Solar collector panel

Abstract

Solar panel ( 1 ) comprising an absorber element ( 2 ), a heat-insulating insulation element ( 3 ) placed between the absorber element ( 2 ) and an underlayer, and a frame structure ( 4 ) surrounding the insulation element ( 3 ) and the absorber element ( 2 ). The invention is characterized in particular in that said insulation element ( 3 ) and said frame structure ( 4 ) are integratedly formed into an essentially box-shaped, self-supporting base element ( 5 ) having a recess ( 7 ) to accommodate said absorber element ( 2 ), which base element ( 5 ) consists in the main of a foamed plastic material. The solar panel ( 1 ) preferably also comprises a transparent covering sheet ( 6 ) placed over said absorber element ( 2 ).

1 . Solar panel ( 1 ) comprising an absorber element ( 2 ), a heat-insulating insulation element ( 3 ) placed between the absorber element ( 2 ) and an underlayer, and a frame structure ( 4 ) surrounding the insulation element ( 3 ) and the absorber element ( 2 ), said insulation element ( 3 ) and said frame structure ( 4 ) are formed integratedly into an essentially box-shaped, self-supporting base element ( 5 ) having a recess ( 7 ) to accommodate said absorber element ( 2 ), which base element ( 5 ) consists in the main of a foamed plastic material, wherein the solar panel ( 1 ) further comprises a transparent covering sheet ( 6 ) placed over said absorber element ( 2 ), and wherein said base element ( 5 ) has fastening organs for the absorber element ( 2 ), characterized in that the recess ( 7 ) in the base element ( 5 ) accommodates the absorber element ( 2 ) in its entirety, including pipe joints ( 10 ) located on the absorber element ( 2 ) and that said fastening organs ( 17 ) are through holes ( 18 ) in the base element ( 5 ), which holes ( 18 ) are adapted to interact by press fit with pipe joints ( 10 ) located on the absorber element ( 2 ).  
     
     
         2 . Solar panel ( 1 ) according to  claim 1 , characterized in that a support surface ( 11 ) for contact with the covering sheet ( 2 ) is located on a continuous support vane ( 12 ) which projects from the bottom surface ( 13 ) of the recess ( 7 ) on the base element ( 5 ).  
     
     
         3 . Solar panel ( 1 ) according to any one or more of the preceding claims, characterized in that said base element ( 5 ) is clad with a surface layer ( 19 ) of a plastic material, the density of which exceeds the density of said foamed plastic material.  
     
     
         4 . Solar panel ( 1 ) according to any one or more of the preceding claims, characterized in that said base element ( 5 ) has a recess ( 16 ) to accommodate the transparent covering sheet ( 6 ), in which recess ( 16 ) upwardly facing support surfaces ( 14 ,  15 ) are executed for contact with the covering sheet ( 6 ).  
     
     
         5 . Solar panel ( 1 ) according to any one or more of the preceding claims, characterized in that said foamed plastic material has a density within the range 20-80 kg/m 3 , preferably 40-60 kg/m 3 .  
     
     
         6 . Solar panel ( 1 ) according to  claim 4 , characterized in that said foamed plastic material consists of polypropylene foam.