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WO2016174038A1 - Élément de forme ondulée pour recevoir une pluralité de cellules solaires ainsi que module photovoltaïque - Google Patents

Élément de forme ondulée pour recevoir une pluralité de cellules solaires ainsi que module photovoltaïque Download PDF

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Publication number
WO2016174038A1
WO2016174038A1 PCT/EP2016/059300 EP2016059300W WO2016174038A1 WO 2016174038 A1 WO2016174038 A1 WO 2016174038A1 EP 2016059300 W EP2016059300 W EP 2016059300W WO 2016174038 A1 WO2016174038 A1 WO 2016174038A1
Authority
WO
WIPO (PCT)
Prior art keywords
wave
shaped element
solar cells
receiving
photovoltaic module
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/EP2016/059300
Other languages
German (de)
English (en)
Inventor
Johannes Stöllinger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2016174038A1 publication Critical patent/WO2016174038A1/fr
Anticipated expiration legal-status Critical
Priority to ZA2017/08018A priority Critical patent/ZA201708018B/en
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • 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
    • 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
    • F24S25/40—Arrangement of stationary mountings or supports for solar heat collector modules using plate-like mounting elements, e.g. profiled or corrugated plates; Plate-like module frames 
    • 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
    • F24S2025/80—Special profiles
    • F24S2025/805—Special profiles in the form of corrugated profiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—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

Definitions

  • Embodiments of the present invention relate to a wave-shaped element for accommodating a plurality of solar cells, a photovoltaic module and a method for producing a wave-shaped element for accommodating a plurality of solar cells and a photovoltaic module.
  • Embodiments are particularly directed to a wavy element for receiving a plurality of solar cells and a photovoltaic module, which can be installed inexpensively and without special tools on or as part of a corrugated metal roof.
  • a building is constructed from a plurality of building components.
  • the building components include in particular roof elements.
  • Building components form the basic structure of a building and offer protection against environmental influences, such as rain, wind or solar radiation.
  • Photovoltaic systems with solar cells serve the direct conversion of solar energy into electrical energy.
  • photovoltaic systems are often connected to the public grid, so that the generated electrical energy can be fed directly into the grid.
  • this often does not make sense, as it would be too costly and expensive to build a public grid.
  • a wave-shaped member for receiving a plurality of solar cells comprising the following components: a wave-shaped frame, the frame having four outer edges; an accommodating portion integrally formed with the wavy frame for accommodating a plurality of solar cells, the receiving portion defining a flat supporting surface;
  • the minimum distance of the receiving area to at least two outer edges of the frame corresponds to at least half a period of the waveform and / or at least a distance of 3.5 cm; wherein the wave-shaped element is a corrugated sheet and has a maximum thickness of 0.6mm.
  • a photovoltaic module comprising a wave-shaped element as described herein and a plurality of solar cells disposed in the receiving area of the wave-shaped element.
  • the flat support surface is understood, which is designed to receive the solar cells, for example.
  • the receiving area In the form of one or more solar units.
  • a possibly provided projection around the receiving area surrounds the receiving area and is therefore no longer understood as belonging to the receiving area 80.
  • the receiving area can be understood in particular as the area that is actually covered by the one or more solar units.
  • the distance from the receiving area to the outer edge of the frame is therefore understood in the case of the photovoltaic module regularly as the distance between the edge of the photovoltaic module to the outer edge of the frame.
  • this feature combination allows the user and owner of a house with corrugated iron roof easily and without further structural help such.
  • a 90 drill or the like can fix the photovoltaic module on his roof by simply nailing in existing corrugated roof elements.
  • the minimum distance between the edge of the wave-shaped element or photovoltaic module to the receiving area of the solar cells also guarantees that when driving nails into the sheet, the solar cells are not damaged.
  • the corrugated sheet can have a thickness of less than or equal to 0.5 mm, and in particular a thickness of 0.2 mm. This makes the nailing even easier.
  • the thickness of the corrugated sheet should be at least 0.1 mm 100.
  • the wave-shaped element or the photovoltaic module comprises a projection at least partially, preferably completely surrounding projection. This serves in particular to protect the glass edge of the solar unit introduced in the photovoltaic module.
  • a wavy element for receiving a plurality of solar cells comprising:
  • first part and a second part which are joined together along a joining groove 110, and form a wave-shaped frame, wherein the frame has four outer edges;
  • first and second receiving portion portion form the receiving area, wherein a receiving area adapted to receive a plurality of solar cells and defines a flat support surface; wherein the minimum distance of the receiving area to at least two outer edges of the frame corresponds to at least half a period of the waveform and / or at least a distance of 3.5 cm;
  • the wave-shaped element is formed of plastic.
  • the wave-shaped element or the photovoltaic module can be easily mounted on a roof. Since the significantly different thermal expansion coefficients of glass, which is regularly used as the upper protective layer over the solar cells, and plastic, however, can normally lead to problems in heating in the sun, the two-part design allows a positive attachment of the solar cells in the receiving area, wherein gluing or the like can be omitted regularly. Moreover, the manufacturing process for producing the two parts 130 of the wave-shaped element may be identical.
  • the wave-shaped element or the photovoltaic module can have a receiving region partially, preferably completely, circumferential groove.
  • the receiving region furthermore has at least one, preferably two recesses. These can serve the rear ventilation and thus regularly increase the energy yield of the photovoltaic module.
  • a recess can be formed within the receiving area, for example by milling or punching. This can be done in the same or a further step.
  • a method of manufacturing a photovoltaic module in which a plurality of solar cells are adhered to the receiving area of the wavy element produced as described herein. This is done in particular and in a simple and cost-effective manner with the aid of a double-sided adhesive tape.
  • silicone can be used for bonding.
  • the solar cells are commonly incorporated into the receiving area as solar units.
  • a solar unit is understood as meaning the laminate of one or more solar cells embedded between a lower and an upper protective layer.
  • the division of the wave-shaped element into two parts and the simple production by means of an injection molding process allow the cost-effective production of a photovoltaic module as described herein.
  • a multiplicity of solar cells typically in the form of one or more solar units, are introduced into a receiving groove portion of the first and second part of the wave-shaped element, respectively at least partially, preferably completely encircling receiving groove. Then, the first part of the wave-shaped element is connected to the second part of the wave-shaped element at a joining groove.
  • connection Possible types of connection are a snap lock, 180 hot calking or gluing. This type of production enables a simple form-fitting attachment of the solar cells within the wave-shaped element, which thus absorbs the solar unit and prevents removal, such as in the case of theft. At the same time, this type of attachment does not lead to excessive stresses and shear forces when heated in the sun.
  • Fig. 1 shows a schematic three-dimensional view of a wave-shaped
  • Fig. 2 shows a schematic three-dimensional view of a
  • Fig. 3 shows a schematic cross section through the embodiment of the
  • FIG. 4 shows a schematic three-dimensional view of a wave-shaped
  • FIG. 5 shows a schematic three-dimensional view of a 210 photovoltaic module according to a further embodiment of the present invention
  • Fig. 6 shows a schematic cross section through the embodiment of the wave-shaped element according to Fig. 5 along the line A-A according to an embodiment of the present invention.
  • FIG. 7 shows a schematic cross section through an embodiment of a roof-mounted photovoltaic module according to an embodiment of the present invention.
  • the wave-shaped element can be permanently installed on a building by simple means.
  • the wave-shaped element can be nailed onto an existing roof element, for example, from corrugated iron.
  • the wave-shaped element as understood herein has a regular 230 longitudinal wave structure with a constant period (distance between two maxima). Mathematically, the period corresponds to 2 ⁇ . In other words, the period represents the distance in the wave-shaped element in which the same structure repeats.
  • the wave-shaped element has a receiving region, which is formed integrally with the frame of the wave-shaped element.
  • the minimum distance of the receiving area is too at least two outer edges of the wave-shaped element at least a half period and in particular at least a 3/4 period.
  • 240 is the minimum distance of the receiving area to at least two outer edges of the wave-shaped element at least 3.5 cm and in particular at least 5 cm.
  • the recording area serves to accommodate a plurality of solar cells.
  • the solar cells are typically mounted in the form of a solar unit.
  • the solar unit is sometimes referred to as "laminate", and should be understood as the entirety of the solar cells and their encapsulation.
  • the inventor of the present disclosure has found that, particularly in emerging markets, a simple and inexpensive mounting of photovoltaic modules is needed, which at the same time is sufficient against theft
  • the photovoltaic module is formed from a one-piece wave-shaped element made of sheet metal or of a two-piece wave-shaped element made of plastic.
  • the inventor proposes a hitherto completely unusual way with regard to the fastening of the photovoltaic module, namely the simple fastening, for example, on a roof with the help of nails.
  • the hammering of a nail through the frame formed in the wave-shaped element can regularly lead to a break in the receiving area attached high-sensitivity solar cells or the solar unit (such as the sun-side tempered glass), as by the Hammering caused tremors
  • the inventor of the present invention has therefore found, in numerous experiments, that the minimum distance of at least half a period or at least 3.5 cm mentioned herein prevents damage to the solar unit since the shocks at that distance are sufficiently attenuated.
  • the minimum distance also serves to ensure that a simple slipping off the nail head with the hammer does not lead to a direct impact on the solar cells.
  • the thickness of the sheet used for this purpose is less than 0.6 mm, in particular smaller should be equal to 0.5 mm and preferably less than or equal to 0.2 mm.
  • This has the advantage that conventional nails without the use of drills or the like can be driven through the plate at all by means of a hammer. It is this. important to understand that in the typical field of application of the present invention, technical aids, such as a drill, or even a 220V or 1 1 0V AC voltage connection for operating the drill, are not regularly available. It may therefore be of fundamental importance to the consumer that the attachment of the photovoltaic module on the corrugated roof by the simple penetration of nails is possible.
  • the wave-shaped element can also itself act as part of the building and in particular of the roof.
  • the wave-shaped element can be integrated into the roof structure of a building like a conventional roof element.
  • the integration into the structure of the building has the consequence that a simple theft of the photovoltaic module is prevented because the photovoltaic module is firmly connected to the building.
  • the integration of the solar cells into the building structure has the consequence that the solar cells are well protected against mechanical influences and environmental influences such as, for example, solar cells. Wind are protected.
  • the photovoltaic module has a wave-shaped element described herein, on which a plurality of solar cells in the form of one or more solar units are arranged.
  • the solar unit typically has at least one electrical connection element, a lower protective layer and an upper protective layer.
  • the lower protective layer is firmly connected to the solar cells and below the solar cells arranged. It consists for example of special plastic film
  • the lower protective layer comes in the formation of the photovoltaic module with the receiving area of the wave-shaped element, for example. By gluing the solar unit in permanent contact.
  • the lower protective layer may then be firmly connected to the receiving area 310.
  • the upper protective layer may consist of glass, in particular of surface-treated glass such as, for example, mirror-poor and / or specially hardened glass.
  • the arrangement of the plurality of solar cells typically has a planar shape.
  • Flat in this case means that the extent in two coordinate axes of a Cartesian coordinate system is greater by at least an order of magnitude than in the third coordinate axis.
  • the solar cells are flat solar cells, typically less than 6 inches (15.6 cm) in size, and / or have a thickness in the range of less than 320 millimeters.
  • so-called 1/3 or 1/4 solar cells are used. These are, for example, 5 or 6 inch solar cells, which, however, were separated into 3 or 4 equal parts (the separation being parallel to the finger alignment and thus perpendicular to the busbar alignment of the solar cells).
  • this has the particular advantage that the output voltage of the photovoltaic module is 18 V_mpp (since each cell in the unheated state delivers 1/2 V_mpp), the voltage of the 330 photovoltaic module then actually drops in operation regularly to about 12-14 volts.
  • the photovoltaic module can be integrated into the building.
  • the photovoltaic module can either be mounted on an existing roof element, or it can be used as an alternative to a conventional roof element.
  • the photovoltaic module can withstand high mechanical stresses when used as intended. Also environmental influences can possibly be better absorbed by the.
  • the wave-shaped element 350 described here is adapted to this structure in that it also has a corrugated sheet structure in the edge regions.
  • it can replace such a conventional corrugated roof tile element;
  • the wave-shaped element can also be placed on an already existing corrugated roof element and fixed there.
  • the edge of the wave-shaped element or the solar module is deliberately chosen at least as half a period of the waveform or at least 3.5 cm. As already explained, it is found that this distance regularly suffices that nails can be hammered by the wave-shaped element in the outer region of the edge region without this causing a rupture of the solar cells located in the receiving region.
  • the size of the edge area is also no greater than twice the period of the waveform and / or no larger than 15 cm.
  • the shape of the wave-shaped element may be rectangular.
  • a typical dimension has a width (i.e., an extension in the direction of the undulations) of between 40 cm and 90 cm, in particular between 45 cm and 55 cm.
  • a width i.e., an extension in the direction of the undulations
  • an upper limit such as 55 cm has been found to be practicable in order to be able to comfortably transport the wave-shaped element or the photovoltaic module under the arm.
  • too narrow arrangements are too inefficient.
  • a typical length of the wave-shaped element or photovoltaic module (i.e., the extent parallel to the waveform) is between 100 cm and 220 cm, typically between 120 cm and 140 cm.
  • the photovoltaic module comprises several solar cells.
  • the electrical connection elements of which the building component comprises at least one 390, both the solar cells connected to each other and a connection can be made out of the photovoltaic module out.
  • at least one electrical connection element such as a cable (i.e., a power connection for the two poles) projects out of the solar unit between the lower protection layer and the upper protection layer. This allows, for example, a simple connection of the solar cells to the mains of a building.
  • semicrystalline, crystalline flexible or printed solar cells can be used as solar cells.
  • flexible solar cells are more expensive to purchase, they are also less susceptible to mechanical influences. Also a mixed arrangement is conceivable.
  • Crystalline solar cells are currently the most common solar cells.
  • Corrugated iron elements are often used and installed especially in emerging markets.
  • Typical corrugated sheet members have a corrugation of 76/18, ie, a waveform having a period of 78 cm and a height (ie, shaft minimum to maximum shaft) of 18 cm.
  • the photovoltaic module can be used in particular as a stand-alone system. This means that the photovoltaic module will not be connected to a public power grid 410. Rather, the generated electrical energy is consumed directly on site.
  • the electrical connection element of the photovoltaic module of the present description is typically formed from two wires which are provided without a plug or socket.
  • the wave-shaped element 1 is adapted by the wave shape in the frame 4 to a typical corrugated iron roof structure.
  • the frame comprises four outer edges 15.
  • the receiving area 5 into which the plurality of solar cells 20 can be accommodated is flat.
  • the receiving area 5 typically has a fastening web 10 which is designed to receive the solar cells.
  • the solar cells can typically be taken in the form of one or more solar units. As will be described in more detail later, the solar cells are typically adhered, in particular in the embodiments in which the wave-shaped element consists of sheet metal.
  • the receiving region has one or more recesses.
  • This can serve the better ventilation of the solar cells, which in turn can be beneficial for the energy yield.
  • the one or more recesses are thus behind the solar cells and in particular allow cooling of the solar cells by the ambient air. This is sometimes important for the efficiency of solar cells, which decreases with increasing temperatures.
  • the recesses are designated in FIG. 1 by the reference numeral 11. Between several recesses, a gutter, the is shown in Fig. 1 and is provided with the reference numeral 1 2, be provided.
  • the pick-up area is typically made in the same step, in which the waveform is also placed in a previously flat sheet, typically by deep-drawing or stamping.
  • the one or more recesses can be introduced into the wave-shaped element, for example by punching, milling, or cutting.
  • FIG. 2 now shows an embodiment of a photovoltaic module 2.
  • a multiplicity of solar cells 20 are introduced into the wave-shaped element 1.
  • the solar cells 20 are incorporated in one or more solar units 21 in the wave-shaped element.
  • the solar cells are arranged centrally in the wave-shaped element 1 according to the exemplary embodiments of the figures.
  • the frame 4 of the photovoltaic module remains free of solar cells.
  • an electrical connection element 3 may be present in the form of a connecting cable, which protrudes from the solar cell 20 from the wave-shaped element 1 460.
  • the electrical connection element is typically soldered directly on the back of the solar unit to the executed busbars of the solar cells.
  • the electrical connection element such as a cable
  • the connection element is led out through a sealed hole on the back side of the wave-shaped element.
  • silicone can be used.
  • the connection element is guided, for example, along a metal bead for mechanical protection to the outer edge of the photovoltaic module. This makes it possible to easily guide the cable during installation in the interior of the roof.
  • connection element consists exclusively of in numerous embodiments a power cable consisting solely of the two mutually insulated lines for the two different poles.
  • the wave-shaped element has a waveform as shown in the figures. This is typically 480 so that the frame 4 has a waveform.
  • the receiving area according to embodiments of the invention is flat and thus in particular without waveform.
  • the receiving area 5 can be increased relative to the rest of the wave-shaped element. This is to be understood that the height of the fastening web 1 0 is greater compared to the maximum height of the waveform. This allows the problem-free attachment to existing corrugated metal roof panels.
  • the receiving area can be at least 1 mm higher than the maximum height of the shaft 490. It is typical, however, that the receiving area protrudes no more than 1 0 mm above the maximum height of the shaft.
  • the waveform makes it possible to arrange the photovoltaic module 1 overlapping with other building components, both those with solar cells, as well as with conventional corrugated metal elements. In this way, a positive connection between the wave-shaped element 1 and adjacent components is achieved. This considerably increases the stability of the overall composite. As a result, the solar cells 20 and the solar unit 21 are less mechanically stressed, since acting forces can be absorbed by the overall composite.
  • the waveform at a low position 15 within the wave-shaped element transitions into a projection which forms the receiving area.
  • the low position 15 at which the waveform transitions into the projection is typically close to a minimum of the waveform, especially at a distance in the range of +/- 1 cm of the minimum, preferably at the minimum itself.
  • the receiving area is typically formed within the projection.
  • the 510 receiving area usually has a height of at least 3/4 of the wave height, preferably approximately the wave height itself. The applicability to existing roof elements made of corrugated iron is thus guaranteed.
  • the projection ensures increased rigidity of the wave-shaped element or of the photovoltaic module. This is even more true in synergy with the normal way rectangular shape of the receiving area. This leads to an easier transportability or to a reduced risk of damage of the photovoltaic module.
  • a water drain is formed by this geometry next to the receiving area, which extends groove-like around the low position 520 15 and is able to dissipate the water along this groove in use.
  • the receiving area 5 is at least partially surrounded by a projection 1 2, typically completely.
  • a projection 1 2 serves the rigidity of the wave-shaped element or of the photovoltaic module, in particular in the region of the receiving region.
  • the projection is typically dimensioned such that its height is above the height of the solar unit.
  • the projection is at least at the same height as the solar unit.
  • the projection is increased by at least 1 mm with respect to the solar unit.
  • the photovoltaic modules according to the invention can in particular be island systems which, during operation, have an output voltage of approximately 1 2-14 V available 540. Their design is therefore regularly with 1 8 V_mpp. It may be provided to use them with the help of a charge controller for charging electrical equipment without an additional interconnection is necessary. In principle, however, it is also possible to interconnect the photovoltaic module differently, so that it can be connected to inverters and forms a power supply for a building or is suitable as a power supply for a grid feed.
  • the solar cells are firmly connected, for example, with the aid of an adhesive in the receiving area.
  • the solar unit 21 is permanently connected to the wave-shaped element 1 with the aid of a double-sided adhesive tape 23, with which the photovoltaic module 2 is formed. Due to the similar coefficients of thermal expansion of glass and sheet metal, the splice is not subjected to constant mechanical stress during the course of the day. The solar cells are thus permanently fixed in the wave-shaped element and typically only by use of forcemenlösbar again. This makes a selective theft of solar cells almost impossible.
  • the wave-shaped element is formed in two parts.
  • the wave-shaped element is made of a plastic.
  • the division of the wave-shaped element takes place regularly perpendicular to the wave direction and in particular through the receiving area for solar cells.
  • FIG. 5 Such an embodiment is exemplified in FIG.
  • the first part 7 of the wave-shaped element and the second part 8 of the wave-shaped element are pushed together at a joining groove 9 570 and permanently connected to each other, for example by gluing or by means of a snap closure or hot calking. This is usually done after introducing one or more solar units in the receiving area. As a result, as shown by way of example in FIG. 5, get the photovoltaic module 2. Gluing the one or more solar units in the receiving area of the wave-shaped element is not necessary in this case.
  • a 580 receiving groove for the solar cells more typically the one or more solar units may be provided. This will be illustrated with reference to the schematic cross section shown in Fig. 6 along the dashed line of Fig. 5.
  • the receiving groove 6 in the assembled state of the photovoltaic module, partially, typically completely surrounds the receiving region.
  • the receiving groove thereby creates an opening which extends in the direction of the solar unit to be accommodated or the solar unit already introduced, as illustrated in FIG. 6.
  • the receiving groove typically serves the positive reception of 590 one or more solar units.
  • the depth of the groove i.e., the depth of the opening for receiving the one or more solar units
  • the width of the groove is typically 0.5 cm.
  • the width of the receiving groove is typically chosen to be slightly smaller than the thickness of the one or more solar units, so that the connection between the solar cells and the wave-shaped element can also be non-positive.
  • the receiving groove described herein typically projects the height of the solar unit.
  • the receiving groove thus additionally has the functionality which has been discussed 600 by way of example with reference to FIG. 3 for the projection 12, namely that in the case of a transport the sensitive surface of the one or more solar units is better protected.
  • a receiving groove is especially thought of in a two-piece wave-shaped element. Provision of a receiving groove, the sticking of the solar cells can be omitted in the receiving area.
  • An attachment of the solar cells by means of the receiving groove has the advantage that caused by different thermal expansion coefficients different expansions of the wave-shaped element and the solar cell 610 can be absorbed by both components, without damaging the solar cells. This may be particularly important in the case of a plastic wavy element.
  • FIG. 7 illustrates an exemplary cross-sectional view of an embodiment of the photovoltaic module described herein applied to and permanently connected to an existing roofing member 31 by means of nails 30.
  • another covering element can be provided during the assembly of the photovoltaic module, so that the frame 4 of the photovoltaic module is embedded between the roof element and 620 the covering element.

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

Abstract

L'invention concerne un élément de forme ondulée (1) et un module photovoltaïque pour recevoir ou comportant une pluralité de cellules solaires (20), comportant un cadre de forme ondulée (4) qui comprend quatre bords externes (15); un secteur de réception (5) formé d'une pièce avec le cadre de forme ondulée et destiné à la réception d'une pluralité de cellules solaires, le secteur de réception définissant une surface de pose; la distance minimale du secteur de réception à au moins deux bords externes (15) du cadre correspondant à au moins une demi période de la forme ondulée et/ou à au moins une distance de 3,5 cm; l'élément de forme ondulée étant composé en tôle et présente une épaisseur maximale de 0,6 mm.
PCT/EP2016/059300 2015-04-27 2016-04-26 Élément de forme ondulée pour recevoir une pluralité de cellules solaires ainsi que module photovoltaïque Ceased WO2016174038A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA2017/08018A ZA201708018B (en) 2015-04-27 2017-11-24 Undulated element for receiving a multiplicity of solar cells, and photovoltaic module

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015106454.5 2015-04-27
DE102015106454.5A DE102015106454A1 (de) 2015-04-27 2015-04-27 Wellenförmiges Element zur Aufnahme einer Vielzahl von Solarzellen sowie Photovoltaikmodul

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US20080000512A1 (en) * 2006-06-30 2008-01-03 Dri Energy Corporation Profile roof tile with integrated photovoltaic module
FR2931180A3 (fr) * 2008-05-15 2009-11-20 Eternit S A S Soc Par Actions Plaque ondulee de couverture
WO2010031484A1 (fr) * 2008-09-16 2010-03-25 Dr. Doll Holding Gmbh Module de couverture de toit
EP2378220A2 (fr) * 2010-04-14 2011-10-19 a2peak power Co., Ltd. Structure de tôle ondulée dotée d'un panneau solaire

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EP1184526B1 (fr) * 1999-06-09 2017-05-10 Kaneka Corporation Tuile de toit pour module de pile solaire
US6365824B1 (en) * 1999-07-21 2002-04-02 Kaneka Corporation Roof tile-cum-solar battery module
DE102006026297B3 (de) * 2006-06-02 2007-08-09 Solardirekt Gmbh & Co. Kg Längenvariable Vorrichtung zum Tragen eines oder mehrerer Solarpaneele

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Publication number Priority date Publication date Assignee Title
JP2001032452A (ja) * 1999-07-21 2001-02-06 Kanegafuchi Chem Ind Co Ltd 太陽電池モジュール用瓦、および太陽電池モジュール付瓦
US20080000512A1 (en) * 2006-06-30 2008-01-03 Dri Energy Corporation Profile roof tile with integrated photovoltaic module
FR2931180A3 (fr) * 2008-05-15 2009-11-20 Eternit S A S Soc Par Actions Plaque ondulee de couverture
WO2010031484A1 (fr) * 2008-09-16 2010-03-25 Dr. Doll Holding Gmbh Module de couverture de toit
EP2378220A2 (fr) * 2010-04-14 2011-10-19 a2peak power Co., Ltd. Structure de tôle ondulée dotée d'un panneau solaire

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ZA201708018B (en) 2019-05-29

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