CN209912995U

CN209912995U - Lithium battery with heat dissipation function

Info

Publication number: CN209912995U
Application number: CN201920899110.4U
Authority: CN
Inventors: 张宗祥; 俞玉庆
Original assignee: Huizhou Excellent Electronic Technology Co Ltd
Current assignee: Huizhou Excellent Electronic Technology Co Ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-01-07
Anticipated expiration: 2029-06-15

Abstract

The utility model discloses a lithium battery with heat dissipation function, which is a shell of a lithium battery pack formed by a box body, a front cover and a rear cover, wherein the upper end of the box body is provided with a notch, and a plurality of heat dissipation holes are arranged on a panel at the lower end of the notch; the upper end of the rear cover is provided with a cover plate, the cover plate is limited on the notch, so that a channel is formed between the cover plate and the box body, an air exhaust component communicated with the channel is arranged in the rear cover, and the rear cover is provided with an air outlet; the utility model aims at providing a lithium cell with heat dissipation function aims at dispelling the heat to lithium cell package group, improves the security performance.

Description

Lithium battery with heat dissipation function

Technical Field

The utility model relates to a lithium cell field specifically is a lithium cell with heat dissipation function.

Background

Lithium ion batteries have high output and high energy density, and are often used in various applications such as portable electronic devices, energy vehicles including hybrid vehicles and electric vehicles, and stationary power storage devices. Particularly, with the increasing demand for energy saving in recent years, development of a stationary power storage device for use in a robot or an unmanned aerial vehicle for a long time has been required.

The service temperature of the existing lithium battery is between-20 ℃ and 50 ℃, the southern area is not affected by low temperature, but the service life is affected under an overheat environment, the service performance is greatly reduced, the heat dissipation effect of the existing lithium battery pack is poor, and the phenomena of explosion or equipment damage often occur due to an overheat problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a lithium cell with heat dissipation function, aim at dispelling the heat to lithium cell package group, improve the security performance.

In order to realize the above purpose, the utility model adopts the technical scheme that: the lithium battery pack comprises a case body, a front cover and a rear cover, wherein the case body, the front cover and the rear cover enclose to form a shell of a lithium battery pack, a notch is formed in the upper end of the case body, and a plurality of heat dissipation holes are formed in a panel at the lower end of the notch; the upper end of the rear cover is provided with a cover plate, the cover plate is limited on the notch, a channel is formed between the cover plate and the box body, an air exhaust component communicated with the channel is arranged in the rear cover, and the rear cover is provided with an air outlet.

Furthermore, the air exhaust assembly comprises a motor, an air exhaust impeller and an air exhaust cover body, and the air exhaust cover body is positioned on the air exhaust opening of the rear cover.

Furthermore, the lithium battery pack group is formed by fixing a plurality of lithium batteries on the two clamping pieces.

Furthermore, the box body, the front cover and the rear cover are all provided with mounting holes, and the box body is connected with the front cover and the rear cover through bolts.

Furthermore, the shell is of a cuboid structure.

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

1. the heat is pumped out through the air pumping assembly, and the purpose of reducing the internal temperature is achieved.

2. The box body, the front cover and the rear cover are connected through bolts, so that the lithium battery pack in the box body can be conveniently installed.

3. The arrangement of the heat dissipation holes and the cover plate and the adoption of the air exhaust mode prevent external dust from entering the box body.

Drawings

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

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a schematic view of a partial structure of the present invention.

FIG. 4 is a schematic diagram of the structure of the air pumping assembly.

Fig. 5 is a schematic structural view of a clip disposed in a case.

The text labels in the figures are represented as: 10. a box body; 20. a front cover; 30. a rear cover; 40. an air extraction assembly; 50. a clip sheet; 60. a lithium battery; 101. a notch; 102. heat dissipation holes; 301. mounting holes; 302. an air extraction opening; 303. a cover plate; 401. a motor; 402. an air exhaust impeller; 403. an air exhaust cover body.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

As shown in fig. 1-5, the specific structure of the present invention is: the lithium battery pack shell is surrounded by a box body 10, a front cover 20 and a rear cover 30 to form a lithium battery pack shell, can be designed into a cuboid structure and is used for an unmanned aerial vehicle or a robot, wherein the upper end of the box body 10 is provided with a notch 101, a plurality of heat dissipation holes 102 are formed in a panel at the lower end of the notch 101, the notch 101 is covered by a cover plate 303 on the rear cover 30 and forms a channel with the upper part of the heat dissipation holes 102 of the box body 10, and sealing rings can be filled around the cover plate 303 in the installation process to seal the cover plate 303; the air extracting assembly 40 is arranged on the rear cover 30, so that hot air in the box body 10 is extracted, and the aim of reducing the internal temperature is fulfilled; the air extracting assembly 40 is composed of a motor 401, an air extracting impeller 402 and an air extracting cover body 403, and the air extracting cover body 403 is positioned on the air extracting opening 302 of the rear cover 30 so as to be communicated with the channel.

Preferably, the lithium battery pack is formed by fixing a plurality of lithium batteries 60 to the two clip pieces 50.

Preferably, the box body 10, the front cover 20 and the rear cover 30 are all provided with mounting holes 301, and the box body 10 is connected with the front cover 20 and the rear cover 30 through bolts, so that the lithium battery pack inside the box body 10 is conveniently mounted.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. A lithium battery with a heat dissipation function is characterized in that a shell of a lithium battery pack is enclosed by a box body (10), a front cover (20) and a rear cover (30), wherein the upper end of the box body (10) is provided with a notch (101), and a plurality of heat dissipation holes (102) are formed in a panel at the lower end of the notch (101); the upper end of the rear cover (30) is provided with a cover plate (303), the cover plate (303) is limited on the notch (101), a channel is formed between the cover plate (303) and the box body (10), an air exhaust component (40) communicated with the channel is arranged in the rear cover (30), and an air outlet hole is formed in the rear cover (30).

2. The lithium battery with the heat dissipation function as recited in claim 1, wherein the air-extracting assembly (40) is composed of a motor (401), an air-extracting impeller (402) and an air-extracting hood body (403), and the air-extracting hood body (403) is positioned on the air-extracting opening (302) of the back cover (30).

3. The lithium battery with heat dissipation function as claimed in claim 1, wherein the lithium battery pack is formed by fixing a plurality of lithium batteries (60) to two clip pieces (50).

4. The lithium battery with the heat dissipation function as recited in claim 1, wherein the box body (10), the front cover (20) and the rear cover (30) are all provided with mounting holes (301), and the box body (10) is connected with the front cover (20) and the rear cover (30) through bolts.

5. The lithium battery with the heat dissipation function as recited in claim 1, wherein the case has a rectangular parallelepiped structure.