CN211182305U

CN211182305U - Lithium battery with high safety performance

Info

Publication number: CN211182305U
Application number: CN201922314747.5U
Authority: CN
Inventors: 龙希罕
Original assignee: Guangdong Bolong Energy Technology Co ltd
Current assignee: Guangdong Bolong Energy Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-04
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery with high safety performance, which solves the defects that the prior art has no flame-retardant effect when using a lithium battery body and has poor heat dissipation effect when the lithium battery body operates, so that the lithium battery with high safety performance has poor use effect, and comprises a protective box, wherein the protective box is internally provided with a silica gel flame-retardant layer, the protective box is internally provided with a baffle, the left end and the right end above the outer side of the baffle are both provided with limit blocks, the lithium battery body is arranged above the outer side of the baffle, the spring is arranged below the outer side of the baffle, the left end and the right end of the inner part of the protective box are both provided with slide rails, the slide rails are internally provided with pulleys, the heat dissipation box is arranged below the spring, the fan is arranged inside the heat dissipation box, and the, dust screens are installed at the left end and the right end of the outer side of the protection box.

Description

Lithium battery with high safety performance

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell that security performance is high.

Background

Lithium batteries are batteries which use lithium metal or lithium alloy as a negative electrode material and use non-aqueous electrolyte solution and can be roughly divided into two types, namely lithium metal batteries and lithium ion batteries, wherein the lithium ion batteries do not contain metallic lithium and can be charged, and the fifth generation product of rechargeable batteries, namely the lithium metal batteries, is born in 1996, and the safety, the specific capacity, the self-discharge rate and the cost performance of the rechargeable batteries are superior to those of the lithium ion batteries.

The existing lithium battery protection device does not have a flame retardant effect and is poor in heat dissipation effect, so that the use safety of the lithium battery is influenced, and the fire is likely to be caused due to overhigh temperature in use and charging.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has current lithium cell protector flame retardant efficiency and radiating effect among the prior art extremely poor, and the lithium cell that a security performance is high that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lithium battery with high safety performance comprises a protective box, wherein a silica gel flame-retardant layer is arranged in the protective box, a baffle is arranged in the protective box, limiting blocks are arranged at the left end and the right end above the outer side of the baffle, a lithium battery body is arranged above the outer side of the baffle, a spring is arranged below the outer side of the baffle, slide rails are arranged at the left end and the right end inside the protective box, pulleys are arranged inside the slide rails, a heat dissipation box is arranged below the spring, a fan is arranged inside the heat dissipation box, ventilation holes are formed in the left end and the right end outside the protective box, dust screens are arranged at the left end and the right end outside the protective box, a fixed block is arranged below the outer side of the protective box, a rotating shaft is arranged above the outer side of the protective box, a top cover is arranged outside the rotating shaft, and cooling fins are, and the outer side of the radiating fin is provided with a radiating hole.

Preferably, the outside on fire-retardant layer of silica gel closely laminates with the inboard of protective housing, and the inboard width of protective housing is greater than the outside width of fire-retardant layer of silica gel.

Preferably, for the welding between the outside top of spring and the outside bottom of baffle, and the spring is equidistant setting in the inside of guard box.

Preferably, the surface of the dust screen and the surface of the protective box are both in open-hole design, and the width of the dust screen is the same as that of the protective box.

Preferably, the heat dissipation box is connected with the protection box in a sliding mode through a sliding rail, and the pulleys are distributed in the sliding rail at equal intervals.

Preferably, the top cover is rotatably connected with the protective box through a rotating shaft, and the outer side of the top cover is tightly attached to the inner side of the protective box.

Preferably, the radiating holes are arranged at equal intervals on the outer side of the radiating fin, and the upper part inside the radiating holes is arranged in a grid shape.

The utility model has the advantages that:

1. the lithium battery has high safety performance; the lithium battery body is effectively prevented from being ignited due to the arrangement of the silica gel flame-retardant layer, so that fire caused by rapid spread of fire is rapidly caused, the personal safety of people is improved, and the economic loss is reduced;

2. the lithium battery has high safety performance; the heat dissipation box can slide out of the protection box through the sliding rail and the pulley in daily maintenance, and a fan in the heat dissipation box is maintained and replaced, so that the working time of maintenance personnel is reduced, and the working efficiency is improved;

3. the lithium battery has high safety performance. Be provided with fin and louvre, when lithium cell body is moving, make the high temperature that inside lithium cell body operation produced, can follow the inside of louvre discharge protective housing, played the good purpose of radiating effect, also prevent simultaneously that the dust of outside air from the inside that the louvre got into the protective housing.

Drawings

Fig. 1 is a schematic structural diagram of a lithium battery with high safety performance provided by the present invention;

fig. 2 is a schematic front view of a lithium battery with high safety performance according to the present invention;

fig. 3 is a schematic view of a lithium battery with high safety performance in a bottom view;

fig. 4 is a schematic view of a top view structure of a lithium battery with high safety performance provided by the present invention.

In the figure: 1 protective housing, 2 fire-retardant layers of silica gel, 3 baffles, 4 stopper, 5 lithium cell body, 6 springs, 7 slide rails, 8 pulleys, 9 heat dissipation boxes, 10 fans, 11 ventilation holes, 12 dust screens, 13 fixed blocks, 14 pivots, 15 top covers, 16 fin, 17 louvres.

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.

Referring to fig. 1-4, a lithium battery with high safety performance comprises a protective box 1, a silica gel flame-retardant layer 2 is arranged in the protective box 1, a baffle 3 is arranged in the protective box 1, limiting blocks 4 are arranged at the left end and the right end above the outer side of the baffle 3, a lithium battery body 5 is arranged above the outer side of the baffle 3, a spring 6 is arranged below the outer side of the baffle 3, slide rails 7 are arranged at the left end and the right end inside the protective box 1, pulleys 8 are arranged inside the slide rails 7, a heat dissipation box 9 is arranged below the spring 6, a fan 10 is arranged inside the heat dissipation box 9, vent holes 11 are arranged at the left end and the right end outside the protective box 1, dust screens 12 are arranged at the left end and the right end outside the protective box 1, a fixing block 13 is arranged below the outer side of the protective box 1, a rotating shaft 14 is arranged above the outer side of the, a heat radiating fin 16 is arranged below the outer side of the protective box 1, and a heat radiating hole 17 is arranged on the outer side of the heat radiating fin 16.

Further, the outside on the fire-retardant layer of silica gel 2 closely laminates with the inboard of protective housing 1, and the inboard width of protective housing 1 is greater than the fire-retardant layer of silica gel 2 outside width, makes lithium cell body in effectual the getting on fire that has prevented lithium cell body, makes the intensity of a fire spread rapidly and leads to the emergence of conflagration, has improved people's personal safety and has reduced economic loss.

Further, for the welding between the outside top of spring 6 and the outside bottom of baffle 3, and spring 6 is equidistant setting in the inside of protecting box 1, plays buffering shock attenuation effect with the inside that lithium cell 5 put into protecting box 1 when the installation like this, can not cause the damage to lithium cell 5, has prolonged lithium cell 5's life.

Further, the surface of dust screen 12 and the surface of protective box 1 are trompil formula design, and the width of dust screen 12 is the same with the width of protective box 1, can ensure ventilation hole 11 like this, when ventilating the heat dissipation, can not make the dust in the outside air pass through ventilation hole 11 and get into the inside of protective box 1.

Further, the heat dissipation box 9 is connected with the protection box 1 in a sliding mode through the sliding rail 7, the pulleys 8 are distributed in the sliding rail 7 at equal intervals, the heat dissipation box can slide out of the protection box through the sliding rail and the pulleys in daily maintenance, the fan inside the heat dissipation box is maintained and replaced, the working time of maintenance personnel is shortened, and the working efficiency is improved.

Further, top cap 15 is through

pivot

14 and 1 swivelling joint of guard box, and the outside of top cap 15 closely laminates with the inboard of guard box 1, can make lithium cell body 5 play the safeguard effect after the installation is accomplished like this, can not drop because of the foreign object accident and pound lithium cell body 5 and make lithium cell body 5 damage.

Further, louvre 17 is equidistant setting in the outside of fin 16, and louvre 17's inside top is arranged for latticed, is provided with fin and louvre, and when lithium cell body was in the operation, the high temperature that makes inside lithium cell body operation produce can follow the inside of louvre discharge protective housing, has played the good mesh of radiating effect, also prevents simultaneously that the dust of outside air from the inside that the louvre got into the protective housing.

In this embodiment, when the lithium battery with high safety performance is used, the device is moved to a position to be installed, the protection box 1 is installed, the top cover 15 is opened through the rotating shaft 14, the lithium battery body 5 is placed on the baffle 3 inside the protection box 1, then the joint of the lithium battery body 5 is connected, the connected wire end penetrates out of the top cover 15 through the wiring port and is placed outside the protection box 1, then the heat dissipation box 9 is slid out of the protection box 1 through the pulley 8 inside the sliding rail 7, the fan 10 is installed inside the heat dissipation box 9, then the fan 10 installed inside the heat dissipation box 9 is slid into the protection box 1 through the pulley 8 inside the sliding rail 7, then an external power supply is connected through the wire end, and the switch of the lithium battery body 5 is turned on, lithium cell body 5 begins to operate this moment, switches on external power supply again, opens fan 10's switch, and fan 10 begins rotatory operation this moment, has just so accomplished the use of this lithium cell that the security performance is high, and wherein the fan 10 model is MH902R, the utility model relates to an electrical property technique is prior art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The lithium battery with high safety performance comprises a protective box (1) and is characterized in that a silica gel flame-retardant layer (2) is arranged in the protective box (1), a baffle (3) is arranged inside the protective box (1), limiting blocks (4) are arranged at the left end and the right end of the outer side of the baffle (3), a lithium battery body (5) is arranged above the outer side of the baffle (3), a spring (6) is arranged below the outer side of the baffle (3), sliding rails (7) are arranged at the left end and the right end of the inner side of the protective box (1), pulleys (8) are arranged inside the sliding rails (7), a heat dissipation box (9) is arranged below the spring (6), a fan (10) is arranged inside the heat dissipation box (9), ventilation holes (11) are arranged at the left end and the right end of the outer side of the protective box (1), a dustproof net (12) is arranged at the left end and the right end of the outer side of, the protective box is characterized in that a fixed block (13) is arranged below the outer side of the protective box (1), a rotating shaft (14) is arranged above the outer side of the protective box (1), a top cover (15) is arranged on the outer side of the rotating shaft (14), radiating fins (16) are arranged below the outer side of the protective box (1), and radiating holes (17) are formed in the outer side of the radiating fins (16).

2. The lithium battery with high safety performance as claimed in claim 1, wherein the outer side of the silica gel flame retardant layer (2) is tightly attached to the inner side of the protective box (1), and the inner width of the protective box (1) is greater than the outer width of the silica gel flame retardant layer (2).

3. The lithium battery with high safety performance as claimed in claim 1, wherein the top end of the outer side of the spring (6) and the bottom end of the outer side of the baffle (3) are welded, and the spring (6) is arranged in the protection box (1) at equal intervals.

4. The lithium battery with high safety performance as claimed in claim 1, characterized in that the surface of the dust screen (12) and the surface of the protective box (1) are both open-cell design, and the width of the dust screen (12) is the same as the width of the protective box (1).

5. The lithium battery with high safety performance as claimed in claim 1, wherein the heat dissipation box (9) is connected with the protection box (1) in a sliding manner through a sliding rail (7), and the pulleys (8) are distributed in the sliding rail (7) at equal intervals.

6. The lithium battery with high safety performance as claimed in claim 1, wherein the top cover (15) is rotatably connected with the protective box (1) through a rotating shaft (14), and the outer side of the top cover (15) is tightly attached to the inner side of the protective box (1).

7. The lithium battery with high safety performance as claimed in claim 1, wherein the heat dissipation holes (17) are arranged at equal intervals outside the heat dissipation plate (16), and the heat dissipation holes (17) are arranged in a grid shape above the inside.