WO2021160473A1 - Câble plat empilé - Google Patents

Câble plat empilé Download PDF

Info

Publication number
WO2021160473A1
WO2021160473A1 PCT/EP2021/052424 EP2021052424W WO2021160473A1 WO 2021160473 A1 WO2021160473 A1 WO 2021160473A1 EP 2021052424 W EP2021052424 W EP 2021052424W WO 2021160473 A1 WO2021160473 A1 WO 2021160473A1
Authority
WO
WIPO (PCT)
Prior art keywords
flat cable
insulation
conductor structure
metallic layers
layers
Prior art date
Application number
PCT/EP2021/052424
Other languages
German (de)
English (en)
Inventor
Martin Greiner
Matthias Pieper
Christian Kühn
Original Assignee
Kromberg & Schubert GmbH Cable & Wire
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 Kromberg & Schubert GmbH Cable & Wire filed Critical Kromberg & Schubert GmbH Cable & Wire
Publication of WO2021160473A1 publication Critical patent/WO2021160473A1/fr

Links

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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • 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
    • H01B7/0823—Parallel wires, incorporated in a flat insulating profile
    • 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
    • H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
    • H01B11/10—Screens specially adapted for reducing interference from external sources
    • H01B11/1033—Screens specially adapted for reducing interference from external sources composed of a wire-braided conductor
    • 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
    • H01B7/0861—Flat or ribbon cables comprising one or more screens

Definitions

  • the invention relates to a shielded flat cable in compacted Auspar tion and a method for producing such a shielded flat cable.
  • Electrical contact devices are known from the prior art, which in particular have a compacted section of an electrical connector, preferably an electrical line, for use in the medium or high current range or high voltage range, as well as a method for producing such an electrically conductive connection partner z. B. for a supply and / or distribution of electrical energy.
  • an electrical connector preferably an electrical line
  • B. for a supply and / or distribution of electrical energy.
  • many of the known line systems have disadvantages, such as insufficient current carrying capacity, lack of flexibility or high production costs.
  • connecting lines e.g. B. for a supply and / or distribution of electrical energy in warm, possibly hot, contaminated, humid and / or chemically aggressive environments short-term and / or permanent guarantee a flawless transmission of electrical power and flexible from a confectioner can be ned. Due to a wide range of applications, a large number of the most varied of connectors is known in the automotive and also in the industrial sector.
  • round cables are an Have a substantially round or almost round cross-section
  • flat cables have a substantially flat, in particular rectangular, cross-section in which the width of the line is significantly greater than the thickness of the line.
  • Flat cables in the context of the present invention are also those cables in which the width of the line is significantly greater than the thickness of the line.
  • the EMC conditions in automobiles represent a further challenge. Additional shielding devices are necessary in order to meet the required EMC conditions.
  • a special embodiment of lines are the flat lines known from the prior art. There are various developments to achieve different properties and characteristics.
  • a flat cable is known that has no rectangular or at least two parallel surfaces be bordered, but has round lines.
  • the material protrusions provided are distributed irregularly in relation to the lines.
  • a thickening located between two adjacent lines is not asbil det. The same applies to the embodiment of a flat cable according to JP09-288913 A.
  • a flat cable is known from EP 1263000 A1, the jacket of which is extruded from special materials. A thickening formed between two flat conductors is viewed as an undesirable effect during extrusion, which should be avoided as far as possible. Well-known plastics are used for the jacket, which have appropriate insulation properties and strength properties. In general, it should be noted that flat conductors made of metal or correspondingly The selected alloys can also be present in the flat cable with or without additional sheathing.
  • flat cables are sometimes exposed to stresses during their use which exceed the existing strength properties. This is particularly important for the section or area of the flat cable in which the flat cable is formed on or attached to a connection or connecting component.
  • Flat cables are also used to make contact with moving components, for example with the lighting bars of copiers or for the power supply of rotating components, for example fittings or airbags attached to a steering wheel of a motor vehicle, whereby the connected end the flat cable must follow the rotation of the steering wheel.
  • a flat cable with a special conceptual design consisting of an external electrical insulation and at least one electrical conductor structure introduced within the insulation, the conductor structure consisting of a stack of a plurality of thin metallic layers packed one above the other .
  • the conductor structure is formed from a number of at least five, preferably at least ten layers.
  • the number in the invention is not limited to this.
  • the at least five or at least ten layers can of course also differ from this resulting number of layers.
  • a specific orientation of the rolled, in particular metallic, copper sheets is selected so that the properties of the sheets are used in a particularly suitable way to optimize the flexibility of the flat cable.
  • the respective metallic layers are therefore designed as thin sheet metal strips or sheet metal strips which extend along the direction of extent of the entire flat cable. By using sheet metal strips and sheet metal strips of the appropriate length, a flat cable can therefore be designed as a meter product and not just short connec tion elements are produced.
  • the respective metallic layers are formed from the same material or, alternatively, from different materials.
  • specific properties of the flat cable according to the invention can be realized.
  • a preferred conception of the invention provides that the metallic layers are introduced into the insulation as layers compacted in the thickness direction of the flat cable.
  • the flat cable has several electrical conductor structures separated from one another by the insulation, in particular arranged next to one another in the width direction of the flat cable, of which at least one, several or all of a stack of a plurality Thin metallic layers packed one on top of the other. In this way, a specific ribbon cable can be produced.
  • the flat cable has a greater thickness in the areas in which a conductor structure is provided than in the intermediate sections, namely between two in each case Conductor structures that run directly with one another and consist of such metallic layers, the intermediate sections being in particular each designed as a flat web section.
  • a ribbon cable is obtained that can be manufactured particularly cost-effectively and is suitable for use in high-voltage applications.
  • Another embodiment according to the invention provides that a braided shield formed along the direction of extent is arranged around the one or more conductor structures within the insulation of the jacket. This enables a shielded flat cable to be implemented.
  • Yet another aspect of the present invention relates not only to the flat cable as such, but also to the method for producing such a flat cable.
  • the method is characterized in that the following method steps are provided: a) Production of a conductor structure, designed as a stack from a plurality of thin metallic layers packed one above the other, in particular from thin metal sheets or metal strips. b) compacting the conductor structure before introducing it into an extruder and c) enveloping the compacted conductor structure with electrical insulation, preferably in an extruder.
  • step a) the metal strips are unwound from reels of a stacking unit and brought together to form a stack, in which several of the metal strips are each stacked on top of one another and are positioned relative to one another by a lateral guide. which, in order to obtain the desired conductor structure and in particular to carry out step b) in the stacked arrangement, are then fed to a compacting unit by performing the compacting step.
  • the process steps take place in parallel, so to speak, in a system technology in which the strips are guided along the production direction and the individual stations are arranged in series one behind the other.
  • FIG. 1 shows a first embodiment of the invention
  • Fig. 2 shows a second embodiment of the invention
  • 3 shows a third embodiment of the invention
  • 4 shows a fourth embodiment of the invention
  • Fig. 5 shows a fifth embodiment of the invention
  • 6 shows a sixth embodiment of the invention
  • 7 shows a seventh embodiment of the invention
  • 8 shows an eighth embodiment of the invention
  • FIGS. 1 to 9 show a ninth embodiment of the invention.
  • the invention is explained with reference to FIGS. 1 to 9 explained in more detail, the same reference numerals indicating the same structural and / or functional features of the invention.
  • FIGS. 1 to 4 different configurations of flat cables 1 are shown, all of which have an essentially rectangular cross section and an outer jacket 40 and electrical insulation 10 into which an electrical conductor structure 20 is introduced.
  • a braided shield 30 is also introduced between the electrical insulation 10 and the outer jacket 40.
  • the four embodiments differ essentially in the arrangement and characteristics of the geometric shape and in particular the cross-sectional shape of the braided shield 30.
  • the electrical conductor structure 20 is each exemplarily formed on five layers 21, namely made of metallic layers 21 that are stacked one on top of the other. However, any number of technically producible thin metallic layers can be packed into a stack in order to produce said conductor structure 20.
  • FIGS. 5 and 6 show flat cables 1 in each of which two electrical conductor structures 20 are arranged next to one another in an insulation 10 in the width direction.
  • the electrical conductor structures 20 are here similar to the exemplary embodiments according to FIGS. 1 to 4 from a stack of a plurality of thin metallic layers packed one on top of the other. With this configuration, there is a so-called reinforced and double insulation in the width direction between the conductor structures 20 within the flat cable, formed by the insulation 10.
  • Around the two conductor structures 20 and around the respective insulation 10 is a common shielding braid 30 arranged.
  • the braided shield 30 is in turn surrounded by a common outer jacket 40.
  • indentations or recesses 41 are provided along the outer jacket 40 at the position between the two electrical conductor structures 20 surrounded by insulation.
  • a web line according to the invention is formed.
  • This embodiment of the flat cable 1 is essentially made up of a combination of FIGS. 1 to 4 shown embodiments, which in turn are connected to one another via a web 11 as an inter mediate section.
  • the electrical conductor structures 20 are stacked one on top of the other in the thickness direction, but are electrically isolated from one another.
  • the two electrical conductor structures 20 have a common insulation 10. While in the embodiment according to FIG. 9 it can be seen that each of the two conductor structures 20 forms its own insulation 10, which, however, lie flat against one another at their point of contact.
  • a braided shield 30 is in turn formed in each of the two electrical conductor structures 20 stacked on top of one another, and an outer jacket 40 is formed around the braided shield 30.

Landscapes

  • Insulated Conductors (AREA)

Abstract

L'invention concerne un procédé et un câble plat (1) constitué d'une isolation électrique externe (10) et d'au moins une structure de conducteur électrique (20) introduite à l'intérieur de l'isolation, la structure de conducteur (20) étant constituée d'un empilement d'une pluralité de couches métalliques minces (21) empilées les unes au-dessus des autres.
PCT/EP2021/052424 2020-02-13 2021-02-02 Câble plat empilé WO2021160473A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020103811.9A DE102020103811A1 (de) 2020-02-13 2020-02-13 Geschirmte Flachleitung
DE102020103811.9 2020-02-13

Publications (1)

Publication Number Publication Date
WO2021160473A1 true WO2021160473A1 (fr) 2021-08-19

Family

ID=74553805

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/052424 WO2021160473A1 (fr) 2020-02-13 2021-02-02 Câble plat empilé

Country Status (2)

Country Link
DE (1) DE102020103811A1 (fr)
WO (1) WO2021160473A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021005964A1 (de) 2021-12-02 2022-01-20 Daimler Ag Elektrische Leiteranordnung für ein Fahrzeug

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09288913A (ja) 1996-04-22 1997-11-04 Mitsubishi Cable Ind Ltd 平型ケーブル線路
WO2001050482A1 (fr) * 2000-01-04 2001-07-12 Iws International Oy Câble plat
EP1263000A1 (fr) 2001-06-01 2002-12-04 The Furukawa Electric Co., Ltd. Câble plat
JP2003223817A (ja) 2001-11-21 2003-08-08 Yazaki Corp 平形ケーブル
EP1349180A1 (fr) * 2002-03-27 2003-10-01 Nexans Câble ruban électrique à conducteurs plats
EP2571119A2 (fr) * 2011-09-19 2013-03-20 Erico International Corporation Barre omnibus flexible
US20140027153A1 (en) * 2012-07-30 2014-01-30 Andrew Llc Flexible Electrical Power Cable
US20180345886A1 (en) * 2015-11-04 2018-12-06 Auto-Kabel Management Gmbh Multi-Voltage On-Board Electrical System and Multilayer Cable for Different Voltage Levels

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1833652U (de) 1961-03-24 1961-06-29 Landis & Gyr Ag Biegsamer elektrischer leiter.
US3897187A (en) 1971-11-15 1975-07-29 Greengate Cables Limited Apparatus for the continuous production of laminated electric conductors
DE102004056866A1 (de) 2004-11-25 2006-01-26 Leoni Bordnetz-Systeme Gmbh & Co Kg Extrudierte Flachleitung sowie Verfahren zum Erzeugen einer extrudierten Flachleitung
EP1727161A1 (fr) 2005-05-23 2006-11-29 3M Innovative Properties Company Connexion de masse pour le blindage d'un câble plat.
JP2015220060A (ja) 2014-05-16 2015-12-07 矢崎総業株式会社 フラットケーブル

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09288913A (ja) 1996-04-22 1997-11-04 Mitsubishi Cable Ind Ltd 平型ケーブル線路
WO2001050482A1 (fr) * 2000-01-04 2001-07-12 Iws International Oy Câble plat
EP1263000A1 (fr) 2001-06-01 2002-12-04 The Furukawa Electric Co., Ltd. Câble plat
JP2003223817A (ja) 2001-11-21 2003-08-08 Yazaki Corp 平形ケーブル
EP1349180A1 (fr) * 2002-03-27 2003-10-01 Nexans Câble ruban électrique à conducteurs plats
EP2571119A2 (fr) * 2011-09-19 2013-03-20 Erico International Corporation Barre omnibus flexible
US20140027153A1 (en) * 2012-07-30 2014-01-30 Andrew Llc Flexible Electrical Power Cable
US20180345886A1 (en) * 2015-11-04 2018-12-06 Auto-Kabel Management Gmbh Multi-Voltage On-Board Electrical System and Multilayer Cable for Different Voltage Levels

Also Published As

Publication number Publication date
DE102020103811A1 (de) 2021-08-19

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