EP1749305B1 - Control device for an electrical apparatus - Google Patents

Control device for an electrical apparatus Download PDF

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Publication number
EP1749305B1
EP1749305B1 EP05770996A EP05770996A EP1749305B1 EP 1749305 B1 EP1749305 B1 EP 1749305B1 EP 05770996 A EP05770996 A EP 05770996A EP 05770996 A EP05770996 A EP 05770996A EP 1749305 B1 EP1749305 B1 EP 1749305B1
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EP
European Patent Office
Prior art keywords
contacts
auxiliaries
mentioned
control
indicating
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EP05770996A
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German (de)
French (fr)
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EP1749305A1 (en
Inventor
Claude Burnot
Didier Dumont
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication of EP1749305A1 publication Critical patent/EP1749305A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H01H71/462—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts housed in a separate casing, juxtaposed to and having the same general contour as the main casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • H01H71/0271—Mounting several complete assembled circuit breakers together
    • H01H2071/0278—Mounting several complete assembled circuit breakers together with at least one of juxtaposed casings dedicated to an auxiliary device, e.g. for undervoltage or shunt trip

Definitions

  • the present invention relates to a device for controlling an electrical apparatus housed in an insulating casing enclosing a pair of fixed and movable contacts, said movable contact being able to be actuated either manually by a handle pivotally mounted between a closed position and a closed position. opening of the contacts, either automatically in the event of an electrical fault, said device comprising a mechanism ensuring manual opening and automatic opening of the contacts in the event of an electrical fault, closing the contacts and keeping the contacts in the closed position, said mechanism communicating with peripheral accessories.
  • the known electrical protection devices as described in the document “ FR 2 656 155 A “, including differential switches, have a single control mechanism to close and open the contacts by manual action on a lever or joystick, automatic opening of contacts in the event of a fault, communication of the status from the apparatus to removable auxiliaries and opening control by other removable auxiliaries, said auxiliaries being mechanically and laterally associated with said apparatus.
  • the same mechanism ensures the maintenance of closed contacts, involving a high mechanical load and communication with peripheral accessories, involving a low mechanical load.
  • the passage of a large mechanical flow in the sensitive communication components disturbs the input and output information, and therefore the general operation of the device.
  • the present invention solves these problems and proposes a device for controlling an electrical apparatus making it possible to have auxiliaries common to the circuit breakers, with which the communication elements are not subjected to a high mechanical load.
  • the subject of the present invention is a device for controlling an electrical appliance of the kind mentioned above, this device being characterized in that it comprises a first mechanism, referred to as power, ensuring the opening and manual closing contacts and maintaining the contacts in the closed position, and a second mechanism, said control and signaling, said second mechanism being able to control the automatic opening of the contacts and to communicate with the aforementioned peripheral accessories.
  • the aforementioned peripheral accessories comprise at least one triggering aid and / or a device for signaling the state of the contacts of the device.
  • the two mechanisms are kinematically linked in such a way that, when the contacts are closed by the operator or a remote control, the two mechanisms are operated simultaneously by the joystick, so as to transmit the information on the open or closed state of the device to the signaling auxiliaries.
  • the two mechanisms are kinematically linked such that the automatic opening of the contacts by triggering the control and signaling mechanism is achieved by keeping the handle in the closed position.
  • the first mechanism comprises a support device for the movable contact rotatably mounted between the two aforementioned positions and connected to the handle by a transmission means so as to form between the support device and the handle a mechanical breakable connection.
  • the transmission means comprises a toggle joint connected in an articulated manner by one of its ends, to the handle, and locked in a position corresponding to a closed state of the contacts by a mechanical attachment system.
  • the second mechanism comprises triggering means controlled by a trigger to cause, in the event of an electrical fault, automatic opening of the contacts, independently of the handle, and means for returning the triggering means to a position allowing the automatic reset of the control and signaling mechanism.
  • This tripping means is adapted to cause, in the event of an electrical fault, the breaking of the aforementioned mechanical connection.
  • the triggering means comprises an electromagnetic relay.
  • the second mechanism comprises a rotary bar actuated by the triggering means and releasing a rotating plate cooperating with the aforementioned attachment system.
  • the plate comprises a part adapted to cooperate with the signaling auxiliaries of the state of the device.
  • the bar comprises a portion adapted to cooperate with the triggering auxiliaries.
  • the trip auxiliaries include auxiliaries said to lack of voltage or emissions
  • the signaling auxiliaries comprise signaling auxiliaries for the fault and the open or closed state of the contacts.
  • control axes are aligned with the axes of auxiliaries common to other control devices and / or electrical protection and / or electrical distribution.
  • the present invention also relates to a differential switch comprising a control device comprising the preceding characteristics taken alone or in combination.
  • a differential switch 1 is shown to be connected to the electrical conductors of an alternating network by means of a connection terminal in order to protect the network when a differential fault occurs.
  • This apparatus 1 is housed in a narrow housing consisting of two parts, one of which has been removed to reveal the internal mechanism of the switch I.
  • this switch I comprises two contacts 1.2, respectively fixed and mobile.
  • This movable contact 2 is carried by a contact support 3 rotatably mounted between a closed position of the contacts and a position separated from the contacts 1, 2.
  • This switch I comprises two distinct mechanisms 4,5, respectively a so-called power mechanism 4 and a so-called control and signaling mechanism 5.
  • the power mechanism 4 is intended to ensure the opening and closing of the contacts manually 1,2 through the handle 6, and maintaining the contacts 1,2 in the closed position.
  • the control and signaling mechanism 5 is intended to control the automatic opening of the contacts 1,2 in the event of an electrical fault for the safety of the persons, by the action of a differential protection device, and to communicate with the peripheral accessories 8.
  • These accessories 8 include signaling auxiliaries and triggering auxiliaries.
  • the signaling auxiliaries are intended to indicate the state of the contacts 1.2 of the switch I, which can be closed, opened following a manual opening, or opened following a fault opening.
  • the triggering auxiliaries make it possible to open contacts 1,2 of switch I independently of the trigger of switch I, as will be explained in more detail later.
  • the first mechanism 4 comprises a toggle joint 9 formed by two links 10, 11 articulated with respect to each other, one of the links 10 being connected in an articulated manner to the handle 6, while the other 11 is connected articulated to the support 3 of the movable contact 2, the assembly constituting a breakable mechanical connection.
  • This toggle joint 9 is maintained in a state corresponding to a closed state of the contacts 1, 2 by an attachment system 12.
  • the second mechanism 5 comprises a rotary bar 13 adapted to be driven by a triggering means 14 and to release a rotating plate 15, which plate 15 is intended to cooperate with the aforementioned attachment system 12 in a way that will be explained later.
  • This triggering means 14 is an electromagnetic relay 16 actuated by a fault detection means (not shown).
  • the turntable 15 is hingedly connected to the handle 6.
  • This plate 15 also has a portion 15a adapted to cooperate with the signaling auxiliaries, and the bar 13 has a portion 13a adapted to cooperate with the triggering auxiliaries.
  • the switch I is in an armed position, closed contacts 1,2, corresponding to normal operation of the electrical network.
  • the contacts 1,2 are held in a closed position by an attachment system 12 forcing the assembly 3,6,9 to a stable equilibrium position.
  • the trigger activates the relay 16.
  • the pin 16a of the relay 16 then drives a reset blade 17.
  • the blade 17 then drives the bar 13, which unlocks the hooking between the bar 13 and the piece 7 releasing the plate 15.
  • the plate 15 then actuates the attachment system 12 which unlocks the toggle joint 9, which causes the opening of the contacts 1,2.
  • the part 15a of the plate 15 communicates with the signaling auxiliaries, so that it indicates a state triggered on a fault.
  • a needle 18 of the auxiliary triggers the mechanism 5 by driving the bar 13, which bar 13 unlocks the hooking between the part 7 and the bar 13 releasing the plate 15 which acts on the attachment system 12.
  • the needle 18 of the auxiliary cooperates with the portion 13a of the bar 13.
  • a device for controlling an electrical appliance has thus been made possible thanks to the invention, making it possible to use auxiliaries common to other appliances arranged beside the appliance such as circuit breakers.
  • the invention therefore allows the realization of a differential switch mechanism compatible with auxiliaries of electrical equipment of the same nature.
  • control and signaling mechanism is dissociated from that of the power mechanism while being kinematically connected thereto.
  • the control mechanism has a kinematics adapted to auxiliaries common circuit breakers.
  • the position of the control and signaling axes to the auxiliaries is independent of the position of the power mechanism. It is then possible to align the control and signaling axes with those of the auxiliaries which are common to other control and / or electrical protection and / or electrical distribution devices.
  • the device according to the invention makes it possible to transmit the open or closed states of the switch on the same axis as the control axes.
  • This device also makes it possible to eliminate the constraints related to the high loads of the closing and opening mechanism of contacts, induced on the control and signaling mechanism.
  • the adaptability to the auxiliaries is then industrially attainable. Which was not possible with the monobloc design.
  • Another advantage is that it is possible to use the same control mechanism and signaling that those differential blocks associated with circuit breakers.
  • the relay works in an environment of identical static and dynamic loads.
  • the invention thus allows the realization of a differential switch using a common mechanical subassembly with differential blocks associated with circuit breakers.
  • the same differential relay is used for a differential switch and for a differential block.
  • the communication devices are not subjected to a high mechanical load associated with the 125A caliber, hence compliance with the adaptability with auxiliaries.
  • the invention applies to any apparatus comprising a fixed contact and a movable contact, said movable contact being operable either manually or automatically, and a mechanism for opening and closing manually, automatic opening and maintaining contacts in the closed position, said mechanism communicating with peripheral accessories.
  • the invention therefore advantageously applies to switches, circuit breakers, contactors and any electrical distribution, control, protection, etc ... having the aforementioned characteristics.

Abstract

The invention concerns a control device for an electrical apparatus enclosed in an insulating housing containing a pair of stationary and mobile contacts, said mobile contact (2) capable of being actuated either manually with a hand lever (6) mounted rotatable between a position for closing and a position for opening the contacts (1, 2), or automatically in case of electric fault. Said device comprises a first so-called power mechanism (4) for manually opening and closing the contacts (1, 2) and maintaining the contacts in closed position, and a second so-called controlling and signalling mechanism (5), separate from the first, said second mechanism (5) being capable of automatically controlling the contacts (1, 2) in case of electric fault and of communicating with the peripheral accessories.

Description

La présente invention concerne un dispositif de commande d'un appareil électrique logé dans un boîtier isolant renfermant une paire de contacts fixe et mobile, ledit contact mobile pouvant être actionné soit manuellement par une manette montée à pivotement entre une position de fermeture et une position d'ouverture des contacts, soit automatiquement en cas de défaut électrique, ledit dispositif comportant un mécanisme assurant l'ouverture manuelle et l'ouverture automatique des contacts en cas de défaut électrique, la fermeture des contacts et le maintien des contacts en position fermée, ledit mécanisme communiquant avec des accessoires périphériques.The present invention relates to a device for controlling an electrical apparatus housed in an insulating casing enclosing a pair of fixed and movable contacts, said movable contact being able to be actuated either manually by a handle pivotally mounted between a closed position and a closed position. opening of the contacts, either automatically in the event of an electrical fault, said device comprising a mechanism ensuring manual opening and automatic opening of the contacts in the event of an electrical fault, closing the contacts and keeping the contacts in the closed position, said mechanism communicating with peripheral accessories.

Les dispositifs de protection électrique connus, tels que décrits dans le document " FR 2 656 155 A ", notamment les interrupteurs différentiels, comportent un mécanisme de commande unique permettant la fermeture et l'ouverture des contacts par une action manuelle sur un levier ou une manette, l'ouverture automatique des contacts en cas de défaut, la communication de l'état de l'appareil à des auxiliaires amovibles et la commande de l'ouverture par d'autres auxiliaires amovibles, lesdits auxiliaires étant associés mécaniquement et latéralement audit appareil.The known electrical protection devices, as described in the document " FR 2 656 155 A ", including differential switches, have a single control mechanism to close and open the contacts by manual action on a lever or joystick, automatic opening of contacts in the event of a fault, communication of the status from the apparatus to removable auxiliaries and opening control by other removable auxiliaries, said auxiliaries being mechanically and laterally associated with said apparatus.

Ainsi, le même mécanisme assure le maintien des contacts fermés, impliquant une charge mécanique élevée et la communication avec les accessoires périphériques, impliquant une charge mécanique faible. Or, le passage d'un flux mécanique important dans les composants sensibles de communication perturbe l'entrée et la sortie des informations, et donc le fonctionnement général de l'appareil.Thus, the same mechanism ensures the maintenance of closed contacts, involving a high mechanical load and communication with peripheral accessories, involving a low mechanical load. However, the passage of a large mechanical flow in the sensitive communication components disturbs the input and output information, and therefore the general operation of the device.

En outre, dans le cas d'un interrupteur différentiel, la gestion de l'énergie des contacts de l'interrupteur par un seul mécanisme ne permet pas de disposer d'auxiliaires communs avec les disjoncteurs. En effet, les pressions de tous les contacts en particulier dans le cas d'interrupteurs différentiels à fort courant de service, conduisent à des systèmes mécaniques incompatibles avec les auxiliaires. Ce problème est actuellement résolu par des auxiliaires spécifiques communicant avec des auxiliaires standards.In addition, in the case of a differential switch, the management of the energy of the switch contacts by a single mechanism does not allow to have auxiliaries common with the circuit breakers. Indeed, the pressures of all the contacts in particular in the case of differential switches with high service current, lead to mechanical systems incompatible with the auxiliaries. This problem is currently solved by specific auxiliaries communicating with standard auxiliaries.

La présente invention résout ces problèmes et propose un dispositif de commande d'un appareil électrique permettant de disposer d'auxiliaires communs avec les disjoncteurs, avec lequel les organes de communications ne sont pas soumis à une forte charge mécanique.The present invention solves these problems and proposes a device for controlling an electrical apparatus making it possible to have auxiliaries common to the circuit breakers, with which the communication elements are not subjected to a high mechanical load.

A cet effet, la présente invention a pour objet un dispositif de commande d'un appareil électrique du genre précédemment mentionné, ce dispositif étant caractérisé en ce qu'il comprend un premier mécanisme, dit de puissance, assurant l'ouverture et la fermeture manuelle des contacts et le maintien des contacts en position fermée, et un second mécanisme, dit de commande et de signalisation, ledit second mécanisme étant apte à commander l'ouverture automatique des contacts et à communiquer avec les accessoires périphériques précités.For this purpose, the subject of the present invention is a device for controlling an electrical appliance of the kind mentioned above, this device being characterized in that it comprises a first mechanism, referred to as power, ensuring the opening and manual closing contacts and maintaining the contacts in the closed position, and a second mechanism, said control and signaling, said second mechanism being able to control the automatic opening of the contacts and to communicate with the aforementioned peripheral accessories.

Selon une réalisation particulière de l'invention, les accessoires périphériques précités comprennent au moins un auxiliaire de déclenchement et/ou un dispositif de signalisation de l'état des contacts de l'appareil.According to a particular embodiment of the invention, the aforementioned peripheral accessories comprise at least one triggering aid and / or a device for signaling the state of the contacts of the device.

Selon une caractéristique particulière de l'invention, les deux mécanismes sont liés cinématiquement de telle manière que lors de la fermeture des contacts par l'opérateur ou une télécommande, les deux mécanismes soient manoeuvrés en même temps par la manette, de manière à transmettre les informations sur l'état ouvert ou fermé de l'appareil aux auxiliaires de signalisation.According to a particular characteristic of the invention, the two mechanisms are kinematically linked in such a way that, when the contacts are closed by the operator or a remote control, the two mechanisms are operated simultaneously by the joystick, so as to transmit the information on the open or closed state of the device to the signaling auxiliaries.

Selon une autre caractéristique, les deux mécanismes sont liés cinématiquement de telle manière que l'ouverture automatique des contacts par déclenchement du mécanisme de commande et de signalisation, soit réalisée en conservant la manette en position fermée.According to another characteristic, the two mechanisms are kinematically linked such that the automatic opening of the contacts by triggering the control and signaling mechanism is achieved by keeping the handle in the closed position.

Selon une autre caractéristique, le premier mécanisme comprend un dispositif de support du contact mobile monté en rotation entre les deux positions précitées et relié à la manette par un moyen de transmission de manière à former entre le dispositif de support et la manette une liaison mécanique brisable.According to another feature, the first mechanism comprises a support device for the movable contact rotatably mounted between the two aforementioned positions and connected to the handle by a transmission means so as to form between the support device and the handle a mechanical breakable connection. .

Selon une autre caractéristique, le moyen de transmission comporte une genouillère reliée de manière articulée par l'une de ses extrémités, à la manette, et verrouillée dans une position correspondant à un état fermé des contacts par un système d'accrochage mécanique.According to another characteristic, the transmission means comprises a toggle joint connected in an articulated manner by one of its ends, to the handle, and locked in a position corresponding to a closed state of the contacts by a mechanical attachment system.

Selon une autre caractéristique, le second mécanisme comporte un moyen de déclenchement commandé par un déclencheur pour provoquer, en cas de défaut électrique, l'ouverture automatique des contacts, indépendamment de la manette, et un moyen de rappel du moyen de déclenchement vers une position armée autorisant le réarmement automatique du mécanisme de commande et de signalisation.
Ce moyen de déclenchement est apte à entraîner, en cas de défaut électrique, la rupture de la liaison mécanique précitée.According to another characteristic, the second mechanism comprises triggering means controlled by a trigger to cause, in the event of an electrical fault, automatic opening of the contacts, independently of the handle, and means for returning the triggering means to a position allowing the automatic reset of the control and signaling mechanism.
This tripping means is adapted to cause, in the event of an electrical fault, the breaking of the aforementioned mechanical connection.

Avantageusement, le moyen de déclenchement comprend un relais électromagnétique.Advantageously, the triggering means comprises an electromagnetic relay.

Selon une autre caractéristique, le second mécanisme comporte une barre rotative actionnée par le moyen de déclenchement et libérant une platine rotative coopérant avec le système d'accrochage précité.According to another characteristic, the second mechanism comprises a rotary bar actuated by the triggering means and releasing a rotating plate cooperating with the aforementioned attachment system.

Selon une autre caractéristique, la platine comporte une partie apte à coopérer avec les auxiliaires de signalisation de l'état de l'appareil.According to another characteristic, the plate comprises a part adapted to cooperate with the signaling auxiliaries of the state of the device.

Selon une autre caractéristique, la barre comporte une partie apte à coopérer avec les auxiliaires de déclenchement.According to another characteristic, the bar comprises a portion adapted to cooperate with the triggering auxiliaries.

Avantageusement, les auxiliaires de déclenchement comprennent des auxiliaires dits à manque de tension ou à émissionsAdvantageously, the trip auxiliaries include auxiliaries said to lack of voltage or emissions

Avantageusement, les auxiliaires de signalisation comprennent des auxiliaires de signalisation du défaut et de l'état ouvert ou fermé des contacts.Advantageously, the signaling auxiliaries comprise signaling auxiliaries for the fault and the open or closed state of the contacts.

Selon une autre caractéristique, les axes de commande sont alignés avec les axes des auxiliaires communs à d'autres appareils de commande et/ou de protection électrique et/ou de distribution électrique.According to another characteristic, the control axes are aligned with the axes of auxiliaries common to other control devices and / or electrical protection and / or electrical distribution.

La présente invention a également pour objet un interrupteur différentiel comportant un dispositif de commande comportant les caractéristiques précédentes prises seules ou en combinaison.The present invention also relates to a differential switch comprising a control device comprising the preceding characteristics taken alone or in combination.

Mais d'autres avantages et caractéristiques de l'invention apparaîtront mieux dans la description détaillée qui suit et se réfère aux dessins annexés donnés uniquement à titre d'exemple et dans lesquels :

  • La figure 1 est une vue de côté d'un interrupteur différentiel selon l'invention, illustrant la partie intérieure de l'interrupteur, les contacts étant dans une position fermée,
  • La figure la est une vue partielle et en coupe, illustrant une partie du mécanisme de commande et d'un auxiliaire de déclenchement,
  • La figure 2 est une vue partielle de la figure précédente, illustrant le mécanisme d'un interrupteur selon l'invention, vu de face, en position fermée des contacts,
  • La figure 3 est une vue similaire à la précédente, illustrant le mécanisme de l'interrupteur, vu de l'arrière, en position fermée des contacts,
  • La figure 4 est une vue de côté d'un interrupteur différentiel selon l'invention, similaire à la figure 1, dans une position ouverte des contacts.
But other advantages and features of the invention will become more apparent in the detailed description which follows and refers to the accompanying drawings given solely by way of example and in which:
  • The figure 1 is a side view of a differential switch according to the invention, illustrating the inner part of the switch, the contacts being in a closed position,
  • FIG. 1a is a partial sectional view, illustrating a portion of the control mechanism and a triggering auxiliary,
  • The figure 2 is a partial view of the previous figure, illustrating the mechanism of a switch according to the invention, seen from the front, in the closed position of the contacts,
  • The figure 3 is a view similar to the previous one, illustrating the mechanism of the switch, seen from the back, in the closed position of the contacts,
  • The figure 4 is a side view of a differential switch according to the invention, similar to the figure 1 , in an open position of the contacts.

Sur les figures 1 et 4, on voit un interrupteur différentiel 1 destiné à être connecté aux conducteurs électriques d'un réseau alternatif au moyen d'une borne de raccordement afin de protéger le réseau lors de l'apparition d'un défaut différentiel.On the figures 1 and 4 , a differential switch 1 is shown to be connected to the electrical conductors of an alternating network by means of a connection terminal in order to protect the network when a differential fault occurs.

Cet appareil 1 est logé dans un boîtier étroit constitué de deux parties dont l'une a été retirée pour faire apparaître le mécanisme intérieur de l'interrupteur I.This apparatus 1 is housed in a narrow housing consisting of two parts, one of which has been removed to reveal the internal mechanism of the switch I.

Sur les figures 1 et 4, on voit que cet interrupteur I comporte deux contacts 1,2 respectivement fixe et mobile. Ce contact mobile 2 est porté par un support de contact 3 monté en rotation entre une position fermée des contacts et une position séparée des contacts 1,2.On the figures 1 and 4 it can be seen that this switch I comprises two contacts 1.2, respectively fixed and mobile. This movable contact 2 is carried by a contact support 3 rotatably mounted between a closed position of the contacts and a position separated from the contacts 1, 2.

Cet interrupteur I comporte deux mécanismes distincts 4,5, respectivement un mécanisme dit de puissance 4 et un mécanisme dit de commande et de signalisation 5. Le mécanisme de puissance 4 est destiné à assurer l'ouverture et la fermeture manuelle des contacts 1,2 par l'intermédiaire de la manette 6, et le maintien des contacts 1,2 en position fermée.This switch I comprises two distinct mechanisms 4,5, respectively a so-called power mechanism 4 and a so-called control and signaling mechanism 5. The power mechanism 4 is intended to ensure the opening and closing of the contacts manually 1,2 through the handle 6, and maintaining the contacts 1,2 in the closed position.

Le mécanisme de commande et de signalisation 5 est destiné à commander l'ouverture automatique des contacts 1,2 en cas de défaut électrique pour la mise en sécurité des personnes, par l'action d'un dispositif de protection différentiel, et à communiquer avec les accessoires périphériques 8.The control and signaling mechanism 5 is intended to control the automatic opening of the contacts 1,2 in the event of an electrical fault for the safety of the persons, by the action of a differential protection device, and to communicate with the peripheral accessories 8.

Ces accessoires 8 comprennent des auxiliaires de signalisation et des auxiliaires de déclenchement. Les auxiliaires de signalisation sont destinés à indiquer l'état des contacts 1,2 de l'interrupteur I, lesquels peuvent être fermés, ouverts suite à une ouverture manuelle, ou ouverts suite à une ouverture sur défaut. Les auxiliaires de déclenchement permettent de réaliser une ouverture des contacts 1,2 de l'interrupteur I indépendamment du déclencheur de l'interrupteur I, comme ceci sera expliqué plus en détail ultérieurement.These accessories 8 include signaling auxiliaries and triggering auxiliaries. The signaling auxiliaries are intended to indicate the state of the contacts 1.2 of the switch I, which can be closed, opened following a manual opening, or opened following a fault opening. The triggering auxiliaries make it possible to open contacts 1,2 of switch I independently of the trigger of switch I, as will be explained in more detail later.

Le premier mécanisme 4 comporte une genouillère 9 formée par deux biellettes 10,11 articulées l'une par rapport à l'autre, l'une des biellettes 10 étant reliée de manière articulée à la manette 6, tandis que l'autre 11 est reliée de manière articulée au support 3 du contact mobile 2, l'ensemble constituant une liaison mécanique brisable. Cette genouillère 9 est maintenue dans un état correspondant à un état fermé des contacts 1,2 par un système d'accrochage 12.The first mechanism 4 comprises a toggle joint 9 formed by two links 10, 11 articulated with respect to each other, one of the links 10 being connected in an articulated manner to the handle 6, while the other 11 is connected articulated to the support 3 of the movable contact 2, the assembly constituting a breakable mechanical connection. This toggle joint 9 is maintained in a state corresponding to a closed state of the contacts 1, 2 by an attachment system 12.

Le second mécanisme 5, dit de commande et de signalisation, comprend une barre rotative 13 apte à être entraînée par un moyen de déclenchement 14 et à libérer une platine rotative 15, laquelle platine 15 est destinée à coopérer avec le système d'accrochage précité 12 d'une manière qui va être expliquée ultérieurement. Ce moyen de déclenchement 14 est un relais électromagnétique 16 actionné par un moyen de détection de défaut (non représenté). La platine rotative 15 est reliée de manière articulée à la manette 6. Cette platine 15 comporte également une partie 15a apte à coopérer avec les auxiliaires de signalisation, et la barre 13 comporte une partie 13a apte à coopérer avec les auxiliaires de déclenchement.The second mechanism 5, called control and signaling, comprises a rotary bar 13 adapted to be driven by a triggering means 14 and to release a rotating plate 15, which plate 15 is intended to cooperate with the aforementioned attachment system 12 in a way that will be explained later. This triggering means 14 is an electromagnetic relay 16 actuated by a fault detection means (not shown). The turntable 15 is hingedly connected to the handle 6. This plate 15 also has a portion 15a adapted to cooperate with the signaling auxiliaries, and the bar 13 has a portion 13a adapted to cooperate with the triggering auxiliaries.

Le fonctionnement du dispositif selon l'invention va être décrit dans ce qui suit en référence aux figures.The operation of the device according to the invention will be described in the following with reference to the figures.

Sur les figures 1 à 3, l'interrupteur I est dans une position armée, contacts fermés 1,2, correspondant à un fonctionnement normal du réseau électrique. Dans cet état, les contacts 1,2 sont maintenus dans une position de fermeture par un système d'accrochage 12 forçant l'ensemble 3,6,9 à une position d'équilibre stable.On the Figures 1 to 3 , the switch I is in an armed position, closed contacts 1,2, corresponding to normal operation of the electrical network. In this state, the contacts 1,2 are held in a closed position by an attachment system 12 forcing the assembly 3,6,9 to a stable equilibrium position.

Lors d'une ouverture manuelle, la manette 6 est déplacée vers la droite par rapport à la position de la figure 1. Ce mouvement annule la position d'équilibre stable entre la genouillère 9 et la manette 6 libérant ainsi les contacts 1,2. Inversement, il en sera de même pour la fermeture manuelle ou par la télécommande. Les deux mécanismes 4,5 sont manoeuvrés en même temps par la manette 6 assurant la cohérence cinématique nécessaire au fonctionnement des auxiliaires situés en général à gauche de l'appareil I. Ainsi, l'auxiliaire de signalisation OF de l'état des contacts sera activé par la manette 6.When manually opening, the handle 6 is moved to the right relative to the position of the figure 1 . This movement cancels the stable equilibrium position between the toggle joint 9 and the lever 6 thus releasing the contacts 1,2. Conversely, it will be the same for manual closing or remote control. Both mechanisms 4,5 are Maneuvered at the same time by the lever 6 ensuring the kinematic coherence necessary for the operation of the auxiliaries located generally to the left of the apparatus I. Thus, the signaling auxiliary OF of the state of the contacts will be activated by the lever 6.

Lors de l'apparition d'un défaut différentiel tel qu'illustré sur la figure 3, le déclencheur actionne le relais 16. Le téton 16a du relais 16 entraîne alors une lame de réarmement 17. La lame 17 entraîne alors la barre 13, ce qui déverrouille l'accrochage entre la barre 13 et la pièce 7 libérant la platine 15. La platine 15 actionne alors le système d'accrochage 12 lequel déverrouille la genouillère 9, ce qui entraîne l'ouverture des contacts 1,2.At the occurrence of a differential defect as shown on the figure 3 the trigger activates the relay 16. The pin 16a of the relay 16 then drives a reset blade 17. The blade 17 then drives the bar 13, which unlocks the hooking between the bar 13 and the piece 7 releasing the plate 15. The plate 15 then actuates the attachment system 12 which unlocks the toggle joint 9, which causes the opening of the contacts 1,2.

Pendant cette opération, la partie 15a de la platine 15 communique avec les auxiliaires de signalisation, de manière que celui-ci indique un état déclenché sur défaut.During this operation, the part 15a of the plate 15 communicates with the signaling auxiliaries, so that it indicates a state triggered on a fault.

On notera que la cinématique de l'ensemble permet l'ouverture des contacts 1,2 par déclenchement du mécanisme 5, la manette 6 restant en position fermée (déclenchement libre).Note that the kinematics of the assembly allows the opening of the contacts 1,2 by triggering the mechanism 5, the lever 6 remaining in the closed position (free trigger).

Dans le cas d'un déclenchement par un auxiliaire de déclenchement tel qu'illustré sur la figure 2, une aiguille 18 de l'auxiliaire déclenche le mécanisme 5 en entraînant la barre 13, laquelle barre 13 déverrouille l'accrochage entre la pièce 7 et la barre 13 libérant la platine 15 qui agit sur le système d'accrochage 12. L'aiguille 18 de l'auxiliaire coopère avec la partie 13a de la barre 13.In the case of tripping by a triggering aid as shown on the figure 2 , a needle 18 of the auxiliary triggers the mechanism 5 by driving the bar 13, which bar 13 unlocks the hooking between the part 7 and the bar 13 releasing the plate 15 which acts on the attachment system 12. The needle 18 of the auxiliary cooperates with the portion 13a of the bar 13.

On a donc réalisé grâce à l'invention, un dispositif de commande d'un appareil électrique, de conception simple, permettant d'utiliser des auxiliaires communs avec d'autres appareils disposés à côté dudit appareil tels des disjoncteurs. L'invention permet donc la réalisation d'un mécanisme d'interrupteur différentiel compatible avec les auxiliaires des appareillages électriques de même nature.A device for controlling an electrical appliance, of simple design, has thus been made possible thanks to the invention, making it possible to use auxiliaries common to other appliances arranged beside the appliance such as circuit breakers. The invention therefore allows the realization of a differential switch mechanism compatible with auxiliaries of electrical equipment of the same nature.

Avec le dispositif selon l'invention, la structure du mécanisme de commande et de signalisation est dissociée de celle du mécanisme de puissance tout en étant cinématiquement lié à celui-ci. Le mécanisme de commande a une cinématique adaptée aux auxiliaires communs aux disjoncteurs.With the device according to the invention, the structure of the control and signaling mechanism is dissociated from that of the power mechanism while being kinematically connected thereto. The control mechanism has a kinematics adapted to auxiliaries common circuit breakers.

La position des axes de commande et de signalisation vers les auxiliaires est indépendante de la position du mécanisme de puissance. Il est alors possible d'aligner les axes de commande et de signalisation avec ceux des auxiliaires qui sont communs à d'autres appareillages de commande et/ou de protection électrique et/ou de distribution électrique. Le dispositif selon l'invention permet de transmettre les états ouverts ou fermés de l'interrupteur sur le même axe que les axes de commande.The position of the control and signaling axes to the auxiliaries is independent of the position of the power mechanism. It is then possible to align the control and signaling axes with those of the auxiliaries which are common to other control and / or electrical protection and / or electrical distribution devices. The device according to the invention makes it possible to transmit the open or closed states of the switch on the same axis as the control axes.

Ce dispositif permet également de supprimer les contraintes liées aux fortes charges du mécanisme de fermeture et d'ouverture de contacts, induites sur le mécanisme de commande et de signalisation. L'adaptabilité aux auxiliaires est alors industriellement atteignable. Ce qui n'était pas possible avec la conception monobloc.This device also makes it possible to eliminate the constraints related to the high loads of the closing and opening mechanism of contacts, induced on the control and signaling mechanism. The adaptability to the auxiliaries is then industrially attainable. Which was not possible with the monobloc design.

Un autre avantage tient en ce qu'il est possible d'utiliser le même mécanisme de commande et de signalisation que ceux des blocs différentiels associés aux disjoncteurs. Ainsi, quelque soit l'appareil, le relais travaille dans un environnement de charges statiques et dynamiques identiques.Another advantage is that it is possible to use the same control mechanism and signaling that those differential blocks associated with circuit breakers. Thus, whatever the device, the relay works in an environment of identical static and dynamic loads.

Ce même relais était soumis auparavant à des contraintes plus fortes dans un interrupteur différentiel que dans un bloc différentiel, ce qui exigeait la réalisation assez difficile d'un relais capable de fonctionner avec deux systèmes différents.This same relay was previously subjected to stronger constraints in a differential switch than in a differential block, which required the realization rather difficult of a relay capable of operating with two different systems.

L'invention permet donc la réalisation d'un interrupteur différentiel utilisant un sous-ensemble mécanique commun avec des blocs différentiels associés à des disjoncteurs. Un même relais différentiel est utilisé pour un interrupteur différentiel et pour un bloc différentiel.The invention thus allows the realization of a differential switch using a common mechanical subassembly with differential blocks associated with circuit breakers. The same differential relay is used for a differential switch and for a differential block.

Les organes de communication ne sont pas soumis à une forte charge mécanique associée au calibre 125A, d'où un respect de l'adaptabilité avec les auxiliaires.The communication devices are not subjected to a high mechanical load associated with the 125A caliber, hence compliance with the adaptability with auxiliaries.

L'invention s'applique à tout appareil comportant un contact fixe et un contact mobile, ledit contact mobile pouvant être actionné soit manuellement soit automatiquement, et un mécanisme assurant l'ouverture et la fermeture manuelle, l'ouverture automatique et le maintien des contacts en position fermée, le dit mécanisme communiquant avec des accessoires périphériques. L'invention s'applique donc avantageusement aux interrupteurs, disjoncteurs, contacteurs et tout appareil électrique de distribution, de commande, de protection, etc...présentant les caractéristiques précitées.The invention applies to any apparatus comprising a fixed contact and a movable contact, said movable contact being operable either manually or automatically, and a mechanism for opening and closing manually, automatic opening and maintaining contacts in the closed position, said mechanism communicating with peripheral accessories. The invention therefore advantageously applies to switches, circuit breakers, contactors and any electrical distribution, control, protection, etc ... having the aforementioned characteristics.

Claims (14)

  1. An operating device for an electrical apparatus housed in an insulating case containing a pair of stationary and movable contacts, said movable contact being able to be actuated either manually by a hand lever mounted rotatable between a closed position and an open position of the contacts, or automatically in case of an electrical fault, said device comprising a mechanism performing manual opening and automatic opening of the contacts in case of an electrical fault, closing of the contacts and keeping the contacts in the closed position, said mechanism communicating with peripheral accessories,
    characterized in that it comprises, housed in the above-mentioned case, a first mechanism (4), called power mechanism, performing manual opening and closing of the contacts (1,2) and keeping the contacts (1,2) in the closed position, and a second mechanism (5), distinct from the first mechanism, called control and indicating mechanism, said second mechanism (5) commanding automatic opening of the contacts (1,2) and communicating with the above-mentioned peripheral accessories (8), the first mechanism (4) comprising a support device (3) of the movable contact (2) mounted rotatable between the above-mentioned two positions and connected to the hand lever (6) by a transmission means (9) so as to form a breakable mechanical link between the device (3) and hand lever (6), and a second mechanism (5) comprises trip means (14) controlled by a trip device to cause automatic opening of the contacts (1,2) independently from the hand lever (6) in case of an electric fault, and return means to return the trip means (14) to a loaded position enabling automatic resetting of the control and indicating mechanism (5).
  2. The device according to claim 1, characterized in that the above-mentioned peripheral accessories (8) comprise at least one tripping auxiliary and/or a device for indicating the state of the contacts (1,2) of the apparatus I.
  3. The device according to claim 1 or 2, characterized in that the above-mentioned two mechanisms (4,5) are kinematically linked in such a way that when closing of the contacts (1,2) is performed by the operator or by a remote control, the two mechanisms (4,5) are operated at the same time by the hand lever (6) so as to transmit information on the open or closed state of the apparatus I to the indicating auxiliaries.
  4. The device according to any one of claims 1 to 3, characterized in that the above-mentioned two mechanisms (4,5) are kinematically linked in such a way that automatic opening of the contacts (1,2) by tripping of the control and indicating mechanism (5) is performed with the hand lever (6) remaining in the closed position.
  5. The device according to any one of the foregoing claims, characterized in that the above-mentioned transmission means (9) comprise a toggle (10,11) connected in articulated manner via one of the ends thereof to the hand lever (6), and latched in a position corresponding to a closed state of the contacts (1,2) by a mechanical latching system (12).
  6. The device according to any one of the foregoing claims, characterized in that the above-mentioned trip means (14) are able to break the above-mentioned mechanical link in the event of an electrical fault.
  7. The device according to any one of the foregoing claims, characterized in that the above-mentioned trip means (14) comprise an electromagnetic relay (16).
  8. The device according to any one of claims 5 to 7, characterized in that the second mechanism (5) comprises a rotary bar (13) actuated by the above-mentioned trip means (14) and releasing a rotary plate (15) operating in conjunction with the above-mentioned latching system (12).
  9. The device according to claim 8, characterized in that the above-mentioned plate (15) comprises a part (15a) designed to operate in conjunction with the auxiliaries indicating the state of the apparatus I.
  10. The device according to claim 8 or 9, characterized in that the bar (13) comprises a part (13a) designed to operate in conjunction with the tripping auxiliaries.
  11. The device according to any one of claims 2 to 10, characterized in that the tripping auxiliaries comprise auxiliaries called under-voltage or shunt releases.
  12. The device according to any one of claims 2 to 11, characterized in that the indicating auxiliaries comprise auxiliaries indicating a fault and the open or closed state of the contacts.
  13. The device according to any one of the foregoing claims, characterized in that the control axes are aligned with the axes of the auxiliaries common to other electrical control and/or protection and/or electrical distribution apparatuses.
  14. A differential switch comprising a control device according to any one of claims 1 to 13.
EP05770996A 2004-05-25 2005-05-10 Control device for an electrical apparatus Active EP1749305B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0405631A FR2870987A1 (en) 2004-05-25 2004-05-25 DEVICE FOR CONTROLLING AN ELECTRICAL DEVICE
PCT/FR2005/001158 WO2006000661A1 (en) 2004-05-25 2005-05-10 Control device for an electrical apparatus

Publications (2)

Publication Number Publication Date
EP1749305A1 EP1749305A1 (en) 2007-02-07
EP1749305B1 true EP1749305B1 (en) 2011-03-09

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EP (1) EP1749305B1 (en)
CN (1) CN1957433B (en)
AT (1) ATE501518T1 (en)
AU (1) AU2005256715B2 (en)
BR (1) BRPI0511496A (en)
DE (1) DE602005026800D1 (en)
EA (1) EA012302B1 (en)
EG (1) EG24598A (en)
ES (1) ES2359144T3 (en)
FR (1) FR2870987A1 (en)
HK (1) HK1099662A1 (en)
MA (1) MA28584B1 (en)
NO (1) NO331593B1 (en)
NZ (1) NZ550922A (en)
TN (1) TNSN06390A1 (en)
UA (1) UA91976C2 (en)
WO (1) WO2006000661A1 (en)
ZA (1) ZA200608960B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2923940B1 (en) * 2007-11-16 2010-01-01 Schneider Electric Ind Sas ELECTRIC COUPLING APPARATUS WITH CONTACT (S) MOBILE (S) ROTATING (S).
FR2923941B1 (en) * 2007-11-16 2014-09-05 Schneider Electric Ind Sas ELECTRICAL CUTTING DEVICE SUCH AS A CIRCUIT BREAKER OR SWITCH
DE102010019741B4 (en) * 2010-05-07 2022-05-05 Siemens Aktiengesellschaft Switching mechanism for a residual current circuit breaker and residual current circuit breaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656E (en) * 1903-11-28 1904-06-03 Arthur Moser New mechanical mouthpiece shape for shoes
FR2615322B1 (en) * 1987-05-11 1989-06-30 Merlin Gerin TRIP BAR OF A MULTIPOLAR CIRCUIT BREAKER ASSOCIATED WITH AN AUXILIARY TRIGGER BLOCK
FR2656155B1 (en) * 1989-12-18 1992-03-06 Merlin Gerin ADAPTATION AUXILIARY FOR MULTIPOLAR DIFFERENTIAL SWITCH.

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ZA200608960B (en) 2008-05-28
TNSN06390A1 (en) 2008-02-22
UA91976C2 (en) 2010-09-27
DE602005026800D1 (en) 2011-04-21
EA012302B1 (en) 2009-08-28
EA200602181A1 (en) 2007-04-27
CN1957433A (en) 2007-05-02
CN1957433B (en) 2010-12-22
NO331593B1 (en) 2012-02-06
EP1749305A1 (en) 2007-02-07
HK1099662A1 (en) 2007-08-17
ES2359144T3 (en) 2011-05-18
FR2870987A1 (en) 2005-12-02
NZ550922A (en) 2009-11-27
BRPI0511496A (en) 2008-01-08
WO2006000661A1 (en) 2006-01-05
ATE501518T1 (en) 2011-03-15
AU2005256715B2 (en) 2009-07-30
NO20066006L (en) 2006-12-27
MA28584B1 (en) 2007-05-02
AU2005256715A1 (en) 2006-01-05
EG24598A (en) 2009-12-14

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