CN202549942U - Aluminum housing power battery anti-explosion cover plate - Google Patents
Aluminum housing power battery anti-explosion cover plate Download PDFInfo
- Publication number
- CN202549942U CN202549942U CN2011205387741U CN201120538774U CN202549942U CN 202549942 U CN202549942 U CN 202549942U CN 2011205387741 U CN2011205387741 U CN 2011205387741U CN 201120538774 U CN201120538774 U CN 201120538774U CN 202549942 U CN202549942 U CN 202549942U
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- Prior art keywords
- aluminum
- explosion
- cover plate
- power battery
- proof
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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 - 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 aluminum housing power battery anti-explosion cover plate which comprises an aluminum cover plate and a lug connecting part, and is characterized in that an anti-explosion hole is arranged in the aluminum cover plate, an anti-explosion hole cover is arranged on the anti-explosion hole, the aluminum skin stamping thickness of the anti-explosion is 0.03-0.05mm, and the valve opening pressure of the anti-explosion hole is 6-9kg. The anti-explosion hole is arranged in the aluminum cover plate, the thickness of the area of the aluminum cover plate on the anti-explosion hole is reduced, the valve opening pressure is reduced, and the anti-explosion sensitivity of moment valve opening is improved. When the aluminum sheet of the anti-explosion hole flies, the anti-explosion hole cover can avoid the aluminum sheet of the anti-explosion hole from ejecting to outside. The anti-explosion hole is made through stamping, and forms an integral structure with the aluminum cover plate, thus the aluminum housing power battery anti-explosion cover plate has the advantages of simple structure, no need of secondary operation, and favorability of the production assembly of products.
Description
Technical field
The utility model belongs to the battery anti-explosion technology, is specifically related to a kind of aluminum hull power battery explosion protection cover plate.
Background technology
Electrokinetic cell is the power supply that power resources are provided, and refers to provide for electric automobile, electric train, electric bicycle, golf cart the storage battery of power more.Electrokinetic cell generally adopts aluminum hull encapsulation, has that volume is little, in light weight, electric weight is strong, characteristics such as memoryless and environmental protection, is widely used at present.
Because the aluminum hull electrokinetic cell is a hermetically-sealed construction at battery cover board and aluminum hull welding back, when battery was short-circuited, air pressure inside can increase rapidly, and the danger of battery explosion takes place easily.Prior art is used the explosive-proof protector of explosion-proof line as battery mostly, and explosion-proof performance is difficult to guarantee.
Chinese patent numbers 200920319058.7 has been announced " a kind of aluminum hull power battery explosion protection cover "; Designed a kind of explosion-proof cap that comprises top cover, burst disk, insulation cushion and orifice plate, through explosion-proof indentation is set on orifice plate and burst disk to reach explosion-proof effect.
But mostly the explosion-proof opening pressure of aluminum hull that this patented technology adopts is 16 ± 2Kg; For the LiMn2O4 system electrokinetic cell of 5-10Ah, the instantaneous pressure that short circuit heating back produces gas is about 10kg, rises to the interval of 16kg from 10kg in interior pressure; Can not play the effect that moment drives valve; Therefore still there is the danger of blast in this stage, directly causes the normal rescue work of mine to implement, even give in the rescue process and bring danger.And top cover wraps through upper overturning around the burst disk, and when battery broke down, burst disk and top cover can not be effectively fixing, under the impact of internal gas, fly out easily.
Simultaneously, this structure needs in the limited space of aluminum hull, to carry out many meticulous process operations aborning, and efficiency of assembling is not high,
The utility model content
To above-mentioned existing in prior technology problem; The utility model provides a kind of aluminum hull power battery explosion protection cover plate, and this explosion-proof covering board is through being provided with explosionproof hole, the Aluminum cover zone attenuation at explosionproof hole place on Aluminum cover; Make the cracking pressure to reduce, improved the explosion-proof sensitivity that moment drives valve.
For achieving the above object, the utility model is realized through following technical scheme: a kind of aluminum hull power battery explosion protection cover plate, comprise Aluminum cover and lug coupling part, and it is characterized in that: said Aluminum cover is provided with explosionproof hole.
This explosion-proof covering board is through explosionproof hole on Aluminum cover, the zone attenuation of the Aluminum cover at explosionproof hole place makes cracking pressure reduce, and has improved the explosion-proof sensitivity that moment drives valve.
Said explosionproof hole is provided with an explosion-proof escutcheon, and aluminium flake flies out when the explosionproof hole place, and explosion-proof escutcheon can avoid explosionproof hole place aluminium flake to launch to the outside.
The aluminium skin punching press thickness of said explosionproof hole is 0.03mm-0.05mm, and the cracking pressure of this explosionproof hole is 6-9kg.
Said explosion-proof escutcheon adopts the boss structure design, is provided with a plurality of steam vents on every side, and the footing of explosion-proof escutcheon is connected on the explosionproof hole Aluminum cover on every side through the mode of laser dotting, and number of welds is 3-12.
Said lug coupling part comprises nickel rivet, insulation cushion rubber, insulating cement and nickel brace, and the nickel rivet passes insulation cushion rubber, Aluminum cover and insulating cement successively from the Aluminum cover outside, and the nickel brace riveted inner with Aluminum cover.
The utility model compares that prior art has the following advantages and beneficial effect:
1, this explosion-proof covering board is through being provided with explosionproof hole on Aluminum cover, the zone attenuation of the Aluminum cover at explosionproof hole place makes cracking pressure reduce, and has improved the explosion-proof sensitivity that moment drives valve.
3, explosionproof hole can be processed through punching press, and is into a single integrated structure with Aluminum cover, simple in structure, need not carry out secondary operation, is beneficial to the production assembling of product.
3, explosion-proof escutcheon directly with the Aluminum cover welding, when battery broke down, aluminium flake flew out the realization safety anti-explosive in the time of can preventing that explosionproof hole from driving valve.
Description of drawings
Fig. 1 is a kind of aluminum hull power battery explosion protection structure of cover plate schematic diagram;
Fig. 2 is Fig. 1 vertical view;
Fig. 3 is the upward view of Fig. 1.
Embodiment
A kind of aluminum hull power battery explosion protection cover plate like Fig. 1, shown in 2 and 3, comprises Aluminum cover 1, explosionproof hole 2 and lug coupling part 3, and lug coupling part 3 is arranged on the Aluminum cover 1.
Claims (5)
1. an aluminum hull power battery explosion protection cover plate comprises Aluminum cover and lug coupling part, and it is characterized in that: said Aluminum cover is provided with explosionproof hole.
2. a kind of aluminum hull power battery explosion protection cover plate according to claim 1, it is characterized in that: said explosionproof hole is provided with an explosion-proof escutcheon.
3. a kind of aluminum hull power battery explosion protection cover plate according to claim 2 is characterized in that: the aluminium skin punching press thickness of said explosionproof hole is 0.03mm-0.05mm.
4. a kind of aluminum hull power battery explosion protection cover plate according to claim 2; It is characterized in that: said explosion-proof escutcheon is a boss structure; Be provided with a plurality of steam vents on every side, the footing of explosion-proof escutcheon is connected on the explosionproof hole Aluminum cover on every side through the mode of laser dotting, and number of welds is 3-12.
5. a kind of aluminum hull power battery explosion protection cover plate according to claim 4; It is characterized in that: said lug coupling part comprises nickel rivet, insulation cushion rubber, insulating cement and nickel brace; The nickel rivet passes insulation cushion rubber, Aluminum cover and insulating cement successively from the Aluminum cover outside, and the nickel brace riveted inner with Aluminum cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205387741U CN202549942U (en) | 2011-12-20 | 2011-12-20 | Aluminum housing power battery anti-explosion cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205387741U CN202549942U (en) | 2011-12-20 | 2011-12-20 | Aluminum housing power battery anti-explosion cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202549942U true CN202549942U (en) | 2012-11-21 |
Family
ID=47170522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205387741U Expired - Fee Related CN202549942U (en) | 2011-12-20 | 2011-12-20 | Aluminum housing power battery anti-explosion cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202549942U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311463A (en) * | 2013-05-30 | 2013-09-18 | 苏州启智机电技术有限公司 | Safety battery |
| CN109088096A (en) * | 2018-10-15 | 2018-12-25 | 山西恒昌元科技有限公司 | cylindrical lithium battery structure |
-
2011
- 2011-12-20 CN CN2011205387741U patent/CN202549942U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311463A (en) * | 2013-05-30 | 2013-09-18 | 苏州启智机电技术有限公司 | Safety battery |
| CN103311463B (en) * | 2013-05-30 | 2015-07-08 | 国家电网公司 | Safety battery |
| CN109088096A (en) * | 2018-10-15 | 2018-12-25 | 山西恒昌元科技有限公司 | cylindrical lithium battery structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20161220 |