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EP4176490A1 - Élément de contact à conducteur externe, connecteur à fiche à angle droit et procédé de production d'un connecteur à fiche à angle droit - Google Patents

Élément de contact à conducteur externe, connecteur à fiche à angle droit et procédé de production d'un connecteur à fiche à angle droit

Info

Publication number
EP4176490A1
EP4176490A1 EP21735875.3A EP21735875A EP4176490A1 EP 4176490 A1 EP4176490 A1 EP 4176490A1 EP 21735875 A EP21735875 A EP 21735875A EP 4176490 A1 EP4176490 A1 EP 4176490A1
Authority
EP
European Patent Office
Prior art keywords
section
outer conductor
contact element
conductor contact
crimping
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
EP21735875.3A
Other languages
German (de)
English (en)
Other versions
EP4176490B1 (fr
EP4176490C0 (fr
Inventor
Martin Zebhauser
Thomas MIEDL
Till BREDBECK
Christian ANFANG
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 EP4176490A1 publication Critical patent/EP4176490A1/fr
Application granted granted Critical
Publication of EP4176490B1 publication Critical patent/EP4176490B1/fr
Publication of EP4176490C0 publication Critical patent/EP4176490C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the invention relates to an outer conductor contact element for an angled connector, having a crimping section for pressing the outer conductor contact element onto an electrical cable, a sleeve-shaped contact section for establishing a connection with a corresponding mating connector and a trough-shaped transition area that extends from the crimping section to the contact section, according to the preamble of claim 1.
  • the invention also relates to an angle connector and a method for producing an angle connector.
  • a plug connector or mating plug connector can be a plug, a printed circuit board plug, a built-in plug, a socket, a coupling or an adapter.
  • the term "connector” or “mating connector” used in the context of the invention is representative of all variants.
  • a plug connection must withstand high loads, for example mechanical loads, and remain closed in a defined manner so that the electrical connection is not unintentionally separated, for example during operation of the vehicle. Ensuring safety is a priority, especially when it comes to the autonomous operation of vehicles and driver assistance systems.
  • a particularly advantageous connector for the transmission of high-frequency electrical signals is known from the generic DE 202008 014 409 U1.
  • the HF right-angle connector of DE 20 2008 014409 U1 has an outer conductor contact element and an inner conductor contact element, the Inner conductor contact element has a fastening element for mechanical and electrical connection to an inner conductor of a coaxial cable, and wherein the outer conductor contact element has a cable-side end at which the coaxial cable is arranged and an end face opposite the cable-side end through which a longitudinal axis of the mounted coaxial cable intersects.
  • the one-piece design of the connector components of a connector is advantageous.
  • a one-piece design can make the final assembly of the connector more difficult, especially in the case of an angled connector.
  • the assembly of the angled connector of DE 202 008 014 409 U1 is therefore comparatively complex.
  • the object of the present invention is to provide an outer conductor contact element which is particularly suitable for use in an angle connector for transmitting particularly high-frequency electrical signals, and which is preferably inexpensive to manufacture and assemble.
  • the present invention is also based on the object of providing an angle connector which is particularly suitable for the transmission of particularly high-frequency electrical signals and which can preferably be manufactured and assembled at low cost.
  • the object is achieved for the outer conductor contact element with the features listed in claim 1.
  • the object is achieved by the features of claim 21.
  • the object is achieved by the features of claim 22.
  • An outer conductor contact element is provided for an angled connector.
  • the outer conductor contact element has a crimping section for pressing the outer conductor contact element onto an electrical cable.
  • the crimping section comprises a free end, which is open at the end, for receiving the cable.
  • the crimping section can thus be designed to provide a fastening of the outer conductor contact element on the cable.
  • the cable can be inserted into the free end of the crimping section, which is open at the front, and the crimping section can then be pressed or crimped onto the cable, for example using a pressing tool or crimping pliers.
  • a sleeve-shaped crimp section (in the pressed state) is preferably provided.
  • a sleeve-shaped crimping section or a crimping section that is completely closed along the circumference in the pressed state is, however, not absolutely necessary.
  • the crimping section preferably extends coaxially to an axis of symmetry of the electrical cable received in the crimping section.
  • the crimping section can be designed to be pressed directly or indirectly onto the cable.
  • the crimping section can be crimped on a support sleeve, which in turn can be crimped or pressed with the cable.
  • the crimping section and / or the support sleeve are preferably pressed or crimped onto an exposed outer conductor of the cable, in particular a braided cable shield.
  • the outer conductor or the cable shielding braid of the cable can in particular also be folded back over the support sleeve in order to provide a mechanically and electrically particularly high-quality connection of the outer conductor contact element to the outer conductor of the electrical cable.
  • the crimping section and / or the support sleeve can, however, also be pressed or crimped at least in some areas onto a cable jacket of the cable or another cable component of the cable.
  • the outer conductor contact element also has a sleeve-shaped contact section with a free end that is open at the end for establishing a connection with a corresponding mating connector.
  • a departure angle is formed between a first longitudinal axis of the contact section (preferably a central axis of the contact section) and a second longitudinal axis of the crimping section.
  • the contact section is designed for direct or indirect connection to the corresponding mating connector.
  • the exit angle of the angled connector equipped with the outer conductor contact element preferably corresponds to the exit angle between the first longitudinal axis of the contact section and the second longitudinal axis of the crimping section.
  • the contact section faces the mating connector with its free end (when the mating connector is connected to the angled connector).
  • the crimping section faces the cable with its free end (when the cable is received in the crimping section).
  • the crimping section can also be referred to as the “cable-side” component of the outer conductor contact element and the contact section as the “plug-side” component of the outer conductor contact element.
  • the outer conductor contact element also has a trough-shaped transition region which, starting from the crimping section, extends along the second longitudinal axis of the crimping section as far as the contact section.
  • the transition area is thus formed at least between the crimping section and the contact section.
  • the crimping section and / or the contact section preferably merges directly into the transition area.
  • the first longitudinal axis of the contact section and the second longitudinal axis of the crimping section preferably intersect within the transition region.
  • An insulating part of the angled connector can preferably be mounted in the transition area.
  • the insulating part can be designed to accommodate at least one inner conductor of the electrical cable and / or at least one inner conductor contact element of the angled connector.
  • the attachment of the at least one inner conductor contact element of the plug connector to the at least one inner conductor of the electrical cable can preferably be provided in the transition region.
  • the crimping section, the contact section and the transition area are formed in one piece from a deep-drawn sheet metal part.
  • the outer conductor contact element can be advantageous to form the outer conductor contact element with its individual sections or areas in one piece from a sheet metal part.
  • the inventors have recognized that the usual production of the outer conductor contact element as a stamped and bent part is not suitable for using an outer conductor contact element for use in an angled connector for the transmission of particularly high frequencies.
  • an outer conductor contact element which is formed in one piece from a deep-drawn sheet metal part can be electrically optimized with regard to the seams.
  • the mechanical stability of the proposed deep-drawn outer conductor contact element can also be improved.
  • the transition area has a base plate with a recess, starting from which the contact section extends in the direction of the mating connector.
  • the base plate preferably runs parallel to the second longitudinal axis of the crimping section.
  • the contact section preferably extends, starting from the base plate of the transition area, in the manner of a drainage opening.
  • the transition area on the side of the base plate facing away from the contact section has two mutually opposite side walls, each connected to the base plate, which merge directly into the crimping section.
  • the side walls lying opposite one another preferably run parallel to one another. Particularly preferably, the side walls also run parallel to the second longitudinal axis of the crimping section.
  • the side walls extend orthogonally upwards, starting from the base plate.
  • an angle other than 90 ° can also be provided, along which the side walls extend starting from the base plate; in particular, the side walls can each run inclined outwards.
  • the transition area has at least one shielding flap formed on the side of the base plate facing away from the contact section.
  • the at least one shielding flap preferably extends starting from a respective side wall of the transition area.
  • the at least one shielding flap can, starting from an open pre-assembly state, in which an interior of the transition area is accessible in the direction of the side of the base plate facing away from the contact section, can be bent into a closed assembly state in which the at least one shielding flap has a circumferential electromagnetic cross-section Provides shielding in the transition area.
  • the at least one shielding flap is preferably curved outward in its open pre-assembly state.
  • the assembly of further connector components of the connector which are to be arranged within the outer conductor contact element, can be significantly simplified by the at least one shielding flap.
  • the assembly of an insulating part for example, has to take place during the manufacture of the stamped and bent part, since subsequent insertion into the finished stamped and bent part is no longer possible due to the exit angle "Rear" (ie facing away from the contact section) opening of the outer conductor contact element in the transition area, the assembly can be carried out easily and precisely during the final assembly of the angled connector.
  • the shielding flaps being able to be bent towards one another to provide the circumferential electromagnetic shielding, starting from the respective pre-assembly state up to the respective assembly state.
  • the use of exactly two shielding flaps has proven to be particularly advantageous.
  • the accessibility of an interior space of the outer conductor contact element for assembly can be facilitated. Due to the symmetry, the electrical properties of the fully assembled outer conductor contact element can also be improved.
  • the shielding flaps in the assembled state overlap one another at a seam or are pressed together in such a way that a wedge-shaped seam is formed.
  • the shielding flaps can each be designed with an "excess length" in order to cause an overlap or a wedge-shaped or bead-like material distortion during pressing.
  • the bending or pressing process when pressing the crimping section and the bending of the shielding flaps is preferably carried out with such a pressing force that the shielding flaps are each plastically deformed in the area of the axial seam and / or the end wall of the transition area.
  • a virtually gap-free or seamless transition between the two shielding flaps and / or the end wall can thus be provided.
  • the at least one shielding flap has a semicircular or semi-elliptical profile in its assembled state.
  • the transition area together with the base plate, viewed in cross section can form a substantially semicircular or semi-elliptical geometry (preferably a self-contained geometry) when the at least one shielding flap is in its assembled state.
  • a semicircular or semi-elliptical course of the shielding flaps has proven to be particularly suitable for reasons of stability and to save installation space.
  • the transition area has an end wall at an end opposite the free end of the crimping section along the second longitudinal axis of the crimping section to provide an end face electromagnetic shield.
  • the end wall is preferably directly connected to the base plate or merges into the base plate.
  • the end wall can extend orthogonally to the base plate, but in principle also extend at an angle other than 90 ° starting from the base plate.
  • the end wall is formed in one piece with the crimping section, the contact section and the transition region.
  • the end wall extends from the side of the base plate facing away from the contact section.
  • the end wall preferably also merges directly into the side walls of the transition area.
  • the end wall can preferably be in its final position and orientation immediately after the deep-drawing process.
  • the end wall forms a completely closed surface.
  • the end wall is not designed in the manner of bendable tabs and thus does not have any seams for optimized electromagnetic shielding.
  • the end wall forms a support surface for the at least one shielding flap in the assembled state of the at least one shielding flap.
  • the support surface is formed in particular on the upper side of the end wall or on the end of the end wall protruding upward and facing away from the base plate.
  • the electromagnetic shielding by the end wall can be optimized.
  • the end of the end wall facing away from the base plate or the ("upper") end that forms the contact surface has a convex profile between the two side walls.
  • the height profile or the profile of the upper end of the end wall preferably follows the internal cross-sectional geometry of the at least one shielding flap when the shielding flap is in its assembled state.
  • the at least one shielding flap can rest optimally on the support surface of the end wall.
  • the bearing surface of the end wall has at least one hump-like elevation, around which one of the shielding flaps can be bent.
  • the at least one shielding flap bends back slightly or springs back again after it has been bent into its assembled state due to a basic elasticity inherent in the material. In this way, in particular an axial gap running between two shielding flaps or an axial seam between the shielding flaps can be widened.
  • a hump-like elevation on the contact surface of the end wall can counteract the springing back of the shielding flaps.
  • the punctual, hump-like elevation can optimize the plastic deformation by making a punctual kink in the shielding flap.
  • the crimp section has at least one crimp tab.
  • the at least one crimp tab can be pressed on the cable until an assembly state is reached in which the at least one crimp tab forms a circumferential compression on the cable when viewed in cross section.
  • crimp section with one or more crimp tabs is known in principle and has proven itself for use with external conductor contact elements.
  • two opposite crimp tabs can be provided, the crimp tabs being able to be bent towards one another for a circumferential pressing, starting from the respective pre-assembly state up to the respective assembly state.
  • crimp tabs can be provided and arranged distributed along the second longitudinal axis of the crimp section.
  • precisely two crimp tabs opposite one another are provided in order to reduce the number of seams or transitions in the outer conductor contact element.
  • the crimping tabs have a mutual toothing that engages one another in the assembled state of the crimping tabs.
  • the shielding flaps have a mutual toothing which engages in one another in the assembled state of the shielding flaps.
  • the shielding flaps do not have any mutual interlocking.
  • the crimping section preferably has an essentially round cross section when the at least one crimping tab is in its assembled state.
  • the contact section has a round cross section or an elliptical cross section.
  • cross-sections can also be provided, for example any oval or rectangular cross-sections, in particular a square cross-section.
  • the use of a round or elliptical cross section has, however, been found to be particularly suitable.
  • the contact section has a seamlessly closed cross section.
  • the electrical properties and the mechanical stability of the outer conductor contact element can be significantly improved. This is not possible when the outer conductor contact element is manufactured as a stamped and bent part.
  • the exit angle is 90 °.
  • angled plug-in connectors or outer conductor contact elements with outgoing angles other than 90 ° can also be provided.
  • the exit angle of the outer conductor contact element can thus in principle be arbitrary.
  • the departure angle can be 20 ° to 90 °, 30 ° to 90 °, 40 ° to 90 °, 45 °, 50 ° to 90 °, 60 ° to 90 °, 70 ° to 90 ° or 80 ° to 90 °.
  • the outer conductor contact element has a contact sleeve that can be mounted on or in the contact section (preferably a coaxially mountable contact sleeve), which has an interface in the area of its free end for connection to a corresponding outer conductor part of the mating connector.
  • the use of a contact sleeve can be advantageous, since then a universal connection to different mating connectors with different mechanical interfaces is made possible.
  • the angle connector can then be easily or modularly adaptable.
  • the contact sleeve can in particular be pressable in the contact section.
  • the contact sleeve can, for example, have a spring cage and / or latching elements for latching with the corresponding outer conductor part of the mating connector.
  • the contact sleeve preferably has a linear profile and extends parallel, particularly preferably coaxially, to the first longitudinal axis of the contact section.
  • the contact section in particular in the area of its free end
  • the contact section can also have the interface for connection to the corresponding outer conductor part of the mating connector, for example a spring cage and / or suitable latching elements.
  • An additional contact sleeve is therefore not absolutely necessary.
  • the invention also relates to an angle connector, having an outer conductor contact element according to one of the preceding and following statements.
  • the angled connector can also have further connector components.
  • the angled connector preferably has an insulating part, particularly preferably an insulating part made in one piece from a plastic.
  • the insulating part can be mountable in the outer conductor contact element.
  • the angled connector can also have one or more inner conductor contact elements.
  • the inner conductor contact elements can be connected, preferably crimped or crimped, to at least one corresponding inner conductor of the electrical cable at a first end.
  • the Inner conductor contact elements can be formed at a second end for contacting a corresponding inner conductor part of the mating connector.
  • the at least one inner conductor contact element can be received in the insulating part or guided in the insulating part.
  • the at least one inner conductor contact element is preferably latched in the insulating part.
  • the inner conductor contact element can be formed in one piece or in several pieces.
  • the inner conductor contact element is preferably designed in one piece.
  • the correct assembly of the connector components within the outer conductor contact element for example the correct latching and / or positioning of the insulating part and the at least one inner conductor contact element, can advantageously be checked before the at least one crimp tab and / or the at least one shielding flap are bent into their assembly state.
  • the angled connector can in principle also have further components, for example seals, fastening elements and support sleeves for fastening to the cable.
  • the cable in particular the cable end of the cable received in the outer conductor contact element, can also be viewed within the scope of the invention as part of the outer conductor contact element or the angled connector.
  • the angled connector preferably has exactly one inner conductor contact element for fastening to exactly one inner conductor of the electrical cable.
  • the electrical cable is particularly preferably designed as a coaxial cable.
  • the right-angle connector according to the invention can be used particularly advantageously within a vehicle, in particular a motor vehicle.
  • a vehicle in particular a motor vehicle.
  • Possible areas of application are autonomous driving, driver assistance systems, navigation systems, "infotainment” systems, rear entertainment systems, Internet connections and wireless gigabit (IEEE 802.11 ad standard).
  • Possible applications relate to high-resolution cameras, for example 4K and 8K cameras, sensors, onboard computers, high-resolution screens, high-resolution dashboards, 3D navigation devices and mobile phones.
  • vehicle describes any means of transport, in particular vehicles on land, on water or in the air, including spacecraft.
  • the right-angle connector according to the invention is, however, suitable for any applications within the entire electrical engineering sector and is not to be understood as being restricted to use in vehicle technology.
  • the angled connector is preferably designed as a connector of the FAKRA standard.
  • the electrical right angle connector is not limited to a specific connector type,
  • the invention is particularly suitable for angled connectors for high-frequency technology.
  • it can be angled connector of the PL, BNC, TNC, SMBA (FAKRA), SMA, SMB, SMS, SMC, SMP, BMS, HFM (FAKRA-Mini), H-MTD, BMK, Mini-Coax or MATE standard -AX trade.
  • the invention can also be particularly advantageously suitable for forming an H-MTD angled connector.
  • the invention also relates to a plug connection, having an angled connector according to the preceding and following statements, as well as a mating connector for connection to the angled connector.
  • the invention also relates to a method for producing an angle connector, according to which an outer conductor contact element is deep-drawn from a sheet metal part.
  • the outer conductor contact element is deep drawn in such a way that the outer conductor contact element then has a crimping section for pressing the outer conductor contact element onto an electrical cable, with a free end open at the end for inserting the cable.
  • the deep-drawn outer conductor contact element also has a sleeve-shaped contact section for establishing a connection with a corresponding mating connector, with a free end facing the mating connector, open at the end, an outlet angle being formed between a first longitudinal axis of the contact section and a second longitudinal axis of the crimping section.
  • the deep-drawn outer conductor contact element has a trough-shaped transition region which, starting from the crimping section, extends along the second longitudinal axis of the crimping section up to the contact section.
  • an angle connector suitable for the transmission of high-frequency electrical signals can be manufactured inexpensively and with only a short process time.
  • a contact sleeve is mounted on or in the contact section.
  • the contact sleeve can have an interface for connection to a corresponding outer conductor part of the mating connector.
  • the contact sleeve can in particular be pressed into the contact section.
  • the use of a contact sleeve is not absolutely necessary; for example, the contact section itself can also have an interface for making contact with the outer conductor part of the mating connector.
  • an insulating part and / or at least one inner conductor contact element are inserted into the outer conductor contact element.
  • a pre-assembled electrical cable is inserted with its free end into the outer conductor contact element. After inserting the insulating part and / or the at least one inner conductor contact element, the crimp section can be pressed onto the electrical cable.
  • Shielding flaps arranged in the transition area are preferably still open when the insulating part, the at least one inner conductor contact element and / or the pre-assembled electrical cable are inserted, i.e. H. especially directed vertically upwards.
  • the electrical cable is first freed from a cable sheath at its end provided for connection to the mating connector.
  • a support sleeve can then be pressed or crimped onto an outer conductor of the cable, in particular onto a braided cable shield of the cable.
  • the braided cable shield can be folded back over the support sleeve. It can also be provided to expose an inner conductor of the cable and to fasten an inner conductor contact element of the angled connector to the inner conductor, in particular to press or crimp it. It can then be provided that the inner conductor contact element is pushed into the insulating part and optionally latched into the insulating part.
  • the electrical cable pre-assembled with the insulating part and the at least one inner conductor contact element can finally be inserted into the outer conductor contact element, preferably after the optional contact sleeve has been attached to the contact section.
  • the at least one shielding flap of the transition area is bent from a pre-assembly state to an assembly state in which the at least one shielding flap provides a circumferential electromagnetic shielding in the transition area when viewed in cross section .
  • the shielding flaps can therefore preferably be closed in synchronism with the pressing of the crimped section. This simplifies the assembly process and also further shortens the process time.
  • the crimping section and the at least one shielding flap are pressed or bent using a common pressing tool, in particular crimping pliers.
  • a common pressing tool can further simplify assembly.
  • the crimping section and the at least one shielding flap are pressed or bent over in a controlled manner in order to adapt the impedance of the angled connector for its later use.
  • the right-angle connector can thus advantageously be adaptable during the assembly process.
  • outer conductor of the outer conductor contact element should not be understood to mean that an inner conductor or an inner conductor contact element must also be provided.
  • the invention also relates to an external conductor contact element for an electrical connector, which is independent of claim 1, having a crimping section for pressing the external conductor contact element onto an electrical cable and a contact section for establishing a connection with a corresponding mating connector, with a first longitudinal axis of the contact section and a second longitudinal axis of the Crimping section, an outlet angle is formed, and wherein the crimping section, the contact section and the transition area are formed in one piece from a deep-drawn sheet metal part.
  • FIG. 1 shows an angle connector according to the invention with an insulating housing assembly, an outer conductor contact element and an electrical cable in a perspective illustration;
  • Figure 2 an inventive outer conductor contact element with a crimping section, a
  • FIG. 3 shows the outer conductor contact element of FIG. 2 in a front view of an end wall of the
  • FIG. 4 shows the outer conductor contact element of FIG. 2 in a top view
  • FIG. 5 shows the outer conductor contact element of FIG. 2 in an assembled state in a perspective illustration
  • FIG. 6 shows the outer conductor contact element according to FIG. 5 in a front view of the end wall of the transition area
  • FIG. 7 shows the outer conductor contact element according to FIG. 5 in a sectioned perspective
  • FIG. 8 an enlarged section of section XIII from FIG. 7.
  • FIG. 1 shows a perspective illustration of an exemplary angled connector 1 according to the invention.
  • the angled connector 1 shown is designed in accordance with the FAKRA standard (FAKRA connectors correspond to the standards ISO 20860-1, ISO 20860-2 and USCAR 17 and 18). In principle, however, any angled connector can be provided, in particular also an angled connector of the H-MTD type.
  • FAKRA connectors correspond to the standards ISO 20860-1, ISO 20860-2 and USCAR 17 and 18.
  • any angled connector can be provided, in particular also an angled connector of the H-MTD type.
  • the angled connector 1 has an outer conductor contact element 2 and an inner conductor contact element (not shown) encased by the outer conductor contact element 2.
  • the inner conductor contact element is received in an insulating part, also not shown, and is fastened together with the insulating part in the outer conductor contact element 2.
  • the angled connector 1 For connection to a corresponding mating connector (not shown), the angled connector 1 also has an insulating housing assembly 3, the specific design of which is only to be understood as an example.
  • the angle connector 1 is connected to an electrical cable 4.
  • the electrical cable 4 is inserted "on the cable side" into the outer conductor contact element 2.
  • the invention can be used with any electrical cable, but the electrical cable 4 is particularly preferably designed as a coaxial cable and has a cable sheath 5, an outer conductor 6 running underneath, preferably a cable shielding braid made of interwoven individual wires, one below the outer conductor 6 running dielectric intermediate layer 7 and exactly one inner conductor 8 guided centrally within the intermediate layer 7.
  • the electrical cable 4 is particularly preferably designed as a coaxial cable and has a cable sheath 5, an outer conductor 6 running underneath, preferably a cable shielding braid made of interwoven individual wires, one below the outer conductor 6 running dielectric intermediate layer 7 and exactly one inner conductor 8 guided centrally within the intermediate layer 7.
  • the outer conductor contact element according to the invention is shown in FIGS. 2 to 4 in an open pre-assembly state and in FIGS. 5 to 8 in a closed assembly state, the connector components to be assembled in the outer conductor contact element 2 (in particular the insulating part and the inner conductor contact element) in the figures for complete illustration of the outer conductor contact element 2 are each hidden.
  • the outer conductor contact element 2 has a crimping section 9 for pressing the outer conductor contact element 2 onto the electrical cable 4.
  • the sleeve-shaped crimping section 9 has a free end 10 which is open at the end for receiving the cable 4.
  • the crimping section 9 In order to press the crimping section 9 onto the cable 4, in particular onto the outer conductor 6 or the cable shielding braid of the cable 4 and / or a support sleeve (not shown), the crimping section 9 has two opposite crimp tabs 11. In principle, however, only a single crimp tab 11 can be provided. Starting from an open pre-assembly state (see FIGS. 2 to 4) until an assembly state is reached (see FIGS. 1 and 5 to 8), the crimping tabs 11 can be pressed onto the cable 4, the crimping tabs 11 in their assembled state having an in When viewed in cross section, enable compression around the cable 4 or around its outer conductor 6.
  • the crimping tabs 11 have a mutual toothing which, when the crimping tabs 11 are in the assembled state, mesh with one another, as shown.
  • the outer conductor contact element 2 also has a sleeve-shaped contact section 12 with a free end 13 that is open at the end for establishing a connection with the corresponding mating connector.
  • the contact section 12 has a round cross-section, but can in principle also have a cross-section that deviates therefrom, for example also an elliptical, rectangular, in particular square cross-section.
  • the cross section of the contact section 12 is preferably closed seamlessly.
  • the outer conductor contact element 2 also has a trough-shaped transition region 14 which, starting from the crimping section 9, extends along a second longitudinal axis L2 of the crimping section 9 to the contact section 12. Between a first longitudinal axis Li of the contact section 12 and the second longitudinal axis L2 of the crimping section 9, an outlet angle a is formed (see in particular FIG. 7), which in the exemplary embodiments is 90 °, but can in principle be any - depending on the design of the angled connector 1 .
  • the crimping section 9, the contact section 12 and the transition area 14 are formed in one piece from a deep-drawn sheet metal part. In this way, the electrical and mechanical properties and the production of the outer conductor contact element 2 can be significantly improved compared to the prior art.
  • the transition area 14 has a base plate 15 (cf. in particular FIG. 4 and FIG. 7) with a recess 16, starting from which the contact section 12 extends in the direction of the mating connector.
  • a base plate 15 On the side of the base plate 15 facing away from the contact section 12, two opposite side walls 17, each connected to the base plate 15, also run parallel to one another (cf. in particular FIG. 2 and FIG. 5).
  • the side walls 17 merge directly into the crimping section 9.
  • Two shielding flaps 18 opposite one another are also provided in the transition area 14.
  • the shielding flaps 18 can proceed from an open pre-assembly state (cf. FIGS.
  • the shielding flaps 18 in the closed assembly state providing a circumferential electromagnetic shielding in the transition area 14 when viewed in cross section.
  • the two shielding flaps 18 can be bent towards one another, starting from their pre-assembly state up to the respective assembly state. In principle, only a single shielding flap 18 can also be provided.
  • the shielding flaps 18 extend upwards from the side walls 17 parallel to the first longitudinal axis Li of the contact section 12 and, in contrast to the orthogonally formed side walls 17 in the exemplary embodiment, are curved outward (see FIG. 3).
  • the transition area 14 When the shielding flaps 18 are in their assembled state, the transition area 14, viewed in cross section, forms an essentially semi-elliptical geometry together with the base plate 15 (cf. FIG. 6). In contrast, the crimping section 9 forms an essentially round geometry in its state where it is fitted onto the cable 4.
  • the shielding flaps 18 overlap each other in the assembled state at the seam 19 or are pressed together in such a way that a wedge-shaped seam 19 is formed.
  • a wedge-shaped seam 19 is indicated by dashed lines in FIG.
  • the transition region 14 can have an end wall 21 at an end 20 opposite the free end 10 of the crimping section 9 along the second longitudinal axis L2 of the crimping section 9 to provide an end face electromagnetic shield.
  • the end wall 21 extends from the side of the base plate 15 facing away from the contact section 12 and merges directly into the side walls 17 of the transition region 14.
  • the end wall 21 forms a completely closed surface which, however, can have embossments or depressions and elevations. A seam within the surface of the end wall 21 or the design of the end wall 21 from individual bendable tabs is preferably not provided.
  • the shielding of the external conductor contact element 2 can be significantly improved by means of the proposed end wall 21.
  • the end wall 21 can preferably form a support surface 22 for the shielding flaps 18 (cf. in particular FIGS. 6 to 8).
  • the top The end of the end wall 21 follows a convex course between the two side walls 17 in order to correspond as closely as possible to the geometric course of the closed shielding flaps 18.
  • the shielding flaps 18, starting from their bent, mounted state, can spring back undesirably due to a certain basic elasticity of the material, whereby the axially running seam 19 between the shielding flaps 18 and the distance between the shielding flaps 18 and the end wall 21 disadvantageously increase can.
  • the bearing surface 22 of the end wall 21 preferably has at least one hump-like elevation 23 (see, for example, FIG. 6) around which one of the shielding flaps 18 can be bent.
  • the outer conductor contact element 2 additionally has a contact sleeve 24 that can be mounted on or in the contact section 12, preferably coaxially.
  • the contact sleeve 24 can have an interface in the area of its free end for connection to the corresponding outer conductor part of the mating connector.
  • a corresponding contact sleeve 24 is indicated by dashed lines in FIG. 3 by way of example.
  • the contact section 12 itself already has the interface for connection to the outer conductor part of the mating connector.
  • outer conductor contact element 2 As already mentioned, it is proposed to deep-draw the outer conductor contact element 2 from a sheet metal part in order to produce the angled connector 1.
  • the state of the outer conductor contact element 2 after the deep-drawing process is shown by way of example in FIG.
  • a plurality of outer conductor contact elements 2 can preferably be connected via a common carrier strip 25 for easier transport or to simplify subsequent assembly processes.
  • the electrical cable 4 can first be pre-assembled with the inner conductor contact element and optionally the insulating part and then inserted into the outer conductor contact element 2, which is still in its pre-assembled state.
  • the crimping section 9 can then be pressed onto the electrical cable 4 or onto a support sleeve of the electrical cable 4, preferably simultaneously with the bending of the shielding flaps 18.
  • a common pressing tool in particular crimping pliers, can be used if necessary.
  • the crimping section 9 and the shielding flaps 18 can in particular be pressed or bent over in a controlled manner in order to adapt the impedance of the angle connector 1 for its later use during the assembly process.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne un élément de contact à conducteur externe (2) pour un connecteur à fiche à angle droit (1). Le connecteur à fiche à angle droit (1) présente une partie de sertissage (9) pour presser l'élément de contact à conducteur externe (2) sur un câble électrique (4), ladite partie de sertissage (9) ayant une extrémité libre (10), qui est ouverte au niveau du côté extrémité, pour recevoir le câble (4). Le connecteur à fiche à angle droit (1) comprend en outre une partie de contact en forme de manchon (12) ayant une extrémité libre (13), qui est ouverte sur le côté extrémité, pour établir une liaison avec un connecteur à fiche homologue correspondant, un angle de sortie (α) étant formé entre un premier axe longitudinal (L1) de la partie de contact (12) et un second axe longitudinal (L2) de la partie de sertissage (9). Le connecteur à fiche à angle droit (1) comprend également une région de transition en forme de cuve (14) qui, à partir de la partie de sertissage (9), s'étend le long du second axe longitudinal (L2) de la partie de sertissage (9) jusqu'à la partie de contact (12). La partie de sertissage (9), la partie de contact (12) et la région de transition (14) sont formées d'une seule pièce à partir d'une pièce en tôle d'emboutissage profond découpée.
EP21735875.3A 2020-07-03 2021-06-17 Élément de contact à conducteur externe, connecteur à fiche à angle droit et procédé de production d'un connecteur à fiche à angle droit Active EP4176490B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020117663.5A DE102020117663A1 (de) 2020-07-03 2020-07-03 Außenleiterkontaktelement, Winkelsteckverbinder und Verfahren zur Herstellung eines Winkelsteckverbinders
PCT/EP2021/066389 WO2022002611A1 (fr) 2020-07-03 2021-06-17 Élément de contact à conducteur externe, connecteur à fiche à angle droit et procédé de production d'un connecteur à fiche à angle droit

Publications (3)

Publication Number Publication Date
EP4176490A1 true EP4176490A1 (fr) 2023-05-10
EP4176490B1 EP4176490B1 (fr) 2024-10-09
EP4176490C0 EP4176490C0 (fr) 2024-10-09

Family

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EP21735875.3A Active EP4176490B1 (fr) 2020-07-03 2021-06-17 Élément de contact à conducteur externe, connecteur à fiche à angle droit et procédé de production d'un connecteur à fiche à angle droit

Country Status (5)

Country Link
US (1) US20230291130A1 (fr)
EP (1) EP4176490B1 (fr)
CN (1) CN115836444A (fr)
DE (1) DE102020117663A1 (fr)
WO (1) WO2022002611A1 (fr)

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EP4475341A1 (fr) * 2023-06-05 2024-12-11 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Élément de contact de conducteur extérieur

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Also Published As

Publication number Publication date
WO2022002611A1 (fr) 2022-01-06
DE102020117663A1 (de) 2022-01-05
CN115836444A (zh) 2023-03-21
EP4176490B1 (fr) 2024-10-09
EP4176490C0 (fr) 2024-10-09
US20230291130A1 (en) 2023-09-14

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