EP1366543B1 - Element de contact, borne de connexion comprenant un element de contact et procede pour mettre en contact un conducteur et un element de contact - Google Patents

Element de contact, borne de connexion comprenant un element de contact et procede pour mettre en contact un conducteur et un element de contact Download PDF

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Publication number
EP1366543B1
EP1366543B1 EP02719668A EP02719668A EP1366543B1 EP 1366543 B1 EP1366543 B1 EP 1366543B1 EP 02719668 A EP02719668 A EP 02719668A EP 02719668 A EP02719668 A EP 02719668A EP 1366543 B1 EP1366543 B1 EP 1366543B1
Authority
EP
European Patent Office
Prior art keywords
conductor
recess
contact element
insulation
base plate
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
EP02719668A
Other languages
German (de)
English (en)
Other versions
EP1366543A2 (fr
Inventor
Wolfgang Leitl
Christoph Weber
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 EP1366543A2 publication Critical patent/EP1366543A2/fr
Application granted granted Critical
Publication of EP1366543B1 publication Critical patent/EP1366543B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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

Definitions

  • the invention relates to a contact piece with a Basic body, which has a recess for receiving a conductor and continues to a terminal with a Contact piece and a method for contacting a Ladder with a contact piece.
  • a contact piece of the aforementioned type is generally used for connecting an electrical conductor. This happens by contacting a conductor core and possibly by a the contacting previous penetration of a conductor insulation.
  • the contacting can also be used in conjunction with take further contact or clamping means.
  • the application area extends from the installation manual to the telecommunication technology.
  • Usual contact or clamping means such as a Terminal, a cutting terminal or a insulation displacement contact be equally for the connection of electrical Ladders used. In terms of economy It is the manufacture of contact or clamping means Desirable as few and as simple components as possible use. On the other hand, it is necessary a adequate and safe contacting of the electrical conductor by a contact or clamping means bring about.
  • a terminal consists of a clamp body of band-shaped material.
  • the clamp body forms a support for a to be connected Ladder. Furthermore, the clamping body has a Clamping screw, which is guided in a thread in the clamping body is.
  • the clamp body guides the clamping screw in the center of the strip material. Lateral thighs are under the leadership of Retaining screw bent back to approximate contact at its end and have recesses in their flanks, which leave a bridge as a support. This terminal can be considered constructive in the category the socket or ironing clamps are arranged.
  • a so-called cutting clamp for contacting a with insulation sheathed electrical conductor wire is disclosed in DE 86 04 746 U.
  • the cutting clamp is made from two, at a given mutual distance parallel aligned cutting inserts with a vertical, open at the top and funnel-shaped at the open end expanded slot for pressing the conductor wire.
  • the inserts have on their the Slot opening opposite end a common bottom plate on, on one side in a connecting element, For example, a spring contact, passes.
  • the one with Insulation sheathed electrical conductor wire is so open End pressed into the funnel-shaped widened slot, that isolation through the parallel to each other aligned cutting plates is separated. This will come the cutting plates in contact with the conductor wire and It creates an electrically conductive contact.
  • a cable connector is also known, the two provided with cutting edges extensions and a Has screw, wherein the cutting edges when tightening the Screw the plastic insulation of an electric cable penetrate and contact this mechanically and electrically.
  • clamp body of the terminals also applies to the common variants of insulation displacement connectors that complex shapes can lead to an increase in production costs.
  • common insulation displacement terminals also fall during the clamping process resulting clamping forces and contact surfaces between the conductor core and contact piece may be relatively low.
  • a contact piece specify, which for a simple and therefore cost is to produce and on the other a sufficient Contacting between a conductor core and the contact piece guaranteed. Furthermore, an associated terminal with the contact piece and a method for contacting a Ladder can be specified with the contact piece.
  • the contact piece can be based on simpler and thereby produce monetarily favorable production steps or implement. Equally simple and cheap fall accordingly the production tools from, for example, no cutting edge as is necessary with a cutting clamp.
  • Ladder soul serves not least by a sufficiently large and constant contact pressure of a sufficient contact.
  • the contact resistance is kept low, what an inadmissible warming of the junction and Furthermore, prevents an adverse voltage drop.
  • a Such contacting is also referred to as cold contacting, wherein a material connection by means of solder or the like is not necessary.
  • the recess is on the contact piece as a slot and in a further embodiment of the Invention designed as a groove.
  • the recess of the Contact piece be sized so that the conductor partially or completely recorded. Furthermore, the recess the contact piece is closed or open.
  • the contact piece for different conditions and requirements regarding the installation size and -Layer, contact and conductor material, to be designed and thus represents a very creative and adaptable Contact means dar. Furthermore, created by this type of Connection a surface and gas-free contact, which only causes a slight notch stress in the conductor because without a radially incising tool in the conductor insulation the conductor core is clamped.
  • a link on Base body of the contact piece arranged, wherein the main body suitably of an electrically conductive material is formed.
  • the link as well as the electrical conductive material of the main body serve a simple and appropriate use on or in a device, a switching element or a similar unit.
  • the base body has at least one fold. This serves in particular to increase the rigidity of the contact piece, whereby both large conductor cross sections as well hard conductor materials used and also high clamping forces can be effective.
  • the clamping frame has a one-piece Profile on. This results in a considerable savings potential with regard to production materials to be provided, -means and times.
  • clamping means as a clamping screw or lever, which has proven in practice many times, any executable and investschonende clamping means for use come.
  • the clamping frame is at least with another, serving as a receiving space, recess provided with a first section for inserting a another insulated conductor and one at the first section having adjacent second tapered portion, which in its diameter is dimensioned such that when activated Clamping means the insulation of the conductor on its flanks interrupted and an electrically conductive contact between Base body and the conductor is made.
  • This further Recess has at least approximately the shape of a keyhole.
  • FIG 1 is a contact piece 1 with a male first Ladder L1 shown in a spatial representation.
  • the contact piece 1 essentially comprises a basic body 2, which is of an electrically conductive material is formed and an outer cuboid shape, similar to a rectangular plate having.
  • the main body 2 is provided with a recess 3, which serves to receive the first conductor L1.
  • the recess 3 is executed here as a slot, this being continuous Opening, so as a breakthrough, formed on the base body 2 is.
  • the recess 3 can also be used as a groove or Also designed as a bag long hole and for different Head diameter can be provided.
  • the recess 3 can be closed or opened at its periphery be designed. Furthermore, the main body 2 in different profiles, e.g. U- or C-shaped executed be.
  • the recess 3 is parallel to the two longitudinal edges of the Body 2 aligned. It can have one at both ends Radius have. On both sides are in the longitudinal direction of the recess 3 legs 5 are formed, which correspond to the recess 3 form-related contours, of which at least a contour has a longitudinal edge 4.
  • the longitudinal edge 4 serves as shear, cutting, stripping, displacement or also interruption edge.
  • the male first conductor L1 is parallel to the axis and in the The longitudinal direction of the recess 3 partially, completely or overlapping on the recess 3 placeable.
  • the recess 3 is for at least partial longitudinal recording of the first formed to be received conductor L1.
  • the recess 3 is also dimensioned such that the conductor L1 partially or can be completely absorbed in its diameter.
  • a ladder usually consists of a ladder core and possibly from a conductor insulation arranged above together. This results in a diameter for the conductor core and a diameter for the conductor insulation.
  • the recording the conductor core ie the corresponding diameter of essential relevance.
  • the leg 5 and the diameter of the conductor core can with clamped conductor an occurring spring effect of Leg 5 are used effectively contact.
  • the longitudinal edge 4 can also be on both longitudinal sides of the recess 3 are provided, with different edge shapes and expressions, such as a sawtooth, a wave or a cutting edge are possible. That way recorded conductor L1 through the recess 3 formed leg 5 of the body 2 with the recorded first conductor L1 an electrically conductive pressure connection ago.
  • Areas of application of such a contact piece may vary from an application for cable lugs for use with equipment and circuit breakers for use in bus connection technology extend.
  • FIG. 2 shows a connection terminal 9 associated contact piece 1a in a side view, the terminal 9 as well as the contact piece 1 in a housing section GA are arranged.
  • the contact piece 1 Can be used with any type and type of terminal be, e.g. with a flat or flat terminal, with a female or U-clamp as well as with a clamp clamp.
  • the housing section GA can be part of a terminal, Switch or circuit breaker housing or possibly to a Housing a DIN rail mounted device belong.
  • the connection terminal 9 shown here comprises a clamping frame 10, which consists of a band-shaped material and the guide side is designed such that given a spring action is.
  • the clamping frame 10 with a conventional profile to be designed by characterized a largely straight profile profile is.
  • the clamping frame 10 is provided with an internal recess 12 provided for at least a first conductor L1 serves as a recording room.
  • the clamping frame 10 which is a einschenkliges Profile has a contact piece 1a, accordingly the above statements, arranged.
  • the clamping frame 10 has on one side a guide 11 for a clamping means 13 arranged therein, in particular a Clamping screw, on and is opposite to one side other side with a run 14 for the first Head L1 provided by an internal surface the recess 12 is formed.
  • the clamping means 13 extends starting from the guide 11 in the direction of the support 14th and in the region of the support 14 substantially in the plane of the thigh.
  • the main body 2 of the contact piece la has a connecting member 6 for connection purposes.
  • the connecting member 6 is designed as an L-shaped extension on the base body 2 and serves for positive and / or non-positive connection with a another electrical conductor or another component.
  • the connecting member 6 may optionally adapted to the housing shape Have shape.
  • clamping means 13 fixes the first insulated conductor L1 interrupting its insulation at least non-positive and electrically conductive in the recess.
  • the clamping means 13 can be used as a clamping screw, lever, eccentric and as a clamping or firing pin be executed.
  • this has at least one Folding, wherein the fold is U-shaped and the two resulting elements 8 parallel to each other and are arranged close to each other.
  • the Elements 8 of the main body 2 are located in the recess 12 in approximately centrally below the clamping means 13, wherein this orthogonal on one of the two elements 8 is effective.
  • the guide 11 facing side of the contact piece la is the aligned transversely to the monospecific profile recess 3 so arranged that the clamping means 13 to the center of a contact zone the contact piece 1 acts.
  • the recess 3 is introduced in a leg 5 of the base body 2.
  • the clamping frame 10 has between an underside of the contact piece 1a and the pad 14 an additional receiving space for a second conductor L2.
  • This conductor L2 is in all rule before introduction into the clamping frame 10 already stripped and can be clamped in a conventional manner.
  • the second conductor L2 can also be independent of the first conductor L1 be clamped.
  • the clamping is done by a so-called Elevator principle, in which the clamping means 13 and also the Contact piece la remain in their position, but the clamping frame 10 - similar to an elevator, so along a defined Railway - in the direction of the clamping means 13 against a Pressure piece or even against a contact point is moved.
  • FIG. 3 shows the terminal 9 with associated contact piece 1a in front view, wherein the first conductor L1 - dashed lines - initially introduced. Farther is the broken and displaced insulation of the conductor L1 side of the clamping means 13 as well as the pressed and thereby clamped conductor core shown. By the force K, the via the clamping means 13 on the first conductor L1 effective u.U. also directly under the clamping means 13th arranged insulation of the conductor L1 interrupted and displaced which makes another contact.
  • FIG. 3 can also be seen as a side view of a clamping frame conventional construction are interpreted. there the clamping frame is formed from a bent strip material.
  • Figures 4 and 5 show the terminal 9 without clamping means with at least one other, serving as a recording room, Recess 15 in a side or front view.
  • leg-side extension of the clamping frame 10th the terminal 9 on the one hand a plug-in protection for Ladder and on the other hand additional space for further functions given.
  • the terminal A has a first section A1 for a conductor to be inserted and one to the first section A1 adjacent second, tapered section A2 on.
  • This further recess 15 has at least approximately the shape of a keyhole.
  • This second section A2 is in its diameter in such a way dimensioned that when activated clamping means 13, the isolation the conductor to be inserted interrupted at its flanks and an electrically conductive contact between the base body 2 and the conductor core is made.
  • the second section A2 can with cutting, edges or with a toothing for the better Be provided interruption of the conductor insulation.
  • the conductor to be inserted can be independent of the first or second conductor L1, L2 are clamped.
  • the clamping takes place by a so-called elevator principle, in which the clamping means 13 remains in its position, however, the clamping frame 10th - similar to an elevator, so along a defined Path - in the direction of the clamping means 13 against a pressure piece or even moved to a contact point.
  • the introduced This inevitably leads the leader from the first section A1 pressed into the second section A2, the conductor insulation separated and contacted the conductor core.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Multi-Conductor Connections (AREA)
  • Clamps And Clips (AREA)
  • Contacts (AREA)

Claims (14)

  1. Elément de contact (1) doté d'un corps de base (2) comportant un évidement (3) pour recevoir un premier conducteur (L1) ;
    l'évidement (3) étant constitué de manière à recevoir au moins en partie dans la longueur le premier conducteur (L1) ;
    au moins une arête longitudinale (4) de l'évidement (3) étant constituée pour couper l'isolation du premier conducteur (L1) ;
       et les branches (5) du corps de base (2) formés par l'évidement (3) établissant dans le premier conducteur (L1) reçu une liaison par compression électriquement conductrice avec le conducteur.
  2. Elément de contact (1) selon la revendication 1, l'évidement (3) étant constitué comme un trou oblong.
  3. Elément de contact (1) selon la revendication 1, l'évidement (3) étant constitué comme une rainure.
  4. Elément de contact (1) selon l'une quelconque des revendications 1 à 3, l'évidement (3) étant dimensionné de manière à recevoir tout ou partie du conducteur (L1).
  5. Elément de contact (1) selon l'une quelconque des revendications 1 à 4, l'évidement (3) étant fermé ou ouvert.
  6. Elément de contact (1) selon l'une quelconque des revendications 1 à 5, un élément de liaison (6) étant disposé sur le corps de base (2) dans un but de connexion.
  7. Elément de contact (1) selon l'une quelconque des revendications 1 à 6, le corps de base (2) étant formé de manière appropriée à partir d'un matériau électriquement conducteur.
  8. Elément de contact (1) selon la revendication 7, le corps de base (2) comportant au moins un pli (7).
  9. Borne de connexion (9) comportant un élément de contact (1) selon l'une quelconque des revendications 1 à 8,
    ayant un cadre de serrage (10) comportant un évidement (12) intérieur servant d'espace de réception d'au moins un premier conducteur (L1);
    les moyens de serrage (13) disposés sur le cadre de serrage (10) immobilisant au moins par frottement et de manière électriquement conductrice un premier conducteur (L1) isolé en coupant son isolation dans l'évidement (3).
  10. Borne de connexion (9) selon la revendication 9, le cadre de serrage (10) comportant un profilé à une branche.
  11. Borne de connexion (9) selon l'une quelconque des revendications 9 ou 10, les moyens de serrage (13) étant constitués comme une vis ou un levier de serrage.
  12. Borne de connexion (9) selon l'une quelconque des revendications 9 à 11, le cadre de serrage (10) étant au moins pourvu d'un autre évidement (15) servant d'espace de réception, l'évidement comportant un premier segment pour guider un autre conducteur (L3) isolé et un deuxième segment effilé jouxtant le premier segment, le deuxième segment étant dimensionné dans son diamètre de manière à ce que l'isolation de l'autre conducteur (L3) soit coupée sur ses flancs lorsque les moyens de serrage (13) sont activés et qu'un contact électriquement conducteur soit établi entre le corps de base (2) et l'autre conducteur (L3).
  13. Borne de connexion (9) selon la revendication 12 ;
       l'autre évidement (15) ayant à peu près au moins la forme d'un trou de serrure.
  14. Procédé pour mettre en contact un premier conducteur (L1) et un élément de contact (1) ;
       le premier conducteur (L1) étant orienté le long de l'évidement (3) lors d'une première étape ;
    une force (F) s'exerçant sur le premier conducteur (L1) et sur son isolation dans une direction approximativement perpendiculaire à l'axe longitudinal de l'évidement (3) lors d'une deuxième étape ;
    l'isolation du premier conducteur (L1) étant coupée sur au moins une arête longitudinale (4) de l'évidement (3),
    une partie électriquement conductrice du premier conducteur (L1) étant mise en contact par au moins une arête longitudinale (4) de l'évidement (3) ; et
    les branches (5) du corps de base (2) formées par l'évidement (3) établissant, lorsque le premier conducteur (L1) est reçu, une liaison par compression électriquement conductrice avec le conducteur.
EP02719668A 2001-03-08 2002-03-04 Element de contact, borne de connexion comprenant un element de contact et procede pour mettre en contact un conducteur et un element de contact Expired - Lifetime EP1366543B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10111190A DE10111190B4 (de) 2001-03-08 2001-03-08 Anschlussklemme mit Kontaktstück
DE10111190 2001-03-08
PCT/DE2002/000785 WO2002073745A2 (fr) 2001-03-08 2002-03-04 Element de contact, borne de connexion comprenant un element de contact et procede pour mettre en contact un conducteur et un element de contact

Publications (2)

Publication Number Publication Date
EP1366543A2 EP1366543A2 (fr) 2003-12-03
EP1366543B1 true EP1366543B1 (fr) 2005-05-25

Family

ID=7676744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02719668A Expired - Lifetime EP1366543B1 (fr) 2001-03-08 2002-03-04 Element de contact, borne de connexion comprenant un element de contact et procede pour mettre en contact un conducteur et un element de contact

Country Status (5)

Country Link
US (1) US7025622B2 (fr)
EP (1) EP1366543B1 (fr)
CN (1) CN1284275C (fr)
DE (2) DE10111190B4 (fr)
WO (1) WO2002073745A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002950339A0 (en) * 2002-07-23 2002-09-12 Krone Gmbh Patch cord connector
FR2902239B1 (fr) * 2006-06-09 2008-11-28 Legrand France Borne de connexion auto-denudante d'un conducteur electrique isole et appareillage elelctrique comportant une telle borne
FR2986664B1 (fr) * 2012-02-03 2014-02-14 Abb France Borne de raccordement electrique
US9812829B1 (en) * 2016-11-10 2017-11-07 Schneider Electric USA, Inc. Wiring connector for two wire to two point connection
CN108429020B (zh) * 2017-04-19 2020-02-14 深圳市富兴易翔机电设备有限公司 强电单级连接器结构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE722901A (fr) 1968-10-25 1969-04-01
AU5574573A (en) * 1972-05-30 1974-11-21 Amp Inc Electrical contact elements and connectors electrical contact elements and connectors
GB1438657A (en) * 1972-08-23 1976-06-09 Post Office Electrical connectors
FR2304193A1 (fr) 1975-03-13 1976-10-08 British Insulated Callenders Connecteurs de cables electriques
DE2643471C3 (de) * 1976-09-27 1980-08-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anschlußklemme, insbesondere für Schutzschalter wie Leitungsschutzschalter oder Fehlerstromschutzschalter
DE2825121C2 (de) * 1978-06-08 1982-12-09 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Lösbare Leiterverbindung für den Anschluß von profilierten Kabelleitern an Flachschienen
DE3216096A1 (de) 1982-04-30 1983-11-03 Wilhelm Quante Spezialfabrik für Apparate der Fernmeldetechnik GmbH & Co, 5600 Wuppertal Reihenklemme fuer fernmeldekabeladern
GB8600285D0 (en) 1986-01-07 1986-02-12 B & H Nottingham Ltd Cable clamps
DE8604746U1 (de) * 1986-02-21 1986-04-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schneidklemme
DE3820074A1 (de) * 1988-06-13 1989-12-14 Siemens Ag Klemmelement
DE3832497C1 (fr) 1988-09-22 1989-04-20 Krone Ag, 1000 Berlin, De
DE4203455C1 (fr) * 1992-02-07 1993-06-03 Harting Elektronik Gmbh, 4992 Espelkamp, De

Also Published As

Publication number Publication date
EP1366543A2 (fr) 2003-12-03
DE10111190B4 (de) 2005-02-03
DE10111190A1 (de) 2002-10-10
US7025622B2 (en) 2006-04-11
WO2002073745A3 (fr) 2003-06-19
CN1524322A (zh) 2004-08-25
CN1284275C (zh) 2006-11-08
US20050020145A1 (en) 2005-01-27
DE50203195D1 (de) 2005-06-30
WO2002073745A2 (fr) 2002-09-19

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