CN105105747B - Brain wave measuring equipment and electrode cap - Google Patents
Brain wave measuring equipment and electrode cap Download PDFInfo
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- CN105105747B CN105105747B CN201510657892.7A CN201510657892A CN105105747B CN 105105747 B CN105105747 B CN 105105747B CN 201510657892 A CN201510657892 A CN 201510657892A CN 105105747 B CN105105747 B CN 105105747B
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- brain wave
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Abstract
The invention discloses a kind of brain wave measuring equipment and electrode cap, belong to medical instruments field.The brain wave measuring equipment includes：Dryness electrode, and the hydraulic control module being fixedly connected with the dryness electrode；The hydraulic control module is used to adjust pressure between the dryness electrode and skin by conducting liquid, wherein, conducting liquid can absorb or reflect extraneous interference electric wave, so as to reduce the influence of the interference electric wave to eeg signal.Therefore, the brain wave measuring equipment can not only ensure the steady contact of dryness electrode and skin, and can also shield interference electric wave when brain wave is measured, and improve the accuracy in measurement of brain wave.The present invention is used for the measurement of brain wave.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of brain wave measuring equipment and electrode cap.
Background technology
Brain wave (English：Electroencephalogram；Referred to as：EEG) be brain in activity, Cerebral cortex cell mass
Between form potential difference so that in the electric current of corticocerebral extracellular generation.Electric wave during brain wave record brain activity
Change, is overall reflection of the bioelectrical activity in cerebral cortex or scalp surface of cranial nerve cell.Brain wave is measured
When, it is necessary to which conductive electrode to be fixed on to head and the face of human body, the neuron activity of brain reaches brain by ionic conduction
After cortex, conductive electrode can sense this faint voltage change, and can send into the electric signal detected at signal
Differential amplification is carried out in reason device, is filtered, the processing such as digital-to-analogue conversion finally can obtain the initial data of brain wave.
In correlation technique, dryness electrode is a kind of conductive electrode conventional when brain wave is measured, and dryness electrode can be with gas
Pressure control device is connected, and the Pneumatic controller can adjust the contact of the dryness electrode and skin contact location, so that
The steady contact that the dryness electrode can be with human body skin can be ensured.
But, the dryness electrode used in correlation technique, when being measured to brain wave, is imitated to the shielding for disturbing electric wave
It is really poor, cause the accuracy in measurement of brain wave relatively low.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of brain wave measuring equipment and electrode cap.
The technical scheme is as follows：
First aspect includes there is provided a kind of brain wave measuring equipment, the brain wave measuring equipment：
Dryness electrode, and the hydraulic control module being fixedly connected with the dryness electrode；
The hydraulic control module is used to adjust the pressure between the dryness electrode and skin by conducting liquid.
Optionally, the hydraulic control module is the liquid containing structure for being provided with cavity.
Optionally, the device also includes：
Liquid delivery module；
The liquid delivery module is connected with the hydraulic control module, is led for conveying in the cavity to the hydraulic control module
Electro-hydraulic body.
Optionally, the liquid delivery module is connected by conduit with the cavity of the hydraulic control module.
Optionally, the dryness electrode includes：
Microelectrode array and electrode load plate；
The side of the electrode load plate is provided with the microelectrode array, the opposite side of the electrode load plate and the hydraulic control module
It is fixedly connected.
Optionally, the hydraulic control module by can the colloid of deformation be made.
Optionally, the hydraulic control module is made up of silica gel.
Optionally, the conducting liquid includes at least one of metal microparticle or electron ion.
Optionally, the electrode in the microelectrode array is the Ti electrode that surface is coated with titanium nitride.
Second aspect measures electrode cap there is provided a kind of brain wave, and the brain wave, which measures electrode cap, to be included：
Support cap, and the brain wave measuring equipment as described in first aspect is any being arranged on the support cap.
Optionally, multiple grids are formed with the support cap, the brain wave measuring equipment has been inserted on each grid.
Optionally, the brain wave measures electrode cap and included：At least two brain wave measuring equipments, at least two signals are adopted
Collect module；
Each signal acquisition module is connected one to one by signal acquisition line with each brain wave measuring equipment.
Optionally, the brain wave measures electrode cap and included：At least two brain wave measuring equipments, the brain wave measures electricity
Polar cap also includes：Signal acquisition module；
The signal acquisition module is connected with each brain wave measuring equipment respectively by signal acquisition line.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The invention provides a kind of brain wave measuring equipment and electrode cap, the brain wave measuring equipment includes dryness electrode,
And the hydraulic control module being fixedly connected with the dryness electrode；The hydraulic control module is used to adjust the dryness by conducting liquid
Pressure between electrode and skin, wherein, conducting liquid can absorb or reflect the interference electric wave in the external world, be done so as to reduce this
Disturb influence of the electric wave to eeg signal.Therefore, the brain wave measuring equipment can not only ensure the steady of dryness electrode and skin
Fixed contact, and interference electric wave when brain wave is measured can also be shielded, improve the accuracy in measurement of brain wave.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of schematic diagram of brain wave measuring equipment provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of another brain wave measuring equipment provided in an embodiment of the present invention；
Fig. 3-1 is the schematic diagram that a kind of brain wave provided in an embodiment of the present invention measures electrode cap；
Fig. 3-2 is the schematic diagram that another brain wave provided in an embodiment of the present invention measures electrode cap；
Fig. 3-3 is the schematic diagram that another brain wave provided in an embodiment of the present invention measures electrode cap.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiments of the invention provide a kind of brain wave measuring equipment, referring to Fig. 1, the device includes：
Dryness electrode 10, and the hydraulic control module 11 being fixedly connected with the dryness electrode；
The hydraulic control module 11 is used to adjust the pressure between the dryness electrode 10 and skin by conducting liquid.
In summary, a kind of brain wave measuring equipment provided in an embodiment of the present invention, the brain wave measuring equipment includes dry
Property electrode, and the hydraulic control module being fixedly connected with the dryness electrode；The hydraulic control module is used to adjust by conducting liquid
The pressure between the dryness electrode and skin is saved, wherein, conducting liquid can absorb or reflect the interference electric wave in the external world, so that
Reduce the influence of the interference electric wave to eeg signal.Therefore, the brain wave measuring equipment can not only ensure dryness electrode with
The steady contact of skin, and interference electric wave when brain wave is measured can also be shielded, improve the accuracy in measurement of brain wave.
In embodiments of the present invention, the hydraulic control module 11 can be adjusted in the hydraulic control module by conducting liquid
The pressure in portion, and then by the change of hydraulic control module internal pressure, the change of the hydraulic control module outer shape is driven,
So as to realize the effect for adjusting the pressure between the dryness electrode 10 and skin.
Further, because the electric signal of brain wave is very faint, when being measured to brain wave, the electric signal is easy
Influenceed by external interference electric wave, in embodiments of the present invention, the hydraulic control module 11 is should by conducting liquid regulation
Pressure inside hydraulic control module, the conducting liquid includes at least one of metal microparticle or electron ion, should
Conducting liquid can be absorbed or the extraneous interference electric wave of reflection by the metal microparticle or electron ion, and then it is dry to reduce this
Influence of the electric wave to eeg signal is disturbed, therefore, it is possible to improve precision when brain wave is measured.
In summary, a kind of brain wave measuring equipment provided in an embodiment of the present invention, the brain wave measuring equipment includes dry
Property electrode, and the hydraulic control module being fixedly connected with the dryness electrode；The hydraulic control module is used to adjust by conducting liquid
Save the pressure between the dryness electrode and skin, the conducting liquid includes at least one in metal microparticle or electron ion
Kind, the conducting liquid can be absorbed or the extraneous interference electric wave of reflection by the metal microparticle or electron ion, and then be subtracted
The small influence of the interference electric wave to eeg signal, therefore, the brain wave measuring equipment can not only ensure dryness electrode and skin
The steady contact of skin, and interference electric wave when brain wave is measured can also be shielded, improve the accuracy in measurement of brain wave.
Fig. 2 is the schematic diagram of another brain wave measuring equipment provided in an embodiment of the present invention, as shown in Fig. 2 the hydraulic pressure
Control module 11 is the liquid containing structure for being provided with cavity 110.
In embodiments of the present invention, the hydraulic control module 11 can by can the colloid of deformation be made, for example can be by silicon
Glue is made.Cavity 110 in the hydraulic control module 11 is used to store conducting liquid.Cavity in the hydraulic control module 11
When the capacity of the conducting liquid stored in 110 changes, the pressure in the cavity 110 also changes therewith, and then can drive
The change of the outer shape of hydraulic control module 11 so that the dryness electrode 10 and skin being fixedly connected with the hydraulic control module 11
The contact of skin changes, and ensures that the dryness electrode can be steadily contacted with human body skin with this.
Optionally, as shown in Fig. 2 the device also includes：Liquid delivery module 12；The liquid delivery module 12 and the hydraulic pressure
Control module 11 is connected, for conveying conducting liquid in the cavity 110 to the hydraulic control module 11.
In embodiments of the present invention, the liquid delivery module 12 can pass through conduit 13 and the sky of the hydraulic control module 11
Chamber 110 is connected.The liquid delivery module 12 can by control to the hydraulic control module 11 convey conducting liquid conveying
Amount, adjusts the pressure in the cavity 110 of the hydraulic control module 11, and then adjust the contact of the dryness electrode 10 with human body skin
Pressure.
Optionally, with reference to Fig. 2, the dryness electrode 10 includes：Microelectrode array 101 and electrode load plate 102；The electrode load plate
102 side is provided with the microelectrode array 101, and the opposite side of the electrode load plate 102 is fixed with the hydraulic control module 11 to be connected
Connect.
The microelectrode array 101 includes multiple microelectrodes, wherein each microelectrode can be coated with titanium nitride for surface
Ti electrode, the chemical stability of titanium nitride is good, and with higher electric conductivity, anticorrosive and wear resistance is preferable, and the material
Matter parent skin, be difficult to cause allergic, thus using this be coated with titanium nitride Ti electrode carry out brain wave measurement when effect
Preferably.
It should be noted that in actual applications, signal acquisition module can also be included in the brain wave measuring equipment, should
Signal acquisition module can be connected by signal acquisition line with dryness electrode, be arrived for gathering and handling the dryness electrode detection
Eeg signal.
In summary, a kind of brain wave measuring equipment provided in an embodiment of the present invention, the brain wave measuring equipment includes dry
Property electrode, and the hydraulic control module being fixedly connected with the dryness electrode；The hydraulic control module is used to adjust by conducting liquid
The pressure between the dryness electrode and skin is saved, wherein, conducting liquid can absorb or reflect the interference electric wave in the external world, so that
Reduce the influence of the interference electric wave to eeg signal.Therefore, the brain wave measuring equipment can not only ensure dryness electrode with
The steady contact of skin, and interference electric wave when brain wave is measured can also be shielded, improve the accuracy in measurement of brain wave.
Fig. 3-1 is that a kind of brain wave provided in an embodiment of the present invention measures electrode cap, as shown in figure 3-1, the brain wave amount
Surveying electrode cap includes：Support cap 20, and the brain wave measuring equipment 21 being arranged on the support cap.
The brain wave measuring equipment 21 can be the brain wave measuring equipment 21 shown in Fig. 1 or Fig. 2.As shown in figure 3-1, should
It could be formed with support cap 20 and the brain wave measuring equipment 21 inserted on multiple grids, each grid.
In embodiments of the present invention, the support cap 20 can also be used to connect connection liquid in brain wave measuring equipment 21
The conduit of conveyor module and hydraulic control module is formed, i.e., form latticed support cap by conduit, the latticed conduit
On can be provided with multiple hydraulic control modules and the dryness electrode being fixedly connected with the hydraulic control module.
Fig. 3-2 is that another brain wave provided in an embodiment of the present invention measures electrode cap, and the brain wave measures electrode cap bag
Include：At least two brain wave measuring equipments 21, at least two signal acquisition modules 22；Each signal acquisition module 22 passes through signal
Gathering line is connected one to one with each brain wave measuring equipment 21, and each signal acquisition module can be obtained and the letter respectively
Eeg signal detected by the brain wave measuring equipment of number acquisition module connection, and the eeg signal is carried out further
Processing.
Example, shown in Fig. 3-2 brain wave measure electrode cap in, including four brain wave measuring equipments 211 to
214, and four signal acquisition modules 221 to 224, four brain wave measuring equipments 211 to 214 pass through signal acquisition line 23
Connected one to one with four signal acquisition modules 221 to 224, such as brain wave measuring equipment 211 and signal acquisition module
221 connections, brain wave measuring equipment 214 is connected with signal acquisition module 224.
Fig. 3-3 is that another brain wave provided in an embodiment of the present invention measures electrode cap, as shown in Fig. 3-3, the brain wave
Measuring electrode cap includes：At least two brain wave measuring equipments 21, the brain wave, which measures electrode cap, also to be included：Signal acquisition module
24；The signal acquisition module 24 is connected with each brain wave measuring equipment 21 respectively by signal acquisition line 23, the signal acquisition
Module 24 can gather and handle the eeg signal that at least two brain waves measuring equipment 21 is detected.
Example, shown in Fig. 3-3 brain wave measure electrode cap in, including four brain wave measuring equipments 211 to
214, and a signal acquisition module 24, the signal acquisition module 24 by signal acquisition line 23 respectively with four brain waves
Measuring equipment 211 to 214 connect, the signal acquisition module 24 can gather and handle four brain wave measuring equipments 211 to
214 eeg signals detected.
In summary, a kind of brain wave provided in an embodiment of the present invention measures electrode cap, and the brain wave measures electrode cap bag
Support cap, and the brain wave measuring equipment being arranged on the support cap are included, the wherein brain wave measuring equipment can not only be protected
The steady contact of dryness electrode and skin is demonstrate,proved, and interference electric wave when brain wave is measured can also be shielded, brain wave is improved
Accuracy in measurement.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (13)
1. a kind of brain wave measuring equipment, it is characterised in that described device includes：
Dryness electrode, and the hydraulic control module being fixedly connected with the dryness electrode；
The hydraulic control module is used to adjust the pressure between the dryness electrode and skin by conducting liquid.
2. device according to claim 1, it is characterised in that
The hydraulic control module is the liquid containing structure for being provided with cavity.
3. device according to claim 2, it is characterised in that described device also includes：
Liquid delivery module；
The liquid delivery module is connected with the hydraulic control module, for being conveyed in the cavity to the hydraulic control module
The conducting liquid.
4. device according to claim 3, it is characterised in that the liquid delivery module passes through conduit and the hydraulic pressure control
The cavity connection of molding block.
5. device according to claim 1, it is characterised in that the dryness electrode includes：
Microelectrode array and electrode load plate；
The side of the electrode load plate is provided with the microelectrode array, opposite side and the hydraulic control of the electrode load plate
Module is fixedly connected.
6. device according to claim 1, it is characterised in that the hydraulic control module by can the colloid of deformation be made.
7. device according to claim 6, it is characterised in that the hydraulic control module is made up of silica gel.
8. device according to claim 1, it is characterised in that the conducting liquid includes metal microparticle or ionization
At least one of son.
9. device according to claim 5, it is characterised in that the electrode in the microelectrode array is coated with nitridation for surface
The Ti electrode of titanium.
10. a kind of brain wave measures electrode cap, it is characterised in that the brain wave, which measures electrode cap, to be included：Support cap, Yi Jishe
Put the brain wave measuring equipment as described in claim 1 to 9 is any on the support cap.
11. brain wave according to claim 10 measures electrode cap, it is characterised in that be formed with the support cap multiple
The brain wave measuring equipment has been inserted on grid, each grid.
12. the brain wave according to claim 10 or 11 measures electrode cap, it is characterised in that the brain wave measures electrode
Cap includes：Brain wave measuring equipment described at least two, at least two signal acquisition modules；
Each signal acquisition module is connected one to one by signal acquisition line with each brain wave measuring equipment.
13. the brain wave according to claim 10 or 11 measures electrode cap, it is characterised in that the brain wave measures electrode
Cap includes：Brain wave measuring equipment described at least two, the brain wave, which measures electrode cap, also to be included：
Signal acquisition module；
The signal acquisition module is connected with each brain wave measuring equipment respectively by signal acquisition line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510657892.7A CN105105747B (en) | 2015-10-13 | 2015-10-13 | Brain wave measuring equipment and electrode cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510657892.7A CN105105747B (en) | 2015-10-13 | 2015-10-13 | Brain wave measuring equipment and electrode cap |
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| Publication Number | Publication Date |
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| CN105105747A CN105105747A (en) | 2015-12-02 |
| CN105105747B true CN105105747B (en) | 2017-09-29 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110072450B (en) * | 2018-02-28 | 2022-05-20 | 北京布润科技有限责任公司 | Bioelectricity collection electrode and electroencephalogram collection cap |
| CN108742604A (en) * | 2018-06-19 | 2018-11-06 | 苏州修普诺斯医疗器械有限公司 | Wear-type brain wave acquisition terminal and brain wave acquisition method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4967038A (en) * | 1986-12-16 | 1990-10-30 | Sam Techology Inc. | Dry electrode brain wave recording system |
| WO2007109745A2 (en) * | 2006-03-22 | 2007-09-27 | Emotiv Systems, Pty Ltd. | Electrode and electrode headset |
| TR201903768T4 (en) * | 2009-11-04 | 2019-04-22 | Koninklijke Philips Nv | A device for positioning electrodes on a user's scalp. |
| WO2012140629A1 (en) * | 2011-04-15 | 2012-10-18 | Universidade Do Porto | Polymer-based electrode for bio-signal recording |
| WO2013038285A1 (en) * | 2011-09-15 | 2013-03-21 | Koninklijke Philips Electronics N.V. | Eeg system and electrode pressure control system |
| WO2013059739A1 (en) * | 2011-10-19 | 2013-04-25 | Cognionics, Inc. | Apparatuses, systems and methods for biopotential sensing with dry electrodes |
| CN102894968B (en) * | 2012-10-30 | 2014-04-09 | 中国人民解放军第四军医大学 | Inflatable electrode system suitable for measuring human body electric signals |
| EP2740935A1 (en) * | 2012-12-05 | 2014-06-11 | Smartbrain | Fluid device |
| CN204351823U (en) * | 2014-12-26 | 2015-05-27 | 中山衡思健康科技有限公司 | Bio electricity collection uses dry electrode |
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