SE522062C2 - CO2-sensor - Google Patents
CO2-sensorInfo
- Publication number
- SE522062C2 SE522062C2 SE0003612A SE0003612A SE522062C2 SE 522062 C2 SE522062 C2 SE 522062C2 SE 0003612 A SE0003612 A SE 0003612A SE 0003612 A SE0003612 A SE 0003612A SE 522062 C2 SE522062 C2 SE 522062C2
- Authority
- SE
- Sweden
- Prior art keywords
- measuring cell
- air
- sensor according
- sensor
- acoustic waves
- Prior art date
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 238000012937 correction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
- G01N29/326—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise compensating for temperature variations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
-
- 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
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/014—Resonance or resonant frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/021—Gases
- G01N2291/0215—Mixtures of three or more gases, e.g. air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Medicinal Preparation (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0003612A SE522062C2 (sv) | 2000-10-09 | 2000-10-09 | CO2-sensor |
| PCT/SE2001/002175 WO2002031488A1 (en) | 2000-10-09 | 2001-10-08 | Co2 sensor |
| US10/398,734 US6843101B2 (en) | 2000-10-09 | 2001-10-08 | CO2 sensor |
| DE60134417T DE60134417D1 (en) | 2000-10-09 | 2001-10-08 | Co2-ultraschallsensor |
| AT01975104T ATE398285T1 (de) | 2000-10-09 | 2001-10-08 | Co2-ultraschallsensor |
| EP01975104A EP1325319B1 (de) | 2000-10-09 | 2001-10-08 | Co2-ultraschallsensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0003612A SE522062C2 (sv) | 2000-10-09 | 2000-10-09 | CO2-sensor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0003612D0 SE0003612D0 (sv) | 2000-10-09 |
| SE0003612L SE0003612L (sv) | 2002-04-10 |
| SE522062C2 true SE522062C2 (sv) | 2004-01-13 |
Family
ID=20281323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0003612A SE522062C2 (sv) | 2000-10-09 | 2000-10-09 | CO2-sensor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6843101B2 (de) |
| EP (1) | EP1325319B1 (de) |
| AT (1) | ATE398285T1 (de) |
| DE (1) | DE60134417D1 (de) |
| SE (1) | SE522062C2 (de) |
| WO (1) | WO2002031488A1 (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050205301A1 (en) * | 2004-03-19 | 2005-09-22 | Halliburton Energy Services, Inc. | Testing of bottomhole samplers using acoustics |
| US7169490B2 (en) | 2004-03-29 | 2007-01-30 | Ballard Power Systems Inc. | Hydrogen concentration sensor for an electrochemical fuel cell |
| US7174766B2 (en) * | 2005-05-24 | 2007-02-13 | Honeywell International Inc. | Calibration device for carbon dioxide sensor |
| EP3045905B1 (de) * | 2005-06-17 | 2018-02-07 | Maquet Critical Care AB | Verringerung der druckinduzierten temperaturauswirkung auf die schallgeschwindigkeit in einem gas |
| CN102362178B (zh) * | 2009-03-23 | 2014-11-12 | 皇家飞利浦电子股份有限公司 | 使用超声的气体感测 |
| US8478603B2 (en) * | 2009-06-24 | 2013-07-02 | International Business Machines Corporation | Method and system for monitoring and reporting to an operator greenhouse gas emission from a vehicle |
| US20110087524A1 (en) * | 2009-10-14 | 2011-04-14 | International Business Machines Corporation | Determining travel routes by using fee-based location preferences |
| US20110087430A1 (en) * | 2009-10-14 | 2011-04-14 | International Business Machines Corporation | Determining travel routes by using auction-based location preferences |
| US8812352B2 (en) * | 2009-10-14 | 2014-08-19 | International Business Machines Corporation | Environmental stewardship based on driving behavior |
| US20110166958A1 (en) * | 2010-01-05 | 2011-07-07 | International Business Machines Corporation | Conducting route commerce from a central clearinghouse |
| EP2469275B1 (de) | 2010-12-24 | 2015-12-23 | Honeywell Romania S.R.L. | Cantilever-Kohlendioxidsensor |
| US9683968B2 (en) | 2014-06-17 | 2017-06-20 | Nxp B.V. | Combination sensor |
| RU2581570C1 (ru) * | 2015-01-12 | 2016-04-20 | федеральное государственное автономное образовательное учреждение высшего образования "Южный федеральный университет" | Пассивный беспроводный датчик на поверхностных акустических волнах для измерения концентрации моноокиси углерода |
| US9933319B2 (en) * | 2015-04-13 | 2018-04-03 | Invensense, Inc. | Acoustic ambient temperature and humidity sensing |
| US11833296B2 (en) * | 2017-06-27 | 2023-12-05 | Nihon Kohden Corporation | Gas monitoring apparatus and system for artificial ventilation |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB727891A (en) | 1951-05-04 | 1955-04-13 | John Hugh Davey Walton | Improved means for analysing gaseous substances |
| JPS554528A (en) * | 1978-06-27 | 1980-01-14 | Sumitomo Bakelite Co Ltd | Method and apparatus for measuring gas concentration |
| NO791305L (no) * | 1978-08-04 | 1980-02-05 | Sub Sea Oil Services Ssos | Gassanalysator |
| DE3009566A1 (de) * | 1980-03-13 | 1981-09-17 | Afriso Euro-Index GmbH für Sicherungsarmaturen und Füllstandmessung, 7129 Güglingen | Verfahren und vorrichtung zur messung des co (pfeil abwaerts)2(pfeil abwaerts) -gehaltes von gasen |
| US4380167A (en) * | 1981-03-18 | 1983-04-19 | Energy Controls, Inc. | Apparatus and method for detecting a fraction of a gas |
| US4520654A (en) * | 1983-03-14 | 1985-06-04 | General Electric Company | Method and apparatus for detecting hydrogen, oxygen and water vapor concentrations in a host gas |
| US4662212A (en) | 1984-09-10 | 1987-05-05 | Sumitomo Bakelite Company Limited | Measuring instrument for concentration of gas |
| GB2203247A (en) * | 1987-04-04 | 1988-10-12 | Schlumberger Electronics | Gas analyser |
| GB2210977A (en) * | 1987-10-14 | 1989-06-21 | Gen Electric Co Plc | Ultrasonic gas composition measurement |
| US5060506A (en) * | 1989-10-23 | 1991-10-29 | Douglas David W | Method and apparatus for monitoring the content of binary gas mixtures |
| US5060514A (en) * | 1989-11-30 | 1991-10-29 | Puritan-Bennett Corporate | Ultrasonic gas measuring device |
| DE59006626D1 (de) * | 1989-12-08 | 1994-09-01 | Oehler Oscar | Selektive gasdetektion durch feldseparation und schallgeschwindigkeitsmessung: sauerstoff-detektion. |
| GB2257255A (en) | 1991-06-28 | 1993-01-06 | Hycontrol Technology Limited | Monitoring the concentration of carbon dioxide |
-
2000
- 2000-10-09 SE SE0003612A patent/SE522062C2/sv unknown
-
2001
- 2001-10-08 EP EP01975104A patent/EP1325319B1/de not_active Expired - Lifetime
- 2001-10-08 DE DE60134417T patent/DE60134417D1/de not_active Expired - Fee Related
- 2001-10-08 US US10/398,734 patent/US6843101B2/en not_active Expired - Fee Related
- 2001-10-08 WO PCT/SE2001/002175 patent/WO2002031488A1/en active Application Filing
- 2001-10-08 AT AT01975104T patent/ATE398285T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1325319A1 (de) | 2003-07-09 |
| US20040050142A1 (en) | 2004-03-18 |
| US6843101B2 (en) | 2005-01-18 |
| SE0003612L (sv) | 2002-04-10 |
| ATE398285T1 (de) | 2008-07-15 |
| WO2002031488A1 (en) | 2002-04-18 |
| SE0003612D0 (sv) | 2000-10-09 |
| EP1325319B1 (de) | 2008-06-11 |
| DE60134417D1 (en) | 2008-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE522062C2 (sv) | CO2-sensor | |
| US5060506A (en) | Method and apparatus for monitoring the content of binary gas mixtures | |
| US8381574B2 (en) | Reduction of pressure induced temperature influence on the speed of sound in a gas | |
| US4876889A (en) | Acoustic humidity sensor | |
| GB2070772A (en) | Method and apparatus for detection of dew point | |
| JPS6219695B2 (de) | ||
| WO2018076405A1 (zh) | 粉尘检测装置 | |
| EP1205748A1 (de) | Akustische Gasanalysevorrichtung | |
| CN112272748B (zh) | 空调机 | |
| US4380167A (en) | Apparatus and method for detecting a fraction of a gas | |
| CA2076137A1 (en) | Apparatus for determining the mechanical properties of a solid | |
| Zipser et al. | Acoustic gas sensors using airborne sound properties | |
| JP2004294434A (ja) | 音響式ガス分析器 | |
| KR20240027089A (ko) | 튜브 내 액체의 부피 흐름을 측정하기 위한 초음파 측정 셀 및 방법 | |
| US4302623A (en) | Ultrasonic batch sensing apparatus for glass-melting furnaces | |
| WO1983003139A1 (en) | Humidity measuring apparatus | |
| RU2208224C2 (ru) | Способ измерения энергии оптического и свч-излучения | |
| RU66057U1 (ru) | Химический мультисенсор для анализа многокомпонентных воздушных сред | |
| US4914641A (en) | Ultrasonic measuring device and method | |
| SU1016752A1 (ru) | Акустический гигрометр | |
| AU674810B2 (en) | Apparatus for determining the mechanical properties of a solid | |
| Sharma et al. | Design of Embedded Sing-around System for Ultrasonic Velocity Measurement in Liquids | |
| CA1148648A (en) | Measuring equipment for acoustic determination of specific gravity in liquids | |
| AU659180B2 (en) | Apparatus for determining the mechanical properties of a solid | |
| EP4214499A1 (de) | Ultraschallkonzentrationssensor auf der grundlage eines mach-zehnder-interferometers für flüssige mischungen |