EP1631977B1 - Verstelleinrichtung zum verstellen eines beweglichen kontaktes einer schalteinrichtung - Google Patents

Verstelleinrichtung zum verstellen eines beweglichen kontaktes einer schalteinrichtung Download PDF

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Publication number
EP1631977B1
EP1631977B1 EP04731301A EP04731301A EP1631977B1 EP 1631977 B1 EP1631977 B1 EP 1631977B1 EP 04731301 A EP04731301 A EP 04731301A EP 04731301 A EP04731301 A EP 04731301A EP 1631977 B1 EP1631977 B1 EP 1631977B1
Authority
EP
European Patent Office
Prior art keywords
bolt
movable contact
guide
zone
displacement 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
EP04731301A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1631977A1 (de
Inventor
Jürgen EINSCHENK
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 EP1631977A1 publication Critical patent/EP1631977A1/de
Application granted granted Critical
Publication of EP1631977B1 publication Critical patent/EP1631977B1/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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H2009/307—Means for extinguishing or preventing arc between current-carrying parts with slow break, e.g. for AC current waiting for a zero crossing

Definitions

  • the invention relates to an adjusting device for adjusting a movable contact of a switching device with a connected at one end to the movable contact and at the other end with a pin drive rod for adjusting the movable contact, a link plate, by means of which the bolt between an open position the movable contact corresponding first position and a closed position of the movable contact corresponding second position and is guided vice versa, and a movable means of a drive unit in two opposite directions, connected to the link disc coupling rod, wherein by a movement of the coupling rod in the first direction guiding the bolt to its first position and by moving the connecting rod in the second direction, guiding the bolt to its second position is achievable.
  • the guide slot provided in the link plate is designed in such a way that it adjoins a long, rectilinearly extending first region, which allows rapid opening and Closing the movable contact of the vacuum switch is used, a smaller, slightly angled further region of the guide gap connects, in which the bolt in the closed position of the movable contact, so to speak, and thus holds the movable contact securely in its closed position. Further, this other area serves to reduce the speed of the movable contact just before closing, so that rebound of the movable contact from a fixed contact when closing can be largely prevented.
  • the invention has for its object to form an adjustment of the initially introduced type such that an occurring when the movable contact opening arc can be safely deleted.
  • the link plate has an intermediate region with a designed such that in their reciprocating motion through the coupling rod of the bolt between its first position and its second position in each case Intermediate position is sustainable.
  • This can be particularly advantageous for extinguishing an arc optimum path-time characteristic when opening the movable contact be specified.
  • An advantageous embodiment of the adjusting device according to the invention provides that, in the intermediate position of the bolt, the intermediate region is designed to run without gradient and adjoin the intermediate region on the one hand a first guide region and on the other hand a second guide region, wherein the guide regions extend obliquely with respect to the intermediate region.
  • the link plate allows the required path-time characteristic to be achieved particularly easily.
  • the first guide region has a steeper course than the second guide region.
  • the first and / or the second guide region have a curved course. This makes the path-time characteristic even more accurate be adapted to a required course. For example, by a correspondingly curved course of the second guide region, the speed of the movable contact can be further reduced shortly before closing.
  • the first and second guide region each have a linear course.
  • straight, course can be a particularly simple production of the crank plate of the adjustment can be achieved.
  • a further advantageous embodiment of the adjusting device according to the invention further provides that the bolt is guided by means of the link plate in a guide gap having the first and second guide region and the intermediate region. In this way, a particularly secure guidance of the bolt can be achieved without the aid of further components.
  • the link plate is mounted at its end facing away from the movable contact at a pivot point.
  • the link plate in a particularly simple manner movable z. B. are mounted in a housing enclosing the adjustment.
  • a further advantageous embodiment of the adjusting device according to the invention further provides that the bolt connected to the drive rod is also connected to one end of a support rod, which at its other end to a is stored another fixed pivot point.
  • a support rod can thereby be particularly easy to prevent movement of the bolt and thus the drive rod of the movable contact transverse to the opening or closing direction of the movable contact.
  • the bolt is arranged guided by two identically designed, mutually parallel link plates. Due to the design with a bolt guided by two identical link plates, it is particularly easy to achieve a secure guiding of the bolt and, if necessary, to prevent the bolt from tilting during the opening or closing movement.
  • FIG. 1 is schematically shown an adjusting device 1 for adjusting a movable contact 2a of a likewise only schematically illustrated switching device in the form of a vacuum circuit breaker 3.
  • a (in FIG. 1 not shown) drive means connected coupling device in the form of a coupling rod 4 are in this case two mutually parallel link plates 5 and 6 moves.
  • the coupling rod 4 is pivotally connected to the link plates 5 and 6 at a connection point 14, for example by means of an axis extending between the two crank disks 5, 6 axis.
  • the slotted discs 5.6 are also rotatably connected at its lower end to a fixed pivot point 16, for example, with a housing part of a housing enclosing the adjusting device 1.
  • FIG. 1 is schematically shown an adjusting device 1 for adjusting a movable contact 2a of a likewise only schematically illustrated switching device in the form of a vacuum circuit breaker 3.
  • the link plate 5 is shown broken away just before the coupling rod 4 to release the view of the coupling rod 4 and the underlying behind the link plate 5 further link plate 6.
  • the link discs 5 and 6 have according to FIG. 1 depending on a guide gap 7, said guide gap 7 consists of three adjacent sections 7a, 7b and 7c.
  • a first guide region 7a of the guide gap 7 is initially provided, wherein this first guide region 7a extends obliquely with respect to an adjacent to this so-called intermediate region 7b.
  • the intermediate portion 7b extends in the horizontal direction, ie without any slope.
  • a second guide region 7c adjoins this intermediate region 7b, which in turn has an oblique course relative to the intermediate region 7b.
  • the guided by the cam discs bolt 8 in turn is connected to a drive rod 9 which is connected at its other end to the movable contact 2a of the vacuum switch 3.
  • the drive rod 9 is guided, for example, by means of a bellows 10 in a housing 11 of the vacuum switch 3.
  • a support rod 12 is connected to the bolt 8, which is to prevent movement of the bolt 8 transversely to the adjustment of the movable contact 2a.
  • the support rod 12 is formed correspondingly long, so that the circular arc about the pivot point 19 on which the bolt 8 performs its movement, can be considered approximately as a straight line.
  • FIG. 1 an embodiment with two mutually parallel cam discs 5, 6 is shown, in the context of the invention, a design with only one link plate 5 is possible.
  • FIG. 1 the movable contact 2a is first shown in a position between an open and a closed position; the bolt 8 is in its intermediate position in the intermediate region 7b of the guide gap 7.
  • the drive moves the coupling rod 4 in accordance with FIG. 1 direction indicated by a third arrow 17, whereby the slotted discs 5 and 6 are tilted about the pivot point 16 in a direction indicated by a fourth arrow 18.
  • the guide gap 7 shifts relative to the pin 8 and this moves from the second guide portion 7c back into the intermediate portion 7b, then into the first guide portion 7a and finally into its first position corresponding to a fully open position of the movable contact 2a.
  • This condition is in FIG. 3 shown closer.
  • the described movement of the movable contact 2a is in this case effected by the continuous movement in the direction of the arrow 18 transmitted by the drive unit by means of the coupling rod 4 to the link discs 5 and 6.
  • the stopping of the bolt 8 in its intermediate position is consequently achieved solely by the configuration of the intermediate region 7b of the link disk 5, 6, not by stopping the movement of the link disk 5, 6.
  • the second guide portion 7c of the guide gap 7 is designed slightly flatter than the first guide portion 7a of the guide gap 7. This is achieved when closing the movable contact 2a, that this bounces at not too high speed on the fixed contact 2b and a Rebound of the movable contact 2a is largely suppressed.
  • first and second guide region 7a, 7c and the intermediate region 7b are each shown with a linear or straight course.
  • slightly curved course about the first and second guide area 7a and 7c.
  • the path-time characteristic which the moving contact 2a passes through when opening or closing can, if necessary, be adapted even more precisely to specific specifications.
  • a further deceleration of the movable contact 2a can be achieved shortly before impinging on the stationary contact 2b.
  • FIG. 4 is the in FIG. 1 described adjustment device 1 shown in a three-dimensional view in an exploded view.
  • the the FIG. 1 corresponding components are identified by the same reference numerals.
  • FIG. 4 is clearly the structure with two parallel opposing link plates 5 and 6 can be seen in their similar guide gaps 7 in Figure 4 for clarity, not shown bolt 8 (see. FIG. 1 ) is guided in a sliding manner.
  • FIG. 5 finally shows an alternative embodiment of a link plate.
  • the components corresponding to the previous figures are again identified by the same reference numerals.
  • the main difference to the execution according to FIG. 1 form the link plates 5a and 6a. These have no guide gap, but only a guide profile 20 on their tops. By two webs 21 and 22, this guide profile 20 is laterally limited and the bolt 8 prevented from sliding out of the guide profile 20.
  • a helical spring 23 is arranged below the housing 11 of the vacuum circuit breaker 3, which cooperates with a shoulder 24 on the drive rod 9 so that it has a constant force on the Bolt 8 exerts this presses against the guide profile 20.
  • Analogous to the guide gap 7 see. FIG.
  • the guide profile 20 has a first 20a and a second guide portion 20c and an intermediate portion 20b. These also cause the guidance of the bolt 8 according to a required path-time characteristic between a first (movable contact 2a open) and a second position of the bolt 8 (movable contact 2a closed).

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Push-Button Switches (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Valve Device For Special Equipments (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Escalators And Moving Walkways (AREA)
EP04731301A 2003-06-06 2004-05-06 Verstelleinrichtung zum verstellen eines beweglichen kontaktes einer schalteinrichtung Expired - Lifetime EP1631977B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10326715A DE10326715B3 (de) 2003-06-06 2003-06-06 Verstelleinrichtung zum Verstellen eines beweglichen Kontaktes einer Schalteinrichtung
PCT/DE2004/000996 WO2004109734A1 (de) 2003-06-06 2004-05-06 Verstelleinrichtung zum verstellen eines beweglichen kontaktes einer schalteinrichtung

Publications (2)

Publication Number Publication Date
EP1631977A1 EP1631977A1 (de) 2006-03-08
EP1631977B1 true EP1631977B1 (de) 2008-07-09

Family

ID=33441594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04731301A Expired - Lifetime EP1631977B1 (de) 2003-06-06 2004-05-06 Verstelleinrichtung zum verstellen eines beweglichen kontaktes einer schalteinrichtung

Country Status (6)

Country Link
EP (1) EP1631977B1 (zh)
CN (1) CN100361249C (zh)
AT (1) ATE400884T1 (zh)
DE (2) DE10326715B3 (zh)
HK (1) HK1089553A1 (zh)
WO (1) WO2004109734A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006031220A1 (de) 2006-06-30 2008-01-03 Siemens Ag Getriebeanordnung zum Antrieb eines elektrischen Schaltkontaktes
CN101996789B (zh) 2009-08-28 2013-10-23 西门子公司 弹簧操作装置及其安装方法与开关装置
DE102011078659B3 (de) * 2011-07-05 2012-11-15 Siemens Aktiengesellschaft Antrieb für ein Schaltgerät
KR101563587B1 (ko) * 2011-07-25 2015-10-27 엘에스산전 주식회사 진공 인터럽터의 동력전달 장치
DE102013010496A1 (de) * 2012-10-18 2014-04-24 Abb Technology Ag Hubabhängig schaltendes elektrisches Schaltgerät mit verlängerter Schalthysterese
KR101786519B1 (ko) * 2013-01-08 2017-10-18 엘에스산전 주식회사 가스 절연 차단기
CN106971904B (zh) * 2017-05-15 2019-04-05 上海交通大学 真空断路器合闸传动机构
DE102018214764A1 (de) * 2018-08-30 2020-03-05 Siemens Aktiengesellschaft Antreiben eines elektrischen Schaltkontaktes und eines Meldeschalters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248497A (en) * 1961-10-09 1966-04-26 Jennings Radio Mfg Corp Drive mechanism for vacuum switches
JPS51150076A (en) * 1975-06-18 1976-12-23 Tokyo Shibaura Electric Co Vacuum valve circuit breaker
US4234771A (en) * 1976-12-09 1980-11-18 Tokyo Shibaura Denki Kabushiki Kaisha Vacuum switch
DE4006452A1 (de) * 1990-03-01 1991-09-05 Driescher Eltech Werk Elektrischer schalter
DE4411596C1 (de) * 1994-03-30 1995-06-08 Holec Schaltgeraete Gmbh Antriebseinrichtung für Vakuumleistungsschalter, insbesondere in dreipoliger Ausführung
JPH07320611A (ja) * 1994-05-23 1995-12-08 Hitachi Ltd ガス絶縁開閉装置
DE19603157A1 (de) * 1996-01-19 1997-07-24 Fachhochschule Fuer Technik Un Hochspannungs-Vakuumschalter
DE10104392C2 (de) * 2001-01-19 2003-07-03 Siemens Ag Vakuumschalter sowie System und Verfahren zu seiner Steuerung

Also Published As

Publication number Publication date
ATE400884T1 (de) 2008-07-15
DE10326715B3 (de) 2004-12-16
CN100361249C (zh) 2008-01-09
CN1791955A (zh) 2006-06-21
WO2004109734A1 (de) 2004-12-16
EP1631977A1 (de) 2006-03-08
HK1089553A1 (en) 2006-12-01
DE502004007561D1 (de) 2008-08-21

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