| 摘要 |
The present invention relates to an LED lighting apparatus and, more particularly to an LED lighting apparatus installed in a tunnel. The present invention may include: an LED lighting unit (300) including an LED substrate (320) having multiple LEDs (310), and a radiating unit (330) combined to the LED substrate (320); a lower housing (100) fixed in a structure (210), an upper housing (200) which has an opening part (210) for the multiple LEDs (310) to head outward, fixed and combined with the LED lighting unit (300), and forms a vacuumed inner space with the lwer housing (100) by being hinge-connected to the lower housing (100); at least one straight cooling pipe (400) which is penetrated into at least one between the lower housing (100) and the upper housing (200), and cools the inner space heated by the radiating unit (330) of the LED lighting unit (300) by flowing outside air from one end to the other end; and at least one heat delivering member (350) which is in touch with the cooling pipe (400) and the radiating unit (330) for delivering the heat from the radiating unit (330) to the cooling pipe (400). |
