EP0246621B1 - Electromagnetic relay - Google Patents

Electromagnetic relay Download PDF

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Publication number
EP0246621B1
EP0246621B1 EP87107291A EP87107291A EP0246621B1 EP 0246621 B1 EP0246621 B1 EP 0246621B1 EP 87107291 A EP87107291 A EP 87107291A EP 87107291 A EP87107291 A EP 87107291A EP 0246621 B1 EP0246621 B1 EP 0246621B1
Authority
EP
European Patent Office
Prior art keywords
coil
yoke
leg
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
EP87107291A
Other languages
German (de)
French (fr)
Other versions
EP0246621A1 (en
Inventor
Michael Dipl.-Ing. Dittmann
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.)
Siemens AG
Original Assignee
Siemens AG
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
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT87107291T priority Critical patent/ATE57044T1/en
Publication of EP0246621A1 publication Critical patent/EP0246621A1/en
Application granted granted Critical
Publication of EP0246621B1 publication Critical patent/EP0246621B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/24—Parts rotatable or rockable outside coil
    • H01H50/28—Parts movable due to bending of a blade spring or reed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal

Definitions

  • the invention relates to an electromagnetic relay with a coil with an axis running parallel to the connection plane of the relay, with at least one fixed mating contact element and one winding support point in each flange being fastened in a first flange of the coil body, with a core inserted into the coil body in the axial direction, with an angular yoke, the first leg of which is coupled to a core end and the second leg of which extends parallel to the coil axis next to the winding, with an armature mounted in front of the free end of the second yoke leg, which forms a working air gap with the free core end, with one at the armature attached leaf spring, which causes the armature to be supported relative to the yoke with a return leg and interacts with at least one contact spring leg with the mating contact element, and with a connecting element which is electrically conductively connected to the leaf spring.
  • connection elements designed as flat plugs are essentially anchored in a base and subsequently connected to the associated electrical elements in the coil former.
  • These electrical connections for example between the winding bases in the bobbin flanges and the associated plug connections or between the contact spring and the associated connection element in the base, require additional operations, which are also not easily automated.
  • the assembly of the armature with its spring is hardly accessible to automation.
  • the object of the invention is to construct a relay of the type mentioned in the introduction in such a way that it can be manufactured with simpler parts and simpler operations, these operations being able to be carried out largely automatically.
  • this object is achieved in that a separately manufactured connecting piece is attached to the free end of the second yoke leg, which has a support for the armature, a fastening section for the leaf spring and the integrally molded contact connecting element for the leaf spring, and that the winding bases directly by im each anchored coil connecting elements are formed.
  • the additional connector provided according to the invention is mechanically and electrically connected to the yoke. It is used not only for contacting the contact spring connected to the armature, but also for mounting and fastening the armature. With this connector, the assembly of the anchor is designed so that it can be carried out automatically. In contrast to conventional relays of a similar design, the armature does not need to be aligned with the fully assembled yoke and attached via its bearing spring. Rather, the armature and leaf spring can be aligned and fastened to the connecting piece in a pre-assembly, these operations being able to be carried out in a simple manner in machines by the separation of the yoke and the coil.
  • connection element for the contact spring is connected to the coil body via the yoke and the coil connection elements are anchored in the coil body flanges and serve directly as winding support points, and also a mating contact element can be anchored in a coil flange, such a relay can already be functional on the Coil formers are built.
  • a base which is inserted over the connection pins, merely has the function of a housing termination towards the connection side; So no subsequent solder connections between functional parts in the coil body and other functional parts in the base are required. Only when additional mating contact elements are required, for a changeover contact or for a bridge contact, are these further mating contact elements anchored in a base. In this case, too, a subsequent solder connection after plugging in the base is not necessary.
  • the connecting piece is expediently angled, at least one longitudinal section resting laterally on the second yoke leg and at least one transverse section resting on the free end face of the second yoke leg.
  • the connection piece is designed such that the second yoke leg engages with a stepped extension between the fork-shaped webs of the connection piece.
  • the longitudinal section of the connecting piece has two cranked connection tabs fastened flat on the second yoke leg and between them a fastening tab for the leaf spring.
  • the fastening tab for the leaf spring advantageously has a distance from the yoke leg and a predetermined bending point. In this way, the leaf spring connected to it, for example welded on, can be adjusted by bending the fastening tab.
  • the armature is angled and supported with its bearing leg on the extension of the second yoke leg.
  • the connecting element for the leaf spring can be integrally formed on the connecting piece via an intermediate strip which extends between the coil winding on the one hand and the armature or the second yoke leg on the other hand and is essentially connected to the connecting piece in the area of the upper yoke edge via a highly conductive cross section. In this way it is achieved that the current flowing via the connection piece to the leaf spring forms an almost closed loop around the yoke or the armature passes through and thus generates an additional magnetic flux which amplifies the flux generated by the coil with appropriate polarity.
  • the relay shown in FIGS. 1 to 3 has as a supporting element a coil body 1 with two flanges 2 and 3 and a winding 4, a coil connecting element 5 and 6 being fastened in each of the coil flanges.
  • These coil connection elements 5 and 6 can be injected into the coil body; in the present exemplary embodiment, they are each anchored with a crossbar 5a or 6a in corresponding grooves of the respective coil flange or an extension of the coil flange.
  • the coil former has an axial bore 1 a for inserting a core, not shown, which is connected to a yoke 7 in the region of the coil flange 2.
  • This yoke 7 is of an angular configuration, the leg 7a being connected to the core mentioned, while the leg 7b extends next to the coil winding approximately parallel to its axis, but does not reach the full length of the coil.
  • a connecting piece 8 is attached, which is essentially angled.
  • the longitudinal section 8a of the connector extends parallel to the yoke leg 7b, while the transverse section 8b of the connector with two fork-shaped webs 8c and 8d bears against the free end face of the yoke leg 7b, namely against the end faces 7c and 7d.
  • the webs 8c and 8d of the connecting piece in the form of a fork comprise an extension 7e which serves as a support for the mounting of an armature 9.
  • a contact connection element 8e is formed on the underside of the web 8d.
  • the armature 9 is of an angular shape and is supported with its leg 9a in the angle formed between the cross leg 8b of the connecting piece and the extension 7e of the yoke.
  • the second armature leg 9b is arranged on the front side in front of the coil flange 3 approximately perpendicular to the coil axis and forms a working air gap with the aforementioned, invisible core.
  • a leaf spring 10 is used to hold and reset the armature, which is fastened to the connecting piece 8 with a restoring leg 10a, is fastened to the armature holding leg 10b on the armature leg 9b and forms a contact spring leg 10c with its free end, which extends beyond the free armature end is. Due to the angular shape of the armature 9, its pivot point is shifted out of the contact plane, whereby an increased contact friction with the effect of self-cleaning is achieved.
  • the yoke 7 When installing the relay, the yoke 7 is first connected to the coil former 1, while an armature assembly consisting of the armature 9, the connecting piece 8 and the leaf spring 10 is preassembled and then placed as a whole on the yoke or connected to the yoke leg 7b becomes.
  • the pre-assembled armature assembly is shown in Fig. 5. It can be seen that the leaf spring 10 is welded with its restoring leg 10a onto a middle fastening leg 8f of the connecting piece 8, which in turn lies between two connecting tabs 8g of the connecting piece.
  • the two connecting tabs 8g are cranked toward the yoke leg 7b, so that the fastening tab 8f has a free distance from the yoke leg 7b and can thus be bent to adjust the leaf spring 10 or the armature 9.
  • a predetermined bending point 11 is also provided on the fastening tab 8f. 5 is placed on the yoke 7 connected to the coil former 1 and welded to the yoke leg 7b via the connecting tab 8g.
  • connection methods known to those skilled in the art such as soldering or riveting, can also be used for the welded connections mentioned.
  • the aforementioned adjustment by bending on the fastening tab 8f is carried out after the armature assembly has been mounted on the yoke or after the mounting of additional mating contact elements
  • the contact spring 10c is also connected to the associated connector 8e. If very high currents are to be switched for certain connection purposes, it may be expedient to connect the contact piece 12 of the contact spring 10c directly to the connection piece 8 via a flexible conductor element, for example a strand 13 shown in FIG. 5.
  • connection element 18e is not directly molded onto the cross leg 18b, rather the connection piece there has an additional intermediate strip 18h, which essentially hangs on the cross leg 18b via the web 18i.
  • a further web 18k is also provided on the underside for reasons of stability, its cross section is dimensioned such that it represents a high resistance to the switching current flowing from the connecting element 18e to the leaf spring 10, so that the majority of the current flows through the web 18i flows.
  • a mounted relay with such a connector 18 is shown in Fig. 6.
  • the coil body flange 3 has an insertion shaft 14 for receiving a mating contact element 15, which cooperates with the contact piece 12 of the contact spring 10c.
  • a connection element which is not visible in the drawing, is formed.
  • the relay can receive various modifications to the contact arrangement, as shown in FIGS. 7 and 8, for example.
  • an extension 3a with an opening 3b for receiving a further mating contact element 17 is formed on the coil former flange 3.
  • this mating contact element 17 is fastened in a plug-in shaft 16a of the base 16 and inserted with its extension 17a into the opening 3b during assembly of the base.
  • the mating contact element 17, which according to FIG. 7 is part of a changeover contact is well positioned; this also ensures that the NC contact pair switches with little bounce.
  • Fig. 8 shows a further modification of the contact arrangement.
  • an additional mating contact element 19 is inserted in the slot 14, which cooperates with an additional leg 10d of the leaf spring 10.
  • the arrangement according to FIG. 8 is a bridge contact arrangement, so that the connection piece 8 does not have to perform any current-carrying function at all.
  • the contact distance between the contact element 19 and the spring leg 10d on the one hand and between the mating contact element 15 and the spring leg 10c can be set differently, as a result of which a lead contact can be created.
  • further modifications of the contact arrangement are also conceivable.
  • the relay can also be equipped with other components, such as resistors or diodes, which are connected in series or parallel to the coil winding.
  • 2 shows an embodiment in which a parallel component 20 is arranged between the two coil flanges 2 and 3 and its connection ends are welded or soldered to the transverse webs 5a and 6a of the coil connection elements 5 and 6, respectively. Series connection of such a component is also possible.
  • the transverse web 6a is provided with a notch 6c, so that a retaining tab 6b is anchored separately in the coil flange 3 and is only connected to the connecting element 6 by a narrow web 6d.
  • FIGS. 2 and 9 it can also be seen that a tab 6e is bent out for fastening and contacting the winding end 4a, next to which the winding end 4a is clamped and then soldered. The opposite winding end is fastened and contacted in a corresponding manner on a tab of the connecting element 5.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Magnetic Treatment Devices (AREA)
  • Burglar Alarm Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

A relay comprises a spool with flanges (2, 3), an angular yoke (7) and an angular armature (9) positioned in front of the free end of the yoke (7). A contact element (8) attached to the free end of the yoke is provided for contacting of the relay spring (10c), which is connected with said armature. During the assembly process an armature assembly including an armature (9), connecting element (8) and leaf spring (10) is preassembled and subsequently mounted as a single unit onto the yoke (7). Since all connecting elements are connected with the spool or with the yoke, additional soldering to the base is not required. This physical configuration enables a fully automatic production of the relay.

Description

Die Erfindung betrifft ein elektromagnetisches Relais mit einer Spule mit parallel zur Anschlußebene des Relais verlaufender Achse, wobei in einem ersten Flansch des Spulenkörpers mindestens ein feststehendes Gegenkontaktelement und in beiden Flanschen jeweils ein Wicklungsstützpunkt befestigt sind, mit einem in den Spulenkörper in Axialrichtung eingesteckten Kern, mit einem winkelförmigen Joch, dessen erster Schenkel mit einem Kernende gekoppelt ist und dessen zweiter Schenkel sich parallel zur Spulenachse neben der Wicklung erstreckt, mit einem vor dem freien Ende des zweiten Jochschenkels gelagerten Anker, der mit dem freien Kernende einen Arbeitsluftspalt bildet, mit einer am Anker befestigten Blattfeder, die mit einem Rückstellschenkel die Lagerung des Ankers gegenüber dem Joch bewirkt und mit mindestens einem Kontaktfederschenkel mit dem Gegenkontaktelement zusammenwirkt, sowie mit einem mit der Blattfeder elektrisch leitend verbundenen Anschlußelement.The invention relates to an electromagnetic relay with a coil with an axis running parallel to the connection plane of the relay, with at least one fixed mating contact element and one winding support point in each flange being fastened in a first flange of the coil body, with a core inserted into the coil body in the axial direction, with an angular yoke, the first leg of which is coupled to a core end and the second leg of which extends parallel to the coil axis next to the winding, with an armature mounted in front of the free end of the second yoke leg, which forms a working air gap with the free core end, with one at the armature attached leaf spring, which causes the armature to be supported relative to the yoke with a return leg and interacts with at least one contact spring leg with the mating contact element, and with a connecting element which is electrically conductively connected to the leaf spring.

Ein derartiges Relais ist aus der DE-A 34 28 595 bekannt. Dort sind die als Flachstecker ausgebildeten Anschlußelemente im wesentlichen in einem Sockel verankert und mit den zugehörigen elektrischen Elementen im Spulenkörper nachträglich verbunden. Diese elektrischen Verbindungen, beispielsweise zwischen den Wicklungsstützpunkten in den Spulenkörperflanschen und den zugehörigen Steckanschlüssen oder zwischen der Kontaktfeder und dem zugehörigen Anschlußelement im Sockel erfordern zusätzliche Arbeitsgänge, die auch nicht ohne weiteres automatisierbar sind. Insbesondere ist auch die Montage des Ankers mit seiner Lagerfeder einer Automatisierung kaum zugänglich.Such a relay is known from DE-A 34 28 595. There, the connection elements designed as flat plugs are essentially anchored in a base and subsequently connected to the associated electrical elements in the coil former. These electrical connections, for example between the winding bases in the bobbin flanges and the associated plug connections or between the contact spring and the associated connection element in the base, require additional operations, which are also not easily automated. In particular, the assembly of the armature with its spring is hardly accessible to automation.

Aufgabe der Erfindung ist es, ein Relais der eingangs genannten Art konstruktiv so zu gestalten, daß es mit einfacheren Teilen und einfacheren Arbeitsgängen hergestellt werden kann, wobei diese Arbeitsgänge weitgehend automatisiert durchgeführt werden können.The object of the invention is to construct a relay of the type mentioned in the introduction in such a way that it can be manufactured with simpler parts and simpler operations, these operations being able to be carried out largely automatically.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß am freien Ende des zweiten Jochschenkels ein getrennt gefertigtes Anschlußstück befestigt ist, welches eine Abstützung für den Anker, einen Befestigungsabschnitt für die Blattfeder und das einstückig angeformte Kontaktanschlußelement für die Blattfeder aufweist, und daß die Wicklungsstützpunkte unmittelbar durch im jeweiligen Spulenkörperflansch verankerte Spulenanschlußelemente gebildet sind.According to the invention this object is achieved in that a separately manufactured connecting piece is attached to the free end of the second yoke leg, which has a support for the armature, a fastening section for the leaf spring and the integrally molded contact connecting element for the leaf spring, and that the winding bases directly by im each anchored coil connecting elements are formed.

Das erfindungsgemäß vorgesehene zusätzliche Anschlußstück ist mechanisch und elektrisch mit dem Joch verbunden. Es dient nicht nur zur Kontaktierung der mit dem Anker verbundenen Kontaktfeder, sondern auch zur Lagerung und Befestigung des Ankers. Mit diesem Anschlußstück wird vor allem die Montage des Ankers so gestaltet, daß sie automatisiert durchgeführt werden kann. Denn nunmehr braucht der Anker im Gegensatz zu herkömmlichen Relais ähnlicher Bauart nicht am fertig montierten Joch ausgerichtet und über seine Lagerfeder befestigt werden. Vielmehr kann der Anker samt Blattfeder in einer Vormontage an dem Anschlußstück ausgerichtet und befestigt werden, wobei diese Arbeitsgänge durch die Trennung von Joch und Spule in einfacher Weise in Automaten durchgeführt werden können. Das vormontierte Anschlußstück mit Anker und Blattfeder wird dann in einem weiteren einfachen Arbeitsgang auf das mit dem Spulenkörper verbundene Joch aufgesetzt und lediglich von der Seite an den zweiten Jochschenkel angelegt und mit diesem verbunden, beispielsweise durch Schweißen oder eine ähnliche Verbindung. Da auf diese Weise das Anschlußelement für die Kontaktfeder über das Joch mit dem Spulenkörper verbunden ist und die Spulenanschlußelemente in den Spulenkörperflanschen verankert sind und unmittelbar als Wicklungsstützpunkte dienen, außerdem auch ein Gegenkontaktelement in einem Spulenflansch verankert werden kann, kann ein derartiges Relais bereits funktionstüchtig auf dem Spulenkörper aufgebaut werden. Ein Sockel, der über die Anschlußstifte gesteckt wird, hat in diesem Fall lediglich die Funktion eines Gehäuseabschlusses zur Anschlußseite hin; es sind also keine nachträglichen Lötverbindungen zwischen Funktionsteilen im Spulenkörper und anderen Funktionsteilen im Sockel erforderlich. Lediglich dann, wenn weitere Gegenkontaktelemente, für einen Umschaltekontakt oder für einen Brükkenkontakt, erforderlich sind, werden diese weiteren Gegenkontaktelemente in einem Sockel verankert. Auch in diesem Fall ist aber eine nachträgliche Lötverbindung nach dem Aufstecken des Sockels nicht erforderlich.The additional connector provided according to the invention is mechanically and electrically connected to the yoke. It is used not only for contacting the contact spring connected to the armature, but also for mounting and fastening the armature. With this connector, the assembly of the anchor is designed so that it can be carried out automatically. In contrast to conventional relays of a similar design, the armature does not need to be aligned with the fully assembled yoke and attached via its bearing spring. Rather, the armature and leaf spring can be aligned and fastened to the connecting piece in a pre-assembly, these operations being able to be carried out in a simple manner in machines by the separation of the yoke and the coil. The preassembled connector with armature and leaf spring is then placed in a further simple operation on the yoke connected to the bobbin and only applied from the side to the second yoke leg and connected to it, for example by welding or a similar connection. In this way, since the connection element for the contact spring is connected to the coil body via the yoke and the coil connection elements are anchored in the coil body flanges and serve directly as winding support points, and also a mating contact element can be anchored in a coil flange, such a relay can already be functional on the Coil formers are built. In this case, a base, which is inserted over the connection pins, merely has the function of a housing termination towards the connection side; So no subsequent solder connections between functional parts in the coil body and other functional parts in the base are required. Only when additional mating contact elements are required, for a changeover contact or for a bridge contact, are these further mating contact elements anchored in a base. In this case, too, a subsequent solder connection after plugging in the base is not necessary.

Das Anschlußstück ist zweckmäßigerweise abgewinkelt ausgebildet, wobei mindestens ein Längsabschnitt seitlich am zweiten Jochschenkel und mindestens ein Querabschnitt an der freien Stirnfläche des zweiten Jochschenkels anliegt. In zweckmäßiger Ausgestaltung ist das Anschlußstück so gestaltet, daß der zweite Jochschenkel mit einem abgesetzten Fortsatz zwischen gabelförmige Stege des Anschlußstücks eingreift. In besonderer Ausgestaltung weist der Längsabschnitt des Anschlußstücks zwei abgekröpfte, flach auf dem zweiten Jochschenkel befestigte Verbindungslappen und zwischen diesen einen Befestigungslappen für die Blattfeder auf. Der Befestigungslappen für die Blattfeder besitzt dabei zweckmäßigerweise einen Abstand zum Jochschenkel und eine Sollbiegestelle. Auf diese Weise kann die mit ihm verbundene, beispielsweise aufgeschweißte, Blattfeder durch Biegen des Befestigungslappens justiert werden.The connecting piece is expediently angled, at least one longitudinal section resting laterally on the second yoke leg and at least one transverse section resting on the free end face of the second yoke leg. In an expedient embodiment, the connection piece is designed such that the second yoke leg engages with a stepped extension between the fork-shaped webs of the connection piece. In a special embodiment, the longitudinal section of the connecting piece has two cranked connection tabs fastened flat on the second yoke leg and between them a fastening tab for the leaf spring. The fastening tab for the leaf spring advantageously has a distance from the yoke leg and a predetermined bending point. In this way, the leaf spring connected to it, for example welded on, can be adjusted by bending the fastening tab.

In einer bevorzugten Ausführungsform ist der Anker abgewinkelt und mit seinem Lagerschenkel an dem Fortsatz des zweiten Jochschenkels gelagert. Das Anschlußelement für die Blattfeder kann an dem Anschlußstück über eine Zwischenleiste angeformt sein, welche sich zwischen der Spulenwicklung einerseits und dem Anker bzw. dem zweiten Jochschenkel andererseits erstreckt und im wesentlichen im Bereich der oberen Jochkante über einen gut leitenden Querschnitt mit dem Anschlußstück zusammenhängt. Auf diese Weise wird erreicht, daß der über das Anschlußstück zur Blattfeder fließende Strom eine nahezu geschlossene Schleife um das Joch bzw. den Anker herum durchläuft und so einen zusätzlichen Magnetfluß erzeugt, der bei entsprechender Polung den von der Spule erzeugten Fluß verstärkt.In a preferred embodiment, the armature is angled and supported with its bearing leg on the extension of the second yoke leg. The connecting element for the leaf spring can be integrally formed on the connecting piece via an intermediate strip which extends between the coil winding on the one hand and the armature or the second yoke leg on the other hand and is essentially connected to the connecting piece in the area of the upper yoke edge via a highly conductive cross section. In this way it is achieved that the current flowing via the connection piece to the leaf spring forms an almost closed loop around the yoke or the armature passes through and thus generates an additional magnetic flux which amplifies the flux generated by the coil with appropriate polarity.

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

  • Fig. 1 ein erfindungsgemäß gestaltetes Relais in perspektivischer Darstellung,
  • Fig. 2 einen Spulenkörper für das Relais gemäß Fig.1,
  • Fig. 3 ein Joch und ein Anschlußstück im Zustand vor der Montage,
  • Fig. 4 ein abgewandeltes Anschlußstück,
  • Fig. 5 eine vormontierte Ankerbaugruppe mit Anschlußstück,
  • Fig. 6 eine gegenüber Fig. 1 etwas abgewandelte Ausführungsform eines Relais,
  • Fig. 7 und 8 ausschnittweise Darstellungen abgewandelter Kontaktanordnungen für ein Relais gemäß Fig. 1.
The invention is explained in more detail below using exemplary embodiments with reference to the drawing. It shows
  • 1 is a perspective view of a relay designed according to the invention,
  • 2 shows a coil former for the relay according to FIG. 1,
  • 3 is a yoke and a connector in the state before assembly,
  • 4 is a modified connector,
  • 5 shows a preassembled armature assembly with connector,
  • 6 shows a somewhat modified embodiment of a relay,
  • 7 and 8 detail representations of modified contact arrangements for a relay according to FIG. 1st

Das in den Fig. 1 bis 3 gezeigte Relais besitzt als tragendes Element einen Spulenkörper 1 mit zwei Flanschen 2 und 3 und einer Wicklung 4, wobei in jedem der Spulenflansche ein Spulenanschlußelement 5 bzw. 6 befestigt ist. Diese Spulenanschlußelemente 5 und 6 können in den Spulenkörper mit eingespritzt sein; im vorliegenden Ausführungsbeispiel sind sie jeweils mit einem Quersteg 5a bzw. 6a in entsprechenden Nuten des jeweiligen Spulenflansches oder eines Fortsatzes des Spulenflansches durch Stecken verankert. Der Spulenkörper besitzt eine Axialbohrung 1a zum Einstecken eines nicht gezeigten Kerns, der im Bereich des Spulenflansches 2 mit einem Joch 7 verbunden ist. Dieses Joch 7 ist winkelförmig ausgestaltet, wobei der Schenkel 7a mit dem erwähnten Kern verbunden ist, während sich der Schenkel 7b neben der Spulenwicklung in etwa parallel zu deren Achse erstreckt, jedoch nicht die volle Länge der Spule erreicht. An das freie Ende des Jochschenkels 7b ist ein Anschlußstück 8 angesetzt, welches im wesentlichen abgewinkelt ausgebildet ist. Dabei erstreckt sich der Längsabschnitt 8a des Anschlußstücks parallel zum Jochschenkel 7b, während der Querabschnitt 8b des Anschlußstücks mit zwei gabelförmig angeformten Stegen 8c und 8d an der freien Stirnseite des Jochschenkels 7b, nämlich an den Stirnflächen 7c und 7d, anliegt. Die Stege 8c und 8d des Anschlußstücks umfassen dabei gabelförmig einen Fortsatz 7e, der als Abstützung für die Lagerung eines Ankers 9 dient. An der Unterseite des Steges 8d ist ein Kontakt-Anschlußelement 8e angeformt.The relay shown in FIGS. 1 to 3 has as a supporting element a coil body 1 with two flanges 2 and 3 and a winding 4, a coil connecting element 5 and 6 being fastened in each of the coil flanges. These coil connection elements 5 and 6 can be injected into the coil body; in the present exemplary embodiment, they are each anchored with a crossbar 5a or 6a in corresponding grooves of the respective coil flange or an extension of the coil flange. The coil former has an axial bore 1 a for inserting a core, not shown, which is connected to a yoke 7 in the region of the coil flange 2. This yoke 7 is of an angular configuration, the leg 7a being connected to the core mentioned, while the leg 7b extends next to the coil winding approximately parallel to its axis, but does not reach the full length of the coil. At the free end of the yoke leg 7b, a connecting piece 8 is attached, which is essentially angled. The longitudinal section 8a of the connector extends parallel to the yoke leg 7b, while the transverse section 8b of the connector with two fork-shaped webs 8c and 8d bears against the free end face of the yoke leg 7b, namely against the end faces 7c and 7d. The webs 8c and 8d of the connecting piece in the form of a fork comprise an extension 7e which serves as a support for the mounting of an armature 9. A contact connection element 8e is formed on the underside of the web 8d.

Der Anker 9 ist winkelförmig ausgebildet und mit seinem Schenkel 9a in dem zwischen dem Querschenkel 8b des Anschlußstücks und dem Fortsatz 7e des Joches gebildeten Winkel gelagert. Der zweite Ankerschenkel 9b ist stirnseitig vor dem Spulenflansch 3 etwa senkrecht zur Spulenachse angeordnet und bildet einen Arbeitsluftspalt mit dem erwähnten, nicht sichtbaren Kern. Zur Halterung und Rückstellung des Ankers dient eine Blattfeder 10, welche mit einem Rückstellschenkel 10a an dem Anschlußstück 8 befestigt ist, mit dem Ankerhalteschenkel 10b auf dem Ankerschenkel 9b befestigt ist und mit ihrem freien Ende einen Kontaktfederschenkel 10c bildet, der über das freie Ankerende hinaus verlängert ist. Durch die Winkelform des Ankers 9 wird sein Drehpunkt aus der Kontaktebene heraus verlagert, wodurch eine erhöhte Kontaktreibung mit dem Effekt der Selbstreinigung erzielt wird.The armature 9 is of an angular shape and is supported with its leg 9a in the angle formed between the cross leg 8b of the connecting piece and the extension 7e of the yoke. The second armature leg 9b is arranged on the front side in front of the coil flange 3 approximately perpendicular to the coil axis and forms a working air gap with the aforementioned, invisible core. A leaf spring 10 is used to hold and reset the armature, which is fastened to the connecting piece 8 with a restoring leg 10a, is fastened to the armature holding leg 10b on the armature leg 9b and forms a contact spring leg 10c with its free end, which extends beyond the free armature end is. Due to the angular shape of the armature 9, its pivot point is shifted out of the contact plane, whereby an increased contact friction with the effect of self-cleaning is achieved.

Bei der Montage des Relais wird zunächst das Joch 7 mit dem Spulenkörper 1 verbunden, während eine Ankerbaugruppe, bestehend aus dem Anker 9, dem Anschlußstück 8 und der Blattfeder 10, vormontiert und dann als Ganzes auf das Joch aufgesetzt bzw. mit dem Jochschenkel 7b verbunden wird. Die vormontierte Ankerbaugruppe ist in Fig. 5 gezeigt. Dabei ist zu sehen, daß die Blattfeder 10 mit ihrem Rückstellschenkel 10a auf einen mittleren Befestigungsschenkel 8f des Anschlußstücks 8 aufgeschweißt wird, welcher seinerseits zwischen zwei Verbindungslappen 8g des Anschlußstücks liegt. Die beiden Verbindungslappen 8g sind zum Jochschenkel 7b hin gekröpft, so daß der Befestigungslappen 8f einen freien Abstand zum Jochschenkel 7b aufweist und somit zur Justierung der Blattfeder 10 bzw. des Ankers 9 gebogen werden kann. Um diese Biegejustierung zu erleichtern, ist außerdem an dem Befestigungslappen 8f eine Sollbiegestelle 11 vorgesehen. Die vormontierte Ankerbaugruppe gemäß Fig. 5 wird auf das mit dem Spulenkörper 1 verbundene Joch 7 aufgesetzt und über die Verbindungslappen 8g mit dem Jochschenkel 7b verschweißt. Natürlich kommen für die genannten Schweißverbindungen auch andere, dem Fachmann geläufige Verbindungsmethoden, wie Löten oder Nieten, in Betracht. Das erwähnte Justieren durch Biegen an dem Befestigungslappen 8f wird nach der Montage der Ankerbaugruppe auf dem Joch bzw. nach der Montage zusätzlicher Gegenkontaktelemente vorgenommenWhen installing the relay, the yoke 7 is first connected to the coil former 1, while an armature assembly consisting of the armature 9, the connecting piece 8 and the leaf spring 10 is preassembled and then placed as a whole on the yoke or connected to the yoke leg 7b becomes. The pre-assembled armature assembly is shown in Fig. 5. It can be seen that the leaf spring 10 is welded with its restoring leg 10a onto a middle fastening leg 8f of the connecting piece 8, which in turn lies between two connecting tabs 8g of the connecting piece. The two connecting tabs 8g are cranked toward the yoke leg 7b, so that the fastening tab 8f has a free distance from the yoke leg 7b and can thus be bent to adjust the leaf spring 10 or the armature 9. In order to facilitate this bending adjustment, a predetermined bending point 11 is also provided on the fastening tab 8f. 5 is placed on the yoke 7 connected to the coil former 1 and welded to the yoke leg 7b via the connecting tab 8g. Of course, other connection methods known to those skilled in the art, such as soldering or riveting, can also be used for the welded connections mentioned. The aforementioned adjustment by bending on the fastening tab 8f is carried out after the armature assembly has been mounted on the yoke or after the mounting of additional mating contact elements

Durch die Verbindung der Blattfeder 10 mit dem Anschlußstück 8 ist die Kontaktfeder 10c auch mit dem zugehörigen Anschlußelement 8e verbunden. Wenn für bestimmte Anschlußzwecke sehr hohe Ströme zu schalten sind, kann es zweckmäßig sein, das Kontaktstück 12 der Kontaktfeder 10c unmittelbar über ein flexibles Leiterelement, beispielsweise eine in Fig. 5 zusätzlich dargestellte Litze 13, mit dem Anschlußstück 8 zu verbinden.By connecting the leaf spring 10 to the connector 8, the contact spring 10c is also connected to the associated connector 8e. If very high currents are to be switched for certain connection purposes, it may be expedient to connect the contact piece 12 of the contact spring 10c directly to the connection piece 8 via a flexible conductor element, for example a strand 13 shown in FIG. 5.

Durch eine Abwandlung des Anschlußstücks 8 kann im Relais auch die Ansprecherregung erhöht werden. Ein derartig abgewandeltes Anschlußstück 18 ist in Fig. 4 gezeigt. Dort ist das Anschlußelement 18e nicht unmittelbar an den Querschenkel 18b angeformt, vielmehr besitzt dort das Anschlußstück eine zusätzliche Zwischenleiste 18h, welche im wesentlichen über den Steg 18i an dem Querschenkel 18b hängt. Zwar ist auch auf der Unterseite ein weiterer Steg 18k aus Stabilitätsgründen vorgesehen, doch ist dessen Querschnitt so bemessen, daß er für den Schaltstrom, der vom Anschlußelement 18e zur Blattfeder 10 fließt, einen hohen Widerstand darstellt, so daß der Großteil des Stroms über den Steg 18i fließt. Ein montiertes Relais mit einem derartigen Anschlußstück 18 ist in Fig. 6 gezeigt. Daraus wird ersichtlich, daß in diesem Fall der Schaltstrom über das Anschlußelement 18e und die Zwischenleiste 18h zum Längsschenkel 18a des Anschlußstücks und von da über die Blattfeder 10 (oder umgekehrt) fließt, so daß also der Strom in einer nahezu vollständigen Schleife um den Jochfortsatz 7e bzw. den Ankerschenkel 9a herumgeführt wird und auf diese Weise in diesen Magnetkreisteilen einen zusätzlichen Erregerfluß erzeugt. Bei entsprechender Polung der Schaltkontakte addiert sich dieser zusätzliche Fluß zum Erregerfluß der Spulenwicklung 4. Somit wird gerade im Augenblick des Ansprechens des Relais, wenn ein Spitzen-Einschaltstrom fließt, die Anzugsbewegng des Ankers durch diese zusätzliche Erregung unterstützt. Dies ist besonders von Vorteil für die Fäl le, wo sowohl der Erregerstrom als auch der Schaltstrom von einer gemeinsamen Gleichstromquelle, beispielsweise einer Autobatterie, bezogen wird. In diesen Fällen besteht nämlich sonst die Gefahr, daß bei hohen Einschaltströmen die Batteriespannung zusammenbricht und aufgrund des verringerten Erregerstroms der Anker nicht sicher anzieht. Durch die beschriebene Ausgestaltung des Anschlußstücks 18 kann somit die Ansprechsicherheit des Relais verbessert werden.By modifying the connector 8, the pickup excitation can also be increased in the relay. Such a modified connector 18 is shown in Fig. 4. There, the connection element 18e is not directly molded onto the cross leg 18b, rather the connection piece there has an additional intermediate strip 18h, which essentially hangs on the cross leg 18b via the web 18i. Although a further web 18k is also provided on the underside for reasons of stability, its cross section is dimensioned such that it represents a high resistance to the switching current flowing from the connecting element 18e to the leaf spring 10, so that the majority of the current flows through the web 18i flows. A mounted relay with such a connector 18 is shown in Fig. 6. From this it can be seen that in this If the switching current flows via the connecting element 18e and the intermediate bar 18h to the longitudinal leg 18a of the connecting piece and from there via the leaf spring 10 (or vice versa), so that the current is conducted in an almost complete loop around the yoke extension 7e or the armature leg 9a and in this way generates an additional excitation flux in these magnetic circuit parts. If the switching contacts are appropriately polarized, this additional flux is added to the excitation flux of the coil winding 4. Thus, just at the moment the relay responds when a peak inrush current flows, the armature pull-up movement is supported by this additional excitation. This is particularly advantageous for cases where both the excitation current and the switching current are obtained from a common direct current source, for example a car battery. In these cases there is otherwise a risk that the battery voltage will collapse at high inrush currents and the armature will not pull up securely due to the reduced excitation current. The reliability of the relay can thus be improved by the described configuration of the connector 18.

Wie aus Fig. 1 zu ersehen ist, besitzt der Spulenkörperflansch 3 einen Einsteckschacht 14 zur Aufnahme eines Gegenkontaktelementes 15, der mit dem Kontaktstück 12 der Kontaktfeder 10c zusammenwirkt. An diesem Gegenkontaktelement 15 ist ein in der Zeichnung nicht sichtbares Anschlußelement angeformt. Damit sind beim Relais gemäß Fig. 1 alle Funktionselemente am Spulenkörper befestigt bzw. mittelbar mit diesem verbunden, so daß nach der Montage dieser Teile am Spulenkörper das Relais funktionsfähig ist. Ein Sockel 16 wird dann von der Unterseite her lediglich über die Anschlußelemente, beispielsweise 6 und 8e, gesteckt, während von der Oberseite eine nicht gezeigte Gehäusekappe übergestülpt wird.As can be seen from FIG. 1, the coil body flange 3 has an insertion shaft 14 for receiving a mating contact element 15, which cooperates with the contact piece 12 of the contact spring 10c. On this mating contact element 15, a connection element, which is not visible in the drawing, is formed. Thus, in the relay according to FIG. 1, all functional elements are fastened to the bobbin or indirectly connected to it, so that after the assembly of these parts on the bobbin, the relay is functional. A base 16 is then inserted from the bottom only over the connection elements, for example 6 and 8e, while a housing cap, not shown, is put over from the top.

Das Relais kann jedoch verschiedene Abwandlungen der Kontaktanordnung erhalten, wie in Fig. 7 und 8 beispielsweise gezeigt ist. So ist am Spulenkörperflansch 3 ein Ansatz 3a mit einem Durchbruch 3b zur Aufnahme eines weiteren Gegenkontaktelementes 17 angeformt. Wie in Fig. 7 zu sehen ist, wird dieses Gegenkontaktelement 17 in einem Steckschacht 16a des Sockels 16 befestigt und bei der Montage des Sockels mit seinem Fortsatz 17a in den Durchbruch 3b eingesteckt Dadurch wird das Gegenkontaktelement 17, das gemäß Fig. 7 Teil eines Umschaltkontaktes ist, gut positioniert; außerdem wird auf diese Weise ein prellarmes Schalten des Öffner-Kontaktpaares gewährleistet.However, the relay can receive various modifications to the contact arrangement, as shown in FIGS. 7 and 8, for example. Thus, an extension 3a with an opening 3b for receiving a further mating contact element 17 is formed on the coil former flange 3. As can be seen in FIG. 7, this mating contact element 17 is fastened in a plug-in shaft 16a of the base 16 and inserted with its extension 17a into the opening 3b during assembly of the base. As a result, the mating contact element 17, which according to FIG. 7 is part of a changeover contact is well positioned; this also ensures that the NC contact pair switches with little bounce.

Fig. 8 zeigt eine weitere Abwandlung der Kontaktanordnung. In diesem Fall ist in dem Steckschacht 14 ein zusätzliches Gegenkontaktelement 19 eingefügt, welches mit einem zusätzlichen Schenkel 10d der Blattfeder 10 zusammenwirkt. Wenn das Gegenkontaktelement 19 mit einem eigenen Anschluß versehen ist, handelt es sich bei der Anordnung gemäß Fig. 8 um eine Brückenkontaktanordnung, so daß das Anschlußstück 8 überhaupt keine stromleitende Funktion zu erfüllen hat. Es ist aber auch möglich, das Gegenkontaktelement 19 mit dem Gegenkontaktelement 15 zu verbinden, so daß die Funktion eines Doppelkontaktes erreicht wird. Dabei kann der Kontaktabstand zwischen dem Kontaktelement 19 und dem Federschenkel 10d einerseits sowie zwischen dem Gegenkontaktelement 15 und dem Federschenkel 10c unterschiedlich eingestellt werden, wodurch ein Vorlaufkontakt geschaffen werden kann. Darüber hinaus sind auch noch weitere Abwandlungen der Kontaktanordnung denkbar.Fig. 8 shows a further modification of the contact arrangement. In this case, an additional mating contact element 19 is inserted in the slot 14, which cooperates with an additional leg 10d of the leaf spring 10. If the mating contact element 19 is provided with its own connection, the arrangement according to FIG. 8 is a bridge contact arrangement, so that the connection piece 8 does not have to perform any current-carrying function at all. However, it is also possible to connect the mating contact element 19 to the mating contact element 15, so that the function of a double contact is achieved. The contact distance between the contact element 19 and the spring leg 10d on the one hand and between the mating contact element 15 and the spring leg 10c can be set differently, as a result of which a lead contact can be created. In addition, further modifications of the contact arrangement are also conceivable.

Das Relais kann zudem mit weiteren Bauelementen bestückt werden, beispielsweise Widerständen oder Dioden, die in Reihe oder parallel zur Spulenwicklung geschaltet werden. So ist in Fig. 2 eine Ausführungsform gezeigt, bei der ein Parallelbauteil 20 zwischen den beiden Spulenflanschen 2 und 3 angeordnet und mit seinen Anschlußenden jeweils an die Querstege 5a bzw. 6a der Spulenanschlußelemente 5 bzw. 6 angeschweißt oder angelötet ist. Auch die Serienschaltung eines solchen Bauelementes ist möglich. Zu diesem Zweck ist der Quersteg 6a mit einer Kerbe 6c versehen, so daß ein Haltelappen 6b getrennt im Spulenflansch 3 verankert und nur durch einen schmalen Steg 6d mit dem Anschlußelement 6 verbunden ist. Soll nun beispielsweise eine Diode 21 in Serie vor die Spulenwicklung geschaltet werden, so wird der Steg 6d durchgetrennt, und die Diode 21 wird auf der Rückseite des Anschlußelementes 6 auf die nunmehr getrennten Stege 6a und 6b aufgeschweißt, wie dies in Fig. 9 gezeigt ist. In Fig. 2 und Fig. 9 ist auch zu sehen, daß zur Befestigung und Kontaktierung des Wicklungsendes 4a ein Lappen 6e herausgebogen wird, neben dem das Wicklungsende 4a eingeklemmt und dann verlötet wird. Das entgegengesetzte Wicklungsende wird in entsprechender Weise an einem Lappen des Anschlußelementes 5 befestigt und kontaktiert.The relay can also be equipped with other components, such as resistors or diodes, which are connected in series or parallel to the coil winding. 2 shows an embodiment in which a parallel component 20 is arranged between the two coil flanges 2 and 3 and its connection ends are welded or soldered to the transverse webs 5a and 6a of the coil connection elements 5 and 6, respectively. Series connection of such a component is also possible. For this purpose, the transverse web 6a is provided with a notch 6c, so that a retaining tab 6b is anchored separately in the coil flange 3 and is only connected to the connecting element 6 by a narrow web 6d. If, for example, a diode 21 is now to be connected in series in front of the coil winding, the web 6d is cut through, and the diode 21 is welded onto the rear of the connecting element 6 onto the now separated webs 6a and 6b, as shown in FIG. 9 . In FIGS. 2 and 9 it can also be seen that a tab 6e is bent out for fastening and contacting the winding end 4a, next to which the winding end 4a is clamped and then soldered. The opposite winding end is fastened and contacted in a corresponding manner on a tab of the connecting element 5.

Claims (12)

1. Electromagnetic relay comprising a coil (1, 4) having an axis extending in parallel with the plane of connection of the relay, in which relay in a first flange (3) of the coil former (1) at least one fixed counter-contact element (15) and in both flanges (2, 3) in each case a winding support point (5, 6) are secured, with a core inserted into the coil former (1) in the axial direction, with an angular yoke (7), the first leg (7a) of which is coupled to one core end and the second leg (7b) of which extends in parallel with the coil axis adjacently to the winding, with an armature (9) supported in front of the free end of the second yoke leg (7b), which armature forms an operating air gap with the free core end, with a leaf spring (10) secured at the armature (9), which spring with a restoring leg (10a) effects the supporting of the armature (9) with respect to the yoke (7) and with at least one contact spring leg (10c) interacts with the counter-contact element (15), as well as with a connecting element (8) which is electrically conductively connected to the leaf spring (10), characterized in that at the free end of the second yoke leg (7b) a separately produced connecting member (8; 18) is secured, which exhibits a support for the armature (9), a securing section (8f) for the leaf spring (10) and the integrally formed-on contact connecting element (8e) for the leaf spring (10), and in that the winding support points are directly formed by coil connecting elements (5, 6) anchored in the respective coil former flange (2, 3).
2. Relay according to Claim 1, characterized in that the connecting member (8; 18) is constructed to be angled-away, at least one longitudinal section (8a; 18a) resting laterally against the second yoke leg (7b) and at least one transverse section (8b; 18b) resting against the free front face (7c, 7d) of the second yoke leg (7b).
3. Relay according to Claim 2, characterized in that the second yoke leg (7b) engages with an offset extension (7e) between bifurcated webs (8c, 8d) of the connecting member (8).
4. Relay according to Claim 2 or 3, characterized in that the longitudinal section (8a) of the connecting member (8) exhibits two connecting tongues (8g) bent at right angles and secured flat on the second yoke leg (7b) and a securing tongue (8f) for the leaf spring (10) between these connecting tongues.
5. Relay according to Claim 4, characterized in that the securing tongue (8f; 18f) has a clearance from the yoke leg (7b) and exhibits a design bending point (11).
6. Relay according to one of Claims 3 to 5, characterized in that the annature (9) is angled-away and is supported with its support leg (9a) af the extension (7e) of the second yoke leg (7b).
7. Relay according to one of Claims 2 to 6, characterized in that the connecting element (18e) is formed onto the connecting member (18) via an intermediate strip (18h) which extends between the coil winding (4), on the one hand, and the armature (9) or the second yoke leg (7b), respectively, on the other hand, andis essentially joined to the connecting member (18) only in the area of the upper yoke edge via a web of good conductivity and having a large cross-section (18i).
8. Relay according to one of Claims 1 to 7, characterized in that the winding support points at the coil connecting elements (5, 6) are in each case constructed as exposed soldering tongues (6e).
9. Relay according to one of Claims 1 to 8, characterized in that a component (20) connected in parallel with the winding (4) is provided between the two coil connecting elements (5, 6).
10. Relay according to one of Claims 1 to 9, characterized in that one of the coil connecting elements (6) exhibits two sections (6a, 6b) anchored in the coil flange (3), which are connected via a removable web (6d) outside the coil flange (3).
11. Relay according to one of Claims 1 to 10, characterized in that the coil flange (3) carrying the counter-contact element (15) exhibits a projection (3a) for supporting a further counter-contact element (17) anchored in a base (16).
12. Relay according to one of Claims 1 to 10, characterized in that two counter-contact elements (15, 19), located above one another in one plane, are arranged in a plug-in well (14) of the coil flange (3) for forming a bridge or double contact.
EP87107291A 1986-05-22 1987-05-19 Electromagnetic relay Expired - Lifetime EP0246621B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87107291T ATE57044T1 (en) 1986-05-22 1987-05-19 ELECTROMAGNETIC RELAY.

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DE3617188 1986-05-22
DE3617188 1986-05-22

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EP0246621A1 EP0246621A1 (en) 1987-11-25
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EP (1) EP0246621B1 (en)
JP (1) JPS62290031A (en)
AT (1) ATE57044T1 (en)
DE (1) DE3765176D1 (en)
ES (1) ES2017668B3 (en)

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EP0281950B1 (en) * 1987-03-13 1992-08-05 Siemens Aktiengesellschaft Electromagnetic relay
US4937543A (en) * 1988-01-28 1990-06-26 Siemens Aktiengesellschaft Relay assembly having plug connections
EP0329138B1 (en) * 1988-02-19 1993-06-23 Siemens Aktiengesellschaft Electromagnetic relay
DE8908257U1 (en) * 1989-07-06 1990-10-31 Robert Bosch Gmbh, 70469 Stuttgart Electromagnetic relay
BR9001560A (en) * 1990-04-04 1990-11-06 Schrack Eletronica Ltda TELE PERFECTED MINIATURE
US5281937A (en) * 1992-07-14 1994-01-25 Fasco Industries, Inc. Electromagnetic contactor and method for making same
DE59601280D1 (en) * 1995-08-23 1999-03-18 Siemens Ag ELECTROMAGNETIC RELAY AND ITS USE ON A CIRCUIT BOARD
DE19537612C1 (en) * 1995-10-09 1997-01-09 Siemens Ag Electromagnetic relay and process for its manufacture
JP3593774B2 (en) * 1996-01-09 2004-11-24 オムロン株式会社 Electromagnetic relay
US5982257A (en) * 1996-10-31 1999-11-09 Siemens Electromechanical Components, Inc. Integral armature retention spring for electromagnetic relays
JP4424042B2 (en) * 2004-04-06 2010-03-03 住友電装株式会社 Automotive relays and electrical junction boxes
DE102015201703A1 (en) * 2015-01-30 2016-08-04 Te Connectivity Germany Gmbh Low-noise switching electrical switching device

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DE1112786B (en) * 1958-10-27 1961-08-17 Rausch & Pausch Relay provided with a hinged armature, especially small relays
JPS5815893B2 (en) * 1978-11-01 1983-03-28 オムロン株式会社 electromagnetic relay
US4254391A (en) * 1979-09-17 1981-03-03 Fasco Industries, Inc. Split armature relay
CA1209184A (en) * 1983-02-28 1986-08-05 Mitsuki Nagamoto Electromagnetic relay structure
US4686506A (en) * 1983-04-13 1987-08-11 Anico Research, Ltd. Inc. Multiple connector interface
US4533889A (en) * 1983-12-14 1985-08-06 Amf Incorporated Relays and method for mounting relays on printed circuit boards
DE3428595A1 (en) * 1984-08-02 1986-02-20 Siemens AG, 1000 Berlin und 8000 München Electromagnetic relay

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ATE57044T1 (en) 1990-10-15
EP0246621A1 (en) 1987-11-25
JPS62290031A (en) 1987-12-16
ES2017668B3 (en) 1991-03-01
DE3765176D1 (en) 1990-10-31

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