CN220290918U - Liquid cooling plate with clamping type nut and battery pack - Google Patents
Liquid cooling plate with clamping type nut and battery pack Download PDFInfo
- Publication number
- CN220290918U CN220290918U CN202321379604.2U CN202321379604U CN220290918U CN 220290918 U CN220290918 U CN 220290918U CN 202321379604 U CN202321379604 U CN 202321379604U CN 220290918 U CN220290918 U CN 220290918U
- Authority
- CN
- China
- Prior art keywords
- liquid cooling
- cooling plate
- nut
- liquid
- nuts
- 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.)
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Links
- 239000007788 liquid Substances 0.000 title claims abstract description 125
- 238000001816 cooling Methods 0.000 title claims abstract description 104
- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 6
- 238000007667 floating Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a liquid cooling plate with a clamping nut, which comprises a liquid cooling plate and a plurality of clamping nuts, wherein the clamping nuts comprise nuts and a shell, the clamping nuts are detachably connected to the liquid cooling plate through the shell, the shell is provided with an elastic part, the elastic part is clamped with the liquid cooling plate, the shell at least partially surrounds the nuts or completely surrounds the nuts, the size of the inner space of the shell is larger than the external size of the nuts, the nuts can move in the shell, the clamping nuts are distributed and installed around the liquid cooling plate, and the nuts are positioned on the opposite sides of one side of the liquid cooling plate where an electric core is arranged after the clamping nuts are installed; the utility model provides a pair of liquid cooling board, the pioneer is applied to the liquid cooling board with the card formula nut that has elastic part, and card formula nut passes through the joint mode and connects in the liquid cooling board, has not only saved the process that needs professional equipment such as conventional pressure is riveted, is drawn and rivets, and the position is adjustable when card formula nut installs, can convenient dismantlement after the installation, does benefit to the reduction of liquid cooling board processing requirement and the quick replacement when the fastener damages.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a liquid cooling plate with a clamping nut and a battery pack.
Background
With the rapid development of electric automobiles and energy storage industries, the requirements and performances of lithium batteries are continuously improved. As a core component of the electric vehicle and energy storage industry, the safety, cruising ability and charging efficiency of the lithium battery system will directly affect the overall performance and service life of the electric vehicle and energy storage system. The liquid cooling plate is used as a main component for heat dissipation of the battery cell, and plays an indispensable role in reducing the temperature of the battery cell and improving the performance of a lithium battery system.
In the prior art, the battery pack is generally composed of a lower box body and an upper cover, and for the liquid cooling battery pack, the liquid cooling plate and the lower box body are integrated in the current technical scheme, and the liquid cooling plate is directly used as the lower box body and has the functions of supporting and cooling. Under the form, the liquid cooling plate is generally provided with fasteners around for installing parts such as an upper cover and lifting lugs, the common forms of the fasteners comprise press riveting, pull riveting, welding and expansion riveting, the fasteners are not fixedly connected with the liquid cooling plate, and the positions after installation are not adjustable, but because the liquid cooling plate is generally large in size and numerous in number, the problems that screw holes are not aligned and difficult to install and bite easily occur during actual installation are solved, and the processing precision of the liquid cooling plate is highly required. In addition, in the fasteners, professional equipment is required for installing the press riveting, expansion riveting and welding fasteners, the follow-up installation and use of the press riveting, expansion riveting and welding fasteners are difficult to deal with after leaving a manufacturer, the hand-held equipment can be used for installing the rivet pulling fasteners, but the deformation of the fasteners can not be removed after the installation, and the follow-up assembly and use of the fasteners are difficult to deal with.
The prior art document CN208478521U discloses a liquid cooling plate and power battery pack structure, a plurality of liquid cooling plate placement areas are arranged on the lower box body, each liquid cooling plate placement area is provided with a plurality of liquid cooling plate fixing mechanisms, and the liquid cooling plates are respectively placed in the liquid cooling plate placement areas on the lower box body and are fixed by the liquid cooling plate fixing mechanisms. The floating nut of the comparison document is a standard component common nut and is used for installing parts such as a battery pack end plate and the like on the liquid cooling plate, the floating nut is not a part of the liquid cooling plate, but is used when other parts are installed on the liquid cooling plate during the integral assembly of the battery pack, and the floating nut and the liquid cooling plate are not parts or components.
Therefore, there is a need to develop a new liquid cooling plate that uses fasteners that facilitate installation and replacement after problems.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a liquid cooling plate with a clamp type nut and a battery pack, and solves the problems that the processing precision requirement on the liquid cooling plate is high, and the liquid cooling plate is difficult to process and replace when the threaded connection is not centered, bitten, sliding teeth and the like in the existing liquid cooling plate scheme.
The utility model adopts the following technical scheme.
The utility model provides a liquid cooling board with card formula nut, includes liquid cooling board and a plurality of card formula nut, and card formula nut includes nut and casing, and the nut passes through the detachable connection of casing to liquid cooling board.
Further, the shell is provided with an elastic part, and the elastic part is clamped with the liquid cooling plate.
Further, the housing partially encloses the nut or completely encloses the nut.
Further, the size of the internal space of the shell is larger than the external size of the nut, and the nut can move in the shell.
Further, a plurality of clamping nuts are distributed and installed around the liquid cooling plate, and the nuts are located on the opposite sides of one surface of the liquid cooling plate where the battery cell is arranged after the nuts are installed.
Further, the liquid cooling plate comprises a liquid cooling plate body, a liquid inlet connector and a liquid outlet connector;
the liquid inlet connector and the liquid outlet connector are connected with the liquid cooling plate body.
Further, a continuous runner cavity is arranged in the liquid cooling plate body.
Further, the cooling liquid is filled in the flow channel cavity.
Further, the liquid inlet joint is communicated with one end of the flow channel cavity, and the liquid outlet joint is communicated with the other end of the flow channel cavity.
Further, the battery cell comprises an upper cover and at least one battery cell, and further comprises the liquid cooling plate, wherein the battery cell is placed on the liquid cooling plate, and the upper cover is connected with the liquid cooling plate through a clamping nut.
Compared with the prior art, the clamping nut with the elastic part is creatively applied to the liquid cooling plate, is detachably arranged on the liquid cooling plate in a clamping manner, exists as a part of the liquid cooling plate, is integrated with the liquid cooling plate when the liquid cooling plate is produced, has a floating and adjustable position, and can greatly reduce the precision requirement on the processing of the liquid cooling plate, thereby reducing the cost. The clamping type nut belongs to detachable installation, special equipment is not needed for installation like pressure riveting, expansion riveting and welding, and the whole liquid cooling plate can be replaced conveniently and rapidly when the problem occurs in site assembly or site.
Drawings
FIG. 1 is a schematic view of a liquid cooling plate with a clip nut according to the present utility model;
FIG. 2 is a cross-sectional view taken in the direction A-A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 2;
fig. 4 is a schematic structural view of a card-type nut of a liquid cooling plate with a card-type nut according to the present utility model;
fig. 5 is a schematic structural view of a battery pack with a clip nut according to the present utility model;
in the figure:
10-liquid cooling plate; 101-a liquid cooling plate body; 102-a liquid inlet joint; 103-a liquid outlet joint; a 20-snap nut; 201-a nut; 202-a housing; 2021-elastic part; 30-an upper cover; 40-cell.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described herein are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are within the scope of the present utility model.
As shown in fig. 1 to 4, the present application provides a liquid cooling plate with a clip nut, which includes a liquid cooling plate 10 and a plurality of clip nuts 20. Wherein, the clip nut 20 includes a nut 201 and a housing 202, the nut 201 is detachably connected to the liquid cooling plate 10 through the housing 202, and the detachable connection is convenient for adjusting and adapting to the machining tolerance of the liquid cooling plate body 101, and is also convenient for quick replacement after damage in the subsequent assembly and use process.
The housing 202 is provided with an elastic portion 2021, and the elastic portion 2021 is engaged with the liquid cooling plate 10.
The nut 201 of the clip nut 20 is made of medium carbon steel or stainless steel, and the shell 202 is made of stainless steel or spring steel 65Mn, so that better connection strength can be obtained compared with the aluminum alloy or copper material of the cold plate.
As shown in fig. 4, the shell 202 at least partially surrounds the nut 201, so that the nut 201 is prevented from falling off from the shell 202, and the loss of parts caused by falling off of parts in the production process and disassembly in the subsequent use process can be effectively prevented.
The size of the internal space of the housing 202 is slightly larger than the external size of the nut 201, and the nut 201 can move in the housing 202 by a small margin. The design is more convenient for flexible adjustment during assembly, and reduces the processing requirement on parts.
The plurality of clamping nuts 20 are distributed and installed around the liquid cooling plate 10, and after installation, the nuts 201 are located on the opposite sides of the surface of the liquid cooling plate 10 where the battery cells 40 are placed, and the sealing performance of the battery pack box body after the upper cover is installed can be easily ensured through reasonable interval arrangement.
As shown in fig. 1, the liquid cooling plate 10 includes a liquid cooling plate body 101, a liquid inlet joint 102, and a liquid outlet joint 103. The liquid inlet joint 102 is used for cooling liquid to flow into the liquid cooling plate, and the liquid outlet joint 103 is used for cooling liquid to flow out of the liquid cooling plate.
The inside continuous runner cavity that is equipped with of liquid cooling plate body 101, the inside coolant liquid that fills of runner cavity, the one end intercommunication of runner cavity, the other end intercommunication of liquid outlet connection 103 and runner cavity are connected to the feed liquor joint 102.
The liquid inlet joint 102 and the liquid outlet joint 103 are connected to the liquid cooling plate body 101 through welding, so that the leakage risk can be greatly reduced while the structural strength is ensured.
The liquid cooling plate 10 is made of aluminum alloy or copper material, and has a higher heat conductivity coefficient in common metal materials, so as to provide better heat dissipation effect for the battery cell 40.
Fig. 5 shows a battery pack with a clamping nut provided in this embodiment of the application, including an upper cover 30 and at least one electric core 40, and further including any one of the aforementioned liquid cooling plates 10, the electric core 40 is placed on the liquid cooling plate 10, and the upper cover 30 is connected with the liquid cooling plate 10 through a plurality of clamping nuts 20, so as to ensure that the electric core 40 is in a closed space, and the heat dissipation effect is good, and the installation and the disassembly are convenient.
Compared with the prior art, the clamping nut with the elastic part is creatively applied to the liquid cooling plate, and the clamping nut detachably arranged on the liquid cooling plate in a clamping manner has the advantages that the position of the clamping nut is floating and adjustable, so that the processing precision requirement on the liquid cooling plate can be greatly reduced, and the cost is reduced. The clamping type nut belongs to detachable installation, special equipment is not needed for installation like pressure riveting, expansion riveting and welding, and the whole liquid cooling plate can be replaced conveniently and rapidly when the problem occurs in site assembly or site.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (10)
1. Liquid cooling board with card formula nut, including liquid cooling board (10) and a plurality of card formula nut (20), its characterized in that:
the clip nut (20) comprises a nut (201) and a shell (202), wherein the nut (201) is detachably connected to the liquid cooling plate (10) through the shell (202).
2. The liquid cooling plate with a snap nut of claim 1, wherein:
the housing (202) is provided with an elastic portion (2021), and the elastic portion (2021) is engaged with the liquid cooling plate (10).
3. The liquid cooling plate with a snap nut of claim 1, wherein:
the housing (202) partially encloses the nut (201) or completely encloses the nut (201).
4. The liquid cooling plate with a snap nut of claim 1, wherein:
the size of the inner space of the shell (202) is larger than the external size of the nut (201), and the nut (201) can move in the shell (202).
5. The liquid cooling plate with a snap nut of claim 1, wherein:
the clamping nuts (20) are distributed and installed around the liquid cooling plate (10), and after installation, the nuts (201) are located on the opposite sides of one surface of the liquid cooling plate (10) where the battery cell (40) is arranged.
6. The liquid cooling plate with a snap nut of claim 1, wherein:
the liquid cooling plate (10) comprises a liquid cooling plate body (101), a liquid inlet connector (102) and a liquid outlet connector (103);
the liquid inlet connector (102) and the liquid outlet connector (103) are connected with the liquid cooling plate body (101).
7. A liquid cooling plate with a snap nut as claimed in claim 6, wherein,
a continuous flow passage cavity is arranged in the liquid cooling plate body (101).
8. The liquid cooling plate with a snap nut of claim 7, wherein:
the flow channel cavity is filled with cooling liquid.
9. The liquid cooling plate with a snap nut of claim 6, wherein:
the liquid inlet joint (102) is communicated with one end of the flow channel cavity, and the liquid outlet joint (103) is communicated with the other end of the flow channel cavity.
10. Battery package with card formula nut, including upper cover (30) and at least one electric core (40), its characterized in that:
the battery pack also comprises a liquid cooling plate (10) according to any one of claims 1 to 9, wherein the battery cell (40) is placed on the liquid cooling plate (10), and the upper cover (30) and the liquid cooling plate (10) are connected together through a clamping nut (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321379604.2U CN220290918U (en) | 2023-06-01 | 2023-06-01 | Liquid cooling plate with clamping type nut and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321379604.2U CN220290918U (en) | 2023-06-01 | 2023-06-01 | Liquid cooling plate with clamping type nut and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220290918U true CN220290918U (en) | 2024-01-02 |
Family
ID=89328674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321379604.2U Active CN220290918U (en) | 2023-06-01 | 2023-06-01 | Liquid cooling plate with clamping type nut and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220290918U (en) |
-
2023
- 2023-06-01 CN CN202321379604.2U patent/CN220290918U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |