| 摘要 |
A solar ray collecting device is comprised of a supporting base plate on which a large number of hexagonal recesses are provided and a large number of optical systems are arranged on each of said recesses. Each of said optical systems is made up of a hexagonal focusing lens of a dimension that is approximately the same as the hexagonal recesses and of a head-cut hexagonal pyramid which extends downward from the light collecting lens as an upper surface of said recess. An optical conductor which is a light-receiving surface is provided on the focus of said light collecting lens. Furthermore, the upper internal circumferential surface of the side wall forming said recess is so formed that it may be able to move freely on the surface of said hexagonal pyramid. |
