CN216793857U - Integrated liquid cooling battery module - Google Patents

Abstract

The utility model discloses an integrated liquid-cooled battery module, which comprises a liquid-cooled plate provided with a cold liquid inlet and a cold liquid outlet, wherein the upper end surface of the liquid-cooled plate is connected with an electric core group, the upper end of the liquid-cooled plate is connected with a side fence which is used for closely surrounding the electric core group and limiting the expansion of the electric core group, and the upper end of the side fence is provided with an upper cover plate which covers the electric core group. This liquid cooling battery module of integration lets electric core group and liquid cooling board cooling surface direct contact, has improved the cooling rate of electric core group, and the liquid cooling board acts as the hypoplastron of module, has strengthened module intensity and rigidity. The liquid cooling plate serves as a bottom plate, so that the space of one part is saved, the height of the module is reduced, the space utilization rate is improved, the upper cover plate adopts a plastic sucking piece, the weight of the module is reduced, and the number of the electric core groups can be adjusted to adapt to battery packs with different space requirements.

Description

Integrated liquid cooling battery module

Technical Field

The application relates to the technical field of batteries, in particular to an integrated liquid cooling battery module.

Background

With the development of new energy technology, the endurance mileage of the electric vehicle is continuously upgraded, but under the condition that the size of the battery pack is not changed much, the upgrading of the electric quantity of the electric vehicle is a difficult problem at present. To solve this problem, the following 2 aspects can be taken: (1) and the energy density of the cell is improved. (2) The space utilization rate is improved. However, the breakthrough of cell energy density is not solved in a short time, so that it becomes important to improve the space utilization.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings of the prior art, it is an object of the present application to provide an integrated liquid-cooled battery module, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a liquid cooling battery module of integration, is including being equipped with the liquid cooling board that cold liquid was imported and exported, the up end of liquid cooling board is connected with electric core group, and the upper end of liquid cooling board is connected with to hug closely the electric core group and surround the sidewise rail that is used for restricting the inflation of electric core group, and the upper end of sidewise rail is provided with the upper cover plate of lid in electric core group top.

Further, the sidewise fence includes the closed frame that is formed by two relative curb plates and two end plate end to end connections, and the both ends of curb plate are connected with the limit of bending that extends to the end plate inside wall, and the curb plate forms frame construction through the limit of bending and end plate welded mode, and the end plate passes through bolt locking on the liquid cooling board.

Furthermore, a boss buckle is arranged on the end plate.

Furthermore, the inside wall of side direction rail is connected with first insulation board, and it is fixed to glue through the structure between the lateral wall of electric core group and the first insulation board, reaches the purpose of organizing the insulation with the electric core.

Further, the electric core group is three rows, is equipped with the second insulation board between every row of electric core group, and the second insulation board passes through the structure to glue and bonds on the lateral wall of electric core group, and every row of electric core group is laminated each other by a plurality of electric cores and is constituteed, bonds through the double faced adhesive tape between two adjacent electric cores and has the insulating piece, and electric clamp plate is installed to the upper end of electric core group, and a plurality of flexible circuit board are installed to electric clamp plate's upper end, and the upper cover plate passes through the plastic screw fastening on electric clamp plate.

Further, the number of the flexible circuit boards on each row of the electric core groups is two.

Furthermore, the upper cover plate is made of a plastic-absorbing plate, and the weight of the module is reduced by adopting the plastic-absorbing plate.

Furthermore, the electric core group is adhered to the upper end face of the liquid cooling plate through heat conducting structural adhesive.

Furthermore, the liquid cooling plate is made of aluminum profiles.

Compared with the prior art, the utility model has the beneficial effects that: this liquid cooling battery module of integration lets electric core group and liquid cooling board cooling surface direct contact, has improved the cooling rate of electric core group, and the liquid cooling board acts as the hypoplastron of module, has strengthened module intensity and rigidity. The liquid cooling plate serves as a bottom plate, so that the space of one part is saved, the height of the module is reduced, the space utilization rate is improved, the upper cover plate adopts a plastic sucking piece, the weight of the module is reduced, and the number of the electric core groups can be adjusted to adapt to battery packs with different space requirements.

Drawings

FIG. 1 is a schematic diagram of an explosive structure according to the present invention;

fig. 2 is a schematic diagram of the electric core group and side fence explosion structure of the utility model.

The reference numbers illustrate: liquid cooling board 1, electric core group 2, side rail 3, curb plate 31, limit 311 of bending, end plate 32, boss buckle 321, upper cover plate 4, first insulating board 5, electric clamp plate 6, flexible circuit board 7, second insulation board 8.

Detailed Description

The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and various changes in detail without departing from the spirit of the present application. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a liquid cooling battery module of integration, as shown in fig. 1, including the liquid cooling board 1 that is equipped with cold liquid and imports and exports, the material of liquid cooling board 1 is the aluminium alloy, structural strength is higher than the bottom plate of current battery module, to the battery package that has the ball impact of harsh bottom, electric core safety has been increased, the up end of liquid cooling board 1 is connected with electric core group 2, electric core group 2 glues on the up end of liquid cooling board 1 through the heat conduction structure, avoid electric core group 2 at vertical run-out, the upper end of liquid cooling board 1 is connected with to hug closely with electric core group 2 and surrounds side direction fence 3 that is used for restricting the inflation of electric core group 2, the upper end of side direction fence 3 is provided with the upper cover plate 4 of lid in electric core group 2 top, the material of upper cover plate 4 is the plastic uptake board, alleviate module weight.

The side fence 3 comprises a closed frame formed by connecting two opposite side plates 31 and two end plates 32 end to end, the specific structure of the closed frame can be a rectangular structure, the two ends of the side plates 31 are connected with bending edges 311 extending towards the inner side walls of the end plates 32, the side plates 31 form a frame structure by welding the bending edges 311 with the end plates 32, the end plates 32 are locked on the liquid cooling plate 1 through bolts, the end plates 32 are provided with boss buckles 321, specifically, the number of the boss buckles 321 is four, one boss buckle 321 is a high-voltage buckle, the other three are low-voltage buckles and used for fixing high-low voltage lines, the inner side walls of the side fence 3 are connected with first insulating plates 5, only the first insulating plates 5 on the end plates 32 are shown in figures 1 and 2, the first insulating plates 5 on the side plates 31 are connected with the side plates 31 and are not detached to display, the outer side walls of the core pack 2 are fixed with the first insulating plates 5 through structural glue, achieving the purpose of insulation with the electric core group 2.

As shown in fig. 2, the electric core assembly 2 is three rows, be equipped with second insulation board 8 between every row of electric core assembly 2, second insulation board 8 passes through the structural adhesive and bonds on the lateral wall of electric core assembly 2, every row of electric core assembly 2 is laminated mutually by a plurality of electric cores and is constituteed, it has the insulating piece to bond through the double faced adhesive tape between two adjacent electric cores, electric pressing plate 6 is installed to the upper end of electric core assembly 2, a plurality of flexible circuit board 7 are installed to electric pressing plate 6's upper end, upper cover plate 4 passes through the fastening of plastic screw on electric pressing plate 6, the quantity of flexible circuit board 7 on every row of electric core assembly 2 is two.

The integrated liquid cooling plate 1 can play a role in cooling the electric core group 2, and meanwhile, the integrated liquid cooling plate also serves as a bottom shell of the module, so that the rigidity of the module is enhanced. Because the replacement of the bottom shell is equivalent to the space saving of one part, the aim of saving the vertical space size of the whole bag is fulfilled, and meanwhile, the upper cover plate 4 adopts a plastic sucking part to achieve the lightweight design.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims (9)

1. The utility model provides a liquid cooling battery module of integration, is including being equipped with liquid cooling board (1) that cold liquid was imported and exported, its characterized in that: the upper end surface of liquid cooling board (1) is connected with electric core group (2), and the upper end of liquid cooling board (1) is connected with hugs closely electric core group (2) and surrounds sidewise rail (3) that are used for restricting electric core group (2) inflation, and the upper end of sidewise rail (3) is provided with upper cover plate (4) of lid in electric core group (2) top.

2. The integrated liquid-cooled battery module of claim 1, wherein: lateral fence (3) are including the closed frame that is formed by relative two curb plate (31) and two end plate (32) end to end connection, and the both ends of curb plate (31) are connected to the limit of bending (311) that extend to end plate (32) inside wall, and curb plate (31) form frame construction through limit of bending (311) and end plate (32) welded mode, and end plate (32) pass through bolt locking on liquid cooling board (1).

3. The integrated liquid-cooled battery module of claim 2, wherein: and a boss buckle (321) is arranged on the end plate (32).

4. The integrated liquid-cooled battery module of claim 1 or 2, wherein: the inside wall of sidewise rail (3) is connected with first insulation board (5), bonds fixedly through the structure glue between the lateral wall of electric core group (2) and first insulation board (5).

5. The integrated liquid-cooled battery module of claim 1, wherein: the utility model discloses a novel electricity core group, including the electricity core group (2), be equipped with second insulation board (8) between every row of electricity core group (2), second insulation board (8) bond on the lateral wall of electricity core group (2) through the structure glue, every row of electricity core group (2) are laminated mutually by a plurality of electric cores and are constituteed, it has the insulating piece to bond through the double faced adhesive tape between two adjacent electric cores, electric clamp plate (6) are installed to the upper end of electricity core group (2), a plurality of flexible circuit board (7) are installed to the upper end of electric clamp plate (6), upper cover plate (4) are through the plastic screw fastening on electric clamp plate (6).

6. The integrated liquid-cooled battery module of claim 5, wherein: the number of the flexible circuit boards (7) on each row of the electric core group (2) is two.

7. The integrated liquid-cooled battery module of claim 1, wherein: the upper cover plate (4) is made of a plastic-absorbing plate.

8. The integrated liquid-cooled battery module of claim 1, wherein: the electric core group (2) is adhered to the upper end face of the liquid cooling plate (1) through heat conducting structural adhesive.

9. The integrated liquid-cooled battery module of claim 1, wherein: the liquid cooling plate (1) is made of aluminum profiles.

Images