EP1722384A2 - Appareil d'installation électrique avec une préchambre d'extinction, des tôles de déionisation et un dispositif d'extinction d'arc par limitation de courant - Google Patents
Appareil d'installation électrique avec une préchambre d'extinction, des tôles de déionisation et un dispositif d'extinction d'arc par limitation de courant Download PDFInfo
- Publication number
- EP1722384A2 EP1722384A2 EP06008056A EP06008056A EP1722384A2 EP 1722384 A2 EP1722384 A2 EP 1722384A2 EP 06008056 A EP06008056 A EP 06008056A EP 06008056 A EP06008056 A EP 06008056A EP 1722384 A2 EP1722384 A2 EP 1722384A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- arc
- electrical installation
- installation device
- prechamber
- slot
- 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
Links
Images
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
- H01H9/346—Details concerning the arc formation chamber
-
- 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
- H01H2009/348—Provisions for recirculation of arcing gasses to improve the arc extinguishing, e.g. move the arc quicker into the arcing chamber
Definitions
- the invention relates to an electrical installation device with arc Vorschraum, Vorschplatten and current-limiting arc quenching device according to the preamble of claim 1.
- the invention can be used for example in circuit breakers and motor protection switches.
- Miniature circuit breakers and motor protection switches are used in the event of a fault to disconnect electrical lines that are loaded with high current overcurrents from the supply network.
- a fixed and a movable contact piece are provided in an arc Vorschraum, which are connected to the respective terminals.
- a switching arc which is deleted in a designated extinguishing device.
- the drawn arc commutes from the opened contact pieces on arc guide rails, and then subdivided into an arc splitter stack (Deion quenching chamber). There, a high arc voltage is generated to limit the current, so that the arc goes out.
- an arc extinguishing arrangement for an electrical switching device which comprises a quenching chamber (in which a switching action between a fixed and a movable contact piece is generated an arc) and a plurality of arc quenching arc splitter stack in which the arc is guided over guide rails.
- the invention has for its object to provide an electrical installation device with arc Vorschraum, Vorhuntplatten and current-limiting arc quenching, the high dielectric strength is maintained even after repeated triggering with the emergence of an arc.
- the two prechamber plates 8 mentioned above are formed from an insulating material (such as ceramic or plastic) and arranged on both broad sides of the arc prechamber space 7 such that a return flow channel is formed between the housing wall and the prechamber plate 8. Deflections redirect the gases flowing through these return flow channels back to the arc prechamber space 7.
- the prechamber plates 8 are geometrically arranged such that a return flow behind these prechamber plates is made possible only in the expansion area of the arc, whereby the arc 13 is accelerated in the direction of the arc quenching device 12.
- FIGS. 2, 3 and 4 show in detail three different embodiments of an antechamber plate.
- two outer slots 20, 22 and a central slot 21 are introduced in an overlapping manner into the prechamber plates 8 approximately parallel to the arc guide rail 16, this at least one slot transverse to the imaginary connection between the arc guide rails 14, 16 runs.
- the slots 20, 22 open directly in the edge regions of the prechamber plates.
- a narrow web 23 is formed between slot 20 and edge region and a narrow web 24 between slot 22 and edge region.
- only two slits 25, 26 introduced in an overlapping manner into the prechamber plates 8 are provided.
- edge-side webs can also be formed in this variant.
- the edge-side web 23 and 24 facilitates the assembly, because it is a tilting of the pre-chamber plate 8 effectively prevented during the fully automatic assembly of the switching device. If a creepage distance should develop after repeated occurrence of an arc over this web 23 or 24, the web melts (provided that a plastic material for the Vorschplatten 8 is used), whereby an elongated slot 20 or 22 is formed.
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005022213A DE102005022213A1 (de) | 2005-05-13 | 2005-05-13 | Elektrisches Installationsgerät mit Lichtbogen-Vorkammerraum, Vorkammerplatten und strombegrenzender Lichtbogenlöscheinrichtung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1722384A2 true EP1722384A2 (fr) | 2006-11-15 |
EP1722384A3 EP1722384A3 (fr) | 2007-06-27 |
EP1722384B1 EP1722384B1 (fr) | 2010-10-27 |
Family
ID=36809229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06008056A Not-in-force EP1722384B1 (fr) | 2005-05-13 | 2006-04-19 | Appareil d'installation électrique avec une préchambre d'extinction, des tôles de déionisation et un dispositif d'extinction d'arc par limitation de courant |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1722384B1 (fr) |
AT (1) | ATE486356T1 (fr) |
DE (2) | DE102005022213A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3059460A1 (fr) * | 2016-11-29 | 2018-06-01 | Hager-Electro Sas | Chambre de detente d'un disjoncteur differentiel et disjoncteur ainsi equipe |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007001802B4 (de) * | 2006-12-22 | 2010-02-25 | Abb Ag | Elektrisches Schaltgerät |
DE102007032841A1 (de) * | 2007-07-12 | 2009-01-15 | Abb Ag | Installationsschaltgerät mit Isolierstoffgehäuse |
DE102014119474A1 (de) * | 2014-12-22 | 2016-06-23 | Eaton Electrical Ip Gmbh & Co. Kg | Löschblechanordnung für ein Schaltgerät |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0251160B1 (fr) | 1986-06-27 | 1992-05-20 | Asea Brown Boveri Aktiengesellschaft | Dispositif d'extinction pour disjoncteurs électriques |
DE10242310A1 (de) | 2001-11-16 | 2003-07-10 | Abb Patent Gmbh | Lichtbogenlöschanordnung für ein elektrisches Schaltgerät |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3824025C2 (de) * | 1988-07-15 | 1994-02-17 | Asea Brown Boveri | Niederspannungsschaltgerät |
JPH04255623A (ja) * | 1991-02-07 | 1992-09-10 | Fuji Electric Co Ltd | 回路遮断器 |
AT410725B (de) * | 1993-11-02 | 2003-07-25 | Felten & Guilleaume Ag Oester | Selbstschalter |
CZ20041197A3 (cs) * | 2004-12-08 | 2006-07-12 | Hess Trading Sr, Spol. S R.O. | Zhásecí komora jistice |
-
2005
- 2005-05-13 DE DE102005022213A patent/DE102005022213A1/de not_active Withdrawn
-
2006
- 2006-04-19 AT AT06008056T patent/ATE486356T1/de active
- 2006-04-19 DE DE502006008162T patent/DE502006008162D1/de active Active
- 2006-04-19 EP EP06008056A patent/EP1722384B1/fr not_active Not-in-force
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0251160B1 (fr) | 1986-06-27 | 1992-05-20 | Asea Brown Boveri Aktiengesellschaft | Dispositif d'extinction pour disjoncteurs électriques |
DE10242310A1 (de) | 2001-11-16 | 2003-07-10 | Abb Patent Gmbh | Lichtbogenlöschanordnung für ein elektrisches Schaltgerät |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3059460A1 (fr) * | 2016-11-29 | 2018-06-01 | Hager-Electro Sas | Chambre de detente d'un disjoncteur differentiel et disjoncteur ainsi equipe |
Also Published As
Publication number | Publication date |
---|---|
ATE486356T1 (de) | 2010-11-15 |
DE102005022213A1 (de) | 2006-11-16 |
EP1722384B1 (fr) | 2010-10-27 |
EP1722384A3 (fr) | 2007-06-27 |
DE502006008162D1 (de) | 2010-12-09 |
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