JP3163225B2 - Structure of solar cell roof tile - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solar cell roof structure. More specifically, the present invention relates to a structure of a new solar cell tile having excellent waterproofness and durability.

[0002]

2. Description of the Related Art Conventionally, it has been proposed to arrange solar cell panels of various structures on a roof of a house or the like in order to utilize sunlight as natural energy.
Some of them have been put to practical use. However, arrangement of solar panels on the roof, installation location is Ri unstable der in order to be on the slope of the roof, also, it did not intended also preferable in terms of appearance design.

[0003] From this point of view, built-in solar cells on the roof tiles, to improve set置安qualitative, durability, roof appearance has also been considered to be good. Even field 9
As exemplified in (1), a solar cell tile (A) has been proposed in which a solar cell (C) is embedded in a tile substrate (A) made of cement or the like, and an exposed portion (D) is disposed in front of the cell. The solar cell roof tile (A), as shown in FIG. 10, it is contemplated that it can be placed on the roof surface normal tile and (e) combining observed.

[0004]

However, the above-mentioned conventional solar cell roof tiles (i) have problems that must be solved when they are put to practical use.
I have. The first point, as shown in FIG. 9, tile substrate (b)
When configuring a planar tile by embedding only the solar cell (c) to, tile substrate boundary with the arrangement of the (A) of the solar cell (c) (f) rainwater readily accumulates in, the boundary portion If there is immersion entry of rain water in the (mosquito), the exclusion is not difficult
That is the point. For this reason, we function stability loss of rain water and by Ri solar cells in the frozen (c), deterioration is not easy to proceed.

[0005] The second point is that , regarding the arrangement of the solar cell roof tile (a) on the roof surface, as shown in FIG. 11, even if the solar cell roof tile (a) is superimposed on the roof surface (g). even if mounted fixed, the overlapping portions impaired stability of the mounting fixed even if earthenware pots etc. are stated in the blowing wind and rain to (h), by entering rainwater (Ke) is immersed from the gap roof (g waterproof) is that impaired.

[0006] invention there Deco is to solve the problems of the conventional solar cell roof tile street above, to provide a structure of a new <br/> have photovoltaic tiles excellent waterproof and durable The purpose is.

[0007]

SUMMARY OF THE INVENTION The present invention, as to solve the above problems, the tile itself, the solar cell roof tile
The board is fixed to the step of the board and fixed to the tile board.
A solar cell roof tile with a solar cell at the step of the tile substrate
A structure of a solar cell roof tile (claim 1) , wherein a water gap is formed between the roof tile and the roof substrate . Also,
According to the present invention, in the structure of the solar cell tile described above, the tile substrate is attached and fixed to a roof surface with a screw provided with a waterproof packing having a female screw portion on a head (Claim 2). attaching and fixing by screws, be carried out at the position of the exposure of the solar cell roof tile (claim 3), solar cells, the upper frame member, to be fixed to the roof tile substrate via the presser plate (claim 4 ), Ri by the linking of the male screw into the female threaded portion of the screw head
Presser bracket is fixedly attached to the tile substrate, the upper frame member is secured screws to the presser bracket (Claim 5), further, the front end portion of the upper frame member, the hanging parts to a tile substrate end extending What is provided (claim 6) is provided as one mode .

[0008]

[Action] solar cells tile Te structure smell of the solar cell roof tile of the invention this is the tile itself, which solar cell is incorporated is disposed fixed to the step portion of the tile substrate to the tile substrate, the originating
In the structure of the solar cell side of Ming,
Water gap between the solar cell and the tile substrate at the step of the substrate
Between is that has been formed. For this reason, the tile substrate and the solar cell
Even rainwater has penetrated immersed in boundary portion, it is possible to <br/> easily exclude rainwater from between the passing Mizusuki. No inconvenience such as deterioration or damage of the solar cell due to rainwater or its freezing occurs. The above water gap
During may the tile substrate Screw provided with a waterproof packing, fitting retainer thereon, more formed sequentially arranged to fix the solar cell and the upper frame member.

[0009] Moreover, the water passage gap, the front end portion of the upper frame member, by extending the downwardly extending portion to the tile substrate end portion, without leaving exposed the outer part, the solar cell by blowing wind and rain The fixed stability and waterproofness of the tile are not impaired .

[0010] following, Examples further detail the structure of the solar cell roof tile of the invention and advantages thereof will be described.

[0011]

FIG. 1 of the accompanying drawings shows a solar cell according to the present invention.
FIG. 2 is a cross-sectional view illustrating the structure of the tile.,
This is an example of the disassembled state. ThisTheseFIG. 1 and
As exemplified in FIG.For solar cell roof tile structure
InSolar cell roof tile (1) Is,In the tile alone, the solar cell
(4)Tile board made of cement etc. (2)Step (2
2)Arranged and fixedBuilt into the tile substrate (22)
It is. And, in the structure of the solar cell side of the present invention,
The step portion of the tile substrate (2) of the solar cell tile (1)
In (22), between the solar cell (4) and the tile substrate (2)
ToThe water gap (3)FormationHas been. ThisExampleAt
Means that the tile substrate (2) has a female screw (51) at the head.
Attach to roof with screws (5) with water packing (52)
Fixed. thisTo the roof surfaceMounting and fixing with screw (5)
The solar celltile(1) At the location of the exposed part (41)
AndYou.Also, Solar cell (4), upper frame body
(6)Of solar cells (4)beneathLocated inPresser foot
This is fixed to the tile substrate (2) via the fixture (7).
Fixedthe aboveThe head of the screw (5) to the female thread (51)
Removing the holding bracket (7) by connecting the male screw (8)AdherenceSet
And thisMountingTo the fixed holding bracket (7)
For mounting and fixing the upper frame body (6) with screws (9)
YoRealizeding.

[0012] tile substrate (2) is drained grooves for draining the subsequent section (21) is provided, between the solar cell (4) disposed fixed to the step section (22) Formation
Been Ri by the water flow gap (3), can be rain water from the boundary portion (10) is also easily eliminated by infiltration.

[0013] The spacing of the water passing gap (10), water flow, the distance can only prevent the surface tension of water, can be, for example, more than about 5 mm. Figure 3 <a>
< B > is a perspective view and a cross-sectional view illustrating a screw (5) for fixing the tile substrate (2) to the roof surface. The head of the screw (5) a female screw portion (51) is provided, or One waterproof packing (52) is provided. Waterproof packing (52)
It is eclipsed set so as to cover the head of the metal screw (5). Of course, the arrangement of the waterproof packing (52) and
For fine material is suitably selected from among various. Figure 4 is an exemplary perspective view of another embodiment of a female threaded portion (51).

[0014] Solar cell Ru using screws (5) having a these female screw portion (51) waterproof packing (52) (4)
For mounting, as shown in FIG. 5, without using the presser plate (7), the upper portion frame member (60)
Using a screw (5) and the upper part frame fixing screws (90)
It is conceivable to dispose and fix the solar cell (4) on the tile substrate (20) by the connection of (2).

[0015] Only in the case of Sico, since that would be attached and fixed at the end of the tile substrate (20), tile substrate (2
0) there is a possibility that will be destroyed. Attempting to increase the strength of, as shown in FIG. 6, it is inevitable to increase the frame width of the upper frame member (60) (L), thereby the thickness <br/> solar cell of (4) disposed area is smaller, sexual capacity, efficiency is to be retracted.

[0016] Thus, preferably, Ru is recommended fixed via press <br/> example fittings as described (7). Ri by the use of the pressing plate (7), without increasing the frame width of the upper frame member (6) (L), was cheap boss and Ru are realized excellent solar tile durability. Explaining Te <br/> basis of this point to re-time 7, and attached and fixed to pressing plate (7) Rene di having a female threaded portion (51) by a male screw (8) (5), this
Attach upper frame body (6) to presser fitting (7)
In order to fix, the frame width of the upper frame body (6) is
Can not be with the hardware, enough solar cells (4)
It can be arranged and fixed to the tile substrate (2) in the arrangement area .

[0017] Thus, without damaging the strength, yet it without reducing the disposed area of the solar cell (4), yet the volume <br/> easily, attachable stable solar cells (4) Becomes
In the structure of the solar cell tile according to the present invention, FIG.
And as illustrated in FIG. 2, vertical lower (6 a front end portion of the upper frame member (6) ends of the tile substrate (2) (23) with Nima
By extending the 1), proof exposure water passage gap (3)
Can be stopped . Solar cell roof tile illustrated in FIG. 8 (1)
As is clear from the state of construction on the roof surface (11),
Even though blown is weather (12), vertical lower (6
Ri by the presence of 1), weather (12) is not immersed <br/> enter the water passage gap (3), also degrading the mounting strength of the solar cell roof tile (1), waterproof performance impaired Not even. Even if there was a if slight immersion entry of rainwater, waterproof performance by the presence of said draining grooves (21) is completely maintained. Rainwater, as before mentioned <br/>, Ru is <br/> eliminate through the water passage gap (3) from the boundary portion (10).

In the structure of the solar cell tile according to the present invention,
Its detail to any limitation rather than in the arrangement of solar cells (4), as illustrated in FIGS. 1 and 2, the end face sealing material such as silicone (13) and a glass plate surface (14) or It can be appropriately arranged transparent drainage resin plate or the like
You. It is self-evident that various aspects are possible.

[0019]

As has been described [of the effect the invention described above in detail, Ri by <br/> to this inventions, superior to the rain water drainage, excellent in that no durability even by blowing the wind and rain compromising the mounting strength and waterproof performance solar roof tiles were
Structure is provided.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating the structure of a solar cell tile according to the present invention.

FIG. 2 is an exploded sectional view corresponding to FIG.

[Figure 3] <a> <b> are each a perspective view and a cross-sectional view illustrating a screw for roof fixing tile substrate.

4 is a perspective view for illustrating an example embodiment of another screw and FIG.

Figure 5 is a fragmentary cross-sectional view showing a problem of the screw joint for solar Ikehai set.

[6] Another problem of the screw joint for solar cells arranged
It is shown the cross sectional view.

7 is a perspective plan view illustrating the structure of a solar cell roof tile of the present invention.

8 is a cross-sectional <br/> diagram illustrating a mounted state of the roof surface of the solar cell roof tile.

9 is a perspective view of a solar cell roof tile.

FIG. 10 is a perspective view illustrating an arrangement state of a conventional solar cell tile.

FIG. 11 is a sectional view corresponding to FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Solar cell roof tile 2 Tile board 21 Drainage groove part 22 Step part 23 End part 4 Solar cell 41 Exposure part 5 Screw 51 Female screw part 52 Waterproof packing 6 Upper frame body 61 Hanging part 7 Holder 8 Male screw 9 Screw 10 Boundary part 11 Roofing surface 12 Wind and rain 13 End sealing material 14 Glass plate 20 Tile board 60 Upper frame body 90 Screw

────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shigeki Takeda 1048 Odakadoma, Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. (56) References JP-A-62-129448 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) E04D 1/30 E04D 13/18 H01L 31/04

Claims (6)

(57) [Claims] In a single tile, a solar cell is mounted on a step of a tile substrate.
Solar cell tiles that are fixed to the difference part and incorporated into the tile substrate
The solar cell and the tile substrate at the step portion of the tile substrate
A structure of a solar cell tile , wherein a water gap is formed therebetween . 2. The tile substrate is attached and fixed to a roof surface with a screw provided with a waterproof packing having a female screw portion on a head.
Solar roof tile structure. 3. The structure of the solar cell tile according to claim 2, wherein the fixing to the roof surface by screws is performed at a position of an exposed portion of the solar cell tile. 4. A solar cell, the upper frame member, any structure of a solar cell roof tile of claim 1 to 3 is fixed to the tile substrate through the press <br/> e fitting. Claims 5. A screw head of <br/> by Ri押 example fitting the coupling of the male screw into the female screw portion is fixedly attached to the tile substrate, an upper frame body presser bracket is fixed screw Item 4. The structure of the solar cell tile of Item 4. 6. The structure of a solar cell tile according to claim 4, wherein a hanging part is extended from a front end of the upper frame body to an end of the tile substrate.