EP3607619A1 - Système de connecteur enfichable - Google Patents

Système de connecteur enfichable

Info

Publication number
EP3607619A1
EP3607619A1 EP18716207.8A EP18716207A EP3607619A1 EP 3607619 A1 EP3607619 A1 EP 3607619A1 EP 18716207 A EP18716207 A EP 18716207A EP 3607619 A1 EP3607619 A1 EP 3607619A1
Authority
EP
European Patent Office
Prior art keywords
connector
electrical
contact
circuit board
electrical circuit
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
EP18716207.8A
Other languages
German (de)
English (en)
Other versions
EP3607619B1 (fr
Inventor
Johannes Winkler
Johannes Schmid
Gunnar Armbrecht
Rainer BIPPUS
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 EP3607619A1 publication Critical patent/EP3607619A1/fr
Application granted granted Critical
Publication of EP3607619B1 publication Critical patent/EP3607619B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6658—Structural association with built-in electrical component with built-in electronic circuit on printed circuit board
    • 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
    • H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
    • 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
    • H01R13/65912—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable

Definitions

  • the invention relates to a connector system, comprising an electrical connector for connection to at least one electrical line and an electrical circuit.
  • the invention also relates to an electrical connector and an electrical circuit for such a connector system.
  • Connectors for separating and connecting lines are well known and are used in various forms, especially in electrical engineering.
  • a connector may be a plug, a socket, a coupling or an adapter.
  • the connector for connection to at least one cable and / or with at least one printed circuit board also called “Printed Circuit Board”, called PCB
  • PCB printed circuit Board
  • a cable interface usually requires a fanning to meet the geometric requirements of the connector interface.
  • a fan-out area is particularly critical for the transmission of high-frequency signals and can adversely affect the signal quality.
  • the object of the present invention is therefore to provide an improved connector system in which an adaptation of the interconnection is even easier than with the current state of the art.
  • the connector system comprises an electrical connector for connection to at least one electrical line and an electrical circuit.
  • the electrical circuit preferably has at least one electrical component.
  • An electrical line is to be understood as any device for transporting or transmitting electrical energy for data transmission and / or for electrical supply.
  • the electrical line is an electrical cable consisting of a composite of several individual lines.
  • An electrical cable generally has a ground conductor or outer conductor and one or more signal conductors in the form of inner conductors.
  • the electrical line is an electrical line of an electrical device, a further connector or an electrical line on a printed circuit board, for example a microstrip line or a connection to a microstrip line, is.
  • ground conductor can analogously be understood to mean any electrical conductor which leads to a ground potential or another reference potential.
  • signal conductor may analogously be understood to mean any conductor for the transmission of electrical data signals and / or electrical supply signals.
  • the invention will be described below essentially with reference to the connection with an electrical cable. This is not meant to be limiting.
  • the person skilled in the art can easily transfer the terms “cable”, “outer conductor” and “inner conductor” to the more general terms “line”, “ground conductor” and “signal conductor”.
  • the connector may have a housing for receiving the at least one electrical line, for example for receiving an electrical cable.
  • a single cable can be received by the housing.
  • the housing For receiving the at least one cable, it may be advantageous to provide means, known from the prior art, for sealing and / or for catching forces acting on the cable.
  • the housing may be an electrically conductive housing, for example consisting of a metal, or preferably an electrically non-conductive housing, for example consisting of a plastic. Also a mixed form is possible.
  • the use of a plastic housing is usually easier to manufacture and can offer advantages due to the insulating properties, depending on the location, also from an electrical point of view.
  • the electrical connector further comprises at least one input-side contact which can be connected to a signal conductor of the electrical line (eg a cable inner conductor of an electrical cable) and at least one output-side contact which can be electrically connected to a connector inner conductor is.
  • a signal conductor of the electrical line eg a cable inner conductor of an electrical cable
  • at least one output-side contact which can be electrically connected to a connector inner conductor is.
  • the input-side contact of the connector to which the electrical conductor is connected or to which the at least one cable is received with the at least one inner conductor and the output-side contact of the connector are thus basically, that is without further measures and configurations described below , not electrically connected.
  • the at least one input-side contact and the at least one output-side contact are spatially separated from one another.
  • the two contacts can be opposite, ie arranged in a line or axis.
  • the mutually facing ends of the input-side contacts and the output-side contacts are arranged in two mutually opposite, preferably mutually parallel planes.
  • a single-pole connector or a multi-pin connector is used. That is, it may be provided to provide each of an input-side contact and an output-side contact or more than one input-side contact and more than one output-side contact.
  • two to twenty input-side contacts, particularly preferably three to ten input-side contacts and very particularly preferably up to four input-side contacts are provided.
  • the number of output-side contacts is preferably designed analog.
  • the number of signal conductors or cable inner conductors and input-side contacts or the number of connector inner conductors and output-side contacts may also differ. It can z. B. several signal conductor or cable inner conductor are merged on the same input-side contact.
  • the electrical connector further comprises means for shielding, which are electrically connectable to a ground conductor of the at least one electrical line (eg an outer conductor of the at least one cable).
  • the connector has a receptacle for the electrical circuit and a closure element for closing an access opening of the receptacle.
  • the receptacle is preferably arranged such that it spatially separates the at least one input-side contact and the at least one output-side contact or is located between the at least one input-side contact and the at least one output-side contact.
  • the electrical circuit has contact points for contacting at least one input-side contact and at least one output-side contact when the electrical circuit is inserted into the receptacle.
  • the electrical circuit has a transmission possibility from the at least one input-side contact to the at least one output-side contact.
  • the transmission possibilities can be with a plurality of electrical lines or with a plurality Signal conductor individually for each line or for each signal conductor or for each contact or be designed for each signal to be transmitted.
  • the electrical circuit can be inserted between the at least one input-side contact and the at least one output-side contact such that a contact point or contact points of an input-side contact surface of the electrical circuit contact the at least one input-side contact and a contact point or contact points of a Output side contact surface of the electrical circuit (which is preferably parallel to the input-side contact surface and is oppositely oriented) contact the at least one output-side contact.
  • the electrical circuit as a printed circuit board, preferably as a two-sided circuit board (with two PCB layers) or as Multila- genleiterplatte with more than two PCB layers, as a multi-chip module, as a system-in-package , Is designed as a system-on-chip and / or as an integrated circuit.
  • the electrical circuit may be formed in a particularly preferred variant as a printed circuit board with one or more PCB layers, wherein the circuit board, for example, conductor tracks, through-contacts ("vias") and / or electrical components, such.
  • the circuit board for example, conductor tracks, through-contacts ("vias") and / or electrical components, such.
  • the electrical circuit can also be designed as a "system-in-package", wherein one or more microchips are arranged together with at least one further electrical component (eg together with coupling capacitors) within a common chip housing and connected by bonding wires (or otherwise) are connected to one another and / or to the contact points of the electrical circuit. It may also be a so-called “system-on-chip” or a conventional microchip or a single application-specific integrated circuit in a chip housing may be provided with arranged on the chip housing pads to realize the electrical circuit. For simplicity, the invention will be described below essentially by using a printed circuit board as an electrical circuit. This is not to be understood as limiting.
  • the electrical circuit in particular a multilayer printed circuit board, may preferably have a metallization on at least one surface, preferably on all surfaces facing outward.
  • the connector system according to the invention allows the use of a modular connector, which by insertion of a specific electrical circuit, for. B. a circuit board with a desired electronics, for example, signal-improving properties.
  • the functions of the connector can thus be defined by various types of electrical circuits.
  • the connector and the electric wire connected to the connector can be manufactured identically for a variety of applications. Only the electrical circuits have to be individually adapted to the specific application variant. Furthermore, the installation or assembly of the electrical circuit is easily possible. Thus, even a final customer could decide on the variant to be installed or in a simple manner make a change of the variant, for example a functional extension.
  • the connector system described can be advantageously used in particular in the automotive sector.
  • components can be modified quickly and inexpensively, without any intervention in the adjacent electronics is necessary or replacement of an entire cable, a circuit board and / or a device, eg. As a control device would be required.
  • the connector system according to the invention can also be used in the manner of an adapter or adapter plug. It can also be provided that the electrical circuit can be used as a disconnection module for extended functions that can be purchased, for example, by an end user. The connector system can thus be used to form an access authorization system. In one development of the invention it can be provided that the electrical circuit, when this is inserted into the receptacle, is positioned between the at least one input-side contact and the at least one output-side contact.
  • the contacts and / or contact points can be (in each case) all realized with the same type of contact or with different types of contacts. Any combinations are possible.
  • the contact points of the electrical circuit and / or the contacts of the connector as flat contacts and / or sliding contacts and / or pads (also called “pads") and / or spring contacts (eg., Pogo pins ) and / or plug contacts (male or female) are formed.
  • the relaxed length of the springs and / or the distances between the contacts is or are such that contact at least one input-side contact and at least one output-side contact when the electrical circuit is not inserted in the receptacle.
  • the contact pair composed of an input-side contact and an output-side contact in a line opposite one another. It can be provided that, even in the case where the electrical circuit is not inserted in the receptacle, the at least one input-side contact and the at least one output-side contact make contact. The connector system would therefore be useful even in this state, at least as a basic version. It can also be provided that there is no contact without an electrical circuit used. This can, even when forming the contacts as spring contacts, for example by an offset, that is not lying on a line arrangement of the contacts of a contact pair, can be realized.
  • the transmission technology can be optimally adapted to the transmission channel.
  • the signal integrity can then z. B. remain on long lines, in particular an adaptation of the electrical circuit to the channel length and / or the channel type, for example, the cable length and the cable type may be provided.
  • the electrical circuit can also enable a rewiring of the connector.
  • the closure element is formed at least partially of an electrically conductive material and the closure element, when it closes the access opening of the receptacle, electrically contacts the means for shielding the connector.
  • a direct or indirect electrical connection of the closure element with the means for shielding the connector or the ground conductor of the at least one electrical line or with the outer conductor of the at least one cable can advantageously shield the connector and the electrical circuit, for.
  • As a circuit board and possibly further components within the connector improve.
  • the electromagnetic compatibility of the plug connector system can thus be increased. In this case, the largest possible or complete and therefore also low-resistance contacting can be advantageous.
  • the closure element has at least one contact spring which electrically contacts the means for shielding the connector when the closure element closes the access opening of the receptacle.
  • a contact spring has proven to be a particularly secure electrical connection. Regardless of surface roughness, manufacturing tolerances and mechanical and thermal stress on the connector system during operation, this can ensure a defined contact option.
  • the contact spring By using the contact spring, a large tolerance range can be compensated and a "hole" in the shield of the connector system can be avoided at all times.
  • the closure element is made of plastic with an electrically conductive attachment or (preferably completely) made of metal.
  • a conductive attachment is to be understood in particular as meaning a metal sheet or a construction which can be attached, for example clipped or glued, to the side of the closure element facing the inside of the connector.
  • the conductive attachment can preferably be formed integrally with a contact spring. It can also be provided that a contact spring is electrically conductively connected to the conductive attachment or to the metal of the closure element.
  • the contact spring can preferably establish an electrically conductive connection between the means for shielding the connector and the closure element or the attachment when the closure element is inserted into the access opening.
  • the closure element has a seal for sealing the access opening.
  • seal in particular a mechanical seal against contamination and / or protection against the ingress of liquids.
  • This may be a rubbery or foam-like material or the like.
  • the closure element in the housing of the connector and / or in the means for shielding the connector and / or in the recording non-positively and / or cohesively and / or positively fixed, preferably clamped and / or screwed and / or glued and / or soldered.
  • a simple closure element for example in the form of a sheet, may be advantageous.
  • the electrical circuit in particular a printed circuit board, is integrally formed with the closure element. It can thus be provided that after insertion of the electrical circuit or circuit board, the electrical circuit or the circuit board itself closes the access opening of the recording.
  • the electrical circuit has a circuit shield, and that at least one contact element is provided on the means for shielding the connector and / or on the ground conductor of the at least one electrical line and / or on the closure element and / or on the electrical circuit is to electrically contact the circuit shield with the ground conductor of the at least one electrical line when the electrical circuit is inserted into the receptacle.
  • it may also be provided to electrically connect the circuit shield to at least one signal conductor of the at least one electrical line, in particular if a signal conductor carries a defined potential, for example a ground potential, which is suitable for forming a sufficiently good shield.
  • As a shield of the circuit board in addition to the shield by the means for shielding the connector may be advantageous to achieve even better electromagnetic compatibility of the connector system. Even if an electromagnetic leakage of the connector surrounding the electrical circuit should exist, for example due to damage, the sensitive electronics, e.g. As the electronics of a circuit board, shielded.
  • the multilayer circuit board or the multilayer circuit board may have, for example, a circumferential metal surface and edge metallization, preferably copper for forming the circuit shield.
  • the circumferential metallization is a particularly simple and effective way to shield the multilayer printed circuit board or multilayer printed circuit board from electromagnetic radiation. It is intended to exclude the contact points of the continuous metallization, so that they are not in conductive connection with the circuit shield.
  • At least one electrical component is integrated in the electrical circuit, in particular in the printed circuit board, wherein a thermally conductive layer is formed immediately adjacent at least one of the electrical components, and wherein the thermally conductive layer is an electrically insulating polymer Support material, in particular synthetic resin and / or epoxy resin, and further comprises alumina and / or boron nitride.
  • a thermally conductive layer may be provided for cooling electrical components.
  • a thermally conductive layer is arranged between two printed circuit boards.
  • the heat-conductive layer may be foam-like, for example.
  • Foams are artificially produced materials with a cellular structure and low density. Almost all plastics are suitable for foaming. Foam-shaped thermally conductive layers can thus be processed particularly easily in a multilayer circuit board, on a printed circuit board and in / on any electrical circuit and have a favorable effect on the material consumption of the carrier material.
  • Synthetic resin provides a good electrical insulation and can be further processed so that the thermal conductivity increases.
  • synthetic resin is a low-cost material that can be processed with a small number of process steps on an electrical circuit, for. B. on a circuit board with electrical components, can be applied.
  • a combination of epoxy resin and alumina or boron nitride is also suitable. Also suitable is a combination comprising epoxy resin and alumina and boron nitride.
  • the electrical circuit can be formed as a printed circuit board and have only printed conductors and / or plated-through holes, whereby the printed circuit board can only be used for contacting the input-side contacts with the output-side contacts.
  • the connector can be converted from a standard version into a so-called "crossover" version by merely exchanging the printed circuit board.
  • the signals transmitted through the connector are influenced by electrical components.
  • networks consisting of resistors and / or capacitors and / or coils can be constructed in order to adapt the signal or signals to be transmitted specifically to the requirements of the system to be used.
  • Active electrical circuits may also be provided.
  • active and / or passive components of the electrical circuit can be provided for impedance-controlled cable routing.
  • MOSFETs metal oxide semiconductor field effect transistors
  • bipolar transistors can also be used as electrical components or components.
  • amplifiers and / or equalizers can be implemented in the electrical circuit.
  • the circuit board or electrical circuit may also include programmable components such as microprocessors or programmable circuits, such as field programmable gate arrays (FPGAs).
  • the electrical circuit may be configured to detect a cable length of a connected cable and automatically adjust the signal strength and impedance based on the detected cable length.
  • voltage levels and / or characteristic impedances can be adjusted. It can also be provided to change the frequency of a transmitted signal and / or to linearize or suppress transmitted signals.
  • the electrical circuit in particular the printed circuit board, may have any desired geometry, in particular the contact surfaces.
  • the electrical circuit or the printed circuit board preferably has rectangular or round contact surfaces.
  • a contact surface is understood to mean the surfaces of the printed circuit board which have the contact points.
  • the connector for the transmission of electrical signals according to a USB standard, in particular for use in a motor vehicle, is set up.
  • USB 1 .0 or USB 1 .1 or USB 2.0 or USB 3.0 or other even higher standard may be provided.
  • the connector system can be used to transmit data and / or electrical supply signals.
  • the receptacle for the electrical circuit may have a mechanical coding such that only correspondingly mechanically coded electrical circuits, in particular printed circuit boards, are used and / or such that the electrical circuit, ie, for. B. a circuit board, can only be used in one orientation.
  • the connector system may also have multiple receptacles for receiving electrical circuits.
  • the electrical circuit has an input-side interface with at least one input-side contact point to connect the at least one signal conductor of at least one electrical line, wherein the electrical circuit has an output-side interface with at least one output-side contact point, and wherein the transmission possibility is set up, in particular, at least for the impedance control between the input-side interface and the output-side interface, the design of the input-side interface deviating from the embodiment of the output-side interface. It can be provided that the number of input-side contact points and output-side contact points differ from one another.
  • a different configuration of the interfaces can be realized in particular by the respective arrangement of the contact points relative to each other, for example a respective center-to-center distance ("pitch"), the geometric shape of the interfaces or the contact points, the type of contacting and / or the contact material be.
  • the input-side interface and the output-side interface of the electrical circuit each form a contact surface which extend or are arranged orthogonally to the longitudinal axis of the connector.
  • the longitudinal axis of the connector is preferably also the plug-in direction of the connector for connection to a second connector.
  • the longitudinal axis may also extend along a feed axis of the electrical line. However, the supply of the electric line can also take place at any angle, in particular at right angles, to the longitudinal axis.
  • the contact surfaces of the two interfaces are orthogonal to the longitudinal axis of the connector, the contact surfaces can be particularly easily connected to the at least one signal conductor of at least one electrical line and at least one connector inner conductor of the connector.
  • the electrical connection can also provide a particularly high transmission quality in this case, which may be advantageous in particular for high-frequency technology.
  • the electrical connector is formed in two parts, wherein the receptacle for the electrical circuit is disposed on a first part of the connector or a second part of the connector and wherein the first part of the connector with the second part of the connector cohesively, positively and / or non-positively connectable.
  • the two parts of the connector are clipped together.
  • the replacement element to replace the electronics or the functionality of the connector may thus be an electrical circuit and / or a part of the connector with an electrical circuit.
  • a two-part design of the connector may be advantageous because even in this case a simple replacement of the electrical circuit by an exchange of a part, for. B. the first part, the connector can be done.
  • the first part of the connector may be the part of the connector for connection to the electrical lead or the part of the connector for contacting a second connector.
  • the two parts of the connector can be pushed onto one another and / or into one another and / or plugged into one another.
  • the receptacle for the electrical circuit is arranged on the first part or the second part of the connector such that the electrical circuit is positioned between the first part of the connector and the second part of the connector when the two parts of the connector are connected together.
  • the recording of the electrical circuit can also be within a part, for. B.
  • the first part of the connector may be arranged such that it is not at the junction with the second part of the connector.
  • the receptacle of the electrical circuit is arranged on the first part of the connector front or on the end face, whereby an electrical contact with the other part of the connector can be particularly easily done.
  • the electrical circuit can also be divided between the two parts.
  • the electrical circuit may be formed in two parts, wherein in particular a first part of the electrical circuit in the first part of the connector and a second part of the electrical circuit can be accommodated in the second part of the connector.
  • the input-side contact points of the input-side interface have a first pitch and the output-side contact points of the output-side interface have a second pitch.
  • the invention can then be advantageously used to avoid a conventional fanning area within a connector and to adapt the input-side interface and the output-side interface in an impedance-controlled manner. For example, this can be fanned out a narrow cable interface or a tight cable interface to a wider connector interface.
  • the fan-out regions known from the prior art can cause impurities in the transmission path, which is disadvantageous, in particular, for the transmission of high-frequency signals.
  • the electrical circuit can be achieved in a simple manner that the two interfaces have the same impedance.
  • a printed circuit board can be provided, whose microstrip lines and plated-through holes and optionally further electrical components compensate for the capacitive behavior of the transition from the respective inner conductors or signal conductors. It can be provided by the circuit thus a reflection-free pitch change.
  • the input-side interface is formed according to a first standard connector and the output-side interface according to a second standard connector.
  • a connector standard is meant a basic design of a connector, in particular an interface of the connector.
  • These can be normalized shapes (eg a standardized RJ connector) or proprietary developments or individual shapes.
  • the transmission possibility is arranged to a reflection-free signal transmission between the at least one electrical line and a second electrical connector and / or between the at least one electrical line and one of the two parts of the connector and / or at least between the input-side interface and the output-side interface to provide.
  • the electrical circuit can thus be optimally designed so as to ensure a high-frequency signal transmission.
  • the at least one signal conductor is formed as part of a further printed circuit board and the at least one signal conductor of the further conductor terplatte with the at least one input-side contact point via at least one contact line is connected.
  • the connector is designed as a printed circuit board connector and thus the input side is not to be connected to a cable, but with another circuit board, so corresponding contact lines can be used, which can be soldered for example on or in the other circuit board.
  • the contact lines can be provided in particular for contacting the signal conductors of electrical lines of the further printed circuit board, but also for contacting a ground conductor of the further printed circuit board.
  • the transmission possibility is set up to match different signal propagation times between the signal conductors of the further printed circuit board and the input-side contact points, in particular due to different lengths of the contact lines.
  • the invention also relates to an electrical connector for a connector system according to claim 14.
  • the invention relates to an electrical circuit, in particular a printed circuit board for a connector system, according to claim 15.
  • an electrical circuit in particular a printed circuit board for a connector system, according to claim 15.
  • FIG. 1 shows an inventive connector system with an electrical connector and an inserted electrical circuit in an embodiment as a printed circuit board and a closure element which closes an access opening to a receptacle for the circuit board;
  • FIG. 2 shows the connector system of FIG. 1 without the printed circuit board and with the closure element lifted off
  • Figure 3 is a perspective view of the closure element of Figures 1 and 2 with a seal and an electrically conductive attachment;
  • FIG. 4 shows an inventive connector system according to a second embodiment with a fixed closure element.
  • Figure 5 shows an inventive connector system according to a third embodiment
  • Figure 6 is an example of a first circuit diagram of a connector according to the invention.
  • Figure 7 is an example of a second circuit diagram of a connector according to the invention.
  • Figure 8 is an example of a third circuit diagram of a connector according to the invention.
  • Figure 9 is a representation of a pitch change between an input-side interface and an output-side interface of a connector
  • FIG. 10 shows a plug connector in the form of a printed circuit board connector
  • Figure 1 1 shows a representation of a printed circuit board with a circumferential metallization and two PCB layers.
  • FIG. 1 shows a section through a connector system 1.
  • the connector system 1 has an electrical connector 2 and an electrical circuit 3, which is formed in the embodiment as a printed circuit board 3.
  • the connector 2 further has a longitudinal axis L which extends along a plug-in direction, indicated in the figure by a double arrow.
  • any electrical circuit may be provided instead of the printed circuit board 3, for example in the form of a multi-chip module, a system-in-package, a system-on-chip and / or any integrated circuit, ie, for. B. also a single microchip or ASIC.
  • the invention will be described in the embodiment with reference to a circuit board 3, but this can be understood as a "black box" for any electrical circuit.
  • the connector 2 has a housing 4, which in the present embodiment of a non-conductive material, for. B. of a plastic is formed.
  • the housing 4 is used inter alia to receive an electrical line 5, which is formed in the embodiment as a cable 5, which is held by a holding device 6 in the housing 4 of the connector 2.
  • the cable 5 is an electrically shielded cable 5 with a ground conductor which is designed as an outer conductor 7, in particular as a screen braid 7, which is connected in an electrically conductive manner to a shielding means 8 of the connector 2.
  • the outer conductor 7 carries a defined electrical potential, in particular a ground potential, which is suitable for forming a shield.
  • the braided shield 7 is clamped between the shielding means 8 and the housing 4 of the connector 2.
  • the shielding means 8 preferably extends completely around the inner portions of the connector 2 to completely shield the connector 2 electromagnetically.
  • signal conductors 10 which in the exemplary embodiment are designed as cable inner conductors 10 of the cable 5, are electrically connected to input-side contacts 9 at their ends facing the printed circuit board 3.
  • the connector 2 has output-side contacts 1 1, which are electrically connected to connector inner conductors 12. In the embodiment, three contacts 9, 1 1 are provided in each case. The number can be arbitrary here.
  • the connector 2 has a receptacle 13 for the circuit board 3, which is formed between the input-side contacts 9 and the output-side contacts 1 1 as a slot-shaped recess 13.
  • the receptacle 13 has an access opening 14, through which the circuit board 3 can be used. For closing the access opening 14, a closure element 15 is provided.
  • the printed circuit board 3 has contact points 16, which in the present case are formed as flat contacts 16 or solder pads, which contact the input-side contacts 9 and the output-side contacts 11 in the case of the printed circuit board 3 used (as shown).
  • the inserted circuit board 3 is positioned between the input-side contacts 9 and the output-side contacts 1 1.
  • the contacts 9, 1 1 of the connector 2 in the present case as spring contacts 9, 1 1 executed.
  • the printed circuit board 3 has printed conductors, plated-through holes (not shown here) and electrical components 17 or electrical components. In this way, an individual transmission possibility of the input-side contacts 9 to the output-side contacts 1 1 can be ensured.
  • the transmission possibilities are manifold.
  • the printed circuit board 3 has only printed conductors and / or plated-through holes, which makes possible a variable and quickly exchangeable occupation or rewiring of the connector 2.
  • the housing 4 of the connector 2 in the exemplary embodiment optionally has a mechanical coding, by which the connector 2, which is designed here as a plug, for example, in a socket (not shown) can be inserted.
  • the connector 2 can basically be a plug, a socket, a coupling or an adapter.
  • the connector 2 may also be used as a printed circuit board connector or accommodated in a device housing.
  • the connector 2 may have in its front region contact sleeves 18, which are electrically connected to the connector inner conductors 12.
  • the closure element 15 is preferably formed substantially from plastic or from a non-conductive material and has an electrically conductive attachment 19 in the form of a contact spring attachment 19.
  • the attachment 19 contacts the means for shielding 8 of the connector 2 electrically and thus ensures a closed electromagnetic shielding.
  • the closure element 15 comprises a seal 20 for mechanical sealing of the access opening 14.
  • a contact element 21 is further provided, which in the manner of an additional contact spring, the electrically conductive attachment 19 of the closure element 15 with a circuit shield, in this case a printed circuit board shield 22 in shape a metallized surface of the circuit board 3 electrically connects.
  • a further contact element 23 is provided in a similar design, which additionally contacts the printed circuit board shield 22 of the printed circuit board 3.
  • an all-round and large-area electrical contacting of the shields 8, 19, 22 is advantageous.
  • one or all contact element (s) 21, 23 may also be provided on the printed circuit board 3 or on the printed circuit board shield 22.
  • a printed circuit board shielding 22 can also be realized without necessarily providing an electrical contact with the attachment 19 via the contact element.
  • the printed circuit board 3 and in particular its cut structure is shown only as an example and highly abstracted.
  • the printed circuit board 3 may be a single-sided printed circuit board, a two-sided printed circuit board or a multi-layer printed circuit board 3 with more than two printed circuit board layers.
  • a printed circuit board 3 with two printed circuit board layers 26 is shown enlarged in FIG. 11 described later.
  • the connector system 1 shown can be set up in an advantageous manner for a transmission of electrical signals according to a USB standard.
  • the printed circuit board 3 would have a transmission possibility or a transfer function of zero between at least one input-side contact 9 and at least one output-side contact 11.
  • the printed circuit board 3 can thus also serve as a securing element - depending on the version, either in the inserted or removed state.
  • the relaxed length of the springs when the contacts 9, 1 1 are formed as springs or the distances between the contacts 9, 1 1 are selected such that the input-side contacts 9 and the output side contacts 1 1 contact each other even with an unused circuit board 3.
  • the closure element 15 of Figures 1 and 2 is enlarged and shown in a three-dimensional view.
  • the closure element 15 is substantially formed of a non-conductive material and comprises the seal 20 already described.
  • the conductive attachment 19 is preferably formed from a metal sheet and pushed onto the closure element 15.
  • lateral contact springs 24 are provided, whereby a secure electrical contact with the outer conductor 7 of the cable 5 or with the means for shielding 8 of the connector 2 can be guaranteed even if it is necessary to compensate for large tolerances.
  • FIG. 4 shows a second embodiment of a connector system 1 according to the invention. Features that have already been described in a previous embodiment will not be explained again in detail below. This applies to all subsequent figures.
  • the embodiment shown in Figure 4 differs from the previous embodiment of Figures 1 and 2 essentially in that the closure element 15 is formed in a simplified embodiment as a sheet metal element or completely made of metal.
  • the closure element 15 is positively and non-positively connected by, for example, a screw with the means for shielding 8 of the connector 2.
  • the closure element 15 is preferably arranged back in the inserted state in the housing 4 of the connector 2.
  • a coplanar embodiment or a design in which the closure element 15 projects out of the housing 4 cf., for example, FIG.
  • a third embodiment of a connector system 1 according to the invention is shown in FIG.
  • the connector 2 is designed as a coupling.
  • the contact sleeve or the contact sleeves 18 of the front region of the connector 2 is or are arranged in the embodiment to the circuit board 3, that a corresponding connector is able to contact directly on the output-side contact points 16 of the circuit board 3.
  • the output-side contact 1 1 is formed by the corresponding connector, which can be regarded as part of the present connector system 1.
  • the corresponding connector contacts the at least one output-side contact 1 1 of the connector 2.
  • the output-side contacts 1 1 and the connector inner conductor 12 would be formed integrally with the contact sleeves 18.
  • FIG. 6 to 8 simplified circuit diagrams are shown to illustrate three exemplary variants of the connector system 1 or to show examples of the different transmission options of the at least one input-side contact 9 to the at least one output-side contact 1 1.
  • the input-side contact 9 of the connector 2 with the cable inner conductors 10 and the output-side contact 1 1 of the connector 2 with the connector inner conductors 12 and the printed circuit board 3 are shown.
  • the electrical contacting of the contacts 9, 1 1 of the connector 2 and the contact points 16 of the circuit board 3 are shown only very schematically.
  • the circuit board 3 acts only for forwarding or direct contacting of the cable inner conductor 10 with the connector inner conductors 12.
  • the circuit board 3 may have only through holes in the simplest case for this purpose.
  • FIG. 7 shows an embodiment similar to FIG. 6, in which the printed circuit board 3 once again only serves to make contact between the inner cable conductors 10 and the inner connectors 12 without providing any further influence on the signals. However, in this embodiment, it is a "crossover" connection, ie, a cross-connection of signals and thus a connector assignment that differs from FIG. 6.
  • FIG. 8 shows a further exemplary embodiment in which an electronics 25 (shown as "black box") of the printed circuit board 3 electrically influences one or more or all signals during the transfer from the input-side contacts 9 to the output-side contacts 11.
  • the invention may also be used to avoid or replace a conventional fanning area within a connector, or to adapt an input side interface 30 and an output side interface 31 impedance-controlled.
  • a pitch d. H. a center-to-center distance of the contacts 9, 1 1 and pads 16 are modified.
  • the pitch is widened to achieve the correct size ratios for the connector. In Figures 1, 2, 4 and 5, such a fanning out is clearly visible.
  • the cable inner conductors 10 are fanned out so that their ends occupy a position such that each end of a cable inner conductor 10 is associated with a corresponding end of a connector inner conductor 12 and the mutually associated ends coaxial with each other.
  • any unbundling possibilities of the input-side and output-side interfaces ("interfaces") 30, 31 are available.
  • Any desired pin assignments or connector standards can be adapted with the electrical circuit or printed circuit board 3, at the same time allowing an impedance check by means of corresponding circuit components of the electrical circuit or the printed circuit board 3. For example, it is possible to change from a transmission or "stranding" with a star quad to a parallel transmission mode ("parallel pair").
  • FIG. 9 shows another example of different interfaces 30, 31 on the input side and output side, each with a different pitch.
  • the printed circuit board 3, which may have, for example, round contact surfaces as shown, represents a type of adapter, which is an ideally adapted transmission from an input-side interface 30, in this case a narrow cable interface or a tight cable interface, to an output-side interface 31, in this case a wider connector interface , allows.
  • the output-side interface 31 thus has larger distances between the present Single cores or connector inner conductors 12 on. Such a transition is in practice, as already mentioned, usually solved with a fan-out area, but causes impurities in the transmission path.
  • a printed circuit board 3 may be provided, wherein first can be contacted directly on the circuit board 3 from both sides with the respective interface dimensions.
  • a suitable design of the microstrip lines and plated-through holes of the printed circuit board 3 can then compensate the capacitive behavior of the transition from the respective inner conductors 10, 12 to the printed circuit board 3.
  • a reflection-free pitch change is provided.
  • the receptacle 13 for the circuit board 3 is not shown for simplicity. However, the circuit board 3 can be used in the connector 2 as described above.
  • the connector 2 of Figure 9 is shown as a printed circuit board connector. As shown, the connector 2 on the input side not with a cable 5, but with another circuit board
  • a plurality of electrical lines 5 or signal conductor 10 of the further printed circuit board 32 can be contacted with corresponding contact lines 33.
  • a contacting of a ground conductor of the further printed circuit board 32 may also be effected by at least one contact line 33.
  • the contact lines 33 connect the signal conductors 10 to the contact points 16 of the printed circuit board 3 or to the input-side contacts 9.
  • an electrical circuit according to the invention makes it possible to provide a transition, which is optimally suitable for high-frequency technology, between an input-side interface 30 and an output-side interface 31, differences between the interfaces 30, 31, which would have a negative effect on the signal transmission, in particular, different line lengths, center-to-center distances or relative positioning of the contacts, geometry or size of the individual contacts and material type of the individual contacts can be electrically compensated or adjusted by the correspondingly formed electrical circuit.
  • Figure 1 1 shows a schematic sectional view of a printed circuit board 3 in an optional embodiment as a printed circuit board 3, as it could be used for the present invention. It can also be a multi-layer circuit board.
  • the circuit board 3 according to FIG. 11 comprises on its surfaces or side surfaces a complete metallization 22 made of copper, which forms the printed circuit board shield 22.
  • the metallization 22 is recessed around the pads 16 so as not to short the pads 16 to the shield.
  • circuit board layers 26 are arranged, which are connected by means of contacts 27 and spaced from each other.
  • the printed circuit boards were 26 of the printed circuit board 3 are connected via vias 28 with the contact points 16.
  • On the inwardly facing sides of the printed circuit boards were 26 preferably each electrical components 17 are arranged.
  • the through-holes 28 and contacts 27 may also be integrally formed.
  • a thermally conductive layer 29 can be formed between the circuit board layers 26 and the electrical components 17, or immediately adjacent or adjacent thereto.
  • the distance between the printed circuit board layers 26 may be dependent, inter alia, on the height and / or operating voltage of the electrical components 17 and on the electrical insulation capability of the heat-conductive layer 29.
  • the heat-conductive layer 29 may comprise epoxy resin. Due to the low thermal conductivity of epoxy resin, the heat-conductive layer 29 may also be enriched with boron nitride and / or alumina. Accordingly, the required thickness of the thermally conductive layer 29 may depend significantly on their composition. Instead of epoxy resin can also be used according to synthetic resin. This is also particularly suitable.
  • a plug connector 2 of the embodiments of FIGS. 1, 2 and 4 to 10 described above can also be designed in two parts.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne un système de connecteur enfichable (1) comprenant un connecteur électrique enfichable (2) destiné à être relié à au moins une ligne électrique (5), et au moins un circuit électrique (3), le connecteur électrique enfichable (2) comprenant au moins un contact côté entrée (9) qui peut être relié à un conducteur de signaux (10) de la ligne électrique (5), au moins un contact côté sortie (11) qui peut être relié électriquement à un conducteur interne de connecteur enfichable (12), des moyens de protection (8) qui peuvent être reliés à un conducteur de masse (7) de la ou des ligne(s) électrique(s) (5), un logement (13) prévu pour le circuit électrique (3) et, un élément de fermeture (15) servant à fermer une ouverture d'accès (14) de ce logement (13). Le circuit électrique (3) comprend en outre des points de contact (16) servant à la mise en contact d'au moins un contact côté entrée (9) et au moins un contact côté sortie (11), lorsque le circuit électrique (3) est inséré dans le logement (13). Ce circuit électrique (3) présente une possibilité de transmission, entre le(s) contact(s) côté entrée (9) et le(s) contact(s) côté sortie (11).
EP18716207.8A 2017-04-04 2018-04-03 Système de connecteur enfichable Active EP3607619B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017107248.9A DE102017107248A1 (de) 2017-04-04 2017-04-04 Steckverbindersystem
PCT/EP2018/058491 WO2018185102A1 (fr) 2017-04-04 2018-04-03 Système de connecteur enfichable

Publications (2)

Publication Number Publication Date
EP3607619A1 true EP3607619A1 (fr) 2020-02-12
EP3607619B1 EP3607619B1 (fr) 2021-08-04

Family

ID=61911584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18716207.8A Active EP3607619B1 (fr) 2017-04-04 2018-04-03 Système de connecteur enfichable

Country Status (5)

Country Link
US (1) US10840650B2 (fr)
EP (1) EP3607619B1 (fr)
CN (1) CN110476306B (fr)
DE (1) DE102017107248A1 (fr)
WO (1) WO2018185102A1 (fr)

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GB2639040A (en) * 2024-03-08 2025-09-10 Harting Int Innovation Ag Capacitive plug connection

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Also Published As

Publication number Publication date
EP3607619B1 (fr) 2021-08-04
CN110476306B (zh) 2021-03-16
WO2018185102A1 (fr) 2018-10-11
CN110476306A (zh) 2019-11-19
US10840650B2 (en) 2020-11-17
US20200106219A1 (en) 2020-04-02
DE102017107248A1 (de) 2018-10-04

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