EP1103996A1 - Dispositif de coupure pour appareil interrupteur - Google Patents
Dispositif de coupure pour appareil interrupteur Download PDFInfo
- Publication number
- EP1103996A1 EP1103996A1 EP00403260A EP00403260A EP1103996A1 EP 1103996 A1 EP1103996 A1 EP 1103996A1 EP 00403260 A EP00403260 A EP 00403260A EP 00403260 A EP00403260 A EP 00403260A EP 1103996 A1 EP1103996 A1 EP 1103996A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fins
- cut
- side walls
- guide means
- box
- 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
- H01H9/36—Metal parts
- H01H9/362—Mounting of plates in arc chamber
Definitions
- the present invention relates to a switching device comprising a arc breaking chamber box provided with arc extinguishing fins, this device being intended to be used in each pole of switchgear, in particular low-voltage circuit breakers or contactor-circuit breakers multipolar.
- the invention therefore aims to provide a unique device allowing the time to guide the arc extinguishing fins in the casing of the breaking chamber, to isolate them from the moving contacts and at the same time stiffen the side walls the enclosure of the breaking chamber.
- the switch-off device multipolar consists of, for each pole, a breaking box comprising two side walls between which is disposed a cage supporting a contact bridge mobiles associated with fixed contacts, and comprising two sets of several U-shaped arc extinguishing fins.
- This device is characterized in that the side walls of the switch box include guide means for the ends of the arc extinguishing fins, these guide means being moreover capable of provide electrical insulation between the movable contacts and the ends of the arc extinguishing fins.
- these means of guides are molded with each side wall towards the inside of the switch box and consist of a body extended by a lateral rib forming, with the wall lateral, a housing for receiving the ends of the arc extinguishing fins.
- the body of the guide means also contributes to strengthening the rigidity mechanical side walls of the switch box.
- the switching device described in the invention is located in a room break 19 formed by an insulating break box 20 for each pole of a switch device, for example of the contactor-circuit breaker type.
- This case of cut 20 has a substantially parallelepiped shape and has two walls side 24 and a bottom wall 25.
- the break boxes 20 of the different poles are adjacent to each other and the adjacent side walls 24 are common, as shown in FIG. 1.
- FIG. 2 shows a switching chamber in which there is a movable contact bridge 11, mounted inside a cage 10 and provided with a pusher insulator 14 and two movable contacts 12. Each movable contact 12 of this bridge 11 cooperates with a fixed contact not shown in the attached figures.
- Pusher 14 and the contact bridge 11 are guided in translation in the cage 10 along an identified axis X.
- the trigger acts on pusher 14 to separate movable contacts 12 from fixed contacts.
- a compression spring 18 bearing on the one hand on the bottom 25 of the breaking box thanks to a suitable shape 13 of the cage 10 and on the other hand under the contact bridge 11 tends to press the fixed contacts 12 against the fixed contacts.
- each set of fins 17 consists of a plurality of metal arc extinguishing fins 16, parallel to each other, in U-shaped, each with a base 16b and two ends 16a facing the cage 10; each set of fins 17 also includes an assembly part 15 insulating, perpendicular to the fins 16, surrounding the base 16b of the fins 16 and intended to fix and maintain them between them at a fixed distance.
- the ends 16a of the fins are arranged close to each movable contact 12, in a direction parallel to the X axis corresponding to the movement made by the movable contact bridge 11 during a tripping, in order to act as effectively as possible against an electric arc occurring between a fixed contact and a mobile contact.
- the ends 16a of the fins 16 must be protected by an insulating partition of the movable contact 12, of the fixed contact and of the bridge 11.
- the breaking box 20 may be subjected to significant pressures and it may be necessary to stiffen the side walls 24 of the breaking box 20, near the contact bridge mobile 11.
- the invention provides a device in which the side walls 24 of the breaking box 20 comprise means for guide for the ends 16a of the arc extinguishing fins 16.
- these guide means comprise a body 21, molded with each side wall 24 towards the inside of the breaking box 20 and extended by a lateral rib 22 substantially parallel to the lateral wall 24, forming with this wall a housing 23 adapted to receive the ends 16a of the arc extinguishing fins 16.
- the body 21 may, for example, have a section which is substantially rectangular over the entire height of the wall 24.
- the length of the lateral rib 22 allows the ends 16a to be covered sufficiently to insulate them electrically movable contacts 12, fixed contacts and movable contact bridge 11, when the appearance of an electric arc.
- Lugs 26, molded with each side wall 24 towards the inside of the cutout box 20, are intended to guide and laterally maintain each set of fins 17 by resting on the rear face 15a of the part assembly 15 of the fins 16.
- each set of fins can be quickly inserted and held in a housing cut-off 20, thus facilitating the manufacture of the cut-off chambers 19.
- the body 21 also makes it possible to reinforce notably, without adding additional element, the rigidity of the side walls 24 near the area where can trigger an electric arc between moving contacts and fixed contacts, i.e. where the pressure on these side walls is greatest. We can thus reduce the general thickness of the side walls 24 knowing that they are reinforced in their most critical areas; it follows a general optimization of dimensions for a multi-pole switch device.
- the means for guiding the ends 16a of the fins arc extinguisher 16 also serve to facilitate insertion and ensure maintenance side of the cage 10 of the movable contact bridge 11 in the cutout box 20.
- the body 21 of the guide means indeed has a face 21a in a plane perpendicular to the side wall 24, opposite the rib 22.
- the faces 21a of two bodies 21 located along the same side wall 24 of a cut-off box 20 form with this side wall 24 a housing 27 in which the cage 10 can slide along the X axis at the time of its insertion and which then ensures the maintenance lateral of this cage 10 and therefore of the movable contact bridge 11.
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Circuit Breakers (AREA)
- Breakers (AREA)
- Push-Button Switches (AREA)
- Slide Switches (AREA)
- Keying Circuit Devices (AREA)
- Electronic Switches (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
Claims (4)
- Dispositif de coupure d'appareil interrupteur multipolaire constitué, pour chaque pôle, d'un boítier (20) d'une chambre de coupure (19) comprenant :deux parois latérales (24) entre lesquelles est disposée une cage (10) supportant un pont (11) de deux contacts mobiles (12) associés à des contacts fixes,deux ensembles (17) de plusieurs ailettes d'extinction d'arc (16) en forme de U,
- Dispositif de coupure selon la revendication 1, caractérisé par le fait que ces moyens de guidage comportent un corps (21), moulé avec chaque paroi latérale (24) vers l'intérieur du boítier de coupure (20) et prolongé d'une nervure latérale (22) formant, avec la paroi latérale (24), un logement (23) pouvant recevoir les extrémités (16a) des d'ailettes d'extinction d'arc.
- Dispositif de coupure selon la revendication 1, caractérisé par le fait que le corps (21) des moyens de guidage contribue également à renforcer la rigidité mécanique des parois latérales (24) du boítier de coupure dans la zone où peut se déclencher un arc électrique entre contacts fixes et contacts mobiles.
- Dispositif de coupure selon la revendication 2, caractérisé par le fait que le corps (21) des moyens de guidage possède une face (21a) perpendiculaire à la paroi latérale (24), à l'opposé de la nervure (22), qui assure le guidage et le maintien latéral de la cage (10) du pont de contacts mobiles dans le boítier de coupure (20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60027842T DE60027842T3 (de) | 1999-11-25 | 2000-11-22 | Abschaltvorrichtung für ein Schaltgerät |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9914960A FR2801722B1 (fr) | 1999-11-25 | 1999-11-25 | Dispositif de coupure pour appareil interrupteur |
FR9914960 | 1999-11-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1103996A1 true EP1103996A1 (fr) | 2001-05-30 |
EP1103996B1 EP1103996B1 (fr) | 2006-05-10 |
EP1103996B2 EP1103996B2 (fr) | 2013-08-14 |
Family
ID=9552622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00403260.3A Expired - Lifetime EP1103996B2 (fr) | 1999-11-25 | 2000-11-22 | Dispositif de coupure pour appareil interrupteur |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1103996B2 (fr) |
AT (1) | ATE326060T1 (fr) |
DE (1) | DE60027842T3 (fr) |
FR (1) | FR2801722B1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005062333A1 (fr) * | 2003-11-28 | 2005-07-07 | Siemens Aktiengesellschaft | Commutateur |
CN102683129A (zh) * | 2011-03-18 | 2012-09-19 | 富士电机机器制御株式会社 | 多极断路器 |
US9324519B2 (en) | 2012-05-30 | 2016-04-26 | Abb Technology Ltd | Switching device |
CN107533930A (zh) * | 2014-09-24 | 2018-01-02 | 西门子公司 | 具有灭弧装置的开关设备 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1911660A1 (de) * | 1969-03-07 | 1970-10-01 | Bbc Brown Boveri & Cie | Lichtbogenloeschvorrichtung |
US4247746A (en) * | 1977-10-04 | 1981-01-27 | Dorman Smith Switchgear Limited | Electric circuit breaker |
US4405847A (en) * | 1980-12-23 | 1983-09-20 | Whipp & Bourme (1975) Limited | Arc chutes |
EP0138174A2 (fr) * | 1983-10-15 | 1985-04-24 | Licentia Patent-Verwaltungs-GmbH | Dispositif d'extinction pour un interrupteur automatique |
DE8903583U1 (de) * | 1989-03-22 | 1989-05-11 | AEG Niederspannungstechnik GmbH, 24534 Neumünster | Lichtbogenlöscheinrichtung |
US4866226A (en) * | 1987-07-13 | 1989-09-12 | Mitsubishi Denki Kabushiki Kaisha | Multi-phase circuit breaker employing arc extinguishing apparatus |
DE19757332C1 (de) * | 1997-12-22 | 1999-07-22 | Siemens Ag | Lichtbogenlöscheinrichtung für ein Schaltgerät |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1415944A1 (de) * | 1961-03-24 | 1969-02-06 | Licentia Gmbh | Schaltgeraet mit einer ungleich breit ausgebildeten Lichtbogenkammer |
DE2029252C3 (de) † | 1970-06-13 | 1975-04-03 | Siemens Ag | Elektrischer Schalter |
FR2687251B1 (fr) † | 1992-02-11 | 1994-04-29 | Telemecanique | Structure de coupure pour disjoncteur. |
-
1999
- 1999-11-25 FR FR9914960A patent/FR2801722B1/fr not_active Expired - Lifetime
-
2000
- 2000-11-22 AT AT00403260T patent/ATE326060T1/de not_active IP Right Cessation
- 2000-11-22 EP EP00403260.3A patent/EP1103996B2/fr not_active Expired - Lifetime
- 2000-11-22 DE DE60027842T patent/DE60027842T3/de not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1911660A1 (de) * | 1969-03-07 | 1970-10-01 | Bbc Brown Boveri & Cie | Lichtbogenloeschvorrichtung |
US4247746A (en) * | 1977-10-04 | 1981-01-27 | Dorman Smith Switchgear Limited | Electric circuit breaker |
US4405847A (en) * | 1980-12-23 | 1983-09-20 | Whipp & Bourme (1975) Limited | Arc chutes |
EP0138174A2 (fr) * | 1983-10-15 | 1985-04-24 | Licentia Patent-Verwaltungs-GmbH | Dispositif d'extinction pour un interrupteur automatique |
US4866226A (en) * | 1987-07-13 | 1989-09-12 | Mitsubishi Denki Kabushiki Kaisha | Multi-phase circuit breaker employing arc extinguishing apparatus |
DE8903583U1 (de) * | 1989-03-22 | 1989-05-11 | AEG Niederspannungstechnik GmbH, 24534 Neumünster | Lichtbogenlöscheinrichtung |
DE19757332C1 (de) * | 1997-12-22 | 1999-07-22 | Siemens Ag | Lichtbogenlöscheinrichtung für ein Schaltgerät |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005062333A1 (fr) * | 2003-11-28 | 2005-07-07 | Siemens Aktiengesellschaft | Commutateur |
US7285742B2 (en) | 2003-11-28 | 2007-10-23 | Siemens Aktiengesellschaft | Switching device |
US7371987B2 (en) | 2003-11-28 | 2008-05-13 | Siemens Aktiengesellschaft | Switching device |
US7748105B2 (en) | 2003-11-28 | 2010-07-06 | Siemens Aktiengesellschaft | Method for producing a switching device |
CN102683129A (zh) * | 2011-03-18 | 2012-09-19 | 富士电机机器制御株式会社 | 多极断路器 |
CN102683129B (zh) * | 2011-03-18 | 2014-12-17 | 富士电机机器制御株式会社 | 多极断路器 |
US9324519B2 (en) | 2012-05-30 | 2016-04-26 | Abb Technology Ltd | Switching device |
CN107533930A (zh) * | 2014-09-24 | 2018-01-02 | 西门子公司 | 具有灭弧装置的开关设备 |
US10224162B2 (en) | 2014-09-24 | 2019-03-05 | Siemens Aktiengesellschaft | Switching device with arc extinguishing device |
CN107533930B (zh) * | 2014-09-24 | 2019-04-05 | 西门子公司 | 具有灭弧装置的开关设备 |
Also Published As
Publication number | Publication date |
---|---|
EP1103996B2 (fr) | 2013-08-14 |
ATE326060T1 (de) | 2006-06-15 |
FR2801722B1 (fr) | 2001-12-28 |
FR2801722A1 (fr) | 2001-06-01 |
DE60027842T3 (de) | 2013-12-12 |
DE60027842D1 (de) | 2006-06-14 |
EP1103996B1 (fr) | 2006-05-10 |
DE60027842T2 (de) | 2006-10-05 |
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