CN213366668U - Battery heat radiation structure and battery - Google Patents
Battery heat radiation structure and battery Download PDFInfo
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- CN213366668U CN213366668U CN202022406325.3U CN202022406325U CN213366668U CN 213366668 U CN213366668 U CN 213366668U CN 202022406325 U CN202022406325 U CN 202022406325U CN 213366668 U CN213366668 U CN 213366668U
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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 heat dissipation structure and a battery, the battery heat dissipation structure includes: casing subassembly, battery management subassembly, radiator unit, heat-conducting component and waterproof component. According to the battery heat dissipation structure and the battery, the heat dissipation assembly and the shell are connected integrally to transfer heat or are arranged on the shell to realize connection heat transfer, heat conducted on the heat conduction silica gel pad can be directly transferred to the shell, and heat dissipation is realized through the metal shell; the heat dissipation assembly can be detached from the shell for replacement, and can be replaced according to the needs or made of materials with better heat conduction efficiency, so that the heat dissipation assembly is convenient and flexible; the whole heat dissipation structure can improve the heat dissipation performance and avoid the situation that the heat of the MOS tube cannot be transferred due to heat accumulation; the detachable shell structure provides convenience for subsequent inspection and maintenance of the battery protection board.
Description
Technical Field
The utility model relates to a technical field of battery especially relates to a battery heat radiation structure and battery.
Background
At present, the assembly process of the battery pack generally includes assembling a cylindrical battery cell in a corresponding support, then assembling components such as a PCB board and the like in corresponding positions of the support, and finally assembling a housing. In order to match the battery pack with its assembly parent and achieve the goals of light weight and miniaturization, the battery pack demanding business imposes certain restrictions on the occupied space of the battery pack. However, the compact design space not only brings difficulties for developers to improve the heat dissipation performance of the battery pack, but also makes it more difficult for the developers to apply a more complex active heat dissipation method to the structural design of the battery pack.
In the process of battery discharge, the MOS transistor on the battery management unit may be heated to more than one hundred degrees celsius, and the resulting regional high temperature may affect the overall safety of the battery pack if the local high temperature exists for a long time, so that a certain heat dissipation treatment needs to be performed on the MOS transistor. The existing battery pack mainly comprises three methods for heat dissipation: the three heat dissipation methods have respective advantages and disadvantages, and cannot simultaneously meet the heat dissipation requirements of the battery pack, such as good heat conduction effect, low cost and small space occupation.
It can be seen that the prior art has at least the following disadvantages: the existing battery pack mainly comprises three methods for heat dissipation: the three heat dissipation methods have respective advantages and disadvantages, and cannot simultaneously meet the heat dissipation requirements of the battery pack, such as good heat conduction effect, low cost and small space occupation.
Therefore, it is necessary to provide a technical means to solve the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a battery heat radiation structure and battery to the battery group heat dissipation that has now mainly has three kinds of methods among the solution prior art: the three heat dissipation methods have respective advantages and disadvantages, and cannot simultaneously meet the heat dissipation requirements of the battery pack, such as good heat conduction effect, low cost and small space occupation.
The utility model discloses a realize like this, a battery heat radiation structure, include:
a housing assembly for accommodating a battery pack; the battery pack is arranged in the shell assembly;
a battery management assembly for managing the battery pack; the battery management assembly is arranged in the shell assembly and is connected with the battery pack;
the heat dissipation assembly is used for conducting the heat of the heat dissipation assembly to the shell assembly; the heat dissipation assembly is arranged on the shell assembly;
the heat conducting component is used for conducting heat on the battery management component to the heat dissipation component; the heat conducting assembly is arranged between the battery management assembly and the heat dissipation assembly and is respectively connected with the battery management assembly and the heat dissipation assembly;
a waterproof assembly for closing a gap between the housing assembly and the heat dissipation assembly; the waterproof assembly is arranged on the shell assembly, surrounds the heat conduction assembly and is tightly attached to the shell assembly and the heat conduction assembly respectively.
Preferably, the housing assembly comprises: the shell, the group battery with battery management subassembly set up in the shell, correspond on the shell battery management subassembly department is provided with the thermovent, heat-conducting component set up in thermovent department, heat-conducting component passes waterproof component with heat-conducting component connects, and with shell body coupling, waterproof component's bottom surface support in on the shell outer wall and the top surface supports heat-radiating component.
Preferably, the side wall of the heat conducting component is in seamless close fit with the inner side wall of the heat sink.
Preferably, correspond on the shell waterproof component department inwards caves in and forms the mounting groove, waterproof component correspond set up in the mounting groove, and the bottom surface with the bottom wall is hugged closely in the mounting groove, the radiator unit lateral wall with the seamless hugging closely of mounting groove inside wall.
Preferably, the battery management assembly comprises: and the MOS tube is connected with the heat conduction assembly.
Preferably, the heat dissipation assembly includes: the heat conduction aluminium pig, the heat conduction aluminium pig is including interconnect's connecting portion and holding the flat portion, connecting portion pass waterproof component with heat-conducting component connects, hold flat portion lateral wall with the seamless hugging closely of mounting groove inside wall of shell among the casing assembly, and with the shell top surface is held level.
Preferably, the heat conducting assembly comprises: the heat-conducting silica gel pad is arranged at the heat dissipation port of the shell in the shell component and is attached to the connecting part of the MOS tube in the battery management component and the heat-conducting aluminum block in the heat dissipation component.
Preferably, the waterproof assembly comprises: waterproof circle, waterproof circle set up in the mounting groove of shell among the casing assembly, and encircle heat conduction silica gel pad round among the heat-conducting assembly, waterproof circle's lateral wall with mounting groove inner wall side laminating and inside wall with the laminating of heat conduction silica gel pad lateral wall, waterproof circle's bottom surface with the mounting groove inner wall laminating and top surface with the laminating of the portion bottom surface of keeping level of heat conduction aluminium pig among the radiator unit.
The utility model also provides a battery, include as in any one of the above-mentioned battery heat radiation structure.
According to the battery heat dissipation structure and the battery, the heat dissipation assembly and the shell are connected integrally to transfer heat or are arranged on the shell to realize connection heat transfer, heat conducted on the heat conduction silica gel pad can be directly transferred to the shell, and heat dissipation is realized through the metal shell; the heat dissipation assembly can be detached from the shell for replacement, and can be replaced according to the needs or made of materials with better heat conduction efficiency, so that the heat dissipation assembly is convenient and flexible; the whole heat dissipation structure can improve the heat dissipation performance and avoid the situation that the heat of the MOS tube cannot be transferred due to heat accumulation; the detachable shell structure provides convenience for subsequent inspection and maintenance of the battery protection board.
Drawings
Fig. 1 is a schematic view of a battery heat dissipation structure according to an embodiment of the present invention;
fig. 2 is a schematic view of a battery heat dissipation structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
Referring to fig. 1-2, in an embodiment of the present application, a heat dissipation structure of a battery includes: the housing assembly 10, the battery management assembly 20, the heat dissipation assembly 30, the heat conductive assembly 40, and the waterproof assembly 50, each of which will be described in detail below.
Referring to fig. 1-2, in an embodiment of the present application, a heat dissipation structure of a battery includes:
a case assembly 10 for accommodating a battery pack; the battery pack is disposed in the housing assembly 10;
a battery management assembly 20 for managing the battery pack; the battery management assembly 20 is disposed in the housing assembly 10 and connected to the battery pack;
a heat sink assembly 30 for conducting heat of itself to the housing assembly 10; the heat dissipation assembly 30 is disposed on the housing assembly 10;
a heat conducting assembly 40 for conducting heat from the battery management assembly 20 to the heat sink assembly 30; the heat conducting assembly 40 is disposed between the battery management assembly 20 and the heat dissipating assembly 30, and is closely attached to the battery management assembly 20 and the heat dissipating assembly 30, respectively;
a waterproof assembly 50 for closing a gap between the case assembly 10 and the heat dissipation assembly 30; the waterproof assembly 50 is disposed on the housing assembly 10, surrounds the heat conducting assembly 40, and is connected to the housing assembly 10 and the heat conducting assembly 40 respectively.
When this battery heat dissipation structure is used, a battery pack is mounted in the housing assembly 10, and the battery management assembly 20 controls the operating state of the battery pack. After a period of operation, the battery management assembly 20 generates heat itself, the heat conducting assembly 40 conducts the heat generated by the battery management assembly 20 to the heat dissipating assembly 30, and the heat dissipating assembly 30 conducts the heat to the housing assembly 10. Because casing subassembly 10 is the metal material, so have better heat conduction and radiating effect, casing subassembly 10 receives the heat that radiating component 30 conducts and dispels the heat fast, and like this, the heat that produces on battery management subassembly 20 can be constantly directional conduction and scatter, prevents that a large amount of gathers and influence self normal work. The waterproof assembly 50 may close a gap between the case assembly 10 and the heat dissipation assembly 30, and prevent substances such as dust, water, etc. from entering the inside of the case assembly 10 through the gap therebetween to damage the battery pack.
Referring to fig. 1-2, in the embodiment of the present application, the housing assembly 10 includes: shell 11, the group battery with battery management subassembly 20 set up in the shell 11, correspond on the shell 11 battery management subassembly 20 department is provided with thermovent 12, thermal-conductive component 40 set up in thermovent 12 department, thermal-conductive component 30 passes waterproof component 50 with thermal-conductive component 40 connects, and with shell 11 body coupling, waterproof component 50's bottom surface support in on the shell 11 outer wall and the top surface supports radiating component 30.
Referring to fig. 1-2, in the embodiment of the present application, the sidewall of the heat conducting element 40 is seamlessly attached to the inner sidewall of the heat dissipating opening 12. The heat conductive member 40 completely closes the heat dissipation opening 12, and prevents dust, water, etc. from entering the inside of the case 11 through the heat dissipation opening 12.
Referring to fig. 1-2, in the embodiment of the present application, a mounting groove 13 is formed on the housing 11 corresponding to the waterproof component 50 and is recessed inward, the waterproof component 50 is correspondingly disposed in the mounting groove 13, a bottom surface of the waterproof component is closely attached to a bottom wall of the mounting groove 13, and a side wall of the heat dissipation component 30 is closely attached to an inner side wall of the mounting groove 13 without a seam. The waterproof member 50 is closely attached to the mounting groove 13, and prevents dust, water, etc. from entering the housing 11 from the mounting groove 13.
Referring to fig. 1-2, in the embodiment of the present application, the battery management assembly 20 includes: the MOS tube 21, the MOS tube 21 is connected with the heat conduction assembly 40. The heat generated by the MOS transistor 21 is conducted to the heat sink 30 through the heat conducting member 40.
Referring to fig. 1-2, in the embodiment of the present application, the heat dissipation assembly 30 includes: the heat conduction aluminum block 31, the heat conduction aluminum block 31 includes the connecting portion 32 and the flat portion 33 of holding that interconnect, the connecting portion 32 pass waterproof component 50 with heat conduction component 40 is connected, hold flat portion 33 lateral wall with shell assembly 10 in the installation groove 13 inside wall of shell 11 seamless hug closely, and with shell 11 top surface is flat.
Referring to fig. 1-2, in the embodiment of the present application, the heat conducting element 40 includes: the heat conducting silicone rubber pad 41 is disposed at the heat dissipation opening 12 of the housing 11 in the housing assembly 10, and is attached to the connection portion 32 of the MOS tube 21 in the battery management assembly 20 and the heat conducting aluminum block 31 in the heat dissipation assembly 30.
Referring to fig. 1-2, in the embodiment of the present application, the waterproof assembly 50 includes: waterproof circle 51, waterproof circle 51 set up in the mounting groove 13 of shell 11 in casing subassembly 10, and encircle heat conduction silica gel pad 41 round in the heat conduction subassembly 40, waterproof circle 51's lateral wall with the laminating of mounting groove 13 inner wall side and the inside wall with the laminating of heat conduction silica gel pad 41 lateral wall, waterproof circle 51's bottom surface with the laminating of mounting groove 13 inner wall and top surface with the laminating of portion 33 bottom surface of keeping level of heat conduction aluminium pig 31 among the radiator unit 30.
In the embodiment of the present application, the heat generated by the MOS transistor 21 is conducted to the connection portion 32 through the heat conductive silicone pad 41, then conducted to the flat portion 33, further conducted to the housing 11, and dissipated through the housing 11. The waterproof ring 51 closes the gap between the flat holding portion 33 and the housing 11, and supports the flat holding portion 33. The flat portion 33 has a top surface flush with the outer wall of the housing 11, and thus can be integrated with the housing 11.
In an embodiment of the present application, the present application further provides a battery including the battery heat dissipation structure as described in fig. 1-2.
According to the battery heat dissipation structure and the battery, the heat dissipation assembly and the shell are connected integrally to transfer heat or are arranged on the shell to realize connection heat transfer, heat conducted on the heat conduction silica gel pad can be directly transferred to the shell, and heat dissipation is realized through the metal shell; the heat dissipation assembly can be detached from the shell for replacement, and can be replaced according to the needs or made of materials with better heat conduction efficiency, so that the heat dissipation assembly is convenient and flexible; the whole heat dissipation structure can improve the heat dissipation performance and avoid the situation that the heat of the MOS tube cannot be transferred due to heat accumulation; the detachable shell structure provides convenience for subsequent inspection and maintenance of the battery protection board.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A battery heat dissipation structure, comprising:
a housing assembly for accommodating a battery pack; the battery pack is arranged in the shell assembly;
a battery management assembly for managing the battery pack; the battery management assembly is arranged in the shell assembly and is connected with the battery pack;
the heat dissipation assembly is used for conducting the heat of the heat dissipation assembly to the shell assembly; the heat dissipation assembly is arranged on the shell assembly;
the heat conducting component is used for conducting heat on the battery management component to the heat dissipation component; the heat conducting assembly is arranged between the battery management assembly and the heat dissipation assembly and is respectively connected with the battery management assembly and the heat dissipation assembly;
a waterproof assembly for closing a gap between the housing assembly and the heat dissipation assembly; the waterproof assembly is arranged on the shell assembly, surrounds the heat conduction assembly and is tightly attached to the shell assembly and the heat conduction assembly respectively.
2. The battery heat dissipation structure of claim 1, wherein the housing assembly comprises: the shell, the group battery with battery management subassembly set up in the shell, correspond on the shell battery management subassembly department is provided with the thermovent, heat-conducting component set up in thermovent department, heat-conducting component passes waterproof component with heat-conducting component connects, and with shell body coupling, waterproof component's bottom surface support in on the shell outer wall and the top surface supports heat-radiating component.
3. The battery heat dissipation structure of claim 2, wherein the side wall of the heat conduction assembly is seamlessly abutted with the inner side wall of the heat dissipation port.
4. The battery heat dissipation structure of claim 2, wherein the housing is recessed inward to form a mounting groove corresponding to the waterproof component, the waterproof component is correspondingly disposed in the mounting groove, and the bottom surface of the waterproof component is closely attached to the bottom wall of the mounting groove, and the side wall of the heat dissipation component is closely attached to the inner side wall of the mounting groove without a seam.
5. The battery heat dissipation structure of claim 1, wherein the battery management assembly comprises: and the MOS tube is connected with the heat conduction assembly.
6. The battery heat dissipation structure of claim 1, wherein the heat dissipation assembly comprises: the heat conduction aluminium pig, the heat conduction aluminium pig is including interconnect's connecting portion and holding the flat portion, connecting portion pass waterproof component with heat-conducting component connects, hold flat portion lateral wall with the seamless hugging closely of mounting groove inside wall of shell among the casing assembly, and with the shell top surface is held level.
7. The battery heat dissipation structure of claim 1, wherein the heat conducting assembly comprises: the heat-conducting silica gel pad is arranged at the heat dissipation port of the shell in the shell component and is attached to the connecting part of the MOS tube in the battery management component and the heat-conducting aluminum block in the heat dissipation component.
8. The battery heat dissipation structure of claim 1, wherein the waterproof assembly comprises: waterproof circle, waterproof circle set up in the mounting groove of shell among the casing assembly, and encircle heat conduction silica gel pad round among the heat-conducting assembly, waterproof circle's lateral wall with mounting groove inner wall side laminating and inside wall with the laminating of heat conduction silica gel pad lateral wall, waterproof circle's bottom surface with the mounting groove inner wall laminating and top surface with the laminating of the portion bottom surface of keeping level of heat conduction aluminium pig among the radiator unit.
9. A battery comprising the battery heat dissipation structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022406325.3U CN213366668U (en) | 2020-10-23 | 2020-10-23 | Battery heat radiation structure and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022406325.3U CN213366668U (en) | 2020-10-23 | 2020-10-23 | Battery heat radiation structure and battery |
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| Publication Number | Publication Date |
|---|---|
| CN213366668U true CN213366668U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022406325.3U Active CN213366668U (en) | 2020-10-23 | 2020-10-23 | Battery heat radiation structure and battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921937A (en) * | 2021-09-03 | 2022-01-11 | 八方电气(苏州)股份有限公司 | Direct-cooling heat dissipation lithium battery module structure |
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2020
- 2020-10-23 CN CN202022406325.3U patent/CN213366668U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921937A (en) * | 2021-09-03 | 2022-01-11 | 八方电气(苏州)股份有限公司 | Direct-cooling heat dissipation lithium battery module structure |
| CN113921937B (en) * | 2021-09-03 | 2024-03-15 | 八方电气(苏州)股份有限公司 | Direct cooling heat dissipation lithium battery module structure |
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