EP2779314A1 - Plug socket pole contact - Google Patents

Plug socket pole contact Download PDF

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Publication number
EP2779314A1
EP2779314A1 EP14000366.6A EP14000366A EP2779314A1 EP 2779314 A1 EP2779314 A1 EP 2779314A1 EP 14000366 A EP14000366 A EP 14000366A EP 2779314 A1 EP2779314 A1 EP 2779314A1
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EP
European Patent Office
Prior art keywords
contact
spring
conductor
over
legs
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
EP14000366.6A
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German (de)
French (fr)
Other versions
EP2779314B1 (en
Inventor
Hans-Peter Sahlmann
Manfred Ewers
Rolf-Klaus Burghardt
Oliver Mrkajic
Dirk Kückelhaus
Ingo Stumpf
Marcel Fröhling
Waldermar Morawietz
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ABB AG Germany
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ABB AG Germany
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Publication date
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Publication of EP2779314A1 publication Critical patent/EP2779314A1/en
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Publication of EP2779314B1 publication Critical patent/EP2779314B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket

Definitions

  • pole terminals or connector pin terminals for connecting phase conductors and neutral of a 230V AC voltage network of a copper alloy, preferably a copper-zinc material with spring property.
  • a copper-zinc material preferably a copper-zinc material with spring property.
  • a good electrical function ie. H. a satisfactory power line
  • a good mechanical function i. H. Normally required contact forces for the clamping of the connected conductor and the clamping inserted plug pins to ensure.
  • the invention has for its object to provide an optimized Steckdosenpolitch for a socket insert.
  • the advantages achieved by the invention are, in particular, that the proposed pole terminal assembly requires a reduced use of material, ie there is a reduction of the copper alloy material, for. As the copper-zinc material. Despite the additional required stainless steel material results in a considerable overall cost savings. Above all, however, there are advantageously very small relative movements of the "pin retention contour" and consequently on the pin and during the insertion of the pin. Outer spring (over-spring contact spring assembly) and inner spring (Polklemmenkomponente) are advantageously constructed in one piece, ie, both the retaining spring for the Desisteckenden conductor and the outer spring for applying the required male contact force. Furthermore, in generally known pole terminals, it is made of a copper alloy occurring problem of clamping force reduction at elevated temperature and simultaneous mechanical stress eliminated by the connector pins.
  • the Polklemmenkomponente the Steckdosenpolnapsins is integrally formed and bent from a corresponding punched copper alloy sheet.
  • the over-spring contact spring assembly of the socket contact is also formed in one piece and from a suitably punched metal with spring properties, in particular stainless steel sheet, bent. Alternatively, it is also possible to carry out the over-spring contact spring assembly in two parts or in three parts.
  • the over-spring arms 20 and 21 of the over-spring contact spring assembly 19 form outer springs and exert a spring force on the two contact legs 4 and 5, so as to exert a defined high holding force on an inserted pin.
  • both the contact spring arms 23 and 24 and the locking arms 25 and 26 engage in the hollow-channel conductor entries 14 and 15 so as to form retaining springs for the at least one conductor and to accomplish both the clamping and the locking of at least one inserted conductor.
  • the guide plate 13 serves as additional central support for the over-spring contact spring assembly 19th
  • the line clamp can be made single-ended, d. H. the structural components 23 and 25 or 24 and 26 are combined so that only one leg in each case fulfills the holding function.
  • FIG. 12 is a top perspective view of a copper alloy bus terminal component (see FIG Fig. 2 ) and from below (see Fig. 3 ).
  • the pole terminal component 3 has a first contact leg 4 and a second opposing contact leg 5, wherein each of these contact legs 4 and 5 is provided at the end with a contact tulip 6 or 7 is.
  • a stop 8 or 9 is formed on the contact legs 4 and 5, wherein these two stops 8, 9 in the rest position, ie when not plugged pin, press against each other.
  • Each of the two contact legs 4 and 5 merges into an integrally formed leg web 10 or 11, wherein these two leg webs 10, 11 are connected to each other in a U-shaped manner via a bridge 12.
  • This bridge 12 ends in a tongue-like projecting guide plate 13.
  • the bridge 12 are opposite to the leg webs 10 and 11 each hollow channel-shaped respectively in profile U-shaped conductor entries 14 and 15 are provided, each having a boundary web 16 and 17 at the end.
  • a first conductor in the introduction profile with hollow channel-shaped conductor insertion 14 / boundary web 16 and a second conductor in the introduction profile with hollow channel-shaped conductor insertion 15 / limiting web 17 can be inserted.
  • leg webs 10, 11 of the contact legs 4, 5 are arranged directly at the bridge 12 at a slight angle, so that the resilient leg webs 10, 11 on the insides of the conductor entries 14, 15th are connected. Due to this geometric configuration, the relative movements of the "plug pin holding contour" and consequently of the plug pin caused by the insertion of a plug pin are advantageously very small.
  • the locking arms 25 and 26 press end against an inserted conductor and cause such a locking of the conductor. As soon as a force is exerted on one of the unlocking arms 27 and 28, which is effected by a "spring release”, not shown, respectively, a "spring release plate”, the relevant locking arm 25 or 26 releases from the inserted conductor at the end, whereby it can be pulled out.
  • Fig. 5 is a view of a Polklemmenbaunosti shown.
  • the pole terminal assembly 1 is in its rest position. It is easy to see that the over-spring arms 20 and 21 of the over-spring contact spring assembly 19 press as outer springs against the contact legs 4 and 5 of the Polklemmenkomponente 3. The pressing against each other of the contact legs 4 and 5 is limited by the stops 8, 9 touch.
  • Fig. 5 shows also serving for conductor clamping and conductor locking spring with the over the leg webs 10, 11 with the contact legs 4, 5 connected conductor entries 14, 15 of the Polklemmenkomponente 3 and the over-spring bridge 22 including the Entriegelungsarmen 27, 28 of the over-spring contact spring assembly 19th
  • Fig. 9 a sketch for explaining "critical relative movements” shown.
  • critical relative movements in which the plug pin moves from A to B during insertion into the pole terminal assembly and moves in reverse from B to A during withdrawal from the pole terminal assembly are disadvantageous and to be avoided.
  • such "critical relative movements” occur in the proposed socket contact only to a very small extent.
  • over-spring contact spring assembly 19 is based on a one-piece executed over-spring contact spring assembly 19.

Abstract

The contact has terminal clamp component (3) made of copper alloy, and contact legs (4,5) with contacts (6,7) for clamping contact pin. A contact spring assembly (19) has compressive spring arms (20,21) which secures locking of contact pin, and contact spring arms and locking arms which secures conductor locking. The contact legs are directly engaged to bridge such that the leg webs of contact legs are connected to inner sides of conductor insertion portions (14,15) of clamp component.

Description

Die Erfindung betrifft einen Steckdosenpolkontakt für einen Steckdoseneinsatz. Eine Anwendung der Erfindung kann erfolgen

  • bei ortsunveränderlichen UP(Unterputz)-Anwendungen,
  • bei ortsunveränderlichen AP(Aufputz)-Anwendungen,
  • bei ortsveränderlichen UP(Unterputz)-Anwendungen.
The invention relates to a socket contact for a socket insert. An application of the invention can be made
  • for stationary UP (flush-mounted) applications,
  • for non-stationary AP (surface-mounted) applications,
  • for mobile flush-mounted (flush-mounted) applications.

Bei Steckdoseneinsätzen ist es allgemein üblich und bekannt, die Polklemmen respektive Steckerstiftklemmen zum Anschluss von Phasenleiter und Nullleiter eines 230V-Wechselpannungsnetzes aus einer Kupferlegierung, vorzugsweise einem Kupfer-Zink-Material mit Federeigenschaft auszubilden. Bei Auswahl des Kupfer-Zink-Materials muss ein Kompromiss eingegangen werden, um einerseits eine gute elektrische Funktion, d. h. eine zufriedenstellende Stromleitung, und andererseits eine gute mechanische Funktion, d. h. normativ geforderte Kontaktkräfte für die Klemmung des angeschlossenen Leiters und die Klemmung eingesteckter Steckerstifte zu gewährleisten.In socket inserts, it is common practice and known to form the pole terminals or connector pin terminals for connecting phase conductors and neutral of a 230V AC voltage network of a copper alloy, preferably a copper-zinc material with spring property. When choosing the copper-zinc material, a compromise must be made to ensure a good electrical function, ie. H. a satisfactory power line, and on the other hand a good mechanical function, i. H. Normally required contact forces for the clamping of the connected conductor and the clamping inserted plug pins to ensure.

Der Erfindung liegt die Aufgabe zugrunde, einen optimierten Steckdosenpolkontakt für einen Steckdoseneinsatz anzugeben.The invention has for its object to provide an optimized Steckdosenpolkontakt for a socket insert.

Diese Aufgabe wird erfindungsgemäß gelöst durch einen Steckdosenpolkontakt für einen Steckdoseneinsatz, welcher eine Polklemmenbaugruppe aufweist, die zusammengesetzt ist

  • aus einer Polklemmenkomponente aus einer Kupferlegierung mit zwei Leitereinführungen sowie zwei sich gegenüberliegenden Kontaktschenkeln mit jeweils endseitigen Kontakttulpen zur Einführung und Klemmung eines Steckerstiftes und
  • aus einer Überfeder-Kontaktfeder-Baugruppe aus einem Metall mit Federeigenschaften,
  • wobei die Polklemmenkomponente die elektrische Funktion der Stromleitung vom Leiter zum Steckerstift abdeckt,
  • wobei die Überfeder-Kontaktfeder-Baugruppe die mechanische Funktion abdeckt und hierzu über zwei gegen die Kontaktschenkel pressende Überfederarme die Klemmkraft für die Steckerstiftklemmung sicherstellt und über eine Kontaktfeder mit mindestens einem Kontaktfederarm sowie mindestens einem Verriegelungsarm die Klemmkraft für die Leiterklemmung und die Leiterverriegelung sicherstellt,
  • wobei die Leitereinführungen über eine Brücke miteinander verbunden sind und Schenkelstege der Kontaktschenkel unmittelbar an der Brücke angreifen, so dass die federnden Schenkelstege an den Innenseiten der Leitereinführungen angebunden sind.
This object is achieved by a Steckdosenpolkontakt for a socket insert, which has a Polklemmenbaugruppe which is composed
  • from a Polklemmenkomponente of a copper alloy with two conductor entries and two opposite contact legs each with end-side contact tulips for insertion and clamping of a connector pin and
  • from an over spring contact spring assembly made of a metal with spring properties,
  • wherein the pole terminal component covers the electrical function of the power line from the conductor to the pin,
  • wherein the over-spring contact spring assembly covers the mechanical function and this ensures the clamping force for the Steckerstiftklemmung via two pressing against the contact legs over-spring arms and ensures the clamping force for the Leiterklemmung and the conductor lock via a contact spring with at least one contact spring arm and at least one locking arm
  • wherein the conductor entries are connected to each other via a bridge and leg webs of the contact legs act directly on the bridge, so that the resilient leg webs are connected to the insides of the conductor entries.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, dass die vorgeschlagene Polklemmenbaugruppe einen reduzierten Materialeinsatz erfordert, d. h. es ergibt sich eine Reduzierung des Kupferlegierung-Materials, z. B. des Kupfer-Zink-Materials. Trotz des zusätzlich erforderlichen Edelstahl-Materials ergibt sich eine beträchtliche Gesamteinsparung bezüglich der Kosten. Vor allem jedoch treten vorteilhaft sehr geringe Relativbewegungen der "Steckerstift-Haltekontur" und folglich am Steckerstift und während des Einsteckens des Steckerstiftes auf. Außenfeder (Überfeder-Kontaktfeder-Baugruppe) und Innenfeder (Polklemmenkomponente) sind vorteilhaft einteilig aufgebaut, d. h. sowohl die Haltefeder für den einzusteckenden Leiter als auch die Außenfeder zum Aufbringen der erforderlichen Stecker-Kontaktkraft. Ferner wird das bei allgemein bekannten Polklemmen aus einer Kupferlegierung auftretende Problem einer Klemmkraftverringerung bei erhöhter Temperatur und gleichzeitiger mechanischer Belastung durch die Steckerstifte beseitigt.The advantages achieved by the invention are, in particular, that the proposed pole terminal assembly requires a reduced use of material, ie there is a reduction of the copper alloy material, for. As the copper-zinc material. Despite the additional required stainless steel material results in a considerable overall cost savings. Above all, however, there are advantageously very small relative movements of the "pin retention contour" and consequently on the pin and during the insertion of the pin. Outer spring (over-spring contact spring assembly) and inner spring (Polklemmenkomponente) are advantageously constructed in one piece, ie, both the retaining spring for the einzusteckenden conductor and the outer spring for applying the required male contact force. Furthermore, in generally known pole terminals, it is made of a copper alloy occurring problem of clamping force reduction at elevated temperature and simultaneous mechanical stress eliminated by the connector pins.

Zweckmäßig ist die Polklemmenkomponente des Steckdosenpolkontakts einteilig ausgebildet und aus einem entsprechend ausgestanzten Kupferlegierungsblech gebogen.Suitably, the Polklemmenkomponente the Steckdosenpolkontakts is integrally formed and bent from a corresponding punched copper alloy sheet.

Des Weiteren ist die Überfeder-Kontaktfeder-Baugruppe des Steckdosenpolkontakts ebenfalls einteilig ausgebildet und aus einem entsprechend ausgestanzten Metall mit Federeigenschaften, insbesondere Edelstahlblech, gebogen. Alternativ hierzu ist es auch möglich, die Überfeder-Kontaktfeder-Baugruppe zweiteilig oder dreiteilig auszuführen.Furthermore, the over-spring contact spring assembly of the socket contact is also formed in one piece and from a suitably punched metal with spring properties, in particular stainless steel sheet, bent. Alternatively, it is also possible to carry out the over-spring contact spring assembly in two parts or in three parts.

Die Erfindung wird nachstehend an Hand der in der Zeichnung dargestellten Ausführungsbeispiele erläutert. Es zeigen:

Fig. 1
eine perspektivische Ansicht einer Polklemmenbaugruppe,
Fig. 2, 3
perspektivische Ansichten einer Polklemmenkomponente aus einer Kupferlegierung für die Stromleitung von oben und von unten,
Fig. 4
eine perspektivische Ansicht einer Überfeder-Kontaktfeder-Baugruppe,
Fig. 5
eine Sicht auf eine Polklemmenbaugruppe,
Fig. 6, 7, 8
Ansichten auf eine Polklemmenbaugruppe im Ruhezustand und nach dem Einstecken von verschiedenen Steckerstiften mit jeweils unterschiedlichen Durchmessern,
Fig. 9
eine Skizze zur Erläuterung von "kritischen Relativbewegungen".
The invention will be explained below with reference to the embodiments illustrated in the drawings. Show it:
Fig. 1
a perspective view of a Polklemmenbaugruppe,
Fig. 2, 3rd
perspective views of a copper alloy pole terminal component for power conduction from above and below,
Fig. 4
a perspective view of an over-spring contact spring assembly,
Fig. 5
a view of a pole terminal assembly,
Fig. 6, 7, 8
Views on a Polklemmenbaugruppe at rest and after inserting different pins with different diameters,
Fig. 9
a sketch to explain "critical relative movements".

In Fig. 1 ist eine perspektivische Ansicht einer Polklemmenbaugruppe dargestellt. Die Polklemmenbaugruppe 1 ist aus zwei jeweils einteilig ausgebildeten Hauptkomponenten zusammengesetzt:

  • einer Polklemmenkomponente 3 aus einer Kupferlegierung (z. B. einem Kupfer-Zink-Material) für die elektrische Funktion, d. h. Stromleitung, wobei für die detaillierte Beschreibung zunächst auf die Figurenbeschreibung zu den Figuren 2 und 3 hingewiesen wird, um Wiederholungen zu vermeiden.
  • einer Überfeder-Kontaktfeder-Baugruppe 19 aus einem Metall mit guten Federeigenschaften, vorzugsweise Edelstahl, für die mechanische Funktion, wobei für die detaillierte Beschreibung zunächst auf die Figurenbeschreibung zu Figur 4 hingewiesen wird, um Wiederholungen zu vermeiden.
In Fig. 1 is a perspective view of a Polklemmenbaugruppe shown. The pole terminal assembly 1 is composed of two main components, each integrally formed:
  • a pole terminal component 3 made of a copper alloy (for example, a copper-zinc material) for the electrical function, ie power line, wherein for the detailed description, first to the figure description of the FIGS. 2 and 3 is pointed out to avoid repetition.
  • an over-spring contact spring assembly 19 made of a metal with good spring properties, preferably stainless steel, for the mechanical function, wherein for the detailed description, first to the description of the figures FIG. 4 is pointed out to avoid repetition.

Von Wichtigkeit bei der Polklemmenbaugruppe 1 ist, dass die Überfederarme 20 bzw. 21 der Überfeder-Kontaktfeder-Baugruppe 19 Außenfedern bilden und eine Federkraft auf die beiden Kontaktschenkel 4 bzw. 5 ausüben, um derart eine definiert hohe Haltekraft auf einen eingesteckten Steckerstift auszuüben.Of importance in the Polklemmenbaugruppe 1 is that the over-spring arms 20 and 21 of the over-spring contact spring assembly 19 form outer springs and exert a spring force on the two contact legs 4 and 5, so as to exert a defined high holding force on an inserted pin.

Des Weiteren ist es bei der Polklemmenbaugruppe 1 von Wichtigkeit, dass sowohl die Kontaktfederarme 23 bzw. 24 als auch die Verriegelungsarme 25 bzw. 26 in die hohlkanalförmigen Leitereinführungen 14 bzw. 15 eingreifen, um auf diese Weise Haltefedern für den mindestens einen Leiter zu bilden und sowohl die Klemmung als auch die Verriegelung mindestens eines eingeführten Leiters zu bewerkstelligen. Die Führungsplatte 13 dient dabei als zusätzliche mittige Stütze für die Überfeder-Kontaktfeder-Baugruppe 19.Furthermore, it is important in the Polklemmenbaugruppe 1 that both the contact spring arms 23 and 24 and the locking arms 25 and 26 engage in the hollow-channel conductor entries 14 and 15 so as to form retaining springs for the at least one conductor and to accomplish both the clamping and the locking of at least one inserted conductor. The guide plate 13 serves as additional central support for the over-spring contact spring assembly 19th

Alternativ kann die Leitungsklemmung einschenklig ausgeführt sein, d. h. die Baukomponenten 23 und 25 bzw. 24 und 26 sind so zusammengefasst, dass lediglich jeweils ein Schenkel die Haltefunktion erfüllt.Alternatively, the line clamp can be made single-ended, d. H. the structural components 23 and 25 or 24 and 26 are combined so that only one leg in each case fulfills the holding function.

In den Fig. 2, 3 sind perspektivische Ansichten einer Polklemmenkomponente aus einer Kupferlegierung für die Stromleitung von oben (siehe Fig. 2) und von unten (siehe Fig. 3) dargestellt. Die Polklemmenkomponente 3 weist einen ersten Kontaktschenkel 4 und einen zweiten gegenüberliegenden Kontaktschenkel 5 auf, wobei jeder dieser Kontaktschenkel 4 bzw. 5 endseitig mit einer Kontakttulpe 6 bzw. 7 versehen ist. Um eine definierte Ruhestellung festzulegen, ist jeweils ein Anschlag 8 bzw. 9 an den Kontaktschenkel 4 bzw. 5 angeformt, wobei diese beiden Anschläge 8, 9 in Ruhestellung, d. h. bei nicht eingestecktem Steckerstift, gegeneinander pressen.In the Fig. 2, 3rd FIG. 12 is a top perspective view of a copper alloy bus terminal component (see FIG Fig. 2 ) and from below (see Fig. 3 ). The pole terminal component 3 has a first contact leg 4 and a second opposing contact leg 5, wherein each of these contact legs 4 and 5 is provided at the end with a contact tulip 6 or 7 is. In order to define a defined rest position, in each case a stop 8 or 9 is formed on the contact legs 4 and 5, wherein these two stops 8, 9 in the rest position, ie when not plugged pin, press against each other.

Jeder der beiden Kontaktschenkel 4 bzw. 5 geht über in einen angeformten Schenkelsteg 10 bzw. 11, wobei diese beiden Schenkelstege 10, 11 über eine Brücke 12 U-förmig miteinander verbunden sind. Diese Brücke 12 endet in einer zungenartig herausragenden Führungsplatte 13. Der Brücke 12 gegenüberliegend sind an den Schenkelstegen 10 bzw. 11 jeweils hohlkanalförmige respektive im Profil U-förmige Leitereinführungen 14 bzw. 15 vorgesehen, welche endseitig jeweils einen Begrenzungssteg 16 bzw. 17 aufweisen. Wie zu erkennen ist, sind ein erster Leiter in das Einführungsprofil mit hohlkanalförmiger Leitereinführung 14 / Begrenzungssteg 16 und ein zweiter Leiter in das Einführungsprofil mit hohlkanalförmiger Leitereinführung 15 / Begrenzungssteg 17 einsteckbar.Each of the two contact legs 4 and 5 merges into an integrally formed leg web 10 or 11, wherein these two leg webs 10, 11 are connected to each other in a U-shaped manner via a bridge 12. This bridge 12 ends in a tongue-like projecting guide plate 13. The bridge 12 are opposite to the leg webs 10 and 11 each hollow channel-shaped respectively in profile U-shaped conductor entries 14 and 15 are provided, each having a boundary web 16 and 17 at the end. As can be seen, a first conductor in the introduction profile with hollow channel-shaped conductor insertion 14 / boundary web 16 and a second conductor in the introduction profile with hollow channel-shaped conductor insertion 15 / limiting web 17 can be inserted.

Bei der vorstehend erläuterten Konfiguration ist es von großer Wichtigkeit, dass die Schenkelstege 10, 11 der Kontaktschenkel 4, 5 unmittelbar an der Brücke 12 unter einem geringen Winkel angeordnet sind, so dass die federnden Schenkelstege 10, 11 an den Innenseiten der Leitereinführungen 14, 15 angebunden sind. Aufgrund dieser geometrischen Ausgestaltung sind die durch das Einstecken eines Steckerstiftes verursachten Relativbewegungen der "Steckerstift-Haltekontur" und folglich des Steckerstiftes vorteilhaft sehr gering.In the configuration described above, it is of great importance that the leg webs 10, 11 of the contact legs 4, 5 are arranged directly at the bridge 12 at a slight angle, so that the resilient leg webs 10, 11 on the insides of the conductor entries 14, 15th are connected. Due to this geometric configuration, the relative movements of the "plug pin holding contour" and consequently of the plug pin caused by the insertion of a plug pin are advantageously very small.

In Fig. 4 ist eine perspektivische Ansicht einer Überfeder-Kontaktfeder-Baugruppe dargestellt. Die einteilig ausgeführte, vorzugsweise aus Edelstahl bestehende Überfeder-Kontaktfeder-Baugruppe 19 weist einen ersten Überfederarm 20 und einen zweiten gegenüberliegenden Überfederarm 21 auf, wobei diese beiden Überfederarme 20, 21 über eine Überfederbrücke 22 U-förmig miteinander verbunden sind. Die in Form einer Rechteckplatte mit vier Außenkanten ausgebildete Überfederbrücke 22

  • weist an ihrer ersten nicht mit den Überfederarmen 20, 21 verbundenen Außenkante nebeneinander zwei angeformte Kontaktfederarme 23, 24 auf, wobei die Kontaktfederarme 23, 24 die für eine Leiterklemmung erforderliche Klemmkraft aufbringen,
  • weist an ihrer zweiten nicht mit den Überfederarmen 20, 21 verbundenen Außenkante (gegenüberliegend zur ersten Außenkante) nebeneinander zwei angeformte Verriegelungsarme 25, 26 auf, wobei neben einem Verriegelungsarm 25 bzw. 26 jeweils ein Entriegelungsarm 27 bzw. 28 angeordnet ist.
In Fig. 4 is a perspective view of an over-spring contact spring assembly shown. The one-piece running, preferably made of stainless steel over-spring contact spring assembly 19 has a first over-spring arm 20 and a second opposite over-spring arm 21, wherein these two over-spring arms 20, 21 are connected via an over-spring bridge 22 U-shaped. The formed in the form of a rectangular plate with four outer edges over spring bridge 22nd
  • has two integrally formed contact spring arms 23, 24 at its first outer edge not connected to the over-spring arms 20, 21, wherein the contact spring arms 23, 24 apply the clamping force required for a conductor clamping,
  • has at its second not connected to the over-spring arms 20, 21 outer edge (opposite to the first outer edge) side by side two molded locking arms 25, 26, wherein in addition to a locking arm 25 and 26 each have a Entriegelungsarm 27 and 28 respectively.

Die Verriegelungsarme 25 bzw. 26 pressen endseitig gegen einen eingesteckten Leiter und bewirken derart eine Arretierung des Leiters. Sobald eine Kraft auf einen der Entriegelungsarme 27 bzw. 28 ausgeübt wird, was durch einen nicht dargestellten "Federlöser" respektive eine "Federlöserplatte" erfolgt, löst sich der betreffende Verriegelungsarm 25 bzw. 26 endseitig vom eingesteckten Leiter, wodurch dieser herausgezogen werden kann.The locking arms 25 and 26 press end against an inserted conductor and cause such a locking of the conductor. As soon as a force is exerted on one of the unlocking arms 27 and 28, which is effected by a "spring release", not shown, respectively, a "spring release plate", the relevant locking arm 25 or 26 releases from the inserted conductor at the end, whereby it can be pulled out.

In Fig. 5 ist eine Sicht auf eine Polklemmenbaugruppe dargestellt. Die Polklemmenbaugruppe 1 befindet sich in ihrer Ruhestellung. Es ist gut zu erkennen, dass die Überfederarme 20 bzw. 21 der Überfeder-Kontaktfeder-Baugruppe 19 als Außenfedern gegen die Kontaktschenkel 4 bzw. 5 der Polklemmenkomponente 3 pressen. Das Gegeneinanderpressen der Kontaktschenkel 4 bzw. 5 wird begrenzt, indem sich die Anschläge 8, 9 berühren.In Fig. 5 is a view of a Polklemmenbaugruppe shown. The pole terminal assembly 1 is in its rest position. It is easy to see that the over-spring arms 20 and 21 of the over-spring contact spring assembly 19 press as outer springs against the contact legs 4 and 5 of the Polklemmenkomponente 3. The pressing against each other of the contact legs 4 and 5 is limited by the stops 8, 9 touch.

Fig. 5 zeigt ferner die zur Leiterklemmung und Leiterverriegelung dienende Haltefeder mit den über die Schenkelstege 10, 11 mit den Kontaktschenkeln 4, 5 verbundenen Leitereinführungen 14, 15 der Polklemmenkomponente 3 und der Überfederbrücke 22 inklusive den Entriegelungsarmen 27, 28 der Überfeder-Kontaktfeder-Baugruppe 19. Fig. 5 shows also serving for conductor clamping and conductor locking spring with the over the leg webs 10, 11 with the contact legs 4, 5 connected conductor entries 14, 15 of the Polklemmenkomponente 3 and the over-spring bridge 22 including the Entriegelungsarmen 27, 28 of the over-spring contact spring assembly 19th

In sind Fig. 6, 7, 8 sind Ansichten auf eine Polklemmenbaugruppe im Ruhezustand und nach dem Einstecken von Steckerstiften mit unterschiedlichen Durchmessern dargestellt:

  • Fig. 6 zeigt die Ruhestellung der Polklemmenbaugruppe 3, wie unter Fig. 5 erläutert, wobei der sich in Ruhestellung einstellende Kontaktdurchmesser 32 gestrichelt dargestellt ist. Der Winkel ß1 zwischen den Schenkelstegen 10, 11 und der Oberkante der Leitereinführungen 14, 15 ist stumpfwinklig und beträgt z. B. 95°: Kontaktschenkel 11 in "5 nach 12 Uhr Stellung".
  • Fig. 7 zeigt die Polklemmenbaugruppe 3 nach Einstecken eines Steckerstiftes 30 mit einem Durchmesser von 3,8mm, d. h. des Steckerstiftes eines "Euro-Steckers". Der sich in Ruhestellung einstellende Kontaktdurchmesser 32 ist gestrichelt dargestellt. Die Anschläge 8, 9 weisen bereits einen gewissen Abstand voneinander auf. Der Winkel ß2 zwischen den Schenkelstegen 10, 11 und der Oberkante der Leitereinführungen 14, 15 ist rechtwinklig: Kontaktschenkel 11 in "12 Uhr Stellung".
  • Fig. 8 zeigt die Polklemmenbaugruppe 3 nach Einstecken eines Steckerstiftes 31 mit einem Durchmesser von 4,8mm, d. h. des Steckerstiftes eines handelsüblichen Schuko-Steckers. Der sich in Ruhestellung einstellende Kontaktdurchmesser 32 und der Steckerstift 30 sind gestrichelt dargestellt. Der Abstand zwischen den Anschlägen 8, 9 hat sich vergrößert. Der Winkel ß3 zwischen den Schenkelstegen 10, 11 und der Oberkante der Leitereinführungen 14, 15 ist nunmehr spitzwinklig und beträgt z. B. 85°: Kontaktschenkel 11 in "5 vor 12 Uhr Stellung".
In are Fig. 6, 7, 8 views are shown on a pole terminal assembly at rest and after plugging pins with different diameters:
  • Fig. 6 shows the rest position of the Polklemmenbaugruppe 3, as shown in Fig. 5 explained, wherein the adjusting at rest contact diameter 32 is shown in dashed lines. The angle ß1 between the leg webs 10, 11 and the upper edge of the conductor entries 14, 15 is obtuse and z. B. 95 °: contact leg 11 in "5 after 12 o'clock position".
  • Fig. 7 shows the Polklemmenbaugruppe 3 after inserting a plug pin 30 with a diameter of 3.8mm, ie the pin of a "Euro plug". The at rest adjusting contact diameter 32 is shown in dashed lines. The stops 8, 9 already have a certain distance from each other. The angle ß2 between the leg webs 10, 11 and the upper edge of the conductor entries 14, 15 is rectangular: contact legs 11 in "12 o'clock position".
  • Fig. 8 shows the Polklemmenbaugruppe 3 after insertion of a plug pin 31 with a diameter of 4.8 mm, ie the pin of a commercial Schuko plug. The at rest adjusting contact diameter 32 and the pin 30 are shown in dashed lines. The distance between the stops 8, 9 has increased. The angle ß3 between the leg webs 10, 11 and the upper edge of the conductor entries 14, 15 is now acute-angled and is z. B. 85 °: contact leg 11 in "5 to 12 clock position".

Da die Minimierung der Relativbewegungen während des Einsteckens eines Steckerstiftes in die Polklemmenbaugruppe von großer Wichtigkeit ist, ist in Fig. 9 eine Skizze zur Erläuterung von "kritischen Relativbewegungen" gezeigt. Derartige "kritischen Relativbewegungen", bei welchen sich der Steckerstift während des Einsteckens in die Polklemmenbaugruppe von A nach B bewegt und während des Herausziehens aus der Polklemmenbaugruppe umgekehrt von B nach A bewegt, sind nachteilig und zu vermeiden. Vorteilhaft treten derartige "kritischen Relativbewegungen" beim vorgeschlagenen Steckdosenpolkontakt nur in sehr geringem Maß auf.Since the minimization of the relative movements during the insertion of a pin into the Polklemmenbaugruppe is of great importance, is in Fig. 9 a sketch for explaining "critical relative movements" shown. Such "critical relative movements" in which the plug pin moves from A to B during insertion into the pole terminal assembly and moves in reverse from B to A during withdrawal from the pole terminal assembly are disadvantageous and to be avoided. Advantageously, such "critical relative movements" occur in the proposed socket contact only to a very small extent.

Vorstehend wird von einer einteilig ausgeführten Überfeder-Kontaktfeder-Baugruppe 19 ausgegangen. Alternativ ist es selbstverständlich auch möglich, die Überfeder-Kontaktfeder-Baugruppe 19 zweiteilig oder dreiteilig auszubilden.The above is based on a one-piece executed over-spring contact spring assembly 19. Alternatively, it is of course also possible to form the over-spring contact spring assembly 19 in two parts or in three parts.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
PolklemmenbaugruppePolklemmenbaugruppe
22
--
33
Polklemmenkomponente aus einer KupferlegierungPole terminal component made of a copper alloy
44
erster Kontaktschenkelfirst contact leg
55
zweiter Kontaktschenkelsecond contact leg
66
erste Kontakttulpefirst contact tulip
77
zweite Kontakttulpesecond contact tulip
88th
erster Anschlag für Ruhestellungfirst stop for rest
99
zweiter Anschlag für Ruhestellungsecond stop for rest position
1010
erster Schenkelstegfirst leg bridge
1111
zweiter Schenkelstegsecond leg bridge
1212
Brückebridge
1313
Führungsplatteguide plate
1414
erste Leitereinführungfirst conductor introduction
1515
zweite Leitereinführungsecond conductor introduction
1616
erster Begrenzungsstegfirst boundary bridge
1717
zweiter Begrenzungsstegsecond boundary bridge
1818
--
1919
Überfeder-Kontaktfeder-Baugruppe aus einem Metall mit FedereigenschaftenOver spring contact spring assembly made of metal with spring characteristics
2020
erster Überfederarmfirst over-spring arm
2121
zweiter Überfederarmsecond over-spring arm
2222
ÜberfederbrückeAbout spring bridge
2323
erster Kontaktfederarmfirst contact spring arm
2424
zweiter Kontaktfederarmsecond contact spring arm
2525
erster Verriegelungsarmfirst locking arm
2626
zweiter Verriegelungsarmsecond locking arm
2727
erster Entriegelungsarmfirst unlocking
2828
zweiter Entriegelungsarmsecond unlocking arm
2929
--
3030
Steckerstift 3,8mmPin 3.8mm
3131
Steckerstift 4,8mmPin 4.8mm
3232
Kontaktdurchmesser in RuhestellungContact diameter at rest

Claims (5)

Steckdosenpolkontakt für einen Steckdoseneinsatz, gekennzeichnet durch eine Polklemmenbaugruppe (1), zusammengesetzt • aus einer Polklemmenkomponente (3) aus einer Kupferlegierung mit zwei Leitereinführungen (14, 15) sowie zwei sich gegenüberliegenden Kontaktschenkeln (4, 5) mit jeweils endseitigen Kontakttulpen (6, 7) zur Einführung und Klemmung eines Steckerstiftes und • aus einer Überfeder-Kontaktfeder-Baugruppe (19) aus einem Metall mit Feder-eigenschaften, • wobei die Polklemmenkomponente (3) die elektrische Funktion der Stromleitung vom Leiter zum Steckerstift abdeckt, • wobei die Überfeder-Kontaktfeder-Baugruppe (19) die mechanische Funktion abdeckt und hierzu über zwei gegen die Kontaktschenkel (4, 5) pressende Überfederarme (20, 21) die Klemmkraft für die Steckerstiftklemmung sicherstellt und über eine Kontaktfeder mit mindestens einem Kontaktfederarm (23, 24) sowie mindestens einem Verriegelungsarm (25, 26) die Klemmkraft für die Leiterklemmung und die Leiterverriegelung sicherstellt und • wobei die Leitereinführungen (14, 15) über eine Brücke (12) miteinander verbunden sind und Schenkelstege (10, 11) der Kontaktschenkel (4, 5) unmittelbar an der Brücke (12) angreifen, so dass die federnden Schenkelstege (10, 11) an den Innenseiten der Leitereinführungen (14, 15) angebunden sind. Plug pole contact for a socket insert, characterized by a Polklemmenbaugruppe (1), assembled • a Polklemmenkomponente (3) of a copper alloy with two conductor entries (14, 15) and two opposite contact legs (4, 5) each with end-side contact tulips (6, 7) for insertion and clamping of a connector pin and From an over-spring contact spring assembly (19) made of a metal with spring properties, Wherein the pole terminal component (3) covers the electrical function of the power line from the conductor to the pin, Wherein the over-spring contact spring assembly (19) covers the mechanical function and for this purpose over two against the contact legs (4, 5) pressing over-spring arms (20, 21) ensures the clamping force for the Steckerstiftklemmung and via a contact spring with at least one Kontaktfederarm (23 , 24) and at least one locking arm (25, 26) ensures the clamping force for the conductor clamping and the conductor lock and Wherein the conductor leads (14, 15) are connected to one another via a bridge (12) and engage leg limbs (10, 11) of the contact legs (4, 5) directly on the bridge (12), so that the resilient leg webs (10, 11 ) are connected to the insides of the conductor entries (14, 15). Steckdosenpolkontakt nach Anspruch 1, gekennzeichnet durch eine einteilig ausgebildete und aus einem entsprechend ausgestanzten Kupferlegierungsblech gebogene Polklemmenkomponente (3).Socket pole contact according to Claim 1, characterized by a pole terminal component (3) formed in one piece and bent out of a suitably punched copper alloy sheet. Steckdosenpolkontakt nach Anspruch 1, gekennzeichnet durch eine einteilig ausgebildete und aus einem entsprechend ausgestanzten Metall mit Federeigenschaften gebogene Überfeder-Kontaktfeder-Baugruppe (19).Steckdosenpolkontakt according to claim 1, characterized by an integrally formed and from a suitably punched metal with spring properties bent over spring contact spring assembly (19). Steckdosenpolkontakt nach Anspruch 1, gekennzeichnet durch eine zweiteilig ausgebildete und aus einem entsprechend ausgestanzten Metall mit Federeigenschaften gebogene Überfeder-Kontaktfeder-Baugruppe (19).Steckdosenpolkontakt according to claim 1, characterized by a two-part and formed from a suitably punched metal with spring properties bent over spring contact spring assembly (19). Steckdosenpolkontakt nach Anspruch 1, gekennzeichnet durch eine dreiteilig ausgebildete und aus einem entsprechend ausgestanzten Metall mit Federeigenschaften gebogene Überfeder-Kontaktfeder-Baugruppe (19).Steckdosenpolkontakt according to claim 1, characterized by a three-piece and formed from a suitably punched metal with spring properties bent over spring contact spring assembly (19).
EP14000366.6A 2013-03-12 2014-01-31 Plug socket pole contact Not-in-force EP2779314B1 (en)

Applications Claiming Priority (2)

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DE102013004209 2013-03-12
DE102013005143.6A DE102013005143A1 (en) 2013-03-12 2013-03-26 Steckdosenpolkontakt

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EP2779314A1 true EP2779314A1 (en) 2014-09-17
EP2779314B1 EP2779314B1 (en) 2016-09-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3336967A1 (en) * 2016-12-15 2018-06-20 Legrand France Electrical connection element
CN113036475A (en) * 2021-03-29 2021-06-25 国网河南省电力公司电力科学研究院 Round tube type double-wedge-shaped splicing sleeve
WO2022124236A1 (en) * 2020-12-11 2022-06-16 株式会社オートネットワーク技術研究所 Female terminal

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015119389A1 (en) 2015-11-11 2017-05-11 Abb Ag Steckdosenpolkontakt
DE102015119388B4 (en) 2015-11-11 2023-04-06 Abb Schweiz Ag socket pole contact

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19545195C1 (en) * 1995-12-05 1997-04-24 Broekelmann Jaeger & Busse Lamp holder, in particular for halogen lamps
EP1020954A2 (en) * 1999-01-13 2000-07-19 Albert Ackermann GmbH & Co. KG Electric connecting terminal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19545195C1 (en) * 1995-12-05 1997-04-24 Broekelmann Jaeger & Busse Lamp holder, in particular for halogen lamps
EP1020954A2 (en) * 1999-01-13 2000-07-19 Albert Ackermann GmbH & Co. KG Electric connecting terminal

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3336967A1 (en) * 2016-12-15 2018-06-20 Legrand France Electrical connection element
FR3060872A1 (en) * 2016-12-15 2018-06-22 Legrand France ELECTRICAL CONNECTION ELEMENT
WO2022124236A1 (en) * 2020-12-11 2022-06-16 株式会社オートネットワーク技術研究所 Female terminal
JP7402435B2 (en) 2020-12-11 2023-12-21 株式会社オートネットワーク技術研究所 female terminal
CN113036475A (en) * 2021-03-29 2021-06-25 国网河南省电力公司电力科学研究院 Round tube type double-wedge-shaped splicing sleeve
CN113036475B (en) * 2021-03-29 2022-04-22 国网河南省电力公司电力科学研究院 Round tube type double-wedge-shaped splicing sleeve

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EP2779314B1 (en) 2016-09-28

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