Title:
ELEVATOR DOOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/110176
Kind Code:
A1
Abstract:
Provided is an elevator door control device whereby a door of an elevator can be safely closed during a power failure, and it is possible to prevent placing an excess burden on rescue workers. An elevator door control device pertaining to the present invention is provided with a door dynamic braking control circuit (15) for performing dynamic braking control of a door motor (2) until door closing is detected after the occurrence of a power failure in a state in which the elevator door is in an intermediate position, and discontinuing dynamic braking control when door closing is detected.
Inventors:
HARADA TOHRU (JP)
Application Number:
PCT/JP2018/043424
Publication Date:
June 04, 2020
Filing Date:
November 26, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B13/14
Foreign References:
| JP2003261281A | 2003-09-16 | |||
| JPH03106788A | 1991-05-07 | |||
| JP2012076862A | 2012-04-19 | |||
| JPH04161095A | 1992-06-04 | |||
| JPH10167638A | 1998-06-23 | |||
| JPS61188385A | 1986-08-22 | |||
| JP2015532909A | 2015-11-16 |
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (JP)
Download PDF:
Previous Patent: LEAD STORAGE BATTERY
Next Patent: LASER SYSTEM AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE
Next Patent: LASER SYSTEM AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE