Fire alarm system for electric motor coach batteries

Abstract

The invention discloses a fire alarm system for electric motor coach batteries. An early warning monitoring system is adopted for monitoring fire alarm signals; whether or not to start an escaping control system is determined according to monitoring results; under the situation that the escaping control system needs to start according to the monitoring results, the escaping control system sends alarm signals and escaping schemes are established according to the monitoring results from the early warning monitoring system. By means of the fire alarm system for electric motor coach batteries of the invention, a temperature preset value T represents a critical temperature value that the batteries are going to be on thermal runaway so that it can accurately estimate fire disaster before the occurrence of fire disaster and fire alarm is timely sent out; therefore, passengers have sufficient time to evacuate. Under the situation that the escaping control system is started, the safer electric motor coach doors and / or electric motor coach windows are selectively opened; passengers are guided to evacuate effectively so as to prevent passengers entering dangerous environment, the safety of riding is increased.

Description

technical field [0001] The invention relates to the technical field of new energy vehicles, in particular to a battery fire warning system for electric passenger cars. Background technique [0002] With the increasing promotion of new energy vehicles in my country, pure electric vehicles with green and environmental protection characteristics are an inevitable trend in the future development of the automobile industry. They will gradually replace traditional fuel buses and become the daily transportation means for ordinary people. [0003] Pure electric vehicles use rechargeable power batteries to provide electric energy to drive the vehicle. The biggest feature is that it has no exhaust emissions, low noise, and meets environmental protection requirements. However, due to the increase in electrical equipment and facilities, pure electric vehicles also have disadvantages such as high-voltage drive battery heat generation, many lines, and complex electrical control systems. ...

AI Technical Summary

Problems solved by technology

[0006] And when the battery has caught fire or even an open flame has appeared in the vehicle, the alarm will be issued, or the passengers will be difficult to evacuate due to excessive panic, and the electrolyte may splash on the passengers during the evacuation process and cause harm to the passengers. Therefore, the prior art The timing of the early warning measures is not timely enough, and there is no way to help passengers make the most accurate and effective evacuation behavior guidelines. The early warning effect is not satisfactory.

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