EP0610143B1 - Mechanische und elektrische Verriegelungsvorrichtung einer Fernbedienungseinheit für modulare Lastschalter - Google Patents

Mechanische und elektrische Verriegelungsvorrichtung einer Fernbedienungseinheit für modulare Lastschalter Download PDF

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Publication number
EP0610143B1
EP0610143B1 EP94420013A EP94420013A EP0610143B1 EP 0610143 B1 EP0610143 B1 EP 0610143B1 EP 94420013 A EP94420013 A EP 94420013A EP 94420013 A EP94420013 A EP 94420013A EP 0610143 B1 EP0610143 B1 EP 0610143B1
Authority
EP
European Patent Office
Prior art keywords
remote control
control unit
ring
power supply
handle
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
EP94420013A
Other languages
English (en)
French (fr)
Other versions
EP0610143A1 (de
Inventor
Michel Effosse
Michel Lazareth
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 SE
Original Assignee
Schneider Electric SE
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 SE filed Critical Schneider Electric SE
Publication of EP0610143A1 publication Critical patent/EP0610143A1/de
Application granted granted Critical
Publication of EP0610143B1 publication Critical patent/EP0610143B1/de
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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
    • 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

Definitions

  • the present invention relates to a device for mechanically and electrically locking a remote control unit for a modular circuit breaker, this remote control unit being provided with a handle having two stable positions of respectively opening and closing and means of engagement and tripping of the power supply for this block.
  • German patent application DE-3711138A1 (closest technical state) describes a remote control unit associated with a modular circuit breaker, the handles of the two devices being rigidly coupled by means of a connecting bar.
  • the mechanism of the remote control unit comprises two transmission rods mounted between a base of the lever and a gear wheel of the speed reducer coupled to the motor. The end of one of the rods is engaged in an oblong opening of the base, which allows manual control of the circuit breaker independently of the remote control unit.
  • the remote control unit is also equipped with switches coupled to the joystick to provide, if necessary, an activation or tripping signal.
  • the document US-A-5113043 (General Electric) relates to an industrial multipole circuit breaker with molded case containing electrical auxiliary signaling and trip devices, housed in compartments under the case cover.
  • a padlocking device is arranged on the upper face of the cover, and comprises locking plates intended to receive a padlock for blocking the main contacts of the circuit breaker in the open state.
  • One of the pivoting plates is equipped with a trigger pin and a locking pin. When the plate is pivotally moved against the plate, the tripping pin cooperates with the tripping lever of the circuit breaker mechanism to cause forced tripping, followed by the opening of the main contacts.
  • the loop then crosses the hole, and the locking pin enters the opening, which proves that the contacts of the circuit breaker are open allowing the padlocking of the circuit breaker in the open state.
  • the remote control is carried out by means of a trip auxiliary supplied by conductors.
  • the handle is coupled to the circuit breaker mechanism.
  • the present invention proposes to provide an effective, economical and simple to implement solution for fulfilling this function.
  • the device according to the invention is characterized in that it comprises a retractable ring equipped with a mechanical locking member of the lever when it is in its open position and actuation means d '' a switch fitted to the electrical supply circuit of the remote control unit.
  • said retractable ring and said means actuation of the interruption of the power supply circuit and the remote control unit are interactive and for this purpose said retractable ring comprises a locking spout and said lever comprises a stop pad, these two elements being arranged to cooperate and ensure mechanical locking of the lever in the open position, the retractable ring being raised.
  • these means are independent.
  • a remote control unit 10 represented schematically by the profile of its housing, comprises a lever for switching on and off manual 11 has two stable positions, namely a closed position F represented by FIG. 1 and an open position O represented by FIG. 2.
  • This lever is integral with a drum 12 rotatable around a fixed axis 13.
  • the remote control unit is also equipped with a switch 14 fitted to its electrical supply circuit (not shown).
  • the mechanical and electrical locking device proper essentially comprises a retractable ring 15 which is in its retracted position when the lever is in the closed position F (see FIG. 1) and in its raised position when the lever is in the open position O (see figure 2).
  • This ring can pivot around a fixed axis 16. It has a locking spout 17 arranged to cooperate with a stop pin 18 disposed laterally at the periphery of the drum 12 carrying the lever.
  • the handle When the ring is in the retracted position, the handle can be moved freely from one to the other of its two stable positions. When the latter is in the closed position it is impossible to remove the ring 15, because the locking spout 17 is blocked by the stud 18.
  • This ring also carries a crank pin 20 which has the function of rotating around a fixed axis, a reference 21 intended to actuate an arm 22 in abutment against a pusher 23 of the switch 14, when the retractable ring is brought in its raised position. Under the effect of the displacement of the crank pin 20, the return switches and exerts a push on said pusher 23, which has the effect of interrupting the supply of the circuit of the remote control unit.
  • the two locks are linked and are carried out simultaneously during a single intervention consisting in raising the retractable ring 15.
  • FIG. 3 illustrates this use.
  • a sealing wire 30 is passed through an opening 31 made through the retractable ring 15. It can be seen that, in this case, this ring is less raised than in the case of FIG. 2. Nevertheless, the locking spout 17 remains at least partially positioned behind the stud 18, so that the lever 11 is locked.
  • the condition necessary for the reliable operation of the device is that the length of the edge 32 of the locking spout is sufficient for it to be able to cooperate effectively with the stud 18.
  • FIG. 4 represents the device in a position where the lever 11 is not mechanically locked and where the electrical supply circuit of the remote control unit is not cut.
  • the retractable ring 15 is retracted. It is held in this position by the end of a slide 40 which is associated on the one hand with a push button 41 and on the other hand with an insulating tongue 42 which can be interposed between two conductive strips 43 and 44, when the push button 41 is moved in the direction of the arrow A.
  • the lever 11 can be freely actuated from one to the other from its stable positions, the locking spout 17 not being placed on the trajectory of the pad 18 and therefore not preventing the movement of the latter and, therefore, of the lever.
  • Figure 5 illustrates the next phase of using this device.
  • the push button 41 has been moved in the direction of arrow A, which has the effect of cutting off the power supply to the remote control unit by interposing the insulating tab 42 between the conductive strips 43 and 44.
  • the end of the slide 40 is released and releases the retractable ring 15 which can thus be removed freely.
  • the retractable ring 15 has an opening 19 to allow the fixing of a padlock, as well as an opening 31 to allow the passage of a sealing wire.
  • the prior electrical cut-off authorizes mechanical locking which prevents unauthorized reactivation of the electrical circuit as long as the mechanical locking remains.
  • the two mechanical and electrical convictions are interactive.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)

Claims (11)

  1. Sperrglied zur mechanischen und elektrischen Sicherung eines Motorantriebsblocks für modulare Leistungsschalter, wobei dieser Motorantriebsblock einen Schaltknebel mit zwei stabilen Stellungen entsprechend der Ausschaltstellung bzw. Einschaltstellung sowie Mittel zur Einschaltung und Unterbrechung der Stromversorgung dieses Blocks umfaßt, dadurch gekennzeichnet, daß es einen versenkbaren Bügel (15) mit einem Organ zur mechanischen Blockierung des Schaltknebels in dessen Ausschaltstellung sowie Mittel (21, 40, 41, 42) zur Betätigung eines in den Versorgungsstromkreis des Motorantriebsblocks eingesetzten Schalters umfaßt.
  2. Sperrglied nach Anspruch 1, dadurch gekennzeichnet, daß der genannte versenkbare Bügel (15) und die genannten Betätigungsmittel (21, 41) zusammenwirken.
  3. Sperrglied nach Anspruch 1, dadurch gekennzeichnet, daß der genannte versenkbare Bügel (15) einen Verriegelungsvorsprung (17) und der genannte Schaltknebel (11) einen Anschlag (18) aufweisen, wobei diese beiden Elemente dazu ausgelegt sind, zusammenzuwirken und die mechanische Blockierung des Schaltknebels in der Ausschaltstellung bei herausgezogenem versenkbaren Bügel zu gewährleisten.
  4. Sperrglied nach Anspruch 3, dadurch gekennzeichnet, daß der genannte versenkbare Bügel (15) eine Öffnung (19) zur Durchführung eines Vorhängeschlosses bei herausgezogenem Bügel aufweist.
  5. Sperrglied nach Anspruch 3, dadurch gekennzeichnet, daß der genannte versenkbare Bügel (15) eine Öffnung (31) zur Durchführung eines Plombierdrahts (30) bei herausgezogenem Bügel aufweist.
  6. Sperrglied nach Anspruch 3, dadurch gekennzeichnet, daß der genannte Anschlag (18) fest mit einem, um eine ortsfeste Achse (13) verschwenkbaren und den genannten Schaltknebel (11) tragenden Drehkörper (12) verbunden ist.
  7. Sperrglied nach Anspruch 2, dadurch gekennzeichnet, daß die genannten Betätigungsmittel (21) einen Übertragungshebel (21) umfassen, der um eine ortsfeste Achse verschwenkt werden kann und dazu dient, einen Schalthebel (22) gegen einen Drucktaster (23) eines in den Versorgungsstromkreis des Motorantriebsblocks eingesetzten Schalters (14) zu führen.
  8. Sperrglied nach Anspruch 2, dadurch gekennzeichnet, daß die genannten Betätigungsmittel (41) einen Schieber (40) umfassen, der fest mit einem Griffstück (41 ) verbunden und Mitteln zur Unterbrechung des Versorgungsstromkreises des Motorantriebsblocks zugeordnet ist.
  9. Sperrglied nach Anspruch 8, dadurch gekennzeichnet, daß die genannten Mittel zur Unterbrechung des Versorgungsstromkreises eine Isolierzunge (42) umfassen, die fest mit dem Schieber (40) verbunden ist und dazu dient, zwischen zwei, in den genannten Stromkreis eingesetzte Leiterstreifen (43, 44) geschoben zu werden.
  10. Sperrglied nach Anspruch 8, dadurch gekennzeichnet, daß der genannte Schieber (40) ein Ende aufweist, das dazu dient, den genannten versenkbaren Bügel (15) in der abgesenkten Stellung zu blockieren.
  11. Sperrglied nach Anspruch 9, dadurch gekennzeichnet, daß das genannte Ende des Schiebers (40) dazu dient, mit einer Vorderkante (45) des versenkbaren Bügels (15) zusammenzuwirken, um das Einschalten des Versorgungsstromkreises des Motorantriebsblocks zu verhindern, wenn sich der genannte Bügel in der herausgezogenen Stellung befindet.
EP94420013A 1993-02-03 1994-01-17 Mechanische und elektrische Verriegelungsvorrichtung einer Fernbedienungseinheit für modulare Lastschalter Expired - Lifetime EP0610143B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9301274 1993-02-03
FR9301274A FR2701159B1 (fr) 1993-02-03 1993-02-03 Dispositif de condamnation mécanique et électrique d'un bloc de télécommande pour disjoncteur modulaire.

Publications (2)

Publication Number Publication Date
EP0610143A1 EP0610143A1 (de) 1994-08-10
EP0610143B1 true EP0610143B1 (de) 1997-10-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP94420013A Expired - Lifetime EP0610143B1 (de) 1993-02-03 1994-01-17 Mechanische und elektrische Verriegelungsvorrichtung einer Fernbedienungseinheit für modulare Lastschalter

Country Status (4)

Country Link
US (1) US5504284A (de)
EP (1) EP0610143B1 (de)
DE (1) DE69406026T2 (de)
FR (1) FR2701159B1 (de)

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Also Published As

Publication number Publication date
FR2701159A1 (fr) 1994-08-05
US5504284A (en) 1996-04-02
DE69406026D1 (de) 1997-11-13
FR2701159B1 (fr) 1995-03-31
EP0610143A1 (de) 1994-08-10
DE69406026T2 (de) 1998-03-19

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