CN108711596B - Battery module and power supply device of electric vehicle - Google Patents
Battery module and power supply device of electric vehicle Download PDFInfo
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- CN108711596B CN108711596B CN201810472594.4A CN201810472594A CN108711596B CN 108711596 B CN108711596 B CN 108711596B CN 201810472594 A CN201810472594 A CN 201810472594A CN 108711596 B CN108711596 B CN 108711596B
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- 230000008093 supporting effect Effects 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 29
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 18
- 239000010410 layer Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000002355 dual-layer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The embodiment of the invention provides a battery module and a power supply device of an electric vehicle, which comprise a double-layer module structure formed by a first sub-module and a second sub-module, and realize the supporting effect of the double-layer module by utilizing supporting parts. The battery module realizes the stable connection of the double-layer modules through the supporting component and the fixing component, and is favorable for improving the service performance of the electric vehicle.
Description
Technical Field
The embodiment of the invention relates to the field of new energy batteries, in particular to a battery module of an electric vehicle and a power supply device.
Background
The power battery system is a core component of the electric vehicle and is directly related to the service performance, cruising ability, operation safety and the like of the electric vehicle. Among them, the fixed connection of each battery module in the power supply device is an important issue. In the prior art, under the condition that a plurality of battery modules are included in a battery system of an electric vehicle, the problem that connection among the battery modules is unstable exists, and therefore the usability and the operation safety of the electric vehicle are affected.
Disclosure of Invention
In view of the foregoing, it is an object of the present application to provide an electric vehicle battery module, a power supply device and a method for improving the above-mentioned problems.
The embodiment of the application provides an electric vehicle battery module, which is applied to a power supply device, wherein the power supply device comprises a battery box body, the electric vehicle battery module can be arranged in the battery box body, and the electric vehicle battery module comprises a plurality of first sub-modules, a plurality of second sub-modules, a plurality of supporting components and fixing components, wherein the plurality of first sub-modules are arranged in parallel, and the plurality of second sub-modules are arranged in parallel;
the second sub-module is positioned in the battery box body and arranged at the bottom of the battery box body, the supporting component is arranged at one side of the second sub-module far away from the bottom of the battery box body, and the first sub-module is arranged at one side of the supporting component far away from the second sub-module;
the support assembly comprises a flat plate, a first end part and a second end part, wherein the first end part and the second end part are arranged on the flat plate and are oppositely arranged, a plurality of through holes are formed in the flat plate, the flat plate is arranged between the first sub-module and the second sub-module, the first end part and the second end part are respectively provided with a connecting part, and connecting holes are formed in the connecting parts;
the fixing assembly is provided with a fixing hole matched with the connecting hole, and is connected to the connecting portion and connected with the supporting assembly through the connecting hole, the fixing hole and the connecting piece.
Optionally, the through holes include a plurality of first through holes and a plurality of second through holes, a plurality of first through holes are parallel arrangement in the intermediate position of dull and stereotyped, the second through holes with first through holes are perpendicular setting, the second through holes set up the third tip and the fourth tip of dull and stereotyped relative setting.
Optionally, the electric vehicle battery module further comprises a first liquid cooling plate, and the first liquid cooling plate is arranged between the support assembly and the first sub-module;
the border of first liquid cooling board is provided with the mounting, the fixed orifices has been seted up on the mounting, the position of fixed orifices with the position adaptation of connecting hole on the connecting portion, first liquid cooling board passes through the fixed orifices connecting hole and connecting piece with the supporting component is connected.
Optionally, a first connecting clamping plate is arranged at one end of the first sub-module, a second connecting clamping plate is arranged at one end of the second sub-module, and the electric vehicle battery module further comprises a connecting beam, wherein the connecting beam is used for connecting the first sub-module and the second sub-module;
the connecting beam comprises a beam body, and a first connecting sheet and a second connecting sheet which are respectively arranged at two opposite ends of the beam body, wherein the first connecting sheet and the second connecting sheet are arranged in parallel and are respectively and vertically arranged with the beam body, the first connecting sheet stretches into the first connecting clamping plate to be connected with the first sub-module, and the second connecting sheet stretches into the second connecting clamping plate to be connected with the second sub-module.
Optionally, the electric vehicle battery module further comprises a connecting beam, wherein the connecting beam is used for connecting two adjacent first sub-modules;
the connecting beam comprises a beam body, and a first connecting plate and a second connecting plate which are respectively arranged at two opposite ends of the beam body, wherein the first connecting plate and the second connecting plate are positioned on the same plane, the plane is perpendicular to the plane where the beam body is positioned, and the first connecting plate and the second connecting plate respectively extend into first connecting clamping plates of two adjacent first sub-modules to connect the two adjacent first sub-modules.
Optionally, a fastening hole is further formed in the fixing component, a first fastening plate is arranged at one end of the first sub-module, a first fastening through hole is formed in the first fastening plate, and the forming direction of the first fastening through hole is consistent with the forming direction of the fastening hole;
one end of the second sub-module is provided with a second fastening plate, a second fastening through hole is formed in the second fastening plate, and the forming direction of the second fastening through hole is consistent with the forming direction of the fastening hole;
the electric vehicle battery module further comprises a long screw rod, and one end of the long screw rod sequentially penetrates through the first fastening through hole, the fastening hole and the second fastening through hole to connect the first sub-module, the fixing assembly and the second sub-module.
Optionally, the electric vehicle battery module further comprises a second liquid cooling plate, and the second liquid cooling plate is arranged between the second sub-module and the bottom of the battery box body.
Optionally, the electric vehicle battery module further includes a first heat conduction pad and a second heat conduction pad, the first heat conduction pad is disposed between the first liquid cooling plate and the first sub-module, and the second heat conduction pad is disposed between the second liquid cooling plate and the second sub-module.
Optionally, the electric vehicle battery module further comprises a buffer pad, and the buffer pad is arranged between the second liquid cooling plate and the bottom of the battery box body.
The embodiment of the application also provides an electric vehicle power supply device, which comprises a battery box body and the electric vehicle battery module, wherein the electric vehicle battery module is arranged inside the battery box body.
The electric vehicle battery module and the power supply device provided by the embodiment of the application form a double-layer module structure by the first sub-module and the second sub-module, and the supporting effect of the double-layer module is realized by utilizing the supporting parts. The battery module realizes the stable connection of the double-layer modules through the supporting component and the fixing component, and is favorable for improving the service performance of the electric vehicle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of an electric vehicle power supply device according to an embodiment of the present invention.
Fig. 2 is an exploded view of an electric vehicle battery module according to an embodiment of the present invention.
Fig. 3 is an exploded view of a support assembly and a fixing assembly according to an embodiment of the present invention.
Fig. 4 is a block diagram of an electric vehicle battery module according to an embodiment of the present invention.
Fig. 5 is a structural diagram of a connection beam according to an embodiment of the present invention.
Fig. 6 is a structural diagram of a connecting beam according to an embodiment of the present invention.
Fig. 7 is a partial enlarged view of a portion a in fig. 4.
Fig. 8 is another exploded view of an electric vehicle battery module according to an embodiment of the present invention.
Icon: 10-an electric vehicle power supply device; 20-an electric vehicle battery module; 210-a first sub-module; 211-a first connecting splint; 212-a first fastening plate; 2121-a first fastening through hole; 220-a second sub-module; 221-a second connecting splint; 230-a support assembly; 231-plates; 232-connection; 2321-connection holes; 240-a fixed assembly; 241-fixing holes; 242-fastening holes; 250-connecting beams; 251-beam body; 252-first connecting piece; 253-a second connecting piece; 260-connecting the cross beams; 261-a beam body; 262-a first connection plate; 263-a second connection plate; 271-a first liquid cooling plate; 272-a second liquid cooling plate; 281-a first thermal pad; 282-a second thermal pad; 290-cushioning pad; 30-battery box.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 2 in combination, an embodiment of the present application provides an electric vehicle battery module 20, where the electric vehicle battery module 20 is applied to an electric vehicle power supply device 10. The power supply device comprises a battery box 30, and the battery module can be installed in the battery box 30.
The electric vehicle battery module 20 includes a plurality of first sub-modules 210, a plurality of second sub-modules 220, a plurality of support assemblies 230, and a fixing assembly 240. The first sub-modules 210 are arranged in parallel, and the second sub-modules 220 are arranged in parallel. In particular, in the vertical direction, each first sub-module 210 and each second sub-module 220 are correspondingly disposed, and each supporting component 230 is disposed between two adjacent first sub-modules 210 and two adjacent second sub-modules 220, that is, the center line position of the supporting component 230 is located at the connection position of two adjacent first sub-modules 210 and at the connection position of two adjacent second sub-modules 220.
Optionally, the second sub-module 220 is located inside the battery box 30 and is disposed at the bottom of the battery box 30, the support assembly 230 is disposed at a side of the second sub-module 220 away from the bottom of the battery box 30, and the first sub-module 210 is disposed at a side of the support assembly 230 away from the second sub-module 220.
Referring to fig. 3, the support assembly 230 includes a plate 231 and first and second opposite ends disposed on the plate 231. The plate 231 is provided with a plurality of through holes, and the plate 231 is disposed between the first sub-module 210 and the second sub-module 220. The first end and the second end are respectively provided with a connecting part 232, and a connecting hole 2321 is formed in the connecting part 232.
The fixing component 240 is provided with a fixing hole 241 adapted to the connecting hole 2321, and the fixing component 240 is connected to the connecting portion 232 and is connected to the supporting component 230 through the connecting hole 2321, the fixing hole 241 and the connecting piece. Wherein the connection member may include a bolt and a nut.
Alternatively, in the present embodiment, the through holes on the plate 231 included in the support assembly 230 may include a plurality of first through holes and second through holes. The first through holes are arranged in parallel at the middle position of the flat plate 231, the second through holes are arranged perpendicular to the first through holes, and the second through holes are arranged at the third end part and the fourth end part of the flat plate 231 which are oppositely arranged. Through holes are formed in the flat plate 231, the weight of the support assembly 230 can be reduced, and the overall weight of the battery module can be further reduced, so that the usability of the electric vehicle can be improved.
Referring to fig. 4 and 5 in combination, in order to connect the sub-modules of the upper and lower layers to stabilize the battery module, in one implementation of the embodiment, a first connecting clamping plate 211 is disposed at one end of at least one first sub-module 210 of the plurality of first sub-modules 210, and a second connecting clamping plate 221 is disposed at one end of a second sub-module 220 corresponding to the first sub-module 210. The electric vehicle battery module 20 further includes a connection beam 250, and the connection beam 250 is used to connect the first sub-module 210 and the second sub-module 220.
The connection beam 250 includes a beam body 251, and a first connection piece 252 and a second connection piece 253 provided at opposite ends of the beam body 251, respectively. The first connecting piece 252 and the second connecting piece 253 are arranged in parallel and are respectively perpendicular to the beam body 251. The first connecting piece 252 extends into the first connecting clamping plate 211 and is connected with the first sub-module 210 through internal holes, bolts and the like, and the second connecting piece 253 extends into the second connecting clamping plate 221 and is connected with the second sub-module 220 through internal holes, bolts and the like. Thereby connecting the first sub-module 210 and the second sub-module 220 of the upper and lower layers using the connection beam 250, and maintaining the overall stability of the battery module.
Referring to fig. 4 and fig. 6 in combination, in this embodiment, in order to connect the plurality of first sub-modules 210 in the same row, in one implementation manner of this embodiment, the electric vehicle battery module 20 further includes a connection beam 260, where the connection beam 260 is used to connect two adjacent first sub-modules 210.
The connection beam 260 includes a beam body 261, and first and second connection plates 262 and 263 provided at opposite ends of the beam body 261, respectively. The first connecting plate 262 and the second connecting plate 263 are in the same plane, and the plane is perpendicular to the plane in which the beam body 261 is located. The first connecting plate 262 and the second connecting plate 263 respectively extend into the first connecting clamping plates 211 of the adjacent two first sub-modules 210 and connect the adjacent two first sub-modules 210 through internal holes, bolts, etc.
Likewise, in this embodiment, the connecting beam 260 may be further used to connect two adjacent second sub-modules 220 in the same row, and the connection principle is the same as that of the above-mentioned two adjacent first sub-modules 210, which is not described herein.
Referring to fig. 4 and fig. 7 in combination, further, in order to achieve connection between the first sub-module 210, the second sub-module 220 and the fixing component 240 of the upper layer and the lower layer, in one implementation of this embodiment, the fixing component 240 is further provided with a fastening hole 242. One end of the first sub-module 210 is provided with a first fastening plate 212, a first fastening through hole 2121 is formed in the first fastening plate 212, and a direction of the first fastening through hole 2121 is consistent with a direction of the fastening hole 242.
One end of the second sub-module 220 is provided with a second fastening plate, a second fastening through hole is formed in the second fastening plate, and the opening direction of the second fastening through hole is consistent with the opening direction of the fastening hole 242.
The electric vehicle battery module 20 further includes a long screw, and one end of the long screw sequentially passes through the first fastening through hole 2121, the fastening hole 242, and the second fastening through hole to connect the first sub-module 210, the fixing assembly 240, and the second sub-module 220.
Referring to fig. 8, in the present embodiment, the electric vehicle battery module 20 further includes a first liquid cooling plate 271, and the first liquid cooling plate 271 is disposed between the support assembly 230 and the first sub-module 210.
In order to achieve the connection relationship between the first liquid cooling plate 271, the first sub-module 210 and the support assembly 230, in one embodiment of the present disclosure, a fixing member is disposed at an edge of the first liquid cooling plate 271, and a fixing hole 241 is formed in the fixing member. The position of the fixing hole 241 is adapted to the position of the connection hole 2321 on the connection portion 232 of the support assembly 230, and the first liquid cooling plate 271 is connected with the support assembly 230 through the fixing hole 241, the connection hole 2321 and the connection member. Wherein the connection member may include a bolt and a nut.
In addition, in the present embodiment, the electric vehicle battery module 20 further includes a second liquid cooling plate 272, and the second liquid cooling plate 272 is disposed between the second sub-module 220 and the bottom of the battery case 30.
Optionally, the electric vehicle battery module 20 further includes a first heat conductive pad 281 and a second heat conductive pad 282, the first heat conductive pad 281 is disposed between the first liquid cooling plate 271 and the first sub-module 210, and the second heat conductive pad 282 is disposed between the second liquid cooling plate 272 and the second sub-module 220. The first and second heat conductive pads 281 and 282 facilitate heat conduction of the battery modules, so that the first and second liquid cooling plates 271 and 272 perform heat management of the corresponding battery modules.
Further, in this embodiment, the electric vehicle battery module 20 further includes a cushion 290, and the cushion 290 is disposed between the second liquid cooling plate 272 and the bottom of the battery box 30.
In summary, in the electric vehicle battery module 20 and the power supply device provided in the embodiments of the present application, the first sub-module 210 and the second sub-module 220 form a dual-layer module structure, and the supporting effect of the dual-layer module is achieved by using the supporting members, and in addition, the fixing assemblies 240 disposed at two ends of each supporting member are utilized to connect each supporting member so that the plurality of supporting members are located on the same plane. The battery module realizes the stable connection of the double-layer module through the supporting component 230 and the fixing component 240, and is beneficial to improving the service performance of the electric vehicle.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The electric vehicle battery module is characterized by being applied to a power supply device, wherein the power supply device comprises a battery box body, the electric vehicle battery module can be arranged in the battery box body, and comprises a plurality of first sub-modules, a plurality of second sub-modules, a plurality of supporting components and fixing components, wherein the plurality of first sub-modules are arranged in parallel, and the plurality of second sub-modules are arranged in parallel;
the second sub-module is positioned in the battery box body and arranged at the bottom of the battery box body, the supporting component is arranged at one side of the second sub-module far away from the bottom of the battery box body, and the first sub-module is arranged at one side of the supporting component far away from the second sub-module;
the support assembly comprises a flat plate, a first end part and a second end part, wherein the first end part and the second end part are arranged on the flat plate and are oppositely arranged, a plurality of through holes are formed in the flat plate, the flat plate is arranged between the first sub-module and the second sub-module, the first end part and the second end part are respectively provided with a connecting part, and connecting holes are formed in the connecting parts;
the fixing component is provided with a fixing hole matched with the connecting hole, the fixing component is connected to the connecting part and is connected with the supporting component through the connecting hole, the fixing hole and a connecting piece, and the connecting piece comprises a bolt and a nut;
the electric vehicle battery module further comprises a connecting beam and a connecting cross beam, wherein the connecting beam is used for connecting the first sub-module and the second sub-module, and the connecting cross beam is used for connecting two adjacent first sub-modules;
the connecting beam comprises a beam body, and a first connecting sheet and a second connecting sheet which are respectively arranged at two opposite ends of the beam body, wherein the first connecting sheet and the second connecting sheet are arranged in parallel and are respectively arranged vertically with the beam body, the first connecting sheet stretches into the first connecting clamping plate to be connected with the first sub-module, and the second connecting sheet stretches into the second connecting clamping plate to be connected with the second sub-module;
the connecting beam comprises a beam body, and a first connecting plate and a second connecting plate which are respectively arranged at two opposite ends of the beam body, wherein the first connecting plate and the second connecting plate are positioned on the same plane, the plane is perpendicular to the plane where the beam body is positioned, and the first connecting plate and the second connecting plate respectively extend into first connecting clamping plates of two adjacent first sub-modules to connect the two adjacent first sub-modules.
2. The electric vehicle battery module of claim 1, wherein the through-holes comprise a plurality of first through-holes and a plurality of second through-holes, the plurality of first through-holes being disposed in parallel at a middle position of the flat plate, the second through-holes being disposed perpendicular to the first through-holes, the second through-holes being disposed at opposite third and fourth ends of the flat plate.
3. The electric vehicle battery module of claim 1, further comprising a first liquid cooling plate disposed between the support assembly and the first sub-module;
the border of first liquid cooling board is provided with the mounting, the fixed orifices has been seted up on the mounting, the position of fixed orifices with the position adaptation of connecting hole on the connecting portion, first liquid cooling board passes through the fixed orifices connecting hole and connecting piece with the supporting component is connected.
4. The electric vehicle battery module according to claim 1, wherein the fixing component is further provided with a fastening hole, one end of the first sub-module is provided with a first fastening plate, the first fastening plate is provided with a first fastening through hole, and the opening direction of the first fastening through hole is consistent with the opening direction of the fastening hole;
one end of the second sub-module is provided with a second fastening plate, a second fastening through hole is formed in the second fastening plate, and the forming direction of the second fastening through hole is consistent with the forming direction of the fastening hole;
the electric vehicle battery module further comprises a long screw rod, and one end of the long screw rod sequentially penetrates through the first fastening through hole, the fastening hole and the second fastening through hole to connect the first sub-module, the fixing assembly and the second sub-module.
5. The electric vehicle battery module of claim 3, further comprising a second liquid cooling plate disposed between the second sub-module and the bottom of the battery case.
6. The electric vehicle battery module of claim 5, further comprising a first thermal pad disposed between the first liquid cooling plate and the first sub-module and a second thermal pad disposed between the second liquid cooling plate and the second sub-module.
7. The electric vehicle battery module of claim 5, further comprising a cushion disposed between the second liquid cooling plate and a bottom of the battery compartment.
8. An electric vehicle power supply device, characterized by comprising a battery box body and the electric vehicle battery module set according to any one of claims 1-7, wherein the electric vehicle battery module set is arranged in the battery box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810472594.4A CN108711596B (en) | 2018-05-15 | 2018-05-15 | Battery module and power supply device of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810472594.4A CN108711596B (en) | 2018-05-15 | 2018-05-15 | Battery module and power supply device of electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN108711596A CN108711596A (en) | 2018-10-26 |
| CN108711596B true CN108711596B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810472594.4A Active CN108711596B (en) | 2018-05-15 | 2018-05-15 | Battery module and power supply device of electric vehicle |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209104238U (en) * | 2018-12-29 | 2019-07-12 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN112018285B (en) * | 2019-05-31 | 2022-04-15 | 比亚迪股份有限公司 | Module mounting beam for battery pack, battery pack and vehicle |
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| CN206639831U (en) * | 2017-03-11 | 2017-11-14 | 深圳市沃特玛电池有限公司 | A kind of battery temperature control device |
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| CN207282570U (en) * | 2017-09-27 | 2018-04-27 | 芜湖天量电池系统有限公司 | A kind of bilayer power battery structure |
| CN208062145U (en) * | 2018-05-15 | 2018-11-06 | 华霆（合肥）动力技术有限公司 | Battery of electric vehicle module and supply unit |
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| CN108711596A (en) | 2018-10-26 |
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