CN201868771U - Environment-friendly solid all-insulated switch - Google Patents

Environment-friendly solid all-insulated switch Download PDF

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Publication number
CN201868771U
CN201868771U CN2010206088494U CN201020608849U CN201868771U CN 201868771 U CN201868771 U CN 201868771U CN 2010206088494 U CN2010206088494 U CN 2010206088494U CN 201020608849 U CN201020608849 U CN 201020608849U CN 201868771 U CN201868771 U CN 201868771U
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CN
China
Prior art keywords
switch
chamber
isolating switch
storehouse
phase
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.)
Expired - Lifetime
Application number
CN2010206088494U
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Chinese (zh)
Inventor
陈泽银
蒋玲琳
陈兰芳
全宗正
刘鸿栋
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.)
FUJIAN SENDA ELECTRIC CO., LTD.
Original Assignee
FUJIAN SENDA ELECTRIC EQUIPMENT Co Ltd
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Priority to CN2010206088494U priority Critical patent/CN201868771U/en
Application granted granted Critical
Publication of CN201868771U publication Critical patent/CN201868771U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

An environment-friendly solid all-insulated switch comprises an operation mechanism box, three single-phase switch modules, a bus and a casing, wherein the operation mechanism box is located on the front part of the switch; the three single-phase switch modules are arranged on the rear side of the operation mechanism box; and the bus is placed at the top of the three single-phase switch modules. The environment-friendly solid all-insulated switch has innovation on the environmental protection, long service life, easy maintenance, flexible configuration and so on by adopting fully-sealed epoxy resin casing manner, replaceable design, withstand voltage prevention design, inter-phase isolation design of a phase separation structure, integrated module operation mechanism design of a main switch and a grounding switch, and external insulation design using an epoxy resin sleeve and an insulation sleeve.

Description

The environment protection solid all-insulated switch
[technical field]
The utility model relates to the switch of urban electricity supply network ring main unit, specifically is meant a kind of environment protection solid all-insulated switch.
[background technology]
In China's upgrading urban and rural power grids and building, carry out ring network power supply, promptly with cable, walk underground, be loop, can reduce the interruption of power supply, the fault of property when significantly reducing simultaneously.Therefore, the unit that is used for ring network power supply is that ring main unit arises at the historic moment; It is varied that the core component of ring main unit is that Switch main body structurally has.Wherein, early stage oily on-load switch and magnetic blow-out on-load switch are eliminated.At present in China's power distribution network evolution, a large amount of SF6 switches in 10kV~10.5kV, have been adopted, the chemical property of SF6 gas is highly stable after all, and chemical action is not taken place for metal and other organic material commonly used in the electric equipment, and good arc extinguishing and insulation property are arranged.
In fact, along with the enhancing of people's environmental protection consciousness, what generally use in the 0.4kV of developed countries such as America and Europe~10kV electric pressure is vacuum switch, only just can be applied to the SF6 switch in superhigh pressure 110kV~500kV scope.Learn by a large amount of analysis of experiments, SF6 gas in the use SF6 gas-filled type ring main unit is to the environment structure potential hazard, because SF6 combines with water, or at large power electric arc, multiple product can decompose and dissociate under sparkover and the corona discharge effect, the goods and materials that generation is poisonous to human body, show according to U.S.'s science and technology survey data, global in recent years, SF6 gas concentration ascendant trend linearly in the atmosphere, molecule of SF6 gas is 25000 times of CO2 molecule to the influence of greenhouse effect, simultaneously, the SF6 gas life-span that is emitted in the atmosphere is about 3400, and is serious to air breakup.The SF6 gas switch has contaminative, may produce toxic gas leakage again simultaneously, and electric power maintenance is also very inconvenient.The toxicity of SF6 all is huge to the infringement of health with to the pollution of environment.
[utility model content]
Technical problem to be solved in the utility model is to provide a kind of pollution-free, safe and reliable environment protection solid all-insulated switch, replaces the SF6 insulated switch.
The utility model solves the problems of the technologies described above by the following technical solutions:
The environment protection solid all-insulated switch comprises an operating mechanism case, three single-phase switch modules, bus, shell; The operating mechanism case is positioned at the front portion of switch, and three single-phase switch modules are positioned at the rear side of operating mechanism case; Bus is positioned at the top of three single-phase switch modules;
Wherein each single-phase switch module comprises an isolating switch chamber, a vacuum extinction storehouse, a fuse chamber;
Indoor one first insulating bar, the conducting rod of being provided with of described isolating switch; Described first insulating bar and described conducting rod are cast for one; Indoor end of incoming cables contact, feeder line end contact and the earth terminal contact of also being provided with of described isolating switch;
Described vacuum extinction position in storehouse is in the lower end of described isolating switch chamber; This vacuum extinction storehouse is connected with vacuum interrupter, and described vacuum interrupter is connected with described feeder line end contact by one first conducting connecting part; Be provided with one second insulating bar in the described vacuum extinction storehouse;
Described fuse chamber is positioned at the bottom in described vacuum extinction storehouse; Described vacuum interrupter is connected by the front end of one second conducting connecting part with described fuse chamber; The rear end of described fuse chamber is connected with the cable pigtail device by one the 3rd conducting connecting part; Described cable pigtail device is positioned at the bottom of described fuse chamber, and described cable pigtail device and cable combination hub are fastenedly connected; Described cable combination hub is connected with the external cable plug by bolt.
The indoor pressure release passage mouth that respectively is provided with of described isolating switch chamber and described fuse.
Be provided with isolating switch powder operation device and vacuum interrupter powder operation device in the described operating mechanism case, also be provided with the isolating switch lever position indicator, the vacuum interrupter energy storage, deciliter and counting display device.
Advantage of the present utility model is: the environment protection solid all-insulated switch adopts hermetically sealed poured with epoxy resin, can change design, avoids withstand voltage design, the alternate isolation design of phase separation structure, main switch and the design of ground connection cutter integrated module operating mechanism, epoxy resin sleeve and insulating cylinder carry out external insulation, has novelty at aspects such as environmental protection, long-life, easy care and configuration flexibilitys.
[description of drawings]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the utility model side sectional view.
Fig. 2 is the utility model vertical view.
Fig. 3 is the utility model front view
[embodiment]
As illustrated in fig. 1 and 2, the environment protection solid all-insulated switch comprises an operating mechanism case A, three single-phase switch module D, bus C, shell B; The operating mechanism case is positioned at the front portion of switch, and three single-phase switch modules are positioned at the rear side of operating mechanism case; Bus C is positioned at the top of three single-phase switch modules.
Shell B adopts the aluminium zinc that covers of high-quality to be processed to form a casing through Digit Control Machine Tool, and operating mechanism case A, bus C, three single-phase switch module D protections inside, shell B is provided with the pressure release passage mouth E and the F of two special uses.
As shown in Figure 3, be provided with isolating switch powder operation device and vacuum interrupter powder operation device in the described operating mechanism case A, also be provided with isolating switch lever position indicator 100, vacuum interrupter energy storage device 200, vacuum interrupter coupling or uncoupling means 300 and counting display device 400.
Please consult shown in Figure 1ly again, wherein each single-phase switch module D comprises an isolating switch chamber 10, a vacuum extinction storehouse 20, a fuse chamber 30;
Be provided with an insulating bar 11, a conducting rod 12 in the described isolating switch chamber 10; Described first insulating bar 11 and described conducting rod 12 are cast for one; Also be provided with end of incoming cables contact 13, feeder line end contact 14 and earth terminal contact 15 in the described isolating switch chamber 10.Drive conducting rod 12 motions by mobile insulating bar 11, form two visibility points, be isolating switch closing position and separating brake position, feeder line end contact 14 is connected with earth terminal contact 115 by conducting rod 12 when isolating switch is in the separating brake position, form loop ground connection, end of incoming cables contact 13 is guided to the module top by an adaptor 16, connects end as inlet wire.
Described vacuum extinction storehouse 20 is positioned at the lower end of described isolating switch chamber 10; This vacuum extinction storehouse 20 is connected with vacuum interrupter 21, and described vacuum interrupter 21 is connected with described feeder line end contact 14 by a conducting connecting part 22; Be provided with an insulating bar 23 in the described vacuum extinction storehouse 20; Insulating bar 23 is connected with the moving contact of vacuum interrupter 21, by operation insulating bar 23, moved end and the quiet end of control arc control device 21 separate and close the pass.
Described fuse chamber 30 is positioned at the bottom in described vacuum extinction storehouse 20; Described vacuum interrupter 21 is connected by the front end of conducting connecting part 31 with described fuse chamber 30; The rear end of described fuse chamber 30 is connected with cable pigtail device 33 by conducting connecting part 32; Described cable pigtail device 33 is positioned at the bottom of described fuse chamber 30, and described cable pigtail device 33 is fastenedly connected with cable combination hub 34; Described cable combination hub 34 is connected with external cable plug 35 by bolt.
Respectively be provided with pressure release passage mouth G and H in isolating switch chamber 10 and fuse chamber 30.
Operation principle and order: electric current is introduced into end of incoming cables contact 13 from cabinet top bus C by the adaptor 16 that connects end as inlet wire, by the conducting rod 12 realization break-make that seesaws, electric current is through conducting rod 12 and feeder line end contact 14 moving contact to vacuum interrupter 21, deciliter make current delivery give the bottom of fuse chamber 30 by control vacuum interrupter 21, under the electric action of fuse chamber 30, draw outside external cable plug 35 carries out by cable pigtail device 33, form the outer loop of drawing.
The utility model environment protection solid all-insulated switch adopts hermetically sealed poured with epoxy resin, can change design, avoids withstand voltage design, the alternate isolation design of phase separation structure, main switch and the design of ground connection cutter integrated module operating mechanism, epoxy resin sleeve and insulating cylinder carry out external insulation, has novelty at aspects such as environmental protection, long-life, easy care and configuration flexibilitys.

Claims (3)

1. environment protection solid all-insulated switch is characterized in that: comprise an operating mechanism case, three single-phase switch modules, bus, shell; Described operating mechanism case is positioned at the front portion of switch, and described three single-phase switch modules are positioned at the rear side of described operating mechanism case; Described bus is positioned at the top of described three single-phase switch modules;
Wherein each single-phase switch module comprises an isolating switch chamber, a vacuum extinction storehouse, a fuse chamber;
Indoor one first insulating bar, the conducting rod of being provided with of described isolating switch; Described first insulating bar and described conducting rod are cast for one; Indoor end of incoming cables contact, feeder line end contact and the earth terminal contact of also being provided with of described isolating switch;
Described vacuum extinction position in storehouse is in the lower end of described isolating switch chamber; This vacuum extinction storehouse is connected with vacuum interrupter, and described vacuum interrupter is connected with described feeder line end contact by one first conducting connecting part; Be provided with one second insulating bar in the described vacuum extinction storehouse;
Described fuse chamber is positioned at the bottom in described vacuum extinction storehouse; Described vacuum interrupter is connected by the front end of one second conducting connecting part with described fuse chamber; The rear end of described fuse chamber is connected with the cable pigtail device by one the 3rd conducting connecting part; Described cable pigtail device is positioned at the bottom of described fuse chamber, and described cable pigtail device and cable combination hub are fastenedly connected; Described cable combination hub is connected with the external cable plug by bolt.
2. environment protection solid all-insulated switch as claimed in claim 1 is characterized in that: the indoor pressure release passage mouth that respectively is provided with of described isolating switch chamber and described fuse.
3. environment protection solid all-insulated switch as claimed in claim 1, it is characterized in that: be provided with isolating switch powder operation device and vacuum interrupter powder operation device in the described operating mechanism case, also be provided with the isolating switch lever position indicator, the vacuum interrupter energy storage, deciliter and counting display device.
CN2010206088494U 2010-11-16 2010-11-16 Environment-friendly solid all-insulated switch Expired - Lifetime CN201868771U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206088494U CN201868771U (en) 2010-11-16 2010-11-16 Environment-friendly solid all-insulated switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206088494U CN201868771U (en) 2010-11-16 2010-11-16 Environment-friendly solid all-insulated switch

Publications (1)

Publication Number Publication Date
CN201868771U true CN201868771U (en) 2011-06-15

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Country Status (1)

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CN (1) CN201868771U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102664121A (en) * 2012-05-29 2012-09-12 北京华东森源电气有限责任公司 Insulation cylinder and main loop structure utilizing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102664121A (en) * 2012-05-29 2012-09-12 北京华东森源电气有限责任公司 Insulation cylinder and main loop structure utilizing same
CN102664121B (en) * 2012-05-29 2015-06-17 北京华东森源电气有限责任公司 Insulation cylinder and main loop structure utilizing same

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: FUJIAN SENDA ELECTRIC CO., LTD.

Free format text: FORMER NAME: FUJIAN SENDA ELECTRIC EQUIPMENT CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 350000 No. 618 Jinshan Road, Cangshan District, Fujian, Fuzhou

Patentee after: FUJIAN SENDA ELECTRIC CO., LTD.

Address before: 350000 No. 618 Jinshan Road, Cangshan District, Fujian, Fuzhou

Patentee before: FUJIAN SENDA ELECTRIC EQUIPMENT CO., LTD.

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Environment-friendly solid all-insulated switch

Effective date of registration: 20150615

Granted publication date: 20110615

Pledgee: China bank Limited by Share Ltd Fuzhou Jinan Branch

Pledgor: FUJIAN SENDA ELECTRIC CO., LTD.

Registration number: 2015350000040

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20160323

Granted publication date: 20110615

Pledgee: China bank Limited by Share Ltd Fuzhou Jinan Branch

Pledgor: FUJIAN SENDA ELECTRIC CO., LTD.

Registration number: 2015350000040

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
CX01 Expiry of patent term

Granted publication date: 20110615

CX01 Expiry of patent term