Intelligent fire extinguishing device used for electric vehicle lithium battery box

Abstract

The invention discloses an intelligent fire extinguishing device used for an electric vehicle lithium battery box. The intelligent fire extinguishing device comprises a shell. The inner wall of the shell is fixedly connected with a partition plate. The shell is segmented into an electric appliance bin and a regulation bin through the partition plate. The innovative multi-cavity structural design is adopted, a power source is free of gas pressure storage, and safety and reliability are achieved. The defects of an aerosol type fire extinguishing device can be effectively avoided, and the intelligent fire extinguishing device is more suitable for the lithium battery box of an electric vehicle; and the intelligent fire extinguishing device is integrated with a control unit, various fire detection modes are combined, all-directional monitoring and effective protection are achieved for potential fire hazards, and the problem that a portable dry powder fire extinguisher cannot be intelligently controlled can be solved. The intelligent fire extinguishing device is small in size and convenient to install and can be placed in the lithium battery box. The system integration degree is high, there is no need to additionally install controllers or detectors, and the installation space and cost are reduced. The product integration degree is high, and the intelligent fire extinguishing devicecan be suitable for fire extinguishing of different types of electric vehicles. Cost is reduced, and installation is convenient; and compared with other products, the intelligent fire extinguishing device is more suitable for the lithium battery box of the electric vehicle.

Description

technical field [0001] The invention relates to the field of lithium battery safety equipment, in particular to an intelligent fire extinguishing device for a lithium battery box of an electric vehicle. Background technique [0002] There is currently no intelligent fire extinguishing system for electric vehicles on the market. Existing fire extinguishing products for lithium battery boxes are mainly portable fire extinguishers, aerosol fire extinguishing devices, and storage pressure fire extinguishing devices such as carbon dioxide and heptafluoropropane. The device has the following disadvantages: [0003] Portable fire extinguishers need to be operated manually, and cannot be intelligently extinguished, and cannot monitor the battery status of electric vehicles in real time, whether the temperature is abnormal, etc., which delays the fire fighting time. You can only wait for the electric vehicle to catch fire and use a fire extinguisher to put out the fire manually. Th...

AI Technical Summary

Problems solved by technology

[0005] Carbon dioxide, heptafluoropropane and other storage pressure structures are used as fire extinguishing systems. Since the driving gas is stored under pressure for a long time, it is easy to leak. In the event of a fire and urgent use, the fire extinguishing efficiency will be reduced or the fire cannot be sprayed due to insufficient driving pressure. Phenomenon

And the volume is too large to be installed inside the lithium battery box of the electric vehicle

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