| 摘要 |
PROBLEM TO BE SOLVED: To suppress heat effect on a battery body mounted on a luminaire. SOLUTION: A battery holder 43 to accommodate a battery body B is installed outside the body 11 of a luminaire. Between the battery holder 43 and luminaire body 11, a space is reserved using a spacer 62 having a low thermal conductivity. At the body 11, an opening 51 for the battery is furnished as positioned opposing to the opening 44 in the holder 43. The opening 51 is enclosed with a cover 65 in such an arrangement as capable of being opened and closed. A heat insulation 66 is installed inside the cover 65. |
