EP2650891B1 - Betätigungsvorrichtung für ein elektrisches Mittelspannungsschaltgerät, das eine Schaltverriegelungsvorrichtung enthält, und elektrisches Schaltgerät, das sie umfasst - Google Patents

Betätigungsvorrichtung für ein elektrisches Mittelspannungsschaltgerät, das eine Schaltverriegelungsvorrichtung enthält, und elektrisches Schaltgerät, das sie umfasst Download PDF

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Publication number
EP2650891B1
EP2650891B1 EP13305105.2A EP13305105A EP2650891B1 EP 2650891 B1 EP2650891 B1 EP 2650891B1 EP 13305105 A EP13305105 A EP 13305105A EP 2650891 B1 EP2650891 B1 EP 2650891B1
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EP
European Patent Office
Prior art keywords
shaft
aforementioned
lever
control device
selector
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Application number
EP13305105.2A
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English (en)
French (fr)
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EP2650891A1 (de
Inventor
Yves Belin
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication of EP2650891A1 publication Critical patent/EP2650891A1/de
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/04—Interlocking mechanisms
    • H01H31/08—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/04—Interlocking mechanisms
    • H01H31/10—Interlocking mechanisms for interlocking two or more switches
    • 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
    • H01H33/46—Interlocking mechanisms
    • H01H33/52—Interlocking mechanisms for interlocking two or more switches
    • 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
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H2009/288—Provisions relating to welded contacts
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches

Definitions

  • the present invention relates to a control device of an electrical protection device intended to be interposed between two parts of an electrical circuit so as to ensure at least the functions respectively of current flow between the parts, of interruption of the current between the parts, and of grounding of one of the parts of the circuit, said apparatus comprising an apparatus of breaking in series with an apparatus of grounding, said device of control comprising a tree said primary shaft, of maneuver of the contact control shaft of the cutoff device said secondary shaft, said primary shaft being adapted to be operated by a user, and an operating shaft of the grounding shaft, also operable by a user.
  • Electrical protection devices comprising a signaling light of a soldered state of the contacts.
  • the object of the present invention is to propose a device for controlling an electrical protection device comprising an interlocking device, of simple design, preventing the earthing of a part of the circuit, of locking the selector of the interferers. locks in the earth position or lock the control device in the open position, if the contact (s) of the switchgear is (are) welded (s).
  • the subject of the present invention is a control device for an electrical protection device, this device being characterized in that comprises an interlocking device between said two said primary and secondary shafts, said interlocking device being able to prohibit the earthing of one of the parts of the circuit when the apparatus is in the closed position, and cooperating with locking means controlled by the aforementioned secondary shaft to prohibit the grounding of the circuit when the contacts of the switchgear are welded.
  • the contacts are considered welded, if the secondary shaft has not achieved at least 70% of its total opening stroke.
  • the aforementioned interlocking device comprises a position selector movable between a first position in which it allows access to the access port to the operating shaft of the setting shaft. earth, and a second position in which it prohibits this access, and in that the aforementioned locking means cooperate with the interlocking device mentioned above, to prevent the passage of the aforementioned selector of the second to the aforementioned first position if the contacts of the device are soldered.
  • this device comprises a lock adapted to lock the selector in the aforementioned first position and / or lock the control device in the open position, preventing access to the so-called primary shaft, if the contacts of the device are soldered.
  • the cut-off apparatus has a vacuum breaking technology.
  • the aforementioned locking means are controlled by a position indicator integral with the aforementioned secondary shaft and giving the position of the contacts of the breaking apparatus to the aforementioned locking means.
  • the aforementioned interlocking device comprises a first interlocking lever freely rotatably mounted around the aforementioned secondary shaft and having a first flap capable of releasing or closing the access orifice to the shaft. operating said primary shaft, a second lever rotatably mounted about a fixed axis relative to the support of the apparatus and having a said second flap adapted to close or release the access port to the operating shaft of the grounding shaft, said first and second levers being mechanically connected, and the above-mentioned position selection selector.
  • the aforementioned position indicator comprises a stud adapted to cooperate with the first interlocking lever to prevent the movement of the selector to the first position when the apparatus is in the closed position.
  • the aforementioned locking means comprise a latch pivotally mounted relative to a fixed axis of the support and biased by a spring towards the so-called secondary shaft, said latch cooperating with a feeler portion of the indicator giving the position of the contacts and with means provided on the first lever so as to allow or prevent the rotational drive of the first lever via the operating member of the selector.
  • these means provided on the first lever mainly consist in that from the closed position to an open position of the contacts corresponding to at least 70% of the opening stroke in rotation of the so-called secondary shaft, the shapes between the latch and the lever interfering to prevent the rotation of the first lever so as to prevent the operation of the selector, and between this last open position and the open position at 100% of the contacts, the shapes between the latch and the lever no longer interfer and allow the rotation of the lever and thus the operation of the selector.
  • the first interlocking lever comprises a first arm comprising the shutter of the access opening to the said primary shaft, and a second arm having a bent portion, and in that the two successive portions of this bent portion cooperate with the end portion of the lock so that in the closed position of the device, the lock is biased towards the secondary shaft and that the effort of the first lever on the lock by through its first bent part portion, locks the selector in position so as to prevent its movement towards the first position, and in that when the contacts are open in a rotation stroke of at least 70%, the part protruding from the indicator moves the lock so as to allow the movement of the first lever, this displacement allowing the displacement of the selector to the first position, and in that in the open position of the prod uit and actuated selector, the second bent portion exerts a force on the side portion of the lock adapted to allow the movement of the selector.
  • the aforementioned lock comprises a cam adapted to be rotated by means of a key, said cam being adapted to cooperate with a return portion secured to said first interlocking lever so as to lock said first lever in the closed position of the access opening to the said primary shaft and / or to lock the selector in the aforementioned first position, this cooperation between the cam and the return part in order to perform the aforementioned padlocking n ' it being possible that after a certain rotational stroke of the cam made possible by a corresponding rotational stroke of the lever return, which rotational stroke of the lever return can be obtained only when the contacts are not welded.
  • a rotational stroke of the cam for lockout is about 90 °.
  • the switching device also performs the disconnector function.
  • the breaking device is a circuit breaker or a switch.
  • the present invention further relates to an electrical protection apparatus having the aforementioned features taken alone or in combination.
  • This cell comprises a circuit breaker 1 (or switch) preferably with a vacuum breaking technology, such as for example a vacuum interrupter, said circuit-breaker preferably also performing the disconnector function and, in series with said circuit breaker, a switching device.
  • the earth 2 having a selector S at at least two positions respectively a current passage position that does not allow earthing of one of the circuit parts, and a position allowing a grounding of one parts of the circuit, said circuit breaker 1 (switch) being electrically connected upstream for example to a busbar, and downstream, for example to at least one cable, said cell being able to take three positions respectively a closed position, a disconnected position and a grounding position.
  • the control device of this cell comprises a shaft 3, said primary shaft, operating the circuit breaker control, mechanically connected to a drive shaft 4 of the contacts of the vacuum interrupter, and adapted to be manually operated by the intermediate an operating lever so as to perform the manual opening or closing of the contacts of said bulb, or a reset after an opening, according to the use of the cell, through an orifice provided in the envelope of the apparatus.
  • the control device also comprises a shaft 5 for the operation 4 of a grounding shaft.
  • the contacts of the bulb can be opened or closed by opening and closing buttons or reels respectively opening or closing that can be operated remotely, these buttons and coils not being shown in the drawings.
  • the contacts of the vacuum interrupter are held in the open position or in the closed position respectively by means of a so-called closing fastening device and a fastening device known as opening (not shown).
  • closing fastening device and a fastening device known as opening (not shown).
  • opening also known as opening (not shown).
  • These attachment devices are releasable either automatically in the event of an electrical fault, or by means of the buttons for opening and closing manual actuation, or via the remote actuating coils.
  • this cell also comprises a grounding switch in series with the aforementioned circuit breaker, said switch comprising an operating shaft 5 of the grounding shaft that can be operated by means of a lever through a orifice 6 provided for this purpose, after the actuation of a selector S of choice to a position in which the access port 6 to this operating shaft is released.
  • the actuation of this selector S has the effect of releasing or closing the access port to said operating shaft 5 of the grounding shaft, by means of a lever 8 said second lever inter locking, comprising a shutter shutter said second 9.
  • the circuit breaker and the earthing switch are mechanically connected by interlocking device I, to prevent the selector S from being switched from grounding to the earthing position. of the cell when the circuit breaker is in the closed position, to prevent access through an orifice 12 to the control shaft 3 of the circuit breaker, said primary shaft, when the selector S is in the grounding authorization position , the insertion port 6 of the operating lever of the operating shaft 5 is released.
  • interlock device I comprises a first interlocking lever 7 freely rotatably mounted around the control shaft 4 of the circuit breaker light bulb contacts, said lever comprising a first arm 10 having a flap 11 said first , able to close off or release the actuating orifice 12 of the circuit breaker, said first lever 7 being connected in an articulated manner via a second arm 13 to one end of a connecting rod 14 whose other end is connected in an articulated manner to one of the ends of a so-called first arm 15 belonging to a second interlocking lever 8 mounted hinged about a fixed axis of the cell and comprising a second arm 16 whose free end comprises a shutter 9 said second, closing the access port 6 to the operating shaft 5 of the grounding shaft.
  • the second arm 13 of the first interlocking lever 9 has a bent portion 17 having a first portion 18 located on the side of the first interlocking lever 7 and a second portion 19 located on the side of the second interlocking lever 9.
  • the axis of articulation between the connecting rod 14 and the second interlocking lever 8 is extended by a stud 20 intended to be introduced into a slot 21 of the selector S, which is slidably mounted relative to a fixed support of the cell between a first position in which the second interlocking lever 8 has been driven in the clockwise direction so that grounding is prevented, and a second position in which this second interlocking lever 8 has been driven into the counter-clockwise direction and the earthing is authorized, said selector S being able to be driven between these two positions by means of an actuator 22 located on its outer face, or by means of a lock 23 .
  • This interlocking device 1 also comprises a lock 23 comprising a cam 24 adapted to cooperate with a return part 25 integral with the first interlocking lever mentioned above 7, said lock 23 being able to drive said first lever 7 into the closed position of the opening 12 access to the control shaft of the circuit breaker and lock this lever in this position.
  • This device also comprises a part 26 integral with the control shaft 4 of the contacts of the vacuum interrupter and constituting a position indicator of this control shaft.
  • This piece comprises a stud 27 adapted to cooperate with the first interlocking lever 7 so as to prevent the movement of said lever and therefore also of the selector S to its grounding authorization position, when the apparatus is in position. closed position.
  • This piece also comprises a projecting portion 28 forming a probe, adapted to cooperate with a latch 29 rotatably mounted relative to a fixed axis of the support of the apparatus, said latch being biased towards the indicator 26 by means of a spring 30 and being adapted to cooperate on the one hand with the probe portion hereinafter referred to as probe and on the other hand, with the first interlocking lever 7 in the manner that will be described in the following.
  • the control device has brought the electrical equipment in a closed position.
  • the position of the position indicator 26 given by the position of the control shaft 4 of the contacts of the bulb, is such that the feeler 28 is retracted under the first interlocking lever 7, and does not interfere with the latch 29, which is biased by the spring towards the first interlocking lever 7.
  • the first interlocking lever 7 is supported on the stud 27 of the indicator 26, so that the flap 11 can not be brought opposite the access port 12 to the control shaft 3 of the control of the bulb via this lever 7.
  • the control device has brought the electrical equipment into an open position, the selector S of control of the grounding having not yet been actuated, so that the orifice 6 of access to the shaft of operation 5 of the earth shaft is closed by the flap 9 of the second interlocking lever 8.
  • the access port 12 to the operating shaft 3 of the control shaft 4 contacts of the switchgear is released and thus allows a closing maneuver.
  • the operating shaft of the control of the bulbs has achieved at least 70% of its opening rotational stroke, so that the probe 28 has moved the latch 29 in rotation clockwise against the return spring , showing a game j between the bent part 17 and the latch 29.
  • this clearance j allows the first interlocking lever 7 to be moved in rotation in the clockwise direction following an actuation of the position selector S to the position allowing the earthing , position illustrated on the figure 4 .
  • the selector S slides relative to the support of the apparatus, this sliding being guided by the displacement of the stud 27 in the arcuate groove 21 of the support of the apparatus.
  • the second interlocking lever 8 moves in rotation in the counterclockwise direction so as to release the access 6 to the operating shaft 5 of the grounding shaft.
  • the displacement of the selector S to the right in the drawings, corresponding to an authorization of earthing, can be carried out indifferently by the actuation of the actuator 22 of the selector S by the user, or by the actuation of the lock 23 by means of a key such as this is illustrated on the figure 4 .
  • the probe 28 remains retracted and does not act on the latch 29, which remains supported by its upper portion 29a on the first portion 18 of the bent portion 17 of the second arm 13 of the first interlocking lever 17 , as was the case on the figure 2 which illustrates the apparatus in closed position.
  • the latch 29 prevents the rotation of the second lever 8 and therefore the action on the selector S and thus on the lock 23. It is therefore no longer the stud 27 of the indicator 26 which blocks the selector S, a set i being created between this pad 27 and the first lever 7, but the latch 29 acting on the bent portion 17.
  • This latch 29 also prevents the displacement of the first lever 7 and thus prevents the locking of the control device in the open position, since the lever 7 can not close the orifice 12 for access to the primary shaft 3, the latter remaining therefore accessible for a closing maneuver.
  • the clearance present between the stud 27 and the lever 7 makes it possible to rotate the lever in the event of soldered contacts. This possibility of rotation makes it possible to force the prohibition of access to grounding.
  • the present invention thus prevents grounding of the cables if the circuit is soldered, the cables being always connected to the network, this being likely to cause a short circuit.
  • the invention therefore protects the user when it intends to put the cables to the ground, following a voluntary opening of the circuit breaker or switch to intervene thereon.

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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Claims (16)

  1. Vorrichtung zum Steuern einer elektrischen Schutzeinrichtung, die dazu bestimmt ist, zwischen zwei Teile einer elektrischen Schaltung eingefügt zu werden, derart, dass wenigstens die Funktionen des Stromdurchgangs zwischen den Teilen bzw. der Unterbrechung des Stroms zwischen den Teilen bzw. des Verbindens mit Masse eines der Teile der Schaltung sicherzustellen, wobei die Einrichtung eine Unterbrechungseinrichtung in Reihe mit einer Masseverbindungseinrichtung umfasst, wobei die Steuervorrichtung eine Welle, die Primärwelle genannt wird, zum Betätigen der Steuerwelle der Kontakte der Unterbrechungseinrichtung, die Sekundärwelle genannt wird, wobei die Primärwelle durch einen Anwender betätigt werden kann, und eine Welle zum Betätigen der Masseverbindungswelle, die ebenfalls durch den Anwender betätigt werden kann, umfasst, dadurch gekennzeichnet, dass sie eine Vorrichtung (I) zum gegenseitigen Verriegeln der oben erwähnten Primärwelle (3) und der oben erwähnten Sekundärwelle (4) umfasst, wobei die Zwischenverriegelungsvorrichtung (I) dafür ausgelegt ist, die Verbindung mit Masse des einen der Teile der Schaltung zu verhindern, wenn die Einrichtung in der geschlossenen Position ist, dadurch gekennzeichnet, dass die Zwischenverriegelungsvorrichtung mit Verriegelungsmitteln (28, 29, 17, 18, 19) zusammenwirkt, die durch die oben erwähnte Sekundärwelle (4) gesteuert werden, um das Verbinden mit Masse der Schaltung zu verhindern, wenn die Kontakte der Unterbrechungseinrichtung verschweißt sind.
  2. Steuervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Kontakte als verschweißt angeschweißt angesehen werden, wenn die Sekundärwelle (4) nicht wenigstens 70 % ihrer gesamten Öffnungsbahn ausgeführt hat.
  3. Steuervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die oben erwähnte Zwischenverriegelungsvorrichtung (I) einen Positionswähler (S) umfasst, der zwischen einer ersten Position, in der er den Zugang zu der Zugangsöffnung (6) für die Welle (5) zum Betätigen der Masseverbindungswelle zulässt, und einer zweiten Position, in der er diesen Zugang verhindert, beweglich ist, und dass die oben erwähnten Verriegelungsmittel (28, 29, 17, 18, 19) mit der oben erwähnten Zwischenverriegelungsvorrichtung (I) zusammenwirken, um den Übergang des oben erwähnten Wählers (S) von der zweiten in die erste oben erwähnte Position zu verhindern, falls die Kontakte der Einrichtung verschweißt sind.
  4. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie ein Schloss (23) umfasst, das dafür ausgelegt ist, den Wähler (S) in der oben erwähnten ersten Position zu verriegeln und/oder die Steuervorrichtung in der geöffneten Position zu verriegeln, indem der Zugang der so genannten Primärwelle (3) verhindert wird, falls die Kontakte der Einrichtung verschweißt sind.
  5. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Unterbrechungseinrichtung eine Vakuumunterbrechungstechnologie aufweist.
  6. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die oben erwähnten Verriegelungsmittel (28, 29, 17, 18, 19) durch einen Positionsanzeiger (26) gesteuert werden, der mit der oben erwähnten Sekundärwelle (4) fest verbunden ist und die Position der Kontakte der Unterbrechungseinrichtung mittels der oben erwähnten Verriegelungsmittel angibt.
  7. Steuervorrichtung nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die oben erwähnte Verriegelungsvorrichtung (I) einen ersten Zwischenverriegelungshebel (7), der frei drehbar um die oben erwähnte Sekundärwelle (4) montiert ist und eine erste Klappe (11), die die Zugangsöffnung (12) für die Welle (3) zum Betätigen der Primärwelle freigeben oder versperren kann, aufweist, einen zweiten Hebel (8), der drehbar um eine in Bezug auf den Träger der Einrichtung feste Achse drehbar montiert ist und eine so genannte zweite Klappe (9) aufweist, die die Zugangsöffnung (6) für die Welle (5) zum Betätigen der Masseverbindungswelle versperren oder freigeben kann, wobei der erste und der zweite Hebel (7, 8) mechanisch verbunden sind, und den oben erwähnten Wähler (S) für die Positionswahl umfasst.
  8. Steuervorrichtung nach den Ansprüchen 6 und 7, dadurch gekennzeichnet, dass der oben erwähnte Positionsanzeiger (26) einen Höcker (27) aufweist, der mit dem ersten Zwischenverriegelungshebel (7) zusammenwirken kann, um die Verlagerung des Wählers (S) in die erste Position zu verhindern, wenn die Einrichtung in der geschlossenen Position ist.
  9. Steuervorrichtung nach Anspruch 6, 7 oder 8, dadurch gekennzeichnet, dass die oben erwähnten Verriegelungsmittel (28, 29, 17, 18, 19) einen Riegel (29) umfassen, der in Bezug auf eine feste Achse des Trägers schwenkbar montiert ist und durch eine Feder in Richtung der Sekundärwelle (4) zurückgestellt wird, wobei der Riegel (29) mit einem Teil, der einen Fühler (28) des Anzeigers (26) bildet, der die Position der Kontakte angibt, und mit Mitteln (17, 18, 19), die an dem ersten Hebel (7) vorgesehen sind, zusammenwirkt, derart, dass die Drehung des ersten Hebels (7) über das Betätigungsorgan (22) des Wählers (S) zugelassen oder verhindert wird.
  10. Steuervorrichtung nach den Ansprüche 7 und 9, dadurch gekennzeichnet, dass diese Mittel (17, 18, 19), die an dem ersten Hebel (7) vorgesehen sind, hauptsächlich darin bestehen, von der geschlossenen Position in eine geöffnete Position der Kontakte überzugehen, die wenigstens 70 % der rotatorischen Öffnungsbahn der Sekundärwelle (4) entspricht, wobei die Formen zwischen dem Riegel (29) und dem Hebel (7) zusammenwirken, um die Drehung des ersten Hebels (7) zu verhindern, derart, dass die Betätigung des Wählers (S) verhindert wird, und dass zwischen dieser letzteren Öffnungsposition und der zu 100 % geöffneten Position der Kontakte die Formen zwischen dem Riegel (29) und dem Hebel (7) nicht mehr zusammenwirken und die Drehung des Hebels (7) und daher die Betätigung des Wählers zulassen.
  11. Steuervorrichtung nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass der erste Zwischenverriegelungshebel (7) einen ersten Arm (10), der die Klappe (11) zum Verschließen der Zugangsöffnung (12) für die Primärwelle (3) enthält, und einen zweiten Arm (13), der einen gebogenen Teil (17) enthält, umfasst, und dass die zwei aufeinander folgenden Abschnitte (18, 19) dieses gebogenen Teils (17) mit dem Endabschnitt (29a) des Riegels (29) in der Weise zusammenwirken, dass in der geschlossenen Position der Einrichtung der Riegel (29) zu der Sekundärwelle (4) zurückgestellt wird und die Wirkung des ersten Hebels (7) auf den Riegel (29) über seinen ersten Abschnitt (18) des gebogenen Teils den Wähler (S) in seiner Position verriegelt, derart, dass seine Verlagerung in die erste Position verhindert wird, und dass dann, wenn die Kontakte längs der Drehbahn um wenigstens 70 % geöffnet sind, der vorstehende Teil (28) des Anzeigers (26) den Riegel (29) in der Weise verlagert, dass die Verlagerung des ersten Hebels (7) möglich ist, wobei diese Verlagerung die Verlagerung des Wählers (S) in seine erste Position ermöglicht, und dass in der geöffneten Position des Produkts und der betätigten Position des Wählers der zweite gebogene Abschnitt (19) eine Kraft auf den seitlichen Teil (29b) des Riegels (29) ausübt, die die Verlagerung des Wählers (S) zulassen kann.
  12. Steuervorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass das oben erwähnte Schloss (23) einen Nocken (24) aufweist, der mittels eines Schlüssels rotatorisch angetrieben werden kann, wobei der Nocken (24) mit einem Vorgelegeabschnitt (25), der mit dem oben erwähnten ersten Zwischenverriegelungshebel (7) fest verbunden ist, zusammenwirken kann, derart, dass dieser erste Hebel (7) in der Verschlussposition der Zugangsöffnung (12) für die Primärwelle (3) verriegelt ist und/oder dass der Wähler (S) in der oben erwähnten ersten Position verriegelt ist, wobei diese Zusammenwirkung zwischen dem Nocken (24) und dem Vorgelegeabschnitt (25), um die oben erwähnte Verriegelung zu verwirklichen, nur nach einer bestimmten Drehbahn des Nockens möglich ist, die durch eine entsprechende Drehbahn des Hebelvorgeleges ermöglicht wird, wobei die Drehbahn nur erhalten werden kann, wenn die Kontakte nicht verschweißt sind.
  13. Steuervorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass eine Drehbahn des Nockens (24), die die Verriegelung ermöglicht, etwa 90° beträgt.
  14. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Unterbrechungseinrichtung auch die Trennschalterfunktion verwirklicht.
  15. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Unterbrechungseinrichtung ein Überlastschalter oder ein Stromunterbrecher ist.
  16. Elektrische Mittelspannungs-Schutzeinrichtung, die eine Steuervorrichtung nach einem der Ansprüche 1 bis 15 umfasst.
EP13305105.2A 2012-04-10 2013-01-30 Betätigungsvorrichtung für ein elektrisches Mittelspannungsschaltgerät, das eine Schaltverriegelungsvorrichtung enthält, und elektrisches Schaltgerät, das sie umfasst Active EP2650891B1 (de)

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EP3089186B1 (de) * 2015-04-30 2019-09-11 General Electric Technology GmbH Elektrisches schaltgerät sowie verfahren zum betreiben einer elektrischen schaltanlage
CN105428141B (zh) * 2015-12-28 2018-09-07 甘肃长城电工电器工程研究院有限公司 一种断路器用弹簧机构机械联锁
FR3051593B1 (fr) * 2016-05-23 2019-10-04 Schneider Electric Industries Sas Dispositif de signalisation d'un defaut electrique dans un appareil de protection electrique, et appareil de protection electrique comportant un tel dispositif.
CN106783359B (zh) * 2017-01-04 2018-06-19 北海银河开关设备有限公司 一种中压两工位隔离开关操动机构
CN110085463B (zh) * 2018-01-26 2023-08-01 Abb 瑞士股份有限公司 用于配电系统的构件的锁组件
WO2020208919A1 (ja) * 2019-04-11 2020-10-15 株式会社日立ハイテクノロジーズ 自動分析装置
CN110571092A (zh) * 2019-11-01 2019-12-13 江苏省如高高压电器有限公司 一种新型复合式高压组合电器
CN113900408B (zh) * 2021-09-18 2023-10-20 北京理工大学 一种多级凸轮互锁结构
CN113867248B (zh) * 2021-09-18 2023-10-17 北京理工大学 一种基于多级凸轮互锁结构的多级联锁电路

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US2363364A (en) * 1941-07-12 1944-11-21 Westinghouse Electric & Mfg Co Switching apparatus
US5272291A (en) * 1991-12-30 1993-12-21 Boltswitch, Inc. Dual switch actuator mechanism with Geneva drive plate and follower plates detent assembly
JP4411981B2 (ja) * 2004-01-22 2010-02-10 富士電機機器制御株式会社 回路遮断器の開閉機構
CN2842696Y (zh) * 2005-04-23 2006-11-29 刘崇方 一种真空负荷开关柜操作联锁机构
EP2172956B1 (de) * 2008-10-03 2013-02-13 Schneider Electric Industries SAS Mechanismus für den synchronisierten Betrieb des Schließens und Öffnens einer Schaltvorrichtung und Auswahlvorrichtung in einer Schalteinrichtung
FR2940516B1 (fr) * 2008-12-18 2012-09-28 Schneider Electric Ind Sas Cellule de distribution electrique moyenne tension
KR101100709B1 (ko) * 2010-06-10 2011-12-30 엘에스산전 주식회사 고체절연 차단장치용 인터록 장치

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FR2989217B1 (fr) 2014-03-28
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CN103367055B (zh) 2018-05-22
FR2989217A1 (fr) 2013-10-11

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