JP5097782B2 - 油圧作動油内の化学汚染を監視するオンラインセンサ - Google Patents
油圧作動油内の化学汚染を監視するオンラインセンサ Download PDFInfo
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- JP5097782B2 JP5097782B2 JP2009541751A JP2009541751A JP5097782B2 JP 5097782 B2 JP5097782 B2 JP 5097782B2 JP 2009541751 A JP2009541751 A JP 2009541751A JP 2009541751 A JP2009541751 A JP 2009541751A JP 5097782 B2 JP5097782 B2 JP 5097782B2
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- Prior art keywords
- line sensor
- hydraulic fluid
- detector
- sensor
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- Expired - Fee Related
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- 239000012530 fluid Substances 0.000 title claims abstract description 54
- 238000011109 contamination Methods 0.000 title claims abstract description 8
- 238000012544 monitoring process Methods 0.000 title claims abstract description 8
- 239000000126 substance Substances 0.000 title claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 238000004566 IR spectroscopy Methods 0.000 claims abstract description 3
- 238000005259 measurement Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000011156 evaluation Methods 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000006386 neutralization reaction Methods 0.000 claims description 6
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 229910052594 sapphire Inorganic materials 0.000 claims description 3
- 239000010980 sapphire Substances 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 abstract description 5
- 239000010452 phosphate Substances 0.000 abstract description 5
- -1 phosphate ester Chemical class 0.000 abstract description 4
- 238000011158 quantitative evaluation Methods 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000009283 thermal hydrolysis Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
-
- 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
- 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
- G01N33/2876—Total acid number
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
エステル + H2O → アルコール + −COOH
H2O → アルコール + H3PO4
2 IRエミッタ
3 観測窓
4 サンプル容器
5 IR検出器
6 光学フィルタ
7 電極
8 温度センサ
9 基準フィルタ
10 3500cm−1フィルタ
11 3600cm−1フィルタ
12 3400cm−1フィルタ
13 健全な領域
14 酸領域
15 水吸収を伴う領域
Claims (8)
- リン酸エステルを主成分とする油圧作動油内の化学汚染を監視するためのオンラインセンサ(1)であって、監視される前記油圧作動油のための収容ユニット(4)を備え、前記収納ユニット(4)は、その収容ユニット(4)の2つの対向する側面に配置される観測窓(3)を有し、
前記オンラインセンサ(1)は、航空機の油圧系に配置され、
前記オンラインセンサ(1)は、IRエミッタ(2)と、IR分光法のための少なくとも4つの検出器領域を有するIR検出器(5)とを有し、
前記IRエミッタ(2)及び前記IR検出器(5)のそれぞれは2つの前記観測窓(3)とそれぞれ対向して配置され、
異なる波数のIR透過帯域として少なくとも4つの領域(9,10,11,12)を有する光学フィルタ(6)が、1つの前記観測窓(3)と前記IR検出器(5)との間に設けられ、前記IR透過帯域のうちの1つの前記領域は基準領域として与えられ、残りの3つの前記領域は3300cm−1〜3600cm−1の範囲内でそれぞれ異なる波数を有し、
前記4つの領域(9、10、11、12)における第1のIR透過帯域が3400cm −1 の波数を有し、前記4つの領域(9、10、11、12)における第2のIR透過帯域が3500cm −1 の波数を有し、前記4つの領域(9、10、11、12)における第3のIR透過帯域が3600cm −1 の波数を有し、前記4つの領域(9、10、11、12)における第4のIR透過帯域が前記基準領域として設けられる、
ことを特徴とする、オンラインセンサ。 - 前記観測窓(3)はサファイアガラスから成ることを特徴とするオンラインセンサ。
- 請求項1に記載のオンラインセンサ(1)であって、
前記IR検出器(5)の電気測定信号のオンライン評価のための装置が設けられることを特徴とするオンラインセンサ。 - 請求項3に記載のオンラインセンサ(1)であって、
少なくとも2つの所定の波数におけるIR透過率と、前記油圧作動油における水含有量及び/又はアルコール含有量との間の相関が前記オンライン評価のための装置に記憶されることを特徴とするオンラインセンサ。 - 請求項3に記載のオンラインセンサ(1)であって、
少なくとも2つの所定の波数におけるIR透過率と中和価(TAN;全酸化)との間の相関が前記オンライン評価のための装置に記憶されることを特徴とするオンラインセンサ。 - 請求項1に記載のオンラインセンサ(1)であって、
可視範囲内の、好ましくは400nmの光の通過を測定するための測定装置が設けられることを特徴とするオンラインセンサ。 - 請求項1に記載のオンラインセンサ(1)であって、
前記油圧作動油の温度を測定するための装置(8)が設けられることを特徴とするオンラインセンサ。 - 請求項1に記載のオンラインセンサ(1)であって、
前記油圧作動油の導電性を測定するための装置(7)が設けられることを特徴とするオンラインセンサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006060138.6 | 2006-12-18 | ||
DE102006060138A DE102006060138B4 (de) | 2006-12-18 | 2006-12-18 | Online-Sensor zum Überwachen chemischer Verunreinigungen in hydraulischen Flüssigkeiten |
PCT/DE2007/002258 WO2008074303A2 (de) | 2006-12-18 | 2007-12-15 | Online-sensor zum überwachen chemischer verunreinigungen in hydraulischen flüssigkeiten |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010513878A JP2010513878A (ja) | 2010-04-30 |
JP2010513878A5 JP2010513878A5 (ja) | 2011-08-18 |
JP5097782B2 true JP5097782B2 (ja) | 2012-12-12 |
Family
ID=39315039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009541751A Expired - Fee Related JP5097782B2 (ja) | 2006-12-18 | 2007-12-15 | 油圧作動油内の化学汚染を監視するオンラインセンサ |
Country Status (10)
Country | Link |
---|---|
US (2) | US20100026988A1 (ja) |
EP (1) | EP2102632B1 (ja) |
JP (1) | JP5097782B2 (ja) |
CN (1) | CN101617212B (ja) |
AT (1) | ATE533040T1 (ja) |
BR (1) | BRPI0720403A2 (ja) |
CA (1) | CA2673406C (ja) |
DE (1) | DE102006060138B4 (ja) |
RU (1) | RU2476859C2 (ja) |
WO (1) | WO2008074303A2 (ja) |
Families Citing this family (16)
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DE102008044299A1 (de) * | 2008-12-03 | 2010-06-10 | Robert Bosch Gmbh | Vorrichtung zur Überwachung eines Betriebsfluids für Kraftfahrzeuge und Verfahren zum Betrieb derselben |
CN101793892A (zh) * | 2010-03-08 | 2010-08-04 | 中国航空工业集团公司西安飞机设计研究所 | 一种液压系统油液污染在线检测方法 |
DE102010015083B4 (de) | 2010-04-15 | 2012-04-12 | Eads Deutschland Gmbh | Sensor und Verfahren zur Online-Überwachung der Säurezahl eines Hydraulikfluids in einem Hydrauliksystem in einem Luftfahrzeug |
CN101949836B (zh) * | 2010-08-25 | 2011-11-30 | 华中科技大学 | 一种热辐射红外发射和探测集成器件 |
DE102010049909A1 (de) | 2010-10-28 | 2012-05-03 | Eads Deutschland Gmbh | Instandhaltungsinformationsvorrichtung, Zustandssensor zur Verwendung darin sowie damit durchführbares Verfahren zur Entscheidungsfindung für oder gegen eine Instandhaltung |
DE102012100794B3 (de) * | 2012-01-31 | 2013-02-28 | Airbus Operations Gmbh | Vorrichtung und Verfahren zum Erfassen von Kontaminationen in einem Hydrauliksystem |
WO2013134075A1 (en) | 2012-03-08 | 2013-09-12 | Applied Materials, Inc. | Detecting membrane breakage in a carrier head |
US9395295B2 (en) * | 2014-09-12 | 2016-07-19 | The Boeing Company | Detection of chemical changes of system fluid via near infrared (NIR) spectroscopy |
WO2016149207A1 (en) * | 2015-03-13 | 2016-09-22 | The North Face Apparel Corp. | Energy harvesters, energy storage, and related systems and methods |
CN105606569B (zh) * | 2016-01-08 | 2018-05-18 | 哈尔滨工业大学 | 外电场作用下液体贴壁附面层透射率的测量方法 |
US10690590B2 (en) * | 2016-04-05 | 2020-06-23 | Viavi Solutions Inc. | Light pipe for spectroscopy |
US11039226B2 (en) | 2016-09-29 | 2021-06-15 | Cywat Technologies Ltd. | System and method for constant online water quality and safety monitoring of a fluid system |
EP3587202B1 (en) * | 2018-06-29 | 2023-04-05 | Volvo Car Corporation | System and method for determinig water content in brake fluid |
US20210366247A1 (en) * | 2018-07-27 | 2021-11-25 | C.H.& I. Technologies, Inc. | Remote container alert system |
DE102021201017A1 (de) | 2021-02-04 | 2022-08-04 | Robert Bosch Gesellschaft mit beschränkter Haftung | Messsystem zur Bestimmung des Zustands eines Hydraulikfluids |
US11349431B1 (en) | 2021-05-05 | 2022-05-31 | Robert J. Cerullo | Lift assist solar panel apparatus |
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2006
- 2006-12-18 DE DE102006060138A patent/DE102006060138B4/de not_active Expired - Fee Related
-
2007
- 2007-12-15 CN CN2007800467549A patent/CN101617212B/zh not_active Expired - Fee Related
- 2007-12-15 BR BRPI0720403-5A patent/BRPI0720403A2/pt not_active IP Right Cessation
- 2007-12-15 CA CA2673406A patent/CA2673406C/en not_active Expired - Fee Related
- 2007-12-15 JP JP2009541751A patent/JP5097782B2/ja not_active Expired - Fee Related
- 2007-12-15 WO PCT/DE2007/002258 patent/WO2008074303A2/de active Application Filing
- 2007-12-15 US US12/518,775 patent/US20100026988A1/en not_active Abandoned
- 2007-12-15 AT AT07856108T patent/ATE533040T1/de active
- 2007-12-15 RU RU2009122074/28A patent/RU2476859C2/ru not_active IP Right Cessation
- 2007-12-15 EP EP07856108A patent/EP2102632B1/de active Active
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2012
- 2012-03-07 US US13/413,743 patent/US20120170025A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN101617212B (zh) | 2013-01-16 |
US20120170025A1 (en) | 2012-07-05 |
US20100026988A1 (en) | 2010-02-04 |
BRPI0720403A2 (pt) | 2014-01-21 |
EP2102632A2 (de) | 2009-09-23 |
JP2010513878A (ja) | 2010-04-30 |
DE102006060138A1 (de) | 2008-06-26 |
CN101617212A (zh) | 2009-12-30 |
RU2009122074A (ru) | 2011-01-27 |
ATE533040T1 (de) | 2011-11-15 |
CA2673406A1 (en) | 2008-06-26 |
DE102006060138B4 (de) | 2009-01-22 |
WO2008074303A2 (de) | 2008-06-26 |
WO2008074303A3 (de) | 2008-09-25 |
RU2476859C2 (ru) | 2013-02-27 |
CA2673406C (en) | 2012-07-03 |
EP2102632B1 (de) | 2011-11-09 |
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