CN204214806U - A kind of electrochemical test experiment device - Google Patents
A kind of electrochemical test experiment device Download PDFInfo
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- CN204214806U CN204214806U CN201420428562.1U CN201420428562U CN204214806U CN 204214806 U CN204214806 U CN 204214806U CN 201420428562 U CN201420428562 U CN 201420428562U CN 204214806 U CN204214806 U CN 204214806U
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- working electrode
- sample
- experiment device
- cell body
- electrochemical test
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Abstract
The utility model relates to a kind of electrochemical test experiment device, described test unit comprises cell body, be arranged on the auxiliary electrode parts on cell body, contrast electrode parts, working electrode parts, the bottom of described cell body is provided with inlet/outlet, and described inlet/outlet connects reservoir by rubber tube.The advantage of the technical program is as follows, 1) overall construction design is ingenious, easy to operate; 2) safe and reliable, easy accessibility; 3) in this technical scheme with the spring compression sample on baffle plate and working electrode, with bolt, baffle plate and cell body are fixed.The program eliminates the step to working electrode approved sample and welding lead, for less, the sample of inconvenient welding lead and the sample of larger inconvenient approved sample, simple to operate, improves work efficiency.
Description
Technical field
The utility model relates to a kind of test unit, particularly a kind of electrochemical test experiment device.
Background technology
Electrochemistry experiment uses electrochemical workstation to carry out the measurement of related data to sample usually.In process of the test, need to use experimental provision, for laying working electrode (i.e. sample), contrast electrode, auxiliary electrode and relevant testing liquid.Requirement of experiment working electrode area is 1cm
2, contrast electrode and working electrode distance moderate, if experimental result far away can be subject to the impact of ohm potential drop, the potential value too closely recorded may not represent the mixed potential value of whole electrode surface, but microcell current potential.Experimental provision in the past, working electrode compares arbitrarily with the placement location of contrast electrode, cannot regulate, and the distance between contrast electrode and working electrode can affect the accuracy of experimental result; Some devices are 1cm to realize working electrode area
2, need to adopt sample the materials such as epoxy resin to carry out artificial approved sample, accurately cannot ensure that the area of working electrode is 1cm
2, the error effect of the working electrode area accuracy of test; Need for sample welding wire for less sample, could access electrochemical workstation, operation is more loaded down with trivial details, and welding easily causes loose contact, affects the accuracy of experimental data; Some devices every sheet sample experiment terminates rear needs and solution is poured into beaker, could change, for corrosive solutions such as acidity to sample, add the danger of experiment, and electrochemical test short a few minutes just can terminate, per a few minutes change solution, more loaded down with trivial details.This just needs to design a kind of Novel experiment device, ensures high efficiency and the security of experiment.
In recent years, person skilled have devised a kind of electrochemical test experiment device, apply for " electrochemical experimental device " patent No.: CN200710038599.8, this patent is a kind of electrochemical experimental device of electroplating technology field, achieve the adjustability of the spacing of auxiliary electrode and working electrode, shortcoming is only applicable to the electrochemical researchs such as plating, anodic oxidation, electropolishing, and the electrochemical research for corrosion then needs the problems such as the spacing of solution approved sample, welding lead and contrast electrode and working electrode.The patent No. is " a kind of general electrochemical flow cell device " of CN201010147833.2, this is a kind of common electrochemical appliance, need after solution discharge after each sample experiment terminates, just sample replacing can be carried out, shortcoming is the loaded down with trivial details danger of experiment, need to carry out the work such as approved sample, welding lead to less sample, between contrast electrode and working electrode, distance problem does not solve." a kind of corrosion testing apparatus with in-situ electrochemical test function ", the patent No.: CN200910018266.8.Changing patent service condition is site test in nature marine environment, is applicable in open solution environmental, and shortcoming is inapplicable to the solution system closed; Contrast electrode in electrochemical test probe and auxiliary electrode are fixed on probing shell, cannot realize replacing and the position adjustments of different tests contrast electrode and auxiliary electrode; This patent have employed sample hermetically-sealed construction and seals sample, needs to carry out lead-in wire welding to sample, comparatively loaded down with trivial details for closed environment; This device needs overall submergence in the solution when using, and for requiring higher solution, can cause the pollution of solution.Therefore, a kind of new scheme of exigence solves the problems of the technologies described above.
Summary of the invention
The utility model, just for the technical matters existed in prior art, provides a kind of electrochemical test experiment device, and the design of this overall system architecture is ingenious, easy to operate, use safety.
To achieve these goals, the technical solution of the utility model is as follows, a kind of electrochemical test experiment device, described test unit comprises cell body, be arranged on the auxiliary electrode parts on cell body, contrast electrode parts, working electrode parts, the bottom of described cell body is provided with inlet/outlet, and described inlet/outlet connects reservoir by rubber tube.
Improve as one of the present utility model, described auxiliary electrode parts comprise support, are arranged on the auxiliary electrode on support and counter electrode lead.
Improve as one of the present utility model, described contrast electrode parts comprise support, be arranged on contrast electrode on support and contrast electrode lead-in wire.
Improve as one of the present utility model, described working electrode comprises baffle plate, be fixed on working electrode on baffle plate and working electrode lead-in wire.
Improve as one of the present utility model, described test unit also comprises electrochemical workstation, and described counter electrode lead, contrast electrode lead-in wire and working electrode lead-in wire are all connected with electrochemical workstation.
Improve as one of the present utility model, be provided with circular hole in the middle of described baffle plate, in described circular hole, be provided with spring, draw spring end from baffle plate opposite side and go between as working electrode.With the spring compression sample on baffle plate and working electrode, with bolt, baffle plate and cell body are fixed.The program eliminates the step to working electrode approved sample and welding lead, for less, the sample of inconvenient welding lead and the sample of larger inconvenient approved sample, simple to operate, improves work efficiency.
Improve as one of the present utility model, the centre of described support is provided with sliding rail, and the two ends up and down of support are provided with screw.
Improve as one of the present utility model, be provided with piston in described reservoir, between described piston and reservoir, be provided with rubber ring.
Improve as one of the present utility model, described rubber tube is provided with flow-stop valve, and described flow-stop valve is made up of slide block and track.
Relative to prior art, advantage of the present utility model is as follows, 1) overall construction design is ingenious, easy to operate; 2) safe and reliable, easy accessibility; 3) in this technical scheme with the spring compression sample on baffle plate and working electrode, with bolt, baffle plate and cell body are fixed.The program eliminates the step to working electrode approved sample and welding lead, for less, the sample of inconvenient welding lead and the sample of larger inconvenient approved sample, simple to operate, improves work efficiency; 4) auxiliary electrode and contrast electrode support are fixed, it is placed on cell body upper shed place respectively, the position of two supports can arbitrarily regulate as required, fix with bolt respectively after being adjusted to correct position, ensure that the adjustability of the distance between auxiliary electrode, contrast electrode and working electrode, different requirement of experiment can be met; 5) this device operates conveniently, and improve the security of operating personnel, manufacturing cost is low, is convenient to promote the use of on a large scale.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction schematic diagram;
Fig. 2 is supporting structure schematic diagram;
Fig. 3 is baffle arrangement schematic diagram;
Fig. 4 is fluid stopping valve arrangement schematic diagram;
In figure: 1-cell body, 2-auxiliary electrode, 3-counter electrode lead, 4-contrast electrode, 5-contrast electrode lead-in wire, 6-working electrode, 7-working electrode lead-in wire, 8-bolt, 9-inlet/outlet, 10-rubber tube, 11-reservoir, 12-O-ring seal, 13-piston, 14-electrochemical workstation, 15-screw, 16-sliding rail, 17-spring, 18-slide block, 19-track, 20, the second O-ring seal, 21-support, 22-baffle plate, 23-flow-stop valve.
Embodiment
In order to deepen understanding and cognition of the present utility model, below in conjunction with accompanying drawing the utility model be further described and introduce.
embodiment 1: see Fig. 1, Fig. 2, a kind of electrochemical test experiment device, described test unit comprises cell body 1, be arranged on the auxiliary electrode parts on cell body, contrast electrode parts, working electrode parts, the bottom of described cell body is provided with inlet/outlet 9, described inlet/outlet 9 connects reservoir 11 by rubber tube 10, and described auxiliary electrode parts comprise support 21, arranges auxiliary electrode 2 on the stent 21 and counter electrode lead 3; Described contrast electrode parts comprise support 21, arrange contrast electrode 4 on the stent 21 and contrast electrode lead-in wire 5.
embodiment 2: see Fig. 1, Fig. 2, improve as one of the present utility model, described working electrode parts comprise baffle plate 22, be fixed on working electrode 6 on baffle plate 22 and working electrode lead-in wire 7.All the other structures are identical with embodiment 1 with advantage.
embodiment 3: see Fig. 1, Fig. 2, improve as one of the present utility model, described test unit also comprises electrochemical workstation 14, and described counter electrode lead 3, contrast electrode lead-in wire 5 and working electrode lead-in wire 7 are all connected with electrochemical workstation 14.All the other structures are identical with embodiment 1 with advantage.
embodiment 4: see Fig. 1, Fig. 2, improve as one of the present utility model, be provided with circular hole in the middle of described baffle plate 22, in described circular hole, be provided with spring 17, draw spring 17 end from baffle plate 22 opposite side and go between as working electrode.Compress sample and working electrode 6 with the spring 17 on baffle plate 22, with bolt 8, baffle plate 22 and cell body 1 are fixed.The program eliminates the step to working electrode approved sample and welding lead, for less, the sample of inconvenient welding lead and the sample of larger inconvenient approved sample, simple to operate, improves work efficiency.All the other structures are identical with embodiment 1 with advantage.
embodiment 5: see Fig. 1, Fig. 2, improve as one of the present utility model, the centre of described support 20 is provided with sliding rail 16, and the two ends up and down of support are provided with screw 15, are fixed on cell body 1 by baffle plate by bolt, strengthen its stability.All the other structures are identical with embodiment 1 with advantage.
embodiment 6: see Fig. 1, Fig. 2, improve as one of the present utility model, be provided with piston 13 in described reservoir 11, between described piston 13 and reservoir 11, be provided with rubber ring 12.
embodiment 7: see Fig. 1, Fig. 2, improve as one of the present utility model, described rubber tube 10 is provided with flow-stop valve 22, and described flow-stop valve 22 is made up of slide block 18 and track 19.All the other structures are identical with embodiment 1 with advantage.
Principle of work: see Fig. 1-4, whole test unit comprises the associated components such as cell body 1, working electrode 6, auxiliary electrode 2, counter electrode lead 3, auxiliary electrode sliding support 21, contrast electrode 4, contrast electrode lead-in wire 5, contrast electrode sliding support 21, O-ring seal 12, baffle plate 22, spring 17, rubber tube 10, reservoir 11, piston 13, flow-stop valve 22 carrying out testing.See Fig. 3, baffle plate 22 interposition is equipped with a circular hole, spring 17 is had in circular hole, draw spring end from baffle plate 22 opposite side to go between as working electrode, working electrode is placed on the outside of centre position, cell body 1 side circular hole, seal with the second O-ring seal 20 between sample 6 and circular hole, ensure that the working electrode area contacted with solution is 1cm
2.Compress sample 6 with the spring 17 on baffle plate 22, with bolt, baffle plate 22 and cell body 1 are fixed.This scheme eliminates the step to working electrode approved sample and welding lead, for less, the sample of inconvenient welding lead and the sample of larger inconvenient approved sample, simple to operate, improves work efficiency.Auxiliary electrode 2 and contrast electrode 4 support 21 are fixed, it is placed on respectively cell body 1 upper shed place, the position of two supports 21 can arbitrarily regulate as required, fix with bolt respectively after being adjusted to correct position, ensure that the adjustability of the distance between auxiliary electrode, contrast electrode and working electrode, different requirement of experiment can be met.See Fig. 1, there is a circular opening bottom cell body as inlet/outlet 9, connect with rubber tube 10.The opposite side of rubber tube 10 is connected to reservoir 11, rubber tube 10 has a flow-stop valve 23, can carry out switching operations.Reservoir 11 built-in piston 13, seals with rubber ring 12 between piston 13 and reservoir 11.After experiment terminates, open valve, twitch piston, solution enters reservoir, i.e. replaceable sample; After sample installs, promote piston, solution enters experiment cell body, valve-off, can test, and eliminates the operation that solution in experimentation is poured into, poured out, and improves the security of experiment, avoids solution contaminated, improve conventional efficient.
At least one in technical characteristic described in embodiment 2,3,4,5,6,7 and embodiment 1 can also combine by the utility model, form new embodiment.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, equivalents done on the basis of technique scheme or the alternative scope all falling into the utility model claim and protect.
Claims (9)
1. an electrochemical test experiment device, described test unit comprises cell body, be arranged on the auxiliary electrode parts on cell body, contrast electrode parts, working electrode parts, the bottom of described cell body is provided with inlet/outlet, and described inlet/outlet connects reservoir by rubber tube.
2. a kind of electrochemical test experiment device as claimed in claim 1, is characterized in that: described auxiliary electrode parts comprise support, are arranged on the auxiliary electrode on support and counter electrode lead.
3. a kind of electrochemical test experiment device as claimed in claim 2, is characterized in that: described contrast electrode parts comprise support, be arranged on contrast electrode on support and contrast electrode lead-in wire.
4. a kind of electrochemical test experiment device as described in claim 1 or 2 or 3, is characterized in that: described working electrode comprises baffle plate, be fixed on working electrode on baffle plate and working electrode lead-in wire.
5. a kind of electrochemical test experiment device as claimed in claim 4, is characterized in that: described test unit also comprises electrochemical workstation, and described counter electrode lead, contrast electrode lead-in wire and working electrode lead-in wire are all connected with electrochemical workstation.
6. a kind of electrochemical test experiment device as claimed in claim 5, is characterized in that; Be provided with circular hole in the middle of described baffle plate, in described circular hole, be provided with spring, draw spring end from baffle plate opposite side and go between as working electrode.
7. a kind of electrochemical test experiment device as described in Claims 2 or 3, is characterized in that: the centre of described support is provided with sliding rail, and the two ends up and down of support are provided with screw.
8. a kind of electrochemical test experiment device as described in claim 5 or 6, is characterized in that: be provided with piston in described reservoir, is provided with rubber ring between described piston and reservoir.
9. a kind of electrochemical test experiment device as described in claim 5 or 6, it is characterized in that: described rubber tube is provided with flow-stop valve, described flow-stop valve is made up of slide block and track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428562.1U CN204214806U (en) | 2014-07-31 | 2014-07-31 | A kind of electrochemical test experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428562.1U CN204214806U (en) | 2014-07-31 | 2014-07-31 | A kind of electrochemical test experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204214806U true CN204214806U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420428562.1U Expired - Fee Related CN204214806U (en) | 2014-07-31 | 2014-07-31 | A kind of electrochemical test experiment device |
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| CN (1) | CN204214806U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827898A (en) * | 2019-03-29 | 2019-05-31 | 河海大学 | A kind of metal corrosion test device |
| CN109946477A (en) * | 2019-01-30 | 2019-06-28 | 北京师范大学 | A kind of apparatus for measuring liquid flow speed and measurement method based on conductive electrode electrochemical response |
-
2014
- 2014-07-31 CN CN201420428562.1U patent/CN204214806U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946477A (en) * | 2019-01-30 | 2019-06-28 | 北京师范大学 | A kind of apparatus for measuring liquid flow speed and measurement method based on conductive electrode electrochemical response |
| CN109827898A (en) * | 2019-03-29 | 2019-05-31 | 河海大学 | A kind of metal corrosion test device |
| CN109827898B (en) * | 2019-03-29 | 2021-09-17 | 河海大学 | Metal corrosion test device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |