EP3815119B1 - Manual control device for remotely operated source inverter - Google Patents

Manual control device for remotely operated source inverter Download PDF

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Publication number
EP3815119B1
EP3815119B1 EP19752539.7A EP19752539A EP3815119B1 EP 3815119 B1 EP3815119 B1 EP 3815119B1 EP 19752539 A EP19752539 A EP 19752539A EP 3815119 B1 EP3815119 B1 EP 3815119B1
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EP
European Patent Office
Prior art keywords
control device
rotating element
contacts
cowling
electrical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19752539.7A
Other languages
German (de)
French (fr)
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EP3815119A1 (en
Inventor
Roger Dumont
Olivier Robert
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.)
Socomec SA
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Socomec SA
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Publication of EP3815119A1 publication Critical patent/EP3815119A1/en
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Publication of EP3815119B1 publication Critical patent/EP3815119B1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/62—Contacts actuated by radial cams
    • 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
    • H01H3/3005—Charging means
    • H01H3/3021—Charging means using unidirectional 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/0264—Protective covers for terminals

Definitions

  • the invention relates to low voltage electrical equipment and more particularly to automatic switches comprising a manual control for opening and/or closing the contacts for maintenance.
  • the invention relates more particularly to manual control of opening and/or closing of contacts in an electrical device and its operation in relation to automatic control.
  • the maneuver is called dependent, that is, the contacts are moved depending on the speed of maneuver.
  • a device for controlling the opening and/or closing of the contacts in an electrical apparatus comprising a control crank connected in an articulated manner to a frame and driven in rotation by a control member between a first position corresponding to a position closed contacts and a second position corresponding to an open position of the contacts.
  • the device further comprises a compression spring connected in an articulated manner by one of its ends to the control crank, and mechanically connected to the movable contact by a second end opposite the first.
  • the device further comprises a connecting rod connected in an articulated manner by one of its ends to the crank and mechanically connected to the movable contact by a second end opposite the first.
  • the spring is configured to be compressed, by its first end, by the crank, up to a so-called neutral passage position from which the spring becomes the driving force and acts, during its decompression, on the movable contact and the control crank so as to move the moving contact.
  • control of such a device is carried out by a single operation.
  • the device allows the drive of the camshaft via the connecting rod in an autonomous manner under the effect of the operating spring, once the operating lever has passed the dead center passage line. This operation is activated both during a closing maneuver and during an opening maneuver of the device.
  • the device described in the above document is complex and comprises a large number of parts which generate a large bulk, in particular in an axial direction defined by the axis of rotation of the operating crank.
  • the invention aims to overcome the drawbacks mentioned above by proposing a device for controlling the switching of contacts in an electrical device, the device having a reduced size and allowing in all circumstances to pass from an automatic control to a manual control. with a handle operating speed completely independent of the speed of the contacts.
  • Another object of the invention is to provide such a device which also allows the forcing of the contacts in the event of welding of the latter.
  • a device for controlling the switching of contacts in an electrical device comprising a housing inside which are mounted a control lever in pivot connection with the housing and configured to be moved in rotation between a first position corresponding to a position in which the contacts are closed on a primary power supply and a second position corresponding to a position in which the contacts are closed on a secondary power supply, a rotation element connected to the lever by an intermediate shaft, an actuating shaft mechanically connected to the rotation member and to electrical contacts and configured to pivot between a first and a second position for switching the electrical contacts, the housing further comprising a slot through which the lever passes to allow its actuation from outside the housing in the manual operating mode of the device
  • the contact switching control device further comprises a torsion spring comprising a first end cooperating with the control lever and a second end cooperating with the rotation element, and a first pawl and a second pawl mounted scissor-wise via a torsion spring, the first pawl cooperating, in a manual mode of operation of the device, with a first stop of the rotation element in a first position of the rotation element and with a first cam path of the control lever for disengaging the first pawl from the first abutment and releasing the rotation element, and the cooperating second pawl, in a manual mode of operation of the device, with a second abutment of the rotation element in a second position of the rotation element and with a second cam path of the control lever for disengaging the second pawl from the second abutment and releasing the rotation element.
  • a torsion spring comprising a first end cooperating with the control lever and a second end cooperating with the rotation element, and a first pawl and a
  • the control device thus makes it possible to have a movement of the contacts that is rapid and independent of the speed of actuation of the control lever with a minimum of parts and thus reducing the size.
  • the housing may comprise a cover that can be moved between an open position and a closed position, the cover being configured to, in the closed position, prevent access to the control lever and disengage the first and second pawls of the rotation element to prevent any cooperation between the pair of pawls and the rotation element and to allow operation of the device in an automatic mode, and to, in the open position, engage the first and second pawls at the contact of the rotation element and allow operation of the device in manual mode.
  • the cover makes it possible to prevent any involuntary mechanical interaction between the external environment and the control lever.
  • the conformation of the cover makes it possible to engage the pawls in the rotation element when the cover is opened and thus allow automation of the passage of the device into manual mode when the cover is opened.
  • the cover may be transparent so as to be able to visually check the state in which the control device is located, and thus the state in which the contacts are located, at whether open or closed.
  • the device may further comprise at least one switch cooperating mechanically with the cover to activate or cut the power supply of the control device allowing it to operate in the automatic mode and/or or to activate or deactivate the transmission of power information electric of the control device for its operation in the automatic mode.
  • the cover can be held in the closed position by a removable screw using a screwdriver.
  • Closing the cover with a removable screw makes it possible to prevent access to the control lever by a user without a tool and thus limit unwanted actuations of the control lever.
  • the cover may include an orifice cooperating with a housing housing allowing the sealing, or sealing, of the cover, that is to say a final closing of the cover to prevent access.
  • the casing may also comprise an additional slot arranged opposite an actuator directly engaged on the actuating shaft and allowing manual forcing of the opening or closing the contacts, and an inner cover mounted in translation between a rest position where the inner cover covers the additional slot and a working position where the inner cover frees access to the additional slot.
  • the interior cover in translation makes it possible to hide access to the actuator to thus prevent involuntary forcing of the contacts.
  • the inner cover includes an internal extension disposed between the housing and the conforming pawls to disengage the pawls from the rotation element when the cover is positioned in a position in which the additional slot is accessible, and to engage the pawls on the rotation element when the cover is in a position in which the additional slot is inaccessible.
  • the casing may further comprise an elastic means making it possible to return the inner cover to its rest position after passing into the working position.
  • the elastic means thus makes it possible to maintain a default configuration of the control device in which the contact forcing actuator cannot be accessed without a voluntary action being carried out and maintained to release access to the slot. access and allow the introduction of a tool into the slot to actuate the actuator.
  • the cover can cover, in the closed position, the inner cover, preventing any manual access to the additional slot.
  • the device may also comprise an ergonomic handle fixed to a free end of the control lever.
  • FIG. 1 Illustrated is a top view of an electrical switching device 1 according to one embodiment of the invention.
  • the electrical switching device 1 comprises a part 2 intended to make the electrical connections with external electrical devices via electrical contacts that can be moved between a first position in which the circuit is closed on a primary power supply and a second position in which the circuit is closed on a secondary power supply, and a control device 3 for switching the electrical contacts.
  • the control device 3 comprises a casing 4 on which is mounted a transparent outer cover 5 capable of pivoting about an axis 6 fixed to the casing 4.
  • the outer cover 5 is held on the casing 4 in the closed position using a screw 7 screwed into a threaded hole 70 of the housing 4 through a hole 57 provided in the outer cover 5.
  • the outer cover 5 further comprises an orifice 8 cooperating with an orifice 84 provided in the housing 4 to seal the outer cover 5 on the housing 4, that is to say to put a device making it possible to check that the cover does not has not been opened in the meantime, the device may be a sealed link.
  • the housing 4 comprises a lower part 4a and an upper part 4b. Inside the housing 4 are mounted a control lever 10 in pivot connection with the housing 4, a rotation element 11 mechanically connected to the control lever 10 by an intermediate mechanical transmission shaft 12 illustrated in the picture 3 which represents an exploded view of the various actuators of the control device of the figure 2 , and an actuating shaft 13 mechanically connected to the rotation element 11, on the one hand, and to electrical contacts, on the other hand.
  • the actuating shaft 13 defines an axial direction D A along which the shaft extends, and a radial direction D R extending in a plane orthogonal to the axial direction D A .
  • the upper part 4b of the casing 4 comprises a first slot 9 through which the control lever 10 passes to allow its actuation by a user from outside the housing 4 in the manual operating mode of the control device.
  • the control lever 10 comprises a circular main portion 10a and an extension 10b extending radially projecting outwards from the main portion 10a.
  • the extension 10b of the control lever 10 comprises a free end 10c on which is mounted an ergonomic handle 101 for the actuation of the lever by a user.
  • the control lever 10 is configured to be moved in rotation between a first position corresponding to the position where the circuit is closed on a primary power supply and a second position corresponding to the position where the circuit is closed on a secondary power supply.
  • the rotation element 11 is centered on the same axis of rotation as that of the control lever 10, the axis of rotation being materialized by the intermediate shaft 12.
  • the actuating shaft 13 is offset with respect to the axis of rotation of the control lever 10 and of the rotation element 11.
  • the intermediate shaft 12 and the actuating shaft 13 are therefore not coaxial but extend in the axial direction D A .
  • the actuating shaft 13 is configured to pivot between a first and a second position to switch the electrical contacts.
  • the actuating shaft 13 is driven in pivoting using an actuator 14 mounted on the actuating shaft 13 and extending radially with respect to the actuating axis 13, and a lug 15 mounted on the rotation element 11 and extending in the axial direction D A opposite the control lever 10, that is to say towards the actuator 14.
  • actuator 14 comprises a slot 16 receiving the lug 15 and inside which the lug 15 slides according to the position of the rotation element 11.
  • the lug 15 is positioned outside the axis of rotation 13 of the rotation element 6.
  • the lug 15 moves with the rotation element 11 between two positions corresponding respectively to the first position of the contacts and the second position of the contacts by describing a arc of circle between these two positions.
  • the pin 15 oscillates inside the slot 16 of the actuator during movement between its two positions.
  • the control device 3 further comprises a contact forcing lever 17 mechanically connected to the control lever 10 via the intermediate shaft 13.
  • the control lever 10, the rotation element 11 and the forcing lever 17 are therefore coaxial.
  • the forcing lever 17 comprises a circular main portion 17a and an extension 17b extending radially projecting outward from the main portion 17a.
  • the extension 17b of the control lever 10 comprises a free end 17c in which is provided an orifice 18 allowing the introduction of a tool to force the actuation of the actuation shaft 13 and thus force the engagement or the disengagement of electrical contacts.
  • the control lever 10 is mounted, in the axial direction D A , between the forcing lever 17 and the rotation element 11.
  • the control device 3 further comprises a torsion spring 20 mounted between the control lever 10 and the rotation element 11.
  • the torsion spring 20 comprises a first end 20a cooperating with the control lever 10 and a second end 20b cooperating with the rotation element 11.
  • the figure 8A shows a partial top view of the control device according to one embodiment of the invention and the figure 8B shows a sectional view along plane B of the control device according to one embodiment of the invention.
  • the control device 3 also comprises a first pawl 21 and a second pawl 22 scissor-mounted via a torsion spring 23 visible on the figure 8 .
  • the first pawl 21 cooperates, in a first position of the rotation element 11, on the one hand, with a first stop 11a provided on the rotation element 11 for maintain the rotation element 11 in the first position for part of the movement of the control lever 10, and, on the other hand, with a first cam track 100 of the control lever 10 to disengage the first pawl 21 from the first stop 11a and release the rotation element 11.
  • the second pawl 22 cooperates, in a second position of the rotation element 11, with a second stop 11b of the rotation element 11 and with a second cam path 105 of the control lever 10 to disengage the second pawl 22 from the second stop and release the rotation element 11.
  • the first and second pawls 21 and 22 each comprise a first end, respectively 21a and 22a, and a second end, respectively 21b and 22b.
  • the second end 21b and 22b of each pawl 21 and 22 is arranged opposite the rotation element 11 in the radial direction D R
  • the first end 21a and 22a of each pawl 21 and 22 is opposite in the radial direction D R at the second end 21b and 22b.
  • the first end 21a and 22a is therefore radially external with respect to the second end 21b and 22b which is radially internal.
  • the first pawl 21 comprises a first axial protrusion 210 extending in the axial direction D A towards the control lever 10 and the second pawl 22 comprises a second axial protuberance 220 also extending in the axial direction D A towards the control lever.
  • the first and second protrusions 210 and 220 are arranged radially opposite the main portion 10a of the control lever 10 carrying the first and second cam tracks 100 and 105. In other words, the first and second protrusions 210 and 220 are arranged in the same radial plane as the first and second cam tracks 100 and 105 of the control lever 10.
  • the first and second pawls 21 and 22 are moved by the outer cover 5.
  • the automatic operation is then possible.
  • the automatic operation is operated via an electromechanical member 28, such as an electric actuator, coupled via a connecting rod 29 to the rotation element 11 and configured to pivot the rotation element 11 between its first and its second positions.
  • the control device 3 further comprises a first and a second switch 30 and 31 cooperating mechanically with the outer cover 5 to activate or cut the power supply of the device 3 control.
  • Each switch 30 and 31 comprises a tongue, respectively 32 and 33, of contact which makes it possible to close the switch when the tongue is pressed all the way.
  • the outer cover 5 includes an end 50 which, when the outer cover 5 is closed, bears against the two tabs 32 and 33 of the switches 30 and 31 so as to close the circuits of the switches 30 and 31.
  • the closing of the first switch 30 makes it possible to establish the power supply of the control device 3 and in particular the electromechanical member 28 so that the control device 3 can operate in an automatic mode.
  • the closing of the second switch 31 enables the transmission of information relating to the power supply of the control device 3 for its operation in the automatic mode.
  • the two switches 30 and 31 thus make it possible to electrically supply the control device 3 so that it operates in an automatic mode when the outer cover 5 is closed, the pawls 21 and 22 being disengaged from the rotation element, and cut off the power supply to the electromechanical component 28 when the outer cover 5 is open and thus prevent automatic operation while the pawls 21 and 22 are engaged on the rotation element 11 and allow the manual operation of the device 3 control.
  • the control device 3 further comprises an inner cover 40 mounted in translation on the housing 4 inside the outer cover 5 when the latter is closed on the housing 4.
  • the inner cover 40 comprises a slot 41 through which the radial extension 10b of the control lever 10.
  • the slot 41 of the inner cover 40 has a width, that is to say a dimension in the axial direction D A , greater than the width, that is to say the dimension in the axial direction D A , of the radial extension 10b of the control lever 10 which makes it possible to move the inner cover 40 in the axial direction D A .
  • the housing comprises a second slot 90 extending parallel to the first slot 9 of the housing 4, that is to say in a direction perpendicular to the axial direction D A .
  • the second slot 90 is made opposite the forcing lever 17, and extends over the entire stroke of the free end 17c of the forcing lever 17.
  • the first slot 9 is thus arranged in the axial direction D A between the second slot 90 and part 2 for electrical connections.
  • the ergonomic handle 101 is configured and arranged so as not to extend in the radial plane in which the radial extension 17b of the forcing lever 17 extends so as not to hinder access to the forcing lever 17.
  • the inner cover 40 is shaped to cover the second slot 90 of the casing 4 when it is in a first position and free access to the second slot 90 of the casing 40 when it is translated into a second position.
  • the control device 3 further comprises a compression spring arranged in the axial direction D A between the inner cover 40 and an abutment of the housing 4.
  • the compression spring maintains by default the inner cover 40 in its first position in which the cover interior 40 covers the second slot 90 preventing any access to the orifice 18 of the forcing lever 17.
  • the compression spring is compressible to allow the translation of the inner cover 40 in the axial direction D A to free access to the second slot 90 of the housing.

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  • Mechanical Control Devices (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Description

Arrière-plan de l'inventionBackground of the invention

L'invention concerne les appareillages électriques basse tension et plus particulièrement les commutateurs automatiques comportant une commande manuelle d'ouverture et/ou de fermeture des contacts pour la maintenance.The invention relates to low voltage electrical equipment and more particularly to automatic switches comprising a manual control for opening and/or closing the contacts for maintenance.

L'invention concerne plus particulièrement la commande manuelle d'ouverture et/ou de fermeture des contacts dans un appareil électrique et son fonctionnement par rapport à la commande automatique.The invention relates more particularly to manual control of opening and/or closing of contacts in an electrical device and its operation in relation to automatic control.

Souvent, sur les appareils à commande à distance de ce type, la manœuvre est dite dépendante, c'est-à-dire que les contacts sont déplacés en fonction de la vitesse de manœuvre.Often, on devices with remote control of this type, the maneuver is called dependent, that is, the contacts are moved depending on the speed of maneuver.

Or, il est très dangereux de faire des manœuvres en charge avec une commande manuelle dépendante de la vitesse de manœuvre de l'opérateur.However, it is very dangerous to carry out maneuvers under load with a manual control dependent on the operating speed of the operator.

Il est connu de la demande de brevet EP 0 417 015 , un dispositif de commande de l'ouverture et/ou de la fermeture des contacts dans un appareil électrique comprenant une manivelle de commande reliée de manière articulée à un bâti et entraînée en rotation par un organe de commande entre une première position correspondant à une position fermée des contacts et une seconde position correspondant à une position ouverte des contacts. Le dispositif comprend en outre un ressort de compression relié de manière articulée par une première de ses extrémités à la manivelle de commande, et reliée mécaniquement au contact mobile par une seconde extrémité opposée à la première. Le dispositif comprend en outre une bielle de liaison reliée de manière articulée par une première de ses extrémités à la manivelle et reliée mécaniquement au contact mobile par une seconde extrémité opposée à la première. Le ressort est configuré pour être comprimé, par sa première extrémité, par la manivelle, jusqu'à une position dite de passage de point mort à partir de laquelle le ressort devient moteur et agit, lors de sa décompression, sur le contact mobile et la manivelle de commande de manière à déplacer le contact mobile.It is known from the patent application EP 0 417 015 , a device for controlling the opening and/or closing of the contacts in an electrical apparatus comprising a control crank connected in an articulated manner to a frame and driven in rotation by a control member between a first position corresponding to a position closed contacts and a second position corresponding to an open position of the contacts. The device further comprises a compression spring connected in an articulated manner by one of its ends to the control crank, and mechanically connected to the movable contact by a second end opposite the first. The device further comprises a connecting rod connected in an articulated manner by one of its ends to the crank and mechanically connected to the movable contact by a second end opposite the first. The spring is configured to be compressed, by its first end, by the crank, up to a so-called neutral passage position from which the spring becomes the driving force and acts, during its decompression, on the movable contact and the control crank so as to move the moving contact.

La commande d'un tel dispositif est réalisée par une seule opération.The control of such a device is carried out by a single operation.

Il est également connu du document EP 2 161 730 un dispositif de commande des contacts d'un appareil de coupure électrique comprenant un bâti, une manivelle de manœuvre couplée à une manivelle d'actionnement d'un arbre à came via une bielle de liaison, l'arbre à came étant relié à un dispositif d'entraînement des contacts, une manivelle de compression coaxiale avec la manivelle de manœuvre et couplée à une bielle de guidage via un ressort de manœuvre, un levier de manœuvre entraînant la manivelle de compression à l'aide de l'arbre de manœuvre, un verrou doté d'une encoche pour retenir la manivelle de commande, et donc le contact mobile, dans sa position initiale d'ouverture des contacts pendant la compression du ressort de manœuvre avant le passage du ressort au-delà d'une ligne de passage de point mort, un doigt de levage prévu sur la manivelle de manœuvre entraînant, une fois la ligne de passage de point mort dépassée, le verrou pour libérer la manivelle de manœuvre de l'encoche dans laquelle elle était retenue, et une butée de fermeture de la manivelle de compression configurée pour être en contact avec l'axe d'entraînement de la manivelle de manœuvre une fois la manivelle de manœuvre libérée de l'encoche, et un dispositif de démultiplication de l'effort de commande.It is also known from the document EP 2 161 730 a device for controlling the contacts of an electrical cut-off device comprising a frame, an operating crank coupled to a crank for actuating a camshaft via a connecting rod, the camshaft being connected to a device contact drive, a compression crank coaxial with the operating crank and coupled to a guide rod via an operating spring, an operating lever driving the compression crank using the operating shaft, a latch provided with a notch to retain the control crank, and therefore the movable contact, in its initial position of opening of the contacts during the compression of the operating spring before the passage of the spring beyond a line of passage of dead point, a lifting finger provided on the maneuvering crank driving, once the dead center passage line has been passed, the lock to release the maneuvering crank from the notch in which it was retained, and a stopper of fe rmture of the compression crank configured to be in contact with the drive shaft of the maneuvering crank once the maneuvering crank is released from the notch, and a control force reduction device.

Le dispositif permet l'entraînement de l'arbre came via la bielle de liaison de manière autonome sous l'effet du ressort de manœuvre, une fois que le levier de manœuvre a dépassé la ligne de passage du point mort. Ce fonctionnement est actionné aussi bien lors d'une manœuvre de fermeture que lors d'une manœuvre d'ouverture du dispositif.The device allows the drive of the camshaft via the connecting rod in an autonomous manner under the effect of the operating spring, once the operating lever has passed the dead center passage line. This operation is activated both during a closing maneuver and during an opening maneuver of the device.

Mais le dispositif décrit dans le document ci-dessus est complexe et comprend un grand nombre de pièces qui génèrent un encombrement important, notamment dans une direction axiale définie par l'axe de rotation de la manivelle de manœuvre.But the device described in the above document is complex and comprises a large number of parts which generate a large bulk, in particular in an axial direction defined by the axis of rotation of the operating crank.

En outre, les solutions généralement connues ne dissocient pas l'action manuelle de l'action automatique pour la manœuvre des contacts ce qui met en danger la sécurité de l'opérateur.Furthermore, the generally known solutions do not dissociate the manual action from the automatic action for operating the contacts, which endangers the safety of the operator.

Objet et résumé de l'inventionSubject matter and summary of the invention

L'invention vise à pallier les inconvénients mentionnés ci-dessus en proposant un dispositif de commande de la commutation des contacts dans un appareil électrique, le dispositif présentant un encombrement réduit et permettant en toute circonstance de passer d'une commande automatique à une commande manuelle avec une vitesse de manœuvre de la poignée complètement indépendante de la vitesse des contacts. L'invention a également pour objectif de fournir un tel dispositif permettant en outre le forçage des contacts en cas de soudure de ces derniers.The invention aims to overcome the drawbacks mentioned above by proposing a device for controlling the switching of contacts in an electrical device, the device having a reduced size and allowing in all circumstances to pass from an automatic control to a manual control. with a handle operating speed completely independent of the speed of the contacts. Another object of the invention is to provide such a device which also allows the forcing of the contacts in the event of welding of the latter.

Dans un objet de l'invention, il est proposé un dispositif de commande de la commutation des contacts dans un appareil électrique comprenant un boîtier à l'intérieur duquel sont montés un levier de commande en liaison pivot avec le boîtier et configuré pour être déplacé en rotation entre une première position correspondant à une position dans laquelle les contacts sont fermés sur une alimentation primaire et une seconde position correspondant à une position dans laquelle les contacts sont fermés sur une alimentation secondaire, un élément de rotation raccordé au levier par un arbre intermédiaire, un arbre d'actionnement mécaniquement raccordé à l'élément de rotation et à des contacts électriques et configuré pour pivoter entre une première et une seconde positions pour basculer les contacts électriques, le boîtier comprenant en outre une fente traversée par le levier pour permettre son actionnement depuis l'extérieur du boîtier dans le mode de fonctionnement manuel du dispositifIn one object of the invention, there is proposed a device for controlling the switching of contacts in an electrical device comprising a housing inside which are mounted a control lever in pivot connection with the housing and configured to be moved in rotation between a first position corresponding to a position in which the contacts are closed on a primary power supply and a second position corresponding to a position in which the contacts are closed on a secondary power supply, a rotation element connected to the lever by an intermediate shaft, an actuating shaft mechanically connected to the rotation member and to electrical contacts and configured to pivot between a first and a second position for switching the electrical contacts, the housing further comprising a slot through which the lever passes to allow its actuation from outside the housing in the manual operating mode of the device

Selon une caractéristique générale de l'invention, le dispositif de commande de la commutation des contacts comprend en outre un ressort de torsion comportant une première extrémité coopérant avec le levier de commande et une seconde extrémité coopérant avec l'élément de rotation, et un premier cliquet et un second cliquet montés en ciseaux via un ressort de torsion, le premier cliquet coopérant, dans un mode de fonctionnement manuel du dispositif, avec une première butée de l'élément de rotation dans une première position de l'élément de rotation et avec un premier chemin de came du levier de commande pour dégager le premier cliquet de la première butée et libérer l'élément de rotation, et le second cliquet coopérant, dans un mode de fonctionnement manuel du dispositif, avec une seconde butée de l'élément de rotation dans une seconde position de l'élément de rotation et avec un second chemin de came du levier de commande pour dégager le second cliquet de la seconde butée et libérer l'élément de rotation.According to a general characteristic of the invention, the contact switching control device further comprises a torsion spring comprising a first end cooperating with the control lever and a second end cooperating with the rotation element, and a first pawl and a second pawl mounted scissor-wise via a torsion spring, the first pawl cooperating, in a manual mode of operation of the device, with a first stop of the rotation element in a first position of the rotation element and with a first cam path of the control lever for disengaging the first pawl from the first abutment and releasing the rotation element, and the cooperating second pawl, in a manual mode of operation of the device, with a second abutment of the rotation element in a second position of the rotation element and with a second cam path of the control lever for disengaging the second pawl from the second abutment and releasing the rotation element.

Le dispositif de commande selon l'invention permet ainsi d'avoir un mouvement des contacts rapide et indépendant de la vitesse d'actionnement du levier de commande avec un minimum de pièces et ainsi en réduisant l'encombrement.The control device according to the invention thus makes it possible to have a movement of the contacts that is rapid and independent of the speed of actuation of the control lever with a minimum of parts and thus reducing the size.

Selon un premier aspect du dispositif de commande de la commutation des contacts, le boîtier peut comprendre un capot déplaçable entre une position ouverte et une position fermée, le capot étant configuré pour, en position fermée, empêcher un accès au levier de commande et désengager les premier et second cliquets de l'élément de rotation pour empêcher toute coopération entre le couple de cliquets et l'élément de rotation et permettre un fonctionnement du dispositif dans un mode automatique, et pour, en position ouverte, engager les premier et second cliquets au contact de l'élément de rotation et permettre un fonctionnement du dispositif en mode manuel.According to a first aspect of the contact switching control device, the housing may comprise a cover that can be moved between an open position and a closed position, the cover being configured to, in the closed position, prevent access to the control lever and disengage the first and second pawls of the rotation element to prevent any cooperation between the pair of pawls and the rotation element and to allow operation of the device in an automatic mode, and to, in the open position, engage the first and second pawls at the contact of the rotation element and allow operation of the device in manual mode.

Le capot permet d'empêcher toute interaction mécanique involontaire entre l'environnement extérieure et le levier de commande.The cover makes it possible to prevent any involuntary mechanical interaction between the external environment and the control lever.

La conformation du capot permet d'engager les cliquets dans l'élément de rotation lors de l'ouverture du capot et ainsi permettre une automatisation du passage du dispositif en mode manuel à l'ouverture du capot.The conformation of the cover makes it possible to engage the pawls in the rotation element when the cover is opened and thus allow automation of the passage of the device into manual mode when the cover is opened.

Selon un deuxième aspect du dispositif de commande de la commutation des contacts, le capot peut être transparent de manière à pouvoir contrôler visuellement l'état dans lequel se trouve le dispositif de commande, et ainsi l'état dans lequel se trouve les contacts, à savoir ouvert ou fermé.According to a second aspect of the contact switching control device, the cover may be transparent so as to be able to visually check the state in which the control device is located, and thus the state in which the contacts are located, at whether open or closed.

Selon un troisième aspect du dispositif de commande de la commutation des contacts, le dispositif peut comprendre en outre au moins un interrupteur coopérant mécaniquement avec le capot pour activer ou couper l'alimentation électrique du dispositif de commande permettant son fonctionnement dans le mode automatique et/ou pour activer ou désactiver l'émission d'une information relative à l'alimentation électrique du dispositif de commande pour son fonctionnement dans le mode automatique.According to a third aspect of the contact switching control device, the device may further comprise at least one switch cooperating mechanically with the cover to activate or cut the power supply of the control device allowing it to operate in the automatic mode and/or or to activate or deactivate the transmission of power information electric of the control device for its operation in the automatic mode.

La combinaison de la conformation du capot et de la présence de l'interrupteur permet d'automatiser le passage du dispositif en mode automatique à la fermeture du capot en désengageant les cliquets et en activant l'alimentation électrique du dispositif de commande.The combination of the conformation of the cover and the presence of the switch makes it possible to automate the passage of the device into automatic mode when the cover is closed by disengaging the pawls and activating the power supply of the control device.

Selon un quatrième aspect du dispositif de commande de la commutation des contacts, le capot peut être maintenu en position fermée par une vis amovible à l'aide d'un tournevis.According to a fourth aspect of the contact switching control device, the cover can be held in the closed position by a removable screw using a screwdriver.

La fermeture du capot par une vis amovible permet d'empêcher l'accès au levier de commande à un utilisateur dépourvu d'outil et ainsi limiter les actionnements non souhaités du levier de commande.Closing the cover with a removable screw makes it possible to prevent access to the control lever by a user without a tool and thus limit unwanted actuations of the control lever.

En outre , le capot peut comprendre un orifice coopérant avec un logement du boîtier permettant le scellement, ou plombage, du capot, c'est-à-dire une fermeture définitive du capot pour en interdire l'accès.In addition, the cover may include an orifice cooperating with a housing housing allowing the sealing, or sealing, of the cover, that is to say a final closing of the cover to prevent access.

Selon un cinquième aspect du dispositif de commande de la commutation des contacts, le boîtier peut comprendre en outre une fente additionnelle disposé en regard d'un actionneur directement en prise sur l'arbre d'actionnement et permettant le forçage manuel de l'ouverture ou de la fermeture des contacts, et un capot intérieur monté en translation entre une position de repos où le capot intérieur recouvre la fente additionnelle et une position de travail où le capot intérieur libère l'accès à la fente additionnelle.According to a fifth aspect of the device for controlling the switching of the contacts, the casing may also comprise an additional slot arranged opposite an actuator directly engaged on the actuating shaft and allowing manual forcing of the opening or closing the contacts, and an inner cover mounted in translation between a rest position where the inner cover covers the additional slot and a working position where the inner cover frees access to the additional slot.

Le capot intérieur en translation permet de masquer l'accès à l'actionneur pour empêcher ainsi un forçage involontaire des contacts.The interior cover in translation makes it possible to hide access to the actuator to thus prevent involuntary forcing of the contacts.

En outre, le capot intérieur comprend une extension interne disposée entre le boîtier et les cliquets conformer pour désengager les cliquets de l'élément de rotation lorsque le capot est positionné dans une position dans laquelle la fente additionnelle est accessible, et pour engager les cliquets sur l'élément de rotation lorsque le capot est dans une position dans laquelle la fente additionnelle est inaccessible.Furthermore, the inner cover includes an internal extension disposed between the housing and the conforming pawls to disengage the pawls from the rotation element when the cover is positioned in a position in which the additional slot is accessible, and to engage the pawls on the rotation element when the cover is in a position in which the additional slot is inaccessible.

Selon un sixième aspect du dispositif de commande de la commutation des contacts, le boîtier peut comprendre en outre un moyen élastique permettant de ramener le capot intérieur dans sa position de repos après un passage en position de travail.According to a sixth aspect of the device for controlling the switching of the contacts, the casing may further comprise an elastic means making it possible to return the inner cover to its rest position after passing into the working position.

Le moyen élastique permet ainsi de maintenir une configuration par défaut du dispositif de commande dans laquelle il ne peut être accédé à l'actionneur de forçage des contacts sans qu'une action volontaire soit réalisée et maintenue pour libérer l'accès à la fente d'accès et permettre l'introduction d'un outil dans la fente pour actionner l'actionneur.The elastic means thus makes it possible to maintain a default configuration of the control device in which the contact forcing actuator cannot be accessed without a voluntary action being carried out and maintained to release access to the slot. access and allow the introduction of a tool into the slot to actuate the actuator.

Selon un septième aspect du dispositif de commande de la commutation des contacts, le capot peut couvrir, en position fermée, le capot intérieur, empêchant tout accès manuel à la fente additionnelle.According to a seventh aspect of the contact switching control device, the cover can cover, in the closed position, the inner cover, preventing any manual access to the additional slot.

Selon un huitième aspect du dispositif de commande de la commutation des contacts, le dispositif peut comprendre en outre une poignée ergonomique fixée à une extrémité libre du levier de commande.According to an eighth aspect of the contact switching control device, the device may also comprise an ergonomic handle fixed to a free end of the control lever.

Brève description des dessinsBrief description of the drawings

L'invention sera mieux comprise à la lecture faite ci-après, à titre indicatif mais non limitatif, en référence aux dessins annexés sur lesquels :

  • la figure 1 illustre une vue de dessus d'un système de commutation électrique ;
  • la figure 2 présente une vue en perspective éclatée d'un dispositif de commande du système de commutation électrique de la figure 1 sur lequel le capot externe a été retiré ;
  • la figure 3 présente une vue éclatée des différents actionneurs du dispositif de commande de la figure 2 ;
  • les figures 4 et 5 présentent chacune une vue en perspective des actionneurs illustrés sur la figure 3 selon deux points de vue distincts ;
  • les figures 6 et 7 présentent chacune une vue partielle de la représentation de la figure 4 selon respectivement un sens de la direction axiale et le sens opposé de la direction axiale ;
  • la figure 8A présente une vue partielle de dessus du dispositif de commande selon un mode de réalisation de l'invention ;
  • la figure 8B présente une vue en coupe selon le plan B du dispositif de commande selon un mode de réalisation de l'invention ;
  • la figure 9 présente une vue partielle du capot externe 5 du dispositif de commande selon un mode de réalisation de l'invention ;
  • les figures 10 et 11 présentent une vue de dessus du dispositif de commande selon deux positions distinctes du capot interne.
The invention will be better understood from the reading made below, by way of indication but not limitation, with reference to the appended drawings in which:
  • the figure 1 illustrates a top view of an electrical switching system;
  • the figure 2 shows an exploded perspective view of a control device of the electrical switching system of the figure 1 on which the outer cover has been removed;
  • the picture 3 presents an exploded view of the various actuators of the control device of the figure 2 ;
  • them figure 4 and 5 each present a perspective view of the actuators illustrated on the picture 3 according to two distinct points of view;
  • them figure 6 and 7 each present a partial view of the representation of the figure 4 respectively in a direction of the axial direction and the opposite direction of the axial direction;
  • the figure 8A shows a partial top view of the control device according to one embodiment of the invention;
  • the figure 8B shows a sectional view along plane B of the control device according to one embodiment of the invention;
  • the figure 9 presents a partial view of the outer cover 5 of the control device according to one embodiment of the invention;
  • them figure 10 and 11 show a top view of the control device according to two distinct positions of the internal cover.

Description détaillée de modes de réalisationDetailed Description of Embodiments

Sur la figure 1 est illustré une vue de dessus d'un appareil de commutation électrique 1 selon un mode de réalisation de l'invention.On the figure 1 Illustrated is a top view of an electrical switching device 1 according to one embodiment of the invention.

L'appareil de commutation électrique 1 comprend une partie 2 destinée à réaliser les connexions électriques avec des appareils électriques externes via des contacts électriques pouvant être déplacés entre une première position dans laquelle le circuit est fermé sur une alimentation primaire et une seconde position dans laquelle le circuit est fermé sur une alimentation secondaire, et un dispositif de commande 3 de la commutation des contacts électriques.The electrical switching device 1 comprises a part 2 intended to make the electrical connections with external electrical devices via electrical contacts that can be moved between a first position in which the circuit is closed on a primary power supply and a second position in which the circuit is closed on a secondary power supply, and a control device 3 for switching the electrical contacts.

Sur la figure 2 est présentée une vue en perspective éclatée du dispositif de commande 3 de l'appareil de commutation électrique 1 de la figure 1. Le dispositif de commande 3 comprend un boîtier 4 sur lequel est monté un capot externe 5 transparent apte à pivoter autour d'un axe 6 fixé au boîtier 4. Le capot externe 5 est maintenu sur le boîtier 4 en position fermée à l'aide d'une vis 7 vissée dans un orifice taraudé 70 du boîtier 4 au travers d'un orifice 57 prévu dans le capot externe 5.On the figure 2 is presented an exploded perspective view of the control device 3 of the electrical switching device 1 of the figure 1 . The control device 3 comprises a casing 4 on which is mounted a transparent outer cover 5 capable of pivoting about an axis 6 fixed to the casing 4. The outer cover 5 is held on the casing 4 in the closed position using a screw 7 screwed into a threaded hole 70 of the housing 4 through a hole 57 provided in the outer cover 5.

Le capot externe 5 comprend en outre un orifice 8 coopérant avec un orifice 84 prévu dans le boîtier 4 pour plomber le capot externe 5 sur le boîtier 4, c'est-à-dire pour mettre un dispositif permettant de contrôler que le capot n'a pas été ouvert entre-temps, le dispositif pouvant être un lien scellé.The outer cover 5 further comprises an orifice 8 cooperating with an orifice 84 provided in the housing 4 to seal the outer cover 5 on the housing 4, that is to say to put a device making it possible to check that the cover does not has not been opened in the meantime, the device may be a sealed link.

Comme illustré sur la figure 2, le boîtier 4 comprend une partie inférieure 4a et une partie supérieure 4b. A l'intérieur du boîtier 4 sont montés un levier de commande 10 en liaison pivot avec le boîtier 4, un élément de rotation 11 mécaniquement raccordé au levier de commande 10 par un arbre intermédiaire de transmission mécanique 12 illustré sur la figure 3 qui représente une vue éclatée des différents actionneurs du dispositif de commande de la figure 2, et un arbre 13 d'actionnement mécaniquement raccordé à l'élément de rotation 11, d'une part, et à des contacts électriques, d'autre part. L'arbre d'actionnement 13 défini une direction axiale DA selon laquelle l'arbre s'étend, et une direction radiale DR s'étendant dans un plan orthogonal à la direction axiale DA.As illustrated on the picture 2 , the housing 4 comprises a lower part 4a and an upper part 4b. Inside the housing 4 are mounted a control lever 10 in pivot connection with the housing 4, a rotation element 11 mechanically connected to the control lever 10 by an intermediate mechanical transmission shaft 12 illustrated in the picture 3 which represents an exploded view of the various actuators of the control device of the figure 2 , and an actuating shaft 13 mechanically connected to the rotation element 11, on the one hand, and to electrical contacts, on the other hand. The actuating shaft 13 defines an axial direction D A along which the shaft extends, and a radial direction D R extending in a plane orthogonal to the axial direction D A .

La partie supérieure 4b du boîtier 4 comprend une première fente 9 traversée par le levier de commande 10 pour permettre son actionnement par un utilisateur depuis l'extérieur du boîtier 4 dans le mode de fonctionnement manuel du dispositif de commande.The upper part 4b of the casing 4 comprises a first slot 9 through which the control lever 10 passes to allow its actuation by a user from outside the housing 4 in the manual operating mode of the control device.

Comme cela est illustré sur la figure 3 ainsi que sur la figure 4 qui représente une vue en perspective assemblée des éléments de la figure 3 selon un premier point de vue, le levier de commande 10 comprend une portion principale 10a circulaire et une extension 10b s'étendant radialement en saillie vers l'extérieur depuis la portion principale 10a. L'extension 10b du levier de commande 10 comprend une extrémité libre 10c sur laquelle est montée une poignée 101 ergonomique pour l'actionnement du levier par un utilisateur. Le levier de commande 10 est configuré pour être déplacé en rotation entre une première position correspondant à la position où le circuit est fermé sur une alimentation primaire et une seconde position correspondant à la position où le circuit est fermé sur une alimentation secondaire.As illustrated in the picture 3 as well as on the figure 4 which represents an assembled perspective view of the elements of the picture 3 according to a first point of view, the control lever 10 comprises a circular main portion 10a and an extension 10b extending radially projecting outwards from the main portion 10a. The extension 10b of the control lever 10 comprises a free end 10c on which is mounted an ergonomic handle 101 for the actuation of the lever by a user. The control lever 10 is configured to be moved in rotation between a first position corresponding to the position where the circuit is closed on a primary power supply and a second position corresponding to the position where the circuit is closed on a secondary power supply.

L'élément de rotation 11 est centré sur le même axe de rotation que celui du levier de commande 10, l'axe de rotation étant matérialisé par l'arbre intermédiaire 12.The rotation element 11 is centered on the same axis of rotation as that of the control lever 10, the axis of rotation being materialized by the intermediate shaft 12.

L'arbre 13 d'actionnement est déporté par rapport à l'axe de rotation du levier de commande 10 et de l'élément de rotation 11. L'arbre intermédiaire 12 et l'arbre 13 d'actionnement ne sont donc pas coaxiaux mais s'étendent selon la direction axiale DA. L'arbre d'actionnement 13 est configuré pour pivoter entre une première et une seconde positions pour basculer les contacts électriques.The actuating shaft 13 is offset with respect to the axis of rotation of the control lever 10 and of the rotation element 11. The intermediate shaft 12 and the actuating shaft 13 are therefore not coaxial but extend in the axial direction D A . The actuating shaft 13 is configured to pivot between a first and a second position to switch the electrical contacts.

Comme cela est illustré sur la figure 5 qui représente une vue en perspective assemblée des éléments de la figure 3 selon un second point de vue, l'arbre d'actionnement 13 est entraîné en pivotement à l'aide d'un actionneur 14 monté sur l'arbre d'actionnement 13 et s'étendant radialement par rapport à l'axe d'actionnement 13, et d'un ergot 15 monté sur l'élément de rotation 11 et s'étendant dans la direction axiale DA à l'opposé du levier de commande 10, c'est-à-dire vers l'actionneur 14. L'actionneur 14 comprend une fente 16 recevant l'ergot 15 et à l'intérieur duquel l'ergot 15 coulisse en fonction de la position de l'élément de rotation 11. L'ergot 15 est positionné hors de l'axe de rotation 13 de l'élément de rotation 6. L'ergot 15 se déplace avec l'élément de rotation 11 entre deux positions correspondant respectivement à la première position des contacts et la seconde position des contacts en décrivant un arc de cercle entre ces deux positions. L'ergot 15 oscille à l'intérieur de la fente 16 de l'actionneur au cours du déplacement entre ses deux positions.As illustrated in the figure 5 which represents an assembled perspective view of the elements of the picture 3 according to a second point of view, the actuating shaft 13 is driven in pivoting using an actuator 14 mounted on the actuating shaft 13 and extending radially with respect to the actuating axis 13, and a lug 15 mounted on the rotation element 11 and extending in the axial direction D A opposite the control lever 10, that is to say towards the actuator 14. actuator 14 comprises a slot 16 receiving the lug 15 and inside which the lug 15 slides according to the position of the rotation element 11. The lug 15 is positioned outside the axis of rotation 13 of the rotation element 6. The lug 15 moves with the rotation element 11 between two positions corresponding respectively to the first position of the contacts and the second position of the contacts by describing a arc of circle between these two positions. The pin 15 oscillates inside the slot 16 of the actuator during movement between its two positions.

Comme cela est illustré sur les figures 2 à 4, le dispositif de commande 3 comprend en outre un levier de forçage 17 des contacts mécaniquement raccordé au levier de commande 10 via l'arbre intermédiaire 13. Le levier de commande 10, l'élément de rotation 11 et le levier de forçage 17 sont donc coaxiaux. Le levier de forçage 17 comprend une portion principale 17a circulaire et une extension 17b s'étendant radialement en saillie vers l'extérieur depuis la portion principale 17a. L'extension 17b du levier de commande 10 comprend une extrémité libre 17c dans laquelle est prévu un orifice 18 permettant l'introduction d'un outil pour forcer l'actionnement de l'arbre d'actionnement 13 et ainsi forcer l'engagement ou le désengagement des contacts électriques. Le levier de commande 10 est monté, dans la direction axiale DA, entre le levier de forçage 17 et l'élément de rotation 11.As illustrated in the figures 2 to 4 , the control device 3 further comprises a contact forcing lever 17 mechanically connected to the control lever 10 via the intermediate shaft 13. The control lever 10, the rotation element 11 and the forcing lever 17 are therefore coaxial. The forcing lever 17 comprises a circular main portion 17a and an extension 17b extending radially projecting outward from the main portion 17a. The extension 17b of the control lever 10 comprises a free end 17c in which is provided an orifice 18 allowing the introduction of a tool to force the actuation of the actuation shaft 13 and thus force the engagement or the disengagement of electrical contacts. The control lever 10 is mounted, in the axial direction D A , between the forcing lever 17 and the rotation element 11.

Comme cela est illustré sur la figure 3 ainsi que sur les figures 6 et 7 qui représentent chacune une vue partielle de la représentation de la figure 4 selon respectivement un sens de la direction axiale et le sens opposé de la direction axiale, le dispositif de commande 3 comprend en outre un ressort de torsion 20 monté entre le levier de commande 10 et l'élément de rotation 11. Le ressort de torsion 20 comporte une première extrémité 20a coopérant avec le levier de commande 10 et une seconde extrémité 20b coopérant avec l'élément de rotation 11.As illustrated in the picture 3 as well as on the figure 6 and 7 which each represent a partial view of the representation of the figure 4 respectively in one direction of the axial direction and the opposite direction of the axial direction, the control device 3 further comprises a torsion spring 20 mounted between the control lever 10 and the rotation element 11. The torsion spring 20 comprises a first end 20a cooperating with the control lever 10 and a second end 20b cooperating with the rotation element 11.

La figure 8A présente une vue partielle de dessus du dispositif de commande selon un mode de réalisation de l'invention et la figure 8B présente une vue en coupe selon le plan B du dispositif de commande selon un mode de réalisation de l'invention.The figure 8A shows a partial top view of the control device according to one embodiment of the invention and the figure 8B shows a sectional view along plane B of the control device according to one embodiment of the invention.

Le dispositif de commande 3 comprend également un premier cliquet 21 et un second cliquet 22 montés en ciseaux via un ressort de torsion 23 visible sur la figure 8.The control device 3 also comprises a first pawl 21 and a second pawl 22 scissor-mounted via a torsion spring 23 visible on the figure 8 .

Comme illustré sur les figures 8A et 8B, dans un mode de fonctionnement manuel du dispositif de commande 3, le premier cliquet 21 coopère, dans une première position de l'élément de rotation 11, d'une part, avec une première butée 11a prévue sur l'élément de rotation 11 pour maintenir l'élément de rotation 11 dans la première position pendant une partie du déplacement du levier de commande 10, et, d'autre part, avec un premier chemin de came 100 du levier de commande 10 pour dégager le premier cliquet 21 de la première butée 11a et libérer l'élément de rotation 11.As illustrated on the figure 8A and 8B , in a manual mode of operation of the control device 3, the first pawl 21 cooperates, in a first position of the rotation element 11, on the one hand, with a first stop 11a provided on the rotation element 11 for maintain the rotation element 11 in the first position for part of the movement of the control lever 10, and, on the other hand, with a first cam track 100 of the control lever 10 to disengage the first pawl 21 from the first stop 11a and release the rotation element 11.

Egalement dans un mode de fonctionnement manuel du dispositif de commande 3, le second cliquet 22 coopère, dans une seconde position de l'élément de rotation 11, avec une seconde butée 11b de l'élément de rotation 11 et avec un second chemin de came 105 du levier de commande 10 pour dégager le second cliquet 22 de la seconde butée et libérer l'élément de rotation 11.Also in a manual mode of operation of the control device 3, the second pawl 22 cooperates, in a second position of the rotation element 11, with a second stop 11b of the rotation element 11 and with a second cam path 105 of the control lever 10 to disengage the second pawl 22 from the second stop and release the rotation element 11.

Les premier et second cliquets 21 et 22 comprennent chacun une première extrémité, respectivement 21a et 22a, et une seconde extrémité, respectivement 21b et 22b. La seconde extrémité 21b et 22b de chaque cliquet 21 et 22 est disposée en regard de l'élément de rotation 11 dans la direction radiale DR, et la première extrémité 21a et 22a de chaque cliquet 21 et 22 est opposée dans la direction radiale DR à la seconde extrémité 21b et 22b. La première extrémité 21a et 22a est donc radialement externe par rapport à la seconde extrémité 21b et 22b qui est radialement interne.The first and second pawls 21 and 22 each comprise a first end, respectively 21a and 22a, and a second end, respectively 21b and 22b. The second end 21b and 22b of each pawl 21 and 22 is arranged opposite the rotation element 11 in the radial direction D R , and the first end 21a and 22a of each pawl 21 and 22 is opposite in the radial direction D R at the second end 21b and 22b. The first end 21a and 22a is therefore radially external with respect to the second end 21b and 22b which is radially internal.

Le premier cliquet 21 comprend une première protubérance axiale 210 s'étendant dans la direction axiale DA vers le levier de commande 10 et le second cliquet 22 comprend une seconde protubérance axiale 220 s'étendant également dans la direction axiale DA vers le levier de commande 10. Les première et seconde protubérances 210 et 220 sont disposés radialement en regard de la portion principale 10a du levier de commande 10 portant les premier et second chemins de came 100 et 105. En d'autres termes, les première et seconde protubérances 210 et 220 sont disposées dans un même plan radiale que les premier et second chemins de came 100 et 105 du levier de commande 10.The first pawl 21 comprises a first axial protrusion 210 extending in the axial direction D A towards the control lever 10 and the second pawl 22 comprises a second axial protuberance 220 also extending in the axial direction D A towards the control lever. control 10. The first and second protrusions 210 and 220 are arranged radially opposite the main portion 10a of the control lever 10 carrying the first and second cam tracks 100 and 105. In other words, the first and second protrusions 210 and 220 are arranged in the same radial plane as the first and second cam tracks 100 and 105 of the control lever 10.

Les premier et second cliquets 21 et 22 sont déplacés par le capot externe 5.The first and second pawls 21 and 22 are moved by the outer cover 5.

Lorsque le capot externe 5 est fermé, celui-ci est en appui sur les premières extrémités 21a et 22a des premier et second cliquets 21 et 22, relevant ainsi radialement les première et seconde protubérances axiales 210 et 220, désengageant ainsi les deux cliquets 210 et 220 de l'élément de rotation 11. Le fonctionnement automatique est alors possible. Le fonctionnement automatique est opéré via un organe électromécanique 28, tel qu'un actionneur électrique, couplé via une bielle 29 à l'élément de rotation 11 et configuré pour pivoter l'élément de rotation 11 entre sa première et sa seconde positions.When the outer cover 5 is closed, the latter rests on the first ends 21a and 22a of the first and second pawls 21 and 22, thus radially raising the first and second axial protrusions 210 and 220, thus disengaging the two pawls 210 and 220 of the rotation element 11. Automatic operation is then possible. the automatic operation is operated via an electromechanical member 28, such as an electric actuator, coupled via a connecting rod 29 to the rotation element 11 and configured to pivot the rotation element 11 between its first and its second positions.

Lorsque le capot externe est ouvert en revanche, celui-ci n'appuie plus sur les premières extrémités 21a et 22a des deux cliquets 21 et 22. Les secondes extrémités 21b et 22b des deux cliquets 21 et 22 sont alors radialement abaissées jusqu'à être en contact avec l'élément de rotation 11 d'une part et jusqu'à pouvoir être en contact, pour les première et seconde protubérances axiales 210 et 220, avec l'un des premier et second chemins de came 100 ou 105 en fonction du déplacement du levier de commande 10.When the outer cover is open, on the other hand, it no longer presses on the first ends 21a and 22a of the two pawls 21 and 22. The second ends 21b and 22b of the two pawls 21 and 22 are then radially lowered until they are in contact with the rotation element 11 on the one hand and until it can be in contact, for the first and second axial protrusions 210 and 220, with one of the first and second cam tracks 100 or 105 depending on the movement of the control lever 10.

Comme cela est illustré sur la figure 9 qui représente une vue partielle du capot externe 5, le dispositif de commande 3 comprend en outre un premier et un second interrupteurs 30 et 31 coopérant mécaniquement avec le capot externe 5 pour activer ou couper l'alimentation électrique du dispositif 3 de commande. Chaque interrupteur 30 et 31 comprend une languette, respectivement 32 et 33, de contact qui permet de fermer l'interrupteur lorsque la languette est appuyée jusqu'en fin de course. Le capot externe 5 comprend une extrémité 50 venant, lorsque le capot externe 5 est fermé, en appui contre les deux languettes 32 et 33 des interrupteurs 30 et 31 de manière à fermer les circuits des interrupteurs 30 et 31.As illustrated in the figure 9 which represents a partial view of the outer cover 5, the control device 3 further comprises a first and a second switch 30 and 31 cooperating mechanically with the outer cover 5 to activate or cut the power supply of the device 3 control. Each switch 30 and 31 comprises a tongue, respectively 32 and 33, of contact which makes it possible to close the switch when the tongue is pressed all the way. The outer cover 5 includes an end 50 which, when the outer cover 5 is closed, bears against the two tabs 32 and 33 of the switches 30 and 31 so as to close the circuits of the switches 30 and 31.

La fermeture du premier interrupteur 30 permet d'établir l'alimentation électrique du dispositif de commande 3 et notamment l'organe électromécanique 28 pour que le dispositif 3 de commande puisse fonctionner dans un mode automatique. La fermeture du second interrupteur 31 permet d'activer l'émission d'une information relative à l'alimentation électrique du dispositif 3 de commande pour son fonctionnement dans le mode automatique.The closing of the first switch 30 makes it possible to establish the power supply of the control device 3 and in particular the electromechanical member 28 so that the control device 3 can operate in an automatic mode. The closing of the second switch 31 enables the transmission of information relating to the power supply of the control device 3 for its operation in the automatic mode.

Les deux interrupteurs 30 et 31 permettent ainsi d'alimenter électriquement le dispositif 3 de commande pour qu'il fonctionne dans un mode automatique lorsque le capot externe 5 est fermé, les cliquets 21 et 22 étant désengagés de l'élément de rotation, et de couper l'alimentation électrique de l'organe électromécanique 28 lorsque le capot externe 5 est ouvert et ainsi d'empêcher le fonctionnement automatique alors que les cliquets 21 et 22 sont engagés sur l'élément de rotation 11 et de permettre le fonctionnement manuel du dispositif 3 de commande.The two switches 30 and 31 thus make it possible to electrically supply the control device 3 so that it operates in an automatic mode when the outer cover 5 is closed, the pawls 21 and 22 being disengaged from the rotation element, and cut off the power supply to the electromechanical component 28 when the outer cover 5 is open and thus prevent automatic operation while the pawls 21 and 22 are engaged on the rotation element 11 and allow the manual operation of the device 3 control.

Sur les figures 10 et 11 sont représentées une première et une seconde vues en perspective du dispositif de commande 3 dépourvu du capot externe 5 et de la poignée 101 ergonomique pour simplifier la lecture des figures.On the figure 10 and 11 a first and a second perspective view of the control device 3 without the outer cover 5 and the ergonomic handle 101 are shown to simplify the reading of the figures.

Comme cela est illustré sur la figure 10, le dispositif 3 de commande comprend en outre un capot intérieur 40 monté en translation sur le boîtier 4 à l'intérieur du capot externe 5 lorsque celui-ci est fermé sur le boîtier 4. Le capot intérieur 40 comprend une fente 41 traversée par l'extension radiale 10b du levier de commande 10. La fente 41 du capot intérieur 40 présente une largeur, c'est-à-dire une dimension dans la direction axiale DA, plus importante que la largeur, c'est-à-dire la dimension dans la direction axiale DA, de l'extension radiale 10b du levier de commande 10 ce qui permet de déplacer le capot interne 40 selon la direction axiale DA.As illustrated in the figure 10 , the control device 3 further comprises an inner cover 40 mounted in translation on the housing 4 inside the outer cover 5 when the latter is closed on the housing 4. The inner cover 40 comprises a slot 41 through which the radial extension 10b of the control lever 10. The slot 41 of the inner cover 40 has a width, that is to say a dimension in the axial direction D A , greater than the width, that is to say the dimension in the axial direction D A , of the radial extension 10b of the control lever 10 which makes it possible to move the inner cover 40 in the axial direction D A .

Comme cela est illustré sur la figure 11, qui présente la même vue en perspective que la figure 9 mais sur laquelle le capot intérieur 40 a été retirée, le boîtier comprend une seconde fente 90 s'étendant parallèlement à la première fente 9 du boîtier 4, c'est-à-dire dans une direction perpendiculaire à la direction axiale DA. La seconde fente 90 est réalisée en regard du levier de forçage 17, et s'étend sur toute la course de l'extrémité libre 17c du levier de forçage 17. La première fente 9 est ainsi disposée dans la direction axiale DA entre la seconde fente 90 et la partie 2 destinée aux connexions électriques. La poignée ergonomique 101 est configurée et disposée pour ne pas s'étendre dans le plan radial dans lequel s'étend l'extension radiale 17b du levier de forçage 17 de manière à ne pas gêner l'accès au levier de forçage 17.As illustrated in the figure 11 , which presents the same perspective view as the figure 9 but on which the inner cover 40 has been removed, the housing comprises a second slot 90 extending parallel to the first slot 9 of the housing 4, that is to say in a direction perpendicular to the axial direction D A . The second slot 90 is made opposite the forcing lever 17, and extends over the entire stroke of the free end 17c of the forcing lever 17. The first slot 9 is thus arranged in the axial direction D A between the second slot 90 and part 2 for electrical connections. The ergonomic handle 101 is configured and arranged so as not to extend in the radial plane in which the radial extension 17b of the forcing lever 17 extends so as not to hinder access to the forcing lever 17.

Le capot intérieur 40 est conformé pour recouvrir la seconde fente 90 du boîtier 4 lorsqu'il est dans une première position et libérer l'accès à la seconde fente 90 du boîtier 40 lorsqu'il est translaté dans une seconde position. Le dispositif de commande 3 comprend en outre un ressort de compression disposé dans la direction axiale DA entre le capot intérieur 40 et une butée du boîtier 4. Le ressort de compression maintien par défaut le capot intérieur 40 dans sa première position dans laquelle le capot intérieur 40 recouvre la seconde fente 90 empêchant tout accès à l'orifice 18 du levier de forçage 17. Le ressort de compression est compressible pour permettre la translation du capot intérieur 40 dans la direction axiale DA pour libérer l'accès à la seconde fente 90 du boîtier.The inner cover 40 is shaped to cover the second slot 90 of the casing 4 when it is in a first position and free access to the second slot 90 of the casing 40 when it is translated into a second position. The control device 3 further comprises a compression spring arranged in the axial direction D A between the inner cover 40 and an abutment of the housing 4. The compression spring maintains by default the inner cover 40 in its first position in which the cover interior 40 covers the second slot 90 preventing any access to the orifice 18 of the forcing lever 17. The compression spring is compressible to allow the translation of the inner cover 40 in the axial direction D A to free access to the second slot 90 of the housing.

Claims (10)

  1. A device (3) for controlling the switching of the contacts in an electrical apparatus (1) comprising a unit (4) inside which are mounted a control lever (10) in a pivot connection with the unit (4) and configured to be rotationally displaced between a first position corresponding to a position wherein the contacts are closed on a primary power supply and a second position corresponding to a position wherein the contacts are closed on a secondary power supply, a rotating element (11) connected to the lever (10) by an intermediate shaft (12), an actuating shaft (13) mechanically connected to the rotating element (11) and to electrical contacts and configured to pivot between a first and a second position to switch between the electrical contacts, the unit (4) further comprising a slot (9) traversed by the lever (10) to allow it to be actuated from outside the unit (4) in a manual operating mode of the device (3),
    characterized in that it comprises a torsion spring (20) including a first end (20a) cooperating with the control lever (10) and a second end (20b) cooperating with the rotating element (11), and
    a first pawl (21) and a second pawl (22) scissor-mounted via a torsion spring (23), the first pawl (21) cooperating, in a manual operating mode of the device (3), with a first stop of the rotating element (11a) in a first position of the rotating element (11) and with a first cam track (100) of the control lever (10) to disengage the first pawl (21) from the first stop (11a) and release the rotating element (11), and the second pawl (22) cooperating, in a manual operating mode of the device (3), with a second stop (11b) of the rotating element (11) in a second position of the rotating element (11) and with a second cam track (105) of the control lever (10) to disengage the second pawl (22) from the second stop (11b) and release the rotating element (11).
  2. The control device (3) as claimed in claim 1, wherein the unit (4) comprises a cowling (5) displaceable between an open position and a closed position, the cowling (5) being configured to, in the closed position, prevent any manual access to the control lever (10) and disengage the first and second pawls (21, 22) from the rotating element (11) to prevent any cooperation between the pair of pawls (21, 22) and the rotating element (11) and allow the operation of the device (3) in an automatic mode, and to, in the open position, engage the first and second pawls (21, 22) in contact with the rotating element (11) and allow the operation of the device (3) in manual mode.
  3. The control device (3) as claimed in claim 2, further comprising at least one switch (30, 31) mechanically cooperating with the cowling (5) to enable or cut off the electrical power supply of the control device (3) allowing its operation in automatic mode and/or to enable or disable the sending of an item of information relating to the electrical power supply of the control device (3) for its operation in automatic mode.
  4. The control device (3) as claimed in one of claims 2 or 3, wherein the cowling (5) is transparent.
  5. The control device (3) as claimed in one of claims 2 to 4, wherein the cowling (5) is kept in the closed position by a screw (7) that is removable using a screwdriver.
  6. The control device (3) as claimed in one of claims 1 to 5, wherein the unit (4) further comprises an additional slot (90) arranged facing an actuator (17) directly engaging with the actuating shaft (13) and allowing the manual forcing of the opening or closing of the contacts, and an internal cowling (40) mounted in translation between an idle position wherein the internal cowling (40) covers the additional slot (90) and a working position wherein the internal cowling (40) gives access to the additional slot (90).
  7. The control device (3) as claimed in claim 6, wherein the unit (4) further comprises an elastic means making it possible to return the internal cowling (40) to its idle position after a transition to the working position.
  8. The control device (3) as claimed in one of claims 6 or 7, wherein the cowling (5) covers, in the closed position, the internal cowling (40), preventing any manual access to the additional slot (90).
  9. The control device (3) as claimed in one of claims 1 to 8, comprising an ergonomic handle (101) attached to a free end (10c) of the control lever (10).
  10. An electrical switching device allowing the supply of electrical power to a plurality of electrical members via electrical contacts, the electrical apparatus comprising at least one device (3) for controlling the switching of the contacts in the electrical apparatus (1) as claimed in one of claims 1 to 9.
EP19752539.7A 2018-06-29 2019-06-28 Manual control device for remotely operated source inverter Active EP3815119B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1855932A FR3083366B1 (en) 2018-06-29 2018-06-29 MANUAL CONTROL DEVICE FOR A REMOTE HANDLING SOURCE INVERTER
PCT/FR2019/051601 WO2020002850A1 (en) 2018-06-29 2019-06-28 Manual control device for a remotely operated source inverter

Publications (2)

Publication Number Publication Date
EP3815119A1 EP3815119A1 (en) 2021-05-05
EP3815119B1 true EP3815119B1 (en) 2022-06-29

Family

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Application Number Title Priority Date Filing Date
EP19752539.7A Active EP3815119B1 (en) 2018-06-29 2019-06-28 Manual control device for remotely operated source inverter

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US (1) US11127549B2 (en)
EP (1) EP3815119B1 (en)
CN (1) CN112534529B (en)
FR (1) FR3083366B1 (en)
WO (1) WO2020002850A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020209257A1 (en) * 2020-07-22 2022-01-27 Siemens Aktiengesellschaft Fastening device and modular installation device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1071195B (en) * 1959-12-17
US3875360A (en) * 1973-02-05 1975-04-01 Square D Co Stored-energy operating mechanism for switch blades
FR2651603B1 (en) 1989-09-07 1991-11-08 Merlin Gerin CONTROL MECHANISM OF A HIGH VOLTAGE MULTIPOLAR SWITCH.
FR2924528B1 (en) * 2007-12-03 2009-12-25 Areva T & D Sa HANGING DEVICE FOR ELECTRICAL EQUIPMENT CONTROL MECHANISM AND CONTROL MECHANISM EQUIPPED WITH SUCH A DEVICE.
FR2935833A1 (en) * 2008-09-05 2010-03-12 Schneider Electric Ind Sas DEVICE FOR CONTROLLING THE OPENING AND / OR CLOSING OF CONTACTS IN AN ELECTRICAL APPARATUS
FR2940511B1 (en) * 2008-12-18 2010-12-17 Hager Electro Sas DEVICE FOR MECHANICAL RELEASE FOR ELETRIC LINE BREAKER APPARATUS.
ES2465000T3 (en) * 2009-11-03 2014-06-04 Abb Technology Ag A spring operated actuator for an electrical switching apparatus
FR2989216B1 (en) * 2012-04-10 2015-02-20 Schneider Electric Ind Sas DEVICE FOR CONTROLLING A MEDIUM VOLTAGE ELECTRICAL EQUIPMENT AND APPARATUS CONTROLLED THEREBY
CN104252976B (en) * 2013-06-28 2016-12-28 上海电科电器科技有限公司 The hand-operating device of low-tension switch electric appliance
CN106158531B (en) * 2015-05-12 2018-06-26 现代电力与能源系统株式会社 The closing spring loading device of breaker

Also Published As

Publication number Publication date
CN112534529A (en) 2021-03-19
US20210249205A1 (en) 2021-08-12
EP3815119A1 (en) 2021-05-05
US11127549B2 (en) 2021-09-21
FR3083366A1 (en) 2020-01-03
FR3083366B1 (en) 2020-06-12
WO2020002850A1 (en) 2020-01-02
CN112534529B (en) 2022-03-22

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