JP2013221364A - Solar cell module, production method for solar cell module, support structure for solar cell module, and solar power generation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the quality of adhesion state to be confirmed by visual observation even when the used amount of an adhesive member is reduced.SOLUTION: A solar cell module comprises a solar cell module main body (11), and a support rail (12) adhered and fixed to the rear surface of the solar cell module main body (11) by an adhesive (30). In an adhesive surface (12a1) of the support rail (12) for the adhesive (30), a confirmation hole (13), which penetrates from the adhesive surface (12a1) to a surface opposite thereto, is provided.

Description

  The present invention relates to a solar cell module that photoelectrically converts sunlight, a method for manufacturing the solar cell module, a support structure for the solar cell module, and a photovoltaic power generation system.

  As a conventional solar power generation system, for example, there is one described in Patent Document 1.

  In this photovoltaic power generation system, a plurality of concrete elongated bases are arranged in parallel at regular intervals, and one end in the longitudinal direction of two adjacent bases is connected by a first connecting member, while the other The end portions of the solar cell modules are connected to each other by a second connecting member, and the solar cell modules are placed on the first connecting member and the second connecting member between the mounts. Moreover, the end of each solar cell module adjacent to each step formed at both ends of the upper surface of the gantry is arranged, and the pressing tool is placed on the upper surface of the gantry to be fixed. The end is pressed and supported from above by a presser.

  In this case, in the conventional solar power generation system, the first connection member and the second connection member are bonded in advance to the back side of the solar cell module body as a support member by an adhesive member, and the support member is attached to the gantry. A structure that also serves as is proposed (see, for example, Patent Document 2).

JP 2011-165595 A JP 2011-222930 A

  In this case, the support member is bonded to the back surface of the solar cell module main body by an adhesive member. In order to reduce the amount of use, a part of the adhesive surface of the support member (specifically, the peripheral portion of the adhesive surface) Therefore, the adhesive member does not protrude from the adhesive surface to the outside after bonding. For this reason, there is a problem that the operator cannot confirm the quality of the bonded state.

  In particular, in a solar cell module main body having a large external size, there is a possibility that a portion where the support member is insufficiently bonded due to warpage of the substrate or the like, so it is extremely important to visually check the adhesion state. . In addition, when a plurality of solar cell modules having such a large outer size are bonded to the support member, it is important to confirm whether or not the bonded state is good.

  The present invention was devised to solve such problems. The purpose of the present invention is to provide a solar cell module and a solar cell module capable of visually confirming whether or not the adhesive state is good even when the amount of the adhesive member used is reduced. It is providing the manufacturing method of this, the support structure of a solar cell module, and a solar power generation system.

  In order to solve the above problems, a solar cell module of the present invention includes a solar cell module main body, and a support member that is bonded and fixed to the back surface of the solar cell module main body by an adhesive member. The bonding surface is provided with a hole penetrating from the bonding surface to a surface opposite to the bonding surface. Further, in the solar cell module of the present invention, a plurality of the support members are arranged in parallel at a predetermined interval, and each of the support members has a plurality of the solar cell module bodies on the support members. It has a structure in which it is installed side by side in a state of being bridged and fixed.

  According to the present invention, after the support member is bonded to the back surface of the solar cell module body, the bonding state can be confirmed from the hole.

  In the solar cell module of the present invention, the adhesive member is applied to a part of the adhesive surface including the hole. By applying the adhesive member to a part of the adhesive surface of the support member, the amount of the adhesive member used can be reduced. On the other hand, by checking the quality of the adhesive state visually from the hole, even with a small amount of the adhesive member The occurrence of poor adhesion of the support member can be reliably prevented.

  Moreover, in the solar cell module of this invention, the said adhesive member is apply | coated to the inner side area | region except the peripheral part of the said adhesion surface. By applying the adhesive member to the inner region excluding the peripheral portion of the adhesive surface of the support member, it is possible to prevent the adhesive member from protruding from the peripheral portion of the adhesive surface of the support member after adhesion.

  Moreover, in the solar cell module of this invention, it penetrates into the said hole and is provided so that the inner peripheral surface of the said hole may be covered at least.

  When a plated steel plate is used as a support member, holes are formed by drilling, and rust is likely to occur from the drilled part, but the inner peripheral surface of the hole is covered with an adhesive member to prevent rusting. can do.

  Moreover, in the solar cell module of the present invention, the hole is formed as a long hole that is long in the width direction perpendicular to the longitudinal direction of the long support member, and the adhesive is attached to both end portions in the width direction of the long hole. It is good also as a structure where the member is not apply | coated.

  Since the entire solar cell module installed on the gantry is inclined downward from the back side of the gantry toward the near side, the long support members arranged in the lateral direction are also arranged in the longitudinal direction. It is inclined downward from the back side to the front side. Therefore, water may accumulate in a gap between the back surface of the solar cell module and the back side of the bonding surface of the support member, which is generated by the thickness of the bonding member. However, in the present invention, the hole is a long hole, and the adhesive member is not applied to both end portions in the width direction of the long hole, so that both end portions become drain holes and drain the accumulated water. it can. That is, it can be dropped downward. Thereby, it can prevent that rust generate | occur | produces in a support member or water accumulates in a clearance gap, and an adhesive member peels from the back surface of a solar cell module.

  Moreover, in the solar cell module of this invention, the said hole is provided in multiple places along the longitudinal direction of the said elongate support member.

  By providing the holes at a plurality of locations along the longitudinal direction of the support member, it is possible to check the quality of the bonded state at a plurality of locations in the longitudinal direction, so whether the adhesive member is well bonded over the entire length of the support member (i.e. It is possible to confirm whether or not the support member is bonded almost uniformly over the entire length of the support member.

  Moreover, in the solar cell module of this invention, the said hole is provided at equal intervals over the full length of the longitudinal direction of the said support member.

  By providing the holes at equal intervals over the entire length in the longitudinal direction of the support member, it can be easily confirmed whether or not the holes are bonded almost uniformly over the entire length in the longitudinal direction.

  Moreover, the manufacturing method of the solar cell module according to the present invention includes a solar cell module body, a support member that supports the solar cell module body, and an adhesive member that bonds and fixes the support member to the back surface of the solar cell module body. And a hole penetrating from the adhesive surface to a surface opposite to the adhesive surface is provided in the adhesive surface of the support member by the adhesive member, An application step of applying the adhesive member to any one of a part of an adhesive region for adhering the support member on a back surface side of the battery module body or a part of an adhesive region of the adhesive surface of the support member; Bonding the adhesion area on the back side of the battery module body and the adhesion area of the support member, the solar cell module body and the support And a bonding step for bonding the bets member, in the bonding step, the adhesive member is characterized in that for infiltration of the adhesive member to cover at least the inner peripheral surface and entering the inside of the hole.

  According to the manufacturing method of the present invention, after the support member is bonded to the back surface of the solar cell module main body, the bonding state can be confirmed from the hole, so that a bonding defect can be easily found.

  Moreover, the manufacturing method of the solar cell module according to the present invention includes a solar cell module body, a support member that supports the solar cell module body, and an adhesive member that bonds and fixes the support member to the back surface of the solar cell module body. A plurality of the support members are arranged in parallel at a predetermined interval, and each of the support members is arranged in a state where a plurality of the solar cell module bodies are bridged on the support members. A method of manufacturing a solar cell module that is installed and fixed by bonding, wherein a hole penetrating from the adhesive surface to a surface opposite to the adhesive surface is provided in an adhesive surface of each support member by the adhesive member A part of an adhesion region for adhering the support member on the back surface side of the solar cell module body, or contact of the adhesion surface of the support member. An application step of applying the adhesive member to any one of the regions, and bonding the adhesive region on the back surface side of the solar cell module body to the adhesive region of the support member, the support member and the solar cell A bonding step of bonding the module main body, wherein the bonding member enters the hole until the bonding member enters the hole and covers at least the inner peripheral surface.

  According to the manufacturing method of the present invention, after the support member is bonded to the back surface of the solar cell module main body, the bonding state can be confirmed from the hole, so that a bonding defect can be easily found.

  Further, in the method for manufacturing a solar cell module according to the present invention, in the manufacturing method of each of the above configurations, the hole is formed as a long hole that is long in the width direction perpendicular to the longitudinal direction of the elongated support member. In the bonding step, the adhesive member enters the hole until the adhesive member enters the inside of the hole and covers at least a part of the inner peripheral surface, and the adhesive member is disposed at both end portions in the width direction of the hole. It is characterized by not providing.

  According to the manufacturing method of the present invention, after the support member is bonded to the back surface of the solar cell module main body, the bonding state can be confirmed from the hole, so that a bonding defect can be easily found. Further, by making the hole into a long hole and not providing an adhesive member at both end portions in the width direction of the long hole, the both end portions become drain holes and water accumulated can be drained.

  Moreover, the support structure of the solar cell module according to the present invention is a support structure of the solar cell module having the above-described configuration, and a stand on which an end portion of the support member of the solar cell module is placed, and the end portion And a fixing portion that fixes the frame to the gantry.

  According to the present invention, by attaching the support member to the back surface of the solar cell module in advance, the solar cell module can be easily attached to the mount.

  Moreover, the support structure of the solar cell module according to the present invention is a support structure of a solar cell module that supports a plurality of solar cell modules having the above-described configurations side by side, and the support members of the adjacent solar cell modules are adjacent to each other. It is characterized by comprising a gantry on which end portions are placed and a fixing portion that fixes the adjacent end portions to the gantry.

  According to the present invention, by attaching a plurality of solar cell modules to the support member in advance, it becomes easy to attach the solar cell module to the mount.

  Moreover, the solar power generation system of the present invention is constructed using the support structure for the solar cell module having the above-described configurations. According to the solar power generation system of the present invention, the same operation and effect as the above-described support structure of the solar cell module can be obtained.

  Since this invention was comprised as mentioned above, after adhere | attaching a support member on the back surface of a solar cell module main body, the adhesion state can be confirmed visually from the hole of a support member. In addition, by applying the adhesive member to a part of the adhesive surface of the support member, the amount of the adhesive member used can be reduced. On the other hand, by visually checking the adhesive state from the hole, a small amount of the adhesive member can be obtained. However, even if the adhesion failure of the support member occurs, this can be reliably detected.

It is a schematic perspective view which shows the whole structure of the solar cell system of the state which has arrange | positioned the solar cell module which integrally assembled | attached the solar cell module main body which concerns on embodiment of this invention on the mount frame. It is a schematic left view of the solar power generation system A shown in FIG. It is a general | schematic disassembled perspective view which shows the state before installing a solar cell module in a mount frame. It is the schematic perspective view which looked at the subunit from the light-receiving surface side. It is the schematic perspective view which looked at the subunit from the back surface side on the opposite side to a light-receiving surface. It is a schematic perspective view which decomposes | disassembles and shows one solar cell module main body in the state which looked at the subunit from the back surface side. It is a schematic perspective view which shows schematic structure of a support rail. It is a schematic sectional drawing which shows schematic structure of a support rail. It is a schematic perspective view which shows the state which apply | coated the adhesive member to the support rail. FIG. 2 is a plan view of a subunit showing a state in which two support rails coated with adhesive members are arranged in parallel at a predetermined interval, and three solar cell module bodies are arranged side by side with almost no gap therebetween. is there. It is a schematic sectional drawing in alignment with the DD line | wire of FIG. It is a schematic perspective view which shows the other structural example of a support rail. It is a schematic sectional drawing which shows the other structural example of a support rail. It is a schematic perspective view which shows the state which apply | coated the adhesive member to the support rail of another structural example. 2 shows a state in which two support rails of another configuration example to which an adhesive member is applied are arranged in parallel at a predetermined interval, and three solar cell module bodies 11 are arranged side by side with almost no gap therebetween. It is a top view. It is a schematic sectional drawing in alignment with the EE line of FIG. It is a schematic sectional drawing in alignment with the FF line of FIG. It is a partially expanded sectional view which shows the state in which the sub unit was installed in the mount frame. (A)-(c) is a schematic sectional drawing which shows the modification of a support rail. It is a schematic perspective view which shows an example of the mounting apparatus used at an arrangement | positioning process. It is a schematic side view of a mounting apparatus. It is a schematic sectional drawing in alignment with the GG line of FIG. It is a schematic perspective view which shows an example of the coating device provided in the mounting apparatus used at a coating process. It is a schematic perspective view which shows the state by which the solar cell module main body was adhere | attached on the support rail in the adhesion | attachment process. It is the schematic perspective view which looked at the state by which a receiving part is attached and fixed to a vertical beam from diagonally upward. It is the schematic perspective view which looked at the state by which a receiving part is attached and fixed to a vertical beam from diagonally downward. It is a schematic sectional drawing in alignment with the H1-H1 line | wire of FIG.24 and FIG.25 which shows the state by which the receiving part was attached and fixed to the vertical bar. It is the general | schematic disassembled perspective view which looked at the state which the installation edge part of each support rail adjacent to the left-right direction is faced | matched with respect to the receiving part fixed to the vertical cross, and was fixed with the fixing tool from diagonally upward. Outline along line H2-H2 of FIGS. 24 and 25 showing a state in which the installation end portions of the support rails adjacent to each other in the left-right direction are abutted against the receiving portion fixed to the vertical beam and fixed by the fixture. It is sectional drawing.

  Embodiments according to the present invention will be described below with reference to the drawings. The following embodiments are examples embodying the present invention, and are not of a nature that limits the technical scope of the present invention.

<Description of the overall configuration of the photovoltaic power generation system>
First, the overall configuration of a photovoltaic power generation system A according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 3.

  FIG. 1 is a schematic perspective view showing an overall configuration of a solar cell system A in a state in which a subunit 10 in which a solar cell module body 11 according to an embodiment of the present invention is integrally assembled is disposed on a gantry 20. FIG. 2 is a schematic left side view of the photovoltaic power generation system A shown in FIG. FIG. 3 is a schematic exploded perspective view showing a state before the subunit 10 is installed on the gantry 20.

  In the following description, the direction in which the foundations 11 are arranged toward the front (the surface side of the solar cell module) is the left-right direction X, and the direction orthogonal to both the left-right direction X and the vertical direction (up-down direction) Z is The front-rear direction Y is assumed, and the inclination direction of the vertical beam 23 is the upper-lower diagonal direction W. Further, the longitudinal direction of the solar cell module main body 11 is defined as a vertical direction N, and the short direction of the solar cell module main body 11 is defined as a horizontal direction T.

  The solar power generation system A shown in FIG. 1 is configured to be usable as a solar power plant, for example.

  The photovoltaic power generation system A includes a subunit 10 that functions as a solar cell module including a solar cell module body 11 and a support rail 12 (an example of a support member), and a gantry 20 that supports the subunit 10.

  The subunit 10 has m stages (m is an integer of 1 or 2 or more, here m = 2) and n columns (n is an integer of 1 or 2 or more) in the left-right direction X with respect to the gantry 20. ) Arranged in a matrix of m stages × n columns (see FIG. 1). The gantry 20 is provided in a plurality (in this case, n + 1) in the horizontal direction X. Here, when the gantry 20 is located at an intermediate position excluding the gantry 20, 20 at both ends in the left-right direction X, the gantry 20 at the intermediate position is the same as the common gantry of the subunits 10, 10 adjacent in the left-right direction X. Has been.

  Each of the mounts 20 to 20 constitutes a support structure for the subunit 10 and includes a foundation 21 made of concrete or the like, an arm member 22 and a vertical beam 23. Each of the arm member 22 and the vertical rail 23 is formed of a steel material such as a steel plate.

  In the photovoltaic power generation system A, a plurality (here, n + 1) foundations 21 to 21 are laid on the ground at equal intervals in the left-right direction X, and the arm members 22 are fixed to the foundations 21 respectively.

  More specifically, each base 21 is erected in the vertical direction Z by burying the lower end portion of the arm member 22 in the central portion of the upper surface 211 in the front-rear direction Y. The arm member 22 supports the vertical beam 23 by connecting the central part in the front-rear direction Y of the vertical beam 23 at the upper end portion by a connection member R (see FIGS. 1 and 3) such as a bolt and a nut. . The vertical rail 23 is provided on the arm member 22 in a state where it is inclined at a predetermined angle so that the rear side is high and the front side is low in the front-rear direction Y.

  The support rail 12 in the sub unit 10 is bridged along the left-right direction X between the vertical rails 23, 23 provided on the arm members 22, 22 in the bases 21, 21 adjacent to each other in the left-right direction X. It is installed on the crosspieces 23 and 23. The vertical bars 23 and 23 support the m-stage (here, m = 2) subunit 10 in the up and down diagonal direction W (see FIG. 1).

  Specifically, in the lower row, a plurality (two in this case) bonded and fixed to the back surfaces of the solar cell module bodies 11 to 11 via an adhesive 30 (see FIG. 6 described later) as an example of an adhesive member. The installation end portions 12e and 12e on both sides of the support rails 12 and 12 are fitted into receiving portions 25 to 25 which are attached to a plurality of locations (two in this case) on the front side of the mounting inclined surfaces 23a and 23a of the vertical rails 23 and 23. It has a structure that can be inserted. Further, in the upper row, as in the lower row, a plurality of (two in this case) supports that are bonded and fixed to the back surfaces of the solar cell module bodies 11 to 11 via an adhesive 30 (see FIG. 6 described later). The installation end portions 12e and 12e on both sides of the rails 12 and 12 are fitted into receiving portions 25 to 25 that are attached to a plurality of locations (two locations here) on the rear side of the mounting inclined surfaces 23a and 23a of the vertical rails 23 and 23. It has a structure.

  Then, the installation end portions 12e and 12e of the support rails 12 and 12 of each of the subunits 10 and 10 adjacent in the left and right direction X are abutted with each other in the receiving portion 25, and the fixing tool constituting the support structure of the subunit 10 24 (an example of a fixing portion, see FIGS. 27 and 28 described later). Such a support structure will be described in detail later.

<Description of solar cell module>
Next, the overall configuration of the subunit 10 according to the present embodiment will be described below with reference to FIGS.

  4 to 6 show a schematic configuration of the subunit 10 according to the present embodiment. FIG. 4 is a schematic perspective view of the subunit 10 as viewed from the light receiving surface side, and FIG. 5 is a schematic perspective view of the subunit 10 as viewed from the back side opposite to the light receiving surface. FIG. 6 is a schematic perspective view showing one solar cell module body 11 in an exploded state when the subunit 10 is viewed from the back side.

  The subunit 10 includes one or more (here, three connected in the left-right direction X) solar cell module bodies 11 to 11 and one or more (here, the short direction T) that serve as attachments to the gantry 20. 2) supporting rails 12 and 12 arranged in the longitudinal direction N so as to be parallel to each other.

  The solar cell module body 11 has a rectangular flat plate shape. In the present embodiment, as shown in FIG. 6, the solar cell group 11a is sandwiched between the light receiving surface glass 11b and the back surface glass 11c, It has a structure in which the ends of both glasses 11b and 11c are sealed. That is, in this embodiment, the solar cell module body 11 is a thin film solar cell module having a laminated glass structure, and has a frameless structure. However, the solar cell module main body 11 is not limited to the laminated glass structure, and may be of a back-side back sheet type using a film-like back sheet instead of the back glass 11c.

  And in the subunit 10, the elongate support rail 12 formed in the shape which can attach the solar cell module main body 11 to the mount frame 20 is the back surface of the solar cell module main body 11 (here outer surface of the back surface glass 11c). The solar cell module main body 11 is arranged and fixed along the lateral direction T.

  More specifically, in the subunit 10, a plurality (here, three) solar cell module bodies 11 to 11 are arranged in the horizontal direction T, and a plurality (here, two) support rails 12 are arranged. , 12 are arranged in parallel to each other at a certain interval in the vertical direction N perpendicular to the direction of the boundary between the solar cell module bodies 11, 11 adjacent to each other in the horizontal direction T. And the subunit 10 is the solar cell module main body 11 of the back surface (here outer surface of the back surface glass 11c) and the support rails 12 and 12 of each solar cell module main body 11-11 via the adhesive agent 30 (refer FIG. 6). The solar cell module main bodies 11 to 11 are connected and supported by the support rails 12 and 12 by being overlapped and bonded to the side surface. Here, a slight gap (for example, about 1 cm) may be provided between the solar cell module bodies 11 and 11 adjacent to each other in the lateral direction T from the viewpoint of avoiding damage due to mutual contact. The matching solar cell module bodies 11 to 11 may be brought into contact with each other.

  Thus, by arranging a plurality (here, two) of support rails 12 in parallel along the lateral direction T of the solar cell module body 11, when the subunit 10 is placed on the gantry 20, the vertical direction N The subunit 10 can be mounted and fixed on the gantry 20 stably without rattling.

  The support rails 12 are arranged in parallel along the horizontal direction T with a certain interval in the vertical direction N of the solar cell module main body 11, but in this embodiment, the back surface of the solar cell module main body 11 is arranged. In FIG. 5, the center line α (see FIG. 5) parallel to the horizontal direction T passing through the center position in the vertical direction N is provided at a position that is symmetric or substantially symmetric. Specifically, the arrangement position of the support rail 12 is a position that is brought inward in the vertical direction N by a predetermined distance t (see FIG. 5) from both end edges in the vertical direction N of the solar cell module body 11. Yes.

  As described above, the support rails 12, 12 are disposed at positions that are located inward in the vertical direction N by a distance t from both end edges in the vertical direction N of the solar cell module body 11, so that the sun applied to the support rails 12, 12. The weight of the battery module body 11 can be distributed in a well-balanced manner, whereby the weight distribution to the support rails 12 and 12 can be made uniform.

  To illustrate specific numerical values, the solar cell module body 11 has a rectangular shape in plan view with a length in the vertical direction N of about 1400 mm and a length in the horizontal direction T of about 1000 mm. Each of the support rails 12 and 12 is disposed at a position close to each other by a distance t of about 300 mm from the both end edges in the vertical direction N of the solar cell module body 11 to the inner side in the vertical direction N. However, it is not limited to these numerical values.

  In addition, it is preferable that the arrangement | positioning position of the support rail 12 is made into the center position of the both-ends edge in the vertical direction N of the solar cell module main body 11, and the centerline (alpha). By doing so, the weight of the solar cell module main body 11 applied to the support rails 12 and 12 can be further distributed in a balanced manner, whereby the weight distribution to the support rails 12 and 12 can be made more uniform. Become.

<Description of support rail>
7 and 8 are a schematic perspective view and a schematic sectional view showing the support rail 12 shown in FIGS. 1 to 6. FIG. 9 is a schematic perspective view showing a state in which an adhesive is applied to the support rail 12. Here, a direction in which the support rail 12 extends is a longitudinal direction L, and a direction perpendicular to the longitudinal direction L is a short direction M.

  The support rail 12 is bent inward at the long main plate 12a, the side plates 12b and 12b bent at both long sides in the short direction M of the main plate 12a, and the lower sides of the side plates 12b and 12b. Furthermore, it has the folding | returning reinforcement parts 12c and 12c bent upwards. That is, the support rail 12 has a substantially lip groove steel shape (U-shaped cross-sectional shape) in cross-sectional shape.

  Further, the main plate 12a is provided with holes (hereinafter referred to as confirmation holes) 12d at a plurality of positions with a constant interval along the longitudinal direction L. The confirmation hole 12d is provided so as to penetrate from the upper surface (adhesion surface described later) 12a1 of the main plate 12a to the opposite surface 12a2 (see FIG. 8). The size of the confirmation hole 12d is about several mm to several tens of mm (for example, 5 mm). By providing the support rail 12 with the confirmation hole 12d, the adhesion state can be visually confirmed from the confirmation hole 12d after the support rail 12 is adhered to the back surface of the solar cell module body 11 with the adhesive 30.

  More specifically, in the present embodiment, the confirmation hole 12d has a plurality of locations over the entire length in the longitudinal direction L (in this example, four locations with respect to one solar cell module body 11 in a total of 12 locations). ). In this way, since the quality of the bonded state can be confirmed at a plurality of locations in the longitudinal direction L by being provided at a plurality of locations over the entire length in the longitudinal direction L, whether or not the adhesive is well adhered over the entire length of the support rail 12 is determined. Can be easily confirmed.

  In the present embodiment, the confirmation holes 12d may be provided at equal intervals over the entire length of the support rail 12 in the longitudinal direction L. By providing the confirmation holes 12d at equal intervals, it can be easily confirmed whether or not the holes are bonded substantially uniformly over the entire length in the longitudinal direction L. However, the intervals provided are not necessarily equal. For example, at a place where stress is likely to be applied, the arrangement interval of the confirmation holes 12d may be narrowed so that the adhesion state at that portion can be confirmed more finely.

  In this case, as shown in FIG. 9, the adhesive 30 is applied to a part of the surface including the confirmation hole 12d on the adhesive surface 12a1, which is the upper surface of the main plate 12a of the support rail 12. Specifically, the adhesive 30 is applied over substantially the entire length in the longitudinal direction L of the support rail 12 in the inner region excluding the peripheral edge portion of the bonding surface 12a1. As described above, by applying the adhesive 30 to the inner region excluding the peripheral portion of the adhesive surface 12a1 of the support rail 12, the amount of the adhesive 30 used can be reduced, while the adhesion state is visually checked from the confirmation hole 12d. By confirming the above, even if a small amount of the adhesive 30 is used, it is possible to easily confirm the occurrence of the adhesion failure of the support rail 12, so that it is possible to reliably prevent the product from being shipped with the adhesion failure. it can.

  FIG. 10 shows two support rails 12 coated with an adhesive 30 as shown in FIG. 9 arranged in parallel with a predetermined distance therebetween, and three solar cell module bodies 11 are substantially spaced between them. FIG. 11 is a schematic cross-sectional view taken along the line DD of FIG. 10. However, in FIG. 10, the solar cell module main body 11 is illustrated by imaginary lines so that the bonded portion can be easily confirmed.

  As shown in FIG. 11, the adhesive 30 is provided so as to enter the confirmation hole 12d and cover at least the inner peripheral surface 12d1 of the confirmation hole 12d. In FIG. 11, it protrudes from the inner peripheral surface 12d1 to the peripheral edge 12d11.

  When a plated steel plate is used as the support rail 12, the confirmation hole 12d is formed by drilling, and rust is likely to be generated from the hole processed portion. However, at least the inner peripheral surface 12d1 of the confirmation hole 12d by the adhesive 30 Covering can prevent the occurrence of rust.

  Here, as the adhesive 30, for example, a two-component silicone adhesive can be used. However, there is a certain degree of fluidity, and it is sufficient that the adhesive 30 penetrates to the inner peripheral surface 12d1 of the confirmation hole 12d by the weight of the solar cell module body 11 and is limited to a two-component silicone adhesive. It is not a thing.

  12 and 13 are a schematic perspective view and a schematic cross-sectional view showing another configuration example of the support rail shown in FIGS. 1 to 6. FIG. 14 is a schematic perspective view showing a state in which an adhesive is applied to a support rail of another configuration example.

  A support rail 13 of another configuration example shown in FIG. 12 includes a long main plate 13a, side plates 13b and 13b, folded reinforcing portions 13c and 13c, and a check hole 13d. 12 is the same. However, in this configuration example, the formation positions and the number of the confirmation holes 13d are the same as those of the support rail 12, but the confirmation holes 13d are formed as long holes in the short direction M of the support rail 13. .

  In this case, as shown in FIG. 14, the adhesive 30 is applied to a part of the surface including the confirmation long hole 13 d on the adhesive surface 13 a 1 which is the upper surface of the main plate 13 a of the support rail 13. Specifically, the adhesive 30 is applied over substantially the entire length in the longitudinal direction L of the support rail 13 in the inner region excluding the peripheral edge portion of the adhesive surface 13a1 and both end portions 13d2 and 13d2 of the confirmation long hole 13d. As described above, by applying the adhesive 30 to the inner region excluding the peripheral portion of the adhesive surface 13a1 of the support rail 13, the amount of the adhesive 30 used can be reduced, while the adhesion state is visually checked from the confirmation hole 13d. By confirming the above, even if a small amount of the adhesive 30 is used, it is possible to easily confirm the occurrence of the adhesion failure of the support rail 13, so that it is possible to reliably prevent the product from being shipped with the adhesion failure. it can.

  In FIG. 15, two support rails 13 coated with an adhesive 30 as shown in FIG. 14 are arranged in parallel in the transverse direction T with a predetermined interval in the longitudinal direction N, and three pieces are provided thereon. FIG. 16A is a schematic cross-sectional view taken along the line EE of FIG. 15, and FIG. 16B is a cross-sectional view taken along the line F- of FIG. It is a schematic sectional drawing in alignment with F line. However, in FIG. 15, the solar cell module body 11 is illustrated by an imaginary line so that the bonded portion can be easily confirmed.

  As shown in FIG. 16A, the adhesive 30 is provided so as to enter the confirmation hole 13d and cover the inner peripheral surface 13d1 excluding both end portions 13d2 and 13d2 of the confirmation long hole 13d. Further, as shown in FIG. 16B, the adhesive 30 is provided so as to protrude from the inner peripheral surface 13d1 to the peripheral edge portion 13d11 in a portion excluding both end portions 13d2 and 13d2 of the confirmation long hole 13d.

  As shown in FIG. 17, the subunit 10 installed on the gantry 20 is inclined downwardly from the back side in the front-rear direction Y of the gantry 20 toward the front side (that is, tilted with respect to the installation surface). Therefore, the main plate 13a of the long support rail 13 arranged in the left-right direction X is also provided to be inclined downward from the back side in the front-rear direction Y toward the front side. Therefore, water may accumulate in the gap Q between the back surface of the subunit 10 and the back side of the bonding surface 13a1 of the support rail 13 caused by the thickness of the adhesive 30. However, in the present invention, the confirmation hole 13d is a long hole, and the adhesive 30 is not provided at both end portions 13d2 in the short direction M of the long hole (that is, the upper end portion and the lower end portion in the inclined direction). In this case, the end portion (particularly, the upper end portion in the inclined direction) 13d2 of the confirmation elongated hole 13d becomes a drain hole, and water can be prevented from accumulating. That is, the water flowing on the surface of the back glass 11c of the solar cell module body 11 can be dropped downward from the end portion 13d2 of the confirmation hole 13d. Thereby, it can prevent that the rust generate | occur | produces in the support rail 13, or the adhesive agent 30 peels from the back surface of a solar cell module because water accumulates in the clearance gap Q.

  FIGS. 18A to 18C show modified examples of the support rails 12 and 13. 18A shows an example in which the corners where the main plates 12a and 13a intersect the side plates 12b and 13b are inclined to form inclined pieces, and FIG. 18B shows the main plates 12a and 13a and the side plates 12b. , 13b is an example in which the corners intersect with each other in a curved shape, and FIG. 18C is an example in which the main plates 12a, 13a are formed in a curved shape so as to be continuous with the side plates 12b, 13b. .

  In the above-described configuration, the support rails 12 and 13 have installation end portions 12e and 13e at the lower side of both end portions of the side plates 12b and 13b and at both end portions of the folded reinforcing portions 12c and 13c. The support rails 12 and 13 having such a configuration can be formed by punching and bending a steel plate and plating the surface thereof.

  Also, as shown in FIGS. 10 and 15, the support rails 12 and 13 have a lateral length T1 in the lateral direction X of the subunit 10, and the lateral direction T of the entire solar cell module bodies 11 to 11 in the subunit 10. Is slightly longer than the length d2. The support rails 12 and 13 are bonded over substantially the entire area of the bonding portions of the solar cell module main bodies 11 to 11 in the subunit 10, and the bonding area with the solar cell module main bodies 11 to 11 is made as large as possible. And the protrusion amount d3 of the both ends in the horizontal direction T of each support rail 12 and 13 which protruded from the both ends position in the horizontal direction T of each solar cell module main body 11-11 whole in the subunit 10 is mutually made to correspond. .

  In addition, as for each support rail 12 and 13, the length d1 of the horizontal direction T in the subunit 10 is the same as or substantially the same as the length d2 of the whole solar cell module main bodies 11-11 in the subunit 10 in the horizontal direction T2. It may be a length. In this case, both end positions of the support rails 12 and 13 and both end positions in the lateral direction T of the entire solar cell module bodies 11 to 11 in the subunit 10 can be made to coincide with each other. Here, a slight gap (between the respective subunits 10 and 10 adjacent in the horizontal direction T (between the solar cell module bodies 11 at the left end or the right end in the horizontal direction T) from the viewpoint of mutual damage ( For example, about 1 cm) may be provided, or the subunits 10 and 10 adjacent to the horizontal direction T (the solar cell module body 11 at the left end or the right end in the horizontal direction T) may be brought into contact with each other. Further, similarly to the case of the horizontal direction T, damage due to mutual contact is avoided between the subunits 10 and 10 adjacent to each other in the vertical direction N (the solar cell module body 11 at the upper end or the lower end of the vertical direction N). A slight gap (for example, about 1 cm) may be provided from the viewpoint, and the subunits 10 and 10 adjacent to each other in the vertical direction N (the solar cell module body 11 at the upper end or the lower end in the vertical direction N) are brought into contact with each other. Also good.

<Description of Subunit 10 Manufacturing Method>
Next, for the manufacturing method of the subunit 10, in particular, the bonding process of bonding the solar cell module body 11 and the support rail 12 or 13 via the adhesive 30, refer to each process explanatory diagram shown in FIGS. 19 to 23. To explain. However, here, the bonding process between the support rail 12 and the solar cell module body 11 will be described, and the bonding process between the support rail 13 and the solar cell module body 11 will be supplementarily described.

  The manufacturing method of the subunit 10 according to the present invention includes an arranging step of arranging a plurality of support rails 12 in parallel at a predetermined interval, and an adhesion for bonding the support rails 12 on the back surface side of the solar cell module body 11. Application in which adhesive 30 is applied to either one part of the region or part of the adhesive region of adhesive surface 12a1 of support rail 12 (in this example, part of the adhesive region of adhesive surface 12a1 of support rail 12) A bonding step of bonding the support rail 12 and the solar cell module main body 11 together by bonding the bonding region on the back surface side of the solar cell module main body 11 to the bonding surface 12a1 of the support rail 12. In the aligning step, the adhesive 30 is allowed to enter until the adhesive 30 enters the confirmation hole 12d and covers at least the inner peripheral surface 12d1. According to this manufacturing method, after bonding the support rail 12 to the back surface of the solar cell module body 11, the bonding state can be visually confirmed from the confirmation hole 12d, so that a bonding defect can be easily found. it can.

  Hereinafter, each step will be described in detail.

  In the arranging step, the mounting device 220 shown in FIGS. 19 to 21 is used. 19 is a schematic perspective view showing an example of the mounting device, FIG. 20 is a schematic side view of the mounting device, and FIG. 21 is a schematic cross-sectional view along the line GG in FIG.

  The mounting device 220 is for mounting and supporting the two support rails 12 at a predetermined interval, and includes a mounting roller unit 222 that also serves as a transport.

  The placement roller portion 222 is configured to be placed and supported so that the bonding surface 12a1 faces upward in a state where the support rail 12 is positioned at a position where the support rail 12 is bonded to the solar cell module body 11.

  Specifically, the mounting roller portion 222 has a length longer than the length d1 of the support rail 12 (see FIG. 20), and the support rail 12 and the solar cell module body 11 are interposed via the adhesive 30. Can be transported to the next curing step. The curing process is a process of curing the adhesive 30 so that the adhesive force of the adhesive 30 can be sufficiently obtained.

  The mounting roller unit 222 includes a plurality of mounting rollers 222a to 222a arranged in parallel along the horizontal direction T so as to be parallel to each other in the vertical direction N, and both ends of the mounting rollers 222a to 222a in the vertical direction N. And a pair of support frames 222b and 2222b.

  The placement rollers 222 a to 222 a have a length that is approximately the same as the length in the longitudinal direction N of the solar cell module body 11. Further, the placement rollers 222a to 222a are arranged at a pitch P (see FIG. 20) that does not contact each other. Here, as for mounting roller 222a-222a, each pitch P is below half of the width | variety in the horizontal direction T of the solar cell module main body 11, and it is the support rail 12 with respect to one solar cell module main body 11. At least three or more (here, five) placement rollers 222a to 222a are supported.

  The pair of support frames 222b and 222b are long members that are long in the horizontal direction T and are arranged in parallel on both sides in the vertical direction N across the mounting rollers 222a to 222a. The inner surface facing to 222a has a plurality of bearings 222c to 222c arranged in a line along the lateral direction T. The mounting rollers 222a to 222a are rotatably supported by the pair of support frames 222b and 222b, with the rotation shafts 222a1 and 222a1 at both ends supported by the bearings 222c to 222c of the pair of support frames 222b and 222b, respectively. It has come to be.

  As shown mainly in FIG. 21, the mounting roller portion 222 having such a configuration has a pair of fitting groove portions 222a2 on the outer peripheral surfaces of the mounting rollers 222a to 222a with a certain interval in the vertical direction N. , 222a2 are formed over the entire circumference. The fitting groove 222a2 is formed to have a width that sandwiches both side plates 12b, 12b of the support rail 12, and the fitting of the support rail 12 in one row in the lateral direction T of the mounting rollers 222a to 222a. By fitting into the groove portions 222a2 to 222a2, the bonding position with respect to the solar cell module body 11 can be positioned.

  In the placement step, as shown in FIGS. 19 and 20, the two support rollers 12 and 12 are fitted and placed in the rows of the respective fitting groove portions 221a2 with the bonding surface 12a1 facing upward.

  In the coating process, a coating apparatus 210 shown in FIG. 22 is used. FIG. 22 is a schematic perspective view illustrating an example of a coating apparatus provided in the mounting apparatus.

  The coating device 210 applies the adhesive 30 to the bonding surface 12a1 of the support rail 12. In the present embodiment, a nozzle 213a, which will be described later, is mounted on the mounting device 220 and supported by the supporting rail 12 that is supported. On the other hand, the adhesive 30 is applied while being relatively moved.

  Specifically, the coating apparatus 210 includes a coating unit 210 a that applies the adhesive 30. The application unit 210 a includes an adhesive container 211, an adhesive supply unit 212, and an adhesive discharge unit 213.

  The adhesive storage unit 211 has a storage tank 211 a that stores the adhesive 30. In this example, a two-component silicone adhesive is used as the adhesive 30, and the storage tank 211 a includes a first tank 211 b that stores the first bonding material and a second tank that stores the second bonding material. 2 tanks 211c.

  The adhesive supply unit 212 supplies the adhesive 30 stored in the adhesive storage unit 211 to the adhesive discharge unit 213. In this example, the adhesive supply unit 212 supplies the first adhesive material from the first tank 211b to the adhesive discharge unit 213, and the second adhesive material from the second tank 211c. By supplying to 213, these adhesive materials are mixed in the adhesive discharge section 213.

  The adhesive discharge unit 213 has a nozzle 213 a that discharges the adhesive 30. In this example, the number of nozzles 213a is one for one support rail 12.

  In the above configuration, the application unit 210a is integrally formed with an adhesive storage unit 211, an adhesive supply unit 212, and an adhesive discharge unit 213, and is supported by the number of support rails 12 (two in this example). The member 230 is supported by a holding member 240 installed on the member 230. The support members 230 and 230 are disposed on both sides in the vertical direction N across the support frames 222b and 222b of the mounting device 220, and the holding member 240 is vertically stretched over the support members 230 and 230. Supported along direction N.

  Further, the support frames 230 and 230 are fixed on the movable carriages 231 and 231 (only one on the front side is shown in FIG. 22), and the entire coating apparatus 210 is composed of the movable carriage 230 and 230. 230 enables reciprocation in the lateral direction T.

  In the coating process, the adhesive 30 is moved from the nozzles 213a and 213a at a constant discharge amount while moving the coating device 210 in one direction T1 in the lateral direction T, and a predetermined amount of the adhesive surface 12a1 of the support rail 12 is set. The region is sequentially coated over almost the entire length of the support rail 12. In the present embodiment, as shown in FIG. 9, the support rail 12 is applied over almost the entire length to a part of the adhesive surface 12a1 including the confirmation hole 12d, that is, the inner region excluding the peripheral portion of the adhesive surface 12a1. Go.

  As shown in FIG. 14, in the support rail 13 in which the confirmation hole 12d is formed as a long hole, the support rail 13 is supported in the inner region excluding the peripheral edge portion of the bonding surface 13a1 and both end portions 13d2 and 13d2 of the confirmation long hole 13d. It is applied over almost the entire length of the rail 13.

  In the bonding step, as shown in FIG. 23, the three solar cell module bodies 11 are placed on the support rail 12 that is coated with the adhesive 30 and supported by the mounting device 220, and the back surface side is directed downward. It will be placed side by side sequentially. In this case, it is necessary to position the solar cell module main body 11 with respect to the support rail 12, and various known methods can be adopted as a positioning method in such a case, and also in the present embodiment, A well-known method can be adopted. For example, a positioning pin (or positioning plate) for positioning in the horizontal direction T and a positioning pin (or positioning plate) for positioning in the vertical direction N are provided in the vicinity of the placement rollers 222a to 222a, and the first sun When the battery module main body 11 (in FIG. 23, for example, the solar cell module main body 11 on the left front side) is placed, the two sides of the solar cell module main body 11 are placed in contact with the positioning pins, thereby The battery module main body 11 is in a predetermined position with respect to the support rail 12 (each of the support rails 12 and 12 described above is about 300 mm inward in the vertical direction N from both edges in the vertical direction N of the solar cell module main body 11. (Positions close to each other). The second and third solar cell module main bodies 11 may be placed sequentially with reference to the first solar cell module main body 11.

  In this case, in this embodiment, since the solar cell module body 11 is placed on the support rails 12 and 12 (that is, bonded in an actual use state), the solar cell module body 11 is attached to the solar cell module body 11. Even if warpage or the like has occurred, the warpage is corrected by its own weight (about 20 Kg) of the solar cell module body 11, so if it is transported to the next curing step in this state, the back surface and the support of the solar cell module body 11 are supported. The bonding surface 12a1 of the rail 12 is bonded substantially uniformly over the entire length thereof. Further, as described above, since the bonding is performed and the curing is performed in an actual use state, unexpected stress is not applied to the bonded portion even when the solar power generation system is used thereafter.

  Thereafter, when curing is finished, the subunit 10 is turned over (that is, the back side of the solar cell module body 11 is turned up), and the confirmation hole 12d is visually confirmed from between the folded reinforcing portions 12c of the support rail 12. Thus, it can be easily confirmed whether or not the adhesive 30 is sufficiently infiltrated (filled) into the confirmation hole 12d, that is, whether or not there is an adhesion failure.

  In the present embodiment, the adhesive 30 is applied to the support rail 12 side. However, the adhesive 30 is applied to the adhesive region on the back surface side of the solar cell module body 11, and the mounting device 210 is applied in this state. It is also possible to match the position of the adhesion region on the back surface side of the solar cell module body 11 to the adhesion surface 12a1 of the support rail 12 that is placed and supported.

<Description of the joining structure of subunits>
Next, an installation structure for installing each subunit 10 manufactured as described above on the gantry 20 will be described. That is, a joining structure for joining the subunits 10 and 10 adjacent in the left-right direction X to the vertical rail 23 of the gantry 20 will be described below with reference to FIGS. The support rail will be described using the support rail 12 shown in FIGS. 7 and 8.

  FIG. 24 is a schematic perspective view of the state in which the receiving portion 25 is attached and fixed to the vertical rail 23 as viewed obliquely from above. Note that a plurality of (four in this case) receiving portions 25 are provided in one vertical cross 23, and the mounting configuration of the vertical cross 23 and the receiving portion 25 is substantially the same. Therefore, in FIG. 24 and FIGS. 25 to 28 to be described later, a single vertical rail 23 and a receiving portion 25 are shown as a representative configuration.

  FIG. 25 is a schematic perspective view of a state in which the receiving portion 25 is attached and fixed to the vertical rail 23 as viewed obliquely from below. 26 is a schematic cross-sectional view taken along the line H1-H1 of FIGS. 24 and 25, showing a state in which the receiving portion 25 is attached and fixed to the vertical beam 23. FIG. FIG. 27 shows a state in which the installation end portions 12e and 12e of the support rails 12 and 12 adjacent to each other in the left and right direction X face each other with respect to the receiving portion 25 fixed to the vertical beam 23 and are fixed by the fixture 24. It is the general | schematic disassembled perspective view seen from the top. FIG. 28 shows a state in which the installation end portions 12e and 12e of the support rails 12 and 12 adjacent to each other in the left-right direction X are abutted against the receiving portion 25 fixed to the vertical beam 23 and fixed by the fixture 24. FIG. 26 is a schematic cross-sectional view taken along line H2-H2 of FIGS. 24 and 25.

  As shown in FIGS. 24 to 28, a through hole 23c through which the male screw S1 passes is provided at a position where the receiving portion 25 of the upper side plate 23b constituting the mounting inclined surface 23a of the vertical rail 23 is provided.

  The receiving portion 25 includes an installation plate 25a provided on the mounting inclined surface 23a of the vertical rail 23, and side plates 25b and 25b bent upward at both ends of the installation plate 25a in the vertical inclination direction W. Yes. The installation plate 25a is provided with a female screw hole 25e for screwing the screw portion S1a of the male screw S1. The through hole 23c of the vertical beam 23 is larger than the size of the female screw hole 25e of the receiving portion 25 screwed with the male screw S1, and smaller than the size of the head S1b of the male screw S1. According to this configuration, the receiving portion 25 is arranged on the upper side plate 23b of the vertical rail 23, and the male screw S1 passes through the through hole 23c from the lower side of the side plate 23b and is connected to the female screw hole 25e of the receiving portion 25. By being screwed together, it is securely fixed to the side plate 23b on the upper side of the vertical beam 23.

  More specifically, the bottom surface 25c (see FIGS. 25, 26 and 28) of the installation plate 25a allows the movement of the receiving portion 25 in the up-and-down inclination direction W, while the movement of the receiving portion 25 in the left-right direction X is allowed. A regulation rib 25d (see FIGS. 25, 26, and 28) for regulation is provided. The restricting ribs 25d are provided in the left-right direction X at an interval approximately equal to the width in the left-right direction X of the upper side plate 23b of the vertical rail 23. The female screw hole 25e is located between the regulating ribs 25d to 25d provided at intervals in the left-right direction X. According to this configuration, the receiving portion 25 is disposed on the upper side plate 23b of the vertical rail 23 and is restricted from moving in the left-right direction X by the restriction ribs 25d to 25d, and the male screw S1 is located below the side plate 23d. From the side plate 23d through the through hole 23c of the side plate 23d and screwed into the female screw hole 25e of the receiving portion 25, so that it is securely fixed to the upper side plate 23b of the vertical beam 23. Specifically, the regulation ribs 25d to 25d are also provided at intervals in the up and down inclination direction W. Here, the restriction ribs 25d to 25d are provided in a total of four places, two places in the left-right direction X and two places in the up-and-down inclination direction W. The female screw hole 25e is located at the center of the intersection of diagonal lines passing through the four regulating ribs 25d to 25d. By doing so, it is possible to easily align the through hole 23c in the side plate 23b on the upper side plate 23b of the vertical rail 23 and the female screw hole 25e in the installation plate 25a of the receiving portion 25, thereby improving the mounting workability. It becomes possible.

  As shown in FIGS. 27 and 28, the fixture 24 includes a bottom plate 24a, inclined plates 24b and 24b that are bent obliquely upward and outward at opposite two sides of the bottom plate 24a in the vertical inclination direction W, and inclined plates 24b. , 24b and side plates 24d, 24d bent downward at upper sides 24c, 24c. The fixture 24 having such a configuration can be formed by punching and bending a steel plate and plating the surface thereof. In the present embodiment, the lower ends 24e of the side plates 24d, 24d are formed in a number of triangular mountain shapes (triangular teeth) along the left-right direction X. By doing so, the installation end portions 12e and 12e of the support rails 12 and 12 can be securely held and fixed to the receiving portion 25.

  Further, the bottom plate 24a of the fixture 24 is provided with a through hole 24f through which the screw portion S1a of the male screw S1 passes. Further, two female screw holes 24g and 24g respectively screwed into the two male screws S2 and S2 at the symmetrical positions on both sides in the left-right direction X through the through holes 24f in the bottom plate 24a of the fixture 24 (see FIG. 27). Is provided.

  On the other hand, the receiving portion 25 has two through holes 25h and 25h through which the screw portions S2a and S2a of the two male screws S2 and S2 respectively screwed into the two female screw holes 24g and 24g provided in the fixture 24 are passed. (See FIG. 27) are provided at symmetrical positions on both sides in the left-right direction X via the female screw holes 25e. The two through holes 25h and 25h are larger than the sizes of the two female screw holes 24g and 24g, respectively, and smaller than the sizes of the heads S2b and S2b of the two male screws S2 and S2. According to this configuration, the fixture 24 is placed on the installation end portions 12e and 12e of the support rails 12 and 12 adjacent to each other in the left-right direction X, which is placed on and placed on the placement plate 25a of the receiving portion 25. In this state, the two male screws S2 and S2 pass through the two through holes 25h and 25h of the receiving part 25 and are screwed into the two female screw holes 24g and 24g of the fixture 24, respectively. The installation ends 12 e and 12 e of the support rails 12 and 12 adjacent in the left-right direction X can be reliably fixed to the receiving portion 25 by the fixed fixture 24.

  More specifically, the two female screw holes 24g and 24g have virtual centers passing through the center β parallel to the left-right direction X on both sides of the left-right direction X with the center between the centers β (see FIG. 27) of the through-hole 24f. It is located on a straight line γ (see FIG. 27). The distance between one female screw hole 24g and the center β of the through hole 24f and the distance between the other female screw hole 24g and the center β of the through hole 24f are the same distance.

  In this Embodiment, the some solar cell module main body 11 is connected in parallel, and the support rails 12 and 12 are adhere | attached through the adhesive agents 30-30 on the back surface of the some solar cell module main body 11-11. ing. This makes it possible to increase the size of the subunit 10 with a simple configuration.

  And in installing the subunits 10 to 10, the adjacent subunits 10 and 10 are arranged so as to be adjacent to each other with almost no gap between the installation plate 25a of the receiving portion 25 and the solar cell module main bodies 11 to 11. An operation for fixing the installation end portions 12e and 12e of the support rails 12 to 12 to the gantry 20 by the fixture 24 can be performed through a gap provided between the back surface and the back surface. Thereby, the subunits 10 and 10 can be reliably fixed in a state where the adjacent subunits 10 and 10 are arranged so as to be adjacent to each other with almost no gap. Therefore, it is possible to increase the power generation efficiency while reducing the space between the adjacent subunits 10 and 10. In addition, on the back side of each of the subunits 10 and 10, the strength of the fixture 24 and the gantry 20 can be maintained without particularly restricting the size of the fixture 24 and the gantry 20, and thereby The stable support structure and support strength of the units 10 to 10 can be ensured.

  In addition, the mounting which mounts the fixing tool 24 from the back side on the installation end parts 12e and 12e of each support rail 12 and 12 adjacent to the left-right direction X mounted and mounted on the mounting plate 25a of the receiving part 25. The work can be performed as follows.

  In other words, in the vicinity of the installation end 12e of the one support rail 12 placed on the receiving portion 25, an opening 12f (FIGS. 8 and 11) that is surrounded by the folded reinforcement portions 12c and 12c of the support rail 12 and opens downward. 27), the fixture 24 is inserted into the opening 12f by being inclined or rotated by 90 ° in a state along the longitudinal direction (left-right direction X) of the support rail 12, and the fixture 24 is inserted in the support rail 12. 24 is returned to its original posture, and then moved in the left-right direction X so as to be positioned on the receiving portion 25 and fixed to the screw portion S1a of the male screw S1 that is screwed into the female screw hole 25e of the receiving portion 25 and protrudes upward. By fitting the through holes 24f of the fixture 24 from above, the fixture 24 is placed on the receiving portion 25 (more precisely, the side plates 24d and 24d of the fixture 24 are placed on the installation ends 12e of the support rails 12 and 12). , 12 Folded reinforcing portion 12c of, it can be placed) on the inner surface of 12c.

  As a result, the positions of the two female screw holes 24g, 24g of the fixture 24 and the two through holes 25h, 25h of the receiving portion 25 substantially coincide with each other. The installation ends of the support rails 12, 12 are passed through the two through holes 25 h, 25 h of the receiving portion 25 and screwed into the two female screw holes 24 g, 24 g of the fixture 24, respectively. The portions 12e and 12e can be fixed to the receiving portion 25, that is, the vertical beam 23.

  Further, the fixing of the installation end 11d on the side (end position) where the subunit 10 does not exist next to the support rail 12 in the left-right direction X is fixed to the receiving portion 25 here. Only 11d is placed on the receiving portion 25 and the fixture 24 is attached.

  As described above, the photovoltaic power generation system A in which the plurality of subunits 10 are mounted and fixed on the gantry 20 can be constructed.

  It should be noted that the embodiment disclosed herein is illustrative in all respects and does not serve as a basis for limited interpretation. Therefore, the technical scope of the present invention is not interpreted only by the above-described embodiment, but is defined based on the description of the scope of claims. Moreover, all the changes within the meaning and range equivalent to a claim are included.

A Photovoltaic power generation system 10 Solar cell module (sub unit)
DESCRIPTION OF SYMBOLS 11 Solar cell module main body 11a Solar cell group 11b Light-receiving surface glass 11c Back glass 12, 13 Support rail (support member)
12a, 13a Main plate 12a1, 13a1 Upper surface (adhesion surface)
12a2, 13a2 Opposite surface 12b, 13b Side plate 12c, 13c Folding reinforcement 12d Confirmation hole 12d1 Inner peripheral surface 12d11 Peripheral edge 12e Installation end 12f Opening 13d Hole (Confirmation hole, Confirmation hole)
13d1 Inner peripheral surface 13d11 Peripheral edge portion 13d2 End portion 13e Installation end portion 20 Mounting base 21 Base 22 Arm member 23 Vertical beam 23a Mounting inclined surface 23c Through hole 25 Receiving portion 25a Mounting plate 25b Side plate 25c Bottom surface 25d Restriction rib 25e Female screw 30e Adhesive (adhesive member)
210 coating device 210a coating unit 210c moving unit 211 adhesive storage unit 211a storage tank 211b first tank 211c second tank 212 adhesive supply unit 213 adhesive discharge unit 213a nozzle 220 mounting device 222 mounting roller unit 222a mounting roller 222a1 Rotating shaft 222a2 Fitting groove 222b Support frame 222c Bearing 222b Support frame 230 Support member 231 Moving carriage 240 Holding member S1, S2 Male thread S1a, S2a Screw part S1b, S2b Head

Claims (14)

A solar cell module main body, an adhesive member, and a support member bonded and fixed by the adhesive member to the back surface of the solar cell module main body,
The solar cell module according to claim 1, wherein a hole penetrating from the adhesive surface to a surface opposite to the adhesive surface is provided in an adhesive surface of the support member by the adhesive member. The solar cell module according to claim 1,
A plurality of the support members are arranged in parallel at a predetermined interval,
A solar cell module, wherein a plurality of the solar cell module main bodies are juxtaposed and fixed to each support member in a state of being laid over the support members. The solar cell module according to claim 1 or 2, wherein
The solar cell module, wherein the adhesive member is applied to a part of the adhesive surface including the hole. The solar cell module according to claim 3, wherein
The said adhesion member is apply | coated to the inner side area | region except the peripheral part of the said adhesion surface, The solar cell module characterized by the above-mentioned. The solar cell module according to any one of claims 1 to 4, wherein
The solar cell module, wherein the adhesive member is provided so as to penetrate into the hole and cover at least an inner peripheral surface of the hole. The solar cell module according to claim 5, wherein
The said hole is formed in the long hole long in the width direction orthogonal to the longitudinal direction of the said elongate support member, The said adhesive member is not provided in the both ends of the width direction of the said long hole, It is characterized by the above-mentioned. Battery module. The solar cell module according to any one of claims 1 to 6, wherein
The said hole is provided in multiple places along the longitudinal direction of the said elongate support member, The solar cell module characterized by the above-mentioned. The solar cell module according to claim 7, wherein
The solar cell module, wherein the holes are provided at equal intervals over the entire length of the support member in the longitudinal direction. A solar cell module manufacturing method comprising: a solar cell module main body; a support member that supports the solar cell module main body; and an adhesive member that adheres and fixes the support member to the back surface of the solar cell module main body,
The adhesive surface of the support member by the adhesive member is provided with a hole penetrating from the adhesive surface to the surface opposite to the adhesive surface,
An application step of applying the adhesive member to any one of a part of an adhesive region for adhering the support member on the back surface side of the solar cell module body or a part of an adhesive region of the adhesive surface of the support member;
Bonding the bonding area of the back surface side of the solar cell module body and the bonding area of the support member, and a bonding step of bonding the solar cell module body and the support member,
In the bonding step, the adhesive member is infiltrated until the adhesive member enters the inside of the hole and covers at least the inner peripheral surface. A solar cell module main body; a support member that supports the solar cell module main body; and an adhesive member that adheres and fixes the support member to a back surface of the solar cell module main body, the support member having a predetermined interval. A plurality of the solar cell module bodies are arranged in parallel, and a plurality of the solar cell module main bodies are arranged side by side in a state of being laid over the respective support members, and are bonded and fixed to the respective support members. Because
The adhesive surface of each support member by the adhesive member is provided with a hole penetrating from the adhesive surface to a surface opposite to the adhesive surface,
An application step of applying the adhesive member to any one of a part of an adhesive region for adhering the support member on the back surface side of the solar cell module body or a part of an adhesive region of the adhesive surface of the support member;
Bonding the bonding region of the back surface side of the solar cell module body to the bonding region of the support member, and including a bonding step of bonding the support member and the solar cell module body,
In the bonding step, the adhesive member is infiltrated until the adhesive member enters the inside of the hole and covers at least the inner peripheral surface. It is a manufacturing method of the solar cell module according to claim 9 or 10,
The hole is formed in a long hole that is long in the width direction orthogonal to the longitudinal direction of the long support member,
In the bonding step, the adhesive member enters the hole until the adhesive member enters the inside of the hole and covers at least a part of the inner peripheral surface, and the adhesive hole is attached to both end portions in the width direction of the confirmation hole. A method for producing a solar cell module, wherein a member is not allowed to enter. A support structure for a solar cell module according to any one of claims 1 to 8,
A stand on which an end of the support member bonded to the solar cell module is placed;
A support structure for a solar cell module, comprising: a fixing portion that fixes the end to the mount. A support structure for a solar cell module that supports a plurality of the solar cell modules according to any one of claims 1 to 8 arranged side by side,
A stand on which the adjacent ends of the support members of the adjacent solar cell modules are placed; and
A supporting structure for a solar cell module, comprising: a fixing portion that fixes each of the adjacent end portions to the gantry.   A solar power generation system using the solar cell module support structure according to claim 12 or 13.

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