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EP1061541A1 - Multipolar electromagnetic switching module - Google Patents

Multipolar electromagnetic switching module Download PDF

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Publication number
EP1061541A1
EP1061541A1 EP20000401668 EP00401668A EP1061541A1 EP 1061541 A1 EP1061541 A1 EP 1061541A1 EP 20000401668 EP20000401668 EP 20000401668 EP 00401668 A EP00401668 A EP 00401668A EP 1061541 A1 EP1061541 A1 EP 1061541A1
Authority
EP
European Patent Office
Prior art keywords
switching
module according
terminals
module
electromagnet
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
EP20000401668
Other languages
German (de)
French (fr)
Other versions
EP1061541B1 (en
Inventor
Bernard Fournier
Jean-Marc Romillon
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 Industries SAS
Original Assignee
Schneider Electric Industries SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR9907879A external-priority patent/FR2795226B1/en
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP1061541A1 publication Critical patent/EP1061541A1/en
Application granted granted Critical
Publication of EP1061541B1 publication Critical patent/EP1061541B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/005—Inversing contactors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device

Definitions

  • the present invention relates to an electromagnetic switching module multipole connecting by source terminals to a switch device main multipolar electromagnetic and by charging terminals to at least one motor and having, between these terminals, several power current lines provided of switching poles with alternately closed contacts always controlled by a switching electromagnet controlled by an electrical control circuit.
  • the object of the invention is to provide a switching module which realizes integrated motor control function (reverse direction, start star-triangle, etc.) with a small width, substantially equal to the width of the contactor or standard electrical equipment with which it is paired to perform said function.
  • This module therefore has a reduced width. Furthermore it is protected by the device associated with it and mounted upstream.
  • the switching module according to the invention is characterized in that the poles and the current lines are arranged to perform a control function of motor such as reversing, star-delta starting or distribution function and that the pole control assembly formed by the switching electromagnet and the electrical control circuit is offset from the switching poles and current paths in a direction perpendicular to the rear fixing surface of the module so that the width of the module is reduced and substantially equal to that of the main associated device.
  • a control function of motor such as reversing, star-delta starting or distribution function
  • the electromagnetic switching module according to the invention is intended to be associated with an electromagnetic switch device multipolar Ap which can be provided with a motor protection function, of the type contactor or contactor-circuit breaker. It can be integrated, in association with devices such as Ap, in conventional schemes such as: reversal of direction of travel, star-delta start, distribution, gear change.
  • the main switch device Ap houses, in a box, current lines poles arranged between source terminals L1, L2, L3 connecting to the phases of the AC network and T1, T2, T3 charging stations that can be connected to the switching M.
  • Each current line has a switch or pole I1 or I2 or I3 controlled by a main electromagnet E whose coil B is supplied with current electric by two supply terminals marked A1 and A2.
  • the switching module M is housed in a box Bo provided at the rear with a fixing base P, substantially flat, allowing it to be fixed on a rail or a plate. It has source (power) terminals t1, t2, t3 which connect directly to the downstream terminals T1, T2, T3 of the main AP device and of the output or load terminals (power) U, V, W on the one hand u, v, w on the other hand which are connected to the motor (s).
  • the switching module M can be mounted directly under the Ap device or it can be deported.
  • switching poles C1, C2, C3 of the type to simple and bistable break. These poles C1, C2, C3 are actuated by an electromagnet bistable El provided with a coil Bb and their contacts are always alternately closed except during switching. Module M does not have a fire extinguisher arc and therefore cannot be operated under load.
  • the number of terminals t1, t2, t3 is equal the number of terminals T1, T2, T3, the number of poles C1, C2, C3 being itself equal or less than this number of terminals.
  • Poles C1, C2, C3 and the internal wiring Sc of the associated current lines perform a conventional motor control function: inverter, star-triangle or distribution, low speed - high speed.
  • the wiring of the power circuit of the module M depends on the control function performed by this module.
  • the source terminal t3 is directly connected to the charging terminal W.
  • source terminals t1 and t2 are connected (direct operation) to the load terminals U and V by the poles C1, C2 and after switching of these same poles (reverse operation), at terminals V and U, which achieves the usual phase crossing.
  • the source terminals t1, t2, t3 are arranged on one side of the module while the charging stations U, V, W (starting in triangle or first motor or high speed) and the charging stations u, v, w (star or second start motor or low speed) are arranged on the opposite side.
  • the terminals U, V, W on the one hand, u, v, w on the other hand are offset from each other.
  • the bistable type electromagnet El housed in the switching module M and actuating the movable contacts of the switching poles C1, C2, C3 is equipped with a permanent magnet to reduce energy consumption.
  • This electromagnet El is controlled by an internal control circuit Cc illustrated in Figure 10.
  • the part moving magnetic of the electromagnet El which has an alternating rectilinear movement operates the switching poles C1, C2, C3 by a slide Ra.
  • the axis of movement of this electromagnet is parallel to the fixing plane Pf and to terminals.
  • the switching module M is arranged so that the poles of switching C1, C2, C3 and the associated power circuits and that all of control of the poles formed by the electromagnet El and the control circuit Cc are offset or spaced in a direction perpendicular to the rear face Pf for fixing the module and the width L of the module is substantially equal to the width of the device main associate AP.
  • the width L is therefore reduced if it is compared to usual devices performing similar functions.
  • the switching poles C1, C2, C3 and the Sc conductors of the wiring diagram (inverter, etc.) are housed towards the rear, the electromagnet El and the associated control circuit Cc being housed forward.
  • Each switching pole C1 or C2 or C3 illustrated schematically in the figure 6 is of the reversing type (contacts always closed) and consists of a contact holder mobile Pc carrying two parallel conductors Cm1, Cm2 in the form of loops and carrying respectively the movable contacts P1 and P2. These conductors are assembled at a terminal t1, t2, t3.
  • the contact carrier Pc oscillates, around a trunnion Ax and an axis AA ′, between two conductors Cf1, Cf2 carrying the fixed contacts P3 and P4.
  • These drivers are themselves in the form of a loop and joined to one or two terminals U, V, W. In the mode of shown embodiment the axes are perpendicular to the rear mounting plane Pf.
  • the movable contact carrier Pc oscillates, around the axis AA ′, from a first position working, contacts closed, in a second working position, contacts also closed.
  • This loop effect provides proportional contact pressure to the current that passes through the pole.
  • the poles are never operated under load which reduces the nominal contact pressure, the size of the electromagnet is finding it diminished.
  • the moving parts of the electromagnet actuate a movable slide Ra in translation parallel to the rear mounting plane Pf and acting on each spring of Rp pole via a Pi part.
  • Fixed conductors Cf1, Cf2 realize with extensions or additional conductors leading to the charging (power) terminals U, V, W etc., one of the SC control diagrams of the motor or motors. These extensions or additional conductors are housed in the Bo box, on the side of the terminals charge.
  • the mobile conductors Cm1, Cm2 of the contact carrier PC are distant, one by with respect to each other, so that a No magnetic core lodges between them. This core magnetic No cooperates with plywood Cp1, Cp2 fixed inside the switching chamber housing the pole.
  • the moving contact parts Cm1, Cm2 are joined by a flexible electrical connection Tr and a conductor such as Co3 to a terminal source such as t3.
  • the input and output terminals used for control are arranged forward.
  • the input terminals A2, A1, A1 ', B1, B1' are intended to receive orders from motor control and the output terminals SA1, S21, S22 cooperate with the device main partner Ap.
  • the main device Ap includes a locking contact Ve operated by the moving part of the electromagnet E and connected to two terminals 21 and 22 which can be connect to terminals SA1 and SA2 of module M.
  • the coil Bb of the electromagnet El is supplied so as to be polarized in either direction.
  • This command can be carried out by two change-over contacts auxiliaries 1a and 1b actuated by the mobile part of the bistable electromagnet El and associated to diodes 7a, 7b.
  • Switching module M can have other contacts auxiliaries such as 3 and 6 also actuated by the movable part of the electromagnet El.
  • the electromagnet El of the main apparatus Ap is powered by the MA on / off switch, the contacts Bp1, Bp2 and 6.
  • the poles of power I1, I2 and I3 of the main device Ap are in the operating position "Sense one".
  • Switching switches such as C1, C2 of the switching module M are in the position corresponding to this "sense one" operating mode (these poles are always in the closed position).
  • the operator opens a contact Bp2 and close the associated contact Bp2.
  • Contact opening cuts power of the coil B of the main unit Ap.
  • the power switches I1 to I3 of the main device Ap opens.
  • Closing the contact Bp2 causes the supply of the coil Bb of the module M which causes the switching of switching contacts such as C1, C2.
  • the auxiliary contacts of module M switch and current is sent to electromagnet E of the main device Ap so as to operate the power switches 11-13.
  • the electromagnet El of the switching module M can only switch when the power contacts I1 to I3 are open. This security function is provided by the Ve locking contact. On the other hand, the power contacts I1 to I3 close when the contacts of the switching module M are in the correct position.
  • the auxiliary contacts In order not to cut the supply voltage during the stroke of the electromagnet El, the auxiliary contacts must change position after the electromagnet It has run its course or an important part of its course. A device for delay of change of state can be associated with these three contacts.

Landscapes

  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Inverter Devices (AREA)
  • Motor And Converter Starters (AREA)
  • Control Of Multiple Motors (AREA)
  • Relay Circuits (AREA)
  • Electromagnets (AREA)
  • Control Of Ac Motors In General (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Stopping Of Electric Motors (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Push-Button Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Switches With Compound Operations (AREA)
  • Keying Circuit Devices (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Power Conversion In General (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Linear Motors (AREA)

Abstract

The commutation poles (C1,C2,C3) and the current lines are arranged within the module housing to realise a motor control function of reverse, star-delta, or distributor type. The pole control unit constituted by an electromagnet (E1) and its control circuit, displaced relative to the commutation poles and current lines in a direction perpendicular to the rear mounting wall of the module. The size of the module is thus reduced and approximately equal to that of the main associated apparatus.

Description

La présente invention concerne un module électromagnétique de commutation multipolaire se connectant par des bornes de source à un appareil interrupteur électromagnétique multipolaire principal et par des bornes de charge à au moins un moteur et présentant, entre ces bornes, plusieurs lignes de courant de puissance pourvus de pôles de commutation à contacts toujours alternativement fermés commandés par un électro-aimant de commutation piloté par un circuit électrique de commande.The present invention relates to an electromagnetic switching module multipole connecting by source terminals to a switch device main multipolar electromagnetic and by charging terminals to at least one motor and having, between these terminals, several power current lines provided of switching poles with alternately closed contacts always controlled by a switching electromagnet controlled by an electrical control circuit.

Il est connu de réaliser un schéma de contrôle de moteur (inverseur de sens de marche, démarrage étoile-triangle, changement de vitesse,...) en associant plusieurs appareils (contacteurs, etc.) interconnectés au niveau puissance et au niveau contrôle en fonction du schéma souhaité. Ce type de réalisation est encombrant.It is known to make a motor control diagram (direction reverser walking, star-delta starting, speed change, ...) by combining several devices (contactors, etc.) interconnected at the power level and at the control level in according to the desired scheme. This type of construction is bulky.

On connaít par le brevet FR 2 758 903 ou le brevet FR 2 761 521 un module de type inverseur permettant de faire passer un moteur d'un fonctionnement en marche directe à un fonctionnement en marche inverse et vice-versa. Ce module est également encombrant.We know from patent FR 2 758 903 or patent FR 2 761 521 a module reversing type allowing a motor to pass from running operation direct to reverse operation and vice versa. This module is also cumbersome.

L'invention a pour but de fournir un module de commutation réalisant de manière intégrée une fonction de contrôle de moteur (inversion de sens de marche, démarrage étoile- triangle, etc.) sous une faible largeur, sensiblement égale à la largeur du contacteur ou appareillage électrique standard avec lequel il est apparié pour réaliser ladite fonction. Ce module présente donc une largeur réduite. Par ailleurs il est protégé par l'appareil principal qui lui est associé et est monté en amont.The object of the invention is to provide a switching module which realizes integrated motor control function (reverse direction, start star-triangle, etc.) with a small width, substantially equal to the width of the contactor or standard electrical equipment with which it is paired to perform said function. This module therefore has a reduced width. Furthermore it is protected by the device associated with it and mounted upstream.

Le module de commutation selon l'invention est caractérisé par le fait que les pôles et les lignes de courant sont agencés pour réaliser une fonction de contrôle de moteur telle que la fonction d'inversion, de démarrage étoile- triangle ou de distribution et que l'ensemble de commande des pôles formé par l'électro-aimant de commutation et le circuit électrique de commande est décalé par rapport aux pôles de commutation et chemins de courant dans une direction perpendiculaire à la face arrière de fixation du module de manière que la largeur du module soit réduite et sensiblement égale à celle de l'appareil principal associé.The switching module according to the invention is characterized in that the poles and the current lines are arranged to perform a control function of motor such as reversing, star-delta starting or distribution function and that the pole control assembly formed by the switching electromagnet and the electrical control circuit is offset from the switching poles and current paths in a direction perpendicular to the rear fixing surface of the module so that the width of the module is reduced and substantially equal to that of the main associated device.

L'invention va maintenant être décrite avec plus de détail en se référant à des modes de réalisation donnés à titre d'exemples et représentés par les dessins annexés sur lesquels :

  • la figure 1 est un schéma du circuit puissance d'un module de commutation de type inverseur, associé à un appareil interrupteur principal ;
  • la figure 2 est un schéma du circuit puissance d'un module de commutation de type étoile-triangle, associé à un appareil interrupteur principal ;
  • la figure 3 est un schéma du circuit puissance d'un module de commutation de type distributeur, associé à un appareil interrupteur principal ;
  • la figure 4 est un schéma du circuit puissance d'un module de commutation de type changement de vitesse, associé à un appareil interrupteur principal ;
  • la figure 5 est une vue en perspective éclatée montrant l'agencement interne du module selon l'invention;
  • la figure 6 est une vue en perspective de la partie basse du module, réalisant la commutation sur le circuit de puissance;
  • la figure 7 est un schéma d'un pôle de commutation du module ;
  • la figure 8 est une vue de détail du pôle, la ligne de courant d'un des contacts fixes n'étant pas représentée ;
  • la figure 9 est une coupe selon P de la figure 8 ;
  • la figure 10 est un schéma d'un mode de réalisation du circuit de commande de l'électroaimant du module.
The invention will now be described in more detail with reference to embodiments given by way of examples and represented by the appended drawings in which:
  • FIG. 1 is a diagram of the power circuit of a switching module of the inverter type, associated with a main switch device;
  • FIG. 2 is a diagram of the power circuit of a switching module of the star-delta type, associated with a main switch device;
  • FIG. 3 is a diagram of the power circuit of a distributor-type switching module, associated with a main switch device;
  • FIG. 4 is a diagram of the power circuit of a switching module of the speed change type, associated with a main switch device;
  • Figure 5 is an exploded perspective view showing the internal arrangement of the module according to the invention;
  • Figure 6 is a perspective view of the lower part of the module, performing the switching on the power circuit;
  • FIG. 7 is a diagram of a switching pole of the module;
  • Figure 8 is a detail view of the pole, the current line of one of the fixed contacts not being shown;
  • Figure 9 is a section along P of Figure 8;
  • FIG. 10 is a diagram of an embodiment of the control circuit of the module's electromagnet.

Le module électromagnétique de commutation selon l'invention, repéré M sur les dessins, est destiné à être associé à un appareil interrupteur électromagnétique multipolaire Ap pouvant être pourvu d'une fonction de protection moteur, de type contacteur ou contacteur- disjoncteur. Il peut s'intégrer, en association avec des appareils tels que Ap, dans des schémas classiques tels que: inversion de sens de marche, démarrage étoile- triangle, distribution, changement de vitesse.The electromagnetic switching module according to the invention, marked M on the drawings, is intended to be associated with an electromagnetic switch device multipolar Ap which can be provided with a motor protection function, of the type contactor or contactor-circuit breaker. It can be integrated, in association with devices such as Ap, in conventional schemes such as: reversal of direction of travel, star-delta start, distribution, gear change.

L'appareil interrupteur principal Ap loge, dans un boítier, des lignes de courant polaires disposés entre des bornes de source L1, L2, L3 se connectant aux phases du réseau alternatif et des bornes de charge T1, T2, T3 pouvant se connecter au module de commutation M. Chaque ligne de courant présente un interrupteur ou pôle I1 ou I2 ou I3 commandé par un électroaimant principal E dont la bobine B est alimentée en courant électrique par deux bornes d'alimentation repérées A1 et A2. The main switch device Ap houses, in a box, current lines poles arranged between source terminals L1, L2, L3 connecting to the phases of the AC network and T1, T2, T3 charging stations that can be connected to the switching M. Each current line has a switch or pole I1 or I2 or I3 controlled by a main electromagnet E whose coil B is supplied with current electric by two supply terminals marked A1 and A2.

Le module de commutation M se loge dans un boítier Bo pourvu à l'arrière d'une embase de fixation P, sensiblement plane, permettant de le fixer sur un rail ou une platine. Il présente des bornes de source (puissance) t1, t2, t3 se raccordant directement sur les bornes aval T1, T2, T3 de l'appareil principal AP et des bornes de sortie ou de charge (puissance) U, V, W d'une part u, v, w d'autre part qui sont connectées au(x) moteur(s).The switching module M is housed in a box Bo provided at the rear with a fixing base P, substantially flat, allowing it to be fixed on a rail or a plate. It has source (power) terminals t1, t2, t3 which connect directly to the downstream terminals T1, T2, T3 of the main AP device and of the output or load terminals (power) U, V, W on the one hand u, v, w on the other hand which are connected to the motor (s).

Le module de commutation M peut se monter directement sous l'appareil Ap ou il peut être déporté.The switching module M can be mounted directly under the Ap device or it can be deported.

Sur les lignes de courant comprises entre les bornes source t1, t2, t3 et les bornes de sortie ou de charge, sont agencés des pôles de commutation C1, C2, C3 du type à rupture simple et bistables. Ces pôles C1, C2, C3 sont actionnés par un électro-aimant bistable El pourvu d'une bobine Bb et leurs contacts sont toujours alternativement fermés sauf pendant les commutations. Le module M ne possède pas de dispositif d'extinction d'arc et ne peut donc pas être actionné en charge. Le nombre de bornes t1, t2, t3 est égal au nombre de bornes T1, T2, T3, le nombre de pôles C1, C2, C3 étant lui-même égal ou inférieur à ce nombre de bornes.On the current lines between the source terminals t1, t2, t3 and the terminals of output or load, are arranged switching poles C1, C2, C3 of the type to simple and bistable break. These poles C1, C2, C3 are actuated by an electromagnet bistable El provided with a coil Bb and their contacts are always alternately closed except during switching. Module M does not have a fire extinguisher arc and therefore cannot be operated under load. The number of terminals t1, t2, t3 is equal the number of terminals T1, T2, T3, the number of poles C1, C2, C3 being itself equal or less than this number of terminals.

Les pôles C1, C2, C3 et le câblage interne Sc des lignes de courant associées réalisent une fonction de contrôle de moteur classique: inverseur, étoile-triangle ou distribution, petite vitesse- grande vitesse. Le câblage du circuit du circuit puissance du module M dépend de la fonction de contrôle réalisée par ce module.Poles C1, C2, C3 and the internal wiring Sc of the associated current lines perform a conventional motor control function: inverter, star-triangle or distribution, low speed - high speed. The wiring of the power circuit of the module M depends on the control function performed by this module.

Dans le mode de réalisation destiné à l'inversion de sens de marche qui est illustré à la figure 1, la borne source t3 est reliée directement à la borne de charge W. Les bornes source t1 et t2 sont reliées (marche directe) aux bornes de charge U et V par les pôles C1, C2 et après commutation de ces mêmes pôles (marche inverse), aux bornes V et U, ce qui réalise le croisement habituel des phases.In the embodiment intended for reversing the direction of travel which is illustrated in figure 1, the source terminal t3 is directly connected to the charging terminal W. source terminals t1 and t2 are connected (direct operation) to the load terminals U and V by the poles C1, C2 and after switching of these same poles (reverse operation), at terminals V and U, which achieves the usual phase crossing.

Dans les modes de réalisation qui sont illustrés à la figure 2, à la figure 3 et à la figure 4 et qui sont destinés respectivement au démarrage étoile-triangle, à la distribution et au changement de vitesse, les bornes de source t1, t2, t3 sont disposées d'un coté du module tandis que les bornes de charge U, V, W (démarrage en triangle ou premier moteur ou grande vitesse) et les bornes de charge u, v, w (démarrage en étoile ou second moteur ou petite vitesse) sont disposées du côté opposé. Les bornes U, V, W d'une part, u, v, w d'autre part sont décalées les unes par rapport aux autres.In the embodiments which are illustrated in FIG. 2, in FIG. 3 and in the Figure 4 and which are respectively intended for star-delta starting, for distribution and at speed change, the source terminals t1, t2, t3 are arranged on one side of the module while the charging stations U, V, W (starting in triangle or first motor or high speed) and the charging stations u, v, w (star or second start motor or low speed) are arranged on the opposite side. The terminals U, V, W on the one hand, u, v, w on the other hand are offset from each other.

L'électro-aimant El de type bistable logé dans le module de commutation M et actionnant les contacts mobiles des pôles de commutation C1, C2, C3 est équipé d'un aimant permanent de manière à réduire la consommation d'énergie. Cet électro-aimant El est piloté par un circuit de commande interne Cc illustré à la figure 10. La partie magnétique mobile de l'électro-aimant El qui a un mouvement rectiligne alternatif manoeuvre les pôles de commutation C1, C2, C3 par un coulisseau Ra. De préférence l'axe de déplacement de cet électroaimant est parallèle au plan de fixation Pf et aux bornes.The bistable type electromagnet El housed in the switching module M and actuating the movable contacts of the switching poles C1, C2, C3 is equipped with a permanent magnet to reduce energy consumption. This electromagnet El is controlled by an internal control circuit Cc illustrated in Figure 10. The part moving magnetic of the electromagnet El which has an alternating rectilinear movement operates the switching poles C1, C2, C3 by a slide Ra. Preferably the axis of movement of this electromagnet is parallel to the fixing plane Pf and to terminals.

Le module de commutation M est agencé de manière que les pôles de commutation C1, C2, C3 et les circuits de puissance associés et que l'ensemble de commande des pôles formé par l'électro-aimant El et le circuit de commande Cc soient décalés ou espacés selon une direction perpendiculaire à la face arrière Pf de fixation du module et que la largeur L du module soit sensiblement égale à la largeur de l'appareil principal associé AP. La largeur L est donc réduite si on la compare à des appareils usuels réalisant des fonctions similaires. Les pôles de commutation C1, C2, C3 et les conducteurs Sc du schéma de câblage (inverseur, etc. ) sont logés vers l'arrière, l'électro-aimant El et le circuit de commande Cc associé étant logés vers l'avant.The switching module M is arranged so that the poles of switching C1, C2, C3 and the associated power circuits and that all of control of the poles formed by the electromagnet El and the control circuit Cc are offset or spaced in a direction perpendicular to the rear face Pf for fixing the module and the width L of the module is substantially equal to the width of the device main associate AP. The width L is therefore reduced if it is compared to usual devices performing similar functions. The switching poles C1, C2, C3 and the Sc conductors of the wiring diagram (inverter, etc.) are housed towards the rear, the electromagnet El and the associated control circuit Cc being housed forward.

Chaque pôle de commutation C1 ou C2 ou C3 illustré schématiquement à la figure 6 est de type inverseur (contacts toujours fermés) et est constitué par un porte contact mobile Pc portant deux conducteurs parallèles Cm1, Cm2 en forme de boucles et portant respectivement les contacts mobiles P1 et P2. Ces conducteurs sont réunis à une borne t1, t2, t3. Le porte- contact Pc oscille, autour d'un tourillon Ax et d'un axe A-A', entre deux conducteurs Cf1, Cf2 portant les contacts fixes P3 et P4. Ces conducteurs sont eux-mêmes en forme de boucle et réunis à une ou deux bornes U, V, W. Dans le mode de réalisation représenté les axes sont perpendiculaires au plan de fixation arrière Pf.Each switching pole C1 or C2 or C3 illustrated schematically in the figure 6 is of the reversing type (contacts always closed) and consists of a contact holder mobile Pc carrying two parallel conductors Cm1, Cm2 in the form of loops and carrying respectively the movable contacts P1 and P2. These conductors are assembled at a terminal t1, t2, t3. The contact carrier Pc oscillates, around a trunnion Ax and an axis AA ′, between two conductors Cf1, Cf2 carrying the fixed contacts P3 and P4. These drivers are themselves in the form of a loop and joined to one or two terminals U, V, W. In the mode of shown embodiment the axes are perpendicular to the rear mounting plane Pf.

Le porte- contact mobile Pc oscille, autour de l'axe A-A', d'une première position de travail, contacts fermés, à une seconde position de travail, contacts fermés également. Le courant qui circule dans un conducteur mobile Cm1 ou Cm2 et dans le conducteur fixe correspondant Cf1 ou Cf2, selon des directions parallèles, induit un effort d'attraction magnétique. Cet effet de boucle permet d'obtenir une pression de contact proportionnelle au courant qui passe dans le pôle. Les pôles ne sont jamais actionnés en charge ce qui permet de réduire la pression nominale de contact, l'encombrement de l'électroaimant se trouvant diminué.The movable contact carrier Pc oscillates, around the axis AA ′, from a first position working, contacts closed, in a second working position, contacts also closed. Current flowing in a mobile conductor Cm1 or Cm2 and in the fixed conductor corresponding Cf1 or Cf2, in parallel directions, induces an attraction force magnetic. This loop effect provides proportional contact pressure to the current that passes through the pole. The poles are never operated under load which reduces the nominal contact pressure, the size of the electromagnet is finding it diminished.

Les parties mobiles de l'électro-aimant actionnent un coulisseau Ra mobile en translation parallèlement au plan arrière de fixation Pf et agissant sur chaque ressort de pôle Rp par l'intermédiaire d'une pièce Pi. The moving parts of the electromagnet actuate a movable slide Ra in translation parallel to the rear mounting plane Pf and acting on each spring of Rp pole via a Pi part.

Les conducteurs fixes Cf1, Cf2 réalisent avec des prolongements ou des conducteurs complémentaires aboutissant aux bornes de charge (puissance) U, V, W etc., un des schémas de contrôle Sc du moteur ou des moteurs. Ces prolongements ou conducteurs complémentaires sont logés dans le boítier Bo, du coté des bornes de charge.Fixed conductors Cf1, Cf2 realize with extensions or additional conductors leading to the charging (power) terminals U, V, W etc., one of the SC control diagrams of the motor or motors. These extensions or additional conductors are housed in the Bo box, on the side of the terminals charge.

Les conducteurs mobiles Cm1, Cm2 du porte-contact PC sont distants, l'un par rapport à l'autre, de manière qu'un noyau magnétique No se loge entre eux. Ce noyau magnétique No coopère avec des contreplaques Cp1, Cp2 fixées à l'intérieur de la chambre de commutation logeant le pôle. Les pièces de contacts mobiles Cm1, Cm2 sont réunies par une liaison électrique souple Tr et un conducteur tel que Co3 à une borne source telle que t3.The mobile conductors Cm1, Cm2 of the contact carrier PC are distant, one by with respect to each other, so that a No magnetic core lodges between them. This core magnetic No cooperates with plywood Cp1, Cp2 fixed inside the switching chamber housing the pole. The moving contact parts Cm1, Cm2 are joined by a flexible electrical connection Tr and a conductor such as Co3 to a terminal source such as t3.

Les bornes d'entrée et de sortie servant au contrôle sont disposées vers l'avant. Les bornes d'entrée A2, A1, A1', B1, B1' sont destinées à recevoir les ordres de commande du moteur et les bornes de sortie SA1, S21, S22 coopèrent avec l'appareil principal associé Ap.The input and output terminals used for control are arranged forward. The input terminals A2, A1, A1 ', B1, B1' are intended to receive orders from motor control and the output terminals SA1, S21, S22 cooperate with the device main partner Ap.

L'appareil principal Ap comporte un contact de verrouillage Ve manoeuvré par la partie mobile de l'électro-aimant E et connecté à deux bornes 21 et 22 pouvant se connecter aux bornes SA1 et SA2 du module M.The main device Ap includes a locking contact Ve operated by the moving part of the electromagnet E and connected to two terminals 21 and 22 which can be connect to terminals SA1 and SA2 of module M.

La bobine Bb de l'électro-aimant El est alimentée de manière à être polarisée dans l'un ou l'autre sens. Cette commande peut être réalisée par deux contacts inverseurs auxiliaires 1a et 1b actionnés par la partie mobile de l'électroaimant bistable El et associés à des diodes 7a, 7b. Le module de commutation M peut comporter d'autres contacts auxiliaires tels que 3 et 6 également actionnés par la partie mobile de l'électro-aimant El.The coil Bb of the electromagnet El is supplied so as to be polarized in either direction. This command can be carried out by two change-over contacts auxiliaries 1a and 1b actuated by the mobile part of the bistable electromagnet El and associated to diodes 7a, 7b. Switching module M can have other contacts auxiliaries such as 3 and 6 also actuated by the movable part of the electromagnet El.

Pour réaliser l'application, on branche sur les bornes A1, A'1, B1, B'1 du module de commutation M d'une part des contacts Bp1 contrôlant le fonctionnement dans le «sens un» et d'autre part des contacts Bp2 contrôlant le fonctionnement dans le « sens deux ». On appelle fonctionnement « sens un », l'un des deux modes de fonctionnement du module c'est à dire la marche directe pour l'inverseur ou en étoile pour l'étoile-triangle. On appelle fonctionnement « sens deux » le second mode c'est à dire la marche inverse ou en triangle.To carry out the application, connect to terminals A1, A'1, B1, B'1 of the module switch M on the one hand of the contacts Bp1 controlling the operation in the "Sense one" and on the other hand contacts Bp2 controlling the operation in the "sense of them ". One of the two operating modes is called "sense one" operation. of the module, i.e. direct for the reverser or star for the star-triangle. The second mode is called "two-way" operation, ie reverse operation. or in a triangle.

Le fonctionnement du module de commutation va maintenant être expliqué.The operation of the switching module will now be explained.

Dans la position de la figure 10, l'électro-aimant El de l'appareil principal Ap est alimenté via l'interrupteur de marche-arrêt MA, les contacts Bp1, Bp2 et 6. Les pôles de puissance I1, I2 et I3 de l'appareil principal Ap sont dans la position de fonctionnement « sens un ». Les interrupteurs de commutation tels que C1, C2 du module de commutation M sont dans la position correspondant à ce mode de fonctionnement «sens un » (ces pôles sont toujours en position fermée).In the position of FIG. 10, the electromagnet El of the main apparatus Ap is powered by the MA on / off switch, the contacts Bp1, Bp2 and 6. The poles of power I1, I2 and I3 of the main device Ap are in the operating position "Sense one". Switching switches such as C1, C2 of the switching module M are in the position corresponding to this "sense one" operating mode (these poles are always in the closed position).

Pour passer en mode de fonctionnement «sens deux», l'opérateur ouvre un contact Bp2 et ferme le contact associé Bp2. L'ouverture du contact coupe l'alimentation de la bobine B de l'appareil principal Ap. Les interrupteurs de puissance I1 à I3 de l'appareil principal Ap s'ouvrent.To switch to "two-way" operating mode, the operator opens a contact Bp2 and close the associated contact Bp2. Contact opening cuts power of the coil B of the main unit Ap. The power switches I1 to I3 of the main device Ap opens.

La fermeture du contact Bp2 entraíne l'alimentation de la bobine Bb du module M ce qui entraíne la commutation des contacts de commutation tels que C1, C2. Les contacts auxiliaires du module M commutent et le courant est envoyé sur l'électroaimant E de l'appareil principal Ap de manière à manoeuvrer les interrupteurs de puissance 11-13.Closing the contact Bp2 causes the supply of the coil Bb of the module M which causes the switching of switching contacts such as C1, C2. The auxiliary contacts of module M switch and current is sent to electromagnet E of the main device Ap so as to operate the power switches 11-13.

L'électro-aimant El du module de commutation M ne peut commuter que lorsque les contacts de puissance I1 à I3 sont ouverts. Cette fonction de sécurité est assurée par le contact Ve de verrouillage. D'autre part, les contacts de puissance I1 à I3 se ferment lorsque les contacts du module de commutation M sont dans la bonne position.The electromagnet El of the switching module M can only switch when the power contacts I1 to I3 are open. This security function is provided by the Ve locking contact. On the other hand, the power contacts I1 to I3 close when the contacts of the switching module M are in the correct position.

Afin de ne pas couper la tension d'alimentation durant la course de l'électro-aimant El, les contacts auxiliaires doivent changer de position après que l'électro-aimant El ait effectué sa course ou une partie importante de sa course. Un dispositif de retardement de changement d'état peut être associé à ces trois contacts.In order not to cut the supply voltage during the stroke of the electromagnet El, the auxiliary contacts must change position after the electromagnet It has run its course or an important part of its course. A device for delay of change of state can be associated with these three contacts.

Il est bien entendu que l'on peut sans sortir du cadre de l'invention imaginer des variantes et des perfectionnements de détail et de même envisager l'emploi de moyens équivalents.It is understood that one can without departing from the scope of the invention imagine variants and refinements of detail and even consider the use of means equivalents.

En variante on pourrait éviter d'employer dans le schéma de commande Cc des semi-conducteurs (diodes ou petits composants de protection).As a variant, one could avoid using in the control scheme Cc semiconductors (diodes or small protection components).

Claims (16)

Module électromagnétique de commutation multipolaire destiné à être connecté par des bornes de source (t1, t2, t3) à un appareil interrupteur électromagnétique multipolaire principal (Ap) et par des bornes de charge (U, V, W, u, v, w) à au moins un moteur et présentant, dans un boítier (Bo), entre ces bornes, plusieurs chemins de courant de puissance pourvus de pôles de commutation (C1, C2, C3) à contacts toujours alternativement fermés et commandés par un unique électro-aimant de commutation (El) piloté par un circuit de commande (Cc), caractérisé par le fait que les pôles de commutation (C1, C2, C3) et les lignes de courant (Cf1, Cf2) sont agencés à l'intérieur du boítier pour réaliser une fonction de contrôle de moteur par exemple de type inverseur ou étoile-triangle ou distributeur et que l'ensemble de commande des pôles constitué par l'électro-aimant de commutation (El) et son circuit de commande (Cc) est décalé par rapport aux pôles de commutation (C1, C2, C3) et lignes de courant dans une direction perpendiculaire à la face arrière (Pf) de fixation du module de manière que la largeur (L) du module soit réduite et sensiblement égale à celle de l'appareil principal (Ap) associé.Electromagnetic multipole switching module intended to be connected by source terminals (t1, t2, t3) to an electromagnetic switchgear main multipole (Ap) and by charging terminals (U, V, W, u, v, w) to at least one motor and having, in a housing (Bo), between these terminals, several current paths of power provided with switching poles (C1, C2, C3) with contacts always alternately closed and controlled by a single switching electromagnet (El) controlled by a control circuit (Cc), characterized in that the poles of switching (C1, C2, C3) and the current lines (Cf1, Cf2) are arranged inside the housing to perform a motor control function for example of the inverter type or star-triangle or distributor and that the pole control assembly constituted by the switching electromagnet (El) and its control circuit (Cc) is offset by relation to switching poles (C1, C2, C3) and current lines in one direction perpendicular to the rear face (Pf) for fixing the module so that the width (L) of the module is reduced and substantially equal to that of the main device (Ap) associated. Module selon la revendication 1, caractérisé par le fait que chacun des pôles de commutation (C1, C2, C3) est constitué par un porte contact mobile (Pc) portant les contacts mobiles (P1, P2) oscillant entre deux conducteurs (Cf1, Cf2) portant les contacts fixes (P3, P4) autour d'un axe (A-A') et que les parties mobiles de l'électroaimant (El) se déplacent parallèlement à ce plan de fixation (Pf).Module according to claim 1, characterized in that each of the poles of switching (C1, C2, C3) consists of a movable contact carrier (Pc) carrying the movable contacts (P1, P2) oscillating between two conductors (Cf1, Cf2) carrying the contacts fixed (P3, P4) around an axis (A-A ') and that the moving parts of the electromagnet (El) are move parallel to this fixing plane (Pf). Module selon la revendication 2, caractérisé par le fait que chaque porte-contact (Pc) est associé à un ressort de pôle (Rp) en forme d'épingle ou de U.Module according to claim 2, characterized in that each contact carrier (Pc) is associated with a pole spring (Rp) in the form of a pin or U. Module selon la revendication 3, caractérisé par le fait que les parties mobiles de l'électro-aimant actionnent un coulisseau (Ra) mobile en translation parallèlement au plan arrière de fixation (Pf) et agissant sur les ressorts de pôles (Rp).Module according to claim 3, characterized in that the movable parts of the electromagnet actuate a slide (Ra) movable in translation parallel to the rear fixing plane (Pf) and acting on the pole springs (Rp). Module selon la revendication 1 ou 2, caractérisé par le fait que les lignes de courant réalisant l'une des fonctions de contrôle (Sc) de moteur sont constitués par des conducteurs portant les contacts fixes (Cf1, Cf2) et les connectant aux bornes de charge (U, V, W), ces conducteurs étant logés dans le boítier (Bo) du coté des bornes de charge.Module according to claim 1 or 2, characterized in that the lines of current carrying out one of the motor control functions (Sc) are constituted by conductors carrying the fixed contacts (Cf1, Cf2) and connecting them to the charging terminals (U, V, W), these conductors being housed in the housing (Bo) on the side of the charging terminals. Module selon la revendication 1 ou 2, caractérisé par le fait que le module est de type inverseur et comporte d'un coté les bornes de puissance dite de source (t1, t2, t3) et du coté opposé les bornes de puissance dites de charge (U, V, W). Module according to claim 1 or 2, characterized in that the module is inverter type and has on one side the so-called source power terminals (t1, t2, t3) and on the opposite side, the so-called load power terminals (U, V, W). Module selon la revendication 1 ou 2, caractérisé par le fait que le module est du type démarrage étoile- triangle, distribution ou changement de vitesse et comporte d'un coté les bornes de puissance dites de source (t1, t2, t3) et du côté opposé les bornes de puissance dites de charge (U, V, W) pour un premier type de fonctionnement et les bornes de puissance dite de charge (u, v, w) pour le second type de fonctionnement.Module according to claim 1 or 2, characterized in that the module is star-delta start-up, distribution or gear change type and includes a on the side of the so-called source power terminals (t1, t2, t3) and on the opposite side the terminals of so-called load power (U, V, W) for a first type of operation and the terminals so-called load power (u, v, w) for the second type of operation. Module selon la revendication 1 ou 2, caractérisé par le fait que chacun des pôles de commutation (C1, C2, C3) est à effet de boucle.Module according to claim 1 or 2, characterized in that each of the switching poles (C1, C2, C3) has a loop effect. Module selon la revendication 8, caractérisé par le fait que chacun des pôles de commutation (C1, C2, C3) est constitué par un porte contact (Pc) portant deux conducteurs parallèles (Cm1, Cm2) en forme de boucles portant les contacts mobiles (P1, P2) et connectés à une borne (t1, Tt2, t3), ledit porte-contact oscillant autour d'un axe (A A') entre deux conducteurs (Cf1, Cf2) en forme de boucle et portant les contacts fixes (P3, P4) et réunis à des bornes (U, V, W).Module according to claim 8, characterized in that each of the poles of switching (C1, C2, C3) consists of a contact carrier (Pc) carrying two parallel conductors (Cm1, Cm2) in the form of loops carrying the movable contacts (P1, P2) and connected to a terminal (t1, Tt2, t3), said contact carrier oscillating around an axis (A A ') between two conductors (Cf1, Cf2) in the form of a loop and carrying the fixed contacts (P3, P4) and connected to terminals (U, V, W). Module selon la revendication 9, caractérisé par le fait que les conducteurs (Cf1, Cf2) associés aux contacts fixes sont connectés à des prolongements ou des conducteurs réalisant la fonction de contrôle de moteur et logés dans le boítier.Module according to claim 9, characterized in that the conductors (Cf1, Cf2) associated with the fixed contacts are connected to extensions or conductors performing the motor control function and housed in the housing. Module selon la revendication 9 ou 10, caractérisé par le fait que les conducteurs mobiles (Cm1, Cm2) associés aux contacts mobiles (P1, P2) sont distants l'un par rapport à l'autre de manière qu'un noyau magnétique (No) se loge entre eux.Module according to claim 9 or 10, characterized in that the mobile conductors (Cm1, Cm2) associated with the mobile contacts (P1, P2) are distant relative to each other so that a magnetic core (No) is housed between them. Module selon la revendication 11, caractérisé par le fait que le noyau magnétique (No) coopère avec des contreplaques (Cp1, Cp2) fixées à l'intérieur de la chambre de commutation logeant le pôle.Module according to claim 11, characterized in that the core magnetic (No) cooperates with plywoods (Cp1, Cp2) fixed inside the switching chamber housing the pole. Module selon la revendication 8 ou 9, caractérisé par le fait que les conducteurs mobiles (Lcm1, Lcm2) sont réunis par une liaison électrique souple (Tr) à une borne.Module according to claim 8 or 9, characterized in that the movable conductors (Lcm1, Lcm2) are joined by a flexible electrical connection (Tr) to a thick headed. Module selon la revendication 1 ou 2, caractérisé par le fait qu'il présente en face avant des bornes d'entrée de contrôle (A2, A1, A1', B1, B1') destinées à recevoir les ordres de commande du moteur et des bornes de sortie (SA1, S21, S22) coopérant avec l'appareil principal associé (Ap).Module according to claim 1 or 2, characterized in that it has front of the control input terminals (A2, A1, A1 ', B1, B1') intended to receive the motor and output terminal control commands (SA1, S21, S22) cooperating with the main associated device (Ap). Module selon l'une quelconque des revendications précédentes, caractérisé par le fait que l'électroaimant (E) de l'appareil principal (Ap) est de type bistable et manoeuvre un contact auxiliaire de verrouillage (Ve).Module according to any one of the preceding claims, characterized by the fact that the electromagnet (E) of the main device (Ap) is of the bistable type and operates an auxiliary locking contact (Ve). Module électromagnétique de commutation selon l'une quelconque des revendications précédentes, caractérisé par le fait que l'électroaimant de commutation (El) est de type bistable et manoeuvre au moins un contact auxiliaire (1a, 1b) contrôlant l'alimentation de la bobine (B) de cet électroaimant (El).Electromagnetic switching module according to any one of previous claims, characterized in that the switching electromagnet (El) is of the bistable type and operates at least one auxiliary contact (1a, 1b) controlling the supply of the coil (B) of this electromagnet (El).
EP20000401668 1999-06-18 2000-06-13 Multipolar electromagnetic switching module Expired - Lifetime EP1061541B1 (en)

Applications Claiming Priority (4)

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FR9907879A FR2795226B1 (en) 1999-06-18 1999-06-18 MULTIPOLAR SWITCHING MODULE
FR0005670A FR2795227B3 (en) 1999-06-18 2000-05-02 ELECTROMAGNETIC MULTIPOLAR SWITCHING APPARATUS
FR0005670 2000-05-02
FR9907879 2000-05-02

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DE10131926B4 (en) * 2000-07-03 2010-06-17 Schneider Electric Industries S.A. Control module for three-phase motors
FR2849713A1 (en) * 2003-01-06 2004-07-09 Schneider Electric Ind Sas Commutator pole for electromagnetic machine has two fixed conductors with movable contact carrier between and shunt between opposing conductors

Also Published As

Publication number Publication date
DZ3054A1 (en) 2004-03-27
ID26375A (en) 2000-12-21
DE60027819D1 (en) 2006-06-14
HU223173B1 (en) 2004-03-29
CA2312254A1 (en) 2000-12-18
DE60030627T2 (en) 2007-09-13
CA2312254C (en) 2008-10-07
FR2795227A1 (en) 2000-12-22
ATE339772T1 (en) 2006-10-15
CN1148766C (en) 2004-05-05
NO20003152D0 (en) 2000-06-16
MA25289A1 (en) 2001-12-31
FR2795227B3 (en) 2001-07-20
DE60027819T2 (en) 2006-11-02
DE60030627D1 (en) 2006-10-26
CN1291780A (en) 2001-04-18
US6472837B1 (en) 2002-10-29
AU4090100A (en) 2000-12-21
US6304049B1 (en) 2001-10-16
TW484155B (en) 2002-04-21
HUP0002283A2 (en) 2001-02-28
AU770846B2 (en) 2004-03-04
TR200001848A2 (en) 2001-01-22
HUP0002283A3 (en) 2001-06-28
EP1061542B1 (en) 2006-05-10
NO318941B1 (en) 2005-05-30
EP1061542A1 (en) 2000-12-20
RU2219616C2 (en) 2003-12-20
JP4472123B2 (en) 2010-06-02
MY125529A (en) 2006-08-30
ES2267474T3 (en) 2007-03-16
HU0002283D0 (en) 2000-08-28
EP1061541B1 (en) 2006-09-13
AR024383A1 (en) 2002-10-02
NO20003152L (en) 2000-12-19
TR200001848A3 (en) 2001-01-22
BRPI0002689B1 (en) 2016-05-31
TNSN00135A1 (en) 2002-05-30
BR0002689A (en) 2001-01-30
JP2001057798A (en) 2001-02-27

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