CN214099703U - Lithium battery heat conduction structure - Google Patents
Lithium battery heat conduction structure Download PDFInfo
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- CN214099703U CN214099703U CN202120072281.7U CN202120072281U CN214099703U CN 214099703 U CN214099703 U CN 214099703U CN 202120072281 U CN202120072281 U CN 202120072281U CN 214099703 U CN214099703 U CN 214099703U
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- 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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Abstract
The utility model discloses a lithium cell heat conduction structure, including lithium cell group, battery case, battery BMS board, in the lithium cell group piled up the formation and locates the battery case by a plurality of electric cores, on the lithium cell group was located to the battery BMS board, still included electric core heating panel, battery case radiator, the quantity and the electric core quantity phase-match of electric core heating panel, during the clearance of two adjacent electric cores was located to the electric core heating panel, battery case radiator located the battery case outside and the part was connected with electric core heating panel in stretching into the battery case. The battery core heat dissipation plate is arranged in the gap between two adjacent battery cores to transfer heat, and the battery core heat dissipation plate is made of metal and has better heat conductivity; the battery box radiator and the electric core radiating plate are matched to accelerate external transmission of heat items in the lithium battery pack, and a quick radiating effect is achieved, so that the lithium battery pack is protected from being influenced by working efficiency and self heat, and potential safety hazards caused by heat accumulation are avoided.
Description
Technical Field
The utility model relates to a battery heat dissipation field especially relates to a lithium cell heat conduction structure.
Background
With the deep implementation of the new national standard of the electric vehicle, the lithium ionization of the electric vehicle has become the latest product direction, but the safety problem exposed in the long-term development process of the lithium battery always hinders the application of the lithium battery. The inside temperature of current lithium cell unnormalized battery is balanced, and lithium cell electricity core generates heat inconsistent at the during operation single section electricity core, all can aggravate the ageing of electric core, influences safety even. The technical scheme of encapsulating is mostly adopted to prior art, is about to heat-conducting silica gel and pours into the inside heat conduction that realizes of battery case into, and the drawback of this kind of scheme is that the heat conductivility is not good, causes the heat gathering between electric core and the electric core easily, leads to the emergence accident. In view of the above problems, improvements are urgently needed.
Disclosure of Invention
The utility model discloses silica gel to heat conduction among the prior art pours into the inside scheme that realizes heat conduction of battery case into, and its heat conductivility is not good, causes the heat gathering between electric core and the electric core easily, leads to defects such as occurence of failure, provides a new lithium cell heat conduction structure.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides a lithium battery heat conduction structure, includes lithium cell group, battery case, battery BMS board, lithium cell group is piled up by a plurality of electric cores and is formed and locate in the battery case, battery BMS board is located on the lithium cell group, still include electric core heating panel, battery case radiator, the quantity of electric core heating panel with electric core quantity phase-match, the electric core heating panel is located in the clearance of two adjacent electric cores, battery case radiator locate in the battery case outside and part stretch into the battery case with electric core heating panel connects.
The battery core heat dissipation plate is arranged in the gap between two adjacent battery cores to transfer heat, and the battery core heat dissipation plate is made of metal and has better heat conductivity; the battery box radiator and the electric core radiating plate are matched to accelerate external transmission of heat items in the lithium battery pack, and a quick radiating effect is achieved, so that the lithium battery pack is protected from being influenced by working efficiency and self heat, and potential safety hazards caused by heat accumulation are avoided.
Preferably, the aforesaid a lithium cell heat conduction structure, still include the heat-conducting plate, the heat-conducting plate is "Contraband" type, the heat-conducting plate adopts half enclosed structure to surround the upside of lithium cell group, downside and with the corresponding one side of electricity core heating panel, the electricity core heating panel passes through the heat-conducting plate with the battery case radiator is connected.
The contact area of the Contraband-type heat-conducting plate and the lithium battery pack is larger, so that more heat can be absorbed, and the lithium battery pack can be rapidly cooled. The heat-conducting plate also can increase the area of contact with electric core heating panel simultaneously for the heat transfer rate of heat-conducting plate and electric core heating panel makes the utility model discloses better radiating effect has.
Preferably, in the above lithium battery heat conduction structure, the upper end of the heat conduction plate is connected to the heating element on the battery BMS board.
The heating components and parts on the battery BMS board are connected to the heat-conducting plate upper end, and the temperature that components and parts released when can effectual reduction battery BMS board work.
Preferably, in the above heat conduction structure for a lithium battery, the cell heat dissipation plate is L-shaped, the first end of the cell heat dissipation plate is located in the gap between two adjacent cells, and the second end of the cell heat dissipation plate is connected to the heat conduction plate.
The first end of electric core heating panel is used for absorbing the heat on the electric core, and the second end of electric core heating panel is used for the first end absorbed heat of fast transmission, further promotes the radiating effect.
Preferably, in the above heat conducting structure for a lithium battery, the length of the first end of the cell heat dissipation plate is adapted to the width of the cell.
When the width of the first end of electric core heating panel and electric core was fit for, the promotion electric core heating panel heat absorption performance that can the at utmost promotes utility model's heat dispersion.
Preferably, in the above heat conduction structure for a lithium battery, the length of the second end of the cell heat dissipation plate is adapted to the thickness of the cell.
When the thickness of the first end of electric core heating panel and electric core was fit for, promotion electric core heating panel heat transfer speed that can the at utmost promotes utility model's heat dispersion.
Preferably, the lithium battery heat conduction structure further comprises a fan, and the fan is connected with the battery box radiator.
The fan can accelerate the air flow, takes away the heat on the battery case radiator to a greater extent, promotes the radiating effect.
Preferably, the above lithium battery heat conduction structure further comprises a heating sheet, and the heating sheet is connected with the battery box radiator.
Set up the heating plate, when ambient temperature is low excessively, the lithium cell can't charge. The heating plate can heat the battery core to reach the working temperature, and then the battery core is charged, so that the problem of using the lithium battery in extremely cold regions is solved.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings 1-2 and the detailed description, which are not intended to limit the invention:
example 1
The utility model provides a lithium battery heat conduction structure, includes lithium cell group 2, battery case 3, battery BMS board 1, lithium cell group 2 is piled up by a plurality of electric cores and is formed and locate in the battery case 3, battery BMS board 1 is located on the lithium cell group 2, still include electric core heating panel 5, battery case radiator 4, the quantity of electric core heating panel 5 with electric core quantity phase-match, electric core heating panel 5 is located in the clearance of two adjacent electric cores, battery case radiator 4 locate the 3 outsides of battery case and part stretch into in the battery case 3 with electric core heating panel 5 connects.
Electric core heating panel 5 is as heat-conducting piece, and at the during operation of lithium cell group 2, the heat of release on the lithium cell group 2 is absorbed and transmitted to electric core heating panel 5, with heat conduction on battery case radiator 4, through the outside release of battery case radiator 4.
As preferred, still include heat-conducting plate 6, heat-conducting plate 6 is "Contraband" type, heat-conducting plate 6 adopts half enclosed structure to surround the upside of lithium cell group 2, downside and with the corresponding one side of electricity core heating panel 5, electricity core heating panel 5 passes through heat-conducting plate 6 with battery case radiator 4 is connected.
Preferably, the upper end of the heat conduction plate 6 is connected to the heat generating components on the battery BMS board 1.
Preferably, the cell heat dissipation plate 5 is L-shaped, a first end of the cell heat dissipation plate 5 is located in a gap between two adjacent cells, and a second end of the cell heat dissipation plate 5 is connected to the heat conduction plate 6.
Preferably, the length of the first end of the cell heat sink plate 5 is adapted to the width of the cell.
Preferably, the length of the second end of the cell heat sink plate 5 is adapted to the thickness of the cell.
Preferably, the battery pack heat radiator further comprises a fan, and the fan is connected with the battery pack heat radiator 4.
At lithium cell group 2 during operation, electricity core heating panel 5 absorbs the heat of electricity core, and heat-conducting plate 6 gives off the heat with the heat-generating components and parts on battery BMS board 1, the heat fast transfer of electricity core heating panel 5 to battery case radiator 4, gives off the heat, and the fan operation accelerates battery case radiator 4 radiating rate simultaneously.
Example 2
The utility model provides a lithium battery heat conduction structure, includes lithium cell group 2, battery case 3, battery BMS board 1, lithium cell group 2 is piled up by a plurality of electric cores and is formed and locate in the battery case 3, battery BMS board 1 is located on the lithium cell group 2, still include electric core heating panel 5, battery case radiator 4, the quantity of electric core heating panel 5 with electric core quantity phase-match, electric core heating panel 5 is located in the clearance of two adjacent electric cores, battery case radiator 4 locate the 3 outsides of battery case and part stretch into in the battery case 3 with electric core heating panel 5 connects.
As preferred, still include heat-conducting plate 6, heat-conducting plate 6 is "Contraband" type, heat-conducting plate 6 adopts half enclosed structure to surround the upside of lithium cell group 2, downside and with the corresponding one side of electricity core heating panel 5, electricity core heating panel 5 passes through heat-conducting plate 6 with battery case radiator 4 is connected.
Preferably, the upper end of the heat conduction plate 6 is connected to the heat generating components on the battery BMS board 1.
Preferably, the cell heat dissipation plate 5 is L-shaped, a first end of the cell heat dissipation plate 5 is located in a gap between two adjacent cells, and a second end of the cell heat dissipation plate 5 is connected to the heat conduction plate 6.
Preferably, the length of the first end of the cell heat sink plate 5 is adapted to the width of the cell.
Preferably, the battery pack heat radiator further comprises a fan, and the fan is connected with the battery pack heat radiator 4.
Preferably, the battery pack further comprises a heating sheet connected to the battery pack heat sink 4.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.
Claims (8)
1. The utility model provides a lithium cell heat conduction structure, includes lithium cell group (2), battery case (3), battery BMS board (1), lithium cell group (2) are piled up by a plurality of electric cores and are formed and locate in battery case (3), battery BMS board (1) is located on the lithium cell group (2), its characterized in that: still include electric core heating panel (5), battery case radiator (4), the quantity of electric core heating panel (5) with electric core quantity phase-match, electric core heating panel (5) are located in the clearance of two adjacent electric cores, battery case radiator (4) are located in battery case (3) outside and part stretch into in battery case (3) with electric core heating panel (5) are connected.
2. The heat conducting structure of a lithium battery as claimed in claim 1, wherein: still include heat-conducting plate (6), heat-conducting plate (6) are "Contraband" type, heat-conducting plate (6) adopt half enclosed structure to surround the upside of lithium cell group (2), downside and with the corresponding one side of electric core heating panel (5), electric core heating panel (5) pass through heat-conducting plate (6) with battery case radiator (4) are connected.
3. The heat conducting structure of a lithium battery as claimed in claim 2, wherein: the upper end of the heat conducting plate (6) is connected with a heating element on the battery BMS plate (1).
4. The heat conducting structure of a lithium battery as claimed in claim 2, wherein: the battery cell heat dissipation plate (5) is L-shaped, the first end of the battery cell heat dissipation plate (5) is located in the gap between two adjacent battery cells, and the second end of the battery cell heat dissipation plate (5) is connected with the heat conduction plate (6).
5. The heat conducting structure of a lithium battery as claimed in claim 4, wherein: the length of the first end of the battery cell heat dissipation plate (5) is matched with the width of the battery cell.
6. The heat conducting structure of a lithium battery as claimed in claim 4, wherein: the length of the second end of the battery cell heat dissipation plate (5) is matched with the thickness of the battery cell.
7. The heat conducting structure of a lithium battery as claimed in claim 2, wherein: the battery box heat radiator is characterized by further comprising a fan, and the fan is connected with the battery box heat radiator (4).
8. The heat conducting structure of a lithium battery as claimed in claim 2, wherein: still include the heating plate, the heating plate with battery case radiator (4) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120072281.7U CN214099703U (en) | 2021-01-12 | 2021-01-12 | Lithium battery heat conduction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120072281.7U CN214099703U (en) | 2021-01-12 | 2021-01-12 | Lithium battery heat conduction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214099703U true CN214099703U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120072281.7U Active CN214099703U (en) | 2021-01-12 | 2021-01-12 | Lithium battery heat conduction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214099703U (en) |
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2021
- 2021-01-12 CN CN202120072281.7U patent/CN214099703U/en active Active
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