EP2527281A3 - Elevator - Google Patents

Elevator Download PDF

Info

Publication number
EP2527281A3
EP2527281A3 EP12169035.8A EP12169035A EP2527281A3 EP 2527281 A3 EP2527281 A3 EP 2527281A3 EP 12169035 A EP12169035 A EP 12169035A EP 2527281 A3 EP2527281 A3 EP 2527281A3
Authority
EP
European Patent Office
Prior art keywords
encoder
car
calculated
acceleration sensor
arithmetic device
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
EP12169035.8A
Other languages
German (de)
French (fr)
Other versions
EP2527281A2 (en
EP2527281B1 (en
Inventor
Kohei Sakurai
Masahiro Matsubara
Toshifumi Yoshikawa
Shinsuke Inoue
Takashi Matsudo
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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=46148675&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2527281(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP2527281A2 publication Critical patent/EP2527281A2/en
Publication of EP2527281A3 publication Critical patent/EP2527281A3/en
Application granted granted Critical
Publication of EP2527281B1 publication Critical patent/EP2527281B1/en
Revoked 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
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
    • 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
    • B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

An elevator includes an arithmetic device (32, 37) that incorporates a comparing unit (46) for comparing a car speed V1 calculated by using an encoder signal (28) from an encoder (21) with a car speed V2 calculated by using an acceleration sensor signal (31) from an acceleration sensor (24) installed on a car (1) to detect a failure of the encoder (21) by determining whether a difference between the car speeds V1 and V2 is present in a predetermined range, thereby, a failure diagnosis in the arithmetic device is carried out in low cost and high reliability.
EP12169035.8A 2011-05-25 2012-05-23 Elevator Revoked EP2527281B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011117093A JP5529075B2 (en) 2011-05-25 2011-05-25 elevator

Publications (3)

Publication Number Publication Date
EP2527281A2 EP2527281A2 (en) 2012-11-28
EP2527281A3 true EP2527281A3 (en) 2013-10-30
EP2527281B1 EP2527281B1 (en) 2015-03-18

Family

ID=46148675

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12169035.8A Revoked EP2527281B1 (en) 2011-05-25 2012-05-23 Elevator

Country Status (3)

Country Link
EP (1) EP2527281B1 (en)
JP (1) JP5529075B2 (en)
CN (1) CN102795521B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104111660B (en) * 2013-04-16 2017-09-29 中国国际海运集装箱(集团)股份有限公司 Snowslinger and snowslinger round brush apparatus for controlling of lifting and method
JP6199233B2 (en) * 2014-04-25 2017-09-20 株式会社日立ビルシステム Elevator accelerometer diagnostic equipment
CN104590965B (en) * 2015-01-14 2017-04-12 深圳市正弦电气股份有限公司 Method and device for detecting abnormal operation of elevator
CN105270955B (en) * 2015-10-13 2019-03-15 杭州优迈科技有限公司 A kind of the elevator terminal forced reduction apparatus and fault detection method of self diagnosis
CN105129560A (en) * 2015-10-15 2015-12-09 上海斐讯数据通信技术有限公司 Safety monitoring method and monitoring system for elevator, and mobile terminal
US11279592B2 (en) * 2016-05-17 2022-03-22 Mitsubishi Electric Corporation Elevator system
US11548758B2 (en) 2017-06-30 2023-01-10 Otis Elevator Company Health monitoring systems and methods for elevator systems
EP3527522B1 (en) 2018-02-15 2021-06-02 KONE Corporation A method for preventive maintenance of an elevator and an elevator system
JP7140634B2 (en) * 2018-10-30 2022-09-21 株式会社日立製作所 elevator control system
US11292693B2 (en) * 2019-02-07 2022-04-05 Otis Elevator Company Elevator system control based on building sway
JP7063410B1 (en) 2021-08-30 2022-05-09 フジテック株式会社 lift device
WO2023222422A1 (en) * 2022-05-16 2023-11-23 Inventio Ag Method of monitoring an elevator car in an elevator shaft and safety system for monitoring an elevator car in an elevator shaft

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050269163A1 (en) * 2004-06-02 2005-12-08 Inventio Ag Elevator supervision
WO2009013114A1 (en) * 2007-07-20 2009-01-29 Inventio Ag Method for ascertaining the speed of a lift cabin and a control unit for implementing this method
US20100308762A1 (en) * 2008-02-12 2010-12-09 Kone Corporation Safety arrangement of a transport system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI76768C (en) 1987-05-27 1988-12-12 Kone Oy FOERFARANDE FOER BESTAEMNING AV EN HISS 'POSITION SAMT EN PULSVAONINGSRAEKNARE.
JPH08282937A (en) * 1995-04-18 1996-10-29 Hitachi Building Syst Eng & Service Co Ltd Running characteristic inspection device for elevator
WO2004076326A1 (en) 2003-02-25 2004-09-10 Mitsubishi Denki Kabushiki Kaisha Governor for elevator
JP4475593B2 (en) 2003-11-19 2010-06-09 三菱電機株式会社 Elevator control device
JP4403981B2 (en) * 2005-02-14 2010-01-27 株式会社日立製作所 Passenger conveyor safety device
FI118532B (en) 2005-08-19 2007-12-14 Kone Corp Positioning method in elevator system
US7918320B2 (en) * 2005-11-25 2011-04-05 Mitsubishi Electric Corporation Emergency stop system for elevator
JP4924191B2 (en) * 2007-05-09 2012-04-25 株式会社日立製作所 Elevator
JP4812037B2 (en) * 2007-07-23 2011-11-09 株式会社日立製作所 Elevator car speed detector and elevator safety device
US20120181118A1 (en) 2009-09-22 2012-07-19 Jae Boo Choi Device for displaying floor information of operating elevator using acceleration sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050269163A1 (en) * 2004-06-02 2005-12-08 Inventio Ag Elevator supervision
WO2009013114A1 (en) * 2007-07-20 2009-01-29 Inventio Ag Method for ascertaining the speed of a lift cabin and a control unit for implementing this method
US20100308762A1 (en) * 2008-02-12 2010-12-09 Kone Corporation Safety arrangement of a transport system

Also Published As

Publication number Publication date
CN102795521B (en) 2015-07-22
EP2527281A2 (en) 2012-11-28
EP2527281B1 (en) 2015-03-18
JP2012246073A (en) 2012-12-13
CN102795521A (en) 2012-11-28
JP5529075B2 (en) 2014-06-25

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