EP3142127B1 - Cable electrique ayant un fil de masse - Google Patents

Cable electrique ayant un fil de masse Download PDF

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Publication number
EP3142127B1
EP3142127B1 EP15184894.2A EP15184894A EP3142127B1 EP 3142127 B1 EP3142127 B1 EP 3142127B1 EP 15184894 A EP15184894 A EP 15184894A EP 3142127 B1 EP3142127 B1 EP 3142127B1
Authority
EP
European Patent Office
Prior art keywords
cable
drain wire
shield
electrically conductive
electrical
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.)
Active
Application number
EP15184894.2A
Other languages
German (de)
English (en)
Other versions
EP3142127A1 (fr
Inventor
Martin Huber
Michael Feist
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.)
MD Elektronik GmbH
Original Assignee
MD Elektronik 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 MD Elektronik GmbH filed Critical MD Elektronik GmbH
Priority to EP15184894.2A priority Critical patent/EP3142127B1/fr
Priority to DE102016212870.1A priority patent/DE102016212870A1/de
Priority to MX2016011012A priority patent/MX361758B/es
Priority to US15/259,082 priority patent/US9997275B2/en
Priority to CN201610814327.1A priority patent/CN107039105B/zh
Publication of EP3142127A1 publication Critical patent/EP3142127A1/fr
Application granted granted Critical
Publication of EP3142127B1 publication Critical patent/EP3142127B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/0045Cable-harnesses
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/0009Details relating to the conductive cores
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023Alloys based on aluminium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/026Alloys based on copper
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00Communication cables or conductors
    • H01B11/18Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
    • H01B11/20Cables having a multiplicity of coaxial lines
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0036Details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/40Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing

Definitions

  • the invention relates to an electrical cable with a Beilauflitze according to the preamble of claim 1.
  • Such a cable comprises a sheath (cable sheath) surrounding a cable interior, and at least one arranged inside the cable electrically conductive wire of the cable, which is surrounded by an insulating sheath and extending in the cable interior along the cable longitudinal direction, in particular at least two such wires. Furthermore, a screen (cable shield) is provided for shielding the cable interior, which is assigned at least one arranged inside the cable Beilauflitze, which - as the wire (s) of the cable - is formed of electrically conductive material, but is not surrounded by an insulating sheath so that it can make electrical contact with the cable shield.
  • a function of the trailing wire is to put the cable screen to ground potential, even if it is damaged, such as when a screen in the form of a film is partially torn open.
  • each Beilauflitze also contribute to the shielding of the cable interior (shielding a Beilauflitze).
  • the Beilauflitze runs for this example in the cable inside along the local wire (s) from a first end to the other end of the cable.
  • a respective Beilauflitze When assembling such a cable, e.g. in order to provide it with an electrical plug, a respective Beilauflitze must be separated from the or the wire (s) of the cable. This is associated with some assembly work, especially since the wire (s) and the Beilauflitze (s) are accessible only through the cable sheath and the cable screen, which must be opened for this purpose.
  • the invention is based on the problem to provide an electrical cable with Beilauflitze of the aforementioned type, which allows a simplified assembly.
  • the at least one drain wire of the cable contains a ferromagnetic material.
  • a respective Beilauflitze at least partially made of ferromagnetic material, it can be easily separated from the wires of a cable by the cable assembly is exposed to a magnetic field, which moves (consisting of a ferromagnetic material) Beilauflitze (s) targeted along a guideway , Each Beilauflitze can be transferred to a position that allows or facilitates the desired processing / assembly of the cable.
  • the ferromagnetic material may be an alloy, in particular steel, e.g. based on iron, nickel and / or cobalt.
  • the drain wire is made entirely of an electrically conductive, ferromagnetic material, such as steel.
  • the drain wire comprises at least one core of a ferromagnetic material which is surrounded by an electrically conductive material.
  • This variant of the invention makes it possible on the one hand to optimize the core of a respective Beilauflitze with a view to the ferromagnetic properties, and on the other hand - regardless of the surrounding the core electrically conductive material in terms of electrical Optimize line properties.
  • an electrically conductive material which may be applied as a layer, in particular by electroplating, on the core, for example, copper is suitable.
  • a respective core and / or a respective auxiliary strand of the electrical cable can in particular consist of a plurality of individual wires.
  • a drain wire with at least one core of a ferromagnetic material which is surrounded by an electrically conductive material this means that a respective individual wire comprises a core of a ferromagnetic material and a surrounding layer of an electrically conductive material.
  • the Beilauflitze (s) of the other components of the cable such as the cable shield and the wires
  • these components in particular for the cable shield, advantageously non-ferromagnetic materials.
  • a material for the cable shield for example, aluminum is suitable.
  • the cable shield can be formed on the one hand by a braid or on the other hand by a film.
  • the latter may for example consist of aluminum or be designed as a plastic film, which is coated on its inside facing the cable inside with an electrically conductive material such as aluminum.
  • a cable screen in the form of a film may be wrapped around the cable interior in such a way that the end sections of the cable screen or the film overlap in the circumferential direction. Under the action of magnetic forces to separate the trailing wire (s) from the wires of the cable, this overlap can be automatically canceled when the trailing wires (n) push radially outward and act on the cable shield.
  • the cable shield is arranged between the cable sheath and the cable interior such that electrical contact is made possible between a cable strand arranged inside the cable and the cable shield.
  • the cable shield may be integrated in the cable sheath, e.g. by gluing the cable shield with its outside facing away from the cable inside with the cable sheath.
  • a method for producing an electric cable with Beilauflitze is characterized by the features of claim 13.
  • FIG. 1 shows an electrical cable, which is designed in the embodiment as a two-core cable.
  • the two wires 1 of the cable run along the cable longitudinal direction L (see. FIG. 2 ) next to each other. They are each formed by an electrical line 11, for example made of copper, as well as an insulating sheath 12 surrounding the respective line.
  • the wires 1 of the cable are arranged together in a defined by a cable sheath 3 and of this in cross-section annularly enclosed cable interior.
  • the cable sheath 3 consists of an electrically insulating material.
  • a cable shield 4 is further arranged, which may be formed for example by a braided screen or by a film.
  • the cable shield serves to shield the interior of the cable and is made of a metallic material, e.g. Aluminum.
  • a cable shield 4 in the form of a foil may be an aluminum foil.
  • a plastic film can be used for this, which, in particular on the inner side facing the cable interior, is coated with an electrically conductive material, such as e.g. Aluminum, coated.
  • Screen braids are used in particular for shielding at comparatively low frequencies and cable screens in the form of films for shielding at relatively high frequencies (1 MHz to 10 GHz).
  • FIG. 3 schematically shows a possible concrete embodiment of a cable shield 4.
  • the cable shield 4 is wrapped in the form of a film around the cable interior, that the two end portions 41, 42 of the film overlap in the circumferential direction.
  • the resulting overlap region of the cable shield 4 can be selectively opened when - should be accessed, for example, when assembling the cable - on the cable interior.
  • the cable shield 4 may be combined with the cable sheath 3 to form a structural unit, e.g. in that the cable shield 4 is connected to the cable sheath 3 on its outer surface remote from the cable interior, for instance via an adhesive.
  • Beilauflitzen 2 are arranged in the cable interior, which extend in each case together with the cores 1 along the cable longitudinal direction L.
  • the battens 2 are electrically conductive and not isolated, and they are in electrical contact with the cable shield 4.
  • Such Beilauflitzen 2 serve to put the cable shield 4 defined to ground potential, and advantageously even if the cable shield 4 is locally damaged, as in the case of a film is partially torn.
  • the battens 2 can additionally contribute to the shielding of the cable interior.
  • the Beilauflitzen 2 For assembling a cable of in FIG. 1 As shown, for example, to provide the cable with an electrical connector, the Beilauflitzen 2 must be separated from the wires 1 in order to perform a respective cable component to the designated connector area.
  • a respective Beilauflitze 2 in this case a magnetic, in particular a ferromagnetic material. This may be an alloy (based on iron, nickel, cobalt), in particular steel.
  • a respective fill-string wire 2 consists entirely of an electrically conductive ferromagnetic material.
  • a respective Beilauflitze 2 at least one consisting of a ferromagnetic material core, which is surrounded by an electrically conductive material.
  • This embodiment makes it possible to optimize, on the one hand, the core of a respective fill-strand 2 with regard to the magnetic properties and to optimize the outer conductive region of a respective fill-strand 2 with regard to the electrical properties (also with regard to the skin effect at high frequencies).
  • a respective Beilauflitze 2 may be formed approximately by a core of steel, which is copper is coated. The coating can be done, for example, by electroplating.
  • the battens can also be silvered, gilded or provided with a platinum layer.
  • Both a respective core 1 and a respective Beilauflitze 2 of the electric cable FIG. 1 in this case consists of a plurality of individual wires.
  • Figure 1A this is shown enlarged by way of example for a Beilauflitze 2.
  • the Beilauflitze 2 comprises a plurality, namely in the embodiment, a total of seven, individual wires 20. Of these, one is centrally located and is surrounded by the other (six).
  • a respective individual wire 20 of the Beilauflitze 2 in this case has a ferromagnetic core 21, for example made of steel, iron, nickel or cobalt, and an electrically conductive coating 22, for example of copper, on. This can be applied by electroplating and, for example, be platinum-plated.
  • the electrically conductive material surrounding the core 21 may have a layer thickness of 3 ⁇ m to 300 ⁇ m, in particular up to 100 ⁇ m.
  • FIG. 1 For assembling the cable FIG. 1 For example, to connect this to an electrical connector, an end portion of the cable is removed from the cable sheath 3, as in FIG FIG. 2 shown. If the cable shield 4 is connected to the cable sheath 3 in the corresponding cable, for example by holding the cable shield 4 to the sheath 3 via an adhesive, the shield 4 is simultaneously removed when the cable sheath 3 is removed. This corresponds to the in FIG. 2 shown situation.
  • a respective fill-strand 2 contains a material with such magnetic properties that the fill-strand 2 can be separated from the wires 1 of a cable under the influence of magnetic forces. That is, the magnetic properties of the fill-strands 2 must be different from those of a respective strand 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Claims (16)

  1. Câble électrique comprenant :
    - une gaine de câble (3), laquelle enferme un intérieur de câble ;
    - au moins un brin (1) de câble, électriquement conducteur, qui est disposé à l'intérieur du câble et qui présente une enveloppe (12) isolante ;
    - un blindage de câble (4) destiné à la protection de l'intérieur du câble ; et
    - au moins un conducteur de drainage (2) électriquement conducteur qui est associé au blindage de câble (4) et qui est disposé à l'intérieur du câble, lequel conducteur de drainage (2) se trouve en contact électrique avec le blindage de câble (4) ;
    caractérisé en ce que
    le conducteur de drainage (2) contient un matériau ferromagnétique.
  2. Câble électrique selon la revendication 1, caractérisé en ce que l'au moins un brin (1) et l'au moins un conducteur de drainage (2) sont acheminés l'un à côté de l'autre entre deux extrémités du câble, à l'intérieur du câble dans la direction longitudinale du câble (L).
  3. Câble électrique selon la revendication 1 ou 2, caractérisé en ce qu'au moins deux brins (1) sont disposés à l'intérieur du câble.
  4. Câble électrique selon l'une des revendications précédentes, caractérisé en ce que le matériau ferromagnétique est un alliage, en particulier de l'acier.
  5. Câble électrique selon l'une des revendications précédentes, caractérisé en ce que l'au moins un conducteur de drainage est entièrement constitué d'un matériau ferromagnétique, lequel est électriquement conducteur.
  6. Câble électrique selon l'une des revendications 1 à 4, caractérisé en ce que le conducteur de drainage (2) présente au moins un noyau (21) constitué d'un matériau ferromagnétique, lequel est entouré par un matériau électriquement conducteur, en particulier du cuivre.
  7. Câble électrique selon la revendication 6, caractérisé en ce que l'au moins un noyau (21) du conducteur de drainage (2) est revêtu du matériau électriquement conducteur, en particulier au moyen d'un processus de galvanisation.
  8. Câble électrique selon la revendication 6 ou 7, caractérisé en ce que le conducteur de drainage (2) comprend une pluralité de fils individuels (20), lesquels présentent respectivement un noyau (21) ferromagnétique et une couche (22) électriquement conductrice qui est appliquée sur le noyau (21) ferromagnétique.
  9. Câble électrique selon l'une des revendications précédentes, caractérisé en ce que le blindage de câble (4) est constitué d'un matériau non ferromagnétique.
  10. Câble électrique selon l'une des revendications précédentes, caractérisé en ce que le blindage de câble (4) contient de l'aluminium.
  11. Câble électrique selon l'une des revendications précédentes, caractérisé en ce que le blindage de câble (4) est formé par une tresse de blindage ou par un film.
  12. Câble électrique selon la revendication 11, caractérisé en ce que le blindage de câble (4) se présente sous la forme d'un film qui est disposé tout autour de l'intérieur du câble, selon lequel deux extrémités (41, 42) du blindage de câble (4) se chevauchent dans la direction circonférentielle du câble, sans pour autant être reliées l'une à l'autre de manière définitive.
  13. Câble électrique selon l'une des revendications précédentes, caractérisé en ce que le blindage de câble (4) est relié de manière définitive à la gaine de câble (3).
  14. Procédé destiné à la fabrication d'un câble électrique avec une gaine de câble (3), laquelle enferme un intérieur de câble, dans lequel sont disposés au moins un brin (1) électriquement conducteur, pourvu d'une enveloppe (12) isolante, ainsi qu'au moins un conducteur de drainage (2) électriquement conducteur, lesquels s'étendent respectivement le long d'une direction longitudinale du câble (L) ;
    selon lequel le conducteur de drainage (2) se trouve en contact électrique avec un blindage (4) du câble, en particulier en vue de la fabrication d'un câble électrique selon l'une des revendications précédentes ; caractérisé en ce que
    un matériau magnétique est employé pour l'au moins un conducteur de drainage (2), lequel matériau permet une séparation du conducteur de drainage (2) de l'au moins un brin (1) du câble sous l'action de forces magnétiques.
  15. Procédé selon la revendication 14, caractérisé en ce qu'un matériau magnétique est employé pour l'au moins un conducteur de drainage (2), dont les propriétés magnétiques se distinguent de telle sorte de celles du matériau de l'au moins un brin (1) que le conducteur de drainage (2) est soumis à une plus forte distorsion que le brin (2), dans un champ magnétique (F) prédéfini.
  16. Procédé destiné à la confection d'un câble électrique selon l'une des revendications 1 à 13, caractérisé en ce que l'au moins un conducteur de drainage (2) est séparé de l'au moins un brin (1) en soumettant le câble à un champ magnétique (F).
EP15184894.2A 2015-09-11 2015-09-11 Cable electrique ayant un fil de masse Active EP3142127B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP15184894.2A EP3142127B1 (fr) 2015-09-11 2015-09-11 Cable electrique ayant un fil de masse
DE102016212870.1A DE102016212870A1 (de) 2015-09-11 2016-07-14 Elektrisches Kabel mit Beilauflitze
MX2016011012A MX361758B (es) 2015-09-11 2016-08-24 Cable electrico con cordon de alambre adicional.
US15/259,082 US9997275B2 (en) 2015-09-11 2016-09-08 Electrical cable with a drain wire
CN201610814327.1A CN107039105B (zh) 2015-09-11 2016-09-09 电缆、制造电缆的方法和将电缆集束的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15184894.2A EP3142127B1 (fr) 2015-09-11 2015-09-11 Cable electrique ayant un fil de masse

Publications (2)

Publication Number Publication Date
EP3142127A1 EP3142127A1 (fr) 2017-03-15
EP3142127B1 true EP3142127B1 (fr) 2017-08-30

Family

ID=54140332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15184894.2A Active EP3142127B1 (fr) 2015-09-11 2015-09-11 Cable electrique ayant un fil de masse

Country Status (5)

Country Link
US (1) US9997275B2 (fr)
EP (1) EP3142127B1 (fr)
CN (1) CN107039105B (fr)
DE (1) DE102016212870A1 (fr)
MX (1) MX361758B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018207371A1 (de) 2018-05-11 2019-11-14 Md Elektronik Gmbh Elektrischer Steckverbinder für ein mehradriges elektrisches Kabel
DE102018220420A1 (de) * 2018-11-28 2020-05-28 Robert Bosch Gmbh Schaltungsvorrichtung zur Magnetfeldkompensation elektrischer Versorgungsleitungen
DE102019217625A1 (de) * 2019-11-15 2021-05-20 Contitech Antriebssysteme Gmbh Aufzugsgurt mit Corden aus beschichteten Litzen
JP7371505B2 (ja) * 2020-01-20 2023-10-31 住友電装株式会社 ワイヤハーネス

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Publication number Priority date Publication date Assignee Title
US4477693A (en) * 1982-12-09 1984-10-16 Cooper Industries, Inc. Multiply shielded coaxial cable with very low transfer impedance
US6246006B1 (en) * 1998-05-01 2001-06-12 Commscope Properties, Llc Shielded cable and method of making same
JP4193396B2 (ja) * 2002-02-08 2008-12-10 住友電気工業株式会社 伝送用メタルケーブル
US20060254805A1 (en) * 2005-05-25 2006-11-16 3M Innovative Properties Company Low profile high speed transmission cable
US8283563B2 (en) * 2006-03-29 2012-10-09 Federal-Mogul Powertrain, Inc. Protective sleeve fabricated with hybrid yard, hybrid yarn, and methods of construction thereof
DE102011117085A1 (de) 2011-10-27 2013-05-02 Md Elektronik Gmbh Bordnetzkomponente für ein Datenübertragungssystem in einem Kraftfahrzeug

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Also Published As

Publication number Publication date
US9997275B2 (en) 2018-06-12
DE102016212870A1 (de) 2017-03-16
CN107039105A (zh) 2017-08-11
MX361758B (es) 2018-12-17
US20170076836A1 (en) 2017-03-16
CN107039105B (zh) 2020-06-02
EP3142127A1 (fr) 2017-03-15
MX2016011012A (es) 2017-05-11

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