JP6047186B2 - Roof structure - Google Patents

Description

  The present invention relates to a single-flow roof structure on which a high-power solar panel is mounted.

  In recent years, various homes equipped with solar panels have been proposed to protect the global environment. Related literature includes the following:

JP 2008-231914 A JP 2005-264618 A

  By the way, the prefabricated house has a roof dimension determined by an integral multiple of a preset module (for example, 900 mm).

  On the other hand, the solar panel is also formed by arranging a plurality of solar module panels of predetermined modules.

  Generally, since the module of the roof of a prefabricated manufacturer differs from the module of a solar panel manufacturer, it is difficult to mount a solar panel on the roof surface of a prefabricated house without a gap.

  For this reason, there is a problem that it is difficult to perform water effectively on the keraba side or the ridge side.

The present invention has been devised in view of the actual situation as described above, and has as its main object to provide a roof structure capable of flooding the ridge side.

The present invention is a roof structure in which a solar panel is mounted on a roof surface, a field plate, a metal base steel plate disposed on the outside of the field plate, and the outside of the field plate via the base steel plate The solar panel ridge side edge of the solar panel is terminated at a position reserved from the ridge, and the gap between the ridge and the solar panel edge is a ridge. A side decorative cover is arranged, and the base steel plate inside the solar panel extends to the ridge side through the inside of the ridge side decorative cover, and the position beyond the ridge side decorative cover to the ridge side And has a return portion folded upward .

In the roof structure according to the present invention, it is preferable that a roof edge cover for covering the return portion is attached to the ridge side of the return portion. The roof structure is preferably single-flow.

The roof structure of the present invention includes a metal base steel plate disposed on the outside of the base plate, and a solar panel fixed to the outside of the base plate via the base steel plate. The base steel plate, which is a non-combustible material, can provide a roof with excellent fire resistance.

  The base steel plate has a return portion that extends to the ridge side through the inside of the solar panel and is folded upward on the ridge side. Such a return portion can effectively flood the ridge side.

  A roof edge cover that covers the return portion is attached to the ridge side of the return portion. Since such a roof edge cover can cover the return portion, it is possible to improve the aesthetics on the wing side while preventing rainwater from entering the wing.

It is a front view of the building in which the roof structure of this embodiment was applied. It is a side view of FIG. It is A1-A1 sectional drawing of FIG. It is A2-A2 sectional drawing of FIG. It is an enlarged view of the ridge side of FIG. FIG. 4 is an enlarged view of the eaves side of FIG. 3. It is an enlarged view of the keraba side decorative cover of FIG.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the roof structure of the present invention is applied to a building B such as a house or a building, for example. The roof structure of the present embodiment is configured as a single flow having a gradient only in one direction from the ridge side S1 to the eaves side S2, for example. Such a single-flow roof structure provides, for example, a roof surface 2 having a wide single plane as compared with a roof such as a gable or a dormitory.

  As shown in FIGS. 3 and 4, the roof structure of the present embodiment includes a base plate 4 supported by a rafter 3 and the like, a metal base steel plate 5 arranged outside the base plate 4, and the base It includes a solar panel 6 fixed to the outside of the base plate 4 via a steel plate 5.

  The rafter 3 is attached to a roof beam 8 made of a steel material such as I-shaped steel or H-shaped steel via a fixing bracket 9. The rafter 3 of the present embodiment has a gradient that descends from the ridge side S1 toward the eave side S2. Further, the eaves-side base material 11 is fixed to the rafter 3 at the end of the eaves-side S2. An eaves ridge 12 is fixed to the eaves-side base material 11. Further, the rafter 3 is provided with a ridge-side base material 13 fixed to the end portion of the ridge side S1 and a keraba-side base material 14 fixed to the end portion of the keraba side S3.

  The base plate 4 is made of, for example, a high-strength structural plywood. The field plate 4 is fixed along the gradient of the rafter 3, for example. Moreover, it is desirable that a waterproof sheet layer (not shown) is laid on the outer surface of the field board 4 of the present embodiment, for example, in order to prevent rainwater from entering. Although it does not specifically limit as a waterproof sheet layer, Asphalt roofing, a moisture-permeable waterproof sheet, etc. which are excellent in waterproofness and a softness | flexibility are preferable.

  The base steel plate 5 of this embodiment is arrange | positioned on the outer side of the field plate 4 through a waterproof sheet layer (illustration omitted). The base steel plate 5 is made of a nonflammable metal. For this reason, the base steel plate 5 can constitute a roof having excellent fire resistance without using tiles or the like, for example.

  As shown in FIG. 4, the base steel plate 5 passes through the inside of the solar panel 6 and extends to the keraba side S3. Furthermore, the base steel plate 5 has a return portion 16 that is folded upward on the keraba side S3. Such a return part 16 prevents the rainwater on the upper surface of the base steel plate 5 from flowing around to the field plate 4 side on the keraba side S3, and can perform water effectively.

  Further, as shown in FIG. 5, the base steel plate 5 passes through the inside of the solar panel 6 and extends to the ridge side S <b> 1. Further, the base steel plate 5 of the present embodiment is provided with a return portion 19 that is folded upward on the ridge side S1. Such a return portion 19 can effectively flood the ridge side S1.

  As shown in FIG. 3, the solar panels 6 are arranged along the roof gradient. In this embodiment, since the roof surface 2 consists of a single plane, it is possible to arrange the solar panels 6 at a high density while minimizing restrictions on the dimensions (modules, etc.) between the solar panel 6 and the roof surface 2. it can. Therefore, in this embodiment, the mounting capacity of the solar panel 6 can be increased, and the power generation efficiency of the solar panel 6 can be improved. In order to improve the power generation efficiency of the solar panel 6, the roof surface 2 is preferably formed so as to face in the direction from southeast to southwest, for example. Furthermore, the roof slope is preferably 2 to 6 inches. The roof slope is measured on the upper surface of the solar panel 6.

Moreover, the mounting capacity of the solar panel 6 is preferably 10 kW or more. The mounting capacity of the solar panel 6 can be determined by multiplying the nominal maximum output per solar panel by the number of solar panels mounted on the roof surface 2. The nominal maximum output is a value measured at a spectral distribution AM1.5, irradiance 1 kW / m ² , and module temperature 25 ° C. based on JIS C8918.

  The solar panel 6 of the present embodiment is configured to include a solar cell module 17 disposed above the field board 4 and a fixing tool 18 that supports the solar cell module 17 on the field board 4.

  As shown in FIGS. 4 and 5, the fixing tool 18 is fixed to the base plate 4 via the base steel plate 5, and is fixed to the support portion 21 and holds the end of the solar cell module 17. The holding part 22 to be configured is included. In addition, the support portion 21 includes support brackets 24 (shown in FIG. 5) disposed on both ends of the solar cell module 17 in the flow direction of the roof, and horizontal rails 25 (FIG. 4) extending in a direction perpendicular to the flow direction of the roof. To be included).

  As shown in FIG. 4, the solar panel 6 terminates at least one end edge 6s, 6s on the keraba side in a direction perpendicular to the flow direction of the roof, in the present embodiment, at a position where it refrains from the keraba. ing. Thereby, a gap 26 is formed between the edge 6s on the keraba side of the solar panel 6 and the keraba.

  Further, as shown in FIG. 6, in the present embodiment, the edge 6 d on the eaves side of the solar panel 6 terminates at a position reserved from the eaves. Thus, a gap 27 is formed between the eaves side edge 6d of the solar panel 6 and the eaves. Further, as shown in FIG. 5, the edge 6u on the ridge side of the solar panel 6 terminates at a position reserved from the ridge. As a result, a gap 28 is formed between the edge 6u on the ridge side of the solar panel 6 and the ridge.

  Thus, in this embodiment, since the clearance gaps 26, 27, and 28 are formed in the keraba side S3, the eaves side S2, and the ridge side S1 of the roof surface 2, respectively, the solar panel 6 protrudes from the roof surface 2. It can arrange without.

  As shown in FIG. 4, a keraba-side decorative cover 31 is disposed in the gap 26 between the edge 6 s of the solar panel 6 and the keraba. Such a keraba-side decorative cover 31 can freely determine the size of the gap 26 without being restricted by the tile size (tile module, etc.). Therefore, the keraba-side decorative cover 31 is useful for maximally mounting the solar panel 6 on the roof surface 2 without worrying about the size of the gap 26.

  In the present embodiment, the base steel plate 5 passes through the inside of the keraba side decorative cover 31 and extends to the keraba side S3. Further, the return portion 16 is provided at a position beyond the keraba side decorative cover 31 to the keraba side S3. Therefore, for example, the roof structure can obtain fire resistance performance in the gap 26 without using tiles. Moreover, since the non-flammability is not requested | required for the keraba side decorative cover 31, arbitrary materials, such as resin other than a metal, can be employ | adopted, for example.

  As shown in FIGS. 1 and 4, the keraba-side decorative cover 31 of the present embodiment includes a plurality of convex portions 33 projecting upward in the direction orthogonal to the flow direction of the roof, and downward from the convex portions 33. Are formed in a corrugated plate shape in which a plurality of grooves 34 protruding alternately are formed. Further, the convex portion 33 and the groove 34 extend along the roof surface 2. Such a keraba side decorative cover 31 can smoothly discharge rainwater on the upper surface of the keraba side decorative cover 31 along the roof surface 2 (roof slope). In addition, the number of the convex parts 33 and the grooves 34 and the length in the direction orthogonal to the flow direction of the roof of the keraba-side decorative cover 31 can be appropriately set depending on the size of the gap 26.

  In the keraba-side decorative cover 31 of the present embodiment, the height of the upper surface of the convex portion 33 and the height of the upper surface of the solar cell module 17 adjacent to the convex portion 33 are set to be substantially the same. Furthermore, the keraba-side decorative cover 31 can form a groove pattern extending along the roof slope on the keraba side S3 of the roof surface 2. Therefore, the keraba-side decorative cover 31 can improve the aesthetics of the roof surface 2.

  As shown in an enlarged view in FIG. 7, the keraba-side decorative cover 31 is disposed on a support portion 41 that is fixed to the field board 4. The support part 41 includes a base part 42 fixed to the base plate 4 and a horizontal rail 43 fixed to the base part 42.

  The base portion 42 is made of, for example, a hat-shaped steel, and is disposed on both sides of the horizontal rail 43, respectively. Further, the horizontal rail 43 is made of, for example, channel steel, and extends in a direction orthogonal to the flow direction of the roof. Such a support portion 41 can effectively prevent bending deformation along the groove 34 of the keraba side decorative cover 31.

  An overlapping portion 45 extending laterally through the inner side of the keraba-side decorative cover 31 is provided at the edge 6s of the keraba-side S3 of the solar panel 6 of the present embodiment. Such overlapping portion 45 can prevent rainwater from entering through the gap without worrying about the size of the gap between the solar panel 6 and the keraba-side decorative cover 31.

  The overlapping portion 45 of the present embodiment includes a main body 46 extending along the roof surface 2 on the inner surface of the keraba side decorative cover 31, and a first projecting piece 47 extending upward at an end portion of the keraba side S3 of the main body 46. Contains. Further, the overlapping portion 45 is provided with a second projecting piece 48 extending upward from the end portion of the main body 46 on the solar panel 6 side and fixed to the grip portion 22. Thereby, the overlapping part 45 is formed in a substantially U-shaped cross section.

  The first projecting piece 47 of the present embodiment extends in the most convex portion 33 on the solar panel 6 side along the inside of the inclined surface 33 s of the convex portion 33 and terminates without reaching the upper surface 33 u of the convex portion 33. Yes. Further, the second projecting piece 48 is provided at a position reserved from the edge 31 s on the solar panel 6 side of the keraba-side decorative cover 31. Such projecting pieces 47 and 48 can prevent the rain water on the upper surface of the main body 46 from flowing around to the lower surface side while preventing interference between the overlapping portion 45 and the keraba-side decorative cover 31, and effectively perform water. be able to.

  As shown in FIGS. 1, 2, and 4, a roof edge cover 50 is attached to the end of the return portion 16. The roof edge cover 50 includes a first cover portion 51 fixed to the return portion 16, a second cover portion 52 covering the wife side of the first cover portion 51, and a lower side of the second cover portion 52, and the keraba side base material 14. It is comprised including the 3rd cover part 53 which covers the wife side. Since such a roof edge cover 50 can cover the return portion 16 and the keraba side base material 14 on the wife side, it can improve the aesthetics of the keraba side S3 while preventing rainwater from entering the keraba.

  Further, the first cover portion 51 includes a base piece 51a disposed along the return portion 16, and a folded piece 51b that is bent toward the keraba-side decorative cover 31 at the upper end of the base piece 51a. Furthermore, the 1st cover part 51 is provided with the extension piece 51c extended outside from the lower end of the base piece 51a.

  The base piece 51a is disposed along the return portion 16 and the wife side of the keraba side base material 14, and is fixed to the keraba side base material 14 with a fixing tool such as a screw. Thereby, the 1st cover part 51 is stably fixed to the return part 16 and the keraba side base material 14.

  As shown in an enlarged view in FIG. 7, the folded piece 51b includes a first folded piece 55 extending from the upper end of the base piece 51a to the solar panel 6 side, and a lower side from the end of the first folded piece 55 on the solar panel 6 side. And a second folded piece 56 extending.

  The first folded piece 55 covers the return portion 16 of the base steel plate 5 upward and extends along the base plate 4. Further, the second folded piece 56 is inclined downward from the end of the first folded piece 55 toward the solar panel 6 side. Such a folded piece 51b prevents the rainwater on the upper surface of the roof edge cover 50 from flowing around to the field board 4 side on the keraba side S3, and can effectively perform water.

  As shown in FIG. 4, one end of the second cover portion 52 is fixed to one end side of the third cover portion 53. The other end side of the second cover portion 52 is fixed to the folded piece 51 b of the first cover portion 51. As shown in an enlarged manner in FIG. 7, the other end side of the second cover portion 52 is disposed along the first folded piece 55 and the second folded piece 56. Furthermore, the end portion on the other end side of the second cover portion 52 is aligned with the lower end of the second folded piece 56. Such a 2nd cover part 52 can be effectively flooded with the return piece 51b.

  As shown in FIG. 4, one end side of the third cover portion 53 is fixed to the extension piece 51 c of the first cover portion 51. The other end side of the third cover portion 53 is fixed to the lower end side of the keraba side base material 14. Such a third cover part 53 can cover the keraba-side base material 14 without a gap below the first cover part 51 and the second cover part 52.

  As shown in FIG. 7, an extension 72 extending to the keraba side S <b> 3 through the inner side of the folded piece 51 b of the roof edge cover 50 is provided at the edge 31 t of the keraba side S <b> 3 of the keraba side decorative cover 31 of the present embodiment. Is provided. Such an extension 72 can prevent rainwater from entering through the gap without worrying about the size of the gap between the keraba-side decorative cover 31 and the folded piece 51b.

  The extension 72 of the present embodiment includes a main body 73 extending along the roof surface 2 on the inner surface of the keraba-side decorative cover 31, and a first projecting piece 74 extending upward at an end of the keraba side S3 of the main body 73. Have. Further, the extension 72 is provided with a second projecting piece 75 extending upward from the end of the main body 73 on the solar panel 6 side. Thereby, the extension part 72 is formed in a substantially U-shaped cross section.

The first projecting piece 74 of the present embodiment extends upward from the end of the main body 73 at a position reserved from the returning portion 16 of the base steel plate 5 and terminates without reaching the first folded piece 55. In addition, the second projecting piece 75 extends along the inner side of the slope 33 s of the convex portion 33 in the most convex portion 33 on the keraba side S <b> 3 and terminates without reaching the upper surface 33 u of the convex portion 33. Such protrusions 74 and 75 prevent the rain water on the upper surface of the main body 73 on the lower surface side while preventing the interference between the extension portion 72 and the first folded piece 55 and the interference between the extension portion 72 and the keraba side decorative cover 31. It is possible to prevent wrapping around and effectively flood the water.

  As shown in FIG. 6, a draining plate 58 fixed to the eaves side of the field board 4 is provided in the gap 7 between the eaves side edge 6 d of the solar panel 6 and the eaves. Such a draining plate 58 can freely determine the size of the gap 27 without being restricted by the tile size (tile module, etc.), like the keraba-side decorative cover 31 (shown in FIG. 4). Therefore, the draining board 58 is useful for maximally mounting the solar panel 6 on the roof surface 2 without worrying about the size of the gap 27.

  The draining plate 58 of the present embodiment includes a base 58a extending along the base plate 4, a first inclined portion 58b inclined from the eave side end of the base 58a toward the eaves bowl 12, and a lower end of the first inclined portion 58b. A folded portion 58c folded along the lower surface of the first inclined portion 58b, and a second inclined portion 58d extending from the upper end of the folded portion 58c toward the eaves-side base material 11 are included. Such a draining plate 58 can effectively fill the gap 27 between the eaves side edge 6d of the solar panel 6 and the eaves. Further, the drain plate 58 can smoothly discharge rainwater flowing along the roof gradient to the eaves 12.

  Further, it is desirable that the support fitting 24 on the eave side S2 is provided with a draining plate 59 that is inclined downward from the upper end toward the eave side S2 from the ridge side S1. Such a drain plate 59 can smoothly drain rainwater flowing along the upper surface of the solar panel 6 to the eaves 12.

  As shown in FIGS. 1, 2, and 6, it is desirable that a roof edge cover 60 that covers the draining plates 58 and 59 and the eaves wall 12 is attached to the eave side S <b> 2. Such a roof edge cover 60 is useful for improving the aesthetics of the eaves side S2.

  As shown in FIG. 5, a ward-side decorative cover 63 is disposed in the gap 28 between the ridge and the edge 6 u on the ridge side of the solar panel 6. Such a wing-side decorative cover 63 can freely determine the size of the gap 28 without being restricted by the tile size (tile module, etc.), like the keraba-side decorative cover 31 (shown in FIG. 4). it can. Therefore, the wing side decorative cover 63 is useful for maximally mounting the solar panel 6 on the roof surface 2 without worrying about the size of the gap 28.

  Furthermore, the base steel plate 5 of the present embodiment passes through the inside of the wing-side decorative cover 63, extends to the ridge-side S <b> 1, and extends to a position beyond the ridge-side decorative cover 63. Therefore, for example, the roof structure can obtain fire resistance performance in the gap 28 without using tiles. Thereby, since the non-flammability is not requested | required for the ridge side decorative cover 63, arbitrary materials, such as resin other than a metal, can be employ | adopted, for example.

  As shown in FIGS. 1 and 5, the ridge-side decorative cover 63 of the present embodiment has a plurality of protrusions in the direction orthogonal to the flow direction of the roof, similarly to the keraba-side decorative cover 31 (shown in FIG. 4). The portion 64 and the plurality of grooves 65 are formed in a corrugated shape in which a plurality of portions 64 and a plurality of grooves 65 are alternately formed. The convex portion 64 and the groove 65 extend along the roof slope. Such a ridge-side decorative cover 63 can smoothly drain rainwater on the upper surface of the ridge-side decorative cover 63 along the roof slope. Further, the ridge side decorative cover 63 is formed with a groove pattern extending along the roof slope, so that the aesthetics of the roof surface 2 can be improved.

  As shown in FIG. 5, the ridge-side decorative cover 63 is disposed on a support portion 66 that is fixed to the field board 4. The support portion 66 includes a base portion 69 fixed to the base plate 4 and a horizontal rail 70 fixed to the base portion 69, similarly to the support portion 41 (shown in FIG. 7) of the keraba side decorative cover 31. Yes. Further, the horizontal rail 70 extends in a direction orthogonal to the flow direction of the roof. Such a support portion 66 can prevent bending deformation along the groove 65 of the wing side decorative cover 63.

  As shown in FIGS. 2 and 5, a roof edge cover 68 is attached to the ridge side S <b> 1 of the present embodiment. The roof edge cover 68 of the present embodiment includes a first cover portion 68a fixed to the return portion 19, a second cover portion 68b covering the ridge side of the first cover portion 68a, and a lower portion of the second cover portion 68b. A third cover portion 68 c that covers the side base material 13 is included. Since such a roof edge cover 68 can cover the return portion 19 and the ridge-side base material 13, it can improve the aesthetics of the ridge-side S1 while preventing rainwater from entering the ridge.

  Although the roof structure of the present embodiment is exemplified as a single flow, it is not limited to this. For example, it may be a gable roof, a dormitory roof, a flat roof, or the like, or may be formed in different ridges.

  As mentioned above, although especially preferable embodiment of this invention was explained in full detail, this invention is not limited to embodiment of illustration, It can deform | transform and implement in a various aspect.

2 Roof surface 5 Base steel plate 6 Solar panel 16 Return portion 26 Clearance 31 Keraba side decorative cover

Claims (3)

A roof structure with a solar panel on the roof surface,
With a field plate,
A metal base steel plate disposed on the outside of the field plate,
Including a solar panel fixed to the outside of the base plate via the base steel plate,
The ridge side edge of the solar panel is terminated at a position reserved from the ridge,
In the gap between the ridge and the edge of the solar panel, a wing-side decorative cover is arranged,
The base steel plate on the inner side of the solar panel extends through the inner side of the wing-side decorative cover to the ridge side, and has a return portion folded upward at a position beyond the ridge-side decorative cover to the ridge side. A roof structure characterized by having . The roof structure of Claim 1 with which the roof edge cover which covers the said return part is attached to the ridge side of the said return part . The roof structure according to claim 1 or 2, wherein the roof structure is a single flow.

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