CN215839092U - Multi-mode physiological signal comprehensive acquisition platform for psychological evaluation - Google Patents
Multi-mode physiological signal comprehensive acquisition platform for psychological evaluation Download PDFInfo
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- CN215839092U CN215839092U CN202121974948.9U CN202121974948U CN215839092U CN 215839092 U CN215839092 U CN 215839092U CN 202121974948 U CN202121974948 U CN 202121974948U CN 215839092 U CN215839092 U CN 215839092U
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Abstract
本实用新型公开用于心理测评的多模态生理信号综合采集平台，包括主控模块和信号采集模块，所述主控模块与信号采集模块连接，所述信号采集模块包括多个子模块，子模块设置于两块柔性面板之间，柔性面板提前设置与人体器官对应的分区，产生对应子模块的电信号；所述主控模块用于接收所述电信号。
The utility model discloses a multi-modal physiological signal comprehensive acquisition platform for psychological evaluation, which comprises a main control module and a signal acquisition module, wherein the main control module is connected with a signal acquisition module, and the signal acquisition module comprises a plurality of sub-modules. It is arranged between two flexible panels, and the flexible panel is set in advance with partitions corresponding to human organs, and generates electrical signals corresponding to the sub-modules; the main control module is used for receiving the electrical signals.
Description
Technical Field
The utility model relates to the technical field of psychological health assessment, in particular to a multi-mode physiological signal comprehensive acquisition platform for psychological assessment.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Emotion recognition based on multi-mode physiological signals is always a hot topic in the field of psychological health assessment, and collection of the multi-mode physiological signals has very important significance for psychological health assessment, but the existing physiological signal collection equipment is high in price, interference exists in the physiological signals in the collection process, the signals cannot be switched in real time, collected physiological data are inconvenient to extract and analyze, and meanwhile the problem that an electric signal collection device realizes remote potential control and performs electric signal collection and measurement cannot be solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a multi-mode physiological signal comprehensive acquisition platform for psychological assessment, which can realize real-time measurement of multi-mode physiological signals such as body temperature, heart rate, electrocardio and the like when a person to be tested performs psychological assessment and answer, isolate a physiological signal acquisition device, switch acquisition channels and store the acquired data for subsequent analysis and processing.
In order to achieve the purpose, the utility model adopts the following technical measures:
the multi-mode physiological signal comprehensive acquisition platform for psychological evaluation comprises a main control module and a signal acquisition module, wherein the main control module is connected with the signal acquisition module, the signal acquisition module comprises a plurality of sub-modules, the sub-modules are arranged between two flexible panels, and the flexible panels are provided with partitions corresponding to human organs in advance to generate electric signals corresponding to the sub-modules; the main control module is used for receiving the electric signal.
According to a further technical scheme, the platform further comprises a signal switching isolation module, and the main control module is connected with the signal switching isolation module; the signal acquisition module comprises a plurality of acquisition modules, and the signal switching isolation module is used for isolating the acquisition modules from acquiring data.
According to a further technical scheme, the signal acquisition module comprises a body temperature acquisition module, a heart rate and pulse acquisition module, an electrocardio acquisition module and a voice acquisition module, and the main control module is used for receiving and processing data of various physiological signals and outputting various physiological data to the client.
According to the technical scheme, the heart rate and pulse acquisition module is provided with a heart rate sensor, and the heart rate sensor adopts a photoelectric reflection type analog sensor.
According to the technical scheme, the main control module is connected with the power supply module, the power supply input end of the main control module is connected with the power supply output end of the power supply module, and the power supply module is used for supplying power to the main control module.
According to a further technical scheme, the body temperature acquisition module adopts a non-contact temperature measuring instrument.
In a further technical scheme, a special instrument amplifier, an operational amplifier, a right leg driving amplifier and a middle power supply voltage reference voltage buffer are arranged in the electrocardio acquisition module.
According to the further technical scheme, the electrocardio acquisition module acquires electrocardio data through a wire connection, the wire connection is connected with the electrode patch ports, the wire connection is a three-lead wire, and the electrode patch ports comprise three electrode patch ports.
According to the technical scheme, the power supply module is a rechargeable power supply and further comprises a USB interface and a USB charging circuit, wherein the input end of the USB charging circuit is connected with the USB interface, and the output end of the USB charging circuit is connected with the battery.
Further technical scheme, signal acquisition module still includes display module, display module includes liquid crystal display, liquid crystal display divide into first half and the latter half display screen, and first half display screen is used for showing rhythm of the heart and body temperature data, the latter half is used for showing the electrocardio waveform.
Compared with the prior art, the utility model has the following advantages:
through the multi-mode physiological signal comprehensive acquisition platform, multi-mode physiological signals such as body temperature, heart rate, electrocardio and the like can be measured in real time when a tested person performs psychological assessment and answer, the isolation device is used for ensuring that the signal acquisition modules cannot interfere with each other when different acquisition modules are switched to acquire data, the accuracy of data acquisition is ensured, and therefore the body health, emotional feeling and psychological health are monitored through further analysis and processing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structural diagram of a multi-modal physiological signal comprehensive acquisition platform for psychological assessment in the embodiment.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The structure of the present invention will be further described with reference to fig. 1.
Fig. 1 is a schematic view of an overall structure of a multi-modal physiological signal comprehensive acquisition platform for psychological assessment, which is provided to solve the above problems, and the utility model includes a main control module and a signal acquisition module, wherein the main control module is connected with the signal acquisition module, the signal acquisition module includes a plurality of sub-modules, the sub-modules are arranged between two flexible panels, and the flexible panels are provided with partitions corresponding to human organs in advance to generate electric signals corresponding to the sub-modules; the main control module is used for receiving the electric signal.
The platform also comprises a signal switching and isolating module, and the main control module is connected with the signal switching and isolating module; the signal switching isolation module is used for isolating the data acquired by the plurality of acquisition modules. The signal switching isolation module is used for ensuring that the signal acquisition modules cannot interfere with each other when different acquisition modules are switched to acquire data.
The platform further comprises a communication module, and the communication module uploads the acquired data so as to realize remote acquisition through the signal acquisition device.
The signal acquisition module comprises a body temperature acquisition module, a heart rate and pulse acquisition module, an electrocardiogram acquisition module and a voice acquisition module, the main control module is connected with the body temperature acquisition module, the heart rate and pulse acquisition module and the voice acquisition module, and the main control module is used for receiving and processing data of various physiological signals and outputting various physiological data to the client.
The main control module comprises a single chip microcomputer, and the type of the single chip microcomputer can be selected according to specific conditions.
For example, an ST official NUCLEO-F446ZE development board is selected, the NUCLEO-F446ZE is an STM32F446ZET6U chip-based NUCLEO-144 development board of ST company, an ARM Cortex-M4 kernel is provided, the working frequency is as high as 180MHz, and the code efficiency is greatly improved; flash is up to 512KB, and SRAM (Static Random-Access Memory) is up to 128 KB.
STM32F446ZE has three 12-bit ADCs of precision, has two DMA, has twelve general 16 bit timer, has 4 USART and 2 UARTs, has up to 114I/O ports that have interrupt function etc. can satisfy the development demand, and remaining pin can also support the follow-up physiological signal acquisition module that adds this design and do not use.
In the main control module circuit, the GND ground of singlechip, VCC is power input end, and input voltage is 3.3V, and the PA2 pin of singlechip is connected with heart rate sensing module 1's data output end.
The main control module is connected with the power supply module, the power supply input end of the main control module is connected with the power supply output end of the power supply module, and the power supply module is used for supplying power to the main control module.
The power module is a rechargeable power supply and further comprises a USB interface and a USB charging circuit, wherein the input end of the USB charging circuit is connected with the USB interface, and the output end of the USB charging circuit is connected with the battery.
The power module is provided with a power switch.
The body temperature acquisition module is used for acquiring the body temperature of a human body, and specifically, the sensor model adopted by the body temperature acquisition module can be selected according to specific conditions by the technology in the field.
For example, the body temperature acquisition module of this embodiment adopts the MLX90614 module to measure the temperature. The module belongs to a non-contact temperature measuring instrument, and has high precision, low cost and small volume. The detector using the temperature measuring module receives infrared radiation from the surface of a human body, and can convert the infrared radiation into an electric signal without being in direct contact with the skin, and the temperature of a measured person can be obtained through calculation after the electric signal is processed by an amplifier and a signal processing circuit.
The heart rate and pulse acquisition module is provided with a heart rate sensor, and the heart rate sensor is a photoelectric reflection type analog sensor.
In particular, the type of heart rate sensor may be selected by those skilled in the art according to the particular situation.
For example, a cheap and portable Pulsesensor module is selected to collect the heart rate and pulse.
The specific use principle is as follows: the pulse measurement is carried out by utilizing the difference of light transmittance caused by the human tissue when the blood vessel beats. The sensor emits green light to the skin, the photoelectric signal reflected after being absorbed by human tissues is received by the optical sensor, the photoelectric signal is filtered and amplified by the sensor, an analog voltage value is finally output, and the pulse value can be obtained by converting the acquired analog signal value into a digital signal and then calculating by the singlechip.
Specifically, the type of the electrocardiograph acquisition module can be selected by the technology in the field according to specific conditions.
For example, the electrocardio-acquisition module adopts a low-power AD8232 chip of ADI company, and a special instrument amplifier, an operational amplifier, a right leg driving amplifier and an intermediate power supply voltage reference voltage buffer are arranged in the electrocardio-acquisition module. In addition, the AD8232 is internally provided with a lead falling detection circuit and an automatic quick recovery circuit, can quickly recover signals after the leads are reconnected, and is greatly convenient for development and application.
The lead wire of the electrocardio acquisition module is in three leads, comprises three electrode patch interfaces with different colors, namely a first electrode patch, a second electrode patch and a third electrode patch, and can record the electrical activity of the heart by sticking the corresponding electrode patches to the corresponding organ positions of the human body.
The voice transmission and acquisition module is used for voice recognition, and specifically, the type of the voice transmission and acquisition module can be selected by the technology in the field according to specific conditions.
For example, in the embodiment, the LD3320 module is used for voice recognition, a user can set 50 key words for recognition according to design requirements, the LD3320 chip integrates a voice recognition processor and external circuits such as an AD/DA converter, a microphone interface, a sound output interface, and the like, and the system cost is greatly reduced by using the chip to realize voice recognition because the chip can be directly integrated into the existing product.
Specifically, the communication module adopts wireless transmission, and the type of the wireless transmission module can be selected by the technology in the field according to specific situations.
For example, JDY-31 is used as the wireless transmission module in this embodiment. The module is designed based on Bluetooth 3.0SPP, is used as a Bluetooth slave, supports Windows, Linux and android data transparent transmission, has a working frequency band of 2.4GHZ, a modulation mode GFSK, a maximum transmitting power of 8db and a maximum transmitting distance of 30 meters, supports a user to modify instructions such as a device name and a baud rate through AT commands, and is convenient, rapid and flexible to use.
In order to display data and electrocardiographic waveforms in real time for viewing, this example uses a 2.4 inch color thin film liquid crystal display screen that can display the highest resolution of 320 × 240 pixels, supporting 16-bit color display; the data bus of the display screen supports 8-bit parallel transmission, and a higher screen refresh rate can be realized.
The liquid crystal display screen is divided into an upper half display screen and a lower half display screen, and the display interface is distributed as follows: displaying the numerical values of the body temperature and the heart rate in real time on the upper half part of a TFT display screen; the electrocardiographic waveform is displayed on the lower half portion of the TFT display screen from left to right, and in order to avoid influencing the display effect of body temperature and heart rate numerical values, after the waveform is displayed on one screen, only the screen for displaying the electrocardiographic waveform is cleared, and then the next screen is displayed from left to right, so that the effect of continuously displaying the electrocardiogram is achieved.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121974948.9U CN215839092U (en) | 2021-08-20 | 2021-08-20 | Multi-mode physiological signal comprehensive acquisition platform for psychological evaluation |
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| CN202121974948.9U CN215839092U (en) | 2021-08-20 | 2021-08-20 | Multi-mode physiological signal comprehensive acquisition platform for psychological evaluation |
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