EP3657522B1 - Betätigungsmechanismus zum öffnen und schliessen einer stromunterbrechungsvorrichtung für einen elektrichen schalter - Google Patents

Betätigungsmechanismus zum öffnen und schliessen einer stromunterbrechungsvorrichtung für einen elektrichen schalter Download PDF

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Publication number
EP3657522B1
EP3657522B1 EP19210231.7A EP19210231A EP3657522B1 EP 3657522 B1 EP3657522 B1 EP 3657522B1 EP 19210231 A EP19210231 A EP 19210231A EP 3657522 B1 EP3657522 B1 EP 3657522B1
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EP
European Patent Office
Prior art keywords
arming
wheel
disengagement
closing
lever
Prior art date
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Active
Application number
EP19210231.7A
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English (en)
French (fr)
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EP3657522A1 (de
Inventor
Dominique TREFFOT
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication of EP3657522A1 publication Critical patent/EP3657522A1/de
Application granted granted Critical
Publication of EP3657522B1 publication Critical patent/EP3657522B1/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
    • H01H3/22—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
    • H01H3/3042—Power arrangements internal to the switch for operating the driving mechanism using spring motor using a torsion spring
    • 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
    • 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
    • H01H2003/3063—Decoupling charging handle or motor at end of charging cycle or during charged condition
    • 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
    • H01H3/3031—Means for locking the spring in a charged state

Definitions

  • the present invention relates to a mechanism for controlling the closing and opening of a device for establishing and cutting current in an electrical switch device, in particular an electrical switch device operating at medium voltage or high voltage, that is, that is to say operating at a voltage greater than 1000V.
  • switch electrical device interchangeably includes several types of electrical devices such as a switch, a circuit breaker, a contactor, a fuse switch, a disconnector, a recloser, etc.
  • the present invention relates to a mechanism for controlling the closing and opening of a current cut-off device capable of executing a closing / opening cycle immediately after its arming.
  • the mechanism according to the present invention is provided with a system for disengaging an cocking lever, which is activated during the closing phase to disengage said lever, and to avoid any risk of damage to the switch-off device. current which may result from slow opening.
  • the document engagement means [1] can comprise an engagement pawl, pivotally mounted on the cocking wheel, and terminated by an engagement hook inside which the cocking lever exerts the necessary thrust to the rotation of said cocking wheel.
  • the implementation of this mechanism for opening and / or closing a device for establishing and cutting current comprises in a first step the simultaneous arming of the first and second springs so as to put the latter in a state compression.
  • the current establishment and cut-off module will be called the current cut-off module, it being understood that the latter is capable of being used for establishing and cutting the current.
  • the cocking lever is coupled, via the engagement means, to the cocking wheel so as to cause the latter to pivot in a direction called the cocking direction.
  • the force of the lever on the cocking wheel is then transmitted, via the cocking shaft, at the central end of each of the first and second springs, and so as to compress the latter.
  • the opening and closing wheels are generally blocked by, respectively, first and second hooking means.
  • the mechanism is ready to control the closing, and the opening if necessary, of the power cut-off device.
  • the closing of the current cut-off device then comprises the control of the second hooking means so as to release the closing wheel and allow its rotation, according to the arming direction, under the effect of the release of the second spring from the state of compression.
  • the opening itself follows a path similar to that of the closing but involves the unlocking of the cocking wheel by the first hooking means. This then results in a rotation of the cocking wheel under the effect of the release of the first spring from the state of compression.
  • said device can be closed directly at the end of the arming phase.
  • the cocking lever if it remains engaged during this reopening phase, risks being rotated in a direction opposite to the cocking direction by the cocking wheel. Such a movement in the opposite direction of the lever, if it is maintained by an operator, will disturb, and in particular slow down, the opening, and consequently, will damage the power cut-off device.
  • the mechanism of document [1] uses disengagement means configured to disengage the cocking lever from the engagement means.
  • the mechanism of document [1] comprises a stop arranged on the path of the hook terminating the engagement pawl, and configured to retract the engagement pawl at the end of the cocking phase so as to disengage the lever. armament.
  • An aim of the present invention is therefore to propose an improved mechanism compared to what is known from the state of the art.
  • the engagement pawl is arranged to adopt one or the other of a first and a second position, the first position being a position for which the cocking lever, when 'it rotates according to the cocking direction, exerts a thrust against the engagement pawl, which is transmitted to the cocking wheel so as to drive the latter in the same direction, the second position being a retracted position for which more no force between the cocking wheel and the cocking lever is transmitted.
  • the disengagement means comprises a disengagement mounted pivotably along one of its ends, called the first end, about an axis essentially parallel to the axis of elongation of the cocking shaft, and comprising at its other end, called the second end, a stop, called the disengagement stop.
  • the mechanism further comprises a disengagement lever mounted to pivot at one of its ends, called the first end, and intended to pivot the disengagement crank when said lever pivots, the disengagement lever is also arranged so that the rotation of the closing wheel causes a pivoting of said disengagement lever; advantageously a link arm mechanically links the disengagement lever and the disengagement crank.
  • the disengagement stop exerts a force on the engagement pawl so that the latter moves from its first position to its second position.
  • the engagement pawl is arranged so that its passage from its first position to its second position ends simultaneously with the closing of the current cut-off device.
  • the engagement pawl is arranged so that its passage from its first position to its second position begins after the start of the closing of the current cut-off device.
  • the cocking lever comprises a main shaft arranged in the extension of the cocking shaft, and a lateral projection terminated by a pin, called the engagement pin, extending in a direction. substantially parallel to the direction of elongation of the main shaft.
  • the engagement pawl is pivotally mounted at one of its ends, around a pivot axis, on the cocking wheel, the pivot axis being essentially parallel to the direction of elongation of the cocking shaft, and the engagement pawl further comprises a hook, said engagement hook, at which the engagement pin transmits the force of the engagement pawl to rotate the engagement wheel. arming during the arming phase.
  • the engagement pawl also comprises a second hook, called a stop hook, against which the stop of the disengagement crank is intended to abut.
  • said cocking lever is a motorized lever.
  • the invention also relates to a current cut-off device provided with the closing and opening control mechanism according to the present invention, as well as to an electrical switch device comprising at least one cut-off device for opening and closing at least one switch contact. the electrical appliance switch.
  • the current cut-off device as described in the present invention is implemented for establishing and / or cutting a phase of the current.
  • the control mechanism 100 comprises a frame 200 and an arming shaft 300 which extends in an elongation direction XX '.
  • the arming shaft 300 is in a pivot connection with respect to the frame 200 (illustrated in broken lines on the figure 2 ).
  • the operating mechanism 100 further includes a first 105 and a second 106 coil spring ( figure 2 , 3 , 4 , and 5a ).
  • spiral spring is meant a flat spring with non-contiguous turns.
  • Each of these first 105 and second 106 springs comprises a central end called, respectively, first central end 105a and second central end 106a, integral with the cocking shaft 300, and a peripheral end called respectively, first peripheral end 105b and second peripheral end 106b.
  • each of the two springs can be retained by its central end in a groove formed along the length of the arming shaft 300 ( figure 4 ).
  • the operating mechanism 100 also includes a cocking wheel 107 (shown in figure 2 ).
  • the cocking wheel 107 may be a metal part of generally planar shape defined by two main faces connected by a contour.
  • the cocking wheel 107 is integral with the cocking shaft 300, and is capable of pivoting about the axis XX 'as soon as the cocking shaft 300 is rotated around this axis.
  • the first peripheral end 105b of the first spring 105 is integral with the frame ( figure 2 ).
  • the setting in rotation of the arming shaft 300 also drives the arming wheel 107 and is accompanied by the tensioning of the first spring 105.
  • the first spring 105 accumulates a mechanical energy intended to cause the opening of the cut-off device. current, for example in the event of a line fault.
  • this state of tension of the first spring is also called “armed state”.
  • the cocking wheel 107 is blocked so as to keep the first compressed spring.
  • the locking of the cocking wheel can involve a first hooking means 108 ( figure 5a ).
  • the first hooking means 108 can adopt two so-called states, respectively, first state and second state.
  • the first state is a state for which the cocking wheel 107 is blocked so as to keep the first spring 105 in tension.
  • the first hooking means 108 switches to this first state automatically at the end of the arming phase.
  • the second state corresponds to a release of the cocking wheel 107.
  • the first hooking member releases the cocking wheel 107 which is rotated under the effect of a release of the first spring 105 from of his armed state.
  • the energy of the first spring 105 is then transmitted to the current cut-off device, in particular via the cocking shaft 300 and an intermediate means (not shown), so that it cuts the current.
  • the first hooking member 108 can, for example, comprise a hooking finger intended to cooperate with the cocking wheel by hooking the latter at the end of the cocking phase.
  • a hooking finger is described in document [1] cited at the end of the description.
  • the first hooking member 108 can include a lever 108a rocking around a pivot shaft between the first state and the second state ( figure 5a ).
  • the first state may correspond to a position for which the cocking wheel exerts a thrust force at the level of one end of the lever 108a, via a roller 108c, while the other end of said lever is pressed against. a latch element 108b so as to compensate for the pushing force.
  • the second state may correspond to a withdrawal of the lock element so as to release the cocking wheel 107.
  • the lock element can be, in this case, a half-moon in a pivot connection about a lock axis essentially parallel to the axis XX '.
  • the tilting of the half-moon between one and the other of the first and second state then involves the rotation of said half-moon.
  • half-moon is understood to mean a cylinder truncated along a section plane parallel to the axis of revolution of said cylinder.
  • a particular example of a half moon is a half cylinder.
  • the operating mechanism 100 further includes a closing wheel 109 (shown in figure 3 ).
  • the closing wheel 109 can be a metal part of generally planar shape defined by two main faces connected by a contour.
  • the closing wheel 109 is in a pivot connection around the cocking shaft 300, and is capable of pivoting freely around the axis XX '.
  • the second peripheral end 106b of the second spring 106 is integral with the closing wheel ( figure 3 ).
  • the second peripheral end 106b is linked to the closing wheel 109 via intermediate parts B, C and D (shown in transparency on figure 3 ) fixed together by fixing means, and in particular bolt / nut pairs or screws.
  • the closing wheel 109 is blocked by a second hooking means 110 ( figure 5b ) being in a first state, so that the setting in rotation of the cocking shaft 300 according to the cocking direction (represented by the arrow "A" on the figure 3 ), puts the second spring 106 in tension.
  • the second spring 106 accumulates a mechanical energy intended to cause the closing of the current cut-off device, for example at the end of the arming phase.
  • this state in tension of the second spring is also called “armed state”.
  • the second hooking means can also adopt a second state which corresponds to a release of the closing wheel.
  • the second hooking member releases the closing wheel which is rotated under the effect of a release of the second spring 106 from its inactive state. voltage.
  • the energy of the closing wheel 109 is then transmitted to the current cut-off device so that it closes and allows current to flow.
  • the second attachment member essentially incorporates the characteristics of the first attachment member, and is therefore not described in more detail.
  • the cocking mechanism 100 also includes an cocking lever 111 configured to rotate the cocking wheel ( figures 1 to 3 ).
  • the cocking lever can be a lever actuated manually or by an automatic system, and allows, during the cocking phase, to rotate the cocking wheel 107 so as to cock the first 105 and the second 106 spring. via the armament tree 300.
  • control mechanism implements a pawl 213 configured to couple the cocking lever 111 to the cocking wheel 107 during the cocking phase ( figures 6 , 7 and 8 ).
  • the engagement pawl 213 is arranged to adopt one or the other of a first and a second position.
  • the first position is a position for which the cocking lever 111, when it turns according to the cocking direction, exerts a thrust against the engagement pawl 213, which is transmitted to the cocking wheel so as to drive the latter in the same direction.
  • the second position is a retracted position for which no more force between the cocking wheel and the cocking lever is transmitted.
  • the control mechanism 100 also comprises a disengagement means 113 configured to, under the effect of the rotation of the closing wheel during the closing of the current cut-off device, cause the engagement pawl 213 to tilt from its first. position towards its second position.
  • Coupled is understood to mean that once it is coupled to the cocking wheel 107, the cocking lever 111, pivoting in the direction of cocking around the axis XX ', drives the arm wheel. armament 107 according to the same meaning. Conversely, once the coupling between the cocking wheel 107 and the cocking lever 111 is broken, these two elements can pivot about the axis XX 'independently of one another.
  • This configuration is particularly advantageous when the command to close the current cut-off device intervenes directly at the end of the arming phase.
  • the control mechanism In fact, during this closing, in the event of a line fault, and in particular in the event of a short-circuit, the control mechanism must be able to implement effectively, and advantageously almost immediately, the opening of the control device. power cut and not be disturbed by the cocking lever 111 capable of being coupled to the cocking wheel 107. Otherwise, the cocking lever could be driven in rotation, in the opposite direction to that of arming, by the arming wheel, and disrupting, more particularly slowing down, the opening maneuver.
  • the disengagement means 113 is arranged so that the tilting of the engagement pawl 213 from the first position to the second position ends at the latest with the closing of the current cut-off device.
  • the disengagement means 113 is arranged so that this tilting begins after the start of the closing of the current cut-off device.
  • the disengagement means comprises a lever, called the disengagement crank 210, mounted to pivot along one of its ends, called the first end 210a, about an axis essentially parallel to the axis of elongation of the 'cocking shaft, and comprising at its other end, called second end 210b, a stop, called disengagement stop 211.
  • disengagement crank 210 is linked, via a link arm 212, to a disengagement lever 214, comprising two ends called the first end 214a and second end 214b.
  • the disengagement lever 214 is mounted to pivot along its first end 214a about an axis, called the pivot axis, parallel to the cocking shaft.
  • the link arm 212 is pivotally mounted at each of its ends, respectively, on the disengagement lever 214 and on the disengagement crank 210 so that any pivoting of the disengagement lever causes a pivoting of the disengagement crank 210.
  • the pivoting of the disengagement lever 214 can be initiated by the rotation of the closing wheel 109 to close the power cut-off device.
  • the closing wheel 109 can be provided with a roller, called a disengagement roller 215.
  • the disengagement roller 215 is arranged to strike the disengagement lever 214, in particular at the level of the second end 214b, and thus causing it to rotate around the pivot axis.
  • the disengagement lever 214 causes, via the link arm 212, the pivoting of the disengagement crank 210.
  • the disengagement stopper 211 then exerts a force on the engagement pawl 213 so that the latter rocks. from its first position to its second position.
  • the cocking lever 111 comprises a main shaft 111a arranged in the extension of the cocking shaft 300, and a lateral projection 111b terminated by a pin, called the engagement pin. 111c, extending in a direction substantially parallel to the direction of elongation of the main shaft ( figures 1 to 3 and 6 to 8 ).
  • the engagement pawl 213 is pivotally mounted along one of its ends 213a, around a pivot axis, on the cocking wheel 107, the pivot axis being essentially parallel to the direction of elongation of the shaft. armament.
  • the engagement pawl 213 further comprises a hook, said engagement hook 213b, at which the engagement pin transmits the force of the engagement pawl 213 to rotate the cocking wheel 107 during the release. arming phase.
  • the engagement pawl 213 also comprises a second hook, said stop hook 213d, against which the disengagement stop 211 is intended to abut in order to retract said engagement pawl 213 during the closing phase.
  • the arming mechanism relating to this particular embodiment firstly comprises an arming phase intended to put the first spring and the second spring in the armed state ( figure 6 ).
  • the cocking lever is positioned so that the engagement pin comes into abutment against the engagement hook.
  • the force then exerted by the cocking lever, via the engagement pin, on the engagement hook 213b makes it possible to guarantee the coupling between the cocking lever and the cocking wheel. Furthermore, this force, exerted in the arming direction, drives the arming wheel 107 in rotation.
  • the locking of the cocking wheel 107 by the first hooking means 108 indicates the end of the cocking phase.
  • the mechanism can be used to close the power cut-off device.
  • this step involves unlocking the closing wheel 109 by the second hooking means 110.
  • This release allows the second spring to release all the mechanical energy accumulated during the arming phase and communicate it to the closing wheel 109 which rotates according to the arming direction.
  • the disengagement crank 210 pivots, under the effect of the rotation of the closing wheel, around its pivot axis, so that the disengagement stopper comes into contact with the stop hook 213d ( figure 7 ), and thus causes the engagement pawl to tilt from its first position to its second position (retracted position, figure 8 ).
  • This tilting unlike the arrangement proposed in document [1], does not require exerting any force on the cocking lever, and only implements the release of the second spring from its cocked state. This tilting is therefore reproducible, and moreover without consequence on the arming maneuver.
  • the engagement lever 213 can also be provided with a return means, for example a spring, which maintains the latter, after its tilting, in the retracted position.
  • a return means for example a spring, which maintains the latter, after its tilting, in the retracted position.
  • the invention also relates to a power cut-off device provided with the operating mechanism according to the present invention.
  • the invention further relates to an electrical switch device, advantageously a multi-phase electrical device, comprising at least one switching device.

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  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Sawing (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Claims (13)

  1. Mechanismus (100) zum Steuern des Schließens und Öffnens einer Stromabschaltvorrichtung, wobei der Mechanismus enthält:
    - eine Spannwelle (300), die in Schwenkverbindung mit einem Gestell (200) steht;
    - eine erste (105) und eine zweite (106) Spiralfeder, die jeweils ein zentrales Ende (105a, 106a), das fest mit der Spannwelle (300) verbunden ist, und ein Umfangsende (105b, 106b) aufweisen;
    - ein Spannrad (107), das fest mit der Spannwelle (300) verbunden ist, wobei das Umfangsende (105b) der ersten Feder (105) fest mit dem Gestell verbunden ist, so dass das Lösen dieser Feder aus einem Spannungszustand das Spannrad (107) in Drehung versetzt und somit das Öffnen der Stromabschaltvorrichtung bewirkt;
    - ein Schließrad (109), das in Schwenkverbindung mit der Spannwelle (300) steht und mit dem Umfangsende (106b) der zweiten Feder (106) derart verbunden ist, dass das Lösen dieser Feder aus einem Spannungszustand das Schließrad (109) in Drehung versetzt und somit das Schließen der Stromabschaltvorrichtung bewirkt;
    - einen Spannhebel (111), der dazu ausgelegt ist, über eine Eingriffsklinke (213) das Spannrad in einer Spannrichtung zu drehen, um die erste und die zweite Feder während einer Spannphase unter Spannung zu setzen;
    - eine erste und eine zweite Verhakungseinrichtung (108, 110), die, wenn sie sich in einem ersten Zustand befinden, die Drehung des Spann- bzw. Schließrads in der Spannphase blockieren und dadurch die erste bzw. die zweite Feder in einem Spannungszustand halten, und die, wenn sie sich in einem zweiten Zustand befinden, die Drehung des Spann- bzw. Schließrads zulassen;
    - eine Ausrückeinrichtung (113);
    dadurch gekennzeichnet, dass
    die Ausrückeinrichtung dazu ausgelegt ist, unter der Wirkung der Drehung des Schließrads (109) beim Schließen der Stromabschaltvorrichtung den Spannhebel vom Spannrad auszurücken.
  2. Mechanismus nach Anspruch 1, wobei die Eingriffsklinke (213) dazu angeordnet ist, die eine oder andere aus einer ersten und einer zweiten Position einzunehmen, wobei die erste Position eine Position ist, bei welcher der Spannhebel dann, wenn er sich in der Spannrichtung dreht, eine Schubkraft gegen die Eingriffsklinke (213) ausübt, die auf das Spannrad (107) so übertragen wird, dass letzteres in der gleichen Richtung angetrieben wird, wobei die zweite Position eine eingefahrene Position ist, bei welcher zwischen dem Spannrad (107) und dem Spannhebel keine Kraft mehr übertragen wird.
  3. Mechanismus nach Anspruch 2, wobei die Ausrückeinrichtung (113) eine Ausrückkurbel (210) enthält, die an einem ihrer Enden, erstes Ende (210a) genannt, um eine zur Erstreckungsachse der Spannwelle (300) im Wesentlichen parallele Achse schwenkbar gelagert ist und an ihrem anderen Ende, zweites Ende (210b) genannt, einen Anschlag, Ausrückanschlag (211) genannt, enthält.
  4. Mechanismus nach Anspruch 3, wobei der Mechanismus ferner einen Ausrückhebel (214) enthält, der an einem seiner Enden, erstes Ende (214a) genannt, schwenkbar gelagert und dazu bestimmt ist, die Ausrückkurbel (210) zu verschwenken, wenn sich der Hebel (214) verschwenkt, wobei der Ausrückhebel (214) ferner so angeordnet ist, dass die Drehung des Schließrades (109) ein Verschwenken des Ausrückhebels (210) bewirkt, wobei vorteilhaft ein Verbindungsarm (212) den Ausrückhebel (214) und die Ausrückkurbel (210) mechanisch miteinander verbindet.
  5. Mechanismus nach Anspruch 4, wobei während der durch die Drehung des Schließrades (109) erzeugbaren Verschwenkung der Ausrückkurbel (210) zum Schließen der Stromabschaltvorrichtung der Ausrückanschlag (211) eine Kraft auf die Eingriffsklinke (213) ausübt, so dass letztere von ihrer ersten Position in ihre zweite Position übergeht.
  6. Mechanismus nach Anspruch 5, wobei die Ausrückeinrichtung (113) so angeordnet ist, dass ihr Übergang von ihrer ersten Position in ihre zweite Position gleichzeitig mit dem Schließen der Stromabschaltvorrichtung endet.
  7. Mechanismus nach Anspruch 6, wobei die Ausrückeinrichtung so angeordnet ist, dass ihr Übergang von ihrer ersten Position in ihre zweite Position nach dem Beginn des Schließens der Stromabschaltvorrichtung beginnt.
  8. Mechanismus nach einem der Ansprüche 5 bis 7, wobei der Spannhebel (111) eine Hauptwelle (111a), die in Verlängerung der Spannwelle (300) angeordnet ist, und einen seitlichen Vorsprung (111b) aufweist, der mit einem Zapfen, Eingriffszapfen (111c) genannt, abschließt, der sich in einer Richtung im Wesentlichen parallel zur Erstreckungsrichtung der Hauptwelle erstreckt.
  9. Mechanismus nach Anspruch 8, wobei die Eingriffsklinke (213) an einem ihrer Enden um eine Schwenkachse schwenkbar an dem Spannrad (107) gelagert ist, wobei die Schwenkachse im Wesentlichen parallel zur Erstreckungsrichtung der Spannwelle (300) verläuft, und die Eingriffsklinke (213) ferner einen Haken aufweist, Eingriffshaken (213b) genannt, an dem der Eingriffszapfen die Kraft der Eingriffsklinke überträgt, um das Spannrad (107) während der Spannphase drehend anzutreiben.
  10. Mechanismus nach Anspruch 8 oder 9, wobei die Eingriffsklinke (213) auch einen zweiten Haken, Anschlaghaken (213d) genannt, aufweist, an dem der Anschlag der Ausrückkurbel anschlagen soll.
  11. Mechanismus nach einem der Ansprüche 1 bis 10, wobei der Spannhebel ein motorisierter Hebel ist.
  12. Stromabschaltvorrichtung mit dem Mechanismus nach einem der Ansprüche 1 bis 11.
  13. Elektrisches Schaltgerät mit zumindest einer Stromabschaltvorrichtung nach Anspruch 12 zum Öffnen und Schließen zumindest eines Kontakts des elektrischen Schaltgeräts.
EP19210231.7A 2018-11-26 2019-11-20 Betätigungsmechanismus zum öffnen und schliessen einer stromunterbrechungsvorrichtung für einen elektrichen schalter Active EP3657522B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1871854A FR3089049B1 (fr) 2018-11-26 2018-11-26 Mécanisme pour la commande de fermeture et d’ouverture d’un dispositif de coupure de courant pour appareil électrique interrupteur

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EP3657522A1 EP3657522A1 (de) 2020-05-27
EP3657522B1 true EP3657522B1 (de) 2021-04-07

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EP (1) EP3657522B1 (de)
CN (1) CN111223692B (de)
FR (1) FR3089049B1 (de)

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FR2865572B1 (fr) * 2004-01-23 2006-05-26 Alstom T & D Sa Dispositif de commande de dispositif de coupure d'energie electrique
FR2921196B1 (fr) * 2007-09-18 2009-12-11 Schneider Electric Ind Sas Dispositif de commande de l'ouverture et/ou de la fermeture des contacts electriques dans un appareil electrique et appareil electrique comportant un tel dispositif
FR2925210B1 (fr) * 2007-12-17 2010-01-15 Areva T&D Ag Commande compacte pour appareillage electrique moyennes et hautes tensions
EP2172957B1 (de) * 2008-10-03 2015-11-25 Schneider Electric Industries SAS Kompakter Schutzschaltermechanismus
FR2938692B1 (fr) * 2008-11-20 2010-12-24 Areva T & D Sa Commande d'appareillage electrique haute ou moyenne tension a mecanisme a double accrochage ameliore et procede d'armement associe.
FR2940850B1 (fr) * 2009-01-05 2011-02-11 Areva T & D Sa Mecanisme a accrochage d'une commande d'appareillage a haute ou moyenne tension a compacite et cout ameliores
FR2990051B1 (fr) * 2012-04-25 2014-05-30 Alstom Technology Ltd Commande de type a ressort(s) d'un interrupteur a haute ou moyenne tension munie d'un dispositif d'accouplement a roue libre a cliquet

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CN111223692B (zh) 2023-07-18
CN111223692A (zh) 2020-06-02
FR3089049A1 (fr) 2020-05-29
EP3657522A1 (de) 2020-05-27
FR3089049B1 (fr) 2020-11-06

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