EP0595296A2 - Dispositif de blindage pour connecteur de câble - Google Patents

Dispositif de blindage pour connecteur de câble Download PDF

Info

Publication number
EP0595296A2
EP0595296A2 EP93117413A EP93117413A EP0595296A2 EP 0595296 A2 EP0595296 A2 EP 0595296A2 EP 93117413 A EP93117413 A EP 93117413A EP 93117413 A EP93117413 A EP 93117413A EP 0595296 A2 EP0595296 A2 EP 0595296A2
Authority
EP
European Patent Office
Prior art keywords
longitudinal
plates
sheets
circuit board
transverse
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
EP93117413A
Other languages
German (de)
English (en)
Other versions
EP0595296A3 (en
EP0595296B1 (fr
Inventor
Jacques Ing. Longueville
Johan Ing. Vanbesien
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
Priority claimed from DE9304928U external-priority patent/DE9304928U1/de
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP93117413A priority Critical patent/EP0595296B1/fr
Publication of EP0595296A2 publication Critical patent/EP0595296A2/fr
Publication of EP0595296A3 publication Critical patent/EP0595296A3/de
Application granted granted Critical
Publication of EP0595296B1 publication Critical patent/EP0595296B1/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
    • 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]
    • H01R13/6581—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
    • H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members

Definitions

  • the invention relates to a shielding device for side-by-side plug-in cable plugs of a shielded transfer system arranged on a backplane, with two parallel longitudinal plates fastened to the circuit board by means of press-in pins.
  • shielded transfer bridges which contain a male connector are used for the signal transfer to accommodate receptacles which can be inserted next to one another and which provide the separable cable connection.
  • a male connector for a shielded transfer system which consists of a trough-like ledge body made of plastic, which is divided by partition walls into individual chambers with pin fields and is provided on its long sides with separate shield plates, which by means of press-fit pins on one PCB are attached.
  • the invention has for its object to improve a shielding device of the type mentioned with the simplest possible structure with regard to its shielding effect and to ensure sufficient mechanical stability that safely absorbs the loads occurring on the cable connectors.
  • Such a shielding device consists of a centering bar for the cable plug, which is formed only by a sheet metal frame.
  • the shielding device thus has a very simple structure and provides a complete all-round shielding of the cable plug by the centering strip surrounding the cable plugs inserted next to one another.
  • the centering strip according to the invention now consists of a stable sheet metal construction which is fastened as a whole with many press-in connections to a backplane circuit board. In addition to the ground connection, these press-in connections ensure a sufficiently strong mechanical anchoring.
  • the centering strip of the shielding device according to the invention is, however, due to its stability achieved by the press-in connections on the one hand and the construction with longitudinal and transverse plates connected to one another in an advantageous manner, able to safely absorb the forces occurring due to transverse loads at the cable outlet of the cable connector.
  • the screen device consists of a rectangular sheet metal frame 1, which is formed by two parallel longitudinal sheets 2 and 3 and a plurality of transverse sheets 4 connecting the longitudinal sheets transversely to one another.
  • the longitudinal and transverse plates 2, 3 and 4 which serve as shielding plates for cable plugs which can be inserted next to one another, form rectangular chambers and are each formed with a plurality of press-in pins 6 on their lower edge facing a printed circuit board 5.
  • the sheet metal frame 1 is thus inserted as a whole into plated-through holes in the printed circuit board 5, which are connected to the ground layers of the printed circuit board. This creates a close shield contact between the longitudinal and transverse sheets and these ground layers.
  • the cross plates are in each case at opposite points as close as possible to the upper edge 8 of the longitudinal plates 2, 3, ie approximately in the upper quarter of the height of the longitudinal plates, and as close as possible to the lower edge of the longitudinal plates, ie approximately in the lower Quarter of the height of the longitudinal plates, with a lateral projection 9 designed as a cam, inserted into a hole 10 in the respective longitudinal plate.
  • the transverse plates 4 are formed with lateral hooks 11 which are angled toward the upper edge 8 of the longitudinal plates 2, 3 and which engage in slots 12 of the longitudinal plates which run perpendicular to the printed circuit board 5.
  • the slots 12 are here arranged in inwardly bent webs 13, which are provided in the upper region of the longitudinal sheets, seen in the longitudinal direction through free cuts 19, alternately with inwardly directed spring arms 14 extending in the insertion direction.
  • a chamber which is formed by two transverse plates 4 adjacent to each other at 1 SU distance, there is an entire web and two half webs 13 in each longitudinal plate, which result in a tight, play-free guidance for the plug-in cable connector, which in the inserted state then can be locked, for example, by two spring arms 14 per longitudinal plate, in that projections 15 engage behind the spring arms on the metal housing 16 of the cable connector, which is rectangular in cross section.
  • a shielding device when attached to the printed circuit board 5, results in a stable centering strip for several cable plugs which can be inserted next to one another.
  • Such a centering bar then forms in the assembled state, i.e. in the state equipped with pin fields and contact pins, a male connector or in the unassembled state together with a separate male connector a transfer bridge for a shielded transfer system arranged on a backplane.
  • transverse load A cable load and a tilting moment onto the centering strip.
  • the effects of the transverse load can be seen in Fig. 2.
  • the transverse load tries to bring about two possible deformations of the screen device, namely a lateral pushing away of the one side sheet, for example the longitudinal sheet 2, and a deformation of the sheet metal frame rectangle to form a parallelogram.
  • the cross plate 4 prevents the deformation and directs the upper transverse force F qu in a transverse or displacement force F1 near the circuit board 5 and thus close to the fastening of the shielding device on the circuit board and in pressure and tensile forces F2 and F3 acting on the press-in connections .
  • a tilting moment M acts on the centering strip, which, for example, presses the left side longitudinal plate 2 in the direction of arrow 17 into the printed circuit board 5 and, if the centering strip is not sufficiently stable, may unlock the cable connector could lead.
  • the tilting moment M presses in the direction of arrow 18 against the cable connector or its metal housing 16 locking, obliquely inwardly directed spring arm 14, whereby a pulling force F3 arises at the press-in connections and a transverse force F4 the longitudinal plate 3 to the side tried to press.
  • the shear force and its effects are absorbed by the connection between the longitudinal and transverse plates provided in this centering bar.
  • the pressing apart of the lateral longitudinal sheets 2, 3 is prevented by the transverse sheets 4 and the interlocking between transverse and longitudinal sheets provided in the webs 13 as close as possible to the upper edge 8 of the longitudinal sheets, which holds the upper edge of the longitudinal sheets.
  • the deformation towards the parallelogram is shown by the two lateral projections 9, which are inserted in the lower region of transverse and longitudinal sheets in the matching holes 10 of the longitudinal sheets, prevented. Together with the upper hooks 11, these projections 9 form a play-free, non-deformable transverse reinforcement.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP93117413A 1992-10-29 1993-10-27 Dispositif de blindage pour connecteur de câble Expired - Lifetime EP0595296B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP93117413A EP0595296B1 (fr) 1992-10-29 1993-10-27 Dispositif de blindage pour connecteur de câble

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP92118540 1992-10-29
EP92118540 1992-10-29
DE9304928U DE9304928U1 (de) 1993-03-31 1993-03-31 Schirmeinrichtung für Kabelstecker
DE9304928U 1993-03-31
EP93117413A EP0595296B1 (fr) 1992-10-29 1993-10-27 Dispositif de blindage pour connecteur de câble

Publications (3)

Publication Number Publication Date
EP0595296A2 true EP0595296A2 (fr) 1994-05-04
EP0595296A3 EP0595296A3 (en) 1995-11-02
EP0595296B1 EP0595296B1 (fr) 1997-09-24

Family

ID=27208569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93117413A Expired - Lifetime EP0595296B1 (fr) 1992-10-29 1993-10-27 Dispositif de blindage pour connecteur de câble

Country Status (1)

Country Link
EP (1) EP0595296B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0836249A1 (fr) * 1996-10-12 1998-04-15 Molex Incorporated Enveloppe électrique de mise à la terre
US9345180B2 (en) 2011-11-25 2016-05-17 Yazaki Corporation Shielding construction and wiring harness

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1938332A1 (de) * 1969-07-28 1971-02-11 Kathrein Werke Kg Hochfrequenzverstaerker in Kammerbauweise
US4571014A (en) * 1984-05-02 1986-02-18 At&T Bell Laboratories High frequency modular connector
US4611867A (en) * 1985-07-08 1986-09-16 Japan Aviation Electronics Industry Limited Coaxial multicore receptacle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1938332A1 (de) * 1969-07-28 1971-02-11 Kathrein Werke Kg Hochfrequenzverstaerker in Kammerbauweise
US4571014A (en) * 1984-05-02 1986-02-18 At&T Bell Laboratories High frequency modular connector
US4611867A (en) * 1985-07-08 1986-09-16 Japan Aviation Electronics Industry Limited Coaxial multicore receptacle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0836249A1 (fr) * 1996-10-12 1998-04-15 Molex Incorporated Enveloppe électrique de mise à la terre
KR100282629B1 (ko) * 1996-10-12 2001-02-15 루이스 에이. 헥트 전기접지시라우드
US9345180B2 (en) 2011-11-25 2016-05-17 Yazaki Corporation Shielding construction and wiring harness

Also Published As

Publication number Publication date
EP0595296A3 (en) 1995-11-02
EP0595296B1 (fr) 1997-09-24

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