EP1470565A1 - Appareil de distribution electrique - Google Patents

Appareil de distribution electrique

Info

Publication number
EP1470565A1
EP1470565A1 EP03702406A EP03702406A EP1470565A1 EP 1470565 A1 EP1470565 A1 EP 1470565A1 EP 03702406 A EP03702406 A EP 03702406A EP 03702406 A EP03702406 A EP 03702406A EP 1470565 A1 EP1470565 A1 EP 1470565A1
Authority
EP
European Patent Office
Prior art keywords
contact point
resistance body
switching device
current
current path
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
EP03702406A
Other languages
German (de)
English (en)
Other versions
EP1470565B1 (fr
Inventor
Peter Schick
Joachim Majewski
Erwin Muders
Klaus Zimmer
Joachim Becker
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.)
ABB Patent GmbH
Original Assignee
ABB Patent GmbH
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 ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP1470565A1 publication Critical patent/EP1470565A1/fr
Application granted granted Critical
Publication of EP1470565B1 publication Critical patent/EP1470565B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01H71/1081—Modifications for selective or back-up protection; Correlation between feeder and branch circuit breaker
    • 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
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms

Definitions

  • the invention relates to an electrical switching device, in particular a main circuit breaker according to the preamble of claim 1.
  • Such a switch has become known from DE 28 54 711. It has a first contact point, to which a parallel current path is connected, in which a current limiting resistor is used.
  • the resistor there is made as a resistance wire, for example from CrAI255, Cu or from other alloys, the wire being wound into a coil which, due to its design and the required resistance value, takes up a relatively large amount of space.
  • a spherical resistor generates a large magnetic field, so that the coil has to be wound in a complex antiparallel manner.
  • the coil When using bare wires, the coil must be wound on a high-temperature-resistant carrier body in order to prevent the turns from attracting when current is applied and thus causing a turn short. If the resistance wire is insulated, then come as insulating elements expensive and difficult to handle materials such. B. Glass silk for use.
  • the object of the invention is to provide a switch of the type mentioned, in which the disadvantages of the known arrangement are avoided.
  • a resistance body which consists of doped ceramic and whose temperature coefficient is equal or negative, is located in the parallel current path parallel to the first contact point. This avoids the use of a resistance wire in the form of a coil with all the disadvantages and the resistance body also takes up less space within the switching device.
  • the resistance material for forming the resistance body is commercially available. It consists of a mixture of clay, aluminum and carbon which, after being pressed together, is subjected to a sintering process.
  • the circuit breaker is provided with a housing composed of two shell halves, the shell halves have strips which run perpendicular to the inner surface of the broad side and which, after the shell halves have been assembled, delimit a space in which the resistance body is accommodated and held.
  • a spring contact is preferably provided for contacting.
  • Fig. 5 shows the electrical circuit diagram of the switching device.
  • a circuit breaker has a housing 10 which can either be formed from a shell-shaped lower housing part and a cover or from two approximately identical shell halves.
  • this housing 10 there is one first contact point 11 with a fixed contact piece 12 and a movable contact piece 13; the movable contact piece 13, which is arranged on a pivotable contact lever 14, is pivoted by an electromagnet when a short-circuit current occurs, so that the contact point 11 is opened.
  • This contact point 11 is assigned a parallel current path 15, in which a resistance body 16 is located; when the contact point 11 is opened, an arc arises there, which migrates into an arc quenching plate packet 17;
  • the current is commutated in the secondary current path 15 and limited by the electrical resistance of the resistance body 16.
  • FIG. 5 An electrical equivalent circuit diagram of this switching device is shown in FIG. 5.
  • the first contact point 11 is located in a main current path 18, as is a second contact point 19.
  • the parallel current path 15, in which the resistance body 16 is arranged is connected in parallel with the first contact point 11.
  • Electrically in series with the resistance body 16 is a selective thermobimetal 20, not shown in FIG. 1, which acts on a switching lock 21, which is shown in FIG. 1 and on which a switching toggle 22 is arranged or articulated.
  • thermobimetal 36 In the main current path 18 there is another thermobimetal 36, which is also not shown in FIG. 1; this bimetal also acts on the switching mechanism 21, the switching mechanism 21 being connected to the contact point 19 via the line of action 23.
  • the housing 10 is formed here from a shell-shaped housing lower part 10 a and a shell-shaped upper part 10 b, on each of which strips 26, 27; 28, 29 are formed, which can also be seen in FIG. 1.
  • a space 30 is formed by the strips 26 to 29, in which the resistance body 16 is accommodated.
  • the resistance body 16 is contacted by means of ribbon conductors 31 and 32 which form the parallel current path and are shown in more detail in FIGS. 3 and 4. 3, the conductor 31 is designed as a straight component, whereas the conductor 32 in the region of the contact surface 16 a of the resistance body 16 has a section 33 convex to the contact surface 16 a.
  • At least one of the two conductor pieces 31, 32 is resilient. In the embodiment according to FIG. 3, this is the conductor 32, whereas in the embodiment according to FIG. 4 the conductor 31 a is also designed to be resilient.
  • the conductor 32 can be shaped in such a way that it holds the resistance body 16 in place with an offset 34 and a bend or angled portion 35.
  • the resistance body can consist of a ceramic doped with carbon; there is also the possibility of using a silicon carbite doped with carbon.
  • the resistance body 16 can also be doped with other conductive materials.
  • the resistance body can have any shape, e.g. B. cylinder, hollow cylinder, cube or prism shape.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Thermally Actuated Switches (AREA)
  • Saccharide Compounds (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Glass Compositions (AREA)
  • Relay Circuits (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
EP03702406A 2002-01-30 2003-01-09 Appareil de distribution electrique Expired - Lifetime EP1470565B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10203443 2002-01-30
DE10203443A DE10203443A1 (de) 2002-01-30 2002-01-30 Elektrisches Schaltgerät
PCT/EP2003/000121 WO2003065398A1 (fr) 2002-01-30 2003-01-09 Appareil de distribution electrique

Publications (2)

Publication Number Publication Date
EP1470565A1 true EP1470565A1 (fr) 2004-10-27
EP1470565B1 EP1470565B1 (fr) 2006-04-12

Family

ID=7713329

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03702406A Expired - Lifetime EP1470565B1 (fr) 2002-01-30 2003-01-09 Appareil de distribution electrique

Country Status (6)

Country Link
EP (1) EP1470565B1 (fr)
CN (1) CN1327465C (fr)
AT (1) ATE323324T1 (fr)
DE (3) DE10261994A1 (fr)
PL (1) PL200064B1 (fr)
WO (1) WO2003065398A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10354505B4 (de) * 2003-11-21 2006-01-12 Eti Elektroelement D.D. Elektrischer Selbstschalter
DE102004019175A1 (de) * 2004-04-16 2005-11-03 Abb Patent Gmbh Installationsschaltgerät
DE102004019178A1 (de) * 2004-04-16 2005-11-03 Abb Patent Gmbh Installationsschaltgerät
DE102006037234A1 (de) * 2006-08-09 2008-02-14 Siemens Ag Schalt-Einheit
DE102007004092A1 (de) 2007-01-26 2008-08-07 Siemens Ag Leitungsschutzschalter
EP1981055A1 (fr) 2007-04-13 2008-10-15 Abb Ag Commutateur d'installation et système de compteur de courant
DE102008017932A1 (de) 2007-04-13 2008-10-16 Abb Ag Installationsschalter und Stromzählersystem
EP2223321B1 (fr) * 2007-12-24 2015-07-01 Eti Elektroelement D.D. Commutateur automatique électrique
DE102008038244B4 (de) 2008-08-18 2016-09-29 Hager Electro S.A.S. Selektivauslöser für Hauptsicherungsautomat
DE102009036227B4 (de) 2009-08-05 2015-02-05 Abb Ag Elektrischer Widerstand, Verfahren zu seiner Herstellung und Installationsschaltgerät mit elektrischem Widerstand
DE102011008078A1 (de) 2011-01-08 2012-07-12 Peter Flohr Fernschaltbarer selektiver Hauptleitungsschutzschalter
DE102012023914A1 (de) 2012-12-06 2014-06-12 Peter Flohr Zentral sperr-und freischaltbarer Hauptsicherungsautomat
DE102014001997B4 (de) 2014-02-17 2020-01-09 Abb Ag Hilfsschalter mit Test-Taste

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE467116A (fr) * 1945-08-07
DE947813C (de) * 1952-11-13 1956-08-23 Licentia Gmbh Schmelzsicherung zur Ausloesung von Schaltern
DE2854711C2 (de) * 1978-12-18 1984-04-26 Brown, Boveri & Cie Ag, 6800 Mannheim Selektivschutzeinrichtung
DE2854616C2 (de) * 1978-12-18 1984-03-22 Brown, Boveri & Cie Ag, 6800 Mannheim Selektivschutzeinrichtung
DE3021867A1 (de) * 1980-06-11 1981-12-17 Brown, Boveri & Cie Ag, 6800 Mannheim Selbstschalter
DE4221309A1 (de) * 1992-06-29 1994-01-05 Abb Research Ltd Strombegrenzendes Element
DE19500125A1 (de) * 1995-01-04 1996-07-11 Licentia Gmbh Strombegrenzer
DE19651298C2 (de) * 1996-12-10 1999-04-01 Fein C & E Reihenschlußmotor mit Kommutator und Bremswicklung
DE29918351U1 (de) * 1999-10-18 2000-02-10 Chern, Der-Luh, Chung-Ho, Taipeh Vorrichtung zum Schutz gegen Blitzschlag für ein elektrisches Gerät

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03065398A1 *

Also Published As

Publication number Publication date
CN1327465C (zh) 2007-07-18
WO2003065398A1 (fr) 2003-08-07
DE10261994A1 (de) 2004-02-05
ATE323324T1 (de) 2006-04-15
PL369824A1 (en) 2005-05-02
PL200064B1 (pl) 2008-12-31
DE50302958D1 (de) 2006-05-24
EP1470565B1 (fr) 2006-04-12
DE10203443A1 (de) 2003-07-31
CN1537316A (zh) 2004-10-13

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