JPH10115051A - Roofing tile attached with solar battery - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solar battery attached roofing tile having excellent in appearance design of a roof, clear of dust on its surface, good workability at the time of roofing and questionless of being damaged by load or strengthwise. SOLUTION: A solar battery 12 is fitted in a square type recessed area 11a provided in the center of a flat tile 11 with a fringe left on the surface. In this case, the fringe in the orthogonal direction opposite to the flowing slope direction of the flat tile 11 is formed in a flush fringe 11b approximately flush with the surface of the solar battery 12 and the fringe in the parallel direction to the flowing slope direction of the flat tile 11 is formed in a protruding fringe 11c protruding beyond the surface of the solar battery 12 surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a roof tile with a solar cell.

[0002]

2. Description of the Related Art Conventionally, a solar cell is installed on a roof of a house or the like, and various methods of applying the solar cell to save the power consumption by supplementing the original power consumption by utilizing the energy of the sunlight are devised. Have been. Examples of the application of the solar cell as described above include, for example, solar cell tiles described in JP-A-4-28524 and JP-A-8-144440.

An example described in the former Japanese Patent Application Laid-Open No. Hei 4-28524 is one in which a shallow concave portion capable of receiving a solar cell is provided on the surface of a roof tile, and the solar cell is housed by projecting the surface into the concave portion. It is.

A solar cell tile described in Japanese Patent Application Laid-Open No. 8-144440 is a solar cell tile in which a solar cell is supported by a frame body and fixed or fixed to a step on a cement tile substrate. is there.

[0005]

However, in the case of the former disclosed in Japanese Patent Application Laid-Open No. 4-28524, the solar cell is provided so as to protrude from the upper surface of the roof tile. There is a problem that dust and the like adhere.

In addition, when the tiles are laid, there is a problem that the protruding state of the solar cells is conspicuous and the appearance of the roof is not good in appearance. Further, since the solar cell has a structure that is most susceptible to a load on which a person is placed during construction or an impact load such as a flying object, the structure is most likely to be damaged.

Further, in the latter solar cell tile described in Japanese Patent Application Laid-Open No. 8-144440, when the tile is laid, the substrate portions of the tile are superimposed and almost buried on the back side. However, the upper surface is almost completely occupied by the solar cells, and there is a problem that it is necessary to secure a separate walkway on the roof during the roofing work of the tile.

The present invention has been made in view of the above-mentioned problems. It is an object of the present invention to solve these problems, to provide an excellent appearance design of a roof, and to provide dust on a top surface. The present invention provides a roof tile with a solar cell, which does not adhere, has good workability at the time of roofing, and has no risk of damage due to a load from above and no problem in strength.

[0009]

In the roof tile with solar cells according to the present invention, the solar cell is mounted in a square-shaped recess provided at the center of the flat tile except for the peripheral edge on the front side. A roof tile with solar cells, wherein two sides of a peripheral edge in a direction orthogonal to a flow gradient direction of the flat tile are formed so that the upper surface thereof is substantially flush with the upper surface of the solar cell, and the flow gradient direction is Are characterized in that two sides of the peripheral edge in a direction parallel to the upper surface project from the upper surface of the solar cell as a projecting peripheral edge.

In the roof tile with a solar cell according to the second aspect of the present invention, the roof tile with the solar cell according to the first aspect has a total width of 4 to 15 cm in which the projecting peripheral edges are abutted in the laid state. It is characterized by being.

According to a third aspect of the present invention, there is provided a roof tile with a solar cell according to the first aspect, wherein a protruding edge of the roof tile with the solar cell from the upper surface of the solar cell is 1 to 5 mm. Features.

[0012]

In the roof tile with solar cells according to the present invention, the peripheral edge of the flat tile in the direction perpendicular to the flow gradient direction is:
The upper surface is formed substantially flush with the upper surface of the solar cell as a peripheral edge, and the peripheral edge in a direction parallel to the flow gradient direction is
Since the upper surface protrudes from the upper surface of the solar cell and is formed as a protruding peripheral edge, there is no step at the boundary between one peripheral edge of the surface and the solar cell, the flow of rainwater is smooth, and no dust adheres. Moreover, the appearance design after roofing can be improved.

In addition, in the roofing state, the total width of the projecting peripheral edges butted is formed to be a walkable width, so that the work can be carried on the projecting peripheral edges while avoiding the solar cell during the roofing operation, Workability equivalent to that of a conventional roof tile is ensured, and work efficiency can be improved. Also, even if a foot is placed on the solar cell, most of the load is borne by the protruding peripheral edge of the flat tile, so that damage to the solar cell can be prevented.

Further, since the boundary between the protruding peripheral edge and the solar cell coincides with the flow direction of rainwater even if there is a step,
Since it is constantly washed away by rainwater, there is no danger of dust and the like adhering.

In the roof tile with a solar cell according to the second aspect of the present invention, in the roofing state, a sufficient width of the protruding peripheral edges of 4 to 15 cm is secured, so that the sun is It is possible for the worker to work on the protruding periphery without concern, avoiding the battery.

In the roof tile with a solar cell according to the third aspect of the present invention, the height of the protruding edge of the solar cell from the upper surface of the solar cell is 1 to 5 mm. In addition, most of the load can be borne by the projecting peripheral edge, and damage to the solar cell can be prevented. In addition, the height of the protruding edge from the upper surface of the solar cell is as small as 1 to 5 mm and the step is small, so that the appearance design of the roof is not impaired and the appearance can be improved. .

[0017]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an example of a roof tile with a solar cell of the present invention, and FIG. 2 is a plan view of FIG. 1 and 2, the roof tile 10 with a solar cell according to the present embodiment has a structure in which the solar cell 12 is mounted in a square-shaped concave portion 11a provided at the center of the flat tile 11 except for the peripheral edge on the front side. Have. However, in FIG.
Or not attached.

The two edges of the flat tile 11 in the direction perpendicular to the flow gradient direction are formed so that the upper surface thereof is substantially flush with the upper surface of the solar cell as a flat peripheral edge 11b. On the other hand, two sides of the peripheral edge in the direction parallel to the flow gradient direction of the flat tile 11 project from the upper surface of the solar cell as the projecting peripheral edge 11c.

The details of the above structure will be described below.
The peripheral edge 11b of the flat tile 11 of the roof tile 10 with a solar cell according to the present embodiment is formed substantially flush with the upper surface 12a of the solar cell 12, as shown in FIG.

On the other hand, the protruding peripheral edge 11c of the flat roof tile 11 has a protruding height H of about 1.5 mm in the vicinity of the central portion of the solar cell 12 which protrudes most from the upper surface 12a.
The width W (shown in FIG. 2) of the protruding peripheral edge 11c is 2.
It is 5 cm. Therefore, in the overlapped roofing state, the total width (2 W) of the protruding peripheral edges 11c of the roof tiles 10 with solar cells butted against each other is 5.0 cm.

As described above, the roof tile with solar cell 10 of the present invention has no step at the boundary between the peripheral edge 11b of the surface and the solar cell 12, so that the flow of rainwater is smooth and dust adheres. Absent. Moreover, the appearance design after roofing can be improved.

In the roofing state, the projecting peripheral edge 1
Since the total width of the abutted portions 1c is at least 5 cm, and the width is such that it can be walked, the roofing work can be performed on the protruding peripheral edge 11c while avoiding the solar cell 12 during roofing work. Equivalent workability is secured, and work efficiency can be improved.

Even if a foot is placed on the solar cell 12, most of the load is borne by the protruding peripheral edge 11c of the flat tile 11, so that the solar cell can be prevented from being damaged.

Further, the protruding peripheral edge 11c and the solar cell 12
Even if there is a step as described above, the boundary is coincident with the flow direction of rainwater, so that it is always washed away by rainwater, so that there is no concern that dust or the like adheres.

FIG. 4 is a perspective view showing an example of construction of the roof tile with solar cell 10 of the present invention. That is, the roof tile with solar cell 1
0, while the conventional flat tile 2 was laid,
The flat tile 11 is laid, the connection cords 13a, 13a between the adjacent flat tiles 11, 11 are connected and wired, and then the solar cell 12 is fitted into the concave portion 11a of the flat tile 11. In this manner, the roof tiles with solar cells 10 can be sequentially laid.

The roof tile 10 with a solar cell according to the present invention is provided with a concave portion 11a in a flat tile 11 having the same specification as the conventional flat tile 2 in terms of shape, dimensions, etc., and the solar cell 12 is integrated with the concave portion 11a. As shown in FIG. 4, the roof tile with the solar cell can be laid in the same manner as the conventional flat tile 2 as shown in FIG. 10 can be used, and solar energy can be used simply and inexpensively.

[0027]

According to the first aspect of the present invention, in the roof tile with solar cells according to the present invention, the peripheral edge of the flat tile in the direction orthogonal to the flow gradient direction has its upper surface substantially flush with the upper surface of the solar cell. Also, since the peripheral edge in a direction parallel to the flow gradient direction is formed as a projecting peripheral edge with its upper surface protruding from the upper surface of the solar cell, there is no step at the boundary between one peripheral edge of the surface and the solar cell, The flow of rainwater is smooth and dust does not adhere. Moreover, the appearance design after roofing can be improved.

In the roofing state, the total width of the projecting peripheral edges is formed to be a walkable width, so that work can be performed on the projecting peripheral edges while avoiding the solar cell during roofing work. Workability equivalent to that of a conventional roof tile is ensured, and work efficiency can be improved. Also, even if a foot is placed on the solar cell, most of the load is borne by the protruding peripheral edge of the flat tile, so that damage to the solar cell can be prevented.

Further, even if there is a step, the boundary between the protruding peripheral edge and the solar cell coincides with the flow direction of rainwater.
Since it is constantly washed away by rainwater, there is no danger of dust and the like adhering.

In the roof tile with a solar cell according to the second aspect of the present invention, in the roofing state, a sufficient width of the protruding peripheral edges of 4 to 15 cm is ensured, so It is possible for the worker to work on the protruding periphery without concern, avoiding the battery.

In the roof tile with a solar cell according to the third aspect of the present invention, the height of the protruding edge of the solar cell from the upper surface of the solar cell is 1 to 5 mm. In addition, most of the load can be borne by the projecting peripheral edge, and damage to the solar cell can be prevented. In addition, since the level difference is as small as 1 to 5 mm, the appearance can be improved without impairing the appearance and design of the roof. Therefore, it is suitable as a roof tile with a solar cell.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a roof tile with a solar cell of the present invention.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a perspective view showing a construction example of a roof tile with a solar cell according to the present invention.

[Explanation of symbols]

 2 (conventional) flat tile 10 roof tile with solar cell 11 flat tile 11a concave portion 11b one peripheral edge of surface 11c protruding peripheral edge 12 solar cell 12a upper surface 13 connection cord H protruding height W width

Claims (3)

[Claims] 1. A roof tile with a solar cell, wherein a solar cell is mounted in a square-shaped recess provided at a center portion of the roof tile except for a peripheral edge on a front side thereof, wherein the roof tile is orthogonal to a flow gradient direction of the flat tile. The peripheral edge in the direction is formed so that its upper surface is substantially flush with the upper surface of the solar cell, and the peripheral edge in the direction parallel to the flow gradient direction projects its upper surface from the upper surface of the solar cell as a projecting peripheral edge. A roof tile with a solar cell, which is formed. 2. The roof tile with a solar cell according to claim 1, wherein, in the roofing state, a total width of the projecting peripheral edges is 4 to 15 cm. 3. The roof tile with a solar cell according to claim 1, wherein a height of the protruding edge from a top surface of the solar cell is 1 to 5 mm.