EP2226221A1 - Electric connecting cable - Google Patents

Electric connecting cable Download PDF

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Publication number
EP2226221A1
EP2226221A1 EP09290160A EP09290160A EP2226221A1 EP 2226221 A1 EP2226221 A1 EP 2226221A1 EP 09290160 A EP09290160 A EP 09290160A EP 09290160 A EP09290160 A EP 09290160A EP 2226221 A1 EP2226221 A1 EP 2226221A1
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EP
European Patent Office
Prior art keywords
wires
connecting line
line
contact points
conductors
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Withdrawn
Application number
EP09290160A
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German (de)
French (fr)
Inventor
Bärbel Hosenfeld
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.)
Nexans SA
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Nexans SA
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Filing date
Publication date
Application filed by Nexans SA filed Critical Nexans SA
Priority to EP09290160A priority Critical patent/EP2226221A1/en
Publication of EP2226221A1 publication Critical patent/EP2226221A1/en
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    • 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
    • H01B7/06—Extensible conductors or cables, e.g. self-coiling cords

Definitions

  • the invention relates to an electrical connection line for the electrically conductive connection of two contact points whose position is mutually variable, which consists of at least three insulated conductors having wires.
  • connecting lines are known as round cables and flat cables with any number of wires for years and used worldwide. They are manufactured in known technology in long lengths and usually initially wound on spools. For the electrical connection of two contact points connecting lines are separated in a distance of the contact points from each other corresponding length of the very long line and processed at their ends so that they can be electrically connected to the electrical contacts of the contact points. The number of wires that have the connecting lines, depends on the number of existing in the contact points electrical contacts. From the DE 19 62 536 C3 is also known as a helical electrical line known, which can then be used when one of the contact points to be connected is temporarily removed without interruption of the electrical connection over a greater distance from the other contact point. Such a connection line is used for example for connecting the handset to the base of a telephone.
  • the invention has for its object to make the initially described connection line so that they can follow wegqua limited changes in the relative position of two contact points without destruction.
  • connection line In this connection line, the wires have an odd course, so that they are longer in the stretched state than the idle state connection line.
  • the connection line for example, a non-destructive follow a limited increase in the distance between the two contact points. This also applies if one of the contact points is rotated relative to the other, with the connection line being twisted. In both cases, only a reversible stretching of the wires takes place.
  • Fig. 1 a schematic representation of two connected by an electrical connection line electrical contact points.
  • Fig. 2 . 3 and 4 three different embodiments of the connecting line according to the invention, also in a schematic representation.
  • a connecting line according to the invention can be used, for example, for use in motor vehicles. It may, for example, be mounted in a hollow steering column for connection of contact points on the steering wheel of a motor vehicle with contact points located at the other end of the steering column.
  • the connecting line can be used for example for the triggering mechanism of an airbag or as a connection to the elements of an electric power steering. It can also be used as a movable connecting line for electrically operable roof windows or sliding doors of motor vehicles. In all applications, the connecting line must be able to withstand a tensile load and / or a torsional load unscathed.
  • Fig. 1 two electrical contact points 1 and 2 are shown in the form of rectangular boxes, which are interconnected by an electrical connection line 3 are.
  • the contact point 1 should, for example, be stationary, while the contact point 2 should be displaceable relative to the contact point 1 in the illustrated embodiment. This is indicated by the double arrow 4.
  • the connecting line 3 should follow the movement of the contact point 2 non-destructive and without interruption of the electrical connection. This is achieved in that the wires are uneven and thus in the stretched state have a greater length than the connecting line 3 in total.
  • Such, extendable under tensile stress connection line 2 is for example in Fig. 2 shown. It has six wires 5, which are intertwined or linked and thereby connected in the course of the connecting line 3 movable. They are stretched at a tensile load and also at a torsional load of the connecting line 3, with a dependent on the particular structure of the connecting line extension of, for example, 3% to 20%. This change in length can follow the wires 5 nondestructive. The mesh of the connecting line 3 is thereby only slightly contracted. This movement is reversible, since the cores 5 go back to their starting position of the connecting line 3 corresponding initial position in case of elimination of the tensile or torsional load.
  • the same as shown in FIG Fig. 3 be equipped with a drawstring 6, by means of which they can be easily returned to their shorter rest position, when a leading to their extension train or Torsionsbelastung is repealed.
  • the tension band 6 may consist of a tensile but nevertheless stretchable material. However, it can also be spring-loaded at one end and guided over at least one deflection roller.
  • the wires 5 have a wave-shaped course. you are through Connected connecting elements 7, which are mounted at axial intervals and hold the wires 5 each movable.
  • the conductors of the wires 5 are advantageously designed as easily bendable stranded conductors, which consist of a large number of wires stranded or lumped together from electrically highly conductive material, in particular copper or aluminum or an aluminum alloy.
  • the insulation surrounding the conductors may advantageously consist of polyethylene.
  • the wires 5 are in the Fig. 2 and 3 shown bent to show their interconnectedness or easier to understand. In practical implementation, such kinks do not occur.
  • the connecting line 3 is shown as a flat, two-dimensional line. It can also be bent around its longitudinal axis when used, as a quasi-round structure can be used. It is also possible to produce the connecting line, for example, by braiding from the outset as a three-dimensional line.

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  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)

Abstract

The electrical connecting cable (3) has conductors (5) with three isolating conductors. The conductors are provided with a length that is large than the connecting cable placed in static condition. The conductors are connected with each other. The conductors are interlaced with each other.

Description

Die Erfindung bezieht sich auf eine elektrische Verbindungsleitung zum elektrisch leitenden Verbinden von zwei Kontaktstellen, deren Lage zueinander veränderbar ist, welche aus mindestens drei isolierte Leiter aufweisende Adern besteht.The invention relates to an electrical connection line for the electrically conductive connection of two contact points whose position is mutually variable, which consists of at least three insulated conductors having wires.

Derartige Verbindungsleitungen sind als Rundleitungen und als Flachleitungen mit einer beliebigen Anzahl von Adern seit Jahren bekannt und weltweit im Einsatz. Sie werden in bekannter Technik in großen Längen hergestellt und in der Regel zunächst auf Spulen aufgewickelt. Für die elektrische Verbindung von zwei Kontaktstellen werden Verbindungsleitungen in einer dem Abstand der Kontaktstellen voneinander entsprechenden Länge von der sehr langen Leitung abgetrennt und an ihren Enden so bearbeitet, daß sie elektrisch leitend mit den elektrischen Kontakten der Kontaktstellen verbunden werden können. Die Anzahl der Adern, welche die Verbindungsleitungen haben, richtet sich nach der Anzahl der in den Kontaktstellen vorhandenen elektrischen Kontakte. Aus der DE 19 62 536 C3 ist auch eine als Wendel ausgeführte elektrische Leitung bekannt, die dann eingesetzt werden kann, wenn eine der zu verbindenden Kontaktstellen vorübergehend ohne Unterbrechung der elektrischen Verbindung über eine größere Strecke von der anderen Kontaktstelle entfernt wird. Eine solche Verbindungsleitung wird beispielsweise zur Verbindung des Hörers mit dem Basisapparat eines Telefons eingesetzt.Such connecting lines are known as round cables and flat cables with any number of wires for years and used worldwide. They are manufactured in known technology in long lengths and usually initially wound on spools. For the electrical connection of two contact points connecting lines are separated in a distance of the contact points from each other corresponding length of the very long line and processed at their ends so that they can be electrically connected to the electrical contacts of the contact points. The number of wires that have the connecting lines, depends on the number of existing in the contact points electrical contacts. From the DE 19 62 536 C3 is also known as a helical electrical line known, which can then be used when one of the contact points to be connected is temporarily removed without interruption of the electrical connection over a greater distance from the other contact point. Such a connection line is used for example for connecting the handset to the base of a telephone.

Der Erfindung liegt die Aufgabe zugrunde, die eingangs geschilderte Verbindungsleitung so zu gestalten, daß sie wegmäßig begrenzten Änderungen der relativen Lage von zwei Kontaktstellen ohne Zerstörung folgen kann.The invention has for its object to make the initially described connection line so that they can follow wegmäßig limited changes in the relative position of two contact points without destruction.

Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, daß die Adern eine größere Länge als die im Ruhezustand befindliche Verbindungsleitung haben und im Verlauf derselben miteinander verbunden sind.This object is achieved according to the invention in that the wires have a greater length than the idle connection line and are connected to each other in the course.

In dieser Verbindungsleitung haben die Adern einen ungeradlinigen Verlauf, so daß sie in gestrecktem Zustand länger als die im Ruhezustand befindliche Verbindungsleitung sind. Dadurch kann die Verbindungsleitung beispielsweise einer begrenzten Vergrößerung des Abstandes zwischen den beiden Kontaktstellen zerstörungsfrei folgen. Das gilt auch, wenn eine der Kontaktstellen relativ zu der anderen gedreht wird, wobei die Verbindungsleitung tordiert wird. In beiden Fällen findet nur eine reversible Streckung der Adern statt.In this connection line, the wires have an odd course, so that they are longer in the stretched state than the idle state connection line. As a result, the connection line, for example, a non-destructive follow a limited increase in the distance between the two contact points. This also applies if one of the contact points is rotated relative to the other, with the connection line being twisted. In both cases, only a reversible stretching of the wires takes place.

Ausführungsbeispiele des Erfindungsgegenstandes sind in den Zeichnungen dargestellt.Embodiments of the subject invention are illustrated in the drawings.

Es zeigen:Show it:

Fig. 1 in schematischer Darstellung zwei durch eine elektrische Verbindungsleitung verbundene elektrische Kontaktstellen.
Fig. 2, 3 und 4 drei unterschiedliche Ausführungsformen der Verbindungsleitung nach der Erfindung, ebenfalls in schematischer Darstellung. Fig. 1 a schematic representation of two connected by an electrical connection line electrical contact points.
Fig. 2 . 3 and 4 three different embodiments of the connecting line according to the invention, also in a schematic representation.

Eine Verbindungsleitung nach der Erfindung ist beispielsweise für den Einsatz in Kraftfahrzeugen verwendbar. Sie kann beispielsweise zur Verbindung von Kontaktstellen am Lenkrad eines Kraftfahrzeugs mit am anderen Ende der Lenksäule befindlichen Kontaktstellen in einer hohlen Lenksäule angebracht sein. Die Verbindungsleitung kann dabei beispielsweise für den Auslösemechanismus eines Airbags oder als Verbindung zu den Elementen einer elektrischen Servolenkung eingesetzt werden. Sie kann auch als bewegliche Verbindungsleitung für elektrisch zu betätigende Dachfenster oder Schiebtüren von Kraftfahrzeugen verwendet werden. In allen Einsatzfällen muß die Verbindungsleitung eine Zugbelastung und/oder eine Torsionsbelastung unbeschadet aushalten können.A connecting line according to the invention can be used, for example, for use in motor vehicles. It may, for example, be mounted in a hollow steering column for connection of contact points on the steering wheel of a motor vehicle with contact points located at the other end of the steering column. The connecting line can be used for example for the triggering mechanism of an airbag or as a connection to the elements of an electric power steering. It can also be used as a movable connecting line for electrically operable roof windows or sliding doors of motor vehicles. In all applications, the connecting line must be able to withstand a tensile load and / or a torsional load unscathed.

In Fig. 1 sind zwei elektrische Kontaktstellen 1 und 2 in Form von rechteckigen Kästchen dargestellt, die durch eine elektrische Verbindungsleitung 3 miteinander verbunden sind. Die Kontaktstelle 1 soll beispielsweise feststehend sein, während die Kontaktstelle 2 im dargestellten Ausführungsbeispiel relativ zur Kontaktstelle 1 verschiebbar sein soll. Das ist durch den Doppelpfeil 4 angedeutet. Die Verbindungsleitung 3 soll der Bewegung der Kontaktstelle 2 zerstörungsfrei und ohne Unterbrechung der elektrischen Verbindung folgen können. Das wird dadurch erreicht, daß die Adern ungeradlinig verlaufen und damit im gestreckten Zustand eine größere Länge als die Verbindungsleitung 3 insgesamt haben.In Fig. 1 two electrical contact points 1 and 2 are shown in the form of rectangular boxes, which are interconnected by an electrical connection line 3 are. The contact point 1 should, for example, be stationary, while the contact point 2 should be displaceable relative to the contact point 1 in the illustrated embodiment. This is indicated by the double arrow 4. The connecting line 3 should follow the movement of the contact point 2 non-destructive and without interruption of the electrical connection. This is achieved in that the wires are uneven and thus in the stretched state have a greater length than the connecting line 3 in total.

Eine derartige, bei Zugbeanspruchung verlängerbare Verbindungsleitung 2 ist beispielsweise in Fig. 2 dargestellt. Sie hat sechs Adern 5, die miteinander verflochten bzw. verknüpft und dadurch im Verlauf der Verbindungsleitung 3 beweglich miteinander verbunden sind. Sie werden bei einer Zugbelastung und auch bei einer Torsionsbelastung der Verbindungsleitung 3 gestreckt, mit einer vom jeweiligen Aufbau der Verbindungsleitung abhängigen Verlängerung von beispielsweise 3 % bis 20 %. Dieser Längenänderung können die Adern 5 zerstörungsfrei folgen. Das Geflecht der Verbindungsleitung 3 wird dabei lediglich etwas zusammengezogen. Diese Bewegung ist reversibel, da die Adern 5 bei Fortfall der Zug- bzw. Torsionsbelastung wieder in ihre der Ruhestellung der Verbindungsleitung 3 entsprechende Ausgangsposition zurückgehen.Such, extendable under tensile stress connection line 2 is for example in Fig. 2 shown. It has six wires 5, which are intertwined or linked and thereby connected in the course of the connecting line 3 movable. They are stretched at a tensile load and also at a torsional load of the connecting line 3, with a dependent on the particular structure of the connecting line extension of, for example, 3% to 20%. This change in length can follow the wires 5 nondestructive. The mesh of the connecting line 3 is thereby only slightly contracted. This movement is reversible, since the cores 5 go back to their starting position of the connecting line 3 corresponding initial position in case of elimination of the tensile or torsional load.

Insbesondere bei längeren Verbindungsleitungen 3 können dieselben entsprechend der Darstellung in Fig. 3 auch mit einem Zugband 6 ausgerüstet sein, mittels dessen sie leichter in ihre kürzere Ruhestellung zurückgebracht werden können, wenn eine zu ihrer Verlängerung führende Zug- bzw. Torsionsbelastung aufgehoben wird. Das kann beispielsweise bei einer Reparatur an der Lenksäule eines Kraftfahrzeugs der Fall sein, wenn das Lenkrad ohne Lösung der elektrischen Verbindung von der Lenksäule abgehoben und abschließend wieder auf dieselbe aufgesetzt wird. Das Zugband 6 kann aus einem zwar zugfesten aber trotzdem dehnbaren Material bestehen. Es kann aber auch an einem Ende federbelastet und über mindestens eine Umlenkrolle geführt sein.Especially with longer connecting lines 3, the same as shown in FIG Fig. 3 be equipped with a drawstring 6, by means of which they can be easily returned to their shorter rest position, when a leading to their extension train or Torsionsbelastung is repealed. This can be the case, for example, in a repair to the steering column of a motor vehicle, when the steering wheel is lifted without loosening the electrical connection of the steering column and finally put back on the same. The tension band 6 may consist of a tensile but nevertheless stretchable material. However, it can also be spring-loaded at one end and guided over at least one deflection roller.

Die gleiche Wirkungsweise gilt für die Ausführungsform der Verbindungsleitung 3 nach Fig. 4. Hier haben die Adern 5 einen wellenförmigen Verlauf. Sie sind durch Verbindungselemente 7 verbunden, welche in axialen Abständen angebracht sind und die Adern 5 jeweils beweglich zusammenhalten.The same mode of action applies to the embodiment of the connecting line 3 after Fig. 4 , Here, the wires 5 have a wave-shaped course. you are through Connected connecting elements 7, which are mounted at axial intervals and hold the wires 5 each movable.

Die Leiter der Adern 5 sind mit Vorteil als gut biegbare Litzenleiter ausgeführt, welche aus einer großen Anzahl von miteinander verseilten oder verwürgten Drähten aus elektrisch gut leitendem Material bestehen, wie insbesondere Kupfer oder Aluminium bzw. eine Aluminiumlegierung. Die die Leiter umgebende Isolierung kann mit Vorteil aus Polyethylen bestehen. Die Adern 5 sind in den Fig. 2 und 3 abgeknickt dargestellt, um ihre Verflechtung bzw. Verknüpfung leichter verständlich zu zeigen. In praktischer Ausführung treten derartige Knickstellen nicht auf.The conductors of the wires 5 are advantageously designed as easily bendable stranded conductors, which consist of a large number of wires stranded or lumped together from electrically highly conductive material, in particular copper or aluminum or an aluminum alloy. The insulation surrounding the conductors may advantageously consist of polyethylene. The wires 5 are in the Fig. 2 and 3 shown bent to show their interconnectedness or easier to understand. In practical implementation, such kinks do not occur.

In den Fig. 2 bis 4 ist die Verbindungsleitung 3 als flache, zweidimensionale Leitung dargestellt. Sie kann im Einsatzfall auch um ihre Längsachse gebogen, als quasi rundes Gebilde verwendet werden. Es ist auch möglich, die Verbindungsleitung beispielsweise durch Rundflechten von vornherein als dreidimensionale Leitung herzustellen.In the Fig. 2 to 4 the connecting line 3 is shown as a flat, two-dimensional line. It can also be bent around its longitudinal axis when used, as a quasi-round structure can be used. It is also possible to produce the connecting line, for example, by braiding from the outset as a three-dimensional line.

Claims (4)

Elektrische Verbindungsleitung zum elektrisch leitenden Verbinden von zwei Kontaktstellen, deren Lage zueinander veränderbar ist, welche aus mindestens drei isolierte Leiter aufweisende Adern besteht, dadurch gekennzeichnet, daß die Adern (5) eine größere Länge als die im Ruhezustand befindliche Verbindungsleitung (3) haben und im Verlauf derselben miteinander verbunden sind.Electrical connecting line for the electrically conductive connection of two contact points whose position is variable with each other, which consists of at least three insulated conductors having wires, characterized in that the wires (5) have a greater length than the idle connection line (3) and in Course of the same are connected. Leitung nach Anspruch 1, dadurch gekennzeichnet, daß die Adern (5) miteinander verflochten sind.Cable according to claim 1, characterized in that the wires (5) are intertwined with each other. Leitung nach Anspruch 1, dadurch gekennzeichnet, daß die Adern (5) wellenförmig verlaufen und in axialen Abständen miteinander verbunden sind.Cable according to Claim 1, characterized in that the cores (5) are corrugated and connected to one another at axial intervals. Leitung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Adern (5) zu einer dreidimensionalen Form der Verbindungsleitung (3) miteinander verbunden sind.Cable according to one of claims 1 to 3, characterized in that the wires (5) are connected to a three-dimensional shape of the connecting line (3).
EP09290160A 2009-03-06 2009-03-06 Electric connecting cable Withdrawn EP2226221A1 (en)

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EP09290160A EP2226221A1 (en) 2009-03-06 2009-03-06 Electric connecting cable

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EP09290160A EP2226221A1 (en) 2009-03-06 2009-03-06 Electric connecting cable

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1978591A (en) * 1932-03-24 1934-10-30 Meiwald Franz Electric cable
DE1962536A1 (en) 1969-12-13 1971-06-24 Kabel Metallwerke Ghh Method of making a stretchable helically wound twin electrical cable
JPS6296211U (en) * 1985-12-09 1987-06-19
EP1443592A2 (en) * 2003-01-22 2004-08-04 Forschungszentrum Karlsruhe GmbH Belt coil as transmit-/receive antenna in a transponder assembly
JP2006190495A (en) * 2004-12-28 2006-07-20 Yazaki Corp Wire harness

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1978591A (en) * 1932-03-24 1934-10-30 Meiwald Franz Electric cable
DE1962536A1 (en) 1969-12-13 1971-06-24 Kabel Metallwerke Ghh Method of making a stretchable helically wound twin electrical cable
JPS6296211U (en) * 1985-12-09 1987-06-19
EP1443592A2 (en) * 2003-01-22 2004-08-04 Forschungszentrum Karlsruhe GmbH Belt coil as transmit-/receive antenna in a transponder assembly
JP2006190495A (en) * 2004-12-28 2006-07-20 Yazaki Corp Wire harness

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