Equipment and method for preventing lithium battery in charging box from fire explosion

A lithium battery and charging box technology, applied in secondary batteries, battery circuit devices, secondary battery repair/maintenance, etc., can solve the problems of lithium battery out of control, fire accident loss expansion, aerosol fire extinguisher has no cooling effect, etc., to achieve Reduce shared cost, prevent damage, reduce temperature effect
CN112635870APending Publication Date: 2021-04-09深圳悠久动力科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
深圳悠久动力科技有限公司
Publication Date
2021-04-09

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Abstract

The invention provides equipment and a method for preventing a lithium battery in a charging box from fire explosion; in order to solve a problem of preventing the lithium battery from being on fire and exploding at present, a water spraying cooling and fire extinguishing mode which is recognized to be most effective for the lithium battery is adopted, and the temperature of a battery cell is monitored, early monitoring is emphasized, early discovery is performed and water spraying cooling is intervened in advance. And out-of-control fire explosion of the lithium battery can be effectively prevented. Even if fire and explosion cannot be completely prevented, the effects of controlling the fire behavior and reducing the temperature can be achieved, and the fire disaster is completely controlled in the accident cabin. And the sharing cost is greatly reduced in a mode of sharing a water system pair with a heating system. Therefore, whether the lithium battery has a fire explosion risk or not and whether the lithium battery is out of control or not can be judged by monitoring the temperature of the battery cell of the lithium battery, and the fire explosion of the lithium battery is prevented or the damage caused by the fire explosion of the lithium battery is reduced by a method of spraying water to cool the lithium battery.
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Description

technical field

[0001] The invention relates to the technical field of lithium batteries, in particular to a device and method for preventing a lithium battery in a charging box from igniting and exploding. Background technique

[0002] At present, electric bicycles, electric motorcycles and electric tricycles are important means of transportation for urban and rural residents in China. There are more than 300 million vehicles in the country. These vehicles use lithium batteries in large quantities.

[0003] Fire and explosion accidents often occur when lithium batteries are charged, causing serious consequences such as casualties, houses or the entire parking shed burned. At present, governments, institutions and enterprises in many places recommend or even mandate the use of charging box mode to charge lithium batteries. Therefore, it is of great significance to reliably solve the problem of lithium battery charging box mode charging.

[0004] The charging box provides a...

Claims

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