CN211789208U - Explosion-proof lithium cell group of strengthening - Google Patents
Explosion-proof lithium cell group of strengthening Download PDFInfo
- Publication number
- CN211789208U CN211789208U CN202020815297.8U CN202020815297U CN211789208U CN 211789208 U CN211789208 U CN 211789208U CN 202020815297 U CN202020815297 U CN 202020815297U CN 211789208 U CN211789208 U CN 211789208U
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- CN
- China
- Prior art keywords
- explosion
- proof
- rubber ring
- proof layer
- ring groove
- 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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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 35
- 238000005728 strengthening Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 125000005587 carbonate group Chemical group 0.000 claims description 2
- 239000008393 encapsulating agent Substances 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses an explosion-proof lithium cell group of strengthening, it includes: the upper part of the box body is provided with a sealing table top in a circle; the box cover is arranged above the box body, a rubber ring groove is formed in the lower end of the edge of the box cover, a sealing rubber ring is embedded in the rubber ring groove and abuts against the sealing table top, and wavy protruding reinforcing ribs are arranged on the sealing table top and the rubber ring groove; the first explosion-proof layer is arranged inside the box body and below the box cover; the second explosion-proof layer is arranged in the first explosion-proof layer and is an aluminum alloy film. The utility model discloses a set up the first explosion-proof layer of carbonate material and the second explosion-proof layer of aluminium alloy material in the outside of lithium cell group, set up the air guide safety hole on box and case lid, greatly increased the explosion-proof performance of lithium cell group, set up the bellied strengthening rib of wave simultaneously on sealed mesa and rubber ring groove, increased leakproofness and the steadiness of connecting between box and the case lid.
Description
Technical Field
The utility model belongs to the technical field of the battery, specifically speaking relates to an explosion-proof lithium cell group of strengthening.
Background
With the increasing shortage of energy sources, lithium battery packs are widely applied in various fields. At present, lithium battery packs in the market are all rectangular or square, and a whole lithium battery pack is placed in an inner space. Lithium cell group can produce a large amount of heats and gather at the battery center charging, discharge in-process, though its inside charge-discharge protection shield that is provided with, nevertheless because the heat in overcharging or overdischarging rises comparatively fast, and it is because a whole heat conduction is slower, consequently, often can cause the interior deformation that generates heat of battery, production potential safety hazard. Therefore, a lithium battery pack having a stable structure and a good explosion-proof effect is required to cope with this problem.
SUMMERY OF THE UTILITY MODEL
In view of this, the technical problem that this application will solve provides an explosion-proof lithium cell group of strengthening, through set up the first explosion-proof layer of carbonate material and the second explosion-proof layer of aluminium alloy material in the outside of lithium cell group, set up the air guide safety vent on box and case lid, greatly increased the explosion-proof performance of lithium cell group, set up the bellied strengthening rib of wave simultaneously on sealed mesa and rubber ring groove, increased the leakproofness and the steadiness of connecting between box and the case lid.
In order to solve the technical problem, the application discloses an explosion-proof lithium cell group of strengthening, it includes: the upper part of the box body is provided with a sealing table top in a circle; the box cover is arranged above the box body, a rubber ring groove is formed in the lower end of the edge of the box cover, a sealing rubber ring is embedded in the rubber ring groove and abuts against the sealing table top, and wavy protruding reinforcing ribs are arranged on the sealing table top and the rubber ring groove; the first explosion-proof layer is arranged inside the box body and below the box cover; the second explosion-proof layer is arranged on the inner side of the first explosion-proof layer and is an aluminum alloy film; and the lithium battery pack is arranged in the second explosion-proof layer.
According to an embodiment of the present invention, the material of the first explosion-proof layer is a carbonate material.
According to an embodiment of the present invention, the thickness of the sealing rubber ring is 6mm to 8 mm.
According to the utility model discloses an embodiment, wherein one side of above-mentioned box is equipped with the terminal that stretches out.
According to the utility model discloses an embodiment, wherein all seted up the air guide safety vent on above-mentioned box and the case lid, the quantity in air guide safety vent sets up to respectively two sets of from top to bottom.
According to an embodiment of the present invention, a waterproof air-guiding film is disposed in the air-guiding safety hole.
Compared with the prior art, the utility model discloses can obtain including following technological effect:
set up the first explosion-proof layer of carbonate material and the second explosion-proof layer of aluminium alloy material through the outside at lithium cell group, set up the air guide safety vent on box and case lid, greatly increased the explosion-proof performance of lithium cell group, set up the bellied strengthening rib of wave simultaneously on sealed mesa and rubber ring groove, increased the leakproofness and the steadiness of connecting between box and the case lid.
Of course, it is not necessary for any product to achieve all of the above-described technical effects simultaneously.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic diagram of an explosion-proof reinforced lithium battery pack according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of the explosion-proof reinforced lithium battery pack according to the embodiment of the present invention.
Reference numerals
The anti-explosion box comprises a box body 10, a sealing table top 11, a box cover 20, a rubber ring groove 21, a sealing rubber ring 30, reinforcing ribs 40, a first anti-explosion layer 50, a second anti-explosion layer 60, a lithium battery pack 70, a wiring column 80, an air guide safety hole 90 and a waterproof air guide film 100.
Detailed Description
The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic view of an explosion-proof reinforced lithium battery pack according to an embodiment of the present invention, and fig. 2 is a partial enlarged view of the explosion-proof reinforced lithium battery pack according to an embodiment of the present invention.
As shown, an explosion-proof reinforced lithium battery pack includes: a sealing table surface 11 is arranged on one circle of the upper part of the box body 10; the box cover 20 is arranged above the box body 10, a rubber ring groove 21 is arranged at the lower end of the edge of the box cover 20, a sealing rubber ring 30 is embedded in the rubber ring groove 21, the sealing rubber ring 30 is abutted against the sealing table top 11, and wavy convex reinforcing ribs 40 are arranged on the sealing table top 11 and the rubber ring groove 21; a first explosion-proof layer 50 disposed inside the case body 10 and below the case cover 20; a second explosion-proof layer 60 arranged at the inner side of the first explosion-proof layer 50, wherein the second explosion-proof layer 60 is an aluminum alloy film; and a lithium battery pack 70 disposed in the second explosion-proof layer 60.
In one embodiment of the present invention, one side of the housing 10 is provided with a protruding terminal 80 for connecting an output voltage. The upper circle of the box body 10 is provided with a sealing table surface 11, and a box cover 20 is arranged above the box body 10. The lower end of the edge of the box cover 20 is provided with a rubber ring groove 21, a sealing rubber ring 30 is embedded in the rubber ring groove 21, and the rubber ring groove 21 extrudes the sealing rubber ring 30 and then props against the sealing table top 11. Preferably, the sealing rubber ring 30 has a thickness of 6mm to 8mm and serves as a seal. The sealing table 11 and the rubber ring groove 21 are both provided with wave-shaped convex reinforcing ribs 40, and the arrangement of the reinforcing ribs 40 increases the contact friction force and improves the sealing property and the stability of the connection between the box body 10 and the box cover 20.
Further, a first explosion-proof layer 50 is provided inside the case 10 and below the case cover 20, and preferably, the first explosion-proof layer 50 is made of a carbonate material. The second explosion-proof layer 60 is arranged on the inner side of the first explosion-proof layer 50, and the second explosion-proof layer 60 is an aluminum alloy film. The lithium battery pack 70 is disposed in the second explosion-proof layer 60. Air guide safety holes 90 are formed in the box body 10 and the box cover 20, the number of the air guide safety holes 90 is two, and a waterproof air guide film 100 is arranged in each air guide safety hole 90. The waterproof air guide film 100 can prevent water vapor from entering the interior of the box body, and meanwhile, the air guide safety hole 90 can also release pressure inside the box body, so that overlarge internal pressure is prevented. The first explosion-proof layer 50 of carbonate material and the second explosion-proof layer 60 of aluminium alloy material are set up to the outside of lithium cell group 70, set up air guide safety vent 90 on box 10 and case lid 20, greatly increased the explosion-proof performance of lithium cell group.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (6)
1. An explosion-proof lithium cell group of strengthening which characterized in that includes:
the box body is provided with a sealing table top in a circle at the upper part of the box body;
the box cover is arranged above the box body, a rubber ring groove is formed in the lower end of the edge of the box cover, a sealing rubber ring is embedded in the rubber ring groove and abuts against the sealing table top, and waved and raised reinforcing ribs are arranged on the sealing table top and the rubber ring groove;
the first explosion-proof layer is arranged inside the box body and below the box cover;
the second explosion-proof layer is arranged on the inner side of the first explosion-proof layer and is an aluminum alloy film;
and the lithium battery pack is arranged in the second explosion-proof layer.
2. The explosion-proof reinforced lithium battery of claim 1 wherein the material of the first explosion-proof layer is a carbonate material.
3. The explosion-proof lithium-enhanced battery of claim 1 wherein the encapsulant rubber has a thickness of 6mm to 8 mm.
4. The explosion-proof lithium-enhanced battery pack as set forth in claim 1, wherein one side of the case is provided with a protruding terminal.
5. The explosion-proof reinforced lithium battery pack as recited in claim 1, wherein the case body and the case cover are provided with air guide safety holes, and the number of the air guide safety holes is two groups.
6. The explosion-proof lithium-enhanced battery pack as set forth in claim 5, wherein a waterproof gas-conducting film is provided in the gas-conducting safety hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020815297.8U CN211789208U (en) | 2020-05-16 | 2020-05-16 | Explosion-proof lithium cell group of strengthening |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020815297.8U CN211789208U (en) | 2020-05-16 | 2020-05-16 | Explosion-proof lithium cell group of strengthening |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211789208U true CN211789208U (en) | 2020-10-27 |
Family
ID=72955170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202020815297.8U Expired - Fee Related CN211789208U (en) | 2020-05-16 | 2020-05-16 | Explosion-proof lithium cell group of strengthening |
Country Status (1)
Country | Link |
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CN (1) | CN211789208U (en) |
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2020
- 2020-05-16 CN CN202020815297.8U patent/CN211789208U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |
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CF01 | Termination of patent right due to non-payment of annual fee |