WO2006121686A3 - Reflecting photonic concentrator - Google Patents

Reflecting photonic concentrator Download PDF

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Publication number
WO2006121686A3
WO2006121686A3 PCT/US2006/016682 US2006016682W WO2006121686A3 WO 2006121686 A3 WO2006121686 A3 WO 2006121686A3 US 2006016682 W US2006016682 W US 2006016682W WO 2006121686 A3 WO2006121686 A3 WO 2006121686A3
Authority
WO
WIPO (PCT)
Prior art keywords
energy
trough
concentrator
array
reflecting
Prior art date
Application number
PCT/US2006/016682
Other languages
French (fr)
Other versions
WO2006121686A2 (en
Inventor
Christopher W Straka
Original Assignee
Christopher W Straka
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Christopher W Straka filed Critical Christopher W Straka
Priority to EP06752035A priority Critical patent/EP1886073A4/en
Priority to AU2006244561A priority patent/AU2006244561A1/en
Publication of WO2006121686A2 publication Critical patent/WO2006121686A2/en
Publication of WO2006121686A3 publication Critical patent/WO2006121686A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/80—Arrangements for concentrating solar-rays for solar heat collectors with reflectors having discontinuous faces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0038—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light
    • G02B19/0042—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light for use with direct solar radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/87—Reflectors layout
    • F24S2023/874—Reflectors formed by assemblies of adjacent similar reflective facets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Photovoltaic Devices (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Lenses (AREA)

Abstract

A linearly reflecting trough concentrator that receives spectral energy, preferably visible and near-infrared solar energy spectra, and linearly reflects that energy onto a smaller area on one side of the device, thereby concentrating the energy. The linearly reflecting trough concentrator has the geometry of a single slope-relief interval in a Fresnel lens, and in preferred embodiment comprises an array of heliostatic facets connected continuously to form the base of the trough, a non-imaging focal point where a photonic receiver is located, and a relief surface to connect the heliostatic array to the receiver location. When spectral energy enters the trough at an angle normal to the array's horizontal reference, the concentrator linearly reflects energy to one side of the device where an energy receiver is mounted. The concentrator comprises an array of heliostats oriented according to the negative profile of two interleaved linear Fresnel lens, where the slope of one is the relief of the other. The concentrator reflects energy above and to each side of the device. Optionally using a reflecting projector on one side of the device, energy is then doubly concentrated to the other side. The device offers higher concentration ratios with an equivalent trough depth than prior art reflective trough concentrators. The device requires less depth and offers a lower-profile than prior art reflecting concentrators with the same degree of concentration.
PCT/US2006/016682 2005-05-06 2006-05-02 Reflecting photonic concentrator WO2006121686A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06752035A EP1886073A4 (en) 2005-05-06 2006-05-02 Reflecting photonic concentrator
AU2006244561A AU2006244561A1 (en) 2005-05-06 2006-05-02 Reflecting photonic concentrator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/124,615 US20060249143A1 (en) 2005-05-06 2005-05-06 Reflecting photonic concentrator
US11/124,615 2005-05-06

Publications (2)

Publication Number Publication Date
WO2006121686A2 WO2006121686A2 (en) 2006-11-16
WO2006121686A3 true WO2006121686A3 (en) 2008-08-21

Family

ID=37392988

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/016682 WO2006121686A2 (en) 2005-05-06 2006-05-02 Reflecting photonic concentrator

Country Status (4)

Country Link
US (1) US20060249143A1 (en)
EP (1) EP1886073A4 (en)
AU (1) AU2006244561A1 (en)
WO (1) WO2006121686A2 (en)

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US7639423B2 (en) * 2005-08-10 2009-12-29 University of Central Florida, Research Foundation, Inc. Direct beam solar lighting system
US20090084374A1 (en) * 2007-06-13 2009-04-02 Mills David R Solar energy receiver having optically inclined aperture
US20100218807A1 (en) * 2009-02-27 2010-09-02 Skywatch Energy, Inc. 1-dimensional concentrated photovoltaic systems
AU2010226467A1 (en) * 2009-03-20 2011-09-22 Skyline Solar, Inc. Reflective surface for solar energy collector
US20100319684A1 (en) * 2009-05-26 2010-12-23 Cogenra Solar, Inc. Concentrating Solar Photovoltaic-Thermal System
US20110100418A1 (en) * 2009-11-03 2011-05-05 Palo Alto Research Center Incorporated Solid Linear Solar Concentrator Optical System With Micro-Faceted Mirror Array
US20110100419A1 (en) * 2009-11-03 2011-05-05 Palo Alto Research Center Incorporated Linear Concentrating Solar Collector With Decentered Trough-Type Relectors
US20110017267A1 (en) * 2009-11-19 2011-01-27 Joseph Isaac Lichy Receiver for concentrating photovoltaic-thermal system
US20110271999A1 (en) 2010-05-05 2011-11-10 Cogenra Solar, Inc. Receiver for concentrating photovoltaic-thermal system
US8686279B2 (en) 2010-05-17 2014-04-01 Cogenra Solar, Inc. Concentrating solar energy collector
ES2345427B2 (en) * 2010-05-19 2011-07-19 Universidad Politecnica De Madrid (90 %) SOLAR RADIATION CONCENTRATION DEVICE, WITH LONGITUDINAL MIRRORS AND RECEIVER.
US8669462B2 (en) 2010-05-24 2014-03-11 Cogenra Solar, Inc. Concentrating solar energy collector
ES2346629B8 (en) * 2010-07-20 2012-01-26 Universidad Politecnica De Madrid SOLAR RADIATION CONCENTRATOR, WITH MULTIPLE INDEPENDENT PARABOLIC MIRRORS.
US20140124014A1 (en) 2012-11-08 2014-05-08 Cogenra Solar, Inc. High efficiency configuration for solar cell string
US9270225B2 (en) 2013-01-14 2016-02-23 Sunpower Corporation Concentrating solar energy collector

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US4149817A (en) * 1975-07-24 1979-04-17 Nasa Primary reflector for solar energy collection systems and method of making same
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US4296737A (en) * 1979-12-05 1981-10-27 American Science And Engineering, Inc. Parabolic trough concentrating solar collector

Also Published As

Publication number Publication date
US20060249143A1 (en) 2006-11-09
EP1886073A2 (en) 2008-02-13
WO2006121686A2 (en) 2006-11-16
EP1886073A4 (en) 2009-12-30
AU2006244561A1 (en) 2006-11-16

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