CN204118162U - Lithium battery cap burst disk - Google Patents
Lithium battery cap burst disk Download PDFInfo
- Publication number
- CN204118162U CN204118162U CN201420549687.XU CN201420549687U CN204118162U CN 204118162 U CN204118162 U CN 204118162U CN 201420549687 U CN201420549687 U CN 201420549687U CN 204118162 U CN204118162 U CN 204118162U
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- Prior art keywords
- burst disk
- lithium battery
- explosion
- battery
- proof line
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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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Abstract
The utility model discloses a kind of lithium battery cap burst disk, relate to a kind of lithium battery security combination and to block a shot special burst disk, belong to accessory battery field.It is circular piece, comprises explosion-proof line, it is characterized in that, explosion-proof line is semicircle, and burst disk center of circle 2.3-2.5 millimeter is departed from the center of circle of semicircle explosion-proof line, and semi-circular arc is apart from burst disk edge 2.5-2.7 millimeter; Burst disk adopts aluminium and aluminium ring to unite two into one.This kind of burst disk structure is simple, easy to use, improves the efficiency of cell positive pole ear ultrasonic bonding, greatly reduces the manufacturing cost that battery producer is total.For lithium battery producer selects different security combination blocks to provide convenience with the ultrasonic bonding reducing manufacturing cost and battery cap positive pole ear according to the size doing battery capacity.
Description
Technical field
The present invention relates to battery cap burst disk, particularly relate to a kind of lithium battery security combination and to block a shot special burst disk, belong to accessory battery field.
Background technology
The life appearing as we mankind of battery, amusement and work provide important power supply guarantee.Along with the development of society and the progress of human civilization, primary cell due to the pollution to environment, capacity is low, service time is short etc., and shortcoming will be eliminated gradually, the substitute is the secondary cell of the advantages such as pollution-free, capacity is large, long service life, wherein the distinctive self structure of lithium battery and performance are widely applied to every field, are exactly representative wherein as notebook computer, portable power source, electric tool etc.
Security combination block is the most important safety guarantee parts of lithium battery, and the structure of itself and production technology affect the performance of lithium battery and the manufacturing cost of battery producer directly or indirectly.The lithium battery of different capabilities, can according to the requirement of self manufacturing process in the practical application of different field, and selectivity uses the security combination block of different structure, and to reduce manufacturing cost, mainly there are the following problems at present:
1, the lithium battery of low capacity is all blocked a shot by the same security combination with amount type and power lithium battery, adds the manufacturing cost of battery.
2, in battery manufacturing process process, be subject to the restriction in security combination block welding region and lug direction, the welding of positive pole ear, inconvenient operation, efficiency reduces.
3, the welding laser machine welding of great majority block positive pole ear, this kind of equipment cost is too high.
Summary of the invention
The utility model, for the problem existing for low capacity lithium battery security combination cap used and battery cap positive pole ear laser welding, is developed a kind of welding region and is limited by lug direction greatly, not, the low capacity lithium battery cap burst disk that explosion-proof performance is good.
For realizing the utility model object, taper burst disk used for current lithium battery cap and aluminium ring are united two into one, make its reduce security combination block produce in operation, secondly original for taper burst disk conical surface is changed into plane, to increase the welding region of cell positive pole ear, and the explosion-proof line layout changed in burst disk, with increase ultrasonic welding machine positive pole ear welding time bear dynamics.
Technical solution is as follows: described low capacity lithium battery cap burst disk, is circular piece, comprises explosion-proof line, it is characterized in that, explosion-proof line is semicircle, and burst disk center of circle 2.3-2.5 millimeter is departed from the center of circle of semicircle explosion-proof line, and semi-circular arc is apart from burst disk edge 2.5-2.7 millimeter; Burst disk adopts aluminium and aluminium ring to unite two into one.
Require that burst disk can select 0.5mm-0.6mm thickness according to difference.
The utility model advantage: the lithium battery choice for use simple type described in the utility model of low capacity security combination block, its performance constant when substitute capacity type and power type use security combination block, reduce material cost.This kind of rational layout of its explosion-proof line of burst disk, change original circular explosion-proof line into semicircle explosion-proof line, its diameter of a circle reduces 1/3 millimeter than original.Its position is concentric with burst disk by original circular explosion-proof line, and change both centers of circle into and depart from, its property retention is constant, is more suitable for ultrasonic welding machine welding positive pole ear.For lithium battery producer selects different security combination blocks to provide convenience with the ultrasonic bonding reducing manufacturing cost and battery cap positive pole ear according to the size doing battery capacity.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model structure upward view.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Shown in Fig. 1 ~ Fig. 2, described low capacity lithium battery cap burst disk 1 is circular piece, comprises explosion-proof line 2, it is characterized in that, explosion-proof line 2 is semicircle, and burst disk center of circle 2.3-2.5 millimeter is departed from the center of circle of semicircle explosion-proof line, and semi-circular arc is apart from burst disk edge 2.5-2.7 millimeter; Burst disk 1 adopts aluminium and aluminium ring to unite two into one, and its thickness is equal to the summation of taper burst disk and aluminium ring: i.e. 0.5mm or 0.6mm thickness (can select according to different requirement), finally with special equipment drawing.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to the technical solution of the utility model and inventive concept thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (1)
1. lithium battery cap burst disk, is circular piece, comprises explosion-proof line, it is characterized in that, explosion-proof line is semicircle, and burst disk center of circle 2.3-2.5 millimeter is departed from the center of circle of semicircle explosion-proof line, and semi-circular arc is apart from burst disk edge 2.5-2.7 millimeter; Burst disk adopts aluminium and aluminium ring to unite two into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549687.XU CN204118162U (en) | 2014-09-24 | 2014-09-24 | Lithium battery cap burst disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549687.XU CN204118162U (en) | 2014-09-24 | 2014-09-24 | Lithium battery cap burst disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118162U true CN204118162U (en) | 2015-01-21 |
Family
ID=52335446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549687.XU Active CN204118162U (en) | 2014-09-24 | 2014-09-24 | Lithium battery cap burst disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910847A (en) * | 2017-03-31 | 2017-06-30 | 天津中科先进技术研究院有限公司 | Novel lithium ion battery |
| CN110459718A (en) * | 2019-08-29 | 2019-11-15 | 苏州中顶优品科技有限公司 | Plate bound edge circle explosion-proof line explosion rupture disk |
-
2014
- 2014-09-24 CN CN201420549687.XU patent/CN204118162U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910847A (en) * | 2017-03-31 | 2017-06-30 | 天津中科先进技术研究院有限公司 | Novel lithium ion battery |
| CN110459718A (en) * | 2019-08-29 | 2019-11-15 | 苏州中顶优品科技有限公司 | Plate bound edge circle explosion-proof line explosion rupture disk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |