CN222705602U - A lithium battery shell convenient for heat dissipation - Google Patents
A lithium battery shell convenient for heat dissipation Download PDFInfo
- Publication number
- CN222705602U CN222705602U CN202420750350.9U CN202420750350U CN222705602U CN 222705602 U CN222705602 U CN 222705602U CN 202420750350 U CN202420750350 U CN 202420750350U CN 222705602 U CN222705602 U CN 222705602U
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- CN
- China
- Prior art keywords
- shell
- heat
- heat radiating
- lithium battery
- conducting piece
- 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 36
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 230000017525 heat dissipation Effects 0.000 title abstract description 31
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims 2
- 230000002441 reversible effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 101150006573 PAN1 gene Proteins 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
Landscapes
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to a lithium battery shell convenient for heat dissipation, which comprises a shell, wherein an accommodating cavity is arranged in the shell, an electric core is arranged in the accommodating cavity, a heat conducting piece is arranged on the surface of the shell, a plurality of heat radiating fins are arranged at one end of the heat conducting piece far away from the shell, the heat radiating fins are equidistantly arranged on the surface of the heat conducting piece and are perpendicular to the surface of the heat conducting piece, fin fixing brackets are arranged at two sides of the shell, a fixing middle plate parallel to the surface of the heat conducting piece is arranged in the fin fixing brackets, the fixing middle plate separates the fixing brackets into a first heat radiating layer and a second heat radiating layer, a plurality of limit through grooves are formed in the surface of the fixing middle plate, the limit through grooves are respectively aligned with the heat radiating fins, one end of the heat radiating fins far away from the heat conducting piece penetrates through the limit through grooves and extends into the second heat radiating layer, and when collision happens, the fin fixing brackets can protect the heat radiating fins from directly contacting other objects, and deformation of the heat radiating fins is avoided.
Description
Technical Field
The utility model relates to the field of lithium battery shells, in particular to a lithium battery shell convenient for heat dissipation.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The working principle is based on the intercalation and deintercalation process of lithium ions, and lithium ions are intercalated and deintercalated back and forth between the anode and the cathode during charge and discharge, and the lithium ion battery is vividly called as a rocking chair battery. The lithium battery has the advantages of high energy density, portability, low self-discharge rate, quick charge and the like, so that the lithium battery becomes an ideal choice for mobile equipment, electric vehicles and energy storage power supply systems. Meanwhile, the lithium battery is widely applied to the fields of traffic power supply, electric energy storage power supply, mobile communication power supply, new energy storage power supply, aerospace special power supply and the like.
The lithium battery shell is an important component for protecting the internal circuit and the battery core of the lithium battery and has multiple functions. Firstly, the shell can protect the battery cell in an airtight and sealed manner, and prevent external substances such as air, moisture and the like from damaging the battery cell. Meanwhile, the shell can also provide mechanical support for the battery cell, and plays a role in protecting the battery cell. And secondly, the lithium battery shell can play a certain role in isolating the battery core. When the battery cell is short-circuited or overcharged, the shell can effectively isolate the area where the short circuit occurs, and overheating, ignition and explosion of the battery cell are avoided.
The lithium battery shell is usually composed of plastic, the plastic shell is light and low in cost, but poor in heat conductivity, a metal heat conducting plate is often arranged on the surface of the existing lithium battery shell, two ends of the metal heat conducting plate are respectively in contact with the inside of the lithium battery shell and the outside air, so that heat in the lithium battery shell is dissipated into the outside air through the metal heat conducting plate, in order to improve heat dissipation efficiency, a plurality of heat dissipation fins are arranged on the surface of the metal heat conducting plate, and due to the fact that the heat dissipation fins are thinner in structure, after collision occurs in the using process, the heat dissipation fins are easy to deform, and heat dissipation efficiency is reduced.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model provides the lithium battery shell convenient for heat dissipation, which can effectively solve the technical problem that the heat dissipation fins are easy to deform.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a lithium battery shell convenient to heat dissipation, includes the casing, is provided with in the casing and holds the chamber, holds and is provided with the electric core in the chamber, the surface of casing is provided with the heat conduction spare, the one end that the casing was kept away from to the heat conduction spare is provided with a plurality of heat radiation fins, a plurality of heat radiation fins equidistance set up in the surface of heat conduction spare, heat radiation fins is perpendicular with the surface of heat conduction spare, the both sides of casing are provided with the fin fixed bolster, be provided with the fixed medium plate parallel with the heat conduction spare surface in the fin fixed bolster, the fixed medium plate separates first heat dissipation layer and second heat dissipation layer with the fixed medium plate, the surface of fixed medium plate is provided with a plurality of spacing logical grooves, a plurality of spacing logical grooves align with a plurality of heat radiation fins respectively, heat radiation fins keep away from the one end that the heat conduction spare and pass spacing logical groove to extend to in the second heat dissipation layer.
Further, the surface of the fin fixing support is provided with a ventilation opening, and the ventilation opening is arranged in the middle of one end, far away from the shell, of the fixing support.
Further, one end of the fin fixing support is provided with more than three air suction fans, and the more than three air suction fans are uniformly oriented and distributed at equal intervals.
Further, the suction fan is connected with the fin fixing support through the fan support, a fixing connecting plate is arranged at the edge of the fan support, and the fixing connecting plate is connected with the fin fixing support through a bolt.
Further, the shell comprises a bottom shell and an upper cover, the battery cell is arranged in the bottom shell, a main control circuit board and an electrode column are arranged in the upper cover, the electrode column extends to the surface of the upper cover, and the electrode column and the battery cell are electrically connected with the main control circuit board.
Further, the surface of upper cover is provided with and accomodates the groove, accomodates the inslot and is provided with the handle that can overturn, and the handle is connected with accomodating the groove through horizontal pivot.
Further, the lower extreme of drain pan is provided with the shock-absorbing mount, is provided with a plurality of buffering cavities in the shock-absorbing mount.
Further, the shell surface is provided with the constant head tank, and the one end that the heat-conducting piece is close to the casing is provided with the location boss, and the location boss can insert in the constant head tank, and the edge of heat-conducting piece is connected with the casing through the bolt.
Compared with the prior art, the heat dissipation device has the beneficial effects that the fin fixing bracket is arranged, the fixing middle plate parallel to the surface of the heat conduction piece is arranged in the fin fixing bracket, the surface of the fixing middle plate is provided with the limiting through grooves, when the fin fixing bracket is arranged on the side wall of the shell, one end of the heat dissipation fin far away from the heat conduction piece sequentially penetrates through the second heat dissipation layer and the limiting through grooves and extends into the second heat dissipation layer, so that the surface of the heat dissipation fin is limited by the fixing middle plate, and when collision occurs, the fin fixing bracket can protect the heat dissipation fin from being directly contacted with other objects, so that the heat dissipation fin is prevented from deforming, and meanwhile, the heat dissipation fin pieces are mutually connected and supported through the fixing middle plate, so that the structure of the heat dissipation fin is more stable.
Drawings
Fig. 1 is a schematic structural view of a lithium battery case with heat dissipation convenience according to the present utility model;
Fig. 2 is a schematic structural view of a heat conducting member and a bottom case in a lithium battery case for facilitating heat dissipation according to the present utility model;
Fig. 3 is a schematic diagram of a front view of a heat conducting member and a fin fixing bracket in a lithium battery case for facilitating heat dissipation according to the present utility model;
Fig. 4 is a schematic rear view of a heat conducting member and a fin fixing bracket in a lithium battery case for facilitating heat dissipation according to the present utility model;
The reference numbers in the figure are 1-bottom shell, 2-upper cover, 3-containing cavity, 4-heat conducting piece, 5-positioning boss, 6-positioning groove, 7-heat radiating fin, 8-fin fixing bracket, 9-fixing middle plate, 10-limit through groove, 11-ventilation opening, 12-air suction fan, 13-fan bracket, 14-containing groove, 15-handle, 16-electrode column, 17-shock absorbing base and 18-buffer cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
A lithium battery case for facilitating heat dissipation according to the present utility model will be described in detail with reference to fig. 1 to 4, as follows:
The utility model provides a lithium battery shell convenient to heat dissipation, including the casing, be provided with in the casing and hold chamber 3, hold and be provided with the electric core in the chamber 3, the surface of casing is provided with heat conduction spare 4, the casing surface is provided with constant head tank 6, the one end that heat conduction spare 4 is close to the casing is provided with location boss 5, location boss 5 can insert in the constant head tank 6, the edge of heat conduction spare 4 is connected with the casing through the bolt, the one end that heat conduction spare 4 kept away from the casing is provided with a plurality of radiator fins 7, a plurality of radiator fins 7 equidistance sets up in the surface of heat conduction spare 4, radiator fins 7 are perpendicular with the surface of heat conduction spare 4, the both sides of casing are provided with fin fixed bolster 8, be provided with the fixed medium plate 9 parallel with heat conduction spare 4 surface in the fin fixed bolster 8, the fixed medium plate 9 separates out first radiator layer and second radiator layer with the fixed medium plate, the surface of fixed medium plate 9 is provided with a plurality of spacing through-slots 10, a plurality of spacing through-slots 10 align with a plurality of radiator fins 7 respectively, radiator fins 7 keep away from the one end of heat conduction spare 4 and pass spacing through-slot 10 to extend to in the second layer, the surface of fin fixed bolster 8 is provided with fin fixed bolster 11, the opening 11 is more in the fixed bolster is kept away from radiator fins 8, can let the fixed fin 8 take a breath air flow into the fixed support 8, can take a breath the fixed fin 8, can be avoided the fixed fin 8 to take a breath the air.
The lithium battery shell convenient for heat dissipation is provided with a fin fixing bracket 8, a fixing middle plate 9 parallel to the surface of a heat conducting piece 4 is arranged in the fin fixing bracket 8, a plurality of limiting through grooves 10 are formed in the surface of the fixing middle plate 9, when the fin fixing bracket 8 is arranged on the side wall of a shell, one end, far away from the heat conducting piece 4, of each heat radiating fin 7 sequentially penetrates through a second heat radiating layer and the limiting through grooves 10 and extends into the second heat radiating layer, the surface of each heat radiating fin 7 is limited by the fixing middle plate 9, when the heat radiating fins 7 collide, the fin fixing bracket 8 can protect the heat radiating fins 7 from being in direct contact with other objects, deformation of the heat radiating fins 7 is avoided, and meanwhile, the heat radiating fins 7 are supported through the mutual connection of the fixing middle plate 9, so that the structure of the heat radiating fins 7 is firmer.
The one end of fin fixed bolster 8 is provided with the more than three suction fans 12, and the orientation of more than three suction fans 12 is unanimous, and equidistant distribution, suction fans 12 are connected with fin fixed bolster 8 through fan support 13, and the edge of fan support 13 is provided with the fixed connection board, and the fixed connection board passes through the bolt to be connected with fin fixed bolster 8, and suction fans 12 can improve the air velocity of flow between the heat radiation fins 7, improves the heat exchange efficiency between heat radiation fins 7 and the air.
The casing includes drain pan 1 and upper cover 2, and the electricity core sets up in drain pan 1, is provided with main control circuit board and electrode post 16 in the upper cover 2, and electrode post 16 extends to the surface of upper cover 2, electrode post 16 and electric core all with main control circuit board electric connection, the surface of upper cover 2 is provided with accomodates groove 14, is provided with the handle 15 that can overturn in accomodating groove 14, and handle 15 is connected with accomodating groove 14 through horizontal pivot, is convenient for take out the lithium cell from the battery compartment of equipment, the lower extreme of drain pan 1 is provided with shock-absorbing base 17, is provided with a plurality of buffer cavities 18 in the shock-absorbing base 17, and when the lithium cell received the impact of bottom, buffer cavity 18 can take place to warp and absorb the impact force.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The lithium battery shell is characterized in that a heat conducting piece is arranged on the surface of the shell, a plurality of heat radiating fins are arranged at one end, far away from the shell, of the heat conducting piece, the heat radiating fins are equidistantly arranged on the surface of the heat conducting piece, the heat radiating fins are perpendicular to the surface of the heat conducting piece, fin fixing supports are arranged on two sides of the shell, a fixing middle plate parallel to the surface of the heat conducting piece is arranged in the fin fixing supports, the fixing middle plate separates the fixing support into a first heat radiating layer and a second heat radiating layer, a plurality of limiting through grooves are formed in the surface of the fixing middle plate and are respectively aligned with the heat radiating fins, and one end, far away from the heat conducting piece, of each heat radiating fin penetrates through the limiting through grooves and extends into the second heat radiating layer.
2. The lithium battery shell convenient to radiate heat according to claim 1, wherein the surface of the fin fixing support is provided with a ventilation opening, and the ventilation opening is arranged in the middle of one end, far away from the shell, of the fixing support.
3. The lithium battery shell convenient to radiate heat according to claim 1, wherein more than three air suction fans are arranged at one end of the fin fixing support, and the three air suction fans are uniform in orientation and distributed at equal intervals.
4. The lithium battery shell convenient to radiate heat according to claim 3, wherein the air suction fan is connected with the fin fixing support through a fan support, a fixing connecting plate is arranged at the edge of the fan support, and the fixing connecting plate is connected with the fin fixing support through a bolt.
5. The lithium battery shell convenient to dissipate heat according to any one of claims 1 to 4, wherein the shell comprises a bottom shell and an upper cover, the battery cell is arranged in the bottom shell, a main control circuit board and an electrode column are arranged in the upper cover, the electrode column extends to the surface of the upper cover, and the electrode column and the battery cell are electrically connected with the main control circuit board.
6. The lithium battery shell convenient to radiate according to claim 5, wherein the surface of the upper cover is provided with a containing groove, a reversible handle is arranged in the containing groove, and the handle is connected with the containing groove through a horizontal rotating shaft.
7. The lithium battery shell convenient to radiate according to claim 5, wherein a damping base is arranged at the lower end of the bottom shell, and a plurality of buffer cavities are arranged in the damping base.
8. The lithium battery shell convenient to dissipate heat according to any one of claims 1 to 4, wherein a positioning groove is formed in the surface of the shell, a positioning boss is arranged at one end, close to the shell, of the heat conducting piece, the positioning boss can be inserted into the positioning groove, and the edge of the heat conducting piece is connected with the shell through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420750350.9U CN222705602U (en) | 2024-04-11 | 2024-04-11 | A lithium battery shell convenient for heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420750350.9U CN222705602U (en) | 2024-04-11 | 2024-04-11 | A lithium battery shell convenient for heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222705602U true CN222705602U (en) | 2025-04-01 |
Family
ID=95139343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420750350.9U Active CN222705602U (en) | 2024-04-11 | 2024-04-11 | A lithium battery shell convenient for heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222705602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120300360A (en) * | 2025-06-11 | 2025-07-11 | 南京创源动力科技有限公司 | Battery pack |
-
2024
- 2024-04-11 CN CN202420750350.9U patent/CN222705602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120300360A (en) * | 2025-06-11 | 2025-07-11 | 南京创源动力科技有限公司 | Battery pack |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |