CN104623930B - A kind of degasser being applied to optoacoustic spectroscopy principle dissolved gas analysis - Google Patents
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- CN104623930B CN104623930B CN201510047127.3A CN201510047127A CN104623930B CN 104623930 B CN104623930 B CN 104623930B CN 201510047127 A CN201510047127 A CN 201510047127A CN 104623930 B CN104623930 B CN 104623930B
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- 238000004867 photoacoustic spectroscopy Methods 0.000 title claims abstract description 15
- 238000004868 gas analysis Methods 0.000 title claims abstract description 13
- 239000004519 grease Substances 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 10
- 238000007872 degassing Methods 0.000 claims description 9
- 238000007514 turning Methods 0.000 claims description 3
- 238000009849 vacuum degassing Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- 238000004458 analytical method Methods 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
A kind of degasser being applied to optoacoustic spectroscopy principle dissolved gas analysis that the present invention proposes, it is achieved the Oil-gas Separation of transformer insulation oil.Assembly of the invention is mainly made up of oil cylinder, cylinder, air chamber, grease chamber, PA cell, can be transferred in PA cell by the isolated characteristic gas of vacuum outgas, detects for optoacoustic spectroscopy.The grease chamber of device, air chamber, PA cell are dedicated chamber parts, and wherein grease chamber adopts diplopore bottom cover structure, and fluid,matching level sensor can realize safe oil return.The symmetrical grease chamber of device configuration two, it may be achieved two-way oil return, oil circuit cleaning function, can avoid single-point acquiring oil sample, it may be achieved the multipoint circulation collection of oil sample simultaneously.
Description
Technical field
The invention belongs to intelligent substation on-line monitoring field, the invention provides a kind of degasser being applied to optoacoustic spectroscopy principle dissolved gas analysis, utilize vacuum outgas principle, it may be achieved to transformer insulation oil dissolves efficiently separating of gas.
Background technology
Power transformer is one of most important equipment in transformer station, and transformer insulated fault often brings huge economic loss.In tradition transformer station, judging the state of insulation of transformator typically via preventive trial, there is maintenance simultaneously and excessively and overhaul not enough problem in the preventive trial being periodically executed, has been not suitable with the electrical network scale of scale expanding day.In intelligent substation, the state of insulation of transformator can be reflected by on-Line Monitor Device in real time, repair based on condition of component can be realized according to the state of insulation of transformator, it is to avoid many drawbacks that periodic inspection is brought.
As the transformer insulated maximally effective means of fault early warning, Gases Dissolved in Transformer Oil on-line analysis device successfully avoids repeatedly the generation of major accident.By to the measurement of the seven kinds of gas contents such as H2, CH4, C2H2, C2H4, C2H6, CO, CO2 in transformer insulation oil and analysis, it is possible to according to there being experience, transformer insulation state is made effective deduction.The chromatography widely applied in Gases Dissolved in Transformer Oil on-line analysis can realize the measurement of seven kinds of characteristic gas, but it has the shortcoming that consumption carrier gas, sensor and chromatographic column are easily aging.Optoacoustic spectroscopy utilizes the intrinsic physics infrared characteristic of characteristic gas, it may be achieved the measurement with a wide range of precise to characteristic gas, and without consumptive materials such as carrier gas.
In the dissolved gas analysis device of optoacoustic spectroscopy principle, degassed principle is divided into that head space is degassed, vacuum outgas and macromolecule permeable membrane degassed.The degassed rate of the degassed principle of head space is low, and wherein malleation head space there is also the risk that bubble is blown into transformator；The macromolecule permeable membrane degassing equilibrium time is longer, and diaphragm is fragile；The degassed rate of vacuum outgas is high, and equilibration time is shorter, and the degasser that this patent relates to is vacuum outgas principle.
A kind of degasser principle of the patent notes of Chinese Patent Application No. 201310124234.2, this degasser is applied to the gas phase chromatographic device of carrier gas, inapplicable with optoacoustic spectroscopy principle device, and does not possess bidirectional safe oil return function.
Summary of the invention
For solving the Oil-gas Separation difficult problem during Gases Dissolved in Transformer Oil is analyzed, the present invention proposes a kind of degasser being applied to optoacoustic spectroscopy principle dissolved gas analysis.The present invention is concrete by the following technical solutions.
A kind of degasser being applied to optoacoustic spectroscopy principle dissolved gas analysis, including oil cylinder 1, two grease chamber 2 and 3, one air chamber 4, PA cell 5, cylinder 6, and multiple electromagnetic valve S1～S9；It is characterized in that:
The oilhole of side, lower end, described grease chamber 1 is connected with oil tank of transformer by the first electromagnetic valve S1, and opposite side oilhole is connected with oil cylinder 1 by the second electromagnetic valve S2；
The oilhole of side, lower end, described grease chamber 23 is connected with oil cylinder 1 by the 3rd electromagnetic valve S3, and opposite side oilhole is connected with oil tank of transformer by the 4th electromagnetic valve S4；
The perforate of side, described air chamber 4 lower end is connected with the upper end of grease chamber 1 by the 5th electromagnetic valve S5, and opposite side perforate is connected with the upper end of grease chamber 23 by the 6th electromagnetic valve S6；
The air inlet of described PA cell 5 is connected with the upper end of air chamber 4 by the 7th electromagnetic valve S7, and venthole is connected with cylinder 6 by the 8th electromagnetic valve S8；
Described cylinder) also it is connected with the 9th electromagnetic valve S9, the air vent of forming apparatus.
The present invention can also it is preferred that techniques below scheme.
PA cell is connected between air chamber and cylinder by the 7th electromagnetic valve S7 and the 8th electromagnetic valve S8, and in degasification process, PA cell is as a part for characteristic gas collection chamber.
Grease chamber one, grease chamber two structure are identical, constitute by upper end cover, sidewall, bottom end cover, bottom end cover is provided with liquid level sensor, liquid level sensor exceeds bottom end cover inner surface, an oilhole it is respectively arranged with in liquid level sensor both sides, two oil hole structure positional symmetry, oilhole diameter 2mm, possess 90 degree of turnings, opening upwards.
Grease chamber 1 and the first coupled electromagnetic valve S1, the second electromagnetic valve S2, it is arranged symmetrically in oil cylinder 1 both sides with grease chamber 23 and coupled the 3rd electromagnetic valve S3, the 4th electromagnetic valve S4, degasification process both can be passed through grease chamber 1 and carried out oil return, can passing through again grease chamber 23 and carry out oil return, device possesses two-way oil return structure.
The present invention has following Advantageous Effects:
1, the degasser of the present invention is applicable to optoacoustic spectroscopy principle dissolved gas analysis equipment, adopts vacuum principle to complete degassed.PA cell is as a part for characteristic gas collection chamber, under taking oil mass the same terms, can use the air chamber of small volume, reduces the volume of device, reduces the cost of device.PA cell adopts cascaded structure, cooperation by the state of electromagnetic valve S7 and S8 and cylinder piston position, degasification process can realize the multiple change of characteristic gas collection chamber volume, thus realizing the plurality of distribution coefficient of characteristic gas, be conducive to improving the precision that characteristic gas is analyzed from low concentration to high concentration gamut.
2, the degasser of the present invention possesses two-way oil return function, by regularly converting oil return direction, it is possible to realize the cleaning to degasser oil pipe line, it is to avoid pipeline jam, it is to avoid minute impurities deposits and enters oil cylinder, thus being greatly improved the oil cylinder life-span.
Accompanying drawing explanation
Fig. 1 is degasser structural representation of the present invention；
Fig. 2 is the grease chamber's structure chart in degasser of the present invention.
Fig. 3 is the PA cell structural representation in degasser of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description, technical scheme is further described in detail.
As it is shown in figure 1, the degasser of the present invention includes oil cylinder 1, grease chamber 2,3, air chamber 4, PA cell 5, cylinder 6, electromagnetic valve S1～S9 and controls the control electronics (not drawing in the drawings) of each electromagnetic valve action.The oilhole of side, lower end, grease chamber one is connected with oil tank of transformer by electromagnetic valve S1, and opposite side oilhole is connected with oil cylinder by electromagnetic valve S2；The oilhole of side, lower end, grease chamber two is connected with oil cylinder by electromagnetic valve S3, and opposite side oilhole is connected with oil tank of transformer by electromagnetic valve S4；The perforate of side, air chamber lower end is connected with the upper end of grease chamber one by electromagnetic valve S5, and opposite side perforate is connected with the upper end of grease chamber two by electromagnetic valve S6；The air inlet of PA cell is connected with the upper end of air chamber by electromagnetic valve S7, and venthole is connected with cylinder by electromagnetic valve S8；Cylinder is also connected with electromagnetic valve S9, the air vent of forming apparatus.
As in figure 2 it is shown, be the grease chamber's structure chart in degasser of the present invention.Grease chamber is made up of upper end cover, sidewall, bottom end cover, is provided with liquid level sensor on bottom end cover, and liquid level sensor exceeds bottom end cover inner surface, is respectively arranged with an oilhole, two oil hole structure positional symmetry, oilhole diameter 2mm, possesses 90 degree of turnings, opening upwards.
In grease chamber, liquid level sensor can detect whether have oil inside grease chamber, when liquid level sensor has detected oil, oil in grease chamber has not necessarily had oil-through hole, the oil flowing to oil tank of transformer from grease chamber is all flow downwardly into oilhole, bubble in oil will swim on the pasta in grease chamber, will not enter inside transformer.
Two oil hole structure positional symmetry, are arranged in the both sides of liquid level sensor, and any one oilhole can export as oil return, it is simple to realizes two-way oil return.Transformer oil must bypass liquid level sensor from the oil of an oilhole entrance safe oil return chamber and is only possible to another oilhole of arrival, and due to the obstruct of liquid level sensor, bubble all floats before another oilhole close, it is ensured that safe oil return.
As it is shown on figure 3, be the PA cell structural representation in invention degasser.PA cell adopts cylinder design, and the infrared transmission window using zinc selenide to be material seals.The bottom at PA cell two ends is had air inlet and venthole, air inlet and venthole and is connected with air chamber and cylinder respectively by electromagnetic valve, and bottom and the top of PA cell are provided with mike.
Based on degasser disclosed by the invention, the invention also discloses a kind of degassed method of oil dissolved gas, it is characterised in that said method comprising the steps of:
(1) by all closed electromagnetic valves, oil cylinder 1, cylinder 6 piston be all located at top；
(2) grease chamber 1 and air chamber 4 are emptied, open the second electromagnetic valve S2, the 5th electromagnetic valve S5, control oil cylinder 1 piston and move down, the Residual oil in grease chamber 1 and air chamber 4 is sucked in oil cylinder 1；
(3) close the second electromagnetic valve S2 and the five electromagnetic valve S5, open the 3rd electromagnetic valve S3 and the four electromagnetic valve S4, control oil cylinder 1 piston moves, the Residual oil in oil cylinder 1 is drained back in oil tank of transformer by grease chamber 23；
(4) close the 3rd electromagnetic valve S3 and the four electromagnetic valve S4, open the second electromagnetic valve S2, the 5th electromagnetic valve S5 and the seven electromagnetic valve S7, control cylinder 6 piston and move down, first grease chamber 1 is evacuated；Closing the second electromagnetic valve S2 and the seven electromagnetic valve S7, open the first electromagnetic valve S1, the fresh oil in oil tank of transformer enters in grease chamber 1, immediately closes off the first electromagnetic valve S1 and the five electromagnetic valve S5 when the liquid level sensor of air chamber 4 has detected oil；
(5) open the 9th electromagnetic valve S9, control cylinder 6 piston moves to top；Open the 8th electromagnetic valve S8, make PA cell 5 and extraneous air balance, in PA cell, be full of air；Closing the 9th electromagnetic valve S9, control cylinder 6 piston moves down and is evacuated by PA cell 5；Close the 8th electromagnetic valve S8, open the 9th electromagnetic valve S9, control cylinder 6 piston mortgage originator position, finally close the 9th electromagnetic valve S9；
(6) the second electromagnetic valve S2, the 5th electromagnetic valve S5 are opened, control oil cylinder 1 piston and be displaced downwardly to bottom, by, in the fresh oil suction oil cylinder 1 in grease chamber 1, controlling cylinder 6 piston and be displaced downwardly to bottom, make to keep in cylinder 6 vacuum state, now open the 7th electromagnetic valve S7, the 8th electromagnetic valve S8, start Vacuum Degassing Process, degassed complete after, characteristic gas will diffuse in PA cell, close the second electromagnetic valve S2, the 5th electromagnetic valve S5, carry out characteristic gas analysis；
(7) close the 7th electromagnetic valve S7, the 8th electromagnetic valve S8, open the 9th electromagnetic valve S9, control cylinder piston moves to be emptied by cylinder, finally close the 9th electromagnetic valve S9.
Wherein step (5) can be repeated multiple times, and PA cell is repeatedly cleaned.Using grease chamber one as inlet space in above step, grease chamber two completes degasification process as oil revolute chamber.Can also using grease chamber two as inlet space, grease chamber one, as oil revolute chamber, completes degasification process accordingly according to same steps, it is achieved degasser two-way enter, oil return function.
After in degasification process, characteristic gas is separated from transformer oil, diffuse in air chamber, PA cell and cylinder, after diffusive equilibrium, the characteristic gas dividing potential drop in PA cell is identical with in air chamber and cylinder, and in PA cell, the partition coefficient of characteristic gas is the volume ratio participating in collecting characteristic gas chamber.In above-mentioned engineering process the 6th step, can by realizing different partition coefficients under following 3 kinds of modes: 1, electromagnetic valve S7, S8 all opens, cylinder piston is positioned at bottom；2, electromagnetic valve S7, S8 all opens, and cylinder piston is positioned at top；3, electromagnetic valve S7, S8 all opens, and cylinder piston closes electromagnetic valve 7 after being positioned at bottom balance, controls cylinder piston and moves to top.Wherein, mode 1 is used for measuring high concentration components, and mode 2 is for density component in measuring, and mode 3 is used for measuring low concentration component.From the many amplifications realizing concentration source, the precision that characteristic gas is analyzed can be improved from low concentration to high concentration gamut by 3 kinds of partition coefficients.
The degasser of the present invention designs in conjunction with the dissolved gas analysis feature of optoacoustic spectroscopy principle, and possesses plurality of advantages, any amendment within the scope of the principle of the invention, improves and broadly falls into protection scope of the present invention.
Claims (8)
1. the degasser being applied to optoacoustic spectroscopy principle dissolved gas analysis, it is characterized in that: described degasser is mainly made up of oil cylinder, cylinder, air chamber, grease chamber, PA cell, it is transferred in PA cell by the isolated characteristic gas of vacuum outgas, detects for optoacoustic spectroscopy；The symmetrical grease chamber of described degasser configuration two, it is achieved two-way oil return, multipoint circulation collection.
2. the degasser being applied to optoacoustic spectroscopy principle dissolved gas analysis, including an oil cylinder (1), two grease chambeies (2,3), an air chamber (4), a PA cell (5), a cylinder (6), and multiple electromagnetic valve (S1～S9)；It is characterized in that:
The oilhole of side, lower end, described grease chamber one (2) is connected with oil tank of transformer by the first electromagnetic valve (S1), and opposite side oilhole is connected with oil cylinder (1) by the second electromagnetic valve (S2)；
The oilhole of side, lower end, described grease chamber two (3) is connected with oil cylinder (1) by the 3rd electromagnetic valve (S3), and opposite side oilhole is connected with oil tank of transformer by the 4th electromagnetic valve (S4)；
The perforate of described air chamber (4) side, lower end is connected with the upper end of grease chamber one (2) by the 5th electromagnetic valve (S5), and opposite side perforate is connected with the upper end of grease chamber two (3) by the 6th electromagnetic valve (S6)；
The air inlet of described PA cell (5) is connected with the upper end of air chamber (4) by the 7th electromagnetic valve (S7), and venthole is connected with cylinder (6) by the 8th electromagnetic valve (S8)；
Described cylinder (6) is also connected with the 9th electromagnetic valve (S9), forms the air vent of described degasser.
3. degasser according to claim 2, it is characterized in that: PA cell (5) is connected between air chamber (4) and cylinder (6) by the 7th electromagnetic valve (S7) and the 8th electromagnetic valve (S8), in degasification process, PA cell (5) is as a part for characteristic gas collection chamber.
4. degasser according to claim 2, it is characterized in that: grease chamber one (2), grease chamber two (3) structure are identical, constitute by upper end cover, sidewall, bottom end cover, being provided with liquid level sensor on bottom end cover, liquid level sensor exceeds bottom end cover inner surface, is respectively arranged with an oilhole in liquid level sensor both sides, two oil-hole locations are symmetrical, oilhole diameter 2mm, possesses 90 degree of turnings, opening upwards.
5. degasser according to claim 2, it is characterized in that: grease chamber one (2) and coupled the first electromagnetic valve (S1), the second electromagnetic valve (S2), it is arranged symmetrically in oil cylinder (1) both sides with grease chamber two (3) and the 3rd coupled electromagnetic valve (S3), the 4th electromagnetic valve (S4), degasification process both can be passed through grease chamber one (2) and carried out oil return, can passing through again grease chamber two (3) and carry out oil return, device possesses two-way oil return structure.
6. degasser according to claim 2, it is characterised in that: air chamber (4) is also adopted by the structure identical with grease chamber one (2), grease chamber two (3).
7. the degassed method of the oil dissolved gas based on degasser described in claim 1-6, it is characterised in that said method comprising the steps of:
(1) by all closed electromagnetic valves, oil cylinder (1), cylinder (6) piston be all located at top；
(2) grease chamber one (2) and air chamber (4) are emptied, open the second electromagnetic valve (S2), the 5th electromagnetic valve (S5), control oil cylinder (1) piston to move down, the Residual oil in grease chamber one (2) and air chamber (4) is sucked in oil cylinder (1)；
(3) the second electromagnetic valve (S2) and the 5th electromagnetic valve (S5) are closed, open the 3rd electromagnetic valve (S3) and the 4th electromagnetic valve (S4), control oil cylinder (1) piston moves, the Residual oil in oil cylinder (1) is drained back in oil tank of transformer by grease chamber two (3)；
(4) the 3rd electromagnetic valve (S3) and the 4th electromagnetic valve (S4) are closed, open the second electromagnetic valve (S2), the 5th electromagnetic valve (S5) and the 7th electromagnetic valve (S7), control cylinder (6) piston to move down, first grease chamber one (2) is evacuated；Close the second electromagnetic valve (S2) and the 7th electromagnetic valve (S7), open the first electromagnetic valve (S1), fresh oil in oil tank of transformer enters in grease chamber one (2), immediately closes off the first electromagnetic valve (S1) and the 5th electromagnetic valve (S5) when the liquid level sensor of air chamber (4) has detected oil；
(5) open the 9th electromagnetic valve (S9), control cylinder (6) piston moves to top；Open the 8th electromagnetic valve (S8), make PA cell (5) and extraneous air balance, in PA cell, be full of air；Closing the 9th electromagnetic valve (S9), control cylinder (6) piston moves down and is evacuated by PA cell (5)；Close the 8th electromagnetic valve (S8), open the 9th electromagnetic valve (S9), control cylinder (6) piston mortgage originator position, finally close the 9th electromagnetic valve (S9)；
(6) the second electromagnetic valve (S2), the 5th electromagnetic valve (S5) are opened, control oil cylinder (1) piston and be displaced downwardly to bottom, by in fresh oil suction oil cylinder (1) in grease chamber one (2), control cylinder (6) piston and be displaced downwardly to bottom, make to keep in cylinder (6) vacuum state, now open the 7th electromagnetic valve (S7), the 8th electromagnetic valve (S8), start Vacuum Degassing Process, degassed complete after, characteristic gas will diffuse in PA cell, close the second electromagnetic valve (S2), the 5th electromagnetic valve (S5), carry out characteristic gas analysis；
(7) after characteristic gas is analyzed, close the 7th electromagnetic valve (S7), the 8th electromagnetic valve (S8), open the 9th electromagnetic valve (S9), control cylinder (6) piston moves to be emptied by cylinder, finally close the 9th electromagnetic valve (S9).
8. the degassed method of oil dissolved gas according to claim 7, it is characterised in that:
Wherein, step (5) can be repeated multiple times, and PA cell is repeatedly cleaned.
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| CN114397249B (en) * | 2021-12-10 | 2023-09-01 | 河南省日立信股份有限公司 | Online monitoring system for gas in transformer oil |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS627408A (en) * | 1985-07-02 | 1987-01-14 | Ulvac Corp | Apparatus for recirculating and purifying pump oil of hydraulic rotary pump for vacuum processing apparatus |
| JPH05288654A (en) * | 1992-04-13 | 1993-11-02 | Mitsubishi Electric Corp | Apparatus and method for sampling concentration of minute amount of dissolved gas |
| CN101458234A (en) * | 2009-01-08 | 2009-06-17 | 上海交通大学 | Portable power transformer fault diagnostic apparatus |
| CN201477079U (en) * | 2009-09-01 | 2010-05-19 | 福建省福州电业局 | Oil channel circulation system of chromatographic high-performance overall analysis online monitoring device |
| 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 |
| CN203556163U (en) * | 2013-04-11 | 2014-04-23 | 国网电力科学研究院武汉南瑞有限责任公司 | On-line degasser for gas in transformer oil |
| CN203971469U (en) * | 2014-07-01 | 2014-12-03 | 长沙业嘉电子科技有限公司 | Dissolved Gases in Insulating Oil bellows vacuum degasser |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011088959B4 (en) * | 2011-12-19 | 2022-08-04 | Endress+Hauser Conducta Gmbh+Co. Kg | Device for degassing a liquid and use of this device in an analysis device |
-
2015
- 2015-01-29 CN CN201510047127.3A patent/CN104623930B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS627408A (en) * | 1985-07-02 | 1987-01-14 | Ulvac Corp | Apparatus for recirculating and purifying pump oil of hydraulic rotary pump for vacuum processing apparatus |
| JPH05288654A (en) * | 1992-04-13 | 1993-11-02 | Mitsubishi Electric Corp | Apparatus and method for sampling concentration of minute amount of dissolved gas |
| CN101458234A (en) * | 2009-01-08 | 2009-06-17 | 上海交通大学 | Portable power transformer fault diagnostic apparatus |
| CN201477079U (en) * | 2009-09-01 | 2010-05-19 | 福建省福州电业局 | Oil channel circulation system of chromatographic high-performance overall analysis online monitoring device |
| 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 |
| CN203556163U (en) * | 2013-04-11 | 2014-04-23 | 国网电力科学研究院武汉南瑞有限责任公司 | On-line degasser for gas in transformer oil |
| CN203971469U (en) * | 2014-07-01 | 2014-12-03 | 长沙业嘉电子科技有限公司 | Dissolved Gases in Insulating Oil bellows vacuum degasser |
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