DE102006036704B3 - Thermal solar panel for absorbing heat radiation, has absorber inserted together with metallic plate into casing that is covered with glass plate, and space between plate and base of casing filled with granulated materials - Google Patents

Thermal solar panel for absorbing heat radiation, has absorber inserted together with metallic plate into casing that is covered with glass plate, and space between plate and base of casing filled with granulated materials Download PDF

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Publication number
DE102006036704B3
DE102006036704B3 DE102006036704A DE102006036704A DE102006036704B3 DE 102006036704 B3 DE102006036704 B3 DE 102006036704B3 DE 102006036704 A DE102006036704 A DE 102006036704A DE 102006036704 A DE102006036704 A DE 102006036704A DE 102006036704 B3 DE102006036704 B3 DE 102006036704B3
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Prior art keywords
absorber
plate
casing
metal sheet
solar collector
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Expired - Fee Related
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DE102006036704A
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German (de)
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Norman Kunz
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
    • F24S10/503—Solar heat collectors using working fluids the working fluids being conveyed between plates having conduits formed by paired plates, only one of which is plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
    • F24S10/55—Solar heat collectors using working fluids the working fluids being conveyed between plates with enlarged surfaces, e.g. with protrusions or corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
    • F24S80/54—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings using evacuated elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/60—Thermal insulation
    • F24S80/65—Thermal insulation characterised by the material
    • 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
    • Y02E10/44—Heat exchange systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Building Environments (AREA)

Abstract

The panel has an absorber (1) to absorb the heat radiation of the sun with an absorption surface that is aligned with respect to the sun, where the surface transfers a flowing liquid e.g. water. The absorption surface has an undulatedly designed metallic plate (2) that is connected with the absorber at the contact lines (4). The absorber is inserted together with the metallic plate into a casing that is covered with a glass plate (5). The space between the plate (2) and a base of the casing is filled with granulated materials (12) with small heat conductivity.

Description

Die Erfindung betrifft einen thermischen Sonnenkollektor gemäß dem Oberbegriff des Anspruchs 1.The The invention relates to a solar thermal collector according to the preamble of claim 1.

Aus der DE 20 2005 016 100 U1 ist ein derartiger thermischer Sonnenkollektor bekannt, der aus einem kastenförmigen Gehäuse besteht, in dem sich ein Kollektor in Sandwichbauweise befindet, der im Aufbau dem bekannten Wellpappekarton ähnelt. Dieser Kollektor besteht aus einer Bodenplatte und einer Deckplatte und einem dazwischen angeordneten Profilblech (Wellblech, Trapezblech oder Rechteckblech). Die obere Seite der Deckplatte ist schwarzmatt beschichtet, um die einfallende Sonnenstrahlung aufzunehmen. Da sich der ganze Kollektor erwärmt, also auch die Bodenplatte, geht ein großer Anteil der von der Sonne aufgenommenen Wärme durch Abstrahlung über die Bodenplatte wieder verloren.From the DE 20 2005 016 100 U1 Such a thermal solar collector is known, which consists of a box-shaped housing in which a collector is in sandwich construction, which is similar in structure to the known corrugated cardboard. This collector consists of a base plate and a cover plate and a profiled sheet arranged therebetween (corrugated metal sheet, trapezoidal sheet metal or rectangular sheet metal). The upper side of the cover plate is coated black matt to absorb the incident solar radiation. Since the whole collector heats up, including the bottom plate, a large proportion of the heat absorbed by the sun is lost again through radiation through the bottom plate.

Der Erfindung liegt die Aufgabe zugrunde, einen thermischen Sonnenkollektor der eingangs erwähnten Art so zu gestalten, dass die durch Abstrahlung auf der Schattenseite des Kollektors entstehenden Wärmeverluste verringert werden, so dass sich der Wirkungsgrad des Sonnenkollektors entsprechend erhöht.Of the Invention is based on the object, a thermal solar collector the aforementioned Art so that the by radiation on the dark side the collector heat losses incurred be reduced, so that the efficiency of the solar collector increased accordingly.

Diese Aufgabe wird mit den im Anspruch 1 angegebenen Merkmalen gelöst.These The object is achieved with the features specified in claim 1.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Further advantageous embodiments of the invention are specified in the subclaims.

Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, dass der thermische Sonnenkollektor aufgrund seiner Gestaltung einen besseren Wirkungsgrad hat und auch ohne ein schweres Gehäuse in sich stabil ist und einfach hergestellt werden kann, so dass eine billige Massenherstellung ermöglicht wird.The particular advantages of the invention are Because of its design, the solar thermal collector is better Has efficiency and is stable even without a heavy housing and can be easily made, making a cheap mass production allows becomes.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird im folgenden näher beschrieben. Es zeigenOne embodiment The invention is illustrated in the drawings and will be described in more detail below. Show it

1 einen Querschnitt durch einen erfindungsgemäßen Sonnenkollektor und 1 a cross section through a solar collector according to the invention and

2 eine Ansicht von unten auf einen für den Sonnenkollektor vorgesehenen Absorber mit dem erfindungsgemäßen wellenförmigen Metallblech. 2 a view from below of an intended for the solar collector absorber with the wave-shaped metal sheet according to the invention.

Der thermische Sonnenkollektor enthält einen Absorber 1, der mit einer zur Sonne gerichteten Absorptionsfläche die Wärmestrahlung der Sonne absorbiert und an eine strömende Flüssigkeit, beispielsweise Wasser, weiterleitet. Der Absorber 1 weist auf seiner von der Absorptionsfläche abgekehrten Oberfläche ein wellenförmig gestaltetes Metallblech 2 auf, das an den Berührungslinien 4 mit dem Absorber 1 wasserdicht verschweißt oder verklebt ist, wobei die somit parallel nebeneinander gebildeten Hohlräume 3 das strömende Wasser aufnehmen.The solar thermal collector contains an absorber 1 which absorbs the heat radiation of the sun with a sun-directed absorption surface and forwards it to a flowing liquid, for example water. The absorber 1 has on its surface facing away from the absorption surface a wave-shaped metal sheet 2 on, that at the touch lines 4 with the absorber 1 welded or glued watertight, wherein the thus formed parallel side by side cavities 3 absorb the flowing water.

An den Stirnseiten des wellenförmig gestalteten Metallblechs 2 sind Flüssigkeitskanäle 9, 10 angebracht, die je einen Schlauchanschluss 7, 8 aufweisen, über die das Wasser auf der einen Seite in die Hohlräume 3 hineinströmt und an der anderen Seite aus diesen wieder herausströmt, wie insbesondere in der 2 dargestellt ist.At the ends of the wavy metal sheet 2 are fluid channels 9 . 10 attached, each with a hose connection 7 . 8th have over which the water on one side in the cavities 3 flows in and flows out of these on the other side, as in particular in the 2 is shown.

Gemäß 1 ist der vorstehend beschriebene Absorber 1 zusammen mit dem wellenförmig gestalteten Metallblech 2 in ein Gehäuse 6 eingesetzt, das mit einer Glasplatte 5 abgedeckt ist. Der Raum zwischen dem wellenförmig gestalteten Metallblech 2 und dem Boden des Gehäuses 6 ist mit einem Granulat 12 gefüllt, das eine geringe Wärmeleitfähigkeit aufweist. Der verbleibende Raum zwischen dem Granulat 12 ist über einen Pumpstutzen 11 luftleer gepumpt. Durch das mit Granulat gefüllte Vakuum in dem Gehäuse wird die mechanische Stabilität weiter erhöht.According to 1 is the absorber described above 1 along with the wavy sheet metal 2 in a housing 6 used that with a glass plate 5 is covered. The space between the wavy metal sheet 2 and the bottom of the case 6 is with a granule 12 filled, which has a low thermal conductivity. The remaining space between the granules 12 is over a pump neck 11 vacuumed. The filled with granules vacuum in the housing, the mechanical stability is further increased.

11
Absorberabsorber
22
wellenförmiges MetallblechWavy sheet metal
33
Hohlräumecavities
44
Berührungsliniencontact lines
55
Glasplatteglass plate
66
Gehäusecasing
77
Schlauchanschlusshose connection
88th
Schlauchanschlusshose connection
99
Flüssigkeitskanalliquid channel
1010
Flüssigkeitskanalliquid channel
1111
Pumpstutzenpump connection
1212
Granulatgranules

Claims (6)

Thermischer Sonnenkollektor mit einem Absorber (1), der mit einer zur Sonne gerichteten Absorptionsfläche die Wärmestrahlung der Sonne absorbiert und an eine strömende Flüssigkeit weiterleitet und der auf seiner von der Absorptionsfläche abgekehrten Oberfläche ein wellenförmig gestaltetes Metallblech (2) aufweist, das an den Berührungslinien (4) mit dem Absorber (1) wasserdicht verbunden ist, wobei die somit parallel nebeneinander gebildeten Hohlräume (3) die strömende Flüssigkeit aufnehmen, dadurch gekennzeichnet, dass der Absorber (1) zusammen mit dem wellenförmig gestalteten Metallblech (2) in ein mit einer Glasplatte (5) abgedecktes Gehäuse (6) eingesetzt ist und dass der Raum zwischen dem wellenförmig gestalteten Metallblech (2) und dem Boden des Gehäuses (6) mit einem Granulat (12) mit geringer Wärmeleitfähigkeit gefüllt ist.Thermal solar collector with an absorber ( 1 ), which absorbs the heat radiation of the sun with a sun-directed absorption surface and passes it on to a flowing liquid and which, on its surface facing away from the absorption surface, forms a corrugated metal sheet ( 2 ), which at the contact lines ( 4 ) with the absorber ( 1 ) is connected in a watertight manner, the cavities thus formed parallel to each other ( 3 ) receive the flowing liquid, characterized in that the absorber ( 1 ) together with the wave-shaped metal sheet ( 2 ) in one with a glass plate ( 5 ) covered housing ( 6 ) is inserted and that the space between the wave-shaped metal sheet ( 2 ) and the bottom of the housing ( 6 ) with a granulate ( 12 ) is filled with low thermal conductivity. Sonnenkollektor nach Anspruch 1, dadurch gekennzeichnet, dass das wellenförmig gestaltete Metallblech (2) an den Berührungslinien (4) mit dem Absorber (1) verschweißt ist.Solar collector according to claim 1, characterized in that the wave-shaped metal sheet ( 2 ) at the contact lines ( 4 ) with the absorber ( 1 ) is welded. Sonnenkollektor nach Anspruch 1, dadurch gekennzeichnet, dass das wellenförmig gestaltete Metallblech (2) an den Berührungslinien (4) mit dem Absorber (1) mit einem Metallkleber verklebt ist.Solar collector according to claim 1, characterized in that the wave-shaped metal sheet ( 2 ) at the contact lines ( 4 ) with the absorber ( 1 ) is glued with a metal adhesive. Sonnenkollektor nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass an den Stirnseiten des wellenförmig gestalteten Metallblechs (2) Flüssigkeitskanäle (9, 10) mit je einem Schlauchanschluss (7, 8) angebracht sind, über die die Flüssigkeit auf der einen Seite in die Hohlräume (3) hineinströmt und an der anderen Seite aus diesen wieder herausströmt.Solar collector according to one of claims 1 to 3, characterized in that on the end faces of the wave-shaped metal sheet ( 2 ) Fluid channels ( 9 . 10 ) each with a hose connection ( 7 . 8th ), via which the liquid on one side into the cavities ( 3 ) flows in and on the other side flows out of these again. Sonnenkollektor nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der verbleibende Raum zwischen dem Granulat (12) über einen Pumpstutzen (11) luftleer gepumpt ist.Solar collector according to one of claims 1 to 4, characterized in that the remaining space between the granules ( 12 ) via a pump neck ( 11 ) is evacuated. Sonnenkollektor nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die strömende Flüssigkeit im Wesentlichen aus Wasser besteht.Solar collector according to one of claims 1 to 5, characterized in that the flowing liquid substantially from Water exists.
DE102006036704A 2006-08-05 2006-08-05 Thermal solar panel for absorbing heat radiation, has absorber inserted together with metallic plate into casing that is covered with glass plate, and space between plate and base of casing filled with granulated materials Expired - Fee Related DE102006036704B3 (en)

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DE102006036704A DE102006036704B3 (en) 2006-08-05 2006-08-05 Thermal solar panel for absorbing heat radiation, has absorber inserted together with metallic plate into casing that is covered with glass plate, and space between plate and base of casing filled with granulated materials

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DE102006036704A DE102006036704B3 (en) 2006-08-05 2006-08-05 Thermal solar panel for absorbing heat radiation, has absorber inserted together with metallic plate into casing that is covered with glass plate, and space between plate and base of casing filled with granulated materials

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009026913A2 (en) * 2007-09-02 2009-03-05 Norman Kunz Thermal solar collector
EP2300754A2 (en) * 2008-05-30 2011-03-30 Viessmann Werke GmbH & Co. KG Solar collector
CN102445008A (en) * 2011-12-08 2012-05-09 南京工业大学 Tower-type solar energy water/steam compound type plate fin hot plate type heat absorber
DE202012100491U1 (en) * 2012-02-14 2013-05-16 Rehau Ag + Co. solar collector
CN111947327A (en) * 2020-08-25 2020-11-17 长春工程学院 Novel solar photovoltaic photo-thermal air heat collector
DE102020003993A1 (en) 2020-06-29 2021-12-30 Daniel Wolf Trackable mirror system for focusing sunlight

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532995A1 (en) * 1995-09-07 1997-03-13 Messer Griesheim Gmbh Thermic solar energy collector
DE19606293C2 (en) * 1996-02-21 2002-09-19 Artec Engineering Gmbh Solar thermal collector
DE10037088C2 (en) * 2000-07-27 2003-11-13 Joerg Ortjohann Foil solar collector with transparent thermal insulation
DE10308993A1 (en) * 2003-03-01 2004-09-09 Wittenberger, Ernoe, Dipl.-Ing. Heat pipe heat exchanger construction for heat pipe solar collectors comprises a corrugated sheet steel absorber surrounded by a sealing plate and a pipe crossing channels while maintaining closed inner chambers
DE202005016100U1 (en) * 2005-10-13 2006-01-19 Caftanat, Sergiu, Dipl.-Ing. Solar thermo center for agriculture, has sandwich collectors via which heat carrier liquid flows and installed onto swiveling framework and pressure-breaking container, where liquid is heated in heat accumulator using heat exchanger

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532995A1 (en) * 1995-09-07 1997-03-13 Messer Griesheim Gmbh Thermic solar energy collector
DE19606293C2 (en) * 1996-02-21 2002-09-19 Artec Engineering Gmbh Solar thermal collector
DE10037088C2 (en) * 2000-07-27 2003-11-13 Joerg Ortjohann Foil solar collector with transparent thermal insulation
DE10308993A1 (en) * 2003-03-01 2004-09-09 Wittenberger, Ernoe, Dipl.-Ing. Heat pipe heat exchanger construction for heat pipe solar collectors comprises a corrugated sheet steel absorber surrounded by a sealing plate and a pipe crossing channels while maintaining closed inner chambers
DE202005016100U1 (en) * 2005-10-13 2006-01-19 Caftanat, Sergiu, Dipl.-Ing. Solar thermo center for agriculture, has sandwich collectors via which heat carrier liquid flows and installed onto swiveling framework and pressure-breaking container, where liquid is heated in heat accumulator using heat exchanger

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009026913A2 (en) * 2007-09-02 2009-03-05 Norman Kunz Thermal solar collector
WO2009026913A3 (en) * 2007-09-02 2009-05-07 Norman Kunz Thermal solar collector
EP2300754A2 (en) * 2008-05-30 2011-03-30 Viessmann Werke GmbH & Co. KG Solar collector
CN102445008A (en) * 2011-12-08 2012-05-09 南京工业大学 Tower-type solar energy water/steam compound type plate fin hot plate type heat absorber
DE202012100491U1 (en) * 2012-02-14 2013-05-16 Rehau Ag + Co. solar collector
DE102020003993A1 (en) 2020-06-29 2021-12-30 Daniel Wolf Trackable mirror system for focusing sunlight
CN111947327A (en) * 2020-08-25 2020-11-17 长春工程学院 Novel solar photovoltaic photo-thermal air heat collector

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