DE19951167C1 - Guide element for data transmission cable in automobile has straight pipe sections and curved pipe section enclosed by memory material cuff activated upon installation - Google Patents

Guide element for data transmission cable in automobile has straight pipe sections and curved pipe section enclosed by memory material cuff activated upon installation

Info

Publication number
DE19951167C1
DE19951167C1 DE1999151167 DE19951167A DE19951167C1 DE 19951167 C1 DE19951167 C1 DE 19951167C1 DE 1999151167 DE1999151167 DE 1999151167 DE 19951167 A DE19951167 A DE 19951167A DE 19951167 C1 DE19951167 C1 DE 19951167C1
Authority
DE
Germany
Prior art keywords
data transmission
plastic
tube
arc
activated
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.)
Expired - Fee Related
Application number
DE1999151167
Other languages
German (de)
Inventor
Friedrich Karl Levacher
Wolfgang Nolden
Holger Heidemann
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.)
NKT Cables GmbH and Co KG
Original Assignee
NKT Cables GmbH and Co KG
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 NKT Cables GmbH and Co KG filed Critical NKT Cables GmbH and Co KG
Priority to DE1999151167 priority Critical patent/DE19951167C1/en
Application granted granted Critical
Publication of DE19951167C1 publication Critical patent/DE19951167C1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/4459Ducts; Conduits; Hollow tubes for air blown fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric 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
    • B60R16/02Electric 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
    • B60R16/0207Wire harnesses
    • B60R16/0215Protecting, fastening and routing means therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L7/00Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4415Cables for special applications
    • G02B6/4416Heterogeneous cables
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462Tubings, i.e. having a closed section

Abstract

The guide element has at least one tubular pipe (10) of metal or plastics, enclosing the cable data transmission elements (20), e.g. optical fibre elements. The pipe is assembled from a number of straight pipe sections (10.1,10.2) and at least one curved pipe sections (10.3), enclosed by a cuff (12') of a memory material, which is chemically of thermally activated for adopting the memorized shape. An Independent claim for application of a data transmission cable guide element is also included.

Description

Die Erfindung betrifft ein Element zur Führung von Datenübertragungskabeln - insbesondere in Fahrzeugen, bestehend aus mindestens einem Röhrchen geringer Biegesteifigkeit mit innenlie­ genden Datenübertragungselementen gemäß Anspruch 1. Solche Elemente haben eine zwei- oder dreidimensionale Form und werden als Kabelbäume vielfältig eingesetzt.The invention relates to an element for guiding data transmission cables - in particular in Vehicles consisting of at least one tube of low bending stiffness with internal Data transmission elements according to claim 1. Such elements have a two- or three-dimensional form and are widely used as cable harnesses.

Aus der DE 197 28 286 C1 ist ein solcher Kabelbaum bekannt. Der Nachteil eines solchen Kabelbaums liegt darin, daß seine dreidimensionale Form sehr sperrig ist, und bei Verpackung und Versand viel Platz beansprucht.Such a wiring harness is known from DE 197 28 286 C1. The disadvantage of such Harness lies in the fact that its three-dimensional shape is very bulky, and in packaging and shipping takes up a lot of space.

Es ist Aufgabe der Erfindung, ein Element zur Führung von Datenübertragungskabeln vorzu­ schlagen, das raumsparend verpackbar ist und durch einfache Behandlung in eine zwei- oder dreidimensionale Form bringbar ist.It is an object of the invention to provide an element for guiding data transmission cables beat, which can be packaged in a space-saving manner and can be easily converted into a two or two pack three-dimensional shape can be brought.

Die Lösung wird in den Merkmalen des Hauptanspruchs wiedergegeben. Weitergehende Aus­ gestaltungen sind in den Unteransprüchen zu finden.The solution is given in the features of the main claim. Further out designs can be found in the subclaims.

Das wesentliche der Erfindung liegt darin, daß das Element in Abschnitten, die zu einem Bogen gekrümmt werden können, von einer Hülle ummantelt ist und die Hülle aus einem Kunststoff mit Formgedächtnis oder Rückstelleffekt (sogenannte 'shape memory polymers') gebildet ist. Die Hülle ist in einer einfachen Ausführung ein rohrförmiger, zylindrischer Körper. Die Hülle kann jedoch auch geschlossenwandig oder perforiert oder in Längsrichtung geschlitzt ausgebil­ det sein.The essence of the invention is that the element in sections that form an arc can be curved, is covered by a shell and the shell made of a plastic with shape memory or reset effect (so-called 'shape memory polymers'). In a simple embodiment, the casing is a tubular, cylindrical body. The case can however also be closed-walled or perforated or slotted in the longitudinal direction det be.

Die Vorteile der Erfindung liegen darin, daß das einen Kabelbaum bildende Element in ge­ streckter Form herstellbar und lagerbar ist und auch so in den Versand gegeben werden kann. Erst kurz vor der Montage wird durch Aktivierung des Formgedächtnisses der Hülle dem Kabelbaum die zwei- oder dreidimensionale Form gegeben. Als eingeprägte Form können bei­ spielsweise Krümmungen in Art eines 90°-Bogens vorgesehen sein, andere Winkelbereiche der Bögen können je nach Anwendungsfall vorgegeben werden. Die Krümmungsradien werden typischer Weise in Abmessungen von einige cm ausgebildet.The advantages of the invention are that the element forming a wire harness in ge stretched form is producible and storable and can also be sent in this way. Only shortly before assembly is the envelope activated by the shape memory Wire harness given the two or three dimensional shape. As an embossed shape, for example, curvatures in the manner of a 90 ° arc can be provided, other angular ranges Bends can be specified depending on the application. The radii of curvature will be typically formed in dimensions of a few cm.

Die Hülle kann aus wärmerückstellbarem Kunststoff oder aus Kunststoff ausgebildet sein, des­ sen Form chemisch aktivierbar ist. Kunststoffe mit den geforderten Eigenschaften werden bei­ spielsweise schon bei Kabelmuffen als Schrumpfschläuche eingesetzt (DE 30 48 051 A1). The shell can be made of heat-recoverable plastic or plastic, the sen form is chemically activated. Plastics with the required properties are used already used for example in cable sleeves as shrink sleeves (DE 30 48 051 A1).  

Das Röhrchen kann aus Metall oder aus Kunststoff hegestellt sein. Das Röhrchen kann jedoch auch zweischichtig ausgebildet sein, mit einer inneren Schicht aus Metall und einer äußeren Schicht aus Kunststoff. Die Metallschicht kann bei einer solchen Ausbildung auch als elektri­ scher Leiter Verwendung finden.The tube can be made of metal or plastic. However, the tube can also be formed in two layers, with an inner layer of metal and an outer Plastic layer. With such a design, the metal layer can also be electri find use.

Als besondere Ausgestaltung wird noch vorgeschlagen, daß dem Röhrchen ein weiteres Röhrchen mit innenliegenden Datenübertragungselementen parallel liegend angeordnet ist, wobei mindestens ein zum Bogen krümmbarer Abschnitt von einer geraden Hülle aus einem Kunststoff mit Formgedächtnis oder Rückstelleffekt ummantelt ist. Die beiden Röhrchen kön­ nen untereinander verbunden sein.As a special embodiment, it is also proposed that the tube has another Tube with internal data transmission elements is arranged in parallel, wherein at least one section which can be bent to form an arc is made from a straight casing made from a Plastic with a shape memory or reset effect is encased. The two tubes can be connected with each other.

Als Verwendung eines erfindungsgemäßen Elements wird vorgeschlagen, daß die mit einer Hülle ummantelten, krümmbaren Abschnitte vor der Montage des Elements chemisch oder thermisch behandelt werden, so daß der Rückstelleffekt zur Ausbildung eines Bogens aktiviert werden.When using an element according to the invention it is proposed that the one with a Sheathed, curvable sections chemically or before assembly of the element be thermally treated so that the reset effect is activated to form an arc become.

Mehrere Ausführungsbeispiele der Erfindung werden in den Figuren dargestellt. Sie zeigen im Einzelnen:Several embodiments of the invention are shown in the figures. They show in Individual:

Fig. 1 ein Element mit einem Röhrchen und zwei Bogenabschnitten und Fig. 1 shows an element with a tube and two arc sections and

Fig. 2 ein Element mit zwei parallelen Röhrchen. Fig. 2 shows an element with two parallel tubes.

Fig. 1 zeigt ein Element mit einem Röhrchen 10 mit innenliegenden Datenübertragungselemen­ ten 20 mit einem gestreckten Abschnitt B0 und einem gebogenem Abschnitt B1. In einer typi­ schen Ausführungsform wird das Röhrchen als Edelstahlröhrchen mit dünner Wandung in einem Durchmesserbereich von 2 bis 6 mm hergestellt. Andere Materialien und Dimensionen können jedoch ebenfalls eingesetzt werden. Als Datenübertragungselemente 20 werden LWL aus Glas oder aus Kunststoff (Polymerfasern) und/oder Kupferlitzen verwendet. Um die Abschnitte B0 und B1 herum ist je eine geschlossenwandige Hülle 12, 12' aus einem Kunst­ stoff mit Formgedächtnis gelegt. Der Abschnitt B0 ist gestreckt dargestellt, also vor der Situa­ tion des Aktivierens. Fig. 1 shows an element with a tube 10 with internal data transmission elements 20 with an elongated section B0 and a curved section B1. In a typical embodiment, the tube is manufactured as a stainless steel tube with a thin wall in a diameter range of 2 to 6 mm. However, other materials and dimensions can also be used. LWL made of glass or plastic (polymer fibers) and / or copper strands are used as data transmission elements 20 . Around the sections B0 and B1 around a closed-walled shell 12 , 12 'made of a plastic with shape memory is placed. Section B0 is shown stretched, i.e. before the situation of activation.

Abschnitt B1 ist in der Figur als 90°-Bogen dargestellt, also nach dem Aktivieren des Kunst­ stoffes. Das Aktivieren des Kunststoffes kann je nach Eigenschaft des Kunststoffs chemisch oder thermisch erfolgen. Es sind Kunststoffe bekannt, die bei einer Temperatur von 80°C in eine zwei- oder dreidimensionale Form gezwungen werden können und die diese Form nach Abkühlung auf Raumtemperatur beibehalten. Bei Erwärmung (durch Bestrahlung oder im Wär­ meschrank) auf die Temperatur von 80°C nimmt der Kunststoff seine frühere Form wieder an. Section B1 is shown in the figure as a 90 ° arc, that is after activating the art fabric. The activation of the plastic can be chemical depending on the property of the plastic or thermally. Plastics are known which in at a temperature of 80 ° C. a two- or three-dimensional shape can be forced and this shape after Keep cooling to room temperature. When heated (by radiation or in warm cabinet) at a temperature of 80 ° C the plastic returns to its former shape.  

Fig. 2. zeigt eine weitere Ausführungsform. Einem ersten Röhrchen 10 ist ein weiteres Röhr­ chen 30 mit innenliegenden Datenübertragungselementen 22 parallel angeordnet. Beide Röhr­ chen 10, 20 können miteinander verbunden sein, beispielsweise durch Kleben oder durch Schweißen, wobei die Verbindung nur an gewissen Punkten 16 oder über die gesamte Länge der Röhrchen erfolgen kann. Mindestens ein zum Bogen krümmbarer Abschnitt B3 dieses Doppelröhrchens ist von einer geraden Hülle 12" aus einem Kunststoff mit Formgedächtnis oder Rückstelleffekt ummantelt. Fig. 2. shows a further embodiment. A first tube 10 , another tube 30 with inner data transmission elements 22 is arranged in parallel. Both tubes 10 , 20 can be connected to one another, for example by gluing or welding, the connection being able to take place only at certain points 16 or over the entire length of the tube. At least one section B3 of this double tube, which can be bent into an arc, is encased by a straight casing 12 ″ made of a plastic with a shape memory or restoring effect.

Claims (7)

1. Element zur Führung von Datenübertragungskabeln - insbesondere in Fahrzeugen, beste­ hend aus mindestens einem Röhrchen (10) geringer Biegesteifigkeit mit innenliegenden Daten­ übertragungselementen (20), dadurch gekennzeichnet, daß das Röhrchen (10) nach Maß­ gabe gerade Abschnitte (10.1, 10.2) und mindestens einen Abschnitt (10.3, B1) umfaßt, der zu einem Bogen gekrümmt werden kann und daß mindestens ein zum Bogen krümmbarer Ab­ schnitt (10.3, B1) teilweise oder ganz von einer geraden Hülle (12, 12') ummantelt ist und die gerade Hülle (12, 12') aus einem Kunststoff mit Formgedächtnis gebildet ist, der nach Aktivie­ rung eine Bogenform (B1) annimmt.1. Element for guiding data transmission cables - in particular in vehicles, consisting of at least one tube ( 10 ) of low flexural rigidity with internal data transmission elements ( 20 ), characterized in that the tube ( 10 ) is made to measure straight sections ( 10.1 , 10.2 ) and comprises at least one section (10.3, B1) which can be curved into an arc and that at least one section (10.3, B1) which can be curved to form an arc is partially or completely encased by a straight casing ( 12 , 12 ') and which is straight Sheath ( 12 , 12 ') is formed from a plastic with shape memory, which takes on an arc shape (B1) after activation. 2. Element nach Anspruch 1, dadurch gekennzeichnet, daß der Kunststoff der Hülle (12, 12') wärmerückstellbar ist.2. Element according to claim 1, characterized in that the plastic of the sheath ( 12 , 12 ') is heat-recoverable. 3. Element nach Anspruch 1, dadurch gekennzeichnet, daß der Kunststoff der Hülle (12, 12') chemisch aktivierbar ist.3. Element according to claim 1, characterized in that the plastic of the shell ( 12 , 12 ') can be activated chemically. 4. Element nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Röhrchen (10) aus einer Schicht aus Metall und/oder einer Schicht aus Kunststoff aufgebaut ist.4. Element according to any one of the preceding claims, characterized in that the tube ( 10 ) is constructed from a layer of metal and / or a layer of plastic. 5. Element nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß dem Röhrchen (10) ein weiteres Röhrchen (30) mit innenliegenden Datenübertragungselementen (22) parallel liegend angeordnet ist, und mindestens ein zum Bogen krümmbarer Abschnitt (B3) von einer geraden Hülle (12") aus einem Kunststoff mit Formgedächtnis ummantelt ist, der nach Aktivierung eine Bogenform (B1) annimmt.5. Element according to any one of the preceding claims, characterized in that the tube ( 10 ), a further tube ( 30 ) with internal data transmission elements ( 22 ) is arranged in parallel, and at least one section (B3) which can be curved to form an arc from a straight casing ( 12 ") is encased in a plastic with shape memory, which takes on an arch shape (B1) after activation. 6. Element nach Anspruch 5, dadurch gekennzeichnet, daß die beiden Röhrchen (10 und 30) untereinander verbunden sind.6. Element according to claim 5, characterized in that the two tubes ( 10 and 30 ) are interconnected. 7. Verwendung eines Elements nach einem der vorhergehenden Ansprüche, dadurch gekenn­ zeichnet, daß das Formgedächtnis des Kunststoffs, der eine Hülle (12') auf mindestens einem krümmbaren Abschnitt (B0) bildet, vor der Montage des Elements aktiviert wird, so daß sich eine Bogenform (B1) der Hülle (12') ausbildet.7. Use of an element according to one of the preceding claims, characterized in that the shape memory of the plastic, which forms a shell ( 12 ') on at least one curvable section (B0), is activated before the assembly of the element, so that a Forms arc (B1) of the shell ( 12 ').
DE1999151167 1999-10-23 1999-10-23 Guide element for data transmission cable in automobile has straight pipe sections and curved pipe section enclosed by memory material cuff activated upon installation Expired - Fee Related DE19951167C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1999151167 DE19951167C1 (en) 1999-10-23 1999-10-23 Guide element for data transmission cable in automobile has straight pipe sections and curved pipe section enclosed by memory material cuff activated upon installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1999151167 DE19951167C1 (en) 1999-10-23 1999-10-23 Guide element for data transmission cable in automobile has straight pipe sections and curved pipe section enclosed by memory material cuff activated upon installation

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DE19951167C1 true DE19951167C1 (en) 2001-03-15

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005000966A1 (en) * 2005-01-07 2006-07-20 Rehau Ag + Co. Deformable object e.g. electrical conductor, fixing method for e.g. motor vehicle`s air conditioning system, involves section wise or complete re-shrinking object with thermal shrinkage hose and deflecting object re-shrinkable with hose
FR2962603A1 (en) * 2010-07-12 2012-01-13 Peugeot Citroen Automobiles Sa Electric cable for use in connection device in driving compartment of vehicle e.g. boat, has sleeve that is rigid and includes thickness less than that of insulating sheath, where conducting core is enclosed by insulating sheath
WO2020249142A1 (en) * 2019-06-13 2020-12-17 gwb.cz s.r.o. Optical cable protector for laying in small diameter pipes, the supporting system and the method of its laying.
EP3734781A4 (en) * 2017-12-28 2021-09-22 Aptiv Electric Systems Co., Ltd. Wiring structure for multi-slot connection

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048051A1 (en) * 1980-12-19 1982-07-01 Siemens AG, 1000 Berlin und 8000 München LENGTH DIVIDED SLEEVE PIPE MADE OF THERMOPLASTIC PLASTIC WITH FOMEDEDIA
DE19728286C1 (en) * 1997-07-02 1999-02-11 Felten & Guilleaume Energie Cable harness element for data transmission cables in automobile

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048051A1 (en) * 1980-12-19 1982-07-01 Siemens AG, 1000 Berlin und 8000 München LENGTH DIVIDED SLEEVE PIPE MADE OF THERMOPLASTIC PLASTIC WITH FOMEDEDIA
DE19728286C1 (en) * 1997-07-02 1999-02-11 Felten & Guilleaume Energie Cable harness element for data transmission cables in automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005000966A1 (en) * 2005-01-07 2006-07-20 Rehau Ag + Co. Deformable object e.g. electrical conductor, fixing method for e.g. motor vehicle`s air conditioning system, involves section wise or complete re-shrinking object with thermal shrinkage hose and deflecting object re-shrinkable with hose
FR2962603A1 (en) * 2010-07-12 2012-01-13 Peugeot Citroen Automobiles Sa Electric cable for use in connection device in driving compartment of vehicle e.g. boat, has sleeve that is rigid and includes thickness less than that of insulating sheath, where conducting core is enclosed by insulating sheath
EP3734781A4 (en) * 2017-12-28 2021-09-22 Aptiv Electric Systems Co., Ltd. Wiring structure for multi-slot connection
WO2020249142A1 (en) * 2019-06-13 2020-12-17 gwb.cz s.r.o. Optical cable protector for laying in small diameter pipes, the supporting system and the method of its laying.

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