EP1683235B1 - Connection between a coaxial cable and a connector and method for producing the same - Google Patents
Connection between a coaxial cable and a connector and method for producing the same Download PDFInfo
- Publication number
- EP1683235B1 EP1683235B1 EP04764793A EP04764793A EP1683235B1 EP 1683235 B1 EP1683235 B1 EP 1683235B1 EP 04764793 A EP04764793 A EP 04764793A EP 04764793 A EP04764793 A EP 04764793A EP 1683235 B1 EP1683235 B1 EP 1683235B1
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- European Patent Office
- Prior art keywords
- contact sleeve
- shield
- dielectric
- subsection
- coaxial cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000007765 extrusion coating Methods 0.000 claims abstract 8
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000011888 foil Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000009954 braiding Methods 0.000 claims 2
- 239000012774 insulation material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000005538 encapsulation Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 3
- 238000007788 roughening Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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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
- H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
-
- 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
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/24—Assembling by moulding on contact members
Definitions
- the invention relates to a coaxial cable, in particular for the shielded transmission of high-frequency signals, according to claim 1 and a method for producing such a coaxial cable according to claim 8.
- Coaxial cables are often used to transmit high-frequency antenna signals in motor vehicles and are usually used in this application in large quantities. For cost-effective provision of appropriate coaxial cable, a simple structure and easy assembly is of great importance.
- connectors are mounted on the cable ends.
- a strain relief must be provided, which protects the electrically effective contacts of the connector components with the lines from excessive mechanical tensile loads.
- many crimp connections are used.
- EP 0 118 168 A1 describes a connector for a multi-pole shielded cable, in which a sleeve for contacting with a braided shield is inserted into the interior of the tubular braided shield. For mechanical fastening, or for the purpose of strain relief, a crimped connection is made using a separate further outer sleeve.
- a connector for a single-pole coaxial cable in which also formed as a metal mesh screen is contacted with its inside with a sleeve. On the outside of the screen, a further sleeve is arranged, which is to ensure a mechanical strain relief of the contact point by a crimp connection.
- US 4 173 385 describes a monopolar coaxial cable having a dielectric surrounding electrically conductive shield comprising a metal mesh and an electrically conductive foil, and wherein the connector is interposed between the dielectric and the shield.
- an object of the invention to provide a connection between, a coaxial cable and a connector, which is manufacturable with low production costs, and has a high quality and robustness.
- an inexpensive method for producing and assembling such a coaxial cable is provided by the invention.
- a contact sleeve between a screen and a dielectric is pushed or introduced during the attachment of a connector which forms one end of a coaxial cable.
- the contact sleeve is arranged such that it encloses the dielectric in a part section on the one hand and on the other hand is enclosed by the screen.
- an encapsulation is made. In this way, it is possible to dispense with a crimp connection or any other further measure for strain relief between the shield and the contact sleeve.
- the outer contour of the encapsulation on different distances to a soul of the coaxial cable so that form-fit forces can be transmitted to a housing of a secondary lock by this outer contour.
- enclose is not to be understood in the following as meaning that a layer which encloses another layer in the cable structure necessarily touches the other layer. Rather, an intermediate layer can be arranged between two layers, one of which encloses the other.
- FIG. 1 shows a longitudinal sectional view of a coaxial cable at the beginning of production.
- the single-pole coaxial cable has a core 1, which consists of an inner wire 1.1 and an inner contact 1.2.
- the inner wire 1.1 in turn consists of seven wires and is enclosed by an electrically non-conductive dielectric 2.
- This dielectric 2 is in turn surrounded by a screen 3, wherein the two-layer screen 3 comprises an electrically conductive foil 3.1, in the illustrated embodiment made of aluminum, and a metal mesh 3.2.
- These two layers of the screen 3 are enclosed by a jacket 4, which simultaneously represents the outer layer of the coaxial cable, and consists of a PVC-based material.
- the screen 3 and the jacket 4 are cut to length so that the dielectric 2 protrudes with respect to the screen 3 and the jacket 4. Furthermore, the inner wire 1.1 projects out of the dielectric 2.
- the inner contact 1.2 is mechanically and electrically contacted with a crimp connection.
- the inner wire 1.1 partially encompassing plastically deformed retaining webs of the inner contact 1.2 not visible.
- the connector in the illustrated embodiment, a socket, comprises a one-piece electrically conductive contact sleeve 5 made of metal, which consists inter alia of a substantially hollow cylindrical section 5.1, the outer surface was roughened 5.3 by setting grain points. Alternatively, a roughening by indentations or corrugations or knurls can be made.
- the contact sleeve 5 has a widened portion in the after installation a plug is inserted. Within the widened portion is an insulating body 5.2 made of plastic. The wall thickness of the contact sleeve 5 decreases towards the end, which is opposite to the widened portion. This conical configuration, which is achieved by oblique turning off the outer surface of the corresponding end of the contact sleeve 5, there leads quasi to an annular circumferential cutting edge.
- the contact sleeve 5 is pushed onto the protruding dielectric 2.
- the inner diameter of the contact sleeve 5 in the corresponding contact region is dimensioned such that the contact sleeve 5 is displaceable radially without play on the dielectric 2 in the axis-parallel direction X.
- the contact sleeve 5 in the direction parallel to the axis X between the screen 3 and dielectric 2, inserted or introduced.
- the inner surface of the first section 5.1 of the contact sleeve 5 slides on the outer surface of the dielectric 2, so that the dielectric 2 serves as a guide for the contact sleeve 5 to be displaced.
- the outside of the section 5.1 of the contact sleeve 5 slides along the film 3.1, wherein the film is partially pushed together 3.1 due to the shear forces generated.
- the metal mesh 3.2 and the jacket 4 are slightly widened in the corresponding area. By this deformation arise radially aligned forces which press the screen 3 against the contact sleeve 5, so that the film 3.1 or the metal mesh 3.2 are contacted electrically securely with the contact sleeve 5. Further, a higher holding or Abziehkraft the contact sleeve 5 is achieved by the roughening or by the grain points of the outer surface of the section 5.1 of the contact sleeve 5.
- the smooth film 3.1 as part of the screen 3 has at this point the advantage that a convenient and easy insertion of the contact sleeve 5 relative to the screen 3 is possible.
- the film 3.1 has advantages not only in terms of mounting, it is also provided in the cable construction to act as an additional shielding attenuation during operation of the coaxial cable.
- the contact sleeve 5 After the introduction of the contact sleeve 5 between the screen 3 and the dielectric 2, according to FIG. 2, the contact sleeve 5 encloses the dielectric 2 in a section 5.1 on the one hand and is enclosed by the screen 3 on the other hand.
- the contact sleeve 5 touches in this embodiment, both the metal mesh 3.2 and the film 3.1.
- the contact sleeve 5 is moved in the X direction and the inner contact 1.2 is introduced into the central bore of the insulating 5.2.
- an insulating material in the embodiment shown, a glass-fiber reinforced PP material, as encapsulation 6 applied to the jacket 4 and the contact sleeve 5 by means of an injection molding process.
- the encapsulation 6 adheres excellently to the contact sleeve 5, made of metal and the jacket 4, which, as already described, is based on a PVC material.
- After cooling of the encapsulation 6 thus a very good mechanical connection of the molded parts is achieved, so that the encapsulation 6 serves as a strain relief of the contacting of the section 5.1 with the screen 3, or the contact sleeve 5 relative to the screen 3 in Sense of strain relief is fixed. For this reason, no further measure, or device for strain relief must be provided.
- the encapsulation 6 is geometrically designed so that circumferential ribs 6.1 are provided on the outside.
- the outer contour of the encapsulation 6 accordingly has different distances r offset in the axis-parallel direction X; R to the inner wire 1.1 and the soul 1 on.
- the encapsulation 6 serves not only as a strain relief element, but also for receiving a Umgeophuses.
- a housing is used to securely hold together a connection of two connectors.
- axially parallel forces parallel to X
- the ribs 6.1 thus serve for the positive transmission of axially parallel forces, wherein the connection between the housing and coaxial cable is torsion-free.
- Such a coaxial cable with connector is particularly suitable for use in motor vehicles for transmitting high-frequency signals, such as antenna signals, in the range of 4 GHz. Due to the structure, in particular by the sealing and mechanically resilient encapsulation coaxial cable according to the invention are particularly robust and of high quality.
- the invention is not limited to coaxial cable whose connector is aligned in extension of the soul 1 and along the axis X, the invention also includes coaxial cable with an angle connector.
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- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
Abstract
Description
Die Erfindung betrifft ein Koaxialkabel, insbesondere zur geschirmten Übertragung von Hochfrequenzsignalen, gemäß dem Anspruch 1 und ein Verfahren zur Herstellung eines derartigen Koaxialkabels gemäß dem Anspruch 8.The invention relates to a coaxial cable, in particular for the shielded transmission of high-frequency signals, according to
Koaxialkabel dienen häufig zur Übertragung von hoch-frequenten Antennensignalen in Kraftfahrzeugen und werden in dieser Anwendung meist in großen Stückzahlen eingesetzt. Zur kostengünstigen Bereitstellung entsprechender Koaxialkabel ist ein einfacher Aufbau und eine einfache Konfektionierbarkeit von großer Bedeutung.Coaxial cables are often used to transmit high-frequency antenna signals in motor vehicles and are usually used in this application in large quantities. For cost-effective provision of appropriate coaxial cable, a simple structure and easy assembly is of great importance.
Häufig werden an den Kabelenden Steckverbinder montiert. In diesem Zusammenhang muss üblicherweise eine Zugentlastung vorgesehen werden, welche die elektrisch wirksamen Kontaktierungen der Steckverbinderbauteile mit den Leitungen vor übermäßigen mechanischen Zugbelastungen schützt. Zu diesem Zweck werden beispielsweise vielfach Crimpverbindungen eingesetzt.Frequently, connectors are mounted on the cable ends. In this context, usually a strain relief must be provided, which protects the electrically effective contacts of the connector components with the lines from excessive mechanical tensile loads. For this purpose, for example, many crimp connections are used.
In der EP 0 118 168 A1 wird ein Steckverbinder für ein mehrpoliges geschirmtes Kabel beschrieben, bei dem eine Hülse zur Kontaktierung mit einem Schirmgeflecht in den Innenraum des schlauchförmigen Schirmgeflechts eingeschoben wird. Zur mechanischen Befestigung, bzw. zum Zwecke der Zugentlastung wird eine Crimpverbindung unter Verwendung einer separaten weiteren äußeren Hülse hergestellt.EP 0 118 168 A1 describes a connector for a multi-pole shielded cable, in which a sleeve for contacting with a braided shield is inserted into the interior of the tubular braided shield. For mechanical fastening, or for the purpose of strain relief, a crimped connection is made using a separate further outer sleeve.
Aus der US 4 131 332 ist ein Steckverbinder für ein einpoliges Koaxialkabel bekannt, bei dem ebenfalls der als Metallgeflecht ausgebildete Schirm mit seiner Innenseite mit einer Hülse kontaktiert ist. An der Außenseite des Schirms ist eine weitere Hülse angeordnet, welche durch eine Crimpverbindung eine mechanische Zugentlastung der Kontaktstelle gewährleisten soll.From US 4,131,332 a connector for a single-pole coaxial cable is known in which also formed as a metal mesh screen is contacted with its inside with a sleeve. On the outside of the screen, a further sleeve is arranged, which is to ensure a mechanical strain relief of the contact point by a crimp connection.
Die US 4 173 385 beschreibt ein einpoliges Koaxialkabel mit einem das Dielektrikum umschließenden, elektrisch leitenden Schirm, der ein Metallgeflecht und eine elektrisch leitende Folie umfasst und wobei der Steckverbinder zwischen dem Dielektrikum und dem Schirm eingefügt ist.US 4 173 385 describes a monopolar coaxial cable having a dielectric surrounding electrically conductive shield comprising a metal mesh and an electrically conductive foil, and wherein the connector is interposed between the dielectric and the shield.
Die vorbekannten Kabel haben unter anderem den Nachteil, dass sie nur vergleichsweise aufwändig herstellbar sind und aus relativ vielen Einzelheiten bestehen.The previously known cables have, inter alia, the disadvantage that they can only be produced comparatively complex and consist of relatively many details.
Erfindungsgemäß liegt daher die Aufgabe zugrunde, eine Verbindung zwischen, einem Koaxialkabel und einem Steckverbinder zu schaffen, welches mit geringem Herstellungsaufwand fertigbar ist, und eine hohe Qualität und Robustheit aufweist. Ebenso wird durch die Erfindung ein kostengünstiges Verfahren zur Herstellung und Konfektionierung eines derartigen Koaxialkabels bereitgestellt.According to the invention therefore an object of the invention to provide a connection between, a coaxial cable and a connector, which is manufacturable with low production costs, and has a high quality and robustness. Likewise, an inexpensive method for producing and assembling such a coaxial cable is provided by the invention.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 bzw. des Anspruches 6 gelöst.This object is achieved by the features of
Erfindungsgemäß wird bei der Anbringung eines Steckverbinders, der ein Ende eines Koaxialkabels bildet, eine Kontakthülse zwischen einen Schirm und ein Dielektrikum geschoben bzw. eingebracht. Dabei ist die Kontakthülse derart angeordnet, dass sie in einem Teilabschnitt einerseits das Dielektrikum umschließt und andererseits vom Schirm umschlossen ist. Zum Zwecke der Zugentlastung wird eine Umspritzung vorgenommen. Auf diese Weise kann auf eine Crimpverbindung oder auf eine sonstige weitere Maßnahme zur Zugentlastung zwischen dem Schirm und der Kontakthülse verzichtet werden.According to the invention, a contact sleeve between a screen and a dielectric is pushed or introduced during the attachment of a connector which forms one end of a coaxial cable. In this case, the contact sleeve is arranged such that it encloses the dielectric in a part section on the one hand and on the other hand is enclosed by the screen. For the purpose of strain relief an encapsulation is made. In this way, it is possible to dispense with a crimp connection or any other further measure for strain relief between the shield and the contact sleeve.
In einer bevorzugten Ausgestaltung der Erfindung weist die Außenkontur der Umspritzung unterschiedliche Abstände zu einer Seele des Koaxialkabels auf, so dass durch diese Außenkontur formschlüssig Kräfte auf ein Umgehäuse einer Sekundärverriegelung übertragen werden können.In a preferred embodiment of the invention, the outer contour of the encapsulation on different distances to a soul of the coaxial cable, so that form-fit forces can be transmitted to a housing of a secondary lock by this outer contour.
Der Begriff "umschließen" ist im Weiteren nicht so zu verstehen, dass eine Lage, welche eine andere Lage im Kabelaufbau umschließt zwingend die andere Lage berührt. Vielmehr kann zwischen zwei Lagen, von denen die eine die andere umschließt auch eine Zwischenschicht angeordnet sein.The term "enclose" is not to be understood in the following as meaning that a layer which encloses another layer in the cable structure necessarily touches the other layer. Rather, an intermediate layer can be arranged between two layers, one of which encloses the other.
Unter Steckverbinder sind im Folgenden elektrische Kupplungen zu verstehen, die sowohl als Stecker, als auch als Buchsen ausgebildet sein können.Under connectors are to be understood below electrical couplings that can be configured both as a plug, as well as sockets.
Vorteilhafte Ausbildungen der Erfindung entnimmt man den abhängigen Ansprüchen.Advantageous embodiments of the invention will remove the dependent claims.
Weitere Einzelheiten und Vorteile des erfindungsgemäßen Koaxialkabels, sowie des entsprechenden Herstellungsverfahrens ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der beiliegenden Figuren.Further details and advantages of the coaxial cable according to the invention, as well as the corresponding manufacturing method will become apparent from the following description of an embodiment with reference to the accompanying figures.
Es zeigen die
Figur 1- eine Längsschnittdarstellung eines Koaxialkabels in einem ersten Herstellungsschritt,
Figur 2- eine Längsschnittdarstellung des Koaxialkabels in einem zweiten Herstellungsschritt,
- Figur 3a
- eine Längsschnittdarstellung des fertiggestellten Koaxialkabels,
- Figur 3b
- eine Frontansicht des fertiggestellten Koaxialkabels.
- FIG. 1
- a longitudinal sectional view of a coaxial cable in a first manufacturing step,
- FIG. 2
- a longitudinal sectional view of the coaxial cable in a second manufacturing step,
- FIG. 3a
- a longitudinal sectional view of the finished coaxial cable,
- FIG. 3b
- a front view of the finished coaxial cable.
In der Figur 1 ist eine Längsschnittdarstellung eines Koaxialkabels zu Beginn der Herstellung gezeigt. Das einpolige Koaxialkabel weist eine Seele 1 auf, die aus einer Innenader 1.1 und einem Innenkontakt 1.2 besteht. Die Innenader 1.1 besteht ihrerseits aus sieben Drähten und ist von einem elektrisch nicht-leitendem Dielektrikum 2 umschlossen. Dieses Dielektrikum 2 ist wiederum von einem Schirm 3 umgeben, wobei der zweilagige Schirm 3 eine elektrisch leitende Folie 3.1, im vorgestellten Ausführungsbeispiel aus Aluminium, und ein Metallgeflecht 3.2 umfasst. Diese beiden Lagen des Schirms 3 werden von einem Mantel 4 umschlossen, welcher gleichzeitig die Außenlage des Koaxialkabels darstellt, und aus einem Material auf PVC-Basis besteht. Vor Beginn der Anbringung eines Steckverbinders werden der Schirm 3 und der Mantel 4 derart abgelängt, dass das Dielektrikum 2 bezüglich des Schirms 3 und dem Mantel 4 hervorsteht. Ferner ragt die Innenader 1.1 aus dem Dielektrikum 2 heraus.FIG. 1 shows a longitudinal sectional view of a coaxial cable at the beginning of production. The single-pole coaxial cable has a
An der hervorstehenden Innenader 1.1 wird zunächst der Innenkontakt 1.2 mit einer Crimpverbindung mechanisch und elektrisch kontaktiert. In den Figuren sind, bedingt durch die Schnittdarstellung, die die Innenader 1.1 teilweise umgreifenden plastisch verformten Haltestege des Innenkontakts 1.2 nicht sichtbar.On the protruding inner wire 1.1, first, the inner contact 1.2 is mechanically and electrically contacted with a crimp connection. In the figures, due to the sectional view, the inner wire 1.1 partially encompassing plastically deformed retaining webs of the inner contact 1.2 not visible.
Der Steckverbinder, im gezeigten Ausführungsbeispiel eine Buchse, umfasst eine einstückige elektrisch leitende Kontakthülse 5 aus Metall, die unter anderem aus einem im Wesentlichen hohlzylindrischen Teilabschnitt 5.1 besteht, dessen Außenfläche 5.3 durch Setzen von Körnerpunkten aufgeraut wurde. Alternativ hierzu kann auch eine Aufrauung durch Einkerbungen oder Riffelungen bzw. Rändelungen vorgenommen werden. Darüber hinaus weist die Kontakthülse 5 einen aufgeweiteten Teilbereich auf, in den nach erfolgter Montage ein Stecker einführbar ist. Innerhalb des aufgeweiteten Teilbereichs befindet sich ein Isolierkörper 5.2 aus Kunststoff. Die Wandstärke der Kontakthülse 5 nimmt zu dem Ende hin ab, welches dem aufgeweiteten Teilbereich gegenüberliegt. Diese konische Ausgestaltung, die durch schräges Abdrehen der Außenfläche des entsprechenden Endes der Kontakthülse 5 erreicht wird, führt dort quasi zu einer ringförmigen umlaufenden Schneidkante.The connector, in the illustrated embodiment, a socket, comprises a one-piece electrically
Im Zuge der Montage, bzw. der Konfektionierung, des Koaxialkabels wird die Kontakthülse 5 auf das hervorstehende Dielektrikum 2 aufgeschoben. Zu diesem Zweck ist der Innendurchmesser der Kontakthülse 5 in dem entsprechenden Berühr-Bereich so bemessen, dass die Kontakthülse 5 radial spielfrei auf dem Dielektrikum 2 in achsparalleler Richtung X verschiebbar ist.In the course of assembly, or the assembly of the coaxial cable, the
Danach wird die Kontakthülse 5 in achsparalleler Richtung X zwischen Schirm 3 und Dielektrikum 2, eingeschoben bzw. eingebracht. Dabei gleitet die Innenfläche des ersten Teilabschnittes 5.1 der Kontakthülse 5 auf der Außenfläche des Dielektrikums 2, so dass das Dielektrikum 2 als Führung für die zu verschiebende Kontakthülse 5 dient. Die Außenseite des Teilabschnittes 5.1 der Kontakthülse 5 gleitet entlang der Folie 3.1, wobei die Folie 3.1 infolge der erzeugten Scherkräfte teilweise zusammengeschoben wird.Thereafter, the
Das Metallgeflecht 3.2 und der Mantel 4 werden in dem entsprechendem Bereich leicht aufgeweitet. Durch diese Verformung entstehen radial ausgerichtete Kräfte, welche den Schirm 3 gegen die Kontakthülse 5 drücken, so dass die Folie 3.1 bzw. das Metallgeflecht 3.2 sicher elektrisch leitend mit der Kontakthülse 5 kontaktiert werden. Ferner wird durch die Aufrauungen bzw. durch die Körnerpunkte der Außenfläche des Teilabschnittes 5.1 der Kontakthülse 5 eine höhere Halte- bzw. Abziehkraft der Kontakthülse 5 erreicht.The metal mesh 3.2 and the
Die Verwendung der glatten Folie 3.1 als Bestandteil des Schirms 3 hat an dieser Stelle den Vorteil, dass ein bequemes und einfaches Einführen der Kontakthülse 5 relativ zum Schirm 3 möglich ist. Die Folie 3.1 hat aber nicht nur bezüglich der Montage Vorteile, sie ist im Kabelaufbau auch vorgesehen, um im Betrieb des Koaxialkabels als zusätzliche Schirmdämpfung zu wirken.The use of the smooth film 3.1 as part of the
Durch die oben beschrieben Maßnahmen, insbesondere durch das Hervorstehen des Dielektrikums 2 und die Verwendung der Folie 3.1 als Berührschicht zur Kontakthülse 5 wird die Montage vereinfacht und die Montagezeit signifikant verkürzt.By the measures described above, in particular by the emergence of the dielectric 2 and the use of the film 3.1 as a contact layer to the
Nach dem Einbringen der Kontakthülse 5 zwischen Schirm 3 und Dielektrikum 2, umschließt also gemäß der Figur 2 die Kontakthülse 5 in einem Teilabschnitt 5.1 einerseits das Dielektrikum 2 und ist andererseits vom Schirm 3 umschlossen. Die Kontakthülse 5 berührt in diesem Ausführungsbeispiel sowohl das Metallgeflecht 3.2 als auch die Folie 3.1. Gleichzeitig wird durch das Verschieben der Kontakthülse 5 in X-Richtung auch der Innenkontakt 1.2 in die zentrale Bohrung des Isolierkörpers 5.2 eingebracht.After the introduction of the
Im nächsten Herstellungsschritt wird mit Hilfe eines Spritzgussverfahrens ein Isolierstoff, im gezeigten Ausführungsbeispiel ein glasfaser-verstärktes PP-Material, als Umspritzung 6 um den Mantel 4 und die Kontakthülse 5 aufgebracht. Dabei haftet die Umspritzung 6 hervorragend auf der Kontakthülse 5, aus Metall und dem Mantel 4, welcher, wie bereits beschrieben, auf einem PVC-Material basiert. Nach Abkühlung der Umspritzung 6 ist somit eine sehr gute mechanische Verbindung der umspritzten Teile erreicht, so dass die Umspritzung 6 als Zugentlastung der Kontaktierung des Teilabschnitts 5.1 mit dem Schirm 3 dient, bzw. die Kontakthülse 5 relativ zum Schirm 3 im Sinne einer Zugentlastung fixiert ist. Aus diesem Grund muss keine weitere Maßnahme, bzw. Vorrichtung zur Zugentlastung vorgesehen werden. Insbesondere kann an dieser Stelle auf eine Crimpverbindung verzichtet werden, wodurch die Monatgezeit merklich verkürzt und gleichzeitig die Anzahl der Teile des Koaxialkabels reduziert wird, was den Gesamtaufwand zur Herstellung eines Koaxialkabels mit Steckverbinder wesentlich verringert.In the next manufacturing step, an insulating material, in the embodiment shown, a glass-fiber reinforced PP material, as
Die Umspritzung 6 ist geometrisch so ausgeführt, dass an der Außenseite umlaufende Rippen 6.1 vorgesehen sind. Die Außenkontur der Umspritzung 6 weist demnach an in achsparalleler Richtung X versetzten Stellen unterschiedliche Abstände r; R zur Innenader 1.1 bzw. zur Seele 1 auf. Im gezeigten Ausführungsbeispiel dient die Umspritzung 6 nicht nur als Zugentlastungselement, sondern auch zur Aufnahme eines Umgehäuses. Ein derartiges Umgehäuse wird verwendet, um eine Verbindung aus zwei Steckverbindern sicher zusammenzuhalten. Zu diesem Zweck müssen achsparallele Kräfte (parallel zu X) in die jeweiligen Kabel einleitbar sein. Diese Kräfte werden durch Formschluss zwischen einem in den Figuren nicht gezeigten Umgehäuse- einer Sekundärverriegelung und der Umspritzung 6 übertragen. Die Rippen 6.1 dienen also zur formschlüssigen Übertragung von achsparallelen Kräften, wobei die Verbindung zwischen Umgehäuse und Koaxialkabel torsionsfrei ist.The
Ein derartiges Koaxialkabel mit Steckverbinder eignet sich insbesondere für die Verwendung in Kraftfahrzeugen zur Übertragung von hochfrequenten Signalen, wie etwa Antennensignalen, im Bereich von 4 GHz. Bedingt durch den Aufbau, insbesondere durch die abdichtende und mechanisch belastbare Umspritzung sind die erfindungsgemäßen Koaxialkabel besonders robust und qualitativ hochwertig.Such a coaxial cable with connector is particularly suitable for use in motor vehicles for transmitting high-frequency signals, such as antenna signals, in the range of 4 GHz. Due to the structure, in particular by the sealing and mechanically resilient encapsulation coaxial cable according to the invention are particularly robust and of high quality.
Im Übrigen ist die Erfindung nicht auf Koaxialkabel beschränkt, deren Steckverbinder in Verlängerung der Seele 1 bzw. entlang der Achse X ausgerichtet ist, die Erfindung umfasst auch Koaxialkabel mit einem Winkel-Steckverbinder. Incidentally, the invention is not limited to coaxial cable whose connector is aligned in extension of the
Claims (8)
- Connection comprising a unipolar coaxial cable and a connector, the unipolar coaxial cable comprising- a core (1),- a dielectric (2) enclosing the core (1),- an electroconducting shield (3) enclosing the dielectric (2), the shield (3) comprising metal braiding (3.2) and an electroconducting foil (3.1),- a jacket (4) enclosing the shield (3),the connector comprising a contact sleeve (5) which is contacted in an electroconducting manner in a subsection (5.1) with the shield (3), the subsection (5.1) having a circumferential cut edge and- the contact sleeve (5) being disposed in such a manner that in the subsection (5.1) it encloses, on the one hand, the dielectric (2) and, on the other hand, is enclosed by the shield (3), characterised in that the inner surface of the first subsection (5.1) of the contact sleeve (5) is pushed onto the outer surface of the dielectric (2) in such a manner that also the jacket (4) in the region of the first subsection (5.1) is widened and the cut edge is situated between the dielectric (2) and the foil (3.1), and in that- the contact sleeve (5) is mechanically connected to the jacket (4) of the coaxial cable by means of an extrusion coating (6) with insulating material so that the extrusion coating (6) serves to relieve the strain for the contacting of the subsection (5.1) with the shield (3).
- Connection according to claim 1, the extrusion coating (6) adhering both to the contact sleeve (5) and to the jacket (4).
- Connection according to claim 1 or 2, the contact sleeve (5) being configured in one part.
- Connection according to one of the preceding claims, the subsection (5.1) of the contact sleeve (5) which, on the one hand, encloses the dielectric (2) and, on the other hand, is enclosed by the shield (3) having roughened portions on the outer surface (5.3).
- Connection according to one of the preceding claims, the outer contour of the extrusion coating (6) having offset positions, in a direction (X) parallel to the axis, at various spacings (r, R) from the core (1) for a form-fitting transmission of forces with a direction component parallel to the axis to a surrounding housing of a secondary lock.
- Method for producing a connection between a unipolar coaxial cable and a connector according to one of the claims 1 to 5, the unipolar coaxial cable comprising a dielectric (2), a shield (3) which comprises metal braiding (3.2) and an electroconducting foil (3.1), and a jacket (4) surrounding the shield (3) with the connector disposed on one end of the coaxial cable, which connector comprises a contact sleeve, having the following method steps- inserting, in a direction (X) parallel to the axis, the contact sleeve (5), which has a subsection (5.1) with a circumferential cut edge, between the foil (3.1) and the dielectric (2),- the inner surface of the first subsection (5.1) of the contact sleeve (5) sliding on the outer surface of the dielectric (2) in such a manner that also the jacket (4) is widened in the region of the first subsection (5.1), and- the outer side of the subsection (5.1) of the contact sleeve (5) in the region of the cut edge sliding along the foil (3.1),so that the contact sleeve (5), on the one hand, encloses the dielectric (2) in a subsection (5.1) and, on the other hand, is enclosed by the shield (3) and is in electrical contact with the shield (3),- extrusion coating the jacket (4) and a part of the contact sleeve (5) with insulation material so that the contact sleeve (5) is fixed relative to the shield (3) in the sense of a strain relief.
- Method for producing a connection according to claim 6, before the introduction of the contact sleeve (5), the screen (3) and the jacket (4) being cut to length such that the dielectric (2) protrudes relative to the shield (3) and the jacket (4).
- Method for producing a connection according to claim 6 or 7, the extrusion coating of the connector being undertaken with the help of an injection moulding process.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10350607A DE10350607A1 (en) | 2003-10-30 | 2003-10-30 | Coaxial cable and method for its manufacture |
| PCT/EP2004/009839 WO2005053103A1 (en) | 2003-10-30 | 2004-09-03 | Coaxial cable and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1683235A1 EP1683235A1 (en) | 2006-07-26 |
| EP1683235B1 true EP1683235B1 (en) | 2007-05-30 |
Family
ID=34559245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04764793A Expired - Lifetime EP1683235B1 (en) | 2003-10-30 | 2004-09-03 | Connection between a coaxial cable and a connector and method for producing the same |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20070049112A1 (en) |
| EP (1) | EP1683235B1 (en) |
| CN (1) | CN100452538C (en) |
| AT (1) | ATE363746T1 (en) |
| DE (2) | DE10350607A1 (en) |
| WO (1) | WO2005053103A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI483459B (en) * | 2012-01-16 | 2015-05-01 | Quanta Comp Inc | Embedded antenna |
| DE102012000935A1 (en) * | 2012-01-19 | 2013-07-25 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | data cable |
| CN102683951A (en) * | 2012-05-08 | 2012-09-19 | 昆山嘉华电子有限公司 | Coaxial connector |
| DE102013017095A1 (en) * | 2013-10-15 | 2015-04-16 | Connaught Electronics Ltd. | Vehicle camera with an improved connection device and motor vehicle |
| US9716374B2 (en) | 2014-01-03 | 2017-07-25 | Rohr, Inc. | Systems and methods for electrical harness construction |
| WO2016061271A1 (en) * | 2014-10-14 | 2016-04-21 | Mark James Landes | Shield snipping systems |
| CN105244648B (en) * | 2015-08-27 | 2018-01-16 | 中航光电科技股份有限公司 | The connection component and its fixed cover being connected for wire with printed board |
| DE102016208847C5 (en) | 2016-05-23 | 2020-03-26 | Siemens Healthcare Gmbh | Shielded connection cable for magnetic resonance tomographs |
| DE102018202952A1 (en) * | 2018-02-28 | 2019-08-29 | Robert Bosch Gmbh | Electric cable and connector with such a line |
| DE102019132583A1 (en) * | 2019-12-02 | 2021-06-02 | Auto-Kabel Management Gmbh | Electrical cable and method of manufacturing an electrical cable |
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| GB900277A (en) * | 1960-03-22 | 1962-07-04 | W H Boddington & Company Ltd | Improvements in or relating to electrical connectors |
| DE1162441B (en) * | 1962-01-15 | 1964-02-06 | Georg Spinner Dipl Ing | RF connector for coaxial lines and method for producing such |
| US3781762A (en) * | 1972-06-26 | 1973-12-25 | Tidal Sales Corp | Connector assembly |
| DE2727591A1 (en) * | 1976-06-25 | 1978-01-05 | Bunker Ramo | OUTSIDE CONDUCTOR CONNECTION FOR COAXIAL CONNECTOR |
| US4070751A (en) * | 1977-01-12 | 1978-01-31 | Amp Incorporated | Method of making a coaxial connector |
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| US4173385A (en) * | 1978-04-20 | 1979-11-06 | Bunker Ramo Corporation | Watertight cable connector |
| US4408822A (en) * | 1980-09-22 | 1983-10-11 | Delta Electronic Manufacturing Corp. | Coaxial connectors |
| US4611878A (en) * | 1983-01-31 | 1986-09-16 | Amp Incorporated | Electrical plug connector |
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| US5030122A (en) * | 1989-04-20 | 1991-07-09 | Amp Incorporated | Self terminating connector and cable assembly |
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| US7097499B1 (en) * | 2005-08-18 | 2006-08-29 | John Mezzalingua Associates, Inc. | Coaxial cable connector having conductive engagement element and method of use thereof |
-
2003
- 2003-10-30 DE DE10350607A patent/DE10350607A1/en not_active Withdrawn
-
2004
- 2004-09-03 AT AT04764793T patent/ATE363746T1/en not_active IP Right Cessation
- 2004-09-03 EP EP04764793A patent/EP1683235B1/en not_active Expired - Lifetime
- 2004-09-03 US US10/578,112 patent/US20070049112A1/en not_active Abandoned
- 2004-09-03 DE DE502004003993T patent/DE502004003993D1/en not_active Expired - Lifetime
- 2004-09-03 WO PCT/EP2004/009839 patent/WO2005053103A1/en active IP Right Grant
- 2004-09-03 CN CNB200480032440XA patent/CN100452538C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE502004003993D1 (en) | 2007-07-12 |
| EP1683235A1 (en) | 2006-07-26 |
| US20070049112A1 (en) | 2007-03-01 |
| CN1875524A (en) | 2006-12-06 |
| CN100452538C (en) | 2009-01-14 |
| DE10350607A1 (en) | 2005-06-09 |
| ATE363746T1 (en) | 2007-06-15 |
| WO2005053103A1 (en) | 2005-06-09 |
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