EP4434154A1 - Dispositif de support pour un système solaire et procédé de montage d'un système solaire - Google Patents

Dispositif de support pour un système solaire et procédé de montage d'un système solaire

Info

Publication number
EP4434154A1
EP4434154A1 EP22769683.8A EP22769683A EP4434154A1 EP 4434154 A1 EP4434154 A1 EP 4434154A1 EP 22769683 A EP22769683 A EP 22769683A EP 4434154 A1 EP4434154 A1 EP 4434154A1
Authority
EP
European Patent Office
Prior art keywords
module
post
support
solar
support posts
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.)
Pending
Application number
EP22769683.8A
Other languages
German (de)
English (en)
Inventor
Sandra WOLPERT
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.)
CWF GmbH
Original Assignee
CWF GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CWF GmbH filed Critical CWF GmbH
Publication of EP4434154A1 publication Critical patent/EP4434154A1/fr
Pending 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
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
    • F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
    • F24S25/632—Side connectors; Base connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/65—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent supporting elements, e.g. for connecting profiles together
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/70—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

Definitions

  • the invention relates to a supporting device for a solar system
  • the invention further relates to a method for assembling a solar system using a supporting device.
  • the frame system contains a plurality of support posts, which are fixed in a row in a row of posts in a row in a subsurface in the open area with a vertical longitudinal orientation, with adjacent support posts in the direction of the post row defining a receiving area in which two solar modules are arranged one above the other.
  • the solar modules are attached to the respective pair of support posts by means of a frame-shaped holding device.
  • a support arrangement for a solar system which has a plurality of support posts, at the upper end of which a cross member is mounted by means of two cross member holders, to which a solar module inclined with respect to the horizontal can be attached.
  • the cross member holders are adjustable in the longitudinal direction of the associated support post and in this way allow a flexible adjustment of a desired module use position for the solar module.
  • the invention is based on the object of providing a supporting device for a solar system that has a structurally simple structure, can be manufactured inexpensively and can be installed on site in a time-saving manner. Furthermore, an assembly method is proposed with which a solar system can be assembled efficiently and precisely outdoors using the supporting device.
  • the task is solved with a carrying device of the type mentioned at the beginning, - that the holding device has several module holders designed separately from one another,
  • the at least one solar module occupying the module use position is attached to each of the two support posts of the assigned support post pair via at least one of the several module holders,
  • each module holder has a base element that can be attached or attached to the support post assigned to it and a module holding element that is separate from the base element and can be attached or attached to the solar module on the one hand and to the base element on the other hand,
  • both the base element is adjustable relative to the support post assigned to it and the module holding element is adjustable relative to the base element assigned to it.
  • the carrying device contains a plurality of at least two and in particular more than two support posts, each of which extends along a post longitudinal direction and which, when used as intended, assume a post use position in which their longitudinal post direction is at least essentially vertically aligned.
  • the plurality of support posts are lined up with a mutual distance in a post row direction, with the post row direction extending orthogonally to the longitudinal direction of the posts.
  • Immediately adjacent support posts each jointly delimit a receiving area for a plate-shaped solar module and are referred to as a pair of support posts for better differentiation.
  • the supporting device can contain one or more pairs of support posts to define one or more receiving areas for at least one solar module.
  • Each existing solar module is attached to a pair of support posts using a Holding device is attached, which has several separately designed module holders, that is to say several individual module holders.
  • the multiple module holders can be handled independently of each other before and during their intended assembly.
  • Each solar module supported by a pair of support posts is mounted on each of the two associated support posts via at least one of the module holders.
  • a solar module can be fixed to each support post using just a single module holder or using several module holders spaced apart from one another in the longitudinal direction of the post.
  • Each module holder creates a connection between the solar module and only one of the two adjacent support posts. Apart from the module holders, there are expediently no fastening measures for the solar module with regard to the support posts.
  • the module holders have an advantageous multi-part structure and each have two main components, which are a base element and a separate module holding element.
  • each module holder When properly assembled, each module holder is attached to a support post via the base element and to the solar module to be installed via the module holding element. Since the module holders are only present at certain points and are in particular only assigned to the edge areas of the solar modules oriented in the direction of the post row, the shading effects of the holding device on the respective assigned solar module can be kept very low or even completely eliminated.
  • the division into two separate elements of a respective module holder makes it possible, in particular, to attach the base elements to the support posts and the module holding elements to the solar module independently of the base elements to mount a solar module and only then to attach the base elements to the module holding elements.
  • the carrying device offers the advantageous possibility of variable adjustment of the desired module use position for the relevant solar module of each base element relative to the one equipped with it Support posts as well as each module holding element can be adjusted relative to the assigned base element.
  • the adjustability of the base elements and the module holding elements for each module holder makes it possible to compensate for installation tolerances that inevitably arise when installing the support posts outdoors as intended and to position each solar module, in particular independently of any other solar modules that may be present, in the desired module position of use to position.
  • a prerequisite can therefore be created in order to install a large number of solar modules and in particular all solar modules arranged in a common row with the same spatial orientation and/or adaptation to the terrain profile, which enables a uniform solar yield and in parallel farming
  • the use of neighboring open spaces results in the least possible disruption.
  • a module use position with a vertical solar module orientation is preferred, in which the module plane of the solar module runs vertically. the normal vector of the module plane is aligned horizontally,
  • each module holder has double adjustment options, there is sufficient freedom of adjustment Available to optimally position the solar module in the desired module usage position.
  • the base elements are attached to the support posts independently of the module holding elements and the module holding elements are attached to the solar module independently of the base elements.
  • the solar module and the module holding elements attached to it form a uniformly manageable module assembly unit which can be attached with its module holding elements to the base elements pre-assembled on the support posts in a time-saving manner.
  • the carrying device is suitable for use with any type of solar module and, for example, also in connection with solar thermal modules.
  • a design in connection with photovoltaic modules is particularly advantageous, which are preferably photovoltaic modules that are photoelectrically active on both sides, i.e. so-called bifacial photovoltaic modules.
  • the at least one plate-shaped solar module In its module use position, the at least one plate-shaped solar module is in particular aligned such that at least one flat module surface of the solar module that is receptive to solar energy input extends vertically.
  • the normal vector of the module area in question is then aligned horizontally.
  • Vertical Module Alignment This is referred to as Vertical Module Alignment.
  • the solar module can have only a single or two opposing flat module surfaces that are receptive to solar energy input.
  • the at least one solar module has two opposing lateral edge sections, which are used in the module Each position in the post row direction faces one of the support posts of the associated pair of support posts.
  • Each module holder is expediently fastened to the solar module with its module holding section in the area of one of these lateral edge sections, so that it extends between this lateral edge section and the adjacent support post. In this way, shading of the module surface that is susceptible to solar energy input can be avoided by the module holders.
  • no components of the holding device used to fix the solar module are provided on an edge section pointing upwards in the longitudinal direction of the post.
  • the holding device provides an adjustment option for the solar module such that for each module holder, on the one hand, the base element is adjustable in an adjustment plane orthogonal to the post row direction relative to the associated support post and, on the other hand, each module holding element is adjustable in the post row direction relative to the associated base element.
  • the base element is adjustable in an adjustment plane orthogonal to the post row direction relative to the associated support post and, on the other hand, each module holding element is adjustable in the post row direction relative to the associated base element.
  • the base element in order to adjust the module usage position of the at least one solar module for each module holder, can be displaced in all directions relative to the associated support post in the aforementioned adjustment plane, so that both a vertical position and a horizontal position of the base element that is orthogonal thereto can be adjusted.
  • the base element can also be pivoted in the adjustment plane in order to change the inclination and accordingly position the solar module in a desired angular position. to be able to make direction.
  • the setting options are preferably designed in such a way that the individual displacement options and pivoting options can be carried out both individually and in a superimposed manner. Pivoting is possible in particular around an imaginary pivot axis that extends in the post row direction.
  • the module holding element can be linearly displaced relative to the assigned base element in the post row direction for each assigned module holder. Due to this functionality, the module holding element can also be referred to as a slider.
  • each module holder which is attached to a support post, expediently rests on a mounting surface of the relevant support post, which faces the other support post of the same support post pair in the post row direction.
  • Each module holder is preferably assigned a first fastening device, a second fastening device and a third fastening device.
  • the first fastening device is designed to fasten the base element to a support post
  • the second fastening device is designed to fasten the module holding element to the base element
  • the third fastening device is designed to fasten the module holding element to the solar module to be fixed.
  • Each of the three fastening devices is preferably designed as a releasable fastening device, for example using screw connections, so that any necessary readjustments can be made very easily at any time.
  • Each support post of the supporting device has a longitudinal shape with a longitudinal post axis defining a post longitudinal direction.
  • each support post In the post use position, the longitudinal direction of the post extends as far as possible and at least essentially vertically.
  • Each support post also has a post width direction that coincides with the post row direction in the post use position and is accordingly orthogonal to the longitudinal direction of the post.
  • each support post extends in a direction orthogonal to the post longitudinal direction and the post width direction, which is referred to as the post depth direction.
  • the post depth direction extends in particular parallel to the adjustment plane of the base elements mentioned above.
  • the first fastening device expediently has a plurality of elongated holes formed in the associated support post at a distance from one another in the longitudinal direction of the post, which are referred to as elongated post holes and which each extend in the post depth direction.
  • the first fastening device has two elongated holes formed in the base element, referred to as elongated base holes for better differentiation, which each extend in the longitudinal direction of the post and which are formed in the base element at a distance from one another in the longitudinal direction of the post.
  • the first fastening device also has two clamping units, which can assume both an unstressed use state that enables the base element to be adjusted with respect to the support post and a tensioned use state that immovably blocks the base element with respect to the support post.
  • the respective usage state can be specified manually, in particular using a suitable operating tool.
  • the base element is arranged in such a way that its two base elongated holes are each in a cross configuration with one of the Post elongated holes are arranged, with each of the two clamping units passing through both one of the base elongated holes and the post elongated hole arranged in a cross configuration.
  • the crossing elongated holes offer the above-mentioned possibility of carrying out a stepless relative adjustment movement of the base element with respect to the support post, executing a translational and/or a rotary or pivoting movement.
  • each support post which is composed of a plurality of elongated post holes having more than two elongated post holes and which are arranged at the same distance from one another in the longitudinal direction of the post.
  • the assigned module holder with its base element can be gradually fastened in different vertical positions and accordingly at different heights above a surface on or in which the support posts are anchored. Different gradual vertical positions are characterized by the fact that different post slots are involved in the cross configuration with the base slots. A fine adjustment of the vertical position is possible through the continuous adjustment movement, in which the relative position between the elongated holes arranged in a cross configuration is changed.
  • Each support post can be equipped with a single slot field for attaching a solar module, which is used or can be used by only one module holder or by several module holders. Alternatively, several module holders can be installed along the length of the post for simultaneous use. Elongated hole fields arranged spaced apart from one another can be formed in the support post.
  • each support post has a U-shaped cross-sectional profile with two post legs spaced apart from one another in the post width direction, each of which extends in a plane orthogonal to the post width direction coinciding with the post row direction.
  • several of the post elongated holes are formed in each of the two post legs, so that each post leg can be used to attach one of two solar modules placed in adjacent receiving areas to one and the same support post.
  • the second fastening device preferably contains an elongated hole formed in the module holding element, which extends in the post row direction and is referred to as a holding element elongated hole for better differentiation. Associated with it is a fastening hole formed in the base element and also belonging to the second fastening device, which is referred to as a base fastening hole for better differentiation and is covered by the holding element elongated hole.
  • the base fastening hole is in particular a circular through hole.
  • the second fastening device in particular also contains a clamping unit, which passes through both the holding element elongated hole and the base fastening hole aligned in this regard and can optionally be placed in an unstressed or in a tensioned state of use, analogous to the clamping units mentioned above, in order to either adjust the module holding element with respect to of the base element or to immovably block these two components relative to one another.
  • the third fastening device has a fastening hole formed in the module holding element and referred to as a holding element fastening hole for better differentiation, with which a further fastening hole, referred to as a solar module fastening hole, which is formed in the solar module, is aligned.
  • the solar module mounting hole is expediently located in a module 1 frame that delimits the solar module on the outside.
  • a clamping unit which also belongs to the third fastening device, jointly passes through the holding element fastening hole and the solar module fastening hole and enables the solar module or to clamp its module frame immovably with the module holding element in a tensioned state of use.
  • a particularly high stability of the module fastening can be achieved if, in a preferred manner, the base element of each module holder has a support section which, when mounted on a support post, has a support surface that points vertically upwards, on which the assigned module holding element has a support section can be placed vertically from above when it is attached and rests on it when installed.
  • the base element of each module holder has a support section which, when mounted on a support post, has a support surface that points vertically upwards, on which the assigned module holding element has a support section can be placed vertically from above when it is attached and rests on it when installed.
  • To adjust the module usage position there is in particular the possibility of moving the module holding element back and forth along the support surface in the post row direction in the manner of a slider when it is resting on the support surface.
  • a linear guide for an adjustment movement of the module holding element can be achieved on this surface.
  • the support surfaces of the base elements expediently make it possible to place a previously assembled module assembly unit with holding elements pre-assembled on the solar module as a whole and then adjust it.
  • the aforementioned assembly of a module assembly unit is favored if the support section of each module holder delimits a support channel which extends in the direction of the row of posts and is open at the top, the inner surface of the channel of which forms the support surface and into which the associated module holding element can be hung with its support section and at mounted module assembly unit is suspended.
  • the module area of a solar module is small, it may be sufficient to attach a solar module to each of the two support posts of the assigned pair of support posts using only a single module holder.
  • several smaller solar modules can be arranged one after the other in the longitudinal direction of the post, i.e. H . one above the other, in placed in the same recording area and attached to the support posts of the same pair of support posts.
  • the solar module occupying the module position of use is attached to each of the two support posts of the assigned pair of support posts via several module holders arranged at a distance from one another in the longitudinal direction of the post, regardless of its size.
  • two module holders are provided per support post. Each module holder causes the solar module to be suspended at specific points, so that when four module holders are used, this results in a four-point suspension.
  • a carrying device designed to carry a large number of solar modules can in principle have two support posts of its own to form each pair of support posts that define a receiving area.
  • Much more cost-effective, however, is a preferred structure in which there are several pairs of support posts each defining a receiving area, each support post flanked by a support post on opposite sides in the post row direction simultaneously belonging to two pairs of support posts and with each of the two The support post flanking it forms one of two pairs of support posts, each delimiting a receiving area for a solar module.
  • the supporting device is a row of posts composed of a large number of support posts, in which only the support posts arranged at the two ends of the row, which can be referred to as end posts, only limit one receiving area, while all the support posts arranged in between, which can be referred to as intermediate posts, each have two adjacent ones at the same time Limit recording areas for at least one solar module each.
  • Support posts that serve to simultaneously delimit two receiving areas can expediently be equipped or equipped with at least one module holder of their own for each adjacent solar module.
  • These are preferably galvanized sheet steel parts. Openings in the elements mentioned that are used for fastening are expediently made by punching or by another hole-cutting process before the bending process.
  • the support posts are expediently designed in one piece, like the base elements and the module holding elements. They are made in particular of galvanized steel.
  • the individual base elements are aligned independently of one another with respect to the support posts equipped with them and if the module holding elements are aligned uniformly with respect to the base elements of all assigned module holders by changing the position of the module assembly unit.
  • the module assembly unit for attachment to the base elements already attached to the support posts is hung with all of its module holding elements into the base elements, in particular at the same time in a uniform hanging process. .
  • Figure 1 shows a solar system of preferred construction, designed using a carrying device according to the invention and having several solar modules, in a ready-to-use operating state erected as intended on a surface in the open air, in a front view with a view of forward-facing module surfaces of the individual solar modules, with the surface illustrated in section and the peripheral equipment required for operation, in particular of an electrical nature, is not shown,
  • Figure 2 shows the arrangement from Figure 1 in a rear view
  • Figure 4 shows the section framed by dash-dotted lines in Figure 2
  • FIG. 5 shows a horizontal longitudinal section of the arrangement from FIGS. 1 and 2 according to the section line VV there, looking from vertically above, 6 shows the section VI framed by dash-dotted lines in FIG. 5 in an enlarged view,
  • FIG. 7 shows an individual representation of one of the support posts used in multiple numbers in the arrangement according to FIGS.
  • FIG. 8 in a section according to the section plane VI I -VI I from Figure 6, the section VI I I framed in dash-dotted lines in Figure 7 at the upper end region of the support post in an enlarged view and with arrow illustrations to illustrate the adjustment options of the base element with respect to the support post, the figure This also applies accordingly to the module holder indicated in the lower area of FIG. 7,
  • Figure 9 is an isometric representation of a preferred embodiment of a module holding element
  • FIG. 10 shows a module assembly unit produced within the scope of the method according to the invention from a solar module and several module holding elements mounted thereon, the attachment of which is indicated by arrows on support sections which are only indicated schematically by dash-dotted lines.
  • the drawing shows a solar system 1, also of a preferred structure, constructed by means of a carrying device 2 according to the invention, which has several plate-shaped solar modules 3, each of which is held in a position of use referred to as the module use position by means of the carrying device 2.
  • Illustrated is a typical ready-to-use operating state of the carrying device 2 and the associated solar system 1, to which the following explanations refer, unless different information is provided in individual cases.
  • the solar modules 3 are plate-shaped and in particular have a rectangular outline.
  • the solar modules 3 are photovoltaic modules.
  • Each solar module 3 has two opposing large-area, at least essentially flat first and second module surfaces 4a, 4b.
  • both module surfaces 4a, 4b are photoelectrically active and equipped with solar cells that generate electrical current when exposed to sunlight. These are, in particular, so-called bifacial photovoltaic modules. Deviating from this, however, the solar modules could also only be one-sided, i.e. H . be photoelectrically active on one of its two module surfaces 4a, 4b.
  • Each solar module 3 has a module frame 6, in particular made of metal, that runs all around the edge.
  • the module element 7 is attached to the module frame 6 in a manner not shown.
  • the module frame 6 is preferably U-shaped and delimits a frame interior 8, which is open inwards towards the frame window and therefore towards the module element 7. Due to the relatively small thickness of the module element 7, the frame interior 8 is easily accessible from the frame window.
  • Each of the several solar modules 3 is aligned in its preferred module use position, which can be seen from the drawing, in such a way that the two flat module surfaces 4a, 4b each extend vertically.
  • the normal vectors of the flat module surfaces 4a, 4b are aligned horizontally in the preferred module use position.
  • this orientation is referred to below as the vertical module orientation.
  • the carrying device 2 has several support posts 11, which are expediently designed to be identical to one another.
  • Each support post 11 has a preferably linear longitudinal extent along a longitudinal axis 12a, the axial direction of which defines a post longitudinal direction 12.
  • each support post 11 assumes a post use position as shown in the drawing, in which the longitudinal direction of the post 12 is at least substantially vertically aligned, with an exactly vertical alignment being aimed for.
  • the support posts 11 are stably fastened with a lower end section 10 to or in a subsoil 13 located in the open air.
  • the subsoil 13 is in particular the ground, preferably the ground of an agriculturally usable or used area.
  • the support posts 11 When they are installed in the post use position, the support posts 11 are expediently installed using a suitable th ramming device is rammed with its lower end section 10 into the subsoil 13 to a predetermined ramming depth. This type of installation inevitably entails slight tolerance-related deviations in the post alignment with respect to the vertical direction.
  • the support posts 11 are or are arranged one after the other at a distance from one another in such a way that a linear row of posts results. All support posts 11 are arranged at a distance from one another in a post row direction 14 which is orthogonal to the longitudinal direction 12 of the post and illustrated by a dash-dotted line, the distances between immediately successive support posts 11 expediently being the same size.
  • each support post 11 In cross section perpendicular to the longitudinal direction 12 of the post, each support post 11 extends in a post width direction 15 and in a post depth direction 16 orthogonal thereto. Both directions 15, 16 are illustrated in the drawing by dash-dotted lines.
  • Each support post 11 preferably has a U-shaped cross-sectional profile.
  • each support post 11 has two post legs 16a, 16b opposite each other in the post width direction 15 and a post crossbar 16c connecting the two post legs 16a, 16b at one end.
  • the support post 11 encloses a post interior 17, which is accessible from the outside through a slot-shaped post opening 16d, which is opposite the post crossbar 16c in the post depth direction 16 and extends in the longitudinal direction 12 of the post.
  • the post opening 16d is delimited by the end regions of the two post legs 16a, 16b opposite the post crossbar 16c, which are expediently are bent towards each other in order to achieve greater structural rigidity.
  • the support posts 11 are aligned in the post use position so that the post width direction 15 coincides with the post row direction 14, with the two post legs 16a, 16b each extending in a plane orthogonal to the post row direction 14.
  • the post crossbars 16c of all support posts 11 face horizontally a front side 18 of the carrying device 2, all post openings 16d face a rear side 19 of the carrying device 2.
  • support posts 11 arranged in immediate succession in the longitudinal direction 12 of the post each delimit a receiving area 22 for a solar module 3 arranged in the module use position.
  • the two support posts 11 which jointly delimit a receiving area 22 are each referred to as a pair of support posts 23.
  • the number of support post pairs 23 therefore corresponds to the number of receiving areas 22, in each of which at least one solar module 3 assuming its module use position is arranged.
  • Each solar module 3 arranged in a receiving area 22 is fastened to the two support posts 11 of the associated support post pair 23 by means of a holding device 24.
  • the support posts 11 arranged one after the other in the post row direction 14 together form a post row.
  • the carrying device 2 defines two end-side receiving areas 22, each of which is delimited by an end post 11a and the intermediate post 11b adjacent to it, and also any number of receiving areas 22 placed therebetween, each of which is delimited by two adjacent intermediate posts 11b . Only one solar module 3 is attached to each of the two end posts 11a, while two solar modules 3, which are arranged in adjacent receiving areas 22, are attached to the intermediate posts 11b.
  • the holding devices 24 assigned to the individual solar modules 3 are identical to one another. The following description of a holding device 24 therefore applies to all holding devices 24.
  • the holding device 24 has several separately designed module holders 25.
  • the solar module 3 is attached to each of the two support posts 11 flanking it via at least one module holder 25.
  • the holding device 24 contains a total of four module holders 25, the solar module 3 being fastened to each of the two adjacent support posts 11 via two module holders 25 arranged at a distance from one another in the post longitudinal direction 12.
  • the number of module holders 25 connecting a solar module 3 to each of the adjacent support posts 11 is based in particular on the size of the module area of the solar module 3. In principle, only a single module holder 25 can be present per support post 11, just as more than two module holders 25 can be present for connection to each support post 11, especially in the case of particularly long solar modules 3.
  • Each module holder 25 effects a point attachment of the solar module 3 to a support post 11.
  • a point attachment of the solar module 3 to a support post 11.
  • the attachment points defined by the module holders 25 lie in particular in the corner points of a rectangle.
  • the module holders 25 assigned to the two support posts 11 of the support post pair 23 are arranged in pairs at the same height with respect to the longitudinal direction 12 of the posts.
  • the module holders 25 assigned to one and the same solar module 3 are preferably designed to be identical to one another. However, it is expedient to have a mirror-image configuration, in particular mirror-symmetrical with respect to a plane of symmetry 26, which extends between the two support posts 11 belonging to the same pair of support posts 23 orthogonally to the post row direction 14. This is the case in the illustrated exemplary embodiment.
  • Each solar module 3 has two mutually opposite lateral edge sections 29a, 29b, each facing one of the two support posts 11 supporting it and oriented in the post row direction 14.
  • An elongated air gap 32 extends between each lateral edge section 29a, 29b and the adjacent support post 11.
  • the module holders 25 are each fastened on the one hand to one of the side edge sections 29a, 29b and on the other hand to the support post 11 adjacent to it, bridging the elongated air gap 32 between them.
  • Each module holder 25 has a multi-part structure, wherein it has a base element 27 and a module holding element 28 that is separate in this regard. These two elements 27, 28 are preferably the only components of the module holder 25, so that it is preferably constructed in two parts.
  • each module holder 25 is in an assembled usage configuration in which the base element 27 and the separate module holding element 28 are fastened to one another, while at the same time the base element 27 is attached to the associated support post 11 and the module holding element 28 is attached to the solar module 3 to be held.
  • each module holder 25 has a first fastening device used to fasten the base element 27 to the adjacent support post 11.
  • device 33 a second fastening device 34 used to fasten the module holding element 28 to the base element 27 and a third fastening device 35 used to fasten the module holding element 28 to the associated solar module 3.
  • All three fastening devices 33, 34, 35 are preferably of a detachable design, so that the components of the carrying device 2 that are fastened to one another can be separated from one another at any time.
  • the installation of the support posts 11 in the ground or other subsoil 13 is subject to tolerances, as is the manufacture of the individual components of the solar system 1.
  • the carrying device 2 offers the advantageous possibility of individually aligning each solar module 3 in the desired position of module use, regardless of the existing assembly and manufacturing tolerances. This is due to the fact that for all module holders 25 holding a module element 7, both the base element 27 is adjustable relative to the support post 11 assigned to it and the module holding element 28 is adjustable relative to the base element 27 assigned to it.
  • the relative position set between a base element 27 and a support post 11 can be immovably fixed by the assigned first fastening device 33.
  • the relative position set between the module holding element 28 and the base element 27 can be immovably fixed by the assigned second fastening device 34.
  • the set relative position being fixable here by the assigned third fastening device 35.
  • each base element 27 to be adjusted with respect to the associated support post 11 in an adjustment plane 36 that is orthogonal to the post width direction 15 and thus also to the post row direction 14.
  • the adjustment plane 36 extends parallel to the drawing plane.
  • adjustment movements 37 of the base element 27 are illustrated by double arrows.
  • These adjustment movements 37 preferably contain a vertical adjustment movement 37a that can be carried out to set a vertical position, a horizontal adjustment movement 37b that can be carried out to set a horizontal position, and a pivoting adjustment movement 37c that can be carried out to adjust the inclination.
  • the adjustment movements 37, 37a, 37b, 37c can also be carried out in a superimposed manner during assembly.
  • the adjustment options available for each module holder 25 expediently also include adjustability of the module holding element 28 relative to the associated base element 27 in the post row direction 14.
  • a linear adjustment movement 38 of the module holder that can be carried out in this case - teelements 28 is identified by a double arrow and is oriented in the post width direction 15 with respect to the associated support post 11.
  • Each base element 27 expediently has a support section 42, which defines a flat support surface 43, which points vertically upwards when the base element 27 is mounted on the support post 11 and on which the associated module holding element 28 is supported from above with a support section 44 lies on.
  • the interaction between the support surface 43 and the support section 44 results in a linear guide for the module holding element 28.
  • the module holding element 28 with its support section 44 can be moved horizontally along the flat support surface 43.
  • the module holding element 28 can also be referred to in particular as a slide.
  • each module holding element 28 can be pivoted in relation to the solar module 3 arranged on it in a pivoting plane 45 parallel to the module plane 5 as part of a rotary adjustment movement 39 indicated by a double arrow.
  • the pivot axis 46 for the rotary adjustment movement 39 which can also be referred to as a pivoting movement, runs orthogonally to the module plane 5.
  • Each module holding element 28 has a longitudinal shape with a longitudinal axis 47 indicated by dash-dotted lines and is ideally aligned in the ready-to-use operating state of the solar system 1 in such a way that the longitudinal axis 47 extends in the post row direction 14.
  • the support section 44 protrudes laterally from the solar module 3 in the post row direction 14 and protrudes towards the adjacent support post 11. In the The desired angular alignment can be easily adjusted using the rotary adjustment movement 39.
  • each support post 11 has two mounting surfaces 48, each formed by the outer surface of one of the post legs 16a, 16b. Mutually facing mounting surfaces 48 of two adjacent support posts 11 delimit one of the receiving areas 22.
  • Each module holder 25 attached to a solar module 3 rests on the associated mounting surface 48 with a counter-mounting surface 49 formed on its base element 27.
  • the first fastening device 33 contains several elongated holes, designated as elongated post holes 52 for better differentiation, which pass through the post leg 16a, 16b assigned to the module holder 25.
  • Each elongated post hole 52 opens out onto one of the mounting surfaces 48 on the one hand and into the post interior 17 on the other hand.
  • the longitudinal direction of the long post holes 52 runs in the post depth direction 16 and thus at least essentially horizontally orthogonal to the post row direction 14 when the solar system 1 is installed.
  • each post leg 16a, 16b is composed of more than two mutually parallel elongated post holes 52, which are in the longitudinal direction of the post 12 are distributed equidistantly.
  • each elongated hole field 53 contains a total of sixteen elongated post holes 52.
  • each post leg 16a, 16b is provided with two elongated hole fields 53, the distance between which is greater than the hole spacing between the elongated post holes 52 within a j respective slot field 53.
  • Each first fastening device 33 also contains two elongated holes, referred to as base elongated holes 54 for better differentiation, which are formed in each base element 27.
  • Each base element 27 has a vertical axis 55, which has an at least essentially vertical extension when the module holder 25 is mounted and, depending on the inclination setting of the base element 27, runs parallel to the longitudinal direction of the post 12 or is slightly inclined in this regard.
  • the two base elongated holes 54 are spaced apart from one another in the axial direction of the vertical axis 55, with their longitudinal axes running parallel to the vertical axis 55 and in particular coinciding. When the base element 27 is mounted on the support post 11, the base elongated holes 54 extend in the longitudinal direction 12 of the post.
  • Each base element 27 expediently has a flat base section 56, which has the counter-mounting surface 49 and which is penetrated by the two base elongated holes 54.
  • Each base element 27 is positioned on the associated post leg 16a, 16b in such a way that each base elongated hole 54 is arranged in a configuration that crosses one of the post elongated holes 52 and is therefore referred to as a cross configuration. There are therefore two such cross-over configurations per base element 27, each consisting of an elongated base hole 54 and a post slot 52 in front. This can be seen here in particular in Figure 8.
  • Each first fastening device 33 has two clamping units 57, each of which passes through one of the pairs of holes arranged in a cross configuration, consisting of an elongated base hole 54 and an elongated post hole 52. These two clamping units 57 of the first fastening device 33 are also referred to below as first clamping units 57 for better differentiation.
  • Both first clamping units 57 can be placed in a tensioned state of use by clamping the base section 56 of the base element 27 with the adjacent post leg 16a, 16b and in this way immovably clamping the base element 27 to the associated support post 11.
  • the first two tensioning units 57 are in the tensioned use state.
  • the first clamping units 57 can be temporarily placed in an unstressed state of use, so that the base element 27 is held on the associated support post 11, but the adjustment movements 37 can be carried out in this regard.
  • the expediently present plurality of post elongated holes 52 offers the advantageous possibility of arranging the base elongated holes 54 of the associated base element 27 with different pairs of post elongated holes 52 in a cross configuration in order to alternatively arrange the base element 27 at different height levels on the support post 11 to assemble. This increases the variability when setting the mounting height of the solar modules 3 above the ground 13.
  • the existing large number of elongated post holes 52 does not necessarily have to be divided into several elongated hole fields 53.
  • all of the elongated post holes 52 arranged on one and the same mounting surface 48 can be at the same distance from one another in the longitudinal post direction 12, so that there is virtually only a single elongated hole field 53, with the two base elements 27 collaborating with different elongated post holes 52 of the single elongated hole field 53 Support posts 11 are attached.
  • the mounting surface 61 of the solar module 3 is preferably located on the module frame 6.
  • the counter-mounting surface 62 of the module holding element 28 is preferably formed on a base section 58 of the module holding element 28, from which the support section 54 protrudes freely transversely in the manner of an arm.
  • the third fastening device 35 contains a fastening hole which passes through the solar module 3 and is therefore referred to as a solar module fastening hole 63 and furthermore a fastening hole which is aligned therewith and which passes through the base section 58 of the module holding element 28 and is therefore referred to as a holding element fastening hole 64.
  • the solar module mounting hole 63 runs orthogonally to the two flat module surfaces 4a, 4b and is preferably formed in the module frame 6.
  • the solar module fastening hole 63 passes through a first U-leg 65 of the two U-legs of the U-shaped profiled module frame 6 as mentioned above, with this first - te U-leg 65 also has the mounting surface 61 of the solar module 3.
  • the third fastening device 35 has a further clamping unit 66, referred to for better differentiation as the third clamping unit 66, which passes through the two aligned fastening holes 63, 64 and, in a clamped state of use, clamps the solar module 3 and the module holding element 28 together in a manner that is immovable relative to one another.
  • the module holding element 28 is in particular aligned so that its longitudinal axis 47 runs in the post row direction 14 and the support section 44 projects away from the solar module 3 in the same direction.
  • the third clamping unit 66 can be placed in an unstressed state of use in which it holds the module holding element 28 on the solar module 3, but in this regard enables the above-mentioned rotary adjustment movement 39 of the module holding element 28.
  • the pivot axis 46 runs coaxially to the longitudinal axes of the aligned fastening holes 63, 64, each of which is preferably a circular hole.
  • the second fastening device 34 designed for the mutual fastening of a module holding element 28 and a base element 27 contains a fastening hole formed in the base element 27 and referred to as a base fastening hole 67 for better differentiation and an elongated hole 68 formed in the module holding element 28, which is referred to as a holding element elongated hole 68 becomes .
  • the base fastening hole 67 is expediently designed as a circular hole.
  • the base element 27 has a support section 71 which adjoins the base section 56, in particular in one piece. This support section 71 has a mounting surface 72 and is penetrated by the base fastening hole 67 which opens into the mounting surface 72.
  • the mounting surface 72 of the support section 71 runs orthogonally to the counter-mounting surface 49 formed on the base section 56 and in particular faces the back 19 of the support device 2, which also applies to the mounting surface 61 of the solar module 3.
  • the mounting surface 72 of the support section 71 is in particular aligned orthogonally to the post depth direction 16.
  • the support section 71 has the shape of a triangular hollow profile with three profile side walls arranged at an angle to one another in accordance with a right-angled triangle, with the base fastening hole 67 only passing through a first profile side wall 69a of these three profile side walls.
  • the outer surface of the first profile side wall 69a forms the mounting surface 72 of the support section 71.
  • the support section 71 of the base element 27 mounted on the support post 11 expediently projects in the post depth direction 16 above the associated support post 11, for example in the area of the back 19.
  • the holding element elongated hole 68 is expediently located in the support section 44 of the module holding element 28, its longitudinal direction running in the axial direction of the longitudinal axis 47 of the module holding element 28.
  • the holding element elongated hole 68 is preferably located in the cross-sectional center on the longitudinal axis 47 of the module holding element 28.
  • a counter-mounting surface 73 is expediently formed on the support section 44, with which the module holding element 28 rests against the mounting surface 72 of the support section 71 when it is attached to the base element 27.
  • the holding element elongated hole 68 is open towards the counter-mounting surface 73 and extends in alignment over the base fastening hole 67.
  • the second fastening device 34 has a further clamping unit 74, referred to as the second clamping unit 74, which jointly passes through the holding element elongated hole 68 and the base fastening hole 67 aligned with it.
  • the second clamping unit 74 can assume a tensioned state of use in which it clamps the support section 71 with the support section 74 and thereby fixes the module holding element 28 and the base element 27 immovably relative to one another.
  • the second clamping unit 74 can be brought into an unclamped state of use by appropriate actuation, in which it continues to hold the module holding element 28 and the base element 27 together, but at the same time enables the linear adjustment movement 38 between the aforementioned components.
  • a second profile side wall 69 of the support section 71 which is opposite the first profile side wall 69a, has an opening 70 through which the second clamping unit passes
  • the support section 44 of the module holding element 28 is preferably U-shaped and has two through a web section
  • the counter-mounting surface 73 is located on the back of the web section 75 facing away from the two U-legs.
  • One of the two U-legs forms a support leg 76, which is separated from the other U-leg outer surface facing away from the support surface 43 of the base element 27 can lie or rests.
  • the support section 42 is in particular integrally formed on the support section 71.
  • it is profiled in such a way that it delimits a support channel 77 which is vertically open at the top and whose inner surface of the channel forms the support surface 43.
  • the support section 42 has a U-shaped profile with a U-opening pointing vertically upwards.
  • the support channel 77 results, among other things, from the fact that the support section 42 has an upwardly pointing leg section 78 which is located in front of the support section 71 in the post depth direction 16.
  • the base section 58 of the module holding element 28 is expediently designed with a rectangular cross section as a closed hollow profile.
  • the holding element fastening hole 64 is composed of two mutually spaced and aligned holes which are formed in two opposing wall sections of the base section 58.
  • the longitudinal axis 47 of the module holding element 28 expediently extends past the back of the support post 11 at a distance.
  • the solar modules 3, on the other hand, preferably lie in one plane with the support posts 11. The resulting transverse offset is bridged by the base section 58, whose hollow profile ensures high rigidity.
  • Both the base element 27 and the module holding element 28 are made of metal and are preferably designed inexpensively as bent parts. For example, it can be stamped and bent parts in which the individual openings were introduced by punching before or during bending. However, other ways of producing the openings are also possible.
  • the module holding element 28 lying with the support section 44 on the support surface 43 comes to lie within the support channel 77, being flanked at the front by the support section 71 and at the rear by the towering leg section 78 of the support section 42. In this way, the module holding element 28 is positively supported by the base element 27 in the horizontal direction orthogonal to the post row direction 14 when the second clamping unit 74 is not yet attached.
  • All clamping units 57, 74, 66 are expediently each designed as a clamping screw unit 82.
  • Each clamping screw unit 82 contains a clamping screw 83 with a screw head 84 and threaded shaft t 85 as well as a clamping nut 86 that can be screwed or screwed onto the threaded shaft t 85.
  • Each matching pair of post elongated holes 52 and base elongated holes 74, of base fastening holes 67 and holding element elongated holes 68 and of solar module fasteners - supply holes 63 and holding element fastening holes 64 are penetrated by the threaded shaft t 85 of a clamping screw 83, the two components to be clamped together being acted upon on the one hand by the screw head 84 and on the other hand by the clamping nut 86. If necessary, washers can be placed on one and/or both sides.
  • orientation points are established on the open-air site intended for the construction of the solar system 1, at which the necessary support posts 11 are to be installed in order to set up one or more rows of solar modules.
  • a plurality of support posts 11 are then installed based on the established orientation points, so that at least one support post row with support posts 11 spaced apart from one another in the post row direction 14 results.
  • the support posts 11 are fixed in a suitable manner on or in the ground 13, preferably by driving them into the ground using a suitable pile driving device.
  • the ramming takes place up to a predetermined ramming depth, so that all support posts 11 protrude vertically upwards above the ground 13 at least with essentially the same length.
  • the support posts 11 are installed with the same rotation angle position, so that, for example, The post crossbars 16c point towards the front 18 and the post openings 16d point towards the back 19.
  • the support posts 11 are erected in a vertical orientation with the same projection relative to the ground 13, whereby, as mentioned, certain tolerances in the ramming depth and the post inclination cannot be avoided.
  • Support posts 11 adjacent in the post row direction 14 each form a pair of support posts 23, which delimits a receiving area 22 for a solar module 3 to be mounted in a module use position.
  • the base elements 27 of the module holders 25 are mounted in the desired height position on the support posts 11 in a separate state from the respective module holding element 28.
  • the assigned first fastening device 33 with its first clamping units 57 is used for each base element 27.
  • the first clamping units 57 are first mounted in a still unclamped state of use, whereupon the desired orientation of the individual base elements 27 is set using suitable measuring devices and then the first clamping units 57 are brought into their clamped state of use by renewed actuation.
  • the clamping screws are tightened using a suitable screwing device with a previously defined torque.
  • the module holding elements 28 are fastened to the solar modules 3 in a state that is still separated from the respective associated base element 27. This happens, for example, at the solar module fastening holes 63, of which each solar module 3 has at least a number corresponding to the number of module holders 25.
  • the solar module fastening holes 63 are located, for example, in the module frame 6, but in the case of frameless solar modules 3, they can also be provided elsewhere on the solar module 3.
  • the module holding elements 28 are each attached to the solar module 3 using a third fastening device 35.
  • a rotary alignment is preferably carried out by carrying out the rotary adjustment movement 39 in a not yet tightened state of the third tensioning unit 66, which is only put into the tensioned use state when the desired alignment has been set. Special alignment measures may be unnecessary if the fastening interfaces of the solar modules 3 and the module holding elements 28, which are equipped with the solar module fastening holes 63 and the holding element fastening holes 64, are designed in such a way that the two components are only in a very specific target orientation with their mounting surface 61 and counter- Mounting surface 62 can be attached to one another.
  • module assembly unit 87 which combines the solar module 3 and the module holding elements 28 fixed thereon.
  • the support sections 44 of the module holding elements 28 protrude from the opposite side edge sections 29a, 29b of the solar module 3 parallel to the module plane 5 in opposite directions.
  • the pre-assembled module assembly unit 87 with its module holding elements 28 is attached to the base elements 27 pre-assembled on the support posts 11 using a second fastening device 34, which is indicated by arrows 88 in FIG.
  • the solar module 3 can be aligned with respect to the associated support post pair 23 in the longitudinal post direction 12, in particular in the center of the distance, by moving the module assembly unit 87 in the post row direction 14 relative to the base elements 27.
  • the module holding elements 28 carry out their linear adjustment movement 38 uniformly. Once the desired placement has been set, the module holding element 28 is immovably fixed to the base element 27 by tightening the second clamping unit 74 for each module holder 25.
  • the relative position of one or more base elements 27 assumed with respect to the associated support post 11 can be readjusted in individual cases.
  • the first clamping units 57 are loosened slightly and tightened again after the alignment has been corrected.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'invention propose un dispositif de support (2) pour un système solaire (1) qui présente une pluralité de montants de support (11) qui délimitent deux à deux une zone de réception (22) pour un module solaire (3). Le module solaire (3) est fixé à chacun des deux montants de support (11) au moyen d'au moins un porte-module (25) qui a un élément de base, qui est attaché au montant de support (11), et d'un élément de maintien de module, qui est attaché au module solaire (3). Afin de pouvoir définir une position d'utilisation de module du module solaire (3), l'élément de base peut être réglé par rapport au montant de support (11) et l'élément de maintien de module peut également être réglé par rapport à l'élément de base pour chaque porte-module (25).
EP22769683.8A 2022-08-29 2022-08-29 Dispositif de support pour un système solaire et procédé de montage d'un système solaire Pending EP4434154A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2022/073962 WO2024046541A1 (fr) 2022-08-29 2022-08-29 Dispositif de support pour un système solaire et procédé de montage d'un système solaire

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EP4434154A1 true EP4434154A1 (fr) 2024-09-25

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Application Number Title Priority Date Filing Date
EP22769683.8A Pending EP4434154A1 (fr) 2022-08-29 2022-08-29 Dispositif de support pour un système solaire et procédé de montage d'un système solaire

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WO (1) WO2024046541A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009016353U1 (de) 2009-12-03 2010-03-04 C.W.F. Gmbh Traganordnung für eine Solaranlage
DE102016015436A1 (de) * 2016-12-23 2018-06-28 Next2Sungmbh Photovoltaik-Anlage und zugehörige Verwendung
DE202020104397U1 (de) * 2020-07-30 2021-11-03 Rudolf Hörmann GmbH & Co.KG Photovoltaikanlage

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WO2024046541A1 (fr) 2024-03-07

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