CN207400746U - A lie detector with brain electric-examination brake - Google Patents
A lie detector with brain electric-examination brake Download PDFInfo
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- CN207400746U CN207400746U CN201720167915.0U CN201720167915U CN207400746U CN 207400746 U CN207400746 U CN 207400746U CN 201720167915 U CN201720167915 U CN 201720167915U CN 207400746 U CN207400746 U CN 207400746U
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Abstract
The utility model discloses a kind of a lie detectors with brain electric-examination brake, including brain wave detection device, brain wave detection device is connected with the signal handling equipment for filtering out α and β ripples EEG signals and processing, and signal handling equipment is connected with equipment of detecting a lie, and equipment of detecting a lie is communicated with host computer.Brain wave detection device includes headgear and brain wave induction electrode stick, headgear includes left and right earmuff, the upper end of left and right earmuff is pressed from both sides by head and connected, the position that brain top is corresponded on head folder is equipped with substrate, substrate, which is equipped with, fixes hole seat, the position after ear is corresponded on left and right earmuff and is equipped with fixing hole seat, the lower end of left and right earmuff is respectively connected with fastening straps, it is connected on head folder after forehead tightens band and brain and tightens band, forehead, which is tightened, to be taken equipped with hole seat is fixed, and brain wave induction electrode stick is inserted and secured in the through hole in each fixing hole seat.The utility model adds brain wave detection function on the basis of traditional a lie detector, and physio-parameter detection is wide, substantially increases accuracy of detecting a lie.
Description
Technical field
The utility model is related to a kind of a lie detectors with brain wave detection function, belong to lie-detection technology field.
Background technology
A lie detector is a kind of detection data based on to tested person's physiological change, to analyze the instrument whether tested person lies
Device.A lie detector traditional at present mainly selects the physiological parameters such as skin pricktest, chest breathing, abdominal respiration, blood pressure to be used as
The basis for estimation of lie.But from actual implementation it can be found that only by skin pricktest, chest and abdomen breathe, these physiological parameters of blood pressure come
To tested person make lie judge often there are deviation, obtained result of detecting a lie has some limitations, accuracy rate of detecting a lie
The actual demand of existing organ of handling a case cannot be met, can not really realize the psychological tight tracking to tested person, need to be supplemented with
It improves.
Utility model content
The purpose of this utility model is to provide a kind of a lie detector with brain electric-examination brake, in traditional a lie detector
On the basis of add brain wave detection function, physio-parameter detection is wide, substantially increases accuracy of detecting a lie.
To achieve these goals, the utility model employs following technical scheme：
A kind of a lie detector with brain electric-examination brake, it is characterised in that：It includes brain wave detection device, brain wave inspection
Measurement equipment is connected with the signal handling equipment for filtering out α and β ripples EEG signals and processing, signal handling equipment and equipment of detecting a lie
Connection, equipment of detecting a lie are communicated with host computer, wherein：
Brain wave detection device includes headgear and brain wave induction electrode stick, and headgear includes left earmuff, right earcup, left and right
The upper end of earmuff presss from both sides connection by telescopically adjustable head, and the position that brain top is corresponded on head folder is equipped with substrate, and substrate is equipped with
Hole seat is fixed, the position after ear is corresponded on left and right earmuff and is equipped with fixing hole seat, the lower end of left and right earmuff is respectively connected with fastening straps,
It is connected with forehead on head folder to tighten band and band can be tightened after the brain of length adjusting, forehead, which is tightened to take to be equipped with, fixes hole seat, brain electricity
Ripple induction electrode stick is inserted and secured in the through hole in each fixing hole seat.
The utility model has the advantages that：
1st, the utility model adds brain wave detection function on the basis of traditional a lie detector, makes brain wave detection and passes
System a lie detector per se with other physio-parameter detections (skin pricktest, chest breathing, abdominal respiration, blood pressure etc.) be combined
Come, complement one another, so as to achieve the purpose that improve accuracy of detecting a lie.
2nd, it is convenient and efficient for carrying out the wearing of the brain wave detection device of brain wave detection in the utility model, comfortably
Feel, the eeg signal collected is representative strong, and accuracy is high, can really reflect that tested person is right to the reaction institute of dependent event
The psychological condition answered really is realized and the psychology of tested person is tracked.
3rd, the utility model is detected a lie, and judge performance is good, and at low cost, operation debugging is convenient, and service life is long, suitable for handling a case
Department promotes.
Description of the drawings
Fig. 1 is the composition schematic diagram of a lie detector of the utility model with brain electric-examination brake.
Fig. 2 is the structure diagram of headgear.
Specific embodiment
As depicted in figs. 1 and 2, a lie detector of the utility model with brain electric-examination brake includes brain wave detection device
10, it brain wave detection device 10 and filters out α ripples (brain wave frequency is in 8Hz-12Hz) and β ripples (brain wave frequency is in 12Hz-
30Hz) the EEG signals and signal handling equipment 20 processed connects, signal handling equipment 20 and equipment 30 of detecting a lie are (i.e. existing
Traditional a lie detector) it connects, equipment of detecting a lie 30 can be communicated with host computer 50, wherein：
Brain wave detection device 10 includes headgear and brain wave induction electrode stick, wherein：Such as Fig. 2, headgear includes left and right ear
Cover 16, the upper end of left and right earmuff 16 are connected by telescopically adjustable head folder 14, and the position that brain top is corresponded on head folder 14 is equipped with
Substrate 15, substrate 15, which is equipped with, fixes hole seat 18, and the position after ear is corresponded on left and right earmuff 16 and is equipped with fixing hole seat 18, left and right
The lower end of earmuff 16 is respectively connected with fastening straps 17, and forehead is connected on head folder 14 and tightens band 12 and can be tightened after the brain of length adjusting
Band 13, forehead tighten band 12 and are equipped with fixing hole seat 18, and brain wave induction electrode stick (not shown) is inserted and secured on respectively
It fixes in the through hole in hole seat 18, brain wave induction electrode stick is connected by cable with signal handling equipment 20.
In actual fabrication, brain wave induction electrode stick is silver-silver chloride electrode stick.
Such as Fig. 2, head, which presss from both sides, can be equipped with to adjust head folder 14 across the adjusting blocks 140 of crown width on 14.Band is tightened after brain
It can be equipped with to adjust the band for tightening 13 length of band after brain on 13 and house block 130.
It, can be by thread gluing band connection, so that headgear is worn on head securely between two fastening straps 17 such as Fig. 2.
In actual design, the one side for fixing hole seat 18 towards tested head part is equipped with groove (not shown), groove
Interior to be filled with conductive paste, conductive paste is contacted with the brain wave induction electrode stick being inserted in fixing hole seat 18.
In the utility model, equipment of detecting a lie 30 can be with skin pricktest, chest breathing, abdominal respiration or blood pressure detecting work(
Any one of energy or a lie detector for appointing several detection functions.The utility model a lie detector is to be a kind of in existing traditional a lie detector
On transformation.
In use, wearing headgear on the head of tested person, each fix in hole seat 18 is plugged a brain wave induced electricity
Pole stick, then brain wave induction electrode stick contacted with conductive paste, conductive paste is contacted with skin of head, so as to brain wave induction electrode
Stick can effectively detect brain wave.
Insert the brain wave that the brain wave induction electrode stick in fixing hole seat 18 on substrate 15 is used to detect the release of brain top
Signal, the brain wave induction electrode stick in the fixing hole seat 18 being inserted on left and right earmuff 16 are used to detect the brain electricity discharged after ear
Ripple signal is inserted in the brain that the brain wave induction electrode stick that forehead is tightened in the fixing hole seat 18 on band 12 is used to detect forehead release
Electric wave signal.
Then, during personnel in charge of the case tells about tested person dependent event, proposition relevant issues etc., each brain wave sensing
Electrode bar is detected the brain wave that tested person releases and sends the eeg signal detected to signal handling equipment
20, α ripples and β ripples EEG signals are filtered out by signal handling equipment 20 and do respective handling, are then sent to equipment 30 of detecting a lie, are led to
Equipment 30 of detecting a lie is crossed to be combined brain wave with physio-parameter detections data such as skin pricktest, chest breathing, abdominal respiration, blood pressures
Come, make Comprehensive Evaluation, finally draw and detect a lie as a result, being then sent to host computer 50 by equipment 30 of the detecting a lie result that will detect a lie and being carried out
Storage is treated that related personnel checks and is used with analysis.
The utility model has the advantages that：
1st, the utility model adds brain wave detection function on the basis of traditional a lie detector, makes brain wave detection and passes
System a lie detector per se with other physio-parameter detections (skin pricktest, chest breathing, abdominal respiration, blood pressure etc.) be combined
Come, complement one another, so as to achieve the purpose that improve accuracy of detecting a lie.
2nd, it is convenient and efficient for carrying out the wearing of the brain wave detection device of brain wave detection in the utility model, comfortably
Feel, the eeg signal collected is representative strong, and accuracy is high, can really reflect that tested person is right to the reaction institute of dependent event
The psychological condition answered really is realized and the psychology of tested person is tracked.
3rd, the utility model is detected a lie, and judge performance is good, and at low cost, operation debugging is convenient, and service life is long, suitable for handling a case
Department promotes.
The above is the utility model preferred embodiment and its technical principle used, for those skilled in the art
It is any based on technical solutions of the utility model basis in the case of the spirit and scope without departing substantially from the utility model for member
On equivalent transformation, simple replacement etc. it is obvious change, belong within scope of protection of the utility model.
Claims (3)
1. a kind of a lie detector with brain electric-examination brake, it is characterised in that：It includes brain wave detection device, brain wave detection
Equipment is connected with the signal handling equipment for filtering out α and β ripples EEG signals and processing, signal handling equipment and the equipment company that detects a lie
It connecing, equipment of detecting a lie is communicated with host computer, wherein：
Brain wave detection device includes headgear and brain wave induction electrode stick, and headgear includes left earmuff, right earcup, left and right earmuff
Upper end connection is pressed from both sides by telescopically adjustable head, the position that brain top correspond on head folder is equipped with substrate, and substrate is equipped with fixing
Hole seat, the position after ear is corresponded on left and right earmuff is equipped with and fix hole seat, and the lower end of left and right earmuff is respectively connected with fastening straps, head folder
On be connected with forehead and tighten band and band can be tightened after the brain that adjusts of length, forehead, which is tightened, to be taken equipped with fixing hole seat, brain wave sense
It answers in the through hole that electrode bar is inserted and secured in each fixing hole seat；Head folder is equipped with to adjust head folder across crown width
Adjusting block；It tightens and is taken equipped with tightening the band with length for adjusting after brain and house block after brain；Hole seat is fixed towards tested person
The one side on head is equipped with groove, and conductive paste, conductive paste and the brain wave induction electrode being inserted in fixing hole seat are filled in groove
Stick contacts.
2. a lie detector of brain electric-examination brake is carried as described in claim 1, it is characterised in that：
The brain wave induction electrode stick is silver-silver chloride electrode stick.
3. a lie detector of brain electric-examination brake is carried as described in claim 1, it is characterised in that：
Pass through thread gluing band connection between two fastening straps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167915.0U CN207400746U (en) | 2017-02-23 | 2017-02-23 | A lie detector with brain electric-examination brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167915.0U CN207400746U (en) | 2017-02-23 | 2017-02-23 | A lie detector with brain electric-examination brake |
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| Publication Number | Publication Date |
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| CN207400746U true CN207400746U (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720167915.0U Active CN207400746U (en) | 2017-02-23 | 2017-02-23 | A lie detector with brain electric-examination brake |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009031A (en) * | 2018-09-05 | 2018-12-18 | 李锁让 | Assessment instrument and assessment method are selected in occupation based on EEG signals and Psychological Evaluation |
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2017
- 2017-02-23 CN CN201720167915.0U patent/CN207400746U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009031A (en) * | 2018-09-05 | 2018-12-18 | 李锁让 | Assessment instrument and assessment method are selected in occupation based on EEG signals and Psychological Evaluation |
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