JP3444735B2 - Mounting structure of solar cell module - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for installing a residential solar power generation system on a roof of a house or the like.

[0002]

2. Description of the Related Art FIG. 11 shows a conventional solar cell module mounting structure. This is a mounting structure of a solar cell module by a horizontal mount having an opening laid sideways as the structure of the mount, and is Japanese Patent Laid-Open No. 7-153982, the title of the invention: the solar battery module, and the applicant: Kyocera Corporation.

In FIG. 11, a base horizontal pedestal 71 is mounted on a floating roof 70 along the direction of inclination of the roof, and then a horizontal pedestal 72 for mounting a solar cell module which is arranged orthogonal to the horizontal pedestal 71 is arranged. The solar cell module 73
It was a structure to mount. The horizontal pedestal 72 has mounting bolts 74
The base module 71 is fixed to the solar cell module 7 by
The flange portion 76 of the frame member 75 for mounting No. 3 is placed on the horizontal mount 72, and the U-shaped support plate 7 is provided on the upper portion thereof.
The solar cell module was fixed by covering with 7 and connecting, and tightening the bolt 78 into which the support plate 77 and the horizontal mount 72 were inserted. The thickness of the horizontal mount 71 and the horizontal mount 72 is at least several centimeters or more, and the space between the surface of the roof 70 and the bottom surface of the solar cell module 73 is floated by about 5 to 15 cm.

[0004]

However, when the mounting structure by the horizontal mount is installed on the roof of the house and the electric wiring of the solar cell module is performed, in the mount having the opening in the side, the upper side 72a of the horizontal mount 72 is Was an obstacle, and it was necessary to perform electrical wiring before installing the solar cell module. In addition, it was necessary to remove the solar cell module at the time of inspection. Furthermore, in the solar cell module mounting structure in which the horizontal mounts 72 are arranged orthogonally to the base horizontal mount 71,
There is a problem that the installation height of the solar cell module is increased with respect to the roof surface and the appearance is impaired.

[0005]

According to a first aspect of the present invention, there is provided a solar cell module mounting structure comprising a solar cell main body formed of a plurality of solar cells in a flat plate shape, and each of the solar cell main body portions. A mounting structure for mounting a plurality of solar cell modules each having a frame portion on a side edge thereof in a state of being adjacent to each other, wherein a C-shaped mount opening upward is interposed between the solar cell modules adjacent to each other. Then place
The bottom surface of the C-type mount and the bottom surface of the frame portion of the solar cell module are on the same plane.

[0006]

Further, in the solar cell module mounting structure according to the second aspect of the present invention, the electric cable has a connection hole in the frame portion.
And the connection hole of the C-type mount, the inside of the C-type mount is used as an electric wiring space of the solar cell module.

According to a third aspect of the present invention, there is provided a solar cell module mounting structure, wherein a side surface of the C-shaped mount faces a side edge portion of a solar cell module which is directly adjacent to the side surface of the frame body portion. And a cover fixing bolt is inserted into the module side cover, and the C-type frame is tightened and fixed by the module side cover and the module stopper by screwing the cover fixing bolt. To do.

[0009]

[0010]

1 to 10 are views showing an embodiment of the present invention. FIG. 6 is a schematic perspective view showing the solar cell module in a disassembled state, FIG. 7 is a three-sided view of the solar cell module, and FIG. 8 is a solar used in a solar cell module mounting structure according to an embodiment of the present invention. FIG. 9 is a schematic perspective view showing an example of a battery module, and FIG. 9 is a view showing a detailed configuration of a frame portion of the solar cell module.

FIG. 6 showing the structure of the solar cell module 10 used in the solar cell module mounting structure of the present invention.
In the solar cell module 10, the solar cell main body 1
6 and a frame body portion 20 that supports the solar cell body portion 16. As shown in FIG. 6, a white tempered glass plate 13 is laminated on the front surface side of the solar battery cell 11 with a thin resin plate 12 made of transparent resin interposed therebetween. Further, a weather resistant film 15 is also laminated on the back surface side of the solar battery cell 11 via a thin plate-shaped filler 14 made of transparent resin. The solar cell 11 is a white plate tempered glass plate 13
And the weather resistant film 15 sandwich the fillers 12 and 14 respectively to form a flat-plate solar cell main body 16 as a whole. The frame body portion 20 is
It is composed of two long-side frame members 21 and two short-side frame members 22, and the long-side frame member 21 and the short-side frame members 22 are fixed by a plurality of screws 23.

FIG. 7 is a three-sided view of the solar cell module 10, FIG. 7 (a) is a plan view, and FIG. 7 (b) and FIG. 7 (c).
Is a side view. In FIG. 7B, a terminal box 17 is provided on the back surface of one end of the solar cell module 10, and the terminal box 17 has a pair of electric cables for extracting the electric output of the solar battery cells 11. 1
8 is connected. 7 (a), (b) and (c), 10 is a solar battery module, 11 is a solar battery cell, 16 is a flat-plate solar battery main body portion, 20 is a frame body portion, 2
Reference numeral 1 is a long-side frame material, 22 is a short-side frame material, and 23 is a plurality of screws.

FIG. 8 is an external view of the solar cell module 10. The solar cell module 10 used for the mounting structure of the solar cell module has a rectangular flat plate-shaped solar cell 11. The solar battery cell 11 has a super straight structure in which a plurality of solar battery cells arranged in a matrix are electrically connected in series or in parallel by an interconnector or the like. 10 is a solar battery module, 11 is a solar battery cell, 17 is a terminal box, 18 is a pair of electric cables for taking out the electric output of the solar battery cell 11, 20 is a frame part, 21 is a long side frame member, 22 Is a short side frame member, and 23 is a screw.

FIG. 9 shows the frame portion 2 of the solar cell module 10.
It is a figure which shows the detailed structure of 0, 21 is a long side frame material, 2
1a is a frame main body portion, 21b is a fitting portion, 21c is an engaging groove portion,
21d is a base plate portion, 21e is a bolt hole, and 21f is a screw 23.
Female screw portion, 22 is a short-side frame material, 22a is a frame body portion, 2
2b is a fitting plate portion, 22c is an engaging groove portion, 22d is a base plate portion,
23 is a screw.

FIG. 1 is a perspective view for explaining a method of laterally mounting a solar cell module on a metal plate sloping roof,
2 is a schematic side sectional view of a sloping roof, FIG. 3 is a diagram illustrating a fixing structure of a side cover of a solar cell module, FIG. 4 is a diagram illustrating a shape of a module stopper, and FIG. 5 is a schematic sectional view thereof. is there.

2 to 5 showing the respective members of FIG. 1 will be described first. In FIG. 2 showing a schematic side sectional view of the sloping roof 35,
Reference numeral 31 is a rafter, on which a base plate 32 is stretched, a base material 33 made of waterproof paper or the like is stretched on the base plate 32, and on the base material 33, roof tiles are provided from the eaves to the ridge. 34 is arranged, and the sloping roof 35 is mounted on this.

FIG. 3 is a view for explaining the fixing structure of the solar cell module, in which the cover fixing bolt 42 is inserted into the module side cover 41 from above and the ground washer 43 and the rubber washer 44 are passed from below to the module side surface. The cover 41 is fixed with the module stopper 45 so as to sandwich it. Two cover fixing bolts 42 are used for one of the module side cover 41. At least one of them is fixed using the ground washer 43 and the rubber washer 44, and the remaining one is made of rubber. Secure with washer 44 only. By using the ground washer 43, the frame portion of the solar cell module is electrically set to the ground potential (ground potential). When the cover fixing bolt 42 is rotated in the screwing direction, the module stopper 45 also rotates in the same direction, but the module stopper 45 has a parallelogram shape as shown in FIG. 4, and is different in diagonal length. , The inner surface of the C-shaped pedestal 37 is abutted to prevent rotation.
By tightening the cover fixing bolt 42 in this state, the module side cover 41 is fixed to the C-shaped frame 37, and the solar cell module 10 is fixed to the C-shaped frame 37 via the engagement groove portion 21c. In addition, the inter-module cover 47
The method of mounting the solar cell module according to FIGS. 1 and 5 (a) is the same as that described with reference to FIG.
The inter-module cover 47 has a shape without the sleeve portion 41a and the pressing portion 41b of the module side cover 41 of FIG.

FIG. 1 is a perspective view for explaining a method of laterally mounting a solar cell module on a metal plate sloping roof 35. As described with reference to FIG. 2, a field plate 32 is stretched on a rafter 31. A base material 33 made of waterproof paper or the like is stretched on the base plate 32, a roof tile 34 is provided on the base material 33 from the eaves to the ridge, and a sloping roof 35 is mounted on this. There is. C-type frame 3 that opens upward
A hole is drilled at the intersection of the groove provided in the center of 7 and the roof tile 34, and the rafter 31 is tightened with a wood screw 39. The wood screws 39 are provided by the number necessary to fix the installed solar cell module 10. A waterproof rubber 38 is attached on the sloped roof 35, which is a surface fixed by the C-type mount 37 and wood screws 39.

The solar cell module 10 at the left end of the first row on the eaves side is placed on the metal plate sloping roof 35 between the two C-shaped pedestals 37 opening upward, and the side surface of the C-shaped pedestal 37 on the eaves side Put it on and place it temporarily. The module side cover 41 described with reference to FIG. 3 is applied to the frame body portion 20 of the solar cell module 10, and the cover fixing bolt 42 is applied by the method described with reference to FIG.
Is fastened to the module stopper 45 and fixed to the C-type mount 37. Similarly, the solar cell modules 10 in the first row are sequentially fixed to the C-type mount 37 on the right side of the solar cell modules in the first row installed first. At this time, the C-shaped mount opening upward is used as an electrical wiring space of the solar cell module (see FIG. 10). Also, 21
Is a long-side frame material, and 22 is a short-side frame material.

Next, the second-row solar cell module 10 is temporarily placed against the side surface of the eave-side C-type mount 37 between the two C-type mounts 37 opening upward, and the inter-module cover 47 is placed. 3, the cover fixing bolt 42 is fastened to the module stopper 45 and fixed to the C-shaped mount 37 by the same method as the module side cover 41 described in FIG. In this way, the solar cell module 10 is simultaneously fixed to the C-shaped frame 37.

Similarly, the solar cell module 10 is sequentially fixed from the eaves side to the ridge side, and the solar cell module 10 on the most ridge side is fixed by the module side cover 41. The wiring of the solar cell module 10 is connected and housed in the C-type mount 37.

FIG. 5A is a schematic cross-sectional view of the solar cell module mounting structure, in which a C-shaped mount 37 opening upward is interposed between the solar cell modules 10 adjacent to each other. First, the description will focus on the C-type mount 37 in the center of the figure. The C-shaped frame 37 is located on the waterproof rubber 38, and is penetrated through the lower sloping roof 35 and the roof tile bar 34 by the wood screw 39 and fastened to the rafter 31 (see FIG. 1). In the solar cell module 10, the solar cell main body 16 is fitted in the fitting portion 21b of the long side frame member 21 of the frame body portion 20. Next, the engaging groove portion 21c of the frame body portion 20 is placed on the C-shaped mount 37 that opens upward, the adjacent solar cell modules 10 are engaged by the inter-module cover 47, and the inter-module cover 47 is engaged. By tightening the cover fixing bolt 42 that inserts the
It is a mounting structure for fixing the solar cell module. next,
The inter-module cover 4 is used to fix the C-shaped mount 37 at the left end.
The module side cover 41 is used instead of No. 7, but has a mounting structure for fixing the solar cell module in the same manner as described above. Further, a holding angle 48 is used instead of the inter-module cover 47 for fixing the C-shaped pedestal 37 at the left end, but the mounting structure for fixing the solar cell module is provided in the same manner as described above. Also,
21a is a frame main body, 21d is a base plate, and 21f is a screw 23.
Female screw part.

FIG. 5 (b) is a view showing the size relationship of each constituent member of the solar cell module mounting structure, in which the height from the bottom of the frame 20 to the bottom of the engaging groove 21c is A , B, where the height of the C-type mount is B. Especially when A = B, the above C
The bottom surface of the mold stand and the bottom surface of the solar cell module can be flush with each other. When this relationship is applied to FIG. 1, the C-shaped mount 37 and the solar cell module 1 are mounted on the sloping roof 35.
The bottom surface of the base plate portion 21d, which is the bottom of the frame body portion 0 of 0, can be flush with the same surface. In this way, since the two bottom surfaces can be on the same plane, the C-shaped mount is installed between the solar cell modules, so the installation height of the solar cell power generation system becomes the height of the solar cell modules, which matches the roof. Appearance. Further, when the height between the bottom surface of the module side surface cover 41 and the pressing portion 41b is H, there is a relation of B ≧ H. Especially when B = H, the bottom surface of the joule side surface cover 41 and the bottom surface of the C-type mount are And can be on the same plane.

FIG. 10 is a view showing that the inside of the C-shaped mount 37 is used as an electric wiring space of the solar cell module 10 in the solar cell module mounting structure according to the embodiment of the present invention. A pair for showing the electrical wiring of the two solar cell modules 10-A and 10-B and for taking out the electrical output of the solar cell 11 from the terminal box 17A on the back surface of one end of the solar cell module 10-A. The electrical cable 18A of the C-shaped mount 37 is open to the connection hole 20h of the frame body portion 20 and upward.
Through the connection hole 37h of the above, and is guided to the inside of the C-type mount 37. Similarly, the pair of electric cables 18B for taking out the electric output of the solar battery cell 11 from the terminal box 17B on the back surface of the one end portion of the other solar battery module 10-B is a connection hole of the frame body portion 20. 20h and through the connection hole 37h of the C-shaped frame 37 opening upward,
It is guided inside the mold stand 37. The electric cables 18A and 18B are connected inside the C-type mount 37, and the main wiring 49
Electrically connected to. Reference numeral 50 is another trunk line. In the wiring work, the cover fixing bolt 42 is loosened, and the inter-module cover 47 and the module stopper 45 are removed, so that the space inside the C-type frame 37 is exposed.
Wiring can be done. Since the solar cell module mounting structure uses the C-shaped mount 37 that opens upward, for example, when the solar cell module 10-B fails for some reason, the solar cell module 10-B
By loosening the plurality of cover fixing bolts 42 fixing the above, it is possible to easily remove and replace with a new solar cell module.

[0025]

As described above, according to the solar cell module mounting structure of claim 1 of the present invention, the solar cell main body is formed of a plurality of solar cells in a flat plate shape,
A mounting structure for mounting a plurality of solar cell modules each having a frame portion on each side edge portion of the solar cell main body in a state where they are adjacent to each other, and is directed upward between adjacent solar cell modules. It is characterized in that it is arranged with an open C-type mount, and wiring is possible even after the solar cell module is installed, and it can be performed without removing the solar cell module during maintenance and inspection. I can. In addition, it is easy to replace a defective solar cell module.

Further, according to the solar cell module mounting structure of the first aspect of the present invention, the bottom surface of the C-type mount and the bottom surface of the solar cell module are on the same plane. Positioning and parallel alignment during construction can be facilitated, construction time can be shortened, and the size and cost of the C-type frame can be reduced and the mounting strength can be increased.

Further, according to the solar cell module mounting structure of claim 2 of the present invention, the inside of the C-type mount is used as an electric wiring space of the solar cell module, and the connection of the wiring is achieved. Construction time is shortened,
Wiring is possible even after installing the solar cell module, and maintenance and inspection can be performed without removing the solar cell module. In addition, it is easy to replace a defective solar cell module.

Further, according to the solar cell module mounting structure of claim 3 of the present invention, the side surface of the C-type mount faces the side edge portion of the solar cell module which is directly adjacent to the side surface of the solar cell module, and the inter-module cover covers the frame. By fitting the cover fixing bolt through the inter-module cover by fitting the engaging groove portion of the body, and by screwing the cover fixing bolt, the C-type mount is fixed by tightening the inter-module cover and the module stopper. The feature is that it is not only easy to install and remove, but also the size of C-type pedestal is low, the cost is low, and the installation height of the system is the module height, and the appearance matches the roof. You can

[0029]

[Brief description of drawings]

FIG. 1 is a perspective view illustrating a mounting structure of a solar cell module according to an embodiment of the present invention.

FIG. 2 is a schematic side sectional view of a sloping roof of a solar cell module mounting structure according to an embodiment of the present invention.

FIG. 3 is a diagram illustrating a fixing structure by a module side cover of a solar cell module mounting structure according to an embodiment of the present invention.

FIG. 4 is a diagram illustrating the shape of a module stopper of the solar cell module mounting structure according to the embodiment of the present invention.

FIG. 5 is a diagram illustrating a mounting structure of a solar cell module according to an embodiment of the present invention, (a) is a schematic cross-sectional view of the mounting structure of the solar cell module, the solar cell modules adjacent to each other. It is characterized by arranging a C-shaped pedestal 37 opening upward between 10 and (b) is a diagram showing a size relationship of each constituent member of the mounting structure of the solar cell module. .

FIG. 6 is a schematic perspective view showing an exploded solar cell module used in the solar cell module mounting structure according to the embodiment of the present invention.

FIG. 7 is a trihedral view of a solar cell module according to an embodiment of the present invention, in which (a) is a plan view and (b) and (c) are side views.

FIG. 8 is an external view of a solar cell module used in a solar cell module mounting structure according to an embodiment of the present invention.

FIG. 9 is a diagram showing a detailed configuration of a frame portion of the solar cell module used in the solar cell module mounting structure according to the embodiment of the present invention.

FIG. 10 is a diagram illustrating that the inside of the C-type mount of the solar cell module mounting structure according to the embodiment of the present invention is used as an electric wiring space of the solar cell module.

FIG. 11 is a schematic cross-sectional view illustrating a conventional solar cell module mounting structure of a conventional example.

[Explanation of symbols]

10 Solar cell module of the present invention 10-A solar cell module 10-B solar cell module 11 Solar cell body 12 Filler made of thin transparent resin 13 White plate tempered glass plate 14 Filler made of transparent resin in the form of a thin plate 15 Weatherproof film 16 Solar cell body 17 terminal box 17A terminal box 17B terminal box 18 electric cables 18A electric cable 18B electric cable 20 Frame part that supports the solar cell body part 16 20h Connection hole for the frame body 20 21 Long side frame material 21a Frame main body of the long side frame member 21 21b Fitting portion of long side frame member 21 21c Engagement groove portion of the long side frame member 21 21d Base plate portion of the long side frame member 21 21e Bolt hole of the long side frame member 21 21f Female screw portion of the screw 23 of the long side frame member 21 21f Female screw part of screw 23 22 Short side frame material 22a Frame main body of the short side frame member 22 22b Fitting plate portion of the short side frame member 22 22c Engagement groove portion of the short side frame member 22 22d Base plate portion of the short side frame member 22 23 screw 31 rafters 32 Field plate 33 Base material made of waterproof paper 34 Tile Bar 35 Tilt roof with metal plate 37 C-type frame that opens upward 37h C-type stand 37 connection hole 38 waterproof rubber 39 wood screw 41 Module side cover 41a Module side cover 41 sleeve 41b Module side cover 41 retainer 42 Cover fixing bolt 43 Earth washer 44 rubber washer 45 module stopper 47 Inter-module cover 48 holding angle 49 mains electrical wiring 50 mains electrical wiring

Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) E04D 13/18

Claims (3)

(57) [Claims] 1. A state in which a solar cell main body formed of a plurality of solar cells in a flat plate shape and a plurality of solar cell modules each having a frame body at each side edge of the solar cell main body are adjacent to each other. A mounting structure for mounting the solar cell module, wherein a C-shaped mount opening upward is interposed between adjacent solar cell modules, the bottom surface of the C-shaped mount and the frame of the solar cell module.
A solar cell module mounting structure, wherein the bottom surface of the body is on the same plane. 2. The solar cell module mounting structure according to claim 1, wherein the electric cable is connected to the connection hole of the frame body portion.
A mounting structure for a solar cell module , wherein the inside of the C-shaped frame is used as an electric wiring space of the solar cell module by passing through the connection hole of the C-shaped frame. 3. The solar cell module mounting structure according to claim 1, wherein a side surface of the C-shaped mount faces a side edge portion of a solar cell module that is directly adjacent to the side surface of the solar cell module, and an inter-module cover is engaged with the frame body portion. A solar cell, which is fitted in a groove portion, a cover fixing bolt is inserted into the inter-module cover, and the C-shaped mount is fixed by fastening the cover fixing bolt with the inter-module cover and a module stopper. Module mounting structure.