CN203259308U - Polymer flexible-package lithium ion battery liquid leakage detection device - Google Patents
Polymer flexible-package lithium ion battery liquid leakage detection device Download PDFInfo
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- CN203259308U CN203259308U CN 201320138428 CN201320138428U CN203259308U CN 203259308 U CN203259308 U CN 203259308U CN 201320138428 CN201320138428 CN 201320138428 CN 201320138428 U CN201320138428 U CN 201320138428U CN 203259308 U CN203259308 U CN 203259308U
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- leakage detection
- liquid leakage
- lithium ion
- detection device
- ion battery
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Abstract
The utility model relates to a polymer flexible-package lithium ion battery liquid leakage detection device, which comprises a liquid leakage detection casing for accommodating a lithium ion battery to be detected. The liquid leakage detection device is characterized in that the side wall of the liquid leakage detection casing is provided with an air blowing opening communicated with the inner wall of the liquid leakage detection casing; and the air blowing opening is also connected with an air filter. The liquid leakage detection device has the beneficial effects of eliminating organic matters existing in compressed air and being the essential factor in affecting testing effects; fundamentally ensuring the effectiveness of battery liquid leakage detection equipment; and further guaranteeing the sealing qualities of delivery batteries. By removing organic molecules inside the compressed air and preventing foreign matters from affecting tests, the battery liquid leakage detection device has the detection capability enhanced and ensures the accuracy of detection results. Meanwhile, the pollution concentration of the liquid leakage detection device is lowered. The service lifetime of the liquid leakage detection device is further prolonged. By using active carbon to absorb organic molecules with high efficiency and adding a filtering operation before the compressed air is sucked into a testing chamber of the battery liquid leakage detection device, the battery liquid leakage detection device prevents the testing results from being affected by the foreign matters.
Description
Technical field
The utility model belongs to the lithium ion battery pick-up unit, relates in particular to a kind of polymer flexible packaging lithium ion battery apparatus for testing weeping that improves the leakage power of test.
Background technology
Polymer flexible packaging lithium ion battery has the advantages such as voltage is high, specific energy is high, recycle often, storage time is long, not only be used widely as mobile phone, Digital Video and laptop computer on portable electric appts, and be widely used in the big-and-middle-sized electrical equipment such as electric automobile, electric bicycle and electric tool aspect.Polymer flexible packaging lithium ion battery has better external form dirigibility with respect to square and circular lithium-ion batteries, so more be applied in the electronic equipment of various pursuits fashion attractive in appearance.
The polyalcohol flexible packing battery is take aluminum-plastic packaging bag as battery case, in the battery assembling process, packaging by hot pressing need to be carried out in three limits of battery, always have following situation in encapsulation process and affect package quality: parameter is controlled in (1) encapsulation, unusual fluctuations appear as temperature, pressure, time, the PP layer melten gel weak effect that can cause sealing, and then cause battery leakage; (2) due to the anti-physical shock ability of housing, always have some mechanical external forces and act on battery in whole production run, cause housing damaged, and then cause battery leakage; (3) battery aluminum-plastic packaging bag internal layer is the PP material, and breakage very easily occurs in encapsulation process, and under the corrosive attack of electrolytic solution, the housing of breakage can pierce by corrosion, and then causes battery leakage.Above bad product is to screen by a kind of leakage checkout equipment to choose.As application number: 201020619985.3 disclose a kind of lithium ion battery leakage detecting device, comprise the casing that holds lithium ion battery to be measured, it is characterized in that, the top of described casing is with the gas outlet, the position, gas outlet is covered with inverted funnel, be provided with organic compound component detector, the detection head of this organic compound component detector is positioned at the opening part at described funnel top.The utility model the detection of outside batteries environmental change has been realized the inspection to the lithium ion battery sealing effectiveness by leakage of lithium ion battery is caused, thus the loss of having avoided leakage bulging potential safety hazard that battery causes because sealing is bad that the client is caused.Above-mentioned traditional Leak examination device causes the leakage power of test to descend due to the impact that is compressed organic molecule content in air, and the test effect is undesirable, can not satisfy the index of need of production and product export.
The utility model content
The utility model is in order to overcome deficiency of the prior art, a kind of polymer flexible packaging lithium ion battery apparatus for testing weeping is provided, for the impurity organic molecule in pressurized air, having carried out effective filtration stops, promote apparatus for testing weeping and detect power, can effectively promote detecting of bad polymer battery.
The utility model for achieving the above object, be achieved through the following technical solutions, a kind of polymer flexible packaging lithium ion battery apparatus for testing weeping, comprise that the leakage that holds lithium ion battery to be measured detects casing, it is characterized in that: described leakage detection case body sidewall is provided with the inflatable mouth that communicates with its inwall, and described inflatable mouth is connected with air strainer.
Described air strainer comprises filtrator cavity and built-in activated charcoal filling material, is respectively equipped with pressurized air interface tube and gas outlet before and after described filtrator cavity.
Described compressed air hose interface is provided with the barrier that prevents that activated charcoal from overflowing.
Described filter chamber shape is cylindrical or square.
Described filtrator cavity adopts polytetrafluoroethylmaterial material to make.
Beneficial effect: the basic factor (organism in pressurized air) of having eliminated impact test effect, fundamentally guaranteed the validity of battery leakage checkout equipment, and then guaranteed the airtight quality of shipment battery to have reduced the potential safety hazard in client's use procedure.By removing the organic molecule in pressurized air, the impact of impurity factor when eliminating test improves the Detection capability of leakage checkout equipment and the accuracy that assurance detects result.Reduce the pollution concentration of leakage detector, extended the serviceable life of leakage detector; Install simple, effective, practical, with low cost.Promoted popularization and the application of leakage of lithium ion battery detector in manufacturing enterprise.Utilize activated carbon granule to the high absorption capacity of organic molecule, before pressurized air is blown into battery leakage pick-up unit test cavity, increase filter progress, make test result avoid the impact of impurity factor.
Description of drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1, leakage detects casing, and 2, inflatable mouth, 3, air strainer, 3-1, filtrator cavity, 3-2, activated charcoal filling material, 3-3, pressurized air interface tube, 3-4, gas outlet, 3-5, barrier.
Embodiment
Below in conjunction with preferred embodiment, details are as follows to embodiment that foundation the utility model provides: see accompanying drawing for details, a kind of polymer flexible packaging lithium ion battery apparatus for testing weeping, comprise that the leakage that holds lithium ion battery to be measured detects casing 1, described leakage detection case body sidewall is provided with the inflatable mouth 2 that communicates with its inwall, described inflatable mouth is connected with air strainer 3, and the filter core of filtered air is housed in air strainer.
The utility model preferred version is: air strainer comprises filtrator cavity 3-1 and built-in activated charcoal filling material 3-2, is respectively equipped with pressurized air interface tube 3-3 and gas outlet 3-4 before and after described filtrator cavity.
The utility model preferred version is: be provided with the barrier 3-5 that prevents that activated charcoal from overflowing at the compressed air hose interface.
The utility model preferred plan is that the filter chamber shape is cylindrical or square.Described filtrator cavity adopts polytetrafluoroethylmaterial material to make.
At testing apparatus inflatable mouth place, increase the air strainer that a cover polytetrafluoroethylmaterial material is made, the inner completely high-purity activity charcoal (specification: 500m of filling of filtrator cavity
2/ g), having the interface for circulation of air before and after cavity, interface increases the barrier that stops activated carbon granule to be overflowed, the pressurized air dispatch tube is connected with the cavity interface respectively, and guarantee the sealing of junction, and then complete this device, i.e. the assembling of air strainer.
Air strainer is connected with the battery leakage checkout equipment, during test, the pressurized air that enters leakage checkout equipment cavity preferentially passes through air strainer, thereby guaranteed compressed-air actuated pure (experimental results show that unfiltered pressurized air organic impurity content is 1800ppb～2000ppb, and the pressurized air organic impurity content after filtering being less than 5ppb).
The above is only preferred embodiment of the present utility model, is not structure of the present utility model is done any pro forma restriction.Every foundation technical spirit of the present utility model all still belongs in the scope of the technical solution of the utility model any simple modification, equivalent variations and modification that above embodiment does.
Claims (5)
1. polymer flexible packaging lithium ion battery apparatus for testing weeping, comprise that the leakage that holds lithium ion battery to be measured detects casing, it is characterized in that: described leakage detection case body sidewall is provided with the inflatable mouth that communicates with its inwall, and described inflatable mouth is connected with air strainer.
2. polymer flexible packaging lithium ion battery apparatus for testing weeping according to claim 1, it is characterized in that: described air strainer comprises filtrator cavity and built-in activated charcoal filling material, is respectively equipped with pressurized air interface tube and gas outlet before and after described filtrator cavity.
3. polymer flexible packaging lithium ion battery apparatus for testing weeping according to claim 2 is characterized in that: described compressed air hose interface is provided with the barrier that prevents that activated charcoal from overflowing.
4. according to claim 2 or 3 described polymer flexible packaging lithium ion battery apparatus for testing weeping, it is characterized in that: described filter chamber shape is cylindrical or square.
5. polymer flexible packaging lithium ion battery apparatus for testing weeping according to claim 4 is characterized in that: described filtrator cavity adopts polytetrafluoroethylmaterial material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320138428 CN203259308U (en) | 2013-03-25 | 2013-03-25 | Polymer flexible-package lithium ion battery liquid leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320138428 CN203259308U (en) | 2013-03-25 | 2013-03-25 | Polymer flexible-package lithium ion battery liquid leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259308U true CN203259308U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320138428 Expired - Lifetime CN203259308U (en) | 2013-03-25 | 2013-03-25 | Polymer flexible-package lithium ion battery liquid leakage detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203259308U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733717A (en) * | 2016-12-27 | 2017-05-31 | 浙江超威创元实业有限公司 | A kind of method for detecting that soft package lithium battery is damaged |
| CN112665794A (en) * | 2020-12-21 | 2021-04-16 | 江苏万锂达智能科技有限公司 | Lithium ion battery leakage detection method |
-
2013
- 2013-03-25 CN CN 201320138428 patent/CN203259308U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733717A (en) * | 2016-12-27 | 2017-05-31 | 浙江超威创元实业有限公司 | A kind of method for detecting that soft package lithium battery is damaged |
| CN106733717B (en) * | 2016-12-27 | 2019-01-25 | 浙江超威创元实业有限公司 | A method of detection soft package lithium battery is damaged |
| CN112665794A (en) * | 2020-12-21 | 2021-04-16 | 江苏万锂达智能科技有限公司 | Lithium ion battery leakage detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230210 Address after: 300000 No.38 Haitai South Road, Huayuan Industrial Zone (outside the ring), High-tech Zone, Binhai New Area, Tianjin Patentee after: Tianjin Juyuan New Energy Technology Co.,Ltd. Address before: 300384 Tianjin Xiqing District Binhai hi tech Industrial Development Zone (outer ring) 38 Haitai South Road Patentee before: TIANJIN LISHEN BATTERY JOINT-STOCK Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
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| CX01 | Expiry of patent term |