EP3499542A1 - Electrical apparatus with removable reset module - Google Patents

Electrical apparatus with removable reset module Download PDF

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Publication number
EP3499542A1
EP3499542A1 EP18205940.2A EP18205940A EP3499542A1 EP 3499542 A1 EP3499542 A1 EP 3499542A1 EP 18205940 A EP18205940 A EP 18205940A EP 3499542 A1 EP3499542 A1 EP 3499542A1
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EP
European Patent Office
Prior art keywords
rotation shaft
housing
wall
control mechanism
electrical switch
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
EP18205940.2A
Other languages
German (de)
French (fr)
Other versions
EP3499542B1 (en
Inventor
Denis Perrin
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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Filing date
Publication date
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Publication of EP3499542A1 publication Critical patent/EP3499542A1/en
Application granted granted Critical
Publication of EP3499542B1 publication Critical patent/EP3499542B1/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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H2003/3089—Devices for manual releasing of locked charged spring motor; Devices for remote releasing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H2003/3094—Power arrangements internal to the switch for operating the driving mechanism using spring motor allowing an opening - closing - opening [OCO] sequence
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H01H71/70—Power reset mechanisms actuated by electric motor

Definitions

  • the invention relates to an electrical apparatus and its control mechanism.
  • the term electrical appliance includes either several types of switch devices such as a switch, a disconnector, a circuit breaker, a fuse switch, a recloser, etc.
  • the invention is particularly suitable for medium voltage and high voltage electrical equipment, that is to say operating on a power supply network voltage greater than 1000V.
  • such an electrical device has contacts that are movable to circulate or not current in the different phases of an electrical network. These contacts are movable between a closed position in which they are in contact with corresponding fixed contacts and an open position in which they are disconnected from these fixed contacts.
  • the opening and closing movements of the moving contacts are made from a control mechanism which is capable of driving the moving contacts.
  • This control mechanism is resettable so that it is always ready to perform a possible next closing trip.
  • This resetting is performed using a reset module which is mechanically connected to the control mechanism to enable it to store enough energy.
  • Resetting usually consists of re-energizing the springs which will thus be ready to quickly close the contacts as soon as a closing order occurs.
  • a reset module may operate according to different technologies depending on the applications in which the electrical device is installed (for example, the reset module may comprise a planetary gear system or a ratchet system) and according to the user client's choices. (for example, choice between a manual or motorized control).
  • an electrical switch comprising contacts which are movable by actuation of a first rotation shaft and comprising a movable contact control mechanism which is located in a housing and which can be reset via a second rotation shaft. It is characterized in that the first rotation shaft passes through a first wall of the housing and the switch comprises a first rotation sensor which is coupled with the first rotation shaft outside the housing, so as to measure the angular displacement. of the first rotation shaft, and in that the second rotation shaft passes through a second wall of the housing and the switch comprises a reset module which is removably attached to the outside of the housing against the second wall, so as to be coupled with the second rotation shaft to be able to reset the control mechanism.
  • the second wall of the housing comprises fixing means capable of fixing a reset module comprising a planetary gear system, and capable of fixing a reset module comprising a ratchet system.
  • the planetary gear system can be driven by a crank or an electric motor.
  • the ratchet system can be driven by a lever or an electric motor.
  • the first rotation shaft comprises longitudinal splines, the first rotation sensor having complementary splines to be driven by the first rotation shaft.
  • the second rotation shaft comprises longitudinal splines, the reset module having complementary splines to be driven by the second rotation shaft
  • first wall and the second wall correspond to the same side wall of the housing of the control mechanism.
  • first wall and the second wall respectively correspond to two opposite side walls of the housing of the control mechanism.
  • the switch comprises a second rotation sensor which is coupled with the second rotation shaft outside the housing, so as to measure the rotation angle of the second rotation shaft.
  • control mechanism of the electrical apparatus is advantageously of modular design, that is to say that it can easily receive different types of interchangeable rearming modules using different technologies, as well as additives optional. It is thus customizable which in particular optimizes its manufacture.
  • reset modules are removable, the replacement of a reset module using one technology with another using another technology is also facilitated, as well as the replacement of a defective reset module. Conversely, the same reset module can easily be mounted on different types of electrical devices.
  • An electrical apparatus includes a control mechanism for opening and closing the moving contacts of the electrical apparatus.
  • This mechanism of control is usually located on the front of the electrical device, so as to be controllable by an operator via human-machine dialogue organs (buttons, indicators, remote electrical controls, ).
  • the control mechanism comprises complex mechanical parts and must be able to store a lot of energy, in particular via different springs to perform the closing and opening movements, and in particular to be able to perform "opening" type sequences. -Closing-Opening "that are required under certain standardized conditions. To store this energy, the control mechanism is coupled with a reset module, manual or motorized, responsible for rearming the control mechanism.
  • the Figures 1, 2 and 3 show a control mechanism 1 of a switch electrical apparatus for medium or high voltage electrical network.
  • the control mechanism 1 is housed in a housing whose contours are embodied by two parallel side walls 2 and 3.
  • the housing of the control mechanism 1 is also embodied by a rear face 4 which is intended to be fixed on the switch (not shown in the figure) and a front face on which will be placed in particular a man-machine interface to control the device.
  • the two side walls can be interconnected by several fastening elements 5.
  • control mechanism 1 comprises a first rotation shaft 10 which is mechanically coupled with the movable contacts of the electrical apparatus so as to open and close these movable contacts. Only part 6 of this coupling is shown in figure 1 .
  • the control mechanism 1 also comprises a second rotation shaft 20 which makes it possible to reset the springs of the control mechanism 1, so that the apparatus stores enough energy.
  • the second rotation shaft 20 passes through one of the side walls 2, 3 of the housing, called the second wall, and the apparatus comprises a rearming module 25, 26 which is fixed outside the housing against the second wall, so as to be coupled with the second rotation shaft 20, as shown in the figures.
  • the resetting module 25, 26 is capable of rearming the control mechanism. This mechanical coupling can be done simply, for example by means of longitudinal splines 21 on a part of the second transmission shaft 20 cooperating with complementary splines in the resetting module 25, 26.
  • the reset module 25 comprises a planetary gear system which can be either motorized and remotely controllable, or manually operated by rotation of a crank located on the front of the apparatus (not shown).
  • another resetting module 26 uses an alternative technology which includes a ratchet system.
  • this ratchet system 26 is driven by a geared motor assembly comprising an electric motor 27 associated with a gearbox 28.
  • This ratchet system 26 could also be driven by pumping with the aid of a manual lever on the front face.
  • the ratchet reset module 26 and the geared motor assembly 27, 28 can be removably attached to the outside of the housing against the second wall and thus be coupled to the gear mechanism.
  • control 1 for example by a simple arrangement of screws / nuts / spacers 8.
  • This advantageous modular structure of the electrical apparatus thus makes it possible to choose at the last moment the resetting module 25, 26 desired, to easily dismount it and replace it with another, without making any other modification or intervention on the level of the control mechanism. 1, which gives a lot of flexibility in the adaptation at the last moment of the electrical appliance to the needs of the application or the user client and in the maintenance of the electrical appliance.
  • the first rotation shaft 10 which gives the image of the position of the moving contacts of the apparatus, also passes through one of the side walls 2, 3 of the housing, called the first wall.
  • the first wall and the second wall correspond to the same side wall 2 of the housing of the control mechanism 1, that is to say that the rotation shafts 10, 20 leave the same side and pass through therefore, the same side wall 2.
  • the first wall and the second wall correspond to the two opposite side walls 2, 3 of the housing of the control mechanism, for example the first wall is the wall 2 and the second wall is the wall 3.
  • the figure 4 takes over the control mechanism 1 from the figures 1 and adds a first rotation sensor 12 which is coupled with the first rotation shaft 10 outside the housing, for example by means of longitudinal splines 11 on the shaft 10 which cooperate with complementary splines in the first rotation sensor 12.
  • the first rotation sensor 12 can be fixed directly against the first wall 2, but it could also be envisaged that it is slightly offset relative to the first wall 2 while remaining obviously coupled with the first rotation shaft 10.
  • the first rotation sensor 12 is able to measure the angular displacement of the first rotation shaft 10 and to deduce the information on the state (open or closed) of the movable contacts of the device. It provides one or more output signals 13 which may be used in particular for monitoring purposes or information on the state of the movable contacts of the apparatus and also for electrically controlling auxiliary contacts of the apparatus, thereby avoiding to have mechanical links sometimes complex or bulky between the first rotation shaft 10 and auxiliary contact control members.
  • the first rotation sensor 12 is also capable of giving information on the speed of the closing movement.
  • the figure 4 also shows a second optional rotation sensor 22 which is coupled with the second rotation shaft 20 outside the housing, thanks to the longitudinal splines 21 on the shaft 20 which cooperate with complementary splines in the second rotation sensor 22.
  • This second rotation sensor 22 is for example fixed and placed between the reset module 26 and the gearbox 28.
  • the second rotation sensor 22 thus provides an output signal representative of the angle of rotation made by the second rotation shaft 20 so as in particular to determine the excess energy (therefore residual) of the control mechanism during a movement of closing.
  • the variations of the angular displacement of the second shaft 20 give information on the energy reserve available during a closing movement. The variation over time of this energy reserve will advantageously make it possible to detect wear of the parts of the control mechanism, for the purpose of preventive maintenance.
  • the second rotation sensor 22 could also provide a signal representative of the speed of the movements of the shaft 20.

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  • Mechanisms For Operating Contacts (AREA)

Abstract

L'invention concerne un appareil électrique interrupteur comprenant des contacts qui sont mobiles par actionnement d'un premier arbre de rotation (10) et un mécanisme de commande (1) des contacts mobiles qui est situé dans un logement et qui est réarmable par l'intermédiaire d'un second arbre de rotation (20). Le premier arbre de rotation (10) traverse une première paroi (2, 3) du logement et l'appareil comporte un premier capteur de rotation (12) couplé avec le premier arbre de rotation (10) à l'extérieur du logement, de façon à mesurer le déplacement angulaire du premier arbre de rotation. Le second arbre de rotation (20) traverse une deuxième paroi (2, 3) du logement et l'appareil comporte un module de réarmement (25, 26) fixé de façon amovible à l'extérieur du logement contre la deuxième paroi (2, 3), de façon à être couplé avec le second arbre de rotation (20) pour pouvoir réarmer le mécanisme de commande.The invention relates to an electrical switch device comprising contacts which are movable by actuation of a first rotation shaft (10) and a control mechanism (1) of the movable contacts which is located in a housing and is resettable by the intermediate of a second rotation shaft (20). The first rotation shaft (10) passes through a first wall (2, 3) of the housing and the apparatus comprises a first rotation sensor (12) coupled with the first rotation shaft (10) to the outside of the housing, way to measure the angular displacement of the first rotation shaft. The second rotation shaft (20) passes through a second wall (2, 3) of the housing and the apparatus comprises a reset module (25, 26) removably attached to the outside of the housing against the second wall (2, 3), so as to be coupled with the second rotation shaft (20) to be able to reset the control mechanism.

Description

Domaine technique de l'inventionTechnical field of the invention

L'invention concerne un appareil électrique et son mécanisme de commande. Dans le présent document, le terme appareil électrique regroupe indifféremment plusieurs types d'appareils interrupteur tels qu'un interrupteur, un sectionneur, un disjoncteur, un interrupteur fusible, un recloser, etc. L'invention est particulièrement adaptée pour les appareils électriques de moyenne tension et haute tension, c'est-à-dire opérant sur un réseau d'alimentation électrique de tension supérieure à 1000V.The invention relates to an electrical apparatus and its control mechanism. In this document, the term electrical appliance includes either several types of switch devices such as a switch, a disconnector, a circuit breaker, a fuse switch, a recloser, etc. The invention is particularly suitable for medium voltage and high voltage electrical equipment, that is to say operating on a power supply network voltage greater than 1000V.

Etat de la techniqueState of the art

De façon connue, un tel appareil électrique possède des contacts qui sont mobiles afin de faire circuler ou non du courant dans les différentes phases d'un réseau électrique. Ces contacts sont mobiles entre une position fermée dans laquelle ils sont en contacts avec des contacts fixes correspondants et une position ouverte dans laquelle ils sont déconnectés de ces contacts fixes.In known manner, such an electrical device has contacts that are movable to circulate or not current in the different phases of an electrical network. These contacts are movable between a closed position in which they are in contact with corresponding fixed contacts and an open position in which they are disconnected from these fixed contacts.

Les mouvements d'ouverture et de fermeture des contacts mobiles sont réalisés à partir d'un mécanisme de commande qui est capable d'entraîner les contacts mobiles. Ce mécanisme de commande est réarmable de façon à être toujours prêt pour effectuer un éventuel prochain déclenchement de fermeture. Ce réarmement est réalisé à l'aide d'un module de réarmement qui est relié mécaniquement au mécanisme de commande pour lui permettre d'emmagasiner suffisamment d'énergie. Le réarmement consiste généralement à remettre sous tension des ressorts qui seront ainsi prêts à fermer rapidement les contacts dès qu'un ordre de fermeture surviendra.The opening and closing movements of the moving contacts are made from a control mechanism which is capable of driving the moving contacts. This control mechanism is resettable so that it is always ready to perform a possible next closing trip. This resetting is performed using a reset module which is mechanically connected to the control mechanism to enable it to store enough energy. Resetting usually consists of re-energizing the springs which will thus be ready to quickly close the contacts as soon as a closing order occurs.

Un module de réarmement peut fonctionner suivant différentes technologies en fonction des applications dans lesquelles l'appareil électrique est installé (par exemple, le module de réarmement peut comporter un système à engrenages planétaires ou un système à cliquet) et en fonction des choix du client utilisateur (par exemple, choix entre une commande manuelle ou motorisée).A reset module may operate according to different technologies depending on the applications in which the electrical device is installed (for example, the reset module may comprise a planetary gear system or a ratchet system) and according to the user client's choices. (for example, choice between a manual or motorized control).

Pour faciliter la fabrication de l'interrupteur, il serait avantageux que le choix entre ces différentes technologies du module de réarmement puisse se faire au dernier moment, lors de la personnalisation finale de l'appareil électrique, c'est-à-dire au démarrage du montage final de l'appareil électrique, lors de l'intégration de son mécanisme de commande.To facilitate the manufacture of the switch, it would be advantageous that the choice between these different technologies of the reset module can be done at the last moment, during the final customization of the electrical device, that is to say at startup final assembly of the electrical device, when integrating its control mechanism.

De plus, il existe d'autres fonctionnalités optionnelles qui concourent à la personnalisation de l'appareil électrique, comme par exemple la possibilité d'installer des contacts auxiliaires de l'appareil électrique qui permettent de savoir si les contacts mobiles de l'appareil électrique sont en position ouverte ou en position fermée. Or cette option est souvent réalisée en utilisant des liaisons mécaniques parfois complexes et/ou encombrantes entre les axes de commande des contacts mobiles de l'appareil électrique et ces contacts auxiliaires.In addition, there are other optional functionalities that contribute to the personalization of the electrical appliance, such as the possibility of installing auxiliary contacts of the electrical appliance that make it possible to know if the moving contacts of the electrical appliance are in the open position or in the closed position. However, this option is often achieved by using mechanical links sometimes complex and / or bulky between the control axes of the movable contacts of the electrical device and these auxiliary contacts.

Il existe donc un besoin de proposer une solution simple et économique permettant de faciliter la personnalisation du mécanisme de commande des contacts mobiles d'un appareil électrique et de simplifier la réalisation des fonctions auxiliaires.There is therefore a need to provide a simple and economical solution to facilitate the customization of the control mechanism of the movable contacts of an electrical device and simplify the realization of auxiliary functions.

Exposé de l'inventionPresentation of the invention

Ce but est atteint par un interrupteur électrique comprenant des contacts qui sont mobiles par actionnement d'un premier arbre de rotation et comprenant un mécanisme de commande des contacts mobiles qui est situé dans un logement et qui est réarmable par l'intermédiaire d'un second arbre de rotation. Il est caractérisé en ce que le premier arbre de rotation traverse une première paroi du logement et l'interrupteur comporte un premier capteur de rotation qui est couplé avec le premier arbre de rotation à l'extérieur du logement, de façon à mesurer le déplacement angulaire du premier arbre de rotation, et en ce que le second arbre de rotation traverse une deuxième paroi du logement et l'interrupteur comporte un module de réarmement qui est fixé de façon amovible à l'extérieur du logement contre la deuxième paroi, de façon à être couplé avec le second arbre de rotation pour pouvoir réarmer le mécanisme de commande.This object is achieved by an electrical switch comprising contacts which are movable by actuation of a first rotation shaft and comprising a movable contact control mechanism which is located in a housing and which can be reset via a second rotation shaft. It is characterized in that the first rotation shaft passes through a first wall of the housing and the switch comprises a first rotation sensor which is coupled with the first rotation shaft outside the housing, so as to measure the angular displacement. of the first rotation shaft, and in that the second rotation shaft passes through a second wall of the housing and the switch comprises a reset module which is removably attached to the outside of the housing against the second wall, so as to be coupled with the second rotation shaft to be able to reset the control mechanism.

Selon une caractéristique, la deuxième paroi du logement comporte des moyens de fixation capables de fixer un module de réarmement comportant un système à engrenages planétaires, et capables de fixer un module de réarmement comportant un système à cliquet. Le système à engrenages planétaires peut être entraîné par une manivelle ou par un moteur électrique. Le système à cliquet peut être entraîné par un levier ou par un moteur électrique.According to one feature, the second wall of the housing comprises fixing means capable of fixing a reset module comprising a planetary gear system, and capable of fixing a reset module comprising a ratchet system. The planetary gear system can be driven by a crank or an electric motor. The ratchet system can be driven by a lever or an electric motor.

Selon une autre caractéristique, le premier arbre de rotation comporte des cannelures longitudinales, le premier capteur de rotation comportant des cannelures complémentaires pour être entraîné par le premier arbre de rotation. Le second arbre de rotation comporte des cannelures longitudinales, le module de réarmement comportant des cannelures complémentaires pour être entraîné par le second arbre de rotationAccording to another characteristic, the first rotation shaft comprises longitudinal splines, the first rotation sensor having complementary splines to be driven by the first rotation shaft. The second rotation shaft comprises longitudinal splines, the reset module having complementary splines to be driven by the second rotation shaft

Selon une autre caractéristique, la première paroi et la deuxième paroi correspondent à une même paroi latérale du logement du mécanisme de commande. Alternativement, la première paroi et la deuxième paroi correspondent respectivement à deux parois latérales opposées du logement du mécanisme de commande.According to another characteristic, the first wall and the second wall correspond to the same side wall of the housing of the control mechanism. Alternatively, the first wall and the second wall respectively correspond to two opposite side walls of the housing of the control mechanism.

Selon une autre caractéristique, l'interrupteur comporte un second capteur de rotation qui est couplé avec le second arbre de rotation à l'extérieur du logement, de façon à mesurer l'angle de rotation du second arbre de rotation.According to another characteristic, the switch comprises a second rotation sensor which is coupled with the second rotation shaft outside the housing, so as to measure the rotation angle of the second rotation shaft.

Grâce à l'invention, le mécanisme de commande de l'appareil électrique est avantageusement de conception modulaire, c'est-à-dire qu'il peut facilement recevoir différents types de modules de réarmement interchangeables utilisant des technologies différentes, ainsi que des additifs optionnels. Il est ainsi personnalisable ce qui notamment optimise sa fabrication.Thanks to the invention, the control mechanism of the electrical apparatus is advantageously of modular design, that is to say that it can easily receive different types of interchangeable rearming modules using different technologies, as well as additives optional. It is thus customizable which in particular optimizes its manufacture.

De plus, comme ces modules de réarmement sont amovibles, le remplacement d'un module de réarmement utilisant une technologie par un autre utilisant une autre technologie est également facilité, de même que le remplacement d'un module de réarmement défectueux. Réciproquement, un même module de réarmement donné peut facilement être monté sur différents types d'appareils électriques.In addition, since these reset modules are removable, the replacement of a reset module using one technology with another using another technology is also facilitated, as well as the replacement of a defective reset module. Conversely, the same reset module can easily be mounted on different types of electrical devices.

Description détailléedetailed description

D'autres caractéristiques vont apparaître dans la description détaillée qui suit faite en regard des dessins annexés dans lesquels :

  • La figure 1 représente une vue partielle en perspective d'un mécanisme de commande d'un appareil électrique conforme à l'invention, sans module de réarmement ni capteur de rotation,
  • Les figures 2 et 3 montrent le mécanisme de commande de la figure 1 sur lequel sont montés différents types de modules de réarmement.
  • La figure 4 montre le mécanisme de commande de la figure 1 sur lequel sont montés des capteurs de rotation.
Other characteristics will appear in the following detailed description with reference to the appended drawings in which:
  • The figure 1 represents a partial perspective view of a control mechanism of an electrical apparatus according to the invention, without a reset module or rotation sensor,
  • The figures 2 and 3 show the control mechanism of the figure 1 on which are mounted different types of reset modules.
  • The figure 4 shows the control mechanism of the figure 1 on which rotational sensors are mounted.

Un appareil électrique comporte un mécanisme de commande pour l'ouverture et la fermeture des contacts mobiles de l'appareil électrique. Ce mécanisme de commande est généralement situé sur la face avant de l'appareil électrique, de façon à être pilotable par un opérateur via des organes de dialogue homme-machine (boutons, indicateurs, commandes électriques à distance, ...).An electrical apparatus includes a control mechanism for opening and closing the moving contacts of the electrical apparatus. This mechanism of control is usually located on the front of the electrical device, so as to be controllable by an operator via human-machine dialogue organs (buttons, indicators, remote electrical controls, ...).

Le mécanisme de commande comporte des pièces mécaniques complexes et doit être capable d'emmagasiner beaucoup d'énergie, notamment via différents ressorts pour effectuer les mouvements de fermeture et d'ouverture, et en particulier être capable d'effectuer des séquences de type "Ouverture-Fermeture-Ouverture" qui sont requises dans certaines conditions normalisées. Pour emmagasiner cette énergie, le mécanisme de commande est couplé avec un module de réarmement, manuel ou motorisé, en charge de réarmer le mécanisme de commande.The control mechanism comprises complex mechanical parts and must be able to store a lot of energy, in particular via different springs to perform the closing and opening movements, and in particular to be able to perform "opening" type sequences. -Closing-Opening "that are required under certain standardized conditions. To store this energy, the control mechanism is coupled with a reset module, manual or motorized, responsible for rearming the control mechanism.

Les figures 1, 2 et 3 montrent un mécanisme de commande 1 d'un appareil électrique interrupteur pour réseau électrique moyenne ou haute tension. Le mécanisme de commande 1 est logé dans un logement dont les contours sont matérialisés par deux parois latérales parallèles 2 et 3. Le logement du mécanisme de commande 1 est également matérialisé par une face arrière 4 qui est destinée à être fixée sur l'interrupteur (non représenté sur la figure) et une face avant sur laquelle viendra se placer notamment une interface homme-machine pour piloter l'appareil. Les deux parois latérales peuvent être liées entre elles par plusieurs éléments de fixation 5.The Figures 1, 2 and 3 show a control mechanism 1 of a switch electrical apparatus for medium or high voltage electrical network. The control mechanism 1 is housed in a housing whose contours are embodied by two parallel side walls 2 and 3. The housing of the control mechanism 1 is also embodied by a rear face 4 which is intended to be fixed on the switch ( not shown in the figure) and a front face on which will be placed in particular a man-machine interface to control the device. The two side walls can be interconnected by several fastening elements 5.

De façon connue, le mécanisme de commande 1 comporte un premier arbre de rotation 10 qui est couplé mécaniquement avec les contacts mobiles de l'appareil électrique de façon à pouvoir ouvrir et fermer ces contacts mobiles. Seule une partie 6 de ce couplage est montré en figure 1. Le mécanisme de commande 1 comporte également un second arbre de rotation 20 qui permet de réarmer les ressorts du mécanisme de commande 1, afin que l'appareil emmagasine suffisamment d'énergie.In known manner, the control mechanism 1 comprises a first rotation shaft 10 which is mechanically coupled with the movable contacts of the electrical apparatus so as to open and close these movable contacts. Only part 6 of this coupling is shown in figure 1 . The control mechanism 1 also comprises a second rotation shaft 20 which makes it possible to reset the springs of the control mechanism 1, so that the apparatus stores enough energy.

Selon l'invention, le second arbre de rotation 20 traverse une des parois latérales 2, 3 du logement, appelée deuxième paroi, et l'appareil comporte un module de réarmement 25, 26 qui est fixé à l'extérieur du logement contre la deuxième paroi, de façon à être couplé avec le second arbre de rotation 20, comme indiqué dans les figures. Une fois couplé, le module de réarmement 25, 26 est capable de réarmer le mécanisme de commande. Ce couplage mécanique peut être fait simplement, par exemple à l'aide de cannelures longitudinales 21 sur une partie du second arbre de transmission 20 coopérant avec des cannelures complémentaires dans le module de réarmement 25, 26.According to the invention, the second rotation shaft 20 passes through one of the side walls 2, 3 of the housing, called the second wall, and the apparatus comprises a rearming module 25, 26 which is fixed outside the housing against the second wall, so as to be coupled with the second rotation shaft 20, as shown in the figures. Once coupled, the resetting module 25, 26 is capable of rearming the control mechanism. This mechanical coupling can be done simply, for example by means of longitudinal splines 21 on a part of the second transmission shaft 20 cooperating with complementary splines in the resetting module 25, 26.

Dans le mode de réalisation de la figure 2, le module de réarmement 25 comporte un système à engrenages planétaires qui peut être soit motorisé et commandable à distance, soit actionné manuellement par rotation d'une manivelle située en face avant de l'appareil (non représentée).In the embodiment of the figure 2 , the reset module 25 comprises a planetary gear system which can be either motorized and remotely controllable, or manually operated by rotation of a crank located on the front of the apparatus (not shown).

Dans le mode de réalisation de la figure 3, un autre module de réarmement 26 utilise une technologie alternative qui comporte un système à cliquet. Dans la figure 3, ce système à cliquet 26 est entraîné par un ensemble motoréducteur comprenant un moteur électrique 27 associé à un réducteur 28. Ce système à cliquet 26 pourrait aussi être entraîné par pompage à l'aide d'un levier manuel en face avant.In the embodiment of the figure 3 another resetting module 26 uses an alternative technology which includes a ratchet system. In the figure 3 , this ratchet system 26 is driven by a geared motor assembly comprising an electric motor 27 associated with a gearbox 28. This ratchet system 26 could also be driven by pumping with the aid of a manual lever on the front face.

Comme pour le module de réarmement 25 à engrenages planétaires, le module de réarmement 26 à cliquet ainsi que l'ensemble motoréducteur 27, 28 peuvent être fixés de manière amovible à l'extérieur du logement contre la deuxième paroi et être ainsi couplé au mécanisme de commande 1, par exemple grâce à un simple agencement de type vis/écrous/entretoises 8.As with the planetary gear reset module 25, the ratchet reset module 26 and the geared motor assembly 27, 28 can be removably attached to the outside of the housing against the second wall and thus be coupled to the gear mechanism. control 1, for example by a simple arrangement of screws / nuts / spacers 8.

Cette structure modulaire avantageuse de l'appareil électrique permet ainsi de choisir au dernier moment le module de réarmement 25, 26 souhaité, de le démonter facilement et le remplacer par un autre, sans effectuer d'autre modification ou intervention au niveau du mécanisme de commande 1, ce qui donne beaucoup de souplesse dans l'adaptation au dernier moment de l'appareil électrique aux besoins de l'application ou du client utilisateur et dans la maintenance de l'appareil électrique.This advantageous modular structure of the electrical apparatus thus makes it possible to choose at the last moment the resetting module 25, 26 desired, to easily dismount it and replace it with another, without making any other modification or intervention on the level of the control mechanism. 1, which gives a lot of flexibility in the adaptation at the last moment of the electrical appliance to the needs of the application or the user client and in the maintenance of the electrical appliance.

Selon l'invention, le premier arbre de rotation 10, qui donne l'image de la position des contacts mobiles de l'appareil, traverse également une des parois latérales 2, 3 du logement, appelée première paroi.According to the invention, the first rotation shaft 10, which gives the image of the position of the moving contacts of the apparatus, also passes through one of the side walls 2, 3 of the housing, called the first wall.

Dans le mode de réalisation préféré, la première paroi et la deuxième paroi correspondent à une même paroi latérale 2 du logement du mécanisme de commande 1, c'est-à-dire que les arbres de rotation 10, 20 sortent du même côté et traversent donc la même paroi latérale 2. Alternativement, on aurait pu envisager que la première paroi et la deuxième paroi correspondent aux deux parois latérales opposées 2, 3 du logement du mécanisme de commande, par exemple la première paroi est la paroi 2 et la deuxième paroi est la paroi 3.In the preferred embodiment, the first wall and the second wall correspond to the same side wall 2 of the housing of the control mechanism 1, that is to say that the rotation shafts 10, 20 leave the same side and pass through therefore, the same side wall 2. Alternatively, it could have been envisaged that the first wall and the second wall correspond to the two opposite side walls 2, 3 of the housing of the control mechanism, for example the first wall is the wall 2 and the second wall is the wall 3.

La figure 4 reprend le mécanisme de commande 1 de la figures 1 et ajoute un premier capteur de rotation 12 qui est couplé avec le premier arbre de rotation 10 à l'extérieur du logement, grâce par exemple à des cannelures longitudinales 11 sur l'arbre 10 qui coopèrent avec des cannelures complémentaires dans le premier capteur de rotation 12. Le premier capteur de rotation 12 peut être fixé directement contre la première paroi 2, mais on pourrait aussi envisager qu'il soit légèrement décalé par rapport à la première paroi 2 tout en restant évidemment couplé avec le premier arbre de rotation 10.The figure 4 takes over the control mechanism 1 from the figures 1 and adds a first rotation sensor 12 which is coupled with the first rotation shaft 10 outside the housing, for example by means of longitudinal splines 11 on the shaft 10 which cooperate with complementary splines in the first rotation sensor 12. The first rotation sensor 12 can be fixed directly against the first wall 2, but it could also be envisaged that it is slightly offset relative to the first wall 2 while remaining obviously coupled with the first rotation shaft 10.

Ainsi, le premier capteur de rotation 12 est capable de mesurer le déplacement angulaire du premier arbre de rotation 10 et d'en déduire l'information sur l'état (ouvert ou fermé) des contacts mobiles de l'appareil. Il fournit un ou plusieurs signaux de sortie 13 qui peuvent être utilisés notamment à des fins de supervision ou d'information sur l'état des contacts mobiles de l'appareil et aussi pour commander électriquement des contacts auxiliaires de l'appareil, ce qui évite d'avoir des liaisons mécaniques parfois complexes ou encombrantes entre le premier arbre de rotation 10 et des organes de commande de contacts auxiliaires. Le premier capteur de rotation 12 est également capable de donner des informations sur la vitesse du mouvement de fermeture.Thus, the first rotation sensor 12 is able to measure the angular displacement of the first rotation shaft 10 and to deduce the information on the state (open or closed) of the movable contacts of the device. It provides one or more output signals 13 which may be used in particular for monitoring purposes or information on the state of the movable contacts of the apparatus and also for electrically controlling auxiliary contacts of the apparatus, thereby avoiding to have mechanical links sometimes complex or bulky between the first rotation shaft 10 and auxiliary contact control members. The first rotation sensor 12 is also capable of giving information on the speed of the closing movement.

La figure 4 montre également un second capteur de rotation 22 optionnel qui est couplé avec le second arbre de rotation 20 à l'extérieur du logement, grâce aux cannelures longitudinales 21 sur l'arbre 20 qui coopèrent avec des cannelures complémentaires dans le second capteur de rotation 22. Ce second capteur de rotation 22 est par exemple fixé et placé entre module de réarmement 26 et le réducteur 28.The figure 4 also shows a second optional rotation sensor 22 which is coupled with the second rotation shaft 20 outside the housing, thanks to the longitudinal splines 21 on the shaft 20 which cooperate with complementary splines in the second rotation sensor 22. This second rotation sensor 22 is for example fixed and placed between the reset module 26 and the gearbox 28.

Le second capteur de rotation 22 fournit ainsi un signal de sortie représentatif de l'angle de rotation effectué par le second arbre de rotation 20 de façon notamment à déterminer l'énergie excédentaire (donc résiduelle) du mécanisme de commande lors d'un mouvement de fermeture. En effet, les variations du déplacement angulaire du second arbre 20 donnent des informations sur la réserve d'énergie disponible lors d'un mouvement de fermeture. La variation dans le temps de cette réserve d'énergie permettra avantageusement de détecter une usure des pièces du mécanisme de commande, dans un but de maintenance préventive. Le second capteur de rotation 22 pourrait également fournir un signal représentatif de la vitesse des mouvements de l'arbre 20.The second rotation sensor 22 thus provides an output signal representative of the angle of rotation made by the second rotation shaft 20 so as in particular to determine the excess energy (therefore residual) of the control mechanism during a movement of closing. Indeed, the variations of the angular displacement of the second shaft 20 give information on the energy reserve available during a closing movement. The variation over time of this energy reserve will advantageously make it possible to detect wear of the parts of the control mechanism, for the purpose of preventive maintenance. The second rotation sensor 22 could also provide a signal representative of the speed of the movements of the shaft 20.

Grâce à la structure modulaire apportée par l'invention, il est donc très facile de rajouter sur un mécanisme de commande conforme à l'invention, un ou plusieurs capteurs de rotation permettant d'enrichir les fonctionnalités de l'appareil.Thanks to the modular structure provided by the invention, it is therefore very easy to add to a control mechanism according to the invention, one or more rotation sensors to enrich the functionality of the device.

Claims (10)

Interrupteur électrique comprenant des contacts qui sont mobiles par actionnement d'un premier arbre de rotation (10) et comprenant un mécanisme de commande (1) des contacts mobiles qui est situé dans un logement et qui est réarmable par l'intermédiaire d'un second arbre de rotation (20), caractérisé en ce que - le premier arbre de rotation (10) traverse une première paroi (2, 3) du logement et l'interrupteur comporte un premier capteur de rotation (12) qui est couplé avec le premier arbre de rotation (10) à l'extérieur du logement, de façon à mesurer le déplacement angulaire du premier arbre de rotation, - le second arbre de rotation (20) traverse une deuxième paroi (2, 3) du logement et l'interrupteur comporte un module de réarmement (25, 26) qui est fixé de façon amovible à l'extérieur du logement contre la deuxième paroi (2, 3), de façon à être couplé avec le second arbre de rotation (20) pour pouvoir réarmer le mécanisme de commande. Electrical switch comprising contacts which are movable by actuation of a first rotation shaft (10) and comprising a control mechanism (1) of the movable contacts which is located in a housing and which can be reset via a second rotation shaft (20), characterized in that the first rotation shaft (10) passes through a first wall (2, 3) of the housing and the switch comprises a first rotation sensor (12) which is coupled with the first rotation shaft (10) outside the housing; housing, so as to measure the angular displacement of the first rotation shaft, the second rotation shaft (20) passes through a second wall (2, 3) of the housing and the switch comprises a reset module (25, 26) which is removably fixed outside the housing against the second wall; (2, 3), so as to be coupled with the second rotation shaft (20) to be able to reset the control mechanism. Interrupteur électrique selon la revendication 1, caractérisé en ce que la deuxième paroi (2, 3) du logement comporte des moyens de fixation capables de fixer un module de réarmement comportant un système à engrenages planétaires (25), et capables de fixer un module de réarmement comportant un système à cliquet (26).Electrical switch according to claim 1, characterized in that the second wall (2, 3) of the housing comprises fixing means capable of fixing a reset module comprising a planetary gear system (25), and capable of fixing a module of reset comprising a ratchet system (26). Interrupteur électrique selon la revendication 2, caractérisé en ce que le système à engrenages planétaires (25) est entraîné par une manivelle ou par un moteur électrique.Electrical switch according to Claim 2, characterized in that the planetary gear system (25) is driven by a crank or an electric motor. Interrupteur électrique selon la revendication 2, caractérisé en ce que le système à cliquet (26) est entraîné par un levier ou par un moteur électrique.Electrical switch according to Claim 2, characterized in that the ratchet system (26) is driven by a lever or an electric motor. Interrupteur électrique selon la revendication 1, caractérisé en ce que le premier arbre de rotation (10) comporte des cannelures longitudinales (11), le premier capteur de rotation (12) comportant des cannelures complémentaires pour être entraîné par le premier arbre de rotation (10).Electrical switch according to claim 1, characterized in that the first rotary shaft (10) has longitudinal splines (11), the first rotation sensor (12) having complementary splines for being driven by the first rotary shaft (10). ). Interrupteur électrique selon la revendication 1, caractérisé en ce que le second arbre de rotation (20) comporte des cannelures longitudinales (21), le module de réarmement comportant des cannelures complémentaires pour être entraîné par le second arbre de rotation (20).Electrical switch according to claim 1, characterized in that the second rotation shaft (20) has longitudinal grooves (21), the resetting having complementary splines to be driven by the second rotation shaft (20). Interrupteur électrique selon la revendication 1, caractérisé en ce que le capteur de rotation est fixé contre la première paroi (2, 3).Electrical switch according to Claim 1, characterized in that the rotation sensor is fixed against the first wall (2, 3). Interrupteur électrique selon la revendication 1, caractérisé en ce que la première paroi et la deuxième paroi correspondent à une même paroi latérale (2) du logement du mécanisme de commande (1).Electrical switch according to claim 1, characterized in that the first wall and the second wall correspond to the same side wall (2) of the housing of the control mechanism (1). Interrupteur électrique selon la revendication 1, caractérisé en ce que la première paroi et la deuxième paroi correspondent respectivement à deux parois latérales opposées (2, 3) du logement du mécanisme de commande (1).Electrical switch according to claim 1, characterized in that the first wall and the second wall respectively correspond to two opposite side walls (2, 3) of the housing of the control mechanism (1). Interrupteur électrique selon la revendication 1, caractérisé en ce que l'interrupteur comporte un second capteur de rotation (22) qui est couplé avec le second arbre de rotation (20) à l'extérieur du logement, de façon à mesurer l'angle de rotation du second arbre de rotation (20).Electrical switch according to claim 1, characterized in that the switch comprises a second rotation sensor (22) which is coupled with the second rotation shaft (20) outside the housing, so as to measure the angle of rotation of the second rotation shaft (20).
EP18205940.2A 2017-12-15 2018-11-13 Electrical apparatus with removable reset module Active EP3499542B1 (en)

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FR1762203A FR3075459B1 (en) 2017-12-15 2017-12-15 ELECTRICAL APPARATUS WITH REMOVABLE RESET MODULE

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US10847327B2 (en) 2020-11-24
EP3499542B1 (en) 2020-04-29
US20190189366A1 (en) 2019-06-20
FR3075459A1 (en) 2019-06-21
CN109935493A (en) 2019-06-25
CN109935493B (en) 2023-04-21
FR3075459B1 (en) 2019-11-08

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