CN108181202A - A kind of novel GIS SF6Density on-Line Monitor Device and system - Google Patents
A kind of novel GIS SF6Density on-Line Monitor Device and system Download PDFInfo
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- CN108181202A CN108181202A CN201810190443.XA CN201810190443A CN108181202A CN 108181202 A CN108181202 A CN 108181202A CN 201810190443 A CN201810190443 A CN 201810190443A CN 108181202 A CN108181202 A CN 108181202A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 230000006641 stabilisation Effects 0.000 claims description 18
- 238000011105 stabilization Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 230000003449 preventive effect Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 4
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003542 behavioural effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- LSJNBGSOIVSBBR-UHFFFAOYSA-N thionyl fluoride Chemical compound FS(F)=O LSJNBGSOIVSBBR-UHFFFAOYSA-N 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- -1 has HF Chemical compound 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910001512 metal fluoride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- OBTWBSRJZRCYQV-UHFFFAOYSA-N sulfuryl difluoride Chemical compound FS(F)(=O)=O OBTWBSRJZRCYQV-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
- G01R31/3274—Details related to measuring, e.g. sensing, displaying or computing; Measuring of variables related to the contact pieces, e.g. wear, position or resistance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
Abstract
The invention discloses a kind of novel GIS SF6Density on-Line Monitor Device and system, it is related to GIS device, differentiate pipeline and dynamic detection pipeline, supercharging device driving air pipe and the self-cleaning pipeline of system including characteristic gas, the GIS device differentiates that the solenoid valve V1 of pipeline is connected with characteristic gas, the solenoid valve V3 other ends are connected between solenoid valve V1, solenoid valve V2, the supercharging device driving air pipe is connected with the driving gas interface of supercharging device, and hand-operated valve S1 one end of the self-cleaning pipeline of system is connected to SF6Between filter and solenoid valve V3, outside the minipump other end communication chamber.Apparatus of the present invention can detect SO in gas chamber2、H2S、HF、CO、CF4And C3F8Wait characteristic gas content, can quick diagnosis go out equipment early stage internal fault, the generation of accident can be avoided.The system of the present invention can be to its plenum interior of GIS device SF6Density, pressure and decomposition product dynamic monitoring monitoring, data are provided for failure trend prediction.
Description
Technical field
The present invention relates to electrical substation monitoring technical field more particularly to a kind of novel GIS SF6Density on-Line Monitor Device
And system.
Background technology
GIS is high-tension apparatus of the great core of dosage in substation, carries out effective on-line monitoring to it, is accident
Prevention or breakdown judge provide data and the operating status for grasping GIS and stability action is huge.
At present, the SF of GIS gas chambers6Gaseous state monitoring is used frequently with mechanically coordinating digital teletransmission density monitor
Mode, realize live density, the output of contact point signal that pressure and temperature signal shows, alarms and is latched and data it is remote in real time
Pass output function.But in detection process, due to fixed point sampling and SF6Gasmetry zone gas forms static dead without flowing
Area, it is impossible to accurate to measure gas pressure or density in GIS (density data is converted by pressure, temperature value).
When GIS products are there are during failure, the SF of fault zone6Gas and solid insulating material are split under the action of heat and electricity
Solution, generating sulfide, fluoride and carbide, (sulfide mainly has SO2、H2S、SOF2、SF4And SO2F2, fluoride mainly has
HF、CF4And metal fluoride, carbide mainly have CO, CO2And low molecular hydrocarbons).SO is removed in above-mentioned decomposition product2、H2S, CO and CF4
Toxicity is smaller outer, and other is all violent in toxicity, and the content inside equipment is few and extremely unstable, is examined if cannot implement dynamic immediately
It surveys, then can be absorbed by the adsorbent built in GIS rapidly, the effectively acquisition that can not carry out failure gas is for further analysis.Wherein
SOF2、SF4SO is generated Deng can further hydrolyze again2(concentration is the direct summation decomposed and hydrolysis generates) and HF.A large amount of failures are real
Example is analysis shows H2S is the characteristic component and CO, CF of thermosetting epoxy resin cracking4、C3F8Gas can be used as GIS device to run
The characteristic gas of status assessment and live detection.Therefore, SO in gas chamber is detected2、H2S、HF、CO、CF4And C3F8Wait characteristic gas
Content, can quick diagnosis go out equipment early stage internal fault, the generation of accident can be avoided.
Therefore, it is necessary to design a kind of novel GIS SF6Density on-line monitoring system implements its plenum interior SF6Density,
Pressure and decomposition product dynamic monitoring monitoring, data are provided for failure trend prediction.
Invention content
The technical problems to be solved by the invention are that the prior art is unable to quick diagnosis and goes out equipment early stage internal fault
Defect provides a kind of novel GIS SF6Density on-Line Monitor Device and system.
The present invention is achieved by the following technical solutions：A kind of novel GIS SF6Density on-Line Monitor Device, is related to
To GIS device, including solenoid valve V1, solenoid valve V2, current-limiting apparatus, pressure gauge P1, check valve, supercharging device, safety valve, electromagnetism
Valve V4, band pressure show pressure reducing valve, accurate filter, air compressor machine, air filter, solenoid valve V3, SF6Filter, feature gas
Body warning module, SF6Density monitor, voltage stabilization and current stabilization device, pressure gauge P2, hand-operated valve S1, vacuum meter, inflation solenoid valve V5,
Minipump；
The solenoid valve V1, solenoid valve V2, current-limiting apparatus, pressure gauge P1, check valve, supercharging device, pressure gauge P2, voltage stabilizing
Constant-current stabilizer, SF6Density monitor, characteristic gas warning module, SF6Filter, solenoid valve V3 are sequentially connected in series composition characteristic
Gas differentiates pipeline and dynamic detection pipeline；
The air filter, air compressor machine, accurate filter, band pressure show pressure reducing valve, solenoid valve V4, safety valve successively
It is connected in series with and is connected to form supercharging device driving air pipe with the driving gas interface of supercharging device；
The hand-operated valve S1, vacuum meter, inflation solenoid valve V5, minipump are sequentially connected in series the self-cleaning pipe of composition system
Road；
The GIS device is connected with solenoid valve V1, the solenoid valve V3 other ends be connected to solenoid valve V1, solenoid valve V2 it
Between, described hand-operated valve S1 one end is connected to SF6Between filter and solenoid valve V3, the minipump other end communication chamber
Outside.
One of preferred embodiment as the present invention, the air compressor machine drive air source for oilless air compressor for supercharging device,
The supercharging device is oil-free booster body, and output pressure is by driving bleed pressure step-less adjustment and being driven by pipeline.
One of preferred embodiment as the present invention, the characteristic gas warning module is interior to contain measurement SF6Micro- water of gas,
H2S、SO2、HF、CO、CF4And C3F8The sensor of content, the SF6Density monitor measures SF6The pressure of gas, temperature and close
Degrees of data.
One of preferred embodiment as the present invention, further includes solenoid valve Vn, solenoid valve Vn+1, and the GIS device is several
A, corresponding each GIS device is connected to solenoid valve V3, SF by solenoid valve Vn, solenoid valve Vn+16Between filter
And between solenoid valve V2, solenoid valve V3.
As one of preferred embodiment of the present invention, the current-limiting apparatus is pressure reducing valve or flow controller, the voltage stabilizing
Constant-current stabilizer is the buffering tank body with flow control.
The invention also discloses a kind of novel GIS SF6Density on-line monitoring system, including host computer, PLC, SF6Density
Relay, characteristic gas warning module, the SF6Density monitor, characteristic gas warning module are connected with PLC controls, institute
It states host computer to be connected by communication by the RS485 and PLC of wireless transport module, the host computer and air compressor machine, vacuum pump, Mei Ge electricity
Magnet valve control is connected, and the host computer collects the press contact signal of pressure gauge P1, pressure gauge P2, and the host computer collects SF6
The density signal of density monitor.
One of preferred embodiment as the present invention, the SF6Density monitor acquisition GIS gas chambers SF6Temperature, pressure, density
Data.
One of preferred embodiment as the present invention, the SF of the characteristic gas warning module acquisition GIS gas chambers6Gas it is micro-
Water, H2S、SO2、HF、CO、CF4And C3F8Content data.
One of preferred embodiment as the present invention, further includes sound-light alarm, the host computer, SF6Density monitor, feature
Gas alarm module is equipped with sound-light alarm.
One of preferred embodiment as the present invention, the host computer passes through the wireless mode of GPRS and wireless transport module phase
Even, threshold parameter is set on the host computer, when host computer reception PLC feedacks, analyzes and set up for failure trend prediction
When, start sound-light alarm and operator on duty is notified to take preventive measures.
The present invention compared with prior art the advantages of be：Apparatus of the present invention can detect SO in gas chamber2、H2S、HF、CO、CF4With
C3F8Wait characteristic gas content, can quick diagnosis go out equipment early stage internal fault, the generation of accident can be avoided.The present invention be
System can be to its plenum interior of GIS device SF6Density, pressure and decomposition product dynamic monitoring monitoring, provide for failure trend prediction
Data.
Description of the drawings
Fig. 1 is the device of the invention structure principle chart；
Fig. 2 is the system block diagram of the present invention.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Such as Fig. 1：A kind of novel GIS SF6Density on-Line Monitor Device, is related to GIS device, including solenoid valve V1 (1),
Solenoid valve V2 (2), current-limiting apparatus (3), pressure gauge P1 (15), check valve (4), supercharging device (5), safety valve (14), solenoid valve
V4 (13), band pressure show pressure reducing valve (12), accurate filter (11), air compressor machine (10), air filter (9), solenoid valve V3
(8)、SF6Filter (7), characteristic gas warning module (6), SF6Density monitor (23), voltage stabilization and current stabilization device (24), pressure gauge
P2 (16), hand-operated valve S1 (17), vacuum meter (18), inflation solenoid valve V5 (19), minipump (20)；
The solenoid valve V1 (1), solenoid valve V2 (2), current-limiting apparatus (3), pressure gauge P1 (15), check valve (4), supercharging dress
Put (5), pressure gauge P2 (16), voltage stabilization and current stabilization device (24), SF6Density monitor (23), characteristic gas warning module (6), SF6
Filter (7), solenoid valve V3 (8) are sequentially connected in series composition characteristic gas and differentiate pipeline and dynamic detection pipeline；
The air filter (9), air compressor machine (10), accurate filter (11), band pressure show pressure reducing valve (12), electromagnetism
Valve V4 (13), safety valve (14) are sequentially connected in series and are connected to form supercharging device driving gas with the driving gas interface of supercharging device
Pipeline；
The hand-operated valve S1 (17), vacuum meter (18), inflation solenoid valve V5 (19), minipump (20) company of being sequentially connected in series
Connect the self-cleaning pipeline of composition system；
The GIS device is connected with solenoid valve V1 (4), solenoid valve V3 (8) other end be connected to solenoid valve V1 (1),
Between solenoid valve V2 (2), described hand-operated valve S1 (17) one end is connected to SF6It is described between filter (7) and solenoid valve V3 (8)
Outside minipump (20) other end communication chamber..
One of preferred embodiment as the present invention air compressor machine (10) drives for oilless air compressor for supercharging device (5)
Air source, the supercharging device (5) are oil-free booster body, and output pressure is by driving bleed pressure step-less adjustment and passing through pipeline
Driving.
Contain measurement SF in one of preferred embodiment as the present invention characteristic gas warning module (6)6Gas it is micro-
Water, H2S、SO2、HF、CO、CF4And C3F8The sensor of content, the SF6Density monitor (23) measures SF6The pressure of gas,
Temperature and density data.
One of preferred embodiment as the present invention further includes solenoid valve Vn (21), solenoid valve Vn+1 (22), the GIS device
For several, corresponding each GIS device is connected to solenoid valve V3 by solenoid valve Vn (21), solenoid valve Vn+1 (22)
(8)、SF6Between filter (7) and between solenoid valve V2 (2), solenoid valve V3 (8).
As one of preferred embodiment of the present invention, the current-limiting apparatus (3) is pressure reducing valve or flow controller, described steady
It is the buffering tank body with flow control to press constant-current stabilizer (24).
It is present apparatus function and operating method introduction below：
The reset condition of hand-operated valve S1, solenoid valve V1, V2, V3, V4, Vn, Vn+1 and inflation solenoid valve V5 are to close shape
State.
Pipeline is self-cleaning：By 25GIS gas chambers interface 1,26GIS gas chamber interfaces n accesses corresponding GIS gas chambers, opens 1 solenoid valve
V1,2 solenoid valve V2,8 solenoid valve V3,21 solenoid valve Vn, 22 solenoid valve Vn+1,19 inflation solenoid valve V5 and 20 vacuum pumps, are opened
17 hand-operated valve S1 start that system pipeline vacuumize self-cleaning.When 18 vacuum are calculated as 133Pa, close successively 17 hand-operated valve S1,
19 inflation solenoid valve V5,20 vacuum pumps, 1 solenoid valve V1,2 solenoid valve V2,8 solenoid valve V3,21 solenoid valve Vn, 22 solenoid valve Vn+
1。
Density is monitored on-line
1. GIS-1 gas chamber dynamic monitorings：System opens 1 solenoid valve V1,2 solenoid valve V2, opens 10 air compressor machines, adjusts 12 and subtracts
Pressure valve is shown as 0.6MPa, and 5 supercharging device rear end output pressures are 1.2MPa (being observed by 16 pressure gauges 2) at this time, then are passed through
24 voltage stabilization and current stabilization devices, 23SF6Density monitor, then through 7SF6Filter filters, and 8 solenoid valve V3 is then turned on, due to 3 current limlitings
Device obstructs, and high pressure gas reversely charging to GIS-1 interfaces forms cycle disturbance and realizes online Dynamic Data Acquiring.Disturbing the time should
It is interim, for example, summer 2h/ times, winter 1h/ times.In perturbation process, pass through 23SF6Density monitor equal time takes 5 times
Sample takes its pressure mean values as measured value.After 10min, 2 solenoid valve V2 are closed, when 15 pressure gauges 1 are 0MPa, close 10 pneumatics
Machine.Pass through 23SF after stablizing 5min6Density monitor equal time takes 3 samples to take its pressure mean values as measured value, then
8 solenoid valve V3,1 solenoid valve V1 are closed successively.
2. GIS-n gas chamber dynamic monitorings：System opens 22 solenoid valve Vn+1,2 solenoid valve V2, opens 10 air compressor machines, adjusts
12 pressure reducing valves are shown as 0.6MPa, and 5 supercharging device rear end output pressures are 1.2MPa (being observed by 16 pressure gauges 2) at this time, then
Pass through 24 voltage stabilization and current stabilization devices, 23SF6Density monitor, then through 7SF6Filter filters, and 21 solenoid valve Vn is then turned on, due to 3
Current-limiting apparatus obstructs, and high pressure gas reversely charging to GIS-n interfaces forms cycle disturbance and realizes online Dynamic Data Acquiring.Disturb the time
Should be interim, for example, summer 2h/ times, winter 1h/ times.In perturbation process, pass through 23SF6Density monitor equal time takes
5 samples take its pressure mean values as measured value.After 10min, 22 solenoid valve Vn+1 are closed, when 15 pressure gauges 1 are 0MPa, are closed
10 air compressor machines.Pass through 23SF after stablizing 5min6Density monitor equal time takes 3 samples to take its pressure mean values as measurement
Value, is then shut off 21 solenoid valve Vn.
Characteristic gas differentiates
1. GIS-1 gas chambers monitor：System opens 1 solenoid valve V1,2 solenoid valve V2, opens 10 air compressor machines, adjusts 12 pressure reducing valves
0.6MPa is shown as, 5 supercharging device rear end output pressures are 1.2MPa (being observed by 16 pressure gauges 2) at this time, then steady by 24
Constant-current stabilizer, 6 characteristic gas warning modules are pressed, then through 7SF6Filter filters, and is then turned on 8 solenoid valve V3, since 3 current limlitings fill
Barrier is put, high pressure gas reversely charging to GIS-1 interfaces forms cycle disturbance and realizes online behavioral characteristics gas data acquisition.During disturbance
Between should be interim, such as summer 4h/ times, winter 2h/ times.In perturbation process, during by 6 characteristic gas warning module equalization
Between 3 samples is taken to take its pressure mean values as measured value.After 10min, 2 solenoid valve V2 are closed, when 15 pressure gauges 1 are 0MPa, are closed
Close 10 air compressor machines.Take 5 samples that its pressure mean values is taken to be used as survey by 6 characteristic gas warning module equal times after stable 5min
Then magnitude closes 8 solenoid valve V3,1 solenoid valve V1 successively.
2. GIS-n gas chambers monitor：System opens 22 solenoid valve Vn+1,2 solenoid valve V2, opens 10 air compressor machines, adjusts 12 and subtracts
Pressure valve is shown as 0.6MPa, and 5 supercharging device rear end output pressures are 1.2MPa (being observed by 16 pressure gauges 2) at this time, then are passed through
24 voltage stabilization and current stabilization devices, 6 characteristic gas warning modules, then through 7SF6Filter filters, and 21 solenoid valve Vn is then turned on, due to 3
Current-limiting apparatus obstructs, and high pressure gas reversely charging to GIS-n interfaces forms cycle disturbance and realizes online behavioral characteristics gas data acquisition.
Disturb what the time should be interim, such as summer 4h/ times, winter 2h/ times.In perturbation process, pass through 6 characteristic gas warning modules
Equal time takes 3 samples to take its pressure mean values as measured value.After 10min, 22 solenoid valve Vn+1 are closed, 15 pressure gauges 1 are
During 0MPa, 10 air compressor machines are closed.Pass through 23SF after stablizing 5min6Density monitor equal time takes 5 samples that its pressure is taken to be averaged
Value is then shut off 21 solenoid valve Vn as measured value.
Such as Fig. 2：The invention also discloses a kind of novel GIS SF6Density on-line monitoring system, including host computer, PLC,
SF6Density monitor, characteristic gas warning module, the SF6Density monitor, characteristic gas warning module control phase with PLC
Even, the host computer is connected by communication by the RS485 and PLC of wireless transport module, the host computer and air compressor machine, vacuum pump,
Each solenoid valve control is connected, and the host computer collects the press contact signal of pressure gauge P1, pressure gauge P2, and the host computer is received
Collect SF6The density signal of density monitor.
One of preferred embodiment as the present invention, the SF6Density monitor acquisition GIS gas chambers SF6Temperature, pressure, density
Data.
One of preferred embodiment as the present invention, the SF of the characteristic gas warning module acquisition GIS gas chambers6Gas it is micro-
Water, H2S、SO2、HF、CO、CF4And C3F8Content data.
One of preferred embodiment as the present invention, further includes sound-light alarm, the host computer, SF6Density monitor, feature
Gas alarm module is equipped with sound-light alarm.
One of preferred embodiment as the present invention, the host computer passes through the wireless mode of GPRS and wireless transport module phase
Even, threshold parameter is set on the host computer, when host computer reception PLC feedacks, analyzes and set up for failure trend prediction
When, start sound-light alarm and operator on duty is notified to take preventive measures.
System function principles and methods for the present invention below：
After present system uses host computer+PLC control modes, system to open, relevant parameter is carried out to upper computer software
Setting sends out instruction and carries out data acquisition and perform corresponding actions by program.After meeting failure trend prediction conditional procedure, system
Sound-light alarm and operator on duty is notified to take preventive measures at once, avoid accident.
The output control of PLC On-off signals：Output solenoid valve V1, V2, V3, V4, V5, Vn, Vn+1, vacuum pump and pneumatics
Machine.Input P1, P2 pressure and density signal.
SF6Density monitor：Gathered data is respectively GIS gas chambers SF6Temperature, pressure, density, data are by PLC and wirelessly
Communication module RS485 is communicated, and then wireless remote transmission to host computer carries out real time monitoring storage and failure trend prediction, inside modules
Threshold value is set, and the sound-light alarm for abnormal output setting occur starts at once, convenient for quick lock in abort situation.
Characteristic gas warning module：Gathered data is respectively GIS gas chambers SF6Micro- water, H2S、SO2、HF、CO、CF4And C3F8Contain
Amount, data are communicated by PLC and wireless communication module RS485, and then wireless remote transmission to host computer carries out real time monitoring storage simultaneously
Predict fault trend, inside modules setting threshold value, the sound-light alarm for abnormal output setting occur starts at once, convenient for quick lock in
Abort situation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of novel GIS SF6Density on-Line Monitor Device, is related to GIS device, which is characterized in that including solenoid valve V1
(1), solenoid valve V2 (2), current-limiting apparatus (3), pressure gauge P1 (15), check valve (4), supercharging device (5), safety valve (14), electricity
Magnet valve V4 (13), band pressure show pressure reducing valve (12), accurate filter (11), air compressor machine (10), air filter (9), electromagnetism
Valve V3 (8), SF6Filter (7), characteristic gas warning module (6), SF6Density monitor (23), voltage stabilization and current stabilization device (24), pressure
Power table P2 (16), hand-operated valve S1 (17), vacuum meter (18), inflation solenoid valve V5 (19), minipump (20)；
The solenoid valve V1 (1), solenoid valve V2 (2), current-limiting apparatus (3), pressure gauge P1 (15), check valve (4), supercharging device
(5), pressure gauge P2 (16), voltage stabilization and current stabilization device (24), SF6Density monitor (23), characteristic gas warning module (6), SF6It crosses
Filter (7), solenoid valve V3 (8) are sequentially connected in series composition characteristic gas and differentiate pipeline and dynamic detection pipeline；
The air filter (9), air compressor machine (10), accurate filter (11), band pressure show pressure reducing valve (12), solenoid valve V4
(13), safety valve (14) is sequentially connected in series and is connected to form supercharging device driving tracheae with the driving gas interface of supercharging device
Road；
The hand-operated valve S1 (17), vacuum meter (18), inflation solenoid valve V5 (19), minipump (20) are sequentially connected in series group
Into the self-cleaning pipeline of system；
The GIS device is connected with solenoid valve V1 (4), and solenoid valve V3 (8) other end is connected to solenoid valve V1 (1), electromagnetism
Between valve V2 (2), described hand-operated valve S1 (17) one end is connected to SF6It is described miniature between filter (7) and solenoid valve V3 (8)
Outside vacuum pump (20) other end communication chamber.
2. novel GIS SF according to claim 16Density on-Line Monitor Device, which is characterized in that the air compressor machine
(10) air source is driven for supercharging device (5) for oilless air compressor, the supercharging device (5) is oil-free booster body, exports gas
Pressure is by driving bleed pressure step-less adjustment and being driven by pipeline.
3. novel GIS SF according to claim 16Density on-Line Monitor Device, which is characterized in that the characteristic gas
Contain measurement SF in warning module (6)6Micro- water, the H of gas2S、SO2、HF、CO、CF4And C3F8The sensor of content, the SF6
Density monitor (23) measures SF6Pressure, temperature and the density data of gas.
4. novel GIS SF according to claim 16Density on-Line Monitor Device, which is characterized in that further include solenoid valve
Vn (21), solenoid valve Vn+1 (22), the GIS device are several, and corresponding each GIS device passes through solenoid valve Vn
(21), solenoid valve Vn+1 (22) is connected to solenoid valve V3 (8), SF6Between filter (7) and solenoid valve V2 (2), electromagnetism
Between valve V3 (8).
5. novel GIS SF according to claim 16Density on-Line Monitor Device, which is characterized in that the current-limiting apparatus
(3) it is pressure reducing valve or flow controller, the voltage stabilization and current stabilization device (24) is the buffering tank body with flow control.
It is 6. a kind of according to any novel GIS SF of claim 1-56Density on-line monitoring system, which is characterized in that packet
Include host computer, PLC, SF6Density monitor, characteristic gas warning module, the SF6Density monitor, characteristic gas warning module
It is connected with PLC controls, the host computer is connected by communication by the RS485 and PLC of wireless transport module, the host computer and sky
Press, vacuum pump, each solenoid valve control are connected, and the host computer collects the press contact signal of pressure gauge P1, pressure gauge P2,
The host computer collects SF6The density signal of density monitor.
7. novel GIS SF according to claim 66Density on-line monitoring system, which is characterized in that the SF6Density after
Electric appliance acquisition GIS gas chambers SF6Temperature, pressure, density data.
8. novel GIS SF according to claim 66Density on-line monitoring system, which is characterized in that the characteristic gas
Warning module acquires the SF of GIS gas chambers6Micro- water, the H of gas2S、SO2、HF、CO、CF4And C3F8Content data.
9. novel GIS SF according to claim 66Density on-line monitoring system, which is characterized in that further include acousto-optic report
It is alert, the host computer, SF6Density monitor, characteristic gas warning module are equipped with sound-light alarm.
10. novel GIS SF according to claim 66Density on-line monitoring system, which is characterized in that the host computer leads to
The wireless mode for crossing GPRS is connected with wireless transport module, and threshold parameter is set on the host computer, when host computer reception PLC is anti-
The information of feedback is analyzed when being set up for failure trend prediction, is started sound-light alarm and simultaneously operator on duty is notified to take preventive measures.
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| CN201810190443.XA CN108181202B (en) | 2018-03-08 | 2018-03-08 | Novel SF for GIS 6 Density on-line monitoring device and system |
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