WO2013131744A1 - Système de filtre pour un raccordement de câble blindé - Google Patents

Système de filtre pour un raccordement de câble blindé Download PDF

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Publication number
WO2013131744A1
WO2013131744A1 PCT/EP2013/053294 EP2013053294W WO2013131744A1 WO 2013131744 A1 WO2013131744 A1 WO 2013131744A1 EP 2013053294 W EP2013053294 W EP 2013053294W WO 2013131744 A1 WO2013131744 A1 WO 2013131744A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact part
terminal
shield
support rail
shielded cable
Prior art date
Application number
PCT/EP2013/053294
Other languages
German (de)
English (en)
Inventor
Jens Oesterhaus
Helmut LOPA
Gernot BAHMS
Matthias Bönsch
Andreas Hähnel
Wolfgang NIETZSCH
Daniel FÄTH
Claudius CREMER
Christoph DEITERT
Torsten Wuensche
Original Assignee
Weidmüller Interface GmbH & Co. KG
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 Weidmüller Interface GmbH & Co. KG filed Critical Weidmüller Interface GmbH & Co. KG
Publication of WO2013131744A1 publication Critical patent/WO2013131744A1/fr

Links

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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • 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

Definitions

  • the present invention relates to a terminal for a Schirmlessnessklemman extract, having a first contact part, which is provided for electrically connecting a screen of a shielding cable, and with a second contact part, which is provided for electrically contacting a support rail.
  • the present invention further relates to a Schirmlessnessklemmann extract with the terminal, the shield cable and the mounting rail.
  • Screen cables are used in electrical engineering for signal lines to protect susceptible signals from electromagnetic radiation.
  • the shield In order to avoid electrical and / or magnetic interference on the signal line, the shield must be connected to a reference potential. For example, a grounding is suitable as reference potential.
  • connection terminal for a Schirmtivklemmano- rd Vietnamese with a first contact part, which is provided for electrically connecting a screen of a shielding cable, and with a second contact part, which is provided for electrically contacting a support rail, wherein the first contact part and the second contact part are connected to each other by a parallel circuit of a capacitor and a resistor.
  • the electrical connection to the mounting rail is therefore already integrated in the terminal.
  • grounding is already ensured if the mounting rail itself is earthed. Therefore, the mounting effort for grounding the shield cable is minimized.
  • the capacitor preferably has a small capacity. In this embodiment, it is suitable for deriving high-frequency interference signals. Further preferably, the capacitance of the capacitor is designed so that the capacitor for mains frequency, d. H. for a frequency of 50Hz or 60Hz, as high impedance as possible. This counteracts a compensation current across the screen.
  • the capacitor has a capacitance smaller than 500nF, more preferably about 1nF-200nF. Most preferably, it has a capacity of 100 nF.
  • the resistor is preferably designed high impedance. This prevents the capacitor from charging at DC or low voltage. More preferably, the resistance is 500kQ - 2 ⁇ . Most preferably, it is 1 ⁇ .
  • the object is further achieved with a Schirmtivklemman extract with such a terminal, a shield cable and a mounting rail, wherein the Umbrella cable has a screen which is electrically connected to the first contact part, and wherein the support rail is electrically connected to the first contact part.
  • the support rail is preferably connected to the reference potential, in particular to ground.
  • the shielding cable is earthed only by pushing the terminal over the parallel circuit and shielded an electrical conductor of the shielding cable effectively over the screen against electromagnetic interference.
  • FIG. 3 schematically a Erasmusnklemman extract with two inventive
  • the shield cable clamp arrangement of FIG. 1 comprises a connection terminal 1, a shielding cable 2 with at least one electrical conductor 21 and a screen 22, and a rail, here a support rail 4.
  • the terminal 1 has a first contact part 1 1, to which the screen 22 of the shielding cable 2 is electrically connected. Furthermore, the terminal 1 comprises a parallel circuit 13 of an ohmic resistor R and a Capacitor C, which is connected to the first contact part 1 1 electrically conductive. In addition, the terminal 1 comprises a second electrical contact part 12 which is electrically connected to the support rail 4. The mounting rail 4 is electrically connected to a reference potential 6, here to earth, connected.
  • the shield 22 of the shielding cable 2 is connected via the parallel circuit 13 from the capacitor C and the ohmic resistor R to the grounded mounting rail 4.
  • the capacitor C has a small capacitance, so that it derives high-frequency interference signals.
  • the capacitance of the capacitor C is preferably designed so that it is suitable for mains frequency, ie. H. for a frequency of 50Hz or 60Hz, has high impedance. As a result, balancing currents are prevented via the screen 22.
  • the parallel-connected resistor R is designed to be highly resistive in order to prevent the capacitor C from charging at DC voltage or low-frequency voltage. In this arrangement, high-frequency interference signals flowing via the screen 22 can flow away via the capacitor C.
  • Fig. 2 shows in (a) the terminal 1 in an exploded view.
  • the terminal 1 has an electrically insulating housing 15, to which the first contact part 1 1 and the second contact part 12 can be arranged.
  • the first contact part 1 1 and the second contact part 12 are connected by means of electrical conductors 14 to the parallel circuit 13.
  • the parallel circuit 13 can be inserted as a separate subassembly into a housing part 151 of the housing 15 in a joining direction 3 and can be fixed there, for example latched or screwed.
  • the terms parallel circuit 13 and separate module are therefore used synonymously below.
  • the capacitor C and the resistor R, which together form the parallel circuit are arranged on an electrical circuit board 131 by way of example.
  • an electrically insulating support member 1 15 is provided, to which the first contact part 1 1 is screwed example here. But it is also a jamming or latching of the first Contact part 1 1 on such a support member 1 15, or a direct arrangement of the first contact part 1 1 on the housing 15 is preferred.
  • the second contact part 12 is also exemplarily screwed directly to the housing 15 in this embodiment.
  • connection terminal 1 For arranging the connection terminal 1 on the support rail 4 (see Fig. 2 (b) - (e)) a spring-trained clamping bracket 124 is provided here,
  • this here has an electrically conductive U-shaped clamp 1 1 1 and an electrically conductive clamping rail 1 12, between which the shield cable 2 by means of the force of a spring 1 13, the here is designed as a spiral spring, can be clamped.
  • Fig. 2 shows in Figs. 2 (b) and (d) respectively the Schirmraitklemman extract 10 with arranged on the support rail 4, mount terminal 1 of Fig. 2 (a) and electrically connected to the first contact part 1 1 jammed Screen cable 2.
  • Fig. 2 (b) shows a front view
  • Fig. 2 (d) is a perspective view of the Schirmlessnessklemman whatsoever 10.
  • the housing 15 of the terminal 1 is not shown , As a result, the screwing of the first contact part 1 1 on the support member 1 15, the screwing of the second contact part 12 with the clamping bracket 124, and the bracing of the clamping bracket 124 to the support rail 4 visible in this illustration. Since the clamping bracket 124 is braced only on the mounting rail, the terminal 1 along the support rail 4 is displaceable.
  • the support rail 4 is exemplified in FIGS. 2 (b) - (d) hat-shaped, and in Fig. 2 (e) C-shaped. 2 (c) and FIG. 2 (e) show the terminal arranged on the mounting rail without the shielding cable arranged in the first contact part, in FIG. 2 (c) in a view from above, and in FIG. 2 (e) in a perspective rear view.
  • Fig. 3 shows a terminal block assembly 5 with a plurality of terminal blocks 51 which are arranged on a busbar 4.
  • the terminal blocks 51 are For example, I / O modules.
  • As a busbar 4 in principle, the same rails are used as for the mounting rails. 4

Landscapes

  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

La présente invention concerne une borne de raccordement pour un système de borne de câble blindé, comprenant une première partie de contact qui sert au raccordement électrique d'un blindage du câble blindé et une deuxième partie de contact qui sert à la mise en contact électrique d'un rail de support, la première partie de contact et la deuxième partie de contact étant reliées l'une à l'autre par un montage en parallèle composé d'un condensateur et d'une résistance ohmique. La présente invention concerne également un système de borne de câble blindé comprenant la borne de raccordement, un câble blindé et un rail de support, le câble blindé présentant un blindage qui est relié électriquement à la première partie de contact et le rail de support étant relié électriquement à la deuxième partie de contact.
PCT/EP2013/053294 2012-03-08 2013-02-19 Système de filtre pour un raccordement de câble blindé WO2013131744A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012100831U DE202012100831U1 (de) 2012-03-08 2012-03-08 Filteranordnung für einen Schirmkabelanschluss
DE202012100831.9 2012-03-08

Publications (1)

Publication Number Publication Date
WO2013131744A1 true WO2013131744A1 (fr) 2013-09-12

Family

ID=47748601

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/053294 WO2013131744A1 (fr) 2012-03-08 2013-02-19 Système de filtre pour un raccordement de câble blindé

Country Status (2)

Country Link
DE (1) DE202012100831U1 (fr)
WO (1) WO2013131744A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018203554A1 (de) 2017-03-16 2018-09-20 Icotek Project Gmbh & Co. Kg Schirmklemme

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002019475A1 (fr) * 2000-08-31 2002-03-07 Jang Ki Kwon Prise de courant electrique d'absorption d'interference electromagnetique
US20070093080A1 (en) * 2005-07-28 2007-04-26 Deutsch Engineered Connecting Devices Pin contact with direct in-line connection to equalization component
DE202009009833U1 (de) 2009-07-18 2010-12-02 Weidmüller Interface GmbH & Co. KG Anschlussvorrichtung für ein Schirmkabel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7416664U (de) * 1974-05-13 1974-11-14 Wago Kontakttechnik Gmbh Gehäuse für elektrische, schraubenlose Anschluß- und Verbindungsklemmen und mindestens einen Entladewiderstand
DE4106505C2 (de) * 1990-03-15 1994-01-27 Quante Ag Überspannung-Schutzgerät für hausübergreifende Datenleitungen
DE19502919C1 (de) * 1995-01-31 1996-05-09 Dehn & Soehne Erdung einer Anordnung aus der Abschirmung eines Schirmleiters und einem Überspannungsschutzgerät
DE29909411U1 (de) * 1999-06-01 2000-10-12 Weidmueller Interface Erdungseinrichtung für elektrische Geräte

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002019475A1 (fr) * 2000-08-31 2002-03-07 Jang Ki Kwon Prise de courant electrique d'absorption d'interference electromagnetique
US20070093080A1 (en) * 2005-07-28 2007-04-26 Deutsch Engineered Connecting Devices Pin contact with direct in-line connection to equalization component
DE202009009833U1 (de) 2009-07-18 2010-12-02 Weidmüller Interface GmbH & Co. KG Anschlussvorrichtung für ein Schirmkabel

Also Published As

Publication number Publication date
DE202012100831U1 (de) 2013-06-10

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