Title:
MONITOR DEVICE TO PREVENT ELEVATOR PASSENGER ENTRAPMENT
Document Type and Number:
WIPO Patent Application WO/2020/115883
Kind Code:
A1
Abstract:
Provided is an elevator monitor device that can prevent passengers from being trapped inside a car when an electronic governor switch is temporarily activated due to a foreign body. The elevator monitor device comprises: an elevator operation monitor unit that stores information on speed command values for an elevator car and information on output values from at least one of a hoisting machine encoder and a governor encoder; and an entrapment prevention operation command unit that determines, at the time the elevator governor electronic switch activates, whether to implement an entrapment prevention operation to rescue passengers trapped inside the car on the basis of the information stored in the elevator operation monitor unit.
Inventors:
SHIGA SATOSHI (JP)
MATSUEDA YUTAKA (JP)
HIKICHI MASAKI (JP)
MATSUEDA YUTAKA (JP)
HIKICHI MASAKI (JP)
Application Number:
PCT/JP2018/044995
Publication Date:
June 11, 2020
Filing Date:
December 06, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC BUILDING TECHNO SERVICE CO LTD (JP)
International Classes:
B66B5/02; B66B5/04
Domestic Patent References:
| WO2018016061A1 | 2018-01-25 |
Foreign References:
| JP2014237536A | 2014-12-18 | |||
| JPH05155553A | 1993-06-22 | |||
| JP2006044930A | 2006-02-16 | |||
| JP2005343696A | 2005-12-15 | |||
| JP2007276986A | 2007-10-25 |
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (JP)
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