EP0637097A1 - Connection block for high speed transmission in telecommunications and data systems - Google Patents

Connection block for high speed transmission in telecommunications and data systems Download PDF

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Publication number
EP0637097A1
EP0637097A1 EP94108404A EP94108404A EP0637097A1 EP 0637097 A1 EP0637097 A1 EP 0637097A1 EP 94108404 A EP94108404 A EP 94108404A EP 94108404 A EP94108404 A EP 94108404A EP 0637097 A1 EP0637097 A1 EP 0637097A1
Authority
EP
European Patent Office
Prior art keywords
contact elements
insulation displacement
displacement contact
terminal block
housing
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
EP94108404A
Other languages
German (de)
French (fr)
Other versions
EP0637097B1 (en
Inventor
Hans-Dieter Bippus
Robert A. Fitzgerald
Bryce L. Nicholss
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 EP0637097A1 publication Critical patent/EP0637097A1/en
Application granted granted Critical
Publication of EP0637097B1 publication Critical patent/EP0637097B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • 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
    • H01R12/777—Coupling parts carrying pins, blades or analogous contacts
    • 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
    • H01R13/6473—Impedance matching
    • H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • 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
    • 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
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/922—Telephone switchboard protector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/941—Crosstalk suppression

Definitions

  • the invention relates to a terminal block for high transmission rates in telecommunications and data technology, from a plastic housing and from at least two parallel rows of pairs inserted into the housing metallic insulation displacement contact elements with connected, spring contacts forming contact fingers.
  • a terminal block of the generic type is previously known from US Pat. No. 5,160,273.
  • the problem of crosstalk or crosstalk arises when large amounts of information are transmitted via electrical lines, the information being transmitted at high frequencies. The transmission at such high frequencies generates radiation and interference between adjacent lines, particularly if these lines are arranged closely adjacent to one another in the terminal block.
  • the use of the electrically conductive shielding plates is intended to achieve greater crosstalk or crosstalk attenuation at high transmission rates.
  • the use of large, electrically conductive shielding plates in the terminal strips requires an increase in the volume of the terminal strips and a higher cost in the manufacture of the terminal strips.
  • the invention is therefore based on the object of providing a terminal block for high transmission rates in telecommunications and data technology of the generic type, in which the problem of cross-talk or crosstalk can be eliminated or substantially reduced with less technical and cost expenditure.
  • the invention provides that the flat insulation displacement contact elements are formed only from the contact slot between side webs enclosing them and a narrow base web connecting them and that the width of the spring contacts is as small as possible.
  • This large reduction in the insulation displacement contact elements while reducing the surfaces of both the insulation displacement contact element itself and the contact fingers connected to it significantly reduce the capacitances built up between two parallel, conductive plates, which already results in a strong crosstalk attenuation or an improvement in the crosstalk values can be achieved.
  • an even significantly improved crosstalk attenuation can be achieved in that the distance between two adjacent pairs of insulation displacement contact elements of a row is greater than the distance between the two insulation displacement contact elements of a pair.
  • the capacities of adjacent pairs of insulation displacement contact elements arranged in a row are further reduced and the cross-talk or crosstalk values are further improved.
  • the terminal block 1 according to the first embodiment shown in Figures 1 to 5 is used for high transmission rates in telecommunications and data technology.
  • the terminal block 1 comprises a plastic housing 2 made of the upper part 3 and lower part 4, which are locked together by locking openings 5 in the upper part 3 and locking lugs 6 in the lower part 4.
  • Clamping slots 7 with integrally formed clamping lugs 8 and clamping webs 9 are formed in the upper part 3 and serve to receive insulation displacement contact elements 10.
  • the distance d between two immediately adjacent 3 mm clamping slots 7 for inserting a pair of insulation displacement contact elements 10 is significantly smaller than the distance D of 9.8 mm between two adjacent pairs of clamping slots 7 or insulation displacement contact elements 10 used therein.
  • This larger distance D serves to reduce the capacitances that form between the insulation displacement contact elements 10 that form, so as to improve the cross-talk or crosstalk values and to achieve improved crosstalk attenuation.
  • the individual insulation displacement contact elements 10 are each formed from sheet-shaped flat material and comprise only two side webs 12 of very narrow construction that enclose the contact slot 11 between them and a narrow base web 13 connecting them, which connects the two leaf spring-like side webs 12 to one another.
  • the contact slot 11 is provided with an approximately V-shaped insertion region 14 and an oval enlarged end region 28.
  • a contact finger 15 adjoins the base web 13 of the insulation displacement contact element 10, which is angled inward approximately at a right angle directly at the base web 13 and then merges into a spring contact 16 which is located in the region of the center line 17 of the housing 2.
  • the described design of the conductive insulation displacement contact elements 10 made of flat material means that the capacitances built up between the two insulation displacement contact elements 10 of a pair arranged in a row is further reduced and thus the cross-talk or crosstalk values are further improved, so that a very high crosstalk attenuation is achieved even within a pair of insulation displacement contact elements 10.
  • the housing 2 has a row of insertion openings 18 for plugs 19, which are used to separate the contact connection between the spring contacts 16.
  • the individual plugs 19 are provided in their plastic housing with a web-like locking element 20, which is attached to the housing of the plug 19 in a rocker-like manner.
  • support walls 22 forming support webs 21 are arranged in the lower part 4 of the housing, which protrude beyond the upper sides of the outer walls 23 of the lower part 4 and counter bearings for the form short insulation displacement contact elements 10. These are supported directly in the area of the contact fingers 15 angled by 90 °, as shown in FIG. 4.
  • the lower part 4 of the housing has, according to FIGS. 1 to 3, cable guides 24, 25 and locking webs 26 arranged in pairs, with which the terminal strip 1 can be snapped onto a frame, not shown, made of parallel rods. As shown in dashed lines in Fig. 1, the terminal block 1 can also be snapped onto a U-shaped mounting bracket 27, the side walls of which form tabs 28 for latching into the terminal strips 1.
  • Cable core pairs 29 of 0.40 to 0.64 conductor cross section can be connected to the insulation displacement contact elements 10.
  • the crosstalk attenuation is between 42 and 48 dB.
  • the terminal block 30 according to the second embodiment shown in Figures 6 to 11 differs from the first embodiment of the terminal block 1 shown in Figures 1 to 5 in that the insulation displacement contact elements 10 of a pair in the upper part 33 of the housing 32 are arranged lower than the pair of insulation displacement contact elements 10 of the opposite row and as the two laterally adjacent insulation displacement contact elements 10 of the same row, the length of the contact fingers 15, 45 being different, as shown in FIG. 9.
  • the crosstalk attenuation is between 46 and 52 dB.
  • the insulation displacement contact elements 10 of a pair are arranged on the opposite upper and lower sides of the housing 42, which is formed from almost identical upper and lower parts 43 and 44, respectively.
  • the distance D between two pairs of insulation displacement contact elements 10 arranged in a row is 19.5 mm.
  • the associated pair of insulation displacement contact elements 10 is in each case on the opposite Side of the upper and lower parts 43 and 44 of the housing 42 arranged, as shown in the sectional views according to Figures 16 and 17.
  • the configuration of the insulation displacement contact elements 10 with contact fingers 15 essentially corresponds to that according to FIG. 4, the insulation displacement contact elements 10 for the third embodiment of the terminal block 41 according to FIG. 15 being arranged diametrically offset.
  • the terminal block 41 can be rotated through 180 ° to connect the two sides.
  • crosstalk attenuation of approximately -49 dB can be achieved at transmission rates of approximately 100 MHz.

Abstract

The invention relates to a connection block for high transmission rates in telecommunications and data technology. The connection block 1 consists of a plastic housing 2 and of metallic insulation piercing terminal contact elements 10 which are inserted in pairs, in at least two parallel rows, into the housing 2 and have connected contact fingers 15 forming spring contacts 16. In order to reduce the capacitances between adjacent insulation piercing terminal contact elements 10 and between adjacent pairs of insulation piercing terminal contact elements 10, and thus to improve the crosstalk levels, the flat insulation piercing terminal contact elements 10 are formed only out of the base web 13 and the very narrow side webs 12 which enclose the contact slots 11 between them. The width of the contact fingers 15 is as small as possible. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Anschlußleiste für hohe Übertragungsraten in der Telekommunikations- und Datentechnik, aus einem Kunststoff-Gehäuse und aus in mindestens zwei parallelen Reihen paarweise in das Gehäuse eingesetzten metallischen Schneidklemm-Kontaktelementen mit angeschlossenen, Federkontakte bildenden Kontaktfingern.The invention relates to a terminal block for high transmission rates in telecommunications and data technology, from a plastic housing and from at least two parallel rows of pairs inserted into the housing metallic insulation displacement contact elements with connected, spring contacts forming contact fingers.

Eine Anschlußleiste der gattungsgemäßen Art ist aus der US-PS 5,160,273 vorbekannt. Hierbei soll das Problem des Über- bzw. Nebensprechens zwischen benachbarten Schneidklemm-Kontaktelementen durch Einsetzen einer Vielzahl elektrisch leitfähiger Abschirmbleche zwischen die einzelnen Paare von Schneidklemm-Kontaktelementen gelöst werden. Das Problem des Über- bzw. Nebensprechens tritt bei der Übertragung großer Informationsvolumen über elektrische Leitungen auf, wobei die Informationen bei hohen Frequenzen übertragen werden. Die Übertragung bei derart hohen Frequenzen erzeugt eine Strahlung und eine Interferenz zwischen benachbarten Leitungen, insbesondere, wenn diese Leitungen eng benachbart zueinander in der Anschlußleiste angeordnet sind. Durch das Einsetzen der elektrisch leitfähigen Abschirmbleche soll eine größere Über- bzw. Nebensprechdämpfung bei hohen Übertragungsraten erzielt werden. Der Einsatz von großflächigen, elektrisch leitfähigen Abschirmblechen in den Anschlußleisten erfordert jedoch eine Vergrößerung des Bauvolumens der Anschlußleisten und einen höheren Kostenaufwand bei der Herstellung der Anschlußleisten.A terminal block of the generic type is previously known from US Pat. No. 5,160,273. Here, the problem of crosstalk or crosstalk between adjacent insulation displacement contact elements by insertion a large number of electrically conductive shielding plates between the individual pairs of insulation displacement contact elements can be solved. The problem of crosstalk or crosstalk arises when large amounts of information are transmitted via electrical lines, the information being transmitted at high frequencies. The transmission at such high frequencies generates radiation and interference between adjacent lines, particularly if these lines are arranged closely adjacent to one another in the terminal block. The use of the electrically conductive shielding plates is intended to achieve greater crosstalk or crosstalk attenuation at high transmission rates. However, the use of large, electrically conductive shielding plates in the terminal strips requires an increase in the volume of the terminal strips and a higher cost in the manufacture of the terminal strips.

Der Erfindung liegt von daher die Aufgabe zugrunde, eine Anschlußleiste für hohe Übertragungsraten in der Telekommunikations-und Datentechnik der gattungsgemäßen Art zu schaffen, bei welcher das Problem des Neben- bzw. Übersprechens mit technisch und kostenmäßig geringerem Aufwand beseitigt bzw. wesentlich verringert werden kann.The invention is therefore based on the object of providing a terminal block for high transmission rates in telecommunications and data technology of the generic type, in which the problem of cross-talk or crosstalk can be eliminated or substantially reduced with less technical and cost expenditure.

Zur Lösung dieser Aufgabe sieht die Erfindung vor, daß die flachen Schneidklemm-Kontaktelemente nur aus den Kontaktschlitz zwischen sich einschließenden Seitenstegen und einem diese verbindenden, schmalen Basissteg gebildet sind und daß die Breite der Federkontakte möglichst klein ist. Durch diese starke Verkleinerung der Schneidklemm-Kontaktelemente unter Verringerung der Oberflächen sowohl des Schneidklemm-Kontaktelementes selbst als auch der mit diesem verbundenen Kontaktfinger werden die sich zwischen zwei parallelen, leitfähigen Platten aufbauenden Kapazitäten wesentlich verringert, wodurch bereits eine starke Übersprechdämpfung bzw. eine Verbesserung der Nebensprechwerte erreicht werden. Dies trifft sowohl für ein Paar nebeneinander angeordneter, mit einem Kabeladerpaar verbundene Schneidklemm-Kontaktelemente als auch für nebeneinanderliegende, an unterschiedliche Kabeladerpaare angeschlossene Schneidklemm-Kontaktelemente zu.To achieve this object, the invention provides that the flat insulation displacement contact elements are formed only from the contact slot between side webs enclosing them and a narrow base web connecting them and that the width of the spring contacts is as small as possible. This large reduction in the insulation displacement contact elements while reducing the surfaces of both the insulation displacement contact element itself and the contact fingers connected to it significantly reduce the capacitances built up between two parallel, conductive plates, which already results in a strong crosstalk attenuation or an improvement in the crosstalk values can be achieved. This applies both to a pair of insulation displacement contact elements which are arranged next to one another and are connected to a pair of cable wires, and also to insulation displacement contact elements which are adjacent to one another and connected to different cable wire pairs.

In weiterer Ausbildung der Erfindung kann eine noch wesentlich verbesserte Übersprechdämpfung dadurch erreicht werden, daß der Abstand zweier benachbarter Paare von Schneidklemm-Kontaktelementen einer Reihe größer ist als der Abstand der beiden Schneidklemm-Kontaktelemente eines Paares. Hierdurch werden die Kapazitäten benachbarter Paare von in einer Reihe angeordneten Schneidklemm-Kontaktelementen noch weiter verringert und die Neben- bzw. Übersprechwerte noch weiter verbessert.In a further embodiment of the invention, an even significantly improved crosstalk attenuation can be achieved in that the distance between two adjacent pairs of insulation displacement contact elements of a row is greater than the distance between the two insulation displacement contact elements of a pair. As a result, the capacities of adjacent pairs of insulation displacement contact elements arranged in a row are further reduced and the cross-talk or crosstalk values are further improved.

Weitere vorteilhafte Ausführungsformen der Erfindung ergeben sich aus den weiteren Unteransprüchen.Further advantageous embodiments of the invention result from the further subclaims.

Die Erfindung ist nachfolgend anhand von drei Ausführungsformen von Anschlußleisten für hohe Übertragungsraten näher erläutert. Es zeigen:

Fig. 1
eine Ansicht der ersten Ausführungsform der Anschlußleiste,
Fig. 2
eine Seitenansicht gemäß Fig. 1,
Fig. 3
eine Draufsicht nach Fig. 1,
Fig. 4
die Einzeldarstellung eines Paares von in zwei gegenüberliegenden Reihen angeordneten Schneidklemm-Kontaktelementen in der ersten Ausführungsform gemäß den Figuren 1 bis 3,
Fig. 5
einen stark vergrößerten Querschnitt durch die Anschlußleiste gemäß Fig. 1,
Fig. 6
die Ansicht der zweiten Ausführungsform der Anschlußleiste,
Fig. 7
die Seitenansicht,
Fig. 8
die Draufsicht,
Fig. 9
die Einzeldarstellung eines Paares von in gegenüberliegenden Reihen angeordneten Schneidklemm-Kontaktelementen für die Anschlußleiste in der zweiten Ausführungsform gemaß den Figuren 6 bis 8,
Fig. 10
einen Querschnitt gemäß der Linie A-A durch die Anschlußleiste gemäß Fig. 6,
Fig. 11
einen Querschnitt gemäß der Linie B-B durch die Anschlußleiste gemäß Fig. 6,
Fig. 12
eine Ansicht der dritten Ausführungsform der Anschlußleiste,
Fig. 13
eine Seitenansicht,
Fig. 14
eine Draufsicht,
Fig. 15
ein Paar von in gegenüberliegenden Reihen angeordneten Schneidklemm-Kontaktelementen für die Anschlußleiste in der dritten Ausführungsform gemäß den Figuren 12 bis 14,
Fig. 16
einen Querschnitt gemäß der Linie A-A durch die Anschlußleiste gemäß Fig. 12 und
Fig. 17
einen Querschnitt der Linie B-B in Fig.12.
The invention is explained in more detail below with the aid of three embodiments of terminal strips for high transmission rates. Show it:
Fig. 1
a view of the first embodiment of the terminal block,
Fig. 2
2 shows a side view according to FIG. 1,
Fig. 3
2 shows a top view according to FIG. 1,
Fig. 4
the individual representation of a pair of insulation displacement contact elements arranged in two opposite rows in the first embodiment according to Figures 1 to 3,
Fig. 5
2 shows a greatly enlarged cross section through the connection strip according to FIG. 1,
Fig. 6
the view of the second embodiment of the terminal block,
Fig. 7
the side view,
Fig. 8
the top view,
Fig. 9
the individual representation of a pair of insulation displacement contact elements arranged in opposite rows for the terminal block in the second embodiment according to Figures 6 to 8,
Fig. 10
6 shows a cross section along the line AA through the terminal block according to FIG. 6,
Fig. 11
6 shows a cross section along line BB through the terminal block according to FIG. 6,
Fig. 12
a view of the third embodiment of the terminal block,
Fig. 13
a side view,
Fig. 14
a top view,
Fig. 15
a pair of insulation displacement contact elements arranged in opposite rows for the terminal block in the third embodiment according to Figures 12 to 14,
Fig. 16
a cross section along the line AA through the terminal block according to FIG. 12 and
Fig. 17
a cross section of line BB in Fig.12.

Die Anschlußleiste 1 gemäß der in den Figuren 1 bis 5 dargestellten ersten Ausführungsform dient für hohe Übertragungsraten in der Telekommunikations-und Datentechnik. Die Anschlußleiste 1 umfaßt ein Kunststoff-Gehäuse 2 aus Oberteil 3 und Unterteil 4, die durch Rastöffnungen 5 im Oberteil 3 und Rastnasen 6 im Unterteil 4 miteinander verrastet sind. In das Oberteil 3 sind Klemmschlitze 7 mit angeformten Klemmnasen 8 und Klemmstegen 9 eingeformt, die zur Aufnahme von Schneidklemm-Kontaktelementen 10 dienen.The terminal block 1 according to the first embodiment shown in Figures 1 to 5 is used for high transmission rates in telecommunications and data technology. The terminal block 1 comprises a plastic housing 2 made of the upper part 3 and lower part 4, which are locked together by locking openings 5 in the upper part 3 and locking lugs 6 in the lower part 4. Clamping slots 7 with integrally formed clamping lugs 8 and clamping webs 9 are formed in the upper part 3 and serve to receive insulation displacement contact elements 10.

Wie es die Figuren 1 und 2 zeigen, ist der Abstand d zweier unmittelbar benachbarter, zum Einsetzen eines Paares von Schneidklemm-Kontaktelementen 10 dienender Klemmschlitze 7 mit 3 mm wesentlich geringer als der Abstand D von 9,8 mm zwischen zwei benachbarten Paaren von Klemmschlitzen 7 bzw. darin eingesetzten Schneidklemm-Kontaktelementen 10. Dieser größere Abstand D dient zur Verringerung der sich zwischen den Kondensatorplatten bildenden Schneidklemm-Kontaktelementen 10 aufbauenden Kapazitäten, um so die Neben- bzw. Übersprechwerte zu verbessern und eine verbesserte Übersprechdämpfung zu erreichen.As shown in FIGS. 1 and 2, the distance d between two immediately adjacent 3 mm clamping slots 7 for inserting a pair of insulation displacement contact elements 10 is significantly smaller than the distance D of 9.8 mm between two adjacent pairs of clamping slots 7 or insulation displacement contact elements 10 used therein. This larger distance D serves to reduce the capacitances that form between the insulation displacement contact elements 10 that form, so as to improve the cross-talk or crosstalk values and to achieve improved crosstalk attenuation.

Die einzelnen Schneidklemm-Kontaktelemente 10 sind jeweils aus blattförmigem Flachmaterial gebildet und umfassen nur zwei, den Kontaktschlitz 11 zwischen sich einschließende Seitenstege 12 sehr schmaler Bauart und einen diese verbindenden schmalen Basissteg 13, der die beiden blattfederartigen Seitenstege 12 miteinander verbindet. Der Kontaktschlitz 11 ist mit einem etwa V-förmigen Einführbereich 14 und einem ovalen vergrößerten Endbereich 28 versehen. An den Basissteg 13 des Schneidklemm-Kontaktelementes 10 schließt sich jeweils ein Kontaktfinger 15 an, der unmittelbar am Basissteg 13 etwa rechtwinklig nach innen abgewinkelt ist und anschließend in einen Federkontakt 16 übergeht, der sich im Bereich der Mittellinie 17 des Gehäuses 2 befindet. Durch die beschriebene Ausbildung der aus Flachmaterial hergestellten, leitfähigen Schneidklemm-Kontaktelemente 10 werden die zwischen den beiden Schneidklemm-Kontaktelementen 10 eines in einer Reihe angeordneten Paares aufgebauten Kapazitäten noch weiter verringert und somit die Neben- bzw. Übersprechwerte noch weiter verbessert, so daß eine sehr hohe Übersprechdämpfung auch innerhalb eines Paares von Schneidklemm-Kontaktelementen 10 erzielt wird.The individual insulation displacement contact elements 10 are each formed from sheet-shaped flat material and comprise only two side webs 12 of very narrow construction that enclose the contact slot 11 between them and a narrow base web 13 connecting them, which connects the two leaf spring-like side webs 12 to one another. The contact slot 11 is provided with an approximately V-shaped insertion region 14 and an oval enlarged end region 28. A contact finger 15 adjoins the base web 13 of the insulation displacement contact element 10, which is angled inward approximately at a right angle directly at the base web 13 and then merges into a spring contact 16 which is located in the region of the center line 17 of the housing 2. The described design of the conductive insulation displacement contact elements 10 made of flat material means that the capacitances built up between the two insulation displacement contact elements 10 of a pair arranged in a row is further reduced and thus the cross-talk or crosstalk values are further improved, so that a very high crosstalk attenuation is achieved even within a pair of insulation displacement contact elements 10.

Das Gehäuse 2 weist zwischen den beiden Reihen von Schneidklemm-Kontaktelementen 11 eine Reihe von Einstecköffnungen 18 für Stecker 19 auf, die zum Auftrennen der Kontaktverbindung Zwischen den Federkontakten 16 dienen. Die einzelnen Stecker 19 sind in ihrem Kunststoff-Gehäuse mit einem stegartigen Rastelement 20 versehen, das wippenartig am Gehäuse des Steckers 19 angebracht ist.Between the two rows of insulation displacement contact elements 11, the housing 2 has a row of insertion openings 18 for plugs 19, which are used to separate the contact connection between the spring contacts 16. The individual plugs 19 are provided in their plastic housing with a web-like locking element 20, which is attached to the housing of the plug 19 in a rocker-like manner.

Um die sehr kurzen, flachen Schneidklemm-Kontaktelemente 10 im Gehäuse 2 zwecks Aufbringen der notwendigen Beschaltungskraft abstützen zu können, sind im Unterteil 4 des Gehäuses 2 Stützstege 21 bildende Stützwände 22 angeordnet, welche die Oberseiten der Außenwände 23 des Unterteils 4 überragen und Gegenlager für die kurzen Schneidklemm-Kontaktelemente 10 bilden. Diese werden unmittelbar im um 90° abgewinkelten Bereich der Kontaktfinger 15 abgestützt, wie es in Fig. 4 dargestellt ist.In order to be able to support the very short, flat insulation displacement contact elements 10 in the housing 2 for the purpose of applying the necessary wiring force, support walls 22 forming support webs 21 are arranged in the lower part 4 of the housing, which protrude beyond the upper sides of the outer walls 23 of the lower part 4 and counter bearings for the form short insulation displacement contact elements 10. These are supported directly in the area of the contact fingers 15 angled by 90 °, as shown in FIG. 4.

Das Unterteil 4 des Gehäuses weist gemäß den Figuren 1 bis 3 Kabelführungen 24,25 und paarweise angeordnete Raststege 26 auf, mit denen die Anschlußleiste 1 auf ein nicht dargestelltes Gestell aus parallelen Stangen aufgerastet werden kann. Wie in Fig. 1 in gestrichelten Linienzügen dargestellt, kann die Anschlußleiste 1 auch auf einen U-förmigen Montagebügel 27 aufgerastet werden, dessen Seitenwände 28 Laschen zum Einrasten in die Anschlußleisten 1 bilden.The lower part 4 of the housing has, according to FIGS. 1 to 3, cable guides 24, 25 and locking webs 26 arranged in pairs, with which the terminal strip 1 can be snapped onto a frame, not shown, made of parallel rods. As shown in dashed lines in Fig. 1, the terminal block 1 can also be snapped onto a U-shaped mounting bracket 27, the side walls of which form tabs 28 for latching into the terminal strips 1.

An die Schneidklemm-Kontaktelemente 10 können Kabeladerpaare 29 von 0,40 bis 0,64 Leiterquerschnitt angeschlossen werden. Die Übersprechdämpfung liegt zwischen 42 und 48 dB.Cable core pairs 29 of 0.40 to 0.64 conductor cross section can be connected to the insulation displacement contact elements 10. The crosstalk attenuation is between 42 and 48 dB.

Die Anschlußleiste 30 gemäß der in den Figuren 6 bis 11 dargestellten zweiten Ausführungsform unterscheidet sich von der in den Figuren 1 bis 5 dargestellten ersten Ausführungsform der Anschlußleiste 1 dadurch, daß die Schneidklemm-Kontaktelemente 10 eines Paares im Oberteil 33 des Gehäuses 32 tiefer angeordnet sind als das Paar von Schneidklemm-Kontaktelementen 10 der gegenüberliegenden Reihe und als die beiden seitlich angrenzenden Schneidklemm-Kontaktelemente 10 derselben Reihe, wobei die Länge der Kontaktfinger 15, 45 unterschiedlich ist, wie es in Fig. 9 dargestellt ist. Die Übersprechdämpfung liegt zwischen 46 und 52 dB.The terminal block 30 according to the second embodiment shown in Figures 6 to 11 differs from the first embodiment of the terminal block 1 shown in Figures 1 to 5 in that the insulation displacement contact elements 10 of a pair in the upper part 33 of the housing 32 are arranged lower than the pair of insulation displacement contact elements 10 of the opposite row and as the two laterally adjacent insulation displacement contact elements 10 of the same row, the length of the contact fingers 15, 45 being different, as shown in FIG. 9. The crosstalk attenuation is between 46 and 52 dB.

Bei der in den Figuren 12 bis 17 dargestellten dritten Ausführungsform der Anschlußleiste 41 sind die Schneidklemm-Kontaktelemente 10 eines Paares auf den gegenüberliegenden Ober-und Unterseiten des Gehäuses 42 angeordnet, das aus nahezu identisch ausgebildeten Ober-und Unterteilen 43 bzw. 44 gebildet ist. Der Abstand D zwischen zwei Paaren von in einer Reihe angeordneten Schneidklemm-Kontaktelementen 10 beträgt hierbei 19,5 mm. Das zugehörige Paar von Schneidklemm-Kontaktelementen 10 ist jeweils auf der gegenüberliegenden Seite des Ober- bzw. Unterteils 43 bzw. 44 des Gehäuses 42 angeordnet, wie es die Schnittdarstellungen gemäß den Figuren 16 und 17 zeigen. Die Ausbildung der Schneidklemm-Kontaktelemente 10 mit Kontaktfingern 15 entspricht im wesentlichen derjenigen nach Fig. 4, wobei die Schneidklemm-Kontaktelemente 10 für die dritte Ausführungsform der Anschlußleiste 41 gemäß Fig. 15 diametral versetzt angeordnet sind. Die Anschlußleiste 41 kann zum Beschalten der beiden Seiten um 180 ° gedreht werden.In the third embodiment of the terminal block 41 shown in FIGS. 12 to 17, the insulation displacement contact elements 10 of a pair are arranged on the opposite upper and lower sides of the housing 42, which is formed from almost identical upper and lower parts 43 and 44, respectively. The distance D between two pairs of insulation displacement contact elements 10 arranged in a row is 19.5 mm. The associated pair of insulation displacement contact elements 10 is in each case on the opposite Side of the upper and lower parts 43 and 44 of the housing 42 arranged, as shown in the sectional views according to Figures 16 and 17. The configuration of the insulation displacement contact elements 10 with contact fingers 15 essentially corresponds to that according to FIG. 4, the insulation displacement contact elements 10 for the third embodiment of the terminal block 41 according to FIG. 15 being arranged diametrically offset. The terminal block 41 can be rotated through 180 ° to connect the two sides.

Mit dem ersten Ausführungsbeispiel gemäß den Figuren 1 bis 5 kann bei Übertragungsraten von etwa 100 MHz eine Übersprechdämpfung von etwa -49 dB erreicht werden.With the first exemplary embodiment according to FIGS. 1 to 5, crosstalk attenuation of approximately -49 dB can be achieved at transmission rates of approximately 100 MHz.

BEZUGSZEICHENLISTEREFERENCE SIGN LIST

11
Anschlußleiste ITerminal block I
22nd
Kunststoff-GehäusePlastic housing
33rd
OberteilTop
44th
UnterteilLower part
55
RastöffnungRest opening
66
RastnaseLatch
77
KlemmschlitzClamping slot
88th
KlemmnaseClamping nose
99
KlemmstegClamping web
1010th
Schneid-Klemm-KontaktelementIDC contact element
1111
KontaktschlitzContact slot
1212th
SeitenstegSidewall
1313
BasistegBase bridge
1414
EinführbereichInsertion area
1515
KontaktfingerContact finger
1616
FederkontaktSpring contact
1717th
MittellinieCenter line
1818th
EinstecköffnungInsertion opening
1919th
Steckerplug
2020th
RastelementLocking element
2121
StützstegLanding stage
2222
StützwandRetaining wall
2323
AußenwandOuter wall
2424th
KabelführungCable routing
2525th
KabelführungCable routing
2626
RaststegRest bridge
2727
MontagebügelMounting bracket
2828
EndbereichEnd area
2929
KabeladerpaarCable wire pair
3131
Anschlußleiste IITerminal block II
3232
Gehäusecasing
3333
OberteilTop
3535
KontaktfederContact spring
4141
Anschlußleiste IIITerminal block III
4242
Gehäusecasing
4343
OberteilTop
4444
UnterteilLower part

Claims (9)

Anschlußleiste für hohe Übertragungsraten in der Telekommunikations- und Datentechnik, aus einem Kunststoff-Gehäuse und aus in mindestens zwei parallelen Reihen paarweise in das Gehäuse eingesetzten, metallischen Schneidklemm-Kontaktelementen mit angeschlossenen, Federkontakte bildenden Kontaktfingern,
dadurch gekennzeichnet,
daß die flachen Schneidklemm-Kontaktelemente (10) nur aus den den Kontaktschlitz (11) zwischen sich einschließenden sehr schmalen Seitenstegen (12) und einem diese verbindenden schmalen Basissteg (13) gebildet sind und daß die Breite der Kontaktfinger (15) möglichst klein ist.Terminal block for high transmission rates in telecommunications and data technology, made of a plastic housing and of metal insulation displacement contact elements inserted into the housing in pairs in at least two parallel rows with connected contact fingers forming spring contacts,
characterized,
that the flat insulation displacement contact elements (10) are formed only from the very narrow side webs (12) enclosing the contact slot (11) between them and a narrow base web (13) connecting them, and that the width of the contact fingers (15) is as small as possible. Anschlußleiste nach Anspruch 1, dadurch gekennzeichnet, daß der Abstand (D) zweier benachbarter Paare von Schneidklemm-Kontaktelementen (10) einer Reihe größer ist als der Abstand (d) der beiden Schneidklemm-Kontaktelemente (10) eines Paares.Terminal block according to Claim 1, characterized in that the distance (D) between two adjacent ones Pairs of insulation displacement contact elements (10) of a row is greater than the distance (d) between the two insulation displacement contact elements (10) of a pair. Anschlußleiste nach Anspruch 2, dadurch gekennzeichnet, daß der Abstand (d) der beiden Schneidklemm-Kontaktelemente (10) eines Paares etwa 3 mm und der Abstand benachbarter Paare etwa 9 bis 10 mm beträgt.Terminal strip according to claim 2, characterized in that the distance (d) between the two insulation displacement contact elements (10) of a pair is approximately 3 mm and the distance between adjacent pairs is approximately 9 to 10 mm. Anschlußleiste nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Kontaktfinger (15) unmittelbar am Basissteg (13) der Schneidklemm-Kontaktelemente (10) etwa rechtwinklig nach innen abgebogen sind und daß das Unterteil (4) des Gehäuses (2) Stützstege (21) als Gegenlager für die kurzen Schneidklemm-Kontaktelemente (10) aufweist.Terminal strip according to one of claims 1 to 3, characterized in that the contact fingers (15) directly at the base web (13) of the insulation displacement contact elements (10) are bent inward at approximately a right angle and that the lower part (4) of the housing (2) has support webs (21) as a counter bearing for the short insulation displacement contact elements (10). Anschlußleiste nach Anspruch 4, dadurch gekennzeichnet, daß die Stützstege (21) die umlaufenden Außenwände (23) des Unterteiles (4) überragen.Terminal block according to claim 4, characterized in that the supporting webs (21) project beyond the surrounding outer walls (23) of the lower part (4). Anschlußleiste nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, daß die Stützstege (21) eine durchgehende Stützwand (22) bilden.Terminal block according to one of claims 4 or 5, characterized in that the support webs (21) form a continuous support wall (22). Anschlußleiste nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Schneidklemm-Kontaktelemente (10) eines Paares im Gehäuse (32) tiefer angeordnet sind als die Schneidklemm-Kontaktelemente (10) der gegenüberliegenden Reihe und als die beiden seitlich angrenzenden Paare von Schneidklemm-Kontaktelementen (10) derselben Reihe, wobei unterschiedlich lange Kontaktfinger (15,35) angesetzt sind.Terminal block according to one of claims 1 to 6, characterized in that the insulation displacement contact elements (10) of a pair are arranged in the housing (32) lower than the insulation displacement contact elements (10) of the opposite row and as the two laterally adjacent pairs of IDC contact elements (10) of the same row, contact fingers (15, 35) of different lengths being attached. Anschlußleiste nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Schneidklemm-Kontaktelemente (10) eines Paares auf den gegenüberliegenden Ober-und Unterseiten (43,44) des Gehäuses (42) angeordnet sind.Terminal block according to one of claims 1 to 6, characterized in that the insulation displacement contact elements (10) of a pair are arranged on the opposite upper and lower sides (43, 44) of the housing (42). Anschlußleiste nach Anspruch 8, dadurch gekennzeichnet, daß das Oberteil (43) und das Unterteil (44) des Gehäuses (42) identisch ausgebildet sind.Terminal block according to claim 8, characterized in that the upper part (43) and the lower part (44) of the housing (42) are of identical design.
EP94108404A 1993-07-27 1994-06-01 Connection block for high speed transmission in telecommunications and data systems Expired - Lifetime EP0637097B1 (en)

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DE4325952 1993-07-27
DE4325952A DE4325952C2 (en) 1993-07-27 1993-07-27 Terminal block for high transmission rates in telecommunications and data technology

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EP0637097B1 EP0637097B1 (en) 1998-09-02

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AU595890B2 (en) * 1987-05-08 1990-04-12 Adc Gmbh Connector block with normally open or switching contacts
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Cited By (20)

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Publication number Priority date Publication date Assignee Title
EP0743700A2 (en) * 1995-05-17 1996-11-20 AT&T IPM Corp. Insulation displacement terminal with two-wire insertion capability
EP0743701A2 (en) * 1995-05-17 1996-11-20 AT&T IPM Corp. Insulation displacement contact including retention means
EP0743714A2 (en) * 1995-05-17 1996-11-20 AT&T IPM Corp. Mounting of protectors in connector blocks
EP0743713A2 (en) * 1995-05-17 1996-11-20 AT&T IPM Corp. Mounting bracket and ground bar for a connector block
EP0743701A3 (en) * 1995-05-17 1997-12-10 AT&T IPM Corp. Insulation displacement contact including retention means
EP0743713A3 (en) * 1995-05-17 1997-12-10 AT&T IPM Corp. Mounting bracket and ground bar for a connector block
EP0743700A3 (en) * 1995-05-17 1997-12-10 AT&T IPM Corp. Insulation displacement terminal with two-wire insertion capability
EP0743714A3 (en) * 1995-05-17 1997-12-10 AT&T IPM Corp. Mounting of protectors in connector blocks
US5967826A (en) * 1996-12-20 1999-10-19 Pouyet S.A. Terminal block with beveled edge for reduced crosstalk and method
FR2757691A1 (en) * 1996-12-20 1998-06-26 Pouyet Sa METHOD FOR PRODUCING AN INTERCONNECTION REGLETE OF TELEPHONE OR COMPUTER LINES, AND A REGULATE OBTAINED BY THIS METHOD
EP0849841A1 (en) * 1996-12-20 1998-06-24 Pouyet S.A. Method of making telephone or data terminal blocks and terminal block obtained by this process
DE19925654A1 (en) * 1999-06-04 2000-12-21 Quante Ag Connector block for high transmission rates has a casing, several pairs of contacts and appropriate opposing pairs of contacts serving to connect up with cable wires.
DE19925654C2 (en) * 1999-06-04 2001-10-18 Quante Ag Terminal block for high transmission rates
WO2007009729A1 (en) * 2005-07-21 2007-01-25 Adc Gmbh Insulation displacement plug-in connector and device for telecommunications and data technology
US7815439B2 (en) 2005-07-21 2010-10-19 Adc Gmbh Insulation displacement plug-in connector and device for telecommunications and data technology
WO2008012016A1 (en) * 2006-07-25 2008-01-31 Adc Gmbh Connector block
US7862388B2 (en) 2006-07-25 2011-01-04 Adc Gmbh Connector block with cable manager
US7901254B2 (en) 2006-07-25 2011-03-08 Adc Gmbh Connector block
US8210883B2 (en) 2006-07-25 2012-07-03 Adc Gmbh Connector block
CN101455091B (en) * 2006-07-25 2013-03-13 Adc有限公司 Connector block

Also Published As

Publication number Publication date
DE59406817D1 (en) 1998-10-08
RO112938B1 (en) 1998-01-30
CN1102510A (en) 1995-05-10
BR9402939A (en) 1995-04-11
ZA943974B (en) 1995-12-07
JPH0778655A (en) 1995-03-20
AU4624593A (en) 1995-03-09
US5494461A (en) 1996-02-27
CA2126582C (en) 1999-03-30
DE4325952A1 (en) 1995-02-02
HU9402196D0 (en) 1994-10-28
PL304454A1 (en) 1995-02-06
ES2121119T3 (en) 1998-11-16
NZ260668A (en) 1996-10-28
ATE170671T1 (en) 1998-09-15
RU2137273C1 (en) 1999-09-10
CZ180194A3 (en) 1995-02-15
SG43352A1 (en) 1997-10-17
MY112875A (en) 2001-10-31
KR100308713B1 (en) 2001-12-01
IL110403A (en) 1997-08-14
KR950004638A (en) 1995-02-18
DE4325952C2 (en) 1997-02-13
IL110403A0 (en) 1994-10-21
DK0637097T3 (en) 1999-05-31
HU216922B (en) 1999-10-28
PL175158B1 (en) 1998-11-30
RU94026266A (en) 1996-06-27
TW271505B (en) 1996-03-01
TR28187A (en) 1996-03-01
HUT71072A (en) 1995-11-28
CN1038082C (en) 1998-04-15
EP0637097B1 (en) 1998-09-02
CZ288818B6 (en) 2001-09-12
CA2126582A1 (en) 1995-01-28
AU674155B2 (en) 1996-12-12
HK1004725A1 (en) 1998-12-04

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