CN201364916Y - Battery cover cap and battery - Google Patents
Battery cover cap and battery Download PDFInfo
- Publication number
- CN201364916Y CN201364916Y CNU200920130166XU CN200920130166U CN201364916Y CN 201364916 Y CN201364916 Y CN 201364916Y CN U200920130166X U CNU200920130166X U CN U200920130166XU CN 200920130166 U CN200920130166 U CN 200920130166U CN 201364916 Y CN201364916 Y CN 201364916Y
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- CN
- China
- Prior art keywords
- battery
- cap
- utility
- model
- battery cap
- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a battery cover cap, comprising an end cap; an annular cap bottom wall extends from the end cap; the surface of the cap bottom wall is provided with a thin wall part which can be broken under a certain pressure; the utility model also discloses a battery, comprising a battery shell, a battery cover cap, an electrode group and electrolyte, wherein the electrode group is formed by winding of a positive electrode, a diagram and a negative electrode; the electrode group is assembled in the battery shell and soaked by the electrolyte; the electrode group is capped by the battery; the battery cover cap is sealed with the battery shell; the battery cover cap comprises the end cap; the annular cap bottom wall extends from the end cap; and the surface of the cap bottom wall is provided with the thin wall part which can be broken under a certain pressure. The battery cover cap effectively improves safety performance of the battery and has simple structure and convenient processing.
Description
Technical field
The utility model relates to battery, more particularly, relates to a kind of battery cap and battery.
Background technology
The effect of block is the important quality guarantee of cell safety; battery is made flow process and is in the battery assembling process: volume battery-put face pad-jet-bedding to put the oil-fluid injection-discharge pond block-spot welding blocks a shot-by cap-seal etc.; usually the positive terminal brace covers explosionproof hole fully in the time of can occurring battery at the spot welding block or by cap; inside battery gas can't in time be released; cause inside battery moment gas to increase and produce blast, the rate of finished products influence that the difference of battery cap version is made battery is very big.
At present, existing battery cap architecture complexity among production process, is blocked explosionproof hole during special spot welding block easily, and the security performance of later stage battery is had a significant impact.
The utility model content
Inventor of the present utility model finds to be easy to cause inner pressure of battery can't discharge battery container too greatly owing to the reason of common batteries capping structure, thereby influences battery safety through repeatedly research and experiment.
The purpose of this utility model is that the reason that overcomes the conventional batteries capping structure causes inner pressure of battery can't discharge battery container too greatly, causes the unsettled defective of battery safety, and a kind of new battery cap is provided, thus the security performance of raising battery.
The utility model provides a kind of battery cap, comprises end cap, and described end cap extends a ring cap diapire, and described cap bottom wall surface is provided with the thinner wall section of being washed open under certain pressure.
The utility model provides a kind of battery, comprises battery case, battery cap, battery cap, the electrode group, electrolyte, wherein, the electrode group is by positive pole, barrier film, and negative pole is reeled and is made, electrode is assembled in the battery case and is the electrolyte immersion, the electrode group is by battery cap, and battery cap and battery case seal, and described battery cap comprises end cap, end cap extends a ring cap diapire, and the cap bottom wall surface is provided with the thinner wall section of being washed open under certain pressure.
The utility model provides a kind of battery, and the battery cap of this battery adopts new structure, and promptly the cap bottom wall surface is provided with the thinner wall section of being washed open under certain pressure, the design of this thinner wall section, effectively improve the security performance of battery, the utility model is simple in structure, and is easy to process.
Description of drawings
A kind of battery that Fig. 1 provides for the utility model partly cut open structural representation;
Fig. 2 is that cut-away view is amplified in the part of Fig. 1;
The section diagrammatic sketch of first kind of battery cap that Fig. 3 the utility model provides;
The section diagrammatic sketch of second kind of battery cap that Fig. 4 the utility model provides;
The section diagrammatic sketch of the third battery cap that Fig. 5 the utility model provides;
The section diagrammatic sketch of the 4th kind of battery cap that Fig. 6 the utility model provides;
The section diagrammatic sketch of the 5th kind of battery cap that Fig. 7 the utility model provides;
The section diagrammatic sketch of the 6th kind of battery cap that Fig. 8 the utility model provides;
The section diagrammatic sketch of the 7th kind of battery cap that Fig. 9 the utility model provides;
The section diagrammatic sketch of the 8th kind of battery cap that Figure 10 the utility model provides;
The comparative graph of Figure 11 the utility model embodiment and Comparative Examples.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing.
See figures.1.and.2, the utility model provides a kind of battery, comprises battery case 1, battery seal ring (not shown), battery cap 2; The electrode group, the electrolyte (not shown);
Wherein, the electrode group is by anodal 4, barrier film 3, and negative pole 5 is reeled and is made, and electrode is assembled in the battery case 1 and for electrolyte soaks, the electrode group is by battery cap 2, and battery seal ring and battery case 1 seal.
To shown in Figure 10, described battery cap 2 comprises end cap 21 as Fig. 2, and described end cap 21 extends a ring cap diapire 22, and cap diapire 22 surfaces are provided with the thinner wall section of being washed open 23 under certain pressure.
Described anode ear (not shown) is connected with battery cap 2, and negative electrode lug is connected with battery case 1.
The method preparation that the battery cap 2 that the utility model provides can adopt mechanical field to know arbitrarily; Such as the integrated punching moulding, the material of battery cap 2 is generally selected steel, aluminium etc. for use.
The thickness of described battery cap 2 can be decided according to the kind and the preparation needs of battery.
The shape of thinner wall section 23 can be determined according to the performance of required battery, be generally V-arrangement or inverted V-shaped or U-shaped or inverted U-shaped.
A kind of cell manufacturing method of the present utility model: the utility model is an example with ni-mh/nickel-cadmium cell;
Battery cap is made: can adopt various material well known in the art to make, as the steel material; Can determine according to battery size; Battery cap described in the utility model can wholely be made, and it is one-body molded to be used for punching press.
Battery is made:
Make pole piece: produce nickel positive pole, cadmium cathode with general method;
Reel: will produce nickel positive pole, cadmium cathode and barrier film combine, and reel with half-automatic winder and to make pole piece;
Dress shell: in coiling is packed cylinder type nickel plating box hat into;
Put the oil: put the oil with nickel plating box hat jet-bedding and with inwall on the box hat, can make the better tightness of battery like this, and can prevent battery leakage;
Annotate alkali lye: will inject alkali lye in the semi-finished product under the above-mentioned operation;
Discharge pond sealing ring: sealing ring is placed in the battery case;
By blocking a shot: block of the present utility model is pressed in the respective battery;
Seal: battery is sealed with automatic sealing;
Subsequent handling: comprise the charging of battery, detect that packing etc. is finished battery and made.
According to battery provided by the utility model, also comprise other necessary assembly that battery pack is required, and the assembly method of battery pack is conventionally known to one of skill in the art, do not repeat them here.
Embodiment 1:
The making of battery cap 2, the integrated method preparation of described battery cap 2 usefulness punching presses, present embodiment 1 adopts the thinner wall section 23 of battery cap 2 to be shaped as " V " shape, when one-body molded, the afterbody of " V " shape is gone out, make its outstanding battery cap diapire 22, and the end cap in the present embodiment 21 is an entity.
Battery is made: combine with general nickel positive pole, cadmium cathode and barrier film, in coiling was packed cylinder type nickel plating box hat into, the positive pole ear of battery was connected with battery cap 2, and negative lug is connected with battery container 1, injected alkali lye, follow-up operations such as charging; Adopt above-mentioned battery cap, and the capacity of producing is certain Sc type battery, this battery is designated as A1; Finishing battery makes.
Embodiment 2:
The making of battery cap 2, the integrated method preparation of described battery cap 2 usefulness punching presses, present embodiment 1 adopts the thinner wall section 23 of battery cap 2 to be shaped as " V " shape, afterbody that will " V " shape when one-body molded is in the present embodiment given prominence to battery cap diapire 22, and end cap 21 is an entity.
Battery is made: combine with general nickel positive pole, cadmium cathode and barrier film, in coiling was packed cylinder type nickel plating box hat into, the positive pole ear of battery was connected with battery cap 2, and negative lug is connected with battery container 1, injected alkali lye, follow-up operations such as charging; Adopt above-mentioned battery cap, and the capacity of producing is certain Sc type battery, this battery is designated as A2; Finishing battery makes.
Embodiment 3:
The making of battery cap 2, the integrated method preparation of described battery cap 2 usefulness punching presses, present embodiment 1 adopts the thinner wall section 23 of battery cap 2 to be shaped as " V " shape, when one-body molded, the afterbody of " V " shape is gone out, make its outstanding battery cap diapire 22, and the end cap in the present embodiment 21 is hollow.
Battery is made: combine with general nickel positive pole, cadmium cathode and barrier film, in coiling was packed cylinder type nickel plating box hat into, the positive pole ear of battery was connected with battery cap 2, and negative lug is connected with battery container 1, injected alkali lye, follow-up operations such as charging; Adopt above-mentioned battery cap, and the capacity of producing is certain Sc type battery, this battery is designated as A3; Finishing battery makes.
Embodiment 4:
The making of battery cap 2, the integrated method preparation of described battery cap 2 usefulness punching presses, present embodiment 1 adopts the thinner wall section 23 of battery cap 2 to be shaped as " V " shape, when one-body molded in the present embodiment the afterbody of " V " shape is given prominence to battery cap diapire 22, and the end cap in the present embodiment 21 is hollow.
Battery is made: combine with general nickel positive pole, cadmium cathode and barrier film, in coiling was packed cylinder type nickel plating box hat into, the positive pole ear of battery was connected with battery cap 2, and negative lug is connected with battery container 1, injected alkali lye, follow-up operations such as charging; Adopt above-mentioned battery cap, and the capacity of producing is certain Sc type battery, this battery is designated as A4; Finishing battery makes.
Embodiment 5:
The making of battery cap 2, the integrated method preparation of described battery cap 2 usefulness punching presses, present embodiment 1 adopts the thinner wall section 23 of battery cap 2 to be shaped as down " V " shape, the head of " V " shape of will falling when one-body molded is gone out, make its outstanding battery cap diapire 22, and the end cap in the present embodiment 21 is an entity.
Battery is made: combine with general nickel positive pole, cadmium cathode and barrier film, in coiling was packed cylinder type nickel plating box hat into, the positive pole ear of battery was connected with battery cap 2, and negative lug is connected with battery container 1, injected alkali lye, follow-up operations such as charging; Adopt above-mentioned battery cap, and the capacity of producing is certain Sc type battery, this battery is designated as A5; Finishing battery makes.
Embodiment 6:
The making of battery cap 2, the integrated method preparation of described battery cap 2 usefulness punching presses, present embodiment 1 adopts the thinner wall section 23 of battery cap 2 to be shaped as down " V " shape, the outstanding battery cap diapire 22 of head that will fall " V " shape when one-body molded in the present embodiment, and end cap 21 is an entity.
Battery is made: combine with general nickel positive pole, cadmium cathode and barrier film, in coiling was packed cylinder type nickel plating box hat into, the positive pole ear of battery was connected with battery cap 2, and negative lug is connected with battery container 1, injected alkali lye, follow-up operations such as charging; Adopt above-mentioned battery cap, and the capacity of producing is certain Sc type battery, this battery is designated as A6; Finishing battery makes.
Embodiment 7:
The making of battery cap 2, the integrated method preparation of described battery cap 2 usefulness punching presses, present embodiment 1 adopts the thinner wall section 23 of battery cap 2 to be shaped as down " V " shape, the head of " V " shape of will falling when one-body molded is gone out, make its outstanding battery cap diapire 22, and the end cap in the present embodiment 21 is hollow.
Battery is made: combine with general nickel positive pole, cadmium cathode and barrier film, in coiling was packed cylinder type nickel plating box hat into, the positive pole ear of battery was connected with battery cap 2, and negative lug is connected with battery container 1, injected alkali lye, follow-up operations such as charging; Adopt above-mentioned battery cap, and the capacity of producing is certain Sc type battery, this battery is designated as A7; Finishing battery makes.
Embodiment 8:
The making of battery cap 2, the integrated method preparation of described battery cap 2 usefulness punching presses, present embodiment 1 adopts the thinner wall section 23 of battery cap 2 to be shaped as down " V " shape, the not outstanding battery cap diapire 22 of head that will fall " V " shape when one-body molded in the present embodiment, and end cap 21 is hollow.
Battery is made: combine with general nickel positive pole, cadmium cathode and barrier film, in coiling was packed cylinder type nickel plating box hat into, the positive pole ear of battery was connected with battery cap 2, and negative lug is connected with battery container 1, injected alkali lye, follow-up operations such as charging; Adopt above-mentioned battery cap, and the capacity of producing is certain Sc type battery, this battery is designated as A8; Finishing battery makes.
Comparative example:
According to prior art, comparative example adopts general battery cap.
Battery is made: combine with general nickel positive pole, cadmium cathode and barrier film, in coiling is packed cylinder type nickel plating box hat into, inject alkali lye, adopt general battery cap, and the capacity of producing is certain Sc type battery that this battery is remembered A9.
As seen from Figure 11, make 10000 batteries according to same material and method, adopt the finished product fraction defective of the battery A1-A8 of battery cap structure of the present utility model obviously to reduce, because the variation of battery cap structure of the present utility model, the design of this cap diapire thinner wall section is provided with like this and has improved battery safety.
The embodiment of the above is a better embodiment of the present utility model, is not to limit concrete practical range of the present utility model with this, and the equivalence that all shapes according to the utility model, structure are done changes all in protection range of the present utility model.
Although carefully described the utility model with reference to its specific execution mode, but it will be understood to those of skill in the art that, under the prerequisite of the spirit and scope of the present utility model that do not deviate from the claims qualification, can make various changes in form and details.
Claims (4)
1. a battery cap comprises end cap, and described end cap extends a ring cap diapire,
It is characterized in that: described cap bottom wall surface is provided with the thinner wall section of being washed open under certain pressure.
2. secondary cell as claimed in claim 1 is characterized in that: the thickness of described thinner wall section is less than the thickness of described cap diapire.
3. secondary cell as claimed in claim 1 is characterized in that: described thinner wall section be shaped as V-arrangement or inverted V-shaped or U-shaped or inverted U-shaped.
4. a battery comprises battery case, battery cap, electrode group, and electrolyte,
Wherein, the electrode group is by positive pole, barrier film, and negative pole is reeled and is made, and electrode is assembled in the battery case and for electrolyte soaks, the electrode group is by battery cap, and battery cap and battery case seal;
It is characterized in that: described battery cap is the described battery cap of any claim of claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920130166XU CN201364916Y (en) | 2009-02-12 | 2009-02-12 | Battery cover cap and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920130166XU CN201364916Y (en) | 2009-02-12 | 2009-02-12 | Battery cover cap and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201364916Y true CN201364916Y (en) | 2009-12-16 |
Family
ID=41475587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920130166XU Expired - Fee Related CN201364916Y (en) | 2009-02-12 | 2009-02-12 | Battery cover cap and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201364916Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107305936A (en) * | 2016-04-25 | 2017-10-31 | 三星Sdi株式会社 | Secondary cell |
| CN114171829A (en) * | 2022-02-11 | 2022-03-11 | 中创新航科技股份有限公司 | Battery and battery device |
| JP7538934B1 (en) | 2023-09-01 | 2024-08-22 | 晶科▲儲▼能科技有限公司 | Explosion-proof valve for cell top cover and cell top cover |
-
2009
- 2009-02-12 CN CNU200920130166XU patent/CN201364916Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107305936A (en) * | 2016-04-25 | 2017-10-31 | 三星Sdi株式会社 | Secondary cell |
| CN107305936B (en) * | 2016-04-25 | 2022-04-29 | 三星Sdi株式会社 | Secondary battery |
| CN114171829A (en) * | 2022-02-11 | 2022-03-11 | 中创新航科技股份有限公司 | Battery and battery device |
| JP7538934B1 (en) | 2023-09-01 | 2024-08-22 | 晶科▲儲▼能科技有限公司 | Explosion-proof valve for cell top cover and cell top cover |
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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: 20091216 Termination date: 20160212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |