| 摘要 |
A solar energy collecting system for a building structure having a south facing wall and a roof structure including upper and lower solar panels of rectangular configuration having top, bottom and side edges disposed one over another. The lower of the solar panels are mounted with their bottom edges parallel to the ground line of the south facing wall with the major axes thereof extending east and west and the minor axes positioned at an angle of about 70 DEG to the horizontal. The upper panel is also mounted with the major axis extending in an east and west direction and the minor axis positioned at an angle of about 50 DEG to the horizontal. With this arrangement of the panels, maximum effective winter sunlight reaches the panels as the plane of their collector surface is substantially perpendicular to the line of the sun's rays whereas, in the summer time, the uppermost panel receives much less heat than if it were perpendicular to the sun's rays. The bottom panels act more as an insulator for the wall of the building than a collector, having only a 15 to 90 ratio of effectiveness and the sun's rays, at those seasons when the lower panels are not fully shielded, coming in at a slant and are much more reflective in pattern.
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