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Power battery fire monitoring and early warning system

A power battery, monitoring and early warning technology, which is applied in the direction of electrical fire alarms, mechanical fire alarms, and fire alarms that rely on smoke/gas action, to achieve simple fire judgment standards, reduce fire judgment time, and Guaranteed accuracy and rapidity

Inactive Publication Date: 2019-04-16
INST OF IND TECH GUANGZHOU & CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a power battery fire monitoring and early warning system and method for how to set up appropriate sensors to ensure the rapidity and accuracy of power battery early fire monitoring and reduce the cost of power battery fire monitoring

Method used

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  • Power battery fire monitoring and early warning system
  • Power battery fire monitoring and early warning system

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail through the following embodiments and in conjunction with the accompanying drawings.

[0024] It should be understood that, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for describing specific embodiments only, and are not intended to limit the present invention. Apparently, the embodiments described below are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] An embo...

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Abstract

The invention relates to a power battery fire monitoring and early warning system. The battery box is used for containing a power battery, a temperature sensor, a stress sensor and a smoke sensor arranged in the battery box, a control device electrically connected with the temperature sensor, the stress sensor and the smoke sensor, and an alarm device connected with the control device. The temperature sensor is used for collecting power battery surface temperature information, the stress sensor is used for collecting power battery surface stress information, and the smoke sensor is used for collecting smoke concentration in the battery box; the control device is used for obtaining the fire risk level of the power battery according to the surface temperature information, the surface stressinformation and the smoke concentration and judging whether a fire alarm instruction is sent or not according to the fire risk level; and the alarm device is used for sending out different alarm reminders according to the fire risk level after receiving the fire alarm instruction. The early fire monitoring accuracy of the power battery is ensured, and the fire monitoring cost is reduced.

Description

technical field [0001] The invention relates to the technical field of new energy vehicle power battery fire monitoring, in particular to a power battery fire monitoring and early warning system. Background technique [0002] Power batteries can provide power sources for electric vehicles, electric trains, electric bicycles, etc. Power batteries include lithium-ion power batteries, nickel-metal hydride batteries, lead-acid batteries, etc. Among them, lithium-ion power batteries have the advantages of high energy ratio, long cycle life, and environmental protection, and are widely used in new energy vehicles. However, power batteries may cause fires under the conditions of thermal abuse, electrical abuse and mechanical abuse, making power battery fires an important cause of electric vehicle disasters. Therefore, it is an important means to improve the safety of the power battery by monitoring the initial signal of the power battery fire in real time and taking corresponding ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B17/06G08B17/02G08B17/10G01D21/02
CPCG01D21/02G08B17/02G08B17/06G08B17/10
Inventor 牛慧昌姬丹涂然姜羲
Owner INST OF IND TECH GUANGZHOU & CHINESE ACADEMY OF SCI
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