EP0892420A2 - Discontacteur à maximum avec cliquet pour la protection des moteurs - Google Patents

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

Info

Publication number
EP0892420A2
EP0892420A2 EP97121795A EP97121795A EP0892420A2 EP 0892420 A2 EP0892420 A2 EP 0892420A2 EP 97121795 A EP97121795 A EP 97121795A EP 97121795 A EP97121795 A EP 97121795A EP 0892420 A2 EP0892420 A2 EP 0892420A2
Authority
EP
European Patent Office
Prior art keywords
slide
main
spring
switch
signaling
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.)
Granted
Application number
EP97121795A
Other languages
German (de)
English (en)
Other versions
EP0892420A3 (fr
EP0892420B1 (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 latch mechanism for a electrical overcurrent protection switch, in particular for a motor protection switch with a toggle lever, by a manual operating device tensionable switch lock, with a triggerable by an overcurrent, the triggered position of the switching lock effecting release pawl, the Manual control device is latched in the released position and with Means for the transmission of a trip message to an auxiliary switch.
  • EP-B1-0612089 describes a switching device for power switching devices known.
  • the main actuators of the switching device consist of a manual override that is operatively connected to a key switch stands and from a toggle lever by the manual override cocked and either by the manual control device itself or by thermal or magnetic release devices triggered by buckling can be.
  • this switching device there are means for transmitting a Tripped message provided on an auxiliary switch.
  • the one for the manual control device The provided return spring acts on the toggle lever and thus influences the triggering forces of the switching device. Because this return spring is on acts on the toggle lever, the greater restoring force cannot be achieved without special measures.
  • the Assembly of this switching device is due to the many articulations, in particular with a fully automated assembly also difficult.
  • the object of the present invention is an economically advantageous To develop latching mechanism of the type mentioned at the beginning, the consists of a few parts, is easy to assemble and in which the on Manual operating device resetting force according to the given needs can be adjusted.
  • the task is solved in that one with perpendicular to each other fixed guide provided with aligned guide elements is provided, on which a form-fittingly connected to the manual operating device OFF, ON and tripped positions in the switch-off direction of the Manual control device by a main spring spring-loaded main slide is guided and in the chamber perpendicular to the direction of displacement of the Main slide in the direction away from the main slide by a Signaling slide spring with spring-loaded ON, OFF and tripped positions longitudinally displaceable signal slide is performed and in which Part of the chamber facing away from the main slide in the on position of the Overcurrent protection switch the hinge point of the knee lever of the key switch supportive, towards the joint of the knee lever by means of a spring lever spring-loaded spring lever is pivotally mounted, with a switch-on movement of the overcurrent protection switch of the signaling slide via interacting Sloping surfaces on the main slide and on the signal slide against the effect the signal slide spring moved by the main slide and behind one additional switch-off bevels on the main slide are locked, the main slider supports
  • This latching mechanism consists of relatively few parts and is also easy to install in a fully automated assembly. Because the Main slide in the on position of the overcurrent protection switch on the signal slide is locked, the main spring only acts on the main slide and influences the toggle lever and thereby the triggering forces of the overcurrent protection switch Not.
  • the main slide can be box-shaped and the main spring box-shaped Cavity to be housed, with the helical main spring one end of the box wall and the other End at a fixed stop protruding into the cavity of the main slide supports.
  • this measure allows space-saving accommodation the main spring and on the other hand that the main spring only on the Main slide works.
  • the main slide advantageously has a positive connection the rack serving the manual control device.
  • the rack allows a simple, positive connection between the corresponding Gear-carrying manual control device and the main slide.
  • the signaling slide advantageously has a protruding from the chamber release nose provided for the attack by the release pawl. This simple arrangement is particularly suitable for fully automatic assembly.
  • the signaling slide can be one protruding from the chamber for the transmission a triggered message on an auxiliary switch certain reporting nose exhibit.
  • the signaling nose enables simple connection of auxiliary switching elements to the triggered message.
  • the indicator slide advantageously has one of two elastically resilient jaws existing snap on which is in the latched position of the latching mechanism releasably latched to a detent formed on the chamber. This simple arrangement enables the latching mechanism to be locked securely in the tripped position.
  • the two Figures 1 and 2 show in exploded views from different Angles of the components of a latching mechanism.
  • This Latch mechanism is for an electrical overcurrent breaker, especially provided for a motor protection switch.
  • the one in the drawings not shown, for example from Swiss patent application no 00307/96 dated February 6, 1996 by the same applicant known overcurrent protection switch has a key switch with a toggle lever, the key switch can be tensioned by a manual operating device.
  • the overcurrent protection switch is equipped with a release pawl, which is caused by an overcurrent can be triggered and also via the latch mechanism on the key switch works.
  • the latch mechanism latches the manual control device in the triggered position and actuates the for the transmission of the triggered message means provided on an auxiliary switch, which is usually contains a lever or pestle.
  • a stationary chamber 1 shown in FIGS. 1 and 2 is connected to one another vertically aligned guide elements.
  • chamber 1 In chamber 1 is a main slide 2 and perpendicular to a signaling slide 3 out.
  • a jump lever 4 is used with the help of a Bolt 5 pivotally mounted.
  • the main slide 2 is provided with a slot 6, in which one at the Chamber 1 integrally formed comb 47 engages.
  • the main slide 2 carries on the side a rack 10 which for a positive connection with a gear provided, not shown manual control device is determined.
  • the main slide 2 is is box-shaped and has a cavity 11. In this cavity 11, a helical main spring 12 is inserted.
  • the main spring 12 in the assembled state is supported with one end on the box wall 13 and with its other end at one into the cavity 11 of the main slide 2 protruding, molded on the chamber 1 stop 14.
  • the main slide has an inclined extension at its end area facing the signaling slide 3 15 on. As will be explained later, determines 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 determines with their switch-off slope 18 the switch-off torque and with their Switch-on slope 19, the switch-on torque of the overcurrent protection switch as it will be explained later.
  • the main slide 2 also has an areal Anchor arm support 20 on the support surface 21 of the ankle lever 4 supports in the ON position of the overcurrent protection switch.
  • the indicator slide 3 is with its rib 22 in the slot 23 of the chamber 1 guided.
  • the signaling slide 3 is through the signaling slide spring 24 in the Chamber 1 pressed in.
  • the signal slide spring 24 is supported on the top only indicated by a small cutout housing 25 and at the bottom of an Detector slide 3 molded pins 26 from.
  • the indicator slide 3 has a assembled state protruding from chamber 1, for attack by the Trigger pawl provided on trigger nose 27.
  • One is on signaling slide 3 the switch-off bevel 18 on the main slide 2 cooperating switch-off bevel surface 28 molded. At the rear of this switch-off inclined surface 28 there is another, cooperating with the switch-on slope 19 Slant 43, which is only visible in Figures 4 and 11.
  • the alarm slide 3 is with a protruding nose protruding from the chamber 1 in the assembled state 30 provided.
  • the alarm slide 3 has one of two elastically resilient Bake 31, 32 existing snappers. In the latched position of the Locking mechanism lock these jaws 31, 32 with one on the Chamber 1 molded detent 33 releasable. Lie in the locked position the jaws 31, 32 on both sides of the latch plate 34.
  • the jump lever 4 is in the lower part of the chamber 1 with the help of the bolt 5 pivoted.
  • a nose 35 is in the assembled state of the Chamber 1 in front and supports in the on position in the overcurrent protection switch the knee joint of the key switch.
  • the lever 4 is under the Effect of the spring lever 36, which is at one end on the pin 37th the jump lever 4 and with its other end on the housing, not shown supports.
  • the spring lever 36 ensures that when switching on Support surface 21 of the jump lever 4 on the jump lever support 20 on the main slide 2 comes to rest.
  • FIGS. 3 to 14 The functioning of the latching mechanism is illustrated in FIGS. 3 to 14 described in more detail.
  • FIG. 3 shows the latching mechanism at the start of a switch-on movement from the off position.
  • the main slide 2 is not with the shown manual operating device on the rack 10 in the direction of the arrow 38 pushed.
  • the main spring 12 housed in the main slide 2 becomes thereby gasping.
  • the alarm slide 3 from the flat switch-on bevel 19 upwards, moving in the direction of arrow 39 and the Indicator slide spring 24 tensioned, as shown in Fig.4.
  • the alarm slide 3 After exceeding the The highest point of the switch-on slope 19 is the alarm slide 3, as from Fig.5 emerges from the signal slide spring 24 back to its rest position deferred.
  • the main slide 2 also reaches with the Rack 10 its end position. Due to the steep switch-off inclined surface 28 the slide valve 3, the main slide 2 remains in this position when released the manual control device.
  • the latch mechanism is engaged, as shown in Fig. 5 in the on position.
  • the manual control device When switching off, the manual control device is in the opposite Direction actuated.
  • the main slide 2 is in the direction of arrow 40 in FIG. 6 emotional.
  • an increased force must be exerted on the manual control device be applied because the steep switch-off slope 18th of the main slide 2, the signaling slide 3 in the direction of arrow 41 from the latching must press.
  • the entire latching mechanism After exceeding the highest point of the switch-off slope 18, the entire latching mechanism returns, even when you release the Manual operation, in its starting position, in the switch-off position.
  • the force for the resetting is released after the locking of the main spring 12 applied.
  • the switch-off position is shown in Fig. 7.
  • the manual control device When the latching mechanism is reset from the released position the manual control device must be operated in the OFF direction, such as Fig.13 it shows. At the beginning of this movement an increased force must be applied manually be applied to release the released latching. This happens through the ramp 16 on the main slide 2 as Fig.13 it shows.
  • the ramp 16 presses the signaling slide 3 over the counter bevels 29 below from his with the two jaws 31, 32 and with the latch 33 caused locking out. After releasing the latching slide 3 it returns to its rest position on the action of the signal slide spring 24.
  • the latching mechanism and any auxiliary switching elements are reversing, as already described when switching off, automatically return to their rest positions. In this way, the latching mechanism reaches that shown in Fig. 14 OFF position.

Landscapes

  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Protection Of Generators And Motors (AREA)
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 true EP0892420A2 (fr) 1999-01-20
EP0892420A3 EP0892420A3 (fr) 1999-05-12
EP0892420B1 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
CN101507060B (zh) * 2006-06-30 2011-08-10 莫列斯公司 低轮廓闭锁连接器
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
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
US7869169B2 (en) * 2006-07-14 2011-01-11 William Davison Method and system of current transformer output magnitude compensation in a circuit breaker system
US8154373B2 (en) * 2006-07-14 2012-04-10 Schneider Electric USA, Inc. Circuit breaker-like apparatus with combination current transformer
US7788055B2 (en) 2006-07-14 2010-08-31 Square D Company Method and system of calibrating sensing components in a circuit breaker system
US7697250B2 (en) * 2006-07-14 2010-04-13 William Davison Switch-to-trip point translation
US7859802B2 (en) * 2006-07-14 2010-12-28 William Davison Burden resistor temperature compensation algorithm
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
WO2011143738A1 (fr) * 2010-05-21 2011-11-24 Parr William R Châssis de glissement modulaire
DE102011087551B3 (de) * 2011-12-01 2013-04-04 Siemens Aktiengesellschaft Verriegelungsmechanismus für einen Einschaltknopf eines Leistungsschalters

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2307094A1 (de) * 1973-02-14 1974-08-22 Licentia Gmbh Anordnung zur kontaktverklinkung
EP0612089A2 (fr) * 1993-02-17 1994-08-24 Moeller GmbH Dispositif de commutation pour disjoncteurs
EP0630035A1 (fr) * 1993-06-15 1994-12-21 Heinrich Kopp Ag Interrupteur auxiliaire et de signalisation pour appareils interrupteurs de protection

Family Cites Families (6)

* 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
FR2704090B1 (fr) * 1993-04-16 1995-06-23 Merlin Gerin Declencheur auxiliaire pour disjoncteur.
US5576677A (en) * 1995-06-07 1996-11-19 Eaton Corporation Dual action armature
DE59609343D1 (de) * 1996-02-06 2002-07-18 Rockwell Automation Ag Aarau Überstromschutzschalter, insbesondere Motorschutzschalter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2307094A1 (de) * 1973-02-14 1974-08-22 Licentia Gmbh Anordnung zur kontaktverklinkung
EP0612089A2 (fr) * 1993-02-17 1994-08-24 Moeller GmbH Dispositif de commutation pour disjoncteurs
EP0630035A1 (fr) * 1993-06-15 1994-12-21 Heinrich Kopp Ag Interrupteur auxiliaire et de signalisation pour appareils interrupteurs de protection

Also Published As

Publication number Publication date
ATE294449T1 (de) 2005-05-15
US6031195A (en) 2000-02-29
DE59712286D1 (de) 2005-06-02
EP0892420A3 (fr) 1999-05-12
EP0892420B1 (fr) 2005-04-27

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