EP2263245A1 - Schaltgerät - Google Patents
SchaltgerätInfo
- Publication number
- EP2263245A1 EP2263245A1 EP09717170A EP09717170A EP2263245A1 EP 2263245 A1 EP2263245 A1 EP 2263245A1 EP 09717170 A EP09717170 A EP 09717170A EP 09717170 A EP09717170 A EP 09717170A EP 2263245 A1 EP2263245 A1 EP 2263245A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switching
- switching device
- metal sheets
- switching contact
- contact
- 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.)
- Withdrawn
Links
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
-
- 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
- H01H2009/365—Metal parts using U-shaped plates
-
- 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
- H01H9/345—Mounting of arc chutes
Definitions
- the invention relates to a switching device according to the preamble of claim 1.
- switching devices which in case of excessive currents in a pipeline network, which continue over a predetermined time, disconnect this line network from a supply network to prevent the further supply of electrical current.
- Switching devices are further known which, in the event of a short circuit in a line network, separate this line network from a supply network in order to prevent the further supply of electrical current.
- Switching devices of this kind therefore have a disconnecting device which interacts in particular with a so-called overcurrent tripping device or a short-circuit tripping device which, when activated, triggers the mechanical disconnecting device which disconnects the switching contacts of the switching device and prevents further current flow.
- the overcurrent release device or the short-circuit release device usually act mechanically on a mechanical release of the separation device.
- an actuating lever is provided in the rule, with which the separating device can be controlled to the effect that this separates the switching contacts.
- the arc quenching chamber on a series of metal sheets which are also referred to as Deionbleche.
- These, usually similar trained metal sheets are arranged in known switching devices parallel to each other evenly within the arc extinguishing chamber.
- the object of the invention is therefore to provide a switching device of the type mentioned, with which the mentioned disadvantages can be avoided, which has a high reliability and reliability even after repeated shutdown, and further low production costs.
- the manufacturing costs can be kept low, because no other special part has to be manufactured and kept in stock. As a result, the burning of the most stressed metal sheets within the arc extinguishing chamber can be reliably prevented.
- Fig. 1 shows a preferred embodiment of a switching device according to the invention in axonometric exploded view
- FIG. 2 the arc extinguishing chamber of FIG. 1 in an axonometric representation with a missing housing half.
- Fig. 1 shows a switching device 1, in particular a circuit breaker, with at least one
- Switching contacts 4 in a closed position, a current path between the Input terminal 2 and the output terminal 3 close, wherein a separator 6 is provided for separating the first switching contact 4 and the second switching contact, wherein in the region of the switching contacts 4 at least one arc extinguishing chamber 9 is arranged, in which a predetermined plurality of metal sheets 10 are arranged, wherein at least two of the metal sheets 10 are at least partially arranged adjacent to each other.
- a switching device 1 can be created, which has a high reliability and reliability even after repeated - shutdown.
- Fig. 1 shows a series of modules of a preferred embodiment of a switching device 1 according to the invention as a circuit breaker in axonometric exploded view.
- Switching devices 1 are preferably provided with one, two, three or four current paths. According to the number of current paths respectively the same number of input terminals 2 and output terminals 3 are provided.
- the respective input terminals 2 and output terminals 3 generally comprise in addition to the illustrated parts, in each case at least one clamping screw, and preferably in each case at least one movable jaw by means of the clamping screw.
- the switching device 1 comprises an insulating material housing, which in the preferred embodiment comprises a lower housing shell 17 and an upper housing shell 18.
- the at least one first switching contact 4 is in a closed position on the at least one second switching contact, which at the illustrated embodiment is disposed within the assembly of the arc quenching chamber 9.
- Switching devices 1 preferably have an overcurrent tripping device 7 and / or a short-circuit tripping device 8.
- the KurzInstitutlette device 8 is formed in the illustrated preferred embodiment of a U-shaped yoke and a hinged armature, wherein the U-shaped yoke is attached to a first conductor of the current path, which is preferably associated with the input terminal 2 and / or the output terminal 3.
- a hinged armature spring At the U-shaped yoke of the hinged armature is rotatably mounted, which is forced by a hinged armature spring in a rest position, in which rest position of the hinged armature protrudes from the U-shaped yoke.
- the overcurrent tripping device 7 comprises a bimetallic element which is attached to the first conductor.
- the bimetallic element is flowed through directly by electricity, so is itself part of the current path, and is directly heated by the stream.
- the bimetallic element is completely or additionally heated indirectly, for example by a current-carrying conductor is arranged on the bimetallic element.
- the overcurrent tripping device 7 and / or the Kurz gleichausl ⁇ sevoriques 8 does not act directly on the separator 6, but rather via a reversing lever, which is formed in the subject preferred embodiment as a triggering shaft 19.
- the separation device 6 is designed as a switch lock.
- the switch lock is a force-storing link between an actuating lever 20 and the switch contacts 4.
- the switch lock is in the subject education in a first step means Movement of the actuating lever 20 stretched in a first direction of movement, wherein a spring energy store is tensioned, which ensures a rapid and safe separation of the switching contacts 4 when the switching mechanism is triggered.
- Switching devices have, for each pair Wennkotakte 4, therefore for each pair of at least one fixed housing and at least one movable Wegkotakt 4, which are assigned to one and the same switching path or switch one and the same sound path, each an arc extinguishing chamber 9, within which a predeterminable plurality of metal sheets 10 are arranged, which are preferably made of a thermally resistant metal, in particular comprising steel.
- the preferred embodiment of an arc quenching chamber 9, which is shown in detail in Fig. 2, comprises a two-part housing 14 made of insulating material, which is preferably formed of a thermosetting plastic. In the illustration according to FIG. 2, one of the two housing parts is removed in order to allow a representation of the internal structure of the arc extinguishing chamber 9.
- the housing 14 in particular in the individual housing parts in each case a predeterminable plurality of openings for receiving the metal sheets 10 are arranged.
- a particularly simple construction of an inventive arc extinguishing chamber 9 is possible, the arrangement of the metal sheets 10 within the arc extinguishing chamber 9 can be freely specified within wide ranges, and the individual metal sheets 10 which are mounted by means of a projection in the openings of the housing 14, safe and permanently anchored, whereby the reliability of a erf ⁇ ndungswashen switching device 1 is further increased.
- the second switching contact is designed as a fixed switching contact.
- the arc quenching chamber 9 is arranged in the region of the second switching contact.
- the arc quenching chamber 9 limits the area between the second switching contact and the open position of the first switching contact 4, which is designed as a movable switching contact 4.
- the second switching contact is in the illustration of FIG. 2 directly above a shielding plate 5, which is formed in particular comprising iron, and arranged below the metal sheets 10, wherein the second switching contact in Fig. 2 is covered by the metal sheets 10.
- the second switching contact is connected to the output terminal 3, which is passed in a loop under the arc extinguishing chamber 9, and ends in the second switching contact.
- the latter In order to move or guide the first switching contact 4 within the arc extinguishing chamber 9, the latter has, in a first region 11, a first opening 12 for carrying out the first switching contact 4. Furthermore, it is provided that the metal sheets 10 have a U-shaped recess 13. It can thereby be achieved that an opening first switching contact 4 is always surrounded by metal sheets, as a result of which a rapid dissipation of the arc from the switching contacts 4 can be achieved. By the U-shaped design of the metal sheets 10, the surface of the metal sheets 10 is further increased, whereby the cooling is particularly effective, and the arc can be quickly withdrawn so much energy that it can be extinguished.
- the metal sheets 10 are arranged adjacent to one another, at least in regions, wherein it is provided in particular that the first metal sheet 10, 26 most heavily loaded by a switching operation is assigned a second metal sheet 10, 27 which at least partially adjoins the first sheet metal Metal sheet 10, 27 arranged adjacent. It has been shown that it is particularly advantageous if the two metal sheets 10, which are arranged closest to the second switching contact, are the two metal sheets 10, which are arranged adjacent to one another at least in regions, as in the embodiment of an arc extinguishing chamber 9 according to FIG Figs. 1 and 2 is provided. It is particularly preferred that the two metal sheets adjoining one another are of substantially similar design and are substantially completely arranged on one another. As a result, in particular the load on individual metal sheets 10 in the immediate environment of origin of an arc can be reduced.
- the metal sheets 10 are arranged fan-shaped at least partially within the arc extinguishing chamber 9, as shown in the embodiments shown in Figs. 1 and 2, whereby a particularly advantageous leadership of Arc, and a particularly effective and streamlined discharge of the generated by the arc ionized gases can be achieved.
- a fan-shaped arrangement is preferably any type of arrangement in which the Distance between two adjacently arranged metal sheets 10 continuously increases from the first opening 12 to an outlet. Particularly preferably, it is provided in this connection that the metal sheets 10 are arranged following the line of movement of the first switching contact 4.
- the first opening is closed in the subject preferred embodiment by a closure member 15 having a slot 16 through which engages the contact carrier 25 of the first Druckkotaktes 4.
- the closure part 15 is formed from a thermoplastic. While the housing 14 of the arc quenching chamber 9 defies the high temperatures prevailing in the vicinity of an arc without melting, the closure member 15 formed of a thermoplastic material is intentionally abraded by the arc.
- a substantially predeterminable small portion of the surface of the closure member 15 is vaporized by the energy of the arc, creating a local overpressure which helps propel the arc and the further generated ionized gases towards at least one outlet which is in or on the arc extinguishing catalyst 9 is arranged for the escape of ionized gas.
- the at least one outlet can not be seen in the illustrations of the arc extinguishing chamber according to FIGS. 1 and 2, but the approximate position is illustrated by the arrow 22.
- the outlet is arranged in the region of a Klemmschraubtunnel 23, which is the same in the subject formation of an arc extinguishing chamber 9 thereof.
- the shutter 15 has in its preferred embodiment in addition to the slot 16 each have a receptacle 24, which are arranged substantially parallel to the slot 16 and / or parallel to the direction of movement of the first switching contact 4, and in which at least one conductor plate 21 is arranged ,
- This conductor plates 21, which are preferably formed iron, generate at a shutdown an electromotive force, which further accelerate the contact carrier 25 of the first switching contact 4 in its movement within the slot 16 and thus underpin the rapid opening of the switching contacts 4.
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0035808A AT509277A1 (de) | 2008-03-05 | 2008-03-05 | Schaltgerät |
PCT/AT2009/000058 WO2009108969A1 (de) | 2008-03-05 | 2009-02-17 | Schaltgerät |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2263245A1 true EP2263245A1 (de) | 2010-12-22 |
Family
ID=40750877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09717170A Withdrawn EP2263245A1 (de) | 2008-03-05 | 2009-02-17 | Schaltgerät |
Country Status (11)
Country | Link |
---|---|
US (1) | US8237074B2 (zh) |
EP (1) | EP2263245A1 (zh) |
CN (2) | CN201270212Y (zh) |
AR (1) | AR070779A1 (zh) |
AT (1) | AT509277A1 (zh) |
AU (1) | AU2009221607A1 (zh) |
BR (1) | BRPI0908547A2 (zh) |
CA (1) | CA2717814A1 (zh) |
IL (1) | IL207999A0 (zh) |
RU (1) | RU2502147C2 (zh) |
WO (1) | WO2009108969A1 (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT509277A1 (de) * | 2008-03-05 | 2011-07-15 | Moeller Gebaeudeautomation Gmbh | Schaltgerät |
AT510330A2 (de) | 2010-08-19 | 2012-03-15 | Eaton Gmbh | Schaltgerät |
CN102610454B (zh) * | 2012-03-08 | 2014-07-02 | 江苏辉能电气有限公司 | 一种塑壳断路器的上进线静触头装置 |
FR2988214B1 (fr) * | 2012-03-13 | 2014-04-25 | Hager Electro Sas | Appareil electrique de protection modulaire constitue de sous-ensembles distincts. |
US9412549B2 (en) | 2014-02-18 | 2016-08-09 | General Electric Company | Electromagnetically enhanced contact separation in a circuit breaker |
CN107708674A (zh) * | 2015-05-22 | 2018-02-16 | 阿菲欧斯公司 | 联合hiv疗法 |
EP3144946A1 (en) * | 2015-09-18 | 2017-03-22 | ABB Schweiz AG | Low voltage electrical contact system with enhanced arc blow effect |
US10056210B2 (en) * | 2016-01-14 | 2018-08-21 | Rockwell Automation Switzerland Gmbh | Arc chamber assembly and method |
EP3389070A1 (en) * | 2017-04-13 | 2018-10-17 | ABB Schweiz AG | Arc chamber for a dc circuit breaker |
US10128069B1 (en) * | 2017-07-18 | 2018-11-13 | Eaton Intelligent Power Limited | Electrical switching apparatus and debris barrier therefor |
CN111180288A (zh) * | 2018-11-13 | 2020-05-19 | 上海良信电器股份有限公司 | 灭弧装置及设有该灭弧装置的断路器 |
EP3660876B1 (en) * | 2018-11-29 | 2022-05-11 | ABB Schweiz AG | Splitter plate, arc extinguishing chamber and switching device |
CN111755299B (zh) * | 2019-03-29 | 2022-07-05 | Ls产电株式会社 | 配线用断路器的灭弧装置 |
KR102196740B1 (ko) * | 2019-04-05 | 2020-12-30 | 엘에스일렉트릭(주) | 직류 기중 회로 차단기용 소호부 구조체 |
KR102558812B1 (ko) * | 2020-03-13 | 2023-07-24 | 엘에스일렉트릭(주) | 아크 소호부 및 이를 포함하는 기중 차단기 |
KR102556749B1 (ko) * | 2020-03-13 | 2023-07-18 | 엘에스일렉트릭(주) | 기중 차단기 |
KR102556750B1 (ko) * | 2020-03-20 | 2023-07-18 | 엘에스일렉트릭(주) | 아크 소호 조립체 및 이를 포함하는 차단기 |
EP4177920B1 (en) * | 2021-11-08 | 2024-06-26 | ABB S.p.A. | Low voltage switch pole |
US11749475B2 (en) * | 2021-11-12 | 2023-09-05 | Eaton Intelligent Power Limited | Arc chute debris blocker |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001039224A1 (de) * | 1999-11-25 | 2001-05-31 | Moeller Gmbh | Strombegrenzende kontaktanordnung |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1020094B (de) * | 1955-07-15 | 1957-11-28 | Voigt & Haeffner Ag | Blasspulenfreier Installationsselbstschalter |
DE1290219B (de) * | 1964-09-11 | 1969-03-06 | Siemens Ag | Lichtbogenkammer fuer Niederspannungsschaltgeraete |
SU733042A1 (ru) * | 1978-10-11 | 1980-05-05 | 042 (51)М. Кл. Н 01 Н 33/08 (53)УДК621. .316.542 (О88.8) и В. М. Желтый | Автоматический выключатель |
DE3129161A1 (de) * | 1981-07-23 | 1983-02-10 | Siemens AG, 1000 Berlin und 8000 München | "lichtbogen-loeschkammer |
US4931602A (en) | 1987-05-28 | 1990-06-05 | Mitsubishi Denki Kabushiki Kaisha | Multipole circuit breaker |
SU1636890A1 (ru) * | 1988-09-26 | 1991-03-23 | Специальное Конструкторско-Технологическое Бюро Низковольтной Аппаратуры Производственного Объединения "Севкавэлектроаппарат" | Быстродействующий автоматический выключатель с двойным разрывом цепи |
SU1720103A1 (ru) * | 1990-01-08 | 1992-03-15 | Ставропольское Специальное Конструкторско-Технологическое Бюро Низковольтной Аппаратуры Научно-Производственного Объединения "Внииэлектроаппарат" | Автоматический выключатель |
IT1264164B1 (it) | 1993-04-21 | 1996-09-17 | Sace Spa | Interruttore di bassa tensione in scatola isolante |
RU2074441C1 (ru) * | 1994-10-10 | 1997-02-27 | Акционерное общество низковольтной аппаратуры | Автоматический выключатель |
RU2224325C2 (ru) * | 2001-03-26 | 2004-02-20 | ЗАО "Гефест" | Автоматический выключатель |
CN2599733Y (zh) * | 2002-11-28 | 2004-01-14 | 浙江德力西电器股份有限公司 | 塑壳断路器的限流机构 |
CN1209777C (zh) * | 2003-04-29 | 2005-07-06 | 浙江德力西电器股份有限公司 | 塑壳断路器的灭弧装置 |
US7041921B2 (en) | 2004-04-19 | 2006-05-09 | Moeller Gebäudeautomation KG | Switching device |
JP2007048610A (ja) * | 2005-08-10 | 2007-02-22 | Hitachi Industrial Equipment Systems Co Ltd | 回路遮断器 |
AT509277A1 (de) * | 2008-03-05 | 2011-07-15 | Moeller Gebaeudeautomation Gmbh | Schaltgerät |
-
2008
- 2008-03-05 AT AT0035808A patent/AT509277A1/de not_active Application Discontinuation
- 2008-05-16 CN CNU2008201116096U patent/CN201270212Y/zh not_active Expired - Fee Related
- 2008-05-16 CN CN200810099065.0A patent/CN101527209B/zh active Active
-
2009
- 2009-02-17 AU AU2009221607A patent/AU2009221607A1/en not_active Abandoned
- 2009-02-17 EP EP09717170A patent/EP2263245A1/de not_active Withdrawn
- 2009-02-17 RU RU2010140595/07A patent/RU2502147C2/ru not_active IP Right Cessation
- 2009-02-17 WO PCT/AT2009/000058 patent/WO2009108969A1/de active Application Filing
- 2009-02-17 BR BRPI0908547A patent/BRPI0908547A2/pt not_active IP Right Cessation
- 2009-02-17 CA CA2717814A patent/CA2717814A1/en not_active Abandoned
- 2009-03-04 AR ARP090100753A patent/AR070779A1/es not_active Application Discontinuation
- 2009-03-04 US US12/397,821 patent/US8237074B2/en not_active Expired - Fee Related
-
2010
- 2010-09-05 IL IL207999A patent/IL207999A0/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001039224A1 (de) * | 1999-11-25 | 2001-05-31 | Moeller Gmbh | Strombegrenzende kontaktanordnung |
Also Published As
Publication number | Publication date |
---|---|
CN101527209B (zh) | 2014-05-28 |
US20090223934A1 (en) | 2009-09-10 |
RU2010140595A (ru) | 2012-04-10 |
AT509277A1 (de) | 2011-07-15 |
AR070779A1 (es) | 2010-05-05 |
US8237074B2 (en) | 2012-08-07 |
CA2717814A1 (en) | 2009-09-11 |
CN201270212Y (zh) | 2009-07-08 |
RU2502147C2 (ru) | 2013-12-20 |
AU2009221607A1 (en) | 2009-09-11 |
CN101527209A (zh) | 2009-09-09 |
BRPI0908547A2 (pt) | 2015-09-29 |
IL207999A0 (en) | 2010-12-30 |
WO2009108969A1 (de) | 2009-09-11 |
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Inventor name: TETIK, ADOLF Inventor name: KOLM, ROMAN |
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