JPH10159284A - Mount structure of solar cell module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily conduct maintenance and inspection and improve external appearance by disposing a solar cell body part in which a plurality of solar cells are arranged on a flat plate and a plurality of solar cell modules each having a frame body part on a side edge through C-type stagings which are opened upwards so as to be adjacent to one another. SOLUTION: Holes are formed at the intersections of grooves and batten seams of a C-type staging 37 which opens upwards and wood screws 39 are inserted into the holes to temporarily set a solar cell module 10 on a roof between two stagings 37. A side surface cover 41 is brought into contact with a frame body part of the module 10 and a cover fixing bolt 42 is put into a module stopper 45 to fix the module to the staging 37. And the staging 37 is used to provide an electric wiring space. If the height from the bottom surface of the frame body part to the bottom surface of an engaging groove 21c is taken to be A and the height of the staging 37 to be B, and if A=B, the staging 37 and the module 10 can be set on the same plane and the height of a solar cell generation system is equal to that of the module, so that inspection can be easily conducted and external appearance can be improved.

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 photovoltaic power generation system on a roof of a house or the like.

[0002]

2. Description of the Related Art FIG. 11 shows a mounting structure of a conventional general solar cell module. This is a mounting structure of a solar cell module using a horizontal frame with an opening sideways as a frame structure, and is disclosed in JP-A-7-153982, the title of the invention: solar cell module, and the applicant: Kyocera Corporation.

[0003] In Fig. 11, a base horizontal frame 71 is mounted on a flowing roof 70 along the inclination direction of the roof, and a horizontal frame 72 for mounting a solar cell module, which is disposed orthogonal to the horizontal frame 71, is disposed. And the solar cell module 73
It was a structure to attach. The horizontal mount 72 is provided with mounting bolts 74.
Fixed to the base horizontal frame 71 by the
The flange 76 of the mounting frame member 75 is placed on the horizontal stand 72, and the U-shaped support plate 7
7, the solar cell module was fixed by tightening bolts 78 into which the support plate 77 and the horizontal frame 72 were inserted. The thicknesses of the horizontal frame 71 and the horizontal frame 72 are 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 set so as to float about 5 to 15 cm.

[0004]

However, when the mounting structure using the horizontal mount is installed on the roof of the house and the electric wiring of the solar cell module is performed, the upper side 72a of the horizontal mount 72 is required for the mount having the opening sideways. However, it was necessary to perform electrical wiring before installing the solar cell module. At the time of inspection, etc., it was necessary to remove the solar cell module. Furthermore, in the mounting structure of the solar cell module in which the horizontal frame 72 is arranged orthogonally to the base horizontal frame 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; A mounting structure for mounting a plurality of solar cell modules having a frame portion on a side edge in a state of being adjacent to each other, wherein a C-shaped pedestal that opens upward is interposed between the solar cell modules that are adjacent to each other. It is characterized by being arranged in a manner as described above.

[0006] The mounting structure for a solar cell module according to a second aspect of the present invention is characterized in that the bottom surface of the C-shaped pedestal and the bottom surface of the solar cell module are on the same plane.

[0007] In a third aspect of the present invention, in the solar cell module mounting structure, the inside of the C-shaped frame is used as an electric wiring space of the solar cell module.

In the solar cell module mounting structure according to a fourth aspect of the present invention, the side surface of the C-shaped pedestal faces a side edge portion of the solar cell module immediately adjacent to the C-shaped pedestal, and the module side surface cover is attached to the frame body portion. And a cover fixing bolt is inserted into the module side cover, and the C-type pedestal is fastened and fixed with the module side cover and a module fastener by screwing in the cover fixing bolt. Is what you do.

Further, in the solar cell module mounting structure according to the fifth aspect of the present invention, the height from the bottom of the frame portion to the engagement groove portion is A, and the height of the C-shaped base is B. ,
It is characterized in that there is a relationship of A ≦ B.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 10 are diagrams relating to an embodiment of the present invention. FIG. 6 is an exploded schematic perspective view of the solar cell module, FIG. 7 is a three-view drawing of the solar cell module, and FIG. 8 is a solar cell module mounting structure according to an embodiment of the present invention. FIG. 9 is a schematic perspective view illustrating an example of a battery module, and FIG. 9 is a diagram illustrating a detailed configuration of a frame portion of the solar cell module.

FIG. 6 shows the structure of a 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 body 1
6 and a frame 20 supporting the solar cell body 16. As shown in FIG. 6, a white reinforced glass plate 13 is laminated on the front surface side of the solar cell 11 via a filler 12 made of a transparent resin in a thin plate shape. Further, a weather-resistant film 15 is also laminated on the rear surface side of the solar cell 11 via a filler 14 made of transparent resin in a thin plate shape. The solar cell 11 is made of a white plate reinforced glass plate 13.
And the weather-resistant film 15, sandwiching each of the fillers 12 and 14, respectively, to form a solar cell body 16 having a flat plate shape as a whole. The frame 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 member 22 are fixed by a plurality of screws 23.

FIG. 7 is a three-view drawing of the solar cell module 10, FIG. 7 (a) is a plan view, and FIGS. 7 (b) and 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 a pair of electric cables for taking out the electric output of the solar cell 11 is provided in the terminal box 17. 1
8 are connected. 7 (a), 7 (b) and 7 (c), 10 is a solar cell module, 11 is a solar cell, 16 is a flat solar cell body, 20 is a frame, 2
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 solar cells 11 in the shape of a rectangular flat plate. The solar cell 11 has a superstrate structure in which a plurality of solar cells arranged in a matrix are electrically connected in series or in parallel by an interconnector or the like. Reference numeral 10 denotes a solar cell module, 11 denotes a solar cell, 17 denotes a terminal box, 18 denotes a pair of electric cables for extracting electric output of the solar cell 11, 20 denotes a frame portion, 21 denotes a long-side frame member, 22 Is a short side frame material, and 23 is a screw.

FIG. 9 shows the frame 2 of the solar cell module 10.
FIG. 21 is a diagram showing a detailed configuration of a long side frame material 21;
1a is a frame main body portion, 21b is a fitting portion, 21c is an engagement groove portion,
21d is a base plate portion, 21e is a bolt hole, 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 engagement groove portion, 22d is a base plate portion,
23 is a screw.

FIG. 1 is a perspective view for explaining a method of mounting a solar cell module on a metal plate inclined roof sideways.
FIG. 2 is a schematic side sectional view of a sloped roof, FIG. 3 is a diagram illustrating a fixing structure of a solar cell module by a side cover, FIG. 4 is a diagram illustrating a shape of a module fastener, and FIG. is there.

FIGS. 2 to 5 showing each member of FIG. 1 will be described first. In FIG. 2 showing a schematic side sectional view of the inclined roof 35,
Reference numeral 31 denotes a rafter, on which a field board 32 is stretched. On the field board 32, a base material 33 made of waterproof paper or the like is provided. 34, on which a sloping roof 35 is mounted.

FIG. 3 is a view for explaining a fixing structure of the solar cell module. A cover fixing bolt 42 is inserted into the module side cover 41 from above, and an earth washer 43 and a rubber washer 44 are inserted from below into the module side. It is fixed with the module fastener 45 so as to sandwich the cover 41. Two cover fixing bolts 42 are used for one module side cover 41, and at least one of them is fixed using an earth washer 43 and a rubber washer 44, and the other one is Fix with only the washer 44. By using the ground washer 43, the frame portion of the solar cell module is electrically at ground potential (ground potential). When the cover fixing bolt 42 is rotated in the screwing direction, the module fastener 45 also rotates in the same direction. However, the module fastener 45 has a parallelogram shape as shown in FIG. , And comes into contact with the inner surface of the C-shaped frame 37 to prevent rotation.
By tightening the cover fixing bolt 42 in this state, the module side cover 41 is fixed to the C-shaped pedestal 37, and the solar cell module 10 is fixed to the C-shaped pedestal 37 via the engaging groove 21c. The module cover 47
The mounting method of the solar cell module according to FIG. 1 and FIG. 5A is performed in the same manner as described with reference to FIG.
The shape of the inter-module cover 47 is such that the sleeve 41a and the pressing portion 41b of the module side cover 41 in FIG. 3 are not provided.

FIG. 1 is a perspective view for explaining a method of mounting a solar cell module on a metal plate inclined roof 35 in a horizontal direction. As shown in FIG. 2, a field board 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, and a tile rod 34 is provided on the base material 33 from the eaves portion to the ridge portion, and a sloped roof 35 is mounted thereon. I have. C-shaped gantry 3 opening upward
A pilot hole is drilled at the intersection of the groove provided at the center of 7 and the tile rod 34, and tightened to the rafter 31 with a wood screw 39. Wood screws 39 are provided in a number required to fix the solar cell module 10 to be installed. A waterproof rubber 38 is mounted on the inclined roof 35 which is a surface to be fixed by the wood screws 39 of the C-shaped pedestal 37.

The leftmost solar cell module 10 in the first row on the eaves side is placed on a metal plate inclined roof 35 between two C-type stands 37 opening upward, and the side of the eaves-side C-type stand 37 is placed. And place it temporarily. The module side cover 41 described in FIG. 3 is applied to the frame 20 of the solar cell module 10 and the cover fixing bolts 42 are formed by the method described in FIG.
Is fixed to the C-shaped pedestal 37 by tightening it into the module fitting 45. Similarly, the solar cell modules 10 in the first row are sequentially fixed to the C-shaped pedestal 37 on the right side of the solar cell modules in the first row installed first. At this time, the C-shaped gantry opening upward is used as an electric wiring space for the solar cell module (see FIG. 10). Also, 21
Denotes a long side frame material, and 22 denotes a short side frame material.

Next, the second row of solar cell modules 10 is temporarily placed on the side of the eave-side C-shaped pedestal 37 between the two C-shaped pedestals 37 opening upward, and the inter-module cover 47 is provided. Then, the cover fixing bolts 42 are fastened to the module fasteners 45 and fixed to the C-shaped pedestal 37 in the same manner as the module side cover 41 described with reference to FIG. In this manner, the solar cell module 10 is simultaneously fixed to the C-shaped pedestal 37.

Similarly, the solar cell modules 10 are 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 stored in the C-shaped pedestal 37.

FIG. 5A is a schematic cross-sectional view of a mounting structure of a solar cell module, in which a C-shaped pedestal 37 that opens upward is interposed between solar cell modules 10 adjacent to each other. First, a description will be given focusing on the C-shaped gantry 37 in the center of FIG. The C-shaped pedestal 37 is on the waterproof rubber 38, and penetrates the lower inclined roof 35 and the tile rod 34 with wood screws 39 and is tightened to the rafter 31 (see FIG. 1). In the solar cell module 10, the solar cell main body 16 is fitted into the fitting portion 21 b of the long side frame material 21 of the frame body 20. Next, the engaging groove portion 21c of the frame body portion 20 is placed on the C-shaped pedestal 37 which 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
This is a mounting structure for fixing the solar cell module. next,
To fix the C-shaped stand 37 at the left end, the cover 4 between the modules is used.
A module side cover 41 is used instead of 7, but has a mounting structure for fixing the solar cell module in the same manner as described above. In addition, instead of the inter-module cover 47, a holding angle 48 is used to fix the left end C-shaped pedestal 37, but has a mounting structure for fixing the solar cell module in the same manner as described above. Also,
21a is a frame main body part, 21d is a base plate part, 21f is a screw 23
Female screw part.

FIG. 5B is a diagram showing the relationship between the sizes of the respective components of the mounting structure of the solar cell module. The height from the bottom of the frame 20 to the bottom of the engagement groove 21c is A. , When the height of the C-type base is B, the relation of A ≦ B is satisfied. In particular, when A = B, the above C
The bottom of the mold base and the bottom of the solar cell module can be flush with each other. Applying this relationship to FIG. 1, the C-shaped pedestal 37 and the solar cell module 1
The bottom surface of the base plate portion 21d, which is the bottom side of the zero frame portion 20, can be flush with the bottom surface. As described above, since the two bottom surfaces can be on the same plane, the C-type gantry is installed between the solar cell modules, so that the installation height of the solar cell power generation system is equal to the height of the solar cell modules and matches the roof. Appearance. When the height between the bottom surface of the module side cover 41 and the pressing portion 41b is H, there is a relation of B ≧ H. In particular, when B = H, the bottom surface of the module side cover 41 and the bottom surface of the C-shaped pedestal. Can be on the same plane.

FIG. 10 is a view showing that the inside of the C-shaped pedestal 37 is used as an electric wiring space of the solar cell module 10 in the solar cell module mounting structure according to one embodiment of the present invention. The two solar cell modules 10-A and 10-B show electric wiring, and a pair for taking out the electric 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 electric cable 18A is connected to the connection hole 20h of the frame body 20 and the C-shaped pedestal 37 opening upward.
Through the connection hole 37h. Similarly, a pair of electric cables 18 </ b> B for taking out the electric output of the solar cell 11 from the terminal box 17 </ b> B on the back surface of one end of the other solar cell module 10 -B is a connection hole of the frame 20. 20h and through the connection hole 37h of the C-shaped pedestal 37 opening upward,
It is guided inside the mold stand 37. The electric cables 18A and 18B are connected inside the C-shaped pedestal 37 and the main wiring 49.
Is electrically connected to 50 is another trunk line. For the connection work, the space inside the C-shaped pedestal 37 is exposed by loosening the cover fixing bolt 42 and removing the inter-module cover 47 and the module fastener 45.
Connection can be made. Since the mounting structure of the solar cell module using the C-shaped pedestal 37 which 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, the solar cell module can be easily removed and replaced with a new solar cell module.

[0025]

As described above, according to the solar cell module mounting structure of the first aspect of the present invention, a solar cell main body formed in a plate shape by a plurality of solar cells,
A mounting structure for mounting a plurality of solar cell modules each having a frame portion on each side edge of the solar cell main body in a state of being adjacent to each other, and facing upward between the mutually adjacent solar cell modules. It is characterized in that it is arranged with an open C-shaped stand interposed, so that wiring can be performed even after the solar cell module is installed, and maintenance and inspection can be performed without removing the solar cell module. I can do it. Also, replacement of a failed solar cell module is easy.

According to the solar cell module mounting structure of the second aspect of the present invention, the bottom surface of the C-shaped mount and the bottom surface of the solar cell module are on the same plane. In addition, positioning and parallel alignment at the time of construction can be facilitated, the construction time can be shortened, and the size, cost, and mounting strength of the C-shaped gantry can be increased.

Further, according to the solar cell module mounting structure of the third aspect of the present invention, the inside of the C-shaped pedestal is used as an electric wiring space of the solar cell module. The construction time is shortened,
Wiring becomes possible even after the solar cell module is installed, and maintenance and inspection can be performed without removing the solar cell module. Also, replacement of a failed solar cell module is easy.

According to the solar cell module mounting structure of the fourth aspect of the present invention, the side surface of the C-shaped pedestal faces the side edge of the immediately adjacent solar cell module, and the inter-module cover is connected to the frame. Fitting into the engaging groove of the body part, inserting a cover fixing bolt through the inter-module cover, and screwing the cover fixing bolt to fasten and fix the C-type base with the inter-module cover and the module fastener. It is not only easy to install and remove, but also the size and cost of the C-type gantry and the height of the system is modular, so that the appearance matches the roof. Can be.

Further, according to the solar cell module mounting structure of the fifth aspect of the present invention, the height from the bottom of the frame to the engagement groove is A, and the height of the C-shaped base is B. When performing, it is characterized by the relationship of A ≦ B, and because the bottom of the C-shaped gantry is at the same height, positioning at the time of construction, parallel alignment is easy, construction time is shortened, and The miniaturization and cost reduction of the C-type gantry and the installation height of the system become the module height, so that the appearance can be matched to the roof.

[Brief description of the drawings]

FIG. 1 is a perspective view for explaining 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 sloped 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 of a solar cell module mounting structure according to an embodiment of the present invention using a module side cover.

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

5A and 5B are diagrams illustrating a mounting structure of a solar cell module according to an embodiment of the present invention, wherein FIG. 5A is a schematic cross-sectional view of the mounting structure of a solar cell module, and solar cell modules adjacent to each other. It is characterized in that a C-shaped pedestal 37 which opens upward between 10 is interposed and arranged, and (b) is a diagram showing the size relationship of each component of the mounting structure of the solar cell module. .

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

FIGS. 7A and 7B are three views of a solar cell module according to an embodiment of the present invention, wherein FIG. 7A is a plan view, and FIGS. 7B and 7C are side views.

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

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

FIG. 10 is a diagram illustrating the use of the inside of the C-shaped gantry of the solar cell module mounting structure according to one embodiment of the present invention as an electric wiring space of the solar cell module.

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

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 The solar cell module of this invention 10-A Solar cell module 10-B Solar cell module 11 Solar cell main body 12 Filler which made transparent resin into thin flat plate 13 White board reinforced glass plate 14 Filling which made transparent resin into thin flat plate Material 15 Weatherproof film 16 Solar cell main body 17 Terminal box 17A Terminal box 17B Terminal box 18 Electric cable 18A Electric cable 18B Electric cable 20 Frame body supporting solar cell main body 16 20h Connection hole of frame body 20 21 Long side Side frame material 21a Frame body portion of long side frame material 21b Fitting portion of long side frame material 21c Engagement groove portion of long side frame material 21d Base plate portion of long side frame material 21e Long side Bolt hole 21f of side frame material 21f Female screw part of screw 23 of long side frame material 21f Female screw part of screw 23 22 Short side frame material 22a Frame main body portion of short side frame material 22b Fitting plate portion of short side frame material 22c Engagement groove portion of short side frame material 22d Base plate portion of short side frame material 22 Screws 31 Rafter 32 Base plate 33 Base material made of waterproof paper or the like 34 Tile rod 35 Metal plate inclined roof 37 C-shaped base 37 h opening upward Connection hole of C-shaped base 37 38 Waterproof rubber 39 Wood screw 41 Module side cover 41 a Module side cover 41 Sleeve 41b Holding part of module side cover 41 42 Cover fixing bolt 43 Earth washer 44 Rubber washer 45 Module stopper 47 Inter-module cover 48 Holding angle 49 Trunk electrical wiring 50 Trunk electrical wiring

Claims (5)

[Claims] 1. A state in which a solar cell main body formed in a plate shape by a plurality of solar cells and a plurality of solar cell modules having a frame at each side edge of the solar cell main body are adjacent to each other. A mounting structure for mounting a solar cell module, wherein a C-shaped pedestal that opens upward is interposed between solar cell modules adjacent to each other. 2. The mounting structure for a solar cell module according to claim 1, wherein the bottom surface of the C-shaped pedestal and the bottom surface of the solar cell module are on the same plane. 3. The mounting structure for a solar cell module according to claim 1, wherein the inside of the C-shaped gantry is used as an electrical wiring space for the solar cell module. 4. The mounting structure for a solar cell module according to claim 1, wherein a side surface of the C-shaped pedestal faces a side edge portion of the immediately adjacent solar cell module, and an inter-module cover is engaged with the frame 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-type base is fastened and fixed with the inter-module cover and a module fastener by screwing the cover fixing bolt. Module mounting structure. 5. The mounting structure for a solar cell module according to claim 4, wherein when the height from the bottom of the frame to the engagement groove is A, and the height of the C-shaped frame is B, A ≦ A. B. A mounting structure for a solar cell module, wherein the mounting structure is in a relationship of B.