EP3607618A1 - Connecteur enfichable électrique comprenant un circuit électrique - Google Patents

Connecteur enfichable électrique comprenant un circuit électrique

Info

Publication number
EP3607618A1
EP3607618A1 EP18715665.8A EP18715665A EP3607618A1 EP 3607618 A1 EP3607618 A1 EP 3607618A1 EP 18715665 A EP18715665 A EP 18715665A EP 3607618 A1 EP3607618 A1 EP 3607618A1
Authority
EP
European Patent Office
Prior art keywords
connector
electrical
circuit board
input
output
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
EP18715665.8A
Other languages
German (de)
English (en)
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 EP3607618A1 publication Critical patent/EP3607618A1/fr
Pending legal-status Critical Current

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
    • 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
    • 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6467—Means for preventing cross-talk by cross-over of signal conductors
    • H01R13/6469—Means for preventing cross-talk by cross-over of signal conductors on substrates
    • 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
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter

Definitions

  • the invention relates to an electrical connector with an electrical circuit according to the preamble of claim 1.
  • the invention also relates to an electrical circuit for such a connector.
  • 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
  • the term "connector” used in the context of the invention is representative of all variants.
  • signal processing systems which must be interconnected partly via cable connections and thus connectors, become increasingly complex. To ensure a sufficiently high data rate and signal quality of the cable connection, thus additional circuit components are regularly required.
  • cable replacement can sometimes be quick and easy, as opposed to replacing other system components.
  • Such an exchange can be many
  • 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 present invention has for its object to provide an electrical connector, in which in particular an adaptation of the interconnection is even easier than with the current state of the art.
  • the electrical connector according to the invention comprises an electrical circuit, wherein the electrical circuit has an input-side interface with at least one input-side contact point to connect at least one signal conductor at least one electrical line.
  • 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 may also be made for the electrical line to be 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 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 circuit according to the invention further comprises an output-side interface with at least one output-side contact point.
  • the electrical connector may further comprise at least one input-side contact connectable to the at least one signal conductor of the at least one electrical lead (eg, a cable inner conductor of an electrical cable) and at least one output-side contact preferably having at least one connector inner conductor of the Connector is electrically connectable, have.
  • at least one input-side contact connectable to the at least one signal conductor of the at least one electrical lead (eg, a cable inner conductor of an electrical cable) and at least one output-side contact preferably having at least one connector inner conductor of the Connector is electrically connectable, have.
  • the input-side contact of the connector with which the electrical line is connected or with which the at least one cable is connected to the at least one inner conductor, and the output-side contact of the connector without further measures and configurations described below, initially not be electrically connected to each other.
  • the at least one input-side contact and the at least one output-side contact are spatially separated from one another and are preferably arranged opposite one another.
  • the mutually facing ends of the input-side contacts and the output-side contacts are arranged in two opposing planes.
  • the input-side contact of the connector and the output-side contact of the connector preferably the input-side contacts and the output-side contacts are basically electrically connected to each other without further measures.
  • a single-pole connector or a multi-pin connector is used. That is, it can be provided, in each case an input-side contact or an input-side contact point and an output-side contact or an output-side contact point or more than an input-side contact or an input-side contact point and more than one output-side contact or an output-side contact point provided.
  • two to twenty input-side contacts or contact points particularly preferably three to ten input-side contacts or contact points and very particularly preferably up to four input-side contacts or contact points are provided.
  • the number of output-side contacts is preferably configured analogously.
  • 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. multiple signal conductor or cable inner conductor are merged on the same input-side contact. The number of input-side contact points and output-side contact points can also be any desired analogously thereto.
  • 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 electrical circuit according to the invention has a transmission possibility, at least for impedance control, from the input-side interface to the output-side interface.
  • the transmission possibilities can be with a plurality of electrical lines and / 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 design of the input-side interface differs from the design of the output-side interface.
  • an electrical and preferably modular connector is provided, which by using 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.
  • the connectors can then be individually adapted to the specific application variant. Furthermore, the installation or assembly of the electrical circuit is easily possible.
  • the electrical circuit preferably has at least one electrical component.
  • 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 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 thus 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, vias and / or electrical components, such.
  • the circuit board for example, conductor tracks, vias and / or electrical components, such.
  • resistors, capacitors, inductors and / or semiconductor circuits to complex integrated circuits or micro-chips or application-specific integrated circuits may have.
  • a printed circuit board with several layers so z.
  • a multilayer circuit board in the present case, a system of several (populated or unpopulated) one-sided or two-sided circuit boards are understood. It may also be provided for the formation of the electrical circuit to arrange a plurality of microchips in the manner of a so-called “multi-chip module” one above the other and / or side by side in a common chip package ("package"), wherein the microchips within the chip Housing with each other and / or with the contact points of the chip housing or the electrical circuit via so-called bond wires - or by another known connection technology - are connected.
  • 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.
  • 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.
  • a so-called "system-on-chip” or a conventional microchip or a single application-specific integrated circuit may also be provided in a chip housing with contact points arranged on the chip housing in order to realize the electrical circuit.
  • 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 input-side interface and the output-side interface of the electrical circuit each form a contact surface which run 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.
  • the supply of the electrical 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 contact points of the electrical circuit are known as flat contacts and / or sliding contacts and / or solder pads (also called “pads") and / or spring contacts (eg pogo pins) and / or plug contacts (male or female) are trained.
  • the contact points of the connector are formed as flat contacts and / or sliding contacts and / or pads and / or spring contacts (eg pogo pins) and / or plug contacts (male or female).
  • the contacting possibilities between the connector and the electrical circuit may be arbitrary, for example, SMD crimp contacts, simple solder contacts, which could be used in corresponding solder joints of a printed circuit board or printed circuit boards, and / or so-called "Pressfif'-contacts may be provided ,
  • the electrical circuit can be permanently installed inside the connector or made inaccessible after assembly. For many applications this should be an advantage.
  • the connector has a receptacle for the electrical circuit and a closure element for closing an access opening of the receptacle.
  • the receptacle can preferably be 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.
  • This variant makes it possible to design the connector according to the invention such that the at least one input-side contact and the at least one output-side contact of the electrical connector only contact each other when the electrical circuit is inserted into the receptacle.
  • 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 contacts or contacts the at least one input-side contact and a pad or pads of an output side contact surface of the electrical circuit (which is preferably parallel to the first surface and oppositely oriented) contacts the at least one output side contact.
  • a contact point or contact points of an input-side contact surface of the electrical circuit contacts or contacts the at least one input-side contact and a pad or pads of an output side contact surface of the electrical circuit (which is preferably parallel to the first surface and oppositely oriented) contacts the at least one output side contact.
  • the described connector 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 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 can thus be used to form an access authorization system.
  • 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 realized (in each case) with the same type of contact or with different types of contact. Any combinations are possible.
  • the electrical circuit when the electrical circuit is to be inserted into the receptacle, the aforementioned embodiments of the contact points (flat contacts, sliding contacts, pads, spring contacts and / or plug contacts, etc.) have been found to be advantageous.
  • other contacting options are possible, for example, versions with contact swords and corresponding receptacles for the contact swords, and the like.
  • the at least one input-side contact and the at least one output-side contact make contact.
  • the connector would thus be usable even in this state, at least as a basic version.
  • the contacts of the connector are in the form of spring contacts, the relaxed length of the springs and / or the distances between the contacts are or are such that at least one input-side contact and at least one output-side contact also contact when the electrical circuit is not inserted in the receptacle.
  • 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 at least partially formed from an electrically conductive material and the closure element, when it closes the access opening of the receptacle, electrically contacted means for shielding the connector.
  • a direct or indirect electrical connection of the closure element with means for shielding the connector preferably with a ground conductor of the at least one electrical line or with an outer conductor of the at least one cable can advantageously shield the connector and the electrical circuit or the circuit board and optionally Another Improve components inside the connector.
  • the electromagnetic compatibility of the connector 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.
  • contact spring has proven to be a particularly safe electrical connection. Regardless of surface roughness, manufacturing tolerances and mechanical and thermal stress of the connector during operation, this can be guaranteed a defined contact possibility.
  • contact spring a large tolerance range can be compensated and a "hole" in the shield of the connector can be avoided at all times.
  • 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 use of 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.
  • circuit shield 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.
  • a signal conductor carries a defined potential, for example a ground potential, which is suitable for forming a sufficiently good shield.
  • a separate shield of the electrical circuit, z may be advantageous to achieve an even better electromagnetic compatibility of the connector. Even if an electromagnetic leakage of the connector surrounding the electrical circuit should exist, for example due to damage, the delicate electronics, e.g. As the electronics of a circuit board, shielded.
  • the electrical circuit is designed as a multilayer printed circuit board or multilayer printed circuit board
  • the multilayer printed circuit board or the multilayer printed circuit board for example, a circumferential surface and Kantenmetallmaschine of metal, preferably made of copper to form 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.
  • the electrical connector is formed in two parts, wherein 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 , is 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, in particular as an alternative to insertion of the electrical circuit, since even in this case, an easy replacement of the electrical circuit by exchanging a part, for example, the first part of 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 electrical circuit is arranged on the first part or the second part of the connector, that the electrical circuit between the first part of the connector and the second part of the connector is positioned when the two Parts of the connector are connected together.
  • the electrical circuit can also be arranged within a part, for example of the first part, of the connector such that it is not located at the junction with the second part of the connector.
  • the electrical circuit is preferably arranged on the first part of the connector in front or on its front side, 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 is arranged on the first part of the connector and a second part of the electrical circuit on the second part of the connector.
  • the two parts of the electrical circuit may optionally be designed and / or arranged such that they at least partially contact directly when the two parts of the connector are connected.
  • the two parts of the electrical circuit can be arranged in particular on the respective end sides of the two parts 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 with impedance control. 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 inventive 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 according to the invention thus a reflection-free pitch change.
  • the input-side interface is designed in accordance with a first connector standard and the output-side interface in accordance with a second connector standard.
  • 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.
  • a transition which is optimally suitable for the high-frequency technology can nevertheless be provided between the two interfaces, even if the connector standards deviate from one another.
  • the differences between the interfaces which would in principle have a negative effect on the signal transmission, in particular different line lengths, center-to-center distances (pitch) or a relative positioning of the contact points or contacts, geometry or size of the individual contact points or Contacts and material type of the individual contact points or contacts can be electrically compensated or adjusted by a correspondingly selected electrical circuit.
  • the electrical circuit can thus be optimally designed so as to ensure a high-frequency signal transmission.
  • the at least one signal conductor of the at least one electrical line is directly connected to the at least one input-side contact point and / or is connected via at least one contact line.
  • the electrical line is designed as a further printed circuit board and the at least one signal conductor of the further printed circuit board is connected to the at least one input-side contact point via at least one contact line.
  • the connector is thus designed, for example, as a printed circuit board connector and thus the input side is not to be connected with 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 or signal-carrying 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 arranged to different signal propagation times between the signal conductors of the other circuit terplatte and the input-side contact points of the electrical circuit, in particular due to different lengths of the contact lines to match each other.
  • 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 comprises an electrically insulating polymer support material, in particular synthetic resin and / or epoxy resin, and / or further comprises aluminum oxide 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 thermally 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.
  • the combination of synthetic resin and aluminum oxide or boron nitride makes it possible to conclude a particularly positive compromise between the desired properties "low electrical conductivity" and "high thermal conductivity".
  • a combination comprising synthetic resin and alumina and boron nitride.
  • a combination of epoxy resin and alumina or boron nitride is also suitable.
  • a combination comprising epoxy resin and alumina and boron nitride is also suitable.
  • the electrical circuit may be formed as a printed circuit board and have only traces or microstrip lines and / or vias, whereby the circuit board is only usable 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 replacing the printed circuit board.
  • the signals transmitted through the connector are influenced by electrical components.
  • electrical components 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 printed circuit board or the electrical circuit may also include programmable components such as microprocessors or programmable circuits, such as field programmable gate arrays (FPGAs).
  • programmable components such as microprocessors or programmable circuits, such as field programmable gate arrays (FPGAs).
  • FPGAs field programmable gate arrays
  • the electrical circuit can be designed to detect a cable length of a connected cable and to automatically adapt the signal strength and impedance on the basis of the recognized 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. It can be provided that the connector for transmitting 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 may 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 may also have multiple receptacles for receiving electrical circuits.
  • the invention also relates to an electrical circuit, in particular a printed circuit board, for an electrical connector, according to claim 15.
  • Figure 1 shows a connector according to the invention with an inserted electrical circuit in an embodiment as a circuit board and a closure element which closes an access opening to a receptacle for the circuit board;
  • Figure 2 shows the connector of Figure 1 without the circuit board and with lifted closure element
  • Figure 3 is a perspective view of the closure element of Figures 1 and 2 with a seal and an electrically conductive attachment;
  • Figure 4 shows a connector according to the invention according to a second embodiment with a fixed closure element
  • Figure 5 connector according to the invention 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.
  • FIG. 9 shows an exemplary 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 a two-part connector
  • Figure 12 is an illustration of a circuit board with a circumferential metallization and two PCB layers.
  • the connector 1 shows a section through a connector 2 is shown.
  • the connector 2 has 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 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 are formed in the embodiment as a cable inner conductor 10 of the cable 5, electrically connected at their the printed circuit board 3 facing ends with input-side contacts 9.
  • the connector 2 has output-side contacts 1 1, which are electrically connected to connector inner conductors 12.
  • three contacts 9, 11 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 or rectangular 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 an input-side interface 30 with input-side contact points 16 in order to connect the three cable inner conductors 10 via the input-side contacts 9.
  • the printed circuit board 3 further has an output-side interface 31 with output-side contact points 16 'in order to connect the three connector inner conductors 12 via the output-side contacts 11.
  • the contact points 16, 16 ' are presently designed as flat contacts or solder pads and contact in the case of the printed circuit board 3 used (as shown), the input-side contacts 9 and the output-side contacts 1 first
  • the inserted printed 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 spring contacts 9, 1 1 a large tolerance range can be compensated and at the same time a simple insertion of the circuit board 3 can be ensured.
  • the circuit board 3 via their contact points 16, 16 'and permanently, z. B. cohesively, by soldering or frictionally / positively by crimping, with the contacts 9, 1 1 be connected.
  • the circuit board 3 can be removed from the connector 2.
  • the receptacle 13 and the closure element 15 can then be omitted.
  • the contacts 9, 1 1 can be omitted and the contact points 16, 16 'can also be directly connected to the signal conductor (s) 10 or connector inner conductor (s) 12.
  • the printed circuit board 3 may comprise 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 and between the contact points 16, 16 'can be ensured.
  • the transmission possibilities are manifold. Thus, you can For example, be provided signal amplifications, impedance adjustments, linearizations to an automatic comparison with respect to the currently installed cable length and programmable circuits. It can also be provided that 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 has in the exemplary embodiment of 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 plug connector 2 may basically be a plug, a socket, a coupling or an adapter.
  • the connector 2 can also be designed 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 member 15 includes a seal 20 for mechanically sealing the access opening 14.
  • a contact element 21 is further provided which electrically connects 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 the form of a metallized surface of the circuit board 3.
  • a further contact element 23 in a similar design is provided at the lower end of the receptacle 13, which additionally contacts the printed circuit board shielding 22 of the printed circuit board 3. In principle, 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 bearings 26.
  • a printed circuit board 3 with two printed circuit board layers 26 is shown enlarged in the later described figure 12.
  • the illustrated connector 2 can be set up in an advantageous manner for a transmission of electrical signals according to a USB standard.
  • FIG. 2 again shows the plug connector 2 explained in FIG. 1, the printed circuit board 3 having been removed. Furthermore, the closure element 15 is not inserted into the access opening 14.
  • the input-side contacts 9 and the output-side contacts 1 1 do not make electrical contact when the printed circuit board 3 is removed. This is a constructively preferable solution, since the realization of such an arrangement is easy to handle. It may also be advantageous to effect a reliable electrical isolation of circuits within the connector 2 by removing the printed circuit board 3. It can also be understood as within the meaning of the invention to provide a printed circuit board 3 which provides only for a reliable electrical isolation between some or all of the contacts 9, 11.
  • 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 Contact 1 1 even with an unused circuit board 3 together.
  • 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.
  • the contact springs 24 are preferably arranged circumferentially around the closure element 15 in an annular manner. In a simplified design, however, a single contact or a single contact spring 24 may be sufficient.
  • FIG. 4 shows a second embodiment of a connector 2 according to the invention.
  • 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.
  • FIG. 1 A third embodiment of a connector 2 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 portion of the connector 2 is or are arranged in the embodiment of the circuit board 3, that a corresponding connector is able to contact the output-side contact points 16 'of the circuit board 3 directly. In this case, therefore, eliminates the output-side contact 1 1 and corresponds to the contact sleeve 18th
  • the output-side contact points 16 'of the electrical circuit or the printed circuit board 3 are designed for direct contacting of the second connector.
  • the output-side interface 31 can therefore simultaneously form the interface of the connector 2 for contacting with the second connector.
  • FIG. 6 to 8 simplified circuit diagrams are shown to illustrate three exemplary variants of the connector 2 or to show examples of the different transmission possibilities of the at least one input-side contact 9 to the at least one output-side contact 1 1.
  • the input-side part of the connector 2 with the cable inner conductors 10 and the output-side part of the connector 2 with the connector inner conductors 12 and the circuit board 3 are shown.
  • the electrical contacting of the contacts 9, 1 1 of the connector 2 and the contact points 16, 16 'of the circuit board 3 are shown only very schematically.
  • FIGS. 6 to 8 the input-side interface 30 and the output-side interface 31 are shown identically. Actually, however, the interfaces 30, 31 differ from one another (inter alia in terms of geometry, eg a different pitch and / or the type of material used).
  • 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.
  • the circuit board 3 and the transmission option then act as a so-called "dummy" element.
  • 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.
  • the connector 2 can thus be changed functionally. Basically, 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, wherein an impedance control by corresponding circuit components of the electrical circuit or the printed circuit board 3 is simultaneously possible. For example, it is possible to switch from a transmission mode or "stranding" with a star quad to a parallel transmission mode ("parallel pair").
  • 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.
  • 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 can also be used to avoid or replace a fan-out area within a conventional connector, or to adapt an input-side interface 30 and an output-side interface 31 in an impedance-controlled manner.
  • a pitch d. H. a center-to-center distance of the pads 16, 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 extend coaxially to one another.
  • FIG. 9 shows another example of different interfaces 30, 31 on the input side and output side, each with a different pitch.
  • the circuit board 3, which may have, for example, round contact surfaces 30.1, 31.1, as shown, represents a type of adapter, which is an ideally adapted transmission from an input-side interface 30, in the present case a narrow cable interface or a narrow 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 in the present case between the individual wires or connector inner conductors 12.
  • Such a transition is in practice, as already mentioned, usually solved with a fan-out area, but causes impurities in the transmission path.
  • both interfaces 30, 31 can have the same impedance (for example, 90 ohms differential).
  • 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 interfaces 30, 31 of the electrical circuit or the printed circuit board 3 each form a contact surface 30.1, 31 .1, which extends orthogonal to the longitudinal axis L of the connector 2.
  • the printed circuit board 3 is permanently installed in the housing 4 of the connector 2 or integrated therein. However, the circuit board 3 may also be insertable into the connector 2 (for example, in a receptacle 13 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 is not connected to a cable 5, but to another circuit board 32. In this case, 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 optionally 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 the individual contacts and material type of the individual contacts, can be electrically compensated or adapted by the correspondingly formed electrical circuit.
  • FIG. 1 a variant of the invention with a two-part connector 2 is shown.
  • the electrical circuit or printed circuit board 3 is arranged on a first part 2.1 of the connector 2, wherein the first part 2.1 of the connector 2 with a second part 2.2 of the connector 2 is positively or otherwise connectable.
  • unspecified locking hooks are provided, which can engage behind unspecified corresponding recordings.
  • the electrical circuit or the printed circuit board 3 may be arranged on the first part 2.1 of the connector 2 such that the electrical circuit or printed circuit board 3 is positioned between the first part 2.1 of the connector 2 and the second part 2.2 of the connector 2 when the two parts 2.1, 2.2 of the connector 2 are connected together.
  • the electrical circuit or the printed circuit board 3 may alternatively be positioned at any point of the first part 2.1. However, it is advisable to position the electrical circuit or the circuit board 3 so that it can be used simultaneously for a transition between the ends of the contacts of the second part to the ends of the contacts of the first part.
  • a connector 2 of the embodiments of FIGS. 1, 2 and 4 to 10 described above may also be formed in two parts.
  • FIG. 12 shows a schematic sectional view of a printed circuit board 3 in an optional configuration as a printed circuit board 3 with two printed circuit board layers 26, as could be used for the present invention. It may be a multilayer printed circuit board.
  • the printed circuit board 3 according to FIG. 12 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 contact points 16, 16 'so as not to short-circuit the contact points 16, 16' to the shielding.
  • circuit board layers 26 are arranged, which are connected by means of contacts 27 and spaced from each other.
  • the circuit boards were 26 of the circuit board 3 are connected via vias 28 with the contact points 16, 16 '.
  • electrical components 17 are preferably arranged in each case.
  • the plated-through holes 28 and the contacts 27 may also be formed in one piece.
  • a thermally conductive layer 29 may be formed between the circuit board layers 26 and the electrical components 17 surrounding or immediately adjacent, preferably adjacent.
  • 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.
  • epoxy resin can also be used according to synthetic resin. This is also particularly suitable.

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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 connecteur enfichable (2) électrique comprenant un circuit (3) électrique. Le circuit (3) électrique comporte une interface côté entrée (30) pourvue d'au moins un point de contact côté entrée (16) pour connecter au moins un conducteur de signaux (10) d'au moins une ligne (5) électrique. En outre, le circuit (3) électrique comporte une interface côté sortie (31) pourvue d'au moins un point de contact côté sortie (16'). L'invention prévoit que le circuit (3) électrique présente une possibilité de transmission, au moins aux fins du contrôle de l'impédance, depuis l'interface côté entrée (30) vers l'interface côté sortie (31). La configuration de l'interface côté entrée (30) diverge de la configuration de l'interface côté sortie (31).
EP18715665.8A 2017-04-04 2018-04-03 Connecteur enfichable électrique comprenant un circuit électrique Pending EP3607618A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017107251.9A DE102017107251A1 (de) 2017-04-04 2017-04-04 Elektrischer Steckverbinder mit einer elektrischen Schaltung
PCT/EP2018/058492 WO2018185103A1 (fr) 2017-04-04 2018-04-03 Connecteur enfichable électrique comprenant un circuit électrique

Publications (1)

Publication Number Publication Date
EP3607618A1 true EP3607618A1 (fr) 2020-02-12

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Application Number Title Priority Date Filing Date
EP18715665.8A Pending EP3607618A1 (fr) 2017-04-04 2018-04-03 Connecteur enfichable électrique comprenant un circuit électrique

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US (1) US11056843B2 (fr)
EP (1) EP3607618A1 (fr)
CN (1) CN110495059B (fr)
DE (1) DE102017107251A1 (fr)
WO (1) WO2018185103A1 (fr)

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DE102020117030A1 (de) 2020-06-29 2021-12-30 Ims Connector Systems Gmbh Elektrischer Steckverbinder

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Also Published As

Publication number Publication date
CN110495059B (zh) 2021-10-08
US11056843B2 (en) 2021-07-06
DE102017107251A1 (de) 2018-10-04
CN110495059A (zh) 2019-11-22
US20200028305A1 (en) 2020-01-23
WO2018185103A1 (fr) 2018-10-11

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