EP2518752A1 - Fault trip indicator by the position of the handle - Google Patents

Fault trip indicator by the position of the handle Download PDF

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Publication number
EP2518752A1
EP2518752A1 EP12305477A EP12305477A EP2518752A1 EP 2518752 A1 EP2518752 A1 EP 2518752A1 EP 12305477 A EP12305477 A EP 12305477A EP 12305477 A EP12305477 A EP 12305477A EP 2518752 A1 EP2518752 A1 EP 2518752A1
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EP
European Patent Office
Prior art keywords
handle
trigger
protuberance
protection device
link
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
EP12305477A
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German (de)
French (fr)
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EP2518752B1 (en
Inventor
Denis Kuhn
Hassan Essadik
Pascal Strub
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Hager Electro SAS
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Hager Electro SAS
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Publication of EP2518752A1 publication Critical patent/EP2518752A1/en
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Publication of EP2518752B1 publication Critical patent/EP2518752B1/en
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    • 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
    • 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
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/528—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a toggle or collapsible link between handle and contact arm, e.g. sear pin mechanism
    • 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
    • H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
    • 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
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure

Definitions

  • the figure 5b shows that the end (3b) is actually retained by the protuberance (2) and the protrusion (9), located opposite one another: we could very well consider that the deformation of the obstacle that they together constitute either supported by said protrusion (9), then provided elastically deformable material, or by the protuberance (2) and the protrusion (9) together.

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  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)

Abstract

The apparatus has a control lever (8) controlling a fixed contact and a movable contact (6) between spacing and contact positions. A return unit is connected to the lever to move a connecting rod end (3b) toward a rotation axis of the lever along a path external to a trip device (4)/contact carrier assembly. A protuberance (2) on the path blocks an assembly of the rod/lever in a middle position to signal tripping of a lock following an electric fault. The protuberance is partially retractable and/or deformable when a force exerted on the lever is greater than that on the return unit.

Description

La présente invention concerne les appareils électriques de protection de ligne de type disjoncteur, et a plus particulièrement trait à un dispositif de signalisation de défaut électrique sur une des lignes protégées par l'appareil, la survenue d'un tel défaut se manifestant concrètement par une position particulière de la manette de commande dudit appareil.The present invention relates to circuit-breaker type electrical protection devices, and more particularly relates to an electrical fault signaling device on one of the lines protected by the device, the occurrence of such a defect manifesting itself concretely in a device. particular position of the control lever of said apparatus.

Le but est de permettre à l'utilisateur de savoir immédiatement si l'appareil a été ouvert manuellement ou si l'ouverture des contacts résulte d'un incident. Une telle information, outre son caractère sécuritaire puisqu'elle renseigne sur l'état exact de la ligne protégée, peut influer sur l'approche décisionnelle prise par l'utilisateur avant un éventuel réarmement du produit, quelles que soient par ailleurs ses connaissances en électricité. Sur un plan pratique, cette information est donnée de manière telle qu'elle est visible même dans des ambiances sombres, ce qui est particulièrement avantageux au regard de l'emplacement des tableaux électriques dans nombres de configurations.The purpose is to allow the user to know immediately if the device has been opened manually or if the opening of the contacts results from an incident. Such information, in addition to its security as it provides information on the exact state of the protected line, may influence the decision-making approach taken by the user before a possible rearming of the product, regardless of his knowledge of electricity . On a practical level, this information is given in such a way that it is visible even in dark environments, which is particularly advantageous with regard to the location of the electrical panels in many configurations.

Enfin, l'information étant donnée par le positionnement particulier de la manette de commande, laquelle fait évidemment déjà partie de ce type de produit, elle ne nécessite pas la mise en oeuvre de composants particuliers supplémentaires, ni l'élaboration d'une solution à conception et mise au point lourdes. La configuration prônée par l'invention fait de plus partie d'une solution qui n'a pas d'impact sur le processus d'assemblage existant.Finally, the information being given by the particular positioning of the joystick, which is obviously already part of this type of product, it does not require the implementation of additional particular components, or the development of a solution to heavy design and focus. The configuration advocated by the invention is also part of a solution that has no impact on the existing assembly process.

En somme, le but de l'invention est de proposer une technique de signalisation qui repose très largement sur le dispositif tel qu'il existe, sans qu'il soit nécessaire de repenser tout ou partie du produit, mais en le modifiant au contraire a minima.In short, the object of the invention is to propose a signaling technique that relies very much on the device as it exists, without it is necessary to rethink all or part of the product, but at least modify it at least.

Ce genre d'appareil comprend au moins une paire de contacts respectivement fixe et mobile, la manette de commande dont il a été fait mention permettant de faire passer leur position relative entre une première position d'écartement et une seconde position de contact. Cette manette est en fait reliée au contact mobile par l'intermédiaire d'une serrure mécanique basée sur une genouillère comportant d'une part une biellette et d'autre part un assemblage pivotant à l'encontre de moyens de rappel. Cet assemblage comprend un porte-contact mobile et un déclencheur montés à rotation relative, le déclencheur coopérant par ailleurs avec au moins un actionneur apte à répercuter un défaut électrique sur la ligne. Il s'agit typiquement d'un actionneur magnétique permettant la détection de courts-circuits, et d'un actionneur thermique détectant les surcharges sur la ligne.This type of apparatus comprises at least one pair of respectively fixed and movable contacts, the control lever which has been mentioned to move their relative position between a first position of separation and a second position of contact. This lever is in fact connected to the movable contact via a mechanical lock based on a toggle comprising on the one hand a link and on the other hand a pivoting assembly against biasing means. This assembly comprises a movable contact carrier and a trigger mounted relative rotation, the trigger cooperating also with at least one actuator adapted to reflect an electrical fault on the line. It is typically a magnetic actuator for the detection of short circuits, and a thermal actuator detecting overloads on the line.

L'une des extrémités de la biellette de la genouillère est montée en rotation en périphérie de la manette, alors que l'autre extrémité se positionne en appui sur une excroissance du porte-contact contre laquelle elle est maintenue par un bec du déclencheur. Un équilibre biellette / déclencheur / porte-contact est alors mis en oeuvre. En cas de défaut sur la ligne, une action sur ledit déclencheur provoque sa rotation par rapport au porte-contact, et le basculement de la serrure sous l'effet des moyens de rappel par rupture de l'équilibre mentionné, rupture provoquant la libération de l'extrémité de la biellette au-delà de l'excroissance par rapport à l'axe de rotation de l'assemblage déclencheur /porte-contact. Des moyens de rappel liés à la manette rappellent ensuite la biellette et son extrémité libérée vers l'axe de rotation de ladite manette selon un trajet externe audit assemblage.One end of the link of the toggle is rotatably mounted at the periphery of the handle, while the other end is positioned in abutment on an outgrowth of the contact carrier against which it is held by a spout of the trigger. A link balance / trigger / contact carrier is then implemented. In the event of a fault on the line, an action on the said trigger causes it to rotate relative to the contact-holder, and the tilting of the lock under the effect of the return means by breaking the aforementioned equilibrium, rupture causing the release of the end of the rod beyond the protrusion relative to the axis of rotation of the trigger / contact carrier assembly. Reminder means linked to the handle then recall the rod and its end released towards the axis of rotation of said lever along a path external to said assembly.

L'action sur la manette dans le sens de la fermeture ou de l'ouverture des contacts respecte l'équilibre bielle / déclencheur / porte-contact. En d'autres termes, lorsque les contacts sont ouverts par action volontaire de l'utilisateur sur la manette, l'extrémité de la biellette conserve le même positionnement par rapport à l'assemblage déclencheur / porte-contact, et effectue un trajet respectant l'équilibre mentionné. Ce trajet est le même, mais en sens inverse, que celui qui est effectué lorsqu'il y a fermeture manuelle du produit. Au contraire, lorsque le produit est ouvert par une action sur le déclencheur, l'équilibre rompu conduisant à expulser l'extrémité de la biellette de l'assemblage déclencheur / porte-contact, l'extrémité en question de la biellette empreinte une trajectoire différente lorsque la manette revient vers sa position d'ouverture.The action on the handle in the direction of closing or opening the contacts respects the balance rod / trigger / contact holder. In other words, when the contacts are opened by deliberate action of the user on the handle, the end of the link retains the same position relative to the trigger / contact carrier assembly, and makes a path respecting the mentioned balance. This path is the same, but in the opposite direction, that which is performed when there is manual closing of the product. On the contrary, when the product is opened by an action on the trigger, the broken balance leading to expel the end of the rod of the trigger / contact assembly, the end in question of the rod footprint a different path when the handle returns to its open position.

C'est la différence de trajet qui est exploitée dans le cadre de l'invention, qui se caractérise à titre principal en ce que l'appareil électrique comporte un obstacle placé sur ledit trajet, bloquant l'ensemble biellette / manette en une position intermédiaire signalant le déclenchement de la serrure suite à un défaut électrique sur une ligne, ledit obstacle étant au moins partiellement escamotable et/ou déformable lorsque l'effort exercé sur la manette est supérieur à l'effort résultant des moyens de rappel de la manette.It is the path difference that is exploited in the context of the invention, which is mainly characterized in that the electrical apparatus comprises an obstacle placed on said path, blocking the rod / lever assembly in an intermediate position. signaling the triggering of the lock following an electrical fault on a line, said obstacle being at least partially retractable and / or deformable when the force exerted on the handle is greater than the force resulting from the return means of the joystick.

Cet obstacle n'agit que lorsque la trajectoire de la biellette est modifiée par rupture de l'équilibre, laissant inchangé le fonctionnement lors de l'opération d'armement, c'est-à-dire de fermeture des contacts. Le fonctionnement n'est pas davantage modifié lors d'une ouverture manuelle, ledit obstacle n'ayant pas d'effet lorsque la trajectoire de l'extrémité de la biellette est imposée par son état d'équilibre avec l'assemblage porte-contact / déclencheur. Le réarmement du produit consécutif à un défaut ne peut s'effectuer que suite à un acquittement, opéré de la manière suivante : il est nécessaire d'actionner manuellement la manette en position d'ouverture des contacts avant de pouvoir réarmer le produit. Le fait que l'obstacle soit au moins partiellement escamotable et/ou déformable est exploité au cours de cette opération d'acquittement, dans la mesure où l'on met en oeuvre un effort supérieur à celui qui provient du ressort de la manette, aboutissant à déplacer ou à déformer l'obstacle lors de l'action sur la manette visant à l'amener en position d'ouverture des contacts.This obstacle acts only when the trajectory of the link is changed by breaking the equilibrium, leaving unchanged the operation during the arming operation, that is to say closing the contacts. The operation is not further modified during manual opening, said obstacle having no effect when the trajectory of the end of the rod is imposed by its equilibrium state with the contact-holder assembly. trigger. The resetting of the product following a fault can only be carried out following an acknowledgment, operated in the following manner: it is necessary to manually operate the handle in the open position of the contacts before the product can be reset. The fact that the obstacle is at least partially retractable and / or deformable is exploited during this acknowledgment operation, insofar as it implements a greater effort than that which comes from the mainspring, resulting in to move or deform the obstacle during the action on the lever to bring it to the open position of the contacts.

Pour les professionnels, le fonctionnement est tout à fait similaire à celui qui caractérise les produits de la famille des boîtiers moulés, en général dévolus aux puissances supérieures, ce qui peut être considéré comme un avantage supplémentaire de l'invention puisque la connaissance de ce type de fonctionnement existe. Il est également à noter que, vu la conception de ce système, fonctionnant de manière totalement interne au produit, ce nouveau moyen d'indication est totalement insensible aux pollutions pouvant résulter de l'existence de poussière, de pollution liée à la coupure, etc.For professionals, the operation is quite similar to that which characterizes the products of the family of molded housings, generally devolving to higher powers, which can be considered as an additional advantage of the invention since the knowledge of this type of operation exists. It should also be noted that, considering the design of this system, operating completely internal to the product, this new means of indication is completely insensitive to pollution that may result from the existence of dust, pollution related to the cut, etc. .

En fait, selon une possibilité, au moins une partie dudit obstacle est prévue en matériau flexible pour que la rotation complète de la manette la déforme élastiquement au moyen de l'extrémité libérée de la biellette.In fact, according to one possibility, at least a portion of said obstacle is provided with a flexible material so that the complete rotation of the handle deforms it elastically by means of the released end of the link.

Plus précisément encore, l'obstacle peut comporter une protubérance s'étendant vers l'intérieur de la façade du boîtier de l'appareil dont dépasse la manette de commande, ou s'étendant vers l'intérieur d'une paroi s'orientant sensiblement parallèlement à ladite façade d'un élément de type flasque solidarisé au boîtier.More specifically, the obstacle may comprise a protuberance extending inwardly of the front of the housing of the apparatus which exceeds the control handle, or extending inwardly of a wall oriented substantially parallel to said front of a flange-type element secured to the housing.

Cette solution reflète la position de la serrure dans le boîtier de l'appareil électrique concerné par l'invention, au voisinage de ladite façade. L'obstacle selon l'invention peut dès lors être intégré soit à une pièce existante, prévue classiquement dans l'environnement de la serrure, par exemple de type flasque, enveloppe ou autre soit, mais ce n'est pas la solution préférentielle, directement au boîtier.This solution reflects the position of the lock in the housing of the electrical device concerned by the invention, in the vicinity of said facade. The obstacle according to the invention can therefore be integrated either with an existing part, conventionally provided in the environment of the lock, for example of the flange, envelope or other type, but this is not the preferential solution, directly to the case.

Dans cette hypothèse, la protubérance peut être constituée en un matériau flexible, et elle se déforme lorsque l'extrémité de la biellette est entrainée par la rotation manuelle de la manette en vue d'ouvrir les contacts de l'appareil.In this case, the protrusion may be made of a flexible material, and it deforms when the end of the link is driven by the manual rotation of the handle to open the contacts of the device.

Alternativement, la paroi s'orientant sensiblement parallèlement à la façade d'un élément de type flasque solidarisé au boîtier peut aussi être prévue flexible, au moins dans la zone de fixation de la protubérance.Alternatively, the wall oriented substantially parallel to the front of a flange-type element secured to the housing can also be provided flexible, at least in the fastening area of the protuberance.

Mais l'obstacle peut également comporter, en sus de la protubérance, l'excroissance du porte-contact avec lequel elle coopère pour former un obstacle plus complexe. Cette possibilité découle de la cinématique de l'ensemble, qui est telle que si la biellette est retenue en position intermédiaire à l'ouverture des contacts, le porte-contact se trouve lui-même sur le trajet de son extrémité, positionné en regard de la protubérance. L'opération d'acquittement pourrait alors aussi être mise en oeuvre en rendant l'excroissance du porte-contact flexible, et par conséquent déformable.But the obstacle may also include, in addition to the protrusion, the protrusion of the contact carrier with which it cooperates to form a more complex obstacle. This possibility arises from the kinematics of the assembly, which is such that if the rod is retained in the intermediate position at the opening of the contacts, the contact carrier is itself on the path of its end, positioned opposite the protuberance. The acknowledgment operation could then also be implemented by making the protrusion of the contact carrier flexible, and therefore deformable.

Par rapport à sa configuration traditionnelle en l'absence de dispositif de signalisation selon la présente invention, le bec du déclencheur peut comporter un évidement formant un dégagement pratiqué dans une portion susceptible d'interférer avec la protubérance constituant l'obstacle, au cours de leur mouvement relatif.With respect to its traditional configuration in the absence of a signaling device according to the present invention, the trigger tip may comprise a recess forming a clearance in a portion likely to interfere with the protrusion constituting the obstacle, during their relative motion.

Le trajet de l'extrémité de la biellette libérée par l'assemblage contact mobile / déclencheur reste en effet très proche des composants dudit assemblage, et il convient bien entendu que l'obstacle n'interfère pas avec ces derniers en fonctionnement normal.The path of the end of the rod released by the movable contact / trigger assembly is indeed very close to the components of said assembly, and it Of course, the obstacle does not interfere with the latter in normal operation.

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

  • la figure 1 représente, en vue perspective, un flasque recouvrant au moins partiellement la manette et la serrure mécanique de l'appareil électrique de l'invention, muni d'un obstacle selon la présente invention ;
  • la figure 2 montre, en vue perspective, un déclencheur modifié pour fonctionner selon la présente invention ;
  • les figures 3a et 3b montrent l'ensemble manette de commande / serrure mécanique au cours de l'opération de fermeture des contacts ;
  • la figure 4 représente, en vue en élévation, l'ensemble manette / serrure mécanique muni d'un flasque comportant l'obstacle de l'invention, et montrant le trajet de l'extrémité de la biellette lors de l'ouverture manuelle des contacts ; et
  • les figures 5a et 5b montrent, en vue en élévation, l'ouverture des contacts suite à l'apparition d'un défaut sur une ligne, libérant une extrémité de la biellette (figure 5a) qui vient heurter l'obstacle (figure 5b), immobilisant la manette en position intermédiaire de signalisation.
The invention will now be described in more detail, with reference to the figures, for which:
  • the figure 1 represents, in perspective view, a flange at least partially covering the handle and the mechanical lock of the electrical apparatus of the invention, provided with an obstacle according to the present invention;
  • the figure 2 shows, in perspective view, a trigger modified to operate according to the present invention;
  • the Figures 3a and 3b show the control lever / mechanical lock assembly during the closing operation of the contacts;
  • the figure 4 represents, in elevation view, the handle / mechanical lock assembly provided with a flange comprising the obstacle of the invention, and showing the path of the end of the link when the contacts are opened manually; and
  • the Figures 5a and 5b show, in elevation view, the opening of the contacts following the appearance of a defect on a line, releasing one end of the link ( figure 5a ) that hits the obstacle ( figure 5b ), immobilizing the handle in the intermediate signaling position.

En référence à la figure 1, la pièce montrée est un flasque (1) dotée d'une protubérance (2) formant l'obstacle qui est le coeur de l'invention, pièce qui se plaque contre une portion de la manette et de la serrure . L'utilisation de ce flasque (1) par rapport à la serrure d'un appareil électrique du type disjoncteur sera cependant mieux comprise en référence aux figures suivantes et en particulier aux figures 4 et 5b. Une telle serrure comporte à titre principal trois éléments, une biellette (3) et un assemblage déclencheur (4) / porte-contact (5) portant le contact mobile (6), l'ensemble formant de fait une genouillère. Le déclencheur (4) est visible en figure 2, présentant un évidement (14) formant dégagement permettant son libre déplacement par rapport à l'obstacle (2) mis en place sur le flasque (1). L'invention ne portant pas sur le fonctionnement de la serrure proprement dite, celui-ci ne sera pas détaillé dans la suite. Seuls les aspects / phases intéressants au sens de l'invention seront explicités. Ainsi, un tel dégagement (14) n'est par exemple pas nécessaire sur un déclencheur d'une serrure traditionnelle fonctionnant sans le système de l'invention.With reference to the figure 1 , the piece shown is a flange (1) with a protuberance (2) forming the obstacle which is the heart of the invention, a piece which is pressed against a portion of the handle and the lock. The use of this flange (1) relative to the lock of a circuit breaker-type electrical appliance will however be better understood with reference to the following figures and in particular to Figures 4 and 5b . Such lock mainly comprises three elements, a link (3) and a trigger assembly (4) / contact carrier (5) carrying the movable contact (6), the assembly forming a toggle. The trigger (4) is visible in figure 2 , having a recess (14) forming clearance for its free movement relative to the obstacle (2) placed on the flange (1). The invention does not relate to the operation of the lock itself, it will not be detailed in the following. Only aspects / phases of interest within the meaning of the invention will be explained. Thus, such a clearance (14) is for example not necessary on a trigger of a traditional lock operating without the system of the invention.

Dans la phase d'armement de l'appareil, aboutissant à la fermeture de la ligne électrique, et telle que représentée aux figures 3a et 3b, la manipulation de la manette dans la direction de la flèche F fait pivoter l'assemblage constitué du déclencheur (4) et du porte-contact (5) de telle sorte que le contact mobile (6) se rapproche du contact fixe (7) jusqu'à entrer en contact avec lui. Le fonctionnement est le suivant : la rotation de la manette (8) est répercutée à la biellette (3) dont l'extrémité (3a) est montée à rotation en périphérie du tambour (8a) de la manette (8), l'autre extrémité étant en appui contre une excroissance (9) du porte-contact (5), et maintenue en cette position par un bec (10) du déclencheur (4). Il s'agit là d'une position d'équilibre biellette (3) / déclencheur (4) / porte-contact (5) qui permet d'actionner la genouillère, soit de faire pivoter l'assemblage porte-contact (5) / déclencheur (4). Le début du mouvement apparaît en figure 3a, et la fin du mouvement est illustrée à la figure 3b. Dans ce cas, la ligne protégée est fermée, puisque les contacts respectivement mobile (6) et fixe (7) sont pressés l'un contre l'autre. Ces deux figures ne comportent pas le flasque 1 de la figure 1, qui vient en principe se plaquer contre elles et nuirait à la clarté de l'explication en masquant certaines parties de la serrure.In the arming phase of the device, resulting in the closing of the power line, and as represented in Figures 3a and 3b , the manipulation of the handle in the direction of the arrow F rotates the assembly consisting of the trigger (4) and the contact carrier (5) so that the movable contact (6) approaches the fixed contact (7) to enter in contact with him. The operation is as follows: the rotation of the handle (8) is echoed to the rod (3) whose end (3a) is rotatably mounted at the periphery of the drum (8a) of the handle (8), the other end being in abutment against an outgrowth (9) of the contact carrier (5), and held in this position by a spout (10) of the trigger (4). This is an equilibrium position link (3) / trigger (4) / contact holder (5) which allows to operate the toggle, or to rotate the assembly contact holder (5) / trigger (4). The beginning of the movement appears in figure 3a , and the end of the movement is illustrated in the figure 3b . In this case, the protected line is closed, since the respectively mobile (6) and fixed (7) contacts are pressed against each other. These two figures do not include the flange 1 of the figure 1 , which comes in principle to press against them and would damage the clarity of the explanation by hiding certain parts of the lock.

La représentation de ce flasque (1) est en revanche nécessaire pour l'explication qui correspond à la figure 4, dans laquelle la manipulation inverse est effectuée : la manette (8) est commandée de telle sorte que les contacts (6, 7) soient écartés l'un de l'autre, de manière à ouvrir la ligne. Dans ce cas, le trajet t suivi par l'extrémité (3b) de la biellette (3) est rigoureusement identique au déplacement correspondant à la fermeture des contacts tels qu'illustrés en figures 3a et 3b, mais en sens inverse. En d'autres termes, l'équilibre biellette (3) / déclencheur (4) / porte-contact (5) est conservé, le fonctionnement étant simplement inversé par rapport à la phase d'armement décrite auparavant. La protubérance (2) constituant l'obstacle mis en place selon l'invention n'interfère pas avec le trajet t, l'extrémité (3b) de la biellette (3) étant trop bas.The representation of this flange (1) is however necessary for the explanation which corresponds to the figure 4 , in which the reverse manipulation is performed: the handle (8) is controlled so that the contacts (6, 7) are spaced from each other, so as to open the line. In this case, the path t followed by the end (3b) of the rod (3) is strictly identical to the displacement corresponding to the closure of the contacts as illustrated in FIG. Figures 3a and 3b but in the opposite direction. In other words, the equilibrium link (3) / trigger (4) / contact carrier (5) is retained, the operation is simply reversed with respect to the arming phase described above. The protuberance (2) constituting the obstacle set up according to the invention does not interfere with the path t, the end (3b) of the rod (3) being too low.

Les choses ne se passent pas de la même manière lorsqu'un défaut survient sur la ligne, aboutissant à faire basculer la serrure, comme cela est illustré dans les figures 5a et 5b. Dans ce cas, un actionneur magnétique ou thermique (non représenté) exerce une action sur le déclencheur (4), ayant pour conséquence la rupture de l'équilibre biellette (3) / déclencheur (4) / porte-contact (5). La biellette (3), et en particulier son extrémité (3b) est éjectée vers le haut, comme cela apparaît en figure 5a. Le ressort de rappel du porte-contact (5) (non représenté) rappelle l'assemblage déclencheur (4) / porte-contact (5) en position contacts (6, 7) ouverts. De manière indépendante, des moyens de rappel (non visibles) attachés à la manette (8) tendent à rappeler l'ensemble manette (8) /biellette (3) en position contacts (6, 7) ouverts. Les moyens de rappel respectivement de l'assemblage porte-contact (5) / déclencheur (4) et de l'ensemble manette (8) / biellette (3) sont cependant prévus de telle sorte que leur vitesse de déplacement n'est pas la même. Il est en effet tout à fait fondamental que les contacts (6, 7) s'écartent à grande vitesse, alors que le retour de la manette (8)/ biellette (3) en position contacts ouverts n'a pas besoin d'être rapide. Leur retour s'effectue donc toujours après celui de l'assemblage déclencheur (4) / porte-contact (5).Things do not go the same way when a fault occurs on the line, resulting in the lock being flipped, as shown in the Figures 5a and 5b . In this case, a magnetic or thermal actuator (not shown) exerts an action on the trigger (4), resulting in the rupture of the equilibrium link (3) / trigger (4) / contact carrier (5). The rod (3), and in particular its end (3b) is ejected upwards, as appears in figure 5a . The contact carrier return spring (5) (not shown) recalls the trigger assembly (4) / contact carrier (5) in open contact position (6, 7). Independently, return means (not visible) attached to the handle (8) tend to recall the entire handle (8) / link (3) in the position contacts (6, 7) open. The return means respectively of the contact-holder assembly (5) / trigger (4) and of the handle (8) / rod (3) assembly, however, are provided in such a way that their speed of movement is not the same. even. It is indeed quite fundamental that the contacts (6, 7) deviate at a high speed, whereas the return of the handle (8) / link (3) in open contacts position does not need to be fast. Their return is therefore always after the trigger assembly (4) / contact carrier (5).

Compte tenu de l'éjection de l'extrémité (3b) et de la biellette (3) vers la façade, le trajet t' emprunté par cette dernière, situé un peu plus haut dans le boîtier, interfère avec la position de la protubérance (2) dépassant du flasque (1), comme cela apparaît en figure 5b. La rotation de la manette (8) est alors bloquée dans une position manifestement intermédiaire entre les deux positions d'extrémité contacts fermés (voir en figure 4a) et contacts ouverts (voir en figure 5a).Given the ejection of the end (3b) and the rod (3) to the front, the path taken by the latter, located a little higher in the housing, interferes with the position of the protuberance ( 2) protruding from the flange (1), as appears in figure 5b . The rotation of the handle (8) is then locked in an obviously intermediate position between the two closed contact end positions (see FIG. figure 4a ) and open contacts (see figure 5a ).

C'est ce positionnement particulier de la manette (8) dans la façade du produit qui indique que l'ouverture des contacts est survenue suite à un incident sur la ligne.It is this particular positioning of the lever (8) in the front of the product which indicates that the opening of the contacts has occurred following an incident on the line.

La protubérance (2) est prévue en un matériau flexible, de telle sorte que la manipulation de la manette (8) dans la direction de la flèche F' soit possible en fléchissant ladite protubérance (2), qui se déforme et laisse passer la biellette (3) en direction de l'assemblage déclencheur (4) / porte-contact (5), de telle sorte que l'extrémité (3b) s'insère entre le bec (10) et l'excroissance (9) pour retrouver sa place et reformer l'équilibre initial biellette (3) / déclencheur (4) /porte-contact (5).The protuberance (2) is provided in a flexible material, so that the manipulation of the handle (8) in the direction of the arrow F 'is possible by bending said protuberance (2), which deforms and lets the rod pass (3) in the direction of the trigger assembly (4) / contact carrier (5), so that the end (3b) is inserted between the spout (10) and the protrusion (9) to recover its place and reform the initial equilibrium link (3) / trigger (4) / contact carrier (5).

La figure 5b montre que l'extrémité (3b) est en réalité retenue par la protubérance (2) et l'excroissance (9), situées en regard l'une de l'autre : on pourrait très bien envisager que la déformation de l'obstacle qu'elles constituent ensemble soit pris en charge par ladite excroissance (9), alors prévue en matériau déformable élastiquement, ou encore par la protubérance (2) et l'excroissance (9) ensemble.The figure 5b shows that the end (3b) is actually retained by the protuberance (2) and the protrusion (9), located opposite one another: we could very well consider that the deformation of the obstacle that they together constitute either supported by said protrusion (9), then provided elastically deformable material, or by the protuberance (2) and the protrusion (9) together.

Cette opération d'acquittement, aboutissant à remettre le produit en position manuelle d'ouverture des contacts (6, 7) réinitialise en quelque sorte le produit, qui peut à nouveau être réarmé de manière à refermer la ligne.This acknowledgment operation, resulting in putting the product in the manual position of opening the contacts (6, 7) somehow resets the product, which can again be reset so as to close the line.

Claims (8)

Appareil électrique de protection de ligne du type disjoncteur comportant au moins une paire de contacts respectivement fixe (7) et mobile (6), une manette de commande (8) desdits contacts (6, 7) entre une première position d'écartement et une seconde position de contact, ladite manette (8) étant reliée au contact mobile (6) par l'intermédiaire d'une serrure mécanique basée sur une genouillère comportant d'une part une biellette (3) et d'autre part un assemblage pivotant à l'encontre de moyens de rappel et comprenant un porte-contact (5) mobile et un déclencheur (4) montés à rotation relative, le déclencheur (4) coopérant avec au moins un actionneur apte à répercuter un défaut électrique sur la ligne, l'une des extrémités (3a) de la biellette (3) étant montée à rotation en périphérie de la manette (8) et l'autre extrémité (3b) se positionnant en équilibre en appui contre une excroissance (9) du porte-contact (5) et maintenue par un bec (10) du déclencheur (4), une action sur le déclencheur (4) provoquant sa rotation par rapport au porte-contact (5) et le basculement de la serrure sous l'effet desdits moyens de rappel par rupture de dudit équilibre, provoquant la libération de l'extrémité (3b) de la biellette (3) au delà de l'excroissance (9) par rapport à l'axe de rotation de l'assemblage déclencheur (4) / porte-contact (5), des moyens de rappel liés à la manette (8) ramenant ladite biellette (3) et son extrémité libérée (3b) vers l'axe de rotation de la manette (8) selon un trajet externe audit assemblage, caractérisé en ce qu'il comporte un obstacle (2) placé sur ledit trajet, bloquant l'ensemble biellette (3) / manette (8) en une position intermédiaire signalant le déclenchement de la serrure suite à un défaut électrique sur une ligne, ledit obstacle (2) étant au moins partiellement escamotable et/ou déformable lorsque l'effort exercé sur la manette (8) est supérieur à l'effort résultant des moyens de rappel de la manette (8).Electrical circuit protection device of the circuit-breaker type comprising at least one pair of respectively fixed (7) and movable (6) contacts, a control handle (8) of said contacts (6, 7) between a first position of separation and a second contact position, said handle (8) being connected to the movable contact (6) via a mechanical lock based on a toggle joint comprising on the one hand a link (3) and on the other hand a pivoting assembly to against return means and comprising a movable contact carrier (5) and a trigger (4) mounted relative rotation, the trigger (4) cooperating with at least one actuator adapted to reflect an electrical fault on the line, one of the ends (3a) of the link (3) being rotatably mounted at the periphery of the handle (8) and the other end (3b) being positioned in equilibrium against a protrusion (9) of the contact carrier ( 5) and held by a spout (10) of the trigger (4), an action on the trigger (4) causing its rotation relative to the contact carrier (5) and the tilting of the lock under the effect of said biasing means by breaking said balance, causing the release of the end (3b) of the link (3) beyond the protuberance (9) relative to the axis of rotation of the trigger assembly (4) / contact carrier (5), return means connected to the handle (8) returning said link (3) and its released end (3b) towards the axis of rotation of the handle (8) along a path external to said assembly, characterized in that it comprises an obstacle (2) placed on said path, blocking the link assembly (3) / handle (8) in an intermediate position signaling the triggering of the lock due to an electrical fault on a line, said obstacle (2) being at least partially retractable and / or deformable when the force exerted on the lever (8) is greater than the effort resulting from the means of rap pel of the joystick (8). Appareil électrique de protection de ligne selon la revendication précédente, caractérisé en ce qu'au moins une partie dudit obstacle (2) est prévu en matériau flexible pour que la rotation complète de la manette (8) la déforme élastiquement au moyen de l'extrémité (3b) libérée de la biellette (3).Electrical line protection device according to the preceding claim, characterized in that at least part of said obstacle (2) is provided with a flexible material so that the complete rotation of the handle (8) deforms it elastically by means of the end (3b) released from the link (3). Appareil électrique de protection de ligne selon la revendication précédente, caractérisé en ce que l'obstacle comporte une protubérance (2) s'étendant vers l'intérieur de la façade du boîtier de l'appareil dont dépasse la manette de commande (8), ou s'étendant vers l'intérieur d'une paroi s'orientant sensiblement parallèlement à ladite façade d'un élément de type flasque (1) solidarisé au boîtier.Electrical line protection device according to the preceding claim, characterized in that the obstacle comprises a protuberance (2) extending inwardly of the front of the housing of the apparatus beyond which the control handle (8) extends, or extending inwardly of a wall oriented substantially parallel to said front panel; a flange-type element (1) secured to the housing. Appareil électrique de protection de ligne selon la revendication précédente, caractérisé en ce que la protubérance (2) est constituée en un matériau flexible.Electrical line protection device according to the preceding claim, characterized in that the protuberance (2) consists of a flexible material. Appareil électrique de protection de ligne selon l'une des revendications 3 et 4, caractérisé en ce que la paroi s'orientant sensiblement parallèlement à la façade d'un élément de type flasque (1) solidarisé au boîtier est flexible au moins dans la zone de fixation de la protubérance (2).Electrical line protection device according to one of claims 3 and 4, characterized in that the wall oriented substantially parallel to the front of a flange-type element (1) secured to the housing is flexible at least in the area fastening the protuberance (2). Appareil électrique de protection de ligne selon l'une des revendications 3 à 5, caractérisé en ce que l'obstacle comporte la protubérance (2) coopérant avec l'excroissance (9) du porte-contact (5).Electrical line protection device according to one of claims 3 to 5, characterized in that the obstacle comprises the protuberance (2) cooperating with the protrusion (9) of the contact carrier (5). Appareil électrique de protection de ligne selon la revendication précédente, caractérisé en ce que l'excroissance (9) du porte-contact (5) est flexible.Electrical line protection device according to the preceding claim, characterized in that the protrusion (9) of the contact carrier (5) is flexible. Appareil électrique de protection de ligne selon l'une des revendications 3 à 7, caractérisé en ce que le bec (10) du déclencheur (4) comporte un évidement (14) formant un dégagement pratiqué dans une portion susceptible d'interférer avec la protubérance (2), au cours de leur mouvement relatif.Electrical line protection device according to one of claims 3 to 7, characterized in that the spout (10) of the release (4) has a recess (14) forming a clearance in a portion that may interfere with the protuberance (2), during their relative movement.
EP12305477.7A 2011-04-29 2012-04-27 Fault trip indicator by the position of the handle Active EP2518752B1 (en)

Applications Claiming Priority (1)

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FR1101340A FR2974664B1 (en) 2011-04-29 2011-04-29 FAULT TRIP INDICATOR BY THE POSITION OF THE KNOB

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Cited By (3)

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CN103346047A (en) * 2013-05-30 2013-10-09 浙江天正电气股份有限公司 Miniature circuit breaker with failure tripping indicating device
CN103413732A (en) * 2013-08-29 2013-11-27 温州罗格朗电器有限公司 Operating mechanism of breaker
CN104733253A (en) * 2015-03-23 2015-06-24 厦门宏发开关设备有限公司 Switch disconnector with three-color display function

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
CN110970274B (en) * 2019-12-23 2022-03-08 国网江苏省电力有限公司滨海县供电分公司 Small-sized circuit breaker

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US2828388A (en) * 1955-11-02 1958-03-25 Fed Pacific Electric Co Circuit breakers
US3183325A (en) * 1961-05-03 1965-05-11 Fed Pacific Electric Co Trip indicating circuit breakers
EP0338930A1 (en) * 1988-04-22 1989-10-25 Hager Electro S.A. Circuit breakers or differential circuit breakers
EP0352679A2 (en) * 1988-07-27 1990-01-31 Asea Brown Boveri Aktiengesellschaft Electrical switchgear
EP0408466A2 (en) * 1989-07-11 1991-01-16 Merlin Gerin Operating mechanism for an electric switch

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US2828388A (en) * 1955-11-02 1958-03-25 Fed Pacific Electric Co Circuit breakers
US3183325A (en) * 1961-05-03 1965-05-11 Fed Pacific Electric Co Trip indicating circuit breakers
EP0338930A1 (en) * 1988-04-22 1989-10-25 Hager Electro S.A. Circuit breakers or differential circuit breakers
EP0352679A2 (en) * 1988-07-27 1990-01-31 Asea Brown Boveri Aktiengesellschaft Electrical switchgear
EP0408466A2 (en) * 1989-07-11 1991-01-16 Merlin Gerin Operating mechanism for an electric switch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103346047A (en) * 2013-05-30 2013-10-09 浙江天正电气股份有限公司 Miniature circuit breaker with failure tripping indicating device
CN103346047B (en) * 2013-05-30 2016-03-30 浙江天正电气股份有限公司 A kind of miniature circuit breaker of tape jam tripping indicating device
CN103413732A (en) * 2013-08-29 2013-11-27 温州罗格朗电器有限公司 Operating mechanism of breaker
CN104733253A (en) * 2015-03-23 2015-06-24 厦门宏发开关设备有限公司 Switch disconnector with three-color display function

Also Published As

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FR2974664B1 (en) 2013-12-20
FR2974664A1 (en) 2012-11-02
EP2518752B1 (en) 2016-09-28

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