WO2014086587A1 - Schaltgerät - Google Patents
Schaltgerät Download PDFInfo
- Publication number
- WO2014086587A1 WO2014086587A1 PCT/EP2013/074356 EP2013074356W WO2014086587A1 WO 2014086587 A1 WO2014086587 A1 WO 2014086587A1 EP 2013074356 W EP2013074356 W EP 2013074356W WO 2014086587 A1 WO2014086587 A1 WO 2014086587A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- contact
- switching device
- magnetic field
- fixed contact
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
-
- 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
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6641—Contacts; Arc-extinguishing means, e.g. arcing rings making use of a separate coil
-
- 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
Definitions
- the invention relates to a switching device having a Needlessys ⁇ system of a moving contact and a fixed contact, and an arc extinguishing device.
- Switchgear with a contact system consisting of a moving contact and a fixed contact and an arc extinguishing device are known from the state of the art, for example in the field of low voltage as a switch with a fixed contact and a rotatably mounted moving contact, wherein an arc extinguishing device is provided in the form of quenching.
- the medium-voltage range switching devices are known, for example, as vacuum interrupters, which have a vacuum-tight housing vacuum-movably led out moving contact and also vacuum-tight led out of the vacuum housing fixed contact, which form a contact system within the vacuum housing, the arc extinguishing device through slots in the contacts of the contact system is formed, which slots are provided for generating a magnetic field and lead to the expansion or rotation of an arc, which is erased at a current zero crossing.
- Object of the present invention is to provide a switching device, which has improved arc extinguishing properties.
- a Heidelbergge ⁇ advises with a contact system of a moving contact, which is movable along a direction of movement, and a fixed contact, and an arc extinguishing device with an arrangement for generating a in a plane perpendicular to
- Such a switching device has improved arc extinguishing ⁇ properties because the arrangement for generating egg nes magnetic field and the electrode arrangement A in the case of ei ⁇ nes short-circuit current at separate contact system occurring defects ⁇ tender arc having as the plasma electrically conductive particles, and since the in Magnetic field formed in the arrangement for generating the magnetic field in the electrode arrangement of the first and second electrode an electrical
- Field can be generated because the charged, electrically conductive particles of the plasma of the arc move due to the movement in the magnetic field to the electrodes, and build there an electric field, which leads to the generation of a countercurrent, which is formed opposite to the external applied voltage and thus counteracts the arc ⁇ burning voltage and causes the arc extinguishing or supported.
- a countercurrent which is formed opposite to the external applied voltage and thus counteracts the arc ⁇ burning voltage and causes the arc extinguishing or supported.
- Particularly advantageous in such a ⁇ type switching device is that it can be used for both DC voltage operation as well as AC operation, because the electric field formed by the magnetic field generating arrangement and the electrode array at DC voltage operation for arc extinction and sufficient for AC operation, the same effect during a half - Wave of the alternating current is also sufficient to counteract the Lichtbo ⁇ genbrennschreib and to support the arc extinguishing.
- the underlying principle is that of a known in itself magnetohydrodynamic generator,
- Magnetic field on the conductive particles on an electric ⁇ denanssen generates an electric field and the DC current river leads.
- This electric field generated in the electrode assembly is in the switching device according to the invention advantageously the outer voltage applied and thus the arc voltage aligned opposite and causes or thus supports advantageously the arc extinguishing.
- the arrangement for generating the magnetic field comprises a U-shaped iron core whose base is arranged between the fixed contact and a current loop forming electrical connection line of the fixed contact and the two legs extend along the contact system to this.
- a type of SLOT motor is formed by the U-shaped iron core in the arrangement according to the advantageous embodiment, in which when a sufficiently high current between the legs of the U-shaped iron core occurs, a magnetic field is generated, which is a force on the Moving contact of the contact system exerts, which leads to the opening of the contact system.
- a force on the electrically conductive particles or particles of the plasma stream is ensured by this arrangement of the U-shaped iron core and the magnetic field ⁇ generated thereby, which can be exploited for the construction of the opposing field on the electrode assembly.
- the first electrode extends laterally from the movable contact toward the fixed contact and the second electrode since ⁇ Lich from the stationary contact towards the movable contact in such a way that, when broken contact system, the first electrode and the second electrode to the one between Moving contact and the fixed contact formed gap along the same extend.
- the moving contact is electrically isolated with a drive mechanically coupled and conductively connected by a first sliding contact with a first electrical connection of the switching device.
- a sliding contact and a flexible conductor can serve for connection.
- Such sliding contact or flexible conductor is a simple Mög ⁇ probability to electrically conductively connect a first electrical connection of the switching ⁇ device with the moving contact and at the same time to ensure the movement of the moving contact to open or close the contact system of the switching device to ge ⁇ .
- the first electrode via a second sliding contact with the ers ⁇ th electrical connection of the switching device is conducting verbun ⁇ .
- the second sliding contact can also serve a two ⁇ ter flexible conductor for connection.
- Sliding contact or a second flexible conductor for electrically conductive connection of the first electrode to the first electrical connection of the switching device also allows in a simple manner an electrically conductive connection while ensuring the mobility of the moving contact.
- the contact system and the arc extinguishing apparatus may be arranged differently, for example in a luf ⁇ tisol striv housing.
- the contact system and the arc extinguishing device are arranged in a vacuum-tight housing, with a moving contact connection pin being led out of the vacuum housing in a vacuum-tight manner.
- the order the contact system and the arc extinguishing device in a vacuum-tight housing is particularly advantageous when the switching device is to be used in the range of medium voltage, because in such a vacuum interrupter an arc in the form of a metal vapor plasma with extremely high Leitfä ⁇ ability when interrupting the contact system due to a Short-circuit current arises.
- the short-circuit current which is to be interrupted is high in the region of the medium voltage, so that a large magnetic field can be generated by the arrangement for generating the magnetic field.
- the electric field that can be generated between the electrode arrangement is sufficient to effect or assist the extinction of the arc.
- Figure 1 is a schematic view of an amongsa games of a switching device according to the invention with a closed contact system
- Figure 2 is a schematic plan view of the execution ⁇ example of the switching device according to the invention.
- FIG. 3 shows a further schematic view of the erfindungsge ⁇ MAESSING switching device with broken Needlessys- system.
- FIG. 1 shows a schematic view of a switching device 1 with a first electrical connection 2 and a second electrical connection 3 for connection to, for example, a switchgear in the field of power distribution.
- Switching device 1 is provided for interrupting the power distribution of the switchgear, for example in the case of a lying short circuit, which is detectable by a control device not shown figuratively and leads to initiate a drive movement in a figuratively also not shown drive the switching device 1, whereby a contact system 4 of the switching device 1 can be interrupted.
- the contact system 4 comprises a fixed contact 5, which is arranged stationary and is conductively connected to the second electrical connection 3 via a current loop 6, and a moving contact 7, which by means of an electrical line 8 and a first sliding contact 9 with the first electrical connection 2 is conductively connected and mechanically coupled by means of a drive rod 10, which is electrically insulating, with the drive of the switching device 1, not shown figuratively.
- sliding contact 9 may also serve a flexible conductor, for example in the form of a current band or the like, for conductive connection.
- a bearing 11 is provided on the drive rod 10 in order to ensure a guided movement of the drive rod and to absorb any transverse forces that may occur.
- the moving contact 7 is moved in a direction of movement when initiating a drive movement and unlatching of the latched in normal operation drive rod in the embodiment of Figure 1 or when the short circuit has been eliminated and the contact system is due to be closed again by a control command, in a downward direction moved, indicated by the movement direction arrow designated 12.
- An arrangement 13 for generating a magnetic field is provided, which is formed by a U-shaped iron core 14, of which only the base 15 can be seen in the figure 1, which is arranged between the fixed contact 5 and the current loop 6 and whose legs of the Base extend around the contact system 4 upwards, as explained in more detail below with reference to Figure 2.
- the arrangement 13 for generating a magnetic field is provided, in the event of a ⁇ occur the short-circuit current to generate a magnetic field, which in a plane perpendicular to the direction of movement of the Bewegkontak- tes is formed.
- a first electrode 16 is electrically conductively connected via a second sliding contact 17 to the electrical line 8 and thus to the moving contact 7 or the first electrical connection 2 and extends laterally from the moving contact 7 in the direction of the fixed contact 5.
- An ⁇ location of the second sliding contact 17 can be used for conductive connection also a fle ible ⁇ conductor, for example in the form of a flexible strip or the like.
- a second electrode 18 is conductively connected to the current loop 6 and thus to fixed contact 5 or the second electrical connection 3 and extends laterally from the fixed contact 5 in the direction of the moving contact 7, the first electrode 16 and the second electrode 18 being arranged in this way are that they extend around the contact system 4 and the formation of an electric field between the first electrode 16 and the second electrode 18 perpendicular to the movement direction 12 of the moving contact 7 as well as perpendicular to the magnetic field generated by the arrangement 13 for generating a magnetic field is possible.
- Figure 2 shows a schematic plan view of the Wegge ⁇ advises 1, wherein in the figure 2, the moving contact 7 and the on ⁇ drive rod 10 can be seen, and the base 15 and a first leg 19 and a second leg 20 of the assembly 13 for generating the Magnetic field, with the first
- Electrode 16 and the second electrode 18 can also be seen in FIG. 2, the first electrode 16 and the second electrode 18 likewise extending around the contact system 4 such that an electric field can be generated which is perpendicular to the direction of movement 12 of the moving contact 7 and perpendicular to the magnetic field of the arrangement 13 from ⁇ chanbar is.
- the moving contact 7 is shown as a circular contact, the function of the switching device 1 with the arc extinguishing device is independent of the geometric shape of fixed contact 5 and moving contact 7, as long as the above conditions for the electrode assembly and the arrangement for generating the magnetic field are met.
- the switching device 1 The function of the switching device 1 is explained in more detail with reference to Figure 3, wherein the 3 shows the switching device 1 with already broken contact system 4, wherein a gap 21 is formed between the moving contact 7 and the fixed contact 5, since after detecting the short-circuit current through a control device ent ⁇ disengages the drive rod 10 and the drive has initiated a drive movement in the drive ⁇ rod 10, wherein the opening of the Needlessys ⁇ tems is supported 4 by the arrangement 13 for generating a magnetic field, which in the case of a short-circuit current at first like a SLOT Motor works and creates a repulsion ⁇ force between moving contact and fixed contact, which supports the opening of the contact system 4.
- geöff ⁇ Neten contact system 4 as shown in Figure 3, an arc is ignited in the space 22 21, shown schematically by the jagged arrows 23 and 24, which forms a metal vapor plasma.
- the first electrical terminal 2 is provided with negative polarity and the second electrical connection 3 with positive polarity, this may be an externally applied
- the upward-moving positive charge carriers experience a force to the right which leads them to the first electrode 16 moves, whereas the negative charge carriers undergo a force to the left due to the magnetic field, which moves them to the second electrode 18, so that a counter electric field arises between the first electrode 16 and the second electrode 18, which corresponds to the external applied driving voltage and so that the arc-firing voltage is directed opposite and leads within a very short time to collapse or to extinguish the arc in the space 21.
- both the drive rod 10 and the electrical leads 8 to the moving contact and possibly to the first electrode 16 to be designed so that both the Be ⁇ movement and the electrical connection of the moving contact 7 vacuum-tight movable introduced into the vacuum-tight housing of Vakum umschaltrschreibe becomes.
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13798977.8A EP2904624B1 (de) | 2012-12-05 | 2013-11-21 | Schaltgerät |
US14/647,929 US9502195B2 (en) | 2012-12-05 | 2013-11-21 | Switching device |
JP2015545730A JP6022708B2 (ja) | 2012-12-05 | 2013-11-21 | スイッチング装置 |
CN201380063143.0A CN104903985B (zh) | 2012-12-05 | 2013-11-21 | 开关装置 |
KR1020157017450A KR20150093727A (ko) | 2012-12-05 | 2013-11-21 | 스위칭 장치 |
ZA2015/03581A ZA201503581B (en) | 2012-12-05 | 2015-05-21 | Switching device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012222328.2A DE102012222328B4 (de) | 2012-12-05 | 2012-12-05 | Schaltgerät |
DE102012222328.2 | 2012-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014086587A1 true WO2014086587A1 (de) | 2014-06-12 |
Family
ID=49683698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/074356 WO2014086587A1 (de) | 2012-12-05 | 2013-11-21 | Schaltgerät |
Country Status (8)
Country | Link |
---|---|
US (1) | US9502195B2 (de) |
EP (1) | EP2904624B1 (de) |
JP (1) | JP6022708B2 (de) |
KR (1) | KR20150093727A (de) |
CN (1) | CN104903985B (de) |
DE (1) | DE102012222328B4 (de) |
WO (1) | WO2014086587A1 (de) |
ZA (1) | ZA201503581B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016212335A1 (de) | 2016-07-06 | 2018-01-11 | Siemens Aktiengesellschaft | Schalter mit Lichtbogenlöschvorrichtung |
US10424442B2 (en) | 2016-03-11 | 2019-09-24 | Lsis Co., Ltd. | Arc eliminator |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105510815A (zh) * | 2015-11-27 | 2016-04-20 | 平高集团有限公司 | 一种故障电弧试验装置 |
CN113363098A (zh) * | 2021-03-30 | 2021-09-07 | 中国石油大学(华东) | 一种井下作业的自熄弧放电开关结构 |
CN117810018A (zh) * | 2023-12-15 | 2024-04-02 | 华中科技大学 | 一种多断口真空断路器路间横向磁场屏蔽结构及优化方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2600683A1 (de) * | 1975-01-20 | 1976-07-22 | Westinghouse Electric Corp | Vakuum-trennschaltung |
EP0231600A1 (de) * | 1985-11-25 | 1987-08-12 | Matsushita Electric Works, Ltd. | Strombegrenzungsschalter |
DE19714655A1 (de) * | 1997-04-09 | 1998-10-15 | Abb Patent Gmbh | Verfahren und Vorrichtung zum Konditionieren einer Vakuumschaltkammer |
DE69728709T2 (de) * | 1996-03-08 | 2005-04-07 | Schneider Electric Industries Sas | Vakuum-lastschalter oder-leistungsschalter |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0125553B1 (de) * | 1983-05-09 | 1988-09-14 | Mitsubishi Denki Kabushiki Kaisha | Schalter des spiralförmigen Lichtbogentyps |
JPS6178016A (ja) | 1984-09-25 | 1986-04-21 | 松下電工株式会社 | 密封型接点装置 |
US5138122A (en) * | 1990-08-29 | 1992-08-11 | Eaton Corporation | Bi-directional direct current switching apparatus having arc extinguishing chambers alternatively used according to polarity applied to said apparatus |
KR0137746B1 (ko) * | 1992-06-25 | 1998-06-15 | 취체역 미요시 도시오 | 밀봉접점장치 |
US5680084A (en) * | 1994-11-28 | 1997-10-21 | Matsushita Electric Works, Ltd. | Sealed contact device and operating mechanism |
EP1760744A1 (de) * | 2005-09-02 | 2007-03-07 | Abb Research Ltd. | Vakuumleistungsschalter mit durch einen Dauermagneten bewegtem Lichtbogen |
EP2860747B1 (de) * | 2008-03-19 | 2016-11-30 | Panasonic Intellectual Property Management Co., Ltd. | Kontaktvorrichtung |
JP5197480B2 (ja) | 2009-05-14 | 2013-05-15 | 株式会社日本自動車部品総合研究所 | 電磁継電器 |
US8866034B2 (en) * | 2011-04-14 | 2014-10-21 | Carling Technologies, Inc. | Arc runner with integrated current path that develops a magnetic field to boost arc movement towards splitter plates |
JP5809443B2 (ja) * | 2011-05-19 | 2015-11-10 | 富士電機株式会社 | 接点機構及びこれを使用した電磁接触器 |
CN102737914A (zh) | 2012-07-02 | 2012-10-17 | 戴丁志 | 消弧式无极性接触器 |
-
2012
- 2012-12-05 DE DE102012222328.2A patent/DE102012222328B4/de not_active Expired - Fee Related
-
2013
- 2013-11-21 EP EP13798977.8A patent/EP2904624B1/de active Active
- 2013-11-21 JP JP2015545730A patent/JP6022708B2/ja not_active Expired - Fee Related
- 2013-11-21 CN CN201380063143.0A patent/CN104903985B/zh active Active
- 2013-11-21 KR KR1020157017450A patent/KR20150093727A/ko not_active Application Discontinuation
- 2013-11-21 US US14/647,929 patent/US9502195B2/en active Active
- 2013-11-21 WO PCT/EP2013/074356 patent/WO2014086587A1/de active Application Filing
-
2015
- 2015-05-21 ZA ZA2015/03581A patent/ZA201503581B/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2600683A1 (de) * | 1975-01-20 | 1976-07-22 | Westinghouse Electric Corp | Vakuum-trennschaltung |
EP0231600A1 (de) * | 1985-11-25 | 1987-08-12 | Matsushita Electric Works, Ltd. | Strombegrenzungsschalter |
DE69728709T2 (de) * | 1996-03-08 | 2005-04-07 | Schneider Electric Industries Sas | Vakuum-lastschalter oder-leistungsschalter |
DE19714655A1 (de) * | 1997-04-09 | 1998-10-15 | Abb Patent Gmbh | Verfahren und Vorrichtung zum Konditionieren einer Vakuumschaltkammer |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10424442B2 (en) | 2016-03-11 | 2019-09-24 | Lsis Co., Ltd. | Arc eliminator |
DE102016212335A1 (de) | 2016-07-06 | 2018-01-11 | Siemens Aktiengesellschaft | Schalter mit Lichtbogenlöschvorrichtung |
WO2018007083A1 (de) | 2016-07-06 | 2018-01-11 | Siemens Aktiengesellschaft | Schalter mit lichtbogenlöschvorrichtung |
DE102016212335B4 (de) * | 2016-07-06 | 2019-08-29 | Siemens Aktiengesellschaft | Schaltgerät mit Lichtbogenlöschvorrichtung sowie Verfahren zum Betreiben eines solchen Schaltgeräts |
US10600588B2 (en) | 2016-07-06 | 2020-03-24 | Siemens Aktiengesellschaft | Switch having an arc-quenching device |
Also Published As
Publication number | Publication date |
---|---|
US9502195B2 (en) | 2016-11-22 |
JP2016502745A (ja) | 2016-01-28 |
ZA201503581B (en) | 2016-09-28 |
DE102012222328A1 (de) | 2014-06-05 |
JP6022708B2 (ja) | 2016-11-09 |
EP2904624A1 (de) | 2015-08-12 |
KR20150093727A (ko) | 2015-08-18 |
CN104903985A (zh) | 2015-09-09 |
CN104903985B (zh) | 2018-07-20 |
EP2904624B1 (de) | 2018-06-13 |
DE102012222328B4 (de) | 2021-06-02 |
US20150318129A1 (en) | 2015-11-05 |
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