EP0340570B1 - Dispositif pour blinder des ensembles avec connecteurs enfichables multipolaires - Google Patents

Dispositif pour blinder des ensembles avec connecteurs enfichables multipolaires Download PDF

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Publication number
EP0340570B1
EP0340570B1 EP89107268A EP89107268A EP0340570B1 EP 0340570 B1 EP0340570 B1 EP 0340570B1 EP 89107268 A EP89107268 A EP 89107268A EP 89107268 A EP89107268 A EP 89107268A EP 0340570 B1 EP0340570 B1 EP 0340570B1
Authority
EP
European Patent Office
Prior art keywords
screening
assembly
shielding
metallic
elements
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
EP89107268A
Other languages
German (de)
English (en)
Other versions
EP0340570A3 (en
EP0340570A2 (fr
Inventor
Karl Dipl.-Ing. Zell (Fh)
Leo Dipl.-Ing. Pelzl
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
Publication of EP0340570A2 publication Critical patent/EP0340570A2/fr
Publication of EP0340570A3 publication Critical patent/EP0340570A3/de
Application granted granted Critical
Publication of EP0340570B1 publication Critical patent/EP0340570B1/fr
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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/725—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members presenting a contact carrying strip, e.g. edge-like strip
    • 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]

Definitions

  • the invention relates to a device for shielding modules with multi-pin plugs, the plugs of which are almost completely shielding shielding caps provided with spring elements which, when plugged in, rest against contact elements standing vertically on a wiring plate and connected to the ground potential layer of the same.
  • the object of the invention is to design and add to the above-described device for connecting shield caps of multi-pin plugs to the ground potential layer of a wiring board in such a way that complete shielding of the assembly is as simple as possible.
  • the solution to the problem results from the characterizing features of claim 1.
  • the basic idea of the invention is to be seen in the arrangement of the connecting elements directly on the shielding caps of the connectors and / or on the metallic shielding surfaces of the assembly, which results in short electrical connections via the shielding caps Plug to the earth potential layer of the wiring plate can be realized and the shielding effect of the shielding surfaces of the module is improved.
  • stiffening plates as described in German patent application P 34 32 367.8, can be provided with a suitable module spacing - see claim 2.
  • the metallic connecting elements are arranged on the shielding caps and / or on the metallic shielding surfaces of the assembly.
  • this applies to every connection type - e.g. B. spring elements can either be arranged on the shielding cap or on the shielding surfaces - however, by selecting the arrangement of the connecting elements, the shielding device that is already included in the basic equipment of the respective device can be used in the sense of the lowest possible advance payment for a possible complete shielding of the assembly be designed with as few or in the best case without connecting elements.
  • the metallic connecting elements are advantageously designed in the sense of a mechanically detachable connection - see claim 4 - and the shielding areas of the modules are divided into partial shielding areas, the partial shielding areas are each equipped with coordinated metallic connecting elements in such a way that all partial shielding surfaces of the assembly are galvanically connected to one another - see claim 7. Because of the simple mechanical detachability of spring elements, these can be used particularly advantageously as connecting elements - see claim 5.
  • the outer shielding surfaces of the shielding caps of the connectors and the shielding surfaces of the modules for the bottom and top of the module must be realized in one piece - see claim 6. This is the most economical solution , however, the module may need to be serviced and checked without screening - at least on one side.
  • the shielding caps of the plug or the metallic shielding surfaces of the assemblies are equipped with at least one metallic connecting element such that a shielding surface arranged in an assembly board of the assembly is galvanically connected to the shielding cap or the metallic shielding surfaces of the assembly is.
  • a shielding surface arranged in the module board is connected directly to the ground potential layer of the wiring board via the shielding elements - shielding surface of the module and shielding caps. This makes sense if, for example, a shielding surface arranged as the last wiring layer is applied directly to the wiring side of the assembly and additional shielding surfaces on this assembly side outside the assembly can therefore be dispensed with.
  • the connecting elements of the shielding surfaces in the assembly to the shielding surfaces of the assembly can advantageously be implemented as solder or spring elements. Accordingly, the module board or shielding surface must have solder contacts or contact surfaces or have contact springs for supporting or receiving the spring elements - see claim 9.
  • the embodiment according to FIG. 1 shows a wiring board 1 with a plurality of contact blades 2, 3 standing vertically on it. On correspondingly arranged contact blades 2 there are multipole module connectors 4 on the assembly side 4. Between the areas of contact blades 2 for the assembly connectors 4 which extend at a suitable distance those contact blades 3 are arranged which are electrically connected to an earth potential layer present on the wiring board 1. Centering strips 5 are inserted between the wiring board 1 and the module connectors 4 and serve to accommodate the module connectors 4. The centering strips 5 are provided with openings for the contact knife 2. The contact blades connected to the ground potential layer of the wiring board 1 partially engage in corresponding cutouts on the longitudinal inner sides of the centering strips 5.
  • Those areas of the contact blades 3 which emerge from the inner surfaces of the centering strip 5 which extend parallel to the plugging direction represent the contact surfaces for the electrical connection to shielding caps 6 of the module connectors 4.
  • the edges of the shielding caps 6 pointing in the direction of the wiring plate 1 are spring elements 7 educated. These arranged on the outer sides of the shielding caps 6 spring elements 7 are curved approximately semicircularly outwards and are pressed against the contact blades 3, whereby the shielding caps 6 of the module plug 4 are electrically connected to the ground potential layer of the wiring board 1 in the shortest possible way.
  • the shielding cap 6 surrounds the module connector 4 in such a way that it lies flush against the outer surfaces of the module connector 4 pointing in the direction of insertion.
  • the module connectors 4 are each applied to a module board 8 by soldering or press connections.
  • electrical components are arranged in each case within the space determined by dash-dotted lines.
  • spring elements 10 are arranged, each of which can accommodate metal shielding surfaces 11 extending parallel to the top and underside of the assembly board, for example in the form of shielding sheets.
  • the spring elements 10 are formed, for example, by two spring strips which are arranged in mirror image to one another and are first formed semi-circularly outwards and subsequently semi-circularly inwards.
  • a large number of configurations of the spring elements 10, such as, for example, a single spring element which is shaped as explained and which extends over the entire assembly, in the sense of accommodating the shielding plates 11 can be implemented.
  • the shielding plates 11 are attached to the assembly partly via the spring elements 10 and partly via further mechanically - since not directly part of the invention not shown - releasable holding elements - e.g. B. again realized by spring elements.
  • FIG. 2 also shows a wiring board 1 with a plurality of contact blades 2, 3 standing vertically on it - see FIG. 1.
  • Multi-pin connector plugs 4 are placed on correspondingly arranged contact blades 2 on the assembly side.
  • Centering strips are located between the assembly connectors 4 and the wiring board 1 20 arranged, which serve to accommodate the module connector 4.
  • the centering strips 20 are provided with openings for the contact knife 2.
  • the edges of the shielding cap 21 pointing in the direction of the wiring board 1 are spring elements 22 formed, which are arranged approximately semicircularly curved inwards so that they rest resiliently on the contact blades 3.
  • the shielding caps 21 encase the module connector 4, including the centering strip 20, almost completely.
  • the module connectors 4 are in turn applied to a module board 8 by means of a solder or press connection. Electrical components are in turn arranged on the module board 8 within the space 9 defined by dash-dotted lines.
  • the assembly board 8 is almost completely surrounded on the component side by shielding surfaces 23, for example realized by shielding plates. In terms of a modular structure of the shielding surface 23, it is divided into, for example, two partial shielding surfaces 23a, 23b.
  • the first partial shielding surface 23a following the shielding cap 21 has spring elements 24 on the edge facing the shielding cap 21.
  • spring elements 24 are arranged on the edge of the first partial shielding surface 23a in such a way that in the assembled state of the first partial shielding surface 23a they resiliently rest on the outer surface of the shielding cap 21 facing away from the wiring plate 1.
  • spring elements 24 there are also a variety of possible implementations.
  • the first partial shielding surface 23a extends approximately to half of the assembly board 8.
  • the first partial shielding surface 23a is bent in the direction of the assembly board 8.
  • the resultant region 25 of the first partial shielding surface 23a which extends approximately perpendicular to the assembly board 5, does not have to be designed as a continuous shielding surface, since shielding of the components from one another within the assembly is not always necessary. It is therefore sufficient to lead this area 25 partially to the wiring board 8.
  • the end of the region 25 facing the assembly board 8 can be connected, for example, to the assembly board 8 via holding elements or, as shown in FIG. 2, by means of a solder connection 29 to an earth potential layer 26 arranged in the assembly board 8. This ground potential layer 26 is applied, for example, as the top layer on the wiring side of the assembly board 8. Shielding of the wiring side of the module is achieved in this way.
  • a second partial shielding surface 23b adjoins the first partial shielding surface 23a, which almost completely surrounds the remaining component region 9 of the assembly board 8.
  • This second partial shielding surface 23b is connected to the first partial shielding surface 23a via further spring elements 27.
  • These further spring elements 27 are arranged on the edge of the first partial shielding surface 23a facing away from the module connector 4 in such a way that the second partial shielding surface 23b can be inserted into these springs.
  • These spring elements 27 are shaped, for example, according to the spring elements 10 according to FIG. 1 and, in addition to the galvanic connection of the two partial shielding surfaces 23a, 23b, also serve to hold the second partial shielding surface 23b on one side.
  • this is angled in the edge region of the assembly board 8 in such a way that the angled regions 28 extend approximately perpendicular to the module board 8.
  • the galvanic connection and the holding of these areas is achieved, for example, by correspondingly arranged spring elements or, as shown in FIG. 2, by a solder connection 29 - analogous to area 25 of the first partial shielding area 23a - with the earth potential layer 26 in the assembly board 8.

Landscapes

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

Claims (9)

  1. Dispositif de blindage de modules (8) comportant des connecteurs multipolaires (4) et dont les connecteurs (4) sont équipés de capots de protection (6, 21), qui réalisent une protection approximativement complète et comportent des éléments de ressort (7, 22), qui, lorsque les connecteurs (4) sont à l'état enfiché, s'appliquent contre des éléments de contact (3), qui sont perpendiculaires à une plaque de connexion (1) et sont reliés à la couche au potentiel de terre de cette plaque,
    caractérisé par le fait
    qu'il est prévu des surfaces métalliques de blindage (11, 23), qui entourent au moins partiellement les modules à l'extérieur de la zone des connecteurs et qui sont reliées galvaniquement par des éléments de liaison métalliques (10, 24) aux capots de protection (6, 21), sur les bords, tournés vers le côté des modules, de la surface extérieure des capots de protection (6, 21).
  2. Dispositif suivant la revendication 1, caractérisé par le fait que les éléments de contact sont réalisés sous la forme de couteaux de contact (2, 3) ou de tôles de rigidification.
  3. Dispositif suivant l'une des revendications précédentes, caractérisé par le fait que les éléments de liaison métalliques (10, 24) sont disposés sur les capots de protection (6, 21) et/ou sur les surfaces métalliques de blindage (11, 23).
  4. Dispositif suivant l'une des revendications précédentes, caractérisé par le fait que les éléments de liaison métalliques (10, 24) sont réalisés de manière à être amovibles mécaniquement.
  5. Dispositif suivant la revendication 4, caractérisé par le fait que les éléments de liaison métalliques (10, 24) sont constitués par des éléments de ressorts (10, 24) qui s'appliquent élastiquement contre les surfaces métalliques de blindage (11, 23) des modules ou contre les capots de protection (6, 21).
  6. Dispositif suivant la revendication 1 ou 2, caractérisé par le fait que les surfaces extérieures de blindage des capots de blindage (6, 21) du connecteur (4) et les surfaces métalliques de blindage (11, 23) du module sont réalisées respectivement d'un seul tenant pour le côté des composants ou le côté du câblage.
  7. Dispositif suivant la revendication 1 ou 2, caractérisé par le fait que les surfaces de blindage (11, 23) du module sont subdivisées dans le sens d'une extension modulaire, en surfaces partielles de blindage (23a, 23b), et que les surfaces partielles de blindage (23a, 23b) sont équipées respectivement d'éléments de liaison métalliques (27) accordés les uns sur les autres de telle sorte que toutes les surfaces partielles de blindage (23a, 23b) des modules sont reliées entre elles galvaniquement.
  8. Dispositif suivant l'une des revendications précédentes, caractérisé par le fait que les capots de blindage (6, 21) du connecteur (4) ou les surfaces métalliques de blindage (11, 23) des modules sont équipés d'au moins un élément de liaison métallique (29) de telle sorte qu'une surface de blindage (26) disposée dans une platine (8) des modules est reliée galvaniquement au capot de blindage (6, 21) ou aux surfaces métalliques de blindage (11, 23) des modules.
  9. Dispositif suivant la revendication 8, caractérisé par le fait que l'élément de liaison métallique (29) est formé par des éléments de ressorts disposés sur la surface de blindage (11, 23) de la platine (8) du module ou du module ou bien au moyen d'éléments de brasage (29).
EP89107268A 1988-05-04 1989-04-21 Dispositif pour blinder des ensembles avec connecteurs enfichables multipolaires Expired - Lifetime EP0340570B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3815189 1988-05-04
DE3815189 1988-05-04

Publications (3)

Publication Number Publication Date
EP0340570A2 EP0340570A2 (fr) 1989-11-08
EP0340570A3 EP0340570A3 (en) 1990-11-14
EP0340570B1 true EP0340570B1 (fr) 1994-03-16

Family

ID=6353617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89107268A Expired - Lifetime EP0340570B1 (fr) 1988-05-04 1989-04-21 Dispositif pour blinder des ensembles avec connecteurs enfichables multipolaires

Country Status (4)

Country Link
US (1) US4972297A (fr)
EP (1) EP0340570B1 (fr)
JP (1) JPH06103799B2 (fr)
DE (1) DE58907199D1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634341B1 (fr) * 1988-07-13 1990-09-14 Bull Sa Systeme de connexion electrique d'un ordinateur
EP0412331B1 (fr) * 1989-08-10 1994-09-21 Siemens Aktiengesellschaft Assemblage pour connecter électriquement des éléments de blindage de connecteurs multipolaires avec la couche de terre d'un panneau de câblage
US5035631A (en) * 1990-06-01 1991-07-30 Burndy Corporation Ground shielded bi-level card edge connector
DE9015255U1 (de) * 1990-11-06 1991-02-14 Siemens AG, 80333 München Vielpoliger geschirmter Steckverbinder
US5307012A (en) * 1991-12-03 1994-04-26 Intel Corporation Test substation for testing semi-conductor packages

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0203404A2 (fr) * 1985-05-31 1986-12-03 Siemens Aktiengesellschaft Moyen de raccordement des capots de blindage de connecteurs enfichables multipolaires à la couche de mise à la terre d'une plaque à circuits

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3228398C2 (de) * 1982-07-29 1986-06-05 Siemens AG, 1000 Berlin und 8000 München HF-dichte Steckbaugruppe
FR2559336B1 (fr) * 1984-02-08 1986-06-27 Telemecanique Electrique Structure alveolaire porte-cartes electroniques
AR242331A1 (es) * 1984-09-03 1993-03-31 Siemens Ag Bastidor para alojar grupos modulares electricos insertables.
US4631641A (en) * 1985-07-18 1986-12-23 Northern Telecom Limited Electronic apparatus with electro-magnetic interference screening
US4754101A (en) * 1986-10-23 1988-06-28 Instrument Specialties Co., Inc. Electromagnetic shield for printed circuit board

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0203404A2 (fr) * 1985-05-31 1986-12-03 Siemens Aktiengesellschaft Moyen de raccordement des capots de blindage de connecteurs enfichables multipolaires à la couche de mise à la terre d'une plaque à circuits

Also Published As

Publication number Publication date
DE58907199D1 (de) 1994-04-21
JPH06103799B2 (ja) 1994-12-14
EP0340570A3 (en) 1990-11-14
JPH01318296A (ja) 1989-12-22
US4972297A (en) 1990-11-20
EP0340570A2 (fr) 1989-11-08

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