发明名称 |
Solar energy module and fresnel lens for use in same |
摘要 |
A solar concentrator having a housing that supports at least one photovoltaic cell therein. A heat sink underlies the photovoltaic cell and a transparent cover, preferably glass, protects the surface of the cell. Positive and negative contacts are operatively connected to the cell to transmit the electrical energy generated thereby. A primary optical concentrator is provided in the form of a Fresnel lens. The Fresnel lens has a central facet and a plurality of adjacent facets of varying widths, the width of each successive adjacent facet decreasing in the direction away from the central facet. The radius of curvature of each successive adjacent facet increases in the direction away from the central facet. All of the facets have a peak of the same height and a valley of the same height. The Fresnel lens has a predetermined focal distance and the photovoltaic cell is supported within the housing within the focal range of the lens and at a distance from the lens that is less than the focal distance.
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申请公布号 |
US6399874(B1) |
申请公布日期 |
2002.06.04 |
申请号 |
US20010758842 |
申请日期 |
2001.01.11 |
申请人 |
DENNEHY, JR. CHARLES;DENNEHY SANDRA |
发明人 |
OLAH STEPHEN |
分类号 |
F24J2/08;G02B3/00;G02B3/08;H01L31/052;(IPC1-7):H01L31/052 |
主分类号 |
F24J2/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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