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EP0871998A1 - Electrical connector with shielding - Google Patents

Electrical connector with shielding

Info

Publication number
EP0871998A1
EP0871998A1 EP95942705A EP95942705A EP0871998A1 EP 0871998 A1 EP0871998 A1 EP 0871998A1 EP 95942705 A EP95942705 A EP 95942705A EP 95942705 A EP95942705 A EP 95942705A EP 0871998 A1 EP0871998 A1 EP 0871998A1
Authority
EP
European Patent Office
Prior art keywords
contact
shielding unit
connections
connector element
ground
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95942705A
Other languages
German (de)
French (fr)
Other versions
EP0871998B1 (en
Inventor
Jacques Longueville
Gerhard Meyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TE Connectivity Solutions GmbH
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Tyco Electronics Logistics AG
Siemens AG
Philips Intellectual Property and Standards GmbH
Philips Corporate Intellectual Property GmbH
Philips Patentverwaltung GmbH
Koninklijke Philips Electronics NV
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tyco Electronics Logistics AG, Siemens AG, Philips Intellectual Property and Standards GmbH, Philips Corporate Intellectual Property GmbH, Philips Patentverwaltung GmbH, Koninklijke Philips Electronics NV, Siemens Corp filed Critical Tyco Electronics Logistics AG
Publication of EP0871998A1 publication Critical patent/EP0871998A1/en
Application granted granted Critical
Publication of EP0871998B1 publication Critical patent/EP0871998B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
    • 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
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules

Definitions

  • the invention relates to a printed circuit board connector element with a plurality of signal contacts arranged in a grid-like manner in columns and rows in a female connector made of insulating material, and with a shielding unit which contains a first and a second ground plate which are conductive and which are directed towards one another ⁇ overlying sides of at least one of the signal contacts and which are conductively connected to one another via a bridge, the shielding unit having a first ground connection projecting therefrom which can be conductively connected to the printed circuit board.
  • Such a circuit board connector element is known from DE 44 10 047 AI.
  • Low-frequency circuit board connectors are increasingly operated with faster digital signals.
  • the very steep signal rising edges correspond to high frequencies. This creates problems with the signal transmission quality, in particular undesirable crosstalk effects arise between adjacent signal contacts.
  • modules with very fast signals as well as those with less fast signals will be used in future devices. This is why there is a need to connect and operate both frequency-optimized female connectors and standard female connectors by plugging them into standard male connectors on the back of the device.
  • a shielding unit with two bulkhead plates connected by a bridge is known from the aforementioned publication.
  • only connector elements are proposed there, cf. FIGS. 2, 7 and 8, in each of which only a first, front half of the signal contacts of a column is shielded directly by the shielding unit belonging to this column.
  • the other half of the column is shielded by two further shielding units which are arranged on the columns adjacent to the left and right and in each case only extend along the second, rear half of the signal contacts.
  • This known constructive solution has the disadvantage that a signal contact must be connected to ground in each column, since a shielding unit is provided for each column, which in itself is complex in terms of production technology.
  • the present invention has for its object to an improved connector of the type mentioned create, which in particular reliably prevents crosstalk, which causes structural changes only in one connector element, the female connector, and which is easy to produce.
  • FIG. 1 shows a perspective view of a shielding unit with a mass-spring contact that has not yet been inserted and a female connector
  • FIG. 2 shows a further embodiment of a shielding unit in a representation similar to that in FIG. 1,
  • FIG. 3 shows a schematic plan view of part of a circuit board connected to the connector element
  • FIG. 4 shows another embodiment of the circuit board according to FIG. 3.
  • FIG. 1 Shown in FIG. 1 above is a shielding unit 3 according to the invention, which has two parallel ground plates 4 and 5 which, at the end of the shielding unit on the knife bar side, in FIG has conductively connected to each other. At the end of the shielding unit 3 on the knife bar side, a formed insulation displacement contact 9 indicated. The insulation displacement contact 10, which is also formed on the ground plate 5, cannot be seen due to the selected perspective.
  • the present invention generally combats crosstalk by means of ground plates which are placed between the signal contacts of a column in the female connector. These ground plates must make a low-resistance contact with one or more pin contacts on the back of the device or on the male connector. As far as possible, this contact must take place in the front of the female connector so that the induced currents can be neutralized in the shortest possible way.
  • the shield plates designed as ground plates reduce inductive and capacitive crosstalk and act as low-inductance connection paths to the ground in order to reduce the signal path impedance. They improve the transmission quality of the signal.
  • a spring contact 8 is provided in the shielding unit 3, which takes the place of a signal contact 2 of the respective column.
  • This spring contact 8 can advantageously be held by insulation displacement contacts 9 and 10 formed opposite each other on the ends of the mass platelets 4, 5 on the knife bar side, as shown in different embodiments in FIGS. 1 and 2.
  • the spring contact 8 is formed with lateral shoulders 11 lying in the longitudinal direction of the spring strip 1, which should therefore allow a hold by the insulation displacement contacts 9 and 10 and thus a secure electrical connection.
  • the embodiment according to FIG. 2 differs from the fact that there at the end of a contact leg of the Fe derkonts 8 a wide, in the longitudinal direction of the female connector 12 flag is formed, which is in turn held on the sides by an insulation displacement contact 9 and 10.
  • the assembly according to FIG. 1 is carried out in such a way that first the spring contact 8 is inserted in the insulating body of the spring strip 1 and that the signal contacts 2 designed as signal spring contacts on the power supply side are then used.
  • the middle signal contact 2 of the respective column is replaced by the spring contact 8 and by the ground connection 7.
  • the shielding unit 3 with the spring contact 8 provided for the ground connection to the male connector is inserted into each second column of the female connector 1, as can be seen in FIG.
  • An opening 16 is provided in each case for the spring contacts 8 in the relevant columns of the spring strip 1.
  • the complete column-wise shielding of the signal contacts is accordingly achieved by means of uniformly designed shielding units 3, it being particularly advantageous that only one shielding unit is required per two columns. This has the further advantage that only one signal contact has to be grounded per two columns.
  • FIGS. 1 and 2 It is electrically more favorable if, as shown in FIGS. 1 and 2, at least one second press-in ground connection 13 is formed on the shielding unit 3.
  • the configuration shown in FIGS. 1 and 2, in which the bridge 6 is connected, has proven to be optimal in many respects the end opposite the knife-bar end of the shielding unit 3 is arranged and in which the press-in connections of the respective signal contact gaps extend in the manner of a gap between the first ground connection 7 behind these press-in connections and the further ground connections 13 in front of these press-in connections. This can be seen more precisely from the configurations of the connection bores shown in FIGS. 3 and 4 on the printed circuit board. Overall, the connections are laid or shaped in such a way that optimal guidance of the return flow is possible.
  • connection bores for the ground connections at the front edge of the module and / or behind the signal connection rows 15 as shown in a line 14 lie.
  • the position of a shielding unit 3 is also indicated in FIGS. 3 and 4.
  • FIG. 4 shows an alternative contact in which pressure contacts, with a large plastic deformability and a sufficiently large elastic return action, between the Signalanschluß ⁇ rows 15 are.
  • the connector element according to the invention is therefore particularly suitable for combination with a printed circuit board, the press-in connections and the press-in ground connections 7 and 13 extending into the printed circuit board. This is made possible by arrangements consisting of a connector element according to the invention or a combination according to the invention with a female connector printed circuit board, and a combination of a male connector with another printed circuit board which can be connected by plugging.
  • the invention can be used particularly successfully in connection with the SIPAC (registered trademark) high-speed connector family from Siemens.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Cable Accessories (AREA)
  • Motor Or Generator Frames (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The proposed connector element for printed circuit boards comprises a plurality of signal contacts (2) arranged in a grid pattern in a multipole connector (1) and a shielding unit (3) containing a first and a second earth plate (4 and 5) between which a conducting connection is provided via a bridge (6), the latter being provided with a projecting insertable first earth connection (7). Each earth plate (4 and 5) covers all the signal contacts (2) between any two plates in a column, a shielding unit (3) being provided only for every other signal contact column. With such an arrangement, only one signal contact for every two columns requires earthing and only one shielding unit is required for every two columns to achieve complete shielding of all the columns.

Description

Beschreibungdescription

Elektrischer Verbinder mit AbschirmungShielded electrical connector

Die Erfindung betrifft ein Leiterplatten-Verbinderelement mit einer Vielzahl von gitterförmig in Spalten und Reihen in ei¬ ner Federleiste aus Isolierstoff angeordneten Signalkontak¬ ten, und mit einer Abschirmeinheit, die ein erstes und zwei- tes Masseplättchen enthält, die leitend sind, die auf gegen¬ überliegenden Seiten mindestens eines der Signalkontakte an¬ geordnet sind und die über eine Brücke leitend miteinander verbunden sind, wobei die Abschirmeinheit einen von ihr ab¬ stehenden ersten Masseanschluß aufweist, der mit der Leiter- platte leitend verbindbar ist.The invention relates to a printed circuit board connector element with a plurality of signal contacts arranged in a grid-like manner in columns and rows in a female connector made of insulating material, and with a shielding unit which contains a first and a second ground plate which are conductive and which are directed towards one another ¬ overlying sides of at least one of the signal contacts and which are conductively connected to one another via a bridge, the shielding unit having a first ground connection projecting therefrom which can be conductively connected to the printed circuit board.

Ein derartiges Leiterplatten-Verbinderelement ist aus der DE 44 10 047 AI bekannt.Such a circuit board connector element is known from DE 44 10 047 AI.

Niederfrequenz-Leiterplattensteckverbinder werden in zuneh¬ mendem Maße mit schnelleren digitalen Signalen betrieben. Die sehr steilen Signalanstiegsflanken korrespondieren mit hohen Frequenzen. Dadurch entstehen Probleme mit der Signalübertra- gungsqualität, insbesondere entstehen zwischen benachbarten Signalkontakten unerwünschte Nebensprecheffekte. Andererseits ist absehbar, daß in zukünftigen Geräten sowohl Baugruppen mit sehr schnellen Signalen, als auch solche mit weniger schnellen Signalen eingesetzt werden. Von daher entsteht das Bedürfnis, sowohl frequenzoptimierte Federleisten als auch Standardfederleisten durch Stecken mit Standardmesserleisten auf der Geräterückwand zu verbinden und zu betreiben.Low-frequency circuit board connectors are increasingly operated with faster digital signals. The very steep signal rising edges correspond to high frequencies. This creates problems with the signal transmission quality, in particular undesirable crosstalk effects arise between adjacent signal contacts. On the other hand, it is foreseeable that modules with very fast signals as well as those with less fast signals will be used in future devices. This is why there is a need to connect and operate both frequency-optimized female connectors and standard female connectors by plugging them into standard male connectors on the back of the device.

Konventionell kann das Problem des Nebensprechens dadurch ge¬ löst werden, daß die Signale nur über jeden zweiten Kontakt geführt werden, während die dazwischenliegenden Kontakte mit Masse belegt werden. Bei dieser Lösung ist jedoch die Anzahl der für die Signalübertragung nutzbaren Anschlüsse drastisch verringert, so daß sie für Anwendungen mit einer hohen Si¬ gnaldichte wenig brauchbar erscheint.Conventionally, the problem of crosstalk can be solved by passing the signals only over every second contact, while the contacts in between are grounded. With this solution, however, the number of connections that can be used for signal transmission is drastic reduced so that it appears to be of little use for applications with a high signal density.

Aus der DE 40 40 551 C2 ist es bekannt, ein Obersprechen zwi- sehen einander benachbarten Anschlüssen in einander benach¬ barten vertikalen Reihen durch Einfügen eines Abschirmelemen¬ tes zwischen die vertikalen Anschlußreihen einer Federleiste zu verhindern. Nachteilig bei dieser Lösung ist jedoch, daß von den fünf verfügbaren Kontaktreihen nur drei Reihen für Signale brauchbar sind, und zwei Reihen mit Masse belegt werden.From DE 40 40 551 C2 it is known to prevent crosstalk between adjacent connections in adjacent vertical rows by inserting a shielding element between the vertical connection rows of a female connector. A disadvantage of this solution, however, is that only three rows of the five available contact rows are usable for signals, and two rows are grounded.

Aus der eingangs genannten Offenlegungsschrift ist zwar eine Abschirmeinheit mit zwei durch eine Brücke verbundenen Schottblechen bekannt. Es werden dort jedoch ausschließlich Verbinderelemente vorgeschlagen, vgl. die Figuren 2, 7 und 8, bei denen jeweils nur eine erste, vordere Hälfte der Signal- kontakte einer Spalte unmittelbar durch die zu dieser Spalte gehörige Abschirmeinheit geschirmt ist. Die andere Hälfte der Spalte ist durch zwei weitere Abschirmeinheiten geschirmt, die an den links und rechts benachbarten Spalten angeordnet sind und sich dort jeweils nur entlang der zweiten, hinteren Hälfte der Signalkontakte erstrecken. Diese bekannte kon¬ struktive Lösung hat den Nachteil, daß in jeder Spalte je- weils ein Signalkontakt mit Masse belegt werden muß, da für jede Spalte eine Abschirmeinheit vorgesehen ist, was an sich schon fertigungstechnisch aufwendig ist. Unvorteilhaft hin¬ sichtlich der Herstellung ist außerdem die Tatsache, daß zwei unterschiedliche Abschirmeinheiten Verwendung finden, sowie die sich insgesamt ergebende komplizierte Montagefolge. Von der Arbeitsweise der Abschirmung her ist die bekannte Lösung insofern problematisch, als dort jede Abschirmeinheit nur mit einem Masseanschluß mit der Leiterplatte verbindbar ist, wo¬ durch der Rückflußstrom nicht den idealen Weg verfolgen kann.A shielding unit with two bulkhead plates connected by a bridge is known from the aforementioned publication. However, only connector elements are proposed there, cf. FIGS. 2, 7 and 8, in each of which only a first, front half of the signal contacts of a column is shielded directly by the shielding unit belonging to this column. The other half of the column is shielded by two further shielding units which are arranged on the columns adjacent to the left and right and in each case only extend along the second, rear half of the signal contacts. This known constructive solution has the disadvantage that a signal contact must be connected to ground in each column, since a shielding unit is provided for each column, which in itself is complex in terms of production technology. The fact that two different shielding units are used, as well as the overall complicated assembly sequence that results, is also disadvantageous with regard to production. The known solution is problematic in terms of the method of operation of the shielding, in that each shielding unit can only be connected to the printed circuit board with one ground connection, so that the return flow cannot follow the ideal path.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, einen verbesserten Steckverbinder der eingangs genannten Art zu schaffen, der insbesondere Nebensprechen zuverlässig verhin¬ dert, der konstruktive Änderungen nur bei einem Verbinderele¬ ment, der Federleiste, bedingt und der einfach herstellbar ist.The present invention has for its object to an improved connector of the type mentioned create, which in particular reliably prevents crosstalk, which causes structural changes only in one connector element, the female connector, and which is easy to produce.

Diese Aufgabe wird bei einem Verbinderelement der eingangs genannten Art erfindungsgemäß dadurch gelöst, c) daß die Masseplättchen sich jeweils über alle dazwischenliegenden Signalkontakte einer Spalte erstrecken, d) und daß nur für jede zweite Signalkontaktspalte eine Abschirmeinheit vorgesehen ist.This object is achieved according to the invention in a connector element of the type mentioned at the outset in that c) the ground plates each extend over all signal contacts in between in a column, d) and in that a shielding unit is provided only for every second signal contact column.

Weiterbildungen der Erfindung sind Gegenstand von Unteran- Sprüchen.Further developments of the invention are the subject of claims.

Im folgenden wird die Erfindung anhand von Ausführungsbei- spielen und den Figuren der Zeichnungen näher erläutert. Es zeigt:The invention is explained in more detail below on the basis of exemplary embodiments and the figures of the drawings. It shows:

Figur 1 in perspektivischer Darstellung eine Abschirmeinheit mit einem noch nicht eingesetzten Masse-Federkontakt sowie eine Federleiste, Figur 2 in ähnlicher Darstellung wie in Figur 1 eine weitere Ausführungsform einer Abschirmeinheit,1 shows a perspective view of a shielding unit with a mass-spring contact that has not yet been inserted and a female connector, FIG. 2 shows a further embodiment of a shielding unit in a representation similar to that in FIG. 1,

Figur 3 eine schematische Draufsicht auf einen Teil einer mit dem Verbinderelement verbundenen Leiterplatte, Figur 4 eine andere Ausführung der Leiterplatte gemäß Figur 3.3 shows a schematic plan view of part of a circuit board connected to the connector element, FIG. 4 shows another embodiment of the circuit board according to FIG. 3.

In Figur 1 oben ist eine erfindungsgemäße Abschirmeinheit 3 dargestellt, die zwei parallele Masseplättchen 4 und 5 auf¬ weist, die am messerleistenseitigen Ende der Abschirmeinheit, in Figur 1 also ganz oben, über eine Brücke 6, die einen von ihr abstehenden einpreßbaren ersten Masseanschluß 7 aufweist, leitend miteinander verbunden sind. Am messerleistenseitigen Ende der Abschirmeinheit 3 ist ein am Masseplättchen 4 ausge- bildeter Schneidklemmkontakt 9 angedeutet. Der gegenüberlie¬ gend am Masseplättchen 5 ebenso ausgebildete Schneidklem kon- takt 10 ist aufgrund der gewählten Perspektive nicht erkenn¬ bar.Shown in FIG. 1 above is a shielding unit 3 according to the invention, which has two parallel ground plates 4 and 5 which, at the end of the shielding unit on the knife bar side, in FIG has conductively connected to each other. At the end of the shielding unit 3 on the knife bar side, a formed insulation displacement contact 9 indicated. The insulation displacement contact 10, which is also formed on the ground plate 5, cannot be seen due to the selected perspective.

Die vorliegende Erfindung bekämpft das Nebensprechen grund¬ sätzlich mittels Masseplättchen, die zwischen den Signalkon¬ takten einer Spalte in der Federleiste angebracht werden. Diese Masseplättchen müssen einen niederohmigen Kontakt mit einem oder mehreren Stiftkontakten auf der Geräterückwand bzw. der Messerleiste machen. Dieser Kontakt muß soweit wie möglich vorne in der Federleiste stattfinden, damit die indu¬ zierten Ströme auf kürzesten Wegen neutralisiert werden kön¬ nen. Die als Masseplättchen ausgebildeten Schirmbleche redu- zieren induktives und kapazitives Obersprechen und wirken als induktivitätsarme Verbindungswege zur Masse, um die Signalwegimpedanz zu mindern. Sie verbessern die Übertra¬ gungsqualität des Signals.The present invention generally combats crosstalk by means of ground plates which are placed between the signal contacts of a column in the female connector. These ground plates must make a low-resistance contact with one or more pin contacts on the back of the device or on the male connector. As far as possible, this contact must take place in the front of the female connector so that the induced currents can be neutralized in the shortest possible way. The shield plates designed as ground plates reduce inductive and capacitive crosstalk and act as low-inductance connection paths to the ground in order to reduce the signal path impedance. They improve the transmission quality of the signal.

Zur Herstellung eines Massekontakts von der Messerleiste über die Federleiste bzw. die Abschirmeinheit bis zur mit der Fe¬ derleiste verbundenen Leiterplatte ist erfindungsgemäß in der Abschirmeinheit 3 ein Federkontakt 8 vorgesehen, der die Stelle eines Signalkontakts 2 der jeweiligen Spalte einnimmt. Dieser Federkontakt 8 kann vorteilhaft von gegenüberliegend an den messerleistenseitigen Enden der Masseplättchen 4, 5 jeweils ausgebildeten Schneidklemmkontakten 9 und 10 gehalten sein, wie in den Figuren 1 und 2 an verschiedenen Ausfüh¬ rungsformen dargestellt.To produce a ground contact from the male connector via the female connector or the shielding unit to the circuit board connected to the female connector, a spring contact 8 is provided in the shielding unit 3, which takes the place of a signal contact 2 of the respective column. This spring contact 8 can advantageously be held by insulation displacement contacts 9 and 10 formed opposite each other on the ends of the mass platelets 4, 5 on the knife bar side, as shown in different embodiments in FIGS. 1 and 2.

Bei der Ausführung gemäß Figur 1 ist der Federkontakt 8 mit seitlichen, in Längsrichtung der Federleiste 1 liegenden Schultern 11 ausgebildet, die somit auf einfache Weise einen Halt durch die Schneidklemmkontakte 9 und 10 und damit eine sichere elektrische Verbindung ermöglichen. Die Ausführungs¬ form gemäß Figur 2 unterscheidet sich davon dadurch, daß dort am messerleistenseitigen Ende eines Kontaktschenkels des Fe- derkontakts 8 eine breite, in Längsrichtung der Federleiste liegende Fahne 12 ausgebildet ist, die an den Seiten jeweils wiederum durch einen Schneidklemmkontakt 9 und 10 gehalten ist. Die Montage erfolgt bei der Ausführung nach Figur 1 der- art, daß zunächst der Federkontakt 8 im Isolierkörper der Fe¬ derleiste 1 eingesetzt wird und daß anschließend die raesser- leistenseitig als Signalfederkontakte ausgebildeten Signal¬ kontakte 2 eingesetzt werden. Jeweils zwei Masseplättchen werden dann zusammenhängend als Bügel gebogen, und gleichzei- tig zwischen den Signalfederkontakten eingesetzt, wobei die Masse-Kontaktierung an den Schneidklemmkontakten 9 und 10 er¬ folgt. Bei der Montage der Abschirmeinheit 3 gemäß Figur 2 werden zuerst die Signalfederkontakte im Isolierkörper der Federleiste bestückt, anschließend werden die Masseplättchen dazwischengeschoben, und mittels der Schneidklemmkontakte 9 und 10 an der Fahne 12 des Federkontakts 8 kontaktiert.In the embodiment according to FIG. 1, the spring contact 8 is formed with lateral shoulders 11 lying in the longitudinal direction of the spring strip 1, which should therefore allow a hold by the insulation displacement contacts 9 and 10 and thus a secure electrical connection. The embodiment according to FIG. 2 differs from the fact that there at the end of a contact leg of the Fe derkonts 8 a wide, in the longitudinal direction of the female connector 12 flag is formed, which is in turn held on the sides by an insulation displacement contact 9 and 10. The assembly according to FIG. 1 is carried out in such a way that first the spring contact 8 is inserted in the insulating body of the spring strip 1 and that the signal contacts 2 designed as signal spring contacts on the power supply side are then used. In each case two ground plates are then bent together as a bracket and inserted at the same time between the signal spring contacts, the ground contact being made at the insulation displacement contacts 9 and 10. When installing the shielding unit 3 according to FIG. 2, the signal spring contacts are first fitted in the insulating body of the female connector, then the ground plates are pushed in between and contacted by means of the insulation displacement contacts 9 and 10 on the lug 12 of the spring contact 8.

Für praktische Anwendungen ist es vorteilhaft, wenn, wie bei den Ausführungen gemäß Figur 1 und 2, der mittlere Signalkon- takt 2 der jeweiligen Spalte durch den Federkontakt 8 und durch den Masseanschluß 7 ersetzt ist. Die Abschirmeinheit 3 mit dem für den Massenanschluß zur Messerleiste hin vorgese¬ henen Federkontakt 8 wird, wie aus Figur 1 entnehmbar, in je¬ de zweite Spalte der Federleiste 1 eingesetzt. Für die Feder- kontakte 8 ist in den betreffenden Spalten der Federleiste 1 dabei jeweils eine Öffnung 16 vorgesehen. Erfindungsgemäß ge¬ lingt die vollständige spaltenweise Schirmung der Signalkon¬ takte demnach mittels einheitlich ausgebildeter Abschirmein¬ heiten 3, wobei es besonders vorteilhaft ist, daß pro zwei Spalten nur eine Abschirmeinheit benötigt wird. Dies bringt den weiteren Vorteil mit sich, daß pro zwei Spalten nur ein Signalkontakt mit Masse belegt werden muß.For practical applications, it is advantageous if, as in the embodiments according to FIGS. 1 and 2, the middle signal contact 2 of the respective column is replaced by the spring contact 8 and by the ground connection 7. The shielding unit 3 with the spring contact 8 provided for the ground connection to the male connector is inserted into each second column of the female connector 1, as can be seen in FIG. An opening 16 is provided in each case for the spring contacts 8 in the relevant columns of the spring strip 1. According to the invention, the complete column-wise shielding of the signal contacts is accordingly achieved by means of uniformly designed shielding units 3, it being particularly advantageous that only one shielding unit is required per two columns. This has the further advantage that only one signal contact has to be grounded per two columns.

Es ist elektrisch günstiger, wenn an der Abschirmeinheit 3, wie in den Figuren 1 und 2 dargestellt, mindestens ein zwei- ter einpreßbarer Masseanschluß 13 ausgebildet ist. In vieler Hinsicht als optimal hat sich die in Figur 1 und 2 darge¬ stellte Konfiguration herausgestellt, bei der die Brücke 6 an dem dem messerleistenseitigen Ende der Abschirmeinheit 3 ge¬ genüberliegenden Ende angeordnet ist und bei der die Einpre߬ anschlüsse der jeweiligen Signalkontaktspalte sich spaltenar¬ tig zwischen dem hinter diesen Einpreßanschlüssen liegenden ersten Masseanschluß 7 und dem vor diesen Einpreßanschlüssen liegenden weiteren Masseanschlüssen 13 erstrecken. Dies geht genauer aus den in den Figuren 3 und 4 gezeigten Konfigura¬ tionen der Anschlußbohrungen auf der Leiterplatte hervor. Die Anschlüsse sind insgesamt so verlegt bzw. ausgeformt, daß ei- ne optimale Führung des Rückflußstromes möglich ist. Um die Entflechtung bezüglich der Leiterbahnen auf bzw. durch die Leiterplat'te hindurch nicht zu erschweren, ist es vorteil¬ haft, wenn die Anschlußbohrungen für die Masseanschlüsse am vorderen Rand der Baugruppe und/oder hinter den Signalan- schlußreihen 15 wie dargestellt in einer Linie 14 liegen. An¬ gedeutet in den Figuren 3 und 4 ist auch die Lage jeweils ei¬ ner Abschirmeinheit 3. In Figur 4 ist eine alternative Kon- taktierung dargestellt, bei der Druckkontakte, mit einer gro¬ ßen plastischen Verformbarkeit und einer ausreichend großen elastischen Rückkstellwirkung, zwischen den Signalanschlu߬ reihen 15 liegen.It is electrically more favorable if, as shown in FIGS. 1 and 2, at least one second press-in ground connection 13 is formed on the shielding unit 3. The configuration shown in FIGS. 1 and 2, in which the bridge 6 is connected, has proven to be optimal in many respects the end opposite the knife-bar end of the shielding unit 3 is arranged and in which the press-in connections of the respective signal contact gaps extend in the manner of a gap between the first ground connection 7 behind these press-in connections and the further ground connections 13 in front of these press-in connections. This can be seen more precisely from the configurations of the connection bores shown in FIGS. 3 and 4 on the printed circuit board. Overall, the connections are laid or shaped in such a way that optimal guidance of the return flow is possible. In order not to make the unbundling with respect to the conductor tracks on or through the printed circuit board more difficult, it is advantageous if the connection bores for the ground connections at the front edge of the module and / or behind the signal connection rows 15 as shown in a line 14 lie. The position of a shielding unit 3 is also indicated in FIGS. 3 and 4. FIG. 4 shows an alternative contact in which pressure contacts, with a large plastic deformability and a sufficiently large elastic return action, between the Signalanschlu߬ rows 15 are.

Das erfindungsgemäße Verbinderelement eignet sich demnach be¬ sonders zur Kombination mit einer Leiterplatte, wobei sich die Einpreßanschlüsse und die einpreßbaren Masseanschlüsse 7 und 13 in die Leiterplatte erstrecken. Ermöglicht werden da¬ durch Anordnungen, bestehend aus einem erfindungsgemäßen Ver¬ binderelement bzw. einer erfindungsgemäßen Kombination mit einer Federleisten-Leiterplatte, und aus einer damit durch Stecken verbindbaren Kombination einer Messerleiste mit einer weiteren Leiterplatte. Die Erfindung ist insbesondere erfolg¬ reich im Zusammenhang mit der SIPAC (eingetragenes Warenzei¬ chen) -High Speed Steckverbinderfamilie der Firma Siemens ein¬ setzbar. The connector element according to the invention is therefore particularly suitable for combination with a printed circuit board, the press-in connections and the press-in ground connections 7 and 13 extending into the printed circuit board. This is made possible by arrangements consisting of a connector element according to the invention or a combination according to the invention with a female connector printed circuit board, and a combination of a male connector with another printed circuit board which can be connected by plugging. The invention can be used particularly successfully in connection with the SIPAC (registered trademark) high-speed connector family from Siemens.

Claims

Patentansprüche claims 1. Leiterplatten-Verbinderelement a) mit einer Vielzahl von gitterförmig in Spalten und Reihen in einer Federleiste (1) aus Isolierstoff angeordneten Si¬ gnalkontakten (2), b) und mit einer Abschirmeinheit (3), die ein erstes und zweites Masseplättchen (4, 5) enthält, die leitend sind, die auf gegenüberliegenden Seiten mindestens eines der Si- gnalkontakte (2) angeordnet sind und die über eine Brücke (6) leitend miteinander verbunden sind, wobei die Ab¬ schirmeinheit (3) einen von ihr abstehenden ersten Masse¬ anschluß (7) aufweist, der mit der Leiterplatte leitend verbindbar ist, d a d u r c h g e k e n n z e i c h n e t , c) daß die Masseplättchen (4, 5) sich jeweils über alle da¬ zwischenliegenden Signalkontakte (2) einer Spalte er¬ strecken, d) und daß nur für jede zweite Signalkontaktspalte eine Ab- schirmeinheit (3) vorgesehen ist.1. PCB connector element a) with a plurality of signal contacts (2), b) arranged in grid and rows in columns and rows in a female connector (1) made of insulating material and with a shielding unit (3) which has a first and second ground plate (4 , 5) which are conductive, which are arranged on opposite sides of at least one of the signal contacts (2) and which are conductively connected to one another via a bridge (6), the shielding unit (3) projecting from it a first one Has ground connection (7), which can be conductively connected to the printed circuit board, characterized in that c) that the ground plates (4, 5) each extend over all signal contacts (2) between a column, d) and that only a shielding unit (3) is provided for every second signal contact column. 2. Verbinderelement nach ,Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , daß die Ab¬ schirmeinheit (3) einen Federkontakt (8) enthält, der die Stelle eines Signalkontakts (2) der jeweiligen Spalte ein¬ nimmt, und daß der Federkontakt (8) von gegenüberliegend an den messerleistenseitigen Enden der Masseplättchen (4, 5) je¬ weils ausgebildeten Schneidklemmkontakten (9, 10) gehalten ist .2. Connector element according to, claim 1, characterized in that the shielding unit (3) contains a spring contact (8) which takes the place of a signal contact (2) of the respective column, and that the spring contact (8) from opposite the ends of the small plates (4, 5) on the knife bar side are each formed by insulation displacement contacts (9, 10). 3. Verbinderelement nach Anspruch 2, d a d u r c h g e k e n n z e i c h n e t , daß der Fe¬ derkontakt (8) mit seitlichen, in Längsrichtung der Federlei¬ ste (1) liegenden Schultern (11) ausgebildet ist, die durch die Schneidklemmkontakte (9, 10) gehalten sind.3. Connector element according to claim 2, so that the spring contact (8) is formed with lateral shoulders (11) lying in the longitudinal direction of the spring bar (1), which are held by the insulation displacement contacts (9, 10). 4. Verbinderelement nach Anspruch 2, d a d u r c h g e k e n n z e i c h n e t , daß am mes¬ serleistenseitigen Ende eines Kontaktschenkels des Federkon¬ takts (8) eine breite, in Längsrichtung der Federleiste (8) liegende Fahne (12) ausgebildet ist, die an den Seiten je- weils durch einen Schneidklemmkontakt (9, 10) gehalten ist.4. Connector element according to claim 2, characterized in that at the end of a contact leg of the spring contact (8) on the measurement strip side a wide flag (12) lying in the longitudinal direction of the spring strip (8) is formed, each of which has an insulation displacement contact (9, 10) on the sides is held. 5. Verbinderelement nach einem der Ansprüche 2 bis 4, d a d u r c h g e k e n n z e i c h n e t , daß der mitt¬ lere Signalkontakt (2) der jeweiligen Spalte durch den Feder- kontakt (8) und durch den Masseanschluß (7) ersetzt ist.5. Connector element according to one of claims 2 to 4, so that the central signal contact (2) of the respective column is replaced by the spring contact (8) and by the ground connection (7). 6. Verbinderelement nach einem der Ansprüche 1 bis 5, d a d u r c h g e k e n n z e i c h n e t , daß an der Abschirmeinheit (3) mindestens ein zweiter einpreßbarer Mas- seanschluß (13) ausgebildet ist.6. Connector element according to one of claims 1 to 5, d a d u r c h g e k e n n z e i c h n e t that at least a second press-in ground connection (13) is formed on the shielding unit (3). 7. Verbinderelement nach Anspruch 6, d a d u r c h g e k e n n z e i c h n e t , daß die Brücke (6) an dem dem messerleistenseitigen Ende der Ab- schirmeinheit (3) gegenüberliegenden Ende angeordnet ist und daß die Einpreßanschlüsse der jeweiligen Signalkontaktspalte sich spaltenartig zwischen dem hinter diesen Einpreßanschlüs¬ sen liegenden ersten Masseanschluß (7) und den vor diesen Einpreßanschlüssen liegenden weiteren Massenanschlüssen (13) erstrecken.7. Connector element according to claim 6, characterized in that the bridge (6) is arranged at the end opposite the knife-bar-side end of the shielding unit (3) and that the press-in connections of the respective signal contact gaps are column-like between the first ground connection lying behind these press-in connections (7) and the further ground connections (13) lying in front of these press-in connections. 8. Kombination eines Verbinderelementes nach einem der vor¬ hergehenden Ansprüche mit einer Leiterplatte, wobei sich die Einpreßanschlüsse und die einpreßbaren Masseanschlüsse (7, 13) in die Leiterplatte erstrecken.8. Combination of a connector element according to one of the preceding claims with a printed circuit board, the press-in connections and the press-in ground connections (7, 13) extending into the printed circuit board. 9. Kombination nach Anspruch 8, d a d u r c h g e k e n n z e i c h n e t , daß die An¬ schlußbohrungen (14) für die Masseanschlüsse (7, 13) auf der Leiterplatte jeweils in einer Reihe vor und hinter den An¬ schlußbohrungen (15) für die Einpreßanschlüsse der Signalkon¬ takte (2) liegen. 9. Combination according to claim 8, characterized in that the connection bores (14) for the ground connections (7, 13) on the circuit board in each case in a row in front of and behind the connection bores (15) for the press-in connections of the signal contacts ( 2) lie. 10. Anordnung, bestehend aus einem Verbinderelement nach ei¬ nem der Ansprüche 1 bis 7, oder einer Kombination nach An¬ spruch 8 oder 9, und aus einer damit durch Stecken verbindba- ren Kombination einer Messerleiste mit einer weiteren Leiter¬ platte. 10. Arrangement consisting of a connector element according to one of claims 1 to 7, or a combination according to claim 8 or 9, and of a combination of a male connector with a further printed circuit board that can be connected by plugging.
EP95942705A 1994-12-22 1995-12-20 Electrical connector with shielding Expired - Lifetime EP0871998B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4446098A DE4446098C2 (en) 1994-12-22 1994-12-22 Shielded electrical connector
DE4446098 1994-12-22
PCT/EP1995/005046 WO1996019850A1 (en) 1994-12-22 1995-12-20 Electrical connector with shielding

Publications (2)

Publication Number Publication Date
EP0871998A1 true EP0871998A1 (en) 1998-10-21
EP0871998B1 EP0871998B1 (en) 2003-11-26

Family

ID=6536786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95942705A Expired - Lifetime EP0871998B1 (en) 1994-12-22 1995-12-20 Electrical connector with shielding

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Country Link
US (1) US5904594A (en)
EP (1) EP0871998B1 (en)
JP (1) JPH10510944A (en)
AT (1) ATE255286T1 (en)
AU (1) AU4387996A (en)
CA (1) CA2208477C (en)
DE (2) DE4446098C2 (en)
FI (1) FI972671L (en)
HU (1) HUT77617A (en)
WO (1) WO1996019850A1 (en)

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Also Published As

Publication number Publication date
EP0871998B1 (en) 2003-11-26
FI972671A0 (en) 1997-06-19
ATE255286T1 (en) 2003-12-15
JPH10510944A (en) 1998-10-20
FI972671A7 (en) 1997-06-19
DE59510837D1 (en) 2004-01-08
DE4446098C2 (en) 1998-11-26
FI972671L (en) 1997-06-19
CA2208477A1 (en) 1996-06-27
AU4387996A (en) 1996-07-10
DE4446098A1 (en) 1996-09-05
WO1996019850A1 (en) 1996-06-27
CA2208477C (en) 2007-10-09
US5904594A (en) 1999-05-18
HUT77617A (en) 1998-06-29

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