Solar evacuated air collector tube

The invention relates to the technical field of solar, in particular to an all-glass solar evacuated air collector tube with high absorptivity, high conversion rate and high energy collection. The all-glass solar evacuated air collector tube comprises an outer glass tube (1), an inner glass tube (2)...

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1. Verfasser: ZHANG LIANCAI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to the technical field of solar, in particular to an all-glass solar evacuated air collector tube with high absorptivity, high conversion rate and high energy collection. The all-glass solar evacuated air collector tube comprises an outer glass tube (1), an inner glass tube (2), a selectively-absorbing coating (3), an evacuated interlining (4) and an end tube (5). The collector tube is characterized in that: two openings are formed on the two ends of the evacuated air collector tube; the inner glass tube (2) and the outer glass tube (1) are welded into a whole which is welded with the end tube (5) in an extending way. The all-glass solar evacuated air collector tube has the advantages of novel design, simple structure, high collection efficiency due to the adoption of two ends-opened evacuated collection mode, and wide application in solar collection modules.