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Title:
OPERATION CONTROL SYSTEM OF PASSENGER CONVEYOR AND OPERATION CONTROL METHOD
Document Type and Number:
Japanese Patent JP2013234042
Kind Code:
A
Abstract:

To detect the presence/absence of a region in which a step comes off immediately after imparting a start command to a passenger conveyor, and to secure the safety of a passenger and a worker before reaching rated speed operation.

In an operation control device 100 for an escalator E, a plurality of steps 1 are connected in an endless manner, the presence/absence of an opening caused by the come-off of the step 1 of the escalator E (passenger conveyor) traveling between upper and lower platforms is diagnosed, and the traveling is controlled on the basis of the diagnosis result. The operation control device comprises a start torque calculation part 8 for calculating drive torque at a start of the escalator E, and an opening presence/absence diagnosis part 9 for diagnosing the presence/absence of a step opening from conditions of a value of the drive torque at the start and an operation direction. When it is diagnosed that there is the opening, the present position of the opening is notified by a notification means.


Inventors:
IGARASHI YOSHIHARU
ATSUZAWA TERUYOSHI
SAKATA YOSHIKI
Application Number:
JP2012107745A
Publication Date:
November 21, 2013
Filing Date:
May 09, 2012
Export Citation:
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Assignee:
HITACHI BUILDING SYS CO LTD
International Classes:
B66B29/00
Domestic Patent References:
JP2012524008A2012-10-11
JP2008074527A2008-04-03
JP2001002358A2001-01-09
JP2008001467A2008-01-10
JPS6412076U1989-01-23
JP2013040013A2013-02-28
JP2012524008A2012-10-11
JP2008074527A2008-04-03
JP2001002358A2001-01-09
JP2008001467A2008-01-10
JPS6412076U1989-01-23
JP2013040013A2013-02-28
Attorney, Agent or Firm:
Patent Business Corporation Takewa International Patent Office