CN214427578U - Button type test fixture for three electrodes - Google Patents
Button type test fixture for three electrodes Download PDFInfo
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- CN214427578U CN214427578U CN202120301767.3U CN202120301767U CN214427578U CN 214427578 U CN214427578 U CN 214427578U CN 202120301767 U CN202120301767 U CN 202120301767U CN 214427578 U CN214427578 U CN 214427578U
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- splint
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Abstract
The utility model discloses a button type three-electrode test fixture, which comprises an upper fixing clamp plate and a lower fixing clamp plate, wherein both ends of the upper fixing clamp plate are provided with fixing buckles, the lower end surface of the upper fixing clamp plate is provided with two thimbles, the ends of the two thimbles are connected with a test wire, and the other end of the test wire is welded with a test terminal; the utility model has the advantages of reasonable design, convenient to use can compensate the vacancy in button type three-electrode test fixture field on the one hand, and on the other hand also can effectively eliminate the contact internal resistance in the test process, has improved the test accuracy of the electric property of button type three-electrode.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell test and specifically relates to a button type test fixture for three electrodes is related to.
Background
In the initial research stage of lithium batteries, researchers usually prepare batteries into a button-type small-area half battery, a full battery and a three-electrode, then perform related research and test on electrode materials and battery performance, usually test the battery by adopting an electrochemical test method in the research process, and the electrochemical test method is particularly prominent in the test of a three-electrode system, but the traditional three-electrode test only adopts simple flexible package fixation, and the test fixation mode has no insulation on one hand, so that an electric shock risk exists in the test process, and on the other hand, contact internal resistance can be generated in the three-electrode test process to influence the test accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve the above-mentioned problem of coming, provide a button type test fixture for three electrodes for this reason, including last solid fixed splint and lower solid fixed splint, the left and right both ends of going up solid fixed splint all are provided with fixed buckle, the end that is provided with two thimbles and two thimbles on the lower terminal surface of last solid fixed splint all connects and is provided with the test wire, the left and right both ends of solid fixed splint all are provided with the draw-in groove down, the end-to-end connection that is provided with two thimbles and one of them thimble on the up end of solid fixed splint is provided with the test wire down, the other end welding of test wire is provided with test terminal.
Preferably, the upper fixing splint and the lower fixing splint are made of chrome-plated stainless steel, and Teflon paint is sprayed on the surfaces of the upper fixing splint and the lower fixing splint.
Preferably, the material of the clamping groove is a hard rubber insulating plate.
Preferably, the fixing buckle is a plastic spring buckle.
Preferably, the ejector pin is a copper-plated metal ejector pin.
Preferably, the test terminals are copper-plated metal wafers.
The utility model has the advantages that: the utility model has the advantages of reasonable design, convenient to use can compensate the vacancy in button type three-electrode test fixture field on the one hand, and on the other hand also can effectively eliminate the contact internal resistance in the test process, has improved the test accuracy of the electric property of button type three-electrode.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the fixing buckle structure of the present invention;
fig. 3 is a schematic view of the structure of the slot of the present invention;
in the figure: 1. fixing the buckle; 2. a card slot; 3. a test line; 4. a test terminal; 5. a thimble; 6. fixing a splint; 7. and a lower fixing splint.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature of the present specification may be replaced by another equivalent or alternative feature serving a similar purpose, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
As shown in fig. 1, 2, 3 a button type test fixture for three electrodes, including last solid fixed splint 6 and lower solid fixed splint 7, the left and right both ends of going up solid fixed splint 6 all are provided with fixed buckle 1, the end that is provided with two thimbles 5 and two thimbles 5 on the lower terminal surface of last solid fixed splint 6 all connects and is provided with test wire 3, the left and right both ends of lower solid fixed splint 7 all are provided with draw-in groove 2, the end-to-end connection that is provided with two thimbles 5 and one of them thimble 5 on the up end of lower solid fixed splint 7 is provided with test wire 3, the other end welding of test wire 3 is provided with test terminal 4.
The material of going up solid fixed splint 6 and solid fixed splint 7 is the stainless steel of chromium plating, the surface of going up solid fixed splint 6 and solid fixed splint 7 all is sprayed with the teflon lacquer down.
The clamping groove 2 is made of a hard rubber insulating plate.
The fixing buckle 1 is a plastic spring buckle.
The thimble 5 is a copper-plated metal thimble.
The test terminal 4 is a copper-plated metal wafer.
In the using process, the button type three-electrode is placed on the lower fixing clamp plate 7, then one electrode of the button type three-electrode is connected with the thimble 5 connected with the test wire 3 on the lower fixing clamp plate 7, then the two thimbles 5 on the upper fixing clamp plate 6 are connected with the other two electrodes of the button type three-electrode, after the three electrodes of the button type three-electrode are connected, the upper fixing clamp plate is covered on the button type three-electrode, the upper fixing clamp plate 6 and the lower fixing clamp plate 7 are clamped mutually through the fixing buckle 1 in the fixing clamping groove 2, and finally the test terminal 4 at the tail end of the test wire 3 is respectively connected with the positive electrode, the negative electrode and the reference electrode on the electrochemical workstation, so that the test clamping of the button type three-electrode is completed.
The material of going up solid fixed splint 6 and solid fixed splint 7 down is the stainless steel of chromium plating, the equal spraying in surface of going up solid fixed splint 6 and solid fixed splint 7 has the teflon lacquer, can effectively play insulating effect, prevents that operating personnel from taking place the phenomenon of electrocuteeing.
The material of draw-in groove 2 is the stereoplasm rubber insulation board with fixed buckle 1 is the plastics snak link, can further play insulating effect to ensure test fixture's insulating nature of safety.
The thimble 5 is a copper-plated metal thimble and the test terminal 4 is a copper-plated metal wafer, so that the test current transfer effect can be better, and the contact internal resistance in the test process can be effectively eliminated.
The utility model has the advantages that: the utility model has the advantages of reasonable design, convenient to use can compensate the vacancy in button type three-electrode test fixture field on the one hand, and on the other hand also can effectively eliminate the contact internal resistance in the test process, has improved the test accuracy of the electric property of button type three-electrode.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (6)
1. The utility model provides a button type three electrode is with test fixture, its characterized in that, includes last solid fixed splint (6) and lower solid fixed splint (7), the left and right both ends of going up solid fixed splint (6) all are provided with fixed buckle (1), the end that is provided with two thimbles (5) and two thimbles (5) on the lower terminal surface of last solid fixed splint (6) all connects and is provided with test wire (3), the left and right both ends of solid fixed splint (7) all are provided with draw-in groove (2) down, the end-to-end connection that is provided with two thimbles (5) and one of them thimble (5) on the up end of lower solid fixed splint (7) is provided with test wire (3), the other end welding of test wire (3) is provided with test terminal (4).
2. The test fixture for the button type three-electrode according to claim 1, wherein the upper fixing splint (6) and the lower fixing splint (7) are made of chrome-plated stainless steel, and Teflon paint is sprayed on the surfaces of the upper fixing splint (6) and the lower fixing splint (7).
3. The test fixture for the button type three-electrode according to claim 1, wherein the material of the slot (2) is a hard rubber insulating plate.
4. A test fixture for button-type three-electrode according to claim 1, characterized in that the fixing clip (1) is a plastic spring clip.
5. The test fixture for button type three-electrode according to claim 1, wherein the thimble (5) is a copper-plated metal thimble.
6. The test fixture for button-type three-electrode according to claim 1, wherein the test terminal (4) is a copper-plated metal disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120301767.3U CN214427578U (en) | 2021-02-03 | 2021-02-03 | Button type test fixture for three electrodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120301767.3U CN214427578U (en) | 2021-02-03 | 2021-02-03 | Button type test fixture for three electrodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214427578U true CN214427578U (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120301767.3U Active CN214427578U (en) | 2021-02-03 | 2021-02-03 | Button type test fixture for three electrodes |
Country Status (1)
| Country | Link |
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| CN (1) | CN214427578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117871913A (en) * | 2024-03-12 | 2024-04-12 | 宁德时代新能源科技股份有限公司 | Test fixture |
-
2021
- 2021-02-03 CN CN202120301767.3U patent/CN214427578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117871913A (en) * | 2024-03-12 | 2024-04-12 | 宁德时代新能源科技股份有限公司 | Test fixture |
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