CN202710269U - Lithium ion power battery housing leakage test device - Google Patents
Lithium ion power battery housing leakage test device Download PDFInfo
- Publication number
- CN202710269U CN202710269U CN 201220303695 CN201220303695U CN202710269U CN 202710269 U CN202710269 U CN 202710269U CN 201220303695 CN201220303695 CN 201220303695 CN 201220303695 U CN201220303695 U CN 201220303695U CN 202710269 U CN202710269 U CN 202710269U
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- Prior art keywords
- battery case
- filling block
- battery housing
- ion power
- lithium
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to the technical field of lithium ion battery manufacturing, and especially relates to a lithium ion power battery housing leakage test device. The housing leakage test device comprises a baseboard, a compacting seal mechanism, a filling block whose shape is matched with the shape of the battery housing, an air path mechanism, and a detection mechanism. The compacting seal mechanism and the filling block are arranged on the baseboard separately. The filling block is provided with an air inlet and an air outlet. The air inlet is communicated with the air path mechanism through a pipeline. The air path mechanism is communicated with the detection mechanism through a pipeline. The rapid clamping operation in a battery housing compacting mechanism is convenient, and the battery housing is firmed through a battery housing pressing plate, so that the test device of the utility model can be used to ensure that the battery housing will not undergo displacement and deformation in the process of air charging tests. The air charging mouth is equipped with a seal ring, so the air will not leak, and the test accuracy is ensured. According to the filling block, the inner space of the battery housing is reduced, the test air charging time and the equilibration time are reduced, and the test stability is improved.
Description
Technical field
The utility model relates to technical field of lithium-ion battery, relates in particular to a kind of lithium-ion power battery shell leak testing device.
Background technology
Along with the energy crisis in the global range and problem of environmental pollution are day by day serious, seek Green Sustainable new forms of energy oneself become the main development direction of energy field.Electric automobile is developed rapidly as a kind of new forms of energy vehicles of energy-conserving and environment-protective, lithium ion battery because of have the energy density height, have extended cycle life, the advantage such as green non-pollution, make it become one of electrical source of power that gets most of the attention.But the security of large capacity reason ion battery is one of subject matter of its development of restriction always, and under abuse conditions, in the situations such as high temperature, internal short-circuit, extruding, vibration, battery also can be smoldered, catches fire even be exploded, and brings potential safety hazard to the user.Therefore the security that improves the reason ion battery is the main direction of electrokinetic cell research always.
The battery assembly process is one of important step of lithium-ion-power cell production, battery is tested Lou, and link is again the most important thing of assembling process, battery sealing-performance is bad, can cause battery electrolyte to leak, have a strong impact on battery performance and serviceable life, if especially reveal at postorder electrolytic solution, have etching apparatus and critical personal safety, unhealthful danger.The box hat housing of power cell is welded into tubular by the corrosion resistant plate bending, weld again base plate, increasing of weld bond increased the bad probability of weld defects, at present the sealing of box hat housing does not have a kind of effective method of inspection, and the bad housing of sealing exists and flows into the hidden danger that postorder causes electrolyte leakage behind the battery liquid-filling.Based on above reason, design a kind of box hat battery case and experience leakage mechanism, battery container is carried out Leakage Test, not only can avoid causing battery leakage because the bad battery of sealing flows into postorder, and battery case sealing defective products can carry out repair for 1st time, greatly reduce the product fraction defective, reduced manufacturing cost.
The utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and a kind of lithium-ion power battery shell leak testing device is provided, and can carry out Leakage Test to battery container fast, avoids causing battery leakage because the bad battery of sealing flows into postorder.
The utility model for achieving the above object, by the following technical solutions: a kind of lithium-ion power battery shell leak testing device, the filling block, gas circuit mechanism and the testing agency that comprise base plate, be used for the compacting sealing mechanism of self-contained battery shell, be complementary with the battery case shape, described compacting sealing mechanism and filling block are separately positioned on the base plate, described filling block is provided with air intake opening and gas outlet, described air intake opening is by pipeline and gas circuit mechanism connection, and described gas circuit mechanism is communicated with testing agency by pipeline.
Described compacting sealing mechanism mainly is made of three limited blocks, pressing plates, and described limited block surrounds the battery case rest area that is complementary with the battery case shape, and wherein a limited block top and pressing plate are hinged, is provided with on two other limited block to compress the elbow folder.
The end of described filling block is provided with sealing gasket, and the size of described sealing gasket is greater than the size of battery case faucal.
Described base plate is provided with limit guide rail, and described limit guide rail extends to the battery case rest area, and described filling block and limit guide rail are slidingly connected.
The both sides of described limit guide rail are provided with spacing elbow folder.
Described testing agency is differential air leakage tester.
The beneficial effects of the utility model are: the fast folder in the battery case hold-down mechanism is easy to operate, and has the battery case pressing plate that battery case is carried out firmly, guarantees in the inflation test process that battery case is not subjected to displacement and is out of shape.Inflation inlet is furnished with O-ring seal, and gas can not leak, and guarantees test accuracy.Filling block has reduced the battery case inner space, has shortened test inflationtime and equilibration time, improves measuring stability.This tests Lou that mechanism is furnished with tight air-channel system, the whole system good airproof performance, thus guaranteed the accuracy of test result.Test the highly accurate differential air leakage tester of undetected survey mechanism's employing, it is comparatively accurate to test the test leakage test result.Avoid the bad battery case of sealing to flow into postorder because of the battery case leakage and waste battery.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Among the figure: 1. base plate; 2, filling block; 3. gas outlet; 4. limited block; 5, pressing plate; 6. battery case rest area; 7. compress the elbow folder; 8. sealing gasket; 9. limit guide rail; 10, spacing elbow folder.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing and preferred embodiment.As shown in Figure 1, a kind of lithium-ion power battery shell leak testing device, filling block 2, gas circuit mechanism (figure mark) and the testing agency (marking among the figure) that comprise base plate 1, be used for the compacting sealing mechanism of self-contained battery shell, be complementary with the battery case shape, gas circuit mechanism mainly is air compressor, and testing agency is a rain glass.Described compacting sealing mechanism and filling block are separately positioned on the base plate, and described filling block is provided with air intake opening (among the figure mark) and gas outlet 3, and described air intake opening is by pipeline and gas circuit mechanism connection, and described gas circuit mechanism is communicated with testing agency by pipeline.Filling block has the in addition effect of two aspects simultaneously as the passage of transmission pressure gas in battery case, has reduced the battery case inner space on the one hand, has shortened test inflationtime and equilibration time, improves measuring stability.Play on the other hand the effect of support cells housing, make battery case indeformable in test process.
In the utility model, described compacting sealing mechanism mainly is made of three limited blocks 4, pressing plate 5, described limited block surrounds the battery case rest area 6 that is complementary with the battery case shape, and wherein a limited block top and pressing plate are hinged, is provided with on two other limited block to compress elbow folder 7.Battery case can be placed in the battery case rest area, and pressing plate compresses battery case, compresses the elbow folder and is used for pressing plate is fixed on base plate with battery case closely.Can not leak for fear of gas, guarantee test accuracy.The end of described filling block is provided with sealing gasket 8, and the size of described sealing gasket is greater than the size of battery case faucal.Described base plate is provided with limit guide rail 9, and described limit guide rail extends to the battery case rest area, and described filling block and limit guide rail are slidingly connected.The both sides of described limit guide rail are provided with spacing elbow folder 10, are used for filling block is compressed battery case closely.In the utility model, described testing agency is differential air leakage tester.
The course of work: battery case is put down gently in the battery case rest area, slided into the top along limit guide rail, filling block is entered in battery case, battery plate is depressed, promote fast folder clamping work pieces, the sealing of battery faucal.Press start button on the tester and carry out battery case and test undetected survey, the tester green indicating lamp is bright Lou qualified for testing, if red led bright then test Lou defective.Test finishes pusher and changes up folder, and the battery case pressing plate is opened, and pulls out the battery case inner chamber body, and battery case is taken off, and qualified battery case is put into turnover box, and defective battery case need carry out repair welding.Fast folder in the battery case hold-down mechanism is easy to operate, and has the battery case pressing plate that battery case is carried out firmly, guarantees in the inflation test process that battery case is not subjected to displacement and is out of shape.Inflation inlet is furnished with O-ring seal, and gas can not leak, and guarantees test accuracy.Filling block has reduced the battery case inner space, has shortened test inflationtime and equilibration time, improves measuring stability.This tests Lou that mechanism is furnished with tight air-channel system, the whole system good airproof performance, thus guaranteed the accuracy of test result.Test the highly accurate differential air leakage tester of undetected survey mechanism's employing, it is comparatively accurate to test the test leakage test result.Avoid the bad battery case of sealing to flow into postorder because of the battery case leakage and waste battery.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. lithium-ion power battery shell leak testing device, it is characterized in that: the filling block, gas circuit mechanism and the testing agency that comprise base plate, be used for the compacting sealing mechanism of self-contained battery shell, be complementary with the battery case shape, described compacting sealing mechanism and filling block are separately positioned on the base plate, described filling block is provided with air intake opening and gas outlet, described air intake opening is by pipeline and gas circuit mechanism connection, and described gas circuit mechanism is communicated with testing agency by pipeline.
2. lithium-ion power battery shell leak testing device according to claim 1, it is characterized in that: described compacting sealing mechanism mainly is made of three limited blocks, pressing plates, described limited block surrounds the battery case rest area that is complementary with the battery case shape, wherein a limited block top and pressing plate are hinged, are provided with on two other limited block to compress the elbow folder.
3. lithium-ion power battery shell leak testing device according to claim 2, it is characterized in that: the end of described filling block is provided with sealing gasket, and the size of described sealing gasket is greater than the size of battery case faucal.
4. lithium-ion power battery shell leak testing device according to claim 3, it is characterized in that: described base plate is provided with limit guide rail, and described limit guide rail extends to the battery case rest area, and described filling block and limit guide rail are slidingly connected.
5. lithium-ion power battery shell leak testing device according to claim 4 is characterized in that: the both sides of described limit guide rail are provided with spacing elbow folder.
6. according to claim 1 to 5 one of any described lithium-ion power battery shell leak testing devices, it is characterized in that: described testing agency is differential air leakage tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303695 CN202710269U (en) | 2012-06-26 | 2012-06-26 | Lithium ion power battery housing leakage test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303695 CN202710269U (en) | 2012-06-26 | 2012-06-26 | Lithium ion power battery housing leakage test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710269U true CN202710269U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220303695 Expired - Lifetime CN202710269U (en) | 2012-06-26 | 2012-06-26 | Lithium ion power battery housing leakage test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202710269U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764565A (en) * | 2015-04-07 | 2015-07-08 | 邬汝源 | Battery sealing testing device |
| CN106595985A (en) * | 2016-11-02 | 2017-04-26 | 天津市捷威动力工业有限公司 | Airtightness detection device for LEV battery box |
| CN107123830A (en) * | 2017-06-05 | 2017-09-01 | 镇江成泰自动化技术有限公司 | A kind of battery core leak testing device of high leakproofness and its test leakage method |
| CN108801337A (en) * | 2018-05-10 | 2018-11-13 | 宁海县美丁模塑有限公司 | A kind of testing agency of the plastic casing of accumulator |
| CN108956049A (en) * | 2018-08-07 | 2018-12-07 | 宁波蓝鲸自动化科技有限公司 | A kind of battery case air tightness detection equipment and its detection method |
| CN110608951A (en) * | 2019-09-11 | 2019-12-24 | 深圳市誉辰自动化设备有限公司 | Casing pressure resistance testing machine and casing pressure resistance testing method |
-
2012
- 2012-06-26 CN CN 201220303695 patent/CN202710269U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764565A (en) * | 2015-04-07 | 2015-07-08 | 邬汝源 | Battery sealing testing device |
| CN106595985A (en) * | 2016-11-02 | 2017-04-26 | 天津市捷威动力工业有限公司 | Airtightness detection device for LEV battery box |
| CN107123830A (en) * | 2017-06-05 | 2017-09-01 | 镇江成泰自动化技术有限公司 | A kind of battery core leak testing device of high leakproofness and its test leakage method |
| CN107123830B (en) * | 2017-06-05 | 2023-11-03 | 常州厚丰新能源有限公司 | High-tightness battery cell leakage detection device and leakage detection method thereof |
| CN108801337A (en) * | 2018-05-10 | 2018-11-13 | 宁海县美丁模塑有限公司 | A kind of testing agency of the plastic casing of accumulator |
| CN108801337B (en) * | 2018-05-10 | 2024-06-04 | 宁波美丁模塑有限公司 | Detection mechanism for plastic shell of storage battery |
| CN108956049A (en) * | 2018-08-07 | 2018-12-07 | 宁波蓝鲸自动化科技有限公司 | A kind of battery case air tightness detection equipment and its detection method |
| CN110608951A (en) * | 2019-09-11 | 2019-12-24 | 深圳市誉辰自动化设备有限公司 | Casing pressure resistance testing machine and casing pressure resistance testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300384 Tianjin Xiqing District Binhai new and high technology Industrial Development Zone Huayuan Technology Park (outside the ring) Hai Tai Nan Road No. 38. Patentee after: LISHEN POWER BATTERY SYSTEMS Co.,Ltd. Address before: 300384 Tianjin Xiqing District Binhai new and high technology Industrial Development Zone Huayuan Technology Park (outside the ring) Hai Tai Nan Road No. 38. Patentee before: LISHEN MILES POWER BATTERY SYSTEMS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220130 Address after: 266500 Minshan Road, Huangdao District, Qingdao, Shandong Patentee after: LISHEN (QINGDAO) NEW ENERGY CO.,LTD. Address before: 300384 Tianjin Xiqing District Binhai new and high technology Industrial Development Zone Huayuan Technology Park (outside the ring) Hai Tai Nan Road No. 38. Patentee before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |
|
| CX01 | Expiry of patent term |