EP0577586B1 - Selbstschalter - Google Patents

Selbstschalter Download PDF

Info

Publication number: EP0577586B1
Authority: EP; European Patent Office
Prior art keywords: catch; support bar; housing; automatic circuit; pivot
Prior art date: 1992-06-29
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

EP93890124A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP0577586A1 (de

Inventor

Adolf Tetik

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.)

Felten and Guilleaume Austria AG

Original Assignee

Felten and Guilleaume Austria AG

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.)

1992-06-29

Filing date

1993-06-21

Publication date

1997-07-30

1993-06-21 Application filed by Felten and Guilleaume Austria AG filed Critical Felten and Guilleaume Austria AG

1994-01-05 Publication of EP0577586A1 publication Critical patent/EP0577586A1/de

1997-07-30 Application granted granted Critical

1997-07-30 Publication of EP0577586B1 publication Critical patent/EP0577586B1/de

2013-06-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

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

Definitions

the invention relates to a circuit breaker with a fixed contact piece associated switching bridge, which is under the action of a spring pulling it into its open position, with a pawl support pivotably mounted relative to the switching bridge and a pawl pivotable relative to the switching bridge, the pawl support being held by a torsion spring in it is locked with the pawl active position, and with a bracket that couples the pawl with an operating button.
EP-O 143 982 B1 shows and describes a self-switch in which the switching bridge is mounted so as to be pivotable about a pivot axis fixed to the housing.
the switching bridge has a jack support that has three arms.
a bimetallic release acts on one arm of the latch support and the plunger of an impact anchor release acts on the second arm.
the third arm of the jack support interacts with a jack which is pivotally mounted on the switching bridge.
a bracket is articulated on the pawl, which is connected at its other end to an actuating button which is rotatably mounted in the housing.
the switch bridge is pulled into its open position by a tension spring.
the actuating button is also acted upon by a spring which tends to bring the actuating button into the position which corresponds to the open state of the automatic switch (off position).
a disadvantage of this known embodiment is that both the pawl support and the pawl are pivotally mounted directly on the switching bridge, so that there is a construction which adversely affects the triggering behavior of the circuit breaker.
a circuit breaker according to the preamble of claim 1 is e.g. known from EP-A-0 295 158.
the invention has for its object to provide a circuit breaker that compared to the known embodiments, as far as its triggering behavior is improved.
the switching bridge is relieved of load, since it is no longer directly the carrier of the jack support on the one hand and the jack on the other hand.
circuit breaker is shown as an application example of the circuit breaker according to the invention and two exemplary embodiments of the invention.
a housing which consists of a lower shell 44 and an upper shell (not shown in the drawing).
the self-switch shown in FIGS. 1 to 5, which is integrated in a circuit breaker in FIG. 1, has an actuating button 1 which is pivotally mounted in the housing and which is coupled via a bracket 2 to a pawl 3 of the switch lock of the self-switch.
the circuit breaker is equipped with a bimetallic release 27 and a magnetic release 17.
the bimetallic release 27 acts on a latch support 6 of the circuit breaker 6 via a drawbar 13 which is displaceably guided in the intermediate shell 44 and the magnetic release 17 via its armature 17 '.
An arc quenching chamber 18 with deion plates is accommodated in the circuit breaker.
the actuating button 1 which is pivotably mounted in the housing, is loaded by a spring 1 'into the pivot position shown in FIGS. 1 and 3 and corresponding to the OFF position.
the actuation button 1 is coupled via the bracket 2 with the pawl 3 of the switch lock of the circuit breaker.
the pawl 3 is pivotally mounted on a support bracket 4 via a pin 7 or a tubular rivet serving as a bearing.
the pawl 3 is U-shaped, wherein in both legs of the pawl 3 openings for receiving the pin 7 (or Tubular rivets) are provided.
a projection 9 is provided, which, as will be described later, can engage behind a shoulder 10 on the pawl support 6 in order to latch the pawl 3 with the pawl support 6.
the pawl support 6 is pivotally mounted on the support bracket 4, both the support bracket 4 and the pawl support 6 being placed over a pivot axis 11 fixed to the housing and pivotable about the latter.
the carrier tab 4 is pivotally connected to the switching bridge 5, for example via a tubular rivet 12.
the axis (tubular rivet 12), about which the carrier plate 4 can be pivoted relative to the switching bridge 5, is located between the housing-fixed pivot axis 11 for the jack support 6, the switching bridge 5 and the carrier plate 4 and the free end of the switching bridge 5, which is in the ON position -Position on the housing-fixed contact of the LS part.
the carrier tab 4 is U-shaped and is pivotally mounted in the region of its legs via the tubular rivet 12 on the switching bridge 5. In openings in the legs of the carrier tab 4, the pin 7 (or the tubular rivet) also engages, so that the pawl 3 on the carrier tab 4 pivotally mounted pin 7 and the tubular rivet 12 are each inserted into two bearing openings in the carrier tab 4, and there is a symmetrical load.
a torsion spring 16 is inserted over a projection 14 surrounding the bearing opening for the axis 11 in the pawl support 6.
One end 16 'of the torsion spring 16 is hooked into a hook 4' on the carrier bracket 4 and the other end 16 '' of the torsion spring 16 into a hook 6 'on the pawl support 6.
the torsion spring 16 loads the pawl support 6 such that its end adjacent the pawl 3 and having the shoulder 10 is moved towards the pawl 3.
a bearing opening designed as an elongated hole 20 (FIGS. 4 and 5) is provided, through which the pivot axis 11, which is fixed to the housing, engages, via which the mounting bracket 4 and the pawl support 6 also pass through their bearing openings are stuck.
the end 22 of the pawl support 6 opposite the pawl 3 (in FIG. 2 below) is assigned the armature 17 'of the magnetic release 17 and, via the drawbar 13, which engages an angle 21 of the pawl support 6, the bimetallic release 27. If the pawl support 6 is pivoted counter to the action of the torsion spring 16, that is to say counterclockwise in FIG. 2, under the action of the armature 17 'of the magnetic release 17 or of the tension bracket 13 displaced by the bimetallic release 27, the projection 9 of the pawl 3 comes from the shoulder 10 free on the pawl support 6 and the pawl 3 pivots (in Fig. 2) clockwise, so that the arrangement of pawl 3 and bracket 2 kinks.
the carrier tab 4 is pivotable relative to the switching bridge 5
the carrier tab 4 and the pawl support 6 can be pivoted about a common axis (formed by the pivot axis 11 fixed to the housing).
the switching bridge 5 can pivot further about the point of contact between its end and the contact fixed to the housing, since the pivot axis 11 fixed to the housing is received in the elongated hole 20 of the switching bridge 5, and the switching bridge 5 can therefore move relative to the pivot axis 11.
the pivot axis 11 is no longer in contact with the end of the elongated hole 20 adjacent to the pawl support 6 in the switching bridge 5, but is at a distance from this end.
the mutual assignment of the relevant parts for triggering, namely the pawl 3 and the pawl support 6 is not changed, since these two parts are not mounted directly on the switching bridge 5, but on the carrier plate 4, which are in the above-mentioned movement of the Switch bridge 5 does not move at the end of the closing process relative to the latch 3 and the latch support 6.
a contact position indicator 8 is additionally provided.
This contact position indicator 8 is pivotally mounted in the housing about an axis 23 and has a bent part 24 which is assigned to an opening in the housing wall and is visible from the outside through this opening.
the contact position indicator 8 also has a lever arm 8 ', in which a curved, slot-shaped recess 28 is provided.
the pin 7, which connects the pawl 3 to the carrier tab 4, can protrude through a slot in the lower shell 44 from the housing in which the circuit breaker is accommodated and into an adjacent housing part, in which e.g. a fault current part of a combined circuit breaker is housed.
the storage of the pawl 3 on the carrier tab 4 can also be a be hollow axis (for example a tubular rivet), which forms the pivotable connection between the carrier tab 4 and the pawl 3.
the hollow axis engages in the embodiment with the contact position indicator 8 in the curved, slot-shaped recess 28 in the lever 26 of the contact position indicator 8, so that the latter is carried along when opening and closing the automatic switch and the positions of the switching bridge 5, ie the ON position and the OFF position.
the pin 7 can - if it is provided - be inserted through the hollow axis which connects the pawl 3 to the carrier tab 4.
the automatic switch according to the invention can also be equipped with snap-on switching, in which case a spring accumulator is provided in the actuating button 1, so that the bracket 2 only pivots the switching bridge 5 into its ON position, regardless of the pivoting movement of the actuating button 1, if sufficient spring force is stored and on Retention mechanism is overcome.
This retention mechanism can be a simple, resilient tongue which is fastened in the housing and which engages on the part of the actuation button 1 with which the bracket 2 is coupled. The retention mechanism only releases this part when the spring accumulator in the actuating button 1 is sufficiently charged for a jump engagement.
a self-switch according to the invention thus has a movable switching bridge (5) on which a carrier lug (4) which is pivotable relative to the latter is arranged.
the carrier bracket (4) pivotably carries a latch support (6) and a latch (3) which can be locked together.
the pawl (3) is coupled via a bracket (2) with an actuating button (1).
the bearing (7) of the pawl (3) on the carrier bracket (4) can be used to actuate a contact position indicator (8) and a further switching bridge.
the triggering behavior of the circuit breaker is improved by the carrier tab (4), since the pawl support (6) and the pawl (3) are not directly on the switching bridge (5) are mounted so that the switching bridge (5) is relieved.

Landscapes

Breakers (AREA)
Mechanisms For Operating Contacts (AREA)
Percussive Tools And Related Accessories (AREA)
Confectionery (AREA)
Control Of Eletrric Generators (AREA)
Switch Cases, Indication, And Locking (AREA)
Oscillators With Electromechanical Resonators (AREA)
Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Electronic Switches (AREA)
Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
High-Pressure Fuel Injection Pump Control (AREA)
Valve Device For Special Equipments (AREA)
Massaging Devices (AREA)
Vending Machines For Individual Products (AREA)
Fluid-Driven Valves (AREA)
Push-Button Switches (AREA)
Tumbler Switches (AREA)
Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

EP93890124A 1992-06-29 1993-06-21 Selbstschalter Expired - Lifetime EP0577586B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT0131992A AT404648B (de)	1992-06-29	1992-06-29	Selbstschalter
AT1319/92		1992-06-29

Publications (2)

Publication Number	Publication Date
EP0577586A1 EP0577586A1 (de)	1994-01-05
EP0577586B1 true EP0577586B1 (de)	1997-07-30

Family

ID=3511315

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP93890124A Expired - Lifetime EP0577586B1 (de)	1992-06-29	1993-06-21	Selbstschalter

Country Status (14)

Country	Link
EP (1)	EP0577586B1 (hu)
CN (1)	CN1031966C (hu)
AT (2)	AT404648B (hu)
AU (1)	AU672203B2 (hu)
CZ (1)	CZ283475B6 (hu)
DE (1)	DE59306994D1 (hu)
DK (1)	DK0577586T3 (hu)
ES (1)	ES2107000T3 (hu)
GR (2)	GR940300029T1 (hu)
HU (1)	HU217733B (hu)
MY (1)	MY114513A (hu)
PL (1)	PL170273B1 (hu)
SK (1)	SK282149B6 (hu)
TN (1)	TNSN93069A1 (hu)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10205311A1 (de) *	2002-02-08	2003-08-28	Siemens Ag	Schaltgerät

Families Citing this family (9)

* 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
DE19919417A1 (de) *	1999-04-28	2000-11-02	Siemens Ag	Schutzschalteinrichtung
PT1146534E (pt) *	2000-04-11	2002-07-31	Felten & Guilleaume Kg	Mecanismo de comutacao para disjuntores de proteccao
CZ300092B6 (cs) *	2001-09-20	2009-01-28	Moeller Gebäudeautomation KG	Spínací mechanika pro ochranný spínac
DE502004007985D1 (de) *	2004-07-05	2008-10-16	Abb Schweiz Ag	Bewegliche Kontakteinheit für eine Kontaktanordnung eines Schutzschalters
CN103681136B (zh) *	2013-12-19	2016-10-05	厦门宏发开关设备有限公司	一种开关断路器结构
DE102014106015A1 (de)	2014-04-29	2015-10-29	Eaton Industries Austria Gmbh	Schaltgerät
CN104299859B (zh) *	2014-09-29	2016-08-31	江苏普华力拓电器股份有限公司	一种带指示器的断路器
CN114783837A (zh) *	2022-03-28	2022-07-22	伊顿电气有限公司	微型断路器的操作系统和具有其的微型断路器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3339399A1 (de) *	1983-10-29	1985-05-09	Sursum Elektrizitätsgesellschaft Leyhausen GmbH & Co, 8500 Nürnberg	Selbstschalter mit lichtbogenblasfeld
FR2616583B1 (fr) *	1987-06-09	1995-01-06	Merlin Gerin	Mecanisme de commande d'un disjoncteur electrique miniature
EP0412953B1 (de) *	1989-08-08	1994-08-31	Felten & Guilleaume Fabrik elektrischer Apparate Aktiengesellschaft	Leitungsschutzschalter

1992
- 1992-06-29 AT AT0131992A patent/AT404648B/de not_active IP Right Cessation
1993
- 1993-06-21 EP EP93890124A patent/EP0577586B1/de not_active Expired - Lifetime
- 1993-06-21 ES ES93890124T patent/ES2107000T3/es not_active Expired - Lifetime
- 1993-06-21 DK DK93890124.6T patent/DK0577586T3/da not_active Application Discontinuation
- 1993-06-21 AT AT93890124T patent/ATE156304T1/de active
- 1993-06-21 DE DE59306994T patent/DE59306994D1/de not_active Expired - Lifetime
- 1993-06-23 CZ CZ931257A patent/CZ283475B6/cs not_active IP Right Cessation
- 1993-06-23 PL PL93299448A patent/PL170273B1/pl unknown
- 1993-06-25 HU HU9301861A patent/HU217733B/hu unknown
- 1993-06-28 CN CN93108067.3A patent/CN1031966C/zh not_active Expired - Lifetime
- 1993-06-28 AU AU41579/93A patent/AU672203B2/en not_active Expired
- 1993-06-28 SK SK674-93A patent/SK282149B6/sk not_active IP Right Cessation
- 1993-06-29 MY MYPI93001266A patent/MY114513A/en unknown
- 1993-06-29 TN TNTNSN93069A patent/TNSN93069A1/fr unknown
1994
- 1994-05-31 GR GR940300029T patent/GR940300029T1/el unknown
1997
- 1997-08-29 GR GR970402228T patent/GR3024584T3/el unknown

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10205311A1 (de) *	2002-02-08	2003-08-28	Siemens Ag	Schaltgerät
DE10205311B4 (de) *	2002-02-08	2006-06-29	Siemens Ag	Schaltgerät

Also Published As

Publication number	Publication date
DE59306994D1 (de)	1997-09-04
ATA131992A (de)	1998-05-15
ATE156304T1 (de)	1997-08-15
MY114513A (en)	2002-11-30
TNSN93069A1 (fr)	1994-03-17
HU217733B (hu)	2000-04-28
HUT67507A (en)	1995-04-28
DK0577586T3 (da)	1997-10-06
EP0577586A1 (de)	1994-01-05
CN1081785A (zh)	1994-02-09
SK67493A3 (en)	1994-01-12
CN1031966C (zh)	1996-06-05
SK282149B6 (sk)	2001-11-06
GR3024584T3 (en)	1997-12-31
CZ283475B6 (cs)	1998-04-15
ES2107000T3 (es)	1997-11-16
PL170273B1 (pl)	1996-11-29
PL299448A1 (en)	1994-01-10
AU4157993A (en)	1994-01-06
AU672203B2 (en)	1996-09-26
HU9301861D0 (en)	1993-09-28
AT404648B (de)	1999-01-25
CZ125793A3 (en)	1994-07-13
GR940300029T1 (en)	1994-05-31

Publication	Publication Date	Title
EP0543208B1 (de)	1995-10-25	Schutzschalter mit Schaltwippe
DE69227249T2 (de)	1999-04-08	Miniaturschaltautomat mit in z-achsenrichtung zusammensetzbarem auslösemechanismus
DE3520905C2 (hu)	1988-04-28
EP1760748B1 (de)	2013-05-01	Elektrisches Schaltgerät
EP1760747B1 (de)	2010-04-21	Elektrisches Schaltgerät
EP0412953B1 (de)	1994-08-31	Leitungsschutzschalter
EP0577586B1 (de)	1997-07-30	Selbstschalter
EP0046841B2 (de)	1989-11-08	Schaltmechanismus für Leitungsschutzschalter
DE3242062A1 (de)	1984-05-17	Elektrischer schalter
DE10032323A1 (de)	2001-01-25	Ein- und Ausschaltmechanismus für einen Ausschalter
EP0391086A1 (de)	1990-10-10	Druckknopfbetätigter Ueberstromschutzschalter
EP1728260B1 (de)	2009-03-04	Schaltwerk für ein elektrisches installationsschaltgerät
EP0500138B1 (de)	1994-12-07	Schutzschalter
EP0091040A2 (de)	1983-10-12	Überstromschutzschalter
EP0299291A1 (de)	1989-01-18	Leitungsschutzschalter
EP0680661B1 (de)	1997-03-12	Leitungsschutzschalter
EP0444010B1 (de)	1995-01-11	Schaltschloss für einen Fehlerstromschutzschalter
EP0731979B1 (de)	1997-09-03	Schutzschalter
EP0127784B1 (de)	1986-07-30	Überstromschutzschalter
EP0147629B1 (de)	1987-03-04	Schutzschalter
EP0849759B1 (de)	2002-10-23	Installationsschaltgerät
EP0146528B1 (de)	1989-01-11	Schaltmechanik für Leitungsschutzschalter
AT404647B (de)	1999-01-25	Elektrischer schutzschalter
DE2219428C2 (de)	1977-05-05	Uberstromschalter für Fernmeldeanlagen
EP0491250A2 (de)	1992-06-24	Installationsgerät

Legal Events

Date	Code	Title	Description
1993-11-19	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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1994-04-01	EL	Fr: translation of claims filed
1994-04-21	ITCL	It: translation for ep claims filed	Representative=s name: DR. ING. A. RACHELI & C.
1995-09-27	17Q	First examination report despatched	Effective date: 19950809
1996-12-21	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
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