CN212162025U

CN212162025U - Power lithium battery heat abstractor

Info

Publication number: CN212162025U
Application number: CN202020823146.7U
Authority: CN
Inventors: 杨程
Original assignee: Anhui Guodong New Material Co ltd
Current assignee: Anhui Guodong New Material Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-15
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to a lithium cell technical field just discloses a power lithium cell heat abstractor, which comprises a supporting plate, the last fixed surface of backup pad connects the heat insulating board of the vertical setting, and the last fixed surface of backup pad is connected with the heat-conducting plate of a plurality of vertical settings, and a plurality of spacing ring covers of lateral wall fixedly connected with of heat-conducting plate, the fin of a plurality of crisscross settings of inner wall fixedly connected with of spacing ring cover, a plurality of thermovents have been seted up to the lower surface of backup pad. This kind of power lithium battery heat abstractor can protect the protection circuit of lithium cell through setting up the heat insulating board, avoids the lithium cell to generate heat and leads to the protection circuit to damage, through setting up spacing ring cover, can improve the area of contact of heat abstractor and lithium cell to high-efficient supplementary heat dissipation through setting up lug cooperation air inlet, utilizes the lift that can utilize the lug to arouse when the power lithium cell moves, drives the circulation of air in the spacing ring cover, improves the radiating effect of fin.

Description

Power lithium battery heat abstractor

Technical Field

The utility model relates to a lithium cell technical field specifically is a power lithium cell heat abstractor.

Background

Lithium batteries, which are batteries using a non-aqueous electrolyte solution and using lithium metal or lithium alloy as a negative electrode material, are widely used in various industries due to their advantages of high energy, long service life, high rated voltage, low self-discharge rate, etc., while power lithium batteries refer to lithium batteries introduced in electric vehicles, etc.

In the prior art, a plurality of 18650 lithium batteries are generally connected in parallel and series and are connected with a protection circuit, and during the charging and discharging processes of the plurality of 18650 lithium batteries, because the internal resistance of the lithium batteries can generate a large amount of heat, the lithium batteries are damaged due to overhigh temperature, and accidents such as explosion and fire of the lithium batteries are easily caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a power lithium cell heat abstractor, it is good to possess simple structure radiating effect, is convenient for maintain and wash the advantage such as, has solved the problem that the background art provided.

(II) technical scheme

For realizing that above-mentioned simple structure radiating effect is good, be convenient for maintain and abluent purpose, the utility model provides a following technical scheme: the utility model provides a power lithium cell heat abstractor, includes the backup pad, the heat insulating board of the vertical setting of last fixed surface of backup pad connection, and the last fixed surface of backup pad is connected with the heat-conducting plate of a plurality of vertical settings, and a plurality of spacing ring covers of lateral wall fixedly connected with of heat-conducting plate, the fin of a plurality of crisscross settings of inner wall fixedly connected with of spacing ring cover, a plurality of thermovents have been seted up to the lower surface of backup pad, and the thermovent is located the below setting of spacing ring cover, the backup pad is close to a plurality of lugs of the equal fixedly connected with of lateral wall of thermovent, the last fixed surface of backup pad is connected with the protective housing, and heat insulating board, heat-conducting plate and spacing ring cover all are located the protective housing and set up, the.

Preferably, the upper end of the spacing ring sleeve is fixedly connected with a sealing gasket, and the sealing gasket is abutted to the inner wall of the upper end of the protective shell.

Preferably, the lower surface of the supporting plate close to the heat dissipation port is rotatably connected with a cover plate, and the upper surface of the cover plate is fixedly connected with a rubber pad.

Preferably, the cross section of the bump is triangular, and the bump is made of rubber.

Preferably, the spacing ring sleeve is made of metal, and insulating paint is coated on the side wall of one side of the spacing ring sleeve.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of power lithium battery heat abstractor can protect the protection circuit of lithium cell through setting up the heat insulating board, avoids the lithium cell to generate heat and leads to the protection circuit to damage, through setting up spacing ring cover, can improve the area of contact of heat abstractor and lithium cell to high-efficient supplementary heat dissipation through setting up lug cooperation air inlet, utilizes the lift that can utilize the lug to arouse when the power lithium cell moves, drives the circulation of air in the spacing ring cover, improves the radiating effect of fin.

2. This kind of power lithium battery heat abstractor through setting up sealed the pad, can avoid external moisture to be permeated by the air inlet and produce the influence to the lithium cell, through setting up the dust cover, can avoid the dust to cover the fin, guarantees the radiating effect of fin, through setting up the apron, can rotate the apron and seal the thermovent when needs wash the fin, then washs the maintenance by the air inlet water injection to the fin.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the supporting plate of the present invention;

FIG. 3 is a schematic view of the structure of the spacing collar of the present invention;

fig. 4 is a schematic top view of the present invention;

fig. 5 is a schematic side view of the present invention.

In the figure: 1. a support plate; 2. a heat insulation plate; 3. a heat conducting plate; 4. a spacing ring sleeve; 5. a heat sink; 6. a heat dissipation port; 7. a bump; 8. a protective shell; 9. an air inlet; 10. a gasket; 11. sinking a groove; 12. a dust cover; 13. and (7) a cover plate.

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.

Examples

Referring to fig. 1-5, a heat dissipation device for a power lithium battery comprises a support plate 1, wherein a vertically arranged heat insulation plate 2 is fixedly connected to the upper surface of the support plate 1, the heat insulation plate 2 is arranged to separate a lithium battery from a protection circuit board, so that the protection circuit board is disposed, a plurality of vertically arranged heat conduction plates 3 are fixedly connected to the upper surface of the support plate 1, a plurality of spacing ring sleeves 4 are fixedly connected to the side walls of the heat conduction plates 3, a sealing gasket 10 is fixedly connected to the upper ends of the spacing ring sleeves 4, the sealing gasket 10 is abutted to the inner wall of the upper end of a protection shell 8, a plurality of heat dissipation fins 5 are fixedly connected to the inner wall of the spacing ring sleeves 4, a plurality of heat dissipation ports 6 are formed in the lower surface of the support plate 1, a cover plate 13 is rotatably connected to the lower surface of the support plate 1, when the radiating fins 5 are cleaned, the cover plate 13 is rotated to seal the radiating holes 6, water can be injected into the spacing ring sleeve 4 from the air inlet 9 to clean the radiating fins 5, the radiating holes 6 are arranged below the spacing ring sleeve 4, the side wall of the support plate 1 close to the radiating holes 6 is fixedly connected with a plurality of convex blocks 7, the cross sections of the convex blocks 7 are triangular, the convex blocks 7 are made of rubber, when a power lithium battery runs, an electric vehicle or an electric vehicle runs by arranging the convex blocks 7, the air flow rate in the spacing ring sleeve 4 is increased by utilizing the lift force generated by the air flow, the radiating effect of the radiating fins 5 is improved, the upper surface of the support plate 1 is fixedly connected with a protective shell 8, the side wall of the protective shell 8 close to the air inlet 9 is provided with a sinking groove 11, the inner side wall of the sinking groove 11 is rotatably connected with a dust cover 12, and the dust cover 12, can avoid the dust to adsorb on fin 5 through setting up dust cover 12, guarantee the radiating effect of fin 5, and heat insulating board 2, heat-conducting plate 3 and spacing ring cover 4 all are located the protective housing 8 and set up, and air inlet 9 has been seted up to the upper surface of protective housing 8, and air inlet 9 is close to spacing ring cover 4 and sets up.

The working principle is as follows: when the lithium battery heat dissipation device is used, the lithium battery is arranged between the spacing ring sleeves 4, the lithium battery is fixed by the spacing ring sleeves 4, meanwhile, the contact area between the spacing ring sleeves 4 and the lithium battery can be effectively increased, so that the heat conduction area is enlarged, the heat dissipation effect is improved, then, the protection circuit board of the lithium battery is fixed on one side, far away from the lithium battery, of the heat insulation board 2, so that the protection circuit is prevented from being influenced when the lithium battery is heated, the safety of the lithium battery is further improved, when the power lithium battery runs, the lithium battery can generate heat due to internal resistance and current running, after the lithium battery generates heat, the contact surface between the spacing ring sleeves 4 and the lithium battery is large, the heat is conducted to the spacing ring sleeves 4 through heat conduction, then, the inner wall and the cooling fins 5 of the spacing ring sleeves 4 give off the heat to the outside air, and the lithium battery is, Explosion and other accidents, and when the lithium battery runs, the electric vehicle or the electric vehicle is driven to move, so that air flow is promoted, when the air flows, the inclined surface belt of the lug 7 can be utilized to enable the air flow speed below the heat dissipation port 6 to be higher than the air flow speed above the air inlet 9, so as to form negative pressure, so that the air flows from the air inlet 9 to the heat dissipation port 6, the flowing air can improve the heat exchange efficiency of the heat dissipation fins 5 and the spacing ring sleeve 4, so as to rapidly reduce the temperature of the lithium battery, the dust cover 12 can assist the heat dissipation fins 5 in dissipating heat by the flowing air, block dust in the air, prevent the dust from covering the inner walls of the heat dissipation fins 5 and the spacing ring sleeve 4, ensure the heat dissipation effect of the inner walls of the heat dissipation fins 5 and the spacing ring sleeve 4, and can rotate the cover plate 13 so as to seal the heat dissipation port, then by 9 water injection in to spacing ring cover 4 of air inlet to wash fin 5 and spacing ring cover 4, because the sealed pad 10 of upper end fixedly connected with of heat-conducting plate 3 can prevent that moisture from getting into in the protective housing 8 by the clearance between heat-conducting plate 3 and the protective housing 8, thereby protect the lithium cell, avoid lithium cell and protection circuit to take place the condition such as short circuit.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A power lithium battery heat dissipation device comprises a support plate (1);

the method is characterized in that:

the upper surface of the supporting plate (1) is fixedly connected with a vertically arranged heat insulation plate (2), the upper surface of the supporting plate (1) is fixedly connected with a plurality of vertically arranged heat conduction plates (3), the side wall of each heat conduction plate (3) is fixedly connected with a plurality of spacing ring sleeves (4), the inner wall of each spacing ring sleeve (4) is fixedly connected with a plurality of radiating fins (5) which are arranged in a staggered mode, the lower surface of the supporting plate (1) is provided with a plurality of radiating ports (6), the radiating ports (6) are arranged below the spacing ring sleeves (4), the side wall, close to the radiating ports (6), of the supporting plate (1) is fixedly connected with a plurality of convex blocks (7), the upper surface of the supporting plate (1) is fixedly connected with a protective shell (8), the heat insulation plate (2), the heat conduction plates (3) and the spacing ring sleeves (4) are arranged in the protective shell (8), and the upper surface of the protective shell, and the air inlet (9) is arranged close to the spacing ring sleeve (4).

2. The heat sink of claim 1, wherein: the upper end of the spacing ring sleeve (4) is fixedly connected with a sealing gasket (10), and the sealing gasket (10) is abutted to the inner wall of the upper end of the protective shell (8).

3. The heat sink of claim 1, wherein: heavy groove (11) have been seted up to the lateral wall that protective housing (8) is close to air inlet (9), and the inside wall of heavy groove (11) rotates and is connected with dust cover (12).

4. The heat sink of claim 1, wherein: the lower surface of the supporting plate (1) close to the heat dissipation port (6) is rotatably connected with a cover plate (13), and the upper surface of the cover plate (13) is fixedly connected with a rubber pad.

5. The heat sink of claim 1, wherein: the cross section of the bump (7) is triangular, and the bump (7) is made of rubber.

6. The heat sink of claim 1, wherein: the spacing ring sleeve (4) is made of metal, and one side wall of the spacing ring sleeve (4) is coated with insulating paint.