Improved structure of optically focused photovoltaic condenser
2015
The invention discloses an improved structure of an optically focused photovoltaic condenser. The improved structure comprises a secondary condenser body, the secondary condenser body is provided with an upper surface, a lower surface and four identical side surfaces, the upper surface is a truncated spherical curved surface and serves as a light incidence surface of secondary light condensation, the truncated top surface of the truncated spherical curved surface is a circular plane, the lower surface is a square plane and serves as a light emergency surface of secondary light condensation, the side surfaces are sector surfaces and serve as reflection planes of secondary light condensation, the bottom of each sector surface is the side of the square plane, the lower surface is parallel with the circular plane, a connecting line between the center of the lower surface and the center of the circular plane is vertical to the circuit plane, four top points of the truncated spherical curved surface are placed in the same plane, a plane formed by the four top points is parallel with the circular plane, the distances between the four top points and the center of the circular plane are the same, the lower surface is adhered to a solar cell, and the size of the lower surface is less than the effective light reception area of the solar cell. The improved structure has the advantages including small size, low weight, rapid assembling, low cost and excellent performance.
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