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EP1843377A1 - Magnetic actuator for a relay - Google Patents

Magnetic actuator for a relay Download PDF

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Publication number
EP1843377A1
EP1843377A1 EP07001241A EP07001241A EP1843377A1 EP 1843377 A1 EP1843377 A1 EP 1843377A1 EP 07001241 A EP07001241 A EP 07001241A EP 07001241 A EP07001241 A EP 07001241A EP 1843377 A1 EP1843377 A1 EP 1843377A1
Authority
EP
European Patent Office
Prior art keywords
relay
magnetic drive
armature
contact spring
contact
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
EP07001241A
Other languages
German (de)
French (fr)
Other versions
EP1843377B1 (en
Inventor
Rainer Schmelz
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.)
Gruner AG
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Gruner AG
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Filing date
Publication date
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Publication of EP1843377A1 publication Critical patent/EP1843377A1/en
Application granted granted Critical
Publication of EP1843377B1 publication Critical patent/EP1843377B1/en
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Classifications

    • 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
    • H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
    • H01H50/642—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement intermediate part being generally a slide plate, e.g. a card
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2227—Polarised relays in which the movable part comprises at least one permanent magnet, sandwiched between pole-plates, each forming an active air-gap with parts of the stationary magnetic circuit
    • 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
    • H01H50/645—Driving arrangements between movable part of magnetic circuit and contact intermediate part making a resilient or flexible connection
    • H01H50/646—Driving arrangements between movable part of magnetic circuit and contact intermediate part making a resilient or flexible connection intermediate part being a blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature

Definitions

  • the invention relates to a magnetic drive with a umpolbaren magnetic coil, with a permanent magnet having an armature which is pivotally supported on two yoke legs of the solenoid between two switching positions, and with a parallel to the coil axis slidably guided actuator which is coupled in motion with the armature, and a relay with such a magnetic drive.
  • a relay with such a magnetic drive is for example by the DE 101 62 585 C1 or DE 102 49 697 B3 known.
  • a circuit between two electrical relay contacts is closed or interrupted by means of two parallel contact springs.
  • the contact springs are connected via a displaceable actuating element in conjunction with a permanent magnet of a H-armature, which is pivotally supported on two yoke legs of a magnetic coil.
  • the permanent magnet When reversing the magnetic coil pivots the permanent magnet, whereby the actuator is moved.
  • the actuating element engages behind the contact springs in their deflection direction, they are thereby deflected out of their closed rest position so that the circuit is interrupted.
  • the free ends of the contact springs are subjected to force in the direction of the closed end position in each case by a leaf spring, which is attached to the respective contact spring and is supported with its free end on the actuating element.
  • the actuator is slidably guided in housing parts of the relay housing, so that external stresses of the relay housing can be transferred to functional points of the control element and can lead to malfunction of the relay.
  • the magnetic drive is a magnetic drive with a magnetic coil and a magnetic circuit whose pivotable armature reverses depending on the coil energization and remains in the defined end positions by the pre-embossed magnetic field of the permanent magnet.
  • This unit is provided with attached to the yoke legs side cheeks, which have the rocker bearing of the armature and the guidance and fixing of the displaceable actuating element.
  • the side cheeks can also be attached to the bobbin of the solenoid.
  • the magnetic drive according to the invention is decoupled from outer housing parts, which can otherwise transmit external stresses to functional points of the actuating element.
  • the inventive Magnetic drive also allows a prefixed unit pre-testing and simplified assembly.
  • the invention also relates to a relay having at least one, in each case the circuit between a first and a second relay contact closing or interrupting contact spring, one end of each is conductively connected to the first relay contact and the other, free end of the circuit in a first relay position the contact spring is closed or interrupted in a second relay position of the contact spring, and with a magnetic drive constructed as above for deflecting the contact spring in the respective relay position.
  • the magnetic drive is mounted on a bottom plate of the relay housing to which a cap of the relay housing can be attached.
  • the actuator of the magnetic drive from the relay housing in particular from the bottom plate and the cap, decoupled, so that no external tension can be transferred to functional points of the actuating element.
  • the in Figs. 1 to 4 illustrated relay 1 comprises two relay contacts 2 , 3 and two the circuit between the two relay contacts 2 , 3 closing or interrupting parallel contact springs 4 , which are designed as electrically conductive leaf or flat spring.
  • the one ends of the contact springs 4 are electrically conductively attached to the upper relay contact 2 by means of a plurality of spot welds 5 , while the other, free ends 6 each carry a contact button 7 and are deflectable by means of a common magnetic drive 8 .
  • the contact springs 4 are deflected in the closed relay position shown in Fig. 3 down so that their contact buttons 7 abut each contact buttons 9 of the lower relay contact 3, and in the open relay position (not shown) so deflected upward that their contact buttons. 7 are lifted from the contact buttons 9 of the lower relay contact 3.
  • the magnetic drive 8 comprises a umpolbare magnetic coil 10 with a magnetic circuit, at the two yoke legs 11, an armature (armature rocker) 12 with a permanent magnet (not shown) is pivotally held.
  • the permanent magnet is arranged between two armature plates 13 , which rest in each case on the yoke legs 11 in the two switching positions of the armature 12.
  • the magnetic coil 10 and the pivotable between its two switching positions armature 12 form a H-anchor suit.
  • the armature 12 engages with a projecting arm 14 in an opening 15 of an actuating element 16 which is guided in the direction of deflection of the contact spring 4 linearly displaceable (double arrow 17 (Fig. 3)). That is, the armature 12 is articulated on the adjusting element 16.
  • each contact spring 4 At the free ends 6 of each contact spring 4, a leaf spring 18 is fastened from spring steel whose free end engages the adjusting element 16 each with a lateral, lower projection 19 and engages over with a lateral, upper projection 20 .
  • the actuator 16 takes with the two lower projections 19, the two contact springs 4 in the opening direction of the relay 1, ie upwards, and with the upper projections 20, the contact springs 4 in Closing direction of the relay 1, ie down, with.
  • the two contact springs 4 are motion-coupled to the adjusting element 16 in the opening and closing direction by means of the two leaf springs 18.
  • the contact springs 4 are each formed as a multilayer leaf spring with a laterally projecting from its plane arc portion 21 .
  • the magnetic field of the magnetic coil 10 is reversed, whereby the armature 12 is pivoted and the adjusting element 16 is displaced.
  • the actuating element 16 is displaced downward by the arm 14 pivoted downwards, whereby the contact springs 4 are deflected downwards over the leaf springs 18 until the contact buttons 4 of the lower relay contact 3 contact their contact buttons 4 are.
  • the contact pressure of the contact buttons 7 to the contact buttons 9 of the lower relay contact 3 is given by the pressure force of the actuator 16 compressed leaf springs 18.
  • the leaf springs 18 counteract the deflection of the contact springs 4 in the opening direction, which leads to a bounce-reduced closing of the relay 1.
  • the actuator 16 is displaced by the upwardly pivoted arm 14 upwards, whereby the contact springs 4 are taken from the lower projections 19 of the actuating element 16 and the contact buttons 7 are lifted from the contact buttons 9 of the lower relay contact 3.
  • the magnetic drive 8 further comprises two side cheeks 22 , which are laterally attached to both yoke legs 11.
  • the two yoke legs 11 each have lower and upper plug-in projections 23 on both sides and the side cheeks 22 corresponding lower and upper plug-in openings 24 .
  • Each yoke leg 11 is formed by the one leg of a U-shaped part, the other leg (not shown) is inserted into the longitudinal opening of the bobbin 25 .
  • the two side cheeks 22 each have lower and upper guides 26 on their mutually facing sides and a bearing opening 27 therebetween.
  • the actuator 16 is slidably guided between the two side cheeks 22 in the guides 26 and held captive, and the armature 12 is pivotally mounted with two-sided bearing pin 28 between the two side cheeks 22 in the bearing openings 27.
  • the two relay contacts 2, 3 and the magnetic drive 8 are mounted on a common bottom plate 29 of the relay housing.
  • the first relay contact 2 is inserted from above between side walls 30 of the bottom plate 29 and latched there by means of inside latches of the side walls 30.
  • the second relay contact 3 is inserted into a side insertion compartment 31 of the bottom plate 29.
  • On the bottom plate 29 is also a plug housing 32 for connection contacts 33 of the magnetic coil 10 is provided.
  • the relay contacts 2, 3 and the magnetic drive 8 are covered with a cap 34 which is latched to the bottom cap 29 via outside notches 35 of the side walls 30.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Breakers (AREA)
  • Tumbler Switches (AREA)
  • Relay Circuits (AREA)

Abstract

The drive has a pole changing magnetic coil (10), and an armature (12) that is pivotably held at two yoke side pieces (11) of a magnetic coil. The armature is pivotable between two switching positions. An adjusting unit (16) is movably guided parallel to a coil axis, and is movably coupled with the armature. Two side walls (22) are attached to both the yoke side pieces or to a coil body of the magnetic coil. The adjusting unit is movably held between the side walls, and the armature is pivotably supported in the side walls.

Description

Die Erfindung betrifft einen Magnetantrieb mit einer umpolbaren Magnetspule, mit einem einen Permanentmagneten aufweisenden Anker, der an zwei Jochschenkeln der Magnetspule zwischen zwei Schaltstellungen verschwenkbar gehalten ist, und mit einem parallel zur Spulenachse verschiebbar geführten Stellelement, das mit dem Anker bewegungsgekoppelt ist, sowie ein Relais mit einem solchen Magnetantrieb.The invention relates to a magnetic drive with a umpolbaren magnetic coil, with a permanent magnet having an armature which is pivotally supported on two yoke legs of the solenoid between two switching positions, and with a parallel to the coil axis slidably guided actuator which is coupled in motion with the armature, and a relay with such a magnetic drive.

Ein Relais mit einem derartigen Magnetantrieb ist beispielsweise durch die DE 101 62 585 C1 oder DE 102 49 697 B3 bekannt geworden.A relay with such a magnetic drive is for example by the DE 101 62 585 C1 or DE 102 49 697 B3 known.

Bei diesem bekannten Relais wird ein Stromkreis zwischen zwei elektrischen Relaiskontakten mittels zweier paralleler Kontaktfedern geschlossen oder unterbrochen. Die Kontaktfedern stehen über ein verschiebbares Stellelement in Verbindung mit einem Permanentmagneten eines H-Ankers, der an zwei Jochschenkeln einer Magnetspule schwenkbar gehalten ist. Beim Umpolen der Magnetspule verschwenkt der Permanentmagnet, wodurch das Stellelement verschoben wird. Da das Stellelement die Kontaktfedern in deren Auslenkrichtung hintergreift, werden diese dabei aus ihrer geschlossenen Ruhelage ausgelenkt, so dass der Stromkreis unterbrochen ist. Die freien Enden der Kontaktfedern sind in Richtung auf die geschlossene Endposition jeweils durch eine Blattfeder kraftbeaufschlagt, die an der jeweiligen Kontaktfeder befestigt ist und sich mit ihrem freien Ende am Stellelement abstützt. Das Stellelement ist in Gehäuseteilen des Relaisgehäuses verschiebbar geführt, so dass äußere Verspannungen des Relaisgehäuses auf Funktionsstellen des Stellelementes übertragen werden und zu Funktionsstörungen des Relais führen können.In this known relay, a circuit between two electrical relay contacts is closed or interrupted by means of two parallel contact springs. The contact springs are connected via a displaceable actuating element in conjunction with a permanent magnet of a H-armature, which is pivotally supported on two yoke legs of a magnetic coil. When reversing the magnetic coil pivots the permanent magnet, whereby the actuator is moved. Since the actuating element engages behind the contact springs in their deflection direction, they are thereby deflected out of their closed rest position so that the circuit is interrupted. The free ends of the contact springs are subjected to force in the direction of the closed end position in each case by a leaf spring, which is attached to the respective contact spring and is supported with its free end on the actuating element. The actuator is slidably guided in housing parts of the relay housing, so that external stresses of the relay housing can be transferred to functional points of the control element and can lead to malfunction of the relay.

Es ist die Aufgabe der Erfindung, hier Abhilfe zu schaffen.It is the object of the invention to remedy this situation.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass an den beiden Jochschenkeln oder am Spulenkörper der Magnetspule zwei Seitenwangen befestigt sind, zwischen denen das Stellelement verschiebbar geführt gehalten ist und in denen der Anker schwenkbar gelagert ist.This object is achieved in that two side cheeks are attached to the two yoke legs or on the bobbin of the solenoid, between which the actuator is held displaceably guided and in which the armature is pivotally mounted.

Im Wesentlichen handelt es sich um einen Magnetantrieb mit einer Magnetspule und einem Magnetkreis, dessen verschwenkbarer Anker sich je nach Spulenbestromung umpolt und durch das vorgeprägte Magnetfeld des Permanentmagneten in den definierten Endlagen verharrt. Diese Einheit ist mit an den Jochschenkeln aufgesteckten Seitenwangen versehen, welche die Wippenlagerung des Ankers sowie die Führung und Fixierung des verschiebbaren Stellelements aufweisen. Alternativ können die Seitenwangen auch an den Spulenkörper der Magnetspule aufgesteckt werden. Dadurch ist der erfindungsgemäße Magnetantrieb von äußeren Gehäuseteilen entkoppelt, die ansonsten äußere Verspannungen auf Funktionsstellen des Stellelementes übertragen können. Der erfindungsgemäße Magnetantrieb ermöglicht weiterhin als vorfixierte Einheit eine Vorprüfung und eine vereinfachte Montage.Essentially, it is a magnetic drive with a magnetic coil and a magnetic circuit whose pivotable armature reverses depending on the coil energization and remains in the defined end positions by the pre-embossed magnetic field of the permanent magnet. This unit is provided with attached to the yoke legs side cheeks, which have the rocker bearing of the armature and the guidance and fixing of the displaceable actuating element. Alternatively, the side cheeks can also be attached to the bobbin of the solenoid. As a result, the magnetic drive according to the invention is decoupled from outer housing parts, which can otherwise transmit external stresses to functional points of the actuating element. The inventive Magnetic drive also allows a prefixed unit pre-testing and simplified assembly.

Die Erfindung betrifft auch ein Relais mit mindestens einer, jeweils den Stromkreis zwischen einem ersten und einem zweiten Relaiskontakt schließenden oder unterbrechenden Kontaktfeder, deren eines Ende jeweils leitend mit dem ersten Relaiskontakt verbunden ist und über deren anderes, freies Ende jeweils der Stromkreis in einer ersten Relaisposition der Kontaktfeder geschlossen oder in einer zweiten Relaisposition der Kontaktfeder unterbrochen ist, und mit einem wie oben ausgebildeten Magnetantrieb zum Auslenken der Kontaktfeder in die jeweilige Relaisposition.The invention also relates to a relay having at least one, in each case the circuit between a first and a second relay contact closing or interrupting contact spring, one end of each is conductively connected to the first relay contact and the other, free end of the circuit in a first relay position the contact spring is closed or interrupted in a second relay position of the contact spring, and with a magnetic drive constructed as above for deflecting the contact spring in the respective relay position.

Vorzugsweise ist der Magnetantrieb auf einer Bodenplatte des Relaisgehäuses befestigt, an der auch eine Abdeckkappe des Relaisgehäuses befestigt sein kann. Erfindungsgemäß ist das Stellelement des Magnetantriebs vom Relaisgehäuse, insbesondere von der Bodenplatte und der Abdeckkappe, entkoppelt, so dass keine äußeren Verspannungen auf Funktionsstellen des Stellelementes übertragen werden können.Preferably, the magnetic drive is mounted on a bottom plate of the relay housing to which a cap of the relay housing can be attached. According to the actuator of the magnetic drive from the relay housing, in particular from the bottom plate and the cap, decoupled, so that no external tension can be transferred to functional points of the actuating element.

Weitere Vorteile und vorteilhafte Ausgestaltungen des Gegenstands der Erfindung sind der Beschreibung, der Zeichnung und den Ansprüchen entnehmbar. Ebenso können die vorstehend genannten und die noch weiter aufgeführten Merkmale erfindungsgemäß jeweils einzeln für sich oder zu mehreren in beliebigen Kombinationen Verwendung finden. Die gezeigte und beschriebene Ausführungsform ist nicht als abschließende Aufzählung zu verstehen, sondern hat vielmehr beispielhaften Charakter für die Schilderung der Erfindung.Further advantages and advantageous embodiments of the subject invention are the description, the drawings and claims removed. Likewise, the features mentioned above and those listed further in accordance with the invention can each be used individually for themselves or for several in any desired combinations. The embodiment shown and described is not to be understood as an exhaustive list, but rather has exemplary character for the description of the invention.

Es zeigt:

Fig. 1
das erfindungsgemäße Relais in einer Explosionsdarstellung;
Fig. 2
eine perspektivische Seitenansicht des in Fig. 1 gezeigten Relais ohne Abdeckkappe;
Fig. 3
eine Seitenansicht des in Fig. 1 gezeigten Relais in der geschlossenen Relaisposition ohne Abdeckkappe; und
Fig. 4
eine Draufsicht auf das in Fig. 2 gezeigte Relais.
It shows:
Fig. 1
the relay according to the invention in an exploded view;
Fig. 2
a side perspective view of the relay shown in Figure 1 without cap.
Fig. 3
a side view of the relay shown in Figure 1 in the closed relay position without cap. and
Fig. 4
a plan view of the relay shown in Fig. 2.

Das in den Fign. 1 bis 4 dargestellte Relais 1 umfasst zwei Relaiskontakte 2, 3 und zwei den Stromkreis zwischen den beiden Relaiskontakten 2, 3 schließende oder unterbrechende parallele Kontaktfedern 4, welche als elektrisch leitende Blatt- oder Flachfeder ausgebildet sind. Die einen Enden der Kontaktfedern 4 sind elektrisch leitend am oberen Relaiskontakt 2 mittels mehrerer Punktschweißungen 5 befestigt, während die anderen, freien Enden 6 jeweils einen Kontaktknopf 7 tragen und mittels eines gemeinsamen Magnetantriebs 8 auslenkbar sind. Die Kontaktfedern 4 sind in der in Fig. 3 gezeigten geschlossenen Relaisposition derart nach unten ausgelenkt, dass ihre Kontaktknöpfe 7 jeweils an Kontaktknöpfen 9 des unteren Relaiskontakts 3 anliegen, und in der offenen Relaisposition (nicht gezeigt) derart nach oben ausgelenkt, dass ihre Kontaktknöpfe 7 von den Kontaktknöpfen 9 des unteren Relaiskontakts 3 abgehoben sind.The in Figs. 1 to 4 illustrated relay 1 comprises two relay contacts 2 , 3 and two the circuit between the two relay contacts 2 , 3 closing or interrupting parallel contact springs 4 , which are designed as electrically conductive leaf or flat spring. The one ends of the contact springs 4 are electrically conductively attached to the upper relay contact 2 by means of a plurality of spot welds 5 , while the other, free ends 6 each carry a contact button 7 and are deflectable by means of a common magnetic drive 8 . The contact springs 4 are deflected in the closed relay position shown in Fig. 3 down so that their contact buttons 7 abut each contact buttons 9 of the lower relay contact 3, and in the open relay position (not shown) so deflected upward that their contact buttons. 7 are lifted from the contact buttons 9 of the lower relay contact 3.

Der Magnetantrieb 8 umfasst eine umpolbare Magnetspule 10 mit einem Magnetkreis, an dessen zwei Jochschenkeln 11 ein Anker (Ankerwippe) 12 mit einem Permanentmagneten (nicht gezeigt) schwenkbar gehalten ist. Der Permanentmagnet ist zwischen zwei Ankerplatten 13 angeordnet, die in den beiden Schaltstellungen des Ankers 12 jeweils an den Jochschenkeln 11 anliegen. Die Magnetspule 10 und der zwischen seinen beiden Schaltstellungen verschwenkbare Anker 12 bilden einen H-Ankeranzug. Der Anker 12 greift mit einem vorstehenden Arm 14 in eine Öffnung 15 eines Stellelements 16 ein, das in Auslenkrichtung der Kontaktfeder 4 linear verschiebbar (Doppelpfeil 17 (Fig. 3)) geführt ist. D.h., der Anker 12 ist am Stellelement 16 angelenkt. An den freien Enden 6 jeder Kontaktfeder 4 ist eine Blattfeder 18 aus Federstahl befestigt, deren freies Ende das Stellelement 16 jeweils mit einem seitlichen, unteren Vorsprung 19 untergreift und mit einem seitlichen, oberen Vorsprung 20 übergreift. Das Stellelement 16 nimmt mit den beiden unteren Vorsprüngen 19 die beiden Kontaktfedern 4 in Öffnungsrichtung des Relais 1, d.h. nach oben, und mit den oberen Vorsprüngen 20 die Kontaktfedern 4 in Schließrichtung des Relais 1, d.h. nach unten, mit. Mit anderen Worten sind die beiden Kontaktfedern 4 mit dem Stellelement 16 in Öffnungs- und Schließrichtung mittels der beiden Blattfedern 18 bewegungsgekoppelt. Die Kontaktfedern 4 sind jeweils als eine mehrschichtige Blattfeder mit einem seitlich aus ihrer Ebene vorstehenden Bogenabschnitt 21 ausgebildet.The magnetic drive 8 comprises a umpolbare magnetic coil 10 with a magnetic circuit, at the two yoke legs 11, an armature (armature rocker) 12 with a permanent magnet (not shown) is pivotally held. The permanent magnet is arranged between two armature plates 13 , which rest in each case on the yoke legs 11 in the two switching positions of the armature 12. The magnetic coil 10 and the pivotable between its two switching positions armature 12 form a H-anchor suit. The armature 12 engages with a projecting arm 14 in an opening 15 of an actuating element 16 which is guided in the direction of deflection of the contact spring 4 linearly displaceable (double arrow 17 (Fig. 3)). That is, the armature 12 is articulated on the adjusting element 16. At the free ends 6 of each contact spring 4, a leaf spring 18 is fastened from spring steel whose free end engages the adjusting element 16 each with a lateral, lower projection 19 and engages over with a lateral, upper projection 20 . The actuator 16 takes with the two lower projections 19, the two contact springs 4 in the opening direction of the relay 1, ie upwards, and with the upper projections 20, the contact springs 4 in Closing direction of the relay 1, ie down, with. In other words, the two contact springs 4 are motion-coupled to the adjusting element 16 in the opening and closing direction by means of the two leaf springs 18. The contact springs 4 are each formed as a multilayer leaf spring with a laterally projecting from its plane arc portion 21 .

Zum Schalten des Relais 1 wird das Magnetfeld der Magnetspule 10 umgepolt, wodurch der Anker 12 verschwenkt und das Stellelement 16 verschoben wird. In der geschlossenen Relaisposition (Fig. 3) ist das Stellelement 16 durch den nach unten geschwenkten Arm 14 nach unten verschoben, wodurch über die Blattfedern 18 auch die Kontaktfedern 4 nach unten bis zur Anlage ihrer Kontaktknöpfe 4 an den Kontaktknöpfen 9 des unteren Relaiskontakts 3 ausgelenkt sind. Der Anpressdruck der Kontaktknöpfe 7 an die Kontaktknöpfe 9 des unteren Relaiskontakts 3 ist durch die Druckkraft der vom Stellelement 16 zusammengedrückten Blattfedern 18 gegeben. In der geschlossenen Relaisposition wirken die Blattfedern 18 der Auslenkung der Kontaktfedern 4 in Öffnungsrichtung entgegen, was zu einem prellreduzierten Schließen des Relais 1 führt. In der offenen Relaisposition ist das Stellelement 16 durch den nach oben geschwenkten Arm 14 nach oben verschoben, wodurch die Kontaktfedern 4 von den unteren Vorsprüngen 19 des Stellelements 16 mitgenommen und die Kontaktknöpfe 7 von den Kontaktknöpfen 9 des unteren Relaiskontakts 3 abgehoben sind.For switching the relay 1, the magnetic field of the magnetic coil 10 is reversed, whereby the armature 12 is pivoted and the adjusting element 16 is displaced. In the closed relay position (FIG. 3), the actuating element 16 is displaced downward by the arm 14 pivoted downwards, whereby the contact springs 4 are deflected downwards over the leaf springs 18 until the contact buttons 4 of the lower relay contact 3 contact their contact buttons 4 are. The contact pressure of the contact buttons 7 to the contact buttons 9 of the lower relay contact 3 is given by the pressure force of the actuator 16 compressed leaf springs 18. In the closed relay position, the leaf springs 18 counteract the deflection of the contact springs 4 in the opening direction, which leads to a bounce-reduced closing of the relay 1. In the open relay position, the actuator 16 is displaced by the upwardly pivoted arm 14 upwards, whereby the contact springs 4 are taken from the lower projections 19 of the actuating element 16 and the contact buttons 7 are lifted from the contact buttons 9 of the lower relay contact 3.

Der Magnetantrieb 8 umfasst weiterhin zwei Seitenwangen 22, die seitlich jeweils auf beide Jochschenkel 11 aufgesteckt sind. Dazu weisen die beiden Jochschenkel 11 jeweils beidseitig untere und obere Steckvorsprünge 23 und die Seitenwangen 22 entsprechende untere und obere Stecköffnungen 24 auf. Jeder Jochschenkel 11 ist durch den einen Schenkel eines U-förmigen Teils gebildet, dessen anderer Schenkel (nicht gezeigt) in die Längsöffnung des Spulenkörpers 25 eingesteckt ist. Die beiden Seitenwangen 22 weisen auf ihren einander zugewandten Seiten jeweils untere und obere Führungen 26 und dazwischen eine Lageröffnung 27 auf. Das Stellelement 16 ist zwischen den beiden Seitenwangen 22 in den Führungen 26 verschiebbar geführt und unverlierbar gehalten, und der Anker 12 ist mit beidseitigen Lagerzapfen 28 zwischen den beiden Seitenwangen 22 in den Lageröffnungen 27 schwenkbar gelagert.The magnetic drive 8 further comprises two side cheeks 22 , which are laterally attached to both yoke legs 11. For this purpose, the two yoke legs 11 each have lower and upper plug-in projections 23 on both sides and the side cheeks 22 corresponding lower and upper plug-in openings 24 . Each yoke leg 11 is formed by the one leg of a U-shaped part, the other leg (not shown) is inserted into the longitudinal opening of the bobbin 25 . The two side cheeks 22 each have lower and upper guides 26 on their mutually facing sides and a bearing opening 27 therebetween. The actuator 16 is slidably guided between the two side cheeks 22 in the guides 26 and held captive, and the armature 12 is pivotally mounted with two-sided bearing pin 28 between the two side cheeks 22 in the bearing openings 27.

Die beiden Relaiskontakte 2, 3 und der Magnetantrieb 8 sind auf einer gemeinsamen Bodenplatte 29 des Relaisgehäuses befestigt. Der erste Relaiskontakt 2 ist von oben zwischen Seitenwänden 30 der Bodenplatte 29 eingeführt und dort mittels innenseitiger Rasten der Seitenwände 30 verrastet. Der zweite Relaiskontakt 3 ist in ein seitliches Einschubfach 31 der Bodenplatte 29 eingesteckt. An der Bodenplatte 29 ist auch noch ein Steckergehäuse 32 für Anschlusskontakte 33 der Magnetspule 10 vorgesehen. Die Relaiskontakte 2, 3 und der Magnetantrieb 8 sind mit einer Abdeckkappe 34 abgedeckt, die mit der Bodenkappe 29 über außenseitige Rasten 35 der Seitenwände 30 verrastet ist.The two relay contacts 2, 3 and the magnetic drive 8 are mounted on a common bottom plate 29 of the relay housing. The first relay contact 2 is inserted from above between side walls 30 of the bottom plate 29 and latched there by means of inside latches of the side walls 30. The second relay contact 3 is inserted into a side insertion compartment 31 of the bottom plate 29. On the bottom plate 29 is also a plug housing 32 for connection contacts 33 of the magnetic coil 10 is provided. The relay contacts 2, 3 and the magnetic drive 8 are covered with a cap 34 which is latched to the bottom cap 29 via outside notches 35 of the side walls 30.

Claims (12)

Magnetantrieb (8) mit einer umpolbaren Magnetspule (10), mit einem einen Permanentmagneten aufweisenden Anker (12), der an zwei Jochschenkeln (11) der Magnetspule (10) zwischen zwei Schaltstellungen verschwenkbar gehalten ist, und mit einem parallel zur Spulenachse verschiebbar geführten Stellelement (16), das mit dem Anker (12) bewegungsgekoppelt ist,
dadurch gekennzeichnet,
dass an den beiden Jochschenkeln (11) oder am Spulenkörper (25) der Magnetspule (10) zwei Seitenwangen (22) befestigt sind, zwischen denen das Stellelement (16) verschiebbar geführt gehalten ist und in denen der Anker (12) schwenkbar gelagert ist.Magnetic drive (8) with a umpolbaren magnetic coil (10), having a permanent magnet armature (12) which is pivotally mounted on two yoke legs (11) of the magnetic coil (10) between two switching positions, and with a parallel to the coil axis slidably guided actuator (16), which is motion-coupled to the armature (12),
characterized,
that on the two yoke legs (11) or on the bobbin (25) of the magnetic coil (10) has two side cheeks (22) are fastened, between which the adjusting element (16) is held displaceably guided and in which the armature (12) is pivotally mounted. Magnetantrieb nach Anspruch 1, dadurch gekennzeichnet, dass die Seitenwangen (22) an die beiden Jochschenkel (11) oder an den Spulenkörper (25) der Magnetspule (10) aufgesteckt sind.Magnetic drive according to claim 1, characterized in that the side cheeks (22) are attached to the two yoke legs (11) or to the bobbin (25) of the magnetic coil (10). Magnetantrieb nach Anspruch 2, dadurch gekennzeichnet, dass jede Seitenwange (22) jeweils an beide Jochschenkel (11) aufgesteckt ist.Magnetic drive according to claim 2, characterized in that each side cheek (22) is in each case attached to both yoke legs (11). Magnetantrieb nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die beiden Jochschenkel (11) jeweils beidseitig Steckvorsprünge (23) aufweisen.Magnetic drive according to claim 2 or 3, characterized in that the two yoke legs (11) each have on both sides plug-in projections (23). Magnetantrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jede Seitenwange (22) eine obere und eine untere Führung (26) für das Stellelement (16) und dazwischen eine Lagerung (27) für den Anker (12) aufweist.Magnetic drive according to one of the preceding claims, characterized in that each side cheek (22) has an upper and a lower guide (26) for the adjusting element (16) and therebetween a bearing (27) for the armature (12). Magnetantrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jeder Jochschenkel (11) durch den einen Schenkel eines U-förmigen Teils gebildet ist, dessen anderer Schenkel in eine Längsöffnung des Spulenkörpers (25) eingesteckt ist.Magnetic drive according to one of the preceding claims, characterized in that each yoke leg (11) is formed by the one leg of a U-shaped part, the other leg is inserted into a longitudinal opening of the bobbin (25). Relais (1) mit mindestens einer, jeweils den Stromkreis zwischen einem ersten und einem zweiten Relaiskontakt (2, 3) schließenden oder unterbrechenden Kontaktfeder (4), deren eines Ende jeweils leitend mit dem ersten Relaiskontakt (2) verbunden ist und über deren anderes, freies Ende (6) jeweils der Stromkreis in einer ersten Relaisposition der Kontaktfeder (4) geschlossen oder in einer zweiten Relaisposition der Kontaktfeder (4) unterbrochen ist, und mit einem Magnetantrieb (8) nach einem der vorhergehenden Ansprüche zum Auslenken der Kontaktfeder (4) in die jeweilige Relaisposition.Relay (1) having at least one contact spring (4), each closing and interrupting the circuit between a first and a second relay contact (2, 3), one end of which is in each case conductively connected to the first relay contact (2) and via the other, free end (6) in each case the circuit in a first relay position of the contact spring (4) is closed or interrupted in a second relay position of the contact spring (4), and with a magnetic drive (8) according to one of the preceding claims for deflecting the contact spring (4) in the respective relay position. Relais nach Anspruch 7, dadurch gekennzeichnet, dass die bzw. jede Kontaktfeder (4) mit dem Stellelement (16) des Magnetantriebs (8) in Öffnungs- und/oder Schließrichtung des Relais (1) bewegungsgekoppelt ist.Relay according to Claim 7, characterized in that the or each contact spring (4) is motion-coupled to the actuating element (16) of the magnetic drive (8) in the opening and / or closing direction of the relay (1). Relais nach Anspruch 8, dadurch gekennzeichnet, dass die bzw. jede Kontaktfeder (4) in ihrer Auslenkrichtung vom Stellelement (16) unter- und/oder übergriffen ist.Relay according to Claim 8, characterized in that the or each contact spring (4) in its deflection direction of the actuating element (16) under and / or overlapped. Relais nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass die bzw. jede Kontaktfeder (4) mit dem Stellelement (16) mittels einer an der Kontaktfeder (4) befestigten Zusatzfeder (18) bewegungsgekoppelt ist.Relay according to one of claims 7 to 9, characterized in that the or each contact spring (4) with the adjusting element (16) by means of a to the contact spring (4) fixed auxiliary spring (18) is coupled for movement. Relais nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass der Magnetantrieb (8) auf einer Bodenplatte (29) des Relaisgehäuses befestigt ist.Relay according to one of claims 7 to 10, characterized in that the magnetic drive (8) is mounted on a bottom plate (29) of the relay housing. Relais nach Anspruch 11, dadurch gekennzeichnet, dass eine Abdeckkappe (34) des Relaisgehäuses an der Bodenplatte (29) befestigt ist.Relay according to Claim 11, characterized in that a cover cap (34) of the relay housing is fastened to the base plate (29).
EP07001241A 2006-04-03 2007-01-20 Magnetic actuator for a relay Active EP1843377B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006015815A DE102006015815B3 (en) 2006-04-03 2006-04-03 Magnetic drive for use in relay, has two side walls attached to yoke side pieces or to coil body of magnetic coil, and adjusting unit movably held between side walls, and armature pivotably supported in side walls

Publications (2)

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EP1843377A1 true EP1843377A1 (en) 2007-10-10
EP1843377B1 EP1843377B1 (en) 2009-03-18

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ES (1) ES2320809T3 (en)

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US8203403B2 (en) 2009-08-27 2012-06-19 Tyco Electronics Corporation Electrical switching devices having moveable terminals
US8222981B1 (en) 2011-01-18 2012-07-17 Tyco Electronics Corporation Electrical switching device
US8564386B2 (en) 2011-01-18 2013-10-22 Tyco Electronics Corporation Electrical switching device
CN112424899A (en) * 2018-04-24 2021-02-26 菲尼克斯电气公司 Relay with a movable contact

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EP2131377A1 (en) * 2008-06-04 2009-12-09 Gruner AG Relay with double bow roller
US7889032B2 (en) * 2008-07-16 2011-02-15 Tyco Electronics Corporation Electromagnetic relay

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DE9320696U1 (en) * 1993-07-15 1994-11-24 W. Gruner Gmbh Relaisfabrik, 78564 Wehingen Relay for switching high currents
DE10249697B3 (en) * 2002-10-25 2004-04-15 Gruner Ag Electromagnetic relay with 2 parallel contact springs held in contact closed position via respective ends of flat spring pivoted at its centre

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8203403B2 (en) 2009-08-27 2012-06-19 Tyco Electronics Corporation Electrical switching devices having moveable terminals
US8222981B1 (en) 2011-01-18 2012-07-17 Tyco Electronics Corporation Electrical switching device
US8564386B2 (en) 2011-01-18 2013-10-22 Tyco Electronics Corporation Electrical switching device
CN112424899A (en) * 2018-04-24 2021-02-26 菲尼克斯电气公司 Relay with a movable contact
CN112424899B (en) * 2018-04-24 2023-12-01 菲尼克斯电气公司 Relay device

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ATE426242T1 (en) 2009-04-15
DE102006015815B3 (en) 2007-09-06
ES2320809T3 (en) 2009-05-28
DE502007000516D1 (en) 2009-04-30
EP1843377B1 (en) 2009-03-18

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