CN102810825B - Gas insulating ring-network cabinet using SF6 gas as insulating and arc-extinguishing medium - Google Patents
Gas insulating ring-network cabinet using SF6 gas as insulating and arc-extinguishing medium Download PDFInfo
- Publication number
- CN102810825B CN102810825B CN201210268128.7A CN201210268128A CN102810825B CN 102810825 B CN102810825 B CN 102810825B CN 201210268128 A CN201210268128 A CN 201210268128A CN 102810825 B CN102810825 B CN 102810825B
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- China
- Prior art keywords
- gas
- switch
- gas tank
- network cabinet
- arc
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- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract 2
- 229920003023 plastic Polymers 0.000 claims 10
- 239000004033 plastic Substances 0.000 claims 10
- 238000009413 insulation Methods 0.000 claims 3
- 238000007789 sealing Methods 0.000 claims 3
- 230000003068 static effect Effects 0.000 claims 2
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 230000001629 suppression Effects 0.000 claims 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to a gas insulating ring-network cabinet using SF6 gas as an insulating and arc-extinguishing medium. The gas insulating ring-network cabinet mainly comprises a gas box, a T-shaped spring mechanism, a three-station load switch which is provided with one to six groups of common box structures and an external box type metal framework supporting the gas box. The three-station load switch is electrically connected with an external load or a power supply by insulated cable fittings and an insulated sleeve, a branch bus and a main bus which are sealed in the gas box. The gas insulating ring-network cabinet can be used for a ring-network power supply system with a rated voltage not higher than 12 kV, load control and short-circuit protection, and has the advantages of simple structure, convenience in operation, capability of being not affected by environment and the like.
Description
Technical field
The present invention relates to exchange the indoor switchgear assembly distribution product of 50HZ, rated voltage 12kV, for rated voltage 12kV and following ring network power supply system, as the use of load control and short-circuit protection.Specifically a kind of with SF
6gas is as the gas-insulated ring network cabinet of insulation and arc-extinguishing medium.
Background technology
At present with SF
6gas is as the gas-insulated ring network cabinet of insulation and arc-extinguishing medium, and model is numerous, and structure is various.On-load switch in ring main unit and operating mechanism thereof, complex structure mostly, poor reliability.Generally also there is following defect: 1. separate-box type design, waste resource; 2. the mode of cable end air insulation design, environmental suitability is poor; 3. three-phase electricity cable end file arrangement, cable installation and maintenance inconvenience.
Summary of the invention
The object of this invention is to provide a kind of simple in structure, easy and simple to handle, reliably, not affected by environment, common box type structural design, scheme combination flexible, convenient for installation and maintenance with SF
6gas is as the gas-insulated ring network cabinet of insulation and arc-extinguishing medium.
Concrete scheme of the present invention is: this gas-insulated ring network cabinet is by supporting electric elements and being filled with SF
6the gas tank of gas is welded by corrosion resistant plate; Wherein: T-shaped spring mechanism is arranged in the outside of gas tank, and be connected with three-stations load switch by movable sealing; Described three-stations load switch comprises one group to 6 groups, and arrange in inside and the operating mechanism file of gas tank, be arranged in the top of gas tank for being electrically connected the main bus bar of three-stations load switch, and completing electrical connection with branch bar and insulating sleeve, described insulating sleeve three-phase horizontal seal is arranged in the bottom in gas tank; The external tank metal framework that supports gas tank is arranged on the bottom of gas tank, and the air gauge that detects gas pressure is arranged in the upper right quarter of gas tank, and one time analog bus figure is arranged on the middle panel of gas tank, and cable fixed mount is horizontally fixed in cable vault.
Three-stations load switch is made up of fixed contact, three utmost point dynamic cutter heads, arc suppression coil, supporting traverse, switch left plate, switch right plate etc. under upper plastic stent, lower plastic stent, plastics operation axis, switch upper static contact, switch; Wherein, switch upper static contact is fixed on plastic stent, under switch, fixed contact is fixed on lower plastic stent, upper plastic stent, lower plastic stent are separately fixed on switch left plate and switch right plate, three utmost point dynamic cutter heads are connected with plastics operation axis, complete switch splitting or integrating and ground connection operation under the drive of plastics operation axis.
T-shaped spring mechanism is made up of front panel, rear board, switching manipulation main shaft, ground connection operation axis, switch splitting or integrating lock spring and earthing combined floodgate spring, intermediary operation axle part, screw connection; T-shaped spring mechanism makes three-stations load switch action by movable sealing, and provides switch splitting or integrating lock and contact of earth energy by switch splitting or integrating lock and earthing combined floodgate spring.
Movable sealing is fixed on gas tank, and one end is connected with the plastics operation axis of three-stations load switch, and the other end is connected with T-shaped spring mechanism.
Advantage of the present invention: gas tank adopts box structure design saving resource altogether, has reduced volume; T-shaped spring mechanism and three-stations load switch adopt file arrangement, have saved space, have improved installation accuracy.Three-stations load switch general structure adopts working of plastics (upper plastic stent, lower plastic stent, plastics operation axis) to combine with sheet metal component (supporting traverse, switch left plate, switch right plate), assembly precision is high, structural strength is good, the fine problem that solves interlocking of three station designs; Arc control device adopt magnetic rotation arc arc quenching method, and blow-out fast, reliably; Three utmost point dynamic cutter heads adopt disconnecting link formula structure, and isolation distance is large, and dielectric strength is high.
Brief description of the drawings
Below in conjunction with Figure of description and example, the invention will be further described:
Fig. 1 is the main TV structure figure of gas-insulated ring network cabinet of the present invention;
Fig. 2 is the left TV structure figure of gas-insulated ring network cabinet of the present invention;
Fig. 3 is the structure chart of the three-stations load switch of gas-insulated ring network cabinet of the present invention;
Fig. 4 is the main TV structure figure of the T-shaped spring mechanism of gas-insulated ring network cabinet of the present invention;
Fig. 5 is the left TV structure figure of the T-shaped spring mechanism of gas-insulated ring network cabinet of the present invention.
Embodiment
From Fig. 1-Fig. 2: gas-insulated ring network cabinet 1.1 of the present invention is by supporting electric elements and being filled with SF
6the gas tank 1.5 of gas is welded by corrosion resistant plate, this gas tank is supported by box metal shell 1.6, T-shaped spring mechanism 1.9 is arranged in the outside of gas tank, connect by movable sealing 1.11, movable sealing 1.11 is fixed on gas tank front panel, and one group to 6 groups three-stations load switch 1.3 is arranged in inside and the operating mechanism file layout of gas tank; Be arranged in the top of gas tank for being electrically connected the main bus bar 1.2 of three-stations load switch, support the external tank metal framework 1.6 of gas tank below gas tank, be sealed in insulating sleeve 1.10 bottoms of three-phase horizontal arrangement in gas tank in gas tank, completed and the electrical connection of switch by branch bar 1.4.In addition, the air gauge 1.7 that detects gas pressure is arranged in the upper right quarter of gas tank, and one time analog bus Fig. 1 .8 is arranged on the middle panel of gas tank, and cable fixed mount 1.12 is horizontally fixed in cable vault.
As shown in Figure 3: three-stations load switch 1.3 is made up of with three utmost point dynamic cutter heads 2.7 and arc suppression coil 2.3, supporting traverse 2.1, left plate 2.2, right plate 2.6 etc. fixed contact 2.9 under upper plastic stent 2.4, lower plastic stent 2.10, plastics operation axis 2.8, switch upper static contact 2.5, switch.Switch upper static contact 2.5 is fixed on plastic stent 2.4, under switch, fixed contact 2.9 is fixed on lower plastic stent 2.10, upper plastic stent 2.4, lower plastic stent 2.10 are separately fixed on switch left plate 2.2 and switch right plate 2.6, three utmost point dynamic cutter heads 2.7 are connected with plastics operation axis 2.8, complete switch splitting or integrating, ground connection operation under the drive of plastics operation axis 2.8.
Known by Fig. 4-5: T-shaped spring mechanism 1.9 is made up of front panel 3.1, rear board 3.3, switching manipulation main shaft 3.6, ground connection operation axis 3.4, switch splitting or integrating lock and earthing combined floodgate spring 3.2, intermediary operation axle part 3.5, screw connection 3.8 etc.The outside that T-shaped spring mechanism 1.9 is contained in gas tank is connected with three-stations load switch 1.3 by movable sealing 1.11.When T-shaped spring mechanism 1.9 carries out the operation of major loop splitting or integrating, give brake spring 3.2 energy storage by switching manipulation main shaft 3.6 lead agency energy storage link rod assemblies 3.7, after brake spring 3.2 energy storage put dead point in place, energy discharged, mechanism's energy storage coupling assembly 3.7 drives intermediary operation axle part 3.5 to rotate, intermediary operation axle part 3.5 drives movable sealing 1.11 to rotate, and three-stations load switch 1.3 is moved.When T-shaped spring mechanism 1.9 carries out grounded circuit operation, drive ground connection link assembly 3.9 that ground connection sluice separating spring 3.2 energy are discharged by ground connection operation axis 3.4, drive intermediary operation axle part 3.5 to rotate, intermediary operation axle 3.5 drives movable sealing 1.11 to rotate, and makes three-stations load switch complete ground connection station manipulation.
The above is the preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention.It should be pointed out that for those skilled in the art, technical scheme of the present invention is modified or is equal to replacement, do not depart from protection scope of the present invention.
Claims (3)
1. one kind with SF
6gas is as the gas-insulated ring network cabinet of insulation and arc-extinguishing medium, and this gas-insulated ring network cabinet is by supporting electric elements and being filled with SF
6the gas tank (1.5) of gas is welded by corrosion resistant plate; It is characterized in that:
T-shaped spring mechanism (1.9) is arranged in the outside of gas tank (1.5), and is connected with three-stations load switch (1.3) by movable sealing (1.11);
Described three-stations load switch (1.3) comprises one group to 6 groups, and arrange in inside and the operating mechanism file of gas tank, be arranged in the top of gas tank for being electrically connected the main bus bar (1.2) of three-stations load switch, and completing electrical connection with branch bar (1.4) and insulating sleeve (1.10), described insulating sleeve (1.10) three-phase horizontal seal is arranged in the bottom in gas tank;
The external tank metal framework (1.6) that supports gas tank is arranged on the bottom of gas tank (1.5), the air gauge (1.7) that detects gas pressure is arranged in the upper right quarter of gas tank, an analog bus figure (1.8) is arranged on the middle panel of gas tank, and cable fixed mount (1.12) is horizontally fixed in cable vault;
Three-stations load switch (1.3) is made up of fixed contact (2.9), three utmost point dynamic cutter heads (2.7), arc suppression coil (2.3), supporting traverse (2.1), switch left plate (2.2), switch right plate (2.6) under upper plastic stent (2.4), lower plastic stent (2.10), plastics operation axis (2.8), switch upper static contact (2.5), switch; Wherein, switch upper static contact (2.5) is fixed on plastic stent (2.4), fixed contact under switch (2.9) is fixed on lower plastic stent (2.10), upper plastic stent (2.4), lower plastic stent (2.10) are separately fixed on switch left plate (2.2) and switch right plate (2.6), three utmost point dynamic cutter heads (2.7) are connected with plastics operation axis (2.8), complete switch splitting or integrating and ground connection operation under the drive of plastics operation axis (2.8).
2. according to claim 1 with SF
6gas, as the gas-insulated ring network cabinet of insulation and arc-extinguishing medium, is characterized in that: T-shaped spring mechanism (1.9) is made up of front panel (3.1), rear board (3.3), switching manipulation main shaft (3.6), ground connection operation axis (3.4), switch splitting or integrating lock spring and earthing combined floodgate spring (3.2), intermediary operation axle part (3.5), screw connection (3.8); T-shaped spring mechanism (1.9) makes three-stations load switch (1.3) action by movable sealing (1.11).
According to described in any one in claim 1-2 with SF
6gas is as the gas-insulated ring network cabinet of insulation and arc-extinguishing medium, it is characterized in that: movable sealing (1.11) is fixed on gas tank (1.5), one end is connected with the plastics operation axis (2.8) of three-stations load switch (1.3), and the other end is connected with T-shaped spring mechanism (1.9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210268128.7A CN102810825B (en) | 2012-07-31 | 2012-07-31 | Gas insulating ring-network cabinet using SF6 gas as insulating and arc-extinguishing medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210268128.7A CN102810825B (en) | 2012-07-31 | 2012-07-31 | Gas insulating ring-network cabinet using SF6 gas as insulating and arc-extinguishing medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102810825A CN102810825A (en) | 2012-12-05 |
| CN102810825B true CN102810825B (en) | 2014-07-23 |
Family
ID=47234460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210268128.7A Expired - Fee Related CN102810825B (en) | 2012-07-31 | 2012-07-31 | Gas insulating ring-network cabinet using SF6 gas as insulating and arc-extinguishing medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102810825B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071279A (en) * | 2015-08-21 | 2015-11-18 | 亚洲电力设备(深圳)股份有限公司 | Load switch ring main unit suitable for being insulated by environment-friendly gas |
| CN111064109A (en) * | 2019-07-18 | 2020-04-24 | 上海正昊电力科技有限公司 | Atmospheric-pressure sealed air insulation ring main unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1862901A (en) * | 2005-05-13 | 2006-11-15 | Ls产电株式会社 | Solid insulated disconnection switch |
| CN201336525Y (en) * | 2009-01-05 | 2009-10-28 | 浙宝电气(杭州)集团有限公司 | Inflated ring network switch equipment in one tank type |
| CN201413948Y (en) * | 2009-04-17 | 2010-02-24 | 珠海许继电气有限公司 | Ring-net vacuum automatic power distribution switching equipment |
| CN102360980A (en) * | 2011-09-30 | 2012-02-22 | 无锡中科电气设备有限公司 | Three-working-position isolation switch |
| CN202534968U (en) * | 2012-07-31 | 2012-11-14 | 金杰实业集团有限公司 | Gas insulation ring main unit using SF6 gas as insulation and arc-extinguishing medium |
-
2012
- 2012-07-31 CN CN201210268128.7A patent/CN102810825B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1862901A (en) * | 2005-05-13 | 2006-11-15 | Ls产电株式会社 | Solid insulated disconnection switch |
| CN201336525Y (en) * | 2009-01-05 | 2009-10-28 | 浙宝电气(杭州)集团有限公司 | Inflated ring network switch equipment in one tank type |
| CN201413948Y (en) * | 2009-04-17 | 2010-02-24 | 珠海许继电气有限公司 | Ring-net vacuum automatic power distribution switching equipment |
| CN102360980A (en) * | 2011-09-30 | 2012-02-22 | 无锡中科电气设备有限公司 | Three-working-position isolation switch |
| CN202534968U (en) * | 2012-07-31 | 2012-11-14 | 金杰实业集团有限公司 | Gas insulation ring main unit using SF6 gas as insulation and arc-extinguishing medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102810825A (en) | 2012-12-05 |
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Free format text: FORMER OWNER: LI MING Effective date: 20140516 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140516 Address after: 014030, friendship Street, rare earth hi tech Zone, the Inner Mongolia Autonomous Region, Baotou, No. 32 Applicant after: JINJIE INDUSTRIAL GROUP Co.,Ltd. Address before: 014030, friendship Street, rare earth hi tech Zone, the Inner Mongolia Autonomous Region, Baotou, No. 32 Applicant before: JINJIE INDUSTRIAL GROUP Co.,Ltd. Applicant before: Li Ming |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 |
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