MX9206069A - Detector de particulas de gas de escape - Google Patents
Detector de particulas de gas de escapeInfo
- Publication number
- MX9206069A MX9206069A MX9206069A MX9206069A MX9206069A MX 9206069 A MX9206069 A MX 9206069A MX 9206069 A MX9206069 A MX 9206069A MX 9206069 A MX9206069 A MX 9206069A MX 9206069 A MX9206069 A MX 9206069A
- Authority
- MX
- Mexico
- Prior art keywords
- photodiode
- led
- exhaust gas
- header
- particle detector
- Prior art date
Links
- 239000002245 particle Substances 0.000 title 1
- 230000003287 optical effect Effects 0.000 abstract 1
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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
-
- 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
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
-
- 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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
- G01J2001/1636—Arrangements with two photodetectors, the signals of which are compared one detector directly monitoring the source, e.g. also impulse time controlling
-
- 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
- G01N2201/06—Illumination; Optics
- G01N2201/062—LED's
- G01N2201/0624—Compensating variation in output of LED source
-
- 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
- G01N2201/06—Illumination; Optics
- G01N2201/069—Supply of sources
- G01N2201/0691—Modulated (not pulsed supply)
Landscapes
- Physics & Mathematics (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Led Device Packages (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
En un detector de humo de gas de escape un emisor de luz genera un haz de luz que pasa a través de una región que contiene al gas de escape hacia un primer detector de luz. Para reducir la interferencia del emisor de luz es impulsado por una señal de onda casi cuadrada producida al hacer pasar una onda cuadrada a través de un filtro de paso bajo.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9122361A GB2260808B (en) | 1991-10-22 | 1991-10-22 | Exhaust gas particle sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9206069A true MX9206069A (es) | 1993-10-01 |
Family
ID=10703311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9206069A MX9206069A (es) | 1991-10-22 | 1992-10-22 | Detector de particulas de gas de escape |
Country Status (8)
Country | Link |
---|---|
US (1) | US5592296A (es) |
EP (2) | EP0539203B1 (es) |
JP (1) | JPH05240765A (es) |
AT (1) | ATE164007T1 (es) |
DE (1) | DE69224699T2 (es) |
ES (1) | ES2116322T3 (es) |
GB (2) | GB2260808B (es) |
MX (1) | MX9206069A (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2333365B (en) * | 1998-01-14 | 2001-11-21 | Assembly Technology & Test Ltd | Exhaust probe assembly |
US20040055402A1 (en) * | 2002-07-10 | 2004-03-25 | Pfizer Inc. | Probe holder |
GB2394551B (en) * | 2002-10-23 | 2006-05-03 | Premier Diagnostics Ltd | Test device fot internal combustion engine |
GB2395260B (en) * | 2002-11-07 | 2005-11-02 | E2V Tech Uk Ltd | Gas sensors |
GB2404731B (en) * | 2003-07-31 | 2006-08-09 | Apollo Fire Detectors Ltd | Smoke detector with compact light source |
DE102005040790A1 (de) * | 2005-08-29 | 2007-03-01 | Robert Bosch Gmbh | Verfahren zum Betreiben eines Sensors zum Erfassen von Partikeln in einem Gasstrom und Vorrichtung zur Durchführung des Verfahrens |
AT504436B8 (de) * | 2007-03-01 | 2008-09-15 | Anton Paar Gmbh | Verfahren und vorrichtung zur bestimmung des alkoholgehaltes von flüssigkeiten |
DE102011079769A1 (de) * | 2011-07-25 | 2013-01-31 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Messung der Partikelkonzentration in einem Aerosol |
JP5681655B2 (ja) | 2012-02-21 | 2015-03-11 | 日本特殊陶業株式会社 | 微粒子検知システム |
US9933335B2 (en) | 2016-06-17 | 2018-04-03 | Wisconsin Alumni Research Foundation | Combustion gas sensor assembly for engine control |
US10429297B2 (en) * | 2017-01-26 | 2019-10-01 | Acumentor Llc | Monitoring opacity of smoke exhausted by wood stove and controlling wood stove based on same |
US20230095478A1 (en) * | 2021-09-29 | 2023-03-30 | Kidde Technologies, Inc. | Compressed gas cleaning of windows in particle concentration measurement device |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3833305A (en) * | 1969-09-17 | 1974-09-03 | Commercial Electronics Inc | Gas analyzing apparatus |
US3711210A (en) * | 1971-07-06 | 1973-01-16 | R Krukowski | Smoke meter |
US3743430A (en) * | 1971-11-12 | 1973-07-03 | Shell Oil Co | Light transmission monitor |
US3850529A (en) * | 1972-10-26 | 1974-11-26 | R Brugger | Device for calibrating a transmissometer |
US3895233A (en) * | 1972-10-26 | 1975-07-15 | Bailey Meter Co | Gas analyzer |
FR2277492A1 (fr) * | 1974-07-05 | 1976-01-30 | Thomson Csf | Dispositif de commande de diode electroluminescente et systeme de communication optique comportant un tel dispositif |
US3973852A (en) * | 1974-08-30 | 1976-08-10 | The Dow Chemical Company | Method and apparatus for measuring particulate concentration in the atmosphere |
FR2286594A1 (fr) * | 1974-10-04 | 1976-04-30 | Dauphine Bourguignon Const Agr | Perfectionnements aux dispositifs de retournement des charrues |
US3958122A (en) * | 1974-12-19 | 1976-05-18 | United Technologies Corporation | Exhaust gas analyzer having pressure and temperature compensation |
DD118328A1 (es) * | 1975-01-14 | 1976-02-20 | ||
US3967904A (en) * | 1975-01-15 | 1976-07-06 | Electronics Corporation Of America | Precision radiation source regulation circuit |
US3997271A (en) * | 1975-03-10 | 1976-12-14 | Brugger Richard D | Device for calibrating a transmissometer |
US4087690A (en) * | 1976-06-22 | 1978-05-02 | E. I. Du Pont De Nemours And Company | Spurious radiation compensation in infrared analyzers |
US4125777A (en) * | 1977-08-17 | 1978-11-14 | Rca Corporation | Radiation emitter-detector package |
JPS56132035A (en) * | 1980-03-21 | 1981-10-16 | Matsushita Electric Works Ltd | Countermeasure system for radio interference using trapezoidal wave transmission |
FR2498024B1 (fr) * | 1981-01-13 | 1985-06-14 | Hennequin Cie Sa Ets | Interface convertisseur pour eclairage de securite a partir d'une alimentation continue avec batterie d'accumulateurs |
EP0076338A1 (en) * | 1981-10-05 | 1983-04-13 | Gamewell Corporation | Broad-spectrum particle detector |
US4544273A (en) * | 1983-07-29 | 1985-10-01 | Particulate Instruments | Smoke opacity meter |
US4583859A (en) * | 1984-03-30 | 1986-04-22 | The Babcock & Wilcox Company | Filter cleaning system for opacity monitor |
JPS6195591A (ja) * | 1984-10-16 | 1986-05-14 | Sony Corp | 半導体レ−ザ |
JP2597975B2 (ja) * | 1985-03-26 | 1997-04-09 | 株式会社東芝 | 半導体発光素子及びその製造方法 |
DE3526458A1 (de) * | 1985-07-24 | 1987-01-29 | Grundig Emv | Einrichtung zur optischen truebungsmessung von gasen |
DE3535515A1 (de) * | 1985-10-04 | 1987-04-09 | Pantuc Ing Buero | Verfahren und vorrichtung zur on-line-messung von transmission oder reflexion an bewegten objekten im bereich detektierbarer elektromagnetischer strahlung |
US4817109A (en) * | 1985-12-10 | 1989-03-28 | 501 Sharp Kabushiki Kaisha | External resonator type semiconductor laser apparatus |
JPS62260384A (ja) * | 1986-05-06 | 1987-11-12 | Mitsubishi Electric Corp | 半導体装置 |
US4937461A (en) * | 1988-08-22 | 1990-06-26 | Traina John E | Transmissometer having solid state light source |
GB9102467D0 (en) * | 1991-02-05 | 1991-03-20 | Marconi Gec Ltd | Exhaust gas particle measurement |
-
1991
- 1991-10-22 GB GB9122361A patent/GB2260808B/en not_active Expired - Fee Related
- 1991-10-22 GB GB9511061A patent/GB2288231B/en not_active Expired - Fee Related
-
1992
- 1992-10-22 EP EP92309678A patent/EP0539203B1/en not_active Expired - Lifetime
- 1992-10-22 EP EP97202522A patent/EP0816826A1/en not_active Withdrawn
- 1992-10-22 AT AT92309678T patent/ATE164007T1/de not_active IP Right Cessation
- 1992-10-22 DE DE69224699T patent/DE69224699T2/de not_active Expired - Fee Related
- 1992-10-22 JP JP4325895A patent/JPH05240765A/ja active Pending
- 1992-10-22 ES ES92309678T patent/ES2116322T3/es not_active Expired - Lifetime
- 1992-10-22 MX MX9206069A patent/MX9206069A/es not_active IP Right Cessation
-
1995
- 1995-12-14 US US08/574,558 patent/US5592296A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69224699T2 (de) | 1998-07-09 |
ES2116322T3 (es) | 1998-07-16 |
US5592296A (en) | 1997-01-07 |
EP0816826A1 (en) | 1998-01-07 |
EP0539203B1 (en) | 1998-03-11 |
GB9511061D0 (en) | 1995-07-26 |
GB9122361D0 (en) | 1991-12-04 |
GB2260808A (en) | 1993-04-28 |
GB2288231A (en) | 1995-10-11 |
DE69224699D1 (de) | 1998-04-16 |
GB2288231B (en) | 1996-02-21 |
JPH05240765A (ja) | 1993-09-17 |
EP0539203A3 (en) | 1993-06-16 |
GB2260808B (en) | 1996-02-28 |
EP0539203A2 (en) | 1993-04-28 |
ATE164007T1 (de) | 1998-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE200574T1 (de) | Optischer wegsensor | |
US7935916B2 (en) | System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED | |
ES2072241T1 (es) | Dispositivo medidor de distancia a base de diodo laser. | |
ITMI931654A1 (it) | Sistema ottico per diodi emettitori di luce | |
EP0269337A3 (en) | Alignment of optical components | |
JPS5640737A (en) | Damage detector for optical fiber for laser power transmission | |
MX9206069A (es) | Detector de particulas de gas de escape | |
DE60310476D1 (de) | Beleuchtungseinrichtung für Kraftfahrzeuge | |
KR950006734A (ko) | 광학장치 | |
DE3781657D1 (de) | Photoelektrischer schalter vom reflektionstyp. | |
SE9802332D0 (sv) | Optisk källa med övervakning | |
ATE284603T1 (de) | Optischer rauchmelder | |
EP0386581A3 (en) | Device for optically detecting hold position of electronic component | |
ATE514139T1 (de) | Aufnahmekammer für laserlesevorrichtungen | |
BR9713284A (pt) | Detector de contaminante | |
NO910595D0 (no) | Antenne. | |
DE59302242D1 (de) | Optoelektronisches Bauelement | |
DE69114588D1 (de) | Temperaturmessvorrichtung. | |
JPS5559785A (en) | Light emitting semiconductor device | |
ATE83078T1 (de) | Optoelektronische einrichtung. | |
JAN et al. | Optical source with monitor | |
KR970071607A (ko) | 엔드센서의 발광 프리즘 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration | ||
MM | Annulment or lapse due to non-payment of fees |