EP0932225A1 - Fiche multipolaire - Google Patents

Fiche multipolaire Download PDF

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Publication number
EP0932225A1
EP0932225A1 EP98810042A EP98810042A EP0932225A1 EP 0932225 A1 EP0932225 A1 EP 0932225A1 EP 98810042 A EP98810042 A EP 98810042A EP 98810042 A EP98810042 A EP 98810042A EP 0932225 A1 EP0932225 A1 EP 0932225A1
Authority
EP
European Patent Office
Prior art keywords
guide plate
bores
conductor guide
plug
multipole plug
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Withdrawn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
EP98810042A
Other languages
German (de)
English (en)
Inventor
Fridolin Alois Frech
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP98810042A priority Critical patent/EP0932225A1/fr
Publication of EP0932225A1 publication Critical patent/EP0932225A1/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Withdrawn legal-status Critical Current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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
    • H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
    • H01R13/5808—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part formed by a metallic element crimped around the 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]
    • H01R13/6581—Shield structure

Definitions

  • the invention relates to a multipole plug, in particular an HF plug, for a connector system of symmetrical cables, which is a metallic Connector housing as shielding and mechanical protection, a plastic insert with electrical contacts and a conductor guide plate that can be inserted into the connector housing for the single wires of the balanced cable.
  • symmetrical cables of known design connected to plugs exist usually made of copper wires or strands embedded in a flexible mass, a peripheral shield and an outer insulation jacket.
  • the screen at least includes a braid, fabric or knitted fabric made of copper wires, which inside there may be an aluminum foil.
  • the aluminum foil also serves as a moisture barrier.
  • the cable shields In the field of HF connector systems, the cable shields must be one Plug and the associated socket insert electrically connected be otherwise the earth connection is not guaranteed continuously. In this regard reference is made to the applicant's EP, A1 0709929.
  • the contacts of multi-pin plugs are usually next to each other on one level arranged.
  • the twisted single wires must be opened, aligned and arranged in a linear fashion become. Because the external dimensions of plugs are compatible for all connector systems must be, their external dimensions are fixed.
  • a lined metal case usually leaves no space around the twisted single wires as close as possible to the electrical contacts.
  • At the forced necessary parallel routing of the isolated single wires with a usual External diameters of 0.9 to 1.1 mm are due to interaction per 15 mm Parallel routing compared to the twisted pair twisted single core guidance about 10% Signal quality lost.
  • the inventor has set himself the task in a connector of the type mentioned to create as much free space as possible so that the symmetrical cable is inserted and / or the twisted pairs as such as close as possible to the electrical contacts can be performed.
  • a connector of the type mentioned to create as much free space as possible so that the symmetrical cable is inserted and / or the twisted pairs as such as close as possible to the electrical contacts can be performed.
  • neither the standardized The dimensions of the connector still exceed the standardized contact distances.
  • the measure according to the invention can be used in the central interior of the multi-pole Connector more than double in space without losing the outside dimensions need to be changed.
  • the bare metal housing at this location leaves an interior about 5.5 mm wide open, more than double than in known embodiments. Twisted pairs of single cores can now be easily split up in multiple layers be brought up to the immediate contact area. The interior won can also allow whole symmetrical cables with folded shield in the central Slide interior of the metal housing of a multi-pin connector. With a view to The aforementioned drop in performance with parallel routing of the single wires is the meaning the teaching of the invention immediately recognizable. Significant disadvantages not be accepted, the front part with the two over the whole Legs extending the length of the metal housing are capable of the necessary mechanical To ensure stability without further ado.
  • sliding surface can be further simplified with further measures are, for example by attaching side guides, the molding of longitudinal grooves, etc.
  • sliding surfaces are usually flat, can they have useful curvatures.
  • This special embodiment of the plate allows the twisted single wire pairs and / or the cable with the shielding folded into the interior of the connector housing can be performed. Therefore, the single wires only have to be as short as possible Distance run in parallel, which minimizes loss of performance.
  • a multipole HF connector 10 shown in FIG. 1 with standardized external dimensions essentially comprises a metallic connector housing 12, a plastic insert 14, a conductor guide plate 16 and metallic contacts that can be guided in the plastic insert 18 in end position.
  • the metallic connector housing 12, which is used as a shield and mechanical Protection, preferably consists of an at least zone bending and / or foldable, one-piece sheet made of an electrically highly conductive material.
  • Well machinable metal sheets with predetermined bending areas are particularly suitable, for example made of brass, copper, aluminum or iron. This, for example, 0.3 mm thick
  • Metal sheets can also be coated accordingly to increase the electrical conductivity be, e.g. by tinning, silvering or gold plating.
  • the punched-out sheet also includes molded-on sheets Parts for a substantially U-shaped shield connection 20 with two crimp tabs 22, which around the rear folded umbrella of a dashed symmetrical Cable 24 can be bent.
  • the sheet metal for formation of the metallic connector housing 12 further two side guides 28 and two angled, for fixing the conductor guide plate 16 in the plug in the direction of arrow 32 Bendable securing tabs 30. Finally, there are metal connectors on both sides 12 locking cams 34 visible.
  • the plastic insert 14 is form-fitting as a front part in the metallic connector housing 12 introduced.
  • a flexible locking bracket 36 which is used to unlock the metal housing can be pressed is molded onto the plastic insert 14.
  • the electrical contacts 18 with three laterally deflectable Spring legs 88, 90, 92 (Fig. 7) out.
  • the spring legs protrude into a plastic insert 14 molded insertion slot 40, in which the conductor guide plate 16 is introduced positively. They are only scarce in the conductor guide plate 16 indicated single wires 42 of the symmetrical cable 24 in line next to each other arranged.
  • the conductor guide plate 16 is shown in a first variant in FIG. 2.
  • This circuit board 16 a dimensionally stable molded part made of plastic, essentially comprises two parallel legs 46, 48 with a connecting web 50.
  • the first leg 46 is in the longitudinal direction of eight bores 52 for single wires 42 (Fig. 1) reached through.
  • the holes overlap and are open on the sides so that you can more single wires can be carried out for a given width.
  • the connecting web 50 is on the side visible in FIG. 2 as a ramp 54 with a Slide surface 56 for aligning the individual wires 42 (Fig. 1) formed on one level.
  • This sliding surface 56 can, as shown in FIG. 2, with respect to the second leg 48 angled at an angle ⁇ , but also rounded.
  • the sliding surface is on the side 56 limited by side guides 57 for the single wires.
  • a large recess 62 is formed from the second leg 48 of length a, which only leaves two spacers 64, which serve as a retention extension for the Circuit board 16 serve.
  • the angled shape gives the spacers 64 the necessary mechanical stability, the recess 62 allows the on the occasion of Fig. 1 described increased free space 44 for the cable entry.
  • Fig. 3 On the right side of Fig. 3 is the contact area according to the known state of the Technology shown.
  • the electrical contacts 18 have sharpened tips Contacts 18 are guided in a plastic plate 66 and can in holes 52 guided single wires can be pressed. The bores 52 are cut out separately. In the case of single wires with copper wires, the electrical contacts 18 can only have one generate punctiform current transition.
  • FIGS. 7 to 12 drawn in detail. They pass through guide slots 68, which are in the direction of Bores 52, in Fig. 2 from bottom to top, narrow.
  • the contact ends are wedge-shaped trained and exclude point contacts.
  • Fig. 4 shows a second variant of a conductor guide plate 16.
  • the grooves 58 are here not, as in Fig. 2, arranged parallel to the bores 52, but extend over the entire length of the inclined ramp 54. They correspond to the diameter Bores 52 and merge into them with a kink or rounded.
  • the ones to be introduced From the beginning, individual wires 42 are next to each other in a guide groove 58 laid and pushed forward. The transition of the single wires lying flat next to each other from the grooves 58 into the bores 32 is facilitated if the upper part of the laterally open bores 52, delimited by the plane 60, in the transition area from the grooves 58 protrudes into the bores 52.
  • corresponding guide grooves 58 instead of large holes 52 corresponding guide grooves 58 also formed numerous significantly smaller grooves be, which run in the feed direction of the individual wires 42 and thus also the introduction facilitate in the holes 52.
  • the spacers 64 of the second leg 48 that serve as a retention extension extend to the grooves 48 of the ramp 54. In this way the free space 44 (FIG. 1) recess 62 in the inside of the plug, which is larger than in FIG. 2, is even larger.
  • the mechanical stability of the spacers 64 can be increased further by this with respect to the cross-section by shaping guide strips on the outside 65 T-shaped are trained. It can also be achieved that the circuit board 16 is narrower in the area of the first leg 46 than in the area of the second Thigh 48.
  • a symmetrical cable 24 shown in FIG. 5 comprises four inches in the present example a flexible mass 70 embedded pairs of twisted single conductors 42 with one of an insulation encased metal core.
  • the flexible mass 70 is from a moisture barrier, an aluminum foil 72, which in turn is covered by a metal mesh, the Screen 74 is surrounded.
  • the cable is mechanical and chemical thanks to an insulation jacket 76 protected.
  • a pair of twisted single wires 42 is shown in FIG. 6.
  • the twist is said to be first resolved as close as possible to the electrical contacts.
  • the electrical contact 18 shown in FIGS. 7, 8 is about 0.3 mm in the present case thick plate which fits into the 3 to 4 mm long guide slots 68 according to FIG. 3 fits. There are no contact tips, but wedge-shaped on three spring legs 88, 90, 92 formed contact surfaces 78, 80, 82 formed. The wedge-shaped contact surfaces 78, 82 of the outer spring legs 88, 92 run with respect to the wedge-shaped contact surface 80 of the middle spring leg 90 in opposite directions.
  • the mode of operation of the contact surfaces 78, 80, 82 is explained in more detail in FIGS. 9 to 12. 8, the electrical contact 18 with all three spring legs 88, 90, 92 is open the copper wire 84 of a single wire 42 (Fig. 5, 6) placed. When pressing the The two outer spring legs 88, 92 become contact 18 with greater force the contact surfaces 78, 82 and the middle spring leg 90 with the contact surface 80 spread out what is indicated by arrows. The contact surfaces 78, 80, 82 are now directly on the metal, the jamming ensures permanent good contact.
  • FIGS. 9 and 10 correspond essentially to FIGS. 9 and 10, a single wire with a Core of copper strands 86 is shown in place of copper wire 84.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP98810042A 1998-01-26 1998-01-26 Fiche multipolaire Withdrawn EP0932225A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98810042A EP0932225A1 (fr) 1998-01-26 1998-01-26 Fiche multipolaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98810042A EP0932225A1 (fr) 1998-01-26 1998-01-26 Fiche multipolaire

Publications (1)

Publication Number Publication Date
EP0932225A1 true EP0932225A1 (fr) 1999-07-28

Family

ID=8235902

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98810042A Withdrawn EP0932225A1 (fr) 1998-01-26 1998-01-26 Fiche multipolaire

Country Status (1)

Country Link
EP (1) EP0932225A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2798005A1 (fr) * 1999-08-30 2001-03-02 Cit Alcatel Dispositif de connexion d'un cable multipaires, a taux de diaphonie reduit entre paires

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4607905A (en) * 1985-04-18 1986-08-26 Brand-Rex Company Modular plug
DE4238923A1 (de) * 1992-11-19 1994-05-26 Gaertner Karl Telegaertner Stecker
US5505638A (en) * 1994-11-18 1996-04-09 Su; Gorden Telephone plug module
EP0716477A2 (fr) * 1994-12-05 1996-06-12 The Whitaker Corporation Prise modulaire pour la transmission de données à haute vitesse
DE29707011U1 (de) * 1996-10-22 1997-06-05 Chen, Hsin-Huei, Lu Chu Hsiang, Taoyuan Metallkontaktplatte eines Modulsteckers
EP0786834A2 (fr) * 1996-01-25 1997-07-30 Hirose Electric Co., Ltd. Plaque de guidage pour une fiche modulaire

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4607905A (en) * 1985-04-18 1986-08-26 Brand-Rex Company Modular plug
DE4238923A1 (de) * 1992-11-19 1994-05-26 Gaertner Karl Telegaertner Stecker
US5505638A (en) * 1994-11-18 1996-04-09 Su; Gorden Telephone plug module
EP0716477A2 (fr) * 1994-12-05 1996-06-12 The Whitaker Corporation Prise modulaire pour la transmission de données à haute vitesse
EP0786834A2 (fr) * 1996-01-25 1997-07-30 Hirose Electric Co., Ltd. Plaque de guidage pour une fiche modulaire
DE29707011U1 (de) * 1996-10-22 1997-06-05 Chen, Hsin-Huei, Lu Chu Hsiang, Taoyuan Metallkontaktplatte eines Modulsteckers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2798005A1 (fr) * 1999-08-30 2001-03-02 Cit Alcatel Dispositif de connexion d'un cable multipaires, a taux de diaphonie reduit entre paires
EP1081808A1 (fr) * 1999-08-30 2001-03-07 Alcatel Dispositif de connexion d'un câble multipaires, à taux de diaphonie reduit entre paires
US6375491B1 (en) 1999-08-30 2002-04-23 Nexans Device for connecting a multipair cable with reduced crosstalk between pairs

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