CN205429558U - SF6 looped netowrk cabinet online intelligent steady voltage system - Google Patents
SF6 looped netowrk cabinet online intelligent steady voltage system Download PDFInfo
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- CN205429558U CN205429558U CN201620133969.0U CN201620133969U CN205429558U CN 205429558 U CN205429558 U CN 205429558U CN 201620133969 U CN201620133969 U CN 201620133969U CN 205429558 U CN205429558 U CN 205429558U
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Abstract
The utility model discloses a SF6 looped netowrk cabinet online intelligent steady voltage system, including the looped netowrk cabinet, inside being equipped with of looped netowrk cabinet is used for saving the gaseous gas tank of SF6, is equipped with the installation cavity at the inside gas tank lower extreme that is located of looped netowrk cabinet, is equipped with online intelligent pressure increasing system and online intelligent depressurization system in the installation cavity: online intelligent pressure increasing system is connected with first solenoid valve through first transmission line including the baroceptor and the first solenoid valve that set up terminal surface under the gas tank, baroceptor, is equipped with the SF6 gas pitcher in installation cavity bottom, and the export of SF6 gas pitcher is through first hose and first solenoid valve access connection, and an electromagnetic valve feeds through with gas tank inside, online intelligent depressurization system is including the second solenoid valve that sets up terminal surface under the gas tank, and the baroceptor passes through the second transmission line to be connected with the second solenoid valve, is equipped with the vacuum gas pitcher in installation cavity bottom, and gas pitcher import in vacuum is connected with the 2nd electromagnetic valve through the second hose, and the second solenoid valve is imported and gas tank inside feeds through.
Description
Technical field
This utility model relates to SF6Ring main unit, a kind of SF6Ring main unit on-line intelligence voltage-stabilizing system.
Background technology
Current Domestic SF6Inflatable ring main unit (hereinafter referred to as: gas-filling cabinet) quickly grows, and market, increasing community all uses this equipment when designing electric power system, also large scale investment is used in future.
Gas-filling cabinet, is exactly the cupboard of inner inflatable from understanding out nominally.So being filled with SF6The gas tank of gas is the core component of cupboard naturally.Gas-filling cabinet gas tank currently on the market uses 304 rustless steels to do shell substantially, corrosion resistant plate be welded into an airtight gas tank by noble gas, then installation switchgear be filled with SF thereto6Gas.Owing to the intensity of rustless steel own is big, enough safe and reliable of the gas tank made by welding.
But gas-filling cabinet is in equipment conveying or installation process, can then cause the equipment cannot be properly functioning because collision cause the reasons such as gas tank deformation, variations in temperature to cause gas tank built-in electrical insulation gas to leak or under-voltage, affect the operation of power system.And the most mostly use fixed large-scale aeration tank to inflate to gas-filling cabinet, this charger cannot move and volume is bigger, once gas-filling cabinet dispatches from the factory and occurs that gas leaks afterwards, cannot give QI invigorating, cause great inconvenience to repair and maintenance in the case of Bu Fan factory.
Same gas-filling cabinet is in equipment conveying installation process or in operation, can be because the gas tank internal energising reason such as carrier local temperature rise, equipment environment temperature change causes gas tank built-in electrical insulation gas pressure excessive during equipment runs, this can make gas tank stress deformation, once box deformation, it is likely to result in the electric elements displacement of extenal fixation, overall tightness decline in gas tank, serious meeting causes electric power accident, then causes the equipment cannot be properly functioning, affects user's normal power supply.And the power failure caused because of equipment fault or cannot power transmission, the time, the longest loss caused was the biggest.
Utility model content
Technical problem to be solved in the utility model is, for the shortcoming of above prior art, proposes a kind of SF6Ring main unit on-line intelligence voltage-stabilizing system, it is not only simple in structure, easy to operate, ring main unit persistently can be monitored internal pressure, when the gas tank in ring main unit occurs that gas leaks, can the most persistently it be carried out pneumatic compression by on-line intelligence booster system, it is inflated without returning factory, reduce maintenance cost, improve the safety and reliability of equipment, and automaticity is high；When internal pressure is excessive; releasing pressure automatically is got final product by on-line intelligence depressurizing system; ring main unit can not only be protected; avoid because built-in electrical insulation gas pressure is excessive; making gas tank be stressed and deform, cause the electric elements displacement of extenal fixation, overall tightness decline in gas tank, serious meeting causes electric power accident; then cause the equipment cannot be properly functioning, affect user's normal power supply.
In order to solve above-mentioned technical problem, the technical solution of the utility model is achieved in the following ways: a kind of SF6Ring main unit on-line intelligence voltage-stabilizing system, including ring main unit, is provided with inside ring main unit for storing SF6The gas tank of gas, is internally located at gas tank lower end at ring main unit and is provided with installation cavity, is provided with on-line intelligence booster system and on-line intelligence depressurizing system installing in cavity:
On-line intelligence booster system includes baroceptor and the first electromagnetic valve being arranged on gas tank lower surface, and baroceptor is connected by the first transmission line and the first electromagnetic valve, is provided with SF installing cavity bottom6Gas tank, SF6Gas tank outlet is connected by the first flexible pipe and the first electromagnetic valve import, and the first electromagnetic valve outlet is internal with gas tank to be connected；
On-line intelligence depressurizing system includes the second electromagnetic valve being arranged on gas tank lower surface, baroceptor is connected by the second transmission line and the second electromagnetic valve, it is provided with vacuum gas tank installing cavity bottom, vacuum gas tank import is connected by the second flexible pipe and the second electromagnetic valve outlet, and the second electromagnetic valve import is internal with gas tank to be connected.
The technical scheme limited further:
Aforesaid SF6Ring main unit on-line intelligence voltage-stabilizing system, the first flexible pipe and the second flexible pipe use hydraulic hose, and hydraulic hose not only intensity is high, and service life is long, and low cost is safe and reliable.
Aforesaid SF6Ring main unit on-line intelligence voltage-stabilizing system, first electromagnetic valve and the second electromagnetic valve use gas unidirectional electromagnetic valve, use gas unidirectional electromagnetic valve to be avoided that gas backflow problem in pressure release and gas replenishment process, prevent internal noble gas to be contaminated, improve the safety and reliability of pressure leak process.
Aforesaid SF6Ring main unit on-line intelligence voltage-stabilizing system, SF6Being provided with the first air valve between gas tank and the first electromagnetic valve, be additionally provided with the second air valve between vacuum gas tank and the second electromagnetic valve, arranging air valve can conveniently operate, and improves work efficiency.
Aforesaid SF6Ring main unit on-line intelligence voltage-stabilizing system, SF6Pressure within gas tank is 0.2-1.2Mpa, and the purity of the gas of inside is more than 99.8%.
The beneficial effects of the utility model are: utilize baroceptor persistently to detect gas tank, when the gas tank in ring main unit occurs that gas leaks, the most persistently it can be carried out pneumatic compression by on-line intelligence booster system, it is inflated without returning factory, reduce maintenance cost, the safety and reliability of raising equipment, and automaticity is high；When internal pressure is excessive; releasing pressure automatically is got final product by on-line intelligence depressurizing system; ring main unit can not only be protected; avoid because built-in electrical insulation gas pressure is excessive; make gas tank be stressed and deform; cause the electric elements displacement of extenal fixation, overall tightness decline in gas tank; serious meeting causes electric power accident; then cause the equipment cannot be properly functioning; affect user's normal power supply, the problem solving the internal under-voltage and micro-leakage of gas tank of ring main unit, it is to avoid internal arc extinguishing ability declines; guarantee equipment and the most normal work, automaticity is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the close-up schematic view of A in Fig. 1；
Wherein: 1-ring main unit, 2-gas tank, 3-installs cavity, 4-baroceptor, 5-the first electromagnetic valve, 6-the first transmission line, 7-SF6Gas tank, 8-the first flexible pipe, 9-the second electromagnetic valve, 10-the second transmission line, 11-vacuum gas tank, 12-the second flexible pipe, 13-the first air valve, 14-the second air valve.
Detailed description of the invention
Below this utility model is described in further detail:
Embodiment 1
A kind of SF that the present embodiment provides6Ring main unit on-line intelligence voltage-stabilizing system, including ring main unit 1, ring main unit 1 is internal to be provided with for storing SF6The gas tank 2 of gas, is internally located at gas tank 2 lower end at ring main unit 1 and is provided with installation cavity 3, be provided with on-line intelligence booster system and on-line intelligence depressurizing system installing in cavity 3:
On-line intelligence booster system includes that baroceptor 4 and the first electromagnetic valve 5 being arranged on gas tank 2 lower surface, baroceptor 4 are connected with the first electromagnetic valve 5 by the first transmission line 6, is provided with SF installing bottom cavity 36Gas tank 7, SF6Gas tank 7 is exported and is connected with the first electromagnetic valve 5 import by the first flexible pipe 8, and the first electromagnetic valve 5 outlet is internal with gas tank 2 to be connected；
On-line intelligence depressurizing system includes the second electromagnetic valve 9 being arranged on gas tank 2 lower surface, baroceptor 4 is connected with the second electromagnetic valve 9 by the second transmission line 10, it is provided with vacuum gas tank 11 bottom cavity 3 installing, vacuum gas tank 11 import is connected with the second electromagnetic valve 9 outlet by the second flexible pipe 12, and the second electromagnetic valve 9 import is internal with gas tank 2 to be connected.
Wherein the first flexible pipe 8 and the second flexible pipe 12 use hydraulic hose；First electromagnetic valve 5 and the second electromagnetic valve 9 use gas unidirectional electromagnetic valve；SF6It is provided with the first air valve 13 between gas tank 7 and the first electromagnetic valve 5, between vacuum gas tank 11 and the second electromagnetic valve 9, is additionally provided with the second air valve 14；SF6Pressure within gas tank 7 is 1.2Mpa, and the purity of the gas of inside is 99.9%.
The work process of the present embodiment: gas tank 2 internal pressure is detected by baroceptor 4, when baroceptor 4 detects that pressure, to during less than setting value, transmits a signal to the first electromagnetic valve 5, and the first electromagnetic valve 5 is opened valve and pressurizes, SF6Gas in gas tank 7 is delivered in gas tank 2 by the first flexible pipe 8；When baroceptor 4 detect force value set in the range of, the first electromagnetic valve 5 cuts out valve；When baroceptor 4 detects that pressure is more than setting value, transmit a signal to the second electromagnetic valve 9, second electromagnetic valve 9 is opened valve and carries out pressure release, gas is delivered in vacuum gas tank 11 by the second flexible pipe 12, when baroceptor 4 detect force value set in the range of, the second electromagnetic valve 9 cuts out valve.
So by the technical scheme of the present embodiment, this SF6Ring main unit on-line intelligence voltage-stabilizing system is not only simple in structure, easy to operate, and work efficiency is high, and volume is little, and low cost is safe and reliable, and service life is long, and automaticity is high.
Above example only illustrates technological thought of the present utility model; protection domain of the present utility model can not be limited with this; every according to the technological thought that the utility model proposes, any change done on the basis of technical scheme, within each falling within this utility model protection domain.
Claims (4)
1. a SF6Ring main unit on-line intelligence voltage-stabilizing system, including ring main unit (1), described ring main unit (1) is internal to be provided with for storing SF6The gas tank (2) of gas, it is characterised in that: it is internally located at gas tank (2) lower end at described ring main unit (1) and is provided with installation cavity (3), described installation cavity (3) is provided with on-line intelligence booster system and on-line intelligence depressurizing system:
Described on-line intelligence booster system includes baroceptor (4) and the first electromagnetic valve (5) being arranged on gas tank (2) lower surface, described baroceptor (4) is connected with the first electromagnetic valve (5) by the first transmission line (6), is provided with SF in described installation cavity (3) bottom6Gas tank (7), described SF6Gas tank (7) outlet is connected with the first electromagnetic valve (5) import by the first flexible pipe (8), and the outlet of described first electromagnetic valve (5) is internal with gas tank (2) to be connected；
Described on-line intelligence depressurizing system includes the second electromagnetic valve (9) being arranged on gas tank (2) lower surface, described baroceptor (4) is connected with the second electromagnetic valve (9) by the second transmission line (10), it is provided with vacuum gas tank (11) in described installation cavity (3) bottom, the import of described vacuum gas tank (11) is connected with the second electromagnetic valve (9) outlet by the second flexible pipe (12), and the import of described second electromagnetic valve (9) is internal with gas tank (2) to be connected.
SF the most according to claim 16Ring main unit on-line intelligence voltage-stabilizing system, it is characterised in that: described first flexible pipe (8) and the second flexible pipe (12) use hydraulic hose.
SF the most according to claim 16Ring main unit on-line intelligence voltage-stabilizing system, it is characterised in that: described first electromagnetic valve (5) and the second electromagnetic valve (9) use gas unidirectional electromagnetic valve.
SF the most according to claim 16Ring main unit on-line intelligence voltage-stabilizing system, it is characterised in that: described SF6It is provided with the first air valve (13) between gas tank (7) and the first electromagnetic valve (5), between described vacuum gas tank (11) and the second electromagnetic valve (9), is additionally provided with the second air valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620133969.0U CN205429558U (en) | 2016-02-22 | 2016-02-22 | SF6 looped netowrk cabinet online intelligent steady voltage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620133969.0U CN205429558U (en) | 2016-02-22 | 2016-02-22 | SF6 looped netowrk cabinet online intelligent steady voltage system |
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| CN205429558U true CN205429558U (en) | 2016-08-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576545A (en) * | 2016-02-22 | 2016-05-11 | 江苏亿能电气有限公司 | Online intelligent voltage stabilizing system of SF6 ring main unit |
| CN109326986A (en) * | 2018-11-05 | 2019-02-12 | 许继集团有限公司 | A kind of gas-filling cabinet |
-
2016
- 2016-02-22 CN CN201620133969.0U patent/CN205429558U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576545A (en) * | 2016-02-22 | 2016-05-11 | 江苏亿能电气有限公司 | Online intelligent voltage stabilizing system of SF6 ring main unit |
| CN109326986A (en) * | 2018-11-05 | 2019-02-12 | 许继集团有限公司 | A kind of gas-filling cabinet |
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