EP2062277B1 - Einrichtung zur steuerung eines elektrischen geräts - Google Patents

Einrichtung zur steuerung eines elektrischen geräts Download PDF

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Publication number
EP2062277B1
EP2062277B1 EP07821388A EP07821388A EP2062277B1 EP 2062277 B1 EP2062277 B1 EP 2062277B1 EP 07821388 A EP07821388 A EP 07821388A EP 07821388 A EP07821388 A EP 07821388A EP 2062277 B1 EP2062277 B1 EP 2062277B1
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EP
European Patent Office
Prior art keywords
abutment
moving
point
output member
moving contact
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.)
Active
Application number
EP07821388A
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English (en)
French (fr)
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EP2062277A1 (de
Inventor
Jean-Pierre Dupraz
Michel Collet
Olivier Grejon
Xavier Allaire
Georges Doummar
Philippe Manin
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.)
Grid Solutions SAS
Original Assignee
Areva T&D SAS
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Publication of EP2062277A1 publication Critical patent/EP2062277A1/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
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
    • 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
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/40—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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H01H71/70—Power reset mechanisms actuated by electric motor

Definitions

  • the present invention relates to a control device of an electrical apparatus comprising a movable contact adapted to occupy a closed position and an open position.
  • circuit-breaker By electrical equipment, it is here understood generally a circuit breaker, a disconnector, or a device for grounding. Also included are devices combining these various functions, such as circuit-breakers.
  • the object of the invention is therefore to propose a control device of simple and reliable design for electrical equipment, preferably of medium or high voltage type.
  • the principle of the invention is therefore based on a design that makes it possible to successively carry out three distinct phases called the opening phase of the moving contact, the resetting phase of the opening spring, and the closing phase of the moving contact, between instant when the mobile contact leaves closed position and the moment when he returns after having occupied his open position.
  • the opening phase of the moving contact the resetting phase of the opening spring
  • the closing phase of the moving contact between instant when the mobile contact leaves closed position and the moment when he returns after having occupied his open position.
  • the implementation of the opening phase is extremely reliable because it does not advantageously require starting of the electric motor, but can instead be performed automatically by a simple release of energy spring as soon as the locking means of the movable contact in the closed position have been deactivated.
  • the resetting phase of the spring does not cause any displacement of the output member nor therefore displacement of the movable contact, which then remains in its open position, preferably without the aid of any locking means but simply by the design and geometry specific to the device ordered.
  • This phase has the sole purpose of storing energy at the opening spring, before the contact begins its closing phase during which it is moved to its closed position. Therefore, it should be understood that the design proposed by the invention advantageously allows to obtain a stroke of this contact which is fully optimized, since it does not go beyond that just necessary to connect the open positions and closed of the moving contact.
  • the closing stroke of the movable contact is perfectly controlled, since it is achieved by starting the motor, and it does not engender either constraint of the opening spring. which has already been sufficiently rearmed so that it can subsequently ensure the opening phase alone.
  • the power required to move the moving contact at the desired speed to its closed position is less important than that required with the achievements of the prior art, so that the engine used can consequently be smaller power, and therefore less expensive.
  • control device is designed so that during the closing phase of the movable contact leading to a displacement of the connecting end of the moving contact from point P2 to point P1, the energy stored in the mechanical spring only varies not, that is to say that the latter does not release or store energy during this phase.
  • this device could be designed so that the opening spring fulfills a role of brake at the end of the closing phase of the movable contact, by putting in stress of this spring resulting from the displacement of the output member.
  • an auxiliary spring can be provided to perform this function, possibly in combination with the opening spring.
  • a low stress of the opening spring can also be provided at the end of the closing phase of the movable contact, to allow a slight movement of the movable stop member for releasing the latter from a retaining system in the rearmed position.
  • the device is designed so that the opening phase of the movable contact, leading to a displacement of the connecting end of the movable contact from the point P1 to the point P2, is achieved solely under the effect of the mechanical spring , so as to obtain a very high reliability.
  • the opening phase of the movable contact could be carried out using an auxiliary spring damping end of closing stroke of the output member, without departing from the scope of the invention.
  • the device further comprises first transmission means interposed between said at least one motor and the movable element of stop, said first transmission means comprising at least one transmission assembly provided with a drive stop adapted to be moved along a closed line, the latter having an active portion along which the stop of The drive is capable of driving a follower abutment fixedly attached to the movable abutment member for the purpose of moving the latter from a relaxed position to a rearmed position, and a passive portion along which the driving abutment no longer acting on its associated follower abutment allows passage of the movable abutment element from the rearmed position to the relaxed position.
  • the advantage resulting from such a configuration lies in the fact that during the opening phase of the moving contact, the first transmission means do not create any antagonistic inertial force opposing the movement of the mobile element driving by abutment. the output member in its open position.
  • This transmission assembly further comprises a chain or a belt carrying the drive abutment and following the closed line, this chain or belt being arranged between two wheels, at least one of which is rotated by the at least one motor.
  • the transmission assembly further includes a drive stop support track wedged by the drive stop carried by the chain or belt.
  • the drive stop support track comprises a recess in which the driving stop rotatably mounted on the chain or belt is intended to retract automatically by rotation, when the drive stop leaves the active portion of the closed line. It can then be provided that the control device is designed so that the automatic retraction of the driving abutment into the recess is achieved by pressing the follower stop on the drive abutment, tending to rotate the latter around its axis of rotation relative to the chain or belt.
  • the follower stop is arranged at the end of a rod, the other end is secured to the movable abutment member.
  • two transmission assemblies cooperating respectively with two rods secured to the movable abutment element are preferably provided, these two rods being able to be placed on either side of the output member.
  • these rods are arranged parallel to the translation direction of the output member relative to the fixed frame, and therefore parallel to the output member preferably taking the form of a connecting rod.
  • control device further comprises second transmission means interposed between said at least one motor and the output member, the second transmission means comprising at least one transmission assembly provided with a driving abutment. intended to be moved along a closed line, the latter having an active portion along which the driving abutment is capable of driving a follower abutment fixedly attached to the output member for the purpose of bring it from the open position to the closed position; and a passive portion along which the drive stop acting no longer on its associated follower stop allows a passage of the output member from the closed position to the open position.
  • the advantage resulting from such a configuration lies in the fact that during the opening phase of the movable contact, the second transmission means do not create any antagonistic inertial force opposing the movement of the organ. exit heading towards its open position.
  • the transmission assembly further comprises a chain or a belt carrying the driving abutment and following the closed line, the chain or belt being arranged between two wheels, at least one of which is rotated by said wheel. least one engine.
  • the transmission assembly of the second transmission means further comprises a stop support track driven by the drive stop carried by the chain or belt.
  • the drive abutment support track comprises a recess in which the drive abutment mounted to rotate freely on the chain or belt is intended to retract automatically by rotation, when the drive abutment leaves the active portion of the closed line.
  • control device is designed so that the automatic retraction of the drive stop in the recess is made by pressing the follower stop on the drive stop, tending to rotate this last around its axis of rotation relative to the chain or belt.
  • a single drive abutment reported on a chain, for example a double chain, and a single stop follower on the output member, as a reported axis passing through the output member and creating two sockets respectively disposed on each side of the output member.
  • the drive abutment may then be in the form of two flanks between which the output member may be inserted during the closing phase, the two flanks being intended to abut respectively on the two mentioned above.
  • the first and second transmission means are therefore driven by said at least one engine, which is preferably constituted by a single motor.
  • this single motor preferably constituted by a servomotor in order to have good control of the closing phase of the movable contact
  • this single motor preferably constituted by a servomotor in order to have good control of the closing phase of the movable contact
  • the drive stops of the first transmission means associated with the movable abutment element and the drive abutment of the second transmission means associated with the output member are moved in a synchronized manner. , according to a determined phase shift allowing the successive realization of the three distinct phases of opening of the movable contact, resetting of the mechanical opening spring, and closure of the movable contact.
  • the motor or servomotor control is of the variable frequency pulse width modulation type, so that that between two successive control pulses, the energy is transferred from the source to the motor during a first period corresponding to a driving phase, then from the motor to the source for a second duration corresponding to a braking phase, the relative duration two phases to adjust the motor force.
  • the position of the moving contact is preferably enslaved during the closing phase, with respect to a setpoint in the form of a mathematical function of time.
  • the speed of the moving contact is also preferably slaved during the closing phase, with respect to a set point in the form of a mathematical function of time, just as the acceleration of the moving contact is enslaved. during this closing phase, also with respect to a setpoint in the form of a mathematical function of time.
  • control device comprises a retaining system in the reset position of the movable abutment member, and a holding system in the closed position of the output member.
  • the device can be designed so that the system for holding in the reset position of the movable abutment element and the holding system in the closed position of the output member are deactivated. substantially simultaneously, during an initiation of the opening phase of the movable contact.
  • the translation assembly of the output member relative to the fixed frame implies that the control device delivers a linear output movement in the direction of the movable contact.
  • the movable abutment member is slidably mounted relative to the output member passing through the same movable abutment member, in a direction of sliding identical to the direction of translation of the output member by compared to the fixed frame.
  • the mechanical opening spring is arranged around the output member.
  • control device further comprises an auxiliary mechanical spring damping end of closing stroke of the output member, as has been mentioned above.
  • the device is furthermore provided with an auxiliary mechanical spring for opening end-of-travel damping. of the output member.
  • the energy stored by the latter auxiliary spring at the end of the opening phase can be released in good time to facilitate the initiation of the subsequent closing phase, which is essentially performed using the servomotor .
  • the invention also relates to an electrical apparatus comprising a movable contact capable of occupying a closed position and an open position, this apparatus comprising a control device such as that described above.
  • FIG. 1a schematizing the principle of the invention, it is possible to see very schematically a control device 1 at different stages during a control cycle starting from a moment when the mobile contact (not shown), which it is supposed to drive , occupies his closed position, and continues until he finds the same position after having occupied his open position.
  • the figure 1a represents both the initial position and the end position of the cycle, the figures then reading cyclically in the order 1a, 1b, 1c, 1a, etc.
  • This control device 1 is effectively intended to equip an electrical equipment comprising a movable contact capable of occupying a closed position and an open position, such as for example a circuit breaker, a disconnector, or a device for grounding. It is noted that this apparatus is also an object of the present invention.
  • the device 1 comprises first of all an output member 2 taking for example the shape a bar / connecting rod intended to slide / translate according to its own axis 3, relative to a fixed frame 4.
  • This member 2 has a connecting end of the movable contact 2a, or upper end, and an end stopper 2b, or lower end.
  • the end 2a which is indifferently connected directly or indirectly to the moving contact of the apparatus, is therefore capable of being moved back and forth according to the 3 axis of the member 2, which allows it to deliver a linear output movement towards the moving contact, as shown schematically by the double-arrow 6, the direction 6a corresponding to that of the closure of the movable contact , and the direction 6b corresponding to that of the opening of the latter.
  • the double-arrow 6 corresponds to the direction of translation of the output member 2 with respect to the frame 4.
  • the device 1 comprises a motor 8 of the servomotor type, and a mechanical opening spring 12 which may optionally be replaced by a plurality of springs, this spring 12 being housed between an element 10 fixed to the frame 4 and a movable abutment member 11, offset from the fixed member 10 in the opening direction 6b.
  • first transmission means 14 are interposed between the motor 8 and the movable abutment element 11, as well as second transmission means 16 are interposed between the motor 8 and the output member 2. More specifically, the first transmission means 14 cooperate with two rods 18 parallel to the direction 6 and slidably traversing the fixed element 10, these two rods arranged on either side of the output member 2 each having a lower end attached fixedly to the movable abutment element 11.
  • the spring 12 is a spring operating in compression, with an upper end pressed against the fixed element 10 of the device 1, and a lower end pressed against the movable abutment element 11.
  • the output member of the rod 2 type is in a closed position for placing its end 2a in a position such that it ensures the movable contact to occupy its closed position. It is recalled that the output member is held firmly in this closed position by a holding system (not shown) which will be described later by way of example, but which can take any form known to those skilled in the art.
  • the member 2 In this closed position, the member 2 is of course parallel to the direction 6, and its connection end of the movable contact 2a occupies a point P1 of the axis 3 in which it is able to translate relative to the frame 4. Furthermore, still in this closed position, the mechanical spring 12 is compressed to the maximum between the elements 10 and 11, the movable element 11 being retained in the direction opening 6b by the lower end 2b of the output member 2 abutting against the same movable member 11. To do this, it is naturally made so that the output member 2 slidably traverses the movable abutment member 11, always in the direction 6.
  • the movable abutment element 11 occupies for its part a so-called rearmed position placing it at a point P'1 of the axis 3 according to which it is also able to translate relative to the frame 4, as well as relative to the output member 2. It is noted that this element 11 can take the form of a plate substantially orthogonal to the axis 3 above.
  • the movable element 11 can be retained in the opening direction 6b by a rearranged position holding system (not shown) associated with it, possibly in combination with the abutment provided by the lower end. 2b of the output member 2.
  • a rearranged position holding system (not shown) associated with it, possibly in combination with the abutment provided by the lower end. 2b of the output member 2.
  • an alternative that will be described below provides that when the output member occupies its closed position, the movable member 11 is retained in the opening direction 6b only by the abutment provided by the lower end 2b of this organ.
  • the system for holding the output member in the closed position, and possibly the system for holding in the reset position of the movable abutment member if a such system has been planned and has not been disabled yet, are each disabled.
  • the opening phase is completed when the moving contact has reached its open position, in which it is preferably maintained simply by the specific design and geometry of the control device, and therefore without the use of a specific holding system, although this can be provided without departing from the scope of the invention.
  • the stroke of the parts 11 and 2 along the axis 3, generated by the spring 12, is stopped by a damping device 20, or by an auxiliary mechanical spring damping end of stroke opening of the output member.
  • the output member 2 can in fact be maintained in its open position with the aid of a specific holding system (not shown), thereby keeping the auxiliary spring in its constrained state.
  • the energy stored by this auxiliary spring at the end of the opening phase can then be subsequently released to facilitate the initiation of the subsequent closing phase, which is essentially carried out using the motor 8, as will be described below.
  • the output member 2 then occupies an open position as shown on the figure 1b , in which the connecting end 2a is positioned at a point P2 of the axis 3, and wherein the movable abutment member 11 occupies a so-called relaxed position placing it at a point P'2 of axis 3.
  • this opening phase is performed solely under the effect of the mechanical spring 12, and possibly under the effect of other springs such that an auxiliary mechanical spring (not shown) for end-of-travel closure damping of the output member, but preferably without intervention of the motor 8.
  • an auxiliary mechanical spring (not shown) for end-of-travel closure damping of the output member, but preferably without intervention of the motor 8.
  • the electrical equipment used for the protection of the transport and distribution of electrical energy must be able to function even in case of failure of auxiliary power sources.
  • the output member 2 remains in a position ensuring that the movable contact maintains its open position, as shown in FIG. figure 1c .
  • the movable abutment element moves in the direction 6a between the points P'2 and P'1 of the axis 3 by biasing the spring 12, while the end connection of the movable contact 2a remains positioned at the point P2.
  • the rods 18 are effectively driven in translation in the closing direction 6a relative to the fixed element 10 through which they pass through the transmission means 14, which pushes the movable element 11 to approach the fixed element 10 and thus to store energy to the mechanical spring opening 12, by compression thereof.
  • the holding system in the open position of the output member if such a system is actually provided, is deactivated, and a contact closure phase mobile is initiated by the device 1, by the start of the motor 8.
  • the motor 8 ensures through the second transmission means 16 a setting in motion of the output member 2 in the closing direction 6a , relative to the movable element 11 remaining stationary relative to the fixed frame 4, and relative to the same fixed frame 4.
  • this phase is performed only with the energy transmitted by the motor 8, and no energy from the spring 12.
  • the mechanical spring 12 does not store additional energy, since the previous rearming phase of it has allowed it to store enough energy to be able to ensure a subsequent phase of opening the movable contact.
  • a low stress of the opening spring 12 may optionally be provided at the end of the closing phase of the movable contact, to allow a slight movement of the movable abutment element 11 allowing the latter to be released from the holding system in the reset position.
  • this device is designed so that the spring 12 fulfills a braking function in the end phase of closure of the movable contact, by a compression of this spring to slow the speed of displacement of the connecting end 2a, and that of the entire output member 2 arriving close to its position of closure shown on the figure 1a .
  • the movable abutment element 11 compressing the spring 12 can remain stationary, ensuring an unchanged spacing between the fixed element 10 and this movable element 11.
  • control device 1 With reference jointly to Figures 2 to 4 the control device 1 according to a preferred embodiment of the present invention can be seen in a configuration for placing the movable contact in the closed position.
  • the damper 20 comprises a rod 22 slidably fitting within a damper body, the lower end of the member 2 being provided for come into contact with the rod 22.
  • the rod 22 is arranged in the direction of translation 6.
  • the output member 2, having the connecting end 2a at the point P1 takes the form of a rod guided in this same direction 6 in that it slides in the fixed element 10.
  • the control device 1 comprises an auxiliary mechanical spring 26 of end-of-travel closure damping of the output member 2.
  • This spring 26 is located around the member 2, within the space delimited internally by the opening spring 12 of larger dimensions. Its upper end is in abutment against the fixed element 10, while its lower end, in the mobile contact configuration in the closed position, bears against a stop 28 provided on the member 2 in view of its depreciation.
  • this end-of-stroke damping stop 28 is intended to come into contact with the lower end of the auxiliary spring 26 at the end of the closing phase, which has the consequence of compressing this spring and therefore of it. store stored energy until a new opening order has been received.
  • the motor 8 is coupled to a gear unit 30 connecting it to a drive shaft 32.
  • this motor 8 is coupled in a manner known to those skilled in the art to a capacitor bank suitably loaded.
  • the device comprises a holding system 34 cooperating with a locking abutment 36 provided on an upper part of this member.
  • the system 34 comprises a pawl 38 held in abutment against the stop 36, thus preventing a displacement in the opening direction 6b of the member 2 relative to the frame 4, on which the pawl 38 is freely articulated according to an axis 42.
  • a blocking piece 40 which is capable of retract and release the pawl 38, for example using a coil following an electrical order.
  • the bearing face of the locking abutment 36 has a certain angle with respect to the axis 3 of the output member 2, making it possible, when the locking piece 40 is retracted, to generate a force, via the spring 12, which tends to push the pawl 38 in a direction allowing the latter to disengage from the same locking abutment 36.
  • the figure 4 also shows a resetting system 46 of the movable abutment element 11, intended to cooperate with the element 11, the system 46 being in a deactivated state when the movable contact is in its closed position, as will be explained below.
  • a support pawl 48 articulated along an axis 50 on the frame 4 and held in the retracted position by spring-type return means (not shown ).
  • this support pawl 48 there is provided a locking pawl 52 capable of cooperating with the movable member 11 or an extension thereof, this locking pawl 52 being hinged to the frame 4 along an axis 54 and kept in the extracted locking position, by means of spring-type return means (not shown).
  • the system 46 also comprises a tilting pawl 56 mounted in an articulated manner on the body mobile 11 and provided to come into contact with the support pawl 48 during the reset phase, in order to tilt the pawl 48 from its retracted position to an extracted position for cooperating the locking pawl 52 with the movable member 11, as will be described later.
  • the movable abutment element 11 is effectively maintained in its rearm position in which it is located at the point P'1 of the axis 3, but preferably without the aid of the holding system in position 46 which is then inoperative.
  • first and second transmission means 14, 16 each having one or two substantially identical transmission assemblies.
  • first transmission means 14 comprise two transmission assemblies 58 arranged on either side of the output member 2 in front view
  • second transmission means 16 preferably comprise a single transmission assembly 60 disposed facing the output member 2 in side view.
  • these three transmission assemblies 58, 60 are driven by the same drive shaft 32, and are moreover arranged superimposed in the direction of the same shaft, as is clearly visible on the Figures 2 to 4 .
  • the assembly 58 comprises a chain 62 shown only partially stretched between two notched wheels 64, 66, one of which is driven by the shaft 32, and the other mounted on a free shaft 69 also cooperating with the other sets 58, 60.
  • the shaft 69 could also be driven by the motor 8, without departing from the scope of the invention.
  • a driving abutment 68 or bucket, intended to be moved along a closed line 70 shown in dashed line, this line 70 being preferentially defined by the path of the chain 62.
  • the driving abutment 68 is mounted on the chain 62, preferably freely articulated along an axis 72 parallel to the connecting pins of the chain links.
  • the abutment support track 74 is defined by a body 82 fixed relative to the frame, and substantially follows the closed line 70 being shifted therefrom outwardly or inwardly as shown in FIG. figure 6 , except at a judiciously localized portion where the track 74 has a recess 84, in which the driving abutment 68 is intended to retract automatically by rotation, as will be described below.
  • the closed line 70 has a so-called active portion along which the driving abutment is intended to drive its associated follower abutment 80 fixedly attached to the movable abutment element 11 in order to bring it into line. position relaxed to the rearmed position as will be described later, and a so-called passive portion along which the drive stopper 68 does not act on its associated tracking stop 80 allows a passage of the movable stop element 11 from the rearmed position to the relaxed position.
  • the drive stop 68 moves to the output of the portion passive referenced schematically by the reference 92, namely just near the junction with the active portion referenced schematically by the reference 90. In this position, and more generally throughout the passive portion, it creates no obstacle to the implementation moving the movable stop member 11 from the reset position to the relaxed position, insofar as it is not in the path of the follower stop 80.
  • stop 68 of this assembly 58 and the driving abutment of the other set of first transmission means 14 are intended to be displaced in phase with each other.
  • the assembly 60 is identical or similar to the assembly 58, in that it comprises a chain 96 represented only partially, for example a double chain defining two parallel paths arranged on either side of the body output 2 in front view, said chain being tensioned between two notched wheels 98, 100, one of which is driven by the shaft 32, and the other mounted on the free shaft 69.
  • a driving abutment 102 or bucket is provided, intended to be moved along a closed line 104 shown in dashed lines, this line 104 being preferably defined by the path of the chain 96.
  • the abutment The drive 102 is mounted on the double chain 96, preferably freely articulated along an axis 106 parallel to the connecting pins of the chain links.
  • the abutment support track 108 is defined by a fixed body 112 relative to the frame, and substantially follows the closed line 104 being able to be shifted therefrom towards outside or towards inside as shown on the figure 7 , except at a judiciously localized portion where the track 108 has a recess 114, wherein the drive stop 102 is intended to retract automatically by rotation, as will be described below.
  • the closed line 104 has a so-called active portion along which the driving abutment 102 is intended to drive its associated follower stop 110 fixedly attached to the member 2 in order to bring it from the open position to the closed position as will be described later, and a so-called passive portion along which the drive stop 102 does not act on its associated follower stop 110 allows a passage of the member 2 from the closed position to the open position.
  • the drive stop 102 is within the passive portion referenced schematically by the reference 116, namely at a distance from the active portion referenced schematically by the reference 118. In this position, and more generally throughout the passive portion, it does not create any obstacle to the setting in motion of the organ of output 2 from the closed position to the open position, insofar as it is not in the path of the follower stop 80.
  • the active portion 116 is preferably constituted by a line segment parallel to the translation direction 6.
  • the stop 102 of this assembly 60 and the driving abutment of the other set of second transmission means 16 are intended to be displaced in phase with each other.
  • the driving abutments 68, 102 are displaced due to the rotation of the same shaft 32 while being permanently synchronized, according to a determined phase shift allowing the successive realization of the three distinct phases of opening of the movable contact, resetting of the mechanical spring opening, and closing the movable contact.
  • the drive stops 68 are in advance with respect to the drive stops 102, according to the direction of the chain movement 94.
  • the holding system in the closed position 34 of the output member 2 is deactivated, for example following an electrical order ensuring the retraction of the part
  • the bearing face of the locking abutment 36 then makes it possible to exert, via the force generated by the springs 12 and 26 expanding, a force which tends to push the pawl 38 in one direction. allowing the latter to disengage from the locking stop 36.
  • the opening phase is completed when the movable contact has reached its open position, in which the lower end 2b of the output member 2 rests against the damping device 20, as shown in FIG. figure 8 .
  • the output member 2 then occupies the open position in which its connecting end 2a is positioned at the point P2 of the axis 3, and in which the movable abutment element 11 occupies itself in the relaxed position placing it at the point P'2 of axis 3.
  • this opening phase is performed solely under the effect of the aforementioned mechanical springs, that is to say without the intervention of the 8.
  • the driving abutments 68, 102 have not been displaced relative to the respective positions they occupied before the initiation of the opening phase.
  • the follower stop 80 provided on the upper end of the rod 18 has obviously been moved in the opening direction 6b to approach the stop of associated drive 68, for example to be in contact with it or close to it.
  • the follower stop 110 provided on the output member 2 has also been moved in the opening direction 6b by a stroke corresponding to the distance P1P2 or P'1P'2 along the axis 3.
  • a resetting phase of the spring 12 having previously released its energy.
  • This rearming phase is carried out using the motor 8, ensuring via the first transmission means 14 a setting in motion of the movable element 11 in the closing direction 6a, with respect to the output member 2 remaining meanwhile stationary vis-à-vis the fixed frame 4. Indeed, the output member 2 remains in a position ensuring that the movable contact keeps its open position, as shown in the figure 11 on which it can be seen that the lower abutment end 2b maintains contact with the damping device 20.
  • each driving abutment 68 may be in the form of two flanks between which the associated rod 18 may be inserted during this rearming phase, as it appears on the figure 11 .
  • the drive stops 102 are naturally also displaced along the passive portion 116 of their respective closed lines 104, without ever causing a displacement of the output member 2.
  • the drive stop 68 having its abutment face 78 in contact with the follower stop 80 places the latter in a position allowing the movable element 11 to occupy its rearmed position in which is located near point P'1. Nevertheless, the movement of the stop 68 is not stopped at this stage shown on the figure 12a , but continued in such a way as to cause this abutment 68 to retract inside the recess 84, and thus to release the follower stop 80. Indeed, the displacement of the abutment 68 takes place until the junction between the abutments 68 active 90 and passive 92 portions of the closed line 70, as shown on the figure 12b .
  • the judiciously offset support exerted by the follower stop 80 in order to cause rotation of the abutment 68 about its axis 72 therefore results from the displacement of this follower stop 80 in the opening direction 6b, but may also partly result from the continued movement of the driving abutment 68 along the passive portion 92 of the closed line 70.
  • the follower stop 80 finds, under the effect of the spring 12, its position shown on the figure 12a allowing the movable member 11 to occupy its rearmed position in which it is located near the point P'1, it is completely released from its associated drive stop 68 retracted into the recess 84, and held in this position by the system 46 as will be described below.
  • the rearming phase may be continued until the abutment 68 is significantly removed from the associated follower stop 80, as shown in FIG. figure 12d .
  • the resetting phase is performed by moving the driving abutment 68 on its active portion 90, and on a small part of the passive portion 92.
  • the drive stop 102 is preferably in contact with its stop associated follower 110, or close to the latter.
  • the driving abutment 102 is located at the junction between the passive portion 116 and the active portion 118 of the closed line 104, ready to borrow this last active portion 118 in order to initiate a moving the output member 2 to its closed position.
  • the resetting system 46 of the movable abutment element is activated, which keeps the element 11 in the rearmed position, despite the pressure exerted on the latter by the spring 12.
  • the first element of the system 46 which comes into operation is the tilt pawl 56 which establishes contact with the support pawl 48, in order to gradually tilt the pawl 48 from its retracted position to the extracted position, as shown in FIG. figure 13a .
  • the action exerted by the tilt pawl 56 on the pawl 48 in order to tilt the latter according to the axis 50, is therefore opposed to the means of reminder continuously pushing the pawl 48 to its retracted position (shown on the figure 5 ).
  • the movable member 11 when the movable member 11 is sufficiently displaced in the closing direction 6a, it makes contact with the locking pawl 52, in order to make it gradually switch from its locked position to its retracted position, as the show it figure 13b .
  • the action exerted by the mobile element 11 on the pawl 52 in order to tilt the latter along the axis 54 therefore opposes the return means permanently pushing the pawl 52 towards its extracted locking position ( shown on the figure 5 ).
  • the tilt pawl 56 continues to gradually tilt the pawl 48 from its retracted position to the extracted position.
  • the tilt pawl 56 is designed to retract when it comes into contact with the pawl support 48 during the opening phase described above, of course for the purpose of do not hinder the movement of the movable abutment member 11 to its relaxed position.
  • the member 2 is effectively driven in translation in the closing direction 6a relative to the fixed element 10 that it passes through, due to the setting in motion by the shaft 32 of the abutment. 102 driving with it the follower stop 110 along the active portion of the closed line.
  • this setting in motion of the driving abutment 102 pushes the lower end 2b of the output member to approach the movable member 11.
  • the driving abutment 102 can here be presented under the two flanks between which can be inserted the output member 2 rod-shaped during the closing phase, the two sides being abutted respectively on the two catches formed by the follower stop 110, on either side of the output device 2 as it appears on the figure 14 .
  • the drive stops 68 are naturally also displaced along the passive portion 92 of their respective closed lines 70, without ever causing a displacement of the movable element 11.
  • the judiciously offset support exerted by the follower stop 110 in order to cause rotation of the abutment 102 about its axis 106 thus results from the displacement of this follower stop 110 in the opening direction 6b, but may also result from the continued movement of the driving abutment 102 along the passive portion 116 of the closed line 104.
  • the closing phase may be continued until the stop 102 is significantly removed from the associated follower stop 110, as shown in FIG. figure 15d , namely continue to start the engine after the member 2 has reached its closed position. More specifically, the starting of the motor can be carried out until the stop 102 is displaced as shown in FIG. figure 7 , in order to place the device 1 in a good configuration to perform a subsequent opening phase, that is to say arrange the drive stops 68 at the junction between the active portions 90 and passive 92.
  • the closing phase is performed by moving the driving abutment 102 on its active portion 118, and on a portion of the passive portion 116 along which the motor does not oppose any spring return force .
  • the driving abutment 68 is preferably in contact with its stop associated follower 80, or close to the latter.
  • the drive stop 68 is ready to borrow its active portion 90 in order to initiate a subsequent movement of the movable abutment element 11 towards its rearmed position.
  • the reset hold system 46 is designed to automatically turn off when the closing phase is completed.
  • the locking pawl 52 holds the movable member 11 in the reset position at the point P'1 (not shown) until the low end 2b has not come into contact with this movable element 11.
  • the closing stroke of the output member 2 is effectively determined so that its lower end 2b can, at the end of the stroke, carry with it by abutment the movable member 11 over a short distance, in order to release it from 46.
  • FIG. figure 15b shows the holding system in its configuration as adopted when the follower stop 110 has reached its highest point in the closing direction 6a, i.e. as shown in FIG. figure 15b it can be seen that the movable element 11 has been displaced by a sufficiently large stop to release the locking pawl 52 of the same element 11, and on the other hand to release the support pawl 48 of the pawl of tilting 56, this support pawl 48 having found its retracted position thanks to the action of the return means associated with it.
  • the connecting end 2a is slightly beyond the point P1 which it has exceeded, just as the movable element 11 is slightly beyond the point P'1 which it has also passed, because of his training by the low end 2b.
  • the locking system 46 is in a so-called deactivated state insofar as its locking pawl 52 is no longer capable of constituting a stop for the movable element 11, the latter being only retained in the opening direction. 6b using the low end 2b, as clearly visible on the figure 16b .
  • the system for holding in the reset position of the movable abutment element is of identical or similar design to that of the retention system in the closed position of the output member described above, its deactivation is not then performed by coil following an electrical order, but for example by a mechanical part integral with the holding system in the closed position of the output member, and capable of mechanically ensuring the release of the pawl during the order of opening of the movable contact thus simultaneously causing the deactivation of the holding system in the closed position.
  • the system for holding in the reset position of the movable abutment element is of identical or similar design to that of the holding system in the closed position of the output member described herein.
  • its deactivation then taking place by coil following an electrical command issued at the same time as the order of opening of the movable contact simultaneously causing the deactivation of the holding system in the closed position.
  • the coils are then arranged in series in order to obtain a simultaneous deactivation.
  • the coils are arranged in a circuit so that for a single opening order issued, the coil for deactivating the holding in the reset position of the movable abutment member acts an instant before the coil for deactivating the holding in the closed position of the output member.
  • control device 1 comprising a rearm position holding system 46 of the movable abutment element 11, according to an even more preferred embodiment of the present invention.
  • the system 46 only partially represented comprises two similar entities 73 each cooperating respectively with one of the two rods 18, to maintain it with respect to the fixed element 10 when the movable abutment element 11 is in the rearmed position . It is one of these two entities 73 which has been schematically represented on the figure 18 in the reset position of the movable member 11 (not shown).
  • each entity 73 comprises a pawl 39 articulated along an axis 43 on the frame 4, and more specifically on an extension 75 of the fixed element 10, extending downwards relative thereto.
  • the pawl 39 is held in abutment against a locking stop 37 articulated along an axis 77 on its associated rod 18, thus preventing a movement in the direction opening 6b of the rod 18 and therefore of the element 11 relative to the frame 4.
  • the lower end of the stop 37 is in fact against a roller 79 carried by the ratchet 39, this roller 79 being mounted along an axis 81 parallel to the axes 43 and 77 above.
  • a locking piece 41 To lock the pawl 39 in the position shown in the figures, it is first provided a locking piece 41, the two locking pieces 41 intended to equip respectively the two entities 73 being fixedly mounted with each other by means of a shaft 83 at the ends of which these parts 41 are rigidly supported.
  • the shaft 83 is articulated at its two ends on the two frame extensions 75, as can be seen on the figure 17 .
  • Each piece 41 then has a first extension 85 bearing against one end of the pawl 39 opposite the end by which it is articulated along the axis 43.
  • a lever 47 articulated relative to the fixed member 10 along an axis 45 and retained in the holding position activated by a spring 87 as visible on the figure 18 , a holding position in which a low end 89 of this lever 47 bears against a second extension 91 of the locking piece 41.
  • the lever 47 is moved automatically and releases the locking pieces 41 of the entities 73 which retract, and which in turn release the pawls 39.
  • the bearing face of the blocking stop 37 has a certain angle with respect to the axis of the rods 18, generating a force 101 via the spring 12 which makes it possible, during the movement of the lever 47, to push the pawl 39 which is able to push the piece block 41 released by the lever 47 at its second extension 91.
  • the part 41 subjected to the force 103 by the pawl 39 can be released from the lever 47, while the pawl 39 can be released from the piece of blocking 41 articulated relative to the frame along an axis 93 parallel to the axis 45 and to the other aforementioned axes.
  • the first element of the system 46 which comes into operation are the stops of blocking 37, which gradually establish contact with the pawls 39 during their ascent.
  • Each stop 37 held in the extracted position by a spring 95 then folds down towards the axis of the rod 18 on which it is articulated, that is to say in the clockwise direction as seen in FIG. figure 18 this drawdown thus resulting from the resting force of the roller 79 of the pawl 39 against the corresponding blocking stop 37, opposing the force of the spring 95.
  • the driving abutment 68 retracts and releases the follower stop 80, and therefore the rod 18.
  • the movable abutment element 11, pushed by the spring 12, and the rods 18, descend to the stable support stops 37 on the roller 79 ratchets 39.
  • the abutment 37 pushes the pawl 39 towards the first extension 85 of the locking piece 41, which in turn sees its second extension 91 pushed towards the lever 47, which itself is pressed onto a fixed abutment 105 of the frame 4 by the spring 87.
  • the reset position holding system 46 is designed to be automatically deactivated at the end of the closing phase described above, but preferably after the output member 2 has reached its end. closing position.
  • the action of the special link 49 of the chain 62 on the lever 47 is synchronized just after the retraction of the driving abutment 102, that is to say its entry into the passive portion 116, as visible on the figure 15c .
  • the motor has to provide this effort to move the lever 47, even if it is weak, only after having finished its task of putting the output member 2 in the closed position.
  • the motor therefore never acts on the two springs 12 and 26 simultaneously, which advantageously makes it possible to optimize it.
  • the synchronization between the special link 49 and the driving abutment 102 is possible because the chains 62 and 96 of the first and second drive means are intended to move in phase with each other.
  • the movable stop element 11 of the spring moves slightly in the direction 6b moved by the spring 12 until it comes into contact with the lower end 2b of the output member 2, which is very close at that time. Since the driving abutment 102 is already in the passive portion, the locking abutment 36 fixed to the output member 2 has passed the holding system 34, and the output member 2 therefore stops at its stable position. where its upper end 2a is at point P1. The movable abutment member 11 remains in the position P'1 rearmed or close thereto, although the holding system 46 is disabled.
  • the closed-position holding system 34 On receipt of a new opening command, the closed-position holding system 34 is deactivated, and the springs 12 and 26 drive the movable element 11 and the low end 2b of the output member in the opposite direction. 6b towards the opening of the movable contact.
  • the only maintenance to be released during the opening is that associated with the holding system 34 of the member 2, which allows a better operational safety.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Transmission Devices (AREA)
  • Selective Calling Equipment (AREA)
  • Keying Circuit Devices (AREA)
  • Vending Machines For Individual Products (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Control Of Electric Motors In General (AREA)

Claims (15)

  1. Vorrichtung (1) zum Steuern einer elektrischen Einrichtung, enthaltend einen beweglichen Kontakt, der eine Schließstellung und eine Offenstellung einnehmen kann, wobei die Steuervorrichtung dazu bestimmt ist, die Verlagerung des beweglichen Kontakts zu gewährleisten und ein feststehendes Gehäuse (4) aufweist, ein Austrittsglied (2), das bezüglich des feststehenden Gehäuses verschiebbar gelagert ist und über ein Anschlussende (2a) zum Anschließen des beweglichen Kontakts verfügt, wobei die Vorrichtung ferner zumindest einen Motor (8) sowie eine mechanische Öffnungsfeder (12) aufweist, die zwischen einem am Gehäuse befestigten Teil (10) und einem beweglichen Anschlagelement (11) aufgenommen ist, wobei das Austrittsglied (2) eine Schließstellung einnehmen kann, in welcher der bewegliche Kontakt in seine Schließstellung gebracht werden kann und in welcher das Anschlussende (2a) zum Anschließen des beweglichen Kontakts bei einem Punkt P1 liegt, sowie eine Offenstellung, in welcher der bewegliche Kontakt in seine Offenstellung gebracht werden kann und in welcher das Anschlussende (2a) zum Anschließen des beweglichen Kontakts bei einem Punkt P2 liegt, der sich von P1 unterscheidet,
    dadurch gekennzeichnet, dass die Steuervorrichtung so ausgelegt ist, dass sie aufeinanderfolgend gewährleistet:
    - bei einer Öffnungsphase des beweglichen Kontakts den Übergang des Anschlussendes (2a) zum Anschließen des beweglichen Kontakts von Punkt P1 zu Punkt P2 unter der Wirkung der mechanischen Öffnungsfeder (12), wodurch das bewegliche Anschlagelement (11) bewegt wird und das Austrittsglied (2) unter Anschlag mitnimmt;
    - bei einer Beaufschlagungsphase der mechanischen Öffnungsfeder ein Bewegen des beweglichen Anschlagelements (11) unter der Wirkung einer Inbetriebnahme des zumindest einen Motors (8), während das Anschlussende zum Anschließen des beweglichen Kontakts (2a) bei Punkt P2 verbleibt; und
    - bei einer Schließphase des beweglichen Kontakts den Übergang des Anschlussendes (2a) zum Anschließen des beweglichen Kontakts von Punkt P2 zu Punkt P1 auch unter der Wirkung einer Inbetriebnahme des zumindest einen Motors (8).
  2. Steuervorrichtung (1) nach Anspruch 1, dadurch gekennzeichnet, dass es so ausgelegt ist, dass während der Schließphase des beweglichen Kontakts, die zu einer Verlagerung des Anschlussendes (2a) zum Anschließen des beweglichen Kontakts von Punkt P2 zu Punkt P1 führt, die in der mechanischen Öffnungsfeder (12) gespeicherte Energie sich nicht verändert.
  3. Steuervorrichtung (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie so ausgelegt ist, dass die Öffnungsphase des beweglichen Kontakts, die zu einer Verlagerung des Anschlussendes (2a) zum Anschließen des beweglichen Kontakts von Punkt P1 zu Punkt P2 führt, nur unter der Wirkung der mechanischen Öffnungsfeder (12) erfolgt.
  4. Steuervorrichtung (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie ferner erste Übertragungsmittel (14) aufweist, die zwischen dem zumindest einen Motor (8) und dem beweglichen Anschlagelement (11) eingesetzt sind, wobei die ersten Übertragungsmittel zumindest eine Übertragungseinheit (58) aufweisen, die mit einem Mitnehmeranschlag (68) versehen ist, welcher dazu vorgesehen ist, entlang einer geschlossenen Linie (70) verlagert zu werden, wobei letztere über einen aktiven Abschnitt (90) verfügt, entlang welchem der Mitnehmeranschlag (68) einen Nachführanschlag (80) mitnehmen kann, der fest an das bewegliche Anschlagelement (11) angebracht ist, damit dieses von einer unbeaufschlagten Stellung in eine beaufschlagte Stellung gebracht wird, sowie über einen passiven Abschnitt (92), entlang welchem der Mitnehmeranschlag (68), der nicht mehr auf seinen zugeordneten Nachführanschlag (80) einwirkt, einen Übergang des beweglichen Anschlagelements (11) von der beaufschlagten Stellung in die unbeaufschlagte Stellung gestattet.
  5. Steuervorrichtung (1) nach Anspruch 4, dadurch gekennzeichnet, dass die Übertragungseinheit (58) ferner eine Kette bzw. einen Riemen (62) aufweist, die/der den Mitnehmeranschlag (68) trägt und der geschlossenen Linie (70) folgt, wobei die Kette bzw. der Riemen (62) zwischen zwei Rädern (64, 66) angeordnet ist, von denen zumindest das eine über den zumindest einen Motor (8) drehend angetrieben wird.
  6. Steuervorrichtung (1) nach Anspruch 5, dadurch gekennzeichnet, dass die Übertragungseinheit (58) ferner eine Mitnehmeranschlagtragbahn (74) aufweist, an die der Mitnehmeranschlag (68) anliegt, der von der Kette bzw. dem Riemen (62) getragen wird.
  7. Steuervorrichtung (1) nach einem der vorangehenden Ansprüche 4 bis 6, dadurch gekennzeichnet, dass der Nachführanschlag (80) am Ende eines Stabs (18) angeordnet liegt, dessen anderes Ende fest mit dem beweglichen Anschlagelement (11) verbunden ist.
  8. Steuervorrichtung (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie ferner zweite Übertragungsmittel (16) aufweist, die zwischen dem zumindest einen Motor (8) und dem Austrittsglied (2) eingesetzt sind, wobei die zweiten Übertragungsmittel (16) zumindest eine Übertragungseinheit (60) aufweisen, die mit einem Mitnehmeranschlag (102) versehen ist, welcher dazu vorgesehen ist, entlang einer geschlossenen Linie (104) verlagert zu werden, wobei letztere über einen aktiven Abschnitt (118) verfügt, entlang welchem der Mitnehmeranschlag (102) einen Nachführanschlag (110) mitnehmen kann, der fest an das Austrittsglied (2) angebracht ist, damit dieses von der Offenstellung in die Schließstellung gebracht wird, sowie über einen passiven Abschnitt (116), entlang welchem der Mitnehmeranschlag (102), der nicht mehr auf seinen zugeordneten Nachführanschlag (110) einwirkt, einen Übergang des Austrittsglieds (2) von der Schließstellung in die Offenstellung gestattet.
  9. Steuervorrichtung (1) nach Anspruch 8, dadurch gekennzeichnet, dass die Übertragungseinheit (60) ferner eine Kette bzw. einen Riemen (96) aufweist, die/der den Mitnehmeranschlag (102) trägt und der geschlossenen Linie (104) folgt, wobei die Kette bzw. der Riemen (96) zwischen zwei Rädern (98, 100) angeordnet ist, von denen zumindest das eine über den zumindest einen Motor (8) drehend angetrieben wird.
  10. Steuervorrichtung (1) nach einem der vorangehenden Ansprüche in Kombination mit Anspruch 8, dadurch gekennzeichnet, dass die ersten und die zweiten Übertragungsmittel (14, 16) von dem zumindest einen Motor (8) angetrieben werden, wobei letzterer aus einem Einzelmotor besteht.
  11. Steuervorrichtung (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie eine Einrichtung (46) zum Halten des beweglichen Anschlagelements (11) in der beaufschlagten Stellung sowie eine Einrichtung (34) zum Halten des Austrittsglieds (2) in der Schließstellung aufweist.
  12. Steuervorrichtung (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie so ausgelegt ist, dass sie eine lineare Austrittsbewegung ausführt.
  13. Steuervorrichtung (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das bewegliche Anschlagelement (11) bezüglich des Austrittsglieds (2), das sich durch dasselbe Anschlagelement (11) erstreckt, in einer Gleitbewegungsrichtung (6) gleitbeweglich gelagert ist, die mit einer Verschieberichtung des Austrittsglieds (2) bezüglich des feststehenden Gehäuses (4) identisch ist.
  14. Elektrische Einrichtung mit einem beweglichen Kontakt, der eine Schließstellung und eine Offenstellung einnehmen kann, dadurch gekennzeichnet, dass sie eine Steuervorrichtung (1) nach einem der vorangehenden Ansprüche aufweist.
  15. Verfahren zum Steuern einer elektrischen Einrichtung, dadurch gekennzeichnet, dass es mit Hilfe einer Steuervorrichtung nach einem der Ansprüche 1 bis 13 durchgeführt wird, wobei das Verfahren die nachstehenden, aufeinanderfolgenden Schritte umfasst:
    - Öffnen des beweglichen Kontakts unter der Wirkung der mechanischen Öffnungsfeder, wodurch das bewegliche Anschlagelement bewegt wird und das Austrittsglied unter Anschlag mitnimmt, so dass eine Verlagerung des Anschlussendes zum Anschließen des beweglichen Kontakts von Punkt P1 zu Punkt P2 erreicht wird;
    - Beaufschlagen der mechanischen Öffnungsfeder unter der Wirkung einer Inbetriebnahme des zumindest einen Motors, wodurch eine Bewegung des beweglichen Anschlagelements hervorgerufen wird, während das Anschlussende zum Anschließen des beweglichen Kontakts bei Punkt P2 verbleibt; und
    - Schließen des beweglichen Kontakts auch unter der Wirkung einer Inbetriebnahme des zumindest einen Motors, so dass eine Verlagerung des Anschlussendes zum Anschließen des beweglichen Kontakts von Punkt P2 zu Punkt P1 erreicht wird.
EP07821388A 2006-10-18 2007-10-16 Einrichtung zur steuerung eines elektrischen geräts Active EP2062277B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0609128A FR2907596B1 (fr) 2006-10-18 2006-10-18 Dispositif de commande d'un appareillage electrique
PCT/EP2007/061022 WO2008046823A1 (fr) 2006-10-18 2007-10-16 Dispositif de commande d'un appareillage electrique

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EP2062277A1 EP2062277A1 (de) 2009-05-27
EP2062277B1 true EP2062277B1 (de) 2010-06-30

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EP (1) EP2062277B1 (de)
CN (1) CN101595543B (de)
AT (1) ATE472812T1 (de)
DE (1) DE602007007492D1 (de)
FR (1) FR2907596B1 (de)
WO (1) WO2008046823A1 (de)

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JP5275201B2 (ja) * 2009-10-09 2013-08-28 株式会社東芝 開閉装置用操作機構の緩衝装置およびその注油方法
EP2775503B1 (de) * 2013-03-06 2018-01-03 Siemens Aktiengesellschaft Autofahrtstößel eines Schutzschalters und Schutzschalter
BR112016002051B1 (pt) * 2013-09-25 2021-08-17 Siemens Aktiengesellschaft Dispositivo de comutação
EP3093862B1 (de) * 2015-05-11 2018-09-12 General Electric Technology GmbH Federanordnung zum betrieb eines leistungsschalters

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GB930980A (en) * 1960-04-13 1963-07-10 Jose Munoz De Vargas Improvements in electric switches
FR2589001A1 (fr) * 1985-10-23 1987-04-24 Alsthom Dispositif de manoeuvre d'un disjoncteur et disjoncteur muni de ce dispositif
US5280258A (en) * 1992-05-22 1994-01-18 Siemens Energy & Automation, Inc. Spring-powered operator for a power circuit breaker
JP3095590B2 (ja) * 1993-09-24 2000-10-03 株式会社東芝 回路遮断器
IT1282078B1 (it) * 1996-02-02 1998-03-09 Abb Research Ltd Interruttore per corrente ad alta tensione
FR2747502B1 (fr) * 1996-04-10 1998-05-15 Gec Alsthom T & D Sa Commande a ressorts rectilignes pour disjoncteur a haute tension
US6180902B1 (en) * 1997-12-19 2001-01-30 S&C Electric Company Fault interrupter and operating mechanism therefor
FR2794278B1 (fr) * 1999-05-28 2001-08-10 Alstom Dispositif de commande rapide pour un appareil de connexion a haute tension, notamment un sectionneur de terre
CN1329347A (zh) * 2000-06-14 2002-01-02 三菱电机株式会社 开闭器的操作装置
FR2836277B1 (fr) * 2002-02-19 2004-04-16 Alstom Mecanisme de commande a ressorts pour disjoncteur a mouvement rectiligne
JP3861832B2 (ja) * 2003-03-11 2006-12-27 株式会社日立製作所 開閉器
FR2865572B1 (fr) * 2004-01-23 2006-05-26 Alstom T & D Sa Dispositif de commande de dispositif de coupure d'energie electrique
FR2895140B1 (fr) * 2005-12-20 2008-01-18 Areva T & D Sa Dispositif de commande d'un appareillage electrique
US7696447B2 (en) * 2007-06-01 2010-04-13 Eaton Corporation Electrical switching apparatus and stored energy assembly therefor

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Publication number Publication date
EP2062277A1 (de) 2009-05-27
CN101595543B (zh) 2011-11-02
WO2008046823A1 (fr) 2008-04-24
ATE472812T1 (de) 2010-07-15
CN101595543A (zh) 2009-12-02
US20110005906A1 (en) 2011-01-13
US8309871B2 (en) 2012-11-13
FR2907596A1 (fr) 2008-04-25
FR2907596B1 (fr) 2009-01-23
DE602007007492D1 (de) 2010-08-12

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