EP0897188A1 - Steuervorrichtung für elektrischer Schutzapparat wie ein Schutzschalter mit einer Anzeigevorrichtung zur Auslösung, und Schutzschalter ausgerüstet mit einer solchen Vorrichtung - Google Patents

Steuervorrichtung für elektrischer Schutzapparat wie ein Schutzschalter mit einer Anzeigevorrichtung zur Auslösung, und Schutzschalter ausgerüstet mit einer solchen Vorrichtung Download PDF

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Publication number
EP0897188A1
EP0897188A1 EP98410079A EP98410079A EP0897188A1 EP 0897188 A1 EP0897188 A1 EP 0897188A1 EP 98410079 A EP98410079 A EP 98410079A EP 98410079 A EP98410079 A EP 98410079A EP 0897188 A1 EP0897188 A1 EP 0897188A1
Authority
EP
European Patent Office
Prior art keywords
lever
click
handle
stop
circuit breaker
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
EP98410079A
Other languages
English (en)
French (fr)
Other versions
EP0897188B1 (de
Inventor
Philippe Delcambre
Jean-Luc Pielawski
Jean-Claude Ramacciotti
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
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 SE, Schneider Electric Industries SAS filed Critical Schneider Electric SE
Publication of EP0897188A1 publication Critical patent/EP0897188A1/de
Application granted granted Critical
Publication of EP0897188B1 publication Critical patent/EP0897188B1/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
    • 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
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
    • 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
    • H01H71/62—Manual reset mechanisms which may be also used for manual release with means for preventing resetting while abnormal condition persists, e.g. loose handle arrangement

Definitions

  • Circuit breakers are known, such as those described in patents EP 352 679 and DE 4 122 268, comprising such a means of signaling an automatic triggering. These means in general intervene an additional part, namely a stop integral with the housing the device and cooperating with the elements of the mechanism to retain the lever in this intermediate position.
  • the present invention provides a device for controlling a circuit breaker comprising a trip signaling means, simple in design, and a circuit breaker fitted with these measures.
  • this signaling means comprises a click mounted on the lever cooperating with a stop arranged on a part of the aforementioned mechanism so as to retain the lever in an intermediate position, during its opening movement after breaking of the mechanical connection between the lever and the support device having resulted in a automatic release.
  • the abovementioned stop is arranged on the device support.
  • control device D intended to be used to control opening and closing of contacts 1, 2 of an electric switch or circuit breaker miniature with molded insulating case.
  • This device is intended to actuate a movable contact arm 3 whose free end 3a carries a contact piece 4 cooperating with a fixed contact 1.
  • This contact arm 3 can be moved manually via a joystick 5 or automatically via of a mechanism M described below.
  • a hole (not shown) is formed in the front face of the circuit breaker box for the passage of the handle 5 mounted with limited pivoting on a axis 6, and movable between a closed position F (fig. 1) in which the contacts 1, 2 are closed, and an open position 0 (fig. 3) corresponding to the separation of the contacts 1, 2.
  • the lever 5 is coupled to a transmission link 7, in particular made of steel, for constitute a first toggle joint g whose articulation 7a on the link 5 is eccentric with respect to the fixed axis 6 of the lever 5.
  • This first toggle g is designed to give the two stable positions of handle 5 (fig. 1 and 3).
  • a return spring biases the lever 5 towards the open position after passing the neutral point of the first knee switch g.
  • a mechanical link L comprising a second toggle joint h connects the lever 5 and the plate 9.
  • the link L authorizes manual control of the mechanism M by the joystick 5.
  • the movement of the trigger bar 8 to the triggered position under the action of the thermal or electromagnetic trigger, causes the momentary rupture of the mechanical link L, causing the automatic triggering of the mechanism, regardless of the joystick.
  • the trigger bar 8 is associated with a return spring (not shown) intended to ensure the automatic restoration of the mechanical link L when the lever 5 is actuated towards the open position, following a trip of the M mechanism on fault.
  • the aforementioned second toggle joint h comprises the transmission link 7 coupled to a hook 10 pivotally mounted on an axis 11 of the plate 9 and comprising a retaining spout 12 cooperating in the locked position with the trigger bar 8.
  • the connecting rod transmission 7 is coupled to the hook 10 at a hinge point 12a located between the axis 11 of the hook 10 and the retaining spout 12.
  • This device also comprises a means S for signaling the triggering by a intermediate position of the lever 5.
  • this means S comprises a click 13 associated with the lever 5 intended to cooperate with a stop 14 integral with the plate 9.
  • the lever 5 is formed of a first semi-circular part 5a comprising a handle 5c and movable in rotation about the axis cited above 6 and a second part 5b (hereinafter called click), movable in rotation around the same axis 6 relative to the first part 5a, and comprising a projecting element forming click 13.
  • the first part 5a of the handle 5 (hereinafter called the handle) has a surface support 20 capable of driving the click 13 in rotation during movement of the lever 5 in the direction of opening of contacts 1, 2.
  • the lever 5 comprises a gadroon 15 suitable for driving the click 13 in rotation during movement of the lever 5, in the direction of the closing of contacts 1, 2 (fig. 5).
  • the mechanism as described operates in the following manner.
  • the handle 5c of the lever 5 is on the right and the breakable mechanical connection L is locked by the trip bar 8.
  • the movable contact 2 remains in the engaged position maintained by the plate 9. The whole remains in equilibrium by means of the attachment.
  • the bar 8 unlocks the hook 10 causing the tilting of the link L under the effect of the relaxation of the opening spring.
  • the mechanical assembly (movable contact 2, trip bar 8, hook 10, plate 9) is recalled by the mechanism spring in the "open circuit breaker" position.
  • the lever 5 is returned by the lever spring in the direction of opening.
  • the bearing surface 20 of the lever 5 causes the click 13 to rotate until this is stopped by the stop 14 of the plate 9 (fig. 4).
  • the inertia of the parts and the stiffness of the springs are adjusted so that the plate 9 is in its open equilibrium position before joystick 5 has started to move. So the trigger is signaled visually by a particular position of the lever 5, and a red light (not visible) fixed on the handle which appears only in this position.
  • the lever spring returns the lever 5 to the open position and it is necessary to bring the gadroon 15 to the other side of the click 13 so that it can again cause the click 13 during a new closing maneuver.
  • a stop 17 is provided on the click 13 intended to cooperate with a fixed stop. 18 relative to the handle 5 so as to allow, when opening the handle 5, the passage of the godron 15 on the other side of the click 13, after the abutment 17 comes into contact with the click 13 on the fixed stop 18.
  • the stop 18 fixed relative to the lever 5 creates a torque sufficient to pass the gadroon 15 on the other side of the click 13 towards the end of the opening of the joystick 5.
  • this device can advantageously be used in uni, bi circuit breakers, sorting and four-pole.

Landscapes

  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP98410079A 1997-07-16 1998-07-09 Steuervorrichtung für elektrischer Schutzapparat wie ein Schutzschalter mit einer Anzeigevorrichtung zur Auslösung, und Schutzschalter ausgerüstet mit einer solchen Vorrichtung Expired - Lifetime EP0897188B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9709236A FR2766292B1 (fr) 1997-07-16 1997-07-16 Dispositif de commande d'un appareil de protection electrique tel un disjoncteur comprenant un moyen de signalisation du declenchement, et disjoncteur equipe d'un tel dispositif
FR9709236 1997-07-16

Publications (2)

Publication Number Publication Date
EP0897188A1 true EP0897188A1 (de) 1999-02-17
EP0897188B1 EP0897188B1 (de) 2006-10-25

Family

ID=9509434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98410079A Expired - Lifetime EP0897188B1 (de) 1997-07-16 1998-07-09 Steuervorrichtung für elektrischer Schutzapparat wie ein Schutzschalter mit einer Anzeigevorrichtung zur Auslösung, und Schutzschalter ausgerüstet mit einer solchen Vorrichtung

Country Status (6)

Country Link
EP (1) EP0897188B1 (de)
CN (1) CN1174456C (de)
AT (1) ATE343849T1 (de)
DE (1) DE69836247T2 (de)
ES (1) ES2274561T3 (de)
FR (1) FR2766292B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19919420A1 (de) * 1999-04-28 2000-11-02 Siemens Ag Schutzschalteinrichtung, beispielsweise Leitungsschutzschalter
CN102347169A (zh) * 2010-07-30 2012-02-08 上海良信电器股份有限公司 用于塑壳断路器的隔离指示结构

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103065881B (zh) * 2012-12-28 2015-01-28 常熟开关制造有限公司(原常熟开关厂） 电路断路器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0202546A2 (de) * 1985-05-17 1986-11-26 Licentia Patent-Verwaltungs-GmbH Schaltmechanismus für einen Leitungsschutzschalter
EP0224396A1 (de) * 1985-10-31 1987-06-03 Merlin Gerin Steuermechanismus für Niederspannungslastschalter
DE3619242A1 (de) * 1986-06-07 1987-12-10 Kloeckner Moeller Elektrizit Schaltmechanismus fuer einen leitungsschutzschalter
EP0295158A1 (de) * 1987-06-09 1988-12-14 Merlin Gerin Steuermechanismus eines elektrischen Kleinschalters
EP0352679A2 (de) * 1988-07-27 1990-01-31 Asea Brown Boveri Aktiengesellschaft Elektrisches Schaltgerät
DE4122268A1 (de) * 1991-07-05 1993-01-14 Kopp Gmbh & Co Kg Heinrich Schaltmechanismus fuer schutzschaltgeraete
EP0564380A1 (de) * 1992-03-31 1993-10-06 Schneider Electric Sa Antriebsmechanismus mit Schieber für elektrischen Lastschalter mit Nulleiter-Schalter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0202546A2 (de) * 1985-05-17 1986-11-26 Licentia Patent-Verwaltungs-GmbH Schaltmechanismus für einen Leitungsschutzschalter
EP0224396A1 (de) * 1985-10-31 1987-06-03 Merlin Gerin Steuermechanismus für Niederspannungslastschalter
DE3619242A1 (de) * 1986-06-07 1987-12-10 Kloeckner Moeller Elektrizit Schaltmechanismus fuer einen leitungsschutzschalter
EP0295158A1 (de) * 1987-06-09 1988-12-14 Merlin Gerin Steuermechanismus eines elektrischen Kleinschalters
EP0352679A2 (de) * 1988-07-27 1990-01-31 Asea Brown Boveri Aktiengesellschaft Elektrisches Schaltgerät
DE4122268A1 (de) * 1991-07-05 1993-01-14 Kopp Gmbh & Co Kg Heinrich Schaltmechanismus fuer schutzschaltgeraete
EP0564380A1 (de) * 1992-03-31 1993-10-06 Schneider Electric Sa Antriebsmechanismus mit Schieber für elektrischen Lastschalter mit Nulleiter-Schalter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19919420A1 (de) * 1999-04-28 2000-11-02 Siemens Ag Schutzschalteinrichtung, beispielsweise Leitungsschutzschalter
CN102347169A (zh) * 2010-07-30 2012-02-08 上海良信电器股份有限公司 用于塑壳断路器的隔离指示结构
CN102347169B (zh) * 2010-07-30 2014-06-11 上海良信电器股份有限公司 用于塑壳断路器的隔离指示结构

Also Published As

Publication number Publication date
EP0897188B1 (de) 2006-10-25
DE69836247D1 (de) 2006-12-07
CN1205535A (zh) 1999-01-20
FR2766292B1 (fr) 1999-09-03
FR2766292A1 (fr) 1999-01-22
ATE343849T1 (de) 2006-11-15
CN1174456C (zh) 2004-11-03
ES2274561T3 (es) 2007-05-16
DE69836247T2 (de) 2007-09-13

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