CN220934203U - Cooling assembly, battery pack and vehicle - Google Patents

Cooling assembly, battery pack and vehicle Download PDF

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Publication number
CN220934203U
CN220934203U CN202322667598.7U CN202322667598U CN220934203U CN 220934203 U CN220934203 U CN 220934203U CN 202322667598 U CN202322667598 U CN 202322667598U CN 220934203 U CN220934203 U CN 220934203U
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China
Prior art keywords
cooling
cavity
plate
cover plate
bottom plate
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Active
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CN202322667598.7U
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Chinese (zh)
Inventor
王磊
金艳芳
刘崇威
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Priority to CN202322667598.7U priority Critical patent/CN220934203U/en
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Abstract

The utility model provides a cooling assembly, a battery pack and a vehicle, which comprise: the cooling bottom plate is internally provided with a first cooling cavity; the cooling side plates are internally provided with second cooling cavities, the cooling side plates are connected with the cooling bottom plate, and a containing cavity for embedding a power supply core is enclosed between every two adjacent cooling side plates and the cooling bottom plate; the cooling cover plate is internally provided with a third cooling cavity, the cooling cover plate is positioned on one side of the cooling side plate away from the cooling bottom plate, the opening of the cooling cover plate, which is opposite to the accommodating cavity and the cooling bottom plate, is plugged, the cooling cover plate is internally provided with a first separating piece, and the first separating piece separates the third cooling cavity into a plurality of cooling flow channels. The utility model increases the contact area of the battery core and the cooling medium, and ensures that each area of the battery core contacted with the cooling medium can exchange heat efficiently, thereby improving the cooling efficiency of the battery core.

Description

Cooling assembly, battery pack and vehicle
Technical Field
The application relates to the technical field of batteries, in particular to a cooling assembly, a battery pack and a vehicle.
Background
A battery is a device for converting and storing energy, and is a core power source for running an automobile in the field of electric automobiles. However, when the existing battery is charged at high multiplying power or discharged at high current, the temperature of the battery core in the battery can be quickly raised, and if the battery core cannot be timely cooled, the service life of the battery core can be influenced, the battery is unstable to operate, and serious potential safety hazards exist.
In order to solve the technical problem, a cooling plate is generally arranged on the side face of the battery, so that cooling liquid in the cooling plate is utilized to take away heat on the battery core, and the purpose of radiating and cooling the battery core is achieved.
The above-mentioned mode of setting up the cooling plate in the battery side, although played certain heat dissipation effect, because the battery is inside to be arranged by the polylith electric core and be constituteed generally to every electric core only exposes to outside single side and can contact with the side cooling plate and carry out heat transfer, thereby lead to the cooling efficiency of electric core lower.
Disclosure of utility model
In view of the foregoing, the present utility model is directed to a cooling assembly, a battery pack and a vehicle for improving the cooling efficiency of the battery cells.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
A cooling assembly, comprising: the cooling bottom plate is internally provided with a first cooling cavity; the cooling side plates are internally provided with second cooling cavities, the cooling side plates are connected with the cooling bottom plate, and a containing cavity embedded with power supply is formed between every two adjacent cooling side plates and the cooling bottom plate; the cooling cover plate is internally provided with a third cooling cavity, the cooling cover plate is positioned on one side, away from the cooling bottom plate, of the cooling side plate, the cooling cover plate seals the opening, opposite to the cooling bottom plate, of the accommodating cavity, a first separating piece is arranged in the cooling cover plate, and the first separating piece separates the third cooling cavity into a plurality of cooling flow channels.
Further, the first cooling chamber and the second cooling chamber are in communication.
Further, the cooling assembly further comprises two cooling pipes; the two cooling pipes are respectively positioned at two ends of the cooling side plate, penetrate through the cooling side plate and are communicated with the second cooling cavity in each cooling side plate, and the flow directions of cooling mediums in the two cooling pipes are opposite.
Further, two cooling joints are connected to the cooling cover plate; the cooling joints are respectively arranged at two ends of the cooling cover plate, the inner cavities of the cooling joints are communicated with the third cooling cavity, and the flow directions of cooling mediums in the two cooling joints are opposite.
Further, the cooling assembly further comprises two three-way valves: the two three-way valves are respectively arranged at two ends of the cooling side plate, and the three-way valves are used for communicating the cooling pipe with the cooling joint.
Further, a second partition member is arranged in the cooling bottom plate, and divides the first cooling cavity into a plurality of flow channels.
Further, a third partition member is arranged in at least one cooling side plate, and divides the second cooling cavity into a plurality of flow channels.
Further, the cooling cover plate is detachably connected to the cooling side plate.
The cooling assembly according to the utility model has the following advantages over the prior art:
According to the cooling assembly, the cooling bottom plate with the cooling cavity and the cooling side plate are used for enclosing the accommodating cavity with the embedded power supply core, the power supply core is fixed in the accommodating cavity, then the cooling cover plate with the cooling cavity is covered on the cooling side plate, and cooling medium is introduced into the cooling cavity, so that the bottom surface, the top surface and the two large surfaces of the power supply core are cooled simultaneously; in addition, the first separating piece separates the third cooling cavity in the cooling cover plate into a plurality of cooling flow channels, and when cooling medium is introduced, the cooling medium in two adjacent cooling flow channels is not easy to mix, so that the cooling medium in each cooling flow channel can keep a low-temperature state and is not influenced by excessive temperature of the cooling medium in other cooling flow channels, and the battery core can exchange heat efficiently in each area contacted with the cooling medium, thereby further improving the cooling efficiency of the battery core.
Another object of the present utility model is to provide a battery pack to improve cooling efficiency for a battery.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a battery pack comprising the cooling assembly of any preceding claim and at least one cell disposed within the receiving cavity.
Compared with the prior art, the battery pack provided by the utility model has the following advantages:
According to the battery pack provided by the embodiment of the utility model, the cooling efficiency of the battery pack is improved through the cooling assembly, so that the service life of the battery pack is prolonged, and the potential safety hazard caused by heating of the battery core is reduced.
Another object of the present utility model is to propose a vehicle comprising the aforesaid battery pack.
The vehicle has the same advantages as the battery pack described above over the prior art, and will not be described in detail here.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of a cooling module according to an embodiment of the present utility model;
Fig. 2 is an enlarged view of a portion a of fig. 1;
FIG. 3 is a top view of the overall structure of a cooling cover plate in an embodiment of the utility model;
FIG. 4 is a cross-sectional view taken along the line A-A of FIG. 3;
FIG. 5 is a schematic view of a portion of a cooling assembly according to an embodiment of the present utility model;
FIG. 6 is a partial structural top view of a cooling assembly in an embodiment of the utility model;
FIG. 7 is a cross-sectional view taken along the direction B-B of FIG. 6;
FIG. 8 is a cross-sectional view taken along the direction C-C of FIG. 6;
Fig. 9 is a schematic diagram of the cooling medium flow.
Reference numerals illustrate:
1. cooling the bottom plate; 11. a first cooling chamber; 2. cooling the side plates; 21. a second cooling chamber; 3. cooling the cover plate; 31. a third cooling chamber; 32. cooling the joint; 4. a first partition; 41. wide reinforcing ribs; 42. narrow reinforcing ribs; 5. a cooling tube; 6. a three-way valve; 7. a second separator; 8. a third partition; 9. a receiving chamber.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1-8, the present utility model provides a cooling assembly comprising: the cooling device comprises a cooling bottom plate 1, wherein a first cooling cavity 11 is arranged in the cooling bottom plate 1; the cooling device comprises at least two cooling side plates 2, wherein a second cooling cavity 21 is arranged in each cooling side plate 2, each cooling side plate 2 is connected with a cooling bottom plate 1, and a containing cavity 9 for embedding power supply is formed between two adjacent cooling side plates 2 and the cooling bottom plates 1; the cooling apron 3, be equipped with the third cooling chamber 31 in the cooling apron 3, the cooling apron 3 is located cooling curb plate 2 is kept away from one side of cooling bottom plate 1, the cooling apron 3 will hold chamber 9 with the opening shutoff that cooling bottom plate 1 is relative, be equipped with first separator 4 in the cooling apron 3, first separator 4 will the third cooling chamber 31 separates into many cooling runners.
Specifically, the number of cooling side plates 2 in this embodiment may be reasonably selected according to the number of installed battery cells; the cooling side plate 2 is welded on the cooling bottom plate 1, the cooling cover plate 3 and the cooling bottom plate 1 are consistent in size, and after the battery cell is installed in the accommodating cavity 9, the cooling cover plate 3 is covered on the cooling side plate 2, so that the opening at the top of the accommodating cavity 9 is plugged by the cooling cover plate 3; during cooling, cooling medium is respectively injected into the first cooling cavity 11, the second cooling cavity 21 and the third cooling cavity 31, so that the bottom surface, the top surface and the two large surfaces of the battery cell are simultaneously cooled, and compared with the prior art, the contact area of the battery cell and the cooling medium is increased, and the cooling efficiency of the battery cell is improved.
Further, referring to fig. 3 and 4, the first partition 4 includes a wide reinforcing rib 41 and a narrow reinforcing rib 42, the wide reinforcing rib 41 is welded to the inner wall of the third cooling chamber 31, and a communication gap is left between both ends of the wide reinforcing rib 41 and the inner wall of the third cooling chamber 31; the narrow reinforcing ribs 42 are welded with the inner wall of the third cooling cavity 31, and communication gaps are reserved between the two ends of the narrow reinforcing ribs 42 and the inner wall of the third cooling cavity 31; the wide reinforcing ribs 41 divide the third cooling chamber 31 into a plurality of wide flow channels on average, and then the narrow reinforcing ribs 42 divide the wide flow channels into a plurality of narrow flow channels on average. The wide reinforcing ribs 41 and the narrow reinforcing ribs 42 not only enhance the structural strength of the cooling cover plate 3, but also divide the third cooling cavity 31 into a plurality of cooling flow channels, and when cooling medium is introduced, the cooling medium in two adjacent cooling flow channels is not easy to mix, so that the cooling medium in each cooling flow channel can keep a low-temperature state and is not excessively influenced by the temperature of the cooling medium in other cooling flow channels, and the battery core can exchange heat efficiently on each area contacted with the cooling medium, thereby further improving the cooling efficiency of the battery core.
The cooling medium in this embodiment may be any low-temperature substance such as a coolant or a cold air, and may be cooled by exchanging heat with the battery cell.
Further, the first cooling chamber 11 and the second cooling chamber 21 communicate.
Specifically, in one embodiment, the first cooling chamber 11 and the second cooling chamber 21 are communicated with each other, so that the first cooling chamber 11 and the second cooling chamber 21 can share an in-out passage of the cooling medium, thereby reducing the equipment cost.
Further, referring to fig. 5-7, the cooling assembly further comprises two cooling pipes 5; the two cooling pipes 5 are respectively positioned at two ends of the cooling side plate 2, the cooling pipes 5 penetrate through the cooling side plate 2 and are communicated with the second cooling cavity 21 in each cooling side plate 2, and the flow directions of cooling mediums in the two cooling pipes 5 are opposite.
Specifically, in one specific embodiment, the cooling pipes 5 are welded to the cooling side plates 2, the inner cavities of the cooling pipes 5 are communicated with the second cooling cavities 21 in each cooling side plate 2, the cooling medium flows in the second cooling cavities 21 through the cooling pipes 5, and the cooling medium can quickly enter the second cooling cavities 21 in each cooling side plate 2 along the cooling pipes 5, so that the cooling effect of each cooling side plate 2 is ensured, and the cooling efficiency of the battery cells is improved.
Further, referring to fig. 2 and 4, two cooling joints 32 are connected to the cooling cover plate 3; the two cooling joints 32 are respectively disposed at two ends of the cooling cover plate 3, and the inner cavities of the cooling joints 32 are communicated with the third cooling cavity 31, and the cooling mediums in the two cooling joints 32 have opposite flow directions.
Specifically, the cooling joint 32 is welded to the cooling cover plate 3 and communicates with the third cooling chamber 31 in the cooling cover plate 3, and the cooling joint 32 provides a passage for a cooling medium to enter and exit the third cooling chamber 31.
Further, referring to fig. 2, the cooling assembly further comprises two three-way valves 6: two three-way valves 6 are respectively provided at both ends of the cooling side plate 2, and the three-way valves 6 communicate the cooling pipe 5 with the cooling joint 32.
Specifically, in one specific embodiment, the three-way valve 6 communicates the cooling pipe 5 with the cooling joint 32, so that the third cooling chamber 31 in the cooling cover plate 3 and the second cooling chamber 21 in the cooling side plate 2 are communicated, and as shown in fig. 9, the cooling medium enters through one of the three-way valves 6, is split into the second cooling chamber 21 and the third cooling chamber 31, and finally is discharged together through the other three-way valve 6, thereby forming a cooling flow path.
Further, referring to fig. 7 and 8, a second partition 7 is provided in the cooling base plate 1, and the second partition 7 partitions the first cooling chamber 11 into a plurality of flow channels.
Specifically, in a specific embodiment, the second separator 7 is a reinforcing rib, the reinforcing rib is arranged at equal intervals along the long side direction of the cooling bottom plate 1, the reinforcing rib is welded with the inner wall of the first cooling cavity 11, and two ends of the reinforcing rib can be connected with the first cooling cavity 11 in a seamless manner, and a communication gap can also be reserved; the strengthening rib has not only strengthened the structural strength of cooling bottom plate 1, and separates first cooling chamber 11 into many cooling flow channels to make the coolant in two adjacent cooling flow channels be difficult for mixing, thereby make the coolant in every cooling flow channel can keep self low temperature state and not receive the too much influence of coolant temperature in other cooling flow channels, in order to guarantee that the battery core can both high-efficient heat transfer on every region with the coolant contact, thereby further improved the cooling efficiency of battery core.
Further, referring to fig. 7 and 8, a third partition 8 is provided in the cooling side plate 2, and the third partition 8 partitions the second cooling chamber 21 into a plurality of flow channels.
Specifically, in a specific embodiment, the third partition 8 is a reinforcing rib, the reinforcing ribs are arranged at equal intervals along the height direction of the cooling side plate 2, the reinforcing ribs are welded with the inner wall of the second cooling cavity 21, and a communication gap is reserved between two ends of the reinforcing ribs and the inner wall of the first cooling cavity 11; the strengthening rib has not only strengthened the structural strength of cooling curb plate 2, and separates the second cooling chamber 21 into many cooling flow channels to make the coolant in two adjacent cooling flow channels be difficult for mixing, thereby make the coolant in every cooling flow channel can keep self low temperature state and not receive the too much influence of coolant temperature in other cooling flow channels, in order to guarantee that the battery core can both high-efficient heat transfer on every region with the coolant contact, thereby further improved the cooling efficiency of battery core.
Further, the cooling cover plate 3 is detachably connected to the cooling side plate 2.
Specifically, in one specific embodiment, the cooling cover plate 3 may be fixed on the cooling side plate 2 by using bolts or riveting screws, so as to facilitate the disassembly of the cooling cover plate 3, and facilitate the subsequent replacement or overhaul of the battery cells.
The utility model also provides a battery package, battery package include the cooling module and at least a electric core of arbitrary preceding claim, the electric core set up in hold in the chamber 9.
Specifically, in one specific embodiment, the battery cell is fixed in the accommodating cavity 9 by means of the heat conducting structural adhesive, so that the battery cell is efficiently cooled by means of the cooling component, and potential safety hazards caused by heat generation of the battery pack are reduced.
The utility model provides a vehicle still provides, the vehicle includes aforementioned battery package, in the vehicle of being equipped with above-mentioned battery package, can solve the problem that current electric core cooling efficiency is low equally to improve the fortune nature stability and the security of vehicle.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A cooling assembly, comprising:
The cooling device comprises a cooling bottom plate (1), wherein a first cooling cavity (11) is arranged in the cooling bottom plate (1);
The cooling device comprises at least two cooling side plates (2), wherein a second cooling cavity (21) is formed in each cooling side plate (2), each cooling side plate (2) is connected with the corresponding cooling bottom plate (1), and a containing cavity (9) with an embedded power supply core is formed between every two adjacent cooling side plates (2) and the corresponding cooling bottom plates (1);
The cooling cover plate (3), be equipped with third cooling chamber (31) in cooling cover plate (3), cooling cover plate (3) are located cooling curb plate (2) are kept away from one side of cooling bottom plate (1), cooling cover plate (3) will hold chamber (9) with the shutoff of the relative opening of cooling bottom plate (1), be equipped with first separator (4) in cooling cover plate (3), first separator (4) will third cooling chamber (31) separate for many cooling flow channels.
2. A cooling assembly according to claim 1, wherein,
The first cooling cavity (11) and the second cooling cavity (21) are communicated.
3. A cooling assembly according to claim 1, wherein,
The cooling assembly further comprises two cooling pipes (5);
The two cooling pipes (5) are respectively positioned at two ends of the cooling side plate (2), the cooling pipes (5) penetrate through the cooling side plate (2) and are communicated with the second cooling cavity (21) in each cooling side plate (2), and the flow directions of cooling mediums in the two cooling pipes (5) are opposite.
4. A cooling assembly according to claim 3, wherein,
Two cooling joints (32) are connected to the cooling cover plate (3);
The cooling joints (32) are respectively arranged at two ends of the cooling cover plate (3), the inner cavities of the cooling joints (32) are communicated with the third cooling cavity (31), and the cooling media in the two cooling joints (32) are opposite in flow direction.
5. The cooling assembly of claim 4, wherein the cooling assembly comprises a cooling assembly,
The cooling assembly further comprises two three-way valves (6):
The two three-way valves (6) are respectively arranged at two ends of the cooling side plate (2), and the three-way valves (6) are used for communicating the cooling pipe (5) with the cooling joint (32).
6. A cooling assembly according to claim 1, wherein,
A second partition piece (7) is arranged in the cooling bottom plate (1), and the first cooling cavity (11) is partitioned into a plurality of flow channels by the second partition piece (7).
7. A cooling assembly according to claim 1, wherein,
And at least one cooling side plate (2) is internally provided with a third partition piece (8), and the second cooling cavity (21) is partitioned into a plurality of flow channels by the third partition piece (8).
8. A cooling assembly according to claim 1, wherein,
The cooling cover plate (3) is detachably connected to the cooling side plate (2).
9. A battery pack, characterized in that,
The battery pack comprises the cooling assembly of any one of claims 1-8 and at least one electrical cell, which is arranged in the receiving chamber (9).
10. A vehicle is characterized in that,
The vehicle comprising the battery pack of claim 9.
CN202322667598.7U 2023-09-28 2023-09-28 Cooling assembly, battery pack and vehicle Active CN220934203U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322667598.7U CN220934203U (en) 2023-09-28 2023-09-28 Cooling assembly, battery pack and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322667598.7U CN220934203U (en) 2023-09-28 2023-09-28 Cooling assembly, battery pack and vehicle

Publications (1)

Publication Number Publication Date
CN220934203U true CN220934203U (en) 2024-05-10

Family

ID=90966198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322667598.7U Active CN220934203U (en) 2023-09-28 2023-09-28 Cooling assembly, battery pack and vehicle

Country Status (1)

Country Link
CN (1) CN220934203U (en)

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