Device for obtaining energy from sunlight with at least one...

F - Mech Eng,Light,Heat,Weapons – 24 – J

Patent

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Details

F24J 2/06 (2006.01) F24J 2/04 (2006.01) F24J 2/05 (2006.01) F24J 2/50 (2006.01)

Patent

CA 2193738

The present invention relates to a device for obtaining heat and/or electrical energy from sunlight with at least one solar collector (2) having an absorber (4) and an energy concentrator (6) surrounding the absorber over its length and at least regions of its periphery and optically concentrating the sunlight on the absorber (4). The energy concentrator (6) has a prism arrangement (12) of transparent material at least at its peripheral region which will be illuminated by the sunlight in accordance with the sun's daily movements, with a plurality of axial adjacent prisms (14) running parallel to the absorber (4) and distributed around the periphery. All the prisms (14) are equal-sided in cross section and their apexes (18) are directed towards the absorber (4).

L'invention concerne un dispositif pour la production d'énergie thermique et/ou électrique à partir de la lumière solaire, comprenant au moins un collecteur solaire (2) présentant un absorbeur (4) et un élément de concentration d'énergie (6) entourant l'absorbeur (4) sur sa longueur et au moins en des zones de sa périphérie, et concentrant optiquement la lumière solaire sur l'absorbeur (4). L'élément de concentration d'énergie (6) présente, au moins dans une zone périphérique susceptible de recevoir la lumière solaire conformément au déplacement apparent du soleil, un dispositif à prismes (12) en un matériau transparent, équipé d'une pluralité de prismes (14) disposés axialement au voisinage les uns des autres, s'étendant parallèlement à l'absorbeur (4) et répartis sur la périphérie. Tous les prismes (14) ont une section transversale à côtés égaux, avec leurs sommets (18) dirigés vers l'absorbeur (4).

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