Flat plate solar collectors to absorb solar radiation energy to the working fluid to transfer heat device, it is a special kind of heat exchanger, the working fluid in the collector and the distant solar heat exchange. Flat-plate solar collector is a type of solar collector. By absorber plate core, shell, transparent cover, insulation materials and related parts. To increase the circulation piping, tank insulation that absorbs solar radiation heat so that the water temperature rises. Features: flat-plate solar collector structure is simple, reliable operation, low cost, low heat fluxes, that is, the lower the temperature of the working fluid, secure and reliable than vacuum tube solar collector, it has the ability to pressure endothermic area large solar energy and building integrated combination of the best selection of the type of collector (vacuum tubes in the northern the weather colder regions device appropriate, Guangdong basic flat-plate collector.)