CN219371115U

CN219371115U - Aluminum alloy battery pack lower box body with module mounting beam as cooling water channel

Info

Publication number: CN219371115U
Application number: CN202223036905.3U
Authority: CN
Inventors: 袁代敏; 石好祥; 曾土伟; 吴俊龙; 韦雨亭
Original assignee: Aisn Innovative Design And Manufacturing Co ltd
Current assignee: Aisn Innovative Design And Manufacturing Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-07-18
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to an aluminum alloy battery pack lower box body with a module mounting beam as a cooling water channel, which comprises a cooling liquid inlet, a front side beam, a bottom plate, a module mounting beam, a baffle plate, a right side beam, a liquid passing opening on the right side beam, a rear side beam, a cooling liquid outlet, a left side beam and a liquid passing opening on the left side beam. On the premise of not adding additional parts, the die cavities of the die set mounting beam and the left and right side beams are used as cooling water channels. The side face of the boundary beam is provided with a water inlet and a water outlet, and a baffle plate is added at the corresponding position of the boundary beam to isolate the flow direction of liquid, so that the liquid flows according to a specific channel. The cavity of the boundary beam serves as a transition pipe of the cooling water channel, a plurality of liquid passing openings are formed in the boundary beam at intervals, and the liquid passing openings are in one-to-one butt joint with the module installation beams. The liquid smoothly flows to the module installation beam after entering the side beam cavity, and a specific cooling water channel loop is formed between the side beam cavity and the module installation beam cavity under the action of the partition plate.

Description

Aluminum alloy battery pack lower box body with module mounting beam as cooling water channel

Technical Field

The utility model relates to the field of new energy automobile parts, in particular to an aluminum alloy battery pack lower box body with a module mounting beam as a cooling water channel.

Background

The existing battery pack box body heat dissipation modes comprise natural cooling, air cooling, liquid cooling and the like. Compared with other heat dissipation modes, the liquid cooling heat dissipation mode has higher heat dissipation efficiency. In the battery pack box body structure adopting the liquid cooling heat dissipation mode, a bottom plate cavity is mostly used as a cooling water channel, or a cooling plate is additionally arranged in the box body. The prior art has three problems: firstly, a cooling plate is additionally added, so that the cost is high; second, the cooling pattern of the base plate does not meet the heat dissipation requirements of a particular battery (e.g., a blade battery); thirdly, the structure of the bottom plate cavity is too complex, and the processing amount is large.

Disclosure of Invention

Aiming at the requirements in the prior art, the utility model provides the aluminum alloy battery pack lower box body with the module mounting beam as the cooling water channel, and the module mounting Liang Xingqiang is used as the cooling water channel, so that the communication problem between the module mounting Liang Xingqiang is solved, the occupation amount of the cooling structure to the space in the shell is reduced, the complicated processing procedures are solved, and the manufacturing cost is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a box under module installation roof beam is aluminum alloy battery package of cooling water course, box under battery package includes coolant liquid entry, front side roof beam, bottom plate module installation roof beam, baffle, right side roof beam, the liquid mouth of crossing on the right side roof beam, rear side roof beam, coolant liquid export, left side roof beam and the liquid mouth of crossing on the left side roof beam. The module mounting beams are equidistantly distributed and parallel to the front side beams; the die set mounting beam, the right side beam and the left side beam are respectively provided with a die cavity, and the die cavities are linear cavities and extend along the length direction of the die set mounting beam, the right side beam and the left side beam; the liquid passing ports on the right side beam and the liquid passing ports on the left side beam are in one-to-one butt joint with the die cavities of the die set mounting beams; the right side beam and the left side beam are inserted with a plurality of clapboards to isolate the flowing direction of the liquid, so that the liquid flows according to a set channel.

Preferably, both the coolant inlet and the coolant outlet are designed on the outside of the left side rail.

Preferably, notches are formed at intervals on the tops of the right side beam 6 and the left side beam 10, and the partition plate is installed in the notches, so that a plurality of relatively independent sealed spaces are formed in the side beam cavity, and the liquid passing holes are formed in the side surfaces of the side beam cavities.

Then, the cavities of the module mounting beam 4, the right side beam 6 and the left side beam 10 can be used as cooling liquid channels, and the liquid passing holes are in one-to-one butt joint with the cavities of the module mounting beam 4 to form a circulating water channel.

Further, the right side beam 6 cavity is used as a transition pipe, and a cooling liquid channel formed by the module installation Liang Xingqiang and the right side beam cavity is n-shaped; the left side beam 10 cavity is used as a transition pipe, and a cooling liquid channel formed by the die set mounting Liang Xingqiang and the left side beam cavity is U-shaped.

The utility model has the beneficial effects that:

the technical scheme provides an aluminum alloy lower box structure adopting module installation Liang Xingqiang as a cooling water channel, so that on one hand, the use amount of parts is saved, and the manufacturing cost is reduced. On the other hand, the cooling plate is not required to be additionally arranged, the space utilization rate of the box body is improved, and the light-weight requirement is met.

Drawings

FIG. 1 is a view showing the structure of a lower case of a battery pack according to the present utility model;

FIG. 2 is a raw edge beam of the present utility model;

FIG. 3 is a side beam of the present utility model with coolant inlet, coolant outlet, and baffle slot machined therein;

FIG. 4 shows the butt joint of the liquid passing ports on the side beams and the module mounting Liang Xingqiang;

FIG. 5 illustrates the water channel in the cavity of the side rail and the modular mounting rail of the present utility model.

Detailed Description

The following detailed description of specific embodiments of the utility model is provided in connection with the accompanying drawings and examples. The following examples are only illustrative of the present utility model and are not intended to limit the scope of the utility model.

In this application, terms of the azimuth or positional relationship of up, down, left, right, inner, outer, front, rear, head, tail, etc. are established based on the azimuth or positional relationship shown in the drawings. The drawings are different, and the corresponding positional relationship may be changed, so that the scope of protection cannot be understood.

Examples

The embodiment of the utility model provides a box under aluminum alloy battery package of module installation roof beam for cooling water course to module installation Liang Xingqiang is as cooling water course, solves the intercommunication problem between the module installation Liang Xingqiang, is favorable to reducing the cooling structure to the occupation amount of casing inner space, solves loaded down with trivial details processing procedure, reduction in manufacturing cost.

Referring to fig. 1 to 5, the battery pack lower case of the present embodiment includes a coolant inlet 1, a front side rail 2, a bottom plate 3, a module mounting rail 4, a separator 5, a right side rail 6, a liquid passing opening 7 on the right side rail, a rear side rail 8, a coolant outlet 9, a left side rail 10, and a liquid passing opening 11 on the left side rail. As shown in fig. 1, the module mounting beams 4 are equidistantly distributed and parallel to the front side beams 2; as shown in fig. 2, the module mounting beam 4, the right side beam 6 and the left side beam 10 are provided with a cavity, the cavity is a linear cavity, and the cavity extends along the length direction of the cavity; as shown in fig. 4, the liquid passing ports 7 on the right side beam and the liquid passing ports 11 on the left side beam are in one-to-one butt joint with the die cavities of the die set mounting beams 4; the right side beam 6 and the left side beam 10 are inserted with a plurality of partition boards 5 to isolate the flowing direction of the liquid, so that the liquid flows according to a set channel.

Preferably, both the coolant inlet 1 and the coolant outlet 9 are designed on the outside of the left side rail 10.

Then, as shown in fig. 4, the cavities of the module mounting beam 4, the right side beam 6 and the left side beam 10 may be used as cooling liquid channels, and the liquid passing holes are in one-to-one butt joint with the cavities of the module mounting beam 4 to form a water channel.

Further, as shown in fig. 5, the right side beam 6 cavity is used as a transition pipe, and a cooling liquid channel formed by the module installation Liang Xingqiang and the right side beam cavity is n-shaped; the left side beam 10 cavity is used as a transition pipe, and a cooling liquid channel formed by the die set mounting Liang Xingqiang and the left side beam cavity is U-shaped.

While the principles of the utility model have been described in detail in connection with the preferred embodiments thereof, it should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the implementations of the utility model and are not intended to limit the scope of the utility model. The details of the embodiments are not to be taken as limiting the scope of the utility model, and any obvious modifications based on equivalent changes, simple substitutions, etc. of the technical solution of the utility model fall within the scope of the utility model without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a box under aluminum alloy battery package of module installation roof beam for cooling water course which characterized in that: the battery pack lower box body comprises a cooling liquid inlet (1), a front side beam (2), a bottom plate (3), a module mounting beam (4), a partition plate (5), a right side beam (6), a liquid passing opening (7) on the right side beam, a rear side beam (8), a cooling liquid outlet (9), a left side beam (10) and a liquid passing opening (11) on the left side beam; the module mounting beams (4) are equidistantly distributed and parallel to the front side beam (2); the die set mounting beam (4), the right side beam (6) and the left side beam (10) are respectively provided with a die cavity, and the die cavities are linear cavities and extend along the length direction of the die set mounting beam; the liquid passing ports (7) on the right side beam and the liquid passing ports (11) on the left side beam are in one-to-one butt joint with the die cavities of the die set mounting beams (4); the right side beam (6) and the left side beam (10) are inserted into a plurality of partition boards (5) to isolate the flow direction of liquid, so that the liquid flows according to a set channel;

the die cavities of the die set mounting beams (4), the right side beams (6) and the left side beams (10) can be used as cooling liquid channels, and the liquid passing holes are in one-to-one butt joint with the die cavities of the die set mounting beams (4) to form a circulating water channel;

taking a right side beam (6) cavity as a transition pipe, and installing a cooling liquid channel formed by Liang Xingqiang and the right side beam cavity in an n-shaped manner; the left side beam (10) cavity is used as a transition pipe, and a cooling liquid channel formed by the module installation Liang Xingqiang and the left side beam cavity is U-shaped.

2. The aluminum alloy battery pack lower box body with the module mounting beam being a cooling water channel according to claim 1, wherein: the coolant inlet (1) and the coolant outlet (9) are both formed on the outer side of the left side beam (10).

3. The aluminum alloy battery pack lower box body with the module mounting beam being a cooling water channel according to claim 1, wherein: the tops of the right side beam (6) and the left side beam (10) are provided with notches at intervals, the partition plate is arranged in the notches, the side beam cavity forms a plurality of relatively independent sealed spaces, and the side surfaces of the side beam cavities are provided with liquid passing holes.