EP3047496B1 - Connection piece for a switch pole of a switching apparatus - Google Patents

Connection piece for a switch pole of a switching apparatus Download PDF

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Publication number
EP3047496B1
EP3047496B1 EP14786834.3A EP14786834A EP3047496B1 EP 3047496 B1 EP3047496 B1 EP 3047496B1 EP 14786834 A EP14786834 A EP 14786834A EP 3047496 B1 EP3047496 B1 EP 3047496B1
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EP
European Patent Office
Prior art keywords
connection
connection piece
vacuum interrupter
switch pole
connector
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EP14786834.3A
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German (de)
French (fr)
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EP3047496A1 (en
Inventor
Rainer Melchior
Fabian RÖHRIG
Unni Suresh
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Siemens AG
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Siemens AG
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Publication of EP3047496A1 publication Critical patent/EP3047496A1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5833—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal
    • 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
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • 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
    • H01H33/6606—Terminal arrangements
    • 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
    • H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles

Definitions

  • the invention relates to a connector for a switch pole of a switching device.
  • WO 2007/016882 A1 is a switch pole of a switching device known in which a vacuum interrupter is centered and held by means of a centering ring in the pole housing.
  • a flexible current band is provided for electrically conductive connection of a Bewegumblean gleichbolzens with a connector of the Heidelbergerpoles.
  • the DE8535717U1 , the JP2009021124A and GB1206297A disclose fittings that have at least partially sliding or rolling bearings for electrical contact.
  • Object of the present invention is to provide a connector for a switch pole of a switching device with which the Wegerpol improved properties with respect to centering and current carrying capacity.
  • a connector In a switch pole for a switching device, for example, a medium-voltage circuit breaker for switchgear in the field of power distribution, the connector is provided on the one hand for the electrically conductive connection of the Bewegumblean gleichbolzens a arranged in the switch pole vacuum interrupter and on the other hand for connection to a current-carrying component of the switchgear, in which the switching device is typically three-phase formed with a pole for each phase and is connected to a control device, which control device is a control signal for switching or interrupting the guided via the switching device current to the switching device.
  • the connector according to the invention is particularly advantageous and leads to improved properties of the switch pole, because a current path between the Beweg.an gleichbolzen the vacuum interrupter and the connection area is formed by the centering, which is electrically conductively connected to a terminal portion of the connector and mechanically coupled thereto which in addition to a flexible current band, which connects the Beweg.an gleichbolzen with the connector, leads to increased current carrying capacity of the Wegerpoles.
  • the centering ring on a bushing guide for the BewegCountan gleichbolzen in the form of an electrically conductive sliding bearing.
  • the centering on ventilation openings.
  • a cooling effect of the connector is given, which further the current carrying capacity of the entire arrangement is improved.
  • the bushing guide is provided with contact surfaces which correspond to a wrench size of the Beweg.an gleichbolzens.
  • Such contact surfaces in the bushing guide with a wrench size, which corresponds to the Beweg.an gleichbolzen-wrench size, are particularly advantageous because it simplifies the mounting of the Weg.an gleichbolzens because in particular during assembly and centering of the vacuum interrupter the BewegTypean gleichbolzen the vacuum interrupter does not need to be kept separate, but by the contact surface of the bushing guide is held and secured against twisting.
  • FIG. 1 shows a three-dimensional view of a connector 1 for electrically conductive connection with a BewegCountan gleichbolzen arranged in a Wegerpol a switching device vacuum interrupter (figuratively in the FIG. 1 not shown), wherein the connector 1 has a connection portion 2, which fastening means 3 and 4 for electrically conductive connection with current-carrying components of the switchgear, in which the switching device is used comprises. Furthermore, fastening means 5, 6 are provided, which for fastening a flexible current band (with respect to the FIG. 2 further explained below) are provided, which flexible current band with the BewegTypean gleichbolzen the vacuum interrupter of the switching device is also electrically connected.
  • the connector 1 further comprises a centering ring 9, whose inner diameter 10 corresponds to the outer diameter of the vacuum interrupter of the switch pole, so that the centering ring 9 is suitable for centering and holding the vacuum interrupter.
  • the centering ring 9 has a bushing guide 11, through which a BewegCountan gleichbolzen the vacuum interrupter can extend through and in which the BewegCountan gleichbolzen the vacuum interrupter is performed.
  • 11 contact surfaces 12 are provided above the bushing guide whose key width correspond to a wrench size of the Beweg.an gleichbolzens, so that at the same time during the assembly of the Wegressan gleichbolzens or attaching the vacuum interrupter a rotation for the Beweg.an gleichbolzen is formed.
  • Air vents only one of which is exemplified by 13, are provided within the centering ring 9 to allow and ensure air circulation and thus contribute to a cooling effect of the entire assembly.
  • Connecting means 14 and 15 connect the centering ring 9 with the terminal portion 2 of the connector 1 and attach the centering ring 9 at the connection area 2 and thus form the connector 1, wherein the connector 1 in total, including in particular the connecting means 14 and 15 and the centering ring 9 with its bushing guide 11 is formed of conductive material, so that via the bushing guide 11, through which a sliding bearing for the Beweg.an gleichbolzen is formed, the centering ring 9 and the connecting means 14 and 15, a current path is formed over the at least partially via the vacuum interrupter Guided current to the terminal portion 2 of the connector 1 and thus to the connected to the connector 1 electrically conductive current parts of the switchgear can flow.
  • FIG. 2 shows a partial sectional view through a switch pole 16 of a switching device not shown in detail, which may be provided for example as a medium-voltage circuit breaker for a switchgear of the power distribution and is typically formed over three phases, each with a switch pole 16 for each phase.
  • the GmbHerpol 16 includes a vacuum interrupter 17, which comprises a contact system (figuratively not shown) from a moving contact and a fixed contact, wherein the moving contact via a BewegCountan gleichbolzen 18 and an insulating drive rod 19 with a figuratively also not shown drive for initiating a drive movement in the BewegCountan gleichbolzen 18 is mechanically coupled to close or open the contact system and thus switching or interrupting the guided over the Wegerpol 16 current.
  • the insulating drive rod 19 is mechanically coupled via fastening means 20 with the BewegTypean gleichbolzen 18.
  • the switch pole further comprises a pole housing 21, which is typically made of an insulating material, such as epoxy resin or the like, and is used for electrical isolation of the individual switch poles against each other and against grounded housing components of the switching device.
  • the connector 1 is provided in the Wegerpol 16 for electrically conductive connection to the BewegTypean gleichbolzen 18 and the electrical connection to power leading, figuratively not shown parts of the switchgear in which the switching device is used and is electrically conductive via a flexible current band 22 to the Beweg.an gleichbolzen 18th connected.
  • the BewegCountan gleichbolzen 18 is guided in the bushing guide 11, through which bushing guide 11 at the same time an electrically conductive sliding bearing is formed. Due to the formation of the connecting piece 1 a total of a conductive material is formed by the sliding bearing of the bushing guide 11 and the connecting means 14 and 15 next to the flexible current band 22, a further current path to the terminal portion 2 of the connector 1, so that through the connector 1 a total of greater current carrying capacity of the Wegerpoles guaranteed and trained.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Slide Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Manufacture Of Switches (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Description

Die Erfindung betrifft ein Anschlussstück für einen Schalterpol eines Schaltgerätes.The invention relates to a connector for a switch pole of a switching device.

Aus der WO 2007/016882 A1 ist ein Schalterpol eines Schaltgerätes bekannt, bei dem eine Vakuumschaltröhre mittels eines Zentrierringes im Polgehäuse zentriert und gehalten ist. Ein flexibles Stromband ist dabei zum elektrische leitenden Verbinden eines Bewegkontaktanschlussbolzens mit einem Anschlussstück des Schalterpoles vorgesehen.From the WO 2007/016882 A1 is a switch pole of a switching device known in which a vacuum interrupter is centered and held by means of a centering ring in the pole housing. A flexible current band is provided for electrically conductive connection of a Bewegkontaktanschlussbolzens with a connector of the Schalterpoles.

Die DE8535717U1 , die JP2009021124A und GB1206297A offenbaren Anschlussstücke, die zumindest teilweise über Gleit- oder Rolllager zur elektrischen Kontaktierung verfügen.The DE8535717U1 , the JP2009021124A and GB1206297A disclose fittings that have at least partially sliding or rolling bearings for electrical contact.

Aufgabe der vorliegenden Erfindung ist es, ein Anschlussstück für einen Schalterpol eines Schaltgerätes anzugeben, mit dem der Schalterpol verbesserte Eigenschaften bezüglich Zentrierung und Stromtragfähigkeit aufweist.Object of the present invention is to provide a connector for a switch pole of a switching device with which the Schalterpol improved properties with respect to centering and current carrying capacity.

Erfindungsgemäß gelöst wird dies durch ein Anschlussstück gemäß Anspruch 1. Bei einem Schalterpol für ein Schaltgerät, beispielsweise ein Mittelspannungsleistungsschalter für Schaltanlagen im Bereich der Energieverteilung ist das Anschlussstück einerseits vorgesehen zur elektrisch leitenden Verbindung des Bewegkontaktanschlussbolzens einer im Schalterpol angeordneten Vakuumschaltröhre und andererseits zum Verbinden mit einem Strom führenden Bauteil der Schaltanlage, in welcher das Schaltgerät ist typischerweise dreiphasig ausgebildet mit einem Pol für jede Phase und ist mit einer Steuerungseinrichtung verbunden, welche Steuerungseinrichtung ein Steuerungssignal zum Schalten bzw. Unterbrechen des über das Schaltgerät geführten Stromes an das Schaltgerät gibt. Das erfindungsgemäße Anschlussstück ist dabei besonders vorteilhaft und führt zu verbesserten Eigenschaften des Schalterpoles, weil durch den Zentrierring, welcher mit einem Anschlussbereich des Anschlussstückes über Verbindungsmittel elektrisch leitend verbunden und daran mechanisch gekoppelt ist, ein Strompfad zwischen dem Bewegkontaktanschlussbolzen der Vakuumschaltröhre und dem Anschlussbereich gebildet ist, welcher neben einem flexiblen Stromband, welches den Bewegkontaktanschlussbolzen mit dem Anschlussstück verbindet, zu einer erhöhten Stromtragfähigkeit des Schalterpoles führt.This is achieved by a connector according to claim 1. In a switch pole for a switching device, for example, a medium-voltage circuit breaker for switchgear in the field of power distribution, the connector is provided on the one hand for the electrically conductive connection of the Bewegkontaktanschlussbolzens a arranged in the switch pole vacuum interrupter and on the other hand for connection to a current-carrying component of the switchgear, in which the switching device is typically three-phase formed with a pole for each phase and is connected to a control device, which control device is a control signal for switching or interrupting the guided via the switching device current to the switching device. The connector according to the invention is particularly advantageous and leads to improved properties of the switch pole, because a current path between the Bewegkontaktanschlussbolzen the vacuum interrupter and the connection area is formed by the centering, which is electrically conductively connected to a terminal portion of the connector and mechanically coupled thereto which in addition to a flexible current band, which connects the Bewegkontaktanschlussbolzen with the connector, leads to increased current carrying capacity of the Schalterpoles.

In einer vorteilhaften Ausgestaltung der Erfindung weist der Zentrierring eine Buchsenführung für den Bewegkontaktanschlussbolzen in Form eines elektrisch leitenden Gleitlagers auf. Durch das elektrisch leitende Gleitlager der Buchsenführung für den Bewegkontaktanschlussbolzen der Vakuumschaltröhre im Zentrierring ist einerseits die Stromtragfähigkeit des Schalterpoles erhöht, weil über das elektrisch leitende Gleitlager und den Zentrierring sowie die elektrisch leitenden Verbindungsmittel des Anschlussstückes zum Verbinden des Zentrierringes mit dem Anschlussstück der zusätzliche Strompfad zum über das flexible Stromband gebildeten Strompfad ausgebildet ist, und andererseits eine sichere Führung des Bewegkontaktanschlussbolzens der Vakuumschaltröhre durch die Buchsenführung ermöglicht ist.In an advantageous embodiment of the invention, the centering ring on a bushing guide for the Bewegkontaktanschlussbolzen in the form of an electrically conductive sliding bearing. By the electrically conductive sliding bearing bushing for the Bewegkontaktanschlussbolzen the vacuum interrupter in the centering one hand, the current carrying capacity of the Schalterpoles is increased because of the electrically conductive slide bearing and the centering ring and the electrically conductive connection means of the connector for connecting the centering ring with the connector of the additional current path to the flexible current band formed current path is formed, and on the other hand, a secure guidance of Bewegkontaktanschlussbolzens the vacuum interrupter is made possible by the bushing guide.

In einer besonders vorteilhaften Ausgestaltung der Erfindung weist der Zentrierring Belüftungsöffnungen auf. Durch derartige Belüftungsöffnungen im Zentrierring ist ein Kühlungseffekt des Anschlussstückes gegeben, wodurch weiterhin die Stromtragfähigkeit der gesamten Anordnung verbessert ist.In a particularly advantageous embodiment of the invention, the centering on ventilation openings. Through such ventilation openings in the centering a cooling effect of the connector is given, which further the current carrying capacity of the entire arrangement is improved.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist die Buchsenführung mit Anlageflächen versehen, die einer Schlüsselweite des Bewegkontaktanschlussbolzens entsprechen. Derartige Anlageflächen in der Buchsenführung mit einer Schlüsselweite, welcher der Bewegkontaktanschlussbolzen-Schlüsselweite entspricht, sind besonders vorteilhaft, weil dadurch die Montage des Schalterpoles vereinfacht ist, weil insbesondere bei der Montage und Zentrierung der Vakuumschaltröhre der Bewegkontaktanschlussbolzen der Vakuumschaltröhre nicht gesondert gehalten werden muss, sondern durch die Anlagefläche der Buchsenführung gehalten und gegen ein Verdrehen gesichert ist.In a further advantageous embodiment of the invention, the bushing guide is provided with contact surfaces which correspond to a wrench size of the Bewegkontaktanschlussbolzens. Such contact surfaces in the bushing guide with a wrench size, which corresponds to the Bewegkontaktanschlussbolzen-wrench size, are particularly advantageous because it simplifies the mounting of the Schalterpoles because in particular during assembly and centering of the vacuum interrupter the Bewegkontaktanschlussbolzen the vacuum interrupter does not need to be kept separate, but by the contact surface of the bushing guide is held and secured against twisting.

Die Erfindung wird im Folgenden anhand der Zeichnung sowie eines Ausführungsbeispiels mit Bezug auf die beiliegenden Figuren näher erläutert. Es zeigen:

Figur 1
eine dreidimensionale Ansicht eines Ausführungsbeispiels eines erfindungsgemäßen Anschlussstückes; und
Figur 2
eine teilweise Schnittansicht durch einen Schalterpol eines Schaltgerätes mit einem erfindungsgemäßen Anschlussstück.
The invention is explained in more detail below with reference to the drawing and an embodiment with reference to the accompanying figures. Show it:
FIG. 1
a three-dimensional view of an embodiment of a connector according to the invention; and
FIG. 2
a partial sectional view through a switch pole of a switching device with a connector according to the invention.

Figur 1 zeigt eine dreidimensionale Ansicht eines Anschlussstückes 1 zum elektrisch leitenden Verbinden mit einem Bewegkontaktanschlussbolzen einer in einem Schalterpol eines Schaltgerätes angeordneten Vakuumschaltröhre (figürlich in der Figur 1 nicht dargestellt), wobei das Anschlussstück 1 einen Anschlussbereich 2 aufweist, welcher Befestigungsmittel 3 und 4 zum elektrisch leitenden Verbinden mit Strom führenden Bauteilen der Schaltanlage, in welcher das Schaltgerät eingesetzt wird, aufweist. Weiterhin sind Befestigungsmittel 5, 6 vorgesehen, welche zur Befestigung eines flexiblen Strombandes (mit Bezug auf die Figur 2 weiter unten näher erläutert) vorgesehen sind, welches flexible Stromband mit dem Bewegkontaktanschlussbolzen der Vakuumschaltröhre des Schaltgerätes ebenfalls elektrisch leitend verbunden ist. Weitere Befestigungsmittel 7, 8 sind zur Befestigung des Anschlussstückes 1 am Schalterpol bzw. am Polgehäuse, welches typischerweise aus einem isolierenden Material ausgebildet ist, vorgesehen. Das Anschlussstück 1 umfasst weiterhin einen Zentrierring 9, dessen Innendurchmesser 10 dem Außendurchmesser der Vakuumschaltröhre des Schalterpoles entspricht, so dass der Zentrierring 9 zur Zentrierung und Halterung der Vakuumschaltröhre geeignet ist. Der Zentrierring 9 verfügt über eine Buchsenführung 11, durch welche sich hindurch ein Bewegkontaktanschlussbolzen der Vakuumschaltröhre hindurch erstrecken kann und in der der Bewegkontaktanschlussbolzen der Vakuumschaltröhre geführt ist. Weiterhin sind oberhalb der Buchsenführung 11 Anlageflächen 12 vorgesehen, deren Schlüsselweite einer Schlüsselweite des Bewegkontaktanschlussbolzens entsprechen, so dass gleichzeitig bei der Montage des Schalterpoles bzw. dem Anbringen der Vakuumschaltröhre ein Verdrehschutz für den Bewegkontaktanschlussbolzen ausgebildet ist. Belüftungsöffnungen, von denen nur eine beispielhaft mit 13 bezeichnet ist, sind innerhalb des Zentrierringes 9 vorgesehen, um eine Luftzirkulation zu ermöglichen und zu gewährleisten und so zu einem Kühlungseffekt der gesamten Anordnung beizutragen. Verbindungsmittel 14 und 15 verbinden den Zentrierring 9 mit dem Anschlussbereich 2 des Anschlussstückes 1 und befestigen den Zentrierring 9 am Anschlussbereich 2 und bilden so das Anschlussstück 1 aus, wobei das Anschlussstück 1 insgesamt, also auch insbesondere die Verbindungsmittel 14 und 15 sowie der Zentrierring 9 mit seiner Buchsenführung 11, aus leitendem Material ausgebildet ist, so dass über die Buchsenführung 11, durch die auch ein Gleitlager für den Bewegkontaktanschlussbolzen gebildet ist, den Zentrierring 9 und die Verbindungsmittel 14 und 15 ein Strompfad ausgebildet ist, über den zumindest teilweise ein über die Vakuumschaltröhre geführter Strom zum Anschlussbereich 2 des Anschlussstückes 1 und damit zu den mit dem Anschlussstück 1 verbundenen elektrisch leitenden Strom führenden Teilen der Schaltanlage fließen kann. FIG. 1 shows a three-dimensional view of a connector 1 for electrically conductive connection with a Bewegkontaktanschlussbolzen arranged in a Schalterpol a switching device vacuum interrupter (figuratively in the FIG. 1 not shown), wherein the connector 1 has a connection portion 2, which fastening means 3 and 4 for electrically conductive connection with current-carrying components of the switchgear, in which the switching device is used comprises. Furthermore, fastening means 5, 6 are provided, which for fastening a flexible current band (with respect to the FIG. 2 further explained below) are provided, which flexible current band with the Bewegkontaktanschlussbolzen the vacuum interrupter of the switching device is also electrically connected. Further fastening means 7, 8 are provided for fastening the connecting piece 1 to the switch pole or to the pole housing, which is typically formed from an insulating material. The connector 1 further comprises a centering ring 9, whose inner diameter 10 corresponds to the outer diameter of the vacuum interrupter of the switch pole, so that the centering ring 9 is suitable for centering and holding the vacuum interrupter. The centering ring 9 has a bushing guide 11, through which a Bewegkontaktanschlussbolzen the vacuum interrupter can extend through and in which the Bewegkontaktanschlussbolzen the vacuum interrupter is performed. Furthermore, 11 contact surfaces 12 are provided above the bushing guide whose key width correspond to a wrench size of the Bewegkontaktanschlussbolzens, so that at the same time during the assembly of the Schalterpoles or attaching the vacuum interrupter a rotation for the Bewegkontaktanschlussbolzen is formed. Air vents, only one of which is exemplified by 13, are provided within the centering ring 9 to allow and ensure air circulation and thus contribute to a cooling effect of the entire assembly. Connecting means 14 and 15 connect the centering ring 9 with the terminal portion 2 of the connector 1 and attach the centering ring 9 at the connection area 2 and thus form the connector 1, wherein the connector 1 in total, including in particular the connecting means 14 and 15 and the centering ring 9 with its bushing guide 11 is formed of conductive material, so that via the bushing guide 11, through which a sliding bearing for the Bewegkontaktanschlussbolzen is formed, the centering ring 9 and the connecting means 14 and 15, a current path is formed over the at least partially via the vacuum interrupter Guided current to the terminal portion 2 of the connector 1 and thus to the connected to the connector 1 electrically conductive current parts of the switchgear can flow.

Figur 2 zeigt eine teilweise Schnittansicht durch einen Schalterpol 16 eines figürlich nicht weiter dargestellten Schaltgerätes, welches beispielsweise als Mittelspannungsleistungsschalter für eine Schaltanlage der Energieverteilung vorgesehen sein kann und typischerweise über drei Phasen mit jeweils einem Schalterpol 16 für jede Phase ausgebildet ist. Der Schalterpol 16 umfasst eine Vakuumschaltröhre 17, welche ein Kontaktsystem (figürlich nicht weiter dargestellt) aus einem Bewegkontakt und einem Festkontakt aufweist, wobei der Bewegkontakt über einen Bewegkontaktanschlussbolzen 18 und eine isolierende Antriebsstange 19 mit einem figürlich ebenfalls nicht weiter dargestellten Antrieb zum Einleiten einer Antriebsbewegung in den Bewegkontaktanschlussbolzen 18 mechanisch gekoppelt ist zum Schließen bzw. Öffnen des Kontaktsystems und damit zum Schalten bzw. Unterbrechen des über den Schalterpol 16 geführten Stromes. Die isolierende Antriebsstange 19 ist dazu über Befestigungsmittel 20 mit dem Bewegkontaktanschlussbolzen 18 mechanisch gekoppelt. Der Schalterpol umfasst weiterhin ein Polgehäuse 21, welches typischerweise aus einem isolierenden Material, beispielsweise Epoxidharz oder dergleichen, ausgebildet ist und zur elektrischen Isolation der einzelnen Schalterpole gegeneinander sowie gegenüber geerdeten Gehäusebauteilen des Schaltgerätes dient. Das Anschlussstück 1 ist im Schalterpol 16 vorgesehen zum elektrisch leitenden Verbinden mit dem Bewegkontaktanschlussbolzen 18 sowie zum elektrischen Anschluss an Strom führende, figürlich nicht dargestellte Teile der Schaltanlage, in welcher das Schaltgerät eingesetzt wird und ist über ein flexibles Stromband 22 elektrisch leitend mit dem Bewegkontaktanschlussbolzen 18 verbunden. Der Bewegkontaktanschlussbolzen 18 ist in der Buchsenführung 11 geführt, durch welche Buchsenführung 11 gleichzeitig auch ein elektrisch leitendes Gleitlager gebildet ist. Durch die Ausbildung des Anschlussstückes 1 insgesamt aus einem leitenden Material ist durch das Gleitlager der Buchsenführung 11 und die Verbindungsmittel 14 und 15 neben dem flexiblen Stromband 22 ein weiterer Strompfad zum Anschlussbereich 2 des Anschlussstückes 1 ausgebildet, so dass durch das Anschlussstück 1 insgesamt eine größere Stromtragfähigkeit des Schalterpoles gewährleistet und ausgebildet ist. Durch die Anlageflächen 12 der Buchsenführung 11 ist weiterhin die Montage der Vakuumschaltröhre 17 im Schalterpol vereinfacht, weil bei der Montage der Bewegkontaktanschlussbolzen 18 nicht mehr separat gegengehalten werden muss, sondern durch die Anlageflächen 12 ein Verdrehschutz für den Bewegkontaktanschlussbolzen 18 ausgebildet ist. Durch die Belüftungsöffnungen 13 ist weiterhin ein Kühlungseffekt des gesamten Bereiches des Schalterpoles 16 gewährleistet, so dass mit dem Anschlussstück 1 insgesamt der Schalterpol 16 des Schaltgerätes über verbesserte Eigenschaften bezüglich der Zentrierung der Vakuumschaltröhre 17, der Führung des Bewegkontaktanschlussbolzens 18, der Stromtragfähigkeit sowie der Montage verfügt. FIG. 2 shows a partial sectional view through a switch pole 16 of a switching device not shown in detail, which may be provided for example as a medium-voltage circuit breaker for a switchgear of the power distribution and is typically formed over three phases, each with a switch pole 16 for each phase. The Schalterpol 16 includes a vacuum interrupter 17, which comprises a contact system (figuratively not shown) from a moving contact and a fixed contact, wherein the moving contact via a Bewegkontaktanschlussbolzen 18 and an insulating drive rod 19 with a figuratively also not shown drive for initiating a drive movement in the Bewegkontaktanschlussbolzen 18 is mechanically coupled to close or open the contact system and thus switching or interrupting the guided over the Schalterpol 16 current. The insulating drive rod 19 is mechanically coupled via fastening means 20 with the Bewegkontaktanschlussbolzen 18. The switch pole further comprises a pole housing 21, which is typically made of an insulating material, such as epoxy resin or the like, and is used for electrical isolation of the individual switch poles against each other and against grounded housing components of the switching device. The connector 1 is provided in the Schalterpol 16 for electrically conductive connection to the Bewegkontaktanschlussbolzen 18 and the electrical connection to power leading, figuratively not shown parts of the switchgear in which the switching device is used and is electrically conductive via a flexible current band 22 to the Bewegkontaktanschlussbolzen 18th connected. The Bewegkontaktanschlussbolzen 18 is guided in the bushing guide 11, through which bushing guide 11 at the same time an electrically conductive sliding bearing is formed. Due to the formation of the connecting piece 1 a total of a conductive material is formed by the sliding bearing of the bushing guide 11 and the connecting means 14 and 15 next to the flexible current band 22, a further current path to the terminal portion 2 of the connector 1, so that through the connector 1 a total of greater current carrying capacity of the Schalterpoles guaranteed and trained. By the contact surfaces 12 of the bushing guide 11, the assembly of the vacuum interrupter 17 in the switch pole is further simplified, because during assembly of the Bewegkontaktanschlussbolzen 18 no longer must be held separately, but by the contact surfaces 12 a rotation for the Bewegkontaktanschlussbolzen 18 is formed. Through the ventilation openings 13, a cooling effect of the entire region of the Schalterpoles 16 is further ensured, so that with the connector 1 a total of the switch pole 16 of the switching device has improved properties with respect to the centering of the vacuum interrupter 17, the leadership of Bewegkontaktanschlussbolzens 18, the current carrying capacity and assembly ,

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Anschlussstückconnector
22
Anschlussbereichterminal area
3, 43, 4
Befestigungsmittelfastener
5, 65, 6
Befestigungsmittel StrombandFastener Stromband
7, 87, 8
weitere Befestigungsmittelfurther fasteners
99
Zentrierringcentering
1010
InnendurchmesserInner diameter
1111
Buchsenführungbushing guide
1212
Anlageflächecontact surface
1313
Belüftungsöffnungventilation opening
14, 1514, 15
Verbindungsmittelconnecting means
1616
SchalterpolA pole
1717
VakuumschaltröhreVacuum interrupter
1818
BewegkontaktanschlussbolzenBewegkontaktanschlussbolzen
1919
isolierende Antriebsstangeinsulating drive rod
2020
Befestigungsmittel IsolatorFastener insulator
2121
Polgehäusepole housing
2222
flexibles Strombandflexible power band

Claims (4)

  1. Connection piece (1) for a switch pole (16) of a switching apparatus for electrically conductive connection to a moving contact connection pin (18) of a vacuum interrupter (17) which is arranged in the switch pole (16), which connection piece (1) has a centering ring (9), the inside diameter (10) of which corresponds to an outside diameter of the vacuum interrupter (17) of the switch pole (16), for centering and holding the vacuum interrupter (17), which centering ring (9) is formed from an electrically conductive material and is electrically conductively connected to a connection region (2) of the connection piece (1) by way of connection means (14, 15), characterized by a flexible strip (22) which connects the moving contact connection pin (18) to the connection piece (1).
  2. Connection piece (1) according to Claim 1,
    characterized in that
    the centering ring (9) has a bushing guide (11) for the moving contact connection pin (18) in the form of an electrically conductive sliding bearing.
  3. Connection piece (1) according to Claim 1 or 2,
    characterized in that
    the centering ring (9) has ventilation openings (13).
  4. Connection piece (1) according to Claim 2,
    Frei verwendbar
    characterized in that
    the bushing guide (11) is provided with bearing faces (12) which correspond to a width across flats of the moving contact connection pin (18).
EP14786834.3A 2013-11-04 2014-10-14 Connection piece for a switch pole of a switching apparatus Active EP3047496B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310222319 DE102013222319A1 (en) 2013-11-04 2013-11-04 Connector for a switch pole of a switching device
PCT/EP2014/071984 WO2015062857A1 (en) 2013-11-04 2014-10-14 Connection piece for a switch pole of a switching apparatus

Publications (2)

Publication Number Publication Date
EP3047496A1 EP3047496A1 (en) 2016-07-27
EP3047496B1 true EP3047496B1 (en) 2018-09-12

Family

ID=51786934

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14786834.3A Active EP3047496B1 (en) 2013-11-04 2014-10-14 Connection piece for a switch pole of a switching apparatus

Country Status (7)

Country Link
US (1) US9685288B2 (en)
EP (1) EP3047496B1 (en)
JP (1) JP2016535400A (en)
KR (1) KR101921991B1 (en)
CN (1) CN105706209B (en)
DE (1) DE102013222319A1 (en)
WO (1) WO2015062857A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106997826A (en) * 2017-05-26 2017-08-01 江苏润泰电力设备有限公司 Connector is used in a kind of special high-voltage switch gear power system

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Publication number Priority date Publication date Assignee Title
WO2007016882A1 (en) * 2005-08-10 2007-02-15 Siemens Aktiengesellschaft Holding apparatus with field control properties

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JPS5295066U (en) * 1976-01-14 1977-07-16
DE8535717U1 (en) 1985-12-19 1986-02-27 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Switch pole
FR2677168B1 (en) * 1991-06-03 1994-06-17 Merlin Gerin MEDIUM VOLTAGE CIRCUIT BREAKER WITH REDUCED CONTROL ENERGY.
US5597992A (en) * 1994-12-09 1997-01-28 Cooper Industries, Inc. Current interchange for vacuum capacitor switch
US5808258A (en) * 1995-12-26 1998-09-15 Amerace Corporation Encapsulated high voltage vacuum switches
JP2001101943A (en) * 1999-09-30 2001-04-13 Nippon Mitsubishi Oil Corp Switch for cable way
DE19959207C2 (en) * 1999-12-08 2001-10-18 Siemens Ag Vacuum contactor with sliding guide element
JP2003187679A (en) * 2001-12-14 2003-07-04 Meidensha Corp Vacuum interrupter
DE10207892B4 (en) 2002-02-20 2004-02-05 Siemens Ag Vacuum interrupter with a switch contact piece
US7053327B2 (en) * 2004-10-26 2006-05-30 Eaton Corporation Apparatus and method for use in circuit interrupters
JP5002358B2 (en) 2007-07-12 2012-08-15 株式会社東芝 Vacuum circuit breaker
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US7910852B2 (en) * 2008-02-07 2011-03-22 Eaton Corporation Encapsulated pole unit conductor assembly for an encapsulated pole unit and medium voltage circuit interrupter including the same
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KR20130120221A (en) * 2012-04-25 2013-11-04 현대중공업 주식회사 Structure for preventing eccentricity of moving connector in vacuum circuit breaker
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Publication number Priority date Publication date Assignee Title
WO2007016882A1 (en) * 2005-08-10 2007-02-15 Siemens Aktiengesellschaft Holding apparatus with field control properties

Also Published As

Publication number Publication date
JP2016535400A (en) 2016-11-10
WO2015062857A1 (en) 2015-05-07
DE102013222319A1 (en) 2015-05-07
CN105706209A (en) 2016-06-22
US20160260562A1 (en) 2016-09-08
KR101921991B1 (en) 2018-11-27
EP3047496A1 (en) 2016-07-27
CN105706209B (en) 2018-11-02
KR20160062160A (en) 2016-06-01
US9685288B2 (en) 2017-06-20

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