CN2277071Y - Battery withstand voltage testing device - Google Patents
Battery withstand voltage testing device Download PDFInfo
- Publication number
- CN2277071Y CN2277071Y CN 96219492 CN96219492U CN2277071Y CN 2277071 Y CN2277071 Y CN 2277071Y CN 96219492 CN96219492 CN 96219492 CN 96219492 U CN96219492 U CN 96219492U CN 2277071 Y CN2277071 Y CN 2277071Y
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- China
- Prior art keywords
- battery
- jointing
- battery cover
- seal
- pond box
- Prior art date
- 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 - Fee Related
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Abstract
The utility model relates to a battery withstand voltage testing device, which a testing bench and a testing fixture. The test bench is formed by an air source gas cylinder, a pressure meter, and the joint of fixture with a central air channel connected in series via air pipelines. The joint of the fixture is connected with the central air channel of the testing fixture by sealing together. The testing fixture is provided with a pressure fixture for testing the cover of the battery, a pressure fixture for testing the sealing of the battery, and a fixture for testing the air flow of the cover of the battery.
Description
The utility model belongs to battery gasproof body pressure test isolated plant.
Inside battery can produce gas because of electrochemical reaction, so battery container should have impermeability.But the inside battery gaseous tension is crossed conference and is set off an explosion, and therefore the seal request to battery should have critical value, surpasses the sealing load of setting and should allow gas leak.The withstand voltage data that detect battery are important test jobs in the battery production.Also there is not at present special-purpose battery pressure resistant testing device.
The purpose of this utility model is to propose a kind of battery pressure resistant testing device technical scheme, and battery production is carried out angles of science monitoring.
The utility model battery pressure resistant testing device, comprise test board and test fixture, test board is by source of the gas gas cylinder, tensimeter and have the anchor clamps jointing of central airway to form with the gas pipeline serial connection, and the anchor clamps jointing communicates with the test fixture central airway and is tightly connected.Test clip has the battery cover of survey pressing jig, constitute by piezoelectricity pond box nut with the jointing threaded, piezoelectricity pond box nut is pressed on the jointing termination with the battery cover outer ring, and make the galvanic anode end place the screw of piezoelectricity pond box nut, between jointing termination and battery cover bottom surface, O-ring seal is arranged.Test fixture is surveyed the battery seal pressing jig in addition, survey the battery seal pressing jig by have the circle shape pressure measurement core that central airway is arranged of T shape section, the clamp nut that cooperates with the pressure measurement core constitutes, the pressure measurement core communicates with anchor clamps jointing air flue to seal and is spirally connected or clamping.Test fixture is surveyed battery cover gas flow anchor clamps in addition, by with jointing be spirally connected the piezoelectricity pond box nut that is sealed and matched and connect the flowmeter valve, flowmeter constitutes, piezoelectricity pond box nut is pressed on the jointing termination with the battery cover outer ring, and make the galvanic anode end place the screw of piezoelectricity pond box nut, between jointing termination and battery cover bottom surface, O-ring seal is arranged; Connect the sealing of flowmeter valve and piezoelectricity pond box nut and be spirally connected, flowmeter with connect the flowmeter valve and be connected by seal for pipe joints.
Characteristics of the present utility model are to have designed a test board and multiple test fixture, change anchor clamps and can test the different withstand voltage properties of battery.
Embodiment of the present utility model is as shown in drawings:
Accompanying drawing 1 is the test board of the utility model battery pressure resistant testing device;
Accompanying drawing 2 is to survey the battery cover pressing jig;
Accompanying drawing 3 is to survey the battery seal pressing jig;
Accompanying drawing 4 is to survey battery cover gas flow anchor clamps.
Number in the figure is represented:
1, the source of the gas gas cylinder, 2, gas pressure reducer, 3, the pressure-stabilized air source gas cylinder, 4, tensimeter 1,5, operation valve, 6, tensimeter 2,7, the pressure measurement interface, 8, vent valve, 9, piezoelectricity pond box nut, 10, tested battery cover, 11, O-ring seal, 12, jointing, 13, jointing, 14, sealing, 15, attachment screw, 16, clamp nut, 17, packing ring, 18, O-ring seal, 19,4/5A type battery, 20, sealing gasket, 21, the pressure measurement core, 22, jointing, 23, piezoelectricity pond box nut, 24, connect the flowmeter valve, 25, tested battery cover, 26, O-ring seal 1,27, O-ring seal 2,28, O- ring seal 3,29, suspended body flowmeter.
In conjunction with the accompanying drawings the utility model is specified:
Accompanying drawing 1 is the test desk of battery pressure resistant testing device.Constitute wherein by source of the gas gas cylinder 1, gas pressure reducer 2, pressure-stabilized air source gas cylinder 3, tensimeter (1) 4, operation valve 5, tensimeter (2) 6, pressure measurement interface 7 and vent valve 8 that gas pressure reducer 2 and pressure-stabilized air source gas cylinder 3 only are to be connected in series when surveying gas flow, the jointing 12 of anchor clamps 13 or 22 and pressure measurement interface 7 be tightly connected.Anchor clamps have three kinds to be respectively: survey the battery cover pressing jig, survey the battery seal pressing jig and survey battery cover gas flow anchor clamps.Its structure is respectively:
Survey the battery cover pressing jig as shown in Figure 2, survey the battery cover pressing jig, constitute by piezoelectricity pond box nut 9 with jointing 12 threaded, piezoelectricity pond box nut is pressed on the jointing termination with battery cover 10 outer rings, and make the galvanic anode end place the screw of piezoelectricity pond box nut, between jointing termination and battery cover bottom surface, O-ring seal 11 is arranged.Earlier on battery cover, smear suds during measurement, the bubble of the suds at monitoring battery cover place during measurement, the force value of the tensimeter during gassing (2) is the opening pressure of battery cover.Battery cover be that pressure is that the seal cavity qi of chong channel ascending adversely of air flue below battery cover by jointing realizes.
Survey the battery seal pressing jig as shown in Figure 3, survey the battery seal pressing jig by have the circle shape pressure measurement core 21 that central airway is arranged of T shape section, the clamp nut 16 that cooperates with pressure measurement core 21 constitutes, pressure measurement core 21 is located among the battery container 19,19 ends of the housing circles wall song that concaves is pressed between pressure measurement core 21 and the clamp nut 16, and O-ring seal 18 and packing ring 17 seal.One attachment screw 15 is arranged between pressure measurement core 21 and jointing 13, the central airway of attachment screw 15 is communicated with the air flue of jointing 13 and pressure measurement core 21, and attachment screw 15 is spirally connected by O-ring seal 18, sealing gasket 20 sealings with pressure measurement core 21, jointing 13 respectively.During measurement earlier in the battery pond shell closing in place smear suds, opening controlling valve 5 gradually adds atmospheric pressure again, the bubble of monitoring battery seal place suds can be by reading the battery seal withstand voltage in the tensimeter (2).
Survey the battery seal pressing jig as shown in Figure 4, survey battery cover gas flow anchor clamps by with the piezoelectricity pond box nut 23 of jointing 22 by O-ring seal 28 sealing threaded, connect flowmeter valve 24, flowmeter 29 constitutes, piezoelectricity pond box nut 23 is pressed on jointing 22 terminations with battery cover 25 outer rings, and make the galvanic anode end place the screw of piezoelectricity pond box nut 23, between jointing 22 terminations and battery cover 25 bottom surfaces, O-ring seal 26 is arranged; Connecing flowmeter valve 24 is spirally connected by O-ring seal 27 sealings with piezoelectricity pond box nut 23.Valve 24 is connected with suspended body flowmeter 29 or other kind flowmeter by tracheae.During use gas pressure reducer 2, pressure-stabilized air source gas cylinder 3 be serially connected in steady air flow is provided in the pressure resistant testing device.Steady air flow flows to battery cover by sealing pipeline, can only enter flowmeter from the battery cover effluent air, the flow in the time of can recording the battery cover unlatching.Change the size that operation valve is opened gradually, simultaneously to being added in air pressure and the gas flow measurement on the battery cover.Can obtain battery cover when supercharging opens the back and is increased in gas flow under the different pressures with air pressure.On the contrary, the gas flow of battery cover under different pressures in the time of can obtaining air pressure during decompression and descend.Lag-effect in the time of can recording battery safety valve and close.The researchist can be by analyzing the quantitative data that these curve datas obtain the withstand voltage quality of battery cover.
Claims (4)
1, a kind of battery pressure resistant testing device, comprise test board and test fixture, it is characterized in that test board is formed with the gas pipeline serial connection by source of the gas gas cylinder, tensimeter and anchor clamps jointing that central airway arranged, the anchor clamps jointing communicates with the test fixture central airway and is tightly connected.
2, battery pressure resistant testing device as claimed in claim 1, it is characterized in that described test fixture is to survey the battery cover pressing jig, constitute by piezoelectricity pond box nut with the jointing threaded, piezoelectricity pond box nut is pressed on the jointing termination with the battery cover outer ring, and make the galvanic anode end place the screw of piezoelectricity pond box nut, between jointing termination and battery cover bottom surface, O-ring seal is arranged.
3, battery pressure resistant testing device as claimed in claim 1, it is characterized in that described test fixture is to survey the battery seal pressing jig, survey the battery seal pressing jig by have the circle shape pressure measurement core that central airway is arranged of T shape section, the clamp nut that cooperates with the pressure measurement core constitutes, the pressure measurement core communicates with anchor clamps jointing air flue to seal and is spirally connected or clamping.
4, battery pressure resistant testing device as claimed in claim 1, it is characterized in that described test fixture is to survey battery cover gas flow anchor clamps, by with jointing be spirally connected the piezoelectricity pond box nut that is sealed and matched and connect the flowmeter valve, flowmeter constitutes, piezoelectricity pond box nut is pressed on the jointing termination with the battery cover outer ring, and make the galvanic anode end place the screw of piezoelectricity pond box nut, between jointing termination and battery cover bottom surface, O-ring seal is arranged; Connect the sealing of flowmeter valve and piezoelectricity pond box nut and be spirally connected, flowmeter with connect the flowmeter valve and be connected by seal for pipe joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96219492 CN2277071Y (en) | 1996-10-11 | 1996-10-11 | Battery withstand voltage testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96219492 CN2277071Y (en) | 1996-10-11 | 1996-10-11 | Battery withstand voltage testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2277071Y true CN2277071Y (en) | 1998-03-25 |
Family
ID=33900073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96219492 Expired - Fee Related CN2277071Y (en) | 1996-10-11 | 1996-10-11 | Battery withstand voltage testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2277071Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007093091A1 (en) * | 2006-02-14 | 2007-08-23 | Shenzhen Bak Battery Co., Ltd. | An apparatus for detecting sealability of a lithium ion cell |
| CN100442590C (en) * | 2004-07-19 | 2008-12-10 | 肇庆市风华锂电池有限公司 | Method for measuring gas production rate of battery formation and system therefor |
| CN101915703A (en) * | 2010-08-04 | 2010-12-15 | 深圳市科达利实业有限公司 | Pressure resistant testing device of lithium battery shell |
| CN103674768A (en) * | 2013-11-22 | 2014-03-26 | 深圳市迪凯特电池科技有限公司 | Gas production amount detection method and measuring device during lithium ion battery formation |
| CN105628493A (en) * | 2015-12-25 | 2016-06-01 | 宁波富邦电池有限公司 | Battery clamp used for detecting ultimate pressure of battery sealing part |
| CN106198238A (en) * | 2016-09-06 | 2016-12-07 | 珠海银隆新能源有限公司 | Burst disk pressure resistant testing device |
| CN107687976A (en) * | 2017-07-04 | 2018-02-13 | 合肥力翔电池科技有限责任公司 | A kind of high-precision power cover plate explosion-proof pressure testing device |
| CN115060588A (en) * | 2022-08-17 | 2022-09-16 | 常州武进中瑞电子科技股份有限公司 | Lithium battery pressing test device |
-
1996
- 1996-10-11 CN CN 96219492 patent/CN2277071Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100442590C (en) * | 2004-07-19 | 2008-12-10 | 肇庆市风华锂电池有限公司 | Method for measuring gas production rate of battery formation and system therefor |
| WO2007093091A1 (en) * | 2006-02-14 | 2007-08-23 | Shenzhen Bak Battery Co., Ltd. | An apparatus for detecting sealability of a lithium ion cell |
| CN101915703A (en) * | 2010-08-04 | 2010-12-15 | 深圳市科达利实业有限公司 | Pressure resistant testing device of lithium battery shell |
| CN101915703B (en) * | 2010-08-04 | 2012-09-05 | 深圳市科达利实业股份有限公司 | Pressure resistant testing device of lithium battery shell |
| CN103674768A (en) * | 2013-11-22 | 2014-03-26 | 深圳市迪凯特电池科技有限公司 | Gas production amount detection method and measuring device during lithium ion battery formation |
| CN105628493A (en) * | 2015-12-25 | 2016-06-01 | 宁波富邦电池有限公司 | Battery clamp used for detecting ultimate pressure of battery sealing part |
| CN105628493B (en) * | 2015-12-25 | 2018-03-23 | 宁波富邦电池有限公司 | For the battery clamp for the limiting pressure for detecting battery seal |
| CN106198238A (en) * | 2016-09-06 | 2016-12-07 | 珠海银隆新能源有限公司 | Burst disk pressure resistant testing device |
| CN107687976A (en) * | 2017-07-04 | 2018-02-13 | 合肥力翔电池科技有限责任公司 | A kind of high-precision power cover plate explosion-proof pressure testing device |
| CN115060588A (en) * | 2022-08-17 | 2022-09-16 | 常州武进中瑞电子科技股份有限公司 | Lithium battery pressing test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |