EP1913619B1 - Pole d'interrupteur comportant un cadre de support pourvu de moyens d'encliquetage - Google Patents

Pole d'interrupteur comportant un cadre de support pourvu de moyens d'encliquetage 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
Authority
EP
European Patent Office
Prior art keywords
mounting frame
switch pole
support frame
latching means
side walls
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP05777783.1A
Other languages
German (de)
English (en)
Other versions
EP1913619A1 (fr
Inventor
Karsten Freundt
Ralph LÖSER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1913619A1 publication Critical patent/EP1913619A1/fr
Application granted granted Critical
Publication of EP1913619B1 publication Critical patent/EP1913619B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—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)

Claims (7)

  1. Pôle (1) d'interrupteur pour interrompre un courant électrique alternatif comprenant un bâti (2) porteur en une matière isolante et un tube (6) commutateur, qui s'étend dans une direction longitudinale à l'intérieur du bâti (2) porteur entre une borne (3) d'entrée et une borne (8) de sortie et qui est conçu pour interrompre le courant alternatif entre la borne (3) d'entrée et la borne (8) de sortie, la borne (3) d'entrée, la borne (8) de sortie et le tube (6) commutateur étant maintenus par le bâti (2) porteur, le bâti (2) porteur ayant des moyens de fixation pour la réception de parties (18, 19) isolantes supplémentaires, par lesquelles la propriété isolante du bâti (2) porteur est augmentée,
    caractérisé en ce que
    les moyens de fixation sont constitués sous la forme de moyens (17, 26) d'encliquetage, les parties (18, 19) isolantes supplémentaires ont en section transversale au moins en partie un profil en U et les branches (25) libres du profil en U s'appliquent à l'état monté, du côté frontal, à des épaulements (26) de butée constitués dans les parois (12, 13) latérales et sont pressés par leur côté extérieur sur des côtés intérieurs des parois (12, 13) latérales, de manière à procurer un ajustage serré de la pièce (19) isolante supplémentaire sur le bâti (2).
  2. Pôle (1) d'interrupteur suivant la revendication 1,
    caractérisé en ce que
    le bâti (2) porteur est en une matière plastique de forme stable mécaniquement et les parties (18, 19) isolantes supplémentaires sont en une matière plastique déformable élastiquement.
  3. Pôle (1) d'interrupteur suivant l'une des revendications précédentes,
    caractérisé en ce que
    les parties (18, 19) isolantes supplémentaires reçues dans les moyens (17, 26) d'encliquetage forment avec les moyens (17, 26) d'encliquetage une structure en labyrinthe.
  4. Pôle (1) d'interrupteur suivant l'une des revendications précédentes,
    caractérisé en ce que
    les moyens d'encliquetage sont constitués sous la forme de rainures (17) d'encliquetage.
  5. Pôle (1) d'interrupteur suivant l'une des revendications précédentes,
    caractérisé en ce que
    le bâti (2) porteur a des parois (12, 13) latérales et en ce que les moyens (17, 26) d'encliquetage s'étendent dans la direction longitudinale sur les parois (12, 13) latérales.
  6. Pôle (1) d'interrupteur suivant l'une des revendications 1 à 5,
    caractérisé en ce que
    les branches (25) libres du profil en U sont insérées à l'état monté, du côté frontal, dans des rainures (17) d'encliquetage du bâti (2) porteur.
  7. Pôle (1) d'interrupteur suivant l'une des revendications précédentes,
    caractérisé en ce que
    les parties (12, 13) isolantes supplémentaires ont au moins en partie des tubulures qui, à l'état monté, s'étendent devant la borne (3) d'entrée et/ou la borne (8) de sortie.
EP05777783.1A 2005-08-10 2005-08-10 Pole d'interrupteur comportant un cadre de support pourvu de moyens d'encliquetage Active EP1913619B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2005/001435 WO2007016881A1 (fr) 2005-08-10 2005-08-10 Pole d'interrupteur comportant un cadre de support pourvu de moyens d'encliquetage

Publications (2)

Publication Number Publication Date
EP1913619A1 EP1913619A1 (fr) 2008-04-23
EP1913619B1 true EP1913619B1 (fr) 2013-10-16

Family

ID=36016920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05777783.1A Active EP1913619B1 (fr) 2005-08-10 2005-08-10 Pole d'interrupteur comportant un cadre de support pourvu de moyens d'encliquetage

Country Status (10)

Country Link
US (1) US20100072045A1 (fr)
EP (1) EP1913619B1 (fr)
JP (1) JP2009505334A (fr)
CN (1) CN101288140B (fr)
DE (1) DE112005003723A5 (fr)
ES (1) ES2442858T3 (fr)
HK (1) HK1120924A1 (fr)
MX (1) MX2008001885A (fr)
PT (1) PT1913619E (fr)
WO (1) WO2007016881A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011006013B3 (de) * 2011-03-24 2012-08-16 Siemens Aktiengesellschaft Vakuumschaltröhre und Schalterpol
DE102011086808A1 (de) 2011-11-22 2013-05-23 Siemens Aktiengesellschaft Schalterpol für einen Leistungsschalter
DE102011086810B3 (de) 2011-11-22 2013-02-28 Siemens Aktiengesellschaft Polschale für einen Leistungsschalter
US10290437B1 (en) 2013-03-15 2019-05-14 Innovative Switchgear IP, LLC Interrupter spring guide assembly
FR3023655B1 (fr) * 2014-07-11 2018-04-13 Schneider Electric Industries Sas Pole d'appareillage electrique recyclable
DE102015224353A1 (de) 2015-12-04 2017-06-08 Siemens Aktiengesellschaft Polschale für einen Leistungsschalter
EP3410455B1 (fr) * 2017-05-31 2020-08-05 ABB Schweiz AG Ensemble de pôle moyenne tension
KR102159960B1 (ko) 2019-02-22 2020-09-25 엘에스일렉트릭(주) 극 부품 및 이를 포함하는 차단기

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DE2211413C3 (de) * 1972-03-06 1975-12-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Mehrpoliges Vakuumschaltgerat
US4019005A (en) * 1974-12-30 1977-04-19 I-T-E Imperial Corporation Multi-pole circuit breaker with baffle shield venting
DE8028797U1 (de) 1980-10-29 1981-02-19 Calor-Emag Elektrizitaets-Aktiengesellschaft, 4030 Ratingen Vakuumschalter
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 (de) * 1981-03-31 1982-10-14 Sachsenwerk, Licht- und Kraft-AG, 8000 München "isolierter vakuum-leistungsschalter"
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US4879441A (en) * 1988-08-04 1989-11-07 Cooper Industries, Inc. Dielectric barrier for a vacuum interrupter
JPH02281521A (ja) * 1989-03-16 1990-11-19 Sprecher Energ Ag 多極真空遮断器および多極真空遮断器のための絶縁支持枠
DE4133091C2 (de) * 1991-09-30 1995-06-01 Siemens Ag Vakuumschalter mit einer Antriebsvorrichtung und einer Polantriebseinheit
US5589675A (en) * 1994-04-08 1996-12-31 Trinetics, Inc. Vacuum switch
DE9409006U1 (de) * 1994-05-30 1994-07-28 Siemens Ag Isolierträger für Vakuumschaltröhren
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DE19850207A1 (de) * 1998-10-23 2000-04-27 Siemens Ag Isolierträger für Vakuumschütze
FR2807203B1 (fr) * 2000-03-31 2002-05-24 Schneider Electric Ind Sa Module de coupure comportant une ampoule a vide et des moyens de fixation, et appareillage electrique de coupure comportant un tel module
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Also Published As

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

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