CN212113799U

CN212113799U - Battery structure that security performance is good

Info

Publication number: CN212113799U
Application number: CN202020767968.8U
Authority: CN
Inventors: 黄新萍; 张正裕; 李军
Original assignee: Guangdong University of Technology
Current assignee: Guangdong University of Technology
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-08
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a battery structure with good safety performance, which comprises a battery main body, a protective shell and a heat dissipation shell, wherein a heat conduction base is arranged at the bottom in the protective shell, a heat conduction column is arranged on the bottom end surface of the protective shell corresponding to the heat conduction base, the bottom of the battery main body is fixedly arranged in the protective shell through the heat conduction base, and a heat dissipation space is formed between the battery main body and the protective shell; the side wall of the protective shell is spirally provided with a second heat conduction column corresponding to the outer wall of the battery main body, the tail end of the second heat conduction column is attached to the outer wall of the battery main body, and the tail end of the heat dissipation shell corresponding to the second heat conduction column and the tail end of the second heat conduction column are fixedly sleeved with the outer wall of the protective shell. This battery structure that security performance is good has the equipment cost low, the thermal diffusivity when improving the battery and using to improve the advantage of battery stability in use and security, solved current battery module with high costs, the thermal diffusivity is not good during the use, stability and security's when reducing the battery problem.

Description

Battery structure that security performance is good

Technical Field

The utility model relates to a battery technology field specifically is a battery structure that security performance is good.

Background

The temperature has a crucial influence on the battery performance, and the difference of the battery temperature determines the service life, stability and safety performance of the battery. Power battery module among the correlation technique can set up one deck protective housing in the outside packing when the packing, and it is fixed to protect the battery module, influences the self heat dissipation of battery module, and no matter in high temperature environment or low temperature environment, heat abstractor is all being the power battery heat dissipation, and power battery's heat radiation structure is complicated and radiating efficiency is not satisfactory enough, leads to the cost-up and the battery module life-span of battery module, stability in use and security of battery module to obtain the assurance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery structure that security performance is good, it is with low costs to have the equipment, thermal diffusivity when improving the battery and using to improve the advantage of battery stability in use and security, solved current battery module with high costs, thermal diffusivity is not good during the use, stability and security's when reducing the battery problem.

In order to achieve the above object, the utility model provides a following technical scheme: a battery structure with good safety performance comprises a battery main body, a protective shell and a heat dissipation shell, wherein a heat conduction base is arranged at the bottom in the protective shell, a heat conduction column is arranged on the protective shell and corresponds to the end face of the bottom of the heat conduction base, the bottom of the battery main body is fixedly arranged in the protective shell through the heat conduction base, and a heat dissipation space is formed between the bottom of the battery main body and the protective shell;

the side wall of the protective shell is spirally provided with a second heat conduction column corresponding to the outer wall of the battery main body, the tail end of the second heat conduction column is attached to the outer wall of the battery main body, and the tail end of the heat dissipation shell corresponding to the second heat conduction column and the tail end of the second heat conduction column are fixedly sleeved with the outer wall of the protective shell.

Furthermore, the heat conduction base, the heat conduction column and the second heat conduction column are all arranged in a copper structure, and inner cores of the phase change heat storage structures are arranged inside the heat conduction base, the heat conduction column and the second heat conduction column.

Furthermore, the bottom of the protective shell is provided with a vent corresponding to the heat dissipation space, a filter chip is arranged inside the vent, and the filter chip is arranged in a double-layer non-woven fabric structure.

Further, the top of battery main part is passed protective housing and is provided with connecting terminal, the top of connecting terminal is provided with insulating arch.

Furthermore, the end part of the second heat conduction column is provided with a heat conduction plate corresponding to the outer wall of the battery main body and is in contact with the outer wall of the battery main body through the heat conduction plate.

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

1. the utility model discloses set up the heat dissipation space through protective housing in battery main body's outside, battery main body self temperature when using distributes inside the heat dissipation space, the heat conduction base, the heat conduction post is produced to give off the heat inside the heat dissipation space and derives to protective housing's inner wall to the battery main body operation, and accept the heat dissipation to the heat that heat conduction post and two derivation of heat conduction post through the heat dissipation shell, the area when improving the heat dissipation to battery main body operation, thereby when guaranteeing to protect battery main body, improve the radiating efficiency of battery main body.

2. The utility model discloses the tip of heat conduction post two passes through the outer wall contact of heat-conducting plate with battery main body, and battery main body installs at the inside back of protecting sheathing, and the heat conduction post passes protecting sheathing and is the centre gripping form through the heat-conducting plate to battery main body and fixes inside protecting sheathing, improves the stability of installing at protecting sheathing inside of battery main body.

Drawings

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

fig. 2 is a schematic external structural view of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the heat-conducting column of the present invention.

In the figure: a battery main body 1; a protective casing 2; a heat dissipation case 3; a heat conductive base 4; a heat-conducting column 5; a heat dissipation space 6; a second heat conduction column 7; an inner core 8; a ventilation opening 9; a connection terminal 10; an insulating protrusion 11; heat-conducting plate 12.

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, a battery structure with good safety performance includes a battery main body 1, a protective casing 2 and a heat dissipation casing 3, wherein a heat conduction base 4 is disposed at the bottom of the protective casing 2, a heat conduction column 5 is disposed at the bottom end face of the protective casing 2 corresponding to the heat conduction base 4, the bottom of the battery main body 1 is fixedly mounted inside the protective casing 2 through the heat conduction base 4, and a heat dissipation space 6 is formed between the battery main body and the protective casing 2;

the lateral wall of protective housing 2 corresponds the outer wall spiral of battery subject 1 and installs two 7 heat conduction posts, the terminal of two 7 heat conduction posts and the attached setting of battery subject 1's outer wall, the fixed suit of the outer wall of the terminal and protective housing 2 that the heat dissipation shell 3 corresponds two 7 heat conduction posts 5 and heat conduction posts.

Specifically, the heat conduction base 4, the heat conduction column 5 and the second heat conduction column 7 are all arranged in a copper structure, and the inner cores 8 of the phase change heat storage structure are arranged inside the heat conduction base 4, the heat conduction column 5 and the second heat conduction column 7. The inner core 8 of phase change thermal storage structure in chilly winter keeps battery body 1 to the heat accumulation that heat dissipation space 6 and battery body 1 gived off, can normal use in chilly winter, because inner core 8 sets up in the inside of heat conduction base 4, heat conduction post 5 and two 7 heat conduction posts, can not influence heat conduction base 4, heat conduction post 5 and two 7 heat conduction posts and to the thermal derivation of battery body 1 outer wall.

Specifically, vent 9 has been seted up to protective housing 2's bottom corresponding heat dissipation space 6, vent 9 is inside to be provided with the filter chip, the filter chip adopts double-deck non-woven fabric structure to set up. The ventilation opening 9 discharges heat inside the heat dissipation space 6, and filters outside air through the filter core plate, so that dust in the air is prevented from entering the heat dissipation space 6.

Specifically, the top of the battery body 1 penetrates through the protective housing 2 to be provided with a connecting terminal 10, and the top of the connecting terminal 10 is provided with an insulating protrusion 11. The equipment connected with the output end of the battery body 1 is connected with the battery body 1 through the connecting terminal 10, and the insulating bulge 11 is used for insulating and limiting the joint, so that the connected line is prevented from sliding off the connecting terminal 10.

Specifically, the end part of the second heat conduction column 7 is provided with a heat conduction plate 12 corresponding to the outer wall of the battery main body 1, and is in contact with the outer wall of the battery main body 1 through the heat conduction plate 12. Battery body 1 installs at the inside back of protective housing 2, and heat conduction post 5 passes protective housing 2 and is the centre gripping form through heat-conducting plate 12 to battery body 1 and fix inside protective housing 2, improves battery body 2 and installs the stability in protective housing 1 is inside.

During the use, battery body 1 self temperature when using gives off inside heat dissipation space 6, heat conduction post 5 that 4 bottom end surfaces of heat conduction base set up, heat conduction post two 7 produces the heat that gives off inside heat dissipation space 6 to the operation of battery body 1 and derives to protective housing 2's inner wall, and accept the heat dissipation to the heat that heat conduction post 5 and heat conduction post two 7 derive through heat dissipation shell 3, the area when improving the operation heat dissipation to battery body 1, thereby when guaranteeing to protect battery body 1, improve the radiating efficiency to battery body 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 battery structure that security performance is good, includes battery main body (1), protective housing (2) and heat dissipation shell (3), its characterized in that: a heat conduction base (4) is arranged at the bottom in the protective shell (2), a heat conduction column (5) is arranged on the protective shell (2) corresponding to the bottom end face of the heat conduction base (4), the bottom of the battery main body (1) is fixedly arranged in the protective shell (2) through the heat conduction base (4), and a heat dissipation space (6) is formed between the battery main body and the protective shell (2);

the battery pack is characterized in that a second heat-conducting column (7) is spirally mounted on the outer wall of the side wall of the protective shell (2) corresponding to the battery body (1), the tail end of the second heat-conducting column (7) is attached to the outer wall of the battery body (1), and the tail end of the heat dissipation shell (3) corresponding to the second heat-conducting column (5) and the tail end of the second heat-conducting column (7) is fixedly sleeved with the outer wall of the protective shell (2).

2. A battery structure with good safety according to claim 1, characterized in that: the heat conduction base (4), the heat conduction column (5) and the second heat conduction column (7) are all arranged in a copper structure, and inner cores (8) of the phase change heat storage structure are arranged inside the heat conduction base (4), the heat conduction column (5) and the second heat conduction column (7).

3. A battery structure with good safety according to claim 1, characterized in that: the bottom of the protective shell (2) corresponds to the heat dissipation space (6) and is provided with a vent (9), a filter chip is arranged inside the vent (9), and the filter chip is arranged in a double-layer non-woven fabric structure.

4. A battery structure with good safety according to claim 1, characterized in that: the top of battery body (1) is passed protective housing (2) and is provided with connecting terminal (10), the top of connecting terminal (10) is provided with insulating arch (11).

5. A battery structure with good safety according to claim 1, characterized in that: the end part of the second heat-conducting column (7) is provided with a heat-conducting plate (12) corresponding to the outer wall of the battery main body (1) and is in contact with the outer wall of the battery main body (1) through the heat-conducting plate (12).