CN211555961U - Battery structure - Google Patents
Battery structure Download PDFInfo
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- CN211555961U CN211555961U CN201922114971.XU CN201922114971U CN211555961U CN 211555961 U CN211555961 U CN 211555961U CN 201922114971 U CN201922114971 U CN 201922114971U CN 211555961 U CN211555961 U CN 211555961U
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- heat
- conducting plate
- thermally conductive
- side portion
- buffer layer
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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
A battery structure comprises a shell, a battery cell module and a heat dissipation structure, wherein the battery cell module and the heat dissipation structure are accommodated in the shell, and the heat dissipation structure comprises a first heat conduction plate; a second heat-conducting plate in contact with the first heat-conducting plate; the buffer layer is arranged between the first heat conduction plate and the second heat conduction plate; the heat dissipation structure is arranged in a gap between the battery cell module and the shell, and abuts against the battery cell module and the shell through the buffer layer, so that the battery cell module is fixed in the shell while heat dissipation is achieved.
Description
Technical Field
The present application relates to a battery structure.
Background
The battery has the advantages of large specific energy, high working voltage, low self-discharge rate, small volume, light weight and the like, and is widely applied to daily life. In practical application, due to the limitation of the shape of the battery shell (such as abnormal shape), the battery cell module is often installed in the battery shell and irregular gaps can exist between the battery shell, and the gaps affect the heat dissipation of the battery cell module and the fixation of the battery cell module.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for a battery structure that solves the above problems.
The utility model provides a battery structure, includes casing, electric core module and heat radiation structure, electric core module reaches heat radiation structure accept in the casing, heat radiation structure includes:
a first heat-conducting plate;
a second heat-conducting plate in contact with the first heat-conducting plate; and
the buffer layer is arranged between the first heat conduction plate and the second heat conduction plate;
the heat dissipation structure is arranged in a gap between the battery cell module and the shell, and abuts against the battery cell module and the shell through the buffer layer, so that the battery cell module is fixed in the shell.
Furthermore, the first heat-conducting plate deviates from the surface of the second heat-conducting plate and/or the surface of the second heat-conducting plate deviating from the first heat-conducting plate is provided with a groove.
Further, the battery structure further comprises heat-conducting glue, and the heat-conducting glue is arranged in the groove.
Furthermore, each groove is formed from a first end of the first heat-conducting plate to a second end opposite to the first end, or from a third end of the second heat-conducting plate to a fourth end opposite to the third end; each trench extends through either the first end or the third end.
Furthermore, the end part of the first heat-conducting plate, which deviates from one side of the buffer layer, and the end part of the second heat-conducting plate, which deviates from one side of the buffer layer, are respectively provided with a chamfer.
Furthermore, a first accommodating groove is formed in the surface, facing the second heat conducting plate, of the first heat conducting plate, and the buffer layer is arranged in the first accommodating groove.
Furthermore, a second accommodating groove is formed in the surface, facing the first heat conducting plate, of the second heat conducting plate, and the buffer layer is arranged in the first accommodating groove and the second accommodating groove.
Further, the first heat-conducting plate includes a first body, a first side portion and a second side portion opposite to the first side portion, the first body, the first side portion and the second side portion are surrounded to form the first accommodating groove, and the second heat-conducting plate is disposed corresponding to the first accommodating groove and contacts with the first side portion and the second side portion.
Further, the first heat conducting plate comprises a first body, a first side part and a second side part opposite to the first side part, and the first body, the first side part and the second side part are arranged in an enclosing manner to form the first accommodating groove; the second heat conducting plate comprises a second body, a third side part and a fourth side part opposite to the second side part, and the second body, the third side part and the fourth side part are arranged in a surrounding manner to form the second accommodating groove; the first side part is positioned in the second containing groove and is contacted with the third side part, and the fourth side part is positioned in the first containing groove and is contacted with the second side part.
Further, the first heat conducting plate and/or the second heat conducting plate are elastic heat conducting materials.
The battery structure of this application, through heat radiation structure support hold in the casing with between the electric core module, it is right to realize when the electric core module carries out the heat dissipation can also with the electric core module is fixed in the casing.
Drawings
Fig. 1 is a schematic structural diagram of a battery structure according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a heat dissipation structure according to a first embodiment of the present application.
Fig. 3 is a schematic cross-sectional view of the heat dissipation structure shown in fig. 2.
Fig. 4 is a schematic cross-sectional view illustrating a heat dissipation structure according to a second embodiment of the present application.
Fig. 5 is a schematic cross-sectional view illustrating a heat dissipation structure according to a third embodiment of the present application.
Fig. 6 is a schematic cross-sectional view illustrating a heat dissipation structure according to a fourth embodiment of the present application.
Fig. 7 is a schematic cross-sectional view illustrating a heat dissipation structure according to a fifth embodiment of the present application.
Fig. 8 is a schematic structural diagram of a heat dissipation structure according to a fifth embodiment of the present application.
Fig. 9 is a schematic cross-sectional view illustrating a heat dissipation structure according to a sixth embodiment of the present application.
Description of the main elements
First heat-conducting plate 31
Second heat-conducting plate 33
Heat-conducting glue 37
First receiving groove 319
Second receiving groove 339
The following detailed description will further illustrate the present application in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1 to 9, a battery structure 100 includes a casing 10, a cell module 20, and a heat dissipation structure 30. The battery cell module 20 and the heat dissipation structure 30 are accommodated in the casing 10.
The heat dissipation structure 30 includes a first heat conduction plate 31, a second heat conduction plate 33, and a buffer layer 35. The second heat conduction plate 33 is in contact with the first heat conduction plate 31, thereby achieving heat conduction. The buffer layer 35 is disposed between the first heat-conducting plate 31 and the second heat-conducting plate 33.
The heat dissipation structure 30 is disposed in a gap between the cell module 20 and the casing 10, and abuts against the cell module 20 and the casing 10 through the buffer layer 35, so that the cell module 20 is fixed in the casing 10, and the first heat conduction plate 31 and the second heat conduction plate 33 dissipate heat of the cell module 20, and transfer the heat to the casing 10 and then dissipate the heat outwards.
In the present embodiment, the first heat-conducting plate 31 and the second heat-conducting plate 33 may be metal plates, such as aluminum plates and copper plates. In other embodiments, the first heat conducting plate 31 and the second heat conducting plate 33 can also be made of other heat conducting materials, such as elastic heat conducting materials like heat conducting polymer materials.
The buffer layer 35 has elasticity, i.e., can be deformed under the action of an external force and can be restored to the original shape after the external force is removed. In the present embodiment, the cushion layer 35 is made of rubber. Preferably, the buffer layer 35 is made of a heat conductive rubber material.
In this embodiment, the first heat-conducting plate 31 is in contact with the casing 10, and the second heat-conducting plate 33 is in contact with the cell module 20. In some embodiments, the first heat-conducting plate may be in contact with the cell module 20, and the second heat-conducting plate 33 may be in contact with the casing 10.
The battery structure 100 of the present application will be further described below by way of examples.
First embodiment
Referring to fig. 1, a first groove 311 is formed on a surface of the first heat conducting plate 31 away from the second heat conducting plate 33, and/or a second groove 331 is formed on a surface of the second heat conducting plate 33 away from the first heat conducting plate 31, so that when the heat dissipation structure 30 is installed between the casing 10 and the cell module 20, contact between the first heat conducting plate 31 and the second heat conducting plate 33 and between the casing 10 and the cell module 20 is reduced, and thus the heat dissipation structure 30 is convenient to install.
Fig. 2 and 3 show an embodiment of the present application, in which the first heat conducting plate 31 includes a first end 313 and a second end 315 opposite to the first end 313, the first groove 311 opens from the first end 313 to the second end 315, and the first groove 311 penetrates through the first end 313. The second heat conduction plate 33 includes a third end 333 and a fourth end 335 opposite to the third end 333, the second trench 331 opens from the third end 333 to the fourth end 335, and the second trench 331 penetrates the third end 333.
In some embodiments, the first trench 311 may not extend through the first end 313, and the second trench 331 may not extend through the third end 333. In some embodiments, the first trench 311 and the second trench 331 may also be opened in other directions.
In this embodiment, the first groove 311 is arc-shaped at the first end 313, and the second groove 331 is arc-shaped at the third end 333. In some embodiments, the first trench 311 at the first end 313 and the second trench 331 at the third end 333 may also be rectangular, V-shaped, or any other shape.
In this embodiment, the first grooves 311 are disposed in parallel at intervals, and the second grooves 331 are disposed in parallel at intervals. Each of the first trenches 311 corresponds to one of the second trenches 331.
Second embodiment
Referring to fig. 4, the second embodiment is different from the first embodiment in that each of the first trenches 311 is disposed corresponding to a gap between two adjacent second trenches 331, and each of the second trenches 331 is disposed corresponding to a gap between two adjacent first trenches 311.
Third embodiment
Referring to fig. 5, the third embodiment is different from the first embodiment in that the battery structure 100 further includes a thermal conductive adhesive 37, and the thermal conductive adhesive 37 is disposed in the first groove 311 and/or the second groove 331.
Fig. 5 shows an embodiment of the present application, in which the first trench 311 and the second trench 331 are filled with the thermal conductive paste 37.
In this embodiment, after the heat dissipation structure 30 is located between the casing 10 and the cell module 20, the raw material of the thermal conductive adhesive 37 is poured into the first groove 311 and/or the second groove 331 to form the thermal conductive adhesive 37, so that when the heat dissipation structure 30 is mounted between the casing 10 and the cell module 20, the thermal conductive adhesive 37 can increase a conduction area, enhance a heat dissipation effect, and increase a contact strength between the heat dissipation structure 30 and the casing 10 and/or the cell module 20.
Fourth embodiment
Referring to fig. 6, the fourth embodiment is different from the third embodiment in that the end of the first heat-conducting plate 31 facing away from the cushioning layer 35 and/or the end of the second heat-conducting plate 33 facing away from the cushioning layer 35 are/is provided with a chamfer.
Specifically, in this embodiment, a chamfer is disposed between the surface of the first heat conducting plate 31 departing from the buffer layer 35 and the second end 315, and a chamfer is disposed between the surface of the second heat conducting plate 33 departing from the buffer layer 35 and the fourth end 335, so that the heat dissipation structure 30 is conveniently mounted between the casing 10 and the battery cell module 20.
In some embodiments, a chamfer (not shown) may be further disposed between the surface of the first heat conducting plate 31 facing away from the buffer layer 35 and the first end 313, and a chamfer (not shown) may be further disposed between the surface of the second heat conducting plate 33 facing away from the buffer layer 35 and the third end 333, so as to facilitate the removal of the heat dissipation structure 30 from between the housing 10 and the cell module 20.
Fifth embodiment
Referring to fig. 7, the difference between the fifth embodiment and the fourth embodiment is that a first receiving groove 319 may be further formed on a surface of the first heat conducting plate 31 facing the second heat conducting plate 33, and the buffer layer 35 is disposed in the first receiving groove 319.
Specifically, the first heat conducting plate 31 includes a first body 316, a first side 317 and a second side 318 opposite to the first side 317, and the first body 316, the first side 317 and the second side 318 enclose the first accommodating groove 319.
The second heat conducting plate 33 is disposed on a side of the buffer layer 35 away from the first body 316 corresponding to the first accommodating groove 319, and when the heat dissipation structure 30 is disposed between the casing 10 and the cell module 20, the buffer layer 35 is compressed, and the second heat conducting plate 33 is in contact with the first side portion 317 and the second side portion 318.
Sixth embodiment
Referring to fig. 8, the sixth embodiment is different from the fifth embodiment in that a second receiving groove 339 may be further formed on a surface of the second heat conduction plate 33 facing the first heat conduction plate 31, and the buffer layer 35 is disposed in the first receiving groove 319 and the second receiving groove 339.
Specifically, the second heat conduction plate 33 includes a second body 336, a third side portion 337, and a fourth side portion 338 opposite to the third side portion 337, and the second body 336, the third side portion 337, and the fourth side portion 338 surround to form the second receiving groove 339.
The second heat conduction plate 33 is disposed corresponding to the first receiving groove 319, the third side portion 337 and the fourth side portion 338 are located in the first receiving groove 319, the third side portion 337 contacts the first side portion 317, and the fourth side portion 338 contacts the second side portion 318.
Seventh embodiment
Referring to fig. 9, the seventh embodiment is different from the sixth embodiment in that the first side portion 317 is located in the second receiving groove 339 and contacts the third side portion 337, and the fourth side portion 338 is located in the first receiving groove 319 and contacts the second side portion 318.
The battery structure 100 of the present application, through the heat dissipation structure 30 support hold between the casing 10 and the electric core module 20, it is right to realize that the electric core module 20 can also be fixed in the casing 10 while performing heat dissipation.
In addition, it is obvious to those skilled in the art that other various corresponding changes and modifications can be made according to the technical idea of the present application, and all such changes and modifications should fall within the protective scope of the claims of the present application.
Claims (10)
1. The utility model provides a battery structure, includes casing, electric core module and heat radiation structure, the electric core module reaches heat radiation structure accept in the casing, its characterized in that, heat radiation structure includes:
a first heat-conducting plate;
a second heat-conducting plate in contact with the first heat-conducting plate; and
the buffer layer is arranged between the first heat conduction plate and the second heat conduction plate;
the heat dissipation structure is arranged in a gap between the battery cell module and the shell, and abuts against the battery cell module and the shell through the buffer layer, so that the battery cell module is fixed in the shell.
2. The battery structure of claim 1, wherein a surface of the first thermally conductive plate facing away from the second thermally conductive plate and/or a surface of the second thermally conductive plate facing away from the first thermally conductive plate is grooved.
3. The battery structure of claim 2, further comprising a thermally conductive paste disposed in the groove.
4. The battery structure of any of claims 2-3, wherein each trench opens from a first end of the first thermally conductive plate to a second end opposite the first end, or from a third end of the second thermally conductive plate to a fourth end opposite the third end; each trench extends through either the first end or the third end.
5. The battery structure of claim 1, wherein an end of the first thermally conductive plate facing away from the buffer layer and an end of the second thermally conductive plate facing away from the buffer layer are each chamfered.
6. The battery structure of any one of claims 1-3, wherein a first receiving groove is defined in a surface of the first heat-conducting plate facing the second heat-conducting plate, and the buffer layer is disposed in the first receiving groove.
7. The battery structure of claim 6, wherein a second receiving groove is formed on a surface of the second heat conducting plate facing the first heat conducting plate, and the buffer layer is disposed in the first receiving groove and the second receiving groove.
8. The battery structure of claim 7, wherein the first heat-conducting plate comprises a first body, a first side portion and a second side portion opposite to the first side portion, the first body and the first and second side portions enclose the first receiving groove, and the second heat-conducting plate is disposed corresponding to the first receiving groove and contacts the first and second side portions.
9. The battery structure of claim 7, wherein the first heat-conducting plate comprises a first body, a first side portion and a second side portion opposite to the first side portion, the first body, the first side portion and the second side portion surrounding to form the first receiving groove; the second heat conducting plate comprises a second body, a third side part and a fourth side part opposite to the second side part, and the second body, the third side part and the fourth side part are arranged in a surrounding manner to form the second accommodating groove; the first side part is positioned in the second containing groove and is contacted with the third side part, and the fourth side part is positioned in the first containing groove and is contacted with the second side part.
10. The battery structure of claim 1, wherein the first thermally conductive plate and/or the second thermally conductive plate is an elastic thermally conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114971.XU CN211555961U (en) | 2019-11-29 | 2019-11-29 | Battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114971.XU CN211555961U (en) | 2019-11-29 | 2019-11-29 | Battery structure |
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| Publication Number | Publication Date |
|---|---|
| CN211555961U true CN211555961U (en) | 2020-09-22 |
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| CN201922114971.XU Active CN211555961U (en) | 2019-11-29 | 2019-11-29 | Battery structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115569A (en) * | 2021-04-08 | 2021-07-13 | 昆山国显光电有限公司 | Display panel, display device and buffering heat radiation structure |
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2019
- 2019-11-29 CN CN201922114971.XU patent/CN211555961U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115569A (en) * | 2021-04-08 | 2021-07-13 | 昆山国显光电有限公司 | Display panel, display device and buffering heat radiation structure |
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