景观道路照明中的灯具布置及电击防护研究
闫 昊 申 伟(北京市建筑设计研究院有限公司,北京市 100045)
Research on Luminaire Layout and Protection against Electric Shock
for Landscape Road Lighting
YAN Hao SHEN Wei(Beijing Institute of Architectural Design,Beijing 100045,China)
Abstract:The selection of luminaire for landscape roads is described,and the appropriate height of luminaire layout for landscape roads with varying spacing and the interval of luminaire layout for different heights are given in this paper. The protection against electric shock for landscape luminaire is discussed,and the requirements of TN - S system and T T system for protection against electric shock in power distribution for outdoor landscape are discussed and summarized.
Key words:landscape road lighting;average illuminance;uniformity ratio of illuminance;spacing‑height ratio;protection against electric shock;TN - S earthing system;T T earthing system;iterative earthing
摘 要:简述景观道路照明灯具选择,给出不同景观道路宽度下适宜的灯具布置高度和不同高度下的灯具布置间距。对景观灯具的电击防护进行探讨,归纳TN - S系统和T T系统在室外景观配电中的电击防护要求。
关键词:景观道路照明;平均照度;照度均匀度;距高比;电击防护;TN - S接地系统;T T接地系统;重复接地
中图分类号:TU113.6 + 66 文献标识码:A
doi:10.3969 / j. issn.1003 - 8493.2022.08.005