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EP3671975A1 - 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
EP3671975A1
EP3671975A1 EP19208344.2A EP19208344A EP3671975A1 EP 3671975 A1 EP3671975 A1 EP 3671975A1 EP 19208344 A EP19208344 A EP 19208344A EP 3671975 A1 EP3671975 A1 EP 3671975A1
Authority
EP
European Patent Office
Prior art keywords
cable
individual lines
section
cable connector
connector
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
EP19208344.2A
Other languages
German (de)
English (en)
Other versions
EP3671975C0 (fr
EP3671975B1 (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
    • H01R13/646—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
    • H01R13/648—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
    • 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 arrangement, comprising 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 1.
  • 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, according to the preamble of claim 13.
  • the invention also relates to a pressing means for a cable connector arrangement or for a cable connector.
  • a plug connector serves to produce an electrical plug connection with a complementary, further plug connector (hereinafter also referred to as mating plug 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 represents all variants.
  • a connector sometimes has to withstand high loads, such as mechanical loads or thermal loads.
  • the connectors must maintain their electrical properties within specified tolerance ranges even under adverse environmental conditions 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 in particular when using the cable connector in high-frequency technology for the transmission of high data rates, is that the removal of the cable jacket makes the signal path in the transition region or in the middle section of the cable connector arrangement more inductive.
  • the corresponding change in impedance in this section can finally lead to undesirable reflections of the RF signal, which is why the required transmission standards, in particular for connectors in the automotive sector, are generally very difficult and also cannot be complied with for any type of connector.
  • the present invention is therefore based on the object of providing a cable connector arrangement which has an improved impedance curve. Another object of the invention is to provide a cable connector with an improved impedance profile.
  • the invention is also based on the object of providing a pressing means for a cable connector arrangement or for a cable connector, the use of which enables, in particular, an improved impedance profile of a cable connector arrangement or a cable connector.
  • the object is achieved for the cable connector arrangement by the features of claim 1 and for the cable connector by the features of claim 13. With regard to the pressing means, the object is achieved by the features of claim 15.
  • a cable connector arrangement comprising 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 be designed as a twisted-pair cable, ie as a cable with twisted pairs.
  • the electrical cable can be of any design, for example also as a so-called parallel pair cable, as a coaxial cable or as another cable.
  • An unshielded cable with twisted wire pairs (so-called “unshielded twisted pair (UTP) cable”) is particularly preferably provided.
  • the electrical conductor of the individual lines can be a single wire or a stranded wire, that is to say an electrical conductor consisting of thin individual wires.
  • the type of electrical conductor is not important in the context 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 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 sheath, and an intermediate, intermediate section.
  • the sections extend along the cable connector arrangement, preferably along a central axis of the cable connector arrangement.
  • 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 ("angled connector"), which starts 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 is adjacent to the middle section and the middle section to the rear section.
  • the directional information "front” relates to the side of the cable connector arrangement or the end of the cable connector of the cable connector arrangement which faces the subsequent mating connector (the “connector-side end”).
  • the term “rear” refers to one side of the cable connector assembly or the end of the The cable connector assembly of the cable connector assembly facing the electrical cable (the “cable end”). In the following Figures 1 and 2 the left side of the cable connector is therefore “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 in the direction of the front section.
  • the electrical cable therefore still has its cable sheath in the rear section of the cable connector arrangement. Only from the middle section of the cable connector arrangement is the cable sheath of the cable removed. 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 of the electrical conductors in the rear section or within the cable sheath deviates from a nominal value (for example provided by a manufacturer), can be taken into account when defining the first mutual nominal distance, in particular since the The distance between the electrical conductors within the cable sheath is generally not constant due to the tolerances over the length of the electrical cable.
  • the minimum possible distance within the electrical cable, including tolerances, must be taken into account.
  • the first distance can thus be, for example, the "minimum distance".
  • the “minimum distance” of the conductors within the cable sheath is to be understood in particular as the minimum distance that results from an orthogonal distance measurement between the electrical conductors that generally run parallel through the electrical cable.
  • only two electrical conductors or only two individual lines may be taken into account, in particular one pair of electrical conductors which is set up for the common signal transmission. However, all electrical conductors or individual lines of the electrical cable can also be taken into account.
  • At least one pressing means is provided and designed in the middle section in order to press at least the two individual lines together in such a way that their insulation undergoes mechanical deformation in the region of a common contact surface.
  • only some of the individual lines are pressed together, for example only individual lines that are provided for signal transmission, in particular for symmetrical signal transmission. It can also be provided that only individual lines are pressed together which are provided for signal transmission with a particularly high data rate (eg 100 Mbit / s or more). For example, individual lines that are only used for the transmission of reference signals, signals with low frequencies and / or electrical supply signals can be routed in a regular manner, that is to say not pressed together.
  • all of the individual lines of the electrical cable are pressed together by the at least one pressing means.
  • the pressing of the at least two individual lines by means of the at least one pressing means results in the insulation on the outer sheaths of each other pressed individual lines common contact surfaces, which usually increase with increasing contact pressure.
  • the use of the at least one pressing means according to the invention advantageously allows impedance matching, in particular in the central section of the cable connector arrangement, after which the impedance value in the transition region between the cable and the connector can be optimized.
  • a constant impedance can preferably be ensured over the entire cable connector arrangement.
  • the cable connector arrangement can have improved EMC behavior.
  • Reflections in the signal transmission can advantageously be avoided, in spite of the usually necessary distance or pitch adjustment of the electrical conductors of the electrical cable during the transition into the cable connector or into the front area.
  • the signal path is adapted more capacitively and ideally, for example to an impedance of 100 ohms, at least along the squeezing area or along the area in which the at least one pressing means presses the individual lines together.
  • the transition area or the middle section of the cable connector arrangement can be shortened from the point of view of the impedance profile.
  • 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 Ladder).
  • the cross-section of the individual lines can be deformed from the (ideally) circular shape by the pressing according to the invention.
  • 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 there is a ratio of width to length of 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 less or even less.
  • 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 force would be the case.
  • the individual lines in the region of the middle section influenced by the pressing means are not only guided in contact or closely abutting one another.
  • a minimum distance between electrical conductors which only run in contact can be further reduced by the pressing according to the invention.
  • the distance between the centers of the electrical conductors of the individual lines pressed together can be smaller than with a minimum tolerance position (according to the manufacturer's specification) of the individual lines.
  • 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 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 central section or at least in an area of the central section comprised by the at least one pressing means is 85 ohms to 115 ohms, preferably 90 ohms to 110 ohms, particularly preferably 95 ohms to 105 ohms and very particularly preferably 100 ohms or at least approximately 100 ohms and / or is matched to the impedance in the front section and in the rear section.
  • the impedance in the central section can in particular be adjusted 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 so that it corresponds to 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% deviates.
  • the transmission standards for electrical cables and connectors in the automotive sector generally require an impedance of 100 ohms +/- 5%. While these requirements can be met for the individual electrical cable and for the cable connector, there may be a deviation from this requirement due to the removal of the cable sheath in the transition area or in the middle section. Due to the impedance matching by means of the at least one pressing means, the requirements for the impedance can also preferably be met in the middle section.
  • the material of the at least one pressing means has a permittivity that corresponds to or at least approximately corresponds to the permittivity of the cable sheath, in particular deviates by less than 10% from the permittivity of the cable sheath, preferably by less than 5 % deviates from the permittivity of the cable jacket, particularly preferably deviates by less than 1% from the permittivity of the cable jacket and very particularly preferably deviates by less than 0.5% from the permittivity of the cable jacket.
  • the at least one pressing means is preferably designed as a plastic part.
  • the at least one pressing means can also be made of another material, for example metal.
  • the at least one pressing means is preferably formed from the same dielectric material from which the cable sheath is made, or at least from a similar material.
  • the change in impedance in the middle section which can also be caused by the cable sheath removal, can be at least partially, preferably completely, compensated for.
  • the cable connector has a connector housing along which at least the front section extends.
  • the connector housing has a front section which forms the front section of the cable connector arrangement.
  • the connector housing can be set up in the region of the front section in particular for connection to a corresponding mating connector.
  • the central section extends along the connector housing and that the pressing means is arranged in the connector housing.
  • the connector housing has a central or rear section which follows the central section of the connector housing and forms the central section of the cable connector arrangement along a central axis of the connector housing.
  • the at least one pressing means is formed 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 is able to at least partially accommodate the at least two individual lines and to press them together.
  • a single rib can be provided.
  • a plurality of ribs or pressing means can also be provided, for example two, three, four or even more ribs, which are arranged distributed over the central section along the central axis, preferably along the longitudinal axis of the connector housing.
  • the at least one pressing means can also be designed in the manner of pins, plates etc. protruding into the interior of the connector housing.
  • the at least one pressing means is formed independently of the connector housing, preferably as a clamp.
  • V-shaped, U-shaped and / or partially ring-shaped clamp can be provided.
  • a clamping solution in the manner of a cable tie can also be provided.
  • a combination of one-piece pressing means and pressing means designed independently of the plug connector housing can also be provided.
  • one or more pressing means can be formed in one piece with the connector housing, for example as a rib or ribs, and for one or more additional pressing means to be designed as clamps or other pressing means which are formed independently of the connector housing.
  • a clamp can be provided.
  • several clamps can also be provided, for example two, three, four or even more clamps, which are arranged distributed over the central section of the cable connector arrangement.
  • 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 as a function of the axial extent of the central section, in particular with the aim of leading the at least two individual lines through the central section as completely and sufficiently pressed together.
  • two pressing means are provided, which are integrally offset with the connector housing 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 in order to lead the two individual lines as centrally as possible along the central axis of the connector housing through the central 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 rear section extends along the connector housing.
  • the connector housing has a rear section which forms the rear section of the cable connector arrangement.
  • the connector housing can be designed in the region of the rear section in particular to accommodate the electrical cable.
  • the connector housing has a rear section into which the electrical cable is inserted, a front section which is set up for connection to a corresponding mating connector, and one between the rear section and the front Has section extending along the central axis of the connector housing, central section.
  • the front section of the connector housing preferably forms the front section of the cable connector arrangement
  • the central section of the connector housing forms the central section of the cable connector assembly
  • the rear section of the connector housing forms the rear section of the cable connector arrangement.
  • the connector housing and / or the at least one pressing means is designed in order to avoid or at least minimize air pockets in the middle section.
  • the individual lines are extrusion-coated at least in the middle section with an elastic filling material.
  • the individual lines within the plug connector housing are extrusion-coated with the elastic filler material.
  • this can prevent air pockets.
  • the individual lines can also be put into a defined constrained position, for example, by the extrusion coating.
  • the filling material can be advantageous to use a similar or preferably identical material for the filling material, from which the cable sheath of the electrical cable is also made.
  • the permittivity of the filling material corresponds at least approximately to the permittivity of the cable jacket.
  • 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 formed from a dielectric material, in particular from 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 formed in several 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 received 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 locked with the lower shell.
  • locking means for example locking hooks and locking lugs, can be provided on the lower shell and / or on the upper shell.
  • the upper shell can have mechanical codings for the connection with the mating connector, for example in order to be able to connect the cable connector only with a specific mating connector type and possibly also only in one or more intended orientation.
  • 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.
  • both the upper shell and the lower shell have pressing means formed in one piece, for example ribs which engage in one another, in order to press the at least two individual lines together when the upper shell is placed on the lower shell.
  • the connector housing has at least one fastening means for axially fastening the cable jacket, in particular for strain relief of the cable.
  • the fastening means can preferably be arranged in the rear section of the connector housing.
  • the electrical cable or its cable jacket can also be fixed radially.
  • one or more claws can be provided, which at least partially penetrate into the cable sheath and thus prevent undesired pulling out of the cable from the cable connector and / or undesired twisting of the electrical cable in the cable connector.
  • a non-positive fastening of the electrical cable can also be provided in the rear section of the connector housing.
  • a plurality of contact elements which are electrically connected, preferably crimped, to the electrical conductors of the individual lines 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, for example, pin contacts and / or socket contacts.
  • 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 not be connected to a single line and / or several contact elements may be connected to a common single 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 several 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 for the connections to the corresponding mating connector has the contact elements.
  • the middle section can extend from the rear end of the contact elements facing the electrical cable to the rear section of the connector housing, from which the cable sheath of the electrical cable is also stripped.
  • At least one separating means can be provided in the front section and / or at least in a front area of the middle 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 middle section of the connector housing facing the front section of the connector housing.
  • the release agent can in particular be a dielectric release agent, for example a plastic part.
  • the separating means is preferably designed as a partition between individual contact elements or groups of contact elements.
  • the at least one separating means can be designed to optimize the impedance curve 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 means nor the cable sheath run there.
  • the separating means for example a plastic partition
  • the critical middle section can be shortened axially in such a way that the impedance value changed by the removal of the cable sheath cannot be reached 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.
  • 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 sheath, and an intermediate, intermediate section.
  • the electrical conductors of two of the individual lines have a first mutual nominal distance in the rear section and have 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 in the direction of the front section.
  • At least one pressing means is provided and designed for the cable plug connector in the middle section in order to press at least the two individual lines together in such a way that their insulations experience 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 adaptation 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 central 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 formed, a plurality of individual lines of the electrical cable, which start from the rear Section are exempt from a cable jacket to lead to the front portion of the connector housing, wherein each individual line has insulation and an electrical conductor.
  • the impedance can be adjusted in the middle section with minimal fluctuations down to the contact elements or to the front section of the connector housing.
  • the invention also relates to a pressing means for the cable connector arrangement described above and below or for the cable connector described above and below.
  • the individual lines can be guided in a technically simple manner in the middle section due to the pressing means.
  • the at least one pressing means follows the contour of the individual lines as optimally as possible in order to enclose the individual lines as completely as possible.
  • 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 particularly suitable 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 connector, BMS connector, HFM connector, HSD connector, H-MTD connector, BMK connector, mini-coax connector or Makax connector.
  • the cable 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-seat entertainment systems, internet connections and wireless gigabit (IEEE 802.11ad standard).
  • Possible applications concern high-resolution cameras, for example 4K and 8K cameras, sensors, onboard computers, high-resolution screens, high-resolution dashboards, 3D navigation devices and mobile devices.
  • the invention can be particularly suitable for use with the Rosenberger MTD ("Modular Twisted-Pair Data) connector system, a transmission system for jacketed twisted-pair lines for Ethernet applications.
  • Rosenberger MTD Modem Twisted-Pair Data
  • AMEC Automatic Modular Ethernet Connection
  • a possible use in the context of an Ethernet application of a cable connector arrangement according to the invention can relate in particular to data transmissions with 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 arrangement 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 section 5, into which the electrical cable 2 is inserted, a front section 7 for connection to a corresponding mating connector (not shown) and one between the rear section 5 and the front section 7 along a longitudinal axis A of Connector housing 4 extending, middle section 6.
  • the electrical cable 2 is freed from its cable sheath 8.
  • the middle section 6 is formed around a plurality of individual lines 9, in the present case two individual lines 9, of the electrical cable 2 from the rear section 5 to the front section 7, each individual line 9 having insulation 10 and an electrical conductor 11 (cf. Figure 3 ) having.
  • Cable connector 3 shown according to the prior art is that in the middle section 6 due to the removed cable sheath 8 and the required spreading or the so-called pitch change of the individual lines 9 (ie the change in the distance between the individual lines 9 to each other), the signal path becomes more inductive. This causes an impedance change that can lead to undesired reflections of the RF signal.
  • 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 curve profile 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 meet the transmission standard of 100 ohms + -5%, which is generally required in the automotive sector.
  • FIG 2 A cable connector arrangement 1 according to the invention is shown.
  • the differences between the cable connector arrangement 1 according to the invention and the known cable connector arrangement 1 are essentially different Figure 1 executed.
  • At least one pressing means 13 is provided and formed in the middle section 6 in order to press at least two of the individual lines 9, in the present case both individual lines 9, with one another such that their insulation 10 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 region or in the middle section 6 can be influenced in a targeted manner and thus controlled.
  • the required standards for example the aforementioned exemplary automotive standard of 100 ohms + -5%, can be met according to the invention with technically simple measures.
  • Figure 7 an example of a curve provided with the reference number 14 of a cable connector arrangement 1 according to the invention is shown.
  • Cable connector assembly 1 shown is a preferred embodiment of the invention.
  • the cable connector arrangement 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 sheath 8, and the intermediate ones , middle section 6 comprises.
  • the front section 7, the middle section 6 and / or the rear section 5 need not necessarily correspond to a front section, middle section or rear section of the cable connector 3.
  • D 1 first mutual, nominal distance
  • Figure 8 shows a cable connector arrangement 1, in which the electrical cable 2 and the pressing means 13 are not accommodated in the connector housing 4. Only the front section 7 and a front area of the middle section 6 extend along the connector housing 4.
  • Figure 5 shows two parallel leads 9 in cross section in a non-force state, so that they only lie close together and have a nominal distance D 1 between the centers of their electrical conductors 11.
  • Figure 6 shows the individual lines 9 of the Figure 5 when these are pressed together by the at least one pressing means 13 (represented by two arrows).
  • a common contact surface B is formed between the individual lines 9, which causes a mechanical deformation of the insulation 10.
  • the individual lines 9 are generally pressed together in such a way that their insulation 10 has an oval cross section after the pressing, starting from the circular cross section, at least in the ideal and tolerance-free case, as shown in FIG Figure 5 shown in the unloaded state.
  • the pressing means 13 can preferably be designed in order 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 smaller 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 of the centers of their electrical conductors 11 is less than the minimum distance of their electrical conductors 11 within the Cable jacket 8 of 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 central section 6 or at least in an area of the central section 6 85 which is encompassed by the at least one pressing means 13 Ohm to 115 Ohm, preferably 90 Ohm to 110 Ohm, particularly preferably 95 Ohm to 105 Ohm and very particularly preferably 100 Ohm or is sufficiently adapted 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 the Permittivity of the cable jacket 8 corresponds or at least approximately corresponds.
  • 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 is formed in one piece with the connector housing 4, preferably as a rib projecting 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. In the exemplary embodiment, two pressing means 13 in the manner of ribs are provided.
  • the at least one pressing means 13 is designed in order 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 central section 6.
  • the individual lines 9 can be routed as far as possible from the inner walls of the connector housing 4, 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 central section 6. However, this is not essential.
  • the individual lines 9 are at least in the middle section 6, particularly preferably inside the connector housing 4, overmolded with a filler material, for example with a filler material that has permittivity has, which corresponds to the permittivity of the cable sheath 8 or at least approximately corresponds.
  • a filler material for example with a filler material that has permittivity has, which corresponds to the permittivity of the cable sheath 8 or at least approximately corresponds.
  • An elastic filling material is preferably provided.
  • the connector housing 4 is formed in several parts and has at least one lower shell 15 and one upper shell 16. This is particularly good on the basis of the sectional representations according to FIGS Figures 3 and 4 along the in Figure 2 shown section 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 with 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.
  • Locking means can be provided in order to lock the upper shell 16 and the lower shell 15 together.
  • the upper shell 16 can have a mechanical coding in order to enable contacting only with a specific mating connector and possibly also only in one or more defined orientations.
  • the cable connector 3 can be modular, according to 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.
  • the connector housing 4 in the rear section 5 can have at least one fastening means, in the exemplary embodiment brackets 17, for axially and / or radially fastening the cable jacket 8, in particular for strain relief of the cable 2.
  • a plurality of contact elements 18 can be provided in the front section 7 of the connector housing 4, which are electrically connected, preferably crimped, to the electrical conductors 11 of the individual lines 9.
  • two contact elements 18 are provided in accordance with the number of individual lines 9. In principle, however, the number of contact elements 18 and the number of individual lines 9 need not correspond and can be any.
  • 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 separating means 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 designed as a dividing wall which is formed in one piece with the lower shell 15 of the connector housing 4 and 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. It can be particularly advantageous to arrange and design the at least one pressing means 13 in the central section 6 such that the individual lines 9 are pressed together sufficiently 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)
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

Publications (3)

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

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EP19208344.2A Active EP3671975B1 (fr) 2018-12-19 2019-11-11 Dispositif de connecteur enfichable de câble, connecteurs enfichable de câble et moyen de pression

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Country Link
US (1) US11283223B2 (fr)
EP (1) EP3671975B1 (fr)
CN (1) CN111342308A (fr)
DE (1) DE102018132823A1 (fr)

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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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US20050287873A1 (en) 2004-06-24 2005-12-29 Carroll James A Network connection system
JP2017091855A (ja) * 2015-11-11 2017-05-25 住友電装株式会社 ワイヤハーネス

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DE19908455C2 (de) * 1999-02-26 2001-12-13 Harting Kgaa Kabelklemme zum mechanischen Halten und elektrischen Anschließen eines Kabels
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
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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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DE4318800A1 (de) * 1993-06-07 1994-12-08 Hirschmann Richard Gmbh Co Mehrpoliger Kabelsteckverbinder
US20050287873A1 (en) 2004-06-24 2005-12-29 Carroll James A Network connection system
JP2017091855A (ja) * 2015-11-11 2017-05-25 住友電装株式会社 ワイヤハーネス

Also Published As

Publication number Publication date
DE102018132823A1 (de) 2020-06-25
CN111342308A (zh) 2020-06-26
EP3671975C0 (fr) 2023-08-02
US20200203894A1 (en) 2020-06-25
US11283223B2 (en) 2022-03-22
EP3671975B1 (fr) 2023-08-02

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