CN212810445U

CN212810445U - Fireproof lithium battery shell

Info

Publication number: CN212810445U
Application number: CN202021943435.7U
Authority: CN
Inventors: 郑美华
Original assignee: Hunan Laimei Electronic Technology Co ltd
Current assignee: Hunan Laimei Electronic Technology Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-03-26
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a fireproof lithium battery shell in the technical field of lithium batteries, which comprises an outer shell, an inner shell, a damping device, a cooling device, a sealing cover and a fireproof coating, wherein the inner shell is positioned in an inner cavity of the outer shell, the damping device is fixedly connected between the outer shell and the inner shell, the cooling device is adhered to the inner cavity wall of the outer shell and the top of the inner cavity of the sealing cover, the sealing cover is clamped at the top of the outer shell, the fireproof lithium battery shell can play a role of buffering and damping protection for a lithium battery in the inner shell when a vehicle generates vibration through the matching use of a telescopic column and an elastic piece, thereby ensuring that parts in the lithium battery can not loosen and fall off, the vehicle can run stably, and the inner layer and the outer layer of the lithium battery are protected through the cooling device and the fireproof, the possibility of deflagration can not appear in the lithium cell of ensureing to can guarantee that the people is not hurt, can not cause the loss of property.

Description

Fireproof lithium battery shell

Technical Field

The utility model relates to a lithium cell technical field specifically is a fire prevention lithium battery shell.

Background

Lithium batteries are 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.

When current lithium cell is used in the storage battery car, because the vibrations that produce when the vehicle rides can lead to lithium cell internals not hard up, cause the lithium cell to stop discharging, the vehicle stop work, and can produce a large amount of heat energy at the in-process that the lithium cell lasts to discharge, the possibility of spontaneous combustion can take place probably under high temperature weather, also can cause the burning of lithium cell because of external factor simultaneously, can cause the lithium cell to explode, cause personnel's injury and the loss of property, we have proposed a fire prevention lithium cell casing for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention lithium battery shell, when having proposed current lithium cell in solving above-mentioned background art and being used in the storage battery car, because the vibrations that produce when the vehicle is ridden can lead to the lithium cell internals not hard up, cause the lithium cell to stop discharging, vehicle stop work, and can produce a large amount of heat energy at the lithium cell in-process that continuously discharges, the possibility of spontaneous combustion can probably take place under high temperature weather, also can cause the burning of lithium cell because of external factor simultaneously, can cause the lithium cell to explode, cause the problem of personnel's injury and loss of property.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire prevention lithium battery shell, includes shell body, interior casing, damping device, heat sink, sealed lid and fire protection coating, interior casing is located the inner chamber of shell body, damping device fixed connection be in the shell body with between the interior casing, the heat sink bonds the inner chamber wall of shell body with the inner chamber top of sealed lid, sealed lid joint is in the top of shell body, fire protection coating wrap up in the shell body with the lateral wall of sealed lid, the department inlays in the middle of the preceding lateral wall of shell body has the power display, the lithium cell has been placed to the inner chamber of interior casing, the department opens flutedly in the middle of the top of sealed lid, the lateral wall rear side is rotated through the torsional spring pivot about the inner chamber of recess and is connected with the handle, open in the top left side of sealed lid has.

Preferably, the fixed blocks are welded at four corners of the left side wall and the right side wall of the outer shell, and the fixed blocks are V-shaped.

Preferably, the damping device comprises a telescopic rod and an elastic part, the elastic part is sleeved on the outer side wall of the telescopic rod, and the elastic part is a spring.

Preferably, the cooling device comprises a containing frame and polymer gel, and the polymer gel is filled in the inner cavity of the containing frame.

Preferably, the front side wall of the handle is provided with a handle hole, and the top of the charging slot is clamped with a dustproof cover.

Preferably, the fireproof coating is made of an aluminum oxide material.

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

1. according to the fireproof lithium battery shell, through the use of the damping device, in the process of riding a vehicle, through the matched use of the telescopic column and the elastic piece, when the vehicle vibrates, the lithium battery in the inner shell can be buffered, damped and protected, so that the possibility that parts in the lithium battery are loosened and fall off can be avoided, and the vehicle can run stably;

2. this fire prevention lithium battery case uses through heat sink and fire protection coating's cooperation, can prevent fires to the outside of lithium cell through fire protection coating, takes advantage of the polymer gel of putting the intussuseption of frame in through the heat sink, can absorb the heat that lithium cell self gived off, through the inside and outside two-layer protection of lithium cell, ensures that deflagration's probably can not appear in the lithium cell to can guarantee that the people is not hurt, can not cause the loss of property.

Drawings

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

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is a schematic view of the structure of the cooling device of the present invention.

In the figure: 100. an outer housing; 110. an electric quantity display; 120. a fixed block; 200. an inner housing; 210. a lithium battery; 300. a damping device; 310. a telescopic rod; 320. an elastic member; 400. a cooling device; 410. a containing frame; 420. high molecular gel; 500. a sealing cover; 510. a groove; 511. a torsion spring shaft; 520. a handle; 521. a handle hole; 530. a charging slot; 531. a dust cover; 600. and (3) a fireproof coating.

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.

The utility model provides a fireproof lithium battery shell, which has fireproof and damping functions, and please refer to fig. 1-3, and comprises an outer shell 100, an inner shell 200, a damping device 300, a cooling device 400, a sealing cover 500 and a fireproof coating 600;

referring to fig. 2, an electric quantity display 110 is embedded in the middle of the front side wall of the outer casing 100, the outer casing 100 is used for installing the inner casing 200, the shock absorbing device 300, the cooling device 400, the sealing cover 500 and the fireproof coating 600, and the electric quantity display 110 is used for observing the remaining electric quantity;

referring to fig. 2 again, a lithium battery 210 is disposed in the inner cavity of the inner housing 200, the inner housing 200 is disposed in the inner cavity of the outer housing 100, the inner housing 200 is used for disposing the lithium battery 210, and the lithium battery 210 is used for storing electric energy;

referring to fig. 2 again, the shock absorbing device 300 is fixedly connected between the outer casing 100 and the inner casing 200, and the shock absorbing device 300 is used for buffering and absorbing shock of the lithium battery 210;

referring to fig. 2-3, the cooling device 400 is adhered to the inner cavity wall of the outer casing 100 and the inner cavity top portion of the sealing cover 500 for cooling the lithium battery 210;

referring to fig. 1-2 again, a groove 510 is formed in the middle of the top of the sealing cover 500, a handle 520 is rotatably connected to the rear sides of the left and right side walls of the inner cavity of the groove 510 through a torsion spring rotating shaft 511, a charging slot 530 is formed in the left side of the top of the sealing cover 500, the sealing cover 500 is clamped to the top of the outer shell 100, the sealing cover 500 is used for sealing the outer shell 100, the groove 510 is used for hiding the handle 520, the torsion spring rotating shaft 511 is used for automatically resetting the handle 520, the handle 520 is used for lifting the outer shell 100, and the charging slot 530 is used;

referring again to fig. 1-2, a fire retardant coating 600 is coated on the outer sidewalls of the outer case 100 and the sealing cover 500, and the fire retardant coating 600 is used for fire protection of the exterior of the outer case 100.

Referring to fig. 1-2 again, in order to quickly mount the outer casing 100, fixing blocks 120 are welded at four corners of left and right sidewalls of the outer casing 100, and the fixing blocks 120 are V-shaped.

Referring to fig. 2 again, in order to perform the buffering, shock-absorbing and protecting functions on the lithium battery 210, the shock-absorbing device 300 includes a telescopic rod 310 and an elastic member 320, the elastic member 320 is sleeved on the outer side wall of the telescopic rod 310, and the elastic member 320 is a spring.

Referring to fig. 2-3 again, in order to cool the lithium battery 210, the cooling device 400 includes a containing frame 410 and a polymer gel 420, and the polymer gel 420 is filled in an inner cavity of the containing frame 410.

Referring to fig. 1-2 again, in order to facilitate pulling the handle 520, a handle hole 521 is formed on the front sidewall of the handle 520, and a dust cover 531 is fastened to the top of the charging slot 530 to prevent foreign matters from entering the charging slot 530.

Referring again to fig. 1-2, for optimal fire protection, the fire-resistant coating 600 is made of an aluminum oxide material.

When the lithium battery 210 is used, the temperature reduction device 400 is mounted on the inner cavity wall of the outer shell 100, the inner shell 200 is placed in the inner cavity of the outer shell 100, the lithium battery 210 is placed in the inner cavity of the inner shell 200, the sealing cover 500 is clamped on the top of the outer shell 100, the outer shell 100 is lifted to a battery car through the handle hole 521 by pulling out the handle 520 in the groove 510, the outer shell 100 is clamped to the battery car for fixing through the fixing block 120 on the outer shell 100, the telescopic rod 310 and the elastic piece 320 on the damping device 300 are matched for use in the process of riding the vehicle, when the vehicle vibrates, the lithium battery 210 in the inner shell 200 can be buffered and damped, when the weather is hot, the lithium battery 210 continuously discharges, the temperature inside the lithium battery 210 is too high, hold polymer gel 420 of the intussuseption of frame 410 in through heat sink 400, can absorb the heat that lithium cell 210 self gived off, can prevent fires lithium cell 210's outside through fire protection coating 600, through the inside and outside two-layer protection of lithium cell 210, ensure that deflagration's probably can not appear in lithium cell 210.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A fire resistance lithium battery case which characterized in that: including shell body (100), interior casing (200), damping device (300), heat sink (400), sealed lid (500) and fire prevention coating (600), interior casing (200) is located the inner chamber of shell body (100), damping device (300) fixed connection be in shell body (100) with between interior casing (200), heat sink (400) bond in the inner chamber wall of shell body (100) with the inner chamber top of sealed lid (500), sealed lid (500) joint is in the top of shell body (100), fire prevention coating (600) parcel in shell body (100) with the lateral wall of sealed lid (500), the department inlays in the middle of the preceding lateral wall of shell body (100) has electric quantity display (110), lithium cell (210) have been placed to the inner chamber of interior casing (200), department in the middle of the top of sealed lid (500) opens recess (510), the rear sides of the left side wall and the right side wall of the inner cavity of the groove (510) are rotatably connected with a handle (520) through a torsion spring rotating shaft (511), and a charging slot (530) is formed in the left side of the top of the sealing cover (500).

2. The fire resistant lithium battery case of claim 1, wherein: the welding of lateral wall four corners department has fixed block (120) about shell body (100), the shape of fixed block (120) is the V-arrangement.

3. The fire resistant lithium battery case of claim 1, wherein: the shock absorption device (300) comprises a telescopic rod (310) and an elastic piece (320), wherein the elastic piece (320) is sleeved on the outer side wall of the telescopic rod (310), and the elastic piece (320) is a spring.

4. The fire resistant lithium battery case of claim 1, wherein: the cooling device (400) comprises a containing frame (410) and polymer gel (420), wherein the polymer gel (420) is filled in an inner cavity of the containing frame (410).

5. The fire resistant lithium battery case of claim 1, wherein: the front side wall of the handle (520) is provided with a handle hole (521), and the top of the charging slot (530) is clamped with a dustproof cover (531).

6. The fire resistant lithium battery case of claim 1, wherein: the fireproof coating (600) is made of an aluminum oxide material.