EP0287752A2 - Interrupteur électromagnétique avec entraînement électromagnétique - Google Patents

Interrupteur électromagnétique avec entraînement électromagnétique Download PDF

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Publication number
EP0287752A2
EP0287752A2 EP88100712A EP88100712A EP0287752A2 EP 0287752 A2 EP0287752 A2 EP 0287752A2 EP 88100712 A EP88100712 A EP 88100712A EP 88100712 A EP88100712 A EP 88100712A EP 0287752 A2 EP0287752 A2 EP 0287752A2
Authority
EP
European Patent Office
Prior art keywords
switching device
contact bridge
electromagnetic
contactor
switch
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
EP88100712A
Other languages
German (de)
English (en)
Other versions
EP0287752A3 (en
EP0287752B1 (fr
Inventor
Manfred Dipl.-Ing. Aulmann
Norbert Brucksch
Guido Buchbender
Gerhard Dipl.-Ing. Rossmann
Werner Vogelsang
Gerd Ing.-Grad. Voiss
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.)
Eaton Industries GmbH
Original Assignee
Kloeckner Moeller Elektrizitaets GmbH
Kloeckner Moeller 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 Kloeckner Moeller Elektrizitaets GmbH, Kloeckner Moeller GmbH filed Critical Kloeckner Moeller Elektrizitaets GmbH
Publication of EP0287752A2 publication Critical patent/EP0287752A2/fr
Publication of EP0287752A3 publication Critical patent/EP0287752A3/de
Application granted granted Critical
Publication of EP0287752B1 publication Critical patent/EP0287752B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device
    • H01H89/08—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device with both devices using the same contact pair
    • 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
    • H01H71/2409—Electromagnetic mechanisms combined with an electromagnetic current limiting mechanism
    • 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
    • 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
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7409—Interchangeable elements

Definitions

  • the invention relates to an electromagnetic switching device with an electromagnetic drive according to the preamble of claim 1.
  • Such electromagnetic switching devices are used for the operational switching of currents in various types of electrical systems. Due to the high currents to be switched, the contacts of the switching devices are subject to the risk of welding in the event of high overload or short-circuit currents, since an arc arises due to the dynamic opening of the contacts. This welding of the contacts must be countered by connecting a protective device or circuit breaker. However, the shutdown and current limitation cannot be implemented in such a way that welding or an increased erosion of the contacts is reliably prevented in any case.
  • the electromagnetic quick release acts on the contact bridge support either via an intermediate lever or via a pretensioned switching lock, as a result of which a quick release delay occurs which does not prevent the welding of the contacts with the required security.
  • the known switchgear is bulky and must be dismantled to replace the contactor solenoid. In addition, relatively large masses must be moved against the pressure of the contact spring when opening the contact bridge with the movable contacts arranged thereon.
  • the invention has for its object to provide a particularly compact arrangement of electromagnetic drive and quick release in such electromagnetic switching devices, which on the one hand ensures a delay-free opening of the contacts when the quick release is actuated, but also for opening the contact bridge without actuating the quick release only small masses have to be moved.
  • the modular combination of the switch parts provided with other components results in easy assembly of such switchgear, which also enables fully automatic manufacture and assembly of such switchgear due to the special arrangement and structure of the existing device parts.
  • the electromagnetic switching device 1 has an electromagnetic drive 2 for the operational switching of currents in the load range and a quick release 3 in series therewith for protection against currents in the overload range.
  • the contact bridge support 8 which can be actuated by means of a rocker arm or a rocker switch 9 by means of a contact magnet 10 which is laterally offset with respect to the contact bridge support 8.
  • the quick release mechanism 3 acting on the contact bridge supports 8 is arranged such that the contact bridge support 8 is actuated independently of one another by the rocker arm or the rocker switch 9 of the contactor magnet 10 and by the quick release mechanism 3.
  • the electromagnetic contactor drive 10 and the quick release 3 are arranged parallel to one another on both sides of the longitudinal central axis or on both sides of the actuation axis 11 of the contact bridge carrier 8.
  • the electromagnetic quick release 3 is arranged so that it acts in the event of a high overload current (short-circuit current) directly and without delay on the contact bridge support 8 and causes the contact opening.
  • the contactor magnet 10 and the quick release 3 with their plungers 10a and 3a are axially parallel to the longitudinal central axis or arranged to the actuation axis 11 of the contact bridge support 8.
  • the rocker switch 9 acted upon in the opening direction of the contact bridge 8 by a compression spring 12 with its pivot axis 13 below the fixed part or the magnetic core 14 of the contactor magnet 10 and approximately at the level of the contact surface 15 of the contact bridge carrier 8 and is pivotable with its leg 16 facing away from the contact bridge 8 on the helical compression spring 12, which is supported laterally offset on the switch housing 17 outside the contactor magnet 10.
  • the plunger 3a of the quick-release mechanism 3 engages at approximately the same height or only slightly offset in height as the rocker switch 9 on the actuating surface 15 of the contact bridge 8.
  • the compression spring 12 serving as an opening spring for the contact bridge 8 acts on the leg 16 of the rocker switch 9 facing away from the contact bridge 8 approximately parallel to the actuating direction or axis 11 of the contact bridge 8, while on the the contact bridge 8 away leg 16 of the rocker switch 9 engages approximately in extension of the axis of the opening spring 12 for the contact bridge of the plunger 10a of the contactor magnet 10 which is fixedly connected to the movable part 18 of the contactor magnet.
  • the movable part 18 of the contactor magnet 10 is further attached to a yoke 20 which is displaceably guided on the cover 19 of the switch housing 17 in the actuating direction of the contactor magnet 10, from which the plunger 10 protrudes outside the contactor magnet 10 in the actuating direction of the contactor magnet against the switching rocker 9, and from which a boom 21 for actuating an auxiliary switch 23 arranged next to the quick release 3 on the opposite side wall 22 within the switch housing is directed to the side.
  • the contact bridge 8 has a cantilevered stop lug 24 for the plunger 3a of the quick release 3, and the auxiliary switch 23 is arranged on the switch housing 17 in such a way that it is axially parallel to the contactor magnet 10 and to the electromagnetic quick release 3 can be actuated.
  • a driver 25 projecting out of the housing of the auxiliary switch, on which the arm 21 of the yoke 20 of the contactor magnet 10 comes into contact with the excitation of the contactor magnet to trigger the auxiliary switch 23.
  • the fixed part or the magnetic core 14 of the contactor magnet 10 is fastened between the lower housing part 26 and the housing cover 19 of the switch housing in such a way that the contactor magnetic coil 27 is exposed after the housing cover 19 has been lifted off and from the front of the switching device 1 can be exchanged for a coil with different voltage or frequency values without removing the switching device.
  • the magnetic core 14 of the contactor magnet 10 is held in side pockets or grooves 28, 29 on opposite side walls 30, 31 of the switch housing 17 and is secured in its position by lateral abutment webs 32, 33 on the housing cover 19 (FIGS. 5 and 6) 5, 6 and 7 can be seen in detail.
  • the magnetic core 14 of the contactor magnet 10 is flush with the side wall edge 34 of the lower housing part 26, and the abutment webs 32, 33 protrude from the two opposite side wall edges of the housing cover 19 so that they protrude when closed Housing cover 19 abut against the end faces 35 of the magnetic core 14 in the area of the grooves or pockets 28, 29 for holding the magnetic core.
  • the contactor magnetic coil 27 is also, as shown in FIGS. 4 to 6, fixed with coil connections 36, 37 facing outward to the side walls 30, 31 of the switch housing between the lower housing part 26 and the housing cover 19, the coil connections 36, 37 being in height the underside of the switch housing 17 on both sides of the terminals 38 (Fig. 3) of the auxiliary switch 23 are arranged.
  • the auxiliary switch 23 can be inserted with lateral guide webs 39, 40 in grooves 41, 42 on the switch housing, axially parallel to the quick release 3 and to the contactor magnet 10, and can also be exchanged for other types of auxiliary switch after dismantling the contactor magnet coil 27.
  • the housing cover 19 When the housing cover 19 is closed, it is secured in its installed position by the coil connections 36, 37 of the contactor magnet coil 27 enclosed between the lower housing part 26 and the cover 19.
  • At least one of the two coil connections 36, 37 of the contactor magnet coil 27 has a display panel 43 for the electrical values of the coil current or the like, which is shown by a window 44 (FIGS. 1 and 2) is visible on the housing cover 19.
  • connection tongues 46 project outwards, to which either a connection block 47 for outgoing electrical lines or another electrical attachment 48 (FIG 9), such as how a circuit breaker with matching contact tongues or connecting elements 47a, 48a can be connected.
  • the Terminal block 47 is formed with a base plate 49 for a top-hat rail fastening 50, screw fastening or the like, which rests on the rear side 51 of the switch housing and from which a side cover plate 52 protrudes at right angles, which is firmly connected to the connection block 47 and the switch housing on one Side at least partially overlooked (Fig. 1 and 2).

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP88100712A 1987-04-22 1988-01-20 Interrupteur électromagnétique avec entraînement électromagnétique Expired - Lifetime EP0287752B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE8705806U DE8705806U1 (de) 1987-04-22 1987-04-22 Elektromagnetisches Schaltgerät mit elektromagnetischem Antrieb
DE19873713412 DE3713412A1 (de) 1987-04-22 1987-04-22 Elektromagnetisches schaltgeraet mit elektromagnetischem antrieb
DE3713412 1987-04-22

Publications (3)

Publication Number Publication Date
EP0287752A2 true EP0287752A2 (fr) 1988-10-26
EP0287752A3 EP0287752A3 (en) 1990-05-30
EP0287752B1 EP0287752B1 (fr) 1994-09-28

Family

ID=25854829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88100712A Expired - Lifetime EP0287752B1 (fr) 1987-04-22 1988-01-20 Interrupteur électromagnétique avec entraînement électromagnétique

Country Status (2)

Country Link
EP (1) EP0287752B1 (fr)
DE (3) DE8705806U1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991002370A2 (fr) * 1989-07-28 1991-02-21 Federal Pioneer Limited Disjoncteurs miniatures
FR2664426A1 (fr) * 1990-02-14 1992-01-10 Mitsubishi Electric Corp Commutateur.
FR2665572A1 (fr) * 1990-07-16 1992-02-07 Terasaki Denki Sangyo Kk Disjoncteur comportant un mecanisme de separation forcee des contacts permettant une auto-retenue en cas de court-circuit.
EP0604985A1 (fr) * 1992-12-31 1994-07-06 Moeller GmbH Commande électromagnétique de commutateur
WO1997041579A1 (fr) * 1996-04-29 1997-11-06 Siemens Aktiengesellschaft Appareil de commutation
FR2759489A1 (fr) * 1997-02-12 1998-08-14 Schneider Electric Sa Appareil electrique multipolaire composable
AT404522B (de) * 1989-10-06 1998-12-28 Telemecanique Elektromagnetisch gesteuerte schaltvorrichtung mit öffnungspolen
US20090273419A1 (en) * 2006-09-07 2009-11-05 Norbert Mitlmeier Switching device, in particular a compact starter

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920003958B1 (ko) * 1988-10-06 1992-05-18 미쓰비시전기 주식회사 원격조작식 회로차단기
US5041805A (en) * 1988-10-06 1991-08-20 Mitsubishi Denki Kabushiki Kaisha Remote-controlled circuit breaker
KR920003957B1 (ko) * 1988-10-17 1992-05-18 미쯔비시 덴끼 가부시기가이샤 원격조작식 회로차단기
DE19519756C1 (de) * 1995-05-30 1996-07-25 Siemens Ag Elektromagnetisches Schaltgerät
DE19538057C1 (de) * 1995-10-12 1997-02-20 Siemens Ag Elektromagnetisches Schaltgerät
DE19919949C5 (de) * 1999-04-30 2013-03-07 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung mit einem Sicherheitsschalter
DE20304414U1 (de) * 2003-03-19 2004-07-29 Weidmüller Interface Gmbh & Co. Schaltgerät mit Anschlüssen für elektrische Leiter
DE102006034818B3 (de) * 2006-07-27 2008-01-03 Moeller Gmbh Kontaktsystem einer elektrischen Schaltanordnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR546555A (fr) * 1921-02-24 1922-11-16 Krupp Ag Interrupteur électromagnétique automatique de courants trop intenses, avec dispositif de rappel
FR962941A (fr) * 1947-12-09 1950-06-23
FR2408209A1 (fr) * 1977-11-08 1979-06-01 Telemecanique Electrique Contacteur electro-magnetique equipe d'un electro-aimant sensible aux surintensites pour provoquer la limitation et la coupure des courants excessifs
EP0179677A1 (fr) * 1984-09-27 1986-04-30 Telemecanique Dispositif de commutation à composition variable

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT111712B (de) * 1927-05-18 1928-12-27 Fritz Fratzscher Fahrradstütze.
FR2516304A1 (fr) * 1981-11-09 1983-05-13 Telemecanique Electrique Interrupteur a commande mecanique et ouverture automatique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR546555A (fr) * 1921-02-24 1922-11-16 Krupp Ag Interrupteur électromagnétique automatique de courants trop intenses, avec dispositif de rappel
FR962941A (fr) * 1947-12-09 1950-06-23
FR2408209A1 (fr) * 1977-11-08 1979-06-01 Telemecanique Electrique Contacteur electro-magnetique equipe d'un electro-aimant sensible aux surintensites pour provoquer la limitation et la coupure des courants excessifs
EP0179677A1 (fr) * 1984-09-27 1986-04-30 Telemecanique Dispositif de commutation à composition variable

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991002370A2 (fr) * 1989-07-28 1991-02-21 Federal Pioneer Limited Disjoncteurs miniatures
WO1991002370A3 (fr) * 1989-07-28 1991-06-27 Federal Pioneer Ltd Disjoncteurs miniatures
AT404522B (de) * 1989-10-06 1998-12-28 Telemecanique Elektromagnetisch gesteuerte schaltvorrichtung mit öffnungspolen
FR2664426A1 (fr) * 1990-02-14 1992-01-10 Mitsubishi Electric Corp Commutateur.
FR2665572A1 (fr) * 1990-07-16 1992-02-07 Terasaki Denki Sangyo Kk Disjoncteur comportant un mecanisme de separation forcee des contacts permettant une auto-retenue en cas de court-circuit.
US5252933A (en) * 1990-07-16 1993-10-12 Terasaki Denki Sangyo Kabushiki Kaisha Circuit breaker including forced contact parting mechanism capable of self-retaining under short circuit condition
EP0604985A1 (fr) * 1992-12-31 1994-07-06 Moeller GmbH Commande électromagnétique de commutateur
WO1997041579A1 (fr) * 1996-04-29 1997-11-06 Siemens Aktiengesellschaft Appareil de commutation
US6034585A (en) * 1996-04-29 2000-03-07 Siemens Ag Switching device
FR2759489A1 (fr) * 1997-02-12 1998-08-14 Schneider Electric Sa Appareil electrique multipolaire composable
US20090273419A1 (en) * 2006-09-07 2009-11-05 Norbert Mitlmeier Switching device, in particular a compact starter

Also Published As

Publication number Publication date
DE3713412A1 (de) 1988-11-03
DE3851650D1 (de) 1994-11-03
EP0287752A3 (en) 1990-05-30
DE8705806U1 (de) 1988-08-18
EP0287752B1 (fr) 1994-09-28

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