EP2920525A1 - Système de stabilisation - Google Patents

Système de stabilisation

Info

Publication number
EP2920525A1
EP2920525A1 EP13789583.5A EP13789583A EP2920525A1 EP 2920525 A1 EP2920525 A1 EP 2920525A1 EP 13789583 A EP13789583 A EP 13789583A EP 2920525 A1 EP2920525 A1 EP 2920525A1
Authority
EP
European Patent Office
Prior art keywords
arrangement
base
tension
stabilization system
distance
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Withdrawn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
EP13789583.5A
Other languages
German (de)
English (en)
Inventor
Eduard Eckl
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
Application filed by Ideematec Deutschland GmbH filed Critical Ideematec Deutschland GmbH
Publication of EP2920525A1 publication Critical patent/EP2920525A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/50—Arrangement of stationary mountings or supports for solar heat collector modules comprising elongate non-rigid elements, e.g. straps, wires or ropes
    • 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
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/001—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for conveying reciprocating or limited rotary motion
    • F16H19/003—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for conveying reciprocating or limited rotary motion comprising a flexible member
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • 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
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
    • F24S30/425—Horizontal axis
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/133—Transmissions in the form of flexible elements, e.g. belts, chains, ropes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/136—Transmissions for moving several solar collectors by common transmission elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for tracking
    • 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
    • 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
    • H02S20/10—Supporting structures directly fixed to the ground
    • 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
    • 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
    • H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators

Definitions

  • the present invention relates to a stabilization system, in particular for a tracking device for solar modules, as well as a tracking device for solar modules.
  • large-area structures for example plate-shaped structures with side lengths of several meters
  • they can be provided with supports, supports, struts or the like, which would increase the stability of the arrangement but would also increase their weight and thus reduce the mobility.
  • Such structures can not be built so rigid that it is entirely possible to dispense with the attachment of struts etc.
  • a plurality of solar modules on an assembly level consisting of z. B. from cross members, longitudinal beams, etc.
  • the solar modules 0 of the sun are arranged to be trackable or pivotable about the longitudinal axis or an axis of rotation. Due to the large dimensions of such systems and the wind loads occurring the material and construction costs for such systems is extremely high. Thus, it may be extremely problematic for the operational stability, if the assembly plane with the solar modules winds in wind gusts or the like. In addition, strong drive motors are necessary to pivot the solar modules.
  • the stabilization system for stabilizing an arrangement for pivoting an elongated arrangement plane extending along a longitudinal axis comprises a rotation axis oriented along the longitudinal axis, in particular for a tracking device for solar modules, at least one tension element, in particular a cable arrangement, a compensation arrangement and at least two base arrangements, wherein a first base assembly comprises a diverter element spaced from the axis of rotation to a side spaced at the assembly plane, a second base assembly comprising a diverter element spaced from the axis of rotation to another side at the assembly plane, and wherein the first and the at least one second base arrangement are offset from one another along the longitudinal axis, wherein in the base arrangements the tension element is guided by the deflection element in each case to a fixed point and back at a first distance, and wherein the tension member between the base assemblies along the longitudinal axis is guided, whereby a voltage in the base assembly can be constructed so that at least two base assemblies are connected by the tension member such that upon pivoting of
  • the assembly plane is thus stabilized by one or more tension elements, in particular cables, which attach at different points along the assembly plane and connect them with at least one non-pivotable fixed point.
  • tension elements in particular cables
  • the plane of arrangement e.g. stabilized against twisting about the longitudinal axis during pivoting or gusts of wind.
  • the compensation arrangement serves to compensate for the changes in length of the tension element (s) occurring during pivoting in order to always maintain the tension on the tension element (s) at least essentially constant, independently of the pivot position.
  • the tension element or the further tension elements are preferably formed by chains, ropes, in particular wire ropes, wires or other tensioning elements.
  • the deflecting elements which are each assigned to a basic arrangement, are preferably spaced as far as possible from the axis of rotation, for example by about 50-80 cm, with a width of the transverse yoke of about 100-180 cm, attached to the pivotable arrangement plane, expediently on its underside ,
  • the tension element can be guided by the deflecting element in each case to a fixed point, which is firmly connected to the ground.
  • the fixed point may for example lie on a post which supports the arrangement plane.
  • the arrangement plane preferably comprises a plurality of transverse beams or transverse yokes which are offset at intervals from one another along the longitudinal axis and arranged transversely to the latter.
  • each transverse yoke is mounted on a post via a pivot point or a bearing.
  • the transverse yokes are preferably still connected by longitudinal members, which along the longitudinal axis, for example on both sides of Run axis of rotation and thus span the plane of the arrangement.
  • the deflection elements are respectively arranged on the transverse yokes, so that each base assembly is associated with a cross member, and optionally the associated post. It can be arranged on a transverse yoke and several base arrangements.
  • the invention is not limited to this embodiment of the arrangement plane with transverse yokes.
  • the first base order is arranged on a first transverse yoke, whose deflecting element is spaced from the axis of rotation to one side.
  • One or more transverse yokes further offset along the longitudinal axis, the second base assembly is arranged, wherein the deflection element is fixed to the other side from the rotation axis at the arrangement level.
  • the arrangement plane is thus stabilized diagonally.
  • preferred stabilization systems additionally contain at least two further base arrangements, the deflection elements of which are each arranged mirror-inverted relative to the first and second base arrangements in order to stabilize the other diagonal as well.
  • the first and the second base arrangement each comprise a deflection element and a fixed point.
  • the first basic arrangement is associated with the equalization arrangement, while this is not the second basic arrangement.
  • "assigned" means that the tension element, which is guided by the deflection element to the fixed point of the first base arrangement, is not immediately guided back to the deflection element, but is first forwarded to the compensation element, before being guided back to the deflection element via the fixed point of the first base arrangement is.
  • the tension element is expediently guided to a deflection roller, which is preferably guided in the region of the axis of rotation of the first post.
  • the deflection roller fulfills the purpose of guiding the tension element along the longitudinal direction to the second transverse yoke, to which also a deflection roller is fastened approximately in the middle. From there it will Pulling element guided in the direction of the deflecting element of the second base assembly. From the deflection element of the second base arrangement, it goes to the fixed point of the second base arrangement and from there back to the deflection element of the second base arrangement, to which the tension element is finally fastened.
  • the first distances are measured between the deflecting elements and the fixed points. Of course, the first distances may have different lengths despite their same name.
  • the first distances are about the same size when the arrangement level is approximately horizontal or perpendicular to the post.
  • This position is also called center position in the following.
  • the distances or radii of the deflecting elements of the various base arrangements are the same or at least approximately the same from the axis of rotation.
  • the fixed points on the posts are advantageously arranged the same way that the first distances are approximately equal when the assembly plane is horizontal or vertical, ie in the center position, to the posts.
  • the arrangement plane is pivoted so that the first distance of the first base arrangement is shortened, the first distance of the second base arrangement is extended.
  • the tension member in the region of the first distance of the second base assembly is biased by this extension tends to train, while the tension member is relieved in the first distance of the first base assembly, so tends to lose the voltage.
  • the tension in the tension element is necessary in order to stabilize the arrangement plane.
  • the tension element can slide over the deflecting elements and the deflection rollers. Ie. when, so to speak, the deflecting element of the second base arrangement moves upwards and so the first distance of the second base assembly is extended, the necessary "rope length" konnn from the direction of the shortening base assembly. However, the extension and the shortening of the tension element are not exactly the same.
  • the compensation arrangement is provided.
  • the compensation element is non-rotatably arranged on the assembly plane at a second distance to the fixed point.
  • its position is chosen so that in the middle position of the arrangement plane, the second distance is minimal.
  • An imaginary between the fixed point and the compensating element line is preferably perpendicular to the plane of the arrangement in the center position.
  • the compensation element is advantageously rotationally fixed spaced in a radius.
  • the above-mentioned length difference can be compensated, which arises in a pivoting of the assembly plane in that the extension of the first distance of the second base assembly is not the same size as the shortening of the first distance of the first base assembly (or vice versa).
  • the distance of the compensating element from the axis of rotation or the radius is designed such that the extension of the second distance fails so that the length difference and thus the loss of tension in the tension element when pivoting the assembly plane is completely compensated.
  • a first base arrangement is arranged on the other side of the first transverse yoke. This can advantageously use the already arranged on the post fixed point and arranged on the first transverse yoke compensation arrangement.
  • a second base arrangement can be arranged, which can use the already existing fixed point on the second post.
  • the two last-mentioned basic arrangements are connected via a (new) tension element.
  • the assembly plane is advantageously stabilized at least at four points, two on each side of the axis of rotation.
  • a multiplicity of second base arrangements are arranged on both sides of the longitudinal axis and along this, in order to stabilize the arrangement plane at as many points as possible.
  • the tension element can be guided in both directions of the longitudinal axis to possible further second base arrangements.
  • a first cooperates with a plurality of further second base arrangements in that a distributor element is arranged on the tension element which is connected to the first base arrangement, to which a plurality of further tension elements are fastened which each lead to a further base arrangement along the longitudinal axis spaced apart from each other. It is also possible to use a plurality of first basic arrangements for an arrangement level.
  • the arrangement plane has a substantially flat or plate-shaped structure.
  • the term "arrangement level" is not going to interpret that it is a completely flat or even surface. Also conceivable are wavy or angular structures or the like. The decisive factor is that the assembly plane requires a large surface in relation to its height.
  • the deflecting element, the compensating element and / or the fixed point each comprise one or more deflection rollers with at least one guide groove.
  • Each deflection roller preferably has only one guide groove.
  • two different base arrangements can contain the same fixed point or the compensation element can be connected to a plurality of tension elements.
  • deflecting element, compensating element and fixed point preferably each comprise as many deflecting rollers as necessary in order to repeatedly deflect the tension element against them.
  • a preferred diameter of the pulleys for the compensating element is about 5 to 7 cm.
  • the fixed point preferably contains 4 deflection rollers, the deflection elements each one or two.
  • deflecting element, compensating element and / or the fixed point can also each comprise a deflection roller with a plurality of guide grooves.
  • the deflecting element is designed both for deflecting the tension element and as the starting and / or end point of the tension element.
  • the tension element preferably begins at the deflecting element of the first base arrangement and is guided from there via the fixed point to the compensating element, from where it is conducted back to the fixed point and to the deflecting element of the first basic arrangement, from there to the second base arrangement to become.
  • the deflection element thus fulfills the function of diverting the tension element in the direction of the axis of rotation of the arrangement plane.
  • the deflecting element additionally serves as the starting or end point of a tension element.
  • the tension element can at the end comprise a loop which is laid around the deflection element such that no deflection takes place.
  • the tension element can also be separately z. B. be attached to the assembly plane or on the transverse yoke, for example via a screw and / or clamp connection. The starting and ending point of the access may not be directly related to each other.
  • the compensation element is arranged approximately at right angles to the arrangement plane (or to the transverse yoke) at a third distance from the axis of rotation.
  • the strength of the stress compensation by the compensation arrangement on the distance or radius between the compensation element and the axis of rotation is variable. The longer the distance or the radius between the compensation element and the arrangement plane is selected, the greater the difference in length that can be compensated.
  • the distance of the compensating element from the axis of rotation about 15 to 35 cm, more preferably about 20 to 30 cm, most preferably about 24 to 26 cm.
  • a ratio of the distance of the deflecting element from the axis of rotation to the distance of the fixed point from the axis of rotation is about 0.6 to 1.4, more preferably about 0.7 to 1.3, most preferably about 0.8 until 12.
  • the differences in length are compensated by a plurality of base arrangements via a compensation arrangement.
  • a multiplicity of differences in length can be compensated by the compensation arrangement in that the multiplicity of differences in length can be transmitted to the tension element via the distributor element, which is connected to the compensation arrangement, in other words, the tension element of the first base assembly.
  • an entire assembly plane can be stabilized with only one compensation arrangement.
  • the transverse yokes are connected along the longitudinal axis via at least two longitudinal members. On the longitudinal members, in turn, module carrier rails are arranged in a preferred embodiment, which in turn serve the attachment of solar modules. In sum, the arrangement consisting of the solar modules, the module carrier rails, the longitudinal members and the transverse yokes can thus be regarded as the arrangement plane, which can be pivoted about the axis of rotation.
  • the solar modules can be arranged differently oriented. That is, it is irrelevant whether the generally rectangular solar modules are aligned with their longer side along the longitudinal axis or transversely thereto. Also, several solar modules, preferably for example two solar modules, can be arranged transversely to the longitudinal axis. For this purpose, the already mentioned module carrier rails are preferably used. Further preferably, the solar modules along the longitudinal axis are also arranged differently orientable or there are also different sized solar modules can be arranged. The above also applies to solar modules that are attached directly to the side rails, for example, via brackets or the like.
  • the transverse yokes are formed as a U-profile, wherein the side members are arranged on one of the flange sides, preferably on the upper flange.
  • the longitudinal members are preferably designed as square profiles, which are fastened to the flanges of the transverse yokes via suitable fastening elements, for example U-shaped brackets.
  • suitable fastening elements for example U-shaped brackets.
  • these are preferably made of side member parts, which are expediently connected to one another seamlessly via intermediate pieces.
  • the transverse yokes and the longitudinal members are preferably made of steel, in particular of galvanized steel.
  • the module carrier rails are preferably additionally arranged at approximately regular intervals, which are preferably designed to further stiffen the entire structure, that is to say the arrangement plane.
  • Preferred materials for the module carrier rails are aluminum or steel, in particular galvanized steel.
  • the module carrier rail may preferably be designed so that the standard mounting holes of the solar modules can be used.
  • the solar modules are preferably fastened to the module carrier rails via screws and / or riveted connections, the use of rivets representing an additional anti-theft device.
  • the transverse yokes are respectively indirectly and / or directly connected to a post via pivot points aligned along the axis of rotation.
  • the post is preferably metal profiles, particularly preferably double T-beams.
  • the preferred material here is steel, in particular galvanized steel.
  • the posts have a head part, via which the transverse yoke can be fastened to the post.
  • the head part is adjustably arranged along a vertical axis of the post, for example via corresponding oblong holes in the head part.
  • the connection to the posts preferably takes place via one or more screw connections.
  • the head part further preferably has the pivot point on which the transverse yoke can be arranged.
  • an adapter plate is arranged between the head part and the transverse yoke.
  • Form is the arrangement of the cross member to the post thus over the head part and the adapter plate, both of which are each preferably carried out in one piece.
  • the fulcrum is a bearing which allows rotational movement not only about the axis of rotation, but which also allows at least a limited mobility around the vertical axis (of the post).
  • the head part and the adapter plate are also preferably made of steel, in particular made of galvanized steel.
  • a row of posts is arranged along the longitudinal axis, with a main post being provided, which comprises a drive element which is designed to pivot the transverse yoke of the main post and, as a result, the assembly plane about the longitudinal axis.
  • the main post is designed in the same way as the other posts.
  • the main post instead of a head part, has at its upper end a support structure, which is also adjustable along a vertical axis of the main post, for example, via elongated holes, arranged on this.
  • the arrangement of the support structure as well as that of the head part preferably takes place at the web of the main pawl or of the post.
  • the support structure serves to arrange the drive element. From the drive element, the torque is transmitted to the transverse yoke of the main post, which is necessary to pivot the entire assembly plane around the axis of rotation.
  • the support structure is preferably made of steel, in particular made of galvanized steel.
  • the fixed points are fixed to the main post or the post, to which a base assembly is fixed.
  • the arrangement of the fixed point on the post or on the main post is preferably carried out at their webs, if they are designed as a double-T-carrier.
  • each post or each transverse yoke is connected to a tension element or other tension elements.
  • the tension element or the other tension elements can advantageously be continued easily.
  • the compensating assembly and two first base assemblies each arranged with a tension element, wherein the tension elements are guided via pulleys from the main post along the longitudinal axis and provided at their ends with the distributor element, so that the tension elements connectable via further tension elements with a plurality of second base assemblies are.
  • the number of further tension elements connected to the distributor elements corresponds to the number of second base arrangements which respectively lead to one and the other side of the longitudinal axis, the further tension elements connected to the distributor element being guided to the second base arrangements in such a way that their first distances are shortened are when the first distance of the respective tension element is extended at the main post and vice versa.
  • deflection rollers are provided for guiding the other tension elements to the base assemblies, which are designed both for a deflection of the tension elements transversely and in the direction of the longitudinal axis.
  • the structure of the stabilization system with pulleys and tension elements or other tension elements brings with it the advantage that the whole plant or the whole arrangement level aligns itself so to speak, since the forces occurring (weight forces as well as driving forces by the drive element) ideal along the longitudinal axis and transversely to be transmitted and distributed immediately.
  • the distributor element has an anti-twist device.
  • This has the advantage that the other tension elements do not twist or twist.
  • Wire cables with a diameter of about 2 to 8 mm are preferably used as tension elements or as further tension elements, particularly preferably with a diameter of about 4 to 5 mm.
  • Such wire ropes are made of strands produces, which approximately helically twisted form the actual wire rope. When stressed, this helical arrangement causes the wire rope to twist. In the arrangement of several wire ropes on the distributor element, the wire ropes would therefore twist into each other or tend to twist the distributor element (by applying a torsional moment).
  • the distributor element is preferably formed as a plate on which the tension element and the other tension elements along the longitudinal axis are arranged, wherein the plate comprises a guide hole through which an auxiliary rope is guided so that a rotation of the plate is prevented around the longitudinal axis, whereby the twist protection is provided.
  • the arrangement of the auxiliary cable or more auxiliary cables in the guide hole causes the distributor element or the plate when rotating the torque or the torsional moment by the other tension elements can not rotate. The torsional moment is absorbed, so to speak, by the auxiliary rope, which is guided through the guide hole.
  • the plate is supported, as it were, over the guide hole on the auxiliary rope.
  • the auxiliary cable can be stretched at more or less arbitrary points along the longitudinal axis.
  • the auxiliary rope is provided with at least one clamping element.
  • a plurality of anti-twist devices or distributor elements providing the anti-twist protection are also arranged on an auxiliary cable.
  • the rows are 30, 40, 50 m long and longer. It is understood that the rows need not all be the same length.
  • the drive element comprises a motor and a gear, in particular a worm gear, wherein the torque of the drive element via a transmission element to the movable member is transferable, wherein the compensation element is arranged on the transmission element.
  • the transmission element is preferably made as a flat plate made of sheet steel, particularly preferably made of galvanized sheet steel.
  • at least one deflection roller can be arranged on the transmission element.
  • two deflection rollers are arranged for forwarding the tension elements in the direction of the longitudinal axis.
  • the transverse yoke is preferably non-rotatably connected, for example via a welded connection.
  • the compensation element which is also preferably arranged on the transmission element.
  • the shape of the transmission element and the arrangement of the compensating element thus expediently form the compensating arrangement, since the compensating element, via the arrangement on the transmission element and its position relative to the axis of rotation, also realizes the spacing of the compensating element from the axis of rotation and its rotationally fixed arrangement, which is necessary for the functioning of the compensating arrangement are.
  • the arrangement of the cross member to the main post thus takes place via the transmission element, which is connected to the drive element, wherein the drive element is arranged on the support structure on the main post.
  • the worm gear preferably has a self-locking and allows a very accurate adjustment of the entire assembly level.
  • the use or the use of the stabilization system allows the use of small electric motors, compared with known from the prior art tracking devices for solar modules, since the tension elements or the other tension elements introduced via the drive element in the assembly plane forces along the longitudinal axis ( in both directions) and across it ideally forward.
  • the tension element, the further tension elements and / or the auxiliary rope comprise at least one tensioning element.
  • the stabilization system is preferably Tem by the clamping elements also readjustable or adaptable to different weather conditions.
  • the tension elements or the other tension elements can extend or shorten if they have been in operation for a certain time or if they are subject to strong temperature fluctuations. It is also conceivable to apply additional tension in the event of threatening strong wind conditions.
  • a tracking device for solar modules comprises a stabilization system according to the invention.
  • Figure 1 seen a preferred embodiment of a stabilization system in a sketch-like representation transverse to the longitudinal axis;
  • FIG. 2a shows a plan view of a preferred embodiment of an assembly plane with the focus on the course of a tension element, which is connected to other tension elements;
  • FIG. 2b shows a plan view of the preferred embodiment of the arrangement plane and the course of another tension element and other further tension elements connected thereto;
  • FIG. 3a is a schematic diagram of the operation of a preferred embodiment of a stabilization system; a schematic diagram illustrating the length ratios in the preferred embodiment of the Stabilmaschinessystenns; a further schematic drawing to illustrate the aspect ratios in the preferred embodiment of the stabilization system; a perspective view of a preferred embodiment of a main post; a perspective view of preferred embodiments of two first base assemblies a perspective top view of a preferred embodiment of a drive member; a preferred embodiment of a post with second base assemblies; a preferred embodiment of pulleys for deflecting tension elements or other tension elements; a preferred embodiment of a post without first or second base assemblies;
  • FIG. 10 shows a preferred embodiment of a distributor element
  • Figure 1 1 a sketchy representation of the operation of a Verdrill Klip.
  • FIG. 1 shows a preferred embodiment of a stabilization system in a viewing direction transverse to a longitudinal axis L. Shown is a post 90 anchored in the ground, at the upper end of which a transverse yoke 84 is connected via a pivot point 82 is pivotally mounted.
  • a first base assembly 60 is arranged at the cross yoke. This comprises a deflection element 62 which is arranged on the left outer edge of the arrangement plane E and thus on the left outer end of the transverse yoke 84.
  • the deflection element 62 here comprises two deflection rollers, each of which has a guide groove.
  • a first deflection roller forms the end point of a tension element 20 (in this case a rope), which forms a loop around the first deflection roller of the deflection element 82.
  • a tension element 20 in this case a rope
  • the rope 20 is guided to a fixed point 64, which is also formed by a plurality of pulleys, which are set relatively close to the ground on the post 90.
  • the cable 20 is further to a compensation assembly 40, in particular to a compensation element 41, out.
  • This in turn is designed as a deflection roller and is fixed to a below the pivot point 82 downwardly projecting boom on the transverse yoke 84 and thus on the assembly plane E.
  • the tension element 20 is guided back via a second roller of the fixed point 64 and from there back to the second roller of the deflection element 62, from where it is directed parallel to the transverse yoke 84 to a guide roller 28.
  • the cable 20 is further guided to a second base arrangement, not visible in FIG.
  • the second base arrangement has no compensating arrangement 40, but otherwise is constructed at least essentially mirror-inverted relative to the first basic arrangement, in particular the deflecting element 62 is fixed on the right-hand side of the transverse yoke 84.
  • FIG. 2 a shows a plan view of a preferred embodiment of an arrangement plane E with the focus on the course of a tension element 20 which is connected to further tension elements 20 '. Shown are seven juxtaposed transverse yokes 84, each rotatable on posts 90 (not visible) are stored, the z. B. are grounded in the ground.
  • the tension element 20 is guided via a deflection roller 28 in the direction of a longitudinal axis L or a rotation axis D to the right.
  • a distributor element 22 is arranged at the end of the tension element 20 .
  • Fig. 2a shows two transverse yokes 84, which are not connected to the tension element 20 or the other tension elements 20 '.
  • Fig. 2b shows the already known from Fig. 2a arrangement, mirrored about the longitudinal axis.
  • the figures 2a and 2b are actually superimposed and are darg Congress only for clarity.
  • the middle transverse yoke 84 thus has a second traction element 20, which, viewed in relation to the axis of rotation D, is arranged mirror-invertedly on the central transverse yoke 84.
  • the course of the further tension elements 20 'corresponds mutatis mutandis to that of Fig. 2a.
  • FIG. 3a shows a sketch of a stabilization system with a transverse yoke 84 or at an arrangement plane E, which is connected to a post 90 via a pivot point 82.
  • the arrangement plane E (or the transverse yoke 84) has a deflection element 62 in a radius R on both sides of the pivot point 82 or a rotation axis D. These typically belong to different (a first and a second) base arrangement and are thus usually arranged at different transverse yokes, but connected via one and optionally further tension elements.
  • a Fixed point 64 arranged at the post 90 .
  • the arrangement plane E comprises a compensation arrangement 40 with a compensation element 41.
  • the compensation element is non-rotatably arranged on the assembly plane E at a distance a starting from the pivot point 82.
  • the arrangement plane E is shown in two positions. First in a horizontal position (see center position) and further in a counterclockwise rotated position. In the middle position, a first distance 61 can be measured between each of the deflecting elements 62 and the fixed point 64. Between the compensating element 41 and the fixed point 64, a second distance 42 is measured. In the rotated position, a shortened first distance 61V is now measured between the deflecting element 62 and the fixed point 64 on the left-hand side of the axis of rotation D. On the right side of the axis of rotation D, an extended first distance 61 L is measurable.
  • the tension element is additionally guided over the compensating element 41, where the second distance 42L has extended during the pivoting.
  • the distance a should be designed in relation to the radius R in such a way that the tension necessary for the stabilization in the tension elements is maintained in each rotational position of the arrangement plane E.
  • FIG. 3b illustrates this relationship sketchily by the length of the first distance 61 in the center position and the shortened first distance 61V and the extended first distance 61 L are shown one above the other. It is clear that, starting from the first distance 61, the change in length which leads to the shortened first distance 61V does not correspond exactly to the change in length which leads to the extended first distance 61L. There remains a length difference AL, which causes the tension of the tension member 20 decreases. However, FIG. 3a also shows that the second distance 42 is extended during the rotation of the arrangement plane E to the extent of an extended second distance 42L. As shown schematically in FIG.
  • the length difference .DELTA. ⁇ _ can thereby be compensated, since expediently the extension of the second distance 42 corresponds to the length difference AL or corresponds as exactly as possible.
  • 4 shows a perspective view of a preferred embodiment of a main post 90 '.
  • a fixed point 64 is arranged in the middle to lower region of the main post 90 '.
  • tension elements 20 each lead to two deflection elements 62 at both ends of a transverse yoke 84 and to a compensation element 41.
  • the compensating element 41 is part of a compensating arrangement 40, which essentially results from the fact that the compensating element 41 rotates about an axis of rotation D by a distance a (not shown in FIG. 4).
  • the compensating element 41 is arranged on a transmission element 96, which transmits the torque from a drive element 92 to the transverse yoke 84.
  • the drive element 92 comprises an electric motor 93 and a worm gear 94.
  • the entire drive element 92 is attached via a support structure 97, which has slots 95, to the main post 90 ', for example via screws. Through the slots 95 an adjustment along the vertical axis of the main post 90 'is possible.
  • the support structure 97 or the drive element 92 have holes, here without reference symbols, in order to guide further tension elements 20 'along a longitudinal axis L which extends substantially along the axis of rotation D.
  • both first spacings 61 (not shown in FIG. 4 for the sake of clarity) of the first base arrangements 60, which are respectively connected to the fixed point 64, are shortened or lengthened in their length.
  • the tension element 20 of the right-hand first base arrangement 60 is fastened to the deflecting element 62 via a tensioning element 24, where it begins before it reaches the fixing point 64 via the fixing point 64 and from there via the fixed point 64, to the deflection roller 62 and then on is guided along the arrangement.
  • FIG. 5 shows a perspective view of preferred embodiments of two first base arrangements 60, which are connected to a drive element 92 via a transverse yoke 84.
  • the drive element 92 is covered in Fig. 5 by a transmission element 96.
  • the transmission element 96 serves to transmit the torque from the drive element 92 to the transverse yoke 84.
  • the transmission element 96 has a hole (without reference numeral), which lies in the region of a longitudinal axis L or a rotation axis D.
  • the transmission element 96 has two deflection rollers 28, which serve to guide tension elements 20 along the longitudinal axis L or rotation axis D, starting from deflecting elements 62.
  • both first base arrangements 60 each have on both sides of the longitudinal axis L the tension element 20 which is guided by the deflection elements 62 to a fixed point 64 which is arranged on a main post 90 '. From the fixed point 64, the tension elements 20 are guided to the compensation element 41 of a compensation assembly 40, from there back over the fixed point 64 to the respective deflection elements 62 to be guided from there to the respective guide rollers 28.
  • the drive element 92 is fastened to the main post 90 'via a support structure 97.
  • the support structure 97 has slots 95 through which it is attached to the main post 90 'to ensure height variability of the drive member 92.
  • the elongated holes 95 are hidden in FIG. 5, however.
  • a side member 86 is shown, which via a fastening element 85 (in a preferred embodiment designed as a U-clip), on the transverse yoke 84, for example by means of screws or the like, is attached.
  • a fastening element 85 in a preferred embodiment designed as a U-clip
  • two auxiliary cables 21 are indicated, which are each arranged on clamping element 24 on the transverse yoke 84.
  • Two solar modules 10, which so to speak describe an arrangement plane E (not shown), which can be pivoted about the rotation axis D, are shown in sketch form.
  • FIG. 6 shows a perspective top view of a preferred embodiment of a drive element 92 comprising an electric motor 93 and a gear 94.
  • the drive element 92 is attached to a main post 90 '.
  • a torque is transmitted from the drive element 92 via a transmission element 96 to a transverse yoke 84.
  • On the transmission element 96 are two pulleys 28, which serve to forward two tension members 20, which respectively belong to first base assemblies 60 (not shown), along a longitudinal axis L.
  • the transmission element 96 and the drive element 92 have a hole (without reference number) through which tension elements 20 or further tension elements 20 'can be guided.
  • the further tension elements 20 ' may be those which, starting from a distributor element 22, are guided via deflection rollers 28 back to the other side of the main post to deflecting elements 62 or transverse yokes 84 arranged there, as shown in FIG. 2 a.
  • Fig. 7 shows a preferred embodiment of a post 90 with second base assemblies 60 '.
  • a fixed point 64 is arranged on a post 90.
  • a head portion 88 is disposed at an upper end of the post 90.
  • An adapter plate 29 with two recesses 30 is shown on the head part 88.
  • the adapter plate 29 also has two deflection rollers 28 which are designed to guide further tension elements 20 '(coming from a longitudinal direction) in the direction of the deflection elements 62, which are located on both sides of a transverse yoke 84.
  • the further tension element 20' is guided by the deflection roller 28 to the deflecting element 62, from where it is guided via the fixing point 64 and back to the deflecting element 62, where it is finally fastened.
  • the adapter plate 29 also has elongated holes 85 which serve to fix the transverse yoke 84 variably. The elongated holes 95 are hidden in FIG. 7, however.
  • FIG. 8 shows a preferred embodiment of deflection rollers 28 for deflecting tension elements 20 or further tension elements 20 'along a longitudinal axis L or a rotation axis D.
  • a head part 88 is arranged on a post 90, on which in turn an adapter plate 29 is arranged is.
  • a transverse yoke 84 is fastened by means of four screws.
  • the adapter plate 29 has four elongated holes 95 (concealed) in order to arrange the transverse yoke 84 variably on the adapter plate 29.
  • Variable means that a height adjustment along a high-axis se of the post 90 is possible when the cross bar 84 is horizontal.
  • the adapter plate 29 has recesses 30 in order, for example, to convey tension elements 20 or further tension elements 20 'along the longitudinal axis L. Furthermore, two deflecting rollers 28 are attached to the adapter plate 29 in order to deflect tension elements 20 and 20 ', for example by 180 °.
  • FIG. 9 shows a preferred embodiment of a post 90 without first 60 or second base assemblies 60 '.
  • a head portion 88 is attached to which in turn an adapter plate 29 is arranged.
  • a transverse yoke 84 is arranged on the adapter plate 29, to which a longitudinal member 86 is fastened via a fastening element 85. It is understood that such a longitudinal member 86 is preferably arranged on both sides of the adapter plate 29. For the sake of clarity, however, this is not shown here.
  • a module carrier rail 89 is arranged, on which in turn a solar module 10 is arranged.
  • the arrangement, consisting of the solar module 10, the module carrier rail 89, the longitudinal member 86 and the transverse yoke 84 results in the entire assembly plane E.
  • the adapter plate 29 has two recesses 30 in order to continue tension elements 20 and other tension elements 20 'along a longitudinal axis L.
  • FIG. 10 shows a preferred embodiment of a distributor element 22.
  • the distributor element 22 is designed as a plate on which a tension element 20 is arranged. Opposite the arrangement side of the tension element 20 further tension elements 20 'are attached, which thus form an extension of the tension element 20 and forward the train adjacent thereto.
  • the tension members 20 ' are screwed with threaded rods into the plate of the distributor element 22, whereby the tension elements 20' can be tensioned.
  • the distributor element 21 acts as a clamping element 24.
  • the distributor element 22 comprises a guide hole 23, through which an auxiliary cable 21 is guided. Further illustrated are two Longitudinal support members 86 ', which are connected via an intermediate piece 87 so that a longitudinal member 86 is formed.
  • FIG. 11 shows a sketch of the functioning of a twist arrester 26.
  • a tension element 20 on one side and further tension elements 20 'on the other side are arranged on the distributor element 22 .
  • the distributor element 22 further has a guide hole 23, which acts together with the distributor element 22 as a twist-proof device 26.
  • Through the guide hole 23 an auxiliary rope 21 is guided. This is brought under tension so that it is not or only slightly movable.
  • the above outlined torque is thus absorbed by the auxiliary rope 21 in combination with the guide hole 23. That is, the distributor element 22 can only reciprocate in a limited area (see lower double arrow). A rotation of the other tension members 20 'and the distributor element 22 is thus prevented.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Photovoltaic Devices (AREA)
  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Vehicle Body Suspensions (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

L'invention concerne un système de stabilisation comprenant un élément de traction (20), en particulier un ensemble de câbles, un ensemble de compensation (40) et au moins deux ensembles de base (60). Un premier ensemble de base comprend un élément de renvoi (62) qui est fixé sur le plan d'agencement (E) à distance de l'axe de rotation (D) vers un côté. Un second ensemble de base (60) comprend un élément de renvoi (62) qui est fixé sur le plan d'agencement (E) à distance de l'axe de rotation (D) vers un autre côté, le premier et le ou les seconds ensembles de base (60) étant décalés les uns par rapport aux autres le long de l'axe longitudinal (L). Dans les ensembles de base (60), l'élément de traction (20) est guidé respectivement par l'élément de renvoi (62) en direction d'un point fixe (64) et en retour à un premier écartement (61) ; et entre les ensembles de base (60), l'élément de traction (20) est guidé le long de l'axe longitudinal (L), ce qui permet d'élaborer une tension dans l'ensemble de base (60), de sorte qu'au moins deux ensembles de base (60) sont reliés par l'élément de traction (20) de telle manière que lors du pivotement du plan d'agencement (E), le premier écartement (61) d'un ensemble de base (60) est raccourci lorsque le premier écartement (61) du ou des autres ensembles de base (60) est rallongé. Le raccourcissement et le rallongement sont différents de manière à entraîner une différence de longueur qui agit sur la tension de l'élément de traction (20) dans les ensembles de base (60), l'ensemble de compensation (40) du premier ensemble de base (60) étant configuré pour compenser la différence de longueur.
EP13789583.5A 2012-11-19 2013-11-14 Système de stabilisation Withdrawn EP2920525A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012104461.7U DE202012104461U1 (de) 2012-11-19 2012-11-19 Stabilisierungssystem
PCT/EP2013/073832 WO2014076185A1 (fr) 2012-11-19 2013-11-14 Système de stabilisation

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EP (1) EP2920525A1 (fr)
CN (1) CN105102904A (fr)
AU (1) AU2013346849B2 (fr)
BR (1) BR112015011461A2 (fr)
CA (1) CA2891810A1 (fr)
CL (1) CL2015001344A1 (fr)
DE (1) DE202012104461U1 (fr)
MX (1) MX2015006221A (fr)
WO (1) WO2014076185A1 (fr)
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Also Published As

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US9927150B2 (en) 2018-03-27
AU2013346849B2 (en) 2018-03-01
AU2013346849A1 (en) 2015-05-28
DE202012104461U1 (de) 2014-02-21
CL2015001344A1 (es) 2015-12-28
WO2014076185A1 (fr) 2014-05-22
CA2891810A1 (fr) 2014-05-22
ZA201504003B (en) 2016-11-30
US20150285536A1 (en) 2015-10-08
BR112015011461A2 (pt) 2017-07-11
MX2015006221A (es) 2015-11-06
CN105102904A (zh) 2015-11-25

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