CN103712953A - Sulfur hexafluoride gas component analyzer - Google Patents
Sulfur hexafluoride gas component analyzer Download PDFInfo
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- CN103712953A CN103712953A CN201410013696.1A CN201410013696A CN103712953A CN 103712953 A CN103712953 A CN 103712953A CN 201410013696 A CN201410013696 A CN 201410013696A CN 103712953 A CN103712953 A CN 103712953A
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- catoptron
- air chamber
- light path
- infrared
- atmospheric air
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Abstract
The invention discloses a sulfur hexafluoride gas component analyzer, comprising an atmosphere chamber, a power supply and a circuit control board, wherein an infrared light source and a light path output window are arranged on the left side wall of the atmosphere chamber, and an atmosphere chamber air inlet and an atmosphere chamber air outlet are formed in the rear wall of the atmosphere chamber; a helium neon light source, a first reflector and a second reflector are arranged on the left side of the outer part of the atmosphere chamber; an interferometer and a sensor are arranged in the atmosphere chamber; the interferometer comprises a third reflector, a fourth reflector, a beam splitter, an infrared total reflection mirror, a laser detector, a fifth reflector, a small air chamber and an infrared detector; the power supply provides power to the structures; the circuit control board controls the operation of the infrared light source, the helium neon light source, the small air chamber and the power supply and receives and processes signals transmitted by the sensor, the laser detector, the infrared detector and the small air chamber. The sulfur hexafluoride gas component analyzer provided the analyzer is simple in structure, small in necessary gas quantity, free of external environmental effect, high in analysis precision and is wide in application range.
Description
Technical field
The present invention relates to a kind of gas composition analyser, relate in particular to a kind of sulfur hexafluoride gas component analysis instrument.
?
Background technology
Sulfur hexafluoride (SF
6) gas has good insulation and arc extinction performance, can greatly reduce equipment size, is therefore widely used in GIS and SF
6in the equipment such as isolating switch.But result of study shows, works as SF
6while there is insulation fault in equipment, the high-temperature electric arc of discharge generation can make SF
6gas generation decomposition reaction, SF
6decomposition product during inside electric appliance fault is mainly sulfide and fluoride, and sulfide is mainly by SO
2, H
2s, SF
4, SO
2f
2and SOF
2deng, fluoride is mainly by HF, CF
4and metal fluoride.In above-mentioned analyte except SO
2, H
2s and CF
4outside toxicity is little, other is all violent in toxicity.
The gas content that tradition sulfur hexafluoride gas component analysis instrument needs in analysis bank timesharing is more, and these violents in toxicity are few at the content of traditional analysis instrument inside, are difficult to detect, and also extremely unstable, wherein SF
4, SOF
2produce stable SO Deng can be hydrolyzed again
2and HF.In addition, the SF in fact using
6gas always contains a certain amount of air and moisture, and the multiple low-fluorine sulfide generating due to above-mentioned decomposition is very active, with SF
6micro-moisture in gas and oxygen etc. react, and produce SOF
2, SO
2f
2, SOF
4, SO
2with poisonous gas such as HF, so just make to be vulnerable to the impact of external environment when utilizing traditional sulfur hexafluoride gas component analysis instrument to analyze, not only had a strong impact on its analysis precision, but also limited it, can only in laboratory, use, and can not be applied to working-yard, very big its scope of application of having dwindled.
Summary of the invention
The technical problem to be solved in the present invention is, for sulfur hexafluoride gas component analysis instrument in prior art detect desired gas amount greatly, be easily affected by the external environment, the above-mentioned defect such as analysis precision is low and the scope of application is little, provide a kind of simple in structure, desired gas amount is little, be not affected by the external environment, analysis precision is high and the scope of application is large sulfur hexafluoride gas component analysis instrument.
The technical solution adopted for the present invention to solve the technical problems is: a kind of sulfur hexafluoride gas component analysis instrument, comprises atmospheric air chamber, power supply and circuit control panel;
Atmospheric air chamber left side wall is provided with infrared light supply and light path output window, and atmospheric air chamber rear wall is provided with atmospheric air chamber air intake opening and atmospheric air chamber gas outlet;
Atmospheric air chamber outer left side is provided with He-Ne light source, the first catoptron and the second catoptron; The first catoptron is arranged in the incident beam light path of He-Ne light source, and the second catoptron is positioned in the folded light beam light path of the first catoptron, and light path output window is positioned in the folded light beam light path of the second catoptron;
Atmospheric air chamber inside is provided with interferometer and is positioned at the sensor at interferometer rear;
Interferometer comprise be arranged in infrared light supply incident beam light path and the second catoptron folded light beam light path on the 3rd catoptron, be arranged on the 4th catoptron in the 3rd catoptron folded light beam light path, be arranged on the beam splitter in the 4th catoptron folded light beam light path, be arranged on the infrared completely reflecting mirror of position, beam splitter upper right side, be arranged on laser detector and the 5th catoptron in beam splitter transmitted light beam light path, be positioned at the little air chamber in the 5th catoptron folded light beam light path and be positioned at the infrared eye in the outgoing beam light path of stingy chamber,
Power supply is above-mentioned each structure power supply; Circuit control panel is controlled the operation of infrared light supply, He-Ne light source, little air chamber and power supply, receives the also signal of processes sensor, laser detector, infrared eye and the transmission of stingy chamber.
In sulfur hexafluoride gas component analysis instrument of the present invention, on atmospheric air chamber left side wall, be provided with infrared light supply, and the infrared eye of interferometer inside is for signals such as detected temperatures, the present invention adopts infrared spectrum to carry out analytical gas component as can be seen here, Infrared spectroscopy characteristic is strong, to gas, liquid and solid sample, all can measure, and it is few that it detects required gas flow, analysis speed is fast, do not destroy sample, solve the technical matters that is seldom difficult to detection in traditional components analyser because of gas content, but also contributed to improve its analysis speed.
Atmospheric air chamber outer left side is provided with He-Ne light source, the first catoptron and the second catoptron, and the light beam that He-Ne light source sends relies on the reflection of the first catoptron and the second catoptron and injects in atmospheric air chamber, and the laser detector in interferometer is used for surveying coherent signal.
In atmospheric air chamber internal intervention instrument rear position, be provided with sensor, this sensor is for the indoor signals such as humidity of atmospheric sounding and this signal is transferred to circuit control panel.
Hence one can see that, sulfur hexafluoride gas component analysis instrument of the present invention is incorporated into various functional parts in atmospheric air chamber, not only simplified the structure of described analyser, but also in the environment of the opticator that makes described analyser in a sealing, it is isolated from the outside, this just can exempt the impact on analysis precision such as air in external environment and moisture to a certain extent, has significantly improved the analysis precision of described analyser.In addition, because described analyser can be avoided the impact of external environment, therefore described analyser can not only use in laboratory, can also carry out at the construction field (site) detecting and analyzing in real time, expand its scope of application.
As a kind of improvement to technical scheme of the present invention, sensor is humidity sensor.This humidity sensor can detect in real time to the humidity in atmospheric air chamber, and testing result is transferred to circuit control panel, controls associated mechanisms move by circuit control panel.
As a kind of improvement to technical scheme of the present invention, also comprise and be positioned at the liquid nitrogen container that atmospheric air chamber is outside and be connected with atmospheric air chamber, liquid nitrogen container is also connected with infrared eye with laser detector respectively by pipeline.The design of liquid nitrogen container, can give laser detector and infrared eye cooling on the one hand, guarantees that the two is all the time in good working order, on the other hand, when humidity sensor detects atmosphere indoor humidity over preset value, liquid nitrogen container just can purge atmospheric air chamber inside under the control of circuit control panel, when humidity sensor detects atmosphere indoor humidity within preset value time, liquid nitrogen container can not purge atmospheric air chamber, such design can not only guarantee the dry of atmospheric air chamber internal environment constantly, avoid moisture to exert an influence to the analysis result of little air chamber, be of value to the analysis precision that improves described analyser, and can also avoid liquid nitrogen container for a long time atmospheric air chamber inside to be purged, saved cost.
As a kind of improvement to technical scheme of the present invention, on stingy chamber left side wall and right side wall, be respectively equipped with light input port and light delivery outlet, and top, stingy chamber is provided with little air inlet of air chamber and gas outlet, stingy chamber.
As a kind of improvement to technical scheme of the present invention, stingy outdoor is provided with the 6th catoptron being positioned in the 5th catoptron folded light beam light path and is positioned at the 7th catoptron in the 6th catoptron folded light beam light path, and light input port is positioned in the folded light beam light path of the 7th catoptron.
When the reflection via the 6th catoptron and the 7th catoptron of infrared beam and He-Ne light beam injects after little air chamber, by little air chamber, the light beam entering and gas are analyzed.
In addition, in the technical scheme of the present invention, all being not specifically noted, all can be by adopting the conventional means in this area realize the technical program.
Therefore, the invention provides a kind of sulfur hexafluoride gas component analysis instrument, this analyser is simple in structure, and desired gas amount is little, is not affected by the external environment, and analysis precision is high, and its scope of application is large.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of sulfur hexafluoride gas component analysis instrument of the present invention;
Fig. 2 is the structural representation of little air chamber;
In accompanying drawing, 1 is atmospheric air chamber, 2 is infrared light supply, 3 is light path output window, 4 is atmospheric air chamber air intake opening, 5 is atmospheric air chamber gas outlet, 6 is He-Ne light source, 7 is the first catoptron, 8 is the second catoptron, 9 is interferometer, 10 is the 3rd catoptron, 11 is the 4th catoptron, 12 is beam splitter, 13 is infrared completely reflecting mirror, 14 is laser detector, 15 is the 5th catoptron, 16 is little air chamber, 17 is infrared eye, 18 is sensor, 19 is liquid nitrogen container, 20 is light input port, 21 is light delivery outlet, 22 is little air inlet of air chamber, 23 is gas outlet, stingy chamber, 24 is the 6th catoptron, 25 is the 7th catoptron, 26 is power supply, 27 is circuit control panel.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In preferred embodiment of the present invention, a kind of sulfur hexafluoride gas component analysis instrument, comprises atmospheric air chamber 1, power supply 26 and circuit control panel 27.
As shown in Figure 1, atmospheric air chamber 1 left side wall is provided with infrared light supply 2 and light path output window 3, is provided with atmospheric air chamber air intake opening 4 and atmospheric air chamber gas outlet 5 on atmospheric air chamber 1 rear wall; Atmospheric air chamber 1 outer left side is provided with He-Ne light source 6, the first catoptron 7 and the second catoptron 8, wherein, this first catoptron 7 is arranged in the incident beam light path of above-mentioned He-Ne light source 6, the second catoptron 8 is positioned in the folded light beam light path of the first catoptron 7, and light path output window 3 is positioned in the folded light beam light path of this second catoptron 8.
Atmospheric air chamber 1 inside is provided with interferometer 9 and is positioned at the humidity sensor 18 of these interferometer 9 rear positions.This interferometer 9 comprise be arranged in above-mentioned infrared light supply 2 incident beam light paths and above-mentioned the second catoptron 8 folded light beam light paths on the 3rd catoptron 10, be arranged on the 4th catoptron 11 in above-mentioned the 3rd catoptron 10 folded light beam light paths, be arranged on the beam splitter 12 in above-mentioned the 4th catoptron 11 folded light beam light paths, be arranged on the infrared completely reflecting mirror 13 of above-mentioned beam splitter 12 positions, upper right side, be arranged on laser detector 14 and the 5th catoptron 15 in above-mentioned beam splitter 12 transmitted light beam light paths, be positioned at the stingy chamber 16 in above-mentioned the 5th catoptron 15 folded light beam light paths and be positioned at the infrared eye 17 in these stingy chamber 16 outgoing beam light paths,
The present embodiment also comprises the liquid nitrogen container 19 that is positioned at atmospheric air chamber 1 outside and is connected with this atmospheric air chamber 1, and this liquid nitrogen container 19 is also connected with infrared eye 17 with above-mentioned laser detector 14 respectively by pipeline.
In above-mentioned stingy chamber 16, on its left side wall and right side wall, be respectively equipped with light input port 20 and light delivery outlet 21, and these 16 tops, stingy chamber are provided with little air inlet of air chamber 22 and gas outlet, stingy chamber 23; In addition, these 16 outsides, stingy chamber are also provided with and are positioned at the 6th catoptron 24 in above-mentioned the 5th catoptron 15 folded light beam light paths and are positioned at the 7th catoptron 25 in the 6th catoptron 24 folded light beam light paths, and above-mentioned light input port 20 is positioned in the folded light beam light path of the 7th catoptron 25.
In the present embodiment, power supply 26 is above-mentioned each structure power supply, circuit control panel 27 is controlled the operation of infrared light supply 2, He-Ne light source 6, stingy chamber 16, liquid nitrogen container 19 and power supply 26, receives and process the signal of above-mentioned humidity sensor 18, laser detector 14, infrared eye 17 and 16 transmission of stingy chamber.
In addition, in the present embodiment, the first catoptron 7, the second catoptron 8, beam splitter 12 and infrared completely reflecting mirror 13 are all with 45
oangle upper right side is obliquely installed, and the 3rd catoptron 10, the 4th catoptron 11, the 5th catoptron 15, the 6th catoptron 24 and the 7th catoptron 25 are all with 45
oangle upper left side is obliquely installed.
The sulfur hexafluoride gas component analysis instrument that the present embodiment provides is simple in structure, and it is little that it detects analysis desired gas amount, is not affected by the external environment, and analysis precision is high, and its scope of application is large.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (5)
1. a sulfur hexafluoride gas component analysis instrument, is characterized in that, comprises atmospheric air chamber (1), power supply (26) and circuit control panel (27);
Described atmospheric air chamber (1) left side wall is provided with infrared light supply (2) and light path output window (3), and described atmospheric air chamber (1) rear wall is provided with atmospheric air chamber air intake opening (4) and atmospheric air chamber gas outlet (5);
Described atmospheric air chamber (1) outer left side is provided with He-Ne light source (6), the first catoptron (7) and the second catoptron (8); Described the first catoptron (7) is arranged in the incident beam light path of described He-Ne light source (6), described the second catoptron (8) is positioned in the folded light beam light path of described the first catoptron (7), and described light path output window (3) is positioned in the folded light beam light path of described the second catoptron (8);
Described atmospheric air chamber (1) inside is provided with interferometer (9) and is positioned at the sensor (18) at described interferometer (9) rear;
Described interferometer (9) comprise be arranged in described infrared light supply (2) incident beam light path and described the second catoptron (8) folded light beam light path on the 3rd catoptron (10), be arranged on the 4th catoptron (11) in described the 3rd catoptron (10) folded light beam light path, be arranged on the beam splitter (12) in described the 4th catoptron (11) folded light beam light path, be arranged on the infrared completely reflecting mirror (13) of described beam splitter (12) position, upper right side, be arranged on laser detector (14) and the 5th catoptron (15) in described beam splitter (12) transmitted light beam light path, be positioned at the little air chamber (16) in described the 5th catoptron (15) folded light beam light path and be positioned at the infrared eye (17) in described little air chamber (16) outgoing beam light path,
Described power supply (26) is above-mentioned each structure power supply; Described circuit control panel (27) is controlled the operation of infrared light supply (2), He-Ne light source (6), little air chamber (16) and power supply (26), receives and process the signal of described sensor (18), laser detector (14), infrared eye (17) and little air chamber (16) transmission.
2. sulfur hexafluoride gas component analysis instrument according to claim 1, is characterized in that, described sensor (18) is humidity sensor.
3. sulfur hexafluoride gas component analysis instrument according to claim 1, it is characterized in that, also comprise and be positioned at the liquid nitrogen container (19) that described atmospheric air chamber (1) is outside and be connected with described atmospheric air chamber (1), described liquid nitrogen container (19) is also connected with infrared eye (17) with laser detector (14) respectively by pipeline.
4. sulfur hexafluoride gas component analysis instrument according to claim 1, it is characterized in that, on described little air chamber (16) left side wall and right side wall, be respectively equipped with light input port (20) and light delivery outlet (21), and little air chamber (16) top is provided with little air inlet of air chamber (22) and gas outlet, stingy chamber (23).
5. sulfur hexafluoride gas component analysis instrument according to claim 4, it is characterized in that, described little air chamber (16) outside is provided with and is positioned at the 6th catoptron (24) in described the 5th catoptron (15) folded light beam light path and is positioned at the 7th catoptron (25) in described the 6th catoptron (24) folded light beam light path, and described light input port (20) is positioned in the folded light beam light path of described the 7th catoptron (25).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013696.1A CN103712953B (en) | 2014-01-13 | 2014-01-13 | A kind of sulfur hexafluoride gas component analysis instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013696.1A CN103712953B (en) | 2014-01-13 | 2014-01-13 | A kind of sulfur hexafluoride gas component analysis instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103712953A true CN103712953A (en) | 2014-04-09 |
| CN103712953B CN103712953B (en) | 2015-09-23 |
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|---|---|---|---|
| CN201410013696.1A Active CN103712953B (en) | 2014-01-13 | 2014-01-13 | A kind of sulfur hexafluoride gas component analysis instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389622A (en) * | 2017-06-28 | 2017-11-24 | 广东省特种设备检测研究院茂名检测院 | A kind of optics cavity for being used to measure natural gas transmitted spectrum |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060180763A1 (en) * | 2005-02-14 | 2006-08-17 | Denso Corporation | Gas detector that uses infrared light and method of detecting gas concentration |
| CN2886556Y (en) * | 2005-08-02 | 2007-04-04 | 德菲电气（北京）有限公司 | Infrared online gas analyzer |
| JP2008026190A (en) * | 2006-07-21 | 2008-02-07 | Univ Of Fukui | Gas detector |
| US20080084561A1 (en) * | 2004-10-22 | 2008-04-10 | Pranalytica, Inc. | System and method for high sensitivity optical detection of gases |
| WO2013036378A1 (en) * | 2011-09-09 | 2013-03-14 | Novawave Technologies, Inc. | High-accracy mid-ir laser-based gas sensor |
| CN203758912U (en) * | 2014-01-13 | 2014-08-06 | 南京顺泰科技有限公司 | Sulfur hexafluoride gas component analyzer |
-
2014
- 2014-01-13 CN CN201410013696.1A patent/CN103712953B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080084561A1 (en) * | 2004-10-22 | 2008-04-10 | Pranalytica, Inc. | System and method for high sensitivity optical detection of gases |
| US20060180763A1 (en) * | 2005-02-14 | 2006-08-17 | Denso Corporation | Gas detector that uses infrared light and method of detecting gas concentration |
| CN2886556Y (en) * | 2005-08-02 | 2007-04-04 | 德菲电气（北京）有限公司 | Infrared online gas analyzer |
| JP2008026190A (en) * | 2006-07-21 | 2008-02-07 | Univ Of Fukui | Gas detector |
| WO2013036378A1 (en) * | 2011-09-09 | 2013-03-14 | Novawave Technologies, Inc. | High-accracy mid-ir laser-based gas sensor |
| CN203758912U (en) * | 2014-01-13 | 2014-08-06 | 南京顺泰科技有限公司 | Sulfur hexafluoride gas component analyzer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389622A (en) * | 2017-06-28 | 2017-11-24 | 广东省特种设备检测研究院茂名检测院 | A kind of optics cavity for being used to measure natural gas transmitted spectrum |
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| CN103712953B (en) | 2015-09-23 |
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