EP0144799A2 - Disjoncteur - Google Patents

Disjoncteur Download PDF

Info

Publication number
EP0144799A2
EP0144799A2 EP84113549A EP84113549A EP0144799A2 EP 0144799 A2 EP0144799 A2 EP 0144799A2 EP 84113549 A EP84113549 A EP 84113549A EP 84113549 A EP84113549 A EP 84113549A EP 0144799 A2 EP0144799 A2 EP 0144799A2
Authority
EP
European Patent Office
Prior art keywords
lever
leg
release
switch
electrical switch
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
EP84113549A
Other languages
German (de)
English (en)
Other versions
EP0144799A3 (en
EP0144799B1 (fr
Inventor
Rolf Ing. Grad. Goehle
Erhard Ing. Grad. Runtsch
Volker Schmitt
Walter Ing. Grad. Velten
Klaus Dipl.-Ing. Greefe
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.)
BBC Brown Boveri AG Germany
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri AG Germany
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 Brown Boveri und Cie AG Germany, BBC Brown Boveri AG Germany filed Critical Brown Boveri und Cie AG Germany
Priority to AT84113549T priority Critical patent/ATE27205T1/de
Publication of EP0144799A2 publication Critical patent/EP0144799A2/fr
Publication of EP0144799A3 publication Critical patent/EP0144799A3/de
Application granted granted Critical
Publication of EP0144799B1 publication Critical patent/EP0144799B1/fr
Expired 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

Definitions

  • the invention relates to an electric switch according to the preamble of claim 1.
  • a circuit breaker of the type mentioned has become known, for example, from DE-OS 32 26 820. Its intermediate lever runs approximately perpendicular to the direction of movement of the magnet armature, which is why the latch lever and thus the elongated hole also runs transversely to the direction of movement of the magnet armature.
  • the low construction then means that parts of the key switch and the thermal release come to rest in the area of the contact point.
  • the object of the invention is to provide a circuit breaker of the type mentioned, in which the overall height has not increased despite increased performance and in which a spatial separation of important switch parts and the thermal release from the contact point is made possible.
  • the overall height of the switch is essentially determined by the arc quenching plate packet and by the size of the magnetic release.
  • the height of the switch lock is kept low because, as can be seen from the features of claim 2, practically all the parts or components forming the switch lock are aligned approximately parallel to the front front wall; the connecting slide between the contact lever and the ratchet lever or shifting knob moves essentially parallel to the front wall in its own longitudinal extent due to the arrangement of the elongated hole according to the invention; this has the consequence that the pawl lever also has a substantially longitudinal extension parallel to the front wall, so that the extension of the pawl lever transverse to this direction can be kept very small.
  • the connecting line between the latching point and the bearing point of the latch lever, as well as the elongated hole in the switch of DE-OS 32 26 820 runs clearly obliquely, approximately at an angle of 45 °, to the front front wall.
  • the guidance of the transmission lever for transmitting the movement of the impact anchor and the thermobimetal to the release lever has a significant influence on the overall height.
  • the movement of all parts forming the switching lock and the associated necessary components runs essentially parallel to the front front wall and also parallel to the longitudinal axis of the magnet yoke or direction of movement of the magnet armature. Those parts which run transversely to it are the contact lever lying in front of the magnet yoke perpendicular to its central axis and the thermobitall also running approximately transversely to the central axis of the magnet release on the opposite side of the magnet release.
  • the magnetic yoke is surrounded on one side by the contact lever, on top of it by the key switch and on the other side by the bimetal; all of these parts run in a U-shape around the magnetic yoke and the arc quenching plate package.
  • the arc quenching unit or the arc quenching package takes up approximately half of the interior of the housing in a direction perpendicular to the front wall runs, whereas the switch lock requires a height of less than 25% of this clear height of the housing.
  • the switch lock can be prefabricated in its entirety, so that it, forming a unit, can be easily inserted into the housing. This is achieved by the configuration according to claim 6.
  • Terminals 11 and 12 are located on the narrow sides of the base in a housing 10, which is of narrow construction and has a base-like shape.
  • the terminal lug 13 associated with terminal 12 extends into the interior of housing 10 into an angle 14, on which a strand 15 is attached.
  • the other end of the strand 15 is attached to a contact lever 16, which is designed as a double arm lever.
  • a bend 16a is formed on the double-arm contact lever 16, in which an elongated hole 18 with its longitudinal extension is approximately transverse to the longitudinal extension of the contact lever 16, through which an axis 17 attached to two plates 19 extends and thus guides the contact lever 16.
  • FIG. 1 only the rear board is partially visible and the front board is only visible to the left of a board holder (see below).
  • the boards 19 are, as indicated by dashed lines in FIG. 1, L-shaped in the contour; the longer leg 20 of the board 19 carries, which is not shown, the axis 21 of a movable shift knob 22, whereas the short leg 23 carries the axis 17.
  • the one lower board is bent in an L-shaped manner, with pin projections 24 being provided on the edge of the leg that projects perpendicular to the plane of the drawing, which engage in holes 25 of the other front board and are fixed there by means of deformations 26.
  • the front board is fastened to the rear board, on which the pin projections 24 are formed. Both boards surround the entire switch lock like a fork, the structure of which is explained in more detail below.
  • the contact lever 16 thus has a first arm 27 to which the movable contact piece 28 and the strand 15 are attached; On the other arm 29, an intermediate lever 31 is articulated via a hinge axis 30, the free end of which engages or guides a web 32 of a C-shaped wire bracket 33, which web 32 is additionally guided in an elongated hole 34 in a ratchet lever 35.
  • the pawl lever 35 is rotatably supported at 36.
  • the other web of the wire bracket 33 passes through a bore 22a in a formation 22b of the shift lever 22.
  • a nose 37 is attached, which engages in a recess (not shown) on a release lever 38 and forms the latching point there with the latter.
  • the trigger lever is also rotatably mounted on the axis 21.
  • the movable contact lever 16 is arranged perpendicularly thereto, as is the trigger lever 37.
  • a slide 39 runs approximately parallel to the elongated hole 34 and is guided in a groove 40 in the housing 10 so as to be displaceable in its longitudinal direction.
  • thermal release 41 in the form of a thermal bimetal and a transmission lever 42, whose function is to be explained in more detail below, runs approximately perpendicular to the slide.
  • a magnetic release 43 is arranged below the switching lock, the axis of the magnetic release 43 likewise running parallel to the front wall 10A and to the connecting line of the axes 30, 36, 32 and the elongated hole 34 and the slide 39.
  • the known magnetic trigger has a movable magnet armature 43 and a magnetic core 45, the magnetic core 45 being penetrated by a plunger 46 which ends in a plunger head 47 which, when tightened in FIG Direction of arrow F strikes the arm of the contact lever 27 and the contact lever 27 opens.
  • the magnet armature 44 continues in a pin 48 with a plate-like extension 49, which cooperates with one leg of the lever 42; this lever 42 is articulated at 50 on the yoke 51 of the magnetic release.
  • the yoke 51 is U-shaped, with one leg of the yoke 51 running approximately parallel to the contact lever 16.
  • an extension 53 is formed, which is again U-shaped, on the lower web 54 of which a tab 55 is angled, to which the thermal release 41 is attached.
  • An adjusting screw 56 is arranged between the two legs of the U-shaped extension 53, the end of which is supported on the inner surface of the left leg, whereas the adjusting screw 56 is screwed into the other leg 57.
  • Both legs 57, 57A are at a minimum distance when the adjusting screw 56 is unscrewed.
  • the legs 57, 57A are pressed apart by the adjusting screw 56, and when the adjusting screw 56 is turned, the distance between the two legs 57 and 57A is expanded or reduced, so that the thermal release can be adjusted in this way.
  • a strand 58 is attached, the other end of which is attached to a connecting tab 59.
  • arc-quenching plate packet 60 which is delimited by a first arc-guiding rail 61 and a second arc-guiding rail 62.
  • the arc guide rail 61 continues to the left in a U-shaped horn 63, the free leg of which carries the fixed contact piece 64.
  • the arc guide rail 62 connects to the terminal lug 13. It is arcuate, which improves the arc running.
  • the head 47 of the plunger 46 is moved in the direction of the arrow F via the magnet armature, as a result of which the movable contact lever 16 is moved into the open position.
  • the slide 49 is moved to the right by means of the extension 49 of the magnet armature 44 and the transmission lever 50, as a result of which the release on the nose 37 is released and the contact lever is rotated clockwise under the pressure of the spring 65.
  • the bracket 33 is moved to the right via the connecting lever 31, as a result of which the switching toggle 22 rotates counterclockwise into the switched-off position, and the movable contact lever 16 is held in the open position.
  • the key switch has thus opened the contact points permanently.
  • the thermal release 41 responds, for example in the event of an overcurrent, then it bends counterclockwise F in a clockwise direction around the fastening point 55, as a result of which the slide 39 is moved to the right and the latching point is released with the nose 37. This also opens the switch permanently.
  • the switching lock is connected to the switching toggle 22 and the contact lever 16 and, via the strand 15, also to the left terminal 12 to form a unit which can be pre-assembled and inserted uniformly into the switch housing.
  • Figure 2 shows that the arrangement of magnetic release, thermal release and terminal 11, also forms a unit that can be built into the housing of an electrical circuit breaker.

Landscapes

  • Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Burglar Alarm Systems (AREA)
  • Control Of Eletrric Generators (AREA)
  • Saccharide Compounds (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Glass Compositions (AREA)
EP84113549A 1983-11-24 1984-11-09 Disjoncteur Expired EP0144799B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84113549T ATE27205T1 (de) 1983-11-24 1984-11-09 Leitungsschutzschalter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3342469 1983-11-24
DE19833342469 DE3342469A1 (de) 1983-11-24 1983-11-24 Elektrischer schalter

Publications (3)

Publication Number Publication Date
EP0144799A2 true EP0144799A2 (fr) 1985-06-19
EP0144799A3 EP0144799A3 (en) 1985-07-10
EP0144799B1 EP0144799B1 (fr) 1987-05-13

Family

ID=6215132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84113549A Expired EP0144799B1 (fr) 1983-11-24 1984-11-09 Disjoncteur

Country Status (4)

Country Link
EP (1) EP0144799B1 (fr)
JP (1) JPS60131728A (fr)
AT (1) ATE27205T1 (fr)
DE (2) DE3342469A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3733595A1 (de) * 1987-10-05 1989-04-20 Asea Brown Boveri Elektrisches schaltgeraet
EP0352679A2 (fr) * 1988-07-27 1990-01-31 Asea Brown Boveri Aktiengesellschaft Appareillage interrupteur électrique
EP0621619A1 (fr) * 1993-04-22 1994-10-26 Heinrich Kopp Ag Disjoncteur de ligne
DE4406670A1 (de) * 1994-03-01 1995-09-14 Kopp Heinrich Ag Leitungsschutzschalter
EP0880159A2 (fr) * 1997-05-23 1998-11-25 CMC Carl Maier + Cie AG Interrupteur limiteur de courant
DE102004055564A1 (de) * 2004-11-18 2006-06-01 Abb Patent Gmbh Elektrisches Installationsschaltgerät
EP1995754A1 (fr) 2007-05-23 2008-11-26 Abb Ag Commutateur d'installation électrique
DE102008006863A1 (de) 2007-05-23 2009-01-22 Abb Ag Elektrisches Installationsschaltgerät
CN111710570A (zh) * 2020-07-22 2020-09-25 南京贝思特信息科技有限公司 一种断路器用自动隔断式隔弧罩

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3431663A1 (de) * 1984-08-29 1986-03-13 Brown, Boveri & Cie Ag, 6800 Mannheim Kupplung fuer l-schutzschalterpole
DE3637275C1 (en) * 1986-11-03 1988-05-05 Flohr Peter Overcurrent trip device for protection switching apparatuses
DE3915127C1 (fr) * 1989-05-09 1990-09-06 Flohr, Peter, Dipl.-Ing., 7790 Messkirch, De
DE4040263A1 (de) * 1990-12-17 1992-06-25 Abb Patent Gmbh Installationsgeraet
DE4040301A1 (de) * 1990-12-17 1992-07-02 Geyer Gmbh & Co Christian Schaltmechanismus
DE19834474A1 (de) * 1998-07-30 2000-02-10 Siemens Ag Einrichtung zum Kurzschlußschutz
DE19951249C2 (de) * 1999-10-25 2001-11-08 Abl Sursum Bayerische Elektroz Schutzschalter mit RESET-Stellung
DE102005029059A1 (de) * 2005-06-23 2006-12-28 Abb Patent Gmbh Schaltgerät, Leitungsschutzschalter und dergleichen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH483114A (de) * 1968-07-06 1969-12-15 Stotz Kontakt Gmbh Leitungsschutzschalter
FR2113887A1 (fr) * 1970-11-12 1972-06-30 Siemens Ag
DE7500060U (de) * 1975-01-03 1975-05-22 Boshof R Leitungsschutzschalter in Schmalbauweise und niedriger Bauart
FR2415360A1 (fr) * 1978-01-24 1979-08-17 Felten & Guilleaume Carlswerk Montage de connexion, pour contacteur de protection de conducteurs dans un mode de construction plate
DE2943695A1 (de) * 1979-10-30 1981-05-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltmechanismus fuer leitungsschutzschalter
EP0028958A1 (fr) * 1979-10-26 1981-05-20 Legrand Disjoncteur, son mécanisme de déclenchement
DE3226820A1 (de) * 1981-08-13 1983-07-14 Kombinat Veb Keramische Werke Hermsdorf, Ddr 6530 Hermsdorf Leitungsschutzschalter in schmalbauweise

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH508293A (de) * 1969-11-15 1971-05-31 Bbc Brown Boveri & Cie Schalttafelgerüst
DE2336222A1 (de) * 1973-07-17 1975-01-30 Baco Const Elect Schaltmechanismus fuer selbstschalter
DE7327872U (de) * 1973-07-30 1973-11-15 Baco Constructions Electriques Anc Baumgarten Leitungsschutzschalter
DE2616825C3 (de) * 1976-04-15 1981-07-02 Brown, Boveri & Cie Ag, 6800 Mannheim Leitungsschutzschalter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH483114A (de) * 1968-07-06 1969-12-15 Stotz Kontakt Gmbh Leitungsschutzschalter
FR2113887A1 (fr) * 1970-11-12 1972-06-30 Siemens Ag
DE7500060U (de) * 1975-01-03 1975-05-22 Boshof R Leitungsschutzschalter in Schmalbauweise und niedriger Bauart
FR2415360A1 (fr) * 1978-01-24 1979-08-17 Felten & Guilleaume Carlswerk Montage de connexion, pour contacteur de protection de conducteurs dans un mode de construction plate
EP0028958A1 (fr) * 1979-10-26 1981-05-20 Legrand Disjoncteur, son mécanisme de déclenchement
DE2943695A1 (de) * 1979-10-30 1981-05-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltmechanismus fuer leitungsschutzschalter
DE3226820A1 (de) * 1981-08-13 1983-07-14 Kombinat Veb Keramische Werke Hermsdorf, Ddr 6530 Hermsdorf Leitungsschutzschalter in schmalbauweise

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3733595A1 (de) * 1987-10-05 1989-04-20 Asea Brown Boveri Elektrisches schaltgeraet
EP0352679A2 (fr) * 1988-07-27 1990-01-31 Asea Brown Boveri Aktiengesellschaft Appareillage interrupteur électrique
EP0352679A3 (en) * 1988-07-27 1990-08-22 Asea Brown Boveri Aktiengesellschaft Electrical switchgear
EP0621619A1 (fr) * 1993-04-22 1994-10-26 Heinrich Kopp Ag Disjoncteur de ligne
DE4406670A1 (de) * 1994-03-01 1995-09-14 Kopp Heinrich Ag Leitungsschutzschalter
DE4406670C3 (de) * 1994-03-01 1999-09-09 Kopp Heinrich Ag Leitungsschutzschalter
EP0880159A3 (fr) * 1997-05-23 1999-05-12 CMC Carl Maier + Cie AG Interrupteur limiteur de courant
EP0880159A2 (fr) * 1997-05-23 1998-11-25 CMC Carl Maier + Cie AG Interrupteur limiteur de courant
DE102004055564A1 (de) * 2004-11-18 2006-06-01 Abb Patent Gmbh Elektrisches Installationsschaltgerät
US7579933B2 (en) 2004-11-18 2009-08-25 Abb Patent Gmbh Electrical installation switching device
DE102004055564B4 (de) 2004-11-18 2022-05-05 Abb Ag Elektrisches Installationsschaltgerät
EP1995754A1 (fr) 2007-05-23 2008-11-26 Abb Ag Commutateur d'installation électrique
DE102008006863A1 (de) 2007-05-23 2009-01-22 Abb Ag Elektrisches Installationsschaltgerät
CN111710570A (zh) * 2020-07-22 2020-09-25 南京贝思特信息科技有限公司 一种断路器用自动隔断式隔弧罩

Also Published As

Publication number Publication date
EP0144799A3 (en) 1985-07-10
JPS60131728A (ja) 1985-07-13
DE3463708D1 (en) 1987-06-19
EP0144799B1 (fr) 1987-05-13
ATE27205T1 (de) 1987-05-15
DE3342469A1 (de) 1985-06-05

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