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EP2147883A4 - Elevator apparatus - Google Patents

Elevator apparatus

Info

Publication number
EP2147883A4
EP2147883A4 EP07744009.7A EP07744009A EP2147883A4 EP 2147883 A4 EP2147883 A4 EP 2147883A4 EP 07744009 A EP07744009 A EP 07744009A EP 2147883 A4 EP2147883 A4 EP 2147883A4
Authority
EP
European Patent Office
Prior art keywords
brake control
calculation
threshold value
brake
calculation portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07744009.7A
Other languages
German (de)
French (fr)
Other versions
EP2147883A1 (en
EP2147883B1 (en
Inventor
Takaharu Ueda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40031517&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2147883(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2147883A1 publication Critical patent/EP2147883A1/en
Publication of EP2147883A4 publication Critical patent/EP2147883A4/en
Application granted granted Critical
Publication of EP2147883B1 publication Critical patent/EP2147883B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/32—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices, e.g. acting on electrically controlled brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)

Abstract

In an elevator apparatus, a brake control device comprises: a first brake control portion for operating a brake device upon detection of an abnormality to stop a car as an emergency measure; and a second brake control portion for reducing a braking force of the brake device when a deceleration of the car becomes equal to or higher than a threshold value at a time of an emergency braking operation of the first brake control portion. The second brake control portion includes a first calculation portion and a second calculation portion, each independently executing an operation of reducing the braking force of the brake device by calculation processing. The threshold value is set in the first calculation portion to vary according to a car position, and the threshold value is set in the second calculation portion as in a case of the first calculation portion.
EP07744009.7A 2007-05-24 2007-05-24 Elevator apparatus Active EP2147883B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/060575 WO2008142790A1 (en) 2007-05-24 2007-05-24 Elevator apparatus

Publications (3)

Publication Number Publication Date
EP2147883A1 EP2147883A1 (en) 2010-01-27
EP2147883A4 true EP2147883A4 (en) 2013-12-18
EP2147883B1 EP2147883B1 (en) 2017-11-29

Family

ID=40031517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07744009.7A Active EP2147883B1 (en) 2007-05-24 2007-05-24 Elevator apparatus

Country Status (5)

Country Link
EP (1) EP2147883B1 (en)
JP (1) JP5111502B2 (en)
KR (1) KR101121343B1 (en)
CN (1) CN101663218B (en)
WO (1) WO2008142790A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101233558B1 (en) 2008-12-05 2013-02-14 미쓰비시덴키 가부시키가이샤 Elevator device
JPWO2010125689A1 (en) * 2009-05-01 2012-10-25 三菱電機株式会社 Elevator equipment
WO2012105986A1 (en) 2011-02-04 2012-08-09 Otis Elevator Company Stop sequencing for braking device
US9385637B2 (en) * 2014-05-21 2016-07-05 Hamilton Sundstrand Corporation Brake controller
CN104044964A (en) * 2014-07-02 2014-09-17 吴优良 Intelligent elevator device
CN107000974B (en) * 2014-11-27 2019-05-07 三菱电机株式会社 The position detecting device of elevator
EP3705440B1 (en) * 2019-03-04 2024-01-17 KONE Corporation A method for testing an elevator machinery brake
US11415191B2 (en) * 2019-10-04 2022-08-16 Otis Elevator Company System and method configured to identify conditions indicative of electromagnetic brake temperature

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07206288A (en) * 1994-01-14 1995-08-08 Toshiba Corp Elevator
JPH0840662A (en) * 1994-07-28 1996-02-13 Hitachi Ltd Elevator device
WO2006106575A1 (en) * 2005-03-31 2006-10-12 Mitsubishi Denki Kabushiki Kaisha Elevator apparatus
EP1990305A1 (en) * 2006-03-02 2008-11-12 Mitsubishi Electric Corporation Elevator device
EP2048104A1 (en) * 2006-07-27 2009-04-15 Mitsubishi Electric Corporation Elevator device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07157211A (en) 1993-12-03 1995-06-20 Mitsubishi Electric Corp Brake device for elevator
JP2001233553A (en) 2000-02-24 2001-08-28 Toshiba Corp Control device for double deck elevator
JP4689337B2 (en) 2005-04-26 2011-05-25 三菱電機株式会社 Elevator equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07206288A (en) * 1994-01-14 1995-08-08 Toshiba Corp Elevator
JPH0840662A (en) * 1994-07-28 1996-02-13 Hitachi Ltd Elevator device
WO2006106575A1 (en) * 2005-03-31 2006-10-12 Mitsubishi Denki Kabushiki Kaisha Elevator apparatus
EP1864935A1 (en) * 2005-03-31 2007-12-12 Mitsubishi Denki Kabushiki Kaisha Elevator apparatus
EP1990305A1 (en) * 2006-03-02 2008-11-12 Mitsubishi Electric Corporation Elevator device
EP2048104A1 (en) * 2006-07-27 2009-04-15 Mitsubishi Electric Corporation Elevator device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008142790A1 *

Also Published As

Publication number Publication date
CN101663218B (en) 2013-03-20
CN101663218A (en) 2010-03-03
EP2147883A1 (en) 2010-01-27
WO2008142790A1 (en) 2008-11-27
JPWO2008142790A1 (en) 2010-08-05
KR101121343B1 (en) 2012-03-09
EP2147883B1 (en) 2017-11-29
JP5111502B2 (en) 2013-01-09
KR20100004999A (en) 2010-01-13

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