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EP2200065A1 - Electromagnetic release device for line protection switch with at least two protected poles - Google Patents

Electromagnetic release device for line protection switch with at least two protected poles Download PDF

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Publication number
EP2200065A1
EP2200065A1 EP09306313A EP09306313A EP2200065A1 EP 2200065 A1 EP2200065 A1 EP 2200065A1 EP 09306313 A EP09306313 A EP 09306313A EP 09306313 A EP09306313 A EP 09306313A EP 2200065 A1 EP2200065 A1 EP 2200065A1
Authority
EP
European Patent Office
Prior art keywords
coils
magnetic
cores
yoke
tripping device
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
EP09306313A
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German (de)
French (fr)
Other versions
EP2200065B1 (en
Inventor
Kamel Berrouba
Denis Herbrech
Denis Kuhn
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.)
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Publication date
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Priority to PL09306313T priority Critical patent/PL2200065T3/en
Publication of EP2200065A1 publication Critical patent/EP2200065A1/en
Application granted granted Critical
Publication of EP2200065B1 publication Critical patent/EP2200065B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/28—Electromagnetic mechanisms with windings acting in conjunction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures

Definitions

  • the present invention relates to a magnetic tripping device for electric line protection apparatus with at least two protected poles.
  • the separation pitch of the connectors is equal to or is a multiple of a distance substantially equal to 18 mm.
  • This step is found in practice between the tabs of the bridge bar, and is also the width of the devices.
  • the numerical value mentioned above is in fact the width assigned to what is called a "module", and therefore for example the width of a unipolar or bipolar housing.
  • the double protection implies in particular the existence of two magnetic tripping devices, one per line.
  • the volume available in the housing being determined by the modular width, which is not a variable parameter for the reasons given above, it is necessary in particular to work on the dimensions of said magnetic devices so that they can be integrated together in the housings .
  • the object of the invention is to optimize the size of these triggering devices, for example and if possible by pooling their components, in order to first lead to a limitation of the space they occupy, and then if possible to a cost reduction.
  • the mutualization of the striker makes it possible to adopt configurations occupying a smaller volume than if two independent magnetic devices each equipped with a striker were used.
  • the magnetic tripping device of the invention comprises two parallel coils whose moving cores extend on one side, a striker being placed between the two coils and driven by each movable core towards the lock mechanism.
  • both coils must be integrable in the width of the unimodular space, they must have transverse dimensions accordingly. However, it is also possible to provide one on the other, according to the relative arrangement of other components in the available volume.
  • the firing pin can then for example comprise two lateral fins that can slide in axial housings portions of the moving cores protruding from the coils, the length of said housings being at least equal to the axial displacement of the movable cores, return means being provided to bring the firing pin and the moving cores in their initial position in the absence of current in the coils.
  • the mechanical system for coupling mobile cores must allow differentiated management according to whether one or the other of the coils, corresponding to two distinct protected lines, has a current that is too high. This configuration allows the mobile nucleus solicited to drive only the firing pin, the other core remaining stationary.
  • the return means may consist, for each mobile core, of a torsion spring with a spiral central portion and two end branches respectively resting on the magnetic yoke and in the housing of the movable core.
  • a portion of the breech may be arranged parallel to and between the coils, which mutualize since a channeling portion of the magnetic flux.
  • a portion of the yoke may be arranged perpendicular to the coils: even if there is no mutualisation of said portion in the functional sense in the magnetic circuit, there is simplification in the manufacture of said cylinder head.
  • two homologous assemblies each consisting of a coil (21, 22), a yoke (23, 24) and a movable magnetic core (25, 26) cooperate with a single striker (27).
  • Reminder means under torsion spring form (28, 29) can recall each movable core (25, 26) in the rest position in the absence of current in the coils.
  • the striker (27) has a first elongated portion (30) oriented parallel to the direction of its displacement and two rear fins (31, 32) of a shape perpendicular to the portion (30) provided to cooperate with windows ( 33, 34) made in the moving cores (25, 26).
  • the elongated portion (30) is able to move in a space between the two sets described above.
  • Each of the torsion springs (28, 29) has a first end leg resting on a portion of the magnetic yoke, and a second end leg resting in the windows (33, 34), more precisely against the walls. "Rear" of these windows (33, 34) relative to the direction of displacement of the cores (25, 26) in case of occurrence of current in the coils (21, 22).
  • the movable core (25, 26) that is not attracted remains stationary, the window (33, 34) having a dimension - in the direction of displacement - sufficient for the moving core (25, 26) to move abutting, the fin (31, 32) housed in the window (33, 34) of the movable core (26, 25) which remains fixed does not abut at the other end of said window (33, 34 ).
  • the shape of each window ((33, 34) results in particular very clearly from the figure 3 .
  • the return means (28, 29) urge the firing pin (27), and consequently the cores (25, 26), towards the initial rest position.
  • Schematic representations of the figure 4 show combinations of bobbins (51, 52; 51 ', 52') with shared yoke portions (53; 53 ') (53) or even pooled for the portion parallel to the axis of the coils of the cylinder head (53 '). This mutualization is of course only possible within the limits imposed by the operation described above (existence of windows for the striker, etc ).
  • the invention is not limited to the configurations as illustrated above, but it also includes in particular the form variants referred to in the description.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Breakers (AREA)

Abstract

The device has a magnetic sub-assembly including a parallel coil (21) and another parallel coil enclosing corresponding movable magnetic cores (25, 26) in a direction of an axis of the coils. The sub-assembly has magnetic yokes (23, 24), and a unique striker (27) that is driven by each core towards a contact opening and closing lock mechanism. Return units i.e. torsion springs, return the corresponding cores to their initial positions in the absence of current in the coils. A portion of each magnetic yoke is arranged parallel to and between the coils.

Description

La présente invention concerne un dispositif de déclenchement magnétique pour appareil électrique de protection de ligne à au moins deux pôles protégés.The present invention relates to a magnetic tripping device for electric line protection apparatus with at least two protected poles.

Ces appareils sont prévus pour être montés sur un rail accolés à d'autres appareils électriques du même type pour constituer un circuit de distribution électrique. Dans cette hypothèse, leur connexion au circuit, en pratique à une phase ou au neutre, est souvent réalisée de manière groupée à l'aide de barres de pontage rigides présentant des languettes de connexion régulièrement espacées, prévues pour être introduites dans les connecteurs des différents appareils disposés adjacents sur le rail.These devices are intended to be mounted on a rail contiguous to other electrical appliances of the same type to form an electrical distribution circuit. In this case, their connection to the circuit, in practice at a phase or in the neutral, is often done in a grouped manner by means of rigid bridging bars having regularly spaced connection tongues, intended to be introduced into the connectors of the different devices arranged adjacent to the rail.

L'utilisation d'un tel accessoire de distribution impose bien entendu la distance séparant les connecteurs des appareils électriques, qui détermine à son tour la largeur des boîtiers.The use of such a dispensing accessory naturally imposes the distance separating the connectors of the electrical appliances, which in turn determines the width of the housings.

Dans le cas des appareils dits modulaires, le pas de séparation des connecteurs est égal ou est un multiple d'une distance sensiblement égale à 18 mm. Ce pas se retrouve en pratique entre les languettes de la barre de pontage, et constitue aussi la largeur des appareils. La valeur numérique mentionnée ci-dessus constitue en fait la largeur attribuée à ce qu'il est convenu d'appeler un "module", et donc par exemple la largeur d'un boîtier unipolaire ou bipolaire.In the case of so-called modular devices, the separation pitch of the connectors is equal to or is a multiple of a distance substantially equal to 18 mm. This step is found in practice between the tabs of the bridge bar, and is also the width of the devices. The numerical value mentioned above is in fact the width assigned to what is called a "module", and therefore for example the width of a unipolar or bipolar housing.

Lorsqu'un dispositif comporte par exemple deux pôles dans un même module, et que chacun de ces pôles est protégé, la double protection implique notamment l'existence de deux dispositifs de déclenchement magnétique, un par ligne. Le volume disponible dans le boîtier étant déterminé par la largeur modulaire, qui ne constitue pas un paramètre variable pour les raisons invoquées ci-dessus, il faut en particulier travailler sur les dimensions desdits dispositifs magnétiques pour qu'ils puissent être intégrés ensemble dans les boîtiers.When a device comprises for example two poles in the same module, and each of these poles is protected, the double protection implies in particular the existence of two magnetic tripping devices, one per line. The volume available in the housing being determined by the modular width, which is not a variable parameter for the reasons given above, it is necessary in particular to work on the dimensions of said magnetic devices so that they can be integrated together in the housings .

Le but de l'invention est d'optimiser l'encombrement de ces dispositifs de déclenchement, par exemple et si possible en mutualisant leurs composants, afin d'aboutir d'abord à une limitation de l'espace qu'ils occupent, et ensuite si possible à une réduction de coût.The object of the invention is to optimize the size of these triggering devices, for example and if possible by pooling their components, in order to first lead to a limitation of the space they occupy, and then if possible to a cost reduction.

En pratique, et plus précisément, le dispositif de déclenchement magnétique de l'invention s'applique à des appareils comportant :

  • n (n ≥ 2) paires de contacts respectivement fixe et mobile ;
  • un mécanisme à serrure d'ouverture et de fermeture des contacts coopérant avec une manette de commande ;
  • un sous-ensemble magnétique à au moins une culasse et bobines apte à faire basculer le mécanisme à serrure en vue de l'ouverture des contacts en cas d'élévation brutale du courant ; et
  • des dispositifs de raccordement d'entrée et de sortie de l'appareil électrique à n lignes.
In practice, and more specifically, the magnetic tripping device of the invention applies to devices comprising:
  • n (n ≥ 2) pairs of contacts respectively fixed and mobile;
  • a lock mechanism for opening and closing the contacts cooperating with a control handle;
  • a magnetic subassembly with at least one yoke and coils adapted to tilt the lock mechanism for opening the contacts in case of sudden rise in current; and
  • input and output connection devices of the n-line electrical apparatus.

L'invention se caractérise à titre principal en ce que le sous-ensemble magnétique comporte :

  • n bobines parallèles entourant chacune un noyau mobile dans la direction de l'axe des bobines ;
  • un unique percuteur entraîné par chacun des noyaux ; et
  • des moyens de rappel de chaque noyau mobile en position initiale en l'absence de courant dans les bobines.
The main feature of the invention is that the magnetic subassembly comprises:
  • n parallel coils each surrounding a movable core in the direction of the axis of the coils;
  • a single firing pin driven by each of the cores; and
  • return means of each mobile core in the initial position in the absence of current in the coils.

L'une des difficultés résolue, dans le cadre de l'invention, réside dans la gestion optimisée d'un espace réduit, par exemple dans le cas d'un boîtier unimodulaire utilisé pour un appareil bipolaire à deux pôles protégés, nécessitant dès lors l'implantation d'un dispositif de déclenchement magnétique à deux bobines.One of the difficulties solved in the context of the invention lies in the optimized management of a small space, for example in the case of a unimodular housing used for a bipolar device with two protected poles, therefore requiring the implantation of a magnetic tripping device with two coils.

La mutualisation du percuteur permet d'adopter des configurations occupant un volume plus réduit que si deux dispositifs magnétiques indépendants dotés chacun d'un percuteur étaient utilisés.The mutualization of the striker makes it possible to adopt configurations occupying a smaller volume than if two independent magnetic devices each equipped with a striker were used.

Secondairement, il est possible de recourir à d'autres mutualisations également synonymes de gain d'espace. Ainsi, selon l'invention, on peut prévoir qu'au moins une portion de la culasse magnétique soit commune aux bobines, comme cela sera expliqué par la suite.Secondarily, it is possible to use other mutualizations also synonymous with space saving. Thus, according to the invention, it can be provided that at least a portion of the magnetic yoke is common to the coils, as will be explained later.

Selon une possibilité, le dispositif de déclenchement magnétique de l'invention comporte deux bobines parallèles dont dépassent d'un côté les noyaux mobiles, un percuteur étant placé entre les deux bobines et entraîné par chaque noyau mobile vers le mécanisme à serrure.According to one possibility, the magnetic tripping device of the invention comprises two parallel coils whose moving cores extend on one side, a striker being placed between the two coils and driven by each movable core towards the lock mechanism.

Les deux bobines devant notamment être intégrables dans la largeur de l'espace unimodulaire, elles doivent avoir des dimensions transversales en conséquence. Il est cependant également possible de les prévoir l'une sur l'autre, selon l'agencement relatif des autres composants dans le volume disponible.Since both coils must be integrable in the width of the unimodular space, they must have transverse dimensions accordingly. However, it is also possible to provide one on the other, according to the relative arrangement of other components in the available volume.

Le percuteur peut alors par exemple comporter deux ailerons latéraux pouvant coulisser dans des logements axiaux des portions des noyaux mobiles dépassant des bobines, la longueur desdits logements étant au moins égale au déplacement axial des noyaux mobiles, des moyens de rappel étant prévus pour ramener le percuteur et les noyaux mobiles en position initiale en l'absence de courant dans les bobines.The firing pin can then for example comprise two lateral fins that can slide in axial housings portions of the moving cores protruding from the coils, the length of said housings being at least equal to the axial displacement of the movable cores, return means being provided to bring the firing pin and the moving cores in their initial position in the absence of current in the coils.

Le système mécanique de couplage des noyaux mobiles doit permettre une gestion différenciée selon que l'une ou l'autre des bobines, correspondant à deux lignes protégées distinctes, présente un courant trop élevé. Cette configuration permet au noyau mobile sollicité de n'entraîner que le percuteur, l'autre noyau restant immobile.The mechanical system for coupling mobile cores must allow differentiated management according to whether one or the other of the coils, corresponding to two distinct protected lines, has a current that is too high. This configuration allows the mobile nucleus solicited to drive only the firing pin, the other core remaining stationary.

Plus précisément, les moyens de rappel peuvent consister, pour chaque noyau mobile, en un ressort de torsion à portion centrale spiralée et deux branches d'extrémité respectivement en appui sur la culasse magnétique et dans le logement du noyau mobile.More precisely, the return means may consist, for each mobile core, of a torsion spring with a spiral central portion and two end branches respectively resting on the magnetic yoke and in the housing of the movable core.

Selon une possibilité préférentielle, toujours dans l'optique d'un gain de place et /ou d'un gain économique par mutualisation et comme mentionné auparavant, une portion de la culasse peut être disposée parallèle aux et entre les bobines, qui mutualisent dès lors une portion de canalisation du flux magnétique. Alternativement ou additionnellement, une portion de la culasse peut être disposée perpendiculaire aux bobines : même s'il n'y a pas alors mutualisation de ladite portion au sens fonctionnel dans le circuit magnétique, il y a simplification dans la fabrication de ladite culasse.According to a preferential possibility, always with a view to gaining space and / or economic gain by pooling and as mentioned before, a portion of the breech may be arranged parallel to and between the coils, which mutualize since a channeling portion of the magnetic flux. Alternatively or additionally, a portion of the yoke may be arranged perpendicular to the coils: even if there is no mutualisation of said portion in the functional sense in the magnetic circuit, there is simplification in the manufacture of said cylinder head.

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

  • la figure 1 montre, en vue perspective, une configuration de l'invention à deux bobines parallèles ;
  • la figure 2 représente une vue coupée longitudinalement de la configuration de la figure précédente ;
  • la figure 3 montre un des deux ensembles homologues constituant la configuration à deux bobines des figures 1 et 2 ;
  • la figure 4 schématise des configurations à deux bobines parallèles partageant des portions de la culasse magnétique.
The invention will now be described in more detail, with reference to the appended figures, for which:
  • the figure 1 shows, in perspective view, a configuration of the invention with two parallel coils;
  • the figure 2 represents a cutaway view longitudinally of the configuration of the previous figure;
  • the figure 3 shows one of two homologous sets constituting the two-coil configuration of Figures 1 and 2 ;
  • the figure 4 schematizes configurations with two parallel coils sharing portions of the magnetic yoke.

En référence à la figure 1, deux ensembles homologues constitués chacun par une bobine (21, 22), une culasse (23, 24) et un noyau magnétique mobile (25, 26) coopèrent avec un unique percuteur (27). Des moyens de rappel sous forme de ressorts de torsion (28, 29) permettent de rappeler chaque noyau mobile (25, 26) en position de repos en l'absence de courant dans les bobines.With reference to the figure 1 , two homologous assemblies each consisting of a coil (21, 22), a yoke (23, 24) and a movable magnetic core (25, 26) cooperate with a single striker (27). Reminder means under torsion spring form (28, 29) can recall each movable core (25, 26) in the rest position in the absence of current in the coils.

En fait, le percuteur (27) comporte une première portion allongée (30) orientée parallèlement à la direction de son déplacement et deux ailerons arrières (31, 32) d'allure perpendiculaire à la portion (30) prévus pour coopérer avec des fenêtres (33, 34) pratiquées dans les noyaux mobiles (25, 26). La portion allongée (30) est apte à se déplacer dans un espace ménagé entre les deux ensembles décrits ci-dessus.In fact, the striker (27) has a first elongated portion (30) oriented parallel to the direction of its displacement and two rear fins (31, 32) of a shape perpendicular to the portion (30) provided to cooperate with windows ( 33, 34) made in the moving cores (25, 26). The elongated portion (30) is able to move in a space between the two sets described above.

Chacun des ressorts de torsion (28, 29) comporte une première branche d'extrémité en appui sur une portion de la culasse magnétique, et une seconde branche d'extrémité en appui dans les fenêtres (33, 34), plus précisément contre les parois « arrières » de ces fenêtres (33, 34) par rapport au sens du déplacement des noyaux (25, 26) en cas d'apparition de courant dans les bobines (21, 22).Each of the torsion springs (28, 29) has a first end leg resting on a portion of the magnetic yoke, and a second end leg resting in the windows (33, 34), more precisely against the walls. "Rear" of these windows (33, 34) relative to the direction of displacement of the cores (25, 26) in case of occurrence of current in the coils (21, 22).

Le fonctionnement est le suivant : au repos, les positions relatives des composants mobiles sont celles qui apparaissent aux figures 1 et 2. En cas de courant dans une bobine (21 ou 22), le noyau mobile correspondant (25 ou 26) est attiré vers la gauche des figures et, comme les ailerons (31, 32) sont en butée à droite dans leurs fenêtres (33, 34), le percuteur (27) se déplace et peut faire déclencher l'appareil muni d'un tel moteur électromagnétique. Le noyau mobile (25, 26) qui n'est pas attiré reste immobile, la fenêtre (33, 34) ayant une dimension - dans la direction du déplacement - suffisante pour que, lorsque le noyau mobile (25, 26) qui se déplace arrive en butée, l'aileron (31, 32) logée dans la fenêtre (33, 34) du noyau mobile (26, 25) qui reste fixe n'arrive pas en butée à l'autre extrémité de ladite fenêtre (33, 34). La forme de chaque fenêtre ((33, 34) résulte en particulier très clairement de la figure 3. Les moyens de rappel (28, 29) sollicitent le percuteur (27), et par conséquent les noyaux (25, 26), vers la position initiale de repos.The operation is as follows: at rest, the relative positions of the moving components are those which appear at Figures 1 and 2 . In case of current in a coil (21 or 22), the corresponding movable core (25 or 26) is attracted to the left of the figures and, as the fins (31, 32) are in abutment on the right in their windows (33, 34), the striker (27) moves and can trigger the apparatus provided with such an electromagnetic motor. The movable core (25, 26) that is not attracted remains stationary, the window (33, 34) having a dimension - in the direction of displacement - sufficient for the moving core (25, 26) to move abutting, the fin (31, 32) housed in the window (33, 34) of the movable core (26, 25) which remains fixed does not abut at the other end of said window (33, 34 ). The shape of each window ((33, 34) results in particular very clearly from the figure 3 . The return means (28, 29) urge the firing pin (27), and consequently the cores (25, 26), towards the initial rest position.

Les représentations schématiques de la figure 4 montrent des associations de bobines (51, 52 ; 51', 52') avec des portions de culasses (53 ; 53') partagée (53) voire mutualisée pour la portion parallèle à l'axe des bobines de la culasse (53'). Cette mutualisation n'est bien entendu possible que dans les limites imposées par le fonctionnement décrit ci-dessus (existence de fenêtres pour le percuteur, etc...).Schematic representations of the figure 4 show combinations of bobbins (51, 52; 51 ', 52') with shared yoke portions (53; 53 ') (53) or even pooled for the portion parallel to the axis of the coils of the cylinder head (53 '). This mutualization is of course only possible within the limits imposed by the operation described above (existence of windows for the striker, etc ...).

L'invention ne se limite pas aux configurations telles qu'illustrées ci-dessus, mais elle englobe notamment également les variantes de forme dont il est fait référence dans la description.The invention is not limited to the configurations as illustrated above, but it also includes in particular the form variants referred to in the description.

Claims (7)

Dispositif de déclenchement magnétique pour appareil électrique de protection de ligne à au moins deux pôles protégés comportant dans un boîtier isolant : - n (n ≥ 2) paires de contacts respectivement fixe et mobile ; - un mécanisme à serrure d'ouverture et de fermeture des contacts coopérant avec une manette de commande ; - un sous-ensemble magnétique à au moins une culasse (23, 24 ; 53, 53') et bobines (21, 22 ; 51, 52 ; 51', 52') apte à faire basculer le mécanisme à serrure en vue de l'ouverture des contacts en cas d'élévation brutale du courant ; et - des dispositifs de raccordement d'entrée et de sortie de l'appareil électrique à n lignes, caractérisé en ce que le sous-ensemble magnétique comporte : - n bobines (21, 22 ; 51, 52 ; 51', 52') parallèles entourant chacune un noyau mobile (25, 26) dans la direction de l'axe des bobines (21, 22 ; 51, 52 ; 51', 52') ; - un unique percuteur (27) entraîné par chacun des noyaux (25, 26) ; et - des moyens de rappel (28, 29) de chaque noyau mobile (25, 26) en position initiale en l'absence de courant dans les bobines (21, 22 ; 51, 52 ; 51', 52'). Magnetic tripping device for electrical line protection apparatus with at least two protected poles comprising in an insulating housing: n (n ≥ 2) pairs of contacts respectively fixed and mobile; - A lock mechanism for opening and closing the contacts cooperating with a control handle; - a magnetic subassembly with at least one yoke (23, 24; 53, 53 ') and coils (21, 22; 51, 52; 51', 52 ') adapted to tilt the lock mechanism for the purpose of opening of the contacts in case of sudden rise of the current; and - input and output connection devices of the electrical appliance with n lines, characterized in that the magnetic subassembly comprises: n parallel coils (21,22; 51,52; 51 ', 52') each surrounding a movable core (25,26) in the direction of the axis of the coils (21,22; 51,52; 51 '; 52 '); - a single striker (27) driven by each of the cores (25, 26); and - return means (28, 29) of each movable core (25, 26) in the initial position in the absence of current in the coils (21, 22; 51, 52; 51 ', 52'). Dispositif de déclenchement magnétique selon la revendication 1, caractérisé en ce qu'il comporte deux bobines parallèles (21, 22) dont dépassent d'un côté les noyaux mobiles (25, 26), un percuteur (27) étant placé entre les deux bobines (21, 22) et entraîné par chaque noyau mobile (25, 26) vers le mécanisme à serrure.Magnetic tripping device according to claim 1, characterized in that it comprises two parallel coils (21, 22), the mobile cores (25, 26) protruding on one side, a striker (27) being placed between the two coils (21, 22) and driven by each movable core (25, 26) to the lock mechanism. Dispositif de déclenchement magnétique selon la revendication précédente, caractérisé en ce que le percuteur (27) comporte deux ailerons latéraux (31, 32) pouvant coulisser dans des logements axiaux (33, 34) des portions des noyaux mobiles (25, 26) dépassant des bobines (21, 22), la longueur desdits logements (33, 34) étant au moins égale au déplacement axial des noyaux mobiles (25, 26), des moyens de rappel (28, 29) étant prévus pour ramener le percuteur (27) et les noyaux mobiles (25, 26) en position initiale en l'absence de courant dans les bobines (21, 22).Magnetic tripping device according to the preceding claim, characterized in that the striker (27) comprises two lateral fins (31, 32) slidable in axial housings (33, 34) of the portions of the movable cores (25, 26) protruding from the coils (21, 22), the length of said housings (33, 34) being at least equal axial displacement of the moving cores (25, 26), return means (28, 29) being provided to return the firing pin (27) and the moving cores (25, 26) to the initial position in the absence of current in the coils (21, 22). Dispositif de déclenchement magnétique selon la revendication précédente, caractérisé en ce que les moyens de rappel consistent pour chaque noyau mobile en un ressort de torsion à portion centrale spiralée et deux branches d'extrémité respectivement en appui sur la culasse magnétique et dans le logement du noyau mobile.Magnetic trip device according to the preceding claim, characterized in that the return means consist for each movable core in a twist spring with spiral central portion and two end branches respectively resting on the magnetic yoke and in the housing of the core mobile. Dispositif de déclenchement magnétique selon la revendication précédente, caractérisé en ce qu'au moins une portion de la culasse magnétique (53, 53') est commune aux bobines (21, 22 ; 51, 52 ; 51', 52').Magnetic tripping device according to the preceding claim, characterized in that at least one portion of the magnetic yoke (53, 53 ') is common to the coils (21, 22; 51, 52; 51', 52 '). Dispositif de déclenchement magnétique selon la revendication précédente, caractérisé en ce qu'une portion de la culasse (53') est disposée parallèle aux et entre les bobines.Magnetic tripping device according to the preceding claim, characterized in that a portion of the yoke (53 ') is arranged parallel to and between the coils. Dispositif de déclenchement magnétique selon l'une des revendications 5 et 6, caractérisé en ce qu'une portion de la culasse (53, 53') est disposée perpendiculaire aux bobines.Magnetic release device according to one of claims 5 and 6, characterized in that a portion of the yoke (53, 53 ') is arranged perpendicular to the coils.
EP09306313A 2008-12-22 2009-12-22 Electromagnetic release device for line protection switch with at least two protected poles Not-in-force EP2200065B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09306313T PL2200065T3 (en) 2008-12-22 2009-12-22 Electromagnetic release device for line protection switch with at least two protected poles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0858955A FR2940510B1 (en) 2008-12-22 2008-12-22 MAGNETIC TRIPPING DEVICE FOR LINE PROTECTION APPARATUS HAVING AT LEAST TWO PROTECTED POLES

Publications (2)

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EP2200065A1 true EP2200065A1 (en) 2010-06-23
EP2200065B1 EP2200065B1 (en) 2012-07-18

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EP (1) EP2200065B1 (en)
FR (1) FR2940510B1 (en)
PL (1) PL2200065T3 (en)

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WO2015091868A1 (en) * 2013-12-20 2015-06-25 Eaton Industries (Austria) Gmbh Switching device

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JP2000149753A (en) * 1998-11-09 2000-05-30 Kawamura Electric Inc Earth leakage circuit breaker
WO2003079388A1 (en) * 2002-03-18 2003-09-25 Eti Elektroelement D.D. Circuit breaker having fault-current cutoff

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FR2798506B1 (en) * 1999-09-15 2001-11-09 Schneider Electric Ind Sa ELECTROMAGNETIC ACTUATOR WITH TWO RETURN SPRINGS
DE10058075A1 (en) * 2000-11-23 2002-06-06 Abb Patent Gmbh Electrical switching device for residual current, overcurrent and short-circuit current protection
DE10120189A1 (en) * 2001-04-24 2002-11-14 Prodex Technologie Gmbh Protecting switching device with electromagnetic triggering has excess current trigger with magnetic windings that interacts with switch lock to bring it from contact position to open position

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US2134593A (en) * 1933-02-25 1938-10-25 Westinghouse Electric & Mfg Co Circuit breaker
JP2000149753A (en) * 1998-11-09 2000-05-30 Kawamura Electric Inc Earth leakage circuit breaker
WO2003079388A1 (en) * 2002-03-18 2003-09-25 Eti Elektroelement D.D. Circuit breaker having fault-current cutoff

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015091868A1 (en) * 2013-12-20 2015-06-25 Eaton Industries (Austria) Gmbh Switching device
CN106030752A (en) * 2013-12-20 2016-10-12 伊顿工业（奥地利）有限公司 switchgear
US9748061B2 (en) 2013-12-20 2017-08-29 Eaton Industries (Austria) Gmbh Switching device

Also Published As

Publication number Publication date
EP2200065B1 (en) 2012-07-18
FR2940510A1 (en) 2010-06-25
FR2940510B1 (en) 2011-07-22
PL2200065T3 (en) 2012-12-31

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