Flat concentrating device for concentrating solar radiation comprises flat optical elements arranged on the upper side of a structured plate

摘要

Flat concentrating device comprises flat optical elements arranged on the upper side of a structured plate (5). Preferred Features: The structured plate consists of an upper grate (2) and a lower grate (4) connected by pyramidal elements (3). Optical cylindrical lenses including Fresnel lenses are arranged on the upper grate. A plate with pyramidal structures can be connected instead of the upper plate and mirror facets are arranged on the plate.