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WO2010028647A2 - Elément de panneau solaire - Google Patents

Elément de panneau solaire

Info

Publication number
WO2010028647A2
WO2010028647A2 PCT/DK2009/050229 DK2009050229W WO2010028647A2 WO 2010028647 A2 WO2010028647 A2 WO 2010028647A2 DK 2009050229 W DK2009050229 W DK 2009050229W WO 2010028647 A2 WO2010028647 A2 WO 2010028647A2
Authority
WO
WIPO (PCT)
Prior art keywords
solar panel
panel element
transmission
absorber
transmission plate
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.)
Ceased
Application number
PCT/DK2009/050229
Other languages
English (en)
Other versions
WO2010028647A3 (fr
Inventor
Niels Heidtmann
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.)
Nordic Energy Group ApS
Original Assignee
Nordic Energy Group ApS
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 Nordic Energy Group ApS filed Critical Nordic Energy Group ApS
Publication of WO2010028647A2 publication Critical patent/WO2010028647A2/fr
Publication of WO2010028647A3 publication Critical patent/WO2010028647A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/70—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
    • 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
    • F24S70/00—Details of absorbing elements
    • F24S70/60—Details of absorbing elements characterised by the structure or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/40—Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
    • 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
    • F24S2020/10—Solar modules layout; Modular arrangements
    • F24S2020/13—Overlaying arrangements similar to roof tiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
    • F24S80/54—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings using evacuated elements
    • 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
    • Y02B10/20—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
    • 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

Definitions

  • the present invention concerns a solar panel element for thermal utilisation of solar radiation, the solar panel element constituting a roof or facade element for covering a building, the solar panel element including a transmission sheet or plate, an absorber member and an absorber housing, where the transmission plate is adapted for passage of solar radiation, where the absorber member includes means for transforming solar radiation to heat radiation/heat conduction and for transmitting the heat radiation/heat conduction to at least one tube which is connected with the absorber member, and which is intended for containing a heat absorbing liquid medium, where the absorber housing includes connecting means for the transmission sheet or plate.
  • solar panel elements which are typically mounted on the part of a house roof which is sunlit the most during the day.
  • the solar panel elements are most often an independent element which is mounted over the other roof covering.
  • the solar panel element is countersunk into the surrounding roof covering with flashing methods corresponding to flashing a roof window.
  • the document WO 2007/099291 mentions a solar panel element where the solar panel element can be mounted as a finished unit corresponding to a weather boarding where there is sealing in the joint with a corresponding solar panel element at the side, and where the solar panel element lies with an overlap over the below situated solar panel element.
  • the solar panel element disclosed by the document differ aesthetically from the well-known roofing and facade coverings as the solar panel element at its overlapping edge is composed by a glass and a support flange from the absorber housing. This provides a relatively large difference in height between the two solar panel elements in the overlap.
  • two types of materials will appear in the surface of the roof which will patinate differently under the action of sun, wind and weather as coloured surfaces may fade over time.
  • the absorber housing is resource demanding to make, as it is either a moulded unit or an extruded item which afterwards is machined by milling for draining, ventilating and points of fastening.
  • the purpose of this invention is to indicate a solar panel element and a method for making and mounting a such, wherein the solar panel element may constitute an integrated and aesthetically attractive covering element for covering a building envelope, where the solar panel element preferably can be mounted without changing possibly existing underlying structures and follow the architecture in the surrounding covering of the building.
  • this object is achieved by a solar panel element of the type indicated in the introduction which is peculiar in that the transmission plate has greater extension than the absorber housing, and that the transmission plate, compared with the absorber housing, has at least one protruding part at one or more sides or ends, preferably for overlapping on a roof or facade element.
  • the solar panel element may constitute a roof or facade covering tile which can be made under quality assured conditions in a factory or similar.
  • the transmission element, the absorber member and the absorber housing are assembled during the production process with great certainty of uniform quality, including ensuring purity of the glass. This reduces the time of mounting when fitting the solar panel element, the requirements for training the fitter and prevents possible errors and deterioration during mounting.
  • absorber housing is meant the part of the solar panel element disposed under and/or along the sides of a transmission element and which contributes to securing the absorber member.
  • the absorber housing can be made of all types of materials, e.g. metal, plastic, composites, and may e.g. be provided by moulding the desired material, or by bending/extrusion/pultrusion with added end closure.
  • the absorber housing most often has a cavity in which the absorber member may be placed, with an insulating step below.
  • the means of the absorber housing for securing the absorber member may be constituted by recessed longitudinal grooves, projecting support pins or projecting longitudinal flanges at opposing inner walls of the absorber housing.
  • the transmission plate is translucent for sunlight and is typically made of glass, but it may also be of plastic or composite which is not opaque but more or less translucent. Some types of glass are provided with an embossing in the surface, making the glass less reflective to sunlight such that the radiation is increased compared with flat glass.
  • the transmission plate of the solar panel element may have a thickness corresponding to a common covering tile
  • the solar panel elements may readily be added to an existing covering without entailing either increased offset in the element overlapping or greater installation height, and thereby change of the optical dimensions of the covering surface.
  • the surface of the solar panel element serves as covering surface just as the existing covering. For example, this means that covering of roofs and facades of natural slate or fibre-cement slate may be added an efficient solar panel element without substantially changing the architectural expression.
  • the surface of the solar panel element facing the outer side of the construction is made of the same material also results in uniform patinating. For example, there are no visible coloured surfaces that may fade and change their colour over time.
  • the transmission element is greater than the underlying absorber housing, it provides the option of making a cantilevering of the part of the transmission element lying below the absorber housing when the solar panel element is incorporated.
  • the cantilevering may serve as overlap above the solar panel element located below or existing roof tiles.
  • the cantilevering of the lowermost edge may assume a dimension where the solar panel element is readily used by varying lath spacing, e.g. from 30 to 40 cm. This means that by replacing the roof with roofing with solar panel elements according to the invention, no changes have to be made in the substructure.
  • the solar panel element according to the invention is furthermore integrated in most of existing roof systems, including standard constructions with wooden laths, where additionally there is provided for unchanged roofing underlay solutions and unchanged lathing.
  • roof systems including standard constructions with wooden laths, where additionally there is provided for unchanged roofing underlay solutions and unchanged lathing.
  • it is relatively simple to remove existing roof and facade covering and to immediately mount a roof or a facade consisting of solar panel elements.
  • the surface of the roof or facade covering will typically be with an inclination between 20° and 90° relative to horizontal.
  • the transmission plate may be designed corrugated, e.g. as corrugated fibre-cement boards or roof tiles which are widely used roofing materials.
  • the solar panel element By designing the solar panel element with a profiled surface, the solar panel element may be capable of integration into all forms of roof and facade coverings in that it is sought to follow the existing covering profiling and lines with a solar panel element which in width and/or longitudinal dimension may correspond to a multiple of existing roofing elements. There may thus be used a solar panel element which as a combined unit can be mounted in a roof surface and which appears with lines that substantially correspond to the rest of the roof surface.
  • the transmission plate may be composed of a number of transmission elements, e.g. of the same size as diagonal slate or tile elements.
  • a composition of several transmission elements it is achieved that the existing covering profile and lines are followed even more longitudinally, cross-wise and obliquely.
  • an absorber housing may be covered with glass plates which are designed as diagonal slates, as the retaining flanges of the absorber housing are adapted to the fastening points common for mounting a diagonal slate roofing.
  • a preferred embodiment of the invention is a solar panel element with a size corresponding to at least several of the other roofing elements, e.g. a solar panel element with a size corresponding to several vertical as well as horizontal roofing elements.
  • This solar panel element is provided with means for individual adjustment of the spacing between respective vertical and/or horizontal rows of transmission elements.
  • Such a solar panel element may e.g. be with a height corresponding to three horizontal rows of roofing elements and with a width corresponding to ten vertical rows of roofing elements.
  • horizontal and possibly vertical beams under the transmission plate which either rests on the absorber housing or the absorber member, or alternatively is self-supporting, there may be performed individual adjustment of parts of the transmission plate such that the lines of the roof face are followed.
  • the adjustment itself may occur with adapted spacers which are exchanged or selected according to need.
  • a typical adjustment spacing is between 0 and 50 mm, but even greater adjustment spacings may find application.
  • the solar panel element may also be designed such that individual separate transmission elements can be retrofitted immediately above a solar panel element according to the preamble of claim 1 , where the absorber housing is still with a pre-fitted transmission element as well as the absorber member still can be secured at the absorber housing. It is preferred that the absorber member is disposed at a distance from the transmission plate. This distance may e.g. be between 1 and 20 mm, but is preferred to be between 12 and 16 mm.
  • the absorber member is most often a metal sheet which is covered by a material with high solar radiation absorption capability, a so-called technically black material which catches a predominant part of the wavelength spectrum found in sunlight.
  • the metal sheet of the absorber member is directly connected with one or more tubes, preferably copper tubes, through which a heat absorbing medium flows and which via a piping brings the heat to a unit transforming the collected heat into heating, often heating of the hot tap water used in a household.
  • the invention may in a particular embodiment be provided with a transmission plate designed corrugated, e.g. as corrugated fibre-cement boards or roof tiles.
  • a transmission plate designed corrugated, e.g. as corrugated fibre-cement boards or roof tiles.
  • the lines of the roof may be applied the solar panel element in the shape of strips which are mounted on the transmission plate.
  • Such strips may be arranged in oblique, horizontal as well as vertical directions, respectively, and can be made of metal or other suitable material which is fixed to the outer side and/or inner side of the transmission plate.
  • a further possible embodiment may be that the absorber member is disposed spaced apart from the transmission plate, and that the spacing between the absorber member and the transmission plate is constituted by at least one cavity, preferably with limited communication with the ambient atmosphere.
  • the insulating effect of the cavity is enhanced appreciably, as the heat pillow formed in the cavity will not penetrate out to the ambient surroundings by convection.
  • the cavity may be airless (vacuum), which also ensures a low heat transmission from the absorber member to the transmission plate.
  • the said solutions all reduce outward heat loss, without impairing radiation of solar heat.
  • the spacing between the absorber member and the transmission plate may be constituted by a number of cavities with limited mutual communication. If the cavity between the transmission plate and the absorber member becomes too large, convection may arise in this cavity in spite of measures seeking to delimit the cavity in relation to the ambient atmosphere. This occurs as thermal actions on the solar panel element together with a natural tendency of equalising pressure differences over time will add atmospheric air to the cavity between the transmission plate and the absorber member. The continued thermal action of the solar panel element will heat this air, and by too large cavities, the heated air will rise whereby heated air will accumulate in the uppermost parts of the cavity. This means that the heat via contact with the transmission plate is transmitted to the surroundings. In order to avoid this convection problem, the cavity between the transmission plate and the absorber member may be diminished by dividing the cavity into a suitable number of smaller cavities. The division may be effected by dividing the cavity in any plane.
  • the limited mutual communication between the cavities may be constituted by one or more secondary transmission plates which preferably lie substantially in parallel with the absorber member.
  • insulating glass units consisting of two or more parallel glass panes are provided reduced U- value if the spacing between the glasses exceeds 16 mm. This U- value reduction is caused by convection in the space between two glass panes. If a solar panel element is required to be made with a certain thickness due to external requirements, including aesthetical demands, cavities between the absorber member and the transmission plate exceeding 16 mm will have a negative influence on the efficiency of the solar panel element.
  • This problem may be solved by inserting one or more secondary transmission elements such that heat radiation from the absorber member due to convection is reduced. For example, this may occur by disposing a double- or triple-layer insulating glass unit over the absorber member, and subsequently place the transmission element and the composite and/or corrugated transmission elements above the insulating glass unit.
  • the limited mutual communication between the cavities may be constituted by one or more barrier members connected with the transmission plate.
  • the barrier member or members may e.g. be translucent materials with low transmission coefficient, such as acrylic or other types of plastic.
  • the barrier member or members may appear by an integrated cantilever rib on the transmission element and under it, both in cases where the transmission element is a continuous or a composite and/or corrugated transmission element.
  • the limited mutual communication between the cavities may be constituted by one or more barrier members connected with the absorber member.
  • these barrier members consist of or are applied a technically black material in order thereby to contribute to collecting the heat from the solar radiation accessing the solar panel element, such that solar radiation, besides being absorbed by the absorber member, also may be absorbed in the barrier members and via the absorber member transmitted to the heat-absorbing medium.
  • the barrier member or members may appear by a fitted or by an integrated cantilever rib on the absorber member.
  • Barrier members connected with the transmission element as well as barrier members connected with the absorber member may be provided with a sealing against the absorber member and the transmission element, respectively. Thereby, further measures have been made to ensure a limited mutual connection between the cavities in order to avoid convection in the solar panel element. Moreover, it is possible that a first part of the barrier members of the solar panel element are connected with the absorber member, and where a second part of the barrier members of the solar panel element is connected with the transmission element. All of the above mentioned barrier members can be designed and composed with any thinkable geometrical patterns and shapes, whereby convection is reduced simultaneously with adding aesthetical value to the solar panel elements. Also, all of the above barrier members may be of any material which is dimensionally stable at temperatures occurring in solar panel elements. This may be plastic, metal, composite, glass or other suitable material.
  • the limited mutual communication between the cavities can be constituted by barrier members which constitute a barrier element, such as a rib element, wherein the cavities between the ribs may assume any geometric shape, e.g. rectangular, triangular, hexagonal, circular, oval or combinations of several geometrical shapes.
  • a barrier member element By formation of a barrier member element, there may particularly be achieved manufacturing advantages, as the solution to the convection problems is effected by designing this barrier member element, without interfering with optimised solutions regarding the transmission element or regarding the absorber member.
  • the barrier member element may be slats of flexible material which by combination achieve a desired rigidity for the composite material. Therefore, all prior art techniques from the carton and packing industry can be used as these techniques also concern formation of cavities by using flexible materials which by means of assembly methods attain higher strength/rigidity than the original material.
  • the barrier member element may e.g. be fastened to the absorber housing, the absorber member or the transmission plate, respectively, or possibly to several of these.
  • the barrier member element can be disposed loosely in the solar panel element.
  • the solar panel element can be adapted to be fastened to a building part behind, e.g. a roof or facade structure, by fastening the transmission plate thereto.
  • Prior art fastening solutions that include a clip retainer gripping around an edge of the covering material, may be used without any problems to grip around the transmission element, as the dimensions of the transmission element correspond to the other covering material.
  • solar panel elements may be added as part of the roofing, where both slate tiles and solar panel elements at respective lower edges are fastened to the closest-lying lath with a clip retainer that grips around the lower edge.
  • the upper edge of the cover elements may be secured by another clip retainer which is fastened to the closest lying lath, and where this clip retainer has resiliency, either by elastic material or by inherent spring action. The flexibility is necessary in order to maintain the possibility of adaptation by varying lath spacing.
  • an adapter profile By building the roofing elements into the surrounding roof surface of e.g. tiles, an adapter profile should be used.
  • the adapter profile is fitted on the transmission element and/or the absorber housing, and may have a design corresponding to the part of the surrounding roofing elements that are adapted for disposition under the overlap from the adjacent roofing elements.
  • Adapter profiles may be fitted on the solar panel element at any edge of the solar panel element.
  • an adapter profile fitted to the transmission element the profile can be fastened under, at the side and/or above the transmission element.
  • the adapter profile may advantageously be designed in a dark material since it by placing under an overlay of a translucent transmission element will appear in the same colour range as the absorber parts under the transmission elements.
  • the adapter profile may be of metal, plastic, composite or other weather-resistant materials, and be made of or be added a sealing profile, e.g. of EPDM, rubber or other flexible material.
  • the solar panel element can be adapted to be fastened to a building part behind, e.g. a roof or facade structure, by fastening the absorber housing thereto.
  • a building part behind e.g. a roof or facade structure
  • fastening the absorber housing thereto This enables invisible fastening of the solar panel element such that solar panel elements can be built together with existing roofing types which are without visible fastening.
  • This may e.g. be effected by fastening the solar panel element in a gripper fitting which is fastened to the underlying construction, and in which the absorber housing can be snapped on.
  • This solution is particularly suited for incorporation into slate and tile roofs where only invisible fastening of the roof tiles is used. Slate tiles in areas without strong wind action are thus most often without the so- called storm clip retainer gripping around the lower edge of the slate tile.
  • Roof tiles are often fastened with binders which are secured to the underlying structure and mounted in a hole or indentation at the inner side of the roof
  • the gripper fitting may of course be further designed with a clip retainer so that the gripper fitting is securing both the lower edge of the transmission element and the absorber housing.
  • An embodiment to prefer indicates that the absorber member at a side facing the building is provided with a covering of a heat insulating material.
  • a covering of a heat insulating material is provided with a covering of a heat insulating material.
  • the transmission plate is coated, preferably at its inner side, with a material with high transmission ability for sun radiation and low transmission ability for heat radiation.
  • the coating material is well-known in so-called low-energy insulating glass units where the material contributes to ensure minimal radiation of heat through the windows of the construction.
  • the said means for transforming solar radiation into heat radiation/heat conduction and to transfer the heat radiation/heat conduction to at least one tube is constituted by a material with high absorption capability for solar radiation, e.g. a so-called technically black material which absorbs a greater part of the wavelength spectrum found in sunlight.
  • the absorber member has as high absorption capability as possible for the sunlight falling on the absorber member. Thereby is transmitted as much of the energy from the sunlight as possible from the absorber member to the tubes of the solar panel element, e.g. by metallic connection between the absorber member and the tube. The energy is thereby transferred to the liquid to run through the tube or tubes disposed in the solar collector, where the tubing is provided with an inlet and a outlet connection, e.g. at the edges or underside of the solar panel element.
  • Fig. 1 shows a solar panel element according to the invention with a plane transmission plate
  • Fig. 2 is a roof of a construction where the solar panel element forms part of the roofing.
  • Fig. 3 shows a solar panel element according to the invention with a profiled transmission plate.
  • Fig. 4 shows a solar panel element according to the invention with a composite transmission plate.
  • Fig. 5 a shows fastening of a solar panel element at the lower edge of the transmission plate.
  • Fig. 5b shows fastening of a solar panel element at absorber holder and the lower edge of the transmission plate.
  • Fig. 5c shows yet a fastening of a solar panel element.
  • Fig. 6 shows a cross-section of two variants of a solar panel element.
  • Fig. 7 shows adjustable transmission plates.
  • Fig. 8 shows a cross-section of a solar panel element with limited internal convection.
  • Fig. 9 shows a cross-section of a solar panel element with limited internal convection.
  • Fig. 10 shows a cross-section wherein the transmission plate is provided with reflective coating at the inner side.
  • Fig. 11 shows a cross-section of a solar panel element where transmission plate and absorber members are uniformly corrugated.
  • the solar panel element 1 for thermal utilisation of solar radiation 2 according to the invention.
  • the solar panel element 1 consists of a transmission plate 3, an absorber housing 4 and an absorber member 5.
  • the transmission plate 3 is intended for passage of radiation 2 from the sun.
  • the absorber member 5 is provided with means 6 for transforming solar radiation 2 into heat radiation/heat conduction and with means 7 for transmitting the heat radiation/heat conduction to the two shown tubes 8. These tubes 8 are intended for passage of a heat absorbing medium 9.
  • the absorber housing 4 is provided with means 10 for retaining the absorber member 5.
  • the absorber housing 4 is provided with two retainer flanges 11.
  • the transmission plate 3 provided with an inner side 12 is fastened to the two retainer flanges 11 of the absorber housing 4.
  • the extension of the absorber housing 4 along the inner side 12 of the transmission plate 3 is less than the extension of the transmission plate 3.
  • Fig. 2 shows how the solar panel element 1 constitutes a covering element for roofing 13 of the roof 15 of a building construction 14.
  • the solar panel elements 1 are here built into an existing roofing 13 without resulting in increased offset in the element overlapping 16 compared with the existing covering 17.
  • the optical dimensions of the roof 15 are therefor largely unchanged.
  • Fig. 3 appears how it is possible to design the solar panel element 1 with a profiled surface 18 which is shown here corresponding to a standard corrugated fibre- cement board. Moreover, there is shown the possibility of placing more absorber retainers 4 under a single transmission plate 3 - here are thus two absorber housings 4 with room for possible existing laths between the two absorber housings 4. In order to avoid ventilating the heat over absorber members 5 away, sealing is provided between the retainer flanges 11 of the absorber housing 4 and the inner side 12 of the transmission plate 3.
  • the transmission plate 3 is composed of a number of transmission elements 19.
  • glass sheets cut to standard measure diagonal slate may constitute such a transmission element 19.
  • the absorber housing 4 is here equipped with retainer flanges 11 which are adapted to the fastening points common for mounting a diagonal slate roof.
  • Fig. 5a shows a detailed section of a roof 15 with incorporated solar panel elements Ia and Ib.
  • the solar panel element Ia is fastened to the underlying construction 14 by a clip retainer fastening 20 of the transmission plate 3 at its lower edge 21.
  • the clip retainer 22 is fastened to the lath 23 at a lowermost flange 24 by nailing to the lath 23.
  • the upper edge 25 of the transmission plate 3 may be fastened in that it is pushed into the same clip retainer 22.
  • the design of the clip retainer 22 and the size of the cantilevering 26 of the lower edge of the transmission plate beyond the retainer flange 11 of the absorber housing 4 enable that both clip retainer 22 and solar panel elements 1 can be used with other spacings between the laths 23 in a roof 15. Thereby it is possible to produce standard sizes of the solar panel elements such that these standard sizes can fit to most roof constructions.
  • FIG. 5b Another fastening possibility is shown on Fig. 5b where the solar panel element 1 is fastened to the underlying construction 14 by a clamp 27 which secures the absorber housing 4. Furthermore, the transmission plate 3 is fastened at its lower edge 21 by elongating the clamp 27 with a clip retainer part 28. Using a clamp 28 without clip retainer part 28 will enable an invisible fastening of the solar panel element 1.
  • FIG. 5c A further fastening option is indicated on Fig. 5c.
  • the solar panel elements Ia and Ib are fastened to the underlying construction 14 with a longitudinal fastening 29, e.g. a bent aluminium rail which is dark on the upward facing side.
  • the longitudinal fastening 29 is fastened to the top side of the lath 23, providing the possibility of levelling in case of minor irregularities over the extension of a lath 23.
  • the longitudinal fastening 29 is provided with a cantilever 30 fitted in a corresponding slot 31 in the absorber housing 4 on the solar panel element Ia.
  • the solar panel element Ib is secured by its upper end being placed under the longitudinal fastening 29.
  • the absorber housing 4 can be in direct connection with the absorber member 5, as heat transmission from the absorber part via the absorber housing 4 to the transmission element 3 is reduced by insulating packing between the absorber housing 4 and the transmission element 3.
  • the retaining flanges 11 of the absorber housing 4 can be omitted in that the absorber member can be fastened indirectly to the transmission plate 3 via an intermediate transparent insulating material to which transmission plate 3 and absorber member 5 are bonded.
  • the transmission plate 3 can be applied a surface coating which by photocatalytic and/or hydrophilic and/or hydrophobic process makes the surface self-cleaning.
  • Fig. 6 appears two different solar panel elements 1 shown in cross-section where the distance x indicates the length by which the transmission plate 3 extends beyond the absorber housing 4. Also, inside the absorber housing 4 are seen a number of absorber members 5. The absorber housing 4 is fixed to the transmission plate 3 by longitudinal retainer flanges 11 or by the longitudinal edge of the absorber housing.
  • FIG. 7 two different solar panel elements 1 appears again. Common to the two solar panel elements is that at least the transmission plates 3 are mutually adjustable, causing the lines formed by the transmission plates 3 to be adaptable to the remaining roofing, and thereby the entire roof may appear with the same undisturbed appearance.
  • Fig. 8 appears a cross-section of a solar panel element 1 which is shown with a corrugated transmission plate 3. Furthermore, there is shown a secondary transmission plate 33 which is substantially in parallel with the absorber members 5 arranged above an insulating material 34 in the absorber housing 4.
  • Fig. 9 appears a solar panel element 1 where internally of the transmission plate 3 there is arranged a number of ribs 35 along the corrugations of the transmission plate.
  • the ribs 35 have the purpose of ensuring that there is only modest convection in the cavity formed between the absorber members 5 and the transmission plate 3.
  • the ribs 35 can also be mounted on the absorber members 5 or alternatively be a loose part mounted during assembly of the solar panel element 1.
  • Fig. 10 is illustrated by an arrow 36 how a sunray penetrates through the transmission plate 3, striking an absorber member 5, from where the sunray illustrated by the arrow 37 is reflected and reflected again by an invisible coating on the inner side of the transmission plate 3.
  • a coating is typically a very thin metal coating known from insulating glass units.
  • Fig. 11 appears a variant of a solar panel element 1 where the transmission plate 3 is corrugated and where the absorber members 5 are designed with a substantially corresponding corrugation such that the distance between the transmission plate 3 and the absorber members 5 are about the same.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

L’invention concerne un élément de panneau solaire ainsi qu’un procédé de fabrication et de montage de ce dernier. L’élément de panneau solaire peut constituer un élément de couverture intégré et esthétiquement attrayant pour recouvrir l’enveloppe d’un bâtiment, peut être monté sans modifier les structures sous-jacentes potentiellement existantes, et peut respecter l’architecture de la couverture environnante du bâtiment. L’invention concerne en outre le montage d’un élément de panneau solaire qui est entièrement ou partiellement produit dans des conditions garantissant la qualité. Cet objectif est atteint grâce à un élément de panneau solaire comprenant une plaque de transmission, un boîtier absorbant et un élément absorbant. L’élément de panneau solaire de la présente invention est caractérisé en ce que la plaque de transmission a une portée plus importante que le boîtier absorbant, et en ce que ce que la plaque de transmission, par rapport au boîtier absorbant, possède une partie saillante, destinée, de préférence à recouvrir un toit ou un élément de façade.
PCT/DK2009/050229 2008-09-09 2009-09-09 Elément de panneau solaire Ceased WO2010028647A2 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DKPA200801256 2008-09-09
DKPA200801256 2008-09-09
DKPA200801772 2008-12-12
DKPA200801772 2008-12-12
DKPA200900247 2009-02-24
DKPA200900247 2009-02-24
DKPA200900789 2009-06-25
DKPA200900789 2009-06-25

Publications (2)

Publication Number Publication Date
WO2010028647A2 true WO2010028647A2 (fr) 2010-03-18
WO2010028647A3 WO2010028647A3 (fr) 2011-01-13

Family

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PCT/DK2009/050229 Ceased WO2010028647A2 (fr) 2008-09-09 2009-09-09 Elément de panneau solaire
PCT/DK2009/050230 Ceased WO2010028648A2 (fr) 2008-09-09 2009-09-09 Elément de panneau solaire

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Application Number Title Priority Date Filing Date
PCT/DK2009/050230 Ceased WO2010028648A2 (fr) 2008-09-09 2009-09-09 Elément de panneau solaire

Country Status (4)

Country Link
US (1) US20110162638A1 (fr)
EP (1) EP2331881A2 (fr)
CN (1) CN102203519A (fr)
WO (2) WO2010028647A2 (fr)

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WO2010083988A3 (fr) * 2009-01-20 2011-06-30 Cupa Innovacion, S.L.U. Plaque profilée à transmission d'énergie pour incorporation invisible dans un panneau climatique de bâtiment, et procédé et plaque profilée pour une telle incorporation
EP2386807A1 (fr) 2010-05-10 2011-11-16 T-Solar Global, S.A. Dispositif de support pour ensemble de générateur d'énergie solaire, ensemble de générateur d'énergie solaire comportant ce dispositif et son procédé d'installation
EP2823238A4 (fr) * 2012-03-08 2015-10-14 Lars A Bergkvist Un collecteur solaire et un panneau solaire avec des cellules solaires pour le toit d'un bâtiment
JP2020070993A (ja) * 2018-11-01 2020-05-07 俊明 前田 遮熱兼熱交換装置

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CN113531681A (zh) * 2020-04-21 2021-10-22 瀚润特环保设备（江苏）有限公司 一种太阳能再生能源低温技术除湿机

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WO2010083988A3 (fr) * 2009-01-20 2011-06-30 Cupa Innovacion, S.L.U. Plaque profilée à transmission d'énergie pour incorporation invisible dans un panneau climatique de bâtiment, et procédé et plaque profilée pour une telle incorporation
EP2386807A1 (fr) 2010-05-10 2011-11-16 T-Solar Global, S.A. Dispositif de support pour ensemble de générateur d'énergie solaire, ensemble de générateur d'énergie solaire comportant ce dispositif et son procédé d'installation
EP2823238A4 (fr) * 2012-03-08 2015-10-14 Lars A Bergkvist Un collecteur solaire et un panneau solaire avec des cellules solaires pour le toit d'un bâtiment
JP2020070993A (ja) * 2018-11-01 2020-05-07 俊明 前田 遮熱兼熱交換装置
JP7211618B2 (ja) 2018-11-01 2023-01-24 俊明 前田 遮熱兼熱交換装置

Also Published As

Publication number Publication date
WO2010028647A3 (fr) 2011-01-13
WO2010028648A3 (fr) 2011-01-13
WO2010028648A2 (fr) 2010-03-18
CN102203519A (zh) 2011-09-28
US20110162638A1 (en) 2011-07-07
EP2331881A2 (fr) 2011-06-15

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