WO2018137250A1 - Detection method, device and terminal for physiological data - Google Patents

Abstract

Disclosed are a detection method, device and terminal for physiological data. This method comprises : S102, sending an NFC signal to an organism object to be detected; S104, receiving an organism feedback signal, wherein the NFC signal forms the organism feedback signal after passing through the organism to be detected; and S106, performing signal processing on the organism feedback signal to obtain the physiological detection results of the organism to be detected. The method, device and terminal solve the problem of equipment for physiological data testing and operation being too complicated in the prior art.

Description

Method, device and terminal for detecting physiological data Technical field

The present invention relates to the field of physiological detection, and in particular to a method, device and terminal for detecting physiological data.

Background technique

Traditional biosensors include pressure sensors, ultrasonic sensors, electromagnetic sensors, and the like. Pressure sensors, such as conventional cuff sphygmomanometers, require a certain amount of pressure on the body tissue to detect physiological characteristics such as blood pressure, but such tests are often uncomfortable. Ultrasonic sensors require specialized instruments and professional operators as well as professional interpreters, which are not available to the general public.

The electromagnetic sensor popular in recent years is a condition that uses electromagnetic field or electromagnetic wave to detect the physiological tissue of the human body. The sensor is non-invasive, compact, easy to carry, and easy to operate, and is the development direction of human tissue detection in the future. However, such sensors are susceptible to human differences and affect the detection results. For example, men and women, winter and summer, sunny days, wrist thickness, etc., can cause great differences in testing, and the requirements for sensors and circuits are also very different.

The above solutions require separate design of dedicated electromagnetic sensors or circuits to measure human tissue by electromagnetic methods, resulting in overly complex physiological data testing equipment and operations.

In response to the above problems, no effective solution has been proposed yet.

Summary of the invention

The embodiment of the invention provides a method, a device and a terminal for detecting physiological data, so as to at least solve the problem that the physiological data testing device and the operation in the related art are too complicated.

According to an aspect of an embodiment of the present invention, a method for detecting physiological data includes: transmitting an NFC signal to a measured biological object; receiving a biological feedback signal, wherein the NFC signal passes through the measured organism to form The biofeedback signal; performing signal processing on the biofeedback signal to obtain a physiological detection result of the measured organism.

In the embodiment of the present invention, the transmitting the NFC signal to the measured biological object includes: receiving the probe request; in response to the probe request, switching the transmit antenna to the target antenna by using the switch; The measured biological object transmits the NFC signal.

In the embodiment of the present invention, the target antenna is an NFC transmitting antenna, and receiving the biofeedback signal includes: receiving the biofeedback signal by using a receiving antenna, where the receiving antenna is one or more.

In the embodiment of the present invention, performing signal processing on the biofeedback signal to obtain a physiological detection result of the measured organism includes: demodulating the biofeedback signal by using a demodulation circuit to obtain a demodulated signal; The demodulated signal is subjected to feature analysis to obtain the physiological detection result.

In the embodiment of the present invention, the NFC signal is a detection signal of a predetermined frequency, and the physiological detection result includes any one or more of the following: a pulse wave signal of the living body, a respiratory signal, and a body tissue motion signal.

According to another aspect of the embodiments of the present invention, there is also provided a physiological data detecting apparatus, comprising: an NFC transmitter for transmitting an NFC signal to a measured biological object; and a biological signal receiver for receiving the NFC signal a biofeedback signal formed by the measured biological object; a processor configured to perform signal processing on the biofeedback signal to obtain a physiological detection result of the measured organism.

In an embodiment of the present invention, the NFC transmitter includes: an NFC signal generator, configured to generate the NFC signal when receiving a probe request; and an NFC transmit antenna connected to the NFC signal generator, The NFC signal is transmitted.

In the embodiment of the present invention, the NFC transmitter further includes: a switch, where the switch is configured to establish a connection between the NFC signal generator and the NFC transmit antenna.

In the embodiment of the present invention, the biosignal receiver includes: a receiving antenna, wherein the receiving antenna is one or more.

In an embodiment of the present invention, the processor includes: a demodulation circuit that demodulates the biofeedback signal to obtain a demodulated signal; and a microprocessor coupled to the demodulation circuit for using the solution The signal is subjected to characteristic analysis to obtain the physiological detection result.

According to another aspect of an embodiment of the present invention, there is also provided a terminal comprising the apparatus for detecting physiological data according to an embodiment of the present invention.

In the embodiment of the present invention, a method is adopted for transmitting an NFC signal to a biological object to be tested, receiving a biological feedback signal formed by the NFC signal passing through the measured biological object, and performing signal processing on the biological feedback signal to obtain a physiological detection result of the measured biological object. Through the intelligent terminal with NFC function, the realization of NFC signal transmission and bio-feedback signal acquisition greatly simplifies the physiological data testing equipment and operation, thereby improving the efficiency of physiological data testing, and thus solving the physiological data testing equipment in related technologies. And the problem is too complicated to operate.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a flow chart of a method of detecting physiological data according to an embodiment of the present invention;

2 is a schematic diagram of detection results of physiological data according to an embodiment of the present invention;

Figure 3 is a schematic illustration of a physiological data detecting apparatus according to a first embodiment of the present invention;

Figure 4 is a schematic illustration of a physiological data detecting apparatus according to a second embodiment of the present invention;

Figure 5 is a schematic diagram of a physiological data detecting apparatus according to a third embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is an embodiment of the invention, but not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of the present invention.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order. It is to be understood that the data so used may be interchanged where appropriate, so that the embodiments of the invention described herein can be implemented in a sequence other than those illustrated or described herein. In addition, the terms "comprises" and "comprises" and "the" and "the" are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device that comprises a series of steps or units is not necessarily limited to Those steps or units may include other steps or units not explicitly listed or inherent to such processes, methods, products or devices.

In accordance with an embodiment of the present invention, an embodiment of a method of detecting physiological data is provided, it being noted that the steps illustrated in the flowchart of the figures may be performed in a computer system such as a set of computer executable instructions, and Although the logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in a different order than the ones described herein.

1 is a flowchart of a method for detecting physiological data according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following steps:

Step S102, transmitting an NFC signal to the biological object to be tested.

Step S104, receiving a biofeedback signal, wherein the NFC signal passes through the measured organism to form a biofeedback signal.

Step S106, performing signal processing on the biofeedback signal to obtain a physiological detection result of the measured organism.

Through the above steps, the physiological data of the living body is tested by the NFC signal, thereby achieving the purpose of simplifying the physiological data testing device and the operating steps, thereby improving the testing efficiency of the physiological data, thereby solving the physiological data testing device and the operation in the related art is too complicated. The problem.

The biological object to be tested may be a human body or other living organisms, for example, animals such as cats, dogs, and rats.

NFC (Near Field Communication) technology is a short-range high-frequency wireless communication technology. It is equipped in many current smart terminals, and can transmit NFC signals to the measured biological objects through smart phones and smart watches. In addition to smart phones and smart watches, NFC signals can also be transmitted to the measured organism through other NFC-enabled devices.

After the NFC signal passes through the measured organism, the principle of forming a biofeedback signal is: the NFC signal will have an electromagnetic action when passing through the measured organism, and the electromagnetic effect includes but is not limited to electromagnetic wave reflection, refraction, diffraction, electric field coupling, magnetic field coupling, Energy loss, or other electromagnetic action principle, after the electromagnetic action, the NFC signal will superimpose the physiological signal of the measured organism, complete the modulation of the biological physiological signal, and obtain the biological feedback signal.

Receiving the biofeedback signal may be using a receiving antenna to receive the biofeedback signal. The receiving antenna may be a single antenna, or multiple antennas, and may be shared with the NFC transmit antenna.

In the embodiment of the present invention, the NFC signal is transmitted to the measured biological object, which may be: receiving a probe request; in response to the probe request, switching the transmit antenna to the target antenna by using a switch, the target antenna may be an NFC transmit antenna; The NFC antenna transmits an NFC signal to the biological object being measured. Through the setting of the switch and the target antenna, the function of detecting the biophysiological signal of the NFC signal can be increased without affecting the function of the NFC of the original smart device, and the function is maximized.

In the embodiment of the present invention, the bio-feedback signal returned by the NFC signal after receiving the NFC signal may be: after the NFC signal is sent to the measured biological object, the NFC signal and the detected biological tissue are electromagnetically activated to realize the biological physiological signal. The modulation forms a biofeedback signal and then receives the biofeedback signal.

In the embodiment of the present invention, the emitted NFC signal is modulated by electromagnetic interaction with the biological object, thereby obtaining a biofeedback signal carrying the physiological information.

In the embodiment of the present invention, the bio-feedback signal is subjected to signal processing, and the physiological detection result of the measured organism includes: demodulating the bio-feedback signal, performing characteristic analysis on the demodulated signal, and obtaining a physiological detection result. By demodulating the biophysiological signal, the physiological signal can be accurately restored, using a specific algorithm. After the analysis, accurate physiological detection results are obtained.

In the embodiment of the present invention, the NFC signal may be a detection signal of a predetermined frequency, and the frequency may be one or more fixed point frequencies, or may be a frequency signal having a fixed bandwidth, both modulated and unmodulated. For example, the NFC signal may be an electric wave having a predetermined frequency of 13.56 MHz. The physiological detection result may be any one or more of the following: a pulse wave signal of the living body, a respiratory signal, and a body tissue motion signal, and the arterial pulse wave signal of the measured organism can be obtained by the detection method of the physiological data of the embodiment of the present invention.

2 is a schematic diagram of the detection result of physiological data according to an embodiment of the present invention. The pulse signal waveform obtained by the wristband type watch is measured by the detection signal of 13.56 MHz, as shown in FIG. 2, and the test result also shows: systolic pressure 95 mmHg, Diastolic blood pressure 65mmHg, heart rate 59BPM, blood flow velocity 4095, pulse wave state is continuous, offline data is 6+0, continuous observation data and so on. The test results show that the physiological data detection method of the embodiment of the present invention can be used and has good results.

The embodiment of the present invention further provides a physiological data detecting device, which can be used to perform the physiological data detecting method according to the embodiment of the present invention, and FIG. 3 is the physiological data according to the first embodiment of the present invention. A schematic diagram of the detecting device, as shown in FIG. 3, the device includes:

An NFC transmitter for transmitting an NFC signal to a biological object to be tested.

The biosignal receiver is configured to receive a biofeedback signal formed by the NFC signal passing through the measured biological object.

The processor is configured to perform signal processing on the biofeedback signal to obtain a physiological detection result of the measured organism.

In this embodiment, an NFC signal is transmitted to the biological object to be tested by the NFC transmitter, and the biological signal receiver receives the biological feedback signal formed by the NFC signal through the biological object to be measured, and the processor performs signal processing on the biological feedback signal to obtain the physiological condition of the measured biological object. Detection results. The physiological data detection is realized by partially multiplexing the mature NFC antenna and circuit of the current intelligent device, thereby achieving the purpose of simplifying the physiological data testing device and the operation steps, thereby improving the physiological data testing efficiency and solving the physiological data in the related technology. Testing equipment and operations are too complicated.

In an embodiment of the invention, the NFC transmitter includes an NFC signal generator for generating an NFC signal upon receiving the probe request, and an NFC transmit antenna coupled to the NFC signal generator for transmitting the NFC signal.

In an embodiment of the invention, the NFC transmitter further includes: a switch for establishing a connection between the NFC signal generator and the NFC transmit antenna in the case of receiving the probe request.

In the embodiment of the present invention, the biosignal receiver may be a receiving antenna, and the receiving antenna may be a single antenna or multiple antennas, or may share an NFC transmitting antenna.

In the embodiment of the present invention, the processor includes: a demodulation circuit that demodulates the biofeedback signal to obtain a demodulated signal; and a microprocessor connected to the demodulation circuit for performing characteristic analysis on the demodulated signal to obtain a physiological Detection results.

4 is a schematic diagram of a physiological data detecting apparatus according to a second embodiment of the present invention. As shown in FIG. 4, the mobile phone CPU 110 controls the NFC signal generator 120 to generate an NFC signal having a frequency of 13.56 MHz, with or without modulation. . The signal of the NFC signal generator 120 is fed into the NFC transmit antenna 130 for transmission. After the transmitted signal passes through the living tissue, the physiological signal of the measured organism is modulated by electromagnetic action, and is received by the receiving antenna 140, and the received signal enters the demodulating circuit 150 to demodulate the biological physiological signal through the mobile phone. The CPU 110 performs further analysis. The demodulation circuit uses a delay signal 160 of the NFC signal generator 120.

In this embodiment, 110/120/130 is the original standard configuration in the mobile phone. With a specific design, 140 and 130 can also be shared, as long as 150/160 is added to the mobile phone to complete the entire physiological detection function.

Fig. 5 is a schematic diagram of a physiological data detecting apparatus according to a third embodiment of the present invention. As shown in Fig. 5, this embodiment has an additional switching switch 132 as compared with the physiological data detecting apparatus of the second embodiment. The physiological data detecting device switches to the antenna 130 when performing normal NFC communication, and switches to the antenna 134 when the biological tissue needs to be detected, and the frequency used for the detection is 13.56 MHz.

The embodiment of the invention further provides a terminal, which comprises the physiological data detecting device of the embodiment of the invention. The terminal can be a smart phone, or a smart watch/bracelet, or other terminal capable of installing physiological data to detect physiological data. The terminal can be used as a terminal for providing test functions, or can be integrated into other commonly used terminals for user convenience.

The serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

In the above-mentioned embodiments of the present invention, the descriptions of the various embodiments are different, and the parts that are not detailed in a certain embodiment can be referred to the related descriptions of other embodiments.

In the several embodiments provided by the present application, it should be understood that the disclosed technical contents may be implemented in other manners. The device embodiments described above are only schematic. For example, the division of the unit may be a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, unit or module, and may be electrical or otherwise.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to On multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, server or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and the like. .

The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It should be considered as the scope of protection of the present invention.

Industrial applicability

In the embodiment of the present invention, a method is adopted for transmitting an NFC signal to a biological object to be tested, receiving a biological feedback signal formed by the NFC signal passing through the measured biological object, and performing signal processing on the biological feedback signal to obtain a physiological detection result of the measured biological object. Through the intelligent terminal with NFC function, the realization of NFC signal transmission and bio-feedback signal acquisition greatly simplifies the physiological data testing equipment and operation, thereby improving the efficiency of physiological data testing, and thus solving the physiological data testing equipment in related technologies. And the problem is too complicated to operate.

Claims (11)

A method for detecting physiological data, comprising: Transmitting an NFC signal to the biological subject to be tested; Receiving a biofeedback signal, wherein the NFC signal passes through the measured organism to form the biofeedback signal; Performing signal processing on the biofeedback signal to obtain a physiological detection result of the measured organism. The detecting method according to claim 1, wherein the transmitting the NFC signal to the biological subject to be tested comprises: Receiving a probe request; Responding to the probe request, using a switch to switch the transmit antenna to the target antenna; Transmitting the NFC signal to the measured biological object through the target antenna. The detecting method according to claim 2, wherein the target antenna is an NFC antenna, and receiving the biofeedback signal comprises: The biofeedback signal is received by a receiving antenna, wherein the receiving antenna is one or more. The detecting method according to claim 1, wherein the signal processing of the biofeedback signal to obtain the physiological detection result of the measured organism comprises: Demodulating the biofeedback signal by a demodulation circuit to obtain a demodulated signal; Performing feature analysis on the demodulated signal to obtain the physiological detection result. The detecting method according to any one of claims 1 to 4, wherein the NFC signal is a sounding signal of a predetermined frequency, and the physiological sounding result includes any one or more of the following: a pulse wave signal of the living body, Respiratory signals, body tissue motion signals. A physiological data detecting device comprising: An NFC transmitter configured to transmit an NFC signal to the biological subject to be tested; a biosignal receiver configured to receive a biofeedback signal formed by the NFC signal passing through the measured biological object; And a processor configured to perform signal processing on the biofeedback signal to obtain a physiological detection result of the measured organism. The detecting device of claim 6, wherein the NFC transmitter comprises: An NFC signal generator configured to generate the NFC signal upon receiving a probe request; An NFC transmit antenna is coupled to the NFC signal generator and configured to transmit the NFC signal. The detecting device of claim 6, wherein the NFC transmitter further comprises: A switch that is configured to establish a connection of the NFC signal generator to the NFC transmit antenna in the event that a probe request is received. The detecting device according to claim 6, wherein the biosignal receiver comprises: a receiving antenna, wherein the receiving antenna is one or more. The detecting device of claim 7, wherein the processor comprises: a demodulation circuit that demodulates the biofeedback signal to obtain a demodulated signal; And a microprocessor connected to the demodulation circuit, configured to perform characteristic analysis on the demodulated signal to obtain the physiological detection result. A terminal comprising: the physiological data detecting device according to any one of claims 6 to 10.

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