感光型火警探测器具有不小于90°的锥形视角和数米远的探测距离,以及响应速度快、环境适应性强和非接触式测量等优点,已广泛应用于国外先进飞机的防火系统中.文章对感光型火警探测器的技术原理、特点及国外直升机防火系统中的应用实例进行了分析和研究.%With the advantages of more than 90°solid angle and a distance of detection, fast response speed, adaptability to environment, non-contact measurement, and so on, the optical fire detectors have been widely used on the fire protection systems of overseas advanced aircrafts.This paper studies the basic principle, characteristics and application examples of the optical fire detectors.Some references were useful for the design of optical fire detection system.
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