CN101894706A - 双断口真空灭弧室 - Google Patents

双断口真空灭弧室 Download PDF

Info

Publication number
CN101894706A
CN101894706A CN 201010147463 CN201010147463A CN101894706A CN 101894706 A CN101894706 A CN 101894706A CN 201010147463 CN201010147463 CN 201010147463 CN 201010147463 A CN201010147463 A CN 201010147463A CN 101894706 A CN101894706 A CN 101894706A
Authority
CN
China
Prior art keywords
double
arc extinguish
extinguish chamber
vacuum arc
radome
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
CN 201010147463
Other languages
English (en)
Inventor
刘箭飞
魏杰
杨冬梅
谢国良
刘志远
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.)
Xian Jiaotong University
Beijing Sojo Electric Co Ltd
Original Assignee
Xian Jiaotong University
Beijing Sojo Electric Co Ltd
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 Xian Jiaotong University, Beijing Sojo Electric Co Ltd filed Critical Xian Jiaotong University
Priority to CN 201010147463 priority Critical patent/CN101894706A/zh
Priority to PCT/CN2010/072105 priority patent/WO2011127667A1/zh
Priority to EP10846310.0A priority patent/EP2560179A4/en
Publication of CN101894706A publication Critical patent/CN101894706A/zh
Pending legal-status Critical Current

Links

Images

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
    • H01H33/662—Housings or protective screens
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • 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
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • H01H2033/66276—Details relating to the mounting of screens in vacuum switches
    • 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
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • H01H2033/66284—Details relating to the electrical field properties of screens in vacuum switches

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Abstract

本发明公开了一种双断口真空灭弧室，主要应用于中压电力开关设备中，包括绝缘外壳、设置在绝缘外壳内的静组件和动组件，其中所述绝缘外壳内腔上部的凸棱上设置有中间隔离屏蔽罩，所述中间隔离屏蔽罩位于静组件与动组件之间，所述中间隔离屏蔽罩为圆环。本发明双断口真空灭弧室通过在其绝缘外壳内上部设置中间隔离屏蔽罩使得该真空灭弧室承受的静态击穿电压变大。

Description

双断口真空灭弧室
技术领域
本发明涉及一种真空灭弧室，尤指一种双断口真空灭弧室。
背景技术
常用的真空灭弧室多为单断口，真空灭弧室的绝缘性与断口间隙的关系为：Vb＝a*dm，其中d为间隙，a和m为常数，m＜1，这就是说真空灭弧室的绝缘性能不是随着真空间隙长度增加而线性增长，存在饱和效应，而利用多个真空间隙串联形成的多间隙效应(Multi-gap Effect)可以提高整体工作电压。设一个长间隙被分成n部分，每个间隙的长度为dn，则间隙总长度d＝n×dn。对于多间隙系统，每个间隙上能过承受的最大电压可能不相等，总的击穿电压将由承受最大电场Emax的间隙决定，只要某一时刻n个断口没有同时发生击穿，真空间隙就会有可靠的耐压性能。利用多间隙效应可改善真空灭弧室内部的整体电场分布。
发明内容
本发明的目的在于提供一种双断口真空灭弧室，其可以提高真空灭弧室内的静态击穿电压。
为了实现上述目的，本发明的技术解决方案为：一种双断口真空灭弧室，包括绝缘外壳、设置在绝缘外壳内的静组件和动组件，其中所述绝缘外壳内腔上部的凸棱上设置有中间隔离屏蔽罩，所述中间隔离屏蔽罩位于静组件与动组件之间，所述中间隔离屏蔽罩为圆环。
本发明双断口真空灭弧室，其中所述中间隔离屏蔽罩设置于所述凸棱上部，且所述中间隔离屏蔽罩与所述凸棱之间设有截面为弧形的上小下大的桶形支撑。
采用上述方案后，本发明双断口真空灭弧室通过在绝缘外壳内腔上部凸棱上设置圆环形的中间隔离屏蔽罩，真空灭弧室内腔由单断口变为双断口，其真空间隙由一个变为两个，设置双断口可以把最大场强由触头间隙转移到中间隔离屏蔽罩与静端隔离屏蔽罩或接地隔离屏蔽罩之间的间隙上，改善了主隔离间隙的电场应力，提高真空灭弧室的静态击穿电压。
附图说明
图1是本发明双断口真空灭弧室的结构示意图。
下面结合附图，通过实施例对本发明做进一步的说明；
具体实施方式
请参阅图1所示本发明双断口真空灭弧室的结构示意图，包括绝缘外壳1、设置在绝缘外壳1内的静组件2和动组件3，绝缘外壳1内腔上部的凸棱11上部设有截面为弧形的上小下大的桶形支撑5，在桶形支撑5上设有圆环形的中间隔离屏蔽罩4，中间隔离屏蔽罩4位于静组件2下方及动组件3上方。
本发明双断口真空灭弧室通过在绝缘外壳1内腔上部凸棱11上设置圆环形的中间隔离屏蔽罩4，使得真空灭弧室内腔由单断口变为双断口，其真空间隙由一个变为两个，设置双断口可以把最大场强由触头间隙转移到中间隔离屏蔽罩与静端隔离屏蔽罩或接地隔离屏蔽罩之间的间隙上，改善了主隔离间隙的电场应力，提高真空灭弧室的静态击穿电压。
以上所述的实施例仅仅是对本发明的优选实施方式进行描述，并非对本发明的范围进行限定，在不脱离本发明设计精神的前提下，本领域普通工程技术人员对本发明的技术方案作出的各种变形和改进，均应落入本发明的权利要求书确定的保护范围内。

Claims (2)

1.一种双断口真空灭弧室，包括绝缘外壳(1)、设置在绝缘外壳(1)内的静组件(2)和动组件(3)，其特征在于：所述绝缘外壳(1)内腔上部的凸棱(11)上设置有中间隔离屏蔽罩(4)，所述中间隔离屏蔽罩(4)位于静组件(2)与动组件(3)之间，所述中间隔离屏蔽罩(4)为圆环。
2.如权利要求1所述的双断口真空灭弧室，其特征在于：所述中间隔离屏蔽罩(4)设置于所述凸棱(11)上部，且所述中间隔离屏蔽罩(4)与所述凸棱(11)之间设有截面为弧形的上小下大的桶形支撑(5)。
CN 201010147463 2010-04-15 2010-04-15 双断口真空灭弧室 Pending CN101894706A (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN 201010147463 CN101894706A (zh) 2010-04-15 2010-04-15 双断口真空灭弧室
PCT/CN2010/072105 WO2011127667A1 (zh) 2010-04-15 2010-04-23 双断口真空灭弧室
EP10846310.0A EP2560179A4 (en) 2010-04-15 2010-04-23 DOUBLE SWITCHED VACUUM ARC EXTINGUISHING CHAMBER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010147463 CN101894706A (zh) 2010-04-15 2010-04-15 双断口真空灭弧室

Publications (1)

Publication Number Publication Date
CN101894706A true CN101894706A (zh) 2010-11-24

Family

ID=43103863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010147463 Pending CN101894706A (zh) 2010-04-15 2010-04-15 双断口真空灭弧室

Country Status (3)

Country Link
EP (1) EP2560179A4 (zh)
CN (1) CN101894706A (zh)
WO (1) WO2011127667A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103035441A (zh) * 2012-12-17 2013-04-10 大连理工大学 一字型串联短间隙双断口真空灭弧室

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103198970B (zh) * 2013-03-20 2015-03-18 上海华明电力设备制造有限公司 双断口结构的真空泡

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233480A (en) * 1978-09-20 1980-11-11 Westinghouse Electric Corp. Low voltage vacuum switch with three internal contacts including a center floating contact
CN1308355A (zh) * 2000-02-08 2001-08-15 东芝株式会社 真空开关装置
CN1469405A (zh) * 2002-06-27 2004-01-21 ʩ�͵µ�����ҵ��˾ 用于开关或断路器等电力保护设备的真空管壳
CN101789328A (zh) * 2010-03-25 2010-07-28 北京双杰电气股份有限公司 全固体开关柜专用三工位真空灭弧室

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4216360A (en) * 1978-07-27 1980-08-05 Westinghouse Electric Corp. Low voltage vacuum switch with internal arcing shield
US4896008A (en) * 1987-09-29 1990-01-23 Mitsubishi Denki Kabushiki Kaisha Vacuum discharge device
NL8901748A (nl) * 1989-07-07 1991-02-01 Holec Syst & Componenten Werkwijze voor het bevestigen van een metalen scherm in het huis van een vacuuemschakelaar, scherm daarvoor alsmede van een dergelijk scherm voorziene vacuuemschakelaar.
DE29910718U1 (de) * 1999-06-11 1999-12-09 Siemens AG, 80333 München Vakuumschaltröhre mit einem Dampfschirm
EP1367039B1 (en) * 2000-01-26 2005-11-16 Ngk Spark Plug Co., Ltd Ceramic member for bonding, process for producing the same, vacuum switch and vacuum vessel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233480A (en) * 1978-09-20 1980-11-11 Westinghouse Electric Corp. Low voltage vacuum switch with three internal contacts including a center floating contact
CN1308355A (zh) * 2000-02-08 2001-08-15 东芝株式会社 真空开关装置
CN1469405A (zh) * 2002-06-27 2004-01-21 ʩ�͵µ�����ҵ��˾ 用于开关或断路器等电力保护设备的真空管壳
CN101789328A (zh) * 2010-03-25 2010-07-28 北京双杰电气股份有限公司 全固体开关柜专用三工位真空灭弧室

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103035441A (zh) * 2012-12-17 2013-04-10 大连理工大学 一字型串联短间隙双断口真空灭弧室

Also Published As

Publication number Publication date
WO2011127667A1 (zh) 2011-10-20
EP2560179A1 (en) 2013-02-20
EP2560179A4 (en) 2014-06-11

Similar Documents

Publication Publication Date Title
WO2012006361A3 (en) Ion wind fan designs
KR101498228B1 (ko) 중간 전압에서 높은 전압에 이르는 응용을 위한 회로 차단기 장치
GB2480949B (en) Ion tunnel ion guide
WO2018051959A1 (ja) 避雷器
RU2013120041A (ru) Компактный ваккумный прерыватель с избирательным инкапсулированием
CN101819904A (zh) 隔离接地用三工位真空灭弧室
MX2012008456A (es) Tubo conmutador de vacio.
US20170148590A1 (en) Maximizing wall thickness of a cu-cr floating center shield component by moving contact gap away from center flange axial location
US10236102B2 (en) Lightning arrester
CN109716475B (zh) 真空开关
CN101894706A (zh) 双断口真空灭弧室
US10211603B2 (en) Surge protection element
KR20160021663A (ko) 진공차단기의 진공인터럽터
US9076602B2 (en) Electrical isolator
CN201549438U (zh) 环氧包封触臂套
CN205335165U (zh) 改进的断续器
JP2016115596A (ja) 真空インタラプタの電界緩和装置
KR101623404B1 (ko) 진공인터럽터
CN102723635B (zh) 一种真空高压电极法兰
CN209804526U (zh) 一种新型隔离开关触头结构
JP2011040302A (ja) 接地開閉装置
JP2016018649A (ja) 真空絶縁開閉装置
AU2017334269A1 (en) Enclosed switch visible break isolator
RU2014137466A (ru) Элегазовый выключатель с защитной конструкцией номинальных контактов
CN201741626U (zh) 一种24kv固封极柱用真空开关管

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20101124