Solar power generation system

Abstract

To provide a photovoltaic power generation system allowing a flexible solar cell module to obtain a predetermined power generation quantity regardless of a surface shape of a roof or an external wall such as having an uneven surface.SOLUTION: A photovoltaic power generation system 100 is used by being attached to a roof 20 of a structure, and comprises: a flexible solar cell module 30 having flexibility; a support part 40 having a support surface 41 supporting the flexible solar cell module 30 so that the flexible solar cell module 30 is maintained in a predetermined shape; and fixing means 60 for fixing the support part 40 to the roof 20.SELECTED DRAWING: Figure 1

Claims

1. A solar power generation system that is installed on the roof or exterior wall of a structure, Flexible solar cell module having flexibility, A support portion having a support surface that supports the flexible solar cell module so that the flexible solar cell module is maintained in a predetermined shape, The support portion is provided with fixing means for fixing it to the roof or exterior wall, The roof or exterior wall has a surface with irregularities formed by arranging multiple grooves extending in one direction in a width direction perpendicular to the one direction, and the surface with irregularities has multiple top surfaces that connect adjacent grooves among the multiple grooves. The support portion has a gap-filling portion which is arranged in at least one of the plurality of grooves and on which the support surface is formed, The gap-filling portion includes a first gap-filling member that closes the groove at a position corresponding to one end of the flexible solar cell module in one direction, and a second gap-filling member that is spaced apart from the first gap-filling member and closes the groove at a position corresponding to the other end of the flexible solar cell module in one direction. The photovoltaic power generation system further comprises a support member that is arranged to abut the top surface and supports the flexible solar cell module at a position spaced apart from the first and second gap-filling members in the unidirectional space between the first and second gap-filling members.

2. The flexible solar cell module is arranged to cover the plurality of grooves, The photovoltaic power generation system according to claim 1, wherein the gap-filling portion is arranged in each of the plurality of grooves covered by the flexible solar cell module.

3. A solar power generation system for use attached to the roof or exterior wall of a structure, Flexible solar cell module having flexibility, A support portion having a support surface that supports the flexible solar cell module so that the flexible solar cell module is maintained in a predetermined shape, The support portion is provided with fixing means for fixing it to the roof or exterior wall, The roof or exterior wall has an uneven surface formed by arranging multiple grooves extending in one direction in a width direction perpendicular to the one direction, and the uneven surface has multiple top surfaces that connect adjacent grooves among the multiple grooves. The support portion is positioned in at least one of the plurality of grooves and has a gap-filling portion on which the support surface is formed. The aforementioned gap-filling portion closes the groove at positions corresponding to both ends of the flexible solar cell module in the aforementioned one direction. The gap-filling portion has an upper surface formed to be flush with the top surfaces on both sides of the groove in which the gap-filling portion is located. A solar power generation system in which the support surface is formed on the upper surface of the gap-filling portion.

4. The support portion is located on the top surface on both sides of the groove and has connecting portions that connect the plurality of gap-filling portions, The photovoltaic power generation system according to claim 2, wherein the support surface is formed over the plurality of interlocking portions and the connecting portion.

5. The support portion has a spacer member connected to the first gap-filling member and the second gap-filling member, The first gap-filling member has a first portion of the support surface formed thereon. The second gap-filling member has a second portion of the support surface formed thereon. The spacer member has a third portion formed on the support surface, The photovoltaic power generation system according to claim 4, wherein the outer periphery of the flexible solar cell module is supported by the first portion, the second portion, and the third portion.

6. The support portion is positioned on the roof or exterior wall at a location that slopes downward in one of the directions. The solar power generation system according to any one of claims 1, 2, 4, and 5, wherein the gap is provided with a drainage channel for allowing rainwater to pass through.

7. A solar power generation system for use attached to the roof or exterior wall of a structure, Flexible solar cell module having flexibility, A support portion having a support surface that supports the flexible solar cell module so that the flexible solar cell module is maintained in a predetermined shape, The support portion is provided with fixing means for fixing it to the roof or exterior wall, The roof or exterior wall has a surface with irregularities formed by arranging multiple grooves extending in one direction in a width direction perpendicular to the one direction, and the surface with irregularities has multiple top surfaces that connect adjacent grooves among the multiple grooves. The support portion is positioned in at least one of the plurality of grooves and has a gap-filling portion on which the support surface is formed. The aforementioned gap-filling portion closes the groove at positions corresponding to both ends of the flexible solar cell module in the aforementioned one direction. The flexible solar cell module is arranged to cover the plurality of grooves, The gap-filling portion is arranged in each of the multiple grooves covered by the flexible solar cell module. The support portion is located on the top surfaces on both sides of the groove and has connecting portions that connect the plurality of gap-filling portions. The support surface is formed across the plurality of interlocking portions and the connecting portion, The support portion is positioned on the roof or exterior wall at a location that slopes downward in one of the directions. The aforementioned gap-filling section is provided with a drainage channel for rainwater to pass through. A solar power generation system in which a wind volume suppression unit is provided that allows rainwater to pass through the drainage channel while suppressing the inflow of wind into the drainage channel.

8. The support portion is positioned on the roof or exterior wall at a location that slopes downward in one of the directions. The solar power generation system according to claim 1 or claim 3, wherein the gap is provided with a drainage channel for allowing rainwater to pass through.

9. The photovoltaic power generation system according to claim 8, further comprising an airflow suppression unit that allows rainwater to pass through the drainage channel while suppressing the inflow of wind into the drainage channel.

10. The photovoltaic power generation system according to claim 1, wherein the support portion is formed of a plate-shaped steel material having one surface that serves as the support surface.

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