EP0598192B1 - Signal-Stecker mit kapazitivem Abgleich für bessere Übersprech-Parameter - Google Patents

Signal-Stecker mit kapazitivem Abgleich für bessere Übersprech-Parameter Download PDF

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Publication number
EP0598192B1
EP0598192B1 EP93113952A EP93113952A EP0598192B1 EP 0598192 B1 EP0598192 B1 EP 0598192B1 EP 93113952 A EP93113952 A EP 93113952A EP 93113952 A EP93113952 A EP 93113952A EP 0598192 B1 EP0598192 B1 EP 0598192B1
Authority
EP
European Patent Office
Prior art keywords
contact
contacts
connector
contact strips
plug connector
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
EP93113952A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0598192A1 (de
Inventor
Robert Michael Pantland
Stuart James Reeves
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.)
ADC GmbH
Original Assignee
Krone 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 Krone GmbH filed Critical Krone GmbH
Publication of EP0598192A1 publication Critical patent/EP0598192A1/de
Application granted granted Critical
Publication of EP0598192B1 publication Critical patent/EP0598192B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6464—Means for preventing cross-talk by adding capacitive elements
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6467—Means for preventing cross-talk by cross-over of signal conductors
    • 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
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/16—Connectors or connections adapted for particular applications for telephony
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base

Definitions

  • the invention relates to an electrical connector for communications and data technology according to the preamble of claim 1.
  • a connector of the generic type is previously known from EP-A-0 445 376.
  • This consists of a housing with a receiving chamber for a plug, a first set of contacts using insulation displacement technology and a second set of contacts connected to the first set (RJ contacts) made of elongated contact strips which are introduced into grooves in the upper part of the housing are parallel and close together are guided to each other up to the receiving chamber in which the plug (RJ plug) can be inserted.
  • the contact strips which run parallel to one another over long distances and at very short distances from one another, have the effect that a capacitor effect arises between the contact tracks, which leads, inter alia, to a deterioration in the values of the cross-talk or crosstalk attenuation.
  • Post-published EP-A-0 558 225 describes an electrical connector for use in the high-frequency range with likewise parallel contact tracks, each of which is angled and arranged in such a way that they partially cross each other.
  • the contact tracks are guided in two feed frames, which are arranged one above the other. This measure reduces the values of the crosstalk attenuation without, however, guaranteeing the values necessary for voice and data transmission over transmission paths with 100 Mbit / s or in the frequency range around 100 MHz.
  • the invention is therefore based on the object of improving an electrical connector of the generic type in such a way that its electrical parameters are significantly improved and meet the requirements for the transmission of high data rates.
  • the connector known from EP-A-0 445 376 according to FIG. 1 has a housing made of an upper part 10 and a lower part 11 made of injection molding.
  • the upper part 10 has opposite, essentially rectangular side walls 14, 15, which are each provided with a through opening 16 for engaging wedge-shaped projections 43 of the lower part 11.
  • the front end wall 22 of the top 10 is provided with a series of parallel grooves 24 communicating with similar grooves 26 formed in the bottom wall of the top 10.
  • Each of the grooves 26 extends to near the lower part of a slot 20 defined by the columnar lugs 18.
  • the front end wall 22 also has opposite, molded and angled, flange-like side parts 28, 29, each form a channel 30.
  • the upper part 10 is provided with integrated hooks 34, which form clamping elements for electrical conductors.
  • the lower part 11 is provided with a substantially flat end section 40 with opposite side walls 42, the outer surfaces of which are provided with the wedge-shaped projections 43. Inward flanges 44 are provided on the inside of each side wall 42.
  • the front end portion 45 of the lower part 11 has an integrally formed part which defines a cavity 50 for receiving a plug, such as a plug attached to the end of a line coming from a telephone device or a computer terminal.
  • a plug such as a plug attached to the end of a line coming from a telephone device or a computer terminal.
  • upright columns 56 arranged in opposite directions are formed approximately in the middle of the lower part 11.
  • the lower part 11 comprises on the front a flat wall 58 which extends upright at a height of approximately the height of the columns 56.
  • the other end of wall 58 terminates at protruding portions 60 from each of the side walls 42.
  • the base 11 can receive a closure cap 70 which is positioned between the opposite side walls 42 and held in place by the flanges 44.
  • the closure cover 70 can be moved between a position in which it closes the access to the cavity 50 and a position in which the cavity 50 is open.
  • a spring 72 is attached to the cap 70 to bias it toward the closed position.
  • the set of eight electrical connecting elements 80 extends into the slots 20 formed in the upper part 10 by the columnar extensions 18.
  • Each of these connecting elements 80 is provided with an insulation displacement contact element 81, which is fork-shaped and defines a relatively narrow contact slot 82, which opens into a wide insertion section 83.
  • the arrangement is designed such that when an electrically insulated conductor is inserted into the insertion section 83 and when the latter is pushed into the narrow contact slot 82, the insulation of the conductor is cut automatically, so that contact between the central core of the conductor and the material of the connecting element 80 will be produced.
  • the insulation displacement contact elements 81 are arranged substantially flat and at an angle of approximately 45 ° to a line through the columnar lugs 18, i.e. at 45 ° to the plane of each slot 20.
  • Each connecting element 80 is further provided with a foot section 85 which is formed in one piece with the insulation displacement contact elements 81.
  • a second set of connecting elements 90 has a row of eight contact tongues 92, which are each welded to a foot section 85.
  • An elongated contact strip 93 extends from each contact tongue 92.
  • the contact strips 93 are designed such that they run parallel to one another.
  • the contact strips 93 open as RJ contacts 1 to 8 in the cavity 50 for the RJ plugs of end devices.
  • the known connector is an 8-wire / -4-pair connector to view, which has the RJ contacts 1 to 8 and which can be represented in the following configuration (Fig. 1 to 3): Wires / contacts Pair configuration 1 and 2 Pair 2 3 and 6 Couple 3 5 and 4 Couple 1 7 and 8 Couple 4
  • the eight plug contacts at the point 120 in FIG. 3 are the RJ contacts 1 to 8 and establish contact with the contact strips 93 in a plug of the plug connector located in the cavity 50.
  • the contact strips 93 extend parallel to one another up to the connecting elements 80 designed as insulation displacement contacts 81.
  • the capacitance C1 between the RJ contacts 3 and 5 (FIG. 3) is defined as 1, then the capacitances C2 and C3 are each of size 2 and the capacitance C4 is also of size 1 (FIG. 2).
  • the bridge as shown in the example, has the capacitance values C1 and C4 of size 1 and the capacitance values C2 and C3 of size 2, then it is clearly unbalanced. This situation exists between pairs 1 and 3 as well as between pairs 2 and 3 as well as between 3 and 4.
  • the main cause of the crosstalk is the capacitive imbalance between the pairs.
  • the crosstalk can be minimized if the RJ contacts of a connector are designed to reduce the capacitive imbalance or to connect elements to the RJ contacts that provide controlled capacitance and thus reduce the imbalance.
  • the RJ contact arrangements can be organized so that not only the internal capacitive imbalance but also the internal capacitive imbalance of each associated suitable connector is compensated for.
  • the connector according to the invention shown in FIG. 4 corresponds in structure to the housing of the connector according to FIG. 1 formed from the upper part 10 and lower part 11.
  • the contact strips 93 are designed such that they do not run parallel to one another in part of their path , but are guided in multiple angled ways from the cavity 50 to the connecting elements 80 or to the contact tongues 92.
  • the contact tongues 92 are arranged in one plane. From the contact tongue level, the contact strips 93 in the area of the contact tongues 92 are angled downwards and upwards and also to the left or to the right, in some cases several times and in part crossing one another.
  • the RJ contact 1 via its contact strip 93.1 with the contact tongue 92.2
  • the RJ contact 2 via its contact strip 93.2 with the contact tongue 92.1
  • the RJ contact 3 via its contact strip 93.3 with the contact tongue 92.3
  • the RJ contact 4 Via its contact strip 93.4 with the contact tongue 92.5
  • the RJ contact 5 via its contact strip 93.5 with the contact tongue 92.4
  • the RJ contact 6 via its contact strip 93.6 with the contact tongue 92.6
  • the RJ contact 7 via its contact strip 93.7 with the contact tongue 92.8
  • the RJ contact 8 is connected via its contact strip 93.8 to the contact tongue 92.7.
  • FIG 5 shows in a schematic representation that this configuration of the contact strips 93 now enables the capacitance C1 between the RJ contacts 3 and 5 and the capacitance C4 between the RJ contacts 6 and 4 are increased because the RJ contacts 6 and 4 are closer together. This means that capacities are compared. This adjustment can also be achieved by reducing the capacitances C2 and C3 by positioning the RJ contact elements 3 and 4 or 5 and 6 further apart. The electrical parameters of the other configuration pairs can also be influenced.
  • FIG. 6 A second embodiment of the present invention is shown in FIG. 6.
  • the housing is not shown.
  • the contact strips 93 are angled differently and then guided parallel to one another.
  • FIG. 7 shows a further embodiment of the connection between the contact tongues 92 and the contact strips 93.
  • the contact strips 93 are partially crossed in the area of the feed to the contact tongues 92.
  • the contact strip 93.1 is guided to the contact tongue 92.2 and crosses the contact strip 93.2, which is guided to the contact tongue 92.1.
  • the contact strip 93.3 is guided to the contact tongue 92.3 without crossing.
  • the contact strip 93.4 is connected to the contact tongue 92.5 and crosses the connection between the contact strip 93.5 and the contact tongue 92.4.
  • the contact strip 93.6 is connected to the contact tongue 92.6.
  • the contact strip 93.7 is guided to the contact tongue 92.8 and is thereby from the connection between the contact strip 93.8 and the contact tongue 92.7 crossed.
  • the contact strips 93 and the contact tongues 92 are arranged in the connector area in guide webs 57 of the lower housing part 11.
  • the guide webs 57 have interruptions 59 in the area of intersection of the contact strips 93.
  • the contact strips 93 and the contact tongues 92 are only arranged in two planes at the crossing points, but generally in one plane.
  • the contact strips 93 which are partially crossed and guided in plastic guide webs 57, reduce the mutual capacitive influence.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Organic Insulating Materials (AREA)
  • Insulated Conductors (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Multi-Conductor Connections (AREA)
EP93113952A 1992-11-16 1993-09-01 Signal-Stecker mit kapazitivem Abgleich für bessere Übersprech-Parameter Expired - Lifetime EP0598192B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9224024A GB2273397B (en) 1992-11-16 1992-11-16 Electrical connectors
GB9224024 1992-11-16
SG1996004031A SG46385A1 (en) 1992-11-16 1992-11-16 Electrical plug connector

Publications (2)

Publication Number Publication Date
EP0598192A1 EP0598192A1 (de) 1994-05-25
EP0598192B1 true EP0598192B1 (de) 1997-01-08

Family

ID=26301986

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93113952A Expired - Lifetime EP0598192B1 (de) 1992-11-16 1993-09-01 Signal-Stecker mit kapazitivem Abgleich für bessere Übersprech-Parameter

Country Status (14)

Country Link
US (1) US5580270A (zh)
EP (1) EP0598192B1 (zh)
JP (1) JPH06215822A (zh)
CN (1) CN1063585C (zh)
AT (1) ATE147552T1 (zh)
AU (1) AU667946B2 (zh)
BR (1) BR9304707A (zh)
CA (1) CA2106366C (zh)
DE (1) DE59305060D1 (zh)
DK (1) DK0598192T3 (zh)
ES (1) ES2096160T3 (zh)
GB (1) GB2273397B (zh)
NZ (1) NZ248570A (zh)
SG (1) SG46385A1 (zh)

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Also Published As

Publication number Publication date
DE59305060D1 (de) 1997-02-20
ES2096160T3 (es) 1997-03-01
CN1063585C (zh) 2001-03-21
GB9224024D0 (en) 1993-01-06
AU667946B2 (en) 1996-04-18
GB2273397A (en) 1994-06-15
AU4624493A (en) 1994-05-26
CN1087451A (zh) 1994-06-01
BR9304707A (pt) 1994-05-24
CA2106366A1 (en) 1994-05-17
GB2273397B (en) 1997-01-29
ATE147552T1 (de) 1997-01-15
CA2106366C (en) 2000-07-25
DK0598192T3 (da) 1997-01-27
NZ248570A (en) 1996-12-20
SG46385A1 (en) 1998-02-20
EP0598192A1 (de) 1994-05-25
US5580270A (en) 1996-12-03
JPH06215822A (ja) 1994-08-05

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