| 摘要 |
PROBLEM TO BE SOLVED: To provide a shading louver having a function of the shading louver and a function as a solar water heater, capable of shading direct sunlight in a hot summer season, making the direct sunlight pass through to perform lighting in a cold winter season, and collecting heat of the sunlight incident upon many louvers with a collector of the solar water heater.SOLUTION: A shading louver 1 installed at the front of a window 5 installed to an exterior wall surface 3 of a building 2 so as to shade the direct sunlight at a high angle in a summer season and to make the direct sunlight of a low angle pass through in a winter season is attached to a pair of columns 6 attached to the building 2. The shading louver 1 comprises: many louvers 7 attached to the pair of columns 6 and arranged at a prescribed interval; and a collector 9 of a solar water heater 8 formed integrally with many louvers 7 or attached so as to transfer the heat of many louvers 7, for collecting the heat of the sunlight incident upon many louvers 7. |
