| 摘要 |
<P>PROBLEM TO BE SOLVED: To detect a person and an object within a door running range of an auto door, and to change an opening and closing speed of the auto door. <P>SOLUTION: This auto door device includes a door 3 openable and closable by an opening and closing driving part 5, a detecting part 8 for detecting a moving body intruding into a prescribed area in the vicinity of the door 3, a control part 9 for opening-and-closing-controlling the opening and closing driving part 5, based on a signal from the detecting part 8, a multi-optical axis photoelectric sensor 10 arranged with a plurality of optical axes in a prescribed area 13 in the vicinity of a range opened and closed with the door 3, and for detecting the moving body in response to a light shielding state of the optical axes, and a speed switching means 12 for switching the opening and closing speed of the opening and closing driving part 5, based on a signal from the multi-optical axis photoelectric sensor 10. <P>COPYRIGHT: (C)2011,JPO&INPIT |
