SUNLIGHT HEAT COLLECTOR, SUNLIGHT COLLECTING REFLECTION DEVICE, SUNLIGHT COLLECTING SYSTEM, AND SUNLIGHT ENERGY UTILIZING SYSTEM

• Main Authors: ISHIHARA, HIDEYUKI, TAKAMATSU, TADAHIKO, HASUIKE, HIROSHI, UTAMURA, MOTOAKI, YOSHIZAWA, YOSHIO, TAMAURA, YUTAKA
• Format: Patent
• Language: English; French; German
• Published: 06.06.2007
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS; VENTILATING; WEAPONS

A sunlight collecting system and a solar energy utilization system which collects sunlight with the sunlight collecting system are provided, a sunlight collecting system including a solar heat collector which includes a heat collecting element which is formed by a helically wound heat exchange medium circulation pipe inside which the heat exchange medium flows, in such a way to have an incurved light receiving surface which narrows and converges towards the sunlight inlet and a sunlight collecting reflector which includes a reflector group which includes a plurality of reflector segments each of which includes a reflecting surface which makes sunlight converge on a heat collector, a sunlight collecting system in which a plurality of heliostats Bm are arranged in places which are irradiated by the sunlight between a plurality of heliostats An, in which each of the heliostats An and the heliostats Bm reflect light in a direction to a light collecting point of a heliostat group in which the heliostat is included.