文章提出了一种大型密闭油库，密闭燃油机房等场所用到的火灾自动报警装置。
1·In fire autoalarm control system the fire detector is the key parts for the detecting of fire signals.
火灾自动报警控制系统中，探测器是探测火灾信号的关键部件。
2·The applications of four buses controlling mode to fire fighting system, the design methods and operating principles of four buses fire autoalarm controllers are mainly expounded.
本文重点阐述了四总线控制方式在消防系统中的应用及四总线火灾自动报警控制器的设计方法及工作原理。
3·The whole DVB system can be monitor and the function including malfunction analyzing, malfunction recording, autoalarm can be implemented by this system.
通过此系统可对DVB系统进行全线监测，实现故障分析、故障过程记录、自动报警等功能。