EP2313933A2 - Utilisation de l'énergie solaire - Google Patents

Utilisation de l'énergie solaire

Info

Publication number
EP2313933A2
EP2313933A2 EP09761230A EP09761230A EP2313933A2 EP 2313933 A2 EP2313933 A2 EP 2313933A2 EP 09761230 A EP09761230 A EP 09761230A EP 09761230 A EP09761230 A EP 09761230A EP 2313933 A2 EP2313933 A2 EP 2313933A2
Authority
EP
European Patent Office
Prior art keywords
solar
heat
metal
combi
panel
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.)
Withdrawn
Application number
EP09761230A
Other languages
German (de)
English (en)
Inventor
Alexander Stoev
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.)
Woodward Switzerland GmbH
Original Assignee
IDS HOLDING AG
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 IDS HOLDING AG filed Critical IDS HOLDING AG
Publication of EP2313933A2 publication Critical patent/EP2313933A2/fr
Withdrawn legal-status Critical Current

Links

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
    • F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
    • F24S10/755—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations the conduits being otherwise bent, e.g. zig-zag
    • 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
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • 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
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49364—Tube joined to flat sheet longitudinally, i.e., tube sheet

Definitions

  • the invention relates to an embodiment for a solar combi panel, with the one hand, the extraction of electrical energy maximizes and at the same time a substantial part of the incident energy to the module is used thermally according to claim 1 and a method according to claim 16.
  • Solar energy is currently used in two main ways, thermally or electrically.
  • the thermal utilization is in the simplest case in that the incident on a dark body solar radiation heats it and this heat energy is guided by means of a heat transfer medium to a thermal consumer.
  • a radiation intensity 1 kW / m 2 and up to 80% with complex solar collectors.
  • the goal is to convert the highest possible proportion of the total solar radiation into electricity. This happens through the use of solar cells.
  • Current large area solar cells made of silicon, assembled in so-called solar panels, depending on the design, can convert about 5% to about 20% of the total radiation into direct current, ie about 50 W / m 2 to 200 W / m 2 .
  • the remaining 95% to 80% of the total radiation undesirably heat the panel and the solar cells contained therein, thereby reducing their efficiency by up to about 0.5% / ° C.
  • the non-electric energy is absorbed by the environment and therefore can not be used.
  • PVT panels Photo Voltaic Thermal Panels
  • a common, mostly specially insulated housing of typically about 1 m 2 upper area there are both a Soiarzellenanodnung according to a conventional panel, as well as an air or water heat exchanger, which construction area and, accordingly, construction material is saved.
  • the object of the invention is to propose a new design which is based on standard modules and achieves the following:
  • the infrastructure solar cells are usually built on a glass plate as a support, a reduction of the specific weight and volume of the thermal part of the module, low production costs through the use of standard materials for the required heat exchanger, free choice of coolant in particular the possibility of a process water cooling (or heating), cool operation of the module for increasing the solar conversion efficiency,
  • the task is solved by a solar combi-panel, which on the one hand maximizes the production of electrical energy and at the same time thermally utilizes a substantial part of the energy impinging on the module.
  • FIGS. Show it: Fig. 1 Rear view of a frameless solar combi-panel with heat exchanger and insulation
  • FIG.4 Detail of the rear view of a solar combi panel with zigzag-like arranged metal pipes
  • FIG. 5 Rear view of a solar combi panel as a second embodiment
  • a frameless solar panel 10 with the dimensions of approx. 1 m x 1.3 m has a standard design as a large tile for roof integration.
  • a metal tube 2 preferably an aluminum tube, is meander-like, which is flowed through by a cooling liquid, preferably water, and forms the heat exchanger.
  • connections 3, 3 ' are attached to the pipe ends 4, 4', via which the solar panel is connected to a cooling circuit.
  • the solar panel has approximately square or rectangular aluminum heat distributor plates or heat collecting plates 5 which cover the entire remaining panel surface to be cooled almost completely.
  • aluminum adhesive plates 6, are glued into the aluminum tubes 2. The aluminum adhesive plates 6 serve to heat-contact the aluminum tubes 2 with the heat collecting plates 5, and will be described later in detail.
  • FIG. 2 shows a side view to FIG. 1.
  • the frameless solar panel 10, the connection 3 in the overlapping area and the aluminum tubes 2 can be seen.
  • a thermal back insulation 8 is optionally attached, with which an excessive heat loss is prevented.
  • the aluminum for the pipes another good heat-conducting metal in question. It is conceivable in addition to the aluminum Use of copper, iron, steel and their alloys. In addition to thermal conductivity, ductility, strength and processability play an important role.
  • Fig. 3 shows the aluminum adhesive plate with the heat-contacted tube 2 in section.
  • the aluminum adhesive plate 6 has a thickness of 0.5 - 2 mm and has a Kanell réelle 9 in the middle.
  • Fig. 4 shows a section of the rear view of a solar combi-panel with zigzag arranged metal pipes. Visible are the metal tubes 2, the terminals 3, 3 ', the electrical connection box 7 and the aluminum adhesive plates 6. On the aluminum adhesive plates 6, the metal pipes are mounted diagonally, with a pipe bend of about 90 °, a zigzag-like arrangement the metal tubes results.
  • the standard structure of a solar module generally consists of a glass plate of a few mm thickness, which serves as a mechanical support of the solar cells. The latter are embedded in a molten foil together with the electrical connections between the cells.
  • the backsheet (topcoat) of the module is generally made of a tough plastic film that is also firmly bonded to the module sandwich.
  • the cover layer is first covered with a number of thin aluminum plates, which as
  • Plates with a small lateral spacing of about 1% of the plate side dimensions applied to the topcoat are used.
  • a well-adhesive, permanently elastic adhesive in a small layer thickness of about 0.1 to 0.3 mm is used. It is beneficial to the
  • the adhesive used has a thermal conductivity of 0.7 - 2.0, preferably 1, 0 W / mK.
  • a cannulated aluminum adhesive plate 6 is used with 0.5 to 2 mm thickness and a thermally conductive adhesive connected to the cooling tube.
  • the aluminum adhesive plate 6 is in turn also semi-flexible over a very thin adhesive layer with the
  • Heat collecting sheets 5 connected. This creates on the one hand a sufficiently good thermal connection from the module to the cooling water, on the other hand, the cooling tube is securely fixed.
  • the water connection points 4, 4 ' are located on the left and right next to the electrical connection box 7.
  • these may include the heat pipe assembly including the cooling tube assembly
  • the thermal expansions of the materials involved must be taken into account.
  • the most urgent measure here is to achieve a certain mechanical decoupling of the heat exchanger structure from the base module.
  • the cooling tube meander In order to keep the expansion forces small, the cooling tube meander must, if possible, be subdivided into sections which, from one tube bend to the next tube bend, are generally smaller than half the narrow side of the module.
  • all bonds are made by means of permanently elastic adhesive, so that the construction allows a few tenths of a mm of elongation, without undue bending forces being exerted on the solar module.
  • a reduction of the mechanical stress and increase of the permissible temperature differences between cooling water and carrier glass of the solar module can be achieved in an advantageous manner by diagonal guidance of the cooling tube, as shown in Fig. 4.
  • the heat-conducting bonding of the aluminum plates is done analogously as described above.
  • the cooling arrangement is expediently subdivided into surface parts, one of these surface parts corresponding at most to the masses of the exemplary embodiment described above.
  • a particularly advantageous embodiment of the solar Komboi panel used fluted metal heat collecting plates, which can be dispensed with the use of metal adhesive plates.
  • the thermal utilization is preferably via heat pumps.
  • winter operation can be related to thawing purposes of the solar modules with appropriate design of the probes or heat exchanger for a short time.
  • the winter operation takes place at about 50 ° in order to use as much heat as possible and to require little power for the heat pump or on the pump entirely to be able to do without.
  • the summer operation takes place at about 25 ° in order to keep the electrical efficiency as high as possible.
  • FIG. 5 shows the rear view of a solar combi panel as a second embodiment.
  • the solar panel here consists of 6 x 10 square cells 11 of 150 mm x 150 mm.
  • the Aiu heat collecting sheets are bonded with 150 mm x 150 mm and a thickness of 1, 0 mm.
  • the heat exchanger is designed as an aluminum tube of 8 mm diameter in a double guide, whereby the aluminum tube is guided twice over the aluminum heat collecting plates.
  • a first meander-like guided aluminum tube 12, 12 ' alternates with a second meander-guided aluminum tube 13, 13', so that over each aluminum heat collecting plate 5, both the first aluminum tube 12 and the second aluminum tube 13 out becomes.
  • With a connector 15 first and second aluminum tubes are connected.
  • the denomination or the segmentation of the solar module by commercially available photovoltaic modules are used (eg IDS Solar AG, Sofia, Bulgaria).
  • PVM photovoltaic modules
  • the problems of thermal expansion can be controlled.
  • the result is a minimization of the power transmission of the heat exchanger to the solar panel, or on the photo-voltaic modules.
  • the use of aluminum results in a lightweight design for a solar combi panel with low production costs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (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)
  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne un panneau solaire combiné constitué d'un panneau solaire et d'un échangeur de chaleur. Le panneau solaire combiné selon l'invention présente sur la face arrière d'un panneau solaire (10) un échangeur de chaleur tubulaire grâce auquel le panneau solaire peut constamment fonctionner dans la gamme de températures optimale pour l'amélioration du rendement en courant. Sur le film de recouvrement de la face arrière du panneau solaire se trouvent une pluralité de tôles collectrices de chaleur (5) qui servent de collecteurs de chaleur et sont montées par collage. Sur les tôles collectrices de chaleur (5) se trouvent des plaques métalliques adhésives cannelées (6), elles-mêmes collées, dans la cannelure desquelles un tuyau métallique (2) est collé géométriquement de sorte que la transmission de force de l'échangeur de chaleur au panneau solaire est réduite au minimum. L'invention concerne également un procédé pour la production du panneau solaire combiné selon l'invention.
EP09761230A 2008-06-10 2009-06-09 Utilisation de l'énergie solaire Withdrawn EP2313933A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH8782008 2008-06-10
CH00876/09A CH698966A2 (de) 2008-06-10 2009-06-08 Solarenergienutzung.
PCT/CH2009/000188 WO2009149572A2 (fr) 2008-06-10 2009-06-09 Utilisation de l'énergie solaire

Publications (1)

Publication Number Publication Date
EP2313933A2 true EP2313933A2 (fr) 2011-04-27

Family

ID=40445275

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09761230A Withdrawn EP2313933A2 (fr) 2008-06-10 2009-06-09 Utilisation de l'énergie solaire

Country Status (5)

Country Link
US (1) US20110114155A1 (fr)
EP (1) EP2313933A2 (fr)
CN (1) CN102160194A (fr)
CH (1) CH698966A2 (fr)
WO (1) WO2009149572A2 (fr)

Families Citing this family (14)

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CH702438A1 (de) * 2009-12-22 2011-06-30 Hansjuerg Leibundgut System und Verfahren für ein Hybridsystem zur Umwandlung von Solarstrahlung in elektrischen Strom und Wärme.
US8201382B1 (en) * 2010-12-22 2012-06-19 Frank Pao Building integrated thermal electric hybrid roofing system
FR2978299B1 (fr) 2011-07-19 2014-05-09 Solaire 2G Amelioration de la longevite et de l’ergonomie des modules solaires hybrides
CN102290474B (zh) * 2011-08-15 2013-09-18 江苏中显集团有限公司 一种太阳能接收器
DE102012101169A1 (de) * 2012-02-14 2013-08-14 Stellaris Energy Solutions Gmbh & Co. Kg Wärmeübertragungsanordnung
US20130269756A1 (en) * 2012-03-14 2013-10-17 Frank Pao Tall Slate BITERS
DE102012017382A1 (de) * 2012-09-01 2014-03-06 Soltech ökologische Techniken Handels GmbH Einrichtung zur Kühlung von Photovoltaikanlagen
CH707930B1 (de) 2013-04-18 2017-10-13 Bs2 Ag Fassaden- oder Dachelement, aufweisend eine oder mehrere photovoltaische Solarzellen.
CH711262A1 (de) * 2015-06-30 2016-12-30 Ats Advanced Thermo Solutions Ag Kühlelement zum Aufrüsten eines Photovoltaikmoduls und Verfahren zum Aufrüsten eines solchen.
MA38666B1 (fr) * 2015-12-10 2018-04-30 Univ Int Rabat Chauffage d'eau et refroidissement de cellules capteurs solaires à concentration
FR3049411B1 (fr) 2016-03-24 2019-03-15 Solaire 2G Panneau solaire hybride equipe d'un dispositif de fixation d'un echangeur thermique
KR102017393B1 (ko) * 2017-12-14 2019-09-02 이상서 태양광 패널의 열교환장치의 구조
DE102018119492A1 (de) * 2018-08-10 2020-02-13 µZEL ZeroEnergyLab GmbH Solarmodul
CN109391229A (zh) * 2018-08-31 2019-02-26 海宁川达科技有限公司 一种太阳能电池板冷却系统

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DE19544627A1 (de) * 1995-11-30 1997-06-05 Heinrich Bauer Wölbstrukturierte Absorberrohre mit einer Titan - Nitrid - Oxyd - Beschichtung zur Erhöhung des thermischen Wirkungsgrades von Kollektoren
NL1006838C2 (nl) * 1997-08-25 1999-03-04 Univ Eindhoven Tech Paneelvormige hybride fotovoltaïsche/thermische inrichting.
US20080011289A1 (en) * 2006-07-14 2008-01-17 National Science And Technology Development Agency Photovoltaic thermal (PVT) collector
DE102006032876A1 (de) * 2006-07-15 2008-01-24 Holger Stitz HS Wärmeplatte
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Also Published As

Publication number Publication date
WO2009149572A2 (fr) 2009-12-17
CH698966A2 (de) 2009-12-15
US20110114155A1 (en) 2011-05-19
CN102160194A (zh) 2011-08-17
WO2009149572A3 (fr) 2011-12-01

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