EP0800189A1 - Betätigungseinrichtung für elektrisches Gerät wie Schutzschalter - Google Patents

Betätigungseinrichtung für elektrisches Gerät wie Schutzschalter Download PDF

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Publication number
EP0800189A1
EP0800189A1 EP97400769A EP97400769A EP0800189A1 EP 0800189 A1 EP0800189 A1 EP 0800189A1 EP 97400769 A EP97400769 A EP 97400769A EP 97400769 A EP97400769 A EP 97400769A EP 0800189 A1 EP0800189 A1 EP 0800189A1
Authority
EP
European Patent Office
Prior art keywords
button
lever
stop
emergency stop
safety
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
EP97400769A
Other languages
English (en)
French (fr)
Other versions
EP0800189B1 (de
Inventor
Daniel Makuc
Jacques Marcenne
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 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 EP0800189A1 publication Critical patent/EP0800189A1/de
Application granted granted Critical
Publication of EP0800189B1 publication Critical patent/EP0800189B1/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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/68—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having two operating members, one for opening and one for closing the same set of contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch

Definitions

  • the present invention relates to a manual actuation device for an electrical switch device such as a motor circuit breaker, housed in a box and provided with a run control member and a stop control member with alternating movements.
  • an electrical switch device such as a motor circuit breaker
  • Such control devices are well known and include an impulse start button and a lockable emergency stop button, these buttons having parallel axes, being associated with a wall of the box and cooperating respectively with the start and stop members of the 'apparatus. It is noted that, in certain cases, in spite of the fact that the emergency stop button is pressed in the stop position and is locked in this position, it is however possible to put the motor circuit breaker in the on state. strongly pressing the on button on the cabinet; such an operation is caused by the deformations and tolerances which appear in the assembly.
  • the invention aims to avoid this drawback and aims to render inoperative the actuation of the start button when the emergency stop button is locked in the stop position.
  • the aim is therefore achieved by simple means, preferably involving for the triggerable transmission member an abruptly triggered member, for example a toggle lever whose elbow is applied against a sliding wall provided on a lever otherwise by pressing on an erasable stop when the emergency stop button is pressed.
  • an abruptly triggered member for example a toggle lever whose elbow is applied against a sliding wall provided on a lever otherwise by pressing on an erasable stop when the emergency stop button is pressed.
  • FIG. 1 schematically represents a manual actuation device for a motor circuit breaker according to the invention.
  • FIG. 2 represents in perspective the main elements of the device of FIG. 1.
  • Figures 3 and 4 show in elevation a schematic section of the device at the start button and respectively the emergency stop button in the on position of the motor circuit breaker.
  • Figure 5 shows in the same position the device in schematic top view.
  • Figures 6 to 8 show the device in the circuit-breaker stop position, with an attempt to actuate the start button while the emergency stop button is locked, with views corresponding to those of Figures 3 to 5.
  • the actuating device 10 illustrated in the figures is associated with a motor circuit breaker 11 housed in a box 12, the front wall 13 of which is provided with push buttons with parallel axes X1 and X2, namely an impulse start button 14 and an emergency stop button 15 of the so-called punch type, for controlling, by means of transmission elements described below, an on control member 16 and an off control member 17 of the motor circuit breaker 11.
  • the members 16, 17 are buttons urged by pressure, of the tilting type as described in document EP-559 507, but which may also be of the sliding type; these organs can take two positions by alternating movements, each remaining maintained in one or the other position, that is to say in the running state of. motor circuit breaker the on-board member 16 is depressed and the stop member 17 released, while in the motor breaker off state the on member 16 is out and the stop member 17 pressed.
  • the start button 14 of the box is connected to the start member 16 of the motor circuit breaker by means of a triggerable transmission member 20, preferably with sudden release; the transmission member 20 can take a normal position in which the transmission to the member 16 of an impulse exerted on the button 14 is activated and a safety position in which this transmission is inactivated.
  • a safety mechanism 30 which acts on the transmission member 20 so that it is put in its safety state when the emergency stop button is pressed, in order to deactivate the transmission when an attempt is made to force the start button 14.
  • the abruptly triggered transmission member 20 here comprises an articulated toggle lever 21 cooperating at one end 22 with a movable element of the start button 14 and at the other end 23 with a lever 24 capable of acting by thrust on the walking member 16.
  • the lever 24 can rotate around an axis Y1 orthogonal to the axes X1, X2.
  • the elbow 25 of the toggle lever 21 is applied against a sliding wall of a pivoting lever 31 which is part of the safety mechanism 30.
  • the suddenly triggered transmission member 20 may alternatively be constituted by any other transmission member , able to take an active normal state and an inactive safety state, between the start button 14 and the start member 16 of the motor circuit breaker.
  • the lever 31 is roughly T-shaped, the core 32 of which pivots at its end 32a around an axis X3 parallel to the axes X1, X2 and the wing 33 of which carries the sliding wall 34 for the elbow on one side of the toggle joint and on the other side a bearing 35 normally applied against a stop 41 formed on a pivoting lever 40.
  • a weak return spring 36 which is for example a pin spring (see FIGS. 2 to 8) is associated with the lever 31 to tend to apply the wall 34 against the elbow 25 of the toggle.
  • the lever 40 is arranged between the emergency stop button 15 and the stop member 17 of the motor circuit breaker so as to pivot around an axis Y2 parallel to the axis Y1 or coincident with the latter; it cooperates with the movable part 15a of the button 15 by a support 42 and with the member 17 by a finger 43.
  • a return spring 44 can be associated with the lever 24 assigned to the actuation of the start button.
  • the movable element of the latter drives the toggle lever 21 whose elbow 25 slides on the wall 34 of the lever 31.
  • the lever 40 is in the high position (see FIG. 4) and holds the lever 31 by its stop 41; the wall 34 can not move, the toggle does not deform and forces the lever 24 to pivot to put the walking member 16 in the active position; simultaneously and under the effect of the internal lock of the motor circuit breaker, the stop member 17 is brought to its extended position, near the finger 43 of the lever 40.
  • the operator lets it go up under the effect of an internal spring; the button returns to its position indicated in dashes in FIG. 3 and the various elements of the organs 20, 30 occupy the positions visible in FIG. 5.
  • the emergency stop button 15 When the operator actuates the emergency stop button 15, the latter is pushed in and, via the lever 42, pushes the stop member 17 of the motor circuit breaker, so that the latter is switched on. stop (see figure 7). In addition, the stop 41 of the lever is lowered and now leaves the range 35 of the lever 31 the possibility of moving and therefore the lever 31 to pivot. Simultaneously the on-board member 16 of the motor circuit breaker is switched on in the extended position by the internal lock of the motor circuit breaker. If the operator inadvertently presses the start button 14 (FIG. 6), the knee lever bends as soon as the lever 24 meets the member 16, because the elbow 25 makes the lever 31 then pivot clockwise (see FIG. 8) , by stretching the light spring 36. When the operator releases his pressure on the start button 14, the various elements of the members 20, 30 return to their initial position (see FIG. 5).

Landscapes

  • Mechanisms For Operating Contacts (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Mechanical Control Devices (AREA)
  • Breakers (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Push-Button Switches (AREA)
EP97400769A 1996-04-05 1997-04-03 Betätigungseinrichtung für elektrisches Gerät wie Schutzschalter Expired - Lifetime EP0800189B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604432A FR2747229B1 (fr) 1996-04-05 1996-04-05 Dispositif d'actionnement pour appareil electrique tel que disjoncteur-moteur
FR9604432 1996-04-05

Publications (2)

Publication Number Publication Date
EP0800189A1 true EP0800189A1 (de) 1997-10-08
EP0800189B1 EP0800189B1 (de) 2002-01-23

Family

ID=9491048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97400769A Expired - Lifetime EP0800189B1 (de) 1996-04-05 1997-04-03 Betätigungseinrichtung für elektrisches Gerät wie Schutzschalter

Country Status (7)

Country Link
US (1) US5945645A (de)
EP (1) EP0800189B1 (de)
KR (1) KR100469105B1 (de)
CN (1) CN1068961C (de)
DE (1) DE69709973T2 (de)
FR (1) FR2747229B1 (de)
TW (1) TW423001B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106968927A (zh) * 2017-03-10 2017-07-21 镇江市欧菱电气自动化系统设备有限公司 消防水泵机械强制启动装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6345464B1 (en) * 1999-01-13 2002-02-12 Surefire, Llc Firearms with target illuminators, electric switching devices and battery power sources
US6609810B2 (en) 2002-01-15 2003-08-26 Surefire, Llc Illumination apparatus with removably securable switch device
USD739361S1 (en) * 2014-03-28 2015-09-22 eMoMo Technology Co. Controller for smart furniture (UF)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1079012A (en) * 1964-02-13 1967-08-09 Brookhirst Igranic Ltd Improvements in or relating to electric switches
DE3113034A1 (de) * 1981-04-01 1982-10-21 Klöckner-Moeller Elektrizitäts GmbH, 5300 Bonn Verriegelungsvorrichtung fuer schutzschalter
DE3341874C1 (de) * 1983-09-08 1984-07-19 Schulte-Elektrotechnik GmbH & Co KG, 5880 Lüdenscheid Schalteranordnung mit Nullspannungsauslösung
EP0559507A1 (de) * 1992-03-05 1993-09-08 Schneider Electric Sa Schutzschalter mit drehbar gelagerten Betätigungsknöpfen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558113A (en) * 1948-03-06 1951-06-26 Westinghouse Electric Corp Push-button switch
US2579168A (en) * 1948-08-05 1951-12-18 Fed Electric Prod Co Key lock for push-button switches
US2897327A (en) * 1957-11-12 1959-07-28 Allen Bradley Co Control-station
US3188411A (en) * 1959-01-29 1965-06-08 Verson Allsteel Press Co Run button with safety lockout for a press control circuit
US3591745A (en) * 1970-02-06 1971-07-06 Square D Co Manually operated toggle acting switch having a job function lever
JPS6091847A (ja) * 1983-10-24 1985-05-23 Mitsubishi Electric Corp 回転電機
US4514601A (en) * 1983-11-08 1985-04-30 Square D Company Multispeed interlocked push button switch mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1079012A (en) * 1964-02-13 1967-08-09 Brookhirst Igranic Ltd Improvements in or relating to electric switches
DE3113034A1 (de) * 1981-04-01 1982-10-21 Klöckner-Moeller Elektrizitäts GmbH, 5300 Bonn Verriegelungsvorrichtung fuer schutzschalter
DE3341874C1 (de) * 1983-09-08 1984-07-19 Schulte-Elektrotechnik GmbH & Co KG, 5880 Lüdenscheid Schalteranordnung mit Nullspannungsauslösung
EP0559507A1 (de) * 1992-03-05 1993-09-08 Schneider Electric Sa Schutzschalter mit drehbar gelagerten Betätigungsknöpfen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106968927A (zh) * 2017-03-10 2017-07-21 镇江市欧菱电气自动化系统设备有限公司 消防水泵机械强制启动装置

Also Published As

Publication number Publication date
TW423001B (en) 2001-02-21
EP0800189B1 (de) 2002-01-23
CN1068961C (zh) 2001-07-25
US5945645A (en) 1999-08-31
KR970071879A (ko) 1997-11-07
CN1171611A (zh) 1998-01-28
KR100469105B1 (ko) 2005-03-16
FR2747229A1 (fr) 1997-10-10
DE69709973T2 (de) 2002-06-20
DE69709973D1 (de) 2002-03-14
FR2747229B1 (fr) 1998-05-07

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