JP5674554B2 - Solar module mounting bracket on slate roof - Google Patents

Description

  The present invention relates to a solar module mounting bracket for mounting a solar module (solar cell module and / or heat collecting module) on a roof, and more particularly to a solar module mounting bracket on a slate roof.

  When installing a panel-like solar module such as a solar cell module or a heat collection module on a slate roof, fix the mounting bracket on the slate roof, attach a rail-shaped mount to this mounting bracket, and mount the solar module on this mount I have to.

  The solar module mounting bracket is fixed on the slate roof using screws and nails (specifically, it is fixed to a field board or rafters via the slate). In order to prevent water leakage from the slate through portion of the screw / nail, a sealant is applied around the edge of the joint surface between the mounting bracket and the slate and around the head of the screw / nail.

  Moreover, in patent document 1, the cover board which covers the upper part (including a screw and a head of a nail | claw) on the water side of a mounting bracket is provided, and the slate on which the mounting bracket is mounted on one end part on the water side of this cover board It is inserted into the overlapping portion with the upper slate.

JP 09-184264 A

However, the conventional general waterproofing treatment has a short service life, and it is structurally difficult to hold the sealing agent for a long period of time.
Moreover, although the method of obtaining waterproofness using the cover board inserted in the overlapping part of the slate like patent document 1 is a good idea, since the cover board is a separate body from the mounting bracket, the cover board If the screw is insufficiently fixed and another screw or the like is used for fixing the cover plate, a waterproof measure from the screw or the like becomes necessary.

  This invention makes it a subject to provide the solar module mounting bracket which can exhibit high waterproofness, even if it fixes to a slate roof using a screw and a nail | claw in view of such a real situation.

In order to solve the above-described problem, the solar module mounting bracket according to the present invention is placed on a slate, and one end portion on the water side is inserted into an overlapping portion between the slate and the upper slate. A base plate fixed on the slate at the left and right fixing portions under water, a solar module mounting rising portion that rises from the base plate, and a water upper side of the left and right fixing portions that rises from the base plate A draining rising part forming a wall covering the wall, and a seal rising from the base plate, extending to the water side connecting to the draining rising part, and having the left and right fixing parts as the bottom with the left and right fixing parts sandwiched therebetween agent and the rising portion a pair of seal grooves formed for forming a groove for filling the provided sealant groove for filling, the sealant groove for filling, sealing groove to the bottom left of the fixing unit And configured to include a ridge bisecting the seal groove to the bottom right of the fixed portion.

According to the present invention, rainwater can be prevented from sinking from the water upper side of the mounting bracket to the lower surface side of the mounting bracket by the base plate inserted into the overlapping portion of the slate.
Further, the draining rising portion (wall) can prevent rainwater flowing on the base plate from moving toward the fixed portion, and can improve waterproofness.

  In addition, the seal groove forming rising portion (seal groove) can hold a large amount of the sealing agent that waterproofs the fixing portion, and can be expected to perform reliable construction, and can further improve waterproofness.

The top view of the solar system which shows one Embodiment of this invention Perspective view of mounting bracket Plan view showing the mounting state of the mounting bracket to the slate roof Front view showing the mounting state of the mounting bracket to the slate roof Side view showing mounting state of mounting bracket to slate roof Top view and side view of lid member Top view of the mounting bracket cover Front view showing the mounting state of the mount and solar module with mounting bracket AA sectional view of FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a plan view of a solar system (module arrangement) showing an embodiment of the present invention.

  The solar system in the present embodiment is a power generation system using a solar cell module as a solar module, and is configured by arranging a plurality of rectangular fuel cell modules 1 in a matrix on a roof.

  In particular, in this example, the rectangular solar cell module 1 is arranged in a horizontally long manner with the short side of the roof being inclined (water-side to water-side), and vertically and horizontally in a matrix (4 × 4 in the figure). Are arranged side by side.

  The solar cell module 1 includes a rectangular frame 2 made of metal (for example, aluminum) and a PV panel 3 fitted in the upper part of the frame 2. The PV panel 3 is obtained by mounting solar cells in a matrix on transparent tempered glass (specifically, between two layers of glass plates), and generates power by receiving sunlight.

  When the solar cell module 1 is mounted on the slate roof, the mounting bracket 10 is fixed on the slate roof, the rail-shaped mount 30 is mounted on the mounting bracket 10, and the solar cell module 1 is mounted on the mount 30.

Here, a plurality of the gantry 30 are provided at an appropriate interval in a lateral direction orthogonal to the inclination direction of the roof (water upper side-water lower side), and each extends in the roof inclination direction.
Then, a plurality of (four in the figure) solar cell modules 1 in the vertical direction are supported on a pair of adjacent gantry 30, 30, and a fixing portion between the solar cell modules 1, 1 in the extending direction of each gantry 30. The frame 2 of the solar cell module 1 is fixed with X.

  Accordingly, the mounting bracket 10 is fixed to an appropriate position (for example, three locations) on the expected extending direction line of each pedestal 30 on the slate roof, and for example, the three mounting brackets 10 support one pedestal 30. .

Next, the mounting bracket 10 will be described with reference to FIGS.
2 is a perspective view of the mounting bracket (mounting bracket body), FIG. 3 is a plan view showing the mounting state of the mounting bracket to the slate roof, FIG. 4 is a front view showing the mounting state of the mounting bracket to the slate roof, FIG. FIG. 4 is a side view showing a mounting state of the mounting bracket to the slate roof.

  Prior to the description of the mounting bracket 10, the slate roof will be described with reference to FIGS. 4 and 5. The slate is arranged on a field plate N supported by a rafter T extending in the inclination direction of the roof via a roofing (waterproof sheet) R, and each slate S1, S2, S3,. For example, it is shifted by 1/3 in the inclination direction of the roof.

  The mounting bracket (main body) 10 is made of, for example, a galvalume steel plate and includes a base plate 11. The base plate 11 is placed on the slate S3 (specifically, on the three-layered slate S1 to S3, which are arranged to be shifted by 1/3 each in the inclination direction of the roof, for example), and one end part (insertion part) on the water side. ) 11a is fixed on the slate S3 by the fixing part 11b on the underwater side in a state where the 11a is inserted into the overlapping part of the slate S3 and the upper slate S4. Here, the fixing portion 11b is a fixing portion using screws (screws) or nails, and is formed with screw or nail insertion holes on the plate surface, in this example, 3 x 2 vertical insertion holes.

  An adhesive sheet 12 such as a butyl rubber sheet is affixed to the lower surface of the base plate 11 in order to enhance the adhesion with the slate S3. In this embodiment, between the insertion portion 11a of the base plate 11 and other portions. In addition, a step 11c corresponding to the thickness of the pressure-sensitive adhesive sheet 12 is provided, and the pressure-sensitive adhesive sheet 12 is attached only to a portion other than the insertion portion. This is to prevent the adhesive sheet from being squeezed and peeled off when the adhesive sheet is attached to the lower surface of the insertion part 11a. Therefore, when there is no fear of such peeling, the pressure-sensitive adhesive sheet 12 may be attached to the entire lower surface of the base plate 11 without providing a step.

  The mounting bracket (main body) 10 is also configured to include a pair of module (base) mounting rising portions 13 and 13 rising from the base plate 11. In this example, the module mounting rising portion 13 is formed by fixing the lower end portion of the plate material on the base plate 11 by welding.

  The module mounting rising portion 13 fixes the gantry 30 with a bolt 35 and a tapping screw 36 (see FIG. 8), and has a bolt insertion hole 13a and a screw insertion hole 13b. Further, in order to be able to adjust the mounting height of the gantry 30, the bolt insertion hole 13a is a long hole and the two screw insertion holes 13b are selectably provided.

  The mounting bracket (main body) 10 also includes a draining rising portion 14 that rises from the base plate 11 and forms a wall that covers the water side of the fixing portion 11b by screws or nails. In this example, the draining rising portion 14 is also formed by fixing the lower end portion of the plate material on the base plate 11 by welding.

  The draining rising portion 14 is formed in a square shape so that the intermediate portion in the extending direction (the central portion in the width direction of the mounting bracket 10) is convex on the water side. In addition, if it is convex on the water side, it may be arcuate.

  The mounting bracket (main body) 10 also rises from the base plate 11, extends to the lower side of the water draining rising portion 14, and has a fixing portion 11 b as a bottom portion with the fixing portion 11 b sandwiched by screws or nails. It includes a pair of rising portions 15 and 15 for forming a seal groove that form a groove for filling the agent (seal groove). In this example, the rising portion 15 for forming the seal groove is also formed by fixing the lower end portion of the plate material on the base plate 11 by welding.

  Further, in the present embodiment, the U-shaped cross section is formed on the base plate 11 between the pair of rising portions 15 and 15 for forming the seal groove and between the columns of the insertion holes forming the fixing portion 11b. The bent channel material 16 is welded with the open side down.

  Therefore, in the present embodiment, the seal groove 17A having the left fixed portion as the bottom is formed between the left seal groove forming rising portion 15 and the channel member 16, and the right seal groove forming rising portion 15 and A seal groove 17 </ b> B is formed between the channel member 16 and the right fixed part as a bottom.

Next, attachment of the mounting bracket 10 to the slate roof will be described.
The base plate 11 of the mounting bracket 10 is placed on the slate S3, and one end portion (insertion portion) 11a on the water side is inserted into the overlapping portion between the slate S3 and the slate S4 above it, and the lower surface of the base plate 11 Is adhered to the slate S3 through the adhesive sheet 12.

  Then, for example, a SUS screw 18 is inserted into an insertion hole of the fixing portion 11b (hereinafter referred to as a fixing portion using a screw) of the base plate 11, and the base plate 11 is fixed on the slate S3 by the screw 18. Specifically, as shown in FIG. 4 or FIG. 5, it is fixed to the field board N or the lower rafter T through three slate S1 to S3 and the roofing R.

  After fixing with the screw 18, since the head of the screw 18 is exposed at the bottom of the seal grooves 17A and 17B, the seal grooves 17A and 17B are filled with a silicon sealant 19 and solidified. Although not shown, a sealant is also applied around the edge of the joint surface between the base plate 11 of the mounting bracket 10 and the slate S3.

With such a structure, the following effects can be obtained.
(1) The base plate 11 (insertion portion 11a) inserted into the overlapping portion of the slate can prevent rainwater from sinking from the water upper side of the mounting bracket 10 to the lower surface side of the mounting bracket.
(2) The draining rising portion (wall) 14 can prevent rainwater flowing on the base plate 11 from moving toward the fixing portion 11b, thereby improving waterproofness.
(3) The seal groove forming rising portion (seal groove) 15 can hold a large amount of the sealant 19 that waterproofs the fixing portion 11b, and can be expected to be reliably constructed, further improving the waterproof property.
Moreover, the wall formed by the water draining rising portion 14 can further enhance the water draining effect because the intermediate portion in the extending direction is convex on the water side.

In the present embodiment, a lid member 20 is prepared in order to further enhance the waterproofness of the mounting bracket (main body) 10.
6A and 6B are a plan view and a side view of the lid member, and FIG. 7 is a plan view of the mounting member with the lid member mounted.

  The lid member 20 is engaged with the draining rising portion 14 and covers the upper part of the water draining rising portion 14, and has a square front edge 20 a that follows the shape of the draining rising portion 14. And an upper lid portion 20b extending downward from the front edge portion 20b. An adhesive sheet 21 such as a butyl rubber sheet is affixed to the inner surface of the front edge portion 20b in order to improve adhesion with the draining rising portion 14. A screw insertion hole 20c for fixing the upper lid portion 20b to the upper surface of the channel material 16 is formed at the center of the upper lid portion 20b.

  The lid member 20 is formed so as to cover at least the upper portions of the seal grooves 17A and 17B defined by the draining rising portion 14 and the sealing groove forming rising portions 15 and 15 (and the channel material 16). That's fine.

  Accordingly, the cover member 20 is put on the mounting bracket 10 from the state shown in FIG. 3 (filled with the sealant) and screwed with the tapping screw 22, so that rainwater or the like is directly applied to the sealant in the seal grooves 17A and 17B. Can be prevented, and the waterproofness can be further enhanced.

  That is, the mounting bracket main body (10), in which the mounting bracket 10 includes a base plate 11, a module mounting rising portion 13, a draining rising portion 14, and a seal groove forming rising portion 15. Further, by including the lid member 20 that covers the upper portion of the seal groove defined by the draining rising portion 14 and the seal groove forming rising portion 15, the waterproof property is further enhanced. be able to.

Next, the mounting structure of the mount 30 to the mounting bracket 10 in this embodiment will be described with reference to FIG.
FIG. 8 is a front view showing a mounting state of the mount 30 and the fuel cell module 1 by the mounting bracket 10.

  The pedestal 30 is an extruded product of aluminum having a rectangular cross section. A rail groove 32 is formed on both side surfaces of the nut 31 so as to be slidable and non-rotatable, and the head of the bolt 33 is slidable on the upper surface. A rail groove 34 that can be stored in a non-rotatable manner is formed.

  Accordingly, the gantry 30 is positioned between the pair of module mounting rising portions 13 and 13 of the mounting bracket 10, and the bolt 35 is set in the rail groove 32 through the bolt insertion hole 13 a (FIG. 5) of the mounting rising portion 13. The stand 30 can be fixed to the mounting bracket 10 by being screwed to the nut 31. Here, since the bolt insertion hole 13a is a long hole, the vertical position of the gantry 30 can be adjusted. After the adjustment, the tapping screw 36 is inserted into one of the two screw insertion holes 13b (FIG. 5) of the mounting bracket 10. Then, the tapping screw 36 is fixed to the gantry 30 with screws.

Next, the attachment structure of the solar cell module 1 to the gantry 30 in this embodiment will be described with reference to FIGS. 9 is a cross-sectional view taken along the line AA in FIG.
An L-shaped pressing portion 2 a is formed to protrude at the lowermost part of both side surfaces (long side) of the frame 2 of the solar module 1.

  The bolt 33 set in the rail groove 34 on the upper surface of the gantry 30 is fixed by a nut 37 at an intermediate portion thereof. A center hole portion of a downward U-shaped pressing metal fitting 38 is inserted into the tip end side of the bolt 33, and both downward ends of the pressing metal fitting 38 are made to be opposed to the pressing portion 2 a of the frame 2. Therefore, the frame 2 of the solar module 1 can be pressed and fixed by the presser fitting 38 by screwing the nut 39 onto the tip of the bolt 33 and tightening from above the presser fitting 38.

  In this embodiment, the draining rising portion 14 and the seal groove forming rising portions 15 and 15 are integrally connected by welding different members, but the draining rising portion 14 and the seal groove forming are formed. The rising portions 15 and 15 may be integrally formed from the beginning, and it is only necessary to form a sealing groove with the water upper side and both side portions as walls and with the water lower side open.

  In this embodiment, a partition member such as the channel member 16 is further provided between the pair of seal groove forming rising portions 15, 15. Such a partition member is a fixed portion 11 b of the base plate 11. According to the number of screws or nails used in the above and their arrangement, these may be selected and used as appropriate.

  Moreover, about the attachment aspect of the solar cell module 1 to the attachment metal fitting 10, this embodiment shows only one aspect, including the attachment aspect via the mount frame 30 and the horizontally long arrangement of the solar cell module 1. Any attachment mode may be used.

  Moreover, although the attachment metal fitting 10 was used for attaching the solar cell module 1, it may be used for fixing the heat collecting module. The heat collection module is configured to include a rectangular frame made of metal (for example, aluminum) and a heat collection panel fitted in an upper portion of the frame. The heat collecting panel is made of only a glass plate without a solar battery cell, and can effectively heat the internal air by receiving sunlight. Further, the present invention can be applied to a hybrid system in which a solar cell module and a heat collection module are arranged in combination.

  As described above, the illustrated embodiments are merely illustrative of the present invention, and the present invention is made by those skilled in the art within the scope of the claims in addition to those directly illustrated by the described embodiments. Needless to say, it includes various improvements and changes.

DESCRIPTION OF SYMBOLS 1 Solar cell module 2 Frame 2a Holding part 3 PV panel 10 Mounting bracket 11 Base board 11a Insertion part 11b Fixing part (insertion hole) with a screw or a nail
11c Step 12 Adhesive sheet 13 Module mounting rising portion 13a Bolt insertion hole 13b Screw insertion hole 14 Draining rising portion 15 Seal groove forming rising portion 16 Channel material 17A, 17B Seal groove 18 Screw 19 Sealing agent 20 Lid member 20a Front edge 20b Upper lid 20c Screw insertion hole 21 Adhesive sheet 22 Tapping screw 30 Mounting base 31 Nut 32 Rail groove 33 Bolt 34 Rail groove 35 Bolt 36 Tapping screw 37 Nut 38 Holding bracket 39 Nut S1, S2, S3, S4 Slate R Roofing N Base plate T Rafter X fixed part

Claims (3)

A mounting bracket fixed on the slate roof for mounting the solar module on the slate roof,
A base mounted on the slate and fixed on the slate by the right and left fixing parts on the water side with one end on the water side inserted into the overlapping part of the slate and the slate on the upper side The board,
A rising portion for mounting the solar module rising from the base plate;
A draining rising part that rises from the base plate and forms a wall that covers the water side of the right and left fixing parts;
A pair of seal grooves rising from the base plate, extending to the underwater side in continuation with the rising part for draining water, and forming a sealant-filling groove with the left and right fixed parts sandwiched between the left and right fixed parts A rising portion for forming;
Protrusions provided in the groove for filling the sealant, and dividing the groove for filling the sealant into a seal groove with the left fixed part as the bottom and a seal groove with the right fixed part as the bottom And
A solar module mounting bracket on a slate roof.   2. The solar module mounting bracket on a slate roof according to claim 1, wherein an intermediate portion in the extending direction of the wall is convex on the water side. The mounting bracket is
A mounting bracket main body configured to include the base plate, the rising portion for mounting the solar module, the rising portion for draining water, and the rising portion for forming the seal groove;
And a lid member that covers an upper part of the seal groove defined by the rising part for draining water and the rising part for forming the seal groove,
The solar module mounting bracket to a slate roof according to claim 1 or 2, characterized by comprising

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