JP3504108B2 - Roof waterproof structure with a rooftop installation base - Google Patents

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 roof provided with a pedestal for installing rooftop equipment such as a solar cell module.

[0002]

2. Description of the Related Art When installing rooftop equipment such as a solar cell module on a roof, first, a roof board made of waterproofing treatment such as asphalt roofing is applied to a base plate on the main roof, and a frame made of, for example, lip grooved steel is installed. It is common to install and attach a large number of solar cell modules and the like to this mount. The fixing of such a pedestal to the roof substrate is performed by a method such as screwing a screw inserted into the pedestal into the base plate or purlin from above.

[0003]

When the pedestal is fixed by using the screws as described above, screw holes are formed in the base plate and the purlin, but in the conventional case, the screw head is exposed. Therefore, there is a danger that rainwater will infiltrate into the ground plate and the screw holes of the purlin from this exposed portion and soak into the ground plate and the purlin to rot them or cause rain leakage.

In view of the above, it is an object of the present invention to provide a waterproof structure for a roof provided with a pedestal for installation of rooftop equipment having excellent weather protection.

[0005]

[Means for Solving the Problems] Means for solving the above-mentioned problems include a pair of outwardly projecting portions on the bottom of a lip channel steel.
Mount the mounting piece of
By tightening from above with a fixing tool such as a screw or bolt
Fixed to the roof base, covering the exposed part of the fixture with the end of the metal sheet roofing material arranged on the roof base,
With a gantry cover that covers the pair of lips of the gantry separately.
The gap between the edge of the roofing material and the frame.
The rainwater from the gap so that it covers from above.
It is characterized in that it is designed to prevent .

Further, the edge of the roofing material is
Inclination that rises up to cover the exposed part of the fixture
Vertically along the side of the frame from the tip of the inclined piece
And a vertical piece extending over the
With screws, it is fastened to the side of the frame with screws.

[0007]

[0008]

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION A solar cell module installation roof having a waterproof structure according to an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a schematic perspective view of a solar cell module-installed roof of one embodiment of the present invention, FIG. 2 is a side view of the roof inclining direction, and FIG. 3 is a cutaway perspective view of a module installation part in which a solar cell module is installed. 4 is a partially cutaway plan view of the same, FIG. 5 is a partially cutaway plan view of when a dummy module is used, FIG. 6 is a vertical cross-sectional view showing a mounting structure of a mount and a solar cell module, and FIG. An enlarged view, FIG. 8 is an exploded perspective view of the same, FIG. 9 is a vertical cross-sectional view of the eaves part in the roof inclination direction, FIG. 10 is a vertical cross-sectional view of the glazed part in the girder direction, and FIG. 11 is a roof tile and a solar cell module. It is a vertical cross-sectional view of the roof in the direction of roof inclination.

The solar cell module installation roof is shown in Figs.
As shown in Fig. 2, the roof side of the gable roof (10) is a tiled general roof part (12) on which the roof tiles (11) are installed, and the eaves side is a module on which the solar cell module (13) that is the rooftop equipment is installed. The general roof part (12) and the module installation part (14) are arranged along the girder direction of the roof (10) in a staggered manner.

In FIG. 2, reference numeral (15) denotes a plurality of purlins which are arranged on the truss (16) in the girder direction.
A field board (17) is installed on the top, and asphalt roofing (18) is attached to the upper surface of the field board (17). A small and small dance (19) is installed in the girder direction on the side of the roof base, which is slightly closer to the ridge, and the general roof part (12) and the module installation part (14) are bounded by this wide and small dance (19). It is divided into

In the general roof part (12), roof tiles (11) are laid one after another on the asphalt roofing (18), and roof tiles (11) on the eaves side are placed on the Hirokomai (19). A slate roof tile may be used instead of the general roof tile (11).

Further, in the module installation section (14),
Asphalt roofing (18), as shown in Figures 3 and 4.
On top, a frame made of aluminum lip channel steel (20)
Are fixed in parallel to each other along the roof inclination direction, and a waterproof steel plate as a roofing material made of metal plate (21)
Is laid to form a tiled roof. And FIG.
As shown in Fig. 8, a total of 24 solar cell modules (1
3) is installed. The arrangement of the solar cell modules (13) is not limited to this, and for example, there are a total of 24 pieces in the girder row direction, with six pieces in the girder row direction and four rows in the roof tilt direction, or eight pieces in the girder row direction and four pieces in the roof tilt direction. Depending on the roof shape and required power generation capacity, the total number of rows may be 32, for example. Also, when the solar cell module (13) is installed in the module installation part (14), the gap part, that is, the solar cell module (13) is installed in the module installation part (14) due to the difference in size of the roof (10). Although there is a surplus portion which is not formed, in such a case, as shown in FIG. 5, a dummy module (D) is arranged in the surplus portion to adjust the appearance.

Here, the mounting structure of the mount (20) and the mount
The mounting structure of the solar cell module (13) to the (20) is shown in Figs.
Description will be made based on Nos. 7 and 8. The dummy module
Since (D) is mounted in the same manner as the solar cell module (13), the mounting structure of the solar cell module (13) can be directly applied to the mounting of the dummy module (D).

First, the base (20) has a pair of mounting pieces (23) projecting in the girder direction integrally formed at the bottom thereof along the roof inclination direction, and the mounting pieces (23) are screw holes from above from above. The screw (24) which is the inserted fixture is used as the base plate (17) which is the base of the roof.
It is also fixed by screwing it into the purlin (15).

The waterproof steel plate (21) is for the eaves to be attached to the eaves, for the pedestals to be installed between the pedestals (20), for the wire with a pipe for drawing in the wire, for the upper part to be installed near the Hirokomai (19), Equipped with various types such as a glove for mounting on a girder, etc., which are different depending on the place of arrangement, the folded parts (R) that are appropriately bent along the girder direction are engaged with each other, or the ends of the parts are overlapped. As a result, the waterproof steel plates (21) are spread over the entire surface of the base plate (17) so as to surround the pedestal (20) to form a roofing material.

At the end portion of the waterproof steel plate (21) for mounting between the pedestals, which is parallel to the pedestal (20), there is provided an inclined piece (25) which is inclined and raised so as to cover the head of the screw (24) described above. , A vertical piece (26) extending vertically from the tip of the inclined piece (25) along the side surface of the gantry (20)
And are integrally formed. Also, the lip of the mount (20)
The (27) is covered with a pair of inverted L-shaped gantry covers (28) to form a minute gap between the vertical piece (26) of the waterproof steel plate (21) and the side surface of the gantry (20) from above. Covering. Then, these are fastened together with the side surface of the pedestal (20) by screws (29) with packing screwed in the horizontal direction. As a result, rainwater is prevented from entering the screw holes of the mounting piece (23), and a waterproof structure with excellent rain protection and high waterproof performance is provided.

On the other hand, the solar cell module (13) is formed by arranging necessary cells (basic units of solar cells), covering them with tempered glass (33) so that they can be used outdoors, and packaging them in a rectangular shape. As the dummy module (D), for example, an aluminum plate having a surface on which a film having a cell pattern printed is attached is used. A metallic module frame (34) is fitted in a rectangular frame shape around the solar cell module (13). This module frame (34) is a solar cell module (13)
U-shaped fitting groove pieces (36) externally fitted to the ends of the fittings via a cushioning material (35), and a pair of inner and outer vertical pieces hanging from the lower surface of the fitting groove pieces (36) with a space therebetween. (37) (38) and these vertical pieces
(37) Mounting leg piece (40) that extends horizontally across the lower ends of (38)
And are integrally formed. Further, in the module frame (34) arranged along the roof inclination direction, the engaging piece (41) is integrally formed with the outer vertical piece (37).

The mounting leg pieces (4
0) is the cushion material (4
Placed via 2). Then, in the pair of engaging grooves (43) formed by the locking piece (41) of the module frame (34) and the outer vertical piece (37), the length of the solar cell module (13) in the roof inclination direction is almost the same. A pair of vertical pieces (51) of the gate-shaped connecting fitting (50) having the same length are inserted from above to connect the module frames (34) adjacent to each other in the column direction. Further, bolt insertion holes (53) are formed in the horizontal piece (52) of the connecting fitting (50) at predetermined intervals in the roof inclination direction.

On the other hand, in the gantry (20), a plurality of metal fittings (54) are arranged at predetermined intervals so as to face the connecting metal fitting (50). This stopper (54) is provided with an inverted U-shaped central protruding piece (5
5) and a pair of L-shaped contact pieces (58) protruding in the column direction from the lower end of the central protruding piece (55) are integrally formed, and the central protruding piece (55) has a connecting fitting. (50) Bolt insertion hole (5
A nut hole (56) is formed corresponding to 3). And
Fasten the lower end of the connecting bolt (57) inserted from above into the bolt insertion hole (53) of the connecting metal fitting (50) with the nut hole (56) of the stopper metal fitting (54), and secure it with the connecting metal fitting (50) beforehand. With the metal fitting (54) temporarily fixed, insert the metal fitting (54) into the frame (20) and insert the vertical piece (51) of the connecting metal fitting (50) into the engaging groove (43) from above. Then, by tightening the connecting bolt (57) in this state, the ends of the pair of abutment pieces (58) of the stopper (54) will
The solar cell module (13) is fixed to the pedestal (20) by coming into contact with the lower surfaces of the (27), respectively.

To install the solar cell module (13), first, from the first row of shavings on the eaves side to the shavings,
When the first row is completed, these solar cell modules (13)
Electrical wiring is then performed, and then the second and third rows are attached and electrical wiring is performed. The electrical wiring is to connect each solar cell module (13) in series, and the end of the electrical wiring is from the pipe of the waterproof steel plate (21) for drawing in the wiring to the field board (17) and purlin
It is guided into the building through the piping port (59) formed in (15) (see FIG. 3) and finally connected to the inverter. Solar cell module mounted in this way (13)
The surface of the roof is located substantially on the same plane as the surface of each roof tile (11) installed on the general roof (12). Ie the roof
The surface of (10) including the roof tile (11) and the solar cell module (13) has a flat appearance as a whole.

Next, the laid solar cell module (13)
The surrounding structure will be described. Various decorative covers are attached to this peripheral portion to take measures such as covering the end of the gantry (20) and closing a minute gap generated between the pedestal (20) and the module setting section (14). Also, in the periphery,
Waterproofing measures are taken with waterproof steel plate (21).

FIG. 9 shows the structure of the eaves part (60)
Is an eaves side decorative cover arranged along the girder direction, and each mount (20) is provided through the inverted Z-shaped cover mounting bracket (61).
It is fixed over the tip of the eaves side. This eaves side decorative cover (60) is a substantially inverted L-shape and has a solar cell module (1
It has a length that is almost the same as the length in the column direction of 3), and its lower end is fixed to the cover mounting piece (62) of the cover mounting bracket (61) via bolts (63). 17) Stands perpendicular to the eaves and curves in the direction opposite to the eaves, the end of which is placed close to the top of the module frame (34) facing the eaves, and the end of the pedestal (20) exposed to the eaves side. The outer part and the module frame (34) are hidden to improve the appearance of the eaves side end. The horizontal piece (64) of the cover mounting bracket (61) is fixed to the eaves side end of the gantry (20) with bolts (65), and one end of the horizontal piece (64) is moved downward. The cover mounting piece (62) is bent vertically, and the other is bent vertically upward to serve as a positioning piece (66) for positioning by abutting the module frame (34) facing the eaves. .

Further, the ridge-side end of the waterproof steel plate (21) for the eaves is screwed to the base plate (17), and this end is covered with asphalt roofing (18), and further on it. The eaves-side end of the waterproof steel plate (21) for the gantry is overlapped to prevent rainwater from entering the screw holes. Note that FIG.
Inside, (67) is eaves gutter, (68) is eaves main house, (69) is armrest.

FIG. 10 shows the structure of the brush part.
Reference numeral (70) is a glazed side decorative cover which is arranged between the glazed drainer (71) and the module frame (34) opposed thereto and which is continuously arranged along the roof inclination direction.

First of all, the zebra drainer (71) will be described. The zelkova drainer (71) includes a mounting piece (72) fixed to the base plate (17) and an end portion of the mounting piece (72). A vertical piece (73) that rises more vertically and the gable base plate (7) from the upper end of the vertical piece (73).
4) An outer edge piece (76) of substantially inverted L shape which covers the upper part of the gable iron plate (75) and a horizontal piece (77) protruding from the upper end of the vertical piece (73) toward the module frame (34). And are integrally formed.

The mounting piece (72) for the water drainage (71) is a stand.
With one mounting piece (78) of (20) placed, screw the screw (79) inserted into the screw hole formed in these into the field board (17) and purlin (15). It is fastened together by. In addition, the vertical strip (73) has a waterproof steel plate (21)
One end of the waterproof steel plate (21) is fixed by a screw (80) from the horizontal direction, and the waterproof steel plate (21) is extended to the lower end along the vertical piece (73), and then the screw (20) of the gantry (20) described above. 79) is tilted to cover the head and the other end is covered with one lip (27) of the base (20) and inserted into the base (20) through the opening between the lips (27). Has been done. And waterproof steel plate (2
A gap formed between one end of 1) and the vertical piece (73) of the gutter drainer (71) is covered from above by the horizontal piece (77) of the grate drainer (71). This prevents rainwater from entering through the screw holes of both the mounting pieces (72) and (78) of the pedestal (20) and the gutter drainer (71), and has a waterproof structure with excellent rainproof performance. .

The brush-side decorative cover (70) is formed by integrally forming two upper and lower horizontal pieces (85) and (86) and a vertical piece (87) connecting these pieces. module
It has a length substantially the same as the length of the roof inclination direction of (13), and is fixed to the mount (20) through a module mounting bracket (88). The module mounting bracket (88) includes a locking piece (90) having an inverted L-shaped bolt insertion hole, a flat plate-shaped cover mounting piece (91), and a U-shaped connecting piece (92) for connecting them. It is formed by screwing the lower end of the connecting bolt (57) inserted into the bolt insertion hole of the locking piece (90) from above into the stopper metal fitting (54), and then fixing it to the module mounting hardware (88). With the metal fittings (54) temporarily fixed, insert the metal fittings (54) into the frame (20) and attach the locking pieces (90) to the engaging grooves of the module frame (34).
(43) is inserted from above, and by tightening the connecting bolt (57) in this state, the connecting piece (92) is pressed against the waterproof steel plate (21) on the lip (27), and the module frame (34) is removed. It is fixed on the frame (20). Then, on the cover mounting piece (91) of the module mounting bracket (88), the side decorative cover (7
The lower horizontal piece (86) of (0) is fixed by bolts (93).

FIG. 11 shows the solar cell module (13) and roof tile (11).
Shows the structure of the boundary part between the roof tiles (100) and the roof tiles (11) near the eaves and the module frame (34) facing the roof tiles (11). It is a border side makeup cover arranged. This border side makeup cover (100)
Is formed by integrally forming an inverted L-shaped leg piece (101) and a substantially flat plate-shaped inclined piece (102) that is inclined and raised from the end of the leg piece (101). With solar module (13)
The length of the column is substantially the same as the length in the column direction, and is fixed to the pedestal (20) through the cover mounting bracket (103). The cover mounting bracket (103) is a cover mounting piece that is inclined corresponding to the U-shaped mounting piece (104) and the inclined piece (102) of the border side decorative cover (100).
(105) and a horizontal piece (106) connecting these are integrally formed, and the bottom of the U-shaped mounting piece (104) is a bolt (107) at the ridge-side end of the pedestal (20). It is fixed by.

Then, the inclined piece of the border side decorative cover (100)
(102) is fixed on the cover mounting piece (105) of the cover mounting bracket (103) with the bolt (108), so that the inclined piece (102)
Edge of the module near the top of the module frame (34),
The (101) is placed on the waterproof steel plate (21) below the roof tile (11). This allows roof tiles (11) near the eaves
And the module frame (34) have a gap between them
It is closed by (100), and it is inclined in the same direction as the surface of the roof tile (11) and has continuity with the roof tile (11), thus improving the appearance of the boundary portion.

Further, the eaves-side end of the upper waterproof steel plate (21) is superposed on the ridge-side end of the waterproof steel plate (21) for mounting between the pedestals, and both of them are folded via the folded portion (R). Engaged.
Furthermore, the ridge-side end of the waterproof steel plate (21) for the upper part is
It is covered with 9) and fixed with screws (109), and asphalt roofing (18) is covered on this part. This prevents rainwater from entering through the screw holes.

The present invention is not limited to the above embodiment, and it goes without saying that many modifications and changes can be made to the above embodiment within the scope of the present invention. For example, in this embodiment, the pedestal is fixed using screws,
A fixing tool such as a bolt or a nail for fixing the pedestal by inserting it into a field board or purlin may be used. Further, although the gap formed between the end of the waterproof steel plate and the gantry is covered with the gantry cover, a waterproof treatment such as embedding a sealing material in the vacancy may be performed.

[0033]

As is apparent from the above description, according to the present invention, the exposed portion of the fixture for fixing the pedestal to the roof substrate is completely covered with the roofing material, so that rainwater is not exposed to the roof. Since it will be guided to the outside through the upper surface of the roofing material, rainwater will not penetrate from the exposed part of the fixture to the screw holes etc. on the roof base, providing a waterproof structure with excellent rain performance The workability is good.

To fix the pedestal to the roof substrate, the mounting piece protruding outward may be tightened from above with a fixing tool, and the pedestal can be easily fixed.

Further, only by covering the gantry with the gantry cover, it is possible to easily and surely prevent rainwater from entering through the gap between the end of the roofing material and the gantry.

Furthermore, since the vertical piece of the roofing material is fixed to the side surface of the gantry by screws with the gantry cover, these mounting operations can be easily performed.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a solar cell module installation roof of an embodiment of the present invention.

FIG. 2 is a side view of the roof in the same direction.

FIG. 3 is a cutaway perspective view of a module installation portion in which a solar cell module is installed.

FIG. 4 is a partially cutaway plan view of the same.

FIG. 5 is a partially cutaway plan view when a dummy module is used.

FIG. 6 is a vertical cross-sectional view showing a mounting structure for a mount and a solar cell module.

FIG. 7 is an enlarged view of the main part of the same.

FIG. 8 is an exploded perspective view of the same.

FIG. 9 is a vertical cross-sectional view of the eaves portion in the roof inclination direction.

FIG. 10 is a vertical cross-sectional view of a gabber portion in the column row direction.

FIG. 11 is a vertical cross-sectional view in a roof inclination direction of a boundary portion between a roof tile and a solar cell module.

[Explanation of symbols]

(15) Main building (17) Field plate (20) Stand (21) Waterproof steel plate (24) Screw (25) Inclined piece (26) Vertical piece (28) Frame cover (29) Screw

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Claims (2)

(57) [Claims] 1. A lip channel steel projecting outward at the bottom of the channel.
Attach the mount that is formed by integrally forming a pair of mounting pieces
Tighten the piece from above with a fixing tool such as a screw or bolt.
And a roof cover that is fixed to the roof substrate with, and covers the exposed portion of the fixture with the end of the metal sheet roofing material that is placed on the roof substrate, and covers the pair of lips of the frame separately.
Caused between the edge of the roofing material and the frame
The gap is covered from above and the rainwater
A waterproof structure for the roof, which is equipped with a pedestal for installing rooftop equipment, which is designed to prevent entry . 2. An end portion of the roofing material is an inclined piece that is inclined and rises so as to cover an exposed portion of the fixture,
2. The installation of rooftop equipment according to claim 1 , comprising a vertical piece that extends vertically from the tip of the inclined piece along the side surface of the gantry, and the vertical piece is screwed to the side surface of the gantry together with the gantry cover. Waterproof structure of the roof equipped with a stand.