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EP3671975B1 - Dispositif de connecteur enfichable de câble, connecteurs enfichable de câble et moyen de pression - Google Patents

Dispositif de connecteur enfichable de câble, connecteurs enfichable de câble et moyen de pression Download PDF

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Publication number
EP3671975B1
EP3671975B1 EP19208344.2A EP19208344A EP3671975B1 EP 3671975 B1 EP3671975 B1 EP 3671975B1 EP 19208344 A EP19208344 A EP 19208344A EP 3671975 B1 EP3671975 B1 EP 3671975B1
Authority
EP
European Patent Office
Prior art keywords
cable
individual lines
cable connector
connector
section
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.)
Active
Application number
EP19208344.2A
Other languages
German (de)
English (en)
Other versions
EP3671975C0 (fr
EP3671975A1 (fr
Inventor
Martin Zebhauser
Albert Eder
Gunnar Armbrecht
Thomas Müller
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 EP3671975A1 publication Critical patent/EP3671975A1/fr
Application granted granted Critical
Publication of EP3671975C0 publication Critical patent/EP3671975C0/fr
Publication of EP3671975B1 publication Critical patent/EP3671975B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • 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
    • H01R13/6477—Impedance matching by variation of dielectric properties
    • 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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/53—Fixed connections for rigid printed circuits or like structures connecting to cables except for flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
    • H01R13/5816—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part for cables passing through an aperture in a housing wall, the separate part being captured between cable and contour of aperture
    • 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
    • H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
    • 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
    • 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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/10—Electrically-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
    • H01R4/18—Electrically-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
    • H01R4/183—Electrically-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 for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-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 for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-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 for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion
    • 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

Definitions

  • the invention relates to a cable connector for connection to an electrical cable with a plurality of individual lines each having insulation and an electrical conductor, according to the preamble of claim 1.
  • the invention also relates to a cable connector arrangement, having a cable connector and an electrical cable with a plurality of individual lines each having insulation and an electrical conductor, according to the preamble of claim 3.
  • a plug connector is used to produce an electrical plug connection with a complementary, further plug connector (hereinafter also referred to as mating connector).
  • a cable connector can be, for example, a plug, a coupler, or an adapter.
  • the term "cable connector" used in the context of the invention is representative of all variants.
  • a plug connector sometimes has to withstand high loads, for example mechanical loads or thermal loads. Even under adverse environmental conditions, the connectors must maintain their electrical properties within specified tolerance ranges in order to ensure permanent, interference-free signal transmission. Ensuring safety is a priority, especially in the (partially) autonomous operation of vehicles and for assistance systems.
  • the problem particularly when using the cable connector in high-frequency technology for transmission of high data rates, is that the removal of the cable sheath makes the signal path in the transition area or in the middle section of the cable connector arrangement more inductive.
  • the corresponding change in impedance can ultimately lead to unwanted reflections of the HF signal in this section, which is why the required transmission standards, especially for connectors in the automotive sector, are usually very difficult to maintain and cannot be met for any type of connector.
  • the JP 2017 091855 A relates to a cable harness made up of several individual lines with a connector for accommodating the individual lines. It is suggested that the individual lines are bundled by a common holding element before they are received in the connector.
  • the DE 43 18 800 A1 relates to a multi-pole cable connector with a distributor for routing the individual lines.
  • the present invention is therefore based on the object of providing a cable connector arrangement which has an improved impedance curve.
  • the invention is also based on the object of providing a cable connector with an improved impedance curve.
  • a cable connector arrangement having a cable connector and an electrical cable with a plurality of individual lines each having insulation and an electrical conductor.
  • the electrical cable can have at least two individual lines. However, the electrical cable can also have more than two individual lines, for example three individual lines, four individual lines, five individual lines, six individual lines, seven individual lines, eight individual lines or even more individual lines.
  • the electrical cable is preferably designed as an unshielded cable. In principle, however, a shielded electrical cable can also be provided.
  • the electrical cable can primarily be designed as a twisted pair cable, ie as a cable with twisted pairs of wires. In principle, however, the electrical cable can be of any desired design, for example also as a so-called parallel pair cable, as a coaxial cable or as some other type of cable.
  • An unshielded cable with twisted wire pairs (so-called “unshielded twisted pair (UTP) cable”) is particularly preferred.
  • the electrical conductor of the individual lines can be a single wire or a stranded wire, ie an electrical conductor consisting of thin individual wires.
  • the type of electrical conductor is not important within the scope of the invention.
  • the electrical conductors For electrical insulation of the electrical conductors of the individual lines from one another, the electrical conductors each have an enveloping insulation or a respective insulation jacket.
  • the cable connector arrangement has a front section, which is set up for connection to a corresponding mating connector, a rear section in which the individual lines are surrounded by a cable jacket, and a middle section lying in between.
  • the sections extend along the cable connector assembly, preferably along a central axis of the cable connector assembly.
  • the central axis can be, for example, a longitudinal axis of the cable connector if the cable connector is designed as a straight cable connector.
  • the central axis can also be the central axis of an angled cable connector ("angle connector"), which runs from a front interface ("interface") of the connector for connection to a corresponding mating connector to a cable outlet of the cable connector.
  • the front section adjoins the middle section and the middle section adjoins the rear section.
  • the directional information "front” refers to the side of the cable connector arrangement or the end of the cable connector of the cable connector arrangement that faces the subsequent mating connector (the “plug-side end”).
  • the term “rear” refers to a side of the cable connector assembly or the end of the cable connector of the cable connector assembly that faces the electrical cable (the “cable end”). In the following Figures 1 and 2 located the left side of the cable connector is “front” and the right side of the cable connector is “rear”.
  • the electrical conductors of two of the individual lines have a first mutual, nominal distance in the rear section and a second mutual distance in the front section, which is greater than the first distance.
  • the distance between the electrical conductors of the two individual lines increases in the middle section towards the front section.
  • the electrical cable thus still has its cable jacket in the rear section of the cable connector arrangement.
  • the cable jacket of the cable is only removed from the middle section of the cable connector arrangement. From the middle section, the individual lines of the electrical cable can thus be accessible for a single continuation.
  • Tolerances according to which the distance between the electrical conductors in the rear section or within the cable sheath deviates from a nominal value provided (e.g. by a manufacturer), are taken into account when defining the first mutual nominal distance, in particular since the The distance between the electrical conductors within the cable sheath does not usually run constant due to the tolerances over the length of the electrical cable. In particular, the minimum possible distance within the electrical cable, including tolerances, must be taken into account. The first distance can thus be the "minimum distance", for example.
  • the "minimum spacing" of the conductors within the cable sheath is to be understood in particular as the minimum spacing that results from an orthogonal distance measurement between the electrical conductors that generally run parallel through the electrical cable.
  • At least one pressing means is provided and configured in the central section in order to press at least the two individual lines together in such a way that their insulation undergoes mechanical deformation in the area of a common contact surface.
  • a particularly high data rate eg 100 Mbit/s or more
  • all individual lines of the electrical cable are preferably pressed together by the at least one pressing means.
  • impedance matching can be achieved, in particular in the middle section of the cable connector assembly, after which the impedance value in the transition area between cable and connector can be optimized.
  • a constant impedance can be ensured over the entire cable connector assembly.
  • the cable connector assembly can exhibit improved EMC performance.
  • Reflections during signal transmission can advantageously be avoided, despite the distance or pitch adjustment of the electrical conductors of the electrical cable that is usually necessary at the transition to the cable connector or in the front area.
  • the signal path, at least along the squeezing area or along the area in which the at least one pressing means presses the individual lines together is capacitive again and ideally adapted, for example to an impedance of 100 ohms.
  • the transition area or the middle section of the cable connector arrangement can be shortened from the point of view of the impedance curve.
  • the at least one pressing means is designed to press the two individual lines together in such a way that their insulation has an oval cross section.
  • the cross-section of the individual lines is circular without the influence of external forces (insulation and electrical conductors).
  • the pressing according to the invention allows the cross section of the individual lines to be deformed, starting from the (ideally) circular shape.
  • the cross section of the individual lines can also be elliptical due to the pressing.
  • a cross-section of the individual lines can result in which the ratio of width to length is 0.99 or less, for example 0.95 and less, 0.90 and less, 0.85 and less, 0.80 and less, 0.75 and smaller or even smaller.
  • the at least two individual lines can be squeezed together without mechanically damaging the insulation and/or the electrical conductors running therein.
  • the at least one pressing means is designed to press the two individual lines together in such a way that there is a third mutual distance between their electrical conductors, which is less than when the individual lines lie against one another without any force the case would be.
  • the individual lines in the area of the middle section that is influenced by the pressing means are not only guided in abutment or in close contact with one another.
  • a minimum distance between electrical conductors that merely run in contact can be further reduced by the pressing according to the invention.
  • the distance between the center points of the electrical conductors of the individual lines pressed together can preferably be smaller than when the individual lines have a minimum tolerance position (according to the manufacturer's specification).
  • the at least one pressing means is designed to press the two individual lines together in such a way that a third mutual distance results between their electrical conductors, which is smaller than the first distance.
  • the at least one pressing means is designed to press the two individual lines together in such a way that the impedance in the middle section or at least in an area of the middle section encompassed by the at least one pressing means is 85 ohms to 115 ohms, preferably 90 ohms to 110 ohms, more preferably 95 ohms to 105 ohms and most preferably 100 ohms or at least about 100 ohms and/or is matched to the impedance in the front section and in the rear section.
  • the impedance in the middle section can be adjusted by the pressing means in particular such that an impedance jump between the front section and the rear section is avoided or at least reduced.
  • the impedance in the middle section can be adjusted to match the impedance in the rear section, in the front section and/or in the electrical cable, or at least by no more than 0.1%, 0.2%, 0 .5%, 1.0%, 1.5%, 5.0%, 10.0%, 25.0% or 50.0%.
  • Automotive electrical wire and connector transmission standards typically require an impedance of 100 ohms +/- 5%. While these requirements can be met for the individual electrical cable and for the cable connector, there can be a deviation from this requirement due to the cable jacket removal in the transition area or in the middle section. Due to the impedance matching by means of the at least one pressing means, the impedance requirements can preferably also be met in the middle section.
  • the material of the at least one pressing means has a permittivity that corresponds or at least approximately corresponds to the permittivity of the cable sheath, in particular deviates from the permittivity of the cable sheath by less than 10%, preferably by less than 5 % deviates from the permittivity of the cable sheath, more preferably deviates by less than 1% from the permittivity of the cable sheath and most preferably deviates from the permittivity of the cable sheath by less than 0.5%.
  • the at least one pressing means is preferably designed as a plastic part.
  • the at least one pressing means can also be made of a different material, for example metal.
  • the at least one pressing means is preferably made of the same dielectric material as that of which the cable jacket is made, or at least of a similar material.
  • the impedance change in the middle section which can be caused by the removal of the cable jacket, can be at least partially, preferably completely, compensated.
  • the cable connector has a connector housing, along which at least the front section extends.
  • the connector housing can be set up in particular for connection to a corresponding mating connector.
  • the middle section extends along the connector housing and that the pressing means is arranged in the connector housing.
  • the connector housing can have a middle section following along a central axis of the connector housing on its front section or rear portion forming the central portion of the cable connector assembly.
  • the at least one pressing means is designed in one piece with the connector housing, preferably as a rib projecting into the interior of the connector housing.
  • a V-shaped, U-shaped and/or partially ring-shaped rib can be provided, which can at least partially accommodate the at least two individual lines and press them together.
  • a single rib may be provided.
  • several ribs or pressing means can also be provided, for example two, three, four or even more ribs, which are distributed over the middle section along the central axis, preferably along the longitudinal axis of the connector housing.
  • the at least one pressing means can also be in the form of pins, plates, etc. protruding into the interior of the connector housing.
  • the at least one pressing means is designed independently of the connector housing, preferably as a clamp.
  • V-shaped, U-shaped and/or part-ring-shaped clamp can be provided.
  • a clamping solution in the form of a cable tie can also be provided.
  • one-piece pressing means and pressing means configured independently of the connector housing can also be provided.
  • one or more pressing means can be designed in one piece with the connector housing, for example as a rib or ribs, and one or more further pressing means can be designed as clamps or other pressing means designed independently of the connector housing.
  • a clamp can be provided, for example.
  • a plurality of terminals can also be provided, for example two, three, four or even more terminals, which are distributed over the middle section of the cable connector assembly.
  • any number of pressing means can be provided in any configuration and distribution in order to press the at least two individual lines together.
  • the person skilled in the art can select the number of pressing means depending on the axial extent of the central section, in particular with the aim of guiding the at least two individual lines through the central section as completely and sufficiently pressed against one another.
  • Two pressing means are preferably provided, which are integrally formed with the connector housing and are offset axially along the central axis of the connector housing as ribs projecting into the interior of the connector housing.
  • the at least one pressing means is designed to guide the two individual lines as centrally as possible along the central axis of the connector housing through the middle section.
  • the at least two individual lines can in particular be routed as far as possible from the inner surfaces of the connector housing, that is to say—as far as technically possible—run in the middle of the connector housing.
  • the individual lines are routed as centered as possible within the connector housing (as close as possible to the center of the connector or to the central axis of the cable connector), the distance between the electrical conductors of the electrical cable and adjacent objects, e.g. B. adjacent conductive body parts, thereby reducing the risk of short circuits in the event of mechanical damage to the cable connector.
  • the rear section extends along the connector housing.
  • the connector housing can be designed in particular to accommodate the electrical cable.
  • the connector housing has a rear section into which the electrical cable is inserted, a front section that is set up for connection to a corresponding mating connector, and a section between the rear section and the front Section along the central axis of the connector housing extending, having central portion.
  • the front section of the connector housing preferably forms the front section of the cable connector assembly
  • the middle section of the connector housing forms the middle section of the cable connector assembly
  • the rear section of the connector housing forms the rear section of the cable connector assembly.
  • the connector housing and/or the at least one pressing means is designed to avoid or at least minimize air pockets in the middle section.
  • the impedance curve in particular in the middle section, can be improved, for example homogenized.
  • the individual lines are overmoulded with an elastic filling material, at least in the middle section.
  • the individual lines within the connector housing are overmoulded with the elastic filling material.
  • the individual lines can, for example, also be forced into a defined constrained position by overmoulding.
  • the filling material from which the cable jacket of the electrical cable is also made.
  • the permittivity of the filling material corresponds at least approximately to the permittivity of the cable sheath.
  • a filling material is preferably selected whose permittivity is greater than the permittivity of air.
  • a non-elastic filling material can also be used.
  • an elastic filling material is particularly preferred.
  • the impedance in the middle section can be specifically controlled.
  • the connector housing can be made of a dielectric material, in particular a plastic.
  • the connector housing can also have an electrically conductive outer conductor in order to further improve the impedance transition.
  • the connector housing is designed in multiple parts and has at least one lower shell and one upper shell.
  • the lower shell can be the part of the connector housing in which the electrical cable is accommodated and which also has the at least one pressing means, which is preferably formed in one piece with the lower shell.
  • the upper shell can preferably be a cover element that can be connected to the lower shell.
  • the upper shell can be latched to the lower shell.
  • latching means for example latching hooks and latching lugs, can be provided on the lower shell and/or on the upper shell for this purpose.
  • the upper shell can have mechanical coding for the connection to the mating connector, for example in order to be able to connect the cable connector only to a specific mating connector type and possibly also only in one or more intended orientations.
  • the upper shell of the connector housing can be designed to fix the individual lines, the electrical cable, the contact elements and/or the at least one pressing means in the lower shell or at least to prevent them from falling out when the upper shell is placed on the lower shell.
  • the connector housing has at least one fastening means for the axial fastening of the cable sheath, in particular for strain relief of the cable.
  • the fastening means can be arranged in the rear section of the connector housing.
  • the electrical cable or its cable sheath can also be fixed radially.
  • one or more claws can be provided, which penetrate at least partially into the cable jacket and thus prevent the cable from being pulled out of the cable connector undesirably and/or twisting of the electrical cable in the cable connector.
  • a non-positive attachment of the electric cable in the rear section of the connector housing can also be provided.
  • a plurality of contact elements which are electrically connected to the electrical conductors of the individual lines and are preferably crimped can be provided in the connector housing.
  • the contact elements are preferably arranged in the front section of the connector housing.
  • the contact elements can be pin contacts and/or socket contacts, for example.
  • any number of contact elements can be provided in the connector housing, for example two contact elements, three contact elements, four contact elements, five contact elements, six contact elements, seven contact elements, eight contact elements or even more contact elements.
  • the number of contact elements can preferably correspond to the number of individual lines.
  • the cable connector has more electrical contact elements than the electrical cable has individual lines.
  • individual contact elements may also not be connected to an individual line and/or multiple contact elements may be connected to a common individual line.
  • the number of individual lines of the electrical cable exceeds the number of contact elements of the cable connector. In this case, individual lines of the electrical cable may not be connected to a contact element and/or multiple individual lines may be connected to a common contact element.
  • the front section of the connector housing extends from a front end of the connector housing facing the mating connector to a rear end of the contact elements facing the electrical cable.
  • the front section has the contact elements for the connections to the corresponding mating connector.
  • the middle section can extend, starting from the rear end of the contact elements facing the electric cable, to the rear section of the connector housing, from which the cable jacket of the electric cable is also stripped of insulation.
  • At least one separating means can be provided in the front section and/or at least in a front area of the central section facing the front section, in order to separate the contact elements and/or the individual lines from one another.
  • the at least one separating means can preferably be arranged in the connector housing, in particular in the front section of the connector housing and/or at least in a front area of the central section of the connector housing facing the front section of the connector housing.
  • the separating means can in particular be a dielectric separating means, for example a plastic part.
  • the separating means is preferably designed as a separating wall between individual contact elements or groups of contact elements.
  • the at least one separating means can be designed to optimize the impedance profile in the front section and/or in the front area of the middle section or to adapt it to the required standard.
  • the pressing according to the invention by means of the at least one pressing means can be particularly advantageous along the axial region of the central section, since neither a separating agent nor the cable sheath runs there.
  • the separating means e.g. a plastic partition
  • the critical central section can be axially shortened in such a way that the impedance value changed by removing the cable sheath cannot be achieved during signal transmission or the impedance matching according to the invention is simplified by the at least one pressing means.
  • the cable connector can be designed as a modular cable connector, in particular when using a connector housing that is designed in several parts, for example consisting of a lower shell and an upper shell.
  • the lower shell can be identical for different versions of the cable connector and can be adapted to a defined mating connector type by using different upper shells.
  • the invention also relates to a cable connector for connection to an electrical cable with a plurality of individual lines each having insulation and an electrical conductor.
  • the cable connector comprises a front section, which is set up for connection to a corresponding mating connector, a rear section in which the individual lines are surrounded by a cable jacket, and an intermediate, middle section.
  • the electrical conductors of two of the individual lines have a first mutual, nominal spacing in the rear section and have a second mutual spacing in the front section, which is greater than the first spacing.
  • the distance between the electrical conductors of the two individual lines increases in the middle section towards the front section.
  • At least one pressing means is provided and designed for the cable connector in the central section in order to press at least the two individual lines together in such a way that their insulation undergoes mechanical deformation in the area of a common contact surface.
  • an impedance check can be provided in the cable outlet of the cable connector.
  • the electrical matching in particular in the middle section, and thus also a return loss, can be improved.
  • the cable connector has a connector housing in which the rear section, the middle section and/or the front section is formed.
  • the connector housing can have a rear section into which an electrical cable can be inserted, a front section for connection to a corresponding mating connector, and a middle section extending between the rear section and the front section along a central axis of the connector housing exhibit.
  • the middle section of the connector housing can be designed to lead a plurality of individual lines of the electrical cable, which are freed from a cable sheath starting from the rear section, to the front section of the connector housing, with each individual line having insulation and an electrical conductor.
  • the impedance can be adjusted with minimal fluctuations in the middle section up to the contact elements or to the front section of the connector housing.
  • the individual lines can be routed in a technically simple, defined manner in the central section due to the pressing means.
  • the at least one pressing means in cross section follows the contour of the individual lines as optimally as possible in order to enclose the individual lines as completely as possible.
  • a cable connector that can be manufactured comparatively inexpensively and has good properties for high-frequency technology can be provided.
  • the assembly of the cable connector or the assembly of the electrical cable with the cable connector can be simplified according to the invention.
  • Calculations, simulations and/or series of measurements can be carried out for a defined impedance matching in the middle section by the at least one pressing means.
  • the invention is not limited to a specific design of a cable connector or to a specific electrical cable. However, the invention is suitable in particular for electrical cables or for cable connectors for high-frequency technology, in particular for use in vehicles.
  • a cable connector according to the invention can be used, for example, as a PL connector, BNC connector, TNC connector, SMBA (FAKRA) connector, N connector, 7-16 connector, SMA connector, SMB connector, SMS connector, SMC connector , SMP connectors, BMS connectors, HFM connectors, HSD connectors, H-MTD connectors, BMK connectors, mini-coax connectors or Makax connectors.
  • the cable connector according to the invention can be used particularly advantageously inside 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 802.11ad standard).
  • Possible applications include high-resolution cameras, such as 4K and 8K cameras, sensors, onboard computers, high-resolution displays, high-resolution dashboards, 3D navigation devices and mobile phones.
  • the invention can be particularly suitable for use with the Rosenberger MTD ("Modular Twisted-Pair Data") connector system, a transmission system for sheathed twisted-pair cables for Ethernet applications.
  • Rosenberger MTD Modem Twisted-Pair Data
  • Another, likewise particularly advantageous use of the invention can also be an AMEC ("Automotive Modular Ethernet Connection) - connector system concern.
  • a possible use as part of an Ethernet application of a cable connector assembly according to the invention can in particular data transmissions 100 Mbit/s up to one Gbit/s or more. Chip-to-chip applications can also be provided within the scope of the invention.
  • the cable connector assembly 1 comprises an electrical cable 2 and a cable connector 3 with a connector housing 4.
  • the electrical cable 2 is designed, for example, as a two-wire, unshielded twisted-pair cable (UTP cable).
  • UTP cable unshielded twisted-pair cable
  • the invention can be used for any electrical cable, for example also for shielded electrical cables.
  • the connector housing 4 has a rear portion 5 into which the electric cable 2 is inserted, a front portion 7 for connection to a corresponding one Mating connector (not shown) and a middle section 6 extending between the rear section 5 and the front section 7 along a longitudinal axis A of the connector housing 4 .
  • the middle section 6 is designed to guide a plurality of individual lines 9, in this case two individual lines 9, of the electrical cable 2 from the rear section 5 to the front section 7, with each individual line 9 having insulation 10 and an electrical conductor 11 (cf. e.g. figure 3 ) having.
  • time-Domain-Reflector-Diagram two exemplary time-domain reflectometry diagrams (“Time-Domain-Reflector-Diagram”) are shown for clarification.
  • the curve provided with the reference number 12 shows the course of the curve of a cable connector arrangement 1 according to the prior art. It can be seen that the impedance of the cable connector arrangement 1 according to the prior art does not comply with the transmission standard of 100 ohms ⁇ 5% that is generally required in the automotive sector.
  • FIG 2 a cable connector assembly 1 according to the invention is shown. The differences between the cable connector assembly 1 according to the invention and the known cable connector assembly 1 of FIG figure 1 executed.
  • At least one pressing means 13 is provided in the middle section 6 and is designed to press at least two of the individual lines 9, in this case both individual lines 9, together in such a way that their insulation 10 is in the area of a common contact surface B (cf. in particular figure 3 and figure 6 ) undergo mechanical deformation.
  • the impedance in the transition area or in the middle section 6 can be influenced in a targeted manner and thus controlled.
  • the required standards for example the aforementioned exemplary automobile standard of 100 ohms+ ⁇ 5%, can be met according to the invention with technically simple measures.
  • FIG 7 a curve of a cable connector arrangement 1 according to the invention, provided with the reference number 14, is shown as an example.
  • the cable connector assembly 1 is a preferred embodiment of the invention. Basically, it can be provided within the scope of the invention that the cable connector assembly 1, the front section 7, which is set up for connection to a corresponding mating connector, the rear section 5, in which the individual lines 9 are still surrounded by a cable jacket 8, and the intermediate , middle section 6 includes.
  • the front section 7, the middle section 6 and/or the rear section 5 does not necessarily have to correspond to a front section, middle section and rear section of the cable connector 3, respectively.
  • D 1 first mutual, nominal distance
  • figure 8 12 shows a cable connector assembly 1 in which the electric cable 2 and the pressing means 13 are not housed in the connector housing 4.
  • figure 5 shows a cross section of two individual lines 9 routed in parallel in a force-free state, so that they are only in close contact with one another and have a nominal distance D 1 between the centers of their electrical conductors 11 .
  • figure 6 shows the individual lines 9 of figure 5 , when they are pressed together by the at least one pressing means 13 (represented by two arrows).
  • the at least one pressing means 13 represented by two arrows.
  • the individual lines 9 are usually pressed together in such a way that their insulation 10 has an oval cross section after pressing, starting from the - at least in the ideal and tolerance-free case - circular cross section, as shown in figure 5 shown in the unloaded state.
  • the pressing means 13 can preferably be designed to press the at least two individual lines 9 together in such a way that the distance D 3 between the centers of their electrical conductors 11 is less than in the case of the force-free case of figure 5 the case is.
  • the at least one pressing means 13 is designed to press the at least two individual lines 9 together in such a way that the distance D 3 between the centers of their electrical conductors 11 is less than the minimum distance between their electrical conductors 11 within the cable jacket 8 of the cable 2.
  • the at least one pressing means 13 is designed to press the at least two individual lines 9 together in such a way that the impedance in the middle section 6 or at least in an area of the middle section 6 encompassed by the at least one pressing means 13 is 85 ohms to 115 ohms, preferably 90 ohms to 110 ohms, more preferably 95 ohms to 105 ohms and most preferably 100 ohms or is sufficiently matched to the impedance in the front section 7 and in the rear section 5 .
  • the material of the at least one pressing means 13 has a permittivity that corresponds or at least approximately corresponds to the permittivity of the cable jacket 8 .
  • the at least one pressing means 13 and the cable jacket 8 can be formed from the same dielectric material.
  • the at least one pressing means 13 can be designed in one piece with the connector housing 4 , preferably as a rib protruding into the interior of the connector housing 4 . This is the case in the exemplary embodiments. Alternatively or additionally, however, it can also be provided that the at least one pressing means 13 is designed independently of the connector housing 4, preferably as a clamp. In this case, the at least one pressing means 13 does not even have to be arranged in the connector housing 4, as in FIG figure 8 is made clear.
  • pressing means 13 can be provided.
  • two pressing means 13 are provided in the form of ribs.
  • the at least one pressing means 13 is designed to guide the at least two individual lines 9 as centrally as possible along the longitudinal axis A of the connector housing 4 through the middle section 6.
  • the individual lines 9 can be routed as far away from the inner walls of the connector housing 4 as possible, which can reduce the risk of a short circuit between one or more electrical conductors 11 and the conductive components surrounding the cable connector 3 in the event of severe mechanical damage to the cable connector 3.
  • the connector housing 4 and/or the at least one pressing means 13 is designed in order to avoid or at least minimize air pockets in the middle section 6 .
  • this is not essential.
  • the individual lines 9 are encapsulated at least in the middle section 6, particularly preferably inside the connector housing 4, with a filling material, for example with a filling material that has a permittivity has, which corresponds to the permittivity of the cable sheath 8 or at least approximately.
  • a filling material for example with a filling material that has a permittivity has, which corresponds to the permittivity of the cable sheath 8 or at least approximately.
  • An elastic filling material is preferably provided.
  • the connector housing 4 is designed in several parts and has at least one lower shell 15 and one upper shell 16 . This is particularly good based on the sectional views according to Figures 3 and 4 along the in figure 2 illustrated cutting lines III and IV recognizable. In the Figures 1 and 2 only the respective lower shells 15 are shown, figure 3 shows the upper shell in dashed lines.
  • the upper shell 16 can be designed in the manner of a cover part and fix or at least cover the components accommodated in the lower shell 15 , in particular the individual lines 9 and the electrical cable 2 , when the upper shell 16 is placed on the lower shell 15 .
  • Latching means can be provided in order to latch the upper shell 16 and the lower shell 15 to one another.
  • the upper shell 16 can have a mechanical coding in order to enable contacting only with a specific mating connector and optionally also only in one or more defined orientations.
  • the cable connector 3 can be modular, after which, for example, the lower shell 15 can be identical for different versions of the cable connector 3 and can be combined with different upper shells 16 for connection to different mating connectors.
  • a plurality of contact elements 18 can be provided in the front section 7 of the connector housing 4, which are electrically connected to the electrical conductors 11 of the individual lines 9, preferably crimped.
  • two contact elements 18 are provided corresponding to the number of individual lines 9 .
  • the number of contact elements 18 and the number of individual lines 9 do not have to correspond and can be arbitrary in each case.
  • the front section 7 of the connector housing 4 can extend from a front end 19 of the connector housing 4 facing the mating connector to a rear end 20 of the contact elements 18 facing the electrical cable 2 .
  • the connector housing 4 has at least one separator 21 in the front section 7 and/or at least in a front area of the middle section 6 facing the front section 7, in order to separate the contact elements 18 and/or the individual lines 9 from one another to separate.
  • the separating means 21 is in the present case designed as a separating wall which is designed in one piece with the lower shell 15 of the connector housing 4 and which separates the contact elements 18 in the front section 7 of the connector housing 4 and the individual lines 9 in the front area of the middle section 6 from one another. It can be particularly advantageous to arrange and design the at least one pressing means 13 in the middle section 6 in such a way that the individual lines 9 are sufficiently pressed together at least in this area in order to achieve a desired impedance matching.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)

Claims (14)

  1. Connecteur enfichable de câble (3) pour la connexion à un câble électrique (2) ayant une pluralité de lignes individuelles (9) ayant chacune une isolation (10) et un conducteur électrique (11), comprenant
    une partie avant (7), configurée pour être connectée à un connecteur de matage correspondant ;
    une partie arrière (5), dans laquelle les lignes individuelles (9) sont entourées d'une gaine de câble (8) ; et
    une section centrale intercalée (6),
    dans laquelle les conducteurs électriques (11) de deux des lignes individuelles (9) ont une première distance nominale mutuelle (D1) dans la section arrière (5) et ont une deuxième distance mu-tuelle (D2) dans la section avant (7), cette deuxième distance étant supérieure à la première distance (D1), dans laquelle la distance entre les conducteurs électriques (11) des deux lignes individuelles (9) dans la section centrale (6) augmente dans le sens inverse de la section avant (7),
    caractérisé par le fait que
    au moins un moyen de pression (13) est prévu dans la section centrale (6) et est formé pour presser ensemble au moins les deux lignes individuelles (9) de manière à ce que leurs isolants (10) subissent une déformation mécanique dans la région d'une zone de contact commune (B).
  2. Connecteur enfichable de câble (3) selon la revendication 1,
    caractérisé par le fait que
    le connecteur enfichable de câble (3) comporte un boîtier de connecteur (4), dans lequel la partie arrière (5), la partie centrale (6) et/ou la partie avant (7) est/sont formée(s).
  3. Dispositif de connecteur enfichable de câble (1), comportant un connecteur enfichable de câble (3) selon la revendication 1 ou 2 et le câble électrique (2).
  4. Dispositif de connecteur enfichable de câble (1) selon la revendication 3,
    caractérisé par le fait que
    l'au moins un moyen de pression (13) est formé pour presser ensemble les deux lignes individuelles (9) de manière à ce que les isolations (10) aient une section transversale ovale.
  5. Dispositif de connecteur enfichable de câble (1) selon la revendication 3 ou 4,
    caractérisé par le fait que
    l'au moins un moyen de pression (13) est formé pour presser les deux lignes individuelles (9) de telle sorte qu'il en résulte une troisième distance mutuelle (D3) entre les conducteurs électriques (11), cette troisième distance étant inférieure à ce qu'elle serait si les lignes individuelles (9) étaient placées l'une contre l'autre sans force.
  6. Dispositif de connecteur enfichable de câble (1) selon l'une quelconque des revendications 3 à 5,
    caractérisé par le fait que
    l'au moins un moyen de pression (13) est formé pour presser les deux lignes individuelles (9) de telle sorte qu'il en résulte une troisième distance mutuelle (D3) entre les conducteurs électriques (11), cette troisième distance étant inférieure à la première distance (D1).
  7. Dispositif de connecteur enfichable de câble (1) selon l'une quelconque des revendications 3 à 6,
    caractérisé par le fait que
    le matériau du au moins un moyen de pressage (13) a une permittivité qui correspond ou au moins approximativement correspond à la permittivité de la gaine de câble (8), en particulier s'écarte de la permittivité de la gaine de câble (8) de moins de 10%, s'écarte de préférence de la permittivité de la gaine de câble (8) de moins de 5 %, de préférence de moins de 1 % et de préférence de moins de 0,5 %. 5 %.
  8. Dispositif de connecteur enfichable de câble (1) selon l'une quelconque des revendications 3 à 7,
    caractérisé par le fait que
    le connecteur enfichable de câble (3) comporte un boîtier de connecteur (4), le long duquel s'étend au moins la partie avant (7).
  9. Dispositif de connecteur enfichable de câble (1) selon la revendication 8,
    caractérisé en ce que
    la section centrale (6) s'étend le long du boîtier du connecteur (4) et en ce que le moyen de pression (13) est disposé dans le boîtier du connecteur (4).
  10. Dispositif de connecteur enfichable de câble (1) selon la revendication 8 ou 9,
    caractérisé par le fait que
    l'au moins un moyen de pression (13) est formé d'une seule pièce avec le boîtier du connecteur (4), de préférence sous la forme d'une nervure qui fait saillie à l'intérieur du boîtier du connecteur (4).
  11. Dispositif de connecteur enfichable de câble (1) selon l'une quelconque des revendications 8 à 10,
    caractérisé par le fait que
    le au moins un moyen de pression (13) est formé indépendamment du boîtier du connecteur (4), de préférence il est formé comme une pince.
  12. Dispositif de connecteur enfichable de câble (1) selon l'une quelconque des revendications 8 à 11,
    caractérisé par le fait que
    la partie arrière (5) s'étend le long du boîtier du connecteur (4).
  13. Dispositif de connecteur enfichable de câble (1) selon l'une quelconque des revendications 8 à 12, caractérisé en ce que la partie arrière (5) s'étend le long du boîtier de connexion (4),
    caractérisé en ce que
    le boîtier de connecteur (4) est en plusieurs parties et comporte au moins une coque inférieure (15) et une coque supérieure (16).
  14. Dispositif de connecteur enfichable de câble (1) selon l'une quelconque des revendications 3 à 13,
    caractérisé par le fait que
    au moins un moyen de séparation (21) est prévu dans la partie avant (7) et/ou au moins dans une zone avant de la partie centrale (6) faisant face à la partie avant (7) afin de séparer les éléments de contact (18) et/ou les lignes individuelles (9) les uns des autres.
EP19208344.2A 2018-12-19 2019-11-11 Dispositif de connecteur enfichable de câble, connecteurs enfichable de câble et moyen de pression Active EP3671975B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018132823.0A DE102018132823A1 (de) 2018-12-19 2018-12-19 Kabelsteckverbinderanordnung, Kabelsteckverbinder und Pressmittel

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Publication Number Publication Date
EP3671975A1 EP3671975A1 (fr) 2020-06-24
EP3671975C0 EP3671975C0 (fr) 2023-08-02
EP3671975B1 true EP3671975B1 (fr) 2023-08-02

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US (1) US11283223B2 (fr)
EP (1) EP3671975B1 (fr)
CN (1) CN111342308A (fr)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020124705A1 (de) * 2020-09-22 2022-03-24 Te Connectivity Germany Gmbh Verfahren zur Herstellung eines Leitungssystems und Leitungssystem
DE102020132011A1 (de) 2020-12-02 2022-06-02 Md Elektronik Gmbh Steckverbinderanordnung
JP2024064540A (ja) * 2022-10-28 2024-05-14 矢崎総業株式会社 ワイヤーハーネス
DE102022132099A1 (de) 2022-12-02 2024-06-13 Ims Connector Systems Gmbh Elektrischer Steckverbinder

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Publication number Priority date Publication date Assignee Title
DE4318800C5 (de) * 1993-06-07 2006-07-13 Hirschmann Electronics Gmbh & Co. Kg Mehrpoliger Kabelsteckverbinder
DE19908455C2 (de) * 1999-02-26 2001-12-13 Harting Kgaa Kabelklemme zum mechanischen Halten und elektrischen Anschließen eines Kabels
US7229309B2 (en) 2004-06-24 2007-06-12 James A. Carroll Network connection system
US8872025B2 (en) * 2011-03-16 2014-10-28 Jtekt Corporation Waterproof structure of electronic unit
CN103414050A (zh) * 2012-02-14 2013-11-27 通用电气传感与检测科技股份有限公司 用于高电压电缆的高电压连接器组件、高电压连接器、以及制造高电压连接器组件的方法
EP2897217A1 (fr) * 2014-01-21 2015-07-22 Delphi Technologies, Inc. Dispositif d'adaptation d'impédance
JP2015216015A (ja) * 2014-05-09 2015-12-03 株式会社オートネットワーク技術研究所 ハーネス
DE202015000753U1 (de) * 2015-01-30 2015-02-16 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Steckverbinderanordnung mit Hülsenteil
JP2017091855A (ja) * 2015-11-11 2017-05-25 住友電装株式会社 ワイヤハーネス
CN206774827U (zh) * 2017-03-28 2017-12-19 成都赋阳技术开发有限公司 一种内部设置有三角形隔离板的石墨烯数据线
CN110401066B (zh) * 2018-04-20 2021-06-18 卡任特照明解决方案有限公司 一种连接器、连接器组件和照明系统

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EP3671975C0 (fr) 2023-08-02
US11283223B2 (en) 2022-03-22
EP3671975A1 (fr) 2020-06-24
DE102018132823A1 (de) 2020-06-25
CN111342308A (zh) 2020-06-26
US20200203894A1 (en) 2020-06-25

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