CN110739502A - thin-wall cavity liquid cooling structure battery module - Google Patents
thin-wall cavity liquid cooling structure battery module Download PDFInfo
- Publication number
- CN110739502A CN110739502A CN201910845191.4A CN201910845191A CN110739502A CN 110739502 A CN110739502 A CN 110739502A CN 201910845191 A CN201910845191 A CN 201910845191A CN 110739502 A CN110739502 A CN 110739502A
- Authority
- CN
- China
- Prior art keywords
- thin
- wall
- aluminum extruded
- wall cavity
- battery module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange 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
- 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
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a thin-wall cavity liquid cooling structure battery module which comprises a thin-wall cavity liquid cooling structure and a battery cell, wherein the thin-wall cavity liquid cooling structure comprises two aluminum extruded harmonica tubes which are arranged in parallel at intervals and a plurality of rows of thin-wall cavity structures which are arranged between the two aluminum extruded harmonica tubes at intervals and are vertical to the aluminum extruded harmonica tubes, a plurality of spaced circular accommodating parts are arranged on the thin-wall cavity structures, the battery cell is accommodated in the circular accommodating parts, a water inlet is formed in the inner side wall of aluminum extruded harmonica tubes, and a water outlet is formed in the inner side wall of another aluminum extruded harmonica tubes.
Description
The technical field is as follows:
the invention relates to thin-wall cavity liquid cooling structure battery modules, and belongs to the field of battery thermal management.
Background art:
when the power battery is used, the power battery needs to be at a proper temperature to ensure the normal use of the power battery. At present, after batteries are grouped, the problems of serious heating, uneven internal temperature distribution and the like during high-rate charge and discharge exist, and the service life of the batteries is seriously influenced.
At present, most of common heat management adopts an air cooling scheme and a liquid cooling scheme, the problems of temperature uniformity, area pushing, and the like are often difficult to solve by air cooling, and therefore more liquid cooling schemes are adopted.
Cylindrical electric core is because its special circular structure, and the liquid cold plate often can't effectively contact with it to derive the heat that electric core produced, often need slice or coiled pipe winding arrangement to carry out the heat conduction. The snake-shaped flat tube structure is difficult to assemble and position, and the cooling arrangement is a series arrangement mode, so that the pressure drop is large; the temperature difference between the battery monomers close to the water inlet and the water outlet is large.
Therefore, there is a need to improve the prior art to overcome the deficiencies of the prior art.
The invention content is as follows:
the invention provides thin-wall cavity liquid cooling structure battery modules for solving the problems in the prior art.
The technical scheme includes that thin-wall cavity liquid cooling structure battery modules comprise thin-wall cavity liquid cooling structures and battery cores, each thin-wall cavity liquid cooling structure comprises two aluminum extruded harmonica tubes arranged in parallel at intervals and a plurality of rows of thin-wall cavity structures which are arranged between the two aluminum extruded harmonica tubes at intervals and are perpendicular to the aluminum extruded harmonica tubes, a plurality of spaced circular accommodating parts are arranged on each thin-wall cavity structure, the battery cores are accommodated in the circular accommodating parts, a water inlet is formed in the inner side wall of each aluminum extruded harmonica tubes, and a water outlet is formed in the inner side wall of each aluminum extruded harmonica tubes.
, cooling liquid flows through the thin-wall cavity structure, the thin-wall cavity structure comprises an aluminum extruded thin wall which is in contact with the cooling liquid, the outer portion of the aluminum extruded thin wall is coated with a silica gel sleeve, and an electric insulation coating is coated between the aluminum extruded thin wall and the silica gel sleeve.
, several spaced reinforcing ribs for supporting are arranged in the tube.
, the wall thickness of the aluminum extruded harmonica tube is less than 0.5 mm.
, the aluminum extrusion harmonica tube and the thin-wall cavity structure are welded.
, the cooling liquid is a mixture of glycol and water in the mass ratio of 1: 1.
The invention has the following beneficial effects: the water channels in the battery module with the thin-wall cavity liquid cooling structure are connected in parallel by adopting a multi-channel thin-wall cavity structure, so that the pressure drop is small, a pump body is convenient to select, and the battery module is safe and reliable.
Description of the drawings:
fig. 1 is a perspective view of a battery module with a thin-wall chamber liquid-cooled structure according to the present invention.
FIG. 2 is a schematic diagram of a liquid cooling structure with a thin-wall chamber.
FIG. 3 is a schematic diagram of a thin-walled cavity structure.
Fig. 4 is a schematic cross-sectional view of a in fig. 2.
Fig. 5 is a schematic cross-sectional view of an aluminum extruded harmonica tube.
The specific implementation mode is as follows:
the invention is further described in conjunction with the following figures.
The thin-wall cavity liquid cooling structure battery module comprises a thin-wall cavity liquid cooling structure and a battery cell 1, wherein the thin-wall cavity liquid cooling structure comprises two aluminum extruded harmonica tubes 2 which are arranged in parallel at intervals and a plurality of rows of thin-wall cavity structures 3 which are arranged between the two aluminum extruded harmonica tubes 2 at intervals and are vertical to the aluminum extruded harmonica tubes 2, a plurality of spaced circular accommodating parts 4 are arranged on the thin-wall cavity structures 3, the battery cell 1 is accommodated in the circular accommodating parts 4, a water inlet 5 is formed in the inner side wall of aluminum extruded harmonica tubes 2, and a water outlet 6 is formed in the inner side wall of aluminum extruded harmonica tubes 2.
In the thin-wall cavity liquid cooling structure battery module, cooling liquid flows into the aluminum extruded harmonica tubes 2 through the water inlet 5, flows into each branch after being divided by the thin-wall cavity structure 3, is collected into another aluminum extruded harmonica tubes 2, and flows out through the water outlet 6.
The thin-wall cavity liquid cooling structure is formed by welding an aluminum extruded harmonica tube 2 and a thin-wall cavity structure 3.
The cooling liquid flows in a flow channel cavity formed by the aluminum extrusion thin wall of the thin-wall cavity structure 3, and exchanges heat with the electric core 1 through the wall of the aluminum extrusion thin-wall cavity to heat or radiate the electric core.
The coolant is a mixed liquid of ethylene glycol and water at a mass ratio of 1:1, and is a refrigerant that has good compatibility with aluminum and does not solidify even at a low temperature of-40 ℃.
As shown in fig. 4, the thin-walled cavity structure 3 includes an aluminum extrusion thin wall 7 in contact with the cooling liquid, a silicone sleeve 8 is coated on the outside of the aluminum extrusion thin wall 7, and an electrically insulating coating 9 is coated between the aluminum extrusion thin wall 7 and the silicone sleeve 8.
According to the invention, the temperature rise of the battery core and the temperature difference between the battery cores are effectively controlled by effectively attaching the thin-wall cavity structure 3 to the battery core 1, the electric insulation with the cylindrical battery core is realized by coating the electric insulation coating 9 and the silica gel sleeve 8 on the outer side of the aluminum extrusion thin wall 7, and meanwhile, the silica gel sleeve 8 plays a role in buffering and heat conduction, so that the close attachment of the thin-wall cavity structure 3 and the battery core 1 can be ensured, and the heat transfer resistance is reduced.
Fig. 5 is a sectional view of an aluminum extruded harmonica tube, and an internal multi-channel structure, wherein a plurality of spaced reinforcing ribs 10 for supporting are arranged in the aluminum extruded harmonica tube 2, and the wall thickness of the aluminum extruded harmonica tube 2 is smaller than 0.5mm, so that the aluminum extruded harmonica tube is light in weight.
The water channels in the battery module with the thin-wall cavity liquid cooling structure are connected in parallel by adopting a multi-channel thin-wall cavity structure, so that the pressure drop is small, a pump body is convenient to select, and the battery module is safe and reliable.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (6)
- The battery module is characterized by comprising a thin-wall cavity liquid cooling structure and an electric core (1), wherein the thin-wall cavity liquid cooling structure comprises two aluminum extruded harmonica tubes (2) arranged in parallel at intervals and a plurality of rows of thin-wall cavity structures (3) which are arranged between the two aluminum extruded harmonica tubes (2) at intervals and are perpendicular to the aluminum extruded harmonica tubes (2), a plurality of spaced circular accommodating parts (4) are arranged on the thin-wall cavity structures (3), the electric core (1) is accommodated in the circular accommodating parts (4), a water inlet (5) is formed in the inner side wall of each aluminum extruded harmonica tube (2), and a water outlet (6) is formed in the inner side wall of each aluminum extruded harmonica tube (2).
- 2. The thin-walled cavity liquid-cooled structural battery module of claim 1, wherein: the cooling liquid flows through the thin-wall cavity structure (3), the thin-wall cavity structure (3) comprises an aluminum extrusion thin wall (7) which is in contact with the cooling liquid, a silica gel sleeve (8) is coated on the outer portion of the aluminum extrusion thin wall (7), and an electric insulation coating (9) is coated between the aluminum extrusion thin wall (7) and the silica gel sleeve (8).
- 3. The thin-walled cavity liquid-cooled structural battery module of claim 2, wherein: a plurality of spaced reinforcing ribs (10) for supporting are arranged in the aluminum extruded harmonica tube (2).
- 4. The thin-walled cavity liquid-cooled structural battery module of claim 3, wherein: the wall thickness of the aluminum extruded harmonica tube (2) is less than 0.5 mm.
- 5. The thin-walled cavity liquid-cooled structural battery module of claim 4, wherein: the aluminum extruded harmonica tube (2) is welded with the thin-wall cavity structure (3).
- 6. The thin-walled cavity liquid-cooled structural battery module of claim 5, wherein: the cooling liquid is a mixed liquid of ethylene glycol and water in a mass ratio of 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845191.4A CN110739502A (en) | 2019-09-08 | 2019-09-08 | thin-wall cavity liquid cooling structure battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845191.4A CN110739502A (en) | 2019-09-08 | 2019-09-08 | thin-wall cavity liquid cooling structure battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110739502A true CN110739502A (en) | 2020-01-31 |
Family
ID=69267515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910845191.4A Pending CN110739502A (en) | 2019-09-08 | 2019-09-08 | thin-wall cavity liquid cooling structure battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110739502A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115764066A (en) * | 2022-11-25 | 2023-03-07 | 楚能新能源股份有限公司 | Cylindrical battery liquid cooling module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6448741B1 (en) * | 1998-09-03 | 2002-09-10 | Matsushita Electric Industrial Co., Ltd. | Temperature control method and structure for a battery pack |
| CN108258367A (en) * | 2018-03-21 | 2018-07-06 | 北京工业大学 | A kind of snakelike flat tube liquid cooling battery module |
| CN108281732A (en) * | 2018-03-07 | 2018-07-13 | 天臣新能源研究南京有限公司 | A kind of novel multi-path thin-walled straight tube structured liquid chill group |
| CN208208924U (en) * | 2018-03-22 | 2018-12-07 | 中能绿驰成都汽车科技有限公司 | A kind of novel battery mould group cooling structure |
| CN208225936U (en) * | 2018-03-20 | 2018-12-11 | 天臣新能源研究南京有限公司 | A kind of liquid cooling mould group of novel belt runner supporting structure |
| CN208256859U (en) * | 2018-06-12 | 2018-12-18 | 威马智慧出行科技（上海）有限公司 | A kind of battery core cooling device and battery system |
-
2019
- 2019-09-08 CN CN201910845191.4A patent/CN110739502A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6448741B1 (en) * | 1998-09-03 | 2002-09-10 | Matsushita Electric Industrial Co., Ltd. | Temperature control method and structure for a battery pack |
| CN108281732A (en) * | 2018-03-07 | 2018-07-13 | 天臣新能源研究南京有限公司 | A kind of novel multi-path thin-walled straight tube structured liquid chill group |
| CN208225936U (en) * | 2018-03-20 | 2018-12-11 | 天臣新能源研究南京有限公司 | A kind of liquid cooling mould group of novel belt runner supporting structure |
| CN108258367A (en) * | 2018-03-21 | 2018-07-06 | 北京工业大学 | A kind of snakelike flat tube liquid cooling battery module |
| CN208208924U (en) * | 2018-03-22 | 2018-12-07 | 中能绿驰成都汽车科技有限公司 | A kind of novel battery mould group cooling structure |
| CN208256859U (en) * | 2018-06-12 | 2018-12-18 | 威马智慧出行科技（上海）有限公司 | A kind of battery core cooling device and battery system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115764066A (en) * | 2022-11-25 | 2023-03-07 | 楚能新能源股份有限公司 | Cylindrical battery liquid cooling module |
| CN115764066B (en) * | 2022-11-25 | 2023-10-10 | 楚能新能源股份有限公司 | Cylindrical battery liquid cooling module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108258367B (en) | Snakelike flat tube liquid cooling battery module | |
| CN109546265A (en) | Battery liquid cooling radiator structure and power supply device | |
| CN114094228A (en) | Power battery thermal management system based on phase-change material composite soaking plate | |
| CN105870372A (en) | Cylindrical battery pack | |
| CN111540927B (en) | Metal fuel cell system | |
| CN213546416U (en) | Liquid cooling board and battery package | |
| CN109004302A (en) | A kind of fin punched-type cylindrical battery group, battery combination and battery group pattern | |
| CN217507473U (en) | Battery pack | |
| CN104733799A (en) | Harmonica channel type heat exchanger | |
| CN110739502A (en) | thin-wall cavity liquid cooling structure battery module | |
| CN213878202U (en) | Cylindrical battery cell external and central cooling structure | |
| CN212695218U (en) | Blade power battery liquid cooling module | |
| CN114335805A (en) | Power battery module of integrated liquid cooling board subassembly | |
| CN111326766A (en) | Fuel cell system cathode preheating device | |
| CN210723286U (en) | High-power lithium battery pack structure in environment below 40 DEG | |
| CN219144456U (en) | Battery pack | |
| CN209592256U (en) | Battery liquid cooling radiator structure and power supply device | |
| CN208111627U (en) | A kind of cooling battery module of snakelike flat tube liquid | |
| CN215771268U (en) | Heat dissipation mechanism for new energy automobile battery management | |
| CN204407445U (en) | Mouth organ channel-type heat exchanger | |
| CN110277606B (en) | Power battery pack and vehicle with same | |
| WO2024087016A1 (en) | Battery cooling plate and battery module | |
| CN111162350A (en) | Battery box with PTC heating plate and heat pipe integrated structure | |
| CN216671754U (en) | Power battery and vehicle with same | |
| CN216671797U (en) | Power battery module of integrated liquid cooling board subassembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200131 |
|
| RJ01 | Rejection of invention patent application after publication |