CN211150653U - Lithium battery explosion-proof structure - Google Patents
Lithium battery explosion-proof structure Download PDFInfo
- Publication number
- CN211150653U CN211150653U CN201921427992.0U CN201921427992U CN211150653U CN 211150653 U CN211150653 U CN 211150653U CN 201921427992 U CN201921427992 U CN 201921427992U CN 211150653 U CN211150653 U CN 211150653U
- Authority
- CN
- China
- Prior art keywords
- battery
- battery body
- positive terminal
- explosion
- battery cell
- 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.)
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims description 16
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 8
- 238000004880 explosion Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 6
- 210000005056 cell body Anatomy 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- -1 graphite alkene Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 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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- Secondary Cells (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a lithium battery explosion-proof structure, including the battery cell, positive terminal, negative pole end, sealing washer, relief valve, top cap, top packing ring, separation sleeve, heat dissipation chamber, oversheath, the battery cell top is equipped with the positive terminal, the battery cell bottom is equipped with the negative pole end, battery cell upper portion is equipped with the sealing washer, the relief valve is installed at the sealing washer top, positive terminal outer lane is fixed with top cap, top packing ring by going up, the battery cell outer wall is fixed with the separation sleeve, space between the battery cell and the separation sleeve is established to the heat dissipation chamber, separation sleeve outer wall cladding has the oversheath. The utility model discloses can effectively absorb the internal heat degree of battery, avoid the internal high temperature of battery to cause the explosion, avoid causing the internal portion material of battery to leak and the oxygen reaction condition that produces the explosion.
Description
Technical Field
The utility model relates to an explosion-proof construction especially relates to a lithium cell explosion-proof construction.
Background
Lithium batteries are widely used in electronic products, and the chemical properties of lithium metal are very active, so that the lithium metal has very high requirements on the environment in processing, storage and use. With the development of science and technology, lithium batteries have become the mainstream nowadays. As the lithium battery has wide application and explosion events are also endlessly developed, the explosion-proof structure is not perfect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lithium cell explosion-proof construction to solve above-mentioned technical problem.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a lithium battery explosion-proof structure, includes the battery body, positive terminal, negative pole end, sealing washer, relief valve, top cap, top packing ring, separation sleeve, heat dissipation chamber, oversheath, the battery body top is equipped with the positive terminal, the battery body bottom is equipped with the negative pole end, battery body upper portion is equipped with the sealing washer, the relief valve is installed at the sealing washer top, positive terminal outer lane is fixed with top cap, top packing ring by going up, the battery body outer wall is fixed with the separation sleeve, the space between the battery body and the separation sleeve is established to the heat dissipation chamber, separation sleeve outer wall cladding has the oversheath.
On the basis of the technical scheme, the outer sheath is formed by bonding a woven mesh and an insulating rubber sleeve, the woven mesh is composed of crossed nylon ropes, and the insulating rubber sleeve is made of PVC materials.
On the basis of the technical scheme, the graphene sheet-shaped structure is filled in the heat dissipation cavity and used for absorbing heat dissipated in the battery.
On the basis of the technical scheme, the isolation sleeve is made of aluminum.
Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses the top packing ring on top cap upper portion has strengthened the structure of top cap, avoid the internal portion of cell to expand and warp, lead to leaking, graphite alkene material between isolation sleeve and the cell body, can effectively absorb the internal portion heat of cell, avoid the internal portion high temperature of cell to cause the explosion, the isolation sleeve has also indirectly stabilized the structure of cell body, the inside woven mesh of oversheath prevents that foreign object from carrying out the fish tail to the cell body, avoid causing the internal portion material of cell to leak and oxygen reaction produces the condition of explosion.
Drawings
Fig. 1 is a schematic view of the appearance structure of the present invention.
Fig. 2 is a cross sectional view of the upper part of the battery body, the isolation sleeve and the outer sheath of the present invention.
Fig. 3 is a schematic view of the inner structure of the outer sheath of the present invention.
In the figure: 1. the battery comprises a battery body, 2, a positive terminal, 3, a negative terminal, 4, a sealing ring, 5, a safety valve, 6, a top cover, 7, a top gasket, 8, an isolation sleeve, 9, an isolation sleeve, 10, an outer sheath, 11, a woven mesh, 12 and an insulating rubber sleeve.
Detailed Description
The invention is explained in further detail below with reference to the figures and the embodiments.
As shown in fig. 1-3, an explosion-proof structure of lithium battery comprises a battery body 1, a positive terminal 2, a negative terminal 3, a sealing ring 4, a safety valve 5, a top cover 6, a top gasket 7, an isolation sleeve 8, a heat dissipation cavity 9 and an outer sheath 10, and is characterized in that: the improved battery is characterized in that a positive end 2 is arranged at the top of the battery body 1, a negative end 3 is arranged at the bottom of the battery body 1, a sealing ring 4 is arranged on the upper portion of the battery body 1, a safety valve 5 is installed at the top of the sealing ring 4, a top cover 6 and a top gasket 7 are fixed on an outer ring of the positive end 2 from bottom to top, an isolation sleeve 8 is fixed on the outer wall of the battery body 1, a heat dissipation cavity 9 is arranged in a space between the battery body 1 and the isolation sleeve 8, and an outer sheath 10 wraps the outer wall of the isolation.
The outer sheath 10 is formed by bonding a woven mesh 11 and an insulating rubber sleeve 12, the woven mesh 11 is composed of crossed nylon ropes, and the insulating rubber sleeve 12 is made of PVC materials.
The heat dissipation cavity 9 is filled with a graphene sheet structure and used for absorbing heat dissipated in the battery.
The isolation sleeve 8 is made of aluminum.
The utility model discloses a theory of operation: top cap upper portion and top packing ring prevent the inside expansion deformation of battery body, and the heat that the battery body gived off is effectively absorbed to graphite alkene, avoids the battery high temperature, and the oversheath is avoided foreign object to the battery body fish tail, causes chemical reaction to produce the battery explosion.
The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.
Claims (1)
1. The utility model provides an explosion-proof structure of lithium cell, includes battery body (1), positive terminal (2), negative pole end (3), sealing washer (4), relief valve (5), top cap (6), top packing ring (7), isolation sleeve (8), heat dissipation chamber (9), oversheath (10), its characterized in that: the battery comprises a battery body (1), wherein a positive terminal (2) is arranged at the top of the battery body (1), a negative terminal (3) is arranged at the bottom of the battery body (1), a sealing ring (4) is arranged on the upper portion of the battery body (1), a safety valve (5) is installed at the top of the sealing ring (4), a top cover (6) and a top gasket (7) are fixed on the outer ring of the positive terminal (2) from bottom to top, an isolation sleeve (8) is fixed on the outer wall of the battery body (1), a heat dissipation cavity (9) is arranged in the space between the battery body (1) and the isolation sleeve (8), an outer sheath (10) is wrapped on the outer wall of the isolation sleeve (8), the outer sheath (10) is formed by bonding a woven mesh (11) and an insulating rubber sleeve (12), the woven mesh (11) is composed of crossed nylon ropes, the insulating rubber sleeve (12) is made of PVC material, the battery heat-absorbing device is used for absorbing heat emitted in the battery, and the isolation sleeve (8) is made of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427992.0U CN211150653U (en) | 2019-08-30 | 2019-08-30 | Lithium battery explosion-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427992.0U CN211150653U (en) | 2019-08-30 | 2019-08-30 | Lithium battery explosion-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211150653U true CN211150653U (en) | 2020-07-31 |
Family
ID=71766231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921427992.0U Active CN211150653U (en) | 2019-08-30 | 2019-08-30 | Lithium battery explosion-proof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211150653U (en) |
-
2019
- 2019-08-30 CN CN201921427992.0U patent/CN211150653U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211110 Address after: 610000 room 107, 1f, building 5, No. 508, Shangdu Road, Dongsheng Street, Shuangliu District, Chengdu, Sichuan Patentee after: Chengdu Jinshang Xinneng Trading Co., Ltd Address before: 277400 Ma Lan Tun Zhen Ba Dui Cun, Taierzhuang District, Zaozhuang City, Shandong Province Patentee before: Huang Nannan |
|
| TR01 | Transfer of patent right |