FI58403B - Regleranordning i fuktighetsgivare - Google Patents

Regleranordning i fuktighetsgivare Download PDF

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Publication number
FI58403B
FI58403B FI791061A FI791061A FI58403B FI 58403 B FI58403 B FI 58403B FI 791061 A FI791061 A FI 791061A FI 791061 A FI791061 A FI 791061A FI 58403 B FI58403 B FI 58403B
Authority
FI
Finland
Prior art keywords
sensor
temperature
resistor
control device
humidity
Prior art date
Application number
FI791061A
Other languages
English (en)
Finnish (fi)
Other versions
FI58403C (fi
Inventor
Eero Salasmaa
Veijo Antikainen
Jouko Jalava
Original Assignee
Vaisala Oy
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 Vaisala Oy filed Critical Vaisala Oy
Priority to FI791061A priority Critical patent/FI58403C/fi
Priority to DE19803011525 priority patent/DE3011525C2/de
Priority to CA000348669A priority patent/CA1176345A/en
Priority to GB8010526A priority patent/GB2047431B/en
Priority to FR8007114A priority patent/FR2452709A1/fr
Priority to JP4111780A priority patent/JPS5629151A/ja
Application granted granted Critical
Publication of FI58403B publication Critical patent/FI58403B/fi
Publication of FI58403C publication Critical patent/FI58403C/fi

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G01K7/24—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
    • 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
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • G01N27/225—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity by using hygroscopic materials

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Nonlinear Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Claims (6)

1. Regleranordning vid fuktighetsgivare (10) vars funktion grundar sig pa im-pedansförändring i givaren (10), i synnerhet vid en sadan kapacitiv fuktighetsgivare vars isolationsmaterial är en polymer vars dielektricitetskonstant ändras som funktion av fuktigheten och under kontroll av vilken regleranordning givaren (10) uppvärms med eleffekt indirekt eller direkt tili en temperatur (T ) som är högre än givarens (10) yttre temperatur (T ) för att förbättra S 3 givarens (10) mätnoggrannhet och/eller förlänga dess livslängd och vilken regleranordning omfattar en bryggkoppling (R^.R^.R^iRgrj,) eller motsvarande innefattande temperaturberoende motstandselement mec* ^jälp av vilka nämnda yttre temperatur (T ) och givarens temperatur (T ) observeras och vilken
3 S bryggkopplings skillnadsspänning (AU) används som aterkopplingssignal med vilken den eleffekt som uppvärmer givaren (10) regleras, kännetecknad av den kombinationen, att som uppvärmningsmotstand för givaren används ett sadant motstandelement (R ) med positiv temperaturkoefficient (PCT), t.ex. ett ϋ X platinamotstand, som pi i och för sig känt sätt samtidigt fungerar som sensor för givarens temperatur (T ) och att som sensor för den yttre temperaturen (T ) s s används ett i förhallande tili det sistnämnda motständselementets (Rg^) placering mitt emot pa bryggkopplingens andra gren placerat sadant motstand-termistor-arrangemang (R ), att en viss, för var och en givartyp karakteristisk funk- A1 tion T = f(T ) förverkligas med hjälp av regleranordningen. S 3
2. Regleranordning enligt patentkravet 1, kännetecknad därav, att näinnda motständ-termistor-arrangemang (R ) är dimensionerat att förverkliga AI en viss funktion T = f (T ), genom tillämpning av vilken givarens temperatur- S J. 3
FI791061A 1979-03-29 1979-03-29 Regleranordning i fuktighetsgivare FI58403C (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI791061A FI58403C (fi) 1979-03-29 1979-03-29 Regleranordning i fuktighetsgivare
DE19803011525 DE3011525C2 (de) 1979-03-29 1980-03-25 Regelvorrichtung für einen Feuchtegeber
CA000348669A CA1176345A (en) 1979-03-29 1980-03-28 Temperature control means for a humidity detector
GB8010526A GB2047431B (en) 1979-03-29 1980-03-28 Temperature control means in a humidity pick-up
FR8007114A FR2452709A1 (fr) 1979-03-29 1980-03-28 Moyens de commande d'un detecteur d'humidite
JP4111780A JPS5629151A (en) 1979-03-29 1980-03-29 Controller for humidity pickup

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI791061 1979-03-29
FI791061A FI58403C (fi) 1979-03-29 1979-03-29 Regleranordning i fuktighetsgivare

Publications (2)

Publication Number Publication Date
FI58403B true FI58403B (fi) 1980-09-30
FI58403C FI58403C (fi) 1981-01-12

Family

ID=8512537

Family Applications (1)

Application Number Title Priority Date Filing Date
FI791061A FI58403C (fi) 1979-03-29 1979-03-29 Regleranordning i fuktighetsgivare

Country Status (6)

Country Link
JP (1) JPS5629151A (sv)
CA (1) CA1176345A (sv)
DE (1) DE3011525C2 (sv)
FI (1) FI58403C (sv)
FR (1) FR2452709A1 (sv)
GB (1) GB2047431B (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511417A (en) * 1993-09-29 1996-04-30 Vaisala Oy Method and arrangement in measurement of humidity, in particular in radiosondes

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JPS5870153A (ja) * 1981-10-23 1983-04-26 Fuji Xerox Co Ltd 温・湿度検出装置
JPS5870152A (ja) * 1981-10-23 1983-04-26 Fuji Xerox Co Ltd 温・湿度検出装置
DE3525115A1 (de) * 1984-08-25 1987-01-22 Hoelter Heinz Schadstoffsensor fuer kraftfahrzeuge, arbeitsschutzkabinen und andere belastete raeume mit analoger kompensation der einfluesse von temperatur und luftfeuchte an halbleiter-gas-sensoren
DE3500412C1 (de) * 1985-01-11 1986-08-28 Beutler Maschinenbau- und Vertriebsgesellschaft Inhaber Wolfgang Beutler, 1000 Berlin Vorrichtung zur Anzeige eines unerwünschten Gases
DE3704534C1 (de) * 1987-02-13 1988-10-27 Bert Dr-Ing Kueppers Schaltungsanordnung fuer temperaturabhaengige Heizelemente
DE3708697A1 (de) * 1987-03-18 1988-09-29 Draegerwerk Ag Verfahren und anordnung zur messung des taupunktes
US4793181A (en) * 1987-06-02 1988-12-27 Djorup Robert Sonny Constant temperature sorption hygrometer
US4793182A (en) * 1987-06-02 1988-12-27 Djorup Robert Sonny Constant temperature hygrometer
DE3900184A1 (de) * 1989-01-05 1989-08-03 Jun Martha Resch Niederschlagsabhaengige steuerung fuer abdecksysteme
DE3919864A1 (de) * 1989-06-19 1990-12-20 Testoterm Mestechnik Gmbh & Co Kapazitiver feuchtesensor
DE3924518A1 (de) * 1989-07-25 1991-01-31 Haefele Umweltverfahrenstechik Temperatursensor und verfahren zu seiner herstellung
DE4130513C2 (de) * 1991-09-13 1996-10-24 Pierburg Ag Temperaturregler
FI99164C (sv) * 1994-04-15 1997-10-10 Vaisala Oy Förfarande för mätning av daggpunkt eller gashalt samt anordning för anticipering av frysning
DE4414736A1 (de) * 1994-04-27 1995-11-09 Roth Technik Gmbh Steuervorrichtung
US5792938A (en) * 1996-12-13 1998-08-11 Panametrics, Inc. Humidity sensor with differential thermal detection and method of sensing
DE19729697C1 (de) * 1997-07-11 1999-02-11 Mannesmann Vdo Ag Anordnung zum Bestimmen der relativen Luftfeuchte
GB2345597B (en) * 1999-01-11 2003-07-02 Otter Controls Ltd Improvements relating to thermal controls
DE10033620A1 (de) * 2000-07-11 2002-01-31 Testo Gmbh & Co Kg Vorrichtung und Verfahren zur Ermittlung der Feuchte in Gasen
DE10335553A1 (de) 2003-08-02 2005-02-17 E + E Elektronik Ges.M.B.H. Verfahren und Anordnung zur Feuchtemessung
WO2014128348A1 (en) * 2013-02-22 2014-08-28 Vaisala Oyj A radiosonde and a method for atmospheric measurements performed at an elevated temperature
CN107065956B (zh) * 2017-04-13 2019-06-18 深圳市科兰德实业发展有限公司 一种控制大桥拉索的除湿设备的方法和系统
DE102017210064A1 (de) 2017-06-14 2018-12-20 E + E Elektronik Ges.M.B.H. Verfahren zum Betrieb einer Sensoranordnung und hierzu geeignete Sensoranordnung
CN108535338B (zh) * 2018-01-25 2020-12-22 中国科学院东北地理与农业生态研究所 粗空间分辨率卫星遥感土壤水分真实性检验方法

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Publication number Priority date Publication date Assignee Title
DE2108287C3 (de) * 1971-02-20 1975-05-15 Varian Mat Gmbh, 2800 Bremen Vorrichtung zur Thermostatierung eines Bauelements, insbesondere einer Feldsonde zur Messung der Magnetfeldstärke in SektorfeM-Massenspektrometern
US3743930A (en) * 1971-08-13 1973-07-03 Burrows Equipment Co Moisture tester having temperature controlled variable time delay circuit
JPS4888997A (sv) * 1972-02-23 1973-11-21
DE2247394A1 (de) * 1972-09-27 1974-04-18 Siemens Ag Thermostat mit einem zur feststellung der thermostatentemperatur vorgesehenen temperaturfuehler
DE2260959C3 (de) * 1972-12-13 1978-03-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Kontinuierlich regelnder Thermostat
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US3868846A (en) * 1973-07-02 1975-03-04 Ford Motor Co Circuit for converting a temperature dependent input signal to a temperature independent output signal
US4080564A (en) * 1975-10-02 1978-03-21 Matsushita Electric Industrial Co., Ltd. Humidity sensitive resistor device
FI58402C (fi) * 1977-12-02 1981-01-12 Vaisala Oy Foerfarande foer nedsaettning av icke oenskvaerda egenskaper hos en elektrisk fuktighetsgivare

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511417A (en) * 1993-09-29 1996-04-30 Vaisala Oy Method and arrangement in measurement of humidity, in particular in radiosondes

Also Published As

Publication number Publication date
DE3011525A1 (de) 1980-12-18
FI58403C (fi) 1981-01-12
GB2047431B (en) 1983-08-03
JPS5629151A (en) 1981-03-23
FR2452709A1 (fr) 1980-10-24
GB2047431A (en) 1980-11-26
CA1176345A (en) 1984-10-16
DE3011525C2 (de) 1985-03-28

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Owner name: VAISALA OY