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Title:
SAFETY DEVICE OF ELEVATOR AND METHOD FOR BRAKING CONTROL USED FOR SAFETY DEVICE OF ELEVATOR
Document Type and Number:
Japanese Patent JP2013023333
Kind Code:
A
Abstract:

To avoid a situation that a stop of a car at a position largely away from a landing zone causes difficulties in rescuing passengers.

This method includes a platform door opening/closing detector 11, a platform door opening/closing detector 12, a speed detection means 14, a position detection means 13, a memory where time series variation amount reference data on a car speed and a car position are memorized beforehand when emergency shutdown control is performed under a door opening state, and a car deceleration comparison determination section 104 that creates time series variation amount data on the car speed and the car position from a point when a door opening state is detected to be collated with the time series variation amount reference data, and detects a deceleration abnormality if the car speed or the car position deviates by a predetermined amount or larger from the reference data when an elevator state is estimated on the basis of respective detection results and a car under a door open state while traveling is detected.


Inventors:
KUBOTA TAKEHIKO
Application Number:
JP2011159490A
Publication Date:
February 04, 2013
Filing Date:
July 21, 2011
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
B66B5/02
Domestic Patent References:
JP2009126705A2009-06-11
JPS59203083A1984-11-17
JPS5637980A1981-04-11
JP2011042480A2011-03-03
JP2009126705A2009-06-11
JPS59203083A1984-11-17
JPS5637980A1981-04-11
JP2011042480A2011-03-03
Foreign References:
WO2009008183A12009-01-15
WO2009008183A12009-01-15
Attorney, Agent or Firm:
Michiharu Soga
Suzuki Kenchi
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida
Satoshi Iino



 
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