| 摘要 |
A multi-layer solar panel is provided to absorb solar energy in the side and the bottom of a heat medium pipe through heat medium liquid filled between an upper plate, a main body and a lower plate. A multi-layer solar panel comprises: an upper plate(20) which is made of aluminium material and is specialty coated; and a main body(40) in which is composed of a thin heat medium pipe(10) having the length of a bottom plane longer than height. The heat medium pipe is positioned under the upper plate. A heat medium(11) for circulation is provided inside the heat medium pipe. The lower plate(50) is made of a synthetic resin insulator. The main body and the lower plate are apart from each other. Heat medium liquid(30) is filled in the space between the main body and the lower plate.
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