JPH10169133A - Solar cell unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simultaneously mount a plurality of modules and perform a roofing work only by fixing a frame by a method wherein a plurality of solar cell modules are premounted on a frame fixed on a roof to form an integral unit. SOLUTION: The upper surface of the main house of a solar cell mounting roof part is reduced to a level lower than that of the upper surface of the main house of a general roof part and a sheathing roof board is arranged thereon and a difference in a level is produced at the sheathing roof board arranged on the main house of a general roof part. Further, a roofing plate is mounted on the upper surface of the sheathing roof board of a battery mounting roof part through asphalt roofing and a solar cell frame 10 is mounted thereon. Further, the above is fixed by a bolt extending through the main house. In this case, a plurality of solar cell modules 28 are attached to the frame 10 to form a unit and simultaneously with mounting of the frame 10, a plurality of modules 28 are mounted. This constitution causes the frame 10 to form a pedestal fixed on the roof as it is, performs a roofing work simultaneously with mounting, and reduces a product cost.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD OF THE INVENTION

[0002] The present invention relates to a solar cell unit mounted on a roof of a building such as a house.

[0003]

2. Description of the Related Art Conventionally, a commercially available solar cell installed on a roof has one module and one unit in which one module is surrounded by a frame, and these units are individually mounted on a mount fixed on the roof. It is fixed to.

[0004]

As described above, since the conventional solar cell has one module and one unit, it has to be mounted on the gantry for each module.
There is a disadvantage that the mounting operation requires a lot of time and labor.

[0005] In addition, there is a drawback that a frame for mounting is required for each module as described above, and the unit price is increased, and a stand for receiving the frame in advance is required.

According to the present invention, there is no need to fix a plurality of solar cell modules to a frame on a roof one by one on a site basis. It is an object of the present invention to be able to install the module at the same time as the roofing work.

[0007]

In order to solve the above-mentioned problems, the present invention comprises a pair of frames fixed on a roof and a plurality of solar cell modules arranged side by side along the longitudinal direction of the frames. , Which are previously formed as an integrated unit.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 9, a ridge side of a roof is a tiled general roof part (1) and an eave side is a solar cell installation roof part (2) as shown in FIG. is there.

FIG. 1 shows a cross section of the solar cell installation roof part (2) in the roof inclination direction. Figure 2 shows the solar cell roof
FIG. 3 is a cross-sectional view in the column direction of (2), and FIG. 3 is an enlarged view of a main part thereof. In the figure, (3) shows a main roof of the general roof (1), (4), (4)... Are main roofs of a solar cell installation roof (2), and (5) is a solar cell installation. Although it is a part, the eaves main house of the eaves part is shown. As shown in this figure, the upper surfaces of the purlins (4) and (5) in the solar cell installation roof part (2) are lower than the upper surface of the purlin (3) of the general roof part (1). By installing the base plate (6), a step is provided with respect to the base plate (7) installed on the main house (3) of the general roof portion (1). On the upper surface of the roof plate (6) of the solar cell installation roof (2), a roofing plate (9) made of a metal plate such as a color steel plate is installed via asphalt roofing (8). A solar cell frame (10) is installed and these are fixed by bolts (11) passing through the purlin (4).

In the general roof part (1), similarly, a roof tile (13) is installed on an upper surface of a field board (7) via an asphalt roofing (12). Note that a slate roof tile may be used instead of the roof tile (13).

Next, the structure of the solar cell installation roof part (2) will be described. First, a roofing sheet (9) as a roofing material made of a metal sheet formed in advance, as shown in FIG. The ends in the girder row direction are cut up and raised in the vertical direction leaving both ends in the vertical direction to form rising pieces (15) and (15), and the rising ends are formed at one end. An overlapping piece (18) is provided in a stepped manner on a portion other than the piece (15). Further, an upward bent piece (16) is integrally formed at the upper end in the roof inclination direction, and a downward bent piece (17) is integrally formed at the lower end.

The roofing plate (9) thus formed is shown in FIG.
As shown in the above, on the asphalt roofing (8),
The shingles (9) are sequentially laid in the girder direction on the upper surface of the overlapping piece (18) at the end so that the ends of the adjacent shingles (9) overlap. At this time, as shown in FIGS.
A square waterproof rubber sheet (20) is installed in accordance with the positions of the bolt holes (19) of (4) and the ground board (6), and a roofing board (9) is placed on it.
Layer. In addition, the bent piece (16) at the upper end is the general roof part (1)
The tip of the purlin (3) at the end shall be waterproofed to cover the side, and the bent piece (17) at the lower end shall be drained off the eaves. In this way, by laying the respective roofing plates (9) (9)... In the row direction, the slits (21) are formed between the rising pieces (15) (15) of the respective roofing plates (9).
(21) is formed. The positions of the slits (21) are determined so as to correspond to the bolt holes (19).

In FIG. 6, reference numerals (22), (22)... Denote holding brackets for fixing the solar cell frame (10). As shown in FIG. The bolt (11) is inserted from above into a bolt hole formed in a central piece of a substantially downward U-shape extending downward, and the bolts (11) (11). The slit (21)
From above, it is inserted from above into the bolt holes (19) of the base plate (6) and the purlin (4) and installed.

As shown in FIGS. 3 and 4, the solar cell frame (10) includes a vertical piece (25) and an upper cover piece (26) projecting horizontally from the upper end of the vertical piece (25). On the same side as the upper cover piece (26), a lower fixing piece (27) projecting obliquely upward has a substantially U-shaped cross section, and as shown in FIG. 7, a pair of frames (10) ( 10) are arranged in parallel so that the upper cover piece (26) and the lower fixing piece (27) are on the outside, and the solar cell module ( 28). At this time, a plurality of solar cell modules (28), three in this embodiment, are preliminarily attached integrally in the longitudinal direction, and each solar cell module (28) (2
Between the frames (8), the connecting frames (29) and (29) are attached across the frames (10) and (10). That is, a plurality of solar cell modules (28) are previously prepared in the frames (10) (1).
The unit (36) is integrally mounted between the points (0) and (6), and is carried into the site, whereby the plurality of solar cell modules can be installed at one time. In addition,
Between the ends of the frames (10), (10), connecting plates (30) (30) for reinforcement during transportation are attached as necessary.

As shown in FIG. 3, the solar cell module (2
8) is the protective glass (31) on the surface and the cell body (32) below it
The end of the glass (31) is attached to the upper cover piece (2
6) Above is fixed by the structural sealant (33). In the vicinity of the tip of the upper cover piece (26), an upwardly rising piece (34) is integrally formed. On the other hand, a horizontal portion (35) extending outward in the horizontal direction is formed at the upper end of the lower fixing piece (27).

As shown in FIG. 8, the solar cell units (36) are sequentially arranged on the upper surface of the roofing plate (9) while being arranged in a row direction. At this time, the frames (10) and (10) The lower fixed piece (27) is installed so as to cover the rising piece (15) of the roof plate (9) from the left and right. And this lower fixed piece
(27) From above, a holding bracket through which the bolt (11) is inserted
(22) and the frame (10) is fixed by tightening a nut (37) screwed on the lower side of the purlin (4). A semicircular notch (44) for inserting the bolt (11) is formed at the tip of the lower fixing piece (27). At this time, the inclined side pieces (23) (23) on both sides of the holding bracket (22)
By sliding along the outer surface of the inclined lower fixing piece (27), the lower fixing pieces (27) and (27) are held so as to be attracted. As a result, the frames 10 adjacent to each other are completely adhered to each other and are firmly and integrally supported. On the other hand, the frame (10) (10) fixes the end of the roofing plate (9) by pressing the roofing plate (9) against the field board (4) with the tightening force of the bolt (11).

That is, the rising piece (1) at the end of the roofing plate (9)
5) is covered by a frame (10) and supported by bolts (11) for fixing the frame (10). The frame (10) (10) supporting the battery module (28) also serves as a structure, and the solar cell module can be installed in substantially the same operation as the construction work of the tile bar roof.

The upper cover pieces (26) (2) of the frame (10)
A downward U-shaped connecting member (39) is fitted and attached so as to straddle between the grooves (38) and (38) at the tip portion of 6), and further,
In the upper part, modules (28) (2
A strip-shaped cover plate (40) is fixed by screws (45) so as to straddle between the glass upper surfaces of 8). On the other hand, frame (10)
A waterproof rubber (41) as a sealing material is provided on the lower surface of the device along the groove on the lower surface. The frame (1
A ventilation space (42) is left below the solar cell module (28) between (0) and (10).

In the above description, the space between the frames (10) and (10) constituting the roofing bar cap is provided at both ends in the roof inclination direction so as to straddle the frames (10) and (10). This frame by attaching the plate (43)
(10) The space between (10) is substantially sealed and integrated.

[0020]

As described above, according to the present invention, since a plurality of solar cell modules are attached to a frame in advance to form a unit, it is not necessary to attach a single unit of one module to a gantry at an on-site site. Since a plurality of modules are attached at the same time, the number of man-hours for on-site construction can be greatly reduced.
Also, the frame becomes a stand that is fixed to the roof as it is,
The mounting can be performed simultaneously with the roofing work, and the product cost can be reduced since there is no need to provide a frame for each module.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a solar cell roof in a roof inclination direction according to an embodiment of the present invention.

FIG. 2 is also a cross-sectional view in the column direction.

FIG. 3 is an enlarged sectional view of a main part of FIG. 2;

FIG. 4 is a perspective view of a solar cell frame mounting portion.

FIG. 5 is a perspective view of a roofing plate.

FIG. 6 is also a perspective view of a solar cell installation roof showing a method of installing a roofing plate.

FIG. 7 is an exploded perspective view of a main part of a unit including a solar cell frame and a solar cell module.

FIG. 8 is a perspective view of a solar cell installation roof showing a method of installing the solar cell unit.

FIG. 9 is a perspective view illustrating an example of a roof including a general roof and a solar cell installation roof.

[Explanation of symbols]

 (10) Solar cell frame (28) Solar cell module (36) Solar cell unit

Claims (1)

[Claims] 1. A solar cell unit in which a pair of frames fixed on a roof and a plurality of solar cell modules arranged side by side along the longitudinal direction of the frames are integrated as a unit in advance.