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EP0612087A1 - Remote controlled circuit breaker with disconnecting function - Google Patents

Remote controlled circuit breaker with disconnecting function Download PDF

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Publication number
EP0612087A1
EP0612087A1 EP94420035A EP94420035A EP0612087A1 EP 0612087 A1 EP0612087 A1 EP 0612087A1 EP 94420035 A EP94420035 A EP 94420035A EP 94420035 A EP94420035 A EP 94420035A EP 0612087 A1 EP0612087 A1 EP 0612087A1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
remote
controlled circuit
pusher
breaker according
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
EP94420035A
Other languages
German (de)
French (fr)
Other versions
EP0612087B1 (en
Inventor
Pierre Merlin Gerin Baginski
Jean-Pierre Merlin Gerin Nebon
Michel Merlin Gerin Faure
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 SE
Original Assignee
Merlin Gerin SA
Schneider Electric SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Merlin Gerin SA, Schneider Electric SE filed Critical Merlin Gerin SA
Publication of EP0612087A1 publication Critical patent/EP0612087A1/en
Application granted granted Critical
Publication of EP0612087B1 publication Critical patent/EP0612087B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H71/70—Power reset mechanisms actuated by electric motor
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H2009/288—Provisions relating to welded contacts
    • 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
    • H01H2071/665—Power reset mechanisms the reset mechanism operating directly on the normal manual operator, e.g. electromagnet pushes manual release lever back into "ON" position
    • 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
    • H01H71/04—Means for indicating condition of the switching device

Definitions

  • the fully visible cut-off function means that the circuit breaker actuation and / or display devices must not be able to indicate the open state when the contacts are not effectively separated for the interruption of the circuit. Likewise, locking by actuating a lock or fitting a padlock in the open position of the circuit breaker should only be possible if the contacts are open. In circuit breakers with adaptable remote control blocks commonly used, information on the open or closed state of the contacts is generally given by the relative position of the crank pin or of the handle of the circuit breaker block.
  • the object of the invention is to improve the sectioning function of a circuit breaker with an adaptable remote control unit.
  • the circuit breaker according to the invention is characterized in that the display means are arranged on a control lever connected to the bar by an independent mechanical transmission link, produced in two parts comprising a push button engaged inside the remote control unit with a finger for transmitting the control lever, and comprising a position sensor coming into abutment with a rod located in the case of the circuit breaker block being articulated on the bar, and that the control lever is provided with an element 'attachment capable of cooperating with the locking means for locking or unlocking a drawer extractable from a lock according to the closed or open state of the contacts.
  • the extractable drawer is equipped with an orifice for the placement of the lockout member in the unlocked state of the drawer, and with a retaining element cooperating with the element hooking the control lever.
  • the display means indicate the position of the contacts via the mechanical connection which is independent of the circuit breaker mechanism.
  • the parts of the latter are not subjected to any mechanical stress when padlocking the lock in the open position. This padlocking can only take place after unlocking the lock by the indicator light when the latter is moved by the mechanical link to the open position.
  • Figure 1 is a perspective view of a remote controlled circuit breaker according to the invention.
  • Figure 2 shows a perspective view of the remote control unit after removing the cover.
  • FIG. 3 represents a schematic view in longitudinal section of the sectioning device incorporated in the remote-controlled circuit breaker, the contacts of which are in the closed position.
  • Figure 4 is a view identical to Figure 3, the circuit breaker being in the open / sectioned position with the establishment of a padlock.
  • a remote-controlled circuit breaker 10 is composed of a remote control block 11 with energy accumulation, comprising an adaptable module capable of being attached to a circuit breaker block 12 with molded insulating housing 13.
  • the circuit breaker 12 is of the low-voltage multipolar type, having by pole a system of separable contacts 14, the movable contact 16 of which is integral with a transverse switching bar 18, driven in rotation by a control mechanism (not shown) to trigger 20.
  • the contact system 14 comprises, for example, a movable contact 16 in the form of a double-break rotary bridge cooperating with a pair of fixed contacts 22, 24, as described in the document FR-A-2.622.347 of the applicant. . It is obvious that a single break contact device can also be used.
  • the first indicator light 34 is arranged at the upper end of a control lever 36 pivotally mounted on an axis 37.
  • the lever 36 comprises on the one hand an attachment element 43 cooperating with a lug or retaining element 41 of the lock 38, and on the other hand a transmission finger 42 located at the lower end while being engaged in an opening 44 of a movable pusher 46.
  • the pusher 46 is guided in translation by pins 48, 50 fixed between a first raised position corresponding to the closed state of the contacts ( Figure 3), and a second lowered position corresponding to the open state of the contacts ( Figure 4).
  • a return spring 52 in particular of traction, biases the pusher 46 towards the second position.
  • the hooking element 43 of the lever 36 is located between the axis 37 and the sight glass 34.
  • the pusher 46 is equipped with a position sensor 54 coming into abutment with a movable link rod 56, articulated at a point 58 of the switching bar 18.
  • the articulation point 58 is eccentric relative to the axis 60 of the bar 18, and the upper part of the rod 56 cooperating with the feeler 54, is guided in translation by means of a slide 62 provided in a separation spacer. housing poles 13.
  • the lock 38 comprises an extractable drawer 64 fitted with an orifice 66 for padlocking capable of occupying an insertion position (FIG. 3) in which the orifice 66 is not accessible from the front face 32, and a position d 'extraction, in which the drawer 64 partially exits through the slot 68 located on the front face 32, to allow the passage of a handle 69 of a padlock 70.
  • the extraction travel in translation of the drawer 64 is defined by guide pins 71 sliding along straight slots 72 of predetermined lengths, formed in a fixed support 65 of the drawer 64.
  • the second pivoting indicator 35 is actuated directly in a conventional manner by the arming cam (not shown) of the closing spring of the mechanism 26.
  • the first indicator 34 of the control lever 36 signals the position of the contacts 16, 22, 24 via the mechanical transmission link 74 in two parts, composed of the pusher 46 with position sensor 54, and the rod 56 associated at the bar 18.
  • the padlocking of the lock 38 after unlocking by the control lever 36 of the indicator 34, and the local indication of the open state of the indicator 34 constitute the parameters of the fully visible cut-off function, by which it is certain that the contacts 16, 22, 24 of the circuit breaker are effectively open.
  • the mechanical transmission link 74 of the movement of the contacts to the indicator light 34 constitutes a kinematic chain separate from the mechanism 26 for actuating the handle of the circuit breaker 12.
  • the presence of this independent connection makes it possible to lock the remote-controlled circuit breaker 10 in the open position without putting under stress moving parts for actuating the moving part of the main mechanism. Any forced action on one of the BPF and BPO pushbuttons located on the front face 32 has no effect on the mechanism 26, and the contacts 16, 22, 24 remain locked in the open position by padlocking the lock 38.
  • the connection mechanical transmission 74 between the bar 18 and the indicator 34 constitutes a positive safety system, even in the event of accidental rupture of the return spring 52.

Landscapes

  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)

Abstract

A circuit breaker equipped with a compatible remote control unit (11) includes a mechanical transmission link (74) independent of the main mechanism, for transmitting the position of the moving contact (16) to an indicator (34), which automatically unlocks a lock (38) in open position in order to allow a slider (64) to be padlocked. The mechanical link (74) is in two parts, consisting of a pusher (46) connected to a control lever (37) on which the indicator (34) is arranged, and a link rod (56) articulated on to the switching bar (18). <IMAGE>

Description

L'invention est relative à un disjoncteur télécommandé comprenant un bloc de télécommande adaptable à un disjoncteur multipolaire ayant un boîtier isolant renfermant dans chaque pôle un système de contacts séparables actionné par un barreau de commutation entre une position de fermeture et une position d'ouverture et vice-versa, ledit bloc de télécommande comportant :

  • un mécanisme équipé d'un organe moto-réducteur et de moyens de commande autorisant la rotation du barreau isolant entre les positions de fermeture et d'ouverture,
  • des moyens de visualisation locale de l'état ouvert ou fermé du système de contacts ,
  • et des moyens de condamnation pour verrouiller le système de contacts en position d'ouverture en assurant une fonction de sectionnement à coupure apparente du disjoncteur.
The invention relates to a remote-controlled circuit breaker comprising a remote control unit adaptable to a multipole circuit breaker having an insulating housing containing in each pole a system of separable contacts actuated by a switching bar between a closed position and an open position and vice versa, said remote control unit comprising:
  • a mechanism equipped with a motor-reducing member and control means allowing the rotation of the insulating bar between the closed and open positions,
  • means for local display of the open or closed state of the contact system,
  • and locking means for locking the contact system in the open position by ensuring a disconnection function with apparent breaking of the circuit breaker.

La fonction sectionnement à coupure pleinement apparente signifie que les organes d'actionnement et/ou de visualisation du disjoncteur ne doivent pas pouvoir indiquer l'état ouvert lorsque les contacts ne sont pas effectivement séparés pour l'interruption du circuit. De même, le verrouillage par actionnement d'une serrure ou mise en place d'un cadenas en position d'ouverture du disjoncteur ne doit être possible que si les contacts sont ouverts. Dans les disjoncteurs à blocs de télécommande adaptables couramment utilisé, l'information de l'état ouvert ou fermé des contacts est généralement donnée par la position relative du maneton ou de la manette du bloc disjoncteur. La signalisation de l'état des contacts, et le verrouillage du disjoncteur en position ouvert nécessitent dans ce cas l'intervention du mécanisme de commande du disjoncteur, avec des risques de mise sous contraintes mécaniques de pièces mobiles liées aux contacts mobiles des différents pôles, notamment en cas de contacts soudés.The fully visible cut-off function means that the circuit breaker actuation and / or display devices must not be able to indicate the open state when the contacts are not effectively separated for the interruption of the circuit. Likewise, locking by actuating a lock or fitting a padlock in the open position of the circuit breaker should only be possible if the contacts are open. In circuit breakers with adaptable remote control blocks commonly used, information on the open or closed state of the contacts is generally given by the relative position of the crank pin or of the handle of the circuit breaker block. The signaling of the state of the contacts, and the locking of the circuit breaker in the open position require in this case the intervention of the circuit breaker control mechanism, with the risk of mechanical stressing of moving parts linked to the moving contacts of the different poles, especially in the case of welded contacts.

L'objet de l'invention consiste à améliorer la fonction de sectionnement d'un disjoncteur à bloc de télécommande adaptable.The object of the invention is to improve the sectioning function of a circuit breaker with an adaptable remote control unit.

Le disjoncteur selon l'invention est caractérisé en ce que les moyens de visualisation sont agencés sur un levier de commande relié au barreau par une liaison mécanique de transmission indépendante, réalisée en deux parties comportant un poussoir en prise à l'intérieur du bloc de télécommande avec un doigt de transmission du levier de commande, et comprenant un palpeur de position venant en aboutement avec une tringle se trouvant dans le boîtier du bloc disjoncteur en étant articulée sur le barreau , et que le levier de commande est muni d'un élément d'accrochage susceptible de coopérer avec les moyens de condamnation pour verrouiller ou déverrouiller un tiroir extractible d'un verrou selon l'état fermé ou ouvert des contacts.The circuit breaker according to the invention is characterized in that the display means are arranged on a control lever connected to the bar by an independent mechanical transmission link, produced in two parts comprising a push button engaged inside the remote control unit with a finger for transmitting the control lever, and comprising a position sensor coming into abutment with a rod located in the case of the circuit breaker block being articulated on the bar, and that the control lever is provided with an element 'attachment capable of cooperating with the locking means for locking or unlocking a drawer extractable from a lock according to the closed or open state of the contacts.

Selon une caractéristique de l'invention, le tiroir extractible est équipé d'un orifice pour la mise en place de l'organe de cadenassage dans l'état déverrouillé du tiroir, et d'un élément de retenue coopérant avec l'élément d'accrochage du levier de commande.According to a characteristic of the invention, the extractable drawer is equipped with an orifice for the placement of the lockout member in the unlocked state of the drawer, and with a retaining element cooperating with the element hooking the control lever.

Les moyens de visualisation indiquent la position des contacts par l'intermédiaire de la liaison mécanique qui est indépendante du mécanisme du disjoncteur. Les pièces de ce dernier ne sont soumises à aucune contrainte mécanique lors du cadenassage du verrou en position ouvert. Ce cadenassage peut uniquement intervenir après déverrouillage du verrou par le voyant lorsque ce dernier est déplacé par la liaison mécanique vers la position ouvert.The display means indicate the position of the contacts via the mechanical connection which is independent of the circuit breaker mechanism. The parts of the latter are not subjected to any mechanical stress when padlocking the lock in the open position. This padlocking can only take place after unlocking the lock by the indicator light when the latter is moved by the mechanical link to the open position.

La présence de cette liaison mécanique indépendante constitue un système de sécurité positive.The presence of this independent mechanical link constitutes a positive safety system.

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre d'un mode de réalisation de l'invention, donné à titre d'exemple non limitatif et représenté aux dessins annexés, dans lesquels :Other advantages and characteristics will emerge more clearly from the description which follows of an embodiment of the invention, given by way of nonlimiting example and represented in the appended drawings, in which:

La figure 1 est une vue en perspective d'un disjoncteur télécommandé selon l'invention.Figure 1 is a perspective view of a remote controlled circuit breaker according to the invention.

La figure 2 montre une vue en perspective du bloc de télécommande après enlèvement du capot.Figure 2 shows a perspective view of the remote control unit after removing the cover.

La figure 3 représente une vue schématique en coupe longitudinale du dispositif de sectionnement incorporé dans le disjoncteur télécommandé, dont les contacts sont en position de fermeture.FIG. 3 represents a schematic view in longitudinal section of the sectioning device incorporated in the remote-controlled circuit breaker, the contacts of which are in the closed position.

La figure 4 est une vue identique à la figure 3, le disjoncteur étant en position ouvert/sectionné avec mise en place d'un cadenas.Figure 4 is a view identical to Figure 3, the circuit breaker being in the open / sectioned position with the establishment of a padlock.

Sur les figures 1 à 4, un disjoncteur télécommandé 10 est composé d'un bloc de télécommande 11 à accumulation d'énergie, comprenant un module adaptable susceptible d'être rapporté sur un bloc disjoncteur 12 à boîtier 13 isolant moulé.In FIGS. 1 to 4, a remote-controlled circuit breaker 10 is composed of a remote control block 11 with energy accumulation, comprising an adaptable module capable of being attached to a circuit breaker block 12 with molded insulating housing 13.

Le disjoncteur 12 est du type multipolaire à basse tension, ayant par pôle un système de contacts 14 séparables, dont le contact mobile 16 est solidaire d'un barreau 18 de commutation transversal, entraîné en rotation par un mécanisme de commande (non représenté) à déclencheur 20.The circuit breaker 12 is of the low-voltage multipolar type, having by pole a system of separable contacts 14, the movable contact 16 of which is integral with a transverse switching bar 18, driven in rotation by a control mechanism (not shown) to trigger 20.

Le système de contacts 14 comprend à titre d'exemple un contact mobile 16 en forme de pont rotatif à double coupure coopérant avec une paire de contacts fixes 22, 24, tel que décrit dans le document FR-A-2.622.347 de la demanderesse. Il est évident qu'un dispositif de contacts à simple coupure peut également être utilisé.The contact system 14 comprises, for example, a movable contact 16 in the form of a double-break rotary bridge cooperating with a pair of fixed contacts 22, 24, as described in the document FR-A-2.622.347 of the applicant. . It is obvious that a single break contact device can also be used.

Le bloc de télécommande 11 est placé sur le bloc disjoncteur 12 en coiffant le maneton (non représenté) pour manoeuvrer le barreau 18 par l'intermédiaire du dispositif de commande du disjoncteur 12, et renferme un mécanisme 26 à ressort accumulateur d'énergie, intercalé entre un organe moto-réducteur 28, et une commande manuelle 30 de secours, dont seule la poignée 31 est représentée sur la figure 2. La face avant 32 du bloc de télécommande 11 comporte :

  • un bouton-poussoir de fermeture BPF et un bouton poussoir d'ouverture BPO, dont l'actionnement provoque respectivement la fermeture et l'ouverture des contacts 16, 22, 24,
  • un premier voyant 34 de signalisation locale de l'état ouvert ou fermé du système de contacts 14 du disjoncteur 12,
  • un deuxième voyant 35 actionné par le système accumulateur d'énergie du mécanisme 26 pour indiquer l'état armé ou désarmé du bloc de télécommande 11,
  • un verrou 38 de condamnation pour verrouiller le disjoncteur télécommandé 10 en position ouvert en assurant une fonction de sectionnement,
  • et un sélecteur 40 de réglage en mode automatique/manuel destiné à assurer la mise en circuit ou la neutralisation de l'organe moto-réducteur 28.
The remote control unit 11 is placed on the circuit breaker unit 12 by covering the crank pin (not shown) for operating the bar 18 by means of the circuit breaker control device 12, and contains a mechanism 26 with an energy accumulator spring, interposed between a gearmotor 28, and a manual emergency control 30, of which only the handle 31 is shown in FIG. 2. The front face 32 of the remote control unit 11 comprises:
  • a BPF closing push-button and a BPO opening push-button, the actuation of which respectively causes the contacts 16 and 22 to close and open,
  • a first indicator 34 for local signaling of the open or closed state of the contact system 14 of the circuit breaker 12,
  • a second indicator 35 actuated by the energy accumulator system of the mechanism 26 to indicate the armed or disarmed state of the remote control unit 11,
  • a locking latch 38 for locking the remote-controlled circuit breaker 10 in the open position while ensuring a sectioning function,
  • and an automatic / manual mode selector 40 for switching on or neutralizing the motor-reducing member 28.

Le premier voyant 34 de signalisation est agencé à l'extrémité supérieure d'un levier 36 de commande monté à pivotement sur un axe 37. Le levier 36 comporte d'une part un élément 43 d'accrochage coopérant avec un ergot ou élément de retenue 41 du verrou 38, et d'autre part un doigt de transmission 42 situé à l'extrémité inférieure en étant engagé dans une ouverture 44 d'un poussoir 46 mobile.The first indicator light 34 is arranged at the upper end of a control lever 36 pivotally mounted on an axis 37. The lever 36 comprises on the one hand an attachment element 43 cooperating with a lug or retaining element 41 of the lock 38, and on the other hand a transmission finger 42 located at the lower end while being engaged in an opening 44 of a movable pusher 46.

Le poussoir 46 est guidé en translation par des pions 48, 50 fixes entre une première position relevée correspondant à l'état fermé des contacts (figure 3), et une deuxième position abaissée correspondant à l'état ouvert des contacts (figure 4). Un ressort de rappel 52 notamment de traction, sollicite le poussoir 46 vers la deuxième position. L'élément d'accrochage 43 du levier 36 est situé entre l'axe 37 et le voyant 34.The pusher 46 is guided in translation by pins 48, 50 fixed between a first raised position corresponding to the closed state of the contacts (Figure 3), and a second lowered position corresponding to the open state of the contacts (Figure 4). A return spring 52, in particular of traction, biases the pusher 46 towards the second position. The hooking element 43 of the lever 36 is located between the axis 37 and the sight glass 34.

A l'opposé du doigt de transmission 42, le poussoir 46 est équipé d'un palpeur de position 54 venant en aboutement avec une tringle 56 mobile de liaison, articulée en un point 58 du barreau 18 de commutation. Le point d'articulation 58 est excentré par rapport à l'axe 60 du barreau 18, et la partie supérieure de la tringle 56 coopérant avec le palpeur 54, est guidée en translation au moyen d'une glissière 62 prévue dans une entretoise de séparation des pôles du boîtier 13.Opposite the transmission finger 42, the pusher 46 is equipped with a position sensor 54 coming into abutment with a movable link rod 56, articulated at a point 58 of the switching bar 18. The articulation point 58 is eccentric relative to the axis 60 of the bar 18, and the upper part of the rod 56 cooperating with the feeler 54, is guided in translation by means of a slide 62 provided in a separation spacer. housing poles 13.

Le verrou 38 comporte un tiroir 64 extractible équipé d'un orifice 66 de cadenassage susceptible d'occuper une position d'insertion (figure 3) dans laquelle l'orifice 66 n'est pas accessible depuis la face avant 32, et une position d'extraction, dans laquelle le tiroir 64 sort partiellement à travers la fente 68 situé sur la face avant 32, pour autoriser le passage d'une anse 69 d'un cadenas 70. La course d'extraction en translation du tiroir 64 est définie par des tétons 71 de guidage coulissant le long de lumières 72 rectilignes de longueurs prédéterminées, ménagées dans un support 65 fixe du tiroir 64.The lock 38 comprises an extractable drawer 64 fitted with an orifice 66 for padlocking capable of occupying an insertion position (FIG. 3) in which the orifice 66 is not accessible from the front face 32, and a position d 'extraction, in which the drawer 64 partially exits through the slot 68 located on the front face 32, to allow the passage of a handle 69 of a padlock 70. The extraction travel in translation of the drawer 64 is defined by guide pins 71 sliding along straight slots 72 of predetermined lengths, formed in a fixed support 65 of the drawer 64.

Le deuxième voyant 35 pivotant est actionné directement d'une manière classique par la came d'armement (non représentée) du ressort de fermeture du mécanisme 26.The second pivoting indicator 35 is actuated directly in a conventional manner by the arming cam (not shown) of the closing spring of the mechanism 26.

La mise en oeuvre de la fonction de sectionnement du mécanisme 26 est réalisée de la manière suivante :The implementation of the sectioning function of the mechanism 26 is carried out as follows:

Le premier voyant 34 du levier de commande 36 signale la position des contacts 16, 22, 24 par l'intermédiaire de la liaison mécanique de transmission 74 en deux parties, composées du poussoir 46 à palpeur de position 54, et de la tringle 56 associée au barreau 18.The first indicator 34 of the control lever 36 signals the position of the contacts 16, 22, 24 via the mechanical transmission link 74 in two parts, composed of the pusher 46 with position sensor 54, and the rod 56 associated at the bar 18.

Sur la figure 3, les contacts 16, 22, 24 sont fermés et la poussée de la liaison mécanique 74 sollicite le levier de commande 36 en pivotement vers la droite, faisant apparaître l'état fermé du voyant 34 de signalisation à travers une fenêtre 76 de la face avant 32. Dans cette position stable, l'ergot 41 du tiroir 64 est retenu par l'élément 43 d'accrochage du levier de commande 36, et assure de ce fait le blocage positif du verrou 38 en position d'insertion. Le retrait du tiroir 64 vers la position d'extraction est rendu impossible suite à l'action de verrouillage exercée sur le verrou 38, et l'orifice 66 est inaccessible. Toute tentative de mise en place du cadenas 70 en position de fermeture du système de contacts 14 est ainsi évité.In FIG. 3, the contacts 16, 22, 24 are closed and the thrust of the mechanical link 74 urges the control lever 36 to pivot to the right, revealing the closed state of the indicator light 34 through a window 76 of the front face 32. In this stable position, the lug 41 of the drawer 64 is retained by the element 43 for hooking the control lever 36, and thereby ensures positive locking of the latch 38 in the insertion position . The withdrawal of the drawer 64 towards the extraction position is made impossible following the locking action exerted on the lock 38, and the orifice 66 is inaccessible. Any attempt to set up the padlock 70 in the closed position of the contact system 14 is thus avoided.

Lors de l'ouverture des contacts 16, 22, 24, la tringle 56 se déplace vers le bas suite à la rotation du barreau 18 dans le sens des aiguilles d'une montre, et le premier palpeur 54 suit le mouvement de la tringle 56 par l'action de rappel du ressort 52. Le mouvement de descente du poussoir 46 fait réagir le doigt de transmission 42 sur une rampe de l'ouverture 44, et impose un pivotement simultané vers la gauche du levier de commande 36 avec passage du voyant 34 vers l'état ouvert. Le déplacement du levier 36 provoque le dégagement automatique de l'ergot 41 par rapport à l'élément d'accrochage 43, et il en résulte un déblocage du verrou 38. Une action volontaire d'extraction du tiroir 64 est alors possible pour la mise en place du cadenas 70 (figure 4).When the contacts 16, 22, 24 are opened, the rod 56 moves downwards following the rotation of the bar 18 in a clockwise direction, and the first feeler 54 follows the movement of the rod 56 by the return action of the spring 52. The descent movement of the pusher 46 causes the transmission finger 42 to react on a ramp of the opening 44, and imposes a simultaneous pivoting to the left of the control lever 36 with passage of the indicator 34 to the open state. The movement of the lever 36 causes the automatic release of the lug 41 relative to the latching element 43, and this results in an unlocking of the latch 38. A voluntary action of extraction of the drawer 64 is then possible for setting in place of padlock 70 (figure 4).

Le cadenassage du verrou 38 après déverrouillage par le levier de commande 36 du voyant 34, et l'indication locale de l'état ouvert du voyant 34 constituent les paramètres de la fonction de sectionnement à coupure pleinement apparente, par laquelle on est sûr que les contacts 16, 22, 24 du disjoncteur sont effectivement ouverts.The padlocking of the lock 38 after unlocking by the control lever 36 of the indicator 34, and the local indication of the open state of the indicator 34 constitute the parameters of the fully visible cut-off function, by which it is certain that the contacts 16, 22, 24 of the circuit breaker are effectively open.

La liaison mécanique de transmission 74 du mouvement des contacts au voyant 34 constitue une chaîne cinématique séparée du mécanisme 26 d'actionnement de la poignée du disjoncteur 12. La présence de cette liaison indépendante permet de verrouiller le disjoncteur télécommandé 10 en position ouvert sans mettre sous contrainte des pièces mobiles d'actionnement de l'équipage mobile du mécanisme principal. Toute action forcée sur l'un des boutons poussoirs BPF et BPO se trouvant sur la face avant 32 est sans effet sur le mécanisme 26, et les contacts 16, 22, 24 restent verrouillés en position ouvert par le cadenassage du verrou 38. La liaison mécanique de transmission 74 entre le barreau 18 et le voyant 34 constitue un système de sécurité positive, même en cas de rupture accidentelle du ressort de rappel 52.The mechanical transmission link 74 of the movement of the contacts to the indicator light 34 constitutes a kinematic chain separate from the mechanism 26 for actuating the handle of the circuit breaker 12. The presence of this independent connection makes it possible to lock the remote-controlled circuit breaker 10 in the open position without putting under stress moving parts for actuating the moving part of the main mechanism. Any forced action on one of the BPF and BPO pushbuttons located on the front face 32 has no effect on the mechanism 26, and the contacts 16, 22, 24 remain locked in the open position by padlocking the lock 38. The connection mechanical transmission 74 between the bar 18 and the indicator 34 constitutes a positive safety system, even in the event of accidental rupture of the return spring 52.

Claims (8)

Disjoncteur télécommandé (10) comprenant un bloc de télécommande (11) adaptable à un disjoncteur (12) multipolaire ayant un boîtier (13) isolant renfermant dans chaque pôle un système de contacts (14, 16, 22, 24) séparables actionné par un barreau (18) de commutation entre une position de fermeture et une position d'ouverture et vice-versa, ledit bloc de télécommande comportant : - un mécanisme (26) équipé d'un organe moto-réducteur (28) et de moyens de commande (BPF, BPO, 30) autorisant la rotation du barreau (18) isolant entre les positions de fermeture et d'ouverture, - des moyens de visualisation (34) locale de l'état ouvert ou fermé du système de contacts (14), - et des moyens de condamnation (38, 70) pour verrouiller le système de contacts en position d'ouverture en assurant une fonction de sectionnement à coupure apparente du disjoncteur (10), caractérisé en ce que
les moyens de visualisation (34) sont agencés sur un levier (36) de commande relié au barreau (18) par une liaison mécanique de transmission (74) indépendante, réalisée en deux parties comportant un poussoir (46) en prise à l'intérieur du bloc de télécommande (11) avec un doigt (42) de transmission du levier (36) de commande, et comprenant un palpeur (54) de position venant en aboutement avec une tringle (56) se trouvant dans le boîtier (13) du bloc disjoncteur (12) en étant articulée sur le barreau (18), et que le levier (36) de commande est muni d'un élément d'accrochage (43) susceptible de coopérer avec les moyens de condamnation pour verrouiller ou déverrouiller un tiroir (64) extractible d'un verrou (38) selon l'état fermé ou ouvert des contacts (14, 16, 22, 24).Remote controlled circuit breaker (10) comprising a remote control unit (11) adaptable to a multipole circuit breaker (12) having an insulating housing (13) containing in each pole a separable contact system (14, 16, 22, 24) actuated by a bar (18) for switching between a closed position and an open position and vice versa, said remote control unit comprising: a mechanism (26) equipped with a geared motor member (28) and control means (BPF, BPO, 30) authorizing the rotation of the insulating bar (18) between the closed and open positions, - local display means (34) of the open or closed state of the contact system (14), - and locking means (38, 70) for locking the contact system in the open position by ensuring a disconnection function with apparent breaking of the circuit breaker (10), characterized in that
the display means (34) are arranged on a control lever (36) connected to the bar (18) by an independent mechanical transmission link (74), produced in two parts comprising a pusher (46) engaged inside of the remote control unit (11) with a finger (42) for transmitting the control lever (36), and comprising a position sensor (54) abutting with a rod (56) located in the housing (13) of the circuit breaker block (12) being articulated on the bar (18), and the control lever (36) is provided with a hooking element (43) capable of cooperating with the locking means to lock or unlock a drawer (64) extractable from a lock (38) depending on the closed or open state of the contacts (14, 16, 22, 24). Disjoncteur télécommandé selon la revendication 1, caractérisé en ce que le tiroir (64) extractible est équipé d'un orifice (66) pour la mise en place de l'organe de cadenassage (70) dans l'état déverrouillé du tiroir (64), et d'un élément de retenue (41) coopérant avec l'élément d'accrochage (43) du levier (36).Remote-controlled circuit breaker according to claim 1, characterized in that the extractable drawer (64) is equipped with an orifice (66) for the placement of the padlocking member (70) in the unlocked state of the drawer (64) , and a retaining element (41) cooperating with the hooking element (43) of the lever (36). Disjoncteur télécommandé selon la revendication 2, caractérisé en ce que le levier (36) de commande comporte à l'opposé du palpeur (54), une ouverture (44) de logement du doigt (42) de transmission, imposant un pivotement alterné du levier (36) autour d'un axe (37) lors du mouvement en translation du poussoir (46), le passage du levier (36) vers l'état ouvert des moyens de visualisation (34) provoquant le déverrouillage automatique des éléments d'accrochage et de retenue (43, 41).Remote-controlled circuit breaker according to claim 2, characterized in that the control lever (36) comprises, opposite the probe (54), an opening (44) of housing the transmission finger (42), imposing an alternating pivoting of the lever (36) around an axis (37) during the translational movement of the pusher (46), the passage of the lever (36) towards the open state of the display means (34) causing the automatic unlocking of the hooking and retaining elements (43, 41). Disjoncteur télécommandé selon la revendication 3, caractérisé en ce que les moyens de visualisation (34) comportent un voyant agencé à l'opposé du doigt (42) par rapport à l'axe (37) du levier (36) de commande, et que l'élément d'accrochage (43) est situé entre l'axe (37) et le voyant (34).Remote-controlled circuit breaker according to claim 3, characterized in that the display means (34) comprise an indicator arranged opposite the finger (42) relative to the axis (37) of the control lever (36), and that the latching element (43) is located between the axis (37) and the sight glass (34). Disjoncteur télécommandé selon l'une des revendications 1 à 4, caractérisé en ce que le poussoir (46) est guidé en translation par des moyens de guidage (48, 50) entre une première position et une deuxième position de fin de course correspondant respectivement à l'état fermé et ouvert des contacts, et qu'un ressort de rappel (52) sollicite le poussoir (46) vers la deuxième position.Remote-controlled circuit breaker according to one of Claims 1 to 4, characterized in that the pusher (46) is guided in translation by guide means (48, 50) between a first position and a second end-of-travel position corresponding respectively to the closed and open state of the contacts, and that a return spring (52) biases the pusher (46) towards the second position. Disjoncteur télécommandé selon la revendication 5, caractérisé en ce que l'extrémité de la tringle (56) coopérant avec le palpeur (54) du poussoir (46) est guidée en translation par une glissière (62) située à la partie supérieure du boîtier (13).Remote-controlled circuit breaker according to claim 5, characterized in that the end of the rod (56) cooperating with the feeler (54) of the pusher (46) is guided in translation by a slide (62) located at the upper part of the housing ( 13). Disjoncteur télécommandé selon la revendication 6, caractérisé en ce que la glissière (62) est agencée dans une entretoise de séparation de deux pôles adjacents.Remote-controlled circuit breaker according to claim 6, characterized in that the slide (62) is arranged in a spacer separating two adjacent poles. Disjoncteur télécommandé selon la revendication 5 ou 6, caractérisé en ce que le point d'articulation (58) de la tringle (56) est excentré par rapport à l'axe (60) du barreau (18) de commutation, et que le poussoir (46) se trouve en alignement avec la tringle (56) selon une direction perpendiculaire à la face avant (32).Remote-controlled circuit breaker according to claim 5 or 6, characterized in that the articulation point (58) of the rod (56) is eccentric with respect to the axis (60) of the switching rod (18), and that the pusher (46) is in alignment with the rod (56) in a direction perpendicular to the front face (32).
EP94420035A 1993-02-16 1994-02-02 Remote controlled circuit breaker with disconnecting function Expired - Lifetime EP0612087B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9301823 1993-02-16
FR9301823A FR2701617B1 (en) 1993-02-16 1993-02-16 Circuit breaker with remote control and sectioning function.

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EP0612087A1 true EP0612087A1 (en) 1994-08-24
EP0612087B1 EP0612087B1 (en) 1997-08-20

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EP (1) EP0612087B1 (en)
DE (1) DE69405022T2 (en)
ES (1) ES2107775T3 (en)
FR (1) FR2701617B1 (en)

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Cited By (14)

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GB2294810B (en) * 1994-11-02 1999-02-24 Gen Electric Padlocking arrangement for high ampere rated circuit breaker
GB2294810A (en) * 1994-11-02 1996-05-08 Gen Electric Padlocking arrangement for circuit breaker
FR2839383A1 (en) * 2002-04-04 2003-11-07 Moeller Gmbh CIRCUIT BREAKER WITH REMOTE CONTROL COMPRISING A SWITCHING POSITION INDICATOR AND A PROTECTION FUNCTION
CN101150023B (en) * 2006-09-21 2011-02-02 富士电机机器制御株式会社 External operation handle device of circuit breaker
EP2110909A3 (en) * 2008-04-15 2011-11-09 General Electric Company Circuit breaker with locking mechanism
EP2110909A2 (en) * 2008-04-15 2009-10-21 General Electric Company Circuit breaker with locking mechanism
EP2133971A3 (en) * 2008-06-10 2014-12-10 Eaton Corporation Remote operation of a motor control center subunit disconnect
FR2940514A1 (en) * 2008-12-19 2010-06-25 Schneider Electric Ind Sas Transmission bar for transmission assembly of remote control block for e.g. circuit breaker, has wall connecting end parts to pin, and counterweight located on wall on side of pin with respect to coupling units
WO2014011305A1 (en) * 2012-07-13 2014-01-16 Eaton Corporation Circuit interrupter and indicator apparatus
US8907239B2 (en) 2012-07-13 2014-12-09 Eaton Corporation Circuit interrupter and indicator apparatus
EP3089191A1 (en) * 2012-07-13 2016-11-02 Eaton Corporation Circuit interrupter and indicator apparatus
EP3091556A1 (en) * 2012-07-13 2016-11-09 Eaton Corporation Circuit interrupter and indicator apparatus
EP3091555A1 (en) * 2012-07-13 2016-11-09 Eaton Corporation Circuit interrupter and indicator apparatus
EP3091554A1 (en) * 2012-07-13 2016-11-09 Eaton Corporation Circuit interrupter and indicator apparatus

Also Published As

Publication number Publication date
FR2701617A1 (en) 1994-08-19
ES2107775T3 (en) 1997-12-01
US5477016A (en) 1995-12-19
FR2701617B1 (en) 1995-04-14
DE69405022D1 (en) 1997-09-25
DE69405022T2 (en) 1998-01-29
EP0612087B1 (en) 1997-08-20

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