JPH11107453A - Solar cell-holding tile and method for installing solar-cell unit on roof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve work efficiency by forming a cell-holding frame to be installed on the substrate material of a roof of an incombustible material, fixing solar cells in the cell-holding frame and making the cell-holding frame the external shape of a single tile or multiple tiles. SOLUTION: A solar cell-holding tile A is formed by fixing solar cells 2 in a cell-holding frame 1, the horizontal size of the cell-holding frame 1 is set at the size of multiple plain tiles provided. And then a fixing groove 3 is provided on the upper inside perimeter of the cell-holding frame 1 and a solar cell 2 is fitted into the fixing groove 3 through a sealing material 4 and a cooling space C is formed between the solar cell 2 and the bottom of the cell holding frame 1. And then a below-the frame water drip W1 furnished with a rising portion W12 on both sides of the water drip W11 made by bending a metal plate, is mounted into a lower mounting groove 7 provided in the lower portion of the outside of a longitudinal frame member 1A of the cell-holding frame 1. Therefor, the roof can be made lightweight and earthquake resistant.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photovoltaic cell holding tile used when a solar cell unit is installed on a roof and a method of installing the solar cell unit on a roof.

[0002]

2. Description of the Related Art In recent years, from the viewpoint of energy saving, various techniques for mounting a solar cell unit for generating electric power by sunlight on a roof have been proposed. In these technologies, as shown in FIG. 23, a solar cell unit b is installed on a roof tile a laid on a field board using a support structure. However, such a conventional technique has a problem that the weight of the roof is increased by the amount of the solar cell unit b. Further, in addition to the roofing work, the work of installing the solar cell unit b is required, and there is a problem that the work efficiency is reduced. Furthermore, mounting the solar cell unit b on the roof tile a gives an unnatural feeling, impairs the beauty of the roof, and reduces the design value of the house.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to reduce the weight of a roof and improve the efficiency of installation work of a solar cell unit. In addition, the present invention provides a solar cell holding tile and a method for installing a solar cell unit on a roof, which can reduce material costs and do not impair the beauty of the roof.

[0004]

According to a first aspect of the present invention, there is provided a solar cell holding tile comprising a non-combustible material for a cell holding frame installed on a roof base material. The solar cell is fixed in the holding frame.

According to a second aspect of the present invention, in the solar cell holding tile according to the first aspect, the cell holding frame is arranged in the same outer dimensions or a roof base material as one roof tile. Characterized by being formed to have the same outer dimensions as a plurality of roof tiles.

According to a third aspect of the present invention, there is provided a solar cell holding tile according to the first or second aspect.
A cooling space for the solar cell is formed between the solar cell and the bottom surface of the cell holding frame.

According to a fourth aspect of the present invention, there is provided a solar cell holding tile according to any one of the first to third aspects, wherein a fixing groove is formed on an inner periphery of the cell holding frame, and The solar cell is fixed to the cell holding frame by fitting a peripheral portion of the battery cell into the fixing groove.

According to a fifth aspect of the present invention, there is provided the solar cell holding tile according to any one of the first to fourth aspects, wherein a radiating hole is formed in the ridge side horizontal frame member of the cell holding frame. It is characterized by being drilled.

According to a sixth aspect of the present invention, there is provided a solar cell retaining roof tile according to any one of the first to fifth aspects, wherein the roof drainage is disposed on a bottom surface of the cell retaining frame. The mounting portion for mounting both side portions of the cell holding frame is formed on the outer surface of the vertical frame member of the cell holding frame.

According to a seventh aspect of the present invention, in the solar cell holding tile according to any one of the first to sixth aspects, a mounting portion for mounting a waste water drainer is provided by a cell holding frame. Is formed on the outer surface of the vertical frame member.

According to an eighth aspect of the present invention, in the solar cell holding tile according to any one of the first to seventh aspects, the mounting portion for mounting the frame joint cover is a cell holding frame. Is formed on the outer surface of the vertical frame member.

According to a ninth aspect of the present invention, in the solar cell holding tile according to any one of the first to eighth aspects, a mounting portion for mounting a drainage body for receiving the roof is provided. It is characterized in that it is formed on the outer surface of the vertical frame material of the frame.

According to a tenth aspect of the present invention, in the solar cell retaining tile according to any one of the first to ninth aspects, a mounting portion for attaching a flashing drainer is provided. It is characterized in that it is formed on the outer surface of the vertical frame material of the frame.

According to an eleventh aspect of the present invention, in the solar cell retaining tile according to any one of the first to tenth aspects, the mounting portion for mounting the frame-drainable drainage body is a cell. The holding frame is formed on the outer surface of the vertical frame member.

According to a twelfth aspect of the present invention, in the solar cell holding tile according to any one of the first to eleventh aspects, the connecting piece with a drain groove for connecting to the roof tile is provided. It is characterized in that the cell holding frame protrudes laterally from the outer surface of the vertical frame member.

According to a thirteenth aspect of the present invention, there is provided a method of installing a solar cell unit on a roof, wherein a plurality of solar cell holding tiles are used by using a solar cell holding tile in which solar cells are fitted in a cell holding frame formed of a noncombustible material. The tiles are lined up on the roof base material, and the solar cell unit is installed on the roof base material by fixing the cell holding frame of the solar cell holding tile to the roof base material with a fixture. I do.

According to a fourteenth aspect of the present invention, in the method for installing a solar cell unit on a roof according to the thirteenth aspect, it is preferable that the rainwater entering the cell holding frame of the solar cell holding tile is provided. In order to flow the water to the eaves side, a frame drainage body is disposed on the bottom surface of the cell holding frame.

According to a fifteenth aspect of the present invention, there is provided a method for installing a solar cell unit on a roof according to the thirteenth or fourteenth aspect, wherein the solar cell unit is installed between the right and left adjacent solar cell holding tiles. In addition, a frame drainer is disposed.

According to a method of installing a solar cell unit on a roof according to claim 16, the solar cell unit is installed on the roof according to any one of claims 13 to 15. The cell holding tile is connected by a frame joint cover.

The method for installing a solar cell unit on a roof according to claim 17 is the method for installing a solar cell unit on a roof according to any one of claims 13 to 16. The ridge side is covered with a roof drain with drain holes.

[0021]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 13 show a first embodiment of the present invention. As shown in FIG. 1, the solar cell holding tile A is configured by fixing a solar cell 2 in a cell holding frame 1. The cell holding frame 1 includes a pair of left and right vertical frame members 1A, a ridge-side horizontal frame member 1B, and an eave-side horizontal frame member 1.
C, and these frame materials 1A, 1B, 1C are
It is a molded product of aluminum (an example of a noncombustible material).
The non-combustible material includes a flame-retardant synthetic resin and a quasi-non-combustible material in addition to a metal material and the like. The lateral dimension of the cell holding frame 1 is
The length of a plurality of flat roof tiles such as asbestos slate roof tiles and metal roof tiles is set in the horizontal direction, and the length is set to be the same as that of the flat roof tiles. And the thickness are set substantially the same.

As shown in FIG. 2, a fixing groove 3 is provided on the entire inner circumference of the upper portion of the cell holding frame 1, and the sealing material 4 is provided in the fixing groove 3 by the peripheral edge of the solar cell 2. Solar cell 2 and cell holding frame 1
A cooling space C for cooling the heat released from the solar cells with air is formed between the bottoms of the solar cells. The fixing groove 3 is formed on the inner periphery of the cell holding frame 1 by projecting a pair of inner flanges 3A and 3B. At the upper end of the pair of left and right vertical frame members 1A of the cell holding frame 1, a protruding portion 5 protruding toward the ridge side from the ridge side horizontal frame member 1B is provided. As shown in FIG. 4, the cooling space C
A heat radiating hole 6 is formed for releasing the heat of the solar battery cell 2 to the outside by communicating with the outside. As shown in FIG. 2, a water return 31 is formed at the lower end of the cell holding frame 1.

As shown in FIG. 2, a lower mounting groove 7 for mounting the frame drainer W1 is formed in a lower portion of the outer side surface of the vertical frame member 1A of the cell holding frame 1. The lower mounting groove 7 has a slit shape opened upward, is formed over the entire length of the vertical frame material 1A, and is opened at the end face of the ridge side end and the end face of the eave side end of the vertical frame material 1A. (See FIG. 1).
The lower mounting groove 7 is an example of a mounting portion for the frame drainer W1. On the other hand, the frame drainage body W <b> 1 allows rainwater that enters the inside of the cell holding frame 1 to flow down to the eaves side.

As shown in FIG. 2, the frame drainage body W1 is
It is formed by bending a non-combustible plate (for example, a metal plate that has been subjected to a rust-proof treatment), and a rising plate is provided on both sides of a drainer main body W11 formed to have substantially the same size as the bottom surface of the cell holding frame 1. The section W12 is started, and the rising plate section W
The insertion portion W13 is folded back from the upper end of the insertion portion 12 to the inside. Then, before the solar cell holding tile A is attached to the base plate (roof base material) D shown in FIG. 10, the insertion portion W13 of the frame drainage body W1 is attached to the vertical frame of the cell holding frame 1. It is inserted into the lower mounting groove 7 from the upper end or lower end of the material 1A and is attached to the solar cell holding tile A.
In addition, if the solar battery cell 2 is a nonflammable material, the frame drainage body W1 does not need to be formed of a fire-resistant material.

As shown in FIG. 2, on the upper part of the outer side surface of the vertical frame member 1A of the cell holding frame 1, a waste water drainer W2 shown in FIG.
The upper mounting groove 7A is formed over the entire length of the vertical frame member 1A, and the ridge-side end of the vertical frame member 1A is formed. It also opens to the end face of the eaves and the end face on the eaves side.
The upper attachment groove 7A is an example of an attachment portion for the waste drainer W2. On the other hand, as shown in the figure, the draining body W2 is disposed at the connection between the solar cell holding tile A adjacent to the right and left and the normal roof tile B, and penetrates into the connection. Rainwater is allowed to flow down to the eaves.

As shown in FIG. 6, the draining body W2 is
It is formed by bending a rust-proof metal plate,
The rising plate portion W22 is raised from the base end of the draining main body portion W21 disposed below the connection end portion B1 of the roof tile B, and the insertion portion W23 is folded inward from the upper end of the rising plate portion W22. Have been. As shown in FIG. 5, before the connection with the roof tile B, the discarded drainer W2 inserts the insertion portion W23 of the discarded drainer W2 into the vertical frame material 1 of the cell holding frame 1.
A is inserted into the upper attachment groove 7A from the upper end or the lower end of A and attached to the solar cell holding tile A.

As shown in FIG. 2, an upper flange portion 8 is formed on the vertical frame member 1A of the cell holding frame 1, and a slit-like portion opened in the opposite direction to the lower portion of the upper flange portion 8. A first holding groove 9 and a second holding groove 9A are formed. The first holding groove 9 and the second holding groove 9A are formed over the entire length of the vertical frame material 1A, and are opened at the ridge-side end surface and the eave-side end surface of the vertical frame material 1A (see FIG. 1). ). The first holding groove 9 is
This is an example of a mounting portion of the roof drainer D3 shown in FIGS. 3 and 4, and the second holding groove 9A is an example of a mounting portion of the flasher drainer W4 shown in FIGS.

As shown in FIG. 3 and FIG. 4, the roof tile drainer W3 is formed by bending a rust-preventive metal plate, and includes a ridge side frame member 1B and a vertical frame of the cell holding frame 1. Lumber 1
An upper cover plate portion W31 and an upper cover plate portion W3 that cover the upper part on the ridge side of A.
1 comprises a vertical covering body portion W32 vertically extending from an end on the ridge side, and an overlapping plate portion W33 overlapping the ridge side end portion of the frame drainage body W1. A ventilation hole W34 communicating with the heat radiating hole 6 is formed. As shown in FIG. 6, both right and left ends of the upper cover plate W31 are folded downward to form an insertion portion W35.

The insertion portion W35 of the roof drainer W3 is inserted into the first holding groove 9 from the upper end or the lower end of the vertical frame member 1A of the cell holding frame 1, and the insertion portion W35 is inserted into the first holding groove 9 In the state where the solar cell holding tile A is covered with the upper cover plate portion W31, both ends of the vertical cover body portion W32 are located on the ridge side end of the protrusion 5 of the vertical frame member 1A of the cell holding frame 1. Be involved. As shown by the two-dot chain line in FIG. 3, a roof tile B located above the solar cell holding tile A is stacked on the upper cover plate portion W31 of the roof tile drainer W3.

As a result, as shown in FIG. 4, the space 11 is formed by the solar cell holding tile A and the roof receiving drainer W1, and the space 11 is formed by the radiation holes 6 of the solar cell holding tile A.
Communicates with the cooling space C of the solar cell holding tile A.
Then, as indicated by the arrow in FIG. 4, the high-temperature air in the cooling space C is discharged to the outside through the heat radiation hole 6 and the ventilation hole W34, and conversely, the external low-temperature air is discharged to the heat radiation hole 6 and the ventilation hole W3.
4 and flows into the cooling space C. Symbol L in FIG.
Indicates the working dimension of the solar cell holding tile A, which is the effective length of the tile.

As shown in FIGS. 5 and 6, the flashing drainer W4 is formed by bending a rust-preventive metal plate, and is disposed above the connection end B1 of the roof tile B. A horizontal portion W43 is extended from the rain presser drainer main body W41 via a bent portion W42, and the insertion portion W44 is folded upward from the horizontal portion W43. As shown in FIG. 5, before the roofing of the solar battery cell holding tile A, the flashing drainer W4 can be inserted into the insertion portion W44 of the flashing drainer W4 from the upper end or the lower end of the vertical frame member 1A of the cell holding frame 1. It is attached to the solar cell holding tile A by inserting it into the second holding groove 9A.

Reference numeral W5 in FIG. 7 denotes a frame drainer, which is located at the bottom between the solar cell holding roof tiles A adjacent to each other as shown in FIG. The rainwater that enters between the roof tiles A, A that are to be laid is drained toward the eaves. As shown in FIG. 7, the frame-drainable drainer W5 is formed by bending a rust-preventive metal plate, and is provided between the solar cell holding tiles A, A that are laid adjacently on the left and right. From both sides of the frame-drained drainer main body W51 having a width substantially the same as the gap of
52, and the insertion portion W53 is folded inward from the upper end of the rising plate portion W52.

As shown in FIG. 8, the frame-drained drainer W5
Is inserted into the lower mounting groove 7 from the ridge-side upper end or the eave-side lower end of the vertical frame member 1A of the cell holding frame 1 and is superimposed on the insertion portion W53 of the frame drainage body W1. Lower mounting groove 7
Is an example of a mounting portion for the frame-drained drainer W5. FIG.
As shown in Fig. 10, the frame-drained drainer W5 is fixed to the base plate D shown in Fig. 10 by a fixture 10 such as a nail. In addition, a caulking material 11 is filled around the fixing device 10 and a waterproof process is performed.

Reference numeral W6 in FIG. 7 is a frame joint cover, which is a roof tile A,
It covers the connection between A. As shown in FIG.
The frame joint cover W6 is formed of a rust-proof metal plate, and the end of the frame joint cover W6 is screwed to the outer flange 8 of the cell holding frame 1 of the solar cell holding tile A. Fixed. As described above, the outer flange portion 8 also functions as a mounting portion for the frame joint cover W6. Frame joint cover W
At the eaves-side end of 6, an end face cover portion that covers the ridge-side end face of the connection portion between the solar cell holding tiles A, A is vertically provided.

The solar cell holding tile A constructed as described above is laid together with a normal roof tile B on a field board D provided with a tile bar E (FIG. 9 and FIG. 9). FIG.
0). Symbol F in FIG. 9 indicates a ridge. First, the roof tile B is laid from below the base plate D constituting the roof surface. Then, instead of the roof tile B, a solar cell holding tile A is laid in place of the solar cell unit C. Frame drainer W
1. The waste drainer W2 and the tile receiver drainer W3 are attached to the solar cell holding tile A in advance before the solar cell holding tile A is laid. As described above, since the solar battery cell holding tile A is directly attached to the base plate D, the solar battery unit can be installed by the roofing work.

In the gap between the photovoltaic cell holding tiles A, which are laid adjacent to each other on the left and right sides, a frame-removed drainer W5 is disposed. As described above, the frame-removable drainer W5 is fixed to the base plate D with the fixture 10, and the insertion portion W53 of the frame-removable drainer W5 is attached to the lower mounting groove of the cell holding frame 1 of the solar cell holding tile A. Insert into 7. The gap between the solar cell holding tile A and the roof tile B, which are laid adjacently on the left and right, is
Cover with. Note that, before the solar cell holding tile A is laid, the flashing drainer W4 may be attached to the solar cell holding tile A.

An insertion hole for a fixing tool such as a nail is formed in an appropriate place of the cell holding frame 1, and the solar cell holding tile A is fixed to the base plate D by the fixing tool passed through the insertion hole.

FIG. 9 shows a solar cell unit C formed by assembling solar cell holding tiles A. In FIG. 9, the outer peripheral shape of the entire solar cell unit C is a rectangular shape elongated in the left-right direction. However, by changing the roofing position of the solar cell holding tile A, it is needless to say that the solar cell holding tile A can be formed into a cross, a triangle, or a polygon.

Further, the shapes of the cell holding frame 1 and the solar cell 2 of the solar cell holding tile A are not limited to quadrangular shapes.
The design can be changed as appropriate depending on the roofing location, roofing method, and the like.

FIG. 11 is a perspective view showing a state in which a solar cell unit C is installed on a roof by roofing a solar cell holding tile A having the same outer dimensions as a roof tile B.

FIG. 12 shows a drain groove 18 extending outward from the outer surface of the vertical frame member 1A of the cell holding frame 1 of the solar cell holding tile A.
FIG. 2 shows a solar cell holding tile A in which a connecting piece 19 having an extension is provided, and a connecting end B of a roof tile B is provided on the connecting piece 19.
By overlapping the two, the solar cell holding tile A and the roof tile B are connected.

FIG. 13 shows a connecting piece 20 outwardly from the outer flange 8 of the vertical frame member 1A of the cell holding frame 1 of the solar cell holding tile A.
Is shown, and the solar cell holding tile A and the roof tile B are connected by stacking the connecting piece 20 on the connection end B2 of the roof tile B.

FIG. 14 shows the frame joint cover W7 which does not require any fixing device such as a screw. The frame joint cover W7 is formed by bending a rust-proofed metal plate similarly to the above-described frame joint cover W6, but as shown in FIG. W
70, and further, the insertion portion W71 is folded outward from the tip of the folded portion W70. Then, by inserting the insertion portion W71 into the first holding groove 9 from the upper end of the ridge-side end or the lower end of the eave-side end of the vertical frame member 1A of the cell holding frame 1, the frame joint cover W7 holds the solar battery cell. It can be attached to the tile A.

FIGS. 15 to 22 show a second embodiment of the present invention. 15 is a perspective view of the solar cell holding tile A, FIG. 16 is an enlarged vertical sectional view of the solar cell holding tile A, FIG. 17 is an enlarged vertical sectional view of the solar cell holding tile A, and FIG. FIG. 19 is a cross-sectional view showing the roofing state of the solar cell holding tile A and the normal roof tile B in FIG. 19; and FIG. 19 is a cross-sectional view showing the roofing state of the solar cell holding tile A and the normal roof tile B in the vertical direction. .

As shown in FIG. 15, the photovoltaic cell holding tile A is constituted by fixing a photovoltaic cell 2 in a cell holding frame 1, and the cell holding frame 1 comprises a pair of left and right vertical frame members. 1
A, 1D, the ridge-side horizontal frame member 1B and the eave-side horizontal frame member 1C are joined, and these frame members 1A, 1B, 1C, 1D are hollow molded products of aluminum (an example of a noncombustible material). is there. The non-combustible material includes a flame-retardant synthetic resin and a quasi-non-combustible material in addition to a metal material and the like. The horizontal dimension of the cell holding frame 1 is set to the same dimension (for example, about 130 cm) as the length when a plurality of flat tiles such as asbestos slate tiles and metal tiles are laid in a row in the horizontal direction. The vertical dimension and thickness of the holding frame 1 are set to be the same as the vertical dimension and thickness of the flat tile (for example, the vertical dimension is about 35 cm and the thickness is about 3 cm).
And).

As shown in FIGS. 16 and 17, a fixing groove 3 is provided on the entire inner periphery of the upper portion of the cell holding frame 1, and a peripheral portion of the solar cell 2 is sealed in the fixing groove 3. It is fitted through the material 4.

In the present embodiment, a solar cell 2 which is not affected by temperature dependence is employed. Therefore, there is a space C between the solar cell 2 and the bottom surface of the cell holding frame 1.
1 are formed (FIGS. 15 and 16), but the space C1 is not required for cooling the solar cell 2. Further, the ridge-side horizontal frame member 1B is not provided with a heat radiating hole.

As shown in FIG. 16, the eave-side horizontal frame 1C is
A protection cover portion 12C is integrally formed on the front surface of the horizontal frame member main body 11C having the fixing groove 3, and the protection cover portion 12C
13C is configured to hang from the lower end of the cover. The protective cover portion 12C protects the horizontal frame member main body 11C, and the shape of the protective cover 12C is the same as the tip shape of the roof tile B. Therefore, when the roof is looked up from the ground or the like, it is difficult to distinguish between the solar cell holding tile A and the roof tile B, and the design value of the roof can be maintained. The color of the solar cell holding tile A to the cell holding frame 1 may be the same as that of the roof tile B. As shown in FIG. 19, a gap G is formed between the solar cell holding tile A and the roof tile B located below the solar cell holding tile A, but the eave-side horizontal frame member 1C is hidden. The gap G can be hidden by the piece 13C.

As shown in FIG. 16, the ridge side horizontal frame member 1B is
An insertion hole 12B of the fixture H is formed in the ridge-side horizontal frame material main body 11B having the fixing groove 3, and a drainer 13B is erected at the ridge-side end of the upper surface of the ridge-side horizontal frame material main body 11B. The ridge-side horizontal frame member 1B is formed wider than the eave-side horizontal frame member 1C. The drainer 12B prevents rainwater from entering through a gap between the solar cell holding tile A or the roof tile B laid on the upper stage of the solar cell holding tile A. By attaching a protective tape made of a synthetic resin or the like to the upper surface of the ridge-side horizontal frame member 1B of the cell holding frame 1, the roof tile B laid on the upper stage of the solar cell holding tile A becomes a solar cell. Wear of the solar cell holding tile A due to contact with the cell holding tile A can be prevented.

As shown in FIG. 17, the vertical frame member 1D has an overlap piece 12D extending from the upper end of the outer surface of the vertical frame material body 11D having the fixing groove 3, and the overlap piece 12D
A hole 13D for a fixture such as a screw or a nail is formed at the base end of
It is configured such that a hanging portion 14D is provided at the tip of the overlap piece 12D.

As shown in FIG. 17, the vertical frame material 1A has an underlap piece 12A extending from the lower end of the outer side surface of the vertical frame material body 11A having the fixing groove 3, and the overlap piece 12A
Is provided with a rising portion 13A at the tip of the.

FIG. 18 shows the joined state of the solar cell holding tile A and the roof tile B that are laid in the horizontal direction. At the junction between the solar cell holding tile A and the connection end B1 of the roof tile B, an overlap piece 12 of the solar cell holding tile A is provided.
A water return space J is formed by the hanging portion 14D of D. In addition, the solar cell holding tile A is laid on a field board D provided with a tile bar E shown in FIG. 19, and is fixed by a fixing tool H inserted into the insertion holes 12B and 13D of the cell holding frame 1. It is fixed to the field board D. Examples of the fixing tool H include a stainless steel screw with packing.

FIG. 20 shows the protective cover 12C and the hidden piece 1.
The eave-side horizontal frame member 1E from which 3C is omitted is shown. The eave-side horizontal frame member 1E is a basic form of the eave-side horizontal frame member. As shown in the figure, by attaching a sponge (regular sealer) K to the lower surface of the eave-side horizontal frame member 1E, it is possible to fill the gap with the roof tile B located at the lower level like the hidden piece 13C, and When the sponge (regular sealer) K comes into contact with the roof tile B, fine irregularities on the surface of the roof tile B can be absorbed and fitted to the surface of the roof tile B.

FIG. 21 shows a water return 1 on the eave-side horizontal frame material of the basic type.
It is sectional drawing of eave side horizontal frame material 1F provided with the hidden piece 12F with 1F. In addition, water return is the hidden piece 13 of the eave side horizontal frame material 1C.
C may be provided.

FIG. 22 shows a joint state between a vertical frame member 1G having an overlapping piece 11G having a straight tip and a roof tile B. When the overlapping piece 11G having a straight tip is used as described above, it is possible to join the roof tile B whose connection end is cut off. However, since no void for returning water is formed in the joint, the gap between the vertical frame material 1G and the roof tile B is closed with a sealing material. At the base end of the overlap piece 11G, an insertion portion 12G of the fixture H is formed. The frame members 1E, 1F, and 1G are hollow molded products of aluminum (an example of a metal material).

In the first and second embodiments described above, the case of single character roofing has been described. However, the shape of the solar cell holding tile A is changed according to other various ways of roofing. In addition, the solar cell holding tile A can be attached to and used on the outer wall surface of the curtain wall.

[0057]

As described above, according to the photovoltaic cell holding tile of claim 1, the photovoltaic cell holding tile is placed on the field plate in the same manner as the roof tile is laid on the field plate. By laying the tile, the solar cell unit can be installed on the roof. Therefore, the efficiency of the installation work of the solar cell unit is improved as compared with the conventional work of further installing the solar cell unit on the roof tile laid on the field board. In addition, the roof tile is not required for the solar cell holding tile laying space, the roof is reduced in weight, the seismic performance is improved, and the material cost of the roof tile is also advantageous.
In addition, since the cell holding frame is formed of a non-combustible material, the solar cell can be protected.If, for example, a metal material is used as the non-combustible material, the solar cell holding tile can be reduced in weight, and the tile can be laid. Work efficiency is further improved. In addition, since the metal material is also excellent in strength, even if the cell holding frame has a length corresponding to a plurality of roof tiles, there is no problem in strength, the manufacturing cost is reduced, and the cell holding frame has reinforcing ribs. Can easily be formed, so that reinforcement for earthquake resistance and wind resistance becomes easy. Furthermore, since the solar battery cell holding tile is incorporated into the roof tile laid on the ground board, the roof tile and the solar battery unit are integrated, and the beauty of the roof is not impaired by the solar battery unit, The design value of the house can be maintained.

According to the solar cell holding tile of the second aspect,
Since the cell holding frame has the same external dimensions as one roof tile, the integration of the roof tile and the solar cell unit can be further enhanced. Since it was formed to have the same external dimensions as the number of sheets,
By laying a single solar battery cell holding tile, roofing work for a plurality of roof tiles can be performed, and the efficiency of the installation work of the solar battery unit can be further improved.

According to the solar battery cell holding tile of the third aspect,
The heat released from the solar cells can be cooled by the air inside the cooling space. According to the solar cell holding tile of the fourth aspect, the solar cell does not accidentally come off the cell holding frame. According to the solar cell holding tile of the fifth aspect, the cooling efficiency of the solar cell can be improved by the heat radiation holes. According to the photovoltaic cell holding tile of claim 6, rainwater can flow down to the eaves front side by the frame drainage body, and the photovoltaic cells can be protected.

According to the solar cell holding tile according to the seventh aspect,
It is possible to drain the connection between the solar cell holding tile and the roof tile. According to the photovoltaic cell holding tile of the eighth aspect, it is possible to cover the connection portion between the photovoltaic cell holding tiles that are laid adjacently on the left and right. According to the solar cell holding tile of the ninth aspect, the roof drain tile can protect the solar cell holding tile from the roof tile laid on the upper stage of the solar cell holding tile.

According to the tenth aspect of the present invention, it is possible to drain the connection between the solar cell retaining tile and the roof tile. According to the solar battery cell holding tile of claim 11,
It is possible to drain the connection between the solar battery cell holding tiles. According to the solar cell holding tile of the twelfth aspect, it is possible to drain the connection between the solar cell holding tile and the roof tile.

According to the method for installing a solar cell unit on a roof according to claim 13, the efficiency of installation work of the solar cell unit is improved, the roof is reduced in weight, and
The seismic performance is improved, the material cost of the roof tile is also advantageous, and the beauty of the roof is not impaired by the solar cell unit.

According to the method for installing a solar cell unit on a roof according to the fourteenth aspect, the drain under the frame is disposed below the solar cell holding tile, so that the cell holding frame of the solar cell holding tile is provided. Rainwater that enters the interior can flow to the eaves side, and the solar cell itself can be protected. According to the method for installing a solar cell unit on a roof according to claim 15,
Drainage between the cell holding frames is made possible by the frame draining body disposed between the solar cell holding tiles adjacent to the left and right.

According to the method for mounting the solar cell unit on the roof according to the sixteenth aspect, the connection portions of the solar cell holding tiles adjacent on the left and right can be covered with the frame joint cover. According to the method for installing a solar cell unit on a roof according to claim 17,
The roof tiles can protect the solar cell holding tiles, and the cooling holes can improve the cooling efficiency.

[Brief description of the drawings]

FIG. 1 is a perspective view of a solar cell holding tile according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line XX of FIG.

FIG. 3 is a perspective view showing a state where a frame drainer and a roof receiver drainer are attached to the solar cell holding tile.

FIG. 4 is a sectional view taken along line YY of FIG. 3;

FIG. 5 is a perspective view showing a state in which a frame drainer, a waste drainer and a flasher drainer are attached to the solar cell holding tile.

FIG. 6 is a cross-sectional view showing a connection state between the solar cell holding tile and a normal roof tile.

FIG. 7 is a cross-sectional view showing a connection state between the solar battery cell holding tiles.

FIG. 8 is an enlarged cross-sectional view showing a state in which a frame drainer and a frame drainer are attached to the solar cell holding tile.

FIG. 9 is a cross-sectional view showing a state in which the solar cell holding tile and the roof tile are laid.

FIG. 10 is a perspective view showing an installation state of a solar cell unit on a roof.

FIG. 11 is a perspective view showing an installation state of a solar cell unit on a roof.

FIG. 12 is a cross-sectional view showing a connection state between the solar cell holding tile and the roof tile.

FIG. 13 is a cross-sectional view showing a connection state between the solar cell holding tile and the roof tile.

FIG. 14 is a cross-sectional view showing a connection state between the solar cell holding tiles.

FIG. 15 is a perspective view of a solar cell holding tile according to another embodiment of the present invention.

FIG. 16 is an enlarged longitudinal sectional view of the solar cell holding tile.

FIG. 17 is an enlarged vertical sectional view of the solar cell holding tile.

FIG. 18 is a cross-sectional view illustrating a roofing state of a solar cell holding tile and a roof tile in a horizontal direction.

FIG. 19 is a cross-sectional view showing a state in which a solar cell holding tile and a roof tile are laid in a vertical direction.

FIG. 20 is a cross-sectional view showing a basic shape of the eave-side horizontal frame member.

FIG. 21 is a sectional view showing an eaves-side horizontal frame member provided with a hidden piece in a basic shape.

FIG. 22 is a cross-sectional view showing a joint state between a roof tile and a solar cell holding tile having overlapping pieces with straight ends.

FIG. 23 is a perspective view of a conventional example.

[Explanation of symbols]

Reference Signs List A solar cell holding tile B roof tile C cooling space part 1 cell holding frame 2 solar cell 3 fixing groove 6 radiating hole 7 lower mounting groove (mounting part for draining body below frame and draining body thrown away from frame) 7A upper mounting groove (Attachment part of the draining body) 9 1st holding groove (attachment part of the draining body for tile roof) 9A 2nd holding groove (attachment part of the draining body of the rain presser) W4 Rain presser drainer W5 Frame drainer

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Shoji Sakaiya 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.

Claims (17)

[Claims] 1. A photovoltaic cell holding tile in which a photovoltaic cell is mounted on a roof base material, and a photovoltaic cell is fixed in the photovoltaic cell holding frame. 2. The cell holding frame is formed to have the same outer dimensions as one roof tile or the same outer dimensions as a plurality of roof tiles arranged in rows on a roof base material. Item 4. The solar cell holding tile according to Item 1. 3. The solar cell holding tile according to claim 1, wherein a cooling space portion of the solar cell is formed between the solar cell and the bottom surface of the cell holding frame. 4. A fixing groove is formed on the inner periphery of the cell holding frame, and the solar cell is fixed to the cell holding frame by fitting a peripheral portion of the solar cell into the fixing groove.
The solar cell holding tile according to claim 1. 5. The solar battery cell holding tile according to claim 1, wherein a radiating hole is formed in a ridge side horizontal frame member of the cell holding frame. 6. An attachment portion for attaching both side portions of a frame drainer disposed on a bottom surface of the cell holding frame is formed on an outer surface of a vertical frame member of the cell holding frame. The solar cell holding tile according to any one of claims 1 to 5. 7. The solar cell according to claim 1, wherein a mounting portion for mounting the waste water drainer is formed on an outer surface of the vertical frame member of the cell holding frame. Battery cell holding tile. 8. The solar cell according to claim 1, wherein a mounting portion for mounting the frame joint cover is formed on an outer surface of the vertical frame member of the cell holding frame. Battery cell holding tile. 9. The cell holding frame according to claim 1, wherein a mounting portion for mounting the drainage body for roof tiles is formed on an outer surface of the vertical frame member of the cell holding frame. Solar cell holding tile. 10. The method according to claim 1, wherein the mounting portion for mounting the flashing body is formed on the outer surface of the vertical frame member of the cell holding frame. Solar cell holding tile. 11. The cell holding frame according to claim 1, wherein a mounting portion for mounting the frame drainer is formed on an outer surface of the vertical frame member of the cell holding frame. Tiles holding solar cells. 12. The connection piece with a drain groove for connecting to a roof tile is protruded laterally from an outer surface of a vertical frame member of a cell holding frame. The solar cell holding tile according to claim 1 or 2. 13. A solar cell holding tile in which solar cells are fitted in a cell holding frame formed of a non-combustible material, and a plurality of solar cell holding tiles are arranged in a row on a roof base material. A method for installing a solar cell unit on a roof, comprising: mounting a solar cell unit on a roof base material by fixing a cell holding frame of a battery cell holding tile to a roof base material with a fixture. 14. A frame drainage body is provided on the bottom surface of the cell holding frame for draining rainwater entering the interior of the cell holding frame of the solar cell holding tile to the eaves side. Installation method of the solar cell unit on the roof described in 4. 15. The installation of a solar cell unit on a roof according to claim 13 or 14, wherein a water drainage body between frames is disposed between right and left adjacent solar cell holding tiles. Method. 16. The solar cell unit according to claim 13, wherein the right and left adjacent solar cell holding tiles are connected by a frame joint cover. Installation method. 17. The solar system according to claim 13, wherein a roof side of the solar cell holding tile is covered with a roof drain having a heat radiation hole. How to install the battery unit.