| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To efficiently supply power to a motor incorporated in a door panel without contact, and to open and close a door using power at the time. <P>SOLUTION: In an elevator door system in which a motor 26 is incorporated in a door panel 21a provided on a car 11 and a door panel 21a is opened and closed by the driving power of the motor 26, the car 11 is provided with a power feeder 40 and a first controller 20, and the door panel 21a is provided with a power receiver 41, a battery 31, an inverter device 32, and a second controller 22. In this case, the first controller 20 estimates the power required for opening and closing the door panel 21a before the car 11 lands on a target floor, and drives the power feeder 40 so as to feed the estimated power to the door panel 21a. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
