EP2810000A1 - Système de fixation pour modules solaires - Google Patents

Système de fixation pour modules solaires

Info

Publication number
EP2810000A1
EP2810000A1 EP13704038.2A EP13704038A EP2810000A1 EP 2810000 A1 EP2810000 A1 EP 2810000A1 EP 13704038 A EP13704038 A EP 13704038A EP 2810000 A1 EP2810000 A1 EP 2810000A1
Authority
EP
European Patent Office
Prior art keywords
axis
along
rail
fastening system
fastening
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Withdrawn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
EP13704038.2A
Other languages
German (de)
English (en)
Inventor
Johann Kufner
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.)
Ideematec Deutschland GmbH
Original Assignee
Ideematec Deutschland 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
Priority claimed from DE202012001079U external-priority patent/DE202012001079U1/de
Priority claimed from DE202012001078U external-priority patent/DE202012001078U1/de
Application filed by Ideematec Deutschland GmbH filed Critical Ideematec Deutschland GmbH
Publication of EP2810000A1 publication Critical patent/EP2810000A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0216—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable
    • F16B5/0225—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable allowing for adjustment parallel to the plane of the plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/04—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of riveting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
    • F16B7/0446—Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof
    • F16B7/0473—Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof with hook-like parts gripping, e.g. by expanding, behind the flanges of a profile
    • 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
    • F24S25/632—Side connectors; Base connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/65—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent supporting elements, e.g. for connecting profiles together
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/70—Arrangement of stationary mountings or supports for solar heat collector modules with means for adjusting the final position or orientation of supporting elements in relation to each other or to a mounting surface; with means for compensating mounting tolerances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
    • F16B7/048—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof
    • F16B7/0493—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof forming a crossed-over connection
    • 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
    • F24S2025/6007—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by using form-fitting connection means, e.g. tongue and groove
    • 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
    • F24S2025/804—U-, C- or O-shaped; Hat profiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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

Definitions

  • the present invention relates to a fastening system, in particular for solar modules.
  • Mounting systems for solar modules are well known in the art. They usually consist of an arrangement of rails and support elements. On these the solar modules are attached. On the manufacturer side, the solar modules have holes which are provided for the attachment of the solar modules, for example rails or other support elements. The arrangement of the holes, so the hole profile is not subject to standardization or the like, so that the hole spacing and the hole diameter vary from manufacturer to manufacturer. As a result, the fastening holes provided by the manufacturer can generally not be used for fastening the solar modules, since their hole pattern does not match that of the mounting systems for solar modules. As a result, auxiliary structures are used, which entail a sometimes incorrect installation of the solar modules.
  • the invention which incorporates two distinct aspects, provides a structurally simple fastening system to which solar modules can be attached in two directions at completely arbitrary, steplessly adjustable positions - for example on the manufacturer's mounting holes for which there is no standardization.
  • a solar park can thus be built with solar modules from different manufacturers, when using one and the same fastening system.
  • Another advantage of the invention is that the solar modules can be fastened from below to the fastening system, which means a great deal of ease for the assembly.
  • the fastening system consists of at least one support element and at least one rail element, wherein the support member has an extension along a first axis and is provided with at least one adjustment section, wherein the rail member has an extension along a second axis and a mounting side and a connecting side, wherein the fastening side is provided with at least one receiving element, with which the rail element on the adjustment portion of the support member is attachable, and wherein the connecting side has a median plane which is aligned parallel to the second axis and offset by a distance Center of the receiving element extends.
  • the fastening system is preferably designed to fasten solar modules.
  • the solar modules are preferably fastened to the rail elements, wherein the fastening system preferably comprises a plurality of support elements and rail elements fastened thereto.
  • the fastening system preferably comprises a plurality of support elements and rail elements fastened thereto.
  • This fastening system is particularly preferably suitable for fixed mounting of solar modules, furthermore particularly preferred for use in tilt trackers.
  • the carrier elements are preferably arranged at least approximately transversely to the rail elements.
  • the support elements extend along a first axis, the rail elements along a second axis.
  • the first and second axis plane has an inclination angle desired to maximize solar radiation.
  • At least one support element is arranged on a rammed into the ground post or attached to another base, z. B. a roof.
  • the arrangement of these posts along the second axis extends such that a plurality of support elements can be fastened.
  • a carrier element is preferably designed as a Z-profile.
  • at least one adjusting section is arranged in one of the flanges of the carrier element along the first axis.
  • the series of adjusting sections extends in particular over the entire length of the carrier element, wherein at least one adjusting section is particularly preferably designed as a slot.
  • the at least one rail element can be fastened by means of its receiving element, for example by a screw or a clamp.
  • the rail member has a mounting side and a connection side, which are preferably opposite each other.
  • the rail element can preferably be fastened with a carrier element, while the solar modules are attached to the connection side.
  • the connection side is preferably provided with in each case two connection regions on which a connection element can be arranged.
  • the attachment side in turn is provided with at least one receiving element, which is preferably used to produce a non-positive and / or positive connection with the carrier element, in particular its adjustment.
  • the receiving element is preferably designed as a recess or hole, and preferably over the length of the rail element either a plurality of receiving elements distributed, or the receiving element extends over the entire length, so that the rail element at arbitrary positions along the second axis on the support element can be attached.
  • each point of the center line of the receiving element parallel to the second axis may be referred to as the "center of the receiving element.”
  • the connecting side has a median plane extending along or parallel to the second axis, and thus preferably at least approximately transverse to the first axis Axis and perpendicular to the attachment side This center plane is offset by a distance to the center of the receiving element., With respect to the center of the receiving element results in a displacement of the center plane along the first axis ..
  • the size of this displacement or this distance is preferably on position and In this way, a completely stepless adjustment of the rail element on the carrier element is made possible along the first axis,
  • the rail element can be fastened to the adjustment section of the carrier element via a fastening means and the receiving element ground, wherein the length of the adjustment section or slot along the first axis is usable for an adjustment.
  • a further adjustment is realized by rotating the rail member by 180 ° about an axis perpendicular to the first and second axes, characterized in that the center plane is offset by a distance from the center of the receiving element.
  • At least one hammer head screw is preferably provided, more preferably with a hook head, which allows a positive introduction of the load in the receiving element.
  • a further preferred embodiment provides for the use of rivets or other screw connections or, in general, positive or positive connections.
  • the use of elongated holes as adjustment ensures maximum stability of the support element. Due to the infinitely variable adjustability of the rail element along the first axis on the carrier element, a slide nenelement any exactly under a solar module, preferably on the frame or on the edge of the solar module, particularly preferably to the holes provided for attachment and force and / or positively connected connectable.
  • a multiplicity of rail elements are preferably arranged parallel to one another on the carrier elements such that one or more rows (eg 2, 3, 4 or 5 ) of solar modules can be fastened to the rail elements, such that the rail elements can always be arranged on the holes provided for fastening the solar modules.
  • at least one adjusting section is designed as a slot, the maximum extent of which extends along the first axis.
  • Further preferred embodiments have parallel rows of holes offset along the first axis, with their hole patterns overlapping in such a way that likewise a stepless adjustment along the first axis can be represented.
  • the adjustment section is shown as a groove, in which a rail element along the first axis can be guided.
  • the length to width ratio of a slot is in the range of 1 to 4, more preferably 3.08. More preferably, the receiving element is a along the second axis extending groove or opening in the attachment side. Other embodiments also have sections of openings along the second axis.
  • the receiving element is designed such that the rail element by a fastening means positively and / or non-positively connected to the support member by the fastening means the receiving element and the adjustment attached to each other, in particular by both pluggable or both passes through or comprises.
  • Preferred embodiments have as fastening means a hammer head screw, particularly preferably with a hook head.
  • a positive and / or non-positive connection by rivets, terminals etc. can be displayed. It is advantageous if the distance between two adjustment sections along the first axis corresponds at most twice the distance between the center point of the receiving element transversely to the center plane minus the width of the receiving element in the direction of the first axis.
  • connection side and thus the solar modules attached to it, can be steplessly positioned along the first axis-even over the distance between two adjustment sections.
  • the rail element can be rotated by 180 ° for this purpose.
  • the distance between two adjustment sections along the first axis is designed so that the median plane of a connection side can be positioned in the region between two adjustment sections, wherein in particularly preferred embodiments, the median plane can be positioned over half of the section located between two adjustment sections.
  • the ratio of the distance between the centers of two successive elongated holes to the length of a slot is in the range of 0.8 to 3, particularly preferably 1.675.
  • the extent of at least one adjusting section in the direction of the first axis corresponds at least twice the distance between the center point of the receiving element transversely to the center plane plus the length of the receiving element in the direction of the first axis.
  • Preferred embodiments have fastening means whose maximum extension along the second axis corresponds to the maximum extension of the adjustment sections in this direction.
  • the fastening means when it is inserted in the carrier element, secured against displacement along the second axis.
  • the fastening means is displaceable only along the first axis.
  • the rail element is expediently displaceable along the first axis by the shape of the adjusting section on the carrier element in such a manner that the rail element can be fixed in sections on the carrier element in a continuously variable manner.
  • the shape of the adjustment section along the first axis particularly preferably has an elongated extension.
  • Further preferred embodiments also have adjusting sections which do not run exactly parallel to the first axis but, for example, obliquely.
  • the attachment means When a fastener is moved in such an adjustment section, the attachment means performs movement along both the first and second axes. It is preferred that after reaching a desired position, the rail element via the fastening means in this position on the support member by force and / or positive fit is fixable.
  • the center plane of the rail element is completely steplessly arranged on the carrier element by the shape of the rail element in combination with at least one adjustment section along the first axis. While the shape of the adjustment allows only a sectionally continuous adjustment along the first axis, the shape of the rail element allows a completely stepless adjustment of the median plane along the first axis. This is possible by rotating the rail element by 180 ° in the plane spanned by the first and second axes. It is advantageous if the concrete arrangement and spacing of the rail elements on the carrier element before assembly of the fastening system on the basis of the manufacturer's specifications with respect to the solar module or its dimensions is determined. Furthermore, preference is given to the arrangement of a plurality of rail elements along the first axis, a teaching or other means used.
  • the rail element is made in one piece and made by a forming process, in particular by a sheet-metal roll deformation, made of sheet steel.
  • a forming process in particular by a sheet-metal roll deformation, made of sheet steel.
  • the receiving element and / or the connecting regions are also preferred the connecting side formed by the forming manufacturing process.
  • the rail element is made of sheet steel, in which case in particular the lower thermal expansion coefficient compared to, for example, aluminum is advantageous. The distortion of the components is thus very low at high and low temperatures or temperature fluctuations.
  • the steel is preferably processed with a corresponding surface treatment method, eg galvanized.
  • the steel sheet is preferably coated before the actual forming process, alternatively also after the forming process.
  • the material used is aluminum.
  • the invention is also directed to a solar module arrangement, comprising a fastening system and at least one solar module, wherein the solar module is rectangular and is arranged with its long side along the second axis, in each case in particular more than two, preferably four, solar modules side by side along the first axis are lined up.
  • Said solar module arrangement allows a tighter installation or arrangement of solar module rows, as deliberately shading can be accepted by this positioning of the solar modules.
  • a solar module is shaded while, for example, above arranged solar modules are fully illuminated by the sun. It is advantageous if the receiving element has such a bead-shaped edges that a suitable for a force and / or positive connection with a hammer head screw geometry is formed.
  • a hammer head screw is used, which does not have to be fixed specifically when locking, for example with a wrench.
  • the hammer head bolt is preferably secured with a corresponding nut.
  • Particularly preferred hammer head screws have a hook head.
  • the receiving element is formed by forming technology such that the hook head the bead of the Wrapping element encloses.
  • the carrier element is designed as a Z-profile, wherein at least one adjustment section is arranged in at least one of the flanges.
  • the Z-profile is a standard profile and as such, both cheap to produce and cheap procured. Also preferred are coated variants. Further preferred embodiments are made of aluminum.
  • the rail element has transversely to the second axis in total a non-symmetrical with respect to the median plane cross-section, in particular a substantially parallelogram-shaped cross-section.
  • the side surfaces of this parallelogram which complete the attachment side and the connection side of the rail element to a complete profile, preferably at an angle of 65 to 85 °, with respect to the mounting side, arranged with the angle of each smaller angle of the two Angle is understood, which results in relation to the mounting side.
  • the rail element may also have a substantially rectangular cross-section, wherein the center of the receiving element is not centered, but offset from the median plane.
  • the rail element has on its connection side a first and a second connection region, which extend on both sides of the median plane along the second axis.
  • the connecting regions are designed to be identical in such a way that both can be connected both positively and positively and / or non-positively to another element, in particular to a connecting element.
  • the connecting regions are preferably designed as projections on both sides of the center plane, which preferably lie in the plane of the fastening side.
  • the supernatants are produced by a metal-forming manufacturing process. This is particularly preferred Rail element manufactured in one piece.
  • the different functional areas of the rail element are arranged in different components.
  • the connection areas are each formed as suitable for positive and / or non-positive protrusions.
  • the receiving element can in turn be formed as a slot with a maximum Warre- ckung along the first axis, whereby the rail member along the first axis is displaceable and wherein at least one adjustment of the support member provides no displacement of the fastener in this along the first axis.
  • Preferred embodiment of the rail element thus has a sectionally continuous adjustment along the first axis.
  • at least one adjustment section can be designed such that no displacement of a fastening means along the first axis in this is possible.
  • a fastening means by the receiving element and the adjustment portion plugged in such a way that the support member and rail element are non-positively and / or positively connected.
  • the rail element is infinitely displaceable along the first axis by a fastening means, which in the direction of the first axis has a smaller maximum extent than the receiving element in the direction of the first axis.
  • a displacement of the rail member along the first axis is achieved by a preferably compared to the extension of the receiving element in the direction of the first axis rather thin fastener.
  • the rail element is thus displaceable along the first axis in that a preferably thin fastening means is used in comparison to the receiving element of the rail element and / or for the adjustment section of the carrier element.
  • the term "thin" means that a displacement of the receiving element and thus of the rail element along the first axis can be displayed, with Such a fastening means also a positive and / or frictional connection can be achieved.
  • the first aspect of the invention is also directed to a carrier element and a rail element of the fastening system described above.
  • the fastening system consists of at least one rail element and at least one connecting element, wherein the rail element extends along an axis, the second axis, and has a first and a second connecting region, wherein the connecting element at one of the two connecting regions can be arranged in a form-fitting manner and can be displaced along the second axis and wherein the connecting element has at least one passage region, by which it can be connected to a further component by a combination means such that a frictional connection and / or a connection between the connecting element, the other connection region and the further component Positive locking is achieved.
  • the fastening system is preferably designed to fasten solar modules.
  • the solar modules are usually plate-shaped photovoltaic modules. These are preferably framed, alternatively frameless.
  • This fastening system is particularly preferably suitable for fixed mounting of solar modules, furthermore particularly preferred for use in tilting trackers.
  • the rail element preferably has a fastening side and a connecting side, the connecting side preferably again having two connecting regions.
  • a connecting element is positively and positively and / or non-positively attachable.
  • the connecting element provides at least one passage region, which serves the positive and / or non-positive connection with another component, wherein the further component is preferably a solar module or a terminal for fixing a solar module.
  • the connecting element and thus the through-hole Gangs Scheme along the second axis is displaceable, since the connecting portions preferably over the length of the rail element have a constant cross-section.
  • the passage region can be positioned directly below a mounting hole of a further component, particularly preferably a solar module.
  • a solar module is attached via at least one connecting element on at least one rail element such that between the rail element, the connecting element and the solar module, a positive connection and a positive and / or adhesion is achieved.
  • the positive and / or positive connection - preferably clamping closure - is achieved by a combination means introduced into the passage area.
  • the combination means is a screw with a corresponding nut, particularly preferably a rivet.
  • This passage region in the connection element preferably opens directly next to the connection region, so that the combination means exerts its clamping action on it by means of a flat region, in particular by means of a broad head or a washer.
  • the rail elements are preferably arranged on Susun- which are aligned transversely to the rail elements along a first axis.
  • the plane of the first and second axes has an inclination angle desired to maximize solar radiation.
  • a fastening system preferably comprises a plurality of rail elements, connecting elements and combination means, wherein different embodiments of connecting elements, some of which are described later, can be used with the same type of rail element.
  • the combination means is a screw or a rivet.
  • at least one M8 screw with appropriate nut is installed.
  • at least one rivet is preferably installed.
  • the advantage of a rivet connection is, in addition to a quick mountability especially the high theft protection.
  • the geometry of the passage area is preferably matched to the te combination means adapted so that, for example, in an M8 screw, the passage region preferably has a diameter of 8.5 mm.
  • the first and second connecting portions are designed identically so that both are positively connected to the connecting element as well as positively and / or non-positively connected to another component.
  • the connection regions are preferably designed as planar projections with respect to a plane defined by the first and second axes, in particular the plane of the connecting side of the rail element. It is advantageous that although the rail element is preferably asymmetrical in cross-section, the first and second connection regions have a symmetry relative to one another. As a result, a rotation of the rail on a plane spanned by the first and second axes plane by 180 ° is possible.
  • the connecting regions are produced in one piece with the rail element by a forming manufacturing process.
  • the positive connection of the connecting element with one of the connecting regions is designed such that the connecting element at least partially surrounds one of the connecting regions, for. B. by a cross-section hook-shaped curved end portion, wherein the hook may have a slight undercut.
  • the positive connection may also include a slight clamping connection, which in any case holds the weight of the connecting element.
  • a plug connection between the connecting element and connection area It is advantageous that in this case no precisely fitting connection is needed, since on the other side of the rail member, the other connection area, preferably a non-positive connection is made.
  • the positive connection is designed such that a displacement of the connecting element along the second axis on the rail element is initially possible.
  • the existing mounting holes of the solar module which are for example specified by the manufacturer, can be used. It has advantages if the one of the connecting areas, which is in positive engagement with the connecting element, seen from a ground level located below the carrier element, is the upper one. This is advantageous if the plane of the first and second axis has an inclination angle desired for maximizing solar irradiation, because then the connecting element can be suspended more or less on the rail element.
  • the connecting elements can also be plugged the other way around on the rail elements, especially if the positive connection also easily clamped. In a fastening system usually many connecting elements are used, which can be plugged in any direction.
  • the frictional connection and / or positive connection of the connecting element with one of the connecting regions and a further component is achieved in that the combination means clamps the further component, one of the connecting regions and the connecting element to one another.
  • the combination means is a screw, more preferably a rivet.
  • the combination means preferably clamps the solar module, the connecting element and the rail element in such a way that a displacement of the solar module or of the connecting element along the second axis is no longer possible.
  • the frictional connection and / or positive connection of the connecting element with at least one further component on the shape of the combination means can be displayed, characterized in that the combination means is designed in such a flat surface in at least one contact area, that a clamping action between the rail element, the connecting element and the further element achievable is.
  • a combination agent is passed through the passageway inserted rich of the connecting element, which is arranged directly adjacent to the edge of the connecting region, so that the area of contact area of the combination means with the connection area is in the force or clamped.
  • the frictional connection and / or positive connection can be represented by at least one second connecting element, which surrounds or covers the further component and / or a connecting region in such a way that a clamping effect can be achieved by the combination means.
  • the second connecting element is preferably a washer, which on the one hand between the combination means and the rail element, on the other hand between the combination means and the further component allows a non-positive or positive connection.
  • the further component is a clamp for fastening a solar module.
  • the clamp has a geometry corresponding to the geometry of the solar module.
  • framed solar modules particularly preferred but also frameless solar modules can be used. It is advantageous if the clamp is particularly preferably provided with the use of frameless solar modules preferably with a rubber or foam padding, in particular to protect a frameless solar module against scratching, for example during assembly.
  • the connecting element has at least a second passage region along the second axis such that, in addition to a further component, at least one additional further component can be fixed.
  • Preferred embodiment thus allows the attachment of at least two other components, in particular solar modules, with a connecting element.
  • Alternatively preferred is also the embodiment with only one passage region, which is designed as a slot, the maximum extent of the slot along the second axis.
  • the connecting element essentially forms approximately transversely to a plane, which is spanned by the first and second axis, at least one projection, with which at least one additional further component, in particular a solar module, can be positively connected.
  • the supernatant and the connecting element are made in one piece. Height and shape or the geometry in general of this supernatant are preferably adapted to the shape of the further component, in particular to the frame of a solar module or the thickness of a frameless solar module.
  • An advantage for the mountability of such fastening systems is that the positive connection of the connecting element with the additional additional component can be reinforced by utilizing the weight of the additional additional component. Seen from a located below the support element ground level from so that the further component, particularly preferably the solar module, can be used from above into this supernatant. The weight of the solar module is thus usable for positive locking. If the rail elements are thus arranged at intervals that correspond to the edge length of the solar modules, so that in each case two solar modules are adjacent to one another on a rail element, the following mounting method is possible:
  • connecting elements are attached to a number of rail elements at predetermined intervals, preferably adjusted approximately to the hole profile of the solar modules specified by the manufacturer. • then the solar modules are each inserted at their lower edges in the supernatants, each resting on its upper edge on connecting elements on the next higher rail element, wherein possibly already a predetermined mounting hole in the solar module is aligned with the passage region of a connecting element;
  • combination elements are introduced, in particular riveted, into the passage region of all connecting elements, so that now all the connecting elements are firmly connected to the respective rail element and to the solar module resting thereon.
  • the connecting element has at least one further passage region, which is offset in relation to the first passage region along the first axis, that is, in the middle region of the connecting element.
  • it can be directly positively and / or non-positively connected with at least one additional further component by a further combination means.
  • an additional further component particularly preferably a solar module or a terminal for solar modules, can be fastened to a single connecting element without the use of a projection.
  • the use of a plurality of further passage regions along the first axis has the advantage that the distance between the two solar modules is adjustable relative to one another. This makes it possible to arrange solar modules with the shortest possible distance, which is particularly advantageous for optimum use of area. Due to the fact that the solar modules are fastened exclusively to their manufacturer-side fastening holes arranged on the underside, and that no components or projections project beyond the surface of the solar modules, snow can slide off in an ideal manner and the full area or performance of the solar module is maintained. In this embodiment, it is expedient for the assembly, first to attach the necessary connecting elements to the manufacturer-side mounting holes of the solar modules, specifically on these through-holes in the central region of the connecting element.
  • the connecting element and / or the rail element are formed such that the head of a combination means can be arranged between them, characterized in that the connecting element and / or the rail element form a free space in which the head of the combination means can be arranged.
  • the connecting element has recesses in order to receive the head of the combination agent, particularly preferably a screw or a rivet.
  • the connecting region of the rail element is designed by recesses such that the head of the combination means can be received.
  • At least one further component is a solar module, wherein a solar module is rectangular and is arranged with its long side along the second axis, wherein in particular more than two solar modules are juxtaposed along the first axis.
  • Said solar module arrangement allows a tighter installation or arrangement of solar module rows, as by this positioning of the solar modules deliberately shading can be taken into account.
  • a solar module is shaded while, for example, wise above solar modules are fully lit by the sun.
  • At least one combination means is guided through a hole provided for fastening a frame of a solar module.
  • This is made possible by the stepless arrangement of the connecting element along the second axis. This makes it possible to position the passage areas of the connecting element exactly where the manufacturer-side attachment of the solar modules are provided. This is especially important for any warranty claims.
  • the mounting holes of the other components, in particular the solar modules, specified by the manufacturer are preferably used.
  • a positive and / or non-positive connection takes place at least in the region in which the manufacturer, the attachment of the further component, in particular of the solar module, is provided.
  • Fig. 1 is a perspective view of a preferred embodiment of the fastening system according to the invention with a plurality of solar modules;
  • FIG. 2 is an enlarged view of a preferred embodiment of the fastening system according to the invention as a schematic diagram
  • 3a shows a cross section through a fastened on a support element
  • FIG. 3b shows a cross section through the rail element of FIG. 3a fastened on a carrier element in a second arrangement
  • FIG. Fig. 3c shows a cross section through the attached to a support member
  • Fig. 4 is a perspective view of a preferred embodiment of the fastening system according to the invention
  • Fig. 5 shows a cross section of another preferred embodiment of the fastening system according to the invention transversely to the second axis
  • FIG. 6a shows a longitudinal section of a preferred embodiment of the connecting element according to the invention
  • Fig. 6b is a plan view of two preferred embodiments of the connecting element according to the invention
  • Fig. 6c is a plan view of a further preferred embodiment of the connecting element according to the invention
  • Fig. 7 shows an arrangement of a further preferred embodiment of the fastening system according to the invention transversely to the first axis
  • FIG. 8 shows a cross section of a further preferred embodiment of the fastening system according to the invention transversely to the second axis, with a connecting element having a projection.
  • FIG. 9 shows a perspective view of a preferred embodiment of the fastening system according to the invention with a plurality of arranged solar modules 10 shows a view of a preferred embodiment of the fastening system according to the invention, with a connecting element which has four passage regions
  • Fig. 1 1 is a view of a preferred embodiment of the fastening system according to the invention, with a connecting element which has a projection and is connected via a clamp with another component
  • FIG. 1 shows a preferred embodiment of the fastening system according to the invention, in particular for solar modules 10, comprising at least one carrier element 4 and two rail elements 6 mounted transversely thereon, the carrier element 4 having an extension along a first axis A and the rail element 6 extending along one second axis B has.
  • a solar module 10 is located on two rail elements 6, which in turn are held by two support members 4.
  • the support elements 4 are preferably beam carriers with Z-profile, wherein in a flange of the Z-profile a number of adjustment sections 42 along the first axis A is arranged.
  • at least one adjusting section 42 is designed as a slot 44.
  • the rail elements 6 are preferably positioned along the axis A such that the fastening holes of the solar modules 10 can be used via the connecting elements 8.
  • FIG. 2 shows the arrangement of the rail element 6 on a carrier element 4, which are fastened to one another where a receiving element 66 overlaps in the fastening side 62 of the rail element 6 with an adjustment section 42.
  • the center plane E and the distance x of the center plane E to the center of the receiving element 66 is shown.
  • the connecting portions 61 and 63 are designed as projections. They serve one positive or force and / or positive connection with a connecting element 8, to which in turn a solar module 10 can be fastened.
  • the rail element 6 extends along the second axis B, transversely to the first axis A.
  • the adjustment sections 42 and elongated holes 44 also extend along this first axis A.
  • the receiving element 66 which in of this embodiment as a round hole, of which a row extends along the axis B, in further particularly preferred embodiments as a continuous opening or groove, which extends along the second axis B, is formed.
  • FIG. 3a shows a fastening system 2 in cross-section to the second axis B.
  • the cross-sectional one-piece rail element 6, which was produced from sheet metal with a forming process manufacturing, has connecting portions 61 and 63 and a, at the edges bead-shaped receiving element 66th
  • the length x denotes the distance x of the center of the receiving element 66 to the plane E, which is the median plane of the connecting side 64.
  • Fig. 3b shows a further view of the known from Fig. 3a preferred embodiment, in which the position of the median plane E is arranged at the same point, as in Fig. 2a, wherein the fastening means 68, in comparison to Fig. 3a, the next , In this case, in the right, adjusting portion 42 is arranged.
  • the fastening means 68 assumes a position on the far left in the adjustment section 42.
  • Fig. 3b shows how the space between the adjustment sections 42 along the first axis A can be bridged by the shape of the rail element 6 when the rail element 6 is rotated by 180 °.
  • the fact that the fastening means 68 in turn is infinitely adjustable in the adjustment section 42, now starting from the position of the plane E in Fig.
  • Fig. 3c further shows an embodiment of the fastening means 68 in the form of a hook-headed screw.
  • the Conselennent is designed so that the shape of the hook head screw in combination with the geometry of the receiving element, in particular the bead-shaped edges, allows a positive connection.
  • FIG. 4 shows a preferred embodiment of the fastening system 2 according to the invention, in particular for solar modules 10, consisting of a rail element 6 and a connecting element 8, wherein the rail element 6 extends along a second axis B and has a first 61 and a second 63 connecting region the connection element 8 can be arranged in a form-fitting manner on one of the two connection regions 61, 63 and is displaceable along the second axis B, and wherein the connection element 8 has at least one passage region 82, by means of which it can be connected to a further component 10 by a combination means 84 in that between the connecting element, the other connecting region 61, 63 and the further component 10, a frictional connection and / or a positive connection is achieved.
  • connection side 64 of the rail element 6 has two connection regions 61, 63, which form a substantially identical geometry. This ensures that the rail element 6 on a plane which is spanned by a first axis A and the second axis B, is rotatable by 180 °.
  • the (pure) positive connection between the connecting element 8 and the connecting portion 61 is achieved in that the connecting element 8, the connecting portion 61 at least partially encloses, with a hook or U-shaped portion.
  • the force or positive connection between the combination means 84, the connecting element 8 and the rail element 6 is represented by second connecting elements 88, which are designed here as washers 88.
  • the lower head of the combination means 84 can make a clamping connection with the connection area 63 via the washer 88
  • the end section of the connection element on this side is thickened so that it has approximately the same thickness as the connection area 63 and the middle section of the connection element together
  • the connecting element 8 and another component, such as a solar module 10 clamped to each other. Since the passage area 82 of the connecting element 8 is adjacent to the edge of the connecting area 63, it can be positioned precisely at a desired location along the second axis B, in particular where the solar module is to be fastened.
  • a combination means 84 a screw or a rivet is preferably used.
  • FIG. 5 shows a further embodiment of the fastening system 2 according to the invention in a sectional view transversely to the second axis B.
  • the combination means 84 is a rivet.
  • the rivet heads are designed so large area that can be dispensed with the use of a second connecting element 88 for the non-positive and / or positive connection of the rail member 6, the connecting element 8 and the solar module 10.
  • FIG. 4 shows a preferred embodiment of the connecting element 8 for the positive connection with one of the connecting regions 61, 63 of the rail element 6. It can be seen that the positive connection of the connecting element 8 around the connecting region 61 does not have to be completely without play. In the right-hand region of FIG.
  • the wall thickness of the end section of the connecting element 8 is adapted to the wall thickness of the connecting regions 63 in such a way that around the passage region 82 and the connecting region 63 a flat area is created, which is suitable for a positive and / or non-positive connection.
  • FIG. 6 shows a longitudinal section of a preferred embodiment of the connecting element 8 and the arrangement of the passage region 82.
  • the wall thickness to the right of the passage region 82 of the connecting element 8 is thickened and thus adapted to the wall thickness of a possible connection region 61, 63 such that a force and / or or positive connection with a combination means 84 is possible.
  • the left part of the connecting element 8 in Fig. 6 shows the for achieving the positive connection with the Schienenele- ment 6 selected hook-shaped geometry.
  • Figures 6b and 6c show further preferred embodiments of the connecting element 8 according to the invention in its plan view, wherein the passage areas 82 are designed for a round hole, alternatively as a slot.
  • FIG. 6 d shows an embodiment of the connecting element 8 according to the invention, wherein at least two passage regions 82 are contained, wherein at least one of the passage regions 82 is designed as a slot.
  • Two passage areas 82 can be used to attach two solar modules to a single connecting element 8.
  • the use of elongated holes has the particular advantage that differently sized solar modules or solar modules of very different manufacturers, which have different dimensions, can be used.
  • the design of the passageway 82 allows both the use of screws and rivets.
  • Fig. 7 shows an embodiment of the connecting element 8 along the second axis B, wherein two solar modules 10, 30 are secured in this case a single connecting element 8 to the rail element.
  • Fig. 7 shows an embodiment of the connecting element 8 according to the invention with two passage areas 82, which are designed as round holes. Also preferred are embodiments with elongated holes, which allows positioning of the solar modules 10, 30 to each other. This smallest distances between the solar modules 10, 30 can be achieved. This is of particular advantage in order to realize the greatest possible area utilization. Furthermore, protection or snow deposits between the solar modules 10, 30 can be prevented by the shortest distances between the components.
  • FIG. 8 shows a further embodiment of the fastening system 2 according to the invention for solar modules 10, wherein the connecting element 8 with a Passage region 82 and a supernatant 81 is executed.
  • the supernatant 81 is designed such that a positive connection with a further element 30, in particular a solar module 10, can be displayed.
  • FIG. 8 shows an oblique arrangement of the entire fastening system 2, consisting of the carrier element 4, the rail element 6 and the connecting element 8, as is used in reality.
  • the connecting element 8 can be positively inserted at the connecting region 61 of the rail element 6 and is displaceable along the second axis B.
  • the solar module 10 can be inserted into the projection 81.
  • FIG. 9 shows a further embodiment of the fastening system 2 for solar modules 10 according to the invention.
  • a rail element 4 extends along the first axis A and is provided along the axis A with adjusting sections 42, which are designed here as elongated holes 44.
  • adjusting sections 42 which are designed here as elongated holes 44.
  • the fastening side 62 of the rail element 6, which has a receiving element 66, can be non-positively and / or positively connected to the carrier element 4 via a fastening means 68, not shown in FIG. 9.
  • the longer side of a solar module 10 extends along a rail element 6, so that each two solar modules 10 come to rest with their edges on a rail element, so they can be fastened with the inventive connecting elements in the manner described above at any intervals , It is of great advantage that the connecting elements 8 thus make it possible to fasten the solar modules 10 to the fastening openings provided by the manufacturer.
  • the connecting elements 8 on the rail element 6 along the second axis B can be arranged steplessly. A stepless adjustment along the first axis A results from a positioning of the rail element 6 on Support element 4. Thus, a completely stepless adjustment of the fastening system 2 is given to the solar module 10.
  • FIG. 10 shows a further embodiment of the fastening system 2 for solar modules 10 according to the invention.
  • three further passage regions 83 are provided in the middle region of the connecting element 8.
  • Further embodiments have several or even fewer passage areas.
  • the space between the connecting element 8 and the rail element 6 is designed such that the head of a combination means 84 introduced into one of the passage regions 83 can be arranged between the connecting element 8 and the rail element 6.
  • the system, consisting of a solar module 30 and the connecting element 8, thus remains displaceable on the rail element 6.
  • the non-positive and / or positive connection of the solar module 30 shown in FIG. 10 with the connecting element 8 takes place before the actual fastening to the rail element 6.
  • the connecting element 8 is attached to the further component shown in FIG 30 so fastened that the two components can be arranged later as a whole on the rail element 6 via the positive connection with the rail element 6.
  • Several passage areas 83 are provided to be able to adjust the distance of a plurality of solar modules 10.
  • the use of the further left still free passage area 82 would be possible.
  • the connecting element 8 is designed in such a way that it creates space by removing material for the head of the fastening means 84.
  • a s terminal 86 is attached to the connecting element as a further component instead of a solar module.
  • the clamp 86 enables the force and / or positive connection with a larmodul 10, here a frameless module.
  • the clamp 86 is equipped with a rubber or foam pad to not damage the solar module 10.
  • the supernatant 81 is also designed such that a further component 30 in the form of a frameless solar module 10 can be arranged.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (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)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

L'invention concerne un système de fixation (2), en particulier pour des modules solaires (10), comprenant au moins un élément support (4) et au moins un élément glissière (6). L'élément support (4) présente une étendue en longueur le long d'un premier axe (A) et est pourvu d'au moins une partie de réglage (42), l'élément glissière (6) présente une étendue en longueur le long d'un deuxième axe (B) et comporte au moins une face de fixation (62) et au moins une face de liaison (64). La face de fixation (62) est pourvue d'au moins un élément de réception (66), au niveau duquel l'élément glissière (6) peut être fixé à la partie de réglage (42) de l'élément support (4). La face de liaison (64) présente un plan médian (E) qui est orienté parallèlement au deuxième axe (B) et s'étend de manière décalée d'une certaine distance (x) par rapport au point central de l'élément de réception (66).
EP13704038.2A 2012-02-03 2013-01-31 Système de fixation pour modules solaires Withdrawn EP2810000A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202012001079U DE202012001079U1 (de) 2012-02-03 2012-02-03 Befestigungssystem für Solarmodule
DE202012001078U DE202012001078U1 (de) 2012-02-03 2012-02-03 Befestigungssystem für Solarmodule
PCT/EP2013/051955 WO2013113845A1 (fr) 2012-02-03 2013-01-31 Système de fixation pour modules solaires

Publications (1)

Publication Number Publication Date
EP2810000A1 true EP2810000A1 (fr) 2014-12-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13704038.2A Withdrawn EP2810000A1 (fr) 2012-02-03 2013-01-31 Système de fixation pour modules solaires

Country Status (2)

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EP (1) EP2810000A1 (fr)
WO (1) WO2013113845A1 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9109605U1 (de) * 1991-08-02 1991-09-26 Solar Energie Technik GmbH, 6822 Altlußheim Bausatz eines Montagegerüstes zur Dachbefestigung von Solarmodulen
JP2003313998A (ja) * 2002-04-25 2003-11-06 Kyocera Corp 太陽光利用アレイ
DE102005032859B3 (de) * 2005-07-08 2007-04-19 Ulrich, Siegfried, Dipl.-Ing Befestigungssystem für Solarmodule
DE202006009871U1 (de) * 2006-06-15 2006-11-23 Sbu Photovoltaik Gmbh Montagesystem insbesondere für Solarmodule
DE202006012495U1 (de) * 2006-08-14 2006-11-02 Leichtmetallbau Schletter Gmbh Tragprofil für eine Solarmodulreihe
DE202007002232U1 (de) * 2007-02-12 2007-04-12 Ideematec Deutschland Gmbh Schienenartiges Profil
DE202007008471U1 (de) * 2007-06-13 2007-09-27 Leichtmetallbau Schletter Gmbh Vorrichtung zum Verbinden einer Profilschiene mit einem anderen Bauteil
DE102007039755A1 (de) * 2007-08-16 2009-02-19 Ulrich, Siegfried, Dipl.-Ing Befestigung von Solarmodulen auf Baukörpern
JP2010045346A (ja) * 2008-07-24 2010-02-25 Bp Corp North America Inc 調整可能な連結式ソーラーモジュールおよび設置方法
DE102009017164A1 (de) * 2009-04-09 2010-10-21 Aschenbrenner Gmbh Haltevorrichtung
DE102009023021A1 (de) * 2009-05-28 2010-12-02 Adensis Gmbh Klemmverbindung für Modulschienen bei Photovoltaikanlagen
DE102009030799A1 (de) * 2009-06-27 2011-07-28 Contecta GmbH, 55481 Befestigungselement
CH702979A2 (de) * 2010-04-01 2011-10-14 Andreas Lechthaler Verbindungsvorrichtung und Profilanordnung.

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