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EP2575151B1 - Reinforcement of the sectioning mechanism of a multi-modular electrical appliance such as a circuit breaker - Google Patents

Reinforcement of the sectioning mechanism of a multi-modular electrical appliance such as a circuit breaker Download PDF

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Publication number
EP2575151B1
EP2575151B1 EP11306242.6A EP11306242A EP2575151B1 EP 2575151 B1 EP2575151 B1 EP 2575151B1 EP 11306242 A EP11306242 A EP 11306242A EP 2575151 B1 EP2575151 B1 EP 2575151B1
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EP
European Patent Office
Prior art keywords
contact holder
contact
switching device
tongue
electric switching
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
EP11306242.6A
Other languages
German (de)
French (fr)
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EP2575151A1 (en
Inventor
Claude Houde
Jerôme Dufour
Christian Benoit
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.)
Hager Electro SAS
Original Assignee
Hager Electro SAS
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 Hager Electro SAS filed Critical Hager Electro SAS
Priority to EP11306242.6A priority Critical patent/EP2575151B1/en
Priority to PCT/FR2012/052199 priority patent/WO2013045856A1/en
Priority to CN201280058870.3A priority patent/CN103959415B/en
Publication of EP2575151A1 publication Critical patent/EP2575151A1/en
Application granted granted Critical
Publication of EP2575151B1 publication Critical patent/EP2575151B1/en
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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
    • H01H71/1009—Interconnected mechanisms
    • H01H71/1027—Interconnected mechanisms comprising a bidirectional connecting member actuated by the opening movement of one pole to trip a neighbour pole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/04—Contacts
    • H01H73/045—Bridging contacts
    • 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
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • 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
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • H01H2009/265—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches
    • 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
    • H01H71/1009—Interconnected mechanisms
    • H01H2071/1036—Interconnected mechanisms having provisions for four or more poles

Definitions

  • the present invention relates to electrical switching devices, modular type, more specifically when they are disconnectors.
  • Each module is also conventionally provided with a control lever cooperating with a movable contact carrier driven by a mechanical lock and by means of return of the contact carrier respectively towards or away from a fixed contact. All levers of the device are then connected by a single actuator accessible by the user from outside the device, and which covers the various levers.
  • the document FR 2 892 852 A such devices.
  • a disconnector must guarantee the circuit break if necessary and clearly indicate the state in which it is located, namely ON (contacts closed) or OFF (open contacts), so that there is no has no ambiguity for the user, especially to ensure its security.
  • the actuator must faithfully represent the position of the contacts and not be able to be forced into a position that does not reflect the position of all the contacts.
  • the indication of the state of the contacts must show that the contacts are not or not completely open.
  • no visual indication, of the green color type on the corresponding control levers, or inscription “O” or “OFF” suggesting that the circuit is open, should therefore appear, potentially misleading the user on the state of the connections.
  • multimodal devices pose a particular problem because the place where the force is exerted does not necessarily correspond to the module where a bonding of the contacts occurred.
  • the action on the operating member can very well be exerted on one of the side devices while the bonding of the contacts has occurred on the opposite side device.
  • a torsion force is applied to the operating member whose rigidity must be provided to prevent opening of the contacts at the level where the action takes place.
  • this rigidity must be sufficient to guarantee that, in the event of bonding of the contacts, no indication of opening of the contacts can appear at any location of the multipole apparatus, which would be absolutely contrary to the regulations in force.
  • Sectioning tests are in practice carried out on these devices to test these security conditions. Specifically, these tests, aimed at validating the kinematic behavior of the mechanism within the device during a disarmament, as well as the good mechanical strength of the component parts of the mechanism during and after disarmament, are precisely implemented by exerting an action at the level of the opposite pole to that for which the contacts are glued, which is the most unfavorable hypothesis, and therefore the most appropriate to test the overall rigidity manifest during the reaction of the product.
  • connection means On certain ranges of contactor, there are rigid connection means provided between the adjacent contact carriers, within a same contactor.
  • the contact carriers thus connected to each other form a rigid block.
  • These rigid connection means consist of an additional connecting piece adapted to be inserted between two adjacent contact holders.
  • this configuration also allows the construction of a single block having a good rigidity inside the housing, it nevertheless has several disadvantages, especially when mounting the device. Indeed, the fact of adding an extra room within the device can cause oversights, negatively impacting the quality of the device. In addition, the introduction of this additional piece is not easy because of the reduced space within the device, then inevitably increasing the manufacturing time.
  • these connecting means are adapted to contactors, but are not suitable for larger sectioning devices, the sectioning tests being inconclusive.
  • the objective of the present invention is therefore to find a solution for reinforcing the mechanism, so that all the devices of sectioning meet safety standards.
  • the solution must be simple, with easy implementation, and economically favorable.
  • the rigid connection means consist of at least one rigid male part belonging to a first contact carrier cooperating with no degree of freedom with at least one female part belonging to a contact carrier adjacent to the first contact carrier, each male portion being divisible.
  • the rigid connection means accommodating the stresses appearing between the biased handle and the glued contacts.
  • said male part consists of a tongue adapted to fit into a slot constituting the female part of said connecting means. These are located at the side walls of each contact carrier.
  • said tabs must of course be rigid, and adjusted in slots of corresponding volume.
  • the contact holders can thus be easily nested within each other and aligned inside the device, according to the alignment of the modules.
  • the tab on the last contact holder of the device is systematically detached so that the tab of the last module does not protrude from the product.
  • the breakable tongue extends a lug extending orthogonally from the side wall of the contact carrier, the lower surface of said lug being able to make a mechanical connection between the switchgear and an adjacent device of the auxiliary control type. placed on the same row.
  • a link of this type between devices is commonly used to transmit information on the position of the contact carriers, and where appropriate on the position of the actuator of a first device to a second device.
  • the tongue is L-shaped, for example, and has two breakable zones to detach it from the contact carrier, the first zone being connected to the lug, and the second zone being fixed directly to the side wall of the carrier. contact.
  • connection means according to the invention can also be integrated in a mechanism in translation, that is to say with the contact carriers moving in a linear manner, in a rotating mechanism, the aligned contact carriers being pivotable together relative to an axis, as the pivoting movement of the single actuator for example.
  • the figure 1 represents a tetramodular apparatus (1).
  • the control levers (4) of the four modules (2a, 2b, 2c, 2d) are connected by a single operating member (3). This is a switch / disconnector at the head of the electrical installation.
  • a module (2) inside a module (2) consists mainly of a contact carrier (5) adapted to move movable contacts (6) to or away from fixed contacts (7).
  • This contact carrier (5) is movable by the action of the control lever (4) via a mechanism with rod drive (8).
  • a return spring (9) allows the contact carrier (5) to return to its initial position. The contact carrier (5) thus performs translational movements within the module (2).
  • a tetramodular apparatus (1) comprising four contiguous modules, as presented in figure 1 there are four contact holders (5). Each of them is solicited by action on the control levers (4) via the general operating member (3). In fact, in other words, a manual action on the operating member (3) causes the displacement of all the contact holders (5).
  • the rigid connection means better visible in figure 4 consists of a tab (10) protruding from one lateral side (14) of each contact carrier (5) and adapted to fit snugly into a slot (11) on the other side (15) of each contact carrier (5).
  • Contact holders (5) are thus easily nestable into each other, and removably.
  • the material of the tongues (10) being the same as that of the movable contact supports, it is therefore rigid and able to achieve the rigid connection.
  • the tongue (10a) of the contact carrier (5a) is inserted in the slot (11b) of the contact carrier (5b), the tongue (10b) of the contact carrier (5b) is inserted into the slot (11c ) of the contact carrier (5d), and the tongue (10c) of the contact carrier (5c) is inserted into the slot (11d) of the contact carrier (5d).
  • the tab (10d) of the contact carrier (5d) is therefore not necessary in a four-pole device configuration (1). On the contrary, such a protrusion at the end of row annoys since it protrudes from the molded casing of the last module. This is why this tongue (10d) is intended to be scored.
  • the figure 5 presents the breakable zones (12, 13) of a tongue (10) in a possible configuration.
  • the first breakable zone (12) is located on the junction zone between the tongue (10) and the lateral side (14) of the contact carrier (5), while the second breakable zone (13) is located on the zone of contact junction between the tongue (10) and a lug (15) projecting from the lateral side (14).
  • the tongue (10) has an L shape and encloses the lug (15).
  • the lug (15) protrudes from the last contact holder (5) of the row once the tongue (10) detached, as shown in FIG. figure 6 .
  • a cutout provided for this purpose in the housing of the device (1) allows it to exceed so as to cooperate with the next device on the row in the electrical panel.
  • the lower surface (16) of the lug (15) is able to make a connection with an adjacent device of the auxiliary control type.
  • the invention has been described by means of a particular example of configuration, especially as regards the rigid connection means between the contact carriers within the apparatus, which are however not in any way limiting.
  • the invention encompasses all variants of shape and configuration that are within the reach of those skilled in the art as far as they are made according to the claims.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Description

La présente invention concerne les appareils électriques de coupure, de type modulaire, plus précisément lorsqu'ils sont sectionneurs.The present invention relates to electrical switching devices, modular type, more specifically when they are disconnectors.

Ces appareils sont traditionnellement constitués de plusieurs modules accolés les uns aux autres, chaque module présentant un boîtier extérieur et comportant une coque et un couvercle. Chaque module est par ailleurs classiquement doté d'un levier de commande coopérant avec un porte-contact mobile entraîné par une serrure mécanique et par des moyens de rappel du porte-contact respectivement vers ou à distance d'un contact fixe. Tous les leviers de l'appareil sont ensuite reliés par un unique organe de manoeuvre accessible par l'utilisateur depuis l'extérieur de l'appareil, et qui coiffe les différents leviers. Le document FR 2 892 852 A concerne un tel appareils. De manière générale, un sectionneur doit garantir la coupure du circuit si besoin et signaler clairement l'état dans lequel il se trouve, à savoir ON (contacts fermés) ou OFF (contacts ouverts), de manière à ce qu'il n'y ait pas d'ambigüité pour l'utilisateur, notamment pour garantir sa sécurité. En d'autres termes, l'organe de manoeuvre doit représenter de façon fidèle la position des contacts et ne pas pouvoir être forcé dans une position qui ne reflète pas la position de la totalité des contacts. Par exemple, en cas de collage accidentel des contacts, sur au moins une ligne, l'indication de l'état des contacts doit montrer que les contacts ne sont pas ou pas totalement ouverts. En d'autres termes, aucune indication visuelle, du type couleur verte sur les leviers de commande correspondants, ou inscription « O » ou « OFF » laissant penser que le circuit est ouvert, ne doit par conséquent apparaître, risquant d'induire en erreur l'utilisateur sur l'état des connexions.These devices are traditionally made up of several modules contiguous to each other, each module having an outer casing and having a shell and a cover. Each module is also conventionally provided with a control lever cooperating with a movable contact carrier driven by a mechanical lock and by means of return of the contact carrier respectively towards or away from a fixed contact. All levers of the device are then connected by a single actuator accessible by the user from outside the device, and which covers the various levers. The document FR 2 892 852 A such devices. In general, a disconnector must guarantee the circuit break if necessary and clearly indicate the state in which it is located, namely ON (contacts closed) or OFF (open contacts), so that there is no has no ambiguity for the user, especially to ensure its security. In other words, the actuator must faithfully represent the position of the contacts and not be able to be forced into a position that does not reflect the position of all the contacts. For example, in case of accidental bonding of the contacts, on at least one line, the indication of the state of the contacts must show that the contacts are not or not completely open. In other words, no visual indication, of the green color type on the corresponding control levers, or inscription "O" or "OFF" suggesting that the circuit is open, should therefore appear, potentially misleading the user on the state of the connections.

Des normes de sécurité relatives au désarmement de ce type d'appareil ont donc été instaurées.Safety standards for disarming this type of device have therefore been introduced.

L'une de ces normes stipule que la force à appliquer sur le levier de commande pour vérifier l'aptitude au sectionnement (en cas de collage des contacts au sein de l'appareil) est de trois fois la force normale exercée pour l'ouverture des contacts (non collés) et doit être au minimum de 50 newtons.One of these standards states that the force to be applied to the control lever to check the ability to disconnect (if the contacts stick together within the device) is three times the normal force exerted for the opening contacts (not glued) and must be at least 50 newtons.

Les appareils multimodulaires posent à cet égard un problème particulier car l'endroit où s'exerce la force ne correspond pas nécessairement au module où s'est produit un collage des contacts.In this respect, multimodal devices pose a particular problem because the place where the force is exerted does not necessarily correspond to the module where a bonding of the contacts occurred.

En particulier dans un appareil tétramodulaire, l'action sur l'organe de manoeuvre peut très bien être exercée au niveau de l'un des appareils latéraux alors que le collage des contacts est survenu sur l'appareil latéral situé à l'opposé.In particular in a tetramodular apparatus, the action on the operating member can very well be exerted on one of the side devices while the bonding of the contacts has occurred on the opposite side device.

Dans ce cas, un effort de torsion est appliqué à l'organe de manoeuvre dont la rigidité doit être prévue pour empêcher une ouverture des contacts au niveau où s'exerce l'action.In this case, a torsion force is applied to the operating member whose rigidity must be provided to prevent opening of the contacts at the level where the action takes place.

Plus généralement, cette rigidité doit être suffisante pour garantir qu'en cas de collage des contacts, aucune indication d'ouverture des contacts ne puisse apparaître en un quelconque emplacement de l'appareil multipolaire, ce qui serait absolument contraire aux règlements en vigueur.More generally, this rigidity must be sufficient to guarantee that, in the event of bonding of the contacts, no indication of opening of the contacts can appear at any location of the multipole apparatus, which would be absolutely contrary to the regulations in force.

Des essais de sectionnement sont en pratique réalisés sur ces appareils pour tester ces conditions sécuritaires. Concrètement, ces essais, visant à valider le comportement cinématique du mécanisme au sein de l'appareil pendant un désarmement, ainsi que la bonne tenue mécanique des pièces composant le mécanisme pendant et après le désarmement, sont précisément mis en oeuvre en exerçant une action au niveau du pôle opposé à celui pour lequel les contacts sont collés, ce qui constitue l'hypothèse la plus défavorable, et donc la plus appropriée pour tester la rigidité d'ensemble manifeste au cours de la réaction du produit.Sectioning tests are in practice carried out on these devices to test these security conditions. Specifically, these tests, aimed at validating the kinematic behavior of the mechanism within the device during a disarmament, as well as the good mechanical strength of the component parts of the mechanism during and after disarmament, are precisely implemented by exerting an action at the level of the opposite pole to that for which the contacts are glued, which is the most unfavorable hypothesis, and therefore the most appropriate to test the overall rigidity manifest during the reaction of the product.

Un tel essai a évidemment des répercussions sur les pièces mécaniques reliant les leviers aux contacts mobiles, auxquelles les contraintes résultant de l'effort exercé sur un levier d'une part et du blocage des contacts opposés d'autre part s'appliquent, engendrant des déréglages et des déformations desdites pièces.Such a test obviously has repercussions on the mechanical parts connecting the levers to the movable contacts, to which the constraints resulting from the force exerted on a lever on the one hand and the blocking of the opposite contacts on the other hand apply, generating misalignments and deformations of said parts.

Le problème qui se pose est que dans les cas les plus défavorables, par exemple avec un produit tétrapolaire, la rigidité d'ensemble assurée exclusivement par l'organe de manoeuvre regroupant les différents leviers n'est pas suffisante pour que les tests de sectionnement soient couronnés de succès. L'ajout d'une pièce de liaison parallèle à l'axe de l'organe de manoeuvre et traversant tous les modules de l'appareil permet de le rigidifier et ainsi limiter le phénomène de torsion au sein de l'appareil, mais ne suffit pas pour la réussite des tests de sectionnement.The problem that arises is that in the most unfavorable cases, for example with a four-pole product, the overall rigidity provided exclusively by the actuator unit comprising the different levers is not sufficient for the sectioning tests to be performed. successful. The addition of a connecting piece parallel to the axis of the actuating member and passing through all the modules of the apparatus makes it possible to stiffen it and thus limit the phenomenon of torsion within the apparatus, but is not sufficient not for successful sectioning tests.

Sur certaines gammes de contacteur, il existe des moyens de liaison rigide prévus entre les porte-contacts adjacents, à l'intérieur d'un même contacteur. Les porte-contacts ainsi reliés les uns aux autres forment un bloc rigide. Ces moyens de liaison rigide consistent en une pièce de liaison supplémentaire apte à venir s'insérer entre deux porte-contacts adjacents. Bien que cette configuration permette également la construction d'un unique bloc présentant une bonne rigidité à l'intérieur du boîtier, elle présente cependant plusieurs inconvénients, notamment lors du montage de l'appareil. En effet, le fait d'ajouter une pièce supplémentaire au sein de l'appareil peut engendrer des oublis, impactant de manière négative la qualité de l'appareil. De plus, la mise en place de cette pièce supplémentaire n'est pas aisée du fait de l'espace réduit au sein de l'appareil, augmentant alors inévitablement le temps de fabrication. Finalement, ces moyens de liaison sont adaptés à des contacteurs, mais ne conviennent pas à des appareils de sectionnement de plus gros calibre, les tests de sectionnement n'étant pas concluants.On certain ranges of contactor, there are rigid connection means provided between the adjacent contact carriers, within a same contactor. The contact carriers thus connected to each other form a rigid block. These rigid connection means consist of an additional connecting piece adapted to be inserted between two adjacent contact holders. Although this configuration also allows the construction of a single block having a good rigidity inside the housing, it nevertheless has several disadvantages, especially when mounting the device. Indeed, the fact of adding an extra room within the device can cause oversights, negatively impacting the quality of the device. In addition, the introduction of this additional piece is not easy because of the reduced space within the device, then inevitably increasing the manufacturing time. Finally, these connecting means are adapted to contactors, but are not suitable for larger sectioning devices, the sectioning tests being inconclusive.

L'objectif de la présente invention est donc de trouver une solution de renforcement du mécanisme, de manière à ce que tous les appareils de sectionnement satisfassent les normes de sécurité. La solution doit être simple, avec une mise en oeuvre aisée, et économiquement favorable.The objective of the present invention is therefore to find a solution for reinforcing the mechanism, so that all the devices of sectioning meet safety standards. The solution must be simple, with easy implementation, and economically favorable.

La solution préconisée dans le cadre de l'invention se caractérise à titre essentiel en ce que les moyens de liaison rigide consistent en au moins une partie mâle rigide appartenant à un premier porte-contact coopérant sans degré de liberté avec au moins une partie femelle appartenant à un porte-contact adjacent au premier porte-contact, chaque partie mâle étant sécable.The solution recommended in the context of the invention is essentially characterized in that the rigid connection means consist of at least one rigid male part belonging to a first contact carrier cooperating with no degree of freedom with at least one female part belonging to a contact carrier adjacent to the first contact carrier, each male portion being divisible.

Lors d'un essai de sectionnement, c'est le bloc de porte-contacts en entier qui sera sollicité, les moyens de liaison rigides encaissant les contraintes apparaissant entre la manette sollicitée et les contacts collés.During a sectioning test, it is the whole contact carrier block that will be solicited, the rigid connection means accommodating the stresses appearing between the biased handle and the glued contacts.

Dans cette configuration, il n'y a donc pas de pièce supplémentaire insérée dans le mécanisme initial de l'appareil. Ces moyens de liaison rigide intégrés directement sur les porte-contacts permettent de créer une liaison mécanique rigide entre des porte-contacts adjacents à l'intérieur d'un même appareil. C'est précisément cette liaison mécanique qui permet d'encaisser une grande partie des contraintes mécaniques lors d'une manoeuvre de sectionnement, limitant les contraintes répercutées sur les autres pièces du mécanisme de sectionnement.In this configuration, there is therefore no additional piece inserted into the initial mechanism of the apparatus. These rigid connection means integrated directly on the contact-holders make it possible to create a rigid mechanical connection between adjacent contact-holders inside the same apparatus. It is precisely this mechanical connection that allows a large part of the mechanical stresses to be absorbed during a sectioning maneuver, limiting the stresses reflected on the other parts of the sectioning mechanism.

De préférence, ladite partie mâle consiste en une languette apte à s'insérer dans une fente constituant la partie femelle desdits moyens de liaison. Ces derniers sont localisés au niveau des parois latérales de chaque porte-contact.Preferably, said male part consists of a tongue adapted to fit into a slot constituting the female part of said connecting means. These are located at the side walls of each contact carrier.

De manière générale, chaque porte-contact est doté :

  • d'une languette sécable saillant de l'une de ses deux parois latérales ;
  • et d'une fente pratiquée dans l'autre paroi latérale.
In general, each contact carrier is provided with:
  • a breakable tongue protruding from one of its two side walls;
  • and a slot in the other side wall.

Pour assurer la rigidification du bloc de porte-contacts, lesdites languettes doivent bien entendu être rigides, et ajustées dans des fentes de volume correspondant.To ensure the stiffening of the contact carrier block, said tabs must of course be rigid, and adjusted in slots of corresponding volume.

Les porte-contacts peuvent donc être facilement emboîtés les uns dans les autres et alignés à l'intérieur de l'appareil, selon l'alignement des modules.The contact holders can thus be easily nested within each other and aligned inside the device, according to the alignment of the modules.

La languette présente sur le dernier porte-contact de l'appareil est systématiquement détachée de manière à ce que la languette du dernier module ne dépasse pas du produit.The tab on the last contact holder of the device is systematically detached so that the tab of the last module does not protrude from the product.

Le fait que la partie mâle du porte-contact soit facilement détachable présente ainsi l'avantage d'utiliser les mêmes porte-contacts quels que soient leurs emplacements au sein de l'appareil.The fact that the male part of the contact carrier is easily detachable thus has the advantage of using the same contact carrier regardless of their locations within the device.

Selon une possibilité, la languette sécable prolonge un ergot s'étendant orthogonalement de la paroi latérale du porte-contact, la surface inférieure dudit ergot étant apte à réaliser une liaison mécanique entre l'appareil de coupure et un appareil adjacent du type auxiliaire de commande placé sur une même rangée. Une liaison de ce type entre appareils est couramment utilisée pour transmettre des informations sur la position des porte-contacts, et le cas échéant sur la position de l'organe de manoeuvre d'un premier appareil à un second appareil.According to one possibility, the breakable tongue extends a lug extending orthogonally from the side wall of the contact carrier, the lower surface of said lug being able to make a mechanical connection between the switchgear and an adjacent device of the auxiliary control type. placed on the same row. A link of this type between devices is commonly used to transmit information on the position of the contact carriers, and where appropriate on the position of the actuator of a first device to a second device.

Plus précisément, la languette est en forme de L par exemple, et comporte deux zones sécables pour la détacher du porte-contact, la première zone étant raccordée à l'ergot, et la deuxième zone étant fixée directement à la paroi latérale du porte-contact.More specifically, the tongue is L-shaped, for example, and has two breakable zones to detach it from the contact carrier, the first zone being connected to the lug, and the second zone being fixed directly to the side wall of the carrier. contact.

Les moyens de liaison selon l'invention peuvent aussi bien être intégrés dans un mécanisme en translation, c'est-à-dire avec les porte-contacts se déplaçant de manière linéaire, que dans un mécanisme en rotation, les porte-contacts alignés étant aptes à pivoter ensemble par rapport à un axe, tout comme le mouvement de pivotement de l'unique organe de manoeuvre par exemple.The connection means according to the invention can also be integrated in a mechanism in translation, that is to say with the contact carriers moving in a linear manner, in a rotating mechanism, the aligned contact carriers being pivotable together relative to an axis, as the pivoting movement of the single actuator for example.

L'invention va à présent être décrite plus en détail, en référence aux figures, pour lesquelles :

  • la figure 1 représente, en vue perspective, un appareil tétramodulaire concerné par l'invention ;
  • la figure 2 est une vue en coupe de l'un des modules composant l'appareil présenté en figure 1 ;
  • la figure 3 représente les quatre porte-contacts des quatre modules composant l'appareil selon une configuration possible de l'invention ;
  • la figure 4 présente les moyens d'accroche entre les porte-contacts selon la configuration présentée en figure 3 ;
  • la figure 5 est une vue agrandie sur la partie mâle des moyens d'accroche en place sur un porte-contact ;
  • la figure 6 montre le même porte-contact qu'en figure 5 avec la partie mâle des moyens d'accroche détachée.
The invention will now be described in more detail, with reference to the figures, for which:
  • the figure 1 represents, in perspective view, a tetramodular apparatus concerned by the invention;
  • the figure 2 is a sectional view of one of the modules comprising the device presented in figure 1 ;
  • the figure 3 represents the four contact-holders of the four modules composing the apparatus according to a possible configuration of the invention;
  • the figure 4 presents the means of attachment between the contact-holders according to the configuration presented in figure 3 ;
  • the figure 5 is an enlarged view on the male part of the attachment means in place on a contact carrier;
  • the figure 6 shows the same contact holder as figure 5 with the male part of the detached attachment means.

La figure 1 représente un appareil tétramodulaire (1). Les leviers de commande (4) des quatre modules (2a, 2b, 2c, 2d) sont reliés par un unique organe de manoeuvre (3). Il s'agit en l'espèce d'un interrupteur/sectionneur placé en tête d'installation électrique.The figure 1 represents a tetramodular apparatus (1). The control levers (4) of the four modules (2a, 2b, 2c, 2d) are connected by a single operating member (3). This is a switch / disconnector at the head of the electrical installation.

Comme cela est illustré en figure 2, l'intérieur d'un module (2) est principalement constitué d'un porte-contact (5) apte à déplacer des contacts mobiles (6) vers ou à distance de contacts fixes (7). Ce porte-contact (5) est déplaçable par l'action du levier de commande (4) via un mécanisme avec entraînement par bielle (8). Un ressort (9) de rappel permet au porte-contact (5) de revenir en position initiale. Le porte-contact (5) effectue ainsi des mouvements de translation au sein du module (2).As illustrated in figure 2 , inside a module (2) consists mainly of a contact carrier (5) adapted to move movable contacts (6) to or away from fixed contacts (7). This contact carrier (5) is movable by the action of the control lever (4) via a mechanism with rod drive (8). A return spring (9) allows the contact carrier (5) to return to its initial position. The contact carrier (5) thus performs translational movements within the module (2).

Dans un appareil tétramodulaire (1) comportant quatre modules accolés, comme présenté en figure 1, se trouvent quatre porte-contacts (5). Chacun d'entre eux est sollicité par action sur les leviers de commande (4) via l'organe de manoeuvre (3) général. En fait, en d'autres termes, une action manuelle sur l'organe de manoeuvre (3) entraîne le déplacement de tous les porte-contacts (5).In a tetramodular apparatus (1) comprising four contiguous modules, as presented in figure 1 there are four contact holders (5). Each of them is solicited by action on the control levers (4) via the general operating member (3). In fact, in other words, a manual action on the operating member (3) causes the displacement of all the contact holders (5).

Tous les porte-contacts (5) se déplacent donc simultanément au sein de l'appareil (1). Pour améliorer leur robustesse globale notamment dans l'optique des essais de sectionnement, l'idée est de les accrocher les uns aux autres, comme cela est illustré en figure 3, de manière à former un bloc rigide.All contact holders (5) therefore move simultaneously within the device (1). To improve their overall robustness especially in the optics of sectioning tests, the idea is to hook them to each other, as illustrated in figure 3 , so as to form a rigid block.

Les moyens de liaison rigide, mieux visibles en figure 4, consistent en une languette (10) dépassant d'un côté latéral (14) de chaque porte-contact (5) et apte à s'insérer de façon ajustée dans une fente (11) pratiquée de l'autre côté latéral (15) de chaque porte-contact (5). Les porte-contacts (5) sont ainsi facilement emboîtables les uns dans les autres, et de manière amovible. Le matériau des languettes (10) étant le même que celui des supports de contact mobile, il est par conséquent rigide et apte à réaliser la liaison rigide.The rigid connection means, better visible in figure 4 consists of a tab (10) protruding from one lateral side (14) of each contact carrier (5) and adapted to fit snugly into a slot (11) on the other side (15) of each contact carrier (5). Contact holders (5) are thus easily nestable into each other, and removably. The material of the tongues (10) being the same as that of the movable contact supports, it is therefore rigid and able to achieve the rigid connection.

Ainsi, relativement à la figure 3, la languette (10a) du porte-contact (5a) s'insère dans la fente (11b) du porte-contact (5b), la languette (10b) du porte-contact (5b) s'insère dans la fente (11c) du porte-contact (5d), et la languette (10c) du porte-contact (5c) s'insère dans la fente (11d) du porte-contact (5d).So, relative to the figure 3 , the tongue (10a) of the contact carrier (5a) is inserted in the slot (11b) of the contact carrier (5b), the tongue (10b) of the contact carrier (5b) is inserted into the slot (11c ) of the contact carrier (5d), and the tongue (10c) of the contact carrier (5c) is inserted into the slot (11d) of the contact carrier (5d).

La languette (10d) du porte-contact (5d) n'est donc pas nécessaire dans une configuration d'appareil tétrapolaire (1). Au contraire, une telle protubérance en bout de rangée gêne puisqu'elle dépasse du boîtier moulé du dernier module. C'est pourquoi cette languette (10d) est prévue pour être sécable.The tab (10d) of the contact carrier (5d) is therefore not necessary in a four-pole device configuration (1). On the contrary, such a protrusion at the end of row annoys since it protrudes from the molded casing of the last module. This is why this tongue (10d) is intended to be scored.

La figure 5 présente les zones sécables (12, 13) d'une languette (10) selon une configuration possible. En l'espèce, il y a deux zones sécables (12, 13) caractérisées par une diminution de l'épaisseur de la languette de manière à la fragiliser localement.The figure 5 presents the breakable zones (12, 13) of a tongue (10) in a possible configuration. In this case, there are two breakable zones (12, 13) characterized by a decrease in the thickness of the tongue so as to weaken it locally.

La première zone sécable (12) est située sur la zone de jonction entre la languette (10) et le côté latéral (14) du porte-contact (5), tandis que la deuxième zone sécable (13) est située sur la zone de jonction entre la languette (10) et un ergot (15) saillant du côté latéral (14). La languette (10) a une forme en L et encadre l'ergot (15).The first breakable zone (12) is located on the junction zone between the tongue (10) and the lateral side (14) of the contact carrier (5), while the second breakable zone (13) is located on the zone of contact junction between the tongue (10) and a lug (15) projecting from the lateral side (14). The tongue (10) has an L shape and encloses the lug (15).

Concrètement, l'ergot (15) saille du dernier porte-contact (5) de la rangée une fois la languette (10) détachée, comme illustré en figure 6. Une découpe prévue à cet effet dans le boîtier de l'appareil (1) lui permet de dépasser de manière à pouvoir coopérer avec l'appareil suivant sur la rangée dans le tableau électrique.Specifically, the lug (15) protrudes from the last contact holder (5) of the row once the tongue (10) detached, as shown in FIG. figure 6 . A cutout provided for this purpose in the housing of the device (1) allows it to exceed so as to cooperate with the next device on the row in the electrical panel.

Plus précisément, la surface inférieure (16) de l'ergot (15) est apte à réaliser une liaison avec un appareil adjacent du type auxiliaire de commande.More precisely, the lower surface (16) of the lug (15) is able to make a connection with an adjacent device of the auxiliary control type.

L'invention a été décrite au moyen d'un exemple particulier de configuration, notamment quant aux moyens de liaison rigide entre les porte-contacts au sein de l'appareil, qui ne sont cependant nullement limitatifs. L'invention englobe au contraire toutes les variantes de forme et de configuration qui sont à la portée de l'homme de l'art pour autant qu'elles soient réalisées selon les revendications.The invention has been described by means of a particular example of configuration, especially as regards the rigid connection means between the contact carriers within the apparatus, which are however not in any way limiting. The invention encompasses all variants of shape and configuration that are within the reach of those skilled in the art as far as they are made according to the claims.

Claims (6)

  1. Electric switching device (1) of the modular type, each module (2a, 2b, 2c, 2d) of which comprises a control lever (4) cooperating with a moveable contact holder (5) driven by a mechanical lock and by return means (9) of the contact holder (5) towards or away from a fixed contact (7), all of the levers (4) of the device (1) being connected by a single operating member (3), rigid connecting means being provided between the adjacent contact holders (5),
    characterised in that said rigid connecting means consist of at least one rigid male part belonging to a first contact holder (5) cooperating without any degrees of freedom with at least one female part belonging to a contact holder (5) adjacent to the first contact holder (5), each male part being divisable.
  2. Electric switching device (1) according to the preceding claim,
    characterised in that the male part of the of the rigid connecting means consists of a tongue (10) which can be inserted into a slit (11) forming the female part of the rigid connecting means.
  3. Electric switching device (1) according to any of the preceding claims,
    characterised in that the rigid connecting means are located on the lateral walls (14, 15) of each contact holder (5).
  4. Electric switching device (1) according to any of the preceding claims,
    characterised in that each contact holder (5) is fitted:
    - with a divisable tongue (10) projecting from one of its two lateral walls (14);
    - and a slit (11) formed in the other lateral wall (15).
  5. Electric switching device (1) according to the preceding claim,
    characterised in that the divisable tongue (10) extends a lug (15) extending orthogonally from the lateral wall (14) of the contact holder (5), the lower surface (16) of said lug (15) being able to form a mechanical connection between the switching device (1) and an adjacent device of the auxiliary control type placed in the same row.
  6. Electric switching device (1) according to the preceding claim,
    characterised in that the tongue (10) is in the form of an L and comprises two divisable areas (12, 13) to detach it from the contact holder (5), the first area (13) being connected to the lug (15) and the second area (12) being fixed directly to the lateral wall (14) of the contact holder (5).
EP11306242.6A 2011-09-29 2011-09-29 Reinforcement of the sectioning mechanism of a multi-modular electrical appliance such as a circuit breaker Active EP2575151B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11306242.6A EP2575151B1 (en) 2011-09-29 2011-09-29 Reinforcement of the sectioning mechanism of a multi-modular electrical appliance such as a circuit breaker
PCT/FR2012/052199 WO2013045856A1 (en) 2011-09-29 2012-09-28 Enhancement of the isolating mechanism of a multimodular electrical apparatus of the circuit breaker type
CN201280058870.3A CN103959415B (en) 2011-09-29 2012-09-28 Improvement of Cutting Mechanism of Circuit Breaker Multi-module Electrical Equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11306242.6A EP2575151B1 (en) 2011-09-29 2011-09-29 Reinforcement of the sectioning mechanism of a multi-modular electrical appliance such as a circuit breaker

Publications (2)

Publication Number Publication Date
EP2575151A1 EP2575151A1 (en) 2013-04-03
EP2575151B1 true EP2575151B1 (en) 2017-11-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11306242.6A Active EP2575151B1 (en) 2011-09-29 2011-09-29 Reinforcement of the sectioning mechanism of a multi-modular electrical appliance such as a circuit breaker

Country Status (3)

Country Link
EP (1) EP2575151B1 (en)
CN (1) CN103959415B (en)
WO (1) WO2013045856A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108807095B (en) * 2017-05-04 2024-03-19 周思雨 Miniature circuit breaker and kick assembly thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3824546A1 (en) * 1988-07-20 1990-01-25 Asea Brown Boveri ELECTRIC CIRCUIT BREAKER
US6476697B2 (en) * 2000-01-18 2002-11-05 Kilovac Corporation Modular multi-phase contactor
US6204465B1 (en) * 2000-04-03 2001-03-20 Eaton Corporation Circuit breaker with arc gas engaging paddles on a trip bar and/or crossbar
FR2892852B1 (en) * 2005-10-28 2007-12-21 Hager Electro S A S Soc Par Ac DETROMPING SYSTEM FOR THE ASSOCIATION OF ELECTRICAL EQUIPMENT
FR2923942B1 (en) * 2007-11-16 2014-09-05 Schneider Electric Ind Sas DEVICE FOR CONTROLLING AN ELECTRICAL CUTTING APPARATUS AND AN ELECTRICAL CUTTING APPARATUS COMPRISING IT
ITRM20090143A1 (en) * 2009-03-27 2010-09-28 Bticino Spa MODULAR ELECTRICAL APPLIANCE WITH COUPLING BAR TO A CONTROL LEVER OF AN ADDITIONAL MODULAR ELECTRICAL APPLIANCE
CN101697333A (en) * 2009-11-02 2010-04-21 赵建平 Contact supporting rod for low-voltage power circuit breaker

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN103959415A (en) 2014-07-30
CN103959415B (en) 2017-03-08
EP2575151A1 (en) 2013-04-03
WO2013045856A1 (en) 2013-04-04

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