EP3242359A1 - Cable - Google Patents

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Publication number
EP3242359A1
EP3242359A1 EP16168318.0A EP16168318A EP3242359A1 EP 3242359 A1 EP3242359 A1 EP 3242359A1 EP 16168318 A EP16168318 A EP 16168318A EP 3242359 A1 EP3242359 A1 EP 3242359A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
section
support sleeve
cable according
webs
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.)
Granted
Application number
EP16168318.0A
Other languages
German (de)
French (fr)
Other versions
EP3242359B1 (en
Inventor
Thomas Kirschner
Markus DAIMINGER
Sebastian Brückner
Stefan SPERR
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.)
MD Elektronik GmbH
Original Assignee
MD Elektronik GmbH
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 MD Elektronik GmbH filed Critical MD Elektronik GmbH
Priority to EP16168318.0A priority Critical patent/EP3242359B1/en
Publication of EP3242359A1 publication Critical patent/EP3242359A1/en
Application granted granted Critical
Publication of EP3242359B1 publication Critical patent/EP3242359B1/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/40Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00Communication cables or conductors
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/24Devices affording localised protection against mechanical force or pressure
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518Connection to outer conductor by crimping or by crimping ferrule
    • 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 in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubings or conduits or channels or other supports
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00Connectors or connections adapted for particular applications
    • H01R2201/26Connectors or connections adapted for particular applications for vehicles

Abstract

The invention relates to a cable with a plug-in coupling element, comprising an inner conductor (1), an insulation (2), which is arranged radially outwardly with respect to the inner conductor (1), a screen (3), which with respect to the insulation (2) arranged radially outward is, a sleeve (4), a jacket (5) and a support sleeve (6). This has a plurality of webs (6.2), wherein the webs (6.2) extend in a direction with axial component. The sleeve (4) has a first portion (4.1), a second portion (4.2) and a third portion (4.3), wherein the first and the second portion (4.1, 4.2) with respect to the support sleeve (6) are arranged radially outward , The second section (4.2) has a radial constriction, the sleeve (4) enclosing the webs (6.2) in the second section (4.2). Furthermore, the sleeve (4) encloses the jacket (5) in the third section (4.3). The second section (4.2) is arranged in the axial direction (x) between the first section (4.1) and the third section (4.3).

Description

  • The invention relates to a prefabricated cable which comprises a plug-in coupling element or a plug connector and is suitable in particular for the transmission of signals, according to claim 1.
  • FIELD OF TECHNOLOGY
  • The cables in question are used for example in motor vehicles or aircraft and are usually needed in large quantities. For cost-effective provision of appropriate cables a simple structure and ease of assembly are of great importance. Such cables must be made so that they can be transmitted with these signals at a high data rate, as required for example for a high-quality video signal transmission. In addition, such cables must be made robust, in particular, the plug-in coupling element must be attached to the head with a defined minimum withdrawal force.
  • STATE OF THE ART
  • From the DE 20 2015 000 751 U1 a cable is known which is intended to ensure a stable and tension-resistant connection between a plug connector and a line, wherein the connection should optimally be electrically adapted as far as possible over its entire extent in the cable longitudinal direction. The corresponding cable has a sleeve which has a constriction in the region of the wires of the cable.
  • SUMMARY OF THE INVENTION
  • The invention has for its object to provide a cable which is robust and yet manufacturable with relatively little manufacturing effort.
  • This object is achieved by the features of claim 1.
  • According to the invention, the cable has a plug-in coupling element which comprises an inner conductor, an insulation, a screen, a sleeve, a jacket and a support sleeve. The insulation is arranged radially outside with respect to the inner conductor and thus encloses this. Furthermore, the screen is arranged radially outside with respect to the insulation. The support sleeve has a plurality of webs extending in a direction with axial component. The sleeve has a first portion, a second portion and a third portion, wherein the first and the second portion are arranged radially outwardly relative to the support sleeve. The second section has a radial constriction, so that the sleeve has a narrowed inner cross section in this section. In particular, the sleeve is designed such that its inner cross-section in the second section is minimal. The sleeve encloses the webs of the support sleeve in the second section. In addition, the sleeve surrounds the jacket in the third section. The cable is configured such that the second portion is disposed in the axial direction (with respect to the axial direction) between the first portion and the third portion.
  • The term "enclose" is understood in the following to mean an arrangement in which one component of the cable surrounds another, ie is arranged radially outward with respect to the one component or is arranged radially outside of the one component. In this case, one component can touch or contact the other or one or more intermediate elements can be provided between the relevant components.
  • The support sleeve has a plurality of webs extending in a direction with axial component. In particular, these are elements which are arranged or formed with an axial direction component cantilevered on the support sleeve. The axial direction is to be understood as meaning a direction along the longitudinal axis of the plug-in coupling element; in particular, the plug-in coupling element is to be actuated in this direction during proper operation. Consequently, an electrical contact of the plug-in coupling element with a corresponding counterpart can be made or interrupted by pushing or pulling in the direction parallel to the axis.
  • The invention relates to cables which have an inner conductor or a plurality of wires insulated from each other electrically.
  • Advantageously, the support sleeve is made of a rolled sheet, in particular as an open crimp barrel.
  • In an advantageous construction, the cable is designed so that the sleeve is made of a first material and the support sleeve made of a second material, which differs from the first material. In particular, both materials are metallic materials.
  • In a further embodiment of the invention, the first material has a lower modulus of elasticity than the second material.
  • In an advantageous embodiment of the invention, the support sleeve on at least three webs extending in a direction with axial component.
  • Particularly advantageously, the invention can be applied to miniaturized dimensioned cables whose support sleeve has a maximum diameter of less than 50 mm, in particular less than 10 mm, in particular less than 8 mm.
  • Advantageously, the cable is made so that the radial constriction is configured circumferentially.
  • In a further embodiment of the invention, the radial constriction has a substantially V-shaped longitudinal section geometry. This consideration relates in particular to a cut surface longitudinally through the sleeve.
  • Advantageously, the webs of the support sleeve are each arranged at the same angular offset along the circumference of the support sleeve, in particular, then the angle offset between two adjacent webs 360 / n, where n is the number of webs and the respective angular offset between the centers of the respective webs is determined. Accordingly, the webs of the support sleeve are advantageously arranged along the circumference at the same distance.
  • In an advantageous embodiment of the invention, the sleeve, in particular in the second section, designed such that the inside has a first conical surface, which is supported against the webs.
  • Advantageously, the sleeve is designed such that its inner side has a second conical surface, which is supported against the mantle.
  • In a further embodiment of the invention, the screen is folded over and the support sleeve is arranged radially between two layers of the screen. In this case, the sleeve encloses the two layers of the screen in the first section or the first section is arranged radially outwardly relative to the two layers of the screen. In particular, the screen may have a multilayer structure, for example of a foil and a wire mesh. In this case, only one layer can be handled, for example, the wire mesh.
  • Advantageous embodiments of the invention will remove the dependent claims.
  • Further details and advantages of the cable according to the invention will become apparent from the following description of an embodiment with reference to the accompanying figures.
  • BRIEF DESCRIPTION OF THE DRAWING
  • It show the
  • FIG. 1
    a side view of the cable,
    FIG. 2
    a partial longitudinal section of the cable,
    FIG. 3
    a perspective view of the support sleeve.
    DESCRIPTION OF THE EMBODIMENTS
  • In the FIG. 1 a cable for transmitting signals is shown, in particular for installation in a vehicle. By the signals, for example, video images can be passed from a camera to an on-board computer. The cable can be releasably connected by a plug-in coupling element at its end with a corresponding counterpart of another component, such as an element of a board electronics in the sense of a plug connection. As an outer conductor of the plug-in coupling element is used in the illustrated embodiment, a one-piece sleeve 4, as in the FIG. 1 represented, which is mechanically and electrically connected to a line. The sleeve 4 has a longitudinal axis A extending along an axial direction x. The invention is particularly advantageous for cables with a very small outer diameter. In the presented embodiment, the line has an outer diameter of 3.3 mm.
  • In the FIG. 2 is a partial longitudinal section through the cable according to the FIG. 1 shown. Accordingly, the cable in the presented embodiment, an inner conductor 1, which consists for example of a plurality of individual wires, on. Radially outside the inner conductor 1, a hollow cylindrical insulating layer 2 is arranged.
  • Furthermore, the cable, in particular the line, comprises a screen 3, which here comprises a wire mesh 3.1 and a foil 3.2 and which surrounds the insulating layer 2. Radially outside the screen 3 is an insulating jacket 5 which surrounds the screen 3 over the greatest length of the cable.
  • In the course of the production of the cable, such a line is first provided. The pipe is cut to length and the jacket 5 is removed at the end of the pipe. This step is carried out so that the screen 3 is then exposed at the relevant end of the line.
  • Subsequently, a support sleeve 6 is placed around the screen 3. The support sleeve 6 can be configured as an open or closed sleeve, in particular as an open or closed crimp sleeve according to the definition according to DIN EN 60352-2. In the FIG. 3 the support sleeve 6 is shown after processing, but for the sake of clarity without the other components of the cable. In the presented embodiment according to the FIG. 3 the support sleeve 6 is made of a rolled sheet and thus designed in an open design. As a material for the support sleeve 6, for example, a stainless steel can be used with an E-modulus of 200 GPa. The support sleeve 6 is made of an electrically conductive material. After pressing, the support sleeve 6 has a substantially hollow-cylindrical section 6.1 and three webs 6.2. In the illustrated embodiment, the webs 6.2 are formed on the hollow cylindrical section 6.1.
  • After the support sleeve 6 has been placed around the screen 3, the support sleeve 6 is pressed or crimped, so that the support sleeve 6 is fixed radially outside of the exposed screen 3 on the screen 3, in particular on the wire mesh 3.1. The outer diameter of the support sleeve 6 is here only 3 mm.
  • Thereafter, the exposed screen 3 or the end of the line out of the support sleeve 6 protruding end of the screen 3, in particular of the wire mesh 3.1, turned over. In the illustrated embodiment, the film 3.2 is not handled.
  • Accordingly, the support sleeve 6 is then arranged within an axial section, that extends along the longitudinal axis A, between a first layer and a second layer of the wire mesh 3.1. The first layer of the wire mesh 3.1 is arranged relative to the second layer of the wire mesh 3.1 radially further inward.
  • Next, the insulating layer 2 at the end of the line is removed. At the thus prepared line a contact, not shown in the figures is attached. In particular, a contact is made at the stripped end of the inner conductor 1 fixed, here by a crimping process. Thereafter, the contact in a dielectric, ie electrically insulating, contact carrier 7 ( FIG. 1 ) used.
  • Subsequently, the sleeve 4 is placed around the second layer of the wire mesh 3.1. The sleeve 4 can also be designed as an open or closed crimp barrel, in particular according to the definition according to DIN EN 60352-2. In the illustrated embodiment, the sleeve 4 is open and made of electrically conductive material, here spring bronze with an E-modulus of 115 GPa.
  • Thereafter, the sleeve 4 is crimped or crimped, so that the sleeve 4 is fixed to the screen 3. The fact that the material or the material of the sleeve 4 has a lower modulus of elasticity than the material of the support sleeve 6, the withdrawal force can be increased. In addition, a higher Torsionsbeanspruchbarkeit the cable can be achieved in the joint area.
  • The cable is now designed so that the sleeve 4 has a first section 4.1, a second section 4.2, a third section 4.3 and a fourth section 4.4, wherein the sections are aligned in the axial direction x. The second section 4.2 is arranged in the axial direction x between the first section 4.1 and the third section 4.3.
  • The first section 4.1 and the second section 4.2 enclose the support sleeve 6 or are arranged radially further outward with respect to the support sleeve 6.
  • Furthermore, the second section 4.2 has a radial circumferential narrowing, which was produced by the pressing or crimping. The radial narrowing has, such as from the FIG. 2 can be seen (upper or lower cutting surface longitudinally through the sleeve 4), a substantially V-shaped longitudinal section geometry. This second section 4.2 of the sleeve 4 encloses the webs 6.2, which extend in a direction which has a component in the axial direction x. The second section 4.2 is designed such that the inside of a conical Has surface, which is supported against the webs 6.2. As a result of the crimping or the production of the circumferential constriction, the webs 6.2 are bent radially inwardly and have an obliquely radially inwardly oriented course, so that the webs are pressed 6.2 in the wire mesh 3.1. Accordingly, the webs 6.2 are under mechanical prestress on the screen 3, in particular on the wire mesh 3.1.
  • The third section 4.3 is that axial region of the sleeve 4, which encloses the jacket 5. Due to the constriction, the sleeve 4 is supported in the axial direction x against the jacket 5 in a form-fitting manner.
  • Due to the V-shaped longitudinal section geometry and the associated two in the axial direction x opposite conical surfaces on the inside of the sleeve 4, a comparatively large tolerance range with respect to the relative axial position of the sleeve 4 on the one hand with respect to the jacket 5 and the support sleeve 6 are allowed on the other ,
  • As an alternative to the presented embodiment, the cable can also be configured such that the screen 3 or the wire mesh 3.1 is not folded over and in particular the sleeve 4 then not only encloses the support sleeve 6 in the first section 4.1, but also touches it directly.
  • The invention makes it possible to produce a cable which, in spite of its comparatively small diameter, has, among other things, high pull-off values, ie high forces required to release the connection between the line and the sleeve 4.

Claims (12)

  1. Cable with a plug-in coupling element, comprising:
    an inner conductor (1),
    an insulation (2), which is arranged radially outward with respect to the inner conductor (1),
    a screen (3), which is arranged radially outside with respect to the insulation (2),
    a sleeve (4),
    - a jacket (5) and
    - A support sleeve (6) having a plurality of webs (6.2), wherein the webs (6.2) extend in a direction with axial component, wherein
    the sleeve (4) has a first portion (4.1), a second portion (4.2) and a third portion (4.3), wherein the first and the second portion (4.1, 4.2) with respect to the support sleeve (6) are arranged radially outward and
    the second section (4.2) has a radial constriction, the sleeve (4) enclosing the webs (6.2) of the support sleeve (6) in the second section (4.2), wherein
    the sleeve (4) in the third section (4.3) surrounds the jacket (5), and the second section (4.2) is arranged in the axial direction (x) between the first section (4.1) and the third section (4.3).
  2. Cable according to claim 1, wherein the support sleeve (6) is made of a rolled sheet.
  3. Cable according to claim 1 or 2, wherein the sleeve (4) is made of a first material and the support sleeve (6) of a second material, which differs from the first material.
  4. Cable according to claim 3, wherein the first material has a lower modulus of elasticity than the second material.
  5. Cable according to one of the preceding claims, wherein the webs (6.2) of the support sleeve (6) are each arranged at the same angular offset along the circumference of the support sleeve (6).
  6. Cable according to one of the preceding claims, wherein the support sleeve (6) has at least three webs (6.2), each extending in a direction with axial component.
  7. Cable according to one of the preceding claims, wherein the support sleeve (6) has a diameter which is less than 50 mm.
  8. Cable according to one of the preceding claims, wherein the radial constriction is configured circumferentially.
  9. Cable according to one of the preceding claims, wherein the radial constriction has a substantially V-shaped longitudinal section geometry.
  10. Cable according to one of the preceding claims, wherein the sleeve (4) is designed such that its inner side has a first conical surface, which is supported against the webs (6.2).
  11. Cable according to one of the preceding claims, wherein the sleeve (4) is designed such that its inner side has a second conical surface, which is supported against the jacket (5).
  12. Cable according to one of the preceding claims, wherein the screen (3) is turned over and the support sleeve (6) is arranged radially between two layers of the screen (3) and the sleeve (4) covers the two layers of the screen (3) in the first section ( 4.1) encloses.
EP16168318.0A 2016-05-04 2016-05-04 Cable Active EP3242359B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16168318.0A EP3242359B1 (en) 2016-05-04 2016-05-04 Cable

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
HUE16168318A HUE045125T2 (en) 2016-05-04 2016-05-04 Cable
EP16168318.0A EP3242359B1 (en) 2016-05-04 2016-05-04 Cable
DE102017201969.7A DE102017201969A1 (en) 2016-05-04 2017-02-08 electric wire
MX2017002636A MX2017002636A (en) 2016-05-04 2017-02-28 Cable.
CN201710126389.8A CN107346682A (en) 2016-05-04 2017-03-03 Cable
US15/494,562 US10074462B2 (en) 2016-05-04 2017-04-24 Cable having a pluggable connector

Publications (2)

Publication Number Publication Date
EP3242359A1 true EP3242359A1 (en) 2017-11-08
EP3242359B1 EP3242359B1 (en) 2019-07-17

Family

ID=55910890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16168318.0A Active EP3242359B1 (en) 2016-05-04 2016-05-04 Cable

Country Status (6)

Country Link
US (1) US10074462B2 (en)
EP (1) EP3242359B1 (en)
CN (1) CN107346682A (en)
DE (1) DE102017201969A1 (en)
HU (1) HUE045125T2 (en)
MX (1) MX2017002636A (en)

Cited By (2)

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EP3429029A1 (en) * 2017-07-15 2019-01-16 Rosenberger Hochfrequenztechnik GmbH & Co. KG Connector assembly
EP3573187A1 (en) * 2018-05-25 2019-11-27 Rosenberger Hochfrequenztechnik GmbH & Co. KG Connector assembly

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Publication number Priority date Publication date Assignee Title
DE102018202952A1 (en) * 2018-02-28 2019-08-29 Robert Bosch Gmbh Electric cable and connector with such a line

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MX2017002636A (en) 2018-08-15
US10074462B2 (en) 2018-09-11
CN107346682A (en) 2017-11-14
HUE045125T2 (en) 2019-12-30
US20170323706A1 (en) 2017-11-09
EP3242359B1 (en) 2019-07-17

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