CN201820820U - Explosion-proof device for lithium ion battery - Google Patents
Explosion-proof device for lithium ion battery Download PDFInfo
- Publication number
- CN201820820U CN201820820U CN2010202701554U CN201020270155U CN201820820U CN 201820820 U CN201820820 U CN 201820820U CN 2010202701554 U CN2010202701554 U CN 2010202701554U CN 201020270155 U CN201020270155 U CN 201020270155U CN 201820820 U CN201820820 U CN 201820820U
- Authority
- CN
- China
- Prior art keywords
- explosion
- cover plate
- lithium ion
- proof
- ion battery
- 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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- 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
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses an explosion-proof device for a lithium ion battery, and relates to a battery explosion-proof technology, aiming at providing the explosion-proof device for the lithium ion battery, which meets the requirement on explosion-proof of an aluminum battery with a case and is simple in technology and low in cost. The solution scheme of the technology is as follows: the explosion-proof device comprises a cover plate and an explosion-proof membrane, wherein the bottom surface of a cylindrical explosion-proof membrane arranged in a big stepped hole of the cover plate is opposite to a small hole of the cover plate; and an annular compression ring is in close fit with the cylindrical explosion-proof membrane and the wall of the big stepped hole of the cover plate. The explosion-proof device is used for explosion proofing of the lithium ion batteries.
Description
Technical field:
The utility model relates to a kind of explosion-protection equipment of battery anti-explosion technology, particularly a kind of lithium ion battery.
Background technology:
Lithium-ion-power cell is because capacity is big, blast easily, the explosion-protection equipment of existing lithium battery, be by welding method rupture pressure disc (Copper Foil) to be fixed on the hole of cover plate on the stainless steel cover plate, the welding fixed structure of this explosion-protection equipment can not adapt in light weight, the needs that cost is low of existing Aluminum cover battery.
Summary of the invention:
The purpose of this utility model provides a kind of suitable aluminum cell housing battery anti-explosion requirement and technology is simple and the explosion-protection equipment of a kind of lithium ion battery that cost is low.Technical solution of the present utility model is, comprises cover plate and rupture pressure disc, it is characterized in that: the bottom surface that is located at the tubular rupture pressure disc in the big stepped hole of cover plate is relative with the aperture of cover plate, and the big step hole wall of an annular hold-down ring and tubular rupture pressure disc and cover plate is a tight fit.Described rupture pressure disc is Copper Foil or aluminium case.The utility model is fit to the explosion-proof and low remarkable advantage of the simple cost of technology of aluminum enclosure lithium battery compared with the prior art.
Description of drawings:
Fig. 1 is a front view of the present utility model, and Fig. 2 is the A-A cutaway view of Fig. 1.
Embodiment:
The utility model is described in further detail in conjunction with above accompanying drawing.After making rupture pressure disc and hold-down ring be contained in the cover board hole, can from the hole, not drop out, the big step hole wall of the outer tube wall of rupture pressure disc 2 and cover plate 1 matches, and the diameter of the outer wall of hold-down ring 3 should be greater than the inner diameter of rupture pressure disc, the rupture pressure disc tube inwall that makes hold-down ring be pressed into cover plate and Qi Nei becomes and closely cooperates, thereby the hold-down ring and the rupture pressure disc that are placed in the big stepped hole of cover plate can not dropped out from the hole.Below the big stepped hole of cover plate, be provided with aperture and compress annular distance and the rupture pressure disc bottom surface is relative.Do not drop out from cover board hole in order to ensure hold-down ring and rupture pressure disc, after hold-down ring and rupture pressure disc were assembled in the cover board hole, the cover plate aperture closed up made the aperture form the collar extension 4 of convex.
Claims (2)
1. the explosion-protection equipment of a lithium ion battery comprises cover plate and rupture pressure disc, it is characterized in that: the bottom surface that is located at the tubular rupture pressure disc in the big stepped hole of cover plate is relative with the aperture of cover plate, and the big step hole wall of an annular hold-down ring and tubular rupture pressure disc and cover plate is a tight fit.
2. the explosion-protection equipment of a kind of lithium ion battery according to claim 1, it is characterized in that: described rupture pressure disc is Copper Foil or aluminium case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202701554U CN201820820U (en) | 2010-07-26 | 2010-07-26 | Explosion-proof device for lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202701554U CN201820820U (en) | 2010-07-26 | 2010-07-26 | Explosion-proof device for lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201820820U true CN201820820U (en) | 2011-05-04 |
Family
ID=43918764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202701554U Expired - Fee Related CN201820820U (en) | 2010-07-26 | 2010-07-26 | Explosion-proof device for lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201820820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908604A (en) * | 2010-07-26 | 2010-12-08 | 河南能驰电源有限公司 | Explosion-proof device for lithium ion battery |
| CN102790190A (en) * | 2012-08-14 | 2012-11-21 | 河南能驰电源有限公司 | Connecting structure for anti-explosion film and cover plate |
-
2010
- 2010-07-26 CN CN2010202701554U patent/CN201820820U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908604A (en) * | 2010-07-26 | 2010-12-08 | 河南能驰电源有限公司 | Explosion-proof device for lithium ion battery |
| CN102790190A (en) * | 2012-08-14 | 2012-11-21 | 河南能驰电源有限公司 | Connecting structure for anti-explosion film and cover plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20140726 |
|
| EXPY | Termination of patent right or utility model |