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EP2158640B1 - Coaxial connector - Google Patents

Coaxial connector Download PDF

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Publication number
EP2158640B1
EP2158640B1 EP08758945A EP08758945A EP2158640B1 EP 2158640 B1 EP2158640 B1 EP 2158640B1 EP 08758945 A EP08758945 A EP 08758945A EP 08758945 A EP08758945 A EP 08758945A EP 2158640 B1 EP2158640 B1 EP 2158640B1
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EP
European Patent Office
Prior art keywords
conductor
centre
parts
bellows
resilient
Prior art date
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Application number
EP08758945A
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German (de)
French (fr)
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EP2158640A2 (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
Original Assignee
Rosenberger Hochfrequenztechnik GmbH and Co KG
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Publication of EP2158640A2 publication Critical patent/EP2158640A2/en
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Publication of EP2158640B1 publication Critical patent/EP2158640B1/en
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Classifications

    • 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
    • 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
    • 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
    • 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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables

Definitions

  • the present invention relates to a coaxial connector according to the preamble of claim 1.
  • 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 a displaceable damping sleeve in the form of a bellows construction is arranged on an outer conductor.
  • 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 in the mated state and therefore makes the bellows construction electrically inoperative when mated.
  • An inner conductor has two inner conductor parts and a bellows.
  • a contact force of the inner conductor is given solely by a spring constant of the Federbalgs, wherein only one of the inner conductor parts is movable relative to its corresponding outer conductor part.
  • the invention is based on the object, a coaxial connector of o.g. Type with regard to frequency behavior and reliability.
  • the second inner conductor part is movable in the axial direction relative to the second outer conductor part, wherein on the inner conductor, a second elastic spring element is provided, which acts on the two inner conductor parts of the inner conductor in the axial direction away from each other with force, wherein at least a third stop is provided, which limits the movement of the two inner conductor parts in the axial direction away from each other, wherein in each case a third stop is formed on each of the outer conductor parts.
  • the outer conductor between the two outer conductor parts is formed as notedleiterfederbalg, wherein the facedleiterfederbalg is formed such that at a change in length of the réelleleiterfederbalgs a changing capacitance of the outer conductor spring bellows is compensated by a correspondingly oppositely changing inductance of the réelleleiterfederbalgs such that when a change in length of the outer conductor spring bellows the characteristic impedance of the coaxial connector remains substantially constant.
  • the second elastic spring element is a helical spring.
  • the third stops are arranged and formed on the outer conductor parts in such a way that respective insulating disks holding the inner conductor parts within the outer conductor parts abut against these third stops.
  • the in Fig. 1 and 2 shown coaxial connector 10 includes an inner conductor and an outer conductor.
  • the outer conductor 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.
  • the inner conductor 12 is composed in two parts 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 each held rigidly by an insulating disk 20 relative to the two outer conductor parts 14, 16, ie the first inner conductor part 30 is rigidly connected to the first outer conductor part 14 via the insulating material disk 20 and the second inner conductor part 32 is rigid via the insulating material disk 20 connected to the second outer conductor part 16.
  • a length and tolerance compensation when plugging in the coaxial connector 10 is available on the inner conductor.
  • the first inner conductor part 30 is rigidly connected to the first outer conductor part 14 via the insulating material disk 20 and the second inner conductor part 32 is rigidly connected to the second outer conductor part 16 via the insulating material disk 20.
  • the two outer conductor parts 14, 16 engage with one another and form a first stop 36 which limits an axial movement of the outer conductor parts 14, 16 away from one another. Since the inner conductor parts 30, 32 are rigidly connected to the respective outer conductor parts 14, 16, this first stop 36 simultaneously effects a limitation of the axial movement of the two inner conductor parts 30, 32 away from one another.
  • a helical spring 22 is provided, which is arranged and designed in such a way that the helical spring 22 presses the two outer conductor parts 14, 16 away from the first stop 36 in the axial direction.
  • the inner conductor bellows 34 is designed such that it provides a length and tolerance compensation by a corresponding change in length, wherein with a change in length of the mecanicleiterfederbalgs 34, a changing capacity of the mecanicleiterfederbalgs 34 is compensated by a correspondingly oppositely changing inductance of the réelleleiterfederbalgs 34 such that with a change in length of the mecanicleiterfederbalgs 34, the characteristic impedance of the Koaxialsteckverbinders 10 remains substantially constant.
  • the coaxial connectors 10 are arranged side by side in a housing 38 and connected on one side to a complementary coaxial connector 28.
  • the respective free plug-side ends of the coaxial connector 10 are used for plugging into correspondingly juxtaposed, complementary coaxial connector (not dargesetellt), wherein by the réelleleiterfederbalg 34 tolerance deviations in the possibly not exactly juxtaposed complementary Koaxialsteckverbinder 28 are compensated.
  • the two inner conductor parts 30, 32 each held by a Isolierstoffin 20 movable relative to the two outer conductor parts 14, 16, ie, the first inner conductor part 30 is movable over the Isolierstoffusion 20 with the first outer conductor part 14 and the second inner conductor part 32 is movable over the insulating material 20 connected to the second outer conductor part 16.
  • a length and tolerance compensation when plugging in the coaxial connector 10 is available on the inner conductor.
  • a second spiral 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.
  • Fig. 3 shows a preferred embodiment of a coaxial connector 300 according to the invention, wherein functionally identical parts with the same reference numerals as in Fig. 1 and 2 so that their elaboration on the above description of Fig. 1 and 2 is referenced.
  • the outer conductor between the two outer conductor parts 14, 16 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. This achieves an independent of the outer conductor tolerance and length compensation.
  • an outer conductor sleeve 24 is provided, which surrounds the two outer conductor parts 14, 16 and which guides the two outer conductor parts 14, 16 in the axial direction, wherein stops 26 are formed, 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. 3 shown against the stops 26 presses.

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

Description

Die vorliegende Erfindung betrifft einen Koaxialsteckverbinder gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a coaxial connector according to the preamble of claim 1.

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 elektrisch 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 a displaceable damping sleeve in the form of a bellows construction is arranged on an outer conductor. 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, however, are not changed. On the contrary, an outer conductor sleeve is provided, which produces a mechanical and electrical contact in the mated state and therefore makes the bellows construction electrically inoperative when mated.

Aus der US 4 815 986 ist ein sich selbst ausrichtender Verbinder zur Montage auf einem vorhandenen Oberflächen-HF-Kontakt bekannt. Ein Innenleiter weist zwei Innenleiterteile und einen Federbalg auf. Eine Kontaktkraft des Innenleiters ist allein durch eine Federkonstante des Federbalgs gegeben, wobei nur eines der Innenleiterteile gegenüber seinem korrespondierenden Außenleiterteil beweglich ist.From the US 4,815,986 For example, a self-aligning connector for mounting on existing surface RF contact is known. An inner conductor has two inner conductor parts and a bellows. A contact force of the inner conductor is given solely by a spring constant of the Federbalgs, wherein only one of the inner conductor parts is movable relative to its corresponding outer conductor part.

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 es erfindungsgemäß vorgesehen, dass 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, wobei wenigstens ein dritter Anschlag vorgesehen ist, welcher die Bewegung der beiden Innenleiterteile in axialer Richtung voneinander weg begrenzt, wobei jeweils ein dritter Anschlag an jedem der Außenleiterteile ausgebildet ist.In a coaxial connector of o.g. It is inventively provided that the second inner conductor part is movable in the axial direction relative to the second outer conductor part, wherein on the inner conductor, a second elastic spring element is provided, which acts on the two inner conductor parts of the inner conductor in the axial direction away from each other with force, wherein at least a third stop is provided, which limits the movement of the two inner conductor parts in the axial direction away from each other, wherein in each case a third stop is formed on each of the outer conductor parts.

Dies hat den Vorteil, dass ein Koaxialsteckverbinder für HF-Anwendungen oberhalb 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 HF applications 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 spectrum are improved.

Um auch bei dem Außenleiter eine Längen- bzw. Toleranzausgleich zur Verfügung zu stellen, so dass sich weitere, zusätzliche Verbesserungen der elektrischen Eigenschaften des Koaxialsteckverbinder ergeben, ist der Außenleiter zwischen den beiden Außenleiterteilen als Außenleiterfederbalg ausgebildet, wobei der Außenleiterfederbalg derart ausgebildet ist, dass bei einer Längenänderung des Außenleiterfederbalgs eine sich ändernde Kapazität des Außenleiterfederbalgs durch eine sich entsprechend gegenläufig ändernde Induktivität des Außenleiterfederbalgs derart kompensiert wird, dass bei einer Längenänderung des Außenleiterfederbalgs der Wellenwiderstand des Koaxialsteckverbinders im Wesentlichen konstant bleibt.In order to provide a length or tolerance compensation also in the outer conductor, so that there are further, additional improvements in the electrical properties of the coaxial connector, the outer conductor between the two outer conductor parts is formed as Außenleiterfederbalg, wherein the Außenleiterfederbalg is formed such that at a change in length of the Außenleiterfederbalgs a changing capacitance of the outer conductor spring bellows is compensated by a correspondingly oppositely changing inductance of the Außenleiterfederbalgs such that when a change in length of the outer conductor spring bellows the characteristic impedance of the coaxial connector remains substantially constant.

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

In einer bevorzugten Ausführungsform sind die dritten Anschläge an den Außenleiterteilen derart angeordnet und ausgebildet, dass jeweilige, die Innenleiterteile innerhalb der Außenleiterteile haltende Isolierstoffscheiben an diesen dritten Anschlägen anschlagen.In a preferred embodiment, the third stops are arranged and formed on the outer conductor parts in such a way that respective insulating disks holding the inner conductor parts within the outer conductor parts abut against these third stops.

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

Fig. 1
eine Ausführungsform eines Koaxialsteckverbinders aus dem Stand der Technik in Schnittansicht,
Fig. 2
eine Anordnung von mehreren Koaxialsteckverbindern gemäß der Fig. 1 in teilweise geschnittener Ansicht und
Fig. 3
eine bevorzugte Ausführungsform eines erfindungsgemäßen Koaxialsteckverbinders in Schnittansicht.
The invention will be explained in more detail below with reference to the drawing. This shows in:
Fig. 1
an embodiment of a coaxial connector of the prior art in sectional view,
Fig. 2
an arrangement of several coaxial connectors according to the Fig. 1 in partially sectioned view and
Fig. 3
a preferred embodiment of a coaxial connector according to the invention in a sectional view.

Bei dem in den Fig. 1 und 2 dargestellten Koaxialsteckverbinder handelt es sich um einen Stand der Technik, der nicht zur Erfindung gehört, dessen Erläuterung das Verständnis der Erfindung jedoch erleichtert. Der in Fig. 1 und 2 dargestellte Koaxialsteckverbinder 10 umfasst einen Innenleiter und einen Außenleiter. Der Außenleiter ist 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. Der Innenleiter 12 ist 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 jeweils von einer Isolierstoffscheiben 20 starr relativ zu den beiden Außenleiterteilen 14, 16 gehalten, d.h. das erste Innenleiterteil 30 ist über die Isolierstoffscheibe 20 starr mit dem ersten Außenleiterteil 14 und das zweite Innenleiterteil 32 ist über die Isolierstoffscheibe 20 starr mit dem zweiten Außenleiterteil 16 verbunden. Hierdurch steht am Innenleiter ein Längen- und Toleranzausgleich beim Stecken des Koaxialsteckverbinders 10 zur Verfügung.In the in the Fig. 1 and 2 shown coaxial connector is a prior art that does not belong to the invention, the explanation of which facilitates the understanding of the invention. The in Fig. 1 and 2 shown coaxial connector 10 includes an inner conductor and an outer conductor. The outer conductor 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. The inner conductor 12 is composed in two parts 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 each held rigidly by an insulating disk 20 relative to the two outer conductor parts 14, 16, ie the first inner conductor part 30 is rigidly connected to the first outer conductor part 14 via the insulating material disk 20 and the second inner conductor part 32 is rigid via the insulating material disk 20 connected to the second outer conductor part 16. As a result, a length and tolerance compensation when plugging in the coaxial connector 10 is available on the inner conductor.

In der dargestellten Ausführungsform gemäß Fig. 1 und 2 ist das erste Innenleiterteil 30 über die Isolierstoffscheibe 20 starr mit dem ersten Außenleiterteil 14 und das zweite Innenleiterteil 32 über die Isolierstoffscheibe 20 starr mit dem zweiten Außenleiterteil 16 verbunden. Die beiden Außenleiterteile 14, 16 greifen ineinander und bilden einen ersten Anschlag 36 aus, der eine axiale Bewegung der Außenleiterteile 14, 16 voneinander weg begrenzt. Da die Innenleiterteile 30, 32 starr mit den jeweiligen Außenleiterteilen 14, 16 verbunden sind, bewirkt dieser erste Anschlag 36 gleichzeitig eine Begrenzung der axialen Bewegung der beiden Innenleiterteile 30, 32 voneinander weg. 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 gegen den ersten Anschlag 36 drückt.In the illustrated embodiment according to Fig. 1 and 2 the first inner conductor part 30 is rigidly connected to the first outer conductor part 14 via the insulating material disk 20 and the second inner conductor part 32 is rigidly connected to the second outer conductor part 16 via the insulating material disk 20. The two outer conductor parts 14, 16 engage with one another and form a first stop 36 which limits an axial movement of the outer conductor parts 14, 16 away from one another. Since the inner conductor parts 30, 32 are rigidly connected to the respective outer conductor parts 14, 16, this first stop 36 simultaneously effects a limitation of the axial movement of the two inner conductor parts 30, 32 away from one another. Furthermore, a helical spring 22 is provided, which is arranged and designed in such a way that the helical spring 22 presses the two outer conductor parts 14, 16 away from the first stop 36 in the axial direction.

Der Innenleiterfederbalg 34 ist 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 gegenläufig ändernde Induktivität des Innenleiterfederbalgs 34 derart kompensiert wird, dass bei einer Längenänderung des Innenleiterfederbalgs 34 der Wellenwiderstand des Koaxialsteckverbinders 10 im Wesentlichen konstant bleibt.The inner conductor bellows 34 is designed such that it provides a length and tolerance compensation by a corresponding change in length, wherein with a change in length of the Innenleiterfederbalgs 34, a changing capacity of the Innenleiterfederbalgs 34 is compensated by a correspondingly oppositely changing inductance of the Innenleiterfederbalgs 34 such that with a change in length of the Innenleiterfederbalgs 34, the characteristic impedance of the Koaxialsteckverbinders 10 remains substantially constant.

Bei der Anordnung von mehreren Koaxialsteckverbindern 10, wie in Fig. 2 dargestellt, sind die Koaxialsteckverbinder 10 nebeneinander in einem Gehäuse 38 angeordnet und an einer Seite mit einem komplementären Koaxialsteckverbinder 28 verbunden. Die jeweils freien steckseitigen Enden der Koaxialsteckverbinder 10 dienen zum Einstecken in entsprechend nebeneinander angeordnete, komplementäre Koaxialsteckverbinder (nicht dargesetellt), wobei durch den Innenleiterfederbalg 34 Toleranzabweichungen bei den ggf. nicht exakt nebeneinander angeordneten komplementären Koaxialsteckverbinder 28 ausgeglichen werden.In the arrangement of several coaxial connectors 10, as in Fig. 2 2, the coaxial connectors 10 are arranged side by side in a housing 38 and connected on one side to a complementary coaxial connector 28. The respective free plug-side ends of the coaxial connector 10 are used for plugging into correspondingly juxtaposed, complementary coaxial connector (not dargesetellt), wherein by the Innenleiterfederbalg 34 tolerance deviations in the possibly not exactly juxtaposed complementary Koaxialsteckverbinder 28 are compensated.

Bei einer erfindungsgemäßen Abwandlung des Koaxialsteckverbinder gemäß Fig. 1 und 2 sind die beiden Innenleiterteile 30, 32 jeweils von einer Isolierstoffscheiben 20 beweglich relativ zu den beiden Außenleiterteilen 14, 16 gehalten, d.h. das erste Innenleiterteil 30 ist über die Isolierstoffscheibe 20 beweglich mit dem ersten Außenleiterteil 14 und das zweite Innenleiterteil 32 ist über die Isolierstoffscheibe 20 beweglich mit dem zweiten Außenleiterteil 16 verbunden. Hierdurch steht am Innenleiter ein Längen- und Toleranzausgleich beim Stecken des Koaxialsteckverbinders 10 zur Verfügung. In diesem Fall, bei dem 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.In an inventive modification of the coaxial connector according to Fig. 1 and 2 the two inner conductor parts 30, 32 each held by a Isolierstoffscheiben 20 movable relative to the two outer conductor parts 14, 16, ie, the first inner conductor part 30 is movable over the Isolierstoffscheibe 20 with the first outer conductor part 14 and the second inner conductor part 32 is movable over the insulating material 20 connected to the second outer conductor part 16. As a result, a length and tolerance compensation when plugging in the coaxial connector 10 is available on the inner conductor. In this case, in which outer conductor parts 14, 16 and inner conductor parts 30, 32 are movable relative to one another, a second spiral 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.

Fig. 3 zeigt eine bevorzugte Ausführungsform eines erfindungsgemäßen Koaxialsteckverbinders 300, wobei funktionsgleiche Teile mit gleichen Bezugszeichen wie in Fig. 1 und 2 bezeichnet sind, so dass zu deren Erfäuterung auf die obige Beschreibung der Fig. 1 und 2 verwiesen wird. Im Unterschied zur ersten Ausführungsform gemäß Fig. 1 und 2 ist der Außenleiter zwischen den beiden Außenleiterteilen 14, 16 als Außenleiterfederbalg 18 ausgebildet. Auf diese Weise können sich die beiden Außenleiterteile 14, 16 in axialer Richtung relativ zueinander bewegen. Dies erzielt einen von dem Außenleiter unabhängigen Toleranz- und Längenausgleich. Fig. 3 shows a preferred embodiment of a coaxial connector 300 according to the invention, wherein functionally identical parts with the same reference numerals as in Fig. 1 and 2 so that their elaboration on the above description of Fig. 1 and 2 is referenced. Unlike the first embodiment according to Fig. 1 and 2 the outer conductor between the two outer conductor parts 14, 16 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. This achieves an independent of the outer conductor tolerance and length compensation.

Anstatt des ersten Anschlages 36 gemäß der ersten Ausführungsform 10 ist bei dieser zweiten Ausführungsform 300 gemäß Fig. 3 eine Außenleiterhülse 24 vorgesehen, welche die beiden Außenleiterteile 14, 16 umgibt und die die beiden Außenleiterteile 14, 16 in axialer Richtung führt, wobei Anschläge 26 ausbildet sind, 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. 3 dargestellt, gegen die Anschläge 26 drückt.Instead of the first stopper 36 according to the first embodiment 10, in this second embodiment 300 according to FIG Fig. 3 an outer conductor sleeve 24 is provided, which surrounds the two outer conductor parts 14, 16 and which guides the two outer conductor parts 14, 16 in the axial direction, wherein stops 26 are formed, 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. 3 shown against the stops 26 presses.

Claims (4)

  1. Co-axial connector (10, 300) having an outer conductor which has a first end for insertion, and a second end for insertion in an axially opposite position from the first end for insertion of the outer conductor, and having a centre conductor which has a first end for insertion, and a second end for insertion in an axially opposite position from the first end for insertion of the centre conductor, the centre conductor comprising two separate parts (30, 32), with a first centre-conductor part (30) forming the first end for insertion of the centre conductor and a second centre-conductor part (32) forming the second end for insertion of the centre conductor, the two parts (30, 32) of the centre conductor being so arranged and designed that they can be moved relative to one another in the axial direction, 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 change in the length of the resilient centre-conductor bellows (34), a varying capacitance of the resilient centre-conductor bellows (34) is compensated for by an inductance of the resilient centre-conductor bellows (34) which varies correspondingly in the opposite direction, in such a way that, if there is a change in the length of the resilient centre-conductor bellows (34), the characteristic impedance of the co-axial connector remains substantially constant, the outer conductor comprising two separate parts (14, 16), with a first outer-conductor part (14) forming the first end for insertion of the outer conductor and a second outer-conductor part (16) forming the second end for insertion of the outer conductor, the two parts (14, 16) of the outer conductor being so arranged and designed that they can be moved relative to one another in the axial direction, there being provided on the outer conductor a first elastic resilient member (22) which forces the two parts of the outer conductor away from one another in the axial direction, the first centre-conductor part (30) being movable in the axial direction relative to the first outer-conductor part (14), characterised in that the second centre-conductor part (32) is movable in the axial direction relative to the second outer-conductor part (16), there being provided on the centre conductor a second elastic resilient member which forces the two centre-conductor parts (30, 32) away from one another in the axial direction, at least one third stop being provided which limits the movement of the two centre-conductor parts (30, 32) away from one another in the axial direction, a third stop being formed on each of the outer-conductor parts (14, 16).
  2. Co-axial connector (300) according to claim 1, characterised in that outer conductor takes the form, between the two outer-conductor parts (14, 16) of a resilient outer-conductor bellows (18), the resilient outer-conductor bellows (18) being so designed that, if there is a change in the length of the resilient outer-conductor bellows (18), a varying capacitance of the resilient outer-conductor bellows (18) is compensated for by an inductance of the resilient outer-conductor bellows (18) which varies correspondingly in the opposite direction, in such a way that, if there is a change in the length of the resilient outer-conductor bellows (18), the characteristic impedance of the co-axial connector remains substantially constant.
  3. Co-axial connector according to claim 1 or 2, characterised in that the second elastic resilient member is a coil spring.
  4. Co-axial connector according to at least one of the foregoing claims, characterised in that the third stops on the outer-conductor parts (14, 16) are so arranged and designed that respective insulating discs (20) which hold the centre-conductor parts (30, 32) within the outer-conductor parts (14, 16) abut against these third stops.
EP08758945A 2007-06-25 2008-06-02 Coaxial connector Active EP2158640B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007008847U DE202007008847U1 (en) 2007-06-25 2007-06-25 Coaxial plug connector, has inner conductor formed as inner conductor spring bellow such that changed capacitance of bellow is compensated by corresponding oppositely changed inductance of bellow during elongation of bellow
PCT/EP2008/004376 WO2009000385A2 (en) 2007-06-25 2008-06-02 Coaxial connector

Publications (2)

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EP2158640A2 EP2158640A2 (en) 2010-03-03
EP2158640B1 true EP2158640B1 (en) 2012-10-24

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EP08758945A Active EP2158640B1 (en) 2007-06-25 2008-06-02 Coaxial connector

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US (1) US8231398B2 (en)
EP (1) EP2158640B1 (en)
JP (1) JP5205453B2 (en)
CN (1) CN101715618B (en)
CA (1) CA2689119C (en)
DE (1) DE202007008847U1 (en)
HK (1) HK1143458A1 (en)
TW (1) TWM344666U (en)
WO (1) WO2009000385A2 (en)

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Also Published As

Publication number Publication date
JP5205453B2 (en) 2013-06-05
US8231398B2 (en) 2012-07-31
JP2010531526A (en) 2010-09-24
WO2009000385A3 (en) 2009-02-26
CA2689119C (en) 2014-10-07
EP2158640A2 (en) 2010-03-03
DE202007008847U1 (en) 2007-08-16
CN101715618B (en) 2012-09-05
WO2009000385A2 (en) 2008-12-31
CN101715618A (en) 2010-05-26
TWM344666U (en) 2008-11-11
CA2689119A1 (en) 2008-12-31
HK1143458A1 (en) 2010-12-31
US20100178798A1 (en) 2010-07-15

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