CN220795421U - Square battery cell cycle life capacity test fixture - Google Patents
Square battery cell cycle life capacity test fixture Download PDFInfo
- Publication number
- CN220795421U CN220795421U CN202322288745.XU CN202322288745U CN220795421U CN 220795421 U CN220795421 U CN 220795421U CN 202322288745 U CN202322288745 U CN 202322288745U CN 220795421 U CN220795421 U CN 220795421U
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- Prior art keywords
- square battery
- square
- battery cell
- capacity test
- cell cycle
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- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 230000022131 cell cycle Effects 0.000 title claims abstract description 20
- 238000010586 diagram Methods 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a square battery cell cycle life capacity test fixture, and relates to the field of square battery cell tests. The square battery cell cycle life capacity test fixture comprises a fixture shell; square battery, put in said clamp shell; the plurality of groups of support plates are connected to the clamp shell in a sliding manner, wherein the clamp shell is provided with adjusting units for correspondingly adjusting the plurality of groups of support plates, the support plates are symmetrically provided with adjusting parts, and the two adjusting parts are respectively provided with a testing unit for testing the service life of the square battery; the utility model can realize the cycle capacity test of the battery life of square batteries with different specifications and sizes and can simultaneously test the cycle capacity of the battery life of five groups of square batteries with different specifications and sizes or the same specification and size, thereby improving the working efficiency of the cycle capacity test of the battery life of the square battery.
Description
Technical Field
The utility model belongs to the technical field of square battery cell testing, and particularly relates to a square battery cell cycle life capacity testing tool.
Background
At present, square lithium battery application fields aim at large-scale power station energy storage, household energy storage, power battery packs and various square battery types in the market, and battery performance of each manufacturer is uneven, and a test cabinet can accurately evaluate the service life of a battery in actual use, so that powerful support is provided for improving the battery performance, reducing the cost and developing, producing and applying the battery.
At present, in order to conveniently test the service life, the cycle times, the discharge characteristics and the like of batteries of each manufacturer, a welding mode is generally adopted, and a test cabinet is matched for carrying out the cycle capacity test on the service life of the batteries of the square batteries;
however, when the conventional test cabinet performs the cycle capacity test on the battery life of the square battery, the function is single, and only the cycle capacity test on the battery life of one square battery can be performed at a time, so that the working efficiency is reduced.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a square battery cell cycle life capacity testing tool which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the square battery cell cycle life capacity test fixture comprises a fixture shell; square battery, put in said clamp shell; the clamp comprises a clamp shell, a plurality of groups of supporting plates, a plurality of groups of adjusting units, a plurality of test units and a plurality of control units, wherein the plurality of groups of supporting plates are connected to the clamp shell in a sliding manner, the adjusting units are correspondingly adjusted on the plurality of groups of supporting plates, adjusting parts are symmetrically arranged on the supporting plates, test units for testing the service life of batteries of the square batteries are arranged on the two adjusting parts, and the two adjusting parts can correspondingly adjust the distance between the two test units according to the distance between the positive electrode and the negative electrode of the square batteries; the adjusting part comprises a second sliding groove and locking blocks, wherein the second sliding groove is symmetrically formed in the supporting plate, and the locking blocks are connected to the second sliding groove in a sliding mode.
In order to be able to adjust the test unit, it is preferable that the test unit further comprises a second fixing bolt, wherein the second fixing bolt is slidably connected in the second sliding chute and is in threaded connection with a plug hole formed in the upper side of the locking block.
In order to test the service life of the battery of the square battery, preferably, the test unit comprises a first wiring end, a second wiring end, a first thimble and a second thimble, wherein the first wiring end and the second wiring end are respectively and fixedly connected to the upper sides of the two locking blocks, the first thimble and the second thimble are respectively and fixedly connected to the lower sides of the two locking blocks, the first thimble is electrically connected with the first wiring end, and the second thimble is electrically connected with the second wiring end.
In order to be able to carry out synchronous detection on the battery life of a plurality of square batteries, preferably, the support plate is provided with five groups, the five groups of support plates are equidistantly arranged on the clamp shell, and the adjusting part is provided with five groups corresponding to the support plate.
In order to enable the test unit to be in contact with the anode and the cathode of the directional battery placed in the clamp shell, preferably, the adjusting unit comprises a first sliding groove and a locking part, the first sliding groove is longitudinally formed in the clamp shell, the supporting plate is slidably connected to the first sliding groove through the locking part, and the locking part is used for limiting and fixing the supporting plate.
In order to limit and fix the supporting plate, the locking part further comprises a first fixing bolt which is slidably connected in the first sliding groove and is in threaded connection with the supporting plate, and the first fixing bolt abuts against the outer wall of the clamp shell.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects:
the utility model can realize the cycle capacity test of the battery life of square batteries with different specifications and sizes and can simultaneously test the cycle capacity of the battery life of five groups of square batteries with different specifications and sizes or the same specification and size, thereby improving the working efficiency of the cycle capacity test of the battery life of the square battery.
Drawings
In the drawings:
FIG. 1 is a schematic structural diagram I of a square battery cell cycle life capacity test fixture of the utility model;
FIG. 2 is a second schematic structural diagram of the square battery cell cycle life capacity test fixture of the present utility model;
FIG. 3 is a schematic structural diagram III of a square battery cell cycle life capacity test fixture of the utility model;
FIG. 4 is a schematic diagram of a part of a square battery cell cycle life capacity test fixture according to the present utility model;
FIG. 5 is a schematic diagram II of a part of the cyclic life capacity test fixture for square battery cells;
fig. 6 is a schematic diagram of a square battery structure of the square battery cell cycle life capacity test fixture of the utility model.
In the figure: 1. a clamp housing; 2. square battery; 3. a support plate; 301. a first fixing bolt; 302. a first chute; 4. a second chute; 401. a locking block; 402. a second fixing bolt; 403. a first terminal; 404. a second terminal; 405. a first thimble; 406. and the second thimble.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
Example 1:
referring to fig. 1, 2, 4, 5 and 6, a square battery cell cycle life capacity test fixture comprises a fixture shell 1; square batteries 2 placed in the clamp case 1; the plurality of groups of support plates 3 are connected to the clamp shell 1 in a sliding manner, wherein the clamp shell 1 is provided with adjusting units for correspondingly adjusting the plurality of groups of support plates 3, the support plates 3 are symmetrically provided with adjusting parts, the two adjusting parts are respectively provided with a testing unit for testing the service life of the battery of the square battery 2, and the two adjusting parts can correspondingly adjust the interval between the two testing units according to the interval between the positive electrode and the negative electrode of the square battery 2; the adjusting part comprises a second chute 4 and a locking block 401, wherein the second chute 4 is symmetrically arranged on the supporting plate 3, and the locking block 401 is slidably connected to the second chute 4.
The test unit comprises a first wiring end 403, a second wiring end 404, a first thimble 405 and a second thimble 406, wherein the first wiring end 403 and the second wiring end 404 are respectively and fixedly connected to the upper sides of the two locking blocks 401, the first thimble 405 and the second thimble 406 are respectively and fixedly connected to the lower sides of the two locking blocks 401, the first thimble 405 is electrically connected with the first wiring end 403, and the second thimble 406 is electrically connected with the second wiring end 404.
The support plate 3 is provided with five groups, five groups of support plates 3 are equidistantly arranged on the fixture shell 1, and the adjusting part is provided with five groups corresponding to the support plate 3.
The adjusting unit comprises a first sliding chute 302 and a locking part, wherein the first sliding chute 302 is longitudinally arranged on the clamp shell 1, the supporting plate 3 is slidably connected to the first sliding chute 302 through the locking part, and the locking part is used for limiting and fixing the supporting plate 3.
The locking part comprises a first fixing bolt 301, the first fixing bolt 301 is slidably connected in the first chute 302 and is in threaded connection with the support plate 3, and the first fixing bolt 301 abuts against the outer wall of the clamp shell 1.
During the use, the operating personnel can place anchor clamps shell 1 on table surface earlier, then put into anchor clamps shell 1 with square battery 2 to be tested, make square battery 2 be located under the test unit, then operating personnel promotes latch segment 401 and slides in spout two 4, latch segment 401 drives the test unit and removes in square battery 2's top, and then can adjust the test unit, when first thimble 405 on the test unit, second thimble 406 respectively with square battery 2's positive and negative pole upper and lower level coincide, operating personnel stops to promote latch segment 401 and slides in spout two 4, then operating personnel twist fixing bolt one 301, make fixing bolt one 301 keep away from anchor clamps shell 1's lateral wall, and then release spacing fixed to backup pad 3, backup pad 3 slides down under the effect of self weight this moment, backup pad 3 drives the test unit and moves down in step, make first thimble 405 on the test unit, second thimble 406 respectively with square battery 2 on positive and negative pole, then twist fixing bolt one 301 and anchor clamps shell 1 lateral wall offset, thereby can provide spacing fixed connection to the backup pad 3 and the positive and negative pole of battery 2 through the positive and negative pole of the second, can realize that the positive and negative pole of the battery is connected to the positive and negative pole of the test cabinet 3, and the positive and negative pole of the battery of the limit connection is realized, and the limit connection of the battery cabinet is realized, and the life-span is tested.
Based on the sliding of the locking block 401 in the sliding groove II 4, the testing unit can be driven to synchronously move, and an operator can conveniently adjust the testing unit according to the specification of the square battery 2, so that the first thimble 405 and the second thimble 406 on the testing unit can be contacted with the positive electrode and the negative electrode on the square battery 2 with different specifications, and the testing unit can achieve the purpose of carrying out the cyclic capacity test on the service life of the square battery 2 with different specifications;
meanwhile, based on the battery life cycle capacity test mode of the square battery 2, the traditional process of welding the battery by laser can be omitted, so that the appearance structure of the battery is unchanged and can be reused;
referring to fig. 3, taking the example that five groups of test units are symmetrically arranged on five groups of support plates 3, the cycle capacity test can be performed on the battery life of five groups of square batteries 2 with different specifications or the same specification, so that the working efficiency of the cycle capacity test on the battery life of the square battery 2 is improved.
Example 2:
referring to fig. 4 and 5, the square battery cell cycle life capacity test fixture is basically the same as that of the embodiment 1, and further comprises a second fixing bolt 402, wherein the second fixing bolt 402 is slidably connected in the second chute 4 and is in threaded connection with a jack hole formed in the upper side of the locking block 401; when the locking block 401 drives the test unit to move above the square battery 2, and the first thimble 405 and the second thimble 406 on the to-be-tested unit are respectively horizontally overlapped with the positive electrode and the negative electrode on the square battery 2, an operator screws the second fixing bolt 402, so that the second fixing bolt 402 drives the locking block 401 to be tightly attached to the lower side of the supporting plate 3, the test unit can be limited and fixed, and displacement of the test unit in the process of carrying out the cyclic capacity test on the battery life of the square battery 2 is avoided, and the accuracy of carrying out the cyclic capacity test on the battery life of the square battery 2 is affected.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way, although the present utility model has been described in the preferred embodiments, and is not limited thereto.
Claims (6)
1. The square battery cell cycle life capacity test fixture is characterized by comprising a fixture shell (1);
a square battery (2) placed in the clamp shell (1);
a plurality of groups of support plates (3) which are connected on the clamp shell (1) in a sliding way,
the fixture comprises a fixture shell (1), wherein a plurality of groups of supporting plates (3) are correspondingly adjusted on the fixture shell, adjusting parts are symmetrically arranged on the supporting plates (3), test units for testing the service life of batteries of square batteries (2) are arranged on the two adjusting parts, and the two adjusting parts can correspondingly adjust the interval between the two test units according to the interval between the positive electrode and the negative electrode of the square batteries (2);
the adjusting part comprises a sliding groove II (4) and a locking block (401),
the second sliding groove (4) is symmetrically formed on the supporting plate (3), and the locking block (401) is connected to the second sliding groove (4) in a sliding mode.
2. The square battery cell cycle life capacity test fixture according to claim 1, further comprising a second fixing bolt (402), wherein the second fixing bolt (402) is slidably connected in the second sliding chute (4) and is in threaded connection with a plug hole formed in the upper side of the locking block (401).
3. The square battery cell cycle life capacity test fixture according to claim 1, wherein the test unit comprises a first wiring terminal (403), a second wiring terminal (404), a first thimble (405) and a second thimble (406), the first wiring terminal (403) and the second wiring terminal (404) are respectively and fixedly connected to the upper sides of the two locking blocks (401), the first thimble (405) and the second thimble (406) are respectively and fixedly connected to the lower sides of the two locking blocks (401), the first thimble (405) is electrically connected with the first wiring terminal (403), and the second thimble (406) is electrically connected with the second wiring terminal (404).
4. The square battery cell cycle life capacity test fixture according to claim 1, wherein the supporting plates (3) are provided with five groups, the five groups of the supporting plates (3) are equidistantly arranged on the fixture shell (1), and the adjusting component is provided with five groups corresponding to the supporting plates (3).
5. The square battery cell cycle life capacity test fixture according to claim 1, wherein the adjusting unit comprises a first chute (302) and a locking part, the first chute (302) is longitudinally arranged on the fixture shell (1), the supporting plate (3) is slidably connected to the first chute (302) through the locking part, and the locking part is used for limiting and fixing the supporting plate (3).
6. The square battery cell cycle life capacity test fixture according to claim 5, wherein the locking part comprises a first fixing bolt (301), the first fixing bolt (301) is slidably connected in a first sliding groove (302) and is in threaded connection with the supporting plate (3), and the first fixing bolt (301) abuts against the outer wall of the fixture shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322288745.XU CN220795421U (en) | 2023-08-24 | 2023-08-24 | Square battery cell cycle life capacity test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322288745.XU CN220795421U (en) | 2023-08-24 | 2023-08-24 | Square battery cell cycle life capacity test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220795421U true CN220795421U (en) | 2024-04-16 |
Family
ID=90662069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322288745.XU Active CN220795421U (en) | 2023-08-24 | 2023-08-24 | Square battery cell cycle life capacity test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220795421U (en) |
-
2023
- 2023-08-24 CN CN202322288745.XU patent/CN220795421U/en active Active
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