EP2874241A1 - Ligne de raccordement électrique - Google Patents

Ligne de raccordement électrique Download PDF

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Publication number
EP2874241A1
EP2874241A1 EP20130193271 EP13193271A EP2874241A1 EP 2874241 A1 EP2874241 A1 EP 2874241A1 EP 20130193271 EP20130193271 EP 20130193271 EP 13193271 A EP13193271 A EP 13193271A EP 2874241 A1 EP2874241 A1 EP 2874241A1
Authority
EP
European Patent Office
Prior art keywords
connection line
electrical connection
line according
wires
holding means
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Withdrawn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
EP20130193271
Other languages
German (de)
English (en)
Inventor
Martin Ludwig
Andreas Urbaniak
Thomas Fuchs
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Priority to EP20130193271 priority Critical patent/EP2874241A1/fr
Priority to PCT/EP2014/074527 priority patent/WO2015071377A1/fr
Publication of EP2874241A1 publication Critical patent/EP2874241A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part

Definitions

  • the invention relates to an electrical connection line, in particular for the transmission of data at high speed. Above all, a connection cable for transferring data in vehicles.
  • connection section is usually bridged with a connection cable consisting of an electrical line and connectors at the ends of the line. It is important to note special features that occur when signals of higher frequency are transmitted. Only when the system of line, connectors and connection technology is adapted to one another can unwanted effects such as increased signal attenuation and crosstalk effects be minimized. For many years, cables have been used which have two wires twisted together. Known in the art as twisted pair cables. The cables are provided with connectors adapted to the transmission frequency and can thus transmit high-frequency signals relatively smoothly.
  • the wires can tear out of the connection to the contact element or pull the contact element out of the housing. If, for reasons of caution, twisting too weakly, areas are created along the line in which the two wires are not close together, which leads to a change in the impedance in these areas. A locally occurring impedance change affects the data transmission in a negative sense. After the wires are twisted again, they must still be fixed in position and secured against untwisted because they are no longer held together by the outer sheath. This is generally achieved with adhesive tape or with hoses that contract when exposed to heat. These methods are relatively expensive and in case of a necessary repair, the wires are difficult to access.
  • the invention has for its object to provide an electrical connection cable of the type mentioned above, which transmits high-frequency data signals without interference and is easy to manufacture.
  • An electrical connection line comprising a cable with an outer jacket, which surrounds, at least in sections, at least two mutually insulated conductors.
  • Contact elements which are attached to the ends of the conductors, wherein a holding means, between the end of the outer shell and the contact elements is mounted so that it surrounds the conductors and holds together.
  • An electrical connection line wherein the holding means is an elastic hose. Electrical connection line wherein the holding means along the longitudinal axis of the cable is deformable.
  • An electrical connection line wherein the size and position of the openings in the elastic tube are selected so that the tube can be gathered along its longitudinal axis.
  • An electrical connection line with the openings being slots.
  • An electrical connection line with the slots extending substantially in the longitudinal direction of the connecting line, in the wall of the hose.
  • connection line with the slots extending at an angle to the longitudinal direction of the connection line in the wall of the hose.
  • An electrical connection line wherein the holding means is designed as a spiral spring and the inner diameter of the spiral spring substantially corresponds to the summed diameter of the wires.
  • a tube for use as a holding means in an electrical connection line the tube having openings in its wall.
  • a method of making an electrical lead comprising the steps of: providing a cable having at least two insulated wires surrounded by an outer sheath. Then remove the outer sheath at the end of the cable so that the wires are accessible in one area. Then postpone a holding agent over the cores and deforming the holding means along the longitudinal direction, the cable in the direction of the outer sheath. Thereafter attaching the contact elements to the ends of the wires and deforming the deformable holding means in the extended position.
  • the holding means in this method is an elastic hose or a spiral spring.
  • connection cable according to the invention shown in the figures is a twisted pair cable known in the prior art, which is predominantly used for data transmission.
  • FIG. 1 shows, a standard twisted-pair cable 10 of two twisted together wires 14, 20.
  • the pair of wires is given by an outer sheath 12, which surrounds the wire pair, further stability.
  • the wires 14,20 consist of electrical conductors 18, 24, as well as an insulation 16, 22 which isolates the conductors 18,24 against each other.
  • a piece (L1) of the outer jacket 12 must be removed to access the individual wires 14, 20.
  • a piece of the insulation 16, 22 of the wires 14, 20 is removed to contact the now exposed conductor 18, 20.
  • FIG. 2 shows the twisted pair cable 10 after the outer jacket 12 has been removed and the two wires 14, 20 have been unwound.
  • the untwisting of the wires 14, 20 is necessary in order to be able to machine them.
  • Standard machines in the cable assembly require space around the wire ends of the wires 14, 20.
  • the wires 14, 20 must be in be movable in a certain area from the end of the outer shell 12, so that a piece of insulation 16,22 can be removed at the wire ends.
  • the conductors 18,24 are then exposed and can be contacted.
  • a hose is designed as a holding means and is therefore provided for better understanding with the reference number 30.
  • the tube 30 is pushed onto the two aligned wires 14,20.
  • the wires 14, 20 are aligned substantially parallel so that they lie as close together as possible after machining.
  • the tube 30 is pushed so far until it abuts the outer shell 12.
  • the length of the tube 30 does not correspond to the length of the region L1 in which the outer jacket has been removed.
  • the tube 30 has in this illustration openings 32 in slot shape, which are located in the tube wall.
  • the slots are arranged in this representation in the direction of the longitudinal axis A of the cable 10. In this position, the tube 30 surrounds the wires 14,20 and holds them together elastically.
  • the insulation 16,22 on the wires 14,20 is already removed.
  • FIG. 4 shows the tube 30 in the shirred state.
  • the tube 30 from the in FIG. 3 shown position from the line end, in the direction of the outer jacket 12, are pushed.
  • the tube can not slide over the outer shell 12 because its diameter is larger than the inner diameter of the tube (30).
  • a tube without openings in the wall would be a further pushing over the wires 14,20, against the outer shell 12, again. This would only work with an extremely thin-walled hose.
  • the elastic tube 30 with openings 32 but has the opportunity to gather.
  • the tube 30, transverse to the direction A in wrinkles so as to reduce its length over the veins 14,20.
  • the tube 30 comprises only a smaller area L2 of the wires 14,20.
  • the mobility of the individual wires 14, 20 is made possible and thus a processing of the individual wire ends possible.
  • connection lead can be seen after contact parts 40 have been attached to the wire ends of the wires 14, 20 and the elastic hose 30 has been returned to its stretched, original position. Due to the elastic properties of the tube 30, the wires 14, 20 are held together tightly. In this illustration, the tube 30 does not extend over the entire region L1 at which the outer jacket 12 has been removed. However, it can be seen that the tube 30 includes the wires 14, 20 over the entire area between outer jacket 12 and contact parts 40 and holds them together.
  • the invention is based on the observation that the transmission properties of the connecting line remain acceptable even when the wires are guided parallel to one another in the region of the connecting line in which the outer jacket has been removed.
  • the parallel cores must always be adjacent to each other.
  • an elastic holding means which is pushed onto the wires after the outer jacket has been removed.
  • the holding means takes over the task of holding the wires together, the outer sheath.
  • the holding means is pushed in the direction of the end face of the outer shell. After working the wire ends, the holding means is brought to its original, stretched position where it holds the wires close together.
  • an elastic hose is used as holding means.
  • the use of an elastic hose ensures that the two wires are always kept close to each other. This ensures a lasting impedance of the line and thus excellent immunity to interference.
  • the inner diameter of the elastic tube is smaller than the summed diameter of the wires, the electrical connection line.
  • the hose has a wall thickness substantially corresponding to the wall thickness of the outer jacket. This wall thickness provides the necessary strength to hold the wires together. At the same time, the wall thickness is small enough to remain flexible and not mechanically stiffen the wire pair.
  • the tube has openings in its wall so that it can be gathered in the direction of the outer jacket and releases the wires for processing.
  • an elastic tube with openings in the wall it is possible to allow the tube a certain wall thickness, which leads to two further advantages.
  • the wall thickness prevents an adjacent data line from accidentally leaning too close to the connecting line and causing errors due to crosstalk.
  • the stable tube wall is pressed by the stable tube wall with sufficient force against the wires to hold them together reliably over the entire length.
  • the tube has slots in its wall.
  • the arrangement, number and length of the slots determine the properties of the tube when shirring and in its stretched state.
  • the optimal setting of these parameters generates a hose that is good at shirring and holds the wires together elastically in the stretched state.
  • the elastic tube has a varying wall thickness. Areas with very thin wall thicknesses can behave approximately like openings if the thin areas of the hose wall stretch and thus allow shirring of the hose.
  • the wall of the elastic tube bulges along its longitudinal axis, wavy inward and outward.
  • the hose can be pushed together like an accordion and pulled apart.
  • the wall thickness of the elastic tube along its longitudinal axis alternates ---.
  • the thin areas can be easily gathered and the areas with large wall thickness keep the veins together.
  • the holding means is designed as a spiral spring, wherein the inner diameter of the spiral spring substantially corresponds to the summed diameter of the wires.
  • Another advantage of the structure is evident in the case of a plug-in error during assembly of the line or in a later required repair. Then the veins can simply by shirring the tube be made accessible after the repair, by stretching the tube, pressed together again.

Landscapes

  • Insulated Conductors (AREA)
  • Processing Of Terminals (AREA)
EP20130193271 2013-11-18 2013-11-18 Ligne de raccordement électrique Withdrawn EP2874241A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20130193271 EP2874241A1 (fr) 2013-11-18 2013-11-18 Ligne de raccordement électrique
PCT/EP2014/074527 WO2015071377A1 (fr) 2013-11-18 2014-11-13 Ligne de raccordement électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20130193271 EP2874241A1 (fr) 2013-11-18 2013-11-18 Ligne de raccordement électrique

Publications (1)

Publication Number Publication Date
EP2874241A1 true EP2874241A1 (fr) 2015-05-20

Family

ID=49683428

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20130193271 Withdrawn EP2874241A1 (fr) 2013-11-18 2013-11-18 Ligne de raccordement électrique

Country Status (2)

Country Link
EP (1) EP2874241A1 (fr)
WO (1) WO2015071377A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0518560A1 (fr) * 1991-06-04 1992-12-16 Minnesota Mining And Manufacturing Company Douille protectrice et procédé d'assembler cette douille protectrice sur un objet à être protégé
EP1870966A2 (fr) * 2006-06-22 2007-12-26 Fenoplastica, S.A. Connecteur électrique
EP2442407A2 (fr) * 2010-10-12 2012-04-18 Intercontec Pfeiffer GmbH Elément enfichable pour un connecteur à fiche électrique ainsi que procédé de montage d'un élément enfichable

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694122A (en) * 1986-03-04 1987-09-15 Cooper Industries, Inc. Flexible cable with multiple layer metallic shield
DE202013006297U1 (de) * 2013-07-11 2013-07-25 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Steckverbinder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0518560A1 (fr) * 1991-06-04 1992-12-16 Minnesota Mining And Manufacturing Company Douille protectrice et procédé d'assembler cette douille protectrice sur un objet à être protégé
EP1870966A2 (fr) * 2006-06-22 2007-12-26 Fenoplastica, S.A. Connecteur électrique
EP2442407A2 (fr) * 2010-10-12 2012-04-18 Intercontec Pfeiffer GmbH Elément enfichable pour un connecteur à fiche électrique ainsi que procédé de montage d'un élément enfichable

Also Published As

Publication number Publication date
WO2015071377A1 (fr) 2015-05-21

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