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EP2158646B1 - Coaxial connector - Google Patents

Coaxial connector Download PDF

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Publication number
EP2158646B1
EP2158646B1 EP08758946.1A EP08758946A EP2158646B1 EP 2158646 B1 EP2158646 B1 EP 2158646B1 EP 08758946 A EP08758946 A EP 08758946A EP 2158646 B1 EP2158646 B1 EP 2158646B1
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EP
European Patent Office
Prior art keywords
conductor
centre
parts
resilient
bellows
Prior art date
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EP08758946.1A
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German (de)
French (fr)
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EP2158646A2 (en
Inventor
Bernd Rosenberger
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.)
Rosenberger Hochfrequenztechnik GmbH and Co KG
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Rosenberger Hochfrequenztechnik GmbH and Co KG
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Publication of EP2158646A2 publication Critical patent/EP2158646A2/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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/54—Intermediate parts, e.g. adapters, splitters or elbows
    • H01R24/542—Adapters
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/44—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising impedance matching means

Definitions

  • the present invention relates to a coaxial connector having an outer conductor, which has a first plug-side end and an axially opposite the first plug-side end of the outer conductor second plug-side end, and an inner conductor, which has a first plug-side end and an axially opposite the first plug-side end of the inner conductor second has plug-in end, according to the preamble of claim 1.
  • Koaxialstockverbinder is from the US 3,416,125 known.
  • a coaxial connector with outer conductor sleeve and inner conductor for connecting a Koaxialsteckerbuchse with a circuit carrier known.
  • a resilient bellows made of a conductive material is arranged to keep emerging at the beginning of the socket axial and radial forces away from the circuit board.
  • the bellows is made for example by electroplating a thin nickel layer on an aluminum blank.
  • the connecting part can be produced without reflection.
  • the contour of the bellows is chosen such that even at the location of the bellows in the coaxial outer conductor sleeve, the predetermined standard resistance of, for example, 50 ⁇ . This can be calculated and implemented using a 3D simulator for high-frequency electromagnetic problems.
  • a coaxial interface in which on an outer conductor a displaceable damping sleeve in the form of a bellows construction is arranged.
  • This damping sleeve is designed in such a way that, when the connection device is disconnected, the outer conductor with the bellows construction generates a waveguide damping with a lower attenuation cutoff frequency of, for example, 20 GHz, so that the mechanically open HF connection can be referred to as shielded and terminated in electrical terms.
  • the electrical and mechanical properties when plugging the coaxial interface are not changed.
  • an outer conductor sleeve is provided which produces a mechanical and electrical contact when plugged in and therefore makes the bellows construction electrically inoperative when plugged in.
  • the invention is based on the object, a coaxial connector of o.g. Type with regard to frequency behavior and reliability.
  • the outer conductor comprises two separate outer conductor parts, wherein a first outer conductor part forms the first plug-side end of the outer conductor and a second outer conductor part forms the second plug-side end of the outer conductor, wherein the two outer conductor parts of the outer conductor are arranged and configured in this way in that these are movable relative to each other in the axial direction, wherein the outer conductor is formed between the two outer conductor parts as notedleiterfederbalg, wherein the outer conductor, a first elastic spring element is provided which acts on the two outer conductor parts of the outer conductor in the axial direction away from each other with force, said relieleiterfederbalg is designed such that when a change in length of the outer conductor spring bellows a changing capacity of the outer conductor spring bellows by a correspondingly changing inductance of the réelleleiterfederbalgs de rart is compensated for that with a change in length of the outer conductor spring bellows, the characteristic im
  • the two outer conductor parts of the outer conductor are arranged and formed such that they are movable relative to the inner conductor in the axial direction in each case.
  • the first elastic spring element is a helical spring.
  • a first stop is provided, which limits the movement of the two outer conductor parts in the axial direction away from each other.
  • an outer conductor sleeve which surrounds the two outer conductor parts and has second stops, which limits an axial movement of the two outer conductor parts away from each other.
  • the inner conductor comprises two separate inner conductor parts, wherein a first inner conductor part, the first plug-side end of the inner conductor and a second Inner conductor part forms the second plug-side end of the inner conductor, wherein the two inner conductor parts of the inner conductor are arranged and formed such that they are movable relative to each other in the axial direction, wherein the inner conductor between the two inner conductor parts is formed as réelleleiterfederbalg, wherein the réelleleiterfederbalg such is formed, that in a change in length of the réelleleiterfederbalgs a changing capacity of the mecanicleiterfederbalgs is compensated by a correspondingly changing inductance of réelleleiterfederbalgs such that at a change in length of the mecanicleiterfederbalgs the characteristic impedance of the Koaxialsteckverbinders remains substantially constant.
  • One of the outer conductor parts independent contact force at the opposite plug-side ends of the inner conductor is achieved in that the first inner conductor part in the axial direction relative to the first outer conductor part and the second inner conductor part in the axial direction relative to the second outer conductor part is movable, wherein the inner conductor provided a second elastic spring element is, which acts on the two inner conductor parts of the inner conductor in the axial direction away from each other with force.
  • the second elastic spring element is a helical spring.
  • a stop is provided which limits the movement of the two inner conductor parts in the axial direction away from each other.
  • the first inner conductor part is rigidly connected to the first outer conductor part and the second inner conductor part is rigidly connected to the second outer conductor part.
  • the in Fig. 1 and 2 shown coaxial connector 10 includes an inner conductor 12 and an outer conductor, which is composed of a first outer conductor part 14, which forms a first plug-side end of the outer conductor, and a second outer conductor part 16, which forms a second plug-side end of the outer conductor. Between the two outer conductor parts 14, 16 of the outer conductor is formed as Basleiterfederbalg 18. In this way, the two outer conductor parts 14, 16 can move in the axial direction relative to each other.
  • the inner conductor 12 is rigid, wherein the inner conductor 12 of Isolierstoffusionn 20 is held within the two outer conductor parts 14, 16 such that the two outer conductor parts 14, 16 can move relative to the inner conductor 12 in the axial direction.
  • a helical spring 22 is provided, which is arranged and designed such that the helical spring 22 pushes the two outer conductor parts 14, 16 away from one another in the axial direction.
  • the two outer conductor parts 14, 16 are surrounded by an outer conductor sleeve 24, which guides the two outer conductor parts 14, 16 in the axial direction and stops 26 forms, which limits an axial movement of the two outer conductor parts 14, 16 away from each other.
  • the coil spring 22 is mounted in the outer conductor sleeve 24 with bias, so that the coil spring 22, the two outer conductor parts 14, 16 in the unplugged condition, as in Fig. 1 shown against the stops 26 presses.
  • complementary coaxial connector 28 is shown, which are designed for mating with the first and second plug-side end of the coaxial connector.
  • the coil spring 22 presses the two outer conductor part 14, 16 of the outer conductor against the contact surfaces of the complementary coaxial connector 28 and thereby provides a good mechanical and electrical contact between the coaxial connector 10 of the invention and the complementary coaxial connectors 28 forth.
  • the Theticianleiterfederbalg 18 is designed such that it provides a length and tolerance compensation by a corresponding change in length, with a change in length of thequaintleiterfederbalgs 18 a changing capacity of the Thusleiterfederbalgs 18 is compensated by a correspondingly changing inductance of the réelleleiterfederbalgs 18 so that with a change in length of the outer conductor spring bellows 18, the characteristic impedance of the coaxial connector 10 remains substantially constant.
  • the coil springs 22 on the outer conductor part absorbs the mechanical insertion forces. However, since the current passes through the outer conductor spring bellows 18 and not via the helical spring, the electrical line is thus separated from the mechanical load in a particularly advantageous manner.
  • Fig. 3 shows a coaxial connector 100 according to the invention, wherein functionally identical parts are designated by the same reference numerals as in Fig. 1 and 2 so that their explanation to the above description of Fig. 1 and 2 is referenced.
  • the inner conductor is also in two parts composed of a first inner conductor part 30 and a second inner conductor part 32, wherein the inner conductor between the two inner conductor parts 30, 32 is formed as réelleleiterfederbalg 34.
  • the two inner conductor parts 30, 32 are held rigidly or movably relative to the two outer conductor parts 14, 16 by the insulating material disks 20, ie the first inner conductor part 30 is rigid or movable via the insulating disk 20 with the first outer conductor part 14 and the second inner conductor part 32 is over the Insulating disk 20 rigidly or movably connected to the second outer conductor part 16.
  • a length and tolerance compensation when plugging in the coaxial connector 100 is also available on the inner conductor.
  • a second coil spring (not shown) is advantageously additionally arranged on the inner conductor such that this spiral spring presses the two inner conductor parts 30, 32 away from one another. This achieves an independent of the outer conductor tolerance and length compensation.
  • the psychologyleiterfederbalg 34 is, as the Basleiterfederbalg 18, designed such that it provides a length and tolerance compensation by a corresponding change in length, with a change in length of mecanicleiterfederbalgs 34, a changing capacity of mecanicleiterfederbalgs 34 by a correspondingly changing inductance of mecanicleiterfederbalgs 34 is compensated such that with a change in length of the mecanicleiterfederbalgs 34, the characteristic impedance of the coaxial connector 100 remains substantially constant.

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Description

Die vorliegende Erfindung betrifft einen Koaxialsteckverbinder mit einem Außenleiter, welcher ein erstes steckseitiges Ende und ein axial dem ersten steckseitigen Ende des Außenleiters gegenüberliegendes zweites steckseitiges Ende aufweist, sowie einem Innenleiter, welcher ein erstes steckseitiges Ende und ein axial dem ersten steckseitigen Ende des Innenleiters gegenüberliegendes zweites steckseitiges Ende aufweist, gemäß dem Oberbegriff des Anspruchs 1. Ein derartiger Koaxialstockverbinder ist aus der US 3,416,125 bekannt.The present invention relates to a coaxial connector having an outer conductor, which has a first plug-side end and an axially opposite the first plug-side end of the outer conductor second plug-side end, and an inner conductor, which has a first plug-side end and an axially opposite the first plug-side end of the inner conductor second has plug-in end, according to the preamble of claim 1. Such Koaxialstockverbinder is from the US 3,416,125 known.

Aus der DE 10 2004 044 975 A1 ist ein koaxiales Verbindungsteil mit Außenleiterhülse und Innenleiter zum Verbinden einer Koaxialsteckerbuchse mit einem Schaltungsträger bekannt. Im Innenleiter ist ein federnd nachgiebiger Faltenbalg aus einem leitenden Werkstoff angeordnet, um am Buchsenanfang auftretende axiale und radiale Kräfte von dem Schaltungsträger fern zu halten. Der Federbalg wird beispielsweise mittels galvanischen Aufbringens einer dünnen Nickelschicht auf einen Aluminiumrohling hergestellt. Trotz des Federbalgs kann das Verbindungsteil reflexionsarm hergestellt werden. Die Kontur des Faltenbalgs ist derart gewählt, dass auch am Ort des Faltenbalgs in der koaxialen Außenleiterhülse der vorgegebenen Normwiderstand von beispielsweise 50Ω besteht. Dies kann mit Hilfe eines 3D-Simulators für hochfrequente elektromagnetische Probleme berechnet und umgesetzt werden.From the DE 10 2004 044 975 A1 is a coaxial connector with outer conductor sleeve and inner conductor for connecting a Koaxialsteckerbuchse with a circuit carrier known. In the inner conductor, a resilient bellows made of a conductive material is arranged to keep emerging at the beginning of the socket axial and radial forces away from the circuit board. The bellows is made for example by electroplating a thin nickel layer on an aluminum blank. Despite the bellows, the connecting part can be produced without reflection. The contour of the bellows is chosen such that even at the location of the bellows in the coaxial outer conductor sleeve, the predetermined standard resistance of, for example, 50Ω. This can be calculated and implemented using a 3D simulator for high-frequency electromagnetic problems.

Aus der DE 199 26 483 A1 ist eine koaxiale Schnittstelle bekannt, bei der an einem Außenleiter eine verschiebbare Dämpfungshülse in Form einer Balgkonstruktion angeordnet ist. Diese Dämpfungshülse ist derart ausgebildet, dass bei abgezogener Anschlusseinrichtung der Außenleiter mit der Balgkonstruktion eine Hohlleiterdämpfung mit einer unteren Dämpfungs-Grenzfrequenz von beispielsweise 20 GHz erzeugt, so dass der mechanisch offene HF-Anschluss in elektrischer Hinsicht als abgeschirmt und abgeschlossen bezeichnet werden kann. Die elektrischen und mechanischen Eigenschaften beim steckenden Verbinden der koaxialen Schnittstelle werden jedoch nicht verändert. Im Gegenteil ist eine Außenleiterhülse vorgesehen, die im gesteckten Zustand eine mechanische und elektrische Kontaktierung herstellt und die Balgkonstruktion daher im gesteckten Zustand elektrisch unwirksam macht.From the DE 199 26 483 A1 a coaxial interface is known in which on an outer conductor a displaceable damping sleeve in the form of a bellows construction is arranged. This damping sleeve is designed in such a way that, when the connection device is disconnected, the outer conductor with the bellows construction generates a waveguide damping with a lower attenuation cutoff frequency of, for example, 20 GHz, so that the mechanically open HF connection can be referred to as shielded and terminated in electrical terms. However, the electrical and mechanical properties when plugging the coaxial interface are not changed. On the contrary, an outer conductor sleeve is provided which produces a mechanical and electrical contact when plugged in and therefore makes the bellows construction electrically inoperative when plugged in.

Der Erfindung liegt die Aufgabe zugrunde, einen Koaxialsteckverbinder der o.g. Art hinsichtlich Frequenzverhalten und Funktionssicherheit zu verbessern.The invention is based on the object, a coaxial connector of o.g. Type with regard to frequency behavior and reliability.

Diese Aufgabe wird erfindungsgemäß durch einen Koaxialsteckverbinder der o.g. Art mit den in Anspruch 1 gekennzeichneten Merkmalen gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den weiteren Ansprüchen beschrieben.This object is achieved by a coaxial connector of o.g. Art solved with the features characterized in claim 1. Advantageous embodiments of the invention are described in the further claims.

Bei einem Koaxialsteckverbinder der o.g. Art ist vorgesehen, dass der Außenleiter zwei separate Außenleiterteile umfasst, wobei ein erstes Außenleiterteil das erste steckseitige Ende des Außenleiters und ein zweites Außenleiterteil das zweite steckseitige Ende des Außenleiters ausbildet, wobei die beiden Außenleiterteile des Außenleiters derart angeordnet und ausgebildet sind, dass diese in axialer Richtung relativ zueinander bewegbar sind, wobei der Außenleiter zwischen den beiden Außenleiterteilen als Außenleiterfederbalg ausgebildet ist, wobei am Außenleiter ein erstes elastisches Federelement vorgesehen ist, welches die beiden Außenleiterteile des Außenleiters in axialer Richtung voneinander weg mit Kraft beaufschlagt, wobei der Außenleiterfederbalg derart ausgebildet ist, dass bei einer Längenänderung des Außenleiterfederbalgs eine sich ändernde Kapazität des Außenleiterfederbalgs durch eine sich entsprechend ändernde Induktivität des Außenleiterfederbalgs derart kompensiert wird, dass bei einer Längenänderung des Außenleiterfederbalgs der Wellenwiderstand des Koaxialsteckverbinders im Wesentlichen konstant bleibt.In a coaxial connector of the aforementioned type, it is provided that the outer conductor comprises two separate outer conductor parts, wherein a first outer conductor part forms the first plug-side end of the outer conductor and a second outer conductor part forms the second plug-side end of the outer conductor, wherein the two outer conductor parts of the outer conductor are arranged and configured in this way in that these are movable relative to each other in the axial direction, wherein the outer conductor is formed between the two outer conductor parts as Außenleiterfederbalg, wherein the outer conductor, a first elastic spring element is provided which acts on the two outer conductor parts of the outer conductor in the axial direction away from each other with force, said Außenleiterfederbalg is designed such that when a change in length of the outer conductor spring bellows a changing capacity of the outer conductor spring bellows by a correspondingly changing inductance of the Außenleiterfederbalgs de rart is compensated for that with a change in length of the outer conductor spring bellows, the characteristic impedance of the coaxial connector remains substantially constant.

Dies hat den Vorteil, dass ein Koaxialsteckverbinder für HF-Anwendungen mit Frequenzen oberhalb von 20 GHz mit Längenausgleich im Außenleiter zur Verfügung steht, wobei die elektrischen und mechanischen Eigenschaften des Koaxialsteckverbinders auch bei Längenänderung des Außenleiters nicht beeinträchtigt werden, sondern im Gegenteil über ein breites Frequenzspektrum verbessert sind.This has the advantage that a coaxial connector for RF applications with frequencies above 20 GHz with length compensation in the outer conductor is available, the electrical and mechanical properties of the coaxial connector are not affected even with change in length of the outer conductor, but on the contrary over a wide frequency range are improved.

Zweckmäßigerweise sind die beiden Außenleiterteile des Außenleiters derart angeordnet und ausgebildet, dass diese in axialer Richtung jeweils relativ zum Innenleiter bewegbar sind.Conveniently, the two outer conductor parts of the outer conductor are arranged and formed such that they are movable relative to the inner conductor in the axial direction in each case.

Beispielsweise ist das erste elastische Federelement eine Schraubenfeder.For example, the first elastic spring element is a helical spring.

Zweckmäßigerweise ist ein erster Anschlag vorgesehen, welcher die Bewegung der beiden Außenleiterteile in axialer Richtung voneinander weg begrenzt.Appropriately, a first stop is provided, which limits the movement of the two outer conductor parts in the axial direction away from each other.

In einer bevorzugten Ausführungsform ist eine Außenleiterhülse vorgesehen, welche die beiden Außenleiterteile umgreift und zweite Anschläge aufweist, die eine axiale Bewegung der beiden Außenleiterteile voneinander weg begrenzt.In a preferred embodiment, an outer conductor sleeve is provided, which surrounds the two outer conductor parts and has second stops, which limits an axial movement of the two outer conductor parts away from each other.

Um auch bei dem Innenleiter einen Längen- bzw. Toleranzausgleich zur Verfügung zu stellen, so dass sich weitere, zusätzliche Verbesserungen der elektrischen Eigenschaften des Koaxialsteckverbindes ergeben, umfasst der Innenleiter zwei separate Innenleiterteile, wobei ein erstes Innenleiterteil das erste steckseitige Ende des Innenleiters und ein zweites Innenleiterteil das zweite steckseitige Ende des Innenleiters ausbildet, wobei die beiden Innenleiterteile des Innenleiters derart angeordnet und ausgebildet sind, dass diese in axialer Richtung relativ zueinander bewegbar sind, wobei der Innenleiter zwischen den beiden Innenleiterteilen als Innenleiterfederbalg ausgebildet ist, wobei der Innenleiterfederbalg derart ausgebildet ist, dass bei einer Längenänderung des Innenleiterfederbalgs eine sich ändernde Kapazität des Innenleiterfederbalgs durch eine sich entsprechend ändernde Induktivität des Innenleiterfederbalgs derart kompensiert wird, dass bei einer Längenänderung des Innenleiterfederbalgs der Wellenwiderstand des Koaxialsteckverbinders im Wesentlichen konstant bleibt.In order to provide a length or tolerance compensation also in the inner conductor, so that there are further, additional improvements in the electrical properties of the coaxial connector, the inner conductor comprises two separate inner conductor parts, wherein a first inner conductor part, the first plug-side end of the inner conductor and a second Inner conductor part forms the second plug-side end of the inner conductor, wherein the two inner conductor parts of the inner conductor are arranged and formed such that they are movable relative to each other in the axial direction, wherein the inner conductor between the two inner conductor parts is formed as Innenleiterfederbalg, wherein the Innenleiterfederbalg such is formed, that in a change in length of the Innenleiterfederbalgs a changing capacity of the Innenleiterfederbalgs is compensated by a correspondingly changing inductance of Innenleiterfederbalgs such that at a change in length of the Innenleiterfederbalgs the characteristic impedance of the Koaxialsteckverbinders remains substantially constant.

Eine von den Außenleiterteilen unabhängige Kontaktkraft an den gegenüberliegenden steckseitigen Enden des Innenleiters erzielt man dadurch, dass das erste Innenleiterteil in axialer Richtung relativ zum ersten Außenleiterteil und das zweite Innenleiterteil in axialer Richtung relativ zum zweiten Außenleiterteil bewegbar ist, wobei am Innenleiter ein zweites elastisches Federelement vorgesehen ist, welches die beiden Innenleiterteile des Innenleiters in axialer Richtung voneinander weg mit Kraft beaufschlagt.One of the outer conductor parts independent contact force at the opposite plug-side ends of the inner conductor is achieved in that the first inner conductor part in the axial direction relative to the first outer conductor part and the second inner conductor part in the axial direction relative to the second outer conductor part is movable, wherein the inner conductor provided a second elastic spring element is, which acts on the two inner conductor parts of the inner conductor in the axial direction away from each other with force.

In einer bevorzugten Ausführungsform ist das zweite elastische Federelement eine Schraubenfeder.In a preferred embodiment, the second elastic spring element is a helical spring.

Zweckmäßigerweise ist ein Anschlag vorgesehen, welcher die Bewegung der beiden Innenleiterteile in axialer Richtung voneinander weg begrenzt.Conveniently, a stop is provided which limits the movement of the two inner conductor parts in the axial direction away from each other.

In einer beispielhaften Ausführungsform ist das erste Innenleiterteil starr mit dem ersten Außenleiterteil und das zweite Innenleiterteil starr mit dem zweiten Außenleiterteil verbunden.In an exemplary embodiment, the first inner conductor part is rigidly connected to the first outer conductor part and the second inner conductor part is rigidly connected to the second outer conductor part.

Die Erfindung wird im Folgenden anhand der Zeichnung näher erläutert. Diese zeigt in:

Fig. 1
einen Koaxialsteckverbinder in Schnittansicht, welcher nicht Gegenstand der Erfindung ist,
Fig. 2
den Koaxialsteckverbinde der Fig. 1 in gestecktem Zustand und
Fig. 3
einen erfindungsgemäßen Koaxialsteckverbinder in Schnittansicht.
The invention will be explained in more detail below with reference to the drawing. This shows in:
Fig. 1
a coaxial connector in sectional view, which is not the subject of the invention,
Fig. 2
the coaxial connector of the Fig. 1 in mated condition and
Fig. 3
a coaxial connector according to the invention in sectional view.

Der in Fig. 1 und 2 dargestellte Koaxialsteckverbinder 10 umfasst einen Innenleiter 12 und einen Außenleiter, der aus einem ersten Außenleiterteil 14, welches ein erstes steckseitiges Ende des Außenleiters ausbildet, und aus einem zweiten Außenleiterteil 16, welches ein zweites steckseitiges Ende des Außenleiters ausbildet, zusammengesetzt ist. Zwischen den beiden Außenleiterteilen 14, 16 ist der Außenleiter als Außenleiterfederbalg 18 ausgebildet. Auf diese Weise können sich die beiden Außenleiterteile 14, 16 in axialer Richtung relativ zueinander bewegen. Der Innenleiter 12 ist starr ausgebildet, wobei der Innenleiter 12 von Isolierstoffscheiben 20 derart innerhalb der beiden Außenleiterteile 14, 16 gehalten ist, dass sich die beiden Außenleiterteile 14, 16 relativ zum Innenleiter 12 in axialer Richtung bewegen können. Weiterhin ist eine Schraubenfeder 22 vorgesehen, welche derart angeordnet und ausgebildet ist, dass die Schraubenfeder 22 die beiden Außenleiterteile 14, 16 in axialer Richtung voneinander weg drückt.The in Fig. 1 and 2 shown coaxial connector 10 includes an inner conductor 12 and an outer conductor, which is composed of a first outer conductor part 14, which forms a first plug-side end of the outer conductor, and a second outer conductor part 16, which forms a second plug-side end of the outer conductor. Between the two outer conductor parts 14, 16 of the outer conductor is formed as Außenleiterfederbalg 18. In this way, the two outer conductor parts 14, 16 can move in the axial direction relative to each other. The inner conductor 12 is rigid, wherein the inner conductor 12 of Isolierstoffscheiben 20 is held within the two outer conductor parts 14, 16 such that the two outer conductor parts 14, 16 can move relative to the inner conductor 12 in the axial direction. Furthermore, a helical spring 22 is provided, which is arranged and designed such that the helical spring 22 pushes the two outer conductor parts 14, 16 away from one another in the axial direction.

Die beiden Außenleiterteile 14, 16 sind von einer Außenleiterhülse 24 umgeben, die die beiden Außenleiterteile 14, 16 in axialer Richtung führt und Anschläge 26 ausbildet, die eine axiale Bewegung der beiden Außenleiterteile 14, 16 voneinander weg begrenzt. Die Schraubenfeder 22 ist in der Außenleiterhülse 24 mit Vorspannung montiert, so dass die Schraubenfeder 22 die beiden Außenleiterteile 14, 16 in ungestecktem Zustand, wie in Fig. 1 dargestellt, gegen die Anschläge 26 drückt.The two outer conductor parts 14, 16 are surrounded by an outer conductor sleeve 24, which guides the two outer conductor parts 14, 16 in the axial direction and stops 26 forms, which limits an axial movement of the two outer conductor parts 14, 16 away from each other. The coil spring 22 is mounted in the outer conductor sleeve 24 with bias, so that the coil spring 22, the two outer conductor parts 14, 16 in the unplugged condition, as in Fig. 1 shown against the stops 26 presses.

Weiterhin sind in den Fig. 1 und 2 komplementäre Koaxialsteckverbinder 28 dargestellt, welche zum Zusammenstecken mit dem ersten bzw. zweiten steckseitigen Ende des Koaxialsteckverbinders ausgebildet sind.Furthermore, in the Fig. 1 and 2 complementary coaxial connector 28 is shown, which are designed for mating with the first and second plug-side end of the coaxial connector.

In gestecktem Zustand, wie in Fig. 2 dargestellt, drückt die Schraubenfeder 22 die beiden Außenleiterteil 14, 16 des Außenleiters gegen die Kontaktflächen der komplementären Koaxialsteckverbinder 28 und stellt dadurch eine gute mechanische und elektrische Kontaktierung zwischen dem erfindungsgemäßen Koaxialsteckverbinder 10 und den komplementären Koaxialsteckverbindern 28 her.In mated condition, as in Fig. 2 shown, the coil spring 22 presses the two outer conductor part 14, 16 of the outer conductor against the contact surfaces of the complementary coaxial connector 28 and thereby provides a good mechanical and electrical contact between the coaxial connector 10 of the invention and the complementary coaxial connectors 28 forth.

Der Außenleiterfederbalg 18 ist dabei derart ausgebildet, dass dieser einen Längen- und Toleranzausgleich durch eine entsprechende Längenänderung zur Verfügung stellt, wobei bei einer Längenänderung des Außenleiterfederbalgs 18 eine sich ändernde Kapazität des Außenleiterfederbalgs 18 durch eine sich entsprechend ändernde Induktivität des Außenleiterfederbalgs 18 derart kompensiert wird, dass bei einer Längenänderung des Außenleiterfederbalgs 18 der Wellenwiderstand des Koaxialsteckverbinders 10 im Wesentlichen konstant bleibt.The Außenleiterfederbalg 18 is designed such that it provides a length and tolerance compensation by a corresponding change in length, with a change in length of the Außenleiterfederbalgs 18 a changing capacity of the Außenleiterfederbalgs 18 is compensated by a correspondingly changing inductance of the Außenleiterfederbalgs 18 so that with a change in length of the outer conductor spring bellows 18, the characteristic impedance of the coaxial connector 10 remains substantially constant.

Die Schraubenfedern 22 am Außenleiterteil nimmt die mechanischen Steckkräfte auf. Da jedoch der Strom über den Außenleiterfederbalg 18 läuft und nicht über die Schraubenfeder ist somit in besonders vorteilhafter Weise die elektrische Leitung von der mechanischen Belastung getrennt.The coil springs 22 on the outer conductor part absorbs the mechanical insertion forces. However, since the current passes through the outer conductor spring bellows 18 and not via the helical spring, the electrical line is thus separated from the mechanical load in a particularly advantageous manner.

Fig. 3 zeigt einen erfindungsgemäßen Koaxialsteckverbinder 100, wobei funktionsgleiche Teile mit gleichen Bezugszeichen bezeichnet sind wie in Fig. 1 und 2, so dass zu deren Erläuterung auf die obige Beschreibung der Fig. 1 und 2 verwiesen wird. Im Unterschied zur Koaxialsteckverbinder gemäß Fig. 1 und 2 ist der Innenleiter ebenfalls zweiteilig aus einem ersten Innenleiterteil 30 und einem zweiten Innenleiterteil 32 zusammengesetzt, wobei der Innenleiter zwischen den beiden Innenleiterteilen 30, 32 als Innenleiterfederbalg 34 ausgebildet ist. Die beiden Innenleiterteile 30, 32 sind von den Isolierstoffscheiben 20 starr oder beweglich relativ zu den beiden Außenleiterteilen 14, 16 gehalten, d.h. das erste Innenleiterteil 30 ist über die Isolierstoffscheibe 20 starr oder beweglich mit dem ersten Außenleiterteil 14 und das zweite Innenleiterteil 32 ist über die Isolierstoffscheibe 20 starr oder beweglich mit dem zweiten Außenleiterteil 16 verbunden. Hierdurch steht auch am Innenleiter ein Längen- und Toleranzausgleich beim Stecken des Koaxialsteckverbinders 100 zur Verfügung. In dem Fall, dass Außenleiterteile 14, 16 und Innenleiterteile 30, 32 beweglich zueinander sind, ist in vorteilhafterweise zusätzlich eine zweite Spiralfeder (nicht dargestellt) am Innleiter derart angeordnet, dass diese Spiralfeder die beiden Innenleiterteile 30, 32 voneinander weg drückt. Dies erzielt einen von dem Außenleiter unabhängigen Toleranz- und Längenausgleich. Fig. 3 shows a coaxial connector 100 according to the invention, wherein functionally identical parts are designated by the same reference numerals as in Fig. 1 and 2 so that their explanation to the above description of Fig. 1 and 2 is referenced. In contrast to the coaxial connector according to Fig. 1 and 2 the inner conductor is also in two parts composed of a first inner conductor part 30 and a second inner conductor part 32, wherein the inner conductor between the two inner conductor parts 30, 32 is formed as Innenleiterfederbalg 34. The two inner conductor parts 30, 32 are held rigidly or movably relative to the two outer conductor parts 14, 16 by the insulating material disks 20, ie the first inner conductor part 30 is rigid or movable via the insulating disk 20 with the first outer conductor part 14 and the second inner conductor part 32 is over the Insulating disk 20 rigidly or movably connected to the second outer conductor part 16. As a result, a length and tolerance compensation when plugging in the coaxial connector 100 is also available on the inner conductor. In the case that outer conductor parts 14, 16 and inner conductor parts 30, 32nd are movable in relation to each other, a second coil spring (not shown) is advantageously additionally arranged on the inner conductor such that this spiral spring presses the two inner conductor parts 30, 32 away from one another. This achieves an independent of the outer conductor tolerance and length compensation.

Auch der Innenleiterfederbalg 34 ist, wie der Außenleiterfederbalg 18, derart ausgebildet, dass dieser einen Längen- und Toleranzausgleich durch eine entsprechende Längenänderung zur Verfügung stellt, wobei bei einer Längenänderung des Innenleiterfederbalgs 34 eine sich ändernde Kapazität des Innenleiterfederbalgs 34 durch eine sich entsprechend ändernde Induktivität des Innenleiterfederbalgs 34 derart kompensiert wird, dass bei einer Längenänderung des Innenleiterfederbalgs 34 der Wellenwiderstand des Koaxialsteckverbinders 100 im Wesentlichen konstant bleibt.The Innenleiterfederbalg 34 is, as the Außenleiterfederbalg 18, designed such that it provides a length and tolerance compensation by a corresponding change in length, with a change in length of Innenleiterfederbalgs 34, a changing capacity of Innenleiterfederbalgs 34 by a correspondingly changing inductance of Innenleiterfederbalgs 34 is compensated such that with a change in length of the Innenleiterfederbalgs 34, the characteristic impedance of the coaxial connector 100 remains substantially constant.

Claims (9)

  1. Co-axial insertion-type connector (10, 100) having an outer conductor which has a first insertion end and a second insertion end opposite axially from the first insertion end of the outer conductor, and having a centre conductor (12) which has a first insertion end and a second insertion end opposite axially from the first insertion end of the centre conductor, the outer conductor comprising two separate outer-conductor parts (14, 16), with a first outer-conductor part (14) forming the first insertion end of the outer conductor and a second outer-conductor part (16) forming the second insertion end of the outer conductor, the two parts (14, 16) of the outer conductor being so arranged and formed that they are movable relative to one another in the axial direction, there being provided on the outer conductor a first resilient spring member (22) which urges the two parts (14, 16) of the outer conductor away from one another by force in the axial direction, the centre conductor comprising two separate centre-conductor parts (30, 32), with a first centre-conductor part (30) forming the first insertion end of the centre conductor and a second centre-conductor part (32) forming the second insertion end of the centre conductor, the two parts (30, 32) of the centre conductor being so arranged and formed that they are movable relative to one another in the axial direction, characterised in that, between the two outer-conductor parts (14, 16), the outer conductor takes the form of a resilient outer-conductor bellows (18), the resilient outer-conductor bellows (18) being so designed that, if there is a variation in the length of the resilient outer-conductor bellows (18), a varying capacitance of the resilient outer-conductor bellows (18) is compensated for by a correspondingly varying inductance of the resilient outer-conductor bellows (18), in such a way that, if there is a variation in the length of the resilient outer-conductor bellows (18), the characteristic impedance of the co-axial insertion-type connector (10, 100) remains substantially constant, the centre conductor taking the form, between the two centre-conductor parts (30, 32), of a resilient centre-conductor bellows (34), the resilient centre-conductor bellows (34) being so designed that, if there is a variation in the length of the resilient centre-conductor bellows (34), a varying capacitance of the resilient centre-conductor bellows (34) is compensated for by a correspondingly varying inductance of the resilient centre-conductor bellows (34), in such a way that, if there is a variation in the length of the resilient centre-conductor bellows (34), the characteristic impedance of the co-axial insertion-type connector (100) remains substantially constant.
  2. Co-axial insertion-type connector (10) according to claim 1, characterised in that the two parts (14, 16) of the outer conductor are so arranged and formed that they are each movable relative to the centre conductor (12) in the axial direction.
  3. Co-axial insertion-type connector (10, 100) at least one of the preceding claims, characterised in that the first resilient spring member (22) is a coil spring.
  4. Co-axial insertion-type connector according to at least one of the preceding claims, characterised in that a first stop is provided which limits the movement of the two outer-conductor parts (14, 16) away from one another in the axial direction.
  5. Co-axial insertion-type connector (10, 100) according to at least one of the preceding claims, characterised in that there is provided an outer-conductor sleeve (24) which encloses the two outer-conductor parts (14, 16) and which has two stops (26) which limit an axial movement of the two outer-conductor parts (14, 16) away from one another.
  6. Co-axial insertion-type connector according to at least one of the preceding claims, characterised in that the first centre-conductor part (30) is movable relative to the first outer-conductor part (14) in the axial direction and the second centre-conductor part (32) is movable relative to the second outer-conductor part (16) in the axial direction, there being provided on the centre conductor a second resilient spring member which urges the two parts (30, 32) of the centre conductor away from one another by force in the axial direction.
  7. Co-axial insertion-type connector according to claim 6, characterised in that the second resilient spring member is a coil spring.
  8. Co-axial insertion-type connector according to at least one of the preceding claims, characterised in that a stop is provided which limits the movement of the two centre-conductor parts (30, 32) away from one another in the axial direction.
  9. Co-axial insertion-type connector according to at least one of the preceding claims, characterised in that the first centre-conductor part (30) is rigidly connected to the first outer-conductor part (14) and the second centre-conductor part (32) is rigidly connected to the second outer-conductor part (16).
EP08758946.1A 2007-06-25 2008-06-02 Coaxial connector Active EP2158646B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007008848U DE202007008848U1 (en) 2007-06-25 2007-06-25 coaxial
PCT/EP2008/004377 WO2009000386A2 (en) 2007-06-25 2008-06-02 Coaxial connector

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EP2158646A2 EP2158646A2 (en) 2010-03-03
EP2158646B1 true EP2158646B1 (en) 2017-01-04

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EP08758946.1A Active EP2158646B1 (en) 2007-06-25 2008-06-02 Coaxial connector

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US (1) US8197287B2 (en)
EP (1) EP2158646B1 (en)
JP (1) JP5204839B2 (en)
CN (1) CN101689735B (en)
CA (1) CA2689127C (en)
DE (1) DE202007008848U1 (en)
HK (1) HK1141146A1 (en)
TW (1) TWM355490U (en)
WO (1) WO2009000386A2 (en)

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WO2009000386A2 (en) 2008-12-31
JP5204839B2 (en) 2013-06-05
CA2689127C (en) 2017-05-16
US20100297867A1 (en) 2010-11-25
HK1141146A1 (en) 2010-10-29
US8197287B2 (en) 2012-06-12
WO2009000386A3 (en) 2009-02-26
JP2010531527A (en) 2010-09-24
CA2689127A1 (en) 2008-12-31
TWM355490U (en) 2009-04-21
CN101689735B (en) 2012-07-04
EP2158646A2 (en) 2010-03-03
DE202007008848U1 (en) 2007-08-16
CN101689735A (en) 2010-03-31

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