WO2009003345A1 - Armoire réseau en boucle entièrement fermée d'isolation robuste - Google Patents

Armoire réseau en boucle entièrement fermée d'isolation robuste Download PDF

Info

Publication number
WO2009003345A1
WO2009003345A1 PCT/CN2007/070675 CN2007070675W WO2009003345A1 WO 2009003345 A1 WO2009003345 A1 WO 2009003345A1 CN 2007070675 W CN2007070675 W CN 2007070675W WO 2009003345 A1 WO2009003345 A1 WO 2009003345A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
isolating
network cabinet
grounding
ring network
Prior art date
Application number
PCT/CN2007/070675
Other languages
English (en)
Chinese (zh)
Inventor
Zhihong Zhao
Jie Wei
Lianhua Zhao
Jixing Liang
Xiangyang Qin
Zhongkai Liu
Original Assignee
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 Beijing Sojo Electric Co., Ltd. filed Critical Beijing Sojo Electric Co., Ltd.
Publication of WO2009003345A1 publication Critical patent/WO2009003345A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing 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
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
    • 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
    • H01H33/022—Details particular to three-phase circuit breakers
    • 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
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches

Definitions

  • the present invention relates to a circuit arrangement for an AC mains or AC distribution network, and more particularly to a solid insulated fully enclosed ring network cabinet.
  • the object of the present invention is to provide a solid insulated fully enclosed ring network cabinet which is non-toxic, harmless, small in size, simple in process and low in maintenance cost.
  • a solid insulated fully enclosed ring network cabinet comprising at least one incoming line and at least one outgoing line, each of which includes a three-phase high voltage vacuum switch unit, the high voltage vacuum switch unit
  • the housing, the cover, the track frame, the main switch, the isolating blade, the grounding contact, the bus bar, the T-shaped contact, the soft copper strip, the double-pass bushing and the grounding drive shaft, the cover is mounted above the housing, the track One end of the frame is fixed on the cover body, the bus bar and the ground contact are respectively mounted on the lower end of the casing, and the main switch and the isolating knife are respectively installed in the space formed by the cover body and the casing, and the double-pass bushing is mounted on the casing.
  • the grounding drive shaft is mounted on the cover body at the upper end of the binding post, the ⁇ -shaped contact is mounted in the housing, one end of the soft copper strip is connected to the main switch, and the other end is connected to the ⁇ -shaped contact, wherein: the main switch The upper end is connected to the other end of the track frame, and the lower end of the main switch is connected to the bus bar; one end of the isolating knife is hinged to the double-pass bushing, and the upper end is connected to the grounding drive shaft, and the lower end thereof is connected with the grounding contact or the tau shape Head connected;
  • the isolating knife comprises: an arm, an isolating tie rod, an isolated drive shaft, a gear mechanism and an isolating blade, and the two ends of the isolating rod are respectively hinged with the arm and the isolating blade
  • the other end of the arm is connected to the isolated drive shaft, and the isolated drive shaft is rotated by the ground drive shaft through a gear mechanism.
  • the isolated drive shaft is supported on the cover body, and the one end of the isolation blade is hinged at the double On the through sleeve, the other end is openably connected to the ground contact or the ⁇ -shaped contact on the housing;
  • the solid insulated fully enclosed ring network cabinet of the present invention wherein: the main switch comprises: a square pull rod, a connecting piece, a guiding sleeve, an isolating square shaft, an insulating rod, a driving shaft arm, a contact spring, a split spring, a double-head screw a copper connecting post and a vacuum bubble, the trip spring is fixed at one end to the square pull rod, and the other end is fixed on the track frame welded on the support plate of the housing, and one end of the drive shaft arm is sleeved on the isolated square shaft, and One end is hinged on one end of the square pull rod, the isolated square shaft is fixed on the cover body, the other end of the square pull rod is hinged with the other end of the connecting piece, the other end of the
  • the solid insulated fully enclosed ring network cabinet of the present invention wherein: the upper end of the vacuum bubble is provided with a moving contact, the lower end is provided with a static contact, the lower part of the double-headed screw and the soft copper band are connected with the moving contact, the copper connecting column and Static contacts are connected;
  • the solid insulated fully enclosed ring network cabinet of the present invention wherein: the casing is made of epoxy resin, and the copper connecting post and the bus bar connected thereto are covered with a silicone rubber layer;
  • the solid insulated fully enclosed ring network cabinet of the present invention wherein: the outer wall of the vacuum bubble is surrounded by a layer of silicone rubber bonded to the casing;
  • the solid insulated fully enclosed ring network cabinet of the present invention wherein: the epoxy resin has a wall thickness of 10 mm - 15 mm, and the silicon rubber layer has a wall thickness of 8 to 10;
  • the solid insulated fully enclosed ring network cabinet of the present invention wherein: the epoxy resin is 208:.
  • the solid insulated fully enclosed ring network cabinet of the present invention has a high-voltage vacuum switch with a fully enclosed solid package, which does not cause creepage, thereby improving the insulation level, and has significant safety and energy saving performance.
  • the effect is that the air, moisture, dust and hot and cold air sources are isolated, effectively reducing the corrosion of the power supply body, stabilizing the output of the power supply voltage, reducing the number of maintenance of the equipment, reducing the cost, and prolonging the ring network cabinet. Service life; to achieve visualization, security, and high economic benefits.
  • Figure 1 is a general view of the solid insulated fully enclosed ring network cabinet of the present invention
  • Figure 2 is a bottom view of Figure 1;
  • FIG. 3 is a plan view of Figure 1; 4 is a schematic structural view of a single high-pressure vacuum switch unit of the solid insulated fully enclosed ring network cabinet of the present invention; and FIG. 5 is a side view of FIG.
  • FIG. 1 is a general view of a solid insulated fully enclosed ring network cabinet according to the present invention, which includes a three-way high-pressure vacuum switch, and the bottom view of the ring network cabinet and the top view of the ring network cabinet shown in FIG. 2 and FIG. 3 can be seen.
  • the wiring mode of the solid insulated ring network cabinet busbar, the high voltage vacuum switch 1 is composed of a housing 2, a cover 23, a track frame 22, a main switch 3, an isolating knife 4, a grounding contact 16, a bus bar 7, a T-shaped contact 17, The soft copper strip 20, the double-pass bushing 33 and the grounding drive shaft 14 are formed.
  • the cover body 23 is mounted above the casing 2.
  • the track frame 22 is fixed on the cover body 23, and the bus bar 7 and the ground contact 16 are respectively mounted on The lower end of the casing 2, the main switch 3 and the isolating blade 4 are housed in the space formed by the casing 23 and the casing 2, the double-pass bushing 33 is mounted on one side of the casing 2, and the grounding transmission shaft 14 is mounted on the double-passing sleeve
  • the T-shaped contact 17 is housed in the housing 2
  • one end of the soft copper strip 20 is connected to the main switch 3, and the other end is connected to the T-shaped contact 17, the upper end of the main switch 3 and the trajectory
  • the other end of the frame 22 is connected, and the lower end of the main switch 3 is connected to the bus bar 7; one end of the isolating blade 4
  • the double-pass bushing 33 is hinged, the upper end of which is connected to the grounding drive shaft 14, the lower end of which is connected to the grounding contact 16 or the T-shaped contact 17, the wall thickness of the cas
  • the main switch 3 includes: a drive shaft arm 31, a square pull rod 28, a connecting piece 32, a guide sleeve 24, an insulating rod 21, an isolation square shaft 38, and a touch.
  • the head spring 25, the branch spring 26, the double-headed screw 27, the vacuum bubble 18 and the copper connecting post 6, the split spring 26-end is fixed to the square pull rod 28, and the other end is fixed to the track welded on the housing support plate.
  • the drive shaft arm 31 is sleeved on the isolation square shaft 38, the other end is hinged on one end of the square rod 28, the isolation square shaft 38 is fixed on the cover body 23, and the other end of the square pull rod 28 is connected.
  • the piece 32 is hinged, the other end of the connecting piece 32 is connected with the screw, and the screw thread is connected to the guiding sleeve 24.
  • the upper end of the insulating rod 21 extends into the guiding sleeve 24 and is guided by the guiding sleeve 24, and the lower end of the insulating rod 21 and the double-headed screw 27 connection, the upper end and the lower end of the insulating rod 21 are pull rods for removing the insulating layer, the insulating rod 21 is covered with a plurality of silicone rings 37 made of silicone rubber, and a silicone umbrella ring 34 is arranged between the plurality of silicone rings 37, at the uppermost end A contact spring 25 is disposed between the silicone umbrella ring 34 and the guide sleeve 24.
  • the lower portion of the double-headed screw 27 is connected to the movable contact 29 of the upper end of the vacuum bubble 18 and the soft copper strip 20, and the movable contact 29 of the lower end of the vacuum bubble 18 Connected to the copper connection post 6, the copper connection post 6 is connected to the bus bar 7.
  • a layer of silicone glue 8 is placed around the inner wall of the vacuum bubble 18.
  • the other end of the copper connecting post 6 is connected to the bus bar 7, and the copper connecting post 6 and the bus bar 7 are covered with a silicone rubber layer 8, and the silicone rubber layer 8 has a wall thickness of 8 mm.
  • the isolating blade 4 includes: a crank arm 9, an isolating tie rod 10, an isolating transmission shaft 12, a gear mechanism 13 and an isolating blade 11, and the two ends of the isolating tie rod 10 are respectively hinged with the arm 9 and the isolating blade 11 Together, the other end of the arm 9
  • the isolated drive shaft 12 is connected to the driven shaft 12 through the gear mechanism 13 to drive the ground.
  • the isolated drive shaft 12 is supported on the cover body 23.
  • the one end of the isolating blade 11 is hinged on the double-passing sleeve 33. The other end is openably connected to the ground contact 16 or the T-shaped contact 7 on the housing 2, respectively.
  • the working principle of the high-pressure vacuum switch of the solid insulated ring network cabinet of the present invention is: When the movable contact 29 of the main switch 3 is disconnected from the static contact 35, the main switch 3 is disconnected.
  • the grounding drive shaft 14 rotates clockwise, and the isolated drive shaft 12 and the arm 9 are driven by the gear processing 13, and the arm 9 drives the isolation rod 10 to move, and the isolation rod 10 is isolated.
  • the isolation blade 11 is driven to move upward, and the isolation blade 11 is connected to the T-shaped contact 17, completing the closing process.
  • the grounding drive shaft 14 rotates counterclockwise, and the isolated drive shaft 12 and the arm 9 are driven by the gear processing 13.
  • the arm 9 drives the isolation rod 10 to move, and the isolation rod 10 drives the isolation blade 11 to move downward, so that the isolation blade 11 and the ground contact 16 connections, complete the process of opening.
  • the solid insulated fully enclosed ring network cabinet of the invention adopts a fully enclosed solid package high voltage vacuum switch 1, and has a simple transmission structure, small occupied space, flexible movement, convenient installation, debugging and maintenance;
  • the insulating rod 21 is made of silicone rubber.
  • a plurality of silicone rings 37 increase the insulation performance of the insulating tie rods 21, which does not cause creepage, thereby improving the insulation level, and has a remarkable effect on safety and energy saving performance; and the casing 2 is made of epoxy.
  • the resin, the copper connecting post 6, the busbar 7 and the vacuum bubble 18 are coated with silica gel.
  • the high-pressure vacuum switch 1 of the solid insulated fully enclosed ring network cabinet of the present invention isolates air, moisture, dust and hot and cold gas sources, effectively The ground slows down the corrosion of the power supply body, stabilizes the output of the power supply voltage, reduces the number of maintenance of the equipment, reduces the cost, and prolongs the service life of the ring network cabinet; it is visualized, has a sense of security, and achieves high economic benefits.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Patch Boards (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

La présente armoire réseau en boucle entièrement fermée d'isolation solide comportant au moins un trajet de ligne entrante et un trajet de ligne sortante, Chaque trajet comporte une unité de commutation haute tension triphasée sous vide (1). L'unité de commutation haute tension triphasée sous vide (1) est constituée d'un boîtier (2), d'un couvercle (23), d'un bâti de pistes (22), d'un commutateur principal (3), d'un commutateur de déconnexion (4), d'un contact de mise à la terre (16), d'un bus (7), d'un contact en T (17), d'un conducteur cuivre souple (20), d'une traversée à passage double (33) et d'un arbre de transmission de mise à la terre (14). Le couvercle (23) est prévu au-dessus du boîtier (2). Une extrémité du bâti de pistes (22) est fixée sur le couvercle (23). Le bus (7) et le contact de mise à la terre (16) sont installés dans la partie inférieure du boîtier (2) respectivement (2). La traversée à passage double (33) est installée sur une face du boîtier (2). L'arbre de transmission de mise à la terre (14) est installé sur le couvercle (23) qui se trouve au-dessus de la traversée à passage double (33). Le contact en T (17) est installé dans le boîtier (2). Une extrémité de la ligne non terminée souple (2) est connectée au commutateur principal (3), et l'autre extrémité est connectée au contact en T (17).
PCT/CN2007/070675 2007-07-05 2007-09-12 Armoire réseau en boucle entièrement fermée d'isolation robuste WO2009003345A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710118436.0 2007-07-05
CN2007101184360A CN101340066B (zh) 2007-07-05 2007-07-05 固体绝缘全封闭环网柜

Publications (1)

Publication Number Publication Date
WO2009003345A1 true WO2009003345A1 (fr) 2009-01-08

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ID=40214065

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/070675 WO2009003345A1 (fr) 2007-07-05 2007-09-12 Armoire réseau en boucle entièrement fermée d'isolation robuste

Country Status (2)

Country Link
CN (1) CN101340066B (fr)
WO (1) WO2009003345A1 (fr)

Cited By (8)

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CN106208067A (zh) * 2016-08-30 2016-12-07 温州电力设计有限公司 一种双回路抗谐波电容器
CN106208387A (zh) * 2016-08-30 2016-12-07 温州电力设计有限公司 一种智能配电系统
CN107765044A (zh) * 2017-11-03 2018-03-06 中国南方电网有限责任公司超高压输电公司检修试验中心 换流变压器温升试验用切换开关装置
CN108134337A (zh) * 2017-12-27 2018-06-08 上海正昊电力科技有限公司 断路器模块及包含其的环保气体绝缘环网柜
CN109360765A (zh) * 2018-11-16 2019-02-19 湖北上科电气有限公司 一种真空负荷开关用隔离刀装置
CN110768153A (zh) * 2019-11-07 2020-02-07 广东北江开关厂有限公司 一种下隔离带地刀固定式高压环网柜结构
CN112509848A (zh) * 2020-11-27 2021-03-16 河南平高通用电气有限公司 用于环网柜试验的接地开关电动操作装置
TWI758711B (zh) * 2019-11-27 2022-03-21 日商三菱電機股份有限公司 接地裝置、配電盤及接地裝置的製造方法

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CN101847838B (zh) * 2010-06-22 2014-01-08 北京双杰电气股份有限公司 24kv固体绝缘全封闭开关组合电器
CN102136682A (zh) * 2010-12-29 2011-07-27 常州森源力拓开关有限公司 固体绝缘开关柜
CN102222868B (zh) * 2011-06-22 2013-07-24 上海正昊电力科技有限公司 固体绝缘真空环网柜
CN102522713B (zh) * 2011-12-29 2015-01-07 北京双杰电气股份有限公司 三工位固体绝缘全封闭环网柜
CN102437518B (zh) * 2011-12-29 2014-10-08 北京双杰电气股份有限公司 三工位固体绝缘全密封开关接地机构
CN102545089B (zh) * 2012-02-20 2015-08-19 北京科力恒久电力技术股份有限公司 全密封固体绝缘开关绝缘罩
PL2645395T3 (pl) * 2012-03-26 2015-05-29 Abb Schweiz Ag Elektryczne urządzenie przełączające i związane z nim urządzenie elektryczne
CN102761072A (zh) * 2012-07-27 2012-10-31 无锡市凯立电器有限公司 固体绝缘负荷开关-熔断器组合电器柜
CN203134677U (zh) 2012-12-25 2013-08-14 北京华东森源电气有限责任公司 一种绝缘筒及采用所述绝缘筒的主回路结构
CN103151723A (zh) * 2013-04-07 2013-06-12 深圳市金博联电力技术有限公司 一种全密封全固体绝缘环网柜
CN103280728B (zh) * 2013-06-21 2015-06-24 许昌华元泰电气科技有限公司 智能固体绝缘金属封闭开关设备
CN104242137A (zh) * 2013-11-15 2014-12-24 宏秀电气有限公司 固体环网柜真空总成
CN104505284B (zh) * 2014-12-10 2017-03-15 北京双杰电气股份有限公司 双向负荷开关设备
CN105719894A (zh) * 2016-03-29 2016-06-29 西安森源配电自动化设备有限公司 户内高压交流隔离负荷开关
CN105719897A (zh) * 2016-03-29 2016-06-29 西安森源配电自动化设备有限公司 户内高压交流隔离断路器
EP4443462A1 (fr) * 2023-04-03 2024-10-09 Eaton Intelligent Power Limited Appareil de commutation compact

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JP2007028699A (ja) * 2005-07-12 2007-02-01 Toshiba Corp 固体絶縁スイッチギヤ
CN2836279Y (zh) * 2005-07-14 2006-11-08 杭州电器开关有限公司 12千伏户内交流高压六氟化硫环网开关设备
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106208067A (zh) * 2016-08-30 2016-12-07 温州电力设计有限公司 一种双回路抗谐波电容器
CN106208387A (zh) * 2016-08-30 2016-12-07 温州电力设计有限公司 一种智能配电系统
CN107765044A (zh) * 2017-11-03 2018-03-06 中国南方电网有限责任公司超高压输电公司检修试验中心 换流变压器温升试验用切换开关装置
CN107765044B (zh) * 2017-11-03 2023-09-26 中国南方电网有限责任公司超高压输电公司检修试验中心 换流变压器温升试验用切换开关装置
CN108134337A (zh) * 2017-12-27 2018-06-08 上海正昊电力科技有限公司 断路器模块及包含其的环保气体绝缘环网柜
CN109360765A (zh) * 2018-11-16 2019-02-19 湖北上科电气有限公司 一种真空负荷开关用隔离刀装置
CN110768153A (zh) * 2019-11-07 2020-02-07 广东北江开关厂有限公司 一种下隔离带地刀固定式高压环网柜结构
CN110768153B (zh) * 2019-11-07 2024-06-11 清远市新能电力工程有限公司 一种下隔离带地刀固定式高压环网柜结构
TWI758711B (zh) * 2019-11-27 2022-03-21 日商三菱電機股份有限公司 接地裝置、配電盤及接地裝置的製造方法
CN112509848A (zh) * 2020-11-27 2021-03-16 河南平高通用电气有限公司 用于环网柜试验的接地开关电动操作装置
CN112509848B (zh) * 2020-11-27 2023-11-17 河南平高通用电气有限公司 用于环网柜试验的接地开关电动操作装置

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Publication number Publication date
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