So far, the direct use of solar energy is still in its infancy, mainly including solar heat collection, solar water heating system and solar thermal power generation.

          Solar collectors

          This is a device that receives solar radiation and transfers heat to the heat transfer medium of the solar thermal system. According to the heat transfer medium, it can be divided into liquid collector and air collector. According to the different lighting methods, it can be divided into two types: concentrating and concentrating collectors. There is also a vacuum collector. A good solar collector can be used for 20 to 30 years. Collectors manufactured after the 1980s can be used for 40 to 50 years and are rarely maintained.

          Solar water heating system

          Initially, the most extensive solar energy application was used to heat water, and today, millions of solar water heaters have been installed worldwide. The three main components of a solar water heating system: collectors, storage equipment and circulation pipes. When in the sun, you may also need to use auxiliary energy equipment. You can also force water circulation to control the water level, control electrical components and temperature, or use pipes connected to the load. ..

        The production of solar energy

        That is, solar energy is directly converted into electrical energy, which is stored in a capacitor for use when needed.