| 摘要 |
The dividing walls (8) separate channels (9), through which a sunlight-absorbing fluid flows. A cover sheet (1) is provided as is a transparent insulation in the form of sunlight transmitting-reflecting and heat radiation absorbing lamellas (2) running between the cover plate and the upper absorber channel plate (7). - The lamellas are parallel to one another and have a thickness matched for low heat conduction between the absorber part and the cover plate. The distance between them is such that inherent convection of gases in the space between them is stopped or reduced. The absorber part, particularly the sunlight-absorbing fluid, the cover plate, the transparent insulation and the edge plates are produced in one piece by extrusion (injection moulding) of a sunlight-transmitting and heat radiation absorbing material. |
