JP2001090294A - Waterproof structure of solar-cell roof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the waterproof structure of a new solar-cell roof in which a leakage of water to a roof foundation material or the like can be prevented when thick tiles are disposed on the sides of solar cell modules at left-right ends in the solar-cell roof. SOLUTION: In the waterproof structure of the solar-cell roof in which a solar cell module 3 and a thick tile 16 are disposed on a roof foundation material 10, interposing a mounting rail 2 and infiltrating water is flowed in the eaves direction by a drip cap 6 extending in the thick tile 16 direction from a side section on the thick tile 16 side of the mounting rail 2, an upstanding piece 63 is formed at the free end section of the drip cap 6, and an accessory tile 7 is placed between the mounting rail 2 and the thick tile 16 so as to cover the upstanding piece 63.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof structure for a solar cell roof.

[0002]

2. Description of the Related Art In recent years, with increasing interest in global environmental issues, as one of new energy technologies utilizing natural energy, a solar power generation system that converts solar energy into electric power by using a solar cell has been attracting attention. As one of the practical forms, solar cell modules are often arranged on a roof of a house or the like.

[0003] For example, FIG. 10 is a schematic view illustrating this practical form. As illustrated in FIG. 10, the solar cell module (3) includes a base plate (11) and a waterproof base material (1).
It is attached between the respective mounting rails (2) arranged on the roof base material (10) such as 2). The solar cell module (3) is usually a solar cell mounted on a frame member, and the frame member is fixed to the mounting rail (2). In this case,
The solar cell module (3) also serves as a roof finishing material,
The roof (1) is finished with the solar cell module (3) and the tile material (13) placed beside the solar cell module (3). The roof (1) in which the solar cell module (3) also serving as a roof finishing material is mounted on the roof base material (10) via the mounting rail (2) is referred to as a solar cell roof (1). And In the solar cell roof (1) of FIG. 10, a dummy module (4) is provided on the ridge side of the solar cell module (3), and a ventilation ridge member is used instead of the normal ridge member (14). (15) is provided, and ventilation of the solar cell module (3) is performed via the dummy module (4) and the ventilation building member (15).

FIG. 11 is a cross-sectional view showing a more specific example of a solar cell module (3) and a mounting rail (2) in a solar cell roof (1), which is provided by the inventor of the present invention. It has already been developed (see JP-A-11-159071). In the example of FIG. 11, the mounting rail (2) includes a fixed cover body (21),
It has a frame support part (22) and a flow trough piece part (23), and is fixed by a fixing screw (24) on a waterproof base material (12) laid on a base plate (11). On the other hand, the frame member (32) of the solar cell module (3) includes a fitting portion (321), a screw portion (322), and a drainer (323), and the fitting portion of the frame member (32). The solar cell module (3) is configured by fitting the peripheral edges of the solar cell (31) (that is, the left and right vertical edges and the ridge / eave side horizontal edges) to (321). Then, the frame member (32) of the solar cell module (3) is placed on the frame support portion (22) of the mounting rail (2), and the fixing cover body (26) is tightened by the fixing bolt and nut fitting (26). 21) Frame member holding portion (211) and frame support portion (22)
And the solar cell module (3) is mounted on the mounting rail (2).

Now, as illustrated in FIG. 10, a tile material (13) such as a flat tile is disposed beside the solar cell module (3) located at the left and right ends of the solar cell roof (1). There are often. That is, the solar cell module (3) and the tile material (13) are arranged with the mounting rail (2) therebetween. In this case, for example, as illustrated in FIG. 12, instead of the normal fixed cover body (21) illustrated in FIG. 11, the frame on the side where the frame member (32) of the solar cell module (3) is not attached. Cover the side of the support part (22) and the drain gutter piece (23), and attach the end of the tile material (13) to the roof base material (10).
A fixed cover body (25) provided with a side cover piece (251) pressed upward is used (Japanese Patent Laid-Open No. 11-1).
No. 59071). More specifically, the fixed cover body (25) for the left and right ends has a frame member (32) of the solar cell module (3) attached to one end thereof with a mounting rail (2).
One step plate portion (221) of the frame support portion (22)
A frame member holding portion (254) for holding and fixing the above;
It has a side cover piece (251) at the other end,
The side cover piece (251) is connected to the frame member (3).
2) The frame support (2
A cover piece support portion (252) that supports the side cover piece portion (251) on the step plate portion (221) of (2), and a tile that presses the end of the tile material (13) onto the roof base material (10). And a material holding portion (253).

Further, the fixed cover body (25) having the side cover piece (251) and the tile material (1) are further provided.
3) When rainwater or the like invades from between the eaves and the like, a drain plate (6) made of metal or the like is provided with a side plate of the frame support portion (22) in order to guide the infiltrated water toward the eaves and to flow. It is provided from the part (222) to the lower part of the tile material (13). The draining plate (6) is fixed to a side plate (222) of the frame support (2) by a fixing screw (61). Further, a folded portion (62) is provided at an end of the draining plate (6) located below the tile material (13).
The folded portion (62) allows rainwater or the like to be removed from the roof base material (1
The water flows toward the eaves without leaking in 0). Therefore, an effective waterproof structure between the solar cell modules (3) at the left and right ends and the mounting rail (2) of the solar cell roof (1) and the tile material (13) adjacent thereto is realized.

[0007]

However, in the conventional waterproof structure as illustrated in FIG. 12, there are practically the following points to be improved in relation to the type of the tile material (13). I was First, the waterproof structure illustrated in FIG. 12 will be further described.
The side cover piece (251) is placed between the tile holding part (253) and the draining plate (6). In this case, rainwater is blocked by the side cover piece (251). And even if it intrudes,
3) can enter only through the gap between the tile material (13),
Side cover piece (251) and tile material holding part (253)
The primary waterproofing is realized by. Furthermore, even if rainwater or the like enters through the gap, the water is drained toward the eaves by the drainer (6), and a small amount of rainwater transmitted between the tile material (13) and the drainer (6) is drained. The secondary waterproofing is realized by the draining plate (6) and the folded portion (62) without being blocked by the folded portion (62) of the plate (6) and leaking to the roof base material (10).

However, in the primary waterproofing and the secondary waterproofing by the conventional waterproof structure, the tile material (13) is formed by the tile material holding portion (253) and the drain plate (6) as illustrated in FIG. It can only be realized in the case of thin roof tiles whose ends can fit in between. That is, a thick material such as a clay tile or a concrete tile having a complicated surface shape and thickness such that the ends cannot be pressed or hidden by the tile holding portion (253) or the side cover piece (251). When the tile is used as the tile material (13), the primary primary waterproofing is not naturally performed by the side cover piece (251) and the tile material holding part (253) as described above, and Part cover part (251) and tile material holding part (253)
It falls directly on the draining board (6) without being interrupted by the water. Of course, the draining board (6) must flow a large amount of rainwater and the like toward the eaves, but as described above, a small amount of water transmitted between the tile material (13) and the draining board (6). In the folded portion (62) made in consideration of blocking the rainwater or the like, it is very difficult to effectively block the further rainwater or the like.

As described above, in the conventional waterproof structure, the tile material (1
When thick tiles are provided as 3), it is difficult to effectively prevent water leakage to the roof base material (10) and the like. The invention of this application has been made in view of the circumstances described above, and solves the problems of the prior art. Therefore, the solar cell modules (3) at the right and left ends of the solar cell roof (1), specifically, When thick tiles are arranged beside the mounting rail (2) to which the solar cell modules (3) at the right and left ends are mounted, the roof base material (10)
It is an object of the present invention to provide a new waterproof structure for a solar cell roof that can effectively prevent water leakage to a solar cell or the like.

[0010]

Means for Solving the Problems In order to solve the above-mentioned problems, the invention of this application is to provide a solar cell module and a thick tile on a roof base material with a mounting rail interposed therebetween. Waterproof structure of the solar cell roof that allows intrusion water to flow in the direction of the eaves by a drain board extending in the direction of the thick tile from the side of the thick rail on the mounting rail, and rises at the free end of the drain board. And a roof tile provided between the mounting rail and the thick roof tile so as to cover the rising piece.

The invention of this application also provides, in the above waterproof structure, that the accessory tile is a sleeve tile or a keraba tile.

[0012]

Embodiments of the present invention will be described below in more detail with reference to the accompanying drawings.

[0013]

(Embodiment 1) FIG. 1 is a sectional view of an essential part showing an embodiment of a waterproof structure for a solar cell roof according to the present invention. For example, as exemplified in FIG. 1, in the waterproof structure of the solar cell roof of the present invention, the solar cell module (3) and the thick tile (16) are placed on the roof base material (10) with the mounting rail (2) interposed therebetween. ), And the mounting rail (2)
The draining plate (6) extending from the side of the thick roof tile (16) toward the thick roof tile (16) allows intruding water to flow toward the eaves. The part is provided with a rising piece (63), and the mounting rail (2) and the thick tile (16) are arranged so that the accessory tile (7) covers the rising piece (6).
It is placed between.

In this case, it will be further described that, in the example shown in FIG. 1, the draining plate (6) is provided at the free end of the draining plate (6) illustrated in FIG. A rising piece (63) is provided in place of the folded part (62). In addition, a sleeve tile (71) is used as the accessory tile (7), and the sleeve tile (71) is provided on a roof base material (10) through a run-in pier (17) and a horizontal pier (18). It is placed so as to cover the rising piece (63) of the drainer (6) between the thick roof tile (16) placed thereon and the mounting rail (2). The thick roof tile (16) in this embodiment is a Japanese roof tile (Japanese roof tile) which is a clay roof tile.

With such a configuration, the hanging lower end portion (711) of the roof tile (71) rests on the flat plate portion (64) of the draining plate (6). If it does not pass between the flat roof part (64) and the roof tile (71), it cannot penetrate below the roof tile (71), the primary waterproofing is realized here, and the lower end part (711) and the flat part (71) Even if a certain amount of rainwater or the like intrudes from the space between the roof tile (71) and the roof tile (71), it is not blocked by the rising pieces (63) and leaks into the roof base material (10).
Secondary waterproofing is realized.

Therefore, in the solar cell roof (1) (see FIG. 3), the ends of the fixing cover (25) of the mounting rail (2) may be covered next to the solar cell modules (3) at the left and right ends. Thick tiles (1
Even in the case of disposing 6), water leakage to the roof base material (10) can be effectively prevented by the above-described primary and secondary two-stage waterproofing.

FIG. 3 illustrates a solar cell roof (1) using the waterproof structure of the present invention illustrated in FIG.
In this example, the ventilation member (5) is installed on the ridge side of the solar cell module (3), and the draining board (6) is provided continuously from the ventilation member (5) to the eaves, and the roof tile (71) Water that has entered between the mounting rail (2) and the roof railing material (10) can be flown in the direction of the eaves, together with the primary and secondary waterproofing of the roof base material (10).

(Embodiment 2) FIG. 4 is a sectional view of a principal part showing another embodiment of the waterproof structure according to the present invention.
6) is an embodiment in the case where the flat tile is a concrete tile. Also in this case, the sleeve roof tile (71), which is the accessory roof tile (7), is replaced with the drain board (6) enlarged and illustrated in FIG.
Is mounted between the mounting rail (2) and the thick roof tile (16) so as to cover the rising piece (63) at the free end of
Primary waterproofing between the hanging lower end (711) of the sleeve tile (71) and the flat part (64) of the draining board (6), and secondary in the rising piece (63) located below the sleeve tile (71). Waterproofing has been realized.

FIG. 6 illustrates a solar cell roof (1) using the waterproof structure of the present invention illustrated in FIG. 4, wherein a roof tile (71) and a mounting rail (2) are provided. The infiltration of water from the roof tiles (1)
It can be seen that the water flows from the ridge to the eaves along the drain board (6) without leaking to the roof base material (10) below the solar cell module (6) and the solar cell module (3).

(Embodiment 3) FIG. 7 is a cross-sectional view of a principal part showing another embodiment of the waterproof structure of the present invention.
6) is an embodiment in the case of having a wave shape. The accessory tile (7) is a keraba tile (72) according to the shape of the thick tile (16), and a climbing roof (8) is provided below the kerava tile (72). This curb roof tile (72) is a drainer (6) enlarged and illustrated in FIG.
Is mounted between the mounting rail (2) and the thick roof tile (16) so as to cover the rising piece (63), and rises between the hanging lower end (721) and the ascent (8). The piece (63) is sandwiched. Even in this case, the keraba roof tile (72)
And the flat part (6) of the draining board (6)
4) and secondary waterproofing on the rising piece (63) located below the keraba roof tile (72).
Stage waterproofing is realized.

FIG. 9 illustrates a solar cell roof (1) using the waterproof structure according to the present invention illustrated in FIG. 7, wherein a roof (72) and a mounting rail (2) are provided between a roof tile (72) and a mounting rail (2). It can be seen that the infiltrated water from the spills from the ridge to the eaves along the drain board (6) without leaking to the roof base material (10) due to the primary and secondary waterproofing described above. The distance between the mounting rail (2) and the tile (7) depends on the size of the solar cell roof (1) itself, the size of the thick tile (16) and the tile (7), and the manner of roofing. Although different, it is possible to cope with various conditions by adjusting the width dimension of the draining board (6) without cutting the thick roof tile (16) or the accessory roof tile (7). In each of the above-described embodiments, the spacing between the mounting rail (2) and the accessory tile (7) is different, but the width of the flat plate portion (64) of the drainer (6) is adjusted according to the spacing. It has been done.

Of course, the present invention is not limited to the above-described example, and it goes without saying that various aspects are possible in detail.

[0023]

As described above in detail, according to the present invention, when thick tiles are arranged beside the solar cell modules and the mounting rails at the left and right ends of the solar cell roof, water leakage to the roof base material and the like is prevented. A new solar roof waterproof structure is provided that can be effectively prevented.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a main part illustrating an embodiment of a waterproof structure for a solar cell roof according to the present invention.

FIG. 2 is an enlarged cross-sectional view illustrating a draining plate in the embodiment of FIG. 1;

FIG. 3 is a schematic plan view illustrating a solar cell roof using the waterproof structure of FIG. 1;

FIG. 4 is a cross-sectional view of a main part illustrating an embodiment of a waterproof structure for a solar cell roof according to the present invention.

FIG. 5 is an enlarged cross-sectional view illustrating a draining plate in the embodiment of FIG. 4;

FIG. 6 is a schematic plan view illustrating a solar cell roof using the waterproof structure of FIG. 4;

FIG. 7 is a sectional view of a main part illustrating an embodiment of a waterproof structure for a solar cell roof according to the present invention.

FIG. 8 is an enlarged cross-sectional view illustrating a drain plate in the embodiment of FIG. 7;

FIG. 9 is a schematic plan view illustrating a solar cell roof using the waterproof structure of FIG. 7;

FIG. 10 is a schematic plan view showing an example of a solar cell roof.

FIG. 11 is a sectional view of a main part showing an example of a conventional solar cell module and a mounting rail.

FIG. 12 is a sectional view of a main part showing another example of a conventional solar cell module and a mounting rail.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roof, solar cell roof 10 Roof base material 11 Field board 12 Waterproof base material 13 Tile material 14 Building member 15 Ventilation building member 16 Thick roof tile 17 Sinking pier 18 Side beam 2 Mounting rail 21 Fixed cover body 211 Frame member pressing part 22 Frame support part 221 Step plate part 222 Side plate part 23 Flow gutter piece part 24 Fixing screw 25 Fixed cover body 251 Side cover piece part 252 Cover piece support part 253 Tile material holding part 254 Frame member holding part 26 Fixed bolt and nut fitting 27 Side Part cover body 271 Cover body support part 272 Tile material holding part 28 Fixing screw 3 Solar cell module 31 Solar cell 32 Frame member 321 Fitting part 322 Screw part 323 Drain part 4 Dummy module 5 Ventilation member 6 Drain plate 61 Fixing screw 62 Folding Part 63 Rising piece 64 Flat plate part 7 Roof tile 71 Sleeve roof tile 711 Hanging lower end 72 Keraba roof tile 721 Hanging lower end 8

Continued on the front page (72) Inventor Kenji Osaka 1048 Kadoma, Kazuma, Osaka Prefecture Matsushita Electric Works, Ltd. Masato 1048 Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Works Co., Ltd. F-term (reference) 2E108 GG16 KK04 LL01 MM00 NN07 5F051 BA03 JA09 JA20

Claims (2)

[Claims] 1. A solar cell module and a thick tile are disposed on a roof base material with a mounting rail therebetween, and a drainer extending in a thick tile direction from a side of the mounting rail on a side of the thick tile. A waterproof structure of a solar cell roof that allows intrusion water to flow in the direction of the eaves by means of a board, and a rising piece is provided at a free end of the draining board, and a tile is attached so as to cover the rising piece. A waterproof structure for a solar cell roof, which is placed between a rail and a thick tile. 2. The waterproof structure for a solar cell roof according to claim 1, wherein the accessory tile is a sleeve tile or a keraba tile.