WO2011023902A2 - Dispositif de fixation et procede de montage de modules solaires - Google Patents
Dispositif de fixation et procede de montage de modules solaires Download PDFInfo
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- WO2011023902A2 WO2011023902A2 PCT/FR2010/051771 FR2010051771W WO2011023902A2 WO 2011023902 A2 WO2011023902 A2 WO 2011023902A2 FR 2010051771 W FR2010051771 W FR 2010051771W WO 2011023902 A2 WO2011023902 A2 WO 2011023902A2
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- WIPO (PCT)
- Prior art keywords
- module
- support
- fastener
- relative
- face
- Prior art date
Links
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Classifications
-
- 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
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
- F24S25/632—Side connectors; Base connectors
-
- 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
- H02S20/24—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures specially adapted for flat roofs
-
- 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
- F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
- F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
-
- 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
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
- F24S25/634—Clamps; Clips
-
- 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
- F24S2025/01—Special support components; Methods of use
- F24S2025/014—Methods for installing support elements
-
- 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
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S2025/6004—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by clipping, e.g. by using snap connectors
-
- 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
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S2025/601—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by bonding, e.g. by using adhesives
-
- 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
- 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
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49355—Solar energy device making
Definitions
- the present invention relates to a device for attaching a solar energy recovery module to a structure, such as a roof, a facade or a load-bearing structure in the open field, and to a mounting method of at least one energy recovery module derived from solar radiation on a structure.
- a solar energy recovery module can be, in particular, a photovoltaic solar module, able to convert the energy from solar radiation into electrical energy, a solar thermal module, able to convert energy from solar radiation in thermal energy recovered in a heat transfer fluid, or a mixed solar module implementing these two types of energy conversion.
- a photovoltaic solar module is in the form of a laminated glazing unit comprising photovoltaic cells interposed between a transparent front substrate intended to be arranged on the side of incidence of solar radiation on the module, and a transparent rear substrate. or opaque, intended to be arranged opposite a mounting structure of the module.
- the front and rear substrates may in particular be formed by glass or thermoplastic polymer plates.
- the module is conventionally equipped with a metal frame, in particular made of aluminum, which covers its periphery. Fixing the module on the mounting structure is then obtained by joining the frame with the structure and / or with the frame of another module, in the case of mounting several juxtaposed modules.
- the fastening of the frame of each module with the mounting structure and possibly with adjacent module frames is most often done by screwing or bolting. This results in a relatively long assembly time photovoltaic modules on the structure, as well as a relatively long disassembly time in case of failure of one or more modules. Furthermore, the presence of a metal frame at the periphery of each module and the fixing of the module on the structure at this frame causes the appearance of mechanical stresses on the periphery of the module, which adversely affects the mechanical strength of the module. module. In addition, the metal frame of each module covers active surface portions at the periphery of the module which, if they were not covered, would participate in the energy conversion, which limits the efficiency of the module.
- the invention intends to remedy more particularly by proposing a fixing device enabling a quick and reliable mounting of solar modules on a receiving structure, without weakening the structure of the modules, as well as an easy replacement. modules once mounted on a structure, for example in case of failure.
- the invention relates to a device for fixing at least one energy recovery module derived from solar radiation on a structure, such as a roof, a facade or a load-bearing structure in the open field, in wherein the module is provided with at least one fastener on its face intended to be opposite the structure, the device comprising at least one support integral with the structure, the fastener and the support being adapted to be hooked one by relative to the other for fixing the module relative to the structure, characterized in that the support is secured to the latching structure.
- the support comprises a detent part defining an interior volume for receiving a part of the structure, the detent part being elastically deformable and adapted to grip the part of the structure in its interior volume;
- the fastener comprises a pattern, projecting or recessed, capable of coming into engagement with a complementary hollow or projecting pattern of the support, the fastener and the support being able to be hung relative to one another; the other by engaging their respective motives;
- the patterns of the fastener and the support each have a cross-section which decreases in one direction of the pattern, the patterns of the fastener and of the support being able to come into mutual engagement by a sliding movement of the relative to the other in the said direction of the pattern;
- the motif of the fastener and the pattern of the support are of trapezoidal complementary shapes
- the support comprises a first latching portion on the structure and a second latching portion relative to a fastener, the first and second parts being spaced apart from each other;
- the support comprises means for modulating the distance between the first and second parts
- the device comprises at least two fasteners integral with the face of the module and two supports integral with the structure, the distance between the first and second parts of one of the supports being different from the distance between the first and second parts of the structure; another support such that in fixed configuration of the module on the structure, the module is inclined at an angle with respect to a mean plane of attachment of modules on the structure;
- the fastener is made of an electrical insulating material, in particular a polymer material or a polymer matrix;
- the support consists of an electrical insulating material, in particular a polymer material or a polymer matrix;
- the device comprises at least two fasteners secured to the face of the module being regularly distributed over said module face and offset internally relative to the peripheral edges of the module;
- the module is a photovoltaic module without a frame, which comprises a front substrate, a rear substrate and at least one photovoltaic cell interposed between the front and rear substrates, the or each fastener being integral with a face of the rear substrate opposite to the photovoltaic cell.
- the invention also relates to a method of mounting at least one energy recovery module from solar radiation on a structure, such as a roof, a facade or a load-bearing structure in the open field, by means of a fixing device as described above, comprising steps in which:
- At least one fastener is secured to the face of the module which is intended to face the structure
- the mounting method comprises steps in which:
- At least one fastener is secured to the face of the module which is intended to face the structure
- the module is fixed relative to the structure by putting the patterns of the fastener and the support in mutual engagement by a downward sliding movement in the direction of the ground, the fastener relative to the support.
- such a mounting method comprises steps in which:
- At least one first and one second fastener is secured to the face of the module which is intended to face the structure;
- - Snap at least a first and a second support relative to the structure;
- FIG. 1 is a perspective view of photovoltaic solar modules mounted on a carrying structure by means of fixing devices according to a first embodiment of the invention
- FIG. 2 is a perspective view on a larger scale according to the arrow II of Figure 1;
- FIG. 3 is an enlarged and exploded view of detail III of FIG. 2;
- FIG. 4 is a perspective view along the arrow IV of Figure 3, on which the photovoltaic module has been omitted;
- FIG. 5 is a perspective view from below of a photovoltaic module of FIG. 1 provided with fasteners of its fixing device;
- FIG. 6 is a view similar to Figure 5, but in exploded perspective
- FIG. 7 is an elevational view of photovoltaic solar modules mounted on a support structure by means of fixing devices according to a second embodiment of the invention.
- FIG. 8 is a perspective view on a larger scale of a support of a fixing device of FIG. 7; and FIG. 9 is a view similar to FIG. 7 of solar photovoltaic modules mounted, by means of fixing devices according to the first embodiment of the invention, on a different carrier structure of the load-bearing structures shown in FIGS. 1 and 7; .
- photovoltaic modules 10 are mounted on a carrier structure 30, of the carrier structure type in the open field, by means of fixing devices 1 according to the invention.
- the structure 30 is adapted to receive the modules 10 with an inclination relative to the horizontal, designed to maximize the incident solar radiation on the module.
- ⁇ is the average plane of attachment of the modules 10 on the structure 30, which is inclined at an angle ⁇ relative to the horizontal.
- the angle ⁇ of inclination of the mean plane ⁇ with respect to the horizontal is of the order of 45 °. More generally, the angle ⁇ may be between 0 ° and 90 °, preferably between 10 ° and 90 °.
- the structure 30 is a stainless steel structure comprising a plurality of beams 31, 33, 35 arranged between them so as to form a frame thangulate, on which are fixed cross members 37 with a quadrilateral cross section.
- the crosspieces 37, of which X37 is a longitudinal axis, are mutually parallel and intended to receive a plurality of juxtaposed photovoltaic modules 10, each photovoltaic module 10 being mounted on the structure 30 by means of the fixing device 1.
- This fixing device 1 comprises, for each module 10, four fasteners 20 integral with the module and four supports 40 integral with the structure.
- each module 10 is a parallelepiped photovoltaic module without a frame, which comprises a front substrate 11, a rear substrate 12 and one or more photovoltaic cells 13 interposed between the front 11 and rear 12 substrates.
- front substrate 11, intended to be arranged on the side of incidence of solar radiation on the module 10 is transparent, for example consisting of an extra-clear transparent glass or a transparent thermoplastic polymer such as polycarbonate, polyurethane or polymethylmethacrylate.
- the rear substrate 12, intended to be arranged facing the structure 30, is made of any suitable material, transparent or not.
- the or each photovoltaic cell 13 positioned between the substrates 11 and 12 is formed by a stack of thin layers successively comprising, from the front substrate 11, an electrically conductive transparent layer 14, in particular based on transparent conductive oxide (Transparent Conductive Oxide). or TCO), which forms a front electrode of the cell; an absorber layer 15 adapted to ensure the conversion of the energy from the solar radiation incident on the cell into electrical energy, in particular a thin film based on silicon, amorphous or microcrystalline, or based on cadmium telluride; and an electrically conductive layer 16 which forms a back electrode of the cell.
- TCO Transparent Conductive Oxide
- an absorber layer 15 adapted to ensure the conversion of the energy from the solar radiation incident on the cell into electrical energy, in particular a thin film based on silicon, amorphous or microcrystalline, or based on cadmium telluride
- an electrically conductive layer 16 which forms a back electrode of the cell.
- the absorber layer 15 of the or each cell 13 may be a thin layer of chalcopyrite compound comprising copper, indium and selenium, said CIS absorber layer, optionally supplemented with gallium (layer of CIGS absorber), aluminum or sulfur.
- the or each thin-film cell 13 comprises a stack similar to that described above, a not shown polymeric lamination interlayer being furthermore positioned between the front electrode 14 of the cell and the front substrate 11, so as to to ensure a good cohesion of the module 10 during its assembly.
- the lamination interlayer may in particular be made of polyvinyl butyral (PVB) or ethylene vinyl acetate (EVA).
- the or each cell 13 may be formed from "wafers" or polycrystalline or monocrystalline silicate wafers forming a p / n junction.
- connection boxes 50 are equipped with two connection boxes 50, integral with the face 10A of the module intended to face the structure 30, which is the face of the rear substrate 12 opposite the or each photovoltaic cell 13.
- connection boxes 50 are secured to the face 10A of the module by any appropriate means, in particular by gluing, and are positioned symmetrically to each other with respect to a longitudinal center axis X10 of the module, at a middle portion of the module relative to the direction of the axis X10.
- the junction boxes 50 are connected to each other and to the outside by means of cables 52, which allows the electrical connection of the module 10, once mounted on the structure 30, with adjacent modules 10 and unrepresented setting devices. available electric current.
- each module 10 is provided with four fasteners 20, secured to the face 10A of the module by gluing by means of an adhesive material.
- the four fasteners 20 are identical to each other and evenly distributed on the face 10A of the module 10, being internally offset relative to the longitudinal peripheral edges 18 and transverse 19 of the module. More specifically, if one divides the face 10A of the module into four dials of the same dimensions, the fasteners 20 are each positioned at a central portion of one of the dials.
- Such an arrangement of the fasteners 20 distributed on the face 10A makes it possible to reinforce the structure of the module 10 and to improve its mechanical strength.
- each support 40 has a first latching portion 42 on the structure 30 and a second hooking portion 44 relative to a fastener 20.
- the latching portion 42 generally has a U-shape, where the opening of the U is partially closed by a rim 43.
- One of the lateral branches of the U-shaped detent portion 42 is formed by the attachment portion 44, while the Another side branch 41 of the U-shaped detent portion 42 is extended by the flange 43, curved toward the engaging portion 44.
- the detent portion 42 has a quadrilateral cross-section, open between the flange 43 and the portion 44, which is complementary to the cross section of each cross member 37.
- Each support 40 of the fixing device 1 is made of an elastically deformable material, so that the lateral branches 41 and 44 of the detent part 42 are able to be elastically separated from each other. It is thus possible to enlarge the opening delimited between the rim 43 and the attachment portion 44, in order to obtain the snap of the portion 42 on a crossmember 37 of the structure 30.
- each support 40 is made of an electrical insulating material, in particular a polymer or polymer matrix material, such as polypropylene, preferably reinforced with fibers, in particular glass fibers.
- each fastener 20 is in the form of a parallelepipedal plate of thickness e 2 o, of which one face 2OA comprises the recessed pattern 25.
- each fastener 20 of the fixing device 1 is made of an electrical insulating material, in particular a polymer or polymer matrix material, such as polypropylene, possibly reinforced with fibers, such as glass fibers.
- each fastener 20 and each support 40 of the fixing device 1 according to the invention are made of a polymer material or a polymer matrix
- each fastener 20 and each support 40 is advantageously shaped by molding, in particular by injection molding, or by any other appropriate method.
- the recessed pattern 25 of each fastener 20 and the projecting pattern 45 of each support 40 have complementary trapezoidal profiles, the cross-section S25, S 45 of each pattern 25, 45 decreasing in a longitudinal direction X25, X45 of the pattern.
- the patterns 25 and 45 of a fastener and a support 40 of the device 1 are thus able to come into mutual engagement by a sliding movement of one with respect to the other in the longitudinal direction X25, X45 of the patterns. as shown by the arrow F 1 in FIG. 2.
- the pattern of a fastener 20 is engaged with the pattern 45 of a carrier 40, the fastener and the carrier are hooked relative to one another. other.
- This attachment of the fastener 20 and the support 40 is reversible, insofar as, when the patterns 25 and 45 are in mutual engagement, there remains a degree of freedom of translation of the fastener 20 relative to the support 40, in the direction of the arrow F 2 of Figure 2 opposite the arrow Fi. In other words, when the patterns 25 and 45 are in mutual engagement, the fastener 20 and the support 40 are immobilized relative to each other except in the direction of the arrow F 2 .
- each fastener 20 is fixed on the face 10A of the module 10 so that the X axis 25 of its recessed pattern 25 is parallel to the longitudinal axis X10 of the module.
- the thickness e 2 o of each fastener 20 of the device 1 is equal to the thickness e 50 of each of the two connection boxes 50 of the module 10.
- the four supports 40 for receiving a module 10 are distributed in pairs on two adjacent crosspieces 37, one of these crosspieces, called the upper cross member, being disposed above the other, called the lower cross member, because of the fact that angle of inclination ⁇ of the plane ⁇ for attaching modules to the structure 30.
- the axis X 45 of the projecting pattern 45 of the support is oriented transversely relative to the X37 axis of the cross.
- the invention for which the average plane ⁇ for fixing modules is inclined relative to the horizontal according to the angle ⁇ between 0 ° and 90 °, preferably between 10 ° and 90 °, by means of the fixing device 1 complies the invention comprises steps as described below.
- Supports 40 are also secured to the structure 30, by snapping the portion 42 of each support on cross members 37 of the structure. More specifically, for each module 10, four supports 40 are snapped onto two adjacent crosspieces 37, upper and lower because of the angle of inclination ⁇ of the plane ⁇ , namely two supports on the upper cross member 37 and two supports on the crossbar 37 lower, by arranging the supports on the sleepers with a suitable spacing corresponding to the spacing between the fasteners 20 of the modules 10. Each support 40 is snapped onto the corresponding cross member 37 so that the cross section S 45 of its pattern 45 decreases towards the ground.
- each support 40 is mounted loosely or with a certain clearance on the crossmember 37 corresponding in snapped configuration, that is to say with the possibility of sliding of the support 40 relative to the crossbar 37, it is possible to adjust the positioning of the supports 40 on the structure 30, prior to assembly of the modules 10 or during assembly. This positioning is then blocked by gluing the supports 40 relative to the structure 30, by means of an adhesive material which fills the clearance between the portion 42 and the cross member 37.
- each module 10 is fixed relative to the structure 30 by putting the patterns 25 of the four fasteners 20 of the module in engagement with the patterns 45 of the four brackets 40 snapped into place. on the structure 30 for this purpose.
- This mutual engagement of the patterns 25 and 45 is obtained by a downward sliding movement, in the direction of the arrow F 1 of FIG. 2, in the direction of the ground, of the module 10 with respect to the structure 30.
- the step of securing the fasteners 20 with the face 10A of each module is performed on the manufacturing site of the modules 10, in an integrated manner on the module manufacturing line, while the following steps are performed on the module assembly site 10.
- the disassembly of the module 10 operates in a particularly simple manner, by an upward sliding movement. , in the direction of the arrow F 2 in FIG. 2, of the module 10 with respect to the structure 30.
- the fixing device 1 differs from the fixing device of the first embodiment only by the structure of the supports 40. More specifically, in this second embodiment, the latching portion 42 and the portion of Each fastener 44 of each support 40 is spaced from each other and connected to each other by a joining portion 46. In other words, the fastening portion 44 no longer forms a lateral branch of the detent part 42, but is connected to a lateral branch 48 of the part 42 by the joining part 46.
- the supports 40 associated with each module 10 are chosen so that the distance between the parts 42 and 44 is different between the first pair of module supports, snapped onto the upper cross member 37 of the structure 30, and the second pair of module supports, snapped onto the lower cross member 37.
- each support 40 is advantageously molded in one piece by injection of a polymeric material, such as polypropylene, this polymeric material being preferably reinforced with fibers, especially glass fibers.
- a polymeric material such as polypropylene
- this polymeric material being preferably reinforced with fibers, especially glass fibers.
- the structure of each support 40, shown in FIGS. 7 and 8, is very schematic. In particular, reinforcement elements at the junction portion 46, which are necessary to ensure a satisfactory mechanical strength of the support 40, have not been shown in these figures.
- Such a floor arrangement of the modules 10 prevents the parking of dirt, or snow, between two adjacent modules and thus limits the clogging of the modules.
- the supports 40 of the fixing device 1 according to this second embodiment can be manufactured in two distinct series, one having the spacing d ⁇ between the parts 42 and 44 and the other having the spacing d 2 between the parts 42 and 44.
- the supports 40 may be manufactured according to a single model comprising means for modulating the distance between the parts 42 and 44, for example a notched system. In this case, reinforcements specific to the junction zone between the parts 42 and 44 are to be provided, in order to maintain satisfactory mechanical strength of the support.
- a fixing device allows a quick and easy mounting of solar modules on a structure, such as a carrier structure in full field, by mutual engagement of the reasons for the fasteners and supports of the fastening device, without requiring special tools.
- This engagement is effected by a simple relative sliding movement of each module relative to the structure, until the blockage resulting from the flared shape, in particular trapezoidal, of each pattern.
- the positioning of the modules on the structure is easy, by adjusting the position of the snapped-on supports on the mounting structure.
- the fixation obtained modules on the structure is reliable and robust.
- the load bearing of the modules is satisfactory thanks to the regular distribution of the fasteners on the rear face of each module.
- the assembly of the modules with the structure obtained according to the invention is reversible, which allows individual disassembly of a module with respect to the structure, in case of failure of this module.
- a fixing device allows the mounting of modules on any type of structure, thanks to the possible adaptation of the profile of the snap portion of the supports, while the profile of the part of hanging brackets and fasteners, that is to say the profile of their patterns in relief, remains unchanged.
- the air convection movements to the rear of the modules, and thus the cooling of the modules are improved.
- the constituent elements of a fixing device according to the invention namely the fasteners and the supports, have the advantage of being able to be manufactured simply and economically, in particular by injection of a polymer material.
- the device according to the invention when it involves, for fixing the modules, only elements made of an electrical insulating material, in particular a polymer material or polymer matrix, also eliminates the need to connect the modules to earth, while avoiding the risk of deterioration of high-voltage modules, particularly by delamination.
- of the fasteners and supports made of polymeric material are also able to absorb, by elastic deformation, vibration movements of the modules relative to their mounting structure, which may occur for example under the effect of wind. This results in a damping of the noises associated with such vibration movements.
- a fixing device may involve fasteners and supports having shapes and distribution modes, on the modules and on the receiving structure, different from those described above, or a number different from fasteners and brackets. These parameters can in particular be adapted according to the predictable loading on the modules, once they are fixed on the structure, for example a loading of wind or snow.
- the fasteners are advantageously regularly distributed on the rear face 10A of the module, so as to strengthen the structure of the module.
- each module must withstand a particularly large load
- a fifth fastener disposed of centrally with respect to the module and to connect the upper and lower crossmembers receiving the supports with a central beam on which a fifth support, intended to cooperate with the fifth fastener, can be latched.
- the patterns in relief, that is to say projecting or recessed, fasteners and supports of a fastening device according to the invention may be different from those described above, particularly in terms of shape and of cut.
- the patterns may also have a shape different from a trapezoidal shape, preferably retaining a variation of the cross-section of each pattern according to the longitudinal direction of the pattern, in order to obtain a lock between the pattern of a tie and the reason for a support when they are in mutual engagement.
- the constituent materials of the fasteners and supports of a fastening device according to the invention may be different from those described above.
- the supports can in turn be made of any material having elastic deformability properties adapted to their latching function.
- the supports can be made of a metallic material, but in this case the thickness e 20 ties consist of electrically insulating material is preferably greater than 10 mm, more preferably greater than 15 mm, to ensure a distance sufficient between the modules and the metal supports, the latter being, because of their electrical conductivity, likely to induce deterioration of the high voltage modules if they are too close to the modules.
- a tile-like floor arrangement of the modules on the structure which is an advantageous arrangement for limiting the clogging of the modules, can be obtained by means other than an adaptation of the support structure of the modules.
- fixing device according to the invention as illustrated in the second embodiment, wherein a different distance between the latching and hooking parts is provided from one support to another.
- a floor arrangement of the modules can be obtained by modifying the structure of the fasteners or the module receiving structure, rather than the structure of the supports. The modification of the reception structure with a view to obtain a floor arrangement of the modules is illustrated in Figure 9.
- the fastening device is that of the first embodiment, but the cross members 37, instead of being directly attached to the beams 35 of the structure 30, are fixed on rods 39 projecting from the beams 35. More specifically, as shown in Figure 9, for each module 10 to be fixed on the structure 30, the upper cross member 37 receiving the module is fixed on rods protruding 39 having a length d u while the lower cross member 37 receiving the module is fixed on projecting rods 39 having a length d 2 greater than di.
- each module is inclined at an angle ⁇ of the order of 10 ° relative to the plane ⁇ .
- a fixing device can be implemented for mounting, on a structure, modules with or without peripheral frames, the frameless option being however preferred.
- a fixing device according to the invention can also be used for mounting solar modules of any type, on a receiving structure of any type.
- the photovoltaic solar modules described above can be used to reduce the number of photovoltaic / thermal modules.
- the receiving structure can be indifferently a carrier structure in the field, a roof or a facade, the profile of the snap portion of the supports of the fixing device according to the invention being easily adaptable to allow snapping on any type of reception structure.
Landscapes
- 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)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020127000022U KR200480406Y1 (ko) | 2009-08-25 | 2010-08-25 | 태양광 모듈을 장착하기 위한 고정 장치 및 방법 |
US13/392,289 US8887454B2 (en) | 2009-08-25 | 2010-08-25 | Solar module attachment device and mounting method |
DE212010000122U DE212010000122U1 (de) | 2009-08-25 | 2010-08-25 | Vorrichtung zur Befestigung von Solarmodulen |
CN2010900011088U CN202993633U (zh) | 2009-08-25 | 2010-08-25 | 太阳能模块附接装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0955785 | 2009-08-25 | ||
FR0955785A FR2949494B1 (fr) | 2009-08-25 | 2009-08-25 | Dispositif de fixation et procede de montage de modules solaires |
Publications (2)
Publication Number | Publication Date |
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WO2011023902A2 true WO2011023902A2 (fr) | 2011-03-03 |
WO2011023902A3 WO2011023902A3 (fr) | 2011-12-22 |
Family
ID=42199273
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2010/051771 WO2011023902A2 (fr) | 2009-08-25 | 2010-08-25 | Dispositif de fixation et procede de montage de modules solaires |
PCT/FR2010/051772 WO2011023903A2 (fr) | 2009-08-25 | 2010-08-25 | Systeme de montage de modules photovoltaiques |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2010/051772 WO2011023903A2 (fr) | 2009-08-25 | 2010-08-25 | Systeme de montage de modules photovoltaiques |
Country Status (6)
Country | Link |
---|---|
US (2) | US8887454B2 (fr) |
KR (2) | KR200480266Y1 (fr) |
CN (2) | CN202957264U (fr) |
DE (2) | DE212010000122U1 (fr) |
FR (2) | FR2949494B1 (fr) |
WO (2) | WO2011023902A2 (fr) |
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US8667748B2 (en) | 2009-06-05 | 2014-03-11 | First Solar, Inc. | Photovoltaic module ground mount |
US9349893B2 (en) | 2009-06-05 | 2016-05-24 | First Solar, Inc. | Photovoltaic module ground mount |
US9046282B2 (en) | 2010-08-06 | 2015-06-02 | First Solar, Inc. | Folding mount for photovoltaic modules |
WO2013103691A1 (fr) * | 2012-01-04 | 2013-07-11 | Solar Cube Llc | Appareil de montage photovoltaïque et procédé d'installation |
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Also Published As
Publication number | Publication date |
---|---|
CN202957264U (zh) | 2013-05-29 |
US20120174968A1 (en) | 2012-07-12 |
FR2949494B1 (fr) | 2015-02-13 |
KR20120003444U (ko) | 2012-05-17 |
KR20120004267U (ko) | 2012-06-14 |
WO2011023903A3 (fr) | 2012-07-12 |
FR2949548A1 (fr) | 2011-03-04 |
CN202993633U (zh) | 2013-06-12 |
WO2011023902A3 (fr) | 2011-12-22 |
DE212010000121U1 (de) | 2012-06-05 |
WO2011023903A2 (fr) | 2011-03-03 |
FR2949494A1 (fr) | 2011-03-04 |
KR200480406Y1 (ko) | 2016-05-20 |
US20120174981A1 (en) | 2012-07-12 |
KR200480266Y1 (ko) | 2016-05-02 |
US8887454B2 (en) | 2014-11-18 |
FR2949548B1 (fr) | 2013-02-15 |
DE212010000122U1 (de) | 2012-04-11 |
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