however, we still use the emergency lamp of the 40s, and when emergency braking or an accident takes place, only by manual can the driver make alarm light flashed.
this paper proposed a design of emergency lighting in which the economical fluorescent lamp is used. the electronic circuit of emergency lamp which supplies dc power is given.
提出一种采用节能型荧光灯的应急照明设计方案,并给出了相应的直流供电线路。
the controller is connected with the backup power supply and for controlling the on-off of a circuit between the backup power supply and the emergency lamp light emitting component.