WO2012095413A1 - Système de fixation pour le montage de modules solaires sur un bac acier - Google Patents

Système de fixation pour le montage de modules solaires sur un bac acier Download PDF

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Publication number
WO2012095413A1
WO2012095413A1 PCT/EP2012/050296 EP2012050296W WO2012095413A1 WO 2012095413 A1 WO2012095413 A1 WO 2012095413A1 EP 2012050296 W EP2012050296 W EP 2012050296W WO 2012095413 A1 WO2012095413 A1 WO 2012095413A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail
profile
receiving space
bottom plate
holders
Prior art date
Application number
PCT/EP2012/050296
Other languages
German (de)
English (en)
Inventor
Sandy Schnitzer
Lisa HERTLEIN
Original Assignee
Mounting Systems Gmbh
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 Mounting Systems Gmbh filed Critical Mounting Systems Gmbh
Priority to US13/979,290 priority Critical patent/US20140041202A1/en
Priority to CN2012800130593A priority patent/CN103443562A/zh
Priority to CA2824226A priority patent/CA2824226A1/fr
Priority to AU2012206683A priority patent/AU2012206683A1/en
Priority to EP12700120.4A priority patent/EP2663815A1/fr
Priority to JP2013548816A priority patent/JP5933593B2/ja
Publication of WO2012095413A1 publication Critical patent/WO2012095413A1/fr
Priority to ZA2013/04267A priority patent/ZA201304267B/en

Links

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
    • 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
    • F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
    • F24S25/615—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures for fixing to protruding parts of buildings, e.g. to corrugations or to standing seams
    • 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
    • F24S25/30—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors
    • F24S25/33—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors forming substantially planar assemblies, e.g. of coplanar or stacked profiles
    • F24S25/35—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors forming substantially planar assemblies, e.g. of coplanar or stacked profiles by means of profiles with a cross-section defining separate supporting portions for adjacent modules
    • 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
    • F24S25/636—Clamps; Clips clamping by screw-threaded 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
    • 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
    • F24S2025/6002—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by using hooks
    • 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
    • F24S2025/801—Special profiles having hollow parts with closed cross-section
    • 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
    • F24S2025/807—Special profiles having undercut grooves
    • 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
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener

Definitions

  • the invention relates to a rail, a fastening system for mounting solar modules on a trapezoidal sheet, an arrangement for fixing solar modules on a trapezoidal sheet and a method for mounting a fastening system according to the invention on a trapezoidal sheet.
  • Solar modules such as photovoltaic modules for generating electrical energy or collector modules for heating heat transfer media, are usually mounted in roof or outdoor mounting on mutually parallel rails.
  • Trapezoidal sheets are often used for roofs of industrial and commercial buildings because they have a significantly increased strength compared to a flat sheet due to their shape. Trapezoidal sheets are known to be in a continuous sheet, high beads and adjacent flanks, which protrude from beads of the trapezoidal sheet.
  • Known attachment systems provide for attachment of the rail on the high beads of the trapezoidal sheet. Due to typical material thicknesses of approx. 0.5 mm and above, there is a risk of tearing out screws or rivets if the wind load is too strong.
  • a well-known fastening system for mounting solar modules on a trapezoidal sheet is offered under the name VarioFix-V system by Schleifer GmbH.
  • a profile rail is used, which has a C-shaped inner profile on an underside.
  • holders having a rectangular main body and a T-shaped part are used, the T-shaped part projecting in the middle of a long side of the rectangle and in the same plane.
  • the holders are inserted with the respective T-shaped parts in the C-shaped profile and secured by fasteners such as screws or rivets through two through holes on flanks of the trapezoidal sheet.
  • the holders are completely below the rail. The installation of such a system is cumbersome because the holder must be inserted from below into the already resting rail.
  • a first aspect of the present invention relates to a profiled rail which, viewed in a cross-sectional view, comprises:
  • a first and a second receiving space for rail holders both of which are laterally outwardly partially closed and each having a respective lateral opening, wherein the two side openings facing each other in opposite directions, and
  • a third receiving space which has an opening facing away from the underside of the rail opening with an inner profile for securing module fastening elements.
  • the rail of the present invention allows a particularly simple installation of a fastening system for solar modules on a trapezoidal sheet. Rail holders can be mounted on the sides of the rail on flanks of the high corrugations of the trapezoidal sheet and connected in the two receiving spaces provided for this purpose with the rail.
  • the profile rail also allows attachment to the trapezoidal sheet, which allows for changes in temperature expansions or contractions.
  • the rail can be easily mounted due to the described features such that rail holder, which can engage laterally in the space provided for this purpose, rest on flanks of the high beads of the trapezoidal sheet and are connected with a fastening means such as a screw or rivets with the respective edge ,
  • the load of the trapezoidal sheet is thus carried out by shearing, which introduced into a trapezoidal sheet much larger forces and thus higher loads can be maintained than when a rail is bolted only from above and the trapezoidal sheet is only stressed by train.
  • the holder is preferably fastened to the flanks of the raised beads so that, for example when using conventional trapezoidal sheets, it lies only in an upper third of the flank. This avoids penetration directly into the water-conducting bead.
  • the rail according to the present invention also makes it possible to be used on different profile geometries of trapezoidal sheets. This is due to the variety of designs of trapezoidal sheets crucial for a variable use of the rail.
  • the first and the second receiving space for rail holders are both partially closed in the respective lateral direction outwards. Accordingly, the receiving spaces have a respective lateral opening to the environment of the rail.
  • lateral directions should be understood to mean transversely to the rail longitudinal direction, which are not at the same time perpendicular to the base plate.
  • the bottom plate of the profile rail preferably has a completely flat underside. This allows a uniform resting on high beads of a trapezoidal sheet.
  • the bottom plate can also be only partially planar, for example, if a notch in the bottom plate should be formed for reasons of manufacture and transport, or if such is to be used for fixing the rail.
  • the underside of the bottom plate also defines an underside of the profile rail.
  • the receiving spaces for rail holders are limited egg-shaped in one embodiment inside. In other words, in the cross-sectional view form their inner boundary webs a C-shape. Such a C-shaped boundary can be achieved in a suitable manner by three legs, of which two taverns are also arranged horizontally and one vertically relative to the horizontally extending bottom plate. Stand these legs at right angles to each other, so there is a particularly simple, compact and stable embodiment.
  • the partially closed C-shape on the outside makes it possible to use rail holders with a complementary T-profile.
  • Such rail holder allow with lateral engagement in the openings of the receiving spaces a particularly stable and well adjustable attachment, as will be explained in more detail below.
  • the C-shaped boundary of a first or second receiving space may also be formed by legs in other than right angles to each other, or also arcuate. Even in such cases, at least parts of the C-shaped boundary can at least theoretically be assigned to the typical elements of the letter C in its simplest form of representation, the simplest representation of the letter C having two horizontal bars and one vertical bar. In various embodiments of a C-shaped boundary, it is also conceivable that the transitions between respective sections, which can be assigned to the corresponding bar of the letter C, are fluid.
  • the definition of the opening of the receiving spaces for rail holder can be done for example by side bars.
  • only a single side bar is used.
  • a particularly simple embodiment is achieved when such a side bar is arranged on the bottom plate perpendicular to this.
  • Such a side bar allows an example U-shaped connecting means produces a positive connection with it and exerts a force which presses the underside of the rail on the respective substrate formed by the trapezoidal sheet. Such a force can hold the rail on the ground.
  • lateral slipping of the profile rail can be prevented by the positive-locking connection.
  • only one upper side web serves for partially closing the receiving space for rail holders laterally outwards.
  • Such a receiving space designed in such a way for example, form a positive connection with an S-shaped connecting means of a rail holder and hold the rail in this way on the ground and secure against sliding away and tilting.
  • the upper side web is also arranged perpendicular to the bottom plate.
  • the result is a structurally particularly simple embodiment, which is also particularly compact in terms of their external dimensions.
  • a stabilization in the longitudinal direction is achieved by a combination of mutually perpendicular elements of the rail.
  • the embodiment with an upper and a lower side web at the opening of the receiving space for rail holder otherwise has the advantage of their particular suitability to receive a T-shaped connecting means of a rail holder and thus form a positive connection.
  • a beam of the T-shaped connecting means engages both the lower and the upper side web.
  • the rail is additionally stabilized, in particular against tilting.
  • the respective lateral openings of the receiving spaces of a profile rail according to the first aspect of the invention have in opposite directions. Opposite directions are understood to mean those directions which differ by more than 90 °. Particularly preferably, these differ by more than 120 ° and more preferably by about or exactly 180 °. This ensures that the openings are adapted to allow insertion of T-shaped parts of rail holders laterally of the rail.
  • the second receiving space is formed with respect to an imaginary center plane, which is perpendicular to the bottom plate, mirror-inverted to the first receiving space.
  • the lateral openings of the first and second receiving spaces need not be the only openings of these receiving spaces. Rather, other openings, for example for draining rainwater, may be provided.
  • the design of the rail in the lateral direction may be narrower or wider.
  • the third receiving space may be formed between the first and the second receiving space for rail holders, which allows a wider design of the rail.
  • the third receiving space may also be formed above the first and the second receiving space. This allows a narrower design of the rail, in which the first and the second receiving space can be closely adjacent.
  • the third receiving space is only partially formed above and partially between the first and the second receiving space. This allows, for example, the provision of stabilizing structures below the third receiving space.
  • the third receiving space has an inner profile which serves for fastening module fastening elements.
  • a module fastening element is generally understood to mean an element which serves to produce a firm connection between the profile rail and a solar module.
  • the inner profile can be formed in various ways. For example, two opposing webs may be disposed on the opposite side of the bottom plate of the third receiving space, which allow a T-shaped part or a sliding block forms a positive connection with it. Such an embodiment may correspond to an embodiment of the first or the second receiving space with upper and lower side web, as described above, rotated by 90 °.
  • the invention is not limited to this, but any internal profiles can be used, which are the attachment of components on the rail, for example of solar modules. Further preferred embodiments are described below.
  • the arrangement of the two cranks at different distances from the bottom plate makes it possible for a connection block to be used for fastening solar modules to the profile rail, first and second engagement surfaces, which in the assembled state for engagement with the first or the second offset are not required to lie in one plane. This allows a particularly simple insertion of the connecting block in the rail by slightly tilting.
  • the first and the second bearing surface allow the connection stone after insertion initially remains on these two bearing surfaces and is secured against falling out, tilting and twisting.
  • a number of connecting blocks can be inserted into the respective rail during assembly, first, before they are used later for the attachment of solar modules. Since the connection stone is initially to rest on the first and the second bearing surface and then to be pressed by an upward force against the two cranks, it is necessary that the distances of the first and the second bearing surface to the bottom plate smaller than at least the distance first of the two cranks are to the bottom plate.
  • the first support surface and the second support surface are parallel to the bottom plate.
  • the first bearing surface and the second bearing surface are preferably arranged at the same distance from the base plate. The laying of a connecting block with a flat bottom is thereby facilitated.
  • the first offset and the first contact surface overlap at least partially.
  • the second offset and the second contact surface overlap at least partially.
  • the inner profile has a protruding from a plane of the bottom plate web, which is arranged between two opposite inner walls of the rail, and which has at its end remote from the bottom plate, the second crank.
  • the first offset is arranged on a first of the inner walls and points in the same direction as the second offset.
  • the connecting block may have a first engagement surface, which engages under the action of an upward force with the first crank, and may further comprise a second engagement surface which engages under the action of an upward force with the second crank.
  • the second engagement surface of the connection block is then located on an upper side of a respective other leg of the U than that on which the first engagement surface is located.
  • the web is perpendicular to the bottom plate. This allows a particularly simple and stabilizing in the longitudinal direction execution.
  • the first bearing surface protrudes from the first inner wall.
  • the first offset and the first contact surface overlap at least partially.
  • the play of the connecting stone after insertion and before fastening is thus limited on both sides on the first inner wall.
  • the second bearing surface is arranged at the end remote from the bottom plate of the web.
  • the bridge not only fulfills the task of keeping the second offset at the desired position, but at the same time also forms the second bearing surface. Another element for providing the second bearing surface can thus be avoided.
  • it is particularly advantageous if the first and the second bearing surface have the same distance from the bottom plate. Then, namely, a flat and flat laying a connecting block with a flat support surface is made possible.
  • the inner profile is designed so that a simple sliding block can be inserted and fixed.
  • the inner profile is formed so that a hex nut can be inserted laterally and secured.
  • a second aspect of the invention relates to a fastening system for mounting solar modules on a trapezoidal sheet having high beads and associated flanks, comprising at least one rail according to the first aspect of the invention and a plurality of rail holders; the rail holders each have the following:
  • a fastening system has an inventive combination of a rail with associated rail holders.
  • the holders can be easily brought into a positive connection with the rail by means of projecting from the main body T-shaped part.
  • the T-shaped part is inserted into either the first or the second receiving space for rail holders of the profile rail and twisted suitably.
  • the holders can be fastened by means of their respective through-hole on each flank of a trapezoidal sheet.
  • the main body which is freely movable in the longitudinal direction after insertion of the T-shaped part in one of the two side openings of the rail and after turning the T-shaped part in the respective first or second receiving space for rail holder, and on can be rotated, preferably placed flat on a flank of the trapezoidal sheet.
  • For attachment are typical elements such as screws or rivets, which are inserted through the through hole and driven into the material of the trapezoidal sheet.
  • This can be a solid and wobble-free connection between the holder and the trapezoidal sheet are formed.
  • by such a fixed connection by means of the positive connection the holder with the rail and the rail are held firmly on the trapezoidal sheet and secured against sliding away and tilting.
  • tops of the rail holders of the fastening system according to the invention in the mounted state do not protrude beyond an upper side of the mounting rail. This allows the lateral mounting of the rail holder on the rail and the flat laying a solar module on the rail.
  • a third aspect of the invention relates to an arrangement for fixing solar modules with a fastening system according to the second aspect and a trapezoidal sheet having high beads and associated flanks, wherein - the rail rests on the raised beads,
  • the rail holders are fastened by means of fastening means through their through holes on the flanks of the high beads of the trapezoidal sheet, and wherein
  • the T-shaped parts of the rail holder engage in either the lateral opening of the first or second receiving space of the rail.
  • the arrangement according to the third aspect of the invention thus relates to the combination of a trapezoidal sheet with a fastening system according to the second aspect in the assembled state.
  • the main bodies of the rail holders preferably lie flat on respective flanks of the trapezoidal sheet and form a positive connection with the profile rail via their T-shaped parts.
  • the rail holders lie on the side of the rail.
  • the rail is held in this way firmly on the high beads of the trapezoidal sheet.
  • Trapezoidal sheet and rail thus form a firmly connected unit.
  • flat spacers are installed between the trapezoidal sheet and the rail.
  • These may for example be made of ethylene-propylene-diene rubber (EPDM), which has advantageous properties for this type of application.
  • EPDM ethylene-propylene-diene rubber
  • the spacers can prevent contact corrosion between the materials.
  • the arrangement of the present aspect of the invention is characterized in that in the trapezoidal sheet relatively large forces introduced and thus higher loads can be withstood (stress on shearing).
  • the inventive holder of the rail allows a tolerance to temperature-induced changes in length of the materials.
  • the arrangement of the present invention allows a particularly high flexibility. It can be largely reduced due to the static loads, the number of holders.
  • the holders can be mounted on the flanks of each bead, but also for example on every second or third bead. Thus, not only, as already mentioned, the load of the trapezoidal sheet can be optimized.
  • the rail holders of a respective rail are accordingly mounted only on one side of the rail. This means that in either the first or the second receiving space for rail holders no rail holder is attached. Due to the construction of the receiving space and the rail holder this can be sufficient in principle for a secure mounting of the rail.
  • the rail holder are mounted on both sides of the rail, so that a corresponding holding action occurs on both sides of the rail. This results in a particularly advantageous distribution of forces acting on the trapezoidal sheet metal.
  • the rail holders can be mounted in such a way that a pressure load and a tensile load are alternately exerted on the trapezoidal sheet.
  • the rail holder when mounting, as far as their respective T-shaped part in the respective receiving space game has to be kept adjoining an upper or lower boundary of the receiving space before it is fastened by means of a fastening means on the respective edge. If the trapezoidal sheet has a height unevenness, then a rail holder can still be attached to each flank.
  • rail holders are attached to each flank.
  • rail holders may be attached to every second, third, fourth, etc. flank.
  • rail holders may for example be arranged alternately on the respective sides of the rail.
  • upper trapezoidal holders can also be mounted on the raised beads, which additionally hold the profile rail. These can be used advantageously, for example, at high suction load or insufficient bead height of the trapezoidal sheets.
  • Such upper trapezoidal holders have, for example, a support plate with a through hole, with which they can be fastened on a high bead.
  • they have for example a C-shaped holding part, which engages in the receiving space of the profile rail.
  • an additional support of the rail can be achieved.
  • a fourth aspect of the invention relates to a method of assembling a fastening system according to the second aspect on a trapezoidal sheet having raised beads and associated flanks; wherein the method comprises the following steps: a) placing the profiled rail with its underside on high corrugation of the trapezoidal sheet, b) inserting the T-shaped part of one of the rail holders into one of the receiving spaces of the profiled rail, c) fastening the rail holder to one of the flanks by means of a Fastening means, which passes through a through hole of the rail holder, d) at least once repeating the steps b) and c), each with a further rail holder.
  • the method according to the fourth aspect of the invention allows easy mounting of a rail from the fastening system according to the second aspect with the associated rail holders.
  • the rail holders can be mounted on one side or preferably on both sides of the rail.
  • the fastening system according to the second aspect and a trapezoidal sheet are transferred to the arrangement according to the third aspect of the invention.
  • the already mentioned variants and advantages apply mutatis mutandis to the method according to the fourth aspect of the invention.
  • the rail is placed loosely at the beginning of the process on the flat roof and only then respective rail holders are attached to suitable edges, the method according to the fourth aspect shows maximum flexibility. It can be mounted exactly as many rail holders, as required for a particular rail, and their positions are largely arbitrary. Due to the lateral mounting of the holder, the points at which operations must take place, easily accessible.
  • the fastening system With the mounting rail according to the invention, the fastening system, the arrangement and the method, solar modules can be attached to continuous rails both at points and in rows.
  • Fig. 1 shows a first embodiment of a rail according to the first
  • Fig. 2 shows a second embodiment of a rail according to the first
  • Fig. 3 shows the rail of Fig. 2 with an inserted connection stone.
  • Fig. 4 shows a rail holder for a fastening system according to the second
  • Fig. 5 shows a rail and a rail holder.
  • Fig. 6 shows a fastening system according to the second aspect of the invention.
  • Fig. 7 shows an arrangement according to the third aspect of the invention.
  • FIG. 8 shows a flowchart of a method according to the fourth aspect of the invention
  • Fig. 1 shows a cross-sectional view of a first embodiment of a rail 1000 according to the first aspect of the invention.
  • the rail has a bottom plate 1 100, the lower side forms a bottom 1 1 10 of the rail.
  • the bottom 1 1 10 has a notch 1 120, so that the bottom 1 1 10 is only partially planar.
  • the bottom 1 1 10 forms, as far as it is flat, a support surface of the rail, on which rests the rail in the assembled state.
  • the rail on a first receiving space 1200 for rail holder, which is partially closed to the left side in Fig. 1.
  • the first receiving space 1200 is C-shaped limited. This is done by two horizontal legs 1240, 1260 and one vertical leg 1250, the two horizontal legs 1240, 1260 corresponding to the horizontal C-beams, and the vertical leg 1250 corresponding to a vertical C-beam.
  • a second receiving space 1300 for rail holder Mirrored to the first receiving space 1200 for rail holder is a second receiving space 1300 for rail holder, which is partially closed to the right in Fig. 1 by two side bars 1320, 1330. As with the first receiving space 1200, a lateral opening 1310 is formed between side bars 1320, 1330 of the second receiving space 1300. Also, the second receiving space 1300 is limited by two horizontal legs 1340, 1360 and a vertical leg 1350 C-shaped. Furthermore, the profile rail 1000 has a third receiving space 1400, which is likewise located above the base plate 1100 and also above the first and the second receiving space 1200, 1300. The third receiving space 1400 has an inner profile 1500, which is formed from two horizontal webs 1510, 1520.
  • the first and the second receiving space 1200, 1300 for rail holders are used when mounting the rail 1000 on a trapezoidal sheet for receiving suitable connection means of rail holders, in particular offering T-shaped and U-shaped connecting means.
  • suitable connection means of rail holders in particular offering T-shaped and U-shaped connecting means.
  • a positive connection between the rail 1000 and the respective rail holder can be made. If the rail holder is subsequently connected to the trapezoidal sheet metal, then there is also a form-fitting connection between the profiled rail 1000 and the trapezoidal sheet, by means of which the profiled rail 1000 is held on the trapezoidal sheet.
  • suitable connection means of module fasteners can be added. Due to the above limitation of the third receiving space 1400 by the horizontal webs 1510, 1520, a positive connection between the module fastening element and the profile rail 1000 is achieved with a suitable design of the connecting means.
  • a solar module for example a photovoltaic module or a solar collector module, can be fastened to the module fastening element, which is mounted in this way on the trapezoidal sheet metal.
  • Fig. 2 shows a second embodiment of a rail 2000 according to the first aspect of the invention.
  • the rail 2000 has a bottom plate 2100, which forms a completely flat bottom 21 10 of the rail.
  • Side of the profile rail 2000 similar to the profile rail 1000 shown in FIG. 1, a first and a second receiving space 2200, 2300 formed for rail holder. These are each bounded on the outside by side webs 2220, 2230, and 2320, 2330, between which respective lateral openings 2210, 2310 are formed.
  • the first and second receiving space 2200, 2300 for rail holders are limited except for the side bars 2220, 2230, 2320, 2330 and the openings 2200, 2300 each C-shaped.
  • the profiled rail 2000 further has a third receiving space 2400, which forms an opening 2410 facing away from the underside 21 10 of the profiled rail.
  • the third receiving space 2400 is bounded laterally by a first inner wall 2420 and a second inner wall 2430 and by the bottom plate 2100 downwards.
  • an inner profile 2500 is formed, which has a first crank 2510, a first bearing surface 2530 and a web 2550 with a second crank 2520 and a second bearing surface 2540.
  • the first crank 2510 and the first bearing surface 2530 both protrude from the first inner wall 2420.
  • the first offset 2510 is further away from the bottom plate 2100 than the first support surface 2530.
  • first support surface 2530 further into the third receiving space 2400 in than the first crank 2510.
  • first crank 2520 At one of the bottom plate 2100 remote end of the web 2550 are the Crank 2520 and the second bearing surface 2540 arranged.
  • the second crank 2520 also points away from the first inner wall 2420 like the first crank 2510.
  • the second bearing surface 2540 has the same distance from the base plate 2100 as the first bearing surface 2530.
  • the web 2550 is perpendicular to the base plate 2100.
  • the functions of the bottom 21 10 and the first and second receiving space 2200, 2300 for rail holder are identical to those of the bottom 1 1 10 and the first and second receiving space 1200, 1300 for rail holder of the rail 1000, which is shown in Fig. 1 , A new description is therefore omitted here.
  • the inner profile 2500 makes it possible to form a positive connection with suitable connecting blocks. Details on this are described below with reference to FIG.
  • FIG. 3 shows the profiled rail 2000 of FIG. 2 with an inserted connection block 3000.
  • the connection block 3000 has a support surface 3100 and is U-shaped on one side. Thus, it has both on its upper side a first engagement surface 3300, as well as on an upper side of a lower leg of the U an engagement surface 3400.
  • Through the connecting block 3000 is a bore 3200, through which it can be connected by means of a threaded screw with an element above the rail.
  • an element may, for example, be a further profiled rail, a solar module such as a photovoltaic module or a solar collector module, or else a spacer.
  • the connecting block 3000 To mount the connecting block 3000, it is initially placed with its bearing surface 3100 on the first bearing surface 2530 and the second bearing surface 2540 of the profile rail 2000. This allows you to insert multiple links after Installation of the rail on a trapezoidal sheet, with tilting, twisting or falling of the connecting blocks are excluded.
  • an upward force is applied to the bonding block 3000 via a screw inserted into the bore 3200, it is pulled upwardly away from the bottom plate 2100.
  • the first engagement surface 3300 engages the first crank 2510
  • the second engagement surface 3400 also engages the second crank 2520.
  • the connection block 3000 jammed with the rail 2000, so that an attachment of the above the rail 2000 disposed element is possible by raumschlüssige connection.
  • the combination of the connecting block 3000 with the profile rail 2000 results in a particularly easy assembly of the elements arranged above the profile rail 2000.
  • Fig. 4 shows a rail holder 4000 for a fastening system according to the second aspect of the invention.
  • the rail holder 4000 has a main body 4100 which has an elongated shape. Near one end is a T-shaped part 4200 having a beam 4220 and an extension 4210.
  • the bar 4220 is formed parallel to the main body 4100 and connected via the extension piece 4210 with this.
  • the main body 4100 further has a projection 4300 in which two through holes 4310, 4320 are formed. In the direction perpendicular to the plane shown in Fig. 4, the rail holder 4000 has a constant thickness.
  • the T-shaped part 4200 is used in mounting a profile rail 1000, 2000 according to the first aspect of the invention for forming a positive connection with one of the receiving spaces 1200, 1300, 2200, 2300 of the respective rail.
  • the beam 4220 of the T-shaped part 4200 must first be placed substantially parallel to the longitudinal extension of the respective lateral opening 1210, 1310, 2210, 2310. Subsequently, the beam is inserted through the opening into the respective receiving space. After insertion, the holder 4000 is rotated about the nose piece 4210. Thus, a positive connection between the holder 4100 and the rail 1000, 2000 is formed, so that the holder 4000 can not be removed without turning back the rail.
  • the rotation is carried out for mounting the respective rail on a trapezoidal sheet advantageously such that the main body 4100 rests substantially flat on a flank of a bead.
  • Ansch manend be through one or both of the through holes 4310, 4320 suitable fasteners, such as screws or rivets, inserted and driven into the material of the trapezoidal sheet. If this happens to the extent that one firm and wobble-free connection between the holder 4000 and the trapezoidal sheet is formed, so the rail is held by means of the holder 4000 on the trapezoidal sheet.
  • Fig. 5 shows a profile rail 1000 according to the first embodiment, as shown in Fig. 1, with an inserted and rotated rail holder 4000.
  • the beam 4220 of the T-shaped part 4200 of the rail holder 4000 which in the second receiving space 1300 of the rail 1000 is inserted, with the vertical leg 1350 and the side legs 1320, 1330 forms a positive connection.
  • the beam 4220 has clearance upwardly in the second receiving chamber 1300.
  • FIG. 6 shows an embodiment of a fastening system according to the third embodiment of the invention.
  • This has two profiled rails 2000 according to the second embodiment and twelve rail holders 4000.
  • the fastening system of Fig. 6 allows a parallel mounting of two rails on a trapezoidal sheet.
  • Each of the two profile rails 2000 can be attached to the trapezoidal sheet with six rail holders 4000.
  • Such a parallel mounting of two rails is commonly used to mount a series of solar modules. Each module rests on each of the two profile rails.
  • the solar modules are attached to the profile rails with suitable module fastening elements, which come with the inner profiles 1500, 2500 of the rails engaged.
  • FIG. 7 shows an arrangement 7000 for fixing solar modules with a fastening system according to the second aspect of the invention and a trapezoidal sheet 7500.
  • the 7500 trapezoidal sheet has 7510 crimps and intermediate 7540 crimps. Each high bead 7540 is associated with two flanks 7520, 7530, which respectively connect adjacent beads 7510 and high beads 7540.
  • the beads 7510, flanks 7520, 7530 and high beads 7540 are bent from a single continuous piece of sheet metal.
  • the profile rail 2000 rests with its underside 2110 on the raised beads 7540 of the trapezoidal sheet 2500.
  • Respective holders 4000 are provided on both sides of the profile rail in such a way that their respective T-shaped parts form a positive connection with the boundaries of the first or second receiving spaces 2200, 2300.
  • the holders 4000 are fixed by means of screws 7100 to respective flanks 7520, 7530.
  • Fig. 8 shows a method for mounting a fastening system according to the second aspect of the invention on a trapezoidal sheet.
  • the trapezoidal sheet has, as shown in Fig. 7, high beads and associated flanks.
  • a step S81 a first profile rail from the fastening system is placed with its underside on high corrugations of the trapezoidal sheet metal.
  • a step S82 the T-shaped part of one of the rail holders is inserted from the fastening system into one of the receiving spaces of the profile rail.
  • the rail holder is subsequently rotated in step S83 so that its main body rests on one of the flanks and fastened by means of a screw on the flank.
  • the steps S82 of inserting and S83 of fixing rail holders are repeated a plurality of times in step S84 until a sufficient number of rail holders are mounted to hold the rail on the raised beads.
  • step S85 a second profiled rail is laid out of the fastening system parallel to the first profiled rail.
  • the second rail must be the first Rail be spaced so that a laying and securing of desired modules is possible.
  • steps S82 to S84 are then repeated for the second rail until it is mounted with sufficient strength on the trapezoidal sheet. It is not necessary that the second rail is attached to the same edges as the first rail. On the contrary, both profile rails can be fastened independently of one another as required by conditions such as, for example, the compensation of unevenness, the provision of expansion tolerance or the presence of obstacles on the trapezoidal sheet.

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

Abstract

L'invention concerne un rail profilé présentant vu en coupe : une plaque de fond qui forme une face inférieure du rail profilé, partiellement ou totalement plane, un premier et un deuxième logement pour des supports de rail, ces logements étant partiellement fermés latéralement vers l'extérieur et présentant ainsi chacun une ouverture latérale, les deux ouvertures latérales étant tournées dans des directions opposées, ainsi qu'un troisième logement présentant une ouverture opposée à la face inférieure du rail profilé et pourvu d'un profil intérieur pour la fixation d'éléments de fixation de modules.
PCT/EP2012/050296 2011-01-12 2012-01-10 Système de fixation pour le montage de modules solaires sur un bac acier WO2012095413A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US13/979,290 US20140041202A1 (en) 2011-01-12 2012-01-10 Fastening System for Mounting Solar Modules on a Trapezoidal Sheet
CN2012800130593A CN103443562A (zh) 2011-01-12 2012-01-10 用于将太阳能模件装配在梯形薄板上的固定系统
CA2824226A CA2824226A1 (fr) 2011-01-12 2012-01-10 Systeme de fixation pour le montage de modules solaires sur un bac acier
AU2012206683A AU2012206683A1 (en) 2011-01-12 2012-01-10 Fastening system for mounting solar modules on a trapezoidal sheet
EP12700120.4A EP2663815A1 (fr) 2011-01-12 2012-01-10 Système de fixation pour le montage de modules solaires sur un bac acier
JP2013548816A JP5933593B2 (ja) 2011-01-12 2012-01-10 断面台形の薄板上にソーラーモジュールを取り付ける固定システム
ZA2013/04267A ZA201304267B (en) 2011-01-12 2013-06-11 Fastening system for mounting solar modules on a trapezoidal sheet

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011002601.0 2011-01-12
DE102011002601 2011-01-12
DE102011084556A DE102011084556A1 (de) 2011-01-12 2011-10-14 Befestigungssystem zur Montage von Solarmodulen auf einem Trapezblech
DE102011084556.9 2011-10-14

Publications (1)

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WO2012095413A1 true WO2012095413A1 (fr) 2012-07-19

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US (1) US20140041202A1 (fr)
EP (1) EP2663815A1 (fr)
JP (1) JP5933593B2 (fr)
CN (1) CN103443562A (fr)
AU (1) AU2012206683A1 (fr)
CA (1) CA2824226A1 (fr)
DE (1) DE102011084556A1 (fr)
WO (1) WO2012095413A1 (fr)
ZA (1) ZA201304267B (fr)

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CN103443562A (zh) 2013-12-11
US20140041202A1 (en) 2014-02-13
JP2014503724A (ja) 2014-02-13
AU2012206683A1 (en) 2013-07-25
CA2824226A1 (fr) 2012-07-19
ZA201304267B (en) 2014-02-26
DE102011084556A1 (de) 2012-07-12
JP5933593B2 (ja) 2016-06-15
EP2663815A1 (fr) 2013-11-20

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