JP2018162612A - Construction structure of solar battery sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction structure of a solar battery sheet which can be constructed easily and accurately and can be easily applied even on a folding roof of an existing building.SOLUTION: A construction structure of a solar battery sheet in which a rectangular solar battery sheet 2 is stretched in a parallel state on a folding roof composed of a plurality of folding plate roofing materials 1. In each folding roofing material 1, roofing material fixing portions by bolts 5a protruding from the tight frame 3 and nuts 5b screwed to the bolts 5a, are provided on a mountain portion 1a at regular intervals. A soft resin film 7 and a metal film 8 are stuck to the edge of the long side of the solar cell sheet 2, and attachment holes 9 are formed at regular intervals. These mounting holes 9 are fitted in the bolts 5a and fixed by the nuts 5b.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a structure in which a solar cell sheet is constructed on an engraved roof formed by roofing with an engraved roof material.

  Conventionally, as a solar power generation apparatus that obtains electric energy by being installed on a folded roof of a building, for example, as described in Patent Document 1, a plurality of solar cell panels having a certain width and a certain length are used. On the folded roof, the opposite end portions of the adjacent solar cell panels are placed so as to face each other at a predetermined interval on the predetermined folded roof material, and these opposed end faces are placed on the folded roof material. There is known a structure in which the opposite end portions are fixed to both side rising protrusions of a connecting tool having a U-shaped cross section attached on the center of each of the connecting parts in a butted manner.

  However, in such a solar power generation apparatus, there is a problem that handling of the solar cell panel is complicated at the time of construction, labor and labor are required for the construction, and the construction cost is increased. For this reason, in recent years, a thin, lightweight, flexible solar cell sheet is used, and this solar cell sheet is constructed on the roof of a building.

  In order to construct a solar cell sheet on a folded roof or a corrugated roof, it is difficult to adopt the construction method of the solar cell panel. For example, as described in Patent Document 2, Adhering a solar cell sheet to the upper surface via an adhesive, or forming a fixed thickness polystyrene foam plate on the corrugated roof, the upper surface being a flat surface and the lower surface being formed into a corrugated surface having the same shape as the corrugated roof After laminating and adhering the corrugated lower surface in contact with the corrugated upper surface of the corrugated roof with an adhesive, a solar cell sheet is adhered to the flat upper surface of the polystyrene foam plate.

Japanese Patent Laying-Open No. 2015-40429 JP 2014-5591 A

  According to the construction structure of the solar cell sheet described in Patent Document 2, it is necessary to apply an adhesive to the top surface of the corrugated roof or the flat top surface of the polystyrene foam plate, which requires significant labor and labor for the construction of the solar cell sheet. In addition, there is a problem that, when sticking, the solar cell sheet is wrinkled or misaligned, making it difficult to perform a fresh work. Further, the solar cell sheet may be peeled off from the roof material due to a difference in linear expansion coefficient between the roof material of the corrugated roof and the solar cell sheet, deterioration of the adhesive, or the like.

  The present invention has been made in view of such problems, and the object of the present invention is that the construction can be performed easily and accurately, and can be stably disposed over a long period of time. It is in providing the construction structure of the solar cell sheet | seat which can be easily constructed | assembled also on the folding roof of a building.

  In order to achieve the above object, the construction structure of the solar cell sheet according to the present invention is a folded structure comprising a plurality of folded roofing materials in which peaks and valleys are alternately formed as described in claim 1. A solar cell sheet construction structure in which a solar cell sheet having a certain width and length is stretched on a plate roof, and the roof material fixed on the main building material at the mountain portion of each folded plate roof material Insertion holes through which bolts projecting from the upper ends of the metal fittings are inserted at regular intervals in the length direction of the peak portions, and metal films are formed at both end edges on the long side of the solar cell sheet And a soft resin film are attached, and through the metal film and the resin film, mounting holes are formed at the same intervals as the bolts, and the folded roofing material is formed in the mounting holes. The above-mentioned bolt protruding upward from the insertion hole drilled in the mountain Is, the solar cell sheet on a folding plate roof stretched, characterized in that it is fixed by screw tightening of the nut.

  In the construction structure of the solar cell sheet configured as described above, in the invention according to claim 2, the solar cell sheet is formed in a long rectangular shape in a direction orthogonal to the length direction of the mountain portion of the folding roof. The interval between the mounting holes adjacent in the length direction is set to the same interval as the interval between the bolts protruding from the insertion holes of the adjacent mountain portions of the folding roofing material, and the interval between the mounting holes adjacent in the width direction is set. It is characterized in that it is set at the same interval as the interval between the bolts protruding from the insertion holes adjacent in the length direction of the mountain portion of the folded roof material.

  According to a third aspect of the present invention, the metal film and the soft resin film are formed in a strip shape that can cover the entire edge of the long side of the solar cell sheet, and the soft resin film is a solar cell. A metal film is attached to the lower surface side of the solar cell sheet on the upper surface side of the sheet.

  In the invention according to claim 4, the metal film is formed in a strip shape that can cover the entire edge of the long side of the solar cell sheet, while the soft resin film is translucent, It is formed in the same size and the same rectangular shape as the solar cell sheet, and the resin film is adhered to the entire upper surface of the solar cell sheet, while the metal film is attached to the long side edge of the solar cell sheet. It is characterized by being attached to the lower surface of the part.

  In the invention according to claim 5, the metal film and the light-transmitting soft resin film are formed in a rectangular shape having the same size and the same shape as the solar cell sheet, and the soft resin film is formed on the entire upper surface of the solar cell sheet. Further, the present invention is characterized in that a metal film is adhered to the entire lower surface of the solar cell sheet.

  On the other hand, as for the invention which concerns on Claim 6, the metal film and the soft resin film are formed in the strip | belt-shaped shape which can coat | cover the edge part of the long side of a solar cell sheet over the full length, The above-mentioned of a solar cell sheet It is characterized by being stuck in a laminated state with a soft resin film on the upper surface of the edge portion.

  In the invention according to claim 7, the metal film is formed in a strip shape that can cover the entire edge of the long side of the solar cell sheet, while the soft resin film is translucent, It is formed in a rectangular shape of the same size and shape as the solar cell sheet, and a metal film is adhered to the upper surface of the edge portion of the solar cell sheet, and a resin film is adhered to the entire upper surface of the solar cell sheet. It is characterized by that.

  The invention according to claim 1 is a construction structure of a solar cell sheet in which a solar cell sheet having a certain width and length is stretched on the folded roof, and the long side of the rectangular solar cell sheet On both side edges on the side, the same as the bolts on the folding plate fixing metal fittings inserted through the bolt insertion holes drilled at regular intervals in the peak direction of the peak of the folding roof material Since the mounting holes are provided at every interval, even in the case of an existing folding plate roof, the bolts projecting upward from the mountain portion of the folding plate roof material are drilled at both end portions of the solar cell sheet. The installation can be easily performed by fitting the attachment hole and screwing the nut, and the construction structure of the solar cell sheet in which the solar cell sheet is stretched over the entire surface of the folded plate roof can be provided.

  Further, the solar cell sheet is reinforced by sticking a metal film and a soft resin film to both end edges on the long side, and the both end edges are on the top of the folded roofing material. Since it is fixed with bolts and nuts in close contact with each other, the strength against wind pressure and the like is increased, and the tensile force acting on the solar cell sheet due to strong wind and the like is absorbed by the metal film and the resin film, so that the solar cell sheet It is possible to prevent damage and the like from occurring.

  In addition, the solar cell sheet is stretched on the folded roof with its light receiving surface flattened, so that it has excellent aesthetics, and at least the long side edges of the solar cell sheet are formed by the metal film. The shape can be kept, and the solar cell sheet can be smoothly and accurately applied on the folded roof.

  According to the invention which concerns on Claim 2, the said solar cell sheet is the volt | bolt which protruded from the penetration hole of the mountain part which adjoins the space | interval of the attachment hole adjacent to the length direction in the long side edge part of the said folding roof material. The interval between the mounting holes adjacent in the width direction is set to the same interval as the bolts protruding from the insertion holes adjacent in the length direction of the mountain portion of the folding roofing material. Therefore, the solar cell sheet has a structure in which both sides and the periphery of the solar cell part are surrounded by a sealing member made of a transparent resin film, but the long side where the solar cell part is not provided Thus, the solar cell sheet can be easily and accurately stretched on the folded plate roof without damaging the solar cell portion.

  According to the invention of claim 3, the metal film and the soft resin film are formed in a belt-like shape that can cover the entire edge of the long side of the solar cell sheet, and the soft resin film Is attached to the upper surface of the solar cell sheet, so that the mounting hole formed in the edge of the solar cell sheet is fitted into a bolt protruding upward from the peak of the folded roof material, and the nut When the screw is tightened, the resin film portion that becomes the seating surface of the nut is elastically compressed by tightening the nut, and the solar cell sheet can be firmly fixed to a predetermined tension position.

  Furthermore, since a metal film is attached to the lower surface side of the edge portion of the solar cell sheet, the lower surface of the edge portion of the solar cell sheet is supported well on the mountain portion of the folded roofing material via this metal film. In addition, the solar cell sheet can be accurately constructed without causing distortion or wrinkles in the solar cell sheet.

  According to the invention which concerns on Claim 4, since the soft resin film which has translucency is affixed on the whole upper surface of a solar cell sheet, the upper surface of a solar cell sheet is protected by this soft resin film which has this translucency. Thus, it is possible to provide a solar cell sheet construction structure on the folded roof that can be used for a long time.

  According to the invention of claim 5, the metal film and the soft resin film are formed in the same size and the same rectangular shape as the solar cell sheet, and the soft resin film is formed on the entire upper surface of the solar cell sheet. Since the metal film is attached to the entire lower surface of the solar cell sheet, the upper and lower surfaces of the solar cell sheet can be fully protected by the resin film and the metal film and the solar cell by wind pressure or the like. Stable power supply can be performed over a long period by suppressing sheet elongation.

  According to the invention which concerns on Claim 6, the metal film and the soft resin film are formed in the strip | belt shape which can coat | cover the long side edge part of a solar cell sheet over the full length, The said edge of a solar cell sheet Since the soft resin film is stuck on the upper surface of the edge and laminated in a laminated state, the occurrence of damage to the solar cell sheet due to wind pressure, etc. is suppressed by these metal films and soft resin films as above. And the construction structure of the solar cell sheet which can be constructed easily and accurately can be provided.

  According to the seventh aspect of the present invention, the metal film is formed in a strip shape that can cover the entire edge of the long side of the solar cell sheet, while the soft resin film is translucent. In addition, it is formed in a rectangular shape of the same size and the same shape as the solar cell sheet, and the metal film is attached to the upper surface of the both edge portions of the solar cell sheet, and the resin film is applied to the entire upper surface of the solar cell sheet. Since it is attached, the construction of the solar cell sheet is made possible by maintaining the shape of the solar cell sheet with a metal film as described above, and at the same time protecting the entire upper surface of the solar cell sheet with a resin film. Structure can be provided.

The simplified top view which shows the construction structure of the solar cell sheet | seat on a folding plate roof. FIG. The simple expansion vertical side view which excised a part of solar cell sheet. The longitudinal section front view of the folding roof material which stretched the solar cell sheet. The enlarged vertical front view of the one part. The simple expansion vertical side view which excised a part which shows the 1st modification of a solar cell sheet. The simple expansion vertical side view which excised a part which shows the 2nd modification of a solar cell sheet. The simple expansion vertical side view which excised a part which shows the 3rd modification of a solar cell sheet. The simple expansion vertical side view which excised a part which shows the 4th modification of a solar cell sheet.

  A specific embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 5, the construction structure of the solar cell sheet on the folded plate roof is alternately formed with peaks 1 a and valleys 1 b. A plurality of rectangular solar cell sheets 2 having a certain width and a certain length on a folded roof made of a plurality of folded roofing materials 1, the length direction and the width direction of the folded roofing material 1 Are stretched in parallel with each other.

  The folded roof is arranged in parallel with the main building 4 having the tight frame 3 as a roofing material fixing bracket mounted on the upper surface in parallel at regular intervals in the roof ridge and eave direction (hereinafter referred to as the front-rear direction). The folded roofing material 1 is spanned between the plurality of tight frames 3, 3, 3... So that the length direction is perpendicular to the length direction of the tight frame 3, and is supported by the tight frame 3. It is formed by performing the work of fixing the lower surface with bolts 5a and nuts 5b over the entire roof. Note that the folded roofing materials 1, 1 adjacent to each other on the left and right sides are fixed by the bolts and nuts 5a, 5b in a state where the opposing mountain portions 1a, 1a are overlapped.

  The tight frame 3 has a crest 3a and a trough 3b that support the lower surfaces of the crest 1a and the trough 1b of the folded roofing material 1, respectively, and is continuously formed in the left-right direction. The above-mentioned bolt 5a is projected on the top surface of the slab, while the peak 1a of the folded roofing material 1 is provided at the same interval as the interval of the bolts 5a, 5a facing in the front-rear direction in the adjacent tight frames 3, 3. A plurality of bolt insertion holes 6 are formed in the length direction.

  The bolt insertion holes 6 corresponding to the bolts 5a are formed in accordance with the bolts 5a, 5a,... Of the tight frames 3, 3,. The folded roofing material 1 is attached as described above by screwing the nut 6b through the washer 10 to the bolt 5a protruding from the bolt insertion hole 6.

  The solar cell sheet 2 constructed on the folded roof is formed in a horizontally long rectangular shape that is perpendicular to the length direction of the peak 1a of the folded roof material 1, that is, in the left-right direction. The width between the end faces of the front and rear long edges facing the longitudinal direction of the plate roof is slightly smaller than the width between the bolt insertion holes 6 and 6 adjacent to the front and rear provided in the mountain portion 1a of the folded roof material 1. The bolt insertion holes 6 and 6 are formed in such a width that can be covered with the both end edges on the long side. The solar cell sheet 2 is formed to have a length that can cover a plurality of ridges 1 a of the folded roofing material 1.

  The solar cell sheet 2 has a structure surrounded by a sealing member 2b made of a transparent (light-projecting) resin film on both the front and back surfaces and the periphery of the solar cell portion 2a including the solar cell element. That is, the solar cell sheet 2 is configured by sealing a solar cell portion 2a including a solar cell element between sealing members 2b made of a pair of transparent resin films. As shown in FIGS. 2 and 3, the upper surface of the long side edge before and after the solar cell portion 2a does not have a strip-shaped soft resin film 7 (for example, a polyvinyl chloride film, A polyester-based resin film or the like) is pasted over the entire length, and a metal film 8 such as a strip-shaped aluminum foil of the same size and shape as the resin film 7 is formed over the entire length on the lower surfaces of the front and rear edge portions. It is stuck.

  Furthermore, the front and rear end edges of the solar cell sheet 2 that penetrates through the resin film 7, the solar cell sheet 2, and the metal film 8 and adheres the resin film 7 and the metal film 8 to each other, A plurality of mounting holes 9, 9... Are formed in the length direction at the same intervals as the intervals between the bolts 5a, 5a protruding on the left and right ridges 3a, 3a of the tight frame 3. ing.

  Since the solar cell sheet 2 configured in this manner has flexibility, the solar cell sheet 2 is wound up before construction on the folded plate roof, and is unfolded on the folded plate roof at the time of construction. The plate is laid so as to cover the top surface of the length part facing the width of the solar cell sheet 2 in the mountain portion 1a of the folded roofing materials 1, 1. The bolts 5a and 5a projecting upward from the bolt insertion holes 6 and 6 adjacent to the front and rear of the mountain 1a of the roofing material 1 are connected to the front and rear of the solar cell sheet 2 corresponding to these bolts 5a and 5a. The mounting holes 9, 9 drilled in the edge portions on both sides are fitted, and the nut 5 b is screwed onto the bolt 5 a protruding from the mounting hole 9 via the washer 10, so that the sun is placed on the folded roof material 1. The battery sheet 2 is installed in a stretched state.

  Prior to constructing the solar cell sheet 2 on the folded roof, the nut 5b screwed with the bolt 5a protruding from the bolt insertion hole 6 of the folded roof material 1 is removed together with the washer 10. The solar cell sheet 2 is stretched on the folded roof material 1 from the eaves side of the folded roof, and the solar cell sheet 2 is constructed with the left and right end portions facing each other along the eave. After that, the solar cell sheet 2 is installed in order toward the building side.

  In this way, the soft resin film 7 and the metal film 8 are adhered to the upper and lower surfaces of both end edges on the long side, and the attachment holes 9 are provided at regular intervals in the length direction on both end edges. A plurality of horizontally long rectangular solar cell sheets 2 having a certain width are arranged side by side in the front-rear and right-and-left directions on the mountain portion 1a of the plurality of rows of the folding roof material 1 constituting the folding roof. Thus, the construction structure fixed by the bolts and nuts 5a and 5b can be obtained.

  And according to the construction structure of the solar cell sheet 2 on the folded roof, even if it is an existing folded roof, the bolt insertion hole 6 drilled in the mountain portion 1a of the folded roof material 1 is used. The bolt 5a on the tight frame 3 projecting upward can be easily installed by fitting the mounting holes 9 drilled at both end portions of the solar cell sheet 2 and screwing the nut 5b.

  Further, since the soft resin film 7 and the metal film 8 are respectively attached to the upper and lower surfaces of both long side edges of the solar cell sheet 2, the nuts are attached to the bolts 5 a via the washers 10. When the screw 5b is screwed, the soft resin film 7 is elastically compressed and deformed to enable a strong attachment, and the resin film 7 and the metal film 8 allow the peak portion 1a of the folded roofing material 1 to be fixed. The mounting parts with the bolts and nuts 5a and 5b on the top are reinforced to increase the strength against wind pressure and make it possible to use for a long period of time. Thus, it is possible to provide a construction structure for a solar cell sheet that is held on a flat surface over a long period of time and that is stable in appearance and excellent in appearance.

  In the above embodiment, the belt-like soft resin film 7 and the metal film 8 are respectively attached to the upper and lower surfaces at both end edges on the long side of the solar cell sheet 2. As a bonding structure between a soft resin film and a metal film, a structure as exemplified below may be adopted.

  FIG. 6 shows a first modification of these film pasting structures. A soft resin film 7A having the same rectangular shape and transparency as the solar cell sheet 2 is formed on the entire upper surface of the solar cell sheet 2. Is attached, and a metal film 8A having a constant width is attached to the lower surface of the end portion on the long side of the solar cell sheet 2 in a band shape.

  FIG. 7 shows a second modification example. The metal film 8B and the soft resin film 7B having translucency are formed in a rectangular shape having the same size and the same shape as the solar cell sheet 2. The soft resin film 7B having the above is adhered to the entire upper surface of the solar cell sheet 2, and the metal film 8B is adhered to the entire lower surface of the solar cell sheet 2. In this way, the entire upper surface of the solar cell sheet 2 can be covered with the soft resin film 7B having translucency to protect the solar cell sheet 2 over a long period of time, and the solar cell sheet can be protected by the metal film 8B. 2 is retained, and the solar cell sheet 2 can be constructed with higher accuracy and stability.

  FIG. 8 shows a third modification example. The soft resin film 7C and the metal film 8C are strips having a certain width that can cover the front and rear long edges of the solar cell sheet 2 over the entire length. The solar cell sheet 2 is laminated in a laminated state with the soft resin film 7C on the upper surface of the side edge portions on the front and rear sides of the solar cell sheet 2.

  FIG. 9 shows a fourth modification. The metal film 8D is formed in a strip shape that can cover the entire length of the front and rear long edges of the solar cell sheet 2, while the soft resin film 7D. Is translucent and is formed in a rectangular shape of the same size and shape as the solar cell sheet 2, and the metal film 8D is adhered to the upper surfaces of the front and rear end edges of the solar cell sheet 2 over the entire length. At the same time, a soft resin film 7D is adhered to the entire upper surface of the solar cell sheet 2 with its long side edge portion overlapped on the metal film 8D.

  It should be noted that the structure for adhering the soft resin film 7 and the metal film 8 to the solar cell sheet 2 is not limited to the structure of the above-described modified example, but bolts and nuts 5a and 5b on the mountain portion 1a of the folded roofing material 1. The present invention can be satisfied if the resin film 7 and the metal film 8 are provided on the portion fixed by the above.

1 Origami roofing material
1a Yamabe
1b Valley 2 Solar cell sheet 3 Tight frame
5a, 5b Bolt and nut 6 Bolt insertion hole 7 Soft resin film 8 Metal film 9 Mounting hole

Claims (7)

  It is a construction structure of a solar cell sheet in which a solar cell sheet having a certain width and length is stretched on an engraved roof made of a plurality of engraved roof materials in which peaks and valleys are alternately formed. There is a through hole through which the bolt projecting at the upper end of the roofing material fixing bracket attached on the main building material is inserted at a certain interval in the length direction of the mountain. A metal film and a soft resin film are attached to both end edges on the long side of the solar cell sheet, and the bolts penetrate through the metal film and the resin film. Mounting holes are drilled at the same intervals, and the bolts projecting upward from the insertion holes drilled in the ridges of the stencil roofing material are inserted into these mounting holes. A solar cell sheet is stretched and fixed on the folding roof. Construction structure of a solar cell sheet.   The solar cell sheet is formed in a rectangular shape that is long in a direction perpendicular to the length direction of the mountain portion of the folding roof, and the spacing between the mounting holes adjacent in the length direction of the solar cell sheet is folded. The interval between the mounting holes adjacent to each other in the width direction is set to be the same as the interval between the bolts projecting from the insertion holes in the adjacent peak portion of the plate. The construction structure of the solar cell sheet according to claim 1, wherein the construction is set at the same interval as the interval between the bolts projecting from the solar cell.   The metal film and the soft resin film are formed in a band shape that can cover the entire edge of the long side of the solar cell sheet, and the soft resin film is formed on the upper surface side of the solar cell sheet. Is attached to the lower surface side of the solar cell sheet, the construction structure of the solar cell sheet according to claim 1.   The metal film is formed in a strip shape that can cover the entire edge of the long side of the solar cell sheet, while the soft resin film is translucent and has the same size and shape as the solar cell sheet. The resin film is adhered to the entire upper surface of the solar cell sheet, while the metal film is adhered to the lower surface of the long edge of the solar cell sheet. The construction structure of the solar cell sheet according to claim 1, wherein:   The soft resin film having translucency with the metal film is formed in the same size and the same rectangular shape as the solar cell sheet. The soft resin film is formed on the entire upper surface of the solar cell sheet, and the metal film is formed on the solar cell sheet. The construction structure of the solar cell sheet according to claim 1, wherein the construction structure is attached to the entire lower surface of the solar cell sheet.   The metal film and the soft resin film are formed in a strip shape that can cover the entire edge of the long side of the solar cell sheet, and the soft resin film is formed on the upper surface of the edge of the solar cell sheet. The construction structure of the solar cell sheet according to claim 1, wherein the construction is stuck in a laminated state.   The metal film is formed in a strip shape that can cover the entire edge of the long side of the solar cell sheet, while the soft resin film is translucent and has the same size and shape as the solar cell sheet. The metal film is adhered to the upper surface of the edge portion of the solar cell sheet, and the resin film is adhered to the entire upper surface of the solar cell sheet. The construction structure of the solar cell sheet according to claim 1.

Images