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WO2008154980A2 - Solar module mounting system - Google Patents

Solar module mounting system Download PDF

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Publication number
WO2008154980A2
WO2008154980A2 PCT/EP2008/003289 EP2008003289W WO2008154980A2 WO 2008154980 A2 WO2008154980 A2 WO 2008154980A2 EP 2008003289 W EP2008003289 W EP 2008003289W WO 2008154980 A2 WO2008154980 A2 WO 2008154980A2
Authority
WO
WIPO (PCT)
Prior art keywords
solar module
mounting system
edge protection
module mounting
solar
Prior art date
Application number
PCT/EP2008/003289
Other languages
German (de)
French (fr)
Other versions
WO2008154980A3 (en
Inventor
Walter Leithold
Original Assignee
Solarmarkt Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Solarmarkt Ag filed Critical Solarmarkt Ag
Publication of WO2008154980A2 publication Critical patent/WO2008154980A2/en
Publication of WO2008154980A3 publication Critical patent/WO2008154980A3/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/30—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors
    • F24S25/33—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors forming substantially planar assemblies, e.g. of coplanar or stacked profiles
    • F24S25/35—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors forming substantially planar assemblies, e.g. of coplanar or stacked profiles by means of profiles with a cross-section defining separate supporting portions for adjacent modules
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/40—Preventing corrosion; Protecting against dirt or contamination
    • F24S40/44—Draining rainwater or condensation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/70—Sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S2025/01—Special support components; Methods of use
    • F24S2025/015—Supports with play between elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S2025/80—Special profiles
    • F24S2025/801—Special profiles having hollow parts with closed cross-section
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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

Definitions

  • the invention relates to a solar module mounting system, in particular for frameless solar modules.
  • Photovoltaic systems are becoming more and more interesting for private persons in the course of the climate discussion.
  • frameless solar modules are increasingly being offered which, in addition to the support on which the individual solar cells are mounted, and a cover glass have no further components or mounting options.
  • the modules are also unprotected and require special care in handling, so that the modules are not damaged by unintentional tapping.
  • Such frameless solar modules are fastened for example by multi-part retaining clips on suitable carriers.
  • the bottom of the module is placed on a support with an edge that is padded with a rubber.
  • a rubber-padded retaining clip is also placed and secured by a screw. Due to the contact pressure of the retaining clip on the edge of the solar module arise in the cover glass of the solar module voltages that often lead to fractures or cracks, especially during assembly by laymen.
  • a rooftop mounting system advertised on the website by the company Solarwatt AG from Dresden and known as ADSIII avoids the problem of voltage due to the onset of the Upper and lower edges of the modules in continuous H-profile rails.
  • a rubber profile is inserted in the lower rail over the entire length. Precisely cut deeper rubber profiles are placed on the top edge of the solar module. The solar modules are thus only held by the rubber profiles, m the H-profile rails.
  • the object of the invention is therefore to provide a mounting system for frameless solar modules, in which the solar modules have an effective edge protection, and thus is also easy and safe for laymen applicable.
  • a solar module mounting system in particular for frameless solar modules, in which two opposite edges of the solar modules are used in H-profile rails, that at least one edge protection element on the edges of the solar module to be inserted into the H-profile rails is attached.
  • edge protection elements which are either already placed on the solar module at the manufacturer or directly after removal from the packaging, make handling the solar module much easier, as it is not necessary to pay sufficient attention to ensuring that the module does not catch fire.
  • the assembly is also simplified by the early attachment of the edge protection elements, since the modules can be used without further preparatory work in the H-profile rails. Thus, even the layman is a simple and secure Possibility of solar module assembly available.
  • the edge protection elements are preferably designed as standard elements with a unit size, so that the same elements can be used for all edges of the module. Depending on the module size, it may therefore be expedient to provide more than one edge protection element at one edge.
  • the edge protection elements are preferably made of a weather-resistant rubber, such as EPDM, so that shocks are damped and the edge protection elements have at least during the life of the module no wear.
  • a weather-resistant rubber such as EPDM
  • the edge protection elements expediently have a substantially U-shaped cross section, so that they can be easily attached to the edges of the module.
  • the edge protection element may additionally be reinforced by a mold insert which, like a spring clip, provides a better grip on the edge of the module.
  • the mold insert may for example consist of a steel mesh, a sheet or a plastic and be vulcanized into the rubber or be prepared by a two-component injection molding process.
  • the inner sides of the U-legs of the edge protection element may be expedient to provide the inner sides of the U-legs of the edge protection element with inwardly directed slats. This simplifies assembly and makes it even more difficult to remove. It is also possible to provide the outer sides of the edge protection elements with a sliding coating, so that the modules can be easily introduced with the edge protection elements in the H-profile rails.
  • the module underside facing U-legs may be formed longer than the module top side facing U-legs.
  • a water drainage channel can be integrated in the H-profile rail, which ensures that the solar module edge is not in the water at any point.
  • edge protection elements Since the solar modules are held in the H-profile rails only by the static friction of the edge protection elements, it can come by temperature fluctuations and wind to movements of the individual modules. Therefore, it may be advantageous to attach edge protection elements as spacers to adjacent modules and to the edge stop also on the lateral edges of the modules. This easily prevents modules from being damaged by touching or rubbing against each other.
  • the edge protection elements can already be attached by the manufacturer at the factory.
  • the mounting system according to the invention is particularly safe and easy to use for laymen. Apart from the plugging on the module, there is no further effort, in particular the rubber profile does not have to be cut to size and care must not be taken that the correct profile is used. Furthermore, the risk of cracking due to stresses in the cover glass of the module is eliminated.
  • a preferred embodiment of the solar module mounting system is explained in more detail with reference to the drawings.
  • Fig. 2 is a plan view of a solar module with patch edge protection elements
  • Fig. 3 is a cross section through a solar module arrangement with a solar module in Vo 'rmontagegna.
  • edge protection element 1 shows an edge protection element 1, which has a substantially U-shaped cross-section, wherein the upper U-leg 2 is shorter than the lower U-leg 3. Both legs carry a different fin profile 4, 5 with inwardly directed fins, whereby the edge protection element is simply pushed onto the solar module, but difficult to remove.
  • a sealing lip 6 is further arranged, which impedes the penetration of liquid in the region of the edge protection element.
  • the edge protection element 1 is reinforced by a steel braid 7 and biased such that the two U-legs are inclined inwards. When pushed onto the solar module 9, the holding force is additionally reinforced by the spring force in the steel mesh 7.
  • FIG. 2 shows a solar module 9, each with two patch edge protection elements 1 at opposite edges 16 for insertion in H-profile rails 8.
  • the additional edge protection element 1a can optionally be attached to a free edge 17 as a spacer to an adjacent solar module.
  • a part of an entire solar module arrangement is shown in Fig. 3 in cross section.
  • the H-profile rails 8 can be mounted on a roof or outdoor frame and are fastened, for example, by retaining clips which engage in the lugs 10 of the H-profile rail 8.
  • the H-profile rail 8 has a lower 12 and an upper profile 13 for receiving the solar modules, wherein the lower profile 12 is longer than the upper profile 13.
  • the upper profile 13 is followed by a water drainage channel 11, through which water can flow, so that stagnant water, which can penetrate into the module interior via the module edge, is prevented.
  • edge protection elements 1 are placed on the edges 16 of the solar module 9 to be inserted into the profiles 12, 13, for example according to the arrangement in FIG. 2.
  • the populated solar module 14, as shown, slopes slightly into the upper profile 12 inserted until the lower edge protection elements 1b rest on the profile projection 15. Then the module 14 is pushed into the lower profile 13. In this case, the upper edge protection element 1c remains firmly on the solar module.

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

Abstract

The invention relates to a solar module mounting system for frameless solar modules (9), in which two opposite edges of the solar modules (9) are inserted into H-shaped profiled rails (8). The solar module mounting system according to the invention is characterized in that at least one respective edge protecting element (1) is attached to the edges (16) of the solar module (9) that are to be inserted into the H-shaped profiled rails (8).

Description

Solarmodul-Montagesystem Solar module mounting system

Die Erfindung betrifft ein Solarmodul-Montagesystem, insbesondere für rahmenlose Solarmodule.The invention relates to a solar module mounting system, in particular for frameless solar modules.

Photovoltaikanlagen werden im Zuge der Klimadiskussion mehr und mehr auch für Privatpersonen interessant. Umso größer ist das Bestreben der Hersteller die Module möglichst kostengünstig anzubieten um so einen großen Marktanteil zu erzielen. Daher werden vermehrt rahmenlose Solarmodule angeboten, die neben dem Träger, auf dem die einzelnen Solarzellen montiert sind, und einem Deckglas keine weiteren Bauteile oder Befestigungsmöglichkeiten aufweisen. Dadurch sind die Module aber auch ungeschützt und bedürfen beim Umgang besonderer Vorsicht, damit die Module nicht durch unbeabsichtigtes Anecken beschädigt werden.Photovoltaic systems are becoming more and more interesting for private persons in the course of the climate discussion. The greater the effort of the manufacturers to offer the modules as cost effective as possible in order to achieve a large market share. For this reason, frameless solar modules are increasingly being offered which, in addition to the support on which the individual solar cells are mounted, and a cover glass have no further components or mounting options. As a result, the modules are also unprotected and require special care in handling, so that the modules are not damaged by unintentional tapping.

Solche rahmenlosen Solarmodule werden beispielsweise durch mehrteilige Halteklammern auf geeigneten Trägern befestigt. Dabei wird die Unterseite des Moduls mit einer Kante auf ei- nen Träger gelegt, der mit einem Gummi gepolstert ist. Von oben wird eine ebenfalls gummigepolsterte Halteklammer aufgelegt und durch eine Schraube befestigt. Durch den Anpressdruck der Halteklammer an der Kante des Solarmoduls entstehen im Deckglas des Solarmoduls Spannungen, die häufig zu Brüchen oder Rissen führen, insbesondere bei der Montage durch Laien.Such frameless solar modules are fastened for example by multi-part retaining clips on suitable carriers. The bottom of the module is placed on a support with an edge that is padded with a rubber. From above, a rubber-padded retaining clip is also placed and secured by a screw. Due to the contact pressure of the retaining clip on the edge of the solar module arise in the cover glass of the solar module voltages that often lead to fractures or cracks, especially during assembly by laymen.

Ein von der Firma Solarwatt AG aus Dresden auf der Internetseite beworbenes und als ADSIII bekanntes Aufdach-Montagesystem umgeht die Spannungsproblematik durch das Einsetzen der Ober- und Unterkanten der Module in durchgehende H-Profil- schienen. Dabei ist in der unteren Schiene auf der gesamten Länge ein Gummiprofil eingelegt. Auf der Oberkante des Solarmoduls werden genau abgelängte tiefere Gummiprofile aufge- setzt. Die Solarmodule liegen somit nur, durch die Gummiprofile gehalten, m den H-Profllschienen.A rooftop mounting system advertised on the website by the company Solarwatt AG from Dresden and known as ADSIII avoids the problem of voltage due to the onset of the Upper and lower edges of the modules in continuous H-profile rails. Here, a rubber profile is inserted in the lower rail over the entire length. Precisely cut deeper rubber profiles are placed on the top edge of the solar module. The solar modules are thus only held by the rubber profiles, m the H-profile rails.

Auch bei diesem System verbleibt das Solarmodul während der Montage weitgehend ungeschützt, wodurch der Umgang mit den Solarmodulen größter Vorsicht bedarf. Em zusätzlicher Arbeitsaufwand entsteht durch das Zuschneiden des oberen Gummi- profils, bei dem auch darauf geachtet werden muss, dass es die richtige Profiltiefe aufweist.Even with this system, the solar module remains largely unprotected during assembly, making the handling of the solar modules requires great care. Additional work is required by cutting the upper rubber profile, making sure that it has the correct tread depth.

Aufgabe der Erfindung ist es daher, ein Montagesystem für rahmenlose Solarmodule zu schaffen, bei dem die Solarmodule einen wirksamen Kantenschutz aufweisen, und das dadurch auch für Laien einfach und sicher anwendbar ist.The object of the invention is therefore to provide a mounting system for frameless solar modules, in which the solar modules have an effective edge protection, and thus is also easy and safe for laymen applicable.

Diese Aufgabe wird durch ein Solarmodul-Montagesystem insbesondere für rahmenlose Solarmodule, bei dem zwei gegenüberliegende Kanten der Solarmodule in H-Profllschienen eingesetzt werden, dadurch gelöst, dass an den in die H-Profil- schienen einzusetzenden Kanten des Solarmoduls jeweils min- destens ein Kantenschutzelement aufgesetzt ist.This object is achieved by a solar module mounting system, in particular for frameless solar modules, in which two opposite edges of the solar modules are used in H-profile rails, that at least one edge protection element on the edges of the solar module to be inserted into the H-profile rails is attached.

Durch die Kantenschutzelemente, die entweder bereits her- stellerseitig oder direkt nach der Entnahme aus der Verpackung auf das Solarmodul aufgesetzt werden, ist der Umgang mit dem Solarmodul wesentlich vereinfacht, da nicht in dem Maße darauf geachtet werden muss, dass das Modul nicht aneckt. Auch die Montage wird durch die frühzeitige Anbringung der Kantenschutzelemente vereinfacht, da die Module ohne weitere Vorarbeiten in die H-Profllschienen eingesetzt werden können. Somit steht auch dem Laien eine einfache und sichere Möglichkeit der Solarmodul-Montage zur Verfügung.The edge protection elements, which are either already placed on the solar module at the manufacturer or directly after removal from the packaging, make handling the solar module much easier, as it is not necessary to pay sufficient attention to ensuring that the module does not catch fire. The assembly is also simplified by the early attachment of the edge protection elements, since the modules can be used without further preparatory work in the H-profile rails. Thus, even the layman is a simple and secure Possibility of solar module assembly available.

Die Kantenschutzelemente sind bevorzugt als Standardelemente mit Einheitsgröße ausgeführt, so dass für alle Kanten des Mo- duls die gleichen Elemente verwendet werden können. Je nach Modulgröße kann es daher zweckmäßig sein, mehr als ein Kantenschutzelement an einer Kante vorzusehen.The edge protection elements are preferably designed as standard elements with a unit size, so that the same elements can be used for all edges of the module. Depending on the module size, it may therefore be expedient to provide more than one edge protection element at one edge.

Die Kantenschutzelemente sind bevorzugt aus einem witterungs- beständigen Gummi hergestellt, beispielsweise EPDM, damit Stöße abgedämpft werden und die Kantenschutzelemente mindestens während der Lebensdauer des Moduls keinen Verschleiß aufweisen.The edge protection elements are preferably made of a weather-resistant rubber, such as EPDM, so that shocks are damped and the edge protection elements have at least during the life of the module no wear.

Die Kantenschutzelemente weisen zweckmäßigerweise einen im wesentlichen U-förmigen Querschnitt auf, so dass sie einfach auf die Kanten des Moduls aufgesteckt werden können. Das Kantenschutzelement kann zusätzlich durch eine Formeinlage verstärkt sein, die wie eine Federklammer für einen besseren Halt auf der Kante des Moduls sorgt. Die Formeinlage kann beispielsweise aus einem Stahlgeflecht, einem Blech oder einem Kunststoff bestehen und in den Gummi einvulkanisiert sein oder durch ein Zweikomponenten-Spritzgußverfahren hergestellt sein.The edge protection elements expediently have a substantially U-shaped cross section, so that they can be easily attached to the edges of the module. The edge protection element may additionally be reinforced by a mold insert which, like a spring clip, provides a better grip on the edge of the module. The mold insert may for example consist of a steel mesh, a sheet or a plastic and be vulcanized into the rubber or be prepared by a two-component injection molding process.

Weiterhin kann es zweckmäßig sein, die Innenseiten der U- Schenkel des Kantenschutzelements mit nach innen gerichteten Lamellen zu versehen. Dadurch wird die Montage vereinfacht und das Abziehen zusätzlich erschwert. Es ist auch möglich die Außenseiten der Kantenschutzelemente mit einer Gleitbeschichtung zu versehen, damit die Module mit den Kantenschutzelementen leichter in die H-Profilschienen eingeführt werden können.Furthermore, it may be expedient to provide the inner sides of the U-legs of the edge protection element with inwardly directed slats. This simplifies assembly and makes it even more difficult to remove. It is also possible to provide the outer sides of the edge protection elements with a sliding coating, so that the modules can be easily introduced with the edge protection elements in the H-profile rails.

Zur Vergrößerung der Auflagefläche des Solarmoduls kann der der Modulunterseite zugewandte U-Schenkel länger ausgebildet sein als der der Moduloberseite zugewandte U-Schenkel.To increase the contact surface of the solar module, the the module underside facing U-legs may be formed longer than the module top side facing U-legs.

Weiterhin ist es zweckmäßig, den oberen U-Schenkel mit einer Dichtlippe zu versehen, um zu verhindern, dass Wasser, das am Modul entlang fließt, in den Kantenschutz eindringt, sich dort ansammelt und in das Solarmodul eindringt. Um das Wasser, das neben den Kantenschutzelementen abfließt, effizient abzuleiten, kann in der H-Profilschiene eine Wasserablaufrinne integriert sein, die dafür sorgt, dass die Solarmodulkante an keiner Stelle im Wasser steht.Furthermore, it is expedient to provide the upper U-legs with a sealing lip to prevent water that flows along the module, penetrates into the edge protection, there accumulates and penetrates into the solar module. In order to efficiently dissipate the water which runs off adjacent to the edge protection elements, a water drainage channel can be integrated in the H-profile rail, which ensures that the solar module edge is not in the water at any point.

Da die Solarmodule in den H-Profilschienen nur durch die Haftreibung der Kantenschutzelemente gehalten werden, kann es durch Temperaturschwankungen und Wind zu Bewegungen der einzelnen Module kommen. Daher kann es vorteilhaft sein, auch auf den seitlichen Kanten der Module Kantenschutzelemente als Abstandshalter zu benachbarten Modulen und zum Randanschlag anzubringen. So wird auf einfache Weise verhindert, dass Mo- dule durch gegenseitiges Berühren oder Scheuern beschädigt werden.Since the solar modules are held in the H-profile rails only by the static friction of the edge protection elements, it can come by temperature fluctuations and wind to movements of the individual modules. Therefore, it may be advantageous to attach edge protection elements as spacers to adjacent modules and to the edge stop also on the lateral edges of the modules. This easily prevents modules from being damaged by touching or rubbing against each other.

Um die Handhabung der Solarmodule für den Endanwender besonders einfach zu gestalten können die Kantenschutzelemente be- reits werkseitig vom Hersteller angebracht sein.In order to make the handling of the solar modules particularly easy for the end user, the edge protection elements can already be attached by the manufacturer at the factory.

Durch die Verwendung von standardisierten Kantenschutzelementen, die einfach auf das Solarmodul gesteckt werden, ist das erfindungsgemäße Montagesystem besonders sicher und auch für Laien einfach zu verwenden. Außer dem Aufstecken auf das Modul entsteht kein weiterer Aufwand, insbesondere muss das Gummiprofil nicht auf Maß abgelängt werden und nicht darauf geachtet werden, dass das richtige Profil benutzt wird. Weiterhin entfällt die Gefahr der Rissbildung durch Spannungen im Deckglas des Moduls. Eine bevorzugte Ausgestaltung des Solarmodul-Montagesystems ist nachfolgend anhand der Zeichnungen näher erläutert.Through the use of standardized edge protection elements that are simply plugged into the solar module, the mounting system according to the invention is particularly safe and easy to use for laymen. Apart from the plugging on the module, there is no further effort, in particular the rubber profile does not have to be cut to size and care must not be taken that the correct profile is used. Furthermore, the risk of cracking due to stresses in the cover glass of the module is eliminated. A preferred embodiment of the solar module mounting system is explained in more detail with reference to the drawings.

Es zeigen:Show it:

Fig. 1 ein Querschnitt durch ein Kantenschutzelement,1 shows a cross section through an edge protection element,

Fig. 2 eine Aufsicht eines Solarmoduls mit aufgesetzten Kantenschutzelementen, undFig. 2 is a plan view of a solar module with patch edge protection elements, and

Fig. 3 ein Querschnitt durch eine Solarmodulanordnung mit einem Solarmodul in Vo'rmontagestellung.Fig. 3 is a cross section through a solar module arrangement with a solar module in Vo 'rmontagestellung.

Figur 1 zeigt ein Kantenschutzelement 1 , das im wesentlichen einen U-förmigen Querschnitt aufweist, wobei der obere U- Schenkel 2 kürzer ist, als der untere U-Schenkel 3. Beide Schenkel tragen ein unterschiedliches Lamellenprofil 4, 5 mit nach innen gerichteten Lamellen, wodurch das Kantenschutzele- ment einfach auf das Solarmodul aufschiebbar ist, aber schwer entfernt werden kann. Am oberen U-Schenkel 2 ist weiterhin eine Dichtlippe 6 angeordnet, die ein Eindringen von Flüssigkeit im Bereich des Kantenschutzelements erschwert. Das Kantenschutzelement 1 ist durch ein Stahlgeflecht 7 verstärkt und derart vorgespannt, dass die beiden U-Schenkel nach innen geneigt sind. Beim Aufschieben auf das Solarmodul 9 wird durch die Federkraft im Stahlgeflecht 7 die Haltekraft zusätzlich verstärkt.1 shows an edge protection element 1, which has a substantially U-shaped cross-section, wherein the upper U-leg 2 is shorter than the lower U-leg 3. Both legs carry a different fin profile 4, 5 with inwardly directed fins, whereby the edge protection element is simply pushed onto the solar module, but difficult to remove. At the upper U-leg 2, a sealing lip 6 is further arranged, which impedes the penetration of liquid in the region of the edge protection element. The edge protection element 1 is reinforced by a steel braid 7 and biased such that the two U-legs are inclined inwards. When pushed onto the solar module 9, the holding force is additionally reinforced by the spring force in the steel mesh 7.

Figur 2 zeigt ein Solarmodul 9 mit jeweils zwei aufgesetzten Kantenschutzelementen 1 an gegenüberliegenden Kanten 16 zum Einsetzten in H-Profilschienen 8. Das zusätzliche Kantenschutzelement 1a kann wahlweise an einer freien Kante 17 als Abstandshalter zu einem benachbarten Solarmodul angebracht werden. Ein Teil einer ganzen Solarmodulanordnung ist in Fig. 3 im Querschnitt gezeigt. Die H-Profilschienen 8 können auf einem Dach- oder Freilandgestell montiert werden und sind bei- spielsweise durch Halteklammern befestigt, die in die Nasen 10 der H-Profilschiene 8 eingreifen. Die H-Profilschiene 8 weist zur Aufnahme der Solarmodule ein unteres 12 und ein oberes Profil 13 auf, wobei das untere Profil 12 länger als das obere Profil 13 ist. Am oberen Profil 13 schließt sich eine Wasserablaufrinne 11 an, über die Wasser abfließen kann, so dass stehendes Wasser, das über die Modulkante in das Modulinnere eindringen kann, verhindert wird.Figure 2 shows a solar module 9, each with two patch edge protection elements 1 at opposite edges 16 for insertion in H-profile rails 8. The additional edge protection element 1a can optionally be attached to a free edge 17 as a spacer to an adjacent solar module. A part of an entire solar module arrangement is shown in Fig. 3 in cross section. The H-profile rails 8 can be mounted on a roof or outdoor frame and are fastened, for example, by retaining clips which engage in the lugs 10 of the H-profile rail 8. The H-profile rail 8 has a lower 12 and an upper profile 13 for receiving the solar modules, wherein the lower profile 12 is longer than the upper profile 13. The upper profile 13 is followed by a water drainage channel 11, through which water can flow, so that stagnant water, which can penetrate into the module interior via the module edge, is prevented.

Zur Montage der Solarmodule 9 werden erst die Kantenschutz- elemente 1 an den in die Profile 12, 13 einzuführenden Kanten 16 des Solarmoduls 9 aufgesetzt, beispielsweise nach der Anordnung in Fig. 2. Das bestückte Solarmodul 14 wird wie abgebildet leicht schräg in das obere Profil 12 eingeführt, bis die unteren Kantenschutzelemente 1b auf dem Profilvorsprung 15 aufliegen. Dann wird das Modul 14 in das untere Profil 13 geschoben. Dabei verbleibt das obere Kantenschutzelement 1c fest auf dem Solarmodul 9. For mounting the solar modules 9, only the edge protection elements 1 are placed on the edges 16 of the solar module 9 to be inserted into the profiles 12, 13, for example according to the arrangement in FIG. 2. The populated solar module 14, as shown, slopes slightly into the upper profile 12 inserted until the lower edge protection elements 1b rest on the profile projection 15. Then the module 14 is pushed into the lower profile 13. In this case, the upper edge protection element 1c remains firmly on the solar module. 9

Claims

Ansprüche claims 1. Solarmodul-Montagesystem für rahmenlose Solarmodule (9) bei dem zwei gegenüberliegende Kanten der Solarmodule1. solar module mounting system for frameless solar modules (9) at the two opposite edges of the solar modules (9) in H-Profilschienen (8) eingesetzt werden, dadurch gekennzeichnet, dass an den in die H-Profilschienen (8) einzusetzenden Kanten (16) des Solarmoduls (9) jeweils mindestens ein Kantenschutzelement (1) aufgesetzt ist.(9) in H-profile rails (8) are used, characterized in that at least one edge protection element (1) is placed on the in the H-profile rails (8) to be used edges (16) of the solar module (9). 2. Solarmodul-Montagesystem nach Anspruch 1, dadurch gekennzeichnet, dass die Kantenschutzelemente (1) aus einem witterungsbeständigen Gummi bestehen.2. Solar module mounting system according to claim 1, characterized in that the edge protection elements (1) consist of a weather-resistant rubber. 3. Solarmodul-Montagesystem nach einem der Ansprüche 1 oder3. Solar module mounting system according to one of claims 1 or 2, dadurch gekennzeichnet, dass die Kantenschutzelemente im wesentlichen U-förmig Profile sind, die eine verstärkende Formeinlage (7) beispielsweise aus einem Metallgeflecht, einem Blech oder einem Kunststoff aufweisen.2, characterized in that the edge protection elements are substantially U-shaped profiles having a reinforcing mold insert (7), for example, a metal mesh, a sheet or a plastic. 4. Solarmodul-Montagesystem nach einem der Ansprüche 1 bis4. Solar module mounting system according to one of claims 1 to 3, dadurch gekennzeichnet, dass der der Modulunterseite zugewandte U-Schenkel (3) des Kantenschutzelements länger ist als der der Moduloberseite zugewandte U-Schenkel (2).3, characterized in that the module underside facing U-leg (3) of the edge protection element is longer than the upper side of the module facing U-legs (2). 5. Solarmodul-Montagesystem nach einem der Ansprüche 1 bis5. Solar module mounting system according to one of claims 1 to 4, dadurch gekennzeichnet, dass die Innenseiten der U- Schenkel (2, 3) der Kantenschutzelemente (1) nach innen gerichtete Lamellen (4, 5) aufweisen.4, characterized in that the inner sides of the U-legs (2, 3) of the edge protection elements (1) inwardly directed lamellae (4, 5). 6. Solarmodul-Montagesystem nach einem der Ansprüche 1 bis6. Solar module mounting system according to one of claims 1 to 5, dadurch gekennzeichnet, dass der der Moduloberseite zugewandte U-Schenkel (2) des Kantenschutzelements eine Dichtlippe (6) aufweist. 5, characterized in that the upper side of the module facing U-leg (2) of the edge protection element has a sealing lip (6). 7. Solarmodul-Montagesystem nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Außenseiten der Kantenschutzelemente (1) mit einer Gleitbeschichtung versehen sind.7. Solar module mounting system according to one of claims 1 to 6, characterized in that the outer sides of the edge protection elements (1) are provided with a sliding coating. 8. Solarmodul-Montagesystem nach einem der Ansprüche 1 bis8. Solar module mounting system according to one of claims 1 to 6, dadurch gekennzeichnet, dass an jeder in die H-Pro- filschienen (8) einzusetzenden Kanten (16) des Solarmoduls zwei Kantenschutzelemente (1) aufgesetzt sind.6, characterized in that at each in the H-profile rails (8) to be used edges (16) of the solar module, two edge protection elements (1) are placed. 9. Solarmodul-Montagesystem nach einem der Ansprüche 1 bis9. Solar module mounting system according to one of claims 1 to 7, dadurch gekennzeichnet, dass an wenigstens einer freien Kante (17) des Solarmoduls (9) mindestens ein Kantenschutzelement (1b) als Abstandshalter zu einem benachbarten Solarmodul aufgesetzt ist.7, characterized in that at least one free edge (17) of the solar module (9) at least one edge protection element (1b) is placed as a spacer to an adjacent solar module. 10. Solarmodul-Montagesystem nach einem der Ansprüche 1 bis10. Solar module mounting system according to one of claims 1 to 8, dadurch gekennzeichnet, dass die H-Profilschiene (8) eine Wasserablaufrinne (11) aufweist.8, characterized in that the H-profile rail (8) has a water drainage channel (11). 11. Solarmodul-Montagesystem nach einem der Ansprüche 1 bis11. Solar module mounting system according to one of claims 1 to 9, dadurch gekennzeichnet, dass die Kantenschutzelemente (1) werkseitig auf das Solarmodul (9) aufgesetzt sind. 9, characterized in that the edge protection elements (1) are factory-mounted on the solar module (9).
PCT/EP2008/003289 2007-06-18 2008-04-24 Solar module mounting system WO2008154980A2 (en)

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