CN205900610U - Explosion -proof type lithium - ion battery cover plate subassembly - Google Patents
Explosion -proof type lithium - ion battery cover plate subassembly Download PDFInfo
- Publication number
- CN205900610U CN205900610U CN201620294493.9U CN201620294493U CN205900610U CN 205900610 U CN205900610 U CN 205900610U CN 201620294493 U CN201620294493 U CN 201620294493U CN 205900610 U CN205900610 U CN 205900610U
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- China
- Prior art keywords
- explosion
- cover plate
- electrode seat
- negative pole
- type lithium
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses an explosion -proof type lithium - ion battery cover plate subassembly, including apron, anodal utmost point seat, negative pole utmost point seat, positive electrode contact piece, negative pole connection piece, aluminum rivet, red copper rivet and explosion -proof valve, anodal utmost point seat be the rectangle structure with negative pole utmost point seat and set up the both ends of controlling at the apron respectively, positive electrode contact piece connect in the bottom of apron and corresponding with the position of positive pole utmost point seat through two aluminium fix with rivet, the negative pole connection piece connect in the bottom of apron and corresponding with the position of negative pole utmost point seat through two red copper fix with rivet, explosion -proof valve be circular convex structure and set up and to go up and to lie in anodal utmost point seat and the negative pole intermediate position between extremely at the apron, explosion -proof valve on be provided with explosion proof hole and elastomer guard plate, elastomer guard plate set up in explosion proof hole's periphery. In this way, the utility model discloses simple structure has better explosion -proof ability, and the security is high, can avoid the lithium cell to cross the explosion phenomenon when filling completely.
Description
Technical field
The utility model belongs to the technical field of lithium battery and in particular to a kind of explosion-proof type lithium battery cap board component.
Background technology
Lithium battery has the advantages that voltage height, life-span length, energy density are high, light, and its application also expands continuous,
But its security is poorer than other secondary cells, when dynamic lithium battery overcharges, the material such as its electrolyte inside can crack product
Angry body, so that the rupture of battery case blow-up, allows oxygen to enter to react with the lithium ion being deposited in negative terminal surface, and then occurs quick-fried
Fried.
Utility model content
, mainly solving the technical problems that providing a kind of explosion-proof type lithium battery cap board component, structure is simple for the utility model,
It is provided with explosion-proof valve, explosionproof hole and elastomeric guard piece are provided with explosion-proof valve simultaneously, elastomeric guard piece is arranged on explosionproof hole
Periphery on, there is preferable explosion-proof performance, safe, explosion phenomenon when lithium battery can be avoided completely to overcharge.
For solving above-mentioned technical problem, the technical scheme that the utility model adopts is: provides a kind of explosion-proof type lithium
Battery cover board assembly, including cover plate, positive pole electrode seat, negative pole electrode seat, positive strap, negative straps, aluminium rivet, copper rivet
And explosion-proof valve, described positive pole electrode seat and the negative pole electrode seat left and right two ends being separately positioned on cover plate in rectangular configuration, described
Positive strap is fixedly connected on the bottom of cover plate corresponding with the position of positive pole electrode seat by two aluminium rivets, and described is negative
Pole connection sheet is fixedly connected on the bottom of cover plate corresponding with the position of negative pole electrode seat by two copper rivets, and described is anti-
The rounded boss structure setting of quick-fried valve on the cover board and is located at centre position between positive pole electrode seat and negative pole electrode seat, and described prevents
Explosionproof hole and elastomeric guard piece are provided with quick-fried valve, described elastomeric guard piece is arranged on the periphery of explosionproof hole.
In one preferred embodiment of the utility model, described cover plate is rectangle aluminium sheet.
In one preferred embodiment of the utility model, described positive pole electrode seat and negative pole electrode seat are all using red copper material system
Form.
In one preferred embodiment of the utility model, described positive strap is monolithic 0.4mm thickness aluminium flake；Negative pole is even
Contact pin is monolithic 0.3mm thickness red copper nickel plating piece.
In one preferred embodiment of the utility model, described positive strap and negative straps all extend to cover plate
A side.
In one preferred embodiment of the utility model, described aluminium rivet and copper rivet are arranged on same horizontal line
On.
In one preferred embodiment of the utility model, described explosion-proof type lithium battery cap board component also includes positive pole pad
With negative pole pad, described positive pole pad be arranged on cover plate bottom and be located between cover plate and positive strap；Described is negative
Polar cushion piece is arranged on the bottom of cover plate and is located between cover plate and negative straps.
In one preferred embodiment of the utility model, described explosion-proof type lithium battery cap board component also includes plastic mattress
Circle, described plastic washer is separately positioned in positive pole electrode seat and the outer wall of negative pole electrode seat.
The beneficial effects of the utility model are: explosion-proof type lithium battery cap board component of the present utility model, and structure is simple, setting
There is explosion-proof valve, explosionproof hole and elastomeric guard piece are provided with explosion-proof valve simultaneously, elastomeric guard piece is arranged on the outer of explosionproof hole
Zhou Shang, has preferable explosion-proof performance, safe, explosion phenomenon when lithium battery can be avoided completely to overcharge.
Brief description
In order to be illustrated more clearly that the technical scheme in the utility model embodiment, below will be to required in embodiment description
Accompanying drawing to be used be briefly described it should be apparent that, drawings in the following description are only that of the present utility model some are real
Apply example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings, wherein:
Fig. 1 is the top view of a preferred embodiment of the utility model explosion-proof type lithium battery cap board component；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the upward view of Fig. 1；
Being labeled as in accompanying drawing: 1, cover plate, 2, positive pole electrode seat, 3, negative pole electrode seat, 4, positive strap, 5, negative pole connects
Piece, 6, aluminium rivet, 7, copper rivet, 8, explosion-proof valve, 9, positive pole pad, 10, negative pole pad, 11, plastic washer, 81, explosionproof hole,
82nd, elastomeric guard piece.
Specific embodiment
Technical scheme in the utility model embodiment will be clearly and completely described it is clear that described below
Embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on the enforcement in the utility model
Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into
The scope of the utility model protection.
As shown in Figure 1 to Figure 3, the utility model embodiment includes:
A kind of explosion-proof type lithium battery cap board component, including cover plate 1, positive pole electrode seat 2, negative pole electrode seat 3, positive strap 4, negative
Pole connection sheet 5, aluminium rivet 6, copper rivet 7 and explosion-proof valve 8, described positive pole electrode seat 2 and in rectangular configuration point of negative pole electrode seat 3
It is not arranged on the left and right two ends of cover plate 1, the bottom that two aluminium rivets 6 are fixedly connected on cover plate 1 is passed through in described positive strap 4
And corresponding with the position of positive pole electrode seat 2, described negative straps 5 are fixedly connected on cover plate 1 by two copper rivets 7
Bottom is simultaneously corresponding with the position of negative pole electrode seat 3, and the described rounded boss structure of explosion-proof valve 8 is arranged on cover plate 1 and is located at
Centre position between positive pole electrode seat 2 and negative pole electrode seat 3, described explosion-proof valve 8 is provided with explosionproof hole 81 and elastomeric guard
Piece 82, described elastomeric guard piece 82 is arranged on the periphery of explosionproof hole 81.Wherein, described cover plate 1 is rectangle aluminium sheet.
In above-mentioned, described positive pole electrode seat 2 and negative pole electrode seat 3 are all made using red copper material；Described positive pole is even
Contact pin 4 is monolithic 0.4mm thickness aluminium flake；Negative straps 5 are monolithic 0.3mm thickness red copper nickel plating piece.Meanwhile, described positive pole connects
Piece 4 and negative straps 5 all extend to a side of cover plate 1.
Positive pole uses aluminium rivet 6, and negative pole is copper rivet 7, and described aluminium rivet 6 and copper rivet 7 are arranged on same water
On horizontal line.Aluminium rivet 6 and the favorable sealing property of copper rivet 7, pressure >=1.0mpa.
Further, described explosion-proof type lithium battery cap board component also includes positive pole pad 9 and negative pole pad 10, described
Positive pole pad 9 is arranged on the bottom of cover plate 1 and is located between cover plate 1 and positive strap 4；Described negative pole pad 10 is arranged on
The bottom of cover plate 1 is simultaneously located between cover plate 1 and negative straps 5.
Described explosion-proof type lithium battery cap board component also includes plastic washer 11, and described plastic washer 11 is separately positioned on
On the outer wall of positive pole electrode seat 2 and negative pole electrode seat 3.
The explosion-proof type lithium battery cap board component that the utility model provides, has following technical requirements；
1. aluminium sheet needs decontamination. and go oil processing, and can not deform；
2. no starved, batch cutting edge of a knife or a sword, impurity, the phenomenon such as dirty；
3.75 degree are toasted 10 hours, and colloid no deforms；
4. material: 3003al+pfa；
5. both positive and negative polarity electrode seat is red copper button；
6. positive strap is monolithic 0.4mm thickness aluminium flake；
7. negative straps are monolithic 0.3mm thickness red copper nickel plating piece；
8. explosion-proof valve opening pressure is 5-9mpa；
9. positive pole internal resistance scope 0.25-0.35mpa；
10. negative pole internal resistance scope 0.2-0.3mpa；
11. rivet favorable sealing properties, pressure >=1.0mpa；
12. just extremely aluminium rivets；Negative pole is copper rivet.
In sum, explosion-proof type lithium battery cap board component of the present utility model, structure is simple, is provided with explosion-proof valve 8, simultaneously
Explosionproof hole 81 and elastomeric guard piece 82 are provided with explosion-proof valve 8, elastomeric guard piece 82 is arranged on the periphery of explosionproof hole 81,
There is preferable explosion-proof performance, safe, explosion phenomenon when lithium battery can be avoided completely to overcharge.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
The equivalent structure made using the utility model description or equivalent flow conversion, or directly or indirectly it is used in other phases
The technical field closed, is all included in the same manner in scope of patent protection of the present utility model.
Claims (7)
1. it is characterised in that including cover plate, positive pole electrode seat, negative pole electrode seat, positive pole connects a kind of explosion-proof type lithium battery cap board component
Piece, negative straps, aluminium rivet, copper rivet and explosion-proof valve, described positive pole electrode seat and in rectangular configuration point of negative pole electrode seat
Be not arranged on the left and right two ends of cover plate, described positive strap by two aluminium rivets be fixedly connected on cover plate bottom and with
The position of positive pole electrode seat is corresponding, described negative straps by two copper rivets be fixedly connected on cover plate bottom and with
The position of negative pole electrode seat is corresponding, and the setting of described explosion-proof valve rounded boss structure on the cover board and is located at positive pole electrode seat and bears
Centre position between the electrode seat of pole, described explosion-proof valve is provided with explosionproof hole and elastomeric guard piece, and described elastomer is prevented
Bluff piece is arranged on the periphery of explosionproof hole, and described positive strap and negative straps all extend to a side of cover plate.
2. explosion-proof type lithium battery cap board component according to claim 1 is it is characterised in that described cover plate is rectangle aluminium
Plate.
3. explosion-proof type lithium battery cap board component according to claim 1 is it is characterised in that described positive pole electrode seat and negative pole
Electrode seat is all made using red copper material.
4. explosion-proof type lithium battery cap board component according to claim 1 is it is characterised in that described positive strap is single
Piece 0.4mm thickness aluminium flake；Negative straps are monolithic 0.3mm thickness red copper nickel plating piece.
5. explosion-proof type lithium battery cap board component according to claim 1 is it is characterised in that described aluminium rivet and red copper riveting
Nail setting is in the same horizontal line.
6. explosion-proof type lithium battery cap board component according to claim 1 is it is characterised in that described explosion-proof type lithium battery cap
Board component also includes positive pole pad and negative pole pad, and described positive pole pad is arranged on the bottom of cover plate and is located at cover plate and positive pole
Between connection sheet；Described negative pole pad is arranged on the bottom of cover plate and is located between cover plate and negative straps.
7. explosion-proof type lithium battery cap board component according to claim 1 is it is characterised in that described explosion-proof type lithium battery cap
Board component also includes plastic washer, and described plastic washer is separately positioned in positive pole electrode seat and the outer wall of negative pole electrode seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620294493.9U CN205900610U (en) | 2016-04-11 | 2016-04-11 | Explosion -proof type lithium - ion battery cover plate subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620294493.9U CN205900610U (en) | 2016-04-11 | 2016-04-11 | Explosion -proof type lithium - ion battery cover plate subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205900610U true CN205900610U (en) | 2017-01-18 |
Family
ID=57765288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620294493.9U Expired - Fee Related CN205900610U (en) | 2016-04-11 | 2016-04-11 | Explosion -proof type lithium - ion battery cover plate subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205900610U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473991A (en) * | 2019-07-10 | 2019-11-19 | 常熟高嘉能源科技有限公司 | A kind of lithium battery cover plate of good seal performance |
| CN112864542A (en) * | 2019-11-27 | 2021-05-28 | 江苏海四达电源股份有限公司 | Pole structure and lithium ion battery |
-
2016
- 2016-04-11 CN CN201620294493.9U patent/CN205900610U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473991A (en) * | 2019-07-10 | 2019-11-19 | 常熟高嘉能源科技有限公司 | A kind of lithium battery cover plate of good seal performance |
| CN112864542A (en) * | 2019-11-27 | 2021-05-28 | 江苏海四达电源股份有限公司 | Pole structure and lithium ion battery |
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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: 20170118 Termination date: 20170411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |