EP0882301B1 - Disjoncteur de protection a dispositif de verrouillage empechant la mise en circuit - Google Patents

Disjoncteur de protection a dispositif de verrouillage empechant la mise en circuit Download PDF

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Publication number
EP0882301B1
EP0882301B1 EP97901075A EP97901075A EP0882301B1 EP 0882301 B1 EP0882301 B1 EP 0882301B1 EP 97901075 A EP97901075 A EP 97901075A EP 97901075 A EP97901075 A EP 97901075A EP 0882301 B1 EP0882301 B1 EP 0882301B1
Authority
EP
European Patent Office
Prior art keywords
operating handle
protective switch
slider
disk
switching
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
EP97901075A
Other languages
German (de)
English (en)
Other versions
EP0882301A1 (fr
Inventor
Volker Blechacz
Wolfgang Schneider
Peter Willerscheidt
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.)
Eaton Industries GmbH
Original Assignee
Moeller GmbH
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 Moeller GmbH filed Critical Moeller GmbH
Publication of EP0882301A1 publication Critical patent/EP0882301A1/fr
Application granted granted Critical
Publication of EP0882301B1 publication Critical patent/EP0882301B1/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
    • 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

Definitions

  • the invention relates to a circuit breaker, in particular Circuit breaker or motor protection switch, with housing and an am Housing arranged rotatable operating handle for a Switching shaft of the circuit breaker and with a locking device against switching on the circuit breaker.
  • Circuit breakers are, for example, in the connecting lines a machine drive, so that it is possible for example if you have to stay in the Danger area of the machine to the power supply to the drive interrupt and secure against switching on what usually by hanging padlocks in corresponding locking openings of the locking device he follows.
  • circuit breakers In order to comply with the applicable security guidelines, such circuit breakers have an additional Device on that a circuit breaker only allowed in the event that the contacts of the circuit breaker have fully opened and not because of a for example previous high short-circuit current are welded together and therefore the circuit breaker can no longer interrupt the power supply.
  • a disadvantage of this known embodiment is that on the one hand the accommodation the locking device in the operating handle with high constructive and production-related effort is connected, but in particular through the operative connection with the shift shaft standing operating handle that all at the same time Elements of the locking device carries manipulation possibilities to overcome the welded as a result Contacts non-opening release device for the closing openings are given, for example if the operating handle with great effort is pressed and the movement of the Slider when the switch contacts of the Circuit breaker preventing effect of the pane canceled becomes.
  • the object of the invention is therefore the known generic To further develop circuit breakers in such a way that manipulation possibilities on due to welded contacts no longer lockable circuit breakers are excluded and for other the circuit breaker as simple and inexpensive as possible can be produced.
  • the invention proposes a circuit breaker before, with the operating handle on the selector shaft is freely rotatable, the disc with the control shaft without play is connected and the actuating handle and the disc by means of at least one elastic claw in operative connection with one another stand so that a rotation of the operating handle over the elastic claw on the disc and from there on the Shift shaft is transmitted, and the slide of the locking device to block the switch-on movement of the Switching shaft acts on the disc.
  • the actuating handle can now be used with little effort, since it can be freely rotated on the selector shaft, in this off position continue to turn, but it follows without play on the Shift shaft not arranged disc of this further rotation, but remains together with the selector shaft in the consequence the restoring torque to the on position by a certain for example about 10 °, set back angle. Consequently it is despite the operating handle moved by hand to the off position not possible to operate the locking device, since the movement of the slide from the disc continues is prevented. Even greater effort on the operating handle does not lead to success because it is elastic Do not claw the disc and thus the selector shaft is passed on.
  • the invention further proposes the locking device to connect to the housing so that they are in a simple unit easily on standard circuit breakers Housing can be arranged.
  • the control shaft it is then only necessary to Slide the locking device on the with the control shaft to let the active pane act and at the same time expose the closing openings, whereby the disc in its locked position using padlocks is lockable.
  • the invention proposes that the disc is circular with a segment cut away is formed and with fully open switch contacts the disc is in such a position that the Slide into the free space of the cut circle segment is insertable and in this position the disc blocked and at the same time releases the closing openings.
  • the disc is circular with a segment cut away is formed and with fully open switch contacts the disc is in such a position that the Slide into the free space of the cut circle segment is insertable and in this position the disc blocked and at the same time releases the closing openings.
  • the invention proposes that Disc at least partially circular with at least over part of the outer circumference extending raised edge form, wherein an insertion slot is formed in the edge and when the switch contacts are fully open, the disc is in such a position that the slide in the insertion slot is insertable and in this position Disc blocked and at the same time the closing openings releases.
  • there is only one Movement of the slide is necessary to block the disc and at the same time expose the closing openings.
  • the invention proposes when in the locking position located slide the operating handle against Secure pulling off the selector shaft. For example by a suitably trained projection on Slider are caused by pulling the operating handle prevented by the control shaft. That way another possibility of manipulating the circuit breaker canceled because it is not possible to lock the circuit breaker remove the operating handle and on the one below located switching shaft an unauthorized switching on of the Circuit breaker.
  • the slide has one protruding spigot, which is cut off in the free space of the Circle slider inserted into an am Operating handle trained opening is insertable to the Operating handle in the closed position against one Secure pulling off the selector shaft.
  • the Slider has a protruding pin, which in the Insertion slot of the disc inserted slide on the upper edge of the operating handle can be placed around the Operating handle in the closed position against one Secure pulling off the selector shaft.
  • the invention continues to propose before that hooks are attached to the housing, the operating handle grasp on its outer wall and the operating handle Secure against being pulled off the selector shaft.
  • the hook will be even more secure against manipulation circuit breaker according to the invention achieved because the hooks Continuously pulling the operating handle from the control shaft, i.e. regardless of the position of the operating handle and the Prevent locking device.
  • the circuit breaker has 1 on its housing front 11 on a base plate 10.
  • a switching shaft 5 which is not in with the interior of the circuit breaker 1 is in operative connection.
  • a guide ring 2 on the base plate 10 attached, which for the axial guidance of an operating handle 3 is used when it sits on the control shaft 5.
  • the operating handle 3 is cup-shaped with an annular Formed outer wall 31 and a bottom surface 32, from which a grip part 30 protrudes.
  • a disc 4 which runs along a String 44 circular with a segment cut away is trained.
  • the disc 4 is on the base plate 10 placed and has a guide pin at its center 40, which is provided with a square bore 41, which correspond to a square section 50 on the selector shaft 5 is formed so that the washer 4 without play with the Switch shaft 5 via the bore 41 and the square section 50 enters into active connection.
  • the operating handle 3 which above the disc 4 on the selector shaft 5th is placed, freely rotatable on this control shaft 5.
  • the rotation of the operating handle for switching on and off of the circuit breaker 1 does not act directly on the Switch shaft 5 on. Rather, it has the shift shaft 5 in Actively connected disc 4 on the operating handle 3 facing side a protruding elastic claw 42 which, for example, are made of spring steel can.
  • This elastic claw 42 engages in a corresponding one Recess 35 in the operating handle 3, so that a rotation of the operating handle 3 via the elastic claw 42 on the Disc 4 and from there to the control shaft 5 on one indirect way is transmitted.
  • the switching status of the circuit breaker 1 can through viewing openings 33, 43 in the operating handle 3 or in the disk 4 from on the base plate 10 attached switch markings can be read.
  • the locking device 6 has one Holder 65 in which a closing opening 60 for hanging a padlock is formed. Im unlocked This locking opening is in the state of the locking device 6 60 by means of a release device 63, which on a Slider 61 is formed, closed, so that hanging a padlock in the lock opening 60 not is possible.
  • the slide 61 also has a blocking device in the form of a finger 62 on the guide ring 2 with the disk arranged therein on the selector shaft 5 4 is aligned. With fully opened switch contacts, as shown in Fig.
  • the disc 4 takes one such a position that the slide 61 with his finger 62nd as a blocking device via an opening 21 in the guide ring 2 along the free space of the cut circle segment the tendon 44 can be inserted when the slide 61 in the direction of the arrow A is moved.
  • finger 62 a blocking of the disc 4 in the off position by system on the chord 44 of the disc 4.
  • the release device 63 moved out of this in the direction of the guide ring 2, so that hanging a padlock in the lock opening 60 is made possible when the slide 61 in the disc 4 blocked the off position.
  • FIGS. 5 and 6 come modified compared to the embodiment just described Embodiments of disk 4 and locking device 6 for use.
  • the basic function is retained, which is why the same reference numerals as in the first-mentioned embodiment were used.
  • Farther has the disc 4 in the raised edge 48 one Insert slot 47 in which a finger 62 of a slide 61 can be inserted when the slide 61, as in FIG. 6 shown, is moved in the direction of arrow A.
  • the insertion slot 47 in the disc 4 is formed at the point the disc 4 is when the switching contacts of the Circuit breaker are fully open.
  • the locking device 6 in turn has a holder 65 in which the Slider 61 is guided. Furthermore, a 65 is on the holder Closure opening 60 formed by a bracket 69th is limited at the top.
  • the slide 61 in turn has one Release device 63 for the closure opening 60, which when the slide 61 moves in the direction of arrow A, the closing opening 60 releases, so that a bracket 8 of a padlock is insertable into the closing opening 60 and the locking device 6 is lockable in this position.
  • Block the in the slot 47 of the Disc 4 inserted fingers 62 a switch-on movement of the Switching shaft 5 by fixing the disc 4 in the in Fig. 5th shown position. If the switch contacts of the circuit breaker not as a result of welding or the like open completely, takes the control shaft 5 and thus in Actively connected disc 4 analogous to that in Fig.
  • the elastic claw 42 in a recess 38 is attached to the operating handle 3 and in a corresponding Recess 45 protrudes into the disc 4.
  • the torque transmission can also in the Recess 45 on the disc 4 projecting pin 46th be formed, the additional contact surfaces for the claw 42 form.
  • protruding pin 66 into the opening 34 in the operating handle 3 engages, simultaneously with his finger 62 the switch-on movement the disk 4 blocked and the release device 63 moved out of the closing opening, so that the locking device 6 can be completed and in this location the operating handle 3 by engaging the protruding pin 66 in the opening 34 against withdrawal from the selector shaft is secured.
  • the invention proposes to secure the operating handle 3 against removal from the control shaft 5, as in 7, 1 hook on the housing of the circuit breaker 7 to attach the operating handle 3 on its outer wall reach around and the operating handle 3 against pulling secure from the selector shaft 5.
  • the hooks 7 are for example by means of screws in screw holes 70 on the base plate 10 attached and reach around with their bent Hook surface 71 the upper edge 39 of the operating handle 3 and thus prevent the operating handle 3 from being pulled off the Switching shaft 5 in every switching state of the circuit breaker 1.
  • the Hooks 7 can be at any suitable point on the housing the circuit breaker 1 are attached to which they Do not hinder the rotary movement of the operating handle 3.
  • she can also be integral to the guide ring 2 be molded on, instead of screwed to the base plate 10 be so that when installing the circuit breaker when putting on the Operating handle 3 on the selector shaft 5 a snap connection between the upper edge 39 of the operating handle 3 and the bent hook surfaces 71 of the hook is caused is no longer solvable.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)
  • Push-Button Switches (AREA)
  • Slide Switches (AREA)

Claims (9)

  1. Disjoncteur de protection, en particulier interrupteur automatique ou coffret de protection, à boítier et avec une manette tournante (3) disposée sur le boítier pour un arbre de commande (5) du disjoncteur de protection (1), et avec un mécanisme de verrouillage (6) contre la mise en circuit du disjoncteur de protection (1), constitué de cadenas pouvant être accrochés à des ouvertures de verrouillage (60), lesdites ouvertures de verrouillage (60) ne pouvant être débloquées que si les contacts de commutation du disjoncteur de protection (1) sont entièrement ouverts, et le mécanisme de verrouillage (6) présentant un dispositif de blocage empêchant une mise en circuit par activation de la manette (3) ainsi qu'un dispositif de déblocage pour les ouvertures de verrouillage (60), comprenant pièce coulissante (61) et un plateau (4) agissant de concert avec l'arbre de commande (5), ledit plateau empêchant le déplacement de la pièce coulissante (61) si les contacts de commutation ne sont pas ouverts, caractérisé en ce que la manette (3) peut tourner librement sur l'arbre de commande (5), que le plateau (4) est relié sans jeu à l'arbre de commande (5) et que la manette (3) ainsi que le plateau (4) agissent ensemble au moyen d'une patte élastique (42) au moins, de telle manière qu'un tour de manette (3) est transmis par la patte élastique (42) au plateau (4) puis de là à l'arbre de commande (5), et que la pièce coulissante (61) du mécanisme de verrouillage (6) agit sur le plateau (4) afin de bloquer le mouvement de mise en circuit de l'arbre de commande (5).
  2. Disjoncteur de protection selon revendication 1, caractérisé en ce que le mécanisme de verrouillage (6) est raccordé au boítier du disjoncteur de protection (1).
  3. Disjoncteur de protection selon revendication 1 ou 2, caractérisé en ce que le plateau (4) est en forme de disque à segment ajouré et que, les contacts de commutation étant entièrement ouverts, le plateau (4) se trouve en position telle que la pièce coulissante (61) est insérable dans l'espace libre laissé par le segment ajouré, bloquant le plateau (4) dans cette position tout en débloquant simultanément les ouvertures de verrouillage (60).
  4. Disjoncteur de protection selon revendication 1 ou 2, caractérisé en ce que le plateau (4) est au moins partiellement en forme de disque avec au moins une bordure (48) relevée au-dessus d'une partie de la circonférence extérieure, une fente d'engagement (47) étant formée sur la bordure (48), et en ce que, les contacts de commutation étant entièrement ouverts, le plateau (4) se trouve en position telle que la pièce coulissante (61) est insérable dans la fente d'engagement (47), bloquant le plateau (4) dans cette position tout en débloquant simultanément les ouvertures de verrouillage (60).
  5. Disjoncteur de protection selon l'une des revendications 2 à 4, caractérisé en ce qu'une bride de fixation (65) est apposée sur le boítier à l'extérieur de la manette (3), dans laquelle la pièce coulissante (61) est engagée, et qu'au moins une ouverture de verrouillage (60) est formée.
  6. Disjoncteur de protection selon l'une des revendications 1 à 5, caractérisé en ce que la pièce coulissante (61) présente au moins une partie en saillie, laquelle empêche un retrait de la manette (3) par l'arbre de commande (5) lorsque la pièce coulissante (61) se trouve en position de verrouillage.
  7. Disjoncteur de protection selon revendication 6, caractérisé en ce que la pièce coulissante (61) présente un tenon en saillie (66), lequel est insérable dans une ouverture (34) formée sur la manette (3) lorsque la pièce coulissante (61) est engagée dans l'espace libre laissé par le segment ajouré du plateau, afin d'empêcher un retrait de la manette (3) en position verrouillée par l'arbre de commande (5).
  8. Disjoncteur de protection selon revendication 6, caractérisé en ce que la pièce à coulisse (61) présente un tenon en saillie, lequel est applicable contre la bordure supérieure (49) de la manette (3) lorsque la pièce coulissante (61) est engagée dans la fente d'engagement (47) du plateau (4), afin d'empêcher un retrait de la manette (3) en position verrouillée par l'arbre de commande (5).
  9. Disjoncteur de protection selon l'une des revendications 1 à 8, caractérisé en ce que des crochets (7) sont appliqués sur le boítier, enserrant la paroi extérieure de la manette (3) et empêchant un retrait de la manette (3) par l'arbre de commande (5).
EP97901075A 1996-02-21 1997-01-22 Disjoncteur de protection a dispositif de verrouillage empechant la mise en circuit Expired - Lifetime EP0882301B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19606271A DE19606271A1 (de) 1996-02-21 1996-02-21 Schutzschalter mit Verriegelungsvorrichtung gegen Einschalten
DE19606271 1996-02-21
PCT/EP1997/000291 WO1997031382A1 (fr) 1996-02-21 1997-01-22 Disjoncteur de protection a dispositif de verrouillage empechant la mise en circuit

Publications (2)

Publication Number Publication Date
EP0882301A1 EP0882301A1 (fr) 1998-12-09
EP0882301B1 true EP0882301B1 (fr) 1999-10-27

Family

ID=7785899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97901075A Expired - Lifetime EP0882301B1 (fr) 1996-02-21 1997-01-22 Disjoncteur de protection a dispositif de verrouillage empechant la mise en circuit

Country Status (6)

Country Link
EP (1) EP0882301B1 (fr)
CN (1) CN1067485C (fr)
AT (1) ATE186153T1 (fr)
DE (2) DE19606271A1 (fr)
HK (1) HK1018661A1 (fr)
WO (1) WO1997031382A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10211019B2 (en) 2016-10-24 2019-02-19 Abb Schweiz Ag Circuit breaker including rotary handle

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10013108B4 (de) * 2000-03-17 2006-07-06 Aeg Niederspannungstechnik Gmbh & Co Kg Sicherungseinrichtung für elektrische Vorrichtungen
CN103000408B (zh) * 2011-09-15 2016-03-16 西门子公司 开关装置的锁定组件及其开关装置
AT512813B1 (de) 2012-04-16 2023-01-15 Alexander Benedict Vorrichtung für einen Trennschalter
CN102751119B (zh) * 2012-06-27 2014-07-23 平高集团有限公司 一种全封闭组合电器隔离或接地机构用机械闭锁装置
FR3006498B1 (fr) * 2013-05-31 2015-07-03 Alstom Technology Ltd Dispositif de commande d'appareillage electrique comportant des encoches axiales
FR3048119B1 (fr) * 2016-02-19 2018-03-30 Schneider Electric Industries Sas Systeme de commande rotative pour un appareil
US10361053B2 (en) 2016-10-24 2019-07-23 Abb Schweiz Ag Circuit breaker including rotary handle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1239465B (it) * 1990-04-04 1993-11-02 Cge Comp Gen Elettromecc Mezzi di consenso per il lucchettaggio di dispositivi di comando manuale di apparecchi elettromeccanici
DE4322214C2 (de) * 1993-07-03 1995-08-24 Kloeckner Moeller Gmbh Abschließbarer Drehantrieb für Leistungsschalter
DE4439373C1 (de) * 1994-11-04 1995-12-21 Kloeckner Moeller Gmbh Abschließbare Handbetätigungsvorrichtung mit einem Handgriff zum Ein- und Ausschalten von gekapselten elektrischen Schaltgeräten, insbesondere von Schaltgeräten mit Trennfunktion
DE4439374C1 (de) * 1994-11-04 1996-02-15 Kloeckner Moeller Gmbh Abschließbare Handbetätigungsvorrichtung zum Ein- und Ausschalten von gekapselten elektrischen Schaltgeräten, insbesondere von Leistungsschaltern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10211019B2 (en) 2016-10-24 2019-02-19 Abb Schweiz Ag Circuit breaker including rotary handle

Also Published As

Publication number Publication date
CN1067485C (zh) 2001-06-20
EP0882301A1 (fr) 1998-12-09
DE59700623D1 (de) 1999-12-02
ATE186153T1 (de) 1999-11-15
CN1212074A (zh) 1999-03-24
WO1997031382A1 (fr) 1997-08-28
HK1018661A1 (en) 1999-12-30
DE19606271A1 (de) 1997-08-28

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