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ji guang yan wu tu xiang he co qi ti fu he huo zai tan ce qi de she ji
Author(s): 
Pages: 21-23,7
Year: Issue:  6
Journal: Security and Safety Technology Magazine

Keyword:  火灾探测激光图像复合式可靠性;
Abstract: 准确可靠并且尽早期地发现火灾是火灾探测最重要的环节.传统的单一量火灾探测器是对燃烧过程中产生的烟气或者火焰温度等单一的火灾参量作出响应,判断是否有火灾发生,容易引起误报.介绍了一种基于激光图像感烟和CO气体的复合式探测器的设计,在设置报警输出时,将烟雾探测结果和气体浓度探测结果进行逻辑"与",只有当两者都达到预先设置的阈值时,整个探测器才报警,从而提高了火灾探测的可靠性.
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