WO2011093377A1 - Solar cell module - Google Patents

Solar cell module 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
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WO
WIPO (PCT)
Prior art keywords
solar cell
cell panel
frame
cell module
rib
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Application number
PCT/JP2011/051594
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French (fr)
Japanese (ja)
Inventor
志穂美 中谷
剛 本山
正治 竹中
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三洋電機株式会社
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Publication of WO2011093377A1 publication Critical patent/WO2011093377A1/en

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    • 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

Disclosed is a solar cell module: that reduces the extrusion of a sealing material from engaging portions of a frame; of which the task of assembling the frame is easy; and that prevents the occurrence of damage to a weather-resistant film on the back surface thereof. The solar cell module has a frame (20) attached to the rim of a solar cell panel (10). The frame (20) has engaging portions (22) that engage with the rim of the solar cell panel (10) with the sealing material (40) therebetween. The engaging portions (22) are provided with; an opening (22a) into which the rim of the solar cell panel (10) is inserted; a top surface (23) that faces the front surface of the solar cell panel (10); a bottom surface (24) that faces the back surface of the solar cell panel (10); and a vertical wall section (25) that extends vertically from the bottom surface (24) and links to the top surface (23). A rib (26) that protrudes towards the solar cell panel (10) is provided to the bottom surface (24) in the vicinity of the position of the rim of the solar cell panel (10). The leading edge of the bottom surface (24) of the opening (22a) and the leading edge of the rib (26) that faces the opening (22a) are formed in a chamfered shape.

Description

太陽電池モジュールSolar cell module
　この発明は、太陽電池モジュールに関し、特に、フレームを備える太陽電池モジュールに関するものである。 This invention relates to a solar cell module, and more particularly to a solar cell module provided with a frame.
　太陽光を光電変換し電力を取り出す太陽電池モジュールが広く利用されている。太陽電池モジュールは、積雪荷重、風圧等の様々な環境負荷に耐えるために、太陽電池を含む太陽電池パネルの周縁部にアルミニウム材等の金属で形成されたフレームが取り付けられる。 Solar cell modules that photoelectrically convert sunlight and extract power are widely used. In order to withstand various environmental loads such as snow load and wind pressure, 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.
　このような太陽電池モジュールでは、表面部材だけでなくフレームによっても強度が確保されるため、太陽電池モジュールを大型化した際にも表面部材を厚くする必要がなく、重量増加を抑えることができ、取り扱いが容易になる。さらに、表面部材の厚みを薄くすることにより透過する光量を多くして発電効率を向上させることができるという利点がある。 In such a solar cell module, since the strength is secured not only by the surface member but also by the frame, it is not necessary to thicken the surface member even when the solar cell module is enlarged, and the increase in weight can be suppressed. Handling becomes easy. Furthermore, there is an advantage that the power generation efficiency can be improved by reducing the thickness of the surface member to increase the amount of transmitted light.
　上記した太陽電池モジュールは、太陽電池パネルとフレームとの間にシール材を介在させて、太陽電池パネルをフレームに嵌め込んで固定されている。これらシール材には、種々の形状、材質のものがあり、その取り付け方法には種々の提案がされている。 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.
　特開２０００－２４３９９８号公報（特許文献１）には、シリコーン樹脂等の半固形シール材をフレームの挟持部に充填し、これに太陽電池パネルを嵌め込むことにより、半固形シール材をフレームとパネル間に拡散充満させることが開示されている。 In Japanese Patent Laid-Open No. 2000-243998 (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.
　この種の従来の太陽電池モジュールの要部断面図を図１１に示す。図１１に示すように、表面（受光面）側の透光性基板５２と、裏面側の金属箔を絶縁フィルムで挟着した耐候性フィルム５３とを用いて、太陽電池５１をその間に挟み、内部の隙間に透明樹脂５４を充填して太陽電池パネル５０が構成される。そして、この太陽電池パネル５０の周縁部に、シール材４０を介して４つのアルミニウムフレーム６０を嵌め込んで太陽電池モジュール６１とする構造が一般的である。 FIG. 11 shows a cross-sectional view of the main part of this type of conventional solar cell module. As shown in FIG. 11, 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.
特開２０００－２４３９９８号公報JP 2000-243998 A
　この構造においては、シール材４０に流動性のシリコーン樹脂又はウレタン樹脂を使用した場合、図１１に示すように、太陽電池パネル５０をフレーム６０に嵌め込んで組み立てを完了したとき、余りのシール材４０が嵌合部分６２よりはみ出して、この余りのシール材４０を取り除く作業が必要となる。 In this structure, when a fluid silicone resin or urethane resin is used for the sealing material 40, as shown in FIG. 11, when the assembly is completed by fitting the solar cell panel 50 into the frame 60, the excess sealing material is used. 40 protrudes from the fitting part 62, and the work which removes this excess sealing material 40 is needed.
　また、大面積の太陽電池モジュールの場合、太陽電池パネル端部の撓みや変形が大きくなる。この変形により、フレームに太陽電池パネルを嵌め込む際に、裏面側の耐候性フィルムがフレームの端部に擦れ、耐候性フィルムに傷などがつく虞があるので、フレームに太陽電池パネルを嵌め込む際には、撓みなどに注意して取り付ける必要があった。 Also, in the case of a large area solar cell module, 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.
　この発明は、フレームの嵌合部分からのシール材のはみ出しを少なくするとともに、フレームの組み立て作業が容易で、裏面の耐候性フィルムの傷の発生を防ぐ太陽電池モジュールを提供することを目的とする。 It is an object of the present invention to provide a solar cell module that reduces the protrusion of the sealing material from the fitting portion of the frame, facilitates the assembly of the frame, and prevents the occurrence of scratches on the weather-resistant film on the back surface. .
　この発明の太陽電池モジュールは、太陽電池パネルの周縁部にフレームを取り付けた太陽電池モジュールであって、前記フレームは、前記太陽電池パネルの周縁部を、シール材を介して嵌め込む嵌合部分を有し、前記嵌合部分は、前記太陽電池パネルの周縁部が挿入される開口部と、前記太陽電池パネルの表面と対向する上面部と、前記太陽電池パネルの裏面と対向する下面部と、下面部から立ち上がり前記上面部と連なる立壁部を備え、前記下面部の前記太陽電池パネルの周縁部が位置する近傍に太陽電池パネル側に突出したリブ部が設けられ、前記開口部の下面部の先端部と前記リブ部の開口部側に臨む先端部が面取り形状に形成されていることを特徴とする。 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.
　さらに、この発明は、前記リブ部と前記立壁部との間の前記下面部に前記シール材を溜めるための凹部を設けることが好ましい。 Furthermore, in the present invention, it is preferable to provide a recess for storing the sealing material on the lower surface portion between the rib portion and the standing wall portion.
　また、前記リブ部と前記開口部との間の前記下面部に前記シール材を溜めるための凹部を設けることが好ましい。 Further, it is preferable that a recess for storing the sealing material is provided in the lower surface portion between the rib portion and the opening portion.
　また、前記リブ部が前記リブ部と前記立壁部との間に前記シール材を溜めるだけの領域を作成する高さに設定することができる。 Also, 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.
　この発明は、フレームの下面部の太陽電池パネルの周縁部が位置する近傍に太陽電池パネル側に突出したリブ部を設けることで、フレームの嵌合部分からのシール材のはみ出しが少なくなり、余りのシール材を取り除く作業を殆どなくすことができる。 In the present invention, by providing a rib portion protruding toward the solar cell panel in the vicinity of the peripheral portion of the solar cell panel on the lower surface portion of the frame, 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.
　また、開口部の下面部の先端部と前記リブ部の開口部側に臨む先端部が面取り形状に形成されているので、フレームの組み立て作業が容易で、裏面の耐候性フィルムの傷の発生を防ぐことができる。 In addition, since 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.
この発明の実施形態の太陽電池モジュールを示す平面図である。It is a top view which shows the solar cell module of embodiment of this invention. この発明の第１の実施形態に用いられるフレームを示す断面図である。It is sectional drawing which shows the flame | frame used for 1st Embodiment of this invention. この発明の第１の実施形態の太陽電池モジュールの要部を示す概略断面図である。It is a schematic sectional drawing which shows the principal part of the solar cell module of 1st Embodiment of this invention. この発明の第１の実施形態の太陽電池モジュールの要部を示し、図１のＡ－Ａ線の概略断面図である。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. この発明の第２の実施形態に用いられるフレームを示す断面図である。It is sectional drawing which shows the flame | frame used for 2nd Embodiment of this invention. この発明の第２の実施形態の太陽電池モジュールの要部を示す概略断面図である。It is a schematic sectional drawing which shows the principal part of the solar cell module of 2nd Embodiment of this invention. この発明の第２の実施形態の太陽電池モジュールの要部を示し、図１のＡ－Ａ線の概略断面図である。FIG. 3 is a schematic cross-sectional view taken along line AA of FIG. 1, showing a main part of a solar cell module according to a second embodiment of the present invention. この発明の第３の実施形態に用いられるフレームを示す断面図である。It is sectional drawing which shows the flame | frame used for 3rd Embodiment of this invention. この発明の第３の実施形態の太陽電池モジュールの要部を示す概略断面図である。It is a schematic sectional drawing which shows the principal part of the solar cell module of 3rd Embodiment of this invention. この発明の第３の実施形態の太陽電池モジュールの要部を示し、図１のＡ－Ａ線の概略断面図である。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. 従来の太陽電池モジュールの要部を示す概略断面図である。It is a schematic sectional drawing which shows the principal part of the conventional solar cell module.
　この発明の実施の形態について図面を参照しながら詳細に説明する。なお、図中同一または相当部分には同一符号を付し、説明の重複を避けるためにその説明は繰返さない。 Embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals, and the description thereof will not be repeated in order to avoid duplication of description.
　図１ないし図４に従いこの発明の第１の実施形態につき説明する。図１は、この発明の実施形態の太陽電池モジュールを示す平面図、図２は、この発明の第１の実施形態に用いられるフレームを示す断面図、図３は、この発明の第１の実施形態の太陽電池モジュールの要部を示す概略断面図、図４は、図１のＡ－Ａ線の概略断面図である。 A first embodiment of the present invention will be described with reference to 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, and 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.
　この発明の太陽電池モジュール１は、内部に複数の太陽電池１１…を備えた太陽電池パネル１０の周縁部にフレーム２０が取り付けられている。太陽電池１１は、例えば、厚みが０．１５ｍｍ程度の単結晶シリコンや多結晶シリコンなどで構成される結晶系半導体からなり、１辺が１００ｍｍ程度の略正方形を有するが、これに限るものではなく、他の太陽電池を用いても良い。 In the solar cell module 1 of the present invention, 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.
　この太陽電池１１内には、例えば、ｎ型領域とｐ型領域が形成され、ｎ型領域とｐ型領域との界面部分でキャリア分離用の電界を形成するための接合部が形成されている。例えば、単結晶シリコン基板と非晶質シリコン層との間に実質的に真性な非晶質シリコン層を挟み、その界面での欠陥を低減し、ヘテロ接合界面の特性を改善した太陽電池などが用いられる。 In 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. . For example, 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.
　この複数の太陽電池１１の各々は互いに隣接する他の太陽電池１１と扁平形状の銅箔などで構成された配線材１０２によって電気的に接続されている。即ち、配線材の一方端側が所定の太陽電池１１の上面側の電極に接続されるとともに、他方端側がその所定の太陽電池１１に隣接する別の太陽電池１１の下面側の電極に接続される。これら太陽電池１１…は、配線材１０２で直列に接続されて１つのストリングス１１０を形成し、ストリングス１１０、１１０間が渡り配線で接続され、太陽電池モジュール１から所定の出力、例えば、２００Ｗの出力が発生するように構成されている。 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.
　図３、図４に示すように、複数の太陽電池１１が互いに銅箔等の導電材よりなる配線材（図示せず）により電気的に接続され、ガラス、透光性プラスチックのような透光性を有する表面部材１２と、裏面側の金属箔を絶縁性フィルムで挟着した耐侯性部材としての耐候性フィルム１３をその間に挟み、内部の隙間に耐候性、耐湿性に優れたＥＶＡ（ｅｔｈｙｌｅｎｅ　ｖｉｎｙｌａｃｅｔａｔｅ、エチレン酢酸ビニル）等の透光性を有する封止材１４により封止され、太陽電池パネル１０が形成されている。 As shown in FIGS. 3 and 4, 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).
　図３に示すように、フレーム２０に嵌め込まれる太陽電池パネル１０の周縁部には、太陽電池１１は配設されていない。このため、裏面側の耐光性フィルム１３は、太陽電池１１が存在しない分表面側の表面部材１２に近づいて取り付けられることになる。すなわち、フレーム２０に嵌め込まれる太陽電池パネル１０の周縁部の断面高さは、太陽電池１１が存在する部分の断面高さより小さく形成される。 As shown in FIG. 3, the solar cell 11 is not disposed on the periphery of the solar cell panel 10 fitted into the frame 20. For this reason, 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.
　上記太陽電池パネル１０は、周縁部にシール材４０を用いてアルミニウム等の金属からなるフレーム２０に嵌め込まれる。このフレーム２０は、アルミニウム、ステンレス又は鋼板ロールフォーミング材等で形成されている。必要に応じて端子ボックス（図示せず）が、例えば裏面側の耐光性フィルム１３の表面に設けられる。 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.
　図２ないし図４に示すように、フレーム２０の一例は、中空構造の本体部２１、本体部２１の上部に位置し、太陽電池パネル１０の周縁部をシール材を介して嵌め込む断面コ字状の嵌合部２２を有する。 As shown in FIGS. 2 to 4, 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.
　嵌合部２２は、太陽電池パネル１０の周縁部が挿入される開口部２２ａと、太陽電池パネル１０の表面部材１２と対向する上面部２３と、太陽電池パネル１０の裏面の耐候フィルム１３と対向する下面部２４と、下面部２４から立ち上がり上面部２３と連なる立壁部２５を備える。そして、下面部２４の太陽電池パネル１０の周縁部が位置する近傍には、太陽電池パネル１０側に突出したリブ部２６が設けられている。このリブ部２６の上面と嵌合部２２の上面部２３との間の距離は、前記太陽電池パネル１０の周縁部の断面高さに対応して断面高さより少し大きく形成され、太陽電池パネル１０の裏面側の耐候性フィルム１３がリブ部２６に擦れないように構成している。 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.
　また、前記嵌合部２２の開口部２２ａの高さは、ガラス等からなる表面部材１２の撓みなどにより太陽電池パネル１０が撓む量を予め考慮し、その撓み分広く開口部２２ａを形成している。開口部２２ａの下面部２４の先端部とリブ部２６の開口部２２ａ側に臨む先端部は、それぞれ面取り形状に形成されている。太陽電池パネル１０の周縁部を嵌合部２２に嵌め込む際に、太陽電池パネル１０の裏面側の耐候フィルム１３が開口部２２ａの下面部２４の先端部とリブ部２６の開口部２２ａ側の先端部に誤って触れた場合にも、これら先端部が面取り形状に形成されていることで、耐候フィルム１３に傷がつくことを防止している。 In addition, 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. When the peripheral portion of the solar cell panel 10 is fitted into the fitting portion 22, 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.
　さらに、嵌合部２２の立壁部２５の下面部２４側と下面部２４のリブ部２６より立壁部側には、シール材を溜めるための凹部２７ｂ、２７ａがそれぞれ設けられている。 Furthermore, 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.
　次に、上記構成のフレーム２０を太陽電池パネル１０への取り付ける方法につき説明する。太陽電池パネル１０をフレーム２０に取り付けるには、ディスペンサを用いて流動性のシリコーン樹脂又はウレタン樹脂からなるシール材４０を凹部２７ａ、２７ｂを中心として塗布される。そして、太陽電池パネル１０の周縁部を開口部２２ａから嵌め込み固定する。この作業の際、太陽電池パネル１０は、その重みなどで撓むが、開口部２２ａは、その撓み量を考慮した高さに形成されているので、太陽電池パネル１０の耐候フィルム１３が開口部２２ａの下面部２４に擦れることが抑制できる。そして、リブ部２６を越えて太陽電池パネル１０の周縁部が嵌合部２２内にシール材４０でシールされて固定される。 Next, a method for attaching the frame 20 having the above configuration to the solar cell panel 10 will be described. In order to attach the solar cell panel 10 to the frame 20, a sealant 40 made of a fluid silicone resin or urethane resin is applied around the recesses 27a and 27b using a dispenser. And the peripheral part of the solar cell panel 10 is inserted and fixed from the opening part 22a. During this operation, 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. Then, 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.
　この作業の際に、誤って太陽電池パネル１０の耐候フィルム１３が擦れたとしても下面部２４及びリブ部２６の先端部は面取り形状に形成されているので、耐候フィルム１３に傷がつくことが防止できる。 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.
　また、太陽電池パネル１０の周縁部をフレーム２０の嵌合部２２に嵌め込んだ際に、リブ部２６を乗り越えた余りのシール材４０は、リブ部２６と開口部２２ａとの間の下面部２４上に溜まり、嵌合部２２からはみ出ることが殆どなくなる。 Further, when the peripheral edge portion of the solar cell panel 10 is fitted into the fitting portion 22 of the frame 20, 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.
　次に、図５ないし図７に従いこの発明の第２の実施形態につき説明する。図５は、この発明の第２の実施形態に用いられるフレームを示す断面図、図６は、この発明の第２の実施形態の太陽電池モジュールの要部を示す概略断面図、図７は、図１のＡ－Ａ線の概略断面図である。尚、第１の実施形態と同一部分には同一符号を付し、説明の重複を避けるために、ここではその説明を割愛する。 Next, a second embodiment of the present invention will be described with reference to FIGS. 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, and FIG. It is a schematic sectional drawing of the AA line of FIG. In addition, the same code | symbol is attached | subjected to the same part as 1st Embodiment, and the description is omitted here in order to avoid duplication of description.
　この第２の実施形態は、第１の実施形態よりも更に嵌合部２２から余りのシール材４０がはみ出ることを防止したものである。 In the second embodiment, the excess sealing material 40 is prevented from protruding from the fitting portion 22 as compared with the first embodiment.
　図５に示すように、この第２の実施形態のフレーム２０は、リブ部２６と開口部２２ａとの間の下面部２４にシール材を溜めるための凹部２４ａが設けられている。 As shown in FIG. 5, 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.
　図６及び図７に示すように、太陽電池パネル１０の周縁部をフレーム２０の嵌合部２２に嵌め込み、太陽電池パネル１０の周縁部が嵌合部２２内にシール材４０でシールされて固定される。このとき、リブ部２６を乗り越えた余りのシール材４０は、凹部２４ａに溜まり、嵌合部２２からシール材４０がはみ出ることが防止できる。その他の効果は第１の実施形態と同様である。 As shown in FIGS. 6 and 7, 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.
　次に、図８ないし図１０に従いこの発明の第３の実施形態につき説明する。図８は、この発明の第３の実施形態に用いられるフレームを示す断面図、図９は、この発明の第３の実施形態の太陽電池モジュールの要部を示す概略断面図、図１０は、図１のＡ－Ａ線の概略断面図である。尚、第１の実施形態と同一部分には同一符号を付し、説明の重複を避けるために、ここではその説明を割愛する。 Next, a third embodiment of the present invention will be described with reference to FIGS. 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, and FIG. It is a schematic sectional drawing of the AA line of FIG. In addition, the same code | symbol is attached | subjected to the same part as 1st Embodiment, and the description is omitted here in order to avoid duplication of description.
　この第３の実施形態は、余りのシール材４０がリブ部２６を越えてはみ出ることを防止したものである。このため、図８に示すように、リブ部２６がリブ部２６と立壁部２５との間にシール材４０を溜めるだけの領域を作成する高さに設定されている。このため、嵌合部２２の上面部２３と下面部２４との間の高さは、第１、第２の実施形態より高く設定され、リブ部２６も高く形成されている。 In the third embodiment, the excessive sealing material 40 is prevented from protruding beyond the rib portion 26. For this reason, as shown in FIG. 8, 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. For this reason, 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.
　図９及び図１０に示すように、太陽電池パネル１０の周縁部をフレーム２０の嵌合部２２に嵌め込み、太陽電池パネル１０の周縁部が嵌合部２２内にシール材４０でシールして固定される。このとき、余りのシール材４０は、リブ部２６を越えず、リブ部２６と立壁部２５との間に溜まる。この結果、嵌合部２２からシール材４０がはみ出ることが防止できる。その他の効果は第１の実施形態と同様である。 As shown in FIGS. 9 and 10, 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.
　今回開示された実施の形態はすべての点で例示であって制限的なものではないと考えられるべきである。例えば、この発明は薄膜太陽電池モジュールにも適用できる。この発明の範囲は、上記した実施の形態の説明ではなくて特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。 The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. For example, the present invention can be applied to a thin film solar cell module. The scope of the present invention is shown not by the above description of the embodiments but by the scope of claims for patent, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims for patent.
　１　太陽電池モジュール
　１０　太陽電池パネル
　１１　太陽電池
　１２　表面部材
　１３　耐光性フィルム
　２０　フレーム
　２１　本体部
　２２　嵌合部
　２２ａ開口部
　２３　上面部
　２４　下面部
　２５　立壁部
　２６　リブ部 DESCRIPTION OF SYMBOLS 1 Solar cell module 10 Solar cell panel 11 Solar cell 12 Surface member 13 Light-resistant film 20 Frame 21 Main body part 22 Fitting part 22a Opening part 23 Upper surface part 24 Lower surface part 25 Standing wall part 26 Rib part

Claims (4)

  1. 　太陽電池パネルの周縁部にフレームを取り付けた太陽電池モジュールであって、
    　前記フレームは、前記太陽電池パネルの周縁部を、シール材を介して嵌め込む嵌合部分を有し、前記嵌合部分は、前記太陽電池パネルの周縁部が挿入される開口部と、前記太陽電池パネルの表面と対向する上面部と、前記太陽電池パネルの裏面と対向する下面部と、下面部から立ち上がり前記上面部と連なる立壁部を備え、前記下面部の前記太陽電池パネルの周縁部が位置する近傍に太陽電池パネル側に突出したリブ部が設けられ、前記開口部の下面部の先端部と前記リブ部の開口部側に臨む先端部が面取り形状に形成されていることを特徴とする太陽電池モジュール。     A solar cell module in which a frame is attached to the periphery of a solar cell panel,
    The frame includes a fitting portion that fits a peripheral portion of the solar cell panel through a sealing material, and the fitting portion includes an opening into which the peripheral portion of the solar cell panel is inserted, and the sun. An upper surface portion facing the front surface of the battery panel; a lower surface portion facing the back surface of the solar cell panel; and a standing wall portion rising from the lower surface portion and continuing to the upper surface portion; A rib portion protruding to the solar cell panel side is provided in the vicinity of the position, and a tip portion of a lower surface portion of the opening portion and a tip portion facing the opening portion side of the rib portion are formed in a chamfered shape. Solar cell module.
  2. 　前記リブ部と前記立壁部との間の前記下面部に前記シール材を溜めるための凹部が設けられていることを特徴とする請求項１に記載の太陽電池モジュール。 The solar cell module according to claim 1, wherein a recess for storing the sealing material is provided in the lower surface portion between the rib portion and the standing wall portion.
  3. 　前記リブ部と前記開口部との間の前記下面部に前記シール材を溜めるための凹部が設けられていることを特徴とする請求項１又は請求項２に記載の太陽電池モジュール。 The solar cell module according to claim 1 or 2, wherein a recess for storing the sealing material is provided in the lower surface portion between the rib portion and the opening portion.
  4. 　前記リブ部が前記リブ部と前記立壁部との間に前記シール材を溜めるだけの領域を作成する高さに設定されていることを特徴とする請求項１に記載の太陽電池モジュール。 2. The solar cell module according to claim 1, wherein the rib portion is set to a height that creates an area in which only the seal material is stored between the rib portion and the standing wall portion.
PCT/JP2011/051594 2010-01-28 2011-01-27 Solar cell module WO2011093377A1 (en)

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JP2010017206A JP2011155218A (en) 2010-01-28 2010-01-28 Solar cell module
JP2010-017206 2010-01-28

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP2858235A1 (en) * 2013-10-01 2015-04-08 Hulk Energy Technology Co., Ltd. Aluminum frame structure for packaging solar panel

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7331475B2 (en) * 2019-06-11 2023-08-23 日本ゼオン株式会社 Energy harvesting module and manufacturing method thereof

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Publication number Priority date Publication date Assignee Title
JPS61104562U (en) * 1984-12-13 1986-07-03
JPH0310559U (en) * 1989-06-16 1991-01-31
JP2000243998A (en) * 1999-02-24 2000-09-08 Sanyo Electric Co Ltd Solar cell module
JP2005347291A (en) * 2004-05-31 2005-12-15 Sharp Corp Solar cell module
JP2006100392A (en) * 2004-09-28 2006-04-13 Msk Corp Panel support mechanism

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Publication number Priority date Publication date Assignee Title
JPS61104562U (en) * 1984-12-13 1986-07-03
JPH0310559U (en) * 1989-06-16 1991-01-31
JP2000243998A (en) * 1999-02-24 2000-09-08 Sanyo Electric Co Ltd Solar cell module
JP2005347291A (en) * 2004-05-31 2005-12-15 Sharp Corp Solar cell module
JP2006100392A (en) * 2004-09-28 2006-04-13 Msk Corp Panel support mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2858235A1 (en) * 2013-10-01 2015-04-08 Hulk Energy Technology Co., Ltd. Aluminum frame structure for packaging solar panel

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