US20110067692A1 - Solid core structure parabolic trough solar energy collection system - Google Patents

Solid core structure parabolic trough solar energy collection system Download PDF

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Publication number
US20110067692A1
US20110067692A1 US12/854,881 US85488110A US2011067692A1 US 20110067692 A1 US20110067692 A1 US 20110067692A1 US 85488110 A US85488110 A US 85488110A US 2011067692 A1 US2011067692 A1 US 2011067692A1
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US
United States
Prior art keywords
collector
collector according
reflective
fitting
core
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US12/854,881
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English (en)
Inventor
Kip H. Dopp
Darren T. Kimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SOPOGY Inc
Original Assignee
SOPOGY Inc
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 SOPOGY Inc filed Critical SOPOGY Inc
Priority to US12/854,881 priority Critical patent/US20110067692A1/en
Assigned to SOPOGY, INC. reassignment SOPOGY, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DOPP, KIP H., KIMURA, DARREN T.
Publication of US20110067692A1 publication Critical patent/US20110067692A1/en
Assigned to ROGERS, HENK reassignment ROGERS, HENK SECURITY AGREEMENT Assignors: SOPOGY, INC.
Abandoned legal-status Critical Current

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Classifications

    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S2025/01—Special support components; Methods of use
    • F24S2025/012—Foldable support elements
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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

Definitions

  • the collectors are formed into partial parabolic shapes whereby two or more pieces are used to form a complete parabolic trough collector. This design allows for efficient nesting of the pieces thereby minimizing shipping costs and reducing manufacturing costs.
  • a reflective element may then be applied. The reflective elements may also be applied to the foam material prior or during the creation of the parabolic form.
  • FIG. 5 illustrates two panels forming the wings, which may fit together using an H-clip that also attaches a stanchion.
  • FIG. 7 illustrates a foam material with end caps, cowlings and inserts for a support structure.
  • the foam material 201 ( FIG. 2 ), 2601 ( FIG. 26 ) may be shaped into its desired panel shape by hot wire cutting one or more foam blanks 302 such as one or more blocks of foam using a CNC machine 301 , or by using a laser cutting machine or other device.
  • a plurality of cores are formed simultaneously by using hot wires 303 to cut one or a plurality of foam blanks. Multiple cores are therefore formed simultaneously from polymer blanks.
  • the foam blank may be molded and cut into one or more cores 201 close to the location of any given project site thereby reducing shipping costs.
  • slicing a foam blank provides cores than are “skinless” as compared to a core that is formed in a mold.
  • a core cut from a polymeric blank has little to no skin. Any skin formed by slicing a foam blank using hot wires or laser cutting is typically quite thin and/or discontinuous and is believed to be thinner overall than skin formed during polymerization in a mold.
  • a core formed in a mold typically has a skin with physical properties much different from the bulk foam beneath the skin. When a core is sliced from a foam blank, the surface of the core is very much like the bulk foam beneath the surface. The core sliced from a blank is therefore expected to be more uniform than a core formed in a mold. Methods of slicing a core from a blank therefore provide a skinless core as distinguished from a polymeric core formed in a mold.
  • the core supports reflective element panels or panel segments 601 , 2602 that are placed onto the formed foam surface 602 , 2603 .
  • One or more reflective panels 601 , 2602 may form the reflective surface upon the support structure.
  • the reflective element may be a flexible material such as polished aluminum, aluminum laminated with reflective Mylar, or other suitable material such as epoxy sputtered with silver or a glass mirror.
  • a flexible aluminum panel polished to a mirror finish is used as the reflective element.
  • the reflective element may be flexible so that a flat sheet of the reflective element can be bent into the desired shape at room temperature and pressure, or the reflective element may be rigid at room temperature and pressure but capable of being deformed into the desired shape using heat and optionally pressure or vacuum.
  • the end arms 901 , 3301 may be similar to the end arms described in prior patent applications incorporated by reference herein.
  • the support structure may have transverse end arms 901 , 3301 which provide further rigidity to the support structure and resistance to flexure and/or torsion.
  • the end arms 901 , 3301 located at either end of the collector, are identical and may be attached to a stand. Additionally, the end arm 901 , 3301 may rotate as one unit about the longitudinal axis.
  • An end arm 505 as illustrated in FIG. 5 may be formed by stamping or otherwise cutting the end arm from sheet-metal.
  • An end arm can be a single piece of material such as metal stamped from sheet-stock, so that the end arm depicted in FIG. 5 has a generally “T”- or “Y”-shaped structure.
  • an end arm may be formed using two pieces as shown in FIG. 5 that each have a generally “L”-shaped structure.
  • the two stampings may be identical and positioned together during assembly to provide a generally “T- or “Y”-shaped structure when the support structure is viewed from the side.
  • An end arm 901 may be formed from individual fittings such as welded, die cast, or molded fittings that are formed to accept tubing, rods, or other fitting couplers and attach to the wings.
  • the fittings may comprise a bottom fitting 3302 that engages with bottom cowling of adjacent arc-shaped reflectors, an end fitting 3303 that engages with an arc-shaped reflector 3305 (two of which are shown stacked awaiting assembly to the end arms), and a hub fitting 3304 .
  • An end fitting may also optionally have a flat rectangularly-shaped surface 3322 along an edge of the end-fitting so that e.g. a flat bar 2901 ( FIG. 29 ) can be attached upon the edge of adjacent collectors to gang the collectors together and therefore move multiple collectors simultaneously using a single motor and drive sprocket.
  • a flat bar 2901 FIG. 29
  • a hub fitting 3304 may have the locator tube collar mentioned previously, an end of which is depicted as 3312 in FIG. 33 and the collar end of which is seen as 2809 in FIG. 28 . As shown in these figures and in FIG. 23 , a locator tube collar 2301 , 2809 of the hub fitting 3304 may be used to connect the end arms 901 perpendicular to the locator tube 2201 .
  • the hub fitting may have means for mounting a drive sprocket 3001 as seen in FIG. 30 . Such means include holes 2810 ( FIG.
  • a hub fitting 3304 also may have holes 3321 extending radially from the hub and into which couplers 3317 , 3320 insert to couple a plurality of end fittings and one or a plurality of bottom fittings.
  • the locator tube 2201 inserts through the locator tube collar 2301 , 2809 of the hub fitting and engages with a bearing.
  • corner end panel interconnect 1001 that serves to tie the end caps 1102 to the cowlings 702 structurally, providing for extra strength and support.
  • the corner end panel interconnect 1001 may be made of any suitable rigid material, preferably aluminum (polished or unpolished) or a metal such as stainless steel that has high rigidity. It is either die cast or metal stamped into its desired shape.
  • An interconnect may also be a section of flat bar 2901 ( FIG. 29 ), for instance.
  • end fitting may have a flat rectangularly-shaped surface 3322 along an edge of the end-fitting so that e.g. flat bar 2901 can be attached to the edge of adjacent collectors to gang the collectors together and therefore move multiple collectors simultaneously using a single motor and drive sprocket.
  • a longitudinal collector tube 1301 , 2801 similar to that described in prior patent applications incorporated by reference above, may be positioned with the parabola to receive light and solar thermal energy reflected by a parabolically-shaped reflective panel of a solar energy collector.
  • the collector or receiver tube 1301 , 2801 may have a working fluid, preferably an oil, Freon or water, working through the interior of the pipe.
  • the receiver tube 1301 may connect to a joint or pass through a locator tube collar 2301 ( FIG. 23 ) ( 3312 of hub 3304 in FIG. 33 ) and locator tube 2201 ( FIG. 22 ) joined to a stand 2401 ( FIG. 24 ) that supports the support structure.
  • Each support structure may have its own receiver tube 1301 , 2801 that joins to adjacent receiver tubes through joints, hoses, or other types of connectors typically used in joining tubes that will undergo thermal expansion and contraction.
  • a single receiver tube 1301 , 2801 may be used for ganged support structures or for two or three adjacent support structures.
  • a U-bolt assembly may be used to fasten the receiver tube bearing 1501 , described below, to the stanchion 1401 . thereby allowing for adjustability of the receiver tube 1301 .
  • the U-bolt assembly shown in FIGS. 15-1 8 which is secured by nuts, extends in a “U” shape through the bottom of the stanchion 1401 , around the receiver tube bearing 1501 , and back through the other side of the stanchion. Additionally, there may be a bolt extending through the bottom of a bracket where the “U” bolt is attached. This allows for height adjustments of the receiver tube bearing 1501 centering the receiver tube 1301 .
  • silicone 1901 preferably, or another resilient polymer, organic or inorganic gel, ceramic or metals able to withstand high temperatures as described in prior patent applications incorporated by reference above, may be used to support the glass envelope 2001 and serve as an end seal.
  • the silicone foam gaskets 1901 are placed at the ends of the glass envelope 2001 between the receiver tube 1301 and the glass and are clamped down by a bracket secured with bolts.
  • a glass envelope may be a telescoping envelope as illustrated in FIG. 36 .
  • One glass tube 3601 nests within a second glass tube 3602 around a collector tube 3603 .
  • the nested tubes are placed over the collector tube, and subsequently the outer glass tube is slid along the inner glass tube so that one of the tubes can be secured to a side of the stanchion and the other of the glass tubes can be secured to or in the vicinity of the locator tube collar 3312 of the hub 3304 of FIG. 33 .
  • a locator tube 2201 may be used to support a solar collector, as well as to join two solar collectors together.
  • the tube 2201 which extends through an end arm 901 , may be made of any suitable rigid material, preferably aluminum (polished or unpolished) or a metal such as stainless steel that has high rigidity.
  • the locator tube 2201 rests on a stand 2401 , described below, allowing it to rotate around the receiver tube 1301 .
  • the locator tube 2201 may also contain a keyway or a key which allows it to drive the locator tube collar 2301 described below.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Photovoltaic Devices (AREA)
  • Road Signs Or Road Markings (AREA)
  • Aerials With Secondary Devices (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
US12/854,881 2009-08-11 2010-08-11 Solid core structure parabolic trough solar energy collection system Abandoned US20110067692A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/854,881 US20110067692A1 (en) 2009-08-11 2010-08-11 Solid core structure parabolic trough solar energy collection system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27404609P 2009-08-11 2009-08-11
US12/854,881 US20110067692A1 (en) 2009-08-11 2010-08-11 Solid core structure parabolic trough solar energy collection system

Publications (1)

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US20110067692A1 true US20110067692A1 (en) 2011-03-24

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Family Applications (1)

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US12/854,881 Abandoned US20110067692A1 (en) 2009-08-11 2010-08-11 Solid core structure parabolic trough solar energy collection system

Country Status (9)

Country Link
US (1) US20110067692A1 (de)
EP (1) EP2464919A2 (de)
CN (1) CN102549351A (de)
AU (1) AU2010282524A1 (de)
IN (1) IN2012DN01508A (de)
MA (1) MA33572B1 (de)
MX (1) MX2012001780A (de)
PH (1) PH12012500289A1 (de)
WO (1) WO2011019860A2 (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110100358A1 (en) * 2009-09-04 2011-05-05 Randal Jerome Perisho Low Cost Fixed Focal Point Parabolic Trough
WO2013016828A1 (en) 2011-08-04 2013-02-07 6637418 Canada Inc. Carrying On Business As Rackam Solar concentrators, method of manufacturing and uses thereof
WO2013126534A1 (en) * 2012-02-22 2013-08-29 Matalon Energy, Llc D/B/A Solarx Energy Hybrid solar collector
US20130240473A1 (en) * 2012-03-16 2013-09-19 Howard Harrenstien Uniform tension distribution mechanism for stretched membrane solar collectors
US20130341294A1 (en) * 2012-05-02 2013-12-26 Gossamer Space Frames Brake system and method for a rotating frame in a solar power generation system
CN104266395A (zh) * 2014-06-30 2015-01-07 赵小峰 一种框架以及具有该框架的太阳能集热装置
WO2015089273A1 (en) * 2013-12-11 2015-06-18 Norwich Technologies, Inc. Advanced cavity receivers for parabolic solar troughs
US10208984B2 (en) 2016-07-12 2019-02-19 King Abdulaziz University Foldable parabolic solar collector
WO2021021916A1 (en) * 2019-07-30 2021-02-04 Opti-Harvest, Inc. Trellis panels for sunlight delivery, shoot positioning, and canopy division
WO2023187373A1 (en) * 2022-03-29 2023-10-05 Improved Energy Ltd Solar collectors
USD1028646S1 (en) 2021-04-30 2024-05-28 Opti-Harvest, Inc. Canopy unit for light harvesting

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DE102009033490A1 (de) * 2009-07-15 2011-01-20 Solarlite Gmbh Segment eines Solarkollektors sowie Solarkollektoren
DE102011089057A1 (de) * 2011-12-19 2013-06-20 Johannes Fürst zu Waldburg-Wolfegg und Waldsee Halterung für ein Absorberrohr sowie Kollektor eines Parabolrinnenkraftwerkes
CN102944074A (zh) * 2012-10-22 2013-02-27 上海庆华蜂巢建材有限公司 一种反射聚能板
MA39834A (fr) 2014-05-13 2015-11-19 Massachusetts Inst Technology Réflecteur cylindro-parabolique de faible coût conçu pour une énergie solaire concentrée
CN105270702B (zh) * 2015-09-29 2017-07-07 航天材料及工艺研究所 一种大直径薄壁箱体的球冠面箱底泡沫塑料等厚加工装置及方法
CN105865048A (zh) * 2016-06-28 2016-08-17 迈兰福（上海）机械科技有限公司 一种低成本太阳能聚光集热装置
RU2687888C1 (ru) * 2018-08-09 2019-05-16 Дахир Курманбиевич Семенов Гелиоэнергетическая система
ES1262841Y (es) * 2021-02-15 2021-06-04 Ingenergio Tech S L U Instalacion de concentracion solar de tipo cilindro parabolico paracompensar la expansion termica de al menos un tubo colector de calor

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US8069849B2 (en) * 2009-02-13 2011-12-06 Matalon Energy, Llc Parabolic solar collector
US20120060831A1 (en) * 2009-02-13 2012-03-15 Matalon Energy, Llc Parabolic solar collector
US8470425B2 (en) * 2009-10-01 2013-06-25 Milliken & Company Composite cores and panels
US20130056000A1 (en) * 2010-05-14 2013-03-07 Dow Corning Corporation Solar Reflection Apparatus

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110100358A1 (en) * 2009-09-04 2011-05-05 Randal Jerome Perisho Low Cost Fixed Focal Point Parabolic Trough
WO2013016828A1 (en) 2011-08-04 2013-02-07 6637418 Canada Inc. Carrying On Business As Rackam Solar concentrators, method of manufacturing and uses thereof
WO2013126534A1 (en) * 2012-02-22 2013-08-29 Matalon Energy, Llc D/B/A Solarx Energy Hybrid solar collector
US20130240473A1 (en) * 2012-03-16 2013-09-19 Howard Harrenstien Uniform tension distribution mechanism for stretched membrane solar collectors
US20130341294A1 (en) * 2012-05-02 2013-12-26 Gossamer Space Frames Brake system and method for a rotating frame in a solar power generation system
WO2015089273A1 (en) * 2013-12-11 2015-06-18 Norwich Technologies, Inc. Advanced cavity receivers for parabolic solar troughs
EP3111146A4 (de) * 2013-12-11 2017-11-15 Norwich Technologies Inc. Empfänger mit fortgeschrittener resonanz für parabolische solarrinnen
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PH12012500289A1 (en) 2012-10-22
WO2011019860A3 (en) 2011-05-05
MX2012001780A (es) 2012-04-30
IN2012DN01508A (de) 2015-06-05
AU2010282524A1 (en) 2012-03-08
EP2464919A2 (de) 2012-06-20
MA33572B1 (fr) 2012-09-01
WO2011019860A8 (en) 2011-07-21
CN102549351A (zh) 2012-07-04
WO2011019860A2 (en) 2011-02-17

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