The dry electrode of the telescopic brain wave acquisition of brain electricity cap and system
Technical field
The present invention relates to brain wave acquisition technical fields, more particularly, to the dry electrode of the telescopic brain wave acquisition of brain electricity cap and are
System.
Background technique
Dry electrode is the interface that eeg collection system is in contact with brain, his function is perception brain electricity, and is converted
At the electric signal for being easy to measure and process;Since brain electricity is two interelectrode potential differences, in order to obtain an electric signal, then extremely
Two measuring electrodes are needed less.Currently, there are two types of common brain conductance connection modes: unipolar lead and bipolar lead.Both sides
Formula requires for float electrode to be placed on scalp, since the cerebral cortex of different people is different, requires to do electrode adjustment every time,
Extremely waste time;Sometimes due to electrode adjustment is bad, also feeling of pain can be brought to the scalp of people.
Summary of the invention
In view of this, reducing the purpose of the present invention is to provide the dry electrode of the telescopic brain wave acquisition of brain electricity cap and system
The step of making electrode adjustment to save the time, while reducing electrode pressure and giving scalp bring feeling of pain.
In a first aspect, the embodiment of the invention provides the dry electrodes of the telescopic brain wave acquisition of brain electricity cap, comprising: shell, screw,
Nut, multiple electrodes and spring;It is plugged in nut at the top of screw, the bottom of screw plugs in the electrodes, and spring is fitted in
The surrounding of nut;The outside of spring and the outside of electrode are fixed with shell.
Further, the top of nut is button shape, and bottom is groove-like.
Further, the top of electrode is the round table-like of hollow out;Uniformly arrange multiple downwardly convex in the bottom of electrode
Electrode contact head.
Further, spring, nut and screw include 316 stainless steel materials.
Further, electrode includes silver chloride electrode.
Further, the shape of spring is tower.
Further, shell includes PC material.
Further, the height of shell is 10mm;Total height is 14.5mm.
Second aspect, the embodiment of the invention provides the telescopic eeg collection systems of brain electricity cap, which includes above-mentioned
The dry electrode of the telescopic brain wave acquisition of brain electricity cap, further includes conductive unit and control unit;Conductive unit, for that will be stretched from brain electricity cap
The collected signal of the dry electrode of contracting formula brain wave acquisition is transferred to receiving end;Control unit, for adopting the telescopic brain electricity of brain electricity cap
Collect dry electrode to be retracted into shell.
Further, which further includes brain electricity cap, the shell in the dry electrode of the telescopic brain wave acquisition of brain electricity cap and brain electricity
Cap connection.
The embodiment of the present invention bring it is following the utility model has the advantages that
The dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention and system, the telescopic brain electricity of brain electricity cap are adopted
Collecting dry electrode includes: shell, screw, nut, multiple electrodes and spring;It is plugged in nut at the top of screw, the bottom of screw
It plugs in the electrodes, spring is fitted in the surrounding of nut;The outside of spring and the outside of electrode are fixed with shell.Pass through the party
Formula, operator reduce the step of making electrode adjustment, to save the time, while reducing electrode pressure and aching to scalp bring
Pain.
Other feature and advantage of the disclosure will illustrate in the following description, alternatively, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or by implement the disclosure above-mentioned technology it can be learnt that.
To enable the above objects, features, and advantages of the disclosure to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of the dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention;
Fig. 2 is the top view of the dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention;
Fig. 3 is the perspective view of the dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention;
Fig. 4 is the entity structure diagram of the dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention;
Fig. 5 is the structural schematic diagram of the telescopic eeg collection system of brain electricity cap provided in an embodiment of the present invention.
Icon:
1- shell;2- screw;3- nut;4- spring;5- electrode;6- brain electricity cap;The 50- telescopic brain wave acquisition of brain electricity cap is dry
Electrode.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Float electrode is placed on scalp at present, requires to do electrode adjustment every time, is based on this, the embodiment of the present invention mentions
The dry electrode of the telescopic brain wave acquisition of brain electricity cap and system of confession, it is possible to reduce the step of making electrode adjustment, to save the time, together
When reduce electrode pressure and give scalp bring feeling of pain.
To be adopted to the telescopic brain electricity of brain electricity cap disclosed in the embodiment of the present invention first convenient for understanding the present embodiment
Collect dry electrode to describe in detail.
Embodiment 1:
Fig. 1 is the main view of the dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention.
Referring to Fig. 1, the dry electrode of the telescopic brain wave acquisition of brain electricity cap includes: shell 1, screw 2, nut 3, electrode 5 and spring
4;The top of screw 2 is plugged in nut 3, and the bottom of screw 2 is plugged in electrode 5, and spring 4 is fitted in the surrounding of nut 3;Bullet
The outside of spring 4 and the outside of electrode 5 are fixed with shell 1.
Specifically, above-mentioned electrode 5 is used to contact the contact surface of human body scalp, generally reacts corresponding with two electrodes 5
The neural electrical activity of brain area records the potential difference between two float electrodes.Screw 2, nut 3 and electrode 5, which can play, leads
Alive effect is conducting to external equipment by screw 2 and nut 3 when electrode 5 collects the signal on human body scalp;By
It in shell 1 under the action of spring 4, can move up and down, so protecting human body scalp from being compromised when pressure is excessive
Effect;Meanwhile the shell 1 can play fixed 5 position of electrode so that it will not convert easily, so, in the brain of different people
Cortex can make more electrode contacts touch human body scalp surface using the retractility of spring 4, it is made to contact scalp
The pressure on surface can achieve it is small as far as possible, also can be bigger to the protection of human body.Situations many in patient in this way does not have to every
The secondary position for all replacing electrode contact, can save more times.
The dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention, the dry electricity of the telescopic brain wave acquisition of brain electricity cap
Pole includes: shell, screw, nut, multiple electrodes and spring;It is plugged in nut at the top of screw, the bottom of screw is plugged in
In electrode, spring is fitted in the surrounding of nut;The outside of spring and the outside of electrode are fixed with shell.By this way, it operates
Personnel reduce the step of making electrode adjustment, to save the time, while reducing electrode pressure and giving scalp bring feeling of pain.
Embodiment 2:
Fig. 2 is the top view of the dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention.
Referring to fig. 2, the top of nut 3 is button shape, and bottom is groove-like;The bottom of nut 3 be made into groove-like be in order to
It can link together with the top of screw 2, so that they can be very good to be engaged togather, specifically, described in the present invention
Screw 2 and nut 3 are all customizations, allow to connect well;The top of nut 3 is made into button shape, convenient and outer
Portion's equipment (brain electricity cap) connection.The material of screw 2 and nut 3 be stainless steel material, stainless steel material include 304 stainless steels and
316 stainless steels, in the ingredient of two kinds of stainless steels, 316 stainless steels are more stronger than 304 stainless steel high temperature resistances, add molybdenum element
316 stainless steels can make 316 stainless steels obtain a kind of erosion-resisting special construction, in addition 316 stainless steels are mainly used for food
Industry and surgical apparatus;Since compared with 304 stainless steels, 316 stainless steels have better resisting chlorides corrosive power, so this
Screw 2 and nut 3 in invention select 316 stainless steel materials.
Fig. 3 is the perspective view of the dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention.
Referring to Fig. 3, the top of electrode 5 is the round table-like of hollow out, so that the bottom of screw 2 can be inserted in the top of electrode 5;
It uniformly arranges multiple downwardly convex electrode contact heads the bottom of electrode, it can be seen that exemplary electrode contact head has 8 in figure
A, this is merely illustrative, and can formulate the number of electrode contact head according to the actual situation.Since silver chloride electrode is in high temperature
With the solubility of very little, high stability and reversibility in high pressure water solution system, and even if with the presence of hydrogen the case where
Lower electrode surface can also be protected well, these features are all that other electrodes are incomparable, therefore this electrode 5 selects chlorine
Change silver electrode.
Preferably due to the benefit of 316 stainless steels be described above, so the material selection 316 of spring 4 is stainless
Steel;Spring 4 is fitted in the surrounding of nut 3, and the outside of spring 4 and the outside of electrode 5 are fixed with shell;It is tower inside spring 4
, the position that such spring 4 can play fixed electrode 5 will not convert easily, can also not have in different cerebral cortexes
The position of electrode 5 is adjusted every time, and spring 4 can be such that shell 1 moves up and down, there can be more electrode contact heads to touch in this way
Scalp surface, so that the result of test is more accurate, also the adjustable pressure to scalp surface is to protect scalp surface.Specifically
Ground, the coefficient of elasticity of spring 4 are that preparatory test is good, spring 4 are all changed without testing every time, when so that operator saving
Between, the height of tower spring is 4mm, and upper radius is 2.5mm, and lower radius is 5mm, line footpath 0.6mm.
Further, shell 1 is preferably PC material, because PC (Polycarbonate, polycarbonate) is a kind of comprehensive
The excellent armorphous thermoplastic resin of energy, has excellent electrical insulating property, extensibility, dimensional stability and chemical corrosion resistance,
Higher intensity, heat resistance and cold resistance;Also have many advantages, such as self-extinguishment, fire-retardant, nontoxic, pigmentable, in addition with metal phase ratio, PC
Material weight is lighter, so that the present invention is unlikely to oppress scalp surface, mitigates the pressure to scalp surface.Shell 1 is cylinder
Body, height 10mm, diameter 13mm;Total height is 14.5mm.
Since the cerebral cortex of different people is different, so increasing its retractility using spring, make its electricity as much as possible
Pole contact head contacts scalp surface, while tower spring can be such that the pressure of contact surface reaches with the height of adjustable spring line footpath
It is as small as possible, play a protective role to human body also bigger, entire design for the ease of promoting electric conductivity, use silver chlorate with
Stainless steel mixed structure, as small as possible with constantly electrode weight, casing part uses PC plastic material.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Fig. 4 is the entity structure diagram of the dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention.
Referring to fig. 4, with reference to above, it can be seen that the very little of shape fabricating of the invention, the material of use are all as far as possible
Be it is very light, the pressure that such scalp surface is subject to can be small as far as possible, reduces the feeling of pain of human body.Preferably, shell 1,
Screw 2, nut 3, electrode 5 and spring 4 can be dismantled, and operator is facilitated to clean.
The dry electrode of the telescopic brain wave acquisition of brain electricity cap provided in an embodiment of the present invention, the dry electricity of the telescopic brain wave acquisition of brain electricity cap
Pole includes: shell, screw, nut, multiple electrodes and spring;It is plugged in nut at the top of screw, the bottom of screw is plugged in
In electrode, spring is fitted in the surrounding of nut;The outside of spring and the outside of electrode are fixed with shell.By this way, it operates
Personnel reduce the step of making electrode adjustment, to save the time, while reducing electrode pressure and giving scalp bring feeling of pain.
Embodiment 3:
Fig. 5 is the structural schematic diagram of the telescopic eeg collection system of brain electricity cap provided in an embodiment of the present invention.
Referring to Fig. 5, it further includes conductive unit and control which, which includes the above-mentioned dry electrode of the telescopic brain wave acquisition of brain electricity cap,
Unit processed;Conductive unit, for brain electricity cap will to be transferred to from the collected signal of the dry electrode of the telescopic brain wave acquisition of brain electricity cap;Control
Unit processed, for the dry electrode of the telescopic brain wave acquisition of brain electricity cap to be retracted into shell;The dry electricity of the telescopic brain wave acquisition of brain electricity cap
Shell in extremely is connect with brain electricity cap.It should be noted that conductive unit includes nut 3 and screw 2;Control unit includes spring
4;The collected signal of electrode 5 is transferred to a hardware device on single-chip microcontroller by conductive unit, and control unit is a spring
And partition, so that electrode 5 moves up and down (shell is mobile).
Specifically, it by the connection of silver chloride electrode and screw and nut, carries out conductive;External cylindrical body plays fixation
Effect, column top are designed to button shape, more convenient can connect with brain electricity cap and be acquired signal.
Further, this system further includes utilizing acquisition and processing of the chip microcontroller to EEG signals, and pass through liquid crystal
Display shows brain wave patterns.The system mainly includes that following circuit is realized:
1, pre-amplification circuit, for extracting EEG signals from strong noise background;
2, bandwidth-limited circuit, the signal for passing through the electrocardiosignal of frequency 0.05-100Hz, other than the range
It will significantly attenuate;
3,50Hz pinches wave circuit, for filtering 50Hz Hz noise;
4, main amplifying circuit, the EEG signals for amplifying prime are amplified again;
5, A/D conversion circuit, for by system acquisition to analog signal be converted to digital signal;
6, single-chip microcontroller and LCD display output circuit, for handling collected data and exporting.
The telescopic eeg collection system of brain electricity cap provided in an embodiment of the present invention, the dry electrode of the telescopic brain wave acquisition of brain electricity cap
It include: shell, screw, nut, multiple electrodes and spring;It is plugged in nut at the top of screw, the bottom of screw is plugged in electricity
In extremely, spring is fitted in the surrounding of nut;The outside of spring and the outside of electrode are fixed with shell.By this way, operator
Member reduces the step of making electrode adjustment, to save the time, while reducing electrode pressure and giving scalp bring feeling of pain.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
The computer program product of the telescopic eeg collection system of brain electricity cap is carried out provided by the embodiment of the present invention, including
Store the computer readable storage medium of the executable non-volatile program code of processor, the finger that said program code includes
Order can be used for executing previous methods method as described in the examples, and specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided by the present invention, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features;And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.