EP2747103A1 - Relay switch device - Google Patents

Relay switch device Download PDF

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Publication number
EP2747103A1
EP2747103A1 EP13197642.5A EP13197642A EP2747103A1 EP 2747103 A1 EP2747103 A1 EP 2747103A1 EP 13197642 A EP13197642 A EP 13197642A EP 2747103 A1 EP2747103 A1 EP 2747103A1
Authority
EP
European Patent Office
Prior art keywords
contacts
switch
support member
contact
configuration
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.)
Granted
Application number
EP13197642.5A
Other languages
German (de)
French (fr)
Other versions
EP2747103B1 (en
Inventor
Bruno Reymond
Maria Vallet
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.)
Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication date
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Publication of EP2747103A1 publication Critical patent/EP2747103A1/en
Application granted granted Critical
Publication of EP2747103B1 publication Critical patent/EP2747103B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2016—Bridging contacts in which the two contact pairs commutate at substantially different moments
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/541—Contacts shunted by semiconductor devices
    • H01H9/542—Contacts shunted by static switch means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/547—Combinations of mechanical switches and static switches, the latter being controlled by the former

Definitions

  • the present invention is in the field of contactor-circuit breaker devices.
  • a contactor-circuit breaker device is an electrical appliance used for, on the one hand, voluntarily controlling the power supply of an electric circuit, that is to say exerting a contactor function, and on the other hand on the other hand, to automatically control the breaking of the current in the electrical circuit, that is to say to exert a circuit breaker function, by means of a breaking module, as soon as the breaking module detects an electrical fault such that a short circuit or overcurrent in the electrical circuit.
  • a contactor-breaker device is said to be “hybrid” when it comprises both a mechanical switch and one or more semiconductor devices.
  • the document WO 2011/018113 discloses a hybrid circuit breaker device capable of interrupting a fault current in an electrical circuit. It comprises a mechanical switch arranged to open the electric circuit when a fault current appears in the electrical circuit, and a semiconductor current cut-off module in which the fault current is switched.
  • the semiconductor breaking module is thus arranged to interrupt the fault current.
  • the switch mechanical comprises two fixed contacts connected to the electrical circuit and a rotating arm comprising two movable contacts, each movable contact being adapted to be brought into contact with one of the fixed contacts.
  • the movable arm is arranged so that, when the switch is open, the distances separating each movable contact and each fixed contact to be brought into contact are different.
  • the breaking module is connected in parallel with the fixed contact and the movable contact whose separation distance when the mechanical switch is open is the largest.
  • a first object of the invention is to provide a contactor-circuit breaker device adapted to allow rapid opening of the mechanical switch and therefore rapid switching of the fault current from the electrical circuit to the breaking module.
  • Another object of the invention is to provide a contactor-circuit breaker device for obtaining high sectioning distances, and this from existing contactor circuit breaker devices without increasing the volume and manufacturing costs.
  • the subject of the invention is an apparatus for moving the support member comprising an armature, the movement apparatus being able to move the armature in translation so that the support member switches between the closure configuration and the opening configuration of the electric circuit by a translational movement and / or rotation.
  • FIG. 1 a first embodiment of a contactor-circuit breaker device 2 according to the invention.
  • the device 2 comprises a mechanical switch 4 and a current cut-off module 6 including a semiconductor device 8.
  • the switch mechanical 4 comprises two pairs of contacts 10, 12, each pair of contacts 10, 12 comprising a fixed contact 14, 16 and a movable contact 18, 20.
  • the contactor-circuit breaker device 2 is able to establish or interrupt the current flowing in an electric circuit 22 connected to a load such as a motor.
  • the electric circuit 22 is schematized in the figures by an electric line L.
  • the contactor-circuit-breaker device 2 further comprises a support member 24 of the movable contacts 18, 20 and a device 26 for moving the support member 24. It further comprises a stop piece 28.
  • the fixed contacts 14, 16 of the pairs 10, 12 of contacts are arranged in series of the electrical circuit 22.
  • the movable contacts 18, 20 of the pairs 10, 12 of contacts are mechanically and electrically connected to each other via the organ support 24.
  • Each fixed contact 14, 16 and each movable contact 18, 20 of the same pair 10, 12 of contacts are arranged facing one another, so that they are adapted to be placed in mechanical and electrical contact. with each other.
  • the mechanical switch 4 is movable in translation along a translation axis X and suitable for switching between a closing configuration of the electric circuit 22 and an opening configuration of the electrical circuit 22.
  • the fixed contacts 14, 16 and movable 18, 20 of each pair 10, 12 of contacts are in mechanical contact so that a current is able to flow between the two pairs 10, 12 of contacts.
  • the fixed contacts 14, 16 and movable 18, 20 of at least one pair 10, 12 are spaced apart from each other.
  • the mechanical switch 4 is further adapted to achieve a maximum opening configuration.
  • the maximum aperture configuration is represented on the figures 4 and 12 and will be described in more detail later.
  • the contactor-circuit breaker device 2 advantageously comprises a housing 30 and a recording device 31, visible on the figure 12 .
  • the housing 30 is adapted to receive the recording member 31 so as to block the switch 4, and only when the switch 4 is in the maximum opening configuration.
  • the recording member 31 is for example a padlock.
  • the lock 31 connects the mechanical switch 4 to a fixed support (not shown) via the housing 30, allowing the mechanical switch 4 to be maintained in its maximum opening configuration.
  • the current breaking module 6 comprises the semiconductor device 8, a diode bridge 32, and a varistor 34.
  • the semiconductor device 8, the diode bridge 32, and the varistor 34 are connected in parallel.
  • the semiconductor device 8 is for example an insulated gate bipolar transistor 36 (IGBT, of the English "Insulated Gate Bipolar Transistor”).
  • the semiconductor device 8 is a bipolar transistor, a MOSFET (Metal Oxide Semiconductor Field Effect Transistor), a thyristor GTO (Gate Turn-Off), or a thyristor MCT (Metal Oxide Semiconductor Controlled Thyristor).
  • the semiconductor device 8 is lockable and bootable by the control, i.e., it is capable of switching from a switched state to a controllably locked state.
  • the breaking module 6 is thus able to pass from an on state, in which a current flows in the breaking module 6, to a blocked state, in which no current flows in the breaking module 6.
  • the breaking module 6 is able to switch the current from the electric circuit 22 to the breaking module 6 and to interrupt the current flowing in the circuit electric 22.
  • the breaking module 6 is connected to the abutment piece 28, via a rigid conductor 38.
  • the support member 24 is formed of an arm 42 on which are disposed the movable contacts 18, 20 of each pair 10, 12.
  • the movement apparatus 26 comprises an armature 44.
  • the armature 44 is advantageously connected to the support member 24 via, for example, a link module 46 shown on the FIG. figures 3 and 4 and which will be described in more detail later.
  • the motion apparatus 26 is, for example, an electromagnet.
  • the electromagnet comprises a fixed body 50 comprising at least one coil (not shown) and / or at least one permanent magnet, and the armature 44.
  • the electromagnet comprises for example a single coil.
  • the armature 44 extends along the translation axis X and is movable in translation along the translation axis X relative to the fixed body 50, under the effect of the magnetic field created by the coil.
  • the armature 44 thus has a rectilinear trajectory with respect to the fixed body 50 of the electromagnet.
  • the translation of the armature 44 thus causes the translation and / or rotation of the support member 24 of the movable contacts 18, 20.
  • the armature 44 is adapted to put in translation movement and / or rotating the support member 24 so that the support member 24 switches between the closure configuration and the opening configuration of the electrical circuit 22.
  • the support member 24 is movable in translation along the translation axis X.
  • the support member 24 moves from the closure configuration to the opening configuration, for example by a translational movement. along the vertical axis X.
  • the support member 24 is furthermore preferably rotatable relative to an axis of rotation Y perpendicular to the direction of translation of the support member 24, that is to say perpendicular to the axis of rotation. translation X.
  • the support member 24 is thus able to switch from the closure configuration to the maximum opening configuration by performing, for example, a translation along the vertical axis X and / or a rotation relative to the rotation axis Y.
  • connection module 46 adapted to connect the support member 24 to the movement apparatus 26 is shown in greater detail.
  • connection module 46 comprises a side wall 52, a bottom wall 54 and an upper wall 56.
  • the upper wall 56 is opposite to the bottom wall 54.
  • the connection module 46 further comprises a swivel pivot 58 of the support member 24 and a return member 60 of the support member 24 towards the frame 44, more precisely to the upper wall 56, for example a spring.
  • connection module 46 further comprises a stop block A adapted to limit the rotation of the support member 24.
  • the upper wall 56 is fixed to the armature 44 and extends perpendicularly to the translation axis X.
  • the spring 60 extends parallel to the translation axis X and has a first end 62 and a second end 64.
  • the first end 62 is connected to the upper wall 56 of the connection module 46 and the second end 64 is connected to the support member 24 at an anchoring point P of the support member 24.
  • the pivot 58 advantageously extends parallel to the axis of rotation Y, and for example protrudes from the bottom wall 54 to the upper wall 56.
  • the pivot 58 comprises a rest edge R which extends from the same way parallel to the axis of rotation Y.
  • the support member 24 rests on the pivot 58, more precisely on the rest edge R of the support member 24.
  • the anchoring point P is located at a distance from the translation axis X, that is to say that the anchoring point P is offset with respect to the translation axis X.
  • the pivot 58 and the rest edge R of the pivot 58 are located on the translation axis X.
  • the switch 4 is in the opening configuration and on the figure 4 , the switch is in the maximum aperture configuration.
  • the mechanical switch 4 is able to reach a maximum opening configuration.
  • the fixed contact 14 and movable contact 18 of a first pair 10 from the pairs 10, 12, 10 of said cut pair are at a maximum distance d c, said cutoff distance d c , one of the other.
  • the movable contact 18 of the breaking pair 10 is then in mechanical contact with the abutment piece 28.
  • the fixed contact 16 and the movable contact 20 of the second pair 12 of contacts, said sectioning pair 12 are at a maximum distance d s , said sectioning distance d s , one of the other.
  • the characteristic that the support member 24 is rotatable has the advantage of not having to ensure that the maximum stroke of the electromagnet 46 is equal to the disconnection distance, which would be particularly expensive.
  • the sectioning distance d s is greater than the breaking distance d c .
  • the disconnection distance d s must be particularly important to allow efficient and reliable isolation of the electrical circuit 22.
  • the disconnection distance d s is between 1 mm and 12 mm, preferably between 5 and 9 mm, and in particular equal to 6 mm.
  • the cut-off distance d c is between 0.1 mm and 3 mm, and in particular equal to 1 mm.
  • the distance traveled by the movable contact 18 between the closure configuration and the maximum opening configuration is between 0.2 mm and 1.5 mm.
  • the breaking module 6 is connected in parallel with the pair of contacts in which the distance between the movable contact 18 and the fixed contact 14 is the smallest when the switch 4 is in the opening configuration. Max.
  • the cutoff module 6 is connected in parallel with the cutoff pair. A rapid opening of the mechanical switch 4 and therefore rapid switching of the fault current from the electrical circuit 22 to the breaking module 6 is ensured.
  • the movable contacts 18, 20 are located on either side and equidistant from the axis of rotation Y.
  • the abutment piece 28 is able to stop the translation and / or rotation movement of the support member 24 when the switch 4 reaches the maximum opening configuration.
  • the abutment piece 28 is disposed facing the movable contact 18 of the cutoff pair 10, on the side of the movable contact 18 opposite the corresponding fixed contact 14 of the same cutoff pair.
  • the abutment piece 28 is adapted to be brought into contact with the movable contact 18 of the pair of contacts in which the distance between the movable contact 18 and the fixed contact 14 is the smallest when the mechanical switch 4 is in its maximum aperture configuration.
  • a second embodiment of the device 102 according to the invention is represented on the figure 5 .
  • the cut-off module 6 is connected to the support member 24, via a metal braid 66.
  • the cut-off module 6 is then connected to the device 24 and therefore to the movable contacts 14, 18 at all times, that the switch is in the configuration of closing, opening or maximum opening.
  • a third embodiment of the device 202 according to the invention is represented on the figure 6 .
  • the movable contacts are located on the same side of the axis of rotation Y of the support member 24.
  • the support member 24 comprises an electrical connection element 68.
  • the electrical connecting element 68 is located on the opposite side to the side of the movable contacts 18, 20.
  • the electrical connecting element 68 is able to be brought into contact with the abutment piece 28.
  • the curve A represents the evolution of the current flowing in the breaking module 6
  • the curve B represents the evolution of the current passing through the contacts 14, 18 of the cut-off pair
  • the curve C represents the evolution current passing through the contacts 16, 20 of the sectioning pair 12
  • the curve D represents the evolution of the voltage across the device 2.
  • the curves A and B are offset vertically with respect to the curve C.
  • the mechanical switch 4 In the closed position, the mechanical switch 4 is in its metallic conduction configuration, that is to say that the fixed contacts 14, 16 and movable 18, 20 of each pair 10, 12 are in mechanical contact. This phase of operation is represented on the figure 7 . No current flows in the breaking module 6, as can be seen in Part VII of the figure 16 . In the closed position, the breaking module 6 is indifferently in the off or on state.
  • the moving apparatus 26 sets the support member 24 in motion.
  • the support member 24 is moved through the armature 44 so that the mechanical switch 4 moves from the closure configuration to the opening configuration in which the movable contacts 18, 20 and the fixed contacts 14, 16 of the pairs 10, 12 of contacts are separated by a non-zero distance. At least one electric arc then appears between at least one of the movable contacts 18, 20 and at least one of the fixed contacts 14, 16 of the pairs 10, 12. This operating phase is represented on the figure 8 .
  • an arc voltage V arc then appears between each movable contact 18, 20 and each fixed contact 14, 16 during their separation.
  • the voltage across the device 2 is then equal to 2 * V arc and corresponds to the arcs present in each pair 10, 12 of contacts.
  • the device 2 continues to conduct the current of the electric circuit 22.
  • the support member 24 continues its rectilinear stroke until the movable contact 18 of the cutoff pair 10 is in contact with the abutment piece 28.
  • This configuration is shown in FIG. figure 9 , and corresponds to Part IX of the figure 16 .
  • the semiconductor device 8 is The semiconductor device 8 is dimensioned to present a voltage V ON less than V arc .
  • the electric arc located in the cut-off pair 10 allows the current flowing in the electric circuit 22 to switch gradually towards the breaking module 6, the semiconductor device 8 being in an on state allowing the current to flow in the circuit. cutoff module 6.
  • the fault current initially flowing in the electric circuit 22 is progressively switched to the breaking module 6 connected in parallel with the cut-off pair 10, via the stop piece 28.
  • the semiconductor device 8 is turned on from the operating phase shown in FIG. figure 8 and Part VIII of the figure 16 .
  • the support member 24 rotates about the axis of rotation Y.
  • the rotation of the support member 24 is consecutive to the travel of the armature 44 exceeding the abutment dimension of the contact 18 on the part 28
  • the abutment piece 28 is able to cause a rotational movement complementary to the translational movement, so that the switch 4 has, in the maximum opening configuration, a maximum opening greater than the travel of
  • the switch 4 switches to the maximum open configuration, i.e. the contacts 16, 20 of the sectioning pair 12 are separated from the disconnection distance. d s for which no current can not flow between the two contacts 16, 20.
  • phase XI the semiconductor device 8 is blocked so as to force the passage of the current in the varistor 34.
  • the varistor 34 has a voltage V var at its terminals.
  • the current in the device 2 decreases rapidly as shown in part XI of the figure 16 until it becomes null, as shown in Part XII of the figure 16 .
  • the voltage across the device is equal to V arc + V var .
  • the device 2 is in the maximum opening configuration ensuring sectioning.
  • the device 2 is then for example blocked in this maximum opening configuration via the logger 31 received in the housing 30.
  • the device 2 is then locked in the open position. This consignment ensures the safety of people downstream of the device during human interventions.
  • the operation of the device 2 closing that is to say the closure of the device 2 when the circuit breaker is tripped or the contactor closes, is carried out as described below, with reference to FIGS. Figures 13 to 15 and at the figure 16 .
  • the device 2 is, in the initial state, in the configuration shown in FIG. figure 12 .
  • the semiconductor device 8 is turned on, so that the current is restored in the device 2. This phase corresponds to the part XIII ' of the figure 16 .
  • the voltage across the device 2 is equal to V ON . In this way, no electric arc appears between the contacts 16, 20 of the sectioning pair 12.
  • the movable contact 18 continues its course to be joined to the fixed contact 14. As soon as the movable contact 18 and the fixed contact 14 are contiguous, and as visible in the part XV of the figure 16 , the current begins to decrease in the breaking module 6. The voltage across the device 2 during phase XV, when the current is still non-zero, is zero.
  • the current flowing in the device 6 decreases to zero.
  • the current is then totally transferred to a metallic conduction.
  • the device 2 is then found in the configuration represented on the figure 7 and in phase VII of the figure 16 .
  • the device 2 is closed, the current flows in the electric circuit 22 and no longer circulates in the breaking module 6.
  • This mode of operation thus makes it possible to preserve the contacts 16, 20 of the sectioning pair 12 of the erosion due to the electric arcs, and to improve the electrical endurance of the device according to the invention.
  • the operation of the second embodiment of the device 102 is similar to the operation of the first embodiment of the device 2, with the difference that the cut-off module 6 is permanently connected to the support member 24.
  • the operation of the third embodiment of the device 202 is similar to the operation of the first embodiment of the device 2, with the difference that in the maximum aperture configuration, the abutment piece 28 is in mechanical contact with the connecting element
  • the movable contact 18 and the abutment piece 28 are in electrical contact via the support member 24 and the electrical connection element 68.
  • the position of the abutment piece 28 can be optimized to minimize the arc duration between the contacts 14, 18 of the breaking pair.
  • the abutment piece 28 and the electrical connection element 68 are for example in permanent contact.
  • the contactor-circuit breaker device makes it possible, thanks to the mobility in translation and / or in rotation of the support member 24, to be implemented on contactors-breakers of the state of the art. in an easy way.
  • the device according to the invention makes it possible to obtain a fast opening phase and consequently to obtain a fast and efficient switching of the current when a fault current appears in the electric circuit 22.

Abstract

The device (2) has a current switching module (6) including a transistor, and connected in parallel to a pair of contacts (10, 12) when a mechanical switch (4) is in an opening configuration of an electrical circuit (22). A moving apparatus (26) i.e. electromagnet, moves a support body (24) and includes a reinforcement part (44). The moving apparatus moves the reinforcement part such that the support body is switched between a closing configuration and the opening configuration of the electrical circuit by rotation and/or translatory movement.

Description

La présente invention se situe dans le domaine des dispositifs contacteurs-disjoncteurs.The present invention is in the field of contactor-circuit breaker devices.

Plus précisément, l'invention concerne un dispositif contacteur-disjoncteur comprenant :

  • un interrupteur mécanique comprenant au moins deux paires de contacts, chaque paire de contacts comprenant un contact fixe et un contact mobile propres à être mis en contact, les contacts fixes étant connectés en série d'un circuit électrique, l'interrupteur mécanique étant propre à permuter entre une configuration de fermeture du circuit électrique dans laquelle les contacts fixe et mobile de chaque paire de contacts sont en contact mécanique et une configuration d'ouverture du circuit électrique dans laquelle les contacts fixe et mobile d'au moins une paire de contacts sont à distance l'un de l'autre ;
  • un organe de support des contacts mobiles ; et
  • un module de coupure de courant comprenant un dispositif à semi-conducteur, le module de coupure étant connecté en parallèle à une des paires de contacts lorsque l'interrupteur est en configuration d'ouverture et étant propre à, lorsque l'interrupteur est dans la configuration d'ouverture et qu'un arc électrique apparaît dans au moins une des paire de contacts, commuter le courant depuis le circuit électrique vers le module de coupure et interrompre le courant circulant dans le circuit électrique.
More specifically, the invention relates to a contactor-circuit breaker device comprising:
  • a mechanical switch comprising at least two pairs of contacts, each pair of contacts comprising a fixed contact and a movable contact capable of being brought into contact, the fixed contacts being connected in series with an electrical circuit, the mechanical switch being adapted to to switch between a closure configuration of the electrical circuit in which the fixed and movable contacts of each pair of contacts are in mechanical contact and an opening configuration of the electrical circuit in which the fixed and movable contacts of at least one pair of contacts are at a distance from each other;
  • a support member for the movable contacts; and
  • a power failure module comprising a semiconductor device, the breaking module being connected in parallel with one of the pairs of contacts when the switch is in the open configuration and being adapted to, when the switch is in the aperture configuration and that an electric arc appears in at least one of the pair of contacts, switch the current from the electrical circuit to the breaking module and interrupt the current flowing in the electrical circuit.

De manière générale, un dispositif contacteur-disjoncteur est un appareil électrique utilisé pour d'une part, commander de façon volontaire l'alimentation d'un circuit électrique, c'est-à-dire exercer une fonction de contacteur, et d'autre part, pour commander automatiquement la coupure du courant dans le circuit électrique, c'est-à-dire exercer une fonction de disjoncteur, au moyen d'un module de coupure, dès que le module de coupure constate un défaut électrique tel qu'un court-circuit ou une surintensité dans le circuit électrique. Un dispositif contacteur-disjoncteur est dit « hybride » lorsqu'il comprend à la fois un interrupteur mécanique et un ou plusieurs dispositifs à semi-conducteur.In general, a contactor-circuit breaker device is an electrical appliance used for, on the one hand, voluntarily controlling the power supply of an electric circuit, that is to say exerting a contactor function, and on the other hand on the other hand, to automatically control the breaking of the current in the electrical circuit, that is to say to exert a circuit breaker function, by means of a breaking module, as soon as the breaking module detects an electrical fault such that a short circuit or overcurrent in the electrical circuit. A contactor-breaker device is said to be "hybrid" when it comprises both a mechanical switch and one or more semiconductor devices.

Le document WO 2011/018113 décrit un dispositif disjoncteur hybride propre à interrompre un courant de défaut dans un circuit électrique. Il comprend un interrupteur mécanique agencé de manière à ouvrir le circuit électrique lors de l'apparition d'un courant de défaut dans le circuit électrique, et un module de coupure de courant à semi-conducteur dans lequel le courant de défaut est commuté. Le module de coupure à semi-conducteur est ainsi agencé pour interrompre le courant de défaut. L'interrupteur mécanique comprend deux contacts fixes reliés au circuit électrique et un bras mobile en rotation comprenant deux contacts mobiles, chaque contact mobile étant propre à être mis en contact avec un des contacts fixes. Le bras mobile est agencé de façon à ce que, lorsque l'interrupteur est ouvert, les distances séparant chaque contact mobile et chaque contact fixe devant être mis en contact soient différentes. Le module de coupure est connecté en parallèle avec le contact fixe et le contact mobile dont la distance de séparation lorsque l'interrupteur mécanique est ouvert est la plus grande.The document WO 2011/018113 discloses a hybrid circuit breaker device capable of interrupting a fault current in an electrical circuit. It comprises a mechanical switch arranged to open the electric circuit when a fault current appears in the electrical circuit, and a semiconductor current cut-off module in which the fault current is switched. The semiconductor breaking module is thus arranged to interrupt the fault current. The switch mechanical comprises two fixed contacts connected to the electrical circuit and a rotating arm comprising two movable contacts, each movable contact being adapted to be brought into contact with one of the fixed contacts. The movable arm is arranged so that, when the switch is open, the distances separating each movable contact and each fixed contact to be brought into contact are different. The breaking module is connected in parallel with the fixed contact and the movable contact whose separation distance when the mechanical switch is open is the largest.

Toutefois, un tel dispositif ne donne pas entière satisfaction. Son efficacité en ce qui concerne la rapidité d'ouverture de l'interrupteur mécanique lors de l'apparition d'un courant de défaut dans le circuit électrique est notamment insuffisante. En outre, il est peu aisé de mettre en oeuvre un tel dispositif sur des contacteurs-disjoncteurs déjà existants, et d'obtenir d'importantes distances de sectionnement sans avoir à surdimensionner le contacteur.However, such a device does not give complete satisfaction. Its effectiveness as regards the speed of opening of the mechanical switch when a fault current appears in the electrical circuit is particularly insufficient. In addition, it is not easy to implement such a device on existing contactors-circuit breakers, and to obtain large distances of sectioning without having to oversize the contactor.

Un premier but de l'invention est de fournir un dispositif contacteur-disjoncteur propre à permettre une ouverture rapide de l'interrupteur mécanique et par conséquent une commutation rapide du courant de défaut depuis le circuit électrique vers le module de coupure.A first object of the invention is to provide a contactor-circuit breaker device adapted to allow rapid opening of the mechanical switch and therefore rapid switching of the fault current from the electrical circuit to the breaking module.

Un autre but de l'invention est de fournir un dispositif contacteur-disjoncteur permettant d'obtenir des distances de sectionnement élevées, et ce à partir de dispositifs contacteur-disjoncteurs déjà existants sans en augmenter le volume et les coûts de fabrication.Another object of the invention is to provide a contactor-circuit breaker device for obtaining high sectioning distances, and this from existing contactor circuit breaker devices without increasing the volume and manufacturing costs.

A cet effet, l'invention a pour objet un appareil de mise en mouvement de l'organe de support comprenant une armature, l'appareil de mise en mouvement étant propre à mettre en mouvement de translation l'armature de façon à ce que l'organe de support permute entre la configuration de fermeture et la configuration d'ouverture du circuit électrique par un mouvement de translation et/ou de rotation.For this purpose, the subject of the invention is an apparatus for moving the support member comprising an armature, the movement apparatus being able to move the armature in translation so that the support member switches between the closure configuration and the opening configuration of the electric circuit by a translational movement and / or rotation.

Le dispositif selon l'invention peut comprendre l'une ou plusieurs des caractéristiques suivantes, prises isolément ou suivant toute combinaison techniquement possible :

  • l'interrupteur est propre à atteindre une configuration d'ouverture maximale et le dispositif comporte une pièce de butée propre à stopper le mouvement de translation et/ou de rotation de l'organe de support lorsque l'interrupteur atteint la configuration d'ouverture maximale ;
  • la pièce de butée est propre à entraîner un mouvement de rotation complémentaire au mouvement de translation, de façon à ce que l'interrupteur présente, dans la configuration d'ouverture maximale, une ouverture maximale supérieure à la course de l'appareil de mise en mouvement ;
  • l'organe de support est mobile en translation par rapport à un axe de translation et en rotation par rapport à un axe de rotation, l'axe de rotation étant perpendiculaire à l'axe de translation ;
  • lorsque l'interrupteur est dans sa configuration d'ouverture maximale, la distance entre chaque contact fixe et chaque contact mobile est différente pour chaque paire de contacts, et le module de coupure est connecté en parallèle à la paire de contacts dans laquelle la distance entre le contact mobile et le contact fixe est la plus petite ;
  • la pièce de butée est propre à être mise en contact avec le contact mobile de la paire dans laquelle la distance entre le contact mobile et le contact fixe est la plus petite lorsque l'interrupteur est dans sa configuration d'ouverture maximale, le module de coupure étant relié à la pièce de butée ;
  • le module de coupure est relié à la pièce de butée par l'intermédiaire d'un conducteur rigide ;
  • les contacts mobiles sont situés de part et d'autre de l'axe de rotation ;
  • les contacts mobiles sont situés à égale distance de l'axe de rotation ;
  • le dispositif comprend un élément de liaison électrique, et les contacts mobiles sont situés du même côté de l'axe de rotation ;
  • la pièce de butée est en contact permanent avec l'élément de liaison électrique ;
  • l'appareil de mise en mouvement comprend un module de liaison propre à relier l'organe de support à l'armature, le module de liaison comprenant un pivot de basculement de l'organe de support et un organe de rappel de l'organe de support vers l'armature, le pivot étant situé dans l'axe de translation et l'organe de rappel étant situé à distance de l'axe de translation ;
  • le module de liaison comprend un palier d'arrêt propre à limiter la rotation de l'organe de support ;
  • l'appareil de mise en mouvement est un électroaimant ; et
  • le dispositif comprend un logement et un organe de consignation, le logement étant propre à recevoir l'organe de consignation de façon à bloquer l'interrupteur exclusivement dans la configuration d'ouverture maximale.
The device according to the invention may comprise one or more of the following characteristics, taken separately or in any technically possible combination:
  • the switch is able to reach a maximum opening configuration and the device comprises a stop piece capable of stopping the translational and / or rotational movement of the support member when the switch reaches the maximum opening configuration ;
  • the abutment piece is adapted to cause a rotational movement complementary to the translational movement, so that the switch has, in the maximum aperture configuration, a maximum opening greater than the travel of the moving apparatus;
  • the support member is movable in translation relative to an axis of translation and in rotation with respect to an axis of rotation, the axis of rotation being perpendicular to the translation axis;
  • when the switch is in its maximum open configuration, the distance between each fixed contact and each moving contact is different for each pair of contacts, and the breaking module is connected in parallel to the pair of contacts in which the distance between the moving contact and the fixed contact is the smallest;
  • the abutment piece is adapted to be brought into contact with the movable contact of the pair in which the distance between the movable contact and the fixed contact is the smallest when the switch is in its maximum opening configuration, the module of cutoff being connected to the abutment piece;
  • the breaking module is connected to the abutment piece via a rigid conductor;
  • the movable contacts are located on either side of the axis of rotation;
  • the moving contacts are equidistant from the axis of rotation;
  • the device comprises an electrical connection element, and the movable contacts are located on the same side of the axis of rotation;
  • the abutment piece is in permanent contact with the electrical connection element;
  • the movement apparatus comprises a connection module adapted to connect the support member to the armature, the link module comprising a pivot pivot of the support member and a return member of the body of the support towards the frame, the pivot being located in the translation axis and the return member being located at a distance from the translation axis;
  • the connection module comprises a stop bearing adapted to limit the rotation of the support member;
  • the moving apparatus is an electromagnet; and
  • the device comprises a housing and a recording device, the housing being adapted to receive the recording device so as to lock the switch exclusively in the maximum opening configuration.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés sur lesquels :

  • la figure 1 est une représentation schématique d'un premier mode de réalisation du dispositif selon l'invention ;
  • la figure 2 est une représentation schématique d'un module de coupure du dispositif selon l'invention ;
  • la figure 3 est une représentation schématique d'un détail du premier mode de réalisation du dispositif selon l'invention ;
  • la figure 4 est une représentation schématique d'un détail du premier mode de réalisation du dispositif selon l'invention dans la configuration d'ouverture maximale ;
  • la figure 5 est la représentation schématique d'un deuxième mode de réalisation du dispositif selon l'invention ;
  • la figure 6 est la représentation schématique d'un troisième mode de réalisation du dispositif selon l'invention ;
  • la figure 7 est une représentation schématique d'une première étape de fonctionnement du dispositif selon l'invention ;
  • la figure 8 est une représentation schématique d'une deuxième étape de fonctionnement du dispositif selon l'invention ;
  • la figure 9 est une représentation schématique d'une troisième étape de fonctionnement du dispositif selon l'invention ;
  • la figure 10 est une représentation schématique d'une quatrième étape de fonctionnement du dispositif selon l'invention ;
  • la figure 11 est une représentation schématique d'une cinquième étape de fonctionnement du dispositif selon l'invention ;
  • la figure 12 est une représentation schématique d'une sixième étape de fonctionnement du dispositif selon l'invention ;
  • la figure 13 est une représentation schématique d'une septième étape de fonctionnement du dispositif selon l'invention ;
  • la figure 14 est une représentation schématique d'une huitième étape de fonctionnement du dispositif selon l'invention ;
  • la figure 15 est une représentation schématique d'une neuvième étape de fonctionnement du dispositif selon l'invention ; et
  • la figure 16 est une représentation de l'évolution du courant dans le dispositif et de la tension aux bornes du dispositif en fonction du temps pendant les différentes phases de fonctionnement du dispositif selon l'invention.
The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the appended drawings in which:
  • the figure 1 is a schematic representation of a first embodiment of the device according to the invention;
  • the figure 2 is a schematic representation of a breaking module of the device according to the invention;
  • the figure 3 is a schematic representation of a detail of the first embodiment of the device according to the invention;
  • the figure 4 is a schematic representation of a detail of the first embodiment of the device according to the invention in the maximum aperture configuration;
  • the figure 5 is the schematic representation of a second embodiment of the device according to the invention;
  • the figure 6 is the schematic representation of a third embodiment of the device according to the invention;
  • the figure 7 is a schematic representation of a first step of operation of the device according to the invention;
  • the figure 8 is a schematic representation of a second operating step of the device according to the invention;
  • the figure 9 is a schematic representation of a third operating step of the device according to the invention;
  • the figure 10 is a schematic representation of a fourth operating step of the device according to the invention;
  • the figure 11 is a schematic representation of a fifth operating step of the device according to the invention;
  • the figure 12 is a schematic representation of a sixth operating step of the device according to the invention;
  • the figure 13 is a schematic representation of a seventh step of operation of the device according to the invention;
  • the figure 14 is a schematic representation of an eighth operating step of the device according to the invention;
  • the figure 15 is a schematic representation of a ninth operating step of the device according to the invention; and
  • the figure 16 is a representation of the evolution of the current in the device and the voltage across the device as a function of time during the various phases of operation of the device according to the invention.

On a représenté sur la figure 1 un premier mode de réalisation d'un dispositif contacteur-disjoncteur 2 selon l'invention.We have shown on the figure 1 a first embodiment of a contactor-circuit breaker device 2 according to the invention.

Le dispositif 2 comprend un interrupteur mécanique 4 et un module de coupure 6 de courant comprenant notamment un dispositif à semi-conducteur 8. L'interrupteur mécanique 4 comprend deux paires de contacts 10, 12, chaque paire de contacts 10, 12 comprenant un contact fixe 14, 16 et un contact mobile 18, 20.The device 2 comprises a mechanical switch 4 and a current cut-off module 6 including a semiconductor device 8. The switch mechanical 4 comprises two pairs of contacts 10, 12, each pair of contacts 10, 12 comprising a fixed contact 14, 16 and a movable contact 18, 20.

Le dispositif contacteur-disjoncteur 2 est propre à établir ou interrompre le courant circulant dans un circuit électrique 22 relié à une charge telle qu'un moteur. Le circuit électrique 22 est schématisé sur les figures par une ligne électrique L.The contactor-circuit breaker device 2 is able to establish or interrupt the current flowing in an electric circuit 22 connected to a load such as a motor. The electric circuit 22 is schematized in the figures by an electric line L.

Le dispositif contacteur-disjoncteur 2 comprend en outre un organe de support 24 des contacts mobiles 18, 20 et un appareil de mise en mouvement 26 de l'organe de support 24. Il comprend en outre une pièce de butée 28.The contactor-circuit-breaker device 2 further comprises a support member 24 of the movable contacts 18, 20 and a device 26 for moving the support member 24. It further comprises a stop piece 28.

Les contacts fixes 14, 16 des paires 10, 12 de contacts sont disposés en série du circuit électrique 22. Les contacts mobiles 18, 20 des paires 10, 12 de contacts sont reliés mécaniquement et électriquement entre eux par l'intermédiaire de l'organe de support 24.The fixed contacts 14, 16 of the pairs 10, 12 of contacts are arranged in series of the electrical circuit 22. The movable contacts 18, 20 of the pairs 10, 12 of contacts are mechanically and electrically connected to each other via the organ support 24.

Chaque contact fixe 14, 16 et chaque contact mobile 18, 20 d'une même paire 10, 12 de contacts sont disposés en regard l'un de l'autre, de sorte qu'ils sont propres à être mis en contact mécanique et électrique l'un avec l'autre.Each fixed contact 14, 16 and each movable contact 18, 20 of the same pair 10, 12 of contacts are arranged facing one another, so that they are adapted to be placed in mechanical and electrical contact. with each other.

Selon l'invention, l'interrupteur mécanique 4 est mobile en translation selon un axe de translation X et propre à permuter entre une configuration de fermeture du circuit électrique 22 et une configuration d'ouverture du circuit électrique 22. Dans la configuration de fermeture du circuit électrique 22, les contacts fixes 14, 16 et mobiles 18, 20 de chaque paire 10, 12 de contacts sont en contact mécanique de sorte qu'un courant est propre à circuler entre les deux paires 10, 12 de contacts. Dans la configuration d'ouverture du circuit électrique 22, les contacts fixes 14, 16 et mobiles 18, 20 d'au moins une paire 10, 12 sont à distance l'un de l'autre.According to the invention, the mechanical switch 4 is movable in translation along a translation axis X and suitable for switching between a closing configuration of the electric circuit 22 and an opening configuration of the electrical circuit 22. In the closed configuration of the electrical circuit 22, the fixed contacts 14, 16 and movable 18, 20 of each pair 10, 12 of contacts are in mechanical contact so that a current is able to flow between the two pairs 10, 12 of contacts. In the opening configuration of the electric circuit 22, the fixed contacts 14, 16 and movable 18, 20 of at least one pair 10, 12 are spaced apart from each other.

L'interrupteur mécanique 4 est en outre propre à atteindre une configuration d'ouverture maximale. La configuration d'ouverture maximale est représentée sur les figures 4 et 12 et sera décrite plus en détail par la suite.The mechanical switch 4 is further adapted to achieve a maximum opening configuration. The maximum aperture configuration is represented on the figures 4 and 12 and will be described in more detail later.

Le dispositif contacteur-disjoncteur 2 comprend avantageusement un logement 30 et un organe de consignation 31, visibles sur la figure 12. Le logement 30 est propre à recevoir l'organe de consignation 31 de façon à bloquer l'interrupteur 4, et ce exclusivement lorsque l'interrupteur 4 est dans la configuration d'ouverture maximale.The contactor-circuit breaker device 2 advantageously comprises a housing 30 and a recording device 31, visible on the figure 12 . The housing 30 is adapted to receive the recording member 31 so as to block the switch 4, and only when the switch 4 is in the maximum opening configuration.

L'organe de consignation 31 est par exemple un cadenas. Le cadenas 31 relie l'interrupteur mécanique 4 à un support fixe (non représenté) par l'intermédiaire du logement 30, permettant à l'interrupteur mécanique 4 d'être maintenu dans sa configuration d'ouverture maximale.The recording member 31 is for example a padlock. The lock 31 connects the mechanical switch 4 to a fixed support (not shown) via the housing 30, allowing the mechanical switch 4 to be maintained in its maximum opening configuration.

En référence à la figure 2, le module de coupure 6 de courant comprend le dispositif à semi-conducteur 8, un pont de diodes 32, et une varistance 34. De manière avantageuse, le dispositif à semi-conducteur 8, le pont de diodes 32, et la varistance 34 sont connectés en parallèle.With reference to the figure 2 , the current breaking module 6 comprises the semiconductor device 8, a diode bridge 32, and a varistor 34. Advantageously, the semiconductor device 8, the diode bridge 32, and the varistor 34 are connected in parallel.

Le dispositif à semi-conducteur 8 est par exemple un transistor bipolaire à grille isolée 36 (IGBT, de l'anglais « Insulated Gate Bipolar Transistor »). En variante, le dispositif à semi-conducteur 8 est un transistor bipolaire, un MOSFET (de l'anglais « Metal Oxide Semiconductor Field Effect Transistor »), un thyristor GTO (de l'anglais Gate Turn-Off), ou encore un thyristor MCT (de l'anglais « Metal oxyde semiconductor Controlled Thyristor »).The semiconductor device 8 is for example an insulated gate bipolar transistor 36 (IGBT, of the English "Insulated Gate Bipolar Transistor"). Alternatively, the semiconductor device 8 is a bipolar transistor, a MOSFET (Metal Oxide Semiconductor Field Effect Transistor), a thyristor GTO (Gate Turn-Off), or a thyristor MCT (Metal Oxide Semiconductor Controlled Thyristor).

De manière générale, le dispositif à semi-conducteur 8 est blocable et amorçable par la commande, c'est-à-dire qu'il est propre à permuter d'un état passant à un état bloqué de manière commandable.In general, the semiconductor device 8 is lockable and bootable by the control, i.e., it is capable of switching from a switched state to a controllably locked state.

Le module de coupure 6 est ainsi propre à passer d'un état passant, dans lequel un courant circule dans le module de coupure 6, à un état bloqué, dans lequel aucun courant ne circule dans le module de coupure 6.The breaking module 6 is thus able to pass from an on state, in which a current flows in the breaking module 6, to a blocked state, in which no current flows in the breaking module 6.

Lorsque l'interrupteur 4 permute de la configuration de fermeture à la configuration d'ouverture du circuit électrique 22, que le contact mobile 18 et la pièce de butée 28 sont en contact, et qu'un arc électrique apparaît entre le contact mobile 18, 20 et le contact fixe 14, 16 d'au moins une des paires 10, 12, le module de coupure 6 est propre à commuter le courant provenant du circuit électrique 22 vers le module de coupure 6 et à interrompre le courant circulant dans le circuit électrique 22.When the switch 4 switches from the closed configuration to the opening configuration of the electric circuit 22, the movable contact 18 and the abutment piece 28 are in contact, and an electric arc appears between the movable contact 18, 20 and the fixed contact 14, 16 of at least one of the pairs 10, 12, the breaking module 6 is able to switch the current from the electric circuit 22 to the breaking module 6 and to interrupt the current flowing in the circuit electric 22.

Avantageusement et comme visible sur la figure 1, le module de coupure 6 est relié à la pièce de butée 28, par l'intermédiaire d'un conducteur rigide 38.Advantageously and as visible on the figure 1 , the breaking module 6 is connected to the abutment piece 28, via a rigid conductor 38.

L'organe de support 24 est formé d'un bras 42 sur lequel sont disposés les contacts mobiles 18, 20 de chaque paire 10, 12.The support member 24 is formed of an arm 42 on which are disposed the movable contacts 18, 20 of each pair 10, 12.

L'appareil de mise en mouvement 26 comprend une armature 44. L'armature 44 est avantageusement reliée à l'organe de support 24 par l'intermédiaire par exemple d'un module de liaison 46 représenté sur les figures 3 et 4 et qui sera décrit plus en détail par la suite.The movement apparatus 26 comprises an armature 44. The armature 44 is advantageously connected to the support member 24 via, for example, a link module 46 shown on the FIG. figures 3 and 4 and which will be described in more detail later.

L'appareil de mise en mouvement 26 est, par exemple, un électroaimant. L'électroaimant comprend un corps fixe 50 comprenant au moins une bobine (non représentée) et/ou au moins un aimant permanent, et l'armature 44. Dans ce qui suit, l'électroaimant comprend par exemple une seule bobine.The motion apparatus 26 is, for example, an electromagnet. The electromagnet comprises a fixed body 50 comprising at least one coil (not shown) and / or at least one permanent magnet, and the armature 44. In what follows, the electromagnet comprises for example a single coil.

L'armature 44 s'étend suivant l'axe de translation X et est mobile en translation selon l'axe de translation X par rapport au corps fixe 50, sous l'effet du champ magnétique créé par la bobine. L'armature 44 présente donc une trajectoire rectiligne par rapport au corps fixe 50 de l'électroaimant.The armature 44 extends along the translation axis X and is movable in translation along the translation axis X relative to the fixed body 50, under the effect of the magnetic field created by the coil. The armature 44 thus has a rectilinear trajectory with respect to the fixed body 50 of the electromagnet.

La translation de l'armature 44 entraîne ainsi la translation et/ou la rotation de l'organe de support 24 des contacts mobiles 18, 20. En d'autres termes, l'armature 44 est propre à mettre en mouvement de translation et/ou de rotation l'organe de support 24 de façon à ce que l'organe de support 24 permute entre la configuration de fermeture et la configuration d'ouverture du circuit électrique 22.The translation of the armature 44 thus causes the translation and / or rotation of the support member 24 of the movable contacts 18, 20. In other words, the armature 44 is adapted to put in translation movement and / or rotating the support member 24 so that the support member 24 switches between the closure configuration and the opening configuration of the electrical circuit 22.

Selon l'invention, l'organe de support 24 est mobile en translation selon l'axe de translation X. Ainsi, l'organe de support 24 passe de la configuration de fermeture à la configuration d'ouverture par exemple par un mouvement de translation selon l'axe vertical X.According to the invention, the support member 24 is movable in translation along the translation axis X. Thus, the support member 24 moves from the closure configuration to the opening configuration, for example by a translational movement. along the vertical axis X.

Comme visible par exemple sur la figure 1, l'organe de support 24 est en outre de préférence mobile en rotation par rapport à un axe de rotation Y perpendiculaire à la direction de translation de l'organe de support 24, c'est-à-dire perpendiculaire à l'axe de translation X. L'organe de support 24 est ainsi propre à permuter de la configuration de fermeture à la configuration d'ouverture maximale en effectuant, par exemple, une translation selon l'axe vertical X et/ou une rotation par rapport à l'axe de rotation Y.As visible for example on the figure 1 , the support member 24 is furthermore preferably rotatable relative to an axis of rotation Y perpendicular to the direction of translation of the support member 24, that is to say perpendicular to the axis of rotation. translation X. The support member 24 is thus able to switch from the closure configuration to the maximum opening configuration by performing, for example, a translation along the vertical axis X and / or a rotation relative to the rotation axis Y.

Sur les figures 3 et 4, on a représenté plus en détail le module de liaison 46 propre à relier l'organe de support 24 à l'appareil de mise en mouvement 26.On the figures 3 and 4 , the connection module 46 adapted to connect the support member 24 to the movement apparatus 26 is shown in greater detail.

Le module de liaison 46 comprend une paroi latérale 52, une paroi de fond 54 et une paroi supérieure 56. La paroi supérieure 56 est opposée à la paroi de fond 54. Le module de liaison 46 comprend en outre un pivot 58 de basculement de l'organe de support 24 et un organe de rappel 60 de l'organe de support 24 vers l'armature 44, plus précisément vers la paroi supérieure 56, par exemple un ressort.The connection module 46 comprises a side wall 52, a bottom wall 54 and an upper wall 56. The upper wall 56 is opposite to the bottom wall 54. The connection module 46 further comprises a swivel pivot 58 of the support member 24 and a return member 60 of the support member 24 towards the frame 44, more precisely to the upper wall 56, for example a spring.

Le module de liaison 46 comprend en outre un palier d'arrêt A propre à limiter la rotation de l'organe de support 24.The connection module 46 further comprises a stop block A adapted to limit the rotation of the support member 24.

La paroi supérieure 56 est fixée à l'armature 44 et s'étend perpendiculairement à l'axe de translation X.The upper wall 56 is fixed to the armature 44 and extends perpendicularly to the translation axis X.

Le ressort 60 s'étend parallèlement à l'axe de translation X et possède une première extrémité 62 et une deuxième extrémité 64. La première extrémité 62 est reliée à la paroi supérieure 56 du module de liaison 46 et la deuxième extrémité 64 est reliée à l'organe de support 24 en un point d'ancrage P de l'organe de support 24.The spring 60 extends parallel to the translation axis X and has a first end 62 and a second end 64. The first end 62 is connected to the upper wall 56 of the connection module 46 and the second end 64 is connected to the support member 24 at an anchoring point P of the support member 24.

Le pivot 58 s'étend avantageusement parallèlement à l'axe de rotation Y, et fait par exemple saillie à partir de la paroi de fond 54 vers la paroi supérieure 56. Le pivot 58 comprend une arête de repos R qui s'étend de la même façon parallèlement à l'axe de rotation Y. L'organe de support 24 repose sur le pivot 58, plus précisément sur l'arête de repos R de l'organe de support 24.The pivot 58 advantageously extends parallel to the axis of rotation Y, and for example protrudes from the bottom wall 54 to the upper wall 56. The pivot 58 comprises a rest edge R which extends from the same way parallel to the axis of rotation Y. The support member 24 rests on the pivot 58, more precisely on the rest edge R of the support member 24.

De préférence, le point d'ancrage P est situé à distance de l'axe de translation X, c'est-à-dire que le point d'ancrage P est décalé par rapport à l'axe de translation X. De préférence également, le pivot 58 et l'arête de repos R du pivot 58 sont situés sur l'axe de translation X.Preferably, the anchoring point P is located at a distance from the translation axis X, that is to say that the anchoring point P is offset with respect to the translation axis X. Preferably also , the pivot 58 and the rest edge R of the pivot 58 are located on the translation axis X.

Sur la figure 3, l'interrupteur 4 est dans la configuration d'ouverture et sur la figure 4, l'interrupteur est dans la configuration d'ouverture maximale.On the figure 3 , the switch 4 is in the opening configuration and on the figure 4 , the switch is in the maximum aperture configuration.

Comme indiqué plus haut et comme représenté sur les figures 4 et 12, l'interrupteur mécanique 4 est propre à atteindre une configuration d'ouverture maximale. Dans la configuration d'ouverture maximale, le contact fixe 14 et le contact mobile 18 d'une première paire 10 parmi les paires 10, 12, dite paire 10 de coupure, sont à une distance maximale dc, dite distance de coupure dc, l'un de l'autre. Le contact mobile 18 de la paire 10 de coupure est alors en contact mécanique avec la pièce de butée 28. Le contact fixe 16 et le contact mobile 20 de la deuxième paire 12 de contacts, dite paire 12 de sectionnement, sont à une distance maximale ds, dite distance de sectionnement ds, l'un de l'autre.As indicated above and as shown on the figures 4 and 12 , the mechanical switch 4 is able to reach a maximum opening configuration. In the maximum opening configuration, the fixed contact 14 and movable contact 18 of a first pair 10 from the pairs 10, 12, 10 of said cut pair, are at a maximum distance d c, said cutoff distance d c , one of the other. The movable contact 18 of the breaking pair 10 is then in mechanical contact with the abutment piece 28. The fixed contact 16 and the movable contact 20 of the second pair 12 of contacts, said sectioning pair 12, are at a maximum distance d s , said sectioning distance d s , one of the other.

La caractéristique selon laquelle l'organe de support 24 est mobile en rotation présente l'avantage de ne pas avoir à faire en sorte que la course maximale de l'électroaimant 46 soit égale à la distance de sectionnement, ce qui serait particulièrement coûteux.The characteristic that the support member 24 is rotatable has the advantage of not having to ensure that the maximum stroke of the electromagnet 46 is equal to the disconnection distance, which would be particularly expensive.

Selon l'invention, la distance de sectionnement ds est supérieure à la distance de coupure dc. En effet, la distance de sectionnement ds doit être particulièrement importante pour permettre un sectionnement efficace et fiable du circuit électrique 22.According to the invention, the sectioning distance d s is greater than the breaking distance d c . Indeed, the disconnection distance d s must be particularly important to allow efficient and reliable isolation of the electrical circuit 22.

La distance de sectionnement ds est comprise entre 1 mm et 12 mm, de préférence comprise entre 5 et 9 mm, et en particulier égale à 6 mm.The disconnection distance d s is between 1 mm and 12 mm, preferably between 5 and 9 mm, and in particular equal to 6 mm.

La distance de coupure dc est comprise entre 0.1 mm et 3 mm, et en particulier égale à 1 mm.The cut-off distance d c is between 0.1 mm and 3 mm, and in particular equal to 1 mm.

En outre, la distance que parcourt le contact mobile 18 entre la configuration de fermeture et la configuration d'ouverture maximale est comprise entre 0.2 mm et 1.5 mm.In addition, the distance traveled by the movable contact 18 between the closure configuration and the maximum opening configuration is between 0.2 mm and 1.5 mm.

Selon l'invention, le module de coupure 6 est connecté en parallèle à la paire 10 de contacts dans laquelle la distance entre le contact mobile 18 et le contact fixe 14 est la plus petite lorsque l'interrupteur 4 est dans la configuration d'ouverture maximale. En d'autres termes, le module de coupure 6 est connecté en parallèle à la paire 10 de coupure. Une ouverture rapide de l'interrupteur mécanique 4 et par conséquent une commutation rapide du courant de défaut depuis le circuit électrique 22 vers le module de coupure 6 est ainsi assurée.According to the invention, the breaking module 6 is connected in parallel with the pair of contacts in which the distance between the movable contact 18 and the fixed contact 14 is the smallest when the switch 4 is in the opening configuration. Max. In other words, the cutoff module 6 is connected in parallel with the cutoff pair. A rapid opening of the mechanical switch 4 and therefore rapid switching of the fault current from the electrical circuit 22 to the breaking module 6 is ensured.

Avantageusement, et comme visible par exemple sur la figure 1, les contacts mobiles 18, 20 sont situés de part et d'autre et à égale distance de l'axe de rotation Y.Advantageously, and as visible for example on the figure 1 , the movable contacts 18, 20 are located on either side and equidistant from the axis of rotation Y.

La pièce de butée 28 est propre à stopper le mouvement de translation et/ou de rotation de l'organe de support 24 lorsque l'interrupteur 4 atteint la configuration d'ouverture maximale. De préférence, la pièce de butée 28 est disposée en regard du contact mobile 18 de la paire 10 de coupure, du côté du contact mobile 18 opposé au contact fixe 14 correspondant de la même paire 10 de coupure.The abutment piece 28 is able to stop the translation and / or rotation movement of the support member 24 when the switch 4 reaches the maximum opening configuration. Preferably, the abutment piece 28 is disposed facing the movable contact 18 of the cutoff pair 10, on the side of the movable contact 18 opposite the corresponding fixed contact 14 of the same cutoff pair.

Ainsi, la pièce de butée 28 est propre à être mise en contact avec le contact mobile 18 de la paire 10 de contacts dans laquelle la distance qui sépare le contact mobile 18 et le contact fixe 14 est la plus petite lorsque l'interrupteur mécanique 4 est dans sa configuration d'ouverture maximale.Thus, the abutment piece 28 is adapted to be brought into contact with the movable contact 18 of the pair of contacts in which the distance between the movable contact 18 and the fixed contact 14 is the smallest when the mechanical switch 4 is in its maximum aperture configuration.

Un deuxième mode de réalisation du dispositif 102 selon l'invention est représenté sur la figure 5.A second embodiment of the device 102 according to the invention is represented on the figure 5 .

A la différence du premier mode de réalisation du dispositif 2, le module de coupure 6 est relié à l'organe de support 24, par l'intermédiaire d'une tresse métallique 66. Le module de coupure 6 est alors relié à l'organe de support 24 et donc aux contacts mobiles 14, 18 en permanence, que l'interrupteur soit dans la configuration de fermeture, d'ouverture ou d'ouverture maximale.Unlike the first embodiment of the device 2, the cut-off module 6 is connected to the support member 24, via a metal braid 66. The cut-off module 6 is then connected to the device 24 and therefore to the movable contacts 14, 18 at all times, that the switch is in the configuration of closing, opening or maximum opening.

Un troisième mode de réalisation du dispositif 202 selon l'invention est représenté sur la figure 6.A third embodiment of the device 202 according to the invention is represented on the figure 6 .

A la différence du premier mode de réalisation du dispositif 2, les contacts mobiles sont situés du même côté de l'axe de rotation Y de l'organe de support 24. En outre, l'organe de support 24 comprend un élément de liaison électrique 68. L'élément de liaison électrique 68 est situé du côté opposé au côté des contacts mobiles 18, 20. L'élément de liaison électrique 68 est propre à être mis en contact avec la pièce de butée 28.Unlike the first embodiment of the device 2, the movable contacts are located on the same side of the axis of rotation Y of the support member 24. In addition, the support member 24 comprises an electrical connection element 68. The electrical connecting element 68 is located on the opposite side to the side of the movable contacts 18, 20. The electrical connecting element 68 is able to be brought into contact with the abutment piece 28.

Le fonctionnement du premier mode de réalisation du dispositif contacteur-disjoncteur 2 selon l'invention va maintenant être décrit en référence aux figures 7 à 15 et en référence à la figure 16.The operation of the first embodiment of the contactor-circuit breaker device 2 according to the invention will now be described with reference to the Figures 7 to 15 and with reference to the figure 16 .

Sur les figures 7 à 12, on a représenté les étapes successives de fonctionnement du dispositif 2 selon l'invention lorsqu'il exerce sa fonction de déconnecteur et sur les figures 13 à 15, on a représenté les étapes successives de fonctionnement du dispositif 2 selon l'invention lorsqu'il exerce sa fonction de connecteur.On the Figures 7 to 12 , the successive steps of operation of the device 2 according to the invention are shown when it performs its function as a disconnector and on the Figures 13 to 15 , the successive steps of operation of the device 2 according to the invention are shown when it performs its function of connector.

Sur la figure 16, on a représenté l'évolution du courant dans le dispositif 2 et de la tension aux bornes du dispositif 2 en fonction du temps. Les différents états du dispositif 2 représentés sur les figures 7 à 15 pendant le fonctionnement du dispositif 2 correspondent respectivement aux parties VII à XV de la figure 16.On the figure 16 the evolution of the current in the device 2 and the voltage across the device 2 as a function of time are shown. The different states of the device 2 represented on the Figures 7 to 15 during the operation of the device 2 correspond respectively to parts VII to XV of the figure 16 .

Plus précisément, la courbe A représente l'évolution du courant circulant dans le module de coupure 6, la courbe B représente l'évolution du courant passant par les contacts 14, 18 de la paire 10 de coupure, la courbe C représente l'évolution du courant passant par les contacts 16, 20 de la paire 12 de sectionnement, et la courbe D représente l'évolution de la tension aux bornes du dispositif 2.More precisely, the curve A represents the evolution of the current flowing in the breaking module 6, the curve B represents the evolution of the current passing through the contacts 14, 18 of the cut-off pair, the curve C represents the evolution current passing through the contacts 16, 20 of the sectioning pair 12, and the curve D represents the evolution of the voltage across the device 2.

Pour une meilleure lisibilité de la figure 16, les courbes A et B sont décalées verticalement par rapport à la courbe C.For a better readability of the figure 16 , the curves A and B are offset vertically with respect to the curve C.

En position fermée, l'interrupteur mécanique 4 est dans sa configuration de conduction métallique, c'est-à-dire que les contacts fixes 14, 16 et mobiles 18, 20 de chaque paire 10, 12 sont en contact mécanique. Cette phase de fonctionnement est représentée sur la figure 7. Aucun courant ne circule dans le module de coupure 6, comme visible dans la partie VII de la figure 16. En position fermée, le module de coupure 6 est indifféremment à l'état bloqué ou passant.In the closed position, the mechanical switch 4 is in its metallic conduction configuration, that is to say that the fixed contacts 14, 16 and movable 18, 20 of each pair 10, 12 are in mechanical contact. This phase of operation is represented on the figure 7 . No current flows in the breaking module 6, as can be seen in Part VII of the figure 16 . In the closed position, the breaking module 6 is indifferently in the off or on state.

Lors d'une d'ouverture, provoquée par la protection automatique (cas du disjoncteur), à la suite de l'apparition d'un courant de défaut dans le circuit électrique 22, ou encore provoquée par une commande d'ouverture (cas du contacteur), l'appareil de mise en mouvement 26 met en mouvement l'organe de support 24.During an opening, caused by the automatic protection (case of the circuit breaker), following the appearance of a fault current in the electric circuit 22, or caused by an opening command (case of contactor), the moving apparatus 26 sets the support member 24 in motion.

L'organe du support 24 est mis en mouvement par l'intermédiaire de l'armature 44 de façon à ce que l'interrupteur mécanique 4 passe de la configuration de fermeture à la configuration d'ouverture dans laquelle les contacts mobiles 18, 20 et les contacts fixes 14, 16 des paires 10,12 de contacts sont séparés par une distance non nulle. Au moins un arc électrique apparaît alors entre un au moins des contacts mobiles 18, 20 et un au moins des contacts fixes 14, 16 des paires 10, 12. Cette phase de fonctionnement est représentée sur la figure 8.The support member 24 is moved through the armature 44 so that the mechanical switch 4 moves from the closure configuration to the opening configuration in which the movable contacts 18, 20 and the fixed contacts 14, 16 of the pairs 10, 12 of contacts are separated by a non-zero distance. At least one electric arc then appears between at least one of the movable contacts 18, 20 and at least one of the fixed contacts 14, 16 of the pairs 10, 12. This operating phase is represented on the figure 8 .

Comme visible sur la partie VIII de la figure 16, une tension d'arc Varc apparaît alors entre chaque contact mobile 18, 20 et chaque contact fixe 14, 16 lors de leur séparation. La tension aux bornes du dispositif 2 est alors égale à 2*Varc et correspond aux arcs électriques présents dans chaque paire 10, 12 de contacts. Le dispositif 2 continue de conduire le courant du circuit électrique 22. Comme visible sur la partie VIII de la figure 16, aucun courant ne circule dans le module de coupure 6, le module doit être amorcé, autrement dit commandé passant, de sorte à permettre le transfert du courant dès que le contact mobile 18 et la pièce de butée 28 sont en contact.As visible on Part VIII of the figure 16 , an arc voltage V arc then appears between each movable contact 18, 20 and each fixed contact 14, 16 during their separation. The voltage across the device 2 is then equal to 2 * V arc and corresponds to the arcs present in each pair 10, 12 of contacts. The device 2 continues to conduct the current of the electric circuit 22. As visible on the part VIII of the figure 16 no current flows in the breaking module 6, the module must be initiated, in other words so-called, so as to allow the transfer of the current as soon as the movable contact 18 and the abutment piece 28 are in contact.

Ensuite, l'organe de support 24 continue sa course rectiligne jusqu'à ce que le contact mobile 18 de la paire 10 de coupure soit en contact avec la pièce de butée 28. Cette configuration est représentée sur la figure 9, et correspond à la partie IX de la figure 16. Au début de cette phase de fonctionnement, le dispositif à semi-conducteur 8 est rendu passant, de sorte qu'un courant commence à circuler progressivement dans le module de coupure 6. Le dispositif à semi-conducteur 8 est dimensionné pour présenter une tension VON inférieure à Varc. L'arc électrique situé dans la paire 10 de coupure permet au courant qui circule dans le circuit électrique 22 de commuter progressivement vers le module de coupure 6, le dispositif à semi-conducteur 8 étant dans un état passant permettant au courant de circuler dans le module de coupure 6. Le courant de défaut passant initialement dans le circuit électrique 22 est progressivement commuté vers le module de coupure 6 connecté en parallèle à la paire 10 de coupure, par l'intermédiaire de la pièce de butée 28. En variante, le dispositif à semi-conducteur 8 est rendu passant dès la phase de fonctionnement représentée sur la figure 8 et la partie VIII de la figure 16.Then, the support member 24 continues its rectilinear stroke until the movable contact 18 of the cutoff pair 10 is in contact with the abutment piece 28. This configuration is shown in FIG. figure 9 , and corresponds to Part IX of the figure 16 . At the beginning of this operating phase, the semiconductor device 8 is The semiconductor device 8 is dimensioned to present a voltage V ON less than V arc . The electric arc located in the cut-off pair 10 allows the current flowing in the electric circuit 22 to switch gradually towards the breaking module 6, the semiconductor device 8 being in an on state allowing the current to flow in the circuit. cutoff module 6. The fault current initially flowing in the electric circuit 22 is progressively switched to the breaking module 6 connected in parallel with the cut-off pair 10, via the stop piece 28. As a variant, the semiconductor device 8 is turned on from the operating phase shown in FIG. figure 8 and Part VIII of the figure 16 .

A la fin de cette phase de fonctionnement et comme visible dans la partie X de la figure 16, le courant est entièrement commuté dans le module de coupure 6, et l'arc électrique de la paire 10 de coupure s'éteint. La tension aux bornes du dispositif 2, pendant cette phase de fonctionnement représentée dans la partie X de la figure 16, est égale à Varc + VON.At the end of this phase of operation and as visible in part X of the figure 16 , the current is fully switched in the breaking module 6, and the electric arc of the cutoff pair 10 goes out. The voltage at the terminals of the device 2, during this operating phase represented in part X of the figure 16 , is equal to V arc + V ON .

Ensuite, comme visible sur les figures 11 et 12 et dans les parties XI et XII de la figure 16, l'organe de support 24 effectue une rotation autour de l'axe de rotation Y. La rotation de l'organe de support 24 est consécutive à la course de l'armature 44 excédant la cote de butée du contact 18 sur la pièce 28. En effet, la pièce de butée 28 est propre à entraîner un mouvement de rotation complémentaire au mouvement de translation, de façon à ce que l'interrupteur 4 présente, dans la configuration d'ouverture maximale, une ouverture maximale supérieure à la course de l'appareil de mise en mouvement 26. Ainsi, l'interrupteur 4 passe dans la configuration d'ouverture maximale, c'est-à-dire que les contacts 16, 20 de la paire 12 de sectionnement sont séparés de la distance de sectionnement ds pour laquelle aucun courant ne peut plus circuler entre les deux contacts 16, 20.Then, as visible on Figures 11 and 12 and in Parts XI and XII of the figure 16 , the support member 24 rotates about the axis of rotation Y. The rotation of the support member 24 is consecutive to the travel of the armature 44 exceeding the abutment dimension of the contact 18 on the part 28 Indeed, the abutment piece 28 is able to cause a rotational movement complementary to the translational movement, so that the switch 4 has, in the maximum opening configuration, a maximum opening greater than the travel of Thus, the switch 4 switches to the maximum open configuration, i.e. the contacts 16, 20 of the sectioning pair 12 are separated from the disconnection distance. d s for which no current can not flow between the two contacts 16, 20.

Au début de la phase XI, le dispositif à semi-conducteur 8 est bloqué de façon à forcer le passage du courant dans la varistance 34. La varistance 34 présente une tension Vvar à ses bornes. Le courant dans le dispositif 2 décroît rapidement comme représenté dans la partie XI de la figure 16, jusqu'à devenir nul, comme représenté dans la partie XII de la figure 16. Pendant la phase XI, la tension aux bornes du dispositif est égale à Varc + Vvar. Pendant la phase XII, comme le courant dans le circuit 22 est nul, la tension aux bornes du dispositif est égale à la tension d'alimentation aux bornes de la charge.
En référence à la figure 12, le dispositif 2 se trouve dans la configuration d'ouverture maximale assurant le sectionnement. Le dispositif 2 est alors par exemple bloqué dans cette configuration d'ouverture maximale par l'intermédiaire de l'organe de consignation 31 reçu dans le logement 30. Le dispositif 2 est alors verrouillé en position ouvert. Cette consignation permet d'assurer la sécurité des personnes en aval du dispositif lors d'interventions humaines.At the beginning of phase XI, the semiconductor device 8 is blocked so as to force the passage of the current in the varistor 34. The varistor 34 has a voltage V var at its terminals. The current in the device 2 decreases rapidly as shown in part XI of the figure 16 until it becomes null, as shown in Part XII of the figure 16 . During phase XI, the voltage across the device is equal to V arc + V var . During phase XII, since the current in circuit 22 is zero, the voltage across the device is equal to the supply voltage across the load.
With reference to the figure 12 , the device 2 is in the maximum opening configuration ensuring sectioning. The device 2 is then for example blocked in this maximum opening configuration via the logger 31 received in the housing 30. The device 2 is then locked in the open position. This consignment ensures the safety of people downstream of the device during human interventions.

Le fonctionnement du dispositif 2 en fermeture, c'est-à-dire la fermeture du dispositif 2 lors du renclenchement du disjoncteur ou la fermeture du contacteur se déroule de la façon décrite ci-après, en référence aux figures 13 à 15 et à la figure 16.The operation of the device 2 closing, that is to say the closure of the device 2 when the circuit breaker is tripped or the contactor closes, is carried out as described below, with reference to FIGS. Figures 13 to 15 and at the figure 16 .

Pour autoriser la fermeture du dispositif 2, il est nécessaire de retirer l'organe de consignation 31. Lors de la fermeture, le dispositif 2 est, à l'état initial, dans la configuration représentée sur la figure 12.To authorize the closure of the device 2, it is necessary to remove the locking member 31. When closing, the device 2 is, in the initial state, in the configuration shown in FIG. figure 12 .

Puis, l'organe de support 24 est mis en mouvement de façon à mettre en contact les contacts 16, 20 de la paire 12 de sectionnement. Cette phase de fonctionnement correspond à la figure 13 et à la partie XIII de la figure 16. Le dispositif à semi-conducteur 8 est encore à l'état bloqué, aucun courant ne circule donc dans le dispositif 2.Then, the support member 24 is moved so as to contact the contacts 16, 20 of the pair 12 of sectioning. This phase of operation corresponds to the figure 13 and in Part XIII of the figure 16 . The semiconductor device 8 is still in the off state, so no current flows in the device 2.

Une fois seulement que les contacts 16, 20 de la paire 12 de sectionnement sont mis en contact, le dispositif à semi-conducteur 8 est rendu passant, de sorte que le courant est rétabli dans le dispositif 2. Cette phase correspond à la partie XIII' de la figure 16. La tension aux bornes du dispositif 2 est égale à VON. De cette façon, aucun arc électrique n'apparaît entre les contacts 16, 20 de la paire 12 de sectionnement.Once only the contacts 16, 20 of the sectioning pair 12 are brought into contact, the semiconductor device 8 is turned on, so that the current is restored in the device 2. This phase corresponds to the part XIII ' of the figure 16 . The voltage across the device 2 is equal to V ON . In this way, no electric arc appears between the contacts 16, 20 of the sectioning pair 12.

Ensuite, comme visible sur la figure 14, le contact mobile 18 s'écarte de la pièce de butée 28. Un arc apparaît entre la pièce de butée 28 et le contact mobile 18. Le contact mobile 18 s'écarte de la pièce de butée 28 en direction du contact fixe 14. La tension aux bornes du dispositif 2 vaut alors VON+Varc, comme représenté dans la phase XIV sur la figure 16.Then, as visible on the figure 14 the moving contact 18 moves away from the abutment piece 28. An arc appears between the stop piece 28 and the movable contact 18. The movable contact 18 moves away from the abutment piece 28 towards the fixed contact 14. The voltage across the device 2 is then V ON + V arc , as represented in phase XIV on the figure 16 .

Finalement, le contact mobile 18 continue sa course jusqu'à être accolé au contact fixe 14. Dès que le contact mobile 18 et le contact fixe 14 sont accolés, et comme visible dans la partie XV de la figure 16, le courant commence à décroître dans le module de coupure 6. La tension aux bornes du dispositif 2 durant la phase XV, lorsque le courant est encore non nul, est nulle.Finally, the movable contact 18 continues its course to be joined to the fixed contact 14. As soon as the movable contact 18 and the fixed contact 14 are contiguous, and as visible in the part XV of the figure 16 , the current begins to decrease in the breaking module 6. The voltage across the device 2 during phase XV, when the current is still non-zero, is zero.

Le courant circulant dans le dispositif 6 décroit jusqu'à être nul. Le courant est alors totalement transféré vers une conduction métallique.The current flowing in the device 6 decreases to zero. The current is then totally transferred to a metallic conduction.

Le dispositif 2 se retrouve alors dans la configuration représentée sur la figure 7 et dans la phase VII de la figure 16.The device 2 is then found in the configuration represented on the figure 7 and in phase VII of the figure 16 .

Le dispositif 2 est fermé, le courant circule dans le circuit électrique 22 et ne circule plus dans le module de coupure 6.The device 2 is closed, the current flows in the electric circuit 22 and no longer circulates in the breaking module 6.

Ce mode de fonctionnement permet ainsi de préserver les contacts 16, 20 de la paire 12 de sectionnement de l'érosion due aux arcs électriques, et d'améliorer l'endurance électrique du dispositif selon l'invention.This mode of operation thus makes it possible to preserve the contacts 16, 20 of the sectioning pair 12 of the erosion due to the electric arcs, and to improve the electrical endurance of the device according to the invention.

Le fonctionnement du deuxième mode de réalisation du dispositif 102 est analogue au fonctionnement du premier mode de réalisation du dispositif 2, à la différence que le module de coupure 6 est en permanence connecté à l'organe de support 24.The operation of the second embodiment of the device 102 is similar to the operation of the first embodiment of the device 2, with the difference that the cut-off module 6 is permanently connected to the support member 24.

Le fonctionnement du troisième mode de réalisation du dispositif 202 est analogue au fonctionnement du premier mode de réalisation du dispositif 2, à la différence que dans la configuration d'ouverture maximale, la pièce de butée 28 est en contact mécanique avec l'élément de liaison électrique 68. Ainsi, dans la configuration d'ouverture maximale, le contact mobile 18 et la pièce de butée 28 sont en contact électrique par l'intermédiaire de l'organe de support 24 et l'élément de liaison électrique 68. La position de la pièce de butée 28 peut être optimisée afin de réduire au minimum la durée d'arc entre les contacts 14, 18 de la paire 10 de coupure. La pièce de butée 28 et l'élément de liaison électrique 68 sont par exemple en contact permanent.The operation of the third embodiment of the device 202 is similar to the operation of the first embodiment of the device 2, with the difference that in the maximum aperture configuration, the abutment piece 28 is in mechanical contact with the connecting element Thus, in the maximum aperture configuration, the movable contact 18 and the abutment piece 28 are in electrical contact via the support member 24 and the electrical connection element 68. The position of the abutment piece 28 can be optimized to minimize the arc duration between the contacts 14, 18 of the breaking pair. The abutment piece 28 and the electrical connection element 68 are for example in permanent contact.

Ainsi, le dispositif contacteur-disjoncteur selon l'invention permet, grâce à la mobilité en translation et/ou en rotation de l'organe de support 24, d'être mis en oeuvre sur des contacteurs-disjoncteurs de l'état de la technique de manière aisée. Le dispositif selon l'invention permet d'obtenir une phase d'ouverture rapide et par conséquent d'obtenir une commutation rapide et efficace du courant lors de l'apparition d'un courant de défaut dans le circuit électrique 22.Thus, the contactor-circuit breaker device according to the invention makes it possible, thanks to the mobility in translation and / or in rotation of the support member 24, to be implemented on contactors-breakers of the state of the art. in an easy way. The device according to the invention makes it possible to obtain a fast opening phase and consequently to obtain a fast and efficient switching of the current when a fault current appears in the electric circuit 22.

Claims (15)

Dispositif contacteur-disjoncteur (2, 102, 202), comprenant : - un interrupteur mécanique (4) comprenant au moins deux paires de contacts (10, 12), chaque paire de contacts (10, 12) comprenant un contact fixe (14, 16) et un contact mobile (18, 20) propres à être mis en contact, les contacts fixes (14, 16) étant connectés en série d'un circuit électrique (22), l'interrupteur mécanique (4) étant propre à permuter entre une configuration de fermeture du circuit électrique (22) dans laquelle les contacts fixe (14, 16) et mobile (18, 20) de chaque paire de contacts (10, 12) sont en contact mécanique et une configuration d'ouverture du circuit électrique (22) dans laquelle les contacts fixe (14, 16) et mobile (18, 20) d'au moins une paire de contacts (10, 12) sont à distance l'un de l'autre ; - un organe de support (24) des contacts mobiles (18, 20) ; et - un module de coupure (6) de courant comprenant un dispositif à semi-conducteur (8), le module de coupure (6) étant connecté en parallèle à une des paires de contacts (10, 12) lorsque l'interrupteur (4) est en configuration d'ouverture et étant propre à, lorsque l'interrupteur (4) est dans la configuration d'ouverture et qu'un arc électrique apparaît dans au moins une des paire de contacts (10, 12), commuter le courant depuis le circuit électrique (22) vers le module de coupure (6) et interrompre le courant circulant dans le circuit électrique (22), caractérisé en ce qu'il comporte en outre un appareil de mise en mouvement (26) de l'organe de support (24) comprenant une armature (44), l'appareil de mise en mouvement (26) étant propre à mettre en mouvement de translation l'armature (44) de façon à ce que l'organe de support (24) permute entre la configuration de fermeture et la configuration d'ouverture du circuit électrique (22) par un mouvement de translation et/ou de rotation.Contactor-circuit breaker device (2, 102, 202), comprising: - a mechanical switch (4) comprising at least two pairs of contacts (10, 12), each pair of contacts (10, 12) comprising a fixed contact (14, 16) and a movable contact (18, 20) suitable for being contacted, the fixed contacts (14, 16) being connected in series with an electric circuit (22), the mechanical switch (4) being adapted to switch between a closed configuration of the electrical circuit (22) in which the fixed (14, 16) and movable contacts (18, 20) of each pair of contacts (10, 12) are in mechanical contact and an opening configuration of the electrical circuit (22) in which the fixed contacts (14, 16) and mobile (18, 20) at least one pair of contacts (10, 12) are spaced from each other; a support member (24) for the movable contacts (18, 20); and a current breaking module (6) comprising a semiconductor device (8), the breaking module (6) being connected in parallel with one of the pairs of contacts (10, 12) when the switch (4) is in the open configuration and being adapted to, when the switch (4) is in the open configuration and an electric arc occurs in at least one of the pair of contacts (10, 12), switching the current from the electric circuit (22) towards the breaking module (6) and interrupting the current flowing in the electric circuit (22), characterized in that it further comprises a moving apparatus (26) of the support member (24) comprising an armature (44), the moving apparatus (26) being adapted to put in motion for translating the armature (44) so that the support member (24) is rotated between the closure configuration and the opening configuration of the electrical circuit (22) by translational and / or rotational movement. Dispositif (2, 102, 202) selon la revendication 1, caractérisé en ce que l'interrupteur (4) est propre à atteindre une configuration d'ouverture maximale et en ce que le dispositif (2) comporte une pièce de butée (28) propre à stopper le mouvement de translation et/ou de rotation de l'organe de support (24) lorsque l'interrupteur (4) atteint la configuration d'ouverture maximale.Device (2, 102, 202) according to claim 1, characterized in that the switch (4) is able to reach a maximum opening configuration and in that the device (2) comprises a stop piece (28) adapted to stop the translation and / or rotation movement of the support member (24) when the switch (4) reaches the maximum opening configuration. Dispositif (2, 102, 202) selon la revendication 2, caractérisé en ce que la pièce de butée (28) est propre à entraîner un mouvement de rotation complémentaire au mouvement de translation, de façon à ce que l'interrupteur (4) présente, dans la configuration d'ouverture maximale, une ouverture maximale supérieure à la course de l'appareil de mise en mouvement (26).Device (2, 102, 202) according to claim 2, characterized in that the abutment piece (28) is adapted to cause a rotational movement complementary to the translational movement, so that the switch (4) presents , in the maximum opening configuration, a maximum opening greater than the travel of the moving apparatus (26). Dispositif (2, 102, 202) selon l'une des revendications 1 à 3, caractérisé en ce que l'organe de support (24) est mobile en translation par rapport à un axe de translation (X) et en rotation par rapport à un axe de rotation (Y), l'axe de rotation (Y) étant perpendiculaire à l'axe de translation (X).Device (2, 102, 202) according to one of claims 1 to 3, characterized in that the support member (24) is movable in translation relative to a translation axis (X) and in rotation with respect to an axis of rotation (Y), the axis of rotation (Y) being perpendicular to the translation axis (X). Dispositif (2, 102, 202) selon l'une des revendications 2 à 4, caractérisé en ce que, lorsque l'interrupteur (4) est dans sa configuration d'ouverture maximale, la distance entre chaque contact fixe (14, 16) et chaque contact mobile (18, 20) est différente pour chaque paire de contacts (10, 12), et en ce que le module de coupure (6) est connecté en parallèle à la paire de contacts (10) dans laquelle la distance entre le contact mobile (18) et le contact fixe (14) est la plus petite.Device (2, 102, 202) according to one of Claims 2 to 4, characterized in that , when the switch (4) is in its maximum opening configuration, the distance between each fixed contact (14, 16) and each movable contact (18, 20) is different for each pair of contacts (10, 12), and in that the breaking module (6) is connected in parallel with the pair of contacts (10) in which the distance between the movable contact (18) and the fixed contact (14) are the smallest. Dispositif (2, 102, 202) selon l'une quelconque des revendications 2 à 5, caractérisé en ce que la pièce de butée (28) est propre à être mise en contact avec le contact mobile (18) de la paire (10) dans laquelle la distance entre le contact mobile (18) et le contact fixe (14) est la plus petite lorsque l'interrupteur (4) est dans sa configuration d'ouverture maximale, le module de coupure (6) étant relié à la pièce de butée (28).Device (2, 102, 202) according to one of Claims 2 to 5, characterized in that the abutment piece (28) is adapted to be brought into contact with the movable contact (18) of the pair (10) in which the distance between the movable contact (18) and the fixed contact (14) is the smallest when the switch (4) is in its maximum opening configuration, the cutoff module (6) being connected to the workpiece stop (28). Dispositif (2, 202) selon l'une quelconque des revendications 2 à 6, caractérisé en ce que le module de coupure (6) est relié à la pièce de butée (28) par l'intermédiaire d'un conducteur rigide (38).Device (2, 202) according to one of Claims 2 to 6, characterized in that the breaking module (6) is connected to the stop piece (28) via a rigid conductor (38) . Dispositif (2, 102) selon l'une des revendications 4 à 7, caractérisé en ce que les contacts mobiles sont situés de part et d'autre de l'axe de rotation (Y).Device (2, 102) according to one of claims 4 to 7, characterized in that the movable contacts are located on either side of the axis of rotation (Y). Dispositif (2, 102) selon la revendication 8, caractérisé en ce que les contacts mobiles sont situés à égale distance de l'axe de rotation (Y).Device (2, 102) according to claim 8, characterized in that the movable contacts are located equidistant from the axis of rotation (Y). Dispositif (202) selon l'une des revendications 4 à 7, caractérisé en ce qu'il comprend un élément de liaison électrique (68), et en ce que les contacts mobiles (18, 20) sont situés du même côté de l'axe de rotation (Y).Device (202) according to one of claims 4 to 7, characterized in that it comprises an electrical connection element (68), and in that the movable contacts (18, 20) are situated on the same side of the rotation axis (Y). Dispositif (202) selon l'une des revendications 2 à 10, caractérisé en ce que la pièce de butée (28) est en contact permanent avec l'élément de liaison électrique (68).Device (202) according to one of claims 2 to 10, characterized in that the abutment piece (28) is in permanent contact with the electrical connection element (68). Dispositif (2, 102) selon l'une des revendications 4 à 11, caractérisé en ce que l'appareil de mise en mouvement (26) comprend un module de liaison (46) propre à relier l'organe de support (24) à l'armature (44), le module de liaison (46) comprenant un pivot (58) de basculement de l'organe de support (24) et un organe de rappel (60) de l'organe de support (24) vers l'armature (44), le pivot (58) étant situé dans l'axe de translation (X) et l'organe de rappel (60) étant situé à distance de l'axe de translation (X).Device (2, 102) according to one of Claims 4 to 11, characterized in that the moving device (26) comprises a connection module (46) suitable for connecting the support member (24) to the armature (44), the link module (46) comprising a tilting pivot (58) of the support member (24) and a return member (60) of the support member (24) towards the armature (44), the pivot (58) being located in the translation axis (X) and the return member (60) being located at a distance from the translation axis (X). Dispositif (2, 102) selon la revendication 12, caractérisé en ce que le module de liaison (46) comprend un palier d'arrêt (A) propre à limiter la rotation de l'organe de support (24).Device (2, 102) according to claim 12, characterized in that the connecting module (46) comprises a stop bearing (A) adapted to limit the rotation of the support member (24). Dispositif (2, 102, 202) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'appareil de mise en mouvement (26) est un électroaimant.Device (2, 102, 202) according to one of the preceding claims, characterized in that the moving device (26) is an electromagnet. Dispositif (2, 102, 202) selon l'une quelconque des revendications 2 à 14, caractérisé en ce que le dispositif (2) comprend un logement (30) et un organe de consignation (31), le logement étant propre à recevoir l'organe de consignation (31) de façon à bloquer l'interrupteur (4) exclusivement dans la configuration d'ouverture maximale.Device (2, 102, 202) according to any one of claims 2 to 14, characterized in that the device (2) comprises a housing (30) and a recording device (31), the housing being adapted to receive the locking member (31) so as to lock the switch (4) exclusively in the maximum opening configuration.
EP13197642.5A 2012-12-20 2013-12-17 Relay switch device Active EP2747103B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1262442A FR3000284B1 (en) 2012-12-20 2012-12-20 CONTACTOR-BREAKER DEVICE

Publications (2)

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EP2747103A1 true EP2747103A1 (en) 2014-06-25
EP2747103B1 EP2747103B1 (en) 2017-05-10

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EP13197642.5A Active EP2747103B1 (en) 2012-12-20 2013-12-17 Relay switch device

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US (1) US9508500B2 (en)
EP (1) EP2747103B1 (en)
CN (1) CN103887122B (en)
ES (1) ES2636591T3 (en)
FR (1) FR3000284B1 (en)

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Publication number Priority date Publication date Assignee Title
WO2017059910A1 (en) 2015-10-08 2017-04-13 Abb Schweiz Ag Switching device
FR3067165A1 (en) * 2017-05-30 2018-12-07 Leach International Europe HYBRIDIZATION SYSTEM FOR HIGH VOLTAGE CONTINUOUS CURRENT
GB201820592D0 (en) 2018-12-18 2019-01-30 Eaton Intelligent Power Ltd Switching device for guiding and switching of load currents
US11901140B2 (en) * 2022-05-16 2024-02-13 Rockwell Automation Technologies, Inc. Hybrid circuit breaker with solid state devices
US20240063629A1 (en) * 2022-08-16 2024-02-22 Rockwell Automation Technologies, Inc. Hybrid circuit breaker with solid-state devices

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US4709294A (en) * 1984-08-27 1987-11-24 In Suk Kim Device for contact protection and arc prevention of a switch
US5638038A (en) * 1994-11-18 1997-06-10 Alps Electric, Co., Ltd. Switch including breaker
WO2011018113A1 (en) 2009-08-13 2011-02-17 Abb Research Ltd. Hybrid circuit breaker

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DE3137321A1 (en) * 1981-09-19 1983-04-07 Brown, Boveri & Cie Ag, 6800 Mannheim Electrical switching apparatus
US4709294A (en) * 1984-08-27 1987-11-24 In Suk Kim Device for contact protection and arc prevention of a switch
US5638038A (en) * 1994-11-18 1997-06-10 Alps Electric, Co., Ltd. Switch including breaker
WO2011018113A1 (en) 2009-08-13 2011-02-17 Abb Research Ltd. Hybrid circuit breaker

Also Published As

Publication number Publication date
FR3000284B1 (en) 2016-05-13
ES2636591T3 (en) 2017-10-06
CN103887122B (en) 2018-04-24
US9508500B2 (en) 2016-11-29
EP2747103B1 (en) 2017-05-10
FR3000284A1 (en) 2014-06-27
US20140175060A1 (en) 2014-06-26
CN103887122A (en) 2014-06-25

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