JP2001085728A - Solar battery module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a solar battery module, in which an air layer can be obtained between a set face and a solar battery module, and this air layer can be used as the wiring passage of the solar battery module, when arranging a plurality of heat insulating blocks on which a solar battery panel is loaded. SOLUTION: This solar battery module is provided with a rectangular heat insulating block 2, whose at least four corners are provided with supporting legs 65 and whose upper face, is provided with a recess 5 and a solar battery panel 3 housed in the recess 5 of the heat-insulating block 2. Heat insulating materials 4 are arranged on the backside of the heat insulating block 2, and notched parts 7 put through to the backside are arranged at least at one part of the peripheral part of the heat insulating block 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solar cell module having excellent heat insulation properties, for example, installed on a roof or a roof of a concrete building.

[0002]

2. Description of the Related Art The roofs and roofs of concrete buildings such as buildings receive the highest amount of solar heat in summer and become high in temperature. Exposure to the environment. In order to save energy and create a more comfortable living environment, the rooftop shall be laid down on the rooftop for cold protection in winter and heat protection in summer.
Further, the durability of buildings has been improved.

On the other hand, a photovoltaic power generation system in which a solar cell panel is mounted on the above-described heat insulating block and the solar energy is directly converted into electric energy has been developed.

For example, Japanese Unexamined Utility Model Publication No. Sho 62-42620 discloses a heat insulating block in which a transparent layer is provided on a part of a plane portion.
The solar cell panel is attached to this transparent layer.
Also, Japanese Patent Application Laid-Open Nos. H8-24201 and 9-12
In Japanese Patent No. 5607, a solar cell panel is provided in a laminated manner on a surface side of a heat insulating block manufactured using a hydraulic binder with a heat insulating material interposed therebetween. The output space drawn from each solar cell panel in the lower space of the heat insulating block is used as a wiring passage.

[0005] In each of the above-mentioned conventional devices, a large number of heat-insulating blocks are directly laid or supported on the roof of a building such as a building to suppress heat transfer to the building and heat radiation from the building. Energy saving, comfortable living environment,
Further, it is effective for improving the durability of the building.

[0006]

However, the above-described heat-insulating block on which the conventional solar panel is mounted is rectangular, and the side edges of the heat-insulating block are directly placed on the roof of a building such as a building in a state where they are in close contact with each other. Or it is supported on a flat roof.

Therefore, when inspecting or repairing the solar cell panel and wiring mounted on the heat insulating block, for example, even if one heat insulating block located at the center is to be removed,
Because the outer edges of the insulation block are in close contact with each other,
Jigs and the like as well as fingers cannot be inserted. Therefore, it is necessary to remove the heat insulating block near the heat insulating block to be inspected or repaired at the same time, and much labor is spent on the inspection or repair.

The present invention has been made in view of the above circumstances, and aims at energy saving, comfortable living environment, and improvement of durability of buildings regardless of the four seasons. Another object of the present invention is to provide a solar cell module that can easily and individually remove a heat insulating block on which a solar cell panel is mounted, and that can be easily inspected and repaired.

[0009]

According to the present invention, in order to achieve the above object, a first aspect of the present invention is a rectangular heat insulating block having support legs at least at four corners and a concave portion on the upper surface. In a solar cell module including a solar cell panel housed in the concave portion of the heat insulating block, a heat insulating material is provided on the rear surface side of the heat insulating block, and a cutout penetrating the rear surface is provided in at least one portion of the peripheral edge of the heat insulating block. It is characterized by having been provided.

According to a second aspect of the present invention, in the heat insulating material of the first aspect, an extruded foam material is driven in at the same time as the molding of the heat insulating block, and is provided integrally with the heat insulating block.

According to a third aspect of the present invention, the notch of the first aspect is provided on four sides of the heat insulating block.

According to the above construction, when a large number of heat-insulating blocks on which solar cell panels are mounted are laid, an opening penetrating through the back surface of the heat-insulating block is formed by a cutout provided at a peripheral portion of the heat-insulating block. The heat insulating block can be lifted by inserting a finger or a jig from the part. Further, the opening has a function of ventilating warm air staying in a space below the heat insulating block.

[0013]

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

1 to 4 show a first embodiment, and FIG.
(A) is a vertical side view of the solar cell module, (b) is a plan view of the solar cell module, FIG. 2 is a vertical side view of the laid state of the solar cell module, FIG. 3 is an exploded perspective view of the solar cell module, and FIG. FIG. 3 is a perspective view of a state where a solar cell module is laid.

As shown in FIGS. 1 and 3, the solar cell module 1 includes a rectangular heat insulating block 2, a solar cell panel 3, and a heat insulating material 4. The heat insulating block 2 is formed by hardening a hydraulic binder made of an inorganic substance such as cement, lime or gypsum and water or a mixture obtained by kneading the hydraulic binder with sand and crushed stones and water. The upper surface is provided with a rectangular recess 5 for accommodating the solar cell panel 3. The mixture may be made porous by mixing air bubbles, or glass fiber or steel wire may be mixed as an aggregate.

At the four corners of the heat insulating block 2, there are provided support legs 6 projecting integrally to the back side, and at the four sides as the peripheral edge, a semicircular notch 7 penetrates to the back side. Is provided. Further, the heat insulating material 4 is embedded on the back side of the heat insulating block 2. This insulation 4
Is obtained by extruding foamed polystyrene, foamed polyethylene, foamed polyurethane, foamed polyvinyl chloride, or the like, which is excellent in heat insulation, heat retention, and heat storage, at the same time as the heat insulation block 2 is molded and driven into the heat insulation block 2. It is provided integrally with the heat insulating block 2.

The dimensions of the heat insulating block 2 are, for example, 39
0 × 390 × 100 (mm), and the thickness of the heat insulating plate 4 is preferably about 15 to 35 mm, though it depends on the climatic conditions of the area where the work is performed and the required heat insulating conditions.

Furthermore, the depth of the recess 5 provided on the upper surface of the heat insulating block 2 is the same as the thickness of the solar cell panel 3,
Alternatively, it is formed slightly deeper than the wall thickness, and a cable lead-out hole 9 for an output lead-out line 8 led out from the solar cell panel 3 is provided at a substantially central portion of the concave portion 5. Although not shown, the cable lead-out hole 9 is provided with a heat insulating material 4.
Through to the bottom.

The solar cell panel 3 is bonded to the concave portion 5 of the heat insulating block 2 configured as described above, for example, with the adhesive 10 on the bottom surface of the concave portion 5. The solar cell panel 3 has a transparent electrode layer, an amorphous semiconductor layer, and a back electrode layer formed on, for example, a single glass substrate. The back surface is further sealed with a sealing material for insulation, waterproofing, and the like. As the semiconductor layer, an amorphous semiconductor layer is preferably used, but the semiconductor layer is not limited thereto, and may be a single crystal, polycrystal, microcrystal, Si-based or compound-based.

FIGS. 2 and 4 show a state in which the solar cell module 1 is laid on an installation surface 11 such as a roof or a rooftop of a building.
Is provided, the solar cell module 1 is placed on the installation surface 1
1 is supported in a floating state (flat roof type). Therefore, the air layer 1 is provided on the lower surface of the solar cell module 1.
2 and the heat insulation effect is further improved by the air layer 12, and the air layer 12, that is, the gap can be used as a wiring passage for the output extraction line 8.

Furthermore, the notches 7 provided on the four sides of the heat insulating block 2 become circular openings 13 when the side edges of the adjacent heat insulating blocks 2 are abutted, so that fingers, tools and the like can be inserted. I have. The opening 13 also has a function of ventilating warm air remaining in the space below the heat insulating block 2.

Next, a method of installing the solar cell module 1 configured as described above on the installation surface 11 such as a rooftop floor of a concrete building in a flat roof type will be described.

First, a large number of solar cell modules 1 are arranged on the installation surface 11 at equal intervals in the X and Y directions. At this time, a mortar or a mortar is provided on the upper surface of the installation surface 11 corresponding to the interval between the support legs 6 of the heat insulating block 2. By applying the adhesive,
It can be fixed simply by holding the solar cell module 1 and placing it on the installation surface 11. At this time, holding the solar cell module 1 by putting a finger on the notch 7 allows the heat insulating block 2 to abut the adjacent heat insulating block 2. In this case, it is possible to work safely without pinching fingers.

Therefore, the solar cell module 1 is laid on the installation surface 11 in a flat roof type, and an air layer 12 is formed between the installation surface 11 and the solar cell module 1.
2 can be used as a wiring path of the solar cell module 1. That is, a plurality of solar cell modules 1 can be electrically connected by connecting the output extraction lines 8 derived from the respective solar cell modules 1 in series or in parallel in the air layer 12. The aggregate of the solar cell modules 1 can convert solar energy into electricity and supply it as electric power. In addition, since an air layer 12 is formed between the installation surface 11 such as a rooftop floor and the heat insulating block 2, the air layer 12, the heat insulating material 4 and the heat insulating block 2 form a three-layer heat insulating structure. Energy saving, comfortable living environment, and durability of the building can be improved.

Also, after the solar cell module 1 is installed, when removing one solar cell module 1 due to maintenance or inspection of the solar cell module 1 or electric wiring or failure, the user can put his finger on the notch 7 and The module 1 can be lifted, and workability can be improved.

According to the present embodiment, the cutouts 7 are provided on each of the four sides of the heat insulating block 2. However, the cutouts may be provided on at least one side, and the heat insulating block 2 is not limited to a square. It may be rectangular.

[0027]

As described above, according to the present invention, energy saving, a comfortable living environment, and an improvement in the durability of a building can be achieved regardless of the season. further,
When laying a large number of heat insulating blocks on which solar cell panels are mounted, an air layer is formed between the installation surface and the solar cell module, and this air layer can be used as a wiring passage for the solar cell module. In addition, a notch provided in the peripheral portion of the heat insulating block forms an opening that penetrates the back surface of the heat insulating block, and a finger or a jig can be inserted through the opening to lift the heat insulating block. It can be easily performed, and the opening also has a function of ventilating warm air remaining in the space below the heat insulating block.

[Brief description of the drawings]

1A and 1B show a first embodiment of the present invention, wherein FIG. 1A is a longitudinal side view of a solar cell module, and FIG. 1B is a plan view of the solar cell module.

FIG. 2 is a vertical side view of the solar cell module according to the embodiment in a laid state.

FIG. 3 is an exploded perspective view of the solar cell module of the embodiment.

FIG. 4 is an exemplary perspective view showing a state where the solar cell module according to the embodiment is laid;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Solar cell module 2 ... Heat insulation block 3 ... Solar cell panel 4 ... Heat insulation material 5 ... Depressed part 6 ... Support leg 7 ... Notch

Claims (3)

[Claims] 1. A solar cell module comprising: a rectangular heat-insulating block having support legs at least at four corners and a concave portion on an upper surface; and a solar cell panel housed in the concave portion of the heat-insulating block. A solar cell module comprising: a heat insulating material provided on a back surface side of a heat insulating block; and a cutout portion penetrating the rear surface at at least one portion of a peripheral portion of the heat insulating block. 2. The solar cell module according to claim 1, wherein the heat insulating material is formed by extruding an extruded foam material at the same time as the heat insulating block is formed, and is provided integrally with the heat insulating block. 3. The solar cell module according to claim 1, wherein the cutouts are provided on four sides of the heat insulating block.