JP2002250138A - Building with solar battery - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a building with a solar battery that can provide day lighting into an optional room inside the building without damaging the structural continuity of solar battery panels and the appearance. SOLUTION: A light receiving part 31 of the optical fiber equipment for accepting day lighting device 30 that is formed in the same standard configuration as that of a solar battery panel 24 is incorporated into a solar battery energy generating device 21 in a building with a solar battery that has the solar battery energy generating device 21. This ensures structural continuity of the light accepting part 31 and the solar battery panel 24 as well as introduction of day lighting into any room inside the building with the solar battery without damaging the appearance of the building with the solar battery.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building with a solar cell in which a solar cell panel is arranged in a building to constitute a solar cell energy generator.

[0002]

2. Description of the Related Art Conventionally, a solar cell panel is provided on a roof of a house or the like in order to effectively utilize solar energy as electricity. This solar cell panel is mainly in the shape of a plane rectangle, and as a method of installing the solar cell panel on the roof, there is a method of supporting the solar cell panel on the roof surface by arraying the solar cell panels with a holding material, There is a method of assembling and arranging a solar cell panel as a roof material without a gap on the lower ground (see JP-A-11-62144). On the other hand, in recent years, there has been a demand for lighting in buildings other than windows on the wall side. For this reason, a daylighting device (for example, Japanese Patent Laid-Open Publication No. 57-180802) is provided with a skylight to allow light to pass through a room under the roof, or to illuminate through an opening on the outer surface of the building, and to guide the external light to an arbitrary room distant from the daylighting position by an optical fiber. See) has been developed.

[0003]

There are buildings each provided with a solar cell panel and buildings provided with an optical fiber type lighting device, but there is no building provided with both. It is conceivable that a solar cell panel is installed and external light is guided to an arbitrary room by an optical fiber. In this case, however, a part of the solar cell panel must be omitted to provide an optical fiber light receiving unit. For this reason, the arrangement structure of the solar cell panels without gaps is broken, structural continuity is not obtained, and appearance is poor.

[0004] It is an object of the present invention to provide a building with a solar cell that can secure lighting in any room in the building without impairing the structural continuity and appearance of the solar cell panel.

[0005]

Therefore, the present invention employs the following structure to achieve the above object. The invention according to claim 1 will be described with reference to the attached drawings. This is a building 1 with a solar cell in which a plurality of solar cell panels 24 are arranged in at least a part of the building to constitute a solar cell energy generating device 21. In addition, the building 1 with a solar cell is provided with an optical fiber type daylighting device 30 that irradiates the collected light into the building 1 with a solar cell, and the optical fiber type daylighting device 30 includes a light receiving unit 31, an irradiation unit 32, It has an optical fiber section 33 for connecting the light receiving section 31 and the irradiating section 32, and the light receiving section 31 is formed in the same standard shape as the solar cell panel 24, and is incorporated in the solar cell energy generating device 21. It is characterized by being.

According to the first aspect of the present invention, the light receiving portion 31 of the optical fiber type daylighting device 30 formed in the same standard shape as the solar cell panel 24 is incorporated in the solar cell energy generating device 21 to thereby provide the light receiving portion 31. And the solar cell energy generator 21 can be structurally continuous, and the appearance of the building is improved. In addition, by using the optical fiber type daylighting device 30, outside light can be guided to an arbitrary room, and the solar cell energy generating device 21 can convert the collected light into electric energy and use it.

According to a second aspect of the present invention, in the building 1 with a solar cell according to the first aspect, the solar cell energy generating device 21 includes a girder-assembled frame 25 and a planar rectangular shape attached to the frame 25. , And the light receiving section 31 is attached to the frame 25. According to the second aspect of the present invention, by attaching both the solar cell panel 24 and the light receiving section 31 to the frame 25, the attachment work of these devices can be easily performed.

According to a third aspect of the present invention, in the building with solar cells 1 according to the first or second aspect, the solar cell energy generating device 21 forms a part of a roof 20 of the building. According to the third aspect of the present invention, since the solar cell energy generating device 21 is installed on the roof 20 to which the sunlight shines most, a large amount of light can be collected to generate power. In addition, since the light receiving section 31 is also arranged on the surface of the roof 20, a large amount of light is collected and the light
2 can be sent to a predetermined place.

According to a fourth aspect of the present invention, in the building with solar cells 1 according to the third aspect, the solar cell energy generating device 21 also serves as a roof finishing material. In the invention according to claim 4 having this configuration, the solar cell energy generator 21 is not separately provided on the roof surface, and does not impair the appearance of the roof.

According to a fifth aspect of the present invention, in the building with solar cells 1 according to the fourth aspect, the roof 20 has a roof base material 22, and an upper surface of the roof base material 22 and a lower surface of the solar cell panel 24. A ventilation gap 23 is formed between them. According to the fifth aspect of the present invention, since the solar cell can be cooled by the air flowing through the ventilation gap 23, it is possible to prevent a decrease in the energy conversion efficiency of the solar cell due to a rise in temperature.

According to a sixth aspect of the present invention, in the building 1 with a solar cell according to the fifth aspect, each of the plurality of solar cell panels 24 has an output wiring 26, and the output wiring 26 and the optical fiber section 33 are connected to each other. Ventilation gap 23
Through the hole 27 formed in the roof base material 22 and through the interior of the building 1 with solar cells.

According to the sixth aspect of the present invention, since the optical fiber portion 33 and the output wiring 26 are laid through the roof base material 22 and are wired inside the building 1 with a solar battery, the optical fiber portion 33 and the output wiring 26 pass through the outside of the building 1 with a solar battery and go inside. The length of the optical fiber part 33 and the output wiring 26 may be shorter than that in the case of wiring, and there is no possibility that the optical fiber part 33 and the output wiring 26 exposed outside the building may be cut. Furthermore, since only the roof base material 22 is penetrated, the construction is simple.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIG.
Explanation will be made based on FIG. FIG. 1 shows an entire building 1 with a solar cell according to the present embodiment. The building 1 with solar cells has a building body 10 constructed by stacking a plurality of building units 11 manufactured in advance in a factory on a foundation 2 and a roof 20 is constructed on the building body 10. . Although not shown, the building unit 11 is obtained by assembling construction materials such as a bottom material and a wall material into a substantially rectangular parallelepiped skeleton incorporating columns and beams.

The roof 20 includes an inclined roof base material 22 (see FIG. 2), a solar cell energy generator 21 installed along the roof base material 22, and a single flat plate-shaped light receiving device for receiving light. And a unit 31. The solar cell energy generating apparatus 21 converts sunlight into electric power and uses the same. As shown in FIG. 2, a frame 25 laid on a roof base material 22 and a plane attached to the frame 25 are provided. It includes a rectangular solar cell panel 24 and output wirings 26 for guiding electricity generated by these solar cell panels 24 to each room. The solar cell panel 24 and the light receiving unit 3
A ventilation gap 23 is formed between the lower surface of the base material 1 and the upper surface of the roof base material 22.

The frame 25 is provided with a plurality of vertical frames 251 along the inclined direction of the upper surface of the roof base material 22 and a horizontal frame 252 provided along the girder direction of the upper surface of the roof base material 22 and orthogonal to the vertical frame 251. And
In addition, the solar cell energy generation device 21 is
At 51, the solar cell panels 24 are engaged with each other. A waterproof surface is formed on the upper surfaces of the solar cell panel 24 and the vertical frame 251, and the solar cell energy generator 21 also serves as a roof finishing material.

The solar cell panel 24 includes a panel body 28 having a flat rectangular shape and a frame 2 provided around the panel body 28.
9 is provided. The panel main body 28 has a solar cell (not shown) for converting light into energy. This solar cell is made by arranging a plurality of solar cells composed of solar cells on a light-transmitting support base such as glass and sealing the resin with a resin or the like, and converts light transmitted through the support substrate into electric energy. ing. The solar cell may be a polycrystalline silicon solar cell or a single-crystal silicon solar cell, or may be an amorphous silicon solar cell formed on a small insulating substrate. In addition, the solar cell is not limited to this structure, and an existing one may be appropriately used. For example, a solar cell in which a solar cell is sealed between a pair of glass substrates may be used.

The frame 29 is provided with a pair of vertical frames 291 arranged on both sides of the panel body 28 so as to be along the inclination direction of the surface of the roof base material 22, and a pair of horizontal frames 292 extending in the inclination direction. . The horizontal frame 292 on the lower end side in the inclined direction is provided with a flange portion 292A that is overlapped on the solar cell panel 24 adjacent in the inclined direction. Further, the pair of vertical frames 291 has a shape protruding more toward the roof base material 22 side than the horizontal frame 292, and is fixed to the vertical frame 251 with screws 253 to form an array of the solar cell panels 24.

The building 1 with a solar cell is provided with an optical fiber type lighting device 30. The optical fiber type daylighting device 30 is a device for guiding and illuminating the collected light to an arbitrary room, the light receiving unit 31, an optical fiber unit 33 for transmitting the light received by the light receiving unit 31, and a device for irradiating the light. And an irradiation unit 32. The optical fiber part 33 is made of resin or glass. The irradiation section 32 is provided with a transparent or translucent light-scattering cover made of resin or glass.

The light receiving section 31 has a light receiving section main body 34 and a frame 29 provided therearound. The light receiving section main body 34 has the same outer shape and outer dimensions as the panel main body 28,
Has the same structure and dimensions as the frame 29 provided around the panel body 28. This light receiving section 31 is a solar cell panel 2
4 to form an array attached to the frame 25,
The solar cell energy generating device 21 is incorporated at substantially the center. The light receiving section main body 34 is painted in the same color as the panel main body 28 so as to have the same appearance. The light receiving unit 31 also forms a roof finishing material similarly to the solar cell panel 24. In FIG. 3, illustration of boundaries between the building units 11 is omitted.

The optical fiber portion 33 and the output wiring 26 pass through the ventilation gap 23 and pass through the hole 2 formed in the roof base material 22.
7 and is wired inside the building body 10. The output wiring 26 is connected to a control device 40 such as a terminal box installed on the back of the hut 12 in the building body 10, and
0 to a load 41, for example, a refrigerator or lighting. The optical fiber unit 33 is wired along the gap between the building units 11 and is connected to the irradiation unit 32 provided in a predetermined room, for example, a basement room where sunlight does not shine.

Therefore, according to the present embodiment, by incorporating the light receiving portion 31 formed in the same rectangular shape as the solar cell panel 24 into the solar cell energy generating device 21, the light receiving portion 31 and the solar cell energy generating device 21 And the light can be guided to any room without damaging the appearance of the roof 20.

Further, since the panel main body 28 and the light receiving section main body 34 have the same color, the light receiving section 31 does not stand out from the arrangement of the solar cell panels 24, and the appearance of the roof 20 is improved. Further, the solar cell panel 24 and the light receiving unit 31
Has the same shape and is merely attached to the frame 25, so that it can be incorporated in any place of the solar cell energy generator 21. In addition, since the solar cell panel 24 and the light receiving unit 31 have the same shape, the mounting operation is simple,
Does not require much time for construction. Further, since the solar cell panel 24 and the frame 29 of the light receiving section 31 are the same, there is an advantage that the manufacturing cost is not required.

In this embodiment, since the solar cell energy generator 21 is used as a finishing material for the roof, a large amount of light can be collected without impairing the appearance of the roof. Further, the vertical frame 291 is formed so as to protrude more toward the upper surface side of the roof base material 22 than the horizontal frame 292 and is fixed to the vertical frame 251, and a ventilation hole is provided between the lower surface of the solar cell panel 24 and the upper surface of the roof base material 22. Since the gap 23 is formed, the solar cell can be cooled by the air flowing through the ventilation gap 23, so that a rise in temperature can be suppressed, and a decrease in solar energy conversion efficiency can be prevented.

The optical fiber section 33 and the output wiring 26 pass through the ventilation gap 23, pass through the hole 27 provided in the roof base material 22, and are wired inside the building main body 10. The length of the optical fiber part 33 and the output wiring 26 is shorter than that in the case of wiring inside, and there is no possibility that the optical fiber part 33 and the output wiring 26 exposed outside the building are cut. Since the size of the hole 27 is sufficient to allow the output wiring 26 and the optical fiber 33 to penetrate, it is safe from the viewpoint of waterproofing. Further, the construction is simple because only the roof base material 22 is penetrated.

The present invention is not limited to the above-described embodiment, but includes modifications and improvements as long as the object of the present invention can be achieved. For example,
In the above embodiment, the solar cell energy generating device 21 is provided as a roof finishing material on the surface of the roof base material 22, but may be installed not only on the surface of the roof base material 22 but also on a place exposed to sunlight, for example, a building wall or the like. Alternatively, the solar cell energy generator 21 may be separately provided on the roof surface. In addition, roof 20
Is a sloped roof, but a flat roof may be used.

Although the output wiring 26 and the optical fiber portion 33 of the solar cell panel are pierced through the hole 27 of the roof base material 22, they may be wired outside the building. Further, in the present embodiment, one light receiving unit 31 is incorporated in the solar cell energy generating device 21, but two or more light receiving units 31 are provided.
May be incorporated in the solar cell energy generator 21. Further, the installation place of the light receiving unit 31 is not limited to the space between the solar cell energy generators 21, and may be, for example, a corner of the solar cell energy generator 21.

In the above-described embodiment, the panel main body 28 and the light receiving section main body 34 have a flat rectangular shape. However, in the present invention, the shapes may be arbitrary as long as they have the same standard shape. . In this case, an amorphous silicon solar cell is used as the solar cell. Further, the roof base material 22
Although the solar cell panel 24 and the light receiving section 31 are arranged on the entire surface, the solar cell panel 24 and the light receiving section 31 may be arranged on a part of the surface of the roof base material 22, and the roof panel may be arranged on the remaining part. .

[0028]

According to the first aspect of the present invention, the light receiving portion and the solar cell panel are formed in the same standard shape and are incorporated in the solar cell energy generating device. Structural continuity with the solar cell energy generator can be obtained, and lighting can be secured in any room in the building without impairing the appearance.

According to the second aspect of the present invention, since the solar cell panel and the light receiving section are mounted on the frame assembled with the girder, the mounting operation can be easily performed.

According to the third aspect of the present invention, since the solar cell energy generating device is installed on the roof which is most exposed to sunlight, a large amount of light can be collected to generate power. In addition, since the light receiving units are also arranged on the roof surface, a large amount of light can be collected and sent to a predetermined place where the irradiation unit is installed.

According to the fourth aspect of the present invention, the solar cell energy generating device is not separately provided on the roof surface, and does not impair the appearance of the roof.

According to the fifth aspect of the present invention, a ventilation gap is formed between the upper surface of the roof base material and the upper surface of the solar cell panel, and the solar cell can be cooled by the air flowing through the ventilation gap. This can prevent a decrease in the energy conversion efficiency of the solar cell.

According to the sixth aspect of the present invention, since the optical fiber portion and the output wiring are wired inside the building by penetrating the roof base material, the length of the optical fiber portion and the output wiring is longer than when the optical fiber portion and the output wiring are wired inside through the outside of the building. In addition, there is no fear that the optical fiber portion and the output wiring exposed outside the building may be cut. Further, the construction is simple because only the roof base material is penetrated.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a building body with a solar cell according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a main part of the building with a solar cell.

FIG. 3 is a sectional view showing the building with solar cells.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Building with solar cell 20 Roof 21 Solar energy generation device 22 Roof base material 23 Ventilation gap 24 Solar cell panel 25 Frame 26 Output wiring 27 Hole 30 Optical fiber lighting device 31 Light receiving unit 32 Irradiating unit 33 Optical fiber unit

Claims (6)

[Claims] 1. A building with a solar cell in which a plurality of solar cell panels are arranged in at least a part of a building to constitute a solar cell energy generating device, wherein the building irradiates light emitted from the building to the inside of the building. An optical fiber type daylighting device is installed, the optical fiber type daylighting device has a light receiving portion, an irradiating portion, and an optical fiber portion connecting the light receiving portion and the irradiating portion, and the light receiving portion has the same standard shape as the solar cell panel. A building with a solar cell, wherein the building is equipped with a solar cell. 2. The building with a solar cell according to claim 1, wherein the solar cell energy generating device includes a frame assembled with a girder, a solar cell panel having a flat rectangular shape attached to the frame, and the light receiving unit. A part is attached to the said frame, The building with a solar cell characterized by the above-mentioned. 3. The building with a solar cell according to claim 1, wherein the solar cell energy generating device forms a part of a roof of the building. 4. The building with a solar cell according to claim 3, wherein the solar cell energy generating device also serves as a roof finishing material. 5. The building with a solar cell according to claim 4, wherein the roof has a roof base material, and a ventilation gap is formed between an upper surface of the roof base material and a lower surface of the solar cell panel. A building with solar cells. 6. The building with solar cells according to claim 5, wherein each of the plurality of solar cell panels has an output wiring,
A building with a solar cell, wherein the output wiring and the optical fiber portion are wired through the ventilation gap, and pass through a hole formed in the roof base material and into the building.