CN110426465A - A kind of transformer oil chromatographic degasser and its control method - Google Patents
A kind of transformer oil chromatographic degasser and its control method Download PDFInfo
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- CN110426465A CN110426465A CN201910611327.5A CN201910611327A CN110426465A CN 110426465 A CN110426465 A CN 110426465A CN 201910611327 A CN201910611327 A CN 201910611327A CN 110426465 A CN110426465 A CN 110426465A
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- oil
- solenoid valve
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- level sensor
- vacuum pump
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N30/14—Preparation by elimination of some components
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- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Housings And Mounting Of Transformers (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of transformer oil chromatographic degasser, including oil storage tank, oil storage tank wall has heating system, there is height in oil storage tank, low liquid level sensor, oil exit pipe is lower than liquid level low liquid level sensor, it is connected to oil drain pump, oil inlet pipe is higher than high liquid level sensor, mixing pump is connected to two root canal roads, one is lower than low liquid level sensor, one is higher than high liquid level sensor, it is characterized in that, deaeration pipe is higher than high liquid level sensor, pipeline collar extension accesses vacuum pump, vacuum pump is followed by threeway, one one Oil-gas Separation component of termination, it is followed by gas chamber, a partition solenoid valve is terminated after gas chamber, one pressure sensor of string between gas chamber and solenoid valve, partition solenoid valve is followed by quantitative loop, the threeway other end connects external environment by emptying solenoid valve.The stability and accuracy of detection can be improved in the device.And the control method of the device is provided, it can be sufficiently separated oil dissolved gas, improve equipment safety reliability and stability.
Description
Technical field
The invention belongs to data monitoring technical fields, and in particular to arrive a kind of transformer oil chromatographic degasser.
Background technique
Power transformer is one of capital equipment of electric system, guarantees the safe and reliable operation of transformer, electric to improving
The power supply reliability of Force system has a very important significance.Real-time monitoring is carried out to the gas content dissolved in transformer oil,
Can find in time electric power show transformer Hidden fault and sudden catastrophe failure, be ensure safe operation of power system it is main
Method.
Transformer oil chromatographic device is the main device for monitoring the gas content dissolved in transformer oil, and the device is by multiple
Module composition, wherein degassing module is to guarantee detection data stabilization and accurate core.Degassing building block technique mainly uses
Vacuum degassing technology collects the gas of abjection by quantitative loop.Vacuum degassing technology cannot completely will be in transformer oil at present
Gas separation, the unstable gas of abjection, there are deviations for the concentration of gas to be detected, and quantitative loop only has 1 milliliter of amount of storage, this
The stability and accuracy for resulting in detection data substantially reduce
Prior art there are the problem of: the gas of abjection is stored directly in quantitative loop, and the grease stain in gas can pollute quantitative loop,
Even pollution chromatographic column.Quantitative loop is 1 milliliter of amount of storage, and gas content is unstable, detects stability and accuracy is not high.
Summary of the invention
Technical problems to be solved are to provide a kind of novel transformer oil chromatography degassing modular device, by existing true
Empty Degassing Technology structure improves, and can avoid quantitative loop and chromatographic column is contaminated, improve detection stability and accuracy.
Technical solution is: a kind of transformer oil chromatographic degasser, including oil storage tank, oil storage tank wall have heating system,
There is high and low liquid level sensor in oil storage tank, oil exit pipe is lower than liquid level low liquid level sensor, is connected to oil drain pump, oil inlet pipe is higher than
High liquid level sensor, mixing pump are connected to two root canal roads, and one is lower than low liquid level sensor, and one is higher than high liquid level sensor,
It is characterized in that, deaeration pipe is higher than high liquid level sensor, and pipeline collar extension accesses vacuum pump, and vacuum pump is followed by threeway, a termination one
Oil-gas Separation component is followed by gas chamber, terminates a partition solenoid valve after gas chamber, and pressure of going here and there between gas chamber and solenoid valve passes
Sensor, partition solenoid valve are followed by quantitative loop, and the threeway other end connects external environment by emptying solenoid valve.
Preferably, it connects on oil inlet pipe accurate filter and oil inlet solenoid valve.
Preferably, chamber volume is 200 milliliters.
Preferably, the volume of Measuring glass is 4 milliliters.
Preferably, there is tank body pressure sensor in oil storage tank.
The present invention also provides a kind of control methods, using device above-mentioned, after device powers on, first carry out hardware check closing
The switch of all valves and pump；Vacuum pump and emptying solenoid valve are opened, if oil storage pressure tank is less than 1000Pa, closes vacuum pump；
If continuous 10 minutes oil storage pressure tanks are greater than 1000Pa, reporting device leakproofness failure；Open oil drain solenoid valve and emptying electromagnetism
Valve opens oil inlet solenoid valve, starts oil inlet process, when the liquid level sensor high liquid level sensor-triggered time was less than 5 minutes, closes
Oil inlet solenoid valve, oil inlet process terminate, otherwise device report oil inlet failure.
If any continuous 10 minutes oil storage pressure tanks are less than 1000Pa, heating system is opened.If any continuous 10 minutes
Oil storage pressure tank is greater than 1000Pa, opens vacuum pump to oil storage pressure tank and is less than 1000Pa, closes vacuum pump, operate repeatedly；In
This process opens partition solenoid valve if crossing air chamber pressure is greater than 0.5MPa, otherwise closes partition solenoid valve.If any continuous 10
If minute oil storage pressure tank is less than 1000Pa, mixing pump is closed, heating system is closed, closes vacuum pump, opens oil extraction electromagnetism
Valve and oil drain pump.
If liquid level sensor low liquid level sensor does not trigger in 10 minutes, process terminates, and otherwise reports oil extraction failure.
Beneficial effect is: separating Oil in circulating gas stain by Oil-gas Separation component, avoids pollution chromatographic column, improves chromatography
Column service life.The gas for collecting abjection by gas chamber again, stands full and uniform mixed gas, then with 4 milliliters in gas chamber
Quantitative loop detects the gas of fixed amount, and the stability and accuracy of detection can be improved.The control method can be sufficiently separated gas in oil
Body, and each process settings Rule of judgment controlled prompt corresponding exception information if the conditions are not met, improve equipment safety
Reliability and stability.
Detailed description of the invention
Fig. 1 is the schematic diagram of the present apparatus
Fig. 2 is control method logic chart
Wherein, 1 it is oil storage tank, 2 be heating system, 3 be liquid level sensor, 4 be tank body pressure sensor, 5 be mixing pump, 6 is
Oil drain solenoid valve, 7 be oil drain pump, 8 be vacuum pump, 9 be gas chamber, 10 be pressure sensor, 11 be partition solenoid valve, 12 be quantitative
Ring, 13 be emptying solenoid valve, 14 be oil inlet solenoid valve, 15 be accurate filter, 16 be Oil-gas Separation component.
Specific embodiment
Embodiment 1
The design of invention body construction is as shown in Figure 1.A kind of transformer oil chromatographic degasser, including oil storage tank 1, outside oil storage tank 1
Wall has heating system 2, there is liquid level sensor 3 in oil storage tank 1, and liquid level sensor 3 has high and low two contacts, and oil exit pipe is lower than liquid
Position low liquid level sensor, is connected to oil drain pump 7, and oil inlet pipe is higher than high liquid level sensor, and mixing pump 5 is connected to two root canal roads, and one
Lower than low liquid level sensor, one is higher than high liquid level sensor, and deaeration pipe is higher than high liquid level sensor, and pipeline collar extension accesses vacuum
Pump 8, vacuum pump 8 are followed by threeway, and one Oil-gas Separation component 16 of termination is followed by gas chamber 9, one partition of termination after gas chamber 9
Solenoid valve 11, one pressure sensor 10 of string between gas chamber 9 and partition solenoid valve 11, partition solenoid valve 11 are followed by quantitative loop 12,
The threeway other end connects external environment by emptying solenoid valve 13.
It connects on the oil inlet pipe accurate filter 15 and oil inlet solenoid valve 14.9 volume of gas chamber is 200 millis
It rises.The volume of the Measuring glass 12 is 4 milliliters.There is tank body pressure sensor 4 in the oil storage tank.
The effect of accurate filter 15 the impurity particle of 50um or more in oil strain.Liquid level sensor 14 has upper and lower liquid level two
A contact, for judging the liquid level position of oil.Vacuum pump 8 extracts mixed gas in oil storage tank out, by Oil-gas Separation component
16 come separate abjection gas in grease stain, can avoid grease stain pass in and out quantity tube, chromatographic column, influence service using life.Pass through
The gas chamber of 200ml collects the mixed gas of abjection.The pressure of the effect control gas chamber 9 of pressure sensor 10, when abjection gas
It is more, in gas chamber when hypertonia, a part of air chamber pressure can be discharged by solenoid valve 13.The effect of quantitative loop 12 be control into
The volume of sample gas.Entire degassing module will guarantee good air-tightness.Tank body pressure sensor 4 is the abnormal conditions in burst
Under, alarming and cutting off heating system 2 or open guarantees safety with the extraneous emptying solenoid valve 13 contacted, pressure release.
Embodiment 2
After control flow of the invention is as shown in Fig. 2, device powers on, the switch that hardware check closes all valves and pump is first carried out.
Vacuum pump 8 and emptying solenoid valve 13 are opened, if oil storage pressure tank is less than 1000Pa, closes vacuum pump 8；If continuous 10 minutes
Oil storage pressure tank is greater than 1000Pa, reporting device leakproofness failure.Oil drain solenoid valve 6 and emptying solenoid valve 13 are opened, oil inlet is opened
Solenoid valve 14 starts oil inlet process, when the high liquid sensor-triggered time of liquid level sensor 3 was less than 5 minutes, closes oil inlet solenoid valve
14, oil inlet process terminates, otherwise device report oil inlet failure.
Control flow of the invention is as shown in Fig. 2, after oil inlet process, if any continuous 10 minutes oil storage pressure tanks
Greater than 1000Pa, opens vacuum pump 8 to oil storage pressure tank and be less than 1000Pa, close vacuum pump 8, operate repeatedly.In this process, if
Air chamber pressure is crossed greater than 0.5MPa, partition solenoid valve 11 is opened, otherwise closes partition solenoid valve 11.If any continuous 10 minutes
Oil storage pressure tank is less than 1000Pa, opens mixing pump 5, if beating if any continuous 10 minutes oil storage pressure tanks are greater than 1000Pa
It opens vacuum pump 8 to oil storage pressure tank and is less than 1000Pa, close vacuum pump 8, operate repeatedly.In this process, if it is big to cross air chamber pressure
In 0.5MPa, partition solenoid valve 11 is opened, otherwise closes partition solenoid valve 11.
If control flow of the present invention is opened as shown in Fig. 2, if any continuous 10 minutes oil storage pressure tanks are less than 1000Pa
Heating system 2.If any continuous 10 minutes oil storage pressure tanks are greater than 1000Pa, open vacuum pump 8 to oil storage pressure tank and be less than
1000Pa closes vacuum pump 8, operates repeatedly.In this process, if crossing air chamber pressure is greater than 0.5MPa, partition solenoid valve 11 is opened,
Otherwise partition solenoid valve 11 is closed.If closing mixing pump 5 if any continuous 10 minutes oil storage pressure tanks are less than 1000Pa, closing
It closes heating system 2, close vacuum pump 8, open oil drain solenoid valve 6 and oil drain pump 7.
Control flow of the invention as shown in Fig. 2, if 3 low liquid level sensor of liquid level sensor does not trigger in 10 minutes,
Process terminates, and otherwise reports oil extraction failure.
Claims (9)
1. a kind of transformer oil chromatographic degasser, including oil storage tank, oil storage tank wall have heating system, which is characterized in that storage
There is high and low liquid level sensor in oil tank, oil exit pipe is lower than liquid level low liquid level sensor, is connected to oil drain pump, and oil inlet pipe is higher than height
Liquid level sensor, mixing pump are connected to two root canal roads, and one is lower than low liquid level sensor, and one is higher than high liquid level sensor, special
Sign is that deaeration pipe is higher than high liquid level sensor, and pipeline collar extension accesses vacuum pump, and vacuum pump is followed by threeway, one oil of termination
Gas separating component is followed by gas chamber, terminates a partition solenoid valve after gas chamber, one pressure sensing of string between gas chamber and solenoid valve
Device, partition solenoid valve are followed by quantitative loop, and the threeway other end connects external environment by emptying solenoid valve.
2. a kind of transformer oil chromatographic degasser told according to claim 1, which is characterized in that gone here and there on the oil inlet pipe
Join accurate filter and oil inlet solenoid valve.
3. a kind of transformer oil chromatographic degasser told according to claim 2, which is characterized in that the chamber volume is
200 milliliters.
4. a kind of transformer oil chromatographic degasser told according to claim 3, which is characterized in that the body of the Measuring glass
Product is 4 milliliters.
5. a kind of transformer oil chromatographic degasser told according to claim 4, which is characterized in that have in the oil storage tank
Tank body pressure sensor.
6. a kind of control method uses the device of claim 5, which is characterized in that after device powers on, first carry out hardware check pass
Close the switch of all valves and pump；Vacuum pump and emptying solenoid valve are opened, if oil storage pressure tank is less than 1000Pa, closes vacuum
Pump；If continuous 10 minutes oil storage pressure tanks are greater than 1000Pa, reporting device leakproofness failure；Open oil drain solenoid valve and emptying electricity
Magnet valve opens oil inlet solenoid valve, starts oil inlet process, when the liquid level sensor high liquid level sensor-triggered time was less than 5 minutes, closes
Oil inlet solenoid valve is closed, oil inlet process terminates, otherwise device report oil inlet failure.
7. a kind of control method uses the device of claim 5 or 6, which is characterized in that if any continuous 10 minutes oil storage tank pressures
Power is less than 1000Pa, opens heating system；If any continuous 10 minutes oil storage pressure tanks are greater than 1000Pa, vacuum pump is opened extremely
Oil storage pressure tank is less than 1000Pa, closes vacuum pump, operates repeatedly；In this process, if crossing air chamber pressure is greater than 0.5MPa, open
Separate solenoid valve, otherwise closes partition solenoid valve；If closing is stirred if any continuous 10 minutes oil storage pressure tanks are less than 1000Pa
Pump is mixed, heating system is closed, closes vacuum pump, opens oil drain solenoid valve and oil drain pump.
8. control method according to claim 7, which is characterized in that after oil inlet process, any continuous 10 minutes such as
Fruit oil storage pressure tank is greater than 1000Pa, opens vacuum pump 8 to oil storage pressure tank and is less than 1000Pa, closes vacuum pump 8, grasp repeatedly
Make；In this process, if crossing air chamber pressure is greater than 0.5MPa, partition solenoid valve 11 is opened, otherwise closes partition solenoid valve 11；It is any
If continuous 10 minutes oil storage pressure tanks are less than 1000Pa, mixing pump 5 is opened, if if any continuous 10 minutes oil storage pressure tanks
Greater than 1000Pa, opens vacuum pump 8 to oil storage pressure tank and be less than 1000Pa, close vacuum pump 8, operate repeatedly；In this process, if
Air chamber pressure is crossed greater than 0.5MPa, partition solenoid valve 11 is opened, otherwise closes partition solenoid valve 11.
9. control method according to claim 7, which is characterized in that it is characterized in that, if liquid level sensor in 10 minutes
Low liquid level sensor does not trigger, then process terminates, and otherwise reports oil extraction failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910611327.5A CN110426465A (en) | 2019-07-08 | 2019-07-08 | A kind of transformer oil chromatographic degasser and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910611327.5A CN110426465A (en) | 2019-07-08 | 2019-07-08 | A kind of transformer oil chromatographic degasser and its control method |
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| CN110426465A true CN110426465A (en) | 2019-11-08 |
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ID=68409054
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082828A (en) * | 2020-08-04 | 2020-12-15 | 山东五岳电器有限公司 | Online gas taking detection device and method for transformer gas relay |
| CN112263849A (en) * | 2020-09-29 | 2021-01-26 | 湖北鑫英泰***技术股份有限公司 | Stirring speed control method and device based on environmental pressure |
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| CN101546646A (en) * | 2009-03-26 | 2009-09-30 | 上海交通大学 | On-line monitoring oil-gas separation device for transformer |
| CN201425590Y (en) * | 2009-06-05 | 2010-03-17 | 许坤 | Vacuum degassing device for insulating oil on-line chromatographic analysis |
| CN202113641U (en) * | 2011-06-08 | 2012-01-18 | 国电南京自动化股份有限公司 | Novel oil-gas separating device for electrical equipment |
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| CN108254338A (en) * | 2018-03-20 | 2018-07-06 | 哈工大鞍山工业技术研究院有限公司 | Gas content in transformer oil on-Line Monitor Device based on spectral absorption method |
| CN108333279A (en) * | 2018-01-25 | 2018-07-27 | 河南中分仪器股份有限公司 | Dissolved gases in insulating oil on-Line Monitor Device and gases dissolved in insulation oil escape method |
| CN210514196U (en) * | 2019-07-08 | 2020-05-12 | 长园深瑞监测技术有限公司 | Transformer oil chromatogram degassing unit |
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2019
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080163752A1 (en) * | 2007-01-04 | 2008-07-10 | Douglas Lee Williams | Batch Degassing of Dielectric Oil with Vacuum Sonication |
| CN101546646A (en) * | 2009-03-26 | 2009-09-30 | 上海交通大学 | On-line monitoring oil-gas separation device for transformer |
| CN201425590Y (en) * | 2009-06-05 | 2010-03-17 | 许坤 | Vacuum degassing device for insulating oil on-line chromatographic analysis |
| CN202113641U (en) * | 2011-06-08 | 2012-01-18 | 国电南京自动化股份有限公司 | Novel oil-gas separating device for electrical equipment |
| CN103293251A (en) * | 2013-05-28 | 2013-09-11 | 北京华电云通电力技术有限公司 | Automatic and rapid oil-gas separation device for oil chromatographic analysis pretreatment |
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| CN108333279A (en) * | 2018-01-25 | 2018-07-27 | 河南中分仪器股份有限公司 | Dissolved gases in insulating oil on-Line Monitor Device and gases dissolved in insulation oil escape method |
| CN108254338A (en) * | 2018-03-20 | 2018-07-06 | 哈工大鞍山工业技术研究院有限公司 | Gas content in transformer oil on-Line Monitor Device based on spectral absorption method |
| CN210514196U (en) * | 2019-07-08 | 2020-05-12 | 长园深瑞监测技术有限公司 | Transformer oil chromatogram degassing unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082828A (en) * | 2020-08-04 | 2020-12-15 | 山东五岳电器有限公司 | Online gas taking detection device and method for transformer gas relay |
| CN112263849A (en) * | 2020-09-29 | 2021-01-26 | 湖北鑫英泰***技术股份有限公司 | Stirring speed control method and device based on environmental pressure |
| CN112263849B (en) * | 2020-09-29 | 2021-09-28 | 湖北鑫英泰***技术股份有限公司 | Stirring speed control method and device based on environmental pressure |
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