EP2337047B1 - Commutateur de puissance électrique ainsi qu'affichage de position correspondant - Google Patents

Commutateur de puissance électrique ainsi qu'affichage de position correspondant Download PDF

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Publication number
EP2337047B1
EP2337047B1 EP09015686.0A EP09015686A EP2337047B1 EP 2337047 B1 EP2337047 B1 EP 2337047B1 EP 09015686 A EP09015686 A EP 09015686A EP 2337047 B1 EP2337047 B1 EP 2337047B1
Authority
EP
European Patent Office
Prior art keywords
power switch
contact
display element
display
circuit breaker
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.)
Not-in-force
Application number
EP09015686.0A
Other languages
German (de)
English (en)
Other versions
EP2337047A1 (fr
Inventor
Achim Stelter
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.)
GE Grid GmbH
Original Assignee
Alstom Grid GmbH
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 Alstom Grid GmbH filed Critical Alstom Grid GmbH
Priority to EP09015686.0A priority Critical patent/EP2337047B1/fr
Priority to US12/926,246 priority patent/US8492667B2/en
Priority to CA2723193A priority patent/CA2723193A1/fr
Priority to BRPI1005602-5A priority patent/BRPI1005602A2/pt
Priority to CN201010610088.0A priority patent/CN102103941B/zh
Publication of EP2337047A1 publication Critical patent/EP2337047A1/fr
Application granted granted Critical
Publication of EP2337047B1 publication Critical patent/EP2337047B1/fr
Not-in-force 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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • 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
    • H01H33/02—Details
    • H01H33/46—Interlocking mechanisms
    • H01H33/50—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts

Definitions

  • the invention relates to an electrical circuit breaker according to the preamble of claim 1 and a switching position indicator for a circuit breaker according to claim 9.
  • FIG US-A-5663712 Another example of a circuit breaker having a display element is shown in FIG US-A-5663712 known.
  • a so-called switching position display can be assigned, with the help of a user is displayed, whether the circuit breaker in its off position and thus in a non-conductive state or in its closed position and thus in a conductive state located.
  • the object of the invention is to improve this switch position display.
  • the invention solves this problem by an electric circuit breaker with the features of claim 1.
  • the invention solves this problem also by a switch position display according to claim 9.
  • an electrical circuit breaker is provided with the features of claim 1.
  • the display element according to the invention is associated with the reverse gear. Thus, if a malfunction occurs in the area of the reverse gear, this has an influence on the display of the display element.
  • the circuit breaker can be configured in various ways.
  • the movement of the two contacts can also be designed differently than in the embodiment explained below be.
  • the reversing gear can generally be a coupling between the two contacts, which can be realized mechanically or otherwise. With the help of the switching position display according to the invention thus a malfunction of this particular coupling of the two contacts can be detected.
  • a second display element is present, which is coupled to the drive, wherein the two display elements are each provided to indicate a switch-off or a closed position of the circuit breaker, and wherein a malfunction of the circuit breaker is present when the two display elements different states Show.
  • the open position represents a non-conductive state and the closed position is a conductive state of the circuit breaker.
  • the reversing gear inter alia, a pivotable about a deflection shaft lever, wherein the first display element is associated with the lever.
  • the first display element is firmly connected to the deflection shaft.
  • the first display element according to the invention may optionally also be retrofitted to existing circuit breakers.
  • FIGS. 1a, 1b each show a schematic longitudinal section through an embodiment of an electrical circuit breaker according to the invention in its Off position and its on position, and FIG. 2 shows a perspective view of the back of the circuit breaker of FIGS. 1a, 1b ,
  • FIGS. 1a, 1b . 2 a single electrical circuit breaker 10 is shown, which is usually a component of a multi-phase switching device.
  • the circuit breaker 10 is a high-voltage circuit breaker which, as in FIGS FIGS. 1a, 1b shown, usually erected vertically standing outdoors.
  • the circuit breaker 10 can also be placed in an interior of a switchgear.
  • circuit breaker 10 has an approximately tubular insulator body 12 which defines a longitudinal axis 13.
  • an upper and a lower contact piece carrier 15, 16 are arranged, which are each approximately tubular and immersed in the insulator body 12 from above or below, and each having a radially projecting high-voltage terminal plate 17, 18, with which they each protrude outwardly beyond the insulator body 12.
  • the two high-voltage terminal plates 17, 18 of the electric conductive contact piece carrier 15, 16 represent the electrical terminal poles of the circuit breaker 10.
  • the upper contact piece carrier 15 is provided with a bottom 19, which contains an opening in which an electrically conductive first contact, namely a switching pin 21 is guided approximately coaxially to the longitudinal axis 13 slidably.
  • an electrically conductive second contact namely a tulip contact 22 approximately coaxially to the longitudinal axis 13 slidably guided.
  • the contact piece carrier 15, the bottom 19 and the switching pin 21 belong to a first, in the in the FIGS. 1a, 1b embodiment shown upper contact system and are conductively connected together.
  • the contact piece carrier 16 and the tulip contact 22 to a second, in the in FIGS. 1a, 1b shown embodiment lower contact system and are also connected to each other conductive.
  • the tulip contact 22 is usually a Isolierstoffdüse connected, which extends in the direction of the contact pin 21 and this largely surrounds. In the FIGS. 1a, 1b this Isolierstoffdüse is not shown for reasons of clarity.
  • the upper contact piece carrier 15 is closed by a hat-shaped cover 24.
  • a deflection shaft 26 is pivotally mounted.
  • the pivot axis of the deflection shaft 26 is aligned approximately transversely to the longitudinal axis 13 and lies in the FIGS. 1a, 1b perpendicular to the drawing plane.
  • FIG. 2 is a over the cover 24 to the outside projecting part of the deflection shaft 26 visible.
  • a lever 27 is rotatably connected.
  • the reversing lever 27 is aligned approximately transversely to the deflection shaft 26.
  • the reversing lever 27 is pivotally connected to a connecting rod 28, which in turn is pivotally connected to the switching pin 21.
  • a longitudinal slot 29 is contained, in which a sliding member 30 is slidably received.
  • the slider 30 is pivotally connected to a push rod 31.
  • the push rod 31 is aligned approximately parallel to the longitudinal axis 13 and extends through an opening in the bottom 19 of the upper contact piece carrier 15 in the direction of the lower contact piece carrier 16. There, the push rod 31 is connected to the tulip contact 22.
  • the push rod 31 is made of an insulating material. Of course, it is also conceivable that only a part of the push rod 31 consists of an insulating material or is constructed in isolation. In particular, the push rod 31 may consist of conductive material and have an insulating intermediate element.
  • the insulator body 12 continues downwards with an approximately tubular earth insulator 33.
  • the earth insulator 33 is closed with a lid 34, in which an opening is included, through which a drive rod 35 extends.
  • the drive rod 35 is aligned approximately coaxially with the longitudinal axis 13 and connected to the tulip contact 22.
  • the drive rod 35 is made of an insulating material or is at least partially insulating and is connected to a mechanical (with spring), electric, pneumatic or hydraulic drive 36.
  • the insulator body 12, the two high-voltage terminal plates 17, 18, the cover 24, the earth insulator 33 and its lid 34 form a gas-tight interior 38, which is filled with an insulating gas, for example with SF6.
  • an insulating gas for example with SF6.
  • a first display element 41 is fixedly attached to the deflection shaft 26.
  • the indicator 41 on the back of the circuit breaker 10 is therefore not fully visible while in the FIG. 2 showing the back of the circuit breaker 10, the display element 41 is completely visible.
  • the display element 41 is rod-like, is approximately transversely from the guide shaft 26 and points in the direction of an associated position indicator 42.
  • the first display element 41 can also be coupled in a different manner to the deflection shaft 26 and / or to the deflection lever 27 and / or to the connecting rod 28 and / or to the push rod 31. This coupling can be carried out directly or indirectly.
  • the first indicator element 41 is associated with the abovementioned components of the circuit breaker 10 forming a reversing gear 47, in particular the reversing lever 27, and only in the present special case Embodiment, the first display element 41 is fixedly connected to the deflection shaft 26.
  • a second display element 44 is fixedly mounted on the drive rod 35.
  • the display element 44 is rod-like, protrudes approximately transversely from the drive rod 35 and points in the direction of an associated position indicator 45th
  • the two position indicators 42, 45 each have two icons, namely a "0" for the off position and a "1" for the closed position.
  • the open position represents a non-conductive state and the closed position is a conductive state.
  • the power switch 10 is shown in its non-conductive state. This means that the contact pin 21 and the tulip contact 22 are spaced apart from each other and are not electrically connected.
  • the two display elements 41, 44 point to the image symbol "0" of the respective associated position indicator 42, 45. The two display elements 41, 44 thus indicate the non-conductive state of the circuit breaker 10.
  • the two display elements 41, 44 point to different image symbols of the respective associated position indicators 42, 45, then it can be concluded that a malfunction of the circuit breaker 10.
  • the non-conductive state of the circuit breaker 10 according to the FIG. 1a not at all, or at least not completely reached. This is equivalent to the fact that for the circuit breaker 10 which specified for its non-conductive state or required dielectric strength can not be guaranteed.

Claims (12)

  1. Disjoncteur électrique (10) comprenant un premier contact mobile et un deuxième contact mobile pouvant être déplacés en sens opposé, un entraînement (36) couplé au deuxième contact, et un mécanisme d'inversion de mouvement (47) qui établit une liaison entre le deuxième et le premier contact, caractérisé en ce qu'il est prévu un premier élément d'indication (41) associé au mécanisme d'inversion de mouvement (47).
  2. Disjoncteur (10) selon la revendication 1, dans lequel le premier et le deuxième contact (21, 22) sont mobiles le long d'un axe longitudinal (13) du disjoncteur (10).
  3. Disjoncteur (10) selon l'une des revendications 1 ou 2, dans lequel il y a un deuxième élément d'indication (44) couplé à l'entraînement (36), les deux éléments d'indication (41, 44) étant prévus chacun pour indiquer une position de coupure ou une position d'enclenchement du disjoncteur (10), un dysfonctionnement du disjoncteur (10) apparaissant lorsque les deux éléments d'indication (41, 44) affichent des états différents.
  4. Disjoncteur (10) selon l'une des revendications 1 à 3, dans lequel le mécanisme d'inversion (47) présente entre autres un levier de renvoi (27) pouvant pivoter autour d'un arbre de renvoi (26) et dans lequel le premier élément d'indication (41) est associé au levier de renvoi (27).
  5. Disjoncteur (10) selon la revendication 4, dans lequel le premier élément d'indication (41) est raccordé fixement à l'arbre de renvoi (26).
  6. Disjoncteur (10) selon l'une des revendications 4 ou 5, dans lequel au moins une partie de l'arbre de renvoi (26) fait saillie vers l'extérieur depuis le disjoncteur (10) et dans lequel le premier élément d'indication (41) est relié fixement à cette partie de l'arbre de renvoi (26).
  7. Disjoncteur (10) selon l'une des revendications 4 à 6, dans lequel le mécanisme d'inversion de mouvement (47) présente une bielle (28) et une tige de poussée (31) qui sont couplées chacune au levier de renvoi (27) et à l'un des deux contacts.
  8. Disjoncteur (10) selon l'une des revendications 3 à 7, dans lequel le deuxième élément d'indication (44) est relié à une tige d'entraînement (35) reliant l'entraînement (36) et le deuxième contact.
  9. Indicateur de position pour disjoncteur électrique (10), dans lequel le disjoncteur (10) est pourvu d'un premier contact mobile et d'un deuxième contact mobile pouvant être déplacés en sens opposé, et dans lequel le disjoncteur (10) est muni d'un entraînement (36) couplé au deuxième contact et d'un mécanisme d'inversion de mouvement (47) qui établit une liaison mécanique entre le deuxième et le premier contact, caractérisé en ce que l'indicateur de position présente un premier élément d'indication (41) qui est associé au mécanisme d'inversion de mouvement (47)
  10. Indicateur de position selon la revendication 9, dans lequel le mécanisme d'inversion de mouvement (47) présente entre autres un levier de renvoi (27) pouvant pivoter autour d'un arbre de renvoi (26) et dans lequel le premier élément d'indication (41) est associé au levier de renvoi (27).
  11. Indicateur de position selon la revendication 10, dans lequel le premier élément d'indication (41) est raccordé fixement à l'arbre de renvoi (26).
  12. Indicateur de position selon l'une des revendications 10 ou 11, dans lequel au moins une partie de l'arbre de renvoi (26) fait saillie vers l'extérieur depuis le disjoncteur (10), et dans lequel le premier élément d'indication (41) est raccordé fixement à cette partie de l'arbre de renvoi (26).
EP09015686.0A 2009-12-18 2009-12-18 Commutateur de puissance électrique ainsi qu'affichage de position correspondant Not-in-force EP2337047B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP09015686.0A EP2337047B1 (fr) 2009-12-18 2009-12-18 Commutateur de puissance électrique ainsi qu'affichage de position correspondant
US12/926,246 US8492667B2 (en) 2009-12-18 2010-11-04 Electrical circuit breaker and switch position indicator thereto
CA2723193A CA2723193A1 (fr) 2009-12-18 2010-11-30 Disjoncteur electrique et indicateur de position de l'interrupteur
BRPI1005602-5A BRPI1005602A2 (pt) 2009-12-18 2010-12-15 interruptor de potÊncia elÉtrico, bem como indicador de posiÇço de ligaÇço para o mesmo
CN201010610088.0A CN102103941B (zh) 2009-12-18 2010-12-20 电气断路器以及用于其的开关位置指示器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09015686.0A EP2337047B1 (fr) 2009-12-18 2009-12-18 Commutateur de puissance électrique ainsi qu'affichage de position correspondant

Publications (2)

Publication Number Publication Date
EP2337047A1 EP2337047A1 (fr) 2011-06-22
EP2337047B1 true EP2337047B1 (fr) 2014-07-02

Family

ID=42111499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09015686.0A Not-in-force EP2337047B1 (fr) 2009-12-18 2009-12-18 Commutateur de puissance électrique ainsi qu'affichage de position correspondant

Country Status (5)

Country Link
US (1) US8492667B2 (fr)
EP (1) EP2337047B1 (fr)
CN (1) CN102103941B (fr)
BR (1) BRPI1005602A2 (fr)
CA (1) CA2723193A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5989445B2 (ja) * 2012-07-31 2016-09-07 株式会社東芝 開閉装置用操作機構の緩衝装置
WO2016012841A1 (fr) * 2014-07-25 2016-01-28 Alstom Technology Ltd Disjoncteur pour lignes et systèmes électriques avec courant fort et valeur de court-circuit élevée
EP3082144B1 (fr) * 2015-04-15 2017-10-18 Siemens Aktiengesellschaft Dispositif de commutation électrique à came bi-piste
FR3124306A1 (fr) * 2021-06-16 2022-12-23 Schneider Electric Industries Sas Dispositif de coupure d’un circuit électrique de moyenne tension
CN113436917B (zh) * 2021-07-13 2023-02-07 宁波公牛数码科技有限公司 开关

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3399286A (en) * 1966-03-07 1968-08-27 Powerdyne Inc High voltage electric swtich
US3896282A (en) * 1973-05-25 1975-07-22 S & C Electric Co High voltage circuit interrupting device
US4238657A (en) * 1978-07-06 1980-12-09 S&C Electric Company Switch operator condition and position indicator mechanism
JPS57154739A (en) * 1981-03-19 1982-09-24 Tokyo Shibaura Electric Co Device for operating circuit breaker
US5663712A (en) * 1994-12-30 1997-09-02 Hubbell Incorporated Electrical contact position indicator assembly
ATE214199T1 (de) * 1995-01-06 2002-03-15 Gec Alsthom T & D Sa Lastschalter mit zwei löschkammern je pol
DE19730583B4 (de) * 1996-08-01 2007-06-21 Areva Energietechnik Gmbh Druckgasschalter
FR2763171B1 (fr) * 1997-05-07 1999-07-09 Gec Alsthom T & D Sa Disjoncteur avec sectionneur
FR2770678B1 (fr) * 1997-10-30 1999-12-31 Gec Alsthom T & D Sa Disjoncteur de generateur a commande mecanique unique
DE19814397C1 (de) * 1998-03-31 1999-12-23 Moeller Gmbh Anordnung zur Schaltstellungsanzeige und Abbrandanzeige bei einem elektrischen Schaltgerät
ATE349067T1 (de) * 2004-08-23 2007-01-15 Abb Technology Ag Hochleistungsschalter mit bewegungsumkehr
KR100631006B1 (ko) * 2005-05-14 2006-10-04 엘에스산전 주식회사 가스절연 개폐장치
US7579571B2 (en) * 2006-05-31 2009-08-25 Thomas & Betts International, Inc. Visible open indicator
FR2906929B1 (fr) * 2006-10-09 2009-01-30 Areva T & D Sa Actionnement par des contacts d'une chambre de coupure a double mouvement par un tube isolant
JP4911763B2 (ja) * 2006-10-17 2012-04-04 株式会社東芝 センサ付きｉｃタグによる動作監視機能を備えた電力用開閉装置
FR2915310B1 (fr) * 2007-04-17 2009-07-10 Areva T & D Sa Disjoncteur avec chambre de coupure a double mouvement et a structure inversee.

Also Published As

Publication number Publication date
US8492667B2 (en) 2013-07-23
US20110147179A1 (en) 2011-06-23
CN102103941A (zh) 2011-06-22
EP2337047A1 (fr) 2011-06-22
BRPI1005602A2 (pt) 2013-04-09
CA2723193A1 (fr) 2011-06-18
CN102103941B (zh) 2014-11-26

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