EP2912671A1 - Microwave cable and method for producing and using such a microwave cable - Google Patents

Microwave cable and method for producing and using such a microwave cable

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Publication number
EP2912671A1
EP2912671A1 EP13777098.8A EP13777098A EP2912671A1 EP 2912671 A1 EP2912671 A1 EP 2912671A1 EP 13777098 A EP13777098 A EP 13777098A EP 2912671 A1 EP2912671 A1 EP 2912671A1
Authority
EP
European Patent Office
Prior art keywords
cable
microwave cable
microwave
banding
outer conductor
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.)
Granted
Application number
EP13777098.8A
Other languages
German (de)
French (fr)
Other versions
EP2912671B1 (en
Inventor
Michael RUPFLIN
Matias KLARER
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Huber and Suhner AG
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Huber and Suhner AG
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Publication date
Application filed by Huber and Suhner AG filed Critical Huber and Suhner AG
Publication of EP2912671A1 publication Critical patent/EP2912671A1/en
Application granted granted Critical
Publication of EP2912671B1 publication Critical patent/EP2912671B1/en
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
    • H01B11/1808—Construction of the conductors
    • H01B11/183—Co-axial cables with at least one helicoidally wound tape-conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/016—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/307—Other macromolecular compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/30—Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying alternating current, e.g. due to skin effect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
    • H01P3/06—Coaxial lines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49123—Co-axial cable

Definitions

  • the present invention relates to the field of microwave technology. It relates to a microwave cable according to the preamble of claim 1. It further relates to a method for producing and the use of such a microwave cable.
  • a telephone cable which in addition to a plurality of inner conductors has two mutually insulated outer conductor, which are constructed as bandings of a metal foil.
  • the outer conductors are used for separate transmission of signals.
  • US Pat. No. 2,447,168 discloses a high-frequency cable in which two inner conductors are enclosed by a dielectric and two bandings made of metallized paper are applied to one another on the dielectric.
  • US Pat. No. 6,201,190 shows a coaxial cable in which the dielectric surrounding the inner conductor is enclosed by two film strips lying one above the other.
  • the film strips are designed as aluminum-polyester-aluminum laminates.
  • the insertion loss becomes unstable during bending or twisting as the windings of the tape shift or loosen, and a cable attached to the cable end can not be adapted to such a condition because the tape can be detached after stripping the cable end, and therefore no longer fits tightly.
  • the microwave cable according to the invention which is provided for a frequency range from 0 Hz to at least some 10 Hz, comprises a central inner conductor, a dielectric concentrically surrounding the inner conductor, an outer conductor concentrically surrounding the dielectric, and a microwave conductor concentrically surrounding the outer microwave cable Sheathing.
  • the outer conductor comprises two superposed, electrically conductive banding, that the bandages are each wound in an overlapping manner, and that the bandages are wound progressively in opposite directions.
  • the bandings are wound in opposite directions of rotation.
  • a concentric wire mesh is disposed between the outer conductor and the sheath.
  • a further embodiment of the invention is characterized in that the bandings are each constructed from a metal band.
  • the metal bands have the same width and the same thickness.
  • an embodiment of the inven tion is advantageous in which the microwave cable has an outside diameter of a few millimeters , in particular about 1, 5 mm, the metal strips each have a width of a few millimeters, in particular about 1, 5 mm, and the thickness of the metal strips each a few 1/1 00 mm, in particular about 0.035 mm.
  • Another embodiment of the invention is characterized dad urch that the Metallbän consist of the same material.
  • the metal strips are made of copper and are silvered on the surface.
  • the metal strips are each wound with an overlap of about 45% and with an offset per revolution of about 0.8 mm.
  • the sheathing is made of FEP.
  • the method according to the invention for producing a microwave cable according to the invention comprises the following steps:
  • An embodiment of the method according to the invention is characterized in that the first banding is applied with a first direction of rotation and that the second banding is applied with a second direction of rotation opposite to the first direction of rotation.
  • the microwave cable is used in a connection cable which has a coaxial connector at the ends, wherein its outer conductor is electrically conductively connected to the exposed outer conductor of the microwave cable.
  • the outer conductors of the coaxial connectors are each soldered to the outer conductor of the microwave cable.
  • FIG. 1 shows the cross section through a M ikrowellen cable according to an embodiment of the invention.
  • FIG. 2 shows a connection cable with a microwave cable according to the invention and coaxial connectors attached to the cable ends;
  • FIG. 3A-C show various steps in the production of a microwave cable according to an embodiment of the invention
  • FIG. 4 shows in a section the parameters which determine banding in the microwave cable according to the invention
  • FIG 5 shows the stabilizing effect of the bandages according to the invention during assembly or cutting to length of the microwave cable at both ends.
  • Fig. 1 shows the cross section through a microwave cable 1 0 according to an embodiment of the invention.
  • a central inner conductor 1 1 is arranged, which may for example consist of a silvered copper wire.
  • the inner conductor 1 1 is concentrically surrounded by a dielectric 1 2, for which the usual materials in the H F-technique, for. As PTFE, come into question.
  • the dielectric 1 2 is in the radial direction successively concentrically surrounded by a first banding 1 3 and a second banding 1 4, which will be discussed in more detail.
  • a concentric wire mesh 1 5 which is constructed for example of silver-plated copper wire.
  • This concentric layer arrangement is finally surrounded on the outside by a protective U mmantelung 1 6, which preferably consists of a FEP (Fluorinated Ethylene Propylene).
  • FEP Fluorinated Ethylene Propylene
  • the bandings 1 3, 1 4 are each composed of a metal strip 2 1, 22 (see FIG. 3).
  • the two metal bands 2 1, 22 may be formed fundamentally different in material, thickness and width. However, they preferably have the same width B (see Fig. 4) and the same thickness.
  • the metal bands 2 1, 22 also consist of the same material, preferably of copper, which is silvered on the surface.
  • the microwave cable 1 0 can have an outside diameter D (see Fig. 2) of a few millimeters, in particular about 1.5 mm.
  • the metal strips 21, 22 for the banding 13 and 14 then preferably each have a width B of a few millimeters, in particular about 1, 5 mm.
  • the thickness of the metal strips 21, 22 is then each a few 1/100 mm, in particular about 0.035 mm.
  • the metal strips 21, 22 in the banding 13 and 14 according to Figure 4 each with an overlap of about 45% (overlap area 23) and with one offset per revolution (step size w) of about 0, 8 mm wound.
  • the decisive difference lies in the fact that the overlapping wound stripings 13 and 14 are wound progressively in opposite directions with respect to the cable, as clearly shown in FIG.
  • an output arrangement is first provided from the inner conductor 11 surrounded by the dielectric 12 (FIG. 3A), which may have a predetermined length L, which can be, for example, several kilometers, between a first cable end 19 and a second cable end 20 extends;
  • the lower first banding 13 is applied to this output arrangement 11, 12 by overlapping the output arrangement 11, 12 with a first metal band 21, beginning at the first cable end 19 and progressively (see directional arrow) to the second cable end 20.
  • the sense of rotation when wrapping is in the illustrated example in the direction of arrow counterclockwise.
  • the second bandage 14 is applied by overlapping the initial bandage 13, which is provided with the first bandage 13, with a second metal band 21, beginning at the second cable end 20 and advancing (FIG. see direction arrow) to the first cable end 19.
  • the direction of rotation when wrapping is seen in the example shown in the arrow direction in clockwise direction.
  • microwave cable 10 can be completed by applying further layers (wire mesh 15, sheath 16).
  • the metal bands 21, 22 are preferably made of the same material (silvered Cu film), have the same width B and have the same thickness. With an outer diameter D of the microwave cable of a few millimeters, in particular approximately 1.5 mm, the metal strips 21, 22 preferably each have a width B of a few millimeters, in particular approximately 1.5 mm. Their thickness is preferably in each case a few 1/100 mm, in particular about 0.035 mm.
  • the microwave cable 10 can be assembled or cut to length at both ends on the basis of the specially wound bandings 1 3 and 1 4 and provided with a connector, without unintentional deterioration of the internal banding 1 3 determining the electrical properties Properties occurs.
  • the cable outer conductor consists of two overlapping metal bands, which are not only wound in opposite directions, but are also reversed in the winding direction compared to the prior art.
  • the winding of the second banding begins at the cable end of the first band (wound forward / backward).
  • the oppositely wound banding (double band) with opposite winding direction bring advantages in the assembly: at both ends of the cable is always a winding self-fixing due to Ü overlapping. In the same winding direction or single band, however, only one end of the cable would be self-fixing. Without this self-fixing, the tape is cut when the cable is cut to length, so the diameter becomes larger. A connector assembly is then possible only under the condition that the cable entry of the connector has a sufficiently large diameter. However, then the centering of the cable in the connector over the tape is no longer given, which can lead to impedance deviations and thus H F reflections. In addition, the larger inner diameter of the absorbed banding is also an electrical H F impurity (impedance deviation), resulting in H F reflections. The relaxed band may also cause insertion loss instabilities. • The double belt also provides much more (mechanical) stability than a polymer skin over the belt.
  • the microwave cable can be used for B. in cable assemblies used for test & measurement, especially in the context of multiple coaxial connectors, as described in WO 2009/1 1 1 895 A 1.
  • the invention results in an H F coaxial cable with high requirements for stability of the insertion loss, optimum H F adaptation to the connector, economical assembly and very good shielding attenuation.

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Communication Cables (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Insulated Conductors (AREA)
  • Waveguides (AREA)

Abstract

A microwave cable (10), intended for a frequency range from 0 Hz up to at least a few 10 GHz, comprises a central inner conductor (11), a dielectric (12) concentrically surrounding the inner conductor, an outer conductor (13, 14) concentrically enclosing the dielectric (12), and a sheathing concentrically enclosing the microwave cable (10) externally. Stable electrical and mechanical properties, particularly when making up cables, are achieved in that the outer conductor has two electrically conducting bands (13, 14) wound over each other, in that the bands (13, 14) are each wound in an overlapping manner and in that the bands (13, 14) are wound progressively in opposite directions.

Description

Mikrowellenkabel sowie Verfahren zum Herstellen und Anwendung eines solchen Mikrowellenkabels  Microwave cable and method for making and using such a microwave cable
TECH N ISCH ES GEBI ET Die vorliegende Erfindung bezieht sich auf das Gebiet der M ikrowellentechnik. Sie betrifft ein M ikrowellenkabel gemäss dem Oberbeg riff des Anspruchs 1 . Sie betrifft weiterhin ein Verfahren zum Herstellen sowie die Anwendung eines solchen M ikrowellenkabels.  TECHNICAL FIELD The present invention relates to the field of microwave technology. It relates to a microwave cable according to the preamble of claim 1. It further relates to a method for producing and the use of such a microwave cable.
STAN D DER TECH N I K STATE OF THE ART
Aus der Technik der Kabel ist eine Vielzahl von Lösungen bekannt, wie ein solches Kabel, wenn es Innenleiter und Aussenleiter umfasst, aufgebaut sein kann. From the technology of cables, a variety of solutions are known, such as such a cable, if it includes inner conductor and outer conductor, may be constructed.
Im Dokument US 2,69 1 ,698 ist beispielsweise ein Telefonkabel beschrieben, welches neben einer Vielzahl von Innenleitern zwei voneinander isolierte Aussenleiter aufweist, die als Bandierungen aus einer Metallfolie aufgebaut sind . Die Aussenleiter werden dabei zu separaten Ü bermittlung von Signalen eingesetzt. Aus der Druckschrift US 2,447 , 1 68 ist ein Hochfrequenzkabel bekannt, bei dem zwei Innenleiter von einem Dielektrikum umschlossen sind und auf das Dielektrikum zwei Bandierungen aus metallisiertem Papier übereinander aufgebracht werden. In the document US 2,669,168, for example, a telephone cable is described, which in addition to a plurality of inner conductors has two mutually insulated outer conductor, which are constructed as bandings of a metal foil. The outer conductors are used for separate transmission of signals. US Pat. No. 2,447,168 discloses a high-frequency cable in which two inner conductors are enclosed by a dielectric and two bandings made of metallized paper are applied to one another on the dielectric.
Aus der Druckschrift US 5,2 1 4,243 ist ein Koaxialkabel bekannt mit einem zentralen Innenleiter, einem Dielektrikum, einer darauf aufgebrachten Lage aus gewickeltem PTFE- Band, einem darüber aufgebrachten Metalldraht-Geflecht, einem darüber aufgebrachten Geflecht aus Polyamid-Fasern , und schliesslich zwei gegen läufig überlappend gewickelten Bandierungen aus PTFE- Band. From document US Pat. No. 5,214,243 a coaxial cable is known having a central inner conductor, a dielectric, a layer of wound PTFE tape applied thereon, a metal wire braid applied over it, an overlying one Braid made of polyamide fibers, and finally two bands of PTFE tape wound in overlapping fashion.
Schliesslich zeigt die Druckschrift US 6,201 , 1 90 ein Koaxialkabel, bei dem das den Innenleiter umgebende Dielektrikum von zwei übereinander liegenden Folienbändern umschlossen wird. Die Folienbänder sind dabei als Aluminium-Polyester-Aluminium- Laminate ausgebildet. Finally, US Pat. No. 6,201,190 shows a coaxial cable in which the dielectric surrounding the inner conductor is enclosed by two film strips lying one above the other. The film strips are designed as aluminum-polyester-aluminum laminates.
Speziell im M ikrowellen -Frequenzbereich bei Frequenzen von 40 G Hz und mehr haben diese Lösungen den Nachteil, dass keine konfektionierten ( koaxialen ) Kabel mit optima len elektrischen Parametern machbar sind . Especially in M ikrowellen frequency range at frequencies of 40 G Hz and more, these solutions have the disadvantage that no prefabricated (coaxial) cable with optima len electrical parameters are feasible.
Beim einfach gewickelten Band wird beim Biegen oder Tordieren die Einfügedämpfung ( Engl. „Insertion Loss") instabil, weil sich die Wicklungen des Bandes verschieben bzw. lockern. Zudem kann an ein solches Kabel ein am Kabelende angebrachter ( koaxialer) Steckverbinder nur bedingt angepasst werden , weil sich das Band nach dem Abisolieren am Kabelende lösen kann, und deshalb nicht mehr eng anliegt. In the case of a single-wound tape, the insertion loss becomes unstable during bending or twisting as the windings of the tape shift or loosen, and a cable attached to the cable end can not be adapted to such a condition because the tape can be detached after stripping the cable end, and therefore no longer fits tightly.
Ein Ablösen der Wicklung ( Bandierung ) kann zwar am einen Kabelende weitgehend verhindert werden, wenn das Band überlappend gewickelt wird , weil an dem Kabelende, von dem aus die Wicklung in Kabellängsrichtung fortschreitet, das Bandende durch die Überlappung fixiert ist. Am anderen Kabelende ist eine solche Fixierung jedoch nicht vorhanden, so dass sich dort die Bandierung leicht lockert oder sogar ablöst. Although a detachment of the winding (banding) can be largely prevented at one end of the cable when the tape is wound overlapping, because at the cable end from which the winding proceeds in the cable longitudinal direction, the tape end is fixed by the overlap. At the other end of the cable, however, such a fixation is not present, so that there slightly loosens the banding or even peels off.
Die H F-Anpassung an den Steckverbinder wird dadurch verschlechtert, und auch die Stabilität dieses Kabelabschnittes mit gelockertem Band ist beeinträchtigt DARSTELLU NG DER ERFIN DU NG The H F matching to the connector is thereby degraded, and the stability of this cable portion with the band loosened is also impaired PRESENTATION OF THE INVENTORY
Es ist daher eine Aufgabe der Erfindung, ein M ikrowellenkabel zu schaffen, welches auf einfache Weise die Nachteile bekannter Kabel vermeidet und sich insbesondere ohne Verschlechterung der mechanischen und elektrischen Eigenschaften konfektionieren lässt. It is therefore an object of the invention to provide a M ikrowellenkabel which avoids the disadvantages of known cables in a simple manner and can be assembled in particular without deterioration of the mechanical and electrical properties.
Es ist weiterhin eine Aufgabe der Erfindung, ein Verfahren zum Herstellen eines solchen Kabels anzugeben , sowie eine Anwendung vorzuschlagen. It is a further object of the invention to provide a method for producing such a cable, as well as to propose an application.
Damit soll eine wirtschaftliche Lösung aufgezeigt werden , wie man ein bestücktes flexibles Koaxialkabel unempfind lich macht gegen Instabilität der Einfügedämpfung bei Biegung oder Torsion. Nebst optimalen elektrischen Parametern im M ikrowellenbereich ist eine gute mechanische Flexibilität dabei Voraussetzung . This is an economical solution to be shown how to make a populated flexible coaxial cable insensitive makes against instability of insertion loss in bending or torsion. In addition to optimum electrical parameters in the microwave range, good mechanical flexibility is a prerequisite.
Diese und andere Aufgaben werden durch die Merkmale der Ansprüche 1 , 1 1 und 1 4 gelöst. These and other objects are achieved by the features of claims 1, 11 and 14.
Das erfindungsgemässe M ikrowellenkabel , das für einen Frequenzbereich von 0 Hz bis wenigstens zu einigen 1 0 G Hz vorgesehen ist, umfasst einen zentralen Innenleiter, ein den Innenleiter konzentrisch umgebendes Dielektrikum, einen das Dielektrikum konzentrisch umhüllenden Aussenleiter, sowie eine das M ikrowellenkabel aussen konzentrisch umschliessende Ummantelung . The microwave cable according to the invention, which is provided for a frequency range from 0 Hz to at least some 10 Hz, comprises a central inner conductor, a dielectric concentrically surrounding the inner conductor, an outer conductor concentrically surrounding the dielectric, and a microwave conductor concentrically surrounding the outer microwave cable Sheathing.
Es ist dadurch gekennzeichnet, dass der Aussenleiter zwei übereinander gewickelte, elektrisch leitende Bandierungen umfasst, dass die Bandierungen jeweils überlappend gewickelt sind, und dass die Bandierungen in entgegengesetzten Richtungen fortschreitend gewickelt sind . Gemäss einer Ausgestaltung des M ikrowellenkabels nach der Erfindung sind die Bandie- rungen mit entgegengesetztem Drehsinn gewickelt. It is characterized in that the outer conductor comprises two superposed, electrically conductive banding, that the bandages are each wound in an overlapping manner, and that the bandages are wound progressively in opposite directions. According to one embodiment of the microwave cable according to the invention, the bandings are wound in opposite directions of rotation.
Gemäss einer anderen Ausgestaltung des M ikrowellenkabels nach der Erfindung ist zwischen dem Aussenleiter und der Ummantelung ein konzentrisches Drahtgeflecht angeordnet. According to another embodiment of the M ikrowellenkabels according to the invention, a concentric wire mesh is disposed between the outer conductor and the sheath.
Eine weitere Ausgestaltung der Erfindung ist dadurch gekennzeichnet, dass die Bandie- rungen jeweils aus einem Metallband aufgebaut sind . A further embodiment of the invention is characterized in that the bandings are each constructed from a metal band.
Insbesondere weisen die Metallbänder dieselbe Breite und dieselbe Dicke auf. In particular, the metal bands have the same width and the same thickness.
Für Anwendungen, bei denen viele M ikrowellenkabel auf engstem Raum eingesetzt werden müssen, wie beispielsweise bei Testaufbauten für M ikroprozessoren oder andere hochintegrierte Schaltungen mit hohen Taktfrequenzen , ist eine Ausgestaltung der Erfin dung von Vorteil, bei der das M ikrowellenkabel einen Aussendurchmesser von wenigen M illimetern , insbesondere etwa 1 ,5 mm, aufweist, die Metallbänder jeweils eine Breite von wenigen Millimetern , insbesondere etwa 1 ,5 mm, aufweisen , und die Dicke der Metallbänder jeweils einige 1 / 1 00 mm, insbesondere etwa 0,035 mm, beträgt. For applications in which many microwave cables have to be used in a confined space, such as, for example, test constructions for microprocessors or other highly integrated circuits with high clock frequencies, an embodiment of the inven tion is advantageous in which the microwave cable has an outside diameter of a few millimeters , in particular about 1, 5 mm, the metal strips each have a width of a few millimeters, in particular about 1, 5 mm, and the thickness of the metal strips each a few 1/1 00 mm, in particular about 0.035 mm.
Eine andere Ausgestaltung der Erfindung zeichnet sich dad urch aus, dass die Metallbän der aus demselben Material bestehen . Another embodiment of the invention is characterized dad urch that the Metallbän consist of the same material.
Insbesondere bestehen die Metallbänder aus Kupfer und sind oberflächlich versilbert. In particular, the metal strips are made of copper and are silvered on the surface.
Gemäss einer anderen Ausgestaltung des M ikrowellenkabels nach der Erfindung sind die Metallbänder jeweils mit einer Ü berlappung von etwa 45 % und mit einem Versatz pro Umdrehung von etwa 0,8 mm gewickelt. Eine noch andere Ausgestaltung ist dad urch gekennzeichnet, dass die U mmantelung aus FEP besteht. According to another embodiment of the microwave cable according to the invention, the metal strips are each wound with an overlap of about 45% and with an offset per revolution of about 0.8 mm. Yet another embodiment is characterized in that the sheathing is made of FEP.
Das erfindungsgemässe Verfahren zum Herstellen eines M ikrowellenkabels nach der Erfindung umfasst die folgenden Schritte: The method according to the invention for producing a microwave cable according to the invention comprises the following steps:
• Bereitstellen einer Ausgangsanordnung aus dem vom Dielektrikum umgebenen Innenleiter, welche Ausgangsanordnung sich mit einer vorgegebenen Länge zwischen einem ersten Kabelende und einem zweiten Kabelende erstreckt; Providing an output arrangement of the inner conductor surrounded by the dielectric, which output arrangement extends with a predetermined length between a first cable end and a second cable end;
• Aufbringen der ersten Bandierung durch überlappendes Umwickeln der Ausgangsanordnung mit einem ersten Metallband , beginnend am ersten Kabelen de und fortschreitend zum zweiten Kabelende; Applying the first banding by overlapping the output assembly with a first metal band, starting at the first cable and progressing towards the second cable end;
• Aufbringen der zweiten Bandierung durch überlappendes Umwickeln der mit der ersten Bandierung versehenen Ausgangsanordnung mit einem zweiten Metallband , beginnend am zweiten Kabelende und fortschreitend zum ersten Kabelende; und Applying the second banding by overlapping the initial banding provided with the initial banding with a second metal band, beginning at the second cable end and progressing to the first cable end; and
• Aufbringen der Ummantelung auf die mit den beiden Bandierungen versehene Ausgangsanordnung. Applying the jacket to the output arrangement provided with the two bandings.
Eine Ausgestaltung des erfind ungsgemässen Verfahrens ist dad urch gekennzeichnet, dass die erste Bandierung mit einem ersten Drehsinn aufgebracht wird, und dass die zweite Bandierung mit einem zum ersten Drehsinn entgegengesetzten zweiten Drehsinn aufgebracht wird . An embodiment of the method according to the invention is characterized in that the first banding is applied with a first direction of rotation and that the second banding is applied with a second direction of rotation opposite to the first direction of rotation.
Eine andere Ausgestaltung ist dadurch gekennzeichnet, dass vor dem letzten Schritt die mit den beiden Bandierungen versehene Ausgangsanordnung mit einem konzentrischen Drahtgeflecht umhüllt wird . Erfindungsgemäss wird das M ikrowellenkabel bei einem Verbindungskabel angewendet, welches an den Enden jeweils einen Koaxialverbinder aufweist, wobei dessen Aussenleiter mit dem freigelegten Aussenleiter des M ikrowellenkabels elektrisch leitend verbunden wird . Another embodiment is characterized in that before the last step, the output arrangement provided with the two bandings is enveloped by a concentric wire mesh. According to the invention, the microwave cable is used in a connection cable which has a coaxial connector at the ends, wherein its outer conductor is electrically conductively connected to the exposed outer conductor of the microwave cable.
Gemäss einer Ausgestaltung werden die Aussenleiter der Koaxialverbinder jeweils mit dem Aussenleiter des Mikrowellenkabels verlötet. According to one embodiment, the outer conductors of the coaxial connectors are each soldered to the outer conductor of the microwave cable.
Insbesondere werden , wenn beim M ikrowellenkabel zwischen dem Aussenleiter und der Ummantelung ein konzentrisches Drahtgeflecht angeordnet ist, die Aussenleiter der Koaxialverbinder jeweils mit dem Aussenleiter des M ikrowellenkabels durch das Drahtgeflecht hindurch verlötet. In particular, when the M ikrowellenkabel between the outer conductor and the sheath a concentric wire mesh is arranged, the outer conductor of the coaxial connector respectively soldered to the outer conductor of the M ikrowellenkabels through the wire mesh through.
KU RZE ERLÄUTERU NG DER FIG U REN KU RZE EXPLANATION OF FIGURES
Die Erfindung soll nachfolgend anhand von Ausführungsbeispielen im Zusammenhang mit der Zeichnung näher erläutert werden. Es zeigen : The invention will be explained in more detail with reference to embodiments in conjunction with the drawings. Show it :
Fig. 1 den Querschnitt durch ein M ikrowellen kabel gemäss einem Ausführungsbeispiel der Erfindung; 1 shows the cross section through a M ikrowellen cable according to an embodiment of the invention.
Fig. 2 ein Verbind ungskabel mit einem M ikrowellenkabel nach der Erfindung und an den Kabelenden angebrachten koaxialen Verbindern; FIG. 2 shows a connection cable with a microwave cable according to the invention and coaxial connectors attached to the cable ends; FIG.
Fig. 3A-C verschiedene Schritte bei der Herstellung eines M ikrowellenkabels gemäss einem Ausführungsbeispiel der Erfindung; Fig. 4 in einem Ausschnitt die für eine Bandierung beim erfindungsgemässen Mikrowellenkabel massgebenden Parameter; und 3A-C show various steps in the production of a microwave cable according to an embodiment of the invention; FIG. 4 shows in a section the parameters which determine banding in the microwave cable according to the invention; FIG. and
Fig. 5 den Stabilisierungseffekt der erfind ungsgemässen Bandierungen beim Konfektionieren bzw. Ablängen des Mikrowellenkabels an beiden Enden. 5 shows the stabilizing effect of the bandages according to the invention during assembly or cutting to length of the microwave cable at both ends.
WEG E ZU R AUSFÜ H RU NG DER ERFI N DU NG WAY TO RUNNING THE INVENTORY
Fig. 1 zeigt den Querschnitt durch ein Mikrowellenkabel 1 0 gemäss einem Ausführungsbeispiel der Erfindung. Im Zentrum des M ikrowellenkabels 1 0 ist ein zentraler Innenleiter 1 1 angeordnet, der beispielsweise aus einem versilberten Cu-Draht bestehen kann . Der Innenleiter 1 1 ist konzentrisch von einem Dielektrikum 1 2 umgeben, für das die in der H F-Technik üblichen Materialien , z. B. PTFE, in Frage kommen . Das Dielektrikum 1 2 ist in radialer Richtung nacheinander von einer ersten Bandierung 1 3 und einer zweiten Bandierung 1 4 konzentrisch umschlossen , auf die noch näher eingegangen wird. Es folgt ein konzentrisches Drahtgeflecht 1 5, dass beispielsweise aus versilbertem Cu-Draht aufgebaut ist. Diese konzentrische Schichtanordnung ist schliesslich aussen von einer schützenden U mmantelung 1 6 umschlossen , die vorzugsweise aus einem FEP ( Fluorinated Ethylene Propylene) besteht. Fig. 1 shows the cross section through a microwave cable 1 0 according to an embodiment of the invention. In the center of M ikrowellenkabels 1 0 a central inner conductor 1 1 is arranged, which may for example consist of a silvered copper wire. The inner conductor 1 1 is concentrically surrounded by a dielectric 1 2, for which the usual materials in the H F-technique, for. As PTFE, come into question. The dielectric 1 2 is in the radial direction successively concentrically surrounded by a first banding 1 3 and a second banding 1 4, which will be discussed in more detail. This is followed by a concentric wire mesh 1 5, which is constructed for example of silver-plated copper wire. This concentric layer arrangement is finally surrounded on the outside by a protective U mmantelung 1 6, which preferably consists of a FEP (Fluorinated Ethylene Propylene).
Die Bandierungen 1 3 , 1 4 sind jeweils aus einem Metallband 2 1 , 22 (siehe Fig. 3 ) aufgebaut. Die beiden Metallbänder 2 1 , 22 können in Material, Dicke und Breite grundsätzlich unterschiedlich ausgebildet sein . Vorzugsweise haben sie jedoch dieselbe Breite B (siehe Fig. 4) und dieselbe Dicke. Insbesondere bestehen die Metallbänder 2 1 , 22 auch aus demselben Material, vorzugsweise aus Kupfer, das oberflächlich versilbert ist. The bandings 1 3, 1 4 are each composed of a metal strip 2 1, 22 (see FIG. 3). The two metal bands 2 1, 22 may be formed fundamentally different in material, thickness and width. However, they preferably have the same width B (see Fig. 4) and the same thickness. In particular, the metal bands 2 1, 22 also consist of the same material, preferably of copper, which is silvered on the surface.
Für komplexe und kompakte Anwendungen, bei denen es besonders auf geringe Abmessungen des Kabels ankommt, kann das M ikrowellenkabel 1 0 einen Aussendurchmesser D (siehe Fig. 2) von wenigen Millimetern, insbesondere etwa 1,5 mm, aufweisen. Die Metallbänder 21, 22 für die Bandierungen 13 und 14 haben dann vorzugsweise jeweils eine Breite B von wenigen Millimetern, insbesondere etwa 1 ,5 mm. Die Dicke der Metallbänder 21, 22 beträgt dann jeweils einige 1/100 mm, insbesondere etwa 0,035 mm. For complex and compact applications, where the smallest dimensions of the cable are particularly important, the microwave cable 1 0 can have an outside diameter D (see Fig. 2) of a few millimeters, in particular about 1.5 mm. The metal strips 21, 22 for the banding 13 and 14 then preferably each have a width B of a few millimeters, in particular about 1, 5 mm. The thickness of the metal strips 21, 22 is then each a few 1/100 mm, in particular about 0.035 mm.
Bei einem solchen (miniaturisierten) Mikrowellenkabel werden die die Metallbänder 21, 22 in den Bandierungen 13 und 14 gemäss Fig.4 jeweils mit einer Überlappung von etwa 45% (Überlappungsbereich 23) und mit einem Versatz pro Umdrehung (Schrittweite w) von etwa 0,8 mm gewickelt. In such a (miniaturized) microwave cable, the metal strips 21, 22 in the banding 13 and 14 according to Figure 4 each with an overlap of about 45% (overlap area 23) and with one offset per revolution (step size w) of about 0, 8 mm wound.
Der entscheidende Unterschied zu bisherigen Kabelformen liegt gemäss der Erfindung nun darin, dass die überlappend gewickelten Bandierungen 13 und 14 im Bezug auf das Kabel in entgegengesetzten Richtungen fortschreitend gewickelt werden, wie dies aus Fig.3 deutlich hervorgeht. According to the invention, the decisive difference lies in the fact that the overlapping wound stripings 13 and 14 are wound progressively in opposite directions with respect to the cable, as clearly shown in FIG.
Bei den in Fig. 3A-C dargestellten Verfahrensschritten wird zunächst eine Ausgangsanordnung aus dem vom Dielektrikum 12 umgebenen Innenleiter 11 bereitgestellt (Fig. 3A), welche sich mit einer vorgegebenen Länge L, die beispielsweise mehrere Kilometer betragen kann, zwischen einem ersten Kabelende 19 und einem zweiten Kabelende 20 erstreckt; In the method steps illustrated in FIGS. 3A-C, an output arrangement is first provided from the inner conductor 11 surrounded by the dielectric 12 (FIG. 3A), which may have a predetermined length L, which can be, for example, several kilometers, between a first cable end 19 and a second cable end 20 extends;
Auf diese Ausgangsanordnung 11, 12 wird gemäss Fig.3B die untere erste Bandierung 13 aufgebracht, indem die Ausgangsanordnung 11 , 12 mit einem ersten Metallband 21 , beginnend am ersten Kabelende 19 und fortschreitend (siehe Richtungspfeil) zum zweiten Kabelende 20, überlappend umwickelt wird. Der Drehsinn beim Umwickeln ist im dargestellten Beispiel in Pfeilrichtung gesehen entgegen dem Uhrzeigerzinn. Ist die erste Bandierung 13 vollständig aufgebracht, wird gemäss Fig.3C die zweite Ban- dierung 14 durch überlappendes Umwickeln der mit der ersten Bandierung 13 versehenen Ausgangsanordnung 11, 12 mit einem zweiten Metallband 21 aufgebracht, und zwar beginnend am zweiten Kabelende 20 und fortschreitend (siehe Richtungspfeil) zum ersten Kabelende 19. Der Drehsinn beim Umwickeln ist im dargestellten Beispiel in Pfeilrichtung gesehen im Uhrzeigerzinn. According to FIG. 3B, the lower first banding 13 is applied to this output arrangement 11, 12 by overlapping the output arrangement 11, 12 with a first metal band 21, beginning at the first cable end 19 and progressively (see directional arrow) to the second cable end 20. The sense of rotation when wrapping is in the illustrated example in the direction of arrow counterclockwise. If the first banding 13 is completely applied, according to FIG. 3C, the second bandage 14 is applied by overlapping the initial bandage 13, which is provided with the first bandage 13, with a second metal band 21, beginning at the second cable end 20 and advancing (FIG. see direction arrow) to the first cable end 19. The direction of rotation when wrapping is seen in the example shown in the arrow direction in clockwise direction.
Anschliessend kann durch Aufbringen weiterer Schichten (Drahtgeflecht 15, Ummante- lung 16) das Mikrowellenkabel 10 fertig gestellt werden. Subsequently, the microwave cable 10 can be completed by applying further layers (wire mesh 15, sheath 16).
Grundsätzlich ist es denkbar, beim Aufbringen der beiden Bandierungen den Drehsinn gleich zu wählen. Die Stabilität des Kabels ist jedoch noch grösser, wenn die zweite Bandierung 14 mit einem zum Drehsinn der ersten Bandierung 13 entgegengesetzten Drehsinn aufgebracht wird. In principle, it is conceivable to choose the direction of rotation when applying the two bandings. However, the stability of the cable is even greater when the second band 14 is applied with a direction of rotation of the first banding 13 opposite direction of rotation.
Die Metallbänder 21 , 22 bestehen vorzugsweise aus demselben Material (versilberte Cu- Folie), haben dieselbe Breite B und weisem dieselbe Dicke auf. Bei einem Aussendurch- messer D des Mikrowellenkabels von wenigen Millimetern, insbesondere etwa 1,5 mm, haben die Metallbänder 21, 22 vorzugsweise jeweils eine Breite B von wenigen Millimetern, insbesondere etwa 1 ,5 mm. Ihre Dicke beträgt vorzugsweise jeweils einige 1/100 mm, insbesondere etwa 0,035 mm. The metal bands 21, 22 are preferably made of the same material (silvered Cu film), have the same width B and have the same thickness. With an outer diameter D of the microwave cable of a few millimeters, in particular approximately 1.5 mm, the metal strips 21, 22 preferably each have a width B of a few millimeters, in particular approximately 1.5 mm. Their thickness is preferably in each case a few 1/100 mm, in particular about 0.035 mm.
Es hat sich in der Praxis bewährt, die Metallbänder 21, 22 jeweils mit einer Überlappung von etwa 45% und mit einem Versatz pro Umdrehung von etwa 0,8 mm zu wickeln. It has been proven in practice to wrap the metal strips 21, 22 each with an overlap of about 45% and with an offset per revolution of about 0.8 mm.
Der Effekt der doppelt und gegenläufigen Bandierung beim Konfektionieren lässt sich an der Darstellung in Fig.5 und 6 erkennen: Wird das Mikrowellenkabel am einen Kabelende 20a abgelängt (Fig. 5) und für das Anbringen eines koaxialen Steckverbinders (z.B. 1 8 in Fig . 2 ) vorbereitet, wird durch Kürzen der U mmantelung 1 6 und des Drahtgeflechts 1 5 die zweite, äussere Bandierung 1 4 auf einer Strecke freigelegt. Durch die ( in Fig. 5 nach links fortschreitende) überlappende Wicklung der Bandierung 1 4 wird jedoch wirksam verhindert, dass sich das Metallband der Bandierung 1 4 von selbst abwickeln oder ablösen kann . Dadurch wird aber auch gleichzeitig die darunter liegende erste Bandierung 1 3 fixiert und deren Ablösung verhindert. The effect of double and reverse banding during assembly can be seen in the illustration in Figures 5 and 6: If the microwave cable at a cable end 20a cut to length (Fig. 5) and for attaching a coaxial connector (eg 1 8 in FIG. 2) is prepared by shortening the U mmantelung 1 6 and the wire mesh 1 5 exposed the second, outer banding 1 4 on a stretch. By (in Fig. 5 to the left progressing) overlapping winding of the banding 1 4 is effectively prevented, however, that the metal strip of the banding 1 4 unwind or peel off by itself. As a result, however, at the same time the underlying first banding 1 3 is fixed and prevents their detachment.
Wird das M ikrowellenkabel am anderen Kabelende 1 9a abgelängt ( Fig. 6) und für das Anbringen eines koaxialen Steckverbinders (z. B. 1 7 in Fig. 2 ) vorbereitet, wird wiederum durch Kürzen der U mmantelung 1 6 und des Drahtgeflechts 1 5 die zweite, äussere Bandierung 1 4 auf einer Strecke freigelegt. In diesem Fall kann sich das Metallband der zweiten Bandierung zwar Abwickeln , weil eine Fixierung durch die Überlappung an diesem Ende nicht gegeben ist. Dies gilt jedoch nicht für die darunter liegende erste Bandierung 1 3 : Hier tritt aufgrund der entgegengesetzten Wicklungsrichtung derselbe fixierende Effekt durch die Überlappung ein, wie bei der Bandierung 1 4 am anderen Kabelnde 20a. Da die elektrischen Eigenschaften des Kabels im Wesentlichen durch die innere erste Bandierung 1 3 bestimmt werden , ist das Ablösen der Bandierung 1 4 am Kabelende 1 9a unkritisch. If the microwave cable is cut to length on the other end of the cable 1 9a (FIG. 6) and prepared for the attachment of a coaxial connector (eg 1 7 in FIG. 2), again the sheath 1 6 and the wire mesh 1 5 are shortened the second, outer banding 1 4 exposed on a stretch. In this case, although the metal strip of the second banding unwind, because a fixation by the overlap at this end is not given. However, this does not apply to the underlying first banding 1 3: Here occurs due to the opposite direction of winding, the same fixing effect by the overlap, as in the banding 1 4 at the other cable end 20 a. Since the electrical properties of the cable are determined essentially by the inner first banding 1 3, the detachment of the banding 1 4 at the cable end 1 9a is not critical.
Insgesamt lässt sich das M ikrowellenkabel 1 0 aufgrund der speziell gewickelten Bandie- rungen 1 3 und 1 4 an beiden Enden konfektionieren bzw. Ablängen und mit einem Steckverbinder versehen , ohne dass durch Abwickeln der die elektrischen Eigenschaften bestimmenden inneren Bandierung 1 3 eine ungewollte Verschlechterung der Eigenschaften eintritt. On the whole, the microwave cable 10 can be assembled or cut to length at both ends on the basis of the specially wound bandings 1 3 and 1 4 and provided with a connector, without unintentional deterioration of the internal banding 1 3 determining the electrical properties Properties occurs.
Insgesamt lassen sich die Eigenheiten und Vorteile der Erfindung wie folgt zusammenfassen : Der Kabelaussenleiter besteht aus zwei jeweils überlappenden Metallbändern , welche nicht nur gegensinnig gewickelt, sondern im Vergleich zum Stand der Technik auch in Wickelrichtung umgedreht sind. Die Wicklung der zweiten Bandierung beginnt am Kabelende der ersten Bandierung (vorwärts/rückwärts gewickelt). Overall, the peculiarities and advantages of the invention can be summarized as follows: The cable outer conductor consists of two overlapping metal bands, which are not only wound in opposite directions, but are also reversed in the winding direction compared to the prior art. The winding of the second banding begins at the cable end of the first band (wound forward / backward).
Diese Konstruktion bietet Unempfindlichkeit der Einfügedämpfung beim Biegen, sowie guten Schutz gegen Hochfrequenz Abstrahlung . Zudem ist die Voraussetzung geschaffen für eine optimale Hochfrequenz-Anpassung zwischen Kabel und Verbinder: Der Durchmesser-U nterschied zwischen der Kabeleinführung des Steckverbinders und dem Aussenleiter des Kabels (=Doppelband ) kann auf ein M inimum reduziert werden. Dies ermöglicht eine gute Einführung sowie Zentrierung des Kabels zum Verbinder. Das reduziert H F Reflektionen ( Rückflussdämpfung ) weil Impedanz-Abweichungen so minimiert werden . This construction offers insensitivity of insertion loss when bending, as well as good protection against high frequency radiation. In addition, the prerequisite for optimum high-frequency matching between cable and connector is created: the difference in diameter between the cable entry of the connector and the outer conductor of the cable (= double band) can be reduced to a minimum. This allows for good insertion and centering of the cable to the connector. This reduces H F reflections (return loss) because impedance deviations are thus minimized.
Die gegensinnig gewickelten Bandierungen ( Doppelband ) mit entgegengesetzter Wickelrichtung bringen Vorteile beim Konfektionieren : bei beiden Kabelenden ist immer eine Wicklung aufgrund der Ü berlappung selbstfixierend . Bei gleicher Wickelrichtung oder Einfachband wäre dagegen immer nur ein Kabelende selbstfixierend . Ohne diese Selbstfixierung geht beim Ablängen des Kabels die Bandierung auf, der Durchmesser wird also grösser. Eine Verbinderbestückung ist dann nur unter der Bedingung möglich , dass die Kabeleinführung des Verbinders einen genügend grossen Durchmesser aufweist. Dann ist jedoch die Zentrierung des Kabels im Verbinder über das Band nicht mehr gegeben , was zu Impedanzabweichungen und somit H F-Reflexionen führen kann. Zudem stellt der grössere Innendurchmesser der aufgegangenen Bandierung ebenfalls eine elektrische H F- Störstelle ( Impedanzabweichung ) dar, was zu H F- Reflexionen führt. Das gelockerte Band kann ausserdem Instabilitäten der Einfügedämpfung verursachen. • Das Doppelband bringt ausserdem wesentlich mehr ( mechanische) Stabilität als ein Polymer-Skin über dem Band . The oppositely wound banding (double band) with opposite winding direction bring advantages in the assembly: at both ends of the cable is always a winding self-fixing due to Ü overlapping. In the same winding direction or single band, however, only one end of the cable would be self-fixing. Without this self-fixing, the tape is cut when the cable is cut to length, so the diameter becomes larger. A connector assembly is then possible only under the condition that the cable entry of the connector has a sufficiently large diameter. However, then the centering of the cable in the connector over the tape is no longer given, which can lead to impedance deviations and thus H F reflections. In addition, the larger inner diameter of the absorbed banding is also an electrical H F impurity (impedance deviation), resulting in H F reflections. The relaxed band may also cause insertion loss instabilities. • The double belt also provides much more (mechanical) stability than a polymer skin over the belt.
• Das Doppelband aus Metall hat gegenüber einer Fixierung mittels isolierendem• The double band of metal has over a fixation by means of insulating
Band (z. B. aus Kapton®) bei der Verbinderbestückung den Vorteil der wesentlich einfacheren Konfektionierung ( Lötung ). Beide Metallbänder werden zusammen verlötet. Ein Kapton®-Band oder Polymer-Skin hingegen müsste in einem separa ten Vorgang ( per Hand oder mittels Laser) zuerst abisoliert werden , damit das darunter liegende Metallband verlötet werden kann . Band (eg Kapton ® ) in the connector assembly the advantage of much simpler packaging (soldering). Both metal bands are soldered together. On the other hand, a Kapton ® tape or polymer skin would first have to be stripped off in a separate process (by hand or by laser) so that the underlying metal strip can be soldered.
• Das M ikrowellenkabel kann z. B. bei Kabel-Assemblies für Test & Measurement eingesetzt werden, insbesondere im Zusammenhang mit Mehrfach- Koaxialverbindern , wie sie in der Druckschrift WO 2009/ 1 1 1 895 A 1 beschrieben sind . • The microwave cable can be used for B. in cable assemblies used for test & measurement, especially in the context of multiple coaxial connectors, as described in WO 2009/1 1 1 895 A 1.
• Insgesamt ergibt sich mit der Erfindung ein H F-Koaxialkabel mit hohen Anforderungen an Stabilität der Einfügedämpfung, optimale H F-Anpassung zum Verbinder, wirtschaftliche Konfektionierbarkeit und sehr gute Schirmdämpfung . Overall, the invention results in an H F coaxial cable with high requirements for stability of the insertion loss, optimum H F adaptation to the connector, economical assembly and very good shielding attenuation.
Bezugszeichenliste LIST OF REFERENCE NUMBERS
10 Mikrowellenkabel 10 microwave cables
11 Innenleiter 11 inner conductor
12 Dielektrikum  12 dielectric
13,14 Bandierung  13.14 Banding
15 Drahtgeflecht 15 wire mesh
16 Ummantelung16 sheathing
17,18 Koaxialverbinder17,18 coaxial connector
19,20 Kabelende 19,20 cable end
19a, 20a Kabelende  19a, 20a cable end
21,22 Metall band  21.22 metal band
23 Überlappungsbereich 23 overlap area
24 Verbindungskabel24 connection cable
B Breite B width
D Aussendurchmesser D outer diameter
L Länge L length
w Schrittweite w increment

Claims

Patentansprüche claims
1. Mikrowellenkabel ( 10) für einen Frequenzbereich von 0 Hz bis wenigstens zu einigen 10 GHz, umfassend einen zentralen Innenleiter ( 11 ), ein den Innenleiter konzentrisch umgebendes Dielektrikum (12), einen das Dielektrikum (12) konzentrisch umhüllenden Aussenleiter (13, 14), sowie eine das Mikrowellenkabel (10) aussen konzentrisch umschliessende Ummantelung (16), dadurch gekennzeichnet, dass der Aussenleiter zwei übereinander gewickelte, elektrisch leitende Bandierungen (13, 14) umfasst, dass die Bandierungen (13, 14) jeweils überlappend gewickelt sind, und dass die Bandierungen (13, 14) in entgegengesetzten Richtungen fortschreitend gewickelt sind. A microwave cable (10) for a frequency range from 0 Hz to at least a few 10 GHz, comprising a central inner conductor (11), a dielectric (12) concentrically surrounding the inner conductor, an outer conductor (13, 14) concentrically surrounding the dielectric (12) ), and a jacket (16) surrounding the microwave cable (10) concentrically outside, characterized in that the outer conductor comprises two electrically conductive bandings (13, 14) wound one above the other, such that the bandings (13, 14) are each wound in an overlapping manner, and that the bandings (13, 14) are progressively wound in opposite directions.
2. Mikrowellenkabel nach Anspruch 1 , dadurch gekennzeichnet, dass die Bandierungen (13, 14) mit entgegengesetztem Drehsinn gewickelt sind. 2. microwave cable according to claim 1, characterized in that the bandings (13, 14) are wound in opposite directions of rotation.
3. Mikrowellenkabel nach Anspruch 1, dadurch gekennzeichnet, dass zwischen dem Aussenleiter (13, 14) und der Ummantelung (16) ein konzentrisches Drahtgeflecht (15) angeordnet ist. 3. microwave cable according to claim 1, characterized in that between the outer conductor (13, 14) and the sheath (16) a concentric wire mesh (15) is arranged.
4. Mikrowellenkabel nach einem der Ansprüche 1-3, dadurch gekennzeichnet, dass die Bandierungen (13, 14) jeweils aus einem Metallband (21, 22) aufgebaut sind. 4. microwave cable according to any one of claims 1-3, characterized in that the bandings (13, 14) each composed of a metal strip (21, 22) are constructed.
5. Mikrowellenkabel nach Anspruch 4, dadurch gekennzeichnet, dass die Metallbänder (21 , 22) dieselbe Breite (B) und dieselbe Dicke aufweisen. 5. microwave cable according to claim 4, characterized in that the metal strips (21, 22) have the same width (B) and the same thickness.
6. Mikrowellenkabel nach Anspruch 5, dadurch gekennzeichnet, dass das Mikrowellenkabel ( 10) einen Aussendurchmesser (D) von wenigen Millimetern, insbesonde- re etwa 1 ,5 mm, aufweist, dass die Metallbänder (21 , 22) jeweils eine Breite (B) von wenigen Millimetern, insbesondere etwa 1 ,5 mm, aufweisen, und dass die Dicke der Metallbänder (21, 22) jeweils einige 1/100 mm, insbesondere etwa 0,035 mm, beträgt. 6. microwave cable according to claim 5, characterized in that the microwave cable (10) has an outer diameter (D) of a few millimeters, in particular 1, 5 mm, that the metal strips (21, 22) each have a width (B) of a few millimeters, in particular about 1, 5 mm, and that the thickness of the metal strips (21, 22) each some 1 / 100 mm, in particular about 0.035 mm.
Mikrowellenkabel nach Anspruch 4, dadurch gekennzeichnet, dass die Metallbänder (21 , 22) aus demselben Material bestehen. Microwave cable according to claim 4, characterized in that the metal strips (21, 22) consist of the same material.
Mikrowellenkabel nach Anspruch 7, dadurch gekennzeichnet, dass die Metallbänder (21, 22) aus Kupfer bestehen und oberflächlich versilbert sind. Microwave cable according to claim 7, characterized in that the metal strips (21, 22) consist of copper and are surface silvered.
Mikrowellenkabel nach Anspruch 6, dadurch gekennzeichnet, dass die Metallbänder (21 , 22) jeweils mit einer Überlappung von etwa 45% und mit einem Versatz pro Umdrehung von etwa 0,8 mm gewickelt sind. Microwave cable according to claim 6, characterized in that the metal strips (21, 22) are each wound with an overlap of about 45% and with an offset per revolution of about 0.8 mm.
Mikrowellenkabel nach Anspruch 1, dadurch gekennzeichnet, dass die Ummante- lung (16) aus FEP besteht. Microwave cable according to claim 1, characterized in that the Ummante- ment (16) consists of FEP.
Verfahren zum Herstellen eines Mikrowellenkabels (10) nach Anspruch 1, umfassend die folgenden Schritte: a) Bereitstellen einer Ausgangsanordnung (11, 12) aus dem vom Dielektrikum (12) umgebenen Innenleiter (11), welche Ausgangsanordnung (11, 12) sich mit einer vorgegebenen Länge (L) zwischen einem ersten Kabelende (19) und einem zweiten Kabelende (20) erstreckt; b) Aufbringen der ersten Bandierung (13) durch überlappendes Umwickeln der Ausgangsanordnung (11, 12) mit einem ersten Metallband (21 ), beginnend am ersten Kabelende (19) und fortschreitend zum zweiten Kabelende (20); c) Aufbringen der zweiten Bandierung (14) durch überlappendes Umwickeln der mit der ersten Bandierung (13) versehenen Ausgangsanordnung (11, 12) mit einem zweiten Metallband (21), beginnend am zweiten Kabelende (20) und fortschreitend zum ersten Kabelende (19); und d) Aufbringen der Ummantelung (16) auf die mit den beiden Bandierungen (13, 14) versehene Ausgangsanordnung (11, 12). A method for producing a microwave cable (10) according to claim 1, comprising the following steps: a) providing an output arrangement (11, 12) from the inner conductor (11) surrounded by the dielectric (12), which output arrangement (11, 12) adjoins with one predetermined length (L) between a first cable end (19) and a second cable end (20) extends; b) applying the first banding (13) by overlapping the output assembly (11, 12) with a first metal band (21), starting at the first cable end (19) and progressing towards the second cable end (20); c) applying the second banding (14) by overlapping the initial banding (13) provided with the first banding (11, 12) with a second metal band (21) starting at the second cable end (20) and progressing towards the first cable end (19) ; and d) applying the sheathing (16) to the output arrangement (11, 12) provided with the two bandings (13, 14).
Verfahren nach Anspruch 11 , dadurch gekennzeichnet, dass die erste BandierungA method according to claim 11, characterized in that the first banding
(13) mit einem ersten Drehsinn aufgebracht wird, und dass die zweite Bandierung(13) is applied with a first direction of rotation, and that the second banding
(14) mit einem zum ersten Drehsinn entgegengesetzten zweiten Drehsinn aufgebracht wird. (14) is applied with a second direction of rotation opposite to the first direction of rotation.
13. Verfahren nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass vor dem letzten Schritt (d) die mit den beiden Bandierungen (13, 14) versehene Ausgangsanordnung (11, 12) mit einem konzentrischen Drahtgeflecht (15) umhüllt wird. 13. The method according to claim 11 or 12, characterized in that before the last step (d) with the two bandings (13, 14) provided with the output arrangement (11, 12) is coated with a concentric wire mesh (15).
14. Anwendung des Mikrowellenkabels ( 10) nach Anspruch 1 bei einem Verbindungs- kabel (24), welches an den Enden jeweils einen Koaxialverbinder (17, 18) aufweist, dadurch gekennzeichnet, dass dessen Aussenleiter mit dem freigelegten Aussenleiter ( 13, 14) des Mikrowellenkabels (10) elektrisch leitend verbunden wird. 14. Application of the microwave cable (10) according to claim 1 with a connecting cable (24), which at the ends in each case a coaxial connector (17, 18), characterized in that the outer conductor with the exposed outer conductor (13, 14) of the Microwave cable (10) is electrically connected.
Anwendung nach Anspruch 14, dadurch gekennzeichnet, dass die Aussenleiter der Koaxialverbinder (17, 18) jeweils mit dem Aussenleiter (13, 14) des Mikrowellenkabels (10) verlötet werden. Application according to Claim 14, characterized in that the outer conductors of the coaxial connectors (17, 18) are each soldered to the outer conductor (13, 14) of the microwave cable (10).
16. Anwendung nach Anspruch 15, dadurch gekennzeichnet, dass beim Mikrowellenkabel (10) zwischen dem Aussenleiter (13, 14) und der Ummantelung (16) ein konzentrisches Drahtgeflecht (15) angeordnet ist, und dass die Aussenleiter der Koaxialverbinder (17, 18) jeweils mit dem Aussenleiter (13, 14) des Mikrowellenkabels (10) durch das Drahtgeflecht (15) hindurch verlötet werden. 16. Application according to claim 15, characterized in that the microwave cable (10) between the outer conductor (13, 14) and the sheath (16) a concentric wire mesh (15) is arranged, and that the outer conductor of Coaxial connector (17, 18) in each case with the outer conductor (13, 14) of the microwave cable (10) through the wire mesh (15) are soldered through.
EP13777098.8A 2012-10-26 2013-10-17 Microwave cable and method for producing and using such a microwave cable Active EP2912671B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH02120/12A CH707152A8 (en) 2012-10-26 2012-10-26 Microwave cable and method for making and using such a microwave cable.
PCT/EP2013/071774 WO2014063994A1 (en) 2012-10-26 2013-10-17 Microwave cable and method for producing and using such a microwave cable

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EP2912671A1 true EP2912671A1 (en) 2015-09-02
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JP7238393B2 (en) 2018-12-25 2023-03-14 株式会社デンソー Map data generation device, map data generation system, map data generation program and storage medium
KR102400270B1 (en) 2019-09-18 2022-05-23 주식회사 가피바이오 Industrial manufacturing method of keratin
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CH707152A1 (en) 2014-04-30
KR20150080552A (en) 2015-07-09
CN104756201B (en) 2016-11-09
IL238423A0 (en) 2015-06-30
IL238423B (en) 2018-11-29
JP2016500905A (en) 2016-01-14
US9666335B2 (en) 2017-05-30
KR102148049B1 (en) 2020-08-26
CN104756201A (en) 2015-07-01
WO2014063994A1 (en) 2014-05-01
EP2912671B1 (en) 2020-12-02
JP6331152B2 (en) 2018-05-30
US20150287501A1 (en) 2015-10-08
CH707152A8 (en) 2014-07-15

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