EP2383761A1 - Commutateur destiné à des applications à courant continu - Google Patents

Commutateur destiné à des applications à courant continu Download PDF

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Publication number
EP2383761A1
EP2383761A1 EP11175842A EP11175842A EP2383761A1 EP 2383761 A1 EP2383761 A1 EP 2383761A1 EP 11175842 A EP11175842 A EP 11175842A EP 11175842 A EP11175842 A EP 11175842A EP 2383761 A1 EP2383761 A1 EP 2383761A1
Authority
EP
European Patent Office
Prior art keywords
switching contact
contact element
movable
housing
switching device
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.)
Withdrawn
Application number
EP11175842A
Other languages
German (de)
English (en)
Inventor
Volker Lang
Gerd Schimtz
Wolfgang Kremers
Lothar Winzen
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
Eaton Industries 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 Eaton Industries GmbH filed Critical Eaton Industries GmbH
Publication of EP2383761A1 publication Critical patent/EP2383761A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36—Metal parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts

Definitions

  • the invention relates to a switching device for DC applications, using components of switching devices for AC applications, eg. As circuit breaker, circuit breaker, switch disconnector and residual current circuit breaker is constructed.
  • switching devices which have one or more current paths, which in turn comprise fixed and movable switching contact elements.
  • the movable switching contact elements are movable together between a closed position, in which the mutually associated movable and stationary switching contact elements, and an open position, in which forms an insulating gap between the mutually associated movable and stationary switching contact elements.
  • arc quenching devices such as arc guide rails, arc splitter stacks or Deion packages. These arcing devices divide the arcs into individual partial arcs; if the arc voltages are higher than the driving voltages, the arcs are safely erased.
  • the arc extinction is facilitated by the current having a natural zero crossing.
  • a flashback of the arcs may occur;
  • the arcs forming at high currents generate in turn such a large intrinsic magnetic field that they are automatically deflected toward the arc quenching devices and finally extinguished.
  • blowing magnets In switching devices for DC applications, there is no automatic interruption of the arc as at the zero crossing of the alternating current. In the case of DC applications, therefore, so-called blowing magnets are used which generate a magnetic field with a strength and orientation which exert on the arcs a deflection force (Lorentz force) which deflects the arcs towards the arc quenching devices. In the extinguishing equipment, the arcs are stretched as known per se, cooled and divided into partial arcs and thereby extinguished.
  • Switching devices of the aforementioned type for AC applications are, for example, in DE 103 52 934 B4 .
  • DE 10212 948 B4 DE 20 2005 007 878 U1 .
  • EP 1 594 148 A1 EP 0 980 085 B 1 and EP 0 217 106 B1 described.
  • DE 34 09 564 A1 discloses a DC contactor with receiving areas for three parallel current paths, each having two separation sections, with a magnetic drive for transferring the current paths associated movable switching contact elements in a closed or open position.
  • the separation lines open into arc chambers without special arc extinguishing equipment.
  • a permanent magnet is mounted above each arc chamber, from the two end faces of two pole plates extend laterally next to the arc chamber. The permanent magnets and pole plates blow arcing occurring during separation of the switching contacts into the arcing chambers.
  • the object of the invention is to be able to produce switching devices with DC switching capability and DC disconnector function cost.
  • the switching device according to the invention for DC applications is based on the idea of resorting to the manufacture of the switching device on the housing of a switching device for AC applications to adapt this housing in a simple manner and with little effort for the DC application.
  • This magnet is integrated in a special housing of the housing of the switching device for AC applications, in which normally a ferromagnetic magnetic field amplifying element for amplifying the intrinsic magnetic field of the arc is housed.
  • At least one permanent outer magnet is externally attached to at least one of the two side walls of the housing. It is expedient if at least one outer magnet is arranged on both side walls. Internal and external magnets, together with their field lines, penetrate the adjacent separating sections of the individual current paths within the housing for increased deflection of arcing.
  • a special feature of the switching device according to the invention for DC applications is that the DC switching capacity of conventional AC switching devices is considerably increased by the introduction of internal magnets. In this case, it is not necessary for each separating section and each extinguishing device to be assigned a single magnet, as is the case in known DC switching devices.
  • a housing for AC switching devices as a switching device for DC applications at least one of the current paths (and in particular at least one of the movable switching contact elements), as required for the AC application, not provided.
  • AC switching devices are generally three- or four-pole, you need in DC switching devices at most two-pole versions. This makes it possible to dispense with the construction of a DC switching device based on the housing for an AC switching device on the third or the fourth current path. This also reduces the manufacturing cost of the DC switching device.
  • the corresponding receiving region of the switching device housing can be used to accommodate an additional (blowing) magnet.
  • the switching devices according to the invention can be designed as ON-OFF switching devices (so-called load switch) or as a power or circuit breaker, the addition of a load switch with an additional functionality, namely the automatic detection and shutdown in the case of a short-circuit current or the like, are provided.
  • FIGS. 1 to 3 a first embodiment of a switching device 10 according to the invention for DC applications is shown, which is constructed on the basis of a switching device for AC applications.
  • the switching device 10 has a switching device housing 12 by two receiving areas 16,18,20 are arranged side by side between two opposite (outer) side walls 14, wherein in each receiving space a flow path 22 is located.
  • each current path 22 comprises a movable switching contact element 24 and two mutually opposite stationary switching contact elements 26, 28, which are each provided with connection terminals 30.
  • the three movable switching contact elements 24 are in common between a closed position ( Fig. 1 ) and an open position ( Fig.
  • each flow path 22 has two separating sections 42, 43 which, when the movable switching contact elements 24 are open, form between their ends and the first and second stationary switching contact elements 26, 28 associated with these ends (see FIG Fig. 2 ).
  • separation lines 42,43 form when opening the three-pole switching device 10 under load arcs, which must be deleted with the help of the arc quenching devices 36,38.
  • DC application of the switching device 10 requires provision of first and second permanent magnets 44, 46 inside the switching device housing 12 Fig. 3 are arranged.
  • the housing 12 has receiving spaces 56 which are assigned to the separating lines 42, 43 and are arranged on both sides of these separating lines. These receiving spaces 56 are used in an AC switching device of recording own magnetic field boosting elements, as required for AC switching devices with smaller short-circuit currents to divert the arc in the arc quenching device 36 and 38, where it then comes to extinguish the arc.
  • the magnetic field strengthening elements are removed, so that the receiving spaces 56 are now free to accommodate the permanent magnets 44,46. It is possible that, unlike in Fig. 3 shown, for example, the middle current path 22 is removed, so that the switching device 10 can be used as a two-pole DC switching device.
  • the first magnets 44 have a magnetic field with field lines in an orientation, which extend transversely to the first separation lines 42 and generate a Lorentz force on arcs along these separation lines 42, which drive the arcs toward the first erasing devices 36.
  • the second magnets 46 in turn generate a magnetic field lines and an alignment, which extend transversely to the second separation lines 43 and generate a Lorentz force on arcs forming along these second separation lines 43, which deflect the arcs in the direction of the second erasers 38.
  • the first magnets 44 are aligned in a line to the adjacent first separation lines 42, while the second magnets 46 are arranged in a line to the adjacent second separation lines 43.
  • Fig. 4 shows a plan view of the housing 12 'of another for DC applications modified switching device 10'.
  • the individual components of the device according to Fig. 4 equal or functionally identical to the individual components of Switching device 10 of FIGS. 1 to 3 are, they are in Fig. 4 with the same reference numerals as in the FIGS. 1 to 3 Mistake.
  • the in the Fig. 3 shown inner magnets 44,46 are in Fig. 4 not drawn, but to be regarded as available.
  • each two first and second permanent outer magnets 44 ', 46' are provided, which in the embodiment according to Fig. 4 are arranged outside on the side walls 14 and are held by disc-shaped holding elements 48,50.
  • the first outer magnets 44 ' have a magnetic field with field lines in an orientation which extend transversely to the separating lines 42,43 and generate a Lorentz force on arcs forming this separating lines 42,43 which directs the arcs in the direction of the first erasing devices 36 float.
  • the three-pole, originally intended for AC applications switching device 10 'after Fig. 4 in relation to the embodiment according to Fig. 3 use even more improved for DC applications, its DC breaking capacity over the DC switching capacity of an AC switching device is significantly improved, without the need for significant structural changes.
  • the three current paths of the switching devices 10 and 10 ' can be connected in series (by external electrical conductors, not shown in the figure) to act as a single-pole DC switching device with a total of six separation sections. But it is also conceivable that of the potential possible three current paths only two are used to realize a two-pole DC switching device. In the case of a four-pole AC switchgear, which is to be modified for DC applications, all four current paths can be connected in series or only two of the current paths can be used as a two-pole DC switching device.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
EP11175842A 2007-11-17 2008-11-07 Commutateur destiné à des applications à courant continu Withdrawn EP2383761A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007054958A DE102007054958A1 (de) 2007-11-17 2007-11-17 Schaltgerät für Gleichstrom-Anwendungen
EP08019482A EP2061053A3 (fr) 2007-11-17 2008-11-07 Commutateur destiné à des applications à courant continu

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP08019482.2 Division 2008-11-07

Publications (1)

Publication Number Publication Date
EP2383761A1 true EP2383761A1 (fr) 2011-11-02

Family

ID=40328454

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08019482A Withdrawn EP2061053A3 (fr) 2007-11-17 2008-11-07 Commutateur destiné à des applications à courant continu
EP11175842A Withdrawn EP2383761A1 (fr) 2007-11-17 2008-11-07 Commutateur destiné à des applications à courant continu

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08019482A Withdrawn EP2061053A3 (fr) 2007-11-17 2008-11-07 Commutateur destiné à des applications à courant continu

Country Status (3)

Country Link
US (1) US7915985B2 (fr)
EP (2) EP2061053A3 (fr)
DE (1) DE102007054958A1 (fr)

Families Citing this family (45)

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WO2011147458A1 (fr) * 2010-05-28 2011-12-01 Abb Research Ltd Commutateur pour courant continu
EP2393094A1 (fr) * 2010-06-07 2011-12-07 Eaton Industries GmbH Unité de commutation dotée d'unités d'extinction d'arc
PL2431989T3 (pl) * 2010-09-20 2015-03-31 Secheron Sa Elektromechaniczny wyłącznik instalacyjny
EP2463878A1 (fr) * 2010-12-07 2012-06-13 Eaton Industries GmbH Commutateur doté d'une chambre d'extinction
EP2463876A1 (fr) * 2010-12-07 2012-06-13 Eaton Industries GmbH Commutateur doté d'une chambre d'extinction
EP2463877A1 (fr) * 2010-12-07 2012-06-13 Eaton Industries GmbH Commutateur doté d'une chambre d'extinction
EP2551867A1 (fr) * 2011-07-28 2013-01-30 Eaton Industries GmbH Protection pour courant continu
JP5777440B2 (ja) * 2011-08-03 2015-09-09 富士通コンポーネント株式会社 電磁継電器及び電磁継電器の製造方法
JP5856426B2 (ja) * 2011-10-07 2016-02-09 富士電機株式会社 接点装置及びこれを使用した電磁接触器
EP2590192A1 (fr) 2011-11-02 2013-05-08 Eaton Industries GmbH Commutateur pour un fonctionnement à courant continu multipolaire
EP2777058B1 (fr) * 2011-11-09 2016-06-15 Eaton Corporation Appareil de commutation électrique doté d'un ensemble d'aimant et première et deuxième chambres de coupure
EP2597665A1 (fr) 2011-11-24 2013-05-29 Eaton Industries GmbH Commutateur pour courant continu doté d'au moins une chambre de commutation
EP2597664A1 (fr) 2011-11-24 2013-05-29 Eaton Industries GmbH Commutateur pour courant continu doté d'au moins une chambre de commutation
EP2597666A1 (fr) 2011-11-24 2013-05-29 Eaton Industries GmbH Commutateur pour courant continu doté d'au moins une chambre de commutation
EP2631928A1 (fr) 2011-11-29 2013-08-28 Eaton Industries GmbH Système d'aimant permanent pour un circuit d'attaque à arc lumineux et appareil de commutation
EP2600371A1 (fr) 2011-11-29 2013-06-05 Eaton Industries GmbH Appareil de commutation pour un fonctionnement à courant continu
EP2600367A1 (fr) 2011-11-29 2013-06-05 Eaton Industries GmbH Appareil de commutation pour applications à courant continu
EP2608234A1 (fr) 2011-12-22 2013-06-26 Eaton Industries GmbH Disjoncteur à courant continu
EP2608236A1 (fr) 2011-12-22 2013-06-26 Eaton Industries GmbH Appareil de commutation approprié au fonctionnement à courant continu
IN2012CH00815A (fr) 2012-03-05 2015-08-21 Gen Electric
JP5966469B2 (ja) * 2012-03-15 2016-08-10 オムロン株式会社 封止接点装置
EP2642500A1 (fr) 2012-03-21 2013-09-25 Eaton Industries GmbH Commutateur CC sans chambres d'extinction
EP2690639A1 (fr) * 2012-07-24 2014-01-29 Gorlan Team, S.L.U. Procédé et dispositif permettant de rompre des courants électriques au moyen d'extinction d'arc
CN104685594B (zh) * 2012-09-27 2017-10-24 伊顿电气Ip两合公司 具有用来与电流方向无关地消灭电弧的装置的直流电开关
DE102012110410A1 (de) * 2012-10-31 2014-04-30 Eaton Industries (Austria) Gmbh Gleichstromschaltgerät
DE102012112202A1 (de) * 2012-12-13 2014-06-18 Eaton Electrical Ip Gmbh & Co. Kg Polaritätsunabhängiges Schaltgerät zum Führen und Trennen von Gleichströmen
US9129761B2 (en) 2012-12-20 2015-09-08 Eaton Electrical Ip Gmbh & Co. Kg Switching device suitable for direct current operation
DE102013111953A1 (de) 2012-12-20 2014-06-26 Eaton Electrical Ip Gmbh & Co. Kg Schaltgerät
US9343251B2 (en) 2013-10-30 2016-05-17 Eaton Corporation Bi-directional direct current electrical switching apparatus including small permanent magnets on ferromagnetic side members and one set of arc splitter plates
WO2016088402A1 (fr) 2014-12-05 2016-06-09 オムロン株式会社 Relais électromagnétique
JP2016110843A (ja) 2014-12-05 2016-06-20 オムロン株式会社 電磁継電器
JP6414453B2 (ja) * 2014-12-05 2018-10-31 オムロン株式会社 電磁継電器
DE102015000796B4 (de) * 2015-01-22 2017-03-02 Schaltbau Gmbh Schaltgerät mit permanentmagnetischer Lichtbogenlöschung
KR101943363B1 (ko) * 2015-04-13 2019-04-17 엘에스산전 주식회사 전자개폐기
US11239038B2 (en) * 2015-05-18 2022-02-01 Gigavac, Llc Mechanical fuse device
US10566160B2 (en) * 2015-05-18 2020-02-18 Gigavac, Llc Passive triggering mechanisms for use with switching devices incorporating pyrotechnic features
DE102017106300B4 (de) * 2017-03-23 2023-07-27 Schaltbau Gmbh Schaltgerät mit verbesserter permanentmagnetischer Lichtbogenlöschung
DE102017125685A1 (de) * 2017-11-03 2019-05-09 Schaltbau Gmbh Schaltgerät mit Lichtbogenlöscheinrichtung und Lichtbogenführung
DE102018204104A1 (de) * 2018-03-16 2019-09-19 Ellenberger & Poensgen Gmbh Schalteinheit zur Trennung eines Stromkreises und Schutzschalter
GB2576338A (en) * 2018-08-15 2020-02-19 Eaton Intelligent Power Ltd Switching device and method for operating a switching device
US11276535B2 (en) * 2018-08-28 2022-03-15 Gigavac, Llc Passive triggering mechanisms for use with switching devices incorporating pyrotechnic features
FR3095890B1 (fr) * 2019-05-06 2021-07-16 Schneider Electric Ind Sas Pôle limiteur d’interrupteur électrique et interrupteur électrique à courant continu comportant un tel pôle limiteur
US11443910B2 (en) 2019-09-27 2022-09-13 Gigavac, Llc Contact levitation triggering mechanisms for use with switching devices incorporating pyrotechnic features
KR102349754B1 (ko) * 2019-12-06 2022-01-11 엘에스일렉트릭(주) 아크 박스 및 이를 포함하는 전자 접촉기
KR102578555B1 (ko) * 2020-03-13 2023-09-14 엘에스일렉트릭(주) 기중 차단기

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DE3409564A1 (de) 1983-03-17 1984-09-20 Fuji Electric Co., Ltd., Kawasaki, Kanagawa Lichtbogenloescheinrichtung
EP0217106A2 (fr) 1985-08-30 1987-04-08 Licentia Patent-Verwaltungs-GmbH Dispositif d'extinction pour disjoncteur de puissance tout courant
EP0341690A2 (fr) * 1988-05-11 1989-11-15 Omron Tateisi Electronics Co. Interrupteur à contacts
DE69308772T2 (de) * 1992-12-10 1997-11-27 Schneider Electric Sa Moduläre Lastschalter für Gleichstrom
US5416455A (en) * 1994-02-24 1995-05-16 Eaton Corporation Direct current switching apparatus
EP0980085B1 (fr) 1998-08-13 2006-11-22 Siemens Aktiengesellschaft Disjoncteur de puissance à bobine de soufflage actionné par l'arc
DE19943965A1 (de) * 1999-09-14 2001-03-15 Moeller Gmbh Niederspannungsschaltgerät
DE10212948B4 (de) 2001-03-28 2006-11-09 Schaltbau Gmbh Schütz für AC- und DC-Betrieb
DE10352934B4 (de) 2003-11-11 2005-12-22 Siemens Ag Lichtbogen-Löschvorrichtung
EP1594148A1 (fr) 2004-05-05 2005-11-09 ABB PATENT GmbH Dispositif d'extinction d'arc pour disjoncteur
EP1693869A2 (fr) * 2005-02-17 2006-08-23 ABB PATENT GmbH Dispositif d'installation électrique avec préchambre d'extinction d'arc, séparateurs de préchambre et dispositif d'extinction d'arc à limitation de courant
DE202005007878U1 (de) 2005-05-19 2006-09-28 Schaltbau Gmbh Löschkammer
EP1863056A1 (fr) * 2006-06-02 2007-12-05 Mitsubishi Electric Corporation Disjoncteur

Also Published As

Publication number Publication date
EP2061053A3 (fr) 2010-05-12
DE102007054958A1 (de) 2009-06-04
US20090127229A1 (en) 2009-05-21
EP2061053A2 (fr) 2009-05-20
US7915985B2 (en) 2011-03-29

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