EP0980579B1 - Relay with contact springs - Google Patents

Relay with contact springs Download PDF

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Publication number
EP0980579B1
EP0980579B1 EP98925482A EP98925482A EP0980579B1 EP 0980579 B1 EP0980579 B1 EP 0980579B1 EP 98925482 A EP98925482 A EP 98925482A EP 98925482 A EP98925482 A EP 98925482A EP 0980579 B1 EP0980579 B1 EP 0980579B1
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EP
European Patent Office
Prior art keywords
spring contact
contact
coil
armature
relay according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98925482A
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German (de)
French (fr)
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EP0980579A1 (en
Inventor
Leopold Mader
Rudolf Mikl
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Tyco Electronics Austria GmbH
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Tyco Electronics Austria GmbH
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Filing date
Publication date
Priority claimed from DE1997118985 external-priority patent/DE19718985C1/en
Application filed by Tyco Electronics Austria GmbH filed Critical Tyco Electronics Austria GmbH
Publication of EP0980579A1 publication Critical patent/EP0980579A1/en
Application granted granted Critical
Publication of EP0980579B1 publication Critical patent/EP0980579B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former

Definitions

  • DE-AS 20 39 939 is a contact unit for such a Relay known.
  • the aim of the present invention is to provide a relay of the input to create the kind mentioned that with contact springs in is equipped as simple as possible, these contact springs easy to manufacture and assemble should be so that the relay overall is particularly inexpensive can be produced.
  • this goal is achieved in that all Contact springs as flat leaf springs without permanent bending are formed and that the fixed contact spring on a Pre-tensioning of the base body by elastic deflection from its clamping plane.
  • the contact arrangement has in the simplest case as opener or as Closer is formed, only from a flat sheet stamped and in no way pre-bent contact springs, the due to the L-shaped design of at least one spring end overlap each other.
  • a preload of the fixed Contact spring at rest and a contact distance as far as it is is a work contact is by a stop of the base body on which the contact spring in question only due to the insertion in the base body is present and experiences a corresponding deflection.
  • the movable contact spring in turn is in the usual way the slider, by means of which, depending on Art of contact, also more or less out of her Plane can be deflected.
  • the contact springs very inexpensive and easy to manufacture because the respective spring characteristic not due to permanent bends the contact springs, but by the geometry of the base body with the stop, at least for the fixed contact spring, is achieved. With several contact springs of course, several different attempts to achieve this provided according to different preloads his.
  • a particularly simple design of the relay results when a coil body with two coil flanges is used as the base body serves, the contact springs approximately parallel are anchored to the coil axis in a first coil flange and the biasing stop on the second Coil flange is provided. Is particularly inexpensive the production especially when the fixed and the movable contact spring are identical, wherein they mirror each other in the common plane in the basic body can be used.
  • the magnet system has a T-shaped core, the Longitudinal leg extends axially through the coil former, a U-shaped armature on the side facing away from the contact springs Arranged side of the bobbin and with his Cross bar in the area of the first coil flange on the free End of the core longitudinal leg is mounted and the anchor actuated the slide with the free ends of its longitudinal arms.
  • a particularly simple design of the relay with few Sharing also results from the fact that the movable contact spring a restoring force on the Anchor exercises.
  • this is furthermore provided that the anchor has a fulcrum in the central area its longitudinal leg by the restoring force of the Contact spring is pressed into its storage at the core end.
  • This pivot point can be created without additional parts be that the anchor is molded on both sides Has shoulders attached to an inner edge of a case cap invest.
  • the movable contact spring Due to the shape of the return spring arm on a fixed one Contact spring, which is supported on the base body anyway is, the movable contact spring in its dimensions and spring properties only to generate the respective Contact pressure are formed. This is simple an NC or changeover contact can also be implemented. Besides the additional opening spring, there are no others Individual parts required; the movable contact spring and the Normally open contact spring can like without design change be used with the normally open relay.
  • the Return spring arm on the fixed break contact spring integrally formed, so that no overlap with the movable Contact spring occur and become the structurally simplest Solution results.
  • the relay shown in the drawing consists of a Coil body 1, a T-shaped or approximately M-shaped Core 2, a U-shaped anchor 3, a card-shaped slide 4, a fixed contact spring 5, a movable Contact spring 6, a cap 7 and two anchored in the coil body Coil connector pins 8.
  • the coil former 1 has an axial through opening 11 and a first flange 12 and a second flange 13, between which a winding 14 is applied. Face is an extension 14 for armature mounting on the coil flange 12 in one piece molded on, which merges into a base plate 15. On the approach 14 are limiting pins 16 for the anchor integrally formed, there are also slots in this approach 17 molded through the connecting elements 51 and 61 of the contact springs 5 and 6 through the base plate 15 vertically can be led outside. On the second coil flange 13 is also a stop lug 18 for the fixed contact spring 5 molded.
  • the T-shaped core 2 has a longitudinal leg 21 which in the through opening 11 of the coil body is inserted, and two cross legs 22, at the ends of each side arms 23 are attached parallel to the longitudinal leg 21.
  • the U-shaped Anchor 3 consists of two longitudinal arms 31 and one Crossbar 32, the latter on the free end portion 24th of the core 2 is stored and then in a recess between the first coil flange 12 and the base plate 15 lies. Through the two locking pins 16 of the base approach 14 which engage in corresponding recesses 33 in the armature, he is secured against lateral movements without that his switching movement would be hindered.
  • the free ends of the Longitudinal arms 31 are widened into hook-shaped pole ends 34, which encompass the second coil flange 13 and with the transverse legs 22 and their side arms 23 of the core two parallel Form working air gaps.
  • the fixed contact spring 5 and the movable contact spring 6 are with their connecting elements 51 and 61, which are integrally formed or fastened in a known manner, anchored in the plug-in slots 17 of the base attachment 14. in the The present example is the two contact springs 5 and 6 executed identically and provided with contacts 52 and 62 respectively.
  • the mutual overlap for contacting results through an L-shaped bend on their movable, contact-making End up.
  • the contact springs 5 and 6 are only made of one without bending Cut flat sheet metal and into the coil body plugged in.
  • the mutual offset of their contact Ends only result from the geometry of the coil body or the slider 4.
  • This slider lies between the Coil flange 13 and the transverse legs 22 of the core. He owns a recess 41 through which the longitudinal core leg 21 is put through.
  • After assembling the parts lies the L-shaped bent end portion 63 of the movable contact spring 6 on the stop lug 18 of the bobbin 1 and receives its resting tension.
  • the cap 7 After assembling the individual parts described, the cap 7 put over the relay. It forms with the base plate 15 a closed housing. As can be seen from Figure 4 the cap 7 has a ventilation hole in the area of its upper side 71 on that in an inward protruding approach 72 flows. The latter approach forms an additional guide for the slide 4. As can also be seen from FIG. 4, the armature 3 over the slide 4 by the restoring force the working contact spring 6 biased to its rest position. Lateral shoulders 35 of the anchor abut ribs 72 the cap, thereby forming a pivot point 73 for the anchor becomes. About this fulcrum 73 is due to the leverage the stored end or the crossbar 32 of the anchor in the storage and pressed against the end portion 24 of the core. Thereby reproducible flow transition ratios result in the anchor position and a correspondingly low response excitation.
  • the changeover relay shown in Figures 5 to 7 consists of a bobbin 1, a T-shaped or approximately T-shaped Core 2, a U-shaped anchor, a card-shaped Slider 4, a fixed NO contact spring 5, one movable contact spring 6, a fixed break contact spring 9, a cap 7 and two anchored in the coil body Coil connection pins 8.
  • the break contact spring 9 is in a slot 19 of the Base plate 15 attached. While the two contact springs 5 and 6 with their sheet metal levels in a common level in the Plug slots 17 are attached, the sheet metal level of the contact spring 9 in the slot 19 compared to the former slightly offset, but arranged parallel to it. All contact springs are with side flaps 55 or 65 and 95 provided with which they are on the top of the respective plug slots 17 and 19 abut while on the Underside each of bending tabs 56, 66 and 96 as a fuse can be deformed.
  • the contact springs 5 and 6 are also in this case without bending just cut from a flat sheet metal plate and inserted into the bobbin.
  • the fixed break contact spring 9 is also cut from a flat sheet metal plate and in the bobbin, namely the slot 19, inserted. It has a contact 92 which is movable Contact 62 faces. It is also on the break contact spring 9 a return spring arm in the same plane 94 molded on by the actual break contact spring is decoupled, projects beyond its free end and acts as a return spring.
  • the L-shape is bent End section 53 of the fixed NO contact spring 5 on the stop lug 18 of the bobbin 1 and thus receives his resting bias.
  • the L-shaped curve lies End portion 63 of the movable contact spring 6 on one Actuating nose 43 of the slide 4.
  • the slider will also via a guide lug 42 in an opening 64 of the Contact spring 6 out.
  • the slide has one additional stop lug 44 on which the return spring arm 94 rests and the anchor in its rest position via the slide preloaded.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Push-Button Switches (AREA)
  • Insulated Conductors (AREA)
  • Relay Circuits (AREA)
  • Contacts (AREA)

Abstract

The relay has a base body, an electromagnet system having a coil, core and armature, as well as a contact arrangement having at least one stationary contact spring and at least one moving contact spring. The contact springs are each designed as planar sheet-metal parts and are anchored in the base body approximately in the same plane, without any permanent bending. In order to make contact, they are provided with an overlap by means of L-shaped end sections; in addition, prestressing of the stationary contact springs is produced by in each case one stop on the base body.

Description

Die Erfindung betrifft ein Relais mit

  • einem Grundkörper,
  • einem mit dem Grundkörper verbundenen Elektromagnetsystem mit einer Spule, einem Kern und einem Anker und
  • einer Kontaktanordnung mit mindestens einer feststehenden Kontaktfeder und mindestens einer beweglichen Kontaktfeder, welche zumindest annähernd in einer gemeinsamen Ebene nebeneinander in dem Grundkörper verankert sind und einander mit ihren kontaktgebenden Bereichen durch L-förmige Gestaltung mindestens einer Kontaktfeder überlappen, wobei die beweglichen Kontaktfeder durch den Anker über einen etwa senkrecht zu ihrer Längserstreckung bewegbaren Schieber betätigbar ist.
The invention relates to a relay
  • a basic body,
  • an electromagnet system connected to the base body with a coil, a core and an armature and
  • a contact arrangement with at least one fixed contact spring and at least one movable contact spring, which are anchored at least approximately in a common plane next to one another in the base body and overlap one another with their contacting areas by means of an L-shaped design of at least one contact spring, the movable contact spring being overlaid by the armature a slide movable approximately perpendicular to its longitudinal extent can be actuated.

Aus der DE-AS 20 39 939 ist eine Kontakteinheit für ein derartiges Relais bekannt. Dort sind jeweils Kontaktfedern bzw. Gegenkontaktträger in einer gemeinsamen Ebene in einem Isolierstoffkörper verankert, wobei eine seitliche Überlappung der kontaktgebenden Enden durch Abkröpfung erreicht wird. Dies erfordert bei der Herstellung der Kontaktelemente eine Reihe von genauen Biegevorgängen, wobei auch die Montage in dem Isolierstoffkörper, die dort vorzugsweise durch Einbettung erfolgt, eine aufwendige Führung und Ausrichtung bedingt.DE-AS 20 39 939 is a contact unit for such a Relay known. There are contact springs or Mating contact carrier in a common plane in an insulating body anchored with a side overlap the contacting ends is achieved by cranking. This requires one in the manufacture of the contact elements A series of precise bending operations, including assembly in the insulating body, which is preferably there by embedding takes place, requires complex guidance and alignment.

Aus der DE 26 27 168 ist es bekannt, eine bewegliche Kontaktfeder in zwei Schenkel zu unterteilen, wobei ein Schenkel als Kontaktschenkel und der andere als Rückstellschenkel ausgebildet ist. Eine Anwendung dieser Maßnahme bei einem Relais der obengenannten Art ist zwar durchaus möglich, würde jedoch eine aufwendigere Gestaltung der Einzelteile erfordern. From DE 26 27 168 it is known to have a movable contact spring to divide into two legs, one leg as Contact leg and the other formed as a reset leg is. An application of this measure to a relay the above type is indeed possible, but would require a more complex design of the individual parts.

Ziel der vorliegenden Erfindung ist es, ein Relais der eingangs genannten Art zu schaffen, das mit Kontaktfedern in möglichst einfacher Form ausgestattet ist, wobei diese Kontaktfedern möglichst einfach herzustellen und zu montieren sein sollen, damit das Relais insgesamt besonders kostengünstig herstellbar ist.The aim of the present invention is to provide a relay of the input to create the kind mentioned that with contact springs in is equipped as simple as possible, these contact springs easy to manufacture and assemble should be so that the relay overall is particularly inexpensive can be produced.

Erfindungsgemäß wird dieses Ziel dadurch erreicht, daß alle Kontaktfedern als ebene Blattfedern ohne bleibende Biegung ausgebildet sind und daß die feststehende Kontaktfeder an einem Anschlag des Grundkörpers anliegend eine Vorspannung durch elastische Auslenkung aus ihrer Einspannebene erhält.According to the invention this goal is achieved in that all Contact springs as flat leaf springs without permanent bending are formed and that the fixed contact spring on a Pre-tensioning of the base body by elastic deflection from its clamping plane.

Bei dem erfindungsgemäßen Relais besitzt also die Kontaktanordnung, die im einfachsten Fall als Öffner oder als Schließer ausgebildet ist, lediglich aus einem ebenen Blech gestanzte und in keiner Weise vorgebogene Kontaktfedern, die aufgrund der L-förmigen Gestaltung mindestens eines Federendes einander überlapppen. Eine Vorspannung der feststehenden Kontaktfeder im Ruhezustand und ein Kontaktabstand, soweit es sich um einen Arbeitskontakt handelt, wird durch einen Anschlag des Grundkörpers erzeugt, an dem die betreffende Kontaktfeder lediglich aufgrund des Einsteckens in den Grundkörper anliegt und eine entsprechende Auslenkung erfährt. Die bewegliche Kontaktfeder ihrerseits liegt in üblicher Weise an dem Schieber an, durch den sie im Ruhezustand, je nach Art des Kontaktes, ebenfalls bereits mehr oder weniger aus ihrer Ebene ausgelenkt sein kann. Auf jeden Fall sind die Kontaktfedern sehr kostengünstig und einfach herzustellen, da die jeweilige Federkennlinie nicht durch bleibende Biegungen an den Kontaktfedern, sondern durch die Geometrie des Grundkörpers mit dem Anschlag, zumindest für die feststehende Kontaktfeder, erreicht wird. Beim mehreren Kontaktfedern können natürlich auch mehrere unterschiedliche Anschläge zur Erreichung entsprechend unterschiedlicher Vorspannungen vorgesehen sein. In the relay according to the invention, therefore, the contact arrangement has in the simplest case as opener or as Closer is formed, only from a flat sheet stamped and in no way pre-bent contact springs, the due to the L-shaped design of at least one spring end overlap each other. A preload of the fixed Contact spring at rest and a contact distance as far as it is is a work contact, is by a stop of the base body on which the contact spring in question only due to the insertion in the base body is present and experiences a corresponding deflection. The movable contact spring in turn is in the usual way the slider, by means of which, depending on Art of contact, also more or less out of her Plane can be deflected. In any case, the contact springs very inexpensive and easy to manufacture because the respective spring characteristic not due to permanent bends the contact springs, but by the geometry of the base body with the stop, at least for the fixed contact spring, is achieved. With several contact springs of course, several different attempts to achieve this provided according to different preloads his.

Eine besonders einfache Gestaltung des Relais ergibt sich dann, wenn als Grundkörper ein Spulenkörper mit zwei Spulenflanschen dient, wobei die Kontaktfedern annähernd parallel zur Spulenachse in einem ersten Spulenflansch verankert sind und der die Vorspannung erzeugende Anschlag an dem zweiten Spulenflansch vorgesehen ist. Besonders kostengünstig wird die Herstellung insbesondere dann, wenn die feststehende und die bewegliche Kontaktfeder identisch ausgebildet sind, wobei sie zueinander spiegelverkehrt in der gemeinsamen Ebene in den Grundkörper eingesetzt werden.A particularly simple design of the relay results when a coil body with two coil flanges is used as the base body serves, the contact springs approximately parallel are anchored to the coil axis in a first coil flange and the biasing stop on the second Coil flange is provided. Is particularly inexpensive the production especially when the fixed and the movable contact spring are identical, wherein they mirror each other in the common plane in the basic body can be used.

In einer bevorzugten Ausgestaltung des erfindungsgemäßen Relais besitzt das Magnetsystem einen T-förmigen Kern, dessen Längsschenkel sich axial durch den Spulenkörper erstreckt, wobei ein U-förmiger Anker auf der den Kontaktfedern abgewandten Seite des Spulenkörpers angeordnet und mit seinem Quersteg im Bereich des ersten Spulenflansches auf dem freien Ende des Kern-Längsschenkels gelagert ist und wobei der Anker mit den freien Enden seiner Längsarme den Schieber betätigt.In a preferred embodiment of the relay according to the invention the magnet system has a T-shaped core, the Longitudinal leg extends axially through the coil former, a U-shaped armature on the side facing away from the contact springs Arranged side of the bobbin and with his Cross bar in the area of the first coil flange on the free End of the core longitudinal leg is mounted and the anchor actuated the slide with the free ends of its longitudinal arms.

Eine besonders einfache Gestaltung des Relais mit wenigen Teilen ergibt sich weiterhin dadurch, daß die bewegliche Kontaktfeder über den Schieber auch eine Rückstellkraft auf den Anker ausübt. Dabei ist in bevorzugter Ausgestaltung weiterhin vorgesehen, daß der Anker über einen Drehpunkt im Mittelbereich seiner Längsschenkel durch die Rückstellkraft der Kontaktfeder in seine Lagerung am Kernende gedrückt wird. Dieser Drehpunkt kann ohne zusätzliche Teile dadurch geschaffen werden, daß der Anker beiderseits angeformte seitliche Schultern besitzt, die sich an eine Innenkante einer Gehäusekappe anlegen.A particularly simple design of the relay with few Sharing also results from the fact that the movable contact spring a restoring force on the Anchor exercises. In a preferred embodiment, this is furthermore provided that the anchor has a fulcrum in the central area its longitudinal leg by the restoring force of the Contact spring is pressed into its storage at the core end. This pivot point can be created without additional parts be that the anchor is molded on both sides Has shoulders attached to an inner edge of a case cap invest.

In einer vorteilhaften weiteren Ausgesaltung ist vorgesehen, daß an einer feststehenden Kontaktfeder ein einstückig angeformter, von der Kontaktfeder selbst entkoppelter Rückstell-Federarm an dem Schieber angreift und über diesen den Anker in seine Ruheposition vorspannt. In an advantageous further embodiment, that on a fixed contact spring an integral, return spring arm decoupled from the contact spring itself attacks on the slide and the anchor via this biased to its rest position.

Aufgrund der Anformung des Rückstell-Federarms an einer feststehenden Kontaktfeder, die ohnehin am Grundkörper abgestützt ist, kann die bewegliche Kontaktfeder in ihren Dimensionen und Federeigenschaften allein zur Erzeugung des jeweiligen Kontaktdrucks ausgebildet werden. Damit ist auf einfache Weise auch ein Öffner- oder ein Umschaltkontakt realisierbar. Dabei sind neben der zusätzlichen Öffner-Feder keine weiteren Einzelteile erforderlich; die bewegliche Kontaktfeder und die Schließer-Kontaktfeder können ohne konstruktive Änderung wie beim Schließerrelais verwendet werden. Vorzugsweise wird der Rückstell-Federarm an der feststehenden Öffner-Kontaktfeder angeformt, wodurch keine Überschneidungen mit der beweglichen Kontaktfeder auftreten und sich die konstruktiv einfachste Lösung ergibt.Due to the shape of the return spring arm on a fixed one Contact spring, which is supported on the base body anyway is, the movable contact spring in its dimensions and spring properties only to generate the respective Contact pressure are formed. This is simple an NC or changeover contact can also be implemented. Besides the additional opening spring, there are no others Individual parts required; the movable contact spring and the Normally open contact spring can like without design change be used with the normally open relay. Preferably the Return spring arm on the fixed break contact spring integrally formed, so that no overlap with the movable Contact spring occur and become the structurally simplest Solution results.

Die Erfindung wird nachfolgend an Ausführungsbeispielen anhand der Zeichnung näher erläutert. Es zeigt

  • Figur 1 ein erfindungsgemäß gestaltetes Schließer-Relais in Explosionsdarstellung,
  • Figur 2 und 3 ein fertig montiertes Relais gemäß Figur 1-ohne Kappe - in zwei perspektivischen Ansichten,
  • Figur 4 das fertig montierte Relais von Figur 1 in einem Schnitt durch die Spulenachse,
  • Figur 5 ein erfindungsgemäß gestaltetes Wechsler-Relais in Explosionsdarstellung,
  • Figur 6 das Relais von Figur 5 in halbmontiertem Zustand, jedoch ohne bewegliche Kontaktfeder und ohne Schließer-Kontaktfeder und
  • Figur 7 ein fertig montiertes Relais - ohne Kappe - in perspektivischer Ansicht.
    • The invention is explained in more detail below using exemplary embodiments with reference to the drawing. It shows
  • FIG. 1 shows a normally open relay designed according to the invention in an exploded view,
  • 2 and 3 a fully assembled relay according to FIG. 1 — without a cap — in two perspective views,
  • FIG. 4 shows the fully assembled relay from FIG. 1 in a section through the coil axis,
  • FIG. 5 shows a changeover relay designed according to the invention in an exploded view,
  • Figure 6 shows the relay of Figure 5 in the semi-assembled state, but without a movable contact spring and without make contact spring and
  • Figure 7 shows a fully assembled relay - without a cap - in a perspective view.

    • Das in der Zeichnung dargestellte Relais besteht aus einem Spulenkörper 1, einem T-förmigen oder annähernd M-förmigem Kern 2, einem U-förmigen Anker 3, einem kartenförmigen Schieber 4, einer feststehenden Kontaktfeder 5, einer beweglichen Kontaktfeder 6, einer Kappe 7 sowie zwei im Spulenkörper verankerten Spulenanschlußstiften 8. The relay shown in the drawing consists of a Coil body 1, a T-shaped or approximately M-shaped Core 2, a U-shaped anchor 3, a card-shaped slide 4, a fixed contact spring 5, a movable Contact spring 6, a cap 7 and two anchored in the coil body Coil connector pins 8.

    Der Spulenkörper 1 besitzt eine axiale Durchgangsöffnung 11 sowie einen ersten Flansch 12 und einen zweiten Flansch 13, zwischen denen eine Wicklung 14 aufgebracht wird. Stirnseitig ist am Spulenflansch 12 einstückig ein Ansatz 14 zur Ankerlagerung angeformt, der in eine Sockelplatte 15 übergeht. An dem Ansatz 14 sind weiterhin Begrenzungszapfen 16 für den Anker angeformt, außerdem sind in diesen Ansatz Steckschlitze 17 eingeformt, durch die Anschlußelemente 51 bzw. 61 der Kontaktfedern 5 und 6 durch die Sockelplatte 15 senkrecht nach außen geführt werden können. An dem zweiten Spulenflansch 13 ist außerdem eine Anschlagnase 18 für die feststehende Kontaktfeder 5 angeformt.The coil former 1 has an axial through opening 11 and a first flange 12 and a second flange 13, between which a winding 14 is applied. Face is an extension 14 for armature mounting on the coil flange 12 in one piece molded on, which merges into a base plate 15. On the approach 14 are limiting pins 16 for the anchor integrally formed, there are also slots in this approach 17 molded through the connecting elements 51 and 61 of the contact springs 5 and 6 through the base plate 15 vertically can be led outside. On the second coil flange 13 is also a stop lug 18 for the fixed contact spring 5 molded.

    Der T-förmige Kern 2 besitzt einen Längsschenkel 21, der in die Durchgangsöffnung 11 des Spulenkörpers eingeführt wird, sowie zwei Querschenkel 22, an deren Enden jeweils Seitenarme 23 parallel zum Längsschenkel 21 angesetzt sind. Der U-förmige Anker 3 besteht aus zwei Längsarmen 31 und einem Quersteg 32, welch letzterer auf dem freien Endabschnitt 24 des Kerns 2 gelagert wird und dann in einer Ausnehmung zwischen dem ersten Spulenflansch 12 und der Sockelplatte 15 liegt. Durch die beiden Sicherungszapfen 16 des Sockelansatzes 14, die in entsprechende Ausnehmungen 33 des Ankers eingreifen, ist er gegen seitliche Bewegungen gesichert, ohne daß seine Schaltbewegung behindert wäre. Die freien Enden der Längsarme 31 sind zu hakenförmigen Polenden 34 verbreitert, die den zweiten Spulenflansch 13 umgreifen und mit den Querschenkeln 22 sowie deren Seitenarmen 23 des Kerns zwei parallele Arbeitsluftspalte bilden.The T-shaped core 2 has a longitudinal leg 21 which in the through opening 11 of the coil body is inserted, and two cross legs 22, at the ends of each side arms 23 are attached parallel to the longitudinal leg 21. The U-shaped Anchor 3 consists of two longitudinal arms 31 and one Crossbar 32, the latter on the free end portion 24th of the core 2 is stored and then in a recess between the first coil flange 12 and the base plate 15 lies. Through the two locking pins 16 of the base approach 14 which engage in corresponding recesses 33 in the armature, he is secured against lateral movements without that his switching movement would be hindered. The free ends of the Longitudinal arms 31 are widened into hook-shaped pole ends 34, which encompass the second coil flange 13 and with the transverse legs 22 and their side arms 23 of the core two parallel Form working air gaps.

    Die feststehende Kontaktfeder 5 und die bewegliche Kontaktfeder 6 sind mit ihren Anschlußelementen 51 bzw. 61, welche einstückig angeformt oder auf bekannte Weise befestigt sind, in den Steckschlitzen 17 des Sockelansatzes 14 verankert. Im vorliegenden Beispiel sind die beiden Kontaktfedern 5 und 6 identisch ausgeführt und mit Kontakten 52 bzw. 62 versehen. The fixed contact spring 5 and the movable contact spring 6 are with their connecting elements 51 and 61, which are integrally formed or fastened in a known manner, anchored in the plug-in slots 17 of the base attachment 14. in the The present example is the two contact springs 5 and 6 executed identically and provided with contacts 52 and 62 respectively.

    Die gegenseitige Überlappung zur Kontaktgabe ergibt sich durch eine L-förmige Abwinkelung an ihren beweglichen, kontaktgebenden Enden.The mutual overlap for contacting results through an L-shaped bend on their movable, contact-making End up.

    Die Kontaktfedern 5 und 6 sind ohne Biegung lediglich aus einer ebenen Blechplatine geschnitten und in den Spulenkörper eingesteckt. Der gegenseitige Versatz ihrer kontaktgebenden Enden ergibt sich lediglich aus der Geometrie des Spulenkörpers bzw. des Schiebers 4. Dieser Schieber liegt zwischen dem Spulenflansch 13 und den Querschenkeln 22 des Kerns. Er besitzt eine Ausnehmung 41, durch die der Kern-Längsschenkel 21 hindurchgesteckt wird. Nach dem Zusammenfügen der Teile liegt der L-förmig abgebogene Endabschnitt 63 der beweglichen Kontaktfeder 6 an der Anschlagnase 18 des Spulenkörpers 1 an und erhält so seine Ruhevorspannung. Andererseits liegt der L-förmig abgebogene Endabschnitt 53 der feststehenden Kontaktfeder 5 an dem Schieber 4 an. Bei Betätigung des Schiebers 4 durch den Anker wird der Endabschnitt 63 in Richtung auf den Endabschnitt 53 der festehenden Kontaktfeder 5 bewegt, und sie hebt letztere von ihrem Anschlag an der Nase 18 ab. Auf diese Weise entsteht die Kontaktkraft.The contact springs 5 and 6 are only made of one without bending Cut flat sheet metal and into the coil body plugged in. The mutual offset of their contact Ends only result from the geometry of the coil body or the slider 4. This slider lies between the Coil flange 13 and the transverse legs 22 of the core. He owns a recess 41 through which the longitudinal core leg 21 is put through. After assembling the parts lies the L-shaped bent end portion 63 of the movable contact spring 6 on the stop lug 18 of the bobbin 1 and receives its resting tension. On the other hand, the L-shaped bent end portion 53 of the fixed contact spring 5 on the slide 4. When slide 4 is actuated by the anchor, the end portion 63 towards the End portion 53 of the fixed contact spring 5 moves, and it lifts the latter from its stop on the nose 18. On this creates the contact force.

    Nach der Montage der beschriebenen Einzelteile wird die Kappe 7 über das Relais gestülpt. Sie bildet mit der Sockelplatte 15 ein geschlossenes Gehäuse. Wie aus Figur 4 ersichtlich ist, weist die Kappe 7 im Bereich ihrer Oberseite ein Lüftungsloch 71 auf, das in einen nach innen vorstehenden Ansatz 72 mündet. Letzterer Ansatz bildet eine zusätzliche Führung für den Schieber 4. Wie aus Figur 4 weiter ersichtlich ist, wird der Anker 3 über den Schieber 4 durch die Rückstellkraft der Arbeitskontaktfeder 6 in seine Ruheposition vorgespannt. Dabei stoßen seitliche Schultern 35 des Ankers an Rippen 72 der Kappe an, wodurch ein Drehpunkt 73 für den Anker gebildet wird. Über diesen Drehpunkt 73 wird durch die Hebelwirkung das gelagerte Ende bzw. der Quersteg 32 des Ankers in die Lagerung und gegen den Endabschnitt 24 des Kerns gedrückt. Dadurch ergeben sich reproduzierbare Flußübergangsverhältnisse in der Ankerlagerung und eine entsprechend niedrige Ansprecherregung.After assembling the individual parts described, the cap 7 put over the relay. It forms with the base plate 15 a closed housing. As can be seen from Figure 4 the cap 7 has a ventilation hole in the area of its upper side 71 on that in an inward protruding approach 72 flows. The latter approach forms an additional guide for the slide 4. As can also be seen from FIG. 4, the armature 3 over the slide 4 by the restoring force the working contact spring 6 biased to its rest position. Lateral shoulders 35 of the anchor abut ribs 72 the cap, thereby forming a pivot point 73 for the anchor becomes. About this fulcrum 73 is due to the leverage the stored end or the crossbar 32 of the anchor in the storage and pressed against the end portion 24 of the core. Thereby reproducible flow transition ratios result in the anchor position and a correspondingly low response excitation.

    Das in Figur 5 bis 7 dargestellte Wechsler-Relais besteht aus einem Spulenkörper 1, einem T-förmigen oder annähernd T-förmigen Kern 2, einem U-förmigen Anker, einem kartenförmigen Schieber 4, einer feststehenden Schließer-Kontaktfeder 5, einer beweglichen Kontaktfeder 6, einer feststehenden Öffner-Kontaktfeder 9, einer Kappe 7 sowie zwei im Spulenkörper verankerten Spulenanschlußstiften 8. Soweit die Einzelteile genauso oder ähnlich gestaltet sind wie im vorhergehenden Beispiel des Schließerrelais, tragen sie die gleichen Bezugszeichen und werden nicht mehr eigens beschrieben.The changeover relay shown in Figures 5 to 7 consists of a bobbin 1, a T-shaped or approximately T-shaped Core 2, a U-shaped anchor, a card-shaped Slider 4, a fixed NO contact spring 5, one movable contact spring 6, a fixed break contact spring 9, a cap 7 and two anchored in the coil body Coil connection pins 8. As far as the individual parts are the same or are designed similarly to the previous example of the make relay, they have the same reference numbers and are no longer specifically described.

    Die Öffner-Kontaktfeder 9 ist in einem Steckschlitz 19 der Sockelplatte 15 befestigt. Während die beiden Kontaktfedern 5 und 6 mit ihren Blechebenen in einer gemeinsamen Ebene in den Steckschlitzen 17 befestigt sind, ist die Blechebene der Kontaktfeder 9 in dem Steckschlitz 19 gegenüber den ersteren leicht versetzt, jedoch parallel dazu angeordnet. Alle Kontaktfedern sind mit seitlich angeformten Anschlaglappen 55 bzw. 65 und 95 versehen, mit denen sie auf der Oberseite der jeweiligen Steckschlitze 17 bzw. 19 anliegen, während auf der Unterseite jeweils Biegelappen 56, 66 bzw. 96 als Sicherung deformiert werden können.The break contact spring 9 is in a slot 19 of the Base plate 15 attached. While the two contact springs 5 and 6 with their sheet metal levels in a common level in the Plug slots 17 are attached, the sheet metal level of the contact spring 9 in the slot 19 compared to the former slightly offset, but arranged parallel to it. All contact springs are with side flaps 55 or 65 and 95 provided with which they are on the top of the respective plug slots 17 and 19 abut while on the Underside each of bending tabs 56, 66 and 96 as a fuse can be deformed.

    Die Kontaktfedern 5 und 6 sind auch in diesem Fall ohne Biegung lediglich aus einer ebenen Blechplatine geschnitten und in den Spulenkörper eingesteckt. Die feststehende Öffner-Kontaktfeder 9 ist ebenfalls aus einer ebene Blechplatine geschnitten und in den Spulenkörper, nämlich den Steckschlitz 19, eingesteckt. Sie besitzt einen Kontakt 92, der dem beweglichen Kontakt 62 gegenübersteht. Außerdem ist an der Öffner-Kontaktfeder 9 in der gleichen Ebene ein Rückstell-Federarm 94 angeformt, der von der eigentlichen Öffner-Kontaktfeder entkoppelt ist, über deren freies Ende hinaus vorsteht und als Rückstellfeder wirkt. The contact springs 5 and 6 are also in this case without bending just cut from a flat sheet metal plate and inserted into the bobbin. The fixed break contact spring 9 is also cut from a flat sheet metal plate and in the bobbin, namely the slot 19, inserted. It has a contact 92 which is movable Contact 62 faces. It is also on the break contact spring 9 a return spring arm in the same plane 94 molded on by the actual break contact spring is decoupled, projects beyond its free end and acts as a return spring.

    Nach dem Zusammenfügen der Teile liegt der L-förmig abgebogene Endabschnitt 53 der feststehenden Schließer-Kontaktfeder 5 an der Anschlagnase 18 des Spulenkörpers 1 an und erhält so seine Ruhevorspannung. Andererseits liegt der L-förmig abgebogene Endabschnitt 63 der beweglichen Kontaktfeder 6 an einer Betätigungsnase 43 des Schiebers 4 an. Der Schieber wird außerdem über eine Führungsnase 42 in einem Durchbruch 64 der Kontaktfeder 6 geführt. Weiterhin besitzt der Schieber eine zusätzliche Anschlagnase 44, an der der Rückstell-Federarm 94 anliegt und über den Schieber den Anker in seine Ruheposition vorspannt.After the parts have been assembled, the L-shape is bent End section 53 of the fixed NO contact spring 5 on the stop lug 18 of the bobbin 1 and thus receives his resting bias. On the other hand, the L-shaped curve lies End portion 63 of the movable contact spring 6 on one Actuating nose 43 of the slide 4. The slider will also via a guide lug 42 in an opening 64 of the Contact spring 6 out. Furthermore, the slide has one additional stop lug 44 on which the return spring arm 94 rests and the anchor in its rest position via the slide preloaded.

    Im Ruhezustand wird somit der Schieber und durch ihn der Anker durch den Federarm 94 in seiner Ruheposition gehalten, während der Kontakt 62 mit dem Kontakt 92 einen Ruhestromkreis schließt. Bei Betätigung des Schiebers 4 durch den Anker wird der Endabschnitt 63 der beweglichen Kontaktfeder 6 in Richtung auf den Endabschnitt 53 der Schließer-Kontaktfeder bewegt; dabei wird der Kontakt 62 von dem Kontakt 92 abgehoben und mit dem Kontakt 52 in Berührung gebracht. Zugleich wird auch der Endabschnitt 63 von dem Anschlag an der Nase 18 abgehoben, so daß die Kontaktkraft des Schließerkontakts aufgebaut wird. Nach Abschalten der Erregung wird der Schieber durch die Rückstellkraft des Federarms 94 in die Ausgangsposition gebracht, wodurch der Schließerkontakt geöffnet und der Öffnerkontakt geschlossen wird.In the idle state, the slide and thus the anchor become held in its rest position by the spring arm 94, during the contact 62 with the contact 92 a closed circuit closes. When the slide 4 is actuated by the armature becomes the end portion 63 of the movable contact spring 6 towards the end portion 53 of the make contact spring emotional; the contact 62 becomes the contact 92 lifted off and brought into contact with the contact 52. At the same time, the end portion 63 of the stop lifted on the nose 18 so that the contact force of the Normally open contact is established. After switching off the excitation is the slider by the restoring force of the spring arm 94 brought into the starting position, making the normally open contact opened and the break contact is closed.

    Claims (10)

    1. A relay, having:
      a base (1),
      an electromagnet system which is connected to the base (1) and has a coil (1, 10), a core (2) and an armature (3), and
      a contact arrangement having at least one fixed spring contact (5; 9) and at least one movable spring contact (6), which are anchored in the base (1) approximately in a common plane next to one another and overlap one another by means of their regions for making contact as a result of the L-shaped form of at least one spring contact, the movable spring contact (6) being actuable by the armature by way of a slide (4) which is movable approximately perpendicular to the longitudinal extent thereof,
         characterised in that all the spring contacts (5, 6, 9) are constructed as planar leaf springs with no permanent flection, and in that each fixed spring contact (5, 9) abuts against a stop (18; 20) of the base such that it is pre-tensioned by resilient deflection out of its clamping plane.
    2. A relay according to Claim 1, characterised in that there serves as the base a coil body (1) having two coil flanges (12, 13), in that the spring contacts (5, 6, 9) are anchored in a first coil flange (12, 14) approximately parallel to the coil axis, and in that the stop (18, 20) which generates the pre-tensioning for the respective fixed spring contact (5, 9) is integrally formed on the second coil flange (13).
    3. A relay according to Claim 1 or 2, characterised in that a fixed and a movable spring contact (5, 6) are of identical construction and are inserted into the base (1, 14) in a plane such that they are mutually inverted in the manner of mirror images.
    4. A relay according to one of Claims 1 to 3, characterised in that on a fixed spring contact (9) a restoring spring arm (94) which is integrally formed in one piece and is uncoupled from the spring contact (9) itself acts on the slide (4) and by way of the latter pre-tensions the armature (3) in its rest position.
    5. A relay according to Claim 4, characterised in that, in order to form a switch-over contact, a movable spring contact (6), a fixed closing (make) spring contact (5) and a fixed opening (break) spring contact (9) are anchored in the base (1), and in that the restoring spring arm (94) is integrally formed on the opening spring contact (9) and acts on a projection (44) on the slide next to the movable spring contact (6).
    6. A relay according to one of Claims 2 to 5, characterised in that the magnet system has a T-shaped core whereof the longitudinal limb (21) extends axially through the coil body (1), in that a U-shaped armature (3) is arranged on the side of the coil body (1) remote from the spring contacts (5, 6, 9) and is mounted with its transverse limb (32) in the region of the first coil flange (12) on the free end of the core longitudinal limb (24), and in that the armature (3) actuates the slide (4) by means of the free ends of its longitudinal arms (31).
    7. A relay according to Claim 6, characterised in that the slide (4) is positioned between the second coil flange (13) and the transverse limbs (22) of the core (2).
    8. A relay according to Claim 6 or 7, characterised in that the movable spring contact (5) exerts a restoring force on the armature (3) by way of the slide (4).
    9. A relay according to Claim 8, characterised in that the armature (3) is pressed into its mounting on the core (24) by the restoring force of the spring contact (5) by way of a pivot point (73) in the central region of its longitudinal limbs (31).
    10. A relay according to Claim 9, characterised in that the pivot point (73) is formed by lateral shoulders (35) which are integrally formed on the longitudinal arms (31) of the armature (3) on both sides and abut against an inside edge (72) of a housing cap (7).
    EP98925482A 1997-05-05 1998-04-24 Relay with contact springs Expired - Lifetime EP0980579B1 (en)

    Applications Claiming Priority (5)

    Application Number Priority Date Filing Date Title
    DE19718985 1997-05-05
    DE1997118985 DE19718985C1 (en) 1997-05-05 1997-05-05 Electromagnetic relay with simplified mfr. of contacts
    DE19804572 1998-02-05
    DE19804572A DE19804572A1 (en) 1997-05-05 1998-02-05 Relay with contact springs
    PCT/EP1998/002439 WO1998050933A1 (en) 1997-05-05 1998-04-24 Relay with contact springs

    Publications (2)

    Publication Number Publication Date
    EP0980579A1 EP0980579A1 (en) 2000-02-23
    EP0980579B1 true EP0980579B1 (en) 2001-08-08

    Family

    ID=26036347

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP98925482A Expired - Lifetime EP0980579B1 (en) 1997-05-05 1998-04-24 Relay with contact springs

    Country Status (14)

    Country Link
    US (1) US6323747B1 (en)
    EP (1) EP0980579B1 (en)
    JP (1) JP3976795B2 (en)
    KR (1) KR100478026B1 (en)
    CN (1) CN1133190C (en)
    AT (1) ATE204098T1 (en)
    BR (1) BR9809230B1 (en)
    CA (1) CA2288827C (en)
    DE (2) DE19804572A1 (en)
    ES (1) ES2161056T3 (en)
    ID (1) ID22751A (en)
    PT (1) PT980579E (en)
    TW (1) TW430838B (en)
    WO (1) WO1998050933A1 (en)

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    EP1577919B1 (en) * 2004-03-15 2014-09-10 Omron Corporation Electromagnetic relay
    CN100455170C (en) * 2005-07-08 2009-01-21 鸿富锦精密工业（深圳）有限公司 Network apparatus combination and its fixing-holding rack
    DE202005016473U1 (en) * 2005-10-19 2006-02-09 Dbt Gmbh Housing cover for switching magnet housing
    DE102006036613B3 (en) 2006-08-04 2008-04-10 Tyco Electronics Austria Gmbh Relay with a contact arrangement of contact springs
    JP5116526B2 (en) * 2007-03-27 2013-01-09 富士通コンポーネント株式会社 Electromagnetic relay
    JP4807430B2 (en) * 2009-03-30 2011-11-02 富士電機機器制御株式会社 Magnetic contactor
    JP5085754B2 (en) * 2011-03-14 2012-11-28 オムロン株式会社 Electromagnetic relay
    JP4883232B1 (en) * 2011-03-14 2012-02-22 オムロン株式会社 Electromagnetic relay
    CN103339705B (en) * 2011-03-14 2017-02-15 欧姆龙株式会社 Electromagnetic relay
    CN202650990U (en) * 2012-07-02 2013-01-02 宁波福特继电器有限公司 Miniature high power magnetic latching relay
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    JP6043173B2 (en) * 2012-12-07 2016-12-14 富士通コンポーネント株式会社 Electromagnetic relay
    JP6263904B2 (en) * 2013-08-23 2018-01-24 オムロン株式会社 Electromagnet device and electromagnetic relay using the same
    CN108527354A (en) * 2018-06-20 2018-09-14 滨州学院 It is a kind of can quickly fine rotational manipulator
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    Also Published As

    Publication number Publication date
    DE19804572A1 (en) 1999-08-12
    CA2288827A1 (en) 1998-11-12
    TW430838B (en) 2001-04-21
    CA2288827C (en) 2007-03-06
    CN1133190C (en) 2003-12-31
    PT980579E (en) 2001-11-30
    BR9809230B1 (en) 2009-05-05
    BR9809230A (en) 2000-06-27
    EP0980579A1 (en) 2000-02-23
    US6323747B1 (en) 2001-11-27
    ES2161056T3 (en) 2001-11-16
    KR20010012264A (en) 2001-02-15
    DE59801177D1 (en) 2001-09-13
    ID22751A (en) 1999-12-09
    ATE204098T1 (en) 2001-08-15
    JP2001523381A (en) 2001-11-20
    CN1255233A (en) 2000-05-31
    JP3976795B2 (en) 2007-09-19
    WO1998050933A1 (en) 1998-11-12
    KR100478026B1 (en) 2005-03-23

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