FI91564C - Givare - Google Patents
Givare Download PDFInfo
- Publication number
- FI91564C FI91564C FI915153A FI915153A FI91564C FI 91564 C FI91564 C FI 91564C FI 915153 A FI915153 A FI 915153A FI 915153 A FI915153 A FI 915153A FI 91564 C FI91564 C FI 91564C
- Authority
- FI
- Finland
- Prior art keywords
- filter
- intermediate plate
- actuator
- distance
- disks
- Prior art date
Links
- 239000007789 gas Substances 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 22
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 17
- 230000005855 radiation Effects 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 14
- 229910002091 carbon monoxide Inorganic materials 0.000 description 12
- 238000010276 construction Methods 0.000 description 8
- 125000006850 spacer group Chemical group 0.000 description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 5
- 238000000411 transmission spectrum Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001272 nitrous oxide Substances 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 241000883510 Kolla Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
-
- 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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/02—Mechanical
- G01N2201/022—Casings
- G01N2201/0221—Portable; cableless; compact; hand-held
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
Claims (4)
1. Givare, specieilt en gassensor, som anvånds vid infrarodspektroskopiska haltighetsmåtningar for analys av 5 strålning från en yttre strålningskalla (2) genom ett provutrymme (3), som innehåller en eller flera gaser, vil-ken givare omfattar ett filter (4), som avgrånsar ett våg-talsområde, en kollimatorlins (5) och en infraroddetektor (6) samt ett reglerbart filter (7) av Fabry-Perot-typ, 10 vilket består av två parallella och med en delvis reflek-terande belåggning (8,9) åtminstone delvis belagda fons-terplåtar (10,11) och en piezoelektrisk aktuator (12), med vilken avståndet (d) mellan fonsterplåtarna kan regleras med hjalp av en over aktuatorn (12) kopplad spanning, och 15 varvid filtrets (7) passband (13a-13j) ar anordnade att parvis motsvara absorptionstoppar (14a-14j) i gasen som mats inom det vågtalsområde (S) som beståms av det våg-talsområdet avgrånsande filtret (4), kånneteck-n a d dårav att den piezoelektriska aktuatorn (12) ar 20 placerad mellan de reflekterande belåggningarna (8,9) i fonsterplåtarna (10 och 11) som en mellanplatta, vårs tjocklek våsentligen motsvarar avståndet mellan de reflek-terande belåggningarna (8,9), varvid den piezoelektriska mellanplattan tillsammans med de med belåggning (8,9) for-25 sedda fonsterplåtarna (10,11) bildar ett reglerbart Eta-lonfilter.
2. Givare enligt patentkrav 1, kånneteck-n a d dårav att mellanplattan utgors av en skiva, vårs mittdel omfattar en oppning (16).
3. Givare enligt patentkrav 1, kånneteck- ; n a d dårav att mellanplattan utgors av åtminstone tre separata symmetriskt mellan fonstren placerade skivor (12a-12c) och att mellan skivorna placerats givare (17a-17c) som måter avståndet (d) mellan fonstren (10,11).
4. Givare enligt patentkrav 1 eller 2, k å η n e - II 91 564 15 t e c k n a d dårav att det piezoelektriska materialet i mellanplattan ar genomskinligt inom det anvånda vågtals-området och att de delvis reflekterande belåggningarna (8, 9), som i detta fall dessutom ar elledande, befinner sig 5 på mellanplattans ytor i stållet for på fonstren, varvid aktuatorn (12) utgor ett skivformigt Etalonfilter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI915153A FI91564C (sv) | 1991-10-31 | 1991-10-31 | Givare |
| PCT/FI1992/000294 WO1993009422A1 (en) | 1991-10-31 | 1992-10-30 | Sensor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI915153A FI91564C (sv) | 1991-10-31 | 1991-10-31 | Givare |
| FI915153 | 1991-10-31 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI915153A0 FI915153A0 (sv) | 1991-10-31 |
| FI915153A FI915153A (sv) | 1993-05-01 |
| FI91564B FI91564B (sv) | 1994-03-31 |
| FI91564C true FI91564C (sv) | 1994-07-11 |
Family
ID=8533404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI915153A FI91564C (sv) | 1991-10-31 | 1991-10-31 | Givare |
Country Status (2)
| Country | Link |
|---|---|
| FI (1) | FI91564C (sv) |
| WO (1) | WO1993009422A1 (sv) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI96450C (sv) * | 1993-01-13 | 1996-06-25 | Vaisala Oy | Enkanalsförfarande och -anordning för mätning av gashalter |
| GB2286041B (en) * | 1994-01-20 | 1998-04-08 | Marconi Gec Ltd | High resolution infrared spectroscope |
| US5825490A (en) * | 1995-06-07 | 1998-10-20 | Northrop Grumman Corporation | Interferometer comprising translation assemblies for moving a first optical member relative to a second optical member |
| GB2314617B (en) * | 1996-06-24 | 2000-08-23 | Graviner Ltd Kidde | High sensitivity gas detection |
| ES2155355B1 (es) * | 1998-11-04 | 2001-12-01 | Univ Madrid Carlos Iii | Sistema para la medida al paso de las concentraciones de contaminantes en gases de todo tipo de vehiculos automoviles. |
| US6339493B1 (en) * | 1999-12-23 | 2002-01-15 | Michael Scalora | Apparatus and method for controlling optics propagation based on a transparent metal stack |
| US7362422B2 (en) | 2003-11-10 | 2008-04-22 | Baker Hughes Incorporated | Method and apparatus for a downhole spectrometer based on electronically tunable optical filters |
| NO322368B1 (no) | 2005-04-15 | 2006-09-25 | Sinvent As | Infrarod deteksjon av gass - diffraktiv. |
| CN102735273B (zh) * | 2012-06-29 | 2014-11-05 | 中国科学院半导体研究所 | 基于法布里珀罗腔的光纤传感器 |
| EP2770319B2 (de) | 2013-02-25 | 2022-01-26 | Sick Ag | Gasmessgerät |
| DE102015012429B4 (de) * | 2015-09-25 | 2019-09-05 | Drägerwerk AG & Co. KGaA | Verfahren zur Signalerfassung in einem Gasanalysesystem |
| US10466174B2 (en) * | 2016-12-13 | 2019-11-05 | Infineon Technologies Ag | Gas analyzer including a radiation source comprising a black-body radiator with at least one through-hole and a collimator |
| JP6862216B2 (ja) * | 2017-02-28 | 2021-04-21 | 浜松ホトニクス株式会社 | 光検出装置 |
| JP7388815B2 (ja) * | 2018-10-31 | 2023-11-29 | 浜松ホトニクス株式会社 | 分光ユニット及び分光モジュール |
| US11346773B2 (en) | 2020-04-22 | 2022-05-31 | Kidde Technologies, Inc. | Fabry-Perot spectrometer-based smoke detector |
| JP7114766B2 (ja) * | 2021-02-19 | 2022-08-08 | 浜松ホトニクス株式会社 | 光検出装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3640340C2 (de) * | 1985-11-26 | 1994-10-20 | Sharp Kk | Variable Interferometeranordnung |
| US4850709A (en) * | 1986-03-04 | 1989-07-25 | Canon Kabushiki Kaisha | Fabri-perot spectroscopy method and apparatus utilizing the same |
| US4830451A (en) * | 1986-03-05 | 1989-05-16 | American Telephone And Telegraph Company | Technique and apparatus for fabricating a fiber Fabry-Perot etalon |
| FR2639711B1 (fr) * | 1988-11-25 | 1992-12-31 | Elf Aquitaine | Procede pour la detection simultanee de plusieurs gaz dans un melange gazeux, et appareillage pour la mise en oeuvre de ce procede |
| US4998017A (en) * | 1989-05-01 | 1991-03-05 | Ryan Fredrick M | Method and arrangement for measuring the optical absorptions of gaseous mixtures |
| US5039201A (en) * | 1990-04-30 | 1991-08-13 | International Business Machines Corporation | Double-pass tunable fabry-perot optical filter |
-
1991
- 1991-10-31 FI FI915153A patent/FI91564C/sv not_active IP Right Cessation
-
1992
- 1992-10-30 WO PCT/FI1992/000294 patent/WO1993009422A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO1993009422A1 (en) | 1993-05-13 |
| FI915153A0 (sv) | 1991-10-31 |
| FI915153A (sv) | 1993-05-01 |
| FI91564B (sv) | 1994-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| MM | Patent lapsed |