CN209912996U - Radiation heat dissipation module and battery pack structure - Google Patents
Radiation heat dissipation module and battery pack structure Download PDFInfo
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- CN209912996U CN209912996U CN201822229670.7U CN201822229670U CN209912996U CN 209912996 U CN209912996 U CN 209912996U CN 201822229670 U CN201822229670 U CN 201822229670U CN 209912996 U CN209912996 U CN 209912996U
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- heat dissipation
- radiation heat
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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 radiation heat dissipation module and battery package structure, radiation heat dissipation module includes electric core, place the heat conduction aluminum sheet between the electric core, an electric core is hugged closely respectively to heat conduction aluminum sheet both sides, the outside hem of heat conduction aluminum sheet, the spraying radiation heat dissipation coating film on the hem, after the module is gone into the case, at the outside spraying radiation heat dissipation coating film of box, the heat distributes away through the radiation heat dissipation coating film outside the box in the messenger box. The utility model discloses can just can satisfy the temperature requirement of battery package operation through radiation heat dissipation's mode, the characteristic that radiation heat dissipation coating film has the opening temperature simultaneously can satisfy the heat preservation heating demand of battery package. The method can reduce the cost and the weight of the battery pack to a great extent, simultaneously reduce the hidden danger caused by other cooling modes to the maximum extent, and improve the production efficiency during mass production.
Description
Technical Field
The utility model relates to a lithium ion battery heat dissipation technical field specifically is a radiation heat dissipation module and battery package structure.
Background
With the increasing energy density of batteries and the increasing of the quick charging technology of batteries, the heat productivity of batteries is also increasing synchronously, and the original battery heat dissipation technology can not meet the current heat dissipation requirements more and more, so that the development of new battery heat dissipation technology and heat dissipation materials is urgently needed.
The current battery heat dissipation technology mainly takes natural heat dissipation, liquid cooling heat dissipation and direct cooling heat dissipation as main points. The modes have the advantages and the disadvantages of the modes, the natural heat dissipation effect is poor, but the cost and the weight are not increased; liquid cooling heat dissipation is a heat dissipation mode which is widely applied at present, has a good heat dissipation effect, but has heavy weight and high cost, and has the risk of liquid leakage; the heat dissipation effect of direct cooling heat dissipation is better than the former two, but the heat management strategy is not well controlled, and the leakage risk exists, and the weight and the cost are higher. Based on the three heat dissipation modes, natural heat dissipation cannot meet the heat dissipation requirement in the subsequent development more and more; liquid cooling heat dissipation and direct cooling heat dissipation are similar, and the heat of electric core is conducted to the cold plate through the heat conduction material, and then brought out through the cooling medium in the cold plate, and the heat is dissipated outside the battery pack through the radiator, and the two methods are all heat dissipation through heat conduction and heat convection. In the background of the prior art, there is no major breakthrough, and therefore, different heat dissipation methods need to be found.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radiation heat dissipation module and battery package structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a radiation heat dissipation module, includes electric core, place heat conduction aluminum sheet between the electric core, an electric core is hugged closely respectively to heat conduction aluminum sheet both sides, the outside hem of heat conduction aluminum sheet, spraying radiation heat dissipation coating film on the hem.
As a further proposal of the utility model, the cell top end is hugged closely to the hem.
As a further proposal of the utility model, the size of the heat conduction aluminum sheet is the same with the electric core.
As a further aspect of the present invention, the length of the hem is less than the length of the battery cell, and the distance between the two ends of the hem is equal.
As a further proposal of the utility model, at least one side of the heat-conducting aluminum sheet or the folded edge is sprayed with a radiation heat-dissipation coating film.
As a further proposal of the utility model, the temperature threshold of the radiation heat dissipation material adopted by the radiation heat dissipation coating film is 20-45 ℃.
The battery pack comprises the radiation heat dissipation module, the radiation heat dissipation module is arranged in the box body, and the surface of the outer side of the box body is sprayed with a radiation heat dissipation coating
As a further proposal of the utility model, the box body comprises a lower box body and a box cover, the box cover covers the lower box body, and the box cover is coated with a radiation heat-dissipation coating film.
As a further proposal of the utility model, the temperature threshold of the radiation heat dissipation material adopted by the radiation heat dissipation coating film is 20-45 ℃.
The utility model discloses a method of reinforcing heat radiation dispels the heat. When electric core was in groups, place heat conduction aluminum sheet between per two electric cores, the while spraying radiation heat dissipation coating film strengthened radiation heat dissipation on heat conduction aluminum sheet hem, and after the module was in groups, the heat just can distribute away from the module is inside through heat conduction aluminum sheet's radiation heat dissipation coating film.
After the module is put into the box, a radiation heat-dissipation coating film is sprayed on the outer part of the box body, so that heat in the box body is dissipated through the radiation heat-dissipation coating film outside the box body.
The radiation heat-dissipation coating has the following characteristics: can be used in a vacuum environment; the paint has good self-cleaning property, insulativity, corrosion resistance, waterproofness, acid and alkali resistance; the synergistic effect among blocking, reflection and radiation can be fully exerted; has high reflectivity to visible light and infrared light, high thermal infrared emissivity and high stability. Can achieve the purpose of high-efficiency radiation cooling and heat insulation. In addition, the material has a radiation starting temperature value, when the temperature in the battery pack is lower than the starting temperature, the material cannot radiate heat outwards, and only when the temperature in the battery pack is higher than the starting temperature, the material can radiate heat outwards.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can just can satisfy the temperature requirement of battery package operation through radiation heat dissipation's mode, the characteristic that radiation heat dissipation coating film has the opening temperature simultaneously can satisfy the heat preservation heating demand of battery package. The method can reduce the cost and the weight of the battery pack to a great extent, simultaneously reduce the hidden danger caused by other cooling modes to the maximum extent, and improve the production efficiency during mass production.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the structure of the radiation heat dissipation module of the present invention.
Fig. 2 is a schematic diagram of a battery pack structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, a radiation heat dissipation module includes electric core 3, place heat conduction aluminum sheet 1 between electric core 3, an electric core 3 is hugged closely respectively to heat conduction aluminum sheet 1 both sides, heat conduction aluminum sheet 1 outwards hem, the hem spraying radiation heat dissipation coating film.
The size of heat conduction aluminum sheet 1 is the same as that of electric core 3, the electric core top is hugged closely to the hem, the length of hem is less than the length of electric core, the distance of hem length both ends indentation equals, not only can satisfy radiating requirement, and does not influence the packing of box, can also save certain cost.
The radiation heat dissipation material adopted by the radiation heat dissipation coating has a radiation starting temperature value, the temperature starting threshold value is recommended to be 27 +/-1 ℃, but the temperature range is not limited to, and can be expanded to 20-45 ℃, when the temperature in the battery pack is lower than the starting temperature, heat cannot be radiated outwards, and only when the temperature in the pack is higher than the starting temperature, the heat can be radiated outwards.
And at least one side of the heat-conducting aluminum sheet or the folded edge is sprayed with a radiation heat-dissipation coating, and the spraying area can be the surface of the whole heat-conducting aluminum sheet or can be sprayed in a specific area according to the actual temperature distribution condition.
As shown in fig. 2, the battery pack comprises the radiation heat dissipation module, the radiation heat dissipation module is arranged in a box body 2, a radiation heat dissipation coating is sprayed on the outer surface of the box body, the box body 2 comprises a lower box body and a box cover, the box cover covers the lower box body, and the radiation heat dissipation coating is sprayed on the box cover; the radiation heat dissipation material adopted by the radiation heat dissipation coating has a radiation starting temperature value, the temperature starting threshold value is recommended to be 27 +/-1 ℃, but the temperature range is not limited to, and can be expanded to 20-45 ℃, when the temperature in the battery pack is lower than the starting temperature, heat cannot be radiated outwards, and only when the temperature in the pack is higher than the starting temperature, the heat can be radiated outwards.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. The utility model provides a radiation heat dissipation module, its characterized in that, includes electric core, place heat conduction aluminum sheet between the electric core, an electric core is hugged closely respectively to heat conduction aluminum sheet both sides, the outside hem of heat conduction aluminum sheet, spraying radiation heat dissipation coating film on the hem.
2. The radiation heat dissipation module defined in claim 1, wherein the flange is attached to the top end of the cell.
3. The radiant heat module of claim 2 wherein the thermally conductive aluminum sheet is the same size as the cells.
4. The radiation heat dissipation module defined in claim 1, wherein the length of the folded edge is less than the length of the cell, and the two ends of the folded edge are retracted by the same distance.
5. The radiant heat module as claimed in claim 1, wherein at least one side of the heat conductive aluminum sheet or the flange is coated with a radiant heat coating.
6. The radiation heat sink module defined in any one of claims 1-5, wherein the radiation heat-dissipating coating comprises a radiation heat-dissipating material having a temperature threshold of 20-45 ℃.
7. A battery pack comprising the radiation heat dissipation module according to claim 1, wherein the radiation heat dissipation module is disposed in a case, and a radiation heat dissipation coating is sprayed on the outer surface of the case.
8. The battery pack according to claim 7, wherein the case comprises a lower case and a cover, the cover is covered on the lower case, and the cover is coated with a radiation heat-dissipation coating.
9. The battery pack according to claim 7 or 8, wherein the radiation heat-dissipating coating film uses a radiation heat-dissipating material having a temperature threshold of 20 to 45 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822229670.7U CN209912996U (en) | 2018-12-28 | 2018-12-28 | Radiation heat dissipation module and battery pack structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822229670.7U CN209912996U (en) | 2018-12-28 | 2018-12-28 | Radiation heat dissipation module and battery pack structure |
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| Publication Number | Publication Date |
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| CN209912996U true CN209912996U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822229670.7U Active CN209912996U (en) | 2018-12-28 | 2018-12-28 | Radiation heat dissipation module and battery pack structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824559A (en) * | 2022-04-27 | 2022-07-29 | 上海兰钧新能源科技有限公司 | Lithium battery and preparation process thereof |
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2018
- 2018-12-28 CN CN201822229670.7U patent/CN209912996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824559A (en) * | 2022-04-27 | 2022-07-29 | 上海兰钧新能源科技有限公司 | Lithium battery and preparation process thereof |
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Effective date of registration: 20230426 Granted publication date: 20200107 |
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