Wrist type multi-dimensional biological information intelligent acquisition device

Abstract

The utility model discloses a wrist type multi-dimensional biological information intelligent acquisition device which comprises an outer shell, the outer shell comprises an upper shell and a lower shell, a plurality of electrode units, a body temperature sensor and a PPG pulse sensor are arranged on the surface of the lower shell, a multi-channel information acquisition circuit is arranged in the outer shell, and the multi-channel information acquisition circuit comprises a single-chip microcomputer main control unit. The system comprises a single-chip microcomputer main control unit, a skin impedance acquisition unit, a body temperature acquisition unit and a PPG pulse acquisition unit, the single-chip microcomputer main control unit adopts an STM32F446RET6 chip, and the skin impedance acquisition unit, the body temperature acquisition unit and the PPG pulse acquisition unit are respectively connected with an input channel of the STM32F446RET6 chip. According to the utility model, the STM32F446RET6 chip is utilized to realize multi-channel information acquisition of multi-dimensional biological information, so that the efficiency and the accuracy of multi-dimensional biological information data acquisition can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent devices, and more specifically to a wrist-type multi-dimensional biological information intelligent acquisition device. Background Art

[0002] With the development of technology, intelligent wearable devices have become more and more mature and widely used. At present, existing intelligent wearable devices, especially wrist-type multi-dimensional information intelligent acquisition devices, mainly focus on aspects such as heart rate, sleep, and blood pressure. When collecting multi-dimensional data, how to improve the efficiency and stability of multi-dimensional data collection is an urgent problem to be solved in this field. Summary of the Utility Model

[0003] In view of this, the utility model provides a wrist-type multi-dimensional biological information intelligent acquisition device for realizing the simultaneous acquisition of multi-dimensional biological information.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A wrist-type multi-dimensional biological information intelligent acquisition device includes a housing, the housing includes an upper shell and a lower shell, a plurality of electrode units, a body temperature sensor, and a PPG pulse sensor are arranged on the surface of the lower shell, a multi-channel information acquisition circuit is arranged inside the housing, the multi-channel information acquisition circuit includes a single-chip microcomputer main control unit, a skin impedance acquisition unit, a body temperature acquisition unit, and a PPG pulse acquisition unit. Among them, the single-chip microcomputer main control unit uses an STM32F446RET6 chip, the input end of the skin impedance acquisition unit is connected to the electrode unit, and the output end of the skin impedance acquisition unit is connected to an input channel of the STM32F446RET6 chip; the input end of the body temperature acquisition unit is connected to the body temperature sensor, and the output end of the body temperature acquisition unit is connected to an input channel of the STM32F446RET6 chip; the input end of the PPG pulse acquisition unit is connected to the PPG pulse sensor, and the output end of the PPG pulse acquisition unit is connected to an input channel of the STM32F446RET6 chip.

[0006] Preferably, the skin impedance acquisition unit includes an ADS1292 multi-channel data acquisition module, each electrode unit is connected to an input channel of the ADS1292 multi-channel data acquisition module, and the output end of the ADS1292 multi-channel data acquisition module is connected to an input channel of the STM32F446RET6 chip.

[0007] Preferably, the body temperature sensor uses an NTC thermistor. The body temperature acquisition unit includes a resistor R20 and a capacitor C10. One output pin of the NTC thermistor is connected to one end of the resistor R20, and then they are jointly connected to one end of the capacitor C10 and used as the output end of the body temperature acquisition unit. The other end of the resistor R20 is connected to a 3.3V power supply, and one end of the capacitor C10 is connected to the other output pin of the NTC thermistor.

[0008] Preferably, the PPG pulse sensor uses a YK1801 pulse sensor chip. The PPG pulse acquisition unit includes an HR6707 pulse signal processing chip, an HR6816 gain chip, and an SFB9712-QFN28 algorithm chip. The YK1801 pulse sensor chip is sequentially connected to the HR6707 pulse signal processing chip, the HR6816 gain chip, and the SFB9712-QFN28 algorithm chip. The output end of the SFB9712-QFN28 algorithm chip is connected to an input channel of the STM32F446RET6 chip.

[0009] Preferably, the wrist-mounted multi-dimensional bioinformation intelligent acquisition device further includes a positioning module connected to the STM32F446RET6 chip. The positioning module includes an ATGM336H-5N31 chip.

[0010] Preferably, the wrist-mounted multi-dimensional bioinformation intelligent acquisition device further includes a motion sensor connected to the STM32F446RET6 chip. The motion sensor includes a BMI160 chip six-axis sensor.

[0011] Preferably, the wrist-mounted multi-dimensional bioinformation intelligent acquisition device further includes a cache chip connected to the STM32F446RET6 chip. The cache chip includes a W25Q64JVXGIQ chip.

[0012] Preferably, the wrist-mounted multi-dimensional bioinformation intelligent acquisition device further includes a buzzer. The buzzer is connected to the STM32F446RET6 chip through a 1N4148WS diode.

[0013] Preferably, in the wrist-mounted multi-dimensional bioinformation intelligent acquisition device, straps for fixing to the user's wrist are provided at both ends of the housing. The straps include a first strap and a second strap. A buckle is fixed on the first strap, and the back of the second strap is provided with a non-fuzzy magic tape structure.

[0014] Preferably, in the wrist-mounted multi-dimensional bioinformation intelligent acquisition device, the electrode unit includes an electrode unit made of brass.

[0015] As can be seen from the above technical solutions, compared with the prior art, the present utility model discloses a wrist-type multi-dimensional biological information intelligent acquisition device, which has the following beneficial effects:

[0016] This new type uses the STM32F446RET6 single-chip microcomputer chip to realize multi-channel biological information acquisition, which helps to improve the efficiency and accuracy of multi-dimensional biological information data acquisition.

[0017] The watchband adopted by this new type is fixed by a non-pilling magic tape structure, which improves the convenience during the fixing process of the wrist-type multi-dimensional biological information intelligent acquisition device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure provided by the present utility model.

[0020] Figure 2 It is a schematic diagram of the pins of the single-chip microcomputer main control chip STM32F446RET6 provided by the present utility model.

[0021] Figure 3 It is a schematic diagram of the pins of the skin impedance acquisition unit provided by the present utility model.

[0022] Figure 4 It is a schematic diagram of the circuit connection and pins of the body temperature sensor and the body temperature acquisition unit provided by the present utility model.

[0023] Figure 5 It is a schematic diagram of the pins of the YK1801 pulse sensor chip provided by the present utility model.

[0024] Figure 6 It is a schematic diagram of the pins of the HR6707 pulse signal processing chip provided by the present utility model.

[0025] Figure 7 It is a schematic diagram of the pins of the HR6816 gain chip provided by the present utility model.

[0026] Figure 8 It is a schematic diagram of the pins of the SFB9712-QFN28 algorithm chip provided by the present utility model.

[0027] Figure 9 It is a schematic diagram of the pins of the ATGM336H-5N31 positioning chip provided by the present utility model.

[0028] Figure 10 Schematic diagram of the pins of the motion sensor chip provided by the present utility model.

[0029] Figure 11 Schematic diagram of the pins of the cache chip provided by the present utility model.

[0030] Figure 12 Schematic diagram of the buzzer and its circuit connection provided by the present utility model.

[0031] Figure 13 Schematic diagram of the strap structure provided by the present utility model. Specific embodiments

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0033] An embodiment of the present utility model discloses a wrist-type multi-dimensional biological information intelligent acquisition device, as a whole as Figure 1 shown, including a housing 1, wherein the housing 1 includes an upper housing 101 and a lower housing 102. A plurality of electrode units 2, a body temperature sensor, and a PPG pulse sensor (the body temperature sensor and the PPG pulse sensor are not shown in the overall structure diagram) are provided on the surface of the lower housing 102. A multi-channel information acquisition circuit is provided inside the housing. The multi-channel information acquisition circuit includes a single-chip microcomputer main control unit, as well as a skin impedance acquisition unit, a body temperature acquisition unit, and a PPG pulse acquisition unit. Among them, the single-chip microcomputer main control unit uses an STM32F446RET6 chip. The input end of the skin impedance acquisition unit is connected to the electrode unit, and the output end of the skin impedance acquisition unit is connected to an input channel of the STM32F446RET6 chip; the input end of the body temperature acquisition unit is connected to the body temperature sensor, and the output end of the body temperature acquisition unit is connected to an input channel of the STM32F446RET6 chip; the input end of the PPG pulse acquisition unit is connected to the PPG pulse sensor, and the output end of the PPG pulse acquisition unit is connected to an input channel of the STM32F446RET6 chip.

[0034] The STM32F446RET6, as a high-performance MCU with an ARM Cortex-M4 core, integrates a variety of peripherals and functions, including a multi-channel ADC (Analog-to-Digital Converter). Through its built-in DMA (Direct Memory Access) controller, it can achieve fast and efficient transmission of ADC data, avoiding the direct participation of the CPU, thereby improving the efficiency and accuracy of data acquisition. In this new embodiment, the pin connection diagram of the STM32F446RET6 chip is as Figure 2 shown.

[0035] As Figure 3 shown, the skin impedance acquisition unit uses an ADS1292 multi-channel data acquisition module. Each electrode unit is connected to an input channel of the ADS1292 multi-channel data acquisition module, and the output end of the ADS1292 multi-channel data acquisition module is connected to an input channel of the single-chip microcomputer main control unit STM32F446RET6 chip. Specifically, pins 3 and 4 of the ADS1292 multi-channel data acquisition module are connected to one electrode unit, and pins 5 and 6 of the ADS1292 multi-channel data acquisition module are connected to another electrode unit.

[0036] As Figure 4 shown, the body temperature sensor uses an NTC thermistor. The body temperature acquisition unit includes a resistor R20 and a capacitor C10. One output pin of the NTC thermistor is connected to one end of the resistor R20, and then they are jointly connected to one end of the capacitor C10 and used as the output end of the body temperature acquisition unit to be connected to the main control chip STM32F446RET6. The other end of the resistor R20 is connected to the 3.3V power supply, and one end of the capacitor C10 is connected to the other output pin of the NTC thermistor.

[0037] As Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 shown, the PPG pulse sensor uses a YK1801 pulse sensor chip (the pin connection diagram of the PPG pulse sensor is as Figure 5 shown), the PPG pulse acquisition unit includes an HR6707 pulse signal processing chip, an HR6816 gain chip, and an SFB9712-QFN28 algorithm chip. The YK1801 pulse sensor chip is sequentially connected to the HR6707 pulse signal processing chip, the HR6816 gain chip, and the SFB9712-QFN28 algorithm chip. The output end of the SFB9712-QFN28 algorithm chip is connected to an input channel of the STM32F446RET6 chip. The specific pin connection diagrams of the HR6707 pulse signal processing chip, the HR6816 gain chip, and the SFB9712-QFN28 algorithm chip are respectively as Figure 6 、 Figure 7, Figure 8 as shown

[0038] Based on the above embodiments, the wrist - type multi - dimensional bio - information intelligent acquisition device further includes a positioning module connected to the STM32F446RET6 chip. The positioning module includes an ATGM336H - 5N31 chip, and its specific pin connection diagram is as Figure 9 shown, and the positioning function of the wrist - type multi - dimensional bio - information intelligent acquisition device is realized through the ATGM336H - 5N31 chip.

[0039] Based on the above embodiments, the wrist - type multi - dimensional bio - information intelligent acquisition device further includes a motion sensor connected to the STM32F446RET6 chip. The motion sensor includes a six - axis sensor of the BMI160 chip, and its specific pin connection diagram is as Figure 10 shown. The motion information of the wearer can be recorded through the motion sensor.

[0040] Based on the above embodiments, the wrist - type multi - dimensional bio - information intelligent acquisition device further includes a cache chip connected to the STM32F446RET6 chip. The cache chip includes a W25Q64JVXGIQ chip, and its specific pin connection diagram is as Figure 11 shown, and the setting of the cache chip helps to realize data caching.

[0041] Based on the above embodiments, the wrist - type multi - dimensional bio - information intelligent acquisition device further includes a buzzer, as Figure 12 shown, and the buzzer BUZZER1 is connected to the STM32F446RET6 chip through a 1N4148WS diode.

[0042] Based on the above embodiments, in the wrist - type multi - dimensional bio - information intelligent acquisition device, straps for fixing to the user's wrist are provided at both ends of the outer shell, as Figure 13 shown. The strap includes a first strap 301 and a second strap 302. A buckle 303 is fixed on the first strap 301, and the back of the second strap 302 is set as a non - snagging magic - tape structure. When wearing, the second strap 302 passes through the buckle 303 and is fixed by the non - snagging magic - tape. Compared with the buckle method, using the non - snagging magic - tape for fixation is more convenient.

[0043] As a preferred implementation manner, in the wrist - type multi - dimensional bio - information intelligent acquisition device mentioned in the present invention, the electrode unit is made of brass.

[0044] Preferably, a display window is provided on the upper shell of the wrist - type multi - dimensional bio - information intelligent acquisition device. The display window is connected to the single - chip main control unit of the multi - channel information acquisition circuit, which helps to display various data collected by the multi - dimensional bio - information intelligent acquisition device.

[0045] Preferably, an NFC module connected to the single-chip microcomputer main control unit is further provided on the multi-channel information acquisition circuit of the wrist-type multi-dimensional biological information intelligent acquisition device, which helps to realize functions such as identity recognition, wireless charging of the wrist-type multi-dimensional biological information intelligent acquisition device, and point-to-point data transmission with other devices.

[0046] In this embodiment, a power supply module for supplying power to the multi-channel information acquisition circuit is further provided on the wrist-type multi-dimensional biological information intelligent acquisition device.

[0047] In this specification, each embodiment is described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. For the same or similar parts among the embodiments, reference can be made to each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple. For the relevant parts, reference can be made to the description in the method part.

[0048] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wrist-mounted multi-dimensional biological information intelligent collection device, characterized in that: The invention comprises a shell, wherein the shell comprises an upper shell and a lower shell, wherein a plurality of electrode units, a body temperature sensor and a PPG pulse sensor are arranged on the surface of the lower shell, wherein a multi-channel information acquisition circuit is arranged inside the shell, wherein the multi-channel information acquisition circuit comprises a single-chip microcomputer main control unit, a skin impedance acquisition unit, a body temperature acquisition unit and a PPG pulse acquisition unit, wherein the single-chip microcomputer main control unit adopts an STM32F446RET6 chip, wherein an input end of the skin impedance acquisition unit is connected to an electrode unit, and an output end of the skin impedance acquisition unit is connected to an input channel of the STM32F446RET6 chip; an input end of the body temperature acquisition unit is connected to a body temperature sensor, and an output end of the body temperature acquisition unit is connected to an input channel of the STM32F446RET6 chip; an input end of the PPG pulse acquisition unit is connected to a PPG pulse sensor, and an output end of the PPG pulse acquisition unit is connected to an input channel of the STM32F446RET6 chip.

2. A wrist-mounted multi-dimensional biological information intelligent collection device according to claim 1, characterized in that: The skin impedance acquisition unit includes an ADS1292 multi-channel data acquisition module, each electrode unit is connected to an input channel of the ADS1292 multi-channel data acquisition module, and the output end of the ADS1292 multi-channel data acquisition module is connected to an input channel of the STM32F446RET6 chip.

3. The wrist-mounted multi-dimensional biological information intelligent collection device according to claim 1, characterized in that: The body temperature sensor adopts an NTC thermistor, and the body temperature collection unit includes a resistor R20 and a capacitor C10. An output pin of the NTC thermistor is connected to one end of the resistor R20 and then connected to one end of the capacitor C10 and serves as the output end of the body temperature collection unit. The other end of the resistor R20 is connected to a 3.3V power supply, and one end of the capacitor C10 is connected to another output pin of the NTC thermistor.

4. The wrist-mounted multi-dimensional biological information intelligent collection device according to claim 1, characterized in that: The PPG pulse sensor adopts the YK1801 pulse sensor chip, and the PPG pulse acquisition unit includes a HR6707 pulse signal processing chip, a HR6816 gain chip and a SFB9712-QFN28 algorithm chip. The YK1801 pulse sensor chip is connected to the HR6707 pulse signal processing chip, the HR6816 gain chip and the SFB9712-QFN28 algorithm chip in sequence, and the output end of the SFB9712-QFN28 algorithm chip is connected to an input channel of the STM32F446RET6 chip.

5. The wrist-mounted multi-dimensional biological information intelligent collection device according to claim 1, characterized in that: It also includes a positioning module connected to the STM32F446RET6 chip, and the positioning module includes an ATGM336H-5N31 chip.

6. The wrist-mounted multi-dimensional biological information intelligent collection device according to claim 1, characterized in that: It also includes a motion sensor connected to the STM32F446RET6 chip, and the motion sensor includes a BMI160 chip six-axis sensor.

7. The wrist-mounted multi-dimensional biological information intelligent collection device according to claim 1, characterized in that: It also includes a cache chip connected to the STM32F446RET6 chip, and the cache chip includes a W25Q64JVXGIQ chip.

8. The wrist-mounted multi-dimensional biological information intelligent collection device according to claim 1, characterized in that: A buzzer is also included, and the buzzer is connected to the STM32F446RET6 chip through a 1N4148WS diode.

9. The wrist-mounted multi-dimensional biological information intelligent collection device according to claim 1, characterized in that: Both ends of the shell are provided with straps for fixing to the wrists of the user, and the straps include a first strap and a second strap, wherein a buckle is fixed on the first strap, and the back of the second strap is provided with a non-hair-grabbing Velcro structure.

10. The wrist-mounted multi-dimensional biological information intelligent collection device according to claim 1, characterized in that: The electrode unit includes an electrode unit made of brass.

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