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
Application number
DE3854164T
Other languages
English (en)
Other versions
DE3854164T2 (de
Inventor
John Howarth
Leonard M Anderson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell Measurex Corp
Original Assignee
Measurex Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Measurex Corp filed Critical Measurex Corp
Application granted granted Critical
Publication of DE3854164D1 publication Critical patent/DE3854164D1/de
Publication of DE3854164T2 publication Critical patent/DE3854164T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE3854164T 1987-02-17 1988-02-16 Feuchtigkeitsfühler mit Temperaturkompensierung. Expired - Lifetime DE3854164T2 (de)

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)

* Cited by examiner, † Cited by third party
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
US5276327A (en) * 1991-12-09 1994-01-04 Measurex Corporation Sensor and method for mesaurement of select components of a material
WO1993012417A1 (en) * 1991-12-09 1993-06-24 Measurex Corporation Sensor and method for measurement 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
US7859668B2 (en) 2005-12-15 2010-12-28 Honeywell International Inc. Apparatus and method for illuminator-independent color measurements
US7494567B2 (en) * 2005-12-15 2009-02-24 Honeywell Asca Inc. Combined paper sheet temperature and moisture sensor
US8017927B2 (en) * 2005-12-16 2011-09-13 Honeywell International Inc. Apparatus, system, and method for print quality measurements using multiple adjustable sensors
US7573575B2 (en) 2005-12-29 2009-08-11 Honeywell International Inc. System and method for color measurements or other spectral measurements of a material
US7688447B2 (en) 2005-12-29 2010-03-30 Honeywell International Inc. Color sensor
US8049892B2 (en) * 2008-01-22 2011-11-01 Honeywell International Inc. Apparatus and method for camera-based color measurements
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
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0279743A3 (en) 1990-05-23
EP0279743B1 (de) 1995-07-19
JPS63298030A (ja) 1988-12-05
FI95841B (fi) 1995-12-15
KR880010326A (ko) 1988-10-08
FI880728A (fi) 1988-08-18
EP0279743A2 (de) 1988-08-24
CA1289219C (en) 1991-09-17
DE3854164T2 (de) 1996-03-07
FI880728A0 (fi) 1988-02-16
JP2595283B2 (ja) 1997-04-02
US4928013A (en) 1990-05-22
FI95841C (fi) 1996-03-25

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