SE542640C2 - Gas sensor with thermopile - Google Patents

Gas sensor with thermopile

Info

Publication number
SE542640C2
SE542640C2 SE1850181A SE1850181A SE542640C2 SE 542640 C2 SE542640 C2 SE 542640C2 SE 1850181 A SE1850181 A SE 1850181A SE 1850181 A SE1850181 A SE 1850181A SE 542640 C2 SE542640 C2 SE 542640C2
Authority
SE
Sweden
Prior art keywords
thermopile
sensing element
gas sensor
gas
radiation
Prior art date
Application number
SE1850181A
Other languages
English (en)
Other versions
SE1850181A1 (sv
Inventor
Anders Jansson
Niklas Kvist
Pavel Zyrianov
Original Assignee
Jondetech Sensors Ab Publ
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 Jondetech Sensors Ab Publ filed Critical Jondetech Sensors Ab Publ
Priority to SE1850181A priority Critical patent/SE542640C2/sv
Priority to PCT/EP2019/054052 priority patent/WO2019158768A1/en
Publication of SE1850181A1 publication Critical patent/SE1850181A1/sv
Publication of SE542640C2 publication Critical patent/SE542640C2/sv

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
    • 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
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
    • G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
    • H10N10/17—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the structure or configuration of the cell or thermocouple forming the device

Claims (7)

PATE NTKRAV
1. En gassensor innefattande en optisk källa (1), en sensor (7) innefattande en termostapel (8), varvidgassensorn innefattar en optisk fokuseringsanordning (5) med en brännpunkt (6), där den optiskakällan (1) sänder ut infraröd strålning (3) genom ett utrymme där gas ska detekteras, och den optiskafokuseringsanordningen (5) är anordnad för fokusera strålningen (3) från den optiska källan (1) på endetektionsyta (4) hos sensorn (7), där strålningen (3) färdas längs en optisk axel (18) tilldetekteringsytan (4) hos sensorn (7), där termostapeln (8) innefattar ledningar (11, 12) anordnadeatt generera spänning med användning av den termoelektriska effekten kännetecknad av att termostapelns (8) ledningar (11, 12) är inbäddade i en matris (17) och parallella med den optiskaaxeln (18) och av att avståndet från brännpunkten (6) till sensorns (7) yta är minst 5% av avståndet(F) från fokuseringsanordningen (5) till brännpunkten (6) och där den optiska källan (1),fokuseringsanordningen (5) och sensorn (7) är anordnade i ett hölje (2) som innefattar gasen som skaanalyseras.
2. Gassensor enligt krav 1, där detekteringsytan (ilïåhos aa<~_.-*í\=¿¿\.=æ.=æí~“ i anordnag§5_¿ë-mellan fokuseringsanordningen_§§§_§_ och brännpunkten_,_g._{.
3. Gassensor enligt något av kraven 1 till 2, där strålningen (3) har tvärsnitt med en storlek och formså att hela ytan (4) hos sensorn (7) är upplyst av strålningen från fokuseringsanordningen (5).
4. Gassensor enligt något av kraven 1 till 3, där sensorn (7) innefattar en värmeabsorbator (9)anordnat mellan termostapeln (8) och den inkommande strålningen.
5. Gassensor enligt krav 4, där värmeabsorbatorn (9) är ett värmeabsorberande skikt anordnatvinkelrätt mot termostapelns (8) ledares (11, 11 ', 12, 12') riktning.
6. Gassensor enligt något av kraven 4 till 5, där värmeabsorbatorn (9) täcker termostapelns (8) varmaanslutningar.
7. Gassensor enligt något av kraven 1 till 6, vilken har en cold sink (20) på den kalla sidan hos sensorn (7)-
SE1850181A 2018-02-19 2018-02-19 Gas sensor with thermopile SE542640C2 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE1850181A SE542640C2 (sv) 2018-02-19 2018-02-19 Gas sensor with thermopile
PCT/EP2019/054052 WO2019158768A1 (en) 2018-02-19 2019-02-19 Gas sensor with thermopile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1850181A SE542640C2 (sv) 2018-02-19 2018-02-19 Gas sensor with thermopile

Publications (2)

Publication Number Publication Date
SE1850181A1 SE1850181A1 (sv) 2019-08-20
SE542640C2 true SE542640C2 (sv) 2020-06-23

Family

ID=65529674

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1850181A SE542640C2 (sv) 2018-02-19 2018-02-19 Gas sensor with thermopile

Country Status (2)

Country Link
SE (1) SE542640C2 (sv)
WO (1) WO2019158768A1 (sv)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8309211D0 (en) * 1983-04-05 1983-05-11 Edinburgh Instr Infra red absorption gas detectors
GB0213326D0 (en) 2002-06-11 2002-07-24 Edinburgh Instr Gas sensors
DE10315864B4 (de) * 2003-04-08 2006-01-12 Dräger Medical AG & Co. KGaA Vorrichtung und Verfahren zur Konzentrationsbestimmung mindestens einer Gaskomponente in einem Atemgasgemisch
US20050081905A1 (en) 2003-10-17 2005-04-21 Lan Alex H. Thermopile IR detector package structure
DE102005061411A1 (de) * 2005-12-22 2007-06-28 Robert Bosch Gmbh Mikromechanischer Thermopile-Sensor und Verfahren zu seiner Herstellung
DE102006049258A1 (de) * 2006-10-19 2008-04-30 Robert Bosch Gmbh Mikromechanisches Bauelement, insbesondere Infrarot-Bildsensor, Verfahren zur Herstellung eines Bauelementes und Verwendung
DE102009043413B3 (de) * 2009-09-29 2011-06-01 Siemens Aktiengesellschaft Thermo-elektrischer Energiewandler mit dreidimensionaler Mikro-Struktur, Verfahren zum Herstellen des Energiewandlers und Verwendung des Energiewandlers

Also Published As

Publication number Publication date
SE1850181A1 (sv) 2019-08-20
WO2019158768A1 (en) 2019-08-22

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