CN211182305U - Lithium battery with high safety performance - Google Patents

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

A lithium battery with high safety performance

technical field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery with high safety performance.

Background technique

Lithium battery is a kind of battery that uses lithium metal or lithium alloy as negative electrode material and uses non-aqueous electrolyte solution. It can be roughly divided into two categories, lithium metal battery and lithium ion battery. Lithium ion battery does not contain lithium in metallic state, and It is rechargeable. The fifth-generation product of rechargeable batteries, lithium metal batteries, was born in 1996. Its safety, specific capacity, self-discharge rate and performance-to-price ratio are superior to lithium-ion batteries.

The existing lithium battery protection device has no flame retardant effect and poor heat dissipation effect, thereby affecting the use safety of the lithium battery, and it is likely to cause fire due to excessive temperature during use and charging.

Utility model content

The purpose of the utility model is to solve the shortcomings of the existing lithium battery protection device that the flame retardant effect and heat dissipation effect are extremely poor in the prior art, and propose a lithium battery with high safety performance.

In order to achieve the above purpose, the present invention adopts the following technical solutions: a lithium battery with high safety performance, comprising a protective box, the inner energy of the protective box is provided with a silica gel flame retardant layer, and a baffle plate is arranged inside the protective box , and the left and right ends of the outer side of the baffle are provided with limit blocks, the upper outer side of the baffle is provided with a lithium battery body, the outer side of the baffle is provided with a spring, and the inner left and right ends of the protective box are A slide rail is provided, and a pulley is provided inside the slide rail, a heat dissipation box is provided below the spring, and a fan is installed inside the heat dissipation box, and ventilation holes are provided on the left and right ends of the outer side of the protective box. Dust nets are installed on the left and right ends of the outer side of the protective box, a fixing block is arranged on the lower side of the outer side of the protective box, a rotating shaft is arranged on the upper side of the outer side of the protective box, and a top cover is arranged on the outer side of the rotating shaft. A cooling fin is arranged under the outer side, and a cooling hole is arranged on the outer side of the cooling fin.

Preferably, the outer side of the silicone flame retardant layer is closely attached to the inner side of the protective box, and the inner width of the protective box is larger than the outer width of the silicone flame retardant layer.

Preferably, the outer top end of the spring and the outer bottom end of the baffle are welded, and the springs are arranged at equal intervals inside the protective box.

Preferably, the surface of the dustproof net and the surface of the protective box are both open-hole designs, and the width of the dustproof net is the same as the width of the protective box.

Preferably, the heat dissipation box is slidably connected to the protective box through a slide rail, and the pulleys are distributed at equal intervals inside the slide rail.

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

Preferably, the heat dissipation holes are arranged at equal intervals on the outer side of the heat dissipation fins, and the inner parts of the heat dissipation holes are arranged in a grid shape.

The beneficial effects of the present utility model are:

1. The lithium battery with high safety performance is provided with a silicone flame retardant layer, so that the lithium battery body can effectively prevent the lithium battery body from catching fire, so that the fire spreads rapidly and leads to the occurrence of fire, which improves people's personal safety and reduces the cost of fire. Economic losses;

2. The lithium battery with high safety performance is provided with slide rails and a heat dissipation box. During daily maintenance, we can slide the heat dissipation box out of the protective box through the slide rails and pulleys, and maintain and replace the fans inside the heat dissipation box. , reducing the working time of maintenance personnel and improving work efficiency;

3. The lithium battery with high safety performance. There are heat sinks and heat dissipation holes. When the lithium battery body is running, the high temperature generated by the operation of the internal lithium battery body can be discharged from the inside of the protective box through the heat dissipation holes, which achieves a good heat dissipation effect and prevents dust from the outside air. Enter the inside of the protective case through the cooling holes.

Description of drawings

1 is a schematic structural diagram of a lithium battery with high safety performance proposed by the utility model;

2 is a schematic front view of a lithium battery with high safety performance proposed by the utility model;

3 is a schematic view of the bottom view of a lithium battery with high safety performance proposed by the utility model;

FIG. 4 is a schematic top-view structural diagram of a lithium battery with high safety performance proposed by the present invention.

In the picture: 1 protective box, 2 silicone flame retardant layer, 3 baffle plate, 4 limit block, 5 lithium battery body, 6 spring, 7 slide rail, 8 pulley, 9 cooling box, 10 fan, 11 ventilation hole, 12 anti-proof Dust net, 13 fixing blocks, 14 rotating shafts, 15 top covers, 16 cooling fins, 17 cooling holes.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Referring to Figures 1-4, a lithium battery with high safety performance includes a protective case 1, the interior of the protective case 1 is provided with a silicone flame retardant layer 2, the interior of the protective case 1 is provided with a baffle 3, and the outer side of the baffle 3 The upper left and right ends are provided with limit blocks 4, the upper outer side of the baffle 3 is provided with a lithium battery body 5, the outer side of the baffle 3 is provided with a spring 6, and the inner left and right ends of the protective box 1 are provided with slide rails 7. And a pulley 8 is arranged inside the slide rail 7, a cooling box 9 is arranged below the spring 6, and a fan 10 is installed inside the cooling box 9, and ventilation holes 11 are arranged on the left and right ends of the outer side of the protective box 1. The protective box 1 There are dustproof nets 12 installed on the left and right ends of the outer side of the protective box 1, a fixing block 13 is arranged on the lower side of the outer side of the protective box 1, a rotating shaft 14 is arranged on the upper side of the outer side of the protective box 1, and a top cover 15 is arranged on the outer side of the rotating shaft 14. The protective box 1 A heat dissipation fin 16 is provided below the outer side, and a heat dissipation hole 17 is provided on the outer side of the heat dissipation fin 16 .

Further, the outer side of the silicone flame retardant layer 2 is closely attached to the inner side of the protective box 1, and the inner width of the protective box 1 is larger than the outer width of the silicone flame retardant layer 2, so that the lithium battery body can effectively prevent the lithium battery body from catching fire. , the rapid spread of fire leads to the occurrence of fire, which improves people's personal safety and reduces economic losses.

Further, the outer top end of the spring 6 and the outer bottom end of the baffle 3 are welded, and the springs 6 are arranged at equal intervals inside the protective box 1, so that the lithium battery body 5 is placed into the protective box 1 during installation. The inside has the effect of buffering and shock absorption, which will not cause damage to the lithium battery body 5 and prolong the service life of the lithium battery body 5 .

Further, the surface of the dust-proof net 12 and the surface of the protective box 1 are both open-hole design, and the width of the dust-proof net 12 is the same as the width of the protective box 1, which can ensure that the ventilation holes 11 are not ventilated and dissipated during heat dissipation. The dust in the outside air will enter the interior of the protective box 1 through the ventilation holes 11 .

Further, the cooling box 9 is slidably connected to the protective box 1 through the sliding rail 7, and the pulleys 8 are distributed at equal intervals inside the sliding rail 7. During daily maintenance, we can slide the cooling box out of the protective box through the sliding rail and the pulley. The inside of the cooling box is maintained and replaced, which reduces the working time of maintenance personnel and improves work efficiency.

Further, the top cover 15 is rotatably connected to the protective box 1 through the rotating shaft 14, and the outer side of the top cover 15 is closely attached to the inner side of the protective box 1, so that the lithium battery body 5 can play a protective effect after the installation is completed, and will not The lithium battery body 5 is damaged due to the accidental dropping of foreign objects and hitting the lithium battery body 5 .

Further, the heat dissipation holes 17 are arranged at equal intervals on the outer side of the heat dissipation fins 16, and the inner part of the heat dissipation holes 17 is arranged in a grid shape, with heat dissipation fins and heat dissipation holes. The high temperature generated by the operation of the body can be discharged from the inside of the protective box from the heat dissipation hole, which has a good heat dissipation effect and also prevents dust from the outside air from entering the interior of the protective box from the heat dissipation hole.

In this embodiment, when using the lithium battery with high safety performance, we first move the device to the position where it needs to be installed, then install the protective box 1, then open the top cover 15 through the rotating shaft 14, and then install the lithium The battery body 5 is placed on the baffle 3 inside the protective box 1, and then we connect the connectors of the lithium battery body 5, and then pass the connected wire through the wiring port out of the top cover 15, and put it outside the protective box 1, Then we slide the heat dissipation box 9 out of the protective box 1 through the pulley 8 inside the slide rail 7, and then install the fan 10 inside the heat dissipation box 9, and then put the fan 10 already installed in the heat dissipation box 9, and then slide The pulley 8 inside the rail 7 slides the heat dissipation box 10 into the interior of the protective box 1, then connects the external power supply through the wire head, and turns on the switch of the lithium battery body 5. At this time, the lithium battery body 5 starts to run, and then the external power supply is turned on. Turn on the switch of the fan 10, and the fan 10 starts to rotate at this time, thus completing the use process of the lithium battery with high safety performance, wherein the model of the fan 10 is MH902R, and the electrical technology involved in this utility model is the prior art .

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (7)

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.

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