CN213278267U

CN213278267U - Fire-proof equipment suitable for lithium cell

Info

Publication number: CN213278267U
Application number: CN202022312412.2U
Authority: CN
Inventors: 侯涛; 田如雄
Original assignee: Guizhou Xingli New Energy Technology Co ltd
Current assignee: Guizhou Xingli New Energy Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-05-25
Anticipated expiration: 2030-10-16

Abstract

The utility model relates to the technical field of lithium batteries, in particular to a fireproof device suitable for a lithium battery, which comprises a device main body, wherein the top of the device main body is movably connected with a fireproof cover, one side of the top of the fireproof cover is fixedly provided with an alarm lamp, the upper part inside the device main body is fixedly connected with a mounting box, the inside of the mounting box is rotatably connected with a receiving shaft, the fireproof device suitable for the lithium battery is provided with the mounting box, a fireproof curtain plate, a safety plate and a touch sensor, when the device main body is invaded by the external high-temperature environment, the safety plate is disconnected by the effect of lower melting point of the safety plate, so that the bottom of the fireproof curtain plate is not fixed any more, the receiving shaft is rotated downwards, the fireproof curtain plate is dropped downwards, the bottom of the fireproof curtain plate is contacted with the touch sensor, the touch sensor is started, the alarm lamp is lightened by the processing of a single chip microcomputer, the effect of obstructing the external influence of the battery is achieved.

Description

Fire-proof equipment suitable for lithium cell

Technical Field

The utility model relates to a lithium cell technical field specifically is a fire-proof equipment suitable for lithium cell.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium metal is processed, stored and used. With the development of scientific technology, lithium batteries have become mainstream, and the lithium batteries can be roughly divided into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirements, only a few countries of companies are producing such lithium metal electricity.

But current lithium cell is when storing because generally adopt the box to collect, and box equipment only retrains the lithium cell usually when placing the lithium cell, can not accomplish the protection to the battery, and when the external world produced the high temperature conflagration, high temperature influences the storage of battery, leads to the damage of the inside battery of equipment, and simultaneously when the battery was accomodate, because external high temperature influences, the battery can expand gradually, causes the danger of explosion easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-proof equipment suitable for lithium cell to the damage that leads to the inside battery of equipment that proposes among the above-mentioned background art is solved, and the battery can expand gradually, causes the dangerous problem of explosion easily.

In order to achieve the above object, the utility model provides a following technical scheme: a fireproof device suitable for a lithium battery comprises a device main body, wherein a fireproof cover is movably connected to the top of the device main body, an alarm lamp is fixedly mounted on one side of the top of the fireproof cover, a mounting box is fixedly connected to the upper portion inside the device main body, a receiving shaft is rotatably connected to the inside of the mounting box, a fireproof curtain plate is fixedly connected to the top of the receiving shaft, a safety plate is fixedly connected to the bottom of the fireproof curtain plate, an air bag is fixedly connected to the middle inside of the device main body, a barrier film is fixedly connected to the bottom of the air bag, a mounting plate is fixedly connected to the bottom of the barrier film, a plurality of sliding grooves are formed in the mounting plate, a sliding block is slidably connected to the inside of the sliding grooves, a touch nail is fixedly connected to one side of the sliding block, a safety plate and a, the inside below fixed mounting of equipment main part has check barrier layer, the bottom fixed mounting on check barrier layer has the singlechip, the top on check barrier layer fixed mounting has baffler and first flame retardant coating respectively, one side fixedly connected with second flame retardant coating of first flame retardant coating.

Preferably, the blocking plate is provided with a plurality of, and a plurality of the blocking plate is arranged in the equipment main body in an equidistant state.

Preferably, the bottom of the fire curtain board and the top of the touch sensor are both provided with magnetic stripes.

Preferably, the mounting boxes are two, and the two mounting boxes are distributed in the central axis of the equipment main body in a mirror image mode.

Preferably, the inside of the airbag is filled with an inert gas.

Preferably, the fireproof cover is connected with the equipment body through a rotating shaft.

Preferably, the safety plate is made of low-temperature melting point plastic.

Preferably, the fireproof curtain board is formed by combining an inorganic composite curtain cloth and a metal strip material.

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

1. the fireproof equipment suitable for the lithium battery is provided with a mounting box, a fireproof curtain plate, a safety plate and a touch sensor, when the equipment body is invaded by an external high-temperature environment, the safety plate is disconnected through the effect of lower melting point of the safety plate, the bottom of the fireproof curtain plate is not fixed any more, a containing shaft is rotated downwards, the fireproof curtain plate falls downwards, the bottom of the fireproof curtain plate is contacted with the touch sensor, the touch sensor is started, the outer surface of the fireproof curtain plate is composed of inorganic composite curtain cloth, the inner layer of the inorganic composite curtain cloth is composed of fireproof cloth, fireproof blanket and radiation-proof cloth in a fitting manner, the inside of the equipment can be blocked, the fire can be prevented from spreading from the outside, the inside of the equipment is prevented from being influenced by external temperature, the alarm lamp is lightened through the processing of a single chip microcomputer, the occurrence of high temperature of personnel is reminded, the fireproof curtain plate blocks the external environment, and the effect of blocking the external, the problem that the equipment can not protect the battery is solved.

2. This kind of fire-proof equipment suitable for lithium cell is provided with gasbag, barrier film, touching nail and spout, and when using, the battery expands rapidly, and the battery touches touching the touching nail, makes the slider of touching nail both sides remove in the spout, makes the touching nail upwards promote, stabs the barrier film, and inert gas in the gasbag sinks, inside the cover equipment main part, prevents that the battery from being burnt by oxygen, has reached the fire-retardant effect of protection battery, has solved the easy problem of exploding of battery high temperature.

Drawings

FIG. 1 is a schematic structural diagram of the main body of the apparatus of the present invention;

FIG. 2 is a schematic cross-sectional structure of the main body of the device of the present invention;

fig. 3 is an enlarged schematic view of the structure a of fig. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the mounting box of the present invention.

In the figure: 1. an apparatus main body; 2. a fire-resistant cover; 3. an alarm light; 4. a storage shaft; 5. a fire curtain plate; 6. a safety plate; 7. an air bag; 8. a barrier plate; 9. touching the sensor; 10. mounting a box; 11. a first fire resistant layer; 12. a second fire-resistant layer; 13. a single chip microcomputer; 14. touching the nail; 15. a barrier layer; 16. mounting a plate; 17. a barrier film; 18. a chute; 19. a slide block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a fireproof device suitable for a lithium battery comprises a device main body 1, a fireproof cover 2, an alarm lamp 3, a storage shaft 4, a fireproof curtain plate 5, a safety plate 6, an air bag 7, a baffle plate 8, a touch sensor 9, a mounting box 10, a first fireproof layer 11, a second fireproof layer 12, a single chip microcomputer 13, a touch nail 14, a grid layer 15, a mounting plate 16, a baffle film 17, a sliding chute 18 and a sliding block 19, wherein the top of the device main body 1 is movably connected with the fireproof cover 2, the alarm lamp 3 is fixedly mounted on one side of the top of the fireproof cover 2, the mounting box 10 is fixedly connected to the upper portion of the inside of the device main body 1, the storage shaft 4 is rotatably connected to the inside of the mounting box 10, the fireproof curtain plate 5 is fixedly connected to the top of the storage shaft 4, the safety plate 6 is fixedly connected to the top end of the fireproof curtain plate 5, the air bag 7 is fixedly connected to the middle of, bottom fixedly connected with mounting panel 16 of barrier film 17, a plurality of spouts 18 have been seted up inside mounting panel 16, the inside sliding connection of spout 18 has slider 19, one side fixedly connected with touching nail 14 of slider 19, there are safety shield 6 and touching inductor 9 in the inside both sides of equipment main part 1 fixed mounting respectively, there is check barrier layer 15 in the inside below fixed mounting of equipment main part 1, the bottom fixed mounting of check barrier layer 15 has singlechip 13, there are barrier plate 8 and first flame retardant coating 11 at the top of check barrier layer 15 fixed mounting respectively, one side fixedly connected with second flame retardant coating 12 of first flame retardant coating 11.

Further, the separation board 8 is provided with a plurality ofly, and a plurality of separation boards 8 are the equidistance state in the inside of equipment main part 1 and arrange, separate the battery, and the bottom of fire curtain board 5 all is provided with the magnetic stripe with the top of touching inductor 9, is that fire curtain board 5 can adsorb with touching inductor 9.

Further, the installation boxes 10 are arranged in two, the two installation boxes 10 are distributed in the central axis of the equipment main body 1 in a mirror image mode, the inner installation box is isolated from the outer ring, and inert gas is filled in the air bag 7 to prevent internal combustion.

Further, the fire-proof cover 2 is connected with the equipment main body 1 through a rotating shaft, so that the fire-proof cover 2 can be normally opened, the safety plate 6 is made of low-temperature melting point plastics, the safety plate 6 can be heated and melted, and the fire-proof curtain plate 5 is formed by combining inorganic composite curtain cloth and metal strip materials, so that the fire can be prevented from spreading and being conveniently stored.

The working principle is as follows: firstly, when the device body 1 is invaded by the external high-temperature environment, the safety board 6 is disconnected by the effect of lower melting point of the safety board 6, the bottom of the fireproof curtain board 5 is not fixed any more, the containing shaft 4 rotates downwards, the fireproof curtain board 5 drops downwards, the bottom of the fireproof curtain board 5 is contacted with the touch sensor 9, the touch sensor 9 is started, the alarm lamp 3 is lightened by the processing of the single chip microcomputer 13 to remind personnel of high temperature, the fireproof curtain board 5 blocks the external environment, the outer surface of the fireproof curtain board 5 is composed of inorganic composite curtain cloth, the inner layer of the inorganic composite curtain cloth is composed of fireproof cloth, fireproof blanket and radiation-proof cloth, the device can block the inside to prevent the fire from spreading from the outside, the inside of the device is prevented from being influenced by the external temperature, after the temperature reaches a certain temperature, the battery rapidly expands, the battery touches the nail touch 14, the sliders 19 on both sides of the contact pin 14 are moved in the slide grooves 18, and the contact pin 14 is pushed upward to pierce the barrier film 17, so that the inert gas in the airbag 7 sinks to cover the inside of the device main body 1, thereby preventing the battery from being burned by oxygen.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fire protection device suitable for a lithium battery, comprising a device body (1), characterized in that: the top swing joint of equipment main part (1) has fire prevention lid (2), top one side fixed mounting of fire prevention lid (2) has warning light (3), inside top fixedly connected with mounting box (10) of equipment main part (1), the inside of mounting box (10) is rotated and is connected with storage shaft (4), the top fixedly connected with fire curtain board (5) of storage shaft (4), the bottom fixedly connected with safety plate (6) of fire curtain board (5), fixedly connected with gasbag (7) in the middle of the inside of equipment main part (1), the bottom fixedly connected with barrier film (17) of gasbag (7), the bottom fixedly connected with mounting panel (16) of barrier film (17), a plurality of spouts (18) have been seted up to mounting panel (16) inside, the inside sliding connection of spout (18) has slider (19), one side fixedly connected with of slider (19) touches nail (14), the inside both sides difference fixed mounting of equipment main part (1) has insurance board (6) and touching inductor (9), the inside below fixed mounting of equipment main part (1) has check fender layer (15), the bottom fixed mounting of check fender layer (15) has singlechip (13), the top difference fixed mounting of check fender layer (15) has baffler (8) and first flame retardant coating (11), one side fixedly connected with second flame retardant coating (12) of first flame retardant coating (11).

2. A fire protection device for a lithium battery as claimed in claim 1, characterized in that: the blocking plate (8) is provided with a plurality of blocking plates (8) which are arranged in the equipment main body (1) in an equidistant state.

3. A fire protection device for a lithium battery as claimed in claim 1, characterized in that: and magnetic stripes are arranged at the bottom of the fireproof curtain plate (5) and the top of the touch sensor (9).

4. A fire protection device for a lithium battery as claimed in claim 1, characterized in that: the installation box (10) is provided with two, two installation box (10) are in the axis mirror image distribution of equipment main part (1).

5. A fire protection device for a lithium battery as claimed in claim 1, characterized in that: the interior of the airbag (7) is filled with an inert gas.

6. A fire protection device for a lithium battery as claimed in claim 1, characterized in that: the fireproof cover (2) is connected with the equipment main body (1) through a rotating shaft.

7. A fire protection device for a lithium battery as claimed in claim 1, characterized in that: the safety plate (6) is made of low-temperature melting point plastic.

8. A fire protection device for a lithium battery as claimed in claim 1, characterized in that: the fireproof curtain board (5) is formed by combining an inorganic composite curtain cloth and a metal strip material.