Physical sign information monitoring equipment based on earphone interface communication

Abstract

The invention discloses a physical sign information monitoring device based on earphone interface communication, and the device comprises a circuit box which is provided with a first earphone jack; the earphone line comprises a first plug and a second plug which are arranged at the two ends respectively, the first plug is used for being connected with the first earphone jack in an inserted mode, and the second plug is used for being connected with a second earphone jack of the mobile phone terminal; wherein a TRRS four-loop analog circuit is arranged in the circuit box, a piezoresistor Rres, a thermistor Rtem and a capacitor Ct are arranged in the TRRS four-loop analog circuit, the piezoresistor Rres is arranged on a left sound channel loop, the thermistor Rtem is arranged on a right sound channel loop, the capacitor Ct is arranged on a microphone loop, and the piezoresistor Rres and the thermistor Rtem are both arranged on the surface of the circuit box. Compared with the prior art, the problems of high equipment cost, high power consumption and poor compatibility of existing health monitoring equipment are solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of wearable devices, and in particular relates to a vital sign information monitoring device based on earphone interface communication. Background Art

[0002] With the popularization of smart health and wearable devices, portable devices have emerged that can detect vital signs such as body temperature, heart rate and respiratory rate.

[0003] Most existing health monitoring devices communicate with mobile phones or other terminal devices through wireless connections (such as Bluetooth and Wi-Fi). For example, wearable devices such as smart bracelets and smart watches transmit measured data wirelessly to smartphones or the cloud for further analysis and display.

[0004] In addition, some medical monitoring devices use dedicated connection methods or interfaces (such as USB interfaces) for data transmission and power supply.

[0005] Health monitoring devices use wireless transmission technology, which requires more complex circuit design, increasing the hardware complexity and manufacturing cost of the device. Wireless communication devices also require additional battery support, making them more complex to use.

[0006] Many health monitoring devices require specific operating systems or wireless connection protocols, which makes them have high compatibility requirements with mobile devices and cannot meet the needs of low-end mobile phone users. Summary of the invention

[0007] The purpose of the present invention is to provide a vital sign information monitoring device based on headphone interface communication to solve the problems of high equipment cost, high power consumption and poor compatibility of existing health monitoring equipment.

[0008] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a vital sign information monitoring device based on earphone interface communication, comprising:

[0009] A circuit box, on which a first earphone jack is arranged;

[0010] An earphone cable, comprising a first plug and a second plug respectively provided at two ends, the first plug being used to be plugged into a first earphone jack, and the second plug being used to be connected to a second earphone jack of a mobile phone terminal;

[0011] The circuit box is provided with a TRRS four-circular analog circuit, in which a varistor R res 、Thermistor R tem and capacitor C t , varistor R res Set on the left channel loop, thermistor R temSet in the right channel loop, capacitor C t Set in the microphone loop, the varistor R res and thermistor R tem They are all arranged on the surface of the circuit box.

[0012] As a further description of the above technical solution:

[0013] A binding piece is arranged on the side wall of the circuit box, and the binding piece is used to bind and fix the circuit box on the surface of the object to be tested.

[0014] As a further description of the above technical solution:

[0015] The binding member is an elastic band, and two ends of the elastic band are respectively fixedly mounted on an opposite side wall of the circuit box.

[0016] As a further description of the above technical solution:

[0017] The binding piece comprises two binding belts symmetrically arranged on both sides of the circuit box, and the free end of one binding belt is detachably connected to the free end of the other binding belt.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0019] 1. In the present invention, when the vital sign information monitoring device monitors the vital sign information through the circuit box, the detection is realized through the different performances of the resistor and the capacitor under different frequency waves, and the varistor R res 、Thermistor R tem The resistance change is measured by a low-cost analog circuit.

[0020] 2. In the present invention, by innovatively utilizing the characteristics of analog circuit elements, a variety of precious vital signs information is obtained using only one I / O interface (headphone interface), and power consumption is low. Since common low-end mobile phones have headphone jacks of uniform specifications, the vital signs information monitoring device can transmit data with the headphone interface of the mobile phone through the headphone cable. The device can measure body temperature, heart rate and respiratory rate through a simple connection with a smart phone, and realize real-time biological signal detection, which is suitable for personal health monitoring, telemedicine, sports health and other fields. The learning cost of using the equipment is low, it is easy to operate, has good compatibility and low cost, and is convenient for widespread use in remote areas or areas with low income levels. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 The present invention is a structural schematic diagram of a vital sign information monitoring device based on headphone interface communication.

[0023] Figure 2 The figure is a schematic diagram of the structure of the circuit box scheme 1 in a vital sign information monitoring device based on headphone interface communication.

[0024] Figure 3 The figure is a schematic diagram of the structure of the circuit box scheme 2 in a vital sign information monitoring device based on headphone interface communication.

[0025] Figure 4 The figure is a schematic diagram of a TRRS four-way analog circuit in a vital sign information monitoring device based on headphone interface communication.

[0026] Legend:

[0027] 1. Circuit box; 11. First headphone jack; 12. Varistor R res ; 13. Thermistor R tem ; 2. Headphone cable; 21. First plug; 22. Second plug; 3. Bundling piece. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example 1

[0031] See also Figure 1-4 The present invention provides a technical solution: a vital sign information monitoring device based on earphone interface communication, comprising:

[0032] A circuit box 1, on which a first earphone jack 11 is provided;

[0033] The earphone cable 2 comprises a first plug 21 and a second plug 22 respectively provided at two ends, the first plug 21 is used to be plugged into the first earphone jack 11, and the second plug 22 is used to be connected to the second earphone jack of the mobile phone terminal;

[0034] The circuit box 1 is provided with a TRRS four-circular analog circuit, in which a varistor R res 12. Thermistor R tem 13 and capacitor C t , varistor R res 12 is set on the left channel loop, left channel 200mv, 153Hz, thermistor R tem 13 is set on the right channel loop, right channel 340mv, 10kHz, capacitor C t Set in the microphone loop, the varistor R res 12 and thermistor R tem 13 are all arranged on the surface of the circuit box 1.

[0035] When the vital sign information monitoring device monitors vital sign information through the circuit box 1, detection is achieved through the different performances of resistors and capacitors under different frequency waves, and the varistor R res 12. Thermistor R tem The resistance change of 13 is measured by a low-cost analog circuit.

[0036] By innovatively utilizing the characteristics of analog circuit components, a variety of valuable vital signs information is obtained using only one I / 0 interface (headphone interface) with low power consumption. Since common low-end mobile phones have headphone jacks of uniform specifications, the vital signs information monitoring device can transmit data with the headphone interface of the mobile phone through the headphone cable. The device can measure body temperature, heart rate and respiratory rate through a simple connection with a smartphone, and realize real-time biological signal detection. It is suitable for personal health monitoring, telemedicine, sports health and other fields. The learning cost of using the device is low, it is easy to operate, has good compatibility and low cost, and is easy to use in remote areas or areas with low income levels.

[0037] The side wall of the circuit box 1 is provided with a binding piece 3, which is used to bind and fix the circuit box 1 to the surface of the object to be tested. When the vital sign information monitoring device is used, the circuit box 1 is worn on the chest of the user through the binding piece 3, and the varistor R on the surface of the circuit box 1 res 12. Thermistor R tem 13Fits the user's chest to collect vital signs information.

[0038] Working principle: The physical carrier of the vital sign information monitoring device is a circuit box 1 worn on the user's chest. The circuit box carries an analog circuit composed of resistors and capacitors. res 12. Thermistor R tem 13 is installed on the surface below the circuit box. When the user wears it, the chest and the varistor R res 12. Thermistor R tem 13 to make contact. In this way, heartbeat, breathing and body temperature information are captured. The TRRS four-ring sends sine / cosine waves of different frequencies to the analog circuit, and the intensity of the wave changes after passing through the varistor R res 12. Thermistor R tem The waveform changes after 13, which will be captured by the microphone ring in the TRRS four-ring analog circuit and analyzed by the algorithm, and then the heart rate, breathing rate and body surface temperature are calculated based on this waveform change, realizing the detection and capture of vital signs information including heartbeat, breathing, body temperature, etc.

[0039] Example 2

[0040] This embodiment further provides the following improved technical solutions based on the above embodiment: the binding member 3 is an elastic band, and the two ends of the elastic band are respectively fixedly mounted on opposite side walls of the circuit box 1. The binding member 3 is composed of an elastic band that can be elastically deformed, and when in use, it is wrapped around the chest and abdomen of the user, and the circuit box 1 fits the chest of the user through its own elastic force, thereby ensuring the quality of vital sign information collection.

[0041] Example 3

[0042] This embodiment further provides the following improved technical solutions based on the above embodiment: the binding member 3 includes two binding straps symmetrically arranged on both sides of the circuit box 1, and the free end of one binding strap is detachably connected to the free end of the other binding strap. The binding member 3 can be two binding straps, and the free ends of the two binding straps can be detachably connected by means of Velcro, buttons, etc., so as to improve the convenience of wearing the vital sign information monitoring device.

[0043] The binding belt may also be made of elastic woven belt material to ensure the fit of the circuit box 1 and the quality of information collection.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vital sign information monitoring device based on headphone interface communication, characterized in that: include: A circuit box, on which a first earphone jack is provided; An earphone cable, comprising a first plug and a second plug respectively provided at two ends, wherein the first plug is used to be plugged into the first earphone jack, and the second plug is used to be connected to the second earphone jack of the mobile phone terminal; The circuit box is provided with a TRRS four-circular analog circuit, and a varistor R is provided in the TRRS four-circular analog circuit. res 、Thermistor R tem and capacitor C t , varistor R res Set on the left channel loop, thermistor R tem Set in the right channel loop, capacitor C t Set in the microphone loop, the varistor R res and thermistor R tem They are all arranged on the surface of the circuit box.

2. The vital sign information monitoring device based on headphone interface communication according to claim 1, characterized in that: A binding piece is arranged on the side wall of the circuit box, and the binding piece is used to bind and fix the circuit box to the surface of the object to be tested.

3. The vital sign information monitoring device based on headphone interface communication according to claim 2, characterized in that: The binding member is an elastic band, and two ends of the elastic band are respectively fixedly mounted on an opposite side wall of the circuit box.

4. The vital sign information monitoring device based on headphone interface communication according to claim 2, characterized in that: The binding member comprises two binding belts symmetrically arranged on both sides of the circuit box, and the free end of one of the binding belts is detachably connected to the free end of the other binding belt.

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