EP2948971B1 - Elektrische vorrichtung mit doppelter bewegung von kontakten mit einer umkehrvorrichtung mit zwei hebeln - Google Patents
Elektrische vorrichtung mit doppelter bewegung von kontakten mit einer umkehrvorrichtung mit zwei hebeln Download PDFInfo
- Publication number
- EP2948971B1 EP2948971B1 EP14701060.7A EP14701060A EP2948971B1 EP 2948971 B1 EP2948971 B1 EP 2948971B1 EP 14701060 A EP14701060 A EP 14701060A EP 2948971 B1 EP2948971 B1 EP 2948971B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- movable contact
- lever
- switchgear
- main
- main movable
- 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.)
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- 230000033001 locomotion Effects 0.000 title claims description 18
- 230000009977 dual effect Effects 0.000 title 1
- 238000006073 displacement reaction Methods 0.000 description 25
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Classifications
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- 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
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
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- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/904—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism characterised by the transmission between operating mechanism and piston or movable contact
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- 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
- H01H2033/028—Details the cooperating contacts being both actuated simultaneously in opposite directions
Definitions
- the invention relates to an electric power line transmission switchgear, such as a high or medium voltage switch or disconnector with double contact movement, comprising a main movable contact and a secondary movable contact, as well as a switch mechanism. connecting the two movable contacts for driving the secondary movable contact by the main movable contact.
- an electric power line transmission switchgear such as a high or medium voltage switch or disconnector with double contact movement
- the invention more particularly relates to a circuit breaker or disconnector for which the drive of the secondary movable contact is optimized to limit the stroke and optimize the acceleration of the secondary movable contact during an opening phase of the apparatus.
- a circuit breaker with double contact movement has two contacts that are able to move relative to one another and with respect to a fixed structure, during a circuit opening or closing phase.
- one of the two movable contacts is driven by a drive mechanism, and it drives the other moving contact, commonly called secondary mobile contact, via a return mechanism.
- This return mechanism is generally designed so that the displacement of the secondary movable contact is simultaneous and opposite to the displacement of the main movable contact.
- EP-A-1933348 and EP-A-0809269 each describe a dual-contact disconnector which comprises a system comprising two connecting rods and a central return member through which the main movable contact drives the secondary movable contact.
- the main movable contact and the secondary movable contact move simultaneously in opposite directions.
- the drive mechanism of the moving contact must therefore be capable of producing sufficient energy to move the two moving contacts simultaneously. This energy is therefore relatively important at the beginning of the opening phase of the disconnector.
- the drive mechanism provides an energy that allows the moving contacts to quickly reach a sufficiently high speed for breaking an electric arc formed between the two movable contacts.
- the dimensions of the components of the drive mechanism, the movable contacts and the return mechanism are relatively large to withstand the forces involved when opening or closing the disconnector.
- the document EP-B-0992050 describes a system for connecting the main movable contact with the secondary movable contact comprising a traction rod secured to the main movable contact, a pivoting lever and a connecting piece fixed to the secondary movable contact.
- a leg of the lever is fork-shaped and is adapted to cooperate with a finger carried by the pull rod.
- the other leg of the lever carries a finger that cooperates with a notch of the connecting piece.
- DE-C1-10003357 describes an electric power line transmission apparatus according to the preamble of claim 1.
- the object of the invention is to propose an electrical equipment such as a disconnector for which the means for connecting the movable contacts the one with the other allow to limit the drive forces of the moving contacts, while allowing to have a relative speed of a movable contact relative to the other which is maximum when the contact between the moving contacts is about to break.
- the invention proposes an electric power line transmission apparatus comprising a main movable contact and a secondary movable contact, each of which is able to move relative to a fixed frame of the apparatus along the main axis of the apparatus between a closed position of the apparatus and an open position of the apparatus, wherein the main movable contact is connected to the secondary movable contact via a return mechanism which converts the movement of the main movable contact in one direction in a displacement of the secondary movable contact in the opposite direction to the direction of movement of the main movable contact, characterized in that the return mechanism comprises two levers connected to one another in series which are pivotally mounted relative to the fixed frame about respective parallel pivot axes, each lever of which is connected to the main movable contact or the secondary mobile contact on the one hand and the other lever on the other hand.
- the driving of the secondary movable contact via a two-lever return mechanism connected in series makes it possible to optimize the travel and the speed of displacement of the secondary movable contact as a function of the position of the main movable contact when an opening phase of the equipment.
- the return mechanism is made in such a way that during the movement of the main movable contact between a first position corresponding to the closing position of the apparatus and an intermediate position, the return mechanism does not transform the displacement of the main movable contact into a displacement of the secondary movable contact and during the displacement of the main movable contact between said intermediate position and a third position corresponding to the open position of the apparatus, the return mechanism transforms the displacement of the main movable contact into a displacement of the secondary movable contact.
- a first lever of the return mechanism comprises a first branch which is connected to the main movable contact and a second branch which is connected to a second lever of the return mechanism
- the second lever comprises a first branch which is connected to the second branch of the first lever and a second branch which is connected to the secondary movable contact.
- the first branch of the second lever comprises a groove in which a follower finger integral with the second branch of the first lever is able to move during the pivoting of the first lever.
- the groove comprises a first portion which is in the shape of a circular arc centered on the axis of pivoting of the first lever relative to the frame when the second lever is in its closed position of the apparatus.
- the follower finger moves in the first portion of the groove while the main moving contact moves between said first position and said intermediate position.
- the groove comprises a second portion in which the follower finger moves while the main movable contact moves between said intermediate position and said third position, to allow the first lever to drive the second lever in rotation about its axis pivoting.
- the shape of the second portion of the groove is defined such that as the main movable contact moves from said intermediate position to said third position, the pivoting speed of the second lever increases progressively.
- the shape of the second portion of the groove is defined so that while the main movable contact moves from said intermediate position to said third position, the pivoting speed of the second lever gradually increases and then gradually decreases.
- the speed of the main contact is greater than the speed of the secondary movable contact while the main movable contact moves from said intermediate position to said third position.
- the speed of the main contact is less than or equal to the speed of the secondary movable contact and is greater than the speed of the secondary movable contact while the main moving contact moves from said intermediate position to said third position.
- figure 1 electrical equipment 10 such as for example a breaking chamber of a circuit breaker of medium or high voltage electric power transmission line.
- the interrupting chamber 10 comprises a fixed frame 12 of cylindrical main shape and main axis A oriented here longitudinally.
- the breaking chamber 10 also comprises, arranged inside the frame 12, a main movable contact 14 and a secondary movable contact 16 arranged coaxially with the frame 12.
- the main movable contact and the secondary movable contact 16 are mounted movable relative to the frame 12 sliding axially along the main axis A of the frame 12.
- the secondary mobile contact 16 consists of an axial rod whose axial end 16a is adapted to be received in a contact portion 18 of the main movable contact 14.
- Each movable contact 14, 16 is electrically connected to an electrical conductor and the movable contacts 14, 16 are able to move axially in the frame 12 between a closed position shown in FIG. figure 1 in which the movable contacts 14, 16 are in contact with each other, to allow the flow of an electric current through the breaking chamber 10, and an open position shown in FIG. 3D figure wherein the movable contacts 14, 16 are located at a distance from each other, preventing any movement of electric current through the breaking chamber 10.
- the displacement of the movable contacts 14, 16 is achieved by means of drive means (not shown) which are connected to the main movable contact 14 and via a return mechanism 20 which connects the main movable contact 14 to the secondary mobile contact 16.
- the return mechanism 20 makes it possible to transmit the drive forces originating from the drive means to the secondary mobile contact 16, via the main movable contact 14.
- the return mechanism 20 is also designed to transform the displacement of the main movable contact 14 in a first direction into a displacement of the secondary movable contact 16 in a direction opposite to the main movable contact 14.
- the main movable contact 14 is driven axially in a first direction, which is here to the left with reference to the figures, and the secondary movable contact 16 is driven axially in a second direction opposite the first direction, that is to say here to the right.
- the return mechanism 20 comprises two levers 22, 24 connected to one another in series, which are pivotally mounted relative to the frame 12 about parallel transverse axes B, C associated and two connecting rods 26, 28 connecting the levers 22, 24 to the movable contacts 14, 16.
- a first link 26 connects the main movable contact 14 to a first lever 22 and the second link 28 connects the second lever 24 to the secondary movable contact 16.
- the first lever 22 consists of two branches 30, 32 interconnected at the pivot axis B of the first lever 22.
- the first lever 22 thus comprises a first leg 30 whose free end 30a is connected to the movable contact main via the first rod 26 and has a second leg 32 whose free end 32a is connected to the second lever 24.
- the second lever 24 is also constituted by two branches 34, 36 interconnected at the pivot axis C of the second lever 24.
- the second lever 24 thus comprises a first branch 34 which is connected to the second branch 32 of the first lever 22 and comprises a second branch 36 whose free end 36a is connected to the secondary movable contact 16 via the second connecting rod 28.
- the first leg 34 of the second lever 24 has a groove 38 in which a follower pin 40 carried by the second leg 32 of the first lever 22 is able to move.
- the shape of the groove 38 is defined so that during an opening phase of the breaking chamber 10, in a first phase of this opening phase, the main movable contact 14 moves along the longitudinal main axis A and the secondary movable contact 16 remains stationary then, in a second and a third time of the opening phase, the main movable contact 14 drives the secondary movable contact 16 moving along the main axis A longitudinal.
- the shape of the groove 38 is defined so that the main movable contact 14 drives the secondary movable contact 16 when the main movable contact 14 is located between its open position of the breaking chamber and an intermediate position located between the position opening and closing position of the interrupting chamber 10.
- the groove 38 comprises a first portion 42 which is in the shape of a circular arc centered on the pivoting axis B of the first lever 22 when the second lever 24 is in its closed position of the apparatus.
- This first portion 42 of the groove 38 is the radially outer portion of the groove 38, relative to the pivot axis C of the second lever 24.
- the groove 38 has a second portion 44 which is formed in the extension of the first portion 42, and whose shape is defined so that when the follower pin 40 moves in this second portion 44 of the groove 38, it relies on one of the walls of the throat 38.
- the second lever 24 is then pivoted by the first lever 22 and consequently causes the secondary movable contact 16 to move relative to the frame 12.
- the second portion 44 of the groove 38 is generally rectilinear and is radial with respect to the pivot axis C of the second lever. It will be understood that the invention is not limited to this form of the second portion 44, which can also be curved without departing from the scope of the invention.
- Figures 3A to 3D different successive actuating positions of the breaking chamber 10 according to the invention, during an opening phase of the breaking chamber 10.
- the interrupting chamber 10 is shown in its initial closed position in which the movable contacts 14, 16 are electrically connected and in which each of the movable contacts 14, 16 is in an initial closed position, allowing the circulation of an electric current. through the breaking chamber 10.
- the main movable contact 14 is driven continuously by the drive means in axial displacement along the main axis A of the interrupting chamber, here to the left, from its initial position. closure shown in figure 3A up to its final opening position of the breaking chamber shown in FIG. 3D figure .
- the main movable contact 14 drives the first lever 22 pivotally about its pivoting axis B, via the first link 26.
- the follower finger 40 then describes a trajectory in the shape of a circular arc centered on the pivoting axis B of the first lever 22.
- the follower finger 40 moves in the first portion 42 of the throat 38.
- the second lever is in a position corresponding to the initial position of closure of the secondary movable contact 16.
- the center of the arc formed by the first portion 42 of the groove 38 is centered on the pivot axis B of the first lever 22.
- the second lever 24 is not pivotally driven about its pivot axis C by the first lever 22, the secondary movable contact 16 therefore remains motionless in its initial position of closing the breaking chamber. Therefore, during this first phase of the opening phase, only the main movable contact 14 has moved axially.
- the main movable contact 14 In a second stage of the opening phase, corresponding to the transition from the state represented to the figure 3B in the state shown in figure 3C , the main movable contact 14 continues its axial displacement, crossing the intermediate position described above. The main movable contact 14 thus drives the first lever 22 and therefore the follower pin 40 pivoting about the pivot axis B of the first lever.
- the shape of the second portion 44 of the groove 38 and the arc-shaped trajectory of the follower pin 40 have the consequence that the follower pin 40 rests on a wall of the second portion 44 of the groove 38, causing therefore the second lever 24 pivoting about its axis C in a direction opposite to the direction of rotation of the first lever 22 pivoting about its axis B.
- the second lever 24 is rotated clockwise.
- the second lever 24 By pivoting, the second lever 24 causes the secondary movable contact 16 to slide relative to the frame 12 in a direction opposite to the sliding of the main movable contact 14, that is to say here to the right with reference to the figures.
- the speed of displacement of the secondary movable contact 16 also increases gradually during the second stage of the opening phase.
- the two movable contacts 14, 16 move simultaneously and in opposite directions. Also, at least the speed of displacement of the secondary movable contact 16 increases gradually.
- the races of the movable contacts 14, 16 are defined so that the electrical connection between the movable contacts 14, 16 is broken when the relative speed between the two movable contacts 14, 16 becomes the largest, or at any other position before or during the acceleration phase of the secondary mobile contact 16.
- the movable contacts are separated and the follower pin 40 is located between the two pivot axes B, C of the levers.
- the follower pin 40 is at its position closest to the pivot axis C of the second lever 24.
- the follower pin 40 moves in the groove 38 progressively away from the pivot axis C of the second lever, the pivoting speed of the second lever 24 then decreases gradually.
- the secondary movable contact 16 slows progressively with respect to its maximum displacement speed.
- the drive means of the main movable contact 14 are stopped, the main movable contact 14 is therefore stopped, as well as that the secondary mobile contact 16.
- the secondary movable contact 16 Since the secondary movable contact 16 progressively slows down during this third stage of the opening phase, its kinetic energy is reduced, the energy required for the stop of the secondary movable contact 16 is therefore reduced as well.
- the main movable contact 14 drives the secondary movable contact 16 when the main movable contact 14 is in an axial position located between the open position of the breaking chamber 10 and the intermediate position shown in FIG. figure 3B . Also, the main movable contact 14 does not cause the secondary mobile contact 16 when the moving contact 14 is in an axial position between the closed position of the breaking chamber 10 and the intermediate position shown in FIG. figure 3B .
- figure 4 a graph showing the displacement, or the stroke of each movable contact 14, 16 relative to the frame 12, during the opening phase, for an exemplary embodiment of the invention.
- a first curve 50 of this graph is rectilinear and represents the stroke of the main movable contact 14 relative to the frame.
- the second curve 52 is non-rectilinear, represents the stroke of the secondary movable contact 16 relative to the frame 12.
- a third curve 66 represents the relative distance between the two movable contacts 14, 16.
- Each curve 50, 52 comprises a first portion 54, 56 corresponding to the displacement of the movable contact 14, 16 associated during the first time of the opening phase, that is to say up to a time T1.
- Each curve 50, 52 also includes a second portion 58, 60 corresponding to the displacement of the moving contact 14, 16 associated during the second time the opening phase, that is to say from the moment T1 until a time T2.
- the main movable contact 14 drives the secondary movable contact 16 and the speed of displacement of the secondary movable contact 16 increases progressively.
- Each curve 50, 52 thus comprises a third portion 62, 64 corresponding to the displacement of the moving contact 14, 16 associated during the third time of the opening phase, that is to say from the instant T2 to a moment T4.
- the third portion 64 of the curve 52 associated with the secondary movable contact 16 is concave and open upwards, and the curve 52 has a point of inflection at the moment corresponding to the instant T2.
- the dimensions of the levers 22, 24 are defined so that the speed of the main contact 14 is greater than the speed of the secondary movable contact 16 during the second time of the opening phase, and when third time of the opening phase.
- the dimensions of the levers 22, 24 are defined so that the speed of the main contact 14 is less than or equal to the speed of the secondary movable contact 16 during the second phase of the phase of opening, and that, during the third time of the opening phase, the speed of the main movable contact 14 is greater than the speed of the secondary movable contact 16 during the third time of the opening phase.
- the closing of the breaking chamber 10 is carried out in a reverse movement to that just described, that is to say by passing from the state shown in FIG. 3D figure in the state shown in figure 3A .
- the driving means cause the main movable contact 14 to move along the axis A of the frame 12 so that it approaches the secondary movable contact 16.
- the secondary movable contact 16 is driven by the main movable contact 14 by through the return mechanism 20, moving in the opposite direction of the main movable contact 14, that is to say that the movable contacts 14, 16 come closer to each other, and then come into electrical contact.
- the interrupting chamber 10 is then closed.
- the movable contacts 14, 16 move beyond this contact position to the relative position corresponding to the state shown in FIG. figure 3B , in which the secondary movable contact 16 is in its closed position of the breaking chamber 10.
- the second lever 24 is in its angular position with respect to its axis C of pivoting for which the arc formed by the first portion 42 of the groove 38 is centered on the pivot axis B of the first lever 22. Also, in this state, the follower finger 40 reaches the first portion 42 of the groove 38.
- the follower pin 40 moves in the first portion 42 of the groove 38, the second lever 24 is not then pivotally driven by the first lever 22.
- the secondary mobile contact 16 therefore remains motionless.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Claims (11)
- Elektrische Leitungseinrichtung (1) zum Transportieren von elektrischem Strom, enthaltend ein bewegliches Hauptkontaktstück (14) und ein bewegliches Nebenkontaktstück (16), von denen jedes dazu geeignet ist, sich bezüglich eines festen Gestells der Einrichtung entlang der Hauptachse A der Einrichtung (10) zwischen einer Schließstellung zum Schließen der Einrichtung (10) und einer Offenstellung zum Öffnen der Einrichtung (10) zu verlagern,
wobei das bewegliche Hauptkontaktstück (14) mit dem beweglichen Nebenkontaktstück (16) über einen Umlenkmechanismus (20) verbunden ist, der die Verlagerung des beweglichen Hauptkontaktstücks (14) in einer Richtung in eine Verlagerung des beweglichen Nebenkontaktstücks (16) in der der Verlagerungsrichtung des beweglichen Hauptkontaktstücks entgegengesetzten Richtung umzuwandeln,
dadurch gekennzeichnet, dass der Umlenkmechanismus (20) zwei Hebel (22, 24) aufweist, die in Reihe miteinander verbunden sind und bezüglich des festen Gestells (12) um jeweilige, parallel verlaufende Schwenkachsen (B, C) verschwenkbar gelagert sind, wovon jeder Hebel (22, 24) mit dem beweglichen Hauptkontaktstück (14) oder dem beweglichen Nebenkontaktstück (16) einerseits und mit dem weiteren Hebel (24, 22) andererseits verbunden ist. - Einrichtung (10) nach Anspruch 1, dadurch gekennzeichnet, dass der Umlenkmechanismus (20) derart ausgeführt ist, dass bei Verlagerung des beweglichen Hauptkontaktstücks (14) zwischen einer ersten Stellung, die der Schließstellung zum Schließen der Einrichtung (10) entspricht, und einer Zwischenstellung der Umlenkmechanismus (20) die Verlagerung des beweglichen Hauptkontaktstücks (14) nicht in eine Verlagerung des beweglichen Nebenkontaktstücks (16) umwandelt und dass bei der Verlagerung des beweglichen Hauptkontaktstücks (14) zwischen der Zwischenstellung und einer dritten Stellung, die der Offenstellung zum Öffnen der Einrichtung (10) entspricht, der Umlenkmechanismus (20) die Verlagerung des beweglichen Hauptkontaktstücks (14) in eine Verlagerung des beweglichen Nebenkontaktstücks (16) umwandelt.
- Einrichtung (10) nach Anspruch 2, dadurch gekennzeichnet, dass ein erster Hebel (22) des Umlenkmechanismus (20) einen ersten Schenkel (30) aufweist, der mit dem beweglichen Hauptkontaktstück (14) verbunden ist, sowie einen zweiten Schenkel (32), der mit einem zweiten Hebel des Umlenkmechanismus (20) verbunden ist, und der zweite Hebel (24) einen ersten Schenkel (34) aufweist, der mit dem zweiten Schenkel (32) des ersten Hebels (22) verbunden ist, sowie einen zweiten Schenkel (36), der mit dem beweglichen Nebenkontaktstück (16) verbunden ist.
- Einrichtung (10) nach Anspruch 3, dadurch gekennzeichnet, dass der erste Schenkel (34) des zweiten Hebels (24) eine Nut (38) aufweist, in welcher ein fest mit dem zweiten Schenkel (32) des ersten Hebels (22) verbundener Nachführfinger (40) sich beim Verschwenken des ersten Hebels (22) verlagern kann.
- Einrichtung (10) nach Anspruch 4, dadurch gekennzeichnet, dass die Nut (38) einen ersten Abschnitt (42) aufweist, der in auf die Schwenkachse (B) des ersten Hebels (22) bezüglich des Gestells (12) zentrierter Kreisbogenform vorliegt, wenn der zweite Hebel (24) in seiner Schließstellung zum Schließen der Einrichtung (10) ist.
- Einrichtung (10) nach Anspruch 5, dadurch gekennzeichnet, dass der Nachführfinger (40) sich in dem ersten Abschnitt (42) der Nut (38) verlagert, während das bewegliche Hauptkontaktstück (14) sich zwischen der ersten Stellung und der Zwischenstellung verlagert.
- Einrichtung (10) nach Anspruch 6, dadurch gekennzeichnet, dass die Nut (38) einen zweiten Abschnitt (44) aufweist, in welchem der Nachführfinger (40) sich verlagert, während das bewegliche Hauptkontaktstock (14) sich zwischen der Zwischenstellung und der dritten Stellung verlagert, um dem ersten Hebel (22) zu gestatten, den zweiten Hebel (24) um seine Schwenkachse (C) drehend mitzunehmen.
- Einrichtung (10) nach Anspruch 7, dadurch gekennzeichnet, dass die Form des zweiten Abschnitts (44) der Nut (38) so bestimmt ist, dass während der Verlagerung des beweglichen Hauptkontaktstücks (14) von der Zwischenstellung in die dritte Stellung die Schwenkgeschwindigkeit des zweiten Hebels (24) allmählich zunimmt.
- Einrichtung (10) nach Anspruch 7, dadurch gekennzeichnet, dass die Form des zweiten Abschnitts (44) der Nut (38) so bestimmt ist, dass während der Verlagerung des beweglichen Hauptkontaktstücks (14) von der Zwischenstellung in die dritte Stellung die Schwenkgeschwindigkeit des zweiten Hebels (24) allmählich zunimmt und dann allmählich abnimmt.
- Einrichtung (10) nach Anspruch 9, dadurch gekennzeichnet, dass die Geschwindigkeit des Hauptkontaktstücks (14) höher als die Geschwindigkeit des beweglichen Nebenkontaktstücks (16) ist, während sich das bewegliche Hauptkontaktstück (14) von der Zwischenstellung in die dritte Stellung verlagert.
- Einrichtung (10) nach Anspruch 9, dadurch gekennzeichnet, dass die Geschwindigkeit des Hauptkontaktstücks (14) geringer oder gleich der Geschwindigkeit des beweglichen Nebenkontaktstücks (16) ist, dann höher als die Geschwindigkeit des beweglichen Nebenkontaktstücks (16) ist, während sich das bewegliche Hauptkontaktstück (14) von der Zwischenstellung in die dritte Stellung verlagert.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1350612A FR3001329B1 (fr) | 2013-01-24 | 2013-01-24 | Appareillage electrique a double mouvement de contacts comportant un dispositif de renvoi a deux leviers |
PCT/EP2014/051128 WO2014114637A1 (fr) | 2013-01-24 | 2014-01-21 | Appareillage electrique a double mouvement de contacts comportant un dispositif de renvoi a deux leviers |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2948971A1 EP2948971A1 (de) | 2015-12-02 |
EP2948971B1 true EP2948971B1 (de) | 2017-03-15 |
Family
ID=48795631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14701060.7A Active EP2948971B1 (de) | 2013-01-24 | 2014-01-21 | Elektrische vorrichtung mit doppelter bewegung von kontakten mit einer umkehrvorrichtung mit zwei hebeln |
Country Status (7)
Country | Link |
---|---|
US (1) | US9543081B2 (de) |
EP (1) | EP2948971B1 (de) |
CN (1) | CN104981887B (de) |
CA (1) | CA2898389C (de) |
FR (1) | FR3001329B1 (de) |
HU (1) | HUE032317T2 (de) |
WO (1) | WO2014114637A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6364358B2 (ja) * | 2015-02-03 | 2018-07-25 | 株式会社日立製作所 | ガス遮断器 |
CN109192597B (zh) * | 2018-10-11 | 2020-02-04 | 西安西电开关电气有限公司 | 断路器及其双动传动装置 |
US12112906B2 (en) | 2019-04-26 | 2024-10-08 | G & W Electric Company | Integrated switchgear assembly |
EP3828909B1 (de) * | 2019-11-29 | 2023-09-13 | General Electric Technology GmbH | Schutzschalter mit vereinfachter nichtlinearer doppelbewegung |
CN113685721A (zh) * | 2020-05-19 | 2021-11-23 | 上海汽车集团股份有限公司 | 自动化加氢开关装置和燃料电池汽车 |
EP3985702A1 (de) | 2020-10-19 | 2022-04-20 | General Electric Technology GmbH | Schutzschalter mit verbessertem verbindungsmechanismus |
CN112635231B (zh) * | 2020-10-21 | 2023-05-12 | 平高集团有限公司 | 断路器的双动灭弧室及使用该灭弧室的断路器 |
CN114613639B (zh) * | 2022-03-24 | 2023-08-15 | 西安西电开关电气有限公司 | 一种开关的传动系统 |
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Publication number | Priority date | Publication date | Assignee | Title |
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FR2491675A1 (fr) * | 1980-10-07 | 1982-04-09 | Alsthom Atlantique | Dispositif de coupure a double mouvement des contacts |
JPH0743987B2 (ja) * | 1989-07-07 | 1995-05-15 | 株式会社東芝 | パッファ形ガス遮断器 |
ATE160466T1 (de) | 1994-06-20 | 1997-12-15 | Gec Alsthom T & D Ag | Druckgasschalter |
DE19622460C2 (de) * | 1996-05-24 | 1998-04-02 | Siemens Ag | Hochspannungs-Leistungsschalter mit zwei antreibbaren Schaltkontaktstücken |
DE19727850C1 (de) | 1997-06-26 | 1998-09-17 | Siemens Ag | Hochspannungs-Leistungsschalter mit zwei entgegengesetzt antreibbaren Lichtbogenkontaktstücken |
FR2774503B1 (fr) * | 1998-02-02 | 2000-04-07 | Gec Alsthom T & D Sa | Disjoncteur de moyenne ou de haute tension comportant une courroie de transmission refermee autour de deux pignons |
DE10003357C1 (de) * | 2000-01-21 | 2001-07-05 | Siemens Ag | Hochspannungs-Leistungsschalter |
JP2006164673A (ja) * | 2004-12-06 | 2006-06-22 | Hitachi Ltd | パッファ形ガス遮断器の電流遮断方法およびそれに用いるパッファ形ガス遮断器 |
FR2906642B1 (fr) * | 2006-09-29 | 2008-12-19 | Areva T & D Sa | Actionnement par came cylindrique des contacts d'une chambre de coupure a double mouvement. |
FR2906929B1 (fr) * | 2006-10-09 | 2009-01-30 | Areva T & D Sa | Actionnement par des contacts d'une chambre de coupure a double mouvement par un tube isolant |
DE502006007491D1 (de) | 2006-12-11 | 2010-09-02 | Abb Technology Ag | Leistungsschalter mit Getriebe mit Totlage |
FR2962847B1 (fr) | 2010-07-16 | 2012-08-17 | Areva T & D Sas | Appareillage de chambre de coupure pour deux electrodes de contact confinees |
KR20140044822A (ko) * | 2011-05-13 | 2014-04-15 | 에이비비 테크놀로지 아게 | 이중-모션 가스 절연형 회로 차단기 |
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2013
- 2013-01-24 FR FR1350612A patent/FR3001329B1/fr not_active Expired - Fee Related
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2014
- 2014-01-21 HU HUE14701060A patent/HUE032317T2/en unknown
- 2014-01-21 CN CN201480005999.7A patent/CN104981887B/zh active Active
- 2014-01-21 US US14/762,638 patent/US9543081B2/en active Active
- 2014-01-21 WO PCT/EP2014/051128 patent/WO2014114637A1/fr active Application Filing
- 2014-01-21 CA CA2898389A patent/CA2898389C/fr active Active
- 2014-01-21 EP EP14701060.7A patent/EP2948971B1/de active Active
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Also Published As
Publication number | Publication date |
---|---|
FR3001329A1 (fr) | 2014-07-25 |
CN104981887B (zh) | 2017-12-22 |
HUE032317T2 (en) | 2017-09-28 |
EP2948971A1 (de) | 2015-12-02 |
FR3001329B1 (fr) | 2015-02-27 |
WO2014114637A1 (fr) | 2014-07-31 |
CN104981887A (zh) | 2015-10-14 |
CA2898389A1 (fr) | 2014-07-31 |
US20150357128A1 (en) | 2015-12-10 |
US9543081B2 (en) | 2017-01-10 |
CA2898389C (fr) | 2021-05-18 |
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