EP0397294B1 - Antriebsvorrichtung für eine Vakuumschaltröhre mit einer Kontaktfeder - Google Patents

Antriebsvorrichtung für eine Vakuumschaltröhre mit einer Kontaktfeder Download PDF

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Publication number
EP0397294B1
EP0397294B1 EP90250112A EP90250112A EP0397294B1 EP 0397294 B1 EP0397294 B1 EP 0397294B1 EP 90250112 A EP90250112 A EP 90250112A EP 90250112 A EP90250112 A EP 90250112A EP 0397294 B1 EP0397294 B1 EP 0397294B1
Authority
EP
European Patent Office
Prior art keywords
lever
spring
armed lever
drive
drive device
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
EP90250112A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0397294A2 (de
EP0397294A3 (de
Inventor
Dietrich Rudolph
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
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 EP0397294A2 publication Critical patent/EP0397294A2/de
Publication of EP0397294A3 publication Critical patent/EP0397294A3/de
Application granted granted Critical
Publication of EP0397294B1 publication Critical patent/EP0397294B1/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
    • H01H33/60—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
    • 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
    • H01H2033/6667—Details concerning lever type driving rod arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18888—Reciprocating to or from oscillating
    • Y10T74/1892—Lever and slide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18888—Reciprocating to or from oscillating
    • Y10T74/1892—Lever and slide
    • Y10T74/18944—Link connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20582—Levers
    • Y10T74/206—Adjustable

Definitions

  • the invention relates to a drive device for switching a vacuum interrupter on and off with a pivotably mounted two-armed lever which transmits a drive force and a spring which acts on the lever and provides the contact force.
  • a drive device of this type is known from EP-B-0 159 960.
  • the invention has for its object to provide a drive device which also consists of as few parts as possible, but which, in contrast to the known drive device, is particularly suitable for actuation by a drive force acting approximately parallel to the longitudinal axis of the vacuum interrupter, and which is easily different strong spring force can be performed.
  • the spring is supported at one end on a stationary abutment and that the lever in its bearing is guided to a limited extent in an approximately parallel to the direction of actuation of the switching tube.
  • the bearing which can expediently be designed as an elongated hole, allows the lever to be pivoted about its articulated connection with the drive plunger of the switching tube. This process occurs when switching on, when the two-armed lever is pivoted until it touches the contact pieces and is then lifted off the bearing by the driving force against the force of the contact force spring and moved in the guide. When switching off, the lever is first pivoted in its bearing until the contact pieces come into contact with each other and the previously specified ones Movements occur.
  • An essential property of the drive device is that it can be adapted to different paths and forces within wide limits.
  • the introduction of the driving force to one end region of the lever and the coupling of the movable plunger of the vacuum interrupter to the other end region of the lever can take place while the spring acts between the pivot bearing and the drive-side end region of the two-armed lever.
  • the spring is arranged to engage one end region of the lever and the pivot bearing of the lever is located between the point of application of the spring and the articulation of the movable plunger of the switching tube on the lever. In both embodiments, there are different lever lengths for the translation from the contact force spring to the contact pieces.
  • a tilt-free attack of the actuating and driving forces can be achieved in that the two-armed lever is formed from two brackets arranged parallel to one another, the distance between which corresponds at least to the diameter of the spring.
  • the spring can then be hung, for example, on a pin or bolt passing through the tabs or partial levers.
  • the lever and the spring can be mounted or arranged in a stationary frame, the side walls of which are arranged at least around the diameter of the spring from the tabs of the lever.
  • a spring or additionally the spring of the basic arrangement can be provided instead of the one spring located between the tabs of the lever in the spaces between the side walls of the frame and the tabs of the lever. This means that three different forces are available regardless of the type of spring provided.
  • a bolt passing through the lever or its parallel tabs and a bolt supported parallel to it in the side walls of the frame can be provided with notches as positional securing means for the optionally provided springs. This ensures that the spring forces act symmetrically on the lever.
  • FIG. 1 and 2 show schematically a basic embodiment of the invention.
  • a vacuum interrupter is shown in FIG. 1 with closed contact pieces and in FIG. 2 open contact pieces.
  • FIGS. 3 and 4 Another basic exemplary embodiment is also illustrated in two switch positions in FIGS. 3 and 4.
  • FIG. 5 shows a side view of a constructional exemplary embodiment which corresponds to the principle of operation according to FIGS. 1 and 2 and which is suitable for the optional use of one to three contact force springs.
  • FIG. 6 shows the section VI-VI in FIG. 5, but with the vacuum interrupter omitted.
  • the drive device of a vacuum interrupter 1 which has a fixed connecting pin 2 with a fixed switching piece 3 and a movable drive plunger 4 with a movable switching piece 5.
  • the connecting bolt 2 also serves to fasten the switching tube 1 in a suitable and not shown Wise.
  • the drive plunger 4 is connected at its end by a joint arrangement 6 to a two-armed lever 7, at the opposite end of which the force used to switch on the switching tube 1 is introduced. This is indicated in FIG. 2 by an arrow and the identifier F.
  • the two-armed lever 7 is pivotable about a bearing pin 8, which is displaceable in an elongated hole 9 of a bearing block 10.
  • the elongated hole 9 is aligned approximately parallel to the longitudinal axis of the switching tube 1, ie parallel to the longitudinal axis of the connecting bolt 2 and the drive plunger 4.
  • the driving force F also acts approximately parallel to the longitudinal axis of the switching tube 1.
  • the switched-off state of the switching tube 1 is shown in FIG.
  • the two-armed lever 7 bears against a stop 12 under the influence of a tension spring 11.
  • the tension spring 11 is supported on the one hand on a stationary abutment 13 and on the other hand on a bolt 14 of the lever 7 which is located between the bearing bolt 8 and an end region 15 of the lever 7 provided for the application of the force F.
  • the bearing pin 8 lies against the end of the elongated hole 9.
  • the tension spring 11 determines both the hold-open force acting on the switching tube 1 in the position of the parts according to FIG. 1 and the contact force in the position of FIG. 2.
  • the two-armed lever 7 is likewise pivotably mounted and displaceably guided with a bearing pin 8 in an elongated hole 9.
  • the joint arrangement 6 for connecting the two-armed lever 7 and the switching tube 1 is not located at one end of the lever, but between the end region 15 and the bearing pin 8.
  • the tension spring 11 engages to an end region 16 of the lever 7, which lies opposite the end region 15.
  • a force F is again applied to the end region 15 of the two-armed lever 7, but in the opposite sense to that in the previous exemplary embodiment.
  • the two-armed lever 7 first pivots about its bearing pin 8 until the contact pieces 3 and 5 of the switching tube 1 touch and the joint arrangement 6 on the drive tappet 4 acts as a pivot bearing.
  • the tension spring 11 is tensioned to apply the desired contact force.
  • FIGS. 5 and 6 show a construction example for a lever arrangement according to the principle shown in FIGS. 1 and 2.
  • the two-armed lever 7 here consists of two tab-like partial levers 20 (FIG. 6) which are arranged parallel to one another at such a distance that the tension spring 11 (FIG. 5) can engage between the partial levers 20.
  • the bolt 14 is formed on both sides protruding beyond the partial lever 20, to the extent that additional tension springs can be hooked in if necessary.
  • the distance between the partial levers 20 and side walls 21 and 22 of a frame-like sheet metal part 23 is selected accordingly.
  • a holding bolt 24 serving as a fixed abutment for one or more tension springs is also supported in these side walls. Both the bolt 14 and the bolt 24 are provided with notch-like recesses 25 which prevent the springs from moving laterally.
  • the side walls 21 and 22 of the frame 23 also contain two elongated holes 9 for guiding the bearing pin 8.
  • the joint arrangement 6 comprises a bearing block 26 attached to the end of the drive tappet 3 with parallel surfaces corresponding to the distance between the partial levers 20. Furthermore, the bearing block 26 carries pins 27 on both sides, over which the partial levers 20 engage. A flexible current band 30 connects the drive plunger 4 to a fixed connection piece 31.
  • the frame 23 is fastened on an insulating support plate 32 which can be common for a number of frames corresponding to the number of poles of the switching device.
  • the support plate 32 is in turn attached to a grounded base frame 34 via support insulators 33.
  • the arrangement shown can also be upside down, i. H. be arranged with the base frame 34 above if the switching device is to be attached, for example, to the top wall of a container filled with an insulating gas.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
EP90250112A 1989-05-11 1990-05-03 Antriebsvorrichtung für eine Vakuumschaltröhre mit einer Kontaktfeder Expired - Lifetime EP0397294B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3915522A DE3915522A1 (de) 1989-05-11 1989-05-11 Antriebsvorrichtung fuer eine vakuumschaltroehre mit einer kontaktfeder
DE3915522 1989-05-11

Publications (3)

Publication Number Publication Date
EP0397294A2 EP0397294A2 (de) 1990-11-14
EP0397294A3 EP0397294A3 (de) 1992-06-17
EP0397294B1 true EP0397294B1 (de) 1995-02-15

Family

ID=6380512

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90250112A Expired - Lifetime EP0397294B1 (de) 1989-05-11 1990-05-03 Antriebsvorrichtung für eine Vakuumschaltröhre mit einer Kontaktfeder

Country Status (6)

Country Link
US (1) US5069077A (ja)
EP (1) EP0397294B1 (ja)
JP (1) JP2813032B2 (ja)
AT (1) ATE118644T1 (ja)
DE (2) DE3915522A1 (ja)
ES (1) ES2068330T3 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4133092A1 (de) * 1991-09-30 1993-04-01 Siemens Ag Mehrpoliger vakuumschalter mit einer polantriebseinheit fuer jede vakuumschaltroehre
KR940000049Y1 (ko) * 1991-12-13 1994-01-05 금성계전 주식회사 진공차단기의 아크방지용 개폐장치
DE4210714A1 (de) * 1992-03-27 1993-09-30 Siemens Ag Vakuumschalter mit einer Stromschleifenanordnung
DE4335967A1 (de) * 1993-10-21 1995-04-27 Sachsenwerk Ag Mittelspannungs-Schaltgeräte
DE19808083C1 (de) * 1998-02-20 1999-04-29 Siemens Ag Vakuumschalter
FR2807204B1 (fr) 2000-03-31 2002-05-24 Schneider Electric Ind Sa Appareillage electrique de coupure multipolaire muni d'un mecanisme d'entrainement et de modules de coupure
DE10050138C2 (de) * 2000-10-11 2003-01-30 Felten & Guilleaume Ag Antrieb für elektrische Schalter
CN1305090C (zh) * 2004-04-06 2007-03-14 沈阳昊诚开关成套设备有限公司 纵向真空断路器传动机构
DE102008062549B3 (de) * 2008-12-16 2010-02-04 Siemens Aktiengesellschaft Schaltvorrichtung zum mittelbaren Schließen oder Trennen einer Schaltstelle
US9208937B2 (en) 2009-02-27 2015-12-08 Cyntec Co., Ltd. Choke having a core with a pillar having a non-circular and non-rectangular cross section
EP2460637B1 (en) 2010-12-03 2013-11-13 ABB Technology AG A push rod of a vacuum interrupter and method of manufacturing the same
US20120227519A1 (en) * 2011-03-07 2012-09-13 Satyajit Patwardhan Actuating Mechanism for Electric Vehicle Charging System
RU180079U1 (ru) * 2017-07-25 2018-06-04 Общество с ограниченной ответственностью "МФК ТЕХЭНЕРГО" Аппарат низкого напряжения с механизмом проверки
CN111681906B (zh) * 2020-03-13 2022-06-17 安德利集团有限公司 真空断路器
CN111446104A (zh) * 2020-03-27 2020-07-24 株洲庆云电力机车配件工厂有限公司 双拐式传动机构及用于电力机车的真空断路器

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US376752A (en) * 1888-01-24 Operating mechanism for churns
US2525470A (en) * 1945-02-16 1950-10-10 Westinghouse Electric Corp Valve mechanism
BE487106A (ja) * 1948-10-02
DE817173C (de) * 1948-10-02 1951-10-15 Rudolf Bogenschuetz Elektrotec Gelenkige Laschenverbindung von Steuerungsteilen in Schaltvor-richtungen, Regeleinrichtungen und insbesondere in elektrischen Selbstschaltern
DE1020531B (de) * 1955-08-13 1957-12-05 Daimler Benz Ag Fusshebel fuer Kraftfahrzeuge
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Also Published As

Publication number Publication date
EP0397294A2 (de) 1990-11-14
JP2813032B2 (ja) 1998-10-22
ATE118644T1 (de) 1995-03-15
EP0397294A3 (de) 1992-06-17
DE3915522A1 (de) 1990-11-15
US5069077A (en) 1991-12-03
JPH034417A (ja) 1991-01-10
DE59008456D1 (de) 1995-03-23
ES2068330T3 (es) 1995-04-16

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