JP2562279Y2 - Roof with solar cells - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof with solar cells to which solar cells are attached in a roof of a house or the like.

[0002]

2. Description of the Related Art In a building such as a house, when there is a veranda on the second floor, for example, a roof eave is generally extended above the veranda. By the way, in recent years, it has been practiced to install a solar cell on a roof and supply electric power from the solar cell to a house to save energy. There are various ways to install solar cells on the roof,
By attaching a solar cell panel provided with solar cells to the roof panel constituting the roof and integrating them, and arranging a plurality of roof panels with solar cells, there is a means to install the solar cells simultaneously with the installation of the roof Is being developed. Even in the case of the roof panel with solar cells, it is mounted above the veranda so as to cover the veranda as usual.

[0003]

[Problems to be Solved by the Invention] By the way, if the upper part of the veranda is covered by a roof, the sunlight may be blocked by the roof and may not reach the veranda, especially during the daytime in summer.
In some cases, this was dissatisfied.

The present invention has been made in view of the above circumstances, and has as its object to provide a roof with solar cells that enables sunlight to reach a lower part of the roof eaves, such as a veranda. I have.

[0005]

Means for Solving the Problems The present invention has been made to achieve the above object, and has a roof panel main body and a plurality of solar cell modules attached to an upper surface of the roof panel main body and incorporated in a frame. A roof panel with solar cells, comprising a solar cell panel, and a roof panel with solar cells, which is constructed by being attached to a building material such as a beam. At the end on the eaves side, only the solar cell panel is a roof panel. A transparent panel such as a glass plate, instead of the solar cell module, is incorporated into the frame at least in a part of the eaves side extension of the solar cell panel. An opening is formed in the roof panel main body below the roof panel to form a skylight portion.

[0006]

According to the roof with solar cells of the present invention, sunlight can be applied to the lower part of the roof eaves, such as the veranda, by sunlight passing through the opening from the glass plate of the skylight.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a roof panel 1 with a solar cell according to one embodiment.
2 is a partial perspective view showing a state in which a roof of a house is constituted by the roof panel 1, FIG. 3 is a side sectional view thereof, and FIG. 2B shows a veranda on the second floor. ing.

The roof panel 1 has a rectangular roof panel main body 2 and a solar cell panel 3 on which solar cells are provided.
A has a basic configuration attached and pasted,
It is configured to be stretched from the eaves P side to the ridge Q side along the slope of the roof.

As shown in FIGS. 4 and 5, the roof panel body 2 has a plurality of core members 6 on the upper and lower surfaces of a rectangular plywood 5 having an asphalt roofing 4 formed on the upper surface.
The rafters 7 are assembled in a grid and fixed by means of gluing or nailing.

The upper surface of the plywood 5 is formed by vertical and horizontal core members 6.
A plurality of rectangular blocks having the same size are defined. In the case of the present embodiment, the number of the blocks is 5 vertically and 3 blocks horizontally.
In total, there are 15 of them, of which the middle block at one end in the length direction is the skylight section 8 and the other blocks are:
A solar cell module (hereinafter abbreviated as module) 3 is attached.

The core members 6 are of two types: a vertical core member 6a extending over both ends in the longitudinal direction of the roof panel main body 2, and a horizontal core member 6b disposed between the vertical core members 6a at right angles to the vertical core member 6a. The horizontal core member 6b is thinner than the vertical core member 6a, and the horizontal core member 6b is fixed to the vertical core member 6a so that the upper surfaces thereof are flush with each other. The horizontal core member 6b is slightly separated from the plywood 5 and is in a floating state. In addition, as shown in FIG. 3, only the horizontal core 6b on the eaves tip P side has the same thickness as the vertical core 6a.

The solar cell panel 3A includes a module 3 in which a plurality of solar cells 10 are arranged, and a frame-like frame 11 which is fitted with an outer edge of the module 3 to support the solar cell module 3 and is joined to each other. It is composed of

The module 3 includes a plurality of solar cells 10 each having a solar cell (not shown) built in a transparent plate 9 having a substantially square shape and having a rectangular shape (in this case, six sheets × 6) by a joint (not shown). It is a panel-shaped combination of four horizontal sheets (a total of 24 sheets). A solar cell is an energy converter using a PN junction.
A P-type layer having a thickness of 1 to 3 μm is formed on a Si-type substrate so that light reaches the PN junction from the surface, and a substrate utilizing the photovoltaic effect is used.

These modules 3 are composed of the roof panel body 2
And the outer dimensions of the frame 11 are substantially the same.

The frame 11 has a rectangular outer shape formed by a pair of vertical outer frames 12 and horizontal outer frames 13 extending in the direction of inclination of the roof and in the direction perpendicular thereto, that is, in the vertical and horizontal directions, respectively. In addition, an inner frame member 14 extending vertically and horizontally is assembled in a lattice shape.

The inner frame member 14 is of two types: a vertical member 14a extending from the eaves P to the ridge Q, and a horizontal member 14b which is disposed between and joined to the vertical members 14a at right angles to the vertical member 14a. As shown in FIG. 6, a flat upper plate 16 having the same cross-sectional shape and a sealing material 15 affixed to the lower surface at both ends in the width direction and a lower material having a sealing material 17 affixed to the upper surface at both ends in the width direction and having a convex cross-sectional shape. And a packing 19 interposed between the sealing member 15 and the upper end of the lower plate 18.
4a and cross members 14b are framed in a lattice shape corresponding to the blocks. The horizontal outer frame 13 also has basically the same configuration as the vertical members 14a and the horizontal members 14b, except that the outer end face where the module 3 is not fitted is formed flat. And the cross member 14b.

After the lower plate 18 is fixed to the vertical core member 6a and the horizontal core member 6b of the roof panel body 2 by nailing or the like, the edge of each module 3 (the transparent plate 9 of the module 3) is sealed with both sealing members. 15 and 17, and the upper plate 16 is connected to the lower plate 18 by means of screws or the like.
Are fitted between the inner frame member 14 and the lateral outer frame 13. The sealing members 15 and 17 and the packing 19
Is preferably formed of butyl rubber or the like.

The vertical outer frame 12 is joined to the vertical outer frame 12 of the roof panel 1 arranged next to the vertical panel.
As shown in FIG. 7, the module 3 is sandwiched between an upper plate 20 and a lower plate 21 having the same width, and the two are fastened with screws 22 to support the module 3. Then, the adjacent vertical outer frames 12 are joined to each other by a seal plate 24 attached to the upper surface of the upper plate 20 with screws 25.

A frame 11 is formed by the vertical and outer frames 12, the horizontal and outer frames 13, and the inner and outer frames 14, and each module 3 is fitted into the frame 11 as described above to form a solar cell panel 3A.

The solar cell panel 3A and the roof panel main body 2 have the same width, but the solar cell panel 3A is longer by one module 3, and the longer portion extends to the eaves tip P side. In this state, the solar cell panel 3A is attached to the upper surface of the roof panel main body 2. The lower surface of the frame 11 is attached to the vertical core 6 of the roof panel body 2.
a, and a means for fixing it by means of bonding or the like is adopted, thereby constituting the roof panel 1 of the present embodiment.

In the roof panel 1, the horizontal core member 6b is slightly separated from the plywood 5 and floats as described above, so that the plywood 5 and the module 3
Has a ventilation layer 1A extending from the eaves P side toward the ridge Q side. The vertical core member 6a is also provided with a notch (not shown) mainly for wiring, which communicates between the adjacent ventilation layers 1A for each block.

Next, the skylight portion 8 will be described. As shown in FIGS. 2 and 3, the skylight portion 8 is a portion where the solar cell panel 3A extends to the eaves P side. In place of the module 3, a transparent glass plate 30 (transparent panel) is fitted into the frame 11, and the block portion of the roof panel body 2 below the glass plate 30 is cut. It is configured by forming a notched opening 2A. According to the skylight portion 8, sunlight can pass through the glass plate 30, and sunlight can be emitted to the veranda B.

Now, in order to install the roof panel 1 having the above structure as a roof of a house, the length of one module 3 at the end on the side of the eaves P is extended outward from an outer wall or the like. As shown in FIGS. 4 and 5, the rafter 7 of the roof panel main body 2 is fitted to a beam 28 provided above a ceiling configured by a ceiling plate 27 made of a gypsum board or the like stretched over a ridge 26. The two are fixed by means such as bonding or nailing.

As shown in FIGS. 2 and 3, veranda B
There is a part where the rafter 7 is fixed to the small wall panel 40. Further, at the end of the roof panel main body 2 on the eaves P side,
A draining board 41 is fitted over the plywood 5 and the rafter 7,
An eaves metal fitting 42 is sandwiched between the horizontal member 14b of the frame 11 and the horizontal core member 6b of the roof panel body 2. Eaves hardware 42
Between the drain plate 41 and the ventilation layer 1A of the roof panel 1
A gallery 43 having a small hole formed therein for communicating with the outside is fitted. Then, it is configured that the outside air reaches the ridge Q side from the gallery 43 through the ventilation layer 1A, and is discharged outside from here.

In this manner, the roof panels 1 are attached to a plurality of ceilings. Further, the roof panels 1 adjacent to each other on the left and right are sealed with the frame 11 as described above.
By joining with 4, the roof of the house is constructed.

In the above-mentioned roof panel 1, each module 3 is connected in series by an electric wire routed to the ventilation layer 1A, and charging means (not shown) provided in the house from the ridge Q side. , And indoor power is supplied from the charging means to supply electric power.

According to the roof constituted by the roof panel 1 of this embodiment having the above structure, the skylight 8 is formed at the end of the roof panel 1 on the side of the eaves P, and the glass plate 30 of the skylight 8 is formed. Sunlight reaches the veranda B through the sun. Therefore, even in the daytime in summer, etc., it is possible to irradiate the veranda B, which could not be performed conventionally.

Further, since the ventilation layer 1A is formed between the roof panel main body 2 and the module 3, the heat of the module 3 is dissipated and the temperature rise is suppressed. Moreover, since the ventilation layer 1A extends from the eaves P to the ridge Q along the gradient, the ventilation layer 1A includes
As a result, an upward airflow is generated, and the airflow in the ventilation layer 1 </ b> A is more active due to the upward airflow, so that the effect of suppressing the temperature rise of the module 3 is further promoted. As a result, the energy conversion efficiency of the solar cell module 3 is always kept high, and stable power supply is achieved.

The electric wire of each module 3 is formed by a ventilation layer 1A.
And is protected by the solar cell panel 3A and is not exposed to the outside.

Further, since the ventilation layer 1A communicates from the eaves P to the ridge Q, if the electric wires of the solar cells are connected when the roof panel 1 is assembled and pulled out to the end on the ridge Q side, At the time of construction, it can be pulled out from the ventilation layer 1A to the ridge Q side and wired indoors, so that there is no need to perform solar cell wiring work on the roof, and the construction is not troublesome.

In the above embodiment, one roof window 8 is formed in the middle of the end of the roof panel 1 on the side of the eaves P. However, the number of the skylights 8 formed on the side of the eaves P is reduced. May be arbitrary. For example, the entire end on the eaves P side that covers the veranda B may be the skylight portion 8.

[0032]

As described above, according to the roof with solar cells of the present invention, the roof panel main body and the solar cell which is attached to the upper surface of the roof panel main body and in which a plurality of solar cell modules are incorporated in the frame. A roof panel with solar cells composed of panels and a roof panel with solar cells configured by being stretched on a building material such as a beam, and at the end on the eaves side, only the solar cell panel extends toward the eaves side from the roof panel body. A transparent panel such as a glass plate is incorporated in the frame at least in part of the eaves-side extension of the solar cell panel in place of the solar cell module, and the roof panel main body below the glass plate is provided. Since the skylight is formed by opening an opening in the lower part of the roof eaves, such as a veranda,
This has the effect of enabling solar radiation from the skylight.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a roof panel with solar cells according to an embodiment of the present invention.

FIG. 2 is a partial perspective view of a roof of a house to which the roof panel of the embodiment is applied.

FIG. 3 is a side sectional view of the same.

FIG. 4 is a side sectional view of a roof structure using a roof panel according to an embodiment.

FIG. 5 is a longitudinal sectional view of the same.

6 is an enlarged view of a part G of FIG. 5;

FIG. 7 is a longitudinal sectional view of a joint structure of vertical outer frames forming a frame of a solar cell panel.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roof panel with a solar cell 2 Roof panel main body 2A opening 3 Solar cell module 3A Solar cell panel 3a Eaves-side extension part 8 Skylight part 10 Solar cell 11 Frame 28 Beam 30 Glass plate (transparent panel) B Veranda P Eaves

Claims (1)

(57) [Scope of request for utility model registration] 1. A roof panel with solar cells comprising a roof panel main body and a solar cell panel attached to an upper surface of the roof panel main body and having a plurality of solar cell modules incorporated in a frame, is used for building materials such as beams. A roof with solar cells configured by being stretched, and at the end on the eaves front side, only the solar cell panel extends toward the eaves side from the roof panel body, and the eaves side extension of this solar cell panel is provided. In at least a part of the portion, a transparent panel such as a glass plate is incorporated into the frame instead of the solar cell module, and an opening is formed in the roof panel body below the glass plate to form a skylight portion. A roof with solar cells, characterized in that: