Research on wireless and composite signal system for high-rise building fire accurate alarm

doi:10.16265/j.cnki.issn1003-3033.2017.11.003

Abstract

Abstract: In order to effectively prevent and control the high-rise building fire accidents, a signal system was developed for high-rise building fire accurate alarm on the basis of the latest wireless communication and composite signal technology. In view of the limitation of existing building fire auto-alarm systems, before developing the system, a construction idea was put forward for a wireless and composite signal system. Then the hardware and software problems of system implementation were solved through the study of data acquisition terminal, the sub-station node and the alarm algorithm. On this basis, a fire experiment platform was built to test and experiment the system. The research shows that the system has good reliability, can sound the alarm more timely and accurately than other single signal systems, and in the experiment, it trips the alarm over 2 s earlier than other single signal systems do, and the false alarm rate is less than 2%.

Key words: high-rise civil buildings, fire accurate alarm, wireless alarm system, smoke and temperature composite signal, test and experiment

CLC Number:

X928.7

ZHANG Lining, AN Jing, ZHANG Lihua. Research on wireless and composite signal system for high-rise building fire accurate alarm[J]. China Safety Science Journal, 2017, 27(11): 13-17.

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