EP0619583A2 - Câble rond électrique - Google Patents

Câble rond électrique Download PDF

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Publication number
EP0619583A2
EP0619583A2 EP94103423A EP94103423A EP0619583A2 EP 0619583 A2 EP0619583 A2 EP 0619583A2 EP 94103423 A EP94103423 A EP 94103423A EP 94103423 A EP94103423 A EP 94103423A EP 0619583 A2 EP0619583 A2 EP 0619583A2
Authority
EP
European Patent Office
Prior art keywords
round
carrier tape
cable according
line elements
round 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.)
Granted
Application number
EP94103423A
Other languages
German (de)
English (en)
Other versions
EP0619583A3 (fr
EP0619583B1 (fr
Inventor
Ulrich Schricker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WL Gore and Associates GmbH
Original Assignee
WL Gore and Associates GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WL Gore and Associates GmbH filed Critical WL Gore and Associates GmbH
Publication of EP0619583A2 publication Critical patent/EP0619583A2/fr
Publication of EP0619583A3 publication Critical patent/EP0619583A3/fr
Application granted granted Critical
Publication of EP0619583B1 publication Critical patent/EP0619583B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • H01B7/0892—Flat or ribbon cables incorporated in a cable of non-flat configuration
    • 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
    • H01B7/08—Flat or ribbon cables
    • H01B7/0846—Parallel wires, fixed upon a support layer

Definitions

  • the invention relates to an electrical round cable with at least one ribbon cable curled into a round shape with a plurality of electrical line elements arranged parallel to one another in a band shape by means of a carrier.
  • the invention also relates to a ribbon cable as such, which can be used for such a round cable.
  • the insulation displacement technique is used in particular for cables with a larger number of electrical conductors.
  • flat connectors are used with one or more rows of contact elements arranged side by side, which are provided with insulation displacement slots that are open on one side.
  • the individual electrical conductors to be connected, together with their insulating material, are pressed into the associated insulation displacement slot.
  • the diaphragm walls cut through the insulation and bite into the electrical conductor. This creates a permanent electrical and mechanical connection between the electrical conductor and the associated contact element. Since all electrical conductors can be pressed into the respective insulation displacement slots at the same time, this connection technique represents a typical mass connection technique.
  • round cables have already been used for the insulation displacement technology, which are either made up of ribbon cables or have pre-assembled cable ends.
  • Round cables whose conductors or conductor elements (insulated wires or strands, coaxial cables or twisted conductor pairs) have been formed into a round cable in the usual way by stranding, lead to problems during the process of connecting to electrical connectors, as described below, for example, in connection with the connection using the Insulation displacement technology.
  • the individual conductors or conductor elements fall apart without observing a certain grid dimension.
  • they To connect using insulation displacement technology, they must first be aligned next to one another in some way so that they correspond to the grid dimension of the flat connector formed with insulation displacement slots. It is therefore known that cables are already available from the cable manufacturer or cut to the required length on site and provided with pre-assembled ends.
  • the individual wires if necessary after removing a cable jacket made of insulating material, are aligned in parallel at the cable ends and then either the thermal insulation of the individual wires is thermally glued to one another or glued in parallel on a film.
  • An example of this is shown in US Pat. No. 4,576,662.
  • a disadvantage of pre-assembly at the cable manufacturer is that cut lengths have to be used.
  • aligning and gluing the wires in parallel is very time-consuming.
  • the accuracy of the achievable grid size is only low.
  • round cables have already been used, which are formed from a ribbon cable.
  • a variant of this is a round cable that contains a Z-shaped or similarly folded extruded or laminated ribbon cable.
  • this does not result in a really round cable, but basically only a ribbon cable of smaller width and greater thickness than unfolded ribbon cables.
  • the consequence are preferred bending directions. That is, the bendability of this cable is not the same in all directions. You also get a larger overall diameter.
  • the kinking of the ribbon cable during the Z-shaped folding leads to local insulation expansions. These result in changes in the grid dimension.
  • From US-PS 5 053 583 is a ribbon cable with several cables embedded in insulating material of different diameters and different Structure known which has been brought into the shape of a round cable by folding and / or winding the ribbon cable and by means of a cable sheath arranged above it. An air core remains in the middle of the round cable or this is filled with the cables of larger diameter after they have been separated from the ribbon cable by cutting.
  • extruded or laminated ribbon cable is wound in a spiral around a carrier element with a circular cross section and thereby processed into a round cable.
  • the disadvantage here is that the diameter of the round cable is much larger than that of comparable normal round cables.
  • this cable construction leads to less flexibility.
  • a further variant consists in a round cable, which consists of an extruded ribbon cable which is curled into a round shape, on the circumference of which a metallic shield is wound, which is surrounded by an insulating outer jacket.
  • This round cable also has a diameter that is larger than that of a comparable normal round cable. Because the individual conductors are embedded together in a single strip-shaped insulating material during the extrusion process, they can be moved relative to each other much more poorly than independent individual wires of a normal round cable. As a result, an air core in the middle of this round cable can practically not be avoided.
  • This cable is practically no larger than that of a comparable normal round cable. It has the same flexibility as a comparable normal round cable and leads to a much greater grid tolerance than known round cables constructed with ribbon cables.
  • the freedom of movement of the individual line elements of the woven ribbon cable makes it possible to gag into a round cable so that no larger voids are created and a minimum diameter of the round cable can be achieved.
  • the interweaving of the entire ribbon cable does not result in high tensile or compressive forces during gagging to the round cable as with extruded or laminated ribbon cables.
  • the flexibility of the round cable according to the invention corresponds to that of a cable constructed from stranded individual elements.
  • the yardage of the round cable according to the invention can be cut at any point and shows the originally woven ribbon cable again after opening the round cable, but with the greater freedom of movement of the individual line elements already mentioned.
  • this allows the individual line elements to be precisely and easily positioned in the guide combs of the flat plug connectors equipped for the insulation displacement technology.
  • this allows the connection in insulation displacement technology not only in a single grid dimension but in a grid dimension range of, for example, 0.05 to 0.2 inches (approximately 1.25 mm to 5 mm).
  • the interweaving of the individual line elements to form a ribbon cable means a technical effort that one does not want to spend on some types of cables.
  • the material customary for the weaving threads or weaving tapes is not suitable for the electrical influencing of the electrical properties of the cable, as is often desired.
  • the present invention is intended to make available a ribbon cable and an electrical round cable which can be produced therewith, which has the advantages of the round cable obtained by weaving and choking and can also be produced with less technical outlay and opens up the possibility of better influencing the electrical properties of the round cable.
  • the carrier is formed by a soft carrier tape and that the line elements are arranged on at least one side of the carrier tape at a mutual distance from one another and are only fixed to the carrier tape over a relatively small area of their outer circumference.
  • carrier material which is flexible at least in the longitudinal direction of the line elements. This can result in a cable whose end area for the purpose of connecting is opened to a connector, the individual line elements in the area of the transition from the round cable structure to the open ribbon cable structure in the longitudinal direction against each other. An offset of the free ends of the individual line elements in the longitudinal direction is made possible. This avoids mechanical stresses and strains in the transition area, such as those that occur with round cables that are made from ribbon cables with cable elements embedded in insulating material.
  • ribbon cables which are fixed on separate carrier tapes, can be choked to form a common round cable, for example for better handling and grouping of the individual line elements.
  • carrier material is used for the carrier tape, which is (also) flexible in the transverse direction of the line elements, particularly great flexibility can be achieved with regard to the connection of the line elements of the round cable according to the invention to connectors of different grid spacing with regard to their connecting or contact elements.
  • the soft carrier material of the carrier tape enables the ribbon cable to be easily separated into individual wires for the purpose of connection to the contact elements of a connector.
  • the line elements of which are embedded in an insulating material of comparatively great rigidity and strength such a separation in individual wires is considerably more difficult.
  • the carrier tape which is soft according to the invention should preferably have textile-like softness, so that problem-free folding is possible in both directions of the carrier tape, without a hindrance as in the use of conventional ribbon cables with line elements embedded in insulating material.
  • material is used for the carrier tape in which particles which influence the electrical properties of the cable can be embedded.
  • Preferred embedding materials are electrically conductive materials such as carbon, copper, silver, aluminum and mumetal (e.g. 74-77% Ni, 5% Cu, 3-4% Mo or 1.5-2% Cr, rest Fe). You can also embed several of these materials together in the carrier tape material.
  • a degree of filling of the embedded material is selected in accordance with the desired electrical effect.
  • a preferred fill level is in the range of 20-70 percent by volume of the embedded material with respect to the carrier tape material, and a fill level of about 40% is particularly preferred.
  • Dielectric materials such as e.g. Glass particles to be embedded.
  • the degree of filling should be in a size range in which, on the one hand, the electrical resistance between the line elements is still sufficiently large, and on the other hand, a sufficient shielding and damping effect is achieved.
  • the damping effect counteracts resonance phenomena within a cable, namely between individual line elements and / or line elements and a screen and / or several screens.
  • standing waves can arise between adjacent coaxial cables, for example.
  • the selection of the filler material embedded in the carrier tape material depends on whether the damping should be effective more in the low-frequency and / or more in the high-frequency range.
  • Filling material such as Mumetall, which is effective via eddy current losses, has a damping effect in the lower frequency range and little in the upper frequency range.
  • Filler materials such as carbon, copper and silver are effective at higher frequencies, less at low frequencies.
  • Expanded PTFE polytetrafluoroethylene is particularly preferred as the carrier tape material.
  • carrier tape material PTFE, polyester, polyurethane, PVC, elastomers, silicones, natural rubber, coated fabrics (coating with one of the previously specified materials), each in a soft form and preferably stretchable in the transverse and / or longitudinal direction.
  • the conductor elements can be insulated wires, strands, twisted pairs, coaxial cables and / or so-called tri-leads.
  • Tri-Lead are coaxial cables with a non-concentric cross-section.
  • a round inner conductor is surrounded by a concentric dielectric made of insulating material.
  • a drain wire runs on two opposite sides of the outer circumference of the concentric dielectric in the longitudinal direction of the cable.
  • a shielding film made of electrically conductive material is arranged around the concentric dielectric and the two drain wires. This is surrounded by a cable jacket made of insulating material.
  • the individual line elements are preferably fixed to the carrier tape over a circumferential area of approximately 5-40% of their outer circumference. A peripheral range of about 20% is particularly preferred. This ensures a high foldability of the carrier tape with the line elements attached to it.
  • the ribbon cable curled into a round shape can be surrounded by at least one outer jacket made of insulating material.
  • At least one electrical screen made of wound or braided wire or made of an electrically conductive material or metallized plastic strip can be arranged between the ribbon cable choked to a round shape and the outer jacket.
  • Fig. 1 shows a ribbon cable 11 of the type according to the invention with a carrier tape 13 made of a soft, supple material, preferably expanded PTFE, on one side of which a number of line elements 15 are fixed in a parallel arrangement at a mutual distance from one another.
  • a carrier tape 13 made of a soft, supple material, preferably expanded PTFE, on one side of which a number of line elements 15 are fixed in a parallel arrangement at a mutual distance from one another.
  • Each line element is fixed to the carrier tape 13 only with a relatively small area of its outer circumference.
  • the embodiment shown is a line element of the Tri-Lead type already mentioned.
  • This is a type of coaxial cable with an inner conductor 17, which is surrounded concentrically by a dielectric 19.
  • a drain wire 21 runs on two opposite sides of the outer circumference of the dielectric 19.
  • the dielectric 19 and the drain wires 21 running along it are surrounded by a metallic or metallized shielding foil 23.
  • This in turn is encased in a cable jacket 25 made of a plastic material.
  • the drain wires 21 are in electrical contact with the shielding foil 23. They are provided because it is easier not the shielding foil 23 but the one To connect drain wires 21 at the end of the cable to the connection or contact elements of an electrical connector.
  • the mutual distances between adjacent line elements 15 are at least as large as the maximum diameter of a single line element. This ensures that the carrier tape 13 can be folded as desired without being hindered by line elements that are too closely adjacent.
  • the ribbon cable 11 according to FIG. 1 can be used as such for applications in which the softness and good foldability of a ribbon cable are important. It is particularly suitable for the gagging to a round cable, as shown in Fig. 2.
  • the round cable shown in cross section in FIG. 2 contains a strangled ribbon cable 11 with a carrier tape 13 on which a number of signal cables 27 in the form of tri-lead cables of the type shown in FIG. 1 are fixed.
  • a central area of the carrier tape 13 is located in the middle between the signal cables 27.
  • An outer area of the carrier tape 13 encloses the signal cables 27.
  • the ribbon cable 11 is concentrically surrounded by a binder 29, by means of which the gagged ribbon cable is held in a round shape.
  • the binder 29 is concentrically surrounded by a shield 31.
  • This is optional and consists, for example, of a screen braid or a screen film made of or with an electrically conductive material.
  • the shield 31 is in turn surrounded by a binder 33 concentrically. This is covered by a jacket 35 made of insulating material.
  • the coat is also optional.
  • expanded PTFE is used to a particularly preferred extent as the material for the carrier tape.
  • the material for the carrier tape for the individual conductors and layers of the signal cables 27, for the binders 29, 33 and for the shield 31 and the sheath 35, customary and known materials are used for this purpose, which therefore need not be listed here.

Landscapes

  • Insulated Conductors (AREA)
  • Communication Cables (AREA)
EP94103423A 1993-03-08 1994-03-07 Câble électrique rond Expired - Lifetime EP0619583B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9303370U DE9303370U1 (de) 1993-03-08 1993-03-08 Elektrisches Rundkabel
DE9303370U 1993-03-08

Publications (3)

Publication Number Publication Date
EP0619583A2 true EP0619583A2 (fr) 1994-10-12
EP0619583A3 EP0619583A3 (fr) 1995-06-14
EP0619583B1 EP0619583B1 (fr) 1998-05-27

Family

ID=6890342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94103423A Expired - Lifetime EP0619583B1 (fr) 1993-03-08 1994-03-07 Câble électrique rond

Country Status (4)

Country Link
US (1) US5463186A (fr)
EP (1) EP0619583B1 (fr)
JP (1) JPH0757553A (fr)
DE (2) DE9303370U1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5834698A (en) * 1995-08-30 1998-11-10 Mitsuba Corporation Composite cable with built-in signal and power cables
US5738936A (en) * 1996-06-27 1998-04-14 W. L. Gore & Associates, Inc. Thermally conductive polytetrafluoroethylene article
EP1178571A3 (fr) * 2000-07-31 2002-04-03 FINCANTIERI CANTIERI NAVALI ITALIANI S.p.A. Améliorations de dispositifs et procédés pour la distribution d'électricité et de signaux, en particulier dans le domaine naval
NL1015895C2 (nl) * 2000-08-08 2002-02-12 Beele Eng Bv Doorvoerinrichting.
DE10119653C1 (de) * 2001-04-20 2003-03-20 Siemens Ag Mehrleiteranordnung zur Energie- und/oder Datenübertragung
US6870109B1 (en) 2001-06-29 2005-03-22 Cadwell Industries, Inc. System and device for reducing signal interference in patient monitoring systems
JP4834199B2 (ja) * 2005-01-17 2011-12-14 株式会社潤工社 フラットケーブル
WO2010040256A1 (fr) 2008-10-09 2010-04-15 Corning Cable Systems Llc Terminal à fibre optique ayant un panneau adaptateur portant à la fois les fibres d'entrée et de sortie provenant d'un diviseur optique
US9685259B2 (en) 2009-06-19 2017-06-20 3M Innovative Properties Company Shielded electrical cable
SG177274A1 (en) 2009-06-19 2012-02-28 3M Innovative Properties Co Shielded electrical cable
US8002572B2 (en) * 2009-07-15 2011-08-23 Luxi Electronics Corp. HDMI DIY field termination products
US9547145B2 (en) 2010-10-19 2017-01-17 Corning Optical Communications LLC Local convergence point for multiple dwelling unit fiber optic distribution network
ES2448644T3 (es) * 2011-05-26 2014-03-14 Ccs Technology, Inc. Dispositivo de distribución de fibra óptica
US9219546B2 (en) 2011-12-12 2015-12-22 Corning Optical Communications LLC Extremely high frequency (EHF) distributed antenna systems, and related components and methods
US10110307B2 (en) 2012-03-02 2018-10-23 Corning Optical Communications LLC Optical network units (ONUs) for high bandwidth connectivity, and related components and methods
US9411120B2 (en) * 2013-03-15 2016-08-09 Commscope, Inc. Of North Carolina Multi-cable breakout assembly
US20160233006A1 (en) * 2015-02-09 2016-08-11 Commscope Technologies Llc Interlocking ribbon cable units and assemblies of same
CN107767995B (zh) * 2017-09-23 2023-10-03 立讯精密工业股份有限公司 圆形线缆
CN111048239A (zh) * 2018-10-12 2020-04-21 泰科电子(上海)有限公司 组合线缆
WO2020080540A1 (fr) * 2018-10-19 2020-04-23 株式会社 潤工社 Câble rond
JP7249227B2 (ja) * 2019-07-18 2023-03-30 日本航空電子工業株式会社 集合ケーブル

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FR2457548A1 (fr) * 1979-05-23 1980-12-19 Cables De Lyon Geoffroy Delore Procede de fabrication de cables electriques a conducteurs multiples, et dispositif de mise en oeuvre du procede
EP0457424A1 (fr) * 1990-05-16 1991-11-21 Becton, Dickinson and Company Multiconducteur et support et machine et procédé de fabrication
EP0487354A2 (fr) * 1990-11-23 1992-05-27 W.L. GORE & ASSOCIATES (UK) LTD Procédé de fabrication des câbles-ruban électriques
WO1993014505A1 (fr) * 1992-01-09 1993-07-22 Raychem Corporation Cable plat

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Publication number Priority date Publication date Assignee Title
FR2457548A1 (fr) * 1979-05-23 1980-12-19 Cables De Lyon Geoffroy Delore Procede de fabrication de cables electriques a conducteurs multiples, et dispositif de mise en oeuvre du procede
EP0457424A1 (fr) * 1990-05-16 1991-11-21 Becton, Dickinson and Company Multiconducteur et support et machine et procédé de fabrication
EP0487354A2 (fr) * 1990-11-23 1992-05-27 W.L. GORE & ASSOCIATES (UK) LTD Procédé de fabrication des câbles-ruban électriques
WO1993014505A1 (fr) * 1992-01-09 1993-07-22 Raychem Corporation Cable plat

Also Published As

Publication number Publication date
EP0619583A3 (fr) 1995-06-14
JPH0757553A (ja) 1995-03-03
DE59406068D1 (de) 1998-07-02
US5463186A (en) 1995-10-31
EP0619583B1 (fr) 1998-05-27
DE9303370U1 (de) 1994-07-28

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