EP2743947B1 - Kontaktarme tragende Schaltwelle in einem Schaltgerät, und damit versehenes Schaltgerät, insbesondere ein Abzweigschalter - Google Patents

Kontaktarme tragende Schaltwelle in einem Schaltgerät, und damit versehenes Schaltgerät, insbesondere ein Abzweigschalter Download PDF

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Publication number
EP2743947B1
EP2743947B1 EP13191327.9A EP13191327A EP2743947B1 EP 2743947 B1 EP2743947 B1 EP 2743947B1 EP 13191327 A EP13191327 A EP 13191327A EP 2743947 B1 EP2743947 B1 EP 2743947B1
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EP
European Patent Office
Prior art keywords
shaft
mobile contact
contact
mobile
intended
Prior art date
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Active
Application number
EP13191327.9A
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English (en)
French (fr)
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EP2743947A1 (de
Inventor
Samuel Faure
Jean-Marie Trico
M. Damien Carmentran
M. Pascal Escapa
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication of EP2743947A1 publication Critical patent/EP2743947A1/de
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Publication of EP2743947B1 publication Critical patent/EP2743947B1/de
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Classifications

    • 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
    • H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
    • H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
    • H01H1/225—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member the supporting member being pivotable
    • 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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • 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
    • H01H71/1072—Release mechanisms which are reset by opening movement of 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H01H71/162—Electrothermal mechanisms with bimetal element with compensation for ambient temperature
    • 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
    • H01H2009/0088—Details of rotatable shafts common to more than one pole or switch unit

Definitions

  • the present invention relates to low-voltage electrical power cut-off devices in general, and in particular electrical power cut-off devices installed at home and commonly known as "branch circuit breakers".
  • Electric current cut-off devices are known, said devices being housed in an insulating casing and comprising at least one unipolar assembly and a control mechanism, said unipolar assembly comprising an insulating base supporting a breaking chamber intended to ensure the confinement of the cut-off, said chamber containing a fixed contact, a movable contact supported by a movable contact-carrier shaft, an arc-extinguishing device, said control mechanism being able to be brought manually or automatically into a position of opening the contacts by means of intermediate of a trip bar, said control mechanism comprising a shaft adapted to drive the movable contacts between a so-called open position of the apparatus in which the fixed contacts and the movable contacts are separated, and a so-called closed position of the apparatus in which the fixed contacts are respectively in contact with the moving contacts.
  • the shaft supporting the movable contacts is constituted by several parts each providing different functions. These parts comprise a square section axis, metallic, intended to ensure the transmission of forces between the different subassemblies, a part called “Neutral coil” mounted around said axis and carrying the neutral moving contact and the neutral contact pressure spring, this part further supporting the fixing of the mechanical return spring of the axis in the open position of the contacts, this piece ensuring also the bearing function with the base of the device on the left side.
  • phase coil one for the single-phase version, three for the three-phase version
  • phase contact pressure spring a piece of transmission of forces supporting a linkage
  • the present invention solves these problems and proposes a device for breaking the electrical current, in particular a branch circuit breaker, simple in design, having a reduced manufacturing cost, and the mounting of which is facilitated.
  • the present invention relates to a cutting apparatus according to claim 1.
  • this shaft comprises on each side of each of the zones intended to receive a movable contact and its associated contact pressure spring, parts whose shape is intended to achieve a baffling intended for to reinforce the electrical isolation between the different electrical phases of the apparatus.
  • the aforementioned mechanical connection means comprise an axis belonging to the shaft, around which is rotatably mounted one of the ends of a connecting rod whose opposite end is mechanically connected to the control mechanism.
  • the above-mentioned holding and positioning means of each movable contact comprise a recess provided in the shaft intended to receive the movable contact, means of articulation of the movable contact with respect to the aforementioned shaft, provided in part on the shaft and partly on the movable contact, and a contact pressure spring placed inside the shaft so as to be supported by one of its ends on the shaft, and by its opposite end, on the movable contact so as to exert the aforementioned contact pressure, and retaining means provided in part on the shaft and in part on each movable contact capable of preventing relative movement between the movable contact and the shaft after mounting said spring, in a direction substantially parallel to the longitudinal direction of the main part of the movable contact and in a direction substantially perpendicular to the plane of this party e main.
  • the or each movable contact comprises, in the vicinity of one of its ends, and on either side of said movable contact, a substantially ergonomically shaped pin portion adapted to cooperate with a recessed portion of shape. substantially corresponding to the shaft, except that one of the sides of the recess is formed by a portion having a substantially rounded surface, such that after insertion of the lugs of said movable contact into the corresponding recesses next a direction inclined with respect to the surfaces of the recess, followed by a slight rotation of the movable contact around this rounded surface until the walls of the lugs are brought in abutment against the corresponding walls of the recessed parts, then a setting in use of the contact pressure spring in the shaft, the aforementioned relative displacement of the movable contact relative to the shaft is prevented.
  • each contact pressure spring (18) comprise for each spring, a recess provided in the shaft, located opposite the associated moving contact, and wherein said spring is intended to be introduced, and a stud (36) belonging to the shaft around which is intended to be mounted one of the ends of said spring whose other end is intended to be brought into abutment on said movable contact.
  • the means for articulating the or each movable contact relative to the aforementioned shaft comprises (nt) for the or each movable contact, a partially cylindrical recess provided on the lower face of the movable contact, at one end of this movable contact, said recess being adapted to cooperate with a portion of the shaft of partially tubular shape of corresponding dimensions, this portion being located on the edge of the orifice through which is intended to be introduced the movable contact, and in that the aforementioned retaining means comprise two notches provided in the movable contact respectively at both ends of the recess of said partially cylindrical shape, said notches being intended to cooperate respectively with two lugs provided at both ends of the portion of the above-mentioned shaft of partially tubular form, said lugs and notches prevented nt the displacement of the movable portion relative to the shaft in a direction substantially parallel to the longitudinal direction of the main portion of the movable contact, the relative displacement of the movable portion relative to the shaft in a direction substantially perpen
  • the means for positioning and holding the spring (s) in the shaft comprises (nt), at the access opening to the orifice intended to receive the aforementioned spring, at at least one shaft portion forming at least a partial separation of the opening so as to create two portions of openings, said spring being introduced through the access opening in an inclined position and supported by one of its ends on the movable contact, and being able to be moved after its introduction and its passage under the portions forming separation of the two aforementioned opening portions during a compression exerted by a user on its second end, towards a position in which this second end is opposite the second opening portion (64), position wherein said spring is maintained in the compressed state between these separation portions and the movable contact.
  • this apparatus is of the bipolar, three-pole or tetra-polar type, and it comprises a sub-assembly of the neutral cutoff and respectively one, two or three phase-breaking subsystems.
  • the mechanical connection means are located on the subassembly of cutoff of the neutral.
  • this device is a branch circuit breaker intended to be located between a meter and a distribution board and intended to connect a particular to the electrical network.
  • FIG. 1 On the figure 1 has been shown a plate P on which are mounted the various elements of an electrical protection device such as a branch circuit breaker allowing an individual to be connected to the electrical network, said circuit breaker being intended to be located between a meter and a table electric.
  • This assembly is intended to be mounted in an insulating housing (not shown), this housing having an opening for the passage of a lever M for the operation of the apparatus and having openings for access to input terminals and output terminals intended to be electrically connected respectively to the meter and to the electrical panel.
  • This device is of the multipole type and mainly comprises a control mechanism 1 and, according to this particular embodiment, four unipolar assemblies 2, 3, 4, 5 comprising three assemblies 2, 3, 4 intended to cut a phase and an assembly. unipolar 5 for the neutral cut, each of these sets being associated an input terminal and an output terminal.
  • Each unipolar assembly 2, 3, 4, 5 comprises a fixed contact not shown electrically connected by a conductor in the form of a braid to one of the terminals, and a movable contact 7 electrically connected by a flexible conductor to the other of the terminals.
  • This movable contact 7 is supported by a shaft 8 movable contact holder common to all unipolar assemblies, and adapted to be rotated by a control mechanism 1 between a position in which the fixed and movable contacts 7 are open and a position in which the fixed and mobile contacts are closed.
  • the control of the opening of the contacts can be effected either manually by the operation of a lever M belonging to the control mechanism 1, or automatically by means of a protective device comprising a magnetic protection device 9 against instantaneous overloads of electric current, and a thermal protection device 10 against prolonged overloads of electric current.
  • each unipolar phase assembly 2,3,4 comprises an electric circuit comprising, mounted in series with the fixed and movable contacts 7, a thermal protection device 10 and a magnetic protection device 9, these two protection devices being able to be mounted in series or in parallel depending on the size.
  • These two protection devices 9, 10 each comprise an actuator able to act on a so-called transfer bar 11, said bar extending substantially parallel to the alignment direction of the unipolar assemblies 2, 3, 4 and being intended to transmit the triggering order or opening of the contacts to the control mechanism 1 so as to drive the shaft 8 movable contact carrier in an open position of the contacts 7 of all unipolar assemblies.
  • This apparatus also comprises a differential protection device 13 comprising a differential relay capable of sending an opening command to the control mechanism 1 during an imbalance caused by a receiver having a fault current.
  • this shaft 8 is constituted by a one-piece piece made of an insulating material such as plastic, this shaft being intended to be rotatably mounted on a plate P, as shown in FIG. figure 6 , via two bearing shafts 14,15 located at both ends of said shaft, and intended to cooperate respectively with two openings 16 provided in two supports belonging to the plate.
  • each movable contact 7 comprises a first so-called main portion 7a from which extends a second so-called secondary portion 7b, extending in a plane substantially perpendicular to the plane of the first part, this first part comprising one of its ends, a contact pad 19, and at its opposite end, two lugs 20,21 extending on either side of this end, these two lugs 20,21 being intended to cooperate with two corresponding openings 22,23 provided in the shaft 8 as will be explained in the following.
  • These positioning and holding means comprise, for each movable contact 7, a recess 24 intended to receive the main parts 7a and 7b of the secondary mobile contact 8, and two recessed portions 22, 23 of complementary shape provided in the shaft 8 and intended to cooperate with the two aforementioned lugs 20,21 so as to firmly hold the movable contact 7 in its housing 24 after mounting the corresponding contact pressure spring 18 in the shaft 8.
  • the two lugs 20,21 have a substantially parallelepipedal shape and are intended to cooperate respectively with the two aforementioned openings or recess portions 22,23 of substantially complementary to those of the aforementioned pins, these two recess portions being provided in the shaft 8 and each having three successive walls 26,27,28 ( fig.8 ) intended to be pressed against three successive walls 29,30,31 of the corresponding lug in the mounted position of the movable contact 7, position in which the movement of this movable contact 7 in the longitudinal direction of the movable contact 7 and following a direction perpendicular to the plane of the surface of the main part 7a of the movable contact 7 in one direction only is blocked, the displacement of the movable contact 7 in the other direction being prevented by a retaining element 32 adapted to bear on another wall 33 of the lug when the movable contact 2 is put in place.
  • the surface 32a of this retaining element 32 intended to cooperate with the aforementioned wall 33 of the corresponding lug 20,21 is rounded, so as to allow a slight rotation of the movable contact 7 with respect to this surface during its introduction, as this will be explained in the following.
  • the lugs 20, 21 are introduced into the corresponding recessed portions 22, 23 diagonally, as illustrated in FIG. figure 8 , that is to say in a direction inclined relative to the walls 26,27,28 of the recessed parts, then when the lugs 20,21 are completely introduced into the corresponding recessed parts 22,23, it is made a slight rotation with the movable contact 7 relative to the rounded surface 32a of the retaining elements 32, to bring the first three surfaces 29,30,31 said lugs 20,21 against the three corresponding surfaces 26,27,28 recessed portions, said lugs then being retained within the recessed portions by virtue of the elasticity of the retainers 32, as shown in FIG. figure 9 .
  • a contact pressure spring 18 is introduced into a recess 34 ( fig.2 and 15 ) provided for this purpose in the shaft 8 and located at the upper part of the shaft when it is mounted on the plate P.
  • a stud 36 intended to receive the one 18a of the ends of the spring 18 whose other end 18b is intended to bear on a particular shape located on the movable contact, this second end 18b being mounted around a boss 37 located on the face of the movable contact opposite that receiving the patch 19, so as to achieve the contact pressure.
  • this shaft 8 comprises on both sides of the shaft 8 for receiving the movable contacts 7, forms 38 performing a baffling of the shaft 8 for performing the electrical sealing between the phases.
  • this shaft 8 also comprises between the above-mentioned zones, parts 39 whose shape is intended to ensure the rigidity of the shaft 8 and the transmission of the torque all along the shaft.
  • this shaft 8 also comprises in the aforementioned zones, nozzle portions 40 adapted to cooperate with portions 41 integral respectively different bimetallic strips so as to achieve the reset of the thermal trip units after the opening of the contacts following an overcurrent, as will be explained in more detail in the following with the help of Figures 12 to 14 .
  • this shaft differs from the embodiment previously described mainly by the means for holding and positioning the movable contacts inside the shaft, and by the means for holding and positioning the contact pressure springs inside the shaft. this same tree.
  • the movable contact 47 comprises, as in the first embodiment described, a main portion 48 and a secondary portion 49 extending substantially perpendicularly to this main portion 48.
  • each movable contact 47 comprise a groove 50 of substantially cylindrical shape provided in the lower surface of the movable contact 47 intended to cooperate with a projecting portion 51 of corresponding shape provided on the lower edge of the opening said first 52 through which the movable contact is intended to be introduced, so as to allow a slight rotation of the movable contact relative to the shaft during its insertion.
  • These holding and positioning means also comprise two recesses 53, 54 respectively provided at the two ends of said recessed portion or said cylindrical groove 50, these recesses being intended to cooperate with two lugs 55, 56 respectively provided at the two ends of this portion.
  • cylindrical projection 51 so as to prevent the translation of the movable contacts relative to the shaft in a direction substantially parallel to the longitudinal direction of the movable contacts.
  • the movement of the moving contact in a direction substantially perpendicular to the plane of the moving contact is limited firstly by the upper surface 57 of the movable contact cooperating with an upper edge 58 defining the so-called first opening 52 of the shaft, and on the other hand, a part forming the lower edge 59 of a so-called second opening 60 provided in the shaft, this opening allowing the output of the movable contacts after their insertion through the first opening, this edge portion 59 being shaped so to form a stop during the downward movement of the movable contact.
  • the means for holding and positioning the springs in the shaft comprise, for each of the springs, an orifice 60 intended to receive the spring 61 and through which the movable contact passes, which movable contact extends in a direction substantially perpendicular to the longitudinal direction of the aforementioned orifice 60.
  • This orifice 60 has an access opening 62 and two opening portions 63,64 respectively a first and a second opening portion, the spring 61 being introduced in an inclined position through the access opening 62.
  • These two opening portions 63, 64 are formed by means of two wall portions 65, 66 each extending from the two longitudinal edges of the opening, these two portions providing a partial separation between the two portions. 63,64 openings and having bearing means adapted to receive the upper portion 67 of the spring 61 so that this spring can be retained within the shaft between these wall portions 65,66 and another portion 68 of the shaft located opposite these separation portions, these opening portions 63,64 being arranged to allow the movement of the spring between a position in which its end said second 67, is located opposite the access opening 62 when inserted and another position in which this end is opposite the second opening portion 64, said spring 61 then being held in a compressed position between the movable contact 47 and the walls of the shaft defining the second opening portion 64 of the shaft .
  • the mounting of the movable contacts is carried out as follows: Firstly, the movable contacts 47 are introduced into the corresponding orifices 52, 69, by successively introducing into the first 52 and second 60 orifices, so that the lugs 55, 56 are introduced into the corresponding recesses 53, 54, this insertion being facilitated by the hinge means 50,51. Then, the springs 61 are introduced into the first portions of openings 63 and supported by one of their ends on the movable contacts 47. Then, each of the springs is compressed so as to allow it to pass under the wall portions 65,66 separation between the opening portions 63,64, after which the second end 67 of the spring is brought facing the second opening portion 64. This manipulation can be performed with a simple tool. In this position the spring 61 is retained by being compressed between the partition wall portions 65, 66 and the corresponding movable contact 47.
  • the mechanism 1 of the device is in the closed position not triggered.
  • the return spring comes into action so as to drive the part supporting the compensating bimetallic strip and thus, the bimetallic compensation, rotating around of said first axis, to a position in which it acts on the transfer bar.
  • this shaft 8 for supporting the movable contacts 7 is mechanically connected to the control mechanism 1 of the apparatus via a transmission rod 45, illustrated in FIG. figure 11 this connecting rod being connected in an articulated manner by one of its ends, to an axis 46 belonging to the shaft 8 located opposite a movable contact 7, and being connected by its mechanically opposite end to the control mechanism.
  • the mechanical connection between the shaft 8 and the mechanism 1 is carried out on a part of the shaft comprising the movable contact corresponding to the subassembly of neutral 5.
  • a single piece supports all the functions namely the positioning and the maintenance of the contacts, the positioning and the maintenance of the contact pressure springs, the linkage, the left and right bearings, the transmission of the forces and according to a particular embodiment of the invention, the resetting of the thermal trip units.
  • the invention applies to any electrical switching device comprising a support shaft of the movable contacts as defined by the appended claims.

Claims (11)

  1. Elektrisches Schaltgerät, umfassend einen Trägerarm mindestens eines mobilen Kontakts in einem elektrischen Schaltgerät, wobei das Gerät in einem Isoliergehäuse aufgenommen ist und mindestens eine unipolare Einheit und einen Steuermechanismus umfasst, wobei die unipolare Einheit eine Schaltkammer umfasst, wobei die Kammer einen festen Kontakt, einen mobilen Kontakt, der von dem Trägerarm der mobilen Kontakte getragen wird, und eine Lichtbogen-Löschvorrichtung enthält, wobei der Trägerarm der mobilen Kontakte von dem Steuermechanismus, manuell oder automatisch, geführt werden kann in eine Öffnungsposition der mobilen Kontakte verschiedener Untereinheiten, in welcher Position die festen Kontakte und die mobilen Kontakte getrennt sind, oder eine als geschlossen bezeichnete Position des Geräts, in der die mobilen Kontakte jeweils mit den festen Kontakten in Kontakt stehen, wobei der Arm ein längliches Monoblockstück umfasst, das einen Arm bildet, wobei das Stück aus einem Isoliermaterial besteht, wobei der Arm (8) in Bezug auf einen Sockel des Geräts um eine Achse, die sich im Wesentlichen parallel zu seiner Längsrichtung erstreckt, gelenkverbunden montiert ist, wobei der Arm (8) Mittel (45, 46) zum mechanischen Verbinden mit dem vorgenannten Steuermechanismus (1) mit Hilfe von Transmissionsmitteln (45) umfasst, wobei der Arm (8) für jede Phasen- oder Nullleiter-Untereinheit (2, 3, 4, 5) Mittel (20 bis 24 und 53 bis 58) zum Halten und Positionieren des mobilen Kontakts (7, 47) und Mittel (34, 35, 36, 37 und 63 bis 66) zum Halten und Positionieren einer Kontaktdruckfeder (18, 61) umfasst, die mit dem mobilen Kontakt (7, 47) assoziiert ist,
    wobei der Arm in Bezug auf das Gehäuse mit Hilfe von zwei Achsen gelenkverbunden montiert ist, welche Lager bilden, die an den beiden gegenüberliegenden Enden des Arms angeordnet sind, wobei die vorgenannten mechanischen Verbindungsmittel (45) in der Nähe eines der Enden des Arms (8) angeordnet sind, wobei der Arm umfasst: auf beiden Seiten jeder der Zonen, die dazu bestimmt sind, einen mobilen Kontakt (7) und seine assoziierte Kontaktdruckfeder (18) aufzunehmen, Teile (39), deren Form dazu bestimmt ist, die Steifigkeit des Arms (8) und die Transmission des mechanischen Drehmoments entlang der gesamten Länge des Arms sicherzustellen, und Mittel (40, 41), die als Rückholmittel bezeichnet werden, aus besonderen Formen des Arms (8) bestehen und geeignet sind, das Rückholen nach einer Öffnung bei einem Fehler zu gestatten, wobei verschiedene thermische Auslöser jeweils zu verschiedenen vorgenannten Phasenuntereinheiten (2, 3, 4) gehören,
    dadurch gekennzeichnet, dass das Gerät eine thermische Schutzvorrichtung umfasst, die umfasst: einerseits ein als aktiv bezeichnetes Bimetall (43), das geeignet ist, ein Erhitzen zu erzeugen, bis ein Überstrom über einer bestimmten Höhe über dem Wert des Nennstroms erzeugt wird, wobei dieses Erhitzen zu einem thermischen Auslösen des Steuermechanismus des Geräts führt, um eine Öffnung der Kontakte zu bewirken, und andererseits ein als Kompensation bezeichnetes Bimetall (42), das dazu bestimmt ist, Variationen zu kompensieren, welche die Änderungen der Umgebungstemperatur in der Temperatur der Schaltung bestimmen, wobei das Kompensationsbimetall in Rotation um eine feste Achse montiert ist, die als erste Achse bezeichnet wird und zu einem Träger des Geräts gehört, wobei die beiden Bimetalle (42, 43) an einem ihrer Enden mit einer Befestigungsvorrichtung (44) miteinander fest verbunden sind, wobei die Befestigungsvorrichtung beim Auftreten eines Überstroms deaktiviert wird, wobei diese Deaktivierung die Betätigung des Steuermechanismus (1) durch das Kompensationsbimetall (42) bewirkt, sowie Rückholmittel (40, 41), die geeignet sind, die Befestigungsvorrichtung (44) in die aktivierte Position bei der Öffnung der Kontakte zurückzuholen, und dadurch, dass die Rotationsachse des Arms (8), der mobile Kontakte trägt, und die Rotationsachse des Kompensationsbimetalls (42) in die Nähe voneinander geführt werden und sich im Wesentlichen parallel zueinander erstrecken, und dadurch, dass der Arm (8), der die mobilen Kontakte trägt, ein Stück (40) umfasst, das als erstes Stück bezeichnet wird und mit einem Stück (41) zusammenwirkt, das als zweites Stück bezeichnet wird, fest verbunden in Rotation mit dem Kompensationsbimetall (42), wobei diese beiden Stücke (40, 41) in Bezug aufeinander derart eingerichtet sind, dass nach einem Auslösen des Mechanismus (1), wenn der Arm (8), der die mobilen Kontakte trägt, in die Richtung der Öffnung der Kontakte geführt wird, das als erstes bezeichnete Stück (40) das als zweites bezeichnete Stück (41) und daher das Kompensationsbimetall (42) in einer Richtung in Rotation mitführt, die zu jener entgegengesetzt ist, die das Auslösen des Mechanismus bewirkt hat, bis zum Erhalten der erneuten Befestigung der beiden Bimetalle (42, 43) in Bezug aufeinander.
  2. Gerät nach Anspruch 1, dadurch gekennzeichnet, dass dieses auf beiden Seiten jeder der Zonen, die dazu bestimmt sind, einen mobilen Kontakt (7) und seine assoziierte Kontaktdruckfeder (18) aufzunehmen, Teile (38) umfasst, deren Form dazu bestimmt ist, eine Verstärkung zu bewirken, die dazu bestimmt ist, die elektrische Isolierung zwischen den verschiedenen elektrischen Phasen des Geräts zu verstärken.
  3. Gerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die vorgenannten mechanischen Verbindungsmittel (45) eine Achse (46) umfassen, die zu dem Arm (8) gehört, um die in Rotation eines der Enden einer Stange (45) montiert ist, deren gegenüberliegendes Ende mit dem Steuermechanismus (1) mechanisch verbunden ist.
  4. Gerät nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die vorgenannten Halte- und Positionierungsmittel jedes mobilen Kontakts (7) umfassen: eine Ausnehmung (24), die in dem Arm (8) vorgesehen und dazu bestimmt ist, den mobilen Kontakt (7) aufzunehmen, Gelenkmittel (32, 33) des mobilen Kontakts in Bezug auf den vorgenannten Arm, die teilweise auf dem Arm und teilweise auf dem mobilen Kontakt vorgesehen sind, und eine Kontaktdruckfeder (18), die im Inneren des Arms derart platziert ist, dass diese mit einem ihrer Enden an dem Arm und mit ihrem gegenüberliegenden Ende an dem mobilen Kontakt anliegt, um den vorgenannten Kontaktdruck auszuüben, und Haltemittel (26 bis 32), die teilweise auf dem Arm (8) und teilweise auf jedem mobilen Kontakt (7) vorgesehen und geeignet sind, die relative Verschiebung zwischen dem mobilen Kontakt und dem Arm nach der Montage der Feder (18) in einer Richtung im Wesentlichen parallel zur Längsrichtung des Hauptteils (7a) des mobilen Kontakts (7) und in einer Richtung im Wesentlichen rechtwinklig zur Ebene dieses Hauptteils (7a) zu verhindern.
  5. Gerät nach Anspruch 4, dadurch gekennzeichnet, dass der oder jeder mobile Kontakt (8), in der Nähe eines seiner Enden, und auf beiden Seiten des mobilen Kontakts, einen Teil umfasst, welcher einen Vorsprung (20, 21) in der Form im Wesentlichen eines Parallelepipeds bildet, der geeignet ist, mit dem ausgenommenen Teil (22, 23) des Arms (8) mit einer im Wesentlichen entsprechenden Form zusammenzuwirken, wobei nahe bei einer der Seiten der Ausnehmung ein Teil (32) gebildet ist, der eine im Wesentlichen runde Fläche (32a) aufweist, so dass, nach dem Einführen der Vorsprünge (20, 21) des mobilen Kontakts (7) in die entsprechenden Ausnehmungen in einer Richtung, die in Bezug auf zwei Flächen (26, 27, 28) der Ausnehmung geneigt sind, gefolgt von einer leichten Rotation des mobilen Kontakts (7) um diese runde Fläche, bis die Wände (29, 30, 31) der Vorsprünge (20, 21) in Anlage gegen die entsprechenden Wände (26, 27, 28) der ausgenommenen Teile (22, 23) geführt werden, und anschließend einer Inbetriebnahme der Kontaktdruckfeder (18) in dem Arm (8), die vorgenannte relative Verschiebung des mobilen Kontakts (7) in Bezug auf den Arm verhindert wird.
  6. Gerät nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Positionierungs- und Haltemittel jeder Kontaktdruckfeder (18) für jede Feder umfassen: eine Ausnehmung (34), die in dem Arm (8) vorgesehen und gegenüber dem assoziierten mobilen Kontakt (7) angeordnet ist, und wobei die Feder dazu bestimmt ist, eingeführt zu werden, und eine Anschlussfläche (36), die zu dem Arm (8) gehört, um die eines der Enden der Feder (18) bestimmt ist, montiert zu werden, deren anderes Ende dazu bestimmt ist, in Anlage an den mobilen Kontakt (7) geführt zu werden.
  7. Gerät nach Anspruch 4, dadurch gekennzeichnet, dass die Gelenkmittel des oder jedes mobilen Kontakts (47) in Bezug auf den vorgenannten Arm, für den oder jeden mobilen Kontakt (47), eine Ausnehmung (50) mit einer teilweise zylindrischen Form umfassen, die auf der unteren Fläche des mobilen Kontakts vorgesehen ist, wobei an einem der Enden des mobilen Kontakts die Ausnehmung geeignet ist, mit einem Abschnitt (51) des Arms mit einer Form im Wesentlichen eines Rohrs mit entsprechenden Abmessungen zusammenzuwirken, wobei dieser Abschnitt am Rand der Öffnung (52) angeordnet ist, quer durch welche der mobile Kontakt dazu bestimmt ist, eingeführt zu werden, und dadurch, dass die vorgenannten Haltemittel zwei Kerben (53, 54) umfassen, die in dem mobilen Kontakt jeweils an den beiden Enden der vorgenannten Ausnehmung (50) mit der im Wesentlichen zylindrischen Form vorgesehen sind, wobei die Kerben (53, 54) dazu bestimmt sind, jeweils mit zwei Vorsprüngen (55, 56) zusammenzuwirken, die an den beiden Enden des Abschnitts des vorgenannten Arms mit der vorgenannten Form teilweise eines Rohrs zusammenzuwirken, wobei die Vorsprünge und Kerben die Verschiebung des mobilen Teils (47) in Bezug auf den Arm in einer Richtung im Wesentlichen parallel zur Längsrichtung des Hauptteils (48) des mobilen Kontakts (47) verhindern, wobei die relative Verschiebung des mobilen Teils in Bezug auf den Arm in einer Richtung im Wesentlichen rechtwinklig zur Längsrichtung des mobilen Kontakts verhindert wird, einerseits durch den vorgenannten vorstehenden rohrförmigen Teil (51), der mit dem vorgenannten hohlen zylindrischen Teil (50) zusammenwirkt, und andererseits durch die obere Fläche (57) des mobilen Kontakts, die mit einem Teil (58) des Arms zusammenwirkt.
  8. Gerät nach einem der Ansprüche 1 bis 7, ausgenommen 6, dadurch gekennzeichnet, dass die Positionierungs- und Haltemittel der Feder(n) (61) in dem Arm, auf der Höhe der Öffnung (62) für einen Zugang zur Öffnung (60), die dazu bestimmt ist, die vorgenannte Feder (61) aufzunehmen, mindestens einen Abschnitt umfassen, der eine mindestens teilweise Trennung der Öffnung bildet, um zwei Öffnungsabschnitte (63, 64) zu erzeugen, wobei die Feder (61) quer durch die Zugangsöffnung (62) in einer geneigten Position und in Anlage eines ihrer Enden an dem mobilen Kontakt eingeführt wird, und geeignet ist, nach ihrem Einführen und ihrem Durchgang durch die Abschnitte (65, 66), die eine Trennung der beiden vorgenannten Öffnungsabschnitte (63, 64) bilden, bei einer von einem Bediener auf ihr zweites Ende (67) ausgeübten Druck, in eine Position verschoben zu werden, in der sich das zweite Ende (67) gegenüber dem zweiten Öffnungsabschnitt (64) befindet, eine Position, in der die Feder (61) im zusammengedrückten Zustand zwischen diesen Trennabschnitten (65, 66) und dem mobilen Kontakt (47) gehalten wird.
  9. Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dieses vom bipolaren, tripolaren oder tetrapolaren Typ ist, und dadurch, dass dieses eine Unterschalteinheit des Nullleiters (5) und jeweils eine, zwei oder drei Unterschalteinheiten der Phase (2, 3, 4) umfasst.
  10. Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die mechanischen Verbindungsmittel (45, 46) auf der Unterschalteinheit des Nullleiters (5) angeordnet sind.
  11. Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dieses ein Leistungsschalter ist, der dazu bestimmt ist, zwischen einem Zähler und einer Verteilungstabelle angeordnet zu sein, und dazu bestimmt ist, insbesondere mit einem elektrischen Netz verbunden zu werden.
EP13191327.9A 2012-12-14 2013-11-04 Kontaktarme tragende Schaltwelle in einem Schaltgerät, und damit versehenes Schaltgerät, insbesondere ein Abzweigschalter Active EP2743947B1 (de)

Applications Claiming Priority (1)

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FR1262049A FR2999793A1 (fr) 2012-12-14 2012-12-14 Arbre de support des contacts mobiles dans un appareil de coupure du courant electrique, et appareil de coupure de courant le comportant, en particulier un disjoncteur de branchement.

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CN104538215B (zh) * 2014-12-22 2016-11-23 施耐德万高（天津）电气设备有限公司 自动/手动开关转换电器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234348A (en) * 1960-11-28 1966-02-08 Littelfuse Inc Circuit breaker with ambient temperature compensation
FR1524261A (fr) * 1967-03-28 1968-05-10 Fr Landis & Gyr Soc Porte-contacts pour appareils électriques basse tension
BE867767A (fr) * 1977-04-14 1978-10-02 Ave Belli Andrea Interrupteur differentiel a grande sensibilite
FR2552926B1 (fr) * 1983-10-04 1985-12-27 Hager Electro Perfectionnements apportes aux interrupteurs a porte-contact basculant
FR2626104B1 (fr) * 1988-01-20 1995-05-24 Hager Electro Perfectionnement aux interrupteurs a coupure automatique, notamment aux interrupteurs differentiels et disjoncteurs
JP2719436B2 (ja) * 1990-08-14 1998-02-25 松下電工株式会社 遮断器の不足電圧引外装置
DE4040263A1 (de) * 1990-12-17 1992-06-25 Abb Patent Gmbh Installationsgeraet
FR2740901B1 (fr) * 1995-11-08 1998-01-30 Legrand Sa Appareil electrique a contact(s) mobile(s) monte(s) rotatif(s) sur un support de contact(s)
FR2805078B1 (fr) * 2000-02-14 2004-09-17 Realisation De Disjoncteurs So Interrupteur multipolaire
JP3930283B2 (ja) * 2001-10-15 2007-06-13 株式会社新愛知電機製作所 トグル機構を備えた電源切替開閉器

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MA35393B1 (fr) 2014-09-01
EP2743947A1 (de) 2014-06-18
PT2743947T (pt) 2018-12-03
ES2708312T3 (es) 2019-04-09

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