CN201904561U - Environment-friendly solid fully-insulated looped network cabinet - Google Patents
Environment-friendly solid fully-insulated looped network cabinet Download PDFInfo
- Publication number
- CN201904561U CN201904561U CN2010206108252U CN201020610825U CN201904561U CN 201904561 U CN201904561 U CN 201904561U CN 2010206108252 U CN2010206108252 U CN 2010206108252U CN 201020610825 U CN201020610825 U CN 201020610825U CN 201904561 U CN201904561 U CN 201904561U
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Abstract
The utility model relates to an environment-friendly solid fully-insulated looped network cabinet which comprises an instrument chamber, a bus chamber, a load switch chamber and a cable chamber; the instrument chamber is positioned at the front upper part of the looped network cabinet; the bus chamber is positioned at the upper part of the looped network cabinet for bus bar connection between the cabinets; the load switch chamber is positioned in the middle of the cabinet and consists of three single monophase environment-friendly solid fully-insulated switching modules. The cabinet adopts full-sealing epoxide resin pouring, dismountable design, pressure resistance-avoiding design, phase splicing construction phase segregation design, main switch and grounding cutter integral module operation mechanism design, and external insulation of epoxide resin sleeve and insulating barrel, and has creativity in the aspects of environmental protection, long service life, easy maintenance, flexible configuration and the like.
Description
Technical field
The utility model relates to the high voltage power distribution field, is specifically related to a kind of urban electricity supply network ring main unit.
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; The core component Switch main body of ring main unit structurally has varied.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.
The 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 insulation ring main unit.
The utility model solves the problems of the technologies described above by the following technical solutions:
Environment protection solid all insulation ring main unit comprises control room, bus-bar room, on-load switch chamber, cable vault; Described control room is positioned at the front upper part of ring main unit, and described bus-bar room is positioned at ring main unit top, is used for cabinet and connects with busbar between the cabinet; Described on-load switch chamber is positioned at the middle part of cabinet, is made up of three single-phase environment protection solid all-insulated 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.
Described control room is provided with the instrument door, and display unit and electric controling part are installed on the instrument door; Be provided with mechanical part in the control room; Described electric controling part is to be used for controlling described mechanical part, and described mechanical part is to be used for the indoor switch of the described on-load switch of actuating.
Advantage of the present utility model is: the environment protection solid all-insulated switch of ring main unit 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 front view.
Embodiment
As shown in Figure 1, environment protection solid all insulation ring main unit comprises control room 100, bus-bar room 200, on-load switch chamber 300, cable vault 400; Described control room 100 is positioned at the front upper part of ring main unit, and described bus-bar room 200 is positioned at ring main unit top, is used for cabinet and connects with busbar 201 between the cabinet; Described on-load switch chamber 300 is positioned at the middle part of cabinet, is made up of three single-phase environment protection solid all-insulated switch modules.
Wherein each single-phase switch module 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.
As shown in Figure 2, control room 100 is provided with instrument door 101, and display unit 102 and electric controling part 103 are installed on the instrument door 101; Be provided with mechanical part 104 (referring to Fig. 1) in the control room 100; Electric controling part 103 is to be used for controlling mechanical part 104, and mechanical part 104 is to be used for switch in the described on-load switch of the actuating chamber 300.
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 switch of the utility model environment protection solid all insulation ring main unit 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 insulation ring main unit is characterized in that: comprise control room, bus-bar room, on-load switch chamber, cable vault; Described control room is positioned at the front upper part of ring main unit, and described bus-bar room is positioned at ring main unit top, is used for cabinet and connects with busbar between the cabinet; Described on-load switch chamber is positioned at the middle part of cabinet, is made up of three single-phase environment protection solid all-insulated 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 insulation ring main unit 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 insulation ring main unit as claimed in claim 1, it is characterized in that: described control room is provided with the instrument door, and display unit and electric controling part are installed on the instrument door; Be provided with mechanical part in the control room; Described electric controling part is to be used for controlling described mechanical part, and described mechanical part is to be used for the indoor switch of the described on-load switch of actuating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206108252U CN201904561U (en) | 2010-11-16 | 2010-11-16 | Environment-friendly solid fully-insulated looped network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206108252U CN201904561U (en) | 2010-11-16 | 2010-11-16 | Environment-friendly solid fully-insulated looped network cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201904561U true CN201904561U (en) | 2011-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206108252U Expired - Lifetime CN201904561U (en) | 2010-11-16 | 2010-11-16 | Environment-friendly solid fully-insulated looped network cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201904561U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340110A (en) * | 2011-10-20 | 2012-02-01 | 山东电力集团公司潍坊供电公司 | Operating tool for ring network cabinet |
| CN102420400A (en) * | 2011-12-16 | 2012-04-18 | 常州瑞联电力科技有限公司 | Insulating cover |
| CN104577860A (en) * | 2013-10-24 | 2015-04-29 | 镇江华翔机电制造有限公司 | Box type alternating current metal-enclosed ring network switchgear |
| CN112467595A (en) * | 2020-11-05 | 2021-03-09 | 深圳供电局有限公司 | Ring main unit and ring main unit replacement method |
-
2010
- 2010-11-16 CN CN2010206108252U patent/CN201904561U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340110A (en) * | 2011-10-20 | 2012-02-01 | 山东电力集团公司潍坊供电公司 | Operating tool for ring network cabinet |
| CN102340110B (en) * | 2011-10-20 | 2014-03-19 | 山东电力集团公司潍坊供电公司 | Operating tool for ring network cabinet |
| CN102420400A (en) * | 2011-12-16 | 2012-04-18 | 常州瑞联电力科技有限公司 | Insulating cover |
| CN104577860A (en) * | 2013-10-24 | 2015-04-29 | 镇江华翔机电制造有限公司 | Box type alternating current metal-enclosed ring network switchgear |
| CN112467595A (en) * | 2020-11-05 | 2021-03-09 | 深圳供电局有限公司 | Ring main unit and ring main unit replacement method |
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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 fully-insulated looped network cabinet Effective date of registration: 20150615 Granted publication date: 20110720 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: 20110720 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: 20110720 |
|
| CX01 | Expiry of patent term |