Several Personal Viewpoints on the Design of Automatic Fire Alarm System

Ding Hongjun （Shenyang Fire Research Institute，Ministry of Public Security，Shenyang 110034，China）

Abstract The composition of automatic fire alarm system and several basic concepts involved in the system design are expounded；the basic process of occurrence, development and the relationship between stages of the fire are analyzed； the connotations of the different types of alarm signals of fire detectors are explained；the fire confirmation and the joint programming，as well as the basic concepts of the fire fighting joint design for cutting off the non?鄄fire power supplies in the fire?鄄related regions are put forward；and the time sequence of the joint devices in the joint design is given.

Key words　Automatic fire alarm Fire evacuation Fire confirmation Automatic fire extinguishing Fire fighting joint control　Fire fighting process

摘　要　阐述火灾自动报警系统的构成，以及系统设计中涉及的几个基本理念；分析火灾发生、发展的基本过程及各阶段之间的关系；解释不同类型火灾探测器报警信号的含义；提出火灾确认与联动编程，以及切断发生火灾相关区域非消防电源的消防联动设计基本理念；给出了联动设计中联动设备的时序。

关键词　火灾自动报警　火灾疏散　火灾确认　自动灭火　消防联动控制　消防过程