EP0450996A1 - Anordnung zum Fixieren eines Koaxialkabels und zum Verbinden mit der Masse einer gedruckten Leiterplatte - Google Patents

Anordnung zum Fixieren eines Koaxialkabels und zum Verbinden mit der Masse einer gedruckten Leiterplatte Download PDF

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Publication number
EP0450996A1
EP0450996A1 EP91400504A EP91400504A EP0450996A1 EP 0450996 A1 EP0450996 A1 EP 0450996A1 EP 91400504 A EP91400504 A EP 91400504A EP 91400504 A EP91400504 A EP 91400504A EP 0450996 A1 EP0450996 A1 EP 0450996A1
Authority
EP
European Patent Office
Prior art keywords
cable
printed circuit
stirrup
cradle
circuit board
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
EP91400504A
Other languages
English (en)
French (fr)
Other versions
EP0450996B1 (de
Inventor
Yannick Reze
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.)
Alcatel CIT SA
Original Assignee
Alcatel Mobile Communication France SA
Alcatel Radiotelephone 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 Alcatel Mobile Communication France SA, Alcatel Radiotelephone SA filed Critical Alcatel Mobile Communication France SA
Publication of EP0450996A1 publication Critical patent/EP0450996A1/de
Application granted granted Critical
Publication of EP0450996B1 publication Critical patent/EP0450996B1/de
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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0515—Connection to a rigid planar substrate, e.g. printed circuit board

Definitions

  • the invention relates to a device for fixing a coaxial cable, and connecting it to the ground of a printed circuit board, this coaxial cable comprising a shielding braid, covered with an insulating sheath, and which must be connected to a potential. of reference to obtain a shielding effect.
  • the shielding effect at high frequencies is better if the braid is connected, to ground, at several points.
  • a coaxial cable is fixed to a printed circuit board by a plastic collar fixed to a hole in the printed circuit board; or by a stirrup of tinned copper wire which crosses the plate by two holes and which is soldered on two pads of the printed circuit, surrounding these holes.
  • These known devices do not make an electrical connection between the mass of the printed circuit and the braid of the coaxial cable, which is covered by an insulating sheath.
  • the object of the invention is to propose a device which makes it possible not only to fix a coaxial cable, but which also makes it possible to connect it to the ground of the printed circuit, without preparation of the coaxial cable, that is to say without have to strip it of the insulating sheath.
  • the device thus characterized makes it possible to securely fix a coaxial cable, since the stirrup is soldered on pads of the printed circuit, and makes it possible to connect the shielding braid of the cable to ground without having to strip it, because the stirrup constitutes in at the same time an insulation displacement contact.
  • the cradle comprises: means for guiding the stirrup during its insertion; a recess for containing and retaining the cable; and a cylindrical pin which fits into a hole in the printed circuit board.
  • the device thus characterized is very easy to assemble since it allows the assembly to be broken down into two stages. A first step is to precisely position the cradle, by fitting the pin into a hole in the plate, and to temporarily fix the cable by placing it in the hollow of the cradle. A second step is to place the stirrup precisely, thanks to the presence of the cradle which guides it, then to crimp the stirrup and to weld it.
  • the stirrup has two forks located on either side of the cradle and overlapping the cable.
  • the device thus characterized provides a very reliable connection between the shielding braid and the ground, since there are two forks ensuring two insulation displacement contacts.
  • the two forks being located on either side of the cradle, they hold it securely and avoid any possibility of leaving the cradle.
  • the stirrup consists of a single sheet cut into an H shape, comprising four branches and a central plate, folded back so that the four branches are orthogonal to the central plate and are of a same side with respect to this plate, to form the two forks.
  • the device thus characterized is particularly simple and economical to produce.
  • the four tabs 21 of the stirrup 1 are inserted into the holes 6 of the printed circuit board 4 and they are welded to pads 22 of the printed circuit, on the face of the plate 4 opposite to that where the device is located. fixation.
  • the pads 22 are connected, by connections not shown, to the ground of the printed circuit. Naturally, in cases where the aim is only to fix the coaxial cable, it is possible to provide pads 22 isolated from the mass of the printed circuit.
  • FIG. 2 shows a front view of the cradle 3 and shows more completely the cylindrical pin 14 and the shape of the hollow 13.
  • the cable is shown in dotted lines. It is held in the hollow 13 by two bosses, 11 and 12, having a cylindrical shape and which constitute two brakes located respectively on the two walls of the recess 13, to retain the cable 2 in the recess 13, pending its final fixing by the caliper 1.
  • the cable has been put in place in the recess 13, it does not exceed pitch of the hollow 13, and it is retained by the central plate 16 of the stirrup 1.
  • the cradle 3 has two flat faces, such as the face 15, which are parallel to each other and which are separated by a thickness equal to the distance between the branches 19, 20, on the one hand, and the branches 9, 10, on the other hand; so that these faces precisely guide the insertion of the stirrup 1 into the holes 6.
  • the stirrup 1 is further guided by the cable 2 which is in place in the cradle 3. The mounting of the stirrup 1 is therefore achievable without fumbling.
  • FIG. 3 represents a front view of the stirrup 1, showing the details of embodiment of the fork made up of the branches 19 and 20; and showing, in dotted lines, the position of the cable 2 when the stirrup 1 has been crimped onto it.
  • the branches 19 and 20 delimit a groove in the form of a funnel, comprising: a mouth 18 having a width greater than the diameter of the cable 2 provided with its insulating sheath 7; and a tighter portion 17 having a width equal to the diameter of the shielding braid 8; so that the sheath 7 is crossed by the edge of the branches 19 and 20, and the latter comes to pinch the braid 8 to establish contact.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Communication Cables (AREA)
  • Compositions Of Oxide Ceramics (AREA)
EP91400504A 1990-02-26 1991-02-25 Anordnung zum Fixieren eines Koaxialkabels und zum Verbinden mit der Masse einer gedruckten Leiterplatte Expired - Lifetime EP0450996B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9002357 1990-02-26
FR9002357A FR2658956B1 (fr) 1990-02-26 1990-02-26 Dispositif pour fixer un cable coaxial, et le relier a la masse d'une plaque de circuit imprime.

Publications (2)

Publication Number Publication Date
EP0450996A1 true EP0450996A1 (de) 1991-10-09
EP0450996B1 EP0450996B1 (de) 1995-10-11

Family

ID=9394131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91400504A Expired - Lifetime EP0450996B1 (de) 1990-02-26 1991-02-25 Anordnung zum Fixieren eines Koaxialkabels und zum Verbinden mit der Masse einer gedruckten Leiterplatte

Country Status (9)

Country Link
EP (1) EP0450996B1 (de)
AT (1) ATE129098T1 (de)
DE (1) DE69113669T2 (de)
DK (1) DK0450996T3 (de)
ES (1) ES2078464T3 (de)
FI (1) FI910873A7 (de)
FR (1) FR2658956B1 (de)
GR (1) GR3018188T3 (de)
NO (1) NO302260B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1006667A4 (de) * 1998-05-25 2003-04-16 Mitsubishi Electric Corp Empfänger
CN102170102A (zh) * 2011-01-18 2011-08-31 山东电力集团公司莱芜供电公司 低压电缆快捷固定装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10215078A1 (de) * 2002-04-05 2003-10-23 Conti Temic Microelectronic Leitungshalterung
SE530315C2 (sv) * 2006-09-22 2008-04-29 Mt Skellefteaa Memoteknik Ab Anordning för elektrisk jordning av en isolerad kabel
DE102007017520A1 (de) 2007-04-13 2008-10-16 Escha Bauelemente Gmbh Lichtwellenleitersteckerteil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987003969A1 (en) * 1985-12-26 1987-07-02 Amp Incorporated Optical fiber connector
EP0228750A1 (de) * 1985-12-23 1987-07-15 E.I. Du Pont De Nemours And Company Verbinder für ein Koaxialkabel
US4842544A (en) * 1986-08-18 1989-06-27 Amp Incorporated Method and apparatus for terminating high-speed signal transmission cable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0228750A1 (de) * 1985-12-23 1987-07-15 E.I. Du Pont De Nemours And Company Verbinder für ein Koaxialkabel
WO1987003969A1 (en) * 1985-12-26 1987-07-02 Amp Incorporated Optical fiber connector
US4842544A (en) * 1986-08-18 1989-06-27 Amp Incorporated Method and apparatus for terminating high-speed signal transmission cable

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1006667A4 (de) * 1998-05-25 2003-04-16 Mitsubishi Electric Corp Empfänger
US6625432B1 (en) 1998-05-25 2003-09-23 Mitsubishi Denki Kabushiki Kaisha Receiver
CN102170102A (zh) * 2011-01-18 2011-08-31 山东电力集团公司莱芜供电公司 低压电缆快捷固定装置
CN102170102B (zh) * 2011-01-18 2012-12-12 山东电力集团公司莱芜供电公司 低压电缆快捷固定装置

Also Published As

Publication number Publication date
ATE129098T1 (de) 1995-10-15
ES2078464T3 (es) 1995-12-16
FI910873A7 (fi) 1991-08-27
NO302260B1 (no) 1998-02-09
FI910873A0 (fi) 1991-02-22
FR2658956B1 (fr) 1994-02-25
EP0450996B1 (de) 1995-10-11
NO910726L (no) 1991-08-27
DK0450996T3 (da) 1996-01-15
DE69113669T2 (de) 1996-03-21
DE69113669D1 (de) 1995-11-16
GR3018188T3 (en) 1996-02-29
NO910726D0 (no) 1991-02-25
FR2658956A1 (fr) 1991-08-30

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