CN114069108A - Cold drawing structure suitable for cylindrical battery - Google Patents
Cold drawing structure suitable for cylindrical battery Download PDFInfo
- Publication number
- CN114069108A CN114069108A CN202111199388.9A CN202111199388A CN114069108A CN 114069108 A CN114069108 A CN 114069108A CN 202111199388 A CN202111199388 A CN 202111199388A CN 114069108 A CN114069108 A CN 114069108A
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- China
- Prior art keywords
- plate
- water
- cooling
- cold
- cylindrical battery
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- 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.)
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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
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
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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
Abstract
The invention discloses a cold plate structure suitable for a cylindrical battery, which relates to the technical field of cylindrical battery heat dissipation plates and comprises a support enclosing plate in an annular structure, wherein a water-cooling upper plate is fixedly arranged at the upper end of the support enclosing plate, a water-cooling lower plate is fixedly arranged at the lower end of the support enclosing plate, a cold liquid flow channel is formed between the water-cooling upper plate and the water-cooling lower plate, and cooling liquid for dissipating heat of the cylindrical battery flows in the cold liquid flow channel; the water-cooling upper plate comprises a corrugated plate, and flat plates are fixedly arranged at two ends of the corrugated plate; the structure of the water-cooling lower plate is the same as that of the water-cooling upper plate; the arc-shaped grooves of the corrugated plate are attached to the surface of the battery core of the cylindrical battery, the arc-shaped grooves are tightly attached to the surface of the battery, the heat conduction effect is effectively ensured, the heat dissipation effect is improved, the contact area between the arc-shaped grooves and the surface of the battery is increased by the structure attached to the surface of the battery, and the heat dissipation effect on the battery is further improved.
Description
Technical Field
The invention relates to the technical field of cylindrical battery cooling plates, in particular to a cold plate structure suitable for a cylindrical battery.
Background
The battery module is as new energy automobile's power supply, provides power incessant in the use for the car, and the core assembly electricity core that constitutes the module simultaneously also can constantly give off the heat, if the heat can not in time give off will influence the life of module, even the emergence accident.
At present, a liquid cooling plate mainly takes an upper plate as a flat plate and a lower plate as a stretching plate, a flow channel is formed after brazing, cooling liquid is introduced to cool a battery core, and the liquid cooling plate can cool a square battery; cylindrical battery adopts the heat dissipation of liquid cooling pipe more, and the liquid cooling pipe is laminated with electric core surface after the punching press, but the liquid cooling pipe structure is complicated, and production manufacturability is relatively poor, and electric core need vertically upwards put, and the position degree requires highly.
Disclosure of Invention
The invention aims to provide a cold plate structure suitable for a cylindrical battery, wherein the liquid cooling plate adopts a structure that both a water-cooling upper plate and a water-cooling lower plate are in copying shape with a battery core; the water inlet and the water outlet of the cold liquid flow channel are respectively provided with a joint, the cooling liquid flows in from the water inlet, and the cooling liquid flows out from the water outlet to form circulation, so that the battery cell is ensured to be at the optimum working temperature.
The purpose of the invention can be realized by the following technical scheme:
a cold plate structure suitable for a cylindrical battery comprises a supporting enclosing plate in an annular structure, wherein a water-cooling upper plate is fixedly arranged at the upper end of the supporting enclosing plate, a water-cooling lower plate is fixedly arranged at the lower end of the supporting enclosing plate, a cold liquid flow channel is formed between the water-cooling upper plate and the water-cooling lower plate, and cooling liquid for dissipating heat of the cylindrical battery flows in the cold liquid flow channel;
the water-cooling upper plate comprises a corrugated plate, and flat plates are fixedly arranged at two ends of the corrugated plate;
the structure of the water-cooling lower plate is the same as that of the water-cooling upper plate.
As a further scheme of the invention: the water-cooling upper plate, the water-cooling lower plate and the supporting coaming are fixedly welded through brazing.
As a further scheme of the invention: a water inlet connector is arranged on a flat plate on one side of the water-cooling upper plate, and a drainage connector is arranged on one side, far away from the water inlet connector, of the water-cooling lower plate.
As a further scheme of the invention: the water inlet joint is communicated with the water outlet end of the external circulating water cooling device, and the water discharge joint is communicated with the water inlet end of the external circulating water cooling device.
As a further scheme of the invention: the arc-shaped groove of the corrugated plate is attached to the surface of the battery core of the cylindrical battery.
As a further scheme of the invention: and a heat-conducting plate is arranged in the cold liquid flow passage and is fixedly arranged on the water-cooling lower plate.
As a further scheme of the invention: the heat-conducting plate is provided with a plurality of groups and is evenly distributed on the water-cooling lower plate.
The invention has the beneficial effects that:
(1) the water-cooling upper plate, the water-cooling lower plate and the supporting enclosing plate are fixedly welded through brazing, production and assembly are convenient, the cold plate structure is welded in a brazing mode, the overall strength after welding is effectively guaranteed, meanwhile, the sealing performance of welding is guaranteed, and the situation that the cold plate structure leaks due to the fact that welding gaps exist is prevented.
(2) The cold plates are arranged in an upper group and a lower group, the cylindrical battery is horizontally placed, the upper cold plate and the lower cold plate are attached to the upper end and the lower end of the cylindrical battery respectively, water-cooling heat dissipation is carried out on the two ends of the cylindrical battery, and the contact area between the cold plates and the cylindrical battery is increased so as to improve the heat dissipation effect.
(3) The arc recess of buckled plate laminates with cylindrical battery's electric core surface mutually, effectively ensures heat-conduction effect with the inseparable laminating on battery surface to improve the radiating effect, and this kind of structure with battery surface laminating mutually improves with the area of contact on battery surface, further improves the radiating effect to the battery.
(4) The heat that the battery gived off is conducted through setting up the heat-conducting plate, and the heat-conducting plate improves the bulk strength of cold drawing on the one hand, and on the other hand improves the speed of giving off to the heat to effectively improve the whole radiating effect to the battery.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention as a whole;
fig. 2 is a schematic view of the internal structure of the present invention.
In the figure: 1. water-cooling the upper plate; 11. a corrugated plate; 12. a flat plate; 2. water-cooling the lower plate; 3. supporting a coaming; 4. a water inlet joint; 5. a water discharge joint; 6. a cold liquid flow passage; 7. a heat conducting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention is a cold plate structure for a cylindrical battery, wherein the cold plates are provided with an upper set and a lower set, the cylindrical battery is horizontally disposed, the upper set and the lower set of cold plates are respectively attached to the upper end and the lower end of the cylindrical battery, and perform water cooling heat dissipation on both ends of the cylindrical battery, so as to increase the contact area with the cylindrical battery and improve the heat dissipation effect, and the cylindrical battery is horizontally disposed and has a height lower than that of the vertically disposed cylindrical battery, thereby reducing the height of the whole battery module and improving the stability of battery installation.
The cold plate structure comprises a supporting enclosing plate 3 in an annular structure, a water-cooling upper plate 1 is fixedly arranged at the upper end of the supporting enclosing plate 3, a water-cooling lower plate 2 is fixedly arranged at the lower end of the supporting enclosing plate 3, a cold liquid flow channel 6 is formed between the water-cooling upper plate 1 and the water-cooling lower plate 2, cooling liquid for radiating the cylindrical battery flows in the cold liquid flow channel 6, the water-cooling upper plate 1, the water-cooling lower plate 2 and the supporting enclosing plate 3 are fixedly welded through brazing, the cold plate structure is welded in a brazing mode, the overall strength after welding is effectively ensured, meanwhile, the sealing performance of welding is ensured, and the cold plate structure is prevented from leaking due to a welding gap;
the water-cooling upper plate 1 comprises corrugated plates 11, and flat plates 12 are fixedly arranged at two ends of each corrugated plate 11; the structure of water-cooling hypoplastron 2 is the same with water-cooling upper plate 1 structure, wherein water-cooling upper plate 1 and water-cooling hypoplastron 2 all adopt the mode integrated into one piece of mould punching press, ensure the bulk strength of structural slab, effectively improve the sealing performance of machining efficiency and panel simultaneously, the arc recess of buckled plate 11 is laminated with cylindrical battery's electric core surface mutually, effectively ensure heat-conduction effect with the inseparable laminating on battery surface, thereby improve the radiating effect, and this kind of structure with laminating mutually on battery surface improves with the area of contact on battery surface, further improve the radiating effect to the battery.
A water inlet connector 4 is arranged on a flat plate 12 on one side of the water-cooling upper plate 1, and a water drainage connector 5 is arranged on one side, far away from the water inlet connector 4, of the water-cooling lower plate 2. The water inlet connector 4 is communicated with the water outlet end of the external circulating water cooling device, the water discharging connector 5 is communicated with the water inlet end of the external circulating water cooling device, and the external circulating water cooling device is used for cooling the cooling liquid flowing inside the cold plate structure, so that the cooling liquid can be recycled, energy is effectively saved, and continuous heat dissipation of the battery is realized.
A heat conducting plate 7 is arranged in the cold liquid flow passage 6, and the heat conducting plate 7 is fixedly arranged on the water-cooling lower plate 2. The heat-conducting plate 7 is provided with multiunit and evenly distributed on the water-cooling hypoplastron 2, conducts the heat that the battery gived off through setting up the heat-conducting plate 7, and the heat-conducting plate 7 improves the bulk strength of cold drawing on the one hand, and on the other hand improves the speed of giveing off to thermal to effectively improve the whole radiating effect to the battery.
The cylindrical battery is cooled by the PCM plate, holes with the same size as the single battery are dug in the plate according to the outer diameter of the battery, the battery cell is placed in the holes, the physical state of the PCM plate changes along with the temperature change, and latent heat is released, so that heat dissipation of the battery cell is realized.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The cold plate structure is characterized by comprising a supporting enclosing plate (3) in an annular structure, wherein a water-cooling upper plate (1) is fixedly arranged at the upper end of the supporting enclosing plate (3), a water-cooling lower plate (2) is fixedly arranged at the lower end of the supporting enclosing plate (3), a cold liquid flow channel (6) is formed between the water-cooling upper plate (1) and the water-cooling lower plate (2), and cooling liquid for dissipating heat of the cylindrical battery flows in the cold liquid flow channel (6);
the water-cooling upper plate (1) comprises a corrugated plate (11), and flat plates (12) are fixedly arranged at two ends of the corrugated plate (11);
the structure of the water-cooling lower plate (2) is the same as that of the water-cooling upper plate (1).
2. The cold plate structure suitable for the cylindrical battery is characterized in that the water-cooled upper plate (1), the water-cooled lower plate (2) and the supporting enclosing plate (3) are fixedly welded through brazing.
3. The cold plate structure suitable for the cylindrical battery is characterized in that a water inlet connector (4) is arranged on a flat plate (12) on one side of the water-cooled upper plate (1), and a water outlet connector (5) is arranged on one side of the water-cooled lower plate (2) far away from the water inlet connector (4).
4. The cold plate structure suitable for the cylindrical battery is characterized in that the water inlet connector (4) is communicated with the water outlet end of the external circulating water cooling device, and the water outlet connector (5) is communicated with the water inlet end of the external circulating water cooling device.
5. The cold plate structure suitable for the cylindrical battery according to claim 1, wherein the arc-shaped grooves of the corrugated plate (11) are attached to the cell surface of the cylindrical battery.
6. The cold plate structure suitable for the cylindrical battery is characterized in that a heat conducting plate (7) is arranged in the cold liquid flow channel (6), and the heat conducting plate (7) is fixedly arranged on the water-cooled lower plate (2).
7. A cold plate structure suitable for cylindrical batteries according to claim 6, characterized in that said heat-conducting plates (7) are provided with a plurality of groups and are uniformly distributed on the water-cooled lower plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111199388.9A CN114069108A (en) | 2021-10-14 | 2021-10-14 | Cold drawing structure suitable for cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111199388.9A CN114069108A (en) | 2021-10-14 | 2021-10-14 | Cold drawing structure suitable for cylindrical battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114069108A true CN114069108A (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111199388.9A Pending CN114069108A (en) | 2021-10-14 | 2021-10-14 | Cold drawing structure suitable for cylindrical battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114069108A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130295422A1 (en) * | 2011-01-26 | 2013-11-07 | Lg Chem, Ltd. | Cooling member of improved assembly efficiency and battery module employed with the same |
| CN105428752A (en) * | 2015-11-24 | 2016-03-23 | 周哲明 | Cylindrical battery water-cooled radiator |
| CN208242088U (en) * | 2018-06-04 | 2018-12-14 | 常州贺斯特科技股份有限公司 | The liquid cooling plate of multi-layer flow channels |
| CN208489335U (en) * | 2018-08-14 | 2019-02-12 | 北京北交新能科技有限公司 | A kind of water-cooled plate |
-
2021
- 2021-10-14 CN CN202111199388.9A patent/CN114069108A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130295422A1 (en) * | 2011-01-26 | 2013-11-07 | Lg Chem, Ltd. | Cooling member of improved assembly efficiency and battery module employed with the same |
| CN105428752A (en) * | 2015-11-24 | 2016-03-23 | 周哲明 | Cylindrical battery water-cooled radiator |
| CN208242088U (en) * | 2018-06-04 | 2018-12-14 | 常州贺斯特科技股份有限公司 | The liquid cooling plate of multi-layer flow channels |
| CN208489335U (en) * | 2018-08-14 | 2019-02-12 | 北京北交新能科技有限公司 | A kind of water-cooled plate |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 17, Fangxing Road, Laofeng Town, Economic and Technological Development Zone, Anqing City, Anhui Province, 246000 Applicant after: Anhui Xinfu New Energy Technology Co.,Ltd. Applicant after: Anhui Huanxin Group Co.,Ltd. Address before: 246000 zone 16, Yingbin Avenue, development zone, Anqing City, Anhui Province Applicant before: ANHUI XINFU NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: Anhui Huanxin Group Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220926 Address after: No. 17, Fangxing Road, Laofeng Town, Economic and Technological Development Zone, Anqing City, Anhui Province, 246000 Applicant after: Anhui Xinfu New Energy Technology Co.,Ltd. Address before: No. 17, Fangxing Road, Laofeng Town, Economic and Technological Development Zone, Anqing City, Anhui Province, 246000 Applicant before: Anhui Xinfu New Energy Technology Co.,Ltd. Applicant before: Anhui Huanxin Group Co.,Ltd. |
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| TA01 | Transfer of patent application right |