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US20110094171A1 - Roof or Facade Panel Having a Solar Panel - Google Patents

Roof or Facade Panel Having a Solar Panel Download PDF

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Publication number
US20110094171A1
US20110094171A1 US12/922,434 US92243408A US2011094171A1 US 20110094171 A1 US20110094171 A1 US 20110094171A1 US 92243408 A US92243408 A US 92243408A US 2011094171 A1 US2011094171 A1 US 2011094171A1
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US
United States
Prior art keywords
roof
panel
façade
foamed
support layer
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
US12/922,434
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English (en)
Inventor
Holger Burkhardt
Arthur Glanzmann
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.)
Luxin (Green Planet) AG
Original Assignee
Luxin (Green Planet) 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 Luxin (Green Planet) AG filed Critical Luxin (Green Planet) AG
Assigned to LUXIN (GREEN PLANET) AG reassignment LUXIN (GREEN PLANET) AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GLANZMAN, ARTHUR, BURKHARDT, HOLGER
Publication of US20110094171A1 publication Critical patent/US20110094171A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1228—Joining preformed parts by the expanding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/06—Making multilayered articles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/296—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and non-metallic or unspecified sheet-material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/352—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0869—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having conduits for fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60—Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • F24S20/67—Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of roof constructions
    • 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
    • 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
    • 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
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S2080/01—Selection of particular materials
    • F24S2080/015—Plastics
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • 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 or façade panel having a surface panel that is directly foamed with a support layer from foamed synthetic material, and a process for production thereof and a construction element comprising the roof or façade panel.
  • known façade panels Since sufficient thickness for the façade panels is essential, known façade panels have considerable weight per square meter. Known façade panels are thus also only small in format since otherwise transportation and especially attachment to the building, i.e. mounting, would be too difficult and troublesome.
  • Drilling the façade panels in order to fit the attachment elements is also associated with a considerable risk since the panel can easily fracture if care is not taken.
  • Façade panels and floor panels are also known from the prior art, wherein a surface layer is directly foamed with a support layer.
  • This surface layer is of granite, marble, stone, ceramic or metal and is to constitute the outer façade of the building or a floor covering.
  • roof panels with a surface layer directly foamed on a support layer are not known from the prior art.
  • Solar or photovoltaic panels are further understood to be a solar module, a photovoltaic module or a solar generator. These convert sunlight directly into electrical energy.
  • a solar panel or module essentially comprises—starting on the side facing the sun—a pane of glass, a transparent synthetic material layer, into which the monocrystalline or polycrystalline solar cells are embedded, wherein the solar cells are electrically connected to each other by so-called solder strips, rear-side lamination which has a weather-proof synthetic material composite film, a connection socket and a connection terminal and an (aluminum profile) frame.
  • a transparent, radiation-resistant and weather-proof covering protection of the solar cell against mechanical influences, protection of the components, in particular of the solar cells and electrical connections against moisture, also robust electrical connections, sufficient contact protection of the electrically conductive components, also sufficient cooling of the solar cells, and handling and attachment capabilities.
  • the cooling of solar modules is a decisive factor for high-level, consistent performance.
  • the surface temperatures of the solar modules can reach over 400° C., which can lead to a drop in performance of more than 40%.
  • the cooling of solar modules can thus have a considerable influence on the efficiency thereof.
  • Solar cells are currently usually produced from semi-conductor materials, predominantly silicon. As already mentioned, these semi-conductor solar cells are connected to large solar modules in order to generate energy. For electrical connection purposes the cells are connected in series to conductive tracks, i.e. the previously mentioned solder strips on the front and rear side (so-called front and rear side contact), whereby the voltage of the individual cells is combined and thinner wires can be used than in the case of a parallel circuit.
  • the object of the present invention is therefore a novel roof or façade panel with a solar panel, which can be produced and mounted simply and securely.
  • the roof or façade panel has at least one surface panel that can be attached to buildings.
  • the surface panel is directly foamed with a support layer from foamed synthetic material.
  • the surface panel has a solar panel.
  • the support layer is advantageously foamed with an under layer on its side opposite the surface panel, wherein the under layer is preferably formed from a fire-retarding material such as calcium sulfate.
  • the support layer is advantageously a foamed rigid or rigid integral polyurethane foam.
  • suspension or mounting means for attachment of the roof or façade panel to the building metal gratings, tongue and groove elements, pipes, electronic components and/or other components or elements are foamed in the support layer.
  • the pipes are preferably connected to the pipe system of a heating arrangement, for example floor heating, and/or of a hot water supply, either directly or indirectly via heat exchangers.
  • a heating arrangement for example floor heating, and/or of a hot water supply, either directly or indirectly via heat exchangers.
  • the pipes have cooling coils.
  • roof or façade panels as a construction element, i.e. as an outer shell or roof covering of a building is described in claims 14 to 18 .
  • the roof or façade panel described herein in accordance with the invention has at least one surface panel which is directly foamed with a support layer from foamed synthetic material, wherein the surface panel has a solar panel.
  • the solar panel can therefore be attached directly to a building as a complete roof or façade panel. In this way the subsequent attachment of solar panels to the façade or to the roof of a building is avoided as they are directly integrated into the roof or façade panel.
  • the roof/façade panel, insulation and solar cell are therefore unified to form a single component. This integration of the solar panel considerably reduces mounting time.
  • the roof or façade panel can therefore be attached directly to structural elements of a building, for example laid directly on the roof battens or attached to further parts of a static building construction of a building such as beams or reinforced concrete columns.
  • the roof or façade panels in accordance with the invention are much less susceptible to such environmental influences in comparison to roofs covered with tiles or the like or solar panels subsequently attached to the roof or façade. For example, in the case of a storm, the risk of damage to the roof or façade construction and also the risk to passers-by from falling roof or façade elements (for example tiles) are therefore considerably reduced.
  • the panel in accordance with the invention is extremely thin and light in comparison to a roof or façade with a subsequently attached solar panel, whereby it is additionally possible to achieve a considerable weight saving compared with a conventional roof or façade.
  • the support layer is also preferably foamed with an under layer on its side opposite the surface panel.
  • the roof or façade element can fulfil further requirements such as certain fire-protection requirements.
  • the under layer is formed in a particularly advantageous manner as a calcium sulfate plate which has a particularly fire-retarding effect. Other fire-retarding materials are also feasible.
  • rigid or rigid integral polyurethane foam is also preferably proposed as a foamable synthetic material.
  • This synthetic material is principally characterized by its great strength in the foamed region, its good heat-insulating properties and its rapid bonding and hardening capability.
  • This foam is also watertight, which means that the solar cells and the electrical contacts do not require additional protection against moisture, for example by a further protective layer, at least on the rear of the solar panel. The penetration of water, for example rain water, can thereby easily be prevented. Owing to its low delta T, condensation of, for example, water in the system can also be avoided so that the formation of mold or moss, which occurs for example in the case of subsequently attached solar panels on a roof or façade, can be effectively avoided
  • Suspension or mounting means for attachment of the roof or façade panel to the building metal gratings, tongue and groove elements, pipes, electronic components and/or other components are preferably foamed in the support layer.
  • polyurethane foam as the support layer means that this can also be used for heat insulation.
  • the support layer therefore not only serves for non-positive breakage prevention of the solar panel but also to receive the attachment elements and also as insulation against heat and cold.
  • Metal gratings can also preferably be foamed into the support layer and increase the strength of the support layer and can additionally serve to reinforce the support layer of particularly heavy roof or façade panels.
  • Tongue and groove elements are advantageously foamed into the support layer and can facilitate the installation of the roof or façade panel and ensure that the panels hold together in a stable manner.
  • pipes are foamed into the support layer.
  • the pipes have cooling coils or cooling agent coils in one particularly preferred embodiment.
  • the cooling device necessary to, and adequate for, solar cells is integrated directly and simply into the support layer and therefore does not have to be additionally integrated or attached. By the integrated discharge of heat the efficiency of the solar panel can therefore be increased considerably more.
  • the heat-carrying agent circulating in the cooling coils can also preferably be used via an attached heat exchanger, for example for the supply of hot water.
  • the cooling coils can be connected directly to a hot water supply installation or to a heating installation.
  • the heated cooling agent fluid also to be used alternatively or additionally via turbines to produce electricity, whereby the efficiency of the solar panels can be increased still further.
  • the cooling of the solar panels can therefore be exploited in numerous ways for heating, for hot water supply or even for the production of electricity.
  • This layer for example of glass, contains channels such as pipes, which in a particularly preferred embodiment have cooling coils or cooling agent coils.
  • the pipes can be attached in the same way directly to the additional layer.
  • Heat exchangers which discharge heat and are connected to the pipes can additionally be foamed into the support layer.
  • the method in accordance with claims 12 and 13 is particularly characterized in that it is totally unaffected by the solar panels being of different thicknesses. Even if a solar panel has portions of non-uniform thicknesses, for example at the connection points of individual solar cells or on the rear contacts of a solar cells the roof or façade panels produced by means of the process in accordance with the invention always have a constant overall thickness since the thickness of the rigid or rigid integral polyurethane foam can vary. Roof or façade elements which appertain to a roof or façade of a building can thereby all be produced with an absolutely identical thickness.
  • FIG. 1 shows a roof or façade element in accordance with the invention
  • FIG. 2 shows a construction element in accordance with the invention with cooling coils foamed in.
  • FIG. 1 shows a roof or façade element in accordance with the invention having at least one surface panel 2 foamed directly with a support layer 1 .
  • the surface panel 2 comprises a solar panel 3 .
  • Foaming a solar panel 3 with a support layer 1 as a roof or façade panel means that the solar panel does not additionally have to be mounted onto the roof or façade of a building.
  • the solar module itself therefore no longer has to be fitted with its own handling and attachment means.
  • the rear of the solar cells is at least protected against mechanical influences and the rear contacts are at least protected against moisture and other influences.
  • the electrical connections are also embedded into the support layer they can also be less robust. Since the electrically conductive components are foamed into the support layer at least on the rear of the solar module, sufficient contact protection is also provided at the same time at that location so that it is possible to dispense with further protection at these points.
  • connection socket with a diode and/or the connection terminal of the solar panel 3 are preferably disposed and foamed-in in such a way that they are accessible from the inside of the roof or façade panel. The connections of the solar panels 3 are therefore easily accessible and are securely protected from the weather on the inside of the panel.
  • connection socket and/or the connection terminal additionally or alternatively, to be accessible after foaming-in on at least one side on which the roof or façade panel is to be connected to a further panel.
  • connection elements are preferably designed as a plug connection. It is therefore possible to connect in series a plurality of solar panels on a plurality of roof or façade panels simply and directly during attachment of the roof or façade panel, whereby mounting of the panels is further simplified.
  • the support layer 1 is a foamed synthetic material, advantageously a foamed rigid or rigid integral polyurethane foam.
  • This synthetic material is characterized in particular by its high level of strength, its good heat-insulation properties and its rapid bonding and hardening capability.
  • the support layer 1 serves both for non-positive breakage-prevention of the solar panel 3 and also as thermal insulation, i.e. as insulation against heat and cold.
  • the rigid or rigid integral polyurethane foam is also watertight so that the solar cells and the electrical contacts do not have to be additionally protected against moisture at least on the rear of the solar panel 3 , for example, by a further protective layer. Similarly, condensation in the system is prevented owing to the low delta T so that the formation of mold or moss can be effectively prevented. It is also feasible for other foamable materials to be used as the support layer.
  • Components or elements are preferably foamed in the support layer 1 .
  • These can be, for example, suspension or mounting means for attachment of the roof or façade panel to the building, metal gratings, tongue and groove elements, pipes, heat exchangers, electronic components and/or other components or elements.
  • the support layer therefore also serves to receive components and elements.
  • Foaming metal gratings for example steel mesh gratings such as construction steel gratings, into the support layer 1 of the roof or façade element can increase the strength of the support layer 1 .
  • a metal grating of this type can thus also serve as reinforcement of the support layer 1 .
  • tongue and groove elements are foamed into the support layer.
  • wire meshes or mesh tubes of HPL (“high pressure laminate”) material strips are preferably foamed in as tongue and groove elements which are provided with holes in order to achieve a non-positive connection to the (polyurethane) foam of the support layer 1 .
  • HPL high pressure laminate
  • the wire mesh or the HPL grating then serves to increase the load-bearing capacity of the roof or façade panel.
  • the tongue and groove element facilitates the installation of the roof or façade panel and ensures that mutually connected panels hold together in a stable manner.
  • Pipes preferably foamed into the support layer 1 preferably have cooling coils or cooling agent coils 8 as shown in FIG. 2 .
  • the cooling coils 8 foamed into the support layer 1 preferably have a heat-carrying agent flowing through them when the roof or façade panels are in the mounted state. In this way the cooling which is necessary to, and adequate for, solar cells is integrated directly and simply in the support layer. It is therefore possible to dispense with additional attachment of a cooling means, which makes mounting easier and also leads to savings in costs and materials.
  • the cooling coils 8 are attached, preferably welded, to a heat-conducting plate 9 preferably made from a highly heat-conductive material.
  • the heat-conducting plate 9 is in turn preferably disposed or attached on the rear to the solar panel 3 and therefore ensures uniform heat distribution of the heat discharged from the solar panel 3 .
  • the heat can then simply be transferred from the solar panel 3 via the heat-conducting plate 9 to the cooling coils 8 and therefore to the heat-carrying agent in the cooling coils 8 and can be discharged.
  • the heat transferred from the roof or façade panels via the solar panel 3 to the heat-carrying agent in the cooling coils 8 can furthermore be transferred directly or indirectly preferably via heat exchangers 10 into or onto the circuit 11 , 11 ′ of a (floor) heating system 12 or into or onto the water circuit for supplying hot water (not shown).
  • FIG. 2 illustrates, for example, indirect heat transfer by means of heat exchanger 10 , wherein the circuit 11 shows the cooling agent circuit of the solar panel 3 , and the circuit 11 illustrates the utility circuit, in this case the heating circuit.
  • the circuits 11 , 11 ′ are only shown schematically. The broken lines are intended to indicate that the cooling coils 8 are integrated into the cooling agent circuit 11 .
  • the cooling coils 8 therefore ensure improved heat discharge through the roof or façade sandwich panels, whereby on the one hand the degree of efficiency of the solar cells is increased. On the other hand, different degrees of expansion owing to stresses which arise in the solar or photovoltaic panels 3 by reason of temperature swings can in this way reliably be reduced.
  • the heated cooling agent from the cooling coils 8 can be further used for hot water supply or for heat exchangers.
  • the cooling agent fluid heated after the cooling process can also be used to produce electricity by means of turbines. In this way the efficiency of the solar panels can be considerably increased further.
  • the cooling arrangement of the solar panels 3 can therefore be used in many alternative ways, for example for heating, for hot water supply or even to produce more electricity.
  • the cooling coils 8 can be foamed into the support layer 1 in such a way that at least one end of the cooling coils 8 in each case is disposed so that it leads to the edge of the roof or façade panel and is accessible from outside.
  • the ends of the cooling coils 8 are preferably led to at least one side of the roof or façade panel on which this is to be connected to a further one so that the cooling coils 8 of a roof or façade panel can easily be connected, during mounting, to those of a further panel.
  • the pipes or cooling coils 8 are connected at the corresponding connection points preferably with connection elements, for example screw or plug connections, in order to considerably simplify further the mounting of roof or façade panels which are provided with solar panels 3 and have an integrated cooling system.
  • the pipes preferably cooling coils or cooling agent coils 14
  • the pipes are located in or immediately adjoining an additional layer 13 as shown in FIG. 1 .
  • This preferably translucent layer 13 for example of glass, is attached to the solar or photovoltaic panel 3 .
  • FIG. 1 shows by way of example an indirect heat transfer by means of heat exchanger 15 .
  • the broken lines are intended to indicate that the cooling coils 14 are integrated into the cooling agent circuit 16 .
  • connection lines can be led out of the foamed synthetic material mass even during the foaming process so that connection of these components can easily be effected after the respective panel has been produced. It is also possible to provide corresponding connection elements in the support layer 1 which then, like the solar panel 3 , are easily accessible, for example, from the inside of the roof or façade panel.
  • radio antennas for example for wireless networks and wireless internet access but also for mobile telephony, into the foamed synthetic material layer 1 .
  • the radio antennas would then be integrated in the roof or in the house façade and would not impair the visual appearance of the roof or façade.
  • the electricity from the solar panels can be used directly for the components integrated in the support in order thereby to improve, for example, the reception or transmission strength or quality.
  • the support layer 1 is also preferably foamed with an under layer 4 on its side opposite the surface panel 2 or the solar panel 3 .
  • This lower layer 4 serves, for example, for visual purposes or other specific requirements, such as preferably fire-protection requirements.
  • the under layer 4 is preferably formed as a calcium sulfate plate which has special fire-retarding properties. However, other layer materials with advantageous properties for roof or façade panels are also feasible.
  • the layer 4 can also be foamed with the support layer 1 , for example, on at least one of the lateral outer regions thereof in order to exploit its properties in these regions as well (cf. FIG. 2 ).
  • a plate preferably a calcium sulfate plate, is preferably disposed on each side of the support layer 1 with the exception of the front side.
  • access points for example in the form of holes, can be provided in the under layer 4 at defined positions. These are preferably selectively closable with a cover, for example, by means of a simple screw or plug connection.
  • the cover is preferably made of the same material as the under layer 4 .
  • the solar panel 3 By integration of the solar panel 3 into the roof or façade panel, the solar panel 3 can in this way be attached directly to a building as a complete roof or façade panel, which makes subsequent attachment of solar panels 3 to the roof or to the façade of a building superfluous. Therefore a roof/façade panel with insulation and a solar cell and possible further properties, for example fire-protection properties, can be united to form a single component. In so doing, it is thus possible to make savings on the entire substructure of a roof or façade, which considerably reduces both production costs and also mounting time of a roof or façade construction fitted with solar cells.
  • the solar panels themselves can also be formed in a much more simple and cost-effective manner since it is possible to dispense with additional protection means such as protection against mechanical influences, moisture and contact at least on the rear of the solar panel, and also to dispense with additional cooling means and further handling and attachment means on the solar panels themselves.
  • additional protection means such as protection against mechanical influences, moisture and contact at least on the rear of the solar panel, and also to dispense with additional cooling means and further handling and attachment means on the solar panels themselves.
  • roof or façade panel in accordance with the invention can be considerably improved further in that any other desired components and elements can be foamed into the support layer 1 in order, for example, to simplify the attachment of suspension and mounting elements, to improve the discharge of heat and to exploit the discharged heat or to integrate electrical components in a concealed manner.
  • a production process for a roof or façade panel in accordance with the invention is described hereinunder.
  • the surface panel 2 which comprises the solar panel 3 , is first placed into a mold which is then closed. Two liquid components are then injected into the mold, which react with each other and foam. After foaming, the synthetic material, preferably a polyurethane synthetic material, hardens automatically. The resulting connection to the solar panel 3 is principally characterized by its very high level of strength.
  • the process in accordance with the invention permits the use of solar panels 3 with an insulation layer as a complete unit for a roof covering or façade.
  • an insulation layer By reason of its small thickness and its low weight, since, for example, it is possible to dispense entirely with further outer materials such as roof tiles or façade panels, a major part of the material costs, such as for example expensive surface materials, is saved and mounting is considerably facilitated.
  • irregularities in the solar panels for example at the connection points between individual solar cells or on the rear contacts of a solar cell, do not affect the finished roof or façade panel since, after foaming with the support layer 1 , each roof or façade panel produced in this way, preferably in the same or an identical mold, always has the set, uniform, constant overall thickness. Varying thicknesses in a solar panel 3 are therefore automatically corrected in that the support layer 1 is formed thinner at the corresponding points depending on the enclosing mold.
  • attachment elements such as hooks, threads etc in the mold
  • these can also be foamed into the support layer 1 .
  • attachment elements By incorporating attachment elements into the foam structure by means of a single fully automatic process during foaming, a tough, high-strength connection is produced after the foam hardens, which connects the solar panels 3 to the foamed synthetic material and at the same time receives the attachment elements.
  • the surface panels 2 or the solar panels 3 thus do not need to be provided with additional holding elements or drilled holes in order to be attached, nor do they need to be drilled themselves or in their frames since the attachment elements are already anchored in the support layer.
  • the loading of the whole roof or façade element therefore takes place in the stable support layer 1 and not in the surface panel 2 , i.e. the solar panel 3 , whereby the risk of damaging or breaking a solar panel 3 is minimised.
  • the roof or façade panels in accordance with the invention can on the one hand be used as panels which are aerated from behind ( FIG. 1 ).
  • the insulation of the roof or the façade is therefore improved and at the same time solar cells are attached in a single operation.
  • the support layer 1 is formed substantially thicker (preferably ca. 100-200 mm of rigid or rigid integral polyurethane foam) than in the case of use as roof or façade panels aerated from the rear (preferably ca. 20-50 mm rigid or rigid integral polyurethane foam).
  • the roof or façade panel is additionally foamed with the under layer or inner layer 4 on the inside of the support layer 1 , i.e. on the [side] opposite the surface layer 2 .
  • the under layer 4 is advantageously formed as a fire-retarding calcium sulfate plate and also preferably has a thickness of ca. 25-45 mm.
  • the under layer 4 preferably has a smooth surface and can be suitable for wallpapering over, for which reason it is particularly suitable as an internal wall or internal ceiling.
  • the size of the roof or façade element or construction element also differ depending on the function of the roof or façade element, i.e. on whether the roof or façade element is to be suspended as a roof or façade element which is aerated from the rear on an existing roof or an existing external wall or on whether it is to be used as a construction element.
  • a construction element preferably has a size of ca. 2-3 m ⁇ 1.5 m, whereas a roof or façade element for use as a roof or façade element which is aerated from the rear is preferably produced substantially smaller, for example in the range of 120 cm ⁇ 60 cm or 120 cm ⁇ 120 cm.
  • the stability of the roof or façade panels increases the thicker the support layer 1 is. It is therefore possible as the thickness of the panels increases to attach the roof rafters at a greater distance from each other and therefore also to save costs in the actual construction of the house. These panels are then also suitable in particular for larger expanses such as, for example, factory or works premises. Using a thick support layer 1 all attachment parts, such as screws or other anchoring means, can additionally be mounted with sufficient stability in this roof or façade construction.
  • the construction element is preferably attached directly to structural elements 5 of a building i.e. for example, the roof battens or supports or reinforced concrete columns of a static building construction. To this end it is possible to provide a recess 6 . Attachment is effected, for example, by means of a metal bracket 7 which is connected to the structural elements 5 . All feasible types of mounting such as, for example, welding, screwing, bonding or suspension attachments are possible.
  • the overall thickness of the construction element is for example 35 cm (8 cm calcium sulfate panel 3 , 1 cm surface panel 2 , i.e. the solar panels 3 , and 26 cm rigid or rigid integral polyurethane foam layer 1 ), wherein the thickness of the respective layers can vary depending on the area of usage and the materials used.
  • the panel in accordance with the invention is extremely thin and light in comparison to a roof or a façade with a subsequently attached solar panel, whereby it is possible to achieve a great weight saving with respect to a conventional roof or façade, which in turn has the overall effect of making these panels easier and better to handle.
  • roof or façade panels in accordance with the invention provided with a cooling means it is possible to mount these panels closer together because they expand less, and therefore to reduce the expansion gaps.
  • the lower level of expansion also means that wear on the roof or façade panels is reduced, whereby the service life thereof is in turn increased.
  • the roof or façade panels can be mounted closer to each other owing to the cooling arrangement in accordance with the invention, it is also possible in this way to save on expanding foam owing to the narrower expansion gaps.
  • the roof or façade panels form, in particular also in the mounted state, a particularly uniform surface over all panels of a composite arrangement and therefore offer a clearly smaller impact surface, for example with respect to wind for instance, than tiles or similarly covered roofs or also solar panels subsequently attached to the roof or façade.
  • the likelihood of damage to the roof or façade construction, for example during/by reason of a storm is therefore clearly reduced.
  • a large number of visual effects can also be achieved on the surface of the solar cells, for example, by means of a special polishing of the glass or by using dye-sensitised solar cells.
  • Dye-sensitised solar cells use an organic dye for conversion of light into electrical energy, wherein different dyes and degrees of transparency permit a variety of design possibilities.
  • a simulated roof or façade for example, tiled roof or slate roof effect
  • a certain roof structure or façade structure is required without dispensing with solar energy. It is also possible by the same means to blend in the solar panels in such a way that disruption of the surroundings owing to the reflected sunlight can be avoided.
  • the invention is not limited to the limitations described above. Any type of foamable materials for the support layer and all materials which are suitable for the under layer are feasible. All feasible components or elements can also be foamed into the said support layer. Furthermore, the panels can be attached to all parts and areas of a building.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Photovoltaic Devices (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
US12/922,434 2007-11-14 2008-11-12 Roof or Facade Panel Having a Solar Panel Abandoned US20110094171A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07120672.6 2007-11-14
EP07120672A EP2061091B1 (de) 2007-11-14 2007-11-14 Dach- oder Fassadenplatte mit Solarpanel
PCT/EP2008/009547 WO2009062689A2 (de) 2007-11-14 2008-11-12 Dach- oder fassadenplatte mit solarpanel

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US20110094171A1 true US20110094171A1 (en) 2011-04-28

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US12/922,434 Abandoned US20110094171A1 (en) 2007-11-14 2008-11-12 Roof or Facade Panel Having a Solar Panel

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US (1) US20110094171A1 (de)
EP (1) EP2061091B1 (de)
AT (1) ATE541318T1 (de)
CA (1) CA2718162C (de)
EG (1) EG25943A (de)
WO (1) WO2009062689A2 (de)

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US10490682B2 (en) 2018-03-14 2019-11-26 National Mechanical Group Corp. Frame-less encapsulated photo-voltaic solar panel supporting solar cell modules encapsulated within multiple layers of optically-transparent epoxy-resin materials
EP3358096A4 (de) * 2015-09-30 2020-01-29 Martínez, Sebastián Verfahren zur herstellung einer wand- oder dachplatte mit einbauten, nach diesem verfahren vorgefertigte wände oder dächer und verbindungen zwischen wand- und dachplatte

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EP2305746A1 (de) * 2009-10-02 2011-04-06 Sika Technology AG Membran umfassend Solarzelle
DE102009060401A1 (de) * 2009-12-22 2011-07-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 80686 Bauelement und Verfahren zum Betrieb eines Photovoltaikmoduls
CA2739766C (en) 2011-05-10 2016-08-23 Robert Richardson Roof solar panel for conventional sloping roof and shingle integration
SE537409C2 (sv) * 2012-03-08 2015-04-21 Törnerfälts Fastighets Ab Tak för upptagande av solenergi
DE102013201940A1 (de) * 2013-02-06 2014-08-07 Sunoyster Systems Gmbh Receiver für Solaranlagen, Solaranlage und Fassadenisolierung
US9294032B2 (en) 2013-11-08 2016-03-22 Robert Richardson Modular roof solar panel for conventional roof and roofing integration
PL230119B1 (pl) * 2013-12-03 2018-09-28 Eutherm Spolka Z Ograniczona Odpowiedzialnoscia Kompozytowy panel elewacyjno-termoizolacyjny, sposób jego wytwarzania oraz zastosowanie kompozytowego panelu elewacyjno- termoizolacyjnego
CN113066882A (zh) * 2015-08-18 2021-07-02 萨菲尔太阳技术公司 全合一集成多功能三重电源模块“itm”
DE102016102780B4 (de) * 2016-02-17 2020-06-10 Sedak Holding Gmbh Anordnung mit mindestens einem Dach- oder Fassadenelement in Gestalt eines sandwichartig aufgebauten Dämmpaneels und mit einem benachbart zu dem Dach- oder Fassadenelement angeordneten Fensterelement
EP3285304A1 (de) * 2016-08-18 2018-02-21 A2 - Solar Advanced and Automative Solar Systems GmbH Verbundglas-bauelement mit solarzellen für fahrzeugdächer und gebäude
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Also Published As

Publication number Publication date
CA2718162A1 (en) 2009-05-22
EP2061091A1 (de) 2009-05-20
EP2061091B1 (de) 2012-01-11
ATE541318T1 (de) 2012-01-15
CA2718162C (en) 2014-08-26
EG25943A (en) 2012-11-05
WO2009062689A3 (de) 2009-07-30
WO2009062689A2 (de) 2009-05-22

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