EP1913619B1 - Switch pole with supporting frame having latching means - Google Patents

Switch pole with supporting frame having latching means Download PDF

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Publication number
EP1913619B1
EP1913619B1 EP05777783.1A EP05777783A EP1913619B1 EP 1913619 B1 EP1913619 B1 EP 1913619B1 EP 05777783 A EP05777783 A EP 05777783A EP 1913619 B1 EP1913619 B1 EP 1913619B1
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EP
European Patent Office
Prior art keywords
mounting frame
switch pole
support frame
latching means
side walls
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Active
Application number
EP05777783.1A
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German (de)
French (fr)
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EP1913619A1 (en
Inventor
Karsten Freundt
Ralph LÖSER
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Siemens AG
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Siemens AG
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Publication of EP1913619A1 publication Critical patent/EP1913619A1/en
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Publication of EP1913619B1 publication Critical patent/EP1913619B1/en
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    • 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
    • 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 switch pole for interrupting an alternating electric current with a support frame made of an insulating material and extending in a longitudinal direction within the support frame between an input terminal and output terminal switching tube, which is arranged to interrupt the alternating current between the input terminal and the output terminal, said Input terminal, the outgoing terminal and the interrupter are held by the support frame, wherein the support frame has fastening means for receiving beauisolier matter, with which the insulating capacity of the support frame is increased.
  • Such Siemenserpol is from the DE 80 28 797 U1 known.
  • the switch pole disclosed therein for interrupting an alternating electric current with a support frame made of an insulating material and a switch tube extending in a longitudinal direction within the support frame between an input terminal and output terminal adapted to interrupt the alternating current between the input terminal and the output terminal, the input terminal ,
  • the outgoing terminal and the interrupter are held by the support frame, has fastening means for receiving beautunetude, with which the insulating capacity of the support frame is increased.
  • the switch pole disclosed therein comprises a support frame made of an insulating material, which is adapted to hold a vacuum interrupter extending in a longitudinal direction between an input terminal and an outgoing terminal extends.
  • the support frame is adapted to hold said terminals and the vacuum interrupter in isolation, which is at a high voltage potential during operation.
  • the prior art Druckerpol adheres to the disadvantage that the support frame has only limited insulation against the usually high electric fields during operation, so that expensive additional measures to be applied to the high-voltage components are provided.
  • the invention has for its object to provide a switch pole of the type mentioned above, which has a support frame, the insulating ability can be adjusted in a simple manner to each set to the Heidelbergerpol requirements.
  • the fastening means are designed as latching means
  • the fontisol Arthurile in cross-section at least partially have a U-profile and rest against the free legs of the U-profile in the installed state at the end of trained in the side walls stop shoulders and with their outer sides against Inner sides of the side walls are pressed, so that an interference fit of whilisol Arthurils is provided on the support frame.
  • the support frame has latching means.
  • the locking means serve to receive additional insulating parts, which extend, for example, wall-like manner on the support frame.
  • the additional insulating parts are made of an insulating material such as an insulating plastic and take on additional insulating functions on the support frame. So it is possible within the scope of the invention, by simply inserting the additional insulating parts in the locking means of Support frame to increase the insulating ability of the entire support frame in a simple manner cost.
  • the switch pole according to the invention is therefore adaptable by simple measures to the respective requirements, which are present at the desired location. For example, it is possible within the scope of the invention to increase the operating parameters such as the operating voltage, whereby the additional insulation which is necessary in this case is taken over by the additional insulating parts inserted in the latching means due to the higher electric fields occurring.
  • the additional insulating parts in cross-section at least partially on a U-profile.
  • a U-profile has proved to be particularly favorable for locking the additional insulating parts with the latching means, as set by bending the free legs of the U-profile, an elastic restoring force, which can be utilized for fastening the Rajisolierbaumaschine.
  • the front side of the free legs are easy to insert in the locking means.
  • the free legs of the U-profile in the installed state abut the end faces formed in the side walls stop shoulders and are pressed with their outer sides against the inner sides of the side walls, so that a press fit oftientisoliertils is provided on the support frame .
  • the restoring forces are utilized, which arise when the free legs of the U-profile are moved toward each other beyond their equilibrium position and rest in this position on inner walls of the support frame. By the restoring force is then provided an interference fit, which is sufficient for holding the Rajisolierbaumaschinener.
  • the stop shoulders serve only for accurately aligning the additional insulating parts on the support frame.
  • the support frame made of a mechanically dimensionally stable plastic and the additional parts of an elastically deformable plastic.
  • the support frame consists of a duroplastic and the additional insulating parts made of a thermoplastic.
  • the additional insulation parts only have an insulating effect due to their elasticity. Due to the elasticity of the additional insulating parts, these are particularly easy to insert into the means of the support frame, wherein an additional support, for example by bringing about a press fit is made possible by the elasticity.
  • the additional insulating parts accommodated in the latching means form a labyrinth structure with the latching means.
  • the labyrinth structure increases the electrical strength of the connection areas in the joints bounded by the insulating part and the supporting frame. If the soirisolierteil beyond also elastic, it comes to a further improved concerns between insulating and support frame, so that also due to this property, the electrical resistance is improved. Due to the labyrinth structure, the path of a leakage current is increased from a component subjected to high-voltage potential to an earth-grounded surface.
  • the locking means are designed as locking grooves.
  • the additional insulating parts have a wall thickness which corresponds approximately to the inner spacing of the latching grooves, so that insertion of the additional insulating parts in the Locking grooves allows and at the same time a stop of the additional insulating parts is provided in the locking grooves. Deviating from this, it is also possible within the scope of the invention that the additional insulating parts bend elastically when inserted into the locking grooves and provide a support for the additional insulating parts for this reason alone.
  • the locking grooves are formed, for example, at appropriate points of the support frame. Deviating from the locking grooves extend to individual support frame components over a longer distance away.
  • the frame has two side walls, wherein the latching means extend in the longitudinal direction on the side walls.
  • the side walls are formed, for example, parallel to each other, wherein between the side walls in the transverse direction extending transverse or mounting webs provide the necessary mechanical support for the Wegerpol.
  • the wall-like configuration of the support frame has the advantage that the support frame unfolds a housing-like shielding effect on two opposite sides, with two sides of the support frame which likewise oppose each other open and are not covered.
  • the latching means it is possible within the scope of the invention to provide the unshielded or covered sides of the support frame with soirisolier tone, which are also wall-shaped, so that an overall closed housing is formed around the acted upon with high voltage potential components.
  • the free legs of the U-profile are inserted in the installed state frontally in locking grooves of the support frame.
  • the wall thickness of the free legs is, as already stated, expediently approximately the inner diameter of the locking grooves.
  • the end wall thickness of the free legs of the U-profile is only slightly larger than the diameter of the locking grooves, so that the free legs are slightly elastically deformed during insertion and in this way a holding force is provided.
  • the additional insulating parts at least partially on pipe sockets, which extend in the installed state of the input port and / or the outlet port.
  • the pipe sockets make it possible to introduce conductor connections to the input connection or the outgoing termination, whereby the pipe sockets provide additional insulation in the connection region between the routed conductors and the connection pieces without touching the electrical conductors. In this way, the insulating ability of the Wegerpols or the support frame is further increased.
  • FIG. 1 shows a first embodiment of a switch pole 1 according to the invention in a perspective view.
  • the switch pole 1 has a mechanically fixed support frame 2, to which a pole head section 3b of an input connection 3 is fastened. This purpose is served by a transversely extending fastening web 4 with fastening holes for screwing on the pole head section 3b.
  • the fastening web 4 further has a through opening 5, through which a screwing a vacuum interrupter 6 as a interrupter at the Polkopfabmale 3b of the input terminal 3 is made possible.
  • the vacuum interrupter 6 consists of a hollow cylindrical ceramic housing 7, which consists of two parts which are interconnected in the middle with the interposition of an intermediate flange.
  • a fixed contact pin extends through the upper metallic cover, wherein the arranged in the vacuum housing free side of the fixed contact pin a fixed contact piece is held stationary.
  • the fixed contact piece opposite a longitudinally movably guided BewegMap forum is provided, which is movably held by a shift rod.
  • the switching rod protrudes through a metallic cover facing an outlet connection 8, a metal bellows providing the axial freedom of movement of the switching rod.
  • each holding device 9 For holding the vacuum interrupter 6 both on its side facing the fastening web 4 and on its side facing away from the fastening web 4 side, a holding device 9 is provided in each case.
  • the holding devices 9 each have a support frame attachment 10, with which the respective holding device 9 is firmly anchored to the support frame 2.
  • the holding device 9 is further equipped with field control elements with which a control of the electric field is made possible.
  • each holding device 9 comprises a flat metallic holding portion, on which the vacuum interrupter 6 rests with its respective end face.
  • the vacuum interrupter 6 is conductively connected to the holding section.
  • the holding section is enclosed by a flange section which extends at least partially at right angles to the holding section in the direction of the vacuum interrupter 6.
  • the inner diameter of the flange portion is slightly larger than the outer diameter of the end portion of the vacuum interrupter 6, which rests on the holding portion. Therefore, the flange portion at least partially surrounds the end face of the vacuum interrupter 6 and therefore prevents the vacuum interrupter 6 from slipping off the holding device 9.
  • the flange section is conductively connected to the holding section and has a rounded shape, so that field control is possible.
  • the flange portion is surrounded by a thin-walled and non-conductive plastic insulation.
  • the shift rod is connected via a suitable lever mechanism 11 with a drive that generates the necessary kinetic energy for switching.
  • the integrally formed in the illustrated embodiment support frame 2 thus has two side walls 12, 13 which are substantially parallel to each other.
  • the side walls 12, 13 are connected to each other via the fastening web 4 and in the lower region by the bottom web 14.
  • a transverse web 15 is provided, whose flat side is aligned towards the front of the switch pole 1, from which the outgoing terminal 8 is accessible.
  • outer ribs 16 are arranged, through which the creepage distance of a current is increased on its way from the outlet connection piece 8 to a point acted upon at ground potential.
  • additional insulating parts has each of the side walls 12 and 13 via locking grooves 17 which extend on the front side of each side wall 13 and 12 of the support frame 2 in the longitudinal direction thereof from bottom to top. Furthermore, in FIG. 1 invisible stop shoulders, which will be discussed in more detail below.
  • FIG. 2 shows the embodiment according to FIG. 1
  • the beauisolierteil 19 is provided for shielding the rear portion of the Heidelbergerpols 1, wherein the beauisolierteil 18 is inserted into the locking grooves 17 in the front region.
  • the additional insulating parts 18 and 19 have a U-profile in cross-section, wherein recognizable is that the free legs of the U-shaped profile extend far into the receiving grooves 17, so that a labyrinth structure is formed, through which the creepage distance is considerably increased.
  • the front rectifisolierteil 18 a pipe socket 20 which opens directly in front of the input terminal in the shielding wall portion of the beaubyils 18, so that the connection region between the input terminal and an inserted into the pipe socket 20 conductor is electrically insulated.
  • the pipe socket 21 which opens at the height of the outlet connection in the shielding wall portion of the additional insulating 18.
  • FIG. 3 shows the switch pole according to FIG. 2 in a cross-sectional view.
  • the inlet connection 3 and the outlet closure 8 are arranged at the level of the connection piece 20 or 21.
  • the lower end side of the vacuum interrupter 6 is penetrated by a longitudinally movably guided switching rod 22, wherein the switching rod 22 is connected via a flexible current band 23 to the outgoing terminal 8.
  • a pot insulator 24 is provided, which is well known to those skilled in the art, so that at this point on the design and mode of action is not discussed needs to be.
  • the vacuum interrupter 6 is fastened directly to the input connection 3 through the passage opening 5 of the attachment web 4. It can also be seen in the cross-sectional view shown that the input terminal 3 next to the Polkopfabites 3b includes a longitudinal portion 3a, wherein the Polkopfabrough 3b is screwed to the mounting web 4. Over the length of the longitudinal section 3a leaves the distance between the terminal region of the input terminal 3 and the terminal region of the output terminal 8, in other words, determine the jaw width of the Wegerpols. At the pole head portion 3b facing end face of the vacuum interrupter 6, this is again surrounded by the flange portion of a holding device 9, which is adapted for centering the vacuum interrupter 6 and the Feldab collaborateung.
  • FIG. 4 shows the switch pole according to FIG. 3 in a front view, wherein the input port 3 and the outlet port 8 can be seen through the pipe stub 20 and 21 respectively.
  • FIG. 5 shows the switch pole 1 according to FIG. 4 in a sectional view along the line V, in which the position of the ceramic housing 7 of the vacuum interrupter 6 can be seen. Furthermore, it can be seen how the free legs 25 of the cross-sectionally U-shaped insulating part 18 protrude into the locking grooves 17 of the support frame 2. In this case, the free legs 25 are spread outwards, so that 25 is provided by the restoring force of the free legs an interference fit of the insulating member 18 in the support frame.

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Description

Die Erfindung betrifft einen Schalterpol zum Unterbrechen eines elektrischen Wechselstromes mit einem aus einem Isolierstoff gefertigten Tragrahmen und einer sich in einer Längsrichtung innerhalb des Tragrahmens zwischen einem Eingangsanschluss und Abgangsabschluss erstreckenden Schaltröhre, die zum Unterbrechen des Wechselstromes zwischen dem Eingangsanschluss und dem Abgangsanschluss eingerichtet ist, wobei der Eingangsanschluss, der Abgangsanschluss und die Schaltröhre von dem Tragrahmen gehalten sind, wobei der Tragrahmen Befestigungsmittel zur Aufnahme von Zusatzisolierteilen aufweist, mit denen die Isolierfähigkeit des Tragrahmens erhöht ist.The invention relates to a switch pole for interrupting an alternating electric current with a support frame made of an insulating material and extending in a longitudinal direction within the support frame between an input terminal and output terminal switching tube, which is arranged to interrupt the alternating current between the input terminal and the output terminal, said Input terminal, the outgoing terminal and the interrupter are held by the support frame, wherein the support frame has fastening means for receiving Zusatzisolierteilen, with which the insulating capacity of the support frame is increased.

Ein solcher Schalterpol ist aus der DE 80 28 797 U1 bekannt. Der dort offenbarte Schalterpol zum Unterbrechen eines elektrischen Wechselstromes mit einem aus einem Isolierstoff gefertigten Tragrahmen und einer sich in einer Längsrichtung innerhalb des Tragrahmens zwischen einem Eingangsanschluss und Abgangsanschluss erstreckenden Schaltröhre, die zum Unterbrechen des Wechselstromes zwischen dem Eingangsanschluss und dem Abgangsanschluss eingerichtet ist, wobei der Eingangsanschluss, der Abgangsanschluss und die Schaltröhre von dem Tragrahmen gehalten sind, weist Befestigungsmittel zur Aufnahme von Zusatzisolierteilen auf, mit denen die Isolierfähigkeit des Tragrahmens erhöht ist.Such Schalterpol is from the DE 80 28 797 U1 known. The switch pole disclosed therein for interrupting an alternating electric current with a support frame made of an insulating material and a switch tube extending in a longitudinal direction within the support frame between an input terminal and output terminal adapted to interrupt the alternating current between the input terminal and the output terminal, the input terminal , The outgoing terminal and the interrupter are held by the support frame, has fastening means for receiving Zusatzisolierteilen, with which the insulating capacity of the support frame is increased.

Ein anderer Schalterpol ist aus der US 2001/0025829 A1 bereits bekannt. Der dort offenbarte Schalterpol weist einen aus einem Isolierstoff gefertigten Tragrahmen auf, der zum Halten einer Vakuumschaltröhre eingerichtet ist, die sich in einer Längsrichtung zwischen einem Eingangsanschluss sowie einem Abgangsanschluss erstreckt. Der Tragrahmen ist zum isolierten Halten der besagten Anschlussstücke und der Vakuumschaltröhre eingerichtet, die sich während des Betriebs auf einem Hochspannungspotential befindet. Dem vorbekannten Schalterpol haftet der Nachteil an, dass der Tragrahmen eine nur begrenzte Isolierfähigkeit gegenüber den in der Regel hohen elektrischen Feldern während des Betriebs aufweist, so dass aufwendige Zusatzmaßnahmen an den mit Hochspannung beaufschlagten Bauteilen vorzusehen sind.Another switch pole is out of the US 2001/0025829 A1 already known. The switch pole disclosed therein comprises a support frame made of an insulating material, which is adapted to hold a vacuum interrupter extending in a longitudinal direction between an input terminal and an outgoing terminal extends. The support frame is adapted to hold said terminals and the vacuum interrupter in isolation, which is at a high voltage potential during operation. The prior art Schalterpol adheres to the disadvantage that the support frame has only limited insulation against the usually high electric fields during operation, so that expensive additional measures to be applied to the high-voltage components are provided.

Der Erfindung liegt die Aufgabe zugrunde, einen Schalterpol der eingangs genannten Art bereit zu stellen, der einen Tragrahmen aufweist, dessen Isolierfähigkeit auf einfache Art und Weise an die jeweils an den Schalterpol gestellten Erfordernisse angepasst werden kann.The invention has for its object to provide a switch pole of the type mentioned above, which has a support frame, the insulating ability can be adjusted in a simple manner to each set to the Schalterpol requirements.

Die Erfindung löst diese Aufgabe dadurch, dass die Befestigungsmittel als Rastmittel ausgebildet sind, die Zusatzisolierteile im Querschnitt zumindest teilweise ein U-Profil aufweisen und die freien Schenkel des U-Profils im eingebauten Zustand stirnseitig an in den Seitenwandungen ausgebildeten Anschlagschultern anliegen und mit ihren Außenseiten gegen Innenseiten der Seitenwände gepresst sind, so dass ein Presssitz des Zusatzisolierteils an dem Tragrahmen bereitgestellt ist.The invention solves this problem in that the fastening means are designed as latching means, the Zusatzisolierteile in cross-section at least partially have a U-profile and rest against the free legs of the U-profile in the installed state at the end of trained in the side walls stop shoulders and with their outer sides against Inner sides of the side walls are pressed, so that an interference fit of Zusatzisolierteils is provided on the support frame.

Im Rahmen der Erfindung weist der Tragrahmen Rastmittel auf. Die Rastmittel dienen zur Aufnahme von Zusatzisolierteilen, die sich beispielsweise wandartig an dem Tragrahmen erstrecken. Die Zusatzisolierteile sind aus einem isolierenden Material beispielsweise einem isolierenden Kunststoff gefertigt und übernehmen zusätzliche Isolierfunktionen an dem Tragrahmen. So ist es im Rahmen der Erfindung möglich, durch einfaches Einfügen der Zusatzisolierteile in die Rastmittel des Tragrahmens die Isolierfähigkeit des gesamten Tragrahmens auf einfache Weise kostengünstig zu erhöhen. Der erfindungsgemäße Schalterpol ist daher durch einfache Maßnahmen an die jeweiligen Erfordernisse anpassbar, die an dem gewünschten Einsatzort vorliegen. So ist es beispielsweise im Rahmen der Erfindung möglich, die Betriebsparameter wie die Betriebsspannung zu erhöhen, wobei die dabei notwendige zusätzliche Isolierung aufgrund der sich einstellenden höheren elektrischen Felder von den in die Rastmittel eingefügten Zusatzisolierteilen übernommen wird.In the context of the invention, the support frame has latching means. The locking means serve to receive additional insulating parts, which extend, for example, wall-like manner on the support frame. The additional insulating parts are made of an insulating material such as an insulating plastic and take on additional insulating functions on the support frame. So it is possible within the scope of the invention, by simply inserting the additional insulating parts in the locking means of Support frame to increase the insulating ability of the entire support frame in a simple manner cost. The switch pole according to the invention is therefore adaptable by simple measures to the respective requirements, which are present at the desired location. For example, it is possible within the scope of the invention to increase the operating parameters such as the operating voltage, whereby the additional insulation which is necessary in this case is taken over by the additional insulating parts inserted in the latching means due to the higher electric fields occurring.

Zweckmäßigerweise weisen die Zusatzisolierteile im Querschnitt zumindest teilweise ein U-Profil auf. Ein U-Profil hat sich zum Verrasten der Zusatzisolierteile mit den Rastmitteln als besonders günstig erwiesen, da durch aufeinander zu Verbiegen der freien Schenkel des U-Profils sich eine elastische Rückstellkraft einstellt, die zur Befestigung der Zusatzisolierbauteile ausgenutzt werden kann. Darüber sind die Stirnseite der freien Schenkel einfach in die Rastmittel einzufügen.Conveniently, the additional insulating parts in cross-section at least partially on a U-profile. A U-profile has proved to be particularly favorable for locking the additional insulating parts with the latching means, as set by bending the free legs of the U-profile, an elastic restoring force, which can be utilized for fastening the Zusatzisolierbauteile. In addition, the front side of the free legs are easy to insert in the locking means.

Es ist im Rahmen der Erfindung möglich, dass die freien Schenkel des U-Profils im eingebauten Zustand stirnseitig an in den Seitenwandungen ausgebildeten Anschlagschultern anliegen und mit ihren Außenseiten gegen die Innenseiten der Seitenwände gepresst sind, so dass ein Presssitz des Zusatzisolierteils an dem Tragrahmen bereitgestellt ist. Gemäß dieser Ausgestaltung der Erfindung werden die Rückstellkräfte ausgenutzt, die sich ergeben, wenn die freien Schenkel des U-Profils über ihre Gleichgewichtslage hinaus aufeinander zubewegt werden und in dieser Stellung an Innenwänden des Tragrahmens anliegen. Durch die Rückstellkraft wird dann ein Presssitz bereitgestellt, der zum Halten der Zusatzisolierbauteile ausreichend ist. Die Anschlagschultern dienen lediglich zum genauen Ausrichten der Zusatzisolierteile an dem Tragrahmen.It is possible within the scope of the invention that the free legs of the U-profile in the installed state abut the end faces formed in the side walls stop shoulders and are pressed with their outer sides against the inner sides of the side walls, so that a press fit of Zusatzisolierteils is provided on the support frame , According to this embodiment of the invention, the restoring forces are utilized, which arise when the free legs of the U-profile are moved toward each other beyond their equilibrium position and rest in this position on inner walls of the support frame. By the restoring force is then provided an interference fit, which is sufficient for holding the Zusatzisolierbauteile. The stop shoulders serve only for accurately aligning the additional insulating parts on the support frame.

Vorteilhafterweise bestehen der Tragrahmen aus einem mechanisch formstabilen Kunststoff und die Zusatzteile aus einem elastisch verformbaren Kunststoff. So bestehen der Tragrahmen beispielsweise aus einem Duroplast und die Zusatzisolierteile aus einem Thermoplast. Gemäß dieser vorteilhaften Weiterentwicklung übernimmt nur der Tragrahmen die mechanische Stützfunktion für die in ihm montierten Bauteile der Schaltröhre während die Zusatzisolierteile aufgrund ihrer Elastizität lediglich isolierend wirken. Aufgrund der Elastizität der Zusatzisolierteile sind diese besonders einfach in die Ratmittel des Tragrahmens einfügbar, wobei durch die Elastizität ein zusätzlicher Halt beispielsweise durch Herbeiführen eines Presssitzes ermöglicht ist.Advantageously, the support frame made of a mechanically dimensionally stable plastic and the additional parts of an elastically deformable plastic. For example, the support frame consists of a duroplastic and the additional insulating parts made of a thermoplastic. According to this advantageous further development, only the support frame takes over the mechanical support function for the components of the interrupter mounted therein while the additional insulation parts only have an insulating effect due to their elasticity. Due to the elasticity of the additional insulating parts, these are particularly easy to insert into the means of the support frame, wherein an additional support, for example by bringing about a press fit is made possible by the elasticity.

Vorteilhafterweise bilden die in den Rastmitteln aufgenommenen Zusatzisolierteile mit den Rastmitteln eine Labyrinthstruktur aus. Durch die Labyrinthstruktur ist die elektrische Festigkeit der Verbindungsbereiche in den von Isolierteil und Tragrahmen begrenzten Fugen erhöht. Ist das Zusatzisolierteil darüber hinaus auch elastisch, kommt es zu einem noch weiter verbesserten Anliegen zwischen Isolierteil und Tragrahmen, so dass auch aufgrund dieser Eigenschaft die elektrische Festigkeit verbessert ist. Aufgrund der Labyrinthstruktur ist der Weg eines Kriechstromes von einem mit Hochspannungspotential beaufschlagten Bauteil zu einer auf Erdpotential liegenden Oberfläche vergrößert.Advantageously, the additional insulating parts accommodated in the latching means form a labyrinth structure with the latching means. The labyrinth structure increases the electrical strength of the connection areas in the joints bounded by the insulating part and the supporting frame. If the Zusatzisolierteil beyond also elastic, it comes to a further improved concerns between insulating and support frame, so that also due to this property, the electrical resistance is improved. Due to the labyrinth structure, the path of a leakage current is increased from a component subjected to high-voltage potential to an earth-grounded surface.

Vorteilhafterweise sind die Rastmittel als Rastnuten ausgestaltet. Dabei weisen die Zusatzisolierteile eine Wandstärke auf, die den inneren Abstand der Rastnuten in etwa entspricht, so dass ein Einfügen der Zusatzisolierteile in die Rastnuten ermöglicht und gleichzeitig ein Halt der Zusatzisolierteile in den Rastnuten bereitgestellt ist. Abweichend davon ist es im Rahmen der Erfindung ebenfalls möglich, dass die Zusatzisolierteile beim Einfügen in die Rastnuten elastisch verbogen und allein aus diesem Grund einen Halt für die Zusatzisolierteile bereitstellen. Die Rastnuten sind beispielsweise an zweckmäßigen Stellen des Tragrahmens ausgebildet. Abweichend davon verlaufen die Rastnuten an einzelnen Tragrahmen Bauteilen über eine längere Wegstrecke hinweg.Advantageously, the locking means are designed as locking grooves. The additional insulating parts have a wall thickness which corresponds approximately to the inner spacing of the latching grooves, so that insertion of the additional insulating parts in the Locking grooves allows and at the same time a stop of the additional insulating parts is provided in the locking grooves. Deviating from this, it is also possible within the scope of the invention that the additional insulating parts bend elastically when inserted into the locking grooves and provide a support for the additional insulating parts for this reason alone. The locking grooves are formed, for example, at appropriate points of the support frame. Deviating from the locking grooves extend to individual support frame components over a longer distance away.

Vorteilhafterweise weist der Rahmen zwei Seitenwandungen auf, wobei sich die Rastmittel in Längsrichtung an den Seitenwandungen erstrecken. Die Seitenwandungen sind beispielsweise parallel zueinander ausgebildet, wobei sich zwischen den Seitenwandungen in Querrichtung erstreckende Quer- oder Befestigungsstege den notwendigen mechanischen Halt für den Schalterpol bereitstellen. Die wandartige Ausgestaltung des Tragrahmens weist den Vorteil auf, dass der Tragrahmen an zwei einander gegenüberliegenden Seiten eine gehäuseähnliche Abschirmwirkung entfaltet, wobei zwei einander ebenfalls gegenüberliebenden Seiten des Tragrahmens offen und nicht abgedeckt sind. Mit Hilfe der Rastmittel ist es im Rahmen der Erfindung möglich, die nicht abgeschirmten oder abgedeckten Seiten des Tragrahmens mit Zusatzisolierteilen zu versehen, die ebenfalls wandförmig ausgebildet sind, so dass ein insgesamt geschlossenes Gehäuse um die mit Hochspannungspotential beaufschlagten Bauteile ausgebildet ist.Advantageously, the frame has two side walls, wherein the latching means extend in the longitudinal direction on the side walls. The side walls are formed, for example, parallel to each other, wherein between the side walls in the transverse direction extending transverse or mounting webs provide the necessary mechanical support for the Schalterpol. The wall-like configuration of the support frame has the advantage that the support frame unfolds a housing-like shielding effect on two opposite sides, with two sides of the support frame which likewise oppose each other open and are not covered. With the help of the latching means it is possible within the scope of the invention to provide the unshielded or covered sides of the support frame with Zusatzisolierteilen, which are also wall-shaped, so that an overall closed housing is formed around the acted upon with high voltage potential components.

Weiterhin sind in einem bevorzugten Ausführungsbeispiel die freien Schenkel des U-Profils im eingebauten Zustand stirnseitig in Rastnuten des Tragrahmens eingefügt. Die Wandstärke der freien Schenkel ist, wie bereits ausgeführt wurde, zweckmäßigerweise in etwa dem Innendurchmesser der Rastnuten. Vorteilhafterweise ist die stirnseitige Wandstärke der freien Schenkel des U-Profils nur geringfügig größer als der Durchmesser der Rastnuten, so dass die freien Schenkel beim Einfügen geringfügig elastisch verformt werden und auf diese Weise eine Haltekraft bereitgestellt ist.Furthermore, in a preferred embodiment, the free legs of the U-profile are inserted in the installed state frontally in locking grooves of the support frame. The wall thickness of the free legs is, as already stated, expediently approximately the inner diameter of the locking grooves. Advantageously, the end wall thickness of the free legs of the U-profile is only slightly larger than the diameter of the locking grooves, so that the free legs are slightly elastically deformed during insertion and in this way a holding force is provided.

Vorteilhafterweise weisen die zusätzlichen Isolierteile zumindest teilweise Rohrstutzen auf, die sich im eingebauten Zustand von dem Eingangsanschluss und/oder dem Abgangsanschluss erstrecken. Mit den Rohrstutzen ist es ermöglicht, Leiterverbindungen an den Eingangsanschluss bzw. den Abgangsabschluss heranzuführen, wobei die Rohrstutzen eine zusätzliche Isolierung im Verbindungsbereich zwischen den herangeführten Leitern und den Anschlussstücken bereitstellen, ohne dabei die elektrischen Leiter zu berühren. Auf diese Weise wird die Isolierfähigkeit des Schalterpols bzw. des Tragrahmens noch weiter erhöht.Advantageously, the additional insulating parts at least partially on pipe sockets, which extend in the installed state of the input port and / or the outlet port. The pipe sockets make it possible to introduce conductor connections to the input connection or the outgoing termination, whereby the pipe sockets provide additional insulation in the connection region between the routed conductors and the connection pieces without touching the electrical conductors. In this way, the insulating ability of the Schalterpols or the support frame is further increased.

Weitere zweckmäßigere Ausgestaltungen und Vorteile der Erfindungen sind Gegenstand der nachfolgenden Beschreibung von Ausführungsbeispielen der Erfindung unter Bezug auf die Figuren der Zeichnung, wobei gleichwirkende Bauteile mit gleichen Bezugszeichen versehen sind und wobei

Figur 1
eine perspektivische Darstellung eines Ausführungsbeispiels des erfindungsgemäßen Schaltpols mit einem Tragrahmen ohne Zusatzisolierteile,
Figur 2
den Schalterpol gemäß Figur 1 mit eingefügten Zusatzisolierteilen,
Figur 3
den Schalterpol gemäß Figur 1 in einer Querschnittsansicht,
Figur 4
den Schalterpol gemäß Figur 2 in einer Vorderansicht und
Figur 5
den Schalterpol gemäß Figur 4 in einer entlang der Linie V-V geschnittenen Ansicht zeigen.
Further expedient embodiments and advantages of the invention are the subject of the following description of embodiments of the invention with reference to the figures the drawing, wherein like components are provided with the same reference numerals and wherein
FIG. 1
a perspective view of an embodiment of the invention Schaltpols with a support frame without additional insulating parts,
FIG. 2
the switch pole according to FIG. 1 with inserted additional insulation parts,
FIG. 3
the switch pole according to FIG. 1 in a cross-sectional view,
FIG. 4
the switch pole according to FIG. 2 in a front view and
FIG. 5
the switch pole according to FIG. 4 show in a cut along the line VV view.

Figur 1 zeigt ein erstes Ausführungsbeispiel eines erfindungsgemäßen Schalterpols 1 in einer perspektivischen Darstellung. Der Schalterpol 1 weist einen mechanisch festen Tragrahmen 2 auf, an dem ein Polkopfabschnitt 3b eines Eingangsanschluss 3 befestigt ist. Hierzu dient ein sich in Querrichtung erstreckender Befestigungssteg 4 mit Befestigungslöchern zum Anschrauben des Polkopfabschnitts 3b. Der Befestigungssteg 4 weist ferner eine Durchgangsöffnung 5 auf, durch die hindurch ein Festschrauben einer Vakuumschaltröhre 6 als Schaltröhre an dem Polkopfabschnitt 3b des Eingangsanschlusses 3 ermöglicht ist. Die Vakuumschaltröhre 6 besteht aus einem hohlzylindrischen Keramikgehäuse 7, das aus zwei Teilen besteht, die in der Mitte unter Zwischenlegung eines Zwischenflansches miteinander verbunden sind. An den Stirnseiten ist das Keramikgehäuse 7 durch metallische Abdeckungen, die in Figur 1 nicht sichtbar sind, verschlossen, so dass ein vakuumdichtes Gehäuse ausgebildet ist. An der in Figur 1 oberen Seite der Vakuumschaltröhre 6 durchragt ein Festkontaktbolzen die obere metallische Abdeckung, wobei an der in dem Vakuumgehäuse angeordneten freien Seite des Festkontaktbolzens ein Festkontaktstück ortsfest gehalten ist. Dem Festkontaktstück gegenüberliegend ist ein längs beweglich geführtes Bewegkontaktstück vorgesehen, das mittels einer Schaltstange beweglich gehalten ist. Die Schaltstange durchragt eine einem Abgangsanschluss 8 zugewandte metallische Abdeckung, wobei ein Metallfaltenbalg für die axiale Bewegungsfreiheit der Schaltstange sorgt. Zur Halterung der Vakuumschaltröhre 6 sowohl an ihrer dem Befestigungssteg 4 zugewandten als auch an ihrer vom Befestigungssteg 4 abgewandten Seite ist jeweils eine Haltevorrichtung 9 vorgesehen. Dabei verfügen die Haltevorrichtungen 9 jeweils über eine Tragrahmenbefestigung 10, mit der die jeweilige Haltevorrichtung 9 fest an dem Tragrahmen 2 verankert ist. Die Haltevorrichtung 9 ist ferner mit Feldsteuerelementen ausgerüstet, mit denen eine Absteuerung des elektrischen Feldes ermöglicht ist. Zweckmäßigerweise umfasst jede Haltevorrichtung 9 einen flachen metallischen Halteabschnitt, auf dem die Vakuumschaltröhre 6 mit ihrer jeweiligen Stirnseite aufliegt. Dabei ist die Vakuumschaltröhre 6 leitend mit dem Halteabschnitt verbunden. Der Halteabschnitt ist von einem Flanschabschnitt umschlossen, der sich zumindest teilweise rechtwinklig zum Halteabschnitt in Richtung der Vakuumschaltröhre 6 erstreckt. Dabei ist der Innendurchmesser des Flanschabschnittes etwas größer als der Außendurchmesser des Stirnbereichs der Vakuumschaltröhre 6, der auf dem Halteabschnitt aufliegt. Der Flanschabschnitt umgibt daher zumindest teilweise die Stirnseite der Vakuumschaltröhre 6 und verhindert daher ein Abrutschen der Vakuumschaltröhre 6 von der Haltevorrichtung 9. Der Flanschabschnitt ist leitend mit dem Halteabschnitt verbunden und weist eine abgerundete Form auf, so dass eine Feldabsteuerung ermöglicht ist. Vorteilhafterweise ist der Flanschabschnitt von einer dünnwandigen und nicht leitenden Kunststoffisolierung umgeben. FIG. 1 shows a first embodiment of a switch pole 1 according to the invention in a perspective view. The switch pole 1 has a mechanically fixed support frame 2, to which a pole head section 3b of an input connection 3 is fastened. This purpose is served by a transversely extending fastening web 4 with fastening holes for screwing on the pole head section 3b. The fastening web 4 further has a through opening 5, through which a screwing a vacuum interrupter 6 as a interrupter at the Polkopfabschnitt 3b of the input terminal 3 is made possible. The vacuum interrupter 6 consists of a hollow cylindrical ceramic housing 7, which consists of two parts which are interconnected in the middle with the interposition of an intermediate flange. At the end faces, the ceramic housing 7 by metallic covers, which in FIG. 1 are not visible, closed, so that a vacuum-tight housing is formed. At the top of the vacuum interrupter 6 in Figure 1, a fixed contact pin extends through the upper metallic cover, wherein the arranged in the vacuum housing free side of the fixed contact pin a fixed contact piece is held stationary. The fixed contact piece opposite a longitudinally movably guided Bewegkontaktstück is provided, which is movably held by a shift rod. The switching rod protrudes through a metallic cover facing an outlet connection 8, a metal bellows providing the axial freedom of movement of the switching rod. For holding the vacuum interrupter 6 both on its side facing the fastening web 4 and on its side facing away from the fastening web 4 side, a holding device 9 is provided in each case. In this case, the holding devices 9 each have a support frame attachment 10, with which the respective holding device 9 is firmly anchored to the support frame 2. The holding device 9 is further equipped with field control elements with which a control of the electric field is made possible. Conveniently, each holding device 9 comprises a flat metallic holding portion, on which the vacuum interrupter 6 rests with its respective end face. In this case, the vacuum interrupter 6 is conductively connected to the holding section. The holding section is enclosed by a flange section which extends at least partially at right angles to the holding section in the direction of the vacuum interrupter 6. Here, the inner diameter of the flange portion is slightly larger than the outer diameter of the end portion of the vacuum interrupter 6, which rests on the holding portion. Therefore, the flange portion at least partially surrounds the end face of the vacuum interrupter 6 and therefore prevents the vacuum interrupter 6 from slipping off the holding device 9. The flange section is conductively connected to the holding section and has a rounded shape, so that field control is possible. Advantageously, the flange portion is surrounded by a thin-walled and non-conductive plastic insulation.

Zum Antrieb des Bewegkontaktstückes ist die Schaltstange über eine zweckmäßige Hebelmechanik 11 mit einem Antrieb verbindbar, der die zum Schalten notwendige Bewegungsenergie erzeugt.To drive the Bewegkontaktstückes the shift rod is connected via a suitable lever mechanism 11 with a drive that generates the necessary kinetic energy for switching.

Der in dem gezeigten Ausführungsbeispiel einstückig ausgebildete Tragrahmen 2 verfügt somit über zwei Seitenwandungen 12, 13, die im Wesentlichen parallel zueinander verlaufen. Die Seitenwandungen 12, 13 sind über den Befestigungssteg 4 sowie im unteren Bereich durch den Bodensteg 14 miteinander verbunden. Zur Befestigung des Abgangsanschlusses 8 ist ein Quersteg 15 vorgesehen, dessen Flachseite zur Vorderseite des Schalterpols 1 hin ausgerichtet ist, von der aus der Abgangsanschluss 8 zugänglich ist. Zwischen dem Quersteg 15 und dem Bodensteg 14 sind Außenrippen 16 angeordnet, durch die der Kriechweg eines Stromes auf seinem Weg von dem Abgangsanschlussstück 8 zu einer mit Erdpotential beaufschlagten Stelle erhöht ist.The integrally formed in the illustrated embodiment support frame 2 thus has two side walls 12, 13 which are substantially parallel to each other. The side walls 12, 13 are connected to each other via the fastening web 4 and in the lower region by the bottom web 14. For fixing the outgoing terminal 8, a transverse web 15 is provided, whose flat side is aligned towards the front of the switch pole 1, from which the outgoing terminal 8 is accessible. Between the transverse web 15 and the bottom web 14 outer ribs 16 are arranged, through which the creepage distance of a current is increased on its way from the outlet connection piece 8 to a point acted upon at ground potential.

Zur Befestigung von in Figur 1 nicht gezeigten Zusatzisolierteilen verfügt jede der Seitenwandung 12 und 13 über Rastnuten 17, die sich an der Stirnseite jeder Seitenwand 13 und 12 des Tragrahmens 2 in deren Längsrichtung also von unten nach oben erstrecken. Weiterhin sind in Figur 1 nicht sichtbare Anschlagschultern vorgesehen, auf die im Folgenden noch detaillierter eingegangen werden wird.For attachment of in FIG. 1 not shown additional insulating parts has each of the side walls 12 and 13 via locking grooves 17 which extend on the front side of each side wall 13 and 12 of the support frame 2 in the longitudinal direction thereof from bottom to top. Furthermore, in FIG. 1 invisible stop shoulders, which will be discussed in more detail below.

Figur 2 zeigt das Ausführungsbeispiel gemäß Figur 1 mit in die Rastnuten 17 bzw. an die Anschlagschultern geschobenen Zusatzisolierteilen 18 und 19. Das Zusatzisolierteil 19 ist zur Abschirmung des hinteren Bereichs des Schalterpols 1 vorgesehen, wobei das Zusatzisolierteil 18 im vorderen Bereich in die Rastnuten 17 eingefügt ist. Die Zusatzisolierteile 18 und 19 weisen im Querschnitt ein U-Profil auf, wobei erkennbar ist, dass sich die freien Schenkel des U-Profils weit in die Aufnahmenuten 17 hinein erstrecken, so dass eine Labyrinthstruktur ausgebildet ist, durch welche der Kriechweg beträchtlich erhöht ist. Darüber hinaus weist das vordere Zusatzisolierteil 18 einen Rohrstutzen 20 auf, der unmittelbar vor dem Eingangsanschluss in den abschirmenden Wandbereich des Zusatzisolierteils 18 mündet, so dass der Verbindungsbereich zwischen dem Eingangsanschluss und einem in den Rohrstutzen 20 eingeführten Leiter elektrisch isoliert ist. Entsprechendes gilt für den Rohrstutzen 21, der auf der Höhe des Abgangsanschlusses in den abschirmenden Wandabschnitt des Zusatzisolierteils 18 mündet. FIG. 2 shows the embodiment according to FIG. 1 The Zusatzisolierteil 19 is provided for shielding the rear portion of the Schalterpols 1, wherein the Zusatzisolierteil 18 is inserted into the locking grooves 17 in the front region. The additional insulating parts 18 and 19 have a U-profile in cross-section, wherein recognizable is that the free legs of the U-shaped profile extend far into the receiving grooves 17, so that a labyrinth structure is formed, through which the creepage distance is considerably increased. In addition, the front Zusatzisolierteil 18 a pipe socket 20 which opens directly in front of the input terminal in the shielding wall portion of the Zusatzisolierteils 18, so that the connection region between the input terminal and an inserted into the pipe socket 20 conductor is electrically insulated. The same applies to the pipe socket 21, which opens at the height of the outlet connection in the shielding wall portion of the additional insulating 18.

Figur 3 zeigt den Schalterpol gemäß Figur 2 in einer Querschnittsansicht. Hier ist besonders gut erkennbar, dass der Eingangsanschluss 3 sowie der Abgangsabschluss 8 auf der Höhe des Stutzens 20 bzw. 21 angeordnet sind. Weiterhin ist erkennbar, dass die untere Stirnseite der Vakuumschaltröhre 6 von einer in Längsrichtung beweglich geführten Schaltstange 22 durchgriffen wird, wobei die Schaltstange 22 über ein flexibles Stromband 23 mit dem Abgangsanschluss 8 verbunden ist. Um die Hebelmechanik 11, die sich auf einem Erdpotential befindet, gegenüber der auf Hochspannungspotential liegenden Schaltstange 22 zu isolieren, ist ein Topfisolator 24 vorgesehen, der als solcher dem Fachmann bestens bekannt ist, so dass an dieser Stelle auf dessen Ausgestaltung und Wirkungsweise nicht genau eingegangen zu werden braucht. Ferner ist erkennbar, dass die Vakuumschaltröhre 6 durch die Durchgangsöffnung 5 des Befestigungssteges 4 direkt am Eingangsanschluss 3 befestigt ist. Auch ist in der gezeigten Querschnittsansicht erkennbar, dass der Eingangsanschluss 3 neben dem Polkopfabschnitt 3b einen Längsabschnitt 3a umfasst, wobei der Polkopfabschnitt 3b mit dem Befestigungssteg 4 verschraubt ist. Über die Länge des Längsabschnittes 3a lässt sich der Abstand zwischen dem Anschlussbereich des Eingangsanschlusses 3 und dem Anschlussbereich des Abgangsanschluss 8, mit anderen Worten die Maulweite des Schalterpols, bestimmen. An der dem Polkopfabschnitt 3b zugewandten Stirnseite der Vakuumschaltröhre 6 ist diese wieder von dem Flanschabschnitt einer Haltevorrichtung 9 umgeben, die zum Zentrieren der Vakuumschaltröhre 6 und zur Feldabsteuerung eingerichtet ist. FIG. 3 shows the switch pole according to FIG. 2 in a cross-sectional view. Here, it can be seen particularly clearly that the inlet connection 3 and the outlet closure 8 are arranged at the level of the connection piece 20 or 21. Furthermore, it can be seen that the lower end side of the vacuum interrupter 6 is penetrated by a longitudinally movably guided switching rod 22, wherein the switching rod 22 is connected via a flexible current band 23 to the outgoing terminal 8. In order to isolate the lever mechanism 11, which is at a ground potential, from the high voltage potential at the switching rod 22, a pot insulator 24 is provided, which is well known to those skilled in the art, so that at this point on the design and mode of action is not discussed needs to be. Furthermore, it can be seen that the vacuum interrupter 6 is fastened directly to the input connection 3 through the passage opening 5 of the attachment web 4. It can also be seen in the cross-sectional view shown that the input terminal 3 next to the Polkopfabschnitt 3b includes a longitudinal portion 3a, wherein the Polkopfabschnitt 3b is screwed to the mounting web 4. Over the length of the longitudinal section 3a leaves the distance between the terminal region of the input terminal 3 and the terminal region of the output terminal 8, in other words, determine the jaw width of the Schalterpols. At the pole head portion 3b facing end face of the vacuum interrupter 6, this is again surrounded by the flange portion of a holding device 9, which is adapted for centering the vacuum interrupter 6 and the Feldabsteuerung.

Figur 4 zeigt den Schalterpol gemäß Figur 3 in einer Vorderansicht, wobei der Eingangsanschluss 3 und der Abgangsanschluss 8 durch die Rohrstutzen 20 bzw. 21 erkennbar sind. FIG. 4 shows the switch pole according to FIG. 3 in a front view, wherein the input port 3 and the outlet port 8 can be seen through the pipe stub 20 and 21 respectively.

Figur 5 zeigt den Schalterpol 1 gemäß Figur 4 in einer entlang der Linie V geschnittenen Ansicht, in der die Lage des Keramikgehäuses 7 der Vakuumschaltröhre 6 erkennbar ist. Ferner ist erkennbar, wie die freien Schenkel 25 des im Querschnitt U-profilförmigen Isolierteils 18 in die Rastnuten 17 des Tragrahmens 2 hineinragen. Dabei werden die freien Schenkel 25 nach außen gespreizt, so dass durch die Rückstellkraft der freien Schenkel 25 ein Presssitz des Isolierteils 18 in den Tragrahmen 2 bereitgestellt ist. Ferner sind Anschlagschultern 26 der jeweiligen Seitenwandung 12 bzw. 13 des Tragrahmens 2 erkennbar, an denen die freien Schenkel 25 des Isolierteils 19 stirnseitig anliegen, wobei die freien Schenkel 25 des im Querschnitt U-profilförmigen Zusatzisolierteils 19 über ihre Gleichgewichtslage hinaus zusammengedrückt sind, so dass auch das Isolierteil 19 durch die Rückstellkraft der freien Schenkel 25 an dem Tragrahmen 2 gehalten ist. FIG. 5 shows the switch pole 1 according to FIG. 4 in a sectional view along the line V, in which the position of the ceramic housing 7 of the vacuum interrupter 6 can be seen. Furthermore, it can be seen how the free legs 25 of the cross-sectionally U-shaped insulating part 18 protrude into the locking grooves 17 of the support frame 2. In this case, the free legs 25 are spread outwards, so that 25 is provided by the restoring force of the free legs an interference fit of the insulating member 18 in the support frame. Furthermore stop shoulders 26 of the respective side wall 12 and 13 of the support frame 2 can be seen, against which the free legs 25 of the insulating part 19 abut the front side, wherein the free legs 25 of the cross-sectionally U-shaped additional insulating part 19 are compressed beyond their equilibrium position, so that Also, the insulating part 19 is held by the restoring force of the free legs 25 on the support frame 2.

Claims (7)

  1. Switch pole (1) for interruption of an electrical alternating current having a mounting frame (2), which is manufactured from a dielectric material, and having a switching tube (6) which extends in a longitudinal direction within the mounting frame (2) between an input connection (3) and an output connection (8) and is designed to interrupt the alternating current between the input connection (3) and the output connection (8) with the input connection (3), the output connection (8) and the switching tube (6) being held by the mounting frame (2), wherein the mounting frame (2) has fastening means for holding additional isolating parts (18, 19), by means of which the isolation capability of the mounting frame (2) is increased,
    characterized in that the fastening means are formed as latching means (17, 26), the additional isolating parts (18, 19) have a cross section with a U-profile, at least in places; and the free limbs (25) of the U-profile rest at the end, in the installed state, on stop shoulders (26) which are formed in the side walls (12, 13) and their outer faces are pressed against inner faces of the side walls (12, 13), so as to produce a force fit between the additional isolating part (19) and the mounting frame (2).
  2. Switch pole (1) according to Claim 1, characterized in that the mounting frame (2) is composed of a mechanically dimensionally stable plastic, and the additional isolating parts (18, 19) are composed of an elastically deformable plastic.
  3. Switch pole (1) according to one of the preceding claims, characterized in that the additional isolating parts (18, 19) which are held in the latching means (17, 26) form a labyrinth structure with the latching means (17, 26).
  4. Switch pole (1) according to one of the preceding claims, characterized in that the latching means are in the form of latching grooves (17).
  5. Switch pole (1) according to one of the preceding claims, characterized in that the mounting frame (2) has side walls (12, 13), and in that the latching means (17, 26) extend in the longitudinal direction on the side walls (12, 13).
  6. Switch pole (1) according to one of Claims 1 to 5, characterized in that the free limbs (25) of the U-profile are inserted, in the installed state, at the end into latching grooves (17) in the mounting frame (2).
  7. Switch pole (1) according to one of the preceding claims, characterized in that the additional isolating parts (12, 13) have tubular connecting stubs (20, 21) at least in places which, in the installed state, extend in front of the input connection (3) and/or the output connection (8).
EP05777783.1A 2005-08-10 2005-08-10 Switch pole with supporting frame having latching means Active EP1913619B1 (en)

Applications Claiming Priority (1)

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PCT/DE2005/001435 WO2007016881A1 (en) 2005-08-10 2005-08-10 Switch pole with supporting frame having latching means

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EP1913619B1 true EP1913619B1 (en) 2013-10-16

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US (1) US20100072045A1 (en)
EP (1) EP1913619B1 (en)
JP (1) JP2009505334A (en)
CN (1) CN101288140B (en)
DE (1) DE112005003723A5 (en)
ES (1) ES2442858T3 (en)
HK (1) HK1120924A1 (en)
MX (1) MX2008001885A (en)
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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011006013B3 (en) * 2011-03-24 2012-08-16 Siemens Aktiengesellschaft Vacuum interrupter and switch pole
DE102011086808A1 (en) 2011-11-22 2013-05-23 Siemens Aktiengesellschaft Switch pole for a circuit breaker
DE102011086810B3 (en) 2011-11-22 2013-02-28 Siemens Aktiengesellschaft Pole shell for a circuit breaker
US10978256B1 (en) 2013-03-15 2021-04-13 Innovative Switchgear IP, LLC Electrical switching device
FR3023655B1 (en) * 2014-07-11 2018-04-13 Schneider Electric Industries Sas POLE OF RECYCLABLE ELECTRICAL EQUIPMENT
DE102015224353A1 (en) 2015-12-04 2017-06-08 Siemens Aktiengesellschaft Pole shell for a circuit breaker
ES2813598T3 (en) * 2017-05-31 2021-03-24 Abb Schweiz Ag Medium voltage pole assembly
KR102159960B1 (en) 2019-02-22 2020-09-25 엘에스일렉트릭(주) Pole part and circuit breaker having the same

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2211413C3 (en) * 1972-03-06 1975-12-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Multipole vacuum switchgear
US4019005A (en) * 1974-12-30 1977-04-19 I-T-E Imperial Corporation Multi-pole circuit breaker with baffle shield venting
DE8028797U1 (en) * 1980-10-29 1981-02-19 Calor-Emag Elektrizitaets-Aktiengesellschaft, 4030 Ratingen Vacuum switch
US4384179A (en) * 1981-02-12 1983-05-17 Westinghouse Electric Corp. Stiff flexible connector for a circuit breaker or other electrical apparatus
JPS57147829A (en) * 1981-03-06 1982-09-11 Tokyo Shibaura Electric Co Vacuum breaker
DE3112817A1 (en) * 1981-03-31 1982-10-14 Sachsenwerk, Licht- und Kraft-AG, 8000 München Insulated vacuum power circuit breaker
US4791530A (en) * 1987-09-01 1988-12-13 S&C Electric Company Insulating barrier system for switchgear
US4879441A (en) * 1988-08-04 1989-11-07 Cooper Industries, Inc. Dielectric barrier for a vacuum interrupter
JPH02281521A (en) * 1989-03-16 1990-11-19 Sprecher Energ Ag Multipole vacuum breaker and insulating support frame for multipole vacuum breaker
DE4133091C2 (en) * 1991-09-30 1995-06-01 Siemens Ag Vacuum switch with a drive device and a pole drive unit
US5589675A (en) * 1994-04-08 1996-12-31 Trinetics, Inc. Vacuum switch
DE9409006U1 (en) * 1994-05-30 1994-07-28 Siemens AG, 80333 München Insulating support for vacuum interrupters
DE4419380C1 (en) * 1994-05-30 1995-10-19 Siemens Ag Circuit breaker module
DE19850207A1 (en) * 1998-10-23 2000-04-27 Siemens Ag Insulated carrier for securing vacuum-contactors especially of medium voltage control and switch-gear
FR2807203B1 (en) 2000-03-31 2002-05-24 Schneider Electric Ind Sa CUTTING MODULE COMPRISING A VACUUM BULB AND FIXING MEANS, AND ELECTRICAL CUTTING APPARATUS COMPRISING SUCH A MODULE
FR2809861B1 (en) * 2000-05-30 2002-07-12 Alstom CHASSIS FOR A VACUUM BULB OF A POWER SWITCH MODULE
NL1020581C2 (en) * 2002-05-13 2003-11-14 Holec Holland Nv Switching installation with an electrically insulating barrier.
US7053327B2 (en) * 2004-10-26 2006-05-30 Eaton Corporation Apparatus and method for use in circuit interrupters

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Publication number Publication date
PT1913619E (en) 2013-11-04
US20100072045A1 (en) 2010-03-25
WO2007016881A1 (en) 2007-02-15
DE112005003723A5 (en) 2008-07-10
CN101288140A (en) 2008-10-15
MX2008001885A (en) 2008-03-24
ES2442858T3 (en) 2014-02-13
JP2009505334A (en) 2009-02-05
HK1120924A1 (en) 2009-04-09
CN101288140B (en) 2012-01-25
EP1913619A1 (en) 2008-04-23

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