EP2718950A1 - Contacteur - Google Patents

Contacteur

Info

Publication number
EP2718950A1
EP2718950A1 EP12743109.6A EP12743109A EP2718950A1 EP 2718950 A1 EP2718950 A1 EP 2718950A1 EP 12743109 A EP12743109 A EP 12743109A EP 2718950 A1 EP2718950 A1 EP 2718950A1
Authority
EP
European Patent Office
Prior art keywords
switching point
switching
contact
movable contact
contact piece
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
EP12743109.6A
Other languages
German (de)
English (en)
Other versions
EP2718950B1 (fr
Inventor
Manfred Meinherz
Clemens RÜTHNICK
Bernd WÖLKERLING
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP2718950A1 publication Critical patent/EP2718950A1/fr
Application granted granted Critical
Publication of EP2718950B1 publication Critical patent/EP2718950B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • H01H33/143—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc of different construction or type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches

Definitions

  • the invention relates to a switching device with a Un ⁇ terbrecherhotel, which has a first and a second switching ⁇ body with each relatively movable contact pieces, wherein the first switching point via an axially displaceable contact pin with the second switching point electrically in series is interconnected and at one
  • Such a switching device is known for example from the European a ⁇ pean patent application EP 0070794 A2.
  • the local switching device is equipped with a first and a second switching ⁇ site, which are arranged axially one behind the other net.
  • the two switching points are electrically connected in series via a contact pin, wherein the Maisbol ⁇ zen is axially displaceable.
  • Such a construction has the disadvantage that, due to the axial succession of the switching points, a comparatively long switching device is produced.
  • the object is achieved in a switching device of the type mentioned in that a movable contact piece slidably seated on the movable contact pin.
  • the two switching points are each limited by relatively movable contact pieces.
  • the two switching points are each limited by relatively movable contact pieces.
  • the contact pin can serve as the only element of an immediate contacting of contact pieces of the two switching points. However, it can also be provided that the contact pin is formed only as a portion of the two switching points connecting conductor track. A Aufsitzen a movable contact piece on the contact pin allows a deviation from the known axially successive arrangement of the switching paths.
  • the second switching point can also use a space located radially around the contact pin. Sliding seating further enables the movable sliding contact piece to move together with or independently of the contact pin, thus providing a facilitated effect on timing of switching times of the two switch points.
  • the contact pin passes through the radially encircling contact piece.
  • the possibility is still given to effect on the contact pin both a drive of the first switching point and a drive of the second switching point.
  • This can be coupled via one and the same drive device, a movement on the movable contact pin and the contact pin a corresponding activation of the first or the second switching point are triggered.
  • the movements can also be controlled independently. For example, the movements can be based on different drives.
  • An interrupter assembly comprising a first and a second switching path makes it possible to form variously constructed switching points, wherein exist due to a temporal staggering of the switching times of the two switching points of the switching points each having different technical Anfor ⁇ requirements.
  • Due to the series connection it is possible, for example, that during a switch-off operation, a switch-off arc first burns in the first switch point, whereupon an opening of the second switch point takes place.
  • This time scale can vary as needed.
  • an opening of the second switching point takes place only when, with great certainty, an opening arc has already extinguished in the first switching point.
  • opening of the second switching point already takes place when a burning of a switch-off arc in the first switching point is still to be expected.
  • a further advantageous embodiment may provide that the contact pin part of a movable contact piece of is first switching point and is assigned to the movable contact ⁇ bolt seated contact piece of the second switching point.
  • the contact pin as part of the movable contact piece of the first switching point and a seating of the movable contact piece on the contact pin a direct electrically conductive connection for producing a series connection between the two switching points is possible.
  • the first switching and the second switching ⁇ point can be electrically conductively connected to one another via a sliding contact arrangement, for example.
  • An immediate Aufsitzen the movable contact piece on the Kon ⁇ clock pin allows further to arrange the two contact points spatially close to each other, so that an axial distance between them is reduced and a short-sized switching device is made possible. If necessary, the
  • Switch points overlap each other in the radial direction.
  • the first switching point is designed as a vacuum interrupter.
  • a vacuum interrupter has the advantage that the
  • Switching between the relatively movable contact pieces is arranged within a closed space. This prevents the ingress of dirt into the switching point.
  • the closed room is evacuated.
  • a vacuum has a high dielectric strength even at short distances. This makes it possible, with relatively small relative movements of the contacts of a switching point of a vacuum interrupter to control each other a high switching capacity.
  • the second switching ⁇ point in an alternative cost-effective design embody.
  • a flooding with an electrically insulating gas or an electrically insulating liquid may be provided for the second switching ⁇ point , wherein the passing through the second switching point
  • the electrically insulating fluid should also circulate the vacuum interrupter of the first switching point. If necessary, the electrically insulating fluid can be arranged within an encapsulating housing surrounding the switching elements , within which the electrically insulating fluid is placed under an increased pressure.
  • an electrically insulating fluid for example, insulating liquids, Schwefelhexa- fluoride gas, nitrogen gas or other compressible
  • An advantageous embodiment may further provide that the contact pin is a contact stem of a movable contact piece of the vacuum interrupter.
  • a vacuum interrupter has a switching point in its interior.
  • the switching point is limited by relatively zueinan ⁇ the movable contacts.
  • a contact stem is formed before ⁇ geous electrically conductive, so that via this on the one hand an electrical contact of the switching point is possible.
  • thermal energy can be dissipated from the interior of the vacuum interrupter via the contact stem.
  • a contact stem of a vacuum interrupter for carrying a movable contact piece of the second switching point
  • the movable contact piece of the vacuum interrupter is given the opportunity to use guide elements together for moving ⁇ parts of the first and the second switching point.
  • This can be a compact design switching device are formed, which builds short due to the seating of the movable contact piece on the contact pin in the axial direction and reduces the complexity of the switching device to each other by a common support and mechanical guidance of the switching points.
  • Figure 2 shows the first switching point in an intermediate state and the second switching point in the closed state and the
  • FIG. 1 shows the switching device in a schematic representation.
  • the switching device has a first switching point 1 as ⁇ a second switching point 2.
  • the first switching point 1 is part of a vacuum interrupter.
  • the vacuum interrupter is equipped with a fluid-tight housing 3, which acts at ⁇ example, electrically insulating.
  • the housing 3 is penetrated by relatively movable contact pieces 4, 5 of the first switching point 1. In this case, the first one
  • Switching point 1 a fixed contact piece 4 and a be ⁇ wegbares contact piece 5 on.
  • the two contact pieces 4, 5 of the first switching point 1 face each other frontally Located overhead.
  • the fixed contact piece 4 is rigidly connected to the housing 3 and passes through this housing 3 fluid-tight.
  • At the outside of the housing 3 befind ⁇ union end of the fixed contact piece 4 of the first switching point 1, a first contact point 6 of the Un ⁇ terbrecherü is arranged.
  • the movable contact piece 5 also passes through the housing 3. It is provided that the housing 3 has a shape-changeable portion 7 on ⁇ , so that a relative movement of the movable contact piece 5 of the first switching point 1 relative to the fixed contact piece 4 of the first switching point 1 allows is.
  • Vorlie ⁇ vicinity of the shape-changing portion is carried out 7 in the manner of a bellows, which is fluid-tightly traversed by the bewegba ⁇ ren contact piece 5 of the first switching. 1
  • the two contact pieces 4, 5 of the first switching point 1 wei ⁇ sen at their ends facing radially expanded portions which limit the switching point 1.
  • the two contact pieces 4, 5 of the first switching point 1 are each equipped with contact stems 8a, 8b.
  • the contact posts 8a, 8b respectively pass through the housing 3.
  • the first contact point 6 of the interrupter unit is arranged on the contact stem 8a of the fixed contact piece 4 of the first switching point 1.
  • the two contact pieces 4, 5 are movable relative to each other along a longitudinal axis 9.
  • the longitudinal axis 9 lies in each case in the longitudinal axis of the two contact posts 8a, 8b.
  • the movable contact piece 5 of the first switching point 1 with its contact stem 8b is axially displaceable along the longitudinal axis 9.
  • an insulating rod 10 is coupled on the side facing away from the first switching point 1 end of the contact stem 8b of the movable contact ⁇ piece 5 . Is about the iso ⁇ lierstange 10 movement in the direction of the longitudinal axis 9 is transferred to the movable contact piece 5 of the first switchboard 1, so as to allow a relative movement between the two contact pieces 4, 5 of the first switching.
  • the insulating rod 10 is adjacent to the side facing away from the first switching point 1 the end of the contact 8b of the stem be ⁇ wegbaren contact piece 5 of the first switching.
  • a movable contact piece 11 of the second switching point 2 is arranged.
  • the be ⁇ movable contact piece 11 of the second switching point 2 has a sleeve 12 which engages the contact stem 8b of the movable contact piece 5 of the first switching point 1 on the shell side ⁇ .
  • a sliding contact arrangement for example, reversibly deformable contact fingers or ⁇ formed spring elements arranged.
  • other electrical Kunststoffie- can 11 of the second switching point ⁇ tion of the movable contact piece 2 and be provided the movable contact piece 5 of the first switching.
  • Angle rigidly connected to the sleeve 12 extends a radially from the main axis 9 fortragendes support member of the movable contact piece 11 of the second switching point 2.
  • an annular circumferential contact ⁇ surface 13 is arranged.
  • the annular contact surface 13 of the movable contact piece 11 of the second switching point 2 is a contacting with a counter-shaped contact surface of a fixed contact piece 14 of the two ⁇ th switching point 2 possible. Between the contact surfaces of the fixed contact piece 14 and the movable contact piece 11 of the second switching point 2, a switching path of the second switching point 2 is arranged.
  • the contact pieces 11, 14 of the second switching point 2 are substantially annular and coaxial with the longitudinal axis 9 angeord ⁇ net, wherein the two contact pieces 11, 14 of the second
  • Switching point 2 of the contact stem 8b of the movable Kon ⁇ tact piece of the first switching point 1 are interspersed.
  • a second contact point 15 of the Unterbre ⁇ cherrange the switching device is electrically connected.
  • the two contact points 6, 15 is the Unterbre ⁇ cherrange with the two switching points 1, 2, which
  • the possi ⁇ probability is given to transmit a movement to the movable contact piece 11 of the second switching point 2 in a movement of the insulating rod 10 so ⁇ as the coupled thereto Kunststoffgel 8b of the movable contact piece 5 of the first switching point.
  • the position of the stop 17 is selected such that at a switch-on initially the Kon ⁇ tact pieces 11, 14 of the second switching point 2 each other berüh- ren.
  • Switching point 1, 2 described a sequence of a switch-on.
  • the insulating rod 10 By means of the insulating rod 10 to move in the direction of the longitudinal axis 9 is transmitted to the contact stem 8b of the ⁇ be wegbaren contact piece 5 of the first switchboard 1 and subs ⁇ Lich on the sleeve 12 of the movable contact piece 11 of the second switching point. 2
  • a movement in an engagement is provided in the direction of arrow 16.
  • According to the movement of the insulating rod 10 it follows ⁇ a movement of the movable contact piece 11 of the second switching point 2 in the direction of the fixed contact Pieces 14 of the second switching point 2.
  • Insulating rod 10 and the contact stem 8b against the force of the spring 18 continued (see Fig. 2).
  • the movement of the insulating rod 10 in the direction of the longitudinal axis 9 is continued ⁇ sets until a contact of the two contact pieces 4, 5 of the first switching point 1 is done.
  • a closing movement of the interruption distance of the switching device is completed.
  • a disconnection of a switching-on movement with the opposite direction sense a movement of the insulating rod 10, together with the attached stem contact 8b is carried out be ⁇ delay.
  • the movable contact piece 11 is independent of a movement of the contact stem 8b and the movable contact piece 5 of the first switching point 1 is movable ⁇ bar.
  • the movable contact pieces 5, 11 of the first and second switching point 1, 2 can be moved by separate drives or special gear arrangements.

Landscapes

  • Push-Button Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

Contacteur présentant une distance disruptive. La distance disruptive est pourvue d'un premier et d'un deuxième relais (1, 2). Au cours d'une opération de commutation, les deux relais (1, 2) sont actionnés de telle sorte que le premier relais (1) agisse avant le deuxième (2), en cas de désactivation, et après le deuxième (2), en cas d'activation. Le premier (1) et le deuxième relais (2) sont commutés électriquement en série par un boulon de contact (8b) amovible de façon axiale. Un élément de contact (11) mobile repose et coulisse sur le boulon de contact (8b) amovible.
EP12743109.6A 2011-07-28 2012-07-20 Appareil de commutation Not-in-force EP2718950B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011079969A DE102011079969A1 (de) 2011-07-28 2011-07-28 Schaltgerät
PCT/EP2012/064247 WO2013014070A1 (fr) 2011-07-28 2012-07-20 Contacteur

Publications (2)

Publication Number Publication Date
EP2718950A1 true EP2718950A1 (fr) 2014-04-16
EP2718950B1 EP2718950B1 (fr) 2016-12-28

Family

ID=46604281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12743109.6A Not-in-force EP2718950B1 (fr) 2011-07-28 2012-07-20 Appareil de commutation

Country Status (5)

Country Link
EP (1) EP2718950B1 (fr)
AU (1) AU2012288979B2 (fr)
CA (1) CA2843031A1 (fr)
DE (1) DE102011079969A1 (fr)
WO (1) WO2013014070A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015204668A1 (de) 2015-03-16 2016-09-22 Siemens Aktiengesellschaft Schaltgerät mit einer ersten Schalteinrichtung und einer separat gekapselten zweiten Schalteinrichtung
DE102020205784A1 (de) 2020-03-31 2021-09-30 Siemens Aktiengesellschaft Schaltgerät mit Kommutierungsstrompfad

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3038980A (en) * 1959-12-17 1962-06-12 Gen Electric Vacuum-type circuit interrupter
JPS5812230A (ja) 1981-07-16 1983-01-24 富士電機株式会社 断路器付真空負荷開閉器
FR2733086B1 (fr) * 1995-04-14 1997-06-06 Schneider Electric Sa Dispositif de coupure hybride a haute tension
DE19958645C5 (de) 1999-12-06 2011-05-26 Abb Technology Ag Hybridleistungsschalter
FR2826503B1 (fr) * 2001-06-25 2003-09-05 Alstom Chambre de coupure avec ampoule a vide
FR2840729B1 (fr) * 2002-06-05 2004-07-16 Alstom Dispositif interrupteur pour haute ou moyenne tension, a coupure mixte par vide et gaz
DE102007038898B3 (de) * 2007-08-13 2008-11-20 Siemens Ag Schalteranordnung für eine Schaltanlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013014070A1 *

Also Published As

Publication number Publication date
AU2012288979A1 (en) 2014-01-30
CA2843031A1 (fr) 2013-01-31
AU2012288979B2 (en) 2016-09-08
EP2718950B1 (fr) 2016-12-28
DE102011079969A1 (de) 2013-01-31
WO2013014070A1 (fr) 2013-01-31

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