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Title:
PASSENGER CONVEYOR
Document Type and Number:
Japanese Patent JP2018154427
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a passenger conveyor capable of ensuring a deceleration stop using recovery power by securing a power supply for a control device during a blackout.SOLUTION: The passenger conveyor is provided with: a main circuit unit 7 that includes an inverter unit 11 and an inverter control unit 12 for controlling the inverter unit; a motor 13 that is driven by the inverter unit; a brake device 15 that brakes the motor; and a control circuit unit 8 that controls at least the brake device. The passenger conveyor is operated by the motor, and is stopped at prescribed deceleration during a stop. The motor is provided with a power storage device 4 that is decelerated by recovery power generated from the motor, a power supply for the inverter control unit being supplied by the recovery power during the blackout, and supplies power to the control circuit unit by power stored in a capacitor during the blackout.SELECTED DRAWING: Figure 2

Inventors:
KANAYAMA SHOHEI
SAKAGAMI MITSURU
KUWAMURA HIDEKI
Application Number:
JP2017050964A
Publication Date:
October 04, 2018
Filing Date:
March 16, 2017
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
H02P3/16; B66B29/00
Domestic Patent References:
JP2005219914A2005-08-18
JP2006151545A2006-06-15
JP2016171699A2016-09-23
JPS485433Y11973-02-10
JP2006036397A2006-02-09
JPS5574780U1980-05-23
JPH0432490A1992-02-04
Attorney, Agent or Firm:
Polaire Patent Business Corporation