CN206431094U - A kind of controllable channel electrode of volume - Google Patents
A kind of controllable channel electrode of volume Download PDFInfo
- Publication number
- CN206431094U CN206431094U CN201720107302.8U CN201720107302U CN206431094U CN 206431094 U CN206431094 U CN 206431094U CN 201720107302 U CN201720107302 U CN 201720107302U CN 206431094 U CN206431094 U CN 206431094U
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- electrode
- supporting plate
- electrolytic cell
- cell supporting
- pad
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Abstract
The utility model discloses a kind of controllable channel electrode of volume, electrolytic cell supporting plate is provided with reference electrode groove, to slot electrode, sample outlet hole and sample holes；Sample outlet hole is connected with reference electrode groove, and sample holes are connected with to slot electrode；Working electrode is installed in electrolytic cell supporting plate and drawn by wire；Reference electrode is installed in reference electrode groove；Electrode is installed in slot electrode；Fixed plate is fixed in electrolytic cell supporting plate；Pad is fixed between electrolytic cell supporting plate and fixed plate；Through hole and the electrolytic cell supporting plate and fixed plate of pad both sides on pad complement each other to form sealed electrolyte chamber；The connection corresponding with electrolyte chamber of working electrode, sample outlet hole and sample holes, forms working electrode, reference electrode and the three electrolysis systems to electrode in electrolyte chamber.The utility model can change the volume of electrolyte chamber by the thickness of adjust pad, reduce pressure of the working fluid to whole device, it is adaptable to which Flow sample is detected.
Description
Technical field
The utility model is related to laminar flows electrolytic cell technical field, and in particular to a kind of controllable flowing electrolysis of volume
Pond.
Background technology
Thin-Layer Electrolytic Cell is utilized in phase early 1960s first, and the liquor capacity of very little is limited in electrode by it
In one thin layer on surface, by reducing the volume ratio for determining the volume of liquid to increase electrode surface area with determine liquid, therefore only
Need the very short time just can be electrolysed sample completely.There was only working electrode in the thin layer room of the thin-Layer Electrolytic Cell of reporting, and
Reference and auxiliary electrode are placed on outside thin layer room, and this design is disadvantageous in that non-caused by serious uneven CURRENT DISTRIBUTION
Linear potential.Later, researcher was improved the structure of thin-Layer Electrolytic Cell, and working electrode and reference electrode are placed on into thin layer room
It is interior, and auxiliary electrode is placed on outside thin layer room, can eliminate the adverse effect that former structure is brought.Also have researcher by work,
Reference and auxiliary electrode are placed in thin layer room, it is noted that in auxiliary electrode and working when designing such thin-Layer Electrolytic Cell
Certain distance is kept between electrode, it is to avoid the interference between two diffusion layers.
Laminar flows electrolytic cell can realize the detection of flowing sample, but because the capacity of electrolytic cell is few, therefore in detection
Very big pressure can be produced during Flow sample, sample big flow cannot be made by electrolytic cell, cause the amount of ion deposition few, detection letter
It is number small.In addition, the larger pressure also higher requirement of the sealing proposition to device that detection process is produced.
Utility model content
The purpose of this utility model is to overcome weak point of the thin-Layer Electrolytic Cell when detecting Flow sample in the prior art,
There is provided a kind of channel electrode for being easy to detect that the volume of Flow sample is controllable.
The utility model solves the technical scheme that its technical problem used：
A kind of controllable channel electrode of volume, including：
Electrolytic cell supporting plate, which is provided with horizontally disposed reference electrode groove and to slot electrode, the axle of the reference electrode groove
Line and axis to slot electrode are mutually perpendicular to；Parallel interval arrangement is additionally provided with the electrolytic cell supporting plate and through electrolytic cell support
The sample outlet hole and sample holes of plate；The sample outlet hole is interconnected with reference electrode groove, and the sample holes to slot electrode with being interconnected；
Working electrode, is installed in electrolytic cell supporting plate and is drawn by wire；
Reference electrode, is installed in reference electrode groove；
To electrode, it is installed in in slot electrode；
Fixed plate, is fixed in electrolytic cell supporting plate；
Pad, is fixed between electrolytic cell supporting plate and fixed plate；Through hole is provided with pad, the through hole and pad both sides
Electrolytic cell supporting plate and fixed plate complement each other to form sealed electrolyte chamber；The working electrode, sample outlet hole and sample holes
Position is corresponding with the position of the through hole and is connected with electrolyte chamber, in electrolyte chamber formed working electrode, reference electrode and
To three electrolysis systems of electrode.
In one embodiment：The spacer thickness is 1~5mm.
In one embodiment：The pad is polytetrafluoroethylene (PTFE) material.
In one embodiment：The through hole is ellipse.
In one embodiment：Also include base, the electrolytic cell supporting plate is installed in base.
In one embodiment：The electrolytic cell supporting plate is PEEK resin materials.
In one embodiment：The electrolytic cell supporting plate is provided with some fix bars, if the pad and fixed plate pass through this
Solid fixed pole is installed in electrolytic cell supporting plate；It is additionally provided with the fix bar for being fastened and fixed plate, pad and electrolytic cell branch
The fixture of fagging.
In one embodiment：The sample holes be arranged on to electrode trench bottom and its trend with to slot electrode axis it is parallel or
Overlap；The trend of the sample outlet hole is mutually perpendicular to reference electrode fluted shaft line.
In one embodiment：Described is hollow stainless steel tube to electrode.
In one embodiment：It is described to electrode by being installed in electrode fixuture to slot electrode.
The technical program is compared with background technology, and it has the following advantages that：
1) the utility model make it that electrolysis cavity volume is controllable using certain thickness pad, can reduce liquid flowing
Shi Zaocheng pressure, is easy to the detection of Flow sample；
2) electrode and reference electrode can be changed easily as needed；
3) electrochemical signals response is stable and sensitive.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the controllable channel electrode overall structure diagram of volume of the present utility model.
Fig. 2 is the controllable channel electrode schematic top plan view of volume of the present utility model.
Fig. 3 is electrolytic cell supporting plate overall structure diagram of the present utility model.
Fig. 4 is electrolytic cell supporting plate schematic side view of the present utility model.
Fig. 5 is electrolytic cell supporting plate schematic top plan view of the present utility model.
Fig. 6 is pad schematic diagram of the present utility model.
Reference：Electrolytic cell supporting plate 1, sample outlet hole 2, working electrode 3, wire 4, to electrode 5, to electrode fixuture 6,
Sample holes 7, to slot electrode 8, reference electrode groove 9, reference electrode 10, base 11, fix bar 12, fixture 13, pad 14, through hole
15, fixed plate 16.
Embodiment
Content of the present utility model is illustrated below by embodiment：
In description of the present utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " horizontal stroke ", " perpendicular ", " top ", " bottom ", " interior ", " outer " are based on shown in the stereogram in accompanying drawing
Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.
It refer to Fig. 1 to Fig. 6, a kind of controllable channel electrode of volume, including：
Base 11；
Electrolytic cell supporting plate 1, is polyether-ether-ketone (PEEK) resin material, is installed in base 11；In the electrolytic cell supporting plate 1
Provided with horizontally disposed reference electrode groove 9 and to slot electrode 8, the axis of the reference electrode groove 9 and mutual to the axis of slot electrode 8
Vertically；It is additionally provided with parallel interval arrangement and through the sample outlet hole 2 and sample holes 7 of electrolytic cell supporting plate 1；Sample outlet hole 2 connects reference
Slot electrode 9 and its trend is mutually perpendicular to the axis of reference electrode groove 9；Sample holes 7 are connected to slot electrode 8, and it is by the bottom of slot electrode 8
Electrolytic cell supporting plate 1 is run through in center along to direction where the axis of slot electrode 8 in portion；Be additionally provided with the electrolytic cell supporting plate 1 it is some not
The rust threaded fix bar 12 of steel；
Working electrode 3, is diameter 3mm glass-carbon electrode, and insertion is arranged on electrolytic cell supporting plate 1, and is drawn by wire 4
Go out；
Reference electrode 10, is screwed in reference electrode groove 9；
It is one section of hollow stainless steel tube to electrode 5, to electrode fixuture 6 (such as screw), spin fixation by hollow
In to slot electrode 8；
Pad 14, through fix bar 12 to be fixed in electrolytic cell supporting plate 1；
Fixed plate 16, electrolytic cell supporting plate 1 is fixed in through fix bar 12 and by fixture 13 (such as cap nut)；
Pad 14 is located between electrolytic cell supporting plate 1 and fixed plate 16；Ellipse hole 15 is provided with pad 14, this leads to
The electrolytic cell supporting plate 1 and fixed plate 16 in hole 15 and the both sides of pad 14 complement each other to form sealed electrolyte chamber；Through hole 15 it is big
It is small enough to cover working electrode 3, sample outlet hole 2 and sample holes 7 so that the position of working electrode 3, sample outlet hole 2 and sample holes 7
Put it is corresponding with the position of the through hole 15 and it is equal can be connected with electrolyte chamber, in electrolyte chamber formed working electrode 3, reference electrode
10 and the three electrolysis systems to electrode 5.
Among the present embodiment, the pad 14 is polytetrafluoroethylene (PTFE) material, and thickness can be designed as needed, for example, 1
~5mm；The volume size of electrolyte chamber can be adjusted by the thickness of adjust pad 14.
Among the present embodiment, the through hole 15 is major axis 14mm, short axle 7mm ellipse；The sample outlet hole 2 and sample holes
7 aperture is 1mm.
The utility model in-site installation and occupation mode are as follows：
Install：1) electrode 5 will be fixed on hollow in electrode fixuture 6, being then threaded into slot electrode 8；By reference
Electrode 10 screws in reference electrode groove 9；
2) pad 14 is inserted in fix bar 12；
3) fixed plate 16 is inserted in fix bar 12, then fixed plate 16 locked with fixture 13, compress electrolytic cell supporting plate
1st, pad 14 and fixed plate 16 are easy to form sealed electrolyte chamber.
Use：Sample provides power by syringe pump or peristaltic pump, enters to electrode 5, enters pad by sample holes 7
In 14 ellipse hole 15.In the three electrolysis systems constituted to electrode 5, reference electrode 10 and working electrode 3, use
Anodic stripping, by extra electric field so that metal ion is deposited and dissolution on working electrode 3.Final sample is from sample outlet hole 2
Outflow.
The purpose of this utility model is the volume for changing electrolyte chamber by the thickness of adjust pad 14, reduces working fluid
To the pressure of whole device.It is not fixed to electrode 5 and reference electrode 10, easily can changes as needed.Band
Screwing cap nut fixture 13 in threaded fix bar 12 can be such that whole device more seals.
It is described above, only the utility model preferred embodiment, therefore the utility model implementation can not be limited according to this
Scope, i.e., the equivalent changes and modifications made according to the utility model the scope of the claims and description all should still belong to this practicality new
In the range of type covers.
Claims (10)
1. a kind of controllable channel electrode of volume, it is characterised in that：Including：
Electrolytic cell supporting plate, which is provided with horizontally disposed reference electrode groove and to slot electrode, the axis of the reference electrode groove and
The axis of slot electrode is mutually perpendicular to；Parallel interval arrangement is additionally provided with the electrolytic cell supporting plate and through electrolytic cell supporting plate
Sample outlet hole and sample holes；The sample outlet hole is interconnected with reference electrode groove, and the sample holes to slot electrode with being interconnected；
Working electrode, is installed in electrolytic cell supporting plate and is drawn by wire；
Reference electrode, is installed in reference electrode groove；
To electrode, it is installed in in slot electrode；
Fixed plate, is fixed in electrolytic cell supporting plate；
Pad, is fixed between electrolytic cell supporting plate and fixed plate；Through hole is provided with pad, the through hole and the electricity of pad both sides
Solution pond supporting plate and fixed plate complement each other to form sealed electrolyte chamber；The position of the working electrode, sample outlet hole and sample holes
It is corresponding with the position of the through hole and be connected with electrolyte chamber, working electrode, reference electrode are formed in electrolyte chamber and to electricity
Three electrolysis systems of pole.
2. the controllable channel electrode of volume according to claim 1, it is characterised in that：The spacer thickness be 1~
5mm。
3. the controllable channel electrode of volume according to claim 1, it is characterised in that：The pad is polytetrafluoroethylene (PTFE)
Material.
4. the controllable channel electrode of volume according to claim 1, it is characterised in that：The through hole is ellipse.
5. the controllable channel electrode of volume according to claim 1, it is characterised in that：Also include base, the electrolysis
Pond supporting plate is installed in base.
6. the controllable channel electrode of volume according to claim 1, it is characterised in that：The electrolytic cell supporting plate is
PEEK resin materials.
7. the controllable channel electrode of volume according to claim 1, it is characterised in that：Set in the electrolytic cell supporting plate
There are some fix bars, the pad and fixed plate are installed in electrolytic cell supporting plate by some fix bars；The fix bar
On be additionally provided with fixture for being fastened and fixed plate, pad and electrolytic cell supporting plate.
8. the controllable channel electrode of volume according to claim 1, it is characterised in that：The sample holes are arranged on to electricity
Pole trench bottom and its trend with to slot electrode axis it is parallel or coincidence；The trend of the sample outlet hole and reference electrode fluted shaft line phase
It is mutually vertical.
9. the controllable channel electrode of volume according to claim 1, it is characterised in that：Described is hollow stainless to electrode
Steel pipe.
10. the controllable channel electrode of volume according to claim 1, it is characterised in that：It is described that electrode is passed through to electricity
Pole fixture is installed in slot electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720107302.8U CN206431094U (en) | 2017-02-04 | 2017-02-04 | A kind of controllable channel electrode of volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720107302.8U CN206431094U (en) | 2017-02-04 | 2017-02-04 | A kind of controllable channel electrode of volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206431094U true CN206431094U (en) | 2017-08-22 |
Family
ID=59591460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720107302.8U Expired - Fee Related CN206431094U (en) | 2017-02-04 | 2017-02-04 | A kind of controllable channel electrode of volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206431094U (en) |
-
2017
- 2017-02-04 CN CN201720107302.8U patent/CN206431094U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20210204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |