CN220322705U - Explosion-starting pressure testing tool with safety valve cover plate - Google Patents
Explosion-starting pressure testing tool with safety valve cover plate Download PDFInfo
- Publication number
- CN220322705U CN220322705U CN202322037600.2U CN202322037600U CN220322705U CN 220322705 U CN220322705 U CN 220322705U CN 202322037600 U CN202322037600 U CN 202322037600U CN 220322705 U CN220322705 U CN 220322705U
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- China
- Prior art keywords
- testing
- explosion
- cavity
- cover plate
- safety valve
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- 238000012360 testing method Methods 0.000 title claims abstract description 82
- 238000004880 explosion Methods 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model provides a explosion-starting pressure testing tool with a safety valve cover plate, which comprises a workbench; the testing cavity is arranged on the workbench and is used for accommodating a plurality of batteries to be tested, and one side of the testing cavity is provided with an opening; the explosion-proof valve is arranged in an explosion-proof valve hole on the negative electrode cover plate of the battery; the sealing assembly is used for sealing the testing cavity; the air inlet assembly is used for ventilating the sealed test cavity; and the monitoring assembly is used for monitoring the pressure in the sealed testing cavity. The testing tool is simple in structure, convenient and rapid to operate, and capable of testing the pressure inside the battery and effectively preventing explosion accidents caused by overlarge pressure inside the battery.
Description
Technical Field
The utility model relates to the technical field of lithium battery testing, in particular to a explosion-starting pressure testing tool with a safety valve cover plate.
Background
The utility model provides a power lithium cell explosion-proof valve is a high and new technology product in the aspect of about the new energy automobile, through careful design, has accomplished to be waterproof ventilative with explosion-proof function collection as an organic whole, not only has the explosion-proof of traditional explosion-proof valve, reduces the explosion damage function, and simultaneously still has waterproof ventilative function.
The power battery has a large amount of chemical substances in the battery core, and a large amount of mixed gas and liquid can be generated in the charging and discharging process, so that pressure can be accumulated continuously naturally. If the pressures are not balanced or released in time, the case is slightly light, namely the case is deformed and leaked, and if the case is serious, explosion can occur, so that accidents are easy to cause.
Disclosure of Invention
The utility model aims to provide a explosion-starting pressure testing tool with a safety valve cover plate, aiming at the defects of the prior art.
The specific technical scheme is as follows:
a explosion-starting pressure testing tool with a safety valve cover plate and a workbench;
the testing cavity is arranged on the workbench and is used for accommodating a plurality of batteries to be tested, and one side of the testing cavity is provided with an opening;
the explosion-proof valve is arranged in an explosion-proof valve hole on the negative electrode cover plate of the battery;
the sealing assembly is used for sealing the testing cavity;
the air inlet assembly is used for ventilating the sealed test cavity;
and the monitoring assembly is used for monitoring the pressure in the sealed testing cavity.
Optionally, the seal assembly includes support bracket, drive cylinder and cavity clamp plate, the support bracket is located on the workstation, the drive cylinder is installed on the support bracket, the cavity clamp plate install in on the piston rod of drive cylinder, just the cavity clamp plate with the uncovered one side of test cavity is corresponding.
Optionally, the air inlet assembly includes compressor and air inlet pipeline, the one end of air inlet pipeline with the gas outlet of compressor is connected, just the other end of air inlet pipeline with the test cavity is linked together.
Optionally, the monitoring assembly includes a barometer mounted on the test cavity.
Optionally, the explosion-proof valve has an initiation value of 0.6-0.8Mpa.
Optionally, the set pressure value of the compressor is 0.6-0.8Mpa.
Optionally, the positive electrodes of a plurality of the batteries are arranged on the bottom surface of the testing cavity.
Optionally, a separator is disposed between a plurality of the batteries.
Compared with the prior art, the utility model has the beneficial effects that:
the explosion-proof valve, the test cavity, the sealing assembly, the air inlet assembly and the monitoring assembly are arranged in the test fixture, a plurality of batteries to be tested are placed in the test cavity, the sealing assembly is used for sealing one side of the opening of the test cavity, the air inlet assembly is used for ventilating the test cavity, the monitoring assembly is used for monitoring the pressure value in the test cavity, when the pressure value reaches a set value, the explosion-proof valve is detected to be opened or not, if the explosion-proof valve is opened, the internal pressure of the batteries is smaller than the pressure value in the test cavity.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a tool for testing the explosion pressure of a cover plate with a safety valve according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a test cavity in a testing tool for the explosion-starting pressure of a cover plate with a safety valve according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of an installation structure of a battery valve in a testing tool for a detonation pressure of a cover plate with a safety valve according to an embodiment of the present utility model.
In the figure: 1. a work table; 11. a partition plate; 2. a test cavity; 3. an explosion-proof valve; 4. a seal assembly; 41. a support bracket; 42. a driving cylinder; 43. a cavity pressing plate; 5. an air intake assembly; 51. a compressor; 52. an air intake duct; 6. a monitoring component; 7. a battery; 71. a battery case; 72. a negative electrode cover plate; 73. a positive electrode cover plate; 74. and a negative electrode column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
The utility model provides a explosion pressure testing tool with a safety valve cover plate, which is provided with reference to figures 1-3 and comprises the following components:
a work table 1;
the testing device comprises a testing cavity 2, wherein the testing cavity 2 is arranged on a workbench 1, the testing cavity 2 is used for accommodating a plurality of batteries 7 to be tested, one side of the testing cavity 2 is arranged in an open mode, in the embodiment, the upper end of the arranged testing cavity 2 is arranged in an open mode, the batteries 7 comprise a battery 7 shell, a positive electrode cover plate 73 and a negative electrode cover plate 72, the positive electrode cover plate 73 and the negative electrode cover plate 72 are arranged on the battery 7 shell, and a negative electrode column 74 is arranged on the negative electrode cover plate 72;
the explosion-proof valve 3 is arranged in an explosion-proof valve 3 hole on the negative electrode cover plate 72 of the battery 7;
a sealing assembly 4 for sealing the test cavity 2;
an air inlet assembly 5 for venting air into the sealed test cavity 2;
a monitoring assembly 6 for monitoring the pressure within the sealed test chamber 2.
The explosion-proof valve 3 is fixedly arranged on the negative electrode cover plate 72 of the battery 7, an explosion-proof valve hole matched with the explosion-proof valve 3 is formed in the negative electrode cover plate 72, a plurality of batteries 7 to be tested are placed in the test cavity 2 from the opening of the test cavity 2, in the embodiment, the positive electrodes of the batteries 7 are placed on the bottom surface of the test cavity 2, the batteries 7 are conveniently and stably placed, and the separation plate 11 is arranged among the batteries 7, so that the batteries 7 to be tested can be separated without mutual influence; after placing a plurality of batteries 7 that await measuring, seal the open one side of test cavity 2 through seal assembly 4, rethread air inlet module 5 ventilates in to test cavity 2, monitor the pressure value in the test cavity 2 of subassembly 6 monitoring simultaneously, when pressure value reachs a set value, detect explosion-proof valve 3 and can open and explode, if explosion-proof valve 3 opens and explodes, the pressure in the test cavity 2 is less than the pressure value in this moment in 7 internal pressures of battery, thereby can test out the inside pressure of battery 7, effectively prevent the condition that the explosion accident takes place that the too big internal pressure of battery 7 caused.
Wherein, seal assembly 4 includes support frame 41, drive cylinder 42 and cavity clamp plate 43, support frame 41 locates on workstation 1, drive cylinder 42 installs on support frame 41, drive cylinder 42's piston rod is vertical setting downwards, and cavity clamp plate 43 installs on drive cylinder 42's piston rod, and cavity clamp plate 43 corresponds with test cavity 2's uncovered one side, after a plurality of batteries 7 that await measuring are stable to be placed in test cavity 2 by test cavity 2's uncovered, start drive cylinder 42, drive cylinder 42 drives cavity clamp plate 43 and covers test cavity 2's upper end, make test cavity 2 seal.
Specifically, the air inlet assembly 5 includes a compressor 51 and an air inlet pipe 52, one end of the air inlet pipe 52 is connected with an air outlet of the compressor 51, the other end of the air inlet pipe 52 is communicated with the test cavity 2, after the test cavity 2 is sealed, the compressor 51 is turned on, and air is ventilated into the air inlet pipe 52 and the test cavity 2 through the compressor 51, so that the test cavity 2 is pressurized.
The monitoring component 6 comprises a barometer, the lateral wall of the testing cavity 2 is provided with a barometer hole, the barometer is arranged on a barometer mounting hole on the testing cavity 2, and the air pressure in the testing cavity 2 can be monitored in real time.
The explosion valve 3 has an explosion value of 0.6-0.8Mpa, the compressor 51 can also be set to have a pressure value of 0.6-0.8Mpa, the compressor 51 is started, when the compressor 51 is set to have a pressure value of 0.6Mpa, whether the explosion valve 3 is exploded or not is detected, and if the explosion valve 3 is exploded, the internal pressure of the battery 7 is smaller than 0.6Mpa.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (8)
1. Take relief valve apron to open pressure test fixture that explodes, a serial communication port, include
A work table;
the testing cavity is arranged on the workbench and is used for accommodating a plurality of batteries to be tested, and one side of the testing cavity is provided with an opening;
the explosion-proof valve is arranged in an explosion-proof valve hole on the negative electrode cover plate of the battery;
the sealing assembly is used for sealing the testing cavity;
the air inlet assembly is used for ventilating the sealed test cavity;
and the monitoring assembly is used for monitoring the pressure in the sealed testing cavity.
2. The tool for testing the explosion pressure of the cover plate with the safety valve according to claim 1, wherein the sealing assembly comprises a supporting bracket, a driving cylinder and a cavity pressing plate, the supporting bracket is arranged on the workbench, the driving cylinder is arranged on the supporting bracket, the cavity pressing plate is arranged on a piston rod of the driving cylinder, and the cavity pressing plate corresponds to one side of an opening of the testing cavity.
3. The tool for testing the explosion pressure of the cover plate with the safety valve according to claim 1, wherein the air inlet assembly comprises a compressor and an air inlet pipeline, one end of the air inlet pipeline is connected with an air outlet of the compressor, and the other end of the air inlet pipeline is communicated with the testing cavity.
4. The tool for testing the explosion pressure of the cover plate with the safety valve according to claim 1, wherein the monitoring assembly comprises a barometer, and the barometer is installed on the testing cavity.
5. The tool for testing the explosion pressure of the cover plate with the safety valve according to claim 1, wherein the explosion valve has an explosion value of 0.6-0.8Mpa.
6. The tool for testing the explosion pressure of the cover plate with the safety valve according to claim 3, wherein the set pressure value of the compressor is 0.6-0.8Mpa.
7. The tool for testing the explosion pressure of the cover plate with the safety valve according to claim 1, wherein the positive electrodes of the batteries are arranged on the bottom surface of the testing cavity.
8. The explosion pressure testing tool with the safety valve cover plate according to claim 1, wherein a separation plate is arranged among a plurality of batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322037600.2U CN220322705U (en) | 2023-07-28 | 2023-07-28 | Explosion-starting pressure testing tool with safety valve cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322037600.2U CN220322705U (en) | 2023-07-28 | 2023-07-28 | Explosion-starting pressure testing tool with safety valve cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220322705U true CN220322705U (en) | 2024-01-09 |
Family
ID=89425749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322037600.2U Active CN220322705U (en) | 2023-07-28 | 2023-07-28 | Explosion-starting pressure testing tool with safety valve cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220322705U (en) |
-
2023
- 2023-07-28 CN CN202322037600.2U patent/CN220322705U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |