WO2012115544A1 - Châssis de construction et procédé pour le montage de modules solaires sur une sous-structure - Google Patents

Châssis de construction et procédé pour le montage de modules solaires sur une sous-structure Download PDF

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Publication number
WO2012115544A1
WO2012115544A1 PCT/SE2011/050193 SE2011050193W WO2012115544A1 WO 2012115544 A1 WO2012115544 A1 WO 2012115544A1 SE 2011050193 W SE2011050193 W SE 2011050193W WO 2012115544 A1 WO2012115544 A1 WO 2012115544A1
Authority
WO
WIPO (PCT)
Prior art keywords
support members
elongate support
solar modules
construction frame
sub
Prior art date
Application number
PCT/SE2011/050193
Other languages
English (en)
Inventor
Johan Schagerlind
Göran ERIKSSON
Original Assignee
Sapa Profiler Ab
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 Sapa Profiler Ab filed Critical Sapa Profiler Ab
Priority to PCT/SE2011/050193 priority Critical patent/WO2012115544A1/fr
Publication of WO2012115544A1 publication Critical patent/WO2012115544A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • 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
    • F24S25/10—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
    • F24S25/632—Side connectors; Base 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
    • F24S25/65—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent supporting elements, e.g. for connecting profiles together
    • 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
    • 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

Definitions

  • the present invention relates to a construction frame for mounting of solar modules, especially frameless photovoltaic solar modules, to a sub-structure.
  • the present invention further relates to a method for mounting of solar modules, especially frameless photovoltaic solar modules, to a sub-structure
  • a fastening system When attaching a solar module to a supporting sub-structure a fastening system usually has to be attached to the solar panel through which the solar panel in a further step is mounted to a carrier of the supporting sub-structure, such as a construction frame.
  • the above mentioned further step usually involves attaching the fastening system to the carrier using screws or nuts and bolts.
  • Photovoltaic solar panel modules are used for direct conversion of solar energy to electricity.
  • thin film solar modules have photoactive layers having a thickness in the range of a few tens of nanometers to a few micrometers.
  • the photoactive layers with contact and possibly reflective coatings, are typically applied to a large area substrate, such as a pane of glass.
  • a further sheet material is usually laminated to the coated substrate, e.g. another pane of glass, to protect the photoactive layers from damage and weather.
  • a peripheral frame such as a frame from aluminum profile extrusions, is sometimes used. If no frame is provided, for example when panes of glass are used as a substrate and as a cover, it is called a frameless solar module.
  • Frameless solar modules are also usually attached to the supporting sub-structure using a variety of connectors which are fastened by means of screws or nuts and bolts.
  • WO2010040780 is previously known a photovoltaic system, a
  • the photovoltaic system comprises at least one photovoltaic module, a carrier for holding the at least one photovoltaic module and a pair of support elements comprising a first support element and a second support element, said system being adapted such that the pair of support elements can be slid at least partially into one another in that at least two guide elements on a first support element reach into the second support element, wherein one of the respective support elements is disposed on the back side of the respective photovoltaic module and one is disposed on the carrier.
  • the support member on the back side of the respective photovoltaic module serves as a mechanical reinforcement of the photovoltaic module.
  • WO2010040780 also discloses a sub-structure and a carrier for receiving the photovoltaic modules
  • a mounting system of uprights provides a sub-structure where the uprights are connected to the carrier which comprises several parallel profile bars that are connected to the uprights.
  • Two parallel mounting rails are provided on the profile bars and orthogonal thereto as a sub-structure for each line of photovoltaic modules.
  • Several lines of photovoltaic modules may be arranged in parallel, each line having its own pair of mounting rails. A complete pre-assembly of the carrier is thus possible, where the photovoltaic modules only need to be inserted as a final step.
  • an assembly jig is used for mounting of the rails to the profile bars, which assembly jig determines the orientation of the rails and the distance between the rails to allow for precise mounting of photovoltaic modules.
  • One object of the invention is to provide an improved construction frame for mounting of solar modules to a sub-structure, which allows for simple and economical assembly thereof.
  • the construction frame may be assembled and furnished with solar modules without the use of assembly jigs and screws or bolts and nuts, except for possibly securing thereof to a substructure.
  • One further object of the present invention is to provide an improved method for mounting of solar modules to a sub-structure, allowing for simple and economical assembly thereof.
  • the construction frame may be assembled and furnished with solar modules without the use of assembly jigs and screws or bolts and nuts, except for possibly securing thereof to a substructure.
  • Fig. 1 is a schematic illustration of uprights carrying a plurality of first elongate support members arranged in a spaced relationship and parallel to each other.
  • Fig. 2 is a detail of a first elongate support member, in particular illustrating the protruding first snap fit elements thereof.
  • Fig. 3 is a schematic illustration of how a plurality of second elongate support members are arranged in a spaced relationship and parallel to each other upon and orthogonally to the plurality of first elongate support members.
  • Fig. 4 is a schematic illustration of a section along one first elongate support member illustrating the interconnection of the first and second elongate support members through snap fitting as well as the mounting to the construction frame of a solar module.
  • Fig. 5 is a schematic illustration of a solar power installation comprising a construction frame in accordance with one embodiment of the present invention.
  • Fig. 6 is a schematic illustration of a holder unit of a sub-structure mounting system carrying a second elongate support member at a predetermined inclination angle with respect to the upright.
  • the present invention relates to a construction frame for mounting of solar modules 1 , especially frameless photovoltaic solar modules 1 , to a sub-structure 2.
  • the construction frame may be mounted, for example by means of suitable fastening elements, as illustrated in figure 1 to uprights 2a firmly placed in soil so as to form an open space solar system. Although not shown, it is also possible to mount the construction frame to an inclined building roof, a flat building roof or to a facade of a building.
  • a plurality of first elongate support members 3 are arranged in a spaced relationship and parallel to each other in a first plane. This plurality of first elongate support members 3 are attachable to the sub-structure 2.
  • a plurality of second elongate support members 4 are arranged in a spaced relationship and parallel to each other in the first plane upon and orthogonally to the plurality of first elongate support members 3.
  • the first longitudinal interconnection means 7 are tracks arranged to receive corresponding projecting second interconnection means 8.
  • the second longitudinal interconnection means are tracks arranged to receive corresponding projecting first interconnection means.
  • the first 3 and second elongate support members 4 have means 5, 6 for connecting to each other at a plurality of intersections there between through snap fitting.
  • the first elongate support members 3, at each intersection with the second elongate support members 4, has a protruding first snap fit element 5.
  • These protruding first snap fit elements 5 may be machined from a longitudinal ridge portion of the first elongate support members 3, e.g. through milling or stamping.
  • Each second snap fit element 6 is arranged to receive a protruding first snap fit element 5 for connecting the first 3 and second elongate support members 4 to each other.
  • the protruding first snap fit element 5 protrudes to a side facing the second elongate support members 4 and has a distal portion 5a with an essentially conical section and a proximate portion 5b with a comparatively narrower section.
  • the recessed second snap fit element 6, as shown in figure 4, comprises two opposing flexible protrusions the distal ends of which are provided with mutually facing catches 6a, 6b.
  • the catches 6a, 6b are arranged at a side of the second elongate support members 4 facing the first elongate support members 3.
  • the respective distal ends are adapted to flex away from each other upon being initially pressed onto the essentially conical section 5a of the protruding first snap fit element 5 and the catches 6a, 6b thereof are arranged to snap into the comparatively narrower section portion 5b of the protruding first snap fit element 5 upon being pressed further.
  • the second elongate support members 4 may easily be attached thereto without using a jig. This is possible as the predetermined spacing will ensure appropriate spacing of the second elongate support members 4 to allow the solar modules 1 to be slid into interconnection with the second elongate support members 4 from one end thereof.
  • the first 3 and second elongate support members 4 are preferably made from aluminum profile extrusions. A complete pre-assembly of the construction frame is thus possible where, once the first elongate support members 3 has been fixed appropriately to the sub-structure 2, the second elongate support members 4 simply may be attached to the first elongated support members 3 through snap fitting. The photovoltaic modules 1 may then be inserted as a final step through being slid into interconnection with the second elongate support members 4 from one end thereof, and may additionally be fixed to the construction frame without the assembly crew having to perform a variety of screw fastening operations.
  • the present invention also relates to such a method for mounting of solar modules 1 to a sub-structure 2.
  • a plurality of first elongate support members 3 are arranged in a spaced relationship and parallel to each other in a first plane and attached to the substructure 2.
  • the first elongate support members 3 may be attached to the sub-structure 2 using screws or bolts and nuts or any other suitable means for securing them to the substructure 2.
  • the sub-structure 2 may consist of uprights 2a placed in soil so as to form an open space solar system, an inclined building roof, a flat building roof or a facade of a building.
  • a plurality of second elongate support members 4 are arranged in a spaced relationship and parallel to each other in the first plane upon and orthogonally to the plurality of first elongate support members 3.
  • the method still further comprises connecting the first 3 and second elongate support members 4 to each other at a plurality of intersections there between through snap fitting.
  • the further step of mounting the solar modules 1 to the second elongate support members 4 is performed.
  • This mounting preferably involves sliding the solar modules 1 into interconnection with the second elongate support members 4 from one end thereof, which is possible when both the solar modules 1 and the second elongate support members 4 are furnished with complementary longitudinal interconnection means 7, 8.
  • other ways of mounting the solar modules 1 to the second elongate support members 4 may be envisaged, including such ways of mounting which relies on the use of screws or bolts and nuts and similar means for attaching the solar panels 1 to the second elongate support members 4.
  • the present invention also relates to a solar power installation which comprises a construction frame as described above and a plurality of solar modules 1.
  • a solar power installation which comprises a construction frame as described above and a plurality of solar modules 1.
  • An embodiment of such a solar power installation is illustrated in figure 5.
  • the solar modules 1 may be thin film photovoltaic solar modules 1 or alternatively silicon photovoltaic solar modules 1. Other types of solar modules could also be envisaged.
  • the solar power installation may further comprise a sub-structure 2 mounting system with a plurality of uprights 2a each of which carries a respective second elongate support member 4 of the construction frame via a holder unit 2b.
  • These holder units 2b are arranged to provide to the second elongate support members 4, and thus to the solar modules 1 , a
  • Each respective holder unit 2b may further be adjustably attached to its respective upright 2a so that the height of the holder unit 2b with respect to the upright 2a may be regulated, e.g. through a

Landscapes

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

Abstract

La présente invention concerne un châssis de construction pour le montage de modules solaires (1) sur une sous-structure (2) et un procédé pour le montage desdits modules solaires (1) sur une sous-structure (2). Plusieurs premiers éléments de support allongés (3) sont agencés de façon espacée et parallèlement les uns aux autres dans un premier plan pouvant être fixé sur la sous-structure (2). Plusieurs seconds éléments de support allongés (4) sont agencés de façon espacée parallèlement les uns aux autres dans le premier plan sur la pluralité de premiers éléments de support allongés et parallèlement à ceux-ci (3). Les premiers (3) et seconds éléments de support allongés (4) comprennent des moyens (5, 6) pour leur raccordement par encliquetage les uns aux autres au niveau de plusieurs intersections disposées entre eux.
PCT/SE2011/050193 2011-02-21 2011-02-21 Châssis de construction et procédé pour le montage de modules solaires sur une sous-structure WO2012115544A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SE2011/050193 WO2012115544A1 (fr) 2011-02-21 2011-02-21 Châssis de construction et procédé pour le montage de modules solaires sur une sous-structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2011/050193 WO2012115544A1 (fr) 2011-02-21 2011-02-21 Châssis de construction et procédé pour le montage de modules solaires sur une sous-structure

Publications (1)

Publication Number Publication Date
WO2012115544A1 true WO2012115544A1 (fr) 2012-08-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016156382A1 (fr) * 2015-03-30 2016-10-06 Georg Schöll Système de montage et procédé de montage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010040780A1 (fr) 2008-10-10 2010-04-15 Sunfilm Ag Installation photovoltaïque, module photovoltaïque et procédé de montage d’une installation photovoltaïque
EP2187448A2 (fr) * 2008-10-21 2010-05-19 Sunfilm AG Système de fixation, installation solaire et procédé de revêtement d'une installation solaire
EP2206992A2 (fr) * 2008-12-22 2010-07-14 fischerwerke GmbH & Co. KG Dispositif de support antidérapant
WO2010130952A2 (fr) * 2009-05-12 2010-11-18 Saint-Gobain Glass France Dispositif de fixation et procede de montage de modules solaires
DE102009003151A1 (de) * 2009-05-15 2010-11-18 Habdank Pv-Montagesysteme Gmbh & Co. Kg Traganordnung für Solarmodule

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010040780A1 (fr) 2008-10-10 2010-04-15 Sunfilm Ag Installation photovoltaïque, module photovoltaïque et procédé de montage d’une installation photovoltaïque
EP2187448A2 (fr) * 2008-10-21 2010-05-19 Sunfilm AG Système de fixation, installation solaire et procédé de revêtement d'une installation solaire
EP2206992A2 (fr) * 2008-12-22 2010-07-14 fischerwerke GmbH & Co. KG Dispositif de support antidérapant
WO2010130952A2 (fr) * 2009-05-12 2010-11-18 Saint-Gobain Glass France Dispositif de fixation et procede de montage de modules solaires
DE102009003151A1 (de) * 2009-05-15 2010-11-18 Habdank Pv-Montagesysteme Gmbh & Co. Kg Traganordnung für Solarmodule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016156382A1 (fr) * 2015-03-30 2016-10-06 Georg Schöll Système de montage et procédé de montage

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