EP0604331B1 - Abschliessvorrichtung mit Vorhängeschloss eines Handbetätigungshebels eines modularen elektrischen Schaltgerätes - Google Patents

Abschliessvorrichtung mit Vorhängeschloss eines Handbetätigungshebels eines modularen elektrischen Schaltgerätes Download PDF

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Publication number
EP0604331B1
EP0604331B1 EP93420496A EP93420496A EP0604331B1 EP 0604331 B1 EP0604331 B1 EP 0604331B1 EP 93420496 A EP93420496 A EP 93420496A EP 93420496 A EP93420496 A EP 93420496A EP 0604331 B1 EP0604331 B1 EP 0604331B1
Authority
EP
European Patent Office
Prior art keywords
lever
handle
stable positions
padlocking
cover
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
EP93420496A
Other languages
English (en)
French (fr)
Other versions
EP0604331A1 (de
Inventor
Michel Vieux
Philippe Delcambre
Noel Le Corre
François Reynaud
Jacques Buisson
Jean Barral-Baron
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 EP0604331A1 publication Critical patent/EP0604331A1/de
Application granted granted Critical
Publication of EP0604331B1 publication Critical patent/EP0604331B1/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
    • H01H9/283—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 the part being removable

Definitions

  • a lockout device is equipped with a locking pin whose flexible arms are associated with lugs arranged to penetrate the sealing holes in the circuit breaker box.
  • the two arms are connected by a handle in which a padlock can be inserted which immobilizes a slide arranged to block the lugs in the sealing holes and thus maintain the release lever in one of its stable positions.
  • This slide is a relatively fragile piece and does not guarantee absolute inviolability of the system.
  • the present invention proposes to overcome the drawbacks of known devices by providing maximum security by guaranteeing that the manual control lever of an electrical appliance cannot be moved accidentally when it has been intentionally blocked in one of its stable positions.
  • said spacer is secured to the lever, and is disposed between the flexible arms.
  • the cover of the device preferably includes a cavity in which the handle can be housed when it is in one of its stable positions. The device is advantageously reversible depending on whether the lever occupies one or the other of its two stable positions.
  • the lever is provided with a pusher, and the cover is closed when the lever is in its low position.
  • the padlocking device 10 is provided to be adapted over the manual control lever 11 of a modular electrical device such as a circuit breaker 12.
  • a modular electrical device such as a circuit breaker 12.
  • this lever is tilted in one or other of its stable positions, namely in its open position (see Figure 1) or in its closed position (see Figure 2) the padlocking device is positioned in one direction or in the opposite direction.
  • the blocking of the lever and the padlocking of the device when this blocking is accomplished, can only be achieved if the lever is actually in one of its stable positions and are prohibited if it is in a position intermediate.
  • the device comprises, as shown more particularly in FIGS. 3A, 3B, 3C; 4A, 4B, 4C and 5A, 5B, 5C, a cover 13 comprising a cavity 14 in which the manual control lever 11 can be housed, a lever 15 movable between a first unlocked position (see FIGS. 3A, B and C) and a second locked position (see FIGS. 4A, B and C), and a locking pin 16 mounted in a housing disposed between the cavity 14 and the lever 11.
  • the lever 15 is equipped with a pusher 17 which allows the user to move it from its high position, called the first unlocked position, to its low position, called the second locked position, and vice versa. It also comprises an opening 18 whose dimensions are substantially equal to those of at least one opening 19 formed through the cover, so that when the lever is brought into its low position (see FIGS. 4A, B and C ), the openings 18 and 19 are located opposite one another and it becomes possible to padlock the device by passing the handle 20 of a padlock 21 in these openings.
  • the cover comprises two parallel wall elements 22 and 23 (see FIG. 2) each provided with an opening 19, and the lever 15 is arranged to be able to slide between these elements which serve as guides when 'it is moved between its two positions defined above.
  • the lever also includes a spacer 24 (see Figures 3B, 4B and 5B) whose role will be described below.
  • the manual control lever 11 is integral with a drum 25, rotatable about an axis integral with the housing of the electrical appliance, and which comprises, in a manner known per se, two sealing holes 26.
  • the pin locking which is shown in more detail and enlarged by Figure 6, comprises a central element 27 in the shape of a U, the two branches 27a and 27b of which are respectively extended by two lateral arms 28a and 28b carrying at their ends two lugs 29a and 29b. These two pins are arranged to engage respectively in the two sealing holes 26, when on the one hand the lever 11 is in one of its stable positions and on the other hand, when the pusher 17 is brought into its position low. In this position, the spacer 24 mentioned above, which was initially (see fig.
  • FIGS. 5A, 5B and 5C illustrate a particular case where the lever 11 is accidentally in an intermediate position between its stable positions.
  • the central element 27 of the locking pin is in fact locked in a space 30 in such a way that it has a certain play. It plays the role of a feeler capable of detecting the intermediate position of the lever 11.
  • the central element 27 or feeler abuts against this lever when the padlocking device is put in place, which has the effect of tilting the pin. Because of this inclination, the pins 29a and 29b are no longer in front of the sealing holes and therefore cannot engage in these holes when the pusher 17 is lowered.
  • the pin feeler constitutes a fault detector which prevents locking of the lever and blocking of the padlocking device if said lever does not occupy one of its two stable positions.
  • the cover 13 and the lever 15 are preferably made of injection molded synthetic material.
  • the pin is preferably made of steel. Their shape and dimensions can be adapted to the geometry of the electrical devices concerned. It should be noted that the cover is fully closed when the pusher is pressed, the lever being in its low position, making access to the pin 16 impossible.

Landscapes

  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switches With Compound Operations (AREA)
  • Mechanical Control Devices (AREA)

Claims (6)

  1. Verriegelungsvorrichtung (10) für einen Schaltknebel (11) zur Handbetätigung eines modularen elektrischen Schaltgeräts, insbesondere eines Leistungsschalters (12), bei dem der Schaltknebel (11) zwei stabile Stellungen entsprechend der Einschaltstellung und der Ausschaltstellung des Schaltgeräts einnehmen kann, wobei das Gehäuse des Schaltgeräts (12) mit Plombieröffnungen (26) versehen ist und die Verriegelungsvorrichtung (10) folgende Teile umfaßt:
    - eine Verriegelungsklammer (16) mit zwei Federarmen (28a, 28b), an denen Ansätze (29a, 29b) zum Eingreifen in die Plombieröffnungen (26) ausgebildet sind, wenn der genannte Schaltknebel (11) in einer seiner stabilen Stellungen steht, wobei die Verriegelungsvorrichtung so ausgebildet ist, daß sie an das Gehäuse angebaut werden kann, wenn der Schaltknebel (11) in der einen oder anderen seiner stabilen Stellungen steht,
    - ein Tastelement zur Erfassung einer Zwischenstellung zwischen den genannten stabilen Stellungen des Schaltknebels (11) sowie zur Verhinderung der Verriegelung in dieser Stellung,
    - einen zwischen einer ersten, oberen Stellung und einer zweiten, unteren Stellung verschiebbaren beweglichen Hebel (15), welcher Hebel (15) eine erste Öffnung (18) aufweist, die das Hindurchführen eines Vorhängeschlosses (21) zur Verriegelung ermöglicht, wenn der Hebel (15) in die zweite Stellung verbracht ist, sowie
    - ein Spreizelement (24) des genannten Hebels (15), das dazu dient, die Federarme (28a, 28b) auseinanderzudrücken, wenn der Hebel (15) von der ersten Stellung in die zweite Stellung verbracht wird, und die Ansätze (29a, 29b) in die genannten Plombieröffnungen (26) einzuschieben,
    dadurch gekennzeichnet ist, daß
    - der Hebel (15) in einem Aufsatz (13) gelagert ist, der eine zweite Öffnung (19) aufweist, welche mit der ersten Öffnung (18) fluchtet, wenn der Hebel (15) in der zweiten Stellung steht, und zur Durchführung des Vorhängeschlosses (21) dient,
    - die Verriegelungsklammer (16) im Aufsatz (13) gelagert ist und einen, das genannte Tastelement bildenden, U-förmigen Mittelteil umfaßt, wobei die Schenkel (27a, 27b) des U durch die genannten Federarme (28a, 28b) verlängert sind, an deren Enden die genannten Ansätze (29a, 29b) ausgebildet sind,
    - eine Aufnahme der genannten Klammer (16) ein Spiel aufweist, das ausreichend groß ist, um der Klammer die Einnahme eine mehr oder weniger geneigten Stellung zu ermöglichen, wenn der Schaltknebel (11) in einer anderen als einer seiner beiden stabilen Stellungen steht.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das genannte Spreizelement (24) fest mit dem Hebel (15) verbunden und zwischen den Federarmen (28a, 28b) angeordnet ist.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Aufsatz (13) eine Ausnehmung (14) aufweist, in die der Schaltknebel (11) eingeführt werden kann, wenn er in einer seiner stabilen Stellungen steht.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß sie umgedreht werden kann, um in beiden stabilen Stellungen des Schaltknebels (11) aufgesetzt werden zu können.
  5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Hebel (15) eine Druckplatte (17) aufweist.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß der Aufsatz (13) in der abgesenkten Stellung des Hebels (15) geschlossen ist.
EP93420496A 1992-12-21 1993-12-13 Abschliessvorrichtung mit Vorhängeschloss eines Handbetätigungshebels eines modularen elektrischen Schaltgerätes Expired - Lifetime EP0604331B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9215580 1992-12-21
FR9215580A FR2699728B1 (fr) 1992-12-21 1992-12-21 Dispositif de cadenassage d'une manette de commande manuelle d'un appareil électrique modulaire.

Publications (2)

Publication Number Publication Date
EP0604331A1 EP0604331A1 (de) 1994-06-29
EP0604331B1 true EP0604331B1 (de) 1997-08-06

Family

ID=9437006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93420496A Expired - Lifetime EP0604331B1 (de) 1992-12-21 1993-12-13 Abschliessvorrichtung mit Vorhängeschloss eines Handbetätigungshebels eines modularen elektrischen Schaltgerätes

Country Status (5)

Country Link
EP (1) EP0604331B1 (de)
AT (1) ATE156628T1 (de)
DE (1) DE69312892T2 (de)
ES (1) ES2106993T3 (de)
FR (1) FR2699728B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2388790A1 (de) 2010-05-19 2011-11-23 Eaton Industries GmbH Leistungsschalter mit Abschliessvorrichtung

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19917859A1 (de) * 1999-04-20 2000-10-26 Siemens Ag Sperrvorrichtung für Schaltgeräte
FR2801687B1 (fr) 1999-11-29 2002-01-11 Eastman Kodak Co Procede d'enregistrement cinematographique et dispositif pour diminuer les defauts d'enregistrement
JP3893824B2 (ja) * 1999-12-27 2007-03-14 松下電器産業株式会社 レバースイッチ及びこれを用いた検出装置
US6476698B1 (en) * 2000-03-17 2002-11-05 General Electric Company Convertible locking arrangement on breakers
EP1371009B1 (de) * 2001-03-21 2010-05-19 Brady Worldwide, Inc. Unterbrecherschalter-lockout-baugruppe
DE20304414U1 (de) * 2003-03-19 2004-07-29 Weidmüller Interface Gmbh & Co. Schaltgerät mit Anschlüssen für elektrische Leiter
DE102009017059B3 (de) * 2009-04-09 2010-07-08 Siemens Aktiengesellschaft Anordnung zur Blockierung eines Betätigungselements eines Elektroinstallationsgeräts sowie Elektroinstallationsgerät
GB0919366D0 (en) * 2009-11-05 2009-12-23 Schneider Electric Ltd Safety device for electrical distribution boards
CN108511292B (zh) * 2017-02-24 2019-12-31 上海良信电器股份有限公司 电动操作装置的挂锁机构
FR3121546A1 (fr) * 2021-03-30 2022-10-07 Schneider Electric Industries Sas Système de verrouillage pour disjoncteur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412154A1 (fr) * 1977-12-15 1979-07-13 Merlin Gerin Dispositif de cadenassage de la manette d'un disjoncteur miniature
FR2424619A1 (fr) * 1978-04-24 1979-11-23 Merlin Gerin Dispositif de cadenassage d'une manette d'un disjoncteur electrique
GB2152286A (en) * 1983-12-23 1985-07-31 Midland Electric Mfg Co Ltd Switch locking device
FR2569046B1 (fr) * 1984-08-08 1986-11-28 Merlin Gerin Dispositif de cadenassage d'un disjoncteur miniature

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2388790A1 (de) 2010-05-19 2011-11-23 Eaton Industries GmbH Leistungsschalter mit Abschliessvorrichtung
DE102010020987A1 (de) 2010-05-19 2011-11-24 Eaton Industries Gmbh Leistungsschalter mit Abschließvorrichtung
DE102010020987B4 (de) * 2010-05-19 2012-04-05 Eaton Industries Gmbh Leistungsschalter mit Abschließvorrichtung

Also Published As

Publication number Publication date
FR2699728A1 (fr) 1994-06-24
EP0604331A1 (de) 1994-06-29
ATE156628T1 (de) 1997-08-15
DE69312892T2 (de) 1998-01-29
FR2699728B1 (fr) 1995-03-17
DE69312892D1 (de) 1997-09-11
ES2106993T3 (es) 1997-11-16

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