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A light energy collection apparatus comprising an optical system for collecting the light energy, a framework for supporting the optical system, a tracking device for driving the supporting framework so as to normally keep the optical system pointed at a light source, an optically transparent housin

A light energy collection apparatus comprising an optical system for collecting the light energy, a framework for supporting the optical system, a tracking device for driving the supporting framework so as to normally keep the optical system pointed at a light source, an optically transparent housing enclosing the optical system and the tracking device as well, a structure for supporting the housing and if required a means for converting the collected light energy into electrical or thermal energy.

대표청구항 ▼

A light energy collection apparatus comprising: an optical system for collecting light energy from a light source, comprising: a lens system for converging the light energy, an optical coupler upon which the light energy is focused through said lens system, and a light-guide cable with one end conne

A light energy collection apparatus comprising: an optical system for collecting light energy from a light source, comprising: a lens system for converging the light energy, an optical coupler upon which the light energy is focused through said lens system, and a light-guide cable with one end connected to said optical coupler so that the light energy focused on said optical coupler enters said light-guide cable, a supporting framework for supporting said optical system; a tracking device for driving said supporting framework in such a way that the optical system is normally kept pointed at said light source, said tracking device comprising: a main shaft supported for rotation, one or more light energy collectors each mounted on said main shaft for rotation about an axis perpendicular to the axis of said main shaft, and means for rotating said one or more light energy collectors about their axes of rotation; a device for detecting the position of said light source, said device including a weight mechanism mounted on said main shaft in such a way that regardless of the angular position of said main shaft, said weight mechanism is normally vertically oriented; a spherical lens mounted on said weight mechanism, and a plurality of optical sensors situated at the focal points of said spherical lens, whereby in response to the outputs from said optical sensors, the direction or position of said light source is detected; an optically transparent housing enclosing said optical system and said tracking device; and a supporting means for supporting said housing.