EP0992050B1 - Sectionneur de puissance haute tension a pieces de contact d'arc actionnables de maniere opposee - Google Patents

Sectionneur de puissance haute tension a pieces de contact d'arc actionnables de maniere opposee Download PDF

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Publication number
EP0992050B1
EP0992050B1 EP98942481A EP98942481A EP0992050B1 EP 0992050 B1 EP0992050 B1 EP 0992050B1 EP 98942481 A EP98942481 A EP 98942481A EP 98942481 A EP98942481 A EP 98942481A EP 0992050 B1 EP0992050 B1 EP 0992050B1
Authority
EP
European Patent Office
Prior art keywords
control lever
coupling rod
arcing contact
contact
arcing
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.)
Expired - Lifetime
Application number
EP98942481A
Other languages
German (de)
English (en)
Other versions
EP0992050A1 (fr
Inventor
Hold Dienemann
Volker Lehmann
Heiner Marin
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 EP0992050A1 publication Critical patent/EP0992050A1/fr
Application granted granted Critical
Publication of EP0992050B1 publication Critical patent/EP0992050B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H33/02—Details
    • H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
    • H01H33/245—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring using movable field electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H2033/028—Details the cooperating contacts being both actuated simultaneously in opposite directions
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle

Definitions

  • the invention is in the field of high-voltage circuit breakers and can be used in the structural design of the drive mechanism with which the auxiliary contacts used for arc quenching are driven in opposite directions to one another.
  • circuit breakers of this type the two auxiliary contacts, which are often referred to as arcing contact pieces and are coaxially opposite one another, are coaxially surrounded by the two continuous current contact pieces, one of which is arranged in a fixed manner and the other is axially drivable.
  • Circuit breakers of this type generally work with a gaseous extinguishing agent which flows through the separation area of the contact pieces in the switching case and the flow of which can be influenced by special pressure chambers and nozzles.
  • an insulating nozzle which is arranged within the continuous current contact pieces and surrounds the arcing contact pieces and which is firmly connected both to the drivable continuous current contact piece and to the driven arcing contact piece.
  • a drive element is fastened to the insulating material nozzle, which also transmits the drive movement of the driven continuous current contact piece to the second arcing contact piece by means of a deflection gear, in such a way that the two Arc contact pieces are driven in opposite directions.
  • the second arcing contact piece is guided in a sliding contact.
  • the drive element is as Rack formed, which acts via a gear on the second arcing contact piece also formed as a rack. The drive movement of the insulating material nozzle is linearly transmitted to the oppositely driven second arcing contact piece.
  • a locking mechanism with a locking mechanism that is moved by the driven contact pieces and a tensioning part that has a compression spring, which drives the oppositely movable arcing contact piece after triggering a pawl of the locking mechanism can also be used as a deflecting gear.
  • a thrust crank can also be used as the deflecting gear, the rotating part of which is formed by the toothed wheel which can be driven by the toothed rack connected to the insulating material nozzle (EP 0 696 040 A1).
  • the linear movement of the rack is transmitted sinusoidally to the second arcing contact.
  • the known deflection gears either provide a rigid coupling of the second, oppositely driven arcing contact piece to the complete lifting movement of the first driven arcing contact piece, or only a temporary coupling by means of an inaccurately operating locking mechanism.
  • the invention is therefore based on the object of designing the deflecting gear so that with a permanent positive connection between the driving first arcing contact piece and the oppositely driven second arcing contact piece, a drive of the second arcing contact piece on only part of the Switching stroke of the driving first contact piece enables and during this drive phase the opposite driven second arcing contact piece at a predeterminable point can run through a pronounced maximum speed.
  • the rod-like drive element consists of a coupling rod with a pin arranged transversely to the direction of thrust and that the deflecting gear has a two-armed, two stable end positions control lever, the two ends of which one for the backdrop-like guidance of the pin designed fork-like and the other end is articulated to the second arcing contact piece via a pendulum coupling consisting of an elongated hole and a further pin engaging in the elongated hole.
  • Such a configuration of the deflection gear is characterized by the use of fewer, simpler and lighter parts, so that the deflection gear has a low mass and is a self-contained assembly which can be made flat and therefore which is formed in the fixed continuous current contact when switching Flow of the insulating gas (exhaust gas) is not impeded.
  • the deflection gear also has a changing transmission ratio during the actuation process, which is designed in the manner of a sine half-wave and can be more than 1: 1 in maximum, i.e. the oppositely driven second arcing contact piece can during the decisive phase of the switch-off process (phase of the contact separation and the increasing contact distance) are moved at a greater speed than the first arcing contact piece.
  • the deflection gear is expediently designed such that the coupling rod is in a permanent current contact on the stationary attached guideway is that the fulcrum of the two-armed control lever between the push rod and the axis of the second arcing contact piece and is also connected to the fixed continuous current contact piece, that the two-armed control lever continues in its stable end positions obliquely to the push rod and to the axis of the second arcing contact piece, that in addition the fork-shaped end of the control lever between the two prongs with an elongated, mouth-like recess is provided and that the further pin arranged at the other end of the control lever is also arranged transversely to the direction of thrust of the coupling rod, the elongated hole in which this pin engages being located in a head part arranged on the second arcing contact piece, which in turn is located is guided axially in the slide bearing connected to the fixed part of the sliding contact.
  • the push rod has a slideway which with a the pivoting range of fork-shaped end of the control lever releasing recess is provided, and the two prongs of the fork-shaped end of the control lever are to be provided on the outside with flats for the control lever to rest on the bottom of the push rod in the two end positions of the control lever.
  • FIG. 1 shows a section of the fixed continuous current contact 5 of a high-voltage circuit breaker based on FIG. 2 of EP 0 313 813 B1, into which the axially drivable continuous current contact piece 4 with the insulating nozzle 8 attached thereto and the first, axially drivable arcing contact piece 9 protrude from the left.
  • the figure shows in the lower half the switch-on position of the drivable continuous current contact piece 4 and in the upper half the position of the insulating nozzle 8 in the switch-off position. - In the switched-on position, the insulating nozzle 8 also surrounds the oppositely driven second arcing contact piece 7.
  • the rod-like drive element 27 is fastened to the insulating nozzle 8, which is not designed here as a toothed rack but as a coupling rod and for driving a deflecting gear has a pin 28, which is transverse to Thrust direction of the coupling rod 27 provided with a U-shaped cross section is arranged.
  • the coupling rod can also have an L-shaped or T-shaped cross section, a cross-sectional part in each case forming a slideway for guiding the coupling rod.
  • the bottom 34 of the U-shaped cross section forms the slideway.
  • the coupling rod 27 is guided in two bearing cheeks 31, which are part of a housing 30.
  • This housing is attached to a contact bridge 32, which is attached to the fixed continuous current contact piece 5 and carries the fixed part 33 of a tubular sliding contact, in which the oppositely drivable second arcing contact piece 7 is contacted via contact lamellae.
  • the second arcing contact piece 7 is provided at its end facing away from the arcing circuit section with a flat head 13 which is guided in two slideways 35 of the housing 30 formed by the bearing cheeks 31.
  • the flat-shaped head 13 is provided with a slot 12 extending vertically to the coupling rod 27.
  • a two-armed control lever 10 is mounted on an axis 38 that runs vertically to the plane of the drawing, which is fork-shaped at one end and is provided with a pin 11 at its other end.
  • the pin 11 engages in the slot 12 on the head 13.
  • the fork-side end has two prongs 16 and 17 which enclose a mouth-like opening 18 into which the pin 28 of the coupling rod 27 can engage.
  • the two tines 16 and 17 are provided on the outside with a contact surface 19 and 20, with which the control lever 10 - depending on its position - comes to rest against the bottom 34 of the U-shaped cross-sectional profile of the coupling rod 27. Stops 36 and 37 in the housing 30 ensure that the control lever 10 remains in the respective contact position.
  • the two contact positions represent end positions between which the control lever 10 is moved under the action of the pin 28. So that the fork-like end can perform a rotary movement about the axis 38, the coupling rod 27 is provided in the bottom 34 of the U-shaped cross section with an elongated slot 29.
  • FIG. 5 shows the other end position of the control lever 10.
  • the coupling rod can move further to the left without the control lever 10 changing its position.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Circuit Breakers (AREA)
  • Mechanisms For Operating Contacts (AREA)

Abstract

L'invention concerne un sectionneur de puissance haute tension à pièces de contact d'arc (7, 9) actionnables de manière opposée. Dans ce sectionneur de puissance, le mécanisme de renvoi qui est accouplé à l'aide d'une tige d'entraînement (27) à la buse isolante (8) entraînée qui entoure les pièces de contact d'arc, se présente sous forme de mécanisme à levier actionné à l'aide d'un levier de commande (10) à deux bras. Une des extrémités du levier de commande (10) est en forme de fourche. Un tenon (28) qui est fixé sur la tige d'entraînement (27) s'engage dans cette extrémité. L'autre extrémité du levier de commande est articulée par l'intermédiaire d'un élément oscillant (tenon (11)/trou oblong (12) ou bielle) au niveau de la tête (13) de la seconde pièce de contact d'arc (7) actionnée de manière opposée.

Claims (4)

  1. Sectionneur de puissance à haute tension comprenant une première pièce (4) de contact à courant permanent pouvant être entraînée axialement et une deuxième pièce (5) de contact à courant permanent fixe et une première pièce (9) de contact d'arc électrique et une deuxième pièce (7) de contact d'arc électrique entourée coaxialement par les pièces de contact de courant permanent et qui sont en face l'une de l'autre coaxialement, ainsi qu'une buse (8) en matière isolante qui est reliée rigidement, tant à la première pièce (4) de contact de courant permanent qui peut être entraînée, qu'à la première pièce (9) de contact d'arc électrique, dans lequel, pour l'entraînement des deux pièces de contact d'arc électrique dans des sens opposés, le mouvement d'entraînement de la pièce (4) de contact de courant permanent qui peut être entraînée peut être transmis par un élément (27) d'entraînement fixé à la buse (8) en matière isolante, du type à tringle, et s'étendant parallèlement à la deuxième pièce (7) de contact d'arc électrique au moyen d'une transmission (28, 10, 12) de renvoi jusqu'à la deuxième pièce de contact d'arc électrique guidée dans un contact (3) glissant,
       caractérisé
    en ce que l'élément d'entraînement du type à tringle est constitué d'une tringle (27) d'accouplement ayant un tourillon (28) dirigé transversalement à la direction de poussée
    et en ce que la transmission de renvoi comporte un levier (10) de commande à deux bras ayant deux positions stables d'extrémité, dont l'une des deux extrémités est conformée en fourche (16, 17) pour le guidage du genre à coulisse du tourillon, et dont l'autre extrémité est articulée à la deuxième pièce (7) de contact d'arc électrique par l'intermédiaire d'un accouplement pendulaire constitué d'une boutonnière (12) et d'un autre tourillon (11) pénétrant dans la boutonnière.
  2. Sectionneur de puissance à haute tension suivant la revendication 1, caractérisé
    en ce que l'autre tourillon (11) est disposé à l'autre extrémité du levier (10) de commande
    et en ce que la boutonnière (12) est disposée verticalement par rapport à la tringle (27) d'accouplement sur la deuxième pièce (7) de contact d'arc.
  3. Sectionneur de puissance à haute tension suivant la revendication 1 ou 2, caractérisé
    en ce que la tringle (27) d'accouplement est guidée dans une voie (31) de guidage fixée sur le contact (5) de courant permanent fixe,
    en ce que le point (38) de rotation du levier (10) de commande à deux bras se trouve entre la tringle (27) d'accouplement et l'axe de la deuxième pièce (7) de contact d'arc électrique et est relié rigidement également à la pièce (5) de contact de courant permanent fixe,
    en ce que le levier (10) de commande à deux bras s'étend dans ses positions stables d'extrémité en étant incliné par rapport à la tringle (27) d'accouplement et par rapport à l'axe de la deuxième pièce (7) de contact d'arc électrique,
    en ce que l'extrémité en fourche du levier (10) de commande est munie entre les deux fourches (16, 17) d'une entrefourche (18) oblongue en forme de gueule,
    et en ce que l'autre tourillon (11) est disposé également transversalement à la direction de poussée de la tringle (27) d'accouplement.
  4. Sectionneur de puissance à haute tension suivant la revendication 1 à 3, caractérisé
    en ce que la tringle (27) d'accouplement comporte une voie (34) de glissement qui est munie d'un évidement (29) dégageant la zone de basculement de l'extrémité conformée en fourche du levier (10) de commande
    et en ce que les deux fourches (16, 17) de l'extrémité conformée en fourche du levier (10) de commande sont munies à l'extérieur de méplats (19, 20) pour l'application du levier (10) de commande sur la piste (34) de glissement de la tringle d'accouplement dans les deux positions d'extrémités du levier (10) de commande.
EP98942481A 1997-06-26 1998-06-26 Sectionneur de puissance haute tension a pieces de contact d'arc actionnables de maniere opposee Expired - Lifetime EP0992050B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19727850A DE19727850C1 (de) 1997-06-26 1997-06-26 Hochspannungs-Leistungsschalter mit zwei entgegengesetzt antreibbaren Lichtbogenkontaktstücken
DE19727850 1997-06-26
PCT/DE1998/001822 WO1999000814A1 (fr) 1997-06-26 1998-06-26 Sectionneur de puissance haute tension a pieces de contact d'arc actionnables de maniere opposee

Publications (2)

Publication Number Publication Date
EP0992050A1 EP0992050A1 (fr) 2000-04-12
EP0992050B1 true EP0992050B1 (fr) 2002-02-27

Family

ID=7834157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98942481A Expired - Lifetime EP0992050B1 (fr) 1997-06-26 1998-06-26 Sectionneur de puissance haute tension a pieces de contact d'arc actionnables de maniere opposee

Country Status (5)

Country Link
US (1) US6271494B1 (fr)
EP (1) EP0992050B1 (fr)
BR (1) BR9811270B1 (fr)
DE (2) DE19727850C1 (fr)
WO (1) WO1999000814A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7932476B2 (en) 2006-12-06 2011-04-26 Abb Technology Ag Transmission for an electrical circuit breaker

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29901205U1 (de) * 1999-01-15 1999-05-12 Siemens AG, 80333 München Hochspannungsleistungsschalter, insbesondere Druckgasleistungsschalter
DE10013233C2 (de) * 2000-03-13 2002-03-07 Siemens Ag Elektrischer Leistungsschalter
DE10054554B4 (de) * 2000-11-01 2006-06-14 Siemens Ag Hochspannungs-Leistungsschalter mit mehreren Schaltpolen
EP2325859B1 (fr) * 2009-11-24 2013-04-17 ABB Technology AG Commutateur à haute tension isolé du gaz
DE102011078483A1 (de) 2011-06-30 2013-01-03 Siemens Aktiengesellschaft Elektrisches Schaltgerät
DE102012200238A1 (de) * 2012-01-10 2013-07-11 Siemens Aktiengesellschaft Elektrisches Schaltgerät
DE102012211376A1 (de) 2012-06-29 2014-04-10 Siemens Aktiengesellschaft Schaltanordnung
DE102013200918A1 (de) 2013-01-22 2014-07-24 Siemens Aktiengesellschaft Schaltgeräteanordnung
FR3001329B1 (fr) 2013-01-24 2015-02-27 Alstom Technology Ltd Appareillage electrique a double mouvement de contacts comportant un dispositif de renvoi a deux leviers
CN105453209B (zh) * 2013-08-29 2017-05-24 株式会社日立制作所 气体断路器
DE102013223632A1 (de) * 2013-11-20 2015-05-21 Siemens Aktiengesellschaft Schaltanordnung sowie Verfahren zur Montage einer Schaltanordnung
JP6266448B2 (ja) * 2014-06-25 2018-01-24 株式会社日立製作所 ガス遮断器
JP6364358B2 (ja) 2015-02-03 2018-07-25 株式会社日立製作所 ガス遮断器
JP6685146B2 (ja) 2016-02-25 2020-04-22 株式会社日立製作所 ガス遮断器
JP6426114B2 (ja) 2016-03-28 2018-11-21 株式会社日立製作所 ガス遮断器
DE102016214221B4 (de) * 2016-08-02 2019-11-21 Siemens Aktiengesellschaft Getriebegehäuse eines Leistungsschalters
JP6824028B2 (ja) * 2016-12-27 2021-02-03 株式会社日立製作所 ガス遮断器
JP2019075194A (ja) * 2017-10-12 2019-05-16 株式会社日立製作所 ガス遮断器
DE102019214432B4 (de) 2019-09-23 2024-02-08 Siemens Energy Global GmbH & Co. KG Baugruppe für einen Hochspannungs-Leistungsschalter und entsprechender Hochspannungs-Leistungsschalter

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Publication number Priority date Publication date Assignee Title
DE1690093B1 (de) * 1967-11-24 1971-10-14 Siemens Ag Motorantrieb fuer elektrische schalter mit einer auf einer spindel laufenden wandermutter
FR2491675A1 (fr) * 1980-10-07 1982-04-09 Alsthom Atlantique Dispositif de coupure a double mouvement des contacts
CH675175A5 (fr) * 1987-10-27 1990-08-31 Bbc Brown Boveri & Cie
DE4427163A1 (de) * 1994-08-01 1996-02-08 Abb Management Ag Druckgasschalter
EP0953199B1 (fr) * 1997-01-17 2001-12-05 Siemens Aktiengesellschaft Disjoncteur haute tension a electrode de champ mobile axialement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7932476B2 (en) 2006-12-06 2011-04-26 Abb Technology Ag Transmission for an electrical circuit breaker

Also Published As

Publication number Publication date
DE59803205D1 (de) 2002-04-04
US6271494B1 (en) 2001-08-07
EP0992050A1 (fr) 2000-04-12
BR9811270B1 (pt) 2010-07-13
WO1999000814A1 (fr) 1999-01-07
DE19727850C1 (de) 1998-09-17
BR9811270A (pt) 2000-07-18

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