| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ebullient cooling type LED lighting device capable of stably cooling a light source unit through prevention of dry out. <P>SOLUTION: In the ebullient cooling type LED lighting device 1 structured by including a light source unit 3 with an LED as a light source, an ebullient cooling unit 5 equipped with a heat-receiving part 12 receiving heat from the light source unit 3, heat-radiating parts 13 radiating heat received at the heat-receiving part 12 toward outside, and a circulation route for circulating cooling media between the heat-radiating parts 13 and the heat-receiving part 12, and a housing 2 for containing the ebullient cooling unit 5 and the light source unit 3, the heat-receiving part 12 of the ebullient cooling unit 5 is formed in a V-letter shape seen from sideways, and the heat-radiating parts 13 are fitted in extension upward at each upper end of the heat-receiving part 12. <P>COPYRIGHT: (C)2012,JPO&INPIT |
