ARTIFICIAL SUN OF ARTIFICIAL SKY DEVICE

摘要

PROBLEM TO BE SOLVED: To allow an artificial sun device of an artificial sky device to be easily replaced by an artificial sun device with an artificial sun with various kinds of light sources when replaced. ;SOLUTION: Relating to an artificial sun device A moving vertically while drawing circular arc tracks along an dome inner wall part of an artificial sky device, an artificial sun device is made attachable to/ detachable from an artificial sun mounting fixture 5 by composing an artificial sun device A of a circular arc reflecting mirror 1 and a source of light 2 arranged at a focal position of the reflection mirror 1, projecting a fitting projection 3 on the back of the reflecting mirror 1, engaging the fitting projection 3 with a fitted part 4 provided on the artificial sun mounting fixture 5, and inserting a stopper pin 6 therein.;COPYRIGHT: (C)1998,JPO