EP0641000B1 - Electrical apparatus with breaker, contactor or reversing switch operation - Google Patents

Electrical apparatus with breaker, contactor or reversing switch operation Download PDF

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Publication number
EP0641000B1
EP0641000B1 EP19940410056 EP94410056A EP0641000B1 EP 0641000 B1 EP0641000 B1 EP 0641000B1 EP 19940410056 EP19940410056 EP 19940410056 EP 94410056 A EP94410056 A EP 94410056A EP 0641000 B1 EP0641000 B1 EP 0641000B1
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EP
European Patent Office
Prior art keywords
contact
rocker arm
contactor
blade
rocking
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.)
Expired - Lifetime
Application number
EP19940410056
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German (de)
French (fr)
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EP0641000A1 (en
Inventor
Jean-Bruno Comino
Daniel Dufrene
Michel Lazareth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric SE
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Schneider Electric SE
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Filing date
Publication date
Application filed by Schneider Electric SE filed Critical Schneider Electric SE
Publication of EP0641000A1 publication Critical patent/EP0641000A1/en
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Publication of EP0641000B1 publication Critical patent/EP0641000B1/en
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Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0012—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for converting normally open to normally closed switches and vice versa

Definitions

  • the present invention proposes to produce an apparatus in which the control is simple and economical and allows a operation of the device in several different modes.
  • the apparatus according to the invention is characterized in that said member control comprises a link articulated at one of its ends on the pallet and at its other end on the pendulum, the point of articulation on the pendulum being able be moved to at least two separate locations on either side of the axis fixed of said pendulum, depending on whether the device is used as a breaker, contactor or inverter.
  • the device comprises a spiral spring provided with end branches, one of which bears against the end of the rod at its point of attachment with the pendulum and the other of which is in abutment a fixed stop.
  • the apparatus 10 consists of a miniature molded housing 11 which contains an electromagnet 12, a control mechanism 13 and a circuit electric power comprising a fixed contact 14 and a tilting contact 15, connected respectively to terminals 16 and 17 mounted on faces of the housing.
  • the tilting contact 15 is integral with a contact arm 18 which is articulated at a point 19 on one end of a rigid conductor 20, the other end of which is connected to the terminal 17.
  • a spring 21 keeps the arm in abutment against the rigid conductor so to guarantee the functioning of the articulation of the two elements in point 19.
  • the electromagnet is of conventional type as described for example in the application French cited in the preamble. It is associated with a pallet 22 which cooperates with a return spring 23 to urge the latter into the position shown in solid lines, that is to say that which corresponds to the closing of the contacts 14 and 15.
  • the control mechanism 13 mainly comprises a balance 24 and a link 25 articulated at one of its ends on the pallet 22 and at its other end on the pendulum 24.
  • the point of attachment of the link 25 to the pendulum 24 may have two positions 25a and 25b respectively, which are arranged on either side of a fixed axis 26 around which the pendulum pivots.
  • the point of attachment is the point 25a, whereas in the two other intended uses, respectively described with reference to the figures 2 and 3, the attachment point is point 25b.
  • the balance comprises a central recess 27 in which one end is engaged of the contact arm 18 which is moved from its position shown in solid lines towards its position 18 ′ shown in broken lines, by a spout 28a of the pendulum 24 and conversely by a spout 28b of this same pendulum.
  • the pallet 22 When the electromagnet is activated, the pallet 22 is attracted by the pole surface 29.
  • the link 25 moves to its position 25 '(shown in broken lines) and swings the balance 24 to its 24 'position (also shown in lines interrupted).
  • the latter acts on the contact arm 18 to bring it into 18 ', which has the effect of moving the tilting contact 15 into its position 15 '(shown in broken lines).
  • a spiral spring 30 can be provided with end branches 30a and 30b, one of which bears against the end of the connecting rod 25 at the attachment point 25a and the other of which is in abutment against a fixed stop 30c.
  • a contactor is the opposite of a breaker, that is to say that when the electromagnet is not activated, contacts 14 and 15 are open.
  • An activation pulse sent to the electromagnet causes the closure of contacts 14 and 15.
  • This operation in contactor is obtained by the fact that the link 25 is, in this case, attached to the balance 24 at point 25b and no longer at point 25a.
  • the moving parts of this together are shown in solid lines in their position corresponding to the closing of the contacts 14 and 15, that is to say when the electromagnet is activated.
  • These elements are represented in broken lines in their function corresponding to the opening of contacts 14 and 15, that is to say when the electromagnet is not activated.
  • the apparatus is used as an inverter. It differs in this case of the preceding apparatuses in that it comprises an additional terminal 40 which is electrically coupled to a complementary fixed contact 41 arranged for cooperate with the rocking contact 15.
  • this rocking contact includes a first contact element 15a arranged to cooperate with the fixed contact 14 and a second contact element 15b arranged to cooperate with the fixed contact complementary 41.
  • the contact 15 was produced in the same way, that is to say that it comprises the two contact elements 15a and 15b, but only element 15a is active when the device is used as breaker or as a contactor.
  • each position of the pallet corresponds to the closing of a of the two circuits respectively connected between terminals 16 and 17 or 17 and 40.
  • the moving elements When the electromagnet is activated, the moving elements occupy the position shown in solid lines and the contacts 14 and 15 are closed.
  • the electromagnet When the electromagnet is not activated, the moving elements occupy the position shown in broken lines and contacts 15 and 41 are closed.

Description

La présente invention concerne un appareil électrique comportant un boítier dans lequel sont logés :

  • un électro-aimant à palette pivotante de commande à distance,
  • un mécanisme de commande comportant un balancier pivotant autour d'un axe fixe et susceptible d'occuper deux positions extrêmes,
  • un organe de commande couplé à la palette et coopérant avec le balancier pour déplacer ce dernier d'une position stable vers l'autre position stable à chaque cycle de manoeuvre de la palette,
  • un contact basculant bistable associé à au moins un contact fixe et qui est solidaire d'un bras de contact qui coopère avec ledit balancier pour déplacer ledit contact basculant d'un état dans un autre et inversement lors du passage du balancier de l'une des positions vers l'autre,
  • au moins deux bornes disposées sur des faces du boítier, dont l'une est reliée au contact fixe et l'autre au contact basculant par un conducteur rigide dont une extrémité définit une articulation du contact basculant.
The present invention relates to an electrical appliance comprising a housing in which are housed:
  • an electromagnet with a swiveling remote control paddle,
  • a control mechanism comprising a balance pivoting about a fixed axis and capable of occupying two extreme positions,
  • a control member coupled to the pallet and cooperating with the balance to move the latter from a stable position to the other stable position at each cycle of operation of the pallet,
  • a bistable rocking contact associated with at least one fixed contact and which is integral with a contact arm which cooperates with said balance to move said rocking contact from one state to another and vice versa during the passage of the balance from one of the positions towards each other,
  • at least two terminals arranged on faces of the housing, one of which is connected to the fixed contact and the other to the rocking contact by a rigid conductor, one end of which defines an articulation of the rocking contact.

On connaít déjà un appareil de ce type décrit dans le document FR-A-2.676.590 du même demandeur, mais cet appareil fonctionne exclusivement en mode télérupteur.We already know an apparatus of this type described in document FR-A-2,676,590 of same requester, but this device operates exclusively in remote control mode.

La présente invention se propose de réaliser un appareil dans lequel l'organe de commande est de construction simple et économique et qui autorise un fonctionnement de l'appareil selon plusieurs modes différents.The present invention proposes to produce an apparatus in which the control is simple and economical and allows a operation of the device in several different modes.

Dans ce but, l'appareil selon l'invention est caractérisé en ce que ledit organe de commande comporte une biellette articulée à une de ses extrémités sur la palette et à son autre extrémité sur le balancier, le point d'articulation sur le balancier pouvant être déplacé en au moins deux endroits distincts situés de part et d'autre de l'axe fixe dudit balancier, selon que l'appareil est utilisé comme rupteur, contacteur ou inverseur.For this purpose, the apparatus according to the invention is characterized in that said member control comprises a link articulated at one of its ends on the pallet and at its other end on the pendulum, the point of articulation on the pendulum being able be moved to at least two separate locations on either side of the axis fixed of said pendulum, depending on whether the device is used as a breaker, contactor or inverter.

Selon un mode de réalisation avantageux, l'appareil comporte un ressort spiral pourvu de branches d'extrémité dont l'une est en appui contre l'extrémité de la biellette à son point d'attache avec le balancier et dont l'autre est en appui contre une butée fixe.According to an advantageous embodiment, the device comprises a spiral spring provided with end branches, one of which bears against the end of the rod at its point of attachment with the pendulum and the other of which is in abutment a fixed stop.

D'autres avantages et caractéristiques ressortiront plus clairement de la description d'un mode de réalisation préféré de l'appareil selon l'invention dans ses différentes utilisations, ce mode de réalisation étant donné à titre d'exemple non limitatif et représenté par les dessins annexés dans lesquels :

  • la figure 1 est une vue schématique de l'appareil selon l'invention, utilisé comme rupteur,
  • la figure 2 est une vue schématique de l'appareil selon l'invention, utilisé comme contacteur, et
  • la figure 3 est une vue schématique de l'appareil selon l'invention, utilisé comme inverseur.
    • Other advantages and characteristics will emerge more clearly from the description of a preferred embodiment of the apparatus according to the invention in its different uses, this embodiment being given by way of nonlimiting example and represented by the drawings. annexed in which:
  • FIG. 1 is a schematic view of the apparatus according to the invention, used as a contact breaker,
  • FIG. 2 is a schematic view of the device according to the invention, used as a contactor, and
  • Figure 3 is a schematic view of the apparatus according to the invention, used as an inverter.

    • En référence à la figure 1, l'appareil 10 se compose d'un boítier moulé miniature 11 qui contient un électro-aimant 12, un mécanisme de commande 13 et un circuit électrique de puissance comportant un contact fixe 14 et un contact basculant 15, reliés respectivement à des bornes 16 et 17 montées sur des faces du boítier. Le contact basculant 15 est solidaire d'un bras de contact 18 qui est articulé en un point 19 sur une extrémité d'un conducteur rigide 20 dont l'autre extrémité est reliée à la borne 17. Un ressort 21 maintient le bras en appui contre le conducteur rigide afin de garantir le fonctionnement de l'articulation des deux éléments au point 19.Referring to Figure 1, the apparatus 10 consists of a miniature molded housing 11 which contains an electromagnet 12, a control mechanism 13 and a circuit electric power comprising a fixed contact 14 and a tilting contact 15, connected respectively to terminals 16 and 17 mounted on faces of the housing. The tilting contact 15 is integral with a contact arm 18 which is articulated at a point 19 on one end of a rigid conductor 20, the other end of which is connected to the terminal 17. A spring 21 keeps the arm in abutment against the rigid conductor so to guarantee the functioning of the articulation of the two elements in point 19.

    L'électro-aimant est de type classique tel que décrit par exemple dans la demande française citée en préambule. Il est associé à une palette 22 qui coopère avec un ressort de rappel 23 pour solliciter cette dernière dans la position représentée en traits pleins, c'est-à-dire celle qui correspond à la fermeture des contacts 14 et 15.The electromagnet is of conventional type as described for example in the application French cited in the preamble. It is associated with a pallet 22 which cooperates with a return spring 23 to urge the latter into the position shown in solid lines, that is to say that which corresponds to the closing of the contacts 14 and 15.

    Le mécanisme de commande 13 comporte principalement un balancier 24 et une biellette 25 articulée à une de ses extrémités sur la palette 22 et à son autre extrémité sur le balancier 24. Le point d'attache de la biellette 25 au balancier 24 peut avoir deux positions respectivement 25a et 25b, qui sont disposées de part et d'autre d'un axe fixe 26 autour duquel pivote le balancier. Dans l'utilisation de l'appareil comme rupteur, représenté par la figure 1, le point d'attache est le point 25a, alors que dans les deux autres utilisations prévues, respectivement décrites en référence aux figures 2 et 3, le point d'attache est le point 25b.The control mechanism 13 mainly comprises a balance 24 and a link 25 articulated at one of its ends on the pallet 22 and at its other end on the pendulum 24. The point of attachment of the link 25 to the pendulum 24 may have two positions 25a and 25b respectively, which are arranged on either side of a fixed axis 26 around which the pendulum pivots. In using the device as breaker, represented by figure 1, the point of attachment is the point 25a, whereas in the two other intended uses, respectively described with reference to the figures 2 and 3, the attachment point is point 25b.

    Le balancier comporte un évidement central 27 dans lequel est engagé une extrémité du bras de contact 18 qui est déplacé de sa position représentée en traits pleins vers sa position 18' représentée en traits interrompus, par un bec 28a du balancier 24 et inversement par un bec 28b de ce même balancier.The balance comprises a central recess 27 in which one end is engaged of the contact arm 18 which is moved from its position shown in solid lines towards its position 18 ′ shown in broken lines, by a spout 28a of the pendulum 24 and conversely by a spout 28b of this same pendulum.

    Lorsque l'électro-aimant n'est pas activé, la palette 22 est maintenue hors de contact de la surface polaire 29 de cet électro-aimant par le ressort de rappel 23. Les contacts 14 et 15 sont fermés.When the electromagnet is not activated, the pallet 22 is kept out of contact of the pole surface 29 of this electromagnet by the return spring 23. The contacts 14 and 15 are closed.

    Lorsque l'électro-aimant est activé, la palette 22 est attirée par la surface polaire 29. La biellette 25 se déplace dans sa position 25' (représentée en traits interrompus) et fait basculer le balancier 24 dans sa position 24' (également représentée en traits interrompus). Ce dernier agit sur le bras de contact 18 pour l'amener en 18', ce qui a pour effet de déplacer le contact basculant 15 dans sa position 15' (représentée en traits interrompus).When the electromagnet is activated, the pallet 22 is attracted by the pole surface 29. The link 25 moves to its position 25 '(shown in broken lines) and swings the balance 24 to its 24 'position (also shown in lines interrupted). The latter acts on the contact arm 18 to bring it into 18 ', which has the effect of moving the tilting contact 15 into its position 15 '(shown in broken lines).

    En temps normal, les contacts sont fermés et une impulsion d'activation de l'électro-aimant engendre l'ouverture des contacts. L'appareil fonctionne bien en rupteur dans ce cas.Normally, the contacts are closed and an activation pulse of the electromagnet opens the contacts. The device works well in breaker in this case.

    Pour faciliter le fonctionnement, on peut prévoir un ressort spiral 30 pourvu de branches d'extrémité 30a et 30b dont l'une est en appui contre l'extrémité de la biellette 25 au point d'attache 25a et dont l'autre est en appui contre une butée fixe 30c.To facilitate operation, a spiral spring 30 can be provided with end branches 30a and 30b, one of which bears against the end of the connecting rod 25 at the attachment point 25a and the other of which is in abutment against a fixed stop 30c.

    En référence à la figure 2, l'appareil 10 est utilisé comme contacteur. Tous les éléments qui composent cet appareil sont identiques à ceux décrits précédemment et portent de ce fait les mêmes références. Au point de vue du fonctionnement, un contacteur est l'inverse d'un rupteur, c'est-à-dire que lorsque l'électro-aimant n'est pas activé, les contacts 14 et 15 sont ouverts. Une impulsion d'activation transmise à l'électro-aimant engendre la fermeture des contacts 14 et 15. Ce fonctionnement en contacteur est obtenu grâce au fait que la biellette 25 est, dans ce cas, attachée au balancier 24 au point 25b et non plus au point 25a. Les éléments mobiles de cet ensemble sont représentés en traits pleins dans leur position correspondant à la fermeture des contacts 14 et 15, c'est-à-dire lorsque l'électro-aimant est activé. Ces éléments sont représentés en traits interrompus dans leur fonction correspondant à l'ouverture des contacts 14 et 15, c'est-à-dire lorsque l'électro-aimant n'est pas activé.Referring to Figure 2, the apparatus 10 is used as a contactor. All elements that make up this device are identical to those described above and therefore bear the same references. From the point of view of operation, a contactor is the opposite of a breaker, that is to say that when the electromagnet is not activated, contacts 14 and 15 are open. An activation pulse sent to the electromagnet causes the closure of contacts 14 and 15. This operation in contactor is obtained by the fact that the link 25 is, in this case, attached to the balance 24 at point 25b and no longer at point 25a. The moving parts of this together are shown in solid lines in their position corresponding to the closing of the contacts 14 and 15, that is to say when the electromagnet is activated. These elements are represented in broken lines in their function corresponding to the opening of contacts 14 and 15, that is to say when the electromagnet is not activated.

    En référence à la figure 3, l'appareil est utilisé comme inverseur. Il diffère dans ce cas des appareils précédents en ce qu'il comporte une borne supplémentaire 40 qui est électriquement couplée à un contact fixe complémentaire 41 agencé pour coopérer avec le contact basculant 15. A cet effet, ce contact basculant comporte un premier élément de contact 15a agencé pour coopérer avec le contact fixe 14 et un deuxième élément de contact 15b agencé pour coopérer avec le contact fixe complémentaire 41. On notera que dans les deux cas précédents, le contact 15 a été réalisé de la même manière, c'est-à-dire qu'il comporte les deux éléments de contact 15a et 15b, mais seul l'élément 15a est actif lorsque l'appareil est utilisé comme rupteur ou comme contacteur.Referring to Figure 3, the apparatus is used as an inverter. It differs in this case of the preceding apparatuses in that it comprises an additional terminal 40 which is electrically coupled to a complementary fixed contact 41 arranged for cooperate with the rocking contact 15. For this purpose, this rocking contact includes a first contact element 15a arranged to cooperate with the fixed contact 14 and a second contact element 15b arranged to cooperate with the fixed contact complementary 41. It will be noted that in the two preceding cases, the contact 15 was produced in the same way, that is to say that it comprises the two contact elements 15a and 15b, but only element 15a is active when the device is used as breaker or as a contactor.

    Dans cette utilisation, chaque position de la palette correspond à la fermeture d'un des deux circuits respectivement connectés entre les bornes 16 et 17 ou 17 et 40. Lorsque l'électro-aimant est activé, les éléments mobiles occupent la position représentée en traits pleins et les contacts 14 et 15 sont fermés. Lorsque l'électroaimant n'est pas activé, les éléments mobiles occupent la position représentée en traits interrompus et les contacts 15 et 41 sont fermés.In this use, each position of the pallet corresponds to the closing of a of the two circuits respectively connected between terminals 16 and 17 or 17 and 40. When the electromagnet is activated, the moving elements occupy the position shown in solid lines and the contacts 14 and 15 are closed. When the electromagnet is not activated, the moving elements occupy the position shown in broken lines and contacts 15 and 41 are closed.

    Claims (2)

    1. An apparatus operating as a disconnector, a contactor or a changeover switch, comprising a case housing :
      an electromagnet with a remote-control pivoting blade,
      an operating mechanism comprising a rocker arm pivoting around a fixed spindle and able to occupy two extreme positions,
      a control device coupled to the blade and cooperating with the rocker arm to move the latter from one stable position to the other stable position at each operating cycle of the blade,
      a bistable rocking contact associated to at least one stationary contact and which is securedly affixed to a contact arm which cooperates with said rocker arm to move said rocking contact from one state to the other and vice-versa when the rocker arm switches from one of the positions to the other,
      at least two terminals arranged on faces of the case, one of which is connected to the stationary contact and the other to the rocking contact by a rigid conductor one end of which defines an articulation of the rocking contact,
      characterized in that said control device (13) comprises a connecting rod (25) articulated at one of its ends on the blade (22) and at its other end on the rocker arm (24), the articulation point (25a or 25b) on the rocker arm (24) being able to be moved to at least two distinct locations situated on each side of the fixed spindle of said rocker arm, depending on whether the apparatus is used as a disconnector, a contactor or a changeover switch.
    2. The apparatus according to claim 1, characterized in that it comprises a spiral spring (30) provided with end branches (30a and 30b) one of which presses against the end of the connecting rod (25) at its attachment point with the rocker arm (24) and the other of which presses against a fixed stop (30c).
    EP19940410056 1993-08-26 1994-07-27 Electrical apparatus with breaker, contactor or reversing switch operation Expired - Lifetime EP0641000B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9310342A FR2709371B1 (en) 1993-08-26 1993-08-26 Electrical device operating as a breaker, as a contactor or as a reverser.
    FR9310342 1993-08-26

    Publications (2)

    Publication Number Publication Date
    EP0641000A1 EP0641000A1 (en) 1995-03-01
    EP0641000B1 true EP0641000B1 (en) 1998-12-23

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    ID=9450439

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP19940410056 Expired - Lifetime EP0641000B1 (en) 1993-08-26 1994-07-27 Electrical apparatus with breaker, contactor or reversing switch operation

    Country Status (4)

    Country Link
    EP (1) EP0641000B1 (en)
    DE (1) DE69415439T2 (en)
    ES (1) ES2126727T3 (en)
    FR (1) FR2709371B1 (en)

    Families Citing this family (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    SI23747A (en) 2011-05-12 2012-11-30 ISKRA@MIS@@d@d Bistable switch with bistable mechanism
    WO2014196934A1 (en) 2013-06-06 2014-12-11 NELA razvojni center d.o.o. Bistable mechanism for switching electrical loads
    CN106206164B (en) * 2016-08-11 2018-08-24 上海电器科学研究院 A kind of shock proof marine medium-voltage contactor latching device
    CN112701013B (en) * 2019-10-23 2023-12-22 北京京人电器有限公司 Switching device

    Family Cites Families (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB1096914A (en) * 1963-09-04 1967-12-29 English Electric Co Ltd Electrical contact arrangement
    FR2676590B1 (en) * 1991-05-16 1994-06-17 Merlin Gerin TILT SWITCH WITH TILTING CONTACT.

    Also Published As

    Publication number Publication date
    EP0641000A1 (en) 1995-03-01
    DE69415439T2 (en) 1999-06-10
    DE69415439D1 (en) 1999-02-04
    ES2126727T3 (en) 1999-04-01
    FR2709371B1 (en) 1995-10-20
    FR2709371A1 (en) 1995-03-03

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