CN221304785U - Liquid cooling plate with elastic nut and battery pack - Google Patents
Liquid cooling plate with elastic nut and battery pack Download PDFInfo
- Publication number
- CN221304785U CN221304785U CN202322885573.4U CN202322885573U CN221304785U CN 221304785 U CN221304785 U CN 221304785U CN 202322885573 U CN202322885573 U CN 202322885573U CN 221304785 U CN221304785 U CN 221304785U
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- Prior art keywords
- liquid cooling
- cooling plate
- elastic
- nut
- liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 105
- 238000001816 cooling Methods 0.000 title claims abstract description 83
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 14
- 238000003466 welding Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007547 defect Effects 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
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
A liquid cooling plate with elastic nuts and a battery pack relate to the technical field of batteries. The liquid cooling plate with elastic nut includes: the liquid cooling plate comprises a liquid cooling plate body, a mounting part and an elastic nut; the mounting part is arranged on the liquid cooling plate body and is provided with a containing cavity for mounting the elastic nut; one side of the mounting part, which is used for connecting the upper cover, is provided with a bolt hole communicated with the accommodating cavity; the elastic nut is detachably arranged in the accommodating cavity, and the elastic nut is provided with a threaded hole matched with the bolt hole of the mounting part. The liquid cooling plate with the elastic nut and the battery plate provided by the utility model are convenient for replacing and adjusting the position of the fastener, and can reduce the processing precision requirement of the liquid cooling plate.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a liquid cooling plate with an elastic nut and a battery pack.
Background
With the rapid development of new energy industry, the requirements and performances of lithium batteries are continuously increased, and the heat dissipation design of the battery core is receiving more attention. Liquid cooling is one of the main modes of heat dissipation of the current battery cells, the duty ratio is larger and larger, and the design of the liquid cooling plate of the liquid cooling system core plays an indispensable role in reducing the temperature of the battery cells and improving the performance of the lithium battery system.
In the prior art, a battery pack is generally composed of a liquid cooling plate, an electric core and an upper cover, and a sufficient waterproof and dustproof grade is generally required for the liquid cooling battery pack. Therefore, the periphery of the liquid cooling plate is generally provided with more fasteners for mounting parts such as an upper cover, a lifting lug and the like and sealing the box body, and common fastener forms comprise press riveting, pull riveting, welding and expansion riveting. The fasteners and the liquid cooling plate are in non-detachable fixed connection, the positions are fixed during installation, and the fasteners and the liquid cooling plate are not adjustable after installation. However, since the battery pack is generally large in size, in order to ensure that these fasteners can be properly installed, the processing requirements of the liquid cooling plate are very high, which results in an increase in the product cost. Furthermore, these types of fasteners require specialized equipment for installation and subsequent operation and maintenance, and are also very unfriendly to equipment field maintenance.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides the liquid cooling plate with the elastic nut and the battery pack, which are convenient for replacing and adjusting the position of the fastener and can reduce the processing precision requirement of the liquid cooling plate.
The utility model adopts the following technical scheme.
A first aspect of the present utility model provides a liquid cooling plate with an elastic nut, comprising: a liquid cooling plate body; the mounting part is arranged on the liquid cooling plate body and is provided with a containing cavity for mounting the elastic nut; one side of the mounting part, which is used for connecting the upper cover, is provided with a bolt hole communicated with the accommodating cavity; the elastic nut is detachably arranged in the accommodating cavity and is provided with a threaded hole matched with the bolt hole of the mounting part.
Further, the elastic nut includes: the nut body is provided with a threaded hole penetrating through the nut body from top to bottom; and the elastic sheet is connected with the nut body.
Further, one side of the nut body is fixedly connected with one side of the elastic sheet, and an included angle which is different from zero exists between the plane where the elastic sheet is located and the nut body.
Further, a clamping groove for accommodating the spring plate is formed in one side, far away from the bolt hole, of the mounting portion. Further, the elastic sheet comprises a first clamping jaw used for clamping the nut body and a second clamping jaw used for clamping the wall surface of the mounting part; the first clamping jaw is fixedly connected with the second clamping jaw, and the clamping direction of the first clamping jaw is perpendicular to the clamping direction of the second clamping jaw; the nut body is detachably mounted on the first clamping jaw.
Further, the first clamping jaw is wider than the nut body.
Further, the installation department distributes around the liquid cooling board body, and the installation department keeps away from the liquid cooling board body and is used for installing one side of electric core.
Further, the device also comprises 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 runner cavity is formed in the liquid cooling plate body; the flow channel cavity is filled with cooling liquid; 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.
The second aspect of the utility model provides a battery pack, which comprises an upper cover, at least one electric core and the liquid cooling plate with the elastic nut; the battery cell is arranged on the liquid cooling plate body, and the upper cover is covered on the battery cell and is connected with the liquid cooling plate body through the elastic nut and the bolt in a matched mode.
Compared with the prior art, the elastic nut with elasticity is creatively applied to the liquid cooling plate, and the elastic nut is detachably arranged on the liquid cooling plate body, so that the positions of the elastic nut during and after installation are floating and adjustable, the precision requirement on the processing of the liquid cooling plate can be greatly reduced, and the cost is reduced. And the elastic nut belongs to detachable installation, and the installation is not like pressure riveting, expansion riveting and welding, and special equipment is required, so that the fastener can be conveniently and rapidly replaced without scrapping the whole liquid cooling plate when the assembly in factories or problems occur on site.
Drawings
Fig. 1 is a schematic structural view of a liquid cooling plate with elastic nuts according to a first embodiment of the present utility model;
Fig. 2 is a partially enlarged view of a mounting portion of a liquid cooling plate with elastic nuts according to a first embodiment of the present utility model;
FIG. 3 is a schematic view of the connection between the mounting portion and the elastic nut provided by the first embodiment of the present utility model;
FIG. 4 is a schematic view of a connection between a mounting portion and a spring nut provided by a third embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of the elastic nut according to the first embodiment of the present utility model;
FIG. 6 is a schematic view of a resilient nut according to a second embodiment of the present utility model;
FIG. 7 is a schematic view of a spring nut according to a third embodiment of the present utility model;
Fig. 8 is a schematic view of a battery pack equipped with a liquid cooling plate with elastic nuts 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; 104-a mounting portion;
20-elastic nuts; 201-a nut body; 202-shrapnel;
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 described embodiments of the utility model are only 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, 2 and 3, a first embodiment of the present utility model provides a liquid cooling plate 10 with elastic nuts, comprising: the liquid cooling plate body 101, the mounting portion 104, and the elastic nut 20. The mounting part 104 is arranged on the liquid cooling plate body 101, and the mounting part 104 is provided with a containing cavity for mounting the elastic nut 20; one side of the mounting part 104 for connecting the upper cover 30 is provided with a bolt hole communicated with the accommodating cavity; the elastic nut 20 is detachably mounted in the accommodating chamber, and the elastic nut 20 is provided with a screw hole used in cooperation with the screw hole of the mounting portion 104. Through set up detachable fastener on liquid cooling board body 101, be convenient for adjust the machining tolerance of adaptation liquid cooling board body 101, also be convenient for follow-up equipment, quick replacement after the damage appears in the use.
In a further preferred but non-limiting embodiment of the present utility model, the elastic nut 20 comprises: the nut comprises a nut body 201 and an elastic piece 202, wherein the nut body 201 is provided with a threaded hole penetrating through the nut body from top to bottom; the elastic sheet 202 is fixedly connected with the nut body 201, and the mode of the fixed connection comprises welding, gluing, riveting, screw connection and the like.
In a further preferred but non-limiting embodiment of the present utility model, as shown in fig. 5, the outward side of the nut body 201 mounted to the liquid cooling plate body 101 is fixedly connected to one end of the elastic sheet 202, and a non-zero included angle exists between the plane of the elastic sheet 202 and the nut body 201. The free end of the spring 202 extends above a threaded hole in the nut body 201.
As shown in fig. 3, a clip groove for accommodating the spring plate 202 is provided on a side of the mounting portion 104 away from the bolt hole. After the elastic nut 20 is mounted on the mounting portion 104, the free end of the elastic piece 202 extends into the clamping groove to be in clamping fit with the clamping groove.
Further, the elastic nut 20 is preferably made of steel, and can obtain better connection strength than the aluminum alloy or copper material of the cold plate.
In a further preferred but non-limiting embodiment of the present utility model, the liquid cooling plate 10 is made of aluminum alloy or copper material, which has a higher thermal conductivity than the conventional metal material, so as to provide better heat dissipation effect for the battery cell 40.
As shown in fig. 1 and 8, the mounting portions 104 are distributed around the liquid cooling plate body 101, and the mounting portions 104 are far from one side of the liquid cooling plate body 101 for mounting the battery cell 40. Through set up a plurality of installation department 104 around liquid cooling board body 101 to make a plurality of elastic nuts 20 can select the installation department 104 of suitable position to install, thereby make each elastic nut 20 keep suitable interval between, thereby can realize the sealed demand of battery package well.
As shown in fig. 1, the liquid cooling plate 10 further includes a liquid inlet joint 102 and a liquid outlet joint 103; the liquid inlet joint 102 and the liquid outlet joint 103 are connected with the liquid cooling plate body 101. A runner cavity is arranged in the liquid cooling plate body 101; the flow channel cavity is filled with cooling liquid. 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. 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.
As shown in fig. 6, the second embodiment of the present utility model provides another elastic nut 20, and the elastic nut 20 in this embodiment is different from the elastic nut in the first embodiment in that: one end of the spring plate 202 is fixedly connected with one side of the nut body 201 facing to the right after being mounted on the liquid cooling plate body 101. The free end of the spring plate 202 extends to the upper part of the threaded hole in the nut body 201, and a mounting groove penetrating through the upper part and the lower part of the nut body is arranged at the position corresponding to the threaded hole.
The structure and function of the rest of the present embodiment are the same as those of the first embodiment except for the above-described distinguishing technical features.
As shown in fig. 4 and 7, the third embodiment of the present utility model provides another elastic nut 20 and a mounting portion 104 engaged therewith, and the elastic nut 20 of the present embodiment is different from the first embodiment in that: the nut body 201 is detachably connected with the elastic sheet 202.
Further, the spring plate 202 includes a first clamping jaw for clamping the nut body 202 and a second clamping jaw for clamping a wall surface of the mounting portion 104; the first clamping jaw is fixedly connected with the second clamping jaw, and the clamping direction of the first clamping jaw is perpendicular to the clamping direction of the second clamping jaw; the nut body 202 is removably mounted to the first jaw.
Further, the width of the first clamping jaw is larger than that of the nut body 202, so that the nut 201 can move in the first clamping jaw, the position of the nut body 201 can be flexibly adjusted during assembly, and the processing requirement on parts is reduced. The nut 201 is located inside the first clamping jaw, so that the parts can be effectively prevented from falling off in the production process and being lost due to disassembly in the subsequent use process.
The structure and function of the rest of the present embodiment are the same as those of the first embodiment except for the above-described distinguishing technical features.
As shown in fig. 8, the fourth embodiment of the present utility model further provides a battery pack, which includes an upper cover 30, at least one electric core 40, and a liquid cooling plate 10 with elastic nuts; the battery cell 40 is arranged on the liquid cooling plate body 101 of the liquid cooling plate 10, and the upper cover 30 is covered on the battery cell 40 and then is connected with the liquid cooling plate body 101 in a matched manner through the elastic nut 20 and the bolt; when the upper cover is fixed, the bolts pass through the bolt holes of the upper cover 30 and the mounting part 104 and then are connected with the threaded holes of the elastic nuts 20 in a threaded manner, so that the upper cover 30 and the liquid cooling plate 10 are fixedly connected. The battery cell 40 can be ensured to be in a closed space, the heat dissipation effect is good, and the installation and the disassembly are convenient.
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.
Compared with the prior art, the elastic nut 20 with elasticity is applied to the liquid cooling plate 10, and the elastic nut 20 is detachably arranged on the liquid cooling plate body 101, so that the positions of the elastic nut during and after installation are floating and adjustable, the precision requirement on the processing of the liquid cooling plate can be greatly reduced, and the cost is reduced. And the elastic nut belongs to detachable installation, and the installation is not like pressure riveting, expansion riveting and welding, and special equipment is required, so that the fastener can be conveniently and rapidly replaced without scrapping the whole liquid cooling plate when the assembly in factories or problems occur on 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. A liquid cooling plate with an elastic nut, comprising: liquid cooling board body (101), its characterized in that, liquid cooling board still includes:
A mounting part (104) which is arranged on the liquid cooling plate body (101), wherein the mounting part (104) is provided with a containing cavity for mounting the elastic nut (20); one side of the mounting part (104) for connecting the upper cover (30) is provided with a bolt hole communicated with the accommodating cavity;
And the elastic nut (20) is detachably arranged in the accommodating cavity, and the elastic nut (20) is provided with a threaded hole matched with the bolt hole of the mounting part (104).
2. The liquid cooling plate with elastic nut according to claim 1, wherein:
the elastic nut (20) comprises:
A nut body (201) provided with a threaded hole penetrating the nut body up and down;
And the elastic sheet (202) is connected with the nut body (201).
3. A liquid cooling plate with elastic nuts as claimed in claim 2, wherein:
One side of the nut body (201) is fixedly connected with one side of the elastic sheet (202), and an included angle which is not zero exists between the plane where the elastic sheet (202) is located and the nut body (201).
4. A liquid cooling plate with elastic nuts as claimed in claim 3, wherein:
One side of the mounting part (104) far away from the bolt hole is provided with a clamping groove for accommodating the elastic sheet (202).
5. A liquid cooling plate with elastic nuts as claimed in claim 2, wherein:
The elastic sheet (202) comprises a first clamping jaw used for clamping the nut body (201) and a second clamping jaw used for clamping the wall surface of the mounting part (104);
The first clamping jaw is fixedly connected with the second clamping jaw, and the clamping direction of the first clamping jaw is perpendicular to the clamping direction of the second clamping jaw; the nut body (201) is detachably mounted to the first jaw.
6. The liquid cooling plate with elastic nut according to claim 5, wherein:
The first jaw has a width greater than the nut body (201).
7. A liquid cooling plate with elastic nuts according to any one of claims 1 to 6, wherein:
the mounting parts (104) are distributed around the liquid cooling plate body (101), and the mounting parts (104) are far away from one side of the liquid cooling plate body (101) for mounting the battery cell (40).
8. A liquid cooling plate with elastic nuts according to any one of claims 1 to 6, wherein:
the device also comprises a liquid inlet joint (102) and a liquid outlet joint (103);
The liquid inlet connector (102) and the liquid outlet connector (103) are connected with the liquid cooling plate body (101).
9. A liquid cooling plate with elastic nuts according to any one of claims 1 to 6, wherein:
A flow passage cavity is formed in the liquid cooling plate body (101); the flow channel cavity is filled with cooling liquid; 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. A battery pack comprising an upper cover (30) and at least one cell (40), characterized in that:
further comprises: a liquid cooling plate with elastic nuts as claimed in any one of claims 1 to 9;
The battery cell (40) is arranged on the liquid cooling plate body (101), and the upper cover (30) is covered on the battery cell (40) and then is connected with the liquid cooling plate body (101) in a matched mode through the elastic nut (20) and the bolt.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221304785U true CN221304785U (en) | 2024-07-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |