LU500203B1 - Multi-parameter detection device for transformer oil based on fluorescence analysis technology - Google Patents
Multi-parameter detection device for transformer oil based on fluorescence analysis technology Download PDFInfo
- Publication number
- LU500203B1 LU500203B1 LU500203A LU500203A LU500203B1 LU 500203 B1 LU500203 B1 LU 500203B1 LU 500203 A LU500203 A LU 500203A LU 500203 A LU500203 A LU 500203A LU 500203 B1 LU500203 B1 LU 500203B1
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- Prior art keywords
- transformer oil
- fluorescence
- sensor
- detection device
- analysis technology
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 238000012921 fluorescence analysis Methods 0.000 title claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000001228 spectrum Methods 0.000 claims abstract description 8
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 6
- 230000003321 amplification Effects 0.000 claims abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 claims description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 3
- 238000002189 fluorescence spectrum Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001917 fluorescence detection Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6402—Atomic fluorescence; Laser induced fluorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/2841—Gas in oils, e.g. hydrogen in insulating oils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The present disclosure provides a multi-parameter detection device for transformer oil based on a fluorescence analysis technology, including an electrical signal sampling module, a compound detection module, a fluorescence measurement module, and a signal processing module. The electrical signal sampling module includes a turbidity sensor, a density sensor, a viscosity coefficient sensor, and an LM386 amplifier circuit for signal amplification that are disposed in the transformer oil; the compound detection module includes a hydrocarbon detector and a sensor probe; the fluorescence measurement module includes a spectrometer probe, a laser generator, and a spectrum analyzer; the signal processing module includes a DSP processor and an LCD display, to process received signals and display the signals on the display. The device of the present disclosure uses highly sensitive sensors to acquire data of the transformer oil in real time, and analyzes whether the transformer is faulty, to remind the staff to repair the transformer, thereby ensuring the normal operation of power equipment.
Description
TECHNICAL FIELD The present disclosure relates to the technical field of transformer oil testing, and in particular, to a multi-parameter detection device for transformer oil based on a fluorescence analysis technology.
BACKGROUND At present, China's power industry is developing rapidly, and power grid operation enterprises have enhanced the detection of some power failures, to improve the reliability of power equipment. Power failure is no small matter, which may damage some equipment or paralyze the whole power system. Therefore, in daily life, the power equipment should be inspected at regular intervals. The power transformer is one item in the power equipment inspection. The existing inspection methods are out of date, and cannot implement online inspection.
In order to facilitate online detection of power transformer faults and detect the cause of faults more conveniently, the present disclosure provides a convenient and fast multi-parameter detection device for transformer oil that can detect turbidity, density, viscosity coefficient, hydrocarbon compounds and fluorescence spectrum of the transformer oil online. When the transformer fails, the transformer oil is decomposed into low molecular hydrocarbons and some impurities, and the turbidity, density, and viscosity coefficients of the transformer oil also change. Sensors convert measured physical quantities into electrical signals, which are processed by DSP hardware to effectively detect the types of hydrocarbon compounds in the transformer oil and the characteristics of the transformer oil, thereby determining whether the transformer is faulty. This ensures the safety of personnel and the improvement of the detection technology.
SUMMARY The present disclosure provides a multi-parameter detection device for transformer oil based on a fluorescence analysis technology, which can quickly detect whether a transformer if faulty and solve the problems of a long detection period, low efficiency, and high cost in the prior art.
The technical solution used in the present disclosure is as follows: A multi-parameter detection device for transformer oil based on a fluorescence analysis technology is provided, including an electrical signal sampling module, a compound detection module, a fluorescence measurement module, and a signal processing module. The electrical signal sampling module includes a turbidity sensor, a density sensor, a viscosity coefficient sensor and an LM386 amplifier circuit for signal amplification that are disposed in the transformer oil; the compound detection module includes a hydrocarbon detector and a sensor probe; the fluorescence measurement module includes a spectrometer probe, a laser generator, and a spectrum analyzer; the signal processing module includes a DSP processor and an LCD display, to process received signals and display the signals on the display.
In the multi-parameter detection device for transformer oil based on a fluorescence analysis technology, the turbidity sensor, the density sensor, and the viscosity coefficient sensor are capable of working independently without being affected by each other, and convert measured physical quantities into electrical signals respectively.
In the multi-parameter detection device for transformer oil based on a fluorescence analysis technology, the electrical signal sampling module sends, through the LM386 amplifier circuit, acquired electrical signals to the signal processing module for processing.
In the multi-parameter detection device for transformer oil based on a fluorescence analysis technology, the compound detection module converts physical quantities into electrical signals through a detector sensor probe, and sends the electrical signals to the signal processing module.
In the multi-parameter detection device for transformer oil based on a fluorescence analysis technology, the laser generator of the fluorescence measurement module first generates fluorescence; a micro fluorescence probe injects laser into the transformer oil and then receives fluorescence generated by the transformer oil under stimulated radiation; the fluorescence is screened by a filter and inputted to the spectrum analyzer through an optical fiber, to convert an optical signal into an electrical signal, and the electrical signal is inputted to the signal processor.
In the multi-parameter detection device for transformer oil based on a fluorescence analysis technology, the DSP processor processes the received electrical signals and displays the electrical signals on the LCD display, and the LCD display has the advantages of low energy consumption, low radiation, and small space occupation.
The beneficial effects of the present disclosure are as follows: The experimental device uses highly sensitive sensors to acquire data of the transformer oil in real time; the DSP processor processes the received data; the turbidity, density, viscosity coefficient, hydrocarbon compounds and fluorescence spectrum are displayed on the LCD display. The obtained data is compared with originally measured data of the fault-free transformer oil, to analyze whether the transformer is faulty, and remind the staff to repair the transformer, thereby ensuring the normal operation of power equipment.
The experimental device uses fluorescence detection, making the sampling more flexible, achieves high test rate, fast data analysis and simple process, and can implement online detection.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 1s a structural block diagram of the present disclosure.
DETAILED DESCRIPTION The present disclosure 1s further described below with reference to the accompanying drawing.
As shown in FIG. 1, a multi-parameter detection device for transformer oil based on a fluorescence analysis technology 1s provided. The device includes an electrical signal sampling module, a compound detection module, a fluorescence measurement module, and a signal processing module. The electrical signal sampling module includes a viscosity coefficient sensor (4), a density sensor (5), a turbidity sensor (6), and an LM386 amplifier circuit (7) to amplify detected signals. Before use, the electrical signal sampling module is tested first, to determine whether the electrical signal sampling module is in a normal state. The compound detection module includes a sensor probe (8) and a hydrocarbon detector (10), to detect the content of low molecular hydrocarbon compounds in the transformer oil. The fluorescence measurement module includes a laser generator (1), a spectrometer probe (2), and a spectrum analyzer (3). The laser generator (1) first generates fluorescence; the spectrometer probe (2) injects laser into the transformer oil and then receives fluorescence generated by the transformer oil under stimulated radiation; the fluorescence is screened by a filter and inputted to the spectrum analyzer (3) through an optical fiber, to convert an optical signal into an electrical signal, and the electrical signal 1s inputted to the signal processor. The signal processing module includes a DSP processor (10) and an LCD display. The DSP processor (10) processes electrical signals of the turbidity sensor (6), the density sensor (5), the viscosity sensor (4), the hydrocarbon detector (9), and the spectrum analyzer (3), and displays these signals on the LCD display (11). The LCD display (11) is an LCD module with a screen size of 2.6 inches.
Claims (6)
1. A multi-parameter detection device for transformer oil based on a fluorescence analysis technology, comprising an electrical signal sampling module, a compound detection module, a fluorescence measurement module, and a signal processing module, wherein the electrical signal sampling module comprises a turbidity sensor, a density sensor, a viscosity coefficient sensor, and an LM386 amplifier circuit for signal amplification that are disposed in the transformer oil; the compound detection module comprises a hydrocarbon detector and a sensor probe; the fluorescence measurement module comprises a spectrometer probe, a laser generator, and a spectrum analyzer; the signal processing module comprises a DSP processor and an LCD display, to process received signals and display the signals on the display.
2. The multi-parameter detection device for transformer oil based on a fluorescence analysis technology according to claim 1, wherein the turbidity sensor, the density sensor, and the viscosity coefficient sensor are capable of working independently without being affected by each other, and convert detected physical quantities into electrical signals respectively.
3. The multi-parameter detection device for transformer oil based on a fluorescence analysis technology according to claim 1, wherein the electrical signal sampling module sends, through the LM386 amplifier circuit, acquired electrical signals to the signal processing module for processing.
4. The multi-parameter detection device for transformer oil based on a fluorescence analysis technology according to claim 1, wherein the compound detection module converts physical quantities into electrical signals through the hydrocarbon detector and the sensor probe, and sends the electrical signals to the signal processing module.
5. The multi-parameter detection device for transformer oil based on a fluorescence analysis technology according to claim 1, wherein in the fluorescence measurement module, the laser generator first generates fluorescence; a micro fluorescence probe injects laser into the transformer oil and then receives fluorescence generated by the transformer oil under stimulated radiation; the fluorescence is screened by a filter and inputted to the spectrum analyzer through an optical fiber, to convert an optical signal into an electrical signal, and the electrical signal is inputted to the signal processor.
6. The multi-parameter detection device for transformer oil based on a fluorescence analysis technology according to claim 1, wherein the DSP processor processes the received electrical signals and displays the electrical signals on the LCD display, and the LCD display has the advantages of relatively low energy consumption, low radiation, and small space occupation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023048110.5U CN213580674U (en) | 2020-12-17 | 2020-12-17 | Transformer oil multi-parameter detection device mainly based on fluorescence analysis technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU500203B1 true LU500203B1 (en) | 2021-11-25 |
Family
ID=76549261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU500203A LU500203B1 (en) | 2020-12-17 | 2021-05-25 | Multi-parameter detection device for transformer oil based on fluorescence analysis technology |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213580674U (en) |
| LU (1) | LU500203B1 (en) |
-
2020
- 2020-12-17 CN CN202023048110.5U patent/CN213580674U/en not_active Expired - Fee Related
-
2021
- 2021-05-25 LU LU500203A patent/LU500203B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN213580674U (en) | 2021-06-29 |
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| Date | Code | Title | Description |
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| FG | Patent granted |
Effective date: 20211125 |