EP0892420B1 - Discontacteur à maximum avec cliquet pour la protection des moteurs - Google Patents

Discontacteur à maximum avec cliquet pour la protection des moteurs Download PDF

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Publication number
EP0892420B1
EP0892420B1 EP97121795A EP97121795A EP0892420B1 EP 0892420 B1 EP0892420 B1 EP 0892420B1 EP 97121795 A EP97121795 A EP 97121795A EP 97121795 A EP97121795 A EP 97121795A EP 0892420 B1 EP0892420 B1 EP 0892420B1
Authority
EP
European Patent Office
Prior art keywords
slide
main
spring
circuit breaker
main slide
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.)
Expired - Lifetime
Application number
EP97121795A
Other languages
German (de)
English (en)
Other versions
EP0892420A2 (fr
EP0892420A3 (fr
Inventor
Hans-Peter Meili
Karin Spengler
Stephan Spengler
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.)
Rockwell Automation Switzerland GmbH
Original Assignee
Rockwell Automation AG
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 Rockwell Automation AG filed Critical Rockwell Automation AG
Publication of EP0892420A2 publication Critical patent/EP0892420A2/fr
Publication of EP0892420A3 publication Critical patent/EP0892420A3/fr
Application granted granted Critical
Publication of EP0892420B1 publication Critical patent/EP0892420B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel
    • 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
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H01H71/462—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts housed in a separate casing, juxtaposed to and having the same general contour as the main casing

Definitions

  • the present invention relates to a latching mechanism for a electrical overcurrent protection switch, in particular for a motor protection switch with a toggle lever, by a manual actuator Tensionable switch lock, with an overcurrent tripable, the tripped position of the switch lock causing trigger pawl, wherein the Hand actuator is latched in the released position and with Means for transmitting a tripped message to an auxiliary switch.
  • the main actuators of the switching device consist of a manual actuating device, which is operatively connected to a switch lock stands and a toggle, by the manual actuator strained and either by the manual actuator itself or by thermal or magnetic tripping devices triggered by buckling can be.
  • this switching device means for the transmission of a Triggered message provided on an auxiliary switch.
  • the for the manual actuator provided return spring acts on the toggle and thus influences the tripping forces of the switching device. Because this return spring on acting on the knee lever, the required in a door coupling drive, greater restoring force can not be achieved without special measures.
  • the Assembly of this switching device is due to the many joints, in particular in a fully automated assembly also difficult.
  • the object of the present invention is to provide an economically advantageous Verklinkungsmechanismus of the type mentioned to develop, the consists of a few parts, is easy to assemble and in which the on the Manual actuating device acting restoring force according to the given needs can be adjusted.
  • the main slide can be box-shaped and the main spring in the box-shaped Cavity be housed, with the helical main spring with her one end on the chest wall and with her other End at a protruding into the cavity of the main slide, fixed stop supported. This measure allows on the one hand a space-saving accommodation the main spring and on the other hand, that the main spring only on the Main slide works.
  • the main slide carries with advantage a positive connection with the hand actuator serving rack.
  • the rack allows a simple, positive connection between the one corresponding Gear carrying hand actuator and the main slider.
  • the message slider advantageously has a protruding from the chamber, for the attack by the release latch provided release on.
  • the message slider may project from the chamber for transmission a trigger message on an auxiliary switch specific reporting nose exhibit.
  • the reporting nose allows easy coupling of auxiliary contacts to the triggered message.
  • the message slider advantageously has one of two elastically resilient jaws existing snapper in the latched position of the latching mechanism detachably latched to a detent formed on the chamber. This simple arrangement allows a secure locking of the latching mechanism in the tripped position.
  • the two figures 1 and 2 show in exploded views of different View the components of a latch mechanism.
  • This Latch mechanism is for an electrical overcurrent circuit breaker, provided in particular for a motor protection switch.
  • the one in the drawings not shown, for example from Swiss patent application no 00307/96 dated 06.02.1996 the same applicant known overcurrent protection has a switch lock with a toggle lever, wherein the switch lock can be tensioned by a manual actuation device.
  • the overcurrent protection switch is provided with a release latch, which by an overcurrent is triggered and also on the Verklinkungsmechanismus on the switch lock acts.
  • the Verklinkungsmechanismuus locks the manual actuator in the tripped position and actuates the transmission of the tripped message means provided on an auxiliary switch, which is usually contains a lever or a plunger.
  • a stationary chamber 1 shown in FIGS. 1 and 2 is connected to one another provided vertically oriented guide elements. On the chamber 1 is above a main slide 2 and perpendicular to a message slide 3 out. In the lower part of the chamber 1 is a jump lever 4 with the help of an inserted Bolt 5 pivotally mounted.
  • the main spool 2 is provided with a slot 6, in which a at the Chamber 1 molded comb 47 leader intervenes.
  • On the upper surface of the main spool 2 are two Cam 9 mounted in the housing part, not shown, in guide grooves intervention.
  • the main slide 2 carries on the side of a rack 10, which for a positive connection with a geared, not shown hand-operated device is determined.
  • the main slide 2 is box-shaped and has a cavity 11. In this cavity 11 is a helical main spring 12 is inserted.
  • the mainspring 12 is supported in the assembled state with its one end on the box wall 13th and with its other end to one in the cavity 11 of the main spool. 2 protruding, integrally formed on the chamber 1 stop 14.
  • the main slider has at its the registration slide 3 end facing a slanted extension 15 on. As will be explained later, the angular position of the Run-up slope 16 of this inclined extension 15, the position of the manual drive device in the tripped position.
  • a control lug 17 on the main slide 2 determined with its Ausschaltschräge 18 the breaking moment and with her Einschaltschräge 19 the switch-on of the overcurrent protection switch, as it will be explained later.
  • the main slide 2 has in the following a planar Sprung lever support 20, which is the support surface 21 of the jump lever. 4 in the ON position of the overcurrent circuit breaker supports.
  • the message slider 3 is with its rib 22 in the slot 23 of the chamber. 1 guided.
  • the message slider 3 is by the message slider spring 24 in the Chamber 1 pressed into it.
  • the message slider spring 24 is supported at the top of only indicated by a small section housing 25 and at the bottom of an am Message slider 3 molded pin 26 from.
  • the message slider 3 has an im mounted state protruding from the chamber 1, for attack by the Release latch provided release lug 27 on.
  • At the message slider 3 is a with the Ausschaltschräge 18 on the main slide 2 cooperating Ausschaltschräg Structure 28 molded.
  • At the back of this Ausschaltschräg Structure 28 is another, cooperating with the turn-19 Slope 43, which is visible only in Figures 4 and 11.
  • the message slider 3 is with a in the assembled state from the chamber 1 above reporting nose 30 provided.
  • the message slider 3 has one of two elastically resilient Bake 31, 32 existing snapper on. In the latched position of the Verklinkungsmechanismus lock these jaws 31, 32 with a on the Chamber 1 molded detent 33 releasably. Lie in the locked position the jaws 31, 32 on the two sides of the latching nose plate 34th
  • the jump lever 4 is in the lower part of the chamber 1 by means of the bolt. 5 pivoted.
  • a jump nose 35 is in the assembled state of Chamber 1 before and supports in the on position in overcurrent protection switch the knee joint of the switch lock.
  • the jump lever 4 is below the Effect of spring lever spring 36, which with its one end on the pin 37th the jump lever 4 and with its other end on the housing, not shown supported.
  • the spring lever 36 ensures that when switching the Support surface 21 of the jump lever 4 on the jump lever support 20 on the main slide 2 comes to rest.
  • FIG. 3 shows the Verklinkungsmechanismus at the beginning of a switch-on from the off position.
  • the main slide 2 is not with the shown manual actuating device via the rack 10 in the arrow direction 38 pushed.
  • the housed in the main slide 2 main spring 12 is gas-filled.
  • the message slider 3 of the flat Einschaltschräge 19 upward, in the direction of arrow 39 moves and thereby the Signaling spring 24 tensioned, as shown in Figure 4.
  • Fig.5 shows by the message slider spring 24 back to its rest position reset.
  • the main slider 2 reaches with the Rack 10 its final position. Due to the steep cut-off inclined surface 28 of the message slider 3, the main slide 2 remains in this position when released the manual actuator.
  • the latch mechanism is engaged, as Figure 5 shows in the closed position.
  • the main slide 2 then moves automatically, conditioned by the main spring 12 in the Ausschalttraum.
  • the spring lever support 20 located on the main slide 2 moves away from the support surface 21 of the jump lever 4.
  • the message slide 3 the latched tripped position has reached, the main spool 2 can not return to the off position. This is due to the ramp 16 and the casserole counter bevel 29 reached, because these two abut, as shown in Figure 12 shows.
  • the main slide 2 and thereby also the form-fitting connected Manual operating device remain in the released position.
  • the unique Position of the message slider 3 in the tripped position is via the message nose 30 used to actuate auxiliary switching elements for collecting alarm message.

Landscapes

  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Generators And Motors (AREA)

Claims (6)

  1. Disjoncteur de surintensité notamment disjoncteur de moteur, comportant un mécanisme de verrouillage, le disjoncteur ayant :
    une serrure de commutation comportant un levier à genouillère s'enclenchant par un dispositif d'actionnement manuel,
    un verrou de déclenchement déclenché par une surintensité pour mettre la serrure de commutation en position déclenchée,
    le dispositif d'actionnement manuel étant verrouillé en position déclenchée et
    des moyens pour transmettre un message de déclenchement à un commutateur auxiliaire,
    caractérisé en ce que
    le mécanisme de verrouillage comporte une chambre fixe (1) munie d'éléments de guidage alignés perpendiculairement l'un à l'autre,
    un coulisseau principal (2), relié par une liaison de forme au dispositif d'actionnement manuel, ayant une position marche, une position arrêt et une position déclenchée, étant conduit par cette chambre dans la direction de coupure du dispositif d'actionnement manuel par un ressort principal (12),
    et un coulisseau de signalisation (3) coulissant longitudinalement dans la chambre (1), perpendiculairement à la direction de coulissement du coulisseau principal (2), dans la direction opposée à celle du coulisseau principal (2), sollicité par son ressort (24), et ayant une position marche, une position arrêt et une position déclenchée,
    un levier de déclenchement (4) chargé par son ressort (36), soutenant le point d'articulation du levier à genouillère de la serrure de commutation dans la position enclenchée du disjoncteur, étant monté pivotant dans la partie de la chambre (1) à l'opposé du coulisseau principal (2),
    et pour un mouvement d'enclenchement du disjoncteur, le coulisseau de signalisation (3) est déplacé en coopération par le coulisseau principal (2) sur des surfaces inclinées (19, 28) du coulisseau principal (2) et du coulisseau de signalisation (3) contre l'action du ressort (24) du coulisseau de signalisation (3) et il s'accroche derrière une autre rampe de déclenchement (18) du coulisseau principal (2),
    le coulisseau principal (2) soutenant le levier de déclenchement (4) lors du mouvement de coupure du disjoncteur, la rampe de déclenchement (18) déplace le coulisseau de signalisation (3) sur le coulisseau principal (2) contre l'action du ressort (24), en déverrouillant de façon que le coulisseau principal (2) soumis à l'action du ressort principal (12) passe en position d'arrêt et supprime l'appui (20) du levier de déclenchement pour un déclenchement du disjoncteur par une surintensité, le verrou de déclenchement du disjoncteur déplace le coulisseau de signalisation (3) dans une position d'arrêt contre l'action du ressort (24) et laisse en position déclenchée le coulisseau principal (2) et le dispositif d'actionnement manuel relié à celui-ci par une liaison de forme par l'intermédiaire d'une rampe de remontée, opposée (29),
    le support de levier (20) appliqué contre le coulisseau principal (2) disparaissant et libérant le levier (4) et pour le rappel du dispositif d'actionnement manuel, le coulisseau principal (2) déverrouille le coulisseau de signalisation (3) par l'intermédiaire d'une rampe (16) et permet d'arriver dans la position de coupure.
  2. Disjoncteur de surintensité selon la revendication 1,
    caractérisé en ce que
    le coulisseau principal (2) est en forme de caisson et le ressort principal (12) est logé dans la cavité (11) en forme de caisson,
    le ressort principal (12), hélicoïdal, s'appuie par une extrémité contre la paroi (13) du boítier et par son autre extrémité contre une butée fixe (14) venant en saillie dans la cavité (11) du coulisseau principal (2).
  3. Disjoncteur de surintensité selon la revendication 1,
    caractérisé en ce que
    le coulisseau principal (2) porte une crémaillère (10) servant à une liaison par la forme avec le dispositif d'actionnement manuel.
  4. Disjoncteur de surintensité selon l'une des revendications 1 à 3,
    caractérisé en ce que
    le coulisseau de signalisation (3) comporte un bec de déclenchement (27) en saillie de la chambre (1) pour servir de prise au verrou de déclenchement.
  5. Disjoncteur de surintensité selon l'une des revendications 1 à 4,
    caractérisé en ce que
    le coulisseau de signalisation (3) comporte un bec de signalisation (30) dépassant de la chambre (1) et destiné à transmettre un message de déclenchement à un commutateur auxiliaire.
  6. Disjoncteur de surintensité selon l'une des revendications 1 à 5,
    caractérisé en ce que
    le coulisseau de signalisation (3) comporte un organe d'encliquetage formé de deux mâchoires élastiques (31, 32), ce dispositif d'encliquetage accrochant de manière amovible, en position verrouillée, le mécanisme de verrouillage sur un bec d'encliquetage (33) formé dans la chambre (1).
EP97121795A 1997-07-14 1997-12-11 Discontacteur à maximum avec cliquet pour la protection des moteurs Expired - Lifetime EP0892420B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1713/97 1997-07-14
CH171397 1997-07-14
CH171397 1997-07-14

Publications (3)

Publication Number Publication Date
EP0892420A2 EP0892420A2 (fr) 1999-01-20
EP0892420A3 EP0892420A3 (fr) 1999-05-12
EP0892420B1 true EP0892420B1 (fr) 2005-04-27

Family

ID=4216866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97121795A Expired - Lifetime EP0892420B1 (fr) 1997-07-14 1997-12-11 Discontacteur à maximum avec cliquet pour la protection des moteurs

Country Status (4)

Country Link
US (1) US6031195A (fr)
EP (1) EP0892420B1 (fr)
AT (1) ATE294449T1 (fr)
DE (1) DE59712286D1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004056376A1 (de) * 2004-11-23 2006-06-01 Abb Patent Gmbh Einrichtung zur Anzeige einer Auslösung aufgrund eines Kurzschlussstromes in einem elektrischen Schaltgerät
DE102004056300A1 (de) * 2004-11-23 2006-06-08 Abb Patent Gmbh Einrichtung zur Anzeige und Signalisierung einer Auslösung eines elektrischen Schaltgerätes durch einen Kurzschlussstrom
WO2008005444A2 (fr) * 2006-06-30 2008-01-10 Molex Incorporated Connecteur à verrouillage de faible encombrement et languette de traction pour le déverrouiller
US7788055B2 (en) 2006-07-14 2010-08-31 Square D Company Method and system of calibrating sensing components in a circuit breaker system
US7869169B2 (en) * 2006-07-14 2011-01-11 William Davison Method and system of current transformer output magnitude compensation in a circuit breaker system
US7592888B2 (en) * 2006-07-14 2009-09-22 Jason Robert Colsch Low cost user adjustment, resistance to straying between positions, increased resistance to ESD, and consistent feel
US7791849B2 (en) * 2006-07-14 2010-09-07 William Davison Redundant trip activation
US8154373B2 (en) * 2006-07-14 2012-04-10 Schneider Electric USA, Inc. Circuit breaker-like apparatus with combination current transformer
US7859802B2 (en) * 2006-07-14 2010-12-28 William Davison Burden resistor temperature compensation algorithm
US7697250B2 (en) * 2006-07-14 2010-04-13 William Davison Switch-to-trip point translation
US7550939B2 (en) * 2006-07-14 2009-06-23 William Davison Redundant instantaneous trip detection
US7869170B2 (en) * 2006-07-14 2011-01-11 Susan Jean Walker Colsch Method and system for time synchronized trip algorithms for breaker self protection
US7683586B2 (en) * 2006-07-14 2010-03-23 Davison William C Method and system of fault powered supply voltage regulation
US8179696B2 (en) * 2010-01-18 2012-05-15 Eaton Corporation Electrical switching apparatus and mounting assembly therefor
US20130194059A1 (en) * 2010-05-21 2013-08-01 William R. Parr Modular skid frame
DE102011087551B3 (de) * 2011-12-01 2013-04-04 Siemens Aktiengesellschaft Verriegelungsmechanismus für einen Einschaltknopf eines Leistungsschalters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119165C2 (de) * 1981-05-14 1986-05-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Selbstschalter als Baueinheit aus einem Leitungsschutzschalter sowie Hilfs- und Signalschaltern
DE3837461A1 (de) * 1988-11-04 1990-05-10 Kloeckner Moeller Elektrizit Kurzschlussmelder
DE3907094A1 (de) * 1989-03-04 1990-09-06 Kopp Gmbh & Co Kg Heinrich Anbauschalter fuer elektrische schutzschaltgeraete
DE4304771C1 (de) * 1993-02-17 1994-03-24 Kloeckner Moeller Gmbh Schaltvorrichtung für Leistungsschaltgeräte
FR2704090B1 (fr) * 1993-04-16 1995-06-23 Merlin Gerin Declencheur auxiliaire pour disjoncteur.
DE59306530D1 (de) * 1993-06-15 1997-06-26 Kopp Heinrich Ag Hilfs- und Signalschalter für Schutzschaltgeräte
US5576677A (en) * 1995-06-07 1996-11-19 Eaton Corporation Dual action armature
EP0847070B1 (fr) * 1996-02-06 2002-06-12 Rockwell Automation AG Disjoncteur de surintensité, en particulier disjoncteur pour moteur

Also Published As

Publication number Publication date
ATE294449T1 (de) 2005-05-15
US6031195A (en) 2000-02-29
EP0892420A2 (fr) 1999-01-20
DE59712286D1 (de) 2005-06-02
EP0892420A3 (fr) 1999-05-12

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