| 摘要 |
PROBLEM TO BE SOLVED: To provide a sunlight incidence structure that simplifies components for reducing variations in illumination intensity of sunlight depending on a time zone during daytime, reduces production costs, and facilitates installation work and management of a light incidence adjustment member.SOLUTION: In a sunlight incidence structure, a plurality of west-side fins 2a and east-side fins 2b formed into a mirrored surface and a uniform shape are respectively arranged in an east site and a west site of a light collection part 1a, each of which is extended in the south-north direction and which has an overall positional mode that extends in the east-west linear direction in a plan view. The east-side fins 2b of the east site are inclined upward toward the east, and are arranged in a manner that the nearer to a site boundary, the higher an upper end edge portion 2c thereof is positioned. The west-side fins 2a of the west site are inclined upward toward the west, and are arranged in a manner that the nearer to the site boundary, the higher the upper end edge portion 2c thereof is positioned. The sunlight reflected on the upper surface of each of the fins 2a, 2b is reflected again on the lower surface of the other neighboring upper fin to incident into the light collection part 1a.SELECTED DRAWING: Figure 4 |
