CN101140837A - 中高电压真空开关装置 - Google Patents

中高电压真空开关装置 Download PDF

Info

Publication number
CN101140837A
CN101140837A CNA2007100031298A CN200710003129A CN101140837A CN 101140837 A CN101140837 A CN 101140837A CN A2007100031298 A CNA2007100031298 A CN A2007100031298A CN 200710003129 A CN200710003129 A CN 200710003129A CN 101140837 A CN101140837 A CN 101140837A
Authority
CN
China
Prior art keywords
contactor
chamber
mobile
ring
vacuum
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.)
Pending
Application number
CNA2007100031298A
Other languages
English (en)
Inventor
郎德
薄槐夏
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.)
Switchcraft Europe GmbH
Original Assignee
Switchcraft Europe GmbH
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 Switchcraft Europe GmbH filed Critical Switchcraft Europe GmbH
Publication of CN101140837A publication Critical patent/CN101140837A/zh
Pending legal-status Critical Current

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
    • H01H33/60—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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • 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
    • H01H33/662—Housings or protective screens
    • 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
    • H01H33/666—Operating arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H01H2001/5827—Laminated connections, i.e. the flexible conductor is composed of a plurality of thin flexible conducting layers
    • 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
    • H01H2033/6648—Contacts containing flexible parts, e.g. to improve contact pressure
    • 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
    • H01H33/6606—Terminal arrangements

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Contacts (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Abstract

一种真空开关装置被一完全气密的陶瓷容器封闭，内部具有一高等级真空。在这个室的上端，固定有固定接触器(1)。可移动接触器(2)在室的中间部分通过一柔性导电且非气密的连接器(3)连接到一环型导体(4)上，通过它，电流流向突出接触器(5)。可移动接触器的下端被锚定到一陶瓷绝缘体(6)上，当操作的时候与它一起移动。在该室的下端，操作杆(7)通过一金属波纹管(8)通向室内并且固定于陶瓷绝缘体(6)的下端。该操作杆、绝缘体和可移动接触器形成一可移动单元，通过该可移动单元，室中的电流可以被打开和关闭，不需要建立一到操作杆的电气连接。为了防止在室的外部，上接触器和环接触器之间，及环接触器和操作杆之间产生电弧，整个单元被包裹于环氧树脂中。

Description

中高电压真空开关装置
技术领域
本发明的主题是一种真空开关装置，该真空开关装置作为一开关设备中的元件，在这种开关设备中它用于打开或关闭电流。
背景技术
在传统的开关设备中，驱动器在一绝缘气体环境中通过一杠杆操作电流断路器，从电压负载部分到地电压之间有大的间隔距离是必须的，以保证在开关室和机械驱动器之间没有电弧发生。
如此大的绝缘间隔距离和漏电长度导致电路断路器的总体尺寸较大，并且因此开关设备也较大。
发明内容
在传统的开关设备中，由于驱动机械装置和电路断路器真空室之间有机械连接，因此的高绝缘间隔距离，大的间隔距离和尺寸是必需的。新的具有侧面突出接触器和位于室内的集成绝缘操作杆的中高电压真空开关室的应用，使得如此大的绝缘间隔距离被废弃，并且使得开关设备的尺寸更紧凑。
一种中高电压真空开关装置，其特征是包括开关单元，该开关单元在真空室中是可移动的，且包含一操作杆、一陶瓷绝缘体和可移动接触器；该可移动接触器在该室的中部通过一柔性、导电且非气密的连接器连接到一环状导体上，该环状导体通向突出的接触器；该操作杆通过金属波纹管被引进到该室中，并且紧紧连接于该陶瓷绝缘体的下端。在该陶瓷绝缘体的上端，连接该可移动接触器；该柔性连接器大体上位于该真空室的中部，以侧面突出的接触器为特征；该侧面突出的接触器与真空开关室内的绝缘棒一起使得该装置被构造为非常紧凑的形式，因为其他方式中的必要的电弧间隔距离和漏电长度在为非必要。
相反，与传统技术相比，采用新的真空开关室可以避免如此大的绝缘间隔距离和漏电长度，并导致更紧凑的断路器和开关设备。
附图说明
图1为本发明所述实施例的结构图。
具体实施方式
真空室由以完全气密的陶瓷容器组成，其中封闭有高等级的真空。位于室的上端设置有固定接触器1。可移动接触器2通过一柔性导电的连接器3被连接到室的中部的环状导体4上，当排气时允许空气通过它流动。电流从该环状导体4流到突出接触器5。该可移动接触器的下端连接于一陶瓷绝缘体6，当操作时该陶瓷绝缘体与该可移动接触器一起移动。在室的下端，与陶瓷绝缘体的下端连接的操作杆7通过一波纹管8通向室的外部。
操作杆、绝缘体和可移动接触器形成一可移动单元，通过该可移动单元，电流可以在室中被开和关，不过，考虑到陶瓷绝缘体的绝缘长度，不允许对杆和驱动器进行电气连接。
为了防止在上接触器、环接触器和操作杆之间的外部产生电弧，整体真空开关室被包裹在环氧树脂中。
该真空开关设备被一完全气密的陶瓷容器封闭，内部具有一高等级真空。在这个室的上端，固定有固定接触器1。可移动接触器2在室的中间部分，通过一柔性导电且非气密的连接器3连接到一环型导体4上，通过它，电流流向突出接触器5。可移动接触器的下端被锚定到一陶瓷绝缘体6上，当操作的时候与它一起移动。在该室的下端，操作杆7通过一金属波纹管8通向室内并且固定于陶瓷绝缘体6的下端。
该操作杆、绝缘体和可移动接触器形成一可移动单元，通过该可移动单元，室中的电流可以被打开和关闭，不需要建立一到操作杆的电气连接。
为了防止在室的外部，上接触器和环接触器之间，及环接触器和操作杆之间产生电弧，整个单元被包裹于环氧树脂中。

Claims (1)

1.中高电压真空开关装置，其特征是包括开关单元，该开关单元在真空室中是可移动的，且包含一操作杆、一陶瓷绝缘体和可移动接触器；该可移动接触器在该室的中部通过一柔性、导电且非气密的连接器连接到一环状导体上，该环状导体通向突出的接触器；该操作杆通过金属波纹管被引进到该室中，并且紧紧连接于该陶瓷绝缘体的下端；在该陶瓷绝缘体的上端，连接该可移动接触器；该柔性连接器大体上位于该真空室的中部，以侧面突出的接触器为特征；该侧面突出的接触器与真空开关室内的绝缘棒一起使得该装置被构造为非常紧凑的形式，因为其他方式中的必要的电弧间隔距离和漏电长度在为非必要。
CNA2007100031298A 2006-09-07 2007-01-31 中高电压真空开关装置 Pending CN101140837A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006042101.9 2006-09-07
DE102006042101A DE102006042101B4 (de) 2006-09-07 2006-09-07 Vakuumschalter für Mittel- und Hochspannungen

Publications (1)

Publication Number Publication Date
CN101140837A true CN101140837A (zh) 2008-03-12

Family

ID=38830413

Family Applications (3)

Application Number Title Priority Date Filing Date
CNA2007100031298A Pending CN101140837A (zh) 2006-09-07 2007-01-31 中高电压真空开关装置
CNA2007800333811A Pending CN101523537A (zh) 2006-09-07 2007-09-07 真空断路器
CN2007800333328A Expired - Fee Related CN101617377B (zh) 2006-09-07 2007-09-07 真空断路器

Family Applications After (2)

Application Number Title Priority Date Filing Date
CNA2007800333811A Pending CN101523537A (zh) 2006-09-07 2007-09-07 真空断路器
CN2007800333328A Expired - Fee Related CN101617377B (zh) 2006-09-07 2007-09-07 真空断路器

Country Status (10)

Country Link
US (2) US8198562B2 (zh)
EP (2) EP2059935B1 (zh)
JP (2) JP2010503161A (zh)
KR (3) KR100887414B1 (zh)
CN (3) CN101140837A (zh)
AT (2) ATE488853T1 (zh)
BR (2) BRPI0714750A2 (zh)
DE (3) DE102006042101B4 (zh)
MX (2) MX2009002546A (zh)
WO (2) WO2008028676A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871775A (zh) * 2012-12-14 2014-06-18 伊顿公司 真空灭弧室和具有真空灭弧室的真空断路器
CN108511261A (zh) * 2018-03-27 2018-09-07 西安交通大学 一种基于一体化电极结构的直流断路器及其使用方法
CN111564334A (zh) * 2020-05-09 2020-08-21 云南电网有限责任公司电力科学研究院 一种真空灭弧室触头装置

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8248760B2 (en) * 2010-07-07 2012-08-21 Eaton Corporation Switch arrangement for an electrical switchgear
EP2434513B1 (en) * 2010-09-24 2019-04-17 ABB Schweiz AG Electrical contact arrangement for vacuum interrupter arrangement
DE102011101856A1 (de) * 2011-01-21 2012-07-26 Abb Technology Ag Kontaktsystem für Stromleiter
JP5789999B2 (ja) * 2011-01-31 2015-10-07 セイコーエプソン株式会社 液体噴射装置
WO2012164764A1 (ja) * 2011-06-02 2012-12-06 三菱電機株式会社 タンク型真空遮断器
EP2551871A1 (en) * 2011-07-29 2013-01-30 ABB Technology AG Braided tape contact disk
US9335378B2 (en) * 2011-12-13 2016-05-10 Finley Lee Ledbetter Flexible magnetic field coil for measuring ionic quantity
EP2674955B1 (en) * 2012-06-11 2020-12-02 ABB Schweiz AG Vacuum interrupter with double coaxial contact arrangement at each side
US9761394B2 (en) * 2013-02-08 2017-09-12 Hubbell Incorporated Current interrupter for high voltage switches
CN103337406A (zh) * 2013-06-17 2013-10-02 北海银河产业投资股份有限公司 真空灭弧室软连接
CN103762116B (zh) * 2014-01-20 2016-06-22 浙江紫光电器有限公司 一种高压真空灭弧室的触头
CN103956305B (zh) * 2014-04-11 2017-02-08 江苏大正电气有限公司 一种用于智能控制与保护装置的动触头连接板
GB2527800A (en) * 2014-07-02 2016-01-06 Eaton Ind Netherlands Bv Circuit breaker
KR102245184B1 (ko) * 2014-11-21 2021-04-27 삼성전자주식회사 안테나를 갖는 전자 장치
WO2016171047A1 (ja) * 2015-04-23 2016-10-27 株式会社日立製作所 スイッチギヤ
FR3037709B1 (fr) * 2015-06-22 2018-05-11 Schneider Electric Industries Sas Ampoule a vide et appareillage de protection electrique comportant une telle ampoule
CN105374615B (zh) * 2015-12-09 2017-07-11 中国西电电气股份有限公司 一种高压大电流的选相合闸装置
US10284696B2 (en) * 2016-09-08 2019-05-07 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Shell, method for manufacturing the same and mobile terminal having the same
CN107170637A (zh) * 2017-07-04 2017-09-15 合肥东玖电气有限公司 一种真空断路器
DE102017214607A1 (de) * 2017-08-22 2019-02-28 Siemens Aktiengesellschaft Lagereinrichtung zum Lagern eines Bewegkontakts an einem elektrischen Bauelement für einen Leistungsschalter, Leistungsschalter und Schaltanlage
CN108914123A (zh) * 2018-07-27 2018-11-30 苏州瑞沁精密机械有限公司 一种金属零件表面防腐蚀处理方法
CN109637249B (zh) * 2019-01-14 2021-10-01 上海中侨职业技术学院 一种空气流量计传感器故障模拟检测接头及其使用方法
CA3137905A1 (en) * 2019-04-26 2020-10-29 G & W Electric Company Modular switchgear
US12112906B2 (en) 2019-04-26 2024-10-08 G & W Electric Company Integrated switchgear assembly
WO2020219916A1 (en) * 2019-04-26 2020-10-29 G & W Electric Company Integrated switchgear assembly
KR102716098B1 (ko) * 2019-06-13 2024-10-15 에이치디현대일렉트릭 주식회사 가스 절연 차단기
EP4128303A4 (en) 2020-03-31 2024-04-17 Hubbell Incorporated SYSTEM AND METHOD FOR OPERATING AN ELECTRICAL SWITCH
US11694864B2 (en) * 2020-09-30 2023-07-04 Eaton Intelligent Power Limited Vacuum interrupter with trap for running cathode tracks
US20230116363A1 (en) * 2021-10-07 2023-04-13 S&C Electric Company Insulated drive vacuum interrupter
CN118538569A (zh) * 2024-07-24 2024-08-23 宇邦电气有限公司 一种全包覆式三工位真空断路器

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239635A (en) * 1964-11-17 1966-03-08 Baude John Disc shaped arcing contact structure producing predetermined arc blowout characteristic
CH474832A (de) * 1968-09-11 1969-06-30 Bbc Brown Boveri & Cie Vakuumschalter
FR2339243A1 (fr) 1976-01-26 1977-08-19 Merlin Gerin Conducteur de connexion flexible
US4153827A (en) 1976-01-26 1979-05-08 Merlin Gerin Magnetic blow-out arc extinguishing device
US4384179A (en) * 1981-02-12 1983-05-17 Westinghouse Electric Corp. Stiff flexible connector for a circuit breaker or other electrical apparatus
DE3112776C2 (de) * 1981-03-31 1986-05-22 Wickmann-Werke Böblingen GmbH, 7030 Böblingen Mittelspannungs-Schaltvorrichtung mit einem Vakuum-Unterbrecher zwischen einer Sammelschiene und einem Kabelanschlußstutzen
GB8819166D0 (en) * 1988-08-12 1988-09-14 Ass Elect Ind Magnetic actuator & permanent magnet
DE4021945C2 (de) 1990-07-10 1999-12-30 Alstom Sachsenwerk Gmbh Schaltvorrichtung zur Unterbrechung von Fehlerströmen
US5294761A (en) * 1991-11-11 1994-03-15 Kabushiki Kaisha Toshiba Vacuum interrupter
DE4329349A1 (de) 1993-08-27 1995-03-02 Siemens Ag Gasdicht gekapseltes Schaltteil
US5387772A (en) 1993-11-01 1995-02-07 Cooper Industries, Inc. Vacuum switch
DE4405206A1 (de) 1994-02-18 1995-08-24 Abb Research Ltd Schaltvorrichtung
DE4419380C1 (de) * 1994-05-30 1995-10-19 Siemens Ag Leistungsschaltermodul
DE19505370C2 (de) * 1995-02-17 2000-11-02 Abb Patent Gmbh Vakuumschalter
US5530216A (en) * 1995-03-07 1996-06-25 Eaton Corporation Flexible connector for a circuit breaker
DE19712182A1 (de) * 1997-03-22 1998-09-24 Abb Patent Gmbh Vakuumkammer
SG87815A1 (en) 1998-03-26 2002-04-16 Mitsubishi Electric Corp Flexible conductor and switchgear made with thereof
CN1272950A (zh) 1998-10-02 2000-11-08 株式会社日立制作所 真空开关及用这种开关的真空开关装置
TW512565B (en) 1999-04-01 2002-12-01 Mitsubishi Electric Corp Switch gear and power switching apparatus
JP3788148B2 (ja) * 1999-12-16 2006-06-21 株式会社日立製作所 真空スイッチ及びその運転方法
US6444939B1 (en) * 2000-05-09 2002-09-03 Eaton Corporation Vacuum switch operating mechanism including laminated flexible shunt connector
JP4494673B2 (ja) * 2001-07-12 2010-06-30 三菱電機株式会社 電力用開閉装置
RU2249874C2 (ru) * 2003-03-26 2005-04-10 Общество С Ограниченной Ответственностью "Промышленная Группа Тэл Таврида Электрик" Вакуумный выключатель
JP4394963B2 (ja) 2004-01-08 2010-01-06 三菱電機株式会社 スイッチギヤ
JP2005197128A (ja) 2004-01-08 2005-07-21 Mitsubishi Electric Corp 複合絶縁スイッチギヤ
EP1766646B1 (de) * 2004-07-05 2016-05-04 ABB Research Ltd. Vakuumschaltkammer und kontaktanordnung für einen vakuumschalter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871775A (zh) * 2012-12-14 2014-06-18 伊顿公司 真空灭弧室和具有真空灭弧室的真空断路器
WO2014090089A1 (zh) * 2012-12-14 2014-06-19 伊顿公司 真空灭弧室和具有真空灭弧室的真空断路器
CN103871775B (zh) * 2012-12-14 2016-05-11 伊顿公司 真空灭弧室和具有真空灭弧室的真空断路器
CN108511261A (zh) * 2018-03-27 2018-09-07 西安交通大学 一种基于一体化电极结构的直流断路器及其使用方法
CN111564334A (zh) * 2020-05-09 2020-08-21 云南电网有限责任公司电力科学研究院 一种真空灭弧室触头装置

Also Published As

Publication number Publication date
JP2010503162A (ja) 2010-01-28
ATE488848T1 (de) 2010-12-15
EP2059935B1 (de) 2010-11-17
KR20080023091A (ko) 2008-03-12
MX2009002545A (es) 2009-06-01
WO2008028672A8 (de) 2009-05-07
CN101523537A (zh) 2009-09-02
US8198562B2 (en) 2012-06-12
US20100000972A1 (en) 2010-01-07
DE502007005700D1 (de) 2010-12-30
EP2059938B1 (de) 2010-11-17
KR20090075665A (ko) 2009-07-08
CN101617377B (zh) 2013-03-06
BRPI0714749A2 (pt) 2013-05-14
EP2059938A1 (de) 2009-05-20
JP2010503161A (ja) 2010-01-28
MX2009002546A (es) 2009-06-01
DE102006042101A1 (de) 2008-03-27
CN101617377A (zh) 2009-12-30
KR20090075664A (ko) 2009-07-08
WO2008028672A1 (de) 2008-03-13
DE502007005699D1 (de) 2010-12-30
EP2059935A1 (de) 2009-05-20
ATE488853T1 (de) 2010-12-15
US8110769B2 (en) 2012-02-07
BRPI0714750A2 (pt) 2013-05-14
WO2008028676A1 (de) 2008-03-13
KR100887414B1 (ko) 2009-03-06
DE102006042101B4 (de) 2008-09-25
WO2008028676A8 (de) 2009-07-02
US20100025375A1 (en) 2010-02-04

Similar Documents

Publication Publication Date Title
CN101140837A (zh) 中高电压真空开关装置
JP4764906B2 (ja) 真空スイッチ及び真空スイッチギヤ
CN100530480C (zh) 一种新型单断口电压至252kV的高压真空断路器
CN103077846B (zh) 高压开关装置
JP2016519403A (ja) 新規の高圧電気スイッチ用オンオフ伝動装置
CN101297386B (zh) 真空绝缘开关设备
CN201514889U (zh) 真空断路器用灭弧室固封极柱
CN102844831A (zh) 保持器、真空断续器及包含它们的电气开关装置
WO1999017412A1 (fr) Appareil de commutation
CN103198970B (zh) 双断口结构的真空泡
WO2001035431A1 (fr) Appareillage de commutation
JP2005108766A (ja) ２点切り真空遮断器
US10910184B2 (en) Sealed relay
KR101771641B1 (ko) 밀봉형 릴레이
CN107564751B (zh) 负荷开关设备
EP3093866B1 (en) An electric pole unit for medium voltage gas-insulated circuit breakers
CN104871275B (zh) 具有集成的三位置开关的组装极部件的中压开关装置
CN101807489A (zh) 三工位开关管
CN102881510B (zh) 一种三工位真空灭弧室
CN100474721C (zh) 带有组合在内的隔离开关的户外套管
KR100528724B1 (ko) 진공 차단기의 진공 인터럽터
CN104201043A (zh) 一种具有串联双断口的智能开关
JP4048728B2 (ja) 真空バルブ
JP2012033363A (ja) 碍子型開閉装置
CN201311870Y (zh) 真空断路器

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20080312