ES432410A1 - Elevator system - Google Patents

Elevator system

Info

Publication number
ES432410A1
ES432410A1 ES432410A ES432410A ES432410A1 ES 432410 A1 ES432410 A1 ES 432410A1 ES 432410 A ES432410 A ES 432410A ES 432410 A ES432410 A ES 432410A ES 432410 A1 ES432410 A1 ES 432410A1
Authority
ES
Spain
Prior art keywords
elevator car
elevator
voltage
control circuitry
magnitude
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.)
Expired
Application number
ES432410A
Other languages
Spanish (es)
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.)
CBS Corp
Original Assignee
Westinghouse 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
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ES432410A1 publication Critical patent/ES432410A1/en
Expired legal-status Critical Current

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
    • B66B1/30—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
    • 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
    • B66B1/285—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical with the use of a speed pattern generator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Control (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

An elevator system having speed control apparatus providing first, second and third acceleration modes which provide progressively higher maximum speeds for an elevator car. Control circuitry associated with each landing to be served by the elevator car is successively enabled in response to the location and movement of the elevator car, with the number of floors from the last stop of the elevator car to the floor of the next stop being used to select one of the three acceleration modes. Protective apparatus responsive to the voltage across the armature circuit of the elevator drive motor is also provided which stops the elevator car when the rate of change of this voltage exceeds a predetermined magnitude, or the magnitude and polarity of the voltage indicates the elevator car is traveling at or above a predetermined speed in a direction opposite to the travel direction selected by the control circuitry.
ES432410A 1973-11-28 1974-11-28 Elevator system Expired ES432410A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US419759A US3902572A (en) 1973-11-28 1973-11-28 Elevator system

Publications (1)

Publication Number Publication Date
ES432410A1 true ES432410A1 (en) 1976-11-16

Family

ID=23663636

Family Applications (1)

Application Number Title Priority Date Filing Date
ES432410A Expired ES432410A1 (en) 1973-11-28 1974-11-28 Elevator system

Country Status (7)

Country Link
US (1) US3902572A (en)
JP (1) JPS586670B2 (en)
BE (1) BE822680A (en)
CA (1) CA1010586A (en)
DE (1) DE2456146A1 (en)
ES (1) ES432410A1 (en)
GB (1) GB1485660A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042068A (en) * 1975-06-25 1977-08-16 Westinghouse Electric Corporation Elevator system
US4116306A (en) * 1977-04-29 1978-09-26 Elevator Industries Elevator car generator-motor-brake control unit apparatus and method
IT1146148B (en) * 1979-11-19 1986-11-12 Mitsubishi Electric Corp LIFT CONTROL DEVICE
US4308936A (en) * 1980-02-19 1982-01-05 Westinghouse Electric Corp. Elevator system
CH652995A5 (en) * 1980-04-21 1985-12-13 Inventio Ag LIFT DRIVE WITH START-UP CONTROL.
US4457404A (en) * 1982-05-26 1984-07-03 Westinghouse Electric Corp. Elevator system
DK0594906T3 (en) * 1992-10-28 1997-04-01 Yang Tai Her Control circuit for universal (or compound) motors of the universal type
US7377363B2 (en) * 2003-02-24 2008-05-27 Otis Elevator Company Elevator with variable drag for car and counterweight
DE102004009250A1 (en) * 2004-02-20 2005-09-08 K.A. Schmersal Holding Kg Safety monitoring device for an elevator traveling in a shaft using a drive, comprises microprocessors for determining the speed of an elevator cabin and comparing with a predetermined movement profile
FI20105587A0 (en) * 2010-05-25 2010-05-25 Kone Corp A method for limiting the load on an elevator assembly and an elevator assembly
JP5932577B2 (en) * 2012-09-06 2016-06-08 株式会社日立製作所 Elevator safety system
US20170210596A1 (en) * 2014-01-27 2017-07-27 Otis Elevator Company Charge algorithm for battery propelled elevator
CN109592531B (en) * 2018-11-29 2023-09-01 广州广日电梯工业有限公司 Speed limiter device with automatic return function
CN110422713A (en) * 2019-09-05 2019-11-08 苏州莱茵电梯股份有限公司 A kind of elevator subtracts stroke function safety circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE758837A (en) * 1969-11-18 1971-05-12 Inventio Ag METHOD OF CONTROL OF A CIRCULATING ELEVATOR AT MEDIUM OR HIGH SPEED AND CONTROL EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCESS

Also Published As

Publication number Publication date
JPS586670B2 (en) 1983-02-05
GB1485660A (en) 1977-09-14
US3902572A (en) 1975-09-02
BE822680A (en) 1975-05-27
AU7577674A (en) 1976-05-27
CA1010586A (en) 1977-05-17
DE2456146A1 (en) 1975-06-05
JPS5085049A (en) 1975-07-09

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