AU2011323009A1 - Photovoltaic module having a protective disk - Google Patents
Photovoltaic module having a protective disk Download PDFInfo
- Publication number
- AU2011323009A1 AU2011323009A1 AU2011323009A AU2011323009A AU2011323009A1 AU 2011323009 A1 AU2011323009 A1 AU 2011323009A1 AU 2011323009 A AU2011323009 A AU 2011323009A AU 2011323009 A AU2011323009 A AU 2011323009A AU 2011323009 A1 AU2011323009 A1 AU 2011323009A1
- Authority
- AU
- Australia
- Prior art keywords
- photovoltaic module
- protective plate
- module
- substructure
- longitudinal edge
- 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.)
- Abandoned
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 33
- 239000011521 glass Substances 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- 230000004888 barrier function Effects 0.000 claims abstract description 3
- 239000011347 resin Substances 0.000 claims description 22
- 229920005989 resin Polymers 0.000 claims description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 6
- 238000009432 framing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
- F24S25/634—Clamps; Clips
- F24S25/636—Clamps; Clips clamping by screw-threaded elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- 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
- F24S2025/016—Filling or spacing means; Elastic means
-
- 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
Abstract
The invention relates to a rectangular photovoltaic module having a first outer surface (1) made of glass and a second outer surface (3) made of plastic forming a moisture barrier. On the plastic surface (3), in particular starting from the two longitudinal edges (9), in each case at least one protective disk (27) covering a predefined clamping area is firmly connected to the plastic surface (3). The protective disk (27) replaces the otherwise usual frame.
Description
-1 Photovoltaic module with a safety screen The present invention comprises a rectangular photovoltaic module with a first outer surface made of glass and a second outer surface made of resin and providing a moisture barrier. The rectangular shape shall thus enclose inherently the two available longitudinal edges and the two available transverse edges. There are modules known, which are installed without a frame by brackets (usually 4 pieces / module). However, in doing so, there it is always obligatory to construct the front plate as well as the back plate all over from glass, distributing the forces affected by the brackets and thus protecting the resin layer between the two glass plates against damage. The disadvantage of this design, however, is that because of the double glass plates the weight is very high and therefore the manageability restricted. From GB 2 456 166 a photovoltaic module is known, of which the upper surface is made of a glass plate and of which the undersurface is made of an aluminum plate. There is protective device described, of which is the purpose to protect the damageable glass sides and glass edges of the glass plates. The provided protective plates are also designed as L- or U-shaped parts, whereby one leg is arranged between the aluminum plate and a first protective layer. Furthermore there is known from DE 20 2007 008 659 U1 an edge protector profile, used in connection with photovoltaic modules. There is described a U-shaped clamp, which is provided with a lamellar profile and a sealing lip. Between the legs of the U's the photovoltaic module is introduced and by the lamellar effect the clamp keeps to the module and doesn't slip. Modules of that kind mentioned in the beginning are known e.g. from the print DE 20 2009 016 735 A 1 and they have in principle the design as shown in figure 1. A glass plate forms the first outer layer 1 facing the sun. The second outer layer 3 facing the ground is -2 made of a resin, e.g. Tedlar. In between the two outer layers 1, 3 there is an insulating layer 5, where photovoltaic cells 7 are embedded. The PV-cells 7 are connected by not shown electrical connections. From the longitudinal edges 9 extends a border area 11, where no photovoltaic cells 7 are installed. Normally modules of this design are enclosed by a frame, which protects the outer edges (longitudinal- and/or transverse edges), in particular the resin layer 3 against damage. This framing is expensive and can cause disadvantages concerning the operation of the module. Foliage, branches and the like can get stuck and can cover a PV-cell 7. That evokes a breakdown of the complete module, as the cells 7 are connected in series electrically. The present invention assumes that when leaving out the framing disadvantages concerning the durability of the PV-module can result, as shown in figure 2 and as explained subsequently. The modules are fixed by four brackets 13 to a module mounting rail 15 of a not shown substructure for the photovoltaic plant. The bracket 13 comprises two clamp jaws 19a, 19b, whose internal side is laid with respectively two rubber pads 21a, 21b. The first rubber pad 21a rests on the glass surface 1 and the second rubber pad 21b rests on the resin surface 3. By windload that causes a swinging and thus bending of the PV-modules, a process of emerizing can result during the years of operation that presses the insulating layer 5 into the resin outer surface 3, as shown strongly exaggerated because of clearness in figure 2. Tension cracks are the result as indicated by arrows 23. This damage of the resin outer surface 3 causes an entry of moisture, which decomposes the insulating layer 5 and which can evoke an output deficit or even a breakdown of the PV- module because of arising short-circuits. Based on those considerations the invention has set itself the task to leave out the framing for modules of the said kind and nevertheless avoid expectable disadvantages. At the same time the convenient use of simple rubber free mounting brackets accompanying with modules with double layered glass plates is to be provided.
This task is according to the invention solved by connecting on the resin outer layer at least one protective plate, which covers at least one indicated clamping range permanently. -3 The resin outer surface is generally made of the undersurface of a resin layer, whose upper surface faces the photovoltaic cells and the glass pane. So the upper surface joins the insulating layer, whereas the undersurface is nonattached apart from the range of the protective plate. Instead of a resin layer, any other resin parts can be used, to build the resin outer layer. For example it can be applied like a thin resin coating on a base material or directly on an insulating layer, or there can be used a thin resin plate or the like. Important is the, in relation to glass, comparatively light layout of the laminate right at the bottom, whose laminate structure builds the photovoltaic module as a whole. By the permanent fixing of the resin outer surface, the future effect of emerizing with its abrasion and its resulting scratches and cracks is shifted to a process of emerizing between the protective plate and the rubber pad. The resin surface of the liquid blocking layer remains safe and maintains its function. Photovoltaic modules have by the manufacturers specified ranges, where the clamps have to be fixed. Concerning the general use of four clamping units per module, the clamps jaws are as a rule at the longitudinal edges of the PV-module ca. after one quarter of the length of the longitudinal edge and the other ca. after three quarters of the length of the longitudinal edge on every side. In this range the protective plates are fixed permanently to -4the photovoltaic module. When in the present invention 'range' or 'clamping range' are discussed, so it is not referred to the range of pressure impressed directly by the clamp jaws, but it is referred to an area exceeding this range of pressure. Thus the protective plate extends preferably over the double up to the quadruple area around the characteristic clamping range below the clamp jaws. It is also possible to substitute the two protective plates at the same longitudinal edge of the photovoltaic module by a single protective plate, extending over the two by the manufacturer recommended clamping ranges. Then this only protective plate per longitudinal edge can exceed the specified clamping range and can e.g. extend over the complete longitudinal edge. For gaining a smooth reduction of the initiated clamping force the edges of the protective plate are slanted at three sides, where the protective plate is mounted on the resin outer surface. Thus joining techniques in particular adhesion or welding come into question. A suitable material for the safety screen is steel, aluminum, carbon, Teflon, or a rigid plastic. Also glass or ceramic are suitable. The material should be harder than the one that is used for the rubber pads, so when the PV-module is bending e. g. during a storm, a sliding of the rubber pad on the safety screen is provided. The obvious way of mounting of the photovoltaic module provides, that it is fixed to a substructure by a two clamp jaws clasping module bracket, whose one clamp jaw is placed on the protective plate and whose second clamp jaw is placed on the glass pane. A new method of fastening is solved in the present invention by the PV-module, whereby it is fixed to a substructure by a - one single clamp jaw possessing - module clamp, while the protective plate rests directly on the substructure. Additionally savings, concerning layings and the raw material of the module bracket, are important factors. -5- At the before explained embodiment it can be useful to provide the protective plate with embodiments to achieve further functions. Thus the protective plate can have a vertically sticking out centering pin, that is inserted in a cut-out of a module mounting rail of the substructure, and that protects the photovoltaic module against getting out of place. That allows the resting of PV-modules on a larger area, without fixing them by module brackets or without even placing the module brackets first. Subsequently module brackets can be set and screwed on a larger quantity of modules. A tedious changing of tools or a laying aside of the assembly tools after every mounted PV-module is obsolete. Another additional function results, when the protective plate comprises two parallel bars, whose distance corresponds to the width of the module mounting rail of the substructure. That method simplifies an adjustment of PV-modules for gaining a field of adjusted PV modules attached at regular intervals. Furthermore it is of advantage that between the protective screen and the longitudinal edge of the rectangular module a distance between 2 mm and 20 mm is kept. This method avoids an accumulation of rainwater between the clamp and the module at the- for the long-term stability critical -adhesion edge. Finally another additional function can be achieved at the protective plate by a nose protruding over the longitudinal edge of the resin layer. The nose serves as a guide when the modules are put into a stacking box, which has lateral a transport stacking-rail. That enables a transport of the box, which is not bound in directions and which would be otherwise necessary to avoid a damaging of modules. Further advantages embodiments of the invention result from the description of an example referring to the figures. They show: -6-
Claims (10)
1. A rectangular photovoltaic module with a first outer surface (1) made of glass and a second outer surface (3) made of resin and providing a moisture barrier, characterized in that on the resin outer surface (3) at the two longitudinal edges (9) in particular extending from them, in each case at least one protective plate (27) is permanently fixed to the resin outer surface (3), whereby the protective plate covers a predefined clamping area.
2. The photovoltaic module as defined in claim 1, characterized in that at each longitudinal edge (9) two protective plates (27) are provided, from which one is placed at approximately one quarter of the length of the longitudinal edge and the other is placed at approximately three quarters of the length of the longitudinal edge.
3. Photovoltaic module as defined in claim 1 or 2, characterized in that the edges of the protective plate (27) are at least partially slanted.
4. Photovoltaic module as defined in one of the claims 1 to 3, characterized in that the protective plate (27) is provided with a water drop release (49) at both corners facing the module side of the longitudinal edge (9).
5. Photovoltaic module as defined in one of the claims 1 to 4, characterized in that the protective plate (27) is made out of aluminum, carbon, glass, Teflon or a rigid plastic.
6. Photovoltaic module as defined in one of the claims 1 to 5, characterized in that it is fixed to a substructure (fig. 4) by a module bracket (13) comprising two clamp jaws (19a, 1 9b), one of the clamp jaws (1 9b) being placed onto the protective plate (27) and the other clamp jaw (1 9a) being placed onto the glass plate (1).
7. Photovoltaic module as defined in one of the claims 1 to 5, characterized in that it is fixed to a substructure by a module bracket (13) comprising a single clamp jaw (19a), whereby the protective plate (27) rests directly on the substructure (fig. 5).
8. Photovoltaic module as defined in claim 7, characterized in that the protective plate (27) has a vertically sticking out centering pin (37) that is inserted in an aperture (39) of a module mounting rail (35) of the substructure, and that protects the photovoltaic module against sliding.
9. Photovoltaic module as defined in claim 7 or 8, characterized in that the protective plate (27) has two parallel bars (41 a, 41 b) and the distance (A) between the two parallel bars corresponds to the width of the module mounting rail (35) of the substructure.
10. Photovoltaic module as defined in one of the claims 1 to 9, characterized in that between the protective plate (27) and the longitudinal edge (9) a distance between 2 mm and 20 mm is maintained.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010050052.6 | 2010-10-29 | ||
| DE102010050052A DE102010050052A1 (en) | 2010-10-29 | 2010-10-29 | Photovoltaic module with protective screen |
| PCT/EP2011/005395 WO2012055547A2 (en) | 2010-10-29 | 2011-10-26 | Photovoltaic module having a protective disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2011323009A1 true AU2011323009A1 (en) | 2013-05-30 |
Family
ID=44993518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2011323009A Abandoned AU2011323009A1 (en) | 2010-10-29 | 2011-10-26 | Photovoltaic module having a protective disk |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2633560B1 (en) |
| AU (1) | AU2011323009A1 (en) |
| DE (1) | DE102010050052A1 (en) |
| ES (1) | ES2661817T3 (en) |
| PL (1) | PL2633560T3 (en) |
| WO (1) | WO2012055547A2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3036748B1 (en) | 2015-06-01 | 2017-07-07 | A Raymond Et Cie | PANEL AND FIXING DEVICES THEREFOR |
| WO2017031516A1 (en) * | 2015-08-21 | 2017-03-02 | Guger Forschungs Gmbh | Photovoltaic module |
| KR20190038969A (en) * | 2017-10-02 | 2019-04-10 | 엘지전자 주식회사 | Solar cell panel and method for manufacturing the same |
| IT201900000397A1 (en) * | 2019-01-10 | 2020-07-10 | Ariston Thermo Spa | FIXING MEANS FOR A SOLAR PANEL |
| TWI684734B (en) * | 2019-06-26 | 2020-02-11 | 友達光電股份有限公司 | Fixing assembly of plates |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9401741U1 (en) * | 1994-02-03 | 1994-04-07 | Deutsche Aerospace | Device for the mechanical fastening of a photovoltaic frameless solar module |
| US6672018B2 (en) * | 2001-10-12 | 2004-01-06 | Jefferson Shingleton | Solar module mounting method and clip |
| DE202007008659U1 (en) * | 2007-06-18 | 2007-08-23 | Solarmarkt Ag | Solar module mounting system |
| JP4285764B2 (en) * | 2007-11-09 | 2009-06-24 | 昭和シェル石油株式会社 | Solar cell module |
| WO2009086150A1 (en) * | 2007-12-21 | 2009-07-09 | Unirac, Inc. | Soft-faced clamp for photovoltaic frameless modules and laminates |
| GB2456166B (en) * | 2008-01-04 | 2012-01-25 | Pv Systems Ltd | A photovoltaic panel |
| DE102008009608A1 (en) * | 2008-02-18 | 2009-10-15 | Niemetz Metall Gmbh | Planar element and clamping device combination, has planar element including profile rib for clamping device, where profile rib is formed with constrictions that oppose one another, and constrictions form undercuts for clamping device |
| DE202008002264U1 (en) * | 2008-02-18 | 2008-05-21 | Vm Edelstahltechnik Gmbh | Holding device for plate-shaped elements |
| DE102008050529A1 (en) * | 2008-10-06 | 2010-04-15 | Sunfilm Ag | Photovoltaic system, photovoltaic module, substructure and method for equipping a photovoltaic system |
| DE102008051249A1 (en) * | 2008-10-10 | 2010-04-29 | Sunfilm Ag | Photovoltaic system, photovoltaic module and method for equipping a photovoltaic system |
| US8240109B2 (en) * | 2009-03-20 | 2012-08-14 | Northern States Metals Company | Support system for solar panels |
| DE102009016735A1 (en) * | 2009-04-09 | 2010-10-21 | Schott Ag | Photovoltaic modules with reduced weight |
| DE102009035996B4 (en) * | 2009-05-19 | 2013-09-12 | Joma-Polytec Gmbh | Mounting system for photovoltaic modules on carrier strips comprising holding parts with a metallic hook element |
| DE202009014048U1 (en) * | 2009-10-15 | 2010-02-11 | Vm Edelstahltechnik Gmbh | Clamping device for plate-shaped elements |
-
2010
- 2010-10-29 DE DE102010050052A patent/DE102010050052A1/en not_active Withdrawn
-
2011
- 2011-10-26 WO PCT/EP2011/005395 patent/WO2012055547A2/en active Application Filing
- 2011-10-26 PL PL11784590T patent/PL2633560T3/en unknown
- 2011-10-26 AU AU2011323009A patent/AU2011323009A1/en not_active Abandoned
- 2011-10-26 EP EP11784590.9A patent/EP2633560B1/en not_active Not-in-force
- 2011-10-26 ES ES11784590.9T patent/ES2661817T3/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010050052A1 (en) | 2012-05-03 |
| ES2661817T3 (en) | 2018-04-04 |
| PL2633560T3 (en) | 2018-06-29 |
| WO2012055547A2 (en) | 2012-05-03 |
| EP2633560A2 (en) | 2013-09-04 |
| WO2012055547A3 (en) | 2013-03-14 |
| EP2633560B1 (en) | 2017-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK5 | Application lapsed section 142(2)(e) - patent request and compl. specification not accepted |