CN203786029U - Device for monitoring SO2 spectrum in SF6 decomposed gas in real time - Google Patents
Device for monitoring SO2 spectrum in SF6 decomposed gas in real time Download PDFInfo
- Publication number
- CN203786029U CN203786029U CN201420208569.2U CN201420208569U CN203786029U CN 203786029 U CN203786029 U CN 203786029U CN 201420208569 U CN201420208569 U CN 201420208569U CN 203786029 U CN203786029 U CN 203786029U
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- China
- Prior art keywords
- quartz
- spectrum
- lens
- spectrometer
- gas
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000001228 spectrum Methods 0.000 title claims abstract description 19
- 239000010453 quartz Substances 0.000 claims abstract description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims abstract description 12
- 229910052805 deuterium Inorganic materials 0.000 claims abstract description 12
- 238000000354 decomposition reaction Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000004587 chromatography analysis Methods 0.000 description 3
- 238000004566 IR spectroscopy Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model provides a device for monitoring SO2 spectrum in SF6 decomposed gas in real time, relates to the field of detection of a photoelectric technology, and solves the problem that an SO2 gas spectrum in decomposed gas cannot be monitored in real time when the SF6 decomposed gas is measured. The device comprises a deuterium lamp, a first quartz converging lens, a sample tank, a second quartz converging lens and a spectrometer; a light beam sent out by the deuterium lamp is transmitted into the sample tank through the first quartz converging lens; the light beam transmitted by the sample tank is transmitted to the second quartz converging lens; the second quartz converging lens is used for converging the light beam and transmitting the light beam into an entrance slit of the spectrometer; the entrance slit of the spectrometer is located at a focusing point part of the second quartz converging lens; the sample tank is provided with a sealed cavity. The sealed cavity of the sample tank is used for filling detection gas SO2 to be detected. The device is applicable to the field of detection of the photoelectric technology.
Description
Technical field
The utility model belongs to photoelectric technology detection field.
Background technology
Sulfur hexafluoride (SF
6) there is good insulation arc extinction performance and physicochemical property, as insulating medium, can either reduce equipment size, can improve dielectric strength again, be accompanied by the growing tension of urban land, be widely used in the equipment for power transmission and distribution such as combined insulation electrical equipment (GIS), isolating switch (GCB), transformer (GIT), cable (GIC), transmission of electricity pipeline (GIL).
Pure SF
6be inert gas colourless, nontoxic, tasteless, that do not fire, in temperature, be 150 ℃ and be difficult for and other material generation chemical reaction when following, normal motion time hydrolysis products seldom or not decomposes.Work as SF
6while there is insulation hidden danger or fault in equipment, no matter be part, corona, spark or arc discharge, all will inevitably cause that energy discharges, these energy can make SF
6gas generation decomposition reaction, generates H
2s, SO
2, HF, SOF
2, SF
4, etc. multiple low-fluorine sulfide.SF
6decomposition components can be accelerated the corrosion of the aging and metal material surface of insulation in GIS, increases the weight of shelf depreciation degree, when serious, also can cause GIS that sudden insulation fault occurs.Therefore to SF
6the measurement of concentration is necessary.
All there are at present a large amount of business-like SF both at home and abroad
6detecting device, is summed up and mainly contains 4 kinds of measuring methods: high-voltage breakdown method, chromatography, ionic transfer degree meter and infrared Absorption spectrometry.
High-voltage breakdown method is mainly according to SF to be measured
6observational measurement is carried out in the variation of voltage breakdown, can not quantitative SF
6gas concentration, and can not real time on-line monitoring.
Chromatography: chromatography is widely used in separation and the evaluation of complex component.Generally by vacuum system, sampling system, ion gun, detecting device and computer control etc., partly formed.Advantage is that measuring accuracy and sensitivity are higher.Shortcoming is apparatus expensive, and can not real time on-line monitoring.
Ionic transfer degree meter method: it is by SF in equipment
6the mensuration of the overall impurity content of gas, carrys out SF in model jade-like stone equipment
6the good and bad degree of gas.Advantage: measure composition many, precision is higher.Shortcoming: be subject to the impact of experimental situation condition, can not Real-Time Monitoring.
Infrared Absorption spectrometry: utilize SF
6gas is measured the method for its concentration at the characteristic absorption peak of infrared wavelength, be the measurement SF mainly studying at present
6gas methods, mainly use equipment is Fourier infrared spectrograph.Advantage be measuring accuracy high, can real-time online detect, not affected by environment.Shortcoming: need to use Fourier infrared spectrograph, apparatus expensive, and need to revise measurement result when scattering is stronger.
SF
6decomposition gas SOF
2spectrum be to detect SF
6the important indicator of the overall impurity content of gas, because said method all can not be realized Real-Time Monitoring, therefore causes SOF
2gaseous spectrum can not obtain Real-Time Monitoring.
Utility model content
The utility model is in order to solve at SF
6when decomposition gas is measured, the SO in can not Real-Time Monitoring decomposition gas
2the problem of gaseous spectrum, and then provide a kind of for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum.
For Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum, it comprises deuterium lamp 1, the first quartz condensing-lens 2, sample cell 3, the second quartz condensing-lens 4 and spectrometer 5;
The light beam that deuterium lamp 1 sends is transmitted through in sample cell 3 through the first quartz condensing-lens 2, through the light beam of these sample cell 3 transmissions, is incident on the second quartz condensing-lens 4, and the second quartz condensing-lens 4 is incident in the entrance slit of spectrometer 5 after this light beam is converged;
The entrance slit of described spectrometer 5 is positioned at the focus place of the second quartz condensing-lens 4;
Described sample cell 3 is with seal chamber.
Described sample cell 3 with seal chamber, be used for filling gas SO to be detected
2.
The utility model adopts deuterium lamp 1 as light source, utilizes SO
2gas, in the feature of the characteristic absorption peak neighbour peak-to valley ratio of 200nm-230nm, gathers spectroscopic data by spectrometer, obtains intuitively gas SO to be measured
2concentration, thereby reach the object of Real-Time Monitoring, and by Beer law, obtain SO according to this spectral value
2concentration.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment one: below in conjunction with Fig. 1, present embodiment is described, described in present embodiment for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum, it comprises deuterium lamp 1, the first quartz condensing-lens 2, sample cell 3, the second quartz condensing-lens 4 and spectrometer 5;
The light beam that deuterium lamp 1 sends is transmitted through in sample cell 3 through the first quartz condensing-lens 2, through the light beam of these sample cell 3 transmissions, is incident on the second quartz condensing-lens 4, and the second quartz condensing-lens 4 is incident in the entrance slit of spectrometer 5 after this light beam is converged;
The entrance slit of described spectrometer 5 is positioned at the focus place of the second quartz condensing-lens 4;
Described sample cell 3 is with seal chamber.
Described sample cell 3 with seal chamber, be used for filling gas SO to be detected
2.
Embodiment two: present embodiment to described in embodiment one for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum is further qualified, and in present embodiment, spectrometer 5 is maya2kPRO type spectrometer.
Embodiment three: present embodiment to described in embodiment one for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum is further qualified, and in present embodiment, sample cell 3 is sealed at both ends cylindrical structure.
Embodiment four: present embodiment to described in embodiment one for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum is further qualified, and in present embodiment, the internal diameter of sample cell 3 is 30mm, and length is 40mm.
Embodiment five: present embodiment to described in embodiment one for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum is further qualified, and in present embodiment, deuterium lamp 1 is positioned at the focus place of the first quartz condensing-lens 2.
Present embodiment is arranged on deuterium lamp 1 at the focus place of the first quartz condensing-lens 2, and then to make the light beam obtaining through the first quartz condensing-lens 2 transmissions be parallel beam, and then this parallel beam is incident to be filled with in the middle of the sample cell 3 of gas to be detected, as the parallel beam arranging in sample cell 3 passes after the gas in sample cell 3, be transmitted through the second quartz condensing-lens 4, described the second quartz condensing-lens 4 focuses on this parallel beam the entrance slit of spectrometer 5, spectrometer 5 gathers incident light, thereby obtains the spectroscopic data of this incident light.
Claims (5)
1. for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum, is characterized in that: it comprises deuterium lamp (1), the first quartz condensing-lens (2), sample cell (3), the second quartz condensing-lens (4) and spectrometer (5);
The light beam that deuterium lamp (1) sends is transmitted through in sample cell (3) through the first quartz condensing-lens (2), light beam through this sample cell (3) transmission is incident to the second quartz condensing-lens (4) above, and the second quartz condensing-lens (4) is incident in the entrance slit of spectrometer (5) after this light beam is converged;
The entrance slit of described spectrometer (5) is positioned at the focus place of the second quartz condensing-lens (4);
Described sample cell (3) is with seal chamber;
Described sample cell (3) with seal chamber, be used for filling gas SO to be detected
2.
2. according to claim 1 for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum, is characterized in that: spectrometer (5) is maya2kPRO type spectrometer.
3. according to claim 1 for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum, is characterized in that: sample cell (3) is sealed at both ends cylindrical structure.
4. according to claim 1 for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum, is characterized in that: the internal diameter of sample cell (3) is 30mm, and length is 40mm.
5. according to claim 1 for Real-Time Monitoring SF
6sO in decomposition gas
2the device of spectrum, is characterized in that: deuterium lamp (1) is positioned at the focus place of the first quartz condensing-lens (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208569.2U CN203786029U (en) | 2014-04-25 | 2014-04-25 | Device for monitoring SO2 spectrum in SF6 decomposed gas in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208569.2U CN203786029U (en) | 2014-04-25 | 2014-04-25 | Device for monitoring SO2 spectrum in SF6 decomposed gas in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203786029U true CN203786029U (en) | 2014-08-20 |
Family
ID=51322206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420208569.2U Expired - Fee Related CN203786029U (en) | 2014-04-25 | 2014-04-25 | Device for monitoring SO2 spectrum in SF6 decomposed gas in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203786029U (en) |
-
2014
- 2014-04-25 CN CN201420208569.2U patent/CN203786029U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20180425 |