 |
|
U-pipe collector
The U-pipe is made by a straight copper pipe which is bended at certain point. The two segments are parallel, and welding on the two main pipes. Several U-pipes and two main pipes build up a whole water-circuit system. The U-pipe is inserted to the vacuum tube with the aluminum fin. When the solar energy is absorbed by the vacuum tubes, the energy is transferred to the U-pipe crossing the aluminum fin. then the U-pipe is heated...
|
|
|
Heat-pipe collector
As a key component of the heat-pipe collector, heat-pipe plays a very important role in this solar collecting system. The heat-pipe is composed of heat-energy absorption unit and condenser unit, and is hollow with the space inside evacuated. Under the vacuum circumstance, the air pressure inside heat-pipe is very low, thus the medium can be evaporated easily when absorbing certain energy. This vapour rapidly rises to the condenser zone and transfers heat, then becomes the liquid and returns to the bottom of the heat pipe since the heat is lost. This process repeats again and again, so the solar energy is transferred continuously.
|
|
|
|
|
|
|
???