WO2011093377A1 - Module de cellules solaires - Google Patents

Module de cellules solaires Download PDF

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Publication number
WO2011093377A1
WO2011093377A1 PCT/JP2011/051594 JP2011051594W WO2011093377A1 WO 2011093377 A1 WO2011093377 A1 WO 2011093377A1 JP 2011051594 W JP2011051594 W JP 2011051594W WO 2011093377 A1 WO2011093377 A1 WO 2011093377A1
Authority
WO
WIPO (PCT)
Prior art keywords
solar cell
cell panel
frame
cell module
rib
Prior art date
Application number
PCT/JP2011/051594
Other languages
English (en)
Japanese (ja)
Inventor
志穂美 中谷
剛 本山
正治 竹中
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 WO2011093377A1 publication Critical patent/WO2011093377A1/fr

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Classifications

    • 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
    • H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
    • 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

  • This invention relates to a solar cell module, and more particularly to a solar cell module provided with a frame.
  • Solar cell modules that photoelectrically convert sunlight and extract power are widely used.
  • the solar cell module is attached with a frame formed of a metal such as an aluminum material on the periphery of the solar cell panel including the solar cell.
  • the above-described solar cell module is fixed by fitting a solar cell panel into the frame with a sealing material interposed between the solar cell panel and the frame.
  • These sealing materials have various shapes and materials, and various proposals have been made for their mounting methods.
  • Patent Document 1 a semi-solid sealing material such as a silicone resin is filled in a sandwiched portion of a frame, and a solar cell panel is fitted into the sandwiched portion so that the semi-solid sealing material is attached to the frame. Dispersion filling between panels is disclosed.
  • FIG. 11 shows a cross-sectional view of the main part of this type of conventional solar cell module.
  • a solar cell 51 is sandwiched between a translucent substrate 52 on the front surface (light receiving surface) side and a weather resistant film 53 in which a metal foil on the back surface side is sandwiched between insulating films,
  • the solar cell panel 50 is configured by filling the internal gap with the transparent resin 54.
  • a structure in which four aluminum frames 60 are fitted into the peripheral edge portion of the solar cell panel 50 via a sealing material 40 to form a solar cell module 61 is general.
  • the bending and deformation of the solar cell panel end portion become large. Due to this deformation, when the solar cell panel is fitted into the frame, the weather-resistant film on the back side may rub against the edge of the frame and the weather-resistant film may be scratched, so the solar cell panel is fitted into the frame. At that time, it was necessary to pay attention to bending and the like.
  • the solar cell module according to the present invention is a solar cell module in which a frame is attached to a peripheral portion of a solar cell panel, and the frame includes a fitting portion into which the peripheral portion of the solar cell panel is fitted via a sealing material.
  • the fitting portion includes an opening into which a peripheral portion of the solar cell panel is inserted, an upper surface portion facing the surface of the solar cell panel, and a lower surface portion facing the back surface of the solar cell panel;
  • a rib portion that rises from a lower surface portion and is continuous with the upper surface portion, and is provided with a rib portion protruding toward the solar cell panel in the vicinity of the peripheral portion of the solar cell panel of the lower surface portion;
  • a tip portion facing the opening side of the tip portion and the rib portion is formed in a chamfered shape.
  • a recess for storing the sealing material is provided in the lower surface portion between the rib portion and the opening portion.
  • the rib portion can be set to a height that creates an area in which the seal material can be stored between the rib portion and the standing wall portion.
  • the protrusion of the sealing material from the fitting portion of the frame is reduced, and the remainder The work of removing the sealing material can be almost eliminated.
  • the tip of the lower surface of the opening and the tip of the rib facing the opening are formed in a chamfered shape, it is easy to assemble the frame and prevent damage to the weather-resistant film on the back. Can be prevented.
  • FIG. 2 is a schematic cross-sectional view taken along line AA of FIG. 1, showing a main part of the solar cell module according to the first embodiment of the present invention. It is sectional drawing which shows the flame
  • FIG. 3 is a schematic cross-sectional view taken along line AA of FIG.
  • FIG. 1 shows a main part of a solar cell module according to a second embodiment of the present invention. It is sectional drawing which shows the flame
  • FIG. 5 is a schematic cross-sectional view taken along line AA of FIG. 1, showing the main part of a solar cell module according to a third embodiment of the present invention. It is a schematic sectional drawing which shows the principal part of the conventional solar cell module.
  • FIGS. 1 is a plan view showing a solar cell module according to an embodiment of the present invention
  • FIG. 2 is a sectional view showing a frame used in the first embodiment of the present invention
  • FIG. 3 is a first embodiment of the present invention.
  • FIG. 4 is a schematic cross-sectional view taken along the line AA of FIG. 1.
  • a frame 20 is attached to a peripheral portion of a solar cell panel 10 provided with a plurality of solar cells 11.
  • the solar cell 11 is made of, for example, a crystalline semiconductor made of single crystal silicon or polycrystalline silicon having a thickness of about 0.15 mm, and has a substantially square shape with one side of about 100 mm, but is not limited thereto. Other solar cells may be used.
  • this solar cell 11 for example, an n-type region and a p-type region are formed, and a junction for forming an electric field for carrier separation is formed at an interface portion between the n-type region and the p-type region.
  • a solar cell in which a substantially intrinsic amorphous silicon layer is sandwiched between a single crystal silicon substrate and an amorphous silicon layer defects at the interface are reduced, and heterojunction interface characteristics are improved. Used.
  • Each of the plurality of solar cells 11 is electrically connected to another solar cell 11 adjacent to each other by a wiring member 102 made of a flat copper foil or the like. That is, one end side of the wiring member is connected to an electrode on the upper surface side of the predetermined solar cell 11, and the other end side is connected to an electrode on the lower surface side of another solar cell 11 adjacent to the predetermined solar cell 11. .
  • These solar cells 11 are connected in series by a wiring material 102 to form one string 110, and the strings 110, 110 are connected by a crossover wiring.
  • the solar cell module 1 outputs a predetermined output, for example, 200 W. Is configured to occur.
  • a plurality of solar cells 11 are electrically connected to each other by a wiring material (not shown) made of a conductive material such as copper foil, and light transmission such as glass or translucent plastic is performed.
  • a weather-resistant film 13 as a weather-resistant member obtained by sandwiching a back surface-side metal foil with an insulating film and sandwiching it between them, and EVA (ethylene) excellent in weather resistance and moisture resistance in an internal gap
  • the solar cell panel 10 is formed by sealing with a light-transmitting sealing material 14 such as vinyl acetate (ethylene vinyl acetate).
  • the solar cell 11 is not disposed on the periphery of the solar cell panel 10 fitted into the frame 20.
  • the light-resistant film 13 on the back surface side is attached as close to the surface member 12 on the front surface side as the solar cell 11 does not exist. That is, the cross-sectional height of the peripheral portion of the solar cell panel 10 fitted into the frame 20 is formed to be smaller than the cross-sectional height of the portion where the solar cell 11 exists.
  • the solar cell panel 10 is fitted into a frame 20 made of a metal such as aluminum using a sealing material 40 at the periphery.
  • the frame 20 is formed of aluminum, stainless steel, a steel plate roll forming material, or the like.
  • a terminal box (not shown) is provided on the surface of the light-resistant film 13 on the back side, for example, as necessary.
  • an example of the frame 20 is a hollow-structured main body 21, located on the upper part of the main body 21, and fitted with a peripheral portion of the solar cell panel 10 via a sealing material. It has the shape fitting part 22.
  • the fitting portion 22 is opposed to the opening 22a into which the peripheral portion of the solar cell panel 10 is inserted, the upper surface portion 23 facing the surface member 12 of the solar cell panel 10, and the weather resistant film 13 on the back surface of the solar cell panel 10. And a standing wall portion 25 that rises from the lower surface portion 24 and continues to the upper surface portion 23. And the rib part 26 which protruded in the solar cell panel 10 side is provided in the vicinity where the peripheral part of the solar cell panel 10 of the lower surface part 24 is located.
  • the distance between the upper surface portion of the rib portion 26 and the upper surface portion 23 of the fitting portion 22 is formed to be slightly larger than the sectional height corresponding to the sectional height of the peripheral edge portion of the solar cell panel 10.
  • the weather-resistant film 13 on the back side is configured not to rub against the rib portion 26.
  • the height of the opening 22a of the fitting portion 22 takes into account the amount of bending of the solar cell panel 10 due to the bending of the surface member 12 made of glass or the like, and forms the opening 22a wide by the amount of bending. ing.
  • the tip of the lower surface 24 of the opening 22a and the tip of the rib 26 facing the opening 22a are formed in a chamfered shape.
  • the weather-resistant film 13 on the back surface side of the solar cell panel 10 is located on the front end portion of the lower surface portion 24 of the opening portion 22a and the opening portion 22a side of the rib portion 26. Even when the tip portions are accidentally touched, the tip portions are formed in a chamfered shape, thereby preventing the weather resistant film 13 from being damaged.
  • recesses 27b and 27a for accumulating a sealing material are provided on the lower wall portion 24 side of the standing wall portion 25 of the fitting portion 22 and on the standing wall portion side from the rib portion 26 of the lower surface portion 24, respectively.
  • a sealant 40 made of a fluid silicone resin or urethane resin is applied around the recesses 27a and 27b using a dispenser.
  • the peripheral part of the solar cell panel 10 is inserted and fixed from the opening part 22a.
  • the solar cell panel 10 bends due to its weight or the like, but since the opening 22a is formed with a height that takes into account the amount of the bend, the weather resistant film 13 of the solar cell panel 10 is opened. The rubbing against the lower surface portion 24 of 22a can be suppressed.
  • the peripheral edge portion of the solar cell panel 10 is sealed and fixed in the fitting portion 22 with the sealing material 40 beyond the rib portion 26.
  • the weather resistant film 13 of the solar cell panel 10 Even if the weather resistant film 13 of the solar cell panel 10 is accidentally rubbed during this operation, the weather resistant film 13 may be damaged because the bottom surface 24 and the tip of the rib portion 26 are chamfered. Can be prevented.
  • the surplus sealing material 40 that has passed over the rib portion 26 is the lower surface portion between the rib portion 26 and the opening portion 22a. 24 and hardly protrudes from the fitting portion 22.
  • FIG. 5 is a cross-sectional view showing a frame used in the second embodiment of the present invention
  • FIG. 6 is a schematic cross-sectional view showing the main part of the solar cell module of the second embodiment of the present invention
  • FIG. It is a schematic sectional drawing of the AA line of FIG.
  • symbol is attached
  • the excess sealing material 40 is prevented from protruding from the fitting portion 22 as compared with the first embodiment.
  • the frame 20 of the second embodiment is provided with a recess 24a for storing a seal material on the lower surface 24 between the rib 26 and the opening 22a.
  • the peripheral portion of the solar cell panel 10 is fitted into the fitting portion 22 of the frame 20, and the peripheral portion of the solar cell panel 10 is sealed in the fitting portion 22 with a sealing material 40 and fixed. Is done. At this time, the surplus sealing material 40 that has passed over the rib portion 26 accumulates in the recess 24 a, and the sealing material 40 can be prevented from protruding from the fitting portion 22. Other effects are the same as those of the first embodiment.
  • FIG. 8 is a cross-sectional view showing a frame used in the third embodiment of the present invention
  • FIG. 9 is a schematic cross-sectional view showing the main part of the solar cell module of the third embodiment of the present invention
  • FIG. It is a schematic sectional drawing of the AA line of FIG.
  • symbol is attached
  • the excessive sealing material 40 is prevented from protruding beyond the rib portion 26.
  • the rib portion 26 is set to a height that creates an area in which only the seal material 40 is stored between the rib portion 26 and the standing wall portion 25.
  • the height between the upper surface part 23 and the lower surface part 24 of the fitting part 22 is set higher than the 1st, 2nd embodiment, and the rib part 26 is also formed high.
  • the peripheral portion of the solar cell panel 10 is fitted into the fitting portion 22 of the frame 20, and the peripheral portion of the solar cell panel 10 is sealed and fixed in the fitting portion 22 with the sealing material 40. Is done. At this time, the surplus sealing material 40 does not exceed the rib portion 26 and accumulates between the rib portion 26 and the standing wall portion 25. As a result, the sealing material 40 can be prevented from protruding from the fitting portion 22. Other effects are the same as those of the first embodiment.

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

La présente invention concerne un module de cellules solaires qui réduit l'extrusion d'un matériau d'étanchéité provenant de parties de fixation d'un châssis, dont l'assemblage du châssis est facilité et qui empêche l'endommagement d'un film résistant aux intempéries sur la surface arrière de celui-ci. Le module de cellules solaires comporte un châssis (20) fixé au rebord d'un panneau de cellules solaires (10). Le châssis (20) présente des parties de fixation qui sont en prise avec le rebord du panneau de cellules solaires (10) avec le matériau d'étanchéité (40) interposé. Les parties de fixation (22) sont munies d'une ouverture (22a) dans laquelle le rebord du panneau de cellules solaires (10) est introduit, d'une surface supérieure (23) en regard de la surface avant du panneau de cellules solaires (10), d'une surface inférieure (24) en regard de la surface arrière du panneau de cellules solaires (10), et d'une section de paroi verticale (25) qui s'étend verticalement depuis la surface inférieure (24) et est reliée à la surface supérieure (23). Une nervure (26) qui fait saillie vers le panneau de cellules solaires (10) est disposée sur la surface inférieure (24) à proximité de la position du rebord du panneau de cellules solaires (10). Le bord avant de la surface inférieure (24) de l'ouverture (22a) et le bord avant de la nervure (26) en regard de l'ouverture (22a) sont chanfreinés.
PCT/JP2011/051594 2010-01-28 2011-01-27 Module de cellules solaires WO2011093377A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-017206 2010-01-28
JP2010017206A JP2011155218A (ja) 2010-01-28 2010-01-28 太陽電池モジュール

Publications (1)

Publication Number Publication Date
WO2011093377A1 true WO2011093377A1 (fr) 2011-08-04

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PCT/JP2011/051594 WO2011093377A1 (fr) 2010-01-28 2011-01-27 Module de cellules solaires

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WO (1) WO2011093377A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2858235A1 (fr) * 2013-10-01 2015-04-08 Hulk Energy Technology Co., Ltd. Structure de cadre en aluminium pour emballage de panneau solaire

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7331475B2 (ja) * 2019-06-11 2023-08-23 日本ゼオン株式会社 環境発電モジュール及びその製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61104562U (fr) * 1984-12-13 1986-07-03
JPH0310559U (fr) * 1989-06-16 1991-01-31
JP2000243998A (ja) * 1999-02-24 2000-09-08 Sanyo Electric Co Ltd 太陽電池モジュール
JP2005347291A (ja) * 2004-05-31 2005-12-15 Sharp Corp 太陽電池モジュール
JP2006100392A (ja) * 2004-09-28 2006-04-13 Msk Corp パネル保持機構

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61104562U (fr) * 1984-12-13 1986-07-03
JPH0310559U (fr) * 1989-06-16 1991-01-31
JP2000243998A (ja) * 1999-02-24 2000-09-08 Sanyo Electric Co Ltd 太陽電池モジュール
JP2005347291A (ja) * 2004-05-31 2005-12-15 Sharp Corp 太陽電池モジュール
JP2006100392A (ja) * 2004-09-28 2006-04-13 Msk Corp パネル保持機構

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2858235A1 (fr) * 2013-10-01 2015-04-08 Hulk Energy Technology Co., Ltd. Structure de cadre en aluminium pour emballage de panneau solaire

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Publication number Publication date
JP2011155218A (ja) 2011-08-11

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