VENTILATION OPENING WITH INDOOR GUIDE FUNCTION

摘要

PROBLEM TO BE SOLVED: To provide ventilation opening with an indoor guide function to enable indoor guidance after an indoor lamp is turned off without separately installing external wiring. SOLUTION: The ventilation opening comprises a photocell 1, consisting of a solar battery, disposed in a mounting plate 10 of an air outlet 100 and receiving illumination light of an illumination apparatus to illuminate the interior of a room and outputting electric energy; a guide part 2 disposed at the central part of the air outlet 100 and consisting of a light emitting diode 21 to emit light by electric energy fed from the photocell 1; a storage battery part 3 to store electric energy outputted from the photocell 1; and a control part 4 to control a feed of electric energy, stored at the storage battery part, to a guide part 2 when an amount of electrical energy generated by the photocell 1 is decreased to a given value or lower.