EP2605256B1 - Vorrichtung zur Steuerung der Resetvorrichtungs-Motorisierung der Kontaktschließvorrichtung in einem elektrischen Schutzgerät, und eine solche Vorrichtung enthaltendes Gerät - Google Patents

Vorrichtung zur Steuerung der Resetvorrichtungs-Motorisierung der Kontaktschließvorrichtung in einem elektrischen Schutzgerät, und eine solche Vorrichtung enthaltendes Gerät Download PDF

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Publication number
EP2605256B1
EP2605256B1 EP12306504.7A EP12306504A EP2605256B1 EP 2605256 B1 EP2605256 B1 EP 2605256B1 EP 12306504 A EP12306504 A EP 12306504A EP 2605256 B1 EP2605256 B1 EP 2605256B1
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EP
European Patent Office
Prior art keywords
called
wheel
operating device
pinion
aforesaid
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EP12306504.7A
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English (en)
French (fr)
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EP2605256A1 (de
Inventor
Didier Tamisier
Jean-Pierre Kersusan
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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    • 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
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • 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
    • H01H3/3005—Charging means

Definitions

  • the present invention relates to a device for controlling the device for activating the device for resetting the device for closing contacts in an electrical protection device, said apparatus comprising at least one fixed contact and at least one movable contact carried by a control shaft of poles, said shaft being able to assume a first position in which the contacts are closed and a second position in which the contacts are open, and a resetting device comprising an energy storage device for participating in closing the contacts, said device control device comprising disengaging means able to disengage the motorization device and the reset device at the end of the arming maneuver,
  • EP 2 575 150 A1 describes a control device according to the preamble of claim 1.
  • the present invention aims to further protect the gear train of the drive system, as well as other mechanical parts so as to increase the life of the device.
  • the present invention relates to a control device of the kind mentioned above, this device being characterized in that it comprises means said first able to impose the engaged position to the drive device at the end of the maneuver of closure of the contacts in order to reset the closing device, and said second disengaging means comprising biasing means adapted to return the motorization device M in the disengaged position when the said first means are deactivated, said means said first acting to against the aforementioned means of recall.
  • this device comprises means for maintaining the aforementioned disengagement during substantially the entire closing operation of the control shaft.
  • the aforementioned control shaft is secured to a so-called first gear, said wheel being driven, by means of an intermediate device, by a pinion said first belonging to the drive device in the clutch position of the device control and no longer mechanically connected to this pinion in the disengaged position of said device.
  • the so-called first gear and the so-called first gear are mounted in rotation about two parallel axes with respect to each other.
  • this intermediate device comprises a so-called second gear connected in rotation with a pinion said second, the so-called second gear being able to cooperate with the so-called first pinion of the drive device, while the pinion said second is in engagement with said first gear wheel secured to the control shaft.
  • said means said first comprises means for axially moving said second wheel between a first position in which said drive device is uncoupled from the reset device and a second position in which these two devices are coupled, the displacement of a position to the other of the wheel being effected against the abovementioned return means.
  • said second means comprise means for axially moving the so-called second wheel between a so-called second position in which the drive device is coupled to the reset device and a so-called first position in which these two devices are uncoupled, so-called first means being deactivated.
  • the abovementioned return means of the aforementioned first means comprise at least one compression spring mounted around the axis of the second wheel, and when they are activated to impose the engaged position on the motorization device, said means first compress the spring (s).
  • the so-called second wheel and its associated second pinion gear form only one and the same piece, this assembly sliding axially between the two aforementioned positions.
  • the so-called second wheel is mechanically connected to its associated said second pinion by means of a clutch device allowing said wheel to be displaced with respect to its associated pinion, which in moving, disengages itself from that and thus interrupting the mechanical connection between the so-called first wheel and the so-called first gear of the motorization device.
  • the so-called first aforesaid means comprise a perforated disc integral with said first wheel, said disc cooperating with a protuberance provided on said second wheel to drive the wheel towards one or the other position.
  • the aforementioned clutch holding means during closure of the contacts consist mainly in that the shape and dimensions of the disk and the protrusion are chosen in such a way that the cooperation of these two parts drives the so-called second wheel. in the disengaged position for the duration of the closing of the device.
  • the protuberance comprises a disengaging cone while the open sector disk has an annular sector whose length of the opening substantially corresponds to the closing stroke of the control shaft.
  • the or each aforementioned spring is interposed between a fixed support of the device and the pinion associated with said second wheel.
  • this spring is mounted in a recess of said pinion.
  • the aforesaid disc is secured to a shaft integral in rotation with the control shaft, said disc cooperating with the aforementioned protuberance of the so-called second wheel, which is fixed on the so-called second face of the aforementioned secondary wheel opposed to that located opposite the so-called first wheel.
  • the present invention further relates to an electrical protection apparatus having the aforementioned features taken alone or in combination.
  • this device is a switch or a medium voltage electrical circuit breaker.
  • This resetting device comprises an energy storage device comprising a closing spring 1.
  • This switching device comprises a drive mechanism which can be of any known type having a pole shaft. It may be for example a mechanism of the type described in the document EP-A-0 222 645 , provided with an arming and closure subassembly comprising a closing spring, and an opening subassembly comprising an opening spring.
  • the pole shaft 2 for driving the contacts to the open or closed position is also used to reset the closing spring 1 of the contacts at the end of the closing operation of the contacts.
  • the end of the closing operation of the contacts causes the resetting of an energy storage device, intended to allow maneuvers rapid opening-closing cycles specific to medium voltage protection circuit breakers.
  • This pole shaft 2 at one of its ends, is intended to be driven by the control device of the device, while its opposite end comprises a so-called first wheel 3 intended to cooperate with the motorization device M, this shaft being further mechanically connected between these two ends, to the aforementioned closing spring 1.
  • This so-called first wheel 3, is intended to be rotated by a pinion said first 4 belonging to the motorization device M by means of a device intermediate 5.
  • This intermediate device 5 comprises a so-called secondary wheel 6 and a so-called secondary gear 7, this secondary wheel 6 being intended to be driven by the pinion 4 of the motorization device M, while the so-called secondary pinion 7 integral in rotation with the so-called second wheel 6 cooperates with the so-called first wheel 3, so that in the engaged position, the motorization device M rotates the so-called first wheel 3 and thus the control shaft 2 by means of the wheel said second 6 and said second pinion 7.
  • the so-called first wheel 3 comprises, at the end of a shaft portion 12 integral with the wheel and coaxial with said wheel, an annular sector disk 8 having an opening 8a intended to cooperate with a clutch cone 9
  • This clutch cone is located on the face of the wheel 6 opposite to that facing the so-called first wheel 3, as this is more visible on the wheel.
  • a compression spring 11 is supported by one of its ends, on one side of a fixed support of the apparatus, and by an opposite end on one side of the pinion 7 associated with the secondary wheel 6, said spring being mounted inside said pinion, as this is more visible on the figure 8 .
  • the so-called second wheel 6 and the second said pinion 7 form a one-piece assembly capable of sliding axially between a first position in which the so-called second wheel 6 of the intermediate device 5 is engaged with the pinion said first 4 of the motorization device M and a second position in which these two elements are disengaged relative to each other.
  • the length of the empty portion 8a of the perforated disk 8 corresponds to the closing stroke of the control device.
  • the device is at the end of arming the closing spring.
  • the disc-sector 8 of the wheel 3 cooperates with the protuberance 9 to return the secondary wheel 6 and its associated pinion 7 to the disengaging spring (that is to say towards the top of the figure), position in which the secondary wheel 6 is driven by the pinion 4 of the motorization device.
  • This displacement of the secondary wheel is carried out against the compression spring 11 whose function is to return the secondary wheel 6 to the opposite side to the so-called first wheel 3 (that is to say towards the bottom of the figure 5 ).
  • This position is also illustrated on the figure 11 .
  • the disengaged position is maintained during the entire duration of the closure in that the annular sector 8 of the first wheel 3 no longer cooperates with the clutch cone 9 during all this duration, thus not imposing a clutch, the length of the empty portion 8a of the perforated disk 8 substantially corresponding to the length of the closing stroke.
  • said second wheel may be mechanically connected to its associated pinion by means of a clutch device allowing said wheel to be moved relative to its associated pinion, which in moving, separates from the latter, thus interrupting the mechanical connection between the so-called first wheel and the so-called first gear.
  • This dog device comprises, in a manner known per se, a driving tooth in a claw clutch sleeve.
  • the return spring will act directly on the wheel 6 said second, passing through the pinion 7. It will always be guided by the recess of the pinion 7 which will remain in the geared position on the wheel 3 said first. It suffices to provide on this pinion 7 a shoulder which holds it against the wheel 3.
  • a device for maintaining the clutch during the closing of the device has been made to eliminate the shocks collected by the clutch release gears during the closure of the device, for example slamming, shock loading. tenons, inertia, etc ... as this was the case for an engine with a gear train still engaged with the main shaft of the control device.
  • the present invention therefore makes it possible to improve the mechanical endurance resistance of the parts of the disengagement device of the engine.
  • This device makes it possible to disengage the motorization at the end of arming of the control so as not to damage it prematurely and also to disengage the motorization during the closure of the circuit breaker, so as not to drive the gear train of the engine and damage it and not to disturb the closing of the order.
  • This device uses the property that the gears with a profile of right teeth in involute circles do not transmit axial force. This device does not use the inertia and kinetic energy of the gears of the motorization produced by the speed of rotation of the shaft and the reduction ratio.
  • the spring is slightly compressed in the disengaged position, when the device is in the closed position, the control device being in the armed position, which corresponds to the normal position for a control device on the network, which results in less risk of wear of the spring.
  • the device would remain engaged after a clutch, and it will be noted that it is easier to pass under the effect of the spring from the engaged position to the disengaged position than the opposite. Note finally that the guide of the return spring is better achieved since the latter is naturally guided in the pinion 7.

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  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Claims (19)

  1. Vorrichtung zur Steuerung der Motorisierung (M) der Resetvorrichtung (R) der Kontaktschließvorrichtung in einem elektrischen Schutzgerät, wobei das Gerät mindestens einen festen Kontakt und mindestens einen beweglichen Kontakt, der von einer Steuerwelle (2) der Pole getragen wird, wobei die Welle (2) eine erste Position, in der die Kontakte geschlossen sind, und eine zweite Position, in der die Kontakte offen sind, einnehmen kann, und eine Resetvorrichtung (R) umfasst, die eine Energiespeichervorrichtung (1) umfasst, die dazu bestimmt ist, am Schließen der Kontakte beteiligt zu sein, wobei die Steuervorrichtung Ausrückmittel umfasst, die geeignet sind, die Motorisierung (M) und die Resetvorrichtung (R) nach dem Resetvorgang zu entkoppeln,
    dadurch gekennzeichnet, dass sie so genannte erste Mittel (3, 6, 8, 9), die geeignet sind, die eingerückte Position der Motorisierung nach dem Verschlussvorgang der Kontakte vorzugeben, um das Reset der Schließvorrichtung durchzuführen, und so genannte zweite Ausrückmittel (11) umfasst, die Rückstellmittel umfassen, die geeignet sind, die Motorisierung (M) in die ausgerückte Position zurückzuführen, wenn die so genannten ersten Mittel deaktiviert sind, wobei die so genannten ersten Mittel gegen die vorgenannten Rückstellmittel wirken, und dass die ersten (3, 6, 8, 9) und zweiten (11) Mittel axiale Kräfte auf ein Zahnrad (6) ausüben, das drehfest mit der Steuerwelle (2) verbunden ist, um dieses axial zwischen einer ersten Position, in der das Zahnrad (6) von der Motorisierung (M) angetrieben wird, und einer zweiten Position, in der dieses Rad (6) nicht mehr von der Motorisierung (M) angetrieben wird, zu verschieben.
  2. Steuervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie Mittel (8, 9) umfasst, um die vorgenannte ausgerückte Position im Wesentlichen während des gesamten Verschlussvorgangs der Steuerwelle (2) aufrecht zu erhalten.
  3. Steuervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die vorgenannte Steuerwelle (2) die vorgenannte Resetvorrichtung steuert.
  4. Steuervorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die vorgenannte Steuerwelle (2) mit einem so genannten ersten Zahnrad (3) verbunden ist, wobei das Rad mit Hilfe einer Zwischenvorrichtung (5) von einem so gennannten ersten Ritzel (4), das der Motorisierung (M) angehört, in der eingerückten Position der Steuervorrichtung angetrieben wird und in der ausgerückten Position der Vorrichtung mechanisch nicht mehr mit diesem Ritzel (4) verbunden ist.
  5. Steuervorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass das so genannte erste Zahnrad (3) sowie das so genannte erste Ritzel (4) in Drehung um zwei zueinander parallele Achsen montiert sind.
  6. Steuervorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass diese Zwischenvorrichtung (5) ein so genanntes zweites Zahnrad (6) umfasst, das mit einem so genannten zweiten Ritzel (7) in Drehung verbunden ist, wobei das so genannte zweite Zahnrad (6) geeignet ist, mit dem so genannten ersten Ritzel (4) der Motorisierung (M) zusammenzuwirken, während das so genannte zweite Ritzel (7) mit dem so genannten ersten Zahnrad (3), das mit der Steuerwelle (2) verbunden ist, in Eingriff ist.
  7. Steuervorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die so genannten ersten Mittel (3, 6, 8, 9) Mittel umfassen, um das so genannte zweite Rad (6) axial zwischen einer ersten Position, in der diese Motorisierung (M) von der Resetvorrichtung (R) entkoppelt ist, und einer zweiten Position, in der diese beiden Vorrichtungen gekoppelt sind, zu verschieben, wobei die Verschiebung des Rades (6) von einer Position in die andere gegen die vorgenannten Rückstellmittel (11) erfolgt.
  8. Steuervorrichtung nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass diese so genannten zweiten Mittel (11) Mittel umfassen, um das so genannte zweite Rad (6) axial zwischen einer so genannten zweiten Position, in der die Motorisierung mit der Resetvorrichtung (R) gekoppelt ist, und einer so genannten ersten Position, in der diese beiden Vorrichtungen entkoppelt sind, zu verschieben, wobei die so genannten ersten Mittel deaktiviert sind.
  9. Steuervorrichtung nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass die vorgenannten Rückstellmittel (11) der ersten vorgenannten Mittel mindestens eine Kompressionsfeder umfassen, die um die Achse des zweiten Rades (6) montiert ist, und dass die so genannten ersten Mittel (3, 6, 8, 9) bei ihrer Aktivierung, um die eingerückte Position der Motorisierung (M) vorzugeben, die Feder(n) (11) komprimieren.
  10. Steuervorrichtung nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, dass das so genannte zweite Rad (6) und sein zugehöriges so genanntes zweites Ritzel (7) nur ein einziges und selbes Stück bilden, wobei diese Einheit axial zwischen den beiden vorgenannten Positionen gleitet.
  11. Steuervorrichtung nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, dass das so genannte zweite Rad (6) mechanisch mit seinem zugehörigen so genannten zweiten Ritzel (7) mit Hilfe einer Klaue (10) verbunden ist, die es dem Rad (6) ermöglicht, in Bezug zu seinem zugehörigen Ritzel (7) verschoben zu werden, das sich beim Verschieben aus diesem löst und somit die mechanische Verbindung zwischen dem so genannten ersten Rad (3) und dem so genannten ersten Ritzel (4) der Motorisierung (M) unterbricht.
  12. Steuervorrichtung nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass die vorgenannten so genannten ersten Mittel eine Lochscheibe (8) umfassen, die mit dem so genannten ersten Rad (3) verbunden ist, wobei die Scheibe mit einer Ausstülpung (9) zusammenwirkt, die auf dem so genannten zweiten Rad (6) vorgesehen ist, um das Rad in die eine oder andere Position mitzunehmen.
  13. Steuervorrichtung nach den Ansprüchen 2 und 12, dadurch gekennzeichnet, dass die vorgenannten Haltemittel der ausgerückten Position während des Schließens der Kontakte hauptsächlich darin bestehen, dass die Form und die Abmessungen der Scheibe und der Ausstülpung derart gewählt sind, dass das Zusammenwirken dieser beiden Stücke das so genannte zweite Rad (6) während der gesamten Dauer des Schließens des Geräts in die ausgerückte Position mitnimmt.
  14. Steuervorrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass die Ausstülpung (9) einen Ausrückkegel umfasst, während die Scheibe (8) mit Lochsektor einen ringförmigen Sektor umfasst, dessen Länge der Öffnung (8a) im Wesentlichen dem Verschlussweg der Steuerwelle (2) entspricht.
  15. Steuervorrichtung nach einem der Ansprüche 9 bis 14, dadurch gekennzeichnet, dass die oder jede vorgenannte Feder (11) zwischen einer festen Stütze des Geräts und dem dem so genannten zweiten Rad (6) zugehörigen Ritzel (7) angeordnet ist.
  16. Steuervorrichtung nach Anspruch 15, dadurch gekennzeichnet, dass diese Feder (11) in einer Aussparung (7a) des Ritzels (7) montiert ist.
  17. Steuervorrichtung nach einem der Ansprüche 12 bis 16, dadurch gekennzeichnet, dass die vorgenannte Scheibe (8) mit einer Welle verbunden ist, die drehfest mit der Steuerwelle (2) verbunden ist, wobei die Scheibe (8) mit der vorgenannten Ausstülpung (9) des so genannten zweiten Rades (6) zusammenwirkt, welches auf der Seite des vorgenannten zweiten Rades (6) befestigt ist, die jener gegenüberliegt, die sich gegenüber dem so genannten ersten Rad (3) befindet.
  18. Elektrisches Schutzgerät, dadurch gekennzeichnet, dass es eine Steuervorrichtung nach einem der vorgenannten Ansprüche umfasst.
  19. Elektrisches Schutzgerät nach Anspruch 18, dadurch gekennzeichnet, dass es ein elektrischer Mittelspannungsschalter oder -trennschalter ist.
EP12306504.7A 2011-12-16 2012-12-03 Vorrichtung zur Steuerung der Resetvorrichtungs-Motorisierung der Kontaktschließvorrichtung in einem elektrischen Schutzgerät, und eine solche Vorrichtung enthaltendes Gerät Active EP2605256B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1103882A FR2984589A1 (fr) 2011-12-16 2011-12-16 Dispositif de commande de la motorisation du dispositif de rearmement du dispositif de fermeture des contacts dans un appareil de protection electrique et appareil le comportant

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EP2605256A1 EP2605256A1 (de) 2013-06-19
EP2605256B1 true EP2605256B1 (de) 2016-08-10

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EP (1) EP2605256B1 (de)
CN (1) CN103165299B (de)
ES (1) ES2602158T3 (de)
FR (1) FR2984589A1 (de)

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US9443668B2 (en) * 2014-06-12 2016-09-13 Eaton Corporation Electrical switching apparatus, and stored energy assembly and torque regulator assembly therefor
CN105304362B (zh) * 2014-07-14 2017-09-22 亚洲电力设备(深圳)股份有限公司 固体绝缘开关设备的主回路操作机构
CN106409547B (zh) * 2015-07-31 2018-12-21 伊顿电力设备有限公司 接地开关操作装置
DE102016215888A1 (de) * 2016-08-24 2018-03-01 Siemens Aktiengesellschaft Koppeleinrichtung und Verfahren zum Koppeln und Entkoppeln eines Spanngetriebes eines Leistungsschalters

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP2575150A1 (de) * 2011-09-30 2013-04-03 Schneider Electric Industries SAS Vorrichtung zur Entkupplung des Motorantriebs von der Federspannvorrichtung des Kontaktantriebs in einem Schutzschalter und Schutzschalter mit einer entsprechenden Vorrichtung

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FR2558986B1 (fr) * 1984-01-30 1986-11-21 Merlin Gerin Dispositif de commande d'un disjoncteur electrique
FR2589626B1 (fr) 1985-10-31 1989-03-03 Merlin Gerin Mecanisme de commande d'un disjoncteur equipe d'un systeme accumulateur d'energie
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
KR101050548B1 (ko) * 2007-03-27 2011-07-19 미쓰비시덴키 가부시키가이샤 개폐 장치의 축세 기구
FR2923075B1 (fr) * 2007-10-29 2009-12-25 Areva T & D Ag Actionneur d'un interrupteur comprenant un dispositif d'accouplement a roue libre

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2575150A1 (de) * 2011-09-30 2013-04-03 Schneider Electric Industries SAS Vorrichtung zur Entkupplung des Motorantriebs von der Federspannvorrichtung des Kontaktantriebs in einem Schutzschalter und Schutzschalter mit einer entsprechenden Vorrichtung

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FR2984589A1 (fr) 2013-06-21
CN103165299B (zh) 2017-06-09
CN103165299A (zh) 2013-06-19
EP2605256A1 (de) 2013-06-19
ES2602158T3 (es) 2017-02-17

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