JP2717448B2 - Solar power generation roof - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a solar cell power generation roof that is installed in a building such as a house and generates power using a solar cell.

[Prior art] As a solar cell installed in a building of this type, a solar cell panel is mounted on an existing roof surface, or a solar cell is integrally incorporated in each glass tile. Etc. have been proposed.

[Problems to be Solved by the Invention] However, when a solar cell panel is mounted on a roof surface, it is necessary to perform a roofing operation using ordinary exterior materials, and the solar cell panel is mounted thereon. Result,
It is easy to spoil the uniformity of the roof design. In addition, solar panels must be securely fixed to the roof surface in order to prevent tilting in strong winds, but according to the roof's unique flexure over time, a glass translucent plate or solar cell that covers the solar cells There is also a risk of itself breaking.

On the other hand, a solar cell with a built-in solar cell for each tile can of course omit the emphasis on installing the roof tiles and solar cells, but the roof base must be stretched as usual. In addition, there remains a problem in practical use in terms of individual connection time when laying a tile incorporating the solar cell on a roof and disconnection when the tile is displaced later.

The present invention has been made in view of the problems of the conventional device, and has a structure that can hold a solar cell or the like firmly and withstand many years of use, and can also serve as a roof exterior and a base, and can be quickly constructed. It is an object of the present invention to provide a solar cell power generation roof which is extremely excellent.

Means for Solving the Problems According to the above object, the present invention is to form an integral roof transformer including a load-bearing frame whose inside is closed so that it can serve as a roof exterior and a roof base, That is, the present invention provides a load-bearing frame comprising a frame having four connecting frames, each of which is provided with upper and lower and vertical frame portions; a solar cell held by the load-bearing frame; and a front transparent member having a closed inside of the frame. A light plate and a back side bottom plate; and an inverted V-shaped integral roof truss formed by directly or indirectly connecting the upper frame portion to the load-bearing frame by inclining the load-bearing frame from both front and rear sides. The present invention relates to a solar cell power generation roof and has a gist thereof.

[Operation] The solar cell held in the framework of the load-bearing frame is protected from external force, while the front-side translucent plate and the back-side bottom plate that close the framework of the load-bearing frame can also serve as the exterior and base of the roof. .

Then, the load-bearing frame is erected from both the front and rear sides to form an inverted V-shaped integral roof truss. As a result, the load-bearing frame itself can form the main load-bearing structure of the roof hut assembly. In addition, by connecting the load-bearing frames in parallel on the left and right, it is possible to form a light-receiving inclined roof surface having an arbitrary wide area corresponding to the width of the building.

Embodiment FIGS. 1 to 5 and FIG. 6 show different embodiments. First, the embodiment shown in FIGS. 1 to 5 will be described.
Is a solar cell power generation roof according to the present invention. As shown in FIG. 1, the power generation roof 1 has a load-bearing frame 2, a solar cell 3, and the like, and is installed on a building 4.

The load-bearing frames 2 are made of a relatively thick aluminum-made upper and lower and vertical frame portions 5, 6, 7, 7 in a four-circle frame.
The size is, for example, 5.5 m long and 0.6 m wide. In addition, reference numeral 8 in the figure denotes a reinforcing crosspiece of the load-bearing frame.

The upper and lower and vertical frame portions 5, 6, 7, 7 of the load-bearing frame 2 are provided with connecting means 9, 10, 11, 11, respectively. The connecting means 9 of the upper frame portion 5 connects the upper frame portions of both the load-bearing frames 2, 2 on the front and rear sides (see FIG. 2), and is integrally formed with the upper frame portion 5 in a longitudinal direction in series. An engaging groove 12 is provided, and a substantially metal figure-shaped rectangular metal piece 13 engaged with the engaging groove 12 at appropriate intervals and a fastening bolt / nut 14 of the metal piece. The connecting means 10 of the lower frame 6 connects the load-bearing frames 2 to the building 4 (see FIG. 3), and an engaging groove 15 integrally formed with the lower frame 6 in the longitudinal direction. A hinge hardware 16 (see Japanese Patent Application No. 1-47653 for details) engaged therewith. On the other hand, the vertical section 7,7
The connecting means 11 connects the load-bearing frames 2, 2 adjacent to each other on the left and right (see FIG. 4), and the adjacent vertical frame portions 7, 7
The front cover 17 has a long cover plate 17 for sandwiching it, short metal members 18 attached to the back surface at appropriate intervals, and fastening bolts and nuts 19 (bolts have a square head for preventing rotation). 2 to 4 are airtight materials.

Next, in this example, the solar cells 3 are formed by arranging a large number of silicon-based inner cells having a diameter of about 10 cm on the substrate 21 and connecting them.
As shown in FIG. 1, this is held in the framework of the load-bearing frame 2.

On the other hand, the front-side light-transmitting plate 22 is made of tempered glass, and is fixed to the load-bearing frame 2 with the same-shaped stamping edge 23 (its airtight material 20) as shown in FIGS. Closed on the front side.

The back side bottom plate 24 is made of a structural plywood, and its four peripheral edges are fitted into fitting grooves 25 formed integrally with the load-bearing frame 2 as shown in FIGS. Is closed on the back side.

In the figure, reference numeral 26 denotes a heat insulating material such as foamed polyurethane or glass wool interposed between the back side bottom plate 24 and the solar cell 3.

Next, the installation state of the load-bearing frame 2 in the building 4 will be described. The building 4 in this example is, for example, an existing building having a wooden frame structure, and by removing the old roof as shown in FIG. A ceiling panel 28 was placed and fixed on the exposed existing girder 27 (not shown, but via a pedestal for raising as shown in the embodiment of Japanese Utility Model Application No. 1-38559 if necessary, such as unevenness of the existing portion). Thereafter, the lower frame portion 6 of the load-bearing frame 2 is mounted on the structural member having a high forcible resistance such as the existing girder 27 and the existing beam 29 (or the undercarriage) by the connecting means 10 (see FIG. 3) such as hinge hardware. It is fixed. In the figure, 30 is a fixing bolt for the hinge hardware,
31 is a nail for temporary fixing.

And, as shown in FIG.
The upper frame parts 5, 5 are connected to each other by the connecting means 9, 9 (refer to FIG. 2) to be mutually supported by the inclined erection from both sides of the front and rear sides to form an inverted V-shaped integral roof truss 32. I have. Here, the load-bearing frame of this example holds the solar cells 3... In its framework on both the front and rear sides, and the front side is mainly for direct light, and the rear side is mainly for receiving scattered light. In addition, the inclination standing angle of each load-bearing frame 2 is, for example, 45 degrees on each side of the front and back as shown in FIG.

In addition, reference numeral 33 in FIG. 2 denotes a decorative top plate for blindfolding the connection means, and reference numeral 34 in FIG. 5 denotes a space between the vertical frame portions 7, 7 of the front and rear load-bearing frames 2, 2 for reinforcing this connection. It is a small beam built.

The load-bearing frames 2 are arranged in parallel on the left and right, and the vertical frame portions 7, 7 of adjacent load-bearing frames are connected to each other by the connecting means 11 (see FIG. 4). The roof surfaces 35, 35 are formed. Here, in this example, the load-bearing frames 2 arranged in parallel on the left and right all hold the solar cells 3.

Reference numeral 36 in FIGS. 1 and 5 designates a lateral cross beam for reinforcing this connection. In FIG. 4, reference numeral 37 denotes wiring for connecting the solar cells 3 in the load-bearing frames 2, 2 adjacent to each other on the left and right, reference numeral 38 denotes a connector thereof, and reference numeral 39 denotes a length for covering these connecting means and wiring and the like. It is a decorative board with a length.

In addition, reference numeral 40 in FIG. 1 designates a top cover which is elastically fitted to the upper frame portion 5 of the load-bearing frame for both decoration and rain (the second cover).
In the figure, the elastic locking pieces 41, 41, the caulks 42, 42 and the airtight material
Reference numerals 43, 43 denote the left and right end closing panels which also serve as a makeup of the triangular opening surface formed as a result of forming the inverted V-shaped roof truss 32 as described above. panel
This is an L-shaped accessory for covering and connecting the seam between 43 and the load-bearing frame 2 (the connecting means is similar to the long covering plate 17 of the connecting means 11 of the vertical frame portion). In addition, each frame part connecting means 9,10,11
And, the interior space of the roof of this example is kept watertight by the top cover 40, the left and right end closing panels 43, the L-shaped accessories 44, and the like.
It can be used as a storage or a living room, or can be used as an atrium by omitting the ceiling panel 28 shown in FIG.

In FIG. 5, reference numeral 45 denotes a storage battery and a circuit ON / OFF switch, and a power generation controller including a system for linking a cross-current and voltage conversion and a commercially available electric power system, and 46 denotes a wiring.

Next, the embodiment shown in FIG. 6 is particularly different from the previous embodiment in that the slope of the light-receiving inclined roof surface on the front side is loosened (30 degrees) to form a single-flow roof. Further, in this example, the solar cell is held only by the load-bearing frame on the front side, and the inside of the framework of the load-bearing frame on the back side has an appropriate closing panel (including an exterior material, a heat insulating material, and a base or interior material). (Preferably with multi-layer panels) and closed with rain. Others
Although there are some differences, such as the point that the ceiling panel is omitted and the ceiling is omitted, the remaining points are almost the same as those of the above-described embodiment, so the same reference numerals are given in the figure, and the description is omitted.

Although not shown, the connecting means for the upper and lower portions and the vertical frame portion of the load-bearing frame may be directly bolted to the frame portion without using a third member such as a metal member as in the illustrated example. Also, of course, even when the third member is used, for example, the standing angle of the load-bearing frame is fixed by using an angle material bent at a predetermined angle instead of the hinge hardware of the connecting means of the lower frame portion, and the structure is simplified. May be used.

On the other hand, the solar cells do not need to be provided on all load-bearing frames, and may be provided only on the front side, or may be provided partially on the front side, for example, depending on the budget. The frame may be closed with a suitable panel as described above.

Of course, various known solar cells can be selected. In addition to the above-mentioned silicon-based solar cells, III-V group compounds (gallium arsenide, etc.), II-VI group compounds (cadmium sulfide, etc.), I-II
An I-VI group compound (such as copper sulfide) or an organic substance may be employed. The solar cell can be integrally formed on the rear surface of the front-side light-transmitting plate by printing or the like.

Next, the inclination erecting angle of the load-bearing frame is determined based on the light receiving efficiency, but may be arbitrarily determined in consideration of, for example, the combination of the internal space of the roof with the space used. However, when the light receiving efficiency is generally considered, it is advantageous to set the angle to be substantially the same as the latitude of the ground in order to receive direct light, while the angle is shallow (horizontally) for receiving scattered light. Closer) is advantageous. However, since the scattered light is naturally included on the direct side, it is efficient if the angle is determined to be slightly shallower than the latitude angle, for example.

In addition, as another example of a building in which such a photovoltaic power generation roof is installed, for example, in a new wooden building, a conventional roof is used instead of a conventional roof, or retrofitted like a penthouse on the roof of an existing concrete building. It is also possible. In the latter case, since rainwater may enter the interior of the main roof in some cases, for example, the left and right end closing panels and the like illustrated earlier may be omitted.

Although the embodiment is configured as described above, the present invention does not contradict the gist of the present invention, as long as the connecting means, the upper and lower and vertical frame portions, the load-bearing frame, the solar cell, the front-side translucent plate, the back-side bottom plate, the roof truss, and the like are provided. The specific shape, structure, dimensions, materials, number of members, arrangement, the relationship between these, the presence or absence of additional members, the type of building on which the main roof is installed, etc. can be variously changed, and it is not limited to the above embodiment. Needless to say.

[Effects of the Invention] Since the present invention is configured as described above, the solar cell and the front side light-transmitting plate held in the framework of the load-bearing frame are protected from external force by the frame, and can withstand years of use. obtain.

In addition, the front side translucent plate and the back side bottom plate that closed the inside of the frame of the load-bearing frame can also be used as the exterior and base of the roof, and the load-bearing frame is inclined upright from both the front and back sides, and is inverted V-shaped As a result of forming an integral roof truss,
Since the load-bearing frame itself can form the main load-bearing structure of a roof hut, it is possible to minimize the importance of materials and construction work in roof formation and installation of solar cells, The roof can be formed by a very quick assembly operation.

[Brief description of the drawings]

FIGS. 1 to 5 and FIG. 6 show different embodiments.
FIG. 1 is a perspective view showing an assembled state of the solar cell power generation roof of the present invention, FIG. 2 is a perspective view of the roof with an upper frame portion cut away, and FIG. FIG. 4 is a cross-sectional view of the vertical frame portion, FIG. 5 is a vertical cross-sectional view of a building having the same roof, and FIG. 6 is a vertical cross-section of a building having the solar cell power generation roof according to another embodiment of the present invention. Area view. DESCRIPTION OF SYMBOLS 1 ... Solar cell power generation roof, 3 ... Solar cell 2 ... Load-bearing frame, 5 ... Upper frame part 6 ... Lower frame part, 22 ... Front side translucent plate 7 ... Vertical frame part, 24 ... … Back side bottom plate 9,10,11 …… Connection means, 32 …… Roof truss

Claims (1)

(57) [Claims] 1. A load-bearing frame comprising upper and lower and vertical frame portions each provided with a connecting means and having a four-frame structure; a solar cell held by the load-bearing frame; and a front-side transparent member having a closed inside of the frame. A light plate and a back side bottom plate; and an inverted V-shaped integral roof truss formed by connecting the upper frame part directly or indirectly while raising the load-bearing frame from both the front and rear sides with inclination. A solar power generation roof characterized by the above-mentioned.