CN213026253U

CN213026253U - Lithium battery pack heat dissipation device

Info

Publication number: CN213026253U
Application number: CN202021909991.2U
Authority: CN
Inventors: 王明舟; 尹晓磊; 陈鑫
Original assignee: Huaibei Lithium Moving Core New Energy Technology Co ltd
Current assignee: Huaibei Lithium Moving Core New Energy Technology Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-20
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a lithium battery pack heat dissipation device, which comprises a battery pack box body, wherein an exhaust fan is embedded in the bottom of the battery pack box body, heat dissipation meshes are arranged on the side wall of the battery pack box body, two sides of the inner bottom of the battery pack box body are symmetrically provided with stop blocks, a battery placing plate is arranged in the inner wall of the battery pack box body, a baffle plate is fixedly arranged at the upper end of the battery placing plate, air is extracted through an embedded fan on a cover plate, air is blown to the lower part of the cover plate, air flow enters the inner part of the battery pack box body through a ventilation hole arranged on a fixed pressing block, the air is fully diffused into the periphery of a battery through holes on the battery placing plate and the baffle plate, the heat dissipated by the battery is dissipated out of the battery pack box body through the heat dissipation meshes arranged on the side wall of the battery pack box body, and the heat of the battery remained in the battery, the heat is exhausted out of the battery pack box body through the exhaust fan.

Description

Lithium battery pack heat dissipation device

Technical Field

The utility model relates to a machining equipment technical field specifically is a lithium cell package heat abstractor.

Background

Lithium batteries are batteries using a nonaqueous electrolyte solution and using lithium metal or a lithium alloy as a negative electrode material. Because the chemical property of lithium metal is very active, the processing, the storage and the use of the lithium metal are realized, the requirement on the environment is very high, the lithium battery is not applied for a long time, along with the development of scientific technology, the lithium battery becomes the mainstream at present, the lithium battery generates heat energy in the use process, a lithium battery pack is a group formed by stacking and installing the lithium battery together through the support of a support, equipment needing power supply such as machinery can be powered, when the lithium battery generates heat in use, the heat generated by the adjacent lithium battery is attached to the adjacent lithium battery, the working temperature of the lithium battery is improved, when the temperature rises, the service life of the lithium battery is reduced, and therefore, the temperature control of the lithium battery pack is very necessary.

The existing lithium battery pack mostly adopts a closed combination mode, because accumulation of the lithium battery can generate a large amount of heat, when high-power discharge is carried out, the battery pack generates heat more, the heat is not easy to be dissipated, the working performance of the battery pack is influenced, the safety is greatly reduced, and potential safety hazards can be generated, so that a heat dissipation device for the lithium battery pack needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell package heat abstractor can dispel the heat fast to the heat that gives off when the high-power discharge of lithium cell to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a lithium battery pack heat dissipation device comprises a battery pack box body, wherein an exhaust fan is embedded in the bottom of the battery pack box body, heat dissipation meshes are formed in the side wall of the battery pack box body, stop blocks are symmetrically arranged on two sides of the inner bottom of the battery pack box body, a battery placing plate is arranged in the inner wall of the battery pack box body, a partition plate is fixedly installed at the upper end of the battery placing plate, fixed blocks are symmetrically installed on the side wall of the battery pack box body, threaded blind holes are formed in the fixed blocks, a cover plate is arranged at the upper end of the battery pack box body, two groups of fans are embedded in the upper end of the cover plate, springs are symmetrically installed on one side of the cover plate, a fixed pressing block is fixedly connected to one end of each spring, a ventilation hole is fixedly formed in each fixed pressing block, threaded through holes are fixedly, one end of the screw rod penetrates through the inner ring of the threaded through hole and is in threaded connection with the inner ring of the threaded blind hole.

Preferably, the exhaust fan is provided with three groups, the heat dissipation mesh is the setting of rectangle array on the lateral wall of battery package box.

Preferably, the battery placing plate is provided with three groups, three groups of baffle equal intervals of the battery placing plate upper end fixed mounting in each group are provided with three groups, the battery placing plate is set as a whole battery placing plate with meshes, and the baffle is set as a whole baffle with meshes.

Preferably, four groups of fixing blocks and four groups of threaded blind holes are arranged, and the four groups of fixing blocks are symmetrically arranged on the side walls of the two sides of the battery pack box body.

Preferably, four groups of threaded through holes are arranged, the four groups of threaded through holes are symmetrically arranged at two ends of the cover plate, and inner rings of the four groups of threaded through holes and inner rings of the four groups of threaded blind holes are correspondingly arranged.

Preferably, the upper end of the cover plate is provided with a groove, and the inner wall of the groove is rotatably provided with a handle through a round rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an embedded fan extraction air on the apron, blow to the apron below, the ventilation hole that the air current set up on through the briquetting gets into the inside of battery package box, place the through-hole on board and the baffle through the battery, make gaseous fully diffuse into around the battery, give out battery package box through the heat dissipation mesh who sets up on the battery package box lateral wall to the heat that the battery gived off, extract through the heat that the embedded exhaust fan in battery package box bottom gived off remaining battery in the battery package box, the heat passes through exhaust fan discharge battery package box, can improve piling up of lithium cell to a certain extent and produce a large amount of heats, and the high-power operating performance of group battery and the safe condition of discharging, influence the working property of group battery and the condition of safety.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic structural view of the battery pack case of the present invention;

fig. 3 is a schematic top view of the cover plate of the present invention.

In the figure: 1. a battery pack case; 2. an exhaust fan; 3. radiating meshes; 4. a battery placing plate; 5. a partition plate; 6. a cover plate; 7. a spring; 8. fixing a pressing block; 9. a threaded through hole; 10. a screw; 11. a fixed block; 12. a threaded blind hole; 13. a fan; 14. a groove; 15. a handle; 16. a vent hole; 17. and a stop block.

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.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a lithium cell package heat abstractor, includes battery package box 1, the bottom of battery package box 1 is embedded to have exhaust fan 2, has all seted up heat dissipation mesh 3 on the lateral wall of battery package box 1, and exhaust fan 2 is provided with three groups, can extract fast through exhaust fan 2 to the heat in the battery package box 1, and heat dissipation mesh 3 is the rectangle array setting on the lateral wall of battery package box 1, is convenient for dispel the heat through the heat in heat dissipation mesh 3 to the battery package box 1.

The interior bottom bilateral symmetry of battery package box 1 is provided with dog 17, it places board 4 to be provided with the battery in the inner wall of battery package box 1, can place through dog 17 to exhaust fan 2 and battery and separate between board 4, the upper end fixed mounting that board 4 was placed to the battery has baffle 5, board 4 is placed to the battery is provided with three groups, and every group battery is placed board 4 upper end fixed mounting's 5 impartial distances of baffle and is provided with three groups, be convenient for flow the air current in the battery package box 1, and can place board 4 to the battery and support, avoid the battery to place board 4 and produce pressure to the battery.

The battery placing plate 4 is arranged as a whole battery placing plate with meshes, the baffle plate 5 is arranged as a whole baffle plate with meshes, the heat emitted by the battery and the airflow blown by the fan 13 flow conveniently, the fixing blocks 11 are symmetrically installed on the side wall of the battery pack box body 1, the threaded blind holes 12 are formed in the fixing blocks 11, the fixing blocks 11 and the threaded blind holes 12 are all provided with four groups, the four groups of fixing blocks 11 are symmetrically installed on the side walls of the two sides of the battery pack box body 1, the cover plate 6 is arranged at the upper end of the battery pack box body 1, two groups of fans 13 are embedded in the upper end of the cover plate 6, and the air can be conveniently extracted to dissipate heat in the battery.

The spring 7 is symmetrically installed on one side of the cover plate 6, one end of the spring 7 is fixedly connected with a fixing pressing block 8, a ventilation hole 16 is fixedly formed in the fixing pressing block 8, gas flowing is facilitated, threaded through holes 9 are fixedly formed in two ends of the cover plate 6, four groups of threaded through holes 9 are symmetrically installed at two ends of the cover plate 6, inner rings of the four groups of threaded through holes 9 and inner rings of the four groups of threaded blind holes 12 are correspondingly arranged, a screw rod 10 is connected to the inner ring of the threaded through hole 9 in a threaded mode, one end of the screw rod 10 penetrates through the inner ring of the threaded through hole 9 and is in threaded connection with the inner ring of the threaded blind hole 12, a groove 14 is formed in the upper end of the cover.

The working principle is as follows: when in use, the battery pack is put on the battery placing plate 4 and is pressed by the fixed pressing block 8 arranged on the cover plate 6, screws 10 arranged at the two ends of the cover plate 6 penetrate through the inner ring of the threaded through hole 9 to be fixedly connected with the threaded blind hole 12 in a threaded manner, air is pumped by a fan 13 embedded in the cover plate 6, blowing air to the lower part of the cover plate 6, leading the air flow to enter the interior of the battery pack box body 1 through a vent hole 16 arranged on the fixed pressing block 8, through the through holes on the battery placing plate 4 and the separator 5, the gas is sufficiently diffused into the periphery of the battery, the heat emitted by the battery is emitted out of the battery pack box body 1 through the heat radiating meshes 3 arranged on the side wall of the battery pack box body 1, the heat that gives off is extracting remaining battery in the battery package box 1 through embedded exhaust fan 2 in battery package box 1 bottom, and the heat passes through in exhaust fan 2 discharge battery package box 1.

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. The utility model provides a lithium cell package heat abstractor, includes battery package box (1), its characterized in that: the battery pack box is characterized in that an exhaust fan (2) is embedded in the bottom of the battery pack box (1), heat dissipation mesh holes (3) are formed in the side wall of the battery pack box (1), stop blocks (17) are symmetrically arranged on two sides of the inner bottom of the battery pack box (1), a battery placing plate (4) is arranged in the inner wall of the battery pack box (1), a partition plate (5) is fixedly arranged at the upper end of the battery placing plate (4), fixed blocks (11) are symmetrically arranged on the side wall of the battery pack box (1), threaded blind holes (12) are formed in the fixed blocks (11), an cover plate (6) is arranged at the upper end of the battery pack box (1), two groups of fans (13) are embedded in the upper end of the cover plate (6), springs (7) are symmetrically arranged on one side of the cover plate (6), and one end of each spring (7), the fixed pressing block (8) is fixedly provided with a vent hole (16), the two ends of the cover plate (6) are fixedly provided with threaded through holes (9), the inner ring of each threaded through hole (9) is in threaded connection with a screw rod (10), and one end of each screw rod (10) penetrates through the inner ring of each threaded through hole (9) and is in threaded connection with the inner ring of each threaded blind hole (12).

2. The lithium battery pack heat dissipation device of claim 1, wherein: exhaust fan (2) are provided with three groups, heat dissipation mesh (3) are the rectangle array and set up on the lateral wall of battery package box (1).

3. The lithium battery pack heat dissipation device of claim 1, wherein: the battery placing plate (4) is provided with three groups, three groups of baffle plates (5) fixedly mounted at the upper end of each group of battery placing plate (4) are arranged at equal intervals, the battery placing plate (4) is arranged to be a battery placing plate integrally provided with meshes, and the baffle plates (5) are arranged to be a baffle plate integrally provided with meshes.

4. The lithium battery pack heat dissipation device of claim 1, wherein: the battery pack box is characterized in that four groups of fixing blocks (11) and four groups of threaded blind holes (12) are arranged, and the four groups of fixing blocks (11) are symmetrically arranged on the side walls of the two sides of the battery pack box body (1).

5. The lithium battery pack heat dissipation device of claim 1, wherein: the threaded through holes (9) are provided with four groups, the four groups of threaded through holes (9) are symmetrically arranged at two ends of the cover plate (6), and inner rings of the four groups of threaded through holes (9) and inner rings of the four groups of threaded blind holes (12) are correspondingly arranged.

6. The lithium battery pack heat dissipation device of claim 1, wherein: the upper end of the cover plate (6) is provided with a groove (14), and the inner wall of the groove (14) is rotatably provided with a handle (15) through a round rod.