EP3651273A1 - Elektrische anschlussvorrichtung der vor ein elektrisches schutzgerät geschalteten klemmen - Google Patents

Elektrische anschlussvorrichtung der vor ein elektrisches schutzgerät geschalteten klemmen Download PDF

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Publication number
EP3651273A1
EP3651273A1 EP19206810.4A EP19206810A EP3651273A1 EP 3651273 A1 EP3651273 A1 EP 3651273A1 EP 19206810 A EP19206810 A EP 19206810A EP 3651273 A1 EP3651273 A1 EP 3651273A1
Authority
EP
European Patent Office
Prior art keywords
tooth
terminal
connection device
intended
housing
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.)
Pending
Application number
EP19206810.4A
Other languages
English (en)
French (fr)
Inventor
Claude Burnot
Bernard Lebeau
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP3651273A1 publication Critical patent/EP3651273A1/de
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; 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
    • 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
    • H01R11/32—End pieces with two or more terminations
    • 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
    • H01R11/03—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 characterised by the relationship between the connecting locations
    • H01R11/09—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 characterised by the relationship between the connecting locations the connecting locations being identical
    • 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
    • H01R13/04—Pins or blades for co-operation with sockets
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675—Electrical interconnections between two blocks, e.g. by means of busbars

Definitions

  • Circuit breakers of the phase / neutral type having a width of 18mm intended to be mounted on a mounting rail, and comprising an electrical phase circuit and an electrical neutral circuit. These devices comprise upstream and situated on one side of the rail, two input terminals intended to supply the circuit, and downstream and situated on the other side of the rail, two output terminals making it possible to receive one or more cables, these terminals may be of the screw or elastic blade type.
  • the screw terminals make it possible to receive one or more cables, the terminals with elastic blades have two connection points arranged side by side and limiting the section to 4 mm 2 . Thus, it is not possible to connect more than two cables in the terminals with elastic blades and to use ferrules for flexible cables.
  • the present invention solves these problems and proposes an electrical connection device making it possible to adapt the number of connection points for rigid cables and to manage flexible cables with end caps having a cross section of up to 10 mm 2 .
  • the present invention relates to an electrical connection device of the kind mentioned above, this device being characterized in that it comprises on the one hand, a removable connector housed in a housing, said connector comprising at least one tooth extending towards the outside of the housing, the tooth (s) being able to be removably inserted in said abovementioned terminal (s), respectively, so as to establish the electrical connection between each tooth and the range of the corresponding terminal, the or each tooth being mechanically and electrically connected inside the connector to a contact pad, and on the other hand, at least two orifices provided in the housing to allow the introduction of the end portions of respectively at least two electric cables, until an electrical contact is established between these end parts and the aforementioned corresponding range, and means for elastic retaining of these end parts in a position of contact with the aforementioned range.
  • the abovementioned terminal or terminals of the first device are the downstream terminals of the device.
  • connection device is intended to be connected to an electrical protection device of the phase / neutral type having a width of substantially 18 mm comprising a phase terminal and a neutral terminal.
  • the aforementioned connector comprises at least one assembly, each assembly comprising a tooth mechanically and electrically connected to a pad supporting at least two elastic blades, said blades allowing each to receive a cable, the end part of the cables being able to be retained elastically between the corresponding blade and the pad in the cable connection position.
  • each assembly comprises actuating means capable of exerting pressure on the blade during their activation, so as to release the cable (s).
  • this connection device comprises two assemblies mounted in the same housing.
  • one of the assemblies is intended to be electrically connected to a phase terminal of the device while the other of the two sets is intended to be electrically connected to a neutral terminal.
  • this device comprises a single assembly mounted in a housing, said housing comprising three orifices intended respectively to receive the end parts of three cables, and three leaf springs capable of cooperating respectively with the three end parts of aforementioned cable.
  • the leaf springs are integral with each other.
  • the or each range of the connector comprises at least one cut, the number of cuts corresponding at least to the number of cables to be connected to the tooth associated with the range, each cut being intended to receive the end of a cable and cooperating with an elastic blade.
  • connection device A comprising a connector N intended to electrically connect the downstream terminals 1,2 of a modular device M such as a modular circuit breaker intended to be mounted on a rail mounting, at the input terminals of the starting devices (not shown).
  • the circuit breaker is of the phase / neutral type, having a width of approximately 18mm, that is to say comprising a phase output terminal 1 and a neutral output terminal 2.
  • the electrical connection of the device of connection A according to the invention to the device M is of the screwless type with a single connection point, that is to say that it is produced by insertion of a plug or tooth 3,4 belonging to the device connection A in the corresponding terminal of the device.
  • connection device A The electrical connection of the connection device A to the starting devices (not shown) is effected by means of two cables a, b electrically connected by one of their ends to the device according to invention A and by their end opposite to the devices of departure.
  • the connection device according to the invention provides two connection points i, j for each downstream terminal of the circuit breaker having only one connection point k.
  • the invention therefore allows a double connection by means of two flexible, rigid or flexible cables with ferrules, having a maximum section of 4 mm 2 downstream of a connection circuit breaker of the screwless type, for each terminal respectively of phase and neutral with a maximum section of 10mm 2 .
  • the connection device A comprises two copper teeth 3,4 able to be connected respectively in the elastic downstream terminals 1,2 of the screwless type of the modular device M, figures 3 and 4 .
  • Each tooth 3,4 is welded to a pad 5 receiving an elastic piece 6 comprising two spring blades 7,8, these spring blades being able to cooperate with the pad 5 so as to allow either the retention of two end portions respectively of two conductors a, b between track 5 and the blades 7,8 respectively, in order to establish the electrical contact between conductors a, b and track 5, that is to say the release of the end part of these conductors a, b with respect to this area 5 by the activation of an actuating means T able to press on the leaf springs 7,8 so as to allow the release of the conductors a, b.
  • this area 5 has two cutouts 9,10 forming two holes 11,12 allowing the passage respectively of the free end of two conductors a, b, these two holes being closed by the presence of a portion of leaf springs 7,8 in the inactivated position of the actuating means T, and being able to be released when the actuating means are activated so as to allow the introduction of these free ends of the conductors, these free ends then being retained in the holes 11,12, between the range and the leaf spring, when the actuating means T is no longer activated.
  • this connection device A is housed in a housing B, this housing comprising a central part c, this central part c comprising two orifices 13, 14 for connecting a cable a, b, and on the one hand and on the other side of this central part c, a recess 15, 16, each recess being intended to receive an assembly E as illustrated on the figure 5 , comprising a tooth 3,4, a track 5, a part 6 supporting two spring blades 7,8 and an actuating means T in the form of a pusher.
  • connection device also comprises two sides d, e able to be mounted on either side of this central part c, and fixed on this central part c, after mounting of the two assemblies each comprising a tooth 3,4, a range 5, two leaf springs 7,8 and a pusher T, respectively in the two recesses 15,16 provided in this central part c.
  • This device according to the invention makes it possible to connect one of the supply cables of the measuring aid to one of the output terminals of the connection device 13, 14, while retaining a free connection point for the connection cable. load.
  • connection device C offering three connection points l, m, n for each downstream terminal 1,2 of the circuit breaker M having only one connection point k.
  • connection of the connection device C to the downstream terminal 1, 2 of the circuit breaker M is effected by means of a tooth 17 capable of being introduced into a resilient downstream terminal 1.2 of the device M, as illustrated on the figure 8 illustrating two devices C, D according to this second embodiment of the invention, these devices being about to be electrically connected to the circuit breaker M.
  • these two devices C, D each have three connection points l, m, n and o, p, q able to each receive a cable for connection to a starting device, these cables r, s, t being illustrated on the figure 10 .
  • the invention therefore allows a triple connection by means of three rigid or flexible cables with ferrules having a maximum section of 4mm 2 downstream of a circuit breaker with connection of the screwless type, for each terminal of phase and neutral respectively having a maximum section of 10mm 2 .
  • this connection device comprises a tooth 17 preferably made of copper, this tooth 17 being integral with a connection pad 18 comprising three branches 19,20,21 extending substantially parallel to the longitudinal direction of the tooth, these three branches being intended to cooperate with a spring leaf 22 folded and comprising three partial cutouts 23,24,25 respectively forming three openings 26,27,28 able to be closed by a blade portion of substantially rectangular shape 29,30 , 31 connected by one of its edges to one of the edges of the opening forming a hinge for this portion of the blade.
  • This tooth secured to the beach as well as the spring blade are intended to be introduced inside an envelope constituted by two blanks 32, 33, this envelope allowing both the housing and the exit of the tooth outside. of said envelope.
  • This envelope constituted by the two joined blanks has on one of its sides, three orifices 34, 35, 36 intended to allow the introduction respectively of the end parts of three cables, these three end parts being able to be retained elastically between the leaf spring 22 and the branches 19, 20, 21 of the leaf 22, in the position connected by the cables to the connection device.
  • the teeth 17 of the connection devices extend in a direction parallel to the direction of introduction of the cables r, s, t into the orifices, the introduction and extension taking place in the same direction.
  • the introduction and extension are carried out in opposite directions to each other.
  • connection device C illustrates a first embodiment of the connection device C according to this third embodiment, in which the device comprises a tooth 37 integral with a pad 38 formed by a set of three connection elements 39, 40, 41 forming branches, these three elements being intended to cooperate with an elastic blade 42 comprising three cutouts 43,44,45 respectively forming three elastic strips 46,47,48 articulated with respect to the elastic blade 42.
  • the figure 17 illustrates another embodiment of this third embodiment of the connection device C, in which the tooth 49 is integral and electrically connected to two elements forming branches 50, 51 capable of cooperating with an elastic blade 52 extending over the entire width of the device of connection and comprising a first part 53 comprising two cutouts 54,55 and two corresponding elastic blades 56,57 capable of cooperating with the two aforementioned branches 50,51 and a second part 58 comprising three cutouts 59,60,61 associated with three strips elastic 62,63,64 able to cooperate with three end parts belonging respectively to three cables when these cables are connected.
  • the invention therefore allows a triple connection by means of three rigid or flexible cables with ferrules having a maximum section of 4mm 2 downstream of a circuit breaker with connection of the screwless type, for each terminal of phase and neutral respectively having a maximum section of 10mm 2 .
  • this blade operates with respect to the teeth and to the elements for connecting the pad as follows: A copper pad 65 in contact with the branches 50, 51 under the effect of the springs 56, 57 conducts the current to the three cutouts 59,60,61, capable of receiving the ends of the three cables (not shown) under the hinge effect of the leaf springs 62,63,64.
  • the attachment of the teeth to the pads can be carried out by any suitable means, for example by welding. It will also be noted that the spring blades may be independent from one another, or else be part of a single piece.
  • connection device of simple design has therefore been produced for the downstream terminals of an electrical appliance, making it possible to increase and adapt if necessary the number of points and the connection capacity of each terminal.
  • the invention makes it possible to propose a double connection each having a capacity of 4 mm 2 downstream of a device having only one output per phase having a maximum capacity of 10 mm 2 .
  • the connector makes it possible, from a downstream terminal of a device, to duplicate the number of connection points making it possible, depending on the types, to each receive a cable with a cross section of up to 4 mm 2 of rigid or flexible type with or without end caps.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP19206810.4A 2018-11-12 2019-11-04 Elektrische anschlussvorrichtung der vor ein elektrisches schutzgerät geschalteten klemmen Pending EP3651273A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1860407A FR3088493B1 (fr) 2018-11-12 2018-11-12 Dispositif de raccordement electrique des bornes aval d'un appareil de protection electrique

Publications (1)

Publication Number Publication Date
EP3651273A1 true EP3651273A1 (de) 2020-05-13

Family

ID=65861403

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19206810.4A Pending EP3651273A1 (de) 2018-11-12 2019-11-04 Elektrische anschlussvorrichtung der vor ein elektrisches schutzgerät geschalteten klemmen

Country Status (3)

Country Link
EP (1) EP3651273A1 (de)
CN (1) CN111180278A (de)
FR (1) FR3088493B1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9410614U1 (de) * 1994-07-01 1994-08-11 Weidmüller Interface GmbH & Co, 32760 Detmold Verbinder für elektrische Bus-Leiter
DE29502186U1 (de) * 1995-02-10 1995-03-30 Weidmüller Interface GmbH & Co, 32760 Detmold Elektrische Verteileranordnung
DE29514711U1 (de) * 1995-09-13 1995-11-02 Weidmüller Interface GmbH & Co, 32760 Detmold Reihenklemmenanordnung
CN202025864U (zh) * 2011-03-23 2011-11-02 宁波速普电子有限公司 一种***式连接器件
DE202010014008U1 (de) * 2010-10-07 2012-01-12 Weidmüller Interface GmbH & Co. KG Zusatzanschlussstecker
EP2482385A1 (de) * 2011-01-31 2012-08-01 Hager-Electro SAS Elektrische Geräte, die mit Haltemitteln für eine Überbrückungsvorrichtung ausgestattet sind

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9410614U1 (de) * 1994-07-01 1994-08-11 Weidmüller Interface GmbH & Co, 32760 Detmold Verbinder für elektrische Bus-Leiter
DE29502186U1 (de) * 1995-02-10 1995-03-30 Weidmüller Interface GmbH & Co, 32760 Detmold Elektrische Verteileranordnung
DE29514711U1 (de) * 1995-09-13 1995-11-02 Weidmüller Interface GmbH & Co, 32760 Detmold Reihenklemmenanordnung
DE202010014008U1 (de) * 2010-10-07 2012-01-12 Weidmüller Interface GmbH & Co. KG Zusatzanschlussstecker
EP2482385A1 (de) * 2011-01-31 2012-08-01 Hager-Electro SAS Elektrische Geräte, die mit Haltemitteln für eine Überbrückungsvorrichtung ausgestattet sind
CN202025864U (zh) * 2011-03-23 2011-11-02 宁波速普电子有限公司 一种***式连接器件

Also Published As

Publication number Publication date
FR3088493A1 (fr) 2020-05-15
FR3088493B1 (fr) 2022-05-13
CN111180278A (zh) 2020-05-19

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