EP3082144A1 - Elektrische schaltvorrichtung mit zweispurigem klemmstück - Google Patents

Elektrische schaltvorrichtung mit zweispurigem klemmstück Download PDF

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Publication number
EP3082144A1
EP3082144A1 EP15290105.4A EP15290105A EP3082144A1 EP 3082144 A1 EP3082144 A1 EP 3082144A1 EP 15290105 A EP15290105 A EP 15290105A EP 3082144 A1 EP3082144 A1 EP 3082144A1
Authority
EP
European Patent Office
Prior art keywords
arm
cam
track
sliding
pivot
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.)
Granted
Application number
EP15290105.4A
Other languages
English (en)
French (fr)
Other versions
EP3082144B1 (de
Inventor
Eric Durhône
Jérémy Garampon
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
Priority to EP15290105.4A priority Critical patent/EP3082144B1/de
Priority to PCT/EP2016/054856 priority patent/WO2016165877A1/fr
Priority to CN201680021843.7A priority patent/CN107533932B/zh
Publication of EP3082144A1 publication Critical patent/EP3082144A1/de
Application granted granted Critical
Publication of EP3082144B1 publication Critical patent/EP3082144B1/de
Priority to HRP20171782TT priority patent/HRP20171782T1/hr
Active 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
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/42—Driving mechanisms
    • 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
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
    • H01H33/74—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber wherein the break is in gas

Definitions

  • the present invention relates to an electric switching device with a dual-track cam according to the preamble of claim 1.
  • circuit-breaker or disconnector installations in particular at high voltage, for example as GIS-type ( g as i nsultated s witchgear) or AIS ( a ir i nsulated s witchgear) metal-wrapped substations, it is intended to be able to connect but above all to disconnect electrical connection elements, such as a dedicated male electrical connector to be inserted into or removed from a female electrical connector.
  • an electrical switching device adapted to connect or disconnect said connectors mechanically.
  • the curvilinear geometry (hook or "L" rounded) of the first track (9) is disposed on a major half of the cam (3) and whose first end (slide position in figure 1 ) is further from the pivot axis (2) than the second end (slide position in figure 3 ).
  • This track geometry makes it possible to accelerate withdrawal of the male connector (6) with respect to the female connector (7) during the intermediate disconnection mode ( figure 2 ). This acceleration makes it possible to reduce the duration of cut or blowing of the arc.
  • FR2817389A which had been filed on 30.11.2000 by a company now affiliated with the present applicant.
  • this publication presents by means of Figures 1 to 6 and their descriptions a switching device similar to Figures 1 to 3 previously described above.
  • the publication includes a figure 7 comprising a similar device, however, having a dual-track cam, both with a curvilinear geometry, instead of a single-track cam with curvilinear geometry.
  • An object of the present invention is to provide an effective electrical switching device allowing a speed of disconnection of the male and female connectors faster, in particular for a high voltage application such as a circuit breaker or disconnector under GIS metal envelope station.
  • a set of subclaims also has advantages of the invention.
  • the said device is further characterized in that the second track (11) comprises a linear track portion having a main axis (12) passing through the pivot point (2) of the cam.
  • the electric switching device with a bi-track cam according to figure 5 is here in closed connection mode analogously to the figure 1 that is, the male electrical connector (6) is inserted into the female electrical connector (7).
  • the second slider (10) is at one end of the second track (11) furthest from the pivot point (2).
  • the first slider (8) is also at one end of the first track (9) furthest from the pivot point (2).
  • the first track has a curved geometric profile (then linear) so that for a range of positions of the first slide on this profile in association with a range of positions of the second slider in the second track, a drive Linear of the second arm undergoes an acceleration which is here a considerable advantage also presented in figure 8 .
  • Figure 6 represents the electrical switching device according to figure 5 , however in intermediate disconnection mode, analogous to the intermediate disconnection mode of the figure 2 .
  • the male connector (6) disengages from the female connector (7) thereby creating an arc contact break that will commonly be blown by a neutral gas supply or SF6 during the subsequent disconnection.
  • the second slider (10) is at another end of the second track (11) closest to the pivot point (2).
  • the first slider (8) then traveled more than 30% on the first track (9) towards the other end of the first track (9) closest to the pivot point (2).
  • the driving force (Fd) parallel to the axis of the male connector (6) is ensured by the withdrawal of the female connector (7) further from the fixed base (1) relative to the figure 5 .
  • the resultant force (Fr) in the main direction - here also advantageously parallel to the axis of the male connector - of the first driving arm (4) on the cam (3) is thus equal to 100% of the force drive (Fd) parallel to the axis of the male connector.
  • the first arm is thus coupled to a mechanism for moving said arm in a linear direction identical to that of the axis of said first arm, free of rotation relative to the support base.
  • the first and second elongate arms form parallel movements along their axes for any position of their respective slider with one of the tracks of the cam. Even if this configuration of "parallel" transmission of effort is optimal because allows a complete transmission of said efforts, a rotation of the first arm can however be tolerated.
  • the first slider (8) slides in the track (9) whose curvilinear geometry hook-shaped or "L" rounded is adapted to minimize frictional forces of the slider with edges of said track.
  • the device according to the invention thus provides that the second track is a linear oblong opening.
  • the first and second tracks describe a form question mark (?) Whose lower point similar to the second track is however oblong. This geometry of the tracks thus makes it possible to provide an acceleration to the first slider (8) in order to more quickly remove the male connector (6) from the input guide of the female connector (7).
  • an inlet guide in the form of a nozzle (7 ') driven by the first arm (4) and the cam in the disconnection mode allows the male connector (6) of the female connector to be slidably withdrawn in the said nozzle ( 7), said nozzle (7 ') being movable relative to the support base (1).
  • Figure 7 represents the electrical switching device according to figure 5 or 6 , however in the final disconnect mode, analogous to the final disconnect mode of the figure 3 .
  • the male connector (6) is thus completely disengaged from the female connector (7).
  • the second slider (10) is again at the initial end of the second track (11) furthest from the pivot point (2).
  • the first slide (8) then traveled the entire first track (9) towards the other end of the first track (9) closest to the pivot point (2).
  • Figure 8 shows an example of a displacement speed diagram of the first and second arms of said device, to illustrate the advantageous effect of acceleration described above.
  • the curves represented are a value (%) of displacement (Di) as a function of a time unit (Tu) between 0 and 1.
  • a first curve (DS) thus indicates the constant speed of withdrawal of the first arm (4) ( when removing the input guide 7).
  • a second curve (SC) indicates the driving speed of the male connector (6) for a device according to one of the Figures 1 to 3 (or 4): we can see that in the time interval [0,2; 0.7], said withdrawal speed of the second arm or of the male connector (6) is equal (and opposite) to that of the withdrawal of the first arm (4).
  • a third curve (DC) indicates the driving speed of the male connector (6) for a device according to one of the Figures 5 to 7 it can be seen that in the interval (HS) of time [0.31; 0.46], said withdrawal speed of the second arm or the male connector (6) is increased (and opposite) to that (SC) of the withdrawal of the first arm (4), there is indeed an acceleration of a factor of 1.5 over this interval (HS) at high speed, which illustrates the effect desired by the device according to the invention, in order to make the disconnection faster and thus arc cutting more effective.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Transmission Devices (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP15290105.4A 2015-04-15 2015-04-15 Elektrische schaltvorrichtung mit zweispurigem klemmstück Active EP3082144B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15290105.4A EP3082144B1 (de) 2015-04-15 2015-04-15 Elektrische schaltvorrichtung mit zweispurigem klemmstück
PCT/EP2016/054856 WO2016165877A1 (fr) 2015-04-15 2016-03-08 Dispositif de commutation électrique à came bi-piste
CN201680021843.7A CN107533932B (zh) 2015-04-15 2016-03-08 具有双轨凸轮的电气开关装置
HRP20171782TT HRP20171782T1 (hr) 2015-04-15 2017-11-16 Električna sklopka s dvotračnim priteznim uređajem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15290105.4A EP3082144B1 (de) 2015-04-15 2015-04-15 Elektrische schaltvorrichtung mit zweispurigem klemmstück

Publications (2)

Publication Number Publication Date
EP3082144A1 true EP3082144A1 (de) 2016-10-19
EP3082144B1 EP3082144B1 (de) 2017-10-18

Family

ID=52997996

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15290105.4A Active EP3082144B1 (de) 2015-04-15 2015-04-15 Elektrische schaltvorrichtung mit zweispurigem klemmstück

Country Status (4)

Country Link
EP (1) EP3082144B1 (de)
CN (1) CN107533932B (de)
HR (1) HRP20171782T1 (de)
WO (1) WO2016165877A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2817389A1 (fr) 2000-11-30 2002-05-31 Schneider Electric High Voltag Appareillage de coupure electrique haute tension a double mouvement
DE29724842U1 (de) * 1996-05-24 2004-09-30 Siemens Ag Hochspannungs-Leistungsschalter mit zwei antreibbaren Schaltkontaktstücken
JP2004281175A (ja) * 2003-03-14 2004-10-07 Tm T & D Kk ガス遮断器
US20110147179A1 (en) * 2009-12-18 2011-06-23 Achim Stelter Electrical circuit breaker and switch position indicator thereto
DE102011078483A1 (de) * 2011-06-30 2013-01-03 Siemens Aktiengesellschaft Elektrisches Schaltgerät
WO2015029516A1 (ja) * 2013-08-29 2015-03-05 株式会社日立製作所 ガス遮断器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2651924Y (zh) * 2003-09-29 2004-10-27 深圳市光辉电器实业有限公司 真空负荷开关
CN200947393Y (zh) * 2006-08-18 2007-09-12 宁波奇乐电器实业总公司 自动转换开关电器
CN202018932U (zh) * 2011-04-28 2011-10-26 上海市电力公司 一种双断点式万能断路器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29724842U1 (de) * 1996-05-24 2004-09-30 Siemens Ag Hochspannungs-Leistungsschalter mit zwei antreibbaren Schaltkontaktstücken
FR2817389A1 (fr) 2000-11-30 2002-05-31 Schneider Electric High Voltag Appareillage de coupure electrique haute tension a double mouvement
JP2004281175A (ja) * 2003-03-14 2004-10-07 Tm T & D Kk ガス遮断器
US20110147179A1 (en) * 2009-12-18 2011-06-23 Achim Stelter Electrical circuit breaker and switch position indicator thereto
DE102011078483A1 (de) * 2011-06-30 2013-01-03 Siemens Aktiengesellschaft Elektrisches Schaltgerät
WO2015029516A1 (ja) * 2013-08-29 2015-03-05 株式会社日立製作所 ガス遮断器

Also Published As

Publication number Publication date
CN107533932A (zh) 2018-01-02
HRP20171782T1 (hr) 2017-12-29
WO2016165877A1 (fr) 2016-10-20
CN107533932B (zh) 2019-03-26
EP3082144B1 (de) 2017-10-18

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