Solar collector completely made from flexible materials comprises a flexible plastic tubing for a working medium lying on a base material

摘要

Solar collector is completely made from flexible materials. Preferred Features: A flexible plastic tubing (2) for a working medium lies on a base material (1). The whole base material has good light absorption. Heat insulating air chambers (6, 7) are arranged below and above the base material. The lower surface is made from a plastic film with a reflective coating. The solar collector has a safety air valve.