Battery fire safety experimental system and experimental method using in situ measurement technology

An in-situ measurement and safety experiment technology, applied in the direction of measuring electricity, measuring electrical variables, testing electrical devices in transportation, etc., can solve the problems of lack of battery fire safety research and experiment systems, and achieve the effect of improving safety

Inactive Publication Date: 2018-02-09
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is still a lack of a comprehensive experimental system for battery fire safety research using in-situ measurement, which has great limitations for the exploration of battery fire safety performance.

Method used

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  • Battery fire safety experimental system and experimental method using in situ measurement technology

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specific Embodiment

[0028] like figure 1 As shown, the battery fire safety experiment system of the present invention is a multi-functional experiment platform using in-situ measurement technology expanded on the basis of a mechanical testing machine. The convertible needle plate and pressure plate are made of high-strength steel through casting, cold drawing and heat treatment, and the explosion-proof box is made of steel, heat insulation material, explosion-proof glass and infrared glass through stamping and welding.

[0029] like figure 1As shown, the base 1 of the mechanical testing machine includes a driving motor, a driving gear, a data acquisition system, etc., and the range and speed of the mechanical testing machine can be adjusted according to experimental requirements. A charge and discharge device 2, a temperature tester 3, a pressure tester 4, and a simple calorimeter 5 are placed on the base 1, wherein the charge and discharge device 2 is connected to the battery through wires, so ...

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Abstract

The invention discloses a battery fire safety experimental system and experimental method using an in situ measurement technology. The battery fire safety experimental system and experimental method using the in situ measurement technology can be used for simulating the thermal disaster event when a battery is overheated, overcharged and loaded so as to preferably understand the thermal disaster characteristics of the battery and guide the battery safety design. The battery fire safety experimental system and experimental method using the in situ measurement technology can realize controllableand stable mechanical loading of the battery by taking a mechanical tester as a basic experiment platform, can realize overcharged and over-heated conditions of the battery on the same platform by means of expanded battery charge and discharge system and battery heating system, can utilize the in situ measurement technology to complete real-time monitoring of the stress, the strain, the calorificparameters, the temperature, the pressure, the infrared thermal imaging data, high speed imaging, and the gas analysis data, and can improve safety of the experimental system through an explosion-proof case.

Description

technical field [0001] The invention relates to the technical field of lithium battery experiment testing, in particular to a battery fire safety experiment system using in-situ measurement technology, which can be used to simulate thermal disaster events of batteries under overheating, overcharging and loading conditions, so as to better understand Battery thermal hazard characteristics and guide battery safety design. Background technique [0002] In the context of energy shortage and environmental pollution, electric vehicles are developing rapidly. Lithium batteries, which have the advantages of high energy and power density, long cycle life, and excellent comprehensive performance, are widely used as power batteries in electric vehicles. While the requirements for the performance and life of lithium batteries are increasing day by day, the fire safety of lithium batteries has been highly concerned, and its safety issue is a key link affecting the development of lithium ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/36G01R31/00G01N31/12
CPCG01N31/12G01R31/003G01R31/006G01R31/396
Inventor 许骏吴依静甘云丹刘雨薇
Owner BEIHANG UNIV
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