CN219163487U - Liquid cooling plate based on improve structural strength design - Google Patents
Liquid cooling plate based on improve structural strength design Download PDFInfo
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- CN219163487U CN219163487U CN202223239287.2U CN202223239287U CN219163487U CN 219163487 U CN219163487 U CN 219163487U CN 202223239287 U CN202223239287 U CN 202223239287U CN 219163487 U CN219163487 U CN 219163487U
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- 238000001816 cooling Methods 0.000 title claims abstract description 66
- 239000007788 liquid Substances 0.000 title claims abstract description 65
- 238000013461 design Methods 0.000 title claims abstract description 21
- 238000001125 extrusion Methods 0.000 claims abstract description 67
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000004020 conductor Substances 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims 1
- 238000005219 brazing Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000945 filler Substances 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 238000012983 electrochemical energy storage Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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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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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses a liquid cooling plate designed based on improvement of structural strength, which comprises a middle runner plate, a first extrusion profile and a second extrusion profile, wherein the middle runner plate comprises a first plate body, a second plate body and a fin plate, all parts of the middle runner plate are fixedly connected by adopting a furnace brazing process, and the middle runner plate is fixedly connected with two extrusion profiles on two sides of the middle runner plate by adopting a friction stir welding process. Compared with the traditional welding process (such as flame brazing, laser filler wire welding and the like), the structural design mode of the utility model can obviously improve the structural strength of the liquid cooling plate, avoid the phenomenon of liquid leakage, and does not need to carry out a heat treatment process, thereby obviously reducing the production and manufacturing cost of the liquid cooling plate. In addition, the friction stir welding process between the middle runner plate and the first extrusion profile and the friction stir welding process between the middle runner plate and the second extrusion profile can ensure the structural strength of the two extrusion profiles, and ensure that the liquid cooling plate does not deform under the condition of stress in the assembly and use processes, and the structural design is simple and reasonable.
Description
Technical Field
The utility model relates to the technical field of battery thermal management, in particular to a liquid cooling plate based on design for improving structural strength.
Background
With the continuous development of economic and new energy technologies, electrochemical energy storage products are also mature in the market, a power battery pack is a research and development core of the electrochemical energy storage products, and the battery pack consists of a plurality of battery modules. The battery module needs to be used in a certain temperature range, so a heat dissipation structure is usually added into the battery module, the battery module needs to be heated below the temperature range, and the battery module needs to be cooled above the temperature range, so that the battery can work at the optimal temperature.
In the current industry, the battery module generally adopts an extrusion liquid cooling plate as a heat dissipation structure, and the extrusion liquid cooling plate needs to bear a certain acting force when in use. In the extrusion liquid cooling plate forming process, generally, modes such as flame brazing and laser filler wire welding are included, if flame brazing and laser filler wire welding are adopted, a large liquid leakage risk exists in the liquid cooling plate, the structural strength of the extrusion liquid cooling plate is not high, and if a heat treatment process is carried out, the manufacturing cost of the liquid cooling plate can be increased.
Therefore, there is a need in the art to provide a liquid cooling plate with high structural strength and less prone to leakage.
Disclosure of Invention
In order to solve the technical problems that the traditional liquid cooling plate in the prior art is low in structural strength and easy to leak, the utility model provides a liquid cooling plate designed based on the structural strength improvement, and the liquid cooling plate designed based on the structural strength improvement has the characteristics of simple and reasonable structural design, high overall structural strength and difficult occurrence of liquid leakage.
The utility model adopts the technical proposal for solving the problems that:
liquid cooling board based on improve structural strength design, it includes middle part runner board, middle part runner board includes:
the first plate body and the second plate body are arranged in a stacked mode along the Z-axis direction, and an accommodating space is formed between the first plate body and the second plate body;
a fin plate disposed in the accommodation space;
the first plate body and the second plate body, the first plate body and the fin plate and the second plate body and the fin plate are fixedly connected through a furnace passing brazing process.
In a second embodiment of the utility model, a solution is provided in relation to a specific structural arrangement of the first and second extruded profiles.
The liquid cooling plate based on the design of improving the structural strength further comprises a first extrusion profile, wherein the first extrusion profile is fixedly arranged on one side of the middle runner plate, and a first fixing hole is formed in the first extrusion profile.
Further, the liquid cooling plate based on the design of improving the structural strength further comprises a second extrusion profile, the second extrusion profile is fixedly arranged on the other side of the middle runner plate, and a second fixing hole is formed in the second extrusion profile.
Further, the first extrusion profile and the middle runner plate and the second extrusion profile and the middle runner plate are fixedly connected through a friction stir welding process.
Further, the inner walls of the first fixing hole and the second fixing hole are provided with internal threads.
In a third embodiment of the present utility model, a technical solution is provided as to how the liquid cooling plate is heated by structural arrangement.
The heating device is fixedly arranged in the first extrusion profile and/or the second extrusion profile, and the first extrusion profile and/or the second extrusion profile are/is made of heat conducting materials.
Further, the heating device is a PTC heater.
Further, the middle runner plate, the first extrusion profile and the second extrusion profile are all made of aluminum alloy materials.
In a fourth embodiment of the present utility model, a technical solution is provided regarding a specific structural arrangement of fin plates and structural arrangement of water inlet and outlet pipes.
The fin plate comprises a first plate body and a fin plate, wherein a first flow channel extending along the Y-axis direction is arranged between the first plate body and the fin plate, a second flow channel extending along the Y-axis direction is arranged between the second plate body and the fin plate, the first flow channel and the second flow channel are sequentially and alternately arranged along the X-axis direction, and the adjacent first flow channel and the second flow channel are communicated.
Further, the liquid cooling plate based on the design of improving the structural strength further comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are communicated with the accommodating space.
In summary, compared with the prior art, the liquid cooling plate based on the design for improving the structural strength provided by the utility model has at least the following technical effects:
the liquid cooling plate based on the design of improving the structural strength comprises a middle flow channel plate, wherein the middle flow channel plate comprises a first plate body, a second plate body and a fin plate, the first plate body and the second plate body, the first plate body and the fin plate and the second plate body and the fin plate are fixedly connected through a furnace brazing process, namely the whole structure of the middle flow channel plate is fixedly connected through the furnace brazing process.
Drawings
FIG. 1 is a schematic diagram of a liquid cooling plate designed based on improved structural strength;
FIG. 2 is a front view of a liquid cooling plate based on the design of improving structural strength of the present utility model;
FIG. 3 is a schematic view of section A-A of FIG. 2;
FIG. 4 is an enlarged partial schematic view of the portion H shown in FIG. 3;
wherein the reference numerals have the following meanings:
1. a middle runner plate; 2. a first extruded profile; 21. a first fixing hole; 3. a second extruded profile; 31. a second fixing hole; 4. a first plate body; 41. a first flow passage; 5. a second plate body; 51. a second flow passage; 6. a fin plate; 7. a heating device; 8. a water inlet pipe; 9. and a water outlet pipe.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Example 1
Referring to fig. 1 to 3, according to a first embodiment of the present utility model, a liquid cooling plate designed based on an improved structural strength includes a middle flow channel plate 1, the middle flow channel plate 1 includes a first plate body 4, a second plate body 5, and fin plates 6, the first plate body 4 and the second plate body 5 are stacked in a Z-axis direction (i.e., a vertical direction), and a receiving space is provided between the first plate body 4 and the second plate body 5, and the fin plates 6 are disposed in the receiving space. Wherein, first plate body 4 and second plate body 5 are used for when using with battery module direct contact to play the cooling effect to the battery module. And, the accommodation space that sets up between first plate body 4 and the second plate body 5 is used for holding the cooling water that outside lets in to make first plate body 4 and second plate body 5 (i.e. the upper and lower both sides of middle part runner board 1) can realize two-sided cooling function under the abundant heat transfer's circumstances. The fin plate 6 is disposed in the accommodating space, and can form a plurality of mutually communicated cooling water flow passages in the accommodating space, so that the cooling water flowing into the accommodating space flows along the cooling water flow passages and finally flows out of the accommodating space to form cooling water circulation, and the first plate body 4 and the second plate body 5 are ensured to realize a cooling function.
In the technical scheme of the embodiment, the first plate body 4 and the second plate body 5, the first plate body 4 and the fin plate 6 and the second plate body 5 and the fin plate 6 are fixedly connected by adopting a furnace brazing process (also called a furnace brazing process), namely, the whole structure of the middle runner plate 1 is fixedly connected by adopting the furnace brazing process. Compared with a liquid cooling plate structure formed by the traditional welding process (such as flame brazing, laser filler wire welding and the like), the structural design mode of the utility model can obviously improve the overall structural strength of the liquid cooling plate, avoid the phenomenon of liquid leakage, and does not need to carry out a heat treatment process, thereby obviously reducing the production and manufacturing cost of the liquid cooling plate.
Example 2
In a second embodiment of the utility model, a solution is provided concerning the specific structural arrangement of the first extruded profile 2 and the second extruded profile 3.
Referring to fig. 1 to 3, in the technical solution of this embodiment, the liquid cooling plate designed based on the improvement of structural strength further includes a first extrusion profile 2, where the first extrusion profile 2 is fixedly disposed on one side of the middle runner plate 1, and the first extrusion profile 2 is provided with a first fixing hole 21. The first extrusion profile 2 is used as a mounting structure when the liquid cooling plate of the present utility model is assembled, and in a specific assembly process, an external connection component (such as a bolt, a screw or a screw) sequentially passes through an external structure (such as a liquid cooling plate box body) and the first fixing hole 21 on the first extrusion profile 2, so that the liquid cooling plate of the present utility model can be fixedly mounted on the external structure.
Referring to fig. 1 to 3, in a preferred embodiment of this embodiment, the liquid cooling plate designed based on the improved structural strength further includes a second extrusion profile 3, the second extrusion profile 3 is fixedly disposed on the other side of the middle flow channel plate 1, and a second fixing hole 31 is formed in the second extrusion profile 3. Wherein the second extrusion profile 3 is arranged on the opposite side of the first extrusion profile 2, also as a mounting structure in the assembly of the liquid cooling plate of the utility model. Similarly, during assembly, the external connection component (such as a bolt, a screw or a screw) sequentially passes through the external structure (such as the liquid cooling plate box body) and the second fixing hole 31 on the second extrusion section 3, so that the liquid cooling plate of the utility model can be assembled.
Specifically, through installing first extrusion section bar 2 and second extrusion section bar 3 respectively in the both sides of middle part runner board 1 along the X axle direction, can realize the fixed mounting of middle part runner board 1 in both sides position to improve the overall structure intensity and the structural stability of liquid cooling board, prevent to appear phenomenon such as structural deviation or structure unstability after the assembly.
In another preferred embodiment of this embodiment, the first extruded section 2 and the middle runner plate 1 (specifically, the first plate body 4 or the second plate body 5) and the second extruded section 3 and the middle runner plate 1 (specifically, the first plate body 4 or the second plate body 5) are fixedly connected by adopting a friction stir welding process. Compared with the furnace passing brazing or other welding modes, the friction stir welding process mode is adopted between the middle runner plate 1 and the first extrusion profile 2 and between the middle runner plate and the second extrusion profile 3, so that the structural strength of the first extrusion profile 2 and the structural strength of the second extrusion profile 3 can be ensured, and the liquid cooling plate does not generate structural deformation when being stressed in the assembling and using processes.
In an alternative of this embodiment, the inner walls of the first fixing hole 21 and the second fixing hole 31 are each provided with an internal thread. Specifically, when the liquid cooling plate of the present utility model is assembled to an external structure (for example, a liquid cooling plate box), the external connection member (for example, a bolt, a screw or a screw) with external threads is inserted through the external structure, and then the first fixing hole 21 and the second fixing hole 31 are screwed in and tightened, so that the assembly of the liquid cooling plate can be completed, and the operation is simple and convenient.
Example 3
In a third embodiment of the present utility model, a technical solution is provided as to how the liquid cooling plate is heated by structural arrangement.
As shown in fig. 1 to 3, in the technical solution of this embodiment, the first extrusion profile 2 and/or the second extrusion profile 3 are fixedly provided with a heating device 7 inside, that is, the heating device 7 is provided inside either or both of the first extrusion profile 2 and the second extrusion profile 3; the first extrusion profile 2 and/or the second extrusion profile 3 are/is made of a heat conducting material, i.e. the first extrusion profile 2 and/or the second extrusion profile 3 provided with the heating device 7 are/is made of a heat conducting material which is a heat conducting material with a high heat conductivity coefficient. Specifically, when the heating device 7 is started, heat generated by the heating device 7 can be transferred to the middle runner plate 1 through the first extruded profile 2 and/or the second extruded profile 3, and then an effect of uniformly heating the battery module is achieved through the middle runner plate 1.
In a preferred scheme of the embodiment, the heating device 7 is a PTC heater, and the heating function can be realized after the lead is led out to be externally connected with a circuit, so that the heating device has the advantages of small thermal resistance, high heat exchange efficiency, convenience in installation and disassembly and the like.
In another preferred scheme of the embodiment, the middle runner plate 1, the first extruded section 2 and the second extruded section 3 are all made of aluminum alloy materials, so that the heat conduction coefficient is high, the structure is light, and the like, and the cooling heat transfer effect of cooling water on the battery module and the heating heat transfer effect of the heating device 7 on the battery module are improved. More specifically, the middle flow channel plate 1 preferably adopts a three-series aluminum structure, and the first extruded profile 2 and the second extruded profile 3 preferably adopt a six-series aluminum structure.
Example 4
In a fourth embodiment of the present utility model, a technical solution is provided regarding a specific structural arrangement of the fin plate 6 and a structural arrangement of the water inlet and outlet pipes.
Referring to fig. 3 and 4, in the technical solution of this embodiment, a first flow channel 41 extending along the Y-axis direction is provided between the first plate body 4 and the fin plate 6, a second flow channel 51 extending along the Y-axis direction is provided between the second plate body 5 and the fin plate 6, the first flow channel 41 and the second flow channel 51 are alternately arranged in sequence along the X-axis direction, and adjacent first flow channels 41 and second flow channels 51 are communicated. Specifically, the fin plate 6 is continuously bent along the X-axis direction to form a zigzag (or serpentine) structure, a first flow channel 41 extending along the Y-axis direction is formed between the fin plate 6 and the first plate body 4, and a second flow channel 51 extending along the Y-axis direction is formed between the fin plate 6 and the second plate body 5. More specifically, the cooling water introduced into the receiving space sequentially flows through the respective first and second flow passages 41 and 51, which are alternately arranged, so that the temperature uniformity on the first and second plate bodies 4 and 5, that is, the temperature uniformity on both sides of the middle flow passage plate 1, can be ensured, and the cooling effect on the battery module can be improved.
Referring to fig. 1 and 2, in a preferred solution of this embodiment, the liquid cooling plate designed based on the improved structural strength further includes a water inlet pipe 8 and a water outlet pipe 9, where the water inlet pipe 8 and the water outlet pipe 9 are both in communication with the accommodation spaces inside the first plate body 4 and the second plate body 5. Wherein, inlet tube 8 and outlet pipe 9 are the external pipeline structure in one side of middle part runner board 1. Specifically, the water inlet pipe 8 is used for introducing cooling water into the accommodating space, and the cooling water entering the accommodating space sequentially flows through the first flow channels 41 and the second flow channels 51 which are alternately arranged and finally flows out of the water outlet pipe 8, so that the structures such as the liquid cooling plate and the external pipeline form cooling water circulation, and the cooling function of the battery module is realized.
In summary, the liquid cooling plate based on the design of improving structural strength provided by the utility model comprises the middle flow channel plate 1, the middle flow channel plate 1 comprises the first plate body 4, the second plate body 5 and the fin plate 6, the first plate body 4, the second plate body 5, the fin plate 6, the first plate body 4 and the fin plate 6 are fixedly connected by adopting a furnace brazing process, that is, the whole structure of the middle flow channel plate is fixedly connected by adopting the furnace brazing process, compared with the traditional welding process (such as flame brazing, laser wire filling welding and the like), the structural strength of the liquid cooling plate can be obviously improved, the liquid leakage phenomenon is avoided, the heat treatment process is not required, and the production and manufacturing cost of the liquid cooling plate can be obviously reduced. In addition, the first extrusion profile 2 and the second extrusion profile 3 provided by the utility model are fixedly connected with the middle runner plate 1 by adopting a friction stir welding process, so that the structural strength of the first extrusion profile 2 and the second extrusion profile 3 can be ensured, and the liquid cooling plate still does not deform under the condition of stress in the assembling and using processes, and the structural design is simple and reasonable.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (10)
1. Liquid cooling board based on improve structural strength design, a serial communication port, including middle part runner board (1), middle part runner board (1) include:
the first plate body (4) and the second plate body (5) are arranged in a stacked mode along the Z-axis direction, and an accommodating space is formed between the first plate body (4) and the second plate body (5);
a fin plate (6), the fin plate (6) being disposed in the accommodation space;
the first plate body (4) and the second plate body (5), the first plate body (4) and the fin plate (6) and the second plate body (5) and the fin plate (6) are fixedly connected through a furnace soldering process.
2. The liquid cooling plate based on the design of improving the structural strength according to claim 1, further comprising a first extrusion profile (2), wherein the first extrusion profile (2) is fixedly arranged on one side of the middle runner plate (1), and a first fixing hole (21) is formed in the first extrusion profile (2).
3. The liquid cooling plate based on the design of improving the structural strength according to claim 2, further comprising a second extrusion profile (3), wherein the second extrusion profile (3) is fixedly arranged on the other side of the middle runner plate (1), and a second fixing hole (31) is formed in the second extrusion profile (3).
4. A liquid cooling plate designed based on improved structural strength according to claim 3, wherein the first extrusion profile (2) and the middle runner plate (1) and the second extrusion profile (3) and the middle runner plate (1) are fixedly connected through a friction stir welding process.
5. A liquid cooling plate designed based on improved structural strength according to claim 3, wherein the inner walls of the first fixing hole (21) and the second fixing hole (31) are provided with internal threads.
6. A liquid cooling plate designed based on improved structural strength according to claim 3, characterized in that the first extrusion profile (2) and/or the second extrusion profile (3) are/is fixedly provided with heating means (7) inside, and the first extrusion profile (2) and/or the second extrusion profile (3) are/is of a heat conducting material.
7. The liquid cooling plate based on the design of improving structural strength according to claim 6, characterized in that the heating device (7) is a PTC heater.
8. The liquid cooling plate designed based on the improved structural strength according to claim 6, wherein the middle runner plate (1), the first extrusion profile (2) and the second extrusion profile (3) are all made of aluminum alloy materials.
9. The liquid cooling plate designed based on the improvement of structural strength according to claim 1, wherein a first flow channel (41) extending along the Y-axis direction is arranged between the first plate body (4) and the fin plate (6), a second flow channel (51) extending along the Y-axis direction is arranged between the second plate body (5) and the fin plate (6), the first flow channel (41) and the second flow channel (51) are alternately arranged in sequence along the X-axis direction, and the adjacent first flow channel (41) and the second flow channel (51) are communicated.
10. The liquid cooling plate based on the design of improving the structural strength according to claim 9, further comprising a water inlet pipe (8) and a water outlet pipe (9), wherein the water inlet pipe (8) and the water outlet pipe (9) are communicated with the accommodating space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239287.2U CN219163487U (en) | 2022-11-29 | 2022-11-29 | Liquid cooling plate based on improve structural strength design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239287.2U CN219163487U (en) | 2022-11-29 | 2022-11-29 | Liquid cooling plate based on improve structural strength design |
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| Publication Number | Publication Date |
|---|---|
| CN219163487U true CN219163487U (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223239287.2U Active CN219163487U (en) | 2022-11-29 | 2022-11-29 | Liquid cooling plate based on improve structural strength design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219163487U (en) |
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2022
- 2022-11-29 CN CN202223239287.2U patent/CN219163487U/en active Active
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