Layered construction with tube system

Abstract

The present invention relates to a device for collecting and utilizing energy generated by the sun, comprising a layered construction provided with a substrate layer and a cover layer comprising a curable mortar, wherein there is arranged on the substrate layer a tube system through which a fluid can be transported in order to regulate the temperature in the tube system, this tube system being at least partially embedded in the mortar, and wherein the mortar of the cover layer comprises insulating granules, cement, water and additives. The invention further relates to a method for manufacturing a layered construction for a device for collecting and utilizing energy generated by the sun.

1 . A device for collecting and utilizing energy generated by the sun, said device being suitable for a roof-covering, said device comprising a layered construction provided with a substrate layer and a cover layer comprising a curable mortar,
 wherein there is arranged on the substrate layer a tube system through which a fluid can be transported in order to regulate the temperature in the tube system, this tube system being at least partially embedded in the mortar,   wherein the mortar of the cover layer comprises insulating granules, cement, water and additives; and   wherein the tube system is arranged on a surface of the substrate layer without sinking into this substrate layer or without sinking in predefined recesses in the substrate layer.   
     
     
         2 . The device of  claim 1 , wherein the insulating granules comprise expanded vermiculite and expanded perlite. 
     
     
         3 . The device of  claim 1 , wherein the tube system is largely or completely embedded in the mortar. 
     
     
         4 . The device of  claim 3 , wherein the tube system lies substantially flush with the outward facing surface of the cover layer. 
     
     
         5 . The device as claimed in any of the  claim 1 , wherein the substrate layer is a thermally insulating substrate layer. 
     
     
         6 . The device of  claim 1 , wherein the mortar has a coefficient of heat conductivity of between about 0.05 and about 0.30 W/mK. 
     
     
         7 . The device of  claim 2 , wherein the insulating granules further comprise at least one of expanded polystyrene granules and polyurethane granules. 
     
     
         8 . The device of  claim 1 , wherein the substrate layer comprises thermally insulating elements which are embedded at least partially in a mortar. 
     
     
         9 . The device of  claim 8 , wherein the thermally insulating elements are formed from at least one of expanded polystyrene, extruded polystyrene, and polyurethane. 
     
     
         10 . The device of  claim 1 , wherein the tube system comprises a continuous flexible tube. 
     
     
         11 . The device of  claim 1 , wherein a grid running substantially parallel to the substrate layer is provided on the substrate; wherein the tube system is connected to the grid. 
     
     
         12 . The device of  claim 1 , wherein the device is a part of a roof covering, wherein a finishing layer is applied to the cover layer; wherein the finishing layer has a heat resistance which is smaller than 0.5 m 2 K/W; and wherein an air layer or a number of air channels is provided between the cover layer and the finishing layer. 
     
     
         13 . A device for collecting and utilizing energy generated by the sun, said device being suitable for a roof-covering, said device comprising a layered construction provided with a substrate layer and a cover layer comprising a curable mortar,
 wherein there is arranged on the substrate layer a tube system through which a fluid can be transported in order to regulate the temperature in the tube system, this tube system being at least partially embedded in the mortar,   wherein the mortar of the cover layer comprises insulating granules, cement, water and additives; and   wherein the tube system is arranged on a surface of the substrate layer without sinking into this substrate layer or without sinking in predefined recesses in the substrate layer;   wherein the insulating granules comprise expanded vermiculite and expanded perlite.   
     
     
         14 . The device as claimed in any of the  claim 13 , wherein the substrate layer is a thermally insulating substrate layer. 
     
     
         15 . The device of  claim 13 , wherein the mortar has a coefficient of heat conductivity of between about 0.05 and about 0.30 W/mK. 
     
     
         16 . The device of  claim 13 , wherein the insulating granules further comprise at least one of expanded polystyrene granules and polyurethane granules. 
     
     
         17 . The device of  claim 13 , wherein the substrate layer comprises thermally insulating elements which are embedded at least partially in a mortar. 
     
     
         18 . A method for manufacturing a layered construction for a device for collecting and utilizing energy generated by the sun, said device being suitable for a roof-covering, comprising the steps of:
 arranging a cover layer on a substrate layer, the cover layer comprising a curable mortar, wherein the mortar of the cover layer comprises insulating granules, cement, water and additives;   arranging a tube system through which a fluid can be transported on the substrate layer, wherein this tube system is at least partially embedded in the mortar; and wherein the tube system is arranged on a surface of the substrate layer without sinking into this substrate layer or without sinking in predefined recesses in the substrate layer.   
     
     
         19 . The method of  claim 18 , wherein the insulating granules comprise expanded vermiculite and expanded perlite. 
     
     
         20 . The method of  claim 18 , wherein the substrate layer is formed by arranging liquid curable mortar, placing thereon at a mutual distance elements of insulation material preformed into blocks, and filling a space between the blocks with the mortar.