EP0081805A2 - Contact arrangement for an automatic switch - Google Patents

Contact arrangement for an automatic switch Download PDF

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Publication number
EP0081805A2
EP0081805A2 EP82111358A EP82111358A EP0081805A2 EP 0081805 A2 EP0081805 A2 EP 0081805A2 EP 82111358 A EP82111358 A EP 82111358A EP 82111358 A EP82111358 A EP 82111358A EP 0081805 A2 EP0081805 A2 EP 0081805A2
Authority
EP
European Patent Office
Prior art keywords
lever
contact
spring
point
intermediate lever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP82111358A
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German (de)
French (fr)
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EP0081805A3 (en
EP0081805B1 (en
Inventor
Helmut Ing. Grad. Heindorf
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.)
AEG Niederspannungstechnik GmbH and Co KG
Original Assignee
Licentia Patent Verwaltungs GmbH
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.)
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Publication date
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to AT82111358T priority Critical patent/ATE22750T1/en
Publication of EP0081805A2 publication Critical patent/EP0081805A2/en
Publication of EP0081805A3 publication Critical patent/EP0081805A3/en
Application granted granted Critical
Publication of EP0081805B1 publication Critical patent/EP0081805B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/04—Contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H01H71/462—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts housed in a separate casing, juxtaposed to and having the same general contour as the main casing

Definitions

  • the invention relates to a contact arrangement for a circuit breaker, in particular an auxiliary and signal switch, in which a spring-mounted contact lever pivotable about a fixed pivot point can be reversed by a mechanism into different switching positions marked by fixed contacts and limiting its pivoting range.
  • Such contact arrangements are known. Sufficient contact pressure and the required erosion reserve are generated via a contact pressure spring, which either acts as a separate part on a rigid contact lever or the latter is also designed as a leaf spring.
  • the known arrangements therefore have the disadvantage that, in addition to an opening spring as an energy store for the switch-off movement, a contact pressure spring is also required.
  • the invention has for its object to design the contact arrangement in a self-switch of the above type in such a way that the contact pressure spring which has been customary up to now can be saved with the same requirements.
  • the invention has the advantage that the opening spring for switching off the mechanism also generates the contact pressure, which can be set precisely because of preselectable lever ratios between the two support points, at the point of application of the spring and the contact points. Furthermore, a self-cleaning effect of the contacts can easily be achieved by a special design of the support points without additional effort.
  • the contact arrangement for a self-switch is accommodated in a housing 1, in which a toggle 2 can be pivoted about a fixed pivot point 2a via a hinged plunger 3 to a latching point 3a acts.
  • the other latching partner is arranged in a manner not shown on an intermediate lever 4 which is rotatably mounted on an axis 5 fixed to the housing.
  • a contact lever 6 having incisions 6a is held securely only in that a tension spring 7 with its eyelet 7a engages over the incisions 6a and is guided in lateral notches 4b of the intermediate lever, presses the contact lever 6 onto the intermediate lever 4.
  • the other eyelet, not shown, of the tension spring 7 is suspended in the housing.
  • a double contact 6b which interacts with two fixed contacts 8 and 9 arranged in the housing.
  • Lines 8a and 9a lead from the fixed contacts to connecting terminals 8b and 9b.
  • the contact lever is also connected to a connecting terminal 6d via a movable line 6c.
  • the circuit breaker is preferably provided for coupling to a contoured circuit breaker of the same shape, adjacent in a parallel plane, not shown, the trigger mechanism of which can act on a transmission lever 10 via a pin 10a by means of an opening 1a in the housing.
  • This in turn is pivotally mounted on an axle 10b fixed to the housing and can actuate the latching point 3a via an extension 10c.
  • the lever arm 4a of the intermediate lever on the side facing the contact lever has a direction in which an imaginary extension outside of the area between the two fixed contacts laterally on the fixed contact 8 would walk past.
  • the contact lever 6, which is designed as a flat and rigid part and lies firmly against the intermediate lever 4a in the middle pivoting range can only pivot with the double contact 6b as far as the fixed contact 8, so that it only rests linearly at the point 4c on the intermediate lever and otherwise from the the latter has lifted against the action of the tension spring 7.
  • the two linear support points 4c and 6e which in the embodiment according to FIG. 1 are simplified by the ends of the intermediate lever 4 and the contact lever 6, can of course also be formed by separately shaped bearing blocks, for example be formed on the intermediate lever. With these pedestals, between which the tension spring 7 acts, the tilting effect and thus the contact force can then also be achieved.
  • the dimensioning of the contact force is determined by the force of the tension spring 7 and the selected lever ratios.
  • FIG. 2 A special form of support between the contact lever 6 and the intermediate lever 4 is shown in FIG. 2.
  • the contact lever 6 is provided with two inclined surfaces 6f, 6g, which are connected via a web 6h.
  • the lever arm 4a of the intermediate lever is provided opposite the inclined surfaces with roller-shaped support surfaces 4d and 4e in such a way that the inclined surfaces lie linearly on the support surfaces under the action of the tension spring 7 and there is still a greater scope between the web 6h and the lever arm 4a .
  • a force that acts alternately on the contact lever now causes a rocking-like relative movement between the contact lever and the intermediate lever, since the inclined surfaces 6g, 6f slide along the supporting surfaces 4d, 4e until the web 6h comes to rest on one side on the lever arm 4a.

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  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Push-Button Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

1. Contact arrangement for an automatic switch, in particular an auxiliary and signal switch, in which a pivotable, resiliently arranged contact lever (6) is controllable by a mechanism into a closed setting with a fixed contact piece (8) as well as into an open setting, wherein the contact lever (6) is merely hooked into a rotatably borne, rigid intermediate lever (4), which is acted on by the mechanism and on which it is supportable at two defined support locations (4c, 6e), a spring is provided, which between both these support locations engages at the contact lever (6) and presses the latter onto the intermediate lever (4) and a connecting line imagined across both the support locations experiences a greater pivotal range during pivotation of the intermediate lever (4) than is necessary for the closing of the contacts to that the contact lever (6) has lifted off from the intermediate lever (4) at one location each time the contacts are closed, characterised thereby, that the contact lever (6), which also in open setting is limited in pivotal range and operating on a second fixed contact piece (9), is held at the intermediate lever (4), which is constructed as double lever and on one lever arm forms a detent location (3a) for the mechanism, whilst the contact lever (6) is borne on its other lever arm (4a), merely by the spring which is constructed as tension spring (7) and serves as contact pressure spring for both switch settings and at the same time as force storage for the mechanism.

Description

Die Erfindung betrifft eine Kontaktanordnung für einen Selbstschalter, insbesondere einen Hilfs- und Signalschalter, bei dem ein um einen festen Drehpunkt schwenkbarer federnd angeordneter Kontakthebel von einem Mechanismus in durch Festkontakte markierte und seinen Schwenkbereich begrenzende unterschiedliche Schaltstellungen umsteuerbar ist.The invention relates to a contact arrangement for a circuit breaker, in particular an auxiliary and signal switch, in which a spring-mounted contact lever pivotable about a fixed pivot point can be reversed by a mechanism into different switching positions marked by fixed contacts and limiting its pivoting range.

Derartige Kontaktanordnungen sind bekannt. Dabei wird ein ausreichender Kontaktdruck und die erforderliche Abbrandreserve über eine Kontaktdruckfeder erzeugt, die entweder als separates Teil auf einen starren Kontakthebel wirkt oder letzterer ist zugleich als Blattfeder ausgebildet. Die bekanntenAnordnungen haben also den Nachteil, daß neben einer Öffnungsfeder als Kraftspeicher für die Abschaltbewegung zusätzlich eine Kontaktdruckfeder erforderlich ist.Such contact arrangements are known. Sufficient contact pressure and the required erosion reserve are generated via a contact pressure spring, which either acts as a separate part on a rigid contact lever or the latter is also designed as a leaf spring. The known arrangements therefore have the disadvantage that, in addition to an opening spring as an energy store for the switch-off movement, a contact pressure spring is also required.

Der Erfindung liegt die Aufgabe zugrunde, bei einem Selbstschalter vorstehender Art die Kontaktanordnung derart auszubilden, daß bei gleichen Anforderungen die bisher übliche Kontaktdruckfeder eingespart werden kann.The invention has for its object to design the contact arrangement in a self-switch of the above type in such a way that the contact pressure spring which has been customary up to now can be saved with the same requirements.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der eigentliche Kontakthebel in einem drehbar gelagerten und vom Mechanismus beaufschlagten starren Zwischenhebel lediglich eingehängt und an zwei definierten Stellen auf letzterem abstützbar ist, daß eine zwischen diesen beiden Stellen am Kontakthebel angreifende, letzteren auf den Zwischenhebel pressende Feder als Kraftspeicher für den Mechanismus vorgesehen ist und daß die beiden Stellen derart angeordnet sind, daß eine über sie gedachte Verbindungslinie beim Verschwenken des Zwischenhebels in die Schaltstellungen einen größeren Schwenkbereich erfährt als es für das Schließen der Kontakte erforderlich ist, so daß bei jeweils geschlossenen Kontakten der Kontakthebel immer an einer Stelle vom Zwischenhebel abgehoben hat.This object is achieved in that the actual contact lever in a rotatably mounted and acted upon by the mechanism rigid intermediate lever is only suspended and can be supported at two defined points on the latter that a spring acting between these two points on the contact lever, the latter pressing the intermediate lever as Power spit cher is provided for the mechanism and that the two points are arranged such that an imaginary connecting line when pivoting the intermediate lever in the switching positions experiences a larger pivoting range than is necessary for closing the contacts, so that the contact lever when the contacts are closed has always lifted off the intermediate lever at one point.

Die Erfindung hat den Vorteil, daß die Öffnungsfeder für das Abschalten des Mechanismus zugleich den Kontaktdruck erzeugt, der sich aufgrund vorwählbarer Hebelverhältnisse zwischen den beiden Abstützstellen, am Angriffspunkt der Feder und den Kontaktstellen genau einstellen läßt. Weiterhin ist durch eine besondere Ausbildung der Abstützstellen ohne zusätzlichen Aufwand leicht eine Selbstreinigungswirkung der Kontakte erzielbar. Vorteilhafte Weiterbildungen und Ausgestaltungen der Erfindung sind Gegenstände der Unteransprüche.The invention has the advantage that the opening spring for switching off the mechanism also generates the contact pressure, which can be set precisely because of preselectable lever ratios between the two support points, at the point of application of the spring and the contact points. Furthermore, a self-cleaning effect of the contacts can easily be achieved by a special design of the support points without additional effort. Advantageous further developments and refinements of the invention are the subject of the dependent claims.

Anhand der Zeichnung sei die Erfindung nachstehend näher erläutert.

  • Fig. 1 zeigt vereinfacht einen Selbstschalter mit der erfindungsgemäßen Kontaktanordnung, während in
  • Fig. 2 im größeren Maßstab eine besondere Ausführungsform für die Aufhängung des Kontakthebels dargestellt ist.
The invention is explained in more detail below with the aid of the drawing.
  • Fig. 1 shows simplified a circuit breaker with the contact arrangement according to the invention, while in
  • Fig. 2 shows a special embodiment for the suspension of the contact lever on a larger scale.

Die Kontaktanordnung für einen Selbstschalter ist in einem Gehäuse 1 untergebracht, in welchem ein Knebel 2 um einen ortsfesten Drehpunkt 2a schwenkbar über einen angelenkten Stößel 3 auf eine Verklinkungsstelle 3a einwirkt. Der andere Verklinkungspartner ist in nicht näher dargestellter Weise auf einem Zwischenhebel 4 angeordnet, der auf einer gehäusefesten Achse 5 drehbar gelagert ist. An dem der Verklinkungsstelle gegenüberliegenden Hebelarm 4a ist ein Einschnitte 6a aufweisender Kontakthebel 6 lediglich dadurch sicher gehalten, daß eine Zugfeder 7 mit ihrer Öse 7a über die Einschnitte 6a greifend und in seitlichen Kerben 4b des Zwischenhebels geführt, den Kontakthebel 6 auf den Zwischenhebel 4 preßt. Die andere nicht dargestellte Öse der Zugfeder 7 ist dabei im Gehäuse eingehängt. Am freien Ende des Kontakthebels 6 befindet sich ein Doppelkontakt 6b, der mit zwei im Gehäuse angeordneten Festkontakten 8 und 9 zusammenwirkt. Von den Festkontakten führen Leitungen 8a bzw. 9a zu Anschlußklemmen 8b bzw. 9b. Ebenso ist der Kontakthebel über eine bewegliche Leitung 6c mit einer Anschlußklemme 6d verbunden.The contact arrangement for a self-switch is accommodated in a housing 1, in which a toggle 2 can be pivoted about a fixed pivot point 2a via a hinged plunger 3 to a latching point 3a acts. The other latching partner is arranged in a manner not shown on an intermediate lever 4 which is rotatably mounted on an axis 5 fixed to the housing. On the lever arm 4a opposite the latching point, a contact lever 6 having incisions 6a is held securely only in that a tension spring 7 with its eyelet 7a engages over the incisions 6a and is guided in lateral notches 4b of the intermediate lever, presses the contact lever 6 onto the intermediate lever 4. The other eyelet, not shown, of the tension spring 7 is suspended in the housing. At the free end of the contact lever 6 there is a double contact 6b which interacts with two fixed contacts 8 and 9 arranged in the housing. Lines 8a and 9a lead from the fixed contacts to connecting terminals 8b and 9b. The contact lever is also connected to a connecting terminal 6d via a movable line 6c.

Der Selbstschalter ist vorzugsweise zur Kopplung mit einem konturengleichen, in einer parallelen Ebene benachbarten nicht dargestellten Leitungsschutzschalter vorgesehen, dessen Auslösemechanismus über einen Stift 10a mittels einer öffnung 1a im Gehäuse auf einen übertragungshebel 10 einwirken kann. Dieser ist seinerseits auf einer gehäusefesten Achse 10b schwenkbar gelagert und kann über einen Fortsatz 10c die Verklinkungsstelle 3a betätigen.The circuit breaker is preferably provided for coupling to a contoured circuit breaker of the same shape, adjacent in a parallel plane, not shown, the trigger mechanism of which can act on a transmission lever 10 via a pin 10a by means of an opening 1a in the housing. This in turn is pivotally mounted on an axle 10b fixed to the housing and can actuate the latching point 3a via an extension 10c.

In der in Fig. 1 gezeigten Einschaltstellung hat der Hebelarm 4a des Zwischenhebels auf der dem Kontakthebel zugewendeten Seite eine Richtung, in der eine gedachte Verlängerung außerhalb des zwischen den beiden Festkontakten befindlichen Bereiches seitlich am Festkontakt 8 vorbeilaufen würde. Der als ebenes und starres Teil ausgebildete, im mittleren Schwenkbereich fest am Zwischenhebel 4a anliegende Kontakthebel 6 kann jedoch mit dem Doppelkontakt 6b lediglich bis an den Festkontakt 8 schwenken, so daß er nur noch linienförmig an der Stelle 4c auf dem Zwischenhebel aufliegt und im übrigen vom letzteren entgegen der Wirkung der Zugfeder 7 abgehoben hat.In the switch-on position shown in FIG. 1, the lever arm 4a of the intermediate lever on the side facing the contact lever has a direction in which an imaginary extension outside of the area between the two fixed contacts laterally on the fixed contact 8 would walk past. However, the contact lever 6, which is designed as a flat and rigid part and lies firmly against the intermediate lever 4a in the middle pivoting range, can only pivot with the double contact 6b as far as the fixed contact 8, so that it only rests linearly at the point 4c on the intermediate lever and otherwise from the the latter has lifted against the action of the tension spring 7.

Erfolgt nun eine Abschaltung, sei es manuell über den Knebel oder automatisch durch Lösen der Verklinkungsstelle 3a mittels des übertragungshebels 10, so verschwenken unter der Wirkung der Zugfeder 7 der Zwischenhebel 4 und der Kontakthebel 6 entgegen dem Uhrzeigersinn und der Doppelkontakt 6b kommt am Festkontakt 9 zur Anlage. Während des Schwenkvorganges legt sich der Kontakthebel mit seiner dem Hebelarm 4a zugewandten Fläche auf letzteren solange auf, bis der Doppelkontakt 6b den Festkontakt 9 erreicht hat. Danach hebt der Kontakthebel wiederum vom Hebelarm 4a ab und liegt jetzt nur noch mit seinem dem Doppelkontakt gegenüberliegenden Ende 6e linienförmig auf dem Zwischenhebel 4 auf. Das Ende 6e befindet sich dabei zweckmäßigerweise in der Nähe oder etwas unterhalb der Achse 5, da dann die Kontaktanordnung einen Gleichgewichtszustand erreicht, ohne daß ein Anschlag für den Zwischenhebel erforderlich ist.If there is now a switch-off, be it manually via the toggle or automatically by releasing the latching point 3a by means of the transmission lever 10, the intermediate lever 4 and the contact lever 6 pivot counterclockwise under the action of the tension spring 7 and the double contact 6b comes to the fixed contact 9 Investment. During the pivoting process, the contact lever with its surface facing the lever arm 4a lies on the latter until the double contact 6b has reached the fixed contact 9. The contact lever then lifts again from the lever arm 4a and now only lies linearly on the intermediate lever 4 with its end 6e opposite the double contact. The end 6e is expediently near or somewhat below the axis 5, since the contact arrangement then reaches a state of equilibrium without a stop for the intermediate lever being required.

Die beiden linienförmigen Abstützstellen 4c bzw. 6e, die bei der Ausführung nach Fig. 1 vereinfacht durch jeweils die Enden des Zwischenhebels 4 bzw. des Kontakthebels 6 vorgegeben sind, können selbstverständlich auch durch gesondert geformte Lagerböcke beispielsweise am Zwischenhebel gebildet sein. Mit diesen Lagerböcken, zwischen denen die Zugfeder 7 angreift, kann dann ebenso der Kippeffekt und damit die Kontaktkraft erzielt werden. Die Bemessung der Kontaktkraft ist bestimmt durch die Kraft der Zugfeder 7 und der gewählten Hebelverhältnisse. Zur Erzielung einer gleichmäßigen Kontaktkraft an beiden Kontaktsteifen aufgrund der unterschiedlichen Hebelverhältnisse einerseits zwischen der Stelle 4c und dem Festkontakt 8 und andererseits zwischen der Stelle 6e und dem Festkontakt 9 ist der Angriffspunkt der Zugfeder 7 nicht genau in der Mitte zwischen den Stellen 4c bzw. 6e, sondern etwas in Richtung der Festkontakte verlegt.The two linear support points 4c and 6e, which in the embodiment according to FIG. 1 are simplified by the ends of the intermediate lever 4 and the contact lever 6, can of course also be formed by separately shaped bearing blocks, for example be formed on the intermediate lever. With these pedestals, between which the tension spring 7 acts, the tilting effect and thus the contact force can then also be achieved. The dimensioning of the contact force is determined by the force of the tension spring 7 and the selected lever ratios. In order to achieve a uniform contact force on both contact strips due to the different lever ratios on the one hand between the point 4c and the fixed contact 8 and on the other hand between the point 6e and the fixed contact 9, the point of application of the tension spring 7 is not exactly in the middle between the points 4c and 6e, but moved something in the direction of the fixed contacts.

Eine besondere Form der Abstützung zwischen Kontakthebel 6 und Zwischenhebel 4 ist in Fig. 2 gezeigt. Hierbei ist der Kontakthebel 6 mit zwei Schrägflächen 6f, 6g versehen, die über einen Steg 6h verbunden sind. Der Hebelarm 4a des Zwischenhebels ist den Schrägflächen gegenüberliegend mit rollenförmigen Stützflächen 4d und 4e versehen und zwar derart, daß die Schrägflächen auf den Stützflächen unter der Wirkung der Zugfeder 7 linienförmig aufliegen und dabei zwischen dem Steg 6h und dem Hebelarm 4a noch ein größerer Spielraum vorhanden ist. Eine am Kontakthebel wechselweise angreifende Kraft bewirkt nun eine schaukelförmige Relativbewegung zwischen dem Kontakthebel und dem Zwischenhebel, da die Schrägflächen 6g, 6f auf den Stützflächen 4d, 4e entlanggleiten, bis jeweils der Steg 6h einseitig am Hebelarm 4a zur Anlage gelangt.A special form of support between the contact lever 6 and the intermediate lever 4 is shown in FIG. 2. Here, the contact lever 6 is provided with two inclined surfaces 6f, 6g, which are connected via a web 6h. The lever arm 4a of the intermediate lever is provided opposite the inclined surfaces with roller-shaped support surfaces 4d and 4e in such a way that the inclined surfaces lie linearly on the support surfaces under the action of the tension spring 7 and there is still a greater scope between the web 6h and the lever arm 4a . A force that acts alternately on the contact lever now causes a rocking-like relative movement between the contact lever and the intermediate lever, since the inclined surfaces 6g, 6f slide along the supporting surfaces 4d, 4e until the web 6h comes to rest on one side on the lever arm 4a.

Die in Fig. 2 gezeigte Stellung wird daher während des Schaltbetriebes praktisch nicht erreicht, sondern der Steg 6h liegt wechselweise je nach Schaltstellung in der Nähe einer Flächenpaarung auf dem Hebelarm 4a an. Für diese Schaukelbewegung ermöglicht die keilförmig ausgebildete Kerbe 4b im Zwischenhebel 4 der Öse 7a eine ausreichende Bewegungsfreiheit, während in den Einschnitten 6a des Kontakthebels die Öse enger geführt ist. Die in Längsrichtung des Kontakthebels bei jedem Umschaltvorgang auftretende Relativbewegung führt zu einer Gleitbewegung zwischen den Kontakten und damit zu einer Selbstreinigung.The position shown in Fig. 2 is therefore practically not reached during switching operation, but the web 6h is alternately depending on the switching position in the vicinity of a surface pair on the lever arm 4a. For this rocking movement, the wedge-shaped notch 4b in the intermediate lever 4 of the eyelet 7a allows sufficient freedom of movement, while in the incisions 6a of the contact lever the eyelet is guided more closely. The relative movement occurring in the longitudinal direction of the contact lever during each switching process leads to a sliding movement between the contacts and thus to self-cleaning.

Claims (9)

1 Kontaktanordnung für einen Selbstschalter, insbesondere einen Hilfs- und Signalschalter, bei dem ein um einen festen Drehpunkt schwenkbarer federnd angeordneter Kontakthebel von einem Mechanismus in durch Festkontakte markierte und seinen Schwenkbereich begrenzende unterschiedliche Schaltstellungen umsteuerbar ist, dadurch gekennzeichnet, daß der eigentliche Kontakthebel (6) in einem drehbar gelagerten und vom Mechanismus beaufschlagten starren Zwischenhebel (4) lediglich eingehängt und an zwei definierten Stellen (4c, 6e bzw. 4d, 4e) auf letzterem abstützbar ist, daß eine zwischen diesen beiden Stellen am Kontakthebel (6) angreifende, letzteren auf den Zwischenhebel (4) pressende Feder (7) als Kraftspeicher für den Mechanismus vorgesehen ist und daß die beiden Stellen derart angeordnet sind, daß eine über sie gedachte Verbindungslinie beim Verschwenken des Zwischenhebels (4) in die Schaltstellungen einen größeren Schwenkbereich erfährt als es für das Schließen der Kontakte (6b, 8, 9) erforderlich ist, so daß bei jeweils geschlossenen Kontakten der Kontakthebel (6) immer an einer Stelle (4c bzw. 6e) vom Zwischenhebel (4) abgehoben hat.1 contact arrangement for a self-switch, in particular an auxiliary and signal switch, in which a spring-mounted contact lever pivotable about a fixed pivot point can be reversed by a mechanism into different switching positions marked by fixed contacts and limiting its pivoting range, characterized in that the actual contact lever (6) in a rotatably mounted and acted upon by the mechanism rigid intermediate lever (4) only suspended and at two defined points (4c, 6e or 4d, 4e) can be supported on the latter that a between these two points on the contact lever (6) engaging, the latter on the intermediate lever (4) pressing spring (7) is provided as an energy store for the mechanism and that the two locations are arranged such that an imaginary connecting line when swiveling the intermediate lever (4) into the switching positions a larger Swivel range is experienced as necessary for closing the contacts (6b, 8, 9), so that when the contacts are closed, the contact lever (6) has always lifted off the intermediate lever (4) at one point (4c or 6e). 2 Kontaktanordnung nach Anspruch 1, dadurch gekennzeichnet, daß der Zwischenhebel (4) als Doppelhebel ausgebildet ist und auf dem einen Hebelarm einen Teil einer Verklinkungsstelle (3a) bildet, während auf dem anderen Hebelarm (4a) der Kontakthebel (6) gelagert ist.2 Contact arrangement according to claim 1, characterized in that the intermediate lever (4) is designed as a double lever and on the one lever arm forms part of a latching point (3a), while on the other lever arm (4a) the contact lever (6) is mounted. 3 Kontaktanordnung nach Anspruch 1 und 2, dadurch gekennzeichnet, daß der Kontakthebel (6) lediglich mittels der Feder (7) am Zwischenhebel (4) gehalten ist.3 Contact arrangement according to claim 1 and 2, characterized in that the contact lever (6) is held only by means of the spring (7) on the intermediate lever (4). 4 Kontaktanordnung nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß der Angriffspunkt der Feder (7) zwischen den zur Abstützung dienenden Stellen (4c, 6e) etwas aus der Mitte heraus in Richtung der Kontaktstelle (6b) verlegt ist.4 Contact arrangement according to claim 1 to 3, characterized in that the point of application of the spring (7) between the support points (4c, 6e) is moved somewhat from the center towards the contact point (6b). 5 Kontaktanordnung nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß die Feder (7) als Zugfeder ausgebildet und mit einer Öse (7a) lediglich über seitliche Einschnitte (6a) des Kontakthebels (6) gehängt ist.5 Contact arrangement according to claim 1 to 4, characterized in that the spring (7) is designed as a tension spring and is hung with an eyelet (7a) only via lateral incisions (6a) of the contact lever (6). 6 Kontaktanordnung nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß die Feder (7) mit ihrer Öse (7a) in einer seitlichen Kerbe (4b) des Zwischenhebels (4) gegen Verrutschen gesichert ist.6 Contact arrangement according to claim 1 to 5, characterized in that the spring (7) with its eyelet (7a) in a lateral notch (4b) of the intermediate lever (4) is secured against slipping. 7 Kontaktanordnung nach Anspruch 1 bis 6, dadurch gekennzeichnet, daß der Kontakthebel (6) im Bereich seiner Abstützstellen (4c, 6e) jeweils mit zwei durch ein Stegteil (6h) verbundenen Schrägflächen (6f, 6g) versehen ist, die sich an angepaßten Stützflächen (4d, 4e) des Zwischenhebels (4) linienförmig derart abstützen, daß für den Kontakthebel (6) mit seinen Schrägflächen (6f, 6g) eine schaukelförmige Relativbewegung auf den Stützflächen (4d, 4e) des Zwischenhebels (4) durchführbar ist. (Fig. 2)7 Contact arrangement according to claim 1 to 6, characterized in that the contact lever (6) in the region of its support points (4c, 6e) is each provided with two inclined surfaces (6f, 6g) connected by a web part (6h), which are adapted to matched support surfaces (4d, 4e) of the intermediate lever (4) is supported in a linear manner in such a way that a rocking-like relative movement on the support surfaces (4d, 4e) of the intermediate lever (4) can be carried out for the contact lever (6) with its inclined surfaces (6f, 6g). (Fig. 2) 8 Kontaktanordnung nach Anspruch 1 bis 7, dadurch gekennzeichnet, daß sich die von der Kontaktstelle (6b) entfernt liegende Abstützstelle (6e) im Bereich der Lagerstelle (5) des Zwischenhebels (4) befindet.8 Contact arrangement according to claim 1 to 7, characterized in that the support point (6e) located away from the contact point (6b) is in the region of the bearing point (5) of the intermediate lever (4). 9 Kontaktanordnung nach Anspruch 1 bis 8, dadurch gekennzeichnet, daß der Abstand zwischen den beiden Abstützstellen (4c, 6e) etwa der Hälfte des Abstandes zwischen der Kontaktstelle (6b) und der dieser nächstliegenden Abstützstelle (4c) entspricht.9 contact arrangement according to claim 1 to 8, characterized in that the distance between the two support points (4c, 6e) corresponds to approximately half the distance between the contact point (6b) and the support point closest to it (4c).
EP82111358A 1981-12-12 1982-12-08 Contact arrangement for an automatic switch Expired EP0081805B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82111358T ATE22750T1 (en) 1981-12-12 1982-12-08 CONTACT ARRANGEMENT FOR A CIRCUIT SWITCH.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3149375 1981-12-12
DE19813149375 DE3149375A1 (en) 1981-12-12 1981-12-12 CONTACT ARRANGEMENT FOR A SELF-SWITCH

Publications (3)

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EP0081805A2 true EP0081805A2 (en) 1983-06-22
EP0081805A3 EP0081805A3 (en) 1984-07-25
EP0081805B1 EP0081805B1 (en) 1986-10-08

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ID=6148626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82111358A Expired EP0081805B1 (en) 1981-12-12 1982-12-08 Contact arrangement for an automatic switch

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EP (1) EP0081805B1 (en)
AT (1) ATE22750T1 (en)
DE (2) DE3149375A1 (en)

Cited By (3)

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FR2552926A1 (en) * 1983-10-04 1985-04-05 Hager Electro IMPROVEMENTS ON SWITCHES WITH TILTING CONTACT HOLDER
EP1054424A1 (en) * 1999-05-17 2000-11-22 Gewiss S.P.A. Modular auxiliary electrical device particularly for electrical circuit breakers and the like
ES2157161A1 (en) * 1999-07-15 2001-08-01 Power Controls Iberica Sl Tripping mechanism for automatic switches

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
FR2610760B1 (en) * 1987-02-10 1993-05-14 Serd Soc Et Realisa Disjonct MANUAL CONTROLLED LOW VOLTAGE MULTIPOLAR SWITCH
DE3815805A1 (en) * 1988-05-09 1989-11-23 Calor Emag Elektrizitaets Ag Vacuum switch
DE9206137U1 (en) * 1992-05-07 1993-09-09 Siemens AG, 80333 München Circuit breaker with a switch lock
DE4320210A1 (en) * 1992-07-10 1994-01-13 Abb Patent Gmbh Electrical switching device
DE102017205282A1 (en) * 2017-03-29 2018-10-04 Siemens Aktiengesellschaft Electric switch with signal contact

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FR874330A (en) * 1940-07-31 1942-08-04 Ets Ringhoffer Tatra Sa Device for adjusting the speed of rotation of an automobile engine
DE830974C (en) * 1949-11-25 1952-02-11 Stotz Kontakt Gmbh Switching device for self-switch with neutral contacts
DE1069258B (en) * 1959-11-19 Siermens-Schuckerrwerke Aktiengesellschaft, Berlin und Erlangen Contact arrangement for electrical switching devices
FR2006838A1 (en) * 1968-04-24 1970-01-02 Siemens Ag
DE1538457A1 (en) * 1966-08-11 1970-03-26 Ellenberger & Poensgen Push-button overcurrent switch
FR2105077A2 (en) * 1970-09-23 1972-04-28 Legrand Sa

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Publication number Priority date Publication date Assignee Title
DE1069258B (en) * 1959-11-19 Siermens-Schuckerrwerke Aktiengesellschaft, Berlin und Erlangen Contact arrangement for electrical switching devices
FR874330A (en) * 1940-07-31 1942-08-04 Ets Ringhoffer Tatra Sa Device for adjusting the speed of rotation of an automobile engine
DE830974C (en) * 1949-11-25 1952-02-11 Stotz Kontakt Gmbh Switching device for self-switch with neutral contacts
DE1538457A1 (en) * 1966-08-11 1970-03-26 Ellenberger & Poensgen Push-button overcurrent switch
FR2006838A1 (en) * 1968-04-24 1970-01-02 Siemens Ag
FR2105077A2 (en) * 1970-09-23 1972-04-28 Legrand Sa

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2552926A1 (en) * 1983-10-04 1985-04-05 Hager Electro IMPROVEMENTS ON SWITCHES WITH TILTING CONTACT HOLDER
EP0142404A1 (en) * 1983-10-04 1985-05-22 Hager Electro S.A. Switches with a pivotally supported contact arm
EP1054424A1 (en) * 1999-05-17 2000-11-22 Gewiss S.P.A. Modular auxiliary electrical device particularly for electrical circuit breakers and the like
ES2157161A1 (en) * 1999-07-15 2001-08-01 Power Controls Iberica Sl Tripping mechanism for automatic switches

Also Published As

Publication number Publication date
EP0081805A3 (en) 1984-07-25
ATE22750T1 (en) 1986-10-15
DE3149375A1 (en) 1983-06-16
EP0081805B1 (en) 1986-10-08
DE3273690D1 (en) 1986-11-13

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