WO2000013940A1 - Element de cablage - Google Patents

Element de cablage Download PDF

Info

Publication number
WO2000013940A1
WO2000013940A1 PCT/EP1998/005697 EP9805697W WO0013940A1 WO 2000013940 A1 WO2000013940 A1 WO 2000013940A1 EP 9805697 W EP9805697 W EP 9805697W WO 0013940 A1 WO0013940 A1 WO 0013940A1
Authority
WO
WIPO (PCT)
Prior art keywords
cabling
element according
cabling element
tube
data transmission
Prior art date
Application number
PCT/EP1998/005697
Other languages
German (de)
English (en)
Inventor
Wolfgang Nolden
Holger Heidemann
Norbert Fink
Original Assignee
Felten & Guilleaume Aktiengesellschaft
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 Felten & Guilleaume Aktiengesellschaft filed Critical Felten & Guilleaume Aktiengesellschaft
Priority to PCT/EP1998/005697 priority Critical patent/WO2000013940A1/fr
Publication of WO2000013940A1 publication Critical patent/WO2000013940A1/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4486—Protective covering
    • G02B6/4488—Protective covering using metallic tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles

Definitions

  • the invention relates to a two- or three-dimensionally shaped element for wiring optical or optoelectronic assemblies (so-called cable harness), in particular in vehicles.
  • a cable harness made of plastic which in parts consists of very strong material. A large number of lines can be drawn into such parts, which are packed therein in a stationary and watertight manner (DE 37 10 642 A1).
  • wire bundles are formed, for example, by winding the wires with a tape.
  • This wiring harness obtains the necessary dimensional stability from a shaping reinforcing element (DE 40 26 718 A1) which is introduced into the core bundle.
  • Yet another wiring harness for a complete wiring harness is designed so that it consists of compact parts that can be folded together. The advantage lies in the collapsibility for transport to the assembly site on the assembly line (DE 41 38 714 A1). Special molded or reinforcing parts are therefore introduced or provided in order to achieve sufficient stability for robot assembly.
  • the disadvantage of these wire harnesses is particularly that the reinforcing parts increase the weight and / or the contour of the wire harnesses.
  • Optical fibers made of polymer material have also been proposed for use in motor vehicle technology (VDI series plastics technology, 1993, plastics in automotive engineering, pp 109-146). Cable harnesses with one or more plastic fiber optic cables also have the disadvantage of low bending stiffness.
  • the essence of the invention consists in partially or completely encasing at least one metallic tube of low bending stiffness with at least one internal data transmission element, which comprises straight sections and at least one bow section, in order to increase the bending stiffness.
  • the stiffening jacket should preferably be made of plastic.
  • two- or three-dimensionally shaped elements can be formed, which can also be used directly in complicated installation situations, without having to make bends, cuts or other adjustments.
  • Thin stainless steel tubes are preferably proposed which, depending on the inner diameter, contain a certain number of data transmission elements (one or more optical waveguides made of glass or plastic).
  • Thin stainless steel tubes can be produced in any lengths using known manufacturing processes (for example using a process of EP 0 299 123 A1). Copper, aluminum alloy or steel can also be used as a further material of the tubes; the tubes can also be designed as corrugated shells. Because of the small wall thickness (typically 0.16 to 0.4 mm) and the small diameter (typically 1.5 to 6 mm), the above-mentioned tubes do not have sufficient inherent rigidity in longer lengths. The rigidity that is necessary for transport packaging, transport and installation is only produced by the invention. The casing stabilizes both the low inherent rigidity and against elastic restoring forces.
  • the cabling element can contain one or a few plastic optical fibers (polymer optical fibers, POF) or up to 100 glass optical fibers.
  • plastic optical fibers polymer optical fibers, POF
  • optical waveguides can be used without a secondary coating or those which are coated with a coating or cladding layer and / or with a layer which increases the reflection.
  • the subject matter of the application can also be used for plastic optical fibers which have been produced in a manufacturing process in which the plastic is 'filled' directly into the metal shell. Such a manufacturing process has the advantage that one work step is saved.
  • the arc sections are preferably bent with a radius that is greater than the critical bending radius of the data transmission elements.
  • Every type of optoelectronic connection element is considered, such as plugs, rigid or rotatable couplings, LED couplers, switches or sleeves.
  • the data transmission elements can be embedded in the tube with filling compound (for example petrolatum).
  • filling compound for example petrolatum
  • the sheathing is said to increase the bending stiffness.
  • the sheathing can be formed from plastic, from a wire or foil bandage, as a braid sheath or stranded strand.
  • a wire bandage can be created by roping with one or more wires.
  • the sheathing can be made hard to increase rigidity or, if vibration damping is required, rather soft.
  • the bending stiffness does not have to be extremely increased in every case. Applications are possible in which residual bendability is desired, so that the cabling element still has a certain deformability for subsequent adaptation to certain positions or radii. Any method of encasing elongated objects known to the person skilled in the art is proposed as the encapsulation method without having to go into details.
  • Plastics, wires or foils of different quality can be used as the sheathing.
  • Cross-linked polyethylene (VPE) or synthetic resin are suitable as hard plastics. Rubber is suitable as a soft material.
  • a wire or a foil bandage can be covered with plastic.
  • the plastic sheath can also have an insulating function, so that applications are conceivable in which the metallic tube is used as an electrical conductor (for example for electrical signaling) under a plastic insulation.
  • the cabling element can be provided with at least one fastening element, for example as a clamp or tab.
  • fasteners can be formed on the metallic tube as a ground connection, so that no potential difference to the housing of the vehicle can arise.
  • At least one point on the surface of the cabling element can be marked. Such markings can indicate the direction of connection, the type or number of optical fibers or the type of connection to the next element.
  • the cross section of the cabling element can be round or polygonal.
  • FIG. 1 a schematic, spatial representation
  • FIGS. 2a and 2b each a cross section with casing
  • FIGS. 3 to 6 four types of connecting elements
  • FIGS. 7a and 7b two cross sections (schematic)
  • FIG. 8 shows a cross section of a double tube.
  • 1 shows a cabling element 100 running in three spatial directions (x, y, z).
  • the lengths of the straight sections and those of the arches and the curvature (radius and direction) of the arches are generally specified by the dimensions of the built-in device or the vehicle. With these dimensions (and also assembled with plugs, etc.), each cabling element can be manufactured in the factory and delivered to the installation site. No further adjustments, changes or interventions on or in the cabling element are made during assembly.
  • 1 contains a metallic tube 10 with three loosely emerging optical waveguides 80 and a sheath 20 extending almost over the entire length. Freely emerging optical fibers can be connected (spliced) as desired. Pre-assembly with a connecting element should, however, be the rule for most applications.
  • Arch elements 21 have a radius of curvature R which is not less than the critical bending radius of the inner optical waveguide 80.
  • One end of the cabling element is terminated with a plug 30.
  • FIG. 2a shows a tube 10 with a jacket 20 with a circular cross-section with many optical fibers 80 of small diameter.
  • Fig. 2b shows an example of the use of polymeric optical fibers 80 'with fiber sheathing 82.
  • Such plastic fibers made of materials such as polyacrylic or polymethyl methacrylate have diameters of 0.3 to 3 millimeters, so that (as shown in Fig. 2b ) only have a few fibers in a tube.
  • Figures 3 to 6 show connecting elements for the termination of a tube.
  • Reference numerals 30, 31, 32 and 33 show a plug (30), a coupling (31), a flared protective cap (32) - to avoid sharp metal edges - and an optical switch (33).
  • optical waveguide (s) 80 lie in the tube with excess length, which results in their helical position.
  • 6 shows a clamp 40 with which the tube can be attached or grounded. If the clamp 40 is used for earthing, the clamp must be metallic and in electrical contact with the tube.
  • FIGS. 7a and 7b schematically show two cross sections (rectangle and square) of a tube 10.
  • Fig. 8 two tubes are shown as' twin '100' side by side in a jacket.
  • the two tubes 10, 10 ' can lie straight next to one another or can be stranded together.
  • the existing gussets 22 can be filled with plastic.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Communication Cables (AREA)

Abstract

L'invention concerne un faisceau de câbles (100) formé en deux ou en trois dimensions pour des blocs de composants optoélectroniques, notamment pour véhicules. Le faisceau de câbles comprend un petit tube (10) métallique peu résistant à la flexion muni d'éléments de transmission de données (80) situés à l'intérieur, notamment des fibres optiques en fibres polymères, qui comprend selon les dimensions, des sections droites et au moins une section en courbe (21). Pour augmenter la résistance à la flexion du petit tube (10), au moins une section en courbe (21) est munie en partie ou en totalité d'un revêtement.
PCT/EP1998/005697 1998-09-09 1998-09-09 Element de cablage WO2000013940A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP1998/005697 WO2000013940A1 (fr) 1998-09-09 1998-09-09 Element de cablage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1998/005697 WO2000013940A1 (fr) 1998-09-09 1998-09-09 Element de cablage

Publications (1)

Publication Number Publication Date
WO2000013940A1 true WO2000013940A1 (fr) 2000-03-16

Family

ID=8167052

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/005697 WO2000013940A1 (fr) 1998-09-09 1998-09-09 Element de cablage

Country Status (1)

Country Link
WO (1) WO2000013940A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2367696A (en) * 2000-10-06 2002-04-10 Bookham Technology Plc Supporting an optical fibre in an integrated optical device package
WO2014044362A1 (fr) * 2012-09-18 2014-03-27 Leoni Bordnetz-Systeme Gmbh Procédé d'obtention d'un faisceau de câbles et faisceau de câbles
US11603054B2 (en) * 2018-08-10 2023-03-14 Bayerische Motoren Werke Aktiengesellschaft Component arrangement with a line that has rigid and flexible sections

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050495A2 (fr) * 1980-10-18 1982-04-28 BICC Public Limited Company Fabrication d'un corps à toron flexible
DE3048512A1 (de) * 1980-12-22 1982-07-01 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover "verbindungsleitung zur uebertragung von signalen"
DE3710642A1 (de) * 1987-03-31 1988-10-20 Leonische Drahtwerke Ag Kabelbaum, insbesondere fuer kraftfahrzeuge
EP0299123A2 (fr) * 1987-07-16 1989-01-18 Laser Armor Tech Corporation Appareil et méthode de fabrication continue de câbles optiques armés
US4802730A (en) * 1986-11-10 1989-02-07 Olin Corporation Optical fiber cables for motor vehicle engine compartment applications
DE4026718A1 (de) * 1990-08-24 1992-02-27 Rheydt Kabelwerk Ag Kabelbaum
DE4138714A1 (de) * 1991-11-21 1993-05-27 Siemens Ag Leitungssatz fuer das bordnetz eines kraftfahrzeuges
DE4324466A1 (de) * 1993-07-21 1995-01-26 Reinshagen Kabelwerk Gmbh Leitungsbündel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050495A2 (fr) * 1980-10-18 1982-04-28 BICC Public Limited Company Fabrication d'un corps à toron flexible
DE3048512A1 (de) * 1980-12-22 1982-07-01 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover "verbindungsleitung zur uebertragung von signalen"
US4802730A (en) * 1986-11-10 1989-02-07 Olin Corporation Optical fiber cables for motor vehicle engine compartment applications
DE3710642A1 (de) * 1987-03-31 1988-10-20 Leonische Drahtwerke Ag Kabelbaum, insbesondere fuer kraftfahrzeuge
EP0299123A2 (fr) * 1987-07-16 1989-01-18 Laser Armor Tech Corporation Appareil et méthode de fabrication continue de câbles optiques armés
DE4026718A1 (de) * 1990-08-24 1992-02-27 Rheydt Kabelwerk Ag Kabelbaum
DE4138714A1 (de) * 1991-11-21 1993-05-27 Siemens Ag Leitungssatz fuer das bordnetz eines kraftfahrzeuges
DE4324466A1 (de) * 1993-07-21 1995-01-26 Reinshagen Kabelwerk Gmbh Leitungsbündel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2367696A (en) * 2000-10-06 2002-04-10 Bookham Technology Plc Supporting an optical fibre in an integrated optical device package
GB2367696B (en) * 2000-10-06 2002-08-28 Bookham Technology Plc Packaging integrated optical devices
WO2014044362A1 (fr) * 2012-09-18 2014-03-27 Leoni Bordnetz-Systeme Gmbh Procédé d'obtention d'un faisceau de câbles et faisceau de câbles
US9666338B2 (en) 2012-09-18 2017-05-30 Leoni Bordnetz-Systeme Gmbh Method for producing a cable harness and cable harness
US11603054B2 (en) * 2018-08-10 2023-03-14 Bayerische Motoren Werke Aktiengesellschaft Component arrangement with a line that has rigid and flexible sections

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