WO2015128433A1 - Photovoltaik-modul - Google Patents
Photovoltaik-modul Download PDFInfo
- Publication number
- WO2015128433A1 WO2015128433A1 PCT/EP2015/054071 EP2015054071W WO2015128433A1 WO 2015128433 A1 WO2015128433 A1 WO 2015128433A1 EP 2015054071 W EP2015054071 W EP 2015054071W WO 2015128433 A1 WO2015128433 A1 WO 2015128433A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composite
- frame
- face
- photovoltaic module
- spacer
- Prior art date
Links
- 239000002131 composite material Substances 0.000 claims abstract description 63
- 125000006850 spacer group Chemical group 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 16
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 9
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 7
- 239000005038 ethylene vinyl acetate Substances 0.000 description 7
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 7
- 230000002950 deficient Effects 0.000 description 5
- 230000006750 UV protection Effects 0.000 description 4
- 230000032798 delamination Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- NWFNSTOSIVLCJA-UHFFFAOYSA-L copper;diacetate;hydrate Chemical compound O.[Cu+2].CC([O-])=O.CC([O-])=O NWFNSTOSIVLCJA-UHFFFAOYSA-L 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation 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
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
-
- 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
-
- 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
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
Definitions
- Photovoltaic modules typically include photovoltaic cells on which an EVA (ethylene vinyl acetate) layer and a final glass sheet are applied.
- EVA ethylene vinyl acetate
- a so-called Tedlar film with at least one polyvinyl fluoride layer (PVF) is usually provided (so-called backsheet), which is intended to protect the film on the underside from environmental influences.
- PVF polyvinyl fluoride layer
- backsheet polyvinyl fluoride layer
- the Tedlar film serves as a moisture barrier.
- this composite comprising cells, EVA layer, glass pane and Tedlar foil, is accommodated by a surrounding aluminum frame, consisting mostly of four aluminum profile struts, wherein a cross-sectionally U-forming seal between the composite cells / EVS / glass pane / Tedlar and the frame is provided.
- the seal can be or become defective, so that water, in particular rainwater, can penetrate into the space between the composite and the frame.
- This can result in a so-called ground fault, in which the generated solar power of the photovoltaic module no longer flows off via the connection lines, but a conductive connection between one of the two tracks of the cells, either the plus or the minus conductor, and the frame of Module is created.
- This constellation is life-threatening, as this current flows when the frame is touched by hand through the body of the person concerned.
- the spacer device creates a continuous path, which makes it possible for water running along the composite surface to drain through the intermediate spaces created according to the invention.
- the spacer device is designed such that a part of it spaced to the at least one edge top side of the composite and another part spaced from the opposite end face of the composite is mounted. This results in a continuous path between the spacer device and the upper edge side and the adjoining end side of the composite, so that no water, in particular in the form of rainwater, can collect more due to a faulty seal between the frame and the composite, which causes a or short circuit.
- the water can now rather run down to the outermost edge of the composite and over its front side.
- the said path is provided at least on that end face of the composite, which is present in the installed state of the module, for example on a pitched roof, on the horizontally extending lower edge of the module.
- an adhesive is introduced from the front side, which is not framed by the frame, between at least two layers of the composite.
- layers here means the layer of the photovoltaic cells, one or more of the films and / or the glass pane. stood.
- the adhesive penetrates between the glass sheet, the EVA layer (if present) and / or the cells and prevents diffusion of, in particular, water vapor, so that the composite remains intact over time. It also holds the layers together so that they do not "fray out” over time, thus preventing delamination.
- the spacer device comprises an elongated profile element which extends along said end face with said distance. It is of course possible that a plurality of adjoining and / or overlapping profile elements are used.
- the spacer device comprises at least one bent and / or angled profile element, preferably L-shaped, which is preferably made of aluminum or VA steel.
- first leg of this elbow is preferably attached to the frame and preferably extends at substantially constant distance along said end face of the composite, while this perpendicular extending second leg with preferably also constant distance over the top of the Edge of the network protrudes.
- the resulting through path leaves room for the passage of water between the second leg and the top of the composite and then subsequently between the first leg and the end face. Down the path is open, allowing water to drain along the outside of the frame.
- the aforementioned embodiment also has the advantage that the said first and second legs of the L-shaped angle piece simultaneously form a UV protection for the above-mentioned, introduced from the front side adhesive, which otherwise in direct UV irradiation on the part of the Sun would become brittle over time so that moisture could penetrate the composite. Even with another curved and / or angled design, such a UV protection can be realized.
- the spacer device is preferably fastened to at least one outer edge of a profile element of the frame, which is arranged below the plane in which the composite underside extends. Preferably here screws or rivets are used.
- the frame is well suited for such attachment of the spacer since it is stable and rigid.
- the relative position and in this case in particular the distance between the spacer device and the opposite frame, in the vicinity of which said end face of the composite is defined defined for which in particular one or more spacers are used.
- spacers for example, nuts, sleeves, washers or similar. used, which are pushed over a rivet, this rivet is used to attach the spacer means on the frame.
- the space between the spacer device and the opposite end side of the composite is then determined.
- the second leg does not need to be extra attached; Rather, it is sufficient if the first leg is attached to the profile element.
- the composite is at its edge on the underside of the frame, so does not protrude beyond the frame. As a result, a secure storage of the composite is guaranteed. At the same time the front is relatively protected against frontal damage.
- the invention also relates to a method with which known photovoltaic elements are machined in such a way, wherein the parts of a profile strut enclosing one end side and top side of the composite are removed. be milled and then the existing there seal is removed. Subsequently, a spacer device is attached to said profile strut at a distance from the exposed top of the composite and at a distance from the exposed end face of the composite. In this way, a continuous path is created between the spacer device and the upper side and the front side of the composite, can run through the water, especially rainwater.
- Fig. 1 is a plan view of a known photovoltaic module
- FIG. 2 is a side view of the photovoltaic module of FIG. 1; FIG.
- Fig. 3 is a section along A-A in Fig. 1;
- FIG. 4 shows the enlarged detail B from FIG. 1;
- FIG. 5 is a plan view of a photovoltaic module according to the invention.
- Fig. 6 is a side view of the photovoltaic module of Fig. 5;
- Fig. 7 is a section along A-A in Fig. 5;
- Fig. 8 shows the enlarged detail B of FIG. 6,
- a known from the prior art photovoltaic module 101 (hereinafter also referred to as module 101) shown, the surrounding a frame 2 and a composite frame 2 10 includes.
- the composite 10 is known to have arranged in a plane photovoltaic cells on which an EVA film and on this a glass sheet is arranged. On the underside of the cells, a Tedlar film may be attached.
- Tedlar film On the underside of the cells, a Tedlar film may be attached.
- the composite 10 as a whole is reproduced in the figures, ie its elements (cells, foils, glass pane) are not shown in detail.
- the composite 10 rests on four interconnected profile struts, the transverse profile struts 3a, 3b and the longitudinally extending profile struts 4a, 4b, of the frame 2 (see Fig. 1).
- the transverse profile strut 3a is defined herein as the one that o.ä. When installing the module 101 on a pitched roof. whose horizontal lower edge forms. Water, which hits the module 101, thus runs on the glass in the direction of this profile strut 3a.
- the frame 2 has a circumferential double-walled construction as seen in cross-section, the elongated side walls 5a, 5b extending perpendicular to the photovoltaic cells and the walls 6a, 6b extending perpendicularly to the side walls 5a, 5b one
- a peripheral frame leg 8 is provided parallel to and spaced from the wall 6b, which is connected to the wall 6b via an extension 5c of the side wall 5b.
- the frame leg 8, the extension 5c and the wall 6b form a circumferential recess 9, in which the composite 10 is inserted.
- a seal 14 is introduced into the trough 9, which has a substantially U-shaped cross-section (see Fig. 3).
- the invention proposes a photovoltaic module 1 (or just called module 1) according to FIGS. 5-9, which compared to the known photovoltaic module 101 according to FIG. 1 -4 has some modifications, which will be based on the following the - be carried out starting from a module 101 - process steps to be performed.
- a known photovoltaic module 101 (the modified photovoltaic module according to the invention 1 is given the reference numeral 1, which is used in the following), whose o.g. potential or already occurring vulnerabilities should be eliminated.
- the photovoltaic module 1 is cleaned so that dirt does not adversely affect the final result.
- the frame 2 is milled, the extension 5c and the frame leg 8 of the profile brace 3a are removed.
- the defective seal 14 is peeled off at the end face 15 and the edge-side exposed upper side 1 1 of the composite 10 and the exposed end face 15 of the composite 10 is cleaned. This serves u.a. also to the fact that in a previously defective seal 14 incurred verdigris is eliminated.
- an adhesive 16 is then inserted from the exposed front side 15 of the composite 10. presses that these layers stick together and possibly the front side is closed. The layers thus remain firmly together and do not split. Also, no water vapor can penetrate.
- drilled holes 18 are bored in the side walls 5a and 5b of the profile brace 3a of the frame 2, which are used to receive rivets, screws or the like. (s.u.) are suitable.
- two boreholes 18 are each provided with each other, wherein at least two such pairs of boreholes 18 are drilled at the two outer ends of the profile brace 3a.
- the intermediate section also such pairs of holes can be provided.
- a spacing device 20 is attached to the profile strut 3 a at a distance d 2 (see FIG. 7), for example 8 mm, to the end face 15 of the composite 10.
- the spacer device 20 according to the embodiment of FIGS. 5-9, an L-shaped elbow 21 having a first leg 22 which - when the elbow 21 is attached to the frame 2 - parallel to the end face 15 and the side walls 5a, b extends and a second leg 23, which is aligned at right angles to the first leg 22 and protrudes beyond the cavity 7 and the composite 10, wherein a distance d1 (see Fig. 7) to the top 1 1 of the composite 10 is maintained.
- the distance is for example 1 or 2 mm.
- the first leg 22 of the elbow 21 is fixed by means of double rivets 25 on the profile strut 3a, wherein the mutual distance d2 is determined by a respective spacer 26 placed between them, here in the form of a hexagon nut.
- the second leg 23 also provides an effective UV protection for the adhesive 16, since the solar radiation can not reach the adhesive 16 directly.
- FIG. 8 which shows a side view of a section of a photovoltaic module 1 according to the invention
- the path of the water through the path 28 is indicated by means of an arrow f1.
- the hidden in the side view shown path 28 is shown in phantom here.
- the invention relates both to the method for processing existing photovoltaic modules and to the resulting modules themselves.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/120,834 US20160365831A1 (en) | 2014-02-28 | 2015-02-26 | Photovoltaic module |
CN201580011137.XA CN106031026A (zh) | 2014-02-28 | 2015-02-26 | 光伏模块 |
EP15707913.8A EP3111551A1 (de) | 2014-02-28 | 2015-02-26 | Photovoltaik-modul |
CA2940782A CA2940782A1 (en) | 2014-02-28 | 2015-02-26 | Photovoltaic module |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014102729.9A DE102014102729A1 (de) | 2014-02-28 | 2014-02-28 | Photovoltaik-Modul |
DE102014102729.9 | 2014-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015128433A1 true WO2015128433A1 (de) | 2015-09-03 |
Family
ID=52627190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/054071 WO2015128433A1 (de) | 2014-02-28 | 2015-02-26 | Photovoltaik-modul |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160365831A1 (de) |
EP (1) | EP3111551A1 (de) |
CN (1) | CN106031026A (de) |
CA (1) | CA2940782A1 (de) |
DE (1) | DE102014102729A1 (de) |
WO (1) | WO2015128433A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10505492B2 (en) | 2016-02-12 | 2019-12-10 | Solarcity Corporation | Building integrated photovoltaic roofing assemblies and associated systems and methods |
WO2018024801A1 (de) * | 2016-08-02 | 2018-02-08 | Josef Joachim Gmeiner | Photovoltaik-modul, verfahren zur herstellung eines photovoltaik-moduls, profilstrebe für einen profilrahmen, profilrahmen sowie photovoltaik-system |
DE102017112011A1 (de) * | 2017-05-31 | 2018-12-06 | Josef Joachim Gmeiner | Rahmen für ein Photovoltaik-Modul sowie Photovoltaik-System |
US10935282B2 (en) | 2018-03-30 | 2021-03-02 | Sunpower Corporation | Single-walled connecting key framesets |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0419775A2 (de) * | 1989-09-28 | 1991-04-03 | Daimler-Benz Aerospace Aktiengesellschaft | Photovoltaischer rahmenloser Solargenerator |
DE9401741U1 (de) * | 1994-02-03 | 1994-04-07 | Deutsche Aerospace | Vorrichtung zur mechanischen Befestigung eines photovoltaischen rahmenlosen Solarmoduls |
DE29710657U1 (de) * | 1997-06-13 | 1997-08-14 | Genschorek Gido | Vorrichtung zur Befestigung von plattenförmigen Bauteilen, insbesondere von Solarmodulen und Sonnenkollektoren |
US20100065108A1 (en) * | 2008-02-11 | 2010-03-18 | West John R | Method and Apparatus for Forming and Mounting a Photovoltaic Array |
US20100108118A1 (en) * | 2008-06-02 | 2010-05-06 | Daniel Luch | Photovoltaic power farm structure and installation |
DE102009057937A1 (de) * | 2009-12-07 | 2011-06-09 | Solarmarkt Ag | Backrail und Backrail-Adapter für ein rahmenloses mehrschichtiges Solarmodul |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5092939A (en) * | 1990-11-30 | 1992-03-03 | United Solar Systems Corporation | Photovoltaic roof and method of making same |
JP4076742B2 (ja) * | 2001-07-13 | 2008-04-16 | シャープ株式会社 | 太陽電池モジュール |
US8220210B2 (en) * | 2008-06-27 | 2012-07-17 | Sunpower Corporation | Photovoltaic module and module arrays |
EP2423971A4 (de) * | 2009-04-21 | 2013-05-15 | Mitsubishi Electric Corp | Solarbatteriemodul |
JP5666145B2 (ja) * | 2010-01-28 | 2015-02-12 | 三洋電機株式会社 | 太陽電池モジュール |
CN201699020U (zh) * | 2010-06-10 | 2011-01-05 | 常州天合光能有限公司 | 光伏组件组合框架 |
JP6062208B2 (ja) * | 2011-10-31 | 2017-01-18 | 日本板硝子株式会社 | 太陽電池モジュール |
DE102011122126B4 (de) * | 2011-12-22 | 2016-09-15 | Pa-Id Automation & Vermarktung Gmbh | Solarmodul mit einer rahmenförmigen Tragestruktur, einer Photovoltaikschicht mit Trägerschicht, einer Kühlstruktur, einem Wärmeisolationsmaterial und einem Halteelement |
DE102012018761A1 (de) * | 2012-09-24 | 2014-03-27 | Charles Habermann | Vorrichtung zum Führen und Ableiten von festen und flüssigen Stoffen von Solarmodul-Oberflächen |
-
2014
- 2014-02-28 DE DE102014102729.9A patent/DE102014102729A1/de not_active Withdrawn
-
2015
- 2015-02-26 CN CN201580011137.XA patent/CN106031026A/zh active Pending
- 2015-02-26 WO PCT/EP2015/054071 patent/WO2015128433A1/de active Application Filing
- 2015-02-26 US US15/120,834 patent/US20160365831A1/en not_active Abandoned
- 2015-02-26 CA CA2940782A patent/CA2940782A1/en not_active Abandoned
- 2015-02-26 EP EP15707913.8A patent/EP3111551A1/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0419775A2 (de) * | 1989-09-28 | 1991-04-03 | Daimler-Benz Aerospace Aktiengesellschaft | Photovoltaischer rahmenloser Solargenerator |
DE9401741U1 (de) * | 1994-02-03 | 1994-04-07 | Deutsche Aerospace | Vorrichtung zur mechanischen Befestigung eines photovoltaischen rahmenlosen Solarmoduls |
DE29710657U1 (de) * | 1997-06-13 | 1997-08-14 | Genschorek Gido | Vorrichtung zur Befestigung von plattenförmigen Bauteilen, insbesondere von Solarmodulen und Sonnenkollektoren |
US20100065108A1 (en) * | 2008-02-11 | 2010-03-18 | West John R | Method and Apparatus for Forming and Mounting a Photovoltaic Array |
US20100108118A1 (en) * | 2008-06-02 | 2010-05-06 | Daniel Luch | Photovoltaic power farm structure and installation |
DE102009057937A1 (de) * | 2009-12-07 | 2011-06-09 | Solarmarkt Ag | Backrail und Backrail-Adapter für ein rahmenloses mehrschichtiges Solarmodul |
Also Published As
Publication number | Publication date |
---|---|
DE102014102729A1 (de) | 2015-09-03 |
CA2940782A1 (en) | 2015-09-03 |
EP3111551A1 (de) | 2017-01-04 |
CN106031026A (zh) | 2016-10-12 |
US20160365831A1 (en) | 2016-12-15 |
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