EP1982344B1 - Satz aus elektrischen steckverbindern und verfahren zur herstellung eines derartigen steckverbinders - Google Patents

Satz aus elektrischen steckverbindern und verfahren zur herstellung eines derartigen steckverbinders Download PDF

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Publication number
EP1982344B1
EP1982344B1 EP07730878A EP07730878A EP1982344B1 EP 1982344 B1 EP1982344 B1 EP 1982344B1 EP 07730878 A EP07730878 A EP 07730878A EP 07730878 A EP07730878 A EP 07730878A EP 1982344 B1 EP1982344 B1 EP 1982344B1
Authority
EP
European Patent Office
Prior art keywords
connector
plate
connectors
jaw
cage
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.)
Not-in-force
Application number
EP07730878A
Other languages
English (en)
French (fr)
Other versions
EP1982344A1 (de
Inventor
Laurent Rageau
Michel Chapon
Patrick Andre
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.)
Nexans SA
Mecelec SA
Original Assignee
Nexans SA
Mecelec SA
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 Nexans SA, Mecelec SA filed Critical Nexans SA
Publication of EP1982344A1 publication Critical patent/EP1982344A1/de
Application granted granted Critical
Publication of EP1982344B1 publication Critical patent/EP1982344B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/203—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals
    • H01H85/204—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals for low voltage fuses with knife-blade end contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/205—Electric connections to contacts on the base
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws

Definitions

  • the invention relates to a set of connectors each of which is capable of connecting a cable conductor to a knife belonging to a fuse or to a conducting bar.
  • the invention also relates to a method of manufacturing such a connector.
  • connectors for connecting upstream and downstream cables via a fuse or a conductive bar whose knives are respectively engaged in the jaws provided on these connectors. It is known, for example from FR-A-1,359,746 , FR-A-2,817,400 , FR-A-2,859,575 and FR-A-2,848,732 defining in a connector a receiving volume or cage of the end of a cable to be connected, while a clamping screw is arranged to press this end against a perforation toothing of the insulating sheath.
  • the jaws are defined to each receive a knife belonging to the fuse or the associated driver bar.
  • a connection connector can be integrated in various electrical circuits, to the point that the intensity that passes through it can be very variable, for example between 10 and 100 amperes (A).
  • the current connectors are sometimes differentiated according to the maximum intensity of the current supposed to cross them, this intensity being more often called "nominal intensity". This differentiation requires the provision of connectors with different constructions, which increases the cost of a set of connectors that can be used in circuits where the intensity of the current can vary.
  • some connectors are oversized when they are mounted in circuits of low amperage or may be insufficiently dimensioned when mounted in circuits of high amperage.
  • the invention intends to remedy more particularly by proposing a new set of connectors whose different connectors can be chosen according to the amperage provided for the circuit in which they are intended to be integrated.
  • the invention relates to a set of connectors, each connector of which is capable of connecting a cable conductor to a fuse or conductor bar, each connector comprising a receiving cage of a conductor end and a jaw of receiving a knife.
  • the jaw of each connector is formed by a plate of electrically conductive material, which constitutes one of the branches of this jaw, and an elastically deformable blade, which constitutes the other branch of this jaw, while the electrical conduction properties of the plate are variable from one conductor to another, depending on the rated current current flowing through this connector.
  • the different connectors of a set of connectors can be easily adapted to their nominal intensity, by changing the plate forming one of the branches of the jaw, the other constituent parts of the various connectors of the connector set can be identical from one type of connector to another.
  • the plate is selected on the basis of its average thickness or its constituent material.
  • the box 1 represented in figures 1 and 2 is provided for the connection of four conductors A 1 to A 4 belonging to an upstream cable A with four conductors B 1 to B 4 belonging to a downstream cable B, the conductors A 1 and B 1 conveying the neutral, then the conductors A 2 A 4 and B 2 to B 4 convey the three phases of a three-phase electric current.
  • a conductor bar 2 is provided to ensure the continuity of the circuit of the conductors A 1 and B 1 , while three fuses 3, 3 'and 3 "are provided to ensure the continuity of the phase conductors circuit
  • the bar 2 and the fuses 3, 3 'and 3 are each provided with knives 21 and 22, respectively 31 and 32, each intended to be engaged in a jaw formed by an upstream or downstream connector.
  • the connectors used to connect the ends of the conductors to the bar 2 or to the fuses 3, 3 'and 3 are mounted in two rows parallel to each other, more precisely four upstream connectors 10 are arranged in a first row R 1 located in part. high of the cabinet 1 parallel to its upper face 101, while four downstream connectors 10 are arranged in a second row R 2 parallel to the first and located below it.
  • Each connector 10 comprises metal parts visible to Figures 4 to 8 and which comprise a bent plate 11 comprising two generally parallel parts 111 and 112 connected by a zone 113 in which two bends 114 and 115 are provided.
  • Another bent zone 116 connects the flat part 112 to a part 117 in which a toothing 118 is arranged by folding the cut edges of the portion 117. This toothing perforate the insulating sheath surrounding the end of a conductor.
  • the plate 11 is made of copper. It could also be made of aluminum, brass, or any other electrically conductive alloy.
  • An elastic blade 12 made of spring steel or of another elastic material is attached to the plate 11 and comprises two generally parallel webs 121 and 122 connected by a web 123 perpendicular to these two webs and parallel to the part 112 of the plate 11.
  • a web 124 parallel to the web 123 is connected by an inclined transition zone 125 to a generally flat portion 126.
  • the web 121 is engaged under the part 117 of the plate 11, while an opening 127 is provided in the transition curve zone between the webs 121 and 123, this opening 127 receiving the end 119 of the part 117, which allows a locking of the respective lower portions of the plate 11 and the blade 12 one on the other, the web 121 covering the portion 117.
  • the web 124 of the blade 11 is in surface abutment on the part 112 of the plate and is immobilized thereon by a bolt 13.
  • a cage 14 is formed delimited by the parts 112, 117, 123 and 122 of the plates. parts 11 and 12, this cage 14 being intended to receive the end of a cable conductor A 1 to B 4 or B 1 to B 4 .
  • the portion 126 of the blade 12 extends away from the portion 111 of the plate 11, these portions 111 and 126 respectively constituting the branches 151 and 152 of a receiving jaw 15 of one of the knives 21, 22, 31 or 32.
  • a clamping screw 16 is mounted in a threaded puncture 122a formed in the web 122.
  • the threaded puncture 122a can be replaced by a threaded insert fixed in an orifice passing through the web 122.
  • X 14 is the middle axis of the cage 14 of a connector 10. The end of a cable conductor introduced into such a cage 14 extends generally along this axis, regardless of its insertion side.
  • X 15 is a median longitudinal axis of the jaw 15, that is to say an axis in which is oriented a knife 21 or 22 of the bar 2 or a knife 31 or 32 of a fuse 3, 3 'or 3 "introduced into this jaw.
  • an insulating casing 18 is attached around the metal parts of each connector 10, which allows to isolate them from the outside.
  • a tab 19 is immobilized by the bolt 13 on the plate 11 of each connector 10.
  • the tab 19 comprises two parts 191 and 192 generally perpendicular.
  • the portion 191 is pressed against the portion 111 of the plate 11 by the bolt 13, while the portion 192 is pierced with an orifice 193 traversed by the rod of a screw 194 intended to form a plug or temporary connection interface on the connector 10.
  • the bolt 13 may be replaced by other assembly methods, for example crimping.
  • the connectors of the invention it is possible to mount them on the end of the conductors A 1 , B 1 , A 2 , B 2 etc. before immobilizing them on the rear wall 102 of the box 1.
  • the connectors 10 are threaded, by their sides C 1 or C 2 , on the ends of the cable conductors according to whether they are upstream conductors or downstream conductors, as indicated above.
  • a connector has been threaded on a conductor, it is then possible to fix this connector on the wall 102 of the box 1, then to tighten the screw 16 to immobilize the end of the conductor in the cage 14 of the connector in question.
  • the upstream and downstream connectors being in place, it is then possible to insert in their jaws 15 the knives of the conductor bar or fuse.
  • the thickness e 11 of the plate 11 is substantially constant on its parts 111, 112 and 113. This thickness constitutes the average thickness of the plate 11. It is fixed according to the maximum amperage expected to pass through the fuse 3 In other words, the electrical conduction properties of the plate 11, between its part 111 which forms the branch 151 of the jaw 15 and its part 117 provided with the toothing 118, are dependent on the thickness e 11 which determines the flow section of the electric current through the plate 11.
  • this thickness e 11 can vary between the different connectors of the set of connectors to which the connectors of the Figures 4 to 6 . More specifically, in the case of a connector 10 shown in FIGS. Figures 5 and 6 intended to be traversed by a maximum current of 60 A, that is to say associated with a fuse 3 limiting the current to 60 A, the thickness e 11 may be chosen equal to 2 mm, whereas in the case of a connector 10 'shown in FIG. figure 7 and intended to be traversed by a current of up to 90 A, the thickness e 11 can be increased to 3 mm.
  • the thickness e 11 is between 0.5 and 3.5 mm for connectors 10 and 10 'of nominal intensity between 10 and 100 A.
  • Another way of varying these electrical conduction properties can be used in conjunction with or in place of the variation of the thickness of the plate 11. It consists in playing on the nature of the material constituting this plate, in particular on the composition of an alloy in which this plate is formed.
  • the plate 11 of a connector 10 "intended to be connected to a neutral cable may have a thickness e 11 which is considerably smaller than that of the plates of the phase conductors, as represented in FIG. figure 8 .
  • the connectors 10 and 10 'of this second set of connectors each comprise a plate 11 and an elastic blade 12.
  • the plate 11 has generally the same shape as the corresponding plate of the connectors of the first embodiment.
  • a jaw 15 is defined between two branches 151 and 152 formed respectively by a portion 111 of the plate 11 and a portion 126 of the blade 12.
  • a cage 14 made of an aluminum profile is provided to receive the end of a cable conductor.
  • X 14 is the central axis of this cage and X 15 the central axis of the jaw 15.
  • a screw 16 is screwed into a through thread 141 formed in an upper web 142 of the cage 14.
  • a screw 13 is engaged in an unrepresented tapping of the cage 14 and makes it possible to press one against the other and against the cage 14, the plate 11 and the blade 12. The screw 13 also makes it possible to press against the plate 11 a tab 19 which supports a screw 194 forming a temporary connection member, as in the first embodiment.
  • the thickness e 11 of the plate 11 is greater for the connector 10 'of the figure 10 that for the connector 10 of the figure 9 , connector 10 of the figure 10 being designed to pass a higher amperage current than that of the figure 9 .
  • the portion 117 of the plate 111 which is provided with the toothing 118 penetrates inside the cage 14 through an opening 144.
  • the conduction of the current takes place through the plate 11, without interruption, between a knife installed in the jaw 15 and the end of a conductive cable installed in the cage 14 and whose sheath has been perforated by the toothing 118.
  • the invention is particularly advantageous in that, apart from the plates 11, the other components of the connector types 10 adapted to different amperages remain the same from one type of connector to another, within a single set of connectors. This makes it possible to rapidly evolve and adapt the manufacture of connectors according to the needs, that is to say according to the amperage to be passed in each connector.
  • a connector 10, 10 'or 10 " it is possible to select the plate 11, as a function of the nominal intensity of the connector being manufactured, on the basis of the electrical conduction properties of this plate.
  • plates made of different materials may be available, one of them being selected according to the rated current for the connector 10 during manufacture.
  • the plate 11 is provided, in one or more localized areas, with an extra thickness to absorb a larger localized heating, this heating resulting from the flow of the current.
  • the average thickness of the plate 11 may vary depending on the nominal amperage of the connectors.
  • the invention has been represented with sets of connectors whose plates 11 have two or three different thicknesses within the same set. It also applies to any set of connectors comprising connectors whose thicknesses have more than two values. .

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Claims (14)

  1. Satz von Steckern (10, 10', 10"), von welchen jeder Stecker einen Leiter (A1-A5, B1-B4) eines Kabels (A, B) mit einem Messer (21, 22, 31, 32) einer Sicherung (3, 3', 3") oder leitenden Schiene (12) verbinden kann, wobei jeder Stecker einen Käfig (14) zur Aufnahme eines Leiterendes (E2, E'2) und eine Backe (15) zur Aufnahme eines Messers aufweist, wobei die Backe jedes Steckers aus einer Platte (11) aus elektrisch leitenderm Material besteht, die einen der Schenkel (151) der Backe bildet, und eine elastisch verformbare Klinge (12), die den anderen Schenkel (152) der Backe bildet, während die Eigenschaften der elektrischen Leitung der Platte (Figuren 5, 7, 8; 9, 10) von einem Stecker (10) zum anderen (10', 10") in Abhängigkeit von der Nennstärke des Stroms, der den Stecker durchquert, veränderlich sind.
  2. Satz von Steckern nach Anspruch 1, dadurch gekennzeichnet, dass die mittlere Stärke (e11) der Platte (11) von einem Stecker (10) zum anderen (10', 10") in Abhängigkeit von der Nennstärke veränderlich ist.
  3. Satz von Steckern nach Anspruch 2, dadurch gekennzeichnet, dass die mittlere Stärke (e11) für eine Nennstärke 10 und 100 A zwischen 0,5 und 3,5 mm liegt.
  4. Satz von Steckern nach Anspruch 3, dadurch gekennzeichnet, dass die mittlere Stärke (e11) für eine Nennstärke von 60 A gleich etwa 2 mm und für eine Nennstärke von 90 A gleich etwa 3 mm ist.
  5. Satz von Steckern nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Herstellungsmaterial der Platte von einem Stecker (10) zum anderen (10', 10") in Abhängigkeit von der Nennstärke veränderlich ist.
  6. Satz von Steckern nach einem der vorhergehenden Ansprüche, bei dem einer (10") der Stecker ein Nullleiterstecker ist, dadurch gekennzeichnet, dass die Eigenschaften der elektrischen Leitung der Platte (11) des Nullleitersteckers (10") von den Eigenschaften der elektrischen Leitung
    der Platten der anderen Stecker (10, 10') unterschiedlich sind,
  7. Satz von Steckern nach Anspruch 6, dadurch gekennzeichnet, dass die Stärke (e11) und/oder das Herstellungsmaterial der Platte des Nullleitersteckers (10") von der Stärke und/oder dem Herstellungsmaterial der Platte der anderen Stecker (10, 10') unterschiedlich ist/sind.
  8. Satz von Steckern nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Stärke (e11) der Platte (11) bei wenigstens bestimmten Steckern in bestimmten Bereichen der Platte größer ist als in dem Rest der Platte.
  9. Satz von Steckern nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Platte (11) und die Klinge (12) jedes Steckers auch die Käfig (14) genannte Einheit bilden.
  10. Satz von Steckern nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Platte (11) und die Klinge (12) auf dem Käfig (14) angebaut sind.
  11. Satz von Steckern nach Anspruch 10, dadurch gekennzeichnet, dass die Platte (11) mit einem gezahnten Teil (117) versehen ist, der im Inneren des Käfigs (14) aufgenommen und dazu bestimmt ist, einen Isoliermantel eines Endes (E2, E'2) eines Leiters (A1-A4, B1-B4) zur durchbohren.
  12. Verfahren zum Herstellen eines Steckers (10) zum Anschließen eines Leiters (A1, A4, B1-B4) eines Kabels (A-B) an ein Messer (21, 22, 31, 32) einer Sicherung (3, 3', 3") oder leitenden Schiene (2), wobei der Stecker einen Käfig (14) zur Aufnahme eines Leiterendes (E2, E'2) und eine Backe (15) zur Aufnahme eines Messers aufweist, dadurch gekennzeichnet, dass es die folgenden Schritte aufweist:
    - in Abhängigkeit von der Nennstärke des Steckers (10) Auswahl einer elektrisch leitenden Platte (11) und
    - Einbau der Platte in den Stecker (10), um einen (151) der Schenkel der Backe (15) zu bilden.
  13. Verfahren nach Anspruch 12, dadurch gekennzeichnet, dass die Platte (11) auf der Grundlage ihrer mittleren Stärke (e11) ausgewählt wird.
  14. Verfahren nach einem der Ansprüche 12 oder 13, dadurch gekennzeichnet, dass die Platte auf der Grundlage ihres Herstellungsmaterials ausgewählt wird.
EP07730878A 2006-01-30 2007-01-29 Satz aus elektrischen steckverbindern und verfahren zur herstellung eines derartigen steckverbinders Not-in-force EP1982344B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0600826A FR2896920B1 (fr) 2006-01-30 2006-01-30 Jeu de connecteurs de raccordement electrique et procede de fabrication d'un tel connecteur
PCT/FR2007/000160 WO2007085746A1 (fr) 2006-01-30 2007-01-29 Jeu de connecteurs de raccordement electrique et procede de fabrication d'un tel connecteur

Publications (2)

Publication Number Publication Date
EP1982344A1 EP1982344A1 (de) 2008-10-22
EP1982344B1 true EP1982344B1 (de) 2011-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07730878A Not-in-force EP1982344B1 (de) 2006-01-30 2007-01-29 Satz aus elektrischen steckverbindern und verfahren zur herstellung eines derartigen steckverbinders

Country Status (4)

Country Link
EP (1) EP1982344B1 (de)
AT (1) ATE528779T1 (de)
FR (1) FR2896920B1 (de)
WO (1) WO2007085746A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2999817A1 (fr) 2012-12-17 2014-06-20 Nexans Connecteur de raccordement d'un conducteur de cable a un couteau de fusible ou de barreau conducteur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1359746A (fr) 1964-08-07 Borne de connexion
FR2817400B1 (fr) 2000-11-24 2003-01-24 Mecelec Ind Connecteur electrique pour le raccordement d'un cable, et procede de fabrication d'un tel connecteur
FR2848732B1 (fr) * 2002-12-16 2005-05-06 Mecelec Ind Connecteur de connexion d'un cable conducteur dans un circuit
FR2859575B1 (fr) * 2003-09-10 2005-10-28 Cahors App Elec Connecteur electrique pour raccorder un conducteur electrique avec un composant electrique

Also Published As

Publication number Publication date
FR2896920A1 (fr) 2007-08-03
ATE528779T1 (de) 2011-10-15
WO2007085746A1 (fr) 2007-08-02
EP1982344A1 (de) 2008-10-22
FR2896920B1 (fr) 2008-04-11

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