JP3443554B2 - Solar cell roof - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solar cell roof provided with a solar cell panel, which can be used in a house with solar power generation, a building and the like.

[0002]

BACKGROUND ART Solar energy has been conventionally known as energy that does not adversely affect the environment and ecosystem, and solar cells are installed on roofs of houses and the like in order to use this solar energy. There is. When installing a solar cell on a roof, a solar cell panel in which solar cells, which are solar cells, are housed as a waterproof structure is used. FIGS. 4 and 5 show a conventional solar cell roof using such a solar cell panel. It is shown.

As shown in FIGS. 4 and 5, the solar cell roof 11
Includes a roof panel 12 and a large number of solar cell panels 14 provided on the upper surface of the roof panel 12 via support rails 13 and the like. The roof panel 12 is formed of a core material 20 assembled vertically and horizontally and a roof surface material 21 attached to the core material 20. In addition, the solar cell panel 1
4 is formed by including a panel frame 60 combined in a substantially rectangular shape and a solar cell 61 provided inside the panel frame 60.

An auxiliary frame 62 is provided on the outer periphery of the joint in the inclination direction of the panel frame 60 in the solar cell panel 14. Further, a gasket 63 is provided at an end portion of the panel frame 60 in the end direction as shown in FIG. 5, and a gasket 64 is provided between the panel frame 60 at the end portion in the end direction and the girder side end of the building. It is provided. The size and the like of such a solar cell panel 14 are standardized so that a predetermined voltage and electric power can be obtained by one sheet.

The support rails 13 are continuously attached to the roof surface member 21 along the inclination of the roof, and as shown in FIG. Both sides of can be supported. The support rail 13 includes a support surface 67 that supports the lower end of the panel frame 60, a mounting surface 66 that attaches the side surface lower end of the panel frame 60, and the like, and a gutter provided on the lower surface of the support portion 67. And a shape portion 68.

The support rails 13 are arranged back to back at the joint positions of the panel frames 60 adjacent to each other in the end direction, and are surrounded by the gutter-shaped portion 68 of the support portion 67 and the mounting surface 66. The enclosed space is the drainage channel 69. Further, the space surrounded by the two support rails 13 and the roof panel 21 and the solar cell panel 14 is a ventilation path 70 extending from the eaves side to the ridge side.

As shown in FIG. 4, the tip of the support rail 13 on the eaves side extends over the tip (eaves) 12A of the roof panel 12 and extends to the inside of a gutter 15 attached to the eaves 12A via a connecting girder 16. A drainer 72 and a ventilation louver 73 are provided at the tip of the support rail 13. A large number of ventilation holes are formed in the ventilation gallery 73, whereby external air is introduced from the ventilation gallery 73 into the ventilation passage 70 and the drainage passage 69 as shown by an arrow A, and The air cools the solar cell panel 14 in the air passage 70 and does not reduce the power generation voltage of the solar cell panel 14. Also, from the drainage channel 69 of the support rail 13, water droplets 74, etc.
It is designed to be discharged to the outside via.

The upper end of the support rail 13 on the ridge side extends to the lateral member 75 of the ridge, and is covered with a ridge accessory 78 composed of a ridge ventilation hardware 76, a ridge package 77, and the like.

[0009]

The roof size of a building differs depending on the size and inclination of the building. In order to attach the support rails 13 to such a roof and provide the solar cell panel 14 with the support rails 13 supported on the roof in the conventional manner, the support rails 13 extend to the inside of the gutter 15. It must be manufactured in accordance with the roof dimensions of and with the tip extended to the inside of the gutter. Therefore, the manufacturing of the support rail 13 becomes troublesome,
As a result, there was a problem that the mounting efficiency of the solar cell panel deteriorates.

An object of the present invention is to facilitate the production of a support rail for supporting a solar cell panel, use the support rail commonly for various roofs, and improve the efficiency of mounting the solar cell panel. Is to provide a solar cell roof.

[0011]

In a solar cell roof according to the present invention , a solar cell panel is supported on a support rail provided on a roof surface material of a roof constituting a building along the inclination of the roof.
In the solar cell roof being held, the eaves side end of the solar cell panel is arranged at a position away from the eaves side of the roof by a predetermined distance, and to the eaves side end of the solar cell panel and the eaves side of the roof. An eaves surface plate is installed between the eaves surface plate and the edge part of the eaves surface plate on the solar cell panel side.
Is a notch of a predetermined size formed on the lower surface of the support rail.
Inserted in the section, this notch is the eaves of the support rail.
It is formed by extending a certain dimension from the side tip to the ridge side of the building.
The tip of the support rail is the tip of the solar panel on the eaves side.
It is characterized in that it is located substantially on the same line as the section .

In the present invention as described above, since the eaves surface plate is installed between the eaves side tip of the support rail supporting the solar cell panel and the eaves side of the roof, the support rails are made to correspond to individual roofs. It can be omitted and the support rails can be commonly used for various roofs, which facilitates the production and improves the mounting efficiency of the solar cell panel.

In this solar cell roof, the upper ends of the support rails for supporting the solar cell panel may be covered with a building wing, and the eaves surface plate may be formed of a fire-resistant member. Good.

According to the present invention as described above, the roof surface material between the eaves side of the support rail and the eaves side of the roof is protected from an external fire.

In the present invention, a drainage channel may be formed in the support rail, and a cover member for preventing raindrops from entering the ventilation channel and the drainage channel may be provided at the tip of the support rail on the eaves side. In this case, the cover member is a surface portion fixed to the front end surface of the support rail, and an extension extending from the lower end of the surface portion to the eaves side, and the tip end being arranged with a predetermined gap secured to the upper surface of the eaves surface plate. It may be formed with a part.

According to the present invention as described above, there is no possibility that raindrops or the like will enter the inside of the ventilation passage and the drainage passage due to back wind.

In the present invention, the ridge-side end of the eaves surface plate may be covered with a waterproof cover member, and the ridge side of the cover member may be fixed to the roof surface material, or the ridge side of the cover member. The end may be covered with a roof finish that is attached to the surface of the roof panel. Further, the cover member may be housed in a space formed by cutting out a lower portion near the tip of the eaves side of the support rail.

In the present invention, a ventilation introduction portion for guiding the ventilation from the back surface to the ventilation passage may be provided at a portion of the roof surface material near the eaves side end of the solar cell roof panel.
An air guide passage may be formed between the ventilation introducing portion and the eaves ceiling to guide the outside air taken in from the outside air intake portion formed in the eaves ceiling to the outside air intake portion. The ventilation introducing portion is formed of a tubular member with a collar, and the tubular member has the flange portion mounted on the roof surface material, and the upper end of the tubular member is at a predetermined height from the flange portion. You may have.

According to the present invention as described above, since the air on the back surface and the air on the outside are introduced into the ventilation passage, the solar cell panel is constantly cooled with fresh air, whereby the power generation efficiency of the solar cell panel is normally maintained. It Further, since the upper end of the tubular member of the ventilation introducing portion is at a predetermined height from the flange, even if a large amount of water drops or the like flowing on the upper surface of the roof surface material enters the tubular member and hangs down from there to the eaves back. There is no danger of falling.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows the entire cross section of the solar cell roof 1 of the present embodiment. In this figure, the same components and members as those of the conventional solar cell roof 11 shown in FIGS. 4 and 5 are designated by the same reference numerals, and detailed description of the components will be omitted or simplified. The solar cell roof 1 of this embodiment is provided with a roof panel 12, a number of solar cell panels 4 provided on the upper surface of the roof panel 12 via support rails 3, and provided on the roof panel 12. The eaves surface material 45 extending from the tip to the eaves 12A side is provided.

As shown in detail in FIGS. 2 and 3, the solar cell panel 4 includes a panel frame 30 in which, for example, four frame members are combined in a substantially rectangular shape, and a solar cell 31 provided inside the panel frame 30. Is formed. Panel frame 30
In the lower part of the building, a projecting portion 30A that projects outward in the direction of the end of the building
Is formed, and the panel frame 30 is adapted to be attached to the support rail 13 via the projecting portion 30A. A gasket 33 is provided between the panel frames 30 adjacent to each other in the end direction, and a gasket 34 is provided between the panel frame 30 at the end in the end direction and the end of the building. Further, as shown in FIG. 1, an auxiliary frame 32 is provided on the outer periphery of the joint between the panel frames 30 adjacent to each other in the tilt direction.
By thus providing the gaskets 33, 34, the auxiliary frame 32, and the like on the adjacent panel frames 30, the solar cell panel 4
From the side to the roof panel 12 side is prevented.

As shown in FIGS. 1 and 2, the support rail 3 has its tip on the eaves side at a predetermined distance from the eaves 12A, and the lateral member 7 on the ridge side of the building from that position.
5, the upper end of which is shown in FIG.
Is covered with. As shown in FIG. 3, the support rail 3 is composed of two types of first support rail 5 and second support rail 6. The first support rails 5 are arranged below the two solar cell panels 4 adjacent to each other in the endwise direction and across the solar cell panels 4, and the second support rails 6 are disposed at the end portions in the endwise direction. It supports one side of the solar cell panel 4.

As shown in FIG. 3, the first support rail 5
Is a support portion 3 that supports the side portions of the two solar cell panels 4.
7 and a gutter-shaped portion 38 formed on the lower surface side of the support portion 37.
And a leg portion 39 having a predetermined height formed below the trough portion 38. The support portion 37 is formed in a gutter-like shape by a support surface 35 that rises parallel to the end direction and a mounting surface 36 that joins the lower ends of these support surfaces 35, so that the support portion 37 is an auxiliary gutter. It becomes the shape part 58. The supporting surface 35 is provided with the reinforcing frame 32 of the adjacent solar cell panel 4.
The lower end surface of the panel frame 30 is supported on the mounting surface 36.
The protruding portion 30A is stopped by a screw 25. A waterproof tape or the like is wound around the screw 25.

The gutter-shaped portion 38 is formed integrally with the support portion 37 on the lower surface of the support portion 37, and connects a pair of side plates 38A having a wide upper portion and a narrow lower portion to the lower ends of these side plates 38A. Bottom plate 38B which is
8B and the mounting surface 36 are parallel to each other. here,
The upper portions of the pair of side plates 38A are closed by the mounting surface 36, whereby the internal space surrounded by the gutter-shaped portion 38 and the mounting surface 36 serves as a drainage channel 69 '. The drainage section 69 'can drain water leaked from the support section 37 side from the end on the eaves tip 2A side to the outside.

The leg portion 39 is a bottom plate 38B of the trough portion 38.
Two leg plates 39A which are integrally formed below the bottom of the base plate and are arranged narrower than the width dimension of the bottom plate 38B.
And a base plate 39B provided below these leg plates 39A. And the support rail 3
The base plate 39B after mounting the
The support rails 3 are attached to the roof panel 12 by screwing the screws 41 obliquely downward from the upper side toward the roof surface material 21 and the core material 20.

As shown in FIG. 3, the second support rail 6 has a shape obtained by dividing the first support rail 5 into left and right parts, and includes a support portion 37 ', a trough portion 38', and leg plates. Three
It has legs 39 'with 9A'. Also, the first
The space surrounded by the two support rails 5 and 6, the roof panel 21 and the solar cell panel 4 serves as a ventilation path 70 'extending from the eaves side to the ridge side.

Legs 39, 39 'of each support rail 5, 6
As shown in FIG. 2 , L dimension is removed in the longitudinal direction from the end of the eaves 12A side . That is, the legs 39,
The leg plates 39A and 39'A of 39 'have a height dimension H1 from the upper surface of the roof panel 21 and are cut out along the L dimension, whereby a cutout portion 42 is formed below the gutter-shaped portions 38, 38'. Has been done.

The support rails 5 and 6 are preliminarily manufactured so as to correspond to, for example, the size of the roof that is most often used, and the tip of the support rail 5 and 6 is located in front of a predetermined dimension of the eaves of the roof. When mounting, the upper end is first brought into contact with the lateral member 75 on the ridge side and arranged on the eaves side.

As shown in FIG. 2, the eaves surface plate 45 is provided between the tips of the support rails 5 and 6 and the eaves surface 12A side of the roof, and the eaves surface plate 45 is provided on the roof panel 12. Similar to the provided fireproof roof finishing material 22, for example, it is formed of fireproof members such as a color iron plate and a colored asbestos plate, and two sheets are stacked. The eaves surface plate 45 fills the gap between the tips of the support rails 5 and 6 and the eaves of the roof when the roofs of a predetermined size are provided and the support rails 5 and 6 are arranged from the ridge side of the roof. Therefore, the length in the inclination direction differs depending on the roof. Further, one eave-side end portion 45A of the eaves-front surface plate 45 extends to a position above the gutter 15, and the other end portion 45B on the ridge side is located in the cutout portion 42. In addition, the waterproof sheet 2 is provided on the upper surface of the roof panel 21.
3 is stretched.

A cover plate 46 formed of, for example, a color iron plate that has been rust-proofed is provided on the tip surfaces of the support rails 5 and 6, and the cover plate 46 is provided at the opening of the tip of the support rails 5 and 6. 8 (the tip of the drainage channel 69 ') and the end of the ventilation channel 70' are sealed, and are formed by a surface portion 46A and an extension portion 46B. The surface portion 46A is formed from the tip of the panel frame 30 of the solar cell panel 4 on the eaves side to the gutter-shaped portion 3
Covering almost half of the height of 8, 38 ', the panel frame 30
The upper end of the surface portion 46A is bent toward the eaves side and abuts on the panel frame 30 while being fixed by a screw 47.
Further, the extension portion 46B is bent from the lower end of the surface portion 46A toward the eaves side, and the tip thereof is formed so as to secure a predetermined gap C with the upper surface of the eaves surface plate 45. This gap C
The water vapor 74 flowing from the ridge side passes through, but raindrops and the like blown from the eaves 12A side are hard to enter.

As shown in FIG. 2, the other end portion 45B of the eaves surface plate 45 is covered with a waterproof cover member 48. Similar to the cover plate 46, the cover member 48 is formed of, for example, a color iron plate that is rust-proofed, and is continuous in the end direction. One end 48A of the cover member 48 on the ridge side is located in the cutout portion 42 of each of the support rails 5 and 6 and is fixed to the roof surface member 21, and the other end 48B has a tip end of the support rails 5 and 6. It is located at almost the same position as the tip of No. 6. The roof finishing material 22 is covered on the one end portion 48A of the cover member 48. In addition, on the upper surface of the one end portion 48A of the cover member 48,
From there, a waterproof sheet 24 continuous with the roof sheet 21 and a waterproof sheet 24 continuous with the roof surface material 21 is attached.

As shown in FIGS. 2 and 3, the roof surface member 21 is provided with a ventilation introducing portion 50 for guiding the air from the back surface to the ventilation passage 70 '. The ventilation introducing portion 50 is formed of a tubular member 51 having a flange portion 51A, and the height dimension from the upper surface of the flange portion 51A to the upper end of the tubular member 51 is H2. This height dimension H2 is determined by the cylindrical member 5
Roofing material 2 when 1 is mounted on the roofing material 21
The height is such that water or the like flowing on the upper surface of 1 does not enter the back of the eaves from inside the tubular member 51. Since such a ventilation introducing portion 50 is intended to introduce new air into the ventilation passage 70 ′, it is preferable to provide the ventilation introducing portion 50 at a position close to the eaves tip 12A. Alternatively, they may be arranged in a staggered pattern.

As shown in FIGS. 1 and 2, the eaves 12A
An outside air intake portion 27 is formed on the eaves 26 of the roof, and the air guide passage 2 is provided between the outside air intake portion 27 and the ventilation introduction portion 50.
8 is formed. Then, the outside air introduced from the outside air intake portion 27 enters the inside of the air passage 70 ′ via the air guide passage 28 and the ventilation introduction portion 50, and circulates therein to cool the solar cell panel 4. It has become.
In order to cool the inside of the air passage 70 'without being disturbed by the ventilation of the attic, the air in the attic is exhausted from the wife without being exhausted from the ridge.

In order to form such a solar cell roof 1, after a waterproof sheet 23, a roof finishing material 22 and the like are attached to the roof panel 12 at the factory, a cover member is placed at a predetermined position near the eaves side of the roof panel 12. 48, the ventilation introducing section 50, etc. are attached, one end is covered with this cover member 48, and the eaves surface plate 45 is attached. Next, the second support rails 6 are attached to both ends of the roof surface member 21 in the endwise direction, and the first support rails 5 are attached between these support rails 6, respectively. The first and second support rails 5 and 6 may be mounted on site.

After that, at the site, a plurality of solar cell panels 4 are sequentially attached to the support rails 5 and 6, and gaskets 33, 3 are provided between the end portions of the respective solar cell panels 4 in the end direction.
4 is attached, and the reinforcing frame 32 is attached to the joint portion of each solar cell panel 4 in the inclination direction. On the other hand, a cover plate 46 is attached to the tips of the support rails 5 and 6, and the cover plate 46 closes the openings 8 of the ventilation passage 70 'and the drainage passage 69'.

According to this embodiment as described above, the following effects can be obtained. That is, the tip ends of the support rails 5 and 6 are located at a predetermined distance from the eaves tip 12A, and the eaves tip surface plate 45 is provided from there, and the eaves tip surface plate 45 is adjusted. Since it only has to correspond to the size,
The support rails 5 and 6 do not have to be manufactured for each roof. For this reason, the support rails 5 and 6 can be commonly used for various roofs, the manufacturing is facilitated, and the solar cell panel mounting efficiency is improved.

A cover plate 46 is attached to the tips of the support rails 5 and 6, and the gutter-shaped portions 38 of the support rails 5 and 6 are
The auxiliary trough portion 58 and the air passage 70 ′ are provided on the cover plate 46.
Since it is covered with, even if wind and rain blows from the eaves side, raindrops and the like are unlikely to enter the ventilation passage 70 'and the like. Further, since the eaves surface plate 45 is formed of a fireproof roof finishing material, the roof surface material from the tips of the support rails 5 and 6 to the eaves area is protected from an external fire.

Further, since fresh air outside is always introduced into the ventilation passage 70 'from the outside air intake portion 27 of the eaves 26 via the air guide passage 28, the solar cell panel 4 is always cooled. As a result, the power generation effect of the solar cell panel 4 is normally maintained. In addition, the support rails 5 and 6 have the support portion 37.
Since the support portion 37 is also an auxiliary gutter-shaped portion 58 formed by the support surface 35 and the mounting surface 36, in the event of water leakage from the solar cell panel 4 side, The auxiliary trough portion 58 can drain water to the outside, and even if the auxiliary trough portion 58 cannot be completely drained due to a failure or the like, the auxiliary trough portion 38 can drain water. For this reason, water hardly drips on the roof surface material 21.

Further, the solar cell panel 4 is supported in a stable state because the side surface on one side in the ridge direction is supported by the mounting surface 36 and the lower portion of the side surface is supported by the supporting surface 35. further,
The height dimension from the flange 51A to the upper end of the tubular member 51 is H.
Since the height of the roof surface material 21 is two, even if the amount of water droplets 74 or the like flowing on the upper surface of the roof surface material 21 is large, it is unlikely that it will enter the tubular member 51.
There is no danger that 4th grade will hang down the back of the eaves.

Further, the support rails 5 and 6 have leg portions 39 and 3 respectively.
Since it has 9 ', it is sufficient to fix the leg portions 39, 39' to the roof surface member 21 without raising the gutter-like portion 38 on the uneven portion of the roof, thereby stabilizing the support rails 5, 6. It is possible to support it. Further, the leg portions 39, 39 ′ of the support rails 5, 6 are cut out from the tip on the eaves side in the longitudinal direction with a dimension L, and this space serves as the cutout portion 42. The air passage 7 is at the end 45B.
Even if the concave portion of the roof is formed between the eaves surface plate 45 and the roof surface material 21 by entering the inside of 0 ', the concave portion can be accommodated in the cutout portion 42. Therefore, even if the roof has irregularities, the drains 69 'of the support rails 5 and 6 are provided.
Can be used as it is, and a smooth flow of water droplets in the drain portion 69 'can be secured.

The present invention is not limited to the above-described embodiment, but includes the following modifications as long as the object of the present invention can be achieved. For example, in the above-described embodiment, the cover plate 46 is formed by bending an iron plate into the surface portion 46A and the extension portion 46B, but is not limited to this, and the surface portion 46A and the extension portion 46B are separate members, It may be manufactured by joining by welding or the like.
The member to be used is not limited to the iron plate, and synthetic resin such as plastic may be used. Further, the extension portion 46B may not be slanted and may be parallel to the eaves surface plate 45. In short, according to the present invention, the ventilation passage 70 'and the drainage passage 69' are provided.
Any cover member can be used as long as it can prevent raindrops and the like from entering the opening on the eaves side.

Further, in the above embodiment, the ventilation introducing section 50.
Although the tubular member 50 in the above is provided with the flange 51A, the present invention is not limited to this, and the tubular member may have no flange. However, if the collar 51A is provided as in the above-described embodiment, when the collar 51A is attached to the roof surface member 21, it is sufficient to press the collar 51A until it comes into contact with the roof surface member 21, which facilitates positioning and
Installation is also easy.

Further, in the above embodiment, the outside air intake section 2
The air guide passage 28 from 7 to the ventilation introducing portion 50 is a passage of air in a simple space, but is not limited to this, and the outside air intake portion 27 and the ventilation introducing portion 50 may be connected by, for example, a vinyl pipe or the like. Good.

Further, in the above embodiment, the notch 42 of the support rail 3 is formed by cutting the support rail 3 from the tip on the eaves side to the dimension L in the longitudinal direction. A notch may be formed at the position corresponding to the uneven portion of the roof formed at a predetermined position in the direction.

[0045]

As described above, according to the solar cell roof of the present invention, the eaves surface plate is provided between the eaves side end of the support rail supporting the solar cell panel and the eaves side of the roof. Since it can be installed, the support rails do not have to be manufactured corresponding to individual roofs, and the support rails can be used in common for various roofs, which facilitates the manufacture and mounts the solar cell panel. Efficiency is improved.

Further, since the support rail is provided with a cover member for preventing raindrops from entering the ventilation passage and the drainage passage, raindrops and the like from the eaves side enter the inside of the ventilation passage and the drainage passage. The risk is reduced.

Further, the roof surface member is provided with a ventilation introducing section, and the outside air taken in from the outside air intake section formed in the eaves ceiling is guided to the outside air intake section between the ventilation introducing section and the eaves ceiling. Since the air guide path is formed, the air on the back side and the outside is introduced into the ventilation path, which constantly cools the solar cell panel with fresh air, thus maintaining the power generation effect of the solar cell panel normally. It

[Brief description of drawings]

FIG. 1 is a front view showing a solar cell roof according to an embodiment of the present invention.

FIG. 2 is an enlarged view showing a main part of the solar cell roof of the present embodiment.

3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a front view showing a conventional solar cell roof.

5 is a sectional view taken along line VV of FIG.

[Explanation of symbols]

1 solar cell roof 3 support rails 4 solar panel 12 roof panels 27 Outside air intake 28 Wind guide 30 panel frame 31 solar cells 37 Support 38 Gutter 39 legs 45 eaves surface plate 46 Cover plate 48 cover member 50 Ventilation introduction part

Claims (7)

(57) [Claims] 1. A solar cell pack is mounted on a support rail provided on a roof surface material of a roof constituting a building along the slope of the roof.
In the solar cell roof where the flannel is supported, the eaves side end of the solar cell panel is arranged at a position separated from the eaves side of the roof by a predetermined distance, and the eaves side end of the solar cell panel and the roof. An eaves surface plate is installed between the eaves and the solar panel of this eaves surface plate.
The side end is a predetermined length formed on the lower surface of the support rail.
A notch of a size that is inserted into the support
It extends from the tip of the eaves on the eaves side to the ridge side of the building.
And the tip of the support rail is formed on the solar cell panel.
A solar cell roof, which is located almost on the same line as the tip of the eaves side . 2. The solar cell roof according to claim 1, wherein the eaves surface plate is formed of a refractory member. 3. The solar cell roof according to claim 1 or 2, wherein the ridge-side end of the eaves surface plate is covered with a waterproof cover member, and the ridge side of the cover member is the roof panel. The solar cell roof is characterized by being fixed to. 4. The solar cell roof according to claim 3, wherein the ridge-side end of the cover member is covered with a roof finishing material attached to the surface of the roof panel. . 5. The solar cell roof according to any one of claims 1 to 4, wherein a portion of the roof surface material near the eaves side end of the solar cell roof panel is provided with ventilation from the back surface. A solar cell roof, which is provided with a ventilation introducing portion that leads to a road. 6. The solar cell roof according to claim 5, wherein, between the ventilation introducing portion and the eaves ceiling, the outside air taken in from the outside air intake portion formed in the eaves ceiling is taken into the outside air. A solar cell roof, characterized in that an air duct leading to the entrance is formed. 7. The solar cell roof according to claim 5 or 6, wherein the ventilation introducing portion is formed of a tubular member with a collar, and the tubular member has a collar portion on the roof surface. A solar cell roof, wherein the solar cell roof is placed on a member, and the upper end of the tubular member has a predetermined height from the flange portion.