EP1313170A1 - Coaxial solder connector and method to connect it to a coaxial cable - Google Patents

Coaxial solder connector and method to connect it to a coaxial cable Download PDF

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Publication number
EP1313170A1
EP1313170A1 EP02024843A EP02024843A EP1313170A1 EP 1313170 A1 EP1313170 A1 EP 1313170A1 EP 02024843 A EP02024843 A EP 02024843A EP 02024843 A EP02024843 A EP 02024843A EP 1313170 A1 EP1313170 A1 EP 1313170A1
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EP
European Patent Office
Prior art keywords
cable
connector
solder
recess
inner conductor
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Granted
Application number
EP02024843A
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German (de)
French (fr)
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EP1313170B1 (en
Inventor
Franz Dr. Pitschi
Werner Wild
Josef Landinger
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Spinner GmbH
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Spinner GmbH
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Application filed by Spinner GmbH filed Critical Spinner GmbH
Priority to EP06017179A priority Critical patent/EP1724877B1/en
Publication of EP1313170A1 publication Critical patent/EP1313170A1/en
Application granted granted Critical
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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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/023—Soldered or welded connections between cables or wires and terminals
    • H01R4/024—Soldered or welded connections between cables or wires and terminals comprising preapplied solder
    • 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
    • H01R13/622—Screw-ring or screw-casing
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding

Definitions

  • the invention relates to a coaxial connector, whose connector head has a recess on the cable side for receiving, Contacting and interception of the end of the outer conductor of a coaxial cable, which recess has a central opening merges into a recess on the plug side, in which there is an insulating support, some Connector inner conductor holds, the one on the cable side central hole for the introduction of the inner conductor of the Has coaxial cable.
  • the invention further relates to a Method for soldering such a connector with the appropriately prepared end of a coaxial cable.
  • a connector of the type specified above, which for Achieve a very low intermodulation connection with a coaxial cable both at the factory and at the installation site is solderable, is known from DE 100 55 992 A1.
  • the connector is for mounting on coaxial cables comparatively large diameter, i.e. in the Rule with corrugated tube outer conductor and tubular, if necessary corrugated Cable inner conductor, determined. To do this, it must be done in one first step of fitting the connector inner conductor into the prepared cable inner conductor introduced and with this to be soldered. In a second step, the connector head on the correspondingly far opposite the inner cable reset corrugated tube outer conductor pushed on.
  • the invention has for its object a connector to create the genus specified in the introduction, which saves time on especially thin coaxial cables can be assembled.
  • This object is achieved in that in a solder depot in the axial bore of the connector inner conductor is arranged.
  • the connector can therefore be fully assembled, i.e. with a plug inside the insulator support, in one step on the appropriately prepared end a coaxial cable.
  • the inner cable comes into play into the axial bore in the connector inner conductor.
  • the connector inner conductor can be used with any known Means are warmed up so far that the solder depot melts and thereby a solder connection between the Manufactures inner connector and the inner cable, and supported by the capillary action of the initially existing Gap between the inner cable and the Inner wall of the hole in the connector inner conductor.
  • the plug head can be connected to the outer cable by one of the known methods, in particular by Crimping or soldering, mechanically connected and electrical be contacted.
  • Crimping or soldering mechanically connected and electrical be contacted.
  • the only requirement is an adequate one Temperature resistance of the insulation support, the but usually from at least a short time anyway corresponding to temperature-resistant plastic such as PTFE consists.
  • the vent hole can in particular be an axial extension the axial bore of the connector inner conductor be formed (claim 3). This enables at the same time a visual check of the quality of the solder joint between the inner cable and the inner connector, because the vent hole can be used as an extension the axial bore of the connector inner conductor so that after the air escapes and at Properly soldering a silvery dome appears from solder.
  • the insulating material support can be a Have vent hole (claim 4).
  • the one in the insulating material support seated body of the connector inner conductor have a longitudinal groove as a ventilation channel (claim 5).
  • a particularly preferred embodiment of the connector according to the invention is characterized in that in the cable-side recess of the plug head a solder deposit is arranged (claim 7).
  • the solder depot can be in the cable-side recess of the Plug head designed as an insertable molded part (claim 8) and in one in the inner wall of the recess pierced ring groove may be arranged (claim 9). Similar as before for soldering the inner cable with the inner conductor described, can also in this If the quality of the soldered connection is checked visually because it is liquid at first and then solidifying solder in the annular gap between the cable outer conductor and the cable end face of the plug head is visible.
  • the induction loop used for heating of the connector inner conductor can be used without further deep enough into the plug head from its plug side Insert it up to the insulation support.
  • the further induction loop to liquefy the solder to Soldering the outer cable with the plug head surrounds a bundle of reduced diameter on the cable side End of the connector is formed. This reduces the inductively coupled needed for soldering Amount of heat compared to the amount of heat for sufficient heating of the entire plug head would be necessary.
  • the cooling time is shortened accordingly and reduces the thermal load on the insulating support.
  • Connector comprises a connector head 1 with a cable side Collar 1.1, in which there is a recess 1.2, which extends to a floor 1.3.
  • the recess 1.2 of the plug head 1 has a 1.1 in the federal government Ring groove 1.4, in which a solder deposit 4 is arranged.
  • the Floor 1.3 has a passage 1.7 in the middle of a room 1.5, the part of a plug-side recess 1.6 of the plug head 1 is.
  • the room 1.5 is plugged through the end face an insulating support 2 made of a soldering temperature resistant Plastic such as PTFE limited.
  • the insulation support 2 is pressed into the plug head 1.
  • a connector inner conductor 3 which in this embodiment is designed as a socket contact is, but could also be a pin contact.
  • the connector inner conductor 3 has in this embodiment as a socket contact a recess 3.1 for receiving the pin-shaped connector inner conductor is not one mating connector shown.
  • the connector inner conductor 3 also has a central, axial bore 3.2 from the cable side to close to the bottom of the Recess 3.1 extends and into this over an end section reduced diameter, which opens as a vent hole serves. In the axial bore 3.2 there is a Lot 5.
  • the collar 1.1 of the Plug head 1 a first induction loop 20 and over the connector inner conductor 3 a second induction loop 21 led.
  • Solder in the solder deposits 4 and 5 is molten and fills on the one hand the gap between the outer cable 10 and the Wall of the cable-side recess 1.2 of the plug head 1, on the other hand, the corresponding gap between the wall of the axial bore 3.2 in the body of the connector inner conductor 3 and the inner cable 12.
  • the Bore up to the end face of the pin inner conductor continue.
  • vent hole 6 in the latter with the plug side Recess 1.6 of the plug head 1 is connected.
  • the diameter of the vent hole 6 is selected such that sufficient on both end faces of the insulating material support 2 free cross section remains.
  • the embodiment of the connector according to FIG. 3 differs from that according to FIGS. 1a to 1c only through a ventilation channel 7, which is in the form of a longitudinal groove in the body of the seated in the insulating support 2 Connector inner conductor 3 is formed.
  • solder depot is 5 not at the bottom of hole 3.2 of the connector inner conductor 3 arranged but expanded in an area 3.3 Diameter at the cable entry of the bore 3.2, the enlarged at its plug end into a channel 3.4 Diameter passes.
  • Channel 3.4 has the purpose of To be able to visually check the mating side that at least the transition area between the end of the hole 3.2 and the beginning of channel 3.4 after soldering is coated with solder, so the soldering properly has taken place.
  • the solder depot 4 is Establish a soldered connection between the outer cable 10 and the plug head 1 no longer in an annular groove but installed in an area 41.4, which is called a step-shaped Extension of the cable-side recess 1.2 of the Plug head 1 is formed.
  • the advantage of this embodiment is that they're manufacturing is easier to manufacture than the embodiments according to 1 to 3.
  • Another difference from those embodiments is that while soldering no relative displacement between the cable and the connector takes place.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

The device has a plug head (1) with a cable-side opening (1.2) for accommodating, contacting and holding the end of the outer conductor of a coaxial cable whose floor has a central passage (1.4) to a plug-side opening (1.6) for an insulating support that holds an inner conductor with an axial bore (3.2) for inserting the end of the cable's inner conductor. A solder deposit (5) is arranged in the axial bore of the plug connector's inner conductor. <??>AN Independent claim is also included for the following: a method of soldering a plug connector to the end of a coaxial cable.

Description

Die Erfindung betrifft einen koaxialen Steckverbinder, dessen Steckerkopf kabelseitig eine Ausnehmung zur Aufnahme, Kontaktierung und Abfangung des Endes des Außenleiters eines Koaxialkabels hat, welche Ausnehmung über eine zentrale Öffnung in eine steckseitige Ausnehmung übergeht, in der eine Isolierstoffstütze sitzt, die einen Steckverbinderinnenleiter haltert, der kabelseitig eine zentrale Bohrung zur Einführung des Innenleiters des Koaxialkabels hat. Die Erfindung betrifft des weiteren ein Verfahren zum Verlöten eines derartigen Steckverbinders mit dem passend hergerichteten Ende eines Koaxialkabels.The invention relates to a coaxial connector, whose connector head has a recess on the cable side for receiving, Contacting and interception of the end of the outer conductor of a coaxial cable, which recess has a central opening merges into a recess on the plug side, in which there is an insulating support, some Connector inner conductor holds, the one on the cable side central hole for the introduction of the inner conductor of the Has coaxial cable. The invention further relates to a Method for soldering such a connector with the appropriately prepared end of a coaxial cable.

Ein Steckverbinder der vorstehend angegebenen Art, der zur Erzielung einer sehr intermodulationsarmen Verbindung mit einem Koaxialkabel sowohl werkseitig als auch am Montageort verlötbar ist, ist aus der DE 100 55 992 A 1 bekannt. Dieser Steckverbinder ist allerdings zur Montage auf Koaxialkabeln vergleichsweise großen Durchmessers, d.h. in der Regel mit Wellrohraußenleiter und rohrförmigem, ggf. gewelltem Kabelinnenleiter, bestimmt. Dazu muss in einem ersten Schritt der Steckverbinderinnenleiter in den passend hergerichteten Kabelinnenleiter eingeführt und mit diesem verlötet werden. In einem zweiten Schritt wird der Steckerkopf auf den entsprechend weit gegenüber dem Kabelinnenleiter zurückgesetzten Wellrohraußenleiter aufgeschoben. Dabei durchdringt der schon mit dem Kabelinnenleiter verlötete Steckverbinderinnenleiter eine durchmessergleiche axiale Bohrung in der Isolierstoffstütze. Dieser mindestens zweiteilige Steckverbinder erfordert nicht nur eine zeitaufwendige, zweischrittige Montage sondern eignet sich vor allem auch schlecht für Koaxialkabel kleinen Durchmessers, insbesondere für sogenannte Semirigid-Kabel, die in der Regel einen massiven Kabelinnenleiter und einen dünnwandigen, jedoch glatten Kabelaußenleiter haben, und für Kabel mit Geflechtaußenleiter.A connector of the type specified above, which for Achieve a very low intermodulation connection with a coaxial cable both at the factory and at the installation site is solderable, is known from DE 100 55 992 A1. This However, the connector is for mounting on coaxial cables comparatively large diameter, i.e. in the Rule with corrugated tube outer conductor and tubular, if necessary corrugated Cable inner conductor, determined. To do this, it must be done in one first step of fitting the connector inner conductor into the prepared cable inner conductor introduced and with this to be soldered. In a second step, the connector head on the correspondingly far opposite the inner cable reset corrugated tube outer conductor pushed on. It penetrates the already soldered to the inner cable Connector inner conductor of the same diameter axial hole in the insulation support. This at least two-piece connectors not only requires a time-consuming, two-step assembly but is suitable also bad for small diameter coaxial cables, especially for so-called semirigid cables that are used in the Usually a solid inner cable and a thin-walled however, have smooth outer cable conductors, and for cables with braided outer conductor.

Der Erfindung liegt die Aufgabe zugrunde, einen Steckverbinder der einleitend angegebenen Gattung zu schaffen, der sich zeitsparend auf insbesondere auch dünne Koaxialkabel montieren lässt.The invention has for its object a connector to create the genus specified in the introduction, which saves time on especially thin coaxial cables can be assembled.

Diese Aufgabe ist erfindungsgemäß dadurch gelöst, dass in der axialen Bohrung des Steckverbinderinnenleiters ein Lotdepot angeordnet ist.This object is achieved in that in a solder depot in the axial bore of the connector inner conductor is arranged.

Der Steckverbinder kann deshalb vollständig montiert, d.h. mit in der Isolierstoffstütze sitzendem Steckerinnenleiter, in einem Schritt auf dem entsprechend hergerichteten Ende eines Koaxialkabels montiert werden. Hierzu wird das Koaxialkabel mit passend überstehendem und abisoliertem Kabelinnenleiter von der Kabelseite her in die Ausnehmung des Steckerkopfes eingeführt. Dabei tritt der Kabelinnenleiter in die axiale Bohrung in dem Steckverbinderinnenleiter ein. Der Steckerverbinderinnenleiter kann mit beliebigen bekannten Mitteln so weit erwärmt werden, dass das Lotdepot schmilzt und dadurch eine Lötverbindung zwischen dem Steckerinnenleiter und dem Kabelinnenleiter herstellt, und zwar unterstützt von der Kapillarwirkung des zunächst vorhandenen Spaltes zwischen dem Kabelinnenleiter und der Innenwand der Bohrung in dem Steckverbinderinnenleiter. Gleichzeitig kann der Steckerkopf mit dem Kabelaußenleiter nach einem der bekannten Verfahren, also insbesondere durch Krimpen oder Löten, mechanisch verbunden und elektrisch kontaktiert werden. Einzige Voraussetzung ist eine ausreichende Temperaturfestigkeit der Isolierstoffstütze, die aber in der Regel ohnehin aus einem mindestens kurzzeitig entsprechend temperaturfesten Kunststoff wie etwa PTFE besteht.The connector can therefore be fully assembled, i.e. with a plug inside the insulator support, in one step on the appropriately prepared end a coaxial cable. For this, the coaxial cable with suitable protruding and stripped inner cable from the cable side into the recess of the Plug head inserted. The inner cable comes into play into the axial bore in the connector inner conductor. The connector inner conductor can be used with any known Means are warmed up so far that the solder depot melts and thereby a solder connection between the Manufactures inner connector and the inner cable, and supported by the capillary action of the initially existing Gap between the inner cable and the Inner wall of the hole in the connector inner conductor. At the same time, the plug head can be connected to the outer cable by one of the known methods, in particular by Crimping or soldering, mechanically connected and electrical be contacted. The only requirement is an adequate one Temperature resistance of the insulation support, the but usually from at least a short time anyway corresponding to temperature-resistant plastic such as PTFE consists.

Infolge der Erwärmung des Steckverbinderinnenleiters, der steckseitig als Buchse oder als Stift ausgebildet sein kann, dehnt sich die Luft in den Hohlräumen des Steckverbinders aus, insbesondere in dem zur Vermeidung eines Wellenwiderstandssprunges erforderlichen Raum kabelseitig von der Isolierstoffstütze. Weil die Isolierstoffstütze in der Regel in den Steckerkopf eingepresst ist und die kabelseitige Ausnehmung des Steckerkopfes durch das eingeführte Kabelende verschlossen ist, ist es bei den meisten Steckverbinderkonstruktionen zweckmäßig, wenn von dem Raum zwischen dem Boden der kabelseitigen Ausnehmung des Steckerkopfes und der Isolierstoffstütze eine Entlüftungsbohrung abgeht (Anspruch 2).As a result of the heating of the connector inner conductor, the be designed on the plug side as a socket or as a pin can, the air in the cavities of the connector expands off, especially in order to avoid a surge in wave resistance required space on the cable side of the insulation support. Because the insulation support in the Usually is pressed into the plug head and the cable side Recess of the plug head through the inserted Cable end is locked, it is with most connector designs useful if from the space between the bottom of the cable-side recess of the plug head and the insulation support has a vent hole goes off (claim 2).

Die Entlüftungsbohrung kann insbesondere als axiale Verlängerung der axialen Bohrung des Steckverbinderinnenleiters ausgebildet sein (Anspruch 3). Dies ermöglicht gleichzeitig eine visuelle Kontrolle der Güte der Lötverbindung zwischen dem Kabelinnenleiter und dem Steckverbinderinnenleiter, denn die Entlüftungsbohrung kann als Verlängerung der axialen Bohrung des Steckverbinderinnenleiters realisiert werden, so dass nach dem Entweichen der Luft und bei ordnungsgemäßer Verlötung eine silbrig glänzende Kalotte aus Lötzinn erscheint.The vent hole can in particular be an axial extension the axial bore of the connector inner conductor be formed (claim 3). This enables at the same time a visual check of the quality of the solder joint between the inner cable and the inner connector, because the vent hole can be used as an extension the axial bore of the connector inner conductor so that after the air escapes and at Properly soldering a silvery dome appears from solder.

Alternativ oder zusätzlich kann die Isolierstoffstütze eine Entlüftungsbohrung haben (Anspruch 4).Alternatively or additionally, the insulating material support can be a Have vent hole (claim 4).

Ebenso alternativ oder zusätzlich kann der in der Isolierstoffstütze sitzende Körper des Steckverbinderinnenleiters eine Längsnut als Entlüftungskanal haben (Anspruch 5).Likewise, alternatively or additionally, the one in the insulating material support seated body of the connector inner conductor have a longitudinal groove as a ventilation channel (claim 5).

Eine weitere, allerdings fertigungstechnisch weniger günstige Möglichkeit besteht darin, dass der Steckerkopf eine Entlüftungsbohrung hat, die von dem Raum kabelseitig von der Isolierstoffstütze abgeht (Anspruch 6).Another, but less cheap in terms of production technology Possibility is that the plug head is a Vent hole that is cable-side from the room the insulation support comes off (claim 6).

Eine besonders bevorzugte Ausführungsform des Steckverbinders nach der Erfindung zeichnet sich dadurch aus, dass in der kabelseitigen Ausnehmung des Steckerkopfes ein Lotdepot angeordnet ist (Anspruch 7). Durch gleichzeitige hinreichende Erwärmung sowohl des Steckverbinderinnenleiters als auch des Steckerkopfes im Bereich seiner Ausnehmung zur Aufnahme des Kabelaußenleiters ergibt sich eine besonders zeitsparende Montage des Steckverbinders auf dem Kabelende.A particularly preferred embodiment of the connector according to the invention is characterized in that in the cable-side recess of the plug head a solder deposit is arranged (claim 7). By simultaneous sufficient Heating of both the connector inner conductor and also of the plug head in the region of its recess Inclusion of the cable outer conductor results in a special time-saving assembly of the connector on the cable end.

Das Lotdepot kann in der kabelseitigen Ausnehmung des Steckerkopfes als einlegbares Formteil ausgebildet (Anspruch 8) und in einer in die Innenwand der Ausnehmung eingestochenen Ringnut angeordnet sein (Anspruch 9). Ähnlich wie zuvor für die Verlötung des Kabelinnenleiters mit dem Steckerinnenleiter beschrieben, kann auch in diesem Fall die Güte der hergestellten Lötverbindung visuell kontrolliert werden, und zwar deshalb, weil das zunächst flüssige und anschließend erstarrende Lot in dem Ringspalt zwischen dem Kabelaußenleiter und der kabelseitigen Stirnfläche des Steckerkopfes sichtbar wird.The solder depot can be in the cable-side recess of the Plug head designed as an insertable molded part (claim 8) and in one in the inner wall of the recess pierced ring groove may be arranged (claim 9). Similar as before for soldering the inner cable with the inner conductor described, can also in this If the quality of the soldered connection is checked visually because it is liquid at first and then solidifying solder in the annular gap between the cable outer conductor and the cable end face of the plug head is visible.

Ein vorteilhaftes Verfahren zum Verlöten eines derartigen Steckverbinders mit dem Ende eines Koaxialkabels besteht darin, dass mindestens eines der Lotdepots nach dem Einführen des Endes des Koaxialkabels mit passend überstehendem Kabelinnenleiter erwärmt wird, um die Lötverbindung herzustellen (Anspruch 10). Dabei wird ein leichter axialer Schub auf den Steckverbinder (oder das Kabel) aufrecht erhalten. In dem Augenblick, in dem das Lot schmelzflüssig wird, schiebt sich der Kabelsteckverbinder um die entsprechende, kleine Strecke weiter auf das Kabel.An advantageous method for soldering such Connector with the end of a coaxial cable in that at least one of the solder deposits after insertion the end of the coaxial cable with a suitable protruding Inner cable is heated to the solder joint produce (claim 10). This will be a slight axial Thrust upright on the connector (or cable) receive. The moment the solder becomes molten the cable connector is pushed around the corresponding small distance further on the cable.

Besonders einfach lässt sich eine vollständig automatisierte Montage verwirklichen, wenn mindestens eines der Lotdepots und zweckmäßig beide Lotdepots mittels einer bzw. je einer Induktionsschleife erwärmt wird bzw. erwärmt werden (Anspruch 11). Die Induktionsschleife, die zur Erwärmung des Steckverbinderinnenleiters dient, lässt sich ohne weiteres tief genug in den Steckerkopf von dessen Steckseite her bis nahe an die Isolierstoffstütze einführen. Die weitere Induktionsschleife zur Verflüssigung des Lots zum Verlöten des Kabelaußenleiters mit dem Steckerkopf umgibt einen Bund verringerten Durchmesser, der am kabelseitigen Ende des Steckverbinders ausgebildet ist. Dadurch verringert sich die zum Verlöten benötigte, induktiv eingekoppelte Wärmemenge im Vergleich zu der Wärmemenge, die für eine ausreichende Erwärmung des gesamten Steckerkopfes notwendig wäre. Entsprechend verkürzt sich die Abkühlzeit und vermindert sich die thermische Belastung der Isolierstoffstütze.Completely automated is particularly easy Realize assembly if at least one of the Solder deposits and expediently both solder deposits by means of one or one induction loop is heated or heated (Claim 11). The induction loop used for heating of the connector inner conductor can be used without further deep enough into the plug head from its plug side Insert it up to the insulation support. The further induction loop to liquefy the solder to Soldering the outer cable with the plug head surrounds a bundle of reduced diameter on the cable side End of the connector is formed. This reduces the inductively coupled needed for soldering Amount of heat compared to the amount of heat for sufficient heating of the entire plug head would be necessary. The cooling time is shortened accordingly and reduces the thermal load on the insulating support.

In der Zeichnung ist ein Steckerkopf nach der Erfindung in einer beispielhaft gewählten Ausfertigung schematisch vereinfacht dargestellt. Es zeigt:

Fig. 1a
eine erste Ausführungsform des Steckverbinders im schematisch vereinfachten Längsschnitt
Fig. 1b
den Steckverbinder nach Fig. 1a nach dem Einführen des Endes eines Koaxialkabels
Fig. 1c
den Steckverbinder einschließlich Kabel gemäß Fig. 1b während und nach dem Löten
Fig. 2
eine zweite Ausführungsform des Steckverbinders im Längsschnitt, und
Fig. 3
eine dritte Ausführungsform des Steckverbinders
Fig. 4a bis 4c
eine vierte Ausführungsform des Steckverbinders
In the drawing, a plug head according to the invention is shown schematically simplified in an exemplary embodiment selected. It shows:
Fig. 1a
a first embodiment of the connector in a schematically simplified longitudinal section
Fig. 1b
1a after inserting the end of a coaxial cable
Fig. 1c
the connector including cable according to Fig. 1b during and after soldering
Fig. 2
a second embodiment of the connector in longitudinal section, and
Fig. 3
a third embodiment of the connector
4a to 4c
a fourth embodiment of the connector

Der in den Fig. 1 bis 3 beispielhaft dargestellte, koaxiale Steckverbinder umfasst einen Steckerkopf 1 mit einem kabelseitigen Bund 1.1, in welchem sich eine Ausnehmung 1.2 befindet, die bis zu einem Boden 1.3 reicht. Die Ausnehmung 1.2 des Steckerkopfes 1 hat im Bereich des Bundes 1.1 eine Ringnut 1.4, in der ein Lotdepot 4 angeordnet ist. Der Boden 1.3 hat mittig einen Durchgang 1.7 zu einem Raum 1.5, der Teil einer steckseitigen Ausnehmung 1.6 des Steckerkopfes 1 ist. Der Raum 1.5 wird steckseitig durch die Stirnfläche einer Isolierstoffstütze 2 aus einem löttemperaturbeständigen Kunststoff wie etwa PTFE begrenzt. Die Isolierstoffstütze 2 ist in den Steckerkopf 1 eingepresst. In der Isolierstoffstütze 2 sitzt ein Steckverbinderinnenleiter 3, der in diesem Ausführungsbeispiel als Buchsenkontakt ausgebildet ist, jedoch ebenso gut ein Stiftkontakt sein könnte. Der Steckverbinderinnenleiter 3 hat in dieser Ausführungsform als Buchsenkontakt eine Ausnehmung 3.1 zur Aufnahme des stiftförmigen Steckverbinderinnenleiters eines nicht dargestellten Gegensteckverbinders. Der Steckverbinderinnenleiter 3 hat des weiteren eine zentrale, axiale Bohrung 3.2, die von der Kabelseite her bis nahe an den Boden der Ausnehmung 3.1 reicht und in diese über einen Endabschnitt verminderten Durchmessers mündet, der als Entlüftungsbohrung dient. In der axialen Bohrung 3.2 befindet sich ein Lotdepot 5.The coaxial shown as an example in FIGS. 1 to 3 Connector comprises a connector head 1 with a cable side Collar 1.1, in which there is a recess 1.2, which extends to a floor 1.3. The recess 1.2 of the plug head 1 has a 1.1 in the federal government Ring groove 1.4, in which a solder deposit 4 is arranged. The Floor 1.3 has a passage 1.7 in the middle of a room 1.5, the part of a plug-side recess 1.6 of the plug head 1 is. The room 1.5 is plugged through the end face an insulating support 2 made of a soldering temperature resistant Plastic such as PTFE limited. The insulation support 2 is pressed into the plug head 1. In the Insulating material support 2 is a connector inner conductor 3, which in this embodiment is designed as a socket contact is, but could also be a pin contact. The connector inner conductor 3 has in this embodiment as a socket contact a recess 3.1 for receiving the pin-shaped connector inner conductor is not one mating connector shown. The connector inner conductor 3 also has a central, axial bore 3.2 from the cable side to close to the bottom of the Recess 3.1 extends and into this over an end section reduced diameter, which opens as a vent hole serves. In the axial bore 3.2 there is a Lot 5.

Um diesen Steckverbinder auf einem Koaxialkabel zu montieren, wird gemäß Fig. 1b das passend hergerichtete Ende des hier ein Geflechtaußenleiter 10, ein Kabeldielektrikum 11 und einen massiven Kabelinnenleiter 12 umfassenden Koaxialkabels in den Steckverbinder eingeführt, bis der Kabelinnenleiter 12 auf dem Lotdepot 5 aufsitzt.To mount this connector on a coaxial cable, 1b the appropriately prepared end of here a braided outer conductor 10, a cable dielectric 11 and a solid inner cable 12 comprising coaxial cable inserted into the connector until the inner cable 12 sits on the solder depot 5.

Anschließend wird gemäß Fig. 1c über den Bund 1.1 des Steckerkopfes 1 eine erste Induktionsschleife 20 und über den Steckverbinderinnenleiter 3 eine zweite Induktionsschleife 21 geführt. Nach ausreichender Erwärmung wird das Lot in den Lotdepots 4 und 5 schmelzflüssig und füllt einerseits den Spalt zwischen dem Kabelaußenleiter 10 und der Wand der kabelseitigen Ausnehmung 1.2 des Steckerkopfes 1, andererseits den entsprechenden Spalt zwischen der Wand der axialen Bohrung 3.2 im Körper des Steckverbinderinnenleiters 3 und dem Kabelinnenleiter 12. Die sich infolge der Erwärmung in dem Raum 1.5 ausdehnende Luft entweicht währenddessen über den Endabschnitt der axialen Bohrung 3.2 des Steckverbinderinnenleiters 3 in dessen Ausnehmung 1.6. Im Fall eines Stiftinnenleiters würde sich deshalb die Bohrung bis zu der steckseitigen Stirnfläche des Stiftinnenleiters fortsetzen.Subsequently, according to FIG. 1c, the collar 1.1 of the Plug head 1 a first induction loop 20 and over the connector inner conductor 3 a second induction loop 21 led. After sufficient warming it will Solder in the solder deposits 4 and 5 is molten and fills on the one hand the gap between the outer cable 10 and the Wall of the cable-side recess 1.2 of the plug head 1, on the other hand, the corresponding gap between the wall of the axial bore 3.2 in the body of the connector inner conductor 3 and the inner cable 12. The result of the Warming in the room 1.5 expanding air escapes over the end section of the axial bore 3.2 of the connector inner conductor 3 in its recess 1.6. In the case of an inner conductor, the Bore up to the end face of the pin inner conductor continue.

Der Steckverbinder gemäß Fig. 2 unterscheidet sich von demjenigen gemäß den Fig. 1a bis 1c lediglich dadurch, dass der Raum 1.5 kabelseitig von der Isolierstoffstütze 2 über eine Entlüftungsbohrung 6 in letzterer mit der steckseitigen Ausnehmung 1.6 des Steckerkopfes 1 verbunden ist. Der Durchmesser der Entlüftungsbohrung 6 ist so gewählt, dass an beiden Stirnflächen der Isolierstoffstütze 2 ein ausreichender freier Querschnitt verbleibt.2 differs from that according to FIGS. 1a to 1c only in that the room 1.5 on the cable side from the insulating support 2 a vent hole 6 in the latter with the plug side Recess 1.6 of the plug head 1 is connected. The The diameter of the vent hole 6 is selected such that sufficient on both end faces of the insulating material support 2 free cross section remains.

Die Ausführungsform des Steckverbinders gemäß Fig. 3 unterscheidet sich von derjenigen gemäß den Fig. 1a bis 1c nur durch einen Entlüftungskanal 7, der in Form einer Längsnut in den in der Isolierstoffstütze 2 sitzenden Körper des Steckverbinderinnenleiters 3 ausgebildet ist. The embodiment of the connector according to FIG. 3 differs differs from that according to FIGS. 1a to 1c only through a ventilation channel 7, which is in the form of a longitudinal groove in the body of the seated in the insulating support 2 Connector inner conductor 3 is formed.

Auch bei den Ausführungsformen nach Fig. 2 und nach Fig. 3 ist es vorteilhaft, wenn die axiale Bohrung 3.2 des Steckverbinderinnenleiters 3 auf der Steckseite in einer Öffnung mündet, die sich bei ordnungsgemäßer Verlötung mit geschmolzenem und wiedererstarrtem Lot füllt, was sich visuell leicht kontrollieren läßt.Also in the embodiments according to FIG. 2 and according to FIG. 3 it is advantageous if the axial bore 3.2 of the Connector inner conductor 3 on the mating side in one Opening that opens with proper soldering molten and re-solidified solder fills what itself can be visually checked easily.

Die Fig. 4a bis 4c zeigen eine vierte, etwas vereinfachte Ausführungsform des Steckverbinders analog der Darstellung der ersten Ausführungsform in Fig. 1a bis 1c. Im Unterschied zu der ersten Ausführungsform ist das Lotdepot 5 nicht am Grund der Bohrung 3.2 des Steckverbinderinnenleiters 3 angeordnet sondern in einem Bereich 3.3 erweiterten Durchmessers am kabelseitigen Eingang der Bohrung 3.2, die an ihrem steckseitigen Ende in einen Kanal 3.4 vergrößerten Durchmessers übergeht. Der Kanal 3.4 hat den Zweck, von der Steckseite her visuell kontrollieren zu können, dass mindestens der Übergangsbereich zwischen dem Ende der Bohrung 3.2 und dem Beginn des Kanals 3.4 nach erfolgter Verlötung mit Lötzinn überzogen ist, die Verlötung also ordnungsgemäß stattgefunden hat. In analoger Weise ist das Lotdepot 4 zur Herstellung einer Lötverbindung zwischen dem Kabelaußenleiter 10 und dem Steckerkopf 1 nicht mehr in einer Ringnut sondern in einem Bereich 41.4 angebracht, der als stufenförmige Erweiterung der kabelseitigen Ausnehmung 1.2 des Steckerkopfes 1 ausgebildet ist. Der Vorteil dieser Ausführungsform besteht darin, dass sie fertigungstechnisch einfacher herzustellen ist als die Ausführungsformen nach den Fig. 1 bis 3. Ein weiterer Unterschied zu jenen Ausführungsformen besteht darin, dass während des Verlötens keine Relativverschiebung zwischen dem Kabel und dem Steckverbinder stattfindet.4a to 4c show a fourth, somewhat simplified Embodiment of the connector analogous to the illustration the first embodiment in Fig. 1a to 1c. The difference to the first embodiment, the solder depot is 5 not at the bottom of hole 3.2 of the connector inner conductor 3 arranged but expanded in an area 3.3 Diameter at the cable entry of the bore 3.2, the enlarged at its plug end into a channel 3.4 Diameter passes. Channel 3.4 has the purpose of To be able to visually check the mating side that at least the transition area between the end of the hole 3.2 and the beginning of channel 3.4 after soldering is coated with solder, so the soldering properly has taken place. In an analogous manner, the solder depot 4 is Establish a soldered connection between the outer cable 10 and the plug head 1 no longer in an annular groove but installed in an area 41.4, which is called a step-shaped Extension of the cable-side recess 1.2 of the Plug head 1 is formed. The advantage of this embodiment is that they're manufacturing is easier to manufacture than the embodiments according to 1 to 3. Another difference from those embodiments is that while soldering no relative displacement between the cable and the connector takes place.

Claims (11)

Koaxialer Steckverbinder, dessen Steckerkopf (1) kabelseitig eine Ausnehmung (1.2) zur Aufnahme, Kontaktierung und Abfangung des Endes des Außenleiters (10) eines Koaxialkabels hat, deren Boden (13) mittig einen Durchgang (1.4) zu einer steckseitigen Ausnehmung (1.6) hat, in der beabstandet zu dem Boden (1.3) eine Isolierstoffstütze (2) sitzt, die einen Steckverbinderinnenleiter (3) haltert, der kabelseitig eine axiale Bohrung (3.2) zur Einführung des Endes des Innenleiters (12) des Koaxialkabels hat, dadurch gekennzeichnet, dass in der axialen Bohrung (3.2) des Steckverbinderinnenleiters (3) ein Lotdepot (5) angeordnet ist.Coaxial connector, the plug head (1) of which has a recess (1.2) on the cable side for receiving, contacting and supporting the end of the outer conductor (10) of a coaxial cable, the bottom (13) of which has a central passage (1.4) to a recess (1.6) on the plug side , in which an insulating support (2) sits at a distance from the floor (1.3) and which holds an internal connector conductor (3) which has an axial bore (3.2) on the cable side for introducing the end of the inner conductor (12) of the coaxial cable, characterized in that A solder depot (5) is arranged in the axial bore (3.2) of the connector inner conductor (3). Steckverbinder nach Anspruch 1, dadurch gekennzeichnet, dass von dem Raum (1.5) zwischen dem Boden (1.3) der kabelseitigen Ausnehmung (1.2) des Steckerkopfes (1) und der Isolierstoffstütze (2) eine Entlüftungsbohrung abgeht.Plug connector according to claim 1, characterized in that a ventilation hole extends from the space (1.5) between the bottom (1.3) of the cable-side recess (1.2) of the plug head (1) and the insulating material support (2). Steckverbinder nach Anspruch 2, dadurch gekennzeichnet, dass die Entlüftungsbohrung als axiale Verlängerung der axialen Bohrung (3.2) des Steckverbinderinnenleiters (3) ausgebildet ist.Connector according to claim 2, characterized in that the vent hole is designed as an axial extension of the axial hole (3.2) of the connector inner conductor (3). Steckverbinder nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Isolierstoffstütze (2) eine Entlüftungsbohrung (6) hat.Connector according to one of claims 1 to 3, characterized in that the insulating support (2) has a vent hole (6). Steckverbinder nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der in der Isolierstoffstütze (2) sitzende Körper des Steckverbinderinnenleiters (3) eine Längsnut (7) als Entlüftungskanal hat.Connector according to one of claims 1 to 4, characterized in that the body of the connector inner conductor (3) seated in the insulating material support (2) has a longitudinal groove (7) as a ventilation channel. Steckverbinder nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Steckerkopf eine Entlüftungsbohrung hat, die in den Raum kabelseitig von der Isolierstoffstütze mündet.Connector according to one of claims 1 to 5, characterized in that the plug head has a vent hole which opens into the space on the cable side of the insulating material support. Steckverbinder nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass in der kabelseitigen Ausnehmung (1.2) des Steckerkopfes (1) ein Lotdepot (4) angeordnet ist.Connector according to one of claims 1 to 6, characterized in that a solder depot (4) is arranged in the cable-side recess (1.2) of the plug head (1). Steckverbinder nach Anspruch 7, dadurch gekennzeichnet, dass zumindest das Lotdepot (4) in der kabelseitigen Ausnehmung (1.2) des Steckerkopfes (1) als einlegbares Formteil ausgebildet ist.Connector according to claim 7, characterized in that at least the solder depot (4) in the cable-side recess (1.2) of the plug head (1) is designed as an insertable molded part. Steckverbinder nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass das Lotdepot (4) in der kabelseitigen Ausnehmung (1.2) des Steckerkopfes (1) in einer in die Innenwand der Ausnehmung (1.2) eingestochenen Ringnut (1.4) angeordnet ist.Connector according to claim 7 or 8, characterized in that the solder depot (4) is arranged in the cable-side recess (1.2) of the plug head (1) in an annular groove (1.4) pierced into the inner wall of the recess (1.2). Verfahren zum Verlöten eines Steckverbinders mit dem Ende eines Koaxialkabels, nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass mindestens eines der Lotdepots nach dem Einführen des Endes des Koaxialkabels mit passend überstehendem Kabelinnenleiter erwärmt wird, um eine Lötverbindung herzustellen.Method for soldering a connector to the end of a coaxial cable, according to one of claims 1 to 9, characterized in that at least one of the solder deposits is heated after inserting the end of the coaxial cable with a protruding inner cable conductor to make a solder connection. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass mindestens eines der Lotdepots mittels einer Induktionsschleife erwärmt wird.A method according to claim 10, characterized in that at least one of the solder deposits is heated by means of an induction loop.
EP20020024843 2001-11-17 2002-11-07 Coaxial solder connector and method to connect it to a coaxial cable Expired - Lifetime EP1313170B1 (en)

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EP06017179A EP1724877B1 (en) 2001-11-17 2002-11-07 Coaxial solder connector and method to connect it to a coaxial cable

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DE10156606 2001-11-17

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EP06017179.0 Division-Into 2006-08-17

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WO2015000749A1 (en) * 2013-07-04 2015-01-08 Huber+Suhner Ag Connector for high frequency coaxial cable
WO2019160703A1 (en) * 2018-02-19 2019-08-22 Watlow Electric Manufacturing Company Compact robust connector assembly for high voltage electrical heaters
CN113594770A (en) * 2021-06-25 2021-11-02 西安空间无线电技术研究所 Quick exhaust structure of high-power coaxial cable subassembly

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DE10355779B3 (en) * 2003-11-26 2005-06-16 Ims Connector Systems Gmbh Two-part connector for two lengths of high-frequency co-axial cable has prepared deposit of cold solder metal in feed passage to core
DE102005048330A1 (en) 2005-10-08 2007-04-19 Daimlerchrysler Ag Drive system for an electric machine
DE102008012251A1 (en) 2008-03-03 2009-09-10 Tefkom Gmbh Coaxial plug connector i.e. high frequency plug connector, for e.g. coupler, has plug connector insert moved opposite to plug connector body in installation condition in axial direction, where insert is secured in body by rings and disk
DE102010014154B4 (en) 2010-04-08 2011-12-15 Kathrein-Werke Kg Wall-shaped RF module
DE102012110217B4 (en) 2012-10-25 2016-03-24 Ims Connector Systems Gmbh Coaxial cable socket with solder deposit and method of manufacture
DE102013100438B3 (en) * 2013-01-16 2014-07-17 Telegärtner Karl Gärtner GmbH Coaxial cable connector with solder depot
DE102015003579A1 (en) 2015-03-19 2016-09-22 Kathrein-Werke Kg RF connector for solderless contacting of a coaxial cable
DE102015006070B3 (en) 2015-05-07 2016-06-23 Kathrein-Werke Kg Connection connection with an RF conductor, in particular for a coaxial cable and method for producing this connection connection
DE102021132574B3 (en) 2021-12-09 2022-11-24 Telegärtner Karl Gärtner GmbH COAXIAL CONNECTOR

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WO2015000749A1 (en) * 2013-07-04 2015-01-08 Huber+Suhner Ag Connector for high frequency coaxial cable
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CN113594770A (en) * 2021-06-25 2021-11-02 西安空间无线电技术研究所 Quick exhaust structure of high-power coaxial cable subassembly

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EP1724877A3 (en) 2007-07-11
DE10251905C5 (en) 2012-06-14
DE50208326D1 (en) 2006-11-16
DE10251905A1 (en) 2003-07-24
EP1724877A2 (en) 2006-11-22
EP1313170B1 (en) 2006-10-04
EP1724877B1 (en) 2012-08-15

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