EP4097799A1 - Câble électrique préfabriqué, ensemble connecteur enfichable, et procédé et appareil de fabrication d'un câble électrique - Google Patents

Câble électrique préfabriqué, ensemble connecteur enfichable, et procédé et appareil de fabrication d'un câble électrique

Info

Publication number
EP4097799A1
EP4097799A1 EP21702219.3A EP21702219A EP4097799A1 EP 4097799 A1 EP4097799 A1 EP 4097799A1 EP 21702219 A EP21702219 A EP 21702219A EP 4097799 A1 EP4097799 A1 EP 4097799A1
Authority
EP
European Patent Office
Prior art keywords
longitudinal section
insulation element
electrical cable
outer conductor
cross
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
EP21702219.3A
Other languages
German (de)
English (en)
Other versions
EP4097799B1 (fr
EP4097799C0 (fr
Inventor
Martin Zebhauser
Thomas MIEDL
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.)
Rosenberger Hochfrequenztechnik GmbH and Co KG
Original Assignee
Rosenberger Hochfrequenztechnik 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 Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Publication of EP4097799A1 publication Critical patent/EP4097799A1/fr
Application granted granted Critical
Publication of EP4097799B1 publication Critical patent/EP4097799B1/fr
Publication of EP4097799C0 publication Critical patent/EP4097799C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/521—Sealing between contact members and housing, e.g. sealing insert
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural 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
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency

Definitions

  • the present invention relates to a pre-assembled electrical cable, a connector arrangement and a method and a device for assembling an electrical cable.
  • a connector is used to connect an electrical cable to another electrical cable or circuit board.
  • the electrical and mechanical connection of a connector to an electrical cable is carried out in a manufacturing process for the electrical cable.
  • the inner conductor from the insulation element, the insulation element from the outer conductor shield and the outer conductor shield from the cable jacket are each exposed.
  • a support sleeve can then be crimped onto the exposed outer conductor screen or onto the cable sheath and the outer conductor screen can be folded over around the support sleeve.
  • an electrical cable pre-assembled in this way is inserted into the outer conductor contact element of the connector and crimped to the outer conductor contact element.
  • the transition between the electrical cable and the connector is optimized with regard to the impedance curve.
  • the impedance of the connector and the impedance curve in the transition between the electrical cable and the connector are matched as best as possible to the reference impedance of the electrical cable of, for example, 50 ohms.
  • suitable measures are taken in the connector to compensate for the mismatch. In both cases, reflections of the high-frequency signal along the signal transmission path are minimized.
  • the geometric dimensions of the individual components of the connector - i. H. the outer conductor shield, the optional support sleeve, the insulation element, the inner conductor contact element and the outer conductor contact element - must be optimally matched to one another with the lowest possible manufacturing tolerance.
  • the individual manufacturing steps of the assembly must be carried out with the best possible manufacturing accuracy.
  • the individual components of an electrical cable - ie the inner conductor, the insulation element, the outer conductor shield and the cable jacket - are made from a specific material and have a specific geometric dimension.
  • the outer diameter of the insulation element is of particular importance, since it should correspond to the inner diameter of the outer conductor contact element for impedance matching.
  • an associated outer conductor contact element with a suitable inner diameter must be manufactured. This requires a variety of designs, tools, manufacturing plans, and machine programs. This makes the production more complicated overall and thus disadvantageously increases the production costs considerably.
  • the present invention is based on the object of specifying a pre-assembled electrical cable with which the above-mentioned manufacturing and storage costs can be significantly reduced.
  • a connector arrangement as well as a method and a device for assembling an electrical cable are to be specified, with which the above-mentioned manufacturing and storage costs can also be significantly minimized.
  • this object is achieved by a pre-assembled electrical cable with the features of claim 1, by a connector arrangement with the features of claim 10, by a method for assembling an electrical cable with the features of claim 12 and by a device for assembling an electrical cable the features of claim 21 solved.
  • a pre-assembled electrical cable (hereinafter also sometimes referred to as "electrical cable”), having
  • the insulation element has a first longitudinal section in which the insulation element is exposed from the outer conductor screen
  • - has a second longitudinal section adjoining the first longitudinal section, in which the insulation element is enclosed by the outer conductor screen, - wherein a cross-sectional area of the insulation element in the first longitudinal section compared to the cross-sectional area of the insulation element in the second longitudinal section is changed in such a way that the first longitudinal section can be inserted into a first connector section of an outer conductor contact element of a plug connector and the insulation element is calibrated to the outer conductor contact element in the first longitudinal section.
  • a connector assembly comprising
  • the electrical cable has an outer conductor screen and
  • the insulation element has a first longitudinal section in which the insulation element is exposed from the outer conductor screen
  • a cross-sectional area of the insulation element in the first longitudinal section compared to the cross-sectional area of the insulation element in the second longitudinal section is changed in such a way that the first longitudinal section of the insulation element is inserted into a first connector section of an outer conductor contact element of the connector and the insulation element is calibrated to the outer conductor contact element in the first longitudinal section.
  • the cross-sectional area of the first longitudinal section being changed in relation to the cross-sectional area of the second longitudinal section in such a way that the first longitudinal section of the insulation element can be inserted into a first connector section of the outer conductor contact element of the connector and the insulation element is calibrated to the outer conductor contact element in the first longitudinal section.
  • a device for assembling an electrical cable comprising
  • a processing device for changing a cross-sectional area in a first longitudinal section of an insulation element of the electrical cable that is exposed by an outer conductor screen and - A joining device for inserting the electrical cable into an outer conductor contact element of a connector
  • the processing device is set up in such a way that it changes a cross-sectional area in the first longitudinal section in such a way that the first longitudinal section can be inserted in a first connector section of the outer conductor contact element and the insulation element is calibrated to the outer conductor contact element in the first longitudinal section.
  • the insulation element of the electrical cable rests in the outer conductor contact element of the connector after a joining process and the insulation element of the cable is calibrated to the outer conductor contact element of the connector.
  • calibration means that in the first longitudinal section the cross section of the insulation element, in particular the outer diameter of the insulation element, is adapted to the cross section of the outer conductor contact element, in particular to the inner diameter of the outer conductor contact element.
  • the first longitudinal section of the insulation element is preferably inserted in the outer conductor contact element of the plug connector without an air layer in between.
  • the cross-sectional area of the longitudinal section of the insulation element which is exposed by the outer conductor shield and is referred to below as the first longitudinal section compared to the cross-sectional area of the longitudinal section of the insulation element which is enclosed by the outer conductor shield and hereinafter referred to as the second longitudinal section can be changed.
  • the cross-sectional area of the first longitudinal section can be changed such that the first longitudinal section of the insulation element can be inserted in a longitudinal section of the outer conductor contact element and the insulation element is calibrated to the outer conductor contact element in the first longitudinal section.
  • the longitudinal section of the universally usable outer conductor contact element, in which the first longitudinal section of the insulation element is inserted and is calibrated to the outer conductor contact element is referred to below as the first connector section.
  • the change in the cross-sectional area of the first longitudinal section to the cross-sectional area of the second longitudinal section of the insulation element is preferably carried out in an additional assembly step before the process of joining the electrical cable into the plug connector.
  • this additional assembly step can also be carried out while the support sleeve is being crimped onto the outer conductor shield.
  • the pre-assembled electrical cable according to the invention is thus set up in such a way that the cross-sectional area in a first longitudinal section, in which the insulation element is exposed from the outer conductor shield, can be changed in such a way that the first Longitudinal section of the insulation element can be inserted into the first connector section of the outer conductor contact element and the insulation element is calibrated to the outer conductor contact element in the first longitudinal section.
  • the cross-sectional area of the insulation element in the first and in the second longitudinal section is in each case a cross-sectional area, the surface normal vector of which is oriented parallel to the longitudinal axis of the electrical cable.
  • a surface normal vector is understood here and in the following to be a vector that is oriented perpendicular to the cross-sectional area.
  • the electrical cable is preferably a high frequency cable, i. H. an electrical cable for transmitting a high frequency signal.
  • a high-frequency signal is an electrical signal in a frequency range from 5 MHz to 5 THz, i.e. H. understood essentially the frequency range of an electromagnetic wave.
  • Such a frequency range is for the transmission at a data transmission rate of preferably at least 50 Gbit / s, particularly preferably at least 100 Gbit / s, very particularly preferably at least 200 Gbit / s, more preferably at least 500 Gbit / s and even more preferably at least 1000 Gbit / s suitable.
  • Such a high-frequency cable preferably has an inner conductor, an insulation element surrounding the inner conductor, an outer conductor shield surrounding the insulation element, and a cable jacket surrounding the outer conductor shield.
  • a high-frequency cable that is designed in this way and has only a single inner conductor is also referred to as a coaxial cable.
  • the high-frequency cable can also have several inner conductors or cable cores, for example two inner conductors, three inner conductors, four inner conductors and even more inner conductors. These inner conductors are electrically isolated from one another and from the outer conductor shield by a common insulation element and are mechanically spaced apart.
  • these can be twisted within the cable in the manner of a "twisted pair” cable, or they can also be routed in parallel, as in the case of a "parallel pair” cable, for example.
  • the outer conductor shield can in particular be a braided outer conductor shield made of individual wires that are intertwined with one another.
  • the second longitudinal section of the insulation element preferably remains in its original state and therefore unchanged with regard to its cross-sectional area.
  • the pre-assembled electrical cable according to the invention is preferably set up in such a way that the outer diameter of the second longitudinal section in the insulation element is different from the inner diameter of the first connector section in the outer conductor contact element. Insertion of the insulation element of the pre-assembled cable into the outer conductor contact element of the plug connector can thus only be limited to the first longitudinal section of the insulation element, the outer diameter of which is adapted to the inner diameter of the outer conductor contact element.
  • the cross-sectional area in the first longitudinal section of the insulation element is changed in relation to the second longitudinal section in such a way that the insulation element has a different outer diameter in the first and second longitudinal section.
  • the outer diameter in the first longitudinal section of the insulation element corresponds to the preferably constant inner diameter in the first connector section of the outer conductor contact element.
  • the insulation element preferably has a constant outer diameter along the entire first longitudinal section and the entire second longitudinal section, which are different from one another.
  • the pre-assembled electrical cable with the first longitudinal section of its insulation element can be inserted comparatively easily and at the same time calibrated into the first connector section of the outer conductor contact element, which likewise preferably has a constant inner diameter.
  • the outer wall in the first longitudinal section of the insulation element thus lies fully against the inner wall in the first connector section of the outer conductor contact element.
  • Such a change in the cross-sectional area in the first longitudinal section of the insulation element advantageously represents the simplest deformation of the insulation element in terms of manufacturing technology within the meaning of the object of the invention.
  • the outer diameter of the insulation element is larger than the inner diameter in the first connector section of the outer conductor contact element.
  • the outer diameter of the insulation element in the first longitudinal section is preferably made by means of a forming process, i. H. reduced by means of radial embossing with an embossing device.
  • the embossing device comprises an embossing stamp and an embossing die, each with a semi-cylindrical recess, which are each arranged opposite one another.
  • the stamping die typically moves in the direction of the stationary stamping die until the two semi-cylindrical recesses form a common, fully cylindrical recess.
  • the diameter of the first longitudinal section of the insulation element inserted radially inside the recess of the stamping die and the stamping die is squeezed to the diameter of the closed, fully cylindrical recess of the stamping stamp and the stamping die.
  • the forming process can be carried out by means of hot stamping with a tempered semi-cylindrical embossing die and a tempered semi-cylindrical embossing die.
  • the insulation element can be made from a porous dielectric insulation material.
  • the porosity of such a dielectric insulation material is preferably between 20 and 75% by volume, particularly preferably between 50 and 75% by volume.
  • a porous dielectric insulation material is, for example, foamed polyethylene or foamed polypropylene.
  • the radial compression of the insulation element in the first longitudinal section by means of embossing or hot embossing does not lead to any substantial displacement of the insulation material in the axial direction out of the first longitudinal section.
  • the insulation material is non-porous or only slightly porous, the porosity is below 20% by volume or significantly below 20% by volume.
  • a non-porous or only slightly porous insulation material is, for example, non-foamed polytetrafluoroethylene or non-foamed polypropylene.
  • the radial compression of the insulation element causes the insulation material to be displaced in the axial direction out of the first longitudinal section in both reshaping processes.
  • a sharp-edged web preferably formed on the die and on the embossing die cuts into the insulation element .
  • the groove which is thereby preferably formed over the entire circumference in the insulation element and in which the sharp-edged web is held during the stamping process, has a suitably dimensioned one Depth on. This groove depth is to be designed depending on the change in diameter in the first longitudinal section.
  • the insulation material axially displaced in the direction of the cable-side end by the radial embossing process or the insulation layer, which can be removed using the cutting tool in the process described below, must be separated from the first longitudinal section of the insulation element by a cutting process in a further assembly step, if necessary.
  • a commonly used cutting device can be used for this cutting process.
  • the outside diameter in the first longitudinal section can also be reduced by means of a separating process. Due to the filigree nature of the outer diameter machining in the insulation element, the cutting process is preferably carried out by means of a precisely positionable laser, photon, electron, ion or water beam. In this case, either the pre-assembled electrical cable with its insulation element is moved relative to the radiation source or the radiation source is moved relative to the insulation element of the pre-assembled electrical cable.
  • the cross-sectional area in the first longitudinal section of the insulation element is to be designed in such a way that the insulation material of the insulation element in the first longitudinal section completely fills the intermediate area between the inner conductor of the pre-assembled electrical cable and the outer conductor contact element in its first connector section.
  • the outer wall in the first longitudinal section of the insulation element thus lies fully against the inner wall in the first connector section of the outer conductor contact element.
  • the intermediate area between the inner conductor of the pre-assembled electrical cable and the outer conductor contact element of the plug connector in the first longitudinal section of the insulation element is preferably free of air inclusion.
  • At least one recess is preferably formed on the surface of the insulation element by means of a suitably designed embossing device, which recess preferably extends in the form of a groove or notch along the entire first longitudinal section.
  • a suitably designed embossing device which recess preferably extends in the form of a groove or notch along the entire first longitudinal section.
  • several recesses are provided, which are preferably designed as groove-shaped or notch-shaped recesses evenly distributed over the circumference of the first longitudinal section. This groove or notch-shaped Recesses in the first longitudinal section are preferably closed when they are inserted into the outer conductor contact element.
  • the recesses on the surface of the first longitudinal section which preferably run in the shape of a groove or notch, can alternatively also be produced using suitable cutting processes.
  • the individual groove-shaped or notch-shaped recesses preferably run linearly and parallel on the surface of the first longitudinal section in the insulation element.
  • suitable courses of the individual groove-shaped or notch-shaped recesses for example zigzag-shaped courses, are also conceivable.
  • individual recess sections offset from one another for example individual (elongated hole) bores, are also conceivable along the first longitudinal section of the insulation element.
  • first longitudinal section of the insulation element can be enclosed with a suitably dimensioned stamping die and an associated stamping die.
  • a sharp-edged web formed on the stamping die and on the stamping die can be cut into a preferably full circumferential groove in the insulation element.
  • the outer diameter of the insulation element can, however, also be designed to be smaller than the inner diameter in the first connector section of the outer conductor contact element.
  • the outer diameter in the first longitudinal section is enlarged compared to the outer diameter in the second longitudinal section of the insulation element by means of a compression process in such a way that the first longitudinal section of the insulation element can be inserted and positioned in a calibrated manner in the first connector section of the outer conductor contact element.
  • the first longitudinal section of the insulation element is compressed in the axial direction by a suitably designed stamping die which executes an axial compression movement on the end face of the first longitudinal section in the direction of the second longitudinal section.
  • the embossing device has a further embossing die which can be moved radially with respect to an embossing die, which is typically positioned in a stationary manner.
  • the movement of the axially movable embossing punch only takes place when the radially movable embossing punch forms a common closed and fully cylindrical recess with the embossing die, in which the first longitudinal section of the insulation element is concentrically positioned.
  • the diameter of the common closed and fully cylindrical recess of the radially movable stamping die and the stamping die is to be dimensioned so that the first longitudinal section of the insulation element abuts the inner wall of the closed recess after the upsetting process and thus acquires its enlarged outer diameter.
  • a sharp-edged web formed on the radially movable stamping die and on the embossing die can be cut into a preferably full circumferential groove in the insulation element in the transition between the first and the second longitudinal section.
  • the length of the first longitudinal section in the insulation element, the cross-sectional area of which is changed compared to the cross-sectional area in the second longitudinal section of the insulation element preferably corresponds to at least the length of the first connector section of the outer conductor contact element or preferably corresponds to the length of the first connector section of the outer conductor contact element.
  • Such a length of the first longitudinal section in the insulation element is realized by suitable dimensioning of the deformation tool, for example the stamping die and the embossing die, by a precisely performed deformation process and optionally by an additional cutting process that causes the first longitudinal section to be elongated exactly.
  • a bevel is provided on that end of the first longitudinal section which points in the direction of the plug-side end of the electrical cable.
  • the cross-sectional area in the first longitudinal section of the insulation element is preferably reduced by a factor greater than 0.5, particularly preferably by a factor greater than 0.7 and very particularly preferably by a factor greater than 0.8 compared to the cross-sectional area in the second longitudinal section of the insulation element.
  • the cross-sectional area in the first longitudinal section of the insulation element is preferably increased by a factor of less than 2, particularly preferably by a factor of less than 1.5 and very particularly preferably by a factor of less than 1.2 compared to the cross-sectional area in the second longitudinal section of the insulation element.
  • the invention further comprises a connector arrangement which has an electrical cable and a connector connected to at least one cable end.
  • the electrical cable has an outer conductor screen and an insulation element.
  • the insulation element in turn has a first longitudinal section in which the insulation element is exposed from the outer conductor shield, and a second longitudinal section adjoining the first longitudinal section in which the insulation element is enclosed by the outer conductor shield.
  • the cross-sectional area of the insulation element in the first longitudinal section compared to the cross-sectional area of the insulation element in the second longitudinal section is changed in such a way that the first longitudinal section of the insulation element is inserted in a calibrated manner into a first connector section of an outer conductor contact element of the connector and in the first longitudinal section the insulation element is calibrated to the outer conductor contact element.
  • the cross-sectional area in the first and in the second longitudinal section of the insulation element is oriented in such a way that the associated surface normal vector runs parallel to the longitudinal axis of the connector arrangement.
  • the connector is not restricted to a specific connector type, the invention being particularly suitable for connectors and plug connections for high-frequency technology.
  • the connector is particularly preferably designed as an H-MTD connector.
  • the connector according to the invention can be used particularly advantageously within a vehicle, in particular a motor vehicle.
  • a vehicle in particular a motor vehicle.
  • Possible areas of application are autonomous driving, driver assistance systems, navigation systems, "infotainment” systems, rear entertainment systems, Internet connections and wireless gigabit (IEEE 802.11 ad standard).
  • Possible applications relate to high-resolution cameras, for example 4K and 8K cameras, sensors, onboard computers, high-resolution screens, high-resolution dashboards, 3D navigation devices and mobile phones.
  • vehicle describes any means of transport, in particular vehicles on land, on water or in the air, including spacecraft.
  • the plug connector according to the invention has a second plug connector section which connects to the first plug connector section.
  • this second connector section there is at least one dielectric material within the outer conductor contact element.
  • electrical insulation is brought about on the one hand between the outer conductor contact element and the inner conductor contact element.
  • a suitable material selection and a suitable shape of the at least one dielectric material can be used to implement a signal section with a capacitive or inductive transmission behavior, which creates an inductive or capacitive impurity due to the sudden change in the cross-sectional area in the transition between the first and second longitudinal section compensated for the insulation element contained in the electrical cable.
  • an insulation element is preferably used in the second plug connector section within the outer conductor contact element of the plug connector, which has at least one recess extending over the second plug connector section.
  • the at least one recess which is filled with air, in combination with the dielectric material of the insulation element in the second connector section causes a signal section with an effective permittivity that is lower than in the case of an insulation element without a recess. In this way, a signal section with a more inductive transmission characteristic than in the case without the presence of a recess is realized.
  • an insulation element is used in the second connector section within the outer conductor contact element of the connector, which is made of a dielectric material with a higher permittivity than in the case without compensation for an inductive interference point.
  • the invention also covers a method for assembling an electrical cable.
  • an insulation element of the electrical cable is exposed in a first longitudinal section of an outer conductor shield of the electrical cable, unless the insulation element has previously been appropriately exposed in another way.
  • the cross-sectional area of the insulation element in the first longitudinal section is then changed in relation to the cross-sectional area of the insulation element in a second longitudinal section adjoining the first longitudinal section.
  • the electrical cable can be inserted into an outer conductor contact element of a connector and connected, preferably crimped, to the outer conductor contact element (this can be done within the scope of the method according to the invention or independently of the method according to the invention).
  • the cross-sectional area of the first longitudinal section is changed in relation to the cross-sectional area of the second longitudinal section in such a way that the first longitudinal section of the insulation element can be inserted in a calibrated manner into a first connector section of the outer conductor contact element of the connector and in the first longitudinal section the insulation element is calibrated to the outer conductor contact element.
  • the designs of cross-sectional area changes and the associated processing processes already discussed above for the pre-assembled electrical cable according to the invention can be used equivalently.
  • the pre-assembled electrical cable is inserted and positioned in the outer conductor contact element of the connector in such a way that the first longitudinal section of the insulation element preferably extends without axial offset within the first connector section of the outer conductor contact element.
  • the positioning of the pre-assembled electrical cable within the outer conductor contact element of the plug connector can be determined via a sensor device, preferably a measuring probe.
  • the probe makes contact with the end face of an inner conductor contact element crimped onto the inner conductor of the electrical cable.
  • the method according to the invention for assembling the electrical cable can, in addition to the method steps mentioned, also contain additional method steps that are carried out before or after the method steps mentioned.
  • an assembly process usually also includes exposing the outer conductor shield from the cable jacket or exposing the inner conductor from the insulation element and then crimping an inner conductor contact element onto the exposed inner conductor.
  • the cross-sectional area in the first longitudinal section is changed by cutting into the insulation element in the radial direction by means of a cutting tool, after which the cutting tool in its radial cutting position located in the insulation element is axially in the direction of the insulation element is moved onto the cable end (also referred to above as "front cable end") in order to detach an insulation layer to be removed from the insulation element.
  • the insulation layer which is generally shaped as a hollow cylinder, can quasi be scraped off and / or torn off from the remaining insulation element or from the insulation layer of the insulation element that remains on the inner conductor.
  • the relative axial movement of the cutting tool can be caused by a movement of the cutting tool itself and / or by a movement of the cable.
  • the cable and / or the cutting tool during the incision and / or after the incision (for example during the axial movement between the Cutting tool and the insulation element). This can further improve the cutting process.
  • the cutting tool cuts into the insulation element at least partially in the shape of a ring, but preferably completely in a ring shape, although one or more webs can optionally remain between different partially ring-shaped cuts.
  • Two cutting tools are preferably provided, in particular two cutting tools which can be advanced towards one another and which are preferably arranged exactly opposite one another. If necessary, however, more than two cutting tools can also be provided. In principle, only a single cutting tool can be provided, in particular if the cutting tool and / or the cable are rotated during the incision and / or if the cutting tool is designed as a shaped knife with a shape that is at least partially adapted to the course of the insulation element.
  • the cutting tool has exactly one shaped knife adapted to the intended cross-sectional area of the first longitudinal section.
  • exactly two or more shaped blades are provided which are matched to the intended cross-sectional area of the first longitudinal section and which are brought towards one another in order to make the radial incision.
  • the use of form knives arranged exactly opposite one another has proven to be suitable.
  • the insulation element can become softer, which can facilitate its workability, in particular the workability by means of the cutting tool described above.
  • the tools for example the embossing device, parts of the embossing device, the separating tool or the cutting device
  • the heat can also be supplied in other ways, for example by means of a hot air stream.
  • the insulation element is preferably only heated to below its melting temperature in order not to melt the insulation element, but only to soften it.
  • heating to just below the melting temperature can be provided.
  • the cutting tool is heated, preferably to an operating temperature between 50 ° C. and 250 ° C., particularly preferably to an operating temperature between 170 ° C. and 200 ° C.
  • a heated cutting tool with two shaped blades has proven to be particularly suitable for detaching the insulation layer in the first longitudinal section while the cutting tool is moved axially relative to the insulation element.
  • the cutting tool or the form knife are then able to push the excess material or the insulation layer to be cut off in front of them.
  • the invention also includes a device for assembling an electrical cable.
  • the inventive device for assembling an electrical cable has a processing device for changing a cross-sectional area in a first longitudinal section of an insulation element of the electrical cable exposed by an outer conductor shield and a joining device for inserting the electrical cable into an outer conductor contact element of a connector.
  • the processing device is set up according to the invention in such a way that it changes a cross-sectional area in the first longitudinal section of the insulation element in such a way that the first longitudinal section can be inserted in a form-fitting manner in a first connector section of the outer conductor contact element in a calibrated manner.
  • the processing device is typically a controlled tool that achieves a predetermined and adjustable change in the cross-sectional area in the first longitudinal section of the insulation element.
  • the controlled tool is an stamping device.
  • This embossing device has a positionable embossing stamp and an associated, stationary, positioned embossing die. After setting a preset position setpoint, the actuation of the positionable embossing stamp can be carried out according to common physical operating principles, i. H. electrical, hydraulic, pneumatic, etc., take place.
  • the processing device or the controlled tool can be a laser, photon, electron, ion or water source which is set up to meter the intensity of the respective beam and in the first longitudinal section to position the insulation element.
  • a cutting device with a cutting tool can also be used in a cutting process.
  • the processing device can also be a cutting tool in order to cut into the insulation element in the radial direction.
  • That Cutting tool and / or a cable transport device can be set up to move the cutting tool axially in the direction of the cable end in its state cut into the insulation element. In this way, an excess insulation layer can be detached from the cable, in particular scraped off.
  • the cutting tool preferably has two form knives that can be advanced towards one another, as described above. The cutting tool can be heated.
  • the joining device is preferably a positionable gripping arm which appropriately grips the electrical cable and inserts and positions it in the outer conductor contact element of the plug connector.
  • the joining device will preferably use sensor information from the above-mentioned sensor device which characterizes the current position of the electrical cable in the joining process.
  • the invention also relates to a computer program product with program code means in order to carry out a method for assembling an electrical cable (in particular in accordance with the preceding and following statements) when the program is run on a control device of a device for assembling an electrical cable (in particular in accordance with the preceding and following statements) is performed.
  • the invention also relates to an independent method for assembling an electrical cable, according to which an outer insulation layer is detached from an electrical insulator of the electrical cable by cutting into the insulation element to a defined depth in the radial direction using a cutting tool, the cutting tool then in its radial intersection position located in the insulation element is moved axially in the direction of the cable end relative to the insulation element in order to detach the insulation layer from the insulation element.
  • 1A-1G are isometric representations of a first embodiment of an electrical cable to be assembled in the individual assembly steps, 2A-2E cross-sectional representations of a first embodiment of an electrical cable to be assembled after individual assembly steps,
  • 3A, 3B are isometric representations of a second embodiment of an electrical cable to be assembled in the individual assembly steps
  • 5A-5E are isometric representations of a third embodiment of an electrical cable to be assembled in the individual assembly steps
  • FIG. 7A is a side view of a connector arrangement
  • 8A-8C are isometric representations of a fourth embodiment of an electrical cable to be assembled after individual assembly steps.
  • FIG. 1A shows an electrical cable 1, in particular a high-frequency cable, at the plug-side end 2 of which a number of assembly steps have already been carried out.
  • This electrical cable 1, which is a high-frequency cable preferably comprises an inner conductor 3 which is enclosed by an insulation element 4.
  • the electrical cable 1 can also have a pair of inner conductors for transmitting a differential signal.
  • the two inner conductors of the inner conductor pair are spaced apart from one another by the insulating element 4 and electrically isolated from one another.
  • the electrical cable 1 can also have several pairs of inner conductors, which are arranged parallel to one another or crossed over one another and are spaced apart from one another and electrically insulated by the insulating element 4.
  • the insulation element 4 can optionally be enclosed by an electrically insulating cable film not shown in the figures.
  • the insulation element 4 or the cable foil is finally enclosed by an outer conductor screen 5, which is typically made up of a mesh of individual electrically conductive wires.
  • the outer conductor shield 5 is enclosed by an electrically insulating cable sheath 6.
  • the outer conductor shield 5 is preferably exposed in a first assembly step in the region of the plug-side end 2 of the electrical cable 1 from the cable sheath 6.
  • This support sleeve 7 is preferably fastened to the outer conductor shield 5 by means of crimping.
  • the outer conductor shield 5 is folded back around the support sleeve 7.
  • the cross-sectional area of the insulation element 4 in a first longitudinal section Li is compared with the cross-sectional area in a second longitudinal section L2 (see. reduced.
  • the cross-sectional area is understood to mean that cross-sectional area of the insulation element 4, the surface normal vector of which is oriented parallel to the longitudinal axis 9 of the electrical cable 1. It thus represents that cross-sectional area of the insulation element 4 which is oriented transversely to the longitudinal axis 9 of the high-frequency cable 1.
  • the first longitudinal section Li preferably extends over the entire longitudinal extent of the electrical cable 1, in which the insulation element 4 is exposed from the outer conductor screen 5. Consequently extends the second longitudinal section L 2 of the insulation element 4 extends over the entire longitudinal extent of the electrical cable 1, in which the insulation element 4 is enclosed by the outer conductor shield 5. This is the remaining length of the electrical cable 1.
  • the first longitudinal section Li with a reduced cross-sectional area of the insulation element 4 can also only extend in a partial area of the longitudinal extent of the insulation element 4 exposed by the outer conductor shield 5.
  • the reduction in the cross-sectional area in the first longitudinal section Li of the insulation element 4 is preferably designed to be constant along the entire first longitudinal section Li.
  • the reduction in the cross-sectional area in the first longitudinal section Li of the insulation element 4 is achieved by squeezing the outer diameter of the insulation element 4.
  • the processing device 21, which carries out the squeezing of the outer diameter in the first longitudinal section Li of the insulation element 4, is preferably an embossing device 8.
  • the embossing device 8 typically has an embossing die 8 1 that can be moved radially with respect to the insulation element 4 and an embossing die 8 2 positioned radially with respect to the insulation element 4.
  • the die 8 1 and the die 8 2 each have a cross-sectional profile with a semi-cylindrical recess.
  • the diameter of the semi-cylindrical recess of the stamping die 8 1 and of the stamping die 8 2 corresponds to the reduced outer diameter to be achieved by the stamping process in the first longitudinal section Li of the insulation element 4. If the stamping die 8 1 and the stamping die 8 2 are brought together in the stamping process according to FIG.
  • a sharp-edged web 10 is formed, which acts like a knife and in the transition between the first longitudinal section Li and the second longitudinal section L 2, a preferably fully circumferential groove 11 into the Insulation element 4 cuts (see in particular FIG. 2A).
  • This groove 11 which preferably runs over the entire circumference, prevents undesired displacement of the insulation material from the first longitudinal section Li into the second longitudinal section L 2 during the stamping process.
  • the plug-side end region 12 of the insulation element 4 is removed with a cutting device 13.
  • the inner conductor 3 is exposed from the insulation element 4 at the plug-side end of the high-frequency cable 1.
  • the inner conductor 3 is in particular also exposed from the insulation material that was axially displaced from the first longitudinal section Li by the embossing process.
  • a hot stamping process can also be used.
  • the stamping die 81 and the stamping die 82 are raised to a suitable temperature.
  • the increased temperature of the stamping die 81 and the stamping die 82 leads to a melting of the insulation material in the adjacent, preferably sleeve-shaped area within the first longitudinal section Li of the insulation element 4 during the embossing process Li sucked out.
  • the thus pre-assembled electrical cable is inserted into an outer conductor contact element 14 of a plug connector 15 in a joining process with a joining device 20 according to FIG. 2B.
  • the arrangement made up of the electrical cable 1 and the plug connector 15 is referred to here as a plug connector arrangement 100.
  • the joining device 20 is typically an axially positionable gripping arm which grips the electrical cable 1 in the second longitudinal section Li of the insulation element 4 on the cable sheath 6 and positions it axially.
  • the first longitudinal section Li of the insulation element 4 is positioned in a first plug connector section S1 of the outer conductor contact element 14 of a plug connector 15 such that the first longitudinal section Li is preferably located exactly inside the first plug connector section S1 in the axial direction.
  • the longitudinal extension of the first longitudinal section Li preferably corresponds to the longitudinal extension of the first connector section S1.
  • the first longitudinal section Li of the insulation element 4 is inserted in the first connector section S1 of the outer conductor contact element 14 and calibrated to the outer conductor contact element (14).
  • the outer diameter of the insulation element 4 in the first longitudinal section Li preferably corresponds to the inner diameter of the first connector section S1 of the outer conductor contact element 14.
  • the original outer diameter of the insulation element 4, which is still retained in the second longitudinal section L2 of the insulation element 4, is thus used in the assembly process according to the invention adapted within the first longitudinal section Li to the inner diameter of the first connector section Si of the outer conductor contact element 14.
  • This adaptation of the outer diameter of the insulation element 4 to the inner diameter of the outer conductor contact element 14 is also referred to as calibration.
  • the outer diameter profile of the insulation element 4 belonging to the electrical cable 1 is adapted to the inner diameter profile of the outer conductor contact element 14 in the plug connector 15.
  • FIG. 2B shows an inner conductor contact element 16 of the plug connector 15, which is preferably connected to the inner conductor 3 of the high-frequency cable by means of crimping.
  • a suitably designed insulating element 17 is inserted between the inner conductor contact element 16 and the outer conductor contact element 14 within the plug connector 15.
  • FIG. 2C shows the cross-sectional profile of the essential components of the electrical cable 1 before the inventive change in the cross-sectional area in the first longitudinal section Li of the insulation element 4.
  • the insulation element 4 has an essentially constant outer diameter Di over the entire length of the electrical cable 1. As can be seen from FIG. 2E, this outer diameter Di of the insulation element 4 is larger than the inner diameter D2 in the first plug connector section S1 of the outer conductor contact element 14. It is therefore not possible to insert the pre-assembled electrical cable 1 according to FIG. 2C into the outer conductor contact element 14 of the plug connector 15.
  • a reduction of the cross-sectional area in the first longitudinal section Li of the insulation element 4 in the sense of a reduction of the outer diameter in the first longitudinal section Li of the insulation element 4 from the larger outer diameter Di to the smaller outer diameter D2 according to FIG. 2D enables a calibrated insertion of the first longitudinal section Li according to FIG. 2E Insulation element 4 in the first plug connector section S1 of the outer conductor contact element 14.
  • the original outer diameter of the insulation element 4 is also enlarged compared to the inner diameter of the outer conductor contact element 14.
  • the pre-assembled electrical cable 1, in particular the first longitudinal section Li of the insulation element 4 into the first plug connector section S1 of the external conductor contact element 14.
  • the cross-sectional area of the insulation element 4 within the first Longitudinal section Li reduced compared to the cross-sectional area within the second longitudinal section L2.
  • a plurality of recesses 18 distributed on the circumference of the first longitudinal section Li and extending in the longitudinal direction are formed.
  • These recesses 18 are each preferably designed as notches, in particular as V-shaped notches according to FIG. 4A.
  • U-shaped notches or notches with a different cross-sectional profile can also be used.
  • the stamping die 81 and the stamping die 82 each have a semi-cylindrical recess, the diameter of which corresponds to the original outer diameter in the first longitudinal section Li of the insulation element 4.
  • webs 19 each running in the longitudinal direction are formed on the inner circumference of the semicylindrical recesses of the stamping die 81 and the stamping die 82. These webs 19 each have a cross-sectional profile which corresponds to the cross-sectional profile of the notch-shaped recesses 18.
  • a sharp-edged web 10 is also formed, which in the stamping process cuts a preferably fully circumferential groove 11 in the transition between the first longitudinal section Li and the second longitudinal section L2.
  • the sharp-edged web 10 prevents disadvantageous displacement of the insulation material from the notch-shaped recesses 18 that are formed in the first longitudinal section Li in the direction of the second longitudinal section L2 of the insulation element 4 during the embossing process.
  • the insulation material that is displaced from the notch-shaped recesses 18 in the first longitudinal section Li of the insulation element 4 in the stamping process is displaced in the axial direction towards the plug-side end of the pre-assembled electrical cable 1.
  • This insulation material displaced in the axial direction is removed, equivalent to the first embodiment of a pre-assembled electrical cable 1, in a cutting process by means of a cutting device 13 according to FIGS. 1E and 1F.
  • the electrical cable 1 is inserted into the plug connector 15.
  • the notch-shaped recesses 18 in the first longitudinal section Li of the insulation element 4 are squeezed together when they are inserted into the first connector section S1 of the outer conductor contact element 14, so that in the inserted state the original outer diameter of the first longitudinal section Li of the insulation element 4 is adapted to the smaller inner diameter D2 of the outer conductor contact element 14. This reduction in the outer diameter in the first longitudinal section Li of the insulation element 4 is brought about by closing the notch-shaped recesses 18.
  • FIGS. 4A and 4B each show schematically, ie not true to scale, the cross-sectional profile of the essential components of the second embodiment of the pre-assembled electrical cable 1 according to the invention in the individual assembly steps: 4A shows a cross-sectional profile of the second embodiment of a pre-assembled electrical cable 1 in which a plurality of notch-shaped recesses 18 distributed around the circumference of the first longitudinal section Li are formed after the stamping process.
  • the outside diameter Di in the first longitudinal section Li of the insulation element 4 corresponds to the outside diameter Di before the embossing process after the embossing process and is unchanged from the outside diameter in the second longitudinal section L 2 of the insulation element 4.
  • the cross-sectional profile of the electrical cable 1 inserted into the outer conductor contact element 14 can be seen from FIG. 4B.
  • the outside diameter Di in the first longitudinal section Li of the insulation element 4 corresponds to the reduced inside diameter Di of the external conductor contact element 14.
  • the individual notch-shaped recesses 18 are closed. This is shown schematically in FIG. 4B by the lines provided at the respective points of the insulation element 4.
  • the outer diameter of the insulation element 4 is smaller than the inner diameter of the outer conductor contact element 14 in the first plug connector section Si. In this case, it is possible to insert the pre-assembled electrical cable 1 into the outer conductor contact element 14 of the plug connector 15. However, there is an air layer between the first longitudinal section Li of the insulation element 4 and the first connector section Si of the outer conductor contact element 14. The radial expansion of the electrical cable 1 is not adapted or calibrated to the radial internal expansion of the plug connector 15.
  • the cross-sectional area of the insulation element 4 within the first longitudinal section Li is increased compared to the cross-sectional area within the second longitudinal section L 2 .
  • the cross-sectional area of the first longitudinal section Li of the insulation element 4 in the pre-assembled electrical cable 1 is deformed with an embossing device 8 in an embossing process.
  • the embossing device 8 comprises, according to in this case, Fig. 5A a die 8 1 and an embossing die 8 2, each of radially arranged first longitudinal portion Li of the insulating member 4 and are movable, and an axially for the first longitudinal portion Li of the insulating member 4 movable die 83rd
  • the radially movable embossing die 8 1 and the embossing die 8 2 each have a semi-cylindrical recess, which are each arranged opposite one another and in the embossing process according to FIG.
  • the inner diameter of the two semi-cylindrical recesses or the common fully cylindrical recess is greater than the original outer diameter of the first longitudinal section Li of the insulation element 4 before the stamping process.
  • the inner diameter of the semi-cylindrical recesses of the radially movable embossing die 8 1 and the embossing die 8 2 corresponds to the outer diameter of the first longitudinal section Li of the insulation element 4 after the embossing process according to FIGS. 5D and 5E.
  • a sharp-edged web 10 is also formed, which in the embossing process cuts a preferably fully circumferential groove 11 in the transition between the first longitudinal section Li and the second longitudinal section L 2.
  • the sharp-edged web 10 prevents a disadvantageous displacement of the insulation material from the first longitudinal section Li in the direction of the second longitudinal section L 2 of the insulation element 4 during the embossing process.
  • the radially movable stamping die 8 1 and the stamping die 8 2 are moved towards one another according to FIG. 5B and each form a common, fully cylindrical recess with their two semi-cylindrical recesses.
  • the first longitudinal section Li of the insulation element 4 is concentrically inserted and positioned in this fully cylindrical recess of the embossing device 8.
  • the concentric positioning of the first longitudinal section Li of the insulation element 4 within the common, fully cylindrical recess of the radially movable embossing die 8 1 and the embossing die 8 2 is an essential prerequisite for concentricity between the inner conductor 3 and the finished, embossed first longitudinal section Li of the insulation element 4.
  • the axially movable stamping die 83 is pressed against the front end of the first longitudinal section Li of the insulation element 4.
  • the first longitudinal section Li of the insulation element 4 is upset and the outer diameter of the first longitudinal section Li is thus increased.
  • the outside diameter of the first longitudinal section Li is increased in the second step of the stamping process up to the size of the inside diameter of the common fully cylindrical recess of the radially movable stamping die 8 1 and the stamping die 8 2 .
  • the first longitudinal section Li of the insulation element 4 and the inner conductor 3 enclosed therein thus fills the entire interior space of the fully cylindrical recess of the embossing device 8, as can be seen from FIG. 5D.
  • the outside diameter in the first longitudinal section Li of the insulation element 4 is enlarged at the end of the stamping process compared to the outside diameter in the second longitudinal section L 2 of the insulation element 4.
  • the outer diameter in the first longitudinal section Li of the insulation element 4 at the end of the stamping process corresponds to the inner diameter in the first connector section S 1 of the outer conductor contact element 14.
  • FIGS. 6A and 6B each show schematically, ie not true to scale, the cross-sectional profile of the essential components of the third embodiment of the pre-assembled electrical cable 1 according to the invention in the individual assembly steps: 6A shows the cross-sectional profile of a pre-assembled electrical cable 1 before the stamping process.
  • the original outer diameter Di of the first longitudinal section Li of the insulation element 4 corresponds to the outer diameter Di of the second longitudinal section L2 of the insulation element 4 and is smaller than the inner diameter D2 of the first connector section S1 of the outer conductor contact element 14.
  • the diameter of the first longitudinal section is determined by the embossing process according to FIG. 6B Li of the insulation element 4 is compressed from the smaller diameter Di to the larger diameter D2 and thus enables a calibrated insertion of the first longitudinal section Li of the insulation element 4 into the first connector section S1 of the external conductor contact element 14.
  • FIGS. 7A and 7B a connector arrangement 100 is shown in a side view and in a cross-sectional illustration:
  • the cross-sectional view is located in the second plug connector section S2 of the plug connector 15 (cf. FIG. 2B), which is preferably connected to the first plug connector section S1.
  • an insulation element 4 is inserted within the outer conductor contact element 14, which does not completely fill the area between the outer conductor contact element 14 and the inner conductor contact element 16.
  • the insulation element 4 has in each case at least one recess 22 over the entire extent of the second connector section S2 (a total of two recesses 22 in the illustration of FIG. 7B).
  • This at least one recess 22 is formed on the jacket-side circumference of the insulation element 4 and thus forms a cavity between the outer conductor contact element 14 and the inner conductor contact element 16, which is filled with air.
  • the permittivity of air is known to be one, while the permittivity of the dielectric material of the insulation element 4 is typically greater than one. This results in an effective permittivity in the second connector section S2 in combination of the two dielectric materials, which is lower than the permittivity of an insulation element 4 which completely fills the space between the outer conductor contact element 14 and the inner conductor contact element 16.
  • the longitudinal section L4 has a more inductive transmission characteristic than a fully cylindrical insulation element 4, which completely fills the intermediate area between the outer conductor contact element 14 and the inner conductor contact element 16.
  • FIG. 8A shows an insulation element 4 that has not yet been machined
  • FIG. 8B shows the machining of the insulation element 4
  • FIG. 8C shows the finished insulation element 4.
  • the processing device 21 can have the illustrated cutting tool 23, which preferably has two shaped knives 24 adapted to the intended cross-sectional area of the first longitudinal section Li.
  • the form knives 24 are arranged opposite one another and can be moved towards one another (cf. arrows in FIG. 8A) in order to cut into the insulation element 4 in the radial direction up to the intended depth.
  • a relative axial movement can then be initiated between the cutting tool 23 and the cable 1 while the cutting tool 23 is still located within the insulation element 4, for example by linear displacement of the cutting tool 23, as indicated in FIG. 8B.
  • the excess insulation layer 25 to be removed can be detached or scraped off from the remaining insulation element 4.
  • the excess insulation layer 25 can initially be pushed in the manner of a bead in front of the form blades 24 until it reaches the end of the cable. This process can advantageously be supported by heating the insulation element 4, in particular if the cutting tool 23 or its form knife 24 are heated. As a result, the insulation layer 25 can be softer and easier to pull off.
  • the insulation layer 25, which is displaced by the cutting tool 23, can, equivalent to the first embodiment, be removed in a cutting process by means of a cutting device, if necessary.
  • FIGS. 8A to 8C can in principle be combined as desired with the exemplary embodiments, variants and developments of the invention already described above.
  • provision can also be made for a groove 11 and / or recesses 18 to be made in the insulation element 4 through the form knives 24 - as an alternative or in addition to the removal of the sleeve-shaped insulation layer 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Insulated Conductors (AREA)

Abstract

La présente invention porte sur un câble électrique préfabriqué (1). La présente invention porte également sur un ensemble connecteur de fiche (100). L'invention concerne enfin un procédé et un appareil de production de câble électrique (1). Un câble électrique préfabriqué (1) comprend un blindage conducteur externe (5) et un élément isolant (4). L'élément isolant (4) présente une première section longitudinale (L1) dans lequel l'élément d'isolation (4) est exposé à partir du blindage conducteur externe (5), et une seconde section longitudinale (L2) qui est adjacente à la première section longitudinale et dans laquelle l'élément d'isolation (4) est enfermé par le blindage conducteur externe (5). Une surface de section transversale de l'élément d'isolation (4) dans la première section longitudinale (L1) est modifiée par rapport à la surface de section transversale de l'élément d'isolation (4) dans la seconde section longitudinale (L2) de telle sorte que la première section longitudinale (L1) de l'élément isolant (4) peut être insérée dans une première section longitudinale (S1) d'un élément de contact conducteur extérieur (14) d'un connecteur de fiche électrique (15), et l'élément d'isolation (4) est étalonné sur l'élément de contact conducteur externe (14) dans la première section longitudinale (L1).
EP21702219.3A 2020-01-29 2021-01-26 Ensemble connecteur enfichable et procédé de fabrication d'un ensemble connecteur enfichable Active EP4097799B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020102059.7A DE102020102059A1 (de) 2020-01-29 2020-01-29 Vorkonfektioniertes elektrisches Kabel, Steckverbinderanordnung sowie Verfahren und Vorrichtung zum Konfektionieren eines elektrischen Kabels
PCT/EP2021/051711 WO2021151869A1 (fr) 2020-01-29 2021-01-26 Câble électrique préfabriqué, ensemble connecteur enfichable, et procédé et appareil de fabrication d'un câble électrique

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EP4097799A1 true EP4097799A1 (fr) 2022-12-07
EP4097799B1 EP4097799B1 (fr) 2024-03-20
EP4097799C0 EP4097799C0 (fr) 2024-03-20

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EP21702219.3A Active EP4097799B1 (fr) 2020-01-29 2021-01-26 Ensemble connecteur enfichable et procédé de fabrication d'un ensemble connecteur enfichable

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US (1) US20230268676A1 (fr)
EP (1) EP4097799B1 (fr)
CN (1) CN115176387A (fr)
DE (1) DE102020102059A1 (fr)
WO (1) WO2021151869A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102021108215B8 (de) 2021-03-31 2022-05-12 Md Elektronik Gmbh Verfahren und Vorrichtung zum Bearbeiten eines Kabels

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3439294A (en) 1965-05-28 1969-04-15 Amphenol Corp Coaxial cable connector
BE795043A (nl) * 1972-02-08 1973-08-06 Philips Nv Trekvaste elektrische verbinding van koaxiaalkabeleinden
US4622741A (en) 1985-05-09 1986-11-18 Northern Telecom Limited Method of deforming a cable
US5437831A (en) 1993-08-04 1995-08-01 The United States Of America As Represented By The United States Department Of Energy Process of modifying a cable end
US6319077B1 (en) * 1993-09-29 2001-11-20 Sumitomo Wiring Systems, Ltd. Cable connector combination, method of making it and apparatus therefor
JP5833436B2 (ja) * 2011-12-28 2015-12-16 矢崎総業株式会社 シールドコネクタ
US9537231B2 (en) * 2014-11-12 2017-01-03 Tyco Electronics Corporation Connector assembly

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US20230268676A1 (en) 2023-08-24
WO2021151869A1 (fr) 2021-08-05
EP4097799B1 (fr) 2024-03-20
CN115176387A (zh) 2022-10-11
DE102020102059A1 (de) 2021-07-29
EP4097799C0 (fr) 2024-03-20

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