CN220209077U

CN220209077U - Battery heat abstractor

Info

Publication number: CN220209077U
Application number: CN202321462063.XU
Authority: CN
Inventors: 贺运红
Original assignee: Shanghai Jing Jing Electric Co ltd
Current assignee: Shanghai Jing Jing Electric Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-12-19
Anticipated expiration: 2033-06-09

Abstract

The application relates to the field of battery cooling devices, in particular to a battery cooling device, which comprises a battery box body and a battery placing rack arranged in the battery box body, wherein a liquid cooling plate is arranged on the battery placing rack, a plurality of liquid cooling cavities are arranged in the liquid cooling plate, cooling fins are arranged in the liquid cooling cavities, and liquid cooling agents in adjacent liquid cooling cavities adopt cold and hot bidirectional convection; the battery box body is provided with a fan, and the battery box body is also provided with a heat dissipation hole. This application realizes the heat dissipation to the inside of battery box through setting up fan and louvre on the battery box, realizes the further cooling to the battery through the liquid cooling board that sets up on the battery rack to give off with the quick emission of unnecessary heat that produces in the battery operation process, and then improved the performance and the security of battery.

Description

Battery heat abstractor

Technical Field

The present disclosure relates to the field of battery cooling devices, and in particular, to a battery cooling device.

Background

The battery refers to a cup, a tank or other container or a part of a space of a composite container which contains electrolyte solution and metal electrodes to generate current, and a device capable of converting chemical energy into electric energy is provided with a positive electrode and a negative electrode. With the progress of science and technology and the development of the age, the industries of energy storage and electric automobiles are coming to develop the golden period.

Currently, lithium ion batteries, whether they are energy storage batteries or power batteries, are used on a large scale, and chemical batteries such as lithium ion batteries inevitably generate a certain amount of heat in a charged or discharged state. When the heat in the battery cannot be timely dissipated, the temperature in the battery can continuously rise, so that the battery performance can be reduced, and even safety problems such as fire disaster and the like can be caused.

With respect to the related art as described above, the inventors considered that a device should be proposed to improve the heat dissipation efficiency of the battery.

Disclosure of Invention

In order to improve the heat dissipation efficiency of a battery, the application provides a battery heat dissipation device.

The application provides a battery heat abstractor adopts following technical scheme:

the battery cooling device comprises a battery box body and a battery placing rack arranged in the battery box body, wherein a liquid cooling plate is arranged on the battery placing rack, a plurality of liquid cooling cavities are arranged in the liquid cooling plate, cooling fins are arranged in the liquid cooling cavities, and liquid cooling agents in adjacent liquid cooling cavities adopt cold and hot bidirectional convection; the battery box body is provided with a fan, and the battery box body is also provided with a heat dissipation hole.

Through adopting above-mentioned technical scheme, battery box and battery rack realize fixed and the effect of protection to the battery, and the heat that the battery produced is conducted to the liquid cooling board through the battery rack to realize the effect to battery rapid cooling, and through the fan to the internal blast air of battery box, the wind passes from the battery centre, and takes away partial heat, realizes further cooling to the battery, has effectively improved the radiating efficiency of battery.

Preferably, the battery rack comprises a heat conduction supporting plate and a heat conduction clamping plate, wherein the heat conduction supporting plate is attached to the liquid cooling plate, and the heat conduction clamping plate is used for clamping the battery.

Preferably, the battery placing frames are matched in pairs to clamp the batteries, and a heat dissipation channel is reserved in the heat conduction clamping plates of the two battery placing frames.

Preferably, an air inlet pipe communicated with the fan is arranged on the inner wall of the battery box body, and one end, close to the battery placing frame, of the air inlet pipe is in a fan-shaped arrangement.

Preferably, a wind dispersing plate is further arranged at one end, close to the battery placing frame, of the wind inlet pipe, a plurality of wind dispersing holes are formed in the wind dispersing plate, and each wind dispersing hole is communicated with one of the heat dispersing channels.

Preferably, an air filter plate is further arranged in the air inlet pipe.

Preferably, the heat conducting clamping plate is provided with a heat conducting coating.

Preferably, the heat conducting support plate and the heat conducting clamping plate are integrally formed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the battery box, the fan and the radiating holes are formed in the battery box body to radiate heat inside the battery box body, the liquid cooling plate arranged on the battery placing frame is used for further cooling the battery, so that redundant heat generated in the battery operation process is rapidly radiated, and the performance and the safety of the battery are improved;

2. this application is through setting up radiating fin in the liquid cooling board, and the heat in the conduction liquid cooling board can be conducted to radiating fin on, radiating fin increased with the liquid cooling board in the area of contact of coolant liquid, has effectively improved thermal transmission efficiency.

Drawings

Fig. 1 is a schematic general structural diagram of a battery heat dissipating device according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of a battery case according to an embodiment of the present application.

Fig. 3 is a cross-sectional view of an air inlet duct of an embodiment of the present application.

Fig. 4 is a cross-sectional view of a cooling plate of an embodiment of the present application.

Reference numerals illustrate: 1. a battery case; 2. an air inlet pipe; 3. a blower; 4. a heat radiation hole; 5. an air filter plate; 6. a wind dispersing plate; 7. a wind-dispersing hole; 8. a battery placing rack; 81. a heat conductive support plate; 82. a heat conductive clamping plate; 9. a thermally conductive coating; 10. a heat dissipation channel; 11. a liquid cooling plate; 12. a liquid cooling cavity; 13. and a heat radiating fin.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a battery heat dissipation device. Referring to fig. 1 and 2, a battery cooling device includes a battery case 1, where the battery case 1 protects a battery and facilitates integration of the battery. An air inlet pipe 2 is arranged at one end of the battery box body 1 in a penetrating way, and a fan 3 is arranged in the air inlet pipe 2. The other end of the battery box body 1 is provided with a plurality of heat dissipation holes 4, the fan 3 blows external wind into the battery box body 1 through the air inlet pipe 2, and the air leaves the battery box body 1 through the heat dissipation holes 4, so that heat in the battery box body 1 can be taken away during the process.

Referring to fig. 2 and 3, an air filter plate 5 is arranged in the air inlet pipe 2, when the air outside the battery box 1 enters the battery box 1, the air can firstly pass through the air filter plate 5, and sand and dust in the air can be effectively filtered by the air filter plate 5, so that the battery in the battery box 1 is protected. One end of the air inlet pipe 2, which is positioned in the battery box body 1, is in a fan-shaped arrangement, a wind dispersing plate 6 is arranged at one fan-shaped end of the air inlet pipe 2, a plurality of wind dispersing holes 7 are formed in the wind dispersing plate 6, and the wind dispersing plate 6 and the wind dispersing holes 7 are used for blowing the gas coming in from the air inlet pipe 2 into the battery box body 1 more uniformly.

Referring to fig. 2 and 3, a battery holder 8 is provided in the battery case 1, and the battery holder 8 is made of aluminum material having good heat conductivity. The battery rack 8 includes heat conduction backup pad 81 and heat conduction grip block 82, has a plurality of heat conduction grip blocks 82 on the one side of heat conduction backup pad 81, and heat conduction backup pad 81 and heat conduction grip block 82 integrated into one piece are made, are equipped with heat conduction coating 9 on the heat conduction grip block 82, and the setting of heat conduction coating 9 has reduced the gap between battery and the heat conduction grip block 82, has further improved the heat conduction efficiency between battery and the heat conduction grip block 82. The battery placing frames 8 are matched with each other in pairs to clamp and fix batteries. The both sides of battery are respectively by the centre gripping of heat conduction grip block 82 on two battery racks 8 to the battery can heat transfer to the battery rack 8 of both sides, improves the radiating efficiency and the radiating uniformity of battery. The heat dissipation channel 10 is reserved in the middle of the heat conduction clamping plates 82 on the two battery placing frames 8, and the heat dissipation channels 10 are in one-to-one correspondence with the air dissipation holes 7 on the air dissipation plates 6, so that when air passes through the heat dissipation channels 10, heat of batteries and heat in the battery box body 1 can be taken away rapidly, and the heat dissipation effect is further enhanced.

Referring to fig. 3 and 4, a side of the heat conductive support plate 81 facing away from the heat conductive clamping plate 82 is provided with a liquid cooling plate 11, and heat on the battery is transferred to the liquid cooling plate 11 through the battery placing frame 8, so that the heat can be quickly brought to the outside of the battery case 1 through the liquid cooling plate 11. A plurality of liquid cooling cavities 12 are formed in the liquid cooling plate 11, and the flow directions of cooling liquid in the adjacent liquid cooling cavities 12 are opposite, so that the liquid cooling plate 11 with cold and hot bidirectional convection is formed, and the heat dissipation uniformity of the battery is improved. The cooling fins 13 are further arranged in the liquid cooling cavity 12, the contact area between the cooling fins 13 and cooling liquid is increased, the heat exchange efficiency is improved, and the heat dissipation effect of the battery is further improved.

The implementation principle of the battery heat dissipation device in the embodiment of the application is as follows: the wind entering the battery box 1 from the air inlet pipe 2 is filtered and then passes through the heat dissipation channel 10, and the wind contacts with the surface of the battery in the heat dissipation channel 10, so that the heat generated on the battery is taken away. Meanwhile, a large amount of heat generated on the battery can be conducted onto the liquid cooling plate 11 through the battery placing frame 8 for clamping the battery, and high-efficiency heat exchange is realized through rapid flow of cooling liquid in the liquid cooling plate 11, so that the heat dissipation efficiency of the battery is greatly improved, and the stable operation and safety of the battery are ensured.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A battery heat dissipation device, characterized in that: the solar cell comprises a cell box body (1) and a cell placing rack (8) arranged in the cell box body (1), wherein a liquid cooling plate (11) is arranged on the cell placing rack (8), a plurality of liquid cooling cavities (12) are arranged in the liquid cooling plate (11), radiating fins (13) are arranged in the liquid cooling cavities (12), and liquid cooling agents in adjacent liquid cooling cavities (12) adopt cold and hot bidirectional convection; the battery box body (1) is provided with a fan (3), and the battery box body (1) is also provided with a heat dissipation hole (4).

2. A battery heat sink according to claim 1, wherein: the battery placing rack (8) comprises a heat conduction supporting plate (81) and a heat conduction clamping plate (82), the heat conduction supporting plate (81) and the liquid cooling plate (11) are attached to each other, and the heat conduction clamping plate (82) is used for clamping a battery.

3. A battery heat sink according to claim 1, wherein: the battery placing frames (8) are matched in pairs to clamp batteries, and a heat dissipation channel (10) is reserved in the heat conduction clamping plates (82) of the two battery placing frames (8).

4. A battery heat sink according to claim 3, wherein: an air inlet pipe (2) communicated with the fan (3) is arranged on the inner wall of the battery box body (1), and one end, close to the battery placing rack (8), of the air inlet pipe (2) is in a fan-shaped arrangement.

5. The battery heat sink as defined in claim 4, wherein: one end of the air inlet pipe (2) close to the battery placing rack (8) is further provided with a wind dispersing plate (6), a plurality of wind dispersing holes (7) are formed in the wind dispersing plate (6), and each wind dispersing hole (7) is communicated with one of the heat dispersing channels (10).

6. A battery heat sink according to claim 5, wherein: an air filter plate (5) is also arranged in the air inlet pipe (2).

7. A battery heat sink according to claim 2, wherein: and a heat conducting coating (9) is arranged on the heat conducting clamping plate (82).

8. A battery heat sink according to claim 2, wherein: the heat conduction supporting plate (81) and the heat conduction clamping plate (82) are integrally formed.