EP0146721B1 - Selbstschalter mit Schlaganker-Auslöser - Google Patents

Selbstschalter mit Schlaganker-Auslöser Download PDF

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Publication number
EP0146721B1
EP0146721B1 EP84112943A EP84112943A EP0146721B1 EP 0146721 B1 EP0146721 B1 EP 0146721B1 EP 84112943 A EP84112943 A EP 84112943A EP 84112943 A EP84112943 A EP 84112943A EP 0146721 B1 EP0146721 B1 EP 0146721B1
Authority
EP
European Patent Office
Prior art keywords
coupling rod
automatic circuit
ram
armature
armature core
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
Application number
EP84112943A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0146721A1 (de
Inventor
Joseph Dipl.-Ing. Westermeyer
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.)
Cessione abl Sursum Bayerische Elektrozubehor GmbH
Original Assignee
Sursum Elektrizitatsgesellschaft Leyhausen & Co GmbH
SURSUM ELEKTRIZITATSGESELLSCHAFT LEYHAUSEN GmbH AND Co
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 Sursum Elektrizitatsgesellschaft Leyhausen & Co GmbH, SURSUM ELEKTRIZITATSGESELLSCHAFT LEYHAUSEN GmbH AND Co filed Critical Sursum Elektrizitatsgesellschaft Leyhausen & Co GmbH
Publication of EP0146721A1 publication Critical patent/EP0146721A1/de
Application granted granted Critical
Publication of EP0146721B1 publication Critical patent/EP0146721B1/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
    • H01H71/24—Electromagnetic mechanisms
    • H01H2071/249—Electromagnetic mechanisms with part of the magnetic circuit being in the normal current path in the circuit breaker, e.g. yoke, fixed contact and arc-runner are made out of one single conductive element
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2409—Electromagnetic mechanisms combined with an electromagnetic current limiting mechanism
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures
    • 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

Definitions

  • the invention relates to a circuit breaker which has a housing in a narrow construction and with a side wall, in which a movable contact piece can be brought into a closed position by means of a switching mechanism with an immovable contact piece and can be kept under tension, and in which a for releasing this closing voltage and opening the switching contact Impact anchor trigger is provided, which has an armature core in a winding and a plunger projecting forward and the rear side of the plunger opposite the plunger is adjacent to a region of the side wall and is arranged parallel to the latter.
  • the invention provides a self-switch, which is characterized in that the exterior of the side wall region parallel to the impact anchor trigger rear side is free of components of the self-switch and is equipped with an additional shutdown device that the additional Switch-off device has an actuating device for a coupling rod, that the coupling rod protrudes out of the additional switch-off device and through the mentioned side wall area to the rear of the impact anchor trigger and that the armature core has an axial bore which the end piece of the coupling rod, the end of which The plunger acts, takes it back and forth.
  • the event stream is stored in the auxiliary actuator, e.g. a fault current switch known per se is implemented in that it sets the actuating device in motion, which in turn displaces the coupling rod.
  • the additional actuating device is of known construction and reinforced e.g. a small current to be measured, so as to move a coil core by means of a coil, which moves the coupling rod.
  • the invention combines this additional actuating device with the automatic switch of the type mentioned, in which the rear of the impact armature trigger has already moved closer to the side wall.
  • the self-switch used generally also has a bimetallic release and is generally constructed in the same way as the switch shown as an example in the drawing.
  • the additional shutdown device does not have to actuate the spring of the armature core.
  • the diameter of the axial bore of the armature core is smaller than half the diameter of the armature core, the influence of the bore on the magnetic properties of the armature core is negligible.
  • the coupling rod is made of non-ferromagnetic material, e.g. Plastic, then the possibility of sticking the coupling rod to the anchor core is avoided. If the coupling rod is a separate part from the plunger, assembly is easier than if the coupling rod and plunger are in one piece.
  • the coupling rod and anchor core can act on the tappet and the disk does not reduce the distance between the tappet and anchor core.
  • the circuit breaker according to the drawing has a narrow housing, which consists of a box 1 and a lid, not shown, placed thereon.
  • the side wall of the box 1 has three eyes 2 distributed, which are provided with holes, which coincide with holes in the lid and through which rivets, not shown, which hold the housing together.
  • the housing has barbs 3 facing one another on the rear side, one of which is mounted in a spring-loaded manner and which are a device for attaching the housing to rails.
  • the housing is equipped with a screw terminal 4 on each of an upper and a lower transverse side, to which lines for the supply line and the discharge of current can be connected.
  • the upper screw terminal 4 sits on a carrier piece 4 'which projects into the housing and carries a bimetallic release 5. This is connected via a metallic wire 6 to a switching arm 7, which forms a movable contact piece 8 with a fixed Contact piece 9 cooperates.
  • the stationary contact piece is connected to a coil of an impact anchor trigger 10, which has a spring-loaded plunger. At the other end, the coil is connected to the lower screw terminal 4 via a metallic wire 11.
  • the shift arm 7 is rotatably mounted about an axis 12 and carries a three-armed locking lever 14 rotatably on its arm facing the front 13.
  • the bimetal trigger 5 acts on one arm of the locking lever 14 by means of an adjustable grub screw.
  • the plunger 21 of the impact anchor trigger 10 acts on the second arm.
  • the third arm of the locking lever 14 interacts with an arm of a pawl 15 which is rotatably mounted about an axis 16 at the front end of the switching arm 7.
  • a joint piece 17 is articulated, which is articulated at the other end to an arm of a handle lever 18, which is rotatably mounted and the handle piece of which protrudes through an opening in the side wall on the front side 13.
  • the handle lever 18 is acted upon by a wire spring 19, which strives to bring the handle lever into the position with the handle positioned upward, which corresponds to the open state of the switching contact.
  • a tension spring 20 also acts on the switching arm 7. In an arc chamber, not only the contact pieces 8, 9, but also a package of deion sheets 22 are provided.
  • the striking anchor trigger 10 arranged next to the deion plates 22 has a winding 23 and an anchor bracket 24 which is loaded by a spring 25. If a greatly increased current flows through the auto switch and thus through the winding, the armature core 24 is thrown forward against the pressure of the spring 25 and acts on the locking lever 14 via the plunger 21.
  • the lower screw terminal 4 is displaced towards the front 13 so that in the area of the rear of the impact anchor trigger 10 the side wall has an area 26 which is free on the outside of parts of the circuit breaker.
  • An additional shutdown device 27 is attached to this area 26, to the lower transverse side of the circuit breaker, which has two connections 28 for the current or the voltage of an event that leads to the shutdown of the contact pieces 8, 9.
  • the additional shutdown device 27 has an actuating device 29 which faces the region 26.
  • a coupling rod 30 protrudes from the actuating device 29 and penetrates the wall of the additional shutdown device 27 and the side wall region 26. 2, the coupling rod 30 also projects through a bore in the armature core 24 in order to act with the front end on the plunger 21 with a disk 31, on which the hollow armature core 24 also acts.
  • the plunger is seated in a stationary bush 32 and is made of plastic, and the disk 31 is sunk into a recess in the armature core.

Landscapes

  • Breakers (AREA)
EP84112943A 1983-10-29 1984-10-26 Selbstschalter mit Schlaganker-Auslöser Expired EP0146721B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3339400 1983-10-29
DE19833339400 DE3339400A1 (de) 1983-10-29 1983-10-29 Selbstschalter mit schlaganker-ausloeser

Publications (2)

Publication Number Publication Date
EP0146721A1 EP0146721A1 (de) 1985-07-03
EP0146721B1 true EP0146721B1 (de) 1987-03-18

Family

ID=6213122

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84112943A Expired EP0146721B1 (de) 1983-10-29 1984-10-26 Selbstschalter mit Schlaganker-Auslöser

Country Status (5)

Country Link
US (1) US4608546A (enrdf_load_stackoverflow)
EP (1) EP0146721B1 (enrdf_load_stackoverflow)
AU (1) AU572573B2 (enrdf_load_stackoverflow)
CA (1) CA1226016A (enrdf_load_stackoverflow)
DE (1) DE3339400A1 (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573572B1 (fr) * 1984-11-16 1987-01-09 Telemecanique Electrique Appareil disjoncteur a ouverture et fermeture telecommandees de ses circuits
US4743878A (en) * 1985-05-01 1988-05-10 Mitsubishi Denki Kabushiki Kaisha Circuit interrupter
CH670170A5 (enrdf_load_stackoverflow) * 1986-04-07 1989-05-12 Sprecher & Schuh Ag
US4864262A (en) * 1988-08-12 1989-09-05 Westinghouse Electric Corp. Undervoltage trip device
US4968863A (en) * 1989-06-29 1990-11-06 Square D Company Unitary breaker assembly for a circuit breaker
IE71036B1 (en) * 1990-02-23 1997-01-15 Square D Co A circuit breaker
EP0478700B1 (en) * 1990-04-12 1996-06-05 Square D Company A method of manufacturing a circuit breaker
US5097589A (en) * 1990-04-12 1992-03-24 Square D Company Method of manufacturing a circuit breaker
GB9414869D0 (en) * 1994-07-23 1994-09-14 Delta Circuits Protection Module for use with a circuit breaker
FR2779568B1 (fr) * 1998-06-04 2000-07-13 Schneider Electric Ind Sa Dispositif de coupure electrique comprenant un dispositif de declenchement differentiel et disjoncteur comprenant un tel dispositif
DE102004034859A1 (de) * 2004-07-19 2006-02-16 Siemens Ag Schutzschaltgerät in Schmalbauweise
US20070052169A1 (en) * 2005-08-23 2007-03-08 Heather Shanks Educational board game and method of playing
FR2903223B1 (fr) * 2006-06-29 2008-08-15 Schneider Electric Ind Sas Appareil de protection electrique commande par un dispositif de commande auxiliaire.
EP2525382B1 (en) * 2011-05-16 2015-12-02 C&S Technology Ltd. Combined function circuit protection and control device actuator
AT512262B1 (de) * 2011-12-09 2016-08-15 Eaton Ind Austria Gmbh Verfahren zum justieren einer auslöseeinheit für einen schutzschalter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256407A (en) * 1963-10-28 1966-06-14 Gen Electric Circuit breaker and accessory device combination
DE1904731C3 (de) * 1969-01-31 1975-11-20 Joseph Dipl.-Ing. 8500 Nuernberg Westermeyer Elektrischer Kleinselbstschalter
CH614069A5 (enrdf_load_stackoverflow) * 1977-03-31 1979-10-31 Weber Ag Fab Elektro
US4223288A (en) * 1979-01-15 1980-09-16 Gould Inc. Manually operable and shunt controllable circuit breaker
ES247088U (es) * 1979-11-13 1980-03-16 Enrique Garrell Alsina Sa Interruptor magnetotermico
DE3339398A1 (de) * 1983-10-29 1985-05-09 Sursum Elektrizitätsgesellschaft Leyhausen GmbH & Co, 8500 Nürnberg Selbstschalter mit offener und geschlossener kontaktstellung
DE3339399A1 (de) * 1983-10-29 1985-05-09 Sursum Elektrizitätsgesellschaft Leyhausen GmbH & Co, 8500 Nürnberg Selbstschalter mit lichtbogenblasfeld
US4553115A (en) * 1984-01-09 1985-11-12 Westinghouse Electric Corp. Molded case circuit breaker with single solenoid operator for rectilinear handle movement

Also Published As

Publication number Publication date
DE3339400A1 (de) 1985-05-09
DE3339400C2 (enrdf_load_stackoverflow) 1991-05-16
EP0146721A1 (de) 1985-07-03
US4608546A (en) 1986-08-26
AU3480484A (en) 1985-05-02
CA1226016A (en) 1987-08-25
AU572573B2 (en) 1988-05-12

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