EP1366501B1 - Interrupteur de puissance a basse tension, a systeme d'extinction d'arc electrique - Google Patents

Interrupteur de puissance a basse tension, a systeme d'extinction d'arc electrique Download PDF

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Publication number
EP1366501B1
EP1366501B1 EP02716615A EP02716615A EP1366501B1 EP 1366501 B1 EP1366501 B1 EP 1366501B1 EP 02716615 A EP02716615 A EP 02716615A EP 02716615 A EP02716615 A EP 02716615A EP 1366501 B1 EP1366501 B1 EP 1366501B1
Authority
EP
European Patent Office
Prior art keywords
arc
low
voltage circuit
circuit breaker
quenching
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 - Lifetime
Application number
EP02716615A
Other languages
German (de)
English (en)
Other versions
EP1366501A1 (fr
Inventor
Michael Bach
Detlev Schmidt
Michael Sebekow
Guenter Seidler
Ingo Thiede
Sezai Tuerkmen
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.)
Siemens AG
Original Assignee
Siemens 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.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1366501A1 publication Critical patent/EP1366501A1/fr
Application granted granted Critical
Publication of EP1366501B1 publication Critical patent/EP1366501B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36—Metal parts
    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36—Metal parts
    • H01H9/362—Mounting of plates in arc chamber

Definitions

  • the invention relates to a low-voltage circuit breaker with an arc extinguishing system, in particular for low-voltage circuit breakers largest rated currents, at which in a extending over the entire pole width Chamber housing parallel arc extinguishing chamber inserts are provided.
  • Low-voltage switchgear in air such as low-voltage circuit breakers, need to operate one Arc quenching device, in the form of extinguishing chambers for cooling and erasure of electric arcs during contact separation occur to occurring switching arcs without impairment of the circuit breaker itself and adjacent Extinguishing system components or other assemblies, because otherwise there is a risk that the hot and Thus, ionized arc gases cause electrical flashovers or cause other damage, with each arc quenching chamber in general from a variety of between two side walls arranged quenching plates, the Cooling and extinguishing of the arc contribute.
  • the second design is the use of extinguishing chamber inserts which only the function of the actual arc quenching in a unit is reachable. These structures are not capable of occurring in the context of the arc Endure pressure. That's why these stakes are in a, provided in or on the switch housing slot.
  • This design has hitherto been predominantly used with small molded case circuit breakers common, but is increasingly even with larger circuit breakers application, where the housing These rooms, ie the control room and the extinguishing room, will be clad.
  • connection the main body of the circuit breaker and the connection of their Items With both types of connection arises with respect to the connection the main body of the circuit breaker and the connection of their Items with each other the task technically required Gap and joints against the passage of ionized To seal arc gases and electrical flashovers by preventing any escaping gases.
  • the arc extinguishing chambers can have very different dimensions have, by the dimensions of the entire Contact system are dependent, because the arc extinguishing chamber yes, it should pick up the arc that comes from the contact system expires.
  • the arc quenching chamber does not have to have the whole width, but that it is enough to merge the arc over a horn and then lead into a relatively narrow chamber, which is sized is that it has the breaking capacity that is off gives the short-circuit breaking capacity of the switch.
  • a Another arc extinguishing arrangement shows the DE 17 46 087 U1.
  • a holding frame by two flat elements and two U-shaped elements is formed, are a plurality of arranged insulating profile bodies, wherein in the edge areas each U-shaped profile body and in between double-T-shaped Profile bodies are arranged so that between two adjacent profile bodies cavities arise. On the insides These cavities are grooves for receiving quenching plates intended.
  • This arrangement can be used as an arc extinguishing chamber be understood, but there are no arc chamber modules used and there is no chamber body, because the profile elements held together only with a support frame become.
  • the object of the invention is therefore a low-voltage circuit breaker to create its arc quenching device in a simple way to a given Can adjust switching capacity and no strength-reducing Elements, such as grooves in the housing walls has.
  • This task is performed on a low voltage circuit breaker with the features of the preamble of claim 1 (WO 98/47161) achieved in that for holding the arc quenching chamber inserts one or more the total arc extinguishing space of the chamber housing dividing into compartments Partitions are provided, these partitions as Part of the chamber housing are formed.
  • the said partition walls are expedient parallel to each other and arranged at the same distance from each other. Then be mutually equal sections in the overall arc extinguishing space educated.
  • the partition walls can also be used in be arranged at different distances from each other, so, that departments of different sizes arise.
  • splitter plate cartridges consist of a plurality of Extinguishing plates, which are arranged between two parallel Isoliertouchn are arranged and form independent individually usable or removable components.
  • Quenching chamber cover and blanks are independent of each other, and can be used and removed individually.
  • the distribution of the contact lever with or without Precontact and arc horns and the distribution of the foot points for the partial arcs by the arrangement of the sheet metal blanks are on the fixed connection rail of the low voltage circuit breaker Arc guiding grains provided. It is advantageous for each partial erasure a Arc guide arranged on the fixed connection rail.
  • the single figure shows a three-pole low-voltage circuit breaker in a sectional view.
  • Low-voltage circuit breaker 1 are the switch feet 2, 3, the side walls 4, 5 and the three switching poles 6, 7, 8 to detect.
  • the switching poles are 6, 7, 8 as possible different embodiments shown.
  • the total arc extinguishing space 14 divided by two partitions 15, 16, such that at the lateral edge areas of the total arc extinguishing space 14 two narrower divisions 17, 19 are formed and in the middle area a wider section 18.
  • the partitions 15, 16 are part of the case and show Support members 20 and brackets 21 for the insulating walls 22, 23, 24, 25, 26, 27 of the sheet metal blanks 28, 29, 30.
  • the upper end of the total arc extinguishing chamber 14 forms a quenching chamber cover 44, at the same time the locking of the Löschblechkartuschen 28, 29, 30 takes over.
  • the total arc extinguishing space 31st divided by an intermediate wall 32 into two compartments 33, 34, which are both the same size.
  • the partition 32 is also part of the housing here and has Support members 35 and brackets 36 for the insulating walls 37, 38, 39, 40 of the blotter cartridges 41, 42.
  • the upper one Completion of the total arc extinguishing space 31 forms an extinguishing chamber cover 45, at the same time the locking of the blotter cartridges 41, 42 takes over.
  • the main advantage of the solution according to the invention lies in the holder of the arc splitter cartridges in the quenching chamber.
  • the mechanical difference is that instead of the grooves in the chamber housing, in which the splitter plate packages inserted be, intermediate walls for holding the splitter stack are provided in the quenching chamber.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)

Claims (9)

  1. Disjoncteur (1) basse tension comprenant un système d'extinction d'arc électrique pour des disjoncteurs basse tension de grande intensité du courant nominal comprenant des inserts (28, 29, 30 ; 41, 42) parallèles de chambre d'extinction d'arc électrique s'étendant dans un boítier formant chambre s'étendant sur toute la largeur polaire et entourant l'espace total d'extinction d'arc électrique, les inserts de chambre d'extinction d'arc électrique ayant, respectivement, deux éléments latéraux opposés et une pluralité de tôles d'extinction maintenues sur les éléments latéraux, dans lequel, pour maintenir les inserts de chambre d'extinction d'arc électrique, il est prévu une ou plusieurs cloisons (15, 16 ; 32) subdivisant tout l'espace (14 ; 31) d'arc électrique du boítier formant chambre en divisions (17, 18, 19 ; 33, 34), caractérisé en ce que les cloisons (15, 16 ; 32) font partie du boítier formant la chambre.
  2. Disjoncteur basse tension suivant la revendication 1, caractérisé en ce que les cloisons (15, 16 ; 32) sont disposées parallèlement entre elles.
  3. Disjoncteur basse tension suivant l'une des revendications précédentes, caractérisé en ce que les divisions ont des dimensions différentes.
  4. Disjoncteur basse tension suivant l'une des revendications précédentes, caractérisé en ce que dans chacune de ces divisions (17, 18, 19 ; 33, 34) formées par lesdites cloisons (15, 16 ; 32) est insérée une cartouche (28, 29, 30 ; 41, 42) à tôles d'extinction, qui s'y adapte.
  5. Disjoncteur basse tension suivant la revendication 5, caractérisé en ce que chaque cartouche (28, 29, 30 ; 41, 42) de tôles d'extinction est constituée d'une multiplicité de tôles d'extinction qui sont disposées entre deux parois (22, 23, 24, 25, 26, 27) isolantes parallèles entre elles et en ce qu'elle forme un élément autonome pouvant être inséré individuellement ou retiré individuellement.
  6. Disjoncteur basse tension suivant l'une des revendications précédentes, caractérisé en ce que les cloisons (15, 16 ; 32) ont, pour le soutien et la réception des cartouches (28, 29, 30 ; 41, 42) de tôles d'extinction, des éléments d'appui et des fixations des parois (22, 23, 24, 25, 26, 27) isolantes des cartouches (28, 29, 30 ; 41, 42) de tôles d'extinction.
  7. Disjoncteur basse tension suivant la revendication 4, caractérisé en ce que, pour bloquer les cartouches (28, 29, 30 ; 41, 42) de tôles d'extinction, il est prévu dans tout l'espace (9 ; 14; 31) d'extinction d'arc électrique un couvercle (43, 44, 45) de chambre d'extinction par pôle (6, 7, 8) de commutation.
  8. Disjoncteur basse tension suivant l'une des revendications précédentes, caractérisé en ce qu'il est prévu sur des rails fixes de connexion du disjoncteur basse tension des cornes (11) conductrices d'arc électrique.
  9. Disjoncteur basse tension suivant la revendication 8, caractérisé en ce qu'une corne (11) de conduction d'arc électrique est prévue pour chaque dispositif d'extinction sur le rail fixe de connexion.
EP02716615A 2001-03-06 2002-02-20 Interrupteur de puissance a basse tension, a systeme d'extinction d'arc electrique Expired - Lifetime EP1366501B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20104325U DE20104325U1 (de) 2001-03-06 2001-03-06 Niederspannungs-Leistungsschalter mit einem Lichtbogen-Löschsystem
DE20104325U 2001-03-06
PCT/DE2002/000654 WO2002071428A1 (fr) 2001-03-06 2002-02-20 Interrupteur de puissance a basse tension, a systeme d'extinction d'arc electrique

Publications (2)

Publication Number Publication Date
EP1366501A1 EP1366501A1 (fr) 2003-12-03
EP1366501B1 true EP1366501B1 (fr) 2005-01-19

Family

ID=7954217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02716615A Expired - Lifetime EP1366501B1 (fr) 2001-03-06 2002-02-20 Interrupteur de puissance a basse tension, a systeme d'extinction d'arc electrique

Country Status (7)

Country Link
US (1) US6917269B2 (fr)
EP (1) EP1366501B1 (fr)
JP (1) JP4153791B2 (fr)
CN (1) CN100350527C (fr)
DE (2) DE20104325U1 (fr)
HK (1) HK1061109A1 (fr)
WO (1) WO2002071428A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8592709B2 (en) * 2008-04-15 2013-11-26 General Electric Company Current path arrangement for a circuit breaker
US7935902B2 (en) * 2008-04-15 2011-05-03 General Electric Company Contact assembly of circuit breaker
US20090256659A1 (en) * 2008-04-15 2009-10-15 Mahesh Jaywant Rane Circuit breaker with improved close and latch performance
US8164018B2 (en) * 2009-03-23 2012-04-24 Siemens Industry, Inc. Circuit breaker arc chambers and methods for operating same
US8912461B2 (en) * 2012-01-23 2014-12-16 General Electric Company Arc chute assembly and method of manufacturing same
US20150270075A1 (en) * 2014-03-21 2015-09-24 General Electric Company Modular gas exhaust assembly for a circuit breaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296402A (en) * 1964-12-23 1967-01-03 Allis Chalmers Mfg Co Arc chute for air circuit breaker
JPH0821278B2 (ja) * 1987-12-12 1996-03-04 富士電機株式会社 多極回路しゃ断器
DE19715116C2 (de) * 1997-04-11 1999-05-12 Aeg Niederspannungstech Gmbh Lichtbogenkammersystem

Also Published As

Publication number Publication date
HK1061109A1 (en) 2004-09-03
CN1494725A (zh) 2004-05-05
JP2004521458A (ja) 2004-07-15
DE20104325U1 (de) 2001-06-07
CN100350527C (zh) 2007-11-21
WO2002071428A1 (fr) 2002-09-12
US6917269B2 (en) 2005-07-12
US20040188388A1 (en) 2004-09-30
DE50202046D1 (de) 2005-02-24
JP4153791B2 (ja) 2008-09-24
EP1366501A1 (fr) 2003-12-03

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