CN218385674U

CN218385674U - Lithium battery insulating gasket

Info

Publication number: CN218385674U
Application number: CN202222755174.1U
Authority: CN
Inventors: 何天卫; 马存英
Original assignee: Super Ness Shenzhen New Energy Group Co ltd
Current assignee: Super Ness Shenzhen New Energy Group Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-01-24
Anticipated expiration: 2032-10-19

Abstract

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery insulating gasket, which comprises a gasket body, a containing groove, a heat conducting gasket and a refrigerating assembly used for heat radiation of the heat conducting gasket, wherein insulating cloth layers are bonded on the left side and the right side of the gasket body, and are arranged on the contact surface of the gasket body and a lithium battery; in practical application, the two lithium batteries are accommodated in the accommodating grooves on the left side and the right side of the gasket body, heat emitted by the lithium batteries is led out through the heat conducting gasket, and the heat conducting gasket is refrigerated through the refrigerating assembly, so that the heat dissipation effect between the batteries is improved; the lithium battery and the gasket body are isolated through the insulating cloth layer, so that the short circuit of the lithium battery caused by the shell voltage between the batteries is prevented; the utility model discloses can improve the radiating effect between battery and the battery, still have good insulating effect, prevent the problem of the lithium cell short circuit that arouses because of casing voltage between battery and the battery.

Description

Lithium battery insulating gasket

Technical Field

The utility model relates to a lithium battery technology field specifically is a lithium battery insulation gasket.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. Therefore, lithium batteries have not been used for a long time. With the development of science and technology, lithium batteries have become the mainstream nowadays. The lithium battery is widely applied to energy storage power systems of hydraulic power, fire power, wind power, solar power stations and the like, uninterruptible power supplies of post and telecommunications communication, electric tools, electric bicycles, electric motorcycles, electric automobiles, military equipment, aerospace and other fields, the currently developed high-capacity lithium ion battery is tried in the electric automobiles, is expected to become one of main power supplies of the electric automobiles in the 21 st century, and is applied to artificial satellites, aerospace and energy storage.

However, in the application process of the lithium battery, the battery needs to be cooled, so that a heat conduction gasket is used between the batteries, but the heat conduction effect of the common heat conduction gasket is poor, so that the heat dissipation effect of the battery is influenced; in addition, the shell of a common lithium battery is an aluminum shell or a steel shell, is an electric conductor and is communicated with the positive electrode and the negative electrode of the battery through electrolyte, so that the shell voltage exists, the batteries are also isolated from each other, the lithium battery is prevented from being damaged by short circuit, and the conventional heat conducting gasket has no insulating effect and great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to foretell not enough, provide a lithium cell insulating gasket, can improve the radiating effect between battery and the battery, still have good insulating effect, prevent the problem of the lithium cell short circuit that arouses because of casing voltage between battery and the battery.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a lithium battery insulating gasket, includes the gasket body, set up in the recess that holds of the gasket body left and right sides inlays to be located the heat gasket of holding the recess tank bottom and be used for giving the refrigeration assembly that the heat gasket heat dissipation adopted, the left and right sides of gasket body all bonds there is insulating bed of cloth, insulating bed of cloth set up in on the contact surface of gasket body and lithium cell.

Furthermore, a heat dissipation through groove is formed in the gasket body, and a plurality of connecting through grooves communicated with the heat dissipation through groove are formed in the bottom of the accommodating groove; the refrigeration assembly comprises a heat radiation fan arranged in the heat radiation through groove and a semiconductor refrigeration piece arranged in the connecting through groove, the refrigeration end of the semiconductor refrigeration piece is attached to the heat conduction gasket, and the heating end of the semiconductor refrigeration piece extends into the heat radiation through groove.

Further, the heat dissipation fan is arranged close to one end of the heat dissipation through groove.

Furthermore, the insulating cloth layer comprises a glass fiber insulating layer, the upper portion of the glass fiber insulating layer is connected with a polyaramide fiber insulating layer in a knitted mode, and the polyaramide fiber insulating layer is bonded with the gasket body.

Further, the heat conducting pad is made of silicon carbide.

The utility model has the advantages that:

in practical application, the two lithium batteries are accommodated in the accommodating grooves on the left side and the right side of the gasket body, heat emitted by the lithium batteries is led out through the heat conducting gasket, and the heat conducting gasket is refrigerated through the refrigerating assembly, so that the heat dissipation effect between the batteries is improved; the lithium battery and the gasket body are isolated through the insulating cloth layer, so that the short circuit of the lithium battery caused by the shell voltage between the batteries is prevented; the utility model discloses can improve the radiating effect between battery and the battery, still have good insulating effect, prevent the problem of the lithium cell short circuit that arouses because of casing voltage between battery and the battery.

Drawings

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

reference numerals: a gasket body 1; an accommodation groove 11; a heat dissipation through groove 12; a connecting through groove 13; a heat conductive pad 2; a heat radiation fan 31; a semiconductor refrigerating sheet 32; an insulating cloth layer 4.

Detailed Description

As shown in fig. 1, a lithium battery insulating gasket, including gasket body 1, set up in the recess 11 that holds of the 1 left and right sides of gasket body inlays to be located the heat conduction gasket 2 of the 11 tank bottoms of recess and be used for giving the refrigeration assembly that the heat conduction gasket 2 heat dissipation adopted, the insulating cloth layer 4 has all been bonded to the left and right sides of gasket body 1, insulating cloth layer 4 set up in on the contact surface of gasket body 1 and lithium cell.

When the lithium battery heat dissipation gasket is used, the two lithium batteries are accommodated in the accommodating grooves 11 on the left side and the right side of the gasket body 1, heat dissipated by the lithium batteries is conducted out through the heat conduction gasket 2, the heat conduction gasket 2 is refrigerated through the refrigerating assembly, and the heat dissipation effect between the batteries is improved; the lithium battery and the gasket body 1 are isolated through the insulating cloth layer 4, so that the short circuit of the lithium battery caused by the shell voltage between the batteries is prevented; the utility model discloses can improve the radiating effect between battery and the battery, still have good insulating effect, prevent the problem of the lithium cell short circuit that arouses because of casing voltage between battery and the battery.

As shown in fig. 1, a heat dissipation through groove 12 is formed in the gasket body 1, and a plurality of connecting through grooves 13 communicating with the heat dissipation through groove 12 are formed at the bottom of the accommodating groove 11; the refrigerating assembly comprises a heat radiation fan 31 arranged in the heat radiation through groove 12 and a semiconductor refrigerating sheet 32 arranged in the connecting through groove 13, the refrigerating end of the semiconductor refrigerating sheet 32 is attached to the heat conduction gasket 2, and the heating end of the semiconductor refrigerating sheet 32 extends into the heat radiation through groove 12; in this embodiment, derive the heat that the lithium cell gived off through heat conduction gasket 2, give heat conduction gasket 2 refrigeration through the refrigeration end of semiconductor refrigeration piece 32, give the heat dissipation of the end that heats of semiconductor refrigeration piece 32 through cooling fan 31, improved the radiating effect between battery and the battery.

As shown in fig. 1, the heat dissipation fan 31 is disposed near one end of the heat dissipation through slot 12; in this embodiment, the heat dissipation fan 31 is disposed near one end of the heat dissipation through slot 12, so that a fault of the heat dissipation fan 31 caused by an excessively high temperature of the heating end of the semiconductor refrigeration sheet 32 can be effectively prevented.

As shown in fig. 1, the insulating fabric layer 4 includes a glass fiber insulating layer, the upper fabric of the glass fiber insulating layer is connected with a polyaramide fiber insulating layer, and the polyaramide fiber insulating layer is bonded with the gasket body 1; in this embodiment, the gasket body 1 and the lithium battery are isolated by the glass fiber insulating layer and the aramid fiber insulating layer, so that the adjacent lithium batteries are insulated from each other.

As shown in fig. 1, the heat conductive pad 2 is made of silicon carbide; in this embodiment, the heat conducting gasket 2 made of silicon carbide has both good heat conductivity and insulation property, and further improves the insulation effect of the gasket body 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a lithium cell insulating gasket which characterized in that: including gasket body (1), set up in the recess (11) that holds of both sides about gasket body (1) inlays to be located heat-conducting gasket (2) that hold recess (11) tank bottom and be used for the refrigeration assembly that heat-conducting gasket (2) heat dissipation adopted, the left and right sides of gasket body (1) all bonds and has insulating bed of cloth (4), insulating bed of cloth (4) set up in on the contact surface of gasket body (1) and lithium cell.

2. The lithium battery insulating gasket of claim 1, wherein: a heat dissipation through groove (12) is formed in the gasket body (1), and a plurality of connecting through grooves (13) communicated with the heat dissipation through groove (12) are formed in the bottom of the accommodating groove (11); the refrigeration assembly comprises a heat dissipation fan (31) arranged in the heat dissipation through groove (12) and a semiconductor refrigeration piece (32) arranged in the connecting through groove (13), the refrigeration end of the semiconductor refrigeration piece (32) is attached to the heat conduction gasket (2), and the heating end of the semiconductor refrigeration piece (32) extends into the heat dissipation through groove (12).

3. The lithium battery insulating gasket of claim 2, wherein: the heat dissipation fan (31) is arranged close to one end of the heat dissipation through groove (12).

4. The lithium battery insulating gasket of claim 1, wherein: the insulating cloth layer (4) comprises a glass fiber insulating layer, the upper portion of the glass fiber insulating layer is connected with a polyaramide fiber insulating layer in a knitted mode, and the polyaramide fiber insulating layer is bonded with the gasket body (1).

5. The lithium battery insulating gasket of claim 1, wherein: the heat conducting gasket (2) is made of silicon carbide.