DE3854164D1 - Feuchtigkeitsfühler mit Temperaturkompensierung. - Google Patents
Feuchtigkeitsfühler mit Temperaturkompensierung.Info
- Publication number
- DE3854164D1 DE3854164D1 DE3854164T DE3854164T DE3854164D1 DE 3854164 D1 DE3854164 D1 DE 3854164D1 DE 3854164 T DE3854164 T DE 3854164T DE 3854164 T DE3854164 T DE 3854164T DE 3854164 D1 DE3854164 D1 DE 3854164D1
- Authority
- DE
- Germany
- Prior art keywords
- humidity sensor
- temperature compensation
- compensation
- temperature
- humidity
- 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.)
- Expired - Lifetime
Links
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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/003—Indicating or regulating the moisture content of the layer
-
- 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
- G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
- G01N21/3559—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content in sheets, e.g. in paper
-
- 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
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
- G01N2021/3148—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using three or more wavelengths
-
- 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
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
- G01N2021/3166—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using separate detectors and filters
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/014,870 US4928013A (en) | 1987-02-17 | 1987-02-17 | Temperature insensitive moisture sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3854164D1 true DE3854164D1 (de) | 1995-08-24 |
DE3854164T2 DE3854164T2 (de) | 1996-03-07 |
Family
ID=21768252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3854164T Expired - Lifetime DE3854164T2 (de) | 1987-02-17 | 1988-02-16 | Feuchtigkeitsfühler mit Temperaturkompensierung. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4928013A (de) |
EP (1) | EP0279743B1 (de) |
JP (1) | JP2595283B2 (de) |
KR (1) | KR880010326A (de) |
CA (1) | CA1289219C (de) |
DE (1) | DE3854164T2 (de) |
FI (1) | FI95841C (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4823008A (en) * | 1987-11-05 | 1989-04-18 | Process Automation Business, Inc. | Apparatus and methods employing infrared absorption means to measure the moisture content of heavy grades of paper |
US5124552A (en) * | 1991-01-28 | 1992-06-23 | Measurex Corporation | Sensor and method for measuring web moisture with optimal temperature insensitivity over a wide basis weight range |
JP2967888B2 (ja) * | 1991-09-03 | 1999-10-25 | 井関農機株式会社 | 近赤外分光分析による温度推定法 |
US5338361A (en) * | 1991-11-04 | 1994-08-16 | Measurex Corporation | Multiple coat measurement and control apparatus and method |
JP3383666B2 (ja) * | 1991-12-09 | 2003-03-04 | ハネウェル メジャレックス コーポレーション | 素材の特定成分測定センサおよびその測定方法 |
US5276327A (en) * | 1991-12-09 | 1994-01-04 | Measurex Corporation | Sensor and method for mesaurement of select components of a material |
US5270546A (en) * | 1992-04-29 | 1993-12-14 | Mpb Technologies Inc. | Method and apparatus for non-contact, rapid and continuous moisture measurements |
DE4314046C2 (de) * | 1993-04-29 | 1995-02-23 | Claus G Dipl Ing Wandres | Verfahren und Vorrichtung zum Entfernen von an Oberflächen anhaftenden Partikeln durch ein Wischelement |
AUPM533094A0 (en) * | 1994-04-27 | 1994-05-19 | Commonwealth Scientific And Industrial Research Organisation | Methods and apparatus for determining a first parameter(s) of an object |
US6104987A (en) * | 1997-10-03 | 2000-08-15 | The Nash Engineering Company | System for monitoring dryer drum temperatures |
GB2395784B (en) * | 1999-06-23 | 2004-07-28 | Patrick Toomey | Water detection and source identification methods for structures using electromagnetic radiation spectroscopy |
GB2367616B (en) * | 1999-06-23 | 2004-06-16 | Patrick Toomey | Water detection and source identification methods for structures using electromagnetic radiation spectroscopy |
US6452679B1 (en) | 1999-12-29 | 2002-09-17 | Kimberly-Clark Worldwide, Inc. | Method and apparatus for controlling the manufacturing quality of a moving web |
DE10108517A1 (de) * | 2001-02-22 | 2002-08-29 | Voith Paper Patent Gmbh | Feuchtequerprofil |
DE10305598A1 (de) * | 2003-02-11 | 2004-08-19 | Voith Paper Patent Gmbh | Messverfahren und Messeinrichtung zur Bestimmung des Feuchtigkeitsgehaltes einer Materialbahn |
US7265351B2 (en) * | 2003-12-02 | 2007-09-04 | Mpb Communications Inc. | Method and apparatus for non-contact and rapid determination of liquid content |
US7088456B2 (en) * | 2004-04-24 | 2006-08-08 | Honeywell International Inc. | Thin film thickness measurement using multichannel infrared sensor |
US7291856B2 (en) * | 2005-04-28 | 2007-11-06 | Honeywell International Inc. | Sensor and methods for measuring select components in moving sheet products |
US7494567B2 (en) | 2005-12-15 | 2009-02-24 | Honeywell Asca Inc. | Combined paper sheet temperature and moisture sensor |
US7859668B2 (en) | 2005-12-15 | 2010-12-28 | Honeywell International Inc. | Apparatus and method for illuminator-independent color measurements |
US8017927B2 (en) * | 2005-12-16 | 2011-09-13 | Honeywell International Inc. | Apparatus, system, and method for print quality measurements using multiple adjustable sensors |
US7688447B2 (en) | 2005-12-29 | 2010-03-30 | Honeywell International Inc. | Color sensor |
US7573575B2 (en) | 2005-12-29 | 2009-08-11 | Honeywell International Inc. | System and method for color measurements or other spectral measurements of a material |
US7592608B2 (en) * | 2008-01-22 | 2009-09-22 | Honeywell International Inc. | Apparatus and method for measuring and/or controlling ultraviolet-activated materials in a paper-making process |
US8049892B2 (en) * | 2008-01-22 | 2011-11-01 | Honeywell International Inc. | Apparatus and method for camera-based color measurements |
US8401809B2 (en) | 2010-07-12 | 2013-03-19 | Honeywell International Inc. | System and method for adjusting an on-line appearance sensor system |
US9481777B2 (en) | 2012-03-30 | 2016-11-01 | The Procter & Gamble Company | Method of dewatering in a continuous high internal phase emulsion foam forming process |
US9201018B2 (en) | 2013-12-23 | 2015-12-01 | Honeywell Asca Inc. | Optimized spatial resolution for a spectroscopic sensor |
US9891164B2 (en) * | 2015-08-27 | 2018-02-13 | Honeywell Limited | Holmium oxide glasses as calibration standards for near infrared moisture sensors |
US10422742B2 (en) * | 2017-10-18 | 2019-09-24 | The Boeing Company | Moisture detection system |
US10656081B2 (en) | 2017-10-18 | 2020-05-19 | The Boeing Company | Synchronized phased array and infrared detector system for moisture detection |
CN114960262A (zh) * | 2022-07-27 | 2022-08-30 | 启东亦大通自动化设备有限公司 | 基于光学检测的风干机智能调节方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1498895B1 (de) * | 1964-02-03 | 1970-01-22 | Mahlo Heinz Dr Ing | Anordnung zur Regelung der Feuchtigkeit von laufendem Gut,insbesondere einer Textilbahn |
US3405268A (en) * | 1965-03-12 | 1968-10-08 | Brun Sensor Systems Inc | Radiant energy absorption gage for measuring the weight of a base material and the content of a material sorbed by the base material |
US3641349A (en) * | 1969-09-29 | 1972-02-08 | Measurex Corp | Method for measuring the amount of substance associated with a base material |
US3662170A (en) * | 1970-05-21 | 1972-05-09 | Beloit Corp | Method and apparatus for measuring the thickness moisture profile of fibrous webs |
IT982680B (it) * | 1972-04-10 | 1974-10-21 | Infra Systems Inc | Sistema di misura mediante radia zione infrarossa |
US3793524A (en) * | 1972-09-05 | 1974-02-19 | Measurex Corp | Apparatus for measuring a characteristic of sheet materials |
US3851175A (en) * | 1972-10-27 | 1974-11-26 | Measurex Corp | Moisture gauge with opacity type compensation |
US3879607A (en) * | 1973-03-28 | 1975-04-22 | Measurex Corp | Method of measuring the amount of substance associated with a base material |
GB1601578A (en) * | 1977-10-25 | 1981-10-28 | Reed International Ltd | Moisture profile control |
DE2910673C2 (de) * | 1979-03-19 | 1985-08-08 | Paul Lippke Gmbh & Co Kg, 5450 Neuwied | Verfahren zum berührungslosen Messen des absoluten Gehaltes eines Stoffes(Beisubstanz) in einer die Form eines dünnen Filmes aufweisenden Mischung(Hauptsubstanz und Beisubstanz) mehrerer Stoffe, insbesondere zum Messen des absoluten Gehaltes von Wasser in Papier |
JPS60620B2 (ja) * | 1979-05-21 | 1985-01-09 | 横河電機株式会社 | 紙の水分量を測定する方法および装置 |
PH25720A (en) * | 1982-09-30 | 1991-09-18 | Beloit Corp | Method, apparatus for controlling the moisture profile of a paper web in paper-making machine |
DE3336659C2 (de) * | 1982-10-12 | 1993-10-07 | Sentrol Systems Ltd | Meßgerät zum Bestimmen des Profils des Feuchtigkeitsgehalts einer Materialbahn quer zu ihrer Laufrichtung |
SU1182353A1 (ru) * | 1983-12-16 | 1985-09-30 | Центральный научно-исследовательский институт хлопчатобумажной промышленности | Способ определени влажности листового материала |
JPS60135752A (ja) * | 1983-12-23 | 1985-07-19 | Yokogawa Hokushin Electric Corp | マイクロ波水分計 |
US4577104A (en) * | 1984-01-20 | 1986-03-18 | Accuray Corporation | Measuring the percentage or fractional moisture content of paper having a variable infrared radiation scattering characteristic and containing a variable amount of a broadband infrared radiation absorber |
US4769544A (en) * | 1984-06-01 | 1988-09-06 | Measurex Corporation | System and process for measuring fiberglass |
JPS6153549A (ja) * | 1984-08-23 | 1986-03-17 | Chino Works Ltd | 光学的測定装置 |
US4766315A (en) * | 1986-07-14 | 1988-08-23 | Accuray Corporation | Apparatus and process for measuring physical parameters of sheet material |
-
1987
- 1987-02-17 US US07/014,870 patent/US4928013A/en not_active Expired - Lifetime
-
1988
- 1988-02-12 CA CA000558826A patent/CA1289219C/en not_active Expired - Lifetime
- 1988-02-16 FI FI880728A patent/FI95841C/fi active IP Right Grant
- 1988-02-16 DE DE3854164T patent/DE3854164T2/de not_active Expired - Lifetime
- 1988-02-16 EP EP88400345A patent/EP0279743B1/de not_active Expired - Lifetime
- 1988-02-17 KR KR1019880001769A patent/KR880010326A/ko not_active Application Discontinuation
- 1988-02-17 JP JP63034940A patent/JP2595283B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2595283B2 (ja) | 1997-04-02 |
FI880728A0 (fi) | 1988-02-16 |
US4928013A (en) | 1990-05-22 |
EP0279743A2 (de) | 1988-08-24 |
JPS63298030A (ja) | 1988-12-05 |
KR880010326A (ko) | 1988-10-08 |
CA1289219C (en) | 1991-09-17 |
FI95841C (fi) | 1996-03-25 |
EP0279743A3 (en) | 1990-05-23 |
DE3854164T2 (de) | 1996-03-07 |
EP0279743B1 (de) | 1995-07-19 |
FI95841B (fi) | 1995-12-15 |
FI880728A (fi) | 1988-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |