EP1444713B2 - Leistungsschalter - Google Patents

Leistungsschalter Download PDF

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Publication number
EP1444713B2
EP1444713B2 EP02803738A EP02803738A EP1444713B2 EP 1444713 B2 EP1444713 B2 EP 1444713B2 EP 02803738 A EP02803738 A EP 02803738A EP 02803738 A EP02803738 A EP 02803738A EP 1444713 B2 EP1444713 B2 EP 1444713B2
Authority
EP
European Patent Office
Prior art keywords
outflow
flow
deflecting device
quenching gas
axial direction
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
EP02803738A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1444713A1 (de
EP1444713B1 (de
Inventor
Andrzej Nowakowski
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7706112&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1444713(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP1444713A1 publication Critical patent/EP1444713A1/de
Application granted granted Critical
Publication of EP1444713B1 publication Critical patent/EP1444713B1/de
Publication of EP1444713B2 publication Critical patent/EP1444713B2/de
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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • 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
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H2033/888—Deflection of hot gasses and arcing products

Definitions

  • the invention relates to a circuit breaker with a movable contact piece in an axial direction and with a switching case in the axial direction moving quenching gas flow which is coaxially surrounded by a flow deflecting device in a lateral surface at least one outflow opening for deflecting at least a portion of Extinguishing gas flow in an outflow direction.
  • Such a circuit breaker is for example from the Patent DE 199 53 560 C1 known.
  • a circuit breaker is described, the interrupter unit is disposed within a capsule housing.
  • the contact tube has outlet openings, from which the extinguishing gas emerges.
  • the quenching gas exits into a space which is delimited by a flow-deflecting device.
  • the local flow deflection device is essentially cylindrical and has discharge openings in its lateral surface.
  • the quenching gas can escape from the space delimited by the flow-deflecting device and into which the volumetric gas-filled volume surrounding the breaker unit of the circuit breaker flows.
  • Such a circuit breaker is also from the document JP 58 071 524 A known.
  • deflecting hoods are assigned to the outflow openings. These deflecting hoods redirect the escaping extinguishing gas in an axial direction of the interrupter unit. This deflection is necessary to prevent direct flow of the encapsulating by the quenching gas. With such a flow there would be the danger of a weakening of a gas insulation.
  • the assignment of the deflection hoods to the outflow openings represents a technically complex construction, because the deflecting hoods are assigned to each outflow opening individually and each deflecting hood is to be individually fastened to the flow deflecting device. Due to the relatively complicated arrangement of outflow openings and deflection hoods to each other, a simple production method, such as a casting process, for such an arrangement is not available.
  • the present invention has the object, a circuit breaker of the type mentioned in such a way that the steering of the emerging from an outflow extinguishing gas is optimized.
  • An advantageous embodiment may further provide that the flow-deflecting device has on the lateral surface a protrusion and / or a recess, on whose flanks the first and / or the second outflow opening are arranged.
  • first and / or the second outflow direction are arranged perpendicular to the lateral surface areas directly surrounding the first and / or the second outflow opening.
  • the survey / -en and / or the depression / -en ring-shaped and / or interrupted ring around the axial direction can further be provided.
  • the survey / -en and / or the recess / -en extend substantially web-like or channel-like in the axial direction.
  • the Indian FIG. 1 shown circuit breaker 100 has an encapsulating housing 101.
  • the encapsulating housing 101 may be made of an electrically conductive material or of an electrically insulating material.
  • an interrupter unit 102 of the circuit breaker 100 is arranged in the interior of the encapsulating housing 101.
  • the encapsulating housing 101 is filled with an insulating gas, for example SF 6 .
  • the interrupter unit 102 has a contact set 103.
  • the contact set 103 has a fixed rated current contact 104 and a movable rated current contact 105.
  • a fixed arc contact 106 and a movable arcing contact 107 are provided.
  • Both the movable rated current contact 105 and the movable arcing contact 107 are movable in an axial direction.
  • the lower half of the FIG. 1 shows the contact set 103 in the on state, the upper half of FIG. 1 shows the contact set 103 during a shutdown process.
  • the movable arc contact 107 is of tubular design, so that during a switch-off process by a possibly burning arc 108 resulting extinguishing gas within the movable arc contact 107 from the switching path of the contact set 103 can be dissipated.
  • outlet openings 109, 110 are provided, from which the quenching gas can escape into a space which is surrounded by a flow deflecting device 1.
  • the arrangement of the flow deflector 1 is not limited to the range of the contact set 103 applied to the end of the movable arcing contact 107.
  • such a flow-deflecting device can also be provided in the region of the fixed rated-current contact 104 in order to redirect the quenching gas flowing out in its direction there.
  • FIG. 2 shows a cross section through the flow deflecting device 1 and the encapsulating 101.
  • the flow-deflecting device 1 has a substantially circular cross-section. In their interior several tabs 4a, b, c, d, e, f are arranged. The tabs 4a, b, c, d, e, f serve both the mechanical support of the flow-deflecting device 1 on the interrupter unit 102 and the electrical contacting of the interrupter unit 102.
  • the cylindrical base body of the flow-directing device 1 has a plurality of elevations 5a, b, c, d , e, f on.
  • the elevations 5a, b, c, d, e, f are essentially formed by a widening of certain sections of the lateral surface of the cylindrical base body, with respect to the cylinder longitudinal axis 6 radially outward.
  • the transitions from the original cylinder jacket to the radially outwardly flared regions are formed by oblique flanks 7a, b, c, d, e, f, g, h, i, j, k, l.
  • the oblique flanks 7a, b, c, d, e, f, g, h, i, j, k, l each have outflow openings 10a, b, c, d, e, f, g, h, i, j, k , l for steering at least a portion of extinguishing gas generated in the interrupter unit 102.
  • Each outflow opening 10a, b, c, d, e, f, g, h, i, j, k, l directs a portion of the quenching gas in an outflow direction.
  • the outflow directions are each arranged such that they are directed perpendicular to the respective oblique flanks 7a, b, c, d, e, f, g, h, i, j, k, l.
  • the outflow directions of respective proportions of the quenching gas are in the FIG. 3 symbolized by arrows. Due to the selected position of the outflow openings 10a, b, c, d, e, f, g, h, i, j, k, l to each other, each intersect the outflow directions of two opposing outflow openings adjacent surveys. It is thereby achieved that the extinguishing gas is conveniently mixed after passing through the respective outflow openings. This mixing is schematically in the FIG. 3 shown.
  • FIG. 4 illustrated first variant of a flow deflecting device 1a shows a side view. Equally effective arrangements are provided in the figures with the same reference numerals.
  • a connecting piece 16 is formed for connecting an electrical conductor.
  • the first variant of the flow directing device 1a has a cylindrical basic shape, on the lateral surface of which a plurality of elevations 5a, b, c, d are arranged. The elevations 5a, b, c, d extend web-shaped along the axial direction.
  • one end of the first variant of the flow-deflecting device 1a is closed in order to remove the extinguishing gas injected into the first variant of the flow-deflecting device 1a through outflow openings 10b, c, d, f arranged in the elevations 5a, b, c, d to let flow out.
  • the elevations 5a, b, c, d have a truncated pyramidal outer shape.
  • a plurality of outflow openings 10b, c, d, f are arranged in the side surfaces (flanks) of the truncated pyramids.
  • the outflow openings 10b, c, d, f are formed in the first variant of the flow deflecting device 1a as a slot. It can be provided that in each case two outflow openings 10c, d of two adjacent elevations 5b, c are respectively assigned directly opposite one another and the outflow directions of the respectively directly assigned outflow openings 10c, d intersect.
  • the in the FIG. 5 illustrated second variant of a flow deflector 1b has on its cylindrical surface a plurality of recesses 11a, b, c, d. In the flanks of the recesses 11a, b, c, d are further outflow openings 12a, b, c, d, e, f arranged.
  • the outflow directions of the directly opposite in a recess 11c outflow openings 12d, e are directed so that they intersect.
  • the in the FIG. 6 illustrated third variant of a flow deflector 1c shows, by way of example, further possible design variants of the elevations or depressions.
  • the elevations or depressions can be arranged for example in a variety of different forms on the lateral surface of a flow deflecting device.
  • the formation of the respective outflow openings can be very variable, for example, circular, oval or other suitable shapes and, for example, as a vertical or oblique bore / milling.
  • this "bevel” causes the outflow openings to discharge the extinguishing gas into certain outflow directions independently of the design of the lateral surface.
  • truncated pyramidal elevations or depressions and other forms can be used advantageously.
  • Favorable forms are, for example: the shape of a spherical cap 13a, b, a tetrahedral stump 14 or an otherwise polygonal body 15. In order to obtain a favorable dielectric shape, the body edges and body edge transitions to other surfaces are rounded off.

Landscapes

  • Circuit Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
EP02803738A 2001-11-14 2002-10-29 Leistungsschalter Expired - Lifetime EP1444713B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10156535A DE10156535C1 (de) 2001-11-14 2001-11-14 Leistungsschalter
DE10156535 2001-11-14
PCT/DE2002/004061 WO2003046939A1 (de) 2001-11-14 2002-10-29 Leistungsschalter

Publications (3)

Publication Number Publication Date
EP1444713A1 EP1444713A1 (de) 2004-08-11
EP1444713B1 EP1444713B1 (de) 2005-03-23
EP1444713B2 true EP1444713B2 (de) 2009-11-11

Family

ID=7706112

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02803738A Expired - Lifetime EP1444713B2 (de) 2001-11-14 2002-10-29 Leistungsschalter

Country Status (5)

Country Link
US (1) US7022922B2 (ru)
EP (1) EP1444713B2 (ru)
DE (2) DE10156535C1 (ru)
RU (1) RU2293393C2 (ru)
WO (1) WO2003046939A1 (ru)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1403891B2 (de) † 2002-09-24 2016-09-28 ABB Schweiz AG Leistungsschalter
DE502004004571D1 (de) * 2004-06-07 2007-09-20 Abb Technology Ag Leistungsschalter
CN101120423B (zh) * 2004-12-24 2010-06-23 Abb技术有限公司 具有改进的断流容量的发电机开关
RU2342729C1 (ru) * 2004-12-24 2008-12-27 Абб Текнолоджи Аг Способ охлаждения выхлопного газа в электрическом выключателе и электрический выключатель
JP4806534B2 (ja) * 2005-03-31 2011-11-02 カヤバ工業株式会社 クロージング加工方法及びクロージング加工機
ATE458259T1 (de) * 2005-09-26 2010-03-15 Abb Technology Ag Hochspannungsschalter mit verbesserter schaltleistung
DE102006031219A1 (de) * 2006-06-30 2008-01-10 Siemens Ag Leistungsschalter mit einem Gehäuse
DE502006006123D1 (de) † 2006-12-06 2010-03-25 Abb Research Ltd Hochspannungsschalter mit einem isoliergasgefüllten Metallbehälter
DE102007063424A1 (de) 2007-12-19 2009-06-25 Siemens Ag Unterbrecheranordnung mit einem bewegbaren Schaltrohr
FR2966972B1 (fr) * 2010-10-27 2013-07-19 Areva T & D Sas Appareillage electrique sous enveloppe metallique comportant au moins un capot pare-effluve assurant des echanges convectifs
DE102011083588A1 (de) * 2011-09-28 2013-03-28 Siemens Aktiengesellschaft Anordnung aufweisend eine Leistungsschalterunterbrechereinheit
DE102012208140A1 (de) * 2012-05-15 2013-11-21 Siemens Aktiengesellschaft Elektrische Kontaktanordnung
DE102013010124A1 (de) * 2013-06-18 2014-12-18 Abb Technology Ag Schaltkammer für einen gasisolierten Leistungsschalter
EP3180598B1 (en) 2014-08-15 2024-03-06 Tenova Goodfellow Inc. System and method for analyzing dusty industrial off-gas chemistry
FR3030869B1 (fr) * 2014-12-19 2017-02-10 Alstom Technology Ltd Disjoncteur comprenant un capot d'echappement de gaz a ouverture obturable
KR101688950B1 (ko) * 2015-01-22 2016-12-22 엘에스산전 주식회사 배선용 차단기
WO2017162517A1 (en) * 2016-03-24 2017-09-28 Abb Schweiz Ag Electrical circuit breaker device
WO2018066119A1 (ja) * 2016-10-06 2018-04-12 株式会社 東芝 ガス遮断器
EP3503153B1 (en) * 2017-12-22 2021-09-01 ABB Power Grids Switzerland AG Gas-insulated high or medium voltage circuit breaker

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DE1889068U (de) † 1964-01-18 1964-03-12 Concordia Maschinen Und Elek Z Rohrloeschkammer mit kuehlvorrichtung.
CH645753A5 (en) † 1979-05-22 1984-10-15 Sprecher & Schuh Ag Gas-blast circuit breaker
EP0753873A1 (de) † 1995-07-13 1997-01-15 Siemens Aktiengesellschaft Hochspannungs-Leistungsschalter mit einem Isolierstoffkörper
EP0836209A2 (de) † 1996-10-09 1998-04-15 Asea Brown Boveri AG Leistungsschalter
EP0933795A2 (en) † 1998-01-29 1999-08-04 Kabushiki Kaisha Toshiba Gas circuit breaker
EP0817228B1 (de) † 1996-07-05 1999-12-08 Asea Brown Boveri AG Leistungsschalter
DE19850395A1 (de) † 1998-11-02 2000-05-04 Asea Brown Boveri Leistungsschalter
DE19928078A1 (de) † 1999-06-11 2000-12-14 Siemens Ag Hochspannungsleistungsschalter mit einem Abströmkanal
DE19928080C1 (de) † 1999-06-11 2001-02-08 Siemens Ag Hochspannungsleistungsschalter mit einem Abströmkanal

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Publication number Priority date Publication date Assignee Title
DE1889068U (de) † 1964-01-18 1964-03-12 Concordia Maschinen Und Elek Z Rohrloeschkammer mit kuehlvorrichtung.
CH645753A5 (en) † 1979-05-22 1984-10-15 Sprecher & Schuh Ag Gas-blast circuit breaker
EP0753873A1 (de) † 1995-07-13 1997-01-15 Siemens Aktiengesellschaft Hochspannungs-Leistungsschalter mit einem Isolierstoffkörper
EP0817228B1 (de) † 1996-07-05 1999-12-08 Asea Brown Boveri AG Leistungsschalter
EP0836209A2 (de) † 1996-10-09 1998-04-15 Asea Brown Boveri AG Leistungsschalter
EP0933795A2 (en) † 1998-01-29 1999-08-04 Kabushiki Kaisha Toshiba Gas circuit breaker
DE19850395A1 (de) † 1998-11-02 2000-05-04 Asea Brown Boveri Leistungsschalter
DE19928078A1 (de) † 1999-06-11 2000-12-14 Siemens Ag Hochspannungsleistungsschalter mit einem Abströmkanal
DE19928080C1 (de) † 1999-06-11 2001-02-08 Siemens Ag Hochspannungsleistungsschalter mit einem Abströmkanal

Also Published As

Publication number Publication date
US7022922B2 (en) 2006-04-04
DE50202588D1 (de) 2005-04-28
RU2004117866A (ru) 2006-01-10
US20040256361A1 (en) 2004-12-23
DE10156535C1 (de) 2003-06-26
RU2293393C2 (ru) 2007-02-10
WO2003046939A1 (de) 2003-06-05
EP1444713A1 (de) 2004-08-11
EP1444713B1 (de) 2005-03-23

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