CN219553722U

CN219553722U - Liquid cooling module and battery pack

Info

Publication number: CN219553722U
Application number: CN202223250168.7U
Authority: CN
Inventors: 杨果; 李文文
Original assignee: Tianjin EV Energies Co Ltd
Current assignee: Tianjin EV Energies Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-08-18
Anticipated expiration: 2032-11-25

Abstract

The utility model provides a liquid cooling module and a battery pack, and belongs to the field of power battery systems. The liquid cooling module comprises an end plate and a metal side plate; an accommodating cavity with openings at the upper part and the lower part is formed by surrounding the end plate and the metal side plate; a plurality of Block frames are arranged in the accommodating cavity, the Block frames form a Block module, and an accommodating cavity for accommodating the battery cell is arranged between two adjacent Block frames; the Block frame is provided with a metal plate, at least one side of the metal plate is provided with a battery cell, and one end of the metal plate, which faces the metal side plate, is provided with a heat conducting plate parallel to the metal side plate. The utility model has the beneficial effects that: the metal radiating surface in the Block frame is led out from the side surface instead of the bottom, so that the liquid cooling effect of the side surface of the module can be realized, and the liquid cooling plate does not need to bear the weight of the module; in addition, because the liquid cooling plate is arranged on the side surface of the module, the Z-direction height of the battery system can be effectively reduced, and the special requirements of customers can be met.

Description

Liquid cooling module and battery pack

Technical Field

The utility model belongs to the field of power battery systems, and particularly relates to a liquid cooling module and a battery pack.

Background

At present, the existing plate-type liquid cooling technology is used for transferring heat of an electric core to the bottom of a module, and radiating the heat through a liquid cooling plate contact surface, so that the problem of heat management of a power battery system is solved. However, the liquid cooling plate is located at the bottom of the module, and the heat conducting glue is needed between the liquid cooling plate and the module to fill the system Z-direction height is increased, so that the system Z-direction height is not applicable to the shorter battery PACK. In addition, the liquid cooling plate needs to bear the weight of the module, so that the requirement on the strength of the liquid cooling plate is high. Therefore, there is a need for a compatible liquid cooling module that can effectively reduce the Z-height of a battery system and that is suitable for use with a low-strength liquid cooling plate.

Disclosure of Invention

In view of the above, the present utility model is directed to a liquid cooling module for solving at least one of the above problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a liquid cooling module, comprising:

end plates and metal side plates;

an accommodating cavity with openings at the upper part and the lower part is formed by surrounding the end plate and the metal side plate;

a plurality of Block frames are arranged in the accommodating cavity, the Block frames form a Block module, and an accommodating cavity for accommodating the battery cell is arranged between two adjacent Block frames;

the Block frame is equipped with the metal sheet, at least one side of metal sheet is equipped with the electric core, the metal sheet orientation the one end of metal curb plate be equipped with the parallel heat conduction board of metal curb plate, the metal curb plate with fill between the Block frame and have heat conduction structure to glue, a plurality of the heat conduction board of Block frame orientation same metal curb plate to make electric core, metal sheet, heat conduction board, heat conduction structure glue and metal curb plate form the heat conduction route.

Further, the heat conducting plate is a metal plate.

Further, the metal plate and the heat conducting plate form a T-shaped structure.

Further, the edge part of the metal plate is bent to one side to form a heat conducting plate.

Further, the top frame and the bottom frame of the Block frames are respectively provided with a positioning connection assembly, and the positioning connection assemblies are used for positioning connection between two adjacent Block frames.

Further, the positioning connection assembly includes:

a locating pin and/or a locating hole; and

and (5) a buckle.

A battery pack, comprising:

the module assembly comprises more than two liquid cooling modules,

the liquid cooling plate is positioned on the side surface of the liquid cooling module and is contacted with the metal side plate of the liquid cooling module.

Compared with the prior art, the liquid cooling module has the following beneficial effects:

according to the liquid cooling module, the metal plate radiating surface in the Block frame is led out from the side surface instead of the bottom, so that the liquid cooling effect of the side surface of the module can be realized, and the liquid cooling plate does not need to bear the weight of the module; in addition, because the liquid cooling plate is arranged on the side surface of the module, the Z-direction height of the battery system can be effectively reduced, and the special requirements of customers can be met.

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 diagram of a liquid cooling module according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a Block framework according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a metal plate and a heat conducting plate according to an embodiment of the utility model;

fig. 4 is a schematic diagram of a Block frame and a battery cell according to an embodiment of the present utility model.

Reference numerals illustrate:

1-end plates; 2-end insulating plates; 3-FPC; 4-metal side plates; 5-outputting copper bars by the negative electrode; a 6-Block framework; 7-an electric core; 8-outputting copper bars by the positive electrode; 9-locating pins; 10-positioning holes; 11-a buckle; 12-a metal plate; 13-a heat-conducting plate; 14-cell A; 15-cell B.

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.

As shown in fig. 1 and fig. 2, fig. 1 is a schematic diagram of a liquid cooling module according to an embodiment of the utility model; fig. 2 is a schematic diagram of a Block frame 12 according to an embodiment of the present utility model.

The utility model relates to a liquid cooling module, which comprises:

an end plate 1 and a metal side plate 4;

an accommodating cavity with openings at the upper part and the lower part is formed between the end plate 1 and the metal side plate 4 in a surrounding way;

a plurality of Block frames 6 are arranged in the accommodating cavity, the Block frames 6 form a Block module, and an accommodating cavity for accommodating the battery cell 7 is arranged between two adjacent Block frames 6;

the Block frame 6 is provided with a metal plate 12, at least one side of the metal plate 12 is provided with a battery cell 7, one end of the metal plate 12, which faces the metal side plate 4, is provided with a heat conducting plate 13 parallel to the metal side plate 4, heat conducting structural glue is filled between the metal side plate 4 and the Block frame 6, and a plurality of the heat conducting plates 13 of the Block frame 6 face the same metal side plate 4, so that the battery cell 7, the metal plate 12, the heat conducting plates 13, the heat conducting structural glue and the metal side plate 4 form a heat conducting path.

According to the utility model, the Block frame 6 is provided with the metal plate 12, the metal plate 12 is in large-surface contact with the battery cell 7, the metal plate 12 is provided with the heat conducting plate 13 parallel to the metal side plate 14, the heat radiating surface of the heat conducting plate is led out from the side surface of the Block frame 6, the heat conducting glue structure is filled between the metal side plate 4 and the Block frame 6, the metal side plate 4 and the side surface heat conducting plate 13 of the Block frame 6 are covered, the metal side plate 4 is attached to the liquid cooling plate, the heat of the battery cell 7 passes through the metal plate 12 in the Block frame 6, the heat conducting plate 13, the heat conducting structural glue and the metal side plate are finally transferred to the liquid cooling plate, and the heat is radiated out, so that the side surface liquid cooling effect is realized. The liquid cooling board is located module side design form, can effectively reduce the height of battery package, promotes the suitability of battery package, and the liquid cooling board also need not to bear module weight moreover, makes the liquid cooling board not fragile, is difficult for producing the coolant liquid and reveal the problem.

In the embodiment of the present utility model, the metal side plate 4 may be, for example, an aluminum plate.

Further, the heat conducting plate 13 is a metal plate, for example, an aluminum plate.

Fig. 3 is a schematic view of a metal plate and a heat conducting plate according to an embodiment of the utility model, as shown in fig. 3 and 4; fig. 4 is a schematic diagram of a Block frame and a battery cell according to an embodiment of the present utility model.

The cell A14 and the cell B15 are respectively positioned at two sides of the Block frame 6, and the large surface of the cell is attached to the Block frame metal plate 12.

In the liquid cooling module according to the present utility model, the metal side plate 4 is located at the side of the Block frame 6, so that the heat generated from the battery cell 7 is transferred to the liquid cooling plate fixed on the metal side plate 4 through the metal side plate 4 for heat dissipation.

In the embodiment of the present utility model, the metal plate 12 and the heat conducting plate 13 may be integrally formed or may be separately formed.

Further, the metal plate 12 and the heat conducting plate 13 form a T-shaped structure.

Further, the edge portion of the metal plate 12 is bent to one side to form a heat conductive plate 13.

Further, the top frame and the bottom frame of the Block frame 6 are respectively provided with a positioning connection assembly, and the positioning connection assemblies are used for positioning connection between two adjacent Block frames.

Further, the positioning connection assembly includes:

a locating pin 9 and/or a locating hole 10; and

a clasp 11.

In one embodiment, the liquid cooling module may further include an end insulating plate 2, a negative output copper bar 5, and a positive output copper bar 8;

the negative electrode output copper bar 5 is connected with the negative electrode of the battery cell positioned at one end part in the Block module;

the positive electrode output copper bar 8 is connected with the positive electrode of the battery cell positioned at the end part of the other end of the Block module;

the end insulating plates 2 are respectively arranged between the negative electrode output copper bar 5, the positive electrode output copper bar 8 and the end plate 1.

In another embodiment, the liquid cooling module may further include an FPC3, where the FPC3 is a flexible circuit board;

the FPC3 is arranged between the side plate 4 and the Block structure 6.

The present utility model also provides a battery pack including:

the module assembly comprises more than two liquid cooling modules,

the liquid cooling plate is positioned on the side surface of the liquid cooling module and is contacted with the metal side plate 4 of the liquid cooling module.

In the utility model, the liquid cooling plate is not arranged on the bottom surface of the module, but is arranged on the side surface of the module, so that the weight of the module is not required to be born. In addition, the liquid cooling plate is arranged on the side face of the module, so that the Z-direction height of the battery pack can be effectively reduced, and special requirements of customers can be met.

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; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

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

1. The utility model provides a liquid cooling module which characterized in that: comprising the following steps:

an end plate (1) and a metal side plate (4);

an accommodating cavity with openings at the upper part and the lower part is formed between the end plate (1) and the metal side plate (4) in a surrounding way;

a plurality of Block frames (6) are arranged in the accommodating cavity, the Block modules are formed by the Block frames (6), and accommodating cavities for accommodating the battery cells (7) are arranged between two adjacent Block frames (6);

the Block frame (6) is provided with a metal plate (12), at least one side of the metal plate (12) is provided with a battery cell (7), one end of the metal plate (12) facing the metal side plate (4) is provided with a heat conducting plate (13) parallel to the metal side plate (4), heat conducting structural adhesive is filled between the metal side plate (4) and the Block frame (6), and the heat conducting plates (13) of the Block frame (6) face the same metal side plate (4) so that the battery cell (7), the metal plate (12), the heat conducting plate (13), the heat conducting structural adhesive and the metal side plate (4) form a heat conducting path.

2. A liquid cooling module according to claim 1, wherein the heat conducting plate (13) is a metal plate.

3. A liquid cooling module according to claim 1 or 2, characterized in that the metal plate (12) and the heat conducting plate (13) form a T-shaped structure.

4. A liquid cooling module according to claim 1 or 2, wherein the edge portion of the metal plate (12) is bent to one side to form a heat-conducting plate (13).

5. The liquid cooling module set as claimed in claim 1, wherein the top frame and the bottom frame of the Block frame (6) are respectively provided with a positioning connection assembly, and the positioning connection assembly is used for positioning connection between two adjacent Block frames.

6. The liquid cooling module as claimed in claim 5, wherein the positioning connection assembly comprises:

a positioning pin (9) and/or a positioning hole (10); and

a buckle (11).

7. A battery pack, comprising:

a module assembly comprising at least two liquid-cooled modules according to any one of claims 1 to 6,

the liquid cooling plate is positioned on the side surface of the liquid cooling module and is contacted with the metal side plate (4) of the liquid cooling module.