JP2003258290A - Solar battery array - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a superior tile-shaped solar battery array wherein a solar battery module or a solar battery module group can be simply installed, maintained and inspected on a rooftop. <P>SOLUTION: This solar battery array A comprises a plurality of solar battery module groups M1-M4 which are arranged so as to be imbricated on the rooftop Y of a building. At least in one solar battery module group, one part of the periphery of the solar battery module group is rotatably fitted in a supporting member 13 arranged on the rooftop, and another part of the periphery of the solar battery module group is mounted on the surface of an adjacent solar battery module group. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to install a plurality of solar cell modules for generating power by using solar energy on a roof of a building, and connect and fix end portions of the plurality of solar cell modules arranged in parallel. The present invention relates to a solar cell array formed by stacking together solar cell module groups.

[0002]

2. Description of the Related Art Conventionally, a tile-shaped solar cell in which solar cell modules for converting solar energy into electricity are arranged on a roof of a house in order to reduce an electric load of a household, for example. Arrays are known.

In the case of such a roof tile type solar cell array,
Since it is necessary to wire the solar cell modules while fixing them to the roof surface one by one, when all wiring work is completed, the solar cell modules are connected to each other and the solar cell modules are also fixed to the roof surface. It will be finished.

Therefore, at this time, it is impossible to visually confirm whether or not the wiring work has been carried out accurately, and further, it is necessary to remove the solar cell module from the roof surface due to a wrong wiring or the like. If so, the work becomes complicated and there is a problem. Further, maintenance / inspection work of the solar cell module and the like is not easy if the work requires removal of the solar cell module.

Therefore, in the present invention, the above-mentioned problems are solved and the installation work and maintenance / installation of the solar cell module on the roof are performed.
It is an object of the present invention to provide an excellent roof tile type solar cell array that enables easy inspection work.

[0006]

In order to achieve the above object, the solar cell array of the present invention is a solar system in which the ends of a plurality of solar cell modules arranged in parallel are connected and fixed on the roof of a building. A solar cell array formed by stacking a battery module group on another solar cell module group, wherein a part of the peripheral edge of the solar cell module group is rotatably mounted and another peripheral edge part of the solar cell module group. But,
It is characterized in that the tiles are stacked on the surfaces of adjacent solar cell module groups.

When the solar cell module groups are stacked on the front surface side and the back surface side of the solar cell module group, the front surface side of one solar cell module group and the back surface of the other solar cell module group are stacked. It is characterized in that a locking member for engaging with the side is provided.

Further, the solar cell module constituting the solar cell module group comprises a frame body rotatably attached to the support body and a solar cell body detachably accommodated in the frame body. The locking member is provided on each of the front surface side and the back surface side of the solar cell body.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a solar cell array according to the present invention will be described below in detail with reference to the drawings schematically shown. 1A and 1B are a plan view and a side view of a solar cell module M that constitutes a solar cell array. FIG. 2 shows a state in which a solar cell array A in which a plurality of the solar cell modules M are connected and arranged is arranged on a part of a roof Y of a building. Further, FIG. 3 is a partially exploded perspective side view of the solar cell array A, and FIG. 4 is a perspective side view of the solar cell array A.

As shown mainly in FIG. 1, the solar cell module M has a case (frame body) 2 formed in a frame shape in three directions and one end of which is attached to a roof. Is detachably accommodated. The overall shape and size of the solar cell module is matched to the outer shape and size of general roof tiles.

The case 2 is made of a metal material such as aluminum which is lightweight and excellent in strength. Further, the solar cell main body 1 is provided with a light-transmitting substrate such as glass or resin on the light-receiving surface, and a sealing material made of resin or the like accommodating many solar cell elements is attached to the light-transmitting substrate. There is. As the solar cell element, a single crystal or non-single crystal material such as a silicon-based semiconductor or a compound semiconductor made of gallium arsenide is used, and is electrically connected in series and / or in parallel.

On the light-receiving surface side of the solar cell main body 1, a front surface side locking member 6 that can be engaged with an adjacent solar cell module when the solar cell array A is constructed is made of aluminum or the like and is lightweight and strong. Section L made of a metallic material that has excellent
It is formed into a letter. Further, at the tip of the solar cell main body 1, there is provided a back side locking member 7 having an L-shaped cross section that can be engaged with another adjacent solar cell module or the locking member 11 arranged on the roof Y. Made of the same material as the locking member 6,
It is detachably attached to the solar cell body 1.

Reference numeral 3 in FIG. 1 denotes a support rotating portion formed in a semi-cylindrical shape, which is a support member 13 mounted on the roof.
It is rotatably supported at an angle of more than 90 ° with respect to the ground. The support 13 is made of a metal material such as aluminum that is lightweight and has excellent strength, has a convex portion that firmly holds the support rotating portion 3, and is fixed to the roof material 15.

As described above, the solar cell module is rotatable with respect to the ground at an angle of more than 90 °, and the solar cell main body 1 is attachable to and detachable from the case 2, so that the wiring work is easy. Moreover, maintenance and inspection work can be performed very easily. Further, reference numeral 9 in the drawing denotes a cable housed in the back side locking member 7, which is electrically connected to the terminal box 8 and can take out the output of the solar cell module M.

As shown in FIG. 2, the solar cell array A of the present invention is formed by stacking a plurality of solar cell modules M each having a solar cell for converting sunlight into electric energy on a roof Y of a building. For example, it is installed on the roof surface of a building such as a general household, and the electric load in the building can be reduced.

As shown in FIG. 3 and FIG. 4, the roof tiles of the solar cell module groups are stacked together. The solar cell module groups M1 to M4 constituting the solar cell array A are the support members 13 arranged on the roof Y. In addition, the support rotation part 3 of a part of the periphery thereof is rotatably attached to the support 13 fixed on the roof Y, and the other part of the periphery is mounted on the surface of the adjacent solar cell module group or roof tile K1. Placed. At the upper end of the solar cell array A, one end of the roof tile K2 is placed on the light receiving surface side of the solar cell module group M4.
As described above, in the solar cell array of the present invention, a part of the peripheral edge of the solar cell module group is rotatably attached, and the other peripheral edge part of the solar cell module group is tiled on the surface of the adjacent solar cell module group. I'm done.

As described above, when the solar cell module groups are tiled on the front surface side and the back surface side of the solar cell module group, the front surface side of one solar cell module group and the other solar cell module group are stacked. The locking members 6 and 7 which engage with the back surface side of the solar cell module group prevent the solar cell module group from floating due to wind pressure or the like.

Further, as shown in FIG. 4, in the solar cell module group M1 disposed at the lower end of the solar cell array A, the lower end 7a of the locking member 7 and the cross section L provided on the roof Y are provided. By engaging with the lower end 11a of the character-shaped locking member 11, the floating of the solar cell module group M1 is prevented as much as possible. The locking member 11 is also made of a metal material such as aluminum that is lightweight and has excellent strength.

FIG. 6 shows how the solar cell modules in the solar cell module group in the solar cell array A shown in FIG. 2 are connected to each other. Further, an enlarged view of P1 in FIG. 6 is shown in FIG. 7, and an enlarged view of P2 is shown in FIG. In the figure, MA,
MB is an adjacent solar cell module, and DM is a dummy module.

As shown in FIGS. 6 and 7, between the solar cell module MA and the solar cell module MB adjacent thereto, a long connecting member 21 also serving as a joint cover is arranged. At the center of the connecting member, there are formed ridges 21a and 21b that fit into the projecting grooves 22a and 22b of the frame members 23 of both solar cell modules. Further, a trough portion 21c is formed on the roof base side of the connecting member 21 so that rainwater can flow to waterproof the roof base side. Further, since the gutter portion 21c of the connecting member 21 is located inside the solar cell module rather than the frame member 23, a further rainwater waterproofing effect can be expected.

Similarly, as shown in FIGS. 6 and 8, a connecting member 31 similar to the above is disposed between the solar cell module MA and the dummy module DM adjacent thereto, and the solar cell module MA is provided. The frame member 32 is fitted. Further, the convex portion 40 formed at the end portion of the dummy module DM is made to face the gutter portion 31c similar to the above-described configuration to enhance the waterproof effect.

In the above solar cell array, as shown in FIG. 5, it is also possible to attach each solar cell module group to the support 13 provided on the roof Y so as to be rotatable about 180 °. By doing so, wiring work, maintenance work, inspection work, and the like can be performed more easily, and the connection between the solar cell module groups can be confirmed and can be performed easily. In addition, even if there is a mistake in the wiring, or if the construction is redone,
It is possible to make corrections in an extremely short time.

[0023]

As described above, according to the solar cell array of the present invention, the solar cell module and the solar cell module are connected to each other while wiring the solar cell module and the solar cell module group while fixing them one by one on the roof surface. It is possible to visually and easily and quickly confirm the connection state between the battery module groups.

Even if it is necessary to remove the solar cell module or the solar cell module group from the roof surface due to incorrect wiring after the completion of the wiring work, the solar cell main body can be removed easily and quickly. Will be possible.

Furthermore, it is possible to provide an excellent roof tile type solar cell array which can be extremely easily performed for maintenance and inspection work of solar cell modules and the like.

[Brief description of drawings]

FIG. 1 is a diagram schematically illustrating a solar cell module that constitutes a solar cell array according to the present invention, in which (a) is a plan view and (b) is a side view.

FIG. 2 is a plan view schematically illustrating an example in which the solar cell array according to the present invention is arranged on a part of a roof.

FIG. 3 is a partially exploded perspective side view illustrating an example of a solar cell array according to the present invention.

FIG. 4 is a perspective side view schematically explaining an example of a solar cell array according to the present invention.

FIG. 5 is a side view schematically explaining how a solar cell module group is rotated in another solar cell array according to the present invention.

6A and 6B are diagrams schematically illustrating a place where solar cell modules are connected to each other in the solar cell module group according to the present invention, in which FIG. 6A is a plan view and FIG. 6B is B- in FIG.
It is a B line sectional view.

7 is an enlarged cross-sectional view of P1 in FIG.

8 is an enlarged cross-sectional view of P2 in FIG.

[Explanation of symbols]

1: Solar cell body 2: Case (frame body) 3: Support rotation part 6: Front side locking member 7: Back side locking member 8: Terminal box 13: support M, MA, MB: Solar cell module M1 to M4: solar cell module group A: Solar array

Claims (3)

[Claims] 1. A solar cell array in which a solar cell module group formed by connecting and fixing end portions of a plurality of solar cell modules arranged in parallel on a roof of a building is tiled on another solar cell module group. A part of the peripheral edge of the solar cell module group is rotatably attached, and the other peripheral edge part of the solar cell module group is tiled on the surface of the adjacent solar cell module group. A solar cell array. 2. When the solar cell module groups are tiled on the front surface side and the back surface side of the solar cell module group, the front surface side of one solar cell module group and the back surface of the other solar cell module group The solar cell array according to claim 1, wherein a locking member for engaging with the side is provided. 3. The solar cell module comprises a frame body rotatably attached to the support body, and a solar cell body detachably accommodated in the frame body. The solar cell array according to claim 1, wherein the locking member is provided on each of the back surfaces.