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EP2876734B1 - Ensemble de connecteur - Google Patents

Ensemble de connecteur Download PDF

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Publication number
EP2876734B1
EP2876734B1 EP13193849.0A EP13193849A EP2876734B1 EP 2876734 B1 EP2876734 B1 EP 2876734B1 EP 13193849 A EP13193849 A EP 13193849A EP 2876734 B1 EP2876734 B1 EP 2876734B1
Authority
EP
European Patent Office
Prior art keywords
contact
plug
face
ring
connector assembly
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.)
Active
Application number
EP13193849.0A
Other languages
German (de)
English (en)
Other versions
EP2876734A1 (fr
Inventor
Thilo Simonsohn
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.)
Tyco Electronics Raychem GmbH
Original Assignee
Tyco Electronics Raychem 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 Tyco Electronics Raychem GmbH filed Critical Tyco Electronics Raychem GmbH
Priority to EP13193849.0A priority Critical patent/EP2876734B1/fr
Priority to CN201480063237.2A priority patent/CN105745790B/zh
Priority to PCT/EP2014/075097 priority patent/WO2015075110A1/fr
Priority to AU2014351982A priority patent/AU2014351982B2/en
Publication of EP2876734A1 publication Critical patent/EP2876734A1/fr
Application granted granted Critical
Publication of EP2876734B1 publication Critical patent/EP2876734B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
    • 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
    • H01R4/304—Clamped connections, spring connections utilising a screw or nut clamping member having means for improving contact
    • 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
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole
    • 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
    • H01R4/56—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 one conductor screwing into another

Definitions

  • the present invention relates to a connector assembly according to claim 1.
  • Connector assemblies for disconnecting electric circuits carrying high currents and medium voltages in the range of 1 kV to 70 kV during installation and service conditions are known in the state of the art.
  • the EP 0 147 979 B1 describes a connector assembly that allows to disconnect an electric circuit without moving a cable. It is known to provide such contact assemblies with spring contacts which provide separable electric connections. Such contacts are expensive to produce in order to provide reliable electrical connections over a long lifetime and a high number of switch cycles. Mating metal parts usually require surface platings such as silver platings.
  • a connector assembly comprises a cable terminal having a contact ring, an inner plug having a contact section and an outer plug being movable in a longitudinal direction.
  • the outer plug comprises a thrust face.
  • the contact section comprises an abutment face oriented towards the thrust face.
  • the contact section can be clamped between the outer plug and the contact ring.
  • the thrust face abuts on the abutment face when the contact section is clamped between the outer plug and the contact ring.
  • clamping the contact section of the inner plug between the outer plug and the contact ring may ensure a defined contact pressure between a contact section of the inner plug and the contact ring of the cable terminal which provides a defined and reliable electric connection between the contact ring of the cable terminal and the contact section of the inner plug.
  • the contact ring comprises a first screw thread.
  • the outer plug comprises a second screw thread mating the first screw thread.
  • the first screw thread of the contact ring and the screw thread of the outer plug allow to screw the outer plug into the contact ring of the cable terminal to move the outer plug in the longitudinal direction. Screwing the outer plug into the contact ring of the cable terminal thus allows to clamp the contact section of the inner plug between the outer plug and the contact ring.
  • this allows to adjust a contact pressure between the contact section of the inner plug and the contact ring of the cable terminal.
  • the first screw thread is an internal screw thread and the second screw thread is an external screw thread.
  • this allows to screw the external second screw threads of the outer plug into the internal first screw threads of the contact ring of the cable terminal.
  • the contact ring comprises a ring contact face.
  • the contact section comprises a plug contact face oriented towards the ring contact face.
  • clamping the contact section of the inner plug between the outer plug and the contact ring of the cable terminal presses the plug contact face of the contact section of the inner plug against the ring contact face of the contact ring of the cable terminal to ensure a reliable electric connection between the contact section of the inner plug and the contact ring of the cable terminal.
  • the abutment face of the contact section of the inner plug comprises the shape of a circular ring.
  • the abutment face is thus rotationally symmetric, allowing to arrange the inner plug at arbitrary angular orientations.
  • the abutment face comprises the shape of a slotted circular ring.
  • the slots decrease the total area of the abutment face, thus increasing a pressure force exerted on the remaining parts of the abutment face by the thrust face of the outer plug. This also increases a contact force exerted between the plug contact face of the contact section of the inner plug and the ring contact face of the contact ring of the cable terminal.
  • the slots arranged in the abutment face of the contact section of the inner plug increase the flexibility of the contact section of the inner plug, thus allowing the plug contact face of the contact section of the inner plug to closely adapt to the shape of the ring contact face of the contact ring of the cable terminal, for example to surface roughnesses.
  • this may equalize manufacturing tolerances.
  • the plug contact face and/or the ring contact face comprise an embossment.
  • the embossment may for example comprise a number of ridges. The embossment reduces a contact area between the plug contact face of the contact section of the inner plug and the ring contact face of the contact ring of the cable terminal and thus allows for increased contact pressure between the plug contact face and the ring contact face.
  • the plug contact face and/or the ring contact face comprise an impression corresponding to the embossment.
  • the plug contact face may comprise an impression and the ring contact face may comprise a corresponding embossment.
  • the plug contact face may comprise an embossment and the ring contact face may comprise a corresponding impression.
  • both the plug contact face and the ring contact face with mutually corresponding impressions and embossments.
  • the impressions and embossments provide areas of the plug contact face and the ring contact face that are inclined with respect to a normal direction of the plug contact face and the ring contact face. This increases the size of the contact area between the plug contact face and the ring contact face and increases a contact pressure resulting from a given force exerted on the contact section of the inner plug by the outer plug.
  • an electrically conductive interim piece is arranged between the ring contact face and the plug contact face.
  • the interim piece may for example comprise a metal or be provided with an electrically conductive coating.
  • the interim piece may be designed to increase a contact area between the ring contact face and the plug contact face or to increase a contact pressure between the ring contact face and the plug contact face.
  • the interim piece may be rigid and stiff or may be flexible like films or elastic like wavy washers.
  • the interim piece may also serve to level imperfections and irregularities of the plug contact face and/or the ring contact face.
  • the interim piece may comprise a metal or a metal alloy, for example copper beryllium, or another conductive material and/or may comprise a conductive coating, for example a silver plating.
  • the thrust face and the abutment face are at least partially inclined with respect to a direction perpendicular to the longitudinal direction.
  • the thrust face and the abutment face may be inclined about a positive or a negative angle.
  • the inclination of the thrust face and the abutment face advantageously increases the areas of the thrust face and the abutment face and increases a contact pressure between the thrust face and the abutment face at a given force exerted on the contact section of the inner plug by the outer plug.
  • the plug contact face and the ring contact face are at least partially inclined with respect to a direction perpendicular to the longitudinal direction.
  • the plug contact face and the ring contact face may be inclined about a positive or a negative angle.
  • the inclination of the plug contact face and the ring contact face advantageously increases the size of the plug contact face and the ring contact face and may increase a contact pressure between the plug contact face and the ring contact face that results from a given force exerted on the contact section of the inner plug by the outer plug.
  • the connector assembly comprises a conductor.
  • the inner plug comprises an inner contact interface for contacting the conductor.
  • the inner plug may provide an electric connection between the conductor of the connector assembly and the cable terminal of the connector assembly.
  • the connector assembly comprises a housing.
  • the cable terminal, the inner plug and the outer plug are at least partially arranged in the housing.
  • the conductor may also be at least partially arranged in the housing.
  • the housing may for example be manufactured by a molding process.
  • the housing may provide an electric insulation.
  • the housing comprises an elastomeric material, in particular silicone or EPDM, or a thermoplastic elastomer.
  • an elastomeric material in particular silicone or EPDM, or a thermoplastic elastomer.
  • the cable terminal and the conductor are molded-in in the housing.
  • the connector assembly allows to electrically connect and disconnect the cable terminal and the conductor without moving the cable terminal or the conductor.
  • Figure 1 shows a schematic sectional drawing of a part of a first connector assembly 10.
  • the first connector assembly 10 may be used for providing a separable electric connection in an electric network.
  • the electric network may for example be a medium voltage network with voltages between 1 kV and 70 kV.
  • the electric network may for example be a 24 kV network or a 36/42 kV network.
  • the first connector assembly 10 may for example be arranged in a cabinet above the ground or an underground unit to be accessed from above the ground.
  • the first connector assembly 10 comprises a cable terminal 200.
  • the cable terminal 200 comprises an electrically conductive material, for example copper.
  • the cable terminal 200 extends mostly in parallel to a lateral direction 12.
  • An outer end of the cable terminal 200 that is not shown in the partial depiction of Figure 1 , may be designed for being connected to a cable.
  • the outer part of the cable terminal 200 may for example be connected to a cable using a suitable cable joint.
  • the first connector assembly 10 furthermore comprises a conductor 300.
  • the conductor 300 comprises an electrically conductive material.
  • the conductor 300 is arranged mostly in parallel to the lateral direction 12.
  • the conductor 300 is arranged below the cable terminal 200 and is spaced from the cable terminal 200 in a longitudinal direction 11 which is perpendicular to the lateral direction 12.
  • the first connector assembly 10 serves to establish and to interrupt an electric connection between the cable terminal 200 and the conductor 300.
  • the electric connection between the cable terminal 200 and the conductor 300 can be established and interrupted without moving the cable terminal 200 and the conductor 300.
  • the electric connection between the cable terminal 200 and the conductor 300 that is provided by the first connector assembly 10 may for example be interrupted for installation and service purposes.
  • the conductor 300 of the first connector assembly 10 may be connectable to further cable terminals by means of further first connector assemblies.
  • the first connector assemblies serve to provide interruptible electric connections between the cable terminals via the conductor 300.
  • the first connector assembly 10 comprises a housing 100.
  • the cable terminal 200 and the conductor 300 are at least partially arranged in the housing 100.
  • the housing 100 comprises an electrically insulating material.
  • the housing 100 may for example comprise an elastomeric material.
  • the housing 100 may for example comprise an elastomeric material with a Shore A hardness between 20 and 60.
  • the housing 100 may for example comprise a silicone or EPDM or may be made from TPE, a thermoplastic elastomer.
  • the housing 100 may for also comprise a conductive coating or a thicker outer conductive layer.
  • the housing 100 may be produced using a molding process. It is possible to mold-in the cable terminal 200 and the conductor 300 already during the fabrication of the housing 100.
  • the housing 100 may be integrally formed or be composed out of more than one piece.
  • the cable terminal 200 may partially be enclosed in a first shielding 130.
  • the first shielding 130 is arranged between the cable terminal 200 and the housing 100.
  • the first shielding 130 may serve to shield electromagnetic fields caused by electric currents flowing in the cable terminal 200.
  • the first shielding 130 may also serve as a Faraday cage to do e.g. stress grading.
  • the conductor 300 may partially be enclosed in a second shielding 140 that partially covers the conductor 300 and is arranged between the conductor 300 and the material of the housing 100.
  • the second shielding 140 may serve to shield electromagnetic fields caused by electric currents flowing in the conductor 300.
  • the first shielding 130 and the second shielding 140 may be omitted.
  • the conductor 300 and the parts of the housing 100 that house the conductor 300 together form a busbar 110 of the first connector assembly 10.
  • the busbar 110 is arranged mostly in parallel to the lateral direction 12.
  • the first connector assembly 10 further comprises a dome 120 that extends in the longitudinal direction 11 which is arranged perpendicular to the lateral direction 12.
  • the dome 120 comprises the part of the housing 100 housing the cable terminal 200 and a part of the housing 100 arranged between the cable terminal 200 and the busbar 110.
  • the cable terminal 200 comprises an inner end that is opposed to the outer end of the cable terminal 200.
  • the inner end of the cable terminal 200 is arranged inside the housing 100.
  • the inner end of the cable terminal 200 comprises a contact ring 210.
  • the contact ring 210 comprises an opening 240.
  • the opening 240 preferably comprises a circular shape with an axis that is arranged in parallel to the longitudinal direction 11. In the example shown in Figure 1 , the contact ring 210 is closed about the opening 240 and the axis that is parallel to the longitudinal direction 11.
  • the contact ring 210 comprises a tubular portion 220 and a discoid portion 230.
  • the discoid portion 230 is arranged perpendicular to the longitudinal direction 11.
  • the opening 240 is arranged centrally in the discoid portion 230 of the contact ring 210 of the cable terminal 200.
  • the tubular portion 220 of the contact ring 210 extends from an outer circumference of the discoid portion 230 in the longitudinal direction 11 away from the conductor 300.
  • the tubular portion 220 and the discoid portion 230 of the contact ring 210 are integrally formed.
  • the first connector assembly 10 comprises an inner plug 400 that serves to provide an electric connection between the cable terminal 200 and the conductor 300.
  • the inner plug 400 comprises an electrically conductive material, for example a metal. Parts of the surface of the inner plug 400 may be coated or overmolded with an electrically insulating material.
  • the inner plug 400 can be inserted into the housing 100 of the first connector assembly 10 to establish an electric connection between the cable terminal 200 and the conductor 300.
  • the inner plug 400 can be removed from the housing 100 to interrupt the electric connection between the cable terminal 200 and the conductor 300.
  • the inner plug 400 comprises a elongate portion 410 with an inner end 411 and an opposed outer end 412.
  • the elongate portion 410 may comprise a conical shape.
  • the elongate portion 410 of the inner plug 400 is arranged in parallel to the longitudinal direction 11.
  • the inner end 411 of the elongate portion 410 of the inner plug 400 comprises an inner contact interface 420 that serves to provide an electric connection between the inner plug 400 and the conductor 300.
  • the inner contact interface 420 comprises a threaded boss 430 that extends in parallel to the longitudinal axis of the elongate portion 410 of the inner plug 400 at the inner end 411 of the elongate portion 410.
  • the conductor 300 comprises a contact interface 310 that matches the inner contact interface 420.
  • the contact interface 310 of the conductor 300 comprises a threaded bore 320.
  • the inner contact interface 420 of the inner plug 400 can be mechanically and electrically connected to the contact interface 310 of the conductor 300 by screwing the threaded boss 430 of the inner plug 400 into the threaded bore 320 of the conductor 300. This can be performed by rotating the inner plug 400 around an axis parallel to the longitudinal direction 11. This installation of the inner plug 400 can be carried out from a distance using an operating rod of for example about 1 m length.
  • the inner plug 400 When the inner plug 400 is installed in the housing 100 of the first connector assembly 10, the elongate portion 410 of the inner plug 400 extends through the opening 240 of the contact ring 210 of the cable terminal 200.
  • the inner plug 400 At the outer end 412 of the elongate portion 410 of the inner plug 400, the inner plug 400 comprises a contact section 440.
  • the contact section 440 serves to provide an electric connection between the inner plug 400 and the contact ring 210 of the cable terminal 200.
  • the contact section 440 comprises a diameter that is larger than the diameter of the elongate portion 410 of the inner plug 400 and larger than the diameter of the opening 240 of the contact ring 210 of the cable terminal 200.
  • Figure 6 shows a schematic top view of the contact section 440 of the inner plug 400.
  • the contact section 440 of the inner plug 400 comprises a circular disc shape.
  • the contact section 440 On the side of the contact section 440 that is opposed from the elongate portion 410 of the inner plug 400, the contact section 440 comprises an abutment face 460.
  • the abutment face 460 comprises the shape of a circular disc.
  • Figure 7 shows a schematic top view of a modified implementation of the contact section 440 of the inner plug 400.
  • the contact section 440 is generally disc-shaped but comprises a plurality of slots 452 that extend radially into the contact section 440 from an outer circumference of the contact section 440.
  • the contact section 440 comprises four slots 452. Each slot 452 spans an angle of approximately 45 degrees.
  • the slots 452 may however span smaller or larger angles and different angles.
  • the contact section 440 may comprise fewer or more than four slots 452. Due to the slots 452 the area of the abutment face 460 is smaller in the implementation of the contact section 440 depicted in Figure 7 than in the implementation of the contact section 440 depicted in Figure 6 .
  • the contact section 440 of the inner plug 400 comprises a plug contact face 450 that is opposed to the abutment face 460.
  • the plug contact face 450 may be ring-shaped if the contact section 440 of the inner plug 400 is designed as shown in Figure 6 . If the contact section 440 of the inner plug 400 is designed as in the example shown in Figure 7 , the plug contact face 450 comprises one or more sectors of a circular ring.
  • the discoid portion 230 of the contact ring 210 of the cable terminal 200 comprises a ring contact face 250.
  • the plug contact face 450 of the contact section 440 of the inner plug 400 faces the ring contact face 250 of the contact ring 210 of the cable terminal 200.
  • the plug contact face 450 of the contact section 440 of the inner plug 400 is in contact with the ring contact face 250 of the contact ring 210 of the cable terminal 200.
  • a pressure between the plug contact face 450 of the inner plug 400 and the ring contact face 250 of the cable terminal 200 may however be insufficient for providing a reliable electric connection between the inner plug 400 and the cable terminal 200.
  • the first connector assembly 10 comprises an outer plug 500 that is installed after installation of the inner plug 400.
  • the outer plug 500 may comprise an electrically insulating material.
  • the outer plug 500 comprises a elongate portion 510 with an inner end 511.
  • Arranged at the inner end 511 of the elongate portion 510 of the outer plug 500 is an end portion 520.
  • the end portion 520 preferably comprises a mechanically robust material, for example a metal, a ceramic material or a reinforced plastic.
  • the end portion 520 comprises a thrust face 540.
  • the thrust face 540 may for example comprise a circular disc shape.
  • the thrust face 540 is arranged perpendicular to the longitudinal direction 11 and faces the abutment face 460 of the inner plug 400.
  • the tubular portion 220 of the contact ring 210 of the cable terminal 200 comprises a first screw thread 260.
  • the first screw thread 260 is an internal screw thread arranged on the inner side of the tubular portion 220 of the contact ring 210 of the cable terminal 200.
  • the end portion 520 of the outer plug 500 comprises a second screw thread 530 that matches the first screw thread 260 of the contact ring 210 of the cable terminal 200.
  • the second screw thread 530 is an external screw thread arranged on an outer circumference of the end portion 520.
  • the second screw thread 530 of the outer plug 500 can be screwed in the first screw thread 260 of the contact ring 210 of the cable terminal 200. This procedure can be performed from a distance using an operating rod of for example 1 m length. Screwing the outer plug 500 in the tubular portion 220 of the contact ring 210 of the cable terminal 200 of the first connector assembly 10 moves the outer plug 500 in the longitudinal direction 11 such that the thrust face 540 of the outer plug 500 moves towards the abutment face 460 of the contact section 440 of the inner plug 400.
  • the contact section 440 of the inner plug 400 is pressed towards the discoid portion 230 of the contact ring 210 of the cable terminal 200 such that the plug contact face 450 of the contact section 440 of the inner plug 400 is pressed against the ring contact face 250 of the contact ring 210 of the cable terminal 200.
  • Screwing the second screw thread 530 of the outer plug 500 further in the first screw thread 260 of the contact ring 210 of the cable terminal 200 allows to apply a defined pressure between the plug contact face 450 of the contact section 440 of the inner plug 400 and the ring contact face 250 of the contact ring 210 of the cable terminal 200.
  • the outer plug 500 may for example be screwed in the contact ring 210 of the cable terminal 200 until a torque of 20 Nm has been reached.
  • the housing 100 may undergo a minor elastic deformation. Such an elastic deformation is possible with low forces as the housing 100 preferably comprises an elastomeric material and the entire movement of the contact section 440 of the inner plug 400 in the longitudinal direction 11 is usually less than 4 mm.
  • the elongate portion 410 of the inner plug 400 may for example comprise a total length of about 60 mm in longitudinal direction 11.
  • the thrust face 540 of the outer plug 500 presses against the abutment face 460 of the contact section 440 of the inner plug 400 and the plug contact face 450 of the contact section 440 of the inner plug 400 consequently presses against the ring contact face 250 of the contact ring 210 of the cable terminal 200 with a defined pressure force.
  • This pressure force is sufficient to ensure a reliable electric connection between the contact ring 210 of the cable terminal 200 and the contact section 440 of the inner plug 400.
  • the cable terminal 200 is thus electrically connected to the conductor 300 via the inner plug 400.
  • a current of for example 400 A, 630 A or 1250 A may be transmitted over a lifetime of up to 40 years.
  • the inner plug 400 may be produced in a simple and cost-effective manner. If the contact section 440 of the inner plug 400 is designed as shown in the example of Figure 7 , the contact section 440 may comprise an increased elastic flexibility in comparison to the design of Figure 6 . This may enable the contact section 440 of the inner plug 400 to adapt to slight unevennesses of the thrust face 540 of the outer plug 500 and the ring contact face 250 of the cable terminal 200 and may ensure an improved contact and an increased contact pressure in case of such unevennesses.
  • the plug contact face 450 and the abutment face 460 of the contact section 440 of the inner plug 400 comprise smaller areas in the design of Figure 7 in comparison to the design of Figure 6 . Smaller areas of the plug contact face 450 and the abutment face 460 of the contact section 440 of the inner plug 400 may result in higher pressures at the interface between the thrust face 540 of the outer plug 500 and the abutment face 460 of the contact section 440 of the inner plug 400 and at the interface between the plug contact face 450 of the contact section 440 of the inner plug 400 and the ring contact face 250 of the contact ring 210 of the cable terminal 200.
  • One or more of the ring contact face 250 of the contact ring 210 of the cable terminal 200, the plug contact face 450 of the contact section 440 of the inner plug 400, the abutment face 460 of the contact section 440 of the inner plug 400 and the thrust face 540 of the outer plug 500 may be coated with a metal or another material.
  • the ring contact face 250 of the contact ring 210 of the cable terminal 200 and/or the plug contact face 450 of the contact section 440 of the inner plug 400 may for example be coated with a tinning or a silver plating to reduce a contact resistance between the plug contact face 450 and the ring contact face 250 and to improve a long-term stability.
  • Figure 2 shows a schematic sectional view of a part of a second connector assembly 20.
  • the plug contact face 450 of the contact section 440 of the inner plug 400 comprises a plurality of embossments 451.
  • the embossments 451 extend from the otherwise mostly planar plug contact face 450.
  • the embossments 451 may for example be designed as a plurality of ridges.
  • the embossments 451 arranged on the plug contact face 450 of the contact section 440 of the inner plug 400 reduce a nominal contact area between the plug contact face 450 of the inner plug 400 and the ring contact face 250 of the contact ring 210 of the cable terminal 200.
  • the reduction of the nominal contact area between the plug contact face 450 and the ring contact face 250 may increase a contact pressure between the parts of the plug contact face 450 and the ring contact face 250 that are in contact. This may ensure and improve an electric connection between the contact section 440 of the inner plug 400 and the contact ring 210 of the cable terminal 200.
  • the embossments 451 may have different shapes which are for example mainly rounded or mainly sharp at the top ends.
  • the number, distribution and orientation of the embossments 451 may be adjusted in order to achieve an optimal effect.
  • Figure 3 shows a schematic sectional view of a part of a third connector assembly 30.
  • the plug contact face 450 of the contact section 440 of the inner plug 400 comprises an embossment 451.
  • the embossment 451 is designed as a ring-shaped embossment with an approximately trapezoidal cross section.
  • the embossment 451 of the plug contact face 450 may however be designed differently.
  • the ring contact face 250 of the contact ring 210 of the cable terminal 200 of the third connector assembly 30 comprises an impression 251 that corresponds to the embossment 451 of the plug contact face 450 such that the embossment 451 of the plug contact face 450 may be received in the impression 251 of the ring contact face 250.
  • the combination of the embossment 451 of the plug contact face 450 and the matching impression 251 of the ring contact face 250 increase a contact area between the plug contact face 450 and the ring contact face 250.
  • An increased contact area between the plug contact face 450 of the inner plug 400 and the ring contact face 250 of the contact ring 210 of the cable terminal 200 may help to ensure a reliable electric connection between the inner plug 400 and the cable terminal 200.
  • the approximately trapezoidal cross sections of the embossment 451 of the plug contact face 450 and the impression 251 of the ring contact face 250 comprise sections that are inclined with respect to the lateral direction 12 and are consequently not oriented perpendicular to the longitudinal direction 11.
  • an increased contact pressure may be achieved at a given torque of the outer plug 500 in comparison to sections of the plug contact face 450 and the ring contact face 250 that are arranged perpendicular to the longitudinal direction 11.
  • Figure 4 shows a schematic sectional drawing of a part of a fourth connector assembly 40.
  • an interim piece 600 is arranged between the plug contact face 450 of the contact section 440 of the inner plug 400 and the ring contact face 250 of the contact ring 210 of the cable terminal 200.
  • the interim piece 600 may comprise a metal or a metal alloy, for example copper beryllium, or another conductive material and/or may comprise a conductive coating, for example a silver plating.
  • the interim piece 600 may be rigid and stiff or may be flexible like a film or a blank or elastic like a wavy washer or a spring.
  • the interim piece 600 may be designed in a way to increase a contact area between the plug contact face 450 of the contact section 440 of the inner plug 400 and the ring contact face 250 of the contact ring 210 of the cable terminal 200 and/or to increase a contact pressure between the plug contact face 450 and the ring contact face 250.
  • the interim piece 600 may also serve to even out minor unevennesses in the plug contact face 450 and/or the ring contact face 250.
  • Figure 5 shows a schematic sectional view of a part of a fifth connector assembly 50.
  • the ring contact face 250 of the contact ring 210 of the cable terminal 200, the plug contact face 450 of the contact section 440 of the inner plug 400, the abutment face 460 of the contact section 440 of the inner plug 400 and the thrust face 540 of the end portion 520 of the outer plug 500 all are at least partially inclined with respect to the lateral direction 12 about an angle 700.
  • the angle 700 may be a positive or a negative angle between -90 degrees and +90 degrees.
  • the inclination of the ring contact face 250 and the plug contact face 450 increases a contact area between the ring contact face 250 and the plug contact face 450.
  • the inclination of the ring contact face 250 and the plug contact face 450 may also result in an increased contact pressure at a given torque of the outer plug 500 in comparison to an orientation of the ring contact face 250 and the plug contact face 450 that is perpendicular to the longitudinal direction 11.
  • the inclination of the abutment face 460 of the inner plug 400 and the thrust face 540 of the outer plug 500 increases a contact area between the abutment face 460 and the thrust face 540.
  • the inclination of the abutment face 460 and the thrust face 540 may also increase a contact pressure between the abutment face 460 and the thrust face 540.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (13)

  1. Ensemble de connecteur (10, 20, 30, 40, 50), comprenant :
    une cosse de câble (200) ayant un anneau de contact (210), l'anneau de contact (210) comprenant un premier filetage (260),
    une fiche intérieure (400) ayant une section de contact (440) et une fiche extérieure (500) pouvant être déplacée dans une direction longitudinale (11),
    la fiche extérieure (500) comprenant un deuxième filetage (530) s'accouplant avec le premier filetage (260),
    le premier filetage (260) étant un filetage interne et le deuxième filetage (530) étant un filetage externe,
    la fiche extérieure (500) comprenant une face de poussée (540),
    la section de contact (440) comprenant une face de butée (460) orientée vers la face de poussée (540),
    la section de contact (440) pouvant être serrée entre la fiche extérieure (500) et l'anneau de contact (210),
    caractérisé en ce que
    la face de poussée (540) bute contre la face de butée (460) lorsque la section de contact (440) est serrée entre la fiche extérieure (500) et l'anneau de contact (210).
  2. Ensemble de connecteur (10, 20, 30, 40, 50) selon la revendication 1,
    dans lequel la face de butée (260) a la forme d'un anneau circulaire.
  3. Ensemble de connecteur (10, 20, 30, 40, 50) selon l'une quelconque des revendications précédentes, dans lequel la face de butée (260) a la forme d'un anneau circulaire à fentes.
  4. Ensemble de connecteur (10, 20, 30, 40, 50) selon l'une quelconque des revendications précédentes,
    dans lequel l'anneau de contact (210) comprend une face de contact d'anneau (250),
    la section de contact (440) comprenant une face de contact de fiche (450) orientée vers la face de contact d'anneau (250).
  5. Ensemble de connecteur (20, 30) selon la revendication 4, dans lequel la face de contact de fiche (450) et/ou la face de contact d'anneau (250) comprennent un bossage (451).
  6. Ensemble de connecteur (30) selon la revendication 5, dans lequel la face de contact de fiche (450) et/ou la face de contact d'anneau (250) comprennent une impression (251) correspondant au bossage (451).
  7. Ensemble de connecteur (40) selon l'une quelconque des revendications 4 à 6,
    dans lequel une pièce intermédiaire électriquement conductrice (600) est disposée entre la face de contact d'anneau (250) et la face de contact de fiche (450).
  8. Ensemble de connecteur (10, 20, 30, 40, 50) selon l'une quelconque des revendications 4 à 7,
    dans lequel la face de contact de fiche (450) et la face de contact d'anneau (250) sont au moins en partie inclinées par rapport à une direction (12) perpendiculaire à la direction longitudinale (11).
  9. Ensemble de connecteur (50) selon l'une quelconque des revendications précédentes,
    dans lequel la face de poussée (540) et la face de butée (460) sont au moins en partie inclinées par rapport à une direction (12) perpendiculaire à la direction longitudinale (11).
  10. Ensemble de connecteur (10, 20, 30, 40, 50) selon l'une quelconque des revendications précédentes,
    dans lequel l'ensemble de connecteur (10, 20, 30, 40, 50, 60) comprend un conducteur (300),
    la fiche intérieure (400) comprenant une interface de contact interne (420) pour venir en contact avec le conducteur (300).
  11. Ensemble de connecteur (10, 20, 30, 40, 50) selon l'une quelconque des revendications précédentes, l'ensemble de connecteur (10, 20, 30, 40, 50) comprenant un boîtier (100),
    la cosse de câble (200), la fiche intérieure (400) et la fiche extérieure (500) étant au moins en partie disposées dans le boîtier (100).
  12. Ensemble de connecteur (10, 20, 30, 40, 50) selon la revendication 11, dans lequel le boîtier (100) comprend un matériau élastomère, en particulier de la silicone ou de l'EPDM, ou un élastomère thermoplastique.
  13. Ensemble de connecteurs (10, 20, 30, 40, 50) selon l'une quelconque des revendications 11 à 12,
    dans lequel la cosse de câble (200) et le conducteur (300) sont incorporés par moulage dans le boîtier (100).
EP13193849.0A 2013-11-21 2013-11-21 Ensemble de connecteur Active EP2876734B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP13193849.0A EP2876734B1 (fr) 2013-11-21 2013-11-21 Ensemble de connecteur
CN201480063237.2A CN105745790B (zh) 2013-11-21 2014-11-20 连接器组件
PCT/EP2014/075097 WO2015075110A1 (fr) 2013-11-21 2014-11-20 Ensemble connecteur
AU2014351982A AU2014351982B2 (en) 2013-11-21 2014-11-20 Connector assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13193849.0A EP2876734B1 (fr) 2013-11-21 2013-11-21 Ensemble de connecteur

Publications (2)

Publication Number Publication Date
EP2876734A1 EP2876734A1 (fr) 2015-05-27
EP2876734B1 true EP2876734B1 (fr) 2018-02-28

Family

ID=49619841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13193849.0A Active EP2876734B1 (fr) 2013-11-21 2013-11-21 Ensemble de connecteur

Country Status (4)

Country Link
EP (1) EP2876734B1 (fr)
CN (1) CN105745790B (fr)
AU (1) AU2014351982B2 (fr)
WO (1) WO2015075110A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0652608A1 (fr) * 1993-11-05 1995-05-10 Siemens Schweiz AG Dispositif pour joindre et connecter des conducteurs électriques

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE468257C (de) * 1928-11-09 Voigt & Haeffner Akt Ges Anordnung einer Schlitzklemme
EP0147979B1 (fr) 1983-12-14 1990-05-23 Raychem Limited Connecteur haute tension
GB9000488D0 (en) * 1990-01-09 1990-03-07 Raychem Gmbh Cable connector
US5747741A (en) * 1995-06-16 1998-05-05 Hubert Laurenz Naimer Screw terminal for an electrical connection of cables or wires

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0652608A1 (fr) * 1993-11-05 1995-05-10 Siemens Schweiz AG Dispositif pour joindre et connecter des conducteurs électriques

Also Published As

Publication number Publication date
CN105745790B (zh) 2018-09-25
CN105745790A (zh) 2016-07-06
WO2015075110A1 (fr) 2015-05-28
EP2876734A1 (fr) 2015-05-27
AU2014351982A1 (en) 2016-07-07
AU2014351982B2 (en) 2019-02-21

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