CN109060953A - Electric insulating oil moisture content measuring device with electricity and method - Google Patents
Electric insulating oil moisture content measuring device with electricity and method Download PDFInfo
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- CN109060953A CN109060953A CN201810828577.XA CN201810828577A CN109060953A CN 109060953 A CN109060953 A CN 109060953A CN 201810828577 A CN201810828577 A CN 201810828577A CN 109060953 A CN109060953 A CN 109060953A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/014—Resonance or resonant frequency
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/022—Liquids
- G01N2291/0226—Oils, e.g. engine oils
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Abstract
The embodiment of the invention provides a kind of electric insulating oil moisture content measuring device with electricitys, comprising: frequency of oscillation counter, oil sample Constant Temperature Detection chamber and crystal oscillator；The crystal oscillator, surface are coated with hydrophilic coating, and it is intracavitary to be mounted on the oil sample Constant Temperature Detection, for generating frequency of oscillation and being transmitted to the frequency of oscillation counter；The oil sample Constant Temperature Detection chamber, inside is equipped with the crystal oscillator, for containing electric insulating oil；The frequency of oscillation counter, connect with the crystal oscillator, and for recording the frequency of oscillation of crystal oscillator generation, the variation of the frequency of oscillation generated according to the crystal oscillator obtains electric insulating oil moisture content.The embodiment of the invention also provides a kind of electric insulating oil moisture content live detection method, the method is realized by described device.The present invention can in the case where electrical equipment scene is charged and draws oil sample, quickly, conveniently, the content of accurate quantitative detection electric insulation water content in oil.
Description
Technical field
The present embodiments relate to electric insulating oil performance detection technical field more particularly to a kind of electric insulating oil moisture
Content measuring device with electricity and method.
Background technique
The quality of electric insulating oil performance is directly related to the safe operation and service life of electrical equipment.It is exhausted with transformer
For edge oil, trace moisture content is to influence one of the principal element of oil product dielectric strength in transformer insulation oil.Pass through detection
Moisture content in transformer insulation oil not only can prevent transformer insulation oil dielectric strength to be reduced to danger level, may be used also
To assess transformer integral insulation situation.
Currently, moisture content mainly uses coulometry and chromatography in China's power industry detection transformer insulation oil.This
A little methods require to acquire a certain amount of oil product, are then detected in the lab.It may draw in acquisition and transportational process
The variation for playing water content in oil content, to cause measurement result inconsistent with virtual condition.There is also chemical reagent dirts for coulometry
Dye, needs the problems such as regularly replacing reagent.With the development of technology with the quickening of power grid construction speed, conventional high-tension, chemistry are tried
Proved recipe formula is increasingly difficult to adapt to the needs of power network development.Therefore, it finds one kind and is capable of live live detection electric insulating oil
Method and device just becomes the field urgent problem to be solved of electric power apparatus examination test from now on.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the embodiment of the invention provides a kind of electric insulating oil moisture content bands
Electric detection means and method.
On the one hand, the embodiment of the invention provides a kind of electric insulating oil moisture content measuring device with electricitys, comprising: oscillation
Frequency counter, oil sample Constant Temperature Detection chamber and crystal oscillator；The crystal oscillator, surface are coated with hydrophilic coating, are mounted on the oil sample constant temperature
In test chamber, for generating frequency of oscillation and being transmitted to the frequency of oscillation counter；The oil sample Constant Temperature Detection chamber, inside peace
Equipped with the crystal oscillator, for containing electric insulating oil；The frequency of oscillation counter, connect, for recording crystalline substance with the crystal oscillator
The variation of the frequency of oscillation that vibration generates, the frequency of oscillation generated according to the crystal oscillator obtains electric insulating oil moisture content.
On the other hand, the embodiment of the invention provides a kind of electric insulating oil moisture content live detection method, the sides
Method is realized by above-mentioned electric insulating oil moisture content measuring device with electricity, comprising: electric insulating oil is injected the oil sample constant temperature
Test chamber, according to the original frequency of crystal oscillator described in the frequency of oscillation counter records；Using the frequency of oscillation counter, note
The frequency of crystal oscillator after recording water adsorption equilibrium state；According to the crystal oscillator after the original frequency and water adsorption equilibrium state
Frequency is calculated using quality algorithm and obtains electric insulating oil moisture content.The present invention is for diagnosis electrical equipment (such as transformation
Device) dampness failure, instructs the development of repair based on condition of component work to have a very important significance.
The embodiment of the invention provides a kind of electric insulating oil moisture content measuring device with electricity and methods, by oil sample
Crystal oscillator is set in Constant Temperature Detection chamber, the difference on the frequency of crystal oscillator is then calculated using frequency of oscillation counter, (such as is become in electrical equipment
Depressor) in the case that scene electrification draws oil sample, it can quickly, conveniently, accurately quantitative detection electric insulation water content in oil contains
Amount.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is electric insulating oil moisture content measuring device with electricity structural schematic diagram in first embodiment of the invention；
Fig. 2 is electric insulating oil moisture content measuring device with electricity structural schematic diagram in second embodiment of the invention；
Fig. 3 is electric insulating oil moisture content measuring device with electricity structural schematic diagram in third embodiment of the invention；
Fig. 4 is electric insulating oil moisture content measuring device with electricity structural schematic diagram in fourth embodiment of the invention；
Fig. 5 is electric insulating oil moisture content measuring device with electricity structural schematic diagram in fifth embodiment of the invention；
Fig. 6 is electric insulating oil moisture content live detection method flow diagram in sixth embodiment of the invention；
Fig. 7 is electric insulating oil moisture content live detection method flow diagram in seventh embodiment of the invention；
Fig. 8 is electric insulating oil moisture content live detection method flow diagram in eighth embodiment of the invention；
Fig. 9 is electric insulating oil moisture content live detection method flow diagram in ninth embodiment of the invention；
Figure 10 is electric insulating oil moisture content live detection method flow diagram in tenth embodiment of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of electric insulating oil moisture content measuring device with electricity and methods.Referring to Fig. 1, figure
1 is electric insulating oil moisture content measuring device with electricity structural schematic diagram in first embodiment of the invention, comprising:
Frequency of oscillation counter 101, oil sample Constant Temperature Detection chamber 102, crystal oscillator 103 and conducting wire 104；
The crystal oscillator 103 (in another embodiment, crystal oscillator 103 is quartz crystal oscillator), surface is coated with hydrophilic coating, is mounted on
In the oil sample Constant Temperature Detection chamber 102, for generating frequency of oscillation and being transmitted to the frequency of oscillation counter 101；
The oil sample Constant Temperature Detection chamber 102, inside is equipped with the crystal oscillator 103, for containing electric insulating oil；
(in another embodiment, frequency of oscillation counter 101 is TTL frequency of oscillation meter to the frequency of oscillation counter 101
Number device), it is connect by conducting wire 104 with the crystal oscillator 103, for recording the frequency of oscillation of the generation of crystal oscillator 103, according to the crystal oscillator
The variation of 103 frequencies of oscillation generated obtains electric insulating oil moisture content.
Second embodiment of the invention is added to preposition pipeline on the basis of first embodiment, and referring to fig. 2, Fig. 2 is this hair
Electric insulating oil moisture content measuring device with electricity structural schematic diagram in bright second embodiment, comprising:
(in another embodiment, crystal oscillator 202 can be cut two-sided by polyimides for AT for preposition pipeline 201, crystal oscillator 202
Quartz crystal resonant piece), conducting wire 203, oil sample Constant Temperature Detection chamber 204 and frequency of oscillation counter 205.
Preposition pipeline 201 is connect with oil sample Constant Temperature Detection chamber 204, for conveying electric insulating oil and ensuring described electrical exhausted
The temperature of edge oil is constant.The connection of other devices other than preposition pipeline 201 is identical with first embodiment as function,
This is repeated no more.
Third embodiment of the invention is added to oil sample Constant Temperature Detection device, referring to Fig. 3, Fig. 3 on the basis of second embodiment
It is electric insulating oil moisture content measuring device with electricity structural schematic diagram in third embodiment of the invention, comprising:
Oil sample Constant Temperature Detection device 301, crystal oscillator 302, oil sample Constant Temperature Detection chamber 303, frequency of oscillation counter 304, preposition pipe
Road 305 and conducting wire 306.
Oil sample Constant Temperature Detection device 301 is mounted on preposition pipeline 305, and the oil sample Constant Temperature Detection device 301 is for detecting electricity
The temperature of gas insulating oil.The connection of other devices other than oil sample Constant Temperature Detection device 301 and function are and in second embodiment
Identical, details are not described herein.
Fourth embodiment of the invention is added to valve on the basis of 3rd embodiment on preposition pipeline, referring to fig. 4,
Fig. 4 is electric insulating oil moisture content measuring device with electricity structural schematic diagram in fourth embodiment of the invention, comprising:
Valve 401, preposition pipeline 402, oil sample Constant Temperature Detection device 403, crystal oscillator 404, oil sample Constant Temperature Detection chamber 405, oscillation
Frequency counter 406 and conducting wire 407.
Valve 401 is mounted on preposition pipeline 402, the valve 401 for control electric insulating oil enter it is described preposition
Pipeline 402.The connection of other devices is identical with 3rd embodiment as function, and details are not described herein.
Fifth embodiment of the invention is added to the pipeline that draws oil sample on the basis of fourth embodiment on preposition pipeline, ginseng
See that Fig. 5, Fig. 5 are electric insulating oil moisture content measuring device with electricity structural schematic diagrams in fifth embodiment of the invention, comprising:
Draw oil sample pipeline 501, valve 502, preposition pipeline 503, oil sample Constant Temperature Detection device 504, oil sample Constant Temperature Detection chamber
505, crystal oscillator 506, conducting wire 507 and frequency of oscillation counter 508.
The preposition pipeline 503 is connect with the pipeline 501 that draws oil sample, and the pipeline 501 that draws oil sample draws oil sample for conventional, and
Electric insulating oil is inputted to the preposition pipeline 503.The connection of other devices is identical with fourth embodiment as function, herein
It repeats no more.
It is electric insulating oil moisture content live detection method flow diagram in sixth embodiment of the invention referring to Fig. 6, Fig. 6,
The method is realized by the device in first embodiment, comprising:
S601: by electric insulating oil, (in another embodiment, the electric insulating oil can be 220kV transformer chromatography
Oil) the injection oil sample Constant Temperature Detection chamber, according to the original frequency of crystal oscillator described in the frequency of oscillation counter records.
S602: using the frequency of oscillation counter, the frequency of the crystal oscillator after recording water adsorption equilibrium state.
S603: according to the frequency of the crystal oscillator after the original frequency and water adsorption equilibrium state, using quality algorithm meter
It calculates and obtains electric insulating oil moisture content.
The quality algorithm is specially Sauerbrey equation, and the expression formula of Sauerbrey equation is as follows:
In formula (1), f0It is crystal oscillator original resonance frequency (unit Hz), Δ f is that (unit is for the frequency variation of crystal oscillator
), Hz Δ m is crystal oscillator mass change (unit g/cm2), mass change Δ m indicates the quality of electric insulation water content in oil herein,
A is crystal oscillator effective area (i.e. electrode area, unit cm2), ρ is the density of crystal oscillator, and μ is the crystal oscillator coefficient of rigidity.
It is electric insulating oil moisture content live detection method flow diagram in seventh embodiment of the invention referring to Fig. 7, Fig. 7,
The method is realized by the device in second embodiment, comprising:
S701: injecting the preposition pipeline for electric insulating oil, and ensures that electric insulating oil is warm in the preposition pipeline
It spends constant.
S702: the constant electric insulating oil of temperature is injected into the oil sample Constant Temperature Detection chamber, according to the frequency of oscillation meter
Number device records the original frequency of the crystal oscillator.
S703: using the frequency of oscillation counter, the frequency of the crystal oscillator after recording water adsorption equilibrium state.
S704: according to the frequency of the crystal oscillator after the original frequency and water adsorption equilibrium state, using quality algorithm meter
It calculates and obtains electric insulating oil moisture content.
It is electric insulating oil moisture content live detection method flow diagram in eighth embodiment of the invention referring to Fig. 8, Fig. 8,
The method is realized by the device in 3rd embodiment, comprising:
S801: injecting the preposition pipeline for electric insulating oil, is detected by the oil sample Constant Temperature Detection device described preposition
The temperature of electric insulating oil in pipeline, it is ensured that electric insulating oil temperature in the preposition pipeline is constant.
S802: the constant electric insulating oil of temperature is injected into the oil sample Constant Temperature Detection chamber, according to the frequency of oscillation meter
Number device records the original frequency of the crystal oscillator.
S803: using the frequency of oscillation counter, the frequency of the crystal oscillator after recording water adsorption equilibrium state.
S804: according to the frequency of the crystal oscillator after the original frequency and water adsorption equilibrium state, using quality algorithm meter
It calculates and obtains electric insulating oil moisture content.
It is electric insulating oil moisture content live detection method flow diagram in ninth embodiment of the invention referring to Fig. 9, Fig. 9,
The method is realized by the device in fourth embodiment, comprising:
S901: electric insulating oil is injected the preposition pipeline, passes through the oil sample by the switch by controlling the valve
Constant Temperature Detection device detects the temperature of the electric insulating oil in the preposition pipeline, it is ensured that electric insulating oil is in the preposition pipeline
Temperature is constant.
S902: the constant electric insulating oil of temperature is injected into the oil sample Constant Temperature Detection chamber, according to the frequency of oscillation meter
Number device records the original frequency of the crystal oscillator.
S903: using the frequency of oscillation counter, the frequency of the crystal oscillator after recording water adsorption equilibrium state.
S904: according to the frequency of the crystal oscillator after the original frequency and water adsorption equilibrium state, using quality algorithm meter
It calculates and obtains electric insulating oil moisture content.
It is electric insulating oil moisture content live detection method flow in tenth embodiment of the invention referring to Figure 10, Figure 10
Figure, the method are realized by the device in the 5th embodiment, comprising:
S1001: if there are electric insulating oil in the pipeline that draws oil sample, the valve opening, electric insulating oil is injected described in
Preposition pipeline detects the temperature of the electric insulating oil in the preposition pipeline by the oil sample Constant Temperature Detection device, it is ensured that electrical
Insulating oil temperature in the preposition pipeline is constant.
S1002: the constant electric insulating oil of temperature is injected into the oil sample Constant Temperature Detection chamber, according to the frequency of oscillation meter
Number device records the original frequency of the crystal oscillator.
S1003: using the frequency of oscillation counter, the frequency of the crystal oscillator after recording water adsorption equilibrium state.
S1004: according to the frequency of the crystal oscillator after the original frequency and water adsorption equilibrium state, using quality algorithm meter
It calculates and obtains electric insulating oil moisture content.
Eleventh embodiment of the invention introduces the specific value of parameters on the basis of ten embodiments, comprising:
By AT cut it is two-sided be fitted into oil sample Constant Temperature Detection chamber by the Quartz crystal resonant piece of polyimides, and by conducting wire with
The connection of TTL oscillator.
When taking certain 220kV transformer chromatography oil sample, after releasing certain dead volume transformer insulation oil, oil sample constant temperature is opened
Detector front valve quantitatively injects 2 cubic centimetres of oil sample into segment pipe before oil sample Constant Temperature Detection device.It is to be measured after 1 minute
Transformer insulated oil temperature is constant, is again turned on oil sample Constant Temperature Detection device front valve, toward oil sample Constant Temperature Detection device before segment pipe
In quantitatively inject 2 cubic centimetres of oil sample, the transformer to be measured of constant temperature then injects in oil sample Constant Temperature Detection chamber before.
The frequency f1 for recording original state Quartz crystal resonant piece after oil sample injects records water adsorption balance after 1 minute
The frequency f2 of state Quartz crystal resonant piece, by frequency changes delta f (Δ f=f1-f2), according to Sauerbrey equation, (the 6th is real
Apply in example and have been introduced, details are not described herein) calculate the variation for testing front and back Quartz crystal resonant tablet quality, that is, inject oil
The quality of moisture in sample, so that the content for calculating moisture in transformer insulation oil is 8mg/L.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of electric insulating oil moisture content measuring device with electricity characterized by comprising
Frequency of oscillation counter, oil sample Constant Temperature Detection chamber and crystal oscillator；
The crystal oscillator, surface are coated with hydrophilic coating, and it is intracavitary to be mounted on the oil sample Constant Temperature Detection, for generating frequency of oscillation and passing
It is sent to the frequency of oscillation counter；
The oil sample Constant Temperature Detection chamber, inside is equipped with the crystal oscillator, for containing electric insulating oil；
The frequency of oscillation counter, connect with the crystal oscillator, for recording the frequency of oscillation of crystal oscillator generation, according to the crystal oscillator
The variation of the frequency of oscillation of generation obtains electric insulating oil moisture content.
2. the apparatus according to claim 1, which is characterized in that the electric insulating oil moisture content measuring device with electricity is also
It include: preposition pipeline, the preposition pipeline is connect with the oil sample Constant Temperature Detection chamber, for conveying electric insulating oil and ensuring institute
The temperature for stating electric insulating oil is constant.
3. the apparatus of claim 2, which is characterized in that oil sample Constant Temperature Detection device is installed on the preposition pipeline,
The oil sample Constant Temperature Detection device is used to detect the temperature of electric insulating oil.
4. device according to claim 3, which is characterized in that be equipped with valve on the preposition pipeline, the valve is used
Enter the preposition pipeline in control electric insulating oil.
5. device according to claim 4, which is characterized in that the preposition pipeline is connect with the pipeline that draws oil sample, described to take
Oil sample pipeline draws oil sample for conventional, and inputs electric insulating oil to the preposition pipeline.
6. a kind of electric insulating oil moisture content live detection method, the method are realized by device described in claim 1,
It is characterized in that, comprising:
Electric insulating oil is injected into the oil sample Constant Temperature Detection chamber, according to the first of crystal oscillator described in the frequency of oscillation counter records
Beginning frequency；
Using the frequency of oscillation counter, the frequency of the crystal oscillator after recording water adsorption equilibrium state；
According to the frequency of the crystal oscillator after the original frequency and water adsorption equilibrium state, is calculated using quality algorithm and obtain electricity
It draws last breath edge oil moisture content.
7. a kind of electric insulating oil moisture content live detection method, the method are realized by device as claimed in claim 2,
It is characterized in that, comprising:
Electric insulating oil is injected into the preposition pipeline, and ensures that electric insulating oil temperature in the preposition pipeline is constant；
The constant electric insulating oil of temperature is injected into the oil sample Constant Temperature Detection chamber, according to the frequency of oscillation counter records institute
State the original frequency of crystal oscillator；
Using the frequency of oscillation counter, the frequency of the crystal oscillator after recording water adsorption equilibrium state；
According to the frequency of the crystal oscillator after the original frequency and water adsorption equilibrium state, is calculated using quality algorithm and obtain electricity
It draws last breath edge oil moisture content.
8. a kind of electric insulating oil moisture content live detection method, the method are realized by device as claimed in claim 3,
It is characterized in that, comprising:
Electric insulating oil is injected into the preposition pipeline, the electricity in the preposition pipeline is detected by the oil sample Constant Temperature Detection device
The temperature of gas insulating oil, it is ensured that electric insulating oil temperature in the preposition pipeline is constant；
The constant electric insulating oil of temperature is injected into the oil sample Constant Temperature Detection chamber, according to the frequency of oscillation counter records institute
State the original frequency of crystal oscillator；
Using the frequency of oscillation counter, the frequency of the crystal oscillator after recording water adsorption equilibrium state；
According to the frequency of the crystal oscillator after the original frequency and water adsorption equilibrium state, is calculated using quality algorithm and obtain electricity
It draws last breath edge oil moisture content.
9. a kind of electric insulating oil moisture content live detection method, the method are realized by device as claimed in claim 4,
It is characterized in that, comprising:
By controlling the switch of the valve, electric insulating oil is injected into the preposition pipeline, passes through the oil sample Constant Temperature Detection
Device detects the temperature of the electric insulating oil in the preposition pipeline, it is ensured that electric insulating oil temperature in the preposition pipeline is permanent
It is fixed；
The constant electric insulating oil of temperature is injected into the oil sample Constant Temperature Detection chamber, according to the frequency of oscillation counter records institute
State the original frequency of crystal oscillator；
Using the frequency of oscillation counter, the frequency of the crystal oscillator after recording water adsorption equilibrium state；
According to the frequency of the crystal oscillator after the original frequency and water adsorption equilibrium state, is calculated using quality algorithm and obtain electricity
It draws last breath edge oil moisture content.
10. a kind of electric insulating oil moisture content live detection method, the method device as described in claim 5 is realized,
It is characterised by comprising:
If electric insulating oil is injected the preposition pipeline by the valve opening there are electric insulating oil in the pipeline that draws oil sample, lead to
Cross the temperature for the electric insulating oil that the oil sample Constant Temperature Detection device detects in the preposition pipeline, it is ensured that electric insulating oil is described
Temperature is constant in preposition pipeline；
The constant electric insulating oil of temperature is injected into the oil sample Constant Temperature Detection chamber, according to the frequency of oscillation counter records institute
State the original frequency of crystal oscillator；
Using the frequency of oscillation counter, the frequency of the crystal oscillator after recording water adsorption equilibrium state；
According to the frequency of the crystal oscillator after the original frequency and water adsorption equilibrium state, is calculated using quality algorithm and obtain electricity
It draws last breath edge oil moisture content.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672673A (en) * | 2019-11-01 | 2020-01-10 | 贵州电网有限责任公司 | Oil moisture detection device based on sensor method and detection method thereof |
| CN116642926A (en) * | 2023-07-27 | 2023-08-25 | 武汉南星电力科技有限公司 | Insulating oil moisture detection device |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060260385A1 (en) * | 2003-05-22 | 2006-11-23 | Elop Electro-Optics Industries Ltd | Quartz crystal microbalance humidity sensor |
| CN201382948Y (en) * | 2009-04-16 | 2010-01-13 | 杭州申昊信息科技有限公司 | Online monitoring system of gas in transformer oil |
| CN101949878A (en) * | 2010-09-03 | 2011-01-19 | 兰州交通大学 | Polyimide film miniature quick-response humidity sensing element and manufacturing method thereof |
| CN102095764A (en) * | 2009-12-11 | 2011-06-15 | 上海莫克电子技术有限公司 | Converter for micro water in transformer oil |
| CN202141720U (en) * | 2011-07-01 | 2012-02-08 | 昆明益通美尔防雷工程有限公司 | Device for intelligently monitoring dissolved gas in transformer oil on line |
| CN102539283A (en) * | 2011-01-06 | 2012-07-04 | 北京盈胜泰科技术有限公司 | System for monitoring ingredient change of insulating oil of transformer |
| CN102866243A (en) * | 2011-10-28 | 2013-01-09 | 北京盈胜泰科技术有限公司 | Sensor system for monitoring transformer insulation oil quality |
| CN202903634U (en) * | 2012-10-25 | 2013-04-24 | 长沙理工大学 | QCM (Quartz Crystal Microbalance) gas-phase static detecting device |
| CN203026300U (en) * | 2012-11-28 | 2013-06-26 | 合肥瑞博电气有限公司 | Transformer oil circulation oil injection system |
| CN103344667A (en) * | 2013-07-10 | 2013-10-09 | 中国人民解放军空军勤务学院 | Method for quickly measuring water content of lubricating oil by thermometric titration |
| KR20130133517A (en) * | 2012-05-29 | 2013-12-09 | 포항공과대학교 산학협력단 | Quartz crystal microbalance sensors for simultaneously measurement of electrical properties and mass changes |
| CN103954521A (en) * | 2014-04-28 | 2014-07-30 | 国家电网公司 | Method for testing content of corrosive sulphur in insulating oil |
| CN104020397A (en) * | 2014-06-03 | 2014-09-03 | 华北电力大学 | Method for simulating internal operating environment of converter transformer |
| CN104297648A (en) * | 2014-10-17 | 2015-01-21 | 国网上海市电力公司 | Temperature and flow speed control device used for transformer oil insulation heat ageing test and test method thereof |
| CN105300827A (en) * | 2015-11-02 | 2016-02-03 | 北京至感传感器技术研究院有限公司 | Online detection device of acid value of liquid oil |
| CN205786170U (en) * | 2016-06-27 | 2016-12-07 | 张利群 | There is the detection cell of quartz crystal microbalance of heated at constant temperature function |
| CN206557139U (en) * | 2017-03-14 | 2017-10-13 | 南阳理工学院 | QCM humidity sensors |
-
2018
- 2018-07-25 CN CN201810828577.XA patent/CN109060953B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060260385A1 (en) * | 2003-05-22 | 2006-11-23 | Elop Electro-Optics Industries Ltd | Quartz crystal microbalance humidity sensor |
| CN201382948Y (en) * | 2009-04-16 | 2010-01-13 | 杭州申昊信息科技有限公司 | Online monitoring system of gas in transformer oil |
| CN102095764A (en) * | 2009-12-11 | 2011-06-15 | 上海莫克电子技术有限公司 | Converter for micro water in transformer oil |
| CN101949878A (en) * | 2010-09-03 | 2011-01-19 | 兰州交通大学 | Polyimide film miniature quick-response humidity sensing element and manufacturing method thereof |
| CN102539283A (en) * | 2011-01-06 | 2012-07-04 | 北京盈胜泰科技术有限公司 | System for monitoring ingredient change of insulating oil of transformer |
| CN202141720U (en) * | 2011-07-01 | 2012-02-08 | 昆明益通美尔防雷工程有限公司 | Device for intelligently monitoring dissolved gas in transformer oil on line |
| CN102866243A (en) * | 2011-10-28 | 2013-01-09 | 北京盈胜泰科技术有限公司 | Sensor system for monitoring transformer insulation oil quality |
| KR20130133517A (en) * | 2012-05-29 | 2013-12-09 | 포항공과대학교 산학협력단 | Quartz crystal microbalance sensors for simultaneously measurement of electrical properties and mass changes |
| CN202903634U (en) * | 2012-10-25 | 2013-04-24 | 长沙理工大学 | QCM (Quartz Crystal Microbalance) gas-phase static detecting device |
| CN203026300U (en) * | 2012-11-28 | 2013-06-26 | 合肥瑞博电气有限公司 | Transformer oil circulation oil injection system |
| CN103344667A (en) * | 2013-07-10 | 2013-10-09 | 中国人民解放军空军勤务学院 | Method for quickly measuring water content of lubricating oil by thermometric titration |
| CN103954521A (en) * | 2014-04-28 | 2014-07-30 | 国家电网公司 | Method for testing content of corrosive sulphur in insulating oil |
| CN104020397A (en) * | 2014-06-03 | 2014-09-03 | 华北电力大学 | Method for simulating internal operating environment of converter transformer |
| CN104297648A (en) * | 2014-10-17 | 2015-01-21 | 国网上海市电力公司 | Temperature and flow speed control device used for transformer oil insulation heat ageing test and test method thereof |
| CN105300827A (en) * | 2015-11-02 | 2016-02-03 | 北京至感传感器技术研究院有限公司 | Online detection device of acid value of liquid oil |
| CN205786170U (en) * | 2016-06-27 | 2016-12-07 | 张利群 | There is the detection cell of quartz crystal microbalance of heated at constant temperature function |
| CN206557139U (en) * | 2017-03-14 | 2017-10-13 | 南阳理工学院 | QCM humidity sensors |
Non-Patent Citations (3)
| Title |
|---|
| 冉青等: "基于Nafion的石英晶体微天平低湿传感器", 《仪表技术与传感器》 * |
| 李先懿等: "基于石英晶体微天平的聚醚酰亚胺湿度传感器", 《真空科学与技术学报》 * |
| 汪学华等: "《自然环境试验技术》", 30 November 2003, 航空工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672673A (en) * | 2019-11-01 | 2020-01-10 | 贵州电网有限责任公司 | Oil moisture detection device based on sensor method and detection method thereof |
| CN116642926A (en) * | 2023-07-27 | 2023-08-25 | 武汉南星电力科技有限公司 | Insulating oil moisture detection device |
| CN116642926B (en) * | 2023-07-27 | 2023-10-10 | 武汉南星电力科技有限公司 | Insulating oil moisture detection device |
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