EP0984515B1 - Shielded electrical connector - Google Patents

Shielded electrical connector Download PDF

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Publication number
EP0984515B1
EP0984515B1 EP99116084A EP99116084A EP0984515B1 EP 0984515 B1 EP0984515 B1 EP 0984515B1 EP 99116084 A EP99116084 A EP 99116084A EP 99116084 A EP99116084 A EP 99116084A EP 0984515 B1 EP0984515 B1 EP 0984515B1
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EP
European Patent Office
Prior art keywords
shielding plate
plug
shielded electrical
connector housing
bend
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.)
Expired - Lifetime
Application number
EP99116084A
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German (de)
French (fr)
Other versions
EP0984515A1 (en
Inventor
Dietmar Dipl-Kfm. Harting
Günter Dipl.-Ing. Pape
Dieter Dipl.-Ing. Lüttermann
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Harting Electronics GmbH and Co KG
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Harting Electronics GmbH and Co KG
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Filing date
Publication date
Application filed by Harting Electronics GmbH and Co KG filed Critical Harting Electronics GmbH and Co KG
Publication of EP0984515A1 publication Critical patent/EP0984515A1/en
Application granted granted Critical
Publication of EP0984515B1 publication Critical patent/EP0984515B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members

Definitions

  • the invention relates to a shielded, electrical connector for SMD surface mounting on printed circuit boards, consisting of an insulating connector housing in which electrical connection elements are arranged, which are provided for contacting contacts of a complementary connector, wherein the circuit board opposite side of the connector housing with a Shielding is covered.
  • the shielding of electrical plug-in connections is required to improve the transmission performance (RF characteristics) and to largely reduce both internal and external interference signals.
  • the shielding of surface-mounted connectors is very expensive. Namely, it is not possible to solder a shielded SMD connector in a soldering machine for surface soldering technology. The thermal radiation necessary to solder the contacts would be reflected by the shield. Thus, when processing SMD connectors, it is first necessary to position the connector without shielding by means of a placement machine on a circuit board and to solder in a further work process, the fully populated PCB. Only then, in an additional manual or mechanical step, the assembly of the shield and their soldering.
  • a card edge connector is known, which is not intended for surface mounting, but is pressed in conventional press-fitting in the circuit board together with the shielding plate.
  • the shielding plate is provided for this purpose with a Einpresscardux which must be pressed into the printed circuit board to be contacted. In this way, the shield is firmly connected on one side with the circuit board. On the opposite side of the shield is inserted in undercut designs on the connector housing.
  • an electrically shielding cassette receptacle for a substrate printed circuit board with a connector attached thereto is covered with a shield plate, wherein the cover plate first by means of some mounting fingers, on the one longitudinal side, which are inserted in a gap passage at the mating side of the connector pre-assembled, then subsequently by means of obliquely angled contact pins on the other longitudinal side and surface soldering, be electrically connected to the circuit board.
  • the invention has for its object to form a connector of the type mentioned in that a shield plate provided on the connector and can be connected to ground-conducting traces of a circuit board without expensive soldering or press-fitting operations are necessary.
  • This object is achieved in a shielded electrical connector of the type mentioned by that resting on the plug housing shielding on the side facing the plug side of the connector for attachment to the plug housing has a front retaining edge, that the shield on the side opposite the plug side has a bend, forming a contact edge, for contacting with ground-conducting conductors the printed circuit board is provided that the shielding plate is held on the one hand on the front retaining edge on the connector housing, and that the shielding plate on the other hand spaced from the retaining edge, is held in the connector housing with the bend in an elongated chamber by means of latching hooks disposed therein.
  • the shield is therefore no longer soldered to the circuit board, but stops on the connector housing on the one hand by means of the retaining edge and on the other hand by a snap-in distance from the retaining edge. In this way, the shield can be easily clipped onto the connector housing.
  • the contacting of the ground-conducting conductor tracks of the printed circuit board is achieved automatically when the shield plate snaps into its final position on the connector housing by the contact edge either directly with the ground-conducting tracks of the circuit board or contact parts comes into connection, which are connected to the tracks.
  • the shield is inserted on the side of the retaining edge in pockets on the connector housing and latched on the side of the contact edge by means of openings on the housing, which are formed in the 90 ° bent contact edge and engage in the locking hooks provided on the connector housing are, preferably in a bag.
  • the contact edge can either be provided with resilient contact tabs that directly contact the ground-conducting tracks of the circuit board. According to a different embodiment, the contact edge can also engage in contact elements which are in electrical connection with the ground-conducting conductor tracks of the printed circuit board.
  • the shielding plate is provided with a bend which surrounds the intended for receiving a complementary connector side of the connector housing, and it is latched by means of locking tabs in the region of the opposite side of the connector housing to this.
  • the contact edge has recesses on the attack on Abletagen, which were soldered, for example, simultaneously with the soldering of the connector with the grounding conductor tracks.
  • Another advantage is that either either a one-sided or a multi-sided shielding can be used, wherein the shielding is merely postponed and conductively connected by corresponding contact elements with the circuit board.
  • a connector which consists of an insulating connector housing 1 and a resting shielding plate 2, which is provided with contact tongues 3, which ensure a grounding contact with a complementary plug.
  • the rear side of the shielding plate has a right-angled bend 6, which forms a contact edge and in which recesses 8 are formed, which engage when the bend is inserted into an elongate chamber 7 by means of the latching hooks 10 located there.
  • the further attached to the bend 6, resiliently formed contact tabs 9 make contact with ground conductor tracks 13 on a printed circuit board 12 ago.
  • FIG. 3 a connector according to a different embodiment is shown. Similar to the first embodiment, this connector consists of an insulating plug housing 1 and a resting shielding plate 2, which is provided with contact tongues 3, which ensure a grounding contact with a complementary plug. On the front side of the shielding plate, one or more fastening fingers 4 are provided, which engage in correspondingly formed pockets 5 of the connector housing, while the rear side has a rectangular bend 6, in which the recesses 8 are inserted, the insertion of the bend 6 in the elongated Lock chamber 7 by means of the latching hooks 10.
  • contact elements 11 which are fixedly positioned in the elongated chamber 7 and can be formed one or two-legged, wherein the contact elements can be introduced individually or connected to each other as a contact rail are.
  • FIG. 4 a connector according to another embodiment is shown, which shows a further shielding possibility for the connector.
  • the shielding plate 2 has as retaining edge a bend 32 which is pushed from the front over the insulating connector housing 1.
  • the shielding plate is provided with a plurality of recesses 15 which engage under Ablecarde 14.
  • a resilient transition 16 is provided, so that a secure connection between the shielding plate 2 and the Ablecarden 14 is ensured.
  • the shielding plate 2 additionally has resilient locking tabs 17, which engage when sliding the shielding into corresponding recesses 18 of the connector housing 1, which ensures that the shielding plate 2 is not solvable without tools.
  • FIG. 5 is the connector housing 1 of the connector of FIG. 4 shown with shielding contacts in a mounting cap.
  • rüch->rtigen part of the mounting cap 22 are a plurality of receiving pockets 23 which are equipped with individual Ablecarden 14.
  • the mounting cap 22 with connector housing 1 and the Ablecarden 14 is positioned by a placement machine on the circuit board and removed after the soldering process again.
  • FIG. 6 a connector according to another embodiment is shown, the components of the in the FIGS. 1 and 2 shown connector with those of in FIG. 4 shown connector combined.
  • the insulating plug housing 1 has a multi-sided shielding plate 2 with bend, wherein in the front plug-in area 20, a window-like opening 19 is recessed, in which the signal contacts of a complementary connector can be inserted.
  • a bead 21 in the lower and upper part of the shield plate, a bending of the shield plate is prevented.
  • the shielding plate is provided with a bend which is latched on the side facing away from the front side of the plug housing in a chamber.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

A screened electrical plug connector for surface mounting on printed circuit boards, consisting of an insulating plug housing (1), in which electrical connection elements are arranged, which are provided for making contact with contacts of a complementary plug connector, with terminals for connection to printed conductors of a printed circuit board, wherein at least one side of the plug housing is provided with a screening plate (2) that has a contact edge (6) for making contact with grounded printed conductors (13) of a printed circuit board (12), is characterised in that the screening plate (2) has a retaining edge (30; 32) opposite the contact edge (6), for attachment to the plug housing (1), and that the screening plate (2) is locked to the plug housing (1) at a distance from the retaining edge (30; 32).

Description

Die Erfindung betrifft einen abgeschirmten, elektrischen Steckverbinder für eine SMD-Oberflächenmontage auf Leiterplatten, bestehend aus einem isolierenden Steckergehäuse, in dem elektrische Anschlusselemente angeordnet sind, die zur Kontaktierung von Kontakten eines komplementären Steckverbinders vorgesehen sind, wobei die der Leiterplatte konträre Seite des Steckergehäuses mit einem Abschirmblech abgedeckt ist.The invention relates to a shielded, electrical connector for SMD surface mounting on printed circuit boards, consisting of an insulating connector housing in which electrical connection elements are arranged, which are provided for contacting contacts of a complementary connector, wherein the circuit board opposite side of the connector housing with a Shielding is covered.

Die Abschirmung elektrischer Steckverbindungen ist zur Verbesserung der Übertragungsleistungen (Hf-Eigenschaften) sowie zur weitgehenden Reduzierung eigener wie fremder Störsignale erforderlich.The shielding of electrical plug-in connections is required to improve the transmission performance (RF characteristics) and to largely reduce both internal and external interference signals.

Das Abschirmen von oberflächenmontierten Steckverbindern ist sehr aufwendig. Es ist nämlich nicht möglich, einen abgeschirmten SMD-Steckverbinder in einer Lötanlage für Oberflächen-Löttechnologie zu verlöten. Die Wärmestrahlung, die zur Lötung der Kontakte notwendig ist, würde durch die Abschirmung reflektiert werden. Somit ist es beim Verarbeiten von SMD-Steckverbindern erforderlich, zuerst den Steckverbinder ohne Abschirmung mittels eines Bestückungsautomaten auf einer Leiterplatte zu positionieren und in einem weiteren Arbeitsprozess die komplett bestückte Leiterplatte zu verlöten. Erst danach erfolgt in einem zusätzlichen manuellen oder maschinellen Arbeitsschritt die Montage der Abschirmung sowie deren Lötung.The shielding of surface-mounted connectors is very expensive. Namely, it is not possible to solder a shielded SMD connector in a soldering machine for surface soldering technology. The thermal radiation necessary to solder the contacts would be reflected by the shield. Thus, when processing SMD connectors, it is first necessary to position the connector without shielding by means of a placement machine on a circuit board and to solder in a further work process, the fully populated PCB. Only then, in an additional manual or mechanical step, the assembly of the shield and their soldering.

Aus der DE 196 40 847 A1 ist ein Kartenrandsteckverbinder bekannt, der nicht für eine Oberflächenmontage bestimmt ist, sondern in herkömmlicher Einpresstechnik in die Leiterplatte zusammen mit dem Abschirmblech eingepresst wird. Das Abschirmblech ist zu diesem Zweck mit einem Einpresskontaktstift versehen, der in die zu kontaktierende Leiterplatte eingepresst werden muss. Auf diese Weise ist das Abschirmblech auf einer Seite fest mit der Leiterplatte verbunden. Auf der gegenüberliegenden Seite ist das Abschirmblech in hinterschnittene Gestaltungen am Steckergehäuse eingeschoben.From the DE 196 40 847 A1 a card edge connector is known, which is not intended for surface mounting, but is pressed in conventional press-fitting in the circuit board together with the shielding plate. The shielding plate is provided for this purpose with a Einpresskontaktstift which must be pressed into the printed circuit board to be contacted. In this way, the shield is firmly connected on one side with the circuit board. On the opposite side of the shield is inserted in undercut designs on the connector housing.

Weiterhin ist aus der US-A-5 030 140 ein für eine senkrechte Montage auf einer Leiterkarte vorgesehener elektrischer Steckverbinder bekannt, über den ein das Steckverbindergehäuse komplett umfassendes Abschirmblech von der Steckseite her übergestülpt wird. Dabei wird das Abschirmblech mittels nach innen gebogener Rastlaschen an entsprechenden Vorsprüngen am Gehäuse verrastet und gehalten, wobei auf mindestens einer der Längsseiten. Taschen angeordnet sind, in denen jeweils aus dem Abschirmblech hervorstehende Laschen einsetzbar sind, so dass das Abschirmblech dicht am Steckverbindergehäuse gehalten wird. Weiterhin sind an den Längswänden des Abschirmbleches leicht nach innen gebogene Kontaktlaschen vorgesehen, die beim Aufsetzen des Steckverbinders auf eine Leiterkarte, dort vorgesehene Masseanschlusspunkte kontaktieren, um eine elektrische Abschirmung für den Steckverbinder zu gewährleisten.Furthermore, from the US-A-5 030 140 a for a vertical mounting on a printed circuit board provided electrical connector known over which a connector housing completely comprehensive shielding is slipped over from the mating side. In this case, the shielding plate is locked and held by means of inwardly bent locking tabs on corresponding projections on the housing, wherein on at least one of the longitudinal sides. Bags are arranged, in each of which from the shield plate protruding tabs are used, so that the shield is held tightly on the connector housing. Furthermore, slightly inwardly bent contact tabs are provided on the longitudinal walls of the shield, which contact when mounting the connector on a printed circuit board, there provided ground connection points to ensure electrical shielding for the connector.

In der EP-A-0 834 964 ist ein elektrisch abschirmendes Kassetten-Behältnis für eine Substrat-Leiterkarte mit einem daran angefügten Steckverbinder gezeigt.
Dabei ist der Steckverbinder mit einer Abschirmplatte abgedeckt, wobei die Abdeckplatte zunächst mittels einiger Montagefinger, auf der einen Längsseite, die in einer Spaltpassage an der Steckseite des Steckverbinders eingefügt werden, vormontiert, um anschließend mittels schräg abgewinkelter Kontaktstifte auf der anderen Längsseite und mittels Oberflächenlötung, mit der Leiterkarte elektrisch leitend verbunden werden.In the EP-A-0 834 964 For example, there is shown an electrically shielding cassette receptacle for a substrate printed circuit board with a connector attached thereto.
In this case, the connector is covered with a shield plate, wherein the cover plate first by means of some mounting fingers, on the one longitudinal side, which are inserted in a gap passage at the mating side of the connector pre-assembled, then subsequently by means of obliquely angled contact pins on the other longitudinal side and surface soldering, be electrically connected to the circuit board.

Der Erfindung liegt die Aufgabe zugrunde, einen Steckverbinder der eingangs genannten Art dahingehend auszubilden, dass ein Abschirmblech an dem Steckverbinder vorgesehen und mit masseführenden Leiterbahnen einer Leiterplatte verbunden werden kann, ohne dass aufwendige Löt- oder Einpressvorgänge notwendig sind. Diese Aufgabe wird bei einem abgeschirmten elektrischen Steckverbinder der eingangs genannten Art dadurch gelöst,
dass das auf dem Steckergehäuse aufliegende Abschirmblech auf der zur Steckseite des Steckverbinders weisenden Seite zur Anbringung an dem Steckergehäuses einen frontseitigen Halterand aufweist, dass das Abschirmblech auf der der Steckseite gegenüber liegenden Seite eine Abbiegung aufweist, die einen Kontaktrand bildend, zur Kontaktierung mit masseführenden Leiterbahnen auf der Leiterplatte vorgesehen ist, dass das Abschirmblech einerseits am frontseitigen Halterand am Steckergehäuse gehalten ist, und dass das Abschirmblech andererseits von dem Halterand beabstandet, mit der Abbiegung in einer länglichen Kammer mittels darin angeordneter Rasthaken, im Steckergehäuse gehalten ist.The invention has for its object to form a connector of the type mentioned in that a shield plate provided on the connector and can be connected to ground-conducting traces of a circuit board without expensive soldering or press-fitting operations are necessary. This object is achieved in a shielded electrical connector of the type mentioned by
that resting on the plug housing shielding on the side facing the plug side of the connector for attachment to the plug housing has a front retaining edge, that the shield on the side opposite the plug side has a bend, forming a contact edge, for contacting with ground-conducting conductors the printed circuit board is provided that the shielding plate is held on the one hand on the front retaining edge on the connector housing, and that the shielding plate on the other hand spaced from the retaining edge, is held in the connector housing with the bend in an elongated chamber by means of latching hooks disposed therein.

Das Abschirmblech wird also nicht mehr mit der Leiterplatte verlötet, sondern hält an dem Steckergehäuse einerseits mittels des Halterandes und andererseits durch ein Einrasten im Abstand vom Halterand. Auf diese Weise kann das Abschirmblech in einfacher Weise auf das Steckergehäuse aufgeklipst werden. Die Kontaktierung der masseführenden Leiterbahnen der Leiterplatte wird automatisch erzielt, wenn das Abschirmblech in seine endgültige Stellung am Steckergehäuse schnappt, indem der Kontaktrand entweder direkt mit den masseführenden Leiterbahnen der Leiterplatte oder mit Kontaktteilen in Verbindung tritt, die mit den Leiterbahnen verbunden sind.The shield is therefore no longer soldered to the circuit board, but stops on the connector housing on the one hand by means of the retaining edge and on the other hand by a snap-in distance from the retaining edge. In this way, the shield can be easily clipped onto the connector housing. The contacting of the ground-conducting conductor tracks of the printed circuit board is achieved automatically when the shield plate snaps into its final position on the connector housing by the contact edge either directly with the ground-conducting tracks of the circuit board or contact parts comes into connection, which are connected to the tracks.

Gemäß einer Ausführungsform der Erfindung wird das Abschirmblech auf der Seite des Halterandes in Taschen am Steckergehäuse eingeschoben und auf der Seite des Kontaktrandes mittels Öffnungen am Gehäuse verrastet, die in dem um 90° abgebogenen Kontaktrand ausgebildet sind und in die Rasthaken eingreifen, die am Steckergehäuse vorgesehen sind, vorzugsweise in einer Tasche. Der Kontaktrand kann entweder mit federnden Kontaktlaschen versehen sein, die direkt die masseführenden Leiterbahnen der Leiterplatte kontaktieren. Gemäß einer abweichenden Ausführungsform kann der Kontaktrand auch in Kontaktelemente eingreifen, die mit den masseführenden Leiterbahnen der Leiterplatte in elektrischer Verbindung stehen.According to one embodiment of the invention, the shield is inserted on the side of the retaining edge in pockets on the connector housing and latched on the side of the contact edge by means of openings on the housing, which are formed in the 90 ° bent contact edge and engage in the locking hooks provided on the connector housing are, preferably in a bag. The contact edge can either be provided with resilient contact tabs that directly contact the ground-conducting tracks of the circuit board. According to a different embodiment, the contact edge can also engage in contact elements which are in electrical connection with the ground-conducting conductor tracks of the printed circuit board.

Gemäß einer anderen Ausführungsform der Erfindung ist das Abschirmblech mit einer Umbiegung versehen, welche die zur Aufnahme eines komplementären Steckverbinders vorgesehene Seite des Steckergehäuses umgreift, und es ist mittels Rastlaschen im Bereich der entgegengesetzten Seite des Steckergehäuses an diesem eingerastet. Der Kontaktrand weist Aussparungen auf die an Abschirmkontakten angreifen, die beispielsweise gleichzeitig mit dem Auflöten des Steckverbinders mit den masseführenden Leiterbahnen verlötet wurden.According to another embodiment of the invention, the shielding plate is provided with a bend which surrounds the intended for receiving a complementary connector side of the connector housing, and it is latched by means of locking tabs in the region of the opposite side of the connector housing to this. The contact edge has recesses on the attack on Abschirmkontakten, which were soldered, for example, simultaneously with the soldering of the connector with the grounding conductor tracks.

Alle Ausführungsarten bieten den Vorteil, daß auf einfache Art und Weise mehrere Varianten eines abgeschirmten Steckverbinders kostengünstig und problemlos den Gegebenheiten der Leiterplatte angepaßt werden können.All embodiments have the advantage that in a simple manner several variants of a shielded connector can be adapted inexpensively and easily the conditions of the circuit board.

Ein weiterer Vorteil besteht darin, daß wahlweise entweder ein einseitiges oder ein mehrseitiges Abschirmblech eingesetzt werden kann, wobei das Abschirmblech lediglich aufgeschoben und durch entsprechende Kontaktelemente mit der Leiterplatte leitend verbunden ist.Another advantage is that either either a one-sided or a multi-sided shielding can be used, wherein the shielding is merely postponed and conductively connected by corresponding contact elements with the circuit board.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous embodiments of the invention are specified in the subclaims.

Die Erfindung wird nachfolgend unter Bezugnahme auf verschiedene Ausführungsformen beschrieben, die in den Zeichnungen dargestellt sind. Es zeigen:

Figur 1
eine perspektivische Darstellung eines Steckverbinders gemäß einer ersten Ausführungsform mit einem einseitigen Abschirmblech vor dem Einrasten,
Figur 2
eine perspektivische Darstellung des komplettierten Steckverbinders gemäß Figur 1,
Figur 3
eine perspektivische Darstellung eines Steckverbinders gemäß einer abweichenden Ausführungsform mit einem modifizierten einseitigen Abschirmblech vor dem Einrasten,
Figur 4
eine perspektivische Darstellung eines Steckverbinders gemäß einer weiteren Ausführungsform mit einem mehrseitigen Abschirmblech,
Figur 5
eine perspektivische Darstellung der Montage eines Steckverbinders gemäß Figur 4 mit außerhalb des Steckergehäuses angeordneten Abschirmkontakten,
Figur 6
eine perspektivische Darstellung eines Steckverbinders gemäß einer weiteren Ausführungsform in Frontansicht mit einem mehrseitigen Abschirmblech.
The invention will be described below with reference to various embodiments shown in the drawings. Show it:
FIG. 1
a perspective view of a connector according to a first embodiment with a one-sided shield before snapping,
FIG. 2
a perspective view of the completed connector according to FIG. 1 .
FIG. 3
a perspective view of a connector according to a different embodiment with a modified one-sided shield before snapping,
FIG. 4
a perspective view of a connector according to another embodiment with a multi-sided shielding plate,
FIG. 5
a perspective view of the mounting of a connector according to FIG. 4 with arranged outside the connector housing shield contacts,
FIG. 6
a perspective view of a connector according to another embodiment in front view with a multi-sided shielding.

In den Figuren 1 und 2 ist ein Steckverbinder gezeigt, der aus einem isolierenden Steckergehäuse 1 sowie aus einem aufliegenden Abschirmblech 2 besteht, das mit Kontaktzungen 3 versehen ist, die eine masseleitende Kontaktierung zu einem Komplementärstecker sicherstellen. An der Frontseite des Abschirmbleches 2, die einen Halterand 30 bildet, sind ein oder mehrere Befestigungsfinger 4 vorgesehen, die in entsprechend ausgebildete Taschen 5 des Steckergehäuses greifen. Die Rückseite des Abschirmblechs weist eine rechtwinklige Abbiegung 6 auf, die einen Kontaktrand bildet und in der Aussparungen 8 ausgebildet sind, die bei einem Einschieben der Abbiegung in eine längliche Kammer 7 mittels der dort befindlichen Rasthaken 10 einrasten. Die weiterhin an der Abbiegung 6 angefügten, federnd ausgebildeten Kontaktlaschen 9 stellen den Kontakt zu masseführenden Leiterbahnen 13 auf einer Leiterplatte 12 her.In the FIGS. 1 and 2 a connector is shown, which consists of an insulating connector housing 1 and a resting shielding plate 2, which is provided with contact tongues 3, which ensure a grounding contact with a complementary plug. On the front side of the shielding plate 2, which forms a retaining edge 30, are one or more Fixing fingers 4 are provided, which engage in correspondingly formed pockets 5 of the connector housing. The rear side of the shielding plate has a right-angled bend 6, which forms a contact edge and in which recesses 8 are formed, which engage when the bend is inserted into an elongate chamber 7 by means of the latching hooks 10 located there. The further attached to the bend 6, resiliently formed contact tabs 9 make contact with ground conductor tracks 13 on a printed circuit board 12 ago.

In Figur 3 ist ein Steckverbinder gemäß einer abweichenden Ausführungsform gezeigt. Ähnlich der ersten Ausführungsform besteht dieser Steckverbinder aus einem isolierenden Steckergehäuse 1 sowie einem aufliegenden Abschirmblech 2, das mit Kontaktzungen 3 versehen ist, die eine masseleitende Kontaktierung zu einem Komplementärstecker sicherstellen. An der Frontseite des Abschirmbleches sind ein oder mehrere Befestigungsfinger 4 vorgesehen, die in entsprechend ausgebildete Taschen 5 des Steckergehäuses greifen, während die Rückseite eine rechtwinklige Abbiegung 6 aufweist, in der die Aussparungen 8 eingefügt sind, die bei einem Einschieben der Abbiegung 6 in die länglicher Kammer 7 mittels der Rasthaken 10 arretieren.In FIG. 3 a connector according to a different embodiment is shown. Similar to the first embodiment, this connector consists of an insulating plug housing 1 and a resting shielding plate 2, which is provided with contact tongues 3, which ensure a grounding contact with a complementary plug. On the front side of the shielding plate, one or more fastening fingers 4 are provided, which engage in correspondingly formed pockets 5 of the connector housing, while the rear side has a rectangular bend 6, in which the recesses 8 are inserted, the insertion of the bend 6 in the elongated Lock chamber 7 by means of the latching hooks 10.

Die Kontaktierung zwischen Abschirmblech 2 und der masseführenden Leiterbahn 13 auf der Leiterplatte 12 wird über Kontaktelemente 11 sichergestellt, die fest in der länglichen Kammer 7 positioniert sind und ein- oder zweischenklig ausgebildet sein können, wobei die Kontaktelemente einzeln eingebracht sein können oder als Kontaktschiene miteinander verbunden sind.The contact between the shielding plate 2 and the grounding conductor 13 on the circuit board 12 is ensured by contact elements 11 which are fixedly positioned in the elongated chamber 7 and can be formed one or two-legged, wherein the contact elements can be introduced individually or connected to each other as a contact rail are.

In Figur 4 ist ein Steckverbinder gemäß einer weiteren Ausführungsform gezeigt, die eine weitere Abschirmmöglichkeit für den Steckverbinder zeigt. Das Abschirmblech 2 weist als Halterand eine Umbiegung 32 auf, die von vorn über das isolierende Steckergehäuse 1 geschoben ist. Am Kontaktrand 6 ist das Abschirmblech mit einer Vielzahl von Aussparungen 15 versehen, die unter Abschirmkontakte 14 greifen. Zwischen dem Kontaktrand 6 und dem Abschirmblech ist ein federnder Übergang 16 vorgesehen, so daß eine sichere Verbindung zwischen dem Abschirmblech 2 und den Abschirmkontakten 14 gewährleistet ist.In FIG. 4 a connector according to another embodiment is shown, which shows a further shielding possibility for the connector. The shielding plate 2 has as retaining edge a bend 32 which is pushed from the front over the insulating connector housing 1. At the contact border 6, the shielding plate is provided with a plurality of recesses 15 which engage under Abschirmkontakte 14. Between the contact edge 6 and the shielding a resilient transition 16 is provided, so that a secure connection between the shielding plate 2 and the Abschirmkontakten 14 is ensured.

Das Abschirmblech 2 weist zusätzlich federnde Rastlaschen 17 auf, die beim Aufschieben der Abschirmbleches in entsprechende Vertiefungen 18 des Steckergehäuses 1 einrasten, wodurch sichergestellt ist, daß das Abschirmblech 2 nicht ohne Hilfsmittel lösbar ist.The shielding plate 2 additionally has resilient locking tabs 17, which engage when sliding the shielding into corresponding recesses 18 of the connector housing 1, which ensures that the shielding plate 2 is not solvable without tools.

In Figur 5 ist das Steckergehäuse 1 des Steckverbinders von Figur 4 mit Abschirmkontakten in einer Montagekappe dargestellt. Im rüchwärtigen Teil der Montagekappe 22 befinden sich mehrere Aufnahmetaschen 23, die mit einzelnen Abschirmkontakten 14 bestückt sind. Die Montagekappe 22 mit Steckergehäuse 1 und den Abschirmkontakten 14 wird von einem Bestückungsautomaten auf der Leiterplatte positioniert und nach dem Lötvorgang wieder entfernt.In FIG. 5 is the connector housing 1 of the connector of FIG. 4 shown with shielding contacts in a mounting cap. In rüchwärtigen part of the mounting cap 22 are a plurality of receiving pockets 23 which are equipped with individual Abschirmkontakten 14. The mounting cap 22 with connector housing 1 and the Abschirmkontakten 14 is positioned by a placement machine on the circuit board and removed after the soldering process again.

In Figur 6 ist ein Steckverbinder gemäß einer weiteren Ausführungsform dargestellt, die Bauelemente des in den Figuren 1 und 2 gezeigten Steckverbinders mit solchen des in Figur 4 gezeigten Steckverbinders kombiniert. Das isolierende Steckergehäuse 1 weist ein mehrseitiges Abschirmblech 2 mit Umbiegung auf, wobei im frontseitigen Steckbereich 20 eine fensterartige Öffnung 19 ausgespart ist, in welche die Signalkontakte eines komplementären Steckverbinders gesteckt werden können. Durch Prägen einer Sicke 21 im unteren und oberen Teil des Abschirmbleches wird ein Durchbiegen des Abschirmbleches verhindert. Das Abschirmblech ist mit einer Abbiegung versehen, die auf der von der Frontseite abgewandten Seite des Steckergehäuses in einer Kammer eingerastet ist.In FIG. 6 a connector according to another embodiment is shown, the components of the in the FIGS. 1 and 2 shown connector with those of in FIG. 4 shown connector combined. The insulating plug housing 1 has a multi-sided shielding plate 2 with bend, wherein in the front plug-in area 20, a window-like opening 19 is recessed, in which the signal contacts of a complementary connector can be inserted. By embossing a bead 21 in the lower and upper part of the shield plate, a bending of the shield plate is prevented. The shielding plate is provided with a bend which is latched on the side facing away from the front side of the plug housing in a chamber.

Claims (10)

  1. A shielded electrical connector for SMD surface mounting on printed circuit boards, comprising an insulating connector housing (1) in which the electrical connection elements are arranged, which are provided for contacting contacts of a complementary connector, wherein the side of the connector housing (1) opposite to the printed circuit board is covered with a shielding plate (2) and the shielding plate (2) resting on the connector housing (1) has a front-side retaining edge (30; 32) on the side facing the plug-in side of the connector for mounting on the connector housing (1), characterized in that on the side opposite to the plug-in side, spaced from the retaining edge (30; 32), the shielding plate (2) has a bend (6) which, forming a contact edge, is provided for contacting with earthed conductor paths (13) on the printed circuit board (12).
  2. The shielded electrical connector according to claim 1, characterized in that in a first variant the bend (6) is bent at right angles to the shielding plate (2) and can be inserted into an elongated chamber (7) in the connector housing (1), for contacting with contact elements (11) arranged therein, which are connected with earthed conductor paths (13), wherein the shielding plate (2) is fixed by means of latching hooks (10) formed in the chamber (7), which engage in recesses (8) at the edge of the bend (6).
  3. The shielded electrical connector according to claim 1, characterized in that in a second variant resiliently formed contact tabs (9) are molded to the right-angle bend (6) of the shielding plate (2), which are bent off from the same for directly contacting with at least one earthed conductor path (13).
  4. The shielded electrical connector according to claim 1, characterized in that in a third variant the bend (6) is integrally connected to the shielding plate (2) by means of a resilient transition (16), and
    that on the earthed conductor path (13) a plurality of shielding contacts (14) are arranged, which contactingly engage into correspondingly provided recesses (15) of the bend (6).
  5. The shielded electrical connector according to claim 4, characterized in that there is provided a mounting cap (22) with receiving pockets (23) molded thereto, in which the shielding contacts (14) are held temporarily for positioning on the printed circuit board (12).
  6. The shielded electrical connector according to claim 1, characterized in that the retaining edge (30) of the shielding plate (2) is provided with mounting fingers (4) which can be inserted into pockets (5) formed opposite to the plug-in direction close to the plug-in side at the connector housing (1).
  7. The shielded electrical connector according to claim 1, characterized in that the retaining edge (30) includes a bend (32) at the front-side plug-in region (20) of the shielding plate (2), which encloses the plug-in side of the connector housing (1).
  8. The shielded electrical connector according to claim 7, characterized in that the bend (32) in the front-side plug-in region (20), in the vicinity of the contact elements of the connector housing (1), is provided with a window-like opening (19).
  9. The shielded electrical connector according to claim 1, characterized in that for mounting on the connector housing (1) the shielding plate (2) is provided with resilient latching tabs (17) in the middle sheet region, which are bent off correspondingly and can engage in depressions (18) of the connector housing (1).
  10. The shielded electrical connector according to claim 1, characterized in that close to the plug-in side the shielding plate (2) includes outwardly resilient contact tongues (3) for conductively contacting with a complementary connector.
EP99116084A 1998-09-04 1999-08-17 Shielded electrical connector Expired - Lifetime EP0984515B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19840413 1998-09-04
DE19840413A DE19840413C1 (en) 1998-09-04 1998-09-04 Electromagnetically screened electrical plug-in connector for printed circuit board

Publications (2)

Publication Number Publication Date
EP0984515A1 EP0984515A1 (en) 2000-03-08
EP0984515B1 true EP0984515B1 (en) 2010-10-27

Family

ID=7879840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99116084A Expired - Lifetime EP0984515B1 (en) 1998-09-04 1999-08-17 Shielded electrical connector

Country Status (5)

Country Link
US (1) US6305983B1 (en)
EP (1) EP0984515B1 (en)
JP (1) JP3286278B2 (en)
AT (1) ATE486392T1 (en)
DE (2) DE19840413C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2815778B1 (en) * 2000-10-23 2002-12-06 Alstom PROTECTION DEVICE OF AN ELECTRICAL CONNECTOR FOR A PRINTED CIRCUIT PLATE AGAINST ELECTROMAGNETIC DISTURBANCES
DE102012212881A1 (en) * 2012-07-23 2014-01-23 Sennheiser Electronic Gmbh & Co. Kg Method for manufacturing SMD mounted plug e.g. XLR3pole-female, involves placing pins and plug contact surfaces in one of recesses by placement robot, and automatically soldering contact surfaces on contact surface of printed circuit board

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02108277U (en) * 1989-02-15 1990-08-28
JPH0617356Y2 (en) 1989-05-16 1994-05-02 ホシデン株式会社 Antistatic connector
JPH0729586Y2 (en) 1989-06-27 1995-07-05 ホシデン株式会社 connector
GB8928777D0 (en) * 1989-12-20 1990-02-28 Amp Holland Sheilded backplane connector
GB9010362D0 (en) * 1990-05-09 1990-06-27 Thomas & Betts Corp Improvements in or relating to connectors
JP2595846Y2 (en) 1991-02-28 1999-06-02 ミツミ電機株式会社 connector
JP2596669Y2 (en) 1991-06-05 1999-06-21 ホシデン株式会社 Antistatic connector
DE9208700U1 (en) 1992-06-29 1992-12-17 Siemens AG, 8000 München Device for electrically connecting shields of multi-pole connectors to the earth potential layer of a wiring board
US5281169A (en) * 1993-01-21 1994-01-25 Molex Incorporated Shielded electrical connector assemblies
US5401192A (en) * 1994-03-28 1995-03-28 Amphenol Corporation Combination connector
DE19640847B4 (en) 1996-10-03 2007-03-08 Amp-Holland B.V. Right Angle Shielded Electrical Connector
US5807137A (en) 1996-10-04 1998-09-15 Molex Incorporated Shielded electrical receptacle connector assembly
US6120323A (en) * 1999-07-20 2000-09-19 Hon Hai Precision Ind. Co., Ltd. Electrical connector

Also Published As

Publication number Publication date
JP2000091037A (en) 2000-03-31
JP3286278B2 (en) 2002-05-27
DE19840413C1 (en) 2000-02-03
DE59915211D1 (en) 2010-12-09
ATE486392T1 (en) 2010-11-15
US6305983B1 (en) 2001-10-23
EP0984515A1 (en) 2000-03-08

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