EP3738175B1 - Plug connector assembly - Google Patents

Plug connector assembly Download PDF

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Publication number
EP3738175B1
EP3738175B1 EP19700382.5A EP19700382A EP3738175B1 EP 3738175 B1 EP3738175 B1 EP 3738175B1 EP 19700382 A EP19700382 A EP 19700382A EP 3738175 B1 EP3738175 B1 EP 3738175B1
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EP
European Patent Office
Prior art keywords
connector
stamped
parts
circuit board
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
EP19700382.5A
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German (de)
French (fr)
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EP3738175A1 (en
Inventor
Herbert Plate
Manuel Blauscheck
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Kostal Kontakt Systeme GmbH
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Kostal Kontakt Systeme GmbH
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Publication of EP3738175A1 publication Critical patent/EP3738175A1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the 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
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • 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
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/707—Soldering or welding
    • 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
    • H01R12/724—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 containing contact members forming a right angle
    • 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
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon 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
    • 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
    • H01R13/6275—Latching arms not integral with the housing
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full 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
    • 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
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • H01R13/7033—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity making use of elastic extensions of the terminals

Definitions

  • the invention relates to a connector arrangement with a first connector part, which has a plurality of first contact elements arranged on a printed circuit board, and with a second connector part, which can be attached to the first connector part and which holds a plurality of second contact elements on a base body, which are connected to the first contact elements of the first connector part can be electrically and mechanically connected, with a stamped and bent part being fastened to the printed circuit board on both sides next to the first connector part, with the two stamped and bent parts having spring arms and with a section of at least one spring arm latching into a latching recess on the base body when the first and second connector parts are connected.
  • the document U.S. 2015/295364 A1 discloses a connector arrangement with a first connector part, which has a plurality of first contact elements arranged on a printed circuit board, and with a second connector part, which can be attached to the first connector part and which holds a plurality of second contact elements on a base body, which are electrically connected to the first contact elements of the first connector part and are mechanically connectable.
  • a stamped and bent part is attached to the circuit board on both sides next to the first connector part, and a metal connecting element (custom shell) is arranged on the base body, which electrically connects the two stamped and bent parts to one another via two spring arms when the connector parts are fully assembled, which are either attached to the stamped and bent parts or to are integrally formed on the connecting element.
  • first connector part can be connected to the second connector part in a simple and functionally reliable manner.
  • Locking elements are known for this purpose, which are realized, for example, by displaceable housing parts of the connector parts.
  • contact elements of one connector part are electrically bridged via contact elements of the other connector part, which can then be queried and recognized by electronics.
  • the disadvantage here is that such a query requires at least one additional line path via a connection of first and second contact elements, which means that the connector arrangement must have correspondingly large dimensions.
  • a particular disadvantage here is that, due to tolerances, such a short-circuit bridge already signals that a plug-in connection has been made, even before the plug-in connector parts have reached their final connection position. A detection of whether the connection of the connector parts is completely and correctly established is therefore not guaranteed.
  • the object was to create a connector arrangement in which a complete connection of the first and second connector parts can be determined in a particularly simple and reliable manner.
  • the solution provides for stamped and bent parts attached to the printed circuit board, which can create mechanical connections to the second connector part via spring arms.
  • spring arms of the stamped and bent parts engage in latching recesses on the base body of the second connector part and thereby at the same time produce at least one electrical connection to contact elements of the second connector part.
  • stamped and bent part is to be understood here in a broad sense, namely as a sheet metal part formed by stamping, which has at least one section bent at right angles or approximately at right angles. It should be irrelevant here whether the bending takes place at the same time as the punching or in a subsequent work step.
  • the stamped and bent parts can be fastened to the printed circuit board, for example, by means of press-in zones that are formed on angled fastening strips of the stamped and bent parts.
  • the fastening strips preferably form simple soldering areas which are soldered to contact areas or conductor tracks on the surface of the printed circuit board.
  • the latching of the spring arms in the latching recesses of the base body of the second connector part also enables secure mechanical fixing of the second connector part to the printed circuit board and at the same time to the first connector part arranged on the printed circuit board in a particularly simple manner.
  • no latching elements are required on the first connector part.
  • the stamped and bent parts are electrically connected to one another by spring arms via the connecting element.
  • the spring arms can be designed either as sections of the stamped and bent parts or as sections of the connecting element.
  • FIG. 1 shows a first connector part 10 which is arranged on a printed circuit board 50 and is connected to a second connector part 20 . From the second connector part 20 go from' several connecting lines 60, which are in the figure 1 are not recognizable contact elements of the second connector part 20 are electrically connected.
  • the two stamped and bent parts 40a, 40b are designed to be mirror-symmetrical to one another and each have a vertical frame section 46 in which a rectangular spring arm 42a, 42b is arranged in a rectangular recess 47.
  • Each spring arm 42a, 42b is connected at its upper and lower edge to the frame section 46 via a short and narrow metal strip 45 and is thus pivotably mounted against the frame section 46.
  • Each stamped and bent part 40a, 40b has a narrow fastening strip 41 on the underside of its frame section 46, which is bent at right angles to the frame section 46.
  • the stamped and bent parts 40a, 40b each have a bulge on their spring arms 42a, 42b, which is referred to below as a contact cup 48.
  • the fastening strips 41 lie on the surface 52 of the printed circuit board 50 and are used to fasten the stamped and bent parts 40a, 40b.
  • the stamped and bent parts 40a, 40b comparable to electronic SMD components, are preferably soldered to contact surfaces or conductor tracks (not shown here) on the surface 52 of the printed circuit board 50.
  • the fastening strips 41 can have press-in zones (not shown) on their underside, which are inserted into bores (also not shown) in the printed circuit board 50 .
  • the Figures 3 and 4 illustrate the connection process of the first and the second connector part 10, 20 in a sectional view.
  • the first contact elements 12 belonging to the first connector part 10 are held by a contact carrier 14 made of plastic and that the front end sections of the first contact elements 12 designed as flat plugs are inserted into second contact elements 22 of the second connector part 20 designed as sockets.
  • the second contact elements 22 are electrically connected to connecting lines 60 led out of the connector part 20 and are held by an insulating base body 30 .
  • the base body 30 On its two side surfaces parallel to the second contact elements 22, the base body 30 has a latching recess 32a, 32b.
  • the contact balls 48 are engaged in the recesses 32a, 32b, which in the figure 4 is shown.
  • the contact bowls 48 are also in contact with sections of the second contact elements 22 of the second connector part 20 that are accessible through the latching recesses 32a, 32b.
  • the resulting electrical connection between the stamped and bent parts 40a, 40b and the contact elements 22 can be detected by electronics and evaluated to detect and/or monitor a complete connection between the connector parts 10, 20.
  • the electronics check, for example, the potentials or signal curves present on the contact elements 22 connected to the stamped and bent parts 40a, 40b for plausible values.
  • the contact cups 48 formed on the spring arms 42a, 42b serve the purpose of creating a particularly good electrical connection to the metal contact elements 22 and at the same time form mechanical latching hooks on the spring arms 42a, 42b.
  • the contact balls 48 on the spring arms 42a, 42b of the two stamped and bent parts 40a, 40b are spring-loaded into the latching recesses 32a, 32b. Since the stamped and bent parts 40a, 40b are mechanically firmly connected to the printed circuit board 50, the second connector part 20 is mechanically fixed both relative to the printed circuit board 50 and relative to the first connector part 10 via the spring arms 42a, 42b.

Description

Die Erfindung betrifft eine Steckverbinderanordnung mit einem ersten Steckverbinderteil, welches mehrere auf einer Leiterplatte angeordnete erste Kontaktelemente aufweist, und mit einem zweiten Steckverbinderteil, das an das erste Steckverbinderteil anfügbar ist und das an einem Grundkörper mehrere zweite Kontaktelemente hält, die mit den ersten Kontaktelementen des ersten Steckverbinderteils elektrisch und mechanisch verbindbar sind, wobei beidseitig neben dem ersten Steckverbinderteil jeweils ein Stanzbiegeteil auf der Leiterplatte befestigt ist, wobei die beiden Stanzbiegeteile Federarme aufweisen und wobei beim Verbinden des ersten und des zweiten Steckverbinderteils ein Abschnitt mindestens eines Federarms in eine Rastausnehmung am Grundkörper einrastet.The invention relates to a connector arrangement with a first connector part, which has a plurality of first contact elements arranged on a printed circuit board, and with a second connector part, which can be attached to the first connector part and which holds a plurality of second contact elements on a base body, which are connected to the first contact elements of the first connector part can be electrically and mechanically connected, with a stamped and bent part being fastened to the printed circuit board on both sides next to the first connector part, with the two stamped and bent parts having spring arms and with a section of at least one spring arm latching into a latching recess on the base body when the first and second connector parts are connected.

Eine derartige Steckverbinderanordnung ist aus der internationalen Patentanmeldung WO 2008/150523 A2 bekannt.Such a connector arrangement is from the international patent application WO 2008/150523 A2 famous.

Das Dokument US 2015/295364 A1 offenbart eine Steckverbinderanordnung mit einem ersten Steckverbinderteil, welches mehrere an einer Leiterplatte angeordnete erste Kontaktelemente aufweist, und mit einem zweiten Steckverbinderteil, das an das erste Steckverbinderteil anfügbar ist und das an einem Grundkörper mehrere zweite Kontaktelemente hält, die mit den ersten Kontaktelementen des ersten Steckverbinderteils elektrisch und mechanisch verbindbar sind. wobei beidseitig neben dem ersten Steckverbinderteil jeweils ein Stanzbiegeteil auf der Leiterplatte befestigt ist, und am Grundkörper ein metallenes Verbindungselement (custom shell) angeordnet ist, das bei vollständig zusammengefügten Steckverbinderteilen die beiden Stanzbiegeteile über zwei Federarme elektrisch miteinander verbindet, welche entweder an den Stanzbiegeteilen oder an dem Verbindungselement einstückig angeformt sind.The document U.S. 2015/295364 A1 discloses a connector arrangement with a first connector part, which has a plurality of first contact elements arranged on a printed circuit board, and with a second connector part, which can be attached to the first connector part and which holds a plurality of second contact elements on a base body, which are electrically connected to the first contact elements of the first connector part and are mechanically connectable. a stamped and bent part is attached to the circuit board on both sides next to the first connector part, and a metal connecting element (custom shell) is arranged on the base body, which electrically connects the two stamped and bent parts to one another via two spring arms when the connector parts are fully assembled, which are either attached to the stamped and bent parts or to are integrally formed on the connecting element.

Erforderlich ist bei solchen Steckverbinderanordnungen, dass das erste Steckverbinderteil mit dem zweiten Steckverbinderteil auf einfache und funktionssichere Weise verbunden werden kann. Insbesondere soll ein versehentliches Trennen der beiden Steckverbinderteile sicher verhindert werden können. Hierzu sind Verriegelungselemente bekannt, die beispielsweise durch verschiebbare Gehäuseteile der Steckverbinderteile realisiert sind.It is necessary with such connector arrangements that the first connector part can be connected to the second connector part in a simple and functionally reliable manner. In particular, it should be possible to reliably prevent accidental disconnection of the two connector parts. Locking elements are known for this purpose, which are realized, for example, by displaceable housing parts of the connector parts.

Darüber hinaus ist oftmals eine Kontrollmöglichkeit erwünscht, durch die feststellbar ist, ob das erste und das zweites Steckverbinderteil korrekt miteinander verbunden sind.In addition, it is often desirable to have the option of checking whether the first and second connector parts are correctly connected to one another.

Hierzu kann etwa vorgesehen sein, dass Kontaktelemente des einen Steckverbinderteils über Kontaktelemente des anderen Steckverbinderteils elektrisch überbrückt werden, was dann durch eine Elektronik abgefragt und erkannt werden kann. Nachteilig hierbei ist, dass eine solche Abfrage mindestens einen zusätzlichen Leitungspfad über eine Verbindung erster und zweiter Kontaktelemente benötigt, woraus folgt, dass die Steckverbinderanordnung entsprechend große Abmessungen aufweisen muss. Besonders nachteilig hierbei ist, dass durch eine solche Kurzschlussbrücke toleranzbedingt eine hergestellte Steckverbindung bereits gemeldet wird, noch bevor die Steckverbinderteile ihre endgültige Verbindungsposition erreicht haben. Eine Erkennung, ob die Verbindung der Steckverbinderteile vollständig und korrekt hergestellt ist, ist somit nicht gewährleistet.For this purpose it can be provided, for example, that contact elements of one connector part are electrically bridged via contact elements of the other connector part, which can then be queried and recognized by electronics. The disadvantage here is that such a query requires at least one additional line path via a connection of first and second contact elements, which means that the connector arrangement must have correspondingly large dimensions. A particular disadvantage here is that, due to tolerances, such a short-circuit bridge already signals that a plug-in connection has been made, even before the plug-in connector parts have reached their final connection position. A detection of whether the connection of the connector parts is completely and correctly established is therefore not guaranteed.

Es stellte sich die Aufgabe, eine Steckverbinderanordnung zu schaffen, bei der eine vollständige Verbindung des ersten und zweiten Steckverbinderteils auf besonders einfache und zuverlässige Weise festgestellt werden kann.The object was to create a connector arrangement in which a complete connection of the first and second connector parts can be determined in a particularly simple and reliable manner.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass beim Verbinden des ersten und des zweiten Steckverbinderteils der Abschnitt des mindestens einen Federarms eine elektrische Verbindung zu einem der zweiten Kontaktelemente herstellt.This object is achieved in that when connecting of the first and the second connector part, the section of the at least one spring arm produces an electrical connection to one of the second contact elements.

Die Lösung sieht auf der Leiterplatte befestigte Stanzbiegeteile vor, die über Federarme mechanische Verbindungen zum zweiten Steckverbinderteil herstellen können. Dabei greifen bei vollständigen verbundenen Steckverbinderteilen Federarme der Stanzbiegeteile in Rastausnehmungen am Grundkörper des zweiten Steckverbinderteils ein und stellen dadurch zugleich mindestens eine elektrische Verbindung zu Kontaktelementen des zweiten Steckverbinderteils her.The solution provides for stamped and bent parts attached to the printed circuit board, which can create mechanical connections to the second connector part via spring arms. When the connector parts are completely connected, spring arms of the stamped and bent parts engage in latching recesses on the base body of the second connector part and thereby at the same time produce at least one electrical connection to contact elements of the second connector part.

Der Begriff Stanzbiegeteil soll hier in einem weiten Sinne verstanden werden, und zwar als ein durch Stanzen geformtes Blechteil, welches wenigsten einen rechtwinklig oder annähernd rechtwinklig abgebogenen Abschnitt aufweist. Hierbei soll es unerheblich sein, ob das Abbiegen zugleich mit dem Stanzen oder in einem nachfolgenden Arbeitsschritt erfolgt.The term stamped and bent part is to be understood here in a broad sense, namely as a sheet metal part formed by stamping, which has at least one section bent at right angles or approximately at right angles. It should be irrelevant here whether the bending takes place at the same time as the punching or in a subsequent work step.

Die Befestigung der Stanzbiegeteile an der Leiterplatte kann etwa durch Einpresszonen erfolgen, die an abgewinkelt angeformten Befestigungsstreifen der Stanzbiegeteile angeformt sind. Bevorzugt bilden die Befestigungsstreifen einfache Lötflächen aus, die mit Kontaktflächen oder Leiterbahnen auf der Oberfläche der Leiterplatte verlötet werden.The stamped and bent parts can be fastened to the printed circuit board, for example, by means of press-in zones that are formed on angled fastening strips of the stamped and bent parts. The fastening strips preferably form simple soldering areas which are soldered to contact areas or conductor tracks on the surface of the printed circuit board.

Das Einrasten der Federarme in den Rastausnehmungen des Grundkörpers des zweiten Steckverbinderteils ermöglicht auf besonders einfache Weise zudem eine sichere mechanische Fixierung des zweiten Steckverbinderteils an der Leiterplatte und zugleich auch an dem an der Leiterplatte angeordneten ersten Steckverbinderteil. Vorteilhafterweise werden dazu keinerlei Rastelemente am ersten Steckverbinderteil benötigt.The latching of the spring arms in the latching recesses of the base body of the second connector part also enables secure mechanical fixing of the second connector part to the printed circuit board and at the same time to the first connector part arranged on the printed circuit board in a particularly simple manner. Advantageously, no latching elements are required on the first connector part.

Durch Anfügen eines einfach geformten metallenen Verbindungselements an den Grundkörper des zweiten Steckverbinderteils kann eine weitere elektrische oder elektronische Überwachungsmöglichkeit für den Anfügezustand des zweiten Steckverbinderteils an der Leiterplatte geschaffen werden. Die Stanzbiegeteile werden durch Federarme über das Verbindungselement elektrisch miteinander verbunden. Dabei können die Federarme entweder als Abschnitte der Stanzbiegeteile oder als Abschnitte des Verbindungselements ausgebildet sein.By attaching a metal connecting element of simple shape to the base body of the second connector part, a further possibility for electrical or electronic monitoring of the attachment status of the second connector part to the printed circuit board can be created. The stamped and bent parts are electrically connected to one another by spring arms via the connecting element. The spring arms can be designed either as sections of the stamped and bent parts or as sections of the connecting element.

Da in jedem Fall eine Anordnung der beiden Stanzbiegeteile auf der Oberfläche der Leiterplatte vorgesehen ist, erfordert es kaum zusätzlichen Aufwand, die Stanzbiegeteile auch elektrisch mit Leiterbahnen der Leiterplatte zu verbinden. Die Prüfung, ob eine Steckverbindung korrekt hergestellt ist, kann so auf eine einfache Abfrage zurückgeführt werden, welche ermittelt, ob eine elektrische Verbindung zwischen zwei einander gegenüber stehenden Stanzbiegeteilen besteht. Diese Prüfung kann durch eine einfache Elektronik erfolgen, die auf der Leiterplatte angeordnet oder mit der Leiterplatte verbunden ist, und die hier nicht näher beschrieben werden soll.Since an arrangement of the two stamped and bent parts is provided on the surface of the printed circuit board in any case, it requires hardly any additional effort to also connect the stamped and bent parts electrically to conductor tracks on the printed circuit board. The check as to whether a plug-in connection has been made correctly can be traced back to a simple query, which determines whether there is an electrical connection between two stamped and bent parts located opposite one another. This check can be carried out by simple electronics which are arranged on the printed circuit board or connected to the printed circuit board and which will not be described in any more detail here.

Vorteilhaft hierbei ist, dass hierzu keine Kontaktelemente der beiden Steckverbinderteile belegt werden müssen, und auch, dass keine zusätzlichen Anschlussleitungen benötigt werden.The advantage here is that no contact elements of the two connector parts have to be occupied for this purpose, and also that no additional connection lines are required.

Besonders vorteilhaft ist, dass so bei hoch sicherheitsrelevanten Steuerungen - wie beispielsweise etwa bei Kameras oder Sensoren in autonom fahrenden Kraftfahrzeugen - das Bestehen der Verbindung der Steckverbinderteile permanent überwacht werden kann, ohne dass hierzu die Polzahl oder die Baugröße der Steckverbinderteile vergrößert werden müsste.It is particularly advantageous that in the case of highly safety-relevant controls - such as cameras or sensors in autonomous vehicles - the existence of the connection of the connector parts can be permanently monitored without the number of poles or the size of the connector parts having to be increased for this purpose.

Nachfolgend soll ein Ausführungsbeispiel der Erfindung anhand der Zeichnung dargestellt und näher erläutert werden. Es zeigen

Figur 1
eine Steckverbinderanordnung,
Figur 2
Stanzbiegeteile der Steckverbinderanordnung,
Figur 3
einen ersten Verbindungszustand der Steckverbinderanordnung (in einer Schnittansicht),
Figur 4
einen zweiten Verbindungszustand der Steckverbinderanordnung (in einer Schnittansicht).
An exemplary embodiment of the invention is to be illustrated and explained in more detail below with reference to the drawing. Show it
figure 1
a connector assembly,
figure 2
stamped and bent parts of the connector assembly,
figure 3
a first connection state of the connector assembly (in a sectional view),
figure 4
a second connection state of the connector assembly (in a sectional view).

Die Figuren 1 bis 4 stellen ein Ausführungsbeispiel einer erfindungsgemäß ausgebildeten Steckverbinderanordnung dar. Die Figur 1 zeigt ein erstes Steckverbinderteil 10, welches auf einer Leiterplatte 50 angeordnet ist und mit einem zweiten Steckverbinderteil 20 verbunden ist. Von dem zweiten Steckverbinderteil 20 gehen'mehrere Anschlussleitungen 60 ab, die mit in der Figur 1 nicht erkennbaren Kontaktelementen des zweiten Steckverbinderteils 20 elektrisch verbunden sind.the Figures 1 to 4 represent an embodiment of a connector assembly designed according to the invention figure 1 shows a first connector part 10 which is arranged on a printed circuit board 50 and is connected to a second connector part 20 . From the second connector part 20 go from' several connecting lines 60, which are in the figure 1 are not recognizable contact elements of the second connector part 20 are electrically connected.

Des Weiteren ist in der Figur 1 neben den Steckverbinderteilen 10, 20 eines von zwei vorhandenen Stanzbiegeteilen 40a, 40b erkennbar, die in der Figur 2 als Einzelteile gemeinsam dargestellt sind. Die beiden Stanzbiegeteile 40a, 40b sind zueinander spiegelsymmetrisch ausgebildet und weisen jeweils einen senkrechten Rahmenabschnitt 46 auf, in dem jeweils ein rechteckförmiger Federarm 42a, 42b in einer rechteckförmigen Ausnehmung 47 angeordnet ist. Jeder Federarm 42a, 42b ist an seiner oberen und unteren Kante über einen kurzen und schmalen Metallstreifen 45 mit dem Rahmenabschnitt 46 verbunden und so gegen den Rahmenabschnitt 46 verschwenkbar gelagert. Jedes Stanzbiegeteil 40a, 40b weist an der Unterseite seines Rahmenabschnitts 46 einen schmalen Befestigungsstreifen 41 auf, der gegen den Rahmenabschnitt 46 rechtwinklig abgebogen ist. Zudem besitzen die Stanzbiegeteile 40a, 40b an ihren Federarmen 42a, 42b jeweils eine Ausbuchtung, welche nachfolgend als Kontaktkümpel 48 bezeichnet wird.Furthermore, in the figure 1 next to the connector parts 10, 20 of two existing stamped and bent parts 40a, 40b recognizable in the figure 2 are shown together as individual parts. The two stamped and bent parts 40a, 40b are designed to be mirror-symmetrical to one another and each have a vertical frame section 46 in which a rectangular spring arm 42a, 42b is arranged in a rectangular recess 47. Each spring arm 42a, 42b is connected at its upper and lower edge to the frame section 46 via a short and narrow metal strip 45 and is thus pivotably mounted against the frame section 46. Each stamped and bent part 40a, 40b has a narrow fastening strip 41 on the underside of its frame section 46, which is bent at right angles to the frame section 46. In addition, the stamped and bent parts 40a, 40b each have a bulge on their spring arms 42a, 42b, which is referred to below as a contact cup 48.

Bei der montierten Steckverbinderanordnung liegen die Befestigungsstreifen 41 auf der Oberfläche 52 der Leiterplatte 50 auf und dienen zur Befestigung der Stanzbiegeteile 40a, 40b. Bevorzugt sind dazu die Stanzbiegeteile 40a, 40b, vergleichbar mit elektronischen SMD-Bauteilen, mit (hier nicht dargestellten) Kontaktflächen oder Leiterbahnen auf der Oberfläche 52 der Leiterplatte 50 verlötet. Alternativ können die Befestigungsstreifen 41 auf ihrer Unterseite (nicht dargestellte) Einpresszonen aufweisen, die in (ebenfalls nicht dargestellte) Bohrungen der Leiterplatte 50 eingesetzt sind.When the connector assembly is assembled, the fastening strips 41 lie on the surface 52 of the printed circuit board 50 and are used to fasten the stamped and bent parts 40a, 40b. For this purpose, the stamped and bent parts 40a, 40b, comparable to electronic SMD components, are preferably soldered to contact surfaces or conductor tracks (not shown here) on the surface 52 of the printed circuit board 50. Alternatively, the fastening strips 41 can have press-in zones (not shown) on their underside, which are inserted into bores (also not shown) in the printed circuit board 50 .

Die Figuren 3 und 4 verdeutlichen den Verbindungsvorgang des ersten und des zweiten Steckverbinderteils 10, 20 in jeweils einer Schnittansicht. Erkennbar ist, dass zum ersten Steckverbinderteil 10 gehörende erste Kontaktelemente 12 von einem Kontaktträger 14 aus Kunststoff gehalten werden und dass die als Flachstecker ausgebildeten vorderen Endabschnitte der ersten Kontaktelemente 12 in als Steckhülsen ausgebildete zweite Kontaktelemente 22 des zweiten Steckverbinderteils 20 eingesetzt sind. Die zweiten Kontaktelemente 22 sind mit aus dem Steckverbinderteil 20 herausgeführten Anschlussleitungen 60 elektrisch verbunden und werden von einem isolierenden Grundkörper 30 gehalten. An seinen beiden Seitenflächen parallel zu den zweiten Kontaktelementen 22 weist der Grundkörper 30 jeweils eine Rastausnehmung 32a, 32b auf.the Figures 3 and 4 illustrate the connection process of the first and the second connector part 10, 20 in a sectional view. It can be seen that the first contact elements 12 belonging to the first connector part 10 are held by a contact carrier 14 made of plastic and that the front end sections of the first contact elements 12 designed as flat plugs are inserted into second contact elements 22 of the second connector part 20 designed as sockets. The second contact elements 22 are electrically connected to connecting lines 60 led out of the connector part 20 and are held by an insulating base body 30 . On its two side surfaces parallel to the second contact elements 22, the base body 30 has a latching recess 32a, 32b.

In der Figur 3 sind die beiden Steckverbinderteile 10, 20 im noch nicht vollständig zusammengefügten Zustand dargestellt. Die Kontaktelemente 12, 22 der Steckverbinderteile 10, 20 sind hier zwar bereits aneinandergefügt, haben aber ihre vorgesehene vollständige Verbindungsposition noch nicht erreicht. Die Kontaktkümpel 48 an den Federarmen 42a, 42b der Stanzbiegeteile 40a, 40b befinden sich hier noch vor ihren Rastpositionen in den Rastausnehmungen 32a, 32b am Grundkörper 30 des zweiten Steckverbinderteils 20.In the figure 3 the two connector parts 10, 20 are shown in the not yet fully assembled state. The contact elements 12, 22 of the connector parts 10, 20 are already joined here, but have not yet reached their intended full connection position. The contact balls 48 on the spring arms 42a, 42b of the stamped and bent parts 40a, 40b are still in front of their locking positions in the locking recesses 32a, 32b on the base body 30 of the second connector part 20.

Nach dem vollständigen Verbinden der beiden Steckverbinderteile 10, 20 sind die Kontaktkümpel 48 in den Rastausnehmungen 32a, 32b eingerastet, was in der Figur 4 dargestellt ist. Hierdurch liegen die Kontaktkümpel 48 zugleich an durch die Rastausnehmungen 32a, 32b zugänglichen Abschnitten von zweiten Kontaktelemente 22 des zweiten Steckverbinderteils 20 an. Die hierdurch bestehende elektrische Verbindung zwischen den Stanzbiegeteilen 40a, 40b und den Kontaktelementen 22 kann durch eine Elektronik erfasst und zur Erkennung und/oder Überwachung einer vollständigen Verbindung zwischen den Steckverbinderteilen 10, 20 ausgewertet werden. Die Elektronik überprüft hierzu beispielsweise die an den mit den Stanzbiegeteilen 40a, 40b verbundenen Kontaktelementen 22 die anliegenden Potentiale oder Signalverläufe auf plausible Werte.After the complete connection of the two connector parts 10, 20, the contact balls 48 are engaged in the recesses 32a, 32b, which in the figure 4 is shown. As a result, the contact bowls 48 are also in contact with sections of the second contact elements 22 of the second connector part 20 that are accessible through the latching recesses 32a, 32b. The resulting electrical connection between the stamped and bent parts 40a, 40b and the contact elements 22 can be detected by electronics and evaluated to detect and/or monitor a complete connection between the connector parts 10, 20. For this purpose, the electronics check, for example, the potentials or signal curves present on the contact elements 22 connected to the stamped and bent parts 40a, 40b for plausible values.

Die an den Federarmen 42a, 42b angeformten Kontaktkümpel 48 erfüllen den Zweck, eine besonders gute elektrische Verbindung zu den metallenen Kontaktelementen 22 zu schaffen und bilden zugleich mechanische Rasthaken an den Federarme 42a, 42b aus.The contact cups 48 formed on the spring arms 42a, 42b serve the purpose of creating a particularly good electrical connection to the metal contact elements 22 and at the same time form mechanical latching hooks on the spring arms 42a, 42b.

Wie bereits erwähnt, sind bei vollständig zusammengefügten Steckverbinderteilen 10, 20 die Kontaktkümpel 48 an den Federarmen 42a, 42b der beiden Stanzbiegeteile 40a, 40b in die Rastausnehmungen 32a, 32b eingefedert. Da die Stanzbiegeteile 40a, 40b mechanisch fest mit der Leiterplatte 50 verbunden sind, wird dadurch das zweite Steckverbinderteil 20 über die Federarme 42a, 42b sowohl relativ zur Leiterplatte 50 als auch relativ zum ersten Steckverbinderteil 10 mechanisch fixiert.As already mentioned, when the connector parts 10, 20 are fully assembled, the contact balls 48 on the spring arms 42a, 42b of the two stamped and bent parts 40a, 40b are spring-loaded into the latching recesses 32a, 32b. Since the stamped and bent parts 40a, 40b are mechanically firmly connected to the printed circuit board 50, the second connector part 20 is mechanically fixed both relative to the printed circuit board 50 and relative to the first connector part 10 via the spring arms 42a, 42b.

Ein unbeabsichtigtes Trennen der beiden Steckverbinderteile 10, 20 durch Herausfallen oder Herausziehen über die Anschlussleitungen 60 ist dadurch ausgeschlossen. Ein beabsichtigtes Trennen der beiden Steckverbinderteile 10, 20 ist durch eine gleichzeitig erfolgende Druckeinwirkung auf Betätigungsabschnitte 43 der Federarme 42a, 42b möglich, durch die die Kontaktkümpel 48 gegen die Federkraft der Federarme 42a, 42b aus den Rastausnehmungen 32a, 32b herausbewegt werden können.An unintentional disconnection of the two connector parts 10, 20 by falling out or being pulled out via the connection lines 60 is thereby ruled out. An intentional separation of the two connector parts 10, 20 is possible by simultaneously occurring pressure on the actuating portions 43 of the spring arms 42a, 42b, through which the Contact dish 48 can be moved out of the recesses 32a, 32b against the spring force of the spring arms 42a, 42b.

BezugszeichenReference sign

1010
erstes Steckverbinderteilfirst connector part
1212
erste Kontaktelementefirst contact elements
1414
Kontaktträgercontact carrier
2020
zweites Steckverbinderteilsecond connector part
2222
zweite Kontaktelementesecond contact elements
3030
Grundkörperbody
32a, 32b32a, 32b
Rastausnehmungenrecesses
40a, 40b40a, 40b
Stanzbiegeteilstamped and bent part
4141
Befestigungsstreifenfastening strips
42a, 42b42a, 42b
Federarmespring arms
4343
Betätigungsabschnitteoperating sections
4545
Metallstreifenmetal strips
4646
Rahmenabschnittframe section
4747
Ausnehmungrecess
4848
Kontaktkümpel (Abschnitt)contact buddy (section)
5050
Leiterplattecircuit board
5252
Oberflächesurface
6060
Anschlussleitungenconnection lines

Claims (7)

  1. Connector assembly
    having a first connector part (10) which has a plurality of first contact elements (12) arranged on a printed circuit board (50), and
    having a second plug connector part (20) which can be attached to the first plug connector part (10) and which holds on a base body (30) a plurality of second contact elements (22) which can be electrically and mechanically connected to the first contact elements (12) of the first plug connector part (10),
    wherein a respective stamped and bent part (40a, 40b) is fastened on the printed circuit board (50) on both sides next to the first plug connector part (10),
    the two stamped and bent parts (40a, 40b) having spring arms (42a, 42b), and
    wherein, when the first and second connector parts (10, 20) are connected, a portion (48) of at least one spring arm (42a, 42b) engages in a latching recess (32a, 32b) on the base body (30),
    characterized in that,
    when the first and second connector parts (10, 20) are connected, the portion (48) of the at least one spring arm (42a, 42b) establishes an electrical connection to one of the second contact elements (22).
  2. Connector assembly as claimed in claim 1, characterised in that when the first and second connector parts (10, 20) are connected, a respective portion (48) of each spring arm (42a, 42b) engages a respective latching recess (32a, 32b).
  3. Connector assembly according to claim 2, characterized in that the sections (48) of the spring arms (42a, 42b) are formed as contact domes (48).
  4. Connector assembly according to claim 1, characterized in that the stamped and bent parts (40a, 40b) are soldered on the surface (52) of the printed circuit board (50).
  5. Connector assembly according to claim 1, characterized in that the stamped and bent parts (40a, 40b) have press-fit zones which are inserted into bores of the printed circuit board (50).
  6. Connector arrangement according to claim 4 or 5, characterized in that the stamped and bent parts (40a, 40b) are electrically conductively connected to conductor tracks of the printed circuit board (50).
  7. Connector arrangement according to claim 1, characterized in that the stamped and bent parts (40a, 40b) are designed to be mirror-symmetrical with respect to one another.
EP19700382.5A 2018-01-12 2019-01-11 Plug connector assembly Active EP3738175B1 (en)

Applications Claiming Priority (2)

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DE102018000204.8A DE102018000204A1 (en) 2018-01-12 2018-01-12 The connector assembly
PCT/EP2019/050648 WO2019138046A1 (en) 2018-01-12 2019-01-11 Plug connector assembly

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EP3738175A1 EP3738175A1 (en) 2020-11-18
EP3738175B1 true EP3738175B1 (en) 2022-04-27

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US (1) US11233347B2 (en)
EP (1) EP3738175B1 (en)
JP (1) JP7193541B2 (en)
KR (1) KR102637280B1 (en)
CN (1) CN111656623B (en)
BR (1) BR112020014152A2 (en)
DE (1) DE102018000204A1 (en)
ES (1) ES2922234T3 (en)
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DE102021124327A1 (en) 2021-09-21 2023-03-23 Phoenix Contact Gmbh & Co. Kg Electrical contact element
LU500674B1 (en) 2021-09-21 2023-03-21 Phoenix Contact Gmbh & Co Electrical contact element

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KR102637280B1 (en) 2024-02-15
ES2922234T3 (en) 2022-09-12
EP3738175A1 (en) 2020-11-18
BR112020014152A2 (en) 2020-12-08
US20200335894A1 (en) 2020-10-22
CN111656623A (en) 2020-09-11
WO2019138046A1 (en) 2019-07-18
KR20200100808A (en) 2020-08-26
JP2021510450A (en) 2021-04-22
MX2020007425A (en) 2020-11-25
US11233347B2 (en) 2022-01-25
JP7193541B2 (en) 2022-12-20
DE102018000204A1 (en) 2019-07-18
CN111656623B (en) 2022-03-04

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