CN108767339B - Pressure adjusting system for leakage inspection of lithium ion secondary battery - Google Patents
Pressure adjusting system for leakage inspection of lithium ion secondary battery Download PDFInfo
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- CN108767339B CN108767339B CN201810440610.1A CN201810440610A CN108767339B CN 108767339 B CN108767339 B CN 108767339B CN 201810440610 A CN201810440610 A CN 201810440610A CN 108767339 B CN108767339 B CN 108767339B
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- cavity
- sealing cavity
- air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4228—Leak testing of cells or batteries
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- 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
Abstract
The invention belongs to the technical field of leakage inspection of lithium batteries, and particularly relates to a pressure adjusting system for leakage inspection of a lithium ion secondary battery. This a pressure regulation system for lithium ion secondary battery reveals inspection, including upper seal chamber, lower seal receptacle and centre gripping detection mechanism, upper seal chamber and lower seal receptacle lock are equipped with a plurality of centre gripping detection mechanisms in the cavity of upper seal chamber and lower seal receptacle lock, and centre gripping detection mechanism and the junction and the atmosphere intercommunication of upper seal chamber and lower seal receptacle are equipped with the inlet port on the upper seal chamber lateral wall, through inlet port and relief pressure valve intercommunication. The beneficial effects are as follows: under the same pressure, the shape variation of the covered battery is larger, and the quality of the battery is more convenient to identify.
Description
Technical Field
The invention belongs to the technical field of leakage inspection of lithium batteries, and particularly relates to a pressure adjusting system for leakage inspection of a lithium ion secondary battery.
Background
Lithium cell product is used for the power energy aspect in aspects such as cell-phone, electric automobile, and original sucking disc all makes the defective products produce the bubble through increasing atmospheric pressure, thereby needs to have certain requirement to the pressure of air supply like this to former sucking disc is used for the restriction of overall dimension, and the bubble that the defective products produced is all very little, is difficult for visual inspection personnel to discern.
Disclosure of Invention
The invention provides a pressure regulating system for leakage inspection of a good lithium ion secondary battery, which can make up for the defects of the prior art and can not generate bubbles in the leakage inspection.
The invention is realized by the following technical scheme:
a pressure regulating system for leakage inspection of a lithium ion secondary battery comprises an upper sealing cavity, a lower sealing seat and clamping detection mechanisms, wherein the upper sealing cavity is buckled with the lower sealing seat, a plurality of clamping detection mechanisms are arranged in a cavity formed by buckling the upper sealing cavity with the lower sealing seat, the joints of the clamping detection mechanisms with the upper sealing cavity and the lower sealing seat are communicated with the atmosphere, and an air inlet hole is formed in the side wall of the upper sealing cavity and communicated with a pressure reducing valve through the air inlet hole;
the clamping detection mechanism comprises an upper receiving table and a lower receiving table, wherein sealing rings are respectively arranged on the opposite surfaces of the upper receiving table and the lower receiving table, the upper receiving table is positioned on an upper sealing cavity, the lower receiving table is positioned on a lower sealing seat, an upper air release hole is formed in the upper sealing cavity corresponding to the upper receiving table, and a lower air release hole is formed in the lower sealing seat corresponding to the lower receiving table;
the upper air leakage holes and the lower air leakage holes on the upper sealing cavity and the lower sealing seat are respectively communicated with the air outlet holes through corresponding communicating air passages on the upper sealing cavity and the lower sealing seat;
the clamping detection device is characterized in that three clamping detection mechanisms are arranged in a cavity formed by buckling the upper sealing cavity and the lower sealing seat, communicated air passages are respectively arranged on the upper sealing cavity and the lower sealing cavity, and the clamping detection mechanisms are communicated with the atmosphere through the communicated air passages and air outlet holes.
Further, a plurality of side stop blocks are arranged on the lower receiving platform, the positions of the batteries are limited through the side stop blocks, and the positions of the side stop blocks are arranged on the lower receiving platform according to the external contour of the batteries.
The invention has the beneficial effects that: the contact surface of the battery is covered when the seal ring on the upper receiving platform and the lower receiving platform is enlarged and detected, so that the contact surface is under the same pressure according to an F-P-S formula, when P is fixed, S is larger, F is larger, the covered battery appearance variation is larger, and the battery is more convenient to identify.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention;
figure 2 is a cross-sectional view of the present invention.
In the figure, an upper sealing cavity is 1, a lower sealing seat is 2, an air passage is 3 communicated, a battery is 4, an upper receiving platform is 5, a lower receiving platform is 6, a side stop block is 7, a sealing ring is 8, an upper air release hole is 9, an air outlet hole is 10, an air release hole is 11, and an air inlet hole is 12.
Detailed Description
Fig. 1 and 2 show an embodiment of the present invention. The invention relates to a pressure regulating system for leakage inspection of a lithium ion secondary battery, which comprises an upper sealing cavity 1, a lower sealing seat 2 and clamping detection mechanisms, wherein the upper sealing cavity 1 is buckled with the lower sealing seat 2, a plurality of clamping detection mechanisms are arranged in a cavity where the upper sealing cavity 1 is buckled with the lower sealing seat 2, the joints of the clamping detection mechanisms and the upper sealing cavity 1 and the lower sealing seat 2 are communicated with the atmosphere, and the side wall of the upper sealing cavity 1 is provided with an air inlet 12 which is communicated with a pressure reducing valve through the air inlet 12;
the clamping detection mechanism comprises an upper receiving table 5 and a lower receiving table 6, wherein sealing rings 8 are respectively arranged on the opposite surfaces of the upper receiving table 5 and the lower receiving table 6, the upper receiving table 5 is positioned on an upper sealing cavity 1, the lower receiving table 6 is positioned on a lower sealing seat 2, an upper air leakage hole 9 is formed in the upper sealing cavity 1 corresponding to the upper receiving table 5, and a lower air leakage hole 11 is formed in the lower sealing seat 2 corresponding to the lower receiving table 6;
the upper air leakage holes 9 and the lower air leakage holes 11 on the upper sealing cavity 1 and the lower sealing seat 2 are respectively communicated with the air outlet holes 10 through the corresponding communicating air passages 3 on the upper sealing cavity 1 and the lower sealing seat 2;
three clamping detection mechanisms are arranged in a cavity formed by buckling the upper sealing cavity 1 and the lower sealing seat 2, the upper sealing cavity 1 and the lower sealing cavity are respectively provided with a communication air passage 3, and the clamping detection mechanisms are communicated with the atmosphere through the communication air passages 3 and the air outlet holes 10.
Further, a plurality of side stoppers 7 are provided on the lower platform 6, and the position of the battery is defined by each side stopper 7, and the position of the side stopper 7 is disposed on the lower platform 6 according to the outer contour of the battery.
The invention relates to a pressure regulating system for leakage inspection of a lithium ion secondary battery, wherein a battery 4 to be detected is arranged between an upper receiving platform 5 and a lower receiving platform 6 when the pressure regulating system is used, the battery 4 is limited by a side stop 7 on the lower receiving platform 6, a sealed space is formed between an upper sealed cavity 1 and a lower sealed seat 2, sealing rings 8 of the upper receiving platform 5 and the lower receiving platform 6 respectively cover the battery 4 to form a sealed cavity, the upper sealed cavity 1 is communicated with an air source for air inlet through an air inlet hole 12, the upper receiving platform 5 and the lower receiving platform 6 respectively form the sealed cavity with the battery 4 through the sealing rings 8, if the battery 4 has air leakage, bubbles are more easily generated under the same pressure, and the air is discharged through an upper air leakage hole 9 or a lower air leakage hole 11 corresponding to the upper receiving platform 5 or the lower receiving platform 6, so that visual inspection personnel can conveniently identify the pressure regulating system.
The present invention is not limited to the above embodiments, and any technical solutions similar or identical to the present invention, which are made in the light of the present invention, are within the scope of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (2)
1. A pressure regulating system for leakage inspection of a lithium ion secondary battery comprises an upper sealing cavity, a lower sealing seat and clamping detection mechanisms, and is characterized in that the upper sealing cavity is buckled with the lower sealing seat, a plurality of clamping detection mechanisms are arranged in a cavity where the upper sealing cavity is buckled with the lower sealing seat, the joints of the clamping detection mechanisms, the upper sealing cavity and the lower sealing seat are communicated with the atmosphere, and the side wall of the upper sealing cavity is provided with an air inlet hole which is communicated with a pressure reducing valve through the air inlet hole;
the clamping detection mechanism comprises an upper receiving table and a lower receiving table, wherein sealing rings are respectively arranged on the opposite surfaces of the upper receiving table and the lower receiving table, the upper receiving table is positioned on an upper sealing cavity, the lower receiving table is positioned on a lower sealing seat, an upper air release hole is formed in the upper sealing cavity corresponding to the upper receiving table, and a lower air release hole is formed in the lower sealing seat corresponding to the lower receiving table;
the upper air leakage holes and the lower air leakage holes on the upper sealing cavity and the lower sealing seat are respectively communicated with the air outlet holes through corresponding communicating air passages on the upper sealing cavity and the lower sealing seat;
the clamping detection device is characterized in that three clamping detection mechanisms are arranged in a cavity formed by buckling the upper sealing cavity and the lower sealing seat, communicated air passages are respectively arranged on the upper sealing cavity and the lower sealing cavity, and the clamping detection mechanisms are communicated with the atmosphere through the communicated air passages and air outlet holes.
2. The pressure regulation system for leakage inspection of a lithium ion secondary battery according to claim 1, characterized in that: the lower receiving platform is provided with a plurality of side stop blocks, the position of the battery is limited by each side stop block, and the position of each side stop block is arranged on the lower receiving platform according to the external contour of the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440610.1A CN108767339B (en) | 2018-05-10 | 2018-05-10 | Pressure adjusting system for leakage inspection of lithium ion secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440610.1A CN108767339B (en) | 2018-05-10 | 2018-05-10 | Pressure adjusting system for leakage inspection of lithium ion secondary battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108767339A CN108767339A (en) | 2018-11-06 |
| CN108767339B true CN108767339B (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810440610.1A Active CN108767339B (en) | 2018-05-10 | 2018-05-10 | Pressure adjusting system for leakage inspection of lithium ion secondary battery |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813507A (en) * | 2019-01-30 | 2019-05-28 | 无锡格林司通自动化设备有限公司 | A kind of flexible-packed battery leak test method and mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123289A (en) * | 2011-11-17 | 2013-05-29 | 三星Sdi株式会社 | Leakage test device used for bag of rechargeable battery |
| CN104485488A (en) * | 2014-12-16 | 2015-04-01 | 天津神鹿能源有限公司 | Maintainable lithium battery |
| CN206292012U (en) * | 2016-12-13 | 2017-06-30 | 镇江成泰自动化技术有限公司 | A kind of lithium-ion-power cell device for detecting sealability |
| CN107768753A (en) * | 2017-11-01 | 2018-03-06 | 苏州优尼梅申工业机器人科技有限公司 | A kind of lithium battery intelligent air leak tester |
| CN207300514U (en) * | 2017-09-21 | 2018-05-01 | 广东天劲新能源科技股份有限公司 | Tightness testing clamp |
-
2018
- 2018-05-10 CN CN201810440610.1A patent/CN108767339B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123289A (en) * | 2011-11-17 | 2013-05-29 | 三星Sdi株式会社 | Leakage test device used for bag of rechargeable battery |
| CN104485488A (en) * | 2014-12-16 | 2015-04-01 | 天津神鹿能源有限公司 | Maintainable lithium battery |
| CN206292012U (en) * | 2016-12-13 | 2017-06-30 | 镇江成泰自动化技术有限公司 | A kind of lithium-ion-power cell device for detecting sealability |
| CN207300514U (en) * | 2017-09-21 | 2018-05-01 | 广东天劲新能源科技股份有限公司 | Tightness testing clamp |
| CN107768753A (en) * | 2017-11-01 | 2018-03-06 | 苏州优尼梅申工业机器人科技有限公司 | A kind of lithium battery intelligent air leak tester |
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| CN108767339A (en) | 2018-11-06 |
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Address after: No. 15, Xindu Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi greenstone automation equipment Co.,Ltd. Address before: 88-q4, Qianyao Road, Rongxiang street, Binhu District, Wuxi City, Jiangsu Province, 214000 Patentee before: WUXI GREENSTONE AUTOMATION EQUIPMENT CO.,LTD. |