CN212517318U

CN212517318U - Battery cooling device of electric automobile

Info

Publication number: CN212517318U
Application number: CN202021729743.XU
Authority: CN
Inventors: 叶建学; 马瑞兰
Original assignee: Shandong Labor Vocational and Technical College
Current assignee: Shandong Labor Vocational and Technical College
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-02-09
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses an electric automobile battery cooling device, including the battery box, be equipped with a plurality of groups group battery in the battery box, including a plurality of battery packages in the group battery, be equipped with the cooling tube in the battery box, the cooling tube divide into the two parts that bilateral symmetry equals with the group battery, cooling tube one end is connected with the air-supply line, battery box front side box middle part is located to the air-supply line, be equipped with a plurality of louvres on the cooling tube, the cooling tube left and right sides is located to the louvre, the louvre is from the front to back aperture by little big, be equipped with a plurality of radiator fan on the lateral wall about the battery box, radiator fan's position corresponds with every group battery position. The utility model discloses can make a plurality of group batteries obtain the same heat dissipation amount of wind with the even conduction of heat dissipation cold wind to a plurality of group batteries to the radiating effect who makes the group battery reaches the best, and the temperature of group battery is more balanced, improves the radiating effect.

Description

Battery cooling device of electric automobile

Technical Field

The utility model belongs to the technical field of auto-parts, in particular to electric automobile battery cooling device.

Background

People in the world pay more and more attention to the protection of natural environment nowadays, because the problem of environmental pollution seriously threatens the natural environment of human existence, the petroleum resource pollutes the environment, and China is scarce, new energy automobiles become the focus of attention of everybody, and each large automobile enterprise is investing in huge amounts to research and develop and produce pure electric vehicles, wherein the technical difficulty is continuous driving mileage and maximum speed of a motor vehicle, and the two problems need to be overcome urgently, and the practicability of the electric vehicles can be greatly improved after overcoming. An energy storage device of an electric automobile is a battery pack, and improvement of the energy utilization rate is one of the solutions. The optimal working condition of the battery pack is 18-43 ℃, and the battery discharge efficiency is highest at 30 ℃. The battery pack has over-high or over-low working temperature, which can cause uneven temperature distribution among the single batteries, further cause the overall discharge efficiency of the battery pack to be reduced, influence the driving range and the maximum speed, and influence the use safety and the service life of the battery in serious cases.

Disclosure of Invention

The utility model aims at overcoming not enough among the prior art, provide an electric automobile battery cooling device, can be with the even conduction of heat dissipation cold wind to a plurality of group batteries in, make a plurality of group batteries obtain the same heat dissipation amount of wind to the radiating effect who makes the group battery reaches the best, the temperature of group battery is more balanced, improves the radiating effect, the temperature control system of cooperation group battery adjusts radiator fan's power, according to the temperature of group battery, self-adaptation regulation fan power, the radiating effect is better.

In order to realize the purpose, the utility model discloses a technical scheme is:

the utility model provides an electric automobile battery cooling device, includes the battery box, be equipped with a plurality of groups group battery in the battery box, include a plurality of battery package in the group battery, be equipped with the cooling tube in the battery box, the cooling tube divide into the two parts that bilateral symmetry equals with the group battery, cooling tube one end is connected with the air-supply line, battery box front side box middle part is located to the air-supply line, be equipped with a plurality of louvres on the cooling tube, the cooling tube left and right sides is located to the louvre, the louvre is from the front to back aperture by little big, be equipped with a plurality of radiator fan on the lateral wall about the battery box, radiator fan's position corresponds.

The radiating pipes are arranged at the upper and lower parts, the front ends of the two radiating pipes are connected through a three-way pipe, and the other connector of the three-way pipe is connected with an air inlet pipe.

The rear ends of the upper radiating pipe and the lower radiating pipe are communicated through a connecting pipe.

And an air deflector is arranged between the front and the rear of the battery pack.

And two cooling fans are arranged on the side wall of the battery box on one side of each group of battery packs, and the cooling fans are horizontally arranged from front to back.

The heat dissipation holes are arranged in bilateral symmetry.

And a filter screen is arranged at the air inlet pipe.

The utility model has the advantages that:

1) the heat dissipation device has the advantages that the heat dissipation effect of the battery pack is optimal, the temperature of the battery pack is more balanced, the heat dissipation effect is improved, the power of the heat dissipation fan is adjusted by matching with a temperature control system of the battery pack, the power of the fan is adjusted in a self-adaptive mode according to the temperature of the battery pack, and the heat dissipation effect is better.

2) Two-layer radiating effect about the group battery can be increased to two-layer about the cooling tube is equipped with, and upper strata and lower floor can both obtain the cooling wind to make the radiating effect of group battery reach the best, the temperature of group battery is more balanced, improves the radiating effect.

3) The rear ends of the upper radiating pipe and the lower radiating pipe are communicated through the connecting pipe, so that cold air of the two pipelines can be communicated, air pressure is enhanced, and the radiating effect is improved.

4) Two cooling fans are arranged on the side wall of the battery box on one side of each group of battery packs, so that heat dissipation blind spots can be eliminated, the position where heat dissipation cold air flows smoothly is guided by the fans, and the heat dissipation effect is improved.

Drawings

Fig. 1 is a schematic diagram of a battery cooling device of an electric vehicle of the present invention.

Fig. 2 is a schematic diagram of the battery cooling device of the electric vehicle of the present invention.

In the figure, 1, a radiating pipe; 2. an air deflector; 3. a battery pack; 4. a battery box; 5. an air inlet pipe; 6. a heat radiation fan; 9. heat dissipation holes; 10. a connecting pipe;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The utility model provides an electric automobile battery cooling device, includes battery box 4, be equipped with a plurality of groups group battery 3 in the battery box 4, including a plurality of battery packages in the group battery 3, be equipped with cooling tube 1 in the battery box 4, cooling tube 1 divide into the two parts that bilateral symmetry equals with

group battery

3, 1 one end of cooling tube is connected with air-

supply line

5, 4 front side box middle parts of battery box are located to air-supply line 5, be equipped with a plurality of louvres 9 on the cooling tube 1, the 1 left and right sides of cooling tube is located to louvre 9, louvre 9 is from the front to the back aperture by little big, be equipped with a plurality of radiator fan 6 on the lateral wall about battery box 4, radiator fan 6's position corresponds with 3 positions of every.

The radiating pipe 1 is provided with an upper radiating pipe and a lower radiating pipe, the front ends of the two radiating pipes 1 are connected through a three-way pipe, and the other connector of the three-way pipe is connected with an air inlet pipe 5.

The rear ends of the upper radiating pipe 1 and the lower radiating pipe 1 are communicated through a connecting pipe 10.

An air deflector 2 is arranged between the front and the back of the battery pack 3.

Two cooling fans 6 are arranged on the side wall of the battery box 4 on one side of each group of battery packs 3, and the cooling fans 6 are arranged in a front-back up-down parallel mode.

The heat dissipation holes 9 are arranged in bilateral symmetry.

And a filter screen is arranged at the air inlet pipe 5.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides an electric automobile battery cooling device, characterized by, includes the battery box, be equipped with a plurality of groups group battery in the battery box, include a plurality of battery packages in the group battery, be equipped with the cooling tube in the battery box, the cooling tube divide into the two parts that bilateral symmetry equals with the group battery, cooling tube one end is connected with the air-supply line, the box middle part of battery box front side is located to the air-supply line, be equipped with a plurality of louvres on the cooling tube, the cooling tube left and right sides is located to the louvre, the louvre is from front to back aperture by little big, be equipped with a plurality of radiator fan on the lateral wall about the battery box, radiator fan's.

2. The battery cooling device for the electric vehicle as claimed in claim 1, wherein the heat dissipation pipes are provided with an upper heat dissipation pipe and a lower heat dissipation pipe, the front ends of the two heat dissipation pipes are connected through a tee pipe, and the other port of the tee pipe is connected with the air inlet pipe.

3. The battery cooling device of claim 2, wherein the rear ends of the upper and lower heat pipes are connected through a connection pipe.

4. The battery cooling device for electric vehicles as claimed in claim 1, wherein a wind deflector is provided between the front and rear of the battery pack.

5. The battery cooling device for the electric vehicle as claimed in claim 1, wherein two heat dissipation fans are provided on the sidewall of the battery box on one side of each group of the battery packs, and the heat dissipation fans are arranged in a front-back and up-down parallel arrangement.

6. The battery cooling device for an electric vehicle as claimed in claim 1, wherein the heat dissipation holes are symmetrically disposed.

7. The battery cooling device for electric vehicles as claimed in claim 1, wherein a filter screen is disposed at the air inlet pipe.