| 摘要 |
PURPOSE: A sign lamp driving system using a tunnel lighting apparatus is provided to enable a user to recognize the internal structure of a tunnel or an underpass by using an LED lamp for a guidance lamp formed at both sides and one side of an LED tunnel illumination unit. CONSTITUTION: A LED tunnel illumination unit(100) is installed at the center or both sides of the ceiling of a tunnel or an underpass. The LED tunnel illumination unit includes LED modules and a module drive circuit part. An LED lamp for a guidance lamp is installed at one or both sides of the body(104) of the LED tunnel illumination unit. A guidance lamp(200) is installed at both sides of the tunnel or the underpass to lead a pedestrian and a car. A light angle control unit(400) adjusts the illumination angle of the LED lamp. |
