EP1650780B1 - Déclencheur électromagnétique et appareil de protection électronique le comportant - Google Patents

Déclencheur électromagnétique et appareil de protection électronique le comportant Download PDF

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Publication number
EP1650780B1
EP1650780B1 EP20050354032 EP05354032A EP1650780B1 EP 1650780 B1 EP1650780 B1 EP 1650780B1 EP 20050354032 EP20050354032 EP 20050354032 EP 05354032 A EP05354032 A EP 05354032A EP 1650780 B1 EP1650780 B1 EP 1650780B1
Authority
EP
European Patent Office
Prior art keywords
cradle
trip device
armature
foregoing
mentioned
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
EP20050354032
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1650780A1 (fr
Inventor
Nadine Serrano
Alain Karczewski
Audrey Olivier
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 EP1650780A1 publication Critical patent/EP1650780A1/fr
Application granted granted Critical
Publication of EP1650780B1 publication Critical patent/EP1650780B1/fr
Active 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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements
    • H01H71/323—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements with rotatable armature
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/325—Housings, assembly or disposition of different elements in the housing
    • H01H71/326—Sealed housings

Definitions

  • the present invention relates to an electromagnetic actuator comprising a cradle supporting a U-shaped armature whose ends form two polar surfaces cooperating with a pivoting pallet with respect to said armature, said pallet being able to be brought onto said polar surfaces to close the circuit.
  • magnetic constituted by the frame and the pallet, a trigger coil mounted around a carcass surrounding the magnetic circuit capable of counteracting the force of the magnet so as to move the pallet, said trigger also comprising a reset pin of the pallet slidably mounted in a support.
  • the relay pin is mechanically and functionally connected to the relay pallet via a plurality of parts, namely a housing, a plate, the frame, the coil housing or the hinge.
  • triggers of the kind mentioned above such as those described in US Pat. EP 0829895 , EP 0786789 , EP 0643410 , EP 4110660 and EP 1469500 wherein the nipple support is the housing. All these triggers put into operation a large number of parts. So that the pin is in an area that allows optimum operation of the relay, it is necessary that the parts mentioned respect a large number of dimensional tolerances, which decreases the safety of the relay.
  • the present invention solves these problems and provides an electromagnetic trip device, and an electrical protection device having it having a reduced number of parts resulting in improved reliability.
  • the subject of the present invention is a trigger, this trigger being characterized in that the aforementioned cradle comprises the aforementioned nipple support.
  • the aforementioned cradle comprises the abovementioned carcass.
  • the cradle comprises a part supporting the armature, which part is connected to the carcass, said carcass being connected to the support of the stud.
  • the carcass of the coil comprises a shaft having a longitudinal opening adapted to receive one of the arms of the U of the armature.
  • the aforementioned opening is delimited by two opposite walls of the carcass intended to cooperate with two opposite surfaces of the aforementioned branch of the frame.
  • the cradle comprises a spring-forming element integrally formed with said cradle.
  • the cradle comprises pins connected by one of their ends to the winding of the aforementioned coil. According to another characteristic, the cradle comprises means for positioning and holding the magnet.
  • the release further comprises a metal part welded to the frame and having a spring clip.
  • the aforesaid magnet is welded to the aforementioned metal part.
  • the aforementioned metal part forms a hinge stop of the pallet.
  • this trigger includes clipping means provided on the cradle to achieve the removable attachment of the frame on the cradle.
  • the cradle comprises a wall constituting a stop in translation of the nipple.
  • the cradle comprises a sealing portion cooperating with the opening of the housing for the passage of the stud.
  • the sub-assembly armature / cradle is mounted on a plate cooperating sealing with a housing.
  • the invention also relates to an electrical protection device such as a switch or a circuit breaker having a trigger comprising the previously mentioned features taken alone or in combination.
  • FIG. 1 shows an electromagnetic release D comprising, in a manner known per se, a cradle 1 supporting a U-shaped armature 2 whose ends form two polar surfaces cooperating with a pallet 3 pivoting relative to said armature 2, said pallet 3 being adapted to be brought on said polar surfaces to close the magnetic circuit constituted by the armature 2 and the pallet 3.
  • This trigger D also comprises a tripping coil 4 mounted around a carcass 5 surrounding the magnetic circuit, said coil being able to counteract the force of a magnet 6 so as to to move the pallet 3.
  • This trigger D also comprises a reset stud 7 of the pallet 3 adapted to act on a blade 8 fixed on the pallet 3 and intended to dampen the impact of rearming forces, said stud serving as a trigger for mechanism of the apparatus in which the relay is placed, and a return spring 9 of the pallet 3.
  • a reset stud 7 of the pallet 3 adapted to act on a blade 8 fixed on the pallet 3 and intended to dampen the impact of rearming forces
  • said stud serving as a trigger for mechanism of the apparatus in which the relay is placed
  • the cradle 1 comprises a first portion 10 supporting the armature 2 and the magnet 6 and a second portion 11 integral with the first, forming the carcass 5 of the coil 4.
  • the cradle 1 comprises a support 12 of nipple 7 integrally with the first 10 and second 11 aforementioned parts.
  • This support 12 comprises a first portion 13 connected to the carcass 5 and extending substantially perpendicularly to said carcass 5, a second portion 14 extending substantially perpendicular to the first 13 and a third portion 15 extending substantially perpendicular to the second 14 and having an orifice 16 for passage of the stud 7.
  • the carcass 5 of the reel 4 comprises a shaft 17 supported by the first part 10 of the cradle 1 and having a longitudinal recess 18 intended to receive one 19 of the branches 19,20 of the U of the frame 2, while the another branch 20 of the U passes through the first part 10 of the cradle 1, this branch 20 of the U being held by the cradle 1 by means of two clips 21,22 as shown in FIG. 3.
  • the cradle 1 thus positions the armature 2 transversely by plane support of the inner face 23 of the armature 2 on the lower face 24 of the cradle 1, longitudinally, via centralizers a, b, and laterally, by adjusting the sides 25, 26 of the frame 2 with the inner sides 27,28 of the cradle 1.
  • the cradle 1 positions and holds the magnet 6 by adjusting the shape of the magnet 6 and an opening 29 provided in the cradle 1, as illustrated in FIG. 2.
  • the relay cradle 1 also supports the pins 30 which are connected by one of their ends to the winding 4.
  • the cradle 1 further comprises a wall 32 (fig.1) forming a stop allowing the relay to remain functional without housing or platinum, providing support to the pallet 3 when it tilts on its articulation in the open position.
  • a specific form 33 of the cradle 1 makes it possible to fasten the spring 9.
  • the cradle 1 by its specific shapes, ensures that the relay is sealed with a housing 34 at the level of the upper part 35 of the support. 12 of the stud 7, which cooperates with an orifice 36 provided in the housing 34.
  • the trigger D it further comprises a metal part 37 welded to the frame 2.
  • the spring-hook shape 38 is obtained by cutting and bending of a portion of this metal piece 37.
  • the latter also allows the positioning of the magnet 6 by the shape of its two legs 39,40, the maintenance of the magnet 6 by welding, and realizes a rear stopper. articulation 41 of the pallet-blade subassembly.
  • the armature subassembly 2 and cradle 1 is held on a plate 42, the latter also serving as a cover for a casing 43 which fits on said plate 42. is made between the plate 42 and the housing 43.
  • the carcass of the spool without material on the flanks makes it possible to improve safety by playing on the rib chains.
  • the aforementioned opening 18 in the barrel 17 is delimited by two opposite walls 44, 45 intended to cooperate with two opposite surfaces 46, 47 of the aforementioned branch 19 of the frame 2.
  • An electromagnetic actuator having a cradle for guiding the stud, sealing the cradle with the casing, comprising the casing of the winding, supporting the connectors of the winding, maintaining the magnetic parts of the relay, has therefore been realized thanks to the invention.
  • the magnet and the armature comprising a spring clip and constituting a mechanical and functional referential of the stud with respect to the subassembly comprising the armature and the pallet of the relay. All these functions being provided by the cradle, this allows the trigger to be functional without its case and its platinum.
  • the safety of the relay is improved by the simplification of the edge chains, this simplification being due to the fact that the cradle guides the pin and references the pin with respect to the magnetic subassembly composed of the frame and the blade with its blade .
  • the functional subassembly includes the pin, casing, coil, connectors, armature, magnet, hinge stop, pallet, blade and spring. This cradle can be made by plastic injection.
  • the invention is particularly applicable to differential switches and circuit breakers as well as any other device that may use a trigger.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Electromagnets (AREA)
  • Braking Arrangements (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
EP20050354032 2004-10-21 2005-09-13 Déclencheur électromagnétique et appareil de protection électronique le comportant Active EP1650780B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0411219A FR2877137B1 (fr) 2004-10-21 2004-10-21 Declencheur electromagnetique et appareil de protection electrique le comportant

Publications (2)

Publication Number Publication Date
EP1650780A1 EP1650780A1 (fr) 2006-04-26
EP1650780B1 true EP1650780B1 (fr) 2007-11-21

Family

ID=34949972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050354032 Active EP1650780B1 (fr) 2004-10-21 2005-09-13 Déclencheur électromagnétique et appareil de protection électronique le comportant

Country Status (10)

Country Link
EP (1) EP1650780B1 (ru)
CN (1) CN1763884B (ru)
AR (1) AR052022A1 (ru)
AU (1) AU2005225079B2 (ru)
BR (1) BRPI0504334B1 (ru)
DE (1) DE602005003424T2 (ru)
EA (1) EA009364B1 (ru)
ES (1) ES2297651T3 (ru)
FR (1) FR2877137B1 (ru)
NO (1) NO329729B1 (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8013695B2 (en) * 2007-04-27 2011-09-06 Mitsubishi Electric Corporation Electronic overload relay
DE102009025513A1 (de) * 2009-06-19 2010-12-30 Ellenberger & Poensgen Gmbh Elektronischer Schutzschalter
EP2434519A1 (en) * 2010-09-27 2012-03-28 ABB Technology AG Magnetic actuator with two-piece side plates for a circuit breaker
CN106169712B (zh) * 2016-09-29 2019-01-11 协成科技股份有限公司 竖向平装式高压负荷开关-熔断器组合电器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1100916A (fr) * 1954-03-08 1955-09-26 Interrupteur-disjoncteur à fonctionnement manuel et automatique
BE759996A (fr) * 1970-01-02 1971-05-17 Felten & Guilleaume Schaltanl Declencheur pour disjoncteur de protection a courant de defaut
IT209349Z2 (it) * 1985-10-15 1988-10-05 Elettrocondutture Struttura di attuatore elettromagnetico polarizzato.
FR2620264B1 (fr) * 1987-09-03 1989-12-01 Merlin Gerin Declencheur magnetique a articulation a couteau
IT226720Z2 (it) * 1992-06-25 1997-07-01 Abb Elettrocondutture Spa Dispositivo attuatore elettromagnetico polarizzato
ES1025695Y (es) 1993-09-09 1994-07-16 Electric Distrib & Contr Es Sa Rele perfeccionado.
EP0786789B2 (de) 1996-01-23 2009-01-14 ABB Schweiz AG Joch für einen vorzugsweise in einem Fehlerstrom-Schutzschalter einsetzbaren Magnetauslöser
DE19637077A1 (de) 1996-09-12 1998-03-19 Maier & Cie C Permanentmagnet für den magnetischen Kreis eines vorzugsweise in einem Fehlerstromschutzschalter einsetzbaren Magnetauslösers
DE19837059A1 (de) * 1998-08-17 2000-02-24 Maier & Cie C Auslösevorrichtung für einen Schutzschalter, insbesondere einen Fehlerstrom-Schutzschalter
FR2823369B1 (fr) * 2001-04-06 2003-10-24 Realisation De Disjoncteurs So Declencheur electromagnetique comportant un circuit electromagnetique reposant sur un socle deformable elastiquement et declencheur electromagnetique comprenant une bobine flottante
EP1469500B1 (de) * 2003-04-15 2007-06-06 Siemens Aktiengesellschaft Magnetsystem für ein Klappankerrelais

Also Published As

Publication number Publication date
EP1650780A1 (fr) 2006-04-26
AU2005225079A1 (en) 2006-05-11
EA009364B1 (ru) 2007-12-28
AR052022A1 (es) 2007-02-28
DE602005003424D1 (de) 2008-01-03
ES2297651T3 (es) 2008-05-01
CN1763884A (zh) 2006-04-26
FR2877137B1 (fr) 2006-12-22
BRPI0504334A (pt) 2006-06-27
DE602005003424T2 (de) 2008-09-25
BRPI0504334B1 (pt) 2017-06-20
NO329729B1 (no) 2010-12-06
CN1763884B (zh) 2010-04-14
EA200501494A1 (ru) 2006-04-28
AU2005225079B2 (en) 2009-12-10
FR2877137A1 (fr) 2006-04-28
NO20054891L (no) 2006-04-24
NO20054891D0 (no) 2005-10-21

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