EP1925007B1 - Tube commutateur a vide - Google Patents

Tube commutateur a vide Download PDF

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Publication number
EP1925007B1
EP1925007B1 EP05780624.2A EP05780624A EP1925007B1 EP 1925007 B1 EP1925007 B1 EP 1925007B1 EP 05780624 A EP05780624 A EP 05780624A EP 1925007 B1 EP1925007 B1 EP 1925007B1
Authority
EP
European Patent Office
Prior art keywords
contact
contact piece
vacuum interrupter
vacuum
piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP05780624.2A
Other languages
German (de)
English (en)
Other versions
EP1925007A1 (fr
Inventor
Nils Anger
Roman Renz
Ulf SCHÜMANN
Andreas Stelzer
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
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1925007A1 publication Critical patent/EP1925007A1/fr
Application granted granted Critical
Publication of EP1925007B1 publication Critical patent/EP1925007B1/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
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches

Definitions

  • the invention relates to a vacuum interrupter with a housing, a first contact system, which comprises a movable contact piece and a fixed contact piece, and a second contact system of a ground contact and a grounded counter contact piece, wherein the ground contact is arranged on a movable, sealing led out of the housing contact rod ,
  • a resulting during the separation process arc is plasma-physically shielded by a labyrinth-like shielding of the mating contact piece. Despite this labyrinthine shield, ions of the arc can be attracted to the ground potential of the mating contact, resulting in a polarity dependent switching capability of the vacuum interrupter.
  • the document EP 1 109 186 shows a vacuum interrupter according to the preamble of claim 1 object of the present invention is to form a vacuum interrupter of the type mentioned, in which an interaction of the arc is prevented with the grounded counter-contact piece.
  • this object is achieved in that the first contact system is held in the interior of the housing to vacuum-tight release means, which divide the interior of the vacuum interrupter into a first interior with the first contact system and a second interior with the second contact system.
  • the separating means comprise a partition plate held on the housing with a vacuum-tight passage.
  • This partition plate is preferably electrically conductive and provides a simple way to divide the interior of the housing of the vacuum interrupter into two mutually vacuum tight sealed interior spaces.
  • the movable contact rod extends through the partition plate and is connected in the first interior with the movable contact piece of the first contact system and a bellows forms on the partition plate, the vacuum-tight implementation.
  • the bellows is advantageously formed a vacuum-tight passage for the movable contact rod, by which a movement of the movable contact rod is made possible to move the arranged on the movable contact rod contacts between different positions.
  • the vacuum-tight passage is formed by a vacuum-tight recessed in the partition contact piece of the fixed contact piece of the first contact system and the movable contact rod forms with its inner end of the movable contact piece of a third contact system whose fixed contact piece is the contact piece.
  • the movable contact piece of the first contact system is attached to a further movable contact rod, which extends vacuum-tight in the first interior. Due to the arrangement of the other movable contact rod, the functions power interruption or switching and separation are independently executable independently, resulting in a more compact construction of the vacuum interrupter, since the current interruption and extinction of the arc, a small distance between the movable and the fixed contact piece is sufficient whereas dielectric separation requires greater spacing between the contacts.
  • a bellows forms the vacuum-tight implementation of the further movable contact rod.
  • a bellows is an advantageous means for forming a vacuum-tight passage for the movable contact rod.
  • the fixed contact piece and the movable contact piece are each formed from a copper-chromium material.
  • a copper-chromium material advantageously has a high switching capacity with simultaneous switch-on and generates only small overvoltages.
  • the fixed contact piece and the movable contact piece are each formed from a tungsten carbide silver material with a silver content between 20 and 50%. Such a material is also suitable for the formation of the first contact system.
  • the grounding contact and the mating contact piece are each formed from copper. Copper is a good electrically conductive material and therefore offers advantageous properties for the second contact system as a grounding contact system.
  • the grounding contact and the mating contact piece are each formed from a copper-chromium material.
  • a copper-chromium material has the advantages already described above and can therefore also be used for the second contact system.
  • the contacts of the third contact system are formed of copper. Copper with the properties already described above is a suitable material for the third contact system.
  • contacts of the third contact system are formed of a copper-chromium material.
  • a copper-chromium material can be used advantageously for the third contact system.
  • FIG. 1 shows a vacuum interrupter 1 with a housing 2, which comprises a housing plate 3 with a bushing 4, a further housing plate 5 and insulators 6, 7 and 8. Between the insulators 6 and 7 of the housing 2, an electrically conductive partition plate 9 is arranged, which is a vacuum-tight Implementation 10 has. Between the insulators 7 and 8 of the housing 2, a mating contact piece 11 is arranged, which is provided with an opening 12 and having a larger outer diameter than the insulators 7 and 8, so that a flange-like portion 13 on the vacuum interrupter 1 from the outside to the ground the mating contact piece 11 is accessible. A movable contact rod 14, which is conductively connected to a power supply, not shown, and an actuator extends through the passage 4 of the housing plate 3.
  • a bellows 15 is disposed on the housing plate 3 and the movable contact rod 14 so that the movable contact rod 14 from an interior of the vacuum interrupter is led out vacuum-tight.
  • the movable contact rod 14 extends through the opening 12 of the mating contact piece 11, wherein the opening 12 has a significantly larger diameter than the outer diameter of the movable contact rod 14.
  • the movable contact rod 14 further extends through the vacuum-tight passage 10 of the partition plate 9 and is connected at one end 17 to a movable contact piece 19, wherein a bellows 18 on the partition plate 9 and the movable contact piece 19 serves as a vacuum-tight passage, so that a vacuum-tight subdivision of the interior of the vacuum interrupter is formed in a first inner space 20 and a second inner space 21.
  • the movable contact piece 19 is arranged opposite in the second interior, a fixed contact piece 22 which is fixedly connected to the other housing plate 5.
  • the contact pieces 19 and 22 may be either Radialmagnetfeldête or Axialmagnetfeld briefly implemented, which with contact discs 23 and 24 for Improvement of the contact and erase properties of the first contact system are provided.
  • Arranged by A or B are arrows which characterize the direction of movement of the movable contact rod 14.
  • Shields 25, 26, 27, 28, 29, 30 on the housing plate 3, on opposite sides of the mating contact 11, 28 and 29 on opposite sides of the partition plate 9 on the other housing plate 5 are for shielding the insulators 6, 7 and 8 against a Steaming and potential control provided.
  • the vacuum interrupter 1 has three different possible positions, which can be assumed by movement of the movable contact rod 14 along the direction of movement indicated by the arrows A and B, respectively.
  • the in the FIG. 1 shown position corresponds to a disconnected position of the vacuum interrupter 1.
  • the movable contact piece 19 and the fixed contact piece 22 are spatially separated from each other and are not in a conductive connection. Between the ground contact 16 and the mating contact 11 is also in this position no conductive connection. If the movable contact rod 14 is moved in the direction of arrow B via a drive mechanism, not shown, then the switching position of the vacuum interrupter 1 is taken, in which the movable contact piece 19 and the fixed contact piece 22 is in a conductive connection. The vacuum interrupter 1 is in its switched position.
  • the movable contact rod 14 is moved away from the fixed contact piece 22 in the direction of the arrow A via the drive mechanism, then the position of the FIG. 1 taken, which corresponds to the disconnected position, and in a further movement in this direction, the grounding position of the vacuum interrupter 1 is finally taken, in which the grounding contact 16 forms a conductive connection with the mating contact 11.
  • the transfer between the individual Positions of the vacuum interrupter 1 is made possible by the flexibility of the bellows 15 and 18, which ensure the vacuum tightness of the first inner space 20 and the second inner space 21 during the movement of the movable contact rod 14.
  • FIG. 2 shows a further embodiment of a vacuum interrupter 1 'according to the invention.
  • a fixed contact piece 31 in the electrically conductive partition plate 9 is arranged so that a contact piece 33 of the fixed contact piece 31 is embedded in the partition plate 9, which forms the vacuum-tight passage 10 and extends into the second inner space 21.
  • a movable contact rod 32 extends through the passage 4 of the housing plate 3 in the second inner space 21, which is sealed by means of the bellows 15 to the outside vacuum-tight.
  • the movable contact rod 32 extends through the opening 12 of the mating contact piece 11 and has a grounding contact 16 on the side opposite the bellows side of the mating contact piece 11.
  • a movable contact piece 34 is fixedly arranged on a further movable contact rod 35, which extends through a passage 37 in the housing plate 36 from the first inner space 20 to the outside.
  • the contact rod 35 is connected to a power supply, not shown figuratively.
  • a bellows 38 is disposed on the housing plate 36 and the movable contact rod 35 for vacuum-tight separation of the first inner space 20 from the environment.
  • the movable contact piece 34 and the fixed contact piece 31, which form the first contact system, are provided with contact discs 23, 24. Shields 25 to 30 are on the respective housing plates, the partition plate and the mating contact arranged.
  • FIG. 2 In the arrangement of the FIG. 2 form the contact piece 33 of the fixed contact piece 31 and the end of the movable contact rod 32, a third contact system with contact surfaces 39, 40, wherein the contact surfaces 39 and 40 by contact discs 39 and 40 on the contact piece 33 and at the end of the movable contact rod to improve the contact properties of third contact system are formed.
  • a switching position of the vacuum interrupter 1 ' is achieved in this arrangement, that on the one hand via a drive, not shown, the movable contact rod 35 is moved with the movable contact piece 34 in the direction of the movement arrow C, so that the movable contact piece 34 and the fixed contact piece 31 a forming conductive connection, and the movable contact rod 32 is moved in the direction of the moving part A upwards, so that the contact piece 33 of the fixed contact piece 31 and the end of the movable contact rod 32 also form a conductive connection.

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Claims (13)

  1. Tube (1, 1') commutateur à vide, ayant un boîtier (2), un premier système (19, 22, 31, 34) de contact, qui comprend une pièce (19, 34) de contact mobile et une pièce (22, 31) de contact fixe, ainsi qu'un deuxième système (11, 16) de contact, composé d'un contact (16) de terre et d'une pièce (11) de contact antagoniste mise à la terre, le contact (16) de terre étant disposé sur une barre (14, 32) de contact mobile, sortie de manière étanche du boîtier (2),
    dans lequel
    le premier système de contact est maintenu à l'intérieur du boîtier sur des moyens (9, 18, 33) de séparation étanches au vide, qui subdivisent l'espace (20, 21) intérieur du tube (1, 1') commutateur à vide en un premier espace (20) intérieur ayant le premier système (19, 22, 31, 34) de contact et en un deuxième espace (21) intérieur ayant le deuxième système (11, 16) de contact,
    caractérisé en ce que
    la barre (14, 32) de contact mobile s'étend dans l'ouverture (12) de la pièce (11) de contact antagoniste, l'ouverture (12) ayant un diamètre nettement plus grand que le diamètre extérieur de la barre (14, 32) de contact mobile.
  2. Tube commutateur à vide suivant la revendication 1, caractérisé en ce que
    les moyens (9, 18) de séparation comprennent une plaque (9) de séparation, maintenue sur le boîtier (2) et ayant une traversée (10) étanche au vide.
  3. Tube commutateur à vide suivant la revendication 2,
    caractérisé en ce que
    la barre (14) de contact mobile passe à travers la plaque (9) de séparation et est reliée, dans le premier espace (20) intérieur, à la pièce (19) de contact mobile du premier système de contact et un soufflet (18), sur la plaque (9) de séparation, forme la traversée (10) étanche au vide.
  4. Tube commutateur à vide suivant la revendication 2,
    caractérisé en ce que
    la traversée (10) étanche au vide est formée d'une tubulure (33) de contact, introduite de manière étanche au vide dans la plaque de séparation, de la pièce (31) de contact fixe du premier système de contact et la barre (32) de contact mobile forme, par sa pièce d'extrémité intérieure, la pièce de contact mobile d'un troisième système de contact, dont la pièce de contact fixe est la tubulure (33) de contact.
  5. Tube commutateur à vide suivant la revendication 4,
    caractérisé en ce que
    la distance (s1), entre la pièce (31) de contact fixe et la pièce (34) de contact mobile du premier système de contact, est plus petite, dans la position d'ouverture, que la distance (s2) entre la pièce d'extrémité intérieure de la barre (32) de contact mobile et la tubulure (33) de contact du troisième système de contact, dans la position de séparation, et la distance (s1) correspond, au maximum, au produit de 0,35mm/Kv par la tension nominale du tube commutateur à vide.
  6. Tube commutateur à vide suivant la revendication 4 ou 5,
    caractérisé en ce que
    la pièce (34) de contact mobile du premier système de contact est montée sur une autre barre (35) de contact mobile, qui s'étend d'une manière étanche au vide dans l'espace (20) intérieur.
  7. Tube commutateur à vide suivant la revendication 6,
    caractérisé en ce qu'
    un soufflet (18) forme la traversée étanche au vide de l'autre barre (35) de contact mobile.
  8. Tube commutateur à vide suivant l'une des revendications précédentes,
    caractérisé en ce que
    la pièce (22, 31) de contact fixe et la pièce (19, 34) de contact mobile sont chacune en un matériau de cuivre-chrome.
  9. Tube commutateur à vide suivant l'une des revendications 1 à 7,
    caractérisé en ce que la pièce (22, 31) de contact fixe et la pièce (19, 34) de contact mobile sont chacune en un matériau carbure de tungstène-argent ayant une proportion d'argent comprise entre 20 et 50%.
  10. Tube commutateur à vide suivant l'une des revendications précédentes,
    caractérisé en ce que
    le contact (16) de mise à la terre et la pièce (11) de contact antagoniste sont chacune en cuivre.
  11. Tube commutateur à vide suivant l'une des revendications 1 à 9,
    caractérisé en ce que
    le contact (16) de mise à la terre et la pièce (11) de contact antagoniste sont chacun en un matériau de cuivre-chrome.
  12. Tube commutateur à vide suivant l'une des revendications 5 à 11,
    caractérisé en ce que
    les surfaces (39, 40) de contact du troisième système de contact sont en cuivre.
  13. Tube commutateur à vide suivant l'une des revendications 5 à 11,
    caractérisé en ce que
    les surfaces (39, 40) de contact du troisième système de contact sont en un matériau de cuivre-chrome.
EP05780624.2A 2005-09-12 2005-09-12 Tube commutateur a vide Active EP1925007B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2005/001613 WO2007031040A1 (fr) 2005-09-12 2005-09-12 Tube commutateur a vide

Publications (2)

Publication Number Publication Date
EP1925007A1 EP1925007A1 (fr) 2008-05-28
EP1925007B1 true EP1925007B1 (fr) 2018-10-31

Family

ID=36168627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05780624.2A Active EP1925007B1 (fr) 2005-09-12 2005-09-12 Tube commutateur a vide

Country Status (5)

Country Link
US (1) US20080245772A1 (fr)
EP (1) EP1925007B1 (fr)
JP (1) JP2009508294A (fr)
DE (1) DE112005003757A5 (fr)
WO (1) WO2007031040A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7724489B2 (en) 2007-08-18 2010-05-25 Ema Electromecanica S.A. Circuit breaker with high speed mechanically-interlocked grounding switch
DE102008023502B4 (de) * 2008-05-13 2010-06-17 Siemens Aktiengesellschaft Vakuumschaltröhre
EP2244275B1 (fr) 2009-04-23 2014-06-18 Ormazabal Y Cia., S.L.U. Appareils de coupure pour réseau de distribution électrique
GB2479524A (en) * 2010-03-31 2011-10-19 Brush Transformers Ltd Vacuum interrupter with earth terminal
DE102010024386B4 (de) * 2010-06-15 2012-06-06 Siemens Aktiengesellschaft Übertragungselement zur Übertragung von Antriebsbewegungen auf einen Bewegkontaktanschlussbolzen eines Schaltgeräts
DE102010045901B4 (de) * 2010-09-17 2012-12-27 Maschinenfabrik Reinhausen Gmbh Stufenschalter und Vakuumschaltröhre für einen solchen Stufenschalter
DE102010053466A1 (de) * 2010-11-30 2012-05-31 Maschinenfabrik Reinhausen Gmbh Stufenschalter und Vakuumschaltröhre für einen solchen Stufenschalter
JP5380467B2 (ja) 2011-01-06 2014-01-08 株式会社日立製作所 開閉器ユニット及びスイッチギヤ
US8445805B2 (en) 2011-01-07 2013-05-21 Michael David Glaser Vacuum switch with pre-insertion contact
DE102011008959B9 (de) * 2011-01-19 2012-04-26 Maschinenfabrik Reinhausen Gmbh Stufenschalter mit Vakuumschaltröhren
US8471166B1 (en) 2011-01-24 2013-06-25 Michael David Glaser Double break vacuum interrupter
BR112013022214A2 (pt) * 2011-04-02 2017-05-23 Reinhausen Maschf Scheubeck comutador de derivação com tubos de comutação a vácuo para comutação ininterrupta entre derivações de bobinagem de um transformador abaixador e tubo de comutação a vácuo para um comutador de derivação
US10170255B1 (en) 2018-06-26 2019-01-01 Michael D. Glaser Vacuum capacitor switch with pre-insertion contact

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1109186A2 (fr) * 1999-12-16 2001-06-20 Hitachi, Ltd. Interrupteur A vide avec dispositif de mesure de la pression de vide, et appareillage de commutation utilisant l'interrupteur sous vide et procédé d'opération pour cela

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL154369B (nl) * 1973-12-21 1977-08-15 Hazemeijer Bv Elektrische hoogspanningsschakelaar met twee in serie geschakelde schakeltrajecten.
DE4445172C2 (de) * 1994-12-17 1998-07-16 Abb Patent Gmbh Schaltfeld
JP2001307603A (ja) * 2000-04-19 2001-11-02 Hitachi Ltd 真空スイッチ及びそれを用いた真空スイッチギヤ
DE10030670C2 (de) * 2000-06-23 2002-06-13 Siemens Ag Vakuumschaltröhre mit zwei Kontaktsystemen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1109186A2 (fr) * 1999-12-16 2001-06-20 Hitachi, Ltd. Interrupteur A vide avec dispositif de mesure de la pression de vide, et appareillage de commutation utilisant l'interrupteur sous vide et procédé d'opération pour cela

Also Published As

Publication number Publication date
JP2009508294A (ja) 2009-02-26
US20080245772A1 (en) 2008-10-09
DE112005003757A5 (de) 2008-08-14
WO2007031040A1 (fr) 2007-03-22
EP1925007A1 (fr) 2008-05-28

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