CN202276085U - Fully-insulated metal ring net cabinet - Google Patents
Fully-insulated metal ring net cabinet Download PDFInfo
- Publication number
- CN202276085U CN202276085U CN2011204344630U CN201120434463U CN202276085U CN 202276085 U CN202276085 U CN 202276085U CN 2011204344630 U CN2011204344630 U CN 2011204344630U CN 201120434463 U CN201120434463 U CN 201120434463U CN 202276085 U CN202276085 U CN 202276085U
- Authority
- CN
- China
- Prior art keywords
- switch
- cable
- room
- metal ring
- cabinet
- 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 - Fee Related
Links
- 239000002184 metal Substances 0.000 title claims abstract description 13
- 238000005260 corrosion Methods 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 229910004682 ON-OFF Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model relates to a fully-insulated metal ring net cabinet which comprises a cabinet body, a switch-bus room inside the cabinet body, an operating mechanism room, a fuse room, a cable room and a pressure relief room, wherein a main bus bar, a branch bus bar, a load switch and a ground switch are installed in the switch-bus room; a cable and a current transformer are arranged in the cable room; the main bus bar, the branch bus bar, the load switch and the ground switch are hermetically installed in a gas tank filled with SF6 gas; the gas tank adopts a sealed tank body welded by stainless steel plates and is fixedly installed in the cabinet body by bolts; and each isolation switch equipment is in contact with air to avoid the influence of service environment on the performance of the equipment. The fully-insulated metal ring net cabinet has the advantages of moisture resistance, corrosion resistance, long service life, low maintenance fee and the like. The fully-insulated metal ring net cabinet is applicable to a control device of a 24kV/50Hz three-phase alternating-current power system.
Description
Technical field
The utility model relates to high voltage electric switch equipment, particularly about a kind of indoor box metal ring main unit.The utility model is applicable to power distribution and circuit control, protection, the monitoring equipment of 24KV/50Hz three-phase ac power system.
Background technology
Indoor box metal enclosed ring main unit; Be used for 24kV three-phase alternating current 50Hz electric power system; As accepting and distributing electric energy and circuit is carried out control, protection and monitoring; Generally be made up of housing, on-load switch, current transformer, earthed switch, bus-bar room, control room, branch's busbar, stube cable, the main busbar in the bus-bar room is connected the high pressure inlet wire with the on-load switch upper contact head, and branch's busbar is connected contact under high-voltage terminal and the on-load switch; Current transformer, transducer and earthed switch are installed on main busbar, and the on off state of its on-load switch and earthed switch can manually be controlled through the handle hole on the operating mechanism.Subject matter is: electric elements such as the main busbar of existing indoor box metal enclosed ring main unit, branch's busbar, on-load switch, circuit breaker, current transformer, earthed switch expose in air, and the influence that is subject to external environment condition is bigger.When in adverse circumstances such as high humility, high pollution, using especially, equipment components moisture-sensitive and corrosion, the insulation property and the useful life of reducing product, equipment maintenance cost is high.
Summary of the invention
The purpose of the utility model is the problem that exists to prior art, provides that a kind of environment for use is little, moistureproof to the equipment performance influence, anticorrosion, life of product is long, maintenance cost is low all insulation metal ring main unit.
The technical scheme of the utility model comprises cabinet and switch inside-bus-bar room thereof, operating mechanism chamber, fuse chamber, cable vault, pressure releasing chamber; Main busbar, branch's busbar, on-load switch, earthed switch are installed in switch-bus-bar room; Be provided with the cable summation current transformer in the cable vault; Mainly be that main busbar, branch's busbar, on-load switch, earthed switch sealing are installed in one and are filled with in the gas tank of SF6 gas; This gas tank adopts corrosion resistant plate to be welded into seal case, is installed in the cabinet by bolt.
In above technical scheme, cable is connected with main busbar through T type cable end, single-pass sleeve pipe, and T type cable end is a plug-in silicon rubber connector, and adopts plug-in to be connected between the single-pass sleeve pipe.
In above technical scheme, current transformer adopts and does not bear the open type instrument transformer of insulation, is installed on the cable.
The utility model has the advantages that main busbar, branch's busbar, on-load switch, earthed switch sealing are installed in one and are filled with in the gas tank of SF6 gas; Isolating each switchgear contacts with air; Avoid the use of the influence of environment, have protection against the tide, anticorrosion, advantage such as life of product is long, maintenance cost is low equipment performance.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
All insulation metal ring main unit as shown in Figure 1; Comprise cabinet 1 and switch inside thereof-bus-bar room A, operating mechanism chamber B, fuse chamber C, the D of cable vault, pressure releasing chamber E, be equipped with in switch-bus-bar room main busbar 2, branch's busbar 3,, on-load switch 4, earthed switch 6, be provided with cable 12 summation current transformers 11 among the D of cable vault; Main busbar 2, branch's busbar 3, on-load switch 4, earthed switch 6 sealings are installed in one and are filled with in the gas tank 7 of SF6 gas; This gas tank 7 adopts corrosion resistant plate to be welded into seal case, is installed in the cabinet 1 by bolt, and each electric elements sealing is installed in the SF6 gas; Isolated with air; Prevent to make moist and corrode, improve insulation property and life-span, its anticorrosion grade reaches IP67.
Cable 12 is connected with main busbar 2 through T type cable end 10, single-pass sleeve pipe 8, and T type cable end 10 is a plug-in silicon rubber connector, and adopts plug-in to be connected between the single-pass sleeve pipe 8, realizes all insulation and shielding.
Current transformer 11 adopts and does not bear the open type instrument transformer of insulation, is installed on the cable 12.
Earthed switch 6 is installed between the bottom and main busbar 2 of gas tank 7, and ground connection busbar 9 is installed between the bottom of gas tank 7 and the cabinet 1, guarantees equipment reliable ground connection.
Be provided with interlocking gear 5 among the B of operating mechanism chamber, this interlocking gear 5 is installed on the cabinet 1, guarantees after earthed switch 6 closes, just can open lower cabinet door, reaches five anti-interlock requirements of high-voltage electrical apparatus.
Claims (3)
1. all insulation metal ring main unit; Comprise cabinet (1) and switch inside-bus-bar room (A) thereof, operating mechanism chamber (B), fuse chamber (C), cable vault (D), pressure releasing chamber (E); Main busbar (2), branch's busbar (3), on-load switch (4), earthed switch (6) are installed in switch-bus-bar room (A); Be provided with cable (12) summation current transformer (11) in the cable vault (D); It is characterized in that main busbar (2), branch's busbar (3), on-load switch (4), earthed switch (6) sealing are installed in one and are filled with in the gas tank (7) of SF6 gas, this gas tank (7) adopts corrosion resistant plate to be welded into seal case, is installed in the cabinet (1) by bolt.
2. all insulation metal ring main unit according to claim 1; It is characterized in that cable (12) is connected with main busbar (2) through T type cable end (10), single-pass sleeve pipe (8); T type cable end (10) is a plug-in silicon rubber connector, adopts plug-in to be connected between itself and the single-pass sleeve pipe (8).
3. all insulation metal ring main unit according to claim 1 and 2 is characterized in that current transformer (11) adopts not bear the open type instrument transformer of insulation, is installed on the cable (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204344630U CN202276085U (en) | 2011-11-01 | 2011-11-01 | Fully-insulated metal ring net cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204344630U CN202276085U (en) | 2011-11-01 | 2011-11-01 | Fully-insulated metal ring net cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202276085U true CN202276085U (en) | 2012-06-13 |
Family
ID=46196423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204344630U Expired - Fee Related CN202276085U (en) | 2011-11-01 | 2011-11-01 | Fully-insulated metal ring net cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202276085U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022940A (en) * | 2012-12-24 | 2013-04-03 | 深圳供电局有限公司 | Cable coupling box and online cable monitoring method |
| CN104716585A (en) * | 2015-03-18 | 2015-06-17 | 国网黑龙江省电力有限公司绥化供电公司 | High voltage electric device applicable to ring network power supply system |
| CN106207758A (en) * | 2014-12-03 | 2016-12-07 | Ls产电株式会社 | The distribution board of application bushing current transformer |
| CN107069525A (en) * | 2017-04-05 | 2017-08-18 | 珠海航天科创实业有限公司 | Isolate lower earthed switch cabinet in one kind |
| CN107946990A (en) * | 2017-12-27 | 2018-04-20 | 徐为杰 | A kind of Multifunctional small-sized open circuit integral switch cabinet |
| CN112531545A (en) * | 2020-11-25 | 2021-03-19 | 北京双杰电气股份有限公司 | Mechanism sealing type gas insulation ring main unit |
-
2011
- 2011-11-01 CN CN2011204344630U patent/CN202276085U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022940A (en) * | 2012-12-24 | 2013-04-03 | 深圳供电局有限公司 | Cable coupling box and online cable monitoring method |
| CN106207758A (en) * | 2014-12-03 | 2016-12-07 | Ls产电株式会社 | The distribution board of application bushing current transformer |
| CN106207758B (en) * | 2014-12-03 | 2019-06-25 | Ls产电株式会社 | Using the distribution board of bushing current transformer |
| CN104716585A (en) * | 2015-03-18 | 2015-06-17 | 国网黑龙江省电力有限公司绥化供电公司 | High voltage electric device applicable to ring network power supply system |
| CN107069525A (en) * | 2017-04-05 | 2017-08-18 | 珠海航天科创实业有限公司 | Isolate lower earthed switch cabinet in one kind |
| CN107946990A (en) * | 2017-12-27 | 2018-04-20 | 徐为杰 | A kind of Multifunctional small-sized open circuit integral switch cabinet |
| CN112531545A (en) * | 2020-11-25 | 2021-03-19 | 北京双杰电气股份有限公司 | Mechanism sealing type gas insulation ring main unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20151101 |
|
| EXPY | Termination of patent right or utility model |