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EP0606265B1 - Interrupteur a vide multipolaire avec une unite d'entrainement polaire pour chaque tube commutateur a vide - Google Patents

Interrupteur a vide multipolaire avec une unite d'entrainement polaire pour chaque tube commutateur a vide Download PDF

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Publication number
EP0606265B1
EP0606265B1 EP92919461A EP92919461A EP0606265B1 EP 0606265 B1 EP0606265 B1 EP 0606265B1 EP 92919461 A EP92919461 A EP 92919461A EP 92919461 A EP92919461 A EP 92919461A EP 0606265 B1 EP0606265 B1 EP 0606265B1
Authority
EP
European Patent Office
Prior art keywords
lever
pole
vacuum
toggle
support lever
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
EP92919461A
Other languages
German (de)
English (en)
Other versions
EP0606265A1 (fr
Inventor
Manfred Binder
Werner Gruner
Detlev Schmidt
Ralf Seebold
Norbert Steinemer
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
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP0606265A1 publication Critical patent/EP0606265A1/fr
Application granted granted Critical
Publication of EP0606265B1 publication Critical patent/EP0606265B1/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
    • H01H33/60—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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H2003/323—Driving mechanisms, i.e. for transmitting driving force to the contacts the mechanisms being adjustable

Definitions

  • the invention relates to a multi-pole vacuum switch with a rectilinearly movable drive plunger having a vacuum interrupter per pole and a pole drive unit assigned to each vacuum interrupter Contact force spring and a housing supporting the lever arrangement and the contact force spring.
  • a vacuum switch of this type has become known from DE-A-34 14 016.
  • One of the properties of the vacuum switch described there is that the drive device is loaded by the contact forces of all poles when the vacuum interrupters are switched on. These forces are transmitted in a known manner from the lever arrangement to the drive device via an insulating coupling rod and have to be supported there.
  • the invention has for its object to reduce the stress on the drive device by the reaction of the contact forces. At the same time, a shift of the contact force springs as a whole is to be avoided when switching on and off by a one-sided fixed support, as is known per se (cf. DE-A-33 00 979).
  • the lever arrangement comprises two toggle levers, one of which is articulated to the drive plunger of the vacuum interrupter and the other is articulated to a support lever which is pivotally mounted at one end on the housing, at his is connected at the other end to the contact force spring and, in its rest position, extends approximately at right angles to the direction of movement of the drive plunger Assumes position while the toggle levers of the ON position of the vacuum switch are close to their extended position.
  • the specified arrangement of the toggle levers ensures that most of the reaction of the contact force springs is supported in each pole in the lever arrangement itself and in particular in the housing receiving the lever arrangement.
  • the drive device of the vacuum switch and the parts used to transmit the driving force to the pole drive unit are thus largely mechanically relieved. This relief occurs regardless of whether the toggle levers are in the forward or overstretched position.
  • the contact force spring is not moved as a whole during the switching operations, but can be supported in a stationary manner at one end, since a connection to the support lever belonging to the lever arrangement is only required at the opposite end.
  • the toggle lever connected to the support lever can be extended beyond the knee joint and the protruding lever part formed thereby can be designed as a coupling point with an insulating coupling rod connecting the drive device to the pole drive unit.
  • the connection of the coupling rod to the pole drive unit is facilitated because the knee joint bolt, apart from the connection of the toggle levers, has no other function to take over.
  • the length of the protruding lever part there is the possibility of influencing the transmission ratio of the lever arrangement.
  • the protruding lever part can have at least two passage openings arranged at different distances from the end of the one toggle lever connected to the support lever for the optional insertion of a coupling bolt, through which the drive device is connected to the pole drive unit.
  • the transmission ratio of the lever arrangement can be easily changed with unchanged movement of the drive device, for example if a vacuum interrupter with a larger or smaller switching stroke is to be used with an otherwise unchanged overall arrangement.
  • the articulated connection of one toggle lever to the support lever can be made adjustable;
  • an elongated hole for guiding a hinge pin, an eyebolt penetrated by the hinge pin and the position of the eyebolt relative to the support lever can be provided in the support lever.
  • a favorable arrangement of the contact force spring in the pole drive unit can be achieved in that a crosspiece is arranged in the housing as an abutment of the support lever in its rest position and at the same time as an abutment for one end of the contact force spring designed as a helical compression spring, with an opening for the opposite End of the contact force spring with the support lever connecting rod is provided.
  • Figure 1 shows a pole of a multi-pole vacuum switch with a pole drive unit in a side view.
  • FIGS. 2 and 3 show, in an enlarged view compared to FIG. 1, a pole drive unit with adjacent parts.
  • FIGS. 4 and 5 show a housing of a pole drive unit as an individual part in two views.
  • the vacuum circuit breaker 1 shown in FIG. 1 comprises, as essential assemblies, a box-shaped housing 2 with a drive device 3 therein, indicated by dashed lines, switching poles 4, each with a pole drive unit 5, and support insulators 6 for the insulated connection of the switching poles 4 to the housing 2 the view of the circuit breaker 1 in a side view, only one of the switching poles 4 is visible in FIG. 1.
  • Each switching pole 4 contains a vacuum switching tube 10 which extends with a vertical longitudinal axis between a pole head 11 and the pole drive unit 5 of the switching pole 4 in question. Details of the vacuum interrupter 10 are not shown, since any suitable interrupter can be used. In a known manner, the switching elements of the vacuum interrupter 10, not shown, can be closed and opened by a linear movement of a lower connecting bolt 12 which projects into the pole drive unit 5.
  • the fixed contact piece of the vacuum interrupter 10 is connected to an upper connecting bar 13 via the associated connecting bolt and a clamping device, while the movable contact piece is likewise connected to a lower connecting bar 15 via a clamping device and a flexible current band 14.
  • the pole drive unit 5 has a housing 16 with a U-shaped cross section, that as an individual part in FIG. 4 in a side view corresponding to FIG and is shown in Figure 5 in plan view.
  • a housing 16 with a U-shaped cross section, that as an individual part in FIG. 4 in a side view corresponding to FIG and is shown in Figure 5 in plan view.
  • elongated holes 18 are arranged, which serve to guide an articulated bolt 20 which connects the movable connecting bolt 12 of the vacuum interrupter 10 with an upper toggle lever 21 (FIG. 1).
  • a lower toggle lever 22 is connected to the upper toggle lever 21 by a knee joint pin 23 and likewise articulatedly connected to a support lever 25 by a connecting bolt 24 at its other end.
  • the support lever 25 is connected by a further hinge pin 28 to a pull rod 30 which carries an abutment 31 at the opposite end for supporting a contact force spring 32 designed as a helical compression spring.
  • the pull rod 30 extends through an opening in a crosspiece 33 which is provided with pins 34 which engage in rectangular openings 35 in the legs 17 of the housing 16 (FIG. 4).
  • the lower toggle lever 22 has a protruding lever part 36 which projects beyond the knee joint pin 23 and which is provided with two through openings 37 for the optional insertion of a coupling pin 38. 1 shows an insulating coupling rod 39 which connects the indicated drive device 3 to the lever part 36.
  • FIGS. 2 and 3 The mode of operation of the pole drive unit 5 is shown in more detail in FIGS. 2 and 3, in which only the pole drive unit 5 with the adjacent parts is shown in a representation corresponding to FIG. 1.
  • the support lever 25 rests against the crosspiece 33 at its end opposite the bearing pin 26 with a prestress given by the contact force spring 32.
  • the toggle levers 21 and 22 are in a bent position.
  • the existing between the toggle levers 21 and 22 Angle depends on an adjusting device which is arranged between the lower toggle lever 22 and the support lever 25. As can be seen in more detail in FIG.
  • the adjusting device comprises an eyebolt 40, the threaded shaft of which passes through a central part 41 of the support lever 25 which is U-shaped in cross section. Nuts 42 on both sides of the middle part 41 allow the position of the eye part 43 of the eye screw 40 to be adjusted relative to the middle part 41.
  • the connecting bolt 24 passes through the lower end of the lower toggle lever 22 and elongated holes 44 in the legs of the support lever 25.
  • the drive device 3 (FIG. 1) is released for switching on, the drive force is transmitted to the lever part 36 via the insulating coupling rod 39.
  • a larger or smaller transmission ratio results for the same angle of rotation of the switch shaft.
  • the adjusting device consisting of the eyebolt 40 and the nuts 42 on the underside of the pole drive unit 5 is easily accessible. It is therefore not difficult to make an adjustment of the toggle lever arrangement on the fully assembled circuit breaker 1.
  • the contact force spring 32 is supported on one side on the cross piece 33, so that its mass is not moved as a whole when switching. This avoids the tendency to natural vibrations and reduces the drive force to be applied compared to known arrangements in which the contact force spring is arranged in the course of the power transmission.

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

Un interrupteur à vide multipolaire (1) possède, pour chaque tube commutateur à vide (10), une unité d'entraînement polaire (5) avec un dispositif à levier pour changer la direction du mouvement donnée par un dispositif d'entraînement (3). Dans un boîtier (16) de l'unité d'entraînement polaire (5) sont disposées deux genouillères (21, 22), dont l'une (21) est reliée à une tige d'actionnement (12) du tube commutateur à vide (10) et l'autre à un levier de soutien (25) qui agit sur un ressort de contact (32) par l'intermédiaire d'une tige de traction (30). Dans la position de contact, les genouillères (21, 22) sont proches du point mort. Un dispositif de réglage (40, 42) permet de positionner les genouillères (21, 22) par rapport au levier de soutien (25).

Claims (5)

  1. Interrupteur multipolaire à vide (1) comportant un tube interrupteur à vide (10) ayant un poussoir d'entraînement (12) mobile en ligne droite, pour chaque pôle et une unité d'entraînement de pôle (5) associée à chaque tube interrupteur à vide (10), un dispositif à leviers pour envoyer la force d'entraînement mise à disposition par un dispositif d'entraînement (3) commun à tous les pôles au poussoir d'entraînement (12) et un ressort (32) produisant la force de contact et qui est disposé à peu près parallèlement à la direction de déplacement du poussoir d'entraînement (12), ainsi qu'un boîtier (16) d'appui du dispositif à leviers et du ressort (32) produisant la force de contact, caractérisé par le fait que le dispositif à leviers comprend deux leviers à genouillère (21,22), dont l'un (21) est articulé au poussoir d'entraînement (12) du tube interrupteur à vide (10) et dont l'autre (22) est articulé à un levier d'appui (25), qui, par l'une de ses extrémités, est monté basculant sur le boîtier (16) et est relié, par son autre extrémité, au ressort (32) produisant la force de contact et prend, dans sa position de repos, une position qui s'étend approximativement perpendiculairement à la direction de déplacement du poussoir d'entraînement (12), tandis que les leviers à genouillère (21,22) se trouvent, lorsque l'interrupteur à vide (1) est dans la position de fonctionnement, près de leur position déployée.
  2. Interrupteur à vide selon la revendication 1, caractérisé par le fait que le levier à genouillère (22), qui est relié au levier d'appui (25), se prolonge au-delà d'un axe d'articulation à genouillère (23), qui relie les leviers à genouillère (21,22) et que la partie saillante (36) du levier, qui est ainsi formée, est agencée sous la forme d'un point d'accouplement avec une barre d'accouplement isolante (39), qui relie le dispositif d'entraînement (30) à l'unité (35) d'entraînement du pôle.
  3. Interrupteur à vide suivant la revendication 2, caractérisé par le fait que la partie saillante (36) du levier comporte au moins deux ouvertures de passage (37), qui sont à des distances différentes de l'extrémité, reliée au levier de support (25), d'un levier à genouillère (22), et qui permettent l'insertion au choix d'un axe d'accouplement (38), par lequel le dispositif d'entraînement (3) est relié à l'unité (5) d'entraînement du pôle.
  4. Interrupteur à vide suivant l'une des revendications précédentes, caractérisé par le fait que la liaison articulée d'un levier à genouillère (22) avec le levier de support (25) est agencée de manière à être réglable et à cet effet il est prévu, dans le levier de support (25), une boutonnière (44) de guidage d'un axe de liaison (24), un piton vissé (40) traversé par l'axe de liaison (24) et des écrous (42) qui déterminent la position du piton vissé (40) par rapport au levier d'appui (25).
  5. Interrupteur à vide suivant l'une des revendications précédentes, caractérisé par le fait que dans le boîtier (16) de l'unité (5) d'entraînement du pôle est prévu, en tant que butée pour le levier d'appui (25) dans sa position de repos et simultanément en tant que butée pour une extrémité du ressort (32) produisant la force de contact, qui est agencé sous la forme d'un ressort hélicoïdal de compression, une pièce transversale (33), qui comporte une ouverture de passage pour une barre de traction (30), qui relie l'extrémité opposée du ressort (33) appliquant la force de contact au levier d'appui (25).
EP92919461A 1991-09-30 1992-09-11 Interrupteur a vide multipolaire avec une unite d'entrainement polaire pour chaque tube commutateur a vide Expired - Lifetime EP0606265B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4133092 1991-09-30
DE4133092A DE4133092A1 (de) 1991-09-30 1991-09-30 Mehrpoliger vakuumschalter mit einer polantriebseinheit fuer jede vakuumschaltroehre
PCT/DE1992/000785 WO1993007635A1 (fr) 1991-09-30 1992-09-11 Interrupteur a vide multipolaire avec une unite d'entrainement polaire pour chaque tube commutateur a vide

Publications (2)

Publication Number Publication Date
EP0606265A1 EP0606265A1 (fr) 1994-07-20
EP0606265B1 true EP0606265B1 (fr) 1995-07-19

Family

ID=6442133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92919461A Expired - Lifetime EP0606265B1 (fr) 1991-09-30 1992-09-11 Interrupteur a vide multipolaire avec une unite d'entrainement polaire pour chaque tube commutateur a vide

Country Status (9)

Country Link
US (1) US5523536A (fr)
EP (1) EP0606265B1 (fr)
JP (1) JP3274135B2 (fr)
CA (1) CA2120149A1 (fr)
DE (2) DE4133092A1 (fr)
DK (1) DK0606265T3 (fr)
ES (1) ES2075716T3 (fr)
UA (1) UA55364C2 (fr)
WO (1) WO1993007635A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005011405B3 (de) * 2005-03-03 2006-11-16 Siemens Ag Schaltgerät mit Wärmerohr

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FR2725303B1 (fr) * 1994-09-29 1996-10-31 Schneider Electric Sa Interrupteur ou disjoncteur moyenne tension
US5864109A (en) * 1998-01-30 1999-01-26 Lg Industrial Systems Co., Ltd. Terminal connection locking apparatus for vacuum circuit breaker
US6753493B2 (en) * 2001-06-01 2004-06-22 Hubbell Incorporated Electrical circuit interrupting device
JP4351988B2 (ja) * 2004-12-06 2009-10-28 三菱電機株式会社 開閉装置及び支持碍子
JP4606146B2 (ja) * 2004-12-09 2011-01-05 三菱電機株式会社 開閉装置
US7075027B1 (en) * 2005-05-19 2006-07-11 Eaton Corporation Spring-charged mechanism assembly employing two trunnion members moveable in different planes and circuit interrupter employing the same
CN102623237A (zh) * 2012-04-19 2012-08-01 长沙智通电力设备有限公司 真空断路器的永磁操动机构
EP2976776B1 (fr) * 2013-03-18 2018-05-02 ABB Schweiz AG Dispositif à actionnement magnétique pour un dispositif de commutation de courant
DE102013207436B4 (de) * 2013-04-24 2021-06-02 Siemens Aktiengesellschaft Antrieb für ein Schaltgerät und ein Schaltgerät mit einem derartigen Antrieb
CN105590802A (zh) * 2014-10-23 2016-05-18 苏州市吴中区欣鑫开关配件厂 高压断路器的连接装置及其制造方法

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US3663906A (en) * 1969-10-09 1972-05-16 Gen Electric Electric circuit breaker with magnetically assisted closing means
US4180788A (en) * 1978-07-03 1979-12-25 General Electric Company Vacuum circuit breaker with delayed trip operation
CH654138A5 (de) * 1981-06-30 1986-01-31 Sprecher & Schuh Ag Hochspannungs-leistungsschalter.
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DE3414016A1 (de) * 1984-04-12 1985-10-17 Siemens AG, 1000 Berlin und 8000 München Vakuumschaltgeraet mit einer antriebsvorrichtung sowie mit einer an dem beweglichen anschlussbolzen der schaltroehre abgestuetzten feder
EP0172986B1 (fr) * 1984-08-31 1990-12-27 Sprecher Energie AG Dispositif de commande pour un interrupteur électrique à contacts à pression, en particulier pour un interrupteur sous vide
US4713503A (en) * 1986-08-26 1987-12-15 A. B. Chance Company Three phase vacuum switch operating mechanism with anti-bounce device for interrupter contacts
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JPH06215672A (ja) * 1993-01-20 1994-08-05 Toshiba Corp 真空遮断器
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005011405B3 (de) * 2005-03-03 2006-11-16 Siemens Ag Schaltgerät mit Wärmerohr

Also Published As

Publication number Publication date
DK0606265T3 (da) 1995-12-18
ES2075716T3 (es) 1995-10-01
JPH06511107A (ja) 1994-12-08
WO1993007635A1 (fr) 1993-04-15
DE4133092A1 (de) 1993-04-01
DE59202981D1 (de) 1995-08-24
JP3274135B2 (ja) 2002-04-15
UA55364C2 (uk) 2003-04-15
EP0606265A1 (fr) 1994-07-20
US5523536A (en) 1996-06-04
CA2120149A1 (fr) 1993-04-15

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