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CN109044349A - Brain wave visualization device - Google Patents

Brain wave visualization device Download PDF

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Publication number
CN109044349A
CN109044349A CN201810971774.7A CN201810971774A CN109044349A CN 109044349 A CN109044349 A CN 109044349A CN 201810971774 A CN201810971774 A CN 201810971774A CN 109044349 A CN109044349 A CN 109044349A
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brain
helmet
display
eeg
channel eeg
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Inventor
徐英舜
王索刚
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Tianjin Medical University
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Tianjin Medical University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/742—Details of notification to user or communication with user or patient; User input means using visual displays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0204—Operational features of power management
    • A61B2560/0214—Operational features of power management of power generation or supply

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Psychiatry (AREA)
  • Psychology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

一种可将脑电波节律信号变化在头盔状曲面显示器表面用不同颜色或灰度显示的脑电采集处理显示一体设备，它包括多通道脑电干电极装置，多通道脑电放大与处理单元，头盔状曲面显示器和可充电电池部件；多通道脑电干电极装置与头皮接触，多通道脑电干电极装置的输出端与多通道脑电放大与处理单元的输入端相连，多通道脑电放大与处理单元的输出端与头盔状曲面显示器的输入端相连，可充电电池部件用于供电。该设备具有结构紧凑，直观实时显示脑电活动功能，对于神经科学的研究与应用具有重要的意义。

An EEG acquisition, processing and display integrated device that can display changes in brain wave rhythm signals on the surface of a helmet-shaped curved display with different colors or grayscales. It includes a multi-channel EEG stem electrode device, a multi-channel EEG amplification and processing unit, The helmet-shaped curved surface display and rechargeable battery components; the multi-channel EEG stem electrode device is in contact with the scalp, the output end of the multi-channel EEG stem electrode device is connected with the input end of the multi-channel EEG amplifier and the processing unit, and the multi-channel EEG amplifier The output terminal of the processing unit is connected with the input terminal of the helmet-shaped curved display, and the rechargeable battery unit is used for power supply. The device has the function of compact structure and intuitive real-time display of brain electrical activity, which is of great significance to the research and application of neuroscience.

Description

Brain wave visualization device
Technical field
The present invention relates to a kind of brain wave visualization devices that can be used for brain wave acquisition processing display one.Especially with Helmet-like flexible displays made of flexible display material, can be realized display different zones different colours or gray scale is shown, To directly display the power of electrical activity of brain.Wherein the dry electrode assembly of multichannel brain electric is for realizing quick donning and high-speed high-quality Amount acquisition EEG signals, multichannel brain is electrically amplified and processing unit is handled by eeg signal acquisition and in real time, and brain wave is special Sign is converted into the display in flexible displays field color.The display area and brain area position consistency, color grade variation pair Answer the power of electrical activity of brain.
Background technique
The present invention relates to the acquisition of human brain electrical activity, processing and display belong to the brain-computer interface in neuroengineering (Brain-Computer Interface, BCI) technology.Brain-computer interface is being directly connected to of establishing between human brain and external equipment Access.Brain electric equipment and computer receive the order that brain transmits, and the order of certain operation or control is formed by processing.
BCI is a kind of to realize that human brain is communicated and controlled with computer or other electronic equipments based on EEG signals System, it is a communication system not against the common brain output channel such as peripheral nerve and musculature.In other words, BCI is directly exchanging and control channel of establishing between human brain and computer, and by this channel, people can directly lead to Brain is crossed to express idea or commanding apparatus, without language or limb action.
Brain-computer interface includes intrusive and non-intrusion type, and non-intrusion type brain-computer interface is mainly worn using facilitating, to people without The patch electrode of injury realizes the acquisition of brain electricity.But scalp, skull and portion of tissue have attenuation to EEG signals, therefore The resolution ratio for the EEG signals being recorded is lower.But it due to this acquisition method straightforward procedure, is widely used in clinic and examines The fields such as treatment, cognitive psychological research.
Therefore the invention proposes the brain waves that can be used for brain wave acquisition processing one to visualize helmet equipment, with traditional brain What machine interface system was realized controls difference to computer, but brainwave activity is visualized.The visualization pair of brainwave activity Neuroscience Research is of great significance with clinical application.It is to study relationship between the cognitive behavior performance of people and brain function activity Tool.However the system for being currently used in brain wave visualization technique is huge, generally in laboratory or clinical brain wave acquisition consulting room It completes, and most of time is not to acquire in real time, real-time visual.But it first acquires, then processed offline.Visualization device It is also common computer monitor, visual information is mapped on head model over the display, it cannot intuitive observational record User's cognitive behavior data and brainwave activity.The present invention is able to solve the above problem, and the equipment can acquire brain in real time Electric wave signal is simultaneously handled, and brain wave information can intuitively be reflected cognitive behavior and brain electricity in helmet surface real-time display Wave active synchronization, thus the research of auxiliary nervous Scientific Cognition and brain function and clinically to the actual monitoring diagnosis and treatment need of case It wants.
Brain wave visualization device of the present invention is substantially the system of brainwave activity quantization, i.e., different with display Color or grey level quantization cerebral functional lateralitv, therefore brain wave acquisition voltage signal is handled according to EEG spectrum analysis method, meter It calculates theta (4-7Hz), alpha (8-12.5Hz), beta1 (12.5-16Hz), beta (13-30Hz) and gamma (32- Five frequency ranges such as 100Hz).Different tasks is directed in Neuroscience Research and clinic diagnosis, these frequency ranges present and appoint It is engaged in corresponding ingredient and ratio, scientific research and clinical research and application can be assisted.It particularly clinically can be clear and intuitive Realization the nervous system disease quickly checks and screening.
Brain wave visualization device of the present invention mainly uses electrochromism (Electrochromism, EC) material. The material ultraviolet, visible light or (and) optical properties (transmissivity, reflectivity or absorptivity) of near infrared region are powered on outside The phenomenon that stable reversible change is generated under field action shows as the reversible change of color and transparency in appearance.Electroluminescent change Device made of color material has bistable state, ignores that blind angle, contrast are high, manufacturing cost is low, operating temperature range is wide, driving is electric The advantages that forcing down, be rich in color, can be applied to electrochromic intelligent window, automobile automatic anti-glare rearview mirror, electrochromism glasses, The fields such as goggles, smart card, intelligent label, instrument show, outdoor advertising.For Flexible Displays application, mainly using organic Electrochromic material.Organic electrochromic material includes small organic molecule electrochromic material and Polymer Electrochromic material 2 Major class.Wherein small organic molecule electrochromic material mainly includes Viologen Compounds, triphenylamine and its derivative etc., this kind ofization Color can be changed in electrode surface and solution by closing object.Conducting polymer is also a kind of important electrochromic material, type Various and color change is various, representative for Polypyrrole derivatives, polythiofuran derivative and polyaniline derivative etc..Organic Electricity Causing off-color material to have, color change is fast, memory effect is strong, loss is low, color is various, transmitance difference height etc. under different conditions Advantage.
Therefore the invention proposes the brain wave visualization devices that can be used for brain wave acquisition processing display one, using multi-pass Road brain electrical dry electrode device, multichannel brain is electrically amplified and processing unit, utilizes the multi-pass being integrated in helmet-like flexible displays Road brain electrical dry electrode device is worn on the head, and is applied conductive paste without additional, directly acquisition eeg signal, is recycled multichannel brain The electrically amplified amplification that EEG signals are realized with processing unit is realized signal sampling and processing process and is converted into helmet-like curved surface The corresponding color of brain electricity or tonal gradation are shown on display.The equipment has compact-sized, intuitive real-time display electrical activity of brain Function has great importance for the research and application of Neuscience.
Summary of the invention
It is an object of the invention to propose that brain wave circadian signal can be changed to use in helmet-like flexible displays by one kind to move The brain wave acquisition processing display integrated equipment that state color or gray scale are shown.To utilize the aobvious of color or tonal gradation real-time update Show, to indicate the situation of electrical activity of brain, is such as absorbed in/absent minded, it is nervous/states such as to loosen.It realizes living to user's brain The displaying of dynamic different conditions variation.
To achieve the above object, the present invention is using technical solution: it includes the dry electrode assembly of multichannel brain electric, multichannel Brain is electrically amplified and processing unit, helmet-like flexible displays and rechargeable battery component；The dry electrode assembly of multichannel brain electric and head Bark graft touching, the output end of the dry electrode assembly of multichannel brain electric with multichannel brain is electrically amplified is connected with the input terminal of processing unit, it is more Channel brain is electrically amplified to be connected with the output end of processing unit with the input terminal of helmet-like flexible displays, and rechargeable battery component is used In for the dry electrode assembly of multichannel brain electric, multichannel brain is electrically amplified to be powered with processing unit and helmet-like flexible displays.
The dry electrode assembly of the multichannel brain electric: it includes a hat bracket, one and helmet-like flexible displays Connected connecting component, dry electrode and dry electrode and the electrically amplified connection with processing unit of multichannel brain in the channel 1-19 are led Line；
The hat bracket is plastic construction, and 20 electrodes are arranged according to IO-10-20 national standard system convention above and install Position is 19 recording electrode positions and a ground wire electrode position；
The connecting component is plastic construction, and major function is that helmet-like flexible displays are fixed on hat bracket On, detachably.
The dry electrode, shell is plastics and passes through silver chloride material coating film treatment, is with scalp contact portion material Plastics simultaneously pass through silver chloride material coating film treatment, are column structure, rear portion is elastic construction, the mobile row with up and down direction Journey is connected with scalp contact material with the front-end amplifier in dry electrode, can be realized the preposition amplification of EEG signals and simple Filtering；
The connecting wire is that copper is silver-plated or ag material, overcoating insulating materials realize that dry electrode is put with multichannel brain electric Greatly with the connection of processing unit；
The multichannel brain is electrically amplified and processing unit core is multichannel collecting unit, and acquisition precision is more than or equal to 10 EEG signals are filtered according to selected frequency range and are converted into driving signal, and connect with helmet-like flexible displays by position, thus Real-time control simultaneously activates display corresponding region；
The helmet-like flexible displays: it has the shape of the similar helmet, and wearable on head, and the helmet-like is bent Face display is divided into multiple display subregions, the brain area pair with brain electrical dry electrode each in the dry electrode assembly of multichannel brain electric acquisition It answers.Each display subregion is made of multi-layer film structure, from inside to outside respectively transparent support sealant, transparency conducting layer, Electrochromic layer, electrolyte layer, another electrochromic layer, another transparency conducting layer and another transparent support sealant, Mei Gexian Show and sealed against each other between subregion and electric insulation, the input terminal of helmet-like flexible displays and output end realize data-interface Connection, can receive the driving signal transmitted, and activate some display area of helmet-like flexible displays, the viewing area Domain can show different color or tonal gradation, represent different brain wave rhythms；
The rechargeable battery component is the dry electrode assembly of multichannel brain electric, and multichannel brain is electrically amplified and processing unit, and The power supply of helmet-like flexible displays.
The working principle of the invention is such that firstly, using the dry electrode assembly of multichannel brain electric, multichannel brain is electrically amplified With processing unit by brain wave acquisition, amplifies and filtered by special frequency channel.Brain electrical feature is converted into driving helmet-like curved-surface display The driving signal of device, driving signal activate the different display areas of helmet-like flexible displays.The helmet-like flexible displays Working principle is as follows: the helmet-like flexible displays are divided into multiple display subregions, and every in the dry electrode assembly of multichannel brain electric The brain area of a brain electrical dry electrode acquisition is corresponding.Each display subregion is made of multi-layer film structure, is from inside to outside respectively saturating Bright support sealant, transparency conducting layer, electrochromic layer, electrolyte layer, another electrochromic layer, another transparency conducting layer and again One transparent support sealant, seals against each other between each display subregion and electric insulation, therefore each display subregion is distinguished It is corresponding by processed each brain electrical dry electrode EEG signals collected to receive its, is built between two transparency conducting layers Corresponding electric field is found, electrochromic layer is made to change colour.
The present invention is by adopting the above-described technical solution, have the advantages that
1, acquisition in real time and processing brain electricity, and the real-time dynamic display Different brain region on helmet-like flexible displays in real time Brainwave activity.And the volume for being able to solve equipment needed for traditional computer monitor shows brain area activity is big, it is non-wearable, only The limitation that energy laboratory environment uses.It can be used for clinical brain consumption real-time monitoring, neural feedback training, special assignment brain state Tracking, quantitative analysis etc..
2, compact-sized, integrated, wearable, convenient and easy.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 uses schematic diagram for of the invention；
Fig. 3 is the structural schematic diagram of the dry electrode assembly of multichannel brain electric；
Fig. 4 is the structural schematic diagram of helmet-like liquid crystal display.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples: as illustrated in the accompanying drawings from 1 to 3, the dry electricity of multichannel brain electric Pole device 1, multichannel brain are electrically amplified with processing unit 2, helmet-like flexible displays 3 and rechargeable battery component 4；Multichannel brain Electrical dry electrode device 1 is contacted with scalp, and the output end and multichannel brain of the dry electrode assembly 1 of multichannel brain electric are electrically amplified single with processing The input terminal of member 2 is connected, the electrically amplified input terminal with the output end and helmet-like flexible displays 3 of processing unit 2 of multichannel brain It is connected, rechargeable battery component 4 is used to be the dry electrode assembly 1 of multichannel brain electric, and multichannel brain is electrically amplified with 2,3 He of processing unit Helmet-like flexible displays 3 are powered.
The dry electrode assembly 1 of the multichannel brain electric: it includes a hat bracket 1.1, and one aobvious with helmet-like curved surface Show the connected connecting component 1.2 of device, the dry electrode 1.3 and dry electrode and multichannel brain in the channel 1-19 be electrically amplified and processing unit Connecting wire 1.4；
The hat bracket 1.1 is plastic material, big cellular light structure, is advised above according to IO-10-20 state mark system 20 electrode installation positions are then set, are 19 recording electrodes and a ground wire electrode position；
The connecting component 1.2 is plastic material, and lightweight column structure, major function is by helmet-like flexible displays 3 are fixed on hat bracket 1.1, detachably.
The dry electrode 1.3, shell is plastics and passes through silver chloride material coating film treatment, with scalp contact portion material For plastics and pass through silver chloride material coating film treatment, be column structure, rear portion is elastic construction, the mobile row with up and down direction Journey is connected with scalp contact material with the front-end amplifier in dry electrode, can be realized the preposition amplification of EEG signals and simple Filtering；
The connecting wire 1.4 is that copper is silver-plated or ag material, overcoating insulating materials realize dry electrode 1.3 and multichannel The electrically amplified connection with processing unit 2 of brain；
The multichannel brain is electrically amplified and 2 core of processing unit is 24 channel acquisition units, and acquisition precision is more than or equal to 10, sample frequency 256Hz, and including cutoff frequency be 0.4Hz low-pass filtering and cutoff frequency be 45Hz high pass filter EEG signals are filtered according to selected frequency range and are converted into driving signal, and connect with helmet-like flexible displays 3 by wave, from And real-time control and activate display corresponding region；
The helmet-like flexible displays 3: it has shape of the similar helmet, and wearable on head, the helmet-like Flexible displays 3 are divided into multiple display subregions, the brain with brain electrical dry electrode each in the dry electrode assembly 1 of multichannel brain electric acquisition Area is corresponding.Each display subregion is made of multi-layer film structure, from inside to outside respectively transparent support sealant 4.1, transparent Conductive layer 4.2, electrochromic layer 4.3, electrolyte layer 4.4, another electrochromic layer 4.5, another transparency conducting layer 4.6 and another Transparent support sealant 4.7, seals against each other between each display subregion and electric insulation, helmet-like flexible displays 3 it is defeated Enter end and realize that data-interface is connect with 3 output end, 3 driving signals transmitted can be received, and activate helmet-like curved surface Some display area of display 3, the display area can show different color or tonal gradation, represent different brain electricity sections Rule activity；
The rechargeable battery component 4 is the dry electrode assembly 1 of multichannel brain electric, and multichannel brain is electrically amplified with processing unit 2, 3 and helmet-like flexible displays 3 power.
When specifically used, such as during Neuroscience Research experiment or clinic diagnosis, the present invention can be worn on Subject's head, for certain experimental duties or certain check task, inform the mental of user's task definition and required realization Activity, such as mental arithmetic, Mental imagery, space imagination, Working Memory Task etc., in experiment or diagnosis and treatment process, multichannel brain electric Amplification is filtered and is converted to the EEG signals that the dry electrode assembly 1 of acquisition multichannel brain electric acquires in real time of processing unit 2, amplification Driving source drives the quantization of 3 Dynamically Announce brain wave of helmet-like flexible displays, these visualisation parameters are protected in time with task Synchronization is held, is spatially consistent with practical brain area.Scientific research personnel or doctor can intuitively observe in real time and logger task The subjective information of reflection user's cognitive behavior performance in the process and the objective information of brainwave activity.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date Ordinary technical knowledge can know the prior art all in the field, and have using routine experiment hand before the date The ability of section, one skilled in the art can improve and be implemented in conjunction with self-ability under the enlightenment that the application provides This programme, some typical known features or known method should not become one skilled in the art and implement the application Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make Several modifications and improvements out, these also should be considered as protection scope of the present invention, these all will not influence the effect that the present invention is implemented Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification The records such as body embodiment can be used for explaining the content of claim.

Claims (10)

1.脑电波可视化设备，其特征在于：它包括多通道脑电干电极装置，多通道脑电放大与处理单元，头盔状曲面显示器和可充电电池部件；多通道脑电干电极装置与头皮接触，多通道脑电干电极装置的输出端与多通道脑电放大与处理单元的输入端相连，多通道脑电放大与处理单元的输出端与头盔状曲面显示器的输入端相连，可充电电池部件用于为多通道脑电干电极装置，多通道脑电放大与处理单元和头盔状曲面显示器进行供电。1. EEG visualization equipment, characterized in that: it comprises a multi-channel EEG dry electrode device, a multi-channel EEG amplification and processing unit, a helmet-shaped curved surface display and rechargeable battery components; the multi-channel EEG dry electrode device is in contact with the scalp , the output end of the multi-channel EEG stem electrode device is connected to the input end of the multi-channel EEG amplification and processing unit, the output end of the multi-channel EEG amplification and processing unit is connected to the input end of the helmet-shaped curved surface display, and the rechargeable battery component It is used to supply power for multi-channel EEG dry electrode device, multi-channel EEG amplification and processing unit and helmet-shaped curved surface display. 2.根据权利要求1所述的脑电波可视化设备，其特征在于：多通道脑电干电极装置包括一个帽形支架，一个与头盔状曲面显示器相连的连接部件，1-19通道的干电极以及干电极与多通道脑电放大与处理单元的连接导线。2. The brain wave visualization device according to claim 1, characterized in that: the multi-channel EEG dry electrode device comprises a hat-shaped support, a connection part connected with a helmet-shaped curved surface display, the dry electrodes of 1-19 channels and The connecting wires between the dry electrodes and the multi-channel EEG amplification and processing unit. 3.根据权利要求1所述的脑电波能量可视化设备，所述的帽形支架为塑料结构，上面按照IO-10-20国标系统规则设置20个电极安装位，为19个记录电极和一个地线电极。3. The brainwave energy visualization device according to claim 1, the hat-shaped support is a plastic structure, and 20 electrode installation positions are set according to the IO-10-20 national standard system rules above, which are 19 recording electrodes and a ground wire electrodes. 4.根据权利要求1所述的脑电波能量可视化设备，所述的连接部件为塑料结构，主要功能为将头盔状曲面显示器固定于帽形支架上，可拆卸。4. The brain wave energy visualization device according to claim 1, wherein the connecting part is a plastic structure, and its main function is to fix the helmet-shaped curved surface display on the hat-shaped bracket, and it is detachable. 5.根据权利要求1所述的脑电波能量可视化设备，所述的干电极，外壳为塑料并经过氯化银材料镀膜处理，与头皮接触部分材料为塑料并经过氯化银材料镀膜处理，为柱状结构，后部为弹性结构，具有上下方向的移动行程，与头皮接触材料与干电极内的前端放大器相连，该前端放大器能够实现脑电信号的放大和简单滤波。5. The electroencephalogram energy visualization device according to claim 1, the shell of the dry electrode is plastic and processed by silver chloride material coating, and the material in contact with the scalp is plastic and processed by silver chloride material coating, as The columnar structure, the rear part is an elastic structure, has a moving stroke in the up and down direction, and is connected with the scalp contact material and the front-end amplifier in the dry electrode. The front-end amplifier can realize the amplification and simple filtering of EEG signals. 6.根据权利要求1所述的脑电波能量可视化设备，所述的连接导线为铜镀银或银材料，外覆屏蔽材料，实现干电极与多通道脑电放大器的连接。6. The electroencephalogram energy visualization device according to claim 1, wherein the connecting wire is copper-plated with silver or a silver material, covered with a shielding material, so as to realize the connection between the dry electrode and the multi-channel EEG amplifier. 7.根据权利要求1所述的脑电波能量可视化设备，其特征在于：多通道脑电放大器核心为多通道采集单元，通道数大于2，采集精度大于等于10位。7. The brain wave energy visualization device according to claim 1, characterized in that: the core of the multi-channel EEG amplifier is a multi-channel acquisition unit, the number of channels is greater than 2, and the acquisition accuracy is greater than or equal to 10 bits. 8.根据权利要求1所述的脑电波能量可视化设备，所述的脑电信号处理单元实时处理脑电特征信号，延迟不大于0.2秒，头盔状曲面显示器显示延迟小于等于0.5秒。8. The electroencephalogram energy visualization device according to claim 1, wherein said EEG signal processing unit processes EEG characteristic signals in real time, with a delay of no more than 0.2 seconds, and a display delay of less than or equal to 0.5 seconds on a helmet-shaped curved surface display. 9.根据权利要求1所述的脑电波能量可视化设备，所述的头盔状曲面显示器佩戴于头上，其下是放置采集脑电干电极的支架，干电极采集脑电，显示区域与下方脑电采集实际脑区位置一致，同步直观的显示脑电活动。9. The brain wave energy visualization device according to claim 1, the helmet-shaped curved surface display is worn on the head, and below it is a support for placing and collecting brain electricity dry electrodes, and the dry electrodes collect brain electricity, and the display area and the lower brain The location of the actual brain area of the electrical acquisition is consistent, and the brain electrical activity is displayed synchronously and intuitively. 10.根据权利要求1所述的脑电波能量可视化设备，其特征在于：该头盔状曲面显示器的显示区域分成与多通道脑电干电极装置中每个脑电干电极对应的不同显示子区域，每个显示子区域由多层薄膜结构组成，从内到外分别为透明支撑密封层，透明导电层，电致变色层，电解质层，又一电致变色层，又一透明导电层和又一透明支撑密封层，每个显示子区域之间相互密封且电气绝缘。10. The brainwave energy visualization device according to claim 1, characterized in that: the display area of the helmet-shaped curved surface display is divided into different display sub-areas corresponding to each brain stem electrode in the multi-channel EEG stem electrode device, Each display sub-region is composed of a multi-layer thin film structure, from the inside to the outside are a transparent support sealing layer, a transparent conductive layer, an electrochromic layer, an electrolyte layer, another electrochromic layer, another transparent conductive layer and another A transparent supporting sealing layer, each display sub-area is sealed and electrically insulated from each other.
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