WO2018209993A1 - Respiratory frequency monitoring device and system, respirator, and oxygen concentrator - Google Patents

Abstract

A respiratory frequency monitoring device and system, a respirator, and an oxygen concentrator. A respiratory frequency monitoring device (510) comprises: a respiratory monitoring module (110) and a circuit processing module (120). The circuit processing module (120) comprises: a signal preprocessing module (121), a central control module (122), and a power supply module (123). The respiratory monitoring module (110) is used for outputting a respiratory electrical signal according to an airflow generated by inspiration or expiration of a user; the signal preprocessing module (121) is electrically connected to the respiratory monitoring module (110), and used for preprocessing the respiratory electrical signal output by the respiratory monitoring module (110); the central control module (122) is electrically connected to the signal preprocessing module (121), and used for analyzing and calculating the respiratory frequency of the user in a preset time interval according to the respiratory electrical signal preprocessed by the signal preprocessing module (121); the power supply module (123) is electrically connected to the central control module (122), and used for providing electric energy.

Description

Respiratory frequency monitoring device, system, ventilator and oxygen absorbing machine

Cross-reference to related applications

This application is required to be submitted to the Chinese Patent Office on May 19, 2017, the application number is 201710356303.0, the name is “respiratory frequency monitoring device, system, ventilator and oxygen absorbing machine”, and submitted to the Chinese Patent Office on May 19, 2017. The priority of the Chinese Patent Application No. 201710356295.X, entitled "Flow Sensor", the entire contents of which is incorporated herein by reference.

Technical field

The present disclosure relates to the field of sensor technologies, and in particular, to a respiratory frequency monitoring device, a system, a ventilator, and an oxygen absorbing machine.

Background technique

At present, a large number of critically ill patients in hospitals are at risk of suffocation due to the disease itself, especially at night, when patients suffocate, they are often unable to be discovered by family members and medical staff in time, thus missing the best rescue. opportunity.

Even in the intensive care unit, due to personnel and energy and other related factors, the interval between the nurses of the special care patients and the patients is at least 15 minutes. Although the family members are nursing at the bedside, due to lack of professional knowledge, the patients often mistakenly breathe and The heartbeat pause mistakenly thought it was asleep. The ischemic and hypoxic tolerance of the human brain is extremely poor. It will form hypoxic ischemic brain disease in more than 5 minutes. Even if the patient is successfully completed, the brain resuscitation is very difficult, resulting in a lot of brain resuscitation. Patients with respiratory arrest, although successful in cardiopulmonary resuscitation, are disabled by ischemia and hypoxic brain disease, and even become vegetative, not only cause waste of medical resources, but also bring endless suffering to the patients' families.

At present, although there are many ventilator devices or oxygen absorbing devices with monitoring respiratory functions on the market, most of these devices are expensive, and most hospitals have only a small amount of equipment, which cannot meet the needs of patients, and most of these existing devices The structure and operation are complicated, the sensitivity and accuracy are low, and it brings great inconvenience to the use of doctors and/or guardians.

Therefore, there is a lack of a monitoring device, a system, a ventilator and an oxygen absorbing machine which are low in cost, simple in operation, and capable of sensitively and accurately monitoring the respiratory rate of a user.

Summary of the invention

The purpose of the present disclosure is to provide a respiratory frequency monitoring device, a system, a ventilator, and an oxygen absorbing device for solving the defects of the prior art, which are used to solve the problem that the device in the prior art cannot accurately and accurately monitor the respiratory frequency of the user. problem.

The present disclosure provides a respiratory frequency monitoring device, including: a respiratory monitoring module and a circuit processing module, the circuit processing module comprising: a signal preprocessing module, a central control module, and a power supply module;

a respiratory monitoring module for outputting a respiratory electrical signal according to an airflow generated by a user inhaling or exhaling;

The signal pre-processing module is electrically connected to the respiratory monitoring module for pre-processing the respiratory electrical signal output by the respiratory monitoring module;

The central control module is electrically connected to the signal pre-processing module for analyzing and calculating the respiratory frequency of the user in the first preset time interval according to the respiratory electric signal preprocessed by the signal pre-processing module;

The power supply module is electrically connected to the central control module for providing electrical energy.

The present disclosure also provides a respiratory frequency monitoring system, including: the respiratory frequency monitoring device and the terminal device; wherein

The terminal device is connected to the respiratory frequency monitoring device in a wired communication or wireless communication manner for storing and displaying the respiratory frequency monitored by the respiratory frequency monitoring device, and/or transmitting a control command for controlling the respiratory frequency monitoring device.

The present disclosure also provides a respiratory frequency monitoring system, including: the above respiratory frequency monitoring device and a large database service platform; wherein

The large database service platform is connected to the respiratory frequency monitoring device by wired communication or wireless communication, and is configured to receive and store the respiratory frequency analyzed by the respiratory frequency monitoring device, and to receive the respiratory frequency and the breathing in the large database service platform. The frequency is analyzed and compared to obtain user analysis information, and the user analysis information is sent to the respiratory frequency monitoring device.

The present disclosure also provides a ventilator comprising: any one of the above respiratory frequency monitoring device or the two respiratory frequency monitoring systems, and a ventilator body, a gas flow conduit and a mask; wherein the respiratory monitoring module is disposed in the airflow conduit And / or mask;

The circuit processing module is disposed in the main body of the ventilator; or the circuit processing module of the ventilator main body and the respiratory frequency monitoring device is connected through a preset port.

The present disclosure also provides an oxygen absorbing machine, comprising: any one of the above respiratory frequency monitoring device or the two respiratory frequency monitoring systems, and an oxygen absorbing machine body, a gas flow conduit and a mask; wherein the respiratory monitoring module is disposed at In the air flow duct and / or mask;

The circuit processing module is disposed in the main body of the oxygen absorbing machine; or the circuit processing module of the oxygen absorbing machine body and the respiratory frequency monitoring device is connected through a preset port.

The respiratory frequency monitoring device, the system, the ventilator and the oxygen absorbing machine provided by the present disclosure can monitor the airflow generated by the user's inhalation or exhalation through the respiratory monitoring module, and can accurately and accurately monitor the respiratory frequency of the user. In addition, the respiratory frequency monitoring device, the system, the ventilator and the oxygen absorbing device provided by the present disclosure not only have high sensitivity and high accuracy, but also reduce the trouble caused by false alarms, and have the advantages of simple structure and manufacturing process, low cost, and large size. The advantages of scale industrial production.

DRAWINGS

1a is a functional structural block diagram of Embodiment 1 of a respiratory frequency monitoring apparatus provided by the present disclosure;

1b is a functional block diagram of a signal pre-processing module in Embodiment 1 of a respiratory frequency monitoring apparatus provided by the present disclosure;

2a is a schematic perspective structural view of a first example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device according to the present disclosure;

2b is a schematic cross-sectional structural view of a first example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device according to the present disclosure;

2c is a schematic structural view of a second example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device according to the present disclosure;

2d is a schematic structural view of a third example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device according to the present disclosure;

2 e is a schematic structural view of a fourth example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring apparatus provided by the present disclosure;

2f is a schematic structural view of a fifth example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring apparatus provided by the present disclosure;

2g is a schematic structural view of a sixth example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device according to the present disclosure;

2h is a schematic structural view of a seventh example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure;

2 is a schematic structural view of a pneumatic sensor example 8 in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure;

2j is a schematic structural view of a pneumatic sensor example 9 in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure;

2k is a schematic structural view of a pneumatic sensor example 10 in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure;

FIG. 21 is a schematic structural diagram of an eleventh example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring apparatus according to the present disclosure;

2m is a schematic structural view of a pneumatic sensor example 12 in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure;

2n is a schematic structural view of a rebound ring provided by the present disclosure;

2o is a schematic structural view of an example 13 of a pneumatic sensor applying the rebound ring provided by the present disclosure shown in FIG. 2n;

2p is a schematic perspective structural view of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure;

3 is a functional block diagram of a second embodiment of a respiratory frequency monitoring apparatus according to the present disclosure;

4 is a functional block diagram of a third embodiment of a respiratory frequency monitoring apparatus according to the present disclosure;

5 is a functional block diagram of a respiratory frequency monitoring system using the respiratory frequency monitoring device provided by the present disclosure shown in FIG. 4;

6 is a block diagram showing another functional configuration of a respiratory frequency monitoring system using the respiratory frequency monitoring device provided by the present disclosure shown in FIG. 4;

Figure 7 is a schematic structural view of a first embodiment of a ventilator according to the present disclosure;

8 is a schematic structural view of a second embodiment of a ventilator according to the present disclosure;

FIG. 9 is a schematic structural view of Embodiment 1 of an oxygen absorbing machine provided by the present disclosure;

FIG. 10 is a schematic structural view of Embodiment 2 of the oxygen absorbing machine provided by the present disclosure.

detailed description

The disclosure will be described in detail by the following specific embodiments, which are not limited thereto.

FIG. 1a is a functional block diagram of a first embodiment of a respiratory frequency monitoring apparatus according to the present disclosure. As shown in FIG. 1a, the respiratory frequency monitoring device includes: a respiratory monitoring module 110 and a circuit processing module 120. The circuit processing module 120 includes: a signal preprocessing module 121, a central control module 122, and a power supply module 123; wherein, the respiratory monitoring module 110, for outputting a respiratory electric signal according to the airflow generated by the user inhaling or exhaling; the signal pre-processing module 121 is electrically connected to the respiratory monitoring module 110 for pre-processing the respiratory electric signal output by the respiratory monitoring module 110; The control module 122 is electrically connected to the signal pre-processing module 121 for analyzing and calculating the respiratory frequency of the user according to the pre-processed respiratory electric signal of the signal pre-processing module 121. The power supply module 123 is electrically connected to the central control module 122. To provide electrical energy.

Optionally, the respiratory monitoring module comprises: at least one pneumatic sensor for converting a pressure exerted by the user's inhaled or exhaled airflow on the at least one pneumatic sensor into a respiratory electrical signal output.

In an embodiment of the present disclosure, the respiratory monitoring module may include a pneumatic sensor, and may also include a plurality of pneumatic sensors. The respiratory monitoring module includes a pneumatic sensor, which has the advantages of simple structure and easy implementation, and makes the respiratory frequency monitoring device more simple in structure; the respiratory monitoring module includes a plurality of pneumatic sensors, which has the advantages of making the respiratory frequency monitoring device more sensitive and monitoring. The result is more accurate.

In addition, the number of the signal pre-processing modules may be one or multiple, and a person skilled in the art may select according to requirements, which is not limited herein. However, it should be noted that the number of signal pre-processing modules should be the same as the number of pneumatic sensors in the respiratory monitoring module such that the signal pre-processing modules can be electrically coupled to the pneumatic sensors in the respiratory monitoring module in one-to-one correspondence.

Specifically, if the respiratory monitoring module includes a pneumatic sensor, the number of signal pre-processing modules is only one, and the signal pre-processing module is electrically connected to the pneumatic sensor and the central control module respectively; if the respiratory monitoring module includes a plurality of pneumatic sensors The number of the signal pre-processing modules is the same as that of the plurality of pneumatic sensors, and the plurality of signal pre-processing modules are respectively electrically connected to the plurality of pneumatic sensors, and the plurality of signals are pre-connected. The processing module is also electrically connected to the central control module respectively. For example, if the respiratory monitoring module includes two pneumatic sensors, the number of signal preprocessing modules is the same as the number of two pneumatic sensors, and is also two, and the two signals are pre- The input ends of the processing modules are respectively electrically connected to the output ends of the two pneumatic sensors, and the output ends of the two signal pre-processing modules are respectively electrically connected to the different signal input ends of the central control module.

Wherein at least one of the pneumatic sensors is a frictional power type pneumatic sensor and/or a piezoelectric power generation type pneumatic sensor. That is, at least one of the pneumatic sensors may be a pneumatic sensor that is fabricated by using a frictional generator and/or a piezoelectric generator. The person skilled in the art may select according to actual needs, which is not limited herein.

Further, at least one of the pneumatic sensors in the respiratory monitoring module can distinguish between the respiratory electrical signals obtained by the pressure conversion of the airflow generated by the user's inhalation or exhalation. Specifically, the at least one pneumatic sensor is further configured to: convert the pressure of the airflow generated by the user's inhalation on the pneumatic sensor into a positive respiratory electrical signal output; convert the pressure of the airflow generated by the user's exhalation to the pneumatic sensor into Negative respiratory electrical signal output. In this case, the signal pre-processing module is further configured to: preprocess the positive respiratory electrical signal or the negative respiratory electrical signal output by the at least one pneumatic sensor; the central control module is internally provided with a timer and a counter; the central control module Further, when receiving the positive respiratory electric signal after preprocessing by the signal preprocessing module, starting a timer to perform timing; when receiving the negative respiratory electric signal after preprocessing by the signal preprocessing module, stopping timing, obtaining Timing time, and starting the counter to count, get the number of user breaths.

Further, as shown in FIG. 1b, the signal pre-processing module 121 may include: a rectification module 1211, a filtering module 1212, an amplification module 1213, and an analog-to-digital conversion module 1214. The rectifier module 1211 is electrically connected to the pneumatic sensor in the respiratory monitoring module for rectifying the respiratory electrical signal output by the pneumatic sensor; the filtering module 1212 is electrically connected to the rectifier module 1211 for rectifying the respiratory power. The signal is filtered to filter out interference clutter; the amplifying module 1213 is electrically connected to the filtering module 1212 for amplifying the filtered respiratory electric signal; the analog-to-digital conversion module 1214 is electrically connected to the amplifying module 1213, and is used for The simulated respiratory electrical signal output by the amplification module 1213 is converted into a digital respiratory electrical signal, and the converted digital respiratory electrical signal is output to the central control module 122. It should be noted that the above-mentioned modules (ie, the rectification module 1211, the filtering module 1212, the amplification module 1213, and the analog-to-digital conversion module 1214) may be selected according to the needs of those skilled in the art, which is not limited herein. For example, the respiration module 1211 may be omitted without the rectification process of the respiratory electrical signal output by at least one of the respiratory monitoring modules 110.

For ease of understanding, the pneumatic sensors in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure are described in detail below with reference to the first to third embodiments. Among them, Examples 1 to 13 are friction generating type pneumatic sensors.

Example one

2a and 2b are respectively a perspective structural view and a cross-sectional structural view of a first example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure. As shown in Figures 2a and 2b, the pneumatic sensor comprises a housing 211, a diaphragm assembly 212 and an electrode assembly 213. The inside of the outer casing 211 is formed with an accommodating chamber. The side wall of the outer casing 211 is formed with an air inlet 2111. The bottom wall is formed with at least one air outlet 2112, and the air inlet 2111 and the air outlet 2112 are respectively accommodated. The chambers are in communication to form an air flow path, such that a flow generated by a user inhaling or exhaling passes through the air flow path; both ends of the diaphragm assembly 212 are fixedly disposed in the accommodation chamber inside the outer casing 211, and respectively A vibration gap is formed between the electrode assembly 213 and the bottom wall of the outer casing 211, and the diaphragm assembly 212 reciprocates between the electrode assembly 213 and the bottom wall of the outer casing 211 under the driving of the airflow inside the housing chamber; the electrode assembly 213 The signal output end of the pneumatic sensor is located in the accommodating chamber inside the outer casing 211, opposite to the diaphragm assembly 212, and the reciprocating vibrating diaphragm assembly 212 rubs against the bottom wall of the electrode assembly 213 and/or the outer casing 211. A respiratory electrical signal is generated and output by the electrode assembly 213.

The diaphragm assembly 212 is a flexible component, and the shape is preferably an elongated shape. The elongated diaphragm assembly 212 is located in the accommodating chamber inside the outer casing 211, and the two ends are fixedly disposed. Specifically, a diaphragm ring 2113, a first washer 2114, and a second washer 2115 are disposed in the accommodating chamber inside the outer casing 211. The diaphragm ring 2113 is annular, and the two ends of the diaphragm assembly 212 are respectively fixedly disposed on the diaphragm ring 2113, and an air flow passage is formed between the side of the diaphragm assembly 212 and the diaphragm ring 2113. The diaphragm assembly 212 on the diaphragm ring 2113 can reciprocally vibrate between the electrode assembly 213 and the bottom wall of the outer casing 211, driven by the airflow inside the chamber. The first washer 2114 is a notched ring between the diaphragm ring 2113 and the electrode assembly 213 to form a vibration gap between the diaphragm assembly 212 and the electrode assembly 213; the second washer 2115 is also a notched ring, located at The diaphragm ring 2113 is spaced between the diaphragm wall 212 and the bottom wall of the outer casing 211 to form a vibration gap between the diaphragm assembly 212 and the bottom wall of the outer casing 211.

Optionally, the pneumatic sensor may further include a friction film assembly disposed on a lower surface of the electrode assembly 213, and a vibration gap is formed between the diaphragm assembly 212 and the bottom wall of the friction film assembly and/or the outer casing 211, respectively. The diaphragm assembly 212 reciprocates between the friction film assembly and the bottom wall of the outer casing 211 under the action of the air flow inside the accommodating chamber to contact the friction film assembly and/or the bottom wall of the outer casing 211 to generate a respiratory electric signal. .

Example two

2c is a schematic structural view of a second example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device according to the present disclosure. As shown in FIG. 2c, the pneumatic sensor includes a shield case 221, an insulating layer 222 disposed on a part or all of the inner surface of the shield case 221, and at least one sensing unit. The shielding shell 221 is provided with at least two vents 2211, and the airflow generated by the user inhaling or exhaling passes between the at least two vents 2211; specifically, the middle and the left and right sides of the shielding shell 221 are respectively opened. A vent 2211, the airflow can enter from one of the vents 2211 and out of the other vent 2211. The sensing unit comprises: at least one fixed layer and one free layer; at least one fixed layer is fixed on the shielding shell 221; the free layer has a fixing portion and a friction portion; the fixing portion of the free layer and at least one fixed layer or The shield case 221 is fixedly coupled; the free layer is rubbed against the at least one fixed layer and/or the shield case 221 by the friction portion. At least one of the fixed layers is a signal output of the pneumatic sensor, or at least one of the fixed layer and the shield 221 is a signal output of the pneumatic sensor.

2c is a schematic structural diagram of a second embodiment of the pneumatic sensor. The sensing unit includes a fixed layer and a free layer 2231. At this time, the intake direction of the airflow is parallel to the plane of the fixed layer in the pneumatic sensor. Specifically, the fixing layer is fixed below the inside of the shield case 221 . The fixed layer is a polymer polymer insulating layer 2233 having an electrode 2232 plated on one side thereof, and the insulating layer 222 is disposed between a surface on which the polymer polymer insulating layer 2233 is plated with the electrode 2232 and the inner surface of the shield case 221. The fixing portion of the free layer 2231 is fixedly connected to the polymer insulating layer 2233 through the spacer 2234, and the side surface of the free layer 2231 through which the electrode is not plated by the friction portion and the polymer insulating layer 2233 and/or the shield case 221 is not provided. One side surface of the insulating layer is rubbed, and the electrode 2232 and the shield case 221 are signal output ends of the pneumatic sensor.

Example three

2d is a schematic structural view of a third example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure. As shown in FIG. 2d, the pneumatic sensor includes a housing 231, and a first polymer film 233, a support structure 234, and an electrode 232 which are sequentially disposed inside the housing 231. The support structure 234 is disposed outside the electrode 232 , and the first polymer film 233 is sleeved on the outside of the electrode 232 and the support structure 234 . The housing 231 has a hollow structure, and is internally provided with an electrode 232 and a first polymer film 233. The central axes of the casing 231, the electrodes 232, and the first polymer film 233 are located on the same straight line, and the surfaces of the three are separated from each other. In terms of material, the housing 231 may be a metal outer casing or a non-metallic insulating outer casing. Structurally, the housing 231 further includes a first end face 2311 and a second end face 2312 that are oppositely disposed. The first end surface 2311 is provided with at least one air inlet hole for supplying airflow, and the second end surface 2312 is provided with at least one air outlet for supplying airflow. Specifically, at least one of the first end surface 2311 and the second end surface 2312 may be integrally disposed on the housing 231 to better protect the internal structure of the pneumatic sensor; or the first end surface 2311 and the second end surface At least one of the end faces of the 2312 may also be detachably disposed on the housing 231 to facilitate replacement, disassembly, and the like of the housing 231 by the user.

The electrode 232 is disposed inside the casing 231 and disposed along the central axis of the casing 231. The surface thereof may be provided as a metal electrode layer or as a non-metal electrode layer. The inside of the electrode 232 may be a solid structure or a hollow structure. Preferably, the inside of the electrode 232 is a hollow structure so as to form an air flow passage between the electrode 232 and the first polymer film 233, and/or an air flow passage is formed inside the electrode 232, and at the same time, the electrode 232 of the hollow structure is more weighty. Small, so that the whole of the pneumatic sensor is more light; more preferably, the electrode 232 is further provided with a through hole communicating with the inside and the outside to increase the airflow in the air flow passage and improve the friction effect. The first polymer film 233 is a tubular film that is sleeved outside the electrode 232, and the shape of the first polymer film 233 matches the shape of the electrode 232. The first polymer film 233 is further provided with at least one diaphragm. When the airflow enters the air inlet hole, the airflow drives the diaphragm to vibrate through the airflow channel. Each of the diaphragms has a fixed end integrally connected to the first polymer film 233 and a free end that can rub against the electrode 232 under the action of the air flow. Wherein, the fixed end of each diaphragm is disposed on a side close to the air inlet hole, and the free end of each diaphragm is disposed on a side close to the air outlet hole, and the arrangement is used to ensure that when the airflow is blown from the air inlet hole At this time, the airflow is blown in from the direction of the fixed end of each diaphragm, so that a good friction effect can be achieved (the inventors found in the experiment that when the airflow is blown from the direction of the fixed end of the diaphragm, the vibration-starting effect of the free end of the diaphragm And the friction effect is better). Also, the electrode 232 serves as a signal output terminal of the pneumatic sensor.

Specifically, in order to prevent the middle portion of the first polymer film 233 from contacting the electrode 232 and being inseparable from each other, the electrode 232 and the first polymer film 233 are further provided with at least one support structure 234, and the support structure 234 is used for A gap is formed between the electrode 232 and the first polymer film 233, and the free end of the diaphragm on the first polymer film 233 is brought into contact with the electrode 232. Wherein, the thickness of the support structure 234 is preferably between 0.01 and 2.0 mm. In the case where no airflow flows in, the diaphragm on the first polymer film 233 and the surface of the electrode 232 are not rubbed, and no induced charge is generated; when the airflow flows in from the air inlet hole on the first end face 2311, the airflow is generated. The eddy current causes the free end of the diaphragm to vibrate, and the free end of the vibration generates contact with the surface of the electrode 232 at a corresponding frequency, that is, the diaphragm and the surface of the electrode 232 are rubbed, thereby generating an induced charge on the electrode 232. Wherein, the electrode 232 serves as a signal output end of the pneumatic sensor, and the electrode 232 is provided with a wire connected to the electrode, and the induced charge on the surface of the electrode 232 is output as an induced electrical signal through the wire. Wherein, the electrode 232 can form a current loop together with the grounding point in the external circuit, thereby realizing the electrical signal output in a single electrode manner.

It can be seen that the pneumatic sensor provided by the present disclosure has a simple manufacturing process and low manufacturing cost. Moreover, the pneumatic sensor provided by the present disclosure fully utilizes the inertia action of the free end of the diaphragm by means of further providing a diaphragm on the first polymer film, thereby increasing the friction effect of the friction power generation and improving the signal sensitivity.

Example four

2e is a schematic structural view of a fourth example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure. As shown in FIG. 2e, the pneumatic sensor comprises: a first electrode ring 241, an annular friction assembly and a second electrode ring 243 which are sequentially disposed along the same central axis, wherein the annular friction assembly in the present example comprises: a first polymer a polymer insulating ring 242; wherein two surfaces of the first electrode ring 241 opposite to the first polymer insulating ring 242 and/or two of the first polymer insulating ring 242 and the second electrode ring 243 The surface constitutes a frictional interface.

In the present example, the first electrode ring 241, the first polymer insulating ring 242, and the second electrode ring 243 are laminated to form a tubular structure for forming the fluid passage 244. When the fluid passes through the fluid passage 244, the two surfaces of the first electrode ring 241 opposite to the first polymer polymer insulating ring 242 and/or the first polymer polymer insulating ring 242 and the first electrode ring 241 are applied by the fluid. The opposite surfaces of the two electrode rings 243 are in contact with each other and induce electric charges at the first electrode ring 241 and the second electrode ring 243, and the first electrode ring 241 and/or the second electrode ring 243 are electrical signal outputs of the pneumatic sensor. end.

The following briefly describes the working principle of the pneumatic sensor: when the fluid passes through the fluid passage 244, the fluid acts on the pneumatic sensor, so that the first electrode ring 241 and the first polymer polymer insulating ring 242 are opposite to each other and/or Or the first polymer polymer insulating ring 242 is in contact with the two surfaces opposite to the second electrode ring 243 and induces electric charges at the first electrode ring 241 and the second electrode ring 243, wherein the first electrode ring 241 and The magnitude of the electrical signal outputted at the second electrode ring 243 is approximately linear with the magnitude of the pressure exerted by the fluid on the pneumatic sensor, and the magnitude of the pressure exerted by the fluid on the pneumatic sensor reflects the flow rate of the fluid (the fluid acts on The magnitude of the pressure on the pneumatic sensor is approximately linear with the flow rate of the fluid, that is, the magnitude of the electrical signal output at the first electrode ring 241 and the second electrode ring 243 is approximately linear with the flow rate of the fluid. That is, the larger the flow rate of the fluid, the greater the pressure acting on the pneumatic sensor, so that the output is at the first electrode ring 241 and the second electrode ring 243. The greater the electrical signal.

Example five

In order to enhance the contact friction effect between the two surfaces constituting the friction interface, the pneumatic sensor may further include: at least one gasket disposed between the two surfaces constituting the friction interface, and the two surfaces are not in contact with the gasket A contact separation space is formed between the portions. However, the gasket provided does not affect the contact friction between the two surfaces constituting the friction interface, and therefore, the surface area of the gasket provided is smaller than the surface areas of the two surfaces constituting the friction interface, so that the two surfaces constituting the friction interface are not A contact separation space is formed between the portions where the gaskets are in contact, and the surface area of the gasket can be set as needed by a person skilled in the art, which is not limited herein. For ease of understanding, the structure and working principle of a pneumatic sensor including a washer are described in detail below by way of example five:

2f is a schematic structural view of a fifth example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring apparatus provided by the present disclosure. As shown in FIG. 2f, the pneumatic sensor includes: a first electrode ring 241, a first polymer insulating ring 242, a first gasket 245 and a second electrode ring 243 which are sequentially disposed along the same central axis; wherein, the first The gasket 245 is disposed between the first polymer insulating ring 242 and the second electrode ring 243 such that the first polymer insulating ring 242 is opposite to the second electrode ring 243 and is not in contact with the first gasket 245. A contact separation space is formed between the portions of the two surfaces.

The pneumatic sensor in the example shown in Figure 2f can be implemented in two embodiments:

In an embodiment of the present example, the first polymer insulating ring 242 is disposed on the surface of the first electrode ring 241. At this time, the first polymer insulating ring 242 and the second electrode ring 243 are opposite to each other. The surfaces form a friction interface. When the fluid passes through the fluid passage 244, the portion of the first high molecular polymer insulating ring 242 that is not in contact with the first gasket 245 and the portion of the second electrode ring 243 that is not in contact with the first gasket 245 are in contact with each other, and are first Charge is induced at the electrode ring 241 and the second electrode ring 243, and the first electrode ring 241 and/or the second electrode ring 243 are electrical signal output terminals of the pneumatic sensor.

In another embodiment of the present example, the two surfaces of the first electrode ring 241 opposite to the first polymer insulating ring 242 and the two opposite of the first polymer insulating ring 242 and the second electrode ring 243 The surface constitutes a frictional interface. When the fluid passes through the fluid passage 244, the portion of the first polymer-polymer insulating ring 242 that is not in contact with the first gasket 245 and the portion of the second electrode ring 243 that is not in contact with the first gasket 245 are in contact friction, and the first electrode The ring 241 is in frictional contact with the first polymer polymer insulating ring 242, and induces electric charges at the first electrode ring 241 and the second electrode ring 243, and the first electrode ring 241 and/or the second electrode ring 243 are pneumatic sensors. Electrical signal output.

In a preferred embodiment of the present disclosure, the first gasket may be disposed between the first electrode ring and the first polymer polymer insulating ring such that the first electrode ring is opposite to the first polymer polymer insulating ring and both A contact separation space is formed between portions of the two surfaces that are not in contact with the first gasket. The specific implementation and working principle are similar to the example shown in FIG. 2f, and details are not described herein again.

Example six

2g is a schematic structural view of a sixth example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure. As shown in FIG. 2g, the pneumatic sensor illustrated in FIG. 2g is different from the pneumatic sensor illustrated in FIG. 2f in that the pneumatic sensor further includes: a second washer 246; wherein the second washer 246 is disposed at the first Between the electrode ring 241 and the first polymer insulating ring 242, the first electrode ring 241 is opposite to the first polymer insulating ring 242 and is not in contact with the second gasket 246. A contact separation space is formed therebetween.

Specifically, the two surfaces of the first electrode ring 241 opposite to the first polymer polymer insulating ring 242 and the two surfaces of the first polymer polymer insulating ring 242 and the second electrode ring 243 constitute a friction interface. When the fluid passes through the fluid passage 244, the portion of the first polymer-polymer insulating ring 242 that is not in contact with the first gasket 245 and the portion of the second electrode ring 243 that is not in contact with the first gasket 245 are in contact friction, and the first electrode The portion of the ring 241 that is not in contact with the second gasket 246 and the portion of the first polymer polymer insulating ring 242 that is not in contact with the second gasket 246 are in contact friction and are induced at the first electrode ring 241 and the second electrode ring 243. The charge is discharged, and the first electrode ring 241 and/or the second electrode ring 243 are electrical signal output terminals of the pneumatic sensor.

Example seven

2h is a schematic structural view of a seventh example of a pneumatic sensor in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure. As shown in FIG. 2h, the pneumatic sensor comprises: a first electrode ring 251, an annular friction assembly and a second electrode ring 254 which are sequentially disposed along the same central axis; in this example, the annular friction assembly comprises: a first polymer The insulating ring 252 and the second polymer insulating ring 253, the two surfaces of the first electrode ring 251 opposite to the first polymer insulating ring 252 and/or the first polymer insulating ring 252 and the second highest The opposite surfaces of the molecular polymer insulating ring 253 and/or the two surfaces of the second polymer insulating ring 253 opposite the second electrode ring 254 constitute a frictional interface.

In the present example, the first electrode ring 251, the first polymer insulating ring 252, the second polymer insulating ring 253, and the second electrode ring 254 are laminated to form a tubular structure for forming the fluid passage 255. When the fluid passes through the fluid passage 255, the two surfaces of the first electrode ring 251 opposite to the first polymer polymer insulating ring 252 and/or the first polymer polymer insulating ring 252 and the second polymer under the action of the fluid The opposite surfaces of the polymer insulating ring 253 and/or the second polymer insulating ring 253 are in contact with the opposite surfaces of the second electrode ring 254, and are at the first electrode ring 251 and the second electrode ring 254. The charge is induced, and the first electrode ring 251 and/or the second electrode ring 254 are electrical signal output terminals of the pneumatic sensor.

In this example, the working principle of the pneumatic sensor is similar to that of the pneumatic sensor in the example shown in Fig. 2e, and will not be described again here.

Example eight

In order to enhance the contact friction effect between the two surfaces constituting the friction interface, it is also possible to provide a gasket between the two surfaces constituting the friction interface so as to form a contact separation space between the portions where the two surfaces are not in contact with the gasket. For ease of understanding, the structure and working principle of a pneumatic sensor including a gasket are described in detail below through specific example eight:

2i is a schematic structural view of a pneumatic sensor example 8 in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure. As shown in FIG. 2i, the pneumatic sensor includes: a first electrode ring 251, a first polymer insulating ring 252, a first gasket 256, a second polymer insulating ring 253, and a plurality of polymer insulating rings 252, which are sequentially disposed along the same central axis. a second electrode ring 254; wherein the first gasket 256 is disposed between the first polymer insulating ring 252 and the second polymer insulating ring 253, such that the first polymer insulating ring 252 and the second high A contact separation space is formed between portions of the two surfaces of the molecular polymer insulating ring 253 that are opposite to each other and are not in contact with the first gasket 256.

The pneumatic sensor in the example shown in Fig. 2i can be realized by the following four embodiments:

In an embodiment of the present example, the first polymer insulating ring 252 is disposed on the surface of the first electrode ring 251, and the second polymer insulating ring 253 is disposed on the surface of the second electrode ring 254. The two surfaces of the high molecular polymer insulating ring 252 opposite to the second high molecular polymer insulating ring 253 constitute a frictional interface. When the fluid passes through the fluid passage 255, the portion of the first high molecular polymer insulating ring 252 that is not in contact with the first gasket 256 and the portion of the second polymer polymer insulating ring 253 that is not in contact with the first gasket 256 are in contact with each other. Charge is induced at the first electrode ring 251 and the second electrode ring 254, and the first electrode ring 251 and/or the second electrode ring 254 are electrical signal output terminals of the pneumatic sensor.

In another embodiment of the present example, the first polymer insulating ring 252 is disposed on the surface of the first electrode ring 251, and the first polymer insulating ring 252 is opposite to the second polymer insulating ring 253. The two surfaces and the two surfaces of the second polymer insulating ring 253 opposite the second electrode ring 254 constitute a frictional interface. When the fluid passes through the fluid passage 255, the portion of the first high molecular polymer insulating ring 252 that is not in contact with the first gasket 256 and the portion of the second polymer polymer insulating ring 253 that is not in contact with the first gasket 256 are in contact with each other. And the second high molecular polymer insulating ring 253 is in frictional contact with the second electrode ring 254, and induces electric charges at the first electrode ring 251 and the second electrode ring 254, the first electrode ring 251 and/or the second electrode ring 254. It is the electrical signal output of the pneumatic sensor.

In still another embodiment of the present example, the second polymer insulating ring 253 is disposed on the surface of the second electrode ring 254, and the first electrode ring 251 is opposite to the first polymer insulating ring 252. The two surfaces opposite to the first polymer polymer insulating ring 252 and the second polymer polymer insulating ring 253 constitute a friction interface. When the fluid passes through the fluid passage 255, the portion of the first high molecular polymer insulating ring 252 that is not in contact with the first gasket 256 and the portion of the second polymer polymer insulating ring 253 that is not in contact with the first gasket 256 are in contact with each other. And the first electrode ring 251 is in contact with the first polymer polymer insulating ring 252, and induces electric charges at the first electrode ring 251 and the second electrode ring 254, the first electrode ring 251 and/or the second electrode ring 254. It is the electrical signal output of the pneumatic sensor.

In still another embodiment of the present embodiment, the two surfaces of the first electrode ring 251 opposite to the first polymer polymer insulating ring 252 and the first polymer polymer insulating ring 252 and the second polymer polymer insulating ring 253 The opposite surfaces and the two surfaces of the second polymer insulating ring 253 opposite the second electrode ring 254 constitute a frictional interface. When the fluid passes through the fluid passage 255, the portion of the first high molecular polymer insulating ring 252 that is not in contact with the first gasket 256 and the portion of the second polymer polymer insulating ring 253 that is not in contact with the first gasket 256 are in contact with each other. And the first electrode ring 251 is in contact with the first polymer polymer insulating ring 252, and the second polymer insulating ring 253 is in contact with the second electrode ring 254, and is in the first electrode ring 251 and the second electrode ring. The charge is induced at 254, and the first electrode ring 251 and/or the second electrode ring 254 are electrical signal outputs of the pneumatic sensor.

In a preferred embodiment of the present example, the first gasket may be disposed between the first electrode ring and the first polymer polymer insulating ring; or, disposed in the second polymer polymer insulating ring and the second electrode ring between. The specific implementation and working principle are similar to the example shown in FIG. 2i, and details are not described herein again.

In another preferred embodiment of the present disclosure, the pneumatic sensor may further include: a first gasket and a second gasket, wherein the first gasket is disposed on the first polymer insulating ring and the second polymer insulating ring Between the first electrode ring and the first polymer insulating ring, or the first gasket is disposed between the first polymer insulating ring and the second polymer insulating ring a second gasket disposed between the second polymer insulated ring and the second electrode ring; or, the first gasket is disposed between the first electrode ring and the first polymer insulating ring, and the second gasket is disposed at Between the second high molecular polymer insulating ring and the second electrode ring. The specific implementation and working principle are similar to the example shown in FIG. 2i, and details are not described herein again.

Example nine

2j is a schematic structural view of a pneumatic sensor example 9 in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure. As shown in FIG. 2j, the pneumatic sensor illustrated in FIG. 2j is different from the pneumatic sensor illustrated in FIG. 2i in that the pneumatic sensor further includes: a second washer 257 and a third washer 258; wherein the second washer 257 is disposed between the first electrode ring 251 and the first polymer insulating ring 252 such that the first electrode ring 251 is opposite to the first polymer insulating ring 252 and is not in contact with the second gasket 257 A contact separation space is formed between the portions of the surfaces; the third gasket 258 is disposed between the second polymer insulating ring 253 and the second electrode ring 254 such that the second polymer insulating ring 253 and the second electrode ring A contact separation space is formed between the portions of 254 that are opposite to each other and which are not in contact with both surfaces of the third gasket 258.

Specifically, the two surfaces of the first polymer polymer insulating ring 252 opposite to the second polymer polymer insulating ring 253 and the two surfaces of the first electrode ring 251 opposite to the first polymer polymer insulating ring 252 and The two surfaces of the two high molecular polymer insulating rings 253 opposite to the second electrode ring 254 constitute a frictional interface. When the fluid passes through the fluid passage 255, the portion of the first high molecular polymer insulating ring 252 that is not in contact with the first gasket 256 and the portion of the second polymer polymer insulating ring 253 that is not in contact with the first gasket 256 are in contact with each other. And a portion where the first electrode ring 251 is not in contact with the second gasket 257 and a portion where the first polymer polymer insulating ring 252 is not in contact with the second gasket 257, and the second polymer insulating ring 253 is not The portion in contact with the third gasket 258 and the portion of the second electrode ring 254 not in contact with the third gasket 258 are in contact friction, and induce electric charges at the first electrode ring 251 and the second electrode ring 254, the first electrode ring 251 and/or second electrode ring 254 is the electrical signal output of the pneumatic sensor.

In a preferred embodiment of the present disclosure, the annular friction assembly further includes: an intermediate film ring, the intermediate film ring is located between the first polymer insulating ring and the second polymer insulating ring; the first electrode ring and the first The opposite surfaces of a high molecular polymer insulating ring and/or the two surfaces of the first polymer polymer edge ring and the intermediate film ring and/or the intermediate film ring and the second polymer polymer edge ring The two surfaces of the surface and/or the second polymeric insulating ring opposite the second electrode ring constitute a friction interface, and the first electrode ring and/or the second electrode ring are electrical signal output ends of the pneumatic sensor.

Example ten

2k is a schematic structural view of an example 10 of the pneumatic sensor in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure. As shown in FIG. 2k, the pneumatic sensor comprises: a first electrode ring 261, an annular friction assembly and a second electrode ring 265 which are sequentially disposed along the same central axis; in this example, the annular friction assembly comprises: a first polymer The insulating ring 262, the intermediate film ring 263, the second polymer insulating ring 264, the two surfaces of the first electrode ring 261 opposite to the first polymer insulating ring 262 and/or the first polymer edge ring Two surfaces opposite to the intermediate film ring 263 and/or two surfaces opposite the second polymer polymer edge ring 264 and/or the second polymer polymer insulating ring 264 and the second electrode ring The opposite surfaces of 265 constitute a frictional interface.

In this example, the first electrode ring 261, the first polymer insulating ring 262, the intermediate film ring 263, the second polymer insulating ring 264, and the second electrode ring 265 are stacked to form a tubular structure. A fluid passage 266 is formed. When the fluid passes through the fluid passage 266, the two surfaces of the first electrode ring 261 opposite to the first polymer insulating ring 262 and/or the two surfaces of the first polymer edge ring 262 opposite the intermediate film ring 263 And/or the two surfaces of the intermediate film ring 263 opposite to the second polymer edge ring 264 and/or the second polymer insulating ring 264 are in contact with the two surfaces opposite to the second electrode ring 265, and Charge is induced at the first electrode ring 261 and the second electrode ring 265, and the first electrode ring 261 and/or the second electrode ring 265 are electrical signal output terminals of the pneumatic sensor.

In this example, the working principle of the pneumatic sensor is similar to that of the pneumatic sensor in the example shown in Fig. 2e, and will not be described again here.

Example eleven

In order to enhance the contact friction effect between the two surfaces constituting the friction interface, it is also possible to provide a gasket between the two surfaces constituting the friction interface so as to form a contact separation space between the portions where the two surfaces are not in contact with the gasket. For ease of understanding, the structure and working principle of a pneumatic sensor including a gasket are described in detail below by way of Example 11:

FIG. 21 is a schematic structural diagram of an example 11 of the pneumatic sensor in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure. As shown in FIG. 21, the pneumatic sensor includes: a first electrode ring 261, a first polymer insulating ring 262, an intermediate film ring 263, a first gasket 267, and a second polymer polymerization which are sequentially stacked along the same central axis. The insulating ring 264 and the second electrode ring 265; wherein the first gasket 267 is disposed between the intermediate film ring 263 and the second polymer insulating ring 264 such that the intermediate film ring 263 and the second polymer insulating ring A contact separation space is formed between the portions 264 that are opposite to each other and which are not in contact with both surfaces of the first gasket 267.

The pneumatic sensor in the example shown in Fig. 21 can be realized by the following eight embodiments:

In an embodiment of the present example, the first polymer insulating ring 262 is disposed on the surface of the first electrode ring 261, and the second polymer insulating ring 264 is disposed on the surface of the second electrode ring 265. The film loop 263 is disposed on the surface of the first polymer polymer insulating ring 262, and the two surfaces of the intermediate film ring 263 opposite to the second polymer polymer insulating ring 264 constitute a friction interface. When the fluid passes through the fluid passage 266, the portion of the intermediate film ring 263 that is not in contact with the first gasket 267 and the portion of the second polymer insulation ring 264 that is not in contact with the first gasket 267 are in contact friction and are at the first electrode. The charge is induced at the ring 261 and the second electrode ring 265, and the first electrode ring 701 and/or the second electrode ring 265 are electrical signal output terminals of the pneumatic sensor.

In another embodiment of the present example, the first polymer insulating ring 262 is disposed on the surface of the first electrode ring 261, and the intermediate film ring 263 is disposed on the surface of the first polymer insulating ring 262. The two surfaces of the film ring 263 opposite to the second polymer insulating ring 264 and the two surfaces of the second polymer insulating ring 264 opposite to the second electrode ring 265 constitute a frictional interface. When the fluid passes through the fluid passage 266, the portion of the second polymer insulating ring 264 that is not in contact with the first gasket 267 and the portion of the intermediate film ring 263 that is not in contact with the first gasket 267 are in contact with each other, and the second polymer The polymer insulating ring 264 is in frictional contact with the second electrode ring 265 and induces electric charge at the first electrode ring 261 and the second electrode ring 265, and the first electrode ring 261 and/or the second electrode ring 265 are the electric power of the pneumatic sensor. Signal output.

In another embodiment of the present example, the first polymer insulating ring 262 is disposed on the surface of the first electrode ring 261, and the second polymer insulating ring 264 is disposed on the surface of the second electrode ring 265. The two surfaces of the intermediate film ring 263 opposite to the second polymer insulating ring 264 and the two surfaces of the first polymer insulating ring 262 opposite the intermediate film ring 263 constitute a frictional interface. When the fluid passes through the fluid passage 266, the portion of the intermediate film ring 263 that is not in contact with the first gasket 267 and the portion of the second polymer polymer insulation ring 264 that is not in contact with the first gasket 267 are in contact with each other, and the first polymer The polymer insulating ring 262 is in frictional contact with the intermediate film ring 263 and induces electric charge at the first electrode ring 261 and the second electrode ring 265. The first electrode ring 261 and/or the second electrode ring 265 are electrical signals of the pneumatic sensor. Output.

In another embodiment of the present example, the intermediate film ring 263 is disposed on the surface of the first polymer insulating ring 262, and the second polymer insulating ring 264 is disposed on the surface of the second electrode ring 265. The two surfaces of the film ring 263 opposite to the second high molecular polymer insulating ring 264 and the two surfaces of the first electrode ring 261 opposite to the first polymer polymer insulating ring 262 constitute a frictional interface. When the fluid passes through the fluid passage 266, the portion of the intermediate film ring 263 that is not in contact with the first gasket 267 and the portion of the second polymer polymer insulation ring 264 that is not in contact with the first gasket 267 are in contact friction, and the first electrode ring 261 is in contact with the first polymer insulative ring 262 and induces electric charge at the first electrode ring 261 and the second electrode ring 265. The first electrode ring 261 and/or the second electrode ring 265 are pneumatic sensors. Signal output.

In another embodiment of the present example, the first polymer insulating ring 262 is disposed on the surface of the first electrode ring 261, and the first polymer insulating ring 262 is opposite to the surface of the intermediate film ring 263. The two surfaces of the intermediate film ring 263 opposite to the second polymer insulating ring 264 and the two surfaces of the second polymer insulating ring 264 opposite to the second electrode ring 265 constitute a frictional interface. When the fluid passes through the fluid passage 266, the portion of the intermediate film ring 263 that is not in contact with the first gasket 267 and the portion of the second polymer polymer insulation ring 264 that is not in contact with the first gasket 267 are in contact with each other, and the first polymer The polymer insulating ring 262 is in contact with the intermediate film ring 263, and the second polymer insulating ring 264 is in frictional contact with the second electrode ring 265, and induces electric charges at the first electrode ring 261 and the second electrode ring 265. The first electrode ring 261 and/or the second electrode ring 265 are electrical signal outputs of the pneumatic sensor.

In another embodiment of the present example, the two surfaces of the first electrode ring 261 opposite to the first polymer polymer insulating ring 262 and the intermediate film ring 263 are disposed on the surface of the first polymer polymer insulating ring 262. The two surfaces of the intermediate film ring 263 opposite to the second polymer insulating ring 264 and the two surfaces of the second polymer insulating ring 264 opposite to the second electrode ring 265 constitute a frictional interface. When the fluid passes through the fluid passage 266, the portion of the intermediate film ring 263 that is not in contact with the first gasket 267 is in contact with the portion of the second polymer polymer insulation ring 264 that is not in contact with the first gasket 267, and the first electrode ring 261 is in contact with the first polymer polymer insulating ring 262, and the second polymer insulating ring 264 is in frictional contact with the second electrode ring 265, and induces electric charges at the first electrode ring 261 and the second electrode ring 265. The first electrode ring 261 and/or the second electrode ring 265 are electrical signal output terminals of the pneumatic sensor.

In still another embodiment of the present embodiment, the second polymer insulating ring 264 is disposed on the surface of the second electrode ring 265, and the first electrode ring 261 is opposite to the first polymer insulating ring 262. The two surfaces opposite the first polymer polymer edge ring 262 and the intermediate film ring 263 and the two surfaces of the intermediate film ring 263 opposite the second polymer polymer edge ring 264 constitute a frictional interface. When the fluid passes through the fluid passage 266, the portion of the second polymer insulating ring 264 that is not in contact with the first gasket 267 and the portion of the intermediate film ring 263 that is not in contact with the first gasket 267 are in contact with each other, and the first polymer The polymer edge ring 262 is in frictional contact with the intermediate film ring 263, and the first polymer polymer insulating ring 262 is in frictional contact with the first electrode ring 261, and induces electric charges at the first electrode ring 261 and the second electrode ring 265. The first electrode ring 261 and/or the second electrode ring 265 are electrical signal outputs of the pneumatic sensor.

In still another embodiment of the present embodiment, the two surfaces of the first electrode ring 261 opposite to the first polymer insulating ring 262 and the two surfaces of the first polymer edge ring 262 opposite the intermediate film ring 263 The two surfaces opposite the intermediate polymer film ring 263 and the second polymer polymer edge ring 264 and the two surfaces of the second polymer polymer insulating ring 264 opposite to the second electrode ring 265 constitute a frictional interface. When the fluid passes through the fluid passage 266, the portion of the intermediate film ring 263 that is not in contact with the first gasket 267 and the portion of the second polymer polymer insulation ring 264 that is not in contact with the first gasket 267 are in contact friction, and the first electrode ring 261 is in contact with the first polymer polymer insulating ring 262, and the first polymer polymer edge ring 262 is in contact with the intermediate film ring 263, and the second polymer polymer insulating ring 264 is in contact with the second electrode ring 265. And electric charge is induced at the first electrode ring 261 and the second electrode ring 265, and the first electrode ring 261 and/or the second electrode ring 265 are electrical signal output ends of the pneumatic sensor.

In a preferred embodiment of the present disclosure, the first gasket may be disposed between the first electrode ring and the first polymer insulating ring; or, disposed between the first polymer insulating ring and the intermediate film ring Or alternatively, disposed between the second polymer insulating ring and the second electrode ring. The specific implementation and working principle are similar to the example shown in FIG. 21, and details are not described herein again.

In another preferred embodiment of the present disclosure, the pneumatic sensor may further include: a first gasket and a second gasket, wherein the first gasket is disposed between the intermediate film ring and the second polymer insulating ring, The second gasket is disposed between the second polymer insulating ring and the second electrode ring; or the first gasket is disposed between the intermediate film ring and the second polymer insulating ring, and the second gasket is disposed at the first electrode Between the ring and the first polymer insulating ring; or, the first gasket is disposed between the intermediate film ring and the second polymer insulating ring, and the second gasket is disposed between the first polymer insulating ring and the intermediate Between the film loops; or, the first gasket is disposed between the second polymer polymer insulation ring and the second electrode ring, and the second gasket is disposed between the first polymer polymer insulation ring and the intermediate film ring; or a first gasket is disposed between the second polymer polymer insulation ring and the second electrode ring, and the second gasket is disposed between the first electrode ring and the first polymer polymer insulation ring; or, the first gasket is disposed A second gasket is disposed between the first polymer ring and the intermediate polymer ring between the first polymer ring and the intermediate polymer ring. The specific implementation and working principle are similar to the example shown in FIG. 21, and details are not described herein again.

In another preferred embodiment of the present disclosure, the pneumatic sensor may further include: a first gasket, a second gasket, and a third gasket, wherein the first gasket is disposed on the second polymer insulation ring and the second electrode ring Between the second gasket is disposed between the intermediate film ring and the second polymer insulating ring, and the third gasket is disposed between the first polymer insulating ring and the intermediate film ring; or the first gasket is disposed at Between the second polymer polymer insulating ring and the second electrode ring, the second gasket is disposed between the intermediate film ring and the second polymer polymer insulating ring, and the third gasket is disposed on the first electrode ring and the first polymer Between the polymer insulating rings; or, the first gasket is disposed between the second polymer insulating ring and the second electrode ring, and the second gasket is disposed between the first polymer insulating ring and the intermediate film ring, The third gasket is disposed between the first electrode ring and the first polymer polymer insulating ring; or the first gasket is disposed between the intermediate film ring and the second polymer polymer insulating ring, and the second gasket is disposed at the first Insulating ring between the polymer molecules and the film intervening ring, third gasket ring disposed between the first electrode and the first polymer insulating ring. The specific implementation and working principle are similar to the example shown in FIG. 21, and details are not described herein again.

Example twelve

2m is a schematic structural view of an example 12 of the pneumatic sensor in the first embodiment of the respiratory frequency monitoring device provided by the present disclosure. As shown in FIG. 2m, the pneumatic sensor illustrated in FIG. 2m is different from the pneumatic sensor illustrated in FIG. 21 in that the pneumatic sensor further includes: a second washer 268, a third washer 269, and a fourth washer 2610; The second gasket 268 is disposed between the first electrode ring 261 and the first polymer insulating ring 262 such that the first electrode ring 261 is opposite to the first polymer polymer insulating ring 262 and is not connected to the second gasket. A contact separation space is formed between the portions where the two surfaces are in contact with each other; the third gasket 269 is disposed between the first polymer insulating ring 262 and the intermediate film ring 263 such that the first polymer insulating ring 262 and A contact separation space is formed between the portions of the intermediate film ring 263 which are opposite to each other and which are not in contact with the two surfaces of the third gasket 269; the fourth gasket 2610 is disposed between the second polymer insulating ring 264 and the second electrode ring 265 A contact separation space is formed between the portions of the second polymer insulating ring 264 opposite to the second electrode ring 265 and which are not in contact with both surfaces of the fourth gasket 2610.

Specifically, the two surfaces of the first electrode ring 261 opposite to the first polymer insulating ring 262 and the two surfaces of the first polymer edge ring 262 opposite to the intermediate film ring 263 and the second polymer The two surfaces of the edge ring 264 opposite the intermediate film ring 263 and the two surfaces of the second polymer insulating ring 264 opposite the second electrode ring 265 constitute a frictional interface. When the fluid passes through the fluid passage 266, the portion of the second polymer insulating ring 264 that is not in contact with the first gasket 267 and the portion of the intermediate film ring 263 that is not in contact with the first gasket 267 are in contact friction, and the first electrode ring The portion 261 that is not in contact with the second gasket 268 and the portion of the first polymer polymer insulating ring 262 that is not in contact with the second gasket 268 are in contact friction, and the first polymer polymer insulating ring 262 is not in contact with the third gasket 269. The contact portion and the portion of the intermediate film ring 263 that is not in contact with the third gasket 269 are in contact friction, and the portion of the second polymer insulating ring 264 that is not in contact with the fourth gasket 2610 and the second electrode ring 265 are not The portion of the fourth gasket 2610 that contacts the contact friction and induces a charge at the first electrode ring 261 and the second electrode ring 265, and the first electrode ring 261 and/or the second electrode ring 265 are the electrical signal output terminals of the pneumatic sensor. .

In a preferred embodiment of the present disclosure, the annular friction assembly further includes: an intermediate electrode ring, the intermediate electrode ring is located between the first polymer polymer insulating ring and the second polymer polymer insulating ring; the first electrode ring and the first electrode ring Two opposite surfaces of a high molecular polymer insulating ring and/or two surfaces of the first polymer polymer edge ring opposite to the intervening electrode ring and/or two opposite of the second polymer polymer edge ring The surfaces of the surface and/or the second polymer polymer insulating ring opposite to the second electrode ring constitute a friction interface which is induced at the first electrode ring, the intervening electrode ring and the second electrode ring as the fluid passes through the fluid channel The charge is discharged, the first electrode ring and/or the intervening electrode ring and/or the second electrode ring being the electrical signal output of the pneumatic sensor.

It should be understood that this example replaces the intervening film ring in the example shown in Figures 2k to 2m with an intervening electrode ring, except at the first electrode ring, the intervening electrode ring, and the second electrode ring as the fluid passes through the fluid channel. The difference between the first electrode ring and/or the intermediate electrode ring and/or the second electrode ring is the electrical signal output end of the pneumatic sensor, the specific embodiment and working principle are shown in FIG. 2k to FIG. 2m. The example shown is similar and will not be described here.

The first electrode ring and the second electrode ring of the pneumatic sensor in the above examples 4 to 12 can be respectively led out through the first lead and the second lead (not shown), and this arrangement is helpful for subsequent generation of the pneumatic sensor. The electrical signal is processed. Of course, those skilled in the art may not use the lead wire, which is not limited herein.

In a preferred example of the present disclosure, the pneumatic sensor includes: a first electrode ring, an annular friction assembly, and a second electrode ring that are sequentially stacked along the same central axis; in this example, the annular friction assembly includes: a first polymer a polymer insulating ring, an intervening electrode ring, a second polymer insulating ring; a surface of the first electrode ring opposite to the first polymer polymer insulating ring and/or a first polymer polymer edge ring and an intermediate electrode The two surfaces opposite the ring and/or the two surfaces of the intermediate electrode ring opposite to the second polymer edge ring and/or the two surfaces of the second polymer polymer insulating ring and the second electrode ring constitute a friction interface When the fluid passes through the fluid channel, the charge is induced at the first electrode ring, the intervening electrode ring and the second electrode ring, and the first electrode ring and/or the intervening electrode ring and/or the second electrode ring are electrical signals of the pneumatic sensor Output.

It should be understood that the pneumatic sensor in this preferred example replaces the intermediate film ring in the example shown in Figure 2k with an intervening electrode ring, except at the first electrode ring, the intervening electrode ring, and the second electrode ring as the fluid passes through the fluid channel. The difference between the first electrode ring and/or the intervening electrode ring and/or the second electrode ring being the electrical signal output end of the pneumatic sensor is the difference between the specific embodiment and the working principle and the example shown in FIG. 2k. Similar, no more details here.

In the preferred embodiment, the first electrode ring, the second electrode ring, and the intermediate electrode ring of the pneumatic sensor may be led out through the first lead, the second lead, and the third lead (not shown), respectively, which facilitates The electrical signals generated by the pneumatic sensor are processed in the following. Of course, those skilled in the art may not use the lead wires, which is not limited herein.

In the above-described Example 4 to Example 12, in order to further increase the effect of the friction power generation, a micro-nano structure (not shown) is provided on at least one of the two opposite surfaces constituting the friction interface, thereby making the first More charge is induced on the electrode ring and/or the intervening electrode ring and/or the second electrode ring.

The first electrode ring and/or the annular friction component and/or the second electrode ring in the above examples 4 to 12 include a rebound ring having a rebound effect, wherein the rebound ring includes: a fixing ring and is disposed on the fixing ring Rebound net.

Specifically, in order to enhance the effect of the triboelectric power generation, the first electrode ring and/or the first polymer polymer insulating ring and/or the intermediate film ring and/or the intervening electrode ring and/or the second in the above-described Examples 4 to 12 The high molecular polymer insulating ring and/or the second electrode ring may be a rebound ring having a rebound effect, wherein the rebound ring 270 includes: a fixing ring 271 and a rebound net 272 disposed on the fixing ring, as shown in FIG. 2n Shown.

In the above examples 4 to 12, the first electrode ring is a first electrode rebound ring having a rebound effect, wherein the material of the rebound net of the first electrode rebound ring is the same as the material of the first electrode ring.

In the above-described Example 4 to Example 12, the second electrode ring is a second electrode rebound ring having a rebound effect, wherein the material of the rebound net of the second electrode rebound ring is the same as the material of the second electrode ring.

In the above examples 4 to 12, the first polymer insulating ring is a first polymer rebound ring having a rebound effect, wherein the material of the rebound network of the first polymer rebound ring It is the same material as the first polymer polymer insulating ring.

In the above examples 4 to 12, the second polymer polymer insulating ring is a second polymer rebound ring, wherein the material of the rebound network of the second polymer rebound ring and the second polymer The material of the polymer insulation ring is the same.

In the above examples 4 to 12, the intermediate film ring is a high molecular polymer rebound ring, wherein the material of the rebound net of the intermediate film rebound ring is the same as the material of the intermediate film ring.

Preferably, the intermediate electrode ring is an electrode rebound ring, wherein the material of the rebound mesh of the electrode rebound ring is the same as the material of the intermediate electrode ring.

In the example of the present disclosure, the rebound effect of the rebound net is not only related to the material of the rebound net but also to the mesh structure of the rebound net itself, and the mesh structure itself has a certain elasticity, and in addition, the mesh structure Densification also affects the rebound effect.

Wherein, the electrode assembly of the pneumatic sensor of Example 1, the electrode of the pneumatic sensor of Example 2 and Example 3, the material of the first electrode ring, the second electrode ring and the intermediate electrode ring of the pneumatic sensor of Example 4 to Example 13 may be selected from indium. Tin oxide, graphene, silver nanowire film, metal or alloy. The metal is gold, silver, platinum, palladium, aluminum, nickel, copper, titanium, chromium, tin, iron, manganese, molybdenum, tungsten or vanadium; the alloy is aluminum alloy, titanium alloy, magnesium alloy, niobium alloy, copper alloy, Zinc alloy, manganese alloy, nickel alloy, lead alloy, tin alloy, cadmium alloy, niobium alloy, indium alloy, gallium alloy, tungsten alloy, molybdenum alloy, niobium alloy or niobium alloy. The materials of the first electrode ring, the second electrode ring, and the intervening electrode ring may be the same or different.

Wherein, the materials of the first polymer polymer insulating ring, the second polymer polymer insulating ring and the intermediate film ring in each of the above examples are respectively selected from the group consisting of a polydimethylsiloxane film, a polyimide film, and a polyvinylidene fluoride. Vinyl film, aniline formaldehyde resin film, polyoxymethylene film, ethyl cellulose film, polyamide film, melamine formaldehyde film, polyethylene glycol succinate film, cellulose film, cellulose acetate film, polyhexan Acid glycol film, poly(diallyl phthalate film), fiber sponge film, polyurethane elastomer film, styrene propylene copolymer film, styrene butadiene copolymer film, rayon film, polymethyl Film, methacrylate film, polyvinyl alcohol film, polyester film, polyisobutylene film, polyurethane flexible sponge film, polyethylene terephthalate film, polyvinyl butyral film, formaldehyde phenol film, chlorine Butadiene rubber film, butadiene propylene copolymer film, natural rubber film, polyacrylonitrile film, acrylonitrile vinyl chloride film and polyethylene propylene glycol carbonate film Species. The materials of the first polymer polymer insulating ring, the second polymer polymer insulating ring and the intermediate film ring may be the same or different. In the present example, the first polymer polymer insulating ring and the second polymer are preferably polymerized. The material of the insulating ring and the intermediate film ring are different to enhance the friction effect.

Example thirteen

2o is a schematic structural view of an example 13 of a pneumatic sensor applying the rebound ring provided by the present disclosure shown in FIG. 2n. As shown in FIG. 2o, the pneumatic sensor includes: a first electrode ring 281, a first polymer rebound ring 282, and a second electrode ring 283 which are sequentially disposed along the same central axis; wherein, the first electrode ring 281 and The opposite surfaces of the first polymer rebound ring 282 and/or the two surfaces of the first polymer rebound ring 282 opposite the second electrode ring 283 constitute a frictional interface. In the present example, the first electrode ring 281, the first polymer rebound ring 282, and the second electrode ring 283 are stacked to form a tubular structure for forming the fluid passage 284. When the fluid passes through the fluid passage 284, the first polymer rebound ring 282 is frictionally rubbed with the first electrode ring 281 and/or the second electrode ring 283, respectively, and is in the first electrode ring 281 and the second electrode ring. The charge is induced at 283, and the first electrode ring 281 and/or the second electrode ring 283 are electrical signal output terminals of the pneumatic sensor.

In this example, the working principle of the pneumatic sensor is similar to that of the pneumatic sensor in the example shown in Fig. 2e, and will not be described again here.

By analogy, the specific structure of other pneumatic sensors using a rebound ring will not be described here. In the above example four to the thirteenth, in order to better protect the pneumatic sensor and reduce the external interference to the pneumatic sensor, for example, the influence of external factors such as electromagnetic interference and moisture on the normal operation of the pneumatic sensor, the pneumatic sensor may further include A shield assembly and a package assembly for sequentially covering the first electrode ring, the annular friction assembly, and the second electrode ring and exposing the fluid passage from the inside to the outside. That is to say, the shielding component and the packaging component are covered along the annular body structure formed by the first electrode ring, the annular friction component and the second electrode ring, and during the coating process, the fluid for passage is exposed. The fluid passage 291, as shown in Fig. 2p, thereby rubbing the two surfaces constituting the friction interface with each other when the fluid passes through the pneumatic sensor to induce electric charge at the first electrode ring and the second electrode ring.

In order to enhance the vibration of the fluid acting on the pneumatic sensor, the pneumatic sensor may further comprise: at least one vibration component 292, which may be disposed on an inner wall of the pneumatic sensor coated with the package assembly, wherein at least one vibration component acts in the fluid The lower vibration is used to enhance the vibration of the fluid acting on the pneumatic sensor, as shown in Figure 2p.

It should be understood that when the airflow generated by the user's breathing acts on at least one of the pneumatic sensors of Examples 1 to 13 described above, the electrical signals output by the electrodes in Examples 1 to 13 are the respiratory powers mentioned in the present disclosure. signal. Specifically, when the airflow generated by the user's inhalation acts on the pneumatic sensors in the above-described Example 1 to Example 13, the electric signals output from the electrodes in Examples 1 to 13 are the positive respiratory electric signals mentioned in the present disclosure. When the airflow generated by the user's exhalation acts on the pneumatic sensors in the above-described Example 1 to Example 13, the electric signals output from the electrodes in Examples 1 to 13 are the negative respiratory electric signals mentioned in the present disclosure.

FIG. 3 is a functional block diagram of a second embodiment of a respiratory frequency monitoring apparatus according to the present disclosure. As shown in FIG. 3, the respiratory frequency monitoring device of the second embodiment is different from the respiratory frequency monitoring device of the first embodiment in that the circuit processing module 120 includes: a signal preprocessing module 121, a central control module 122, and a power supply module 123. A wireless transceiver module 124 and an interactive function module 125 are also included. The wireless transceiver module 124 is electrically connected to the central control module 122, and is configured to send the calculated respiratory frequency to the preset receiving device by means of wireless communication, so that the doctor and/or the guardian can receive the preset. Viewing on the device, wherein the preset receiving device may be a terminal device and/or a large database service platform; the interactive function module 125 is electrically connected to the central control module 122 for transmitting a user interaction instruction to the central control module 122; wherein, the user interaction The instructions include at least one of the following: an open command, a close command, and a user information initialization command.

Specifically, the on or off command is used to control the opening or closing of the central control module 122 to control the opening or closing of the monitoring process; the user information initialization command is used to clear the monitored respiratory frequency or establish a new one. Respiratory frequency monitoring data, for example, respiratory monitoring time, respiratory monitoring frequency, user related information. In addition, the identification function of the user may be preset through the interactive function module 125 to facilitate continuous monitoring of the same user. For other descriptions, refer to the description in Embodiment 1, and details are not described herein again.

FIG. 4 is a functional block diagram of a third embodiment of a respiratory frequency monitoring apparatus according to the present disclosure. As shown in FIG. 4, the respiratory frequency monitoring device of the third embodiment is different from the respiratory frequency monitoring device of the second embodiment in that the circuit processing module 120 further includes: a display module 126 and an alarm module 127. The display module 126 is electrically connected to the central control module 122 for displaying the respiratory frequency obtained by the central control module 122. The central control module 122 is further configured to: determine whether the calculated respiratory frequency meets the preset respiratory frequency range, and The alarm control signal is output according to the judgment result; the alarm module 127 is electrically connected to the central control module 122 for performing an alarm prompt according to the alarm control signal output by the central control module 122. Wherein, the preset respiratory frequency range reasonably indicates the range value of the normal respiratory frequency, and the greater or less than the preset respiratory frequency range indicates that the user's breathing abnormality is greater than the preset respiratory frequency range, indicating that the user is short of breath; less than the preset The frequency range indicates that the user is breathing slowly. Specifically, when the central control module 122 determines that the analyzed calculated respiratory frequency does not meet the preset respiratory frequency range, an alarm control signal is issued, and the alarm module 127 performs an alarm prompt according to the alarm control signal to prompt the user to breathe abnormally. For other descriptions, refer to the description in Embodiment 2, and details are not described herein again.

It should be understood that the wireless transceiver module 124, the interactive function module 125, the display module 126, and the alarm module 127 in the second embodiment and the third embodiment may be selected according to the design of a person skilled in the art, which is not limited herein. For example, if there is no need to communicate with the preset receiving device or communicate with the preset receiving device by using a wired connection, the wireless transceiver module 124 can be omitted; if the respiratory frequency monitoring device is not required to be manually controlled, the interactive function can be omitted. Module 125; display module 126 may be omitted if no breathing frequency is required to be displayed; alarm module 127 may be omitted if an alarm function is not required.

The specific working principles of the first embodiment and the third embodiment of the respiratory frequency monitoring device provided by the present disclosure are described in detail below.

In the first case, the respiratory monitoring module includes a pneumatic sensor, and the circuit processing module is provided with a signal preprocessing module electrically connected to the pneumatic sensor.

In the third embodiment, the user can control the power supply module to communicate with the central control module through the interactive function module, so that the central control module starts to work; and the user can also set the respiratory frequency to be monitored through the interactive function module. If the interactive function module is not set in the circuit processing module (as shown in the first embodiment), the operation starts according to the preset breathing frequency.

Step 1: When the user inhales, the pneumatic sensor senses the pressure exerted on the airflow generated by the user's inhalation, and converts the pressure acting thereon into a corresponding positive respiratory electric signal output to correspond to the pneumatic sensor. The signal pre-processing module of the electrical connection, the signal pre-processing module pre-processes the positive respiratory electric signal output by the pneumatic sensor; and the central control module receives the positive respiratory electric signal after pre-processing of the signal pre-processing module Start the timer set inside the central control module for timing.

Step 2: When the user exhales, the pneumatic sensor senses the pressure exerted on the airflow generated by the user's exhalation, and converts the pressure acting thereon to a corresponding negative respiratory electric signal output to correspond to the pneumatic sensor. The signal preprocessing module of the electrical connection, the signal preprocessing module preprocesses the negative respiratory electric signal output by the pneumatic sensor; when the central control module receives the negative respiratory electric signal after the preprocessing of the signal preprocessing module, Stop the timer set in the central control module to get the first timing time X1 (that is, the time interval for the user to breathe for the first time), then clear the timer set inside the central control module; at the same time, start the central control module to make The internally set counter is counted to obtain the user's breathing number C1=1.

It should be noted that when the user inhales again, the process of step one will be repeated, and will not be described here; after the process is completed, when the user exhales again, the pneumatic sensor senses the airflow generated by the user's exhalation. a pressure applied thereto, and converting the pressure acting thereon to a corresponding negative respiratory electric signal output to a signal pre-processing module electrically connected to the pneumatic sensor, the signal pre-processing module outputting the pneumatic sensor The negative respiratory electric signal is preprocessed; when receiving the negative respiratory electric signal preprocessed by the signal preprocessing module, the central control module stops the timer set inside the central control module, and obtains the second timing time X2 (ie, The user's second breath interval), then clear the timer set in the central control module; at the same time, the central control module starts the counter of its internal setting to accumulate the count, and the user's breathing number is C2=C1+1=2. Repeat the loop, and so on, and finally get the time interval X1, X2...Xn of the user's breath and the total number of breaths of the user C=Cn=n.

Step 3: The central control module determines whether the positive respiratory electric signal or the negative respiratory electric signal preprocessed by the signal preprocessing module is received again during the second preset time interval, if there is no second preset time interval Receiving the corresponding positive or negative respiratory electric signal output by the pneumatic sensor through the signal pre-processing module, indicating that the user may have a risk of breathing disorder or sudden stop, and the central control module determines the second preset time. When the positive respiratory electric signal or the negative respiratory electric signal output by the signal pre-processing module is not received within the interval, an alarm control signal is output to the alarm module, and the alarm module will give an alarm prompt according to the alarm control signal to inform the doctor and/or Or the guardian and other relevant personnel take the necessary measures, at the same time, the central control module will continue to wait for the forward breathing electrical signal or the negative respiratory electric signal after the pre-processing of the signal pre-processing module, thereby repeating the process of step one or step two. A second preset time interval may be set by a person skilled in the art according to actual needs, which is not limited herein. For example, the second preset time interval may be 1 s.

Step 4: In the process of monitoring the user's breathing by using the respiratory frequency monitoring device, the central control module analyzes and calculates the respiratory frequency of the user in the first preset time interval, and determines whether the calculated respiratory frequency meets the preset respiratory frequency range. If the calculated respiratory rate meets the preset respiratory frequency range, the user's breathing is normal. If it is greater than or less than the preset respiratory frequency range, the user's breathing is abnormal. Specifically, if the calculated breathing is analyzed, If the frequency is greater than the preset respiratory frequency range, the user is short of breath; if the calculated respiratory frequency is less than the preset respiratory frequency range, the user is slow to breathe, and the central control module determines that the calculated respiratory frequency is not When the preset breathing frequency range is met, an alarm control signal is output to the alarm module, and the alarm module will give an alarm prompt according to the alarm control signal to inform the doctor and/or the guardian and other related personnel to take necessary measures, and at the same time, the central control module further Will continue to wait for the signal to be received Forward pre-processing module after breathing electrical or negative electrical breathing, thus repeating the process steps 1 to III. The first preset time interval may be set according to actual needs, and is not limited herein. For example, the first preset time interval may be 1 min, and the preset respiratory frequency range may be 14-16 times/min.

The second case: the respiratory monitoring module includes a plurality of pneumatic sensors, and the circuit processing module also includes a plurality of signal preprocessing modules, the plurality of signal preprocessing modules and the plurality of pneumatic sensors included in the respiratory monitoring module are the same number, and the plurality of The signal pre-processing module is electrically connected to the plurality of pneumatic sensors in one-to-one correspondence, and the plurality of signal pre-processing modules are also electrically connected to the central control module respectively.

In the third embodiment, the user can control the power supply module to communicate with the central control module through the interactive function module, so that the central control module starts to work; and the user can also set the respiratory frequency to be monitored through the interactive function module. If the interactive function module is not set in the circuit processing module (as shown in the first embodiment), the operation starts according to the preset breathing frequency.

Step 1: When the user inhales, a plurality of pneumatic sensors sense the pressure exerted on the airflow generated by the user's inhalation, and convert the pressure acting thereon into a corresponding positive respiratory electric signal output to the same The plurality of signal pre-processing modules are electrically connected to the plurality of signal pre-processing modules, and the plurality of signal pre-processing modules pre-process the positive respiratory electric signals output by the plurality of pneumatic sensors. When the central control module receives the plurality of forward breathing electrical signals, the central control module starts the timer set internally by the first forward breathing electrical signal received by the plurality of forward breathing electrical signals. At the same time, the central control module separately analyzes and calculates the peak values of the plurality of forward respiratory electric signals, and adds the peak values of the plurality of forward respiratory electric signals to obtain an average value to obtain a peak value of the final forward respiratory electric signal. The user's inhalation amplitude is thus calculated from the peak analysis of the resulting final forward respiratory electrical signal. Here, for convenience of description below, the above-described air flow sensor that outputs the first inspiratory flow pressure electric signal is referred to as the air flow sensor A.

Step 2: When the user exhales, a plurality of pneumatic sensors sense the pressure exerted on the airflow generated by the user's exhalation, and convert the pressure acting thereon into a corresponding negative respiratory electric signal output to the plurality of The pneumatic sensors one-to-one correspond to a plurality of signal pre-processing modules electrically connected, and the plurality of signal pre-processing modules pre-process the negative respiratory electric signals output by the plurality of pneumatic sensors.

At this time, the central control module will stop the timer set by its internal set according to the negative respiratory electric signal outputted by the pneumatic sensor A, and obtain the first timing time X1 (that is, the time interval for the user to breathe for the first time), and then the center will be The timer set in the control module is cleared. At the same time, the counter set in the central control module is started to count, and at least one breath number C1=1 is obtained. In addition, the central control module separately analyzes and calculates the plurality of negative respiratory electric signals. The peak value is obtained by adding the peak values of the plurality of negative respiratory electric signals to obtain a peak value of the final negative respiratory electric signal, thereby calculating the user exhalation according to the peak analysis of the obtained final negative respiratory electric signal. Amplitude.

It should be noted that when the user inhales again, the process of step one will be repeated, and will not be described here; after the process is completed, when the user exhales again, multiple pneumatic sensors sense the user's exhalation. a pressure exerted thereon by the airflow, and converting the pressure acting thereon into a corresponding negative respiratory electric signal output to a plurality of signal pre-processing modules electrically connected in one-to-one correspondence with the plurality of pneumatic sensors, the plurality of signals The pre-processing module pre-processes the negative-respiration electric signals output by the plurality of pneumatic sensors; the central control module still stops the timer set in the internal setting according to the negative-direction respiratory electric signal outputted by the pneumatic sensor A, and obtains the second timing time X2. (that is, the time interval for the user to breathe for the second time), then clear the timer set internally by the central control module; at the same time, the central control module starts the counter of its internal setting to accumulate the count, and obtains the number of breaths of the user C2=C1+1 , repeat the loop, and so on, and finally get the user's time interval X1, X2 ... Xn and the total number of breaths of the user C = Cn = n More breathing.

Step 3: The central control module determines whether the positive respiratory electric signal or the negative respiratory electric signal preprocessed by the signal preprocessing module corresponding to the pneumatic sensor A is received again in the second preset time interval, if in the second If the corresponding positive or negative respiratory electric signal output by the pneumatic sensor A through the signal pre-processing module is not received within the preset time interval, the user may have a risk of respiratory or sudden stop, and the central control module will When it is determined that the positive respiratory electric signal or the negative respiratory electric signal output by the signal preprocessing module is not received within the second preset time interval, the alarm control signal is output to the alarm module, and the alarm module will alarm according to the alarm control signal. Prompt to inform the doctor and / or guardian and other relevant personnel to take the necessary measures, at the same time, the central control module will continue to wait for the positive or negative respiratory signals after the pre-processing of the signal pre-processing module, thus repeating the steps The process of one or two steps. A second preset time interval may be set by a person skilled in the art according to actual needs, which is not limited herein. For example, the second preset time interval may be 1 s.

Step 4: In the process of monitoring the user's breathing by using the respiratory frequency monitoring device, the central control module analyzes and calculates the respiratory frequency of the user in the first preset time interval, and determines whether the calculated respiratory frequency meets the preset respiratory frequency range. If the calculated respiratory rate meets the preset respiratory frequency range, the user's breathing is normal. If it is greater than or less than the preset respiratory frequency range, the user's breathing is abnormal. Specifically, if the calculated breathing is analyzed, If the frequency is greater than the preset respiratory frequency range, the user is short of breath; if the calculated respiratory frequency is less than the preset respiratory frequency range, the user is slow to breathe, and the central control module determines that the calculated respiratory frequency is not When the preset breathing frequency range is met, an alarm control signal is output to the alarm module, and the alarm module will give an alarm prompt according to the alarm control signal to inform the doctor and/or the guardian and other related personnel to take necessary measures, and at the same time, the central control module further Will continue to wait for the signal to be pre-arranged The positive respiratory electrical signal or the negative respiratory electrical signal after the module is preprocessed, and the process from step one to step three is repeated. The first preset time interval may be set according to actual needs, and is not limited herein. For example, the first preset time interval may be 1 min, and the preset respiratory frequency range may be 14-16 times/min.

In the embodiment of the present disclosure, a part of the plurality of pneumatic sensors may output an invalid forward breathing electric signal. At this time, the central control module determines whether the positive respiratory electric signals output by the plurality of pneumatic sensors are greater than Or equal to the preset signal threshold. If it is greater than or equal to the preset signal threshold, the corresponding positive respiratory electrical signal is recognized as a valid positive respiratory electrical signal, and the central control module separately analyzes and calculates the plurality of positive respiratory electrical signals. The peak value of the signal, the peak values of the plurality of forward respiratory electric signals are added to obtain an average value, and the peak value of the final forward respiratory electric signal is obtained, thereby calculating the user according to the peak analysis of the obtained final forward respiratory electric signal. Inhalation amplitude. In addition, the central control module can also control the output of the alarm control signal, and the alarm module will give an alarm prompt according to the alarm control signal to inform the doctor and/or the guardian and other related personnel that the pneumatic sensor is faulty and must be repaired or replaced. Similar to the exhalation process, it will not be repeated here.

FIG. 5 is a functional block diagram of a respiratory frequency monitoring system applying the respiratory frequency monitoring device provided by the present disclosure shown in FIG. As shown in FIG. 5, the respiratory frequency monitoring system includes a respiratory frequency monitoring device 510 and a terminal device 520. The respiratory frequency monitoring device 510 is the respiratory frequency monitoring device shown in FIG. 4; the terminal device 520 is connected to the respiratory frequency monitoring device 510 in a wireless communication manner for storing and displaying the respiratory frequency monitoring device 510 for analyzing the calculated breathing. The frequency, and/or control commands for controlling the respiratory rate monitoring device 510 are transmitted.

Specifically, as shown in FIG. 5, the terminal device 520 is connected to the wireless transceiver module 124 in the respiratory frequency monitoring device 510 in a wireless communication manner, and is configured to receive the respiratory frequency calculated by the central control module 122 sent by the wireless transceiver module 124. And/or transmitting control commands for controlling the central control module 122 to the wireless transceiver module 124. Specifically, the control instructions may include an open command for turning on the operation of the central control module 122 and a termination command for terminating the operation of the central control module 122. The terminal device 520 can be a device such as a mobile phone or a computer, and can perform the work of counting the user's breathing by designing a specific application program therein. The person skilled in the art can make a selection according to the needs, which is not limited herein.

6 is a block diagram showing another functional configuration of a respiratory frequency monitoring system to which the respiratory frequency monitoring device provided by the present disclosure shown in FIG. 4 is applied. As shown in FIG. 6, the respiratory frequency monitoring system shown in FIG. 6 differs from the respiratory frequency monitoring system shown in FIG. 5 in that the respiratory frequency monitoring system shown in FIG. 6 further includes a large database service platform 630. The terminal device 520 is further configured to: send the received respiratory frequency to the large database service platform 630; the large database service platform 630 and the terminal device 520 are connected in a wireless communication manner for receiving and storing the breathing sent by the terminal device 520. The frequency, the received respiratory frequency is compared with the respiratory frequency in the large database service platform 630 to obtain user analysis information, and the user analysis information is sent to the terminal device 520 for the doctor and/or the guardian at the terminal device 520. Viewing or referencing allows doctors and/or guardians to gain a deeper understanding of the user's breathing conditions.

In addition, the respiratory frequency monitoring system provided by the present disclosure may also include the terminal device 520, but only the large database service platform 630. Then, the analysis and calculation of the user's respiratory frequency is first completed by the central control module 122 in the respiratory frequency monitoring device 510. Then, the respiratory frequency is sent to the large database service platform 630 through the wireless transceiver module 124 for analysis and comparison, and the user analysis information is obtained. Finally, the user analysis information is sent to the central control module 122 through the wireless transceiver module 124, so that the central control module 122 The control display module 126 displays user analysis information for viewing and reference by a doctor and/or guardian to enable the doctor and/or guardian to gain a deeper understanding of the user's breathing conditions.

It should be understood that the respiratory frequency monitoring system shown in FIG. 5 and FIG. 6 can not only use the respiratory frequency monitoring device of the third embodiment, but also the respiratory frequency monitoring device of the first embodiment or the second embodiment. Choose according to your needs, which is not limited here.

In addition, in all the respiratory frequency monitoring systems described above, the connection manner between the respiratory frequency monitoring device 510 and the terminal device 520 or the large database service platform 630 can be connected not only by way of wireless communication, but also by wired communication. When connected by wired communication, the corresponding wireless communication device can be omitted, for example, the wireless transceiver module 124 in the respiratory frequency monitoring device 510.

FIG. 7 is a schematic structural view of a first embodiment of a ventilator according to the present disclosure. As shown in FIG. 7, the ventilator includes: a respiratory frequency monitoring device, a ventilator body 710, a gas flow conduit 720, and a mask 730; wherein the respiratory monitoring module 110 is disposed in the airflow conduit 720; the circuit processing module (not shown) Out), set in the main body of the ventilator. In the embodiment of the present disclosure, when the respiratory frequency monitoring module adopts the first to the thirteenth pneumatic sensors, the problem that the pneumatic sensor blocks the airflow duct and the airflow cannot pass smoothly should be avoided as much as possible. For this reason, the example 1 to the example ten can be reduced. The volume of the three pneumatic sensors overcomes the above drawbacks.

FIG. 8 is a schematic structural view of a second embodiment of a ventilator according to the present disclosure. As shown in FIG. 8, the ventilator includes: a respiratory frequency monitoring device, a ventilator body 810, a gas flow conduit 820, and a mask 830; wherein the respiratory monitoring module 110 is disposed in the mask 830; the ventilator body and the respiratory frequency monitoring device The circuit processing module (not shown) is connected through a preset port, for example, the central control module in the ventilator body can be connected to the central control in the respiratory frequency monitoring device via a preset port. In the embodiment of the present disclosure, when the respiratory frequency monitoring module adopts the first to the thirteenth pneumatic sensors, the problem that the pneumatic sensor blocks the airflow duct and the airflow cannot pass smoothly should be avoided as much as possible. For this reason, the example 1 to the example ten can be reduced. The volume of the three pneumatic sensors overcomes the above drawbacks.

FIG. 9 is a schematic structural view of Embodiment 1 of the oxygen absorbing machine provided by the present disclosure. As shown in FIG. 9, the oxygen absorbing machine includes: a respiratory frequency monitoring device, an oxygen absorbing body 910, a gas flow conduit 920, and a mask 930; wherein the respiratory monitoring module 110 is disposed in the airflow conduit 920; and the circuit processing module Not shown), disposed in the body of the oxygen absorber. In the embodiment of the present disclosure, when the respiratory frequency monitoring module adopts the first to the thirteenth pneumatic sensors, the problem that the pneumatic sensor blocks the airflow duct and the airflow cannot pass smoothly should be avoided as much as possible. For this reason, the example 1 to the example ten can be reduced. The volume of the three pneumatic sensors overcomes the above drawbacks.

FIG. 10 is a schematic structural view of Embodiment 2 of the oxygen absorbing machine provided by the present disclosure. As shown in FIG. 10, the oxygen absorbing device includes: a respiratory frequency monitoring device, an oxygen absorbing machine body 1010, a gas flow conduit 1020, and a mask 1030; wherein the respiratory monitoring module 110 is disposed in the mask 1030; the oxygen absorbing machine body and the respiratory frequency The circuit processing module (not shown) of the monitoring device is connected through a preset port. For example, the central control module in the body of the oxygen absorber can be connected to the central control in the respiratory frequency monitoring device through a preset port. In the embodiment of the present disclosure, when the respiratory frequency monitoring module adopts the first to the thirteenth pneumatic sensors, the problem that the pneumatic sensor blocks the airflow duct and the airflow cannot pass smoothly should be avoided as much as possible. For this reason, the example 1 to the example ten can be reduced. The volume of the three pneumatic sensors overcomes the above drawbacks.

The present disclosure provides a ventilator comprising: the respiratory frequency monitoring system shown in FIG. 5 or FIG. 6, and a ventilator body, a gas flow conduit, and a mask; wherein the respiratory monitoring module is disposed in the airflow conduit and/or In the mask;

The circuit processing module is disposed in the main body of the ventilator; or the ventilator main body and the circuit processing module of the respiratory frequency monitoring device are connected through a preset port, for example, the central control module and the respiratory frequency in the main body of the ventilator can be preset through the port The central control in the monitoring device is connected.

The present disclosure provides an oxygen absorbing machine, comprising: the respiratory frequency monitoring system shown in FIG. 5 or FIG. 6, and an oxygen absorbing machine body, a gas flow conduit and a mask; wherein the respiratory monitoring module is disposed in the airflow pipeline And / or mask;

The circuit processing module is disposed in the main body of the oxygen absorbing machine; or the main body of the oxygen absorbing machine and the circuit processing module of the respiratory frequency monitoring device are connected through a preset port, for example, the central control module in the main body of the oxygen absorbing machine can be through a preset port Connected to a central control in the respiratory rate monitoring device.

The respiratory frequency monitoring device, the system, the ventilator and the oxygen absorbing machine provided by the present disclosure can monitor the airflow generated by the user's inhalation or exhalation through the respiratory monitoring module, and can accurately and accurately monitor the respiratory frequency of the user. In addition, the respiratory frequency monitoring device, the system, the ventilator and the oxygen absorbing device provided by the present disclosure not only have high sensitivity and high accuracy, but also reduce the trouble caused by false alarms, and have the advantages of simple structure and manufacturing process, low cost, and large size. The advantages of scale industrial production.

The various modules and circuits mentioned in the present disclosure are circuits implemented by hardware. For example, the central control module may include a microcontroller or a micro control chip, the rectifier module may include a rectifier circuit, and the filter module may include a comparison circuit to amplify The module may include an amplification circuit or the like, and the analog to digital conversion module may include an analog to digital converter or the like. Although some of the modules and circuits integrate software, the present disclosure is to protect the hardware circuits of the functions corresponding to the integrated software, not just the software itself.

Those skilled in the art will appreciate that the device structures shown in the figures or embodiments are merely schematic and represent logical structures. The modules displayed as separate components may or may not be physically separate, and the components displayed as modules may or may not be physical modules.

In the end, it is to be noted that the above-mentioned examples are only specific embodiments of the present disclosure, and those skilled in the art can change and modify the present disclosure, if such modifications and variations fall within the scope of the present disclosure and its equivalents. All should be considered as the scope of protection of the present disclosure.

Claims (23)

A respiratory frequency monitoring device, comprising: a respiratory monitoring module and a circuit processing module, the circuit processing module comprising: a signal preprocessing module, a central control module, and a power supply module; wherein The respiratory monitoring module is configured to output a respiratory electrical signal according to an airflow generated by a user inhaling or exhaling; The signal pre-processing module is electrically connected to the respiratory monitoring module for pre-processing the respiratory electrical signal output by the respiratory monitoring module; The central control module is electrically connected to the signal pre-processing module, and configured to analyze and calculate a respiratory frequency of the user in a first preset time interval according to the respiratory electric signal preprocessed by the signal pre-processing module; The power supply module is electrically connected to the central control module for providing electrical energy. The respiratory frequency monitoring device according to claim 1, wherein said respiratory monitoring module comprises: at least one pneumatic sensor for applying a flow generated by a user's inhalation or exhalation to said at least one pneumatic sensor The pressure is converted to a respiratory electrical signal output. The respiratory frequency monitoring device according to claim 1 or 2, wherein the circuit processing module further comprises: a wireless transceiver module and/or an interactive function module; The wireless transceiver module is electrically connected to the central control module, and configured to send the calculated respiratory frequency of the central control module to the preset receiving device by way of wireless communication; The interaction function module is electrically connected to the central control module, and configured to send a user interaction instruction to the central control module; The user interaction instruction includes at least one of the following: an open command, a close command, and a user information initialization command. The respiratory frequency monitoring device according to claim 1 or 2, wherein the circuit processing module further comprises: a display module and/or an alarm module; The display module is electrically connected to the central control module, and configured to display the calculated respiratory frequency by the central control module; The central control module is further configured to: determine whether the respiratory frequency obtained by the analysis and calculation meets a preset respiratory frequency range, and output an alarm control signal according to the determination result; The alarm module is electrically connected to the central control module, and is configured to perform an alarm prompt according to an alarm control signal output by the central control module. The respiratory frequency monitoring device according to claim 2, wherein said at least one pneumatic sensor is further configured to: convert a pressure exerted by a user's inhaled airflow on said at least one pneumatic sensor into a positive respiratory power a signal output; converting a pressure exerted by the user's exhaled airflow on the at least one pneumatic sensor into a negative respiratory electric signal output; The signal pre-processing module is further configured to: pre-process a forward breathing electrical signal or a negative respiratory electrical signal output by the at least one pneumatic sensor; The central control module is internally provided with a timer and a counter; The central control module is further configured to: when receiving the forward breathing electrical signal preprocessed by the signal preprocessing module, start the timer to perform timing; after receiving the preprocessing of the signal preprocessing module When the electric signal is negatively ventilated, the timer is stopped, the time is counted, and the counter is started to count to obtain the number of breaths of the user. The respiratory frequency monitoring device according to claim 5, wherein the central control module is further configured to: determine whether a positive respiratory electrical signal output by the signal preprocessing module is received within a second predetermined time interval Or a negative respiratory electrical signal; if not, an alarm control signal is sent to the alarm module. The respiratory frequency monitoring device according to claim 2, wherein the at least one pneumatic sensor is a frictional power type pneumatic sensor and/or a piezoelectric power generation type pneumatic sensor. The respiratory frequency monitoring device according to claim 7, wherein the at least one pneumatic sensor comprises: a first electrode ring, an annular friction assembly and a second electrode ring which are sequentially disposed along the same central axis; wherein The first electrode ring, the annular friction component and the second electrode ring are stacked to form a tubular structure for forming a fluid passage; A charge is induced at the first electrode ring and the second electrode ring as fluid passes through the fluid channel; The first electrode ring and/or the second electrode ring are electrical signal output ends of the pneumatic sensor. The respiratory frequency monitoring device according to claim 8, wherein said at least one pneumatic sensor comprises: said first electrode ring, said annular friction member and said first member disposed in order from the inside to the outside A two-electrode ring and exposing the shield assembly and package assembly of the fluid channel. The respiratory frequency monitoring device according to claim 9, wherein said at least one pneumatic sensor comprises: at least one vibration component disposed on an inner wall of said pneumatic sensor for enhancing fluid action on said pneumatic sensor Vibration on. The respiratory frequency monitoring device according to claim 8, wherein the annular friction assembly comprises: a first polymer insulated ring, the first electrode ring being opposite to the first polymer insulated ring The two surfaces and/or the two surfaces of the first polymeric insulating ring opposite the second electrode ring constitute a frictional interface. The respiratory frequency monitoring device according to claim 11, wherein the annular friction assembly further comprises: a second polymer insulating ring, wherein the second polymer insulating ring is located in the first polymer Between the polymer insulation ring and the second electrode ring; Two surfaces of the first electrode ring opposite to the first polymer polymer insulating ring and/or two of the first polymer polymer insulating ring and the second polymer polymer insulating ring The surface and/or the two surfaces of the second polymeric insulating ring opposite the second electrode ring constitute a friction interface. The respiratory frequency monitoring device according to claim 12, wherein said annular friction assembly further comprises: an intermediate film ring, said intermediate film ring being located at said first polymeric insulating ring and said second high Between molecular polymer insulation rings; Two surfaces of the first electrode ring opposite to the first polymer polymer insulating ring and/or two surfaces and/or portions of the first polymer polymer edge ring opposite to the intermediate film ring The two surfaces of the intermediate film ring opposite to the second polymer polymer edge ring and/or the two surfaces of the second polymer polymer insulating ring opposite to the second electrode ring constitute a friction interface. The respiratory frequency monitoring device according to claim 12, wherein the annular friction assembly further comprises: an intermediate electrode ring, the intermediate electrode ring being located at the first polymer insulated ring and the second high Between molecular polymer insulation rings; Two surfaces of the first electrode ring opposite to the first polymer polymer insulating ring and/or two surfaces and/or portions of the first polymer polymer edge ring opposite to the intervening electrode ring The two surfaces of the inter-electrode electrode ring opposite to the second polymer polymer edge ring and/or the two surfaces of the second polymer polymer insulation ring opposite to the second electrode ring constitute a friction interface; A charge is induced at the first electrode ring, the intervening electrode ring, and the second electrode ring as fluid passes through the fluid channel; The first electrode ring and/or the intervening electrode ring and/or the second electrode ring are electrical signal outputs of the pneumatic sensor. A respiratory frequency monitoring apparatus according to any one of claims 11 to 14, wherein at least one of the two opposing surfaces constituting the friction interface is provided with a micro/nano structure. The respiratory frequency monitoring device according to any one of claims 8 to 15, wherein the first electrode ring and/or the annular friction component and/or the second electrode ring comprise a rebound ring having a rebound effect, The rebound ring includes: a fixing ring and a rebound net disposed on the fixing ring. The respiratory frequency monitoring device according to any one of claims 8 to 15, wherein the first electrode ring is a first electrode rebound ring having a rebound effect, wherein the first electrode rebound ring The invention comprises: a fixing ring and a rebound net disposed on the fixing ring, the material of the rebound net is the same as the material of the first electrode ring; And/or, the second electrode ring is a second electrode rebound ring having a rebound effect, wherein the second electrode rebound ring comprises: a fixing ring and a rebound net disposed on the fixing ring, The material of the rebound net is the same as the material of the second electrode ring; And/or, the first polymer polymer insulating ring is a first polymer rebound ring having a rebound effect, wherein the first polymer rebound ring comprises: a fixing ring and is disposed at a rebound net on the fixing ring, the material of the rebound net is the same as the material of the first polymer polymer insulating ring; And/or, the second polymer polymer insulating ring is a second polymer rebound ring having a rebound effect, wherein the second polymer rebound ring comprises: a fixing ring and is disposed at a rebound net on the fixing ring, the material of the rebound net is the same as the material of the second polymer polymer insulating ring; And/or the intermediate film ring is a polymer rebound ring, wherein the polymer rebound ring comprises: a fixing ring and a rebound net disposed on the fixing ring, the rebound The material of the mesh is the same as the material of the intermediate film ring; And/or, the intervening electrode ring is an electrode rebound ring, wherein the electrode rebound ring comprises: a fixing ring and a rebound net disposed on the fixing ring, the material of the rebound net and the intervening electrode The material of the ring is the same. A respiratory frequency monitoring apparatus according to any one of claims 11-17, wherein the pneumatic sensor further comprises: at least one washer, wherein the at least one washer is disposed at two opposite sides constituting the friction interface A contact separation space is formed between the surfaces and between the portions where the two opposing surfaces are not in contact with the gasket. A respiratory frequency monitoring system, comprising: the respiratory frequency monitoring device according to any one of claims 1 to 18; and a terminal device; The terminal device is connected to the respiratory frequency monitoring device in a wired communication or wireless communication manner for storing and displaying the respiratory frequency analyzed by the respiratory frequency monitoring device, and/or transmitting for controlling the breathing Control instructions for the frequency monitoring device. The respiratory frequency monitoring system according to claim 19, wherein said respiratory frequency monitoring system further comprises a large database service platform; The terminal device is further configured to: send the received respiratory frequency to the large database service platform; The large database service platform is connected to the terminal device by wired communication or wireless communication, and is configured to receive and store a respiratory frequency sent by the terminal device, and receive the respiratory frequency and the large database service. The respiratory frequency in the platform is analyzed and compared to obtain user analysis information, and the user analysis information is sent to the terminal device. A respiratory frequency monitoring system, comprising: the respiratory frequency monitoring device according to any one of claims 1 to 18; and a large database service platform; The large database service platform is connected to the respiratory frequency monitoring device in a wired communication or wireless communication manner for receiving and storing the respiratory frequency analyzed and calculated by the respiratory frequency monitoring device, and the received respiratory frequency Comparing with the respiratory frequency in the large database service platform, the user analysis information is obtained, and the user analysis information is sent to the respiratory frequency monitoring device. A ventilator, comprising: a respiratory frequency monitoring device according to any one of claims 1 to 18 or a respiratory frequency monitoring system according to any one of claims 19 to 21, and a ventilator body a gas flow conduit and a mask; wherein the respiratory monitoring module is disposed in the airflow conduit and/or the mask; The circuit processing module is disposed in the ventilator body; or the ventilator body and the circuit processing module of the respiratory frequency monitoring device are connected through a preset port. An oxygen absorbing machine, comprising: the respiratory frequency monitoring device according to any one of claims 1 to 18 or the respiratory frequency monitoring system according to any one of claims 19 to 21, and an oxygen absorbing machine a body, a gas flow conduit, and a mask; wherein the respiratory monitoring module is disposed in the airflow conduit and/or the mask; The circuit processing module is disposed in the oxygen absorbing machine body; or the oxygen absorbing machine body and the circuit processing module of the respiratory frequency monitoring device are connected through a preset port.

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