消防应急和疏散指示照明配电箱供电回路过负荷保护设置的思考  

Overload Protection of Power Supply Circuit for Fire Emergency Lighting and Evacuation Indication System

作　　者：彭志春 曾胜安 Peng Zhichun;Zeng Sheng'an(Chongqing Arch-Age Design Co.,Ltd.,Chongqing 400042,P.R.China)

机构地区：[1]重庆长厦安基建筑设计有限公司,重庆400042

出　　处：《灯与照明》2021年第4期20-23,共4页Light & Lighting

摘　　要：消防应急照明和疏散指示系统的供电回路是否需要设置过负荷保护一直是电气设计行业中讨论的热点,在设计图纸的审查过程中也有不同的审查意见。通过相关规范的对比分析,探讨消防应急照明系统供电回路设置过负荷保护问题,判断系统应急照明灯具或集中电源蓄电池持续工作时间是否满足规范(标准)要求,如果满足要求,则应为消防应急照明系统设置过负荷保护;如果不满足,则不设置过负荷保护。Whether the power supply circuit of fire emergency lighting and evacuation indication system needs overload protection has always been a hot topic in the electrical design industry,and it is also a controversial technical point.There are different review opinions in the review process of design drawings.Through the comparative analysis of relevant national codes,the author obtains whether it is necessary to set overload protection for the power supply circuit of fire emergency lighting system,It is necessary to judge the difference between the continuous working time of the system emergency lighting lamps or centralized power supply batteries and the power supply time of the fire emergency lighting system required by the specifications(standards).If the requirements are met,the fire emergency lighting system shall be provided with overload protection;if not,the overload protection shall not be provided.

关 键 词：消防应急照明 疏散指示系统 供电回路 过负荷保护 连续供电时间 备用电源 

分 类 号：TU113.668[建筑科学—建筑理论]