CN206020373U - A kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring - Google Patents
A kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring Download PDFInfo
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- CN206020373U CN206020373U CN201620934096.3U CN201620934096U CN206020373U CN 206020373 U CN206020373 U CN 206020373U CN 201620934096 U CN201620934096 U CN 201620934096U CN 206020373 U CN206020373 U CN 206020373U
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Abstract
The utility model discloses a kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring, including GIS storehouses a, GIS storehouse b, screen pack a, threeway a, magnetic valve a, pressure sensor a, four-way and micro- water sensor, due to being device that multiple stage GIS device is simultaneously connected to a set of SF6 gases analyte, purity and humidity on-line monitoring；Using its low cost, monitoring SF6 gas many indexes, so as to monitor multiple Hidden faults of GIS and defect in operation, the device of on-line monitoring can be carried out to multiple decomposition components (SO2, H2S, CO, CF4), SF6 purity and moisture in GIS storehouses, the deficiencies in the prior art can be overcome, solution separate unit on-Line Monitor Device is not comprehensive enough to the index that multiple analytes in single GIS storehouses carry out on-line monitoring, relatively costly, it is unfavorable for the problem of popularity application.
Description
Technical field
The utility model is related to a kind of device of on-line monitoring, more particularly to a kind of to SF in GIS6Gas analyte, pure
Degree and the device of humidity on-line monitoring, category power equipment monitoring field.
Background technology
Sulfur hexafluoride (SF6) gas has excellent insulation and arc extinction performance, in gas insulation electric appliance (Gas
Insulated Switchgear, GIS) in be used widely.Under normal circumstances, SF6Chemical property sufficiently stable, be difficult
Decompose.But discharging or crossing under heat effect, SF6Can decompose, and the multiple low-fluorine sulfides for producing, these low-fluorine sulfides
Can be with the micro O of presence inside GIS2、H2O and solid insulating material react, and generate SO2、CF4、HF、H2S、CO、SOF2、
SO2F2、SO2F10Etc. multiple relatively stable catabolites.In SF6The early stage of equipment fault diagnosis, traditional electrical test
Method is difficult to discover the early stage latency insulation fault inside GIS, and to the SF inside GIS6Gas carries out component analysis, not only
Can Hidden fault effectively in discovering device, and Primary Location can be carried out to failure so that SF6Decomposition components method judges equipment
Operation conditions becomes current study hotspot.Many experiments room and field experience show, SF6Main decomposition thing be SO2、HF、
SOF2、SO2F2Deng if failure is related to solid insulating material, also producing H2S、CO、CF4Etc. decomposition components.
As the suction-operated of GIS internal adsorbents affects larger on the composition of analyte and content, offline inspection is caused
Result can not reflect the failure condition of device interior well, to multiple SF inside GIS6Catabolite carries out on-line monitoring ten
Divide necessity.
The leakage defect of GIS is relatively conventional in operation equipment, and generally existing is because of design, manufacture, installation and operation dimension
The problems such as protecting improper, and cause equipment SF6The slow leakage of gas.On the one hand, SF6The leakage of gas can reduce the insulation of equipment
Performance, affects the safe operation of equipment.On the other hand, SF6Gas has strong greenhouse effects, is CO223900 times, it lets out
Leakage will result in severe contamination to atmospheric environment.At present to SF6The detection means of electrical equipment leakage mainly adopts off-line type, online
Monitoring can solve monitor in real time SF6The problem of slow leakage.
Additionally, GIS device is made moist, defect has just been attracted wide attention early in equipment initial operating stage, and moisture is
Wherein highly important index.Offline inspection SF6In gas, micro-water content (humidity) had been found that a lot of defects of making moist, but 3 years
Offline inspection once can not find that early stage makes moist in time.On-line monitoring can make moist defect in early days of discovering device in time, it is to avoid
The discovery of equipment fault.
It is SF that notification number is CN104198393B. patent names6Decomposed gas component on-line monitoring system in electrical equipment
And method, successfully developed separate unit optoacoustic spectroscopy on-Line Monitor Device single GIS storehouses are carried out multiple analyte components
Line is monitored.Additionally, notification number is CN204302440U, patent name is can be to multiple stage SF6Insulation of electrical installation state and moisture
The device of on-line monitoring is carried out, and separate unit is also developed to multiple stage SF6The SF of electrical equipment6Purity, SO2Content and micro-water content
On-Line Monitor Device.
But find in use, only realize that separate unit carries out on-line monitoring to multiple analytes in single GIS storehouses
Index is not comprehensive enough, and cost is also higher, is unfavorable for popularity application.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of to SF in GIS6Gas analyte, purity and humidity exist
The device of line monitoring, using a kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring is realized a kind of low
Cost, monitoring SF6Gas many indexes, so as to monitor operation in GIS multiple Hidden faults and defect, can be to GIS storehouses in
Multiple decomposition components (SO2、H2S、CO、CF4)、SF6Purity and moisture carry out the device of on-line monitoring, can overcome prior art
Deficiency, it is not comprehensive enough to index that multiple analytes in single GIS storehouses carry out on-line monitoring to solve separate unit on-Line Monitor Device,
Relatively costly, it is unfavorable for the problem of popularity application.
The technical scheme that the utility model is taken is：A kind of to SF in GIS6Gas analyte, purity and humidity are supervised online
The device of survey, senses including GIS storehouses a, GIS storehouse b, screen pack a, threeway a, magnetic valve a, pressure sensor a, four-way and micro- water
Device, described GIS storehouses a by the connection of screen pack a, threeway a, magnetic valve a and four-way first interface, GIS storehouses b by screen pack b,
Threeway b, magnetic valve b and the connection of four-way second interface, GIS storehouses c pass through screen pack c, threeway c, the 3rd interface of magnetic valve c and four-way
Connection；The 4th interface of four-way and SF6The device pressure-reducing valve a entrances connection of gas analyte, purity and humidity on-line monitoring, described
Pressure-reducing valve a, threeway d, ball valve a, flowmeter a, SF6Purity sensor, buffer room, pressure sensor a, pressure sensor b,
Micro- water sensor, magnetic valve d, permanent flow valve a, infrared photo acoustic sensor detect multiple analyte units, permanent flow valve b, magnetic valve e, three
Logical e, ball valve b, magnetic valve f, vacuum pressed pump, magnetic valve h, magnetic valve g, triple valve f, ball valve c are installed in SF6Gas point
In the device of solution thing, purity and humidity on-line monitoring；SF6The device of gas analyte, purity and humidity on-line monitoring is by electricity
Control four-way switching valve is respectively through check valve a, check valve b and check valve c and threeway a, threeway b, threeway c connections.
Described SF6The device pressure-reducing valve a of gas analyte, purity and humidity on-line monitoring is through threeway d, flowmeter a, SF6
Purity sensor, buffer room, magnetic valve d, permanent flow valve a, infrared photo acoustic sensor detect multiple analyte units, permanent flow valve b, electricity
Magnet valve e, threeway e, magnetic valve f, vacuum pressed pump and magnetic valve h connection；Described vavuum pump is through ball valve c, threeway f and magnetic valve
G is connected with threeway e.
Described pressure sensor a and micro- water sensor are arranged on buffer air chamber.
Described pressure sensor b detects multiple analyte units installed in infrared photo acoustic sensor.
Described demarcation air inlet is connected with threeway d through ball valve a.
Described demarcation exhaust outlet is connected with threeway e through ball valve b.
SF using the technical program6The device of gas analyte, purity and humidity on-line monitoring, due to being multiple stage GIS
Equipment is simultaneously connected to a set of SF6The device of gas analyte, purity and humidity on-line monitoring, in equipment installation, only
Need to vacuumize equipment and proving operation, you can in guarantee equipment, there is no other disturbing factors, so as to not result in point
Analysis data distortion, is needing to carry out SF to equipment6When gas analyte, purity and humidity are monitored analysis, it is only necessary to will be right
The GIS for answering and SF6The screen pack of the device connection of gas analyte, purity and humidity on-line monitoring, threeway, magnetic valve and four
Logical corresponding valve is opened, as long as SF6The device of gas analyte, purity and humidity on-line monitoring is in normal condition,
Can be to the SF in the GIS storehouses6Gas analyte, purity and humidity realize on-line monitoring.Monitoring finishes closing GIS storehouses and SF6Gas
The screen pack of the device connection of body analyte, purity and humidity on-line monitoring, threeway, magnetic valve and the corresponding valve of four-way are
Can, you can other GIS storehouses are analyzed, so as to realize SF6The device pair of gas analyte, purity and humidity on-line monitoring
Realize the function of monitoring in multiple GIS storehouses.
SF of the present utility model6The device pressure-reducing valve a of gas analyte, purity and humidity on-line monitoring is through threeway d, flow
Meter a, SF6Purity sensor, buffer room, magnetic valve d, permanent flow valve a, infrared photo acoustic sensor detect multiple analyte units, perseverance
Stream valve b, magnetic valve e, threeway e, magnetic valve f, vacuum pressed pump and magnetic valve h connections；Described vavuum pump is through ball valve c, threeway
F and magnetic valve g are connected with threeway e.For SF6Gas analyte, purity and humidity on-line monitoring can achieve multicomponent analyte
Detection.
Pressure sensor a of the present utility model and micro- water sensor are arranged on buffer air chamber, and buffer air chamber stable conditions can
Ensure that the data of detection are more accurate.
Pressure sensor b of the present utility model detects multiple analyte units installed in infrared photo acoustic sensor, due to pressure
Need to stablize in 1 atmospheric pressure, detect multiple analyte contents, be easy to measurement data stable.
Gas air inlet of the present utility model is connected with threeway d through ball valve a, for being passed through Standard Gases calibration facility.
Gas exhaust outlet of the present utility model is connected with threeway e through ball valve b, for discharge standard gas.
Compared with the prior art, the utility model is optimized on the basis of existing, have devised separate unit on-line monitoring dress
Put while carrying out multiple gases decomposition components, SF to multiple GIS storehouses6Purity and the real-time monitoring of humidity, it is ensured that multiple devices quilt
The gas of detection does not mix mutually.SF with single pair of list6In electrical equipment, decomposed gas component on-line monitoring system is compared, significantly
Degree reduces cost, and extends monitoring index, and monitoring device defect more fully, and can be to multiple stage SF6Insulation of electrical installation
State and moisture carry out the device of on-line monitoring and compare, and simplify number, threeway number and the gas branch road of sensor, and energy
Multiple analytes are detected, commonly used beneficial to implementing at GIS stations.
In sum, using a kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring realizes one
Plant low cost, monitoring SF6Gas many indexes, so as to monitor multiple Hidden faults of GIS and defect in operation, can be to GIS
Multiple decomposition components (SO in storehouse2、H2S、CO、CF4)、SF6Purity and moisture carry out the device of on-line monitoring, can overcome existing
The deficiency of technology, solution separate unit on-Line Monitor Device are inadequate to the index that multiple analytes in single GIS storehouses carry out on-line monitoring
Comprehensively, relatively costly, it is unfavorable for the problem of popularity application.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to utility model.
As shown in figure 1, a kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring, including GIS storehouses
A, GIS storehouse b, GIS storehouse c, screen pack a, screen pack b, screen pack c, threeway a, threeway b, threeway c, magnetic valve a, magnetic valve b, electricity
Magnet valve c, four-way, pressure-reducing valve a, threeway d, ball valve a, flowmeter a, SF6Purity sensor, buffer room, pressure sensor a, pressure
Force snesor b, micro- water sensor, magnetic valve d, permanent flow valve a, infrared photo acoustic sensor detect multiple analyte units, permanent flow valve b,
Magnetic valve e, threeway e, ball valve b, magnetic valve f, vacuum pressed pump, magnetic valve h, magnetic valve g, triple valve f and ball valve c, described
GIS storehouses a passes through screen pack b, threeway b, electricity by the connection of screen pack a, threeway a, magnetic valve a and four-way first interface, GIS storehouses b
Magnet valve b and the connection of four-way second interface, GIS storehouses c is by the connection of screen pack c, threeway c, magnetic valve c and the 3rd interface of four-way；Four
Logical 4th interface and SF6The device pressure-reducing valve a entrances connection of gas analyte, purity and humidity on-line monitoring, described decompression
Valve a, threeway d, ball valve a, flowmeter a, SF6Purity sensor, buffer room, pressure sensor a, pressure sensor b, micro- water are passed
Sensor, magnetic valve d, permanent flow valve a, infrared photo acoustic sensor detect multiple analyte units, permanent flow valve b, magnetic valve e, threeway e, ball
Valve b, magnetic valve f, vacuum pressed pump, magnetic valve h, magnetic valve g, triple valve f, ball valve c are installed in SF6Gas analyte, pure
In the device of degree and humidity on-line monitoring；SF6The device of gas analyte, purity and humidity on-line monitoring is cut by electrically controlled 4-way
Valve is changed respectively through check valve a, check valve b and check valve c and threeway a, threeway b, threeway c connections.
Complete, after equipment installation, to take out equipment by following two steps first according to the technical solution of the utility model
Vacuum and proving operation:
The first step, all valves of opening (are integrally vacuumized except opening ball valve a and ball valve b) carry out device, prevent air to dress
Put the impact of gas circuit.
Second step, Standard Gases are got out to transducer calibration, sensor includes infrared sensor (monitoring SF6Purity), red
Outer photoacoustic sensors unit (the multiple SF of monitoring6Gas analyte) and resistance capacitance formula sensor (the micro- water of monitoring), by Standard Gases
Body is passed through from air inlet is demarcated, then is discharged from gas outlet is demarcated, and after the completion of transducer calibration, is closed to demarcate and is imported and exported ball valve a
With ball valve b, integrally vacuumize again.
Equipment can just start to measure after completing to vacuumize, following 3 steps of measurement experience:
1st, magnetic valve b, magnetic valve c, magnetic valve f and magnetic valve g is closed, opens magnetic valve a.In the GIS storehouses a on the left side
Gas is controlled by flowmeter a after pressure-reducing valve is adjusted to 2 atmospheric pressure, enters SF with 150mL/min6Purity determination list
Unit, after measurement data is stable enters buffer air chamber, detects micro-water content, controls buffer air chamber pressure value for 1.4 air
Pressure, then magnetic valve d, permanent flow valve a and permanent flow valve b is opened, infrared photo acoustic sensor is inflated, stable in 1 atmospheric pressure, inspection
Multiple analyte contents are surveyed, until measurement data is stable.
2nd, magnetic valve f, magnetic valve h are opened (check valve a) is only connected, vacuum pressed pump is opened will with electrically controlled 4-way switching valve
In gas and buffer air chamber, residual gas all sends GIS storehouses a bodies back to.
3rd, left side SF is completed6After the measurement of electrical equipment, vacuumize, the gas in the GIS storehouses c on middle GIS storehouses b and the right
The step of bulk measurement repeats the left side.
The utility model can achieve separate unit on-Line Monitor Device to multiple gases decomposition components (SO in 3 GIS storehouses2、H2S、
CO、CF4)、SF6Purity and the detection of humidity, but be not limited only to multiple gases decomposition components (SO in 3 GIS storehouses2、H2S、CO、
CF4)、SF6Purity and the detection of humidity, and the decomposition components for covering are not limited to above-mentioned four kinds of decomposition components, it is only necessary in detection
Device portal increases gas and is passed through interface and can complete to detect the GIS storehouses of more multiple stage, need to suitably adjust sensor i.e.
Can achieve the detection of more decomposition components.
Claims (6)
1. a kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring, including GIS storehouses a, GIS storehouse b, filtration
Net a, threeway a, magnetic valve a, pressure sensor a, four-way and micro- water sensor, it is characterised in that：Described GIS storehouses a passed through
The connection of filter screen a, threeway a, magnetic valve a and four-way first interface, GIS storehouses b is by screen pack b, threeway b, magnetic valve b and four-way the
Two interfaces connect, and GIS storehouses c is by the connection of screen pack c, threeway c, magnetic valve c and the 3rd interface of four-way；The 4th interface of four-way with
SF6The device pressure-reducing valve a entrances connection of gas analyte, purity and humidity on-line monitoring, described pressure-reducing valve a, threeway d, ball
Valve a, flowmeter a, SF6Purity sensor, buffer room, pressure sensor a, pressure sensor b, micro- water sensor, magnetic valve
D, permanent flow valve a, infrared photo acoustic sensor detect multiple analyte units, permanent flow valve b, magnetic valve e, threeway e, ball valve b, magnetic valve f,
Vacuum pressed pump, magnetic valve h, magnetic valve g, triple valve f, ball valve c are installed in SF6Gas analyte, purity and humidity are online
In the device of monitoring； SF6The device of gas analyte, purity and humidity on-line monitoring is passed through respectively by electrically controlled 4-way switching valve
Cross check valve a, check valve b and check valve c and threeway a, threeway b, threeway c connections.
2. according to claim 1 a kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring, its
It is characterised by：Described SF6The device pressure-reducing valve a of gas analyte, purity and humidity on-line monitoring through threeway d, flowmeter a,
SF6Purity sensor, buffer room, magnetic valve d, permanent flow valve a, infrared photo acoustic sensor detect multiple analyte units, permanent flow valve
B, magnetic valve e, threeway e, magnetic valve f, vacuum pressed pump and magnetic valve h connection；Described vavuum pump is through ball valve c, threeway f and electricity
Magnet valve g is connected with threeway e.
3. according to claim 1 a kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring, its
It is characterised by：Described pressure sensor a and micro- water sensor are arranged on buffer air chamber.
4. according to claim 1 a kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring, its
It is characterised by：Described pressure sensor b detects multiple analyte units installed in infrared photo acoustic sensor.
5. according to claim 1 a kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring, its
It is characterised by：Described threeway d is connected with air inlet is demarcated through ball valve a.
6. according to claim 1 and 2 a kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring,
It is characterized in that：Described threeway e is connected with exhaust outlet is demarcated through ball valve b.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620934096.3U CN206020373U (en) | 2016-08-25 | 2016-08-25 | A kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934096.3U CN206020373U (en) | 2016-08-25 | 2016-08-25 | A kind of to SF in GIS6The device of gas analyte, purity and humidity on-line monitoring |
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| CN107144553A (en) * | 2017-05-27 | 2017-09-08 | 贵州电网有限责任公司电力科学研究院 | A kind of Ultraluminescence detects SF6SO in electrical equipment2The device and method of content |
| CN107167449A (en) * | 2017-05-27 | 2017-09-15 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of multi-parameter comprehensive monitoring device of sulfur hexafluoride decomposition gas |
| CN108181202A (en) * | 2018-03-08 | 2018-06-19 | 国网安徽省电力有限公司电力科学研究院 | A kind of novel GIS SF6Density on-Line Monitor Device and system |
| CN108387637A (en) * | 2018-05-11 | 2018-08-10 | 沈阳工业大学 | A kind of experimental provision that metal particle is innoxious and method |
| CN108732104A (en) * | 2018-04-18 | 2018-11-02 | 中国科学院合肥物质科学研究院 | A kind of photo-acoustic spectrometer on-line measuring device |
| CN109470766A (en) * | 2018-12-21 | 2019-03-15 | 国网内蒙古东部电力有限公司电力科学研究院 | More electrical equipment SF6On-line checking gas circuit |
| CN110794089A (en) * | 2019-10-22 | 2020-02-14 | 国网浙江省电力有限公司绍兴供电公司 | Rapid detector and method for gas marker decomposition products after SF6 equipment failure |
| CN112697747A (en) * | 2020-12-04 | 2021-04-23 | 贵州电网有限责任公司 | Device and method for detecting decomposer, moisture and purity in sulfur hexafluoride gas |
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| CN107144553A (en) * | 2017-05-27 | 2017-09-08 | 贵州电网有限责任公司电力科学研究院 | A kind of Ultraluminescence detects SF6SO in electrical equipment2The device and method of content |
| CN107167449A (en) * | 2017-05-27 | 2017-09-15 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of multi-parameter comprehensive monitoring device of sulfur hexafluoride decomposition gas |
| CN108181202A (en) * | 2018-03-08 | 2018-06-19 | 国网安徽省电力有限公司电力科学研究院 | A kind of novel GIS SF6Density on-Line Monitor Device and system |
| CN108181202B (en) * | 2018-03-08 | 2023-11-21 | 国网安徽省电力有限公司电力科学研究院 | Novel SF for GIS 6 Density on-line monitoring device and system |
| CN108732104A (en) * | 2018-04-18 | 2018-11-02 | 中国科学院合肥物质科学研究院 | A kind of photo-acoustic spectrometer on-line measuring device |
| CN108732104B (en) * | 2018-04-18 | 2019-08-06 | 中国科学院合肥物质科学研究院 | A kind of photo-acoustic spectrometer on-line measuring device |
| CN108387637A (en) * | 2018-05-11 | 2018-08-10 | 沈阳工业大学 | A kind of experimental provision that metal particle is innoxious and method |
| CN108387637B (en) * | 2018-05-11 | 2023-09-19 | 沈阳工业大学 | Experimental device and method for harmlessness of metal particles |
| CN109470766A (en) * | 2018-12-21 | 2019-03-15 | 国网内蒙古东部电力有限公司电力科学研究院 | More electrical equipment SF6On-line checking gas circuit |
| CN110794089A (en) * | 2019-10-22 | 2020-02-14 | 国网浙江省电力有限公司绍兴供电公司 | Rapid detector and method for gas marker decomposition products after SF6 equipment failure |
| CN112697747A (en) * | 2020-12-04 | 2021-04-23 | 贵州电网有限责任公司 | Device and method for detecting decomposer, moisture and purity in sulfur hexafluoride gas |
| CN113092678A (en) * | 2021-04-01 | 2021-07-09 | 国网陕西省电力公司电力科学研究院 | Epoxy resin pair SF under discharge condition6Research method for influence of trace products |
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