Sunlight heat collector, sunlight collecting reflection device, sunlight collecting system, and sunlight energy utilizing system

• Main Authors: TADAHIKO TAKAMATSU, YOSHIO YOSHIZAWA, HIDEYUKI ISHIHARA, YUTAKA TAMAURA, MOTOAKI UTAMURA, HIROSHI HASUIKE
• Format: Patent
• Language: English
• Published: 02.06.2011
• 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.