How to handmade a small solar light
Simple solar energy system, individuals can produce, including a solar power system, the most easy, but to buy a silicon photovoltaic panels, installed, the sun a sun there is electricity, and need to be more perfect, with the controller, inverter Wait. Can also buy some silicon photovoltaic cells themselves into a variety of shapes of the board. Low-power, power grid what energy,
Tubular solar water heaters by the water cycle, is divided into natural circulation and pump, the former simple and cheap, but the requirements of the circular water design is very skillful, or can not cycle, a pool of stagnant water. There is no problem with the pump cycle, but to add electricity consumption, but also spend money to buy a pump, the water requirements on the low.
To improve endotherm, it is best to paint the container in black. Note that this way is too simple, water and heat absorption is one, there is no cushion and insulation, hot water during the day, if not timely use, to the dark and cool friends. B tube tube type solar water heater according to the material points, and divided into two kinds, metal pipe, amateur production easier, such as water pipes, then collectors, plus bucket can be. The other is the vacuum tube, high efficiency, but the amateur production more trouble, not easy to seal good.
power system can do what, as long as the power enough 2 solar water heaters are basically two types, boring drying and tube A boring drying tube type solar water heater simple, find a container, such as large gasoline barrels, then the water and outlet pipes, put the sun a good sun, There is hot water.
