CN209220274U - A kind of high-precision antioxidant accuracy electrode - Google Patents
A kind of high-precision antioxidant accuracy electrode Download PDFInfo
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- CN209220274U CN209220274U CN201820810570.0U CN201820810570U CN209220274U CN 209220274 U CN209220274 U CN 209220274U CN 201820810570 U CN201820810570 U CN 201820810570U CN 209220274 U CN209220274 U CN 209220274U
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Abstract
The utility model discloses a kind of high-precision antioxidant accuracy electrodes, belong to high-precision electrode field.A kind of high-precision antioxidant accuracy electrode, substrate material are aluminium, and surface is coated with golden material coating, and this processing mode not only can ensure that the electric conductivity of electrode body, but also can enhance its inoxidizability, enable to be used for a long time.There is chassis for fixing in its outside of electrode body, stable pedestal can be formed in the empty place of Correspondence lead on brain electricity cap, it can not only firmly fix in this way, but also allow in special circumstances to unload electrode section needing to reduce lead number etc., realize modularization, specialization.
Description
Technical field
The utility model relates to high-precision electrode fields, more specifically to a kind of high-precision antioxidant accuracy electricity
Pole.
Background technique
Electrode for encephalograms is used to the contact terminal of acquisition EEG signals, it will usually contact with scalp, in the auxiliary of conductive paste
It helps down, the EEG signals in the area You Fa can be passed to acquisition equipment by electrode for encephalograms, and then make further dividing to EEG signals
Analysis is possibly realized.Its basic demand has: material itself to have preferable electric signal conductibility, can with brain electricity cap corresponding hole site compared with
Combine well, anti-oxidant and price cannot prohibitively expensive, operation will conveniently, time saving, wearing want easy comfortable etc..
Two kinds of electrodes dry and wet can be used according to different situations in the acquisition of EEG signals, dry electrode is main at this stage
It can be used for Wu Faqu, it is the easiest with patch type at present, it can guarantee its signal matter collected again while easy to use
Amount.But in the area You Fa at present still based on wet electrode, the utility model is a kind of more scientific universal Wet-dry electrode
Scheme.
Since people further go deep into the research and application of EEG signals in recent years, EEG measuring equipment is proposed more
High more detailed requirement.EEG signals voltage magnitude is often minimum, and poor contact or shaking all can greatly influence signal matter
Amount, therefore new electrode is answered more stable, more accurate, while meeting the additional conditions such as easy, comfortable.It can be with different type brain electricity
Cap successfully combines and stably measured EEG signals, while also wanting easy to use, easy to operate time saving, cheap.
Utility model content
1. technical problems to be solved
For the dry electrode existing in the prior art used in the area You Fa and existing mushroom tip electrode comfort level or connect
It is not good enough to touch characteristic；Require supplementation with conductive paste in use in the wet electrode that the area You Fa uses, need to raise when injecting conductive paste or
Pull-up electrode will affect other leads contact situation in this way and increase inconvenience；The electrode material inoxidizability of some electrodes is not good enough,
It will affect its electric conductivity after long-term use, introduce unnecessary noise；Some electrodes cannot effectively connect at positions such as hindbrains
Touching；Using the methods of plating film forming, film surface is coarse for the contact finishing coat of partial electrode, and base material adhesiveness is bad asks
Topic.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of high-precision antioxidant accuracy electrode, including electrode body, inside the electrode body and under screw rod knob
End is threadedly coupled, and is threadedly coupled outside the electrode body with chassis, and lower end is flexibly connected with fixed disk outside the chassis；
The electrode body is internally provided with cylindrical cavity, and electrode external screw thread, institute are provided with outside the electrode body
It states electrode body lower end and is provided with electrode tip, middle part is provided with conductive paste extrusion cavities, the cylindrical empty inside the electrode tip
Bottom of chamber portion is fixedly connected with electrode tip upper surface；
The screw rod knob includes knob cap and screw rod, is fixedly connected in the middle part of the knob cap lower surface with screw rod upper end,
The screw rod outer surface is provided with external thread of screw, and the screw rod lower end is provided with compressive plane；
The chassis includes upper column casing, pedestal and lower column casing, and the upper column casing lower end is fixedly connected with base upper surface, institute
It states base lower surface to be fixedly connected with lower column casing upper end, the base lower surface is additionally provided with pedestal stationary plane, the upper column casing
Internal two sides are provided with opposite inboard track, and base upper surface edge side is provided with bonding wire disk, outside the lower column casing
Surface two sides are provided with the tooth A that is relatively fixed, and the inboard track matches with electrode external screw thread；
Fixed disk inner wall two sides are provided with the tooth B that is relatively fixed, and the fixed tooth A matches with fixed tooth B.
Preferably, be threadedly coupled outside the screw rod with sealing block, the compressive plane upper surface left and right sides all with stretching
Spring is fixedly connected, and is fixedly connected at left and right sides of the extension spring other end and electrode body inside upper surface, the extruding
It is fixedly connected on the right side of the lower surface of face with fixed link upper end, the fixed link internal activity is socketed with stabiliser bar, the stabiliser bar bottom
End is fixedly connected with rotating bar right end, is fixedly connected on the downside of the rotating bar right end with fixed spring upper end, the fixed spring
Lower end is fixedly connected with electrode body bottom inner surface, and the rotating bar left end is fixedly connected with control valve upper end, the control
Valve matches with conductive paste extrusion cavities.
Preferably, the fixed link internal activity is socketed with stabiliser bar, and the left and right sides is provided with cunning inside the fixed link
Rail, the sliding rail upper and lower ends are provided with fixing groove, are fixedly installed with spring, the spring or so inside the stabiliser bar upper end
Both ends are fixedly connected with bayonet lock one end, and the bayonet lock matches with fixing groove.
Preferably, the electrode external screw thread is deep using 1mm, 2mm wide, and cross section is the customization size of rectangular channel, described to lead
The pore size of electric cream extrusion cavities is set as 1mm diameter.
Preferably, the electrode tip lower surface is provided with one layer of Gold plated Layer, and the Gold plated Layer is made of magnetron sputtering method.
Wherein, the magnetron sputtering method the following steps are included:
Three S1, switch power supply case air switches, are from left to right followed successively by circulation water dispenser, and magnetron sputtering respectively taps socket
It is spaced apart；Compressed air pump is started to work at this time, has set air pressure upper limit 0.8MPa, 0.4MPa to be evacuated to, each operated pneumatic valve work
The lowest pressure of work, can open cycle water dispenser, then open the master switch of magnetron sputtering apparatus electrical power control cabinet；Target and substrate peace
After installing, with general-purpose table look-up target and shielding case, whether chip bench is shorted with chamber, starts to vacuumize；
S2, pre- pumping: opening mechanical pump, and fore pump is first taken out in molecular pump pipeline to pressure < 5Pa-8Pa；
S3, pumping chamber: step valve before closing opens bypass valve, and charge valve takes out reaction chamber to pressure < 5Pa-8Pa；Close bypass valve
Step valve and main valve, open molecular pump for cavity and are evacuated to the E-4Pa order of magnitude before opening, and open heater heating, and vacuum degree can rise when heating,
It is evacuated to E-4Pa；
S4, ionization gauge is closed, closes throttle valve, lead to argon gas, valve control middle position will reached on the right of gas flowmeter, first carry out target
5min-8min is cleaned, then carries out substrate with bipolar pulse power supply or radio-frequency power supply and cleans, cleans 15min-20min, opens target gear
Plate and substrate baffle plate start-up operation work；
S5, plated film terminate: stopping argon gas, throttle opening continues pumping chamber, waits cooling；It takes substrate: being cooled to 80 or less,
Main valve is closed, molecular pump is closed, molecular pump drops to 0 by 450, waits 2min, and step valve before closing, open air valve slowly deflates and reaches chamber
External atmosphere pressure；
S6, chamber is extracted into 10Pa or less, to protect chamber interior device.Close mechanical pump and control cabinet master switch.Guan Leng
Three are spaced apart and all turn off by but water.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) the utility model devises a kind of novel electrode for encephalograms suitable for the area You Fa, and substrate material is aluminium, table
Face is coated with golden material coating, and this processing mode not only can ensure that the electric conductivity of electrode body, but also can enhance its inoxidizability, is allowed to
It can be used for a long time.There is chassis for fixing in its outside of electrode body, can be formed at the cavity of Correspondence lead on brain electricity cap
Stable pedestal can not only firmly fix in this way, but also allow needing to reduce lead number etc. in special circumstances for electrode section
It unloads, realizes modularization, specialization；There is the dentalation of threadingly direction processing in fixed disk, allows user that can pass through rotation
That carrys out coordination electrode gos deep into degree, it is ensured that the electrode depth degree of different location all reaches desired value on brain electricity cap.Cylindrical empty
Intracavitary to store a certain amount of conductive paste, inner wall still uses Design of Screw Thread, and permission operator so gently moves spiral shell with finger
Bar knob and accurately control injection conductive paste amount.Electrode tip uses wider spherical design to increase comfort level and ensure to contact
Effect, the contact surface are processed on the basis of aluminium material using craft of gilding, and gold coatings use magnetically controlled sputter method, film forming
Technique is more preferably.The above design is also easy to control in use process, also ensures electrode material so that electrode dismounting is more convenient
Inoxidizability and electric conductivity.Mobile screw knob inject conductive paste operating process under the premise of not influencing other leads more
Easy to be time saving, radius tip can to wear more comfortable.Above several aspects ensure the performance of this money brain electricity cap electrode,
So that collected EEG signals better quality, more conducively subsequent analysis and processing.
(2) in the utility model electrode material be electric conductivity preferably and lighter weight aluminium material, outer layer is gold-plated, with increase
Strong anti-oxidation.Mobile screw knob, that is, extrudable conductive paste in use process keeps Correspondence lead contact more preferable.Electrode tip bottom
Spherical surface contacted with scalp, can guarantee and not cause the discomforts such as pain in the case where contacting good situation.At conductive paste extrusion cavities center
The aperture of the 1mm diameter conductive paste intracavitary for cylindrical empty flows out under the pressure of screw rod knob, and the conductive paste of extrusion can be attached
In the position of skin surface Correspondence lead, reduce contact impedance.The above design is not so that squeezing out the process of conductive paste can move
It electrode itself or even completes in the case where dropping brain electricity cap, it is easy to operate and time saving, facilitate operator and mitigates subject personnel's
Burden.Electrode external screw thread is customization size: 1mm is deep, and 2mm wide, cross section is rectangular channel, mainly facilitates electrode body in chassis base
Fixation on seat.In addition, electrode can achieve the effect that push aside by rotation hair and flexible, can ensure to a greater extent
Electrode surface touches scalp, and the mode of rotation is conducive to control operating position, and convenient for tearing open easily when needing to reduce lead number
It removes；
(3) the utility model with brain electricity cap for convenience of being connected, and there are also chassis in addition to electrode body and screw rod knob for electrode
Part, the tubular structure of chassis portion are convenient for the positioning of electrode body and stretch, and the pedestal stationary plane outside tubular structure is for even
Conducting wire is connect, to transmit signal, chassis lower end can pass through the hole location of brain electricity cap Correspondence lead, in combination by another torsion disk and solid
Fixed, this mode can simply and effectively fix electrode chassis, and then ensure electrode body accurate positioning, stabilization；
(4) the utility model cylindrical cavity can theoretically store 0.84ml conductive paste, for each lead at one section
Between persistently use, and its cruising ability is sustainable tests for several times, and more time cleaning brain electricity will be expended by avoiding experiment every time
Cap and the process for beating conductive paste.The given amounts of conductive paste can be controlled artificially in each lead in single experiment, easy to use.Lead
Line is connected on pedestal stationary plane, be can ensure that low noise and is accurately transmitted EEG signals.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model；
Fig. 3 is the part enlarged structure schematic diagram of the utility model；
Fig. 4 is the partial top structural schematic diagram of the utility model；
Fig. 5 is the pedestal side structure schematic view of the utility model；
Fig. 6 is the schematic perspective view of the utility model；
Fig. 7 is the pedestal overlooking structure diagram of the utility model；
Fig. 8 is the pedestal present invention looks up structural representation of the utility model；
Fig. 9 is the electrode impedance-frequency curve chart of the utility model；
Figure 10 is the electrode impedance-frequency curve chart of the utility model；
Figure 11 is the electrode impedance-frequency curve gradual change figure of the utility model；
Figure 12 is the electrode impedance-frequency curve gradual change figure of the utility model；
Figure 13 is the contact impedance kilo-ohm rank figure of the common dry-type electrode of the utility model；
Figure 14 is the contact impedance kilo-ohm rank figure of the common dry-type electrode of the utility model；
Figure 15 is the collected EEG signals figure of the Different electrodes of the utility model.
Figure label explanation:
1 knob cap, 2 screw rods, 3 external thread of screw, 4 compressive planes, 5 electrode bodies, 6 electrode external screw threads, 7 conductive pastes squeeze out
Hole, 8 pedestals, 9 fixed tooth A, 10 lower column casings, 11 inboard tracks, 12 bonding wire disks, 13 fixed tooth B, 14 fixed disks, column casing, 16 on 15
Electrode tip, 17 electrode internal screw threads, 18 cylindrical cavities, 19 chassis, 20 screw rod knobs, 21 pedestal stationary planes, 22 sealing blocks, 23 are drawn
Stretch spring, 24 rotating bars, 25 stabiliser bars, 26 fixing grooves, 27 sliding rails, 28 bayonet locks, 29 springs, 30 control valves, 31 fixed springs.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model；The technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe；Obviously；The described embodiments are only a part of the embodiments of the utility model；Rather than whole
Embodiment.Based on the embodiments of the present invention；Those of ordinary skill in the art are without making creative work
Every other embodiment obtained；It fall within the protection scope of the utility model.
Embodiment 1:
Please refer to Fig. 1-10, a kind of high-precision antioxidant accuracy electrode, including electrode body 5,5 inside of electrode body with
The connection of 20 lower thread of screw rod knob, 5 outside of electrode body are threadedly coupled with chassis 19,19 outside lower end of chassis and fixed disk 14
It is flexibly connected；
Electrode body 5 is internally provided with cylindrical cavity 18, and electrode external screw thread 6, electrode master are provided with outside electrode body 5
5 lower end of body is provided with electrode tip 16, and 16 inside middle part of electrode tip is provided with conductive paste extrusion cavities 7,18 bottom of cylindrical cavity with
16 upper surface of electrode tip is fixedly connected；
Screw rod knob 20 includes knob cap 1 and screw rod 2, is fixedly connected in the middle part of 1 lower surface of knob cap with 2 upper end of screw rod, spiral shell
2 outer surface of bar is provided with external thread of screw 3, and 2 lower end of screw rod is provided with compressive plane 4；
Chassis 19 includes upper column casing 15, pedestal 8 and lower column casing 10, and upper 15 lower end of column casing is fixedly connected with 8 upper surface of pedestal,
8 lower surface of pedestal is fixedly connected with lower 10 upper end of column casing, and 8 lower surface of pedestal is additionally provided with pedestal stationary plane 21, in upper column casing 15
Portion two sides are provided with opposite inboard track 11, and 8 top surface edge side of pedestal is provided with bonding wire disk 12, lower 10 outer surface of column casing
Two sides are provided with the tooth A9 that is relatively fixed, and inboard track 11 matches with electrode external screw thread 6；
14 inner wall two sides of fixed disk are provided with the tooth B13 that is relatively fixed, and fixed tooth A9 matches with fixed tooth B13.
2 outside of screw rod is threadedly coupled with sealing block 22, is all fixed and is connected with extension spring 23 at left and right sides of 4 upper surface of compressive plane
Connect, be fixedly connected at left and right sides of 23 other end of extension spring and electrode body 5 inside upper surface, on the right side of 4 lower surface of compressive plane with
17 upper end of fixed link is fixedly connected, and 17 internal activity of fixed link is socketed with stabiliser bar 25, and 25 bottom end of stabiliser bar and rotating bar 24 are right
End is fixedly connected, and is fixedly connected on the downside of 24 right end of rotating bar with 31 upper end of fixed spring, 31 lower end of fixed spring and electrode body 5
Bottom inner surface is fixedly connected, and 24 left end of rotating bar is fixedly connected with 30 upper end of control valve, control valve 30 and conductive paste extrusion cavities 7
Match.
17 internal activity of fixed link is socketed with stabiliser bar 25, and the 17 inside left and right sides of fixed link is provided with sliding rail 27, sliding rail
27 upper and lower ends are provided with fixing groove 26, and spring 29,29 left and right ends of spring and card are fixedly installed with inside 25 upper end of stabiliser bar
28 one end of pin is fixedly connected, and bayonet lock 28 matches with fixing groove 26.
Electrode external screw thread 6 is deep using 1mm, 2mm wide, and cross section is the customization size of rectangular channel, the hole of conductive paste extrusion cavities 7
Diameter is dimensioned to 1mm diameter.
16 lower surface of electrode tip is provided with one layer of Gold plated Layer, and Gold plated Layer is made of magnetron sputtering method.
Magnetron sputtering method the following steps are included:
Three S1, switch power supply case air switches, are from left to right followed successively by circulation water dispenser, and magnetron sputtering respectively taps socket
It is spaced apart；Compressed air pump is started to work at this time, has set air pressure upper limit 0.8MPa, 0.4MPa to be evacuated to, each operated pneumatic valve work
The lowest pressure of work, can open cycle water dispenser, then open the master switch of magnetron sputtering apparatus electrical power control cabinet；Target and substrate peace
After installing, with general-purpose table look-up target and shielding case, whether chip bench is shorted with chamber, starts to vacuumize；
S2, pre- pumping: opening mechanical pump, and fore pump is first taken out in molecular pump pipeline to pressure < 5Pa-8Pa；
S3, pumping chamber: step valve before closing opens bypass valve, and charge valve takes out reaction chamber to pressure < 5Pa-8Pa；Close bypass valve
Step valve and main valve, open molecular pump for cavity and are evacuated to the E-4Pa order of magnitude before opening, and open heater heating, and vacuum degree can rise when heating,
It is evacuated to E-4Pa；
S4, ionization gauge is closed, closes throttle valve, lead to argon gas, valve control middle position will reached on the right of gas flowmeter, first carry out target
5min-8min is cleaned, then carries out substrate with bipolar pulse power supply or radio-frequency power supply and cleans, cleans 15min-20min, opens target gear
Plate and substrate baffle plate start-up operation work；
S5, plated film terminate: stopping argon gas, throttle opening continues pumping chamber, waits cooling；It takes substrate: being cooled to 80 or less,
Main valve is closed, molecular pump is closed, molecular pump drops to 0 by 450, waits 2min, and step valve before closing, open air valve slowly deflates and reaches chamber
External atmosphere pressure；
S6, chamber is extracted into 10Pa or less, to protect chamber interior device.Close mechanical pump and control cabinet master switch.Guan Leng
Three are spaced apart and all turn off by but water.
Embodiment 2:
The utility model is aluminium, table devising a kind of novel electrode for encephalograms suitable for the area You Fa, substrate material
Face is coated with golden material coating, and this processing mode not only can ensure that the electric conductivity of electrode body 5, but also can enhance its inoxidizability, makes
Can be used for a long time.There is chassis 19 for fixing in its outside of electrode body 5, can be on brain electricity cap at the cavity of Correspondence lead
Stable pedestal is formed, can not only be firmly fixed in this way, but also allows needing to reduce lead number etc. in special circumstances for electrode
Part is unloaded, and realizes modularization, specialization；There is the dentalation of threadingly direction processing in fixed disk 14, user can lead to
What overwinding transferred coordination electrode gos deep into degree, it is ensured that the electrode depth degree of different location all reaches desired value on brain electricity cap.Circle
A certain amount of conductive paste can be stored in cylindrical cavity 18, inner wall still uses Design of Screw Thread, and permission operator in this way is light with finger
Light mobile screw knob 20 and the amount for accurately controlling injection conductive paste.It is comfortable to increase that electrode tip 16 uses wider spherical design
It spends and ensures to contact effect, which is processed on the basis of aluminium material using craft of gilding, and gold coatings use magnetic control
Sputtering method, film-forming process is more preferably.The above design is also easy to control in use process, also protected so that electrode dismounting is more convenient
The inoxidizability and electric conductivity of electrode material are demonstrate,proved.The operating process that mobile screw knob 20 injects conductive paste is not influencing other
More easy to be time saving under the premise of lead, radius tip 16 can to wear more comfortable.Above several aspects ensure this
The performance of money brain electricity cap electrode, so that collected EEG signals better quality, more conducively subsequent analysis and processing；
In the utility model electrode material be electric conductivity preferably and lighter weight aluminium material, outer layer is gold-plated, with enhancing
Inoxidizability.Mobile screw knob 19 is extrudable conductive paste in use process, keeps Correspondence lead contact more preferable.16 bottom of electrode tip
The spherical surface in portion is contacted with scalp, be can guarantee and is not caused the discomforts such as pain in the case where contacting good situation.7 center of conductive paste extrusion cavities
Conductive paste of the aperture of place's 1mm diameter in cylindrical cavity 18 flows out under the pressure of screw rod knob 19, the conduction of extrusion
Cream can be attached to the position of skin surface Correspondence lead, reduce contact impedance.The above design is so that the process for squeezing out conductive paste can be
It traveling electrode itself or even does not complete in the case where dropping brain electricity cap, it is easy to operate and time saving, facilitate operator and mitigates subject
The burden of personnel.Electrode external screw thread 6 is customization size: 1mm is deep, and 2mm wide, cross section is rectangular channel, mainly facilitates electrode body 5
Fixation on 19 pedestal of chassis.In addition, electrode can achieve the effect that push aside by rotation hair and flexible, it can be bigger
Ensure that electrode surface touches scalp in degree, the mode of rotation is conducive to control operating position, and convenient for needing to reduce lead
It is removed easily when number；
For convenience of being connected with brain electricity cap, there are also 19 part of chassis, chassis in addition to electrode body 5 and screw rod knob 20 for electrode
The tubular structure of 19 parts is convenient for the positioning of electrode body 5 and stretches, and the pedestal stationary plane 21 outside tubular structure is led for connection
Line, to transmit signal, 19 lower end of chassis can pass through the hole location of brain electricity cap Correspondence lead, in combination by another torsion disk and fixed,
This mode can simply and effectively fix electrode chassis, and then ensure electrode body accurate positioning, stabilization；
Cylindrical cavity 18 can theoretically store 0.84ml conductive paste, persistently use for each lead in a period of time,
And its cruising ability is sustainable tests for several times, more time cleaning brain electricity cap will be expended and beat conductive paste by avoiding experiment every time
Process.The given amounts of conductive paste can be controlled artificially in each lead in single experiment, easy to use.Conducting wire is connected to pedestal
On stationary plane 21, it can ensure that low noise and accurately transmit EEG signals.
Embodiment 3:
It is reference that the utility model, which is directed to the performance test of electrode with disposable measuring electrode standard, via electrochemical operation
The impedance-frequency curve of designed electrode can be measured by standing, and be illustrated in fig. 8 shown below, other advanced products of part can be accomplished with frequency
Variation gradual change such as Fig. 9 between tens Dao several kilo-ohms, and the contact impedance of common dry-type electrode is kilo-ohm rank such as Figure 10.From figure
As can be seen that electrode contact impedance is about 1k Ω, and impedance can reduce as frequency increases, and performance is stablized in low-frequency range
Reliably；
This money electrode can be completed the production in the utility model with lower price, and the cambered surface design of electrode head can guarantee
Comfort avoids discomfort.Its impedance is low, can preferably guarantee the EEG signals quality of acquisition, will in electrode performance test
The utility model electrode commonly pastes type patch electrode and novel sponge electrode is placed in Fp1 side by side, obtains Different electrodes and is collected
EEG signals it is as shown in Figure 10, be followed successively by the corresponding waveform of this electrode from top to bottom, patch electrode corresponds to waveform, sponge electrode pair
Answer waveform.Its signal degree of correlation is higher, illustrates that the novel electrode performance better than common patch electrode, has reached preferable measurement effect
Fruit.
It is described above；The only preferable specific embodiment of the utility model；But the protection scope of the utility model is not
It is confined to this；Anyone skilled in the art is within the technical scope disclosed by the utility model；It is practical according to this
Novel technical solution and its improvement design is subject to equivalent substitution or change；It should all cover in the protection scope of the utility model
It is interior.
Claims (5)
1. a kind of high-precision antioxidant accuracy electrode, including electrode body (5), it is characterised in that: in the electrode body (5)
Portion is connect with screw rod knob (20) lower thread, is threadedly coupled outside the electrode body (5) with chassis (19), the chassis
(19) external lower end is flexibly connected with fixed disk (14)；
The electrode body (5) is internally provided with cylindrical cavity (18), and the outer spiral shell of electrode is provided with outside the electrode body (5)
Line (6), electrode body (5) lower end are provided with electrode tip (16), and the internal middle part of the electrode tip (16) is provided with conductive paste
Extrusion cavities (7), cylindrical cavity (18) bottom are fixedly connected with electrode tip (16) upper surface；
The screw rod knob (20) includes knob cap (1) and screw rod (2), in the middle part of knob cap (1) lower surface and on screw rod (2)
End is fixedly connected, and screw rod (2) outer surface is provided with external thread of screw (3), and screw rod (2) lower end is provided with compressive plane
(4)；
The chassis (19) includes upper column casing (15), pedestal (8) and lower column casing (10), upper column casing (15) lower end and pedestal
(8) upper surface is fixedly connected, and pedestal (8) lower surface is fixedly connected with lower column casing (10) upper end, pedestal (8) lower surface
It is additionally provided with pedestal stationary plane (21), the internal two sides of upper column casing (15) are provided with opposite inboard track (11), the bottom
Seat (8) top surface edge side is provided with bonding wire disk (12), and lower column casing (10) the outer surface two sides, which are provided with, to be relatively fixed
Tooth A(9), the inboard track (11) matches with electrode external screw thread (6)；
Fixed disk (14) the inner wall two sides are provided with the tooth B(13 that is relatively fixed), the fixed tooth A(9) and fixed tooth B(13)
Match.
2. a kind of high-precision antioxidant accuracy electrode according to claim 1, it is characterised in that: the screw rod (2) is outside
Portion is threadedly coupled with sealing block (22), is all fixedly connected with extension spring (23) at left and right sides of compressive plane (4) upper surface, institute
It states and is fixedly connected at left and right sides of extension spring (23) other end and electrode body (5) inside upper surface, compressive plane (4) following table
Right side of face is fixedly connected with fixed link (17) upper end, and fixed link (17) internal activity is socketed with stabiliser bar (25), described steady
Fixed pole (25) bottom end is fixedly connected with rotating bar (24) right end, on the downside of rotating bar (24) right end and fixed spring (31) upper end
It is fixedly connected, fixed spring (31) lower end is fixedly connected with electrode body (5) bottom inner surface, and the rotating bar (24) is left
End is fixedly connected with control valve (30) upper end, and the control valve (30) matches with conductive paste extrusion cavities (7).
3. a kind of high-precision antioxidant accuracy electrode according to claim 2, it is characterised in that: the fixed link (17)
Internal activity is socketed with stabiliser bar (25), and the internal left and right sides of the fixed link (17) is provided with sliding rail (27), the sliding rail
(27) upper and lower ends are provided with fixing groove (26), are fixedly installed with spring (29), the bullet inside stabiliser bar (25) upper end
Spring (29) left and right ends are fixedly connected with bayonet lock (28) one end, and the bayonet lock (28) matches with fixing groove (26).
4. a kind of high-precision antioxidant accuracy electrode according to claim 1, it is characterised in that: the electrode external screw thread
(6) deep using 1mm, 2mm wide, cross section is the customization size of rectangular channel, the pore size setting of the conductive paste extrusion cavities (7)
For 1mm diameter.
5. a kind of high-precision antioxidant accuracy electrode according to claim 1, it is characterised in that: the electrode tip (16)
Lower surface is provided with one layer of Gold plated Layer, and the Gold plated Layer is made of magnetron sputtering method.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820810570.0U CN209220274U (en) | 2018-05-29 | 2018-05-29 | A kind of high-precision antioxidant accuracy electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820810570.0U CN209220274U (en) | 2018-05-29 | 2018-05-29 | A kind of high-precision antioxidant accuracy electrode |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784691A (en) * | 2018-05-29 | 2018-11-13 | 兰州大学 | A kind of high-precision antioxidant accuracy electrode |
| CN113425314A (en) * | 2021-05-26 | 2021-09-24 | 上海理工大学 | Array type high-density surface myoelectricity acquisition device and myoelectricity acquisition method |
| CN114041804A (en) * | 2021-11-23 | 2022-02-15 | 中国人民解放军空军特色医学中心 | Superfine elasticity seta structure brain electricity collection system |
| CN114041788A (en) * | 2021-11-23 | 2022-02-15 | 中国人民解放军空军特色医学中心 | Device and method for collecting body surface body fluid state of superfine elastic bristle structure |
| CN114190955A (en) * | 2021-11-22 | 2022-03-18 | 哈工大机器人（合肥）国际创新研究院 | Occipital-temporal area vision electroencephalogram signal acquisition system |
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| CN108784691A (en) * | 2018-05-29 | 2018-11-13 | 兰州大学 | A kind of high-precision antioxidant accuracy electrode |
| CN108784691B (en) * | 2018-05-29 | 2024-04-05 | 兰州大学 | High-precision antioxidation accurate electrode |
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| CN114190955A (en) * | 2021-11-22 | 2022-03-18 | 哈工大机器人（合肥）国际创新研究院 | Occipital-temporal area vision electroencephalogram signal acquisition system |
| CN114190955B (en) * | 2021-11-22 | 2023-10-31 | 哈工大机器人（合肥）国际创新研究院 | Occipital temporal region vision electroencephalogram signal acquisition system |
| CN114041804A (en) * | 2021-11-23 | 2022-02-15 | 中国人民解放军空军特色医学中心 | Superfine elasticity seta structure brain electricity collection system |
| CN114041788A (en) * | 2021-11-23 | 2022-02-15 | 中国人民解放军空军特色医学中心 | Device and method for collecting body surface body fluid state of superfine elastic bristle structure |
| CN114041788B (en) * | 2021-11-23 | 2023-06-13 | 中国人民解放军空军特色医学中心 | Device and method for collecting body surface body fluid state of superfine elastic bristle structure |
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