CN217387277U

CN217387277U - Heat dissipation efficient lithium cell group shell

Info

Publication number: CN217387277U
Application number: CN202220073012.7U
Authority: CN
Inventors: 潘亚军
Original assignee: Dongguan Lipeng Battery Co ltd
Current assignee: Dongguan Lipeng Battery Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-09-06
Anticipated expiration: 2032-01-12

Abstract

The utility model relates to a lithium cell group shell technical field specifically is a heat dissipation efficient lithium cell group shell, including main shell, the top cap is installed on the top of main shell, and the terminal is installed to the surface symmetry of top cap, and the heat dissipation shell is installed to the bilateral symmetry of main shell, and built-in piece is installed to the internal symmetry of heat dissipation shell, and the mounting hole has been seted up to the inside of built-in piece, and the internally mounted of mounting hole has little motor, and the go-between is installed to the output of little motor, and the surface of go-between evenly installs the fan board, and the notch has been seted up near the bilateral symmetry of heat dissipation shell to main shell. The utility model discloses, through setting up this heat dissipation shell, built-in piece, mounting hole, micromotor, go-between, fan board, notch and heat conduction silica gel pad isotructure, can take the fan board to rotate through the micromotor on the one hand, dispel the heat to lithium cell group, on the other hand, through the effect of heat conduction silica gel pad, realize the inside thermal quick derivation that produces of lithium cell group, and then improved the radiating effect of traditional lithium cell group shell greatly.

Description

Heat dissipation efficient lithium cell group shell

Technical Field

The utility model relates to a lithium cell group shell technical field especially relates to a heat dissipation efficient lithium cell group shell.

Background

The lithium battery is a battery which uses non-aqueous electrolyte solution and takes lithium metal or lithium alloy as a positive/negative electrode material, the single lithium battery is combined together to form a lithium battery pack, along with the continuous progress of the technology, the application of the lithium battery pack is more and more extensive, when the lithium battery pack is installed and used, the lithium battery pack shell is a basic installation part, but the existing lithium battery pack shell only realizes the wrapping protection of the lithium battery pack when in use, so that the integral heat dissipation performance of the lithium battery pack is influenced, and further the service performance of the whole lithium battery pack is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heat dissipation efficient lithium battery pack shell.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a heat dissipation efficient lithium cell group shell, includes the main casing, the top cap is installed on the top of main casing, the terminal is installed to the surface symmetry of top cap, the heat dissipation casing is installed to the bilateral symmetry of main casing, built-in piece is installed to the inside symmetry of heat dissipation casing, the mounting hole has been seted up to the inside of built-in piece, the internally mounted of mounting hole has little motor, the go-between is installed to the output of little motor, the fan board is evenly installed to the surface of go-between, the notch has been seted up near the bilateral symmetry of heat dissipation casing to the main casing, the main casing is close to the inner wall of notch one side and installs heat conduction silica gel pad.

In order to improve the radiating effect of heat dissipation shell, the utility model discloses the improvement has, logical groove has evenly been seted up to the surface of heat dissipation shell, the inner wall fixed mounting of heat dissipation shell has the copper sheet.

For the holistic dismouting of convenient heat dissipation shell, the utility model discloses the improvement has, the fixed block is all installed to the four corners position of heat dissipation shell, the fixed block passes through the outer fixed surface of screw and main shell and is connected.

In order to improve the air fluidity in the heat dissipation shell, the utility model discloses the improvement has, the surface mounting that the go-between one end was kept away from to the sector has the cloth.

In order to further improve heat conduction silica gel pad's heat conduction effect, the utility model discloses the improvement has, heat conduction silica gel pad's inboard even coating has heat conduction silicone grease.

In order to improve the stability of lithium cell group in the use, the utility model discloses the improvement has, the bottom of main shell is provided with auxiliary structure, auxiliary structure includes the rubber air bag, the bottom intercommunication of rubber air bag has the gas tube, the through-hole has been seted up to the bottom of main shell, the inside at the through-hole is established to the gas tube insertion.

In order to further improve the use effect of the rubber air bag, the utility model discloses the improvement has, the inside even packing of rubber air bag has the stereoplasm bubble cotton.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model discloses in, through setting up this heat dissipation shell, built-in piece, mounting hole, micromotor, go-between, fan board, notch and heat conduction silica gel pad isotructure, can take the fan board to rotate through the micromotor on the one hand, dispel the heat to lithium cell group, on the other hand, through the effect of heat conduction silica gel pad, realizes deriving the inside thermal quick that produces of lithium cell group, and then has improved the radiating effect of traditional lithium cell group shell greatly.

2. The utility model discloses in, through setting up this rubber air bag, gas tube and through-hole isotructure, can utilize the gas expansion effect at the inside back of main shell of putting into of lithium cell group, reduce the space between lithium cell group and the main shell, and then can avoid the in-process that uses, the condition that the lithium cell group takes place to rock appears.

Drawings

Fig. 1 is an overall view of a lithium battery pack case with high heat dissipation efficiency according to the present invention;

fig. 2 is an exploded view of a lithium battery pack case with high heat dissipation efficiency according to the present invention;

fig. 3 is an enlarged view of the portion a in fig. 2 of the lithium battery pack case with high heat dissipation efficiency according to the present invention;

fig. 4 is the utility model provides a B department's enlargements in heat dissipation efficient lithium cell group shell fig. 2.

Illustration of the drawings:

1. a main housing; 2. a top cover; 3. a binding post; 4. a heat dissipation housing; 5. a built-in block; 6. mounting holes; 7. a small motor; 8. a connecting ring; 9. a fan plate; 10. a notch; 11. a heat-conducting silica gel pad; 12. a copper sheet; 13. cloth strips; 14. a rubber inflatable bag; 15. an inflation tube; 16. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example one

Referring to fig. 1-3, the present invention provides a technical solution: a lithium battery pack shell with high heat dissipation efficiency comprises a main shell 1, a top cover 2 is installed at the top end of the main shell 1, binding posts 3 are symmetrically installed on the outer surface of the top cover 2, heat dissipation shells 4 are symmetrically installed on two sides of the main shell 1, built-in blocks 5 are symmetrically installed inside the heat dissipation shells 4, installation holes 6 are formed in the built-in blocks 5, small motors 7 are installed inside the installation holes 6, connecting rings 8 are installed at the output ends of the small motors 7, fan plates 9 are evenly installed on the outer surfaces of the connecting rings 8, notches 10 are symmetrically formed in two sides, close to the heat dissipation shells 4, of the main shell 1, heat conduction silica gel pads 11 are installed on the inner wall, close to one sides of the notches 10, of the main shell 1, structures such as the heat dissipation shells 4, the built-in blocks 5, the installation holes 6, the small motors 7, the connecting rings 8, the fan plates 9, the notches 10 and the heat conduction silica gel pads 11 are arranged, on the one hand, the fan plates 9 can be driven to rotate by the small motors 7 to dissipate heat of the lithium battery pack, on the other hand, through the effect of heat conduction silica gel pad 11, realize leading out fast to the inside heat that produces of lithium cell group, and then improved the radiating effect of traditional lithium cell group shell greatly.

Referring to fig. 2 and 3, through grooves are uniformly formed on the outer surface of the heat dissipating casing 4, copper sheets 12 are fixedly mounted on the inner wall of the heat dissipating casing 4, the copper sheets 12 are matched with the through grooves, so that the heat dissipating effect inside the main casing 1 can be ensured, meanwhile, dust can be prevented from entering the interior of the main shell 1, the four corners of the radiating shell 4 are provided with fixing blocks, the fixing blocks are fixedly connected with the outer surface of the main shell 1 through screws and are arranged by adopting the fixing blocks and the screws, the whole disassembly and assembly of the heat dissipation shell 4 can be conveniently carried out by workers, the cloth strips 13 are arranged on the outer surface of one end of the fan plate 9, which is far away from the connecting ring 8, the cloth strips 13 can rotate along with the fan plate 9, so that the air fluidity in the heat dissipation shell 4 is improved, and then improve the radiating effect of main casing 1, the inboard even coating of heat conduction silica gel pad 11 has heat conduction silicone grease, and heat conduction silicone grease can further improvement heat conduction silica gel pad 11's heat conduction effect.

Example two

Referring to fig. 2 and 4, an auxiliary structure is arranged at the bottom end of the main shell 1, the auxiliary structure includes a rubber air bag 14, the bottom of the rubber air bag 14 is communicated with an air tube 15, a through hole 16 is formed in the bottom of the main shell 1, the air tube 15 is inserted into the through hole 16, and the rubber air bag 14, the air tube 15, the through hole 16 and other structures are arranged, so that after the lithium battery pack is placed inside the main shell 1, the gap between the lithium battery pack and the main shell 1 is reduced by utilizing the gas expansion effect, and the situation that the lithium battery pack shakes during use can be avoided, hard foam is uniformly filled in the rubber air bag 14, and the use effect of the rubber air bag 14 can be further improved.

The working principle is as follows: when the lithium battery pack shell is used by an operator, the operator can directly place the lithium battery pack into the main shell 1, the lithium battery pack is in direct contact with the rubber inflating bag 14, the top cover 2 is tightly closed by the operator, then the operator can inflate the rubber inflating bag 14 by using the inflating tube 15, the rubber inflating bag 14 expands to compress a gap between the lithium battery pack and the main shell 1, the situation that the lithium battery pack shakes in the using process can be avoided, when the lithium battery pack starts to work, the operator can turn on the four groups of small motors 7, the small motors 7 can drive the fan plates 9 and the cloth strips 13 to rotate, wind power is generated to dissipate heat of the lithium battery pack, meanwhile, the heat generated in the lithium battery pack can be rapidly led out by the heat conducting silica gel pads 11 and is sent into the heat dissipating shell 4 through the notches 10, cloth 13 rotates in heat dissipation shell 4 is inside, can increase air mobility, and copper sheet 12 and logical groove are gone up in the cooperation, and then can realize the inside quick heat dissipation of heat dissipation shell 4.

In the above, the present invention is only a preferred embodiment, and is not limited to the present invention in other forms, and any person skilled in the art may use the above-disclosed technical contents to change or modify the equivalent embodiment into equivalent changes to be applied in other fields, but all the persons do not depart from the technical contents of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a lithium cell group shell of high efficiency dispels heat, includes main shell (1), its characterized in that: top cap (2) are installed on the top of main shell (1), terminal (3) are installed to the surface symmetry of top cap (2), heat dissipation shell (4) are installed to the bilateral symmetry of main shell (1), built-in piece (5) are installed to the internal symmetry of heat dissipation shell (4), mounting hole (6) have been seted up to the inside of built-in piece (5), the internally mounted of mounting hole (6) has micromotor (7), go-between (8) are installed to the output of micromotor (7), fan board (9) are evenly installed to the surface of go-between (8), notch (10) have been seted up to the bilateral symmetry that main shell (1) is close to heat dissipation shell (4), main shell (1) is close to the inner wall of notch (10) one side and installs heat conduction silica gel pad (11).

2. The thermally efficient lithium battery pack housing of claim 1, wherein: the outer surface of the heat dissipation shell (4) is uniformly provided with through grooves, and the inner wall of the heat dissipation shell (4) is fixedly provided with copper sheets (12).

3. The thermally efficient lithium battery pack housing of claim 1, wherein: the four corners position of heat dissipation shell (4) all installs the fixed block, the fixed block passes through the outer fixed surface connection of screw and main shell (1).

4. The thermally efficient lithium battery pack housing of claim 1, wherein: the outer surface of one end of the fan plate (9) far away from the connecting ring (8) is provided with a cloth strip (13).

5. The thermally efficient lithium battery pack housing of claim 1, wherein: and the inner side of the heat-conducting silica gel pad (11) is uniformly coated with heat-conducting silicone grease.

6. The thermally efficient lithium battery pack housing of claim 1, wherein: the bottom of main casing (1) is provided with auxiliary structure, auxiliary structure includes rubber air bag (14), the bottom intercommunication of rubber air bag (14) has gas tube (15), through-hole (16) have been seted up to the bottom of main casing (1), gas tube (15) are inserted and are established the inside at through-hole (16).

7. The thermally efficient lithium battery pack housing of claim 6, wherein: hard foam is uniformly filled in the rubber inflatable bag (14).