CN206621360U - Human body electroencephalogram's ripple signal pickup assembly - Google Patents
Human body electroencephalogram's ripple signal pickup assembly Download PDFInfo
- Publication number
- CN206621360U CN206621360U CN201621378052.3U CN201621378052U CN206621360U CN 206621360 U CN206621360 U CN 206621360U CN 201621378052 U CN201621378052 U CN 201621378052U CN 206621360 U CN206621360 U CN 206621360U
- Authority
- CN
- China
- Prior art keywords
- human body
- signal
- pickup assembly
- amplification module
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model discloses a kind of human body electroencephalogram's ripple signal pickup assembly, and it includes brain electrode sensor, housing, pcb board and signal amplification module, isolation optocoupler, digital signal processing module, power management module, the USB interface being arranged on pcb board.The utility model makees electrical isolation, aluminium casing, rechargeable battery as power supply to technological means such as amplification module power supplies by using isolation optocoupler, space electric field is prevented to the radiation interference of circuit, reduces interfering, reducing power noise for each part of circuit.Amplify with reference to using three-level signal, solve the problems, such as that existing eeg signal acquisition device signal acquisition is easily disturbed, is not accurate enough.
Description
Technical field
It the utility model is related to EEG Biofeedback Training technology neck, and in particular to a kind of human body electroencephalogram's ripple signal acquisition dress
Put.
Background technology
With the continuous development of medical electronics, brain electricity is gradually valued by the people.EEG signals are produced by brain neurological motion
Autonomous potential activity that is raw and being present in central nervous system all the time, has abundant brain activity information, is that brain is ground
Study carefully, physiological Study, the important means of clinical detection brain activity.In addition, EEG signals contain the pathology of a large amount of Human Physiologies
Information, pass through the research to EEG signals, it will be appreciated that the relation between nerve cell electrical activity and human physiology psychological condition,
Clinical medicine and cognitive domain have important scientific meaning.
EEG biofeedback training originate from the 1960s the U.S., be mainly used in initial stage astronaut choice and specially
Note power training；At the end of the seventies, it is applied to the notice training of USAF pilot；The eighties, gradually develop into sports body
Concentration training, the hyperactivity treatment of some sportsmen educated；After the nineties, EEG biofeedback training more and more should
For fields such as the training of children's concentration, read-write obstacle training.
However, because eeg signal is extremely faint, EEG signals frequency is low, is gathering and is holding in preprocessing process
It is vulnerable to interference so that become very difficult in collection.And the currently research to brain wave collector is paid attention to pair mostly
The improvement of device profile, more rare to the improvement in terms of the accuracy of signal acquisition, existing electric wave harvester, which exists, to be adopted
The problem of signal of collection is easily disturbed, accuracy is not high.
Utility model content
In order to solve the above-mentioned technical problem, the utility model discloses a kind of human body electroencephalogram's ripple signal pickup assembly, it is wrapped
Include brain electrode sensor, housing, pcb board and the signal amplification module being arranged on pcb board, isolation optocoupler, at data signal
Module, power management module, USB interface are managed, the brain electrode sensor is arranged on the outside of housing, and the pcb board is arranged on
Enclosure interior, the brain electrode sensor, signal amplification module, isolation optocoupler, digital signal processing module, USB interface are sequentially connected,
The input of the power management module is connected with USB interface, and its output end is connected with signal amplification module, on the housing
Provided with some openings, the position of opening is corresponding with the junction of brain electrode sensor and signal amplification module, USB interface.
Further, the signal amplification module includes difference amplifier and filter amplifier, the difference amplifier
Input is connected with brain electrode sensor, and its output end is connected with the input of filter amplifier, described and filter amplifier
Output end be connected with isolation optocoupler input.
Further, the filter amplifier is two, the two series connection.
Further, the digital signal processing module includes A/D converter and digital processing unit, the A/D converter
Input be connected with the output end of isolation optocoupler, its output end is connected with the input of digital processing unit, the numeral
The output end of processor is connected with USB interface.
Further, the power management module includes rechargeable battery and power switching device, the power switching device it is defeated
Entering end to be connected with USB interface, its output end is connected with rechargeable battery, and the rechargeable battery is connected with signal amplification module,
Power supply is provided for signal amplification module.
Further, the pcb board is 4 veneer structures, it include successively the integral top layer of closed assembly, the first intermediate layer and
Second intermediate layer, bottom, element is provided with the top layer, letter is respectively arranged with first intermediate layer and the second intermediate layer
Number return line.
Further, the top layer and bottom are respectively equipped with ground wire.
Further, the brain electrode sensor is to be detachably connected with signal amplification module.
Further, the brain electrode sensor is arranged to multiple.
Further, the material of the housing is metallic aluminium.
The utility model makees electrical isolation by using isolation optocoupler, avoids the interference between signal；Using the laminates of PCB tetra-,
The element on pcb board is set to be arranged at extexine, signal line loop is arranged on intermediate layer, and two outer surfaces of pcb board are all connected to
Ground wire, the Isolated Shield being effectively accomplished between signal wire, reduce interfering for each part of circuit；Employ rechargeable battery
Powered for signal amplification module, reduce power noise；Aluminium casing is employed, is effectively prevented space electric field to circuit
Radiation interference；Amplify with reference to using three-level signal, it is not accurate enough to efficiently solve existing eeg signal acquisition device collection signal
The problem of.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model circuit block diagram；
Fig. 3 is PCB four-sheet structure schematic diagrames
Legend：1. brain electrode sensor, 2. signal amplification modules, 3. isolation optocouplers, 4. digital signal processing modules,
5.USB interfaces, 6. power management modules, 7.PCB plates, 8. housings, 9. socket ends, 10. electrical equipments, 11 inserted terminals, 21. difference
Amplifier, 22. filter amplifiers, 41. A/D converters, 42. digital processing units, 61. rechargeable batteries, 62. power switching devices,
71. top layer, 72. bottoms, 73. first intermediate layers, 74. second intermediate layers, 81. openings.
Embodiment
The utility model is described further with reference to embodiment, but is not limited to the content on specification.
According to Fig. 1,2, the utility model discloses a kind of human body electroencephalogram's ripple signal pickup assembly, and it includes brain electrode
Sensor 1, housing 8, pcb board 7 and the signal amplification module 2 being arranged on pcb board 7, isolation optocoupler 3, Digital Signal Processing
Module 4, USB interface 5, power management module 6, the brain electrode sensor 1 are arranged on the outside of housing 8, and the pcb board 7 is set
Put inside housing 8, the brain electrode sensor 1, signal amplification module 2, isolation optocoupler 3, digital signal processing module 4, USB interface
5 are sequentially connected, and the input of the power management module 6 is connected with USB interface 5, and its output end is connected with signal amplification module 2
Connect, the housing 8 is provided with some openings 81, and be open 81 position and the connection of brain electrode sensor 1 and signal amplification module 2
Place, USB interface 5 are corresponding.
Housing 8 is constituted of aluminium, and can effectively prevent radiation interference of the space electric field to circuit.
According to Fig. 3, pcb board 7 can use four-sheet structure, including successively the integral top layer 71 of closed assembly, bottom 72,
First intermediate layer 73 and the second intermediate layer 74, are provided with element on top layer 71, on the first intermediate layer 73 and the second intermediate layer 74 point
Signal circuit line is not provided with.The top layer 71 of pcb board 7 and bottom 72 are connected to ground wire respectively, have been effectively accomplished between signal circuit line
Isolated Shield, reduce interfering for each part of circuit.
Brain electrode sensor 1 may be provided with multiple, be passed for connecting the head pickup area of experimenter, and by collection signal
Pass signal amplification module 2.In order to facilitate carrying and repairing, can be set between brain electrode sensor 1 and signal amplification module 2
To be detachably connected, such as inserted terminal 11 can be set on brain electrode sensor 1, set on pcb board 7 and signal amplification mould
The socket end 9 that block 2 connects, brain electrode sensor 1 is set to pass through inserted terminal 11 and the grafting of socket end 9 with signal amplification module 2.
Signal amplification module 2 includes level difference amplifier 21 and filter amplifier 22 forms, and can set filter amplifier 22
Two are set to, the two series connection, so as to form 3 grades of signal amplifications.Signal amplification module 2 will receive from brain electrode sensor 1
After signal amplification, digital signal processing module 4 is transferred to by isolation optocoupler 3.
Isolation optocoupler 3 act as avoiding the interference between signal, from single linear optocoupler.
Digital signal processing module 4 includes A/D converter 41 and digital processing unit 42, for will be passed by isolation optocoupler 3
Pass the electric signal come and be converted to data signal, and data signal is handled, corresponding processing is passed to by USB interface 5
Terminal.
USB interface 5 is divided for the data signal that digital signal processing module 4 transmits to be transmitted into corresponding processing terminal
Analysis, and when connecting the processing terminals such as computer, power supply is provided for digital signal processing module；In the He of brain electrode sensor 1
When signal amplification module 2 does not work, it can be charged by USB interface 5 to power management module 6.
Power management module 6 includes rechargeable battery 61 and power switching device 62, for providing electricity to signal amplification module 2
Source.When brain electrode sensor 1 and signal amplification module 2 do not work, charging electricity is given by USB interface 5 and power switching device 62
Charge in pond 61.When brain electrode sensor 1 and signal amplification module 2 are started working, power switching device 62 can be by the electricity of USB interface 5
Source and rechargeable battery 61 are completely isolated, and only the use of rechargeable battery 61 are that signal amplification module 2 is powered, so as to be effectively prevented
Power network brings noise jamming.
During using the present apparatus, the device is connected with processing terminal, and EEG signals sensor 1 is connected respectively to a left side
Correspondence position on right two ears and the brain skin that gather or train, EEG signals pass through signal amplification module and data signal
Processing terminal is transferred to after processing module processing.
The utility model makees electrical isolation by using isolation optocoupler, avoids the interference between signal；Using the laminates of PCB tetra-,
The element on pcb board is set to be arranged at top layer, signal line loop is arranged on intermediate layer, and pcb board top layer and bottom are all connected to ground
Line, the Isolated Shield being effectively accomplished between signal wire, reduce interfering for each part of circuit；Employing rechargeable battery is
Signal amplification module is powered, and reduces power noise；Aluminium casing is employed, is effectively prevented spoke of the space electric field to circuit
Blackberry lily is disturbed；Amplify with reference to using three-level signal, it is not accurate enough to efficiently solve existing eeg signal acquisition device collection signal
Problem.
Obviously, above-mentioned embodiment of the present utility model is only intended to clearly illustrate the utility model example,
And it is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, stated upper
It can also be made other changes in different forms on the basis of bright.Here all embodiments can not be given thoroughly
Lift.It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
Protection domain row.
Claims (10)
- A kind of 1. human body electroencephalogram's ripple signal pickup assembly, it is characterised in that：It includes brain electrode sensor（1）, housing（8）、PCB Plate（7）And it is arranged on pcb board（7）On signal amplification module（2）, isolation optocoupler（3）, digital signal processing module（4）、 USB interface（5）, power management module（6）, the brain electrode sensor（1）It is arranged on housing（8）Outside, the pcb board （7）It is arranged on housing（8）Inside, the brain electrode sensor（1）, signal amplification module（2）, isolation optocoupler（3）, digital processing Module（4）, USB interface（5）It is sequentially connected, the power management module（6）Input and USB interface（5）Connection, it is exported End and signal amplification module（2）It is connected, the housing（8）It is provided with some openings（81）, opening（81）Position and brain electricity Pole sensor（1）With signal amplification module（2）Junction, USB interface（5）It is corresponding.
- 2. human body electroencephalogram's ripple signal pickup assembly according to claim 1, it is characterised in that：The signal amplification module （2）Including difference amplifier（21）And filter amplifier（22）, the difference amplifier（21）Input and brain electrode sense Device（1）Connection, its output end and filter amplifier（22）Input be connected, the filter amplifier（22）Output end with Isolation optocoupler（3）Input be connected.
- 3. human body electroencephalogram's ripple signal pickup assembly according to claim 2, it is characterised in that：The filter amplifier（22） Two are arranged to, the two series connection.
- 4. human body electroencephalogram's ripple signal pickup assembly according to claim 1, it is characterised in that：The Digital Signal Processing mould Block（4）Including A/D converter（41）And digital processing unit（42）, the A/D converter（41）Input and isolation optocoupler（3） Output end be connected, its output end and digital processing unit（42）Input be connected, the digital processing unit（42）It is defeated Go out end and USB interface（5）It is connected.
- 5. human body electroencephalogram's ripple signal pickup assembly according to claim 1, it is characterised in that：The power management module （6）Including rechargeable battery（61）With power switching device（62）, the power switching device（62）Input be connected with USB interface, Its output end and rechargeable battery（61）It is connected, the rechargeable battery（61）With signal amplification module（2）It is connected, is put for signal Big module（2）Power supply is provided.
- 6. human body electroencephalogram's ripple signal pickup assembly according to claim 1-5 any one, it is characterised in that：The PCB Plate（7）For 4 veneer structures, it includes the integral top layer of closed assembly successively（71）, the first intermediate layer（73）With the second intermediate layer （74）, bottom（72）, the top layer（71）On be provided with element, first intermediate layer（72）With the second intermediate layer（74）Upper point Signal circuit line is not provided with.
- 7. human body electroencephalogram's ripple signal pickup assembly according to claim 6, it is characterised in that：The top layer（71）And bottom （72）On be respectively equipped with ground wire.
- 8. human body electroencephalogram's ripple signal pickup assembly according to claim 1, it is characterised in that：The brain electrode sensor （1）With signal amplification module（2）To be detachably connected.
- 9. human body electroencephalogram's ripple signal pickup assembly according to claim 1, it is characterised in that：The brain electrode sensor （1）It is arranged to multiple.
- 10. human body electroencephalogram's ripple signal pickup assembly according to claim 1-5,7-9 any claim, its feature exist In：The housing（8）Material be metallic aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378052.3U CN206621360U (en) | 2016-12-15 | 2016-12-15 | Human body electroencephalogram's ripple signal pickup assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378052.3U CN206621360U (en) | 2016-12-15 | 2016-12-15 | Human body electroencephalogram's ripple signal pickup assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206621360U true CN206621360U (en) | 2017-11-10 |
Family
ID=60213516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621378052.3U Active CN206621360U (en) | 2016-12-15 | 2016-12-15 | Human body electroencephalogram's ripple signal pickup assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206621360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566920A (en) * | 2021-08-26 | 2021-10-29 | 上海市计算技术研究所 | Gas flow measuring system |
-
2016
- 2016-12-15 CN CN201621378052.3U patent/CN206621360U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566920A (en) * | 2021-08-26 | 2021-10-29 | 上海市计算技术研究所 | Gas flow measuring system |
| CN113566920B (en) * | 2021-08-26 | 2024-03-08 | 上海市计算技术研究所有限公司 | Gas flow measurement system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102512153B (en) | Non-contact electrocardio monitoring mobile terminal and electrocardio monitoring method | |
| CN207071165U (en) | A kind of Intelligent Composite waveform electrical transcranial stimulation system | |
| CN108852341A (en) | A kind of digital radio Electrophysiology signal detection single-chip, system and method | |
| CN105022488A (en) | Wireless BCI (Brain Computer Interface) input system based on SSVEP (Steady-State Visual Evoked Potentials) brain electric potential | |
| CN203874282U (en) | Automated external defibrillator based on mobile phone data line | |
| CN106361326A (en) | Brain wave collecting and transmitting terminal | |
| CN104133470A (en) | Multi-mode brain machine interface wheelchair control system | |
| CN202236782U (en) | Attention training instrument based on brain wave | |
| CN104257380A (en) | Electroencephalograph collecting and processing system | |
| CN206621360U (en) | Human body electroencephalogram's ripple signal pickup assembly | |
| CN204631770U (en) | The efficient user's trainer of a kind of brain-computer interface for Mental imagery brain electricity | |
| CN211381329U (en) | Intelligent undershirt of dynamic monitoring electrocardio | |
| CN205072865U (en) | Wearing formula electroencephalogram acquired ware | |
| CN106725464A (en) | Detect the dry electrode system of EEG signals | |
| CN107422653A (en) | It is a kind of that the method and device for wearing display device is automatically waken up using brain power technology | |
| CN106937868B (en) | Electroencephalogram and near infrared spectrum combined acquisition device applied to rat | |
| CN107802263A (en) | A kind of wearable sound feedback system based on Electroencephalo signal | |
| CN204542135U (en) | A kind of integrated form blood oxygen transducer | |
| CN214342364U (en) | Wireless electroencephalogram signal acquisition system | |
| CN212521785U (en) | EEG signal acquisition equipment | |
| CN202044265U (en) | Electroencephalogram signal acquisition and analysis module | |
| CN107137078A (en) | Brain wave detection device and equipment | |
| CN206003050U (en) | A kind of new brain wave collector | |
| CN206007245U (en) | A kind of binary channels electroencephalogramsignal signal collection equipment based on internet | |
| CN206381172U (en) | A kind of cardiac electricity detecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |