JP5746557B2 - Solar cell module mounting device - Google Patents

Description

  The present invention relates to an attachment device for attaching a solar cell module to a flat roof such as a folded roof having a plurality of tops or protrusions.

  Conventionally, an attachment jig and an attachment structure for attaching a solar cell module to a folded plate roof are known (see Patent Documents 1-3).

  Patent Document 1 discloses a mounting jig that can easily adjust the installation angle by simply changing the length of the support fitting when installing the solar cell module at an inclination.

  In Patent Document 2, the left and right separate clamp pieces are tightened with bolts to sandwich the top of the folded plate roof, and the frame fixing bracket is attached to the left and right clamp pieces, so that the solar cell module is inclined with respect to the roof surface. A mounting structure to be installed in is disclosed.

  Further, Patent Document 3 discloses a solar cell that is installed in parallel with the roof surface by installing a mounting hardware on the top of the folded plate roof and fixing the solar cell module to a fastening bolt protruding upward from the mounting hardware. A mounting structure for mounting the module is disclosed.

JP 2009-91825 A JP 2001-193231 A Japanese Patent No. 3299877

  However, the mounting jig or the mounting hardware disclosed in Patent Documents 1-3 is attached not only to the folded plate roof but also to the solar cell module on site.

  It is possible to attach a mounting jig or the like to the solar cell module in advance at a factory or the like, but the mounting jig protrudes, which may be bulky and hinder efficient transportation. . Further, the protruding mounting jig is likely to come into contact with other objects during transportation or installation, and may be deformed or damaged.

  Then, this invention aims at providing the attachment apparatus of the solar cell module which can perform installation work on-site easily while not reducing conveyance efficiency.

  In order to achieve the above object, a solar cell module mounting device according to the present invention is a mounting device for mounting a solar cell module on a flat roof having a plurality of tops or protrusions, and the back surface of the solar cell module. A plurality of connecting rods that are substantially parallel to each other at intervals, a support body that can be pivotally or fixedly switched at an interval in the longitudinal direction of each of the connecting rods, and a lower end of the support body And a holding metal fitting for holding an arbitrary top portion or convex portion of the flat roof attached to the flat roof.

  Here, a flange through which the connecting rod is inserted is provided on the upper portion of the support, and rotation or fixing is switched by a fixing switching tool interposed between the flange and the connecting rod. It can be configured. Further, the fixing switching tool may be a screw, a bolt, or a pin, and a positioning hole for mounting the fixing switching tool on the connecting rod may be provided.

  Further, the holding metal fittings extend upward from the upper edge of one holding part and are folded back by being sandwiched between a pair of holding parts arranged with an arbitrary top or convex part of the flat roof, and the other holding part A connecting portion connected to the upper edge of the portion, and an insertion port that opens a part of the folded portion of the connecting portion, and the lower end of the support member is inserted into the insertion port so that the connecting portion faces each other. Two opposing surfaces of the connecting portion can be fastened by a bolt portion inserted through a through-hole penetrating the two surfaces and the support.

  In addition, the sandwiching portion is formed in a shape that matches the outer shape from the side surface of the top portion or the convex portion to the upper surface, and the connecting portion is formed by folding the plate member integrated with the sandwiching portion in half, The insertion opening may be configured to be opened in a slit shape in a portion excluding both side edges of the connection portion.

  Furthermore, two said support bodies from which a short length differs from a long length are attached to each said connection rod, and the length of the short support body attached to each connection rod and a long support body is equal. And the structure used as the upper frame side of the said solar cell module may be sufficient as the attachment position of a elongate support body.

  In the solar cell module mounting device of the present invention configured as described above, a support is attached to the connecting rod that is passed to the back surface of the solar cell module so that the rotation or fixation can be switched. And the clamp which clamps the top part or convex part of a flat roof is attached to the lower end of the support body.

  For this reason, it is possible to efficiently carry by storing the part ahead of the support body on the back side of the solar cell module at the time of transport. In addition, the installation work can be performed simply by rotating the support body at the time of installation. Since most of the process ends, the solar cell module can be easily installed.

  In addition, if the rotation and fixing can be switched by a fixing switching tool interposed between the flange and the connecting rod provided on the upper part of the support, the storage work before the support is transported and the awakening at the time of installation is possible. Work can be done quickly.

  Furthermore, if a positioning hole for attaching the fixing switching tool to the connecting rod is provided in advance, the fixing position of the support is easily determined, and the labor of positioning work can be reduced.

  Moreover, if a clamping part can be crimped | bonded to a top part or a convex part only by fastening a bolt part, a solar cell module can be rapidly fixed to a flat roof. Furthermore, by forming the shape of the sandwiching portion into a shape that matches the outer shape from the top surface of the folded plate roof or the side surface of the convex portion to the upper surface, the degree of adhesion with the top portion or the convex portion can be increased and can be made difficult to shift. .

  And if the short support body of the same length and the long support body of the same length are attached to the plurality of connecting rods, it is easy to install the solar cell module obliquely at a predetermined angle. Can be.

It is the perspective view which looked at the back surface of the solar cell module in order to demonstrate the structure of the attachment apparatus of embodiment of this invention. It is explanatory drawing which looked at the support body and the clamping metal fitting from the side. It is a figure explaining the state in which the support body was accommodated in the back surface of the solar cell module, (a) is a bottom view, (b) is sectional drawing seen from the arrow direction of (a). It is the perspective view which showed the state which attached the clamping metal fitting to the top part of the folded-plate roof. It is sectional drawing explaining the attachment structure of a solar cell module.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The attachment device 3 for the solar cell module 1 of the present embodiment is provided on the back surface 1a of the solar cell module 1 as shown in FIG.

  Moreover, the solar cell module 1 is attached to the folded-plate roof 2 as a flat roof as shown to FIG. The folded plate roof 2 is a flat roof provided with top portions 21 at a predetermined pitch.

  Such a folded plate roof 2 is formed of, for example, a corrugated polyvinyl chloride coated steel plate, and the bent chevron becomes the top portion 21 as shown in FIG. Moreover, as shown in FIG. 5, the roof frame 22 and the ceiling 23 which support it are provided under the folded-plate roof 2. As shown in FIG.

  As shown in FIG. 1, the attachment device 3 according to the present embodiment includes two connecting rods 34, 34 that are passed approximately parallel to the back surface 1 a of the solar cell module 1 at intervals, and the respective connecting rods 34 and 34. The support metal fittings 32A and 32B as support bodies that are attached so as to be capable of switching between rotation and fixation at intervals in the longitudinal direction of the rod 34, and the holding metal fitting 31 attached to the lower ends of the respective support metal fittings 32A and 32B are mainly used. In preparation.

  On the back surface 1a of the solar cell module 1 having a rectangular shape in plan view, the upper frame 11 and the lower frame 12 are attached to the edge on the long side, and the side frames 13 and 13 are attached to the edge on the short side.

  A columnar connecting rod 34 is handed over the upper frame 11 and the lower frame 12. The connecting rod 34 is passed in the vicinity of the side frame 13 and substantially parallel to the side frame 13. Further, both end portions of the connecting rod 34 are fixed to the upper frame 11 and the lower frame 12 by fixing brackets 35, 35.

  The support fittings 32A and 32B include a long support fitting 32A attached in the vicinity of the upper frame 11 and a short support fitting 32B attached in the vicinity of the lower frame 12, but are different in length. Below, a structure is demonstrated as the support metal fitting 32. FIG.

  As shown in FIGS. 1 and 2, the support fitting 32 includes a rectangular plate-shaped main body portion 322 whose upper edge is formed in a semicircular shape, and an insertion portion 323 extending from the lower edge of the main body portion 322 at a predetermined angle. And a cylindrical flange 321 provided on the upper portion of the main body 322.

  The flange 321 is a joint portion through which the connecting rod 34 is inserted. The flange 321 is provided with a hole 321a into which a screw 321b as a fixing switching tool is inserted.

  If a positioning hole 341 is provided in the connecting rod 34 in accordance with the positional relationship between the support fitting 32 and the connecting rod 34 when the solar cell module 1 is attached to the top 21 of the folded roof 2, the hole 321 a of the flange 321 is positioned. By tightening the screw 321b in accordance with the hole 341, the support fitting 32 can be fixed to a predetermined position of the connecting rod 34.

  On the other hand, the height at which the solar cell module 1 is supported can be changed by changing the length of the main body 322 of the support fitting 32. FIG. 5 shows a state in which a short support fitting 32B is arranged on the lower frame 12 side of the inclined solar cell module 1 and a long support fitting 32A is arranged on the upper frame 11 side.

  That is, the difference in length between the support fitting 32A installed on the upper frame 11 side and the support fitting 32B installed on the lower frame 12 side defines the inclination angle of the solar cell module 1 installed thereon. become. The angle between the main body 322 and the insertion portion 323 is set according to the angle at which the solar cell module 1 is desired to be installed.

  If it is such a structure, solar power generation can be performed efficiently by using the same component for the connecting rod 34 and the clamping metal fitting 31 described later, and making the support metal fittings 32A and 32B metal fittings of a desired length. It is possible to easily install the solar cell module 1 at an inclination angle.

  As shown in FIGS. 2 and 4, the sandwiching metal 31 extends upward from a pair of sandwiching portions 311, 311 disposed across the top portion 21 of the folded plate roof 2 and one sandwiching portion 311. The connecting portion 312 that is folded and connected to the upper edge of the other holding portion 311, the insertion port 313 that opens a part of the folded portion 312 a of the connecting portion 312, and the two opposing surfaces of the connecting portion 312 pass through. Through-holes 314 are provided.

  For example, the sandwiching portions 311 and 311 and the connecting portion 312 are formed by bending a single stainless steel plate. Further, the sandwiching portions 311 and 311 are each formed into a bowl shape that matches the outer shape from the side surface to the upper surface of the top portion 21 (see FIGS. 2 and 4).

  Then, the connecting portion 312 extending straight upward from the upper edge of the one sandwiching portion 311 is folded in half at the middle folded portion 312a and is extended toward the upper edge of the other sandwiching portion 311. That is, two opposing surfaces of the sandwiching portions 311 and 311 and the connecting portion 312 are formed symmetrically with respect to the perpendicular from the folded portion 312a.

  A through hole 314 penetrating in the horizontal direction is formed in two faces of the connecting portion 312 that are folded in two and facing each other. The through hole 314 is provided at a position where the clamping portions 311 and 311 move in the closing direction when a bolt portion 33 described later is attached and tightened.

  In addition, the folded portion 312a of the connecting portion 312 is formed with an insertion port 313 in which a portion excluding both side edges is cut out in a slit shape so as to be slightly wider than the width of the insertion portion 323 of the support fitting 32. ing.

  Further, the insertion port 313 is communicated with a hollow portion between two opposing surfaces of the connecting portion 312. Then, the insertion portion 323 of the support fitting 32 is inserted into the insertion port 313.

  A through hole 323 a is formed in the insertion portion 323 of the support metal fitting 32 at a position where the insertion portion 323 communicates with the through hole 314 of the connecting portion 312 when inserted from the insertion port 313. That is, the through holes 314 and 323 a that penetrate the two opposing surfaces of the connecting portion 312 and the insertion portion 323 of the support fitting 32 are formed.

  The bolt portion 33 includes a bolt 331 that is inserted into the through hole 314 of the connecting portion 312 and the through hole 323a of the insertion portion 323, and a nut 332 that is screwed to the bolt 331.

  Next, the construction method of the attachment structure of the solar cell module 1 using the attachment device 3 of the present embodiment will be described.

  First, at a factory, as shown in FIG. 1, connecting rods 34 and 34 are attached to the back surface 1 a of the solar cell module 1 in the vicinity of the side frames 13 and 13 so as to be parallel to them.

  The connecting rod 34 is attached by pressing both ends of the connecting rod 34 to the upper frame 11 and the lower frame 12 with the fixing brackets 35 and 35 in a state where the support fittings 32A and 32B are inserted through the connecting rod 34. Do it.

  Then, the support fittings 32A and 32B are rotated with the connecting rod 34 as an axis, and the screw 321b inserted into the hole 321a of the flange 321 is tightened at a position closest to the back surface 1a of the solar cell module 1 to perform temporary fixing. . Here, the connecting rod 34 can be provided with a positioning hole 341 for temporary fixing at the temporary fixing position. Alternatively, the temporary fixing may be performed only by the pressure pressing the tip of the screw 321b against the peripheral surface of the connecting rod 34. This temporary fixing operation is performed on all of the four support fittings 32A, 32B, 32A, 32B.

  Subsequently, as shown in FIG. 3B, the solar cell module 1 in which the support fittings 32 </ b> A, 32 </ b> B,. At this time, the solar cell module 1 is placed in the vicinity of the installation position, but the top portions 21,... And the support fittings 32A, 32B,. That is, the support fittings 32A, 32B,... Are arranged between the top portions 21, 21. And the roof panel 20 and the solar cell module 1 are united and conveyed to the field.

  At the site, the roof panel 20 is installed using a crane. The solar cell module 1 is also arranged on the folded plate roof 2 by the installation of the roof panel 20. Subsequently, the screws 321b,... That have been temporarily fixed are loosened, and the solar cell module 1 is raised while the support fittings 32A, 32B, 32A, 32B are rotated by their own weight.

  Then, the hole 321a of the flange 321 of the support fitting 32A (32B, 32A, 32B) is aligned with the positioning hole 341 of the connecting rod 34, and the screw 321b is tightened and fixed.

  Subsequently, as shown in FIG. 4, the top portion 21 of the folded plate roof 2 is sandwiched between the sandwiching portions 311 and 311, the bolts 331 or the nuts 332 of the bolt portion 33 are tightened, and the two opposing surfaces of the connecting portion 312 are interposed therebetween. The inserted insertion part 323 is tightly coupled.

  Through the above operation, the solar cell module 1 can be installed in an inclined state as shown in FIG.

  Next, the effect | action of the attachment apparatus 3 of the solar cell module 1 of this Embodiment is demonstrated.

  The thus configured solar cell module 1 mounting device 3 according to the present embodiment is supported by the connecting rod 34 that is passed to the back surface 1a of the solar cell module 1 so that the rotation or fixation can be switched. Metal fittings 32A, 32B... Are attached. And the clamping metal fitting 31 which clamps the top part 21 of the folded-plate roof 2 is attached to the lower end of support metal fittings 32A, 32B ..., respectively.

  For this reason, at the time of conveyance, a part ahead from support metal fittings 32A, 32B ... can be accommodated in the back surface 1a side of the solar cell module 1, and conveyance can be performed now efficiently. That is, if the support fittings 32A, 32B,... Are substantially parallel to the back surface 1a of the solar cell module 1, there are few portions protruding from the back surface 1a, and the thickness of the solar cell module 1 does not increase significantly. For this reason, the occupied volume at the time of conveyance does not increase and the conveyance cost does not increase.

  In addition, since most of the installation work is completed simply by rotating the support fittings 32A, 32B,... During installation on site, the solar cell module 1 can be installed easily.

  Further, if the rotation and fixation can be switched depending on the tightening degree of the screw 321b passed through the hole 321a of the flange 321 provided at the upper part of the support metal 32A, 32B..., The support metal 32A, 32B. It is possible to quickly perform storage work before transfer and wake-up work during installation.

  If the positioning hole 341 for attaching the screw 321b to the connecting rod 34 is provided, the fixing positions of the support fittings 32A, 32B,... Can be determined easily, and the labor of positioning work can be reduced.

  Furthermore, since a pair of clamping parts 311 and 311 which clamp the top part 21 of the folded-plate roof 2 are connected by the connection part 312 and become the one clamping metal fitting 31, the separate clamp separately divided into the right and left of the past is attached. The pinching metal fitting 31 can be easily fitted to the top portion 21 without causing positional displacement as in the case of time.

  In addition, since the support fittings 32A and 32B having the body portion 322 having an arbitrary length can be inserted into the insertion port 313 of the connecting portion 312, the height and angle for supporting the solar cell module 1 can be easily adjusted. Can do. Furthermore, the inclination angle between the main body portion 322 and the insertion portion 323 can be easily adjusted by simply replacing the support fittings 32A and 32B with other support fittings 32.

  Further, a connecting portion for crimping the clamping portions 311 and 311 to the top portion 21 only by tightening the bolt 331 or the nut 332 inserted into the through hole 314 of the clamping fixture 31 and the through hole 323a of the support fitting 32A (32B). 312 can be tied.

  For this reason, the installation of the solar cell module 1 is facilitated, and the installation of the solar cell module 1 is performed only by changing the length of the supporting metal fitting 32 (32A, 32B) to be attached and the inclination angle between the main body 322 and the insertion portion 323. The angle can be easily adjusted.

  That is, since the solar cell module 1 has different power generation efficiency depending on the direction with respect to the sun, if the installation angle of the solar cell module 1 can be adjusted by changing the support bracket 32 (32A, 32B), it is easy to obtain an optimum installation angle. Can be.

  In addition, by forming the sandwiching portions 311 and 311 into a shape that matches the outer shape from the side surface to the top surface of the top portion 21 of the folded roof 2, the degree of close contact with the top portion 21 is increased and it is difficult to shift. .

  The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific configuration is not limited to this embodiment, and design changes that do not depart from the gist of the present invention are not limited to this embodiment. Included in the invention.

  For example, in the said embodiment, although the case where the clamping metal fitting 31 of the attachment apparatus 3 was attached to the top part 21 of the folded-plate roof 2 as a flat roof was demonstrated, it is not limited to this, A corrugated slate as a flat roof The attachment device of the present invention can also be applied to the case where the holding metal fitting is attached to the top of the roof of the plate, corrugated zinc iron plate, corrugated glass, and corrugated plastic plate.

  Moreover, the structure of the attachment apparatus applied to the square tile-bar part which is the convex part may be made into the flat roof that the steel-plate tile-bar roof that the core material called a tile rod was provided with the predetermined pitch may be sufficient. .

  Furthermore, in the above-described embodiment, the case where the support brackets 32A and 32B having different lengths are mounted on one connecting rod 34 has been described. However, the present invention is not limited to this, and a support body having the same length is mounted. Thus, the solar cell module 1 can be attached in parallel to the roof surface. Moreover, the structure which attaches three or more support bodies to the one connection rod 34 may be sufficient.

  Furthermore, although the said embodiment demonstrated the case where the two connection rods 34 and 34 were attached to one solar cell module 1, it is not limited to this, Three or more connection rods 34, ... can also be attached.

  Moreover, although the said embodiment demonstrated the case where the solar cell module 1 could be installed in the predetermined angle which provided the positioning hole 341 in the connecting rod 34, it is not limited to this, A connecting rod The structure which can fix a support body in the arbitrary positions of 34 may be sufficient.

  Further, in the above embodiment, when the support fittings 32A and 32B are accommodated on the back surface 1a side of the solar cell module 1, the screws 321b are tightened and temporarily fixed and then placed on the roof panel 20, but this is not limitative. Is not to be done. If the support metal fittings 32A and 32B are placed on the roof panel 20 in a rotatable state, the support metal fittings 32A and 32B hang down by their own weights just by raising the solar cell module 1 on site, and the installation work can proceed quickly. it can.

  In the above-described embodiment, the screw 321b is used as the fixed switching tool. However, the present invention is not limited to this, and a tapping screw, a bolt, a pin, or the like can be used as the fixed switching tool.

1 Solar cell module 11 Upper frame 2 Folded plate roof (flat roof)
21 Top part 3 Mounting jig 311 Holding part 312 Connection part 312a Folding part 313 Insertion port 314 Through-hole 32 Support metal fitting (support body)
32A support bracket (long support)
32B Support bracket (short support)
321 Flange 321a Drilling 321b Screw (fixed switching tool)
323 Insertion part 323a Through hole 33 Bolt part 34 Connecting rod 341 Positioning hole

Claims (6)

An attachment device for attaching a solar cell module to a flat roof having a plurality of tops or projections,
A plurality of connecting rods that are spaced substantially parallel to each other on the back surface of the solar cell module;
A support attached to be capable of switching between rotation and fixation at intervals in the longitudinal direction of each of the connecting rods;
A holding metal fitting for holding an arbitrary top or convex portion of the flat roof attached to the lower end of the support ,
A flange through which the connecting rod is inserted is provided at an upper portion of the support body, and rotation or fixing is switched by a fixing switching tool interposed between the flange and the connecting rod. A solar cell module mounting apparatus. The solar cell module attachment according to claim 1 , wherein the fixing switch is a screw, a bolt, or a pin, and a positioning hole for mounting the fixing switch on the connecting rod is provided. apparatus. The holding metal fittings are a pair of holding parts arranged across an arbitrary top or convex part of the flat roof, and are extended upward from the upper edge of one holding part and folded back so as to be connected to the other holding part. It has a connecting part connected to the upper edge, and an insertion opening that opens a part of the folded part of the connecting part,
The lower end of the support is inserted into the insertion port, and the two opposing surfaces of the connecting portion are fastened by the bolt portions inserted through the two opposing surfaces of the connecting portion and the through hole penetrating the support. mounting device of a solar cell module according to claim 1 or 2, characterized in that to. An attachment device for attaching a solar cell module to a flat roof having a plurality of tops or projections,
A plurality of connecting rods that are spaced substantially parallel to each other on the back surface of the solar cell module;
A support attached to be capable of switching between rotation and fixation at intervals in the longitudinal direction of each of the connecting rods;
A holding metal fitting for holding an arbitrary top or convex portion of the flat roof attached to the lower end of the support,
The sandwiching metal fittings are a pair of sandwiching portions arranged sandwiching an arbitrary top portion or convex portion of the flat roof, and are extended upward from the upper edge of one sandwiching portion and folded back to be the other sandwiching portion. It has a connecting part connected to the upper edge, and an insertion opening that opens a part of the folded part of the connecting part,
The lower end of the support is inserted into the insertion port, and the two opposing surfaces of the connecting portion are fastened by the bolt portions inserted through the two opposing surfaces of the connecting portion and the through hole penetrating the support. mounting apparatus solar cell module that characterized thereby. The sandwiching portion is formed in a shape that matches the outer shape from the side surface to the top surface of the top portion or the convex portion, and the connecting portion is formed by folding a plate material integrated with the sandwiching portion into two, The solar cell module mounting device according to claim 3 or 4, wherein the insertion opening is opened in a slit shape in a portion excluding both side edges of the folded portion of the connecting portion.   Each of the connecting rods is attached with the two supports having different short and long lengths, and the lengths of the short support and the long support attached to each connecting rod are equal, and The solar cell module mounting device according to any one of claims 1 to 5, wherein a mounting position of the long support is on an upper frame side of the solar cell module.