CN109066005B - Liquid cooling battery module with elastic support structure - Google Patents
Liquid cooling battery module with elastic support structure Download PDFInfo
- Publication number
- CN109066005B CN109066005B CN201810797062.8A CN201810797062A CN109066005B CN 109066005 B CN109066005 B CN 109066005B CN 201810797062 A CN201810797062 A CN 201810797062A CN 109066005 B CN109066005 B CN 109066005B
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- Prior art keywords
- battery module
- plate
- elastic
- supporting plate
- liquid cooling
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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
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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
- H01M10/65—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
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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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
- 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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- 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 invention relates to a liquid-cooled battery module with an elastic supporting structure, which comprises a battery module, wherein the bottom of the battery module is sequentially provided with a composite heat-conducting silica gel pad, a liquid-cooled plate and the elastic supporting structure; the elastic supporting structure comprises a supporting plate and a plurality of elastic elements, and the elastic elements are arranged below the supporting plate; the elastic element comprises a flat plate, a rectangular hole is formed in the middle of the flat plate, four arc-shaped pieces are arranged on the periphery of the rectangular hole on the lower surface of the flat plate, and the bottom surfaces of the four arc-shaped pieces are positioned on the same plane; the upper surface of the flat plate is provided with a plurality of clamping grooves matched with the buckles and positioning holes matched with the positioning columns around the periphery of the rectangular hole; the invention can ensure that the liquid cooling plate is tightly attached to the battery module for a long time, simultaneously has good buffering effect, and ensures the stability and the service life of the battery.
Description
Technical Field
The invention relates to the technical field of thermal management of power batteries of electric automobiles, in particular to a liquid-cooled battery module with an elastic supporting structure.
Background
The liquid cooling plate of the power battery liquid cooling system is generally provided with a supporting structure, so that the liquid cooling plate is ensured to be tightly attached to the battery module, the thermal contact resistance between the liquid cooling plate and the battery module is reduced, and a buffering effect is achieved. However, at present, foam is frequently used as a supporting structure, but due to poor ageing resistance, after long-time compression, the resilience of the foam is obviously reduced, so that the thermal contact resistance between the liquid cooling plate and the battery module is increased, and the buffering effect is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a liquid cooling battery module with an elastic supporting structure, which can ensure that a liquid cooling plate is tightly attached to the battery module for a long time, has a good buffering effect, and ensures the stability and the service life of a battery.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a liquid cooling battery module with elastic support structure, includes the battery module and sets up in the liquid cooling board of battery module bottom, still includes:
the composite heat-conducting silica gel pad is arranged between the battery module and the liquid cooling plate;
the elastic support structure comprises a support plate and a plurality of elastic elements arranged at the bottom of the support plate; the edge of two sides of the supporting plate is symmetrically provided with a plurality of arc-shaped clamping jaws, the inner surfaces of the arc-shaped clamping jaws are matched with the side edge of the liquid cooling plate, and the supporting plate is arranged at the bottom of the liquid cooling plate through the arc-shaped clamping jaws; the lower surface of the supporting plate is provided with at least one group of positioning structures, and each positioning structure comprises two rows of buckles and a positioning column positioned between the two rows of buckles;
the elastic element comprises a flat plate, a rectangular hole is formed in the middle of the flat plate, four arc-shaped pieces are arranged on the periphery of the rectangular hole on the lower surface of the flat plate, and the bottom surfaces of the four arc-shaped pieces are positioned on the same plane; the upper surface of the flat plate is provided with a plurality of clamping grooves matched with the buckles and positioning holes matched with the positioning columns around the periphery of the rectangular hole; the elastic elements are arranged on the lower surface of the supporting plate through the clamping grooves and the positioning holes, and the upper surface of the flat plate is attached to the lower surface of the supporting plate.
Furthermore, the upper surface and the lower surface of the supporting plate are parallel to each other, a plurality of rows of upper weight reducing grooves which are parallel to each other are uniformly distributed on the upper surface of the supporting plate, and two rows of lower weight reducing grooves which are parallel to each other are symmetrically arranged on the lower surface of the supporting plate on two sides of each row of buckles.
Furthermore, the upper weight reduction groove and the lower weight reduction groove are both U-shaped grooves.
Furthermore, the positioning column is a cylinder, and a cylindrical hole is formed in the center of the cylinder.
The invention has the following beneficial effects: according to the invention, the composite heat-conducting silica gel pad is added between the battery module and the liquid cooling plate, and the composite heat-conducting silica gel pad can fill a gap caused by the flatness and the roughness of the battery module and the liquid cooling plate, so that the heat-conducting effect is improved; meanwhile, an elastic supporting structure consisting of a supporting plate and an elastic element is arranged at the bottom of the liquid cooling plate, the elastic element is in surface contact with the supporting plate, a rectangular hole is formed in the middle of a flat plate, arc-shaped pieces bent at a certain angle are arranged on the periphery below the rectangular hole, and the bottom surfaces of the arc-shaped pieces are flush, so that the elastic element and the supporting plate are uniformly stressed, and the stress concentration phenomenon of the elastic element and the supporting plate is eliminated; adopt a plurality of elastic element to be connected with the backup pad simultaneously, fixed to the buckle through the draw-in groove, the reference column is to the spacing combination form of locating hole, under the condition that partial elastic element became invalid, also can provide the effectual holding power of liquid cold drawing, and the reliability is higher to a plurality of elastic element form multi-thread contact with the bottom half at battery module place, have ensured the stability of elastic support structure installation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a resilient support structure;
FIG. 3 is a schematic view of the upper surface structure of the support plate;
FIG. 4 is a schematic view of the lower surface of the support plate;
FIG. 5 is a schematic view of the upper surface structure of the elastic element;
fig. 6 is a schematic view of the mounting of the elastic member to the support plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1, the liquid-cooled battery module with an elastic support structure includes a battery module 10, and a liquid-cooled plate 30, a composite thermal conductive silicone pad 20 and an elastic support structure 40 sequentially disposed at the bottom of the battery module. The composite heat-conducting silica gel pad 20 can fill the gap caused by the flatness and roughness of the battery module 10 and the liquid cooling plate 30, and increase the heat-conducting effect.
Referring to fig. 2, the illustrated elastic support structure 40 includes a support plate 41 and a plurality of elastic members 42 mounted at the bottom of the support plate 41. The elastic element 42 can provide a lasting supporting force, so that the liquid cooling plate 30 and the battery module 10 are tightly attached to each other, and a good heat transfer effect is ensured.
Referring to fig. 3, six arc-shaped clamping jaws 410 are symmetrically arranged on the edges of the two sides of the supporting plate 41, and the inner surfaces of the arc-shaped clamping jaws 410 are matched with the edges of the liquid cooling plate 30, so that the supporting plate 41 and the liquid cooling plate 30 are firmly fixed with each other, and the supporting plate 41 is mounted at the bottom of the liquid cooling plate 30 through the arc-shaped clamping jaws 410.
Referring to fig. 4, two sets of positioning structures are disposed on the lower surface of the supporting plate 41, and the positioning structures include two rows of fasteners 412 and positioning pillars 413 located between the two rows of fasteners 412.
As a preferred embodiment of this embodiment, the upper surface and the lower surface of the supporting plate 41 are parallel to each other, and a plurality of rows of upper weight-reducing slots 411 which are parallel to each other are uniformly distributed on the upper surface of the supporting plate 41, and two rows of lower weight-reducing slots 414 which are parallel to each other are symmetrically arranged on the lower surface of the supporting plate 41 on two sides of each row of buckles 412; the upper weight-reducing slot 411 and the lower weight-reducing slot 414 are both U-shaped slots. The positioning column 413 is a cylinder, and a cylindrical hole is formed in the center of the cylinder.
Referring to fig. 5, the elastic element 42 includes a flat plate 420, a rectangular hole 424 is formed in the middle of the flat plate 420, four arc-shaped members 421 are disposed on the lower surface of the flat plate 420 around the rectangular hole 424, and the bottom surfaces of the four arc-shaped members 421 are located on the same plane. Ensuring that the surface of the flat plate 420 is uniformly stressed during the compression process of the elastic element 42; the bending angle and the bending radius of the arc 421 can be set according to the requirements of the compression height and the supporting force.
Six clamping grooves 422 matched with the clamping buckles 412 and two positioning holes 423 matched with the positioning columns 413 are formed in the upper surface of the flat plate 420 around the periphery of the rectangular hole 424.
Referring to fig. 6, the elastic element 42 is mounted on the lower surface of the supporting plate 41, and the elastic element 42 and the supporting plate 41 are limited by the positioning hole 423 and the positioning post 413, and are connected and fixed with the buckle 412 by the locking groove 422.
The contact surfaces of the support plate 41 and the elastic element 42 are mutually attached to each other in a plane, the arc-shaped piece 42 can ensure that the elastic element 42 and the support plate 41 are uniformly stressed, and the stress concentration phenomenon of the elastic element 42 and the support plate 41 is eliminated. Meanwhile, the form of combining the plurality of elastic elements 42 is adopted, under the condition that part of the elastic elements 42 are failed, effective supporting force can be provided for the liquid cooling plate 30, the reliability is high, and meanwhile, the plurality of elastic elements 42 and the bottom of the box body where the battery module 10 is located form multi-line contact, so that the installation stability of the elastic supporting structure 40 is ensured.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (4)
1. The utility model provides a liquid cooling battery module with elastic support structure, includes the battery module and sets up in the liquid cooling board of battery module bottom, its characterized in that still includes:
the composite heat-conducting silica gel pad is arranged between the battery module and the liquid cooling plate;
the elastic support structure comprises a support plate and a plurality of elastic elements arranged at the bottom of the support plate; the edge of two sides of the supporting plate is symmetrically provided with a plurality of arc-shaped clamping jaws, the inner surfaces of the arc-shaped clamping jaws are matched with the side edge of the liquid cooling plate, and the supporting plate is arranged at the bottom of the liquid cooling plate through the arc-shaped clamping jaws; the lower surface of the supporting plate is provided with at least one group of positioning structures, and each positioning structure comprises two rows of buckles and a positioning column positioned between the two rows of buckles;
the elastic element comprises a flat plate, a rectangular hole is formed in the middle of the flat plate, four arc-shaped pieces are arranged on the periphery of the rectangular hole on the lower surface of the flat plate, and the bottom surfaces of the four arc-shaped pieces are positioned on the same plane; the upper surface of the flat plate is provided with a plurality of clamping grooves matched with the buckles and positioning holes matched with the positioning columns around the periphery of the rectangular hole; the elastic elements are arranged on the lower surface of the supporting plate through the clamping grooves and the positioning holes, and the upper surface of the flat plate is attached to the lower surface of the supporting plate.
2. The liquid-cooled battery module with an elastic supporting structure as claimed in claim 1, wherein the upper surface and the lower surface of the supporting plate are parallel to each other, and the upper surface of the supporting plate is uniformly provided with a plurality of rows of upper weight-reducing grooves parallel to each other, and the lower surface of the supporting plate is symmetrically provided with two rows of lower weight-reducing grooves parallel to each other on two sides of each row of buckles.
3. The liquid-cooled battery module with an elastic support structure as claimed in claim 2, wherein the upper weight-reducing groove and the lower weight-reducing groove are both U-shaped grooves.
4. The liquid-cooled battery module with an elastic support structure as claimed in claim 1, wherein the positioning post is a cylinder and a cylindrical hole is formed at the center of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797062.8A CN109066005B (en) | 2018-07-19 | 2018-07-19 | Liquid cooling battery module with elastic support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797062.8A CN109066005B (en) | 2018-07-19 | 2018-07-19 | Liquid cooling battery module with elastic support structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109066005A CN109066005A (en) | 2018-12-21 |
| CN109066005B true CN109066005B (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810797062.8A Active CN109066005B (en) | 2018-07-19 | 2018-07-19 | Liquid cooling battery module with elastic support structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247132B (en) * | 2019-06-12 | 2021-04-27 | 安徽江淮松芝空调有限公司 | Power battery direct cooling system with plate spring |
| CN111463519B (en) * | 2020-04-08 | 2022-11-22 | 重庆长安新能源汽车科技有限公司 | Battery buffering heat insulation cooling plate, power battery pack and automobile |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011076940A1 (en) * | 2009-12-23 | 2011-06-30 | Magna Steyr Fahrzeugtechnik Ag & Co Kg | Accumulator with voltage-generating cells and i-shaped or h-shaped intermediate element arranged between said cells |
| FR3010834B1 (en) * | 2013-09-18 | 2017-01-27 | Valeo Systemes Thermiques | DEVICE FOR THERMALLY REGULATING A BATTERY PACK |
| CN204932023U (en) * | 2015-07-13 | 2016-01-06 | 明汇 | A kind of hospital patient transferring cart |
| CN205985104U (en) * | 2016-07-14 | 2017-02-22 | 江苏邦德新能源科技有限公司 | Storage battery assembly |
| CN206541871U (en) * | 2017-02-14 | 2017-10-03 | 湖南昌茂电能发展有限公司 | One kind radiating Anti-seismic new energy battery protection case |
| CN107331921B (en) * | 2017-08-18 | 2024-03-19 | 杭州捷能科技有限公司 | Liquid cooling system for battery |
| CN207161995U (en) * | 2017-08-31 | 2018-03-30 | 国家电网公司 | A kind of hydroenergy storage station unit damping device |
| CN107732082A (en) * | 2017-11-15 | 2018-02-23 | 常州普莱德新能源电池科技有限公司 | The support meanss and battery system of electrokinetic cell liquid cooling system |
| CN108039527A (en) * | 2018-01-08 | 2018-05-15 | 华霆（合肥）动力技术有限公司 | Electric commercial vehicle battery component and battery system |
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| CN109066005A (en) | 2018-12-21 |
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