Title:
ELEVATOR CONTROL SYSTEM TO PREVENT AUTOMATIC OPERATION DURING MAINTENANCE WORK IN ELEVATOR SHAFT
Document Type and Number:
WIPO Patent Application WO/2020/179011
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an elevator control system to prevent automatic operation during maintenance work in an elevator shaft. A control system (12) comprises a switch unit (15), a sensor, and a control unit (18). The switch unit (15) switches the operation mode of an elevator (1). The elevator (1) operation modes include an automatic operation mode. The sensor acquires elevator shaft (2) information from light inside the elevator shaft (2). The control unit (18) outputs, to the switch unit (15), a control signal to prevent switching to the automatic operation mode on the basis of the elevator shaft (2) information acquired by the sensor.
Inventors:
HIMORI MASAHIRO (JP)
Application Number:
PCT/JP2019/008851
Publication Date:
September 10, 2020
Filing Date:
March 06, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC BUILDING TECHNO SERVICE CO LTD (JP)
International Classes:
B66B5/00
Domestic Patent References:
| WO2018207522A1 | 2018-11-15 | |||
| WO2012105008A1 | 2012-08-09 |
Foreign References:
| JP2005206346A | 2005-08-04 | |||
| JP2017142063A | 2017-08-17 | |||
| JP2012041116A | 2012-03-01 | |||
| JP2018144948A | 2018-09-20 | |||
| JP2006044844A | 2006-02-16 | |||
| JPH1053380A | 1998-02-24 |
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (JP)
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