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消防监控预告报警与紧急报警的实现
引用本文:汪纪锋.消防监控预告报警与紧急报警的实现[J].土木与环境工程学报,1994,16(2).
作者姓名:汪纪锋
作者单位:重庆建筑大学机电工程学院
摘    要:从消防系统可靠性和准确性角度阐述了火灾监控的两级报警一预告报警和紧急报警功能及原理,利用算例说明了两级报警的设计及逻辑运算式,并从工程应用角度给出了由硬件逻辑门实现两级报警的逻辑组合电路以及由单片微机87C48实现两级报警的实用电路及程序。

关 键 词:两级报警,探测部位,阴燃初期,逻辑并联,封锁,单片微机

REALIZATION OF PRE-ALERT AND UP-ALEAT IN FIRE DETECTION AND CONTROL
Wang Jifeng.REALIZATION OF PRE-ALERT AND UP-ALEAT IN FIRE DETECTION AND CONTROL[J].Journal of Civil and Environmental Engineering,1994,16(2).
Authors:Wang Jifeng
Affiliation:Facalty of Mechanical and Electrical Engineering
Abstract:From a viewpoint of the sectirity and the exactness for a fire system,this paperexplicates the function and the element of two-degree alert(TD),pre-alert and up-alert applied tothe detection and the control in the fire system. An example in the paper deduces the logical expres-sion designing TDA and the hardware logic circuit is given. The paper also presents the software pro-gram realizing TDA utilizing the single chip microcomptiter(87C48),
Keywords:two-degree alert  detected location  fire prime  logical connection  lock-out  smigle chip microcomputer  
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