Sunbeams concentration lenses, process and apparatus for solar photovoltaic generator using concept of superposition
First Claim
1. A sunbeams concentration lens for a photovoltaic power generation using a concept of superposition including a plurality of unit lenses (21) which are installed as a planar plate shape on the upper side of a solar cell (10) and have areas corresponding to the areas of a concentration surface (11) of the solar cell (10), wherein the unit lens (21) irradiates the sunbeams incident on them superposingly and concentrates them on the concentration surface (11).
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Abstract
The present invention provides a concentration method of sunbeams for a photovoltaic power generation and lens and apparatus used in the method. A method of concentrating sunbeams according to the present invention is characterized in that as a method of concentrating sunbeams on a concentration surface of a solar cell that is installed on a photovoltaic power generator, it comprises steps of installing a concentration lens (20) on the upper side of a solar cell in parallel to the concentration surface, which includes a plurality of unit lens (21) having areas corresponding to the areas of the concentration surface, and irradiating and concentrating superposingly the sunbeams incident on the respective unit lens to the concentration surface. As a result, the present invention has advantageously a best performance in a solar cell.
17 Citations
15 Claims
- 1. A sunbeams concentration lens for a photovoltaic power generation using a concept of superposition including a plurality of unit lenses (21) which are installed as a planar plate shape on the upper side of a solar cell (10) and have areas corresponding to the areas of a concentration surface (11) of the solar cell (10), wherein the unit lens (21) irradiates the sunbeams incident on them superposingly and concentrates them on the concentration surface (11).
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6. A sunbeams concentration lens for a photovoltaic power generation using a concept of superposition including a plurality of unit lenses (21) which are installed on the upper side of a concentration surface (11) formed on a solar cell (10) and have areas corresponding to the areas of the concentration surface (11), wherein the unit lens (21) irradiates the sunbeams incident on them superposingly and concentrates them on the concentration surface (11), and includes one non-refractive light transmittance part (210) that is installed in parallel on the vertical upper side of the concentration surface (11) and a plurality of Fresnel lens (211) extending downside in an opposing direction at a predetermined angle (α
- ), wherein the inclined angle (α
) of the Fresnel lens (211) is set at a range of 10 to 20 degree on the basis of the light transmittance (210).
- ), wherein the inclined angle (α
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7. A method of concentrating sunbeams on a concentration surface (11) of a solar cell (10) that is installed on a photovoltaic power generator comprising steps of:
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installing a concentration lens (20) on the upper side of a solar cell in parallel to the concentration surface (11), which includes a plurality of unit lens (21) having areas corresponding to the areas of the concentration surface (11); and
irradiating and concentrating superposingly the sunbeams incident on the respective unit lens (21) to the concentration surface (11).
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8. A sunbeams concentration apparatus for a photovoltaic power generation using a concept of superposition comprising:
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a solar cell (10) one side of which is a concentration surface (11);
a concentration lens (20) including a plurality of unit lenses (21) which are installed as a planar plate shape on the upper side of a solar cell (10) and have areas corresponding to the areas of a concentration surface (11) of the solar cell (10); and
a frame that fixes the concentration lens (20) in a proper position, wherein the unit lens (21) irradiates the sunbeams incident on them superposingly and concentrates them on the concentration surface (11). - View Dependent Claims (9, 10, 11, 12, 15)
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13. A sunbeams concentration apparatus for a photovoltaic power generation using a concept of superposition including:
- a solar cell (10) where a concentration surface (11) is formed on one side;
a concentration lens (20) including a plurality of unit lenses (21) which are installed as a planar plate shape on the upper side of a solar cell (10) and have areas corresponding to the areas of a concentration surface (11) of the solar cell (10); and
a frame that fixes the concentration lens (20) in a proper position, wherein the unit lens (21) irradiates the sunbeams incident on them superposingly and concentrates them on the concentration surface (11), and includes one non-refractive light transmittance part (210) that is installed in parallel on the vertical upper side of the concentration surface (11) and a plurality of Fresnel lens (211) extending downside in the opposing direction of the light transmittance part (210) at a predetermined angle (α
), wherein the inclined angle (α
) of the Fresnel lens (211) is set at a range of 10 to 20 degree on the basis of the light transmittance (210).
- a solar cell (10) where a concentration surface (11) is formed on one side;
Specification