EP2313905A1 - Dispositif de commutation - Google Patents

Dispositif de commutation

Info

Publication number
EP2313905A1
EP2313905A1 EP09775551A EP09775551A EP2313905A1 EP 2313905 A1 EP2313905 A1 EP 2313905A1 EP 09775551 A EP09775551 A EP 09775551A EP 09775551 A EP09775551 A EP 09775551A EP 2313905 A1 EP2313905 A1 EP 2313905A1
Authority
EP
European Patent Office
Prior art keywords
yoke
switching device
armature
coil
bending part
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
EP09775551A
Other languages
German (de)
English (en)
Other versions
EP2313905B1 (fr
Inventor
Rainer Faast
Erich Zach
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 Austria GmbH
Original Assignee
Moeller Gebaudeautomation 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 Moeller Gebaudeautomation GmbH filed Critical Moeller Gebaudeautomation GmbH
Priority to PL09775551T priority Critical patent/PL2313905T3/pl
Publication of EP2313905A1 publication Critical patent/EP2313905A1/fr
Application granted granted Critical
Publication of EP2313905B1 publication Critical patent/EP2313905B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
    • 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
    • H01H69/00—Apparatus or processes for the manufacture of emergency protective devices

Definitions

  • the invention relates to a switching device according to the preamble of claim 1.
  • Triggering arrangements are generally used to disconnect switching contacts in the event of a short circuit occurring.
  • the magnetic release arrangement generally has a current-carrying coil which is enclosed by a yoke. Inside the coil, a movable armature is arranged, which by the magnetic field of the current flowing through
  • Coil is accelerated against an armature spring, and when a short circuit occurs
  • the object of the invention is to provide a switching device of the type mentioned, in which the manufacturing, energy and raw material costs for its production can be reduced.
  • FIG. 1 shows a magnetic release arrangement for an inventive switching device in axonometric representation.
  • FIG. 2 shows the magnetic release arrangement according to FIG. 1 in side elevation;
  • FIG. 3 shows the magnetic release arrangement according to FIG. 1 in elevation;
  • FIG. 4 shows the view according to FIG. 3 in a partially cutaway view;
  • FIG. FIG. 5 shows the view according to FIG. 1 in an exploded view;
  • FIG. 6 shows a yoke sleeve according to the prior art; 7 shows a yoke sleeve according to the invention; and
  • FIG. 8 shows a yoke sleeve according to FIG. 7 in an exploded view.
  • FIG. 1 to 5 show a magnetic trip arrangement 1 for a switching device, wherein the magnetic trip device 1 at least one anchor 2, a coil 3, a yoke 4 and a yoke sleeve 5, wherein the armature 2 and the yoke sleeve 5 arranged substantially in alignment wherein the coil 3 is arranged substantially around the armature 2 and / or the yoke sleeve 5, wherein the yoke 4 is arranged around the coil 3, and wherein the armature 2 is provided for at least indirectly triggering a disconnecting device of the switching device, wherein the yoke sleeve 5 is formed by at least one first bending part 6.
  • Switching devices according to the invention are preferably designed as circuit breakers and / or circuit breakers.
  • Switching devices according to the invention have at least two connection terminals 11, an input terminal and an output terminal, for connecting electrical conductors of an electrical line to be protected. It can be provided both switching devices with a single and with a predetermined plurality of electrical switching paths.
  • switching devices have at least one movable electrical switching contact per switching path, which with a further, preferably fixed, electrical switching contact 13 forms a switching contact pair for closing or opening the electrical line to be protected.
  • the at least one movable electrical switching contact is preferably moved by a switching mechanism.
  • Switching devices according to the invention are generally arranged in the current-carrying outer conductors or phases.
  • Switching devices have at least one magnetic triggering arrangement 1, which is used to trip the switching device, therefore to disconnect the electrical switching contacts 13, in the case of a short circuit occurring in the electrical line to be protected, therefore a low-resistance connection between an outer conductor or a phase and the neutral conductor , is provided.
  • particularly preferred embodiments of switching devices according to the invention further comprise a thermal trip arrangement, which is preferably formed comprising a bimetallic element, for triggering the switching device due to a slightly increased current flow.
  • the magnetic trip device comprises at least one armature 2, a coil 3, a yoke 4 and a yoke sleeve 5.
  • the coil 3 forms part of the electrical line to be protected within the switching device.
  • a first connection conductor 10 of the coil 3 is connected to a connection terminal 11 of the switching device, and a second connection conductor 12 of the coil 3 is connected to a fixed switching contact 13 of the switching device.
  • the coil 3 is preferably arranged around a winding support 14 made of insulating material, which essentially has the shape of a cylinder, at one end of which a shoulder 18 is formed.
  • the coil 3 is at least partially enclosed by a yoke 4, which is preferably formed as a sheet metal bending / stamping part, and preferably in the form of a substantially rectangular box, and serves to guide the magnetic flux.
  • the second connecting conductor 12 of the coil 3 is connected to a contact carrier 15, which carries the fixed electrical switching contact 13, wherein the contact carrier 15 is preferably further connected to the yoke 4.
  • anchor 2 Within the winding support 14 is a movable, in particular displaceable along the longitudinal extension, anchor 2 is arranged, and is guided by the winding support 14, wherein the armature 2 is urged by an armature spring 9 toward a rest position, which preferably by the shoulder 18 of Winding support 14 is formed.
  • the coil 3, in particular the number and design of the coil turns, and the spring force of the armature spring 9 are dimensioned such that the armature spring 9 in short-circuit-free Operating the armature 2 presses against the rest position, in the short circuit case, however, the armature 2 is accelerated by the electromotive force generated by the coil so strong against the spring force of the armature spring that its spring force is overcome and the armature 2 moves away from its rest position, and causes a tripping of the switching device.
  • the armature 2 does not directly trigger the switch, but that the armature 2 drives a plunger 8, which is formed from an insulating material, and Anchor 2 indirectly via the plunger 8 triggers the switch.
  • the yoke 4 further comprises at least a first opening 19, which preferably faces the fixed electrical switching contact 13, and through which the plunger 8 acts on a, preferably provided switch lock, and causes the upward movement of the movable switch contact.
  • the armature 2 itself is designed as a hollow cylinder, on whose side facing away from the first opening 19, a stop 20 is formed for the plunger 8.
  • the armature 2 is formed according to the illustrated preferred embodiment as a bent part.
  • the yoke further comprises a second opening 23 through which the winding support is guided.
  • a yoke sleeve 5 in alignment with the armature 2, which is arranged according to the preferred embodiment within the coil 3 and the winding support 14.
  • the yoke sleeve 5 serves to guide or guide the magnetic field lines of the magnetic field generated by the coil 3 toward the armature. It is therefore provided that the yoke 4, the armature 2 and / or the yoke sleeve 5 comprise a ferromagnetic material.
  • the yoke sleeve 5 is arranged in the region of the first opening 19, wherein it is particularly preferred that the yoke sleeve 5 is at least partially disposed in the first opening 19, and preferably with the first opening 19 is pressed or riveted.
  • the yoke sleeve 5 has a passage opening 21 in order to allow it to penetrate through the plunger 8.
  • Fig. 6 shows a yoke sleeve 16 according to the known prior art, which is designed as a rotating part.
  • the structure of a particularly preferred magnetic trip device 1 for switching devices according to the invention is particularly well illustrated in FIGS. 1 to 5, wherein in Fig. 5, the internal structure is particularly well recognized.
  • the yoke sleeve 5 is formed by at least one first bending part 6. Under a bent part is in the broad sense formed by bending, bending and / or rolling of a sheet metal component.
  • the first bent part 6 is formed from a substantially rectangular sheet, which is bent or rolled into a substantially cylindrical body.
  • a yoke sleeve 5 formed in this way has an air gap 17 in its longitudinal direction, which, however, does not cause appreciable magnetic losses, since this air gap 17 is arranged parallel to the magnetic field lines caused by the coil 3.
  • FIG. 7 and 8 show a particularly preferred embodiment of a yoke sleeve 5 according to the invention, which has a first bent part 6 and a second bent part 7, or is formed from such, wherein the first bending part 6 is disposed within the second bending part 7.
  • a yoke sleeve 5 formed in this way has a yoke shoulder 22, which represents an advantageous stop for the automated assembly of the magnetic trip device 1, and thus simplifies the assembly of yoke 4 and yoke sleeve 5.
  • the first bending part 6 is preferably connected to the second bending part 7 according to a preferred embodiment by means of a press fit, whereby additional connection-securing measures can be dispensed with, and a simple and cost-effective production is achieved.
  • the first bending part 6 is positively connected to the second bending part 7.
  • Such a positive connection can be achieved for example by a knurled outer surface of the first bending part 6, in which a, preferably knurled, inner surface of the second bending part 7 engages.
  • the positive connection can also be achieved by a predetermined plastic deformation of the already assembled first and second bending parts 6, 7. By such a positive connection, a particularly secure hold of the first bending part 6 in the second bending part 7 can be achieved.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Breakers (AREA)

Abstract

L'invention concerne un dispositif de commutation avec un système de déclenchement (1) magnétique comprenant un induit (2), une bobine (3), une culasse (4) et une douille de culasse (5), l'induit (2) et la douille de culasse (5) étant disposés de manière sensiblement alignée, la bobine (3) étant sensiblement disposée autour de l'induit (2) et/ou de la douille de culasse (5), la culasse (4) étant disposée autour de la bobine (3) et l'induit (2) étant prévu pour le déclenchement au moins indirect d'un dispositif de coupure du dispositif de commutation. L'objectif de l'invention est de diminuer la complexité de fabrication, la consommation d'énergie et de matières premières pour produire le dispositif de commutation. A cet effet, la douille de culasse (5) est formée par au moins une première pièce cintrée (6).
EP09775551A 2008-07-31 2009-07-02 Dispositif de commutation Active EP2313905B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09775551T PL2313905T3 (pl) 2008-07-31 2009-07-02 Łącznik

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0119008A AT509279A1 (de) 2008-07-31 2008-07-31 Schaltgerät
PCT/AT2009/000260 WO2010012012A1 (fr) 2008-07-31 2009-07-02 Dispositif de commutation

Publications (2)

Publication Number Publication Date
EP2313905A1 true EP2313905A1 (fr) 2011-04-27
EP2313905B1 EP2313905B1 (fr) 2012-04-04

Family

ID=41110752

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09775551A Active EP2313905B1 (fr) 2008-07-31 2009-07-02 Dispositif de commutation

Country Status (9)

Country Link
US (1) US20100026430A1 (fr)
EP (1) EP2313905B1 (fr)
CN (1) CN102113079B (fr)
AT (3) AT509279A1 (fr)
AU (1) AU2009276298B2 (fr)
ES (1) ES2384913T3 (fr)
PL (1) PL2313905T3 (fr)
RU (1) RU2523717C2 (fr)
WO (1) WO2010012012A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011014061B4 (de) * 2011-03-16 2013-11-28 Abb Ag Leitungsschutzschalter und Verfahren zum Herstellen eines Leitungsschutzschalters
JP2013033579A (ja) * 2011-06-29 2013-02-14 Sanyo Electric Co Ltd 対物レンズ駆動装置、駆動装置用フレーム、駆動装置、ピックアップ装置
WO2014104468A1 (fr) * 2012-12-28 2014-07-03 주식회사 라온테크 Dispositif photovoltaïque
EP3503135B1 (fr) 2017-12-22 2023-04-26 Hamilton Sundstrand Corporation Dispositif électromagnétique

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US3886507A (en) * 1973-10-05 1975-05-27 Westinghouse Electric Corp Adjustable latch for a relay
US3959755A (en) * 1974-12-13 1976-05-25 Airpax Electronics Incorporated Circuit breaker with improved delay
DE2531215A1 (de) * 1975-07-12 1977-02-03 Bbc Brown Boveri & Cie Magnetischer ausloeser
US4238749A (en) * 1978-12-29 1980-12-09 Texas Instruments Incorporated High inrush current circuit breaker
US4276526A (en) * 1980-01-28 1981-06-30 General Electric Company Miniature current limiting circuit breaker
US4427959A (en) * 1982-04-06 1984-01-24 Matsushita Electric Works, Ltd. Circuit protecting sensor
US4504807A (en) * 1984-06-01 1985-03-12 Carlingswitch, Inc. High inrush current circuit breaker
US4646043A (en) * 1985-03-27 1987-02-24 Wavecom Solenoid having a plunger non-fixedly adjoining an end of the armature
US4783049A (en) * 1986-03-24 1988-11-08 Lectron Products, Inc. Electrically operated automatic transmission controller assembly
US4710739A (en) * 1986-07-15 1987-12-01 Westinghouse Electric Corp. Circuit breaker having shock-proof trip-actuating assembly
SU1467588A1 (ru) * 1987-06-10 1989-03-23 Томский политехнический институт им.С.М.Кирова Коммутационное устройство
FR2629633A1 (fr) * 1988-03-30 1989-10-06 Hager Electro Declencheur magnetique pour disjoncteur
DE9002197U1 (de) * 1990-02-24 1991-06-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Leitungsschutzschalter mit einem elektromagnetischen Auslöseorgan
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US5214402A (en) * 1991-12-23 1993-05-25 North American Philips Corporation Trip link latch and interpole link for a circuit breaker
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Also Published As

Publication number Publication date
AU2009276298A1 (en) 2010-02-04
AU2009276298B2 (en) 2015-09-03
WO2010012012A8 (fr) 2010-04-08
US20100026430A1 (en) 2010-02-04
EP2313905B1 (fr) 2012-04-04
CN102113079B (zh) 2014-05-28
ATE552605T1 (de) 2012-04-15
CN102113079A (zh) 2011-06-29
AT509279A1 (de) 2011-07-15
ES2384913T3 (es) 2012-07-13
AT517193A5 (de) 2016-11-15
RU2011107218A (ru) 2012-09-10
RU2523717C2 (ru) 2014-07-20
PL2313905T3 (pl) 2012-10-31
WO2010012012A1 (fr) 2010-02-04

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