| 摘要 |
Lighting apparatus (5) comprises a support (30) for housing at least one lamp (25), a duct (10) disposed in the vicinity of the at least one lamp (25) and having an upper intake opening (15) and a lower outlet opening (20), and means (50) for moving air from the intake opening (15) to the outlet opening (20), the air being drawn from a surrounding environment through the intake opening (15), being heated inside the duct (10), and being readmitted, heated, into the surrounding environment through the outlet opening (20); directing means (65), disposed outside the duct (10) communicating with the interior of the duct (10), and disposed in the vicinity of the at least one lamp (25), are provided for directing further heated air into the duct (10). |
