EP1202396A1 - Elektromagnetisch abgeschirmter elektrischer Verbinder zur Montage auf gedruckte Schaltungsplatten - Google Patents

Elektromagnetisch abgeschirmter elektrischer Verbinder zur Montage auf gedruckte Schaltungsplatten Download PDF

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Publication number
EP1202396A1
EP1202396A1 EP01402423A EP01402423A EP1202396A1 EP 1202396 A1 EP1202396 A1 EP 1202396A1 EP 01402423 A EP01402423 A EP 01402423A EP 01402423 A EP01402423 A EP 01402423A EP 1202396 A1 EP1202396 A1 EP 1202396A1
Authority
EP
European Patent Office
Prior art keywords
connector
printed circuit
face
plate
protecting
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.)
Withdrawn
Application number
EP01402423A
Other languages
English (en)
French (fr)
Inventor
Christian Ruque
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.)
Alstom SA
Original Assignee
Alstom SA
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 Alstom SA filed Critical Alstom SA
Publication of EP1202396A1 publication Critical patent/EP1202396A1/de
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a device for protecting a connector electrical against electromagnetic interference, the connector comprising a plastic body having a front face intended to cooperate with a removable plug and a side connection side attached to a circuit board printed.
  • the device according to the invention can in particular be used to protect a connector of known type against electromagnetic disturbances, such as DIN F48 or E48 standard connectors commonly used in interconnection printed circuits with control or power cables, for example in an installation of electronic cards carried by a drawer on board a railway vehicle powerplant.
  • a connector of known type against electromagnetic disturbances, such as DIN F48 or E48 standard connectors commonly used in interconnection printed circuits with control or power cables, for example in an installation of electronic cards carried by a drawer on board a railway vehicle powerplant.
  • a disadvantage of the armored plugs is the disappearance magnetic protection when the plug is removed, or in some cases of use, the connection of a plug is only necessary from time to time, in particular for the maintenance or the control of certain electronic cards.
  • a such a solution therefore requires permanently leaving an armored plug connected to the connector if you want the magnetic protection of the card electronics is ensured, which leads to additional equipment costs.
  • the object of the present invention is therefore to remedy the various drawbacks of the prior art mentioned above.
  • the invention relates to a device for protecting a connector electric for printed circuit board against interference electromagnetic, the connector comprising a plastic body having a front face intended to cooperate with a removable plug and a face side of connection attached to the printed circuit board, the connector having a plurality of contacts having a picot-shaped end protruding from the lateral connection face, the pins fitting into the holes of the plate to ensure the electrical connection of the contacts with one or more conductive tracks of the printed circuit, characterized in that it comprises a first shielding element extending opposite the side face of the connector opposite the connection side face and extending opposite the rear face of the connector to come into contact with a ground conductive track of the plate of the printed circuit and a second shielding element attached to the face of the plate of the printed circuit opposite to that in contact with the connector and extending opposite of the connection side face, the second shielding element being in contact with a conductive track connected to the ground track of the printed circuit so as to be electrically connected to the first shielding element and to form a cage potential.
  • FIG. 1 represents a drawer 10, of the type described in the request FR 9910097 of the applicant, supporting several electronic cards 1 in an installation on board a railway vehicle.
  • the drawer 10 has a frame 20 provided with metal walls on which guide rails 21 are fixed allowing the insertion of electronic cards 1 through the front face of the frame 20.
  • Each electronic card 1 has a printed circuit board 2 on the front edge of which is mounted a connector 3 and a front element 4 surrounding the connector 3 to close the front face of the frame 20.
  • the printed circuit boards 2 support electronic components, not shown, and support at their rear end a second connector, not shown, which automatically connects to connection during insertion, at the end of the stroke, of the electronic card in the rails guide 21.
  • the front element 4 comprises fixing screws 41 which ensure the immobilization of the electronic card 1 on the frame 20.
  • the element of front 4 also has a front face provided with studs 42 intended to cooperate with the guide holes of a plug, not shown, to guide the latter when inserted into the connector.
  • the facade element 4 is preferably molded in zamak so as to be electrically conductive, its conductivity being be improved by surface treatment with nickel deposition. In a variant of embodiment, adapted to a mild environment, the facade element 4 may also be molded from plastic and metallized with nickel.
  • the connector 3 comprises a body made of material. plastic according to DIN 41612 / IEC 603-2 type F48, with a front panel provided with three rows of sixteen connection pins 31, parallel between they.
  • the pins 31 are molded in the body of the connector 3 and have a bent rear part, the end of which is in the form of a pin 31a and protrudes on a connection side 3c of connector 3.
  • Connection side 3c has a recess to receive the printed circuit board 2 on the connector 3 without increasing the lateral dimensions.
  • the connector 3 is attached by its connection face 3c to the plate 2 of the circuit printed so that the pins 31a penetrate tinned holes in the circuit printed, slightly protruding on the other side of the printed circuit, and the pins 31 a are welded in order to make electrical contact between pins 31 and tracks conductors of the printed circuit, not shown.
  • the facade element 4 has a U-shaped body which surrounds the three lateral faces of connector 3 which are not in abutment against circuit plate 2 printed, the front face of the facade element 4 being mounted slightly set back from the front edge of connector 3.
  • the wing 6a parallel to the printed circuit extends from the edge front of the front element 4 to the rear edge of the connector 3 and is directly in contact with the facade element 4 so that continuity electric exists between the angle 6 and the facade element 4.
  • the wing 6b extending the along the rear face 3b of the connector 3 is full and the edge of the wing 6b adjacent to plate 2 has pins 61 fitting into tinned holes in plate 2 of printed circuit connected to a conductive ground track.
  • Wing 6a parallel to the circuit printed is substantially full and has elastic tabs 9, advantageously produced by cutting and folding, which extend laterally from the facade element 4 for establishing contact with a shielding element of a card dividing device placed in the drawer 10 as shown in FIG. 4.
  • the face of the printed circuit board opposite to that in contact with connector 3 is covered with a second shielding element 7 consisting of a metal sheet extending opposite the lateral face of connection 3c of connector 3.
  • the metal sheet 7 is in contact with a track conductive, not shown, rising there to the surface of the plate of the integrated circuit, and connected to the ground conductive track to which the pins 61 of the first shielding sheet 6, thus ensuring the conductivity electric between the first shielding element 6 and the second shielding element 7.
  • the metal sheet 7 forming the second shielding element has a shape rear adapted bypassing the output area of the pins 31a of the pins 31 and presents a step following the step formed by the junction of the front edge of plate 2 with connector 3 to cover the front part of the side face of connection 3c of connector 3 up to the height of the front face of the element front 4.
  • the metal shielding sheet 7 is held in abutment against the plate 2 of the printed circuit by means of two fixing screws 11 screwed to the front element 4 and sandwiching the connector 3, the printed circuit board 2 and the sheet metallic 7.
  • the protection device thus produced forms a potential cage surrounding the face the opposite side and the rear side of the connector, thus protecting the electronic components carried by the printed circuit board against electromagnetic interference through the front of the connector.
  • the front element surrounding the front face of the connector itself being made of material conductive and electrically connected to the shielding elements of the connector, all the electronic cards placed side by side form a barrier potential limiting the entry of electromagnetic disturbance from the front of the drawer, thus protecting all the electromagnetic components carried by the e-cards.
  • FIGS. 1 to 4 show an alternative embodiment of the protection device of the electrical connector described in FIGS. 1 to 4, in which the first element of shielding and the conductive ground track of the printed circuit are made differently, the other elements remaining identical to what has been described previously.
  • the central part 4a of the shaped body of U of the facade element 4 identical to that of FIGS. 1 to 4, supports a substantially full shielding metal sheet 8 extending opposite the face lateral 3a of the connector 3 opposite the lateral connection face 3c.
  • Leaf metal 8 has a curved end conforming to the rear edge of the element facade 4 and having legs 8a bearing on the upper row of pins 31 of connector 3, the furthest from plate 2 of the printed circuit.
  • This top row of connector pins 31 extends parallel to plate 2 from the front of connector 3 to near the rear of the connector 3 then extends perpendicular to the plate 2 of the printed circuit level of the rear face of the connector 3 so that the ends of the pins 31 in the shape of a pin 31a penetrate into tinned holes in plate 2 and come into contact with a ground conductor track of the printed circuit.
  • the metal sheet 8 of shielding also includes elastic tabs 9 projecting laterally from the facade element 4 to establish contact with a shielding element of a dividing card arranged in the drawer 10 as well as that is shown in Figure 6.
  • the printed circuit board supports a second shielding element 7, identical to that described in FIGS. 1 to 4, arranged in contact with a conductive track connected to the conductive ground track to which the pins 31 a for terminating the upper row of pins 31.
  • the upper row of pins is used to make the first shielding element, in association with the metal foil supported by the upper part of the facade element.
  • the shielding of the face rear of the connector is then produced by the trellis formed by the succession of pins extending perpendicular to the printed circuit board and connected to the ground circuit.
  • Such an alternative embodiment is feasible when it is possible to release the upper row of pins for shielding, i.e. when the number of pins required to transmit information across the connector is much less than the number of pins available on the connector.
  • Such a variant has the advantage of being simple to implement by requiring few holes and conductive tracks on the printed circuit board.
  • Figures 7 to 10 show a second embodiment of the device protection according to the invention in which the connector 3 used on the front face of the electronic card 1 complies with DIN E 48 standard.
  • connector 3 of DIN E 48 standard has a material body plastic with a front face provided with three rows of sixteen pins 31 parallel to each other, only the spacing of the pins 31 between them being greater than that of the connectors of DIN F 48.
  • the connector 3 is attached by its lateral face 3c for connection to the plate 2 of printed circuit board and the pins 31a for terminating the pins 31 penetrate into tinned holes, not shown, and are soldered to provide electrical contact between pins 31a and conductive tracks, not shown, of plate 2 of the circuit printed.
  • a facade element 4 having a substantially rectangular body is attached around the electronic card 1 consisting of the connector 3 and the plate 2 of the printed circuit board.
  • the body of the facade element 4 has an adjusted opening allowing the installation of the front element 4 on the connector assembly 3 and plate 2 so that the front face of the facade element 4 is substantially in line with the front edge of the connector.
  • the facade element 4 is produced by molding in electrically conductive material, such as zamac, and comprises a front face having two studs 42 intended to cooperate with the orifices of guiding a plug, not shown, to guide it when it is inserted in the connector 3.
  • the front face of the facade element 4 also includes two fixing screws 41 ensuring the immobilization of the electronic card 1 on the frame 20, and comprises in the extension of the plate 2 of the printed circuit, a border guide 43 projecting forward.
  • the body of the facade element 4 has an upper wall 4a, adjacent to the lateral face 3a of connector 3, and extending parallel to plate 2 of the circuit printed to form, with a metal angle 12 attached against the wall upper 4a, a first shielding element.
  • the angle 12 has a wing solid 12a extending parallel to plate 2 of the printed circuit on the part rear of the facade element while being held in contact with the underside of the upper wall 4a by two screws so that electrical continuity exists between the angle 12 and the facade element 4.
  • the angle 12 also has a full wing 12b extending along the rear face 3b of the connector 3, perpendicularly and as close as possible to plate 2 of the printed circuit, and having an edge adjacent to the plate 2 of the printed circuit provided with pins 12c inserting the tinned holes of plate 2 connected to a ground conductor track.
  • the body of the facade element 4 has a lower wall 4b which is in contact with the plate 2 of the printed circuit and extends in look at the connection side 3c of connector 3 to form a second shielding element.
  • This lower wall 4b adjacent to the plate 2 of the circuit printed, has a suitable rear shape bypassing the outlet area of the pins 31a of pins 31 and covering the front part of the printed circuit board 2 in coming into contact with a conductive track, not shown, rising to the surface of the printed circuit board 2 connected to the ground conductive track to which are connected the pins 12c of the shielding sheet 12.
  • the printed circuit board 2 is held in contact with the bottom wall 4b at by means of two fixing screws 11 screwed onto connector 3 while sandwiching plate 2 of the printed circuit.
  • the lower wall 4b has on its outer face a groove into which a metal strip fitted with tongues is introduced elastics 19 projecting laterally from the lateral face of the facade element 4 for establish contact with a shielding element of a terraced card as well as this is shown in Figure 10.
  • Such an embodiment allows with a limited lateral space requirement the assembly formed by the facade element assembled on the electronic card, provide excellent protection for electronic components carried by the plate of integrated circuit against electromagnetic disturbances crossing the front face of the connector.
  • Figures 11 to 12 show an alternative embodiment of the second embodiment realization of the protection device described in FIGS. 7 to 10, in which the first shielding element and the ground conductive track of the printed circuit are produced differently, the other elements remaining identical to those described in FIGS. 7 to 10.
  • the body of the facade element 4 identical to that described in the second embodiment, has a wall upper 4a constituting, with a solid metal sheet 13 attached against the upper wall 4a, a first shielding element.
  • the metal sheet 13 extends parallel to plate 2 of the printed circuit on the rear part of the element facade 4 and has a curved end having tabs 13a coming in press against the upper row of pins 31 of connector 3, the furthest from plate 2 of the printed circuit.
  • the upper row of pins 31 extends parallel to the plate from the front of connector 3 to near the rear face of the connector 3 then extends perpendicular to the plate 2 of the printed circuit at the rear side of the connector 3 so that the ends of pins 31 in the shape of a pin 31a penetrate tinned holes of the plate 2 integrated circuit and are in contact with a conductive ground track of the printed circuit board.
  • the metal sheet 13 is held in contact with the underside of the wall upper 4a by two screws so that electrical continuity exists between the metal sheet 13 and the facade element 4 made of electrically material driver.
  • the second shielding element 4b of this alternative embodiment is at all points identical to that described in FIGS. 7 to 10, and is in contact with a conductive track of the plate 2 of the printed circuit which is connected to the ground conductive track of the circuit to which the termination pins 31a of the upper row of pins are connected 31.
  • Such an alternative embodiment allows, similarly to the alternative realization of figures 5 and 6, to use the upper row of pins, to realize in association with the metal sheet supported by the upper part of the facade element, the first shielding element of the connector.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)
EP01402423A 2000-10-23 2001-09-21 Elektromagnetisch abgeschirmter elektrischer Verbinder zur Montage auf gedruckte Schaltungsplatten Withdrawn EP1202396A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0013561A FR2815778B1 (fr) 2000-10-23 2000-10-23 Dispositif de protection d'un connecteur electrique pour plaque de circuit imprime contre les perturbations electromagnetiques
FR0013561 2000-10-23

Publications (1)

Publication Number Publication Date
EP1202396A1 true EP1202396A1 (de) 2002-05-02

Family

ID=8855635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01402423A Withdrawn EP1202396A1 (de) 2000-10-23 2001-09-21 Elektromagnetisch abgeschirmter elektrischer Verbinder zur Montage auf gedruckte Schaltungsplatten

Country Status (12)

Country Link
US (1) US6551138B2 (de)
EP (1) EP1202396A1 (de)
JP (1) JP2002184530A (de)
CN (1) CN1198368C (de)
AU (1) AU771732B2 (de)
BR (1) BR0104628A (de)
CA (1) CA2359421A1 (de)
FR (1) FR2815778B1 (de)
HK (1) HK1045607B (de)
MX (1) MXPA01010683A (de)
RU (1) RU2279771C2 (de)
TW (1) TWI243517B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6814607B1 (en) * 2003-11-12 2004-11-09 Lucent Technologies Inc. Apparatus and method for guiding and aligning circuit board assemblies to a backplane
DE102004013874A1 (de) * 2004-03-20 2005-10-06 Intergraph (Deutschland) Gmbh Vorrichtung zur Erzeugung einer elektro-magnetisch abgeschirmten Verbindung
JP2008176567A (ja) * 2007-01-18 2008-07-31 Fujitsu Ltd プリント基板組立体、情報技術装置用筐体及び情報技術装置
US7416452B1 (en) * 2007-03-15 2008-08-26 Hon Hai Precision Ind. Co., Ltd. Electrical connector
TWI418294B (zh) * 2008-04-03 2013-12-01 Asustek Comp Inc 防電磁干擾結構的電路板
US8007318B1 (en) * 2010-03-22 2011-08-30 Tyco Electronics Corporation Shielded integrated connector module
FR3015690B1 (fr) * 2013-12-19 2016-01-29 Valeo Securite Habitacle Capteur de presence pour ouvrant de vehicule automobile
EP3181405B1 (de) * 2014-08-12 2018-09-05 Nissan Motor Co., Ltd Struktur zur blockierung elektromagnetischer wellen in einem fahrzeugkonsolenkasten
CN107039796A (zh) * 2016-12-09 2017-08-11 上海航空电器有限公司 一种配电装置上的90°焊脚矩形连接器安装结构
GB2563395B (en) * 2017-06-12 2020-06-17 Ge Aviat Systems Ltd Power distribution rack assembly
JP6830501B2 (ja) * 2019-02-01 2021-02-17 ジャパンエレベーターサービスホールディングス株式会社 エレベーター
CN113193406B (zh) * 2021-04-28 2023-03-21 四川华丰科技股份有限公司 一种连接器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0422785A2 (de) * 1989-10-10 1991-04-17 The Whitaker Corporation Rückwandsteckverbinder mit angepasster Impedanz
US5316501A (en) * 1990-11-06 1994-05-31 Siemens Aktiengesellschaft Shielded multipolar connector
EP0891017A1 (de) * 1997-07-08 1999-01-13 Framatome Connectors International Verbinder für Leiterplatten
US5967806A (en) * 1996-08-30 1999-10-19 The Whitaker Corporation Electrical connector arrangement

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US5141445A (en) * 1991-04-30 1992-08-25 Thomas & Betts Corporation Surface mounted electrical connector
FR2685554B1 (fr) * 1991-12-23 1994-03-25 Souriau & Cie Element modulaire de connexion electrique.
US5295867A (en) * 1992-12-23 1994-03-22 Itt Corporation Edge connector shield
DE9311782U1 (de) * 1993-08-06 1993-09-23 Siemens AG, 80333 München Leiterplatten-steckverbinder mit zwei an zueinander senkrechten leiterplatten angeordneten geschirmten kontaktleisten
DE4341104C1 (de) * 1993-12-02 1995-01-12 Harting Elektronik Gmbh Abgeschirmte Leiterplattensteckverbindung
US6019616A (en) * 1996-03-01 2000-02-01 Molex Incorporated Electrical connector with enhanced grounding characteristics
US6008995A (en) * 1997-08-19 1999-12-28 Ascend Communications, Inc. Card cage accommodating PC cards of different size
DE19840413C1 (de) * 1998-09-04 2000-02-03 Harting Kgaa Abgeschirmter elektrischer Steckverbinder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0422785A2 (de) * 1989-10-10 1991-04-17 The Whitaker Corporation Rückwandsteckverbinder mit angepasster Impedanz
US5316501A (en) * 1990-11-06 1994-05-31 Siemens Aktiengesellschaft Shielded multipolar connector
US5967806A (en) * 1996-08-30 1999-10-19 The Whitaker Corporation Electrical connector arrangement
EP0891017A1 (de) * 1997-07-08 1999-01-13 Framatome Connectors International Verbinder für Leiterplatten

Also Published As

Publication number Publication date
FR2815778A1 (fr) 2002-04-26
MXPA01010683A (es) 2003-05-19
HK1045607B (zh) 2005-07-29
BR0104628A (pt) 2002-05-28
FR2815778B1 (fr) 2002-12-06
CN1198368C (zh) 2005-04-20
TWI243517B (en) 2005-11-11
AU771732B2 (en) 2004-04-01
RU2279771C2 (ru) 2006-07-10
US20020052144A1 (en) 2002-05-02
CN1350351A (zh) 2002-05-22
CA2359421A1 (fr) 2002-04-23
JP2002184530A (ja) 2002-06-28
US6551138B2 (en) 2003-04-22
HK1045607A1 (en) 2002-11-29
AU8144901A (en) 2002-05-02

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