EP1965405A1 - Versetzte Betätigungsvorrichtung für einen Schalter einschließlich einer Hilfsvorrichtung zur Auslösung - Google Patents

Versetzte Betätigungsvorrichtung für einen Schalter einschließlich einer Hilfsvorrichtung zur Auslösung Download PDF

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Publication number
EP1965405A1
EP1965405A1 EP07118903A EP07118903A EP1965405A1 EP 1965405 A1 EP1965405 A1 EP 1965405A1 EP 07118903 A EP07118903 A EP 07118903A EP 07118903 A EP07118903 A EP 07118903A EP 1965405 A1 EP1965405 A1 EP 1965405A1
Authority
EP
European Patent Office
Prior art keywords
rotary member
lever
circuit breaker
mechanical connection
pivoting
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
EP07118903A
Other languages
English (en)
French (fr)
Other versions
EP1965405B1 (de
Inventor
Jean-Marie Periot
Evans C.K Er
Thian Nguan Quah
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 EP1965405A1 publication Critical patent/EP1965405A1/de
Application granted granted Critical
Publication of EP1965405B1 publication Critical patent/EP1965405B1/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
    • 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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/08—Turn knobs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/08—Turn knobs
    • H01H3/10—Means for securing to shaft of driving mechanism

Definitions

  • the present invention relates to a remote actuating device for electrical switch device.
  • a remote actuating device makes it possible to remotely control by mechanical connection an electrical apparatus, such as for example a circuit breaker.
  • an electrical apparatus such as for example a circuit breaker.
  • a device of this type is for example described in the patent US 6,797,903 .
  • a remote actuating device comprises for example a remote control member mounted on the door of a cabinet and mechanically connected to a handle of the electrical device which is placed in the cabinet.
  • the electrical device can be controlled without having to open the cabinet, which in particular increases the security.
  • the handle can take three distinct positions, an operating position in which it is vertical, a stop position located at 90 ° from the on position or a triggered position located midway between the on position and the stop position. The triggered position is taken by the controller when a current overload or short circuit has been detected by a circuit breaker protection device.
  • a remote actuating device typically comprises a remote control member of the same type as the rotary handle of the circuit breaker.
  • This control member is manually operable and mechanically connected to the circuit breaker handle via a transmission shaft for remotely controlling the circuit breaker.
  • the angular position of the remote controller indicates to the user the position of the circuit breaker handle in the cabinet.
  • the rotary lever In this second mode of operation, the rotary lever must therefore produce a significant effort to drive alone the transmission axis and communicate its rotational movement to the remote control member.
  • the object of the invention is to propose a remote actuating device in which, in the event of triggering, the rotational movement of the rotary handle is transmitted to the remote control member without excessive effort, thus making it possible to guarantee a functioning reliable and durable remote actuating device.
  • the device with a breakable mechanical connection is composed of a pivoting part around the main axis and a lever pivoting about the main axis.
  • the pivoting lever has a lug against which rests the pivoting part forming the breakable mechanical connection of the breakable mechanical connection device.
  • the lug is constituted by a tab of a torsion spring mounted on the pivoting lever along an axis perpendicular to the main axis.
  • the pivoting part comprises on both sides of its axis of rotation two rigidly connected branches angularly offset.
  • one of the branches of the pivoting part comprises a stop for the second rotary member when it is in its first position.
  • the pivoting lever is urged in rotation by a torsion spring.
  • the trigger assist device comprises a stabilizer articulated at a first end on the second rotary member, its hinge axis being parallel to the main axis and eccentric with respect thereto.
  • the return spring is fixed on the one hand on the pivoting part and on the other hand at the second end of the stabilizer.
  • the triggering assistance device comprises a stroke-amplifying member rotatably mounted on the second rotary member about an axis parallel to the main axis and biased by a torsion spring, this member being adapted to cooperate with on the one hand a stop of the body and on the other hand with the first rotary member to amplify its stroke.
  • the race amplifying member comprises two radial protuberances, an external protuberance adapted to abut against the body and an internal protrusion cooperating with a groove formed on the first rotary member.
  • the shape of the device with a breakable mechanical connection is formed on the pivoting lever and consists of a hook-shaped head and in that the first rotary member and the second rotary member each comprise an orifice which when they are aligned form a groove adapted to receive the head of the lever.
  • the first rotary member and the second rotary member are integral in rotation, one having a degree of freedom relative to the other.
  • the return spring 8 is partially represented. These figures must be understood with the return spring present in its entirety.
  • a remote actuating device comprises a remote control member OD allowing, by mechanical connection, remote control of an electrical switch device such as, for example, a circuit breaker D.
  • the circuit breaker D is for example placed in a cabinet and the OD remote control member is mounted on the cabinet door and mechanically connected to the rotary switch M of the circuit breaker D via a transmission axis A. An operator can therefore control the circuit breaker D directly from the outside, without opening the cabinet.
  • a circuit breaker D can be in an ON state, in an OFF state or in a tripped state.
  • the state of the circuit-breaker D is displayed by the angular position of its rotary lever M.
  • This rotary joystick M can thus take three distinct and offset angular positions by turning about a main axis (X), an ON position corresponding to the on state of the circuit breaker, an OFF position corresponding to the breaker state and a tripped position (TRIP) corresponding to the tripped state of the circuit breaker D.
  • X main axis
  • TRIP tripped position
  • the ON and OFF positions are controlled by the operator either directly by acting on the handle M of the circuit-breaker D or via the remote actuating device if such a device is used.
  • the remote control member OD By turning the remote control member OD, the operator acts remotely on the rotary handle M of the circuit breaker D and gives the circuit breaker D its operating state or its off state. In this first mode of operation, the remote control member OD is therefore motor since it drives the rotary handle M of the circuit breaker D.
  • the movement of the rotary handle M of the circuit-breaker D drives the remote control member OD and is therefore engine.
  • the circuit-breaker D switches to the tripped state (TRIP), automatically driving its lever in the tripped position (TRIP).
  • the remote control member OD can thus take three angular positions offset, ON, OFF and tripped, images of those taken by the handle M of the circuit breaker D.
  • the remote actuating device in order to assist the remote actuating device and to limit the stresses on the transmission axis during a tripping of the circuit-breaker D, the remote actuating device comprises a device for assisting tripping ( Figure 1B).
  • the trigger assistance device shown in the accompanying figures is intended to be mounted directly on a circuit breaker D ( Figure 1A).
  • It comprises a body consisting of a housing 1 outside which is rotatably mounted a nozzle 2 for fitting directly on the rotary handle M of the circuit breaker D.
  • the trigger assistance device also comprises a first rotary member 3 adapted to this tip 2 so as to be integral in rotation with the tip 2 and therefore the rotary handle M of the circuit breaker D.
  • the trigger assistance device further comprises a second rotary member 4 adapted in the first rotary member 3.
  • the first rotary member 3 and the second rotary member 4 are connected in rotation so as to leave a clearance between the one and the 'other.
  • the second rotary member 4 comprises for example a pin 40 whose end is housed in an oblong hole 30 formed on the first rotary member 3.
  • the transmission axis A of the remote actuating device is rotationally integral with the second rotary member 4 and extends outside the casing 1, on the side opposite to the end piece 2.
  • the remote control member OD is mounted at the end of the transmission axis A.
  • the trigger assist device further comprises a breakable mechanical link device.
  • the brittle mechanical connection device is composed of a lever 5 pivotally mounted on the housing about an axis 54 parallel to the main axis (X) and a part pivoting device 6 rotatably mounted on the housing 1 of the device about an axis parallel to the main axis (X) and to the pivot axis of the lever 5.
  • the pivoting part 6 extends on either side of its axis 62 by two separate branches 60, 61, rigidly connected and substantially perpendicular to each other, hereinafter referred to as first branch 60 and second branch 61.
  • the lever 5 is mounted on a torsion spring 50 urging it to pivot in the counter-clockwise direction towards the two rotary members.
  • the lever 5 extends from one side of its axis 54 by a portion ending in a hook-shaped head 51 and on the other side of its axis 54 by a portion forming a pin 52 on which a second torsion spring, hereinafter referred to as a retaining spring 53.
  • the stud 52 is formed along an axis perpendicular to the pivot axis 54 and parallel to the pivoting plane of the lever 5.
  • the retaining spring 53 comprises a projecting tab 530 forming a lug against which can bear the free end of the first leg 60 of the pivoting part 6.
  • the pivoting part 6 has a lug 600 adapted to come into contact with the protruding lug 530 of the retaining spring 53
  • the projecting leg 530 of the retaining spring 53 is pivotally retractable when subjected to a counterclockwise force and remains in a horizontal abutment position when subjected to a clockwise force.
  • the trigger assistance device comprises a stabilizer 7 composed of a rocker articulated at a first end on the second rotary member 4 about an axis 70 eccentric with respect to the main axis (X) (FIGS. 1A and 2C) .
  • FIGS. 2C and 4C show a rear disc 44 of the second rotary member 4 on which the hinge 70 of the stabilizer 7 is made.
  • the trigger assistance device comprises a helical return spring 8 fixed on one side to the second end of the stabilizer 7 and on the other side to the free end of the second branch 61 of the pivoting part 6.
  • the stabilizer 7 thus forms with the second rotary member 4 a toggle mechanism having a neutral position. The passage of this neutral point causes the stabilizer 7 to tilt, which is thus able to take two distinct positions when the remote control member OD is respectively in the OFF position or in the ON position.
  • the tripping assistance device comprises a race-amplifying member 9 capable of acting on the rotational stroke of the first rotary member 3.
  • This member 9 is mounted in rotation around an axis parallel to the main axis (X) on the second rotation member 4 and is biased about its axis by a torsion spring 90.
  • This member 9 also comprises two radial protrusions 91, 92 for amplifying the rotational stroke of the first rotary member 3.
  • one of the protuberances of the stroke-amplifying member referred to as the external protuberance 91
  • the another protuberance said internal protuberance 92
  • each of the two rotary members 3, 4 comprises an orifice 32, 42 (FIGS. 1B).
  • the two orifices 32, 42 are aligned ( Figure 5) and form a groove adapted to cooperate with the hook head 51 of the pivoting lever 5.
  • L insertion of the head 51 of the pivoting lever 5 in the groove thus formed causes a tilting of the lever 5 in the counterclockwise direction and a breakage of the breakable mechanical connection.
  • the breaking of the breakable mechanical connection can of course be obtained by complementarity between different shapes of the holes and the hooked head of the lever.
  • the orifices 32, 42 may be replaced by pins capable of cooperating with a groove formed on the head of the lever 5.
  • the orifice 42 of the second rotary member 4 is for example made on a front disc 45 of the second rotary member 4 and is visible in Figure 1 B.
  • Figures 2C and 4C represent for their part the rear disc 44 of the second rotary member 4 on which the stabilizer 7 is articulated.
  • FIGS. 2A through 12B The operation of the trip assist device is illustrated in FIGS. 2A through 12B.
  • the position of the rotary handle M and thus of the remote control member OD is indicated by the arrow f (FIG. 2A).
  • FIG. 2C shows the rear part of the assistance device for triggering in the OFF position and in particular the articulation of the stabilizer 7 on the rear disc 44 of the second rotary member 4 as well as the fixing of the ends of the spring, of a part on the second branch 61 of the pivoting part 6 and secondly on the free end opposite the articulation 70 of the stabilizer 7.
  • the switching is performed manually by the operator who acts on the remote control member OD located for example outside the cabinet.
  • the second rotary member 4 is therefore motor as in the first mode of operation described above.
  • the second rotary member 4 thus rotates the first rotary member 3 to the on position located at 90 ° in the counterclockwise direction.
  • the rotation of the pivoting part 6 being blocked by the support of its first leg against the lug 530 of the retaining spring 53, the rotation of the second rotary member 4 causes the lowering of the stabilizer 7 and therefore the extension of the return spring 8.
  • the holes 32, 42 of the two rotary members 3, 4 are provisionally aligned at the beginning of the rotation to the ON position. Under the action of the return spring 8, the support of the pivoting part 6 against the retaining spring 53 causes a slight pivoting of the lever 5 in the counterclockwise direction so that the head 51 of the pivoting lever is supported against the two rotary members 3, 4.
  • the second rotary member 4 continues its rotation until the external protuberance 91 of the body 9 stroke amplifier comes into abutment against the housing 1, causing the rotation of this member 9 about its axis, in the clockwise direction, against the effect of its torsion spring 90.
  • the internal protuberance 92 pushes the first rotary member 3 to amplify its stroke relative to that of the second rotary member 4 and angularly offset the two orifices 32, 42.
  • the circuit breaker D goes into the tripped state.
  • the rotary M handle of the circuit breaker D is automatically driven to its tripped position (TRIP) without action on the handle M or on the remote control member OD.
  • TRIP tripped position
  • the lever M thus has a motor effect and drives the remote control member OD.
  • the trigger assistance device is therefore involved in this situation.
  • Steps 2, 3 and 4 are performed very quickly and almost simultaneously while the two rotary members are immobile with respect to each other:
  • the pivoted piece 6 released continues its pivoting clockwise to a stop 10 for example provided on the housing 1.
  • the stabilizer 7 has rocked to its first position. Stabilizer 7 axis is still at the point death of the toggle, the return spring 8 is biased in extension between the free end of the second branch 61 of the pivoting part 6 and the end of the stabilizer 7 for storing mechanical energy.
  • the return spring 8 releases the stored energy and is compressed by driving the stabilizer 7 and thus the second rotary member 4 in rotation in the clockwise direction.
  • the return spring 8 acts as a motor for the second rotary member 4 and thus relieves the first rotary member 3 in the drive of the transmission shaft A and the remote control member OD.
  • the second rotary member 4 also drives the first rotary member 3 with a slight delay corresponding to the degree of freedom between these two parts, represented by the length of the slot 30.
  • the offset between the rotation of the second rotary member 4 and the first rotary member 3 allows the member 9 stroke amplifier, which was hitherto held in abutment against a stop 11 formed on the housing 1 to return to its initial position.
  • the amplifier member 9 rotates counterclockwise about its axis to resume its initial rest position defined above.
  • Resetting a D breaker is accomplished by turning the handle M clockwise past the OFF position and then releasing it to return to the OFF position. This operation is carried out by the operator by actuating the remote control member OD which is therefore a motor in this operation. Resetting circuit breaker D must also be accompanied by the reset of the trip assistance device.
  • the remote control member OD is rotated clockwise by the operator, from the tripped position (TRIP) to the OFF position located at 45 °.
  • the second rotary member 4 is thus driven and drives the first rotary member 3.
  • the rotation of the second rotary member 4 causes the stabilizer 7 to rise and the return spring 8 which causes the pivoting piece 6 to pivot in the counterclockwise direction. until its free end retracts the protruding lug 530 of the retaining spring 53 to pass over ( Figure 11B).
  • the travel amplifier member 9 is returned to its initial position by its torsion spring 90.
  • the pivoting piece 6 is again resting on the protruding lug 530 of the spring 53 to recreate again the breakable mechanical connection.
  • the handle M and the remote control member OD are thus again in the OFF position (FIG. 2A).

Landscapes

  • Breakers (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP07118903A 2006-11-02 2007-10-19 Versetzte Betätigungsvorrichtung für einen Schalter einschließlich einer Hilfsvorrichtung zur Auslösung Not-in-force EP1965405B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0654696A FR2908234B1 (fr) 2006-11-02 2006-11-02 Dispositif d'actionnement deporte pour un disjoncteur incluant un dispositif d'assistance au declenchement

Publications (2)

Publication Number Publication Date
EP1965405A1 true EP1965405A1 (de) 2008-09-03
EP1965405B1 EP1965405B1 (de) 2011-11-30

Family

ID=38110272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07118903A Not-in-force EP1965405B1 (de) 2006-11-02 2007-10-19 Versetzte Betätigungsvorrichtung für einen Schalter einschließlich einer Hilfsvorrichtung zur Auslösung

Country Status (6)

Country Link
US (1) US7482548B2 (de)
EP (1) EP1965405B1 (de)
CN (1) CN101206974B (de)
AT (1) ATE535931T1 (de)
ES (1) ES2375750T3 (de)
FR (1) FR2908234B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101477924B (zh) * 2008-11-24 2011-01-05 扬州新菱电器有限公司 一种控制与保护开关电器
US9117597B2 (en) * 2013-01-25 2015-08-25 Martek Limited Self-aligning portable actuator for remotely operating a power circuit breaker
JP6123499B2 (ja) * 2013-06-04 2017-05-10 富士電機機器制御株式会社 回路遮断器の外部操作ハンドル装置
USD778607S1 (en) 2015-04-21 2017-02-14 SK Innovative Products, LLC Combined storage container and goose neck mirror
US9922779B2 (en) * 2016-04-29 2018-03-20 Eaton Corporation Electrical enclosure, and switching assembly and transfer assembly therefor
KR102510845B1 (ko) * 2020-11-30 2023-03-16 엘에스일렉트릭 (주) 배선용 차단기

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313896A (en) * 1966-02-25 1967-04-11 Ite Circuit Breaker Ltd Rotary handle operator for circuit breaker with improved blocking position and latching cover structure
US6797903B1 (en) * 2004-02-11 2004-09-28 Siemens Energy & Automation, Inc. Extended rotary handle operator
EP1583120A1 (de) * 2004-03-30 2005-10-05 Rockwell Automation Technologies, Inc. Drehschalter für elektrische Schaltschränke mit Trennschalter.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1014754B (zh) * 1985-11-07 1991-11-13 西屋电气公司 脱扣机构带中间连锁杆的模铸箱型断路器
FR2701596B1 (fr) * 1993-02-16 1995-04-14 Merlin Gerin Disjoncteur télécommande à came de réarmement.
US5493084A (en) * 1994-08-04 1996-02-20 Eaton Corporation Door release for circuit interrupter rotary handle mechanism
DE19939717A1 (de) * 1999-08-21 2001-02-22 Moeller Gmbh Handbetätigungsvorrichtung mit Drehgriff für elektrische Schaltgeräte
JP4186407B2 (ja) * 2000-10-10 2008-11-26 富士電機機器制御株式会社 回路しゃ断器のハンドル操作機構

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313896A (en) * 1966-02-25 1967-04-11 Ite Circuit Breaker Ltd Rotary handle operator for circuit breaker with improved blocking position and latching cover structure
US6797903B1 (en) * 2004-02-11 2004-09-28 Siemens Energy & Automation, Inc. Extended rotary handle operator
EP1583120A1 (de) * 2004-03-30 2005-10-05 Rockwell Automation Technologies, Inc. Drehschalter für elektrische Schaltschränke mit Trennschalter.

Also Published As

Publication number Publication date
US20080135389A1 (en) 2008-06-12
FR2908234B1 (fr) 2008-12-26
US7482548B2 (en) 2009-01-27
EP1965405B1 (de) 2011-11-30
ES2375750T3 (es) 2012-03-06
FR2908234A1 (fr) 2008-05-09
CN101206974B (zh) 2011-11-09
CN101206974A (zh) 2008-06-25
ATE535931T1 (de) 2011-12-15

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