DOOR CONTROL SYSTEM FOR ELEVATOR

WIPO Patent Application WO/2012/093441

A1

Provided is a door control system for an elevator comprising: a car door configured to open/close the doorway of the elevator car; elevator hall doors configured to open/close the elevator hall doorways of each floor; a motor configured to drive open/close operation of the car door; an engaging device provided between the car door and the elevator hall doors in order to allow an open/close operation of the elevator hall doors in conjunction with the open/close operation of the car door driven by the motor. In order to promptly detect engagement of the elevator car door and any of the elevator hall doors so as to speed up the open/close operation, this door control system for the elevator comprises: a means configured to previously calculate an area before and after engagement of the car door and the elevator hall door using the output of a rotation detecting means configured to detect rotation of the motor and output of a torque detecting means configured to detect the torque of the motor; a memory means configured to store the result of the calculation; and a means configured to detect engagement of the car door and the elevator hall door using the output of the rotation detecting means and the output of the torque detecting means upon actual open/close operation of the doors and the result of the calculation stored in the memory means.

KAKIO MASAYUKI (JP)
UTSUNOMIYA KENJI (JP)

PCT/JP2011/006927

July 12, 2012

December 12, 2011

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MITSUBISHI ELECTRIC CORP (JP)
KAKIO MASAYUKI (JP)
UTSUNOMIYA KENJI (JP)

B66B13/12; B66B13/14

JP2009214952A	2009-09-24
JP2009001430A	2009-01-08

TAKAHASHI, Shogo et al. (JP)
Shogo Takahashi (JP)

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