CN212136488U - Explosion-proof combined power battery cover plate - Google Patents
Explosion-proof combined power battery cover plate Download PDFInfo
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- CN212136488U CN212136488U CN201921932287.6U CN201921932287U CN212136488U CN 212136488 U CN212136488 U CN 212136488U CN 201921932287 U CN201921932287 U CN 201921932287U CN 212136488 U CN212136488 U CN 212136488U
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- cover plate
- explosion
- pole column
- upper cover
- power battery
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses an explosion-proof combined power battery cover plate which comprises an upper cover plate, a positive pole column, a negative pole column, a plastic bracket, a positive pole connecting film and a negative pole connecting film, wherein the plastic bracket is arranged on the upper cover plate; compared with the common power battery cover plate, the finished product has the advantages of simple process, fewer parts, capability of being used in a combined manner, convenience for partial production or replacement, and technical progress in the field.
Description
Technical Field
The utility model belongs to the battery production field especially relates to a modular can explosion-proof power battery apron.
Background
With the global attention on energy crisis, new energy automobiles have shown various advantages and rapidly rise in the whole automobile industry, and research and development of batteries serving as core power sources of new energy automobiles are also key points in research and development of technologies of various automobiles and enterprises, wherein the three performances are difficult points in research and development of power batteries, namely capacity of the power batteries, qualification rate in the production process and use safety of the batteries.
The power cover plate is an important component of the power battery, and how to improve the performance of the power battery based on the above three aspects is also a key problem to be solved by related technicians.
Disclosure of Invention
For the qualification rate of solving in the production process to and the problem of battery safety in utilization, the utility model designs an explosion-proof combined power battery apron, its characterized in that: comprises an upper cover plate, a positive pole column, a negative pole column, a plastic bracket, a positive pole connecting film and a negative pole connecting film; the upper cover plate is in a strip sheet shape, the center and two ends of the upper cover plate are provided with circular hollows, the center of the upper cover plate is provided with an explosion-proof valve in a hollow manner, one of the hollows in the two ends of the upper cover plate is provided with a positive pole column in a hollow manner, and the other hollow is provided with a negative pole column in a hollow manner; the outer sides of the upper parts of the positive pole column and the negative pole column are fixed with plastic rings, and the outer sides of the lower parts of the positive pole column and the negative pole column are fixed with insulating sealing gaskets; the two plastic supports are fixed on the lower surface of the upper cover plate, correspond to the positive pole column and the negative pole column, and are provided with circular hollows for the insulating sealing gaskets to pass through; the positive electrode connecting soft sheet and the negative electrode connecting soft sheet are respectively provided with two sheets which are stacked up and down, the middle parts of the positive electrode connecting soft sheet and the negative electrode connecting soft sheet are fixed through ultrasonic welding and are respectively fixed at the lower parts of the two plastic supports, the positive electrode connecting soft sheet and the negative electrode connecting soft sheet are respectively provided with two bending lines which are axially symmetrical by taking the longitudinal center line of the cover plate as an axis, and the bending lines are arched in an arc shape.
Preferably, an explosion-proof valve protective film is fixed on the upper part of the explosion-proof valve.
Preferably, the insulating sealing gasket is made of fluororubber, the positive pole column, the positive pole connecting film and the explosion-proof valve are made of aluminum 1060, the negative pole column is made of a composite material of copper T2 and aluminum 1060, the positive pole connecting film is made of copper T2, the plastic support is made of PP material, the upper cover plate is made of aluminum 3003, the explosion-proof valve protection film is made of PET material, the plastic ring at the negative pole column is made of PPS +30% glass fiber, and the plastic ring at the positive pole column is made of PPS +30% glass fiber + conductive agent.
Preferably, the positive electrode connecting film and the negative electrode connecting film are arranged in a manner that the included angle of the upper layer at two sides of the bending position is 180 degrees, and the included angle of the lower layer at two sides of the bending position is 90 degrees.
Preferably, the plastic support is provided with a lock hole, and the lower surface of the upper cover plate is provided with a lock hook corresponding to the lock hole.
The utility model discloses production processes includes: the method comprises the steps of cover plate stamping, cleaning and drying, appearance full inspection, injection molding of a sealing ring (PFA), welding of an explosion-proof valve, helium full inspection, turnover piece welding, helium full inspection, assembly, riveting, laser welding, appearance full inspection, pressure resistance/resistance and packaging.
Drawings
Fig. 1 is a schematic view of a first viewing angle of the present invention.
Fig. 2 is a schematic view of a second viewing angle of the present invention.
Fig. 3 is a schematic view of a third viewing angle of the present invention.
Fig. 4 is a schematic structural diagram of a plastic bracket.
Detailed Description
Example 1
As shown in fig. 1-3 the utility model discloses an explosion-proof combined power battery cover plate, its characterized in that: comprises an upper cover plate 1, a positive pole post 3, a negative pole post 4, a plastic bracket 8, a positive pole connecting film 5 and a negative pole connecting film 6; the upper cover plate 1 is in a strip sheet shape, circular hollows are formed in the center and two ends of the upper cover plate, the explosion-proof valve 2 is arranged in the hollow position in the center, one of the hollow parts in the two ends is provided with the positive pole column 3, and the other hollow part is provided with the negative pole column 4; the outer sides of the upper parts of the positive pole post 3 and the negative pole post 4 are fixed with plastic rings 7, and the outer sides of the lower parts are fixed with insulating sealing gaskets 9; the two plastic supports 8 are fixed on the lower surface of the upper cover plate 1, correspond to the positive pole posts 3 and the negative pole posts 4, and are provided with circular hollows 12 for the insulating sealing gaskets 9 to pass through; the anode connecting soft sheet 5 and the cathode connecting soft sheet 6 are respectively provided with two sheets which are stacked up and down, the middle parts 11 of the anode connecting soft sheet and the cathode connecting soft sheet are fixed through ultrasonic welding and are respectively fixed at the lower parts of the two plastic supports 8, the anode connecting soft sheet 5 and the cathode connecting soft sheet 6 are respectively provided with more than two bending lines 10 which are axially symmetrical by taking the longitudinal central line of the cover plate 1 as an axis, and the bending lines 10 are arched in an arc shape.
More specifically, the upper part of the explosion-proof valve 2 is fixed with a protective film of the explosion-proof valve 2.
More specifically, insulating seal pad 9 is the fluororubber system, positive post 3, anodal connection film 5, explosion-proof valve 2 are aluminium 1060 system, negative pole post 4 is copper T2 and aluminium 1060 combined material system, anodal connection film 5 is copper T2 system, plastic support 8 is the PP material system, upper cover plate 1 is aluminium 3003 system, explosion-proof valve 2 protection film is the PET material system, and 4 plastic rings 7 of negative pole post are PPS +30% glass fiber system, and 3 plastic rings 7 of positive post are PPS +30% glass fiber + conducting agent system.
More specifically, the positive electrode connecting flexible sheet 5 and the negative electrode connecting flexible sheet 6 are arranged, the included angle of the upper layer at two sides of the bending position is 180 degrees, and the included angle of the lower layer at two sides of the bending position is 90 degrees.
More specifically, there is a lockhole 13 on the plastic support 8, upper cover plate 1 lower surface have the latch hook with the lockhole corresponds.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an explosion-proof combined power battery apron which characterized in that: comprises an upper cover plate, a positive pole column, a negative pole column, a plastic bracket, a positive pole connecting film and a negative pole connecting film; the upper cover plate is in a strip sheet shape, the center and two ends of the upper cover plate are provided with circular hollows, the center of the upper cover plate is provided with an explosion-proof valve in a hollow manner, one of the hollows in the two ends of the upper cover plate is provided with a positive pole column in a hollow manner, and the other hollow is provided with a negative pole column in a hollow manner; the outer sides of the upper parts of the positive pole column and the negative pole column are fixed with plastic rings, and the outer sides of the lower parts of the positive pole column and the negative pole column are fixed with insulating sealing gaskets; the two plastic supports are fixed on the lower surface of the upper cover plate, correspond to the positive pole column and the negative pole column, and are provided with circular hollows for the insulating sealing gaskets to pass through; the positive electrode connecting soft sheet and the negative electrode connecting soft sheet are respectively provided with two sheets which are stacked up and down, the middle parts of the positive electrode connecting soft sheet and the negative electrode connecting soft sheet are fixed through ultrasonic welding and are respectively fixed at the lower parts of the two plastic supports, the positive electrode connecting soft sheet and the negative electrode connecting soft sheet are respectively provided with two bending lines which are axially symmetrical by taking the longitudinal center line of the cover plate as an axis, and the bending lines are arched in an arc shape.
2. The explosion-proof combined type power battery cover plate according to claim 1, characterized in that: and an explosion-proof valve protective film is fixed on the upper part of the explosion-proof valve.
3. The explosion-proof combined type power battery cover plate according to claim 1, characterized in that: the positive electrode is connected with the flexible sheet, the negative electrode is connected with the flexible sheet, the included angle of the upper layer at the two sides of the bending position is 180 degrees, and the included angle of the lower layer at the two sides of the bending position is 90 degrees.
4. The explosion-proof combined type power battery cover plate according to claim 1, characterized in that: the plastic support is provided with a lock hole, and the lower surface of the upper cover plate is provided with a lock hook corresponding to the lock hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921932287.6U CN212136488U (en) | 2019-11-11 | 2019-11-11 | Explosion-proof combined power battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921932287.6U CN212136488U (en) | 2019-11-11 | 2019-11-11 | Explosion-proof combined power battery cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212136488U true CN212136488U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921932287.6U Active CN212136488U (en) | 2019-11-11 | 2019-11-11 | Explosion-proof combined power battery cover plate |
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| CN (1) | CN212136488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896132A (en) * | 2019-11-11 | 2020-03-20 | 江苏恒驰动力科技有限公司 | Explosion-proof combined power battery cover plate |
-
2019
- 2019-11-11 CN CN201921932287.6U patent/CN212136488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896132A (en) * | 2019-11-11 | 2020-03-20 | 江苏恒驰动力科技有限公司 | Explosion-proof combined power battery cover plate |
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