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EP0513010B1 - Electromagnetic relay - Google Patents

Electromagnetic relay Download PDF

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Publication number
EP0513010B1
EP0513010B1 EP91900774A EP91900774A EP0513010B1 EP 0513010 B1 EP0513010 B1 EP 0513010B1 EP 91900774 A EP91900774 A EP 91900774A EP 91900774 A EP91900774 A EP 91900774A EP 0513010 B1 EP0513010 B1 EP 0513010B1
Authority
EP
European Patent Office
Prior art keywords
coil
winding
base
case
fastening
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
EP91900774A
Other languages
German (de)
French (fr)
Other versions
EP0513010A1 (en
Inventor
Michael Dittmann
Horst Hendel
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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Filing date
Publication date
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Publication of EP0513010A1 publication Critical patent/EP0513010A1/en
Application granted granted Critical
Publication of EP0513010B1 publication Critical patent/EP0513010B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/44Magnetic coils or windings
    • H01H50/443Connections to coils
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/02Bases; Casings; Covers
    • H01H50/04Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041Details concerning assembly of relays
    • H01H50/042Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/44Magnetic coils or windings
    • H01H2050/446Details of the insulating support of the coil, e.g. spool, bobbin, former
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/02Bases; Casings; Covers
    • H01H50/021Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/44Magnetic coils or windings

Definitions

  • Such relays are known in many configurations, for example from EP-A-0 281 950.
  • the problem with such relays is to connect the coil and the base including the functional parts of the relay attached to them as well and as simply as possible.
  • contact elements can be fastened in the base or in the coil body by plugging in, which also enables automated assembly without further ado.
  • a possibility is already given to form an additional holding arm on a contact element for fastening the coil former on the base. Otherwise, the connection of the coil and base is essentially secured by welded-on winding connections and finally by a housing cap.
  • the aim of the invention is to improve the connection of the bobbin and base in a relay of the type mentioned, with as few individual parts as possible to enable automated assembly.
  • the connection elements should be designed so that the winding ends can be wound easily and without additional winding elements, with as few connection points as possible in the electrical circuit of the coil.
  • a method for producing such a relay is to be specified.
  • the coil connection elements each have hook-shaped mounting legs which are parallel to the coil axis and thus to the base plane and which engage in corresponding plug-in channels on at least one coil flange, but expediently, however, on both coil flanges.
  • the coil connection elements By anchoring the coil connection elements in the base, the coil body is thus held in a form-fitting manner on the base. Since these fastening legs also have molded-on winding pieces, which of course protrude from the respective plug-in channel, no additional winding support points are required for winding the winding ends; in the coil circuit, there is also no need for additional electrical connection points.
  • An expedient method for producing a relay according to the invention is that the coil connection elements are first inserted with their fastening legs into a corresponding plug-in channel of a coil flange, that the winding is then applied to the coil former and the winding ends are each connected to a winding piece of a connection element and that finally the coil is connected to the base, the coil connecting elements being anchored in plug-in shafts of the base.
  • the fastening legs are in each case from the outside of a coil flange facing away from the winding in the direction of the winding inserted into the flange, the winding pieces each lying outside the plug-in channel.
  • the fastening legs and the associated plug-in channels are each designed so that they can be fixed both in an intermediate position and in an end position, the respective winding piece being closer to the winding in the end position than when it is in the intermediate position.
  • each coil connecting element has in each case a fastening section lying parallel to the base plane of the base with the one or more horizontal fastening legs, from each of which a flat plug is bent vertically downward.
  • the flat plugs are used not only to anchor the coil or the coil assembly in the base, but also for the direct plug connection of both winding ends in a mounting base.
  • the contact is made from the respective attachment piece to the plug contact via the one-piece coil connecting element, without any connection points in the form of a welding point or a soldering point being located therebetween.
  • a coil former 1 made of insulating material, the hollow coil tube of which serves to receive a core (not shown).
  • the coil former 1 has a flange 11 and 12 at each end.
  • the fully wound and equipped coil former is placed on a base 2 (FIG. 3), which is also made of insulating material.
  • coil connection elements 3 and 4 are inserted into the coil flanges, which connect the coil body to the base.
  • contact elements 5 and 6 with their connecting elements and, if appropriate, also separate connecting elements 7 and 8 are anchored in corresponding formations and recesses in the coil former or the base.
  • the design of these parts is known, as is the rest of the structure, so that it will not be discussed further here.
  • each coil flange has plug-in channels which run parallel to the coil axis or parallel to the base plane of the relay.
  • the coil flange 11 has a laterally open plug-in channel 13 and a closed plug-in channel 14 and also a not visible plug-in channel 15.
  • a laterally open plug-in channel 16 is provided next to a closed plug-in channel 17.
  • the coil connecting element 3 forms a flat plug 31, which is perpendicular in the normal installation position, and a fastening part 32 bent at right angles on the upper side. On the latter, three fastening legs 33, 34 and 35 are cut free, which for horizontal insertion into the corresponding plug-in channels 13, 14 and 15 (not visible ) serve.
  • a winding piece 36 is formed on the side, which remains outside the insertion channel 13 even when the fastening legs 33, 34 and 35 are inserted into the corresponding plug-in channels of the coil flange 11 and is therefore suitable for winding a winding end.
  • a Retaining web 37 formed with a clamping slot 37a for fastening and contacting an additional component.
  • Embossments 38 are formed on the fastening legs 34 and 35 and are used to temporarily fix the respective fastening leg in the associated plug-in channel.
  • connection element 3 In a similar manner to that of the connection element 3, a vertical flat plug 41 and a fastening part 42 bent at right angles to it are also formed in the coil connection element 4.
  • Fastening legs 43 and 44 are in turn formed on this fastening part, which can be inserted into corresponding plug-in channels 16 and 17 of the bobbin flange 12.
  • a winding piece 46 is formed on the side, which always protrudes laterally from the open plug-in channel 16 even when it is inserted into the coil former, in order to serve for winding a winding end.
  • a retaining web 47 with a clamping slot 47a for fastening and contacting an additional component is formed on the fastening leg 43.
  • An embossing 48 corresponding to the embossing 38 is also formed in each of the fastening legs 43 and 44.
  • the coil connecting elements 3 and 4 are inserted into the coil body 1, the mounting legs 33, 34 and 35 being inserted into the plug-in channels 13, 14 and 15 up to an intermediate position in which the respective mounting legs and the flat plug 31 are not yet connected to the Project the inner wall of the coil flange 11 facing the winding area.
  • the coil connecting element 4 with its fastening legs 43 and 44 is inserted into the coil flange 12 up to a corresponding intermediate position.
  • the respective fastening legs are temporarily locked by the embossments 38 and 48.
  • the winding 10 is then applied, the winding ends 10a and 10b being wound onto the corresponding winding pieces 36 and 46 and being soldered or welded.
  • the coil former After the coil former has been fitted with the further magnetic circuit parts (not shown), it is placed on the base 2, the tabs 31 and 41 being inserted into the corresponding plug-in shafts 21 and 22 of the base 2. After insertion, the connection elements 3 and 4 are fixed with the latching tabs 39 and 49, which are bent out laterally (FIG. 3).
  • FIGS. 1 to 3 show an application example in which the winding ends are led out of the relay directly via the two coil connection elements 3 and 4 and their tabs 31 and 41, respectively.
  • a component such as a resistor or a diode
  • FIG. 4 shows a section of the coil flange 11 from FIG. 2.
  • the coil connecting element 3 is replaced by a modified connecting element 130 which, as in the case described above, has a fastening section 132 with fastening legs 133 and 134 and with these in the plug-in channels 13 and 14 the coil flange 11 is attached.
  • the corresponding winding end is fastened to the winding piece 136, and the holding web 137 with the clamping slot 137a is used for the clamping fastening of a connecting wire for the component mentioned.
  • the coil connection element 130 does not have a flat plug, but only a holding pin formed vertically downwards, the length of which extends only far enough into the base and to the underside thereof, that an anchoring, for example by notching, in the base is possible.
  • the current path thus leads from the winding end in question via the coil connection element 130 and the holding web 137 to the component (not shown), the end of the component opposite the holding web 137 being connected in a suitable manner to a separate connector plug (not shown) (or also a soldering pin), which in turn is anchored electrically separately from the coil connection element 130 in the base or in the coil body.
  • a separate connector plug not shown
  • soldering pin soldering pin

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Magnetic Treatment Devices (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Cookers (AREA)
  • Surgical Instruments (AREA)
  • Valve Device For Special Equipments (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

PCT No. PCT/EP90/02077 Sec. 371 Date Mar. 18, 1992 Sec. 102(e) Date Mar. 18, 1992 PCT Filed Dec. 3, 1990 PCT Pub. No. WO91/11818 PCT Pub. Date Aug. 8, 1991.A relay has a coil body (1) as a support for a magnet system and also a base. Coil connection elements (3, 4) serve for the connection between coil body and base, which coil connection elements are fastened with horizontal fastening legs (33, 34, 35, 43, 44) in corresponding horizontal insert channels (13, 14, 15, 16, 17) of the coil flanges (11, 12). In addition, wind-on pieces (36, 46) which directly support the winding ends of the coil are formed onto the coil connection elements (3, 4). This results in a manufacture of the relay with few component parts which is simple and can be automated.

Description

Die Erfindung betrifft ein elektromagnetisches Relais mit folgenden Merkmalen:

  • a) ein Spulenkörper trägt eine zwischen zwei Spulenflanschen aus Isolierstoff aufgebrachte Wicklung sowie weitere Magnetkreisteile;
  • b) der Spulenkörper ist auf einem Sockel aus Isolierstoff befestigt, wobei die Spulenachse parallel zur Grundebene des Sockels liegt;
  • c) in dem Sockel sind Spulenanschlußelemente und Kontaktanschlußelemente in Steckschächten senkrecht zur Grundebene stehend verankert.
The invention relates to an electromagnetic relay with the following features:
  • a) a bobbin carries a winding between two coil flanges made of insulating material and further magnetic circuit parts;
  • b) the coil body is fastened on a base made of insulating material, the coil axis being parallel to the base plane of the base;
  • c) Coil connection elements and contact connection elements are anchored in plug-in shafts standing perpendicular to the base plane in the base.

Derartige Relais sind in vielen Ausgestaltungen bekannt, beispielsweise aus EP-A-0 281 950. Generell besteht bei derartigen Relais das Problem, die Spule und den Sockel einschließlich der auf ihnen befestigten Funktionsteile des Relais möglichst gut und möglichst einfach miteinander zu verbinden. Kontaktelemente können dabei je nach Konstruktion im Sockel oder im Spulenkörper durch Einstecken befestigt werden, was auch ohne weiteres eine automatisierte Montage ermöglicht. In der oben genannten Schrift ist auch bereits eine Möglichkeit angegeben, an einem Kontaktelement einen zusätzlichen Haltearm zur Befestigung des Spulenkörpers auf dem Sockel anzuformen. Ansonsten wird dort die Verbindung von Spule und Sockel im wesentlichen durch angeschweißte Wicklungsanschlüsse und schließlich durch eine Gehäusekappe gesichert.Such relays are known in many configurations, for example from EP-A-0 281 950. In general, the problem with such relays is to connect the coil and the base including the functional parts of the relay attached to them as well and as simply as possible. Depending on the design, contact elements can be fastened in the base or in the coil body by plugging in, which also enables automated assembly without further ado. In the above-mentioned document, a possibility is already given to form an additional holding arm on a contact element for fastening the coil former on the base. Otherwise, the connection of the coil and base is essentially secured by welded-on winding connections and finally by a housing cap.

Für die Spulenanschlüsse besteht bei derartigen Relais insofern ein Problem, als die Spule selbst vorab gewickelt werden muß, wobei die Wicklungsenden gewöhnlich an Wickelstützpunkten befestigt und verlötet werden. Diese Wickelstützpunkte in Form von Drahtstücken oder Blechteilen müssen also zunächst in den Spulenkörperflanschen verankert werden, und sie müssen, bei dem oben genannten Relais nach dem Aufsetzen der Spule auf den Sockel durch Schweißen oder Löten mit den zugehörigen Anschlußelementen im Sockel verbunden werden. Das bedeutet also einen zusätzlichen Aufwand an Einzelteilen und Montagearbeitsgängen sowie mehrere in Serie liegende Verbindungsstellen im Schaltkreis.There is a problem for the coil connections in such relays in that the coil itself has to be wound beforehand, the winding ends usually being attached and soldered to winding support points. These winding support points in the form of wire pieces or sheet metal parts must therefore first of all in the bobbin flanges be anchored, and they must be connected to the above-mentioned relay after the coil has been placed on the base by welding or soldering to the associated connection elements in the base. This means an additional effort for individual parts and assembly work steps as well as several connection points in series in the circuit.

Es sind zwar auch Relais bekannt, bei denen in den Spulenflanschen verankerte Wickelstützpunkte zugleich mit angeformten Anschlußelementen versehen sind, die gegebenenfalls auch durch Ausnehmungen in einem Sockel gesteckt werden können.Relays are also known, in which winding support points anchored in the coil flanges are at the same time provided with integrally formed connecting elements which can optionally also be inserted through recesses in a base.

Probleme gibt es dabei aber auch immer dann, wenn aus Platzgründen oder zur Einhaltung eines bestimmten Anschlußrasters die Anwickelstücke und/oder die Anschlußelemente selbst in den Wickelbereich hineinragen, d. h. in den Bereich, der beim Wikkeln der Spule vom Spulendraht bzw. einem Wickelfinger durchsetzt wird. Für solche Fälle ist es bekannt, Anwickelstücke und/oder Anschlußelemente für den Wickelvorgang in eine Position außerhalb des Wickelbereiches zu bringen und sie erst nach dem Wickeln in ihre endgültige Position im Wickelbereich hineinzubiegen (EP-A-0 082 238). Dies erfordert jedoch aufwendige Biegevorrichtungen. Insbesondere ist eine solche Maßnahme bei Anschlußelementen mit großem Querschnitt, etwa bei Flachstekkern, nicht anwendbar.However, there are always problems if, for reasons of space or to maintain a certain connection grid, the winding pieces and / or the connection elements themselves protrude into the winding area, i. H. in the area penetrated by the coil wire or a winding finger when winding the coil. For such cases, it is known to bring winding pieces and / or connecting elements for the winding process into a position outside the winding area and to bend them into their final position in the winding area only after winding (EP-A-0 082 238). However, this requires complex bending devices. In particular, such a measure cannot be used with connection elements with a large cross-section, for example with flat core.

Ziel der Erfindung ist es, bei einem Relais der eingangs genannten Art die Verbindung von Spulenkörper und Sockel zu verbessern, wobei möglichst wenige Einzelteile eine automatisierte Montage ermöglichen sollen. Dabei sollen die Anschlußelemente so gestaltet sein, daß auch das Anwickeln der Wicklungsenden einfach und ohne zusätzliche Anwickelelemente möglich ist, wobei im elektrischen Schaltkreis der Spule möglichst wenig Verbindungsstellen liegen sollen. Außerdem soll ein Verfahren zur Herstellung eines derartigen Relais angegeben werden.The aim of the invention is to improve the connection of the bobbin and base in a relay of the type mentioned, with as few individual parts as possible to enable automated assembly. The connection elements should be designed so that the winding ends can be wound easily and without additional winding elements, with as few connection points as possible in the electrical circuit of the coil. In addition, a method for producing such a relay is to be specified.

Erfindungsgemäß wird dieses Ziel bei einem Relais der eingangs genannten Art erreicht, welches die folgenden zusätzlichen Merkmale aufweist:

  • d) mindestens einer der Spulenflansche besitzt zumindest einen zur Spulenachse parallelen Steckkanal für einen Befestigungsschenkel, der einstückig an einem Spulenanschlußelement angeformt ist; und
  • e) mit dem Befestigungsschenkel ist jeweils einstückig ein Anwickelstück für je ein Wicklungsende verbunden.
According to the invention, this aim is achieved with a relay of the type mentioned at the beginning, which has the following additional features:
  • d) at least one of the coil flanges has at least one plug-in channel parallel to the coil axis for a fastening leg, which is integrally formed on a coil connecting element; and
  • e) with the fastening leg a winding piece for each winding end is integrally connected.

Bei dem erfindungsgemäßen Relais besitzen also die Spulenanschlußelemente jeweils hakenförmig angeformte, zur Spulenachse und damit zur Grundebene parallele Befestigungsschenkel, die in entsprechende Steckkanäle an mindestens einem Spulenflansch, zweckmäßigerweise jedoch an beiden Spulenflanschen, eingreifen. Durch die Verankerung der Spulenanschlußelemente im Sockel wird somit der Spulenkörper formschlüssig auf dem Sockel gehalten. Da diese Befestigungsschenkel zugleich angeformte Anwickelstükke besitzen, die natürlich aus dem jeweiligen Steckkanal herausragen, sind auch für das Anwickeln der Wicklungsenden keine zusätzlichen Wicklungsstützpunkte erforderlich; im Spulenkreis erübrigen sich damit auch zusätzliche elektrische Verbindungsstellen.In the relay according to the invention, therefore, the coil connection elements each have hook-shaped mounting legs which are parallel to the coil axis and thus to the base plane and which engage in corresponding plug-in channels on at least one coil flange, but expediently, however, on both coil flanges. By anchoring the coil connection elements in the base, the coil body is thus held in a form-fitting manner on the base. Since these fastening legs also have molded-on winding pieces, which of course protrude from the respective plug-in channel, no additional winding support points are required for winding the winding ends; in the coil circuit, there is also no need for additional electrical connection points.

Ein zweckmäßiges Verfahren zur Herstellung eines erfindungsgemäßen Relais besteht darin, daß die Spulenanschlußelemente zunächst jeweils mit ihrem Befestigungsschenkel in einen entsprechenden Steckkanal eines Spulenflansches eingesteckt werden, daß dann die Wicklung auf den Spulenkörper aufgebracht und die Wicklungsenden mit je einem Anwickelstück eines Anschlußelementes verbunden werden und daß schließlich die Spule mit dem Sokkel verbunden wird, wobei die Spulenanschlußelemente in Steckschächten des Sockels verankert werden.An expedient method for producing a relay according to the invention is that the coil connection elements are first inserted with their fastening legs into a corresponding plug-in channel of a coil flange, that the winding is then applied to the coil former and the winding ends are each connected to a winding piece of a connection element and that finally the coil is connected to the base, the coil connecting elements being anchored in plug-in shafts of the base.

In einer bevorzugten Ausführungsform der Erfindung werden die Befestigungsschenkel jeweils von der der Wicklung abgewandten Außenseite eines Spulenflansches in Richtung auf die Wicklung in den Flansch eingesteckt, wobei die Anwickelstücke jeweils außerhalb des Steckkanals liegen. Dabei sind die Befestigungsschenkel und die zugehörigen Steckkanäle jeweils so konstruiert, daß sie sowohl in einer Zwischenposition als auch in einer Endposition fixierbar sind, wobei das jeweilige Anwickelstück in der Endposition näher an der Wicklung liegt als bei Einnahme der Zwischenposition. Somit ist es möglich, daß die Befestigungsschenkel vor dem Aufbringen der Wicklung jeweils nur bis zu der Zwischenposition in die Steckkanäle des jeweiligen Spulenflansches eingesteckt werden und daß sie nach dem Wickeln, jedoch vor der Montage des Spulenkörpers auf dem Sokkel, weiter in die Steckkanäle bis zum Erreichen ihrer Endposition eingesteckt werden. Damit ergibt sich zusätzlich eine Zugentlastung der Wicklungsenden. Außerdem ist es bei einer solchen Konstruktion möglich, daß die Anwickelstücke und/oder die Anschlußelemente selbst in ihrer Endposition in den Wickelbereich hineinragen, während sie in der genannten Zwischenposition noch außerhalb liegen. Zur Fixierung des jeweiligen Befestigungsschenkels in der Zwischenposition können Anformungen, beispielsweise Prägungen, vorgesehen sein, die eine ausreichende Stabilität zwischen Anschlußelement und Spulenkörper beim Wickeln gewährleisten.In a preferred embodiment of the invention, the fastening legs are in each case from the outside of a coil flange facing away from the winding in the direction of the winding inserted into the flange, the winding pieces each lying outside the plug-in channel. The fastening legs and the associated plug-in channels are each designed so that they can be fixed both in an intermediate position and in an end position, the respective winding piece being closer to the winding in the end position than when it is in the intermediate position. Thus, it is possible that the fastening legs are only inserted up to the intermediate position in the plug-in channels of the respective coil flange before the winding is applied, and that they continue into the plug-in channels after winding, but before mounting the bobbin on the base Reaching their end position. This results in additional strain relief for the winding ends. In addition, it is possible with such a construction that the winding pieces and / or the connection elements themselves protrude into the winding area in their end position while they are still outside in the intermediate position mentioned. In order to fix the respective fastening leg in the intermediate position, formings, for example embossings, can be provided which ensure sufficient stability between the connecting element and the coil former during winding.

In einer zweckmäßigen Ausführungsform besitzt jedes Spulenanschlußelement jeweils einen zur Grundebene des Sockels parallel liegenden Befestigungsabschnitt mit dem einen oder mehreren waagerechten Befestigungsschenkeln, von dem aus ein Flachstekker jeweils senkrecht nach unten abgebogen ist. Die Flachstekker dienen hierbei nicht nur zur Verankerung der Spule bzw. der Spulenbaugruppe im Sockel, sondern auch zum direkten Steckanschluß beider Wicklungsenden in einem Aufnahmesockel. In diesem Fall erfolgt also die Kontaktierung von dem jeweiligen Anwikkelstück bis zur Steckkontaktierung über das einstückige Spulenanschlußelement, ohne daß dazwischen irgendwelche Verbindungsstellen in Form eines Schweißpunktes oder einer Lötstelle liegen. Soll jedoch ein weiteres Bauelement, etwa ein Widerstand oder eine Diode, in Serie mit der Spulenwicklung geschaltet werden, so ist es zweckmäßig, zumindest eines der Spulenanschlußelemente lediglich mit einem zur Grundebene des Sockels parallel liegenden Befestigungsabschnitt und mit einem dazu senkrecht abgebogenen Haltezapfen zur Verankerung im Sockel auszubilden. Dieser Haltezapfen besitzt also in diesem Fall keinen Flachstecker oder Anschlußstift, sondern dient nur zur Verbindung zwischen Spulenkörper und Sockel, während der elektrische Strompfad unmittelbar von dem Befestigungsabschnitt zu einem mit ihm verbundenen Bauelement und erst von dort zu einem getrennt im Sockel verankerten Flachstecker (oder auch Lötanschluß) geführt ist. In jedem der beiden Fälle ist es jedoch zweckmäßig, an dem Spulenanschlußelement einen einstückig angeformten Haltesteg zur Befestigung und Kontaktierung eines elektrischen bzw. elektronischen Bauelementes vorzusehen. Dieser Haltesteg besitzt in bevorzugter Ausgestaltung jeweils einen Klemmschlitz für eine lötfreie Klemmkontaktierung.In an expedient embodiment, each coil connecting element has in each case a fastening section lying parallel to the base plane of the base with the one or more horizontal fastening legs, from each of which a flat plug is bent vertically downward. The flat plugs are used not only to anchor the coil or the coil assembly in the base, but also for the direct plug connection of both winding ends in a mounting base. In this case, the contact is made from the respective attachment piece to the plug contact via the one-piece coil connecting element, without any connection points in the form of a welding point or a soldering point being located therebetween. However, if another component, such as a resistor or a diode, is to be connected in series with the coil winding , it is expedient to design at least one of the coil connection elements only with a fastening section lying parallel to the base plane of the base and with a holding pin bent perpendicularly thereto for anchoring in the base. In this case, this holding pin does not have a flat plug or connecting pin, but only serves to connect the coil body and base, while the electrical current path goes directly from the fastening section to a component connected to it and only from there to a flat plug (or else anchored in the base) Solder connection) is performed. In each of the two cases, however, it is expedient to provide an integrally molded retaining web on the coil connecting element for fastening and contacting an electrical or electronic component. In a preferred embodiment, this holding web each has a clamping slot for solder-free clamping contact.

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

  • Figur 1 einen Spulenkörper für ein erfindungsgemäßen Relais und zwei zugehörige Spulenanschlußelemente in Explosionsdarstellung,
  • Figur 2 den Spulenkörper von Figur 1 mit Wicklung und mit eingesteckten Spulenanschlußelementen,
  • Figur 3 den auf einem Sockel montierten Spulenkörper von Figur 2 in Schnittdarstellung,
  • Figur 4 einen Ausschnitt aus Figur 2 mit einer abgewandelten Ausführungsform eines Anschlußelementes.
The invention is explained in more detail below using exemplary embodiments with reference to the drawing. Show it
  • 1 shows a coil body for a relay according to the invention and two associated coil connection elements in an exploded view,
  • FIG. 2 the coil former from FIG. 1 with winding and with inserted coil connecting elements,
  • FIG. 3 shows the coil former from FIG. 2 mounted on a base in a sectional view,
  • Figure 4 shows a detail from Figure 2 with a modified embodiment of a connecting element.

In den Figuren 1 bis 3 ist kein vollständiges Relais gezeigt, sondern es sind lediglich die für die Erfindung wesentlichen Teile, wie Spulenkörper, Sockel und Spulenanschlußelemente näher dargestellt. Die fehlenden Teile des Relais, wie Anker, Joch und Kontaktelemente, soweit nicht in Figur 3 dargestellt, können so gestaltet sein wie etwa bei einem Relais gemäß DE-A-34 28 595 oder EP-A-0 281 950.In Figures 1 to 3, a complete relay is not shown, but only the parts essential to the invention, such as bobbin, base and coil connecting elements are shown in more detail. The missing parts of the relay, like anchors, The yoke and contact elements, if not shown in FIG. 3, can be designed in the same way as for a relay according to DE-A-34 28 595 or EP-A-0 281 950.

Dargestellt ist in den Figuren ein Spulenkörper 1 aus Isolierstoff, dessen hohles Spulenrohr zur Aufnahme eines nicht dargestellten Kerns dient. An beiden Enden besitzt der Spulenkörper 1 jeweils einen Flansch 11 bzw. 12. Der fertig gewickelte und bestückte Spulenkörper wird auf einen Sockel 2 aufgesetzt (Figur 3), der ebenfalls aus Isolierstoff besteht. Zuvor werden in die Spulenflansche jeweils Spulenanschlußelemente 3 bzw. 4 eingesteckt, die den Spulenkörper mit dem Sockel verbinden. Außerdem werden in entsprechenden Anformungen und Ausnehmungen des Spulenkörpers bzw. des Sockels Kontaktelemente 5 und 6 mit ihren Anschlußelementen und gegebenenfalls auch separate Anschlußelemente 7 bzw. 8 verankert. Die Gestaltung dieser Teile ist ebenso wie der übrige Aufbau bekannt, so daß hier nicht weiter darauf eingegangen werden soll.Shown in the figures is a coil former 1 made of insulating material, the hollow coil tube of which serves to receive a core (not shown). The coil former 1 has a flange 11 and 12 at each end. The fully wound and equipped coil former is placed on a base 2 (FIG. 3), which is also made of insulating material. Beforehand, coil connection elements 3 and 4 are inserted into the coil flanges, which connect the coil body to the base. In addition, contact elements 5 and 6 with their connecting elements and, if appropriate, also separate connecting elements 7 and 8 are anchored in corresponding formations and recesses in the coil former or the base. The design of these parts is known, as is the rest of the structure, so that it will not be discussed further here.

Zur Aufnahme der Spulenanschlußelemente besitzt jeder Spulenflansch Steckkanäle, welche parallel zur Spulenachse bzw. parallel zur Grundebene des Relais verlaufen. Der Spulenflansch 11 besitzt einen seitlich offenen Steckkanal 13 sowie einen geschlossenen Steckkanal 14 und außerdem einen nicht sichtbaren Steckkanal 15. Im Spulenflansch 12 ist ein seitlich offener Steckkanal 16 neben einem geschlossenen Steckkanal 17 vorgesehen. Das Spulenanschlußelement 3 bildet einen bei normaler Einbaulage senkrecht stehenden Flachstecker 31 sowie an der Oberseite einen rechtwinkelig abgebogenen Befestigungsteil 32. An letzterem sind drei Befestigungsschenkel 33, 34 und 35 freigeschnitten, die zum waagerechten Einstecken in die entsprechenden Steckkanäle 13, 14 und 15 (nicht sichtbar) dienen. An dem Befestigungsschenkel 33 ist seitlich ein Anwickelstück 36 angeformt, welches auch beim Einstecken der Befestigungsschenkel 33, 34 und 35 in die entsprechenden Steckkanäle des Spulenflansches 11 außerhalt des Steckkanals 13 bleibt und somit zum Anwickeln eines Wicklungsendes geeignet ist. Außerdem ist ein Haltesteg 37 mit einem Klemmschlitz 37a zur Befestigung und Kontaktierung eines zusätzlichen Bauelementes angeformt. An den Befestigungsschenkeln 34 und 35 sind Prägungen 38 ausgeformt, die zur vorübergehenden Fixierung des jeweiligen Befestigungsschenkels in dem zugehörigen Steckkanal dienen.To accommodate the coil connection elements, each coil flange has plug-in channels which run parallel to the coil axis or parallel to the base plane of the relay. The coil flange 11 has a laterally open plug-in channel 13 and a closed plug-in channel 14 and also a not visible plug-in channel 15. In the coil flange 12, a laterally open plug-in channel 16 is provided next to a closed plug-in channel 17. The coil connecting element 3 forms a flat plug 31, which is perpendicular in the normal installation position, and a fastening part 32 bent at right angles on the upper side. On the latter, three fastening legs 33, 34 and 35 are cut free, which for horizontal insertion into the corresponding plug-in channels 13, 14 and 15 (not visible ) serve. On the fastening leg 33, a winding piece 36 is formed on the side, which remains outside the insertion channel 13 even when the fastening legs 33, 34 and 35 are inserted into the corresponding plug-in channels of the coil flange 11 and is therefore suitable for winding a winding end. In addition, is a Retaining web 37 formed with a clamping slot 37a for fastening and contacting an additional component. Embossments 38 are formed on the fastening legs 34 and 35 and are used to temporarily fix the respective fastening leg in the associated plug-in channel.

In ähnlicher Weise wie beim Anschlußelement 3 sind auch beim Spulenanschlußelement 4 ein senkrecht stehender Flachstecker 41 und ein dazu rechtwinkelig abgebogener Befestigungsteil 42 ausgeformt. An diesem Befestigungsteil sind wiederum Befestigungsschenkel 43 und 44 gebildet, die in entsprechende Steckkanäle 16 und 17 des Spulenkörperflansches 12 einsteckbar sind. An dem Befestigungsschenkel 43 ist seitlich ein Anwickelstück 46 ausgebildet, welches auch beim Einstecken in den Spulenkörper stets aus dem offenen Steckkanal 16 seitlich herausragt, um zum Anwickeln eines Wicklungsendes zu dienen. An dem Befestigungsschenkel 43 ist außerdem ein Haltesteg 47 mit einem Klemmschlitz 47a zur Befestigung und Kontaktierung eines Zusatzbauelementes angeformt. Auch in den Befestigungsschenkeln 43 und 44 ist jeweils eine Prägung 48 entsprechend der Prägung 38 ausgeformt.In a similar manner to that of the connection element 3, a vertical flat plug 41 and a fastening part 42 bent at right angles to it are also formed in the coil connection element 4. Fastening legs 43 and 44 are in turn formed on this fastening part, which can be inserted into corresponding plug-in channels 16 and 17 of the bobbin flange 12. On the fastening leg 43, a winding piece 46 is formed on the side, which always protrudes laterally from the open plug-in channel 16 even when it is inserted into the coil former, in order to serve for winding a winding end. In addition, a retaining web 47 with a clamping slot 47a for fastening and contacting an additional component is formed on the fastening leg 43. An embossing 48 corresponding to the embossing 38 is also formed in each of the fastening legs 43 and 44.

Im folgenden soll die Montage der beschriebenen Teile erläutert werden. Zunächst werden in den Spulenkörper 1 die Spulenanschlußelemente 3 und 4 eingesetzt, wobei die Befestigungsschenkel 33, 34 und 35 in die Steckkanäle 13, 14 und 15 bis zu einer Zwischenposition eingesteckt werden, bei der die jeweiligen Befestigungsschenkel und der Flachstecker 31 noch nicht über die dem Wicklungsbereich zugewandte Innenwand des Spulenflansches 11 vorstehen. In gleicher Weise wird das Spulenanschlußelement 4 mit seinen Befestigungsschenkeln 43 und 44 bis zu einer entsprechenden Zwischenposition in den Spulenflansch 12 eingesteckt. In dieser Zwischenposition werden die jeweiligen Befestigungsschenkel durch die Prägungen 38 bzw. 48 vorläufig arretiert. Danach wird die Wicklung 10 aufgebracht, wobei die Wicklungsender 10a und 10b an die entsprechenden Anwickelstücke 36 bzw. 46 angewickelt und verlötet oder verschweißt werden. Danach werden die Spulenanschlußelemente 3 und 4 nach innen zum Wickelraum hin bis zu ihrer Endlage vorgeschoben. Die Prägungen 38 bzw. 48 gelangen dabei aus dem Bereich der Steckkanäle 13, 14, 15 bzw. 16 und 17 heraus, so daß die Teile wieder leicht beweglich sind. Damit können sie sich beim nachfolgenden Einstecken in die Steckerschächte des Sockels dem vorgegebenen Abstandsmaß anpassen. Durch das Hineinschieben der Spulenanschlußelemente bis zu ihrer Endposition werden die Wicklungsenden 10a und 10b des Spulendrahtes von der beim Wickeln entstandenen Zugspannung entlastet. Diesen Zustand zeigt Figur 2.The assembly of the parts described will be explained below. First, the coil connecting elements 3 and 4 are inserted into the coil body 1, the mounting legs 33, 34 and 35 being inserted into the plug-in channels 13, 14 and 15 up to an intermediate position in which the respective mounting legs and the flat plug 31 are not yet connected to the Project the inner wall of the coil flange 11 facing the winding area. In the same way, the coil connecting element 4 with its fastening legs 43 and 44 is inserted into the coil flange 12 up to a corresponding intermediate position. In this intermediate position, the respective fastening legs are temporarily locked by the embossments 38 and 48. The winding 10 is then applied, the winding ends 10a and 10b being wound onto the corresponding winding pieces 36 and 46 and being soldered or welded. After that the coil connection elements 3 and 4 are advanced inwards to the winding space up to their end position. The embossments 38 and 48 come out of the area of the plug-in channels 13, 14, 15 or 16 and 17, so that the parts are easily movable again. This means that they can be adapted to the specified spacing when they are subsequently plugged into the socket slots of the base. By pushing the coil connection elements into their end position, the winding ends 10a and 10b of the coil wire are relieved of the tensile stress created during winding. Figure 2 shows this state.

Nachdem der Spulenkörper dann noch mit den nicht dargestellten weiteren Magnetkreisteilen bestückt wurde, wird er auf den Sokkel 2 aufgesetzt, wobei die Flachstecker 31 und 41 in die entsprechenden Steckschächte 21 und 22 des Sockels 2 eingesteckt werden. Nach dem Durchstecken werden die Anschlußelemente 3 und 4 mit den seitlich herausgebogenen Rastlappen 39 bzw. 49 fixiert (Figur 3).After the coil former has been fitted with the further magnetic circuit parts (not shown), it is placed on the base 2, the tabs 31 and 41 being inserted into the corresponding plug-in shafts 21 and 22 of the base 2. After insertion, the connection elements 3 and 4 are fixed with the latching tabs 39 and 49, which are bent out laterally (FIG. 3).

In den Figuren 1 bis 3 ist ein Anwendungsbeispiel gezeigt, bei dem die Wicklungsenden jeweils unmittelbar über die beiden Spulenanschlußelemente 3 und 4 und deren Flachstecker 31 bzw. 41 aus dem Relais herausgeführt sind. In diesem Fall ist es bereits möglich, ein Bauelement, etwa einen Widerstand oder eine Diode, parallel zur Spule zwischen die beiden Anschlußelemente zu schalten, was über die beschriebenen Haltestege 37 bzw. 47 geschieht. Es ist aber auch denkbar, ein derartiges, im Relais untergebrachtes Bauelement in Serie zur Spulenwicklung zu schalten. In diesem Fall muß also das Bauelement zwischen dem Spulenanschlußelement und einem davon elektrisch getrennten Steck- oder auch Lötanschluß geschaltet werden. Eine solche Möglichkeit ist in Figur 4 gezeigt, welche einen Ausschnitt des Spulenflansches 11 aus Figur 2 zeigt. Allerdings ist dabei das Spulenanschlußelement 3 durch ein abgewandeltes Anschlußelement 130 ersetzt, welches jecoch wie im vorher beschriebenen Fall einen Befestigungsabschnitt 132 mit Befestigungsschenkeln 133 und 134 aufweist und mit diesen in den Steckkanälen, 13 und 14 des Spulenflansches 11 befestigt wird. An dem Anwickelstück 136 wird das entsprechende Wicklungsende befestigt, und der Haltesteg 137 mit dem Klemmschlitz 137a dient zur Klemmbefestigung eines Anschlußdrahtes für das erwähnte Bauelement.FIGS. 1 to 3 show an application example in which the winding ends are led out of the relay directly via the two coil connection elements 3 and 4 and their tabs 31 and 41, respectively. In this case, it is already possible to connect a component, such as a resistor or a diode, parallel to the coil between the two connection elements, which is done via the holding webs 37 and 47 described. However, it is also conceivable to connect such a component housed in the relay in series with the coil winding. In this case, the component must be connected between the coil connection element and a plug or solder connection that is electrically separated therefrom. Such a possibility is shown in FIG. 4, which shows a section of the coil flange 11 from FIG. 2. However, the coil connecting element 3 is replaced by a modified connecting element 130 which, as in the case described above, has a fastening section 132 with fastening legs 133 and 134 and with these in the plug-in channels 13 and 14 the coil flange 11 is attached. The corresponding winding end is fastened to the winding piece 136, and the holding web 137 with the clamping slot 137a is used for the clamping fastening of a connecting wire for the component mentioned.

Im Gegensatz zu Figur 2 besitzt jedoch das Spulenanschlußelement 130 keinen Flachstecker, sondern lediglich einen senkrecht nach unten angeformten Haltezapfen, der mit seiner Länge lediglich soweit in den Sockel hinein und bis zu dessen Unterseite reicht, daß eine Verankerung, beispielsweise durch Verkerben, in dem Sockel möglich ist. Der Strompfad führt also von dem betreffenden Wicklungsende über das Spulenanschlußelement 130 und den Haltesteg 137 zu dem nicht gezeigten Bauelement, wobei das zum Haltesteg 137 entgegengesetzte Ende des Bauelementes in geeigneter Weise mit einen getrennten, nicht gezeigten Anschlußstecker (oder auch einem Lötstift) verbunden ist, welcher seinerseits elektrisch getrennt vom Spulenanschlußelement 130 im Sockel bzw. im Spulenkörper verankert ist. Natürlich können auf diese Weise auch mehrere Bauelemente in Serie oder parallel zu den Wicklungsenden geschaltet werden, wobei auch sinngemäß eine Abwandlung des zweiten Spulenanschlußelementes 4 denkbar ist.In contrast to Figure 2, however, the coil connection element 130 does not have a flat plug, but only a holding pin formed vertically downwards, the length of which extends only far enough into the base and to the underside thereof, that an anchoring, for example by notching, in the base is possible. The current path thus leads from the winding end in question via the coil connection element 130 and the holding web 137 to the component (not shown), the end of the component opposite the holding web 137 being connected in a suitable manner to a separate connector plug (not shown) (or also a soldering pin), which in turn is anchored electrically separately from the coil connection element 130 in the base or in the coil body. Of course, several components can also be connected in series or parallel to the winding ends in this way, a modification of the second coil connection element 4 also being conceivable in a corresponding manner.

Claims (12)

  1. Electromagnetic relay having the following features:
    a) a coil body (1) carries a winding (10) applied between two coil flanges (11, 12) made of insulating material and also further magnetic circuit parts;
    b) the coil body (1) is fastened on a base (2) made of insulating material, the coil axis being parallel to the datum plane of the base;
    c) coil connection elements (3, 4) and contact connection elements (7, 8) are anchored in the base (2) in insert slots (21, 22) perpendicular to the datum plane;
    characterized by the following features:
    d) at least one of the coil flanges (11, 12) has at least one insert channel (13, 14, 15, 16, 17) parallel to the coil axis for a fastening leg (33, 34, 35, 43, 44; 133, 134) which is formed integrally onto a coil connection element (3, 4; 130);
    e) a wind-on piece (36; 46; 136) for in each case one winding end (10a, 10b) is integrally joined to the fastening legs of each coil connection element in each case.
  2. Relay according to Claim 1, characterized in that the fastening legs (33, 34, 35; 43, 44; 133, 134) are inserted into the flange (11, 12) in each case from the outside of a coil flange (11; 12) remote from the winding (10) in the direction of the winding, the wind-on piece (36, 46; 136) lying in each case outside the insert channel (13, 16).
  3. Relay according to Claim 2, characterized in that the fastening legs (33, 34, 35; 43, 44; 133, 134) can be fixed in the associated insert channel (13, 14, 15, 16, 17) in each case both in an intermediate position and in an end position, the wind-on piece (36, 46; 133, 134) being closer to the winding (10) in the end position in each case than when the intermediate position is assumed.
  4. Relay according to Claim 3, characterized in that in the intermediate position of the fastening leg (33, 34, 35, 43, 44; 133, 134) the wind-on ends (36, 46; 136) are located outside the winding region, but project into the winding region when the end position is assumed.
  5. Relay according to Claim 4, characterized in that at least some of the fastening legs (34, 35, 43, 44; 133, 134) are provided with an embossment (38, 48; 138) in the vicinity of their free end, which in the intermediate position of the coil connection element (3, 4; 130) ensures in each case a preliminary fixing in the associated insert channel (14, 15, 16, 17).
  6. Relay according to one of Claims 1 to 5, characterized in that there is fastened in each of the two coil flanges (11, 12) in each case one coil connection element (3, 4; 130) having at least one fastening leg (33, 34, 35, 43, 44; 133, 134) in each case, the latter being inserted in mutually opposite directions.
  7. Relay according to one of Claims 1 to 5, characterized in that each coil connection element has in each case a fastening section (32, 42) parallel to the datum plane of the base, from where one or more fastening legs (33, 34, 35, 43, 44) extend horizontally, while a flat connector (31, 41) is bent perpendicularly downwards in each case.
  8. Relay according to one of Claims 1 to 7, characterized in that at least one of the coil connection elements (130) has a fastening section (132) parallel to the datum plane of the base (2) with one or more fastening legs (133, 134), from where a securing pin (131) is bent downwards perpendicular to the datum plane and is anchored in the base (2).
  9. Relay according to one of Claims 1 to 8, characterized in that there is provided on at least one of the coil connection elements (3, 4; 130) an integrally formed-on securing web (37, 47; 137) for fastening and contacting an electrical or electronic component.
  10. Relay according to Claim 9, characterized in that the securing web (37, 47, 137) has in each case at least one clamping slit (37a, 47a, 137a) for a solder-free clamp contacting.
  11. Method for manufacturing a relay according to one of Claims 1 to 10, characterized in that the coil connection elements (3, 4) are inserted in each case with their fastening legs (33, 34, 35, 43, 44) into a corresponding insert channel (13, 14, 15, 16, 17) of the associated coil flange (11, 12), in that the winding (10) is then applied to the coil body (1) and the winding ends (10a, 10b) are connected to one wind-on piece (36, 46) of a connection element in each case, and in that finally the coil body (1) is joined to the base (2), the coil connection elements (3, 4) being anchored in insert slots (21, 22) of the base (2).
  12. Method according to Claim 11, characterized in that, before the application of the winding (10), the fastening legs (33, 34, 35, 43, 44) are inserted into the insert channels (13, 14, 15, 16, 17) of the respective coil flange (11, 12) up to an intermediate position, and in that they are inserted further into the insert channels until they reach their end position after the winding and before the assembly of the coil body on the base.
EP91900774A 1990-01-30 1990-12-03 Electromagnetic relay Expired - Lifetime EP0513010B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP90101826 1990-01-30
EP90101826 1990-01-30

Publications (2)

Publication Number Publication Date
EP0513010A1 EP0513010A1 (en) 1992-11-19
EP0513010B1 true EP0513010B1 (en) 1994-03-16

Family

ID=8203561

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Application Number Title Priority Date Filing Date
EP91900774A Expired - Lifetime EP0513010B1 (en) 1990-01-30 1990-12-03 Electromagnetic relay

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Country Link
US (1) US5235301A (en)
EP (1) EP0513010B1 (en)
JP (1) JP3112935B2 (en)
AT (1) ATE103104T1 (en)
CA (1) CA2074807A1 (en)
DE (1) DE59005036D1 (en)
ES (1) ES2050529T3 (en)
PT (1) PT96591B (en)
WO (1) WO1991011818A1 (en)

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Publication number Priority date Publication date Assignee Title
CN105097361A (en) * 2014-05-09 2015-11-25 伊顿公司 Coil assembly, circuit board and contactor

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Publication number Priority date Publication date Assignee Title
DE9213889U1 (en) * 1992-10-14 1994-02-10 Siemens AG, 80333 München Coil for an electromagnetic relay
EP0860016B1 (en) * 1995-11-06 1999-05-06 Siemens Aktiengesellschaft Connecting device
US5657193A (en) * 1996-01-26 1997-08-12 General Electric Company Electronic control module for motor controller units
JP2904143B2 (en) * 1996-08-26 1999-06-14 日本電気株式会社 Electromagnetic relay
KR200476850Y1 (en) 2013-12-26 2015-04-08 대우조선해양 주식회사 Electric apparatus having relay integrated to terminal
CN106920715B (en) * 2017-02-22 2019-08-06 厦门宏发电力电器有限公司 A kind of installation foot of relay, production method and the mounting structure with ammeter pedestal

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GB1600762A (en) * 1977-12-23 1981-10-21 Lucas Industries Ltd Electromagnetic relay
DE3001234A1 (en) * 1980-01-15 1981-07-23 Robert Bosch Gmbh, 7000 Stuttgart ELECTROMAGNETIC RELAY
DE3150125C2 (en) * 1981-12-18 1988-05-05 Hermann Stribel KG, 7443 Frickenhausen relay
DE3428595A1 (en) * 1984-08-02 1986-02-20 Siemens AG, 1000 Berlin und 8000 München Electromagnetic relay
DE3873380D1 (en) * 1987-03-13 1992-09-10 Siemens Ag ELECTROMAGNETIC RELAY.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105097361A (en) * 2014-05-09 2015-11-25 伊顿公司 Coil assembly, circuit board and contactor
CN105097361B (en) * 2014-05-09 2019-01-22 伊顿公司 Coil block, circuit board and contactor

Also Published As

Publication number Publication date
CA2074807A1 (en) 1991-07-31
EP0513010A1 (en) 1992-11-19
US5235301A (en) 1993-08-10
PT96591A (en) 1992-09-30
JPH05504437A (en) 1993-07-08
JP3112935B2 (en) 2000-11-27
DE59005036D1 (en) 1994-04-21
PT96591B (en) 1998-08-31
ATE103104T1 (en) 1994-04-15
ES2050529T3 (en) 1994-05-16
WO1991011818A1 (en) 1991-08-08

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