EP2412033A2 - Système de fixation de plusieurs modules solaires sur un toit de bâtiment ou une façade de bâtiment et clip pour former un élément de butée sur une surface - Google Patents

Système de fixation de plusieurs modules solaires sur un toit de bâtiment ou une façade de bâtiment et clip pour former un élément de butée sur une surface

Info

Publication number
EP2412033A2
EP2412033A2 EP09775713A EP09775713A EP2412033A2 EP 2412033 A2 EP2412033 A2 EP 2412033A2 EP 09775713 A EP09775713 A EP 09775713A EP 09775713 A EP09775713 A EP 09775713A EP 2412033 A2 EP2412033 A2 EP 2412033A2
Authority
EP
European Patent Office
Prior art keywords
elements
clip
profile
solar modules
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09775713A
Other languages
German (de)
English (en)
Inventor
Christian Meier
Eric LANGENSKIÖLD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ENERGIEBUERO AG
Original Assignee
Energiebuero AG
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 Energiebuero AG filed Critical Energiebuero AG
Priority to EP13000619.0A priority Critical patent/EP2620720A1/fr
Publication of EP2412033A2 publication Critical patent/EP2412033A2/fr
Withdrawn legal-status Critical Current

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
    • F24S25/30—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
    • 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
    • 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
    • F24S2025/018—Means for preventing movements, e.g. stops
    • 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
    • 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
    • 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
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44017—Clasp, clip, support-clamp, or required component thereof with specific mounting means for attaching to rigid or semirigid supporting structure or structure-to-be-secured
    • 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

Definitions

  • the invention relates to an arrangement for the attachment of a plurality of solar modules for forming a solar field on a building roof, a clip for forming a stop element on an outer surface of a flat, thin-walled plate-shaped member while fixing the same in an opening arranged in this outer surface and a method for forming a An impact element on a flat outer surface of a thin-walled component using the clip according to the preambles of the independent claims.
  • the solar modules were screwed directly to the mounting surface or mounting brackets formed on them on the installation surface or on an installation surface created substructure, which was a relatively labor-intensive and at least on steep roofs dangerous endeavor, since it is a repeated Handling the bulky and sensitive solar modules required.
  • U1 describes a holding device for solar modules of a solar field, in which a plurality of carrier profiles are arranged at a distance from one another in a plurality of rows and parallel to the eaves edge on a building roof.
  • the carrier profiles carry longitudinally displaceable arranged on this several clip elements, which are suspended from above in the carrier profiles.
  • the clip elements each overlap the boundary edges of two adjacent solar modules, which extend in the longitudinal direction of the respective carrier profile and thereby rest on this. The solar modules are thereby secured against lifting from the respective carrier profile.
  • the clip elements are each formed of a mounted by hanging on the carrier profile web element and an inserted into the web element in the longitudinal direction of the carrier profile head element, so that for installation, the solar module between the attached to two adjacent carrier profiles web elements can be arranged first and then the head elements in the web elements can be inserted and secured with a safety screw.
  • this mounting system handling the solar modules is only required for insertion of the same, which increases the installation effort and the risk of damaging the Solar modules or an accident at work significantly reduced.
  • a fastening system similar to that shown in DE 20 2007 016 011 U1 is offered by the company MONTAVENT GMBH in Zurich, Switzerland, under the name “montavent.”
  • the carrier profiles and the clamping elements are designed in such a way that the clamping elements are suitable for mounting in a
  • auxiliary elements are also provided for this system, which auxiliary elements can be inserted into the web elements of the clamping elements and then an attachment of the clamping elements in the support profiles in a 90 ° rotated position
  • Stop elements serve to form a
  • the stop element strikes eg on a profile section on which the respective solar module rests.
  • this last-mentioned embodiment has the disadvantage that the stop element can be formed only in the edge region of a flat, thin-walled plate-shaped component.
  • the aforementioned embodiments, in which rivets or screws serve as a stop element or for the attachment of stop bodies have the disadvantage that the attachment opening in the component and the dimensions of the rivet or the screw must be matched very closely to each other to secure attachment to ensure.
  • the attachment of abutment bodies by means of cohesive fastening methods has the disadvantage that they require special process steps and environmental conditions, which are not or only with great effort, in particular in the assembly of larger components outdoors, such as solar modules on the roof of a building be carried out or to ensure.
  • stop elements are no longer readily removable apart from embodiments in which screws are used.
  • tools such as screwdrivers or wrenches are required for mounting and removing stop elements with screw fastening, which makes these actions difficult in difficult installation situations, for example on a building roof, and makes one-handed installation or disassembly impossible.
  • Another disadvantage for embodiments with machine screws that both sides of the mounting hole must be accessible so that the mother can be placed on the screw and held when tightening or loosening.
  • stop element which does not have the disadvantages of the prior art or at least partially avoids it.
  • the stop element should also be able to be fastened under difficult installation conditions without additional aids with only one hand at any point in an opening in an outer surface of a plane, thin-walled plate-shaped component and be tolerant with respect to the dimensioning of the opening. It should also be removable without the aid of tools.
  • the first-mentioned object is achieved by the arrangement according to claim 1.
  • the second object is achieved by the clip according to claim 27 and the method according to claim 41.
  • a first aspect of the invention relates to an arrangement for fastening a plurality of solar modules on a building roof or on a building facade to form a solar field on the roof or on the facade.
  • the arrangement comprises a plurality of carrier profiles, which are arranged at a distance from one another in rows and each carry one or more clip elements with which the solar modules can be held on the carrier profiles.
  • it is provided to form the carrier profile rows each from continuous carrier profiles or in each case from a plurality of carrier profile sections spaced apart from one another in the profile longitudinal direction.
  • carrier profile is understood to mean both continuous carrier profiles and individual carrier profile sections, unless a differentiation is explicitly made.
  • the carrier profiles can be fastened directly on the roof or façade surface or also on substructures arranged thereon.
  • the clip elements are designed such that with each clip element in each case two adjacent solar modules can be mounted on the carrier element carrying the clip element by the opposite and transverse to the carrier profile boundary edges of these solar modules, which adjoin the clip element on both sides and rest on the carrier profile, from Clasped element overlapped and thereby positively secured against lifting from the carrier profile.
  • Each of the clip elements comprises a web element and a head element formed separately from the web element, the head element serving to overlap the boundary edges of the solar modules and the web element between the boundary edges of the solar modules is arranged and forms the connection between the carrier profile and the head element.
  • the web elements are formed as profile sections and respectively oriented with their profile longitudinal direction in the longitudinal direction of the supporting carrier profile at its lower ends positively secured to the respective carrier profile by engaging respectively in profile sections of the carrier profile and / or embrace such.
  • the head elements are fastened in a form-fitting manner to this web element in the region of the upper end of the respectively associated web element by being inserted and / or slid in the profile longitudinal direction of the web element in and / or on contours of the web element and on both sides in the profile longitudinal direction of the web element survive this, for spreading over the boundary edges of the solar modules to be fastened.
  • a fastening system can be made available, which consists of a few inexpensive to produce components and even under difficult environmental conditions allows easy and secure attachment of the solar modules on carrier profiles with transverse to the carrier profiles boundary edges.
  • the web elements and the carrier profiles are structurally designed such that the web elements must be inserted and / or pushed onto the carrier profile for attachment to the respective carrier profile in the profile longitudinal direction of the carrier profile. So it's not possible to do this from a page other than one
  • the web elements and the carrier profiles are designed such that the web elements can be suspended for attachment to the respective carrier profile from above into the carrier profile.
  • embodiments are also provided in which they can additionally be inserted and / or pushed in profile longitudinal direction of the carrier profile in and / or on the carrier profile.
  • This embodiment has the advantage that individual web elements can be replaced in existing solar fields without removing solar modules and is particularly useful when very long carrier profiles are used, which make the removal of a variety of solar modules for the replacement of a bar element required could.
  • the head elements of the clip elements are designed as simple profile sections or as plate-shaped components, preferably as stampings made of sheet metal material. As a result, these components can be produced particularly inexpensively.
  • the clip elements are designed such that with each clip element optionally two transverse to the support profile boundary edges of two adjacent solar modules or two longitudinally extending to the carrier profile boundary edges of two adjacent solar modules can be overlapped, for positive securing against lifting from the carrier profile.
  • the head elements are not only in the profile longitudinal direction of the respective web element on both sides via the web element, but also on both sides in a direction transverse to the profile longitudinal direction of the web element.
  • the carrier profiles and the clip elements are designed such that with each clip element optionally only a single solar module can be fastened to the respective carrier profile by the head element of which engages over only the boundary edge of this one solar module.
  • the clamp elements and their attachments to the carrier profiles must be designed for this purpose in such a way that they can endure the bending moments that can arise due to the one-sided load without appreciable deformation or even damage.
  • This configuration makes it possible to use the same clip elements which are used between the solar modules, even in the edge regions, which can be dispensed with additional special parts for this area.
  • these adjoining surfaces define one plane per header element.
  • the head elements and the web elements of the clip elements are each designed in such a way that during mounting during insertion and / or pushing of the respective head element into and / or onto the associated web element, this element is in its intended end position strikes at the web element.
  • the headers in each case below that of their Adjacent surfaces defined a downwardly projecting stop, which counteracts the insertion and / or Aufschiebecardi of the head element in and / or on the associated web element and to adjoin the front side of a transversely to the head element trag- wearing carrier profile extending boundary edge of a serves this head element to be attached solar module.
  • the head elements are secured with solar modules installed by a solar module held by them in their intended mounting position on the respective web element.
  • the head elements each have two formed below the plane defined by their abutment surfaces attacks, which act in and against the input and / or Aufschiebecardi the head element in and / or on the associated web element and the adjoining on the end faces of two opposite, transverse to the carrier element carrying the head element boundary edges of two serve with this head element to be fastened solar modules.
  • the head elements are designed such that each of the stops can be made ineffective by introducing a single hole at a certain point in the head element.
  • the head element can, after insertion of the bores, be left in the interior. stalled solar modules by pushing down and / or pushing out the Kopfeler ⁇ ents be removed from and / or from the web element.
  • the head elements each have markings, at which point the respective bore must be introduced. As a result, the targeted introduction of the holes in order to remove the attacks is much easier.
  • the form-fitting connection between the head element and the web elements is formed exclusively above the plane defined by the abutment surfaces of the respective head element.
  • the head elements can be formed in such a way, preferably by setting themselves apart from any safety devices that can be removed and removed for assembly or disassembly, such as e.g.
  • Spring lugs extend exclusively above the plane defined by their Angren- surfaces that they can be inserted in and / or pushed onto the support profiles attached to the support profiles in and mounted in solar module positions in attachment position and, optionally after the previous abolition of an all - Due existing disassembly fuse can be removed by pushing out and / or pushing down from the respective web element, to allow easy replacement of individual solar modules.
  • the head elements and the web elements are each designed such that during assembly during insertion and / or pushing the respective head element in and / or on the associated web element, the head element with the web element locked, which is preferably such takes place that the latching can be canceled only with a destruction of the head element and / or the rod element.
  • the clip elements are each formed of exactly two components, namely of a one-piece web element and a one-piece in this. Und./- or deferred head element.
  • an arrangement according to the invention can be formed from a minimum of different components.
  • Web elements designed such that the clip elements can be inserted in several different height positions in the carrier profiles and / or pushed onto them.
  • the head elements and the web elements are designed such that the head elements can be inserted in several different height positions in the web elements and / or can be pushed onto them.
  • one or more separately formed insert elements which are preferably designed as insert plates or insert plates, are present per clip element, which are positively positioned by the respective web element and single-layer or in multiple layers as a support for the respective Clamping element to be fastened solar modules serve.
  • the clip elements can be used for a variety of different thick solar modules.
  • the clip elements are each secured by targeted plastic deformation of a profile section of the carrier profile and / or the bar element against longitudinal displacement along the carrier profile, preferably in both directions.
  • Insert sheet or a liner plate is present, which is prevented by the plastic deformation of the profile section of the carrier profile and / or the insert element on the longitudinal displacement along the carrier profile and thereby makes possible a longitudinal displacement of the clamping element along the carrier profile. Depending on the installation situation, this can prove to be particularly advantageous.
  • the carrier profile rows are each formed by a plurality of carrier profile sections spaced apart in the longitudinal direction.
  • material can be saved and, in embodiments in which the web elements have to be inserted and / or pushed onto the carrier profiles, facilitate the installation work, since the ends of the respective carrier profile section are relatively close to the installation are arranged location of the bar element.
  • This also results in the advantage that the shear stress in the attachment points of the respective carrier profile piece or the movement of its attachment points relative to one another can be kept within narrow limits due to the unavoidable change in length thereof in the event of temperature changes, which results in a simple and reliable attachment of the Arrangement on a building roof or on a facade even without elaborate fastening solutions allows.
  • the support profiles are each centrally mounted in the profile on the respective installation surface or on a supporting structure arranged thereon, which is a simple quick installation of the same conducive.
  • the carrier profile rows are arranged parallel or perpendicular to the eaves edge of a building roof supporting them or horizontally or vertically on a building facade, depending on the installation situation, one or the other variant may be more advantageous.
  • a second aspect of the invention relates to a clip for forming a stop element on an outer surface (claim-compliant first outer surface) of a flat, thin-walled plate-shaped component with attachment of the clip in a arranged in this outer surface, in particular circular, rectangular or slot-shaped opening, which the component penetrates and terminates in a claim according to the second outer surface of the component, which is substantially parallel to the first outer surface.
  • the clip is suitable for forming a stop element for the two last-described embodiments of the arrangement according to the first aspect of the invention.
  • the clip has two spring sections connected resiliently to one another via a spring section, the free ends of which are in a neutral, i.e. tension-free state are spaced from each other and starting from this state, overcoming the spring force of the spring portion are movable towards each other, similar to the two legs of a pair of tweezers.
  • the leg sections each have one or more contact surfaces (claim first bearing surfaces), which are provided for engagement with the outer surface of the component in the intended attachment of the clip on the component.
  • leg portions each terminate in a hook-like attachment portion, which is beyond the aforementioned plant level addition.
  • the hook-like fastening portions each have a claim according to claim second contact surface, which extends at a distance from the defined by the claim according to the first contact surfaces plant level and at intended attachment of the clip on the component for engagement with the claim according to the second outer surface of the component is used.
  • the hook-like fastening portions each have a substantially perpendicular to the plane extending to suit first stop surface, to form a stop in the opening in the component against displacement of the respective leg portion in intended stop direction parallel to the bearing plane in the proper attachment of the clip on the component.
  • the clip according to the invention makes it possible to easily form a stop element without tools and with a hand at any point on a flat outer surface of a thin-walled component without tight tolerances or the rear side of the component wall being accessible would have to be.
  • Clips have the fastening sections respectively on their side facing the spring section, and preferably directly subsequent to the respective demanding first abutment surface, a further, claim-compliant third abutment surface which is spaced from the abutment plane defined by the claimed first abutment surfaces extends, for engagement with the claim according to the second outer surface of the component in the case of proper attachment of the clip on the component.
  • the clip can be such in the opening in Lock component so that it must first be moved in the opening opposite its stop direction for disassembly before its attachment portions can be returned through the opening on the side of the component formed by the claimed first outer flat.
  • the hook-like fastening sections each have a rounded, preferably circular section-shaped, shape on the outside of their hook shape. This ensures that the attachment sections have a maximum of flexural rigidity despite good insertion into the opening.
  • the claimed second abutment surface and the second abutment surface according to the claims adjoin each other directly at each leg section. It is preferred that these each of perpendicular or nearly perpendicular to each other! straight edges of the respective leg portion are formed. In this way, unnecessary bending moments and shear forces in directions transverse to the stop direction can be avoided.
  • the claimed first contact surfaces are each formed by straight edges of the leg sections, so that a relatively large contact surface is provided for engagement with the first outer surface of the component.
  • the leg sections, together with the spring section form a single continuous claim-bearing first contact surface.
  • this contact surface can be maximized, which is preferred in order to obtain the lowest possible surface pressures on the component.
  • the second and / or the third wet contact surfaces, if present are each formed by straight edges of the fastening sections which extend at a distance parallel to the contact plane. This is preferred in order to obtain the lowest possible surface pressures on the second outer side of the component as required.
  • the spring section is formed by two spring webs which are preferably spaced apart from each other by a parallel arrangement. This makes it possible, with sufficient strength of the leg portions and the desired elasticity of the spring portion to produce the leg portions and the spring portion of a semi-finished material of uniform material thickness, which is preferred.
  • the leg portions of the clip are formed in mirror image, so that there is a symmetrical construction of the clip.
  • the clip is formed in one piece, its leg portions are formed as a flat, planar portions of constant thickness and / or the clip of a sheet material, in particular stainless
  • this is produced in one piece by punching out a stamped part forming the two leg sections and the spring section from a sheet metal material and subsequent bending in the region of the spring section. In this case, the shape of the
  • Stamped part chosen such that the contour of the underside of the stamped part is formed substantially as a mating contour to the contour of the top of the stamped part, so that the individual stampings leave when stacking punched from a strip of material only very little Abfallma- material.
  • clips according to the invention can be produced in a particularly cost-effective manner in large numbers.
  • a third aspect of the invention relates to a method for forming a stop element on a flat outer surface of a thin-walled component.
  • the method comprises the following method steps: a) providing an opening in the outer surface of the component, which penetrates the wall of the component; b) providing a clip according to the second aspect of the invention; and c) arranging the fastening sections of the clip under a movement of the leg sections counter to the spring force of the spring section in the opening of the component such that at least a part of the first contact surfaces of the clip abut against the outer surface of the component (claimed first outer surface of the component) and abut the claimed second contact surfaces on the other side of the wall of the component into which the opening opens (second outer surface according to the claim).
  • inventive method can be in a simple and secure manner without tools installable and removable again stop element on a flat outer surface of a thin-walled component, eg on the underside of the boundary edges of a solar module forming frame of a hollow or C-profile material form , BRIEF DESCRIPTION OF THE DRAWINGS
  • Figure 1 is a perspective top view obliquely from above of an inventive arrangement on a pitched roof of a building.
  • FIG. 2 shows a vertical section in the longitudinal direction of the carrier profiles through one of the clamping elements of the arrangement from FIG. 1 ;
  • Figure 3 is a vertical section transverse to the longitudinal direction of the carrier profiles by one of the clamping elements of the arrangement of Fig. 1.
  • FIG. 4 shows a plan view of one of the clamping elements of the arrangement from FIG. 1;
  • Fig. 5 is a plan view of a head element of the clip elements of the arrangement of Fig. 1;
  • Fig. 6 shows a vertical section transverse to the longitudinal direction of the carrier profile by a carrier profile and a web element fastened therein, as used in the arrangement of Fig. 1;
  • FIG. 7 is a side view of a part of the edge region of the arrangement of FIG. 1
  • FIG. 8 shows an illustration as in FIG. 3 of a preferred embodiment of the arrangement from FIG. 1;
  • FIG. 11 shows a side view of a first clip according to the invention
  • FIG. 12 shows a plan view of the clip from FIG. 11;
  • FIG. 13 shows the clip from FIGS. 11 and 12 in a fitting situation according to the intended purpose
  • FIG. 14 shows a plan view of a stamped part for forming the clip from FIGS. 11 to 13;
  • FIG. Fig. 15 is a plan view of an intermediate product in the production of the stamped part of Fig. 14; 16 shows a side view of a second clip according to the invention;
  • FIG. 17 shows the clip of FIG. 16 in a suitable installation situation
  • Fig. 18 is a plan view of a stamped part for forming the clip of Figures 16 and 17;
  • FIG. 20 is a plan view of the clip of FIG. 19.
  • FIG. 20 is a plan view of the clip of FIG. 19.
  • FIG. 1 A first arrangement according to the invention for the attachment of a plurality of solar modules to form a solar field is shown in FIG. 1 during its preparation on a pitched roof of a building in a perspective plan view.
  • this includes a plurality of carrier profile sections 2, which are spaced from each other in parallel to the eaves 22 of the roof extending rows are arranged.
  • Each carrier profile part 2 carries a clamp element 3, 4, with which two adjacent solar modules 1 are fastened to the carrier profile section 2 supporting the clamp element 3, 4, by the boundary edges of the two solar modules 2 opposite each other and running transversely to the carrier profile section 2, which are on both sides adjacent to the clip element 3, 4, are overlapped by the clip element 3, 4 and thereby positively secured against lifting from the carrier profile section 2.
  • the clip elements 3, 4 each consist of a web element 3 which is arranged between the boundary edges of the solar modules 2 and of a head element 4 formed separately from the web element for reaching over the boundary edges of the solar modules 2.
  • the web elements 3 are formed as profile sections and are oriented in each case with their profile longitudinal direction in the longitudinal direction of the respective carrier profile section 2 carrying them. At their lower ends, the web elements 3 are in each case fastened in a form-fitting manner to the carrier profile section 2 by engaging in profile sections of the carrier profile section 2 with profile contours formed by them. In this case, the web elements 3 and the carrier profile sections 2 are designed in such a way that the web elements 3 must be inserted into the profile longitudinal section of the carrier profile section 2 for attachment to the respective carrier profile section 2.
  • the head elements 4 are fastened in a form-fitting manner to this web element 3 in the region of the upper end of the supporting element 3 by being inserted into profile contours of the web element 3 in the profile longitudinal direction of the web element 3 and in the longitudinal direction of the web element 3 on both sides via the web element 3 survive, for reaching over the boundary edges of the solar modules to be attached.
  • the carrier profile sections 2 are each cnittig in profile with a plurality of rivets 28 mounted on the roof top formed from sheet metal.
  • FIG. 5 which shows a plan view of one of the head elements 4, the head elements 4 are formed as plate-shaped stamped parts of aluminum sheet material and dimensioned such that with each clamp element 3, 4 also optionally two longitudinally extending on the respective carrier profile section 2 boundary edges of two adjacent solar modules 1 could be overlapped, for positive securing against lifting from the carrier profile section. 2
  • the head elements 4 each have two slots 23 which are arranged and formed such that the head element 4 during assembly by insertion into the associated web element 3 in its intended end position with the end faces of the Slits 23 on the front side of the bar member 3 strikes.
  • each head element 4 has a downwardly projecting and counter to the insertion into the associated web element 3 acting stop 6, which is formed as a stamped metal nose 6 integral with the head element 4 and to the end face 7 of a transverse to associated carrier profile section 2 extending boundary edge of a solar module 1 attached to this head element 4 adjacent.
  • the head elements 4 are secured in installed solar modules 1 in a direction opposite to their insertion in its intended position.
  • the head elements 4 have a marking 24 on their upper side. This marking 24 indicates at which point a hole having a diameter corresponding to the width of the sheet metal nose 6 is to be introduced into the head element 4 for the case in that the stop formed by the sheet metal nose 6 is ineffective should be made. Since the head elements 4 respectively extend exclusively above the level defined by their abutment surfaces 5, they can be removed from the respective supporting web element 3 when the solar module 1 is installed by displacing it against the insertion direction after the abutment 6 has been rendered inoperable by introducing the bore , This makes it possible to replace individual solar modules 1 by temporarily removing the respective holding the solar module 1 head elements 4 in a simple and fast way. As can further be seen from a combination of FIG.
  • the carrier profile sections 2 and the bar elements 3 of the clip elements 3, 4 are designed such that the clip elements 3, 4 are in several different height positions in the carrier profile sections (FIG. 2) inserted and / or can be postponed to this. Accordingly, the carrier profile sections 2 and clamping elements 3, 4 shown are basically suitable for two different solar modules. As can be seen from FIG. 8, which shows a representation like FIG. 3 of a preferred embodiment of the arrangement, it is also provided to enable adaptation of the arrangement according to the invention to various solar module thicknesses per clamping element 3, 4, one or more separately formed insert elements. te 8 between the solar modules 1 and the Stromprofil- to use 2 pieces, which are formed in the present case as an insert sheet 8 and are positively positioned by the respective web element 3.
  • the solar modules 1 are in each case secured in a form-fitting manner against longitudinal displacement along the respective carrier profile section 2 by a specific plastic deformation 25 of a profile section of the carrier profile section 2 in the region of the end faces 7 of its boundary edges.
  • the insert sheets 8 have corresponding cutouts, within which the plastic deformation 25 of the profile section of the carrier profile section 2 takes place.
  • Fig. 7 shows a side view of a part of the edge region of the arrangement of Fig. 1, specifically on the front side of a carrier profile section 2 with the last clamping element 3, 4 arranged therein.
  • the web element 3 of the clamping element 3 A 1 whose head element 4 due to the positioning on the edge of the solar field only one side of a solar module 1 engages and thereby attached to the Suprofil- piece 2, by further plastic deformation 26 of profile sections of Suprofilteil- piece 2 at the end of the same form fit against extension from the latter Profile contour saved.
  • Figures 9 and 10 show representations such as Fig. 3 of a second erfindungsgemääs ⁇ en arrangement, wherein in Fig. 10 as well as in Fig. 3, the overlapped boundary edges of the solar modules 1 extend transversely to the Rushprofilteil Suiteen 2, while they extend in Fig. 9 along it.
  • the essential difference between the first arrangement according to the invention according to FIGS. 1 to 8 is that the head element 4 is formed here from a simple profile section, which in its intended position both in the profile longitudinal direction of the web element 3 supporting it also projects transversely over the web element 3 and thus optionally allows the mounting situation shown in Fig. 9 or in Fig. 10.
  • the solar modules 1 are in installation situations in which, with their boundary edges transversely to the carrier profile sections 2, they run parallel to the Traufkante 22 of the building roof extending carrier profile sections 2 are fixed, on its underside stop elements 9, which strike in the direction of the eaves edge positively against the respective carrier profile section 2 and thereby serve as a positive slip-See- tion for the respective solar module 1.
  • FIGS. 11 to 13 show a first embodiment according to the invention of a clip 9, as used in the arrangements in FIGS. 3 and 7, once in a side view (FIG. 11), once in a plan view (FIG. 12). and once in another intended installation situation than in FIGS. 3 and 7 (FIG. 13).
  • the clip 9 is suitable for forming a stop element on an outer surface 11 of a flat, thin-walled plate-shaped component 10 while fixing it in a circular, rectangular or oblong hole arranged in this outer surface 11 - shaped opening 13 which penetrates the component 10 and ends in a second outer surface 18 of the component 10, which is substantially parallel to the first outer surface 11.
  • the clip 9 is formed in one piece from a stamped part of uniform material thickness made of stainless steel and has two spring sections 14 resiliently interconnected leg portions 15a, 15b, the free ends in a neutral, so stress-free state are spaced from each other and overcoming the spring force of the spring portion 14 are movable towards each other, which is indicated in Fig. 12 with the dotted lines.
  • the spring section 14 is formed by two parallel Pederstegen.
  • the leg portions 15a, 15b each form at their tops first contact surfaces 16, which together with the top of the spring portion 14 form a single continuous straight first contact surface 16 for engagement with the outer surface 11 of the component 10, on which the clip 9 a stop element are formed should .
  • These first contact surfaces 16 of the leg sections 15a, 15b or the continuous contact surface 16 formed together with the spring section 14 define a contact plane. As you can see, the free ends
  • leg portions 15a, 15b respectively in a hook-like fastening portion 17 which projects beyond the abutment plane.
  • the hook-shaped fastening portions 17 each form a second abutment surface 19, which extends at a distance parallel to the abutment plane and serves for abutment against the second outer surface 18 of the component 10.
  • the hook-like fastening portions 11 each form a substantially perpendicular to the abutment plane first stop surface 20, to form a stop in the opening 13 against displacement of the respective leg portion 15a, 15b in a direction parallel to the contact plane.
  • the leg sections 15a, 15b each have a second abutment surface 21, which faces away from the first abutment surface 20 and extends substantially perpendicular to the abutment plane, which serves to form the abutment surfaces of the stop element formed by the clip 9 on the first outer surface 11 of the component 10 ,
  • the hook-shaped fastening sections 17 On the outside of their hook shape, the hook-shaped fastening sections 17 also each have a rounded, in particular circular-segment-shaped form.
  • the second abutment surfaces 19 and the second abutment surfaces 21 each adjoin one another directly and are each formed by perpendicular straight edges of the leg sections 15a, 15b extending perpendicular to one another.
  • FIG. 14 shows a top view of the stamped part, from which the clip 9 has been produced by bending in the region of its spring section 14. As can be seen, the two leg portions 15a, 15b are formed in mirror image.
  • FIG. 15 shows a plan view of an intermediate product in the production of the stamped part from FIG. 14, from which the stamped parts according to FIG. 14 are obtained by singulating the sub-elements connected to one another only via two thin webs 27.
  • the shape of the individual stampings according to FIG. 14 forming sub-elements after separation is selected such that the contour of the underside of the individual stamped part is formed substantially as a mating contour to the contour of the top of the stamped part, so that in the serial Punching hardly waste material is obtained. This is evident from the very small gaps between the sub-elements.
  • FIGS. 16 to 16 show illustrations such as FIGS. 11, 13 and 14 of a second clip 9 according to the invention, as used in the arrangement in FIG. 8, or the stamped part used to form the same, the only essential difference between both embodiments is that in the first embodiment, the leg portions 15a,
  • the fastening sections 17 of the respective clip are moved counter to the spring force of the spring section by moving the leg sections 15a, 15b towards each other 14 so arranged in the opening 13 of the component 10 that the first contact surface 16 on the outside senseite 11 of the component 10 is present and the second abutment surfaces 19 on the side 18 of the wall of the component 10, which the first outer side 11 opposite issue.
  • FIGS. 19 and 20 show a third embodiment of a clip 9 according to the invention, once in a side view (FIG. 19) and once in a plan view (FIG. 20).
  • This clip 9 differs from the clip shown in FIGS. 11 to 13 essentially in that, in the region in which it is typically gripped for disassembly between thumb and forefinger, it has embossments 29 protruding outwards, whereby its grip is significantly increased.
  • this area is pulled down here deeper than in the embodiment shown in Figures 11 to 13, which further improves the handling of the clip 9 during installation and assembly, because this area of the clip 9 in beticians according installed state farther from the surface 11 of the component on which it forms a stop, protrudes.
  • leg sections 15a, 15b each have an upper end on their upper sides. have depression 30 so that they each form two separate contact surfaces 16.

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  • 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

L'invention concerne un système de fixation pour modules solaires (1) avec lequel les modules solaires (1) sont fixés sur des profilés de support (2) disposés en plusieurs rangées à l'aide d'éléments d'attache (3, 4), en ce sens que chaque élément d'attache (3, 4) recouvre les bords périphériques, qui s'étendent en opposition et transversalement au profilé de support (2), de deux modules solaires (2) qui sont adjacents des deux côtés à l'élément d'attache (3, 4). Chaque élément d'attache (3, 4) comprend un élément nervure (3) et un élément tête (4) formé séparément de celui-ci. L'élément nervure (3) est conçu comme une section profilée et est fixé à son extrémité inférieure au profilé de support (2) par insertion dans les contours profilés du profilé de support. L'élément tête (4) est fixé à l'élément nervure (3) dans la région de l'extrémité supérieure de celui-ci, en ce sens qu'il est inséré dans les contours profilés de l'élément nervure (3). Selon l'invention, l'élément tête (4) fait saillie au-dessus de l'élément nervure (3) des deux côtés dans la direction longitudinale profilée de l'élément nervure (3) pour recouvrir les bords périphériques des modules solaires (1) à fixer. Grâce à l'invention, on peut disposer d'un système de fixation qui est constitué de quelques éléments (2, 3, 4) pouvant être fabriqués à un prix avantageux et qui permet, même dans des conditions environnementales difficiles, une fixation simple et fiable de modules solaires (1) dont les bords périphériques s'étendent transversalement aux profilés de support (2).
EP09775713A 2009-03-27 2009-03-27 Système de fixation de plusieurs modules solaires sur un toit de bâtiment ou une façade de bâtiment et clip pour former un élément de butée sur une surface Withdrawn EP2412033A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13000619.0A EP2620720A1 (fr) 2009-03-27 2009-03-27 Clip pour former un élément de butée sur une surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2009/000104 WO2010108288A2 (fr) 2009-03-27 2009-03-27 Système de fixation de plusieurs modules solaires sur un toit de bâtiment ou une façade de bâtiment et clip pour former un élément de butée sur une surface

Publications (1)

Publication Number Publication Date
EP2412033A2 true EP2412033A2 (fr) 2012-02-01

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EP09775713A Withdrawn EP2412033A2 (fr) 2009-03-27 2009-03-27 Système de fixation de plusieurs modules solaires sur un toit de bâtiment ou une façade de bâtiment et clip pour former un élément de butée sur une surface
EP13000619.0A Withdrawn EP2620720A1 (fr) 2009-03-27 2009-03-27 Clip pour former un élément de butée sur une surface

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WO (1) WO2010108288A2 (fr)

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WO2010108288A2 (fr) 2010-09-30
WO2010108288A3 (fr) 2011-09-01
US20120102854A1 (en) 2012-05-03
EP2620720A1 (fr) 2013-07-31

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