Solar tracking reflector system for structure lighting

F - Mech Eng,Light,Heat,Weapons – 21 – S

Patent

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Details

F21S 11/00 (2006.01) E04D 13/035 (2006.01) G02B 17/00 (2006.01)

Patent

CA 2667258

A solar tracking device (100; 1000) is mounted above a skylight of a building. An array of mirrors (150, 152, 154; 1110, 1114, 1118) is rotated at a rate of one revolution per day to reflect sunlight through the skylight. A control circuit (610; 1500) intermittently adjusts the angular position of the tracking device so that the mirrors face the sun. A solar array (130; 1200) charges an internal energy storage system (132; 1520, 1522) so that no external power source is needed. The control circuit (610; 1500) within the tracking device (100; 1000) reduces the power requirements at night and when not moving the tracking device during the daytime to conserve electrical energy.

L'invention concerne un dispositif de poursuite solaire (100; 1000) monté au-dessus d'un puits de lumière sur un bâtiment. Un ensemble de miroirs (150, 152, 154; 1110, 1114, 1118) est mis en rotation à une vitesse d'une révolution par jour pour réfléchir la lumière solaire à travers le puits de lumière. Un circuit de commande (610; 1500) règle de façon intermittente la position angulaire du dispositif de poursuite pour que les miroirs soient dirigés vers le soleil. Un panneau solaire (130; 1200) charge un système de stockage d'énergie interne (132; 1520, 1522), de sorte qu'aucune source d'alimentation externe n'est nécessaire. Le circuit de commande (610; 1500) à l'intérieur du dispositif de poursuite (100; 1000) réduit la puissance requise pendant la nuit et lorsque le dispositif de poursuite n'est pas déplacé pendant la journée de façon à préserver l'électricité.

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