WO2002067338A1 - Roof structure provided with solar cells - Google Patents

Roof structure provided with solar cells Download PDF

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Publication number
WO2002067338A1
WO2002067338A1 PCT/EP2002/001484 EP0201484W WO02067338A1 WO 2002067338 A1 WO2002067338 A1 WO 2002067338A1 EP 0201484 W EP0201484 W EP 0201484W WO 02067338 A1 WO02067338 A1 WO 02067338A1
Authority
WO
WIPO (PCT)
Prior art keywords
roof
external
roof structure
structure according
solar cells
Prior art date
Application number
PCT/EP2002/001484
Other languages
French (fr)
Original Assignee
Van Der Heijden, Franciscus, Antonius, Maria
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 Van Der Heijden, Franciscus, Antonius, Maria filed Critical Van Der Heijden, Franciscus, Antonius, Maria
Priority to AU2002250929A priority Critical patent/AU2002250929A1/en
Publication of WO2002067338A1 publication Critical patent/WO2002067338A1/en

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
    • F24S10/20—Solar heat collectors using working fluids having circuits for two or more working fluids
    • 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
    • F24S10/25—Solar heat collectors using working fluids having two or more passages for the same working fluid layered in direction of solar-rays, e.g. having upper circulation channels connected with lower circulation channels
    • 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
    • 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
    • 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
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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

Definitions

  • the present invention relates to a roof structure provided with solar cells comprising an inner roof and an at least partially transparent external roof .
  • Such a roof is generally known.
  • the solar cells are generally arranged directly under the external roof or incorporated into it . This means that maintaining or repairing the solar cells implies removing the concerned part of the external roof .
  • the object of the invention is to provide a roof structure of the above-mentioned type alleviating this problem.
  • This aim is reached, according to the invention, by providing between the external roof and the inner roof a number of guiding members along which oblong panels provided with solar cells can be slid between the external roof and the inner roof .
  • the solar cells can be maintained and/or repaired without having to remove the inner roof.
  • a direct contact between the external roof and the solar cells is prevented, thereby reducing any damaging risks for the solar cells.
  • the roof structure is built in such a way that the space between the inner roof and the external roof can be closed so as to prevent essentially any air exchange with the environment.
  • the solar cells cannot get dirty because, with the external air, dust particles and similar can also penetrate within the space and settle therein.
  • the inner roof, the external roof, the guiding members and the panels together form a number of channels, a first part of which extend on top of the panels and another part of which extend under the panels .
  • an air stream may circulate around the solar cells, so ensuring a good cooling of the latter.
  • Fig. 1 is a schematic cross-section of a roof structure according to the invention
  • Fig. 2 is a cross-section along the line II- II in Fig. 1,
  • Fig. 3 is a cross-section as illustrated in Fig. 2 of a modified embodiment of the roof structure according to the invention.
  • Fig. 4 is a cross-section as illustrated in
  • FIG. 2 of a third embodiment of a roof structure according to the invention.
  • Fig. 1 schematically illustrates a roof structure according to the invention, comprising an inner roof 5 and an external roof 6 between which panels 7 provided with solar cells are arranged.
  • Such a roof structure is sloping in the illustrated embodiment, which generally is advantageous for increasing the solar cell yield and is preferably oriented as far as possible southwards.
  • the energy generated by the sun can be used for numerous purposes, for example for heating a building having such a roof structure, for producing electricity, etc.
  • the inner roof 5 can be a common thermal isolating layer as already generally used in the building of houses.
  • the external roof 6 should be at least partially transparent in order to allow the sun radiation to reach the solar cells. Additionally, the external roof 6 may comprise separate members, for instance members in the form of roof tiles, but others forms are also possible.
  • the inner roof 5 is provided with a layer comprising a number of oblong ridges 10 forming the rooftop, wherein each ridge 10 is provided, lengthwise, i.e. in the direction vertical to the surface of Fig. 2, on both sides with a plate 11, respectively 12, on which a panel 7 provided with solar cells can lie.
  • the external roof 6 with a shape equal to that of the roof tiles is made of a transparent material, for example, glass and rests on the upper sides 13 of the ridges 10.
  • a transparent material for example, glass
  • two channels 15 and 16 are thereby formed between each pair of adjacent ridges 10, wherein each channel 15 extends between the external roof 6 and the panel 7 and each channel 16 extends between the panel 7 and the inner roof 5.
  • the panel lies proximate to the lower end of the roof structure on retaining members which are mounted on the plates, with the structure being such that each panel 7 can be slid, from the side 20 and the space between external and inner roofs, onto the plates 11 and 12 until their lower end is slid onto the retaining members and, therefore, the panel can be maintained on its place.
  • the opening adjacent to the side 20 between external and inner roofs can be subsequently closed, such as by means of a cover 21 for each panel, which cover being adjusted in the space between each pair of ridges 10.
  • a cover 21 for each panel which cover being adjusted in the space between each pair of ridges 10.
  • a heat exchanger 25 is arranged in said space, which makes it possible to exchange heat between the air being present in the channels 15, 16 and the space 24 and another medium, for example, water.
  • a fan 26 is provided making it possible to cause the air to flow through the channels 15, 16.
  • the air flow Upon flowing, the air flow is heated on the one hand directly by the solar heat and on the other hand by the cooling of the members limiting the channels 15, 16, more particularly the panels 7 provided with the solar cells.
  • This heat is transferred in the heat exchanger 25 at least partially to another medium, for example water, which can be used in a house warm water circuit .

Abstract

Roof structure provided with sun cells comprising an inner roof and an at least partially transparent external roof, wherein between the external roof and the inner roof are arranged a number of guiding members along which oblong panels provided with solar cells can be slid between the external roof and the inner roof and wherein the space between the inner roof and the external roof can be closed so that essentially no air exchange can occur with the environment.

Description

Roof structure provided with solar cells
The present invention relates to a roof structure provided with solar cells comprising an inner roof and an at least partially transparent external roof .
Such a roof is generally known. The solar cells are generally arranged directly under the external roof or incorporated into it . This means that maintaining or repairing the solar cells implies removing the concerned part of the external roof .
As the inner roof is not generally water tight, this means some risk for the building as it is necessary to wait until the weather situation is fine before carrying out the expensive maintaining/ repairing operation.
The object of the invention is to provide a roof structure of the above-mentioned type alleviating this problem. This aim is reached, according to the invention, by providing between the external roof and the inner roof a number of guiding members along which oblong panels provided with solar cells can be slid between the external roof and the inner roof . Thereby, the solar cells can be maintained and/or repaired without having to remove the inner roof. Moreover, a direct contact between the external roof and the solar cells is prevented, thereby reducing any damaging risks for the solar cells. Preferably, the roof structure is built in such a way that the space between the inner roof and the external roof can be closed so as to prevent essentially any air exchange with the environment.
Consequently, the solar cells cannot get dirty because, with the external air, dust particles and similar can also penetrate within the space and settle therein.
In a preferred embodiment according to the invention, the inner roof, the external roof, the guiding members and the panels together form a number of channels, a first part of which extend on top of the panels and another part of which extend under the panels .
Thereby, an air stream may circulate around the solar cells, so ensuring a good cooling of the latter.
Others features and advantages of the invention will become clear from the following description in which reference is made to the accompanying drawings, in which : Fig. 1 is a schematic cross-section of a roof structure according to the invention,
Fig. 2 is a cross-section along the line II- II in Fig. 1,
Fig. 3 is a cross-section as illustrated in Fig. 2 of a modified embodiment of the roof structure according to the invention, and
Fig. 4 is a cross-section as illustrated in
Fig. 2 of a third embodiment of a roof structure according to the invention. Fig. 1 schematically illustrates a roof structure according to the invention, comprising an inner roof 5 and an external roof 6 between which panels 7 provided with solar cells are arranged. Such a roof structure is sloping in the illustrated embodiment, which generally is advantageous for increasing the solar cell yield and is preferably oriented as far as possible southwards.
The energy generated by the sun can be used for numerous purposes, for example for heating a building having such a roof structure, for producing electricity, etc.
The inner roof 5 can be a common thermal isolating layer as already generally used in the building of houses. The external roof 6 should be at least partially transparent in order to allow the sun radiation to reach the solar cells. Additionally, the external roof 6 may comprise separate members, for instance members in the form of roof tiles, but others forms are also possible.
As illustrated in Fig. 2, the inner roof 5 is provided with a layer comprising a number of oblong ridges 10 forming the rooftop, wherein each ridge 10 is provided, lengthwise, i.e. in the direction vertical to the surface of Fig. 2, on both sides with a plate 11, respectively 12, on which a panel 7 provided with solar cells can lie.
The external roof 6 with a shape equal to that of the roof tiles is made of a transparent material, for example, glass and rests on the upper sides 13 of the ridges 10. As it is obvious from Fig. 2, two channels 15 and 16 are thereby formed between each pair of adjacent ridges 10, wherein each channel 15 extends between the external roof 6 and the panel 7 and each channel 16 extends between the panel 7 and the inner roof 5.
The panel lies proximate to the lower end of the roof structure on retaining members which are mounted on the plates, with the structure being such that each panel 7 can be slid, from the side 20 and the space between external and inner roofs, onto the plates 11 and 12 until their lower end is slid onto the retaining members and, therefore, the panel can be maintained on its place.
The opening adjacent to the side 20 between external and inner roofs can be subsequently closed, such as by means of a cover 21 for each panel, which cover being adjusted in the space between each pair of ridges 10. This way, there is some free space between the cover 21 and the lower end of the panel 7 so that the channels 15 and 16 there are connected to each other. Proximate to the upper end, the panel 7 does not completely extend as far as in the ridge and a free space 24 is formed which extends transversally over all the panels. A heat exchanger 25 is arranged in said space, which makes it possible to exchange heat between the air being present in the channels 15, 16 and the space 24 and another medium, for example, water. Moreover, a fan 26 is provided making it possible to cause the air to flow through the channels 15, 16.
Upon flowing, the air flow is heated on the one hand directly by the solar heat and on the other hand by the cooling of the members limiting the channels 15, 16, more particularly the panels 7 provided with the solar cells. This heat is transferred in the heat exchanger 25 at least partially to another medium, for example water, which can be used in a house warm water circuit .

Claims

1. Roof structure provided with solar cells comprising an inner roof and an at least partially transparent external roof, characterized in that between the external roof and the inner roof are arranged a number of guiding members, along which oblong panels provided with solar cells can be slid between the external roof and the inner roof .
2. Roof structure according to claim 1, characterized in that the space between the inner roof and the external roof can be closed so that essentially no air exchange can occur with the environment.
3. Roof structure according to any one of preceding claims, characterized in that the inner roof, the external roof, the guiding members and the panels together form a number of channels.
4. Roof structure according to claim 3, characterized in that at least one channel extends between the external roof and the panels and at least one channel between the inner roof and the panels.
5. Roof structure according to any one of claims 3 or 4 , characterized in that the channels are mutually connected at least adjacent to one end.
6. Roof structure according to any one of claims 3-5, characterized in that a heat exchanger is installed adjacent to one end of each channel.
7. Roof structure according to any one of claims 3-6, characterized in that means are present in order to force the air to circulate through the channels .
8. Roof structure according to any one of preceding claims, characterized in that, adjacent to the panel guiding members, reflecting elements are arranged, with the purpose of directing the radiation towards the solar cells.
9. Roof structure according to claim 8, characterized in that the reflectors are adjustable.
PCT/EP2002/001484 2001-02-20 2002-02-11 Roof structure provided with solar cells WO2002067338A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002250929A AU2002250929A1 (en) 2001-02-20 2002-02-11 Roof structure provided with solar cells

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1017410 2001-02-20
NL1017410A NL1017410C2 (en) 2001-02-20 2001-02-20 Roof construction with solar cells.

Publications (1)

Publication Number Publication Date
WO2002067338A1 true WO2002067338A1 (en) 2002-08-29

Family

ID=19772937

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/001484 WO2002067338A1 (en) 2001-02-20 2002-02-11 Roof structure provided with solar cells

Country Status (3)

Country Link
AU (1) AU2002250929A1 (en)
NL (1) NL1017410C2 (en)
WO (1) WO2002067338A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009000091A1 (en) * 2007-06-25 2008-12-31 POSNANSKY, André Roof structure for a solar system
WO2009036821A1 (en) * 2007-09-17 2009-03-26 Puren Gmbh Air solar collector apparatus
DE102008054099A1 (en) * 2008-10-31 2010-05-20 Reichert, Heiko, Dipl.-Ing. Arrangement and procedure for the use of heat generation on photovoltaic systems within building services
FR2974244A1 (en) * 2011-04-15 2012-10-19 Integrasol Device for covering and cooling photovoltaic panel that is utilized in roof of building, has circulating unit for circulating laminar flow of air in space that is created between upper surface of panel and lower surface of plate
FR3082607A1 (en) * 2018-06-15 2019-12-20 Sauveur Belvisi AIR-WATER SOLAR WATER HEATER

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4137098A (en) * 1977-10-20 1979-01-30 The United States Of America As Represented By The Secretary Of The Navy Solar energy window
US4373308A (en) * 1981-04-24 1983-02-15 Atlantic Richfield Company Housing structure utilizing solar energy
US4733506A (en) * 1985-01-31 1988-03-29 Gunnarshaug Olav J Solar energy controllable roof structure
US5128181A (en) * 1989-02-07 1992-07-07 Heinz Kunert Construction element
US5787653A (en) * 1995-11-14 1998-08-04 Misawa Homes Co., Ltd. Sheet-shaped solar module mounting structure
JPH11336210A (en) * 1998-05-29 1999-12-07 Misawa Homes Co Ltd Ventilation structure of solar power generation panel setting roof
JP2000277781A (en) * 1999-03-23 2000-10-06 Misawa Homes Co Ltd Solar battery module and manufacture of the solar battery module
WO2001018460A1 (en) * 1999-09-06 2001-03-15 Ekvitec Ab Cascade utilization of sunlight energy

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4137098A (en) * 1977-10-20 1979-01-30 The United States Of America As Represented By The Secretary Of The Navy Solar energy window
US4373308A (en) * 1981-04-24 1983-02-15 Atlantic Richfield Company Housing structure utilizing solar energy
US4733506A (en) * 1985-01-31 1988-03-29 Gunnarshaug Olav J Solar energy controllable roof structure
US5128181A (en) * 1989-02-07 1992-07-07 Heinz Kunert Construction element
US5787653A (en) * 1995-11-14 1998-08-04 Misawa Homes Co., Ltd. Sheet-shaped solar module mounting structure
JPH11336210A (en) * 1998-05-29 1999-12-07 Misawa Homes Co Ltd Ventilation structure of solar power generation panel setting roof
JP2000277781A (en) * 1999-03-23 2000-10-06 Misawa Homes Co Ltd Solar battery module and manufacture of the solar battery module
WO2001018460A1 (en) * 1999-09-06 2001-03-15 Ekvitec Ab Cascade utilization of sunlight energy

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 03 30 March 2000 (2000-03-30) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 13 5 February 2001 (2001-02-05) *
WENHAM S R ET AL: "Low cost photovoltaic roof tile", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 47, no. 1-4, 1 October 1997 (1997-10-01), pages 325 - 337, XP004099654, ISSN: 0927-0248 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009000091A1 (en) * 2007-06-25 2008-12-31 POSNANSKY, André Roof structure for a solar system
WO2009036821A1 (en) * 2007-09-17 2009-03-26 Puren Gmbh Air solar collector apparatus
DE102008054099A1 (en) * 2008-10-31 2010-05-20 Reichert, Heiko, Dipl.-Ing. Arrangement and procedure for the use of heat generation on photovoltaic systems within building services
FR2974244A1 (en) * 2011-04-15 2012-10-19 Integrasol Device for covering and cooling photovoltaic panel that is utilized in roof of building, has circulating unit for circulating laminar flow of air in space that is created between upper surface of panel and lower surface of plate
FR3082607A1 (en) * 2018-06-15 2019-12-20 Sauveur Belvisi AIR-WATER SOLAR WATER HEATER

Also Published As

Publication number Publication date
NL1017410C2 (en) 2002-08-22
AU2002250929A1 (en) 2002-09-04

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