EP1351345B1 - Coaxial connector with overvoltage protection - Google Patents

Coaxial connector with overvoltage protection Download PDF

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Publication number
EP1351345B1
EP1351345B1 EP03005171A EP03005171A EP1351345B1 EP 1351345 B1 EP1351345 B1 EP 1351345B1 EP 03005171 A EP03005171 A EP 03005171A EP 03005171 A EP03005171 A EP 03005171A EP 1351345 B1 EP1351345 B1 EP 1351345B1
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EP
European Patent Office
Prior art keywords
coaxial connector
inner conductor
coil
capacitor plate
capacitor
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP03005171A
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German (de)
French (fr)
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EP1351345A1 (en
Inventor
Christian Entsfellner
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Rosenberger Hochfrequenztechnik GmbH and Co KG
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Rosenberger Hochfrequenztechnik GmbH and Co KG
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Publication of EP1351345A1 publication Critical patent/EP1351345A1/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
    • H01R24/42—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
    • H01R24/48—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 protection devices, e.g. overvoltage protection
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
    • 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

Definitions

  • the invention relates to a coaxial connector having an inner conductor, an outer conductor and a surge protector with an inductance to ground and a capacitor, wherein the capacitor is connected in series with the inner conductor and having a first capacitor plate which is connected to a first inner conductor of an input of the coaxial connector , and a second capacitor plate, which is connected to a second inner conductor of an output of the coaxial connector, according to the preamble of claim 1.
  • US Pat. No. 6,061,223 discloses a coaxial connector with lightning protection in which a meandering coil connects the inner conductor to the outer conductor. This coil extends radially from the inner conductor out to the outer conductor and short low-frequency currents, such as due to voltages in a lightning strike, to ground short. On the other hand, high-frequency currents are not dissipated through the coil, but pass through the inner conductor in the axial direction.
  • the inner conductor is equipped with a capacitor. This can pass high-frequency currents and blocks low-frequency currents due to residual voltages when dissipating a lightning strike through the coil.
  • a coaxial connector with integrated electrical circuit is known.
  • a PI filter is applied on a circuit board.
  • an axial coil is arranged in a recess of the printed circuit board whose ends are connected to a capacitor connected to ground and applied to the printed circuit board.
  • the invention has for its object to provide a coaxial connector of o.g. To improve the type of manufacture and assembly.
  • the inductance is formed as an axial coil and coaxial with the inner conductor, wherein a first end of the axial coil is connected to the first capacitor plate and a second, the condenser facing away from the end of the axial coil at an axially spaced in the direction of entrance of the coaxial connector connected to the outer conductor.
  • the axial coil on a dielectric base body are applied to the coil windings of a wire of conductive material.
  • the axial coil and the first capacitor plate are integrally formed from a tube closed on one side of conductive material, wherein on the closed side, the first capacitor plate is formed and further wherein the tube between the closed side and an open side in a helical order Having a pipe wall extending around slot which divides the pipe wall into corresponding coil turns to an axial coil.
  • a simpler installation and a cost-effective production is achieved in that the first inner conductor is formed integrally with the first capacitor plate.
  • the first end of the axial coil in the region of an outer peripheral edge of the first capacitor plate is electrically connected thereto.
  • the first preferred embodiment of a coaxial connector according to the invention with overvoltage protection comprises an input 10, an output 12, a 10 connected to the input first inner conductor 14, a second output connected to the inner conductor 12 and an outer conductor 18 e.
  • a capacitor 20 is provided with a first capacitor connected to the first inner conductor 14 and a second capacitor plate 22 connected to the second inner conductor 16 second capacitor plate 24.
  • the overvoltage protection further comprises an inductance which, in the form of a helical coil 26, coaxially surrounds the first inner conductor 14, starting from the first capacitor plate 22 in the direction of the input 10.
  • a first end 28 of the helical coil 26 is electrically connected to the first capacitor plate 22 adjacent to its outer periphery.
  • a second, facing away from the capacitor 20 end 30 of the helix coil 26 is electrically connected to the outer conductor 18.
  • the helical coil 26 is slid onto a tubular dielectric 32 which is held by the first inner conductor 14 and adjusts to a desired impedance.
  • the helical coil is formed so that it does not change its diameter between the first and second ends, but extends substantially in the axial direction.
  • the helix coil forms a choke, so that such currents do not drain via the helix coil to ground, but from the first inner conductor 14 via the capacitor 20 to the second inner conductor 16 and thus transmitted to the output 12.
  • the second preferred embodiment of FIG. 2 works, but here the overvoltage protection helical coil 26 and capacitor 20 is constructed in a mechanically different manner.
  • the first capacitor plate 22 and the helix coil 26 are made in one piece from a tube 34 closed at one end.
  • the first capacitor plate 22 is formed, for example, by twisting off a part of the circumference of the tube 34 at its closed end.
  • a slot also extends helically between the closed end and the open end of the tube 34 and thereby divides a predetermined portion of a tube wall of the tube 34 into adjacent turns, so that the helix coil 26 is formed on the cylindrical tube jacket is.
  • the first inner conductor 14 is screwed, for example, in the first capacitor plate 22, pressed or integrally formed therewith.
  • the inductance in the form of the helix coil is particularly simple, fast, inexpensive and mass-produced. For this purpose, only a corresponding milling / turning of a tube blank is to perform.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

The coaxial connector has an inner conductor (14,16) and an outer conductor (18), the capacitor (20) of the overvoltage protection coupled in series with the inner conductor and having opposing capacitor plates (22,24) coupled to respective inner conductors for the input (10) and output (12) of the connector. The overvoltage protection also employs an inductance provided by an axial coil (26), positioned coaxial to the inner conductor, one coil end coupled to one capacitor plate, the other coil end coupled to the outer conductor.

Description

Die Erfindung betrifft einen Koaxialverbinder mit einem Innenleiter, einem Außenleiter und einem Überspannungsschutz mit einer Induktivität nach Masse und einem Kondensator, wobei der Kondensator in Serie mit dem Innenleiter geschaltet ist und eine erste Kondensatorplatte aufweist, welche mit einem ersten Innenleiter eines Eingangs des Koaxialverbinders verbunden ist, und eine zweite Kondensatorplatte aufweist, welche mit einem zweiten Innenleiter eines Ausgangs des Koaxialverbinders verbunden ist, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a coaxial connector having an inner conductor, an outer conductor and a surge protector with an inductance to ground and a capacitor, wherein the capacitor is connected in series with the inner conductor and having a first capacitor plate which is connected to a first inner conductor of an input of the coaxial connector , and a second capacitor plate, which is connected to a second inner conductor of an output of the coaxial connector, according to the preamble of claim 1.

Aus der US 6 061 223 ist ein Koaxialverbinder mit Blitzschutz bekannt, bei dem eine mäanderförmige Spule den Innenleiter mit dem Außenleiter verbindet. Diese Spule erstreckt sich radial ausgehend vom Innenleiter nach außen bis zum Außenleiter und schließt niederfrequente Ströme, wie beispielsweise aufgrund von Spannungen bei einem Blitzeinschlag, gegen Masse kurz. Andererseits werden hochfrequente Ströme nicht über die Spule abgeleitet, sondern passieren den Innenleiter in axialer Richtung. Zusätzlich ist der Innenleiter mit einem Kondensator ausgestattet. Dieser läßt hochfrequente Ströme passieren und blockiert niederfrequente Ströme aufgrund von Restspannungen bei Ableitung eines Blitzeinschlages über die Spule. Bei dieser Anordnung werden also unerwünschte Spannungsschläge gegen Masse abgeleitet, ohne die Übertragungseigenschaften des Koaxialverbinders für Hochfrequenz nennenswert zu beeinträchtigen. Die Energie beispielsweise eines Blitzeinschlages wird dabei radial über die mäanderförmige Spule nach Masse abgeleitet. Diese bekannte Anordnung hat jedoch den Nachteil, daß die Herstellung der mäanderförmigen Spule schwierig und kostenintensiv ist. Ferner kommt es zu einer entsprechenden Krafteinwirkung auf die mäanderförmige Spule, wenn diese bei der Ableitung von Energie stromdurchflossen ist, wobei die Krafteinwirkung die Spule verformt und um so größer ist, je größer der Stromfluß ist. Aufgrund der begrenzten mechanischen Festigkeit der mäanderförmigen Spule ist die Stromübertragungskapazität entsprechend begrenzt, da ein mechanischer Bruch der Spule zu einer Fehlfunktion des Überspannungsschutzes führt.US Pat. No. 6,061,223 discloses a coaxial connector with lightning protection in which a meandering coil connects the inner conductor to the outer conductor. This coil extends radially from the inner conductor out to the outer conductor and short low-frequency currents, such as due to voltages in a lightning strike, to ground short. On the other hand, high-frequency currents are not dissipated through the coil, but pass through the inner conductor in the axial direction. In addition, the inner conductor is equipped with a capacitor. This can pass high-frequency currents and blocks low-frequency currents due to residual voltages when dissipating a lightning strike through the coil. In this arrangement, so unwanted voltage shocks are dissipated to ground, without the transmission characteristics of the coaxial connector for high frequency significantly affect. The energy, for example, a lightning strike is thereby derived radially via the meandering coil to ground. However, this known arrangement has the disadvantage that the production of the meandering coil is difficult and costly. Furthermore, there is a corresponding force on the meandering coil, if it is flowed through in the discharge of energy, wherein the force deformed the coil and the greater, the greater the current flow is. Due to the limited mechanical strength of the meandering coil, the current transfer capacity is correspondingly limited, as a mechanical breakage of the coil leads to a malfunction of the overvoltage protection.

Aus der GB 21 94 394 A ist ein Koaxialverbinder mit integrierter elektrischer Schaltung bekannt. Auf einer Leiterplatte ist ein PI-Filter aufgebracht. Zwischen einem Innenleiter eines Koaxialkabels und einem Innenleiterkontaktelement des Koaxialverbinders ist in einer Ausnehmung der Leiterplatte eine Axialspule angeordnet, deren Enden mit jeweils einem gegen Masse geschalteten und auf der Leiterplatte aufgebrachten Kondensator in Verbindung stehen.From GB 21 94 394 A a coaxial connector with integrated electrical circuit is known. On a circuit board a PI filter is applied. Between an inner conductor of a coaxial cable and an inner conductor contact element of the coaxial connector, an axial coil is arranged in a recess of the printed circuit board whose ends are connected to a capacitor connected to ground and applied to the printed circuit board.

Der Erfindung liegt die Aufgabe zugrunde, einen Koaxialverbinder der o.g. Art bzgl. Herstellung und Montage zu verbessern.The invention has for its object to provide a coaxial connector of o.g. To improve the type of manufacture and assembly.

Diese Aufgabe wird erfindungsgemäß bei einem Koaxialverbinder 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 with a coaxial connector of the above. Art solved with the features characterized in claim 1. Advantageous embodiments of the invention are described in the further claims.

Erfindungsgemäß ist vorgesehen, daß die Induktivität als Axialspule ausgebildet sowie koaxial zum Innenleiter angeordnet ist, wobei ein erstes Ende der Axialspule mit der ersten Kondensatorplatte verbunden ist und ein zweites, dem Kondensator abgewandtes Ende der Axialspule an einer axial in Richtung Eingang des Koaxialverbinders beabstandeten Stelle mit dem Außenleiter verbunden ist.According to the invention it is provided that the inductance is formed as an axial coil and coaxial with the inner conductor, wherein a first end of the axial coil is connected to the first capacitor plate and a second, the condenser facing away from the end of the axial coil at an axially spaced in the direction of entrance of the coaxial connector connected to the outer conductor.

Dies hat den Vorteil, daß das Spulenelement des Überspannungsschutzes einfacher herzustellen ist und gleichzeitig eine höhere mechanische Festigkeit aufweist. Zusätzlich kommt es wegen der Ausbildung als Axialspule zu einer gleichmäßigen Krafteinwirkung auf die Spule bei Stromfluß. Durch den erfindungsgemäßen Aufbau ist es möglich, einen größeren Leitungsquerschnitt zu verwenden. Dies erzielt eine bessere Stabilität und eine höhere Stromübertragungskapazität. Mit anderen Worten ist ein Überspannungsschutz für noch höhere Ströme gewährleistetThis has the advantage that the coil element of the overvoltage protection is easier to manufacture and at the same time has a higher mechanical strength. In addition, it is due to the training as axial coil to a uniform Force on the coil during current flow. Due to the construction according to the invention, it is possible to use a larger cross-section. This achieves better stability and higher power transmission capacity. In other words, overvoltage protection for even higher currents is guaranteed

In einer bevorzugten Ausführungsform weist die Axialspule einen dielektrischen Grundkörper auf, auf dem Spulenwicklungen aus einem Draht aus leitendem Werkstoff aufgebracht sind.In a preferred embodiment, the axial coil on a dielectric base body, are applied to the coil windings of a wire of conductive material.

In einer alternativen Ausführungsform sind die Axialspule und die erste Kondensatorplatte einstückig aus einem an einer Seite geschlossenen Rohr aus leitendem Werkstoff ausgebildet, wobei an der geschlossenen Seite die erste Kondensatorplatte ausgebildet ist und wobei ferner das Rohr zwischen der geschlossenen Seite und einer offenen Seite einen helixförmig um eine Rohrwandung herum verlaufenden Schlitz aufweist, welcher die Rohrwandung in entsprechende Spulenwindungen zu einer Axialspule aufteilt.In an alternative embodiment, the axial coil and the first capacitor plate are integrally formed from a tube closed on one side of conductive material, wherein on the closed side, the first capacitor plate is formed and further wherein the tube between the closed side and an open side in a helical order Having a pipe wall extending around slot which divides the pipe wall into corresponding coil turns to an axial coil.

Eine einfachere Montage sowie eine kostengünstige Herstellung erzielt man dadurch, daß der erste Innenleiter einstückig mit der ersten Kondensatorplatte ausgebildet ist.A simpler installation and a cost-effective production is achieved in that the first inner conductor is formed integrally with the first capacitor plate.

Zweckmäßigerweise ist das erste Ende der Axialspule im Bereich eines äußeren Umfangsrandes der ersten Kondensatorplatte mit dieser elektrisch verbunden.Conveniently, the first end of the axial coil in the region of an outer peripheral edge of the first capacitor plate is electrically connected thereto.

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

Fig. 1
eine erste bevorzugte Ausführungsform eines erfindungsgemäßen Koaxialverbinders in Schnittansicht und
Fig. 2
eine zweite bevorzugte Ausführungsform eines erfindungsgemäßen Koaxialverbinders in geschnittener, perspektivischer Ansicht.
The invention will be explained in more detail below with reference to the drawing. This shows in:
Fig. 1
A first preferred embodiment of a coaxial connector according to the invention in sectional view and
Fig. 2
a second preferred embodiment of a coaxial connector according to the invention in a sectional, perspective view.

Die in Fig. 1 dargestellte, erste bevorzugte Ausführungsform eines erfindungsgemäßen Koaxialverbinders mit Überspannungsschutz umfaßt einen Eingang 10, einen Ausgang 12, einen mit dem Eingang 10 verbundenen ersten Innenleiter 14, einen mit dem Ausgang 12 verbundenen zweiten Innenleiter 16 und einen Au-ßenleiter 18. Als Überspannungsschutz ist ein Kondensator 20 mit einer mit dem ersten Innenleiter 14 verbundenen ersten Kondensatorplatte 22 und einer mit dem zweiten Innenleiter 16 verbundenen zweiten Kondensatorplatte 24 vorgesehen.The illustrated in Fig. 1, the first preferred embodiment of a coaxial connector according to the invention with overvoltage protection comprises an input 10, an output 12, a 10 connected to the input first inner conductor 14, a second output connected to the inner conductor 12 and an outer conductor 18 e. As overvoltage protection, a capacitor 20 is provided with a first capacitor connected to the first inner conductor 14 and a second capacitor plate 22 connected to the second inner conductor 16 second capacitor plate 24.

Der Überspannungsschutz umfaßt ferner eine Induktivität, welche in Form einer Helixspule 26 ausgehend von der ersten Kondensatorplatte 22 in Richtung Eingang 10 den ersten Innenleiter 14 koaxial umgibt. Ein erstes Ende 28 der Helixspule 26 ist mit der ersten Kondensatorplatte 22 benachbart zu deren Außenumfang elektrisch verbunden. Ein zweites, von dem Kondensator 20 abgewandtes Ende 30 der Helixspule 26 ist mit dem Außenleiter 18 elektrisch verbunden. Die Helixspule 26 ist auf ein rohrförmiges Dielektrikum 32 aufgeschoben, welches von dem ersten Innenleiter 14 gehalten ist und eine gewünschte Impedanz einstellt. Die Helixspule ist derart ausgebildet, daß sie zwischen dem ersten und dem zweiten Ende ihren Durchmesser nicht verändert, sondern sich im wesentlichen in axialer Richtung erstreckt.The overvoltage protection further comprises an inductance which, in the form of a helical coil 26, coaxially surrounds the first inner conductor 14, starting from the first capacitor plate 22 in the direction of the input 10. A first end 28 of the helical coil 26 is electrically connected to the first capacitor plate 22 adjacent to its outer periphery. A second, facing away from the capacitor 20 end 30 of the helix coil 26 is electrically connected to the outer conductor 18. The helical coil 26 is slid onto a tubular dielectric 32 which is held by the first inner conductor 14 and adjusts to a desired impedance. The helical coil is formed so that it does not change its diameter between the first and second ends, but extends substantially in the axial direction.

Mit dieser Anordnung sind über den Eingang 10 ankommende, niederfrequente Ströme ausgehend von dem ersten Innenleiter 14 über die erste Kondensatorplatte 22 und die Helixspule 26 gegen Masse bzw. Erde kurz geschlossen. Für hochfrequente Ströme, wie beispielsweise über den Koaxialverbinder übertragene Nutzsignale im MHz- oder GHz-Bereich, bildet die Helixspule eine Drossel, so daß derartige Ströme nicht über die Helixspule nach Masse abfließen, sondern von dem ersten Innenleiter 14 über den Kondensator 20 zum zweiten Innenleiter 16 und damit zum Ausgang 12 übertragen werden.With this arrangement, low-frequency currents arriving via the input 10, starting from the first inner conductor 14 via the first capacitor plate 22 and the helix coil 26, are short-circuited to earth or ground. For high-frequency currents, such as transmitted over the coaxial connector useful signals in the MHz or GHz range, the helix coil forms a choke, so that such currents do not drain via the helix coil to ground, but from the first inner conductor 14 via the capacitor 20 to the second inner conductor 16 and thus transmitted to the output 12.

Im Falle einer Überspannung am Eingang 10, beispielsweise als Folge eines Blitzeinschlages, treten hohe, jedoch niederfrequente Ströme auf, deren Energie axial über die Helixspule 26 gegen Masse abgeführt wird. Gleichzeitig schützt der Kondensator 20 dem Ausgang 12 nachgeordnete elektrische Schaltungen vor etwaigen Restspannungen, welche während der Energieabführung über die Helixspule 26 auftreten.In the event of an overvoltage at the input 10, for example as a result of a lightning strike, high, but low-frequency currents occur whose energy is dissipated axially via the helix coil 26 to ground. At the same time, the capacitor 20 protects the output 12 downstream electrical circuits before any Residual stresses that occur during the energy dissipation via the helical coil 26.

In gleicher Weise funktioniert die zweite bevorzugte Ausführungsform gemäß Fig. 2, jedoch ist hier der Überspannungsschutz aus Helixspule 26 und Kondensator 20 in mechanisch anderer Weise aufgebaut. Die erste Kondensatorplatte 22 und die Helixspule 26 sind einstückig aus einem an einem Ende geschlossenen Rohr 34 gefertigt. Hierbei ist die erste Kondensatorplatte 22 beispielsweise durch Abdrehen eines Teils des Umfangs des Rohres 34 an dessen geschlossenem Ende ausgebildet. Am zylinderförmigen Umfang des Rohres 34 erstreckt sich ferner ein Schlitz helixförmig zwischen dem geschlossenen Ende und dem offenen Ende des Rohres 34 und teilt dadurch einen vorbestimmten Abschnitt einer Rohrwandung des Rohres 34 in nebeneinander liegende Windungen auf, so daß die Helixspule 26 auf dem zylinderförmigen Rohrmantel ausgebildet ist. Der erste Innenleiter 14 ist beispielsweise in die erste Kondensatorplatte 22 eingeschraubt, eingepreßt oder einstückig mit dieser ausgebildet.In the same way, the second preferred embodiment of FIG. 2 works, but here the overvoltage protection helical coil 26 and capacitor 20 is constructed in a mechanically different manner. The first capacitor plate 22 and the helix coil 26 are made in one piece from a tube 34 closed at one end. Here, the first capacitor plate 22 is formed, for example, by twisting off a part of the circumference of the tube 34 at its closed end. At the cylindrical periphery of the tube 34, a slot also extends helically between the closed end and the open end of the tube 34 and thereby divides a predetermined portion of a tube wall of the tube 34 into adjacent turns, so that the helix coil 26 is formed on the cylindrical tube jacket is. The first inner conductor 14 is screwed, for example, in the first capacitor plate 22, pressed or integrally formed therewith.

Bei dieser zweiten Ausführungsform ist die Induktivität in Form der Helixspule besonders einfach, schnell, kostengünstig und in Serien- bzw. Massenproduktion herzustellen. Hierzu ist lediglich eine entsprechende Fräs-/Drehbearbeitung eines Rohrrohlings durchzuführen.In this second embodiment, the inductance in the form of the helix coil is particularly simple, fast, inexpensive and mass-produced. For this purpose, only a corresponding milling / turning of a tube blank is to perform.

Claims (6)

  1. Coaxial connector with an inner conductor (14, 16), an outer conductor (18) and overvoltage protection with an inductor to ground and a capacitor (20), the capacitor (20) being connected in series with the inner conductor (16) and having a first capacitor plate (22) connected to a first inner conductor (14) of an input (10) of the coaxial connector, and a second capacitor plate (24) connected to a second inner conductor (16) of an output (12) of the coaxial connector, characterised in that the inductor is designed as an axial coil (26) and is arranged coaxially round the inner conductor (14), whereby a first end (28) of the axial coil (26) is connected to the first capacitor plate (22) and a second end of the axial coil (26) facing away from the capacitor (20) is connected to the outer conductor (18) at a site (30) axially separated in the direction of the input (10) of the coaxial connector.
  2. Coaxial connector according to claim 1, characterised in that the axial coil (26) has a dielectric support body onto which the coil windings made from wire of conductive material are applied.
  3. Coaxial connector according to claim 1, characterised in that the axial coil (26) and the first capacitor plate (22) are formed in one piece from a tube (34) closed at one side and made from conductive material, wherein at the closed side, the first capacitor plate (22) is formed and wherein also, between the closed side and an open side, the tube (34) has a helical slit running round a tube wall, said slit dividing the tube wall, as corresponding coil windings, into an axial coil (26).
  4. Coaxial connector according to claim 3, characterised in that additionally the first inner conductor (14) is formed in one piece with the first capacitor plate (22).
  5. Coaxial connector according to claim 3 or 4, characterised in that the capacitor plate (22) has a smaller diameter than the tube (34).
  6. Coaxial connector according to at least one of the preceding claims, characterised in that, in the region of an outer peripheral edge of the first capacitor plate (22), the first end (28) of the axial coil (26) is electrically connected to said capacitor plate.
EP03005171A 2002-03-20 2003-03-07 Coaxial connector with overvoltage protection Expired - Lifetime EP1351345B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10212365A DE10212365C1 (en) 2002-03-20 2002-03-20 Electrical coaxial connector with overvoltage protection provided by capacitor with opposing capacitor plates coupled to inner conductor on input and output sides and axial coil coupled to outer conductor
DE10212365 2002-03-20

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Publication Number Publication Date
EP1351345A1 EP1351345A1 (en) 2003-10-08
EP1351345B1 true EP1351345B1 (en) 2006-07-05

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EP03005171A Expired - Lifetime EP1351345B1 (en) 2002-03-20 2003-03-07 Coaxial connector with overvoltage protection

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EP (1) EP1351345B1 (en)
AT (1) ATE332581T1 (en)
DE (2) DE10212365C1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1689056B1 (en) 2005-02-07 2012-04-11 PHOENIX CONTACT GmbH & Co. KG Overvoltage arrester device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD214259A1 (en) * 1983-04-04 1984-10-03 Hermsdorf Keramik Veb CONNECTOR
GB2194394B (en) * 1986-08-20 1990-10-24 Marconi Co Ltd Co-axial connector
US6061223A (en) * 1997-10-14 2000-05-09 Polyphaser Corporation Surge suppressor device
KR100315561B1 (en) * 1998-01-13 2002-02-28 윤종용 Expansion apparatus
US6452773B1 (en) * 2000-03-21 2002-09-17 Andrew Corporation Broadband shorted stub surge protector

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EP1351345A1 (en) 2003-10-08
ATE332581T1 (en) 2006-07-15
DE10212365C1 (en) 2003-08-21
DE50304110D1 (en) 2006-08-17

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