| 摘要 |
PURPOSE:To provide an in-tunnel luminaire capable of realizing effective work for cleaning or lamp changing to reduce an operator's burden. CONSTITUTION:Luminaires are installed at given intervals in a tunnel, and are provided with vessels F having a front lid W' composed of glass, etc., and lamps LP and reflecting mirrors M to be housed in the vessels F. The lamps LP and the reflecting mirrors M are linked to the front lids W' also the front lids W' are detachably composed to the vessels F, and the lamps LP and the reflecting mirrors M are made attachable/detachable to/from the vessels F accordance with the attaching/detaching operation of the front lid W''. Consequently work for lamp change in the tunnel can be simplified and also cleaning work of the luminaires in the tunnel outside the tunnel. |
