JP2015057597A - 流体中の成分を検出するための方法およびシステム - Google Patents
流体中の成分を検出するための方法およびシステム Download PDFInfo
- Publication number
- JP2015057597A JP2015057597A JP2014167044A JP2014167044A JP2015057597A JP 2015057597 A JP2015057597 A JP 2015057597A JP 2014167044 A JP2014167044 A JP 2014167044A JP 2014167044 A JP2014167044 A JP 2014167044A JP 2015057597 A JP2015057597 A JP 2015057597A
- Authority
- JP
- Japan
- Prior art keywords
- component
- acoustic signal
- light beam
- wavelength
- beam wavelength
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 230000004044 response Effects 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 82
- 238000000862 absorption spectrum Methods 0.000 claims description 29
- 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 12
- 230000003287 optical effect Effects 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
- 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
- 230000000694 effects Effects 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
- 230000001360 synchronised effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 230000008859 change Effects 0.000 description 16
- 239000007789 gas Substances 0.000 description 13
- 238000004867 photoacoustic spectroscopy Methods 0.000 description 9
- 238000002835 absorbance Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 238000010616 electrical installation Methods 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 239000000725 suspension Substances 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
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011554 ferrofluid Substances 0.000 description 1
- 238000001914 filtration 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
- 230000036541 health Effects 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
- 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
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 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
- 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
-
- 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
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
-
- 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
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/48—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by amplitude comparison
-
- 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
- G01N21/1702—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
- G01N2021/1708—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 with piezotransducers
-
- 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
- G01N2291/024—Mixtures
- G01N2291/02433—Gases in liquids, e.g. bubbles, foams
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
102 電気インフラ
104、106 検査されるべき設備
108、110 検査システム
112 携帯端末の操作者
114 携帯型診断サブシステム
116 遠隔監視・診断サブシステム
200 検出システム
202 変調光源
204 反射器
206 光源
208 変調装置
210 光学フィルタ
212 変調された光ビーム
213 第1のビーム波長
214 第2のビーム波長
216 チャンバ
218 流体
220 液体
222 成分
224 音響信号
228 プロセッサベースのモジュール
230 回転ディスク
232 スロット
234 第1の音響信号
236 圧力センサ
238 第2の音響信号
240 光ビーム
302 チャンバ(矩形)
306 位置
400 グラフ
402 x軸
404 y軸
406 波形
500 グラフ表現、グラフ
502 x軸
504 y軸
506 第1のパルス
508 第2のパルス
600 グラフ
602 x軸
604 y軸
606 曲線
608 曲線
610 第1の吸収値の範囲
612 第2の吸収値の範囲
614 離隔
616 第1の吸収値
618 第2の吸収値
700 グラフ
702 x軸
704 y軸
706 曲線
708 曲線
710 吸収値の範囲
712 第3の吸収値
714 第4の吸収値
800 グラフ
802 x軸
804 y軸
806 曲線
808 曲線
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
1112 第1の吸収値
1114 第2の吸収値
1200 グラフ
1202 x軸
1204 y軸
1206 曲線
1208 曲線
1210 曲線
1214 第3の吸収値
1216 第4の吸収値
1300 フロー図
Claims (23)
- 液体(220)および該液体(220)中の成分(222)を含む流体(218)を有するチャンバ(216)と、
前記成分(222)の存在に起因する音響信号(224)を生成するために変調された光ビーム(212)を前記流体(218)に放射するための変調光源(202)と、
前記音響信号(224)を検出するための、前記チャンバ(216)の近傍に配置された圧力センサ(236)と、
前記圧力センサ(236)と通信可能に接続されたプロセッサベースのモジュール(228)であって、前記圧力センサ(236)から前記音響信号(224)を受信し、前記音響信号(224)に基づいて前記流体(218)中の前記成分(222)および前記成分(222)の濃度の少なくとも一方を測定するように構成されたプロセッサベースのモジュール(228)と
を備えるシステム(200)。 - 前記成分(222)が気体成分である、請求項1に記載のシステム(200)。
- 前記気体成分が、アセチレン、水素、メタン、エタン、エチレン、二酸化炭素、水蒸気、一酸化炭素、およびこれらの組合せを含む、請求項2に記載のシステム(200)。
- 前記変調光源(202)が、レーザ源および変調装置(208)を備える、請求項1に記載のシステム(200)。
- 前記変調装置(208)が、前記レーザ源から光ビーム(240)を受光し、前記光ビーム(240)を変調し、ならびに第1のビーム波長(213)および第2のビーム波長(214)を有する前記変調された光ビーム(212)を生成する、請求項4に記載のシステム(200)。
- 前記変調装置(208)が、前記光ビーム(240)の振幅、周波数、および位相のうちの少なくとも1つを変調する、請求項5に記載のシステム(200)。
- 前記第1のビーム波長(213)および前記第2のビーム波長(214)が、交互に生成される、請求項5に記載のシステム(200)。
- 前記第1のビーム波長(213)および前記第2のビーム波長(214)のうちの一方が、前記成分(222)の吸収スペクトルの第1の吸収値の範囲内に第1の吸収値を有する、請求項5に記載のシステム(200)。
- 前記第1のビーム波長(213)および前記第2のビーム波長(214)のうちの他方が、前記成分(222)の前記吸収スペクトルの第2の吸収値の範囲内に第2の吸収値を有し、前記第2の吸収値の範囲が、前記第1の吸収値の範囲と異なる、請求項8に記載のシステム(200)。
- 前記第1のビーム波長(213)および前記第2のビーム波長(214)の双方が、前記液体(220)の吸収スペクトルの吸収値の範囲内に複数の吸収値を有する、請求項5に記載のシステム(200)。
- 前記圧力センサ(236)が、圧電効果ベースのセンサ、カンチレバーベースのセンサ、マイクロホン、ハイドロホン、静電容量ベースのセンサ、および膜ベースのセンサのうちの少なくとも1種類である、請求項1に記載のシステム(200)。
- 前記変調光源(202)が、光源(206)と、少なくとも1つの光学フィルタ(210)と、前記光源(206)から生成される光ビーム(240)の強度、前記光ビーム(240)の波長、および前記光源(206)のパラメータのうちの少なくとも1つを制御するための変調装置(208)とを備える、請求項1に記載のシステム(200)。
- 変調光源(202)から、液体(220)および該液体(220)中の成分(222)を含む、チャンバ(216)内の流体(218)に変調された光ビーム(212)を放射するステップと、
前記放射された変調された光ビーム(212)に応答する、前記チャンバ(216)内の前記成分(222)からの音響信号(224)を生成するステップと、
前記チャンバ(216)に配置された圧力センサ(236)を用いて前記音響信号(224)を検出するステップと、
前記圧力センサ(236)からプロセッサベースのモジュール(228)に前記音響信号(224)を伝送するステップと、
前記プロセッサベースのモジュール(228)を用いて前記音響信号(224)から前記流体(218)中の前記成分(222)および前記成分(222)の濃度の少なくとも一方を決定するステップと
を含む方法。 - 前記変調された光ビーム(212)が、第1のビーム波長(213)および第2のビーム波長(214)を有する、請求項13に記載の方法。
- 前記放射ステップが、前記第1のビーム波長(213)および前記第2のビーム波長(214)を交互に放射するために変調装置(208)を用いて光ビーム(240)を変調することを含む、請求項14に記載の方法。
- 少なくとも1つの光学フィルタ(210)を用いて前記変調された光ビーム(212)から前記第1のビーム波長(213)および前記第2のビーム波長(214)を生成するステップをさらに含む、請求項14に記載の方法。
- 前記生成ステップが、前記成分(222)の吸収スペクトルにおける第1の吸収値の範囲内の第1の吸収値と第2の吸収値の範囲内の第2の吸収値との差に起因して、前記成分(222)から前記音響信号(224)を生成することを含む、請求項14に記載の方法。
- 前記放射ステップが、変調装置(208)を用いて光ビーム(240)の振幅を変調することを含む、請求項13に記載の方法。
- 前記放射ステップが、レーザ源に印加される電力および前記レーザ源の周囲温度を変更することによってレーザビームを変調することを含む、請求項13に記載の方法。
- 前記決定ステップが、前記音響信号(224)の振幅を測定することを含む、請求項13に記載の方法。
- 前記決定ステップが、前記測定された振幅に基づいて前記成分(222)の前記濃度を測定することを含む、請求項20に記載の方法。
- 前記決定ステップが、同期復調技術を用いて前記音響信号(224)の前記振幅を測定することを含む、請求項20に記載の方法。
- 前記決定ステップが、前記変調された光ビーム(212)の波長範囲に基づいて前記成分(222)を識別することをさらに含む、請求項13に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN3838/CHE/2013 | 2013-08-29 | ||
IN3838CH2013 | 2013-08-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015057597A true JP2015057597A (ja) | 2015-03-26 |
JP6699983B2 JP6699983B2 (ja) | 2020-05-27 |
Family
ID=54151504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014167044A Active JP6699983B2 (ja) | 2013-08-29 | 2014-08-20 | 流体中の成分を検出するための方法およびシステム |
Country Status (7)
Country | Link |
---|---|
US (1) | US9739706B2 (ja) |
EP (1) | EP2843402A3 (ja) |
JP (1) | JP6699983B2 (ja) |
CN (1) | CN104422668B (ja) |
BR (1) | BR102014020098A2 (ja) |
CA (1) | CA2859407A1 (ja) |
ZA (1) | ZA201405979B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017181354A (ja) * | 2016-03-31 | 2017-10-05 | 学校法人東海大学 | 物質検出装置及び物質検出方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016179693A1 (en) | 2015-05-11 | 2016-11-17 | 9334-3275 Quebec Inc. | Photoacoustic detector |
CN106290590A (zh) * | 2015-05-13 | 2017-01-04 | 湖南大学 | 绝缘油中微量气体光声光谱与色谱联用仪及分析方法 |
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 |
CN108801927B (zh) * | 2018-06-12 | 2021-11-09 | 哈尔滨工业大学 | 一种利用光致超声法检测乙炔气体浓度的装置及方法 |
US11137382B2 (en) | 2018-06-15 | 2021-10-05 | Morgan Schaffer Ltd. | Apparatus and method for performing gas analysis using optical absorption spectroscopy, such as infrared (IR) and/or UV, and use thereof in apparatus and method for performing dissolved gas analysis (DGA) on a piece of electrical equipment |
CA3089773A1 (en) | 2019-10-08 | 2021-04-08 | Morgan Schaffer Ltd. | Dissolved gas analysis system calibration |
CN111289460B (zh) * | 2020-03-16 | 2023-04-25 | 潍坊歌尔微电子有限公司 | 气体浓度检测设备及其检测方法、控制装置和存储介质 |
EP3985457B1 (fr) * | 2020-10-16 | 2023-06-07 | The Swatch Group Research and Development Ltd | Ensemble de mesure du degre d'humidite relative a l'interieur d'un boitier de montre |
EP3985452A1 (fr) * | 2020-10-16 | 2022-04-20 | The Swatch Group Research and Development Ltd | Dispositif de mesure d'un degre d'humidite relative dans l'enceinte d'un boitier d'une montre |
EP4327073A1 (en) | 2021-04-20 | 2024-02-28 | Basf Se | A method of detecting one or more markers in a petroleum fuel using a photoacoustic detector |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06194343A (ja) * | 1992-09-30 | 1994-07-15 | Gec Marconi Ltd | ガス分析装置 |
JP2001194359A (ja) * | 2000-01-07 | 2001-07-19 | Mitsubishi Electric Corp | 有機物測定装置及び有機物測定方法 |
JP2009136328A (ja) * | 2007-12-03 | 2009-06-25 | Nippon Telegr & Teleph Corp <Ntt> | 成分濃度測定装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6121627A (en) | 1998-08-31 | 2000-09-19 | Tulip; John | Gas detector with reference cell |
JP2001041918A (ja) | 1999-08-03 | 2001-02-16 | Honda Motor Co Ltd | オイルの気体濃度検出装置 |
DE10308409A1 (de) * | 2003-02-27 | 2004-09-09 | Marcus Dr. Wolff | Verfahren zur Messung der Konzentration oder des Konzentrationsverhältnisses von Gaskomponenten mit potentiellen Anwendungen in der Atemtest-Analyse |
US20060192122A1 (en) * | 2005-02-28 | 2006-08-31 | On-Site Analysis, Inc. | Apparatus and method for measuring fuel dilution of lubricant |
WO2008103837A1 (en) | 2007-02-22 | 2008-08-28 | Zolo Technologies, Inc. | Method and apparatus for monitoring gases in fluid tanks |
US8102532B2 (en) | 2008-01-02 | 2012-01-24 | William Marsh Rice University | Resonant optothermoacoustic detection of optical absorption |
GB2471048B (en) | 2008-04-09 | 2012-05-30 | Halliburton Energy Serv Inc | Apparatus and method for analysis of a fluid sample |
US7808640B2 (en) * | 2008-07-30 | 2010-10-05 | Honeywell International Inc. | Photoacoustic spectroscopy system |
US7924423B2 (en) | 2008-08-11 | 2011-04-12 | Ut-Battelle, Llc | Reverse photoacoustic standoff spectroscopy |
EP2233922A1 (de) * | 2009-03-27 | 2010-09-29 | Industrie- und Umweltlaboratorium Vorpommern GmbH | Verfahren zur Online-Überwachung der in Isolierflüssigkeiten von Hochspannungsanlagen gelösten atmosphärischen Gase und Vorrichtung zur Durchführung des Verfahrens |
DE102009023230A1 (de) * | 2009-05-29 | 2010-12-02 | Pas-Analytik Gmbh | Verfahren zum Nachweisen mehrerer Substanzen eines Gasgemischs durch eine zeitlich aufeinanderfolgende Bestimmung der Einzelkonzentration der Substanzen |
US20110016962A1 (en) * | 2009-07-21 | 2011-01-27 | Baker Hughes Incorporated | Detector for Characterizing a Fluid |
CN101949821A (zh) * | 2010-08-12 | 2011-01-19 | 重庆大学 | 用于气体光声光谱监测的纵向共振光声池 |
NO343151B1 (no) | 2011-02-16 | 2018-11-19 | Techni As | System for måling av trykk og temperatur |
US8743365B2 (en) | 2011-05-19 | 2014-06-03 | Virginia Polytechnic Institute & State University | Apparatus and method for on-line, real-time analysis of chemical gases dissolved in transformer oil |
CN102539338B (zh) * | 2011-12-30 | 2014-07-09 | 昆山和智电气设备有限公司 | 运用光声光谱进行变压器油中气体含量在线监测的系统 |
DE102012008102B3 (de) * | 2012-04-25 | 2013-08-01 | Testo Ag | Messvorrichtung und Messverfahren |
GB2511327A (en) * | 2013-02-28 | 2014-09-03 | Scytronix Ltd | Photoacoustic Chemical Detector |
-
2014
- 2014-08-13 BR BR102014020098A patent/BR102014020098A2/pt not_active Application Discontinuation
- 2014-08-14 ZA ZA2014/05979A patent/ZA201405979B/en unknown
- 2014-08-14 CA CA2859407A patent/CA2859407A1/en not_active Abandoned
- 2014-08-20 JP JP2014167044A patent/JP6699983B2/ja active Active
- 2014-08-21 EP EP14181831.0A patent/EP2843402A3/en not_active Withdrawn
- 2014-08-25 US US14/467,136 patent/US9739706B2/en active Active
- 2014-08-29 CN CN201410437500.1A patent/CN104422668B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06194343A (ja) * | 1992-09-30 | 1994-07-15 | Gec Marconi Ltd | ガス分析装置 |
JP2001194359A (ja) * | 2000-01-07 | 2001-07-19 | Mitsubishi Electric Corp | 有機物測定装置及び有機物測定方法 |
JP2009136328A (ja) * | 2007-12-03 | 2009-06-25 | Nippon Telegr & Teleph Corp <Ntt> | 成分濃度測定装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017181354A (ja) * | 2016-03-31 | 2017-10-05 | 学校法人東海大学 | 物質検出装置及び物質検出方法 |
Also Published As
Publication number | Publication date |
---|---|
BR102014020098A2 (pt) | 2015-11-24 |
JP6699983B2 (ja) | 2020-05-27 |
CA2859407A1 (en) | 2015-02-28 |
US20150059434A1 (en) | 2015-03-05 |
CN104422668A (zh) | 2015-03-18 |
EP2843402A3 (en) | 2015-10-28 |
CN104422668B (zh) | 2019-05-10 |
ZA201405979B (en) | 2016-09-28 |
EP2843402A2 (en) | 2015-03-04 |
US9739706B2 (en) | 2017-08-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
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 | |
JP6450539B2 (ja) | 流体内の成分を検出する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 | |
US9234834B2 (en) | Sensor assembly and method for determining the hydrogen and moisture content of transformer oil | |
US8085403B2 (en) | Photoacoustic sensor | |
US20140026639A1 (en) | System and method for photoacoustic gas analysis | |
CN108181269B (zh) | 一种激光调制驱动装置及去除背景噪声的方法 | |
KR20120115527A (ko) | 오일로 절연된 전기 장비의 절연 상태를 평가하는 진단 방법 및 장치 | |
Li et al. | Multi-pass absorption enhanced photoacoustic spectrometer based on combined light sources for dissolved gas analysis in oil | |
CN102539338A (zh) | 运用光声光谱进行变压器油中气体含量在线监测的系统 | |
US9285308B2 (en) | Interference-compensating NDIR gas sensor for measuring acetylene | |
CN104165880A (zh) | 一种变压器油中溶解气体的在线检测方法 | |
JP5872127B1 (ja) | 油入電気機器の異常診断方法 | |
CN110763632A (zh) | 一种变压器油中溶解气体的浓度检测系统 | |
CN105388124B (zh) | 用于溶解气体分析的系统和方法 | |
JP6754446B2 (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 | |
JP2012058105A (ja) | 光学式分析計 | |
WO2016208048A1 (ja) | 気体分析装置 | |
CN116793589A (zh) | 一种变压器故障检测方法及装置 | |
RU2492460C1 (ru) | Способ акустической диагностики технического состояния энергетического оборудования и устройство для его осуществления | |
JPWO2018066361A1 (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 | |
Ma et al. | Investigation of trace gas sensor based on QEPAS method using different QTFs |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170807 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180731 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180725 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181029 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20190212 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20190513 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190603 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20190610 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190816 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20191115 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200110 |
|
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: 20200403 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200430 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6699983 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
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 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |