05-02-2014 дата публикации
Номер: CN103558680A
Принадлежит:
The invention relates to the field of optical system design, in particular to a leading-in optical device of a copper smelting process emission spectrum analysis system. The leading-in optical device comprises a lens, a plane mirror and a reflector, wherein the lens, the plane mirror and the reflector are arranged in a lens cone, the lens is arranged at the front section position of the lens cone or the middle section position of the lens cone, light rays enter the lens cone from the front end of the lens cone, the plane mirror is arranged at the rear end of the lens cone, the light rays gathered through the lens are reflected by the plane mirror to one side of the lens, the reflector which is arranged adjacent to the side, close to the plane mirror, of the lens or arranged adjacent to the periphery of the lens is used for receiving the light rays reflected by the plane mirror, and a through hole is formed in the position, corresponding to the reflector, of the wall of the lens cone and ...
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