Improvements to systems for cost-effective concentration and utilization of solar energy

A technology of solar energy and solar cells, applied in the field of improvement of cost-effective solar energy collection and utilization systems, which can solve problems such as insufficient energy sources and misalignment of the entire system

Inactive Publication Date: 2013-10-09
理查德·诺曼
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] However, high-concentration photovoltaic systems must be precisely oriented to the sun to work, so using this anti-shading algorithm in such systems generally makes the entire system misaligned, so that the energy generated by the system is insufficient

Method used

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  • Improvements to systems for cost-effective concentration and utilization of solar energy
  • Improvements to systems for cost-effective concentration and utilization of solar energy
  • Improvements to systems for cost-effective concentration and utilization of solar energy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0430] First set of preferred embodiments: Improved method of manufacturing preformed reflective panels for high concentration solar systems.

[0431] Preformed solar glass mirrors offer the best reflectivity and economy available, the best scratch-resistant mirrors, and the longest practical life. However, preformed solar glass mirrors are currently too expensive.

[0432] Preformed glass parabolic trough structures, typically by pressing a flat glass mirror against a precisely curved and shaped parabolic mandrel, while an adhesive secures the glass to a stable backing material, or preforms a backing material , fix the mirror to the backplane material (Sandwich Constaiction Solar Staictural Facets, Sandia National Labs 1999), or perform compression molding on a precise mandrel to produce glass. When the glass is thin enough and the bending is small enough, cold molding and bonding can be used to achieve combined bending on the glass mirror (US7550054, Lasich), although gener...

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Abstract

The present invention is primarily directed to improvements to cost-effective systems for concentrating and using solar energy. The present invention co-optimizes the frame and the primary mirrors and secondary concentrator for a cost-effective very high concentration quasi-parabolic dish system that uses no moulded optics for the primary concentration, and also optimizes fabrication jigs for the main components of that design. The present invention also optimizes cell contacts and provides cost effective receiver cooling for dense receiver arrays for very high concentration photovoltaic systems. The present invention also includes a semi-dense receiver array that can provide a higher acceptance angle than a dense receiver array, and finally includes mutual-shading impact minimization methods and apparatus compatible with very high concentration photovoltaic systems.

Description

technical field [0001] The invention relates to the manufacture and arrangement of solar mirrors, concentrated photovoltaics, photovoltaic receivers, heat exchange devices and control systems for photovoltaic systems. Background technique [0002] Preformed glass mirrors provide the highest specular reflectivity while preformed parabolic glass channel segments typically press the glass mirrors onto a precisely curved parabolic mandrel while bonding the glass to a strong backing material Assemblies, locked into appropriate surfaces ("Sandwich Construction Solar Structural Facets", Sandia National Laboratories and "Further Analysis of Accelerated Exposure Testing of Thin-Glass Mirror", Kennedy et al., ES2007), or similarly, preform a backing material, then use a mandrel to bond the glass to the backing material (US Patent 7,550,054, Lasich), or use a precise mandrel to mold the glass face. But above-mentioned these methods all need a large amount of time and expensive mandrel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/18F24J2/38F24J2/52F28F1/00F28F3/08G02B27/62G02B5/10G02B7/182G02B7/188G02B7/198H01L31/042H01L31/052H01L31/058F24S23/71F24S50/20
CPCF24J2002/109H01L31/052F24J2/542Y02E10/42Y02E10/52H01L31/0522H01L31/05H01L31/0422F24J2/12F24S23/71F24S23/74F24S30/452F24S2023/876F28D15/0233H01L31/02H01L31/022425H01L31/0508H01L31/0547H01L31/056H01L31/18H02S20/00H02S40/425Y02E10/40
Inventor 理查德·诺曼弗雷德里克·德圣-克鲁瓦
Owner 理查德·诺曼
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