WO2011162384A1 - Solar cell module and method for producing same - Google Patents

Solar cell module and method for producing same Download PDF

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Publication number
WO2011162384A1
WO2011162384A1 PCT/JP2011/064555 JP2011064555W WO2011162384A1 WO 2011162384 A1 WO2011162384 A1 WO 2011162384A1 JP 2011064555 W JP2011064555 W JP 2011064555W WO 2011162384 A1 WO2011162384 A1 WO 2011162384A1
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WO
WIPO (PCT)
Prior art keywords
solar cell
terminal box
cell panel
frame member
adhesive
Prior art date
Application number
PCT/JP2011/064555
Other languages
French (fr)
Japanese (ja)
Inventor
昌生 幸柳
Original Assignee
三洋電機株式会社
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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 WO2011162384A1 publication Critical patent/WO2011162384A1/en

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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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • 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 and a manufacturing method thereof, and more particularly to a solar cell module including a solar cell panel and a terminal box and a manufacturing method thereof.
  • a solar cell module including a solar cell panel and a terminal box is known.
  • Such a solar cell module is disclosed in, for example, Japanese Patent Application Laid-Open No. 2007-81034.
  • JP-A-2007-81034 discloses a solar cell module including a solar cell panel, an outer frame (frame member) surrounding the solar cell panel, and a terminal box attached to the solar cell panel and the outer frame.
  • a solar cell module including a solar cell panel, an outer frame (frame member) surrounding the solar cell panel, and a terminal box attached to the solar cell panel and the outer frame.
  • Patent Document 1 after an adhesive is applied to the lower surface (adhesion surface) of the terminal box, the operator presses the lower surface (adhesion surface) on which the adhesive of the terminal box is applied to the solar cell panel, thereby And the solar cell panel are bonded together.
  • the present invention has been made to solve the above-described problems, and one object of the present invention is to provide a solar cell module capable of reliably and easily bonding a terminal box and a method for manufacturing the same. Is to provide.
  • a solar cell module is bonded to a solar cell panel, a frame member that supports the solar cell panel, and the solar cell panel via an adhesive.
  • a terminal box having an adhesive surface and screwed to the frame member via a screw member, and at least one of the terminal box or the frame member is opposite to the solar cell panel with respect to the screw member. Protrusions that project on opposite sides facing each other are provided, and the projecting part is in contact with the frame member or the terminal box on the side opposite to the solar cell panel with respect to the screw member.
  • a method for manufacturing a solar cell module according to a second aspect of the present invention has a solar cell panel, a frame member that supports the solar cell panel, and an adhesive surface that is bonded to the solar cell panel via an adhesive.
  • a terminal box screwed to the frame member via a screw member, and at least one of the terminal box or the frame member is opposed to the screw member on the side opposite to the solar cell panel.
  • a method of manufacturing a solar cell module wherein a projecting portion projecting to the side is provided, the step of applying an adhesive to the adhesive surface of the terminal box to the solar cell panel, and the projecting portion to the screw member Bonding of the terminal box by fastening the frame member and the terminal box with the screw member in a state of being in contact with the frame member or the terminal box on the opposite side of the panel There and a step of pressing the adhesive surface applied on the solar cell panel side.
  • the air bubbles mixed in the adhesive can be crushed by the pressing force toward the solar cell panel.
  • FIG. 8 is a cross-sectional view taken along line 50-50 in FIG.
  • FIG. 5 is a cross-sectional view taken along line 51-51 in FIG.
  • a solar cell module 1 includes a plate-like solar cell panel 2, a frame member 3 that supports the solar cell panel 2, and power generation in the solar cell panel 2. And a terminal box 4 for collecting the generated electricity.
  • the solar cell panel 2 includes a surface-side cover 21 made of a transparent member such as white plate tempered glass, a weather-resistant back-side cover 22 including a resin film such as polyethylene terephthalate (PET), and a surface.
  • PET polyethylene terephthalate
  • a solar cell group 24 composed of a plurality of solar cells 23 arranged between the side cover 21 and the back side cover 22 and electrically connected in series, a front side cover 21 (back side cover 22), and a solar cell 23 And a filler 25 provided between the two.
  • the filler 25 is sealed by a panel support portion 31 described later of the frame member 3.
  • the surface of the solar cell 23 is provided with a plurality of finger electrodes 23a extending in the X direction. Further, as shown in FIG. 4, a plurality of finger electrodes 23 b are provided on the back surface of the solar cell 23.
  • the finger electrode 23a of one solar cell 23 and the finger electrode 23b of the other solar cell 23 among the solar cells 23 adjacent to each other are electrically connected by a conductive wire 24a made of a solder-plated copper wire or the like. It is connected.
  • a solar cell group 24 is configured by connecting a plurality (four in this embodiment) of solar cells 23 in series in the Y direction by the conductive wires 24a.
  • a plurality of solar cell groups 24 are provided.
  • the plurality of solar cell groups 24 are arranged in parallel to each other in the X direction.
  • the solar cells 23 arranged at the end portions on the arrow Y1 direction side of the solar cell groups 24 in the second and third rows are as follows.
  • the conductive wire 24a and the L-shaped connecting member 24b are electrically connected.
  • the solar cells 23 arranged at the end of the fourth row and fifth row solar cell groups 24 on the arrow Y1 direction side are electrically connected by a conductive wire 24a and an L-shaped connecting member 24c. .
  • the solar cells 23 arranged and the solar cells 23 arranged at the ends of the fifth row and sixth row solar cell groups 24 on the arrow Y2 direction side are electrically connected by the conductive wires 24a and the connection members 24d, respectively. Connected.
  • the plurality of solar cell groups 24 are electrically connected in series via the connection members 24b, 24c, and 24d.
  • the solar cell 23 located at the end (the solar cell 23 located at the end of the first row and sixth row solar cell groups 24 on the arrow Y1 direction side. ) are connected to L-shaped connecting members 24e and 24f, respectively.
  • the connection members 24b, 24c, 24d, 24e, and 24f are electrically connected to the finger electrodes 23a or 23b of the solar cell 23 located at the end of the solar cell group 24 in the Y direction by the conductive wires 24a. Has been.
  • connection member 24 b As shown in FIG. 5, the L-shaped connection member 24 b, connection member 24 c, connection member 24 e, and connection member 24 f are led out to the outside of the solar cell panel 2 through the notches 22 a of the back surface side cover 22. ing. The front ends of these connecting members 24b, 24c, 24e and 24f are electrically connected to terminal blocks 43, 44, 45 and 46, which will be described later, in the terminal box 4.
  • the frame member 3 is formed in a frame shape so as to surround the outer peripheral portion of the solar cell panel 2 in plan view.
  • the frame member 3 includes a panel support portion 31 having a horizontal U-shaped cross section and a terminal box mounting portion 32 having a hollow cylindrical structure.
  • the terminal box attachment portion 32 is provided with a screw hole 32a into which the screw member 6 is screwed.
  • a pair of screw holes 32a (see FIG. 13) is provided at positions corresponding to through holes 48a of a pair of screwing portions 48 described later of the terminal box 4.
  • the frame member 3 is made of a metal such as aluminum.
  • the terminal box 4 includes a main body 41, a lid member 42, four terminal blocks 43, 44, 45 and 46 (see FIG. 7), an external connection cable 47, and a pair. And a screwing portion 48.
  • the main body 41 has a box shape.
  • the lid member 42 is provided so as to cover the main body 41.
  • the main body 41 and the lid member 42 are made of a resin member.
  • openings 41b, 41c, 41d and 41e are formed on the bottom surface of the main body 41.
  • the openings 41b to 41e are provided for introducing the connecting members 24b, 24c, 24e and 24f from the outside (the solar cell panel 2 side) of the main body 41 to the inside (the terminal blocks 43 to 46 side), respectively.
  • the terminal blocks 43 to 46 are installed inside the main body 41. Further, the terminal blocks 43, 44, 45 and 46 are connected to connection members 24b, 24c, 24e and 24f, respectively.
  • the terminal blocks 43, 44, 45 and 46 have terminals 43a, 44a, 45a and 46a, respectively.
  • the terminals 43a, 44a, 45a and 46a are connected to the external connection cable 47 via the terminal blocks 43, 44, 45 and 46, respectively.
  • the terminal blocks adjacent to each other are connected via bypass diodes 49a, 49b and 49c.
  • a pair of screwing portions 48 are provided so as to protrude outward from both side surfaces of the main body portion 41 in the X direction.
  • the screwing portion 48 is formed in a plate shape extending in the Z direction at the end on the side of the main body 41 on the arrow Y1 direction side.
  • the screwing portion 48 is provided with a through hole 48 a into which the screw member 6 is inserted.
  • the through hole 48 a is provided at a position shifted upward (in the direction of the arrow Z ⁇ b> 1) from the center position of the screwing portion 48.
  • the through hole 48a is provided so as to penetrate the surface of the screwing portion 48 on the arrow Y2 direction side and the inclined surface of the inclined portion 480b described later.
  • the through hole 48a is an example of the “hole” in the present invention.
  • the back surface of the terminal box 4 (the surface on the arrow Y1 direction side of the screwing portion 48 and the surface on the arrow Y1 direction side of the main body portion 41).
  • the projection protrudes to the opposite surface side (arrow Y1 direction side) facing the terminal box 4 of the frame member 3 and contacts the frame member 3 on the opposite side of the solar cell panel 2 with respect to the screw member 6.
  • a protruding portion 480 having a portion (a top portion 480a described later) is provided. As shown in FIGS. 8, 9, and 11, the protrusion 480 is perpendicular to the direction (Y direction) in which the terminal box 4 and the frame member 3 face each other, and is parallel to the solar cell panel 2.
  • the protruding portion 480 has a top portion 480 a (abutting portion) having the smallest space between the frame member 3 and the top portion 480 a toward the solar cell panel 2 side. It is comprised by the inclination part 480b formed so that the space
  • the top portion 480 a is the solar cell panel 2 on the back surface of the terminal box 4 (opposite surface facing the frame member 3 of the terminal box 4 (surface on the arrow Y1 direction side)). It is arrange
  • the top portion 480 a has the frame member 3 on the opposite side (arrow Z ⁇ b> 1 direction side) to the solar cell panel 2 with respect to the screw member 6 (through hole 48 a and screw hole 32 a). It is comprised so that it may contact
  • the inclined portion 480b is formed of an inclined surface having a predetermined inclination angle. As shown in FIG. 12, the inclined surface of the inclined portion 480b is near the portion where the screw member 6 is disposed (slightly lower than the position where the through hole 48a is provided (point A))) to the top 480a (see point B).
  • the lower surface (the surface on the arrow Z2 direction side) of the terminal box 4 is attached to the back surface (the surface on the arrow Z1 direction side) of the solar cell panel 2. Is glued through. That is, the terminal box 4 has an adhesive surface 40 (in this embodiment, the lower surface of the terminal box 4) that is bonded to the solar cell panel 2 via the adhesive 5.
  • the bonding surface 40 is in a state where the top 480a of the protrusion 480 is in contact with the frame member 3 on the opposite side of the solar battery panel 2 with respect to the screw member 6, and the frame member 3 and the terminal box 4 are connected by the screw member 6.
  • the solar battery panel 2 is pressed (see FIGS. 16 and 17).
  • the bonding surface 40 moves toward the side opposite to the frame member 3 (the arrow Y2 direction side). It is inclined so as to approach the battery panel 2.
  • the distance D1 between the end of the bonding surface 40 on the arrow Y2 direction side and the solar cell panel 2 is equal to the end of the bonding surface 40 on the arrow Y1 direction side and the solar cell. It is comprised so that it may become smaller than the space
  • the distance D1 is about 1 mm and the distance D2 is about 2 mm.
  • the adhesive 5 includes the back surface of the solar cell panel 2 (the surface on the arrow Z1 direction side), the adhesive surface 40 of the terminal box 4 (the lower surface of the terminal box 4), and the terminal box 4.
  • the back surface (the surface of the screwing portion 48 on the arrow Y1 direction side and the surface of the main body portion 41 on the arrow Y1 direction side) and the terminal box mounting portion 32 of the frame member 3 are filled. Note that the adhesive 5 protrudes outward from the terminal box 4.
  • the adhesive 5 is made of silicone resin or epoxy resin.
  • the terminal box 4 is screwed to the frame member 3 via the screw member 6.
  • the screw member 6 is inserted into the through hole 48 a of the screwing portion 48 of the terminal box 4, and is screwed into the screw hole 32 a of the frame member 3.
  • the box 4 and the frame member 3 are fastened through the screw member 6.
  • a solar cell panel 2 including a front surface side cover 21, a back surface side cover 22, a solar cell group 24 including solar cells 23, a filler 25, and the like is prepared.
  • the frame member 3 is attached so that the outer peripheral part of the solar cell panel 2 may be surrounded.
  • connection members 24b, 24c, 24e, and 24f are led out from the back surface side cover 22 of the solar cell panel 2.
  • the adhesive agent 5 is apply
  • FIG. 14 in this embodiment, as shown in FIG. 14, not only the bonding surface 40 (the lower surface of the terminal box 4) but also the back surface of the terminal box (the surface on the arrow Y1 direction side) on the solar cell panel 2 side (the arrow Z1 direction side).
  • the adhesive 5 is also applied in the vicinity of the end of the.
  • coated the adhesive agent 5 is arrange
  • the bonding surface 40 of the terminal box 4 is the back surface of the solar cell panel 2 (surface on the arrow Z1 direction side) so that the top 480a of the protrusion 480 on the back surface of the terminal box 4 contacts the frame member 3. Press up.
  • each of the four connection members 24b, 24c, 24e and 24f led out from the back surface side cover 22 of the solar cell panel 2 is inserted into the openings 31b to 31e formed on the lower surface of the main body 41. Keep it.
  • the through hole 48a of the screwing portion 48 of the terminal box 4 and the screw hole 32a of the terminal box mounting portion 32 of the frame member 3 are overlapped.
  • the screw member 6 is inserted into the through hole 48a of the screwing portion 48 of the terminal box 4 and the screw hole 32a of the terminal box mounting portion 32 of the frame member 3. Then, as shown in FIG. 16, the terminal box 4 and the frame member 3 are lightly fastened by the screw member 6, thereby temporarily fixing the terminal box 4 to the frame member 3. At this stage, the adhesive surface 40 of the terminal box 4 and the back surface of the solar cell panel 2 are substantially parallel. Then, the terminals 43a to 46a of the terminal blocks 43 to 46 of the terminal box 4 are electrically connected to the tips of the connection members 24b, 24c, 24e and 24f introduced into the terminal box 4 by soldering. To do.
  • the screw member 6 is finally tightened. Specifically, the top member 480a of the protruding portion 480 of the terminal box 4 is in contact with the frame member 3 on the side opposite to the solar cell panel 2 with respect to the screw member 6, and the frame member 3 by the screw member 6. And the terminal box 4 are further fastened (retightened). Thereby, the terminal box 4 is completely fixed to the frame member 3 via the screw member 6.
  • the screw member 6 makes an arrow Y1 with respect to a portion closer to the solar cell panel 2 (arrow Z2 direction side) than a portion (top portion 480a) in contact with the frame member 3 of the terminal box 4.
  • Directional force is applied.
  • the terminal box 4 due to the lever principle, the terminal box 4 generates a rotational force in the direction toward the solar cell panel 2 with the top 480a of the protrusion 480 as a fulcrum. And the adhesion surface 40 of the terminal box 4 is pressed to the solar cell panel 2 side by this rotational force. That is, the bonding surface 40 is inclined so as to approach the solar cell panel 2 as it goes to the side opposite to the frame member 3. At this time, the adhesive 4 between the adhesive surface 40 of the terminal box 4 and the solar cell panel 2 is pushed out and protrudes outside the terminal box 4.
  • the distance D1 between the end of the bonding surface 40 on the arrow Y2 direction side and the solar cell panel 2 is about 1 mm, and the end of the bonding surface 40 on the arrow Y1 direction side and the solar cell.
  • the bonding surface 40 is inclined so that the distance D2 between the panel 2 is about 2 mm, the final tightening is completed.
  • the adhesive agent 5 is hardened by leaving it to stand for a predetermined period. Thereby, the terminal box 4 and the solar cell panel 2 are fixed. Thus, the solar cell module 1 is completed.
  • the inside of the adhesive 5 is caused by the pressing force of the adhesive surface 40 generated when the frame member 3 and the terminal box 4 are screwed to the solar cell panel 2 side. Bubbles mixed in can be crushed. Thereby, since the adhesive force of the adhesive agent 5 between the adhesive surface 40 of the terminal box 4 and the solar cell panel 2 can be improved easily, adhesion of the terminal box 4 can be performed reliably. Further, by managing the fastening force (tightening torque) of the screw member 6, it is possible to manage the pressing force of the bonding surface 40 toward the solar cell panel 2 side, so that the terminal box 4 can be securely bonded. it can. In addition, since the terminal box 4 can be reliably and simply bonded in this manner, the working time can be reduced and the manufacturing cost can be reduced.
  • An inclined portion 480b in which the distance from the frame member 3 gradually increases toward the panel 2 is provided on the protruding portion 480.
  • the adhesive surface 40 of the terminal box 49 can be pressed to the solar cell panel 2 side by generating a rotational force in the direction toward the solar cell panel 2 side with the top 480a as a fulcrum.
  • the pressing force (the top 480a on the top portion 480a) of the adhesive surface 40 toward the solar cell panel 2 side is obtained.
  • the bubbles can be easily crushed by the rotational force in the direction toward the solar cell panel 2.
  • the terminal box 4 can be more reliably bonded.
  • the edge part (arrow Z1 direction side side) opposite to the solar cell panel 2 of the opposing surface (surface on the arrow Y1 direction side) facing the frame member 3 of the terminal box 4 is provided.
  • An apex portion 480a is provided at the end).
  • the frame member 3 and the terminal box 4 are screwed by the screw member 6 at a portion corresponding to the inclined surface of the inclined portion 480b.
  • the inclined surface of the inclined portion 480b is viewed from the side surface of the terminal box 4 in the vicinity of the portion where the screw member 6 is disposed (from the position where the through hole 48a is provided). It is provided from the slightly lower side (see point A in FIG. 12) toward the top 480a (see point B in FIG. 12).
  • the inclination angle of the inclined portion 480 is made larger than the case where the inclined surface of the inclined portion 480b is provided toward the top portion 480a from the portion distant from the solar cell panel 2 with respect to the screw member 6. Can do.
  • the rotational force in the direction toward the solar cell panel 2 with the apex 480a as a fulcrum can be more easily generated. Can be more easily bonded.
  • the terminal box 4 and the frame member 3 are inclined so as to approach each other.
  • interval between the terminal box 4 and the frame member 3 can be made small as it goes to the solar cell panel 2 side, the surface and frame member which oppose the frame member 3 of the terminal box 4 to that extent The volume of the adhesive 5 between 3 can be reduced.
  • the bubbles in the adhesive 5 between the terminal box and the frame member 3 can be more reliably crushed, so that the adhesive force of the adhesive 5 can be further improved.
  • the terminal box 4 can be more reliably bonded.
  • the direction perpendicular to the direction in which the terminal box 4 and the frame member 3 face (Y direction) and parallel to the solar cell panel 2 (X direction).
  • a protrusion 480 is formed to extend along the line.
  • the adhesion surface 49 of the terminal box 4 to the solar cell panel 2 is inclined so as to approach the solar cell panel 2 toward the opposite side to the frame member 3.
  • interval between the adhesion surface 40 and the solar cell panel 2 can be made small as it goes to the opposite side to the frame member 3 of the adhesion surface 40, the adhesion surface 40 of the terminal box 4 is equivalent.
  • the volume of the adhesive 5 between the solar cell panel 2 can be reduced.
  • the bubbles in the adhesive 5 can be more reliably crushed, so that the adhesive force of the adhesive 5 can be further improved.
  • the terminal box 4 can be more reliably bonded.
  • the adhesive 5 protrudes outward from the terminal box 4.
  • the adhesive 5 can be sufficiently filled between the terminal box 4 and the solar cell panel 2 by performing the bonding operation of the terminal box 4 until the adhesive 5 protrudes from the outside of the terminal box 4.
  • the protruding portion 480 is provided in the terminal box 4 as described above.
  • the screwing portion 48 having the through hole 48a into which the screw member 6 is inserted is formed on the surface of the terminal box 4 on the frame member 3 side, and the through hole of the screwing portion 48 is formed.
  • a protruding portion 480 is formed so as to protrude toward the frame member 3 on the side opposite to the solar cell panel 2 with respect to the screw member 6 inserted into 48a.
  • the protruding portion may be provided on the frame member, or the protrusion may be provided on both the terminal box and the frame member.
  • the protruding portion 321 may be provided on the terminal box mounting portion 320 of the frame member 300.
  • the top 321a of the protrusion 321 is in contact with the terminal box 400 on the side opposite to the solar cell panel 2 with respect to the screw member 6, so when the final tightening of the screw member 6 is performed, Similar to the above embodiment, the adhesive surface 440 of the terminal box 400 is pressed toward the solar cell panel 2 side.
  • the present invention is not limited to this.
  • the inclined portion 481 b of the protruding portion 481 is provided from the lower end portion (see point C) on the back surface of the terminal box 401 toward the top 481 a (see point D). You may comprise by an inclined surface.
  • the projecting portion is constituted by the top and the inclined portion
  • the present invention is not limited to this.
  • the protruding portion may be configured by a protruding portion that does not include the inclined portion.
  • the adhesion surface with respect to the solar cell panel of a terminal box showed the example inclined so that it might approach a solar cell panel toward the opposite side to a frame member
  • this invention shows this. Not exclusively.
  • the projecting portion is screwed by fastening the frame member and the terminal box by the screw member in a state in which the projecting portion is in contact with the frame member or the terminal box on the opposite side of the solar battery panel. At this time, if the adhesive surface is pressed toward the solar cell panel, the adhesive surface does not need to be inclined.

Abstract

The disclosed solar cell module is provided with a solar cell panel, a frame member, and a terminal box, and is configured in a manner such that, at the terminal box and/or the frame member, a protruding section that protrudes at the facing surface at which the two face each other is provided at the side of a screw member that is farther from the solar cell panel, and when fastening the frame member and the terminal box by means of the screw member, the bonding surface of the terminal box is pressed against and bonded to the solar cell panel.

Description

太陽電池モジュールおよびその製造方法Solar cell module and manufacturing method thereof
　本発明は、太陽電池モジュールおよびその製造方法に関し、特に、太陽電池パネルおよび端子ボックスを備えた太陽電池モジュールおよびその製造方法に関する。 The present invention relates to a solar cell module and a manufacturing method thereof, and more particularly to a solar cell module including a solar cell panel and a terminal box and a manufacturing method thereof.
　従来、太陽電池パネルおよび端子ボックスを備えた太陽電池モジュールが知られている。このような太陽電池モジュールは、たとえば、特開２００７－８１０３４号公報に開示されている。 Conventionally, a solar cell module including a solar cell panel and a terminal box is known. Such a solar cell module is disclosed in, for example, Japanese Patent Application Laid-Open No. 2007-81034.
　上記特開２００７－８１０３４号公報には、太陽電池パネルと、太陽電池パネルを取り囲む外枠（枠部材）と、太陽電池パネルと外枠とに取り付けられる端子ボックスとを備えた太陽電池モジュールが開示されている。この特許文献１では、端子ボックスの下面（接着面）に接着剤を塗布した後に、作業者が端子ボックスの接着剤が塗布された下面（接着面）を太陽電池パネルに押し付けることにより、端子ボックスと太陽電池パネルとを接着するように構成されている。 JP-A-2007-81034 discloses a solar cell module including a solar cell panel, an outer frame (frame member) surrounding the solar cell panel, and a terminal box attached to the solar cell panel and the outer frame. Has been. In Patent Document 1, after an adhesive is applied to the lower surface (adhesion surface) of the terminal box, the operator presses the lower surface (adhesion surface) on which the adhesive of the terminal box is applied to the solar cell panel, thereby And the solar cell panel are bonded together.
特開２００７－８１０３４号公報JP 2007-81034 A
　しかしながら、上記特開２００７－８１０３４号公報では、端子ボックスを接着する際に、端子ボックスの接着面と太陽電池パネルとの間の接着剤に気泡が混入すると、接着剤の接着力が低下するおそれがある。このような気泡の混入を抑制して接着を確実に行うためには、十分な力を加えて注意深く接着作業を行う必要があるので、接着作業が複雑になるという問題点がある。 However, in the above Japanese Patent Application Laid-Open No. 2007-81034, when the terminal box is bonded, if bubbles are mixed in the adhesive between the bonding surface of the terminal box and the solar cell panel, the adhesive strength of the adhesive may be reduced. There is. In order to suppress the mixing of bubbles and perform bonding securely, it is necessary to apply a sufficient force and carefully perform the bonding operation, which causes a problem that the bonding operation becomes complicated.
　この発明は、上記のような課題を解決するためになされたものであり、この発明の１つの目的は、端子ボックスの接着を確実かつ簡単に行うことが可能な太陽電池モジュールおよびその製造方法を提供することである。 The present invention has been made to solve the above-described problems, and one object of the present invention is to provide a solar cell module capable of reliably and easily bonding a terminal box and a method for manufacturing the same. Is to provide.
　上記目的を達成するために、この発明の第１の局面による太陽電池モジュールは、太陽電池パネルと、太陽電池パネルを支持する枠部材と、太陽電池パネルに対して接着剤を介して接着される接着面を有するとともに、枠部材に対してねじ部材を介してねじ止めされる端子ボックスとを備え、端子ボックスまたは枠部材の少なくとも一方には、ねじ部材に対して太陽電池パネルとは反対側で互いに対向する対向面側に突出する突出部が設けられており、突出部がねじ部材に対して太陽電池パネルとは反対側で枠部材または端子ボックスに当接した状態でねじ部材により枠部材と端子ボックスとが締結されることによりねじ止めされる際に、端子ボックスの太陽電池パネルに対する接着面が太陽電池パネル側に押圧されて接着されるように構成されている。 To achieve the above object, a solar cell module according to a first aspect of the present invention is bonded to a solar cell panel, a frame member that supports the solar cell panel, and the solar cell panel via an adhesive. A terminal box having an adhesive surface and screwed to the frame member via a screw member, and at least one of the terminal box or the frame member is opposite to the solar cell panel with respect to the screw member. Protrusions that project on opposite sides facing each other are provided, and the projecting part is in contact with the frame member or the terminal box on the side opposite to the solar cell panel with respect to the screw member. When the terminal box is screwed by being fastened, the bonding surface of the terminal box to the solar cell panel is pressed against the solar cell panel to be bonded. It is.
　この発明の第２の局面による太陽電池モジュールの製造方法は、太陽電池パネルと、太陽電池パネルを支持する枠部材と、太陽電池パネルに対して接着剤を介して接着される接着面を有するとともに、枠部材に対してねじ部材を介してねじ止めされる端子ボックスとを備え、端子ボックスまたは枠部材の少なくとも一方には、ねじ部材に対して太陽電池パネルとは反対側で互いに対向する対向面側に突出する突出部が設けられている、太陽電池モジュールの製造方法であって、端子ボックスの太陽電池パネルに対する接着面に接着剤を塗布する工程と、突出部をねじ部材に対して太陽電池パネルとは反対側で枠部材または端子ボックスに当接させた状態でねじ部材により枠部材と端子ボックスとを締結することにより、端子ボックスの接着剤が塗布された接着面を太陽電池パネル側に押圧する工程とを備える。 A method for manufacturing a solar cell module according to a second aspect of the present invention has a solar cell panel, a frame member that supports the solar cell panel, and an adhesive surface that is bonded to the solar cell panel via an adhesive. A terminal box screwed to the frame member via a screw member, and at least one of the terminal box or the frame member is opposed to the screw member on the side opposite to the solar cell panel A method of manufacturing a solar cell module, wherein a projecting portion projecting to the side is provided, the step of applying an adhesive to the adhesive surface of the terminal box to the solar cell panel, and the projecting portion to the screw member Bonding of the terminal box by fastening the frame member and the terminal box with the screw member in a state of being in contact with the frame member or the terminal box on the opposite side of the panel There and a step of pressing the adhesive surface applied on the solar cell panel side.
　この発明の第１の局面による太陽電池モジュールおよび第２の局面による太陽電池モジュールの製造方法では、上記のように構成することによって、枠部材と端子ボックスとをねじ止めする際に発生する接着面の太陽電池パネル側への押圧力により、接着剤中に混入する気泡を押しつぶすことができる。これにより、端子ボックスの接着面と太陽電池パネルとの間の接着剤の接着力を容易に向上させることができるので、端子ボックスの接着を確実に行うことができる。また、ねじ部材の締結力を管理することにより、接着面の太陽電池パネル側への押圧力を管理することができるので、端子ボックスの接着を簡単に行うことができる。また、このように端子ボックスの接着を確実かつ簡単に行うことができることにより、作業時間を低減させることができるとともに、製造コストを低減させることができる。 In the manufacturing method of the solar cell module according to the first aspect and the solar cell module according to the second aspect of the present invention, the adhesive surface generated when the frame member and the terminal box are screwed by being configured as described above. The air bubbles mixed in the adhesive can be crushed by the pressing force toward the solar cell panel. Thereby, since the adhesive force of the adhesive agent between the adhesion surface of a terminal box and a solar cell panel can be improved easily, adhesion of a terminal box can be performed reliably. Further, by managing the fastening force of the screw member, it is possible to manage the pressing force of the bonding surface to the solar cell panel side, so that the terminal box can be easily bonded. In addition, since the terminal box can be reliably and easily bonded in this manner, the working time can be reduced and the manufacturing cost can be reduced.
本発明の一実施形態による太陽電池モジュールの全体構造を示した斜視図である。It is the perspective view which showed the whole structure of the solar cell module by one Embodiment of this invention. 図１に示した太陽電池モジュールを裏面側から見た斜視図である。It is the perspective view which looked at the solar cell module shown in FIG. 1 from the back surface side. 図１に示した太陽電池モジュールの表面を示した平面図である。It is the top view which showed the surface of the solar cell module shown in FIG. 図１に示した太陽電池モジュールの裏面を示した底面図である。It is the bottom view which showed the back surface of the solar cell module shown in FIG. 図１に示した太陽電池モジュールのＹ方向に沿った模式的な断面図である。It is typical sectional drawing along the Y direction of the solar cell module shown in FIG. 本発明の一実施形態による端子ボックスを示した斜視図である。It is the perspective view which showed the terminal box by one Embodiment of this invention. 図５に示した端子ボックスの蓋部材を除いた状態を示した平面図である。It is the top view which showed the state except the cover member of the terminal box shown in FIG. 図７の５０－５０線に沿った断面図である。FIG. 8 is a cross-sectional view taken along line 50-50 in FIG. 図７の５１－５１線に沿った断面図である。FIG. 5 is a cross-sectional view taken along line 51-51 in FIG. 本発明の一実施形態による端子ボックスを示した正面図である。It is the front view which showed the terminal box by one Embodiment of this invention. 図１０に示した端子ボックスの背面図である。It is a rear view of the terminal box shown in FIG. 図１０に示した端子ボックスの側面図である。It is a side view of the terminal box shown in FIG. 本発明の一実施形態による端子ボックスを太陽電池パネル上に配置する工程を説明するための斜視図である。It is a perspective view for demonstrating the process of arrange | positioning the terminal box by one Embodiment of this invention on a solar cell panel. 本発明の一実施形態による端子ボックスを太陽電池パネル上に配置する工程を説明するための断面図である。It is sectional drawing for demonstrating the process of arrange | positioning the terminal box by one Embodiment of this invention on a solar cell panel. 本発明の一実施形態による端子ボックスと枠部材とをねじ止めする工程を説明するための断面図である。It is sectional drawing for demonstrating the process of screwing the terminal box and frame member by one Embodiment of this invention. 本発明の一実施形態による端子ボックスと枠部材とをねじ止めする工程における仮止め時の状態を示した断面図である。It is sectional drawing which showed the state at the time of temporary fixing in the process of screwing the terminal box and frame member by one Embodiment of this invention. 本発明の一実施形態による端子ボックスと枠部材とをねじ止めする工程における最終締め付け時の状態を示した断面図である。It is sectional drawing which showed the state at the time of the final fastening in the process of screwing the terminal box and frame member by one Embodiment of this invention. 本発明の一実施形態の第１変形例による太陽電池モジュールを示した断面図である。It is sectional drawing which showed the solar cell module by the 1st modification of one Embodiment of this invention. 本発明の一実施形態の第２変形例による端子ボックスを示した側面図である。It is the side view which showed the terminal box by the 2nd modification of one Embodiment of this invention.
　以下、本発明の実施形態を図面に基づいて説明する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
　まず、図１～図１２を参照して、本発明の一実施形態による太陽電池モジュール１の構造を説明する。 First, the structure of a solar cell module 1 according to an embodiment of the present invention will be described with reference to FIGS.
　図１および図２に示すように、本発明の一実施形態による太陽電池モジュール１は、板状の太陽電池パネル２と、太陽電池パネル２を支持する枠部材３と、太陽電池パネル２において発電された電気を集電するための端子ボックス４とを備えている。太陽電池パネル２は、図５に示すように、白板強化ガラスなどの透明な部材からなる表面側カバー２１と、ポリエチレンテレフタレート（ＰＥＴ）などの樹脂フィルムを含む耐候性の裏面側カバー２２と、表面側カバー２１と裏面側カバー２２との間に配置され、電気的に直列接続されている複数の太陽電池２３からなる太陽電池群２４と、表面側カバー２１（裏面側カバー２２）と太陽電池２３との間に設けられる充填材２５とにより構成されている。充填剤２５は、枠部材３の後述するパネル支持部３１によりシールされている。 As shown in FIGS. 1 and 2, a solar cell module 1 according to an embodiment of the present invention includes a plate-like solar cell panel 2, a frame member 3 that supports the solar cell panel 2, and power generation in the solar cell panel 2. And a terminal box 4 for collecting the generated electricity. As shown in FIG. 5, the solar cell panel 2 includes a surface-side cover 21 made of a transparent member such as white plate tempered glass, a weather-resistant back-side cover 22 including a resin film such as polyethylene terephthalate (PET), and a surface. A solar cell group 24 composed of a plurality of solar cells 23 arranged between the side cover 21 and the back side cover 22 and electrically connected in series, a front side cover 21 (back side cover 22), and a solar cell 23 And a filler 25 provided between the two. The filler 25 is sealed by a panel support portion 31 described later of the frame member 3.
　図３に示すように、太陽電池２３の表面には、Ｘ方向に延びる複数のフィンガー電極２３ａが設けられている。また、図４に示すように、太陽電池２３の裏面には、複数のフィンガー電極２３ｂが設けられている。また、互いに隣接する太陽電池２３のうちの一方の太陽電池２３のフィンガー電極２３ａと、他方の太陽電池２３のフィンガー電極２３ｂとが、半田めっきされた銅線などからなる導電線２４ａによって電気的に接続されている。導電線２４ａによって複数（本実施形態では、４つ）の太陽電池２３がＹ方向に直列に接続されることにより太陽電池群２４が構成されている。 As shown in FIG. 3, the surface of the solar cell 23 is provided with a plurality of finger electrodes 23a extending in the X direction. Further, as shown in FIG. 4, a plurality of finger electrodes 23 b are provided on the back surface of the solar cell 23. In addition, the finger electrode 23a of one solar cell 23 and the finger electrode 23b of the other solar cell 23 among the solar cells 23 adjacent to each other are electrically connected by a conductive wire 24a made of a solder-plated copper wire or the like. It is connected. A solar cell group 24 is configured by connecting a plurality (four in this embodiment) of solar cells 23 in series in the Y direction by the conductive wires 24a.
　図３および図４に示すように、太陽電池群２４は、複数（本実施形態では、６つ）設けられている。複数の太陽電池群２４は、Ｘ方向に互いに並列に配置されている。そして、図３における矢印Ｘ１方向側の端部の列を１列目とした場合、２列目および３列目の太陽電池群２４の矢印Ｙ１方向側の端部に配置された太陽電池２３は、導電線２４ａと、Ｌ字状の接続部材２４ｂとによって、電気的に接続されている。４列目および５列目の太陽電池群２４の矢印Ｙ１方向側の端部に配置された太陽電池２３は、導電線２４ａと、Ｌ字状の接続部材２４ｃとによって電気的に接続されている。１列目および２列目の太陽電池群２４の矢印Ｙ２方向側の端部に配置された太陽電池２３、３列目および４列目の太陽電池群２４の矢印Ｙ２方向側の端部に配置された太陽電池２３、および、５列目および６列目の太陽電池群２４の矢印Ｙ２方向側の端部に配置された太陽電池２３は、それぞれ、導電線２４ａと、接続部材２４ｄとによって電気的に接続されている。このように、複数の太陽電池群２４は、接続部材２４ｂ、２４ｃおよび２４ｄを介して電気的に直列に接続されている。この電気的に直列に接続された太陽電池群２４のうち、終端に位置する太陽電池２３（１列目および６列目の太陽電池群２４の矢印Ｙ１方向側の端部に位置する太陽電池２３）には、それぞれ、Ｌ字状の接続部材２４ｅおよび２４ｆが接続されている。また、接続部材２４ｂ、２４ｃ、２４ｄ、２４ｅおよび２４ｆと、太陽電池群２４のＹ方向の端部に位置する太陽電池２３のフィンガー電極２３ａまたは２３ｂとは、それぞれ、導電線２４ａによって電気的に接続されている。 As shown in FIGS. 3 and 4, a plurality of solar cell groups 24 (six in this embodiment) are provided. The plurality of solar cell groups 24 are arranged in parallel to each other in the X direction. When the end row on the arrow X1 direction side in FIG. 3 is the first row, the solar cells 23 arranged at the end portions on the arrow Y1 direction side of the solar cell groups 24 in the second and third rows are as follows. The conductive wire 24a and the L-shaped connecting member 24b are electrically connected. The solar cells 23 arranged at the end of the fourth row and fifth row solar cell groups 24 on the arrow Y1 direction side are electrically connected by a conductive wire 24a and an L-shaped connecting member 24c. . Arranged at the end of the solar cell group 24 in the first row and the second row on the arrow Y2 direction side, on the end of the third row and fourth row solar cell group 24 on the arrow Y2 direction side. The solar cells 23 arranged and the solar cells 23 arranged at the ends of the fifth row and sixth row solar cell groups 24 on the arrow Y2 direction side are electrically connected by the conductive wires 24a and the connection members 24d, respectively. Connected. Thus, the plurality of solar cell groups 24 are electrically connected in series via the connection members 24b, 24c, and 24d. Of the solar cell group 24 electrically connected in series, the solar cell 23 located at the end (the solar cell 23 located at the end of the first row and sixth row solar cell groups 24 on the arrow Y1 direction side. ) Are connected to L-shaped connecting members 24e and 24f, respectively. In addition, the connection members 24b, 24c, 24d, 24e, and 24f are electrically connected to the finger electrodes 23a or 23b of the solar cell 23 located at the end of the solar cell group 24 in the Y direction by the conductive wires 24a. Has been.
　図５に示すように、Ｌ字状の接続部材２４ｂ、接続部材２４ｃ、接続部材２４ｅおよび接続部材２４ｆは、それぞれ、裏面側カバー２２の切欠き２２ａを介して太陽電池パネル２の外側に導出されている。これらの接続部材２４ｂ、２４ｃ、２４ｅおよび２４ｆのそれぞれの先端部は、端子ボックス４内の後述する端子台４３、４４、４５および４６と電気的に接続されている。 As shown in FIG. 5, the L-shaped connection member 24 b, connection member 24 c, connection member 24 e, and connection member 24 f are led out to the outside of the solar cell panel 2 through the notches 22 a of the back surface side cover 22. ing. The front ends of these connecting members 24b, 24c, 24e and 24f are electrically connected to terminal blocks 43, 44, 45 and 46, which will be described later, in the terminal box 4.
　図３および図４に示すように、枠部材３は、平面的に見て、太陽電池パネル２の外周部を取り囲むように枠形状に形成されている。また、枠部材３は、図５に示すように、横Ｕ字形状の断面を有するパネル支持部３１と、中空の筒状構造を有する端子ボックス取付部３２とにより構成されている。端子ボックス取付部３２には、ねじ部材６が螺合されるねじ孔３２ａが設けられている。ねじ孔３２ａは、端子ボックス４の後述する一対のねじ止め部４８の貫通孔４８ａに対応する位置に一対（図１３参照）設けられている。なお、枠部材３は、アルミニウムなどの金属からなる。 3 and 4, the frame member 3 is formed in a frame shape so as to surround the outer peripheral portion of the solar cell panel 2 in plan view. As shown in FIG. 5, the frame member 3 includes a panel support portion 31 having a horizontal U-shaped cross section and a terminal box mounting portion 32 having a hollow cylindrical structure. The terminal box attachment portion 32 is provided with a screw hole 32a into which the screw member 6 is screwed. A pair of screw holes 32a (see FIG. 13) is provided at positions corresponding to through holes 48a of a pair of screwing portions 48 described later of the terminal box 4. The frame member 3 is made of a metal such as aluminum.
　図６～図１２に示すように、端子ボックス４は、本体部４１と、蓋部材４２と、４つの端子台４３、４４、４５および４６（図７参照）と、外部接続ケーブル４７と、一対のねじ止め部４８とを含んでいる。本体部４１は、箱形状を有している。蓋部材４２は、本体部４１を覆うように設けられている。なお、本体部４１および蓋部材４２は、樹脂部材からなる。 As shown in FIGS. 6 to 12, the terminal box 4 includes a main body 41, a lid member 42, four terminal blocks 43, 44, 45 and 46 (see FIG. 7), an external connection cable 47, and a pair. And a screwing portion 48. The main body 41 has a box shape. The lid member 42 is provided so as to cover the main body 41. The main body 41 and the lid member 42 are made of a resin member.
　図７に示すように、本体部４１の底面には、４つの開口部４１ｂ、４１ｃ、４１ｄおよび４１ｅが形成されている。開口部４１ｂ～４１ｅは、それぞれ、接続部材２４ｂ、２４ｃ、２４ｅおよび２４ｆを本体部４１の外部（太陽電池パネル２側）から内部（端子台４３～４６側）に導入するために設けられている。端子台４３～４６は、本体部４１の内部に設置されている。また、端子台４３、４４、４５および４６は、それぞれ、接続部材２４ｂ、２４ｃ、２４ｅおよび２４ｆと接続されている。また、端子台４３、４４、４５および４６は、それぞれ、端子４３ａ、４４ａ、４５ａおよび４６ａを有している。端子４３ａ、４４ａ、４５ａおよび４６ａは、それぞれ、端子台４３、４４、４５および４６を介して外部接続ケーブル４７に接続されている。なお、互いに隣接する端子台同士（端子台４３および端子台４４、端子台４３および端子台４５、端子台４４および端子台４６）は、バイパスダイオード４９ａ、４９ｂおよび４９ｃを介して接続されている。 As shown in FIG. 7, four openings 41b, 41c, 41d and 41e are formed on the bottom surface of the main body 41. The openings 41b to 41e are provided for introducing the connecting members 24b, 24c, 24e and 24f from the outside (the solar cell panel 2 side) of the main body 41 to the inside (the terminal blocks 43 to 46 side), respectively. . The terminal blocks 43 to 46 are installed inside the main body 41. Further, the terminal blocks 43, 44, 45 and 46 are connected to connection members 24b, 24c, 24e and 24f, respectively. The terminal blocks 43, 44, 45 and 46 have terminals 43a, 44a, 45a and 46a, respectively. The terminals 43a, 44a, 45a and 46a are connected to the external connection cable 47 via the terminal blocks 43, 44, 45 and 46, respectively. The terminal blocks adjacent to each other (terminal block 43 and terminal block 44, terminal block 43 and terminal block 45, terminal block 44 and terminal block 46) are connected via bypass diodes 49a, 49b and 49c.
　図６、図７、図１０および図１１に示すように、ねじ止め部４８は、本体部４１のＸ方向の両側面から外側に向かって突出するように一対設けられている。また、ねじ止め部４８は、図９および図１２に示すように、本体部４１の側面の矢印Ｙ１方向側の端部において、Ｚ方向に延びる板状に形成されている。図９～図１２に示すように、ねじ止め部４８には、ねじ部材６が挿入される貫通孔４８ａが設けられている。図１０および図１１に示すように、貫通孔４８ａは、ねじ止め部４８の中心位置よりも上方向（矢印Ｚ１方向）にずれた位置に設けられている。図９および図１２に示すように、貫通孔４８ａは、ねじ止め部４８の矢印Ｙ２方向側の面と、後述する傾斜部４８０ｂの傾斜面とを貫通するように設けられている。なお、貫通孔４８ａは、本発明の「孔部」の一例である。 As shown in FIGS. 6, 7, 10, and 11, a pair of screwing portions 48 are provided so as to protrude outward from both side surfaces of the main body portion 41 in the X direction. As shown in FIGS. 9 and 12, the screwing portion 48 is formed in a plate shape extending in the Z direction at the end on the side of the main body 41 on the arrow Y1 direction side. As shown in FIGS. 9 to 12, the screwing portion 48 is provided with a through hole 48 a into which the screw member 6 is inserted. As shown in FIGS. 10 and 11, the through hole 48 a is provided at a position shifted upward (in the direction of the arrow Z <b> 1) from the center position of the screwing portion 48. As shown in FIGS. 9 and 12, the through hole 48a is provided so as to penetrate the surface of the screwing portion 48 on the arrow Y2 direction side and the inclined surface of the inclined portion 480b described later. The through hole 48a is an example of the “hole” in the present invention.
　ここで、本実施形態では、図８、図９および図１２に示すように、端子ボックス４の背面（ねじ止め部４８の矢印Ｙ１方向側の面および本体部４１の矢印Ｙ１方向側の面）には、枠部材３の端子ボックス４に対向する対向面側（矢印Ｙ１方向側）に突出するとともに、ねじ部材６に対して太陽電池パネル２とは反対側で枠部材３に当接する当接部分（後述する頂上部４８０ａ）を有する突出部４８０が設けられている。突出部４８０は、図８、図９および図１１に示すように、端子ボックス４と枠部材３とが対向する方向（Ｙ方向）に対して垂直で、かつ、太陽電池パネル２に対して平行な方向（Ｘ方向）に沿って延びるように形成されている。また、図８および図９に示すように、突出部４８０は、枠部材３との間の間隔が最も小さい頂上部４８０ａ（当接部分）と、頂上部４８０ａから太陽電池パネル２側に向かって枠部材３との間の間隔が徐々に大きくなるように形成された傾斜部４８０ｂとにより構成されている。 Here, in this embodiment, as shown in FIGS. 8, 9, and 12, the back surface of the terminal box 4 (the surface on the arrow Y1 direction side of the screwing portion 48 and the surface on the arrow Y1 direction side of the main body portion 41). The projection protrudes to the opposite surface side (arrow Y1 direction side) facing the terminal box 4 of the frame member 3 and contacts the frame member 3 on the opposite side of the solar cell panel 2 with respect to the screw member 6. A protruding portion 480 having a portion (a top portion 480a described later) is provided. As shown in FIGS. 8, 9, and 11, the protrusion 480 is perpendicular to the direction (Y direction) in which the terminal box 4 and the frame member 3 face each other, and is parallel to the solar cell panel 2. It is formed so as to extend along a certain direction (X direction). Further, as shown in FIGS. 8 and 9, the protruding portion 480 has a top portion 480 a (abutting portion) having the smallest space between the frame member 3 and the top portion 480 a toward the solar cell panel 2 side. It is comprised by the inclination part 480b formed so that the space | interval between the frame members 3 may become large gradually.
　図８、図９および図１１に示すように、頂上部４８０ａは、端子ボックス４の背面（端子ボックス４の枠部材３に対向する対向面（矢印Ｙ１方向側の面））の太陽電池パネル２とは反対側の端部（矢印Ｚ１方向側の端部）に配置されている。また、図８および図９に示すように、頂上部４８０ａは、ねじ部材６（貫通孔４８ａおよびねじ穴３２ａ）に対して太陽電池パネル２とは反対側（矢印Ｚ１方向側）で枠部材３の端子ボックス取付部３２に当接するように構成されている。また、図８、図９および図１２に示すように、傾斜部４８０ｂは、所定の傾き角度を有する傾斜面からなる。傾斜部４８０ｂの傾斜面は、図１２に示すように、端子ボックス４の側面から見て、ねじ部材６が配置される部分の近傍（貫通孔４８ａが設けられた位置よりも少し下側（点Ａ参照））から頂上部４８０ａ（点Ｂ参照）に向かって設けられる。 As shown in FIGS. 8, 9, and 11, the top portion 480 a is the solar cell panel 2 on the back surface of the terminal box 4 (opposite surface facing the frame member 3 of the terminal box 4 (surface on the arrow Y1 direction side)). It is arrange | positioned at the edge part (edge part of arrow Z1 direction side) on the opposite side. As shown in FIGS. 8 and 9, the top portion 480 a has the frame member 3 on the opposite side (arrow Z <b> 1 direction side) to the solar cell panel 2 with respect to the screw member 6 (through hole 48 a and screw hole 32 a). It is comprised so that it may contact | abut to the terminal box attachment part 32 of this. As shown in FIGS. 8, 9 and 12, the inclined portion 480b is formed of an inclined surface having a predetermined inclination angle. As shown in FIG. 12, the inclined surface of the inclined portion 480b is near the portion where the screw member 6 is disposed (slightly lower than the position where the through hole 48a is provided (point A))) to the top 480a (see point B).
　また、本実施形態では、図８および図９に示すように、端子ボックス４の下面（矢印Ｚ２方向側の面）は、太陽電池パネル２の裏面（矢印Ｚ１方向側の面）に接着剤５を介して接着されている。すなわち、端子ボックス４は、太陽電池パネル２に対して接着剤５を介して接着される接着面４０（本実施形態では、端子ボックス４の下面）を有している。接着面４０は、突出部４８０の頂上部４８０ａがねじ部材６に対して太陽電池パネル２とは反対側で枠部材３に当接した状態で、ねじ部材６により枠部材３と端子ボックス４とが締結されることによりねじ止めされる際に、太陽電池パネル２側に押圧される（図１６および図１７参照）ように構成されている。 Moreover, in this embodiment, as shown in FIG. 8 and FIG. 9, the lower surface (the surface on the arrow Z2 direction side) of the terminal box 4 is attached to the back surface (the surface on the arrow Z1 direction side) of the solar cell panel 2. Is glued through. That is, the terminal box 4 has an adhesive surface 40 (in this embodiment, the lower surface of the terminal box 4) that is bonded to the solar cell panel 2 via the adhesive 5. The bonding surface 40 is in a state where the top 480a of the protrusion 480 is in contact with the frame member 3 on the opposite side of the solar battery panel 2 with respect to the screw member 6, and the frame member 3 and the terminal box 4 are connected by the screw member 6. When being screwed by being fastened, the solar battery panel 2 is pressed (see FIGS. 16 and 17).
　また、本実施形態では、図８および図９に示すように、端子ボックス４の接着後の状態において、接着面４０は、枠部材３とは反対側（矢印Ｙ２方向側）に向かうにしたがって太陽電池パネル２に近づくように傾斜している。具体的には、図８に示すように、接着面４０の矢印Ｙ２方向側の端部と太陽電池パネル２との間の間隔Ｄ１は、接着面４０の矢印Ｙ１方向側の端部と太陽電池パネル２との間の間隔Ｄ２よりも小さくなるように構成されている。たとえば、間隔Ｄ１は約１ｍｍであり、間隔Ｄ２は約２ｍｍである。この構成により、端子ボックス４の接着後の状態において、端子ボックス４の枠部材３に対向する面（矢印Ｙ１方向側の面）のうちの傾斜部４８０ｂ以外の部分は、太陽電池パネル２側に向かうにしたがって端子ボックス４と枠部材３とが互いに近づくように傾斜している。 Moreover, in this embodiment, as shown in FIG. 8 and FIG. 9, in the state after the terminal box 4 is bonded, the bonding surface 40 moves toward the side opposite to the frame member 3 (the arrow Y2 direction side). It is inclined so as to approach the battery panel 2. Specifically, as shown in FIG. 8, the distance D1 between the end of the bonding surface 40 on the arrow Y2 direction side and the solar cell panel 2 is equal to the end of the bonding surface 40 on the arrow Y1 direction side and the solar cell. It is comprised so that it may become smaller than the space | interval D2 between the panels 2. FIG. For example, the distance D1 is about 1 mm and the distance D2 is about 2 mm. With this configuration, in the state after the terminal box 4 is bonded, a portion other than the inclined portion 480b of the surface (surface on the arrow Y1 direction side) facing the frame member 3 of the terminal box 4 is on the solar cell panel 2 side. As it goes, the terminal box 4 and the frame member 3 are inclined so as to approach each other.
　図８および図９に示すように、接着剤５は、太陽電池パネル２の裏面（矢印Ｚ１方向側の面）と、端子ボックス４の接着面４０（端子ボックス４の下面）と、端子ボックス４の背面（ねじ止め部４８の矢印Ｙ１方向側の面および本体部４１の矢印Ｙ１方向側の面）と、枠部材３の端子ボックス取付部３２とにより構成される空間内に充填されている。なお、接着剤５は、端子ボックス４から外側にはみ出している。また、接着剤５は、シリコーン樹脂またはエポキシ樹脂からなる。 As shown in FIGS. 8 and 9, the adhesive 5 includes the back surface of the solar cell panel 2 (the surface on the arrow Z1 direction side), the adhesive surface 40 of the terminal box 4 (the lower surface of the terminal box 4), and the terminal box 4. The back surface (the surface of the screwing portion 48 on the arrow Y1 direction side and the surface of the main body portion 41 on the arrow Y1 direction side) and the terminal box mounting portion 32 of the frame member 3 are filled. Note that the adhesive 5 protrudes outward from the terminal box 4. The adhesive 5 is made of silicone resin or epoxy resin.
　また、本実施形態では、図６、図７および図９に示すように、端子ボックス４は、枠部材３に対してねじ部材６を介してねじ止めされている。具体的には、図９に示すように、ねじ部材６が端子ボックス４のねじ止め部４８の貫通孔４８ａに挿入されるとともに、枠部材３のねじ穴３２ａに螺合されることにより、端子ボックス４と枠部材３とがねじ部材６を介して締結されている。 In this embodiment, as shown in FIGS. 6, 7, and 9, the terminal box 4 is screwed to the frame member 3 via the screw member 6. Specifically, as shown in FIG. 9, the screw member 6 is inserted into the through hole 48 a of the screwing portion 48 of the terminal box 4, and is screwed into the screw hole 32 a of the frame member 3. The box 4 and the frame member 3 are fastened through the screw member 6.
　次に、図１３～図１７を参照して、本発明の一実施形態による太陽電池モジュール１の製造方法について説明する。 Next, a method for manufacturing the solar cell module 1 according to an embodiment of the present invention will be described with reference to FIGS.
　まず、表面側カバー２１、裏面側カバー２２、太陽電池２３からなる太陽電池群２４および充填材２５などから構成される太陽電池パネル２を準備する。そして、太陽電池パネル２の外周部を取り囲むように枠部材３を取り付ける。なお、この時、太陽電池パネル２の裏面側カバー２２からは、接続部材２４ｂ、２４ｃ、２４ｅおよび２４ｆが導出されている。 First, a solar cell panel 2 including a front surface side cover 21, a back surface side cover 22, a solar cell group 24 including solar cells 23, a filler 25, and the like is prepared. And the frame member 3 is attached so that the outer peripheral part of the solar cell panel 2 may be surrounded. At this time, connection members 24b, 24c, 24e, and 24f are led out from the back surface side cover 22 of the solar cell panel 2.
　そして、図１３および図１４に示すように、端子ボックス４の太陽電池パネル２に対する接着面４０（端子ボックス４の下面）に接着剤５を塗布する。本実施形態では、図１４に示すように、接着面４０（端子ボックス４の下面）だけでなく、端子ボックスの背面（矢印Ｙ１方向側の面）の太陽電池パネル２側（矢印Ｚ１方向側）の端部近傍にも、接着剤５を塗布している。 And as shown in FIG.13 and FIG.14, the adhesive agent 5 is apply | coated to the adhesion surface 40 (lower surface of the terminal box 4) with respect to the solar cell panel 2 of the terminal box 4. FIG. In this embodiment, as shown in FIG. 14, not only the bonding surface 40 (the lower surface of the terminal box 4) but also the back surface of the terminal box (the surface on the arrow Y1 direction side) on the solar cell panel 2 side (the arrow Z1 direction side). The adhesive 5 is also applied in the vicinity of the end of the.
　そして、図１５に示すように、接着剤５を塗布した端子ボックス４を太陽電池パネル２上に配置する。具体的には、端子ボックス４の背面の突出部４８０の頂上部４８０ａが枠部材３に当接するように、端子ボックス４の接着面４０を太陽電池パネル２の裏面（矢印Ｚ１方向側の面）上に押し付ける。この時、太陽電池パネル２の裏面側カバー２２から導出されている４つの接続部材２４ｂ、２４ｃ、２４ｅおよび２４ｆのそれぞれを、本体部４１の下面に形成されている開口部３１ｂ～３１ｅに挿入しておく。また、この時、端子ボックス４のねじ止め部４８の貫通孔４８ａと、枠部材３の端子ボックス取付部３２のねじ孔３２ａとが重なるようにしておく。 And the terminal box 4 which apply | coated the adhesive agent 5 is arrange | positioned on the solar cell panel 2, as shown in FIG. Specifically, the bonding surface 40 of the terminal box 4 is the back surface of the solar cell panel 2 (surface on the arrow Z1 direction side) so that the top 480a of the protrusion 480 on the back surface of the terminal box 4 contacts the frame member 3. Press up. At this time, each of the four connection members 24b, 24c, 24e and 24f led out from the back surface side cover 22 of the solar cell panel 2 is inserted into the openings 31b to 31e formed on the lower surface of the main body 41. Keep it. At this time, the through hole 48a of the screwing portion 48 of the terminal box 4 and the screw hole 32a of the terminal box mounting portion 32 of the frame member 3 are overlapped.
　そして、図１５および図１６に示すように、端子ボックス４のねじ止め部４８の貫通孔４８ａと、枠部材３の端子ボックス取付部３２のねじ孔３２ａとにねじ部材６を挿入する。そして、図１６に示すように、ねじ部材６により端子ボックス４と枠部材３とを軽く締結することにより、端子ボックス４を枠部材３に対して仮止めする。なお、この段階では、端子ボックス４の接着面４０と太陽電池パネル２の裏面とは略平行になっている。そして、端子ボックス４の端子台４３～４６の端子４３ａ～４６ａのそれぞれと、端子ボックス４の内部に導入された接続部材２４ｂ、２４ｃ、２４ｅおよび２４ｆの先端部とを半田付けにより電気的に接続する。 15 and 16, the screw member 6 is inserted into the through hole 48a of the screwing portion 48 of the terminal box 4 and the screw hole 32a of the terminal box mounting portion 32 of the frame member 3. Then, as shown in FIG. 16, the terminal box 4 and the frame member 3 are lightly fastened by the screw member 6, thereby temporarily fixing the terminal box 4 to the frame member 3. At this stage, the adhesive surface 40 of the terminal box 4 and the back surface of the solar cell panel 2 are substantially parallel. Then, the terminals 43a to 46a of the terminal blocks 43 to 46 of the terminal box 4 are electrically connected to the tips of the connection members 24b, 24c, 24e and 24f introduced into the terminal box 4 by soldering. To do.
　そして、図１７に示すように、ねじ部材６の最終締め付けを行う。具体的には、端子ボックス４の突出部４８０の頂上部４８０ａをねじ部材６に対して太陽電池パネル２とは反対側で枠部材３に当接させた状態で、ねじ部材６により枠部材３と端子ボックス４とをさらに締結（増し締め）する。これにより、ねじ部材６を介して端子ボックス４が枠部材３に対して完全に固定される。なお、この最終締め付けでは、ねじ部材６により、端子ボックス４の枠部材３に当接している部分（頂上部４８０ａ）よりも太陽電池パネル２側（矢印Ｚ２方向側）の部分に対して矢印Ｙ１方向の力が加えられる。すると、てこの原理により、端子ボックス４には、突出部４８０の頂上部４８０ａを支点とする太陽電池パネル２側に向かう方向の回転力が発生する。そして、この回転力により、端子ボックス４の接着面４０が太陽電池パネル２側に押圧される。すなわち、接着面４０が、枠部材３とは反対側に向かうにしたがって太陽電池パネル２に近づくように傾斜する。この時、端子ボックス４の接着面４０と太陽電池パネル２との間の接着剤４が押し出され、端子ボックス４の外側にはみ出す。本実施形態では、たとえば、接着面４０の矢印Ｙ２方向側の端部と太陽電池パネル２との間の間隔Ｄ１が約１ｍｍになるとともに、接着面４０の矢印Ｙ１方向側の端部と太陽電池パネル２との間の間隔Ｄ２が約２ｍｍになるように接着面４０が傾斜した時点で、最終締め付けが完了する。なお、最終締め付けの締め付けトルクを管理することにより、接着面４０の太陽電池パネル２側への押圧力を管理することが可能である。 Then, as shown in FIG. 17, the screw member 6 is finally tightened. Specifically, the top member 480a of the protruding portion 480 of the terminal box 4 is in contact with the frame member 3 on the side opposite to the solar cell panel 2 with respect to the screw member 6, and the frame member 3 by the screw member 6. And the terminal box 4 are further fastened (retightened). Thereby, the terminal box 4 is completely fixed to the frame member 3 via the screw member 6. In this final tightening, the screw member 6 makes an arrow Y1 with respect to a portion closer to the solar cell panel 2 (arrow Z2 direction side) than a portion (top portion 480a) in contact with the frame member 3 of the terminal box 4. Directional force is applied. Then, due to the lever principle, the terminal box 4 generates a rotational force in the direction toward the solar cell panel 2 with the top 480a of the protrusion 480 as a fulcrum. And the adhesion surface 40 of the terminal box 4 is pressed to the solar cell panel 2 side by this rotational force. That is, the bonding surface 40 is inclined so as to approach the solar cell panel 2 as it goes to the side opposite to the frame member 3. At this time, the adhesive 4 between the adhesive surface 40 of the terminal box 4 and the solar cell panel 2 is pushed out and protrudes outside the terminal box 4. In this embodiment, for example, the distance D1 between the end of the bonding surface 40 on the arrow Y2 direction side and the solar cell panel 2 is about 1 mm, and the end of the bonding surface 40 on the arrow Y1 direction side and the solar cell. When the bonding surface 40 is inclined so that the distance D2 between the panel 2 is about 2 mm, the final tightening is completed. In addition, it is possible to manage the pressing force to the solar cell panel 2 side of the adhesion surface 40 by managing the tightening torque of the final tightening.
　そして、本体部４１に蓋部材４２を取り付けた後、所定の期間放置することにより接着剤５を硬化させる。これにより、端子ボックス４と太陽電池パネル２とが固定される。以上により、太陽電池モジュール１が完成する。 And after attaching the cover member 42 to the main-body part 41, the adhesive agent 5 is hardened by leaving it to stand for a predetermined period. Thereby, the terminal box 4 and the solar cell panel 2 are fixed. Thus, the solar cell module 1 is completed.
　本実施形態では、上記のように構成することによって、枠部材３と端子ボックス４とをねじ止めする際に発生する接着面４０の太陽電池パネル２側への押圧力により、接着剤５の中に混入する気泡を押しつぶすことができる。これにより、端子ボックス４の接着面４０と太陽電池パネル２との間の接着剤５の接着力を容易に向上させることができるので、端子ボックス４の接着を確実に行うことができる。また、ねじ部材６の締結力（締め付けトルク）を管理することにより、接着面４０の太陽電池パネル２側への押圧力を管理することができるので、端子ボックス４の接着を確実に行うことができる。また、このように端子ボックス４の接着を確実かつ簡単に行うことができることにより、作業時間を低減させることができるとともに、製造コストを低減させることができる。 In the present embodiment, with the configuration described above, the inside of the adhesive 5 is caused by the pressing force of the adhesive surface 40 generated when the frame member 3 and the terminal box 4 are screwed to the solar cell panel 2 side. Bubbles mixed in can be crushed. Thereby, since the adhesive force of the adhesive agent 5 between the adhesive surface 40 of the terminal box 4 and the solar cell panel 2 can be improved easily, adhesion of the terminal box 4 can be performed reliably. Further, by managing the fastening force (tightening torque) of the screw member 6, it is possible to manage the pressing force of the bonding surface 40 toward the solar cell panel 2 side, so that the terminal box 4 can be securely bonded. it can. In addition, since the terminal box 4 can be reliably and simply bonded in this manner, the working time can be reduced and the manufacturing cost can be reduced.
　また、本実施形態では、上記のように、ねじ部材６に対して太陽電池パネル２とは反対側において枠部材３との間の間隔が最も小さくなる頂上部４８０ａと、頂上部４８０ａから太陽電池パネル２側に向かって枠部材３との間の間隔が徐々に大きくなる傾斜部４８０ｂとを突出部４８０に設ける。これにより、突出部４８０の頂上部４８０ａをねじ部材６に対して太陽電池パネル２とは反対側で枠部材３に当接させた状態で、ねじ部材６により枠部材３と端子ボックス４とを締結することにより、頂上部４８０ａを支点とする太陽電池パネル２側に向かう方向の回転力を発生させることによって、端子ボックス４９の接着面４０を太陽電池パネル２側に押圧することができる。その結果、端子ボックス４の接着面４０と太陽電池パネル２との間の接着剤５に気泡が混入していても、接着面４０の太陽電池パネル２側への押圧力（頂上部４８０ａを支点とする太陽電池パネル２側に向かう方向の回転力）によって容易に気泡を押しつぶすことができる。その結果、端子ボックス４の接着面４０と太陽電池パネル２との間の接着剤５の接着力を容易に向上させることができるので、端子ボックス４の接着をより確実に行うことができる。 Moreover, in this embodiment, as above-mentioned, the top part 480a from which the space | interval between the frame member 3 becomes the smallest on the opposite side to the solar cell panel 2 with respect to the screw member 6, and a solar cell from the top part 480a. An inclined portion 480b in which the distance from the frame member 3 gradually increases toward the panel 2 is provided on the protruding portion 480. Thus, the frame member 3 and the terminal box 4 are connected by the screw member 6 in a state where the top portion 480a of the protruding portion 480 is in contact with the frame member 3 on the opposite side of the solar cell panel 2 with respect to the screw member 6. By fastening, the adhesive surface 40 of the terminal box 49 can be pressed to the solar cell panel 2 side by generating a rotational force in the direction toward the solar cell panel 2 side with the top 480a as a fulcrum. As a result, even if air bubbles are mixed in the adhesive 5 between the adhesive surface 40 of the terminal box 4 and the solar cell panel 2, the pressing force (the top 480a on the top portion 480a) of the adhesive surface 40 toward the solar cell panel 2 side is obtained. The bubbles can be easily crushed by the rotational force in the direction toward the solar cell panel 2. As a result, since the adhesive force of the adhesive 5 between the adhesive surface 40 of the terminal box 4 and the solar cell panel 2 can be easily improved, the terminal box 4 can be more reliably bonded.
　また、本実施形態では、上記のように、端子ボックス４の枠部材３に対向する対向面（矢印Ｙ１方向側の面）の太陽電池パネル２とは反対側の端部（矢印Ｚ１方向側の端部）に頂上部４８０ａを設ける。これにより、枠部材３と端子ボックス４とをねじ止めする際に、太陽電池パネル２から最も離れた部分を支点として、端子ボックス４を太陽電池パネル２および枠部材３側に押圧することができるので、端子ボックス４と太陽電池パネル２との間の接着剤５の中の気泡だけでなく、端子ボックス４と枠部材３との間の接着剤５の中の気泡も容易に押しつぶすことができる。その結果、端子ボックス４の接着をさらに確実に行うことができる。 Moreover, in this embodiment, as mentioned above, the edge part (arrow Z1 direction side side) opposite to the solar cell panel 2 of the opposing surface (surface on the arrow Y1 direction side) facing the frame member 3 of the terminal box 4 is provided. An apex portion 480a is provided at the end). Thereby, when screwing the frame member 3 and the terminal box 4, the terminal box 4 can be pressed toward the solar cell panel 2 and the frame member 3 with the portion farthest from the solar cell panel 2 as a fulcrum. Therefore, not only the bubbles in the adhesive 5 between the terminal box 4 and the solar battery panel 2 but also the bubbles in the adhesive 5 between the terminal box 4 and the frame member 3 can be easily crushed. . As a result, the terminal box 4 can be more reliably bonded.
　また、本実施形態では、上記のように、傾斜部４８０ｂの傾斜面に対応する部分において枠部材３と端子ボックス４とをねじ部材６によりねじ止めする。これにより、枠部材３と端子ボックス４とをねじ止めする際に、頂上部４８０ａを支点とする太陽電池パネル２側に向かう方向の回転力を容易に発生させることができるので、端子ボックス４の接着を容易に行うことができる。 In the present embodiment, as described above, the frame member 3 and the terminal box 4 are screwed by the screw member 6 at a portion corresponding to the inclined surface of the inclined portion 480b. Thereby, when screwing the frame member 3 and the terminal box 4, it is possible to easily generate a rotational force in the direction toward the solar cell panel 2 with the top 480 a as a fulcrum. Bonding can be performed easily.
　また、本実施形態では、上記のように、傾斜部４８０ｂの傾斜面を、端子ボックス４の側面から見て、ねじ部材６が配置される部分の近傍（貫通孔４８ａが設けられた位置よりも少し下側（図１２の点Ａ参照））から頂上部４８０ａ（図１２の点Ｂ参照）に向かって設ける。これにより、たとえば傾斜部４８０ｂの傾斜面をねじ部材６に対して太陽電池パネル２側に離れた部分から頂上部４８０ａに向かって設ける場合に比べて、傾斜部４８０の傾斜角度をより大きくすることができる。その結果、枠部材３と端子ボックス４とをねじ止めする際に、頂上部４８０ａを支点とする太陽電池パネル２側に向かう方向の回転力をより容易に発生させることができるので、端子ボックス４の接着をより容易に行うことができる。 Further, in the present embodiment, as described above, the inclined surface of the inclined portion 480b is viewed from the side surface of the terminal box 4 in the vicinity of the portion where the screw member 6 is disposed (from the position where the through hole 48a is provided). It is provided from the slightly lower side (see point A in FIG. 12) toward the top 480a (see point B in FIG. 12). Thereby, for example, the inclination angle of the inclined portion 480 is made larger than the case where the inclined surface of the inclined portion 480b is provided toward the top portion 480a from the portion distant from the solar cell panel 2 with respect to the screw member 6. Can do. As a result, when the frame member 3 and the terminal box 4 are screwed together, the rotational force in the direction toward the solar cell panel 2 with the apex 480a as a fulcrum can be more easily generated. Can be more easily bonded.
　また、本実施形態では、上記のように、端子ボックス４の枠部材３に対向する面（矢印Ｙ１方向側の面）のうちの傾斜部４８０ｂ以外の部分を、太陽電池パネル２側に向かうにしたがって端子ボックス４と枠部材３とが互いに近づくように傾斜させる。これにより、太陽電池パネル２側に向かうにしたがって、端子ボックス４と枠部材３との間の間隔を小さくすることができるので、その分、端子ボックス４の枠部材３に対向する面と枠部材３との間の接着剤５の体積を小さくすることができる。その結果、端子ボックスと枠部材３との間の接着剤５の中の気泡をより確実に押しつぶすことができるので、接着剤５の接着力をより向上させることができる。その結果、端子ボックス４の接着をさらに確実に行うことができる。 Further, in the present embodiment, as described above, a portion other than the inclined portion 480b of the surface (surface on the arrow Y1 direction side) facing the frame member 3 of the terminal box 4 is directed toward the solar cell panel 2 side. Therefore, the terminal box 4 and the frame member 3 are inclined so as to approach each other. Thereby, since the space | interval between the terminal box 4 and the frame member 3 can be made small as it goes to the solar cell panel 2 side, the surface and frame member which oppose the frame member 3 of the terminal box 4 to that extent The volume of the adhesive 5 between 3 can be reduced. As a result, the bubbles in the adhesive 5 between the terminal box and the frame member 3 can be more reliably crushed, so that the adhesive force of the adhesive 5 can be further improved. As a result, the terminal box 4 can be more reliably bonded.
　また、本実施形態では、上記のように、端子ボックス４と枠部材３とが対向する方向（Ｙ方向）に対して垂直で、かつ、太陽電池パネル２に対して平行な方向（Ｘ方向）に沿って延びるように突出部４８０を形成する。これにより、端子ボックス４の突出部４８０の頂上部４８０ａを枠部材３と線接触させることができるので、枠部材３と端子ボックス４とをねじ止めする際に、突出部４８０の頂上部４８０ａを支点とする太陽電池パネル２側に向かう方向の回転力をさらに容易に発生させることができる。その結果、端子ボックス４の接着をさらに容易に行うことができる。 In the present embodiment, as described above, the direction perpendicular to the direction in which the terminal box 4 and the frame member 3 face (Y direction) and parallel to the solar cell panel 2 (X direction). A protrusion 480 is formed to extend along the line. Thereby, since the top part 480a of the protrusion part 480 of the terminal box 4 can be line-contacted with the frame member 3, when the frame member 3 and the terminal box 4 are screwed together, the top part 480a of the protrusion part 480 is fixed. The rotational force in the direction toward the solar cell panel 2 side as a fulcrum can be more easily generated. As a result, the terminal box 4 can be more easily bonded.
　また、本実施形態では、上記のように、端子ボックス４の太陽電池パネル２に対する接着面４９を、枠部材３とは反対側に向かうにしたがって太陽電池パネル２に近づくように傾斜させる。これにより、接着面４０の枠部材３とは反対側に向かうにしたがって、接着面４０と太陽電池パネル２との間の間隔を小さくすることができるので、その分、端子ボックス４の接着面４０と太陽電池パネル２との間の接着剤５の体積を小さくすることができる。その結果、接着剤５の中の気泡をより確実に押しつぶすことができるので、接着剤５の接着力をより向上させることができる。その結果、端子ボックス４の接着をさらに確実に行うことができる。 In the present embodiment, as described above, the adhesion surface 49 of the terminal box 4 to the solar cell panel 2 is inclined so as to approach the solar cell panel 2 toward the opposite side to the frame member 3. Thereby, since the space | interval between the adhesion surface 40 and the solar cell panel 2 can be made small as it goes to the opposite side to the frame member 3 of the adhesion surface 40, the adhesion surface 40 of the terminal box 4 is equivalent. And the volume of the adhesive 5 between the solar cell panel 2 can be reduced. As a result, the bubbles in the adhesive 5 can be more reliably crushed, so that the adhesive force of the adhesive 5 can be further improved. As a result, the terminal box 4 can be more reliably bonded.
　また、本実施形態では、上記のように、接着剤５を、端子ボックス４から外側にはみ出させる。このように接着剤５が端子ボックス４の外側からはみ出すまで端子ボックス４の接着作業を行うことより、端子ボックス４と太陽電池パネル２との間に接着剤５を十分に充填することができる。 In the present embodiment, as described above, the adhesive 5 protrudes outward from the terminal box 4. Thus, the adhesive 5 can be sufficiently filled between the terminal box 4 and the solar cell panel 2 by performing the bonding operation of the terminal box 4 until the adhesive 5 protrudes from the outside of the terminal box 4.
　また、本実施形態では、上記のように、突出部４８０を、端子ボックス４に設ける。これにより、枠部材３を端子ボックス４側に突出させて枠部材３と端子ボックス４とを当接させる場合に比べて、枠部材３と端子ボックス４とを当接させる構造を容易に提供することができる。 In the present embodiment, the protruding portion 480 is provided in the terminal box 4 as described above. Thereby, the structure which makes the frame member 3 and the terminal box 4 contact | abut easily compared with the case where the frame member 3 protrudes to the terminal box 4 side and the frame member 3 and the terminal box 4 contact | abut. be able to.
　また、本実施形態では、上記のように、ねじ部材６が挿入される貫通孔４８ａを有するねじ止め部４８を端子ボックス４の枠部材３側の面に形成し、ねじ止め部４８の貫通孔４８ａに挿入されるねじ部材６に対して太陽電池パネル２とは反対側で枠部材３側に突出するように突出部４８０を形成する。これにより、ねじ止め部４８を用いて、容易に、端子ボックス４と枠部材３とを当接させながらねじ止めすることができる。 In the present embodiment, as described above, the screwing portion 48 having the through hole 48a into which the screw member 6 is inserted is formed on the surface of the terminal box 4 on the frame member 3 side, and the through hole of the screwing portion 48 is formed. A protruding portion 480 is formed so as to protrude toward the frame member 3 on the side opposite to the solar cell panel 2 with respect to the screw member 6 inserted into 48a. As a result, the screw box 48 can be used to easily screw the terminal box 4 and the frame member 3 in contact with each other.
　なお、今回開示された実施形態は、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。本発明の範囲は、上記した実施形態の説明ではなく特許請求の範囲によって示され、さらに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。 In addition, it should be thought that embodiment disclosed this time is an illustration and restrictive at no points. 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 further includes all modifications within the meaning and scope equivalent to the scope of claims for patent.
　たとえば、上記実施形態では、端子ボックスに突出部を設ける例を示したが、本発明はこれに限らない。本発明では、枠部材に突出部を設けてもよいし、端子ボックスおよび枠部材の両方に突出部を設けてもよい。たとえば、図１８に示す第１変形例のように、枠部材３００の端子ボックス取付部３２０に突出部３２１を設けてもよい。この第１変形例では、突出部３２１の頂上部３２１ａがねじ部材６に対して太陽電池パネル２とは反対側で端子ボックス４００に当接しているので、ねじ部材６の最終締め付けを行うと、上記実施形態と同様に、端子ボックス４００の接着面４４０が太陽電池パネル２側に押圧される。 For example, in the above-described embodiment, an example in which the protruding portion is provided in the terminal box is shown, but the present invention is not limited to this. In the present invention, the protrusion may be provided on the frame member, or the protrusion may be provided on both the terminal box and the frame member. For example, as in the first modification shown in FIG. 18, the protruding portion 321 may be provided on the terminal box mounting portion 320 of the frame member 300. In the first modification, the top 321a of the protrusion 321 is in contact with the terminal box 400 on the side opposite to the solar cell panel 2 with respect to the screw member 6, so when the final tightening of the screw member 6 is performed, Similar to the above embodiment, the adhesive surface 440 of the terminal box 400 is pressed toward the solar cell panel 2 side.
　また、上記実施形態では、図１２に示すように、突出部４８０の傾斜部４８０ｂを、端子ボックス４の側面から見て、貫通孔４８ａが設けられた位置よりも少し下側（矢印Ｚ２方向側）の部分（点Ａ参照）から頂上部４８０ａ（点Ｂ参照）に向かって設けられる傾斜面により構成する例を示したが、本発明はこれに限らない。たとえば、図１９に示す第２変形例のように、突出部４８１の傾斜部４８１ｂを、端子ボックス４０１の背面の下端部（点Ｃ参照）から頂上部４８１ａ（点Ｄ参照）に向かって設けられる傾斜面により構成してもよい。 Moreover, in the said embodiment, as shown in FIG. 12, seeing the inclination part 480b of the protrusion part 480 from the side surface of the terminal box 4, a little lower side (arrow Z2 direction side) than the position in which the through-hole 48a was provided. ) (See point A) to the apex 480a (see point B), an example is shown. However, the present invention is not limited to this. For example, as in the second modification shown in FIG. 19, the inclined portion 481 b of the protruding portion 481 is provided from the lower end portion (see point C) on the back surface of the terminal box 401 toward the top 481 a (see point D). You may comprise by an inclined surface.
　また、上記実施形態では、突出部を頂上部と傾斜部とにより構成する例を示したが、本発明はこれに限らない。本発明では、突出部は、ねじ部材に対して太陽電池パネルとは反対側で枠部材に当接していれば、たとえば、傾斜部を含まない突起部により構成されていてもよい。 In the above embodiment, an example in which the projecting portion is constituted by the top and the inclined portion is shown, but the present invention is not limited to this. In the present invention, as long as the protruding portion is in contact with the frame member on the side opposite to the solar cell panel with respect to the screw member, for example, the protruding portion may be configured by a protruding portion that does not include the inclined portion.
　また、上記実施形態では、端子ボックスの太陽電池パネルに対する接着面が、枠部材とは反対側に向かうにしたがって太陽電池パネルに近づくように傾斜している例を示したが、本発明はこれに限らない。本発明では、突出部がねじ部材に対して太陽電池パネルとは反対側で枠部材または端子ボックスに当接した状態でねじ部材により枠部材と端子ボックスとが締結されることによりねじ止めされる際に、接着面が太陽電池パネル側に押圧されていれば、接着面が傾斜している必要はない。 Moreover, in the said embodiment, although the adhesion surface with respect to the solar cell panel of a terminal box showed the example inclined so that it might approach a solar cell panel toward the opposite side to a frame member, this invention shows this. Not exclusively. In the present invention, the projecting portion is screwed by fastening the frame member and the terminal box by the screw member in a state in which the projecting portion is in contact with the frame member or the terminal box on the opposite side of the solar battery panel. At this time, if the adhesive surface is pressed toward the solar cell panel, the adhesive surface does not need to be inclined.

Claims (20)

  1. 　太陽電池パネルと、
    　前記太陽電池パネルを支持する枠部材と、
    　前記太陽電池パネルに対して接着剤を介して接着される接着面を有するとともに、前記枠部材に対してねじ部材を介してねじ止めされる端子ボックスとを備え、
    　前記端子ボックスまたは前記枠部材の少なくとも一方には、前記ねじ部材に対して前記太陽電池パネルとは反対側で互いに対向する対向面側に突出する突出部が設けられており、
    　前記突出部が前記ねじ部材に対して前記太陽電池パネルとは反対側で前記枠部材または前記端子ボックスに当接した状態で前記ねじ部材により前記枠部材と前記端子ボックスとが締結されることによりねじ止めされる際に、前記端子ボックスの前記太陽電池パネルに対する接着面が前記太陽電池パネル側に押圧されて接着されるように構成されている、太陽電池モジュール。     A solar panel,
    A frame member for supporting the solar cell panel;
    And having a bonding surface that is bonded to the solar cell panel via an adhesive, and a terminal box that is screwed to the frame member via a screw member,
    At least one of the terminal box or the frame member is provided with a protruding portion that protrudes to the opposite surface side opposite to the solar cell panel with respect to the screw member,
    The frame member and the terminal box are fastened by the screw member in a state where the protruding portion is in contact with the frame member or the terminal box on the opposite side of the solar battery panel with respect to the screw member. A solar cell module configured such that, when screwed, a bonding surface of the terminal box to the solar cell panel is pressed and bonded to the solar cell panel side.
  2. 　前記突出部は、前記ねじ部材に対して前記太陽電池パネルとは反対側に設けられ、前記対向面との間の間隔が最も小さい当接部分を構成する頂上部と、前記頂上部から前記太陽電池パネル側に向かって前記対向面との間の間隔が徐々に大きくなるように形成された傾斜部とを含む、請求項１に記載の太陽電池モジュール。 The protrusion is provided on the opposite side to the solar cell panel with respect to the screw member, and constitutes a top portion constituting a contact portion having a smallest interval with the facing surface, and the sun from the top. The solar cell module according to claim 1, further comprising an inclined portion formed such that a gap between the facing surface and the facing surface gradually increases toward the battery panel side.
  3. 　前記頂上部は、前記端子ボックスまたは前記枠部材の少なくとも一方の前記対向面の前記太陽電池パネルとは反対側の端部に配置されている、請求項２に記載の太陽電池モジュール。 The solar cell module according to claim 2, wherein the top portion is disposed at an end portion of the terminal box or the frame member opposite to the solar cell panel on the facing surface.
  4. 　前記枠部材と前記端子ボックスとは、前記傾斜部の傾斜面に対応する部分において前記ねじ部材によりねじ止めされている、請求項２に記載の太陽電池モジュール。 The solar cell module according to claim 2, wherein the frame member and the terminal box are screwed by the screw member at a portion corresponding to the inclined surface of the inclined portion.
  5. 　前記傾斜部の傾斜面は、前記端子ボックスの側面から見て、前記ねじ部材が配置される部分の近傍から前記頂上部に向かって設けられる、請求項４に記載の太陽電池モジュール。 The solar cell module according to claim 4, wherein the inclined surface of the inclined portion is provided from the vicinity of a portion where the screw member is disposed toward the top as viewed from a side surface of the terminal box.
  6. 　前記端子ボックスまたは前記枠部材の少なくとも一方の前記対向面のうちの前記傾斜部以外の部分は、前記太陽電池パネル側に向かうにしたがって前記端子ボックスと前記枠部材とが互いに近づくように傾斜している、請求項５に記載の太陽電池モジュール。 Of the at least one of the opposing surfaces of the terminal box or the frame member, a portion other than the inclined portion is inclined so that the terminal box and the frame member are closer to each other toward the solar cell panel side. The solar cell module according to claim 5.
  7. 　前記突出部は、前記端子ボックスと前記枠部材とが対向する方向に対して垂直で、かつ、前記太陽電池パネルに対して平行な方向に沿って延びるように形成されている、請求項１に記載の太陽電池モジュール。 2. The protrusion according to claim 1, wherein the protrusion is formed to extend along a direction perpendicular to a direction in which the terminal box and the frame member face each other and parallel to the solar cell panel. The solar cell module described.
  8. 　前記端子ボックスの前記太陽電池パネルに対する接着面は、前記枠部材とは反対側に向かうにしたがって前記太陽電池パネルに近づくように傾斜している、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 an adhesion surface of the terminal box to the solar cell panel is inclined so as to approach the solar cell panel toward a side opposite to the frame member.
  9. 　前記接着剤は、前記端子ボックスから外側にはみ出している、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 the adhesive protrudes outward from the terminal box.
  10. 　前記突出部は、前記端子ボックスに設けられている、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 the protruding portion is provided in the terminal box.
  11. 　前記端子ボックスの前記枠部材側の面には、前記ねじ部材が挿入される孔部を有するねじ止め部が形成されており、
    　前記突出部は、前記ねじ止め部の前記孔部に挿入される前記ねじ部材に対して前記太陽電池パネルとは反対側で前記枠部材側に突出するように形成されている、請求項１０に記載の太陽電池モジュール。     On the surface of the terminal box on the frame member side, a screwing portion having a hole portion into which the screw member is inserted is formed,
    The said protrusion part is formed so that it may protrude in the said frame member side on the opposite side to the said solar cell panel with respect to the said screw member inserted in the said hole part of the said screwing part. The solar cell module described.
  12. 　太陽電池パネルと、前記太陽電池パネルを支持する枠部材と、前記太陽電池パネルに対して接着剤を介して接着される接着面を有するとともに、前記枠部材に対してねじ部材を介してねじ止めされる端子ボックスとを備え、前記端子ボックスまたは前記枠部材の少なくとも一方には、前記ねじ部材に対して前記太陽電池パネルとは反対側で互いに対向する対向面側に突出する突出部が設けられている、太陽電池モジュールの製造方法であって、
    　前記端子ボックスの前記太陽電池パネルに対する接着面に接着剤を塗布する工程と、
    　前記突出部を前記ねじ部材に対して前記太陽電池パネルとは反対側で前記枠部材または前記端子ボックスに当接させた状態で、前記ねじ部材により前記枠部材と前記端子ボックスとを締結することにより、前記端子ボックスの接着剤が塗布された接着面を前記太陽電池パネル側に押圧する工程とを備える、太陽電池モジュールの製造方法。     A solar cell panel, a frame member that supports the solar cell panel, and an adhesive surface that is bonded to the solar cell panel via an adhesive, and screwed to the frame member via a screw member And at least one of the terminal box or the frame member is provided with a protruding portion that protrudes on the opposite surface side opposite to the solar cell panel with respect to the screw member. A method of manufacturing a solar cell module,
    Applying an adhesive to the adhesive surface of the terminal box to the solar cell panel;
    The frame member and the terminal box are fastened by the screw member in a state where the protruding portion is in contact with the frame member or the terminal box on the opposite side of the solar battery panel with respect to the screw member. And a step of pressing the adhesive surface of the terminal box to which the adhesive is applied to the solar cell panel side.
  13. 　前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程は、前記突出部の当接部分を前記ねじ部材に対して前記太陽電池パネルとは反対側で前記枠部材または前記端子ボックスに当接させた状態で、前記ねじ部材により前記枠部材と前記端子ボックスとを締結することにより、前記突出部の当接部分を支点とする前記太陽電池パネル側に向かう方向の回転力を発生させることによって、前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程を含む、請求項１２に記載の太陽電池モジュールの製造方法。 In the step of pressing the bonding surface of the terminal box toward the solar cell panel, the abutting portion of the protruding portion contacts the frame member or the terminal box on the side opposite to the solar cell panel with respect to the screw member. In the state of contact, the frame member and the terminal box are fastened by the screw member, thereby generating a rotational force in the direction toward the solar cell panel with the contact portion of the protrusion as a fulcrum. The manufacturing method of the solar cell module of Claim 12 including the process of pressing the adhesion surface of the said terminal box to the said solar cell panel side by.
  14. 　前記端子ボックスの前記太陽電池パネルに対する接着面に接着剤を塗布する工程は、前記端子ボックスの接着面のみならず、前記端子ボックスの前記枠部材に対向する対向面のうちの前記接着面側の端部近傍に前記接着剤を塗布する工程を含む、請求項１２に記載の太陽電池モジュールの製造方法。 The step of applying an adhesive to the adhesive surface of the terminal box with respect to the solar cell panel is performed not only on the adhesive surface of the terminal box, but also on the adhesive surface side of the opposing surface facing the frame member of the terminal box. The manufacturing method of the solar cell module of Claim 12 including the process of apply | coating the said adhesive agent to an edge part vicinity.
  15. 　前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程は、前記突出部のうちの前記対向面との間の間隔が最も小さい頂上部を前記ねじ部材に対して前記太陽電池パネルとは反対側で前記枠部材または前記端子ボックスに当接させた状態で、前記ねじ部材により前記枠部材と前記端子ボックスとを締結することにより、前記端子ボックスの接着剤が塗布された接着面を前記太陽電池パネル側に押圧する工程を含む、請求項１２に記載の太陽電池モジュールの製造方法。 The step of pressing the bonding surface of the terminal box to the solar cell panel side is such that the top portion having the smallest distance between the projecting portion and the facing surface is the solar cell panel with respect to the screw member. By fastening the frame member and the terminal box with the screw member in a state of being in contact with the frame member or the terminal box on the opposite side, the adhesive surface to which the adhesive of the terminal box is applied is The manufacturing method of the solar cell module of Claim 12 including the process pressed to the solar cell panel side.
  16. 　前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程は、前記端子ボックスまたは前記枠部材の少なくとも一方の前記対向面の前記太陽電池パネルとは反対側の端部に配置された前記頂上部を前記ねじ部材に対して前記太陽電池パネルとは反対側で前記枠部材または前記端子ボックスに当接させた状態で、前記ねじ部材により前記枠部材と前記端子ボックスとを締結することにより、前記端子ボックスの接着剤が塗布された接着面を前記太陽電池パネル側に押圧する工程を含む、請求項１５に記載の太陽電池モジュールの製造方法。 The step of pressing the bonding surface of the terminal box to the solar cell panel side includes the top of the terminal box or the frame member disposed at the opposite end of the opposite surface to the solar cell panel. By fastening the frame member and the terminal box by the screw member in a state where the part is in contact with the frame member or the terminal box on the opposite side of the solar cell panel with respect to the screw member, The manufacturing method of the solar cell module of Claim 15 including the process of pressing the adhesion surface where the adhesive agent of the said terminal box was apply | coated to the said solar cell panel side.
  17. 　前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程は、前記端子ボックスの接着面が前記枠部材とは反対側に向かうにしたがって前記太陽電池パネルに近づくように傾斜するまで前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程を含む、請求項１２に記載の太陽電池モジュールの製造方法。 The step of pressing the bonding surface of the terminal box to the solar cell panel side is performed until the bonding surface of the terminal box is inclined so as to approach the solar cell panel toward the opposite side of the frame member. The manufacturing method of the solar cell module of Claim 12 including the process of pressing the adhesive surface of this to the said solar cell panel side.
  18. 　前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程は、前記端子ボックスの接着面が傾斜するまで前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程に先立って、前記端子ボックスの接着面と前記太陽電池パネルとを略平行な状態にして前記端子ボックスと前記枠部材とを前記接着剤および前記ねじ部材を介して仮留めする工程をさらに含む、請求項１７に記載の太陽電池モジュール。 The step of pressing the bonding surface of the terminal box to the solar cell panel side is preceded by the step of pressing the bonding surface of the terminal box to the solar cell panel side until the bonding surface of the terminal box is inclined. 18. The method according to claim 17, further comprising a step of temporarily fixing the terminal box and the frame member via the adhesive and the screw member in a state in which the adhesive surface of the box and the solar cell panel are substantially parallel to each other. Solar cell module.
  19. 　前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程は、前記接着面に塗布された前記接着剤が前記端子ボックスから外側にはみ出すまで前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程を含む、請求項１２に記載の太陽電池モジュールの製造方法。 The step of pressing the bonding surface of the terminal box to the solar cell panel side is such that the bonding surface of the terminal box is moved to the solar cell panel side until the adhesive applied to the bonding surface protrudes outward from the terminal box. The manufacturing method of the solar cell module of Claim 12 including the process to press.
  20. 　前記端子ボックスの接着面を前記太陽電池パネル側に押圧する工程は、前記端子ボックスに設けられた前記突出部を前記ねじ部材に対して前記太陽電池パネルとは反対側で前記枠部材に当接させた状態で、前記ねじ部材により前記枠部材と前記端子ボックスとを締結することにより、前記端子ボックスの接着剤が塗布された接着面を前記太陽電池パネル側に押圧する工程を含む、請求項１２に記載の太陽電池モジュールの製造方法。 The step of pressing the bonding surface of the terminal box to the solar cell panel side is such that the protruding portion provided in the terminal box contacts the frame member on the opposite side of the solar cell panel with respect to the screw member. The method includes pressing the adhesive surface of the terminal box to which the adhesive is applied to the solar cell panel side by fastening the frame member and the terminal box with the screw member in a state of being applied. The manufacturing method of the solar cell module of 12.
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JPH07115218A (en) * 1993-10-18 1995-05-02 Tonen Corp Solar battery with lightening arrester element
JPH0955528A (en) * 1995-08-15 1997-02-25 Canon Inc Terminal leading-out part structure of solar battery module
JPH0955520A (en) * 1995-08-15 1997-02-25 Canon Inc Terminal leading-out part structure of solar battery module
JP2007081034A (en) * 2005-09-13 2007-03-29 Sanyo Electric Co Ltd Solar cell module

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Publication number Priority date Publication date Assignee Title
DE102012220088A1 (en) * 2012-11-05 2014-05-08 Semikron Elektronik Gmbh & Co. Kg Connecting device and arrangement hereby and with a photovoltaic module
JP2015192480A (en) * 2014-03-27 2015-11-02 パナソニックＩｐマネジメント株式会社 Solar cell module and manufacturing method of solar cell module

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