| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting device which is easy to mount, with a circulator function enabled to heighten a circulator effect, while making the volume of the blower air large, reducing noise, and saving power consumption. SOLUTION: The lighting device, mounted on a ceiling 1 with a gap to light a fluorescent tubes 12, comprises a circulation air blower 14 located at the inside the fluorescent tubes 12, equipped with a propeller fan 15 blowing air toward the ceiling when driven to rotate, and a guide plate 22 mounted at ceiling side of the lighting device main body 7 which is located at and around the circulation air blower 14, exhausting the air sent from the propeller fan 15 by forming a centrifugal diffuser air path 24 between the lighting device main body 7 and itself. |
