EP2145364A1 - Connecteur isolé pour câble - Google Patents

Connecteur isolé pour câble

Info

Publication number
EP2145364A1
EP2145364A1 EP08758011A EP08758011A EP2145364A1 EP 2145364 A1 EP2145364 A1 EP 2145364A1 EP 08758011 A EP08758011 A EP 08758011A EP 08758011 A EP08758011 A EP 08758011A EP 2145364 A1 EP2145364 A1 EP 2145364A1
Authority
EP
European Patent Office
Prior art keywords
section
closure element
cable connector
receiving
insulated cable
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.)
Withdrawn
Application number
EP08758011A
Other languages
German (de)
English (en)
Inventor
Kai-Uwe Bentkowski
Gerald Jacob
Jürgen PILLING
Jens Hofmann
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.)
Cellpack GmbH
Original Assignee
Cellpack 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 Cellpack GmbH filed Critical Cellpack GmbH
Publication of EP2145364A1 publication Critical patent/EP2145364A1/fr
Withdrawn legal-status Critical Current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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • 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
    • H01R4/70—Insulation of connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases

Definitions

  • the invention relates to an insulated cable connector for the production of cable sets with self-retaining, electrically insulating closure, for example for receiving the ends of cables.
  • cable connectors are used for the electrical connection of cable sections or ends.
  • Generic cable connectors are usually formed in one or more parts and have at each end an opening for receiving a cable core. Subsequent applied shrink tubing, coupling sleeves or Isolier analysessysteme serve the electrical insulation, the prevention of moisture ingress and as a mechanical protection for the cable connection.
  • the electrical contact and the mechanical fixation of the ends between the cable cores to be connected and the cable connector are either by a cold deformation, z. B. hexagonal pressing, or realized by means of a clamping connection using suitable fasteners.
  • the crimp connections immanent that for each conductor cross-section of the cable, a special cable connector is necessary because the frontal openings of the cable connector must be adapted to the outer diameter of the cable core in order to obtain a permanently functional contact by the lateral compression.
  • screw connectors however, multi-range solutions from the prior art are already known.
  • EP 0 563 164 discloses an electrical connector having a plurality of sockets, each socket adapted to receive the end of an electrical conductor.
  • at least one of the two bushes comprises an open channel element, in which the conductor can be inserted laterally, a cover for enclosing the laterally inserted Conductor and a sleeve member which is capable of fitting the open channel element and cover.
  • This electrical connector in its entirety forms a cylindrical body with a constant cross section in the central region.
  • the disadvantage of this solution is that an additional sleeve element is required for the clamping, which on the one hand increases the manufacturing cost of the electrical connector sensitive.
  • the sleeve element must be brought to a parking position on the corresponding end of the cable core before mounting, which requires increased attention of the installer during installation.
  • thick-walled cable insulation may require removal of a layer of core insulation.
  • this electrical connector has the disadvantage that the screws provided for positioning the sleeve must be removed from the threaded bore of the cover. There is a risk of contamination of the factory greased thread, which hinders the reintroduction of the screws if necessary.
  • an electrical connector is already known, which is composed of two separate half-shells, which have receiving spaces for the electrical conductor. Each shell is equipped with a solid block in its center, which has a hole for receiving a screw. The half shells together with their blocks form opposite abutments. The required contact force is applied via a single screw, which extends through both half-shells, and these pressed together when screwing against each other. The electrical conductors are automatically clamped between the half shells.
  • the disadvantage of this solution is that the necessary for the proper mechanical and electrical function of the electrical connector force is applied only by a single screw.
  • electrical connectors which consist of an open shell into which the conductors of the cables to be connected are inserted.
  • the cups are closed by cover members from the ends of the connector.
  • cover elements and shell part have a complementary dovetail guide system.
  • the lid parts have holes that can accommodate a means for attaching the ladder.
  • a disadvantage of this type of connectors is that the cover elements must be inserted from the ends of the connector. Depending on the strength of the core insulation, a suitable mounting space must be provided and thus the conductor placed over a greater distance.
  • DE 10 2005 017 472 may be mentioned, from which it is possible to deduce a two-part or multi-part insulation system for producing medium-voltage cable fittings.
  • This insulation system has a bead-like latching element, which engages snap-like manner in a complementary receiving element on the front-side coupling surface of a second insulating body.
  • the line-shaped bead-like latching element forming the closure results in that the insulating body must be geometrically designed so that its Outside geometry in the closure region has a strong deviation from a cylindrical basic shape.
  • the object of the invention is now to provide an insulated cable connector for the production of cable sets with self-holding, electrically insulating closure, with the cable cores can be reliably connected even with limited installation conditions, for the purpose of mounting no parking position on the _
  • the insulated cable connector for the production of cable sets with self-holding, electrically insulating closure, for example for receiving the ends of cables, at least one longitudinally extending closure element and an insulating body.
  • the electrically conductive closure element comprises three sections, of which a first outer section as a clamping section for receiving a first cable core, a second outer section as a clamping section for receiving a second cable core and a middle section extending between the two outer sections as a receiving portion for receiving and Locking the insulating body is formed.
  • the receiving portion has a smaller cross section than the two clamping portions.
  • the arranged on the closure element insulating body comprises on its facing the closure element inside at least one bead-like cross-sectional widening, which engages in the assembled state of the insulated cable connector for the purpose of positioning the insulating body in height of the receiving portion in the closure element.
  • the power transmission between the cable cores to be connected is thus advantageously directly from the first clamping portion on the receiving portion to the second clamping portion, wherein the electrical and mechanical connection is not affected by other contact points in the course of the current path.
  • At least one of the two outer portions of the closure element is formed as a socket with an end opening for receiving a cable core and has a bore in the transverse direction for receiving a fastening means.
  • at least one of the two outer sections of two complementary and mutually couplable half shells for receiving a cable core is constructed. In the assembled state, this section has an end opening and a transversely arranged and a fastening means receiving bore.
  • tear-off screws are preferably used, which are dimensioned according to the cross section of the associated terminal portion to be locked cable core, taking into account the required Abr regardingtapmoments.
  • the two outer sections are fixed in position relative to each other and spaced apart.
  • the main advantage of the reduced compared to the two outer sections in the middle section is that the placed on the electrically conductive closure element insulator in the final assembled state of the insulated cable connector in the axial direction is not displaced, whereby a permanent electrical and moisture insulation is ensured.
  • the three sections of the closure element are cylindrical, wherein the two outer sections are each formed identically in cross-section and the middle section, in contrast, has a smaller cross-section.
  • the two adjacent to the central portion end faces of the outer sections are conical or planar and thus facilitate the placement of the insulating body on the closure element after connecting the two cable cores.
  • at least one of the two distal ends of the closure element, respectively the two outer end sides of the outer sections is curved or conical.
  • the half shells which can be coupled to one another each have a guide system.
  • Each guide system consists of two preferably placed in the edge region of the half-shells rails, the groove and tongue-like mesh.
  • a further advantageous possibility of coupling the two half-shells also consists in that the two half-shells comprise webs arranged orthogonally to their longitudinal extent, which are each spaced apart from one another by a web width.
  • the two half-shells In the assembled state of the two half-shells respectively opposite webs of the two half-shells engage with inserted cable core, d. H. hinged, one inside the other.
  • At least one of the two half shells additionally comprises a stop.
  • the two half-shells coupled to each other complement each other to form a closed cylinder which has a diameter corresponding to the diameter of the section formed as a bushing.
  • the arranged on the closure element insulator can be made both one-piece and multi-part.
  • the essential advantage of the invention based on the spacing of the two outer clamping sections using the reduced in cross section receiving portion of the closure element, particularly clear.
  • the insulating body of two transverse split and complementary Muffenisolier stressesn constructed each having on their front side a bead-like cross-sectional widening, which in the assembled state of the insulated cable connector at the level of the receiving portion of the closure element contact each other and possibly interlock there.
  • one of the two sleeve insulating bodies has at least one bead-like latching element on an end-side coupling surface which engages in a complementary receiving element on the front-side coupling surface of the second sleeve insulating body in snap closure fashion.
  • a cable core is first introduced into the end face in a clamping section of the closure element designed as a bush and held by means of a tear screw arranged in the bush and orthogonal to the longitudinal axis of the cable core.
  • the second cable core is inserted into the at the middle portion, so the receiving portion, adjacent lower half-shell. Due to the open shell design of the second clamping portion eliminates the bending of the cable core fixed therein. This can be inserted, regardless of the size of the conductor cross-section particularly advantageous from above into the lower half-shell.
  • Another advantage of the invention is that the free preparation of the cable ends can be correspondingly smaller.
  • the open lower half shell is subsequently closed by means of the complementary upper half shell.
  • Both half-shells have for this purpose guide rails or webs, whereby either the upper half-shell on the lower half-shell slide on or both half shells hinge like one another.
  • the webs of the two half-shells are designed as complementary webs, that is, the webs of the lower half-shell engage in the interstices of the webs of the upper half-shell and vice versa.
  • the upper half-shell can also be designed in several parts, in which case each of these parts has bores for receiving fastening means, preferably tear-off screws.
  • the individual parts can be loosely connected individually or expediently flexible, z. B. on film hinges, placed on the lower half-shell and pushed into its final position.
  • a multipart upper half-shell is independent of the embodiment with spaced apart in the direction of the longitudinal axis of the clamping portion webs. In the coupled state, the two half-shells are exactly on top of each other and complement each other to a cylindrical shape whose cross-section corresponds to the cross section of the first clamping portion formed as a bushing.
  • the upper half-shell is mechanically braced with the lower half shell and thereby produces the required contact force.
  • a diameter corresponding to the outer portions of the closure element is not required.
  • the present invention teaches that the central portion of the closure member has only a reduced cross-section and is configured to receive a bead-like latching member of a split sleeve insulation body according to DE 10 2005 017 472 so as to ensure an advantageous cylindrical outer contour of the insulated cable connector of the invention ,
  • the cross section of the isolated Cable connector is dimensioned such that the required for each operating case power can be transmitted safely and thus resists occurring during operation mechanical loads.
  • the two outer end sides of the outer portions of the closure element may be curved or conical.
  • the length or the axial extent of the closure element is defined by the dimensions of the insulating body.
  • the middle section of the closure element according to the invention furthermore leads to a considerable stabilization of the insulating body in that the bead arranged on the inside of the insulating body engages in the area of the closure element which is reduced in cross-section and thus prevents mechanical stressing of the insulating body, in particular in the axial direction.
  • the middle portion of the closure member also allows, starting from the central portion, the insertion of the upper half-shell on the lower half-shell.
  • ⁇ using the reduced in cross-section receiving portion of the closure element arranged on the closure element insulator can engage with its inside arranged bead therein and permanently position the insulating body; in a multi-part insulating body whose parts are reliably locked together and are not axially 29iebar,
  • the receiving portion of the closure element allows by its construction an advantageous sliding of the individual insulating body, ⁇ there is no parking position of the closure element on the cable ends is necessary because one of the two half-shells can be pushed starting from the receiving portion on the lower half shell,
  • the clamping section formed from two half-shells allows a wire connection even in cramped mounting conditions, since at least one core cable can be inserted from above into this clamping section,
  • the outer contour of the insulating body can be cylindrical, whereby the risk of mechanical forces acting on the insulated cable connector are largely avoided,
  • the electrical insulating capacity of the insulator is positively influenced by the advantageous stabilization of the bead-like latching element and
  • Fig. 1 Perspective view of a closure element with clamping portion open on one side
  • Fig. 2 Perspective view of the upper half-shell of the opened
  • FIG. 3 shows a perspective view of a closure element with a two-part insulating body in the first assembly step
  • FIG. 4 shows a perspective view of a closure element with a two-part insulating body in the second assembly step
  • Fig. 5 Perspective view of a closure element with a two-part insulating body in the third assembly step
  • Fig. 6 Perspective view of a completely insulated cable connector in the final assembled state.
  • FIG. 1 illustrates a perspective view of the closure element 3 of the insulated cable connector 1 according to the invention with an outer clamping section 3.1 opened on one side.
  • the longitudinally extending, electrically conductive and cylindrical closure element 3 according to the invention comprises three sections 3.1, 3.2, of which the two outer sections 3.1 are designed as clamping sections 3.1 for receiving a respective cable core 2.1 according to Figures 3 to 6 and between the two outer Sections 3.1 extending and with respect to these a smaller cross-section having middle section 3.2, the receiving section 3.2, for receiving and locking the insulating body according to Figures 5 and 6 is formed.
  • the viewer's left outer section 3.1 is formed as a socket 4 with a frontal and formed as a bore opening for receiving a first cable core 2.1.
  • a not shown tear-off screw is provided, which is in a tear-off screw corresponding hole 7, which is orthogonal to the frontal bore, placed.
  • the viewer's right outer section 3.1 is constructed of two complementary and mutually coupleable half-shells 5 for receiving the second cable core 2.1 according to Figures 1 and 2.
  • the two half-shells 5 each have a frontal opening formed as a bore and a transverse extending and an unillustrated tear-off screw receiving bore 7.
  • 1 and 2 further comprise webs 5.1 arranged in longitudinal extension, each having a web width spaced from each other, which offset in the assembled state of the two half-shells 5 with inserted cable core 2.1 according to FIG. 4 engage each other.
  • the upper half-shell 5 is shifted by a web width in the direction of connecting the two outer sections 3.1 middle section 3.2 and pushed to the stop of the lower half-shell 5 as shown in FIG.
  • the cable core 2.1 is permanently positioned in the right outer clamping section 3.1.
  • both sections designed as clamping sections have the same outside diameter as in FIG. 4.
  • the two transversely split Muffenisolier emotions trained insulating body are moved to its final position according to Figures 5 and 6, which engage at their end faces snap-like manner into each other and are thus coupled accordingly.
  • the two adjacent to the receiving section 3.2 end faces 6 of the two clamping sections 3.1 are conical designed to facilitate the subsequent mounting of the located in the parking position divided and designed as Muffenisolier emotions insulating 9.
  • the contour of the bead-like cross-sectional widening 10 of the two sleeve insulating bodies and the contour of the receiving section 3.2 of the closure element 3 correspond to one another, so that in the final assembly state according to FIG.

Landscapes

  • Cable Accessories (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Un connecteur isolé (1) pour câble destiné à réaliser des garnitures de câbles avec fermeture électriquement isolante autoportante, par exemple pour recevoir les extrémités de câbles (2), présente au moins un élément de fermeture (3) qui s'étend en longueur et un corps isolant (9). L'élément de fermeture (3) électriquement conducteur comprend trois parties (3.1, 3.2) dont une première partie extérieure (3.1) est configurée comme partie de serrage (3.1) qui reçoit un premier fil (2.1) du câble et une deuxième partie extérieure (3.1) est configurée comme partie de serrage (3.1) qui reçoit un deuxième fil (2.1) du câble. Une partie centrale (3.2) qui s'étend entre les deux parties extérieures (3.1) est configurée comme partie de réception (3.2) qui reçoit et bloque le corps isolant (9), la partie de réception (3.2) ayant une section transversale plus petite que celle des parties de serrage (3.1). Sur son côté intérieur tourné vers l'élément de fermeture (3), le corps isolant (9) disposé sur l'élément de fermeture (3) présente au moins un élargissement en bourrelet (10) de sa section transversale qui, lorsque le connecteur isolé (1) pour câble est monté, s'engage dans l'élément de fermeture (3) pour positionner le corps isolant (9) à la hauteur de la partie de réception (3.2).
EP08758011A 2007-05-10 2008-05-05 Connecteur isolé pour câble Withdrawn EP2145364A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007022415A DE102007022415A1 (de) 2007-05-10 2007-05-10 Isolierter Kabelverbinder
PCT/DE2008/000750 WO2008138299A1 (fr) 2007-05-10 2008-05-05 Connecteur isolé pour câble

Publications (1)

Publication Number Publication Date
EP2145364A1 true EP2145364A1 (fr) 2010-01-20

Family

ID=39672874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08758011A Withdrawn EP2145364A1 (fr) 2007-05-10 2008-05-05 Connecteur isolé pour câble

Country Status (4)

Country Link
EP (1) EP2145364A1 (fr)
DE (2) DE102007022415A1 (fr)
TW (1) TW200903923A (fr)
WO (1) WO2008138299A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3047539B1 (fr) * 2013-09-16 2019-06-12 Prysmian S.p.A. Ensemble et procédé de connexion de câbles par raccord électrique
CN106129644A (zh) * 2016-07-15 2016-11-16 国家电网公司 石墨复合接地体速连筒式接续件及其应用

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2262396A (en) * 1991-12-14 1993-06-16 B & H Ltd Connector for elongate objects

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1107312B (de) * 1960-01-14 1961-05-25 Telefunken Patent Kabelschnellverbinder
US3088761A (en) * 1962-04-25 1963-05-07 Aluminum Co Of America Compressibly deformable connectors
NO138834C (no) * 1977-04-05 1978-11-22 Myking Metall Ind Haakon Anordning ved gummihylse som omslutter en elektrisk stroemlederdel saasom et gummihaandtak for en sveiseelektrodeholder eller en isolasjonshylse for et kabelskjoeteorgan
US4372637A (en) * 1981-04-10 1983-02-08 Amp Incorporated Bond shield terminal
US4438995A (en) * 1981-07-27 1984-03-27 Frank A. Cristell Housing with frangible locking elements
AU659426B2 (en) 1990-12-18 1995-05-18 B & H (Nottingham) Limited Electrical connector
GB9222676D0 (en) * 1992-10-29 1992-12-09 Sicame Electrical Dev Ltd Improvements relating to cable connectors
GB9223707D0 (en) 1992-11-12 1992-12-23 B & H Nottingham Ltd Electrical connector
GB2294597B (en) * 1994-01-15 1996-12-04 Sicame Electrical Dev Ltd Improvements relating to electrical conductor connectors
DE10313944A1 (de) 2003-03-18 2004-10-07 Arcus Elektrotechnik Alois Schiffmann Gmbh Schraubverbinder
DE102005017472B3 (de) 2005-04-12 2006-09-07 Cellpack Gmbh Zwei- oder mehrteilig aufgebautes Isolierkörpersystem zur Herstellung von Mittelspannungskabelgarnituren

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2262396A (en) * 1991-12-14 1993-06-16 B & H Ltd Connector for elongate objects

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008138299A1 *

Also Published As

Publication number Publication date
TW200903923A (en) 2009-01-16
DE112008001919B4 (de) 2020-02-06
DE112008001919A5 (de) 2010-04-22
WO2008138299A1 (fr) 2008-11-20
DE102007022415A1 (de) 2008-11-13

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