EP4047445A4 - Safety loop voltage regulating circuit - Google Patents

Safety loop voltage regulating circuit Download PDF

Info

Publication number
EP4047445A4
EP4047445A4 EP21879183.8A EP21879183A EP4047445A4 EP 4047445 A4 EP4047445 A4 EP 4047445A4 EP 21879183 A EP21879183 A EP 21879183A EP 4047445 A4 EP4047445 A4 EP 4047445A4
Authority
EP
European Patent Office
Prior art keywords
regulating circuit
voltage regulating
loop voltage
safety loop
safety
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.)
Pending
Application number
EP21879183.8A
Other languages
German (de)
French (fr)
Other versions
EP4047445A1 (en
Inventor
Xuefeng LI
Liwei Jin
Jianxin Qian
Huan HAO
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.)
Suzhou Inovance Technology Co Ltd
Original Assignee
Suzhou Inovance Technology Co 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
Application filed by Suzhou Inovance Technology Co Ltd filed Critical Suzhou Inovance Technology Co Ltd
Publication of EP4047445A1 publication Critical patent/EP4047445A1/en
Publication of EP4047445A4 publication Critical patent/EP4047445A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/22—Operation of door or gate contacts
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Elevator Control (AREA)
EP21879183.8A 2020-10-16 2021-09-13 Safety loop voltage regulating circuit Pending EP4047445A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011108566.8A CN112327984B (en) 2020-10-16 2020-10-16 Safety loop voltage regulating circuit
PCT/CN2021/117897 WO2022078137A1 (en) 2020-10-16 2021-09-13 Safety loop voltage regulating circuit

Publications (2)

Publication Number Publication Date
EP4047445A1 EP4047445A1 (en) 2022-08-24
EP4047445A4 true EP4047445A4 (en) 2023-11-22

Family

ID=74313921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21879183.8A Pending EP4047445A4 (en) 2020-10-16 2021-09-13 Safety loop voltage regulating circuit

Country Status (3)

Country Link
EP (1) EP4047445A4 (en)
CN (1) CN112327984B (en)
WO (1) WO2022078137A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112327984B (en) * 2020-10-16 2022-04-19 苏州汇川技术有限公司 Safety loop voltage regulating circuit
CN217417797U (en) * 2022-03-14 2022-09-13 菱王电梯有限公司 Elevator power control device and elevator system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6446760B1 (en) * 1999-10-08 2002-09-10 Inventio Ag Safety circuit for an elevator installation
JP2011063431A (en) * 2009-09-18 2011-03-31 Toshiba Elevator Co Ltd Safety circuit for elevator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343303A1 (en) * 1983-11-30 1985-08-08 Thyssen-M.A.N. Aufzüge GmbH, 7303 Neuhausen MONITORING CIRCUIT FOR THE SAFETY CONTACTS OF ELEVATOR
JP2002209397A (en) * 2001-01-12 2002-07-26 Yaskawa Electric Corp Method of discrimination between full-closed loop and semi-closed loop
CA2775635C (en) * 2009-10-26 2017-09-12 Inventio Ag Safety circuit in an elevator system
JP2011195205A (en) * 2010-03-17 2011-10-06 Toshiba Elevator Co Ltd Safety circuit for elevator
IL216841A0 (en) * 2011-12-08 2012-02-29 Yoram Madar Elevator protection against short circuit of safety devices
FI123507B (en) * 2012-08-07 2013-06-14 Kone Corp Safety circuit and lift system
CN103198977B (en) * 2013-03-29 2016-05-25 深圳市汇川技术股份有限公司 Contactor coil power supply circuits
CN105322854A (en) * 2015-07-30 2016-02-10 西子奥的斯电梯有限公司 Automatic regulation system and method for elevator transformer voltage
CN112327984B (en) * 2020-10-16 2022-04-19 苏州汇川技术有限公司 Safety loop voltage regulating circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6446760B1 (en) * 1999-10-08 2002-09-10 Inventio Ag Safety circuit for an elevator installation
JP2011063431A (en) * 2009-09-18 2011-03-31 Toshiba Elevator Co Ltd Safety circuit for elevator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022078137A1 *

Also Published As

Publication number Publication date
CN112327984B (en) 2022-04-19
EP4047445A1 (en) 2022-08-24
WO2022078137A1 (en) 2022-04-21
CN112327984A (en) 2021-02-05

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