JP6450539B2 - 流体内の成分を検出する方法およびシステム - Google Patents
流体内の成分を検出する方法およびシステム Download PDFInfo
- Publication number
- JP6450539B2 JP6450539B2 JP2014172135A JP2014172135A JP6450539B2 JP 6450539 B2 JP6450539 B2 JP 6450539B2 JP 2014172135 A JP2014172135 A JP 2014172135A JP 2014172135 A JP2014172135 A JP 2014172135A JP 6450539 B2 JP6450539 B2 JP 6450539B2
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- acoustic signal
- component
- pressure sensor
- light beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims description 66
- 238000000034 method Methods 0.000 title claims description 26
- 239000007788 liquid Substances 0.000 claims description 47
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 5
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 230000003595 spectral effect Effects 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 229910001868 water Inorganic materials 0.000 claims description 2
- 230000003472 neutralizing effect Effects 0.000 claims 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 239000000523 sample Substances 0.000 description 48
- 238000001514 detection method Methods 0.000 description 24
- 238000000862 absorption spectrum Methods 0.000 description 12
- 239000003921 oil Substances 0.000 description 9
- 238000002835 absorbance Methods 0.000 description 8
- 238000004867 photoacoustic spectroscopy Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 238000010616 electrical installation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000031700 light absorption Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000013479 data entry Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 238000001785 headspace extraction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012088 reference solution Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
- G01J3/433—Modulation spectrometry; Derivative spectrometry
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/222—Constructional or flow details for analysing fluids
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
- G01N29/2425—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics optoacoustic fluid cells therefor
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
-
- 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
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
- G01N2021/1704—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in gases
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
- G01N2201/06113—Coherent sources; lasers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/067—Electro-optic, magneto-optic, acousto-optic elements
-
- 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
- G01N2291/028—Material parameters
- G01N2291/02809—Concentration of a compound, e.g. measured by a surface mass change
-
- 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
- G01N33/2847—Water in oils
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Acoustics & Sound (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
102 電気的インフラ
104 機器
106 機器
108 検査システム
110 検査システム
112 モバイルオペレータ
114 携帯用診断サブシステム
116 遠隔モニタリングおよび診断サブシステム
200 検出システム
202 変調光源
204 反射板
206 光源
208 変調デバイス
209 回転可能ディスク
210 スロット
212 フィルタ
214 ビームスプリッタ
215 反射板
216 第2のチャンバ
218 第1のチャンバ
220 変調光線
222 変調光線
224 振動板
228 プロセッサ式モジュール
230 成分
232 サンプル流体
234 基準流体
236 圧力センサ
238 第1の音響信号
240 第2の音響信号
242 サンプル液体
244 基準液体
246 第3の音響信号
248 第4の音響信号
250 第1の側
252 第2の側
254 光線
300 概略図
302 長方形
304 点
306 圧力センサ
400 グラフ
402 x軸
404 y軸
406 波形
500 並置型検出システム
502 第1のチャンバ
504 第2のチャンバ
506 圧力センサ
508 変調光線
510 変調光線
600 検出システム
602 第1のチャンバ
604 第2のチャンバ
700 検出システム
702 第1のチャンバ
704 第2のチャンバ
706 振動板
708 圧力センサ
800 検出システム
802 筐体
804 振動板
806 第1のチャンバ
808 第2のチャンバ
810 圧力センサ
900 グラフ
902 x軸
904 y軸
906 曲線
1000 グラフ
1002 x軸
1004 y軸
1006 曲線
1100 グラフ
1102 x軸
1104 y軸
1106 曲線
1200 グラフ
1202 x軸
1204 y軸
1206 曲線
1208 曲線
1210 曲線
1302 変調光線を生成
1304 変調光線を、第1のチャンバ内のサンプル流体に照射
1306 サンプル溶液に対応する第3の音響信号およびサンプル流体の成分に対応する第4の音響信号を備える第1のチャンバ内に第1の音響信号を生成
1308 変調光線を、第2のチャンバ内の基準流体に照射
1310 基準溶液に対応する第2のチャンバ内に第2の音響信号を生成
1312 圧力センサで第2の音響信号を介して第3の音響信号を中和
1314 圧力センサによって、第1の音響信号と第2の音響信号との差を検出
1316 差をプロセッサ式モジュールに送信
1318 差の振幅と、振幅に対応する波長とを測定
1320 波長に基づいて、成分の種類を判断
1322 振幅に基づいて、成分の濃度を判断
Claims (17)
- サンプル流体(232)を有する第1のチャンバ(218)と、
前記第1のチャンバ(218)に結合され、基準流体(234)を有する第2のチャンバ(216)と、
前記サンプル流体(232)および前記基準流体(234)に変調光線(202)を照射し、前記第1のチャンバ(218)内に第1の音響信号(238)を、および前記第2のチャンバ(216)内に第2の音響信号(240)を生成する変調光源(202)と、
前記第1のチャンバ(218)と前記第2のチャンバ(216)との間に配置され、前記第1の音響信号(238)と前記第2の音響信号(240)との差を検出する圧力センサ(236)と、
前記圧力センサ(236)に通信可能に結合され、前記圧力センサ(236)からの前記差を表す信号を受信し、前記差を表す前記信号に基づいて、前記サンプル流体(232)内の成分(230)および前記成分(230)の濃度の少なくとも一方を判断するよう構成される、プロセッサ式モジュール(228)と、
を備え、
前記第1のチャンバ(218)および前記第2のチャンバ(216)が、少なくとも部分的に前記圧力センサ(236)によって隔てられる、
システム。 - 前記サンプル流体(232)が、サンプル液体(242)をさらに備え、前記成分(230)が、前記サンプル液体(242)内に溶解したガス状成分である、請求項1に記載のシステム。
- 前記ガス状成分が、アセチレン、水素、メタン、エタン、エチレン、二酸化炭素、水気、ならびに一酸化炭素、およびそれらの組み合わせを備える、請求項2に記載のシステム。
- 前記基準流体(234)が、基準液体(244)を含む、請求項1から3のいずれかに記載のシステム。
- 前記変調光源(202)が、前記成分(230)のスペクトル吸収波長の範囲内のビーム波長を有する前記変調光線(202)を照射するレーザ源を備える、請求項1から4のいずれかに記載のシステム。
- 前記変調光源(202)が、光源(206)と、前記光線の強度、前記光線の波長、および前記光源(206)のパラメータの少なくとも1つを制御するための変調デバイス(208)とを備える、請求項1から4のいずれかに記載のシステム。
- 前記圧力センサ(236)が、圧電効果式センサ、カンチレバー式センサ、水中マイク、キャパシタンス式センサ、または膜式センサを備える、請求項1から6のいずれかに記載のシステム。
- 前記第1のチャンバ(218)および前記第2のチャンバ(216)が、並置される、請求項1から7のいずれかに記載のシステム。
- 前記第1のチャンバ(218)および前記第2のチャンバ(216)が、同心配置される、請求項1から7のいずれかに記載のシステム。
- 第1のチャンバ(218)内のサンプル流体(232)と前記第1のチャンバ(218)に結合される第2のチャンバ(216)内の基準流体(234)とに変調光線(202)を照射するステップと、
前記照射された変調光線(202)に応じて、前記第1のチャンバ(218)内で第1の音響信号(238)を、ならびに前記第2のチャンバ(216)内で第2の音響信号(240)を生成するステップと、
前記第1のチャンバ(218)および前記第2のチャンバ(216)の間に配置される圧力センサ(236)を介して、前記第1の音響信号(238)と前記第2の音響信号(240)との差を検出するステップと、
前記圧力センサ(236)からプロセッサ式モジュール(228)に前記差を表す信号を送信するステップと、
前記差を表す前記信号に基づいて、前記プロセッサ式モジュール(228)を介して、前記サンプル流体(232)内の成分(230)および前記成分(230)の濃度の少なくとも一方を判断するステップと、
を備え、
前記第1のチャンバ(218)および前記第2のチャンバ(216)が、少なくとも部分的に前記圧力センサ(236)によって隔てられている、
方法。 - 前記照射するステップが、前記成分(230)のスペクトル吸収波長の範囲内のビーム波長を有する前記変調光線(202)を生成するステップを備える、請求項10に記載の方法。
- 前記照射するステップが、前記光線の強度および前記光線の波長の少なくとも一方を変調するステップを備える、請求項10または11に記載の方法。
- 前記第1の音響信号(238)を生成するステップが、前記サンプル流体(232)のサンプル液体(242)に対応する第3の音響信号(246)と、前記サンプル流体(232)の前記成分(230)に対応する第4の音響信号(248)とを生成するステップを備える、請求項10から12のいずれかに記載の方法。
- 前記第2の音響信号(240)が、基準液体(244)を備える前記基準流体(234)に対応する、請求項13に記載の方法。
- 前記検出するステップが、前記圧力センサ(236)の第1の側(250)に送信される前記第3の音響信号(246)を、前記圧力信号の前記第1の側(250)と反対側の第2の側(252)に送信される前記第2の音響信号(240)を介して、中和するか、または実質的に中和するステップを備える、請求項14に記載の方法。
- 前記判断するステップが、前記差を表す前記信号の振幅値を測定するステップを備える、請求項10から15のいずれかに記載の方法。
- 前記判断するステップが、前記測定された振幅値に基づいて、前記成分(230)の前記濃度を測定するステップを備える、請求項16に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN3839/CHE/2013 | 2013-08-29 | ||
IN3839CH2013 | 2013-08-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015049243A JP2015049243A (ja) | 2015-03-16 |
JP6450539B2 true JP6450539B2 (ja) | 2019-01-09 |
Family
ID=51359334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014172135A Active JP6450539B2 (ja) | 2013-08-29 | 2014-08-27 | 流体内の成分を検出する方法およびシステム |
Country Status (6)
Country | Link |
---|---|
US (1) | US20150059435A1 (ja) |
EP (1) | EP2843381A1 (ja) |
JP (1) | JP6450539B2 (ja) |
CN (1) | CN104422658B (ja) |
BR (1) | BR102014021372A2 (ja) |
CA (1) | CA2859411A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016179693A1 (en) | 2015-05-11 | 2016-11-17 | 9334-3275 Quebec Inc. | Photoacoustic detector |
US20170153206A1 (en) * | 2015-11-27 | 2017-06-01 | Electronics And Telecommunications Research Institute | Photo acoustic probe and photo acoustic measurement device including the same |
WO2018170258A1 (en) * | 2017-03-15 | 2018-09-20 | Frito-Lay North America, Inc. | Quantitative liquid texture measurement apparatus and methods |
CN110945353B (zh) * | 2017-06-13 | 2023-04-07 | 通用电气公司 | 用阻抗式气体感测器的溶解气体分析 |
WO2019022081A1 (ja) * | 2017-07-28 | 2019-01-31 | 京セラ株式会社 | センサモジュール |
US10365209B1 (en) | 2017-11-15 | 2019-07-30 | Morgan Schaffer Ltd. | Apparatus and method for performing dissolved gas analysis on a piece of electrical equipment using resonant photo-acoustic spectroscopy and use thereof |
CN112504971B (zh) * | 2021-02-08 | 2021-04-20 | 湖北鑫英泰系统技术股份有限公司 | 一种变压器油中特征气体的光声光谱识别方法与装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4067653A (en) * | 1976-08-27 | 1978-01-10 | Nasa | Differential optoacoustic absorption detector |
JPS5436778A (en) * | 1977-08-26 | 1979-03-17 | Horiba Ltd | Photosound effect type analyzer |
US4492862A (en) * | 1981-08-07 | 1985-01-08 | Mathematical Sciences Northwest, Inc. | Method and apparatus for analyzing components of hydrocarbon gases recovered from oil, natural gas and coal drilling operations |
JPS595939A (ja) * | 1982-07-03 | 1984-01-12 | Horiba Ltd | パ−テイキユレ−ト連続測定装置 |
EP0840105A1 (en) * | 1996-11-05 | 1998-05-06 | Orbisphere Laboratories Neuchatel Sa | Spectroscopic method and apparatus |
DE59712692D1 (de) * | 1997-01-25 | 2006-08-24 | Siemens Schweiz Ag | Optoakustischer Gassensor |
US6236455B1 (en) * | 1998-06-26 | 2001-05-22 | Battelle Memorial Institute | Photoacoustic spectroscopy sample cells and methods of photoacoustic spectroscopy |
WO2005093390A1 (en) * | 2004-03-29 | 2005-10-06 | Noveltech Solutions Oy | Method and system for detecting one or more gases or gas mixtures and/or for measuring the concentration of one or more gases or gas mixtures |
US7679059B2 (en) * | 2006-04-19 | 2010-03-16 | Spectrasensors, Inc. | Measuring water vapor in hydrocarbons |
US20080277586A1 (en) * | 2007-05-07 | 2008-11-13 | Dennis Cardinale | Low-Power Fast Infrared Gas Sensor, Hand Held Gas Leak Detector, and Gas Monitor Utilizing Absorptive-Photo-Acoustic Detection |
US7958771B2 (en) * | 2008-04-23 | 2011-06-14 | Honeywell International Inc. | Photoacoustic sensor |
US7808640B2 (en) * | 2008-07-30 | 2010-10-05 | Honeywell International Inc. | Photoacoustic spectroscopy system |
CN201853104U (zh) * | 2010-11-23 | 2011-06-01 | 山东电力集团公司淄博供电公司 | 气体绝缘组合电器监测系统 |
US8584508B2 (en) * | 2011-04-26 | 2013-11-19 | Honeywell International Inc. | Photoacoustic sensor with adaptive operating frequency |
US8661874B2 (en) * | 2011-04-28 | 2014-03-04 | Honeywell International Inc. | Photoacoustic detector with background signal correction |
-
2014
- 2014-08-14 CA CA2859411A patent/CA2859411A1/en not_active Abandoned
- 2014-08-21 EP EP14181832.8A patent/EP2843381A1/en not_active Withdrawn
- 2014-08-25 US US14/467,304 patent/US20150059435A1/en not_active Abandoned
- 2014-08-27 JP JP2014172135A patent/JP6450539B2/ja active Active
- 2014-08-28 BR BR102014021372A patent/BR102014021372A2/pt not_active Application Discontinuation
- 2014-08-29 CN CN201410437506.9A patent/CN104422658B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20150059435A1 (en) | 2015-03-05 |
CN104422658B (zh) | 2019-07-05 |
CN104422658A (zh) | 2015-03-18 |
BR102014021372A2 (pt) | 2016-04-19 |
EP2843381A1 (en) | 2015-03-04 |
JP2015049243A (ja) | 2015-03-16 |
CA2859411A1 (en) | 2015-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6450539B2 (ja) | 流体内の成分を検出する方法およびシステム | |
JP6699983B2 (ja) | 流体中の成分を検出するための方法およびシステム | |
Jiang et al. | Multi-gas detection in power transformer oil based on tunable diode laser absorption spectrum | |
US20140026639A1 (en) | System and method for photoacoustic gas analysis | |
CA2838004A1 (en) | Sensor assembly and method for determining the hydrogen and moisture content of transformer oil | |
Li et al. | Multi-pass absorption enhanced photoacoustic spectrometer based on combined light sources for dissolved gas analysis in oil | |
CN104165880A (zh) | 一种变压器油中溶解气体的在线检测方法 | |
US11226286B2 (en) | Inspection apparatus, inspection method, library generation apparatus, library generation method, computer program and recording medium | |
JP2004533620A (ja) | 気体識別装置 | |
US20150053861A1 (en) | Interference-compensating NDIR Gas Sensor for Measuring Acetylene | |
CA2901207C (en) | System and method for dissolved gas analysis | |
JP5872127B1 (ja) | 油入電気機器の異常診断方法 | |
JPWO2018066360A1 (ja) | 検査装置、検査方法、コンピュータプログラム及び記録媒体 | |
KR20200050745A (ko) | 변압기의 유중 가스 분석 시스템 및 그에 사용되는 유중 가스 측정 모듈 | |
WO2018105332A1 (ja) | 検査装置、検査方法、コンピュータプログラム及び記録媒体 | |
JP6584366B2 (ja) | ガス分析装置およびガス分析方法 | |
JP2012058105A (ja) | 光学式分析計 | |
CN109239008B (zh) | 一种基于微纳光纤倏逝场的油浸式变压器故障检测装置 | |
De Maria et al. | Ozone sensor for application in medium voltage switchboard | |
Dai et al. | Dual Laser Cantilever Enhanced Photoacoustic Spectroscopy Detection System for SF 6 Decomposition Components | |
Özdemir et al. | Development of a sensor for monitoring the paper condition using infrared spectroscopy | |
WO2018066361A1 (ja) | 検査装置、検査方法、コンピュータプログラム及び記録媒体 | |
CN116793589A (zh) | 一种变压器故障检测方法及装置 | |
RU2007146325A (ru) | Способ выявления пузырьковых газообразований в диэлектрических жидкостях и вибраций элементов маслонаполненных аппаратов |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170814 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180725 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180807 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181105 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20181113 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20181210 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6450539 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |