Multi-mode electroencephalogram environment data real-time collector

Abstract

The utility model discloses a multi-mode electroencephalogram environment data real-time collector, and belongs to the technical field of electroencephalogram collection environment information real-time measurement, the multi-mode electroencephalogram environment data real-time collector comprises a mounting rack, the top of the mounting rack is provided with a sliding groove, a plurality of mounting holes are formed in the corners of the mounting rack in a penetrating mode, and the sliding groove is communicated with the mounting holes. A data acquisition main body is arranged in a sliding groove in the top of the mounting frame, a human body existence state sensing module, a control mainboard and a single chip microcomputer are mounted at the top of the data acquisition main body, and the bottom of the data acquisition main body is of a hollow structure; and an ambient light sensor, an electret condenser microphone and a digital temperature and humidity sensor are mounted on the surface of the top of the data acquisition main body. By monitoring the influence of environmental factors (such as illumination, noise, temperature and humidity) on the electroencephalogram activity in real time, whether the change of the electroencephalogram signal is related to the environmental factors or not can be recognized, so that the data accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electroencephalogram collection environmental information real time measurement technical field especially relates to a multimodal electroencephalogram environmental data real time collector. BACKGROUND

[0002] Electroencephalogram (EEG) can reflect the electrical activity of the brain, and environmental data (such as temperature, humidity, light, noise, etc.) also have important influence on human physiological and psychological state. Through multimodal electroencephalogram environmental data collection, the interaction between brain activity and external environment can be considered comprehensively, so as to more comprehensively understand the changes of human cognition and behavior, and the real-time collector can provide instant monitoring of electroencephalogram activity, which has important application in the fields of cognitive function research, health management, brain-computer interface (BCI), neuroscience, psychology, etc. Especially, the response of electroencephalogram signal to environmental changes can help to develop personalized brain health management system, through integrating various sensors (electroencephalogram, environmental parameters, etc.) and advanced data analysis technology (such as machine learning, data fusion algorithm, etc.), new interdisciplinary research can be carried out, such as the relationship between electroencephalogram and environmental variables, the influence of environmental factors on electroencephalogram activity, etc., which promotes the in-depth development of cognitive science, neuroscience, etc.

[0003] At present, there is no mature product on the market specially used for real-time measurement of electroencephalogram collection environmental information, and electroencephalogram signal is easily affected by environmental factors, including temperature, humidity, noise, etc. For example, noise and temperature fluctuation may cause individual cognitive state and emotional fluctuation, thereby affecting the stability of electroencephalogram signal, without real-time environmental monitoring, these influences are difficult to be identified and adjusted in time, resulting in the decrease of precision and reliability of electroencephalogram data, and the sensitivity of individuals to environment is different, the existing device cannot adjust environmental parameters (such as temperature and humidity, light, etc.) in real time according to the actual needs of individuals to optimize the collection and processing of electroencephalogram signal, and the existing data collector often adopts bolts for installation and fixation when installing, which usually needs steps such as drilling, rotating nut, etc. This makes the installation process more tedious, especially when frequent installation, disassembly or adjustment of position is needed, it consumes more time and labor, if the position or angle of the data collector needs to be changed, the steps of disassembly, repositioning and installation will become relatively complex.

[0004] Therefore, it is urgent to provide a multimodal electroencephalogram environmental data real-time collector to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model overcomes the shortcomings of the prior art and provides a multimodal electroencephalogram environmental data real-time collector.

[0006] To solve the above technical problems, the utility model adopts a technical scheme of providing a kind of multimodal eeg environment data real-time collector, including mounting bracket, the mounting bracket top is equipped with the sliding slot, and the mounting bracket corner is equipped with a plurality of installation holes, and the data acquisition main part is arranged in the sliding slot of the mounting bracket top, the data acquisition main part top is installed with human existence state response module, control mainboard and single-chip microcontroller, and the bottom of the data acquisition main part is hollow structure, and the data acquisition main part top surface is installed with ambient light sensor, electret condenser microphone and digital temperature and humidity sensor.

[0007] Through the above technical scheme, by combining electroencephalogram (EEG), environmental monitoring data (such as temperature and humidity, air pressure, noise, etc.) and other sensor data, the collector can provide more comprehensive physiological and environmental information, thereby improving the comprehensive understanding of individual state.

[0008] The utility model further sets up: the hollow part of the data acquisition main part bottom is provided with a plurality of wedge-shaped blocks, a plurality of The opposite faces between the wedge-shaped blocks are linearly symmetrical, the opposite faces of the two wedge-shaped blocks are obliquely arranged, the wedge-shaped blocks are slidably connected with the data acquisition main body, a plurality of The connecting rod is arranged in the opposite faces between the wedge-shaped blocks, the connecting rod is fixedly connected with a ball at both ends, and the ball is slidably connected with the opposite faces of the two wedge-shaped blocks.

[0009] Through the above technical scheme, the position and angle of the data collector can be quickly adjusted, and the fine adjustment of the accurate position can be realized only by sliding the locking part to adapt to different installation requirements.

[0010] The utility model further sets up: the wedge-shaped block is fixedly connected with rubber pad away from the connecting rod side, the wedge-shaped block and rubber pad are slidably connected with the data acquisition main body, and the data acquisition main body is limited to the wedge-shaped block, and the rubber pad is limited to the inside of the mounting bracket away from the wedge-shaped block side.

[0011] The utility model further sets up: the bottom of the data acquisition main body is provided with a through hole, one of The ball is fixedly connected with a second spring on one side, the other end of the second spring is fixedly connected with the inner wall of the data acquisition main body, and the connecting rod is located in the through hole, and the connecting rod is slidably connected with the data acquisition main body, and the other end of the connecting rod is slidably connected with the data acquisition main body.

[0012] Through the above technical scheme, in the environment that needs to be frequently moved or temporarily deployed, the installation and disassembly of equipment are quickly completed, which is especially suitable for emergency response, mobile data acquisition system and other scenes.

[0013] The utility model further sets up: data acquisition main body is away from the side fixed connection of through -hole first spring, the connecting rod other end is located in the first spring, just the connecting rod other end fixed connection has the button, first spring is away from the fixed connection of button one end of data acquisition main body, the button both sides are provided with the handrail, the handrail is connected with data acquisition main body fixedly.

[0014] Through the above technical scheme, the installation is simple, and the maintenance and replacement process is also relatively simple, and high maintenance cost caused by long-term use or aging is avoided.

[0015] The utility model further sets up: the ambient light sensor adopts the model BH1750FVI-TR, the electret condenser microphone adopts high performance pre-polarization back electret condenser microphone, the human existence state sensing module adopts 24GHz human existence state sensing module, the singlechip adopts ARMCortex-M4 series.

[0016] Through the above technical scheme, by simultaneously acquiring electroencephalogram data, environmental data and behavior data, researchers can more deeply analyze the relationship between brain activity and external environment, for example, how environmental changes, emotional state, movement and other factors affect electroencephalogram patterns.

[0017] The utility model has the advantages that:

[0018] 1. The utility model can provide favorable reference and evaluation for electroencephalogram data analysis by real-time monitoring of relevant information of the electroencephalogram collection environment (such as illumination, noise, temperature, humidity, human movement and other external interference), and ensure the authenticity and effectiveness of the electroencephalogram data.

[0019] 2. After the mounting rack is installed on the wall, the button is pressed to move the connecting rod towards the inside of the data acquisition main body, at the same time, the second spring and the first spring are contracted, then the wedge block is pushed towards the inside of the data acquisition main body for storage, the data acquisition main body assembly is slid into the sliding groove of the mounting rack, the button is released, the first spring and the second spring return to the initial state, the connecting rod is moved in the opposite direction, the ball moves towards the facing surface between the two wedge blocks, thereby extruding and pushing, the rubber pad extrudes the inside of the mounting rack, thereby achieving fixation, installation or disassembly can be completed through sliding and simple locking action, without the use of tools such as screwdrivers or wrenches, which makes the installation process fast and convenient, and saves a lot of time. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the first perspective structural drawing of the utility model;

[0021] Figure 2 It is the second perspective structural drawing of the utility model;

[0022] Figure 3 The utility model discloses a data acquisition main body structure diagram;

[0023] Figure 4 The utility model discloses a data acquisition main body internal component structure diagram;

[0024] Figure 5 The utility model discloses a use mode flow chart;

[0025] Figure 6 The utility model discloses an environmental light sensor actual picture;

[0026] Figure 7 The utility model discloses a electret condenser microphone actual picture;

[0027] Figure 8 The utility model discloses a digital temperature and humidity sensor actual picture;

[0028] Figure 9 The utility model discloses a human existence state response module actual picture;

[0029] Figure 10 The utility model discloses a control mainboard actual picture.

[0030] Fig. 1, mounting frame;2, mounting hole;3, data acquisition main body;4, environmental light sensor;5, electret condenser microphone;6, digital temperature and humidity sensor;7, handrail;8, button;9, first spring;10, through -hole;11, rubber pad;12, wedge block;13, connecting rod;14, ball;15, second spring. DETAILED DESCRIPTION

[0031] The preferred embodiments of the utility model will be described below in detail with reference to the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0032] Please refer to Figure 1 - Figure 10The utility model discloses a kind of multimodal electroencephalogram environment data real-time collector, including mounting bracket 1, mounting bracket 1 top is provided with slide groove, and mounting bracket 1 corner is provided with several mounting holes 2, data acquisition main body 3 is arranged in the slide groove of mounting bracket 1 top, one side of data acquisition main body 3 bottom is provided with through-hole 10, one of sphere 14 side is fixedly connected with second spring 15, second spring 15 other end is fixedly connected with data acquisition main body 3 inner wall, and connecting rod 13 one end is located in through-hole 10, and connecting rod 13 is slidably connected with data acquisition main body 3, data acquisition main body 3 is fixedly connected with first spring 9 away from through-hole 10 side, connecting rod 13 other end is located in first spring 9, and connecting rod 13 other end is fixedly connected with button 8, first spring 9 is fixedly connected with button 8 away from data acquisition main body 3 end, handrail 7 is arranged on the both sides of button 8, and handrail 7 is fixedly connected with data acquisition main body 3, connecting rod 13 other end is slidably connected with data acquisition main body 3, human existence state induction module, control mainboard and single-chip microcomputer are installed on the top of data acquisition main body 3, and the bottom of data acquisition main body 3 is provided with the structure of hollow, the hollow portion of data acquisition main body 3 is provided with several wedge blocks 12, rubber pad 11 is fixedly connected with wedge block 12 away from connecting rod 13 side, and wedge block 12 and rubber pad 11 are slidably connected with data acquisition main body 3, and data acquisition main body 3 is positioned to wedge block 12, and rubber pad 11 is positioned to the inside of mounting bracket 1 away from wedge block 12 side, several wedge blocks 12 are linearly symmetrically arranged between each other, and the opposite faces of two wedge blocks 12 are obliquely arranged, and wedge block 12 is slidably connected with data acquisition main body 3, and connecting rod 13 is arranged in the opposite face between each of several wedge blocks 12, and sphere 14 is fixedly connected at both ends of connecting rod 13, and sphere 14 is slidably connected with the opposite face of two wedge blocks 12, and environmental light sensor 4, electret condenser microphone 5 and digital temperature and humidity sensor 6 are installed on the top surface of data acquisition main body 3, environmental light sensor 4 adopts the type BH1750FVI-TR, electret condenser microphone 5 adopts high-performance pre-polarized back-polar electret condenser microphone, human existence state induction module adopts 24GHz human existence state induction module, and single-chip microcomputer adopts ARMCortex-M4 series.

[0033] When using, after mounting bracket 1 is installed on wall by bolt, press button 8 to make connecting rod 13 move to the inside of data acquisition main body 3, simultaneously, second spring 15 and first spring 9 shrink, then wedge block 12 is pushed to the inside of data acquisition main body 3 and is stored, then data acquisition main body 3 integral assembly is slid into the slide groove of mounting bracket 1, button 8 is loosened, first spring 9 and second spring 15 restore to initial state, connecting rod 13 moves to opposite direction, make sphere 14 move to the opposite face between two wedge blocks 12, to extrude and push, so that rubber pad 11 extrudes the inside of mounting bracket 1, to realize fixed.

[0034] Then the light intensity, noise, temperature, humidity, human movement and other parameters of the current collection environment are acquired by various types of sensors, and then the real-time parameters are displayed on a four-point three-inch screen, and the specific engineering process is as follows:

[0035] 2. Ambient light intensity measurement: the ambient light sensor 4, model BH1750FVI-TR, collects light intensity data and outputs I2C serial communication to the single-chip microcomputer for real-time display on the screen, ambient light intensity detection range: 1-65535lx.

[0036] 3. Noise measurement: a high-performance pre-polarized back electrode electret condenser microphone is used to collect ambient noise signals, which are then amplified by a microphone amplifier and input into a single-chip microcomputer for data acquisition and analysis, noise measurement range can reach 30dB-130dB, frequency response range: 20Hz-12.5kHz, noise accuracy ±0.5dB.

[0037] 4. Temperature and humidity measurement: the digital temperature and humidity sensor 6 measures the surrounding indoor air quality, and outputs I2C serial communication to the single-chip microcomputer for real-time display on the screen, relative humidity accuracy 1.8%RH, humidity range: 0-100%RH, temperature accuracy 0.2℃.

[0038] 5. Human movement measurement: a 24GHz human presence sensing module is used to detect human targets in a set space using FMCW frequency modulation continuous wave, combined with radar signal processing and accurate human sensing algorithm, to realize high-sensitivity human presence sensing, which can identify moving and stationary human bodies and calculate auxiliary information such as target distance.

[0039] 6. Real-time data display: the four-point three-inch screen displays real-time data of various sensors, and related threshold values of various sensors can be set on the screen.

[0040] 7. Data processing and analysis: the ARM Cortex-M4 series single-chip microcomputer analyzes and processes data of related sensors (such as light intensity, noise, temperature, humidity, human movement, etc.) and screen operation control.

[0041] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A multi-modal electroencephalography environment data real-time collector comprising a mounting rack (1), characterized in that: The mounting frame (1) top is provided with a sliding slot, and a plurality of mounting holes (2) are penetratingly arranged at the corners of the mounting frame (1), a data acquisition main body (3) is arranged in the sliding slot of the mounting frame (1) top, a human body presence state sensing module, a control mainboard and a single-chip microcomputer are arranged on the data acquisition main body (3) top, and the bottom of the data acquisition main body (3) is provided with a hollow structure, and an ambient light sensor (4), an electret condenser microphone (5) and a digital temperature and humidity sensor (6) are arranged on the top surface of the data acquisition main body (3).

2. The multi-modal electroencephalography environmental data real-time collector according to claim 1, wherein: A plurality of wedge-shaped blocks (12) are arranged in the hollow portion of the data acquisition main body (3), the wedge-shaped blocks (12) are linearly symmetrically arranged in pairs, the opposite faces of the two wedge-shaped blocks (12) are obliquely arranged, the wedge-shaped blocks (12) are slidingly connected with the data acquisition main body (3), connecting rods (13) are arranged in the opposite faces of the wedge-shaped blocks (12) in pairs, and spherical bodies (14) are fixedly connected at the two ends of the connecting rods (13) and slidingly connected with the opposite faces of the two wedge-shaped blocks (12).

3. The multi-modal electroencephalography environmental data real-time collector according to claim 2, wherein: The rubber pads (11) are fixedly connected to the sides of the wedge-shaped blocks (12) away from the connecting rods (13), the wedge-shaped blocks (12) and the rubber pads (11) are slidingly connected with the data acquisition main body (3), and the data acquisition main body (3) limits the wedge-shaped blocks (12), and the rubber pads (11) limit the inside of the mounting frame (1) on the sides away from the wedge-shaped blocks (12).

4. The multi-modal electroencephalography environmental data real-time collector according to claim 2, wherein: A through hole (10) is penetratingly arranged on one side of the bottom of the data acquisition main body (3), one of the spherical bodies (14) is fixedly connected on one side, a second spring (15) is fixedly connected to the other end of the second spring (15) and the inner wall of the data acquisition main body (3), one end of the connecting rod (13) is located in the through hole (10), and the connecting rod (13) is slidingly connected with the data acquisition main body (3), and the other end of the connecting rod (13) is slidingly connected with the data acquisition main body (3).

5. The multi-modal electroencephalography environmental data real-time collector according to claim 4, wherein: The data acquisition main body (3) is fixedly connected with a first spring (9) on the side away from the through hole (10), the other end of the connecting rod (13) is located in the first spring (9), the other end of the connecting rod (13) is fixedly connected with a button (8), the other end of the first spring (9) away from the data acquisition main body (3) is fixedly connected with the button (8), handrails (7) are arranged on the two sides of the button (8), and the handrails (7) are fixedly connected with the data acquisition main body (3).

6. The multi-modal electroencephalography environmental data real-time collector according to claim 1, wherein: The ambient light sensor (4) is of BH1750FVI-TR type, the electret condenser microphone (5) is a high-performance pre-polarized back electrode electret condenser microphone, the human body presence state sensing module is a 24GHz human body presence state sensing module, and the single-chip microcomputer is an ARMCortex-M4 series.

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