CN111354160A - Bathroom falling detection method, alarm notification method, equipment and system - Google Patents
Bathroom falling detection method, alarm notification method, equipment and system Download PDFInfo
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- 230000008569 process Effects 0.000 description 3
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- 238000003287 bathing Methods 0.000 description 2
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0407—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis
- G08B21/043—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis detecting an emergency event, e.g. a fall
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0446—Sensor means for detecting worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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Abstract
The invention relates to the technical field of fall detection, and particularly discloses a bathroom fall detection method, which comprises the following steps: acquiring working state data of a distance detection device, wherein the distance detection device comprises at least two distance detection modules, and each distance detection module can detect the distance between a user in a bathroom and an anti-skid floor mat; processing the working state data to obtain a processing result; and when the processing result is that the distance between the user in the bathroom and the anti-slip ground mat is smaller than a preset threshold value, sending a first alarm signal to gateway equipment, so that the gateway equipment judges whether the user in the bathroom falls down or not according to the first alarm signal. The invention also discloses a bathroom falling alarm notification method, a bathroom falling detection device, wearable falling detection equipment, gateway equipment and a bathroom falling detection system. The bathroom fall detection method provided by the invention has the advantages of high detection accuracy and strong practicability.
Description
Technical Field
The invention relates to the technical field of fall detection, in particular to a bathroom fall detection method, a bathroom fall alarm notification method, a bathroom fall detection device, wearable fall detection equipment comprising the bathroom fall detection device, gateway equipment and a bathroom fall detection system comprising the gateway equipment and the wearable fall detection equipment.
Background
Along with the increase of people's age, the probability that accidents occur during bathing is higher and higher, so in order to guarantee that the old person falls down in a bathroom, a plurality of technologies related to fall detection of the old person appear in recent years. For example, (1) detection device based on infrared sensor, its leading features are through installing infrared detection module in the bathroom, judge whether fall through the infrared form that detects the human body, if fall then take place the warning, this technique because have hot water in the bathroom, cause infrared detection noise great, the rate of accuracy is low, can't use in the bathroom. (2) The falling detection device based on the images is mainly characterized in that a fixed camera is relied on, pictures of human body shapes are collected, the pictures are subjected to posture detection, whether the old man falls or not is judged, if the old man falls, an alarm is given, and the falling detection device is not suitable for falling in a bathroom because the privacy of the man is often involved in the bathroom. (3) Old man's detection equipment that tumbles based on forced induction, its key feature is that the cushion that has embedded pressure sensor on the floor is relied on to dispose, and pressure sensor detects the signal when the people falls, judges whether tumbles, reports to the police that tumbles. The disadvantages of this device: 1) in the implementation of the method, the power needs to be switched on, so that the risk of electric leakage exists; 2) the detection is carried out based on the pressed area, and the falling of a specific position can be only detected; 3) after the area under pressure is adjusted, there is a greater risk of false alarm. (4) The old man falling detection device based on the motion sensor is mainly characterized in that whether the old man falls is predicted by detecting whether the old man moves and combining some post-processing algorithms. The device and the method have low accuracy and are only effective for a small part of old people. (5) Old man detection device that tumbles based on acceleration of motion, its key feature is that the acceleration of motion when detecting the old man and bathing detects whether the old man tumbles, and the problem that this equipment detection tumbles and exists has: a. the falling of a few specific postures can be detected, and the falling condition of different old people cannot be adapted to; b. has requirements on the falling speed, and does not accord with the actual situation of the old.
As can be seen from the above, although the old people fall detection technology exists in the prior art, the current leakage risk and the detection efficiency and accuracy are still low.
Disclosure of Invention
The invention provides a bathroom fall detection method, a bathroom fall alarm notification method, a bathroom fall detection device, wearable fall detection equipment comprising the bathroom fall detection device, gateway equipment and a bathroom fall detection system comprising the gateway equipment and the wearable fall detection equipment, and solves the problems of low detection efficiency and low accuracy in the related technology.
As a first aspect of the present invention, there is provided a bathroom fall detection method, comprising:
acquiring working state data of a distance detection device, wherein the distance detection device comprises at least two distance detection modules, and each distance detection module can detect the distance between a user in a bathroom and an anti-skid floor mat;
processing the working state data to obtain a processing result;
and when the processing result is that the distance between the user in the bathroom and the anti-slip ground mat is smaller than a preset threshold value, sending a first alarm signal to gateway equipment, so that the gateway equipment judges whether the user in the bathroom falls down or not according to the first alarm signal.
Further, the acquiring of the operating state data of the distance detection device includes:
and acquiring the working state data of each distance detection module in unit time at intervals.
Further, the processing the working state data to obtain a processing result includes:
judging whether the working state of each distance detection module in unit time is in an activated state or not according to the working state data;
and if the number of the distance detection modules in the distance detection device, the working state of which is in the activated state, in the unit time is greater than or equal to half of the total number of the distance detection modules in the distance detection device, determining that the distance between the user in the bathroom and the anti-skid floor mat is less than a preset threshold value.
As another aspect of the present invention, there is provided a bathroom fall alarm notification method, including:
judging whether a first alarm signal sent by wearable falling detection equipment is received or not;
if the first alarm signal is received, judging whether an alarm condition is met according to the first alarm signal in the current cache sequence;
if the first alarm signal in the current cache sequence reaches an alarm condition, determining that the wearer of the wearable fall detection device in the current bathroom falls, and sending a second alarm signal to the server, wherein the second alarm signal comprises information informing that the wearer of the wearable fall detection device in the current bathroom falls.
Further, the bathroom fall alarm notification method further comprises the following steps before the step of judging whether the alarm condition is reached according to the current first alarm signal:
and storing the first alarm signal into a buffer sequence.
Further, the determining whether an alarm condition is met according to the first alarm signal in the current cache sequence includes:
judging whether the number of the first alarm signals in the current cache sequence reaches a preset number or not;
if the number of the first alarm signals in the current cache sequence reaches the preset number, judging whether the receiving time interval of every two adjacent first alarm signals in the current cache sequence is greater than a preset time interval;
and if the receiving time interval of every two adjacent first alarm signals in the current cache sequence is greater than the preset time interval, judging that the first alarm signals in the current cache sequence reach an alarm condition.
As another aspect of the present invention, there is provided a bathroom fall detection apparatus, comprising:
the system comprises an acquisition unit, a processing unit and a control unit, wherein the acquisition unit is used for acquiring working state data of a distance detection device, the distance detection device comprises at least two distance detection modules, and each distance detection module can detect the distance between a user in a bathroom and an anti-skid ground mat;
the processing unit is used for processing the working state data to obtain a processing result;
and the sending unit is used for sending a first alarm signal to the gateway equipment when the processing result is that the distance between the user in the bathroom and the anti-slip floor mat is smaller than a preset threshold value, so that the gateway equipment can judge whether the user falls down or not according to the first alarm signal.
As another aspect of the invention, there is provided a wearable fall detection apparatus, comprising: the bathroom fall detection device comprises a distance detection device and the bathroom fall detection device, wherein the distance detection device is in communication connection with the bathroom fall detection device.
As another aspect of the present invention, there is provided a gateway device, comprising a memory and a processor, wherein the memory is in communication connection with the processor, the memory stores computer instructions therein, and the processor executes the computer instructions to execute the bathroom fall alarm notification method.
As another aspect of the present invention, there is provided a bathroom fall detection system, comprising: anti-skidding ground mat, the preceding wearable detection equipment that tumbles, the preceding gateway device and server, the setting of anti-skidding ground mat is in the bathroom, the setting of gateway device is outside the bathroom, wearable detection equipment that tumbles is worn by the user, wearable detection equipment that tumbles with gateway device communication connection, the gateway device with server communication connection, distance detection device among the wearable detection equipment that tumbles can detect the distance of user and anti-skidding ground mat, the gateway device can send alarm information to the server when confirming that the user tumbles.
According to the bathroom fall detection method provided by the embodiment of the invention, when a user falls, no matter what posture the user falls, the main body part of the user is close to the floor of the bathroom, so that whether the user falls can be detected by detecting the distance between the main body part of the user and the floor. The bathroom fall detection method provided by the invention has the advantages of high detection accuracy and strong practicability, and does not need power supply.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a bathroom fall detection method provided by the present invention.
Fig. 2 is a flowchart of a bathroom fall alarm notification method provided by the invention.
Fig. 3 is a flowchart of an embodiment of a bathroom fall alarm notification method provided by the present invention.
Fig. 4 is a schematic structural diagram of an enlarged bathroom fall detection system provided by the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present embodiment, a bathroom fall detection method is provided, and fig. 1 is a flowchart of a bathroom fall detection method according to an embodiment of the present invention, as shown in fig. 1, including:
s110, acquiring working state data of a distance detection device, wherein the distance detection device comprises at least two distance detection modules, and each distance detection module can detect the distance between a user in a bathroom and an anti-skid floor mat;
s120, processing the working state data to obtain a processing result;
and S130, when the processing result is that the distance between the user in the bathroom and the anti-slip ground mat is smaller than a preset threshold value, sending a first alarm signal to the gateway device, so that the gateway device judges whether the user falls down according to the first alarm signal.
According to the bathroom fall detection method provided by the embodiment of the invention, when a user falls, no matter what posture the user falls, the main body part of the user is close to the floor of the bathroom, so that whether the user falls can be detected by detecting the distance between the main body part of the user and the floor. The bathroom fall detection method provided by the invention has the advantages of high detection accuracy and strong practicability, and does not need power supply.
It should be understood that the user is mainly an elderly person, but may of course also be a person with impaired mobility, such as a pregnant woman.
It should be noted that the condition that each distance detection module enters the activated state is that the distance between the distance detection module and the anti-skid floor mat is smaller than a preset starting distance.
In some embodiments, the preset starting distance is 200mm, that is, when the distance between the distance detection module and the anti-slip floor mat is within 0-200 mm, the distance detection module enters an activated state, and when the distance between the distance detection module and the anti-slip floor mat is greater than 200mm, the distance detection module enters a dormant state.
In some embodiments, the distance detection module is a hall sensor, and the anti-slip mat is provided with a magnetic material, so that the hall sensor can detect the distance from the anti-slip mat provided with the magnetic material.
The method can be realized by judging the magnetic induction current of the Hall sensor when the working state of the Hall sensor is judged, if the magnetic induction current of the Hall sensor is lower than a set value, an OFF signal is output, at the moment, the Hall sensor is judged to be in a dormant state, if the magnetic induction current of the Hall sensor is larger than the set value, an ON signal is output, at the moment, the Hall sensor is judged to be in an activated state.
In some embodiments, the distance detection module may be a radio frequency chip, and a coil is disposed in the anti-slip floor mat, and the radio frequency chip induces the coil to generate an induction signal to determine whether the distance detection module enters an activated state.
It should be understood that the distance detection apparatus includes at least two distance detection modules, which can improve the accuracy of detection.
Specifically, the acquiring of the working state data of the distance detection device includes:
and acquiring the working state data of each distance detection module in unit time at intervals.
In some embodiments, the unit time may be 1ms or 1s, and is specifically set as needed.
For example, when the unit time is 1ms, the working state data of each distance detection module within 1ms is acquired, and after the working state data within the current 1ms is acquired, when the working state data of the next distance detection module within 1ms is acquired, a certain time interval is required, for example, the time interval may be 5ms, or another time interval, which is specifically set as required.
Specifically, the processing the working state data to obtain a processing result includes:
judging whether the working state of each distance detection module in unit time is in an activated state or not according to the working state data;
and if the number of the distance detection modules in the distance detection device, the working state of which is in the activated state, in the unit time is greater than or equal to half of the total number of the distance detection modules in the distance detection device, determining that the distance between the user in the bathroom and the anti-skid floor mat is less than a preset threshold value.
It should be noted that, if the unit time is 1ms, and the number of the distance detection modules in the activated state in the 1ms is greater than or equal to half, the time required to obtain the state of the next distance detection module in the 1ms may be appropriately shortened, that is, the frequency of obtaining the distance detection modules is increased, so that the detection efficiency may be improved.
In some embodiments, for example, the distance detection apparatus includes N distance detection modules, where N ≧ 2, it can be determined that the distance between the user and the anti-skid floor mat in the bathroom is less than a preset threshold when the number of distance detection modules in the active state per unit time is greater than or equal to N/2. Here, it can be simply understood that when more than half of the distance detection modules in the wearable fall detection device worn by the user are all in an activated state, it can be determined that the distance between the user and the anti-slip floor mat is smaller than a preset threshold value at this time. The preset threshold value is a safety distance between the user and the anti-slip floor mat, and the safety distance can be set to 1 meter, for example.
As another embodiment of the present invention, there is provided a bathroom fall alarm notification method, as shown in fig. 2, including:
s210, judging whether a first alarm signal sent by the wearable fall detection device is received or not;
s220, if the first alarm signal is received, judging whether an alarm condition is met according to the first alarm signal in the current cache sequence;
and S230, if the first alarm signal in the current cache sequence reaches an alarm condition, determining that the wearer of the wearable fall detection equipment in the current bathroom falls, and sending a second alarm signal to the server, wherein the second alarm signal comprises information for informing the wearer of the wearable fall detection equipment in the current bathroom that the wearer falls.
According to the bathroom fall alarm notification method provided by the embodiment of the invention, when a wearer wearing the fall detection device in a bathroom falls, the wearer can be timely notified to the family outside the bathroom in a mode of sending an alarm signal to the server, and the bathroom fall alarm notification method can help the falling user in time and has the advantages of timely notification and high safety.
Specifically, the bathroom fall alarm notification method further comprises, before the step of determining whether an alarm condition is reached according to the current first alarm signal:
and storing the first alarm signal into a buffer sequence.
Specifically, the determining whether an alarm condition is met according to the first alarm signal in the current cache sequence includes:
judging whether the number of the first alarm signals in the current cache sequence reaches a preset number or not;
if the number of the first alarm signals in the current cache sequence reaches the preset number, judging whether the receiving time interval of every two adjacent first alarm signals in the current cache sequence is greater than a preset time interval;
and if the receiving time interval of every two adjacent first alarm signals in the current cache sequence is greater than the preset time interval, judging that the first alarm signals in the current cache sequence reach an alarm condition.
A bathroom fall alarm notification method provided by an embodiment of the invention is described in detail below with reference to fig. 3.
Firstly, waiting for receiving a first alarm signal; if the first alarm signal is received, judging whether the current first alarm signal is the alarm signal, if not, emptying an alarm cache, waiting for the time T, and continuously executing the step of waiting for receiving the first alarm signal, wherein the alarm cache is a first-in first-out queue for storing the alarm signal together with the alarm time. T is a set parameter, typically taken to be 5 s.
If the signal is an alarm signal, firstly putting the alarm signal into an alarm cache queue, counting the number of first alarm signals in the current cache queue, if the number of the first alarm signals is more than 3, carrying out local alarm and cloud alarm, wherein the local alarm is to directly play a prefabricated alarm sound in a loudspeaker, the cloud alarm service is to transmit the current alarm signal together with the mac address and the alarm time in front to the cloud, and the cloud sends the alarm signal to a related receiver in the form of sending a short message and a WeChat message according to rules. And repeating the steps of emptying the current alarm buffer queue and the like.
As another embodiment of the present invention, there is provided a bathroom fall detection apparatus including:
the system comprises an acquisition unit, a processing unit and a control unit, wherein the acquisition unit is used for acquiring working state data of a distance detection device, the distance detection device comprises at least two distance detection modules, and each distance detection module can detect the distance between a user in a bathroom and an anti-skid ground mat;
the processing unit is used for processing the working state data to obtain a processing result;
and the sending unit is used for sending a first alarm signal to the gateway equipment when the processing result is that the distance between the user in the bathroom and the anti-slip floor mat is smaller than a preset threshold value, so that the gateway equipment can judge whether the user falls down or not according to the first alarm signal.
The bathroom fall detection device provided by the embodiment of the invention can enable the main body part to be closer to the floor of a bathroom no matter what posture the user falls when the user falls, so that whether the user falls can be detected by detecting the distance between the main body part of the user and the floor. The bathroom fall detection device provided by the invention has the advantages of high detection accuracy and strong practicability, and does not need power supply.
As another embodiment of the invention, there is provided a wearable fall detection apparatus, including: the bathroom fall detection device comprises a distance detection device and the bathroom fall detection device, wherein the distance detection device is in communication connection with the bathroom fall detection device.
By adopting the bathroom fall detection device, the wearable fall detection equipment provided by the embodiment of the invention can enable the main body part of the user to be close to the ground of the bathroom no matter what posture the user falls down, so that whether the user falls down can be detected by detecting the distance between the main body part of the user and the floor. The wearable fall detection equipment provided by the invention has the advantages of high detection accuracy and strong practicability, and is convenient to wear.
In order to enable communication with a gateway device, the wearable fall detection device further comprises a communication module, which is in communication connection with the bathroom fall detection apparatus.
Preferably, the communication module can adopt a lora communication technology, and lora has the advantages of low energy consumption, long communication distance, low cost, good stability and the like.
For the work of realizing bathroom fall detection device, wearable fall detection equipment still includes power management module, power management module can provide the power supply for bathroom fall detection device, communication module and distance detection device, can also provide the battery voltage regulation simultaneously. Specifically, the power management module can be implemented by a conventional power module, and is not described herein again.
Preferably, the bathroom fall detection device comprises a single-chip microcomputer.
Preferably, the distance detection device comprises a plurality of hall sensors, and correspondingly, the anti-slip floor mat is provided with a magnetic material.
As another embodiment of the present invention, there is provided a gateway device, which includes a memory and a processor, the memory and the processor are connected in communication, the memory stores computer instructions, and the processor executes the computer instructions to implement the bathroom fall alarm notification method as described above.
As another embodiment of the present invention, there is provided a bathroom fall detection system, as shown in fig. 4, including: the anti-slip floor mat 100, the wearable fall detection device 200, the gateway device 300, and the server 400, wherein the anti-slip floor mat 100 is disposed in a bathroom, the gateway device 300 is disposed outside the bathroom, the wearable fall detection device 200 is worn by a user, the wearable fall detection device 200 is in communication connection with the gateway device 300, the gateway device 300 is in communication connection with the server 400, the distance detection apparatus in the wearable fall detection device 200 can detect the distance between the user and the anti-slip floor mat, and the gateway device 300 can send alarm information to the server 400 when determining that the user falls.
According to the bathroom fall detection system provided by the embodiment of the invention, due to the adoption of the gateway device and the wearable fall detection device, when a user falls, no matter what posture the user falls, the main body part of the user is close to the ground of a bathroom, so that whether the user falls can be detected by detecting the distance between the main body part of the user and the ground. The bathroom fall detection system provided by the invention has the advantages of high detection accuracy and strong practicability.
It should be understood that the server may include a cloud server, and after receiving the alarm signal, the server may notify the family of the wearer of the wearable fall detection device in a short message or a WeChat manner, and may also emit a sound signal through a sound alarm to implement an alarm notification function, and the specific implementation may be selected or set as required, which is not limited herein.
It should be noted that, when the distance detection module in the distance detection device is a hall sensor, the anti-slip floor mat needs to be provided with a magnetic material, so that the detection function of the hall sensor can be realized.
For the specific working process of the bathroom fall detection system in the embodiment of the present invention, reference may be made to the foregoing description, and details are not described here.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A bathroom fall detection method, comprising:
acquiring working state data of a distance detection device, wherein the distance detection device comprises at least two distance detection modules, and each distance detection module can detect the distance between a user in a bathroom and an anti-skid floor mat;
processing the working state data to obtain a processing result;
and when the processing result is that the distance between the user in the bathroom and the anti-slip ground mat is smaller than a preset threshold value, sending a first alarm signal to gateway equipment, so that the gateway equipment judges whether the user in the bathroom falls down or not according to the first alarm signal.
2. The bathroom fall detection method according to claim 1, wherein the acquiring of the operating state data of the distance detection device comprises:
and acquiring the working state data of each distance detection module in unit time at intervals.
3. The bathroom fall detection method according to claim 2, wherein the processing the operating state data to obtain a processing result comprises:
judging whether the working state of each distance detection module in unit time is in an activated state or not according to the working state data;
and if the number of the distance detection modules in the distance detection device, the working state of which is in the activated state, in the unit time is greater than or equal to half of the total number of the distance detection modules in the distance detection device, determining that the distance between the user in the bathroom and the anti-skid floor mat is less than a preset threshold value.
4. A bathroom fall alarm notification method, comprising:
judging whether a first alarm signal sent by wearable falling detection equipment is received or not;
if the first alarm signal is received, judging whether an alarm condition is met according to the first alarm signal in the current cache sequence;
if the first alarm signal in the current cache sequence reaches an alarm condition, determining that the wearer of the wearable fall detection device in the current bathroom falls, and sending a second alarm signal to the server, wherein the second alarm signal comprises information informing that the wearer of the wearable fall detection device in the current bathroom falls.
5. The bathroom fall alarm notification method according to claim 4, further comprising, before the step of determining whether an alarm condition is reached from the current first alarm signal:
and storing the first alarm signal into a buffer sequence.
6. The bathroom fall alarm notification method according to claim 4, wherein the determining whether an alarm condition is reached according to the first alarm signal in the current buffer sequence comprises:
judging whether the number of the first alarm signals in the current cache sequence reaches a preset number or not;
if the number of the first alarm signals in the current cache sequence reaches the preset number, judging whether the receiving time interval of every two adjacent first alarm signals in the current cache sequence is greater than a preset time interval;
and if the receiving time interval of every two adjacent first alarm signals in the current cache sequence is greater than the preset time interval, judging that the first alarm signals in the current cache sequence reach an alarm condition.
7. A bathroom fall detection apparatus, comprising:
the system comprises an acquisition unit, a processing unit and a control unit, wherein the acquisition unit is used for acquiring working state data of a distance detection device, the distance detection device comprises at least two distance detection modules, and each distance detection module can detect the distance between a user in a bathroom and an anti-skid ground mat;
the processing unit is used for processing the working state data to obtain a processing result;
and the sending unit is used for sending a first alarm signal to the gateway equipment when the processing result is that the distance between the user in the bathroom and the anti-slip floor mat is smaller than a preset threshold value, so that the gateway equipment can judge whether the user falls down or not according to the first alarm signal.
8. A wearable fall detection apparatus, comprising: a distance detection means and the bathroom fall detection means of claim 7, said distance detection means and said bathroom fall detection means being communicatively connected.
9. A gateway device, comprising a memory and a processor, the memory and the processor being communicatively connected, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the bathroom fall alarm notification method of any of claims 4 to 6.
10. A bathroom fall detection system, comprising: an anti-slip floor mat, the wearable fall detection apparatus of claim 8, the gateway apparatus of claim 9, and a server, wherein the anti-slip floor mat is disposed in a bathroom, the gateway apparatus is disposed outside the bathroom, the wearable fall detection apparatus is worn by a user, the wearable fall detection apparatus is in communication connection with the gateway apparatus, the gateway apparatus is in communication connection with the server, a distance detection device in the wearable fall detection apparatus can detect a distance between the user and the anti-slip floor mat, and the gateway apparatus can send alarm information to the server when determining that the user falls.
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