Light Collection and Concentration System

a technology applied in the field of light collection and concentration system, can solve the problems of increasing system cost and system failure rate, affecting the performance of lighting and heating equipment, and unable to meet the needs of alternative forms of energy production for commercial and residential settings, and achieve the effect of facilitating light propagation

Inactive Publication Date: 2010-05-13
ABENGOA SOLAR NEW TECH SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Despite this longstanding effort and the enormous resources devoted to it, solar energy systems available today are not competitive in terms of cost and efficiency with alternative forms of energy production for commercial and residential settings.
The resulting increase in number of components raises both the system cost and potential system failure rate.

Method used

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  • Light Collection and Concentration System
  • Light Collection and Concentration System

Examples

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Embodiment Construction

[0036]FIG. 3 schematically shows a cross sectional portion of a light collection and concentration unit-system 100-1 according to an illustrative embodiment of the invention that provides a general overview of the system components, system configuration, and system operation. As illustrated, solar radiation (light) 301 is incident upon primary light concentrators 302n. Through refraction, reflection, or diffraction as determined by the nature of the primary light concentrators, the light 301 is concentrated at respective regions 305n, shown as focal spots in a focal plane. Respective light directing structures 306n intercept the focal spots of light and provide a means for injecting the light into a unit-system's single transport structure 350 and directing it to propagate within the transport structure in the direction of arrows 313. As shown by the increasing boldness of the arrows 313 in the propagation direction, the light intensity propagating towards the right in FIG. 3 increa...

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Abstract

A light collection and concentration system includes a primary light concentrator, a light transport structure, and a light directing structure optically associated with the primary light concentrator. The system may include an optional secondary light concentrator. Each unit-system includes a plurality of the primary light concentrators and a respective plurality of the light directing structures, and only a single light transport structure. A photo-voltaic (PV) cell may advantageously be associated with each unit-system. Solar radiation is focused by the primary concentrators onto respective light directing structures incorporated in a low aspect ratio, sheet-type waveguide light transport structure. Each respective light directing structure intercepts the focused light and deflects it transversely to travel along the length of the light transport structure primarily via total internal reflection (TIR) towards an exit-end of the light transport structure, where it can be input to the PV cell. The optional secondary light concentrator may further concentrate the light out-coupled from the transport structure into the PV cell.

Description

RELATED APPLICATION DATA[0001]The instant application claims priority to Spanish priority application No. P200803237 filed in the Spanish Patent and Trademark Office on Nov. 12, 2008.BACKGROUND[0002]1. Field of the Invention[0003]Embodiments of the invention generally pertain to a light collection and concentration system. More particularly, embodiments on the invention are directed to a solar radiation collection and concentration system and components thereof; methods for light collection, transport, and concentration; and applications of said solar radiation collection and concentration system and components thereof; and, most particularly to a solar energy-concentrated photo-voltaic (CPV) system.[0004]2. Description of Related Art[0005]Numerous solar energy systems and components that make up these systems have been proposed and developed over the 20th century to present. Despite this longstanding effort and the enormous resources devoted to it, solar energy systems available to...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H01L31/00F24S23/00F24S23/30
CPCG02B3/08Y02E10/44Y02E10/52G02B3/0037G02B6/0038G02B6/0048F24S23/10H01L31/0543F24S23/00F24S23/70F24S23/12F24S23/31F24S23/30H01L31/0547H01L31/054
Inventor MARTINEZ ANTON, JUAN CARLOSPERELES LIGERO, OSCARVAZQUEZ MOLINI, DANIELBERNABEU MARTINEZ, EUSEBIO
Owner ABENGOA SOLAR NEW TECH SA
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