EP1174886A2 - Datenkabel sowie Verfahren zum Herstellen eines Datenkabels - Google Patents
Datenkabel sowie Verfahren zum Herstellen eines Datenkabels Download PDFInfo
- Publication number
- EP1174886A2 EP1174886A2 EP01114420A EP01114420A EP1174886A2 EP 1174886 A2 EP1174886 A2 EP 1174886A2 EP 01114420 A EP01114420 A EP 01114420A EP 01114420 A EP01114420 A EP 01114420A EP 1174886 A2 EP1174886 A2 EP 1174886A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- stranding
- data cable
- individual elements
- stranded
- individual
- 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.)
- Withdrawn
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Classifications
-
- 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
- H01B13/02—Stranding-up
- H01B13/04—Mutually positioning pairs or quads to reduce cross-talk
-
- 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
- H01B11/02—Cables with twisted pairs or quads
- H01B11/04—Cables with twisted pairs or quads with pairs or quads mutually positioned to reduce cross-talk
Definitions
- the invention relates to a data cable and a method for manufacturing a data cable.
- Such data cables are known per se and consist of at least two individual elements, which are twisted together and each have at least two twisted wires. Through each If necessary, these two individual elements can provide data on the Data cables are transmitted.
- each of the two wires comprises which are twisted into a single element, one electrical conductor and one of these from the other electrical conductor electrical isolation insulation.
- data cable understood a cable that is used at frequencies above 1 MHz or at above 5 MHz, preferably at over 10 MHz, can transmit data. Typical operating frequencies for such data cables are currently between 100 MHz and 800 MHz.
- an electromagnetic wave propagating along the veins can run as undisturbed as possible.
- These can, for example Guide elements, such as central cross elements, the Have recesses in which the individual elements are inserted and so can be positioned precisely.
- the invention proposes on the one hand a data cable consisting of at least two individual elements, which are twisted together and each have at least two twisted wires, in which the individual elements are stranded together.
- the invention on the other hand proposes a method for Manufacture a data cable, in which the wires are initially closed twisted at least two individual elements and then the Individual elements are stranded sz.
- sz-stranded or “sz-twisted” every stranding or twisting of at least two Cores, cables or other elongated arrangements, at which changes the direction of lay along the cable.
- sz-stranded cable thus has a stranding with regular or irregular successive change of direction.
- An inventive or a manufactured according to the invention Data cable has transmission properties that are significantly better than the values specified in national and international standards.
- SZ stranding is very gentle is for the individual elements, since the torsional stresses build up can break down a change of direction, and thus by the stranding of the at least two individual elements with one another Data transmission properties are ensured.
- the SZ stranding is, for example, from the article Dieter Vogelsberg "New developments in SZ stranding" in "wire and cable” Panorama, March / April 1985, pp. 26 to 33 "for communication cables and Remote control location cables as well as for signal cables and control cables and lines known. That surprisingly, however, also for generic Data cable ensures sufficient data transmission properties is in no way by the prior art suggested. So in particular in a surprising way despite SZ stranding a sufficiently stable cable assembly is guaranteed so that reflections or the like, the cable properties impairing cable defects only to a negligible extent occur. It has also surprisingly been found that the Direction change points with the generic data cables not or only to a negligible extent to reflections or similar that Cable properties have adverse effects.
- the wires of at least one individual element can also be connected to one another be twisted sz.
- An individual element produced in this way is relatively inexpensive, like this SZ stranding technology is.
- the twisted lengths of the wires are preferably in the individual Individual elements and the lay lengths of the individual elements with each other matched to one another to ensure crosstalk avoid. If at least one individual element is also stranded, then there are preferably also the change of direction of the Individual elements and the stranding of the data cable on top of each other Voted.
- the change of direction is preferably a maximum of 3 times, in particular a maximum of 2 times the length of the lay. For measuring length of lay for example, over 10 or 20 strokes the total length measured and this value divided by the number of strokes. To this In this way, the cable builds sufficiently stable and the influence of the Change of direction on the transmission behavior can be minimized become. Such an arrangement thus increases the quality of the data cable according to the invention still further.
- the transmission properties can also be improved if the uniformity of pair twist is ⁇ 0.5 mm, preferably ⁇ 0.2 mm, does not exceed.
- To determine the uniformity here at 5 locations of a 1000 at least 100 m apart m long cable measured the twist length and the deviation certainly.
- To determine the twist lengths the length of measured at least 10 twists and by the number of Divided twists to find an average twist length.
- the centricity of the vein geometry is over 90%, preferably over 95%, this leads cumulatively or alternatively to the length of the Direction change point or the uniformity of the pair twist an improvement in the transmission properties of the data cable.
- the centricity is the difference between the maximum and minimum wall thickness of the cores in relation to the total diameter in relation to the total diameter, with 5 here too Samples can be checked on 1000 cable meters.
- the difference between the longest and the shortest twisting length of two individual elements maximum 4 mm, preferably a maximum of 3 mm, multiplied by the number of Individual elements minus one (n-1).
- This measure also leads alternatively or cumulatively to the above-mentioned features that the single-stranded individual elements a wave or the data extremely precise and reliably transmitted at high frequency can.
- the stability of the stranded composite can vary Requirements are increased by the fact that the data cable is also stranded Has support elements.
- Such support elements can in particular accurate regardless of the lay lengths of the individual elements Positioning of the individual elements with each other, especially in Area of the change of direction.
- Shielding can use any suitable shielding come.
- a metallic screen has proven itself here
- This slide can on the one hand banded, for example with a pitch angle between 10 ° and 15 ° or on the other hand longitudinal, that is, with a parallel Overlap edge may be provided.
- SZ stranding which is natural Changes of direction includes that of reliable shielding in particular through a foil that reliably a enclosing shielding can be guaranteed.
- Such Reliable shielding can be used especially in conjunction with the above-mentioned SZ stranding techniques are guaranteed, as these in their Characteristics are chosen so that shielding is reliable can also be stranded.
- the degree of overlap is preferably greater than 5% Total film width.
- the Degree of overlap up to over 20%, in particular also over 30% become. Such a degree of overlap ensures that the film the individual element after the stranding process reliably encloses, so that a adequate shielding is guaranteed.
- the production of the data cable is simplified if both at least a single element as well as the data cable itself in one Operation can be stranded. In this way, transport operations, in which a stranded single element is wound and on one subsequent station for the production of the data cable again be handled, avoided. In addition, the Risk of overstressing the individual element before it closes put together in a fixed stranded connection in a data cable and secured, avoid, so that this procedure also improves the quality of the data cable.
- the invention is distinguished Data cable or the manufacturing method according to the invention thereby from that it is particularly gentle on the individual elements with each other stranded. Accordingly, the invention proposes that the SZ stranding method in itself, although it is already relatively gentle, is carried out by the process side in such a way that the Individual elements are protected as much as possible during the stranding process if the individual elements are out of phase by at least two driven stranding guides, one of which, if necessary, constantly is kept still, are stranded together, like this with all Stranding devices and especially also for SZ stranding devices the case is.
- At least one Guide element with a guide surface that is perpendicular to the Running direction of the respective individual element is designed to be flexible is include.
- the individual elements run continuously between the strand guides.
- the latter can e.g. B. by elastic tubes of different materials, such as. B. Plastic or metal, or spring tubes or plastic tubes, the are arranged between the strand guides, are accomplished, thereby virtually a continuous stranding, which is particularly gentle on the individual elements.
- Twist angle is at most 15 °, preferably 10 ° or 5 °.
- a stabilizing helix can be used to stabilize the stranding or cross helix can be provided.
- the spiral lay length is preferably a maximum of 50%, in particular 20%, of Lay length.
- the data cable shown in the figure comprises four individual elements 1 to 4, each formed from two wires 5, 6 (numbered as an example) are.
- Each of the single wires consists of a conductor and an insulation, which are not shown individually and are designed in the usual way.
- the individual elements 1 to 4 are stranded together, with each other a change of direction 7 changes the direction of impact.
- the stranded wires 5, 6 of each individual element 1 to 4 are each surrounded by a shielding film 8, which in the present Embodiment banded with a degree of overlap of is trained at least 30%.
- the wires 5, 6 sz-stranded with each other the wires 5, 6 sz-stranded with each other; the The stranding of the cores thus also shows changes of direction.
- the cable is also from a not shown Overall shielding as well as a securing plastic sheath.
- an SZ tubular spoke stranding system as shown in FIG. 2 is shown and which in this embodiment with a Speed of 2000 revolutions per minute works, for application come. This is used for this embodiment coming machine to a maximum of 20 strokes in one direction and one short adjustable turning point length. She points at this Embodiment a cross-setting spinner. You can about it operate with lay lengths between 30 mm and 300 mm.
- the stranding unit also has four tangential traction-controlled Coils as processes. These are closed over a Control circuit controlled via a tensile load cell.
- the traction area can be set between 10 and 100 N in this exemplary machine. For example, a potentiometer can be used for this. To save time, the next one can be used in these processes Coil set can already be set up while the stranding unit produced so that short setup and start-up times are achieved can.
- the stranding unit can - depending on the specific embodiment - one Have disc trigger or a caterpillar trigger.
- a corresponding rewinder for the finished data cable includes via a dancer control traction-controlled, tangentially active coils, depending on the cable length between 630 and 1250 coils can be.
- the pulling force can be regulated between 40 and 400 N. become.
- the machine preferably comprises a take-up store, to avoid standstills when changing bobbins.
- the stranding unit is one in the present exemplary embodiment Pipe storage SZ-stranding. These ensure a special Gentle treatment of the individual elements during the stranding process.
- Such a machine can be operated such that the Data cables described above with a centricity greater than 95% with regard to the core geometry, a uniformity in the pair twist of ⁇ 0.2 mm and a pair twist distance of less than 3 mm can.
- Pipe storage stranding system as shown in Figure 2.
- Attachments are wires 5, 6 (numbered as an example) each over individual Tube storage stranding systems 10 (numbered as an example) Individual elements 1 to 4 twisted. These individual elements 1 to 4 are in another tube storage stranding system 11 stranded together.
- each of the tube storage stranding systems 10 and 11 respectively stranding elements 5, 6 or 1 to 4 first to a fixed Guide disc 12 and 13 guided. Then these Elements 5, 6 or 1 to 4 of an alternating right-left rotating reversing washer 14, 15 (stranding disk) fed.
- 15 is a tubular guide device 16, 17, so that in this embodiment the guide length Distance of the strand guides 12, 14 or 13, 15 corresponds. It understands that shorter pipe sections can also be used, as long as the elements to be stranded are sufficiently stable and gentle be performed.
- the tubular guide devices perpendicular to the running direction of the respective stranding elements 5, 6 or 1 to 4 flexible Guide surfaces formed, which gently guide this Allow stranding elements 5, 6 or 1 to 4.
- the stranding elements 5, 6 and 1 to 4, respectively, are provided by the washer 14, 15 led to stranding nipples 18, 19.
- a torsion lock 20 for example as Trigger disc or is designed as a tape trigger and prevents the association through the stranding in the stranding elements resulting tensions turn up again, that means that the Loosen the stranding layer.
- Torsion lock also between the stranding nipple 18 and the Guide disc 13 may be provided.
- SZ stranding systems such as perforated disc stranding systems, Twister stranding systems or double twister stranding systems using the SZ method operated, can be used.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ropes Or Cables (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Abstract
Description
- Figur 1
- schematisch ein erfindungsgemäßes Datenkabel und
- Figur 2
- schematisch eine Verseilanlage zur Herstellung eines erfindungsgemäßen Datenkabels.
Claims (18)
- Datenkabel bestehend aus mindestens zwei Einzelelementen (1 bis 4), die untereinander verseilt sind und die jeweils mindestens zwei untereinander verdrillte Adern (5, 6) aufweisen, dadurch gekennzeichnet, dass die Einzelelemente (1 bis 4) untereinander sz-verseilt sind.
- Datenkabel nach Anspruch 1, dadurch gekennzeichnet, dass die Adern (5, 6) wenigstens eines Einzelelementes (1 bis 4) untereinander sz-verdrillt sind.
- Datenkabel nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass eine Richtungswechselstelle (7) maximal das 2-fache der mittleren Verseilschlaglänge beträgt.
- Datenkabel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Gleichmäßigkeit der Paarverdrillung ± 0,5 mm, vorzugsweise ± 0,2 mm, nicht überschreitet.
- Datenkabel nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Zentrizität der Adergeometrie ≥ 90 %, vorzugsweise ≥ 95 %, ist.
- Datenkabel nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Unterschied zwischen der längsten und der kürzesten Verdrilllänge der Adern (5, 6) zweier Einzelelemente (1 bis 4) maximal 4 mm, vorzugsweise maximal 3 mm, multipliziert mit der Zahl der Einzelelemente (1 bis 4) minus eins (n-1) beträgt.
- Datenkabel nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Datenkabel mitverseilte Stützelemente aufweist.
- Datenkabel nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass wenigstens ein Einzelelement (1 bis 4) einzeln abgeschirmt ist.
- Datenkabel nach Anspruch 8, dadurch gekennzeichnet, dass die Abschirmung eine Folie (8) mit einem Überlappungsgrad von über 5 % der Gesamtfolienbreite umfasst.
- Verfahren zum Herstellen eines Datenkabels, bei welchem Adern (5, 6) zunächst zu wenigstens zwei Einzelelementen (1 bis 4) verdrillt und anschließend die Einzelelemente (1 bis 4) sz-verseilt werden.
- Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass die Adern (5, 6) wenigstens eines Einzelelementes (1 bis 4) sz-verseilt werden.
- Verfahren nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass sowohl wenigstens ein Einzelelement (1 bis 4) als auch der Verseilverbund der Einzelelemente (1 bis 4) in einem Arbeitsgang verseilt werden.
- Verfahren nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass die Einzelelemente (1 bis 4) durch wenigstens zwei phasenversetzt angetriebene Verseilführungen miteinander verseilt werden, wobei die Verseilführungen wenigstens ein Führungselement mit einer Führungsfläche, die senkrecht zur Laufrichtung des jeweiligen Einzelelementes biegeelastisch ausgebildet ist, umfasst.
- Verfahren nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass die Einzelelemente (1 bis 4) durch wenigstens zwei phasenversetzt angetriebene Verseilführung miteinander verseilt werden, wobei die Führungslänge, entlang welcher die Einzelelemente (1 bis 4) an den Verseilführungen geführt werden, mindestens 5 % des Abstandes der Verseilführungen untereinander beträgt.
- Verfahren nach einem der Ansprüche 10 bis 14, dadurch gekennzeichnet, dass die Einzelelemente (1 bis 4) durch wenigstens zwei phasenversetzt angetriebene Verseilführungen miteinander verseilt werden, wobei die Einzelelemente (1 bis 4) durchgehend zwischen den Verseilführungen geführt werden.
- Verfahren nach einem der Ansprüche 10 bis 15, dadurch gekennzeichnet, dass auf zwei Schlägen in eine Richtung der Verdrillwinkel maximal 15°, vorzugsweise 10°, beträgt.
- Verfahren nach einem der Ansprüche 10 bis 16, dadurch gekennzeichnet, dass die Verseilelemente mit einer Haltewendel oder einer Kreuzwendel stabilisiert werden.
- Verfahren nach Anspruch 17, dadurch gekennzeichnet, dass die Wendelschlaglänge der Halte- bzw. Kreuzwendel maximal 50 % der Verseilschlaglänge beträgt.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10028840 | 2000-06-15 | ||
DE10028840 | 2000-06-15 | ||
DE10045405 | 2000-09-14 | ||
DE10045405A DE10045405A1 (de) | 2000-06-15 | 2000-09-14 | Datenkabel sowie Verfahren zum Herstellen eines Datenkabels |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1174886A2 true EP1174886A2 (de) | 2002-01-23 |
EP1174886A3 EP1174886A3 (de) | 2003-01-15 |
Family
ID=26006053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01114420A Withdrawn EP1174886A3 (de) | 2000-06-15 | 2001-06-15 | Datenkabel sowie Verfahren zum Herstellen eines Datenkabels |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1174886A3 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005032651A1 (en) * | 2003-10-02 | 2005-04-14 | Medtronic, Inc. | Implantable medical lead and method of manufacture |
WO2006066232A1 (en) * | 2004-12-17 | 2006-06-22 | Panduit Corp. | Communication cable with variable lay length |
EP1688968A1 (de) * | 2005-02-04 | 2006-08-09 | Nexans | Spiralförmiges elektrisches Kabel |
US20160336095A1 (en) * | 2014-01-23 | 2016-11-17 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Cable arrangement |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3507108A (en) * | 1965-03-01 | 1970-04-21 | Fujikura Ltd | Method of producing s-z alternating twists and the apparatus therefor |
-
2001
- 2001-06-15 EP EP01114420A patent/EP1174886A3/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3507108A (en) * | 1965-03-01 | 1970-04-21 | Fujikura Ltd | Method of producing s-z alternating twists and the apparatus therefor |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005032651A1 (en) * | 2003-10-02 | 2005-04-14 | Medtronic, Inc. | Implantable medical lead and method of manufacture |
CN101080787B (zh) * | 2004-12-17 | 2010-11-17 | 泛达公司 | 具有可变捻距的通信电缆 |
US7345243B2 (en) | 2004-12-17 | 2008-03-18 | Panduit Corp. | Communication cable with variable lay length |
WO2006066232A1 (en) * | 2004-12-17 | 2006-06-22 | Panduit Corp. | Communication cable with variable lay length |
US8253023B2 (en) | 2004-12-17 | 2012-08-28 | Panduit Corp. | Communication cable with variable lay length |
US9029706B2 (en) | 2004-12-17 | 2015-05-12 | Panduit Corp. | Communication cable with variable lay length |
EP1688968A1 (de) * | 2005-02-04 | 2006-08-09 | Nexans | Spiralförmiges elektrisches Kabel |
US7497070B2 (en) | 2005-02-04 | 2009-03-03 | Nexans | Helically-wound electric cable |
US7663058B2 (en) | 2005-02-04 | 2010-02-16 | Nexans | Helically-wound electric cable |
US8069644B2 (en) | 2005-02-04 | 2011-12-06 | Nexans | Helically-wound electric cable |
US20160336095A1 (en) * | 2014-01-23 | 2016-11-17 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Cable arrangement |
US10115499B2 (en) * | 2014-01-23 | 2018-10-30 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Cable arrangement |
TWI650772B (zh) * | 2014-01-23 | 2019-02-11 | 德商羅森伯格高頻技術公司 | 電纜結構及其生產方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1174886A3 (de) | 2003-01-15 |
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