CN203721783U - Anti-explosion power lithium battery cover plate - Google Patents
Anti-explosion power lithium battery cover plate Download PDFInfo
- Publication number
- CN203721783U CN203721783U CN201420009412.7U CN201420009412U CN203721783U CN 203721783 U CN203721783 U CN 203721783U CN 201420009412 U CN201420009412 U CN 201420009412U CN 203721783 U CN203721783 U CN 203721783U
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- China
- Prior art keywords
- explosion
- cover plate
- leader
- negative pole
- 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 anti-explosion power lithium battery cover plate. The anti-explosion power lithium battery cover plate comprises a cover plate body, sealing washers, a positive electrode column, a negative electrode column, a positive electrode pin, a negative electrode pin, positive electrode rivets, negative electrode rivets and an anti-explosion valve, wherein the positive electrode column and the positive electrode pin are respectively arranged at the left ends of the front and back surfaces of the cover plate body; the negative electrode column and the negative electrode pin are respectively arranged at the right ends of the front and back surfaces of the cover plate body; the sealing washers are respectively arranged among the positive electrode column, the negative electrode column, the positive electrode pin, the negative electrode pin and the cover plate body; the anti-explosion valve is concavely arranged in the middle of the cover plate body; an anti-explosion seam is formed in the middle of the anti-explosion valve. According to the anti-explosion power lithium battery cover plate, the anti-explosion valve is concavely arranged in the middle of the cover plate body, so that the valve opening pressure is reduced, and the anti-explosion sensitivity of instant valve opening is improved; the anti-explosion seam is formed in the middle of the anti-explosion valve, so that the whole anti-explosion valve can be effectively prevented from being ejected to the outside, and the battery cover plate has a good anti-explosion effect.
Description
Technical field
The utility model relates to the field of battery, particularly relates to a kind of explosion-proof cover plate of power lithium.
Background technology
Power lithium-ion battery 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, lightweight, electric weight is strong, a feature such as memoryless and environmental protection, is widely used at present.
Because power lithium-ion battery is hermetically-sealed construction after battery cover board and aluminum hull welding, in the time that battery is short-circuited, air pressure inside can increase rapidly, and the danger of battery explosion easily occurs.Prior art is used the explosive-proof protector of explosion-proof line as battery mostly, and explosion-proof performance is difficult to ensure.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of explosion-proof cover plate of power lithium, on the centre position of cover board body, explosion-proof valve is installed, explosion-proof valve is arranged with the centre position in cover board body, cracking pressure is reduced, improve the explosion-proof sensitivity that moment drives valve, wherein the middle part of explosion-proof valve is provided with an explosion-proof seam, can effectively avoid that explosion-proof valve is whole to be launched to outside, makes its battery cover board reach good explosion-proof effect.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of explosion-proof cover plate of power lithium is provided, comprise cover board body, seal washer, Positive Poles, negative pole pole, anodal leader, negative pole leader, anodal rivet, negative pole rivet and explosion-proof valve, described Positive Poles and anodal leader are arranged on respectively the double-edged left end of cover board body, described negative pole pole and negative pole leader are arranged on respectively the double-edged right-hand member of cover board body, described seal washer is arranged on respectively Positive Poles, negative pole pole, anodal leader, between negative pole leader and cover board body, described explosion-proof valve is arranged with the centre position in cover board body, the middle part of described explosion-proof valve is provided with an explosion-proof seam.
In preferred embodiment of the utility model, the material of described cover board body is aluminium, and its thickness is 1.8mm.
In preferred embodiment of the utility model, described anodal leader and the hardness of negative pole leader are for being less than 90HV.
In preferred embodiment of the utility model, the material of described seal washer is PFA, and its thickness is 0.2-0.8mm.
In preferred embodiment of the utility model, the material of described Positive Poles is alloy aluminum, and the material of described anodal leader is fine aluminium.
In preferred embodiment of the utility model, described negative pole pole is respectively two vertical relative bending structures with negative pole leader, and its material is red copper nickel plating.
In preferred embodiment of the utility model, described anodal leader thickness is 0.3mm; The thickness of described negative pole leader is 0.2mm.
In preferred embodiment of the utility model, the pure aluminum foil that described rupture pressure disc is ellipsoidal structure, its thickness is 0.3mm.
In preferred embodiment of the utility model, the width of described explosion-proof seam is 0.01mm.
The beneficial effects of the utility model are: explosion-proof cover plate of power lithium of the present utility model, on the centre position of cover board body, explosion-proof valve is installed, explosion-proof valve is arranged with the centre position in cover board body, cracking pressure is reduced, improve the explosion-proof sensitivity that moment drives valve, wherein the middle part of explosion-proof valve is provided with an explosion-proof seam, can effectively avoid that explosion-proof valve is whole to be launched to outside, makes its battery cover board reach good explosion-proof effect.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the side structure schematic diagram of explosion-proof cover plate of power lithium one preferred embodiment of the present utility model;
Fig. 2 is the front schematic view of Fig. 1;
Fig. 3 is the reverse side structural representation of Fig. 1;
Being labeled as in accompanying drawing: 1, cover board body, 2, seal washer, 3, Positive Poles, 4, negative pole pole, 5, anodal leader, 6, negative pole leader, 7, anodal rivet, 8, negative pole rivet, 9, explosion-proof valve, 10, explosion-proof seam.
Embodiment
To the technical scheme in the utility model embodiment be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 2 and Fig. 3, the utility model embodiment comprises:
A kind of explosion-proof cover plate of power lithium, comprise cover board body 1, seal washer 2, Positive Poles 3, negative pole pole 4, anodal leader 5, negative pole leader 6, anodal rivet 7, negative pole rivet 8 and explosion-proof valve 9, described Positive Poles 3 and negative pole pole 4 are respectively integrated by base and pole.Described Positive Poles 3 and anodal leader 5 are arranged on respectively the double-edged left end of cover board body 1, described negative pole pole 4 and negative pole leader 6 are arranged on respectively the double-edged right-hand member of cover board body 1, described seal washer 2 is arranged on respectively between Positive Poles 3, negative pole pole 4, anodal leader 5, negative pole leader 6 and cover board body 1, described explosion-proof valve 9 is arranged with in the centre position of cover board body 1, and the middle part of described explosion-proof valve 9 is provided with an explosion-proof seam 10.Wherein, the material of described cover board body 1 is aluminium, and its thickness is 1.8mm.
Wherein, the material of described seal washer 2 is PFA, and its thickness is 0.2-0.8mm, through injection mo(u)lding, has good sealing property, has good sealing property, reliability, good stability.
Further, the material of described Positive Poles 3 is alloy aluminum, and the material of described anodal leader 5 is fine aluminium; Described negative pole pole 4 is respectively two vertical relative bending structures with negative pole leader 6, and its material is red copper nickel plating.Wherein, described anodal leader 5 thickness are 0.3mm; The thickness of described negative pole leader 6 is 0.2mm.Described anodal leader 5 and negative pole leader 6 require annealing in process, and its hardness is for being less than 90HV.
Further, the centre position of described cover board body 1 is provided with explosion-proof valve 9, and the middle part of the explosion-proof valve 9 of stating is provided with an explosion-proof seam 10, and described explosion-proof valve 9 is arranged with in the centre position of cover board body 1.Wherein, the pure aluminum foil that described rupture pressure disc is ellipsoidal structure, its thickness is 0.3mm; The width of described explosion-proof seam is 0.01mm, makes its explosion-proof valve 9 scale fracture pressures be controlled at 0.8 ± 0.2Mpa.
The explosion-proof cover plate of power lithium that the utility model discloses, explosion-proof valve 9 is installed on the centre position of cover board body 1, explosion-proof valve 9 is arranged with in the centre position of cover board body 1, cracking pressure is reduced, improve the explosion-proof sensitivity that moment drives valve, wherein the middle part of explosion-proof valve is provided with an explosion-proof seam 10, can effectively avoid that explosion-proof valve is whole to be launched to outside, makes its battery cover board reach good explosion-proof effect.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. an explosion-proof cover plate of power lithium, it is characterized in that, comprise cover board body, seal washer, Positive Poles, negative pole pole, anodal leader, negative pole leader, anodal rivet, negative pole rivet and explosion-proof valve, described Positive Poles and anodal leader are arranged on respectively the double-edged left end of cover board body, described negative pole pole and negative pole leader are arranged on respectively the double-edged right-hand member of cover board body, described seal washer is arranged on respectively Positive Poles, negative pole pole, anodal leader, between negative pole leader and cover board body, described explosion-proof valve is arranged with the centre position in cover board body, the middle part of described explosion-proof valve is provided with an explosion-proof seam.
2. explosion-proof cover plate of power lithium according to claim 1, is characterized in that, the material of described cover board body is aluminium, and its thickness is 1.8mm.
3. explosion-proof cover plate of power lithium according to claim 1, is characterized in that, described anodal leader and the hardness of negative pole leader are for being less than 90HV.
4. explosion-proof cover plate of power lithium according to claim 1, is characterized in that, the material of described seal washer is PFA, and its thickness is 0.2-0.8mm.
5. explosion-proof cover plate of power lithium according to claim 1, is characterized in that, the material of described Positive Poles is alloy aluminum, and the material of described anodal leader is fine aluminium.
6. explosion-proof cover plate of power lithium according to claim 1, is characterized in that, described negative pole pole is respectively two vertical relative bending structures with negative pole leader, and its material is red copper nickel plating.
7. explosion-proof cover plate of power lithium according to claim 1, is characterized in that, described anodal leader thickness is 0.3mm; The thickness of described negative pole leader is 0.2mm.
8. explosion-proof cover plate of power lithium according to claim 1, is characterized in that, the pure aluminum foil that described rupture pressure disc is ellipsoidal structure, and its thickness is 0.3mm.
9. explosion-proof cover plate of power lithium according to claim 1, is characterized in that, the width of described explosion-proof seam is 0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009412.7U CN203721783U (en) | 2014-01-08 | 2014-01-08 | Anti-explosion power lithium battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009412.7U CN203721783U (en) | 2014-01-08 | 2014-01-08 | Anti-explosion power lithium battery cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721783U true CN203721783U (en) | 2014-07-16 |
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ID=51160915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420009412.7U Expired - Fee Related CN203721783U (en) | 2014-01-08 | 2014-01-08 | Anti-explosion power lithium battery cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870364A (en) * | 2016-04-28 | 2016-08-17 | 常熟高嘉能源科技有限公司 | Negative electrode lithium battery cover plate |
-
2014
- 2014-01-08 CN CN201420009412.7U patent/CN203721783U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870364A (en) * | 2016-04-28 | 2016-08-17 | 常熟高嘉能源科技有限公司 | Negative electrode lithium battery 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: 20140716 Termination date: 20190108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |