JP2001032453A - Solar battery module roof tile and roof tile with solar battery module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solar battery module roof tile and a roof tile with a solar battery module capable of easily performing adhering work of the solar battery module and capable of setting quality constant. SOLUTION: A solar battery module roof tile 1 has a rectangular recessed part 4 for ba solar battery module on the upper surface 1a. Relatively thin three projecting parts 7, 8, 9 are arranged at the bottom of the recessed part 4 so as to slightly project upward. Constant area adhesive surfaces 7a, 8a, 9a adhered to the reverse of the solar battery module are respectively formed on the upper end of the respective projecting parts 7, 8, 9. When adhering the solar battery module by being stored in the recessed part 4, an operator applies an adhesive only onto three adhesive surfaces 7a, 8a, 9a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tile for a solar cell module for mounting a solar cell module for photoelectrically converting sunlight on a roof of a building, and a tile with a solar cell module mounted with a solar cell module.

[0002]

2. Description of the Related Art In recent years, roof tiles mounted with solar cells for mounting solar cells, which obtain electric power by photoelectrically converting sunlight, on roofs of buildings, are becoming widespread.

[0003] For this type of tile, a flat rectangular tile having a substantially rectangular plate shape is generally used due to construction or structural problems. When the solar cell module is mounted on the flat tile, a rectangular recess for storing the solar cell module is formed on the upper surface of the flat tile, an adhesive is applied to the bottom of the recess, and the solar cell module is stored.・ Adhere. Then, a gap between the periphery of the solar cell module and the edge of the concave portion is coked to prevent rainwater from entering.

[0004] As an adhesive applied to the bottom of the recess, a silicon-based adhesive is generally used. The operator extrudes the silicone-based adhesive from the tube and applies the silicone-based adhesive to the bottom of the concave portion at an appropriate position by a measure.

[0005]

For this reason, the amount of the adhesive applied and the position where the adhesive is applied differ depending on the worker, and the bonding state of the solar cell module is not fixed by the worker, resulting in a variation in quality. There was a problem. Also,
Performing a stable and good bonding operation required skill.

In addition, when rainwater infiltrates into the concave portion due to deterioration of coking between the solar cell module and the concave portion, there is a problem that the connection terminals on the back side of the solar cell module get wet to cause a short circuit or short circuit.

[0007] The present invention has been made in view of the above points, and an object of the present invention is to provide a tile for a solar cell module capable of facilitating a bonding operation of the solar cell module and maintaining a constant quality.
And a tile with a solar cell module.

Another object of the present invention is to provide a tile for a solar cell module and a tile with a solar cell module, which can prevent water from leaking into a connection terminal of the solar cell module, thereby preventing electric leakage and short circuit. .

[0009]

In order to achieve the above object, a tile for a solar cell module according to the present invention is provided on a flat tile main body that is laid on an inclined roof of a building, and provided on an upper surface of the tile main body. A recess for storing the solar cell module;
A protruding portion which is provided at the bottom of the concave portion and has an adhesive surface of a fixed area adhered to the back surface of the solar cell module housed in the concave portion.

For this reason, the worker only needs to apply the adhesive on the adhesive surface having a certain area, and the amount of the adhesive applied and the position of the adhesive applied can be made constant, so that the adhesive state can be kept constant. Quality can be maintained.

Further, according to the invention described above, a storage recess for storing a terminal box on the back surface of the solar cell module is formed at the bottom of the recess, and the projection is formed in the storage recess. It is characterized by including an annular convex portion having an annular adhesive surface provided so as to surround it. In this manner, the bonding state of the solar cell module can be stabilized by forming the convex part for bonding the solar cell module into an annular convex part surrounding the storage recess for storing the terminal box. At the same time, it is possible to prevent water from entering the terminal box.

Further, according to the invention described above, the recess is provided with a discharging means for discharging rainwater flowing into the recess.

According to the above-mentioned invention, an annular groove surrounding the storage recess is formed on the annular bonding surface to prevent water from entering the storage recess, and the annular groove is formed in the recess. It is characterized by having a communicating drain.

Further, according to the invention described above, the annular bonding surface is characterized in that an annular projection surrounding the storage recess is formed in order to prevent water from entering the storage recess.

Further, the tile with a solar cell module according to the present invention comprises: a flat tile body which is laid on an inclined roof of a building;
A concave portion provided on the upper surface of the tile body, a solar cell module housed in the concave portion, and a protruding portion provided at the bottom of the concave portion and adhered to the back surface of the solar cell module housed in the concave portion. And a convex portion having an adhesive surface with a certain area.

According to the invention described above, a storage recess for storing a terminal box on the back surface of the solar cell module is formed at the bottom of the recess, and the projection is formed in the storage recess. It is characterized by including an annular convex portion having an annular adhesive surface provided so as to surround it.

Further, according to the invention described above, the recess is provided with a discharge means for discharging rainwater flowing into the recess through the space between the solar cell module and the annular bonding surface. An annular groove surrounding the storage recess is formed to prevent the storage recess from being flooded,
The annular groove has a drainage groove communicating with the concave portion.

Further, according to the invention described above, the annular bonding surface is characterized in that an annular convex portion surrounding the storage recess is formed to prevent water from entering the storage recess.

[0019]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a schematic perspective view of a roof tile 1 for a solar cell module according to a first embodiment of the present invention, and FIG. The plan view seen from the side is shown. In FIG. 2,
The broken line shows the solar cell module 6 housed in a recess 4 described later provided on the upper surface 1a of the solar cell module roof tile 1.

As shown in FIGS. 1 and 2, a roof tile 1 for a solar cell module has a substantially rectangular plate-shaped roof tile body 2 formed of, for example, a cement roof tile, a clay roof tile, a metal roof tile, or the like. As shown by a broken line in FIG. 2, the tile body 2 accommodates and adheres the solar cell module 6 to the concave portion 4, and caulks the gap between the peripheral portion of the solar cell module 6 and the inner edge of the concave portion 4. It is laid in a state of being aligned (up and down, left and right) along the sloped roof of the building in a state of being set (as a tile with a solar cell module).

On the upper side and left side of the tile body 2 in the inclination direction,
Overlap portions 2a and 2b are provided to be engaged with the tile body 2 adjacent vertically and horizontally. Further, two nail holes 3 for fixing the tile body 2 to a roof base plate (not shown) are formed in the upper overlap portion 2a.

On the upper surface 1a of the tile body 2, a rectangular recess 4 is formed over substantially the entire surface to accommodate the solar cell module 6.
Is provided. On the bottom 4a of the concave portion 4, three rectangular convex portions 7, 8, 9 arranged on the left and right are provided.

The three convex portions 7, 8 and 9 have, at their upper ends, bonding surfaces 7a, 8a and 9a which are in contact with and adhere to the back surface of the solar cell module 6 housed in the recessed portion 4, respectively. Have. The adhesive surfaces 7a, 8a, 9a of these three convex portions 7, 8, 9 are at the same height as each other, and when the solar cell module 6 is stored in the recess 4, the upper surface of the solar cell module 6 The height is set so as not to protrude above the recessed portion 4. In other words, the height of the three convex portions 7, 8, 9 is set to be at least lower than the difference between the depth of the concave portion 4 and the thickness of the solar cell module 6.

That is, the bonding surface 7 of each of the convex portions 7, 8, 9
The heights of a, 8a, and 9a are set slightly higher than the bottom 4a of the recess 4 so that the worker can recognize the adhesive application position when the worker applies the adhesive. It protrudes upward from the bottom 4 a of the part 4. Therefore, the worker can work so as to apply the adhesive only on the bonding surfaces 7a, 8a, and 9a, and it is possible to suppress the variation in the amount of the applied adhesive due to the difference between the workers, and to reduce the adhesive. Variations in the application position can be prevented.

The lower end of the recess 4 in the direction of inclination is 3
Two drain holes 5a, 5b, 5c are formed. These three drain holes 5a, 5b, and 5c function to discharge rainwater that has flowed into the recess 4 undesirably due to deterioration of coking or the like.

The convex portion 8 provided substantially at the center of the concave portion 4 is provided with a rectangular terminal box storage concave portion 10 (hereinafter, simply referred to as a storage concave portion 10). At the bottom of the storage recess 10, a cable lead-out hole 10 a is formed at a position offset toward the upper end of the tile body 2. A terminal box (not shown) provided on the back side of the solar cell module 6 housed in the recess 4 is housed in the housing recess 10, and an output (not shown) drawn out of the terminal box is provided in the cable outlet hole 10 a. The extraction cable is inserted. That is, the output cable of the solar cell module 6 is led out to the back side of the tile main body 2.

The solar cell module 6 housed in the concave portion 4 of the tile body 2 has a transparent electrode layer, an amorphous semiconductor layer and a back electrode layer formed on a single glass substrate, for example. It is a rectangular thin panel structure sealed with a sealing material for protecting the electrode layers and the like, but is not limited to the amorphous semiconductor layer.
Single crystal, polycrystal, microcrystal, Si type or compound type may be used.

Next, a description will be given of a so-called tile roofing in which a roof of a building is constructed using the tile with the solar cell module constructed as described above.

The roof of the building is provided with a base plate which is inclined downward from the ridge side toward the eave side, and the tile with the solar cell module is placed on the base plate directly or via a tile base material. .

In the same manner as a normal tile roofing operation without a solar cell module, tiles with solar cell modules are placed on a base plate sequentially from the eaves side to the ridge side. Mutually, the overlapping portion 2 of the tile body 2
a and 2b are engaged with each other, and a nail hole 3 provided in the overlap portion 2a on the upper side of the tile body 2 (see FIGS. 1 and 2).
And fix it to the ground board with a nail.

By repeating such operations, the roof can be roofed by the tile with the solar cell module.
In parallel with this roofing work, the output extraction cables derived from the terminal box of the solar cell module 6 are connected to each other.
By connecting in series or in parallel on the back side of the tile body 2, a plurality of solar cell modules 6 can be electrically connected.

As described above, the roof 1 for a solar cell module or the roof with a solar cell module according to the first embodiment of the present invention (the state shown in FIG. 2).
According to this, the bottom 4a of the recess 4 for accommodating the solar cell module 6 has slightly projecting convex portions 7, 8, 9 and the upper end of each of the convex portions 7, 8, 9 has a predetermined area. It has bonding surfaces 7a, 8a, 9a. For this reason, at the time of bonding work of the solar cell module 6, the worker only needs to apply the adhesive on each of the bonding surfaces 7a, 8a, 9a,
The application amount and application position of the adhesive can be made constant.
For this reason, the bonding operation can be facilitated, and the variation in the applied amount and the applied position of the adhesive due to the difference of the workers can be suppressed,
The bonding state can be kept constant, and the quality can be kept constant.

Further, the convex portion 8 provided substantially at the center of the concave portion 4 functions as an annular convex portion surrounding the storage concave portion 10 for storing the terminal box of the solar cell module 6, so that the coking is deteriorated. Even if rainwater flows into the recess 4 undesirably due to the above, it is possible to prevent rainwater from flowing into the storage recess 10 and prevent the terminal box and the output extraction cable of the solar cell module from getting wet. , Leakage and short circuit can be prevented.

The convex portion formed at the bottom of the concave portion 4 is
The shape is not limited to the shape described above, and may be any shape. For example, the central convex portion 8 is formed in an annular shape surrounding the storage concave portion 10, but it is not always necessary to form the annular shape in this way.

FIG. 3 is a schematic perspective view of a solar cell module tile 20 according to a second embodiment of the present invention, and FIG. The plan view seen from FIG. This roof for solar cell module 20 is used as a discharging means for discharging rainwater flowing into the recessed portion 4 instead of the drain holes 5a, 5b, and 5c of the roof for solar cell module 1 of the first embodiment described above. And a drain port 22 on the lower end side of the concave portion 4. The configuration other than the drain port 22 is the same as that of the solar cell module roof tile 1 of the first embodiment described above.

The drain port 22 is provided over substantially the entire length of the lower end side of the concave portion 4, and the lower end side of the tile body 2 is cut off at the same depth as the concave portion 4. Thus, rainwater undesirably flowing into the recessed portion 4 due to deterioration of coking, etc.,
It flows out through this drain port 22.

This embodiment is also laid on the roof of a building and functions in the same manner as in the first embodiment. That is, by using the solar cell module roof tile 20, the same effect as in the case of using the solar cell module roof tile 1 of the above-described first embodiment can be obtained.

Hereinafter, several modifications of the roof tiles 1 and 20 for the solar cell module according to the first and second embodiments will be described.

That is, when the solar cell module 6 is bonded to the concave portion 4 of the tile main body 2, a double-sided tape or the like may be used as a means for temporarily fixing the solar cell module 6 until the adhesive dries. When using double-sided tape, for example,
A double-sided tape is provided on the adhesive surface 8a of the central convex portion 8 in an annular shape around the housing concave portion 10. Thereby, in addition to the function of temporarily fixing the solar cell module 6, the double-sided tape also functions as a packing that prevents water from entering the storage recess 10.

In order to fix the solar cell module 6 to the concave portion 4 of the tile body 2 without using an adhesive or a double-sided tape, a fixing tool as shown in FIGS. 5A and 5B is used. 30, 40 may be used.

5 (a) includes a main body 32 obtained by bending a rectangular elongated plate, a hook portion 34 hooked on the lower end side of the solar cell module 6 fitted into the concave portion 4,
And a screw portion 36 that is inserted into a screw hole (not shown) provided through the roof body 2. This fixture 3
When fixing the solar cell module 6 to the concave portion 4 by using a hook 0, the solar cell module 6 is fitted into the concave portion 4 while the hook portion 34 is hooked on the lower end of the solar cell module 6, and the screw portion 36 is fixed. A nut (not shown) is inserted into a screw hole (not shown) of the tile body 2 and screwed to a screw portion 36 on the back side of the tile body 2.

5 (b) includes a main body 42 obtained by bending a rectangular elongated plate, a hook portion 44 hooked on the lower end side of the solar cell module 6 fitted into the concave portion 4, and a solar cell. It has a hook portion 46 to be hooked on the upper end side of the module 6 and two screw portions 48a and 48b inserted into screw holes (not shown) provided through the tile body 2. This fixing tool 40 is attached similarly to the fixing tool 30 of FIG.

As shown in FIG. 6, an annular groove 50 for preventing inundation may be provided around the housing recess 10 for housing the terminal box of the solar cell module 6. In this case, the annular groove 50 communicates with the concave portion 4 of the tile body 2 through a plurality of drain grooves 51 provided on the lower end side in the inclined direction. By providing the annular groove 50 surrounding the storage recess 10 in this way, it is possible to reliably prevent water from entering the storage recess 10.

Further, as shown in FIG. 7, an annular convex portion 60 for preventing water from entering may be provided around the housing recess 10 for housing the terminal box of the solar cell module 6. Thus, by providing the annular convex portion 60 surrounding the storage recess 10, it is possible to reliably prevent water from entering the storage recess 10.

The present invention is not limited to the above-described embodiment, but can be variously modified within the scope of the present invention.

[0047]

As described above, the tile for a solar cell module and the tile with a solar cell module according to the present invention are as follows.
With the above-described configuration and operation, the work of bonding the solar cell modules can be facilitated and the quality can be made constant. In addition, it is possible to prevent water from infiltrating into the connection terminals of the solar cell module, and to prevent electric leakage and short circuit.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing a roof for a solar cell module according to a first embodiment of the present invention.

FIG. 2 is a plan view of the solar cell module roof tile of FIG. 1 as viewed from the upper surface side.

FIG. 3 is a schematic perspective view showing a roof for a solar cell module according to a second embodiment of the present invention.

FIG. 4 is a plan view of the solar cell module tile of FIG. 3 as viewed from the upper surface side.

FIG. 5 is a schematic perspective view showing a fixing tool for fixing the solar cell module to the concave portion.

FIG. 6 is a perspective view showing an annular groove formed around a storage recess.

FIG. 7 is a perspective view showing an annular convex portion formed around a storage concave portion.

[Explanation of symbols]

 1, 20: roof tile for solar cell module, 2: roof tile main body, 4: concave part, 4a: bottom, 5a, 5b, 5c: drain hole, 6: solar cell module, 7, 8, 9: convex part, 7a Reference numerals 8a, 9a: adhesive surface, 10: storage recess, 22: discharge port, 30, 40: fixing fixture, 50: annular groove, 51: drain groove, 60: annular projection.

Claims (9)

[Claims] 1. A flat tile body that is laid on an inclined roof of a building, a concave portion provided on an upper surface of the tile body for storing a solar cell module, and a protrusion protruding from a bottom of the concave portion. A roof for a solar cell module, comprising: a convex portion having an adhesive surface of a fixed area adhered to the back surface of the solar cell module housed in the recess. 2. A storage recess for storing a terminal box on a back surface of the solar cell module is formed at a bottom of the recess, and the projection is provided to surround the storage recess. The roof tile for a solar cell module according to claim 1, comprising a ring-shaped convex portion having a ring-shaped bonding surface. 3. The roof tile for a solar cell module according to claim 2, wherein said concave portion is provided with a discharging means for discharging rainwater flowing into the concave portion. 4. An annular groove surrounding the housing recess is formed on the annular bonding surface to prevent water from entering the housing recess, and the annular groove has a drain groove communicating with the recess. The roof tile for a solar cell module according to claim 3, wherein: 5. The solar cell module according to claim 2, wherein an annular projection surrounding the storage recess is formed on the annular bonding surface to prevent water from entering the storage recess. Roof tiles. 6. A flat tile body that is laid on an inclined roof of a building, a recess provided on an upper surface of the roof body, a solar cell module housed in the recess, and a bottom of the recess. And a protruding portion having an adhesive surface with a fixed area adhered to the back surface of the solar cell module housed in the recessed portion. 7. A storage recess for storing a terminal box on the back surface of the solar cell module is formed at the bottom of the recess, and the projection is provided so as to surround the storage recess. The tile with a solar cell module according to claim 6, comprising a ring-shaped convex portion having a ring-shaped bonding surface. 8. The recess is provided with a discharging means for discharging rainwater flowing into the recess through the space between the solar cell module and the annular bonding surface. 8. The tile with a solar cell module according to claim 7, wherein an annular groove surrounding the storage recess is formed to prevent water intrusion, and the annular groove has a drain groove communicating with the recess. 9. 9. The solar cell module according to claim 7, wherein an annular projection surrounding the storage recess is formed on the annular bonding surface to prevent water from entering the storage recess. Roof tile.