EP0789939B1 - Connecteur électrique du type fiche - Google Patents

Connecteur électrique du type fiche Download PDF

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Publication number
EP0789939B1
EP0789939B1 EP95932408A EP95932408A EP0789939B1 EP 0789939 B1 EP0789939 B1 EP 0789939B1 EP 95932408 A EP95932408 A EP 95932408A EP 95932408 A EP95932408 A EP 95932408A EP 0789939 B1 EP0789939 B1 EP 0789939B1
Authority
EP
European Patent Office
Prior art keywords
conductors
wires
electrical connector
heating elements
fixture
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.)
Expired - Lifetime
Application number
EP95932408A
Other languages
German (de)
English (en)
Other versions
EP0789939A1 (fr
Inventor
Jess B. Ferrill
Kevin Hudson Snead
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.)
Whitaker LLC
Original Assignee
Whitaker LLC
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 US08/332,218 external-priority patent/US5571035A/en
Priority claimed from US08/334,172 external-priority patent/US5592739A/en
Application filed by Whitaker LLC filed Critical Whitaker LLC
Publication of EP0789939A1 publication Critical patent/EP0789939A1/fr
Application granted granted Critical
Publication of EP0789939B1 publication Critical patent/EP0789939B1/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
    • 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
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/78—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to other flexible printed circuits, flat or ribbon cables or like structures
    • 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
    • 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
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/61—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
    • 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
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
    • 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
    • H01R13/02—Contact members
    • H01R13/26—Pin or blade contacts for sliding co-operation on one side only

Definitions

  • This invention is directed to the enhancement of an electrical connector such as a modular plug, by use of a load bar insert to improve performance through a reduction in crosstalk.
  • a current standard or performance level used today is identified as Category 5 products where operating frequencies may be 100 MHZ or higher. While the invention has diverse application for the preparation and alignment of wires to be terminated within a connector, it has particular utility with the loading of modular plugs which often must be terminated in the field by technicians, or in a small factory operations manually.
  • a first approach introduced several years ago was the use of a wire organizer, where the discrete wires were first loaded into such wire organizer to align and position the wires for eventual entry into the connector.
  • problems still persisted with the use of such organizers, as free ends of the wireless still had to be directed to an assigned passageway in the connector, and stubbing of the ends could result.
  • EP-A-0315763 discloses a bonding method which includes the use of a first fixture for aligning the ends of a plurality of conductors, and a bonding device for applying heat and pressure to bond the conductors to an intermediate foil strip.
  • EP-A-0226779 discloses another method wherein a plurality of conductors is received by a positioning die and fed through the die to be held firmly against a carrier film. The film and the conductors pass through a heating zone wherein high temperatures cause the conductors and the carrier film to fuse.
  • FR-A-2266430 also discloses a method for bonding a plurality of conductors to a carrier film.
  • the invention includes an electrical connector housing with the features of claim 1.
  • To bond and align the plurality of discrete insulation jacketed conductors for the connector a method is included. The method comprises the steps of:
  • a load bar insert is provided down stream of the bonded wire ends.
  • the load bar insert is characterized by having an upper surface and a lower surface to space or separate selected pairs of the conductors. Within the limits of the connector or plug housing, the insert or spacing maximizes the separation of the selected pairs and arranges them in plural planes before being realigned upstream into a common plane for bonding and terminating at the conductor terminating end.
  • the load bar insert includes grooves in the upper and lower surfaces of the insert.
  • FIGURE 1 is an exploded perspective view of an electrical connector, such as a modular plug, for example, illustrating the use of a performance enhancing load bar insert.
  • FIGURES 2 to 4 are transverse sectional views illustrating the sequence for bonding discrete wires to form a uniform ribbon cable according to this invention.
  • FIGURES 5 and 6 are lateral sectional views corresponding to the sequences illustrated in Figures 2 and 3, respectively.
  • FIGURE 7 is a lateral sectional view of the assembled modular plug illustrated in Figure 1.
  • FIGURE 8 is a sectional view taken through line 8-8 of Figure 7.
  • FIGURE 9 is a perspective view of the load bar insert of Figure 1, illustrating a pre-loading condition thereof, with the discrete conductors poised for lacing therein.
  • FIGURE 10 is a sectional view of a prior art cable, taken along line 10-10 of Figure 1, showing plural conductors prior to a planar arrangement thereof for entry into the load bar insert of Figure 9.
  • FIGURE 11 is a sectional view of a preferred load bar insert of this invention, taken along line 11-11 of Figure 1.
  • FIGURE 12 is a sectional view, taken along line 12-12 of Figure 1, showing the realigned conductors in a planar relationship for entry into a modular plug, for example, prior to termination therein.
  • FIG. 1 illustrates a prime example of how the invention can simplify the loading and termination of a modular plug.
  • a typical electrical connector 10, as shown in Figure 1 comprises an insulating housing 12 formed with an open end 14 for receiving a multi-wire electrical cable 16, a terminating end 18 communicating with a row of cable wire receiving passageways. The passageways further communicate with an internal cavity 20 opening into end 14.
  • the multi-wire electrical cable 16 is characterized as twisted pair cable, where preferably selected pairs of wires are twisted together. That is, a typical cable for an 8-position modular plug will reveal four twisted pairs of insulated wires.
  • a preferred pairing arrangement of conductors or wires for the modular plug terminal numbers is as follows: 1-2, 3-6, 4-5, and 7-8.
  • this invention has utility in the loading of fine wires to electrical connectors, with the assistance of a loading bar insert or wire organizer, as hereinafter explained. Nevertheless, the approach lies in the use of this invention with a loading bar insert 22, and illustrated in Figure 1 and later Figures.
  • the further discussion insofar as it relates to the bonding procedure, will be directed to the load bar insert of Figures 1 and 7.
  • This insert molded or formed of a rod or shaped body, includes upper and lower surfaces 24, 26, respectively, a back 28, and a tapered or divergent forward surface 30 directed to the cable receiving passageway 32 underlying the conductor terminating blades or terminals 23, see Figure 7.
  • pairs of slots or grooves 34, 36 are seated within which selected pairs of wires 38 are laced or received.
  • pairs 3-6 and 7-8 are seated within upper slots 34, while the remaining two pairs are seated within lower slots 36.
  • the upper slot containing pair 3-6 includes an end divider 40, to separate and align the wires into their numerically assigned position for termination.
  • the discrete, insulated wires 1 to 8 are positioned between a sandwich like bench fixture 44 illustrated in Figures 2 to 6, a preferred practice in bonding the discrete wires.
  • the pair of fixtures may each comprise a planar body 46 having plural, parallel resistance heating elements 48 arranged along the mating surfaces 50.
  • the opposite surface 52 includes means 54 for supplying electric current to the heating elements 48 to effect heating thereof.
  • the heating elements 48 are positioned to lie between adjacent side-by-side wires, and to the outside thereof, see Figure 3. In the illustrations of Figures 2 to 4, if the number of wires is "n", the number of heating elements is "n + 1".
  • the respective fixtures With the respective fixtures positioned in a compressive relationship to the discrete wires, note the direction arrows of Figure 3, electrical current may be applied to the heating elements 48 by means 54 to effect melting and bonding of the insulated wires into a unitary ribbon cable at the end thereof. That is, the respective fixtures 44 are brought together to trap and locate the discrete wires exactly on the preferred 1.016 mm ( ⁇ 0.040") centerlines, where the heating elements 48, such as nichrome heating wires, are also spaced on 1.016 mm ( ⁇ 0.040") distances. By this arrangement, including the outermost heating elements, the heating elements act as miniature "V" blocks.
  • Figures 7 and 8 illustrate an inserted and preterminated unitary member in a modular plug, where the bonded wires are positioned under the plural terminating blades 23.
  • the passageways 32 into which the bonded wires are received are typically a series of circular communicating sections, where the upper and lower surfaces are scalloped 60, and the sections are separated by two spaced apart opposing ribs 62.
  • stubbing can occur.
  • the present invention where the bonded web between adjacent wires has been modified by the newly impressed profile 55, stubbing problems are greatly minimized.
  • a fixture was prepared using a printed circuit board with nine SST wire loops arranged on 1.016 mm ( ⁇ 0.040") centerlines, the same spacing as the insulated wires, in parallel fashion.
  • a current of 7 to 10 amperes at from 5 to 2 seconds was applied to the SST wire loops to effecting bonding of the insulated wires.
  • the bonded wires were readily inserted into a modular plug.
  • the multi-wire electrical cable 16 shown in section in Figure 10, is characterized as twisted pair cable, where preferably selected pairs of wires 38 are twisted together. That is, a typical cable for an 8-position modular plug will reveal four twisted pairs of insulated wires.
  • a preferred pairing arrangement of conductors or wires for the modular plug terminal numbers are as follows: 1-2, 3-6, 4-5, and 7-8. This will be discussed in more detail hereinafter.
  • Figure 9 illustrates a load bar insert 22, adapted to be slidable received through opening 14 within the housing 10.
  • This insert formed from a dielectric material, was described above. Note by providing for the upper and lower slots, separation of the wires is maximized within the housing 10. Further, by providing for the forward or diverging surface 30, the respective wire pairs along the upper surface 24 are in multiple planes before returning to a single plane, as shown in Figure 12. These factors contribute significantly to the improved performance of the plug, since crosstalk is reduced by increasing the wire separation distance.
  • the wires after bonding are relatively fixed to one another. Since the wires are fixed in position at the respective ends, the wires will not resile into a common plane as would be expected with only one fixed end. Thus, the wires when bonded, such as described above, may be readily inserted into the connector as discussed above.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Communication Cables (AREA)
  • Insulated Conductors (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (6)

  1. Connecteur électrique (10) du type d'assemblage de fiche, destiné à être accouplé avec un connecteur de prise, plusieurs conducteurs (38) y étant raccordés en vue d'un engagement électrique dans les contacts correspondants dans ledit connecteur du type à prise (10), ledit connecteur électrique (10) comprenant un boítier diélectrique (10) avec une extrémité de réception du conducteur (14), une extrémité de raccordement du conducteur (18) et un passage (20) à communication interne entre lesdites extrémités respectives, caractérisé en ce que:
       une pièce rapportée d'écartement (22) est agencée dans ledit passage (20) pour recevoir lesdits plusieurs conducteurs (28) et pour positionner ceux-ci de sorte à améliorer les performances de diaphonie du connecteur électrique (10), ladite pièce rapportée (22) comportant une surface supérieure (24) et une surface inférieure (26) avec plusieurs rainures (34, 36), agencées le long desdites surfaces (24, 26) pour recevoir des paires sélectionnées desdits conducteurs (38).
  2. Connecteur électrique selon la revendication 1, dans lequel ladite pièce rapportée (22) englobe une paroi effilée (30) faisant face à ladite extrémité de raccordement du conducteur (18), lesdits fils sélectionnés (38) des conducteurs le long de ladite surface supérieure étant ainsi dirigés vers les paires sélectionnées de conducteurs (38), et entre ceux-ci, le long de ladite surface inférieure (26).
  3. Connecteur électrique selon l'une des revendications 1 ou 2, dans lequel les extrémités libres (1-8) desdits conducteurs (38) sont agencées parallèlement dans un plan commun et liés à ladite extrémité de raccordement du conducteur.
  4. Connecteur électrique selon la revendication 3, dans lequel les conducteurs (38) sont des fils isolés séparés, parallèles, un câble en ruban unitaire ayant été formé au niveau de l'extrémité desdits fils par utilisation d'un support de liaison des fils, en vue de la liaison des extrémités libres desdits conducteurs au niveau de ladite extrémité de raccordement du conducteur, ledit support comprenant une paire d'éléments diélectriques essentiellement plans, destinés à s'engager par compression dans lesdits fils, des éléments de chauffage agencés parallèlement le long des surfaces majeures opposées desdits éléments plans, le nombre desdits fils correspondant à "n" et le nombre des éléments de chauffage correspondant au moins à "n+1", les éléments de chauffage étant agencés de sorte à contacter l'isolation de deux fils adjacents.
  5. Connecteur électrique selon la revendication 3, dans lequel les conducteurs sont des conducteurs sous gaine isolante séparés (38), alignés et liés au niveau de l'extrémité correspondante pour former un câble du type ruban, pour faciliter la manipulation facile et le raccordement, dans lequel:
    a) lesdits plusieurs conducteurs (38) ont été alignés côte à côte sur un premier support (150), ledit support englobant plusieurs éléments de chauffage (48), chaque élément de chauffage (48) étant agencé de sorte à contacter les gaines isolantes d'une paire adjacente desdits conducteurs (38),
    b) un deuxième support (50) ayant une conception et une fonction comparables a été aligné en sandwich sur les côtés opposés desdits conducteurs sous gaine isolante (38), et
    c) un courant électrique a été appliqué auxdits éléments de chauffage (48) pour assurer une fusion localisée et une liaison des gaines isolantes des conducteurs adjacents (38).
  6. Connecteur électrique selon la revendication 5, dans lequel la fusion a changé lesdits conducteurs sous gaine isolante (38), d'une section transversale initialement circulaire vers une section transversale irrégulière.
EP95932408A 1994-10-31 1995-09-08 Connecteur électrique du type fiche Expired - Lifetime EP0789939B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US334172 1994-10-31
US08/332,218 US5571035A (en) 1994-10-31 1994-10-31 Divergent load bar
US08/334,172 US5592739A (en) 1994-10-31 1994-10-31 Bonding discrete wires to form unitary ribbon cable
US332218 1994-10-31
PCT/US1995/011270 WO1996013878A1 (fr) 1994-10-31 1995-09-08 Soudage de fils distincts pour former un cable ruban monobloc destine a un connecteur performant

Publications (2)

Publication Number Publication Date
EP0789939A1 EP0789939A1 (fr) 1997-08-20
EP0789939B1 true EP0789939B1 (fr) 1999-06-23

Family

ID=26988113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95932408A Expired - Lifetime EP0789939B1 (fr) 1994-10-31 1995-09-08 Connecteur électrique du type fiche

Country Status (8)

Country Link
EP (1) EP0789939B1 (fr)
JP (1) JP4070805B2 (fr)
KR (1) KR970707607A (fr)
CN (2) CN1076891C (fr)
AU (1) AU688593B2 (fr)
DE (1) DE69510464T2 (fr)
ES (1) ES2135088T3 (fr)
WO (1) WO1996013878A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959823A1 (de) * 1999-12-10 2001-06-28 Krone Gmbh Kabel mit elektrischer Steckverbindung

Families Citing this family (14)

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Publication number Priority date Publication date Assignee Title
WO1999017406A1 (fr) * 1997-09-26 1999-04-08 The Whitaker Corporation Fiche modulaire comportant une barre de charge pour la reduction de la diaphonie
US5967801A (en) * 1997-11-26 1999-10-19 The Whitaker Corporation Modular plug having compensating insert
US6080007A (en) * 1998-11-30 2000-06-27 Hubbell Incorporated Communication connector with wire holding sled
WO2000049683A1 (fr) * 1999-02-19 2000-08-24 Richard Weatherley Ensemble fiche pour transmission de donnees et procede de cablage associe
US6447326B1 (en) 2000-08-09 2002-09-10 Panduit Corp. Patch cord connector
EP1171933B1 (fr) * 1999-08-10 2007-12-12 Panduit Corp. Connecteur a cordon de connexion
JP2004342563A (ja) * 2003-05-19 2004-12-02 Nec Corp モジュラプラグ
JP2006351424A (ja) * 2005-06-17 2006-12-28 Swcc Showa Device Technology Co Ltd 差動信号伝送ケーブル
DE102010055851A1 (de) * 2010-12-22 2012-06-28 Harting Electronics Gmbh & Co. Kg Steckverbinder für hohe Datenübertragungsraten
CN103794272B (zh) * 2013-12-17 2016-10-05 国家电网公司 图数模一体化的电网数据管理平台专用线缆
JP6330587B2 (ja) * 2014-09-04 2018-05-30 株式会社オートネットワーク技術研究所 通信用コネクタ
JP6332087B2 (ja) * 2014-09-04 2018-05-30 株式会社オートネットワーク技術研究所 通信用コネクタ
CN105449419B (zh) * 2015-10-21 2018-02-06 贵州航天凯山石油仪器有限公司 一种验封短节与测调短节的连接方法及结构
JP6524372B1 (ja) * 2018-08-27 2019-06-05 三菱電機株式会社 ケーブル用コネクタ

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FR2266430A1 (en) * 1974-03-29 1975-10-24 Rists Wires & Cables Ltd Make-up jig for automobile cable harness - has weld current paths between electrode contact points
FR2523774A1 (fr) * 1982-03-17 1983-09-23 Thomas & Betts Corp Dispositif d'interconnexion telephonique
CA1281090C (fr) * 1985-11-18 1991-03-05 Albert Ray Cox Cable plat a connexion a la masse
GB8606654D0 (en) * 1986-03-18 1986-04-23 Molex Inc Multiconductor connector
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US5179779A (en) * 1990-07-13 1993-01-19 Sumitomo Wiring Systems Ltd. Method of forming flat multicore wire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959823A1 (de) * 1999-12-10 2001-06-28 Krone Gmbh Kabel mit elektrischer Steckverbindung
DE19959823C2 (de) * 1999-12-10 2003-04-30 Krone Gmbh Verbindungskabel mit elektrischer Steckverbindung

Also Published As

Publication number Publication date
ES2135088T3 (es) 1999-10-16
CN1171172A (zh) 1998-01-21
AU3546195A (en) 1996-05-23
DE69510464T2 (de) 2000-02-24
JP4070805B2 (ja) 2008-04-02
DE69510464D1 (de) 1999-07-29
CN1312601A (zh) 2001-09-12
CN1161864C (zh) 2004-08-11
CN1076891C (zh) 2001-12-26
EP0789939A1 (fr) 1997-08-20
AU688593B2 (en) 1998-03-12
WO1996013878A1 (fr) 1996-05-09
JPH10508146A (ja) 1998-08-04
KR970707607A (ko) 1997-12-01

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