EP0058585A1 - Antriebsmechanismus für elektrische Schaltgeräte mit drei getrennten Stellungen - Google Patents

Antriebsmechanismus für elektrische Schaltgeräte mit drei getrennten Stellungen Download PDF

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Publication number
EP0058585A1
EP0058585A1 EP82400131A EP82400131A EP0058585A1 EP 0058585 A1 EP0058585 A1 EP 0058585A1 EP 82400131 A EP82400131 A EP 82400131A EP 82400131 A EP82400131 A EP 82400131A EP 0058585 A1 EP0058585 A1 EP 0058585A1
Authority
EP
European Patent Office
Prior art keywords
crank
cam
locking
spring
operating mechanism
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
EP82400131A
Other languages
English (en)
French (fr)
Other versions
EP0058585B1 (de
Inventor
Jean-Yves Ferton
Robert Micoud
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
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 Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of EP0058585A1 publication Critical patent/EP0058585A1/de
Application granted granted Critical
Publication of EP0058585B1 publication Critical patent/EP0058585B1/de
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H3/3047—Power arrangements internal to the switch for operating the driving mechanism using spring motor adapted for operation of a three-position switch, e.g. on-off-earth

Definitions

  • a tumbler type toggle device requires a large angular travel of the control crank between the closed F and open 0 positions.
  • the actuating spring is compressed halfway in the vicinity of the dead center of the toggle joint, and is partially relaxed in positions F and 0. It can be seen that it is difficult to carry out an additional stroke with the same knee lever. beyond position 0 to earth position T.
  • an additional grounding control independent of the main toggle joint is generally used and it is therefore essential to pre see interlocks between the two, which complicates the realization of the mechanism.
  • the object of the invention is to remedy these shortcomings 7- nients and to provide a simple and reliable operating mechanism comprising a toggle capable of actuating the apparatus between the three positions F, 0 and T.
  • the mechanism is characterized by the fact that it further comprises a control member capable of being either in a rest position when the transmission element is moved by the toggle device between positions F and 0, or in an active earthing position, said member cooperating with the toggle joint and with a first blocking means pour.former in the rest position a fulcrum fixed to the actuating spring and ensuring the locking of the blocking means during the abutment of the transmission element in position 0 from position F, the passage of the control member from the rest position to the active position causing the unlocking of the locking means and a modification of the point d 'support and line of action of the spring biased in compression to drive the unlocked transmission element from the intermediate position 0 to the earthing position T.
  • a control member capable of being either in a rest position when the transmission element is moved by the toggle device between positions F and 0, or in an active earthing position, said member cooperating with the toggle joint and with a first blocking means pour.former in the rest position a fulcrum fixed to the actuating spring and ensuring the
  • control member comprises a grounding crank provided with an axis slidably mounted in a slide of the lever of the toggle joint to constitute said spring fulcrum whose line d action is confused with the longitudinal direction of the lever.
  • a connecting rod is arranged between the earthing crank and the first means of blocking the transmission element to immobilize the crank and said means blocking respectively in rest and locking positions when the transmission member alternately moves between positions F and 0 and for successively transmitting unlocking and locking orders to said first locking means when the crank passes from the position of rest in the active position and vice versa, allowing the drive of the transmission member respectively from position 0 to the earthed position T, then in the opposite direction from position T to position 0.
  • a lock ensures the locking of the cam in the closed position F when the pivot axis of the toggle joint abuts the bottom of the lumen after passing the axis alignment dead center, the position of the axis then being stable for maintaining maximum compression of the spring.
  • the mechanism is then in the closed - armed position.
  • a trigger device for example a trigger firing pin of a circuit breaker combined fuse r switching device cooperates with the latch to cause release of the cam which is pivoted to the open position under the spring detent action.
  • FIG. 1 is shown schematically an operating mechanism 10 associated by a drive lever 12 of insulating material to the movable assembly of an electrical switchgear 14, in particular a switch or a multipole circuit breaker incorporated in an electrical cell with medium voltage.
  • the apparatus 14 is inserted between the busbar 16 and the connection cables 18 of the cell, each pole comprising a movable contact 20 capable of occupying three distinct stable positions during the movement stroke of the operating mechanism 10; namely a first position F for service and closing of the contacts, a second intermediate position 0 for opening or isolation, and a third position T for earthing in which the cable 18 of the corresponding phase is electrically connected by the movable contact to a pad 22 at the earth potential.
  • the movable contact 20, in permanent electrical connection with the cable 18, is formed by an arm animated by a pivoting movement, but it is understood that the movable contact of each pole could be constituted by a sliding pin mounted in alternating translation between the extreme positions F and T.
  • the operating mechanism 10 is of the tumbler type with sudden passing of neutral point by means of a toggle joint associated with a single actuating spring 24 making it possible to obtain rapid movement of the crew mobile of the apparatus 14 endowed with a breaking power during the stroke FO intervening clockwise from the closing position F towards the opening position 0, and with a closing power during the strokes 0 F (direction counterclockwise from position 0 to position F) and 0 T (clockwise from position 0 to position T).
  • the kinematic chain of the operating mechanism 10 (fig. 2 to 4) of a switch is housed between two metal plates 26, 28 and comprises a control cam 30 integral with the drive lever 12 insulating the mobile equipment.
  • the cam 30 is mounted idly on a transverse axis 32 carried by the plates 26, 28 parallel and is provided with a curvilinear light 34 in the form of a crescent centered on the control axis 32.
  • the toggle joint is formed by an operating crank 35 secured to the axis 32 and comprising at its opposite end a pivot axis 36 articulated on a lever 38 supporting the actuating spring 24.
  • the latter takes support on a fixed shoulder 40 of the lever 38 and on a variable point of application formed by an axis 42 of a bent crank 44 for grounding control.
  • the axis 42 is capable of moving in a slide 46 or slide formed by an oblong hole in the lever 38 and extending along the line of action of the spring 24.
  • the earthing crank 44 is rotatably mounted on a pivot 48 and remains stationary during the travel of the moving assembly between the closed F and open 0 positions.
  • a transmission or connection rod 50 is mechanically connected by one of its ends to a crank pin 52 of the earthing crank 44 and by its end opposite to a crank pin 54 of a first crank 56 for locking the cam 30 in open position 0.
  • the pivot axis 36 of the toggle moves in the slot 34 to compress the spring 24 between the positions F and 0.
  • the switch is opened after engagement of an operating lever (not shown) on the control shaft 32 followed by rotation of the crank 35 anticlockwise indicated by arrow 0 (fig. 2).
  • the cam 30 remains stationary and keeps the moving part of the switch in the closed position until the angular travel of the pivot axis 36 in the curved opening 34 is caught.
  • the actuating spring 24 is compressed as much as possible by sliding the slide 46 of the lever 38 on the axis 42.
  • FIG. 3 represents the mechanism 10 in position 0 of opening of the switch.
  • the locking crank 66 is kept apart from the stop 72 against the force of the spring 70 by the reaction of the sector 84 circu area of the cam 30 on the cleat 74.
  • the bearing face 63 of the cam 30 abuts the roller 62 of the locking lever 60 in the locked position.
  • the spring 24 is still slightly compressed to ensure the stable maintenance of the cam 30 in the position 0, without however transmitting a shock to the locking lever 60 at the end of the opening stroke.
  • the switch is closed from the previous position 0 after engagement of the operating lever on the axis 32, followed by rotation of the crank 35 clockwise indicated by the arrow F (fig. 3 ).
  • the spring 24 is recompressed at the neutral point passage of the toggle joint when the pivot axis 36 arrives in the vicinity of the bottom 80 of the light 34.
  • the driving of the cam 30 by the axis 36 then causes an abrupt closure of the 'switch under the action of the spring relaxation 24.
  • the mechanism 10 then returns to the position shown in Figure 2. During the alternating angular travel between positions 0 and F the cranks 44, '56 and the transmission rod 50 stay still.
  • a grounding of the cables 18 of the cell by the coming into abutment of the movable contacts 20 with the pads 22 of the corresponding poles is carried out from the open position 0 (fig. 3) by the rotation in clockwise (see arrow T) of the earthing crank 44 manually controlled by the operating lever (not shown) engaged on the pivot 48.
  • the axis 42 rotates by quarter turn clockwise around the pivot 48 resulting in a modification of the fulcrum of the spring 24 in the slide 46 of the lever 38.
  • FIG. 5 represents a variant of the mechanism 10 allowing the closing of the apparatus followed by an operation of accumulation of the energy of the actuating spring 24 and attachment of the control in a closed-armed position ready to open .
  • the lock 90 comprises a hooking lever 92 pivotally mounted on an axis 94 and cooperating at its free end 96 with a retaining spout 98 for holding the second crank 66 in abutment against the stop 7_2.
  • the spring 24 In the closed-armed position, the spring 24 is compressed to the maximum and the pivot axis 36 of the toggle joint abuts the bottom 82 of the lumen 34 after passing the neutral point of alignment of the axes of the toggle joint.
  • the position of the pin 36 is stable thanks to the locking of the crank 66 by the bolt 90.
  • the cam 30 is biased by spring 24 in rotation towards position 0, but this rotation is prevented by locking the crank 66, the cleat 74 of which rests with the ramp 76 of the cam 30.
  • a tripping device (not shown), formed for example by a trigger, with striker sensitive to the melting of a fuse associated with each pole of the switch, cooperates with the lever 92 of the latch 90 by rotating the axis 94 clockwise indicated by arrow D.
  • This tripping order unlocks the crank 66 which moves away from the stop 72 by turning around the axis 68 under the effect of the reaction due to the slope of the ramp 76 on the cleat 74. This results in the release of the cam 30 which pivots towards the intermediate position 0 (fig.3) ensuring the abrupt opening of the switch.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Lock And Its Accessories (AREA)
  • Mechanisms For Operating Contacts (AREA)
EP19820400131 1981-02-13 1982-01-25 Antriebsmechanismus für elektrische Schaltgeräte mit drei getrennten Stellungen Expired EP0058585B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8103041 1981-02-13
FR8103041A FR2500222A1 (fr) 1981-02-13 1981-02-13 Mecanisme de manoeuvre pour appareillage de commutation electrique a trois positions distinctes

Publications (2)

Publication Number Publication Date
EP0058585A1 true EP0058585A1 (de) 1982-08-25
EP0058585B1 EP0058585B1 (de) 1984-09-19

Family

ID=9255269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820400131 Expired EP0058585B1 (de) 1981-02-13 1982-01-25 Antriebsmechanismus für elektrische Schaltgeräte mit drei getrennten Stellungen

Country Status (6)

Country Link
EP (1) EP0058585B1 (de)
JP (1) JPS57151120A (de)
AU (1) AU560470B2 (de)
DE (1) DE3260746D1 (de)
FR (1) FR2500222A1 (de)
YU (1) YU43786B (de)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110082A2 (de) * 1982-10-27 1984-06-13 Siemens Aktiengesellschaft Antrieb für einen elektrischen Dreistellungsschalter
FR2609839A1 (fr) * 1987-01-21 1988-07-22 Merlin Gerin Mecanisme a accrochage de commande d'un disjoncteur a trois positions
FR2613123A1 (fr) * 1987-03-27 1988-09-30 Merlin Gerin Mecanisme de commande d'un interrupteur a trois positions
FR2651603A1 (fr) * 1989-09-07 1991-03-08 Merlin Gerin Mecanisme de commande d'un interrupteur multipolaire a haute tension.
EP0448481A1 (de) * 1990-03-22 1991-09-25 Schneider Electric Sa Antrieb für einen Dreistellungsschalter
FR2706674A1 (fr) * 1993-06-17 1994-12-23 Soule Sa Dispositif de coupure de ligne électrique à moyens de commande perfectionnés.
EP1026711A2 (de) * 1999-02-06 2000-08-09 Felten & Guilleaume AG Schaltantrieb für einen Leistungstrennschalter
EP1402549A1 (de) * 2001-07-05 2004-03-31 Schneider Electric Industries SAS Elektrisches schalt- und trenngerät mit vakuumröhre
EP1670009A2 (de) * 2004-12-13 2006-06-14 Pommier Betätigunsmechanismus eines mehrpoligen elektrischen Schalters
EP1993115A1 (de) * 2007-05-15 2008-11-19 Schneider Electric Industries SAS Steuervorrichtung zur Kontaktherstellung oder -unterbrechung zwischen zwei Teilen und mit dieser Vorrichtung ausgestattetes elektrisches Gerät
DE102014203902A1 (de) * 2014-03-04 2015-09-10 Siemens Aktiengesellschaft Sprungantrieb für eine Schaltvorrichtung
CN106997825A (zh) * 2016-01-22 2017-08-01 沈阳昊诚电气有限公司 环保气体开关柜用一体式弹簧操作机构
EP3282464A1 (de) * 2016-08-09 2018-02-14 Siemens Aktiengesellschaft Sprungantrieb sowie schalteinrichtung mit sprungantrieb
CN108565152A (zh) * 2018-06-21 2018-09-21 苏州达博思智能电网装备制造有限公司 一种配置于断路器弹簧操动机构的专用五防连锁
CN109273313A (zh) * 2018-10-23 2019-01-25 深圳市英豪电力科技有限公司 一种三工位开关的弹簧操作机构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106449302B (zh) * 2015-08-04 2019-07-12 浙江正泰电器股份有限公司 断路器联锁组件
CN106449304B (zh) * 2015-08-04 2019-04-05 浙江正泰电器股份有限公司 断路器联锁装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1072112A (en) * 1963-01-03 1967-06-14 Ass Elect Ind Improved electric switch
FR2181436A1 (de) * 1972-04-24 1973-12-07 Alsthom Cgee

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1072112A (en) * 1963-01-03 1967-06-14 Ass Elect Ind Improved electric switch
FR2181436A1 (de) * 1972-04-24 1973-12-07 Alsthom Cgee

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110082A2 (de) * 1982-10-27 1984-06-13 Siemens Aktiengesellschaft Antrieb für einen elektrischen Dreistellungsschalter
EP0110082A3 (en) * 1982-10-27 1986-04-23 Siemens Aktiengesellschaft Driving device for a three-position electrical switch
US4821008A (en) * 1987-01-21 1989-04-11 Robert Micoud Latching operating mechanism of a three-position circuit breaker
EP0277851A1 (de) * 1987-01-21 1988-08-10 Merlin Gerin Antrieb mit Verriegelung für einen Dreistellungsschalter
FR2609839A1 (fr) * 1987-01-21 1988-07-22 Merlin Gerin Mecanisme a accrochage de commande d'un disjoncteur a trois positions
FR2613123A1 (fr) * 1987-03-27 1988-09-30 Merlin Gerin Mecanisme de commande d'un interrupteur a trois positions
EP0286474A1 (de) * 1987-03-27 1988-10-12 Merlin Gerin Antrieb für einen Dreistellungsschalter
US4916268A (en) * 1987-03-27 1990-04-10 Merlin Gerin Operating mechanism of a three-position switch
FR2651603A1 (fr) * 1989-09-07 1991-03-08 Merlin Gerin Mecanisme de commande d'un interrupteur multipolaire a haute tension.
EP0417015A1 (de) * 1989-09-07 1991-03-13 Schneider Electric Sa Steuermechanismus für einen multipolaren Hochspannungsschalter
EP0448481A1 (de) * 1990-03-22 1991-09-25 Schneider Electric Sa Antrieb für einen Dreistellungsschalter
FR2660109A1 (fr) * 1990-03-23 1991-09-27 Merlin Gerin Mecanisme de commande d'un interrupteur a trois positions.
FR2706674A1 (fr) * 1993-06-17 1994-12-23 Soule Sa Dispositif de coupure de ligne électrique à moyens de commande perfectionnés.
EP1026711A3 (de) * 1999-02-06 2002-11-13 Felten & Guilleaume AG Schaltantrieb für einen Leistungstrennschalter
EP1026711A2 (de) * 1999-02-06 2000-08-09 Felten & Guilleaume AG Schaltantrieb für einen Leistungstrennschalter
EP1402549A1 (de) * 2001-07-05 2004-03-31 Schneider Electric Industries SAS Elektrisches schalt- und trenngerät mit vakuumröhre
EP1670009A2 (de) * 2004-12-13 2006-06-14 Pommier Betätigunsmechanismus eines mehrpoligen elektrischen Schalters
FR2879340A1 (fr) * 2004-12-13 2006-06-16 Pommier Sa Mecanisme de commande d'un interrupteur electrique multipolaire
EP1670009A3 (de) * 2004-12-13 2007-08-29 Pommier Betätigunsmechanismus eines mehrpoligen elektrischen Schalters
EP1993115A1 (de) * 2007-05-15 2008-11-19 Schneider Electric Industries SAS Steuervorrichtung zur Kontaktherstellung oder -unterbrechung zwischen zwei Teilen und mit dieser Vorrichtung ausgestattetes elektrisches Gerät
FR2916300A1 (fr) * 2007-05-15 2008-11-21 Schneider Electric Ind Sas Dispositif de commande de la mise en contact ou hors contact de deux pieces et appareil electrique comportant un tel dispositif
AU2008202132B2 (en) * 2007-05-15 2011-06-09 Schneider Electric Industries Sas Operating device for moving two parts into contact or out of contact and electrical apparatus comprising one such device
DE102014203902A1 (de) * 2014-03-04 2015-09-10 Siemens Aktiengesellschaft Sprungantrieb für eine Schaltvorrichtung
CN106997825A (zh) * 2016-01-22 2017-08-01 沈阳昊诚电气有限公司 环保气体开关柜用一体式弹簧操作机构
CN106997825B (zh) * 2016-01-22 2019-11-19 沈阳昊诚电气有限公司 环保气体开关柜用一体式弹簧操作机构
EP3282464A1 (de) * 2016-08-09 2018-02-14 Siemens Aktiengesellschaft Sprungantrieb sowie schalteinrichtung mit sprungantrieb
DE102016214783A1 (de) * 2016-08-09 2018-02-15 Siemens Aktiengesellschaft Sprungantrieb sowie Schalteinrichtung mit Sprungantrieb
US10276317B2 (en) 2016-08-09 2019-04-30 Siemens Aktiengesellschaft Snap-action drive and switching device having a snap-action drive
CN108565152A (zh) * 2018-06-21 2018-09-21 苏州达博思智能电网装备制造有限公司 一种配置于断路器弹簧操动机构的专用五防连锁
CN109273313A (zh) * 2018-10-23 2019-01-25 深圳市英豪电力科技有限公司 一种三工位开关的弹簧操作机构

Also Published As

Publication number Publication date
YU28082A (en) 1986-02-28
YU43786B (en) 1989-12-31
AU560470B2 (en) 1987-04-09
FR2500222B1 (de) 1983-03-18
JPS57151120A (en) 1982-09-18
FR2500222A1 (fr) 1982-08-20
AU8043682A (en) 1982-08-19
EP0058585B1 (de) 1984-09-19
DE3260746D1 (en) 1984-10-25

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