CN212587598U

CN212587598U - Fireproof storage battery device

Info

Publication number: CN212587598U
Application number: CN201922282148.XU
Authority: CN
Inventors: 盛旭晨; 汪泽贵
Original assignee: Jiaxing Banchen New Energy Technology Co ltd
Current assignee: Jiaxing Banchen New Energy Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2021-02-23
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to the technical field of electric energy, especially, relate to a storage battery device. Fireproof storage battery device, including the open casing in top, be equipped with lithium cell group in the casing, be equipped with the detachable lid on the casing, the bottom surface and the top surface of casing are equipped with fire prevention gasket respectively, and fire prevention gasket includes insulating protective layer, sets up the fire prevention insulating layer on insulating protective layer, and lithium cell group is located between two fire prevention gaskets, and insulating protective layer separates fire prevention insulating layer and lithium cell group. Due to the adoption of the technical scheme, the utility model discloses both have apparent fire prevention effect, can protect lithium cell group again and avoid external damage, still have better radiating effect.

Description

Fireproof storage battery device

Technical Field

The utility model relates to the technical field of electric energy, especially, relate to a storage battery device.

Background

The accumulator is a battery which stores chemical energy and discharges electric energy when necessary, and is arranged in an accumulator box, and electrodes on the accumulator extend out of the box body through the accumulator box. The lithium battery in the storage battery is widely applied to various industries due to the obvious advantages of high energy, long service life and the like. However, the lithium battery is easy to cause spontaneous combustion due to high temperature, thereby causing personal safety problems and property loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention type battery device to solve above-mentioned technical problem.

The utility model provides a technical problem can adopt following technical scheme to realize:

the fireproof storage battery device comprises a shell with an open top, wherein a lithium battery pack is arranged in the shell, a detachable cover body is arranged on the shell, fireproof gaskets are respectively arranged on the bottom surface and the top surface of the shell, and each fireproof gasket comprises an insulating protective layer and a fireproof heat insulation layer arranged on the insulating protective layer;

the lithium battery pack is located between the two fireproof gaskets, and the fireproof heat insulation layer is separated from the lithium battery pack through the insulation protection layer.

The utility model discloses set up two fire prevention gaskets in original casing, insulating protective layer in the fire prevention gasket separates fire prevention insulating layer and lithium cell group, when preventing the sulphuric acid leakage in the lithium cell group, gets into the fire prevention insulating layer, leads to electrically conductive short circuit problem. The fireproof heat-insulating layer can be used for fireproof isolation when spontaneous combustion such as short circuit and the like occurs in the lithium battery pack to cause combustion, so that large-area fire is avoided, and the fireproof function of the device is realized. The utility model discloses fine inside high temperature of prevention battery is on fire and is postponed to burn to the battery outside, avoids whole battery to be on fire to arouse bigger loss of property. In addition, when the lithium battery pack is damaged by external force, the fireproof gasket can be used as a buffer layer to protect the lithium battery pack in the buffer layer.

The periphery of casing also is equipped with the fire prevention gasket, the peripheral fire prevention gasket of casing and the fixed formation of fire prevention gasket of bottom with the fire prevention box body that the casing shape is the same, fire prevention box body top is equipped with the fire prevention lid that the fire prevention gasket formed, lithium cell group is located in the fire prevention box body. Lithium cell group is kept apart in all-round protection of being convenient for.

Two shell supporting columns are fixed on the bottom surface of the shell, and the shell supporting columns separate the shell from the fireproof gasket at the bottom, so that a ventilation gap is formed between the bottom surface of the shell and the fireproof gasket at the bottom;

two cover body supporting columns are also fixed on the inner wall of the cover body, and the cover body supporting columns separate the cover body from the fireproof gasket at the top, so that a ventilation gap is formed between the inner wall of the cover body and the fireproof gasket at the top. The inner wall of the cover body at the bottom of the shell is separated from a ventilation gap through the four support columns, so that the heat dissipation inside the shell is facilitated, and the lithium battery is further prevented from causing spontaneous combustion due to high temperature.

The insulation protective layer and the fireproof heat insulation layer are fixed in a glue bonding mode.

The insulating protective layer and the fireproof heat-insulating layer can also be fixed by double faced adhesive tape. The mode of glue or double faced adhesive tape is adopted, so that the insulating protective layer and the fireproof heat-insulating layer can be firmly fixed, the process is simple and convenient, and the production cost is greatly reduced.

The insulation protective layer is made of highland barley paper layers made of highland barley paper or insulation protective layers made of other insulation materials. Insulation material such as highland barley paper can be fine separate fire prevention insulating layer and lithium cell group, avoids among the lithium cell group sulphuric acid leakage to get into the fire prevention insulating layer, avoids the short circuit.

The fireproof heat-insulating layer is made of asbestos materials. The asbestos material has high tensile strength, high flexibility, chemical and thermal erosion resistance and electrical insulation, and the fireproof heat-insulating layer made of the asbestos material also has the remarkable characteristics, so that the asbestos material can be well applied to the fireproof insulation of the lithium battery pack.

The fireproof heat-insulating layer can also be made of ceramic materials. The ceramic material also has the advantages of high insulation and corrosion resistance, and has the characteristics of remarkable heat insulation and high temperature resistance, and the fireproof heat-insulating layer made of the ceramic material can play a remarkable fireproof and heat-insulating role on the lithium battery pack.

The shell is made of flame-retardant materials.

The cover body is made of flame-retardant materials.

And the two shell supporting columns are made of flame-retardant materials.

And the two cover body supporting columns are made of flame-retardant materials. Made through above-mentioned flame retardant material the utility model discloses, can further realize the fire prevention function, avoid whole battery to catch fire and arouse bigger loss of property.

Has the advantages that: due to the adoption of the technical scheme, the utility model discloses both have apparent fire prevention effect, can protect lithium cell group again and avoid external damage, still have better radiating effect.

Drawings

Fig. 1 is an exploded view of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.

Referring to fig. 1, fire prevention type battery device, including open-topped casing 1, be equipped with lithium cell group 2 in the casing 1, be equipped with detachable lid 3 on the casing 1, the bottom surface and the top surface of casing 1 are equipped with fire prevention gasket 4 respectively, and fire prevention gasket 4 includes insulating protective layer 41, sets up fire prevention insulating layer 42 on insulating protective layer 41. The lithium battery pack 2 is located between two fire-resistant gaskets 4, and an insulating protective layer 41 separates a fire-resistant thermal insulation layer 42 from the lithium battery pack 2. As shown in fig. 1, the upper and lower fire-proof gaskets 4 are arranged oppositely, and the fire-proof heat-insulating layer 42 is located at the outer side. The utility model discloses set up two fire prevention gasket 4 in original casing 1, insulating protective layer 41 in the fire prevention gasket 4 separates fire prevention insulating layer 42 and lithium cell group 2, when preventing the sulphuric acid leakage in the lithium cell group 2, gets into fire prevention insulating layer 42, leads to electrically conductive short circuit problem. The fireproof heat insulation layer 42 can perform fireproof isolation when spontaneous combustion such as short circuit occurs inside the lithium battery pack 2 to cause combustion, and large-area fire is stopped, so that the fireproof function of the device is realized. The utility model discloses fine inside high temperature of prevention battery is on fire and is postponed to burn to the battery outside, avoids whole battery to be on fire to arouse bigger loss of property. In addition, when the lithium battery pack 2 is damaged by external force, the fireproof gasket 4 can be used as a buffer layer to protect the lithium battery pack 2 therein.

The periphery of casing 1 also is equipped with fire prevention gasket 4, and the fire prevention box body that the fire prevention gasket 4 of casing 1 periphery and the fixed formation of fire prevention gasket 4 of bottom are the same with casing 1 shape is equipped with the fire prevention lid that fire prevention gasket 4 formed above the fire prevention box body, and lithium cell group 2 is located the fire prevention box body. The lithium battery pack 2 is conveniently protected and isolated in an all-round manner.

Two shell supporting columns 11 are fixed on the bottom surface of the shell 1, and the shell supporting columns 11 separate the shell 1 from the fireproof gasket 4 at the bottom, so that a ventilation gap is formed between the bottom surface of the shell 1 and the fireproof gasket 4 at the bottom; also be fixed with two lid support columns 31 on the inner wall of lid 3, lid support column 31 separates lid 3 and the fire prevention gasket 4 at top, causes to have the ventilation clearance between lid 3 inner wall and the fire prevention gasket 4 at top. The two housing support columns 11 can be arranged and fixed on the bottom surface of the housing 1 in a horizontal or vertical manner, and the two cover support columns 31 can be arranged and fixed on the bottom surface of the housing 1 in a horizontal or vertical manner. The casing 1 and the cover 3 may be made of the same material, and the casing support column 11 and the cover support column 31 may be made of the same material as the casing 1 and the cover 3. If the shell 1, the shell support columns 11, the cover 3 and the cover support columns 31 can be made of plastics, the shell 1 and the shell support columns 11 are integrally manufactured at the time of manufacture, and the cover 3 and the cover support columns 31 are integrally manufactured at the time of manufacture. The casing supporting column 11 and the cover supporting column 31 may also be made of a buffering material, such as a buffering supporting column made of sponge, rubber, etc., at this time, the casing supporting column 11 is fixed on the bottom surface of the casing 1 through glue or double-sided tape, and the cover supporting column 31 is fixed on the inner wall of the cover 3 through glue or double-sided tape. Separate out ventilation gap through four support columns with 3 inner walls of casing 1 bottom lid to the inside heat dissipation of casing 1 further prevents that the lithium cell from leading high temperature and arousing spontaneous combustion.

The insulating protective layer 41 and the fireproof heat-insulating layer 42 are fixed by adopting a glue bonding mode. The insulating protective layer 41 and the fireproof heat insulation layer 42 can also be fixed by double-sided adhesive tape. By adopting glue or double-sided adhesive, the insulating protective layer 41 and the fireproof heat-insulating layer 42 can be firmly fixed, the process is simple and convenient, and the production cost is greatly reduced.

The insulation protection layer 41 is made of highland barley paper layer made of highland barley paper or insulation protection layer made of other insulation materials. Insulation material such as highland barley paper can be fine separate fire prevention insulating layer and lithium cell group, avoids among the lithium cell group sulphuric acid leakage to get into the fire prevention insulating layer, avoids the short circuit.

The fireproof heat-insulating layer 42 is made of asbestos materials. The asbestos material has high tensile strength, high flexibility, chemical and thermal erosion resistance and electrical insulation, and the fireproof heat-insulating layer 42 made of the asbestos material also has the remarkable characteristics, and can be well applied to the fireproof insulation of the lithium battery pack 2. The fireproof heat insulation layer 42 can also be made of ceramic material, such as ceramic fireproof heat insulation layer 42. The ceramic material also has the advantages of high insulation and corrosion resistance, and has the characteristics of remarkable heat insulation and high temperature resistance, and the fireproof heat-insulating layer 42 made of the ceramic material can play a remarkable fireproof and heat-insulating role for the lithium battery pack 2.

The casing 1 is made of flame-retardant material. The cover body 3 is a flame-retardant cover body made of flame-retardant materials. The two shell supporting columns 11 are made of flame-retardant materials. The two cover body support columns 31 are made of flame-retardant materials. Made through above-mentioned flame retardant material the utility model discloses, can further realize the fire prevention function, avoid whole battery to catch fire and arouse bigger loss of property.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The fireproof storage battery device is characterized in that fireproof gaskets are respectively arranged on the bottom surface and the top surface of the shell, and each fireproof gasket comprises an insulating protective layer and a fireproof heat insulation layer arranged on the insulating protective layer;

2. The fireproof battery device according to claim 1, wherein the casing is also provided with fireproof gaskets at the periphery, the fireproof gaskets at the periphery and the bottom of the casing are fixed to form a fireproof box body with the same shape as the casing, a fireproof cover formed by the fireproof gaskets is arranged above the fireproof box body, and the lithium battery pack is located in the fireproof box body.

3. The flameproof battery device of claim 1 or 2, characterized in that two casing support posts are fixed to the casing bottom surface, which separate the casing from the bottom fire gasket so that there is a ventilation gap between the casing bottom surface and the bottom fire gasket;

two cover body supporting columns are also fixed on the inner wall of the cover body, and the cover body supporting columns separate the cover body from the fireproof gasket at the top, so that a ventilation gap is formed between the inner wall of the cover body and the fireproof gasket at the top.

4. The fire-resistant storage battery device according to claim 1, wherein the insulating protective layer and the fire-resistant and heat-insulating layer are fixed by means of glue bonding.

5. The fire-resistant storage battery device according to claim 1, wherein the insulating protective layer and the fire-resistant insulating layer are fixed by a double-sided adhesive tape.

6. The fire-resistant storage battery device according to claim 1, wherein the insulation protection layer is a highland barley paper layer made of highland barley paper.

7. The flameproof battery device according to claim 1, wherein the flameproof and insulating layer is made of asbestos material.

8. The fire-resistant storage battery device according to claim 1, wherein the fire-resistant and heat-insulating layer is made of a ceramic material.

9. The firesafe storage battery apparatus according to claim 1, wherein the casing is a fire-retardant casing made of a fire-retardant material;

the cover body is made of flame-retardant materials.

10. The firesafe storage battery apparatus according to claim 3, wherein the two casing support columns are made of flame-retardant casing support columns made of flame-retardant materials;

and the two cover body supporting columns are made of flame-retardant materials.