EP0648702A1 - Interrupteur mécanique à actionneur multiple - Google Patents

Interrupteur mécanique à actionneur multiple Download PDF

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Publication number
EP0648702A1
EP0648702A1 EP94114756A EP94114756A EP0648702A1 EP 0648702 A1 EP0648702 A1 EP 0648702A1 EP 94114756 A EP94114756 A EP 94114756A EP 94114756 A EP94114756 A EP 94114756A EP 0648702 A1 EP0648702 A1 EP 0648702A1
Authority
EP
European Patent Office
Prior art keywords
switch
elevator car
roller
switching means
elevator
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.)
Ceased
Application number
EP94114756A
Other languages
German (de)
English (en)
Inventor
Dennis P. Henry
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.)
Inventio AG
Original Assignee
Inventio AG
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 Inventio AG filed Critical Inventio AG
Publication of EP0648702A1 publication Critical patent/EP0648702A1/fr
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/50—Adaptations of switches or switchgear with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006—Permanent magnet actuating reed switches
    • H01H36/0046—Limit switches, also fail-safe operation or anti-tamper considerations

Definitions

  • the invention relates to a switch which is arranged on a shaft wall of an elevator shaft and which consists of first mechanical switching means for actuating an electrical contact, the first mechanical switching means being operable by means of a switching curve arranged on an elevator car which can be moved in the elevator shaft.
  • a floor switch which is arranged on each floor of an elevator installation and is used to control the elevator car, has become known.
  • a switching curve arranged on the elevator car actuates the floor switch when the elevator car is being moved.
  • a swivel lever which is rotatably mounted on the floor switch with a roller arranged on the switching curve side is moved from one end position to the other end position by means of the switching curve.
  • a pin arranged on the pivot lever tilts a contact lever from a first contact to a second contact.
  • a disadvantage of the known device is that each floor switch is actuated by the switching curve of the elevator car on each floor passage. Moving the switching curve onto the roller of the swivel lever creates unpleasant noises in the elevator car.
  • the invention seeks to remedy this.
  • the invention as characterized in the claims, solves the problem of avoiding the disadvantages of the known device and designing a switch in such a way that, despite applicable safety regulations, the ride comfort of the elevator passengers is guaranteed over the entire height of the elevator shaft.
  • 1 denotes an elevator shaft in which an elevator car 4 guided by means of guide rails 2 and guide shoes 3 is moved.
  • a switch 6 arranged on a shaft wall 5 has an axis 7 directed into the shaft 1, on which an arm 8 engages.
  • the switching curve 10 passes over the roller 9 when the elevator car 4 moves up and down in such a way that the movement of the arm 8 is transmitted to an electrical switch by means of the axis 7.
  • the switch 6 according to the invention prevents the roller 9 from being driven over.
  • a magnetic switch 11 is arranged on the switch 6, the arm just before driving over the roller 9 8 with the roller 9 lifts off the path of the switching curve 10.
  • a magnet 12 is arranged on the elevator car 4 in such a way that it activates the magnetic switch 11 shortly before the roller 9 is passed over.
  • the switch 6 is shown with the magnetic switch 11 placed on a housing 13.
  • the switch 6 has an angled lever 14 with a long lever arm 15 and a short lever arm 16, the short lever arm 16 being connected to the axis 7.
  • a spring 18 guided by a bolt 17 acts on the end of the short lever arm 16 with a spring force.
  • the spring 18 guided by the bolt 17 and designed as a compression spring acts on one end on the end of the short lever arm 16 and on the other end on a holder 19.
  • At the end of the long lever arm 15 there is a contact bridge 20 which connects a first spring contact 21 to a second spring contact 22 .
  • a mechanical stop 23 limits the deflection of the long lever arm 15, which also limits the freedom of movement of the contact bridge 20.
  • the spring contacts 21; 22 there is an insulating base 24 on which a connection terminal 25 connected to the first spring contact 21 and a connection terminal 26 connected to the second spring contact 22 are arranged.
  • a base plate 27 which extends beyond the contact bridge 20 is underlaid on the insulating base 24.
  • a coil 28 is arranged with a pin-like armature 29, which passes through an opening 30 in the long lever arm 15.
  • a split pin 31 projecting beyond the opening 30 is arranged.
  • the magnetic switch 11 is provided in various design variants, for example magnetic switches that change their switching state in the area of influence of the magnet 12 and then assume the original switching state again, or magnetic switches that change their switching state in the area of influence of the magnet 12 and maintain this in the area of influence of the subsequent magnet .
  • the coil 28 can also be controlled by means of signals from mechanical switches with switch cams on the elevator car, by means of signals from capacitive switches, by means of signals from electronic circuits, by means of signals from the elevator control system or by means of signals from computers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Elevator Control (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
EP94114756A 1993-10-13 1994-09-19 Interrupteur mécanique à actionneur multiple Ceased EP0648702A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/135,796 US5373122A (en) 1993-10-13 1993-10-13 Dual actuator mechanical switch
US135796 1993-10-13

Publications (1)

Publication Number Publication Date
EP0648702A1 true EP0648702A1 (fr) 1995-04-19

Family

ID=22469712

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94114756A Ceased EP0648702A1 (fr) 1993-10-13 1994-09-19 Interrupteur mécanique à actionneur multiple

Country Status (3)

Country Link
US (1) US5373122A (fr)
EP (1) EP0648702A1 (fr)
CA (1) CA2117717A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW348169B (en) * 1994-11-15 1998-12-21 Inventio Ag Evacuation system for a lift cage
KR100186378B1 (ko) * 1996-02-07 1999-04-15 이종수 엘리베이터의 동기위치 보정장치
KR100186381B1 (ko) * 1996-03-13 1999-04-15 이종수 엘리베이터의 동기위치 제어방법
US6469265B1 (en) * 2001-06-05 2002-10-22 Delphi Technologies, Inc. Method and apparatus for a limit switch

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB869471A (en) * 1958-03-04 1961-05-31 Westinghouse Brake & Signal Improvements in and relating to apparatus for proving the position of lift cages in their shafts
FR2249020A1 (fr) * 1973-10-26 1975-05-23 Westinghouse Electric Corp
FR2374250A1 (fr) * 1976-12-14 1978-07-13 Linden Alimak Ab Systeme pour marquer les plans d'arret d'une cabine d'ascenseur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE318111C (fr) *
US3165600A (en) * 1961-02-23 1965-01-12 Triax Co Solenoid operated limit switch assembly
JPS5413062B2 (fr) * 1973-02-16 1979-05-28
US4431358A (en) * 1981-08-20 1984-02-14 Erwin Jenkner Apparatus for breaking up stacks of boards in power saws or the like
US4971178A (en) * 1989-02-02 1990-11-20 Inventio Ag Elevator system with independent limiting of a speed pattern in terminal zones
JPH04365765A (ja) * 1991-06-12 1992-12-17 Hitachi Building Syst Eng & Service Co Ltd エレベータのリミツトスイツチの試験装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB869471A (en) * 1958-03-04 1961-05-31 Westinghouse Brake & Signal Improvements in and relating to apparatus for proving the position of lift cages in their shafts
FR2249020A1 (fr) * 1973-10-26 1975-05-23 Westinghouse Electric Corp
FR2374250A1 (fr) * 1976-12-14 1978-07-13 Linden Alimak Ab Systeme pour marquer les plans d'arret d'une cabine d'ascenseur

Also Published As

Publication number Publication date
CA2117717A1 (fr) 1995-04-14
US5373122A (en) 1994-12-13

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