Solar panel installation method

Abstract

To provide a method for installing a solar panel on a roof, which can easily reinforce the load-bearing performance of the end of the solar panel.SOLUTION: Provided is a solar panel installation method in which panel mounting brackets A are fixed to a plurality of locations on a seam portion 2 of a roof 1 and a solar panel 3 is fixed onto the roof 1 via these fixed panel mounting brackets A. A panel deflection prevention device B is used in combination with the panel mounting bracket A, the panel deflection prevention device having a pair of fixing bracket portions 4 that can be fixed to the seam portion 2 and a panel support rail portion 5 having a length that can span at least two adjacent seam portions 2 and installed between the pair of fixing bracket portions 4.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a method for installing solar panels on a roof. [Background technology]

[0002] A known method of installing solar panels on vertically roofed roofs, such as folded-plate roofs and standing flat roofs, is to clamp and fix a panel mounting bracket to the roof using the seam of the roof, and then install the solar panel on the roof via this fixed panel mounting bracket (see, for example, Figure 2 of Patent Document 1 below). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 6039624 Summary of the Invention [Problem to be solved by the invention]

[0004] In a method of installing solar panels that uses a panel mounting bracket that is clamped and fixed to this type of seam, the fixing position of the panel mounting bracket on the roof is limited to the position of the seam (it is not possible to finely adjust the position of the panel mounting bracket in a direction perpendicular to the roof slope (the length direction of the seam) (in the direction of the roof beams)).

[0005] For this reason, it is desirable to support and fix at least the four corners of a solar panel with panel mounting brackets, but (although this varies depending on the size of the solar panel used) when the corners of one side end of the solar panel in the horizontal direction corresponding to the roof girder direction are aligned with the panel mounting brackets and supported, the other side end of the solar panel often does not align with the seam (the panel mounting bracket fixed to the seam), and in this case, the other side of the solar panel has to be supported and fixed at the middle part in the horizontal direction with the panel mounting brackets, and as a result, the other side end of the solar panel is installed in a state where it protrudes outward longer than the panel mounting bracket (seam position) (see Figure 1). If a lot of snow accumulates on the other side end of a solar panel installed in this way or if a person stands on it, the solar panel may bend downward and deform without being able to withstand the load.

[0006] The present invention focuses on and seeks to solve the problems associated with the installation method of solar panels using panel mounting brackets that are fixed to such seams, and provides a solar panel installation method that can easily reinforce the load-bearing capacity of the solar panel (prevent bending deformation of the solar panel ends) by using a panel deflection prevention device that supports the solar panel ends in addition to the panel mounting brackets. [Means for solving the problem]

[0007] The gist of the present invention will now be described with reference to the accompanying drawings.

[0008] A solar panel installation method in which panel mounting brackets A are fixed to a plurality of locations on a seam 2 of a roof 1, and solar panels 3 are fixed onto the roof 1 via the plurality of panel mounting brackets A, The solar panel installation method uses a panel deflection prevention device B, which has a pair of fixing metal parts 4 that can be fixed to the seam part 2 and has a panel support rail part 5 that has a length that can span at least two adjacent seam parts 2, installed between the pair of fixing metal parts 4, in combination with the panel mounting metal part A, This solar panel installation method is characterized in that a pair of fixing bracket parts 4 of the panel deflection prevention device B are fixed to one of the seams 2A to which the panel mounting bracket A for fixing the end portion of the solar panel 3 is fixed, and to another seam part 2B adjacent to this one seam part 2A and positioned outward of the end of the solar panel 3 fixed to the panel mounting bracket A fixed to this one seam part 2A, and the end of the solar panel 3 protruding outward from the panel mounting bracket A fixed to the one seam part 2A is supported from below by the panel support rail part 5 of the panel deflection prevention device B that is bridged between this one seam part 2A and the other seam part 2B.

[0009] In addition, in a solar panel installation method in which panel mounting brackets A are fixed to a plurality of locations on a seam 2 of a vertical roof 1, and a solar panel 3 is fixed onto the vertical roof 1 via the plurality of fixed panel mounting brackets A, This relates to a solar panel installation method as described in claim 1, characterized in that a pair of fixing bracket portions 4 of the panel deflection prevention device B are fixed to one of the seams 2A to which the panel mounting bracket A is fixed for fixing the end portion of the solar panel 3 in a direction perpendicular to the longitudinal direction of the seam portion 2, and to another seam portion 2B adjacent to this one seam portion 2A and positioned outward of the end of the solar panel 3 fixed to the panel mounting bracket A fixed to this one seam portion 2A, and the panel support rail portion 5 of the panel deflection prevention device B, which is bridged between this one seam portion 2A and the other seam portion 2B, supports from below the end of the solar panel 3 protruding outward from the panel mounting bracket A fixed to the one seam portion 2A.

[0010] Furthermore, the panel deflection prevention device B relates to a solar panel installation method described in any one of claims 1 and 2, characterized in that the panel support rail portion 5 is configured to support a metal frame portion 6 on the outer periphery of the solar panel 3.

[0011] The panel deflection prevention device B relates to a solar panel installation method described in any one of claims 1 and 2, characterized in that the fixing metal part 4 has a clamping mechanism 7 that clamps and fixes it to the seam part 2.

[0012] The panel deflection prevention device B relates to a solar panel installation method described in any one of claims 1 and 2, characterized in that the panel support rail portion 5 is configured to support from below both of the butt ends of the two solar panels 3 that are installed and fixed adjacent to each other. Effect of the Invention

[0013] Because the present invention is configured as described above, even if the middle part of the solar panel is supported and fixed by the panel mounting bracket and the end of the solar panel is installed in a state where it protrudes outward longer than the panel mounting bracket (at the juncture position), the end of the solar panel is supported from below by the panel support rail of the panel deflection prevention device. Therefore, even if a load due to a large amount of snow or the like is applied to the solar panel, this load is supported by the panel support rail of the panel deflection prevention device and prevents the solar panel from bending and deforming downward, resulting in an extremely practical solar panel installation method.

[0014] In addition, the invention described in claim 2 provides a highly practical solar panel installation method that reliably achieves the above-mentioned effects when installing solar panels on a vertically-roofed roof.

[0015] In addition, in the invention described in claim 3, the panel support rail portion of the panel deflection prevention device supports the metal frame portion at the end of the solar panel, thereby providing a more practical solar panel installation method that reliably prevents deflection.

[0016] In addition, the invention described in claim 4 provides a solar panel installation method that is easier to install and more practical, since the panel deflection prevention device can be easily and firmly clamped and fixed to the roof seam.

[0017] In addition, in the invention described in claim 5, when installing solar panels on a roof, many solar panels are often installed side by side. In such cases, the panel deflection prevention device supports both of the butt ends of two adjacent (side by side) solar panels, thereby reinforcing and preventing the ends of both solar panels from deflecting, making it an even more practical solar panel installation method. [Brief description of the drawings]

[0018] [Figure 1] FIG. 1 is a schematic explanatory perspective view showing the present embodiment. [Diagram 2] FIG. 2 is a perspective view showing a panel deflection prevention device according to the present embodiment. [Diagram 3] This is an explanatory partial enlarged oblique view with a portion of the solar panel cut away, showing the state in this embodiment where the lateral end of the solar panel installed at the very end in the roof girder direction is supported by a panel deflection prevention device. [Figure 4] This is an explanatory enlarged partial oblique view with a portion of the solar panel cut away, showing the state in this embodiment in which both butt ends of two solar panels installed adjacent to each other in the roof girder direction are supported by a panel deflection prevention device. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0019] BEST MODE FOR CARRYING OUT THE PRESENT DISCLOSURE The preferred embodiment of the present invention will be briefly described with reference to the drawings, showing the operation of the present invention.

[0020] The present invention is a solar panel installation method in which panel mounting brackets A are fixed to multiple locations on the seam 2 of a roof 1 and solar panels 3 are fixed onto the roof 1 via these fixed panel mounting brackets A. In addition to the panel mounting bracket A, a panel deflection prevention device B is also used, namely, a panel deflection prevention device B which has a pair of fixing bracket parts 4 that can be fixed to the seam 2 and has a panel support rail part 5 installed between the pair of fixing bracket parts 4 and which has a length that allows it to span at least two adjacent seam parts 2.

[0021] Specifically, the panel deflection prevention device B is installed on the roof by fixing a pair of fixing bracket parts 4 of the panel deflection prevention device B to one seam portion 2A to which the panel mounting bracket A for fixing the end portion of the solar panel 3 is fixed, and to another seam portion 2B adjacent to this one seam portion 2A and positioned outward from the end of the solar panel 3 fixed to the panel mounting bracket A fixed to this one seam portion 2A.

[0022] As a result, the end of the solar panel 3, which protrudes outward from the panel mounting bracket A fixed to one seam portion 2A and is located between the one seam portion 2A and the other seam portion 2B, is supported from below by the panel support rail portion 5 of the panel deflection prevention device B that is spanned between the one seam portion 2A and the other seam portion 2B.As a result, even if there is a lot of snow on the solar panel 3 or a person stands on it, the snow load and the like applied to the end of the solar panel 3 is supported by the panel support rail portion 5 of the panel deflection prevention device B, reinforcing the solar panel 3 and preventing downward bending deformation.

[0023] Therefore, it is desirable that the end position of the solar panel 3 can be fixed with the panel mounting bracket A, but in a solar panel installation method using the panel mounting bracket A which is fixed to the seam 2 of the roof 1, the fixing position of the panel mounting bracket A is limited to the position of the seam 2, and fine position adjustment in the direction perpendicular to the length of the seam 2 is not possible, so that the end of the solar panel 3 and the panel mounting bracket A fixed to the seam 2 do not match in position, and the panel mounting bracket A fixes an intermediate portion which does not reach the end of the solar panel 3, and the end of the solar panel 3 is installed in a state where it protrudes outward longer than the panel mounting bracket A (at the seam 2 position); however, even in such a case, according to the present invention, the end of the solar panel 3 can be easily reinforced by the panel deflection prevention device B, and deflection deformation can be prevented. EXAMPLES

[0024] A specific embodiment of the present invention will now be described with reference to the drawings.

[0025] In this embodiment, a panel mounting bracket A is fixed to a plurality of places on the seam 2 of the roof 1, and a solar panel 3 is fixed to the roof 1 via the plurality of panel mounting brackets A. In addition, the roof 1 in the drawing shows a vertically-roofed roof 1 (vertical roof 1) with a seam 2 (joint of roofing sheet material) having a length in the direction of the roof slope. In other words, this embodiment shows the case where it is applied to the solar panel installation method on a vertically-roofed roof 1, but it can also be applied to an installation method on a folded-plate roof (seam type) (the description "vertical roof" in claim 2 is used to include a folded-plate roof).

[0026] Although not shown in detail, the panel mounting bracket A of this embodiment has a clamping and fixing portion 15 at its lower part that clamps and fixes the seam portion 2 of the vertical roof 1 from the left and right, and a mounting surface portion 16 on which the end portion of the solar panel 3 (metal frame portion 6 on the outer periphery) is placed at its upper part, and a mounting bolt 17 that protrudes upright from this mounting surface portion 16. Then, after the panel mounting bracket A is fixed onto the vertical roof 1 via the clamping and fixing portion 15, the end portion of the solar panel 3 can be placed on the mounting surface portion 16, and the solar panel 3 (end portion) can be pressed and fixed to the panel mounting bracket A by tightening the panel pressing bracket 8 placed on the upper portion of the end portion of the placed solar panel 3 with a nut (not shown) screwed onto the mounting bolt 17 (see Figs. 3 and 4).

[0027] As shown in Fig. 2, the panel deflection prevention device B of this embodiment has a pair of fixing metal parts 4 that can be fixed to the seam 2, and a panel support rail part 5 having a length that can bridge between the two adjacent seam parts 2 is installed between the pair of fixing metal parts 4. In other words, the panel deflection prevention device B of this embodiment is configured to be fixed onto the standing flat roof 1 in a bridging state between the seam parts 2 at two locations by fixing each of the pair of fixing metal parts 4 to the two adjacent seam parts 2 (see Figs. 1, 3 and 4).

[0028] To explain the panel deflection prevention device B in more detail, the fixing metal part 4 has a clamping mechanism 7 that clamps and fixes to the seam part 2.

[0029] The clamping mechanism 7 of the fixing metal part 4 comprises a pair of opposing clamping bodies 10 on the left and right, each having a clamping part 9 at its lower part that clamps the seam part 2 from the outside, and a tightening bolt 11 arranged in a spanning state between the left and right opposing clamping bodies 10. When a tightening nut 12 threadedly attached to the tightening bolt 11 is tightened, the left and right opposing clamping bodies 10 approach each other, and the left and right clamping parts 9 tighten and clamp the neck part of the seam part 2 from both outsides, thereby attaching and fixing the seam part 2 to the seam part 2 (see Figures 3 and 4).

[0030] In addition, this fixing bracket part 4 has a rail mounting surface part (a horizontal surface not shown) on the upper part for placing the panel support rail part 5 on, and a rail mounting bolt 13 is erected in the center of this rail mounting surface part for attaching the panel support rail part 5 placed on this rail mounting surface part onto the fixing bracket part 4.

[0031] The panel support rail 5 is made of a metal strip and is configured to support the metal frame 6 on the outer periphery of the solar panel 3 on its flat upper surface. It is preferable that the panel support rail 5 is configured to have a height that allows it to constantly support the end (metal frame 6) of the solar panel 3 supported and fixed to the panel mounting bracket A when the panel deflection prevention device B is fixed to the vertical flat roof 1, but it may also be configured to be disposed in close proximity to the end (metal frame 6) of the solar panel 3 supported and fixed to the panel mounting bracket A, so that it abuts and supports the solar panel 3 when the solar panel 3 (end) moves slightly downward due to a load from above. Also, a panel deflection prevention device B equipped with a mechanism for adjusting the height of the panel support rail 5 may be used.

[0032] In addition, the panel support rail portion 5 has bolt holes (not shown) formed through both ends, and is configured so that the panel support rail portion 5 can be placed in a spanning state between a pair of fixing bracket portions 4 (their rail mounting surfaces) by inserting the rail mounting bolts 13 of the fixing bracket portions 4 through the bolt holes at both ends, and the panel support rail portion 5 is fixed onto the pair of fixing bracket portions 4 by tightening the rail mounting nuts 14 screwed onto the rail mounting bolts 13 that protrude upward from the bolt holes of the panel support rail portion 5.

[0033] Next, the solar panel installation method of this embodiment using (combining) the panel mounting bracket A and the panel deflection prevention device B will be described with reference to Figs.

[0034] Panel mounting brackets A are fixed to multiple locations on the seam 2 of a vertically-roofed roof 1 (the drawing shows four locations on the top, bottom (top and bottom in the roof slope direction), left and right for each solar panel 3), and the solar panel 3 is fixed onto the vertically-roofed roof 1 via these multiple panel mounting brackets A. In this embodiment, the panel deflection prevention device B is installed on the roof 1 by fixing a pair of fixing bracket parts 4 of the panel deflection prevention device B to one seam 2A to which the panel mounting bracket A is fixed for fixing the end portion of the solar panel 3 corresponding to the roof girder direction, and to another seam part 2B adjacent to this one seam part 2A and positioned outward from the roof girder direction end of the solar panel 3 fixed to the panel mounting bracket A fixed to this one seam part 2A (the panel deflection prevention device B is installed in an erected state between the one seam part 2A and the other seam part 2B on the roof 1).

[0035] More specifically, a panel deflection prevention device B is installed so as to be located between the panel mounting brackets A fixed to the upper and lower sides of the roof slope of one seam portion 2A, and a panel support rail portion 5 is arranged below the roof girder direction end of the solar panel 3. Also, in this embodiment, as shown in Fig. 1, the panel deflection prevention device B is installed in two locations, near the lower side of the panel mounting bracket A fixed to the upper side of the roof slope of one seam portion 2A, and near the upper side of the panel mounting bracket A fixed to the lower side of the roof slope of one seam portion 2A, and the case where the upper and lower points of the roof girder direction end of the solar panel 3 are supported by the panel deflection prevention device B is shown.

[0036] Then, the end of this solar panel 3 corresponding to the roof girder direction protrudes outward from the panel mounting bracket A fixed to one seam portion 2A and exists between the one seam portion 2A and the other seam portion 2B, but is supported from below in abutting or close proximity to the panel support rail portion 5 of the panel deflection prevention device B that is spanned between the one seam portion 2A and the other seam portion 2B.As a result, even if there is a lot of snow on the solar panel or a person stands on it, the snow load etc. applied to the girder direction end of the solar panel 3 is supported by the panel support rail portion 5 of the panel deflection prevention device B, and the end of the solar panel 3 is reinforced and prevented from bending and deforming downward.

[0037] Therefore, in the solar panel installation method using panel mounting bracket A which is fixed to the seam 2 of roof 1, the fixing position of panel mounting bracket A is limited to the position where seam 2 is located, so ideally you would want to fix at least the four corners of the solar panel 3 with panel mounting bracket A; however, as shown in Figures 1 and 3, the position of the end of the solar panel 3 corresponding to the roof girder direction and the panel mounting bracket A fixed to the seam 2 do not match, and this panel mounting bracket A fixes an intermediate position which does not reach the end of the solar panel 3 in the roof girder direction, so that the end of the solar panel 3 corresponding to the roof girder direction is installed in a state where it protrudes outward (towards the girder) longer than the panel mounting bracket A (at seam 2 position); however, even in such a case, the end of the solar panel 3 can be easily reinforced by the panel deflection prevention device B, and deflection deformation can be prevented.

[0038] In addition, the panel deflection prevention device B of this embodiment can also support from below both of the butt ends of the two solar panels 3 in which the panel support rail portion 5 is installed and fixed adjacent to each other in the girder direction (see Figures 1 and 4).

[0039] Incidentally, the present invention is not limited to the present embodiment, and the specific configuration of each component can be designed as appropriate. [Explanation of symbols]

[0040] 1 Roof - Vertical Roof 2. Goby 2A First Goby Division 2B Other goby parts 3. Solar Panels 4 Fixing bracket part 5 Panel support rail 6 Metal frame part 7 Clamping mechanism A Panel mounting bracket B Panel deflection prevention device

Claims

1. A solar panel installation method in which panel mounting brackets are fixed to a plurality of points on a roof seam and solar panels are fixed onto the roof via the plurality of panel mounting brackets, The solar panel installation method uses a panel deflection prevention device, which has a pair of fixing metal parts that can be fixed to the seam portion, and a panel support rail part having a length that can be bridged between at least two adjacent seams, installed between the pair of fixing metal parts, in combination with the panel mounting metal parts, a panel support rail portion of the panel deflection prevention device that is disposed between the first and second seams and supports from below the end of the solar panel that protrudes outward from the panel mounting bracket that is fixed to the first seam; and a panel support rail portion of the panel deflection prevention device that is disposed between the first and second seams and supports from below the end of the solar panel that protrudes outward from the panel mounting bracket that is fixed to the first seam.

2. A solar panel installation method in which panel mounting brackets are fixed to a plurality of locations on the seam of a vertically shingled roof, and solar panels are fixed onto the vertically shingled roof via the plurality of fixed panel mounting brackets, 2. The solar panel installation method according to claim 1, further comprising the steps of: fixing a pair of fixing bracket portions of the panel deflection prevention device to one of the seams to which the panel mounting bracket for fixing the end portion of the solar panel in a direction perpendicular to the longitudinal direction of the seam is fixed, and to another seam portion adjacent to the one of the seams and positioned outward of the end of the solar panel fixed to the panel mounting bracket fixed to the one of the seams; and supporting from below the end of the solar panel protruding outward from the panel mounting bracket fixed to the one of the seams with the panel support rail portion of the panel deflection prevention device spanning between the one of the seams and the other seam portion.

3. 3. The solar panel installation method according to claim 1, wherein the panel deflection prevention device is configured so that the panel support rail portion can support a metal frame portion on the outer periphery of the solar panel.

4. 3. The solar panel installation method according to claim 1, wherein the panel deflection prevention device has a clamping mechanism for clamping and fixing the fixing metal part to the seam part.

5. 3. A solar panel installation method as claimed in claim 1, wherein the panel deflection prevention device is configured to support from below both of the butt ends of the two solar panels that are installed and fixed adjacent to each other with the panel support rail portion.

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