EP3930112A1 - Connecteur enfichable électrique et procédé de montage d'un connecteur enfichable électrique - Google Patents

Connecteur enfichable électrique et procédé de montage d'un connecteur enfichable électrique Download PDF

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Publication number
EP3930112A1
EP3930112A1 EP20181899.4A EP20181899A EP3930112A1 EP 3930112 A1 EP3930112 A1 EP 3930112A1 EP 20181899 A EP20181899 A EP 20181899A EP 3930112 A1 EP3930112 A1 EP 3930112A1
Authority
EP
European Patent Office
Prior art keywords
assembly
fastening
outer conductor
housing assembly
along
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.)
Pending
Application number
EP20181899.4A
Other languages
German (de)
English (en)
Inventor
Willem Blakborn
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
Priority to EP20181899.4A priority Critical patent/EP3930112A1/fr
Priority to US17/353,215 priority patent/US11677189B2/en
Priority to CN202110697234.6A priority patent/CN113839248A/zh
Publication of EP3930112A1 publication Critical patent/EP3930112A1/fr
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • 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
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/50—Bases; Cases formed as an integral body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • 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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • 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
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members

Definitions

  • the invention relates to an electrical connector, having an electrically insulating housing assembly and an outer conductor assembly connected to the housing assembly in a form-fitting manner, according to the preamble of claim 1.
  • the invention also relates to a method for assembling an electrical connector, according to which an electrically insulating housing assembly of the connector is positively connected to an outer conductor assembly of the connector, according to the preamble of claim 15.
  • electrical connectors are known from electrical engineering. As is known, electrical connectors are used to transmit electrical supply signals and / or data signals to corresponding mating connectors.
  • a plug connector or mating plug connector can in particular 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.
  • An electrical connector often has an electrically insulating housing assembly and an outer conductor assembly that is mechanically connected to the housing assembly.
  • the type of fastening between the housing assembly and the outer conductor assembly defines in a not inconsiderable way the robustness, the size, the weight and the effort required to manufacture and assemble the entire connector.
  • the attachment between the housing assembly and the outer conductor assembly often takes place by means of a so-called interference fit or "press fit”.
  • mounting claws can be provided on the outer conductor assembly which drill into a plastic housing assembly. Both techniques ultimately result in damage to the housing assembly, which in particular can negatively affect the service life of the connector.
  • a connector equipped with such fastening tabs can generally tolerate greater tensile forces than a connector equipped with spring tabs and locking recesses. Nevertheless, there is a need to further improve the fastening technology based on bendable fastening tabs and, in particular, to make it available for use with an alternative connector structure.
  • the object of the present invention is therefore to provide an electrical connector which is particularly robust and durable and can preferably be manufactured economically in the context of mass production.
  • the present invention is also based on the object of providing a method for assembling an electrical plug connector in order to produce particularly robust and durable plug connectors, preferably in the context of mass production, economically.
  • the object is achieved for the electrical connector with the features listed in claim 1. With regard to the method, the object is achieved by the features of claim 15.
  • An electrical connector having an electrically insulating housing assembly and an outer conductor assembly connected to the housing assembly in a form-fitting manner.
  • the outer conductor assembly has at least one fastening strap that can be bent over from a basic state into a fastening state.
  • the electrically insulating housing assembly is preferably made in one piece, but can optionally also be made in several parts.
  • the housing assembly can optionally have seals and / or fastening elements, for example.
  • the housing assembly is preferably formed exclusively from an electrically insulating material.
  • the housing assembly can also have electrically conductive components, for example connecting elements for connecting the connector to an electrical circuit board or to a corresponding mating connector, for example spring tabs, screw elements and / or latching elements.
  • the housing assembly can be formed partially, essentially or preferably completely from a plastic.
  • the outer conductor assembly is preferably made in one piece, but can optionally also be made in several parts.
  • the outer conductor assembly can, for example, have a separate spring cage for connection to the outer conductor of a corresponding mating connector or separate connection elements for connection to an electrical assembly, for example a printed circuit board.
  • the outer conductor assembly is preferably formed entirely from an electrically conductive material. In principle, however, the outer conductor assembly can also have electrically insulating components, for example seals and / or latching elements made of plastic. The outer conductor assembly is preferably designed to electromagnetically shield connector components of the electrical connector.
  • the outer conductor assembly can be formed partially, essentially or preferably completely from a metal, preferably a sheet metal.
  • the electrical connector can also have further connector components.
  • the electrical connector has one or more inner conductor contact elements, which preferably extend through the outer conductor assembly.
  • the electrical Connector has one or more insulating parts made of an electrically insulating material in order to electrically isolate the at least one inner conductor contact element from the outer conductor assembly and to fix it mechanically within the outer conductor assembly.
  • the electrical connector can also have any further components, such as seals or fastening elements for fastening to an electrical assembly (e.g. a cable or a printed circuit board).
  • the outer conductor assembly is received in the housing assembly.
  • the outer conductor assembly is received in the housing assembly in such a way that a relative movement between the outer conductor assembly and the housing assembly is positively blocked along a first degree of translational freedom and / or along a second degree of freedom of translation.
  • the outer conductor assembly is received in the housing assembly in such a way that an orientation between the outer conductor assembly and the housing assembly is blocked in a form-fitting manner along a first degree of freedom of rotation and / or along a second degree of freedom of rotation and / or along a third degree of freedom of rotation.
  • the outer conductor assembly is thus at least partially inserted into the housing assembly or enclosed by the housing assembly on at least two opposite sides, preferably completely enclosed along the circumference.
  • the outer conductor assembly can thus be introduced into the housing assembly by an assembly movement that runs along a third degree of translational freedom.
  • the inner wall of the housing assembly is then able to block a movement of the outer conductor assembly relative to the housing assembly at least along a first degree of translational freedom, and preferably also along a second degree of translational freedom.
  • a corresponding plug connector can be particularly robust and durable, since if there is damage from the outside, only the housing assembly is initially damaged and the function of the outer conductor or the outer conductor assembly and thus the electrical usability of the connector are preserved remains. For example, if the connector is damaged, the interface or the interface for connection to the mating connector can be damaged; the probability of a short circuit or some other malfunction of the electrical connection can, however, be reduced.
  • the connector is designed such that the at least one fastening tab in the basic state releases the assembly movement for mounting the housing assembly on the outer conductor assembly along the third degree of translational freedom and, in the bent fastening state, the housing assembly on the outer conductor assembly positively at least along the third degree of translational freedom (and optionally also along of the first degree of translational freedom and / or along the second degree of freedom of translation) blocked.
  • the proposed fastening can provide a massive undercut between the housing assembly and the outer conductor assembly.
  • the housing assembly can be secured to a significant extent on the outer conductor assembly, preferably against being pulled out in the plugging direction of a corresponding mating connector or against the plugging direction of a corresponding mating connector.
  • deformation or other damage to the housing assembly such as can be associated with a press fit or the use of claws, for example, can be avoided.
  • a plug connector the outer housing of which is formed by an electrically insulating housing assembly, in which an outer conductor assembly is in turn received, can be combined with a fastening technique based on bendable fastening tabs.
  • a connector according to the invention can be designed to be robust and yet compact, and also be economical to manufacture and assemble.
  • the bending axis, along which the at least one fastening tab can be bent from the basic state into the fastening state runs parallel or at least essentially parallel to the third degree of translational freedom.
  • the prior art has the disadvantage that, in the event of unexpectedly high tensile forces, the fastening tab can be partially bent back again and thus the connection between the housing assembly and the outer conductor assembly can be loosened or even completely released. This problem can be avoided if the bending direction does not take place along the assembly movement or along the third degree of translational freedom, but is preferably aligned orthogonally or at least approximately orthogonally to the assembly movement.
  • an angular alignment of the bending axis relative to the third degree of translational freedom can in principle also be provided, in particular any angle between 0 ° and 90 °, preferably a Angle between 0 ° and 45 °, particularly preferably an angle between 0 ° and 30 °, very particularly preferably an angle between 0 ° and 20 ° and even more preferably an angle between 0 ° and 10 °, for example an angle of 0 ° up to 5 ° or 0 ° to 2 °.
  • fastening tabs can be provided in order to fasten the outer conductor assembly to the housing assembly, for example precisely one fastening tab.
  • the use of at least two fastening tabs can, however, significantly increase the holding force between the housing assembly and the outer conductor assembly, which is why two fastening tabs or more fastening tabs are preferably provided.
  • three fastening straps or more fastening straps, four mounting straps or more mounting straps, five mounting straps or more mounting straps or six mounting straps or even more mounting straps can be provided.
  • the bending axes of all fastening tabs preferably run parallel or at least approximately parallel to one another (where in particular tolerance-related angular deviations or angular deviations between 0 ° and 10 ° can be provided). Basically, they can However, the bending axes of a plurality of fastening straps also differ from one another, in particular be aligned orthogonally to one another.
  • the outer conductor assembly has at least one pair of fastening lugs which is formed from two fastening lugs which are arranged on opposite sides of the outer conductor assembly.
  • pairs of fastening tabs of two fastening tabs which are arranged on opposite sides of the outer conductor assembly, can lead to a particularly stable connector, which in particular can also have a high resistance to transverse forces.
  • any number of pairs of fastening tabs can be provided. It has been shown, however, that a single pair of fastening tabs can be sufficient to provide a sufficiently robust fastening. If necessary, however, two pairs of fastening tabs or more pairs of fastening tabs, three pairs of fastening tabs or more pairs of fastening tabs or four pairs of fastening tabs or even more pairs of fastening tabs can be provided.
  • a single further fastening tab can also be provided, for example (or several further, individual fastening tabs).
  • the bending axes of the fastening tabs of a common pair of fastening tabs are particularly preferably aligned parallel to one another or at least essentially parallel to one another (in particular, tolerance-related angular deviations or angular deviations between 0 ° and 10 ° can be provided).
  • the fastening straps of a common pair of fastening straps can be bent towards one another, starting from their respective basic state in order to achieve their respective fastening state (with their free ends).
  • the fastening tabs of a common pair of fastening tabs can preferably be designed to encompass a section of the housing assembly between the two fastening tabs in a “clamp-like” manner. This can lead to a particularly stable and secure attachment.
  • fastening tabs of a common pair of fastening tabs can be bent away from one another, starting from their respective basic state to achieve their respective fastening state (with their free ends), or can be bent at any angle relative to one another, for example also orthogonally to one another.
  • fastening tabs of a common pair of fastening tabs are arranged at the same axial position along the longitudinal axis of the outer conductor assembly.
  • the fastening tabs of a common pair of fastening tabs can thus be arranged directly opposite one another. Due to this "symmetry" or the fastening tabs arranged directly opposite one another, the fastening can be even more stable.
  • fastening tabs of a common pair of fastening tabs are arranged axially offset from one another along the longitudinal axis of the outer conductor assembly, for example in such a way that the fastening tabs, if they are designed to be bent towards one another, in their bent-over fastening state next to one another, preferably directly adjacent to one another, run along the surface of the housing assembly.
  • the fastening tabs can then optionally support one another in order to jointly dissipate the forces loading the connector, and the individual fastening tabs can still be simply bent over during assembly without the fitter having to exert a disproportionate amount of force.
  • the housing assembly has at least one fastening edge which, when the outer conductor assembly is in the housing assembly is received, is preferably completely received, is positioned in the housing assembly in such a way that at least one of the fastening tabs in its fastening state is able to positively engage behind the fastening edge to block the third degree of translational freedom.
  • the housing assembly has at least one first stop surface which, when the outer conductor assembly is in the housing assembly and the at least one fastening tab is in its fastening state, a displacement of the outer conductor assembly opposite to the assembly movement against the assembly movement in a form-fitting manner along the third degree of translational freedom blocked.
  • the first stop can be formed by one or more pins or pins, each with a round cross section, on which the at least one fastening tab abuts positively in its fastening state.
  • the housing assembly can in principle have any number of first stop surfaces and / or fastening edges, in particular also only precisely one single first stop surface or fastening edge. For example, two first stop surfaces / fastening edges or more first stop surfaces / fastening edges, three first stop surfaces / fastening edges or more first stop surfaces / fastening edges, four first stop surfaces / fastening edges or more first stop surfaces / fastening edges, five first stop surfaces / fastening edges or more first stop surfaces / Fastening edges or six first stop surfaces / fastening edges or even more first stop surfaces / fastening edges can be provided.
  • the number of first stop surfaces and / or fastening edges can correspond to the number of fastening tabs, wherein each first stop surface / fastening edge can be assigned to a corresponding fastening tab.
  • the number of first stop surfaces / fastening edges is preferably smaller than the number of fastening tabs, with at least two fastening tabs, preferably the two fastening tabs of a common pair of fastening tabs, each capable of engaging behind a common first stop surface and / or fastening edge.
  • the fastening edge of the housing assembly is formed on a fastening groove and / or on a fastening web.
  • a recess in the housing assembly for forming a fastening edge can also be provided.
  • the at least one first stop surface of the housing assembly is formed on a side wall of a fastening groove, on a side wall of a fastening web and / or by a step within a recess.
  • the fastening edge or the first stop surface in particular a fastening edge or first stop surface formed by the fastening web, can preferably be arranged along the longitudinal axis adjacent to one of the two ends of the housing assembly.
  • the fastening edge / first stop surface can, however, also be arranged in a central section of the housing assembly.
  • a particularly stable fastening can be provided if the fastening takes place in the area of at least one of the two ends of the housing assembly.
  • the housing assembly has at least one second stop surface which forms an end stop for the insertion of the outer conductor assembly into the housing assembly along the assembly movement.
  • the second stop surface can, for example, block further insertion of the outer conductor assembly by blocking the displacement path for the at least one fastening tab or for another component of the outer conductor assembly or for another section of the outer conductor assembly along the assembly movement.
  • the second stop surface can for example be formed directly through one of the side walls of the housing assembly, preferably through the side wall of the housing assembly in which the insert for inserting the outer conductor assembly is formed.
  • the housing assembly has at least one bevel, along which at least one of the fastening tabs can be bent over from the basic state into the fastening state.
  • the bending over of the fastening tabs can be carried out in a particularly defined and gentle manner along the bevel.
  • an intended plug-in direction, along which the electrical connector can be connected to a corresponding mating connector is aligned parallel to the third degree of translational freedom.
  • the proposed fastening technology can provide a particularly robust connector, especially when the fastening tabs primarily force forces along the assembly movement or along the third Degree of translational freedom and at the same time be able to accommodate along the mating direction.
  • an intended plug-in direction along which the electrical connector can be connected to a corresponding mating connector, is oriented orthogonally or along some other angle to the third degree of translational freedom.
  • the assembly movement can therefore also deviate from the plug-in direction if necessary.
  • the housing assembly has a mechanical interface for connecting the electrical connector to a corresponding mating connector.
  • the housing assembly preferably has the mechanical interface for the connection of the electrical connector with the corresponding mating connector along its longitudinal axis at a first (front) end.
  • the mechanical interface can have means for mechanical coding, in particular to ensure correct alignment of the connector and the mating connector and / or to ensure that only approved mating connectors can be connected to the connector.
  • the mechanical interface can have latching means for latching between the connector and the mating connector.
  • the mechanical interface can have one or more seals.
  • the outer conductor assembly protrudes from the housing assembly with an end section at a second (rear) end of the housing assembly opposite the mechanical interface.
  • an electrical assembly e.g. a cable or an electrical circuit board
  • At least one of the fastening tabs (preferably all of the fastening tabs) is preferably formed in the end section protruding from the housing assembly.
  • An arrangement of the fastening tabs in the end section protruding from the housing assembly can be advantageous in order to facilitate the accessibility of the fastening tabs during assembly. Furthermore, the mechanical stability of the fastening can be further improved.
  • the outer conductor assembly has connecting elements for making electrical contact with at least one electrical conductor of an electrical assembly.
  • the outer conductor assembly can preferably be formed in one piece with the connecting elements. However, it can also be provided that the outer conductor assembly and the connecting elements are designed in several parts.
  • connecting elements for making electrical contact with the electrical assembly can be provided, in principle only a single connecting element. However, a plurality of connection elements are preferably provided in order to ensure a particularly low-resistance electrical connection between the electrical assembly and the outer conductor assembly.
  • the connecting elements are designed as contact pins, preferably press-fit pins, for mounting in a metallized hole of the electrical assembly (in particular in a so-called through-hole or a "via" of an electrical circuit board).
  • connection by means of contact pins, in particular press-fit pins (“press fit”), has proven to be particularly suitable for connecting the plug connector to the electrical assembly, in particular a printed circuit board.
  • other connecting elements can also be provided, in particular if the plug connector is to be connected to an electrical conductor of an electrical cable.
  • connecting elements can be provided which are suitable for pressing or crimping or cold welding with a conductor of an electrical cable.
  • the outer conductor assembly is formed from a stamped and bent part.
  • a one-piece production of the outer conductor assembly from a sheet of metal can be particularly suitable for mass production, in particular also for forming the fastening tabs.
  • the housing assembly can optionally be designed to accommodate more than one outer conductor assembly, for example two outer conductor assemblies or more outer conductor assemblies, three outer conductor assemblies or more Outer conductor assemblies, four outer conductor assemblies or even more outer conductor assemblies.
  • the at least one outer conductor assembly is designed to shield several inner conductor contact elements separately from one another.
  • the electrical connector can preferably be designed as an angled connector.
  • the electrical connector can, however, also be designed in a non-angled manner.
  • the electrical connector is preferably designed as a printed circuit board connector (plug or socket) or as a cable connector (plug or coupling).
  • the electrical connector can in particular be designed to provide a modular connector system, for example an H-MTD connector.
  • the electrical connector is not restricted to a specific connector type, the invention being particularly suitable for connectors for high-frequency technology.
  • they can also be connectors of the type PL, BNC, TNC, SMBA (FAKRA), SMA, SMB, SMS, SMC, SMP, BMS, HFM (FAKRA-Mini), BMK, Mini-Coax or MATE-AX .
  • the connector according to the invention can be used particularly advantageously within a vehicle, in particular a motor vehicle.
  • vehicle describes any means of transport, in particular vehicles on land, on water or in the air, including spacecraft.
  • Possible areas of application are autonomous driving, driver assistance systems, navigation systems, "infotainment” systems, rear entertainment systems, Internet connections and wireless gigabit (IEEE 802.11ad standard).
  • Possible applications 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.
  • the connector according to the invention is suitable for any application within the entire electrical engineering sector and is not to be understood as being restricted to use in vehicle technology.
  • the invention also relates to a method for assembling an electrical connector, according to which an electrically insulating housing assembly of the connector is positively connected to an outer conductor assembly of the connector. Provision is made for at least one fastening tab to be bent over from a basic state into a fastening state for the form-fitting connection.
  • the outer conductor assembly is received by the housing assembly in such a way that the housing assembly blocks a relative movement between the outer conductor assembly and the housing assembly in a form-fitting manner along a first degree of translational freedom and / or along a second degree of translational freedom.
  • the housing assembly can be pushed into the housing assembly by means of an assembly movement running along a third degree of translational freedom, while the at least one fastening tab is in its basic state.
  • the at least one fastening tab is bent into its fastening state after the outer conductor assembly has reached the end state in the housing assembly in order to lock the housing assembly on the outer conductor assembly in a form-fitting manner, at least along the third degree of translational freedom.
  • an insulating housing assembly can advantageously be retained on an outer conductor assembly.
  • the housing assembly can preferably first be pushed axially along the plug-in direction of a corresponding mating connector over the outer conductor assembly (or vice versa).
  • An assembly movement orthogonal to the plug-in direction can also be provided.
  • at least one band-shaped section or at least one bendable fastening tab which is arranged at an axial end of the outer conductor assembly running orthogonally to the longitudinal axis of the outer conductor assembly, can preferably be bent.
  • the at least one fastening tab in the bent-over fastening state, can engage in a form-fitting manner or form a form-fitting connection in a preferably hook-shaped, for example L-shaped, extension on the same axial end of the housing assembly.
  • the form fit between the housing assembly and the outer conductor assembly by means of the at least one bendable fastening tab results in a particularly secure fixation between the housing assembly and the outer conductor assembly when the outer conductor assembly is also received by the housing assembly.
  • the invention also relates to an electrical connector, which is independent of claim 1, having an electrically insulating housing assembly and an outer conductor assembly connected to the housing assembly in a form-fitting manner, the outer conductor assembly having at least one fastening tab that can be bent from a basic state into a fastening state, the bending axis along which the fastening tab starting from the basic state can be bent into the fastening state, runs parallel or at least substantially parallel to an assembly movement for mutual assembly of the housing assembly and the outer conductor assembly.
  • Figures 1 and 2 show an electrical connector 1 according to a first embodiment of the invention in a perspective view.
  • Figure 1 shows the electrical connector 1 in a partially assembled and Figure 2 in a fully assembled state, in each case in a view of the rear end of the connector 1 facing away from a corresponding mating connector (not shown).
  • the electrical connector 1 has an electrically insulating housing assembly 2, preferably a one-piece housing assembly 2 made of a plastic, and an outer conductor assembly 3 connected to the housing assembly 2 in a form-fitting manner.
  • the outer conductor assembly 3 is in Figure 3 shown separately.
  • the outer conductor assembly 3 is received in the housing assembly 2.
  • the housing assembly 2 blocks a relative movement between the outer conductor assembly 3 and the housing assembly 2 in a form-fitting manner along a first degree of translational freedom x and along a second degree of translational freedom y (see FIG. 1).
  • the electrical connector 1 is designed, for example, as an angled circuit board connector of the H-MTD type, but can in principle be designed as desired.
  • the electrical connector 1 can also have further connector components, in particular one or more inner conductor contact elements (not shown in the figures) and possibly an insulating part (also not shown) that isolates the inner conductor contact elements from one another and from the outer conductor assembly 3.
  • the housing assembly 2 can have a mechanical interface along the longitudinal axis L at a front, first end 4 for connecting the electrical connector 1 to the corresponding mating connector.
  • the mechanical The interface can in particular have means for mechanical coding and / or for locking with the mating connector.
  • the outer conductor assembly 3 can protrude from the housing assembly 2 with an end section 6 at a rear, second end 5 of the housing assembly 2 opposite the mechanical interface or the first end 4 of the housing assembly 2 when it is received in the housing assembly 2.
  • Connection elements 7 for making electrical contact with at least one electrical conductor of an electrical assembly or printed circuit board can preferably be provided on said end section 6.
  • the connecting elements are designed as contact pins, in particular as press-fit pins 7, in different configurations and can be accommodated for assembly in a metallized hole of the electrical assembly, in particular in a through-hole connection of a printed circuit board.
  • the outer conductor assembly 3 can preferably be formed from a stamped and bent part.
  • the outer conductor assembly 3 has in the exemplary embodiments Figures 1 to 7 and 9 two bendable fastening tabs 8.
  • any number of fastening tabs 8 can be provided, for example only a single fastening tab 8 (cf. exemplary embodiments of FIG Figures 8 and 10 ).
  • the use of at least two fastening tabs 8 has proven to be particularly advantageous for providing a robust fastening.
  • the fastening tab 8 In its basic state, the fastening tab 8 initially releases an assembly movement M for assembling the housing assembly 2 on the outer conductor assembly 3 along a third degree of translational freedom z (cf. in particular Figure 1 ). The outer conductor assembly 3 can thus be pushed into the housing assembly 2 along the third degree of translational freedom z, as long as the at least one fastening tab 8 is still in its basic state.
  • the at least one fastening tab 8 in its bent-over fastening state blocks the housing assembly 2 on the outer conductor assembly 3 in a form-fitting manner, at least along the third degree of translational freedom z, for example in FIG Figure 2 and 7th shown.
  • the at least one fastening tab 8 blocked in its bent fastening state a relative movement between the outer conductor assembly 3 and the housing assembly 2 along all three degrees of translational freedom x, y, z.
  • a particularly stable or robust fastening option can be provided if the respective bending axis B, along which the fastening tab 8 can be bent from the basic state into the fastening state, runs parallel or at least essentially parallel to the third degree of translational freedom z, as in all of them Embodiments of the Figures 1 to 9 is shown.
  • the bending axis B runs along an angle, in particular orthogonally, to the third degree of translational freedom z, which will be explained below on the basis of the exemplary embodiment in FIG Figure 10 is described.
  • the outer conductor assembly 3 has at least one pair of fastening lugs 9 (cf. Figure 3 ), which is formed from two fastening tabs 8 which are arranged on opposite sides of the outer conductor assembly 3.
  • the fastening tabs 8 of the common pair of fastening tabs 9 can be bent towards one another with their free ends starting from their respective basic state in order to achieve their respective fastening state (cf. for example the in Figure 4 intermediate state shown).
  • the housing assembly 2 has at least one first stop surface 10 (exactly one first stop surface 10 in the exemplary embodiments).
  • first stop surface 10 blocks a displacement of the outer conductor assembly 3 counter to the assembly direction.
  • the first stop surface 10 of the housing assembly 2 is in the exemplary embodiments Figures 1 to 9 formed on a side wall of a fastening web 11 facing the mating connector (cf. in particular Figure 5 ).
  • the first stop surface 10 can, however, also be formed on a side wall of a fastening groove, in or behind a recess or as another surface. In Figure 10 the first stop surface 10 is formed, for example, by a step within a recess 13.
  • the fastening tabs 8 in the exemplary embodiments are arranged in the end section 6 of the outer conductor assembly 3 protruding from the housing assembly 2.
  • the Figures 5 to 7 show a method for assembling the electrical connector 1 in several assembly steps.
  • the housing assembly 2 of the connector 1 can be connected to the outer conductor assembly 3 of the connector 1 in a form-fitting manner.
  • the outer conductor assembly 3 can be pushed into the housing assembly 2 by means of an assembly movement M running along a third degree of translational freedom z, as can be seen from a comparison between the Figures 5 and 6 results.
  • the at least one fastening tab 8 can then be bent over from its basic state into its fastening state, as can be seen in particular from a comparison of FIG Figures 6 and 7th results.
  • the housing assembly 2 has at least one second stop surface 10 ′.
  • the second stop surface 10 ′ is provided in the side wall of the housing assembly 2, in which the insert for the outer conductor assembly 2 is formed.
  • the second stop surface 10 'blocks the outer conductor assembly 3 via its fastening tabs 8.
  • the second stop surface 10 'blocks the outer conductor assembly 3 directly via the outer surface of the outer conductor assembly 3 facing the second stop surface 10'.
  • the housing assembly 2 can have at least one bevel 12, along which at least one of the fastening tabs 8 is bent from the basic state into the fastening state (cf. in particular Figure 5 ).
  • fastening tabs 8 can be provided, for example also just a single fastening tab 8, as exemplified in FIG Figure 8 is indicated.
  • fastening tabs 8 for fastening the housing assembly 2 and the Outer conductor assembly 3 can be provided in the area of the front, first end 4 of the housing assembly 2 and / or in a central section of the housing assembly 2.
  • the fastening tabs 8 of a common pair of fastening tabs 9 are preferably arranged at the same axial position along the longitudinal axis L of the outer conductor assembly 3, as in the exemplary embodiment of FIG Figures 1 to 7 shown.
  • an axial offset can also be provided between the fastening tabs 8, for example an offset as in FIG Figure 9 indicated. It can thus be provided that the fastening tabs 8 of a common fastening tab pair 9 are axially supported on one another, which can reinforce the fastening without significantly increasing the force required by a fitter to bend the fastening tabs 8.
  • the electrical connector 1 is designed in such a way that the intended plug-in direction S (cf. Figure 1 ), along which the electrical connector 1 can be connected to the corresponding mating connector, is aligned parallel to the third degree of translational freedom z. In this way, a particularly robust electrical connector 1 can be provided.
  • the assembly movement M deviates from the insertion direction S, as in FIG Figure 10 shown.
  • the outer conductor assembly 3 can then, for example, be pushed into the housing assembly 2 orthogonally to the plug-in direction S.
  • At least one fastening tab 8 (only a single fastening tab 8 is shown as an example in FIG. 10) can then be bent over into its fastening state.
  • the fastening tab 8 can for example be passed through a recess 13 in the housing assembly 2 and then bent over a fastening edge of a step formed in the recess 13 in order to form the already described form fit with the stop surface 10 formed by the step.
  • the electrical plug connector 1 shown can preferably have further fastening means, in particular fastening tabs 8, in the region of the front, first end 4 and / or the central section of the housing assembly 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP20181899.4A 2020-06-24 2020-06-24 Connecteur enfichable électrique et procédé de montage d'un connecteur enfichable électrique Pending EP3930112A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20181899.4A EP3930112A1 (fr) 2020-06-24 2020-06-24 Connecteur enfichable électrique et procédé de montage d'un connecteur enfichable électrique
US17/353,215 US11677189B2 (en) 2020-06-24 2021-06-21 Electrical plug connector and method for assembling an electrical plug connector
CN202110697234.6A CN113839248A (zh) 2020-06-24 2021-06-23 电插头连接器以及用于组装电插头连接器的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20181899.4A EP3930112A1 (fr) 2020-06-24 2020-06-24 Connecteur enfichable électrique et procédé de montage d'un connecteur enfichable électrique

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EP3930112A1 true EP3930112A1 (fr) 2021-12-29

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US (1) US11677189B2 (fr)
EP (1) EP3930112A1 (fr)
CN (1) CN113839248A (fr)

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US20210408730A1 (en) 2021-12-30
US11677189B2 (en) 2023-06-13

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