EP0288081A2 - Blindage pour connecteurs électriques - Google Patents

Blindage pour connecteurs électriques Download PDF

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Publication number
EP0288081A2
EP0288081A2 EP88106513A EP88106513A EP0288081A2 EP 0288081 A2 EP0288081 A2 EP 0288081A2 EP 88106513 A EP88106513 A EP 88106513A EP 88106513 A EP88106513 A EP 88106513A EP 0288081 A2 EP0288081 A2 EP 0288081A2
Authority
EP
European Patent Office
Prior art keywords
connector
shield
cable
metal hood
insulating material
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Withdrawn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
EP88106513A
Other languages
German (de)
English (en)
Other versions
EP0288081A3 (fr
Inventor
Rolf Heyer
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.)
WL Gore and Associates GmbH
Original Assignee
WL Gore and Associates GmbH
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 WL Gore and Associates GmbH filed Critical WL Gore and Associates GmbH
Publication of EP0288081A2 publication Critical patent/EP0288081A2/fr
Publication of EP0288081A3 publication Critical patent/EP0288081A3/fr
Withdrawn legal-status Critical Current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]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • 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
    • H01R13/6596—Specific features or arrangements of connection of shield to conductive members the conductive member being a metal grounding panel

Definitions

  • the invention relates to a connector shield according to the preamble of claim 1.
  • Such a connector shield is suitable for electrical connectors of any kind, but is particularly intended for connectors, preferably for connectors that are connected directly to connection pins of a printed circuit on a printed circuit board.
  • connectors in general and in particular on connectors are susceptible to interference from outside electromagnetic radiation and, on the other hand, they even allow interference radiation to be emitted. Therefore, such connectors often require shielding against such noise.
  • a connector with a shield in the form of a metal housing forming the outer shell is known.
  • the shield is grounded via metal straps, which are arranged on the mating connector and come into sliding contact with the side walls of the shielding metal housing when the two connectors are plugged together.
  • Such connectors are generally very large and therefore bulky, which has proven to be particularly disadvantageous when small connectors are required, for example connectors that can be connected to printed circuit boards.
  • a connector shield of the type specified at the outset, which has an insulating material coating, is known from US Pat. No. 4,514,029.
  • the connector shield consists of two metal half-shells, which are attached to the connector housing from opposite sides and connected to each other.
  • the connector housing is formed by a plastic block in which the individual connection elements are accommodated and from the connector-side end of which a metallic hood protrudes, which surrounds the contact areas of the connections protruding from the connector housing.
  • the two half-shells of the metallic shield can also be electrically connected to this metallic hood.
  • a plastic sleeve is slid over the metallic shield, which extends beyond the connector-side end of the shielding shells to the metallic hood.
  • This well-known shielded connector is also quite large. This known concept is unsuitable for small connectors, in particular those which are connected directly to a printed circuit board.
  • a connector which has a housing block made of insulating plastic, in which the individual connector connections are accommodated and which has a metallic outer housing.
  • the conductor ends of the cable emerging from the cable end and connected to the connector connections are cast into a casting compound, which in turn is covered by an electrically conductive layer which is connected to the metallic outer housing of the connector housing.
  • This shielded connector is complex to manufacture and is not intended for direct connection to contact pins on a printed circuit board.
  • An electrical connector with connector shielding according to the invention can be produced from a few parts with a very small size. You can provide small connectors, for example with a clamp-cut connection technology, with a metallic hood, press them onto the contact pins of a printed circuit and connect them to an earth line attached to the printed circuit. This can either be done by applying the connection-side end face of the shielding metal hood, which is left free of the insulating material coating, to the earth line of the printed circuit and / or by inserting pin-shaped extensions at the connection-side end of the metal hood into connection holes of the printed circuit and thus connecting it to the earth line.
  • the metal hood according to the invention for. B.
  • cables and connectors are suitable for electrical connectors and in particular for electrical connectors that can be connected to shielded electrical cables.
  • the advantage of the invention is that cables and connectors have an equally good shielding effect with the least possible construction and that there is the possibility of a direct connection between the connector shield and an earth line of the printed circuit.
  • the metallic shielding hood is adapted to the outer shape of a connector.
  • the size of this metal hood can also be adapted to the outer shape of several connectors lying next to one another, so that it can shield several connectors at the same time.
  • the advantage of such a design shows that even very small connectors, eg. B. small connectors, can be shielded well.
  • the metal hood is produced as a deep-drawn part, with either the connector or shielding to be shielded itself serving as a molded part or a deep-drawing mold being used which corresponds to the external shape of the connector or connectors.
  • the metal hood is attached directly to the connector (s) and can be connected to earth contacts in the connector.
  • the grounding of the metallic shielding hood in the connector can also be carried out by several, preferably two, injected metal pins.
  • the metal hood is covered with a plastic jacket. All suitable materials can be used as insulation material. Particularly suitable insulating material coatings are polyamide or polyacetal.
  • a metal hood e.g. made of copper, adapted to the outer shape of a connector 2 and provided with a raised collar 3 on the cable entry side.
  • Fig. 2 which shows a section along the line AB of Fig. 1, shows a metal hood 1 for a connector 2, which is covered with an insulating material 4.
  • the collar 3 and the connection-side end face 5 are not insulated.
  • a flange 6 is attached to the connection-side end of the metal hood 1, which covers the connection-side end of the insulating material coating.
  • the lower surface of the flange 6 is also not insulated and can be applied to a metallized area of a circuit board, producing a high level of radio-frequency tightness.
  • a connector 2 is contacted with a shielded cable 7, the cable shield 8 touching the collar 3 of the metal hood 1.
  • This component of shielded cable and shielded connector is manufactured in such a way that the metal hood 1 is first pushed over the electrical cable 7 and then placed over the connector 2.
  • the shielding of the cable 7 is soldered to the free, non-insulated collar 3 of the metal hood 1.
  • the metal hood 1 can be provided with the insulating material directly after production, on the other hand, it is also possible to spray the insulating material onto the metal hood 1 after it has been pushed onto the plug connector 2 and the connection to the cable shielding 8. It is advantageous to overmold the connector-side cable end together with the metal hood 1 with insulating material.
  • two metallic contact pins 9 are incorporated in the plug connection for grounding the metallic shield. These metallic contact pins 9, like the non-insulated surface of the flange 6 described above, can be connected to a circuit board by insertion.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP88106513A 1987-04-23 1988-04-22 Blindage pour connecteurs électriques Withdrawn EP0288081A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873713639 DE3713639C3 (de) 1987-04-23 1987-04-23 Verbinderabschirmung für elektrische Verbinder
DE3713639 1987-04-23

Publications (2)

Publication Number Publication Date
EP0288081A2 true EP0288081A2 (fr) 1988-10-26
EP0288081A3 EP0288081A3 (fr) 1989-03-15

Family

ID=6326157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88106513A Withdrawn EP0288081A3 (fr) 1987-04-23 1988-04-22 Blindage pour connecteurs électriques

Country Status (2)

Country Link
EP (1) EP0288081A3 (fr)
DE (1) DE3713639C3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96458C (fi) * 1994-09-16 1996-06-25 Nokia Telecommunications Oy Häiriösuojattu kaapeliliitinkotelo

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643201A (en) * 1970-02-09 1972-02-15 Amp Inc Impedance matching microstrip connector
US3744128A (en) * 1971-02-12 1973-07-10 Nasa Process for making r. f. shielded cable connector assemblies and the products formed thereby
EP0093992A1 (fr) * 1982-05-03 1983-11-16 Quintec Interconnect Systems Connecteur blindé et méthode pour son assemblage
GB2140227A (en) * 1983-05-10 1984-11-21 Instr Specialties Co Inc Method and apparatus for shielding electrical connections
FR2561827A1 (fr) * 1984-03-21 1985-09-27 Logistel Fiche de connexions electriques
EP0188876A1 (fr) * 1984-12-21 1986-07-30 Molex Incorporated Agencement d'un connecteur électrique blindé
DE8625668U1 (de) * 1986-09-25 1986-11-20 DSG Schrumpfschlauch GmbH, 5309 Meckenheim Steckverbinderendgehäuse für abgeschirmte elektrische Kabelanschlüsse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2441669C3 (de) * 1974-08-30 1978-05-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zur Schirmung eines mehrpoligen Leitungssteckers
DE3308492C2 (de) * 1983-03-10 1985-08-08 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Mehrpolige Steckverbindung
DE8501658U1 (de) * 1985-01-23 1985-05-02 ODU Kontakt GmbH & Co KG, 8260 Mühldorf Geschirmter Steckverbinder
JPS6389680U (fr) * 1986-11-29 1988-06-10

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643201A (en) * 1970-02-09 1972-02-15 Amp Inc Impedance matching microstrip connector
US3744128A (en) * 1971-02-12 1973-07-10 Nasa Process for making r. f. shielded cable connector assemblies and the products formed thereby
EP0093992A1 (fr) * 1982-05-03 1983-11-16 Quintec Interconnect Systems Connecteur blindé et méthode pour son assemblage
GB2140227A (en) * 1983-05-10 1984-11-21 Instr Specialties Co Inc Method and apparatus for shielding electrical connections
FR2561827A1 (fr) * 1984-03-21 1985-09-27 Logistel Fiche de connexions electriques
EP0188876A1 (fr) * 1984-12-21 1986-07-30 Molex Incorporated Agencement d'un connecteur électrique blindé
DE8625668U1 (de) * 1986-09-25 1986-11-20 DSG Schrumpfschlauch GmbH, 5309 Meckenheim Steckverbinderendgehäuse für abgeschirmte elektrische Kabelanschlüsse

Also Published As

Publication number Publication date
EP0288081A3 (fr) 1989-03-15
DE3713639C3 (de) 1997-04-30
DE3713639A1 (de) 1988-11-03
DE3713639C2 (fr) 1989-12-21

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