Optical radiation sensor system with cleaning device

A - Human Necessities – 61 – L

Patent

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Details

A61L 2/28 (2006.01) A61L 2/10 (2006.01) C02F 1/32 (2006.01) G01J 1/04 (2006.01) G01N 21/15 (2006.01) G01N 21/33 (2006.01)

Patent

CA 2386220

There is disclosed an optical radiation sensor system. The system includes a sensor device (140) and a cleaning device (115). The sensor device detects and responds to radiation from a radiation field (170) and includes a surface (155) that is movable with respect to the radiation field between a first position in which the surface is in the radiation field and a second position in which at least a portion of the surface is out of the radiation field. The cleaning device operates to remove fouling materials from at least a portion of the surface in the second position. The cleaning device may be a chemical cleaning device, a mechanical cleaning device or a combined chemical/mechanical device.

L'invention concerne un système de détection de rayonnement optique. Ce système comprend un dispositif de détection (140) ainsi qu'un dispositif de nettoyage (115). Le dispositif de détection détecte un rayonnement provenant d'un champ de rayonnement (170) et répond à ce rayonnement. Il comprend une surface (155) pouvant se déplacer par rapport au champ de rayonnement entre une première position, dans laquelle la surface se trouve à l'intérieur du champ de rayonnement, et une seconde position, dans laquelle une partie au moins de la surface se trouve à l'extérieur du champ de rayonnement. Le dispositif de nettoyage permet d'éliminer les salissures d'une partie au moins de cette surface lorsque celle-ci se trouve dans la seconde position. Il peut se présenter sous la forme d'un dispositif de nettoyage chimique, d'un dispositif de nettoyage mécanique ou d'un dispositif de nettoyage chimico-mécanique.

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