Defects in Application of Smoke Detector to Large Underground Garages

LIN Guocheng（CCDI Group，Shanghai 200092，China）

 

    Abstract The application of smoke detectors to large underground garages as well as the possible defects，especially the impacts of water mist in the underground garages caused in the rainy season peculiar to Jiangnan Region，is elaborated from multiple perspectives. The characteristics of smoke detectors and heat detectors are compared and advices on the application of fire detectors to large underground garages are given.

    Key words Large underground garage Smoke detector Heat detector Rate of false alarm Rainy season Water mist

 

    摘 要 多角度阐述感烟探测器在大型地下汽车库的实际使用状况及存在的缺陷，特别是江南地区特有的黄梅天，在地下车库产生的水雾对感烟探测器的影响。比较感烟探测器和感温探测器的特点，对火灾探测器在大型地下车库的使用提出建议。

    关键词 大型地下汽车库   感烟探测器 感温探测器   误报率 黄梅天   水雾

    中图分类号：TU892 文献标识码：A