EP3627635B1 - Verbindungselement, baugruppenverbindung, leiterplattenanordnung und verfahren zur herstellung eines verbindungselements - Google Patents

Verbindungselement, baugruppenverbindung, leiterplattenanordnung und verfahren zur herstellung eines verbindungselements Download PDF

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Publication number
EP3627635B1
EP3627635B1 EP18195460.3A EP18195460A EP3627635B1 EP 3627635 B1 EP3627635 B1 EP 3627635B1 EP 18195460 A EP18195460 A EP 18195460A EP 3627635 B1 EP3627635 B1 EP 3627635B1
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EP
European Patent Office
Prior art keywords
outer housing
connecting element
electrical
segment
printed 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.)
Active
Application number
EP18195460.3A
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German (de)
English (en)
French (fr)
Other versions
EP3627635A1 (de
Inventor
Andreas Gruber
Bernhard Aicher
Tobias-Lars HÖHER
Moritz Sigler
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
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Application filed by Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Priority to EP18195460.3A priority Critical patent/EP3627635B1/de
Priority to FIEP18195460.3T priority patent/FI3627635T3/fi
Priority to EP18215544.0A priority patent/EP3627636B2/de
Priority to US16/574,778 priority patent/US11251551B2/en
Priority to CN201910886405.2A priority patent/CN110932003B/zh
Publication of EP3627635A1 publication Critical patent/EP3627635A1/de
Priority to US16/991,289 priority patent/US11251552B2/en
Publication of EP3627635B1 publication Critical patent/EP3627635B1/de
Application granted granted Critical
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    • 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
    • H01R12/7082—Coupling device supported only by cooperation with PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/004—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing rigid-tube cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • 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
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members
    • 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
    • H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6277—Snap or like fastening comprising annular latching means, e.g. ring snapping in an annular groove
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/54—Intermediate parts, e.g. adapters, splitters or elbows
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/58—Contacts spaced along longitudinal axis of engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/058—Crimping mandrels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26

Definitions

  • the invention relates to a connecting element for connecting a first electrical assembly and a second electrical assembly, comprising a rigid, tubular outer housing.
  • the invention also relates to an assembly connection for connecting a first electrical assembly and a second electrical assembly.
  • the invention also relates to a printed circuit board arrangement having at least a first printed circuit board and a second printed circuit board, at least one connecting element being arranged between the printed circuit boards in order to electrically connect the printed circuit boards to one another.
  • the invention also relates to a method for producing a connecting element for connecting a first electrical assembly to a second electrical assembly.
  • PCBs printed circuit boards
  • Multiple printed circuit boards are often provided within an assembly in order to distribute a circuit spatially in a housing or housing, for example, or to connect different modules of an assembly to one another.
  • an electrical connection is required between the various printed circuit boards for signal and/or energy exchange.
  • An electrical connection between different printed circuit boards can also be necessary, for example, if a number of electronic assemblies are to be connected to one another for communication. Overall, there are many reasons for connecting several electrical circuit boards to one another.
  • coaxial connecting elements are often used to transmit signals for high-frequency technology in order to ensure a sufficiently high signal quality.
  • a coaxial connector of the connecting element is connected to a mating connector mounted on a printed circuit board.
  • the mating connector is preferably soldered or pressed onto the printed circuit board and electrically connected to strip dividers on the printed circuit board.
  • a coaxial spacer also called an "adapter" connects the two coaxial connectors, bridging the gap between the two circuit boards to allow signal exchange.
  • the known coaxial connecting elements have an inner conductor and an outer conductor which is electrically insulated from the inner conductor by means of an insulating part or dielectric and which are each produced as turned parts.
  • the manufacture of the components by means of turning is usually necessary in order to achieve sufficiently good manufacturing tolerances and to enable an interference fit.
  • the connecting element is to be used for high-frequency technology, the demands on the manufacturing tolerances are particularly high.
  • a disadvantage of the known connecting elements is that the comparatively complex production results in high costs.
  • the known connecting elements are therefore usually economically unsuitable, particularly for mass production.
  • EP 1 440 834 A1 relates to a cable connection for the transmission of high power within an electric vehicle. To protect the cables, they are laid along the vehicle floor guided by individual metal tubes.
  • JP 2006 260898 A mentioned, in which it is proposed to run an electrical wiring harness consisting of three electrical cables through a correspondingly shaped, tubular outer housing.
  • DE 10 2004 032 474 A1 in which an electrical conductor is passed through a tube, wherein a gap between the tube and the conductor is filled with a filler for mechanical fixation of the electrical conductor.
  • the present invention is based on the object of simplifying the design and manufacture of a connecting element for connecting a first electrical assembly to a second electrical assembly, in particular while retaining electrical transmission properties suitable for high-frequency technology.
  • the present invention is also based on the object of simplifying the construction and production of an assembly connection for connecting a first electrical assembly and a second electrical assembly, in particular while retaining electrical transmission properties suitable for high-frequency technology.
  • the present invention is also based on the object of providing a printed circuit board arrangement which has at least one improved connecting element, in particular with regard to economical production of the connecting element.
  • the object is achieved by claim 1 for the connecting element, by claim 8 for the assembly connection and by claim 9 for the printed circuit board arrangement.
  • the object is achieved by claim 10.
  • a connecting element for connecting a first electrical assembly to a second electrical assembly which has a rigid, tubular outer housing made of an electrically conductive material and an electrical cable routed in the outer housing along a longitudinal axis of the outer housing.
  • the longitudinal axis can preferably be an axis of symmetry of the outer housing. Insofar as it is a coaxial cable with an inner conductor, the longitudinal axis of the outer housing, even after forming, runs coaxially with the longitudinal axis of the inner conductor or coincides with it.
  • the longitudinal axis can also be defined as being the axis that results when the centers of gravity of the cross-sectional areas of the outer housing are connected to one another.
  • the outer housing encases the electrical cable, preferably in a tubular manner.
  • the connecting element can preferably be designed coaxially in such a way that the longitudinal axes of the electrical cable and the outer housing lie on top of one another.
  • the outer housing does not have to be designed to be completely closed around the electric cable and can also guide the electric cable within the meaning of the invention if it has recesses, in particular bores and/or slots.
  • the electrical cable has at least one inner conductor and a dielectric encasing the at least one inner conductor.
  • the dielectric encasing the at least one inner conductor can in particular also be a cable jacket.
  • the electrical cable can preferably also be a "cable blank", ie an unfinished electrical cable in which at least one inner conductor has first been overmoulded with an enveloping dielectric--after which potentially further production steps are dispensed with.
  • a cable blank of a coaxial cable in which a coaxial outer conductor (e.g. a braided cable shield and/or a shielding foil) and a cable jacket have not yet been mounted on the dielectric encasing the inner conductor.
  • At least one section of the outer housing is reshaped along the longitudinal axis in such a way that the electrical cable is fixed in the outer housing.
  • the connecting element according to the invention can consist of a tubular outer housing that can be produced as desired and a commercially available electrical cable or cable blank accommodated in the outer housing, it can be produced inexpensively in contrast to the known twisted connecting elements of the prior art.
  • the connecting element according to the invention can therefore be particularly suitable for mass production.
  • the outer housing according to the invention formed, d. H. is plastically brought into a different shape without removing or adding material from the outer housing, a high mechanical holding force of the electrical cable in the outer housing can be provided, despite possibly existing high manufacturing tolerances of the outer housing and/or the electrical cable.
  • an outer housing and/or an electrical cable can thus be used which has comparatively large manufacturing tolerances, since a corresponding play between the outer housing and the electrical cable can be compensated for by the subsequent reshaping.
  • the electrical adaptation for the transmission of signals in the high-frequency range can be optionally optimized by the reshaping.
  • the connecting element can be advantageously used in particular for the transmission of electrical signals in high-frequency technology. Basically however, the connecting element can be suitable for any signal and/or energy transmission in the entire field of electrical engineering.
  • the connecting element according to the invention is preferably suitable for the mechanical and electrical connection of two printed circuit boards.
  • the connecting element according to the invention can also be provided for the mechanical and electrical connection of other electrical or electronic assemblies, for example for the connection between control devices, filters, antennas or other modules with one another.
  • the invention is described below for the electrical and mechanical connection of two printed circuit boards.
  • the term "printed circuit board" can, however, easily be referred to any electrical or electronic assembly by a person skilled in the art and substituted accordingly.
  • the outer housing of the connecting element can serve as the outer conductor of the connecting element when transmitting electrical signals by means of the inner conductor of the electrical cable between the printed circuit boards.
  • the outer housing has a connector at the ends for connection to a respective mating connector of an electrical assembly, in particular a printed circuit board.
  • the plug connectors at the ends of the outer housing are also formed in that the ends of the outer housing are widened, thereby forming a plug connector.
  • the inner conductor of the electrical cable can protrude from the dielectric in a front section suitable for contacting, or the dielectric can be removed in this front section.
  • the connectors at the respective ends of the outer housing can also be referred to as "heads" of the connecting element and the area lying between the connectors as "adapter”.
  • the plug connectors formed at the ends of the outer housing can be designed as interfaces for connection to any other plug connectors or mating plug connectors.
  • connection element can be connected mechanically and electrically to the corresponding printed circuit board (or any other electrical assembly) by the plug-in connection between a plug connector and a respective mating plug connector.
  • the connecting element, the outer housing and/or the inner conductor can also be guided through a recess in at least one of the printed circuit boards and fixed or connected, for example, to the side of the printed circuit board opposite the entry side.
  • the use of a plug connection on the one hand and a direct connection on the other hand can also be provided.
  • the specific connection technology is not important in the context of the invention. However, the use of connectors and mating connectors is particularly advantageous.
  • the connecting element can thus be electrically conductively connected to a first printed circuit board at a first end and to a second printed circuit board at a second end in order to form an electrical path.
  • the electrical path can be used to transmit electrical signals, in particular high-frequency signals, and/or to transmit electrical energy.
  • the electrically conductive material of the outer housing is non-magnetic.
  • the electrically conductive material of the outer housing is preferably formed from a non-magnetic metal, particularly preferably brass.
  • nonmagnetic refers to a material on which a magnetic field has little to no effect.
  • the property of negligible magnetic sensitivity is sometimes also referred to as “amagnetic” or “non-magnetic”. It is preferably a non-ferromagnetic material.
  • NE metal non-ferrous metals or non-ferrous metals
  • other materials can also be provided, but in particular non-magnetic or weakly magnetic metals, for example also various stainless steels.
  • the electrical cable is concentric and preferably formed from exactly one inner conductor and one dielectric, which forms the cable sheath.
  • An electrical cable can also be provided which, in addition to an inner conductor, also has an outer conductor, the inner conductor and the outer conductor being separated by an insulator and the electrical cable also having a cable jacket encasing the outer conductor or the "dielectric" according to the invention.
  • a concentric structure is particularly suitable for use in high-frequency technology.
  • the electrical cable has at least one pair of inner conductors for differential signal transmission.
  • the pairs of inner conductors can, in particular, run twisted along the longitudinal axis of the connecting element or of the cable (in the manner of a “twisted pair” cable). However, the pairs of inner conductors can also be routed in parallel ("parallel pair").
  • the respective inner conductors can each be individually insulated from one another, in particular surrounded by a respective insulator.
  • the dielectric according to the invention can then envelop the plurality of inner conductors as a whole, for example in the manner of a cable sheath.
  • sections of the outer housing are reshaped along the longitudinal axis of the outer housing, wherein the sections can be distributed along the longitudinal axis and/or radially on the outer surface of the outer housing, for example in the form of notches.
  • the outer housing is reshaped along precisely one continuous section of the outer housing.
  • a uniform conversion and in particular a conversion of the longest possible, coherent Section be advantageous in order to transmit the electrical signals without interference, in particular without reflection.
  • securing or mechanically fixing the electrical cable by means of notches can represent an electrical imperfection, which can be avoided as best as possible by reshaping a single section that preferably extends between the plug connectors of the connecting element.
  • the at least one continuous section, along which the outer housing is formed extends at least along 50% of the overall length of the outer housing, preferably at least along 75% of the overall length of the outer housing, particularly preferably at least along 90% Total length of the outer housing and most preferably extends completely or over the full length between the connectors of the outer housing.
  • the at least one continuous section preferably assumes along the entire length of the outer housing, can be achieved by a single continuous section or else distributed over a number of sections. However, it is preferable to form a continuous single section.
  • the portion along which the outer case is deformed extends midway between the connectors of the outer case or midway between the two ends of the outer case.
  • a transition area with a variable outside diameter can be provided between the plug connectors, in particular round plug connectors with a first diameter, and the formed section of the outer housing with a second diameter.
  • the at least one section of the outer housing is shaped in such a way that the cross section of the outer housing in the shaped section has a circumference that is not circular.
  • the basic shape of the tubular outer housing or its cross section is preferably round or the circumference forms a circle (also referred to as the edge of a circle) and is brought into a different shape by the reshaping at least in the at least one section.
  • a round geometry or a circular circumference is particularly suitable for use in high-frequency technology due to the uniform distance between the wall of the outer housing and the inner conductor, which is why a round basic shape can be particularly preferred as the starting point for the outer housing.
  • the cross section in the formed section has two, three, four, five, six or more angular segments distributed uniformly along the circumference with the same, preferably constant radius and/or the same arc length.
  • the angular segments preferably have a constant radius.
  • the radius of the angle segments can also be variable along the circumference of the angle segment, for example following an elliptical shape.
  • the electrical cable can also be fixed with sufficient transmission properties even if if the angular segments have the same radius or arc length.
  • the angular segments have the same radius, preferably a constant radius, and the same arc length.
  • the connecting element is brought into a shape in the at least one section that has a cross-sectional geometry in which the angle segments have excellent high-frequency transmission properties due to the coaxiality.
  • (Compensating) angle segments can be provided between the angle segments with the same, preferably constant radius and the same arc length, which absorb the mass displaced during the forming process from the angle segments with the same radius and the same arc length. It has been shown that the (compensating) angle segments only negligibly deteriorate the electrical transmission properties of the connecting element. However, the fixing of the electric cable by means of the angle segments, each having the same radius and the same arc length, results in a high holding force, enables easy manufacture and, as already mentioned, has excellent high-frequency transmission properties. Exactly three angular segments distributed along the circumference are preferably provided with the same, preferably constant, radius and the same arc length, between which (compensating) angular segments are formed.
  • the angle segments are preferably of identical design and have an identical constant radius and the same arc length. However, it is also possible for the angular segments to have only the same, constant radius in each case, or for each to have the same arc length.
  • the angular segments have an identical but not constant radius.
  • the angular segments can have a course along their arc length or the circumference occupied by them that does not correspond to a constant radius.
  • an elliptical course or another course can be provided.
  • the angular segments have different profiles along the circumference or along the arc, that is to say that, for example, part of the angular segments has a constant radius and another part has a variable radius.
  • the various angle segments are arranged symmetrically, for example in such a way that the angle segments with deviating profiles are arranged alternately. Provision can also be made for the angle segments to be arranged in pairs in such a way that two identical angle segments always lie opposite one another as mirror images.
  • the angle segments can also have different arc lengths, with the angle segments preferably being arranged symmetrically, for example in such a way that angle segments with different arc lengths are arranged alternately and/or that angle segments with identical arc lengths are arranged in pairs and are arranged in mirror image around the longitudinal axis of the connecting element.
  • the at least one section of the outer housing is deformed in such a way that the cross section of the outer housing in the deformed section corresponds to a uniform thickness, preferably a Reuleaux triangle.
  • a "constant thickness” is a curve of constant width whose closed line always touches all four sides at any location within a corresponding square.
  • a uniform thickness geometry can produce particularly good electrical properties, as this allows areas with a precise distance from the inner conductor to ensure suitable electrical matching.
  • the volume fluctuation of the insulating part or the dielectric and the diameter fluctuation of the outer housing can be compensated for without impermissibly falsifying the electrical adaptation.
  • an equal thickness with a higher number of side surfaces than in a Reuleaux triangle can also be provided.
  • an equal thickness with four, five, six, seven, eight or even more side faces can be provided.
  • the outer housing is shaped by embossing or pressing or rolling.
  • the outer housing is radially embossed or rolled in the section or sections at three equally equidistant angular distances along the circumference, three circumferential sections arranged at a distance from one another have the same, preferably constant radius and are formed with the same arc length.
  • embossing jaws or embossing dies are used, which in a corresponding embossing or pressing process achieve the originally round cross-sectional geometry of the outer housing into the isdick cross-sectional geometry, in particular the Reuleaux triangle.
  • a connecting element can be provided with a cross-sectional geometry that is coaxial in at least three angular segments, i. H. Having angular segments with a constant radius.
  • the connecting element can have excellent transmission properties for high-frequency technology.
  • the inventors have recognized that the slightly deteriorated coaxiality in the remaining segments only negligibly degrades the electrical performance of the entire connecting element.
  • the overall diameter of the connecting element in section A can be, for example, 2 to 8 mm, preferably 2.5 to 4 mm, particularly preferably about 3 mm.
  • the diameter of the electrical cable can be, for example, 1 to 7 mm, preferably 1.5 to 2.5 mm, particularly preferably about 1.8 mm.
  • the diameter of the inner conductor can be 0.5 mm to 1 mm, for example, preferably about 0.7 mm.
  • the length of the connecting element can be, for example, 7 to 60 mm, preferably 7 to 20 mm, particularly preferably about 10 mm. In principle, however, the person skilled in the art can design the dimensions of the connecting element as desired, in particular with regard to the respective application and the distance between the printed circuit boards or electrical assemblies to be connected.
  • the invention also relates to an assembly connection for connecting a first electrical assembly and a second electrical assembly, having a connecting element, as shown above and below, and two mating connectors, which are designed for connection to the ends of the connecting element and for connection to one electrical assembly each .
  • the assembly connection is mounted in such a way that the mating connector is first connected to an electrical assembly, preferably be soldered or crimped or plugged on, and then the connecting element, which is preferably provided at each end with a connector, is inserted into the mating connector.
  • a plurality of assembly connections can be provided for connecting a first electrical assembly and a second electrical assembly.
  • one or both mating connectors are first connected to the connecting element and then the connection is made to an electrical assembly using the mating connector.
  • the invention also relates to a printed circuit board arrangement having at least a first printed circuit board and a second printed circuit board, the printed circuit boards being arranged in different planes running parallel to one another.
  • the surfaces of the printed circuit boards that can be fitted with electrical components run parallel to one another.
  • the printed circuit board arrangement can include any number of printed circuit boards, but at least two. Even if the invention is described below for the purpose of illustration essentially for the connection of two electrical printed circuit boards, the printed circuit board arrangement can, for example, also include three printed circuit boards, four printed circuit boards, five printed circuit boards or even more printed circuit boards.
  • the printed circuit boards to be connected to one another are preferably arranged parallel to one another in different planes.
  • a deviation from the parallel arrangement due to tolerances for example of up to 10°, preferably of up to 5° and particularly preferably of up to 4°, is to be understood as being encompassed by the term “parallel”.
  • the printed circuit boards can be in direct contact with one another or preferably spaced apart from one another, in particular having a gap between one another.
  • the printed circuit board arrangement comprises at least one connecting element arranged between the printed circuit boards in order to electrically and mechanically connect the printed circuit boards to one another.
  • the connecting element has a rigid, tubular outer housing made of an electrically conductive material and an electrical cable routed in the outer housing along a longitudinal axis of the outer housing.
  • the electrical cable has at least one inner conductor and a dielectric encasing the at least one inner conductor. At least a section of the outer housing is deformed along the longitudinal axis of the outer housing in such a way that the electrical cable is fixed in the outer housing.
  • Reshaping the outer housing can be particularly advantageous since, due to tolerances in a cost-effective production of the outer housing and/or the electrical cable, a press fit between the same is sometimes not possible or can lead to an insufficient mechanical holding force or electrically unsuitable asymmetry. Due to the forming according to the invention, component tolerances can neither interfere with the mechanical holding force nor significantly affect the electrical adaptation, which enables a stable mechanical connection of the circuit board arrangement and good signal transmission between the circuit boards, while at the same time cost-effective production of the individual components.
  • the connecting element (without mating connector) can also be referred to as an adapter part or "bullet" and is connected to the respective printed circuit board with its respective ends or plugged into a corresponding mating connector on the printed circuit board or directly into the printed circuit board.
  • At least one connecting element can be provided for connecting the printed circuit boards, but in principle any number of connecting elements can be provided, for example 2 connecting elements, 3 connecting elements, 4 connecting elements, 5 connecting elements, 10 fasteners, 50 fasteners, 100 fasteners or even more fasteners.
  • any number of connecting elements can be provided, for example 2 connecting elements, 3 connecting elements, 4 connecting elements, 5 connecting elements, 10 fasteners, 50 fasteners, 100 fasteners or even more fasteners.
  • a person skilled in the art can determine the number of connecting elements used depending on the number of electrical signals to be transmitted, for example the number of channels required.
  • the invention also relates to a method for producing a connecting element for connecting a first electrical assembly to a second electrical assembly, according to which an electrical cable having at least one inner conductor and a dielectric encasing the at least one inner conductor is pushed along a longitudinal axis into a rigid, tubular outer housing .
  • the outer housing is made of an electrically conductive material, with at least one section of the outer housing being reshaped along the longitudinal axis after the electrical cable has been pushed in such that the electrical cable is fixed in the outer housing.
  • a forming and joining method for constructing a connecting element for a printed circuit board arrangement is therefore provided.
  • a connector for connection to a respective mating connector of an electrical assembly is formed at the ends of the outer housing.
  • the inner diameter of the outer housing is preferably designed to be larger than the outer diameter of the electrical cable. This allows the electric cable to be joined or introduced into the outer housing in a particularly easy manner (free fit).
  • the outside diameter of the deep-drawn part can be 0.1% to 0.5% larger than the outside diameter of the electrical cable, for example up to 1%, 2%, 3%, 5% or even larger than the outside diameter of the electrical cable.
  • a cable blank or an electrical cable can be joined to a preferably drawn tube.
  • the joining process can preferably be carried out with a clearance fit, after which the tube or the outer housing is then compressed radially.
  • the cross section resulting from the forming can in particular be designed in such a way that both the mechanical and the electrical properties of the connecting element are optimized. For this purpose, for example, high-frequency simulations can be used beforehand.
  • connecting element By optimizing the electrical properties of the connecting element with a simultaneously high mechanical holding force of the electrical cable in the outer housing, a connecting element with particularly fast and trouble-free data transmission can be provided according to the invention. Furthermore, the construction of the connecting element can be inexpensive and thus suitable for mass production.
  • the electrical cable is fixed in the outer housing by its reshaping, no chips, scrapings or other abrasive damage can occur on the insulating part or on the dielectric during the production of the connecting element.
  • the electrical cable is preferably made from exactly one inner conductor, in particular a metallic inner conductor, which is then overmoulded with a non-conductive material or a dielectric.
  • the electrical cable can also have other inner conductors.
  • a concentric cable is used.
  • the outer housing is made of a non-magnetic material, most preferably brass.
  • the outer housing is deep-drawn, extruded or turned from a metallic blank.
  • the at least one section of the outer housing is reshaped by embossing and/or rolling.
  • any desired forming process or any desired forming technique can be provided, including bending, for example.
  • an embossing or rolling technique is particularly suitable.
  • Subsequent shaping of the outer housing means that the electrical cable can also be joined with greater diameter tolerances, with good mechanical retention and optimum electrical design nevertheless being able to take place.
  • An axial rolling process i. H. rolling along the longitudinal axis of the outer shell.
  • a radial rolling process can also be provided, in which rolling takes place radially or tangentially along the outer circumference of the outer housing.
  • the section of the outer housing can be reshaped by longitudinal rolling, stretching rolling, transverse rolling, ring rolling and/or diagonal rolling.
  • the at least one section of the outer housing is reshaped by embossing using two or more embossing jaws, preferably three or more embossing jaws.
  • the reshaping preferably takes place in such a way that the cross section of the reshaped section corresponds to a uniform thickness, preferably a Reuleaux triangle.
  • the number of embossing jaws preferably corresponds to the number of side faces of the same thickness; for example, three embossing jaws are provided for reshaping the cross section into a Reuleaux triangle.
  • the cross section of the outer housing can have areas that are very precisely defined by the closed embossing dies or embossing jaws and in which the mechanical and electrical properties dominate, as well as areas that compensate for the component tolerances and the fit play.
  • embossing jaws or embossing stamps instead of embossing jaws or embossing stamps, other suitably designed pressing or embossing tools can also be used.
  • the at least two embossing jaws each have a central area forming an embossing surface, the course of which corresponds to the course of the circumference of the cross section of the outer housing after embossing, and the course of the embossing jaws in the outer areas around the central Area around each set back to the outside to accommodate displaced by the embossing material of the outer housing during embossing.
  • An area that is set back with respect to the central area of the cross section of the embossing jaws is particularly suitable for accommodating material of the outer housing that has been displaced due to tolerances.
  • the embossing die or each embossing jaw can thus have a curvature in the central area, with the curvature corresponding to the curvature in the respective adjacent area of the outer housing at the end of the embossing process.
  • the outer housing in the section or sections is radially embossed or rolled at three circumferential sections distributed evenly along the circumference in such a way that the three circumferential sections arranged at a distance from one another are formed with the same, preferably constant radius and the same arc lengths be formed between two circumferential sections, a compensating section which absorbs material displaced by the embossed or rolled circumferential sections.
  • the compensating section also referred to above as the (compensating) peripheral section, makes it possible for material displaced during the embossing or rolling process to escape.
  • the embossing jaws or embossing stamps can be designed accordingly.
  • the radius does not necessarily have to be constant.
  • Other curvatures are also possible here, for example an elliptical course can be provided.
  • a constant radius is preferable in order to achieve particularly good electrical transmission properties.
  • the embossing jaws can also be designed in such a way that the arc length of the angle segments is not the same length.
  • the embossing jaws are preferably arranged at least in such a way that they symmetrically emboss or press in the outer housing, so that the cross-sectional area of the outer housing has a symmetrical shape in the embossed or pressed area.
  • connection element according to the invention is preferably suitable for the transmission of high-frequency signals.
  • the connecting element can also be used to transmit low-frequency signals or to transmit electrical supply signals.
  • a printed circuit board arrangement 1 is shown in a sectional view.
  • the printed circuit board arrangement 1 has a first printed circuit board 2 and a second printed circuit board 3, which are arranged in different planes running parallel to one another. In principle, however, further printed circuit boards can also be provided within the scope of the invention.
  • a connecting element 4 is arranged between the printed circuit boards 2, 3 in order to electrically connect the printed circuit boards 2, 3 to one another.
  • FIG 1 For the sake of clarity, a state of the connecting element 4 with the printed circuit boards 2, 3 that has not yet been plugged in is shown.
  • any number of connecting elements 4 for the electrical and mechanical connection of the printed circuit boards 2, 3 can be provided.
  • the connecting element can in particular connect an electrical circuit 2.1 of the first printed circuit board 2 to an electrical circuit 3.1 of the second printed circuit board 3.2, in particular for the transmission of high-bit-rate signals between the electrical circuits 2.1, 3.1.
  • the connecting element 4 and the assembly connection according to the invention are suitable for the mechanical and electrical connection between any electrical assemblies, in particular a first electrical assembly and a second electrical assembly.
  • any electrical assemblies in particular a first electrical assembly and a second electrical assembly.
  • the connecting element 4 in relation to the connection of two printed circuit boards 2, 3 is described in the exemplary embodiment; i.e. H. a specific variant in which the first electrical assembly is designed as a first printed circuit board 3 and the second electrical assembly is designed as a second printed circuit board 4 .
  • this is not to be understood as restricting the invention.
  • the connecting element 4 comprises a rigid, tubular outer housing 5 made of an electrically conductive material and an electrical cable 6 guided in the outer housing 5 along a longitudinal axis L of the outer housing 5 or the connecting element 4.
  • the electrically conductive material of the outer housing 5 can preferably be non-magnetic, consist in particular of a non-magnetic material. Brass is preferably used.
  • the electrical cable 6 has at least one inner conductor 7 , in the exemplary embodiment exactly one inner conductor 7 , and a dielectric 8 encasing the inner conductor 7 .
  • the electrical cable 6 illustrated in the exemplary embodiments is a concentrically designed electrical cable 6 which consists of exactly one inner conductor 7 and a dielectric 8 forming a cable sheath. In principle, however, it can also be provided that the electrical cable 6 has a plurality of inner conductors 7, for example at least one pair of inner conductors, which is preferably provided for differential signal transmission.
  • the outer housing 5 of the connecting element 4 which serves as the outer conductor of the connecting element 4, has a connector 9 at each of its ends for connection to a respective mating connector 10 of the respective printed circuit board 2, 3.
  • the inner conductor 7 is also connected to the mating connector 10 .
  • the plug connectors 9 of the connecting element 4 are, as shown in the exemplary embodiment, preferably designed to be round.
  • the connectors 9 are formed according to the invention in that the outer housing 5 is widened at its ends or has an enlarged diameter.
  • the connectors can also be omitted.
  • the connecting element 4 can then optionally also be plugged directly into the printed circuit boards 2, 3 or using any suitable connection technique, e.g. B. soldering or crimping, with the printed circuit boards 2, 3 to be connected.
  • Section A can extend at least along 50% of the total length of the outer housing 5, but preferably along 75% of the total length of the outer housing 5, particularly preferably at least along 90% of the total length of the outer housing 5 and very particularly preferably completely between extend the connectors 9 of the outer housing 5, as provided in the embodiment.
  • Section A can also extend completely over the entire length of the connecting element 4, in particular if the plug connector 9 is omitted.
  • a reshaping of one or more sections of the outer housing 5 in the form of notches can also be provided in order to fix the electrical cable 6 in the outer housing.
  • this is not preferred in view of the then deteriorated electrical properties.
  • FIG figure 2 an isometric view of the outer housing 5 of the connecting element 4 with a graphic highlighting of the cross section Q of the formed section A of the outer housing 5.
  • the cross section Q resulting after the forming is also shown in FIG figure 4 shown.
  • a tubular outer housing 5 is provided from a round, metallic blank, with the outer housing 5 preferably being deep-drawn, extruded or turned from the metallic blank.
  • the at least one section A of the outer housing 5 is then reshaped in such a way that the cross section Q of the outer housing 5 in the reshaped section A is no longer round or the circumference is no longer circular (cf. figure 2 and figure 4 ).
  • the at least one section of the outer housing 5 is preferably deformed in such a way that the cross section Q of the outer housing 5 in the deformed section A follows a uniform thickness, in the exemplary embodiment a Reuleaux triangle.
  • the electrical cable 6, which has the at least one inner conductor 7 and the dielectric 8 is pushed into the outer housing 5 along the longitudinal axis L, preferably with sufficient press play, after which the at least one section A of the outer housing 5 is reshaped along the longitudinal axis L in such a way that the electrical cable 6 is fixed in the outer housing 5 .
  • Section A of the outer housing 5 can be formed, for example, by embossing and/or rolling (axially or radially). The forming preferably takes place by embossing.
  • the Figures 3 and 4 show for further clarification the cross section Q of the connecting element 4 before the embossing process ( figure 3 ) and after the embossing process ( figure 4 ).
  • the outer diameter of the electric wire 6 is made smaller than the inner diameter of the outer case 5 for easy insertion into the outer case 5. Accordingly, there is play between the outer case 5 and the electric wire 6.
  • Two or more embossing jaws 11 can be provided for fixing the electrical cable 6 by means of an advantageous embossing process.
  • three embossing jaws 11 are provided, as shown in the exemplary embodiment, in particular in order to reshape section A in such a way that after reshaping, cross section Q follows a uniform thickness, for example a Reuleaux triangle.
  • the embossing surface 12 of the embossing jaws 11 can be in a cross section in a central area B M (cf. figure 4 ) correspond to the course of the cross section Q of the outer housing 5 after embossing.
  • the outer regions B A (cf. FIG. 4) can each be set back around the middle region B M .
  • the outer housing 5 is radially pressed or embossed or rolled on three circumferential sections distributed evenly along the circumference in such a way that the three circumferential sections arranged at a distance from one another are formed with the same and constant radius and the same arc lengths.
  • a compensating section is located between each two of these peripheral sections, which absorbs material displaced by the pressed-in or embossed or rolled peripheral sections.
  • the compensating sections are located within the angular sections of the outer areas B A and are each of two adjacent Outer areas B A of two adjacent embossing jaws 11 are formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Wire Bonding (AREA)
  • Combinations Of Printed Boards (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP18195460.3A 2018-09-19 2018-09-19 Verbindungselement, baugruppenverbindung, leiterplattenanordnung und verfahren zur herstellung eines verbindungselements Active EP3627635B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP18195460.3A EP3627635B1 (de) 2018-09-19 2018-09-19 Verbindungselement, baugruppenverbindung, leiterplattenanordnung und verfahren zur herstellung eines verbindungselements
FIEP18195460.3T FI3627635T3 (fi) 2018-09-19 2018-09-19 Liitoselementti, rakenneryhmän liitos, piirilevyjärjestely ja menetelmä liitoselementin valmistamiseksi
EP18215544.0A EP3627636B2 (de) 2018-09-19 2018-12-21 Elektrische steckverbindung, baugruppenverbindung und leiterplattenanordnung
US16/574,778 US11251551B2 (en) 2018-09-19 2019-09-18 Connecting element, assembly connection and circuit board arrangement
CN201910886405.2A CN110932003B (zh) 2018-09-19 2019-09-19 连接元件、组件连接件、电路板装置和制造连接元件方法
US16/991,289 US11251552B2 (en) 2018-09-19 2020-08-12 Method for the manufacture of a connecting element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18195460.3A EP3627635B1 (de) 2018-09-19 2018-09-19 Verbindungselement, baugruppenverbindung, leiterplattenanordnung und verfahren zur herstellung eines verbindungselements

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EP18215544.0A Active EP3627636B2 (de) 2018-09-19 2018-12-21 Elektrische steckverbindung, baugruppenverbindung und leiterplattenanordnung

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EP3671978A1 (de) 2018-12-21 2020-06-24 Rosenberger Hochfrequenztechnik GmbH & Co. KG Elektrische steckverbindung, baugruppenverbindung und leiterplattenanordnung
CN214254973U (zh) * 2021-02-02 2021-09-21 康普技术有限责任公司 用于无线通信设备的内部印刷电路板对印刷电路板连接器
CN117616637A (zh) 2021-07-06 2024-02-27 罗森伯格高频技术有限及两合公司 接触套筒、连接装置、信号传输系统以及制作连接装置的方法

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EP3627635A1 (de) 2020-03-25
US20200091636A1 (en) 2020-03-19
FI3627635T3 (fi) 2023-03-22
US20200373694A1 (en) 2020-11-26
CN110932003B (zh) 2024-03-12
CN110932003A (zh) 2020-03-27
US11251552B2 (en) 2022-02-15
EP3627636B2 (de) 2023-11-08
US11251551B2 (en) 2022-02-15
EP3627636A1 (de) 2020-03-25
EP3627636B1 (de) 2020-11-04

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