EP0104981A1 - Elektrischer Schalter mit einer ferngesteuerten ruhenden Schaltvorrichtung - Google Patents

Elektrischer Schalter mit einer ferngesteuerten ruhenden Schaltvorrichtung Download PDF

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Publication number
EP0104981A1
EP0104981A1 EP83401751A EP83401751A EP0104981A1 EP 0104981 A1 EP0104981 A1 EP 0104981A1 EP 83401751 A EP83401751 A EP 83401751A EP 83401751 A EP83401751 A EP 83401751A EP 0104981 A1 EP0104981 A1 EP 0104981A1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
contacts
static switch
arc
electric circuit
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
EP83401751A
Other languages
English (en)
French (fr)
Other versions
EP0104981B1 (de
Inventor
Jean-Luc Mertz
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
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 Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of EP0104981A1 publication Critical patent/EP0104981A1/de
Application granted granted Critical
Publication of EP0104981B1 publication Critical patent/EP0104981B1/de
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/121—Protection of release mechanisms
    • 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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/548—Electromechanical and static switch connected in series

Definitions

  • the invention relates to an electric circuit breaker according to the preamble of the claim.
  • a circuit breaker is generally equipped with a manual opening and closing control handle and is capable of automatically interrupting fault currents. It does not lend itself well to a remote control and its mechanism is not suitable for a large number of operations.
  • the present invention aims to remedy these drawbacks and allow the realization of a simple and inexpensive remote control circuit breaker.
  • the invention as characterized in the claims makes use of a static switch, in particular a triac, to ensure the remote control, the circuit breaker mechanism and its contacts not involved in this operation.
  • the properties and advantages of static switches are well known, but their possibilities of use are limited by their great sensitivity to overloads which cause their destruction. It has already been proposed in patent US Pat.
  • the response time of this known circuit breaker is too long to effectively protect the semiconductor of the static switch and this circuit breaker is useless in the distribution circuits.
  • the switching of the arc to shunt the semiconductor the circuit breaker protects the semiconductor at the same time.
  • the assembly can be housed in the same standard size housing which facilitates connections and assembly.
  • the circuit breaker can be unipolar or multipolar, in particular for alternating current.
  • FIGs 1 and 2 there is shown a pole of a miniature electric circuit breaker 10 used in an AC low voltage network.
  • the housing 12 of molded insulating material comprises a rear base 14 adaptable to a support rail by means of a latch 16, and a front face 18 provided with an opening for passage of a control handle 20.
  • Each pole comprises a pair of separable contacts 22, 24, a breaking chamber 26 with plates 28 for deionizing the arc and an operating mechanism 30 associated with the lever 20 for manual control and with an automatic magnetothermal trip device 32.
  • the latter is electrically inserted in the main trip circuit and is formed by a bimetal thermal trip device 34 and an electromagnetic trip device with coil 36 connected in series with the pair of contacts 22, 24 in electrical connection with the connection terminals 38, 40 of the pole .
  • the breaking chamber 26 is framed by two lower arc 39 and upper arc horns 41 extending parallel to the sheets 28 and aulfond of the base 14.
  • the movable contact 24 is integral with a contact arm 42 actuated by the operating mechanism 30.
  • the contact arm 42 is pivotally mounted on a rocker arm 44 mechanically coupled to a toggle switch 46 associated with the lever 20.
  • a release lever 48 pivoting on an axis 50 cooperates with the end of the contact arm 42 opposite the movable contact 24, so as to secure the arm 42 to the rocker arm 44.
  • a lock 52 ensures the attachment of the lever release 48 in the locked position.
  • the automatic opening of the contacts 22, 24 of the pole is caused by a pivoting of the latch 52 towards an unlocked position which releases the trigger lever 48 entraining under the action of a spring the contact arm 42 pivoting towards the position opening hours.
  • the latch 52 is actuated towards the unlocked position either by the deflection of the bimetallic strip 34 in the event of overload, or by the displacement of the movable core of the electromagnetic trip device 36 during the appearance of a short circuit.
  • a static switching member formed by a controlled semiconductor element in particular a triac 56 or two thyristors in parallel head to tail, is electrically connected in the main trip circuit, in series with the pair of contacts 22 , 24 and the bimetal 34 and coil triggers., Electromagnetic 36.
  • the triac 56 priming electrode is connected to a connection socket 57 arranged in the housing 12 and capable of receiving an external conductor 58 in connection with a device remote control 60 (fig. 2).
  • the triac 56 is electrically connected in the main circuit between the fixed contact 22 and one 40 of the pole connection terminals.
  • the movable contact 24 is in electrical connection with the other terminal 38 through the coil 36 and the bimetallic strip 34.
  • the upper arc horn 41 is connected to the base of the bimetallic strip 34 connected to the terminal 38.
  • the lower arc horn 39 is extended to the vicinity of the fixed contact 22 and is connected by a connecting conductor 62 at a connection point 64 located between the triac 56 and the terminal 40 of the main circuit.
  • the arcing horn 39 is separated from the fixed contact 22 by a small gap 66 so as to allow rapid switching of the arcing to the extension of the lower horn 39 from the start of the opening stroke of the contact arm 42 .
  • the operating mechanism 30 ensures, in a well known manner, the displacement of the contact arm 42 towards the open position. The same is true when the fault current is a significant short circuit involving the electromagnetic trip device 36 when the instantaneous trip threshold is exceeded.
  • the driver triac 56 is short-circuited by the driver 62 as soon as the arc switches to the lower horn 39 at the start of the opening stroke of the movable contact 24. (in dotted lines). The triac 56 is thus protected against any overcurrent upon separation of the contacts 22, 24 and switches off automatically on the next zero crossing of the current.
  • the conventional switching of the arc on the upper horn 41 takes place, the arc then being anchored between the two horns 39, 41 of the chamber 26, so as to shunt the bimetallic strip 34 and the coil 36 of the thermal and electromagnetic triggers.
  • the arc is extinguished in the chamber 26 thanks to the deionization plates 28.
  • the circuit breaker 10 then operates as a static switch remotely controlled by blocking and unblocking of the triac 56 ensuring respectively the interruption and the establishment of the nominal current in the main circuit of the pole without intervention of the mechanism 30 of the circuit breaker.
  • the overcurrent protection function is provided by the magnetothermal trip device 32 cooperating with the mechanism 30 to open the contact arm 42, the triac 56 being in the conducting state.
  • the switching of the arc on the horn 39 short-circuits the triac 56 which goes out, the latter being protected against the fault current as soon as the contacts 22, 24 separate.
  • the remote control function of the circuit breaker 10 results exclusively from the intervention of the device 60 for remote control of the triac 56 while the mechanism 30 remains inactive in the closed position of the contacts 22, 24.
  • the variant of fig. 3 shows an electrical connection different from the triac 56 in the main pole trip circuit. All the other elements of the circuit breaker 10 are identical to that of FIGS. 1 and 2, with the exception of the lower horn 39 connected directly to the fixed contact 22.
  • the triac 56 is inserted between the movable contact 24 and the terminal 38 in series with the bimetallic strip 34 and the coil 36 of the magnetothermal trip device 32.
  • the contact fixed 22 is directly connected to terminal 40.
  • the operation of the remote-controlled circuit breaker 10 according to FIG. 3 is similar to that of figs; 1 and 2, only the shunting time of the triac 56 is modified during the shutdown phase.
  • the shunting occurs at the end of opening stroke of the contact arm 42 (in dotted lines) when the arc is switched on the upper horn 41.
  • the series circuit formed by the triac 56, the bimetallic strip 34 and the coil 36 is then short -circuited by the upper horn 41.
EP83401751A 1982-09-17 1983-09-06 Elektrischer Schalter mit einer ferngesteuerten ruhenden Schaltvorrichtung Expired EP0104981B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8215841A FR2533363B1 (fr) 1982-09-17 1982-09-17 Disjoncteur electrique a courant alternatif equipe d'un declencheur magnetothermique et d'un organe de commutation statique a telecommande
FR8215841 1982-09-17

Publications (2)

Publication Number Publication Date
EP0104981A1 true EP0104981A1 (de) 1984-04-04
EP0104981B1 EP0104981B1 (de) 1987-01-28

Family

ID=9277596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83401751A Expired EP0104981B1 (de) 1982-09-17 1983-09-06 Elektrischer Schalter mit einer ferngesteuerten ruhenden Schaltvorrichtung

Country Status (7)

Country Link
US (1) US4531172A (de)
EP (1) EP0104981B1 (de)
JP (1) JPS5966030A (de)
CA (1) CA1200305A (de)
DE (1) DE3369597D1 (de)
ES (1) ES8404757A1 (de)
FR (1) FR2533363B1 (de)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3615340A1 (de) * 1985-05-06 1986-11-06 La Télémécanique Electrique, Nanterre, Hauts-de-Seine Unterbrechervorrichtung mit schutz gegen kurzschlussstroeme
FR2584529A1 (fr) * 1985-07-04 1987-01-09 Merlin Gerin Disjoncteur-contacteur electrique, notamment pour des batteries de condensateurs
FR2595164A1 (fr) * 1986-02-28 1987-09-04 Merlin Gerin Appareil de coupure de courant a commutateur statique et disjoncteur de protection integre
FR2595163A1 (fr) * 1986-02-28 1987-09-04 Merlin Gerin Disjoncteur electrique a protection amelioree
EP0236202A1 (de) * 1986-02-28 1987-09-09 Merlin Gerin Stromunterbrechungsapparat mit statischem Schalter und Schutzlastschalter
FR2618270A1 (fr) * 1987-07-17 1989-01-20 Telemecanique Electrique Circuit et appareillage pour l'alimentation protegee d'une charge a l'aide d'interrupteurs statiques et electromecaniques.
FR2651915A1 (fr) * 1989-09-13 1991-03-15 Merlin Gerin Disjoncteur statique ultra-rapide a isolement galvanique.
EP0589779A1 (de) * 1992-09-25 1994-03-30 Schneider Electric Sa Leitungsschutzschalter mit magnetischer Blasschleife
EP0633584A1 (de) * 1993-07-05 1995-01-11 Schneider Electric Sa Elektrischer Schutz- und Reglervorrichtung für elektrische Last
EP0649156A1 (de) * 1993-10-15 1995-04-19 Schneider Electric Sa Schutzeinrichtung dargestellt durch die Reihenschaltung eines Schutzschalters mit einem Schaltgerät
EP0649157A1 (de) * 1993-10-15 1995-04-19 Schneider Electric Sa Elektrischer Schutzvorrichtung mit Lastschalter und Effektor
EP0780861A1 (de) 1995-12-21 1997-06-25 Schneider Electric Sa Elektrisches Gerät mit Bogenkommutierung
WO2002031849A1 (en) * 2000-10-12 2002-04-18 Eaton Corporation Circuit breaker with bypass for redirecting high transient current and associated method
US9998117B2 (en) 2015-12-10 2018-06-12 Abb Schweiz Ag Solid state resettable fuses

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE82087T1 (de) * 1987-11-25 1992-11-15 Square D Deutschland Schuetz.
US4965694A (en) * 1989-03-30 1990-10-23 Square D Company Remote controlled circuit breaker system
US5373411A (en) * 1991-09-30 1994-12-13 Eaton Corporation Remote control circuit breaker system
US5301083A (en) * 1991-09-30 1994-04-05 Eaton Corporation Remote control residential circuit breaker
DE19530494B4 (de) * 1995-08-18 2005-04-28 Siemens Ag Schutzschalter mit Strombegrenzungselement
US6624989B2 (en) * 2001-05-18 2003-09-23 Franklin Electric Company, Inc. Arc suppressing circuit employing a triggerable electronic switch to protect switch contacts
US6917500B2 (en) * 2002-04-08 2005-07-12 Harris Corporation Hybrid relay including solid-state output and having non-volatile state-retention and associated methods
US7692112B2 (en) * 2006-01-10 2010-04-06 Siemens Industry, Inc. Control module
JP6694251B2 (ja) * 2015-08-31 2020-05-13 テンパール工業株式会社 住宅用分電盤
DE102016105341B4 (de) * 2016-03-22 2022-05-25 Eaton Intelligent Power Limited Schutzschaltgerät
US10650993B1 (en) * 2019-03-19 2020-05-12 Siemens Industry, Inc. Circuit breaker with enhanced arc extinguishing chamber
CN111952130B (zh) * 2020-06-29 2023-10-03 深圳微羽智能科技有限公司 一种双断点机构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344949A1 (fr) * 1976-03-15 1977-10-14 Merlin Gerin Disjoncteur miniature basse tension
FR2360977A1 (fr) * 1976-08-04 1978-03-03 Merlin Gerin Disjoncteur basse tension a circuit derive de protection du declencheur
US4272687A (en) * 1979-03-05 1981-06-09 Borkan William N Power manageable circuit breaker

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430016A (en) * 1966-04-15 1969-02-25 Gen Electric Electric current interrupting device
US3466503A (en) * 1967-06-14 1969-09-09 Gen Electric Assisted arc a.c. circuit interruption
US4209760A (en) * 1978-05-25 1980-06-24 Gould Inc. Circuit breaker and accessory devices therefor
JPS5832218B2 (ja) * 1978-08-22 1983-07-12 川崎製鉄株式会社 プレス性とくに形状凍結性の優れた高張力鋼板の製造方法
JPS5625734A (en) * 1979-08-10 1981-03-12 Toray Ind Inc Photosensitive resin fixing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344949A1 (fr) * 1976-03-15 1977-10-14 Merlin Gerin Disjoncteur miniature basse tension
FR2360977A1 (fr) * 1976-08-04 1978-03-03 Merlin Gerin Disjoncteur basse tension a circuit derive de protection du declencheur
US4272687A (en) * 1979-03-05 1981-06-09 Borkan William N Power manageable circuit breaker

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3615340A1 (de) * 1985-05-06 1986-11-06 La Télémécanique Electrique, Nanterre, Hauts-de-Seine Unterbrechervorrichtung mit schutz gegen kurzschlussstroeme
FR2581477A1 (fr) * 1985-05-06 1986-11-07 Telemecanique Electrique Appareil interrupteur protege contre les courants de court-circuit
EP0204594A1 (de) * 1985-05-06 1986-12-10 Telemecanique Gegen Kurzschlussströme geschütztes Schaltgerät
FR2584529A1 (fr) * 1985-07-04 1987-01-09 Merlin Gerin Disjoncteur-contacteur electrique, notamment pour des batteries de condensateurs
EP0211707A1 (de) * 1985-07-04 1987-02-25 Merlin Gerin Elektrischer Schaltschutz für Kondensatoranlagen
US4725911A (en) * 1985-07-04 1988-02-16 Merlin Gerin Electrical circuit breaker-contactor, notably for capacitor banks
FR2595163A1 (fr) * 1986-02-28 1987-09-04 Merlin Gerin Disjoncteur electrique a protection amelioree
EP0236202A1 (de) * 1986-02-28 1987-09-09 Merlin Gerin Stromunterbrechungsapparat mit statischem Schalter und Schutzlastschalter
FR2595164A1 (fr) * 1986-02-28 1987-09-04 Merlin Gerin Appareil de coupure de courant a commutateur statique et disjoncteur de protection integre
FR2618270A1 (fr) * 1987-07-17 1989-01-20 Telemecanique Electrique Circuit et appareillage pour l'alimentation protegee d'une charge a l'aide d'interrupteurs statiques et electromecaniques.
FR2651915A1 (fr) * 1989-09-13 1991-03-15 Merlin Gerin Disjoncteur statique ultra-rapide a isolement galvanique.
EP0421891A1 (de) * 1989-09-13 1991-04-10 Schneider Electric Sa Statischer Schnelltrennschalter mit galvanischer Trennung
US5132865A (en) * 1989-09-13 1992-07-21 Merlin Gerin Ultra high-speed circuit breaker with galvanic isolation
FR2696273A1 (fr) * 1992-09-25 1994-04-01 Telemecanique Disjoncteur électrique à soufflage magnétique.
EP0589779A1 (de) * 1992-09-25 1994-03-30 Schneider Electric Sa Leitungsschutzschalter mit magnetischer Blasschleife
US5373273A (en) * 1992-09-25 1994-12-13 Telemecanique Electric circuit-breaker of the magnetic arc extinction type
EP0633584A1 (de) * 1993-07-05 1995-01-11 Schneider Electric Sa Elektrischer Schutz- und Reglervorrichtung für elektrische Last
FR2707437A1 (fr) * 1993-07-05 1995-01-13 Telemecanique Dispositif de protection et de commande pour charge électrique.
US5493264A (en) * 1993-10-15 1996-02-20 Schneider Electric Sa Protection apparatus formed by association of a circuit breaker in series with an effector
EP0649157A1 (de) * 1993-10-15 1995-04-19 Schneider Electric Sa Elektrischer Schutzvorrichtung mit Lastschalter und Effektor
FR2711271A1 (fr) * 1993-10-15 1995-04-21 Merlin Gerin Appareillage de protection formé par l'association d'un disjoncteur en série avec un effecteur.
FR2711270A1 (fr) * 1993-10-15 1995-04-21 Merlin Gerin Appareillage de protection électrique à disjoncteur et effecteur.
EP0649156A1 (de) * 1993-10-15 1995-04-19 Schneider Electric Sa Schutzeinrichtung dargestellt durch die Reihenschaltung eines Schutzschalters mit einem Schaltgerät
US5539365A (en) * 1993-10-15 1996-07-23 Schneider Electric Sa Electrical protection apparatus with circuit breaker and effector
EP0780861A1 (de) 1995-12-21 1997-06-25 Schneider Electric Sa Elektrisches Gerät mit Bogenkommutierung
FR2742916A1 (fr) * 1995-12-21 1997-06-27 Schneider Electric Sa Dispositif electrique a commutation d'arc
US5777286A (en) * 1995-12-21 1998-07-07 Schneider Electric Sa Electric device having separable contacts with arc switching
WO2002031849A1 (en) * 2000-10-12 2002-04-18 Eaton Corporation Circuit breaker with bypass for redirecting high transient current and associated method
GB2384625A (en) * 2000-10-12 2003-07-30 Eaton Corp Circuit breaker with bypass for redirecting high transient current and associated method
AU2002212566B2 (en) * 2000-10-12 2005-07-07 Eaton Corporation Circuit breaker with bypass for redirecting high transient current and associated method
US9998117B2 (en) 2015-12-10 2018-06-12 Abb Schweiz Ag Solid state resettable fuses

Also Published As

Publication number Publication date
US4531172A (en) 1985-07-23
FR2533363A1 (fr) 1984-03-23
JPS5966030A (ja) 1984-04-14
ES525452A0 (es) 1984-05-16
ES8404757A1 (es) 1984-05-16
JPH0338694B2 (de) 1991-06-11
FR2533363B1 (fr) 1985-11-08
CA1200305A (en) 1986-02-04
DE3369597D1 (en) 1987-03-05
EP0104981B1 (de) 1987-01-28

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