| 摘要 |
The present invention is intended to thermally isolate an LED and a control part that controls the LED from each other to make it difficult to thermally influence each other, and also to optimize fin shapes suitable for allowable temperatures of the both respectively, and provided with: a first housing 22 that contains an LED board 21; a second housing 24 that contains an LED control part 23; a connecting member 25 that connects the first housing 22 and the second housing 24 to each other; a fan mechanism 26 that is provided between the first housing 22 and the second housing 24; heat dissipation fins 27 that are provided around the fan mechanism 26 in the first housing 22; and an air path 28 of which one end opening 28a is formed at a position facing to an air inlet side 26a of the fan mechanism 26 in the second housing 24, and the other opening 28b is formed on a surface different from an opposed surface 24a of the second housing 24. |
