WO2019163768A1 - Module de cellule solaire et système de production d'énergie photovoltaïque solaire - Google Patents

Module de cellule solaire et système de production d'énergie photovoltaïque solaire Download PDF

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Publication number
WO2019163768A1
WO2019163768A1 PCT/JP2019/006091 JP2019006091W WO2019163768A1 WO 2019163768 A1 WO2019163768 A1 WO 2019163768A1 JP 2019006091 W JP2019006091 W JP 2019006091W WO 2019163768 A1 WO2019163768 A1 WO 2019163768A1
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WO
WIPO (PCT)
Prior art keywords
solar cell
cell module
frame piece
main body
reinforcing member
Prior art date
Application number
PCT/JP2019/006091
Other languages
English (en)
Japanese (ja)
Inventor
博隆 佐藤
吉田　尚
雄司 大年
政宏 河村
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Priority to JP2020501781A priority Critical patent/JP7033189B2/ja
Priority to CN201980012629.9A priority patent/CN111699626B/zh
Publication of WO2019163768A1 publication Critical patent/WO2019163768A1/fr

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    • 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 installed on a roof and a solar power generation system using the same.
  • the tile-shaped solar cell module is formed to have a size equivalent to several tiles arranged in the horizontal direction, and the upper tile or the solar cell module water is formed on the upper water edge of the lower tile or the solar cell module. It is rolled up in a staircase shape so as to cover the lower edge. Thereby, like a tile, it is comprised so that rainwater may flow through the light-receiving surface of a solar cell module in the water flow direction which goes to the eaves side from the ridge side of a gradient roof.
  • Patent Document 1 has a structure in which the periphery of a tile-shaped solar cell module main body is held by four elongated frame pieces, and the ends of frame pieces adjacent in the circumferential direction are abutted and fastened together. It is disclosed.
  • the first frame piece that holds one edge on the short side of the solar cell module main body is provided with a lower overlapping piece that extends from the lower end portion toward the outside of the solar cell module main body and functions as a drainage channel. It has been.
  • Patent Document 2 discloses a configuration in which a solar cell module is attached to a roof together with a roof material.
  • the mounting frame of the solar cell module has an upper frame that extends more than twice the width of the roofing material along the direction of the row, a vertical frame orthogonal to the upper frame, and a detachable lower frame.
  • a second vertical frame is disposed between the lower frame.
  • Patent Document 1 In the case where the solar cell module is a tile type, since it is required to have the same strength as the roof tile, a support member is provided in Patent Document 1 on the back side of the solar cell module body, and a second vertical image in Patent Document 2 is provided. A frame is provided as a reinforcing member, and the in-plane rigidity is enhanced.
  • the present invention has been made in view of the above-described conventional problems, and the object of the present invention is to provide a new reinforcing structure to increase the strength, improve the productivity with a simple configuration, and reduce the weight. It is an object of the present invention to provide a solar cell module and a photovoltaic power generation system that can reduce material costs.
  • the solution of the present invention for achieving the above object is based on a solar cell module installed on the roof.
  • a solar cell module installed on the roof.
  • a rectangular solar cell module body having a light receiving surface and a back surface, a first frame piece attached to an edge on the ridge side of the solar cell module body, and the solar cell module body
  • a second frame piece attached to the edge of the eaves side, and a reinforcing member spanned between the first frame piece and the second frame piece on the back side of the solar cell module.
  • the reinforcing member includes a main body portion extending in a direction spanned between the first frame piece and the second frame piece, an engagement portion that engages with the first frame piece, and the second frame piece.
  • a fastening part fastened to the frame piece, and the engaging part and the fastening part are respectively extended in a direction intersecting the main body part.
  • a reinforcing member can be provided with a simple structure for the first frame piece and the second frame piece at the edge of the solar cell module body, and the strength as a solar cell module is increased.
  • the first frame piece is provided with an engagement hole into which the engagement portion is inserted, and the engagement portion is inserted into and engaged with the engagement hole. It is preferable.
  • the reinforcing member can be attached to the first frame piece simply by inserting the engaging member into the engaging hole and engaging, thereby simplifying the structure and reducing the weight and increasing the productivity. It becomes possible.
  • the first frame piece is a ridge side plate extending on the back side of the solar cell module main body, and an inner side extending on the back side of the solar cell module main body on the inside of the ridge side plate. It is preferable that the engagement hole is provided in the inner side plate, and the engagement portion is disposed between the inner side plate and the ridge side plate.
  • the engaging portion of the reinforcing member can be fixed without increasing the thickness of the member in the first frame piece, the structure can be simplified, and the material cost can be reduced. .
  • the engaging portion is bent and extended in a direction parallel to the solar cell module main body with respect to the main body.
  • the fastening portion and the second frame piece are provided with screw holes corresponding to each other, and the fastening portion is screwed to the second frame piece.
  • a snow load tends to act particularly on the ridge side, but the reinforcing member is directly screwed to the second frame piece arranged on the ridge side, so the second frame The reinforcement effect with respect to a piece can be heightened.
  • the second frame piece includes an eaves side plate extending on the back side of the solar cell module main body, and the fastening portion extends in the extending direction of the eave side plate with respect to the main body portion. It is preferable that the eaves side plate and the fastening portion are superposed and arranged by being bent.
  • the fastening portion of the reinforcing member can be fixed without increasing the thickness of the member in the second frame piece, and the structure can be simplified. Moreover, since the said fastening part is bent in the extending direction of the said eaves side board, it becomes possible to arrange
  • a photovoltaic power generation system in which a plurality of solar cell modules according to the above configuration are connected and installed on a sloped roof is also within the scope of the technical idea of the present invention.
  • the present invention it is possible to increase the strength of the solar cell module and improve the productivity of the solar cell module by realizing the reinforcing member on the back side of the solar cell module main body with a structure that can be easily attached.
  • FIG. 1 is a perspective view of a solar cell module according to Embodiment 1 of the present invention viewed from the back side.
  • FIG. 2 is a cross-sectional view taken along the line AA in the solar cell module of FIG.
  • FIG. 3 is a perspective view showing a reinforcing member provided in the solar cell module.
  • 4 (a) and 4 (b) are explanatory views showing a method of attaching the reinforcing member on the engaging portion side.
  • FIG. 5A and FIG. 5B are explanatory views showing a method of attaching the reinforcing member on the fastening portion side.
  • FIG. 6 is a plan view of the solar cell module according to Embodiment 2 of the present invention viewed from the back side.
  • FIG. 7: is the top view which looked at the solar cell module which concerns on Embodiment 3 of this invention from the back surface side.
  • FIG. 1 is a perspective view of the solar cell module 1 viewed from the back side
  • FIG. 2 is a cross-sectional view taken along the line AA in FIG.
  • FIG. 3 is a perspective view showing a reinforcing member 6 provided in the solar cell module 1.
  • the solar cell module 1 of the present embodiment is a tile-type solar cell module that has a tile function in itself and is mixed with the tile and arranged on a sloped roof. As shown in FIG. 1, the solar cell module 1 includes a rectangular solar cell module main body 2 and a frame 3 that holds the peripheral edge thereof.
  • the solar cell module 1 is formed in a flat rectangular shape having a size in which four corrugated tiles are arranged in the horizontal direction, and the sloped roof is aligned with the position of the overlapping portion in the water flow direction (downward in FIG. 1). Will be installed.
  • the solar cell module main body 2 has a light receiving surface 21 and a back surface 22, and a light-receiving surface side translucent substrate (not shown), a solar cell, and a back surface protection material that insulates and protects the back surface side are laminated, Are glued together.
  • the type of solar cell used for the solar cell module body 2 is not particularly limited, and examples thereof include silicon solar cells such as single crystal, polycrystal, and thin film, compound solar cells such as GaAs, CdTe, and CdS, dye sensitization, Examples include organic solar cells such as organic thin films.
  • the frame body 3 is provided with a plurality of long frame pieces attached to the peripheral edge portion of the solar cell module main body 2, but the end portions adjacent to each other in the circumferential direction are brought into contact with each other and fastened with a screw member or the like. .
  • the first frame piece 4 is attached to the edge of the solar cell module body 2 located on the ridge side
  • the second frame is attached to the edge of the solar cell module body 2 located on the eaves side.
  • a frame piece 5 is attached.
  • the frame body 3 including the first frame piece 4 and the second frame piece 5 is formed, for example, by extrusion molding of an aluminum alloy.
  • the first frame piece 4 includes a holding portion 41 that holds the edge of the solar cell module body 2, a ridge side plate 42 that extends from the holding portion 41 to the back surface 22 side of the solar cell module body 2, and a solar cell module.
  • An inner side plate 43 that extends inside the ridge side plate 42 on the back surface 22 side of the main body 2, a bottom plate 44 that couples the ridge side plate 42 and the inner side plate 43, and a top plate that faces the bottom plate 44. 45 and is integrally formed with a substantially rectangular closed cross section.
  • the ridge side plate 42 and the inner plate 43 of the first frame piece 4 are arranged in the vertical direction in the cross section (AA cross section orthogonal to the longitudinal direction of the solar cell module 1). Has been.
  • the inner plate 43 of the first frame piece 4 is provided with an engagement hole 46 that is long in the longitudinal direction of the first frame piece 4.
  • the engagement hole 46 penetrates both the front and back surfaces of the inner plate 43 and is formed in a slit shape. Further, the engagement hole 46 is disposed at a substantially middle position of the height of the inner plate 43.
  • the first frame piece 4 is provided with one such engagement hole 46 at a substantially central portion in the longitudinal direction.
  • the second frame piece 5 extends from the holding portion 51 to the back surface 22 side of the solar cell module body 2 and holds the edge portion of the solar cell module body 2.
  • eaves side plate 52 is provided with a connecting piece 53 that extends along the inner side of the eaves side plate 52 and curves from the lower end of the eaves side plate 52 and extends toward the ridge side.
  • the connecting piece 53 is a member for connecting the second frame piece 5 to the second frame piece 5 of another adjacent solar cell module 1.
  • the second frame piece 5 is provided with a screw hole 54 for attaching a reinforcing member 6 described later.
  • the screw hole 54 is provided at a position facing the engagement hole 46 of the first frame piece 4.
  • the solar cell module 1 is provided with a reinforcing member 6 on the back surface 22 side of the solar cell module body 2 in order to further reinforce the frame 3.
  • the reinforcing member 6 extends along the back surface 22 of the solar cell module main body 2 and spans the first frame piece 4 and the second frame piece 5.
  • the reinforcing member 6 is provided at the main body portion 61 extending in the water flow direction of the roof, the engaging portion 62 provided at one end of the main body portion 61 and engaging the first frame piece 4, and the other end of the main body portion 61. And a fastening portion 63 fastened to the second frame piece 5. As shown in FIG. 3, the reinforcing member 6 extends in a direction in which the engaging portion 62 and the fastening portion 63 intersect with the main body portion 61.
  • the reinforcing member 6 is formed by punching a single metal plate with a press molding machine or the like.
  • the engaging portion 62 is substantially L-shaped with respect to the flat strip-shaped main body portion 61 and extends in a direction parallel to the solar cell module main body 2. Further, the engaging portion 62 is formed in a flat plate shape extending on the same plane as the main body portion 61. As shown in FIG. 2, the engaging portion 62 is inserted into and engaged with the engaging hole 46 provided in the first frame piece 4 of the frame 3, and is fixed to the first frame piece 4.
  • the fastening portion 63 is formed by bending an end portion of the flat plate-like main body portion 61 in the direction opposite to the solar cell module main body 2. Further, the fastening portion 63 is formed in a flat plate shape extending along the extending direction of the eaves side plate 52. Thereby, it is possible to arrange the eaves side plate 52 and the fastening portion 63 in an overlapped state. As shown in FIG. 3, the fastening portion 63 is provided with a screw hole 64 corresponding to the screw hole 54 provided in the second frame piece 5. The fastening portion 63 is attached to the second frame piece 5 and fastened by a screw 55 (see FIG. 2).
  • (Reinforcing member mounting method) 4 (a), 4 (b), 5 (a), and 5 (b) are explanatory views showing a method of attaching the reinforcing member 6 to the solar cell module 1, respectively.
  • the reinforcing member 6 and the first frame piece 4 or the second frame piece 5 are shown for easy understanding of the drawings, and the solar cell module body 2 held by these frame pieces 4 and 5 is omitted. doing.
  • the reinforcing member 6 is attached on the back surface 22 side of the solar cell module 1 by first inserting the engaging portion 62 into the engaging hole 46 of the first frame piece 4. At this time, the reinforcing member 6 is held so that the length direction of the main body 61 is matched with the hole length direction of the engagement hole 46.
  • the distal end portion of the engaging portion 62 is applied to the engaging hole 46 and inserted sequentially from the distal end portion. That is, the engaging portion 62 is inserted into the engaging hole 46 while the main body portion 61 is held at an acute angle with respect to the inner plate 43 of the first frame piece 4.
  • the main body 61 is rotated around the engagement hole 46 in the direction of the arrow in the figure. Thereby, as shown in FIG. 4B, the engaging portion 62 can be inserted into the engaging hole 46.
  • the engaging portion 62 is disposed and fixed between the inner side plate 43 and the ridge side plate 42.
  • the reinforcing member 6 is disposed in a direction in which the main body 61 intersects the first frame piece 4 when the engaging portion 62 is fixed to the first frame piece 4.
  • the second frame piece 5 is provided with a screw hole 54 at a position facing the engagement hole 46, so that the main body portion 61 is attached to the first frame piece 4.
  • the screw holes 64 of the fastening portion 63 and the screw holes 54 of the second frame piece 5 are aligned with each other.
  • the connecting piece 53 is attached to the inside of the eaves side plate 52 of the second frame piece 5, and the connecting piece 53 is notched in a size corresponding to the width of the reinforcing member 6. As shown in FIG. 5B, the reinforcing member 6 can be fixed to the second frame piece 5 by fastening these screw holes 54 and 64 with screws 55.
  • the reinforcing member 6 can be attached to the back surface 22 side of the solar cell module 1.
  • the attachment work of the reinforcing member 6 can be easily performed with a small number of work steps.
  • strength of the solar cell module 1 can be arrange
  • the reinforcing member 6 is disposed on the back surface 22 side of the solar cell module main body 2 so as to be substantially parallel to the solar cell module main body 2, and includes the first frame piece 4 and the second frame piece 5. Tighten up. Since the engaging portion 62 of the reinforcing member 6 is inserted in the closed cross section of the first frame piece 4, it is necessary to thicken the bottom plate 44 of the first frame piece 4 in order to fix the engaging portion 62.
  • the first frame piece 4 can be formed with a uniform thickness.
  • the fastening part 63 of the reinforcing member 6 is bent to the opposite side of the solar cell module main body 2 with respect to the main body part 61, the main body part 61 becomes an arrangement form close to the solar cell module main body 2 and is reinforced. The effect can be enhanced. Furthermore, since the fastening portion 63 is arranged along the eaves side plate 52 of the second frame piece 5 and is screw-fastened, the fastening portion 63 is provided with sufficient strength against the load acting on the solar cell module 1. And the mounting work can be easily performed.
  • FIG. 6 is a plan view showing the back surface 22 side of the solar cell module 1 according to Embodiment 2 of the present invention.
  • the solar cell module 1 is a tile-type solar cell module that has a tile function in itself and is mixed with the tile and arranged on a sloped roof. Configured by size.
  • the solar cell module 1 includes a rectangular solar cell module main body 2, a frame body 3 that holds the peripheral portion thereof, and a reinforcing member 6, and the basic configuration thereof is an embodiment. Same as 1.
  • the solar cell module 1 is formed in a flat rectangular shape having a size in which six roof tiles are arranged in the horizontal direction.
  • the reinforcing member 6 is bridged between the first frame piece 4 and the second frame piece 5 as in the first embodiment.
  • a reinforcing member 6 is disposed at a substantially central portion in the longitudinal direction of the first frame piece 4 and the second frame piece 5.
  • the back surface 22 of the solar cell module body 2 is provided with a terminal box 71, a cable 72 extending from the terminal box 71, and a connector for connection 73.
  • the solar cell module 1 Since the solar cell module 1 is provided with the reinforcing member 6 on the back surface 22 side, it has sufficient strength even if the first frame piece 4 and the second frame piece 5 are relatively long as shown in the figure. It becomes possible.
  • FIG. 7 is a plan view showing the back surface 22 side of the solar cell module 1 according to Embodiment 3 of the present invention.
  • the terminal box 71 and the like are provided on the back surface 22 of the solar cell module body 2.
  • the reinforcing member 6 is disposed at a position where it does not interfere with the cable 72 extending from the terminal box 71 and the connection connector 73.
  • the reinforcing member 6 does not necessarily have to be disposed at the substantially central portion in the longitudinal direction of the first frame piece 4 and the second frame piece 5, and approaches the one side end portion in the longitudinal direction. May be arranged.
  • the solar cell module 1 is normally packed until it is installed on the sloped roof, and is stored and transported in that state. Moreover, the solar cell module 1 is carried to the gradient roof of installation object after removing a packing material. During this time, the reinforcing member 6 and the connection connector 73 and the like are configured not to interfere with each other, so that the connection connector 73 does not cause damage to the solar cell module 1 and the highly reliable solar cell module 1. It can be.
  • the reinforcing member 6 is configured to be supported by the frame 3 with a simple structure, the strength of the solar cell module 1 can be improved, It is possible to improve the performance, reduce the weight and reduce the material cost.
  • the solar cell module 1 can be arranged on a sloped roof with good appearance and the strength of the solar cell module 1 is ensured. And a highly reliable solar power generation system. Even in consideration of the snow load in winter, the solar cell module 1 includes the reinforcing member 6 and the first frame piece 4 and the second frame piece 5 are tightly coupled, so there is no risk of bending. It becomes possible to make it a structure that can withstand even during snowfall.
  • the solar cell module 1 and the solar power generation system according to the first to third embodiments are examples in all respects and do not serve as a basis for limited interpretation.
  • the reinforcing member 6 provided in the solar cell module 1 is not limited to that shown in FIG. 3, and the engaging portion 62 bends in a direction parallel to the solar cell module body 2 with respect to the main body portion 61. 3 may be bent to the opposite side to that of FIG.
  • the fastening part 63 is the structure bent and extended with respect to the main-body part 61 in the extending direction of the eaves-side board 52, you may be bent by the opposite side to the thing of FIG.
  • the present invention can be suitably used as a solar cell module installed on a roof and a solar power generation system using the solar cell module.

Landscapes

  • Photovoltaic Devices (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

Ce module de cellule solaire (1) est pourvu d'un corps principal de module de cellule solaire (2), d'une première pièce de cadre (4) qui est montée sur le bord côté saillie du corps principal de module de cellule solaire (2), d'une seconde pièce de cadre (5) qui est montée sur le bord côté avant-toit du corps principal de module de cellule solaire (2), et d'un élément de renforcement (6) qui sert de pont entre la première pièce de cadre (4) et la seconde pièce de cadre (5). L'élément de renforcement (6) a une partie de corps principal (61), une partie de mise en prise (62) qui est en prise avec la première pièce de cadre (4), et une partie de fixation (63) qui est fixée sur la seconde pièce de cadre (5).
PCT/JP2019/006091 2018-02-20 2019-02-19 Module de cellule solaire et système de production d'énergie photovoltaïque solaire WO2019163768A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020501781A JP7033189B2 (ja) 2018-02-20 2019-02-19 太陽電池モジュールおよび太陽光発電システム
CN201980012629.9A CN111699626B (zh) 2018-02-20 2019-02-19 太阳能电池模块及太阳能发电系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-027874 2018-02-20
JP2018027874 2018-02-20

Publications (1)

Publication Number Publication Date
WO2019163768A1 true WO2019163768A1 (fr) 2019-08-29

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PCT/JP2019/006091 WO2019163768A1 (fr) 2018-02-20 2019-02-19 Module de cellule solaire et système de production d'énergie photovoltaïque solaire

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JP (1) JP7033189B2 (fr)
CN (1) CN111699626B (fr)
WO (1) WO2019163768A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263544A (ja) * 2003-02-12 2004-09-24 Sharp Corp 太陽電池モジュールの屋根取り付け構造体、モジュールユニット、太陽電池構造体、その屋根取り付け方法及びモジュールユニットの交換方法
JP2013002244A (ja) * 2011-06-21 2013-01-07 Mitsubishi Electric Corp 太陽電池モジュール
JP2014030013A (ja) * 2012-07-05 2014-02-13 Sharp Corp 枠体及びこの枠体を備えた太陽電池モジュール
WO2015113111A1 (fr) * 2014-01-31 2015-08-06 Bluescope Steel Limited Toit
JP2016089620A (ja) * 2014-10-30 2016-05-23 京セラ株式会社 太陽電池アレイ
JP2017204920A (ja) * 2016-05-10 2017-11-16 株式会社カネカ 太陽電池モジュール

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263544A (ja) * 2003-02-12 2004-09-24 Sharp Corp 太陽電池モジュールの屋根取り付け構造体、モジュールユニット、太陽電池構造体、その屋根取り付け方法及びモジュールユニットの交換方法
JP2013002244A (ja) * 2011-06-21 2013-01-07 Mitsubishi Electric Corp 太陽電池モジュール
JP2014030013A (ja) * 2012-07-05 2014-02-13 Sharp Corp 枠体及びこの枠体を備えた太陽電池モジュール
WO2015113111A1 (fr) * 2014-01-31 2015-08-06 Bluescope Steel Limited Toit
JP2016089620A (ja) * 2014-10-30 2016-05-23 京セラ株式会社 太陽電池アレイ
JP2017204920A (ja) * 2016-05-10 2017-11-16 株式会社カネカ 太陽電池モジュール

Also Published As

Publication number Publication date
JP7033189B2 (ja) 2022-03-09
CN111699626B (zh) 2024-05-17
JPWO2019163768A1 (ja) 2021-02-04
CN111699626A (zh) 2020-09-22

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