| 摘要 |
<p>1. Solar collector, consisting of a collector tube (4) manufactured in one piece from plastic material by extrusion moulding with a transparent covering body (12) surrounding it and with webs (5) arranged between collector tube (4) and covering body (12), a hollow air space being formed between collector tube (4) and covering body (12), the collector tube (4) serving for receiving a liquid medium (1) which flows through it and absorbs solar energy, characterized by combination of the following features : a) the collector tube (4) consists of several pipes of transparent plastic material arranged side by side ; b) the covering body (12) has a rectangular cross-section ; c) groove (7) and tongue (8) connecting elements are provided on either long side of the covering body (12) ; d) a heat absorber strip (11) is inserted into each pipe.</p> |
