EP1071108A3 - Electromagnetic actuator, in particular a trip device, in paricular for a circuit breaker - Google Patents

Electromagnetic actuator, in particular a trip device, in paricular for a circuit breaker Download PDF

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Publication number
EP1071108A3
EP1071108A3 EP00114808A EP00114808A EP1071108A3 EP 1071108 A3 EP1071108 A3 EP 1071108A3 EP 00114808 A EP00114808 A EP 00114808A EP 00114808 A EP00114808 A EP 00114808A EP 1071108 A3 EP1071108 A3 EP 1071108A3
Authority
EP
European Patent Office
Prior art keywords
spring
circuit breaker
armature
electromagnetic actuator
arm
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
EP00114808A
Other languages
German (de)
French (fr)
Other versions
EP1071108B1 (en
EP1071108A2 (en
Inventor
Erwin Ing. Muders
Joachim Majewski
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.)
ABB Patent GmbH
Original Assignee
ABB Patent GmbH
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 ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP1071108A2 publication Critical patent/EP1071108A2/en
Publication of EP1071108A3 publication Critical patent/EP1071108A3/en
Application granted granted Critical
Publication of EP1071108B1 publication Critical patent/EP1071108B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Valve Device For Special Equipments (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electronic Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

Es wird ein elektomagnetischer Aktor (10), insbesondere elektromagnetischer Auslöser für einen Leitungsschutzschalter oder dgl., mit einem Joch (12), einer Spule (13), einem Anker (16), einem Kern und einer Fesselfeder (26) beschrieben, bei dem eine bezogen auf den Aktor ortsfest drehbar gelagerte Wippe (23) vorgesehen ist, deren erster Arm (22) mit dem Anker (16) gekoppelt ist und an derem zweiten Arm (24) ein Ende einer Fesselfeder (29) angreift, deren anderes Ende ebenfalls ortsfest festgelegt ist. Die Wippe (23) ist so angeordnet, daß der Anlenkpunkt (28) der Feder (29) am zweiten Arm auf eine durch den Drehpunkt und den Anlenkpunkt verlaufende Totpunktlinie (V) beim Auslösevorgang hinschwenkt, so daß die Kraft der den Anker (16) in dessen Ruhestellung festhaltenden Feder (29) sich beim Auslösevorgang verringert.

Figure 00000001
An electromagnetic actuator (10), in particular an electromagnetic release for a circuit breaker or the like, with a yoke (12), a coil (13), an armature (16), a core and a cage spring (26) is described, in which a rocker (23) which is mounted so that it can rotate in relation to the actuator is provided, the first arm (22) of which is coupled to the armature (16) and the second arm (24) of which engages one end of a restraint spring (29), the other end of which also is fixed. The rocker (23) is arranged such that the articulation point (28) of the spring (29) on the second arm swings towards a dead center line (V) running through the pivot point and the articulation point during the triggering process, so that the force of the armature (16) in the rest position retaining spring (29) decreases during the triggering process.
Figure 00000001
EP00114808A 1999-07-21 2000-07-11 Electromagnetic actuator, in particular a trip device, in paricular for a circuit breaker Expired - Lifetime EP1071108B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934094A DE19934094A1 (en) 1999-07-21 1999-07-21 Electromagnetic actuator, in particular electromagnetic release, in particular for a circuit breaker
DE19934094 1999-07-21

Publications (3)

Publication Number Publication Date
EP1071108A2 EP1071108A2 (en) 2001-01-24
EP1071108A3 true EP1071108A3 (en) 2002-06-19
EP1071108B1 EP1071108B1 (en) 2003-08-27

Family

ID=7915478

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00114808A Expired - Lifetime EP1071108B1 (en) 1999-07-21 2000-07-11 Electromagnetic actuator, in particular a trip device, in paricular for a circuit breaker

Country Status (5)

Country Link
EP (1) EP1071108B1 (en)
AT (1) ATE248433T1 (en)
DE (2) DE19934094A1 (en)
HU (1) HUP0002802A2 (en)
PL (1) PL341552A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2024143A1 (en) * 1970-05-16 1971-12-02 Siemens Ag Switching device with electromagnetic release
DE3619239A1 (en) * 1986-06-07 1987-12-10 Kloeckner Moeller Elektrizit Rapid-action tripping device for line protection circuit breakers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3833128A1 (en) * 1988-09-29 1990-04-05 Siemens Ag Electromagnetic release, especially for line protection circuit breakers
DE4312950A1 (en) * 1993-04-21 1994-10-27 Abb Patent Gmbh Magnetic trigger for an electrical switching device
DE4445419A1 (en) * 1994-12-20 1996-06-27 Abb Patent Gmbh Electrical load protection switch with electromagnetic release

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2024143A1 (en) * 1970-05-16 1971-12-02 Siemens Ag Switching device with electromagnetic release
DE3619239A1 (en) * 1986-06-07 1987-12-10 Kloeckner Moeller Elektrizit Rapid-action tripping device for line protection circuit breakers

Also Published As

Publication number Publication date
ATE248433T1 (en) 2003-09-15
DE50003421D1 (en) 2003-10-02
DE19934094A1 (en) 2001-01-25
PL341552A1 (en) 2001-01-29
HU0002802D0 (en) 2000-09-28
HUP0002802A2 (en) 2001-02-28
EP1071108B1 (en) 2003-08-27
EP1071108A2 (en) 2001-01-24

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