CN220604798U - Battery cell cooling device and battery pack - Google Patents

Battery cell cooling device and battery pack Download PDF

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Publication number
CN220604798U
CN220604798U CN202321686919.1U CN202321686919U CN220604798U CN 220604798 U CN220604798 U CN 220604798U CN 202321686919 U CN202321686919 U CN 202321686919U CN 220604798 U CN220604798 U CN 220604798U
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CN
China
Prior art keywords
liquid
pipe
liquid inlet
inlet pipe
return pipe
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Active
Application number
CN202321686919.1U
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Chinese (zh)
Inventor
王圆圆
闫仕伟
古展彰
刘华俊
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Eve Energy Co Ltd
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Eve Energy Co Ltd
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Priority to CN202321686919.1U priority Critical patent/CN220604798U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a battery cell cooling device, which comprises a battery cell cooling device, and comprises: the liquid cooling assembly comprises at least one liquid inlet pipe and at least one liquid return pipe, and one end of the liquid inlet pipe is communicated with one end of the liquid return pipe; a mounting position for the battery cell is arranged between the liquid inlet pipe and the liquid return pipe; a battery pack comprises a battery cell cooling device and a plurality of rows of battery cells which are arranged in parallel; the battery cells are arranged in the mounting positions, and the battery cells and the liquid cooling assembly can be preassembled through modularized assembly so as to improve the mounting efficiency of the battery pack; a row of cells are disposed in the mounting location.

Description

Battery cell cooling device and battery pack
Technical Field
The utility model relates to the field of batteries, in particular to a battery core cooling device and a battery pack.
Background
In the field of batteries, in order to ensure the normal operation of the battery cells, a liquid cooling pipe is generally arranged between each row of battery cells, and the liquid cooling pipe is used for transferring the heat of the battery cells through cooling liquid; in the existing liquid cooling pipe, along with the flowing of cooling liquid, the absorbed heat is gradually increased, so that the temperature unbalance inside the battery cell caused by the temperature difference at two ends of the liquid cooling pipe is avoided, the liquid cooling pipe is provided with a liquid inlet pipe and a liquid return pipe which are aligned up and down, and the liquid inlet pipe and the liquid return pipe can be subjected to temperature balance through heat transfer.
From this, the liquid cooling pipe sets up between two rows of adjacent electric cores, independently sets up between electric core and the liquid cooling pipe, and the modularization assembly of both of being inconvenient for reduces the assembly efficiency of battery package.
Disclosure of Invention
In order to overcome at least one of the defects in the prior art, the utility model provides the battery core cooling device, wherein the battery core is arranged in the installation position, and the battery core and the liquid cooling component can be preassembled through modularized assembly so as to improve the installation efficiency of the battery pack.
The utility model adopts the technical proposal for solving the problems that:
cell cooling device includes:
the liquid cooling assembly comprises at least one liquid inlet pipe and at least one liquid return pipe, and one end of the liquid inlet pipe is communicated with one end of the liquid return pipe;
the liquid cooling assembly further comprises a combining joint;
the combining joint comprises a liquid inlet cavity and a liquid outlet cavity;
the other end of the liquid inlet pipe is communicated with the liquid inlet cavity, and the other end of the liquid return pipe is communicated with the liquid outlet cavity;
and an installation position for the battery cell is arranged between the liquid inlet pipe and the liquid return pipe.
Further, the number of the liquid inlet pipe and the liquid return pipe is one respectively;
the liquid inlet pipe and the liquid return pipe are arranged in a vertically staggered mode.
Further, the number of the liquid inlet pipe and the liquid return pipe is one respectively;
the liquid inlet pipe and the liquid return pipe are symmetrically arranged left and right.
Further, the number of the liquid inlet pipes is two, and the number of the liquid return pipes is two;
one liquid inlet pipe and one liquid return pipe are a group of pipe groups; the liquid inlet pipe and the liquid return pipe of the same group of pipe groups are overlapped along the height direction of the battery cell; the two groups of the tube groups are symmetrically arranged left and right, the installation position is formed between the liquid inlet tube of one group of the tube groups and the liquid return tube of the other group of the tube groups, and two installation positions with aligned centers are formed between the two groups of the tube groups;
the liquid inlet pipes of the same group of pipe groups are communicated with the liquid return pipes, or one group of liquid inlet pipes of the pipe groups are communicated with the liquid return pipes of the other group of pipe groups, and one group of liquid return pipes of the pipe groups are communicated with the liquid inlet pipes of the other group of pipe groups.
Further, the liquid cooling assembly further comprises a communication joint;
the liquid inlet pipe and the liquid return pipe are respectively communicated with the communication joint so as to realize the communication of the liquid inlet pipe and the liquid return pipe.
Further, the liquid cooling assembly further comprises a connector;
the liquid inlet cavity and the liquid outlet cavity are respectively provided with the connector.
Further, a plurality of water-proof ribs are arranged in the liquid inlet pipe so as to divide the liquid inlet pipe into a plurality of water inlet channels;
and/or a plurality of water-proof ribs are arranged in the liquid return pipe so as to divide the liquid return pipe into a plurality of liquid return channels.
Further, the battery cell is a cylindrical core;
the liquid inlet pipe and the liquid return pipe are both coiled pipes.
A battery pack comprising the battery cell cooling device and a plurality of rows of battery cells arranged in parallel;
the battery cells are arranged in the mounting position in a row;
in the two adjacent liquid cooling assemblies, a liquid inlet pipe of one liquid cooling assembly and a liquid return pipe of the other liquid cooling assembly are arranged in an up-down superposition mode.
A battery pack comprising the battery cell cooling device and a plurality of rows of battery cells arranged in parallel;
the two liquid cooling assemblies are arranged in an up-and-down superposition mode to form two mounting positions which are overlapped up and down;
the liquid inlet pipe of one liquid cooling assembly is arranged above the liquid return pipe of the other liquid cooling assembly, and the liquid return pipe of one liquid cooling assembly is arranged above the liquid inlet pipe of the other liquid cooling assembly;
the battery cells are arranged in the two mounting positions of the two liquid cooling assemblies in an up-down overlapped mode.
Further, two adjacent rows of the liquid cooling assemblies at the same height position of the battery cells;
one liquid cooling component is provided with a liquid inlet pipe and a liquid return pipe.
A battery pack comprising the battery cell cooling device and a plurality of rows of battery cells arranged in parallel;
a row of the electric cores are arranged in the two mutually-intersected installation positions of one liquid cooling assembly.
Further, two adjacent groups of the battery cells are arranged in two adjacent groups of the battery cells;
the liquid inlet pipe of one pipe group is close to the side surface of the liquid return pipe of the other pipe group.
In summary, the battery core cooling device and the battery pack provided by the utility model have the following technical effects:
1) The mounting position between the liquid inlet pipe and the liquid return pipe can be used for mounting the battery cell so as to form modularized assembly among the battery cell, the liquid inlet pipe and the liquid return pipe, and the battery cell, the liquid inlet pipe and the liquid return pipe can be pre-mounted, so that the overall mounting efficiency of the battery pack is improved;
2) The liquid inlet pipe is communicated with the liquid return pipe through a communication joint, and the communication joint improves the convenience of connection between the liquid inlet pipe and the liquid return pipe;
3) The arrangement of the connector is convenient for the communication between the liquid inlet pipe and the liquid return pipe and the external pipeline.
Drawings
FIG. 1 is a schematic diagram of a liquid cooling assembly according to the present utility model;
FIG. 2 is a schematic diagram of a single liquid cooled module and a single row of cells;
fig. 3 is a schematic diagram of a plurality of liquid cooling modules and a plurality of rows of cells.
Wherein the reference numerals have the following meanings:
1. a liquid cooling assembly; 11. a liquid inlet pipe; 12. a liquid return pipe; 13. a communication joint; 14. merging joints; 15. a connector; 2. a battery cell; 3. and (5) installing the position.
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, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be 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, the utility model discloses a battery core cooling device, a liquid cooling assembly 1 comprises a liquid inlet pipe 11 and a liquid return pipe 12, wherein one end of the liquid inlet pipe 11 is communicated with one end of the liquid return pipe 12; an installation position 3 for the battery cell 2 is arranged between the liquid inlet pipe 11 and the liquid return pipe 12.
Preferably, in this embodiment, the liquid inlet pipe 11 and the liquid return pipe 12 are arranged in a vertically staggered manner, and in order to facilitate the flow of the cooling liquid, it is preferable to form a mode of arranging the liquid inlet pipe 11 at the upper side and the liquid return pipe 12 at the lower side, and a position space is provided between the upper liquid inlet pipe 11 and the lower liquid return pipe 12, so as to form the installation position 3.
In particular, in the above-mentioned liquid inlet pipe 11 and liquid return pipe 12 which are vertically offset, in the longitudinal direction perpendicular to the liquid inlet pipe 11, the projection of the liquid return pipe 12 partially overlaps or does not overlap with the liquid inlet pipe 11.
Preferably, in this embodiment, the liquid inlet pipe 11 and the liquid return pipe 12 are arranged in a vertically staggered manner, and in the direction perpendicular to the length direction of the liquid inlet pipe 11, the top surface of the liquid return pipe 12 coincides with the bottom surface of the liquid inlet pipe 11, that is, the height superposition of the liquid inlet pipe 11 and the liquid return pipe 12 is the maximum height of the liquid cooling assembly, in this embodiment, the heights of the liquid inlet pipe 11 and the liquid return pipe 12 are preferably half the height of the battery cell 2 respectively.
In other embodiments, the liquid inlet pipe 11 may be arranged below, and the liquid return pipe 12 is arranged above, so in this embodiment, in order to ensure the flow of the cooling liquid, a booster pump may be selectively arranged on the liquid inlet pipe 11 to realize the flow of the cooling liquid from bottom to top.
Referring to fig. 2 and 3, a battery pack includes a cell cooling device and multiple rows of parallel cells 2, where a single row of cells 2 is disposed in an installation location 3 between the liquid inlet pipe 11 and the liquid return pipe 12, so it can be known that the liquid inlet pipe 11 and the liquid return pipe 12 surround the cells 2, and the cells 2 in the installation location 3, and the liquid inlet pipe 11 and the liquid return pipe 12 surrounding the cells 2 can form an installation module, so as to implement rapid assembly between multiple modules.
Importantly, the multiple rows of electric cores 2 correspond to the multiple liquid cooling assemblies 1, more specifically, two sides of each row of electric cores 2 are respectively surrounded by the liquid inlet pipe 11 and the liquid return pipe 12 of the same liquid cooling assembly 1, and the installation relationship between two adjacent liquid cooling assemblies 1 is that the liquid inlet pipe 11 of one liquid cooling assembly 1 is overlapped above the liquid return pipe 12 of the other liquid cooling assembly 1, so that it is known that two sides of the same row of electric cores 2 are surrounded by the liquid inlet pipe 11 and the liquid return pipe 12 of the same liquid cooling assembly 1, the liquid inlet pipe 11 of the other adjacent liquid cooling assembly 1 and the liquid return pipe 12 of the other adjacent liquid cooling assembly 1.
More preferably, to ensure the liquid cooling effect of the battery cells 2, the sum of the total heights of the liquid inlet pipe 11 and the liquid return pipe 12 on the same side of each battery cell 2 is at least equal to the height of the battery cells 2, and in this embodiment, the sum of the total heights of the liquid inlet pipe 11 and the liquid return pipe 12 on the same side of each battery cell 2 is equal to the height of the battery cells 2.
When the liquid cooling assemblies 1 corresponding to the three adjacent rows of electric cores 2 are respectively filled with cooling liquid (the cooling liquid is filled from the liquid inlet pipe 11 and discharged from the liquid return pipe 12), the middle row of electric cores 2 are exemplified by the liquid inlet pipe 11 and the liquid return pipe 12 from top to bottom, and the longer the cooling liquid flows from the liquid inlet pipe 11 to the liquid return pipe 12, the more heat is absorbed by the cooling liquid, so that the temperature of the liquid return pipe 12 is always higher than that of the liquid inlet pipe 11, and the temperature of the liquid return pipe 12 at one side of the same row of electric cores 2 is transferred from bottom to top to the liquid inlet pipe 11 along the height direction of the electric cores 2, so that the temperature difference between the front end and the tail end of the same row of electric cores 2 and the top end and the bottom end of the same row of electric cores 2 is balanced, and the internal temperature of the whole battery pack is effectively balanced.
The battery pack further comprises a shell, and the battery cell cooling device and the battery cell 2 are arranged in the shell.
In particular, in the above-mentioned cell 2, it may include two structures of a cylinder and a square:
when the battery cell 2 is a cylindrical core, the liquid inlet pipe 11 and the liquid return pipe 12 are coiled pipes, so that the liquid inlet pipe 11, the liquid return pipe 12 and the side wall of the cylindrical battery cell 2 are attached.
In addition, when the battery cell 2 is a square core, the liquid inlet pipe 11 and the liquid return pipe 12 are straight pipes correspondingly, so that the adhesion between the liquid inlet pipe 11 and the liquid return pipe 12 and the side wall of the cylindrical battery cell 2 is realized.
Further, in order to ensure the uniform flow of the cooling liquid in the liquid inlet pipe 11 and the liquid return pipe 12, a plurality of water-proof ribs are arranged in the liquid inlet pipe 11 to divide the liquid inlet pipe 11 into a plurality of water inlet channels; and/or a plurality of water-proof ribs are arranged in the liquid return pipe 12 to divide the liquid return pipe 12 into a plurality of liquid return channels.
Example two
On the basis of the first embodiment, the liquid cooling assembly 1 further includes a communication joint 13, and the liquid inlet pipe 11 and the liquid return pipe 12 are respectively communicated with the communication joint 13, so as to realize communication between the liquid inlet pipe 11 and the liquid return pipe 12, that is, the cooling liquid of the liquid inlet pipe 11 flows into the liquid return pipe 12 through the communication joint 13.
Further, the liquid cooling assembly 1 further comprises a component union joint 14; the merging joint 14 comprises a liquid inlet cavity and a liquid outlet cavity; the other end of the liquid inlet pipe 11 (i.e. the end far away from the communication joint 13, or the liquid inlet end of the liquid inlet pipe 11) is communicated with the liquid inlet cavity, and the other end of the liquid return pipe 12 (i.e. the end far away from the communication joint 13, or the liquid outlet end of the liquid return pipe 12) is communicated with the liquid outlet cavity; it should be noted that the liquid inlet cavity and the liquid outlet cavity are not communicated, and preferably, the liquid inlet cavity and the liquid outlet cavity are arranged up and down in the merging joint 14.
Furthermore, the liquid cooling assembly 1 further comprises a connector 15; the liquid inlet cavity and the liquid outlet cavity are respectively provided with a connector 15, namely, the connector 15 on the liquid inlet cavity is used for being connected with an external liquid inlet pipe, and the connector 15 on the liquid outlet cavity is used for being connected with an external liquid return pipe.
Example III
Unlike the first embodiment, the number of the liquid inlet pipe 11 and the liquid return pipe 12 of the liquid cooling assembly 1 is one, the liquid inlet pipe 11 and the liquid return pipe 12 of the liquid cooling assembly 1 are symmetrically arranged left and right, and the two liquid cooling assemblies 1 are arranged in a vertically overlapped manner to form two mounting positions 3 which are vertically overlapped (in the height direction of the battery cell 2); the liquid inlet pipe 11 of one liquid cooling assembly 1 is arranged above the liquid return pipe 12 of the other liquid cooling assembly 1, and the liquid inlet pipe 11 of the other liquid cooling assembly 1 is arranged above the liquid inlet pipe 11 of the other liquid cooling assembly 1; a row of battery cells 2 are arranged in two mounting positions 3 of the two liquid cooling assemblies 1 which are overlapped up and down.
Similarly, in this embodiment, the liquid inlet pipe 11 and the liquid return pipe 12 of the same liquid cooling assembly 1 are also connected through the connection joint 13, and the liquid inlet pipe 11 and the liquid return pipe 12 are connected to the merging joint 14, except that the liquid inlet cavity and the liquid outlet cavity of the merging joint 14 are left and right arranged.
Further, to better balance the overall temperature of the entire battery pack, two liquid cooling assemblies 1 at the same height position of two adjacent rows of battery cells 2 (i.e., two liquid cooling assemblies 1 above two adjacent rows of battery cells 2 or two liquid cooling assemblies 1 below two adjacent rows of battery cells 2); the liquid inlet pipe 11 of one liquid cooling assembly 1 and the liquid return pipe 12 of the other liquid cooling assembly 1 are arranged close to each other, and the arrangement is that the heat of the liquid inlet pipe 11 and the liquid return pipe 12 between the left and right adjacent liquid cooling assemblies 1 can be balanced with each other.
Example IV
Unlike the first embodiment, the number of the liquid inlet pipes 11 is two, and the number of the liquid return pipes 12 is two;
a liquid inlet pipe 11 and a liquid return pipe 12 are a group of pipe groups; along the height direction of the battery cell 2, a liquid inlet pipe 11 and a liquid return pipe 12 of the same group of pipe groups are overlapped; the two groups of tube groups are symmetrically arranged left and right; it is directly known that the two sets of tube sets form two centrally aligned mounting locations 3 between the inlet tube 11 of one set and the return tube 12 of the other set.
The liquid inlet pipe 11 and the liquid return pipe 12 of the same group of pipe groups are communicated, or the liquid inlet pipe 11 of one group of pipe groups is communicated with the liquid return pipe 12 of the other group of pipe groups, and the liquid return pipe 12 of one group of pipe groups is communicated with the liquid inlet pipe 11 of the other group of pipe groups.
According to the above, the overlapping arrangement of the liquid inlet pipe 11 and the liquid return pipe 12 of the same group of pipe groups comprises the following schemes:
firstly, the liquid inlet pipes 11 in the two groups of pipe groups are all positioned above the liquid return pipe 12, the communication between the two groups of pipe groups can be realized by the same communication joint 13, specifically, two flow passages are arranged in the communication joint 13, and one flow passage is used for realizing the communication between one group of liquid inlet pipes 11 and the liquid return pipe 12; of course, in this solution, only one flow channel may be provided in the communication joint 13, and the flow channels are respectively communicated with the two liquid inlet pipes 11 and the two liquid return pipes 12.
Likewise, the liquid inlet ends of the two liquid inlet pipes 11 and the liquid outlet ends of the two liquid return pipes 12 can be connected to one merging joint 14, preferably, the merging joint 14 is correspondingly provided with two liquid inlet cavities and two liquid outlet cavities, at this time, an installation position 3 is formed between the liquid inlet pipe 11 in one pipe group and the liquid return pipe 12 in the other pipe group, specifically, an installation position 3 is formed between the inclined liquid inlet pipe 11 and the liquid return pipe 12, in this case, two crossed installation positions 3 are provided, and the side centers of the two installation positions 3 are aligned and coincide.
Secondly, the liquid inlet pipes 11 in the two groups of pipe groups are all located below the liquid return pipe 12, and the situation of the scheme is similar to that of the scheme, so that the description is not repeated here.
Thirdly, the liquid inlet pipes 11 of one group of pipe groups are positioned above the liquid return pipe 12, and the liquid inlet pipes 11 of the other group of pipe groups are positioned below the liquid return pipe 12; in particular, the liquid inlet pipe 11 and the liquid return pipe 12 at the same height position form the installation position 3, so that the two installation positions 3 are arranged up and down and are aligned in the center; preferably, referring to one of the above solutions, the ends of the liquid inlet pipe 11 and the liquid return pipe 12 may also be correspondingly provided with a communication joint 13 and a merging joint 14, respectively.
In the scheme, the liquid inlet pipe 11 and the liquid return pipe 12 which are at the same height position are communicated, and the liquid inlet pipe 11 and the liquid return pipe 12 which are inclined can also be adopted; or the two liquid inlet pipes 11 and the two liquid return pipes 12 are communicated one to one.
In the first, second and third embodiments, the battery cells 2 are disposed in two aligned mounting locations 3.
Further, in the above-mentioned first, second and third schemes, in order to better balance the overall temperature of the whole battery pack, two adjacent groups of two adjacent rows of battery cells 2 are arranged in two adjacent groups; the liquid inlet pipe 11 of one pipe group and the liquid return pipe 12 of the other pipe group are arranged close to each other in the left-right (horizontal direction), namely, the liquid inlet pipe 11 of the one pipe group is arranged close to the side surface of the liquid return pipe 12 of the other pipe group; for example, when the tube set on one side of the battery cells 2 is the liquid inlet tube 11 and the liquid return tube 12 are arranged at the lower side, the tube set on the adjacent side of the battery cells 2 is the liquid inlet tube 11 and the liquid return tube 12 are arranged at the lower side.
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 (13)

1. Electric core cooling device, its characterized in that includes:
the liquid cooling assembly (1) comprises at least one liquid inlet pipe (11) and at least one liquid return pipe (12), wherein one end of the liquid inlet pipe (11) is communicated with one end of the liquid return pipe (12);
the liquid cooling assembly (1) further comprises a combining joint (14);
the combining joint (14) comprises a liquid inlet cavity and a liquid outlet cavity;
the other end of the liquid inlet pipe (11) is communicated with the liquid inlet cavity, and the other end of the liquid return pipe (12) is communicated with the liquid outlet cavity;
and a mounting position (3) for the battery cell (2) is arranged between the liquid inlet pipe (11) and the liquid return pipe (12).
2. The cell cooling device according to claim 1, wherein the number of the liquid inlet pipe (11) and the liquid return pipe (12) is one respectively;
the liquid inlet pipe (11) and the liquid return pipe (12) are arranged in a vertically staggered mode.
3. The cell cooling device according to claim 1, wherein the number of the liquid inlet pipe (11) and the liquid return pipe (12) is one respectively;
the liquid inlet pipe (11) and the liquid return pipe (12) are symmetrically arranged left and right.
4. The cell cooling device according to claim 1, wherein the number of the liquid inlet pipes (11) is two, and the number of the liquid return pipes (12) is two;
one liquid inlet pipe (11) and one liquid return pipe (12) are a group of pipe groups; along the height direction of the battery cell (2), the liquid inlet pipe (11) and the liquid return pipe (12) of the same group of the battery packs are overlapped; the two groups of pipe groups are symmetrically arranged left and right; the installation position (3) is formed between the liquid inlet pipe (11) of one group of the pipe groups and the liquid return pipe (12) of the other group of the pipe groups, and two installation positions (3) aligned in the center are formed between the two groups of the pipe groups;
the liquid inlet pipes (11) and the liquid return pipes (12) of the same group of pipe groups are communicated, or one group of liquid inlet pipes (11) and the liquid return pipes (12) of the other group of pipe groups are communicated, and one group of liquid return pipes (12) and the liquid inlet pipes (11) of the other group of pipe groups are communicated.
5. The cell cooling device according to any one of claims 1-4, wherein the liquid cooled assembly (1) further comprises a communication connection (13);
the liquid inlet pipe (11) and the liquid return pipe (12) are respectively communicated with the communication joint (13) so as to realize the communication of the liquid inlet pipe (11) and the liquid return pipe (12).
6. The cell cooling device according to claim 1, wherein the liquid-cooled assembly (1) further comprises a connector (15);
the liquid inlet cavity and the liquid outlet cavity are respectively provided with the connector (15).
7. The cell cooling device according to claim 1, wherein a plurality of water-proof ribs are provided in the liquid inlet pipe (11) to divide the liquid inlet pipe (11) into a plurality of water inlet channels;
and/or a plurality of water-proof ribs are arranged in the liquid return pipe (12) so as to divide the liquid return pipe (12) into a plurality of liquid return channels.
8. The cell cooling device according to claim 1, characterized in that the cell (2) is a cylindrical core;
the liquid inlet pipe (11) and the liquid return pipe (12) are both coiled pipes.
9. A battery pack, characterized by comprising the cell cooling device according to claim 2 and a plurality of rows of the cells (2) arranged in parallel;
a row of the battery cells (2) are arranged in the installation position (3);
in the two adjacent liquid cooling assemblies (1), a liquid inlet pipe (11) of one liquid cooling assembly (1) and a liquid return pipe (12) of the other liquid cooling assembly (1) are arranged in an up-down overlapping mode.
10. A battery pack, characterized by comprising the cell cooling device according to claim 3 and a plurality of rows of the cells (2) arranged in parallel;
the two liquid cooling assemblies (1) are arranged in an up-and-down superposition way to form two mounting positions (3) which are overlapped up and down;
the liquid inlet pipe (11) of one liquid cooling assembly (1) is arranged above the liquid return pipe (12) of the other liquid cooling assembly (1), and the liquid return pipe (12) of one liquid cooling assembly (1) is arranged above the liquid inlet pipe (11) of the other liquid cooling assembly (1);
the battery cells (2) are arranged in the two mounting positions (3) of the two liquid cooling assemblies (1) in an up-down overlapped mode.
11. A battery pack according to claim 10, wherein two liquid cooling assemblies (1) at the same height position of two adjacent rows of the electric cells (2);
one liquid cooling component (1) is provided with a liquid inlet pipe (11) and the other liquid cooling component (1) is provided with a liquid return pipe (12) close to each other.
12. A battery pack comprising the cell cooling device according to claim 4 and a plurality of rows of the cells (2) arranged in parallel;
a row of electric cores (2) are arranged in the two installation positions (3) aligned with the centers of one liquid cooling assembly (1).
13. A battery pack according to claim 12, wherein adjacent two groups of said battery cells (2) of adjacent two rows are in said stack;
the liquid inlet pipe (11) of one pipe group is close to the side surface of the liquid return pipe (12) of the other pipe group.
CN202321686919.1U 2023-06-29 2023-06-29 Battery cell cooling device and battery pack Active CN220604798U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321686919.1U CN220604798U (en) 2023-06-29 2023-06-29 Battery cell cooling device and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321686919.1U CN220604798U (en) 2023-06-29 2023-06-29 Battery cell cooling device and battery pack

Publications (1)

Publication Number Publication Date
CN220604798U true CN220604798U (en) 2024-03-15

Family

ID=90180210

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321686919.1U Active CN220604798U (en) 2023-06-29 2023-06-29 Battery cell cooling device and battery pack

Country Status (1)

Country Link
CN (1) CN220604798U (en)

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