JP3609744B2 - Roofing structure and roofing material with solar cells - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a roofing structure and a roof material with a solar cell.
[0002]
[Prior art]
Conventionally, as a roofing structure, as described in JP 2000-170325 A, a roof tile and a roof material with a solar cell are juxtaposed and provided. The booths with solar cells are made to be booths for multiple roof tiles.
[0003]
[Problems to be solved by the invention]
In the prior art, the roof material with solar cells has solar cells laid on almost the entire upper surface of the flat roof material body, and has a different appearance from the adjacent general roof tiles. For this reason, a beautiful line like a tiled roof continuous over the entire roof cannot be formed.
[0004]
The object of the present invention is to provide a roof material with solar cells in a part of the roof, so that it forms a beautiful line like a tiled roof that is uniformly continuous over the entire roof, and has an excellent appearance of the roof Is to provide.
[0005]
[Means for Solving the Problems]
The invention of claim 1 is a roofing structure in which roof tiles and roofing materials with solar cells are arranged side by side, and the booths with solar cells are made an integer multiple of twice or more between the roof tiles. On the surface of the roof material with a battery, a concave groove along the flow direction is provided at a position where the booths of the roof material are allocated at the same interval as the booths of the roof tile.
[0006]
According to a second aspect of the present invention, in the first aspect of the invention, the concave groove is formed between the roof tiles adjacent to each other in the spar direction or between the roof materials with solar cells adjacent to each other in the spar direction. Or the groove formed between the roofing material with solar cells and the roof tile adjacent to each other in the spar direction is the same width.
[0007]
According to a third aspect of the present invention, in the first or second aspect of the present invention, the concave groove has a depth of 4 mm or more.
[0008]
According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the roof material with solar cells accommodates solar cells in a battery accommodating recess provided in the roof material main body, and the roof material main body is under water. A drainage groove connected to the battery housing recess is provided at the edge on the side, and the groove formed between the roof tiles adjacent to each other in the girder direction is wound on the lower stage of the roofing material with solar cells, between the roofing materials with solar cells The above-mentioned drainage groove of the roof material with the solar cell in the upper stage is disposed directly above the groove formed between the roof material with the solar cell and the roof tile or the concave groove of the roof material with the solar cell. It is.
[0009]
The invention according to claim 5 is the roof material with solar cells arranged adjacent to the roof tile, along the flow direction at a position where the booths with the solar cells are allocated at the same intervals as the boot tiles of the roof tile. A concave groove is provided.
[0010]
Here, the booth is the width of the tile or roof material that appears in a direction (horizontal width direction) perpendicular to the flow on the roof covered with the roof tile or the roof material with solar cells.
[0011]
[Action]
According to the first and fifth aspects of the invention, the following effect (1) is obtained.
(1) Adopting a long roofing material in which the booth of the solar cell roofing material 1 is n times as long as the roof tiles (n is an integer of 2 or more), the productivity, workability and maintenance of the solar cell roofing material The surface of the roofing material with solar cells was divided into the same width as that of the roof tile by the presence of the concave grooves allocated at the same intervals as the roof tiles on the surface of the roofing material with solar cells. Therefore, when the roof material with solar cells is juxtaposed on the roof tile, a design feeling equivalent to that when the entire roof is covered with the roof tile can be obtained.
[0012]
Note that the “interval equivalent to the booth booth” may be a size close to a level that does not cause a sense of incongruity, even if it is not a size that exactly matches the booth.
[0013]
The invention according to claim 2 has the following effect (2).
(2) The width of the concave groove provided in the roof material with solar cells should be the same as the width of the grooves formed between the roof tiles adjacent to each other, between the roof materials with solar cells, or between the roof material with solar cells and the roof tiles. Thus, a beautiful line like a tiled roof can be obtained more reliably.
[0014]
According to the invention of claim 3, there is the following effect (3).
(3) By setting the depth of the ditch provided in the roofing material with solar cells to 4 mm or more, the ditch can be clearly and clearly shown by the shadow that sunlight falls on the ditch.
[0015]
According to the invention of claim 4, there are the following effects (4) and (5).
(4) In the roofing material with solar cells, a drainage groove is provided which is connected to the battery housing recess in which the solar cells are housed. Therefore, even if rainwater enters the battery housing recess from the outer periphery of the solar cell, Smooth drainage from the drainage groove prevents the lower surface of the solar cell from getting wet all the time and prevents deterioration of the solar cell and the roofing material body due to long-term use.
[0016]
(5) Drainage grooves provided on the roof material with solar cells sown in the upper stage, between adjacent roof tiles sown in the lower stage, between roof materials with solar cells, or between roof materials with solar cells and roof tiles It was arrange | positioned immediately above the groove | channel which arises in the above, or the concave groove of the roofing material with a solar cell. Therefore, the drainage grooves and those grooves or concave grooves are provided on the same line along the flow direction, so that the drainage from the drainage grooves can be improved and the design feeling can be improved.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a perspective view showing the roofing structure of the first embodiment, FIG. 2 is a perspective view showing the roof tile of the first embodiment and the roof material with solar cells side by side, FIG. 3 shows the roof material with solar cells, (A) is a plan view, (B) is a side view, (C) is a sectional view showing a groove, FIGS. 4 (A) to (D) are perspective views showing various sectional shapes of the groove, and FIG. The perspective view which shows the roofing material with a solar cell of embodiment, FIG. 6 is sectional drawing which shows a ditch | groove.
[0018]
First Embodiment (FIGS. 1 to 4)
The roofing structure of the roof 10 in FIG. 1 is a structure in which a general roof tile 1 and a roof material 11 with solar cells are juxtaposed in the vertical and horizontal directions. Moreover, the roof tile 1 is adjacently provided in the lower stage of the roof material 11 with solar cells in the second stage from the bottom, and the roof tile 1 is adjacent to the upper stage of the roof material 11 with the solar cells in the second stage from the top. Is provided.
[0019]
As shown in FIGS. 2 and 3, the roof material 11 with solar cells has a booth L of nW (n is an integer of 2 or more), where W is the booth of the roof tile 1. Then, on the surface of the roof material 11 with solar cells, concave grooves 12 along the flow direction were provided at positions where the booths L were allocated at the same intervals as the booths W of the roof tile 1.
[0020]
At this time, the width a of the groove 12 is the width a of the groove 2 generated between the roof tiles 1 adjacent in the spar direction, and the width of the groove 3 generated between the roof materials 11 with solar cells adjacent in the spar direction. a and the width a of the groove 4 formed between the roof tile 1 adjacent to each other in the spar direction and the roof material 11 with solar cells. In addition, the ditch | groove 12 is the flow direction of the surface of the roofing material 11 with a solar cell, and the upper roof tile 1 and the roofing material 11 with a solar cell are piled up on the upper stage of the roofing material 11 with a solar cell. It can be provided over the entire area under the water, excluding the length of the section.
[0021]
Moreover, it is preferable that the depth of the ditch | groove 12 is 4 mm or more. In this embodiment, it is 5 mm.
[0022]
Moreover, it is preferable that the cross-sectional shape of the ditch | groove 12 is a substantially rectangular shape like trapezoid (FIG. 4 (A) or rectangular figure 4 (B)). However, the cross-sectional shape of the concave groove 12 may be circular (FIG. 4C or trapezoidal figure 4D with a corner).
[0023]
The roof material 11 with solar cells accommodates the solar cells 23 in the battery accommodating recesses 22 provided side by side on the roof material body 21 obtained by press-molding a metal steel plate. A drainage groove 24 connected to the battery housing recess 22 is provided at the edge. The drainage groove 24 is provided at the center of each width allocated by the booth W of the roof tile 1, that is, approximately at the center in the left-right width direction of the battery housing recess. In FIG. 3, reference numeral 25 denotes an attachment portion by a nail or the like to the roof base material, and 23 </ b> A denotes an output terminal of the solar cell 23.
[0024]
And the roof 2 with a solar cell, the groove | channel 2 produced between the roof tiles 1 and 1 adjacent to each other in the girder direction, between the roof materials with solar cells 11 and 11 adjacent to each other in the girder direction. The upper roof material with solar cells directly above the groove 3 or the groove 4 formed between the roof material 11 with solar cells and the roof tile 1 adjacent to each other in the girder direction or the roof tile 1. 11 drainage grooves 24 are arranged.
[0025]
The roof tile 1 and the roof material 11 with solar cells may be made of metal or inorganic material.
[0026]
Further, the solar cell 23 deposits silicon on a conductive metal substrate and forms a transparent conductive layer thereon. The surface resin film, the fibrous inorganic compound, and the back surface insulating film are made of EVA resin or back surface filler (hot melt adhesive). For example, it may be integrated by using a thin film solar cell in which a solar cell film is formed on a crystalline solar cell or a glass substrate.
[0027]
Therefore, according to the present embodiment, there are the following operations.
(1) Adopting a long roofing material in which the booth L of the roofing material 11 with solar cells is n times the booth W of the roof tile 1 (n is an integer of 2 or more), the productivity of the roofing material 11 with solar cells, While improving the workability and maintainability, the surface of the roofing material 11 with solar cells is arranged on the surface of the roofing material 11 with the roof tiles 1 due to the presence of the concave grooves 12 allocated at the same intervals as the booths 1 of the roofing tile 1. Subdivided into the same width. Therefore, when the roof material 11 with solar cells is juxtaposed on the roof tile 1, a design feeling equivalent to that when the entire roof is covered with the roof tile 1 can be obtained.
[0028]
(2) The groove a formed between the roof tiles 1 adjacent to each other, the roof materials 11 with solar cells, or between the roof material 11 with solar cells and the roof tile 1 has a width a of the groove 12 provided in the roof material 11 with solar cells. By making it the same as the width of, a beautiful line like a tiled roof can be obtained more reliably.
[0029]
(3) By setting the depth of the concave groove 12 provided on the roofing material 11 with solar cells to 4 mm or more, the concave groove 12 can be clearly and clearly shown by a shadow or the like that sunlight drops on the concave groove 12. . Here, since the roof material main body is made of metal, it is preferable that the depth of the groove is 20 mm or less in consideration of ease of press forming.
[0030]
(4) By making the cross-sectional shape of the concave groove 12 provided in the roofing material 11 with solar cells into a substantially rectangular shape such as a trapezoid, a rectangle, etc., the concave groove 12 can be clearly seen due to a shadow that sunlight falls on the concave groove 12 portion. You can show it clearly.
[0031]
(5) Since the drainage groove 24 connected to the battery housing recess 22 in which the solar cell 23 is housed is provided in the roof material 11 with solar cells, rainwater may enter the battery housing recess 22 from the outer periphery of the solar cell 23. In addition, the infiltration rainwater is smoothly drained from the drainage groove 24 to prevent the lower surface of the solar cell 23 from being always wet, and the deterioration of the solar cell 23 and the roof material body 21 due to long-term use can be prevented.
[0032]
{Circle around (6)} The drainage grooves 24 provided in the roof material 11 with solar cells wound in the upper stage are connected to the roof tiles 1 adjacent to each other, the roof materials 11 with solar cells, or the roof material 11 with solar cells. It arrange | positioned directly on the groove | channel 2, 3 or 4 produced between the roof tiles 1, or the concave groove 12 of the roofing material 11 with a solar cell. Accordingly, the drainage grooves 24 and the grooves 2, 3, 4 or the concave grooves 12 are provided on the same line along the flow direction, so that the drainage from the drainage grooves 24 can be improved and the design feeling can be improved.
[0033]
(7) The above-mentioned (1) to (6) can be realized in the roof using the solar cell roof material 11 by providing the solar cell roof material 11 with the concave groove 12 and further providing the drainage groove 24. .
[0034]
Second Embodiment (FIGS. 5 and 6)
The second embodiment is different from the first embodiment in that a roof material 30 with solar cells is used instead of the roof material 11 with solar cells.
[0035]
The roof material 30 with solar cells is obtained by laminating a thin-film solar cell 32 and a surface protection film 33 on the surface of a roof material body 31 made of metal or the like, and fixing them with a filler such as EVA resin. And even if it is in the roofing material 30 with a solar cell, like the roofing material 11 with a solar cell, the booth is an integer multiple of twice or more of the booth of the roof tile 1, and on the surface of the roofing material 30 with the solar cell, A concave groove 34 along the flow direction is provided at a position where the booths of the roofing material 30 are allocated at intervals equivalent to the booths of the roof tile 1.
[0036]
Even in the second embodiment, the same actions as the actions {circle around (1)} to {circle around (4)}, {circle around (7)} described above in the first embodiment are achieved.
[0037]
Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration of the present invention is not limited to this embodiment, and there are design changes and the like without departing from the gist of the present invention. Is included in the present invention.
[0038]
【The invention's effect】
As described above, according to the present invention, since the roof material with solar cells is provided on a part of the roof, it forms a beautiful line like a tiled roof that is uniformly continuous over the entire roof, and is excellent in design. The appearance of the roof can be obtained.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a roofing structure of a first embodiment.
FIG. 2 is a perspective view showing the roof tile and the roofing material with solar cells side by side according to the first embodiment.
FIG. 3 shows a roof material with solar cells, (A) is a plan view, (B) is a side view, and (C) is a sectional view showing a concave groove.
4 (A) to 4 (D) are perspective views showing various cross-sectional shapes of concave grooves.
FIG. 5 is a perspective view showing a roof material with a solar cell according to a second embodiment.
FIG. 6 is a cross-sectional view showing a concave groove.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Roof tile 2, 3, 4 Groove 10 Roof 11, 30 Roof material 12 with solar cell 12, 34 Groove 21 Roof material main body 22 Battery accommodating recessed part 23 Solar cell 24 Drainage groove

Claims (5)

In the roofing structure in which roof tiles and roofing materials with solar cells are placed side by side,
Positions in which the booths with solar cells are an integer multiple of twice or more of the booth tiles, and the booths with the solar cells are assigned at the same intervals as the roof tile booths on the surface of the roofing material with solar cells. The roofing structure characterized by providing a concave groove along the flow direction. The groove formed between the roof tiles adjacent to each other in the girder direction, the groove generated between the roof materials with solar cells adjacent to each other in the girder direction, or the roof with solar cells adjacent to each other in the girder direction. The roofing structure according to claim 1, which has the same width as a groove formed between a material and the roof tile. The roofing structure according to claim 1 or 2, wherein the groove has a depth of 4 mm or more. The roof material with solar cells accommodates solar cells in a battery housing recess provided in the roof material body, and a drainage groove connected to the battery housing recess is provided at the water-side edge of the roof material body,
The groove formed between the roof tiles adjacent to each other in the girder direction, the groove formed between the roof materials with solar cells, or between the roof material with solar cells and the roof tiles, sown in the lower stage of the roof material with solar cells The roofing structure according to any one of claims 1 to 3, wherein the drainage groove of the roof material with a solar cell in the upper stage is disposed immediately above the groove to be generated or the concave groove of the roof material with a solar cell. . In the roofing material with solar cells arranged adjacent to the roof tile, a concave groove along the flow direction is provided at a position where the booths with solar cells are allocated at the same intervals as the booths of the roof tile. A characteristic roofing material with solar cells.

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