WO2012017994A1 - Module de cellule solaire - Google Patents

Module de cellule solaire Download PDF

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Publication number
WO2012017994A1
WO2012017994A1 PCT/JP2011/067621 JP2011067621W WO2012017994A1 WO 2012017994 A1 WO2012017994 A1 WO 2012017994A1 JP 2011067621 W JP2011067621 W JP 2011067621W WO 2012017994 A1 WO2012017994 A1 WO 2012017994A1
Authority
WO
WIPO (PCT)
Prior art keywords
solar cell
frame
cell panel
insulating member
cell module
Prior art date
Application number
PCT/JP2011/067621
Other languages
English (en)
Japanese (ja)
Inventor
剛之 粟生
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Publication of WO2012017994A1 publication Critical patent/WO2012017994A1/fr

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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
    • 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 present invention relates to a solar cell module, particularly a solar cell module provided with a frame.
  • the solar cell module 1 is formed of a metal such as aluminum on the solar cell panel 10 including the solar cells 11 in order to withstand various environmental loads such as a load caused by snow and a pressure applied by wind.
  • a frame 20 is attached.
  • the strength is ensured not only by the surface member 12 but also by the frame 20. Therefore, when the solar cell module 1 is enlarged, it is not necessary to increase the thickness of the surface member 12 and increase the weight. It can be suppressed and handling becomes easy. Furthermore, there is an advantage that the power generation efficiency can be improved by increasing the amount of light transmitted by reducing the thickness of the surface member 12.
  • the above-described frame 20 is provided with a recess 22 having a substantially C-shaped cross section that is fitted into the periphery of the solar cell panel 10.
  • the solar cell panel 10 is attached by fitting the periphery of the solar cell panel 10 into the recess 22. And in order to ensure sealing performance and withstand voltage property, fixing to the recessed part 22 of the flame
  • the solar cell panel 10 is made of a transparent material such as EVA (ethylene vinyl acetate) excellent in weather resistance and moisture resistance between a surface member 12 such as glass having translucency and a back film 13 made of a weather resistant resin film.
  • a power generation unit 10a composed of a plurality of solar cells 11 electrically connected to each other by a wiring material (not shown) made of a conductive material such as copper foil is sealed with a sealing material 14 having light properties.
  • the insulation between the power generation unit 10 a and the frame 20 in the solar cell panel 10 can be improved.
  • the solar cell panel 10 bends, the back film 13 of the solar cell panel 10 may come into contact with the frame 20, and the back film 13 may be damaged. There is.
  • the back film 13 is scratched and the power generation unit 10a is exposed, there is a problem that the insulation between the power generation unit 10a and the frame 20 is lowered.
  • the solar cell panel 10 is bent by wind or the like, and the back film 13 may come into contact with the frame 20 as shown in FIG.
  • the back film 13 and the frame 20 are in contact with each other, the back film 13 is damaged, and the aluminum foil 13b of the back film 13 is exposed, the insulation between the aluminum foil 13b and the frame 20 is obtained. There was a problem that would decrease.
  • An object of the present invention is to provide a solar cell module excellent in insulation, which has been made to solve the above problems.
  • the present invention is inserted between a solar cell panel, a frame having a recess into which a peripheral edge of the solar cell panel is fitted, and a peripheral edge of the solar cell panel and a recess of the frame, and the solar cell panel is framed
  • the thickness of the insulating member disposed on the back surface side is larger than the thickness of the insulating member disposed on the front surface side, the distance between the back film and the frame is ensured, and sufficient insulation is achieved. It can be set as the solar cell module which has property.
  • FIG. 1 is a plan view showing a solar cell module according to a first embodiment of the present invention.
  • a solar cell module 1 according to the present invention includes a solar cell panel 10 and a frame 20 made of a metal such as aluminum that supports the solar cell panel 10.
  • the frame 20 includes a first frame 20 a provided along a pair of short sides of the solar cell panel 10 and a second frame 20 b provided along a pair of long sides of the solar cell panel 10.
  • the first frame 20a and the second frame 20b are connected to each other at their longitudinal ends, and the first frame 20a and the second frame 20b are alternately connected to form the frame 20.
  • the solar cell panel 10 is supported by the frame 20.
  • Such a solar cell module 1 is used by being attached to an installation stand (not shown) or the like.
  • the length of the first frame 20a is about 800 to 900 mm
  • the length of the second frame 20b is about 1500 mm to 1600 mm.
  • the present invention is not limited to this, and can have various sizes. .
  • the solar cell panel 10 is formed in a substantially rectangular shape in plan view. As shown in FIGS. 1 to 3, the solar cell panel 10 includes a power generation unit 10 a in which a plurality of solar cells 11 are electrically connected to each other by a wiring material 102 made of a conductive material such as copper foil. Between the surface member 12 having heat resistance and the back film 13 made of a weather resistant film, it is sealed with a light-transmitting sealing material 14 such as EVA having excellent weather resistance and moisture resistance.
  • a light-transmitting sealing material 14 such as EVA having excellent weather resistance and moisture resistance.
  • the plurality of solar cells 11 connected in series by the wiring member 102 constitutes a string 110 that is a unit.
  • Adjacent strings 110, 110 are connected at one end by connection wiring, so-called crossover wiring 111.
  • the other end portion is connected to a lead line 112 for leading the outputs from the plurality of solar cell strings 110 to the outside.
  • the solar cell 11 is made of a crystalline semiconductor made of, for example, single crystal silicon or polycrystalline silicon and has a substantially square shape.
  • the solar cell 11 is not limited to this, and other solar cells are used. May be.
  • the solar cell 11 has, for example, an n-type region and a p-type region formed in the solar cell 11, and a junction for forming an electric field for carrier separation at an interface portion between the n-type region and the p-type region. It is good also as what is formed.
  • the surface member 12 is a light-transmitting plate material that allows light to enter the solar cell 11.
  • a glass plate such as white plate glass, tempered glass, or heat reflection glass, or a synthetic resin plate such as polycarbonate resin is used.
  • the back film 13 may be polyvinyl fluoride (PVF), polyethylene terephthalate (PET), polyethylene naphthalate (PEN), a laminate of these, or a PET film with an aluminum foil sandwiched therebetween.
  • PVF polyvinyl fluoride
  • PET polyethylene terephthalate
  • PEN polyethylene naphthalate
  • the solar cell module 1 according to the embodiment of the present invention is fitted into a metal frame 20 using an insulating member (packing) 40 at the peripheral edge of the solar cell panel 10.
  • a terminal box (not shown) is provided on the surface of the back film 13, for example.
  • the insulating member 40 is not particularly limited as long as it is an insulating resin material having a buffering action, and is formed from various rubber moldings.
  • EPDM ethylene / propylene / diene rubber
  • ethylene / propylene rubber ethylene / propylene terpolymer
  • silicone rubber polyurethane rubber, polyamide rubber, natural rubber, polyisobutylene, polyisoprene, chloroprene rubber, butyl rubber, nitrile butyl rubber, Styrene / butadiene rubber, styrene / butadiene / styrene rubber, styrene / isoprene / styrene rubber, styrene / ethylene / butadiene rubber, styrene / ethylene / butylene / styrene rubber, styrene / isoprene / propylene / styren
  • the first frame 20a and the second frame 20b constituting the frame 20 are made of, for example, aluminum, iron, stainless steel, or the like and formed by extrusion molding or the like. These frames 20a and 20b are positioned at the upper part of the main body portion 21 and the main body portion 21 having a hollow structure, and the cross section in which the peripheral portion of the solar cell panel 10 is fitted via an insulating member 40 made of an insulating resin such as butyl rubber is C-shaped. A concave portion 22 is formed.
  • a rectangular attachment portion 27 into which an L-shaped joining member (not shown) is press-fitted is provided at the end of the frame 20a and the end of the frame 20b.
  • frame 20 is formed when the joining member is each press-fitted in the attaching part 20 of the flame
  • the joining member press-fitted into the attachment portion 27 is formed of aluminum or the like.
  • the joining member is press-fitted into the attachment portion 27 of one frame 20b (20a), and the joining member is fixed to the frame 20b (20a). Thereafter, the other of the joining members is press-fitted into the attachment portion 27 of the other frame 20a (20b), and the frames 20a and 20b are fixed.
  • the insulating member 40 has a recess 42 having a substantially C-shaped cross section, and is formed extending linearly in the longitudinal direction.
  • the peripheral part of the solar cell panel 10 is fitted in the recessed part 42 of the insulating member 40 so that the insulating member 40 may cover the peripheral part of the solar cell panel 10. That is, the insulating member 40 is configured to have the concave portions 42 at the front surface portion 40a, the back surface portion 40b, and the side surface portion 40c.
  • the surface part 40a, the back surface part 40b, and the side surface part 40c of the insulating member 40 are the surface part 40a on the surface member 12, the back surface part 40b on the back film 13, and the side surface of the solar cell panel 10, respectively. It arrange
  • the thickness of the back surface portion 40b is formed to be thicker than the thickness of the front surface portion 40a.
  • the thickness of the side member 40c and the surface member 40a located in the surface side should just have the thickness which can ensure the insulation between the solar cell panel 10 and the flame
  • the thickness of the front surface member 40a is, for example, 0.5 mm to 2 mm
  • the thickness of the back surface portion 40b is, for example, 1 mm to 4 mm.
  • the insulating member 40 is fitted and fixed to the peripheral part of the solar cell panel 10. At this time, the insulating member 40 is attached and fixed so that the back surface portion 40b is positioned on the back film 13 side of the solar cell panel 10. Next, the solar cell panel 10 in which the insulating member 40 is mounted is pressed into the recess 22 of the frame 20. Specifically, the periphery of the solar cell panel 10 is inserted into the recess 22 of the frame 20 so that the periphery of the solar cell panel 10 is sandwiched between the recesses 22 of the frame 20 via the insulating member 40.
  • the insulating member 40 is sandwiched between the recesses 22 of the frame 20, and the peripheral portion of the solar cell module 10 is fixed to the frame 20 via the insulating member 40.
  • the insulating member 40 is pressed into the recess 22 of the frame 20 so that the volume of the insulating member 40 is compressed to 10 to 90% by volume, preferably 20 to 80% by volume.
  • the solar cell module 1 in which the solar cell panel 10 is sealed by the insulating member 40 and the insulating member 40 is fixed by the frame 20 can be assembled.
  • the solar cell panel 10 when the solar cell panel 10 is attached to the recess 22 of the frame 20 via the insulating member 40, the insulating member positioned on the back surface side than the thickness of the surface member 40 a of the insulating member 40 positioned on the front surface side. Since the thickness of the back surface portion 40b of 40 is large, the distance between the back film 13 and the frame 20 can be increased. As a result, the power generation unit 10a of the solar cell panel 10 and the aluminum foil or the like in the case where the aluminum foil is sandwiched between the back film 13 and the solar cell panel 10 are subjected to a pressure such as wind, so that a sufficient insulation distance can be obtained even if it bends. Can be secured.
  • this insulating member 40 acts as a buffer layer, it can be fixed to the frame 20 of the solar cell panel 10 satisfactorily.
  • the insulating member 40 has a voltage resistance, the insulating property of the solar cell module 1 can be improved.
  • the back surface portion 40b of the insulating member 40 disposed on the back film 13 side is more than the surface portion 40a of the insulating member 40 disposed on the surface member 12 side.
  • the solar cell panel 10 is formed long in the direction from the peripheral edge toward the center.
  • the back surface portion 40b of the insulating member 40 disposed on the back film 13 is, for example, 1 to 30 mm, preferably 10 to 20 mm, from the surface member 40a of the insulating member 40 disposed on the surface member 12 side. It is formed long. Thus, insulation is further improved by forming the back surface part 40b long.
  • the surface of the concave portion 22 of the frame 20 facing the back film 13 of the solar cell panel 10 is formed as an inclined tapered surface 26a.
  • the recessed part 22 is formed so that the opening part of the recessed part 22 may be wide, and it may become wide in the direction which goes inside from the peripheral part of the solar cell panel 10.
  • positioned at the back surface side is formed so that it may become thick in the direction which goes inside from the peripheral part of the solar cell panel 10.
  • the tapered surface 26a is provided in the concave portion 22 and the insulating member 40 is formed in a shape along the tapered surface shape, the insertion of the solar cell panel 10 and the frame 20 is performed along the tapered surface, The press-fitting work becomes easy.
  • the back surface portion 40 b ′ of the insulating member 40 disposed on the back film 13 side is more than the surface portion 40 a of the insulating member 40 disposed on the surface member 12 side.
  • the solar cell panel 10 is long in the direction from the peripheral edge toward the inside. More specifically, the back surface portion 40b ′ of the insulating member 40 disposed on the back film 13 is formed, for example, by 1 to 30 mm, preferably 10 to 20 mm longer than the surface portion 40a disposed on the surface member 12 side. Has been. As described above, the insulating portion is further enhanced by forming the back surface portion 40b 'long.
  • the insulation distance between the aluminum foil of the back film 13 and the frame 20 is sufficiently secured by the thickness of the back surface portion 40b of the insulating member 40 even in the PET film sandwiching the aluminum foil as the back film 13. can do.

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  • Photovoltaic Devices (AREA)

Abstract

L'objet de la présente invention est de fournir un module de cellule solaire doté d'une excellente tension de tenue. Le module de cellule solaire selon la présente invention comprend un panneau solaire (10), un cadre (20) qui est pourvu d'une zone concave (22) où le bord périphérique du panneau solaire (10) est ajusté, et un élément isolant (40) qui est inséré entre le bord périphérique du panneau solaire (10) et la zone concave (22) du cadre (20) de manière à fixer le panneau solaire (10) sur la zone concave (22) du cadre (20). L'élément isolant (40) est formé de manière à présenter une épaisseur de la surface arrière supérieure à l'épaisseur de la surface avant du panneau solaire (10) sur au moins le côté d'insertion du panneau solaire (10) de la zone concave (22).
PCT/JP2011/067621 2010-08-02 2011-08-01 Module de cellule solaire WO2012017994A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010173244 2010-08-02
JP2010-173244 2010-08-02

Publications (1)

Publication Number Publication Date
WO2012017994A1 true WO2012017994A1 (fr) 2012-02-09

Family

ID=45559491

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/067621 WO2012017994A1 (fr) 2010-08-02 2011-08-01 Module de cellule solaire

Country Status (1)

Country Link
WO (1) WO2012017994A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013024738A1 (fr) * 2011-08-12 2013-02-21 フジプレアム株式会社 Module de cellule solaire
ITPS20120008A1 (it) * 2012-05-08 2013-11-09 Alluminia Srl Struttura di telaio modulare polivalente per pannelli fotovoltaici solari ed ibridi

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08148710A (ja) * 1994-11-17 1996-06-07 Daido Hoxan Inc 太陽電池モジュールパネルの外側端部に金属フレームを嵌着する方法
JP2003078154A (ja) * 2001-09-06 2003-03-14 Mitsubishi Heavy Ind Ltd 太陽電池モジュール枠の取り合い構造
JP2004153010A (ja) * 2002-10-30 2004-05-27 Sharp Corp 太陽電池モジュールの端面封止部材及びそれを用いた太陽電池モジュール
JP2005277260A (ja) * 2004-03-26 2005-10-06 Takechi Kogyo Gomu Co Ltd 太陽電池パネルの取付構造
JP2005294455A (ja) * 2004-03-31 2005-10-20 Msk Corp 太陽電池モジュール

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08148710A (ja) * 1994-11-17 1996-06-07 Daido Hoxan Inc 太陽電池モジュールパネルの外側端部に金属フレームを嵌着する方法
JP2003078154A (ja) * 2001-09-06 2003-03-14 Mitsubishi Heavy Ind Ltd 太陽電池モジュール枠の取り合い構造
JP2004153010A (ja) * 2002-10-30 2004-05-27 Sharp Corp 太陽電池モジュールの端面封止部材及びそれを用いた太陽電池モジュール
JP2005277260A (ja) * 2004-03-26 2005-10-06 Takechi Kogyo Gomu Co Ltd 太陽電池パネルの取付構造
JP2005294455A (ja) * 2004-03-31 2005-10-20 Msk Corp 太陽電池モジュール

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013024738A1 (fr) * 2011-08-12 2013-02-21 フジプレアム株式会社 Module de cellule solaire
ITPS20120008A1 (it) * 2012-05-08 2013-11-09 Alluminia Srl Struttura di telaio modulare polivalente per pannelli fotovoltaici solari ed ibridi
EP2662643A1 (fr) * 2012-05-08 2013-11-13 Alluminia S.r.l. Structure de cadre modulaire pour panneaux photovoltaïques, solaires et hybrides

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