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Lithium ion battery safe storage box with fire blast product automatic collecting device

A lithium-ion battery and automatic collection technology, applied in the field of safety engineering, can solve problems such as adverse effects of toxic and harmful gases on the environment, and achieve the effects of reducing the risk of personnel poisoning, preventing flue gas leakage, and simple operation

Pending Publication Date: 2019-03-26
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the toxic and harmful gas produced by the explosion accident in the transportation and storage of lithium batteries in the prior art has adverse effects on the environment. The present invention provides a lithium ion battery with an automatic collection device for combustion and explosion products. Battery Safe Storage Box

Method used

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  • Lithium ion battery safe storage box with fire blast product automatic collecting device
  • Lithium ion battery safe storage box with fire blast product automatic collecting device

Examples

Experimental program
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Effect test

Embodiment 1

[0032] When in use, when the lithium battery safety storage box is in a closed state, the state of the lithium battery in the box is stable, and the detection device maintains a monitoring state. Once the internal lithium battery heats up rapidly or leaks smoke or even an open flame, the fire detector will send out an action signal. After receiving the detector signal, the control unit outputs an action signal to the miniature vacuum pump to pump the flammable and explosive gas and toxic and harmful smoke generated by the lithium battery into the gas storage bottle, and at the same time activate the sound and light alarm to warn the outside personnel. There is a gas one-way check valve on the road to prevent the leakage of flue gas. A flame arrester at the end of the line prevents the cylinder from detonating. The static conductive paint inside the box can effectively prevent explosions caused by static electricity. When the internal pressure of the box increases rapidly to t...

Embodiment 2

[0035] The workflow of the present invention is as figure 2 Shown:

[0036] 1) The state of the lithium battery in the box is stable, and the detection device keeps working. Once the lithium battery heats up rapidly or leaks smoke or even an open flame, the detection device sends out an action signal;

[0037] 2) The control unit receives the signal from the detection device, and activates the alarm device and the gas collection device at the same time;

[0038] 3) The alarm device sends out an audible and visual alarm signal to remind personnel of an accident, and at the same time the micro vacuum pump starts.

[0039] If the lithium battery releases a large amount of gas and the pressure in the box rises rapidly to the limit of the box strength, the burst disc will rupture to prevent physical explosion.

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Abstract

The invention belongs to the technical field of safety engineering and provides a lithium ion battery safe storage box with a fire blast product automatic collecting device. The invention aims to solve the problem that the environment is harmed by toxic and harmful gas generated by a fire blast accident in lithium battery transportation and storage in the prior art. The device comprises a fire detector, a sound-light alarm device, a control unit, a gas collecting and storing deice, a pressure relief device and a box body. The box body comprises an upper box cover and a lower box shell. The upper box cover and the lower box shell are movably connected. The gas collecting and storing device comprises a micro vacuum pump and a gas storage cylinder connected in parallel. The gas collecting andstoring device is fixed in the upper box cover. The fire detector and the control unit are connected to the gas collecting and storing device in series. The safe storage box can prevent toxic and harmful gas generated by combustion or explosion of the lithium battery in storage or transportation processes from being directly discharged to the atmosphere, so that the risk of air pollution and poisoning of staff is reduced, and the safety storage box has the advantages of being full-automatic, alarming in an out of control state, inhibiting in an out of control state and the like.

Description

technical field [0001] The invention belongs to the technical field of safety engineering, and specifically provides a lithium-ion battery safety storage box with an automatic collection device for combustion and explosion products. Background technique [0002] With the prevalence of the international low-carbon environmental protection trend, the development of lithium batteries in the world has been extremely rapid in recent years. From mobile phones, mobile power supplies to new energy vehicles, lithium batteries are everywhere. Due to its low cost, high performance, high power and many other advantages, lithium batteries have become a typical representative of new energy, and are widely used in 3C digital products, mobile power supplies, electric vehicles and other fields. With the continuous promotion of lithium batteries, the safety of lithium batteries has attracted more and more attention. Due to technical reasons or improper use of the batteries themselves, lithium...

Claims

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Application Information

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IPC IPC(8): A62C3/16
CPCA62C3/16
Inventor 王志荣李杨刘学军
Owner NANJING UNIV OF TECH
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