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EP0667048A1 - Screening device for a back-panel socket. - Google Patents

Screening device for a back-panel socket.

Info

Publication number
EP0667048A1
EP0667048A1 EP93922533A EP93922533A EP0667048A1 EP 0667048 A1 EP0667048 A1 EP 0667048A1 EP 93922533 A EP93922533 A EP 93922533A EP 93922533 A EP93922533 A EP 93922533A EP 0667048 A1 EP0667048 A1 EP 0667048A1
Authority
EP
European Patent Office
Prior art keywords
shield
spring tongues
contact
contact spring
connector
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
EP93922533A
Other languages
German (de)
French (fr)
Other versions
EP0667048B1 (en
Inventor
Erich Thalhammer
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to EP93922533A priority Critical patent/EP0667048B1/en
Publication of EP0667048A1 publication Critical patent/EP0667048A1/en
Application granted granted Critical
Publication of EP0667048B1 publication Critical patent/EP0667048B1/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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/947—PCB mounted connector with ground terminal

Definitions

  • the invention relates to a shield device for a plug connector of a backplane of a module frame, the shield device along the side walls of a connector housing having plate shields perpendicular to the backplane, which are connected to a shielding layer of the backplane.
  • Such a screen device is e.g. has become known through the documents of the German utility model 92 05 780.2.
  • the shield plates are provided with pin-like projections, which are press-fit into the holes in the circuit board. It is customary to design these bores as plated-through holes which are connected to the ground layers of the printed circuit board. This creates a close shield contact between the shield plate and the ground layers.
  • the shield plates have a plurality of spring tongues which are in the plug-in direction and can be connected to a shield housing of a pluggable mating connector.
  • the spring tongues are punched out of the shield plate and bent out to the side walls of the connector housing. This results in breakthroughs in the shield plate, which can impair its shielding effect. But there is also a gap between the shield plate and the outer wall of the attached shield housing, which can further reduce the shielding effect.
  • the object of the invention is to improve the shielding safety of the rear wall connector.
  • the contact spring strip enables the shield plate to be formed without openings. It can work with a variety of closely adjacent spring tongues are provided which result in a large number of decoupled contacts and which close the gap between the plug-in shield housing of the mating connector and the shield plate in a high-frequency-tight manner.
  • the contact spring strip can be designed in terms of its shape and nature so that it has optimal spring and contact properties.
  • the spring plate can therefore be provided with a higher rigidity.
  • the mating connector can then also with its shield housing
  • Shield plates are guided and supported, which increases the contact reliability of the connector.
  • the contact spring strip according to claims 3 and 4 can be easily manufactured and results in a high stability of the spring tongues even in the lateral direction. This makes it possible to fix the contact spring strip on the shield plate on the side facing away from the mating connector, without the other ends of the spring tongues being damaged or bent when the shield housing is inserted. Spot welding creates very good contact between the contact spring strip and the shield plate on the side facing the ground layers of the printed circuit boards. This allows the interference currents to be diverted to the ground layers in the shortest possible way.
  • the development according to claim 5 ensures that the shield housing of the mating connector is not on the upper can hit the edges of the contact spring strip and damage it.
  • the postage clearances according to claim 7 create favorable starting surfaces for the insertion tool in the region of the double bend.
  • the advantages of the shielding device can be used in particular for cable connectors which can be plugged on at the rear and which are exposed to external mechanical influences and are therefore subjected to a greater load in terms of their guiding and contact properties than the modules which are plugged on at the front.
  • the transverse shield plates according to claim 9 can e.g. be arranged along the short end walls of the connector housing. However, there is also the possibility of arranging several of these transverse shielding plates one behind the other at shorter intervals. It is then possible to plug several short mating connectors in a row onto the connector. For the inner cross plates, it is then advisable to attach the contact spring strips on both sides.
  • Inlet bevels formed which are continuously bulged from the shield plate to the shield housing. This prevents the contact spring strips from being caught and damaged by the shield housing when the mating connector is attached.
  • the flaps close the frankings, which improves the shielding effect of the transverse shielding plates. Due to the further development according to claim 11, only one shield plate is required for two adjacent plug-in cable connectors.
  • the two contact spring strips are inexpensively connected in one piece to one another and fastened to the shield plate, which, for example, reduces the effort for the required spot welds.
  • FIG. 1 schematically shows a cross section through a plug connector with shield plates and a rear wall circuit board of a frame for insertable assemblies
  • FIG. 2 shows a section along the line II-II in FIG. 1
  • a connector 1 is provided with a shield housing 2, which is placed on the outside of a rear wall circuit board 3.
  • the plug connector 1 is provided with plug pins 4 which protrude through the rear wall circuit board 3 and can be contacted on the inside thereof with plug-in plug-in modules 5.
  • Shield plates 7 are arranged along side walls 6 of the plug housing 2 and are pressed into through-bores in the rear wall circuit board 3 with pin-like projections 13.
  • This is e.g. formed as a multi-layer plate which has closed ground layers on the outside, which are connected to the plated-through holes.
  • contact spring strips 8 are attached which are provided with a bulge perforated by transverse slots 9 towards the side walls 6. Between the transverse slots 9 there are spring tongues which extend in the insertion direction of a mating connector (not shown in more detail), the shield housing 11 of which is indicated by dash-dotted lines and stands directly above the side walls 6. The shield housing 11 with the mating connector can be pushed over the side walls 6 in the direction indicated by the arrow and is then contacted with the bulges of the spring tongues 10. These are supported at their two ends on the shield plate 7.
  • the spring tongues 10 are held on their side facing the backplane 3 on a connecting web 11 which e.g. is attached to the shield plate 7 by spot welding. At the opposite ends of the spring tongues 10, these are connected to one another by thin transverse webs 12, which are slidably supported on the shield plate 7.
  • the bulge is so high that the distance between the spring tongues 10 of the outer wall 6 is smaller than the thickness of the shield housing 11, which ensures reliable contact.
  • the shield plate 7 has a double bend 14 over the crossbars 12 of the contact spring strip 8, which covers the outer edge of the contact spring strip 8 in the manner of a crank, so that the upper longitudinal edge of the contact spring strip 8 is not caught by the shield housing 11 attached that can.
  • the shield plate 7 is formed closed in the area of the contact spring strip 8.
  • the spring tongues 10 are lined up so closely that they close the gap between the shield plate 7 and the shield housing 11 in a high-frequency-tight manner.
  • the shield plates 17, 18 according to FIGS. 3 to 6 have a crenellated shape on their side facing away from the projections 13 Openings 23, into which, closing these, protruding flaps 24 of the contact spring strips 19, 20 complementary to one another. These tabs run obliquely into the clearances 23 in the direction of curvature of the arcuate bulges of the contact spring strips 19, 20, as a result of which the upper edges of the tabs 24 lie in the area of overlap of the shield plates (17, 18) and from the shield housing to be plugged on Cable connector can not be detected.
  • the inner shield plates 17, which are arranged between the end faces of the plug connector have contact spring strips on both sides, which are bent in one piece around the lower edge of the shield plate 17 facing the projections 13. Their tabs 24 projecting into the franking 23 are halved in width and alternately protrude into the frankings 23 from one side and the other side.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Insulating Bodies (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

PCT No. PCT/EP93/02761 Sec. 371 Date Apr. 27, 1995 Sec. 102(e) Date Apr. 27, 1995 PCT Filed Oct. 8, 1993 PCT Pub. No. WO94/10726 PCT Pub. Date May 11, 1994To improve a shielding effect of shielding metal sheets of a backplane plug connector, the sheets are designed to be closed and are provided on inner surfaces with contact spring strips which can make contact with a shielding housing of a plug-on cable plug.

Description

Schirmeinrichtung für einen RückwandsteckverbinderShield device for a rear wall connector
Die Erfindung bezieht sich auf eine Schirmeinrichtung für einen Steckverbinder einer Rückwandleiterplatte eines Bau¬ gruppenrahmens, wobei die Schirmeinrichtung entlang den Sei¬ tenwänden eines Steckergehäuses senkrecht zur Rückwandleiter platte stehende Schirmbleche aufweist, die mit einer Schirm- läge der Rückwandleiterplatte verbunden sind.The invention relates to a shield device for a plug connector of a backplane of a module frame, the shield device along the side walls of a connector housing having plate shields perpendicular to the backplane, which are connected to a shielding layer of the backplane.
Eine derartige Schirmeinrichtung ist z.B. durch die Unterla¬ gen des deutschen Gebrauchsmusters 92 05 780.2 bekannt ge¬ worden. Danach sind die Schirmbleche mit stiftartigen Vor- Sprüngen versehen, die in Bohrungen der Leiterplatte einpreß bar sind. Es ist üblich, diese Bohrungen als Durchkontaktie- rungen auszubilden, die mit den Masselagen der Leiterplatte in Verbindung stehen. Dadurch ist zwischen dem Schirmblech und den Masselagen ein enger Schirmkontakt hergestellt.Such a screen device is e.g. has become known through the documents of the German utility model 92 05 780.2. Then the shield plates are provided with pin-like projections, which are press-fit into the holes in the circuit board. It is customary to design these bores as plated-through holes which are connected to the ground layers of the printed circuit board. This creates a close shield contact between the shield plate and the ground layers.
Die Schirmbleche weisen eine Vielzahl von in der Steckrich¬ tung stehenden Federzungen auf, die mit einem Schirmgehäuse eines aufsteckbaren Gegensteckers verbindbar sind. Die Feder zungen sind aus dem Schirmblech freigestanzt und zu den Sei- tenwänden des Steckergehäuses hin ausgebogen. Dabei ergeben sich Durchbrüche im Schirmblech, die dessen Schirmwirkung be einträchtigen können. Aber auch zwischen dem Schirmblech und der Außenwand des aufgesteckten Schirmgehäuses ergibt sich eine Spalte, die die Schirmwirkung noch weiter verringern kann.The shield plates have a plurality of spring tongues which are in the plug-in direction and can be connected to a shield housing of a pluggable mating connector. The spring tongues are punched out of the shield plate and bent out to the side walls of the connector housing. This results in breakthroughs in the shield plate, which can impair its shielding effect. But there is also a gap between the shield plate and the outer wall of the attached shield housing, which can further reduce the shielding effect.
Der Erfindung liegt die Aufgabe zugrunde, die Schirmsicher¬ heit des Rückwandsteckverbinders zu verbessern.The object of the invention is to improve the shielding safety of the rear wall connector.
Diese Aufgabe wird durch die Erfindung gemäß Anspruch 1 ge¬ löst. Der Kontaktfederstreifen ermöglicht es, das Schirmblec ohne Durchbrüche auszubilden. Er kann mit einer Vielzahl von eng benachbarten Federzungen versehen sein, die eine Vielzahl voneinander entkoppelter Kontakte ergeben und die den Spalt zwischen dem aufgesteckten Schirmgehäuse des Gegensteckers und dem Schirmblech hochfrequenzdicht verschließen.This object is achieved by the invention according to claim 1. The contact spring strip enables the shield plate to be formed without openings. It can work with a variety of closely adjacent spring tongues are provided which result in a large number of decoupled contacts and which close the gap between the plug-in shield housing of the mating connector and the shield plate in a high-frequency-tight manner.
Der Kontaktfederstreifen kann hinsichtlich seiner Form und Beschaffenheit so gestaltet werden, daß er optimale Feder- und Kontakteigenschaften aufweist. Das Federblech kann daher mit einer höheren Steifigkeit versehen werden. Der Gegen- Stecker kann dann mit seinem Schirmgehäuse zusätzlich amThe contact spring strip can be designed in terms of its shape and nature so that it has optimal spring and contact properties. The spring plate can therefore be provided with a higher rigidity. The mating connector can then also with its shield housing
Schirmbleche geführt und abgestützt werden, was die Kontakt¬ sicherheit der Steckverbindung erhöht.Shield plates are guided and supported, which increases the contact reliability of the connector.
Vorteilhafte Weiterbildungen der Erfindung sind in den Ansprüchen 2 bis 8 gekennzeichnet:Advantageous developments of the invention are characterized in claims 2 to 8:
Durch die doppelseitige Abstützung der Federzungen nach Anspruch 2 kann bei geringer Materialdicke eine hohe Kontakt- kraft zwischen dem aufgesteckten Schirmgehäuse und den Feder- zungen erzielt werden. Außerdem wird dadurch die Anzahl der Kontaktstellen zwischen dem Kontaktfederstreifen und dem Schirmbleche verdoppelt.Due to the double-sided support of the spring tongues according to claim 2, a high contact force can be achieved between the attached shield housing and the spring tongues with a small material thickness. In addition, the number of contact points between the contact spring strip and the shield plates is doubled.
Der Kontaktfederstreifen nach den Ansprüchen 3 und 4 läßt sich einfach herstellen und ergibt eine hohe Stabilität der Federzungen auch in seitlicher Richtung. Dadurch ist es mög¬ lich, den Kontaktfederstreifen auf der dem Gegenstecker abge¬ wandten Seite am Schirmblech festzulegen, ohne daß die ande¬ ren Enden der Federzungen beim Einstecken des Schirmgehäuses beschädigt oder verbogen werden. Durch das Punktschweißen wird ein sehr guter Kontakt zwischen dem Kontaktfederstreifen und dem Schirmblech auf der den Masselagen der Leiterplatten zugewandten Seite hergestellt. Dadurch können die Störströme auf kürzestem Weg auf die Masselagen abgeleitet werden.The contact spring strip according to claims 3 and 4 can be easily manufactured and results in a high stability of the spring tongues even in the lateral direction. This makes it possible to fix the contact spring strip on the shield plate on the side facing away from the mating connector, without the other ends of the spring tongues being damaged or bent when the shield housing is inserted. Spot welding creates very good contact between the contact spring strip and the shield plate on the side facing the ground layers of the printed circuit boards. This allows the interference currents to be diverted to the ground layers in the shortest possible way.
Durch die Weiterbildung nach Anspruch 5 wird sichergestellt, daß das Schirmgehäuse des Gegensteckers nicht auf die Ober- kanten des Kontaktfederstreifens treffen und diesen beschädi¬ gen kann.The development according to claim 5 ensures that the shield housing of the mating connector is not on the upper can hit the edges of the contact spring strip and damage it.
Die Weiterbildung nach Anspruch 6 ermöglicht eine sichere Kontaktierung mit den Federzungen und gleichzeitig eine enge Führung des Schirmgehäuses an den Außenwänden des Stecker¬ gehäuses.The development according to claim 6 enables reliable contacting with the spring tongues and, at the same time, tight guiding of the shield housing on the outer walls of the plug housing.
Durch die Freimachungen nach Anspruch 7 werden günstige An- satzflächen für das Eindrückwerkzeug im Bereich der Doppel¬ biegung geschaffen.The postage clearances according to claim 7 create favorable starting surfaces for the insertion tool in the region of the double bend.
Die Vorteile der Schirmeinrichtung lassen sich besonders für rückseitig aufsteckbare Kabelstecker nach Anspruch 8 nutzen, die äußeren mechanischen Einwirkungen ausgesetzt sind und so¬ mit hinsichtlich ihrer Führungs- und Kontakteigenschaften erheblich stärker belastet sind, als die frontseitig aufge¬ steckten Baugruppen.The advantages of the shielding device can be used in particular for cable connectors which can be plugged on at the rear and which are exposed to external mechanical influences and are therefore subjected to a greater load in terms of their guiding and contact properties than the modules which are plugged on at the front.
Die querstehenden Schirmbleche nach Anspruch 9 können z.B. entlang den kurzen Stirnwänden des Steckergehäuses angeordnet sein. Es besteht aber auch die Möglichkeit, mehrere dieser querstehenden Schirmbleche in kürzeren Abständen hintereinan- derliegend anzuordnen. Es ist dann möglich, mehrere kurze Ge- genstecker hintereinandergereiht auf den Steckverbinder auf¬ zustecken. Für die inneren Querbleche empfiehlt es sich dann, zu deren beiden Seiten die Kontaktfederstreifen anzubringen.The transverse shield plates according to claim 9 can e.g. be arranged along the short end walls of the connector housing. However, there is also the possibility of arranging several of these transverse shielding plates one behind the other at shorter intervals. It is then possible to plug several short mating connectors in a row onto the connector. For the inner cross plates, it is then advisable to attach the contact spring strips on both sides.
Durch die zinnenförmigen Freimachungen und die komplementäre Lappen nach Anspruch 10 werden an den KontaktfederstreifenDue to the crenellated frankings and the complementary tabs according to claim 10 are on the contact spring strips
Einlaufschrägen gebildet, die stufenlos vom Schirmblech aus¬ gehend zum Schirmgehäuse hin ausgebaucht sind. Dadurch wird verhindert, daß die Kontaktfederstreifen beim Aufstecken des Gegensteckers vom Schirmgehäuse erfaßt und beschädigt werden können. Dabei verschließen die Lappen die Freimachungen, wo¬ durch die Schirmwirkung der querstehenden Schirmbleche ver¬ bessert wird. Durch die Weiterbildung nach Anspruch 11 wird für zwei be¬ nachbart einsteckbare Kabelstecker nur ein Schirmblech benö¬ tigt. Die beiden Kontaktfederstreifen sind kostengünstig ein- stückig mit einander verbunden und am Schirmblech befestigt, was z.B. den Aufwand für die erforderlichen Punktschweißungen verringert.Inlet bevels formed which are continuously bulged from the shield plate to the shield housing. This prevents the contact spring strips from being caught and damaged by the shield housing when the mating connector is attached. The flaps close the frankings, which improves the shielding effect of the transverse shielding plates. Due to the further development according to claim 11, only one shield plate is required for two adjacent plug-in cable connectors. The two contact spring strips are inexpensively connected in one piece to one another and fastened to the shield plate, which, for example, reduces the effort for the required spot welds.
Im folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert.The invention is explained in more detail below with reference to an embodiment shown in the drawing.
Figur 1 zeigt schematisiert einen Querschnitt durch einen Steckverbinder mit Schirmblechen und eine Rück¬ wandleiterplatte eines Rahmens für einschiebbare Baugruppen,FIG. 1 schematically shows a cross section through a plug connector with shield plates and a rear wall circuit board of a frame for insertable assemblies,
Figur 2 einen Schnitt entlang der Linie II-II in Figur 1FIG. 2 shows a section along the line II-II in FIG. 1
Figur 3 - 6 einzelne Schirmbleche nach Figur 1 und 2 in je- weils einer Draufsicht und einer Seitenansicht.3 - 6 individual shield plates according to FIGS. 1 and 2, each in a top view and a side view.
Nach den Figuren 1 und 2 ist ein Steckverbinder 1 mit einem Schirmgehäuse 2 versehen, das auf die Außenseite einer Rück¬ wandleiterplatte 3 aufgesetzt ist. Der Steckverbinder 1 ist mit Steckerstiften 4 versehen, die durch die Rückwandleiter¬ platte 3 hindurchragen und auf deren Innenseite mit ein¬ schiebbaren Steckbaugruppen 5 kontaktierbar sind.According to Figures 1 and 2, a connector 1 is provided with a shield housing 2, which is placed on the outside of a rear wall circuit board 3. The plug connector 1 is provided with plug pins 4 which protrude through the rear wall circuit board 3 and can be contacted on the inside thereof with plug-in plug-in modules 5.
Entlang Seitenwänden 6 des Steckergehäuses 2 sind Schirmble- ehe 7 angeordnet, die mit stiftartigen Vorsprüngen 13 in durchkontaktierte Bohrungen der Rückwandleiterplatte 3 einge¬ preßt sind. Diese ist z.B. als Mehrlagenplatte ausgebildet, die an ihrer Außenseite geschlossene Masselagen aufweist, die mit den durchkontaktierten Bohrungen verbunden sind.Shield plates 7 are arranged along side walls 6 of the plug housing 2 and are pressed into through-bores in the rear wall circuit board 3 with pin-like projections 13. This is e.g. formed as a multi-layer plate which has closed ground layers on the outside, which are connected to the plated-through holes.
An den dem Steckverbinder 1 zugewandten Innenseiten der Schirmbleche 7 sind Kontaktfederstreifen 8 angebracht, die mit einer von Querschlitzen 9 durchbrochenen Ausbauchung zu den Seitenwänden 6 hin versehen sind. Zwischen den Quer¬ schlitzen 9 ergeben sich Federzungen, die sich in der Ein¬ steckrichtung eines nicht näher dargestellten Gegensteckerε erstrecken dessen strich-punktiert angedeutetes Schirmgehäuse 11 unmittelbar über den Seitenwänden 6 steht. Das Schirmge¬ häuse 11 mit dem Gegenstecker kann in der angedeuteten Pfeil¬ richtung über die Seitenwände 6 geschoben werden und wird dann mit den Ausbauchungen der Federzungen 10 kontaktiert. Diese stützen sich zu ihren beiden Enden an dem Schirmblech 7 ab.On the inside of the shield plates 7 facing the connector 1, contact spring strips 8 are attached which are provided with a bulge perforated by transverse slots 9 towards the side walls 6. Between the transverse slots 9 there are spring tongues which extend in the insertion direction of a mating connector (not shown in more detail), the shield housing 11 of which is indicated by dash-dotted lines and stands directly above the side walls 6. The shield housing 11 with the mating connector can be pushed over the side walls 6 in the direction indicated by the arrow and is then contacted with the bulges of the spring tongues 10. These are supported at their two ends on the shield plate 7.
Die Federzungen 10 sind auf ihrer, der Rückwandleiterplatte 3 zugewandten Seite an einem Verbindungssteg 11 gehalten, der z.B. durch Punktschweißen am Schirmblech 7 befestigt ist. An den gegenüberliegenden Enden der Federzungen 10 sind diese durch dünne Querstege 12 miteinander verbunden, die sich ver¬ schiebbar am Schirmblech 7 abstützen. Die Ausbauchung ist da¬ bei so hoch, daß der Abstand zwischen den Federzungen 10 der Außenwand 6 kleiner ist als die Dicke des Schirmgehäuses 11 wodurch eine sichere Kontaktgabe gewährleistet ist.The spring tongues 10 are held on their side facing the backplane 3 on a connecting web 11 which e.g. is attached to the shield plate 7 by spot welding. At the opposite ends of the spring tongues 10, these are connected to one another by thin transverse webs 12, which are slidably supported on the shield plate 7. The bulge is so high that the distance between the spring tongues 10 of the outer wall 6 is smaller than the thickness of the shield housing 11, which ensures reliable contact.
Das Schirmblech 7 weist über den Querstegen 12 des Kontaktfe- derstreifens 8 eine Doppelbiegung 14 auf, die die äußere Kante des Kontaktfederstreifens 8 in der Art einer Kröpfung überdeckt, so daß die obere Längskante des Kontaktfederstrei- fens 8 vom aufgesteckten Schirmgehäuses 11 nicht erfaßt wer¬ den kann.The shield plate 7 has a double bend 14 over the crossbars 12 of the contact spring strip 8, which covers the outer edge of the contact spring strip 8 in the manner of a crank, so that the upper longitudinal edge of the contact spring strip 8 is not caught by the shield housing 11 attached that can.
Das Schirmblech 7 ist im Bereich des Kontaktfederstreifens 8 geschlossen ausgebildet. Die Federzungen 10 sind so eng an¬ einandergereiht, daß sie den zwischen dem Schirmblech 7 und dem Schirmgehäuse 11 bestehenden Spalt hochfrequenzdicht ver¬ schließen.The shield plate 7 is formed closed in the area of the contact spring strip 8. The spring tongues 10 are lined up so closely that they close the gap between the shield plate 7 and the shield housing 11 in a high-frequency-tight manner.
Die Schirmbleche 17, 18 nach den Figuren 3 bis 6 weisen auf ihrer den Vorsprüngen 13 abgewandten Seite zinnenförmige Freimachungen 23 auf, in die, diese verschließend, zin- nenförmig komplementäre Lappen 24 der Kontaktfederstreifen 19, 20 hineinragen. Diese Lappen verlaufen in der Krümmungs¬ richtung der bogenförmigen Ausbauchungen der Kontaktfeder- streifen 19, 20 schräg in die Freimachungen 23 hinein, wo¬ durch die Oberkanten der Lappen 24 im Überdeckungsbereich der Schirmbleche (17, 18) liegen und vom aufzusteckenden Schirm¬ gehäuse des Kabelsteckers nicht erfaßt werden können. Die in¬ neren, zwischen den Stirnseiten des Steckverbinders angeord- neten Schirmbleche 17 weisen zu beiden Seiten Kontaktfeder¬ streifen auf, die einstückig um die den Vorsprüngen 13 zuge¬ wandte Unterkante des Schirmblechs 17 herumgebogen sind. Ihre in die Freimachung 23 hineinragenden Lappen 24 sind in ihrer Breite halbiert und ragen abwechselnd von der einen Seite und der anderen Seite her in die Freimachungen 23 hinein. The shield plates 17, 18 according to FIGS. 3 to 6 have a crenellated shape on their side facing away from the projections 13 Openings 23, into which, closing these, protruding flaps 24 of the contact spring strips 19, 20 complementary to one another. These tabs run obliquely into the clearances 23 in the direction of curvature of the arcuate bulges of the contact spring strips 19, 20, as a result of which the upper edges of the tabs 24 lie in the area of overlap of the shield plates (17, 18) and from the shield housing to be plugged on Cable connector can not be detected. The inner shield plates 17, which are arranged between the end faces of the plug connector, have contact spring strips on both sides, which are bent in one piece around the lower edge of the shield plate 17 facing the projections 13. Their tabs 24 projecting into the franking 23 are halved in width and alternately protrude into the frankings 23 from one side and the other side.

Claims

Patentansprüche Claims
1. Schirmeinrichtung für einen Steckverbinder (1) einer Rück¬ wandleiterplatte (3) eines Baugruppenrahmens, wobei die Schirmeinrichtung entlang den Seitenwänden (6) eines Schirm¬ gehäuse (2) senkrecht zur Rückwandleiterplatte (3) stehende Schirmbleche (7, 18) aufweist, die mit einer Masselage der Rückwandleiterplatte (3) verbindbar sind und denen eine Vielzahl von sich vorzugsweise in der Steckrichtung er- streckenden Federzungen (10) zugeordnet sind, die mit einem Schirmgehäuse (11) eines aufsteckbaren Gegensteckers kontak- tierbar sind, d a d u r c h g e k e n n z e i c h n e t , daß die Schirmbleche (7, 18) im Kontaktierungsbereich mit dem Schirmgehäuse (11) des Gegensteckers durchgehend geschlossene Flächen aufweisen und daß die Federzungen (10) jeweils Be¬ standteil zumindest eines Kontaktfederstreifens (8, 20) sind, der an der Innenseite des Schirmblechs kontaktgebend anliegt.1. shield device for a plug connector (1) of a rear wall circuit board (3) of a module frame, the shield device along the side walls (6) of a shield housing (2) having shield plates (7, 18) perpendicular to the rear wall circuit board (3), which can be connected to a ground position of the backplane (3) and to which are assigned a plurality of spring tongues (10) which preferably extend in the plugging direction and which can be contacted with a shield housing (11) of a pluggable mating connector, characterized in that the Shield plates (7, 18) in the area of contact with the shield housing (11) of the mating connector have continuously closed surfaces and that the spring tongues (10) are in each case part of at least one contact spring strip (8, 20) which is in contact with the inside of the shield plate.
2. Schirmeinrichtung 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 Federzungen (10) bogenförmig gekrümmt verlaufen, daß das Schirmgehäuse (11) des Gegensteckers mit den Federzungen (10) in ihrem mittleren Krümmungsbereich kontaktierbar ist und daß sich die Federzungen (10) bei aufgestecktem Gegen¬ stecker zu beiden Enden am Schirmblech (7, 18) abstützen.2. Screen device according to claim 1, characterized in that the spring tongues (10) extend in an arcuate manner, that the shield housing (11) of the mating connector with the spring tongues (10) is contactable in its central region of curvature and that the spring tongues (10) with attached counter ¬ Support the connector at both ends on the shield plate (7, 18).
3. Schirmeinrichtung 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 die Federzungen (10) von einem durchgehenden Verbindungs¬ steg (15) des in sich gekrümmten Kontaktfederstreifens (8, 20) aus durch dünne Querschlitze (9) gebildet sind, daß die Federzungen (10) am anderen Ende gruppenweise durch zumindest einen Quersteg (12) miteinander verbunden sind und daß der Kontaktfederstreifen (8) mit dem Quersteg (12) und dem Verbindungssteg (15) am Schirmblech (7, 18) anliegt. 3. Screen device according to claim 2, characterized in that the spring tongues (10) from a continuous connecting web (15) of the curved contact spring strip (8, 20) are formed by thin transverse slots (9) that the spring tongues (10) are connected in groups at the other end by at least one crossbar (12) and that the contact spring strip (8) with the crossbar (12) and the connecting web (15) abuts the shield plate (7, 18).
4. Schirmeinrichtung nach Anspruch 3 , d a d u r c h g e k e n n z e i c h n e t , daß der durchgehende Verbindungssteg (15) auf der der Leiter¬ platte zugewandten Seite der Federzungen (10) liegt und mit dem Schirmblech (7, 18) insbesondere durch Punktschweißen fest verbunden ist.4. Screen device according to claim 3, so that the continuous connecting web (15) lies on the side of the spring tongues (10) facing the printed circuit board and is firmly connected to the screen plate (7, 18), in particular by spot welding.
5. Schirmeinrichtung nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , daß das längsseitige Schirmblech (7) eine stufenförmige Dop¬ pelbiegung (14) aufweist, die dem Gegenstecker zugewandte Kanten des Kontaktfederstreifens (8) bzw. der Federzungen (10) überdeckt.5. Screen device according to one of the preceding claims, that the longitudinal shield plate (7) has a stepped double bend (14) which covers the mating connector edges of the contact spring strip (8) or the spring tongues (10).
6. Schirmeinrichtung nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , daß der Abstand zwischen den Kontaktstellen der Federzungen (10) und den zugehörigen Seitenwänden (6) des Steckergehäuses (2) geringer ist als die Dicke des Schirmgehäuse (11) des Gegensteckerε.6. Screening device according to one of the preceding claims, that the distance between the contact points of the spring tongues (10) and the associated side walls (6) of the plug housing (2) is less than the thickness of the shield housing (11) of the mating connector.
7. Schirmeinrichtung nach Anspruch 5 oder 6, d a d u r c h g e k e n n z e i c h n e t , daß das längsseitige Schirmblech (7) im Bereich der Doppel- biegung (14) Freimachungen (16) zum Einsetzen eines Eindrück¬ werkzeuges aufweist.7. Screen device according to claim 5 or 6, so that the longitudinal screen plate (7) in the region of the double bend (14) has clearances (16) for inserting a press-in tool.
8. Schirmeinrichtung nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , daß der Steckverbinder (1) auf der äußeren Rückseite der8. Screen device according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t that the connector (1) on the outer rear of the
Rückwandleiterplatte (3) angeordnet ist und daß der Gegen¬ stecker als Kabelstecker eines geschirmten Verbindungskabels ausgebildet ist.Rear wall circuit board (3) is arranged and that the mating connector is designed as a cable connector of a shielded connecting cable.
9. Schirmeinrichtung nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , daß quer zu den sich entlang der Längsseiten des Steckerge¬ häuses (2) erstreckenden Schirmblechen (7) weitere Schirm¬ bleche (17, 18) stirnseitig und zwischen den Stirnseiten an¬ geordnet sind, die ebenfalls mit den Kontaktfederstreifen (19, 20) versehen sind.9. Screen device according to one of the preceding claims, characterized in that transverse to the shield plates (7) extending along the longitudinal sides of the plug housing (2), further shield plates (17, 18) are arranged on the end face and between the end sides, which are likewise provided with the contact spring strips (19, 20) are.
10. Schirmeinrichtung nach Anspruch 9, d a d u r c h g e k e n n z e i c h n e t , daß die querstehenden Schirmbleche (17, 18) an ihren dem Ge- genstecker zugewandten Oberkanten zinnenförmige Freimachungen (23) aufweisen, in die zinnenförmig komplementäre Lappen (24) der Kontaktfederstreifen (22) schräg verlaufend hineinragen und daß die Lappen (24) als Verlängerung der bogenförmigen Krümmung des Kontaktfederstreifens (17, 18) ausgebildet sind.10. A shielding device according to claim 9, characterized in that the transverse shielding plates (17, 18) have crenellated clearances (23) on their upper edges facing the mating connector, into which crenellated complementary tabs (24) of the contact spring strips (22) protrude obliquely and that the tabs (24) are designed as an extension of the arcuate curvature of the contact spring strip (17, 18).
11. Schirmeinrichtung nach Anspruch 10, d a d u r c h g e k e n n z e i c h n e t , daß die Kontaktfederstreifen für die inneren querstehenden Schirmbleche (17) um deren der Leiterplatte zugewandte Unter- kante herumgebogen sind und zu beiden Seiten Ausbauchungen mit Federzungen (10) aufweisen, daß in die zinnenförmigen Freimachungen jeweils 2 Lappen (24) von halber Breite hinein¬ ragen und daß die beiden Lappen (24) abwechselnd dem einen und dem anderen Schenkel des Kontaktfederstreifens (19) zuge- ordnet sind. 11. Screen device according to claim 10, characterized in that the contact spring strips for the inner transverse shield plates (17) are bent around the lower edge thereof facing the printed circuit board and have bulges with spring tongues (10) on both sides that in each case two tabs in the crenellated clearances (24) protrude from half the width and that the two tabs (24) are alternately assigned to one and the other leg of the contact spring strip (19).
EP93922533A 1992-10-29 1993-10-08 Screening device for a back-panel socket Expired - Lifetime EP0667048B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP93922533A EP0667048B1 (en) 1992-10-29 1993-10-08 Screening device for a back-panel socket

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP92118540 1992-10-29
EP92118540 1992-10-29
EP93922533A EP0667048B1 (en) 1992-10-29 1993-10-08 Screening device for a back-panel socket
PCT/EP1993/002761 WO1994010726A1 (en) 1992-10-29 1993-10-08 Screening device for a back-panel socket

Publications (2)

Publication Number Publication Date
EP0667048A1 true EP0667048A1 (en) 1995-08-16
EP0667048B1 EP0667048B1 (en) 1996-07-31

Family

ID=8210190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93922533A Expired - Lifetime EP0667048B1 (en) 1992-10-29 1993-10-08 Screening device for a back-panel socket

Country Status (8)

Country Link
US (1) US5600544A (en)
EP (1) EP0667048B1 (en)
JP (1) JPH08502622A (en)
CN (1) CN1057643C (en)
AT (1) ATE141027T1 (en)
BR (1) BR9307349A (en)
DE (1) DE59303369D1 (en)
WO (1) WO1994010726A1 (en)

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US6276945B1 (en) 1997-07-29 2001-08-21 Hybricon Corporation Connectors having a folded-path geometry for improved crosstalk and signal transmission characteristics
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WO2008065659A2 (en) * 2006-11-29 2008-06-05 Walletex Microelectronics Ltd. Male data communication connector having contacts of different height
JP5318613B2 (en) * 2009-02-26 2013-10-16 富士通コンポーネント株式会社 connector
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Also Published As

Publication number Publication date
EP0667048B1 (en) 1996-07-31
US5600544A (en) 1997-02-04
CN1086635A (en) 1994-05-11
BR9307349A (en) 1999-06-01
CN1057643C (en) 2000-10-18
WO1994010726A1 (en) 1994-05-11
ATE141027T1 (en) 1996-08-15
JPH08502622A (en) 1996-03-19
DE59303369D1 (en) 1996-09-05

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