CN211017180U - Multi-protection safety lithium battery - Google Patents
Multi-protection safety lithium battery Download PDFInfo
- Publication number
- CN211017180U CN211017180U CN201922202554.0U CN201922202554U CN211017180U CN 211017180 U CN211017180 U CN 211017180U CN 201922202554 U CN201922202554 U CN 201922202554U CN 211017180 U CN211017180 U CN 211017180U
- Authority
- CN
- China
- Prior art keywords
- lithium cell
- fixed
- heat dissipation
- heat
- plastic box
- 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 54
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 239000000178 monomer Substances 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003792 electrolyte Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a many protection safety lithium cell, including metal casing body, charge and discharge protection shield, by a plurality of monomer lithium cell electricity core and be used for the lithium cell group that the support of fixed monomer lithium cell electricity core constitutes, lithium cell group sets up in the metal casing body, lithium cell group is connected to and fills charge and discharge protection shield, its characterized in that: the lithium battery pack is arranged in the plastic box, heat conducting oil is arranged in the plastic box, the plastic box is wrapped with a ceramic fiber layer, the upper end of the plastic box is covered with a cover plate, and the upper surface of the cover plate is fixed with the charge and discharge protection plate. The utility model discloses a set up the metal casing body and strengthen consolidating, avoid the battery to warp, improve high temperature fire behavior through setting up ceramic fibre layer to immerse lithium cell group in the conduction oil, not only can improve the radiating effect, and can completely cut off the air, thereby improve explosion-proof ability.
Description
Technical Field
The utility model relates to a battery field, concretely relates to many protection safety lithium cell.
Background
The lithium battery is easy to explode and catch fire: in addition to the quality of the cells, this is mainly due to external causes. For example: overcharge and overdischarge: when the voltage reaches more than 4.5V, the battery core is overheated, the electrolyte can generate a large amount of gas, and the electrolyte can explode and ignite. External short-circuiting: because the discharge current of external short circuit is very big, can make the electricity core generate heat, high temperature can make the inside diaphragm shrink of electricity core or damage, causes the internal short circuit and explodes and catches fire. No matter because overcharge, overdischarge, external short circuit all can make electrolyte produce gas in a large number, along with the battery core swell, when atmospheric pressure reaches a definite value, the battery core can explode, gaseous release, lithium ion and air oxidation, the instant fire that catches fire.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a use safer many protection safety lithium cell.
The utility model provides a technical scheme that above-mentioned problem adopted is:
the utility model provides a many protection safety lithium cell, includes metal casing body, charge-discharge protection shield, by a plurality of monomer lithium cell electricity core and be used for the lithium cell group that the support of fixed monomer lithium cell electricity core constitutes, lithium cell group sets up in the metal casing body, lithium cell group is connected to and fills charge-discharge protection shield, its characterized in that: the lithium battery pack is arranged in the plastic box, heat conducting oil is arranged in the plastic box, the plastic box is wrapped with a ceramic fiber layer, the upper end of the plastic box is covered with a cover plate, and the upper surface of the cover plate is fixed with the charge and discharge protection plate. The utility model discloses a set up the metal casing body and strengthen consolidating, avoid the battery to warp, improve high temperature fire behavior through setting up ceramic fibre layer to immerse lithium cell group in the conduction oil, not only can improve the radiating effect, and can completely cut off the air, thereby improve explosion-proof ability.
Further, as preferred, the end opening has been seted up to metal casing body's bottom, and metal casing body's bottom is fixed with the extension limit that sets up along the end opening periphery, the bottom on extension limit covers there is the round sealing washer, and the below of sealing washer is fixed with the heating panel, the heating panel is provided with the heat dissipation arch of upwards sunken, and the bellied upper end of heat dissipation is fixed with the backup pad, and the heating panel passes through the screw fixation and extends the edge, and the sealing washer is pressed from both sides tightly to be fixed between heating panel and extension limit. By adopting the structure, the heat dissipation bulge of the heat dissipation plate is utilized to improve the contact area of hot air, thereby improving the heat dissipation performance of the battery and relieving the high heating condition during quick charging.
Further, as preferred, the heat dissipation bulge forms the pit of upwards sunken at its bottom, the heating panel supports on the heat dissipation base, and on heat conduction fin interval arranged and was fixed in the up end of heat dissipation base on a plurality of, heat conduction fin interval arranged and be fixed in the lower terminal surface of heat dissipation base under a plurality of, go up heat conduction fin one-to-one insert in the pit. By adopting the structure, the heat of the heat dissipation plate is led out to the lower heat conduction fins by utilizing the upper heat conduction fins, and the heat dissipation effect is greatly improved by utilizing the large contact surface between the lower heat conduction fins and the air.
Further, preferably, the metal outer case includes a main case and a cover, and an upper end of the main case is covered and fixed with the cover.
Further, as preferred, be provided with heat conduction silica gel between the outer wall of pit and the outer wall of last heat conduction fin.
Preferably, the upper heat-conducting fins and the plurality of lower heat-conducting fins are integrally fixed to the heat-radiating base.
Compared with the prior art, the utility model, have following advantage and effect: the utility model discloses a set up the metal casing body and strengthen consolidating, avoid the battery to warp, improve high temperature fire behavior through setting up ceramic fibre layer to immerse lithium cell group in the conduction oil, not only can improve the radiating effect, and can completely cut off the air, thereby improve explosion-proof ability.
Drawings
Fig. 1 is a schematic view of an internal structure of a multi-protection safety lithium battery according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram of an internal structure of a multi-protection safety lithium battery according to an embodiment of the present invention.
Fig. 3 is a schematic perspective view of a multi-protection safety lithium battery according to the second embodiment of the present invention.
Fig. 4 is an enlarged schematic structural diagram of a point a in fig. 2 according to a second embodiment of the present invention.
Numbering: the solar battery comprises a metal outer shell 1, a charging and discharging protection plate 21, a lithium battery pack 22, a plastic box 31, heat conducting oil 32, a ceramic fiber layer cover 33, a cover plate 34, a bottom opening 11, an extending edge 12, a sealing ring 13, a heat radiating plate 4, a heat radiating bulge 41, a supporting plate 42, a heat radiating base 5, an upper heat conducting fin 51, a lower heat conducting fin 52, a main shell 14 and a cover body 15
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Example one
Referring to fig. 1, this embodiment protects safety lithium cell more, including metal casing 1, charge and discharge protection board 21, by the lithium cell group 22 that a plurality of monomer lithium cell electric core and the support that is used for fixed monomer lithium cell electric core are constituteed, lithium cell group 22 sets up in metal casing 1, lithium cell group 22 is connected to and fills charge and discharge protection board 21, and lithium cell group 22 is arranged in plastic case 31 in, is provided with conduction oil 32 in the plastic case 31, and the parcel has ceramic fiber layer to cover 33 on the plastic case 31, and the upper end of plastic case 31 covers there is apron 34, and the upper surface of apron 34 is fixed charge and discharge protection board 21. The utility model discloses a set up metal casing body 1 and strengthen consolidating, avoid the battery to warp, improve high temperature fire behavior through setting up ceramic fibre layer to immerse lithium cell group 22 in conduction oil 32, not only can improve the radiating effect, and can isolated air, thereby improve explosion-proof ability. The metal outer casing 1 includes a main casing 14 and a cover 15, and the upper end of the main casing 14 is covered and fixed with the cover 15.
Example two
Referring to fig. 2 to 4, the multi-protection safety lithium battery of the embodiment includes a metal shell 1, a charge and discharge protection plate 21, and a lithium battery pack 22 including a plurality of single lithium battery cells and a bracket for fixing the single lithium battery cells, where the lithium battery pack 22 is disposed in the metal shell 1, the lithium battery pack 22 is connected to the charge and discharge protection plate 21, the lithium battery pack 22 is disposed in a plastic box 31, a heat conducting oil 32 is disposed in the plastic box 31, a ceramic fiber layer 33 is wrapped on the plastic box 31, an upper end of the plastic box 31 is covered with a cover plate 34, and the charge and discharge protection plate 21 is fixed on an upper surface of the cover plate. The utility model discloses a set up metal casing body 1 and strengthen consolidating, avoid the battery to warp, improve high temperature fire behavior through setting up ceramic fibre layer to immerse lithium cell group 22 in conduction oil 32, not only can improve the radiating effect, and can isolated air, thereby improve explosion-proof ability. The metal outer casing 1 includes a main casing 14 and a cover 15, and the upper end of the main casing 14 is covered and fixed with the cover 15.
The bottom of the heat dissipation protrusion 41 is formed with an upwardly concave pit, the heat dissipation plate 4 is supported on the heat dissipation base 5, the plurality of upper heat conduction fins 51 are arranged at intervals and fixed on the upper end surface of the heat dissipation base 5, the plurality of lower heat conduction fins 52 are arranged at intervals and fixed on the lower end surface of the heat dissipation base 5, and the upper heat conduction fins 51 are inserted into the pits in a one-to-one correspondence manner. With this configuration, the heat of the heat radiating plate 4 is conducted to the lower heat conducting fins 52 by the upper heat conducting fins 51, and the heat radiating effect is greatly improved by the large contact surface between the lower heat conducting fins 52 and the air. And heat-conducting silica gel is arranged between the outer wall of the pit and the outer wall of the upper heat-conducting fin 51. The upper heat-conducting fins 51 and the plurality of lower heat-conducting fins 52 are integrally fixed to the heat-dissipating base 5.
The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a many protection safety lithium cell, includes metal casing body, charge-discharge protection shield, by a plurality of monomer lithium cell electricity core and be used for the lithium cell group that the support of fixed monomer lithium cell electricity core constitutes, lithium cell group sets up in the metal casing body, lithium cell group is connected to and fills charge-discharge protection shield, its characterized in that: the lithium battery pack is arranged in the plastic box, heat conducting oil is arranged in the plastic box, the plastic box is wrapped with a ceramic fiber layer, the upper end of the plastic box is covered with a cover plate, and the upper surface of the cover plate is fixed with the charge and discharge protection plate.
2. The multiple protection safety lithium battery of claim 1, wherein: the bottom opening has been seted up to metal casing body's bottom, and metal casing body's bottom is fixed with the extension limit that sets up along the bottom opening periphery, the bottom on extension limit covers there is the round sealing washer, and the below of sealing washer is fixed with the heating panel, the heating panel is provided with the heat dissipation arch of upwards caving, and the bellied upper end of heat dissipation is fixed with the backup pad, and the heating panel passes through the screw fixation and extends the edge, and the sealing washer is pressed from both sides tightly to be fixed between heating panel and the.
3. The multiple protection safety lithium battery of claim 2, wherein: the heat dissipation bulge is provided with a concave pit which is sunken upwards at the bottom, the heat dissipation plate is supported on the heat dissipation base, a plurality of upper heat conduction fins are arranged at intervals and fixed on the upper end surface of the heat dissipation base, a plurality of lower heat conduction fins are arranged at intervals and fixed on the lower end surface of the heat dissipation base, and the upper heat conduction fins are inserted into the concave pit in a one-to-one correspondence manner.
4. The multiple protection safety lithium battery of claim 1, wherein: the metal shell body comprises a main shell body and a cover body, and the upper end of the main shell body is covered and fixed with the cover body.
5. The multiple protection safety lithium battery of claim 3, wherein: and heat-conducting silica gel is arranged between the outer wall of the pit and the outer wall of the upper heat-conducting fin.
6. The multiple protection safety lithium battery of claim 3, wherein: the upper heat conduction fins and the lower heat conduction fins are integrally fixed on the heat dissipation base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202554.0U CN211017180U (en) | 2019-12-10 | 2019-12-10 | Multi-protection safety lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202554.0U CN211017180U (en) | 2019-12-10 | 2019-12-10 | Multi-protection safety lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211017180U true CN211017180U (en) | 2020-07-14 |
Family
ID=71508275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922202554.0U Expired - Fee Related CN211017180U (en) | 2019-12-10 | 2019-12-10 | Multi-protection safety lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211017180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659271A (en) * | 2021-08-20 | 2021-11-16 | 张更生 | Protective cover of electric vehicle battery jar |
-
2019
- 2019-12-10 CN CN201922202554.0U patent/CN211017180U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659271A (en) * | 2021-08-20 | 2021-11-16 | 张更生 | Protective cover of electric vehicle battery jar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 |