| 摘要 |
PROBLEM TO BE SOLVED: To provide a road illumination device that is excellent in drainage performance and heat-dissipation performance.SOLUTION: The road illumination device includes: a body 12 supported by an arm 11; an upper cover 13 for covering the upper part of the body 12; an LED light-emitting part 14 and a power supply block 15 which are fixed to the lower side of the upper cover 13; and a plurality of heat-dissipating fins 23 provided at the upper part of the upper cover 13. Each groove 23a between the respective heat-dissipating fins 23 is inclined downward toward the edge of the upper cover 13. |
