DE102004002900A1 - Solar energy module is cooled by pumped cooling water circuit that has a heat exchanger behind the panel - Google Patents

Solar energy module is cooled by pumped cooling water circuit that has a heat exchanger behind the panel Download PDF

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Publication number
DE102004002900A1
DE102004002900A1 DE102004002900A DE102004002900A DE102004002900A1 DE 102004002900 A1 DE102004002900 A1 DE 102004002900A1 DE 102004002900 A DE102004002900 A DE 102004002900A DE 102004002900 A DE102004002900 A DE 102004002900A DE 102004002900 A1 DE102004002900 A1 DE 102004002900A1
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Germany
Prior art keywords
solar
solar module
module according
panel
heat exchanger
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Withdrawn
Application number
DE102004002900A
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German (de)
Inventor
Dietmar Maschke
Marcus Becker
Oliver Sachs
Mirijam Wolf
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Individual
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Priority to DE102004002900A priority Critical patent/DE102004002900A1/en
Publication of DE102004002900A1 publication Critical patent/DE102004002900A1/en
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
    • H01L31/0521—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • 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
    • 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
    • Y02E10/50—Photovoltaic [PV] energy
    • 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
    • Y02E10/60—Thermal-PV hybrids

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The solar energy panel [1] is mounted to provide optimum orientation. Located behind the panel is a heat exchanger [WT] through which water flows. The water is pumped [P] through distributor tubes [KV] in front of the panel and so provides cooling.

Description

Die Erfindung betrifft ein Solarmodul für die Umwandlung von Sonnenenergie in elektrischen Strom.The The invention relates to a solar module for the conversion of solar energy in electric current.

Ein Nachteil derartiger Anlagen besteht bislang darin, dass sich bei starker Sonneneinstrahlung die Module derart aufheizen, dass die Stromerzeugung ganz erheblich sinkt. Da die heiße Luft auch hinter den Modulen, die meist in Winkeln zwischen 25° und 45° dicht über den Dachplatten montiert werden, nach oben steigt, werden die obersten Module am heißesten. Da alle Zellen hintereinander geschaltet sind, begrenzen die heißesten Zellen den Gesamtstrom am meisten.One Disadvantage of such systems so far is that at strong solar radiation heat up the modules in such a way that the Power generation drops significantly. Because the hot air is also behind the modules, most in angles between 25 ° and 45 ° close to the Roof panels are mounted, rising up, become the topmost Modules hottest. Since all cells are connected in series, the hottest cells limit the total current the most.

Die vorliegende Erfindung hat daher die Aufgabe, durch geeignete Maßnahmen diesen Nachteil zu beheben, sprich für eine möglichst gleichmäßige Kühlung der Solarzellen zu sorgen. Die generelle Lösung dieser Aufgabe ist im kennzeichnenden Teil des Patentanspruchs 1 angegeben. Die Unteransprüche beinhalten vorteilhafte Ausgestaltungsmerkmale und Weiterbildungen des der Erfindung zugrunde liegenden Gedankens.The The present invention therefore has the object, by suitable measures to remedy this disadvantage, speak for the most even cooling the To provide solar cells. The general solution of this task is in characterizing part of claim 1. The dependent claims include advantageous features and refinements of the Invention underlying idea.

Die Zeichnungen samt Bezugszeichenliste und zugehöriger Beschreibung dienen der weiteren Erläuterung der Erfindung.The Drawings together with the list of reference numerals and associated description serve the further explanation the invention.

Es zeigenIt demonstrate

1 – ein Anlagenschema der Erfindung 1 - An installation scheme of the invention

2 – die Vorderansicht eines Solarmoduls in verkürzter Darstellung und 2 - The front view of a solar module in a shortened view and

3 – als Einzelheit eine Schnittdarstellung gemäß der Linie A-A aus 2 3 - As a detail, a sectional view along the line AA 2

Auf ein Photovoltaikmodul wird ein Aluminiumrahmen mit bruchsicherer Scheibe mit Antireflexionsoberfläche und wasserdichter Gummidichtung aufgespannt. Der Aluminiumrahmen ist unten mit vielen Düsen unterschiedlicher Größe so ausgestattet, dass Wasser oder eine andere klare Kühlflüssigkeit den schmalen Zwischenraum gleichmäßig durchströmen und ohne zusätzlichen Druckaufbau wieder verlassen kann. Der Solarmodulrahmen wird durch Querstreben verstärkt, um den Wasserdruck abzufangen.On a photovoltaic module becomes an aluminum frame with shatterproof Disc with anti-reflection surface and waterproof rubber seal clamped. The aluminum frame is down with many nozzles different size equipped so that Water or another clear coolant flow through the narrow space evenly and without additional Can leave pressure build-up again. The solar module frame is made by cross struts strengthened to catch the water pressure.

Im Sommer können die Solarmodule bis ca. 100°C heiß werden. Dadurch sinkt die Stromerzeugung sehr stark. Durch den aufgesetzten Kühlrahmen erfolgt über die Kühlflüssigkeit und einen Wärmetauscher eine starke Reduzierung der Temperatur. Die Leistung der Solarzellen steigt wesentlich an, und das gewonnene Warmwasser kann z. B. im Hausgebrauch verwendet werden.in the Summer can the solar modules up to approx. 100 ° C getting hot. As a result, power generation drops very much. Through the patch cooling frame over the cooling liquid and a heat exchanger a strong reduction in temperature. The performance of the solar cells increases significantly, and the recovered hot water can be z. B. in the home be used.

Eine vorhandene Dachfläche kann somit zur photovoltaischen Stromgewinnung und gleichzeitig zur Warmwassergewinnung optimal genutzt werden. Die Installation erfolgt mit dem Montagesystem für die Photovoltaik. Sie wird dadurch baulich sehr einfach.A existing roof surface can thus for photovoltaic power generation and at the same time Hot water production can be optimally used. The installation takes place with the mounting system for the Photovoltaics. It is structurally very easy.

Für die Erwärmung von Wasser in Schwimmbecken könnte dieses z.B. direkt durch die Kühlfläche gepumpt werden.For the warming of Water in swimming pools could this e.g. pumped directly through the cooling surface become.

Für den Winterbetrieb können die Kühlrahmen zudem abgenommen werden.For the winter operation can the cooling frame also be removed.

Alternativ kann eine frostsichere Kühlflüssigkeit verwendet werden und diese erwärmt durch den oder die Kühlrahmen geschickt werden, um Schnee abzutauen, der unter Umständen wochenlang auf den Modulen liegen bliebe und eine Stromerzeugung verhindert.alternative can be a frost-proof coolant be used and these heated through the cooling frame (s) be sent to defrost snow, which may take weeks remain on the modules and power generation prevented.

11
plattenförmiges Solarmodulplate-shaped solar module
1a1a
Solarzellensolar cells
22
Halterahmen für Pos. 1 und 1a Holding frame for pos. 1 and 1a
33
bruchsichere, antireflexionsbeschichtete Glasscheibeunbreakable, antireflection-coated glass pane
44
Rahmen der Kühlvorrichtung Kvframe the cooling device Kv
55
Dichtungpoetry
66
Verteilerleisterail
77
Verteilerleisterail
88th
Lochungperforation
BB
offener Ausgleichsbehälteropen surge tank
HH
Hohlraum für Kühlmittel Kmcavity for coolant km
Kmkm
Kühlmittelcoolant
KRKR
KühlkreislaufCooling circuit
KvKv
Kühlvorrichtungcooler
PP
Pumpepump
VV
VentilValve
WTWT
Wärmetauscherheat exchangers
S1 S 1
Plattenstirnseite (oben)Plate front side (above)
S2 S 2
Plattenstirnseite (unten)Plate front side (below)

Claims (6)

Solarmodul für die Umwandlung von Sonnenenergie in elektrischen Strom, gekennzeichnet durch die Zuordnung einer Kühlvorrichtung (Kv) zu den Solarzellen (1a).Solar module for the conversion of solar energy into electricity, characterized by the assignment of a cooling device (Kv) to the solar cells ( 1a ). Solarmodul nach Anspruch 1, bei dem eine Vielzahl von Solarzellen (1a) in einem Halterahmen (2) zu einem plattenförmigen Element (1) zusammengefasst sind, gekennzeichnet durch ein auf den Halterahmen (2) der Solarzellen (1a) aufgesetztes, von einer Kühlflüssigkeit durchströmtes, ebenfalls plattenförmiges Kühlelement (Kv).Solar module according to claim 1, wherein a Variety of solar cells ( 1a ) in a holding frame ( 2 ) to a plate-shaped element ( 1 ), characterized by a on the holding frame ( 2 ) of the solar cells ( 1a ), through which a cooling liquid flows, also plate-shaped cooling element (KV). Solarmodul nach den Ansichten 1 und 2, dadurch gekennzeichnet, dass das plattenförmige Kühlelement (Kv) aus einer bruchsicheren Glasscheibe (3) mit Antireflexionsoberfläche besteht, die über einen zum Halterahmen (2) der Solarzellen (1a) hin abgedichteten (5), weiteren Rahmen (4) mit Bildung eines Hohlraumes (H) zu den Solarzellen (1a) auf dem Halterahmen (2) letzterer lösbar aufgesetzt ist.Solar module according to the views 1 and 2, characterized in that the plate-shaped cooling element (Kv) from a shatterproof glass pane ( 3 ) with antireflection surface, which via a to the holding frame ( 2 ) of the solar cells ( 1a ) ( 5 ), further frameworks ( 4 ) with formation of a cavity (H) to the solar cells ( 1a ) on the support frame ( 2 ) the latter is detachably attached. Solarmodul nach mindestens einem der vorgehenden Ansprüche, gekennzeichnet durch Zuordnung eines Wärmetauschers (WT) im Kühlmittelkreislauf (KR).Solar module according to at least one of the preceding Claims, characterized by assignment of a heat exchanger (WT) in the coolant circuit (KR). Solarmodul nach Anspruch 3 dadurch gekennzeichnet dass als Kühlflüssigkeit (KM) Wasser dient, welches über je eine mit Lochungen (8) versehene Verteilerleiste (6 bzw 7) an einer der Plattenstirnseiten (S1) zu- und an der Stirnseite (S2) nach Durchströmen des Kühlhohlraumes (H) wieder abgeführt wird.Solar module according to claim 3, characterized in that as coolant (KM) water is used, which in each case one with perforations ( 8th ) provided distribution strip ( 6 respectively 7 ) on one of the plate end faces (S 1 ) and on the front side (S 2 ) is discharged again after flowing through the cooling cavity (H). Solarmodul nach Anspruch 5 gekennzeichnet durch unterschiedliche Dimensionierung der Lochungen (8) in den Verteilerleisten (6 bzw. 7).Solar module according to claim 5 characterized by different dimensioning of the perforations ( 8th ) in the distribution strips ( 6 respectively. 7 ).
DE102004002900A 2004-01-20 2004-01-20 Solar energy module is cooled by pumped cooling water circuit that has a heat exchanger behind the panel Withdrawn DE102004002900A1 (en)

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Application Number Priority Date Filing Date Title
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008027000A1 (en) 2008-06-05 2009-12-17 Institut für Kunststofftechnologie und -recycling eV Photovoltaic module useful in electronic and automobile industries, comprises heat dissipating backside encapsulation material, weather-resistant translucent layer, another translucent layer, solar cells and solid heat dissipating layer
EP2048454A3 (en) * 2007-10-10 2010-05-19 Deutsches Zentrum für Luft- und Raumfahrt e.V. Method for producing solar energy
DE102010013423A1 (en) 2009-07-31 2011-02-10 Rah-Solar Gmbh Solar collector, has front side solar electrical element that is cooled at rear side for using solar thermal energy, and cooling unit guided by control structure in form of structured thermoformed film or baffle
DE102011051507A1 (en) 2011-04-21 2012-10-25 Bpe E.K. solar device
EP2093808A3 (en) * 2008-02-20 2015-12-09 Alfonso Di Donato Multiple cooling systems of photovoltaic panels
EP2963809A1 (en) 2014-07-04 2016-01-06 Nuti, Pascal Hybrid solar panel
US9236515B2 (en) 2010-11-22 2016-01-12 Solaire 2G Hybrid solar panel
DE102016116700A1 (en) 2016-01-27 2017-07-27 Bpe E.K. Method for operating a solar device and solar device
CN108006806A (en) * 2017-12-29 2018-05-08 天津博帆科技发展有限公司 A kind of photovoltaic solar thermoelectric integral system and its method of work
EP3716474A1 (en) 2019-03-28 2020-09-30 BPE e. K. Method for increasing the efficiency of a photovoltaic installation and measuring device for supporting the method

Citations (10)

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Publication number Priority date Publication date Assignee Title
US4389533A (en) * 1981-03-09 1983-06-21 Ames Douglas A Photovoltaic device for producing electrical and heat energy
DE4307705A1 (en) * 1993-02-06 1994-08-11 St Speichertechnologie Gmbh Solar cell arrangement
FR2727790A1 (en) * 1994-12-02 1996-06-07 Cythelia Sarl Hybrid solar panel generating photovoltaic electricity and heat
DE19628036A1 (en) * 1996-07-11 1997-01-16 Andreas Hoch Sun light heat extraction method for solar collector - has free flowing heat transporting medium which also acts as heat absorbing medium
EP0788171A2 (en) * 1996-01-31 1997-08-06 Canon Kabushiki Kaisha Heat collector with solar cell and passive solar apparatus
DE29719900U1 (en) * 1997-11-08 1998-02-19 Labin Marek Power generation facility
DE19804685A1 (en) * 1998-02-06 1999-08-12 Schaefer Wolfgang Energy generating solar cell
DE19902650A1 (en) * 1999-01-24 2000-07-27 Mueller Gerald Patrick Process for the recovery of solar energy comprises using a thin layer solar cell and removing thermal energy using an air heat exchanger or a water heat exchanger below the cell
DE29908205U1 (en) * 1999-05-04 2000-09-07 Autokuehler Gmbh & Co Kg Device for converting solar energy into electrical energy and device on a building with such a device
WO2003001610A1 (en) * 2001-06-22 2003-01-03 Kunihide Tanaka Solar energy converter using optical concentration through a liquid

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389533A (en) * 1981-03-09 1983-06-21 Ames Douglas A Photovoltaic device for producing electrical and heat energy
DE4307705A1 (en) * 1993-02-06 1994-08-11 St Speichertechnologie Gmbh Solar cell arrangement
FR2727790A1 (en) * 1994-12-02 1996-06-07 Cythelia Sarl Hybrid solar panel generating photovoltaic electricity and heat
EP0788171A2 (en) * 1996-01-31 1997-08-06 Canon Kabushiki Kaisha Heat collector with solar cell and passive solar apparatus
DE19628036A1 (en) * 1996-07-11 1997-01-16 Andreas Hoch Sun light heat extraction method for solar collector - has free flowing heat transporting medium which also acts as heat absorbing medium
DE29719900U1 (en) * 1997-11-08 1998-02-19 Labin Marek Power generation facility
DE19804685A1 (en) * 1998-02-06 1999-08-12 Schaefer Wolfgang Energy generating solar cell
DE19902650A1 (en) * 1999-01-24 2000-07-27 Mueller Gerald Patrick Process for the recovery of solar energy comprises using a thin layer solar cell and removing thermal energy using an air heat exchanger or a water heat exchanger below the cell
DE29908205U1 (en) * 1999-05-04 2000-09-07 Autokuehler Gmbh & Co Kg Device for converting solar energy into electrical energy and device on a building with such a device
WO2003001610A1 (en) * 2001-06-22 2003-01-03 Kunihide Tanaka Solar energy converter using optical concentration through a liquid

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* Cited by examiner, † Cited by third party
Title
CHAPPELL,Terry,WHITE,Richard M.: Characteristics of a water absorber in front of silicon solar cell. In: Applied Physics Letters,Vol.28,No.8, 15.April 1976,S.422-423 *
CHAPPELL,Terry,WHITE,Richard M.: Characteristics of a water absorber in front of silicon solar cell. In: Applied Physics Letters,Vol.28,No.8, 15.April 1976,S.422-423;

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2048454A3 (en) * 2007-10-10 2010-05-19 Deutsches Zentrum für Luft- und Raumfahrt e.V. Method for producing solar energy
EP2093808A3 (en) * 2008-02-20 2015-12-09 Alfonso Di Donato Multiple cooling systems of photovoltaic panels
DE102008027000A1 (en) 2008-06-05 2009-12-17 Institut für Kunststofftechnologie und -recycling eV Photovoltaic module useful in electronic and automobile industries, comprises heat dissipating backside encapsulation material, weather-resistant translucent layer, another translucent layer, solar cells and solid heat dissipating layer
DE102010013423A1 (en) 2009-07-31 2011-02-10 Rah-Solar Gmbh Solar collector, has front side solar electrical element that is cooled at rear side for using solar thermal energy, and cooling unit guided by control structure in form of structured thermoformed film or baffle
US9236515B2 (en) 2010-11-22 2016-01-12 Solaire 2G Hybrid solar panel
EP3032736A1 (en) 2010-11-22 2016-06-15 Solaire 2G Method for manufacturing a hybrid solar panel
DE102011051507A1 (en) 2011-04-21 2012-10-25 Bpe E.K. solar device
WO2012143003A2 (en) 2011-04-21 2012-10-26 Bpe E. K. Solar device
EP2963809A1 (en) 2014-07-04 2016-01-06 Nuti, Pascal Hybrid solar panel
DE102016116700A1 (en) 2016-01-27 2017-07-27 Bpe E.K. Method for operating a solar device and solar device
CN108006806A (en) * 2017-12-29 2018-05-08 天津博帆科技发展有限公司 A kind of photovoltaic solar thermoelectric integral system and its method of work
EP3716474A1 (en) 2019-03-28 2020-09-30 BPE e. K. Method for increasing the efficiency of a photovoltaic installation and measuring device for supporting the method

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