CN210640339U - Battery water-cooling plate structure - Google Patents
Battery water-cooling plate structure Download PDFInfo
- Publication number
- CN210640339U CN210640339U CN201921064800.4U CN201921064800U CN210640339U CN 210640339 U CN210640339 U CN 210640339U CN 201921064800 U CN201921064800 U CN 201921064800U CN 210640339 U CN210640339 U CN 210640339U
- Authority
- CN
- China
- Prior art keywords
- water
- cooling plate
- cooling
- battery
- liquid
- 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.)
- Active
Links
Images
Classifications
-
- 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 utility model discloses a battery water-cooling plate structure, including battery module and water-cooling board, the water-cooling board includes mass flow body, backward flow body, water-cooling plate body, inlet liquid outlet, feed liquor groove, drain tank, water-cooling hole, leads to groove and heat dissipation through-hole, has increased the area of contact of water-cooling plate body and battery module, has add the backward flow body and has changed the water-cooling liquid flow direction, has improved the backward flow body shape and has carried out preliminary heat dissipation. Therefore, the utility model discloses following beneficial effect has: (1) the contact area between the water-cooling plate body and the battery is increased, and the heat dissipation efficiency of the battery is improved; (2) the temperature difference of the batteries in the module is reduced, and the temperature consistency of the batteries in the module is improved; (3) and a heat dissipation node reflux body is added, so that the heat dissipation efficiency of the battery is improved.
Description
Technical Field
The utility model relates to a water-cooling especially relates to a battery water-cooling plate structure.
Background
The power battery is an energy source of the electric automobile, the battery inevitably generates heat in the charging and discharging process, and the performance of the battery is greatly influenced by overhigh or overlow temperature of the battery, such as available electric quantity, service life and charging and discharging efficiency. Therefore, the battery thermal management is well done, and the control of the battery temperature in a proper working temperature range is particularly important.
The liquid cooling scheme utilizes the convection heat transfer of liquid to take away the heat that the battery produced to reach the purpose that reduces the battery temperature. Compared with an air cooling scheme, the heat exchange efficiency of the liquid cooling scheme is greatly improved, and the heat dissipation requirements of most working conditions can be met. But correspondingly, the structural arrangement is complicated and the cost is increased. The liquid cooling scheme is the mainstream scheme of battery pack thermal management at present.
In the existing liquid cooling scheme for the mainstream of square battery modules in the industry, a water cooling plate is laid at the bottom of the module, and a heat conducting pad is laid between the water cooling plate and the square battery. The heat of the battery is firstly transferred to the heat conducting pad and then transferred to the cooling liquid in the water cooling plate, and the heat of the battery is taken away in a circulating mode of the cooling liquid.
For example, a "battery water-cooling radiator" disclosed in chinese patent literature, publication No. CN104332673A includes a round flat adapter, a water pipe, a gasket, and a uniform heat cavity plate, the water pipe is connected behind the round flat adapter, the rear end of the water pipe is connected with an expansion joint, and the gasket and the uniform heat cavity plate are arranged on two sides of the water pipe in an attaching manner.
This patent water-cooling water pipe is little with battery area of contact, and heat dissipation efficiency is not high, and the water pipe meanders on the plane and extends, and the head differs greatly with the afterbody temperature.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power battery water cooling plate structure to overcome the problems of small heat dissipation area, low heat dissipation efficiency and large temperature difference between batteries in the module in the prior art, which increases the heat dissipation area of the batteries and improves the heat dissipation efficiency of the batteries; the temperature difference of the battery in the module is reduced, and the temperature consistency of the battery in the module is improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a battery water-cooling plate structure comprises a battery module and a water-cooling plate, wherein the water-cooling plate comprises a water-cooling plate body, a current collector, a reflux body, a liquid inlet and a liquid outlet, a row of water-cooling holes are arranged in the water-cooling plate body, and the water-cooling plate body covers the bottom of the whole battery module
The water-cooling plate is located the battery module bottom, has heat conduction pad heat conduction between water-cooling plate and the battery module, and the mass flow body is located water-cooling plate body both ends with the backward flow body, links to each other with the water-cooling plate body.
Preferably, a liquid inlet groove and a liquid outlet groove are arranged in the current collector, and a partition plate is arranged between the liquid inlet groove and the liquid outlet groove. The liquid inlet groove and the liquid outlet groove are separated by the partition plate, so that the water cooling liquid of the water cooling plate flows back, and the mixed flow phenomenon cannot occur between the liquid inlet groove and the liquid outlet groove.
Preferably, the liquid inlet and the liquid outlet are positioned on the current collector, the liquid inlet is communicated with the liquid inlet groove, and the liquid outlet is communicated with the liquid outlet groove. The liquid inlet and the liquid outlet are positioned at the same end, so that the water-cooling liquid flows back from the liquid inlet to the liquid outlet.
Preferably, one end of the water-cooling plate body is communicated with the liquid inlet groove and the liquid outlet groove of the current collector, and the other end of the water-cooling plate body is connected with the reflux body (5). The current collector, the water-cooling plate body and the reflux body are connected in sequence to form a water-cooling liquid circulation loop.
Preferably, the water-cooling holes penetrate the water-cooling plate body, and have a rectangular cross section, and walls thinner than other portions are provided between the water-cooling holes. The section of the water cooling hole is rectangular, and the water cooling hole is thin-walled, so that space is utilized to the maximum extent to flow water cooling liquid.
Preferably, the shape of the reflux body is fin-shaped, the inside of the reflux body is hollow, and a through groove is formed to be communicated with the water-cooling plate body. The fluid is positioned at the other end of the water-cooling plate body, the cross section of the water-cooling plate body is semi-elliptical, so that the water-cooling liquid has a larger contact area when flowing through the fluid, the thickness of the fluid is smaller, and the heat dissipation efficiency is increased.
Preferably, the middle part of the reflux body is provided with a heat dissipation through hole. The contact area of the water-cooling liquid passing through the wall of the reflux body and the air is increased when the water-cooling liquid flows through the reflux body.
Therefore, the utility model discloses following beneficial effect has: (1) the contact area between the water-cooling plate body and the battery is increased, and the heat dissipation efficiency of the battery is improved; (2) the temperature difference of the batteries in the module is reduced, and the temperature consistency of the batteries in the module is improved; (3) and a heat dissipation node reflux body is added, so that the heat dissipation efficiency of the battery is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the current collector of the present invention.
Fig. 3 is a schematic cross-sectional view of the water cooling hole of the present invention.
Fig. 4 is a schematic view of the reflux structure of the present invention.
Figure 5 is a schematic cross-sectional view of the reflux of the present invention.
1-battery module, 2-water cooling plate, 3-current collector, 4-reflux body, 5-water cooling plate body, 6-liquid inlet, 7-liquid outlet, 8-liquid inlet groove, 9-liquid outlet groove, 10-water cooling hole, 11-through groove and 12-heat dissipation through hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example (b):
in the embodiment shown in fig. 1 to 4, a battery water-cooling plate structure includes a battery module 1 and a water-cooling plate 2, where the water-cooling plate 2 includes a current collector 3, a reflux body 4, a water-cooling plate body 5, a liquid inlet 6, a liquid outlet 7, a liquid inlet tank 8, a liquid outlet tank 9, and a water-cooling hole 10. The battery module 1 is composed of single batteries and is rectangular, and the water cooling plate 2 is positioned at the bottom of the battery module 1. The water-cooling plate 2 is plate-shaped, covers the bottom of the whole battery module 1, and water-cooling liquid in the water-cooling plate body 5 is distributed over the plate body, so that the contact area between the battery module 1 and the water-cooling plate 2 is increased, and the heat dissipation efficiency of the water-cooling plate 2 is improved.
The mass flow body 3 of water-cooling board 2 is the cuboid form, and inside is equipped with feed liquor groove 8 and goes out liquid groove 9, and the centre is equipped with the baffle, separates feed liquor groove 8 and play liquid groove 9 completely, makes the water-cooling liquid can flow into water-cooling board body 5 from feed liquor groove 8, flows out water-cooling board body 5 from play liquid groove 9, and two grooves pass through the water-cooling liquid mutually noninterfere. The liquid inlet 6 and the liquid outlet 7 are tubular and are positioned at the top of the current collector 3, and water cooling liquid flows into the current collector 3 from the liquid inlet 6 and flows out of the current collector 3 from the liquid outlet 7.
One end of the water-cooling plate body 5 is connected with the current collector 3, and the other end is connected with the reflux body 4. The inside water-cooling hole 10 that is equipped with of water-cooling plate body 5, water-cooling hole 10 cross-section design rectangle, the wall design between water-cooling hole and the water-cooling hole is the thin wall, and the material of being convenient for is saved increases the water-cooling liquid flow, improves the radiating efficiency of water-cooling board. The baffle of the current collector 3 is just aligned with a thin wall of the water-cooling plate body 5, so that the phenomenon of mixed flow of the water-cooling liquid is prevented. The water cooling holes 10 penetrate through the water cooling plate body 5 and are not communicated with each other. The water cooling plate body 5 is designed to be flat, so that the height of the water cooling plate body 5 is reduced, flowing water cooling liquid is thinner, heat generated by the battery module 1 can be completely transmitted to the water cooling liquid at a certain speed of the water cooling liquid, waste of the water cooling liquid is avoided, and the weight of the water cooling plate 2 can be reduced.
The reflux body 4 is hollow inside and can contain water-cooling liquid to flow therein. The whole reflux body 4 is fin-shaped, one side is a plane, and the other side is a fin-shaped arc edge. The plane is provided with a through groove 11 similar to the current collector 3 and used for passing through water cooling liquid, and the difference is that the through groove 11 is not provided with a partition board and can pass left and right in the groove. The fin-shaped arc edge increases the contact area between the air and the shell of the reflux body 4, and improves the heat dissipation efficiency. The middle part of the reflux body 4 is provided with a heat dissipation through hole 12 which is communicated up and down. The inner wall of the heat dissipation through hole 12 and the shell of the reflux body 4 form a closed space, the heat dissipation through hole 12 increases the contact area of air and the shell of the reflux body 4, and the heat dissipation efficiency is improved.
During operation, the water cooling liquid flows into the liquid inlet groove 8 of the current collector 3 through the liquid inlet 6 and then flows into one side of the water cooling plate body 5, and the water cooling holes 10 in the water cooling plate body 5 are not communicated with each other, so that the water cooling liquid flows into the water cooling holes 10 only on one side, and the water cooling plate body 5 absorbs heat of the battery module 1. Then the water cooling liquid flows into the reflux body 4, and primary heat dissipation is carried out through the fin-shaped shell and the heat dissipation through holes. The water-cooling liquid flows out of the reflux body 4, enters the other side of the water-cooling plate body 5, absorbs the heat of the battery module 1, then returns to the current collector 3, flows out of the water-cooling plate through the liquid outlet groove 9 and the liquid outlet 7, and enters the cooling system.
Claims (7)
1. The utility model provides a battery water-cooling plate structure, includes battery module (1) and water-cooling plate (2), characterized by, and water-cooling plate (2) are including the mass flow body (3), backward flow body (4), water-cooling plate body (5), inlet (6) and liquid outlet (7), and the mass flow body (3) is located water-cooling plate body (5) both ends with backward flow body (4), is equipped with water-cooling hole (10) in water-cooling plate body (5), and water-cooling plate body (5) cover whole battery module (1) bottom.
2. The structure of the water-cooling plate for the battery as claimed in claim 1, wherein the current collector (3) is provided with a liquid inlet groove (8) and a liquid outlet groove (9), and a partition plate is arranged between the liquid inlet groove (8) and the liquid outlet groove (9).
3. The structure of the water-cooling plate for the battery as claimed in claim 1 or 2, wherein the liquid inlet (6) and the liquid outlet (7) are positioned on the current collector (3), the liquid inlet (6) is communicated with the liquid inlet groove (8), and the liquid outlet (7) is communicated with the liquid outlet groove (9).
4. The structure of the water-cooling plate for the battery as claimed in claim 1, wherein one end of the water-cooling plate body (5) is communicated with the liquid inlet groove (8) and the liquid outlet groove (9) of the current collector (3), and the other end is communicated with the reflux body (4).
5. The structure of the water-cooling plate for the battery according to claim 1 or 4, wherein the water-cooling holes (10) penetrate through the water-cooling plate body (5) and have a rectangular cross section, and thinner walls are arranged among the water-cooling holes (10) than other parts.
6. The structure of the water-cooling plate for the battery as claimed in claim 1, wherein the reflux body (4) is fin-shaped, hollow inside, and provided with through grooves (11) communicated with the water-cooling plate body (5).
7. The structure of the water-cooling plate for the battery as claimed in claim 1, 4 or 6, wherein the middle part of the reflux body (4) is provided with a heat dissipation through hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064800.4U CN210640339U (en) | 2019-07-09 | 2019-07-09 | Battery water-cooling plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064800.4U CN210640339U (en) | 2019-07-09 | 2019-07-09 | Battery water-cooling plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210640339U true CN210640339U (en) | 2020-05-29 |
Family
ID=70796367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921064800.4U Active CN210640339U (en) | 2019-07-09 | 2019-07-09 | Battery water-cooling plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210640339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121105A1 (en) * | 2020-12-08 | 2022-06-16 | 湖北亿纬动力有限公司 | Cylindrical battery module |
| WO2023142576A1 (en) * | 2022-01-26 | 2023-08-03 | 湖北亿纬动力有限公司 | Cooling plate assembly, liquid cooling module and battery pack |
-
2019
- 2019-07-09 CN CN201921064800.4U patent/CN210640339U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121105A1 (en) * | 2020-12-08 | 2022-06-16 | 湖北亿纬动力有限公司 | Cylindrical battery module |
| WO2023142576A1 (en) * | 2022-01-26 | 2023-08-03 | 湖北亿纬动力有限公司 | Cooling plate assembly, liquid cooling module and battery pack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210640339U (en) | Battery water-cooling plate structure | |
| CN207265190U (en) | Heat-exchanger rig, power battery pack and the electric car of battery pack | |
| CN210668612U (en) | Battery module and battery package | |
| CN214378603U (en) | Heat management device for lithium ion battery of electric vehicle | |
| CN212230549U (en) | Graphene lithium battery structure with heat dissipation function | |
| CN207320173U (en) | A kind of rectangular cell with soakage function | |
| CN113178640A (en) | Energy storage battery constant temperature device and method | |
| CN110247133B (en) | Cooling plate for power battery module and liquid cooling circulation system | |
| CN110635198A (en) | Heat dissipation device of power battery | |
| CN217655950U (en) | Battery core, battery module and vehicle | |
| CN112490569B (en) | Micro-channel type battery liquid cooling structure | |
| CN210805963U (en) | Cooling plate, battery pack, and electric vehicle | |
| CN210443637U (en) | Heat radiation structure of battery module | |
| CN210723286U (en) | High-power lithium battery pack structure in environment below 40 DEG | |
| CN215377508U (en) | Heat radiation structure of power battery pack | |
| CN215377513U (en) | Square power battery pack with heat dissipation and preheating structure | |
| CN219658801U (en) | Microchannel liquid cooling and air cooling composite cooling system for power battery | |
| CN205985083U (en) | Air -cooled cooling system of battery package | |
| CN220652114U (en) | Liquid cooling plate, power battery assembly and vehicle | |
| CN219778992U (en) | Liquid cooling device, battery pack and energy storage power supply | |
| CN216054912U (en) | Battery module thermal management system | |
| CN219004891U (en) | Welding machine internal cooling structure | |
| CN217822980U (en) | Liquid cooling heat insulation assembly and battery module | |
| WO2024082591A1 (en) | Frame heat dissipation structure, and power battery module having same | |
| CN217822988U (en) | Battery box and battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |