JP7619631B2 - Module support bracket, solar power generation equipment, and module installation method - Google Patents

Description

The present invention relates to a module support bracket that supports a solar cell module, a solar power generation facility that uses such a module support bracket, and a module installation method.

In light of growing interest in global environmental issues, solar power generation is attracting attention as it is expected to be effective in reducing greenhouse gas emissions. Various structures for installing solar cell modules in solar power generation facilities have been known for some time (see, for example, Patent Document 1).

JP 2008-244219 A

Examples of locations where the above-mentioned solar cell modules can be installed include roofs of buildings. However, roofs of such locations are often sloped or located at high altitudes, making installation of solar cell modules difficult.

Therefore, the present invention aims to address the above-mentioned issues and provide a module support bracket, a photovoltaic power generation facility, and a module construction method that can easily install solar cell modules.

In order to solve the above problems, the module support bracket of the present invention is a module support bracket capable of supporting solar cell modules, each having a flat module body and a metal frame that holds the outer periphery of the module body , in a state in which two modules are arranged with a module gap between them at a specified installation location, the metal frame having a connecting portion that is connected to the outer periphery of the module body, a side plate portion that extends from the connecting portion to a back surface of the module body opposite the light-receiving surface in a direction intersecting the module body, and a back plate portion that extends from an edge of the side plate portion opposite to the connecting portion along the back surface to a center of the module body, and a mounting side bracket that is attached to the installation location and a frame side bracket that is arranged with an insertion gap through which the metal frame can be inserted so as to sandwich the metal frame between the mounting side bracket and the mounting side bracket. and a fixing member that fixes the frame side fitting to the installation side fitting, wherein the installation side fitting comprises a back plate mounting portion on which the back plate portion of the metal frame is placed, and a contact protrusion that protrudes from the back plate mounting portion so as to abut against the inner edge of the back plate portion opposite the side plate portion, and the frame side fitting comprises a clamping portion that is formed in a flat plate shape that is wider than the module gap and is capable of clamping the metal frames of two solar cell modules between it and the back plate mounting portion, and a regulating protrusion that protrudes from an intersecting edge of the clamping portion that intersects with the boundary between the connecting portion and the side plate portion toward the back plate mounting portion by a protruding length corresponding to the insertion gap, and whose orthogonal cross section with respect to the protruding direction is formed in an L-shape, restricting the gap between the clamping portion and the back plate mounting portion to the insertion gap and clamping the metal frame between the abutting protrusion.

In order to solve the above problems, the solar power generation facility of the present invention is characterized by comprising a solar cell module having a flat module body and a metal frame that holds the outer periphery of the module body, and the above-mentioned module support bracket that supports the solar cell module at a specified installation location.

In addition, in order to solve the above-mentioned problems, a first module installation method of the present invention is a module installation method for installing a solar cell module having a flat module body and a metal frame that holds an outer periphery of the module body at the installation location using at least one pair of module support brackets described above, and is characterized in that it includes a first bracket installation step of installing a first bracket of the pair of module support brackets in a completed state in which the frame side bracket is fixed to the installation side bracket via the fixing member at a first installation position of at least a pair of bracket installation positions that sandwich the solar cell module therebetween at the installation location, a module placement step of inserting the metal frame into the insertion gap in the first bracket installed at the first installation position so that the inner edge abuts the abutment protrusion, thereby placing the solar cell module at the installation location, and a second bracket installation step of installing a second bracket of the pair of module support brackets in a completed state in which the frame side bracket is fixed to the installation side bracket via the fixing member at a second installation position of the pair of bracket installation positions so that the metal frame is sandwiched between the second bracket and the installation side bracket.

In order to solve the above-mentioned problems, a second module installation method of the present invention is a module installation method for installing a solar cell module having a flat module body and a metal frame that holds an outer periphery of the module body at an installation location using at least one pair of module support brackets described above, the method including a first bracket temporary assembly step of installing a first bracket of the pair of module support brackets at a first installation position out of at least a pair of bracket installation positions that sandwich the solar cell module at the installation location in a temporary assembled state in which the frame side bracket is temporarily assembled to the installation side bracket via the fixing member; The method is characterized by comprising: a module placement process for placing the solar cell module at the installation location by inserting the metal frame into the insertion gap in the fitting so that the inner edge abuts the abutment protrusion; a second fitting temporary assembly process for installing a second fitting of the pair of module support fittings in a temporary assembled state in which the frame side fitting is temporarily assembled to the installation side fitting via the fixing member at a second installation position of the pair of fitting installation positions so that the metal frame is sandwiched between the second fitting and the installation side fitting; and a final assembly process for finally assembling the frame side fitting of each of the pair of module support fittings in the temporary assembled state to the installation side fitting via the fixing member.

According to the module support fitting of the present invention, the gap between the clamping portion of the frame side fitting and the back plate mounting portion of the installation side fitting is restricted to the insertion gap required for inserting the metal frame, even if the metal frame of the solar cell module is not placed between them, by the restricting protrusions provided on the frame side fitting. This makes it possible to install some module support fittings in advance before arranging the solar cell module, with the worker having ample work space, and then insert the metal frame of the solar cell module into the insertion gap to install it. In addition, the metal frame is sandwiched between the abutment protrusions of the installation side fitting that abut against the inner edge of the back plate and the restricting protrusions of the frame side fitting, simply by inserting the metal frame into the insertion gap, so that the positioning of the metal frame, that is, the solar cell module, can be completed. In this way, the above module support fittings make it easy to install the solar cell module with good workability. In addition, in all of the solar power generation facility of the present invention, the first module installation method, and the second module installation method, the module support fittings of the present invention are used, so that the solar cell module can be easily installed.

1 is a diagram showing a solar power generation facility according to a first embodiment. FIG. 2 is an enlarged view of the module support bracket and the base member shown in FIG. 1 , showing an area AR11 in FIG. 1 . 3 is a plan view of the module support bracket and the base member shown in FIG. 1, as viewed from the direction of arrow V11 in FIG. 2. 4 is a three-view diagram showing the module support bracket and the base member shown in FIGS. 1 to 3. FIG. 5 is a three-view diagram showing the installation side fitting shown in FIG. 4. FIG. 5 is a three-view diagram showing the frame side fitting shown in FIG. 4. FIG. 13 is a schematic diagram showing how a module support bracket is formed by attaching an installation bracket and a frame bracket to a base member and fixing them with fixing members. FIG. 13 is a diagram showing an anti-rotation jig that prevents the frame side metal fitting from rotating when fastened with a fastening nut. FIG. 9 is a schematic diagram showing steps S111 to S113 in a module installation method for installing the solar power generation facility shown in FIG. 1 using the module support bracket shown in FIGS. 1 to 8. FIG. 5 is a schematic diagram showing steps S114 to S116 in the module installation method. FIG. FIG. 11 is a side view showing a solar power generation facility according to a second embodiment. 12 is a schematic diagram showing steps S211 to S213 in the module construction method for the slate roof shown in FIG. 11. 11 is a schematic diagram showing steps S214 to S216 in the module installation method. 10 is a three-view diagram similar to FIG. 4 , illustrating a module support bracket and a base member according to a third embodiment. 10 is a three-view diagram similar to FIG. 4 , illustrating a module support bracket and a base member according to a fourth embodiment. 16 is a three-view diagram showing the installation metal fitting and the base member shown in FIG. 15. FIG. FIG. 13 is a plan view similar to FIG. 3 , illustrating a module support bracket and a base member according to a sixth embodiment. 18 is a three-view diagram showing the module support bracket and the base member shown in FIG. 17 together with the anti-rotation jig. FIG. 19 is a three-view diagram showing the installation metal fitting shown in FIGS. 17 and 18 . FIG. 19 is a three-view diagram showing the frame side fitting shown in FIGS. 17 and 18 . 19 is a schematic diagram showing how the installation side metal fitting and the frame side metal fitting shown in FIG. 17 and FIG. 18 are attached to a base member and fixed with fixing members to form a module support metal fitting. FIG. FIG. 13 is a top view similar to FIG. 1 showing a solar power generation facility according to a seventh embodiment. 23A to 23C are three-view diagrams showing the rear surface support member shown typically in FIG. 22. 24 is a perspective view showing the cushioning member and the fixing bracket shown in FIG. 23. FIG. 23 is a diagram showing the solar power generation system in the eighth embodiment, focusing on the back support member. FIG. 13 is a diagram showing a solar power generation facility according to a ninth embodiment. 27A and 27B are side and rear views of the rear support member shown in FIG. 26. FIG. 23 is a diagram showing a solar power generation facility according to a tenth embodiment. 29 is a three-view diagram showing the rear surface support member shown in FIG. 28.

One embodiment of the module support bracket, solar power generation equipment, and module installation method of the present invention will be described below with reference to the drawings. First, the first embodiment will be described.

Figure 1 is a diagram showing a solar power generation facility according to the first embodiment.

The solar power generation facility 1 of this embodiment is an array structure facility in which two solar cell modules 10 are arranged next to each other. The solar cell module 10 is a power generation module having a rectangular flat module body 11 and a metal frame 12 that holds the outer periphery of the module body 11. The solar power generation facility 1 is installed on a folded-plate roof A11, which is a type of inclined roof. The two solar cell modules 10 are installed on top of this folded-plate roof A11 using six module support brackets 100 and six foundation members 150.

In this solar power generation facility 1, two solar cell modules 10 each having a rectangular shape in plan view are arranged along the inclination direction D11 so that the short sides of each solar cell module 10 are aligned with the inclination direction D11 of the folded-plate roof A11 and the long sides are adjacent to each other. These two solar cell modules 10 are supported on the folded-plate roof A11 by the module support bracket 100 via the foundation member 150. One long side of the solar cell module 10 is supported by two module support brackets 100 and the foundation member 150. Specifically, in the inclination direction D11, one long side of each of the eaves side end and the ridge side end is supported by two module support brackets 100 and the foundation member 150. In addition, two adjacent long sides are supported together by the two module support brackets 100 and the foundation member 150.

Figure 2 is an enlarged view of the module support bracket and base member shown in Figure 1, taken from area AR11 in Figure 1. Figure 3 is a plan view of the module support bracket and base member shown in Figure 1, taken from the direction of arrow V11 in Figure 2.

In the solar power generation facility 1 of this embodiment, a base member 150 is fixed to the trapezoidal apex A111 of the folded-plate roof A11 that is folded so that the cross section perpendicular to the inclination direction D11 is approximately trapezoidal, and the module support bracket 100 is attached to this base member 150. The base member 150 is a rail member formed into a square tube shape with a groove slit 152 in the rail groove 151 opened on one side by sheet metal processing that bends a metal plate. The base member 150 is adhesively fixed to the trapezoidal apex A111 of the folded-plate roof A11 via an adhesive sheet 153 so that the rail groove 151 extends along the inclination direction D11 of the folded-plate roof A11. The module support bracket 100 is attached so as to fit into the rail groove 151 of this base member 150.

The module support bracket 100 comprises an installation bracket 110, a frame bracket 120, and a fixing member 130. The installation bracket 110 is a processed sheet metal bracket that is attached to the trapezoidal top A111 of the folded-plate roof A11, which is the installation location, via the above-mentioned foundation member 150. The frame bracket 120 is a processed sheet metal bracket that is arranged with an insertion gap T11 for inserting the metal frame 12 of the solar cell module 10 so that the metal frame 12 is sandwiched between the installation bracket 110 and the frame bracket 120. The fixing member 130 is a member that fixes the frame bracket 120 to the installation bracket 110, and comprises a fixing bolt 131 and a fastening nut 132.

Before further explanation of the module support bracket 100 and the foundation member 150, the configuration of the metal frame 12 of the solar cell module 10 will be described. The metal frame 12 is a rectangular frame-like frame that holds the outer periphery of the module body 11, which is a rectangular flat plate. The metal frame 12 has a connecting portion 12a, a side plate portion 12b, and a back plate portion 12c. The connecting portion 12a is a portion that is connected to the outer periphery of the module body 11. The side plate portion 12b is a portion that extends at a right angle from the connecting portion 12a to the back surface 11b of the module body 11, which is opposite the light receiving surface 11a, in a direction intersecting the module body 11. The back plate portion 12c is a portion that extends at a right angle from the edge of the side plate portion 12b opposite the connecting portion 12a along the back surface 11b of the module body 11 to the center of the module body 11.

The metal frame 12 of such a solar cell module 10 is supported by a module support bracket 100 attached to a foundation member 150 on the folded-plate roof A11.

Figure 4 is a three-view diagram showing the module support fittings and foundation members shown in Figures 1 to 3. Also, Figure 5 is a three-view diagram showing the installation side fittings shown in Figure 4, and Figure 6 is a three-view diagram showing the frame side fittings shown in Figure 4.

As described above, the module support bracket 100 attached to the foundation member 150 includes the installation bracket 110, the frame bracket 120, and the fixing member 130. The installation bracket 110 is a member attached to the foundation member 150, and includes a back plate mounting portion 111 and abutment protrusions 112.

The back plate mounting portion 111 is inserted into the rail groove 151 of the base member 150 through one end opening 151a of the rail groove 151. A portion of the rail groove 151 is exposed from the groove slit 152 in the depth direction, and the back plate portion 12c of the metal frame 12 is placed on the exposed portion. The back plate mounting portion 111 has a central protrusion portion 111a, a pair of side ends 111b, and a pair of abutting ends 111c. The central protrusion portion 111a is a portion formed into a protrusion by a rectangular band-shaped portion and side wall portions folded down at right angles from a pair of long sides. The pair of side ends 111b are portions extending to the left and right from the respective lower end edges of the pair of side wall portions of the central protrusion portion 111a, and are supported from the groove bottom 151b side by the support protrusions 154 described later inside the rail groove 151 of the base member 150. The pair of abutment ends 111c are formed by folding a central portion of a predetermined length at the edge of each of the pair of side ends 111b at a right angle, and abut against a stopper protrusion 155 described below inside the rail groove 151 of the base member 150. In addition, at both longitudinal ends of the central protrusion portion 111a, a contact surface portion 111d is provided, which has a flat top and bulges out like a plateau and contacts the back plate portion 12c of the metal frame 12, along with the abutment protrusion 112 described below. The back plate portion 12c is placed on the contact surface portion 111d of the installation side metal fitting 110 attached to the base member 150 and on the upper surface portion of the base member 150 located on both sides of the contact surface portion 111d in the width direction.

The abutment protrusions 112 are portions that protrude from the back plate mounting portion 111 so as to abut against the inner edge 12c-1 of the back plate 12c on the opposite side to the side plate 12b as shown in Figures 2 and 3 when the back plate 12c is mounted as described above. In this embodiment, a pair of abutment protrusions 112 are formed at both longitudinal ends of the central protrusion portion 111a of the mounting metal fitting 110, bulging out in a plateau shape together with the above-mentioned contact surface portion 111d. Each abutment protrusion 112 is formed to be higher than the contact surface portion 111d, and is configured to abut against the inner edge 12c-1 of the back plate 12c mounted on the contact surface portion 111d.

The frame side metal fitting 120, which constitutes the module support metal fitting 100 together with the installation side metal fitting 110 described above, has a clamping portion 121 and a regulating protrusion 122. The clamping portion 121 is a portion that clamps the metal frame 12 between the clamping portion 121 and the back plate mounting portion 111. The regulating protrusion 122 protrudes from the clamping portion 121 toward the back plate mounting portion 111 with a protrusion length L11 corresponding to the above-mentioned insertion gap T11, and is a portion that regulates the gap between the clamping portion 121 and the back plate mounting portion 111 to the insertion gap T11. Furthermore, as shown in FIG. 3, the regulating protrusion 122 clamps the metal frame 12 between the abutting protrusion 112 of the installation side metal fitting 110. The orthogonal cross section of the clamping portion 121 with respect to the protruding direction D12 from the clamping portion 121 is formed in an L-shape, and a pair of the regulating protrusions 122 are formed so as to be line-symmetrical about the center of the clamping portion 121 in a plan view.

The frame side metal fitting 120 is a sheet metal processed part in which the clamping portion 121 and the restricting protrusions 122 are integrally formed by bending. The clamping portion 121 is formed in a substantially rectangular plate shape, and is folded down from a pair of opposing side edges in the protruding direction D12, and is further folded at a substantially right angle toward the center of the clamping portion 121 at a crease along the protruding direction D12 to form a pair of restricting protrusions 122 with an L-shaped cross section. In addition, the clamping portion 121 has a visor portion 123 at one end that is folded up so as to move away from the back plate mounting portion 111.

The fixing member 130 includes the fixing bolt 131 and the fastening nut 132 as described above. The fixing bolt 131 is arranged so that the bolt head 131a is in sliding contact with the back surface of the back plate mounting portion 111 of the installation side metal fitting 110 opposite the mounting side of the back plate portion 12c. The fixing bolt 131 is erected on the back plate mounting portion 111 in a non-rotating state so that the bolt portion 131b passes through the back plate mounting portion 111 and the clamping portion 121, avoiding the insertion area of the metal frame 12 into the insertion gap T11.

In the clamping portion 121 of the frame side metal fitting 120, a through hole 124 for the bolt portion 131b is formed in the approximate center. On the other hand, in the back plate mounting portion 111 of the installation side metal fitting 110, a through hole 111e through which the bolt portion 131b passes is formed in the approximate center of the central protrusion portion 111a. Furthermore, this through hole 111e is provided with anti-rotation protrusions 111f protruding inward at four circumferential positions on the inside of the through hole 111e so that the inserted bolt portion 131b is prevented from rotating. These four anti-rotation protrusions 111f are formed by punch processing after the bolt portion 131b is inserted. Note that the anti-rotation protrusions provided in the through hole of the bolt portion only need to be provided in at least one position in the circumferential direction, and the number of positions is not limited to four. In other words, the number of anti-rotation protrusions may be set appropriately, such as one to three positions, or five or more positions, unlike the present embodiment.

In this embodiment, the fixing bolt 131 has a hexagonal columnar bolt head 131a. The back surface of the back plate mounting portion 111 is provided with a head anti-rotation protrusion 111g that protrudes so as to abut against the side surface of the bolt head 131a to prevent the bolt head 131a from rotating. Unlike the above-mentioned four anti-rotation protrusions 111f, this head anti-rotation protrusion 111g is machined in advance together with the through hole 111e, etc., before the fixing bolt 131 is attached. In addition, the bolt head is not limited to a hexagonal columnar shape, and its shape may be other polygonal columnar shapes such as a square columnar shape or an octagonal columnar shape, unlike this embodiment. As for the head anti-rotation protrusion, as long as it abuts against the side surface of the polygonal column to prevent the bolt head from rotating, the number of the head anti-rotation protrusions can be set appropriately, such as one, three or more.

Furthermore, the contact surfaces 111d at both ends of the back plate mounting portion 111 are provided with pressing protrusions 111h that protrude so as to push up the back plate portion 12c mounted on the back plate mounting portion 111 and press the metal frame 12 against the clamping portion 121 of the frame side metal fitting 120. In this embodiment, the pressing protrusions 111h are formed as the peripheral walls of the edges of the through holes that are opened by burring from the back side.

Then, the installation side bracket 110 and the frame side bracket 120 are attached to the base member 150 as follows, and fixed with the fixing member 130 to form the module support bracket 100.

Figure 7 is a schematic diagram showing how the installation bracket and frame bracket are attached to the base member and fixed with the fixing member to form the module support bracket.

When the module support bracket 100 is constructed, the back plate mounting portion 111 of the installation bracket 110 is first inserted into the rail groove 151 from one end opening 151a of the base member 150, which is a rail member, in the insertion direction D13 shown by the arrow in the figure. At this time, three support protrusions 154 and one stopper protrusion 155 are provided on each of a pair of opposing inner surfaces of the rail groove 151. The three support protrusions 154 are formed by protruding inward and arranged in three in the insertion direction D13 as shown in FIG. 4. These three support protrusions 154 support a pair of side ends 111b of the back plate mounting portion 111 from the groove bottom 151b side in a shelf-like manner so as to restrict the movement of the back plate mounting portion 111 inserted from the one end opening 151a toward the groove bottom 151b side. In this support position, the abutment protrusion 112 and the contact surface portion 111d are in a state of being sunk inside the rail groove 151. One stopper protrusion 155 is formed to protrude inward as shown in FIG. 4 at a position that is lower than the support protrusion 154 in the inclination direction D11 when the foundation member 150 is fixed on the folded plate roof A11, which is a sloped roof. This stopper protrusion 155 abuts against a pair of abutment ends 111c of the back plate mounting portion 111 from the lower side so as to restrict the sliding movement of the back plate mounting portion 111 to the lower side in the inclination direction D11.

When the back plate mounting portion 111 is inserted and fitted into the rail groove 151 in this manner, the frame side metal fitting 120 is then attached so that the bolt portion 131b of the fixing bolt 131 protruding from the groove slit 152 passes through the through hole 124 (see FIG. 6) of the clamping portion 121. The fastening nut 132 is then screwed onto the bolt portion 131b to fasten and fix the frame side metal fitting 120 to the installation side metal fitting 110. At this time, the tip of the restricting projection 122 protruding from the clamping portion 121 abuts against the upper surfaces of the upper walls 156 on both sides of the groove slit 152 of the foundation member 150, which is the abutting object, thereby restricting the gap between the clamping portion 121 and the back plate mounting portion 111 to the above-mentioned insertion gap T11. At this time, the back plate mounting portion 111 is pulled up by the screwing of the fastening nut 132 until the upper end edges 111c-1 of the pair of abutting ends 111c abut the back surface of the upper wall 156 of the base member 150. When the upper end edges 111c-1 of the abutting ends 111c abut the back surface of the upper wall 156, the abutting protrusions 112 and the contact surface portion 111d protrude from the groove slits 152, and can abut against the back plate portion 12c of the metal frame 12 of the solar cell module 10 and its inner end edge 12c-1.

In this embodiment, a rotation prevention jig, as described below, is used to prevent the frame side metal fitting 120 from rotating around the bolt shaft 131c of the fixing bolt 131 when fastening with the fastening nut 132.

Figure 8 shows a rotation prevention jig that prevents the frame side metal fitting from rotating when fastening with the fastening nut.

As shown in FIG. 8, the anti-rotation jig 140 is a jig member that is pressed against a pair of restricting protrusions 122 on the frame side metal fitting 120 when the fastening nut 132 is fastened, thereby preventing the frame side metal fitting 120 from rotating. The anti-rotation jig 140 is a sheet metal processed member that is bent into a C-shaped cross section, and is placed over the base member 150 so that it is pressed against the pair of restricting protrusions 122. The fastening nut 132 is fastened in this state, but the anti-rotation jig 140 has an interference-preventing through hole 141 formed so that it does not interfere with the abutment protrusions 112 and contact surface portion 111d that protrude from the groove slit 152 of the rail groove 151 when pulled up during fastening.

Next, we will explain the module installation method using the module support bracket 100 of this embodiment.

Figure 9 is a schematic diagram showing steps S111 to S113 in a module installation method for installing the solar power generation facility shown in Figure 1 using the module support brackets shown in Figures 1 to 8. Also, Figure 10 is a schematic diagram showing steps S114 to S116 in the module installation method. Note that in Figures 9 and 10, the folded-plate roof A11, which is the installation location, is omitted from the illustration.

In step S111 of the module construction method, the module support bracket 100 is attached to each of the two foundation members 150 fixed to the lowest eaves side of the six points on the folded plate roof A11 shown in FIG. 1. In this attachment, first, the back plate mounting portion 111 of the installation side bracket 110 of each module support bracket 100 is inserted and fitted in the rail groove 151 of each foundation member 150 in the insertion direction D13. This insertion and fitting is performed until the back plate mounting portion 111 is supported by the support protrusion 154 and abuts against the stopper protrusion 155. After that, the bolt portion 131b of the fixing bolt 131 of the fixing member 130 penetrates the clamping portion 121, and the frame side bracket 120 is attached in the installation direction D14 so that the regulating protrusion 122 abuts against the upper wall 156 of the foundation member 150. Furthermore, the fastening nut 132 is lightly screwed into the bolt portion 131b in a state before torque tightening.

In the next step S112, the fastening nuts 132 of each module support bracket 100 are torque-tightened in sequence, with the anti-rotation jig 140 placed over the foundation member 150 so that it abuts against the regulating protrusion 122. The abutment of the anti-rotation jig 140 stops the rotation of the frame side bracket 120 during torque tightening, and the frame side bracket 120 is fastened and fixed to the installation side bracket 110. At this time, the module support bracket 100 is attached to the adjacent foundation member 150 on the ridge side.

Steps S111 and S112 up to this point constitute the first metal fitting installation process as follows. First, as shown in FIG. 1, the module installation method in this embodiment is a module installation method in which the solar cell module 10 is installed on the folded plate roof A11 using two pairs of module support metal fittings 100 for each solar cell module 10. Then, the module support metal fittings 100 of each pair are installed at the first installation position on the eaves side of the two pairs of metal fitting installation positions that sandwich the solar cell module 10. In addition, in this process, a rotation prevention jig 140 is used to prevent the frame side metal fitting 120 from rotating, and the module support metal fitting 100 is installed in a completed state in which the frame side metal fitting 120 is fixed to the installation side metal fitting 110.

Step S113, which follows the first metal fitting installation process of steps S111 and S112, is a module placement process in which one of the two solar cell modules 10 on the eaves side is placed. In this step S113, the metal frame 12 is inserted into the insertion gap T11 of the module support fitting 100, which is the first metal fitting, so that the inner edge 12c-1 abuts against the abutment protrusion 112, and the solar cell module 10 is placed. Also, at this time, the ridge side end of the solar cell module 10 is placed on the foundation member 150 on the ridge side to which the module support fitting 100 is not attached. To explain the work of this step S113 in more detail, the worker first slightly lifts the ridge side end to hold the solar cell module 10 at an angle. Then, while maintaining the diagonal state, the worker inserts the eaves side of the metal frame 12 into the insertion gap T11 until it abuts against the restricting protrusion 122. This oblique insertion allows the eaves side of the metal frame 12 to be inserted into the insertion gap T11 so as not to interfere with the pressing protrusions 111h and the abutment protrusions 112 of the installation side metal fitting 110. After this oblique insertion, the worker lowers the ridge side end of the solar cell module 10 that was being held up onto the ridge side foundation member 150. This ridge side descent causes the inner edge 12c-1 on the ridge side of the metal frame 12 to abut against the abutment protrusions 112 and to be unable to come out even if pulled toward the ridge side, and the pressing protrusions 111h push the ridge side of the metal frame 12 upward and press it against the clamping portion 121 of the frame side metal fitting 120.

Following the module placement process of step S113, steps S114 and S115 are executed to perform a second fitting installation process in which the module support fitting 100 is installed on the foundation member 150 on the ridge side. First, in step S114, the installation side fitting 110 is attached to each of the two foundation members 150 on the ridge side so as to be adjacent to the ridge side of the metal frame 12 of the solar cell module 10. The installation side fitting 110 is attached by inserting and fitting the back plate mounting portion 111 into the rail groove 151 of the foundation member 150 in the insertion direction D13. In step S115, the frame side fitting 120 is attached in the installation direction D14 so that the clamping portion 121 is penetrated by the bolt portion 131b of the fixing bolt 131 and the regulating protrusion 122 abuts against the foundation member 150. Then, the fastening nut 132 is screwed in, and the fastening nut 132 is torque-tightened in a state in which the frame side fitting 120 is prevented from rotating by the anti-rotation jig 140. This torque tightening fixes the frame side bracket 120 to the installation side bracket 110. Through steps S114 and S115 described above, the ridge side module support bracket 100 (second bracket) is installed in a completed state at the second installation position on the ridge side of the two pairs of bracket installation positions that sandwich the solar cell module 10.

In the next step S116, the ridge-side module support bracket 100 that supports the eaves-side solar cell module 10 installed in steps S114 and S115 is used as the eaves-side module support bracket 100 that supports the ridge-side solar cell module 10. That is, the metal frame 12 of the ridge-side solar cell module 10 is inserted into the insertion gap T11 between the installation side bracket 110 and the frame side bracket 120 in this module support bracket 100. This insertion is performed in the same way as in step 113 described above, so that the inner edge 12c-1 abuts against the abutment protrusion 112. After this, although not shown in the figure, the same work as in steps 114 and S115 is repeated to install the ridge-side module support bracket 100 that supports the ridge-side solar cell module 10. With the installation of this ridge-side module support bracket 100, the solar power generation facility 1 shown in FIG. 1 is completed.

The module support bracket 100, the photovoltaic power generation facility 1, and the module installation method of the first embodiment described above can provide the following effects. That is, the gap between the clamping portion 121 and the back plate mounting portion 111 of the installation side bracket 110 is restricted to the insertion gap T11 required for inserting the metal frame 12 of the solar cell module 10 by the restricting protrusion 122 of the frame side bracket 120, even if the metal frame 12 of the solar cell module 10 is not placed between them. As a result, the two module support brackets 100 on the eaves side can be installed in advance before the solar cell module 10 is placed, with sufficient work space for the worker, and then the metal frame 12 of the solar cell module 10 can be inserted into the insertion gap T11 for installation. In addition, when the metal frame 12 is inserted into the insertion gap T11, the metal frame 12 is sandwiched between the abutment protrusion 112 of the installation side bracket 110, which abuts against the inner edge 12c-1 of the back plate portion 12c, and the restricting protrusion 122 of the frame side bracket 120. This allows the positioning of the metal frame 12, and therefore the solar cell module 10, to be completed by the simple task of inserting the metal frame 12. In this way, the module support bracket 100 described above allows the solar cell module 10 to be easily installed with good workability.

In addition, according to this embodiment, when the replacement of the solar cell module 10 becomes necessary during maintenance after the construction of the solar power generation facility 1, the module replacement can be easily performed with good workability as follows. That is, in this embodiment, the solar cell module 10 can be removed by simply removing the frame side bracket 120 of the module support bracket 100 on the ridge side of the solar cell module 10 to be replaced, lifting the ridge side of the solar cell module 10 to be replaced and pulling it out diagonally upward. Then, a new solar cell module 10 is inserted diagonally by lifting the ridge side into the space opened by the removal, and the eaves side is lowered, and the frame side bracket 120 removed during the above-mentioned removal is reattached to complete the replacement work. In this way, according to this embodiment, the module replacement can be easily performed with good workability that does not require moving other solar cell modules 10 other than the one to be replaced.

In this embodiment, the back plate mounting portion 111 is provided with a pressing protrusion 111h that protrudes so as to push up the back plate portion 12c mounted on the back plate mounting portion 111 and presses the metal frame 12 against the clamping portion 121. With this configuration, the metal frame 12 inserted into the insertion gap T11 is pressed against the clamping portion 121 by the pressing protrusion 111h, thereby improving the support strength of the module support bracket 100.

In this embodiment, the fixing member 130 includes a fixing bolt 131 and a fastening nut 132. The bolt head 131a of the fixing bolt 131 has a polygonal columnar shape, and the back surface of the back plate mounting portion 111 is provided with a head rotation prevention protrusion 111g that prevents the bolt head 131a from rotating. According to this configuration, first, by adopting the fixing member 130 that includes the fixing bolt 131 and the fastening nut 132, which are parts with good workability, the workability of the fixing work of the frame side metal fitting 120 to the installation side metal fitting 110 can be improved. In addition, the head rotation prevention protrusion 111g that abuts against the side of the polygonal columnar bolt head 131a can stop unintended rotation around the axis of the fixing bolt 131 during the fastening work with the fastening nut 132, so the workability of the fixing work can be further improved.

In addition, in this embodiment, the back plate mounting portion 111 is formed with a through hole 111e through which the bolt portion 131b passes. The through hole 111e is provided with anti-rotation protrusions 111f protruding inward at four circumferential positions on the inside of the through hole 111e so that the inserted bolt portion 131b is prevented from rotating. With this configuration, the anti-rotation protrusions 111f provided at four positions on the inside of the through hole 111e can prevent unintended rotation around the axis of the fixing bolt 131 during the fastening operation, thereby further improving the workability of the fixing operation.

In addition, in this embodiment, the clamping portion 121 has an eave portion 123 formed at one end thereof, which is folded up away from the back plate mounting portion 111. With this configuration, the side of the clamping portion 121 on which the eave portion 123 is provided is the insertion side of the metal frame 12, and the insertion opening has a wide opening shape that makes it easy to insert, thereby improving the workability of installing the metal frame 12, i.e., the solar cell module 10.

The restricting protrusion 122 is an L-shaped section perpendicular to the direction of protrusion from the clamping portion 121. With this configuration, it is possible to improve the strength of the restricting protrusion 122 while suppressing an increase in the weight of the frame side metal fitting 120, compared to, for example, forming the restricting protrusion 122 into a cylindrical, rectangular, pipe-like shape, etc.

In addition, in this embodiment, the frame side metal fitting 120 is formed with a pair of restricting protrusions 122. This configuration can improve the maintenance strength of the insertion gap T11 between the frame side metal fitting 120 and the installation side metal fitting 110, which is restricted by the pair of restricting protrusions 122.

In addition, in this embodiment, the installation fitting 110 is attached to the folded-plate roof A11 via a foundation member 150 that is fixed to the installation location, that is, the folded-plate roof A11. With this configuration, by preparing a foundation member that is suitable for the shape and condition of the installation location, the installation fitting 110, i.e., the module support fitting 100, can be commonly attached to a variety of installation locations. This improves the versatility of the module support fitting 100.

In this embodiment, the base member 150 is provided with a rail groove 151 into which the back plate mounting portion 111 of the installation side fitting 110 is inserted from one end opening 151a, and the rail groove 151 is fixed so as to extend along the inclination direction D11 of the folded plate roof A11. In addition, a pair of opposing inner surfaces of the rail groove 151 are provided with a support protrusion 154 and a stopper protrusion 155. The support protrusion 154 is a portion that protrudes inward and supports the back plate mounting portion 111 from the groove bottom 151b side in a shelf-like manner so as to restrict the movement of the back plate mounting portion 111 inserted from the one end opening 151a toward the groove bottom 151b side. The stopper protrusion 155 is a portion that protrudes inward and abuts against the back plate mounting portion 111 from the lower side so as to restrict the sliding movement of the back plate mounting portion 111 to a further lower side at a position lower than the support protrusion 154 in the inclination direction D11. The back plate mounting portion 111 is provided with a pair of side end portions 111b supported by the support protrusion 154 inside the rail groove 151, and a pair of abutting end portions 111c abutting against the stopper protrusion 155. According to this configuration, the back plate mounting portion 111 can be inserted into the rail groove 151 of the base member 150 by sliding in a manner that effectively prevents the back plate mounting portion 111 from dropping toward the groove bottom 151b side, since the pair of side end portions 111b are supported by the support protrusion 154. Furthermore, by the pair of abutment ends 111c abutting against the stopper protrusions 155, it is possible to effectively prevent the back plate mounting portion 111 from sliding in the inclined direction D11 and falling off the base member 150.

In addition, the above-mentioned module support bracket 100 is used to support the solar cell module 10 in the solar power generation facility 1 of this embodiment shown in Figure 1, so the solar cell module 10 can be easily installed with good workability.

In addition, according to the module installation method of this embodiment described with reference to Figures 9 and 10, the above-mentioned module support bracket 100 is used to support the solar cell module 10 at the installation location. Therefore, according to the module installation method of this embodiment, the solar cell module 10 can be easily installed with good workability.

By repeating this module installation method, multiple solar cell modules 10 (two in this embodiment) can be arranged with good workability as follows. That is, one of the pair of module support brackets 100 supporting the solar cell module 10 can be regarded as the first bracket installed in a completed state to support the second solar cell module 10 to be placed next to it. In other words, the state in which the installation of the first solar cell module 10 is completed can be regarded as the state in which the first bracket installation process in the installation of the second solar cell module 10 is completed. Therefore, by performing the above module placement process and second bracket installation process in succession, the second solar cell module 10 can be installed in the same way as the first solar cell module 10. In this way, multiple solar cell modules 10 can be arranged by repeating the module installation method while regarding the module support bracket 100 of the installed solar cell module 10 as the first bracket for the next solar cell module 10.

In this embodiment, in the first fitting installation process (steps S11 and S12) and the second fitting installation process (steps S14 and S14), the frame side fitting 120 is fixed while preventing rotation of the frame side fitting 120 using the anti-rotation jig 140. According to this configuration, the frame side fitting 120 is fixed to the installation side fitting 110 while preventing rotation of the frame side fitting 120 using the anti-rotation jig 140, thereby improving the workability of the fixing work.

Next, the second embodiment will be described. This second embodiment is similar to the first embodiment described with reference to Figures 1 to 10, except for the roof where it is installed and the base member for fixing the module support bracket 100 to the roof. Below, the second embodiment will be described, focusing on the differences from the first embodiment.

Figure 11 is a side view showing the solar power generation facility of the second embodiment.

The solar power generation facility 2 of the second embodiment shown in FIG. 11 is installed on a slate roof A21, which is a type of sloping roof. The base member 250 for fixing the module support bracket 100 is a member that is suitable for installation on this slate roof A21. This base member 250 is fixed onto the slate roof A21, the module support bracket 100 is attached to the base member 250, and the solar cell module 10 is supported by the module support bracket 100.

Next, we will explain the module construction method for the slate roof A21 in this embodiment.

Figure 12 is a schematic diagram showing steps S211 to S213 in the module construction method for the slate roof shown in Figure 11. Also, Figure 13 is a schematic diagram showing steps S214 to S216 in the module construction method. Note that the slate roof A21 is omitted from the illustration in Figures 12 and 13.

In step S211 of the module construction method, the module support brackets 100 are attached to each of the foundation members 250 on the eaves side of the slate roof A21 shown in FIG. 11. In this attachment, first, the back plate mounting portion 111 of the installation side bracket 110 is inserted and fitted into the foundation member 250 in the insertion direction D13. After that, the frame side bracket 120 is attached in the installation direction D14 so that the fixing bolt 131 penetrates the clamping portion 121 and the regulating protrusion 122 abuts against the foundation member 250. Furthermore, the fastening nut 132 is lightly screwed onto the bolt portion 131b in a state before torque tightening.

In the next step S212, the fastening nut 132 is torqued while the rotation of the frame side metal fitting 120 is stopped by the anti-rotation jig 140, and the frame side metal fitting 120 is fastened and fixed to the installation side metal fitting 110. At this time, the module support metal fitting 100 is not yet attached to the adjacent foundation member 250 on the ridge side.

Steps S211 and S212 up to this point constitute the first fitting installation process, which installs the first fitting, which is the eaves side module support fitting 100, at the first installation position on the eaves side.

Step S213, which follows the first fitting installation process of steps S211 and S212, is a module placement process in which the solar cell module 10 on the eaves side is placed. In this step S213, the metal frame 12 is inserted into the insertion gap T11 of the module support fitting 100, which is the first fitting, so that the inner edge 12c-1 abuts against the abutment protrusion 112, and the solar cell module 10 is placed. At this time, the ridge side end of the solar cell module 10 is placed on the foundation member 250 on the ridge side to which the module support fitting 100 is not attached. Specifically, the metal frame 12 is inserted into the insertion gap T11 while the ridge side of the solar cell panel 10 is lifted and held slightly diagonally, and then the ridge side is lowered onto the foundation member 250, and the solar cell panel 10 is placed. During this descent, the inner edge 12c-1 of the metal frame 12 abuts against the abutment protrusion 112 to position it.

Following the module placement process of step S213, steps S214 and S215 are executed to perform a second fitting installation process in which the module support fitting 100 is installed on the foundation member 250 on the ridge side. First, in step S214, the installation side fitting 110 is attached to each of the two foundation members 250 on the ridge side so as to be adjacent to the ridge side of the metal frame 12 of the solar cell module 10. In step S214, the back plate mounting portion 111 of the installation side fitting 110 is inserted and fitted into the foundation member 250 in the insertion direction D13. In the next step S215, the frame side fitting 120 is attached in the mounting direction D14 so that the fixing bolt 131 penetrates the clamping portion 121 and the restricting protrusion 122 abuts against the foundation member 250. Then, the fastening nut 132 is screwed onto the fixing bolt 131, and the fastening nut 132 is torque-tightened in a state in which the frame side fitting 120 is prevented from rotating by the anti-rotation jig 140. This torque tightening fixes the frame side bracket 120 to the installation side bracket 110. Through steps S214 and S215 described above, the ridge side module support bracket 100 (second bracket) is installed in a completed state at the second installation position on the ridge side.

In the following step S216, the metal frame 12 of the second ridge-side solar cell module 10 is inserted into the insertion gap T11 between the installation side bracket 110 and the frame side bracket 120 of the ridge-side module support bracket 100 installed in step S214 and step S215. This insertion is performed in the same manner as in step S113 described above, so that the inner edge 12c-1 abuts against the abutment protrusion 112. After this, although not shown in the figure, the same operations as in steps S214 and S215 are repeated to install the ridge-side module support bracket 100 that supports the ridge-side solar cell module 10. With the installation of this ridge-side module support bracket 100, the solar power generation facility 2 shown in FIG. 11 is completed.

It goes without saying that in the second embodiment described above, like the first embodiment, the solar cell module 10 can be easily installed with good workability.

Next, the third embodiment will be described. In this third embodiment, the shape of the frame side fittings is different from that of the first embodiment described above. Below, the third embodiment will be described, focusing on the differences from the first embodiment. On the other hand, the solar power generation equipment and construction method are substantially the same as those of the first embodiment, so illustrations and descriptions will be omitted.

Figure 14 is a three-view diagram similar to Figure 4, showing the module support bracket and base member of the third embodiment. Note that in Figure 14, components equivalent to those of the first embodiment shown in Figure 4 are given the same reference numerals as in Figure 4, and redundant explanations of these equivalent components will be omitted below.

In the module support bracket 300 of the third embodiment, the pair of regulating projections 322 on the frame side bracket 320 are formed with a regulating end 322a and a rotation prevention end 322b at their protruding ends. The regulating end 322a is a part that abuts against the upper wall 156 of the base member 150, which is the abutting object, and thereby regulates the gap between the frame side bracket 320 and the installation side bracket 110 in the same manner as in the first embodiment. The rotation prevention end 322b extends further from the regulating end 322a and abuts against the side surface of the base member 150 near the upper wall 156, thereby preventing the frame side bracket 320 from rotating.

It goes without saying that in the third embodiment described above, as in the first embodiment, the solar cell module 10 can be easily installed with good workability.

In addition, in this embodiment, the protruding end of the regulating protrusion 322 is formed with a regulating end 322a and a rotation prevention end 322b. With this configuration, the rotation prevention jig 140 described in the first embodiment and the like are not required to prevent the rotation of the frame side metal fitting 320, so the operating costs can be reduced.

Next, the fourth embodiment will be described. In this fourth embodiment, the roof, which is the installation location, and the shapes of the foundation members and installation side fittings are different from those of the first embodiment described above. Below, the fourth embodiment will be described, focusing on the differences from the first embodiment. On the other hand, the solar power generation equipment and construction method are substantially the same as those of the first embodiment, so illustrations and descriptions will be omitted.

Figure 15 is a three-view diagram similar to Figure 4, showing the module support bracket and base member of the fourth embodiment. Also, Figure 16 is a three-view diagram showing the installation side bracket and base member shown in Figure 15. Note that in Figures 15 and 16, components equivalent to those of the first embodiment shown in Figure 4 are given the same reference numerals as in Figure 4, and duplicated explanations of these equivalent components will be omitted below.

In the fourth embodiment, the solar cell module 10 is installed on the seam-type folded-plate roof A41, and the foundation member is a seam gripping fitting 450 that is attached to the seam A411 of the seam-type folded-plate roof A41. In this embodiment, the installation side fitting 410 is integrally formed by sheet metal processing on the opposite side to the attachment portion 451 of the seam gripping fitting 450 to the seam A411 so that the metal frame 12 can be placed on the back plate placement portion 411.

The mounting portion 451 to the seam A411 is a pair of arms that can be opened and closed as shown in Fig. 16, and is fixed to the seam A111 by clamping the seam A411 from both the left and right sides and tightening it with a bolt 452 that passes through the mounting portion 451. In the back plate mounting portion 411 of the installation side fitting 410 of the module support fitting 400 of this embodiment, the flat top that connects the upper ends of the mounting portion 451, which is a pair of arms, is a portion that extends in a rectangular strip shape along the seam A411. At both ends of this back plate mounting portion 411, there are provided a contact protrusion 412 that abuts against the inner edge 12c-1 of the metal frame 12 of the solar cell module 10, a contact surface 411d with the metal frame 12, and a pressing protrusion 411h that presses the metal frame 12 up against the frame side fitting 120. The back surface of the back plate mounting portion 411 is formed with head anti-rotation protrusions 411g that prevent the bolt head 131a from rotating, and the central through-hole for attaching the fixing bolt 131 has anti-rotation protrusions 411f for the fixing bolt 131 in four locations, just like in the first embodiment.

In this embodiment, by attaching the seam gripping fitting 450 to the seam A411, the installation side fitting 410 is automatically attached to the seam-type folded-plate roof A41. Then, the frame side fitting 120 is attached in the same procedure as in the first embodiment, and the fastening nut 132 is screwed onto the fixing bolt 131 of the fixing member 130 and torqued to complete the module support fitting 400. Thereafter, the metal frame 12 of the solar cell module 10 is inserted sequentially as in the first embodiment, and the solar power generation facility is completed with the solar cell module 10 arranged on the seam-type folded-plate roof A41.

It goes without saying that in the fourth embodiment described above, like the first embodiment, the solar cell module 10 can be easily installed with good workability.

In addition, in this embodiment, the installation side fitting 411 of the module support fitting 400 is integrally formed on the opposite side of the attachment portion 451 of the seam gripping fitting 450 to the seam A411. With this configuration, the seam gripping fitting 450, which serves as a foundation member required when installing the solar cell module 10 on the seam-type folded-plate roof A41, and the installation side fitting 411 of the module support fitting 400 are integrally formed, so the number of parts can be reduced.

Next, the fifth embodiment will be described. This fifth embodiment differs from the first embodiment only in the module construction method, and various components and installation locations are the same as those of the first embodiment. Below, the fifth embodiment will be described, focusing on the differences from the first embodiment. In the following description, illustrations of the module construction method of the fifth embodiment will be omitted, and the module construction method of the first embodiment shown in Figures 9 and 10 will be referred to as appropriate.

In the module construction method of the fifth embodiment, steps S111 and S112 for installing the module support bracket 100 via the foundation member 150, and steps S114 and S115 are all temporary assembly steps that do not involve torque tightening. That is, steps S111 and S112 are first fitting temporary assembly steps that install the eaves-side module support bracket 100, which is the first fitting, in a temporary assembly state in which the fastening nuts 132 are loosely fastened without torque tightening and the frame-side bracket 120 is temporarily assembled to the installation-side bracket 110. Steps S114 and S115 are second fitting temporary assembly steps that install the ridge-side module support bracket 100, which is the second fitting, in a similar temporary assembly state.

In this embodiment, after the six module support brackets 100 supporting the two solar cell modules 10 are installed in a provisionally assembled state, the following final assembly process is performed. In this final assembly process, the frame side brackets 120 of each of the six module support brackets 100 in the provisionally assembled state are permanently assembled to the installation side bracket 110 by torque tightening the fastening nuts 132. In this embodiment, the frame side brackets 120 are assembled to the installation side bracket 110 using the above-mentioned anti-rotation jig 140 in the first and second provisional assembly processes. In this final assembly process, the restricting protrusions 122 of the frame side brackets 120 abut against the metal frame 12 of the solar cell module 10. Since this abutment has already prevented rotation, the anti-rotation jig 140 is not used in this embodiment, but it may be used just to be sure.

It goes without saying that in the fifth embodiment described above, like the first embodiment described above, the solar cell module 10 can be easily installed with good workability.

In addition, according to this embodiment, by repeating the second metal fitting temporary assembly process, multiple solar cell modules 10 can be arranged as follows with good workability. That is, one of the pair of module support fittings 100 that support the solar cell module 10 in a temporary assembly state can be regarded as the first metal fitting installed in a temporary assembly state to support the second solar cell module 10. In other words, the state in which the second metal fitting temporary assembly process of the first solar cell module 10 is completed can be regarded as the state in which the first metal fitting temporary assembly process in the installation of the second solar cell panel is completed. Therefore, by continuing the second metal fitting temporary assembly process, the second solar cell module 10 can be temporarily installed in the same manner as the first solar cell module 10. In this way, multiple solar cell modules 10 can be arranged in a temporary assembly state by repeating the second metal fitting temporary assembly process while regarding the module support fitting 100 that has been installed and is in a temporary assembly state as the first metal fitting for the next solar cell module 10. In this case, the main assembly process may be performed each time the temporary installation of the adjacent solar cell module 10 is completed. Alternatively, the process may be performed all at once when the temporary assembly and installation of several solar cell modules 10 has been completed, or when the temporary assembly and installation of all the desired solar cell modules 10 has been completed.

In this embodiment, the first fitting provisional assembly process and the second fitting provisional assembly process are performed using the anti-rotation jig 140. With this configuration, the frame side fitting 120 is assembled to the installation side fitting 110 while preventing the frame side fitting 120 from rotating using the anti-rotation jig 140, thereby improving the workability of the fixing work.

Next, the sixth embodiment will be described. This sixth embodiment is a modified version of the first embodiment described with reference to Figures 1 to 10. In the sixth embodiment, the shapes of the installation side metal fittings and the frame side metal fittings are different from those of the first embodiment described above. Below, the sixth embodiment will be described, focusing on the differences from the first embodiment. On the other hand, the solar power generation equipment and construction method are substantially the same as those of the first embodiment, so illustrations and descriptions will be omitted.

Figure 17 is a plan view similar to Figure 3, showing the module support fitting and foundation member of the sixth embodiment, and Figure 18 is a three-view diagram showing the module support fitting and foundation member shown in Figure 17 together with a rotation prevention jig. Also, Figure 19 is a three-view diagram showing the installation side fitting shown in Figures 17 and 18, and Figure 20 is a three-view diagram showing the frame side fitting shown in Figures 17 and 18. And Figure 21 is a schematic diagram showing how the installation side fitting and frame side fitting shown in Figures 17 and 18 are attached to the foundation member and fixed with a fixing member to form the module support fitting. In these Figures 17 to 21, the same reference numerals as in Figures 1 to 10 are used to explain the sixth embodiment among the components equivalent to the components of the first embodiment shown in Figures 1 to 10, and the following will omit redundant explanations of these equivalent components.

In the sixth embodiment, the installation location is the folded-plate roof A11, similar to the first embodiment. The solar cell module 10 is installed via a module support bracket 600 attached to a foundation member 150 fixed to the trapezoidal top A111 of the folded-plate roof A11, and the solar power generation facility 6 is constructed.

At this time, in this embodiment, first, in the back plate placement portion 611 of the installation side metal fitting 610, two pairs of rail fitting ribs 611i are provided so as to sandwich the abutment protrusions 112 at two positions in the front and rear in the longitudinal direction in the width direction. As shown in FIG. 18, the groove slit 152 of the base member 150 is a space formed between the rail inner walls 152a extending from the inner end edges of the pair of upper walls 156 toward the groove bottom 151b. A gap is opened between each of the pair of rail inner walls 152a and a pair of side walls 157 of the base member 150. When the installation side metal fitting 610 is inserted and fitted into the rail groove 151 from the one end opening 151a in the insertion direction D13 as shown in FIG. 21, the rail fitting rib 611i slides and moves in the gap between the side wall 157 while rubbing against the inner surface of the rail inner wall 152a. At this time, the abutting end 111c slides in the gap between the rail inner wall 152a while rubbing against the inner surface of the side wall 157. Furthermore, the rail fitting rib 611i and the abutting end 111c slide in the gap between the rail inner wall 152a and the side wall 157 while their upper edges abut and rub against the back surface of the upper wall 156. This sliding movement while rubbing suppresses the vertical and widthwise shaking of the installation side metal fitting 610 during the movement, and the installation side metal fitting 610 can be smoothly inserted and fitted into the rail groove 151.

Next, in this embodiment, the clamping portion 621 of the frame side metal fitting 620 does not have a structure equivalent to the eaves portion 123 in the first embodiment, and has a rectangular shape that is rotationally symmetric about an axis when viewed from above. In the center of this clamping portion 621, a rhombus-shaped bulge portion 621a in a plan view is formed by pressing to bulge upward. In the center of this bulge portion 621a, a through hole 624 is formed through which the fixing bolt 131 of the fixing member 130 passes.

The shape of the bulge formed on the clamping portion is not limited to a diamond shape as in this embodiment, and the location of its formation is not limited to the center of the clamping portion. As long as it is a bulge around the through hole of the fixing bolt, the shape may be any shape, such as a circle or ellipse in a plan view. The position of its formation may also be slightly closer to the edge of the clamping portion. The bulging direction is also not limited to the upward direction as in this embodiment, and it may be bulged so as to be convex downward.

As shown in FIG. 20, a pair of regulating protrusions 622, whose cross section perpendicular to the protruding direction D12 is substantially U-shaped, protrude from the side edges of a pair of short sides of the rectangular clamping portion 621 with a protruding length L11 corresponding to the insertion gap T11 described in the first embodiment. The pair of regulating protrusions 622 are arranged so that the opening sides of the U shape face each other. Specifically, the strip-shaped protruding edge is bent at a substantially right angle at the side edge of the short side of the clamping portion 621, and a pair of measuring parts of the protruding edge are folded at a substantially right angle toward the center of the clamping portion 621, forming a pair of substantially U-shaped regulating protrusions 622 with their opening sides facing each other.

Then, the frame side metal fitting 620 is placed over the installation side metal fitting 610 so that the fixing bolt 131 of the installation side metal fitting 610 attached to the foundation member 150 as described above passes through the through hole 624. At this time, the tips of the pair of substantially U-shaped regulating protrusions 622 abut against the upper wall 156 of the foundation member 150, and an insertion gap T11 into which the metal frame 12 of the solar cell module 10 is inserted is formed between the frame side metal fitting 620 and the installation side metal fitting 610. Then, the fastening nut 132 is screwed onto the fixing bolt 131 that has passed through the through hole 624, so that the frame side metal fitting 620 is fastened and fixed to the installation side metal fitting 610 to form the module support metal fitting 600. In addition, during this fastening and fixing, the anti-rotation jig 140 is installed so as to abut against the pair of regulating protrusions 622, as in the first embodiment, and the fastening nut 132 is tightened in a state in which the frame side metal fitting 620 is prevented from rotating. The foundation member 150 with the module support bracket 600 thus configured is fixed to the folded plate roof A11 and used to install the solar cell module 10.

It goes without saying that in the sixth embodiment described above, like the first embodiment, the solar cell module 10 can be easily installed with good workability.

In addition, in this embodiment, the installation metal fitting 610 is attached to the base member 150 so that the rail fitting rib 611i and the abutting end 111c of the installation metal fitting 610 slide in the gap between the rail inner wall 152a and the side wall 157 of the base member 150. With this configuration, shaking of the installation metal fitting 610 during movement is suppressed, and the installation metal fitting 610 can be smoothly inserted and fitted into the rail groove 151 in the base member 150, as described above.

In addition, according to this embodiment, the clamping portion 621 of the frame side metal fitting 620 is formed rotationally symmetrically around the axis, eliminating the need for directional installation, and the worker can perform the installation work without worrying about the orientation of the frame side metal fitting 620.

In addition, according to this embodiment, the pair of restricting protrusions 622 on the frame side fitting 620 are formed with a generally U-shaped cross section, improving the strength in the protruding direction D12.

In addition, according to this embodiment, a bulge 621a is formed in the clamping portion 621 of the frame side metal fitting 620. Then, the fastening nut 132 screwed onto the fixing bolt 131 passing through the through hole 624 provided in this bulge 621a is tightened, thereby fastening and fixing the frame side metal fitting 620 to the installation side metal fitting 610. At this time, the fastening force of the fastening nut 132 is applied to the peripheral portion of the through hole 624. In this embodiment, the peripheral portion of this through hole 624 becomes the bulge 621a, improving the strength, so that the fastening force of the fastening nut 132 can effectively suppress deformation such as, for example, the pair of regulating protrusions 622 opening in a direction away from each other. In addition, the frame side metal fitting 620 in this embodiment can be used in place of the frame side metal fitting 120 in the module support metal fitting 100 for the slate roof A21 of the second embodiment shown in Figures 11 to 13. In addition, the frame side fitting 620 in this embodiment can also be used in place of the frame side fitting 120 in the module support fitting 400 for the grooved folded plate roof A41 of the fourth embodiment shown in Figures 15 and 16.

Next, the seventh embodiment will be described. This seventh embodiment is a modified version of the first embodiment described with reference to Figures 1 to 10, in particular a modified version of the solar power generation facility 1 shown in Figure 1. Below, the seventh embodiment will be described, focusing on the differences from the first embodiment. On the other hand, the module support brackets and construction method are substantially the same as those of the first embodiment, and therefore will not be illustrated or described.

Figure 22 shows a solar power generation facility of the seventh embodiment in a top view similar to Figure 1.

The solar power generation facility 7 of the seventh embodiment is a solar cell module 10 installed on a folded-plate roof A11 similar to that of the first embodiment via a module support bracket 100 similar to that of the first embodiment. In this embodiment, a back support member 760 is further installed to support the back surface 11b of the module body 11 of the solar cell module 10, which is opposite to the light receiving surface 11a. The back support member 760 is attached to a support position away from the mounting position of the installation side bracket 110 on the folded-plate roof A11, and supports the supported portion 11b-1 away from the metal frame 12 on the back surface 11b of the module body 11. In this embodiment, two back support members 760 are installed so as to support two supported portions 11b-1 for each solar cell module 10. The back support member 760 plays a role of supporting the snow load applied to the light receiving surface 11a from the back surface 11b when snow accumulates.

Figure 23 is a three-view diagram showing the rear support member shown in Figure 22.

The back support member 760 is attached to the folded plate roof A11 via the foundation member 150 similar to that of the first embodiment, and includes a back installation side metal fitting 761, a cushioning member 762, a fixing metal fitting 763, and a fixing member 764. The back installation side metal fitting 761 has the same shape as the installation side metal fitting 110 similar to that of the first embodiment provided for installing the solar cell module 10, and is attached to the support position on the folded plate roof A11 via the foundation member 150. The cushioning member 762 is formed of an elastic resin such as rubber, which is a material more flexible than the module body 11 and the back installation side metal fitting 761, and is attached to the surface of the supported portion 11b-1 of the module body 11, and when a snow load is applied, it supports the snow load while being slightly crushed. The fixing metal fitting 763 is arranged between the cushioning member 762 and the back installation side metal fitting 761, and fixes the cushioning member 762 to the back installation side metal fitting 761.

Figure 24 is a perspective view showing the cushioning member and fixing bracket shown in Figure 23.

23 and 24, the buffer member 762 is a rectangular block-shaped member, and one surface of the buffer member 762 is attached to the supported portion 11b-1. The fixing bracket 763 has a U-shaped groove-shaped fixed portion 763a that is placed on and fixed to the upper surface of the back-side installation side bracket 761, and a pair of buffer member fixing portions 763b that extend like wings from a pair of upper edges of the fixed portion 763a. The back surface of the buffer member 762 opposite to the side that is attached to the supported portion 11b-1 is adhesively fixed to the buffer member fixing portion 763b. The fixing member 764 fixes the fixed portion 763a of the fixing bracket 763 to the upper surface of the back-side installation side bracket 761, and includes a fixing bolt 764a and a fastening nut 764b as shown in FIG. 23. The fixing bolt 764a is attached so that the bolt head 764a-1 slides against the back surface of the back-side installation side bracket 761, which has the same shape as the installation side bracket 110. On the other hand, a through hole 763a-1 for bolt fastening is provided on the bottom surface of the U-shaped groove-shaped fixed portion 763a, and a fastening nut 764b is attached to the bolt portion 764a-2 that passes through this through hole 763a-1.

It goes without saying that in the seventh embodiment described above, like the first embodiment described above, the solar cell module 10 can be easily installed with good workability.

In addition, in this embodiment, the solar power generation equipment 7 is provided with a back support member 760. With this configuration, the load of snow during snow accumulation is supported by the back support member 760, so that deflection of the module body 11 due to the load of snow can be suppressed.

In addition, in this embodiment, the rear support member 760 has a structure in which the cushioning member 762 is fixed to the rear installation side metal fitting 761, which has the same shape as the installation side metal fitting 110 for installing the solar cell module 10, by a fixing metal fitting 763. With this configuration, the installation side metal fitting 110 for installing the solar cell module 10 can be used as the rear installation side metal fitting 761, which is one component of the rear support member 760, so that the cost of parts can be reduced.

In this embodiment, a rectangular block-shaped buffer member 762 is used as an example of the buffer member, but the buffer member is not limited to this. The buffer member may be, for example, a circular block-shaped member, and the specific shape is not important.

In addition, in this embodiment, as an example of a solar power generation facility, a solar power generation facility 7 in which two sets of back support members 760 are installed for each solar cell panel 10 is exemplified. However, the solar power generation facility is not limited to this, and the number of sets of back support members can be appropriately set depending on the amount of snowfall expected at the installation location, etc.

The above circumstances regarding the shape of the cushioning member and the number of sets of back surface support members also apply to the eighth to tenth embodiments described below, which are equipped with back surface support members in the same manner as this embodiment.

Next, the eighth embodiment will be described. This eighth embodiment is a modification of the solar power generation facility in the fourth embodiment described with reference to Figures 15 and 16, in which a back support member for supporting snow load is provided. Below, the eighth embodiment will be described, focusing on the differences from the fourth embodiment. On the other hand, the module support fittings and construction method are substantially the same as those of the fourth embodiment, and therefore illustrations and descriptions thereof will be omitted.

Figure 25 shows the solar power generation system in the eighth embodiment, focusing on the back support member.

In the solar power generation facility 8 of the eighth embodiment, the solar cell module 10 is installed on the seam-type folded plate roof A41 using the module support bracket 400 of the fourth embodiment shown in Figures 15 and 16 via the seam grip bracket 450. In this embodiment, a back support member 860 for supporting the snow load is installed on the back side of the module body 11 of the solar cell module 10. The back installation side bracket 861 of this back support member 860 has the same shape as the installation side bracket 410 similar to the fourth embodiment, and is integrally formed with the seam grip bracket 450 by sheet metal processing. The buffer member 862 and the fixing bracket 863 in this embodiment are each the same members as those in the seventh embodiment described above, and are fixed to the back installation side bracket 861 by a fixing member 864 having a fixing bolt 864a and a fastening nut 864b.

It goes without saying that in the eighth embodiment described above, like the first embodiment described above, the solar cell module 10 can be easily installed with good workability.

In addition, in this embodiment, as in the seventh embodiment described above, the installation of the rear support member 860 can suppress deflection of the module body 11 due to snow load.

Next, the ninth embodiment will be described. In this ninth embodiment, the solar cell module 10 is installed on a flat roof. To enable installation on a flat roof, the module support bracket is different from the previous embodiments, but the technical concept of having an installation bracket, a frame bracket, and a fixing member is the same, and detailed explanation of the module support bracket will be omitted. In addition, the construction method, etc. are substantially the same as in the first embodiment, so illustrations and explanations will be omitted.

Figure 26 is a diagram showing a solar power generation facility in the ninth embodiment.

In the solar power generation facility 9 of the ninth embodiment, the solar cell module 10 is installed on the flat roof A91 by the module support bracket 900 via the base 950. The solar cell module 10 is installed on the flat flat roof A91 with an inclination suitable for receiving light. In this embodiment, in order to provide this inclination, a low-side support bracket 900L and a high-side support bracket 900H are prepared as the module support bracket 900. These two types of support brackets have the same structure except for the height from the base 950. That is, the low-side support bracket 900L and the high-side support bracket 900H each include the installation side bracket 910L, 910H, the frame side bracket 920L, 920H, and the fixing member 930L, 930H. The installation side metal fittings 910L, 910H are formed in a Z-shape in a side view and fixed to the base 950, and the portion that corresponds to the upper side of the Z-shape is inclined at a desired inclination angle, and this portion supports the metal frame 12 of the solar cell module 10 from the back side. The frame side metal fittings 920L, 920H are arranged so as to sandwich the metal frame 12 between the installation side metal fittings 910L, 910H. Here, the installation side metal fittings 910L, 910H are subjected to downwardly convex burring processing on the mounting portion of the metal frame 12, and a screw hole having a female thread is formed on the inside. The fixing members 930L, 930H of this embodiment are fixing bolts, and the fixing bolts are screwed into the screw holes of the installation side metal fittings 910L, 910H from above the frame side metal fittings 920L, 920H, aiming at the screw holes of the installation side metal fittings 910L, 910H. As a result, the frame side metal fittings 920L, 920H, which sandwich the metal frame 12 between the installation side metal fittings 910L, 910H, are fixed to the installation side metal fittings 910L, 910H by the fixing members 930L, 930H, which serve as fixing bolts.

In this embodiment, as in the seventh and eighth embodiments described above, a back support member 960 is provided that supports the module body 11 of the solar cell module 10 from the back side in order to support the snow load. Two types of back support member 960 are provided: a low-side support member 960L provided on the low side of the slope, and a high-side support member 960H provided on the high side. These two types of support members have the same structure except for their height from the base 950, and in the following description, the high-side support member 960H is used as a representative example and is simply referred to as the back support member 960.

Figure 27 shows the rear support member shown in Figure 26 from a side view and a rear view.

The back support member 960 is attached to the flat roof A91 via a base 950 in the same manner as the module support bracket 900 described above, and includes a back installation side bracket 961, a buffer member 962, a fixing bracket 963, and a fixing member 964. The back installation side bracket 961 has a Z-shape in side view, the same as the installation side bracket provided for installing the solar cell module 10, and is attached to the support position on the flat roof A91 via the base 950. This back installation side bracket 961 is fixed to the base 950 by an anchor bolt 951. Although omitted in the description referring to FIG. 26, the installation side brackets 910L and 910H of the module support bracket 900 are also fixed to the base 950 by an anchor bolt 951.

The buffer member 962 is formed in a rectangular block shape from elastic resin such as rubber, and is attached to the surface of the supported portion 11b-1 of the module body 11. When snow load is applied, it collapses slightly to support the snow load. The fixing bracket 963 is disposed between the buffer member 962 and the rear surface mounting side bracket 961, and fixes the buffer member 962 to the rear surface mounting side bracket 961. The fixing member 964 is a fixing bolt, which is threaded through the fixing bracket 963 into a screw hole formed by burring in the rear surface mounting side bracket 961. In this way, the fixing bracket 963 is fixed to the rear surface mounting side bracket 961. The buffer member 962 is adhesively fixed to this fixing bracket 963.

It goes without saying that in the ninth embodiment described above, like the first embodiment described above, the solar cell module 10 can be easily installed with good workability.

In addition, in this embodiment, as in the seventh and eighth embodiments described above, the installation of the rear support member 960 can suppress deflection of the module body 11 due to snow load.

Next, the tenth embodiment will be described. In this tenth embodiment, the solar cell module 10 is installed on a metal roof. To enable installation on a metal roof, the module support bracket is different from the previous embodiments, but the technical concept of having an installation bracket, a frame bracket, and a fixing member is the same, and detailed description of the module support bracket will be omitted. In addition, the construction method, etc. is substantially the same as in the first embodiment, so illustrations and explanations will be omitted.

Figure 28 is a diagram showing a solar power generation facility in the tenth embodiment.

In the solar power generation facility 16 of the tenth embodiment, the solar cell module 10 is installed on the metal horizontal roof A161 by the module support bracket 160 via the foundation member 170. The foundation member 170 includes a groove rail-shaped horizontal roofing vertical slat 171 and a pair of slat support brackets 172. The pair of slat support brackets 172 are adhesively fixed to the metal horizontal roof A161 so as to support both ends of the horizontal roofing vertical slat 171, and each end of the horizontal roofing vertical slat 171 is fixed to each slat support bracket 172 to form the foundation member 170. The module support bracket 160 includes an installation side bracket 161, a frame side bracket 162, and a fixing member 163 fixed to the foundation member 170. The installation side bracket 161 is inserted longitudinally inside the groove rail-shaped horizontal roofing vertical slat 171 and fixed, supporting the metal frame 12 of the solar cell module 10 from the back side. The frame-side metal fitting 162 is positioned so as to sandwich the metal frame 12 between it and the installation-side metal fitting 161. Then, a fixing member 163 having a fixing bolt and a fastening nut fixes the frame-side metal fitting 162, with the metal frame 12 sandwiched between it and the installation-side metal fitting 161, to the installation-side metal fitting 161.

The method of fixing the crosspiece support bracket 172 is not limited to adhesive fixing as in this embodiment. The method of fixing the crosspiece support bracket 172 may be other than adhesive fixing, such as fixing with wood screws, depending on the shape of the metal roof to which it is fixed.

In this embodiment, as in the seventh to ninth embodiments described above, a back support member 180 is provided to support the module body 11 of the solar cell module 10 from the back side in order to support the snow load.

Figure 29 is a three-view diagram showing the rear support member shown in Figure 28.

The back support member 180 is attached to the metal horizontal roof A161 via the foundation member 170 in the same manner as the module support bracket 160 described above, and includes a back installation side bracket 181, a buffer member 182, a fixing bracket 183, and a fixing member 184. The back installation side bracket 181 has the same shape as the installation side bracket 161 provided for installing the solar cell module 10, and is attached to the support position on the metal horizontal roof A161 via the foundation member 170. This back installation side bracket 181 is inserted and fixed inside the groove rail-shaped horizontal roof vertical battens 171 fixed to the metal horizontal roof A161 by the batten support brackets 172 on the foundation member 170.

The buffer member 182 is formed in a rectangular block shape from elastic resin such as rubber, and is attached to the supported portion 11b-1 of the module body 11. When snow load is applied, it supports the snow load while being slightly crushed. The fixing bracket 183 is disposed between the buffer member 182 and the back-side mounting side bracket 181, and fixes the buffer member 182 to the back-side mounting side bracket 181. The fixing member 184 includes a fixing bolt 184a and a fastening nut 184b. The fixing bolt 184a is attached so that the bolt head 184a-1 is in sliding contact with the back side of the back-side mounting side bracket 181. The bolt portion 184a-2 of the fixing bolt 184a passes through the fixing bracket 183 and the fastening nut 184b is tightened, thereby fixing the fixing bracket 183 to the back-side mounting side bracket 181. The buffer member 182 is adhesively fixed to the fixing bracket 183.

It goes without saying that in the tenth embodiment described above, like the first embodiment, the solar cell module 10 can be easily installed with good workability.

In addition, in this embodiment, as in the seventh to ninth embodiments described above, the installation of the rear support member 180 can suppress deflection of the module body 11 due to snow load.

The above-described embodiments merely show typical forms of the present invention, and the present invention is not limited to these embodiments. In other words, the present invention can be implemented with various modifications within the scope of the gist of the present invention. As long as such modifications still include the configuration of the module support bracket, solar power generation equipment, and module installation method of the present invention, they are of course included in the scope of the present invention.

For example, in the first to tenth embodiments described above, as an example of the solar power generation equipment and module installation method of the present invention, solar power generation equipment 1, ..., 16 in which two solar cell modules 10 are arranged and the installation method thereof are exemplified. However, the solar power generation equipment and module installation method of the present invention are not limited to these, and the number of installed solar cell modules may be one, or of course multiple. The number of installed solar cell modules can be set appropriately depending on the installation location, power generation conditions, etc.

In the above-mentioned first to tenth embodiments, examples of the solar power generation equipment referred to in the present invention include solar power generation equipment 1, 2, 6, 7, 8, and 16 in which the solar cell module 10 is directly attached to the roof, and solar power generation equipment 9 in which the solar cell module 10 is placed on a flat roof A91 and installed via a foundation 950. However, the solar power generation equipment referred to in the present invention is not limited to these, and may be installed on a solar cell module, a stand provided on the ground or a roof, etc.

In the above-mentioned first to tenth embodiments, the frame side fittings 120, 320, 620, 920L, 920H, and 162, which are provided with a pair of restricting protrusions 122, 322, and 622, are exemplified as examples of the frame side fittings of the present invention. The installation side fittings 110, 410, 910L, 910H, and 161, which are provided with a pair of abutting protrusions 112 and 412, are exemplified as examples of the installation side fittings of the present invention. However, the frame side fittings and installation side fittings of the present invention are not limited to these, and the number of restricting protrusions and abutting protrusions can be set appropriately.

1, 2, 6, 7, 8, 9, 16 Photovoltaic power generation equipment 10 Solar cell module 11 Module body 11a Light receiving surface 11b Back surface 11b-1 Supported portion 12 Metal frame 12a Connection portion 12b Side plate portion 12c Back plate portion 12c-1 Inner edge 100, 300, 600, 900, 160 Module support fitting 110, 610, 910L, 910H, 161 Installation side fitting 111, 411, 611 Back plate mounting portion 111a Central protrusion portion 111b Side end portion 111c Contact end portion 111d, 411d Contact surface portion 111e, 124, 141, 624 Through hole 111f, 411f Anti-rotation protrusion 111g, 411g Head anti-rotation protrusion 111h, 411h Pressing protrusion 112, 412 Abutment protrusion 120, 320, 620, 920L, 920H, 162 Frame side metal fitting 121, 621 Clamping portion 122, 322, 622 Restricting protrusion 123 Eaves portion 130, 930L, 930H, 163 Fixing member 131 Fixing bolt 132 Fastening nut 140 Anti-rotation jig 150, 250, 170 Foundation member 151 Rail groove 151a One end opening 151b Groove bottom 152 Groove slit 152a Rail inner wall 153 Adhesive sheet 154 Support protrusion 155 Stopper protrusion 156 Upper wall 157 Side wall 171 Horizontal roofing vertical batten 172 batten support fitting 322a restricting end 322b anti-rotation end 450 seam grip fitting 451 mounting portion 452 bolt 611i rail fitting rib 621a bulge 760, 860, 960, 180 back surface support member 761, 861, 961, 181 back surface installation side fitting 762, 862, 962, 182 cushioning member 763, 863, 963, 183 fixing fitting 763a fixed portion 763a-1 through hole 763b cushioning member fixing portion 764, 864, 964, 184 fixing member 764a, 864a, 184a fixing bolt 764a-1, 184a-1 bolt head 764a-2, 184a-2 Bolt part 764b, 864b, 184b Fastening nut 900L Low side support bracket 900H High side support bracket 950 Laying base 951 Anchor bolt 960L Low side support member 960H High side support member A11 Folded plate roof A111 Trapezoidal top A21 Slate roof A41 Seam type folded plate roof A411 Seam A91 Flat roof A161 Metal horizontal roof D11 Tilt direction D12 Protruding direction D13 Insertion direction D14 Mounting direction L11 Protruding length T11 Insertion gap

Claims (10)

A module support bracket capable of supporting solar cell modules, each having a flat module body and a metal frame that holds the outer periphery of the module body, in a state in which two modules are arranged with a module gap between them at a predetermined installation location,
the metal frame has a connecting portion connected to the outer periphery of the module body, a side plate portion extending from the connecting portion to a back surface of the module body opposite the light receiving surface in a direction intersecting the module body, and a back plate portion extending from an edge of the side plate portion opposite the connecting portion along the back surface to a center of the module body,
An installation side fitting that is attached to the installation location;
a frame-side metal fitting arranged with an insertion gap for inserting the metal frame therein so as to sandwich the metal frame between the frame-side metal fitting and the installation-side metal fitting;
a fixing member that fixes the frame-side metal fitting to the installation-side metal fitting,
The installation side fitting is
a back plate placement portion on which the back plate portion of the metal frame is placed;
a contact protrusion protruding from the back plate mounting portion so as to contact an inner edge of the back plate portion opposite to the side plate portion;
The frame side metal fitting is
a clamping portion formed in a flat plate shape wider than the module gap and capable of clamping the metal frames of two solar cell modules between the clamping portion and the back plate mounting portion;
a regulating protrusion which protrudes from an intersecting edge of the clamping portion that intersects with the boundary between the connecting portion and the side plate portion toward the back plate mounting portion by a protruding length corresponding to the insertion gap, and whose cross section perpendicular to the protruding direction is formed in an L-shape, restricting the gap between the clamping portion and the back plate mounting portion to the insertion gap and clamping the metal frame between the clamping portion and the abutment protrusion. The module support bracket according to claim 1, characterized in that the back plate mounting portion is provided with a pressing protrusion that protrudes so as to push up the back plate portion mounted on the back plate mounting portion and presses the metal frame against the clamping portion. The fixing member is
a fixing bolt that is erected on the back plate mounting portion while avoiding the metal frame inserted into the insertion gap so that a bolt head is in sliding contact with a back surface of the back plate mounting portion of the installation-side metal fitting opposite the mounting side of the back plate portion, and a bolt portion passes through the back plate mounting portion of the installation-side metal fitting and the clamping portion of the frame-side metal fitting;
a fastening nut that is screwed onto a tip end of the bolt portion that passes through the clamping portion to fasten the frame-side metal fitting to the installation-side metal fitting,
The bolt head of the fixing bolt has a polygonal columnar shape,
3. The module support bracket according to claim 1, wherein the back surface of the back plate mounting portion is provided with a head anti-rotation protrusion that protrudes so as to abut against a side surface of the bolt head and prevents the bolt head from rotating. The fixing member is
a fixing bolt that is erected on the back plate mounting portion while avoiding the metal frame inserted into the insertion gap so that a bolt head is in sliding contact with a back surface of the back plate mounting portion of the installation-side metal fitting opposite the mounting side of the back plate portion, and a bolt portion passes through the back plate mounting portion of the installation-side metal fitting and the clamping portion of the frame-side metal fitting;
a fastening nut that is screwed onto a tip end of the bolt portion that passes through the clamping portion to fasten the frame-side metal fitting to the installation-side metal fitting,
The back plate mounting portion has a through hole through which the bolt portion passes,
A module support bracket as described in any one of claims 1 to 3, characterized in that the through hole is provided with an anti-rotation protrusion that protrudes inward at least at one circumferential location on the inside of the through hole so as to prevent the inserted bolt portion from rotating. A solar cell module having a flat module body and a metal frame that holds an outer periphery of the module body;
The module support bracket according to any one of claims 1 to 4, which supports the solar cell module at a predetermined installation location;
A solar power generation facility comprising: The photovoltaic power generation facility according to claim 5, further comprising a back support member that is attached to a support position away from the mounting position of the installation side metal fitting at the installation location and supports a supported portion of the back surface of the module body that is away from the metal frame. The back surface support member is
A back surface mounting metal fitting having the same shape as the mounting metal fitting and attached to the support position;
a buffer member that is made of a material that is softer than the module body and the rear surface mounting metal fitting and that is in contact with the supported portion;
a fixing metal fitting disposed between the cushioning member and the rear-surface mounting-side metal fitting and fixing the cushioning member to the rear-surface mounting-side metal fitting;
The solar power generation facility according to claim 6, further comprising: A module installation method for installing a solar cell module having a flat module body and a metal frame that holds an outer periphery of the module body at an installation location using at least one pair of module support brackets according to any one of claims 1 to 4, comprising:
a first fitting installation process for installing a first fitting of the pair of module support fittings in a completed state in which the frame side fitting is fixed to the installation side fitting via the fixing member at a first installation position of at least a pair of fitting installation positions that sandwich the solar cell module at the installation location;
a module placement process of inserting the metal frame into the insertion gap of the first fitting placed at the first installation position so that the inner edge abuts against the abutment protrusion, and placing the solar cell module at the installation location;
a second fitting installation process for installing a second fitting of the pair of module support fittings at a second installation position of the pair of fitting installation positions, in a completed state in which the frame side fitting is fixed to the installation side fitting via the fixing member so that the metal frame is sandwiched between the frame side fitting and the installation side fitting. The module construction method described in claim 8, characterized in that the first metal fitting installation process and the second metal fitting installation process are processes in which a rotation-prevention jig is pressed against the regulating protrusion to prevent the frame-side metal fitting from rotating, and the frame-side metal fitting is fixed to the installation-side metal fitting while preventing the frame-side metal fitting from rotating. A module installation method for installing a solar cell module having a flat module body and a metal frame that holds an outer periphery of the module body at an installation location using at least one pair of module support brackets according to any one of claims 1 to 4, comprising:
a first fitting temporary assembly process of installing a first fitting of the pair of module support fittings at a first installation position of at least a pair of fitting installation positions that sandwich the solar cell module at the installation site, in a temporary assembled state in which the frame side fitting is temporarily assembled to the installation side fitting via the fixing member;
a module placement process of inserting the metal frame into the insertion gap of the first fitting placed at the first installation position so that the inner edge abuts against the abutment protrusion, and placing the solar cell module at the installation location;
a second fitting temporary assembly process of installing a second fitting of the pair of module support fittings at a second installation position of the pair of fitting installation positions in a temporary assembled state in which the frame-side fitting is temporarily assembled to the installation-side fitting via the fixing member so that the metal frame is sandwiched between the second fitting and the installation-side fitting;
a final assembly process for finally assembling the frame side fittings of each of the pair of module support fittings in a provisionally assembled state to the installation side fittings via the fixing members.

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