轨道交通地下区间执行GB 51309—2018《消防应急照明和疏散指示系统技术标准》采用B型灯的设想

Assumption of Adopting B Lamp in GB 51309—2018“Technical Standard of Fire Emergency Lighting and Evacuation Indication System”in Underground Section of Rail Transit

对轨道交通地下区间采用的设备材料、灯具布置方式以及制定标准GB 51309—2018《消防应急照明和疏散指示系统技术标准》时采用A型灯具的理由进行了分析,提出了采用B型灯时的技术措施。采用B型灯时不仅节约投资,施工方便,同时也不必采用防护等级IP65的集中电源,提高了集中电源的使用寿命,维护管理也方便。

The equipment materials,lighting arrangement,and the reasons for adopting type A lamps and lanterns in the underground section of rail transit,were analyzed.The technical measures for adopting type B lamps were put forward.The use of B-type lamps not only saves investment and facilitates construction,but also avoids the use of the centralized power supply with protection grade IP65,which improves the service life of the centralized power supply and facilitates the maintenance and management.