| 摘要 |
<p>PURPOSE:To perform the maintenance check with no use of a torch lamp by illuminating the check areas after detecting automatically that a mobile rack is drawn out for maintenance. CONSTITUTION:A mobile rack 4 is usually stored in a housing 1 with a door 2 closed. Under such conditions, a sensor switch 11 is kept cut off and therefore an illumination circuit 15 is turned off. Thus the lamps 13 and 14 are turned off. Then the door 2 is opened to a start position 20 and at the same time the rack is drawn out to a position 40. Thus the switch 11 is turned on to validate the circuit 15. Then both lamps 13 and 14 are turned on to illuminate a fixed rack 3 set in the housing 1 as well as the inside surface of the rack 4. Thus the maintenance check is attained with no use of a torch lamp.</p> |
