EP1133813A1 - Dispositif pour mettre en contact un conducteur electrique, notamment un cable plat - Google Patents

Dispositif pour mettre en contact un conducteur electrique, notamment un cable plat

Info

Publication number
EP1133813A1
EP1133813A1 EP99960898A EP99960898A EP1133813A1 EP 1133813 A1 EP1133813 A1 EP 1133813A1 EP 99960898 A EP99960898 A EP 99960898A EP 99960898 A EP99960898 A EP 99960898A EP 1133813 A1 EP1133813 A1 EP 1133813A1
Authority
EP
European Patent Office
Prior art keywords
contact
contacting
tongues
cable
contact element
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
EP99960898A
Other languages
German (de)
English (en)
Other versions
EP1133813B1 (fr
Inventor
Peter Vache
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP1133813A1 publication Critical patent/EP1133813A1/fr
Application granted granted Critical
Publication of EP1133813B1 publication Critical patent/EP1133813B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
    • 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
    • H01R12/675—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals with contacts having at least a slotted plate for penetration of cable insulation, e.g. insulation displacement contacts for round conductor flat cables

Definitions

  • the invention relates to a device for contacting an electrical line, in particular a ribbon cable with a contact element.
  • Such a device is required, for example, in the area of so-called energy bus systems in which a plurality of consumers, for example motors, etc., are connected to a ribbon cable with a plurality of line wires.
  • an electrical installation system which is formed by a ribbon cable and a connection device.
  • the ribbon cable essentially contains energy transmission wires arranged in one plane and non-twisted data transmission wires.
  • the energy and data transmission wires should be contacted with the connecting device without removing the cable sheath by piercing.
  • contact with the respective transmission core is made possible in order to avoid a short circuit via contact screws with additional electrical insulation.
  • the invention has for its object to provide a device for contacting an electrical line, which allows a safe contact of the electrical line even for higher currents in a simple manner.
  • a device for contacting an electrical line in particular a ribbon cable, with a contact element which has at least two contact tongues on the side facing the line, wherein the contact tongues are provided for penetrating the line to be contacted and are dimensioned and spatially offset with respect to one another with respect to the axis of the line to be contacted such that when the contact element penetrates into the inner conductor, single wires of an inner conductor of the line consisting of individual wires between the contact tongues are pressed, the individual wires of the inner conductor contacting the contact tongues both on a first inner contact surface and on a second outer contact surface.
  • the invention is based on the finding that a point-only contact is not sufficient for reliable contacting. As a rule, such a connection is neither mechanically sufficiently resilient nor can it ensure a frequently required high current carrying capacity.
  • the contact element is connected to the inner conductor of the line several times over a large area. In this case, the contact tongues formed on the contact element are pressed through the insulation of the electrical line to be contacted in such a way that the individual wires of the inner conductor are clamped on the one hand between the contact tongues and on the other hand additionally contact the outside of the contact tongues.
  • the device can be used both for single-core and multi-core lines with lines lying in one plane, and contacting can also be carried out under voltage without great effort.
  • the contact element essentially is U-shaped, the contact element having a first leg, on which the contact tongues are formed, and a second leg delimiting the depth of penetration of a first leg.
  • a splash-proof design of the device can be realized in that the device for contacting has a housing consisting of an electrically insulating material, the housing having a first recess for receiving the contact element and a second recess for receiving the line.
  • the housing has a third recess in the region of the contact element, which is arranged such that a conductor to be branched can be inserted through the third recess, an electrical connection of the conductor to be branched off to the contact element being effected in that a pressure piece which is displaceably mounted in the housing can be branched off Presses the conductor against the contact element, a safe and effective branch contact can be made.
  • a multiple clamping, fixing and thus large-area contacting of the contact tongues with the conductor to be contacted results from the fact that the contact tongues are designed as three fork-shaped staggered contact tongues, the contact tongues being provided for large-area clamping and contacting the inner conductor of the cable.
  • the housing several contact elements for contacting several conductors, in particular one Has ribbon cable, the contact elements being arranged according to the distance between the conductors to be contacted.
  • a particularly advantageous embodiment of the contact element which in particular also has a high current carrying capacity, is characterized in that three fork-shaped contact tongues are formed on the contact element, which are spatially offset from one another, as a result of which the inner conductor is pressed between the contact tongues and contacted over a large area.
  • FIG. 1 shows an embodiment of a device for contacting a ribbon cable
  • FIG. 2 shows a schematic diagram of a leg of a contact element with contact tongues from the front
  • FIG. 3 shows the leg of a contact element shown in FIG. 2 in plan view
  • FIGS. 2 and 3 shows the leg of a contact element shown in FIGS. 2 and 3 in a side view
  • FIG. 5 shows a schematic diagram for contacting a conductor with the aid of a contact element in plan view
  • FIG. 6 shows a schematic diagram for contacting a
  • Conductor with the help of a contact element in side view and 7 shows a schematic diagram of a device for contacting a ribbon cable with a motor.
  • FIG. 1 shows an exemplary embodiment of a device for contacting a ribbon cable 1.
  • the ribbon cable contains nine conductor wires 9, each of which has an inner conductor 12.
  • the device for contacting consists of a contact element 3 arranged in a housing 6, which is U-shaped and has a first leg 3a with molded-on contact tongues 8a, 8b, 8c and a second leg 3b.
  • the second leg 3b of the U-shaped contact element 3 contains no contact tongues and thus serves to limit the height when the contact tongues 8a, 8b, 8c penetrate into the inner conductor 12 of the line wire 9.
  • a pressure piece 4 is also provided, which consists of consists of an insulating material and is movably supported in the housing 6 by means of a screw 5 mounted in the pressure piece 4.
  • a thread 16 is provided in the housing 6, in which the pressure piece 4 is longitudinally displaceable when the screw 5 is turned.
  • the movement stroke of the pressure piece 4 is identified by the reference number 17.
  • the housing 6 also has a recess 7 in the region of the movement stroke 17 for the passage of a cable.
  • a further recess 13 is provided for receiving the ribbon cable 1.
  • the bottom part of the housing 6 is formed by a base plate 2, which is mounted in guide grooves of the housing.
  • the device for electrical contact shown in FIG. 1 is also particularly suitable for a higher power range, ie for larger line cross sections and higher currents.
  • the ribbon cable 1 is inserted into the housing 6, for example after the base plate 2 has been removed.
  • the geometric arrangement of the contact element 3 with molded-on contact tongues 8a, 8b, 8c is Dimensioned according to the arrangement pattern of the line wires to be contacted.
  • the contact element 3 is located in the upper region of the movement stroke 17, ie the screw 5 with the mechanically coupled pressure piece 4 is also located at the top, as shown in FIG. 1.
  • the contacting process takes place by simply screwing in the screw 5.
  • the contact tongues 8a, 8b, 8c of the first leg 3a of the contact element 3 penetrate the insulation of the ribbon cable 1 and the insulation 9 of the line core 2, 12.
  • the contact tongues 8a, 8b, 8c have contacted the inner conductor 12 of the line wires 9, 12 in this state.
  • the individual contact tongues 8a, 8b, 8c are designed as three fork-shaped contacts which are offset from one another.
  • the inner conductor 12 is fixed, clamped and contacted several times by the contact tongues 8a, 8b, 8c, ie over a large area both on the inner contact surfaces and on the outer contact surfaces. Due to the large-area contacting, the device shown in FIG. 1 is particularly suitable even at higher currents, ie the device has a high current carrying capacity.
  • Contacting a laterally inserted cable 15 is possible via the recess 7 in the housing 6. The cable 15 can be contacted with the contact element 3 and thus with the inner conductor 12 in such a way that the inner conductor of the cable 15 is pressed against the contact element 3 with the aid of the pressure piece 4.
  • FIG. 2 shows a basic illustration of a leg 3a of a contact element, as is used, for example, in the device shown in FIG. 1.
  • the leg 3a has three contact tongues 8a, 8b, 8c which are offset from one another in the form of a fork.
  • the three fork-shaped contacts have proven to be particularly suitable for safely and permanently contacting an inner conductor.
  • the reason for this essentially lies in the fact that the inner conductor is fixed, clamped and contacted several times over a large area by the three fork-shaped contact tongues 8a, 8b, 8c which are offset with respect to one another.
  • the contact tongues 8a, 8b, 8c have the inlet bevels on the inside, as a result of which the inner conductor to be contacted is pressed or squeezed in a meandering manner between the offset opposite contact tongues.
  • This does not create a point-like contact, as is known from other insulation displacement technology, but the type of contacting represents a stable contact transition even for high currents.
  • the contact transition can also be subjected to high mechanical loads.
  • Figure 3 shows the leg 3a shown in Figure 2 in plan view. It can be seen that the contact tongues 8a, 8b, 8c have run-in bevels on the inside, between which the inner conductor can press in over a large area during the crimping process.
  • Figure 4 shows the leg 3a shown in Figures 2 and 3 in a side view. It can be seen here that the contact tongues 8a, 8b, 8c also have a bevel downward, for example a bevel angle of 20-25 °. This promotes an exact cutting of the insulation during the contacting process.
  • FIG. 5 and FIG. 6 show a basic illustration of a line 9 contacted with the aid of a contact element in plan view (FIG. 5) and in side view (FIG. 6).
  • the Line 9 consists of an inner conductor 12 and an insulating sleeve 9a, the inner conductor 12 having a multiplicity of individual conductors 19a, 19b.
  • the contact tongues 8a, 8b, 8c are shown of the contact element in the view shown in FIG.
  • the contact tongues 8a, 8b, 8c each have contact tips 8d shown in a circle, as well as inner contact surfaces 8f and outer contact surfaces 8e.
  • Inner single wires 19b run between the contact tongues 8a, 8b, 8c and contact the inner contact surfaces 8f, while outer single wires 19a run between the contact tongues 8a, 8b, 8c and the insulating sleeve 9a and contact the outer contact surfaces 8e.
  • the contact element Due to the contacting principle shown in FIG. 5 due to the spatially offset arrangement of the contact tongues, the contact element is connected to the inner conductor 12 of the line 9 several times over a large area.
  • the molded on the contact element contact tongues 8a, 8b, 8c are pressed by the insulation of the electrical line to be contacted in such a way that the individual wires 19a, 19b of the inner conductor 12 are clamped on the one hand between the contact tongues 8a, 8b, 8c.
  • the offset opposite contact tongues 8a, 8b, 8c result in a meandering course of the inner individual wires 19b of the inner conductor 12.
  • Figure 7 shows a schematic diagram of a device for
  • a connection box 18 is provided on the motor 10, on which different insulated lines 15 are led out.
  • the lines 15 are used to make contact with the ribbon cable 1.
  • plug connections can also be provided.
  • a number of contact elements corresponding to the number of conductors of the ribbon cable 1 is provided in a housing 6. Only the screws 5 can be seen from the outside, which use a pressure piece to make contact with the contact elements with the respective conductors 12 of the ribbon cable 1. The contacting process takes place in the manner already described in connection with FIG. 1. Instead of the lines 15, plug connections can also be provided.
  • the contacting device shown in FIG. 7 is used, for example, in connection with a so-called energy bus system. Both a power supply and data coupling with devices to be connected, for example motors, etc., take place via a corresponding contacting device.
  • the contacting principle shown in FIGS. 1-5 can also be carried out without great effort, for example when retrofitting and expanding such an energy bus system.
  • the invention thus relates to a device for making electrical contact with an electrical line 9, in particular a ribbon cable 1.
  • a device for making contact is required, for example, in a so-called energy bus system in which various components, for example motors, control devices, etc., are connected to both Power supply as well as the multi-core cable providing the control function can be connected.
  • a device for electrical contact with a contact element 3 which has at least two contact tongues 8a, 8b, 8c on the side facing the line, the contact Timing tongues for penetrating the line 9 to be contacted are provided and are spatially offset from one another with respect to the axis of the line 9 to be contacted such that an inner conductor 12 of the line 9 to be contacted is pressed between the contact tongues 8a, 8b, 8c.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

L'invention concerne un dispositif pour mettre en contact un conducteur électrique (9), notamment un câble plat (1). Un tel dispositif est nécessaire par exemple dans le cas d'un système de barre omnibus dans lequel différents composants, par exemple des moteurs, des unités de commande etc., sont raccordés à un conducteur multifilaire assurant aussi bien une alimentation en tension qu'une fonction de commande. L'invention vise à assurer un contact fiable, approprié également pour des courants d'intensité élevée. A cet effet, le dispositif de mise en contact électrique présente un élément de contact (3) comportant, du côté orienté vers le conducteur, au moins deux lames de contact (8a, 8b, 8c). Ces dernières sont conçues pour pénétrer dans le conducteur (9) avec lequel le contact doit être établi, et sont décalées mutuellement par rapport à l'axe dudit conducteur (9) de sorte qu'un conducteur interne (12), avec lequel le contact doit être établi, du conducteur (9), est comprimé entre les lames de contact (8a, 8b, 8c).
EP99960898A 1998-11-24 1999-11-11 Dispositif pour mettre en contact un conducteur electrique, notamment un cable plat Expired - Lifetime EP1133813B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19854200A DE19854200A1 (de) 1998-11-24 1998-11-24 Vorrichtung zum Kontaktieren einer elektrischen Leitung, insbesondere einer Flachbandleitung
DE19854200 1998-11-24
PCT/DE1999/003596 WO2000031834A1 (fr) 1998-11-24 1999-11-11 Dispositif pour mettre en contact un conducteur electrique, notamment un cable plat

Publications (2)

Publication Number Publication Date
EP1133813A1 true EP1133813A1 (fr) 2001-09-19
EP1133813B1 EP1133813B1 (fr) 2003-09-17

Family

ID=7888855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99960898A Expired - Lifetime EP1133813B1 (fr) 1998-11-24 1999-11-11 Dispositif pour mettre en contact un conducteur electrique, notamment un cable plat

Country Status (3)

Country Link
EP (1) EP1133813B1 (fr)
DE (2) DE19854200A1 (fr)
WO (1) WO2000031834A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19944312C1 (de) * 1999-09-15 2001-04-05 Siemens Ag Vorrichtung zum Kontaktieren einer elektrischen Leitung, insbesondere einer Flachbandleitung
DE10039202B4 (de) * 2000-08-10 2005-01-05 Siemens Ag Schneidklemmeinrichtung
DE20119836U1 (de) * 2001-12-06 2003-04-10 Weidmueller Interface Steckeranschluß für Flachbandkabel
DE10205470C1 (de) * 2002-02-08 2003-08-14 Wieland Electric Gmbh Anschlusskontakt
EP1437803A1 (fr) * 2003-01-09 2004-07-14 Feelux Co., Ltd. Connecteur d' alimentation pour tube fluorescent
DE102004037997A1 (de) * 2004-08-04 2006-03-16 Wago Verwaltungsgesellschaft Mbh Elektrischer Abzweig-Anschlußverbinder
GB2419240A (en) * 2004-10-15 2006-04-19 Tt Electronics Plc Connector for multicore cable with positionable pin
JP2008541397A (ja) * 2005-05-20 2008-11-20 オーチス エレベータ カンパニー 導電部材を貫通する電気コネクタ
DE202005014718U1 (de) * 2005-09-17 2007-02-01 Weidmüller Interface GmbH & Co. KG Anschluß-System zur Realisierung von Abzweigungen an durchgehenden Leitern
DE102007029047A1 (de) * 2007-06-21 2008-12-24 Phoenix Contact Gmbh & Co. Kg Anschlußvorrichtung für ein Flachkabel und Betätigungswerkzeug zur Verwendung bei einer Anschlußvorrichtung
IT1396197B1 (it) * 2009-10-08 2012-11-16 Palazzoli Spa Cassetta di derivazione, particolarmente per linee di illuminazione per gallerie
DE102010014531A1 (de) * 2010-04-10 2011-10-13 Woertz Ag Anschlussvorrichtung und Installationssatz für eine elektrische Installation mit Funktionserhalt im Brandfall
DE102010014532A1 (de) 2010-04-10 2011-10-13 Woertz Ag Brand-Funktionserhaltkabel und Installationssatz für eine elektrische Installation mit Funktionserhalt im Brandfall
DE102010014530A1 (de) 2010-04-10 2011-10-13 Woertz Ag Flachkabel-Umlenkvorrichtung und Installationssatz für eine elektrische Installation mit Funktionserhalt im Brandfall

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720778A (en) * 1972-03-28 1973-03-13 Woertz O Inh H & Woertz O Electric ribbon cable and connector assembly
CH559433A5 (fr) * 1972-11-28 1975-02-28 Sprecher & Schuh Ag
FR2666934B1 (fr) * 1990-09-14 1994-11-18 Chromex Sa Dispositif de connexion electrique.
AU6887398A (en) * 1997-04-10 1998-10-30 Whitaker Corporation, The Power cable tap connector

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0031834A1 *

Also Published As

Publication number Publication date
WO2000031834A1 (fr) 2000-06-02
DE19854200A1 (de) 2000-06-15
DE59907054D1 (de) 2003-10-23
EP1133813B1 (fr) 2003-09-17

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