SG11202007454SA - Particulate matter sensor module using compound parabolic/elliptical collector - Google Patents

Particulate matter sensor module using compound parabolic/elliptical collector

Info

Publication number
SG11202007454SA
SG11202007454SA SG11202007454SA SG11202007454SA SG11202007454SA SG 11202007454S A SG11202007454S A SG 11202007454SA SG 11202007454S A SG11202007454S A SG 11202007454SA SG 11202007454S A SG11202007454S A SG 11202007454SA SG 11202007454S A SG11202007454S A SG 11202007454SA
Authority
SG
Singapore
Prior art keywords
sensor module
particulate matter
compound parabolic
matter sensor
elliptical collector
Prior art date
Application number
SG11202007454SA
Inventor
Jifang Tao
Chia-Huang Chen
Yingying Qiao
Weikang Nicholas Lin
Alex Yuandong Gu
Original Assignee
Agency Science Tech & Res
Nat Univ Singapore
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 Agency Science Tech & Res, Nat Univ Singapore filed Critical Agency Science Tech & Res
Publication of SG11202007454SA publication Critical patent/SG11202007454SA/en

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
    • G01N21/47—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G01N15/0211—Investigating a scatter or diffraction pattern
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/94—Investigating contamination, e.g. dust
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/075—Investigating concentration of particle suspensions by optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N2021/8578—Gaseous flow

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SG11202007454SA 2018-02-08 2019-02-08 Particulate matter sensor module using compound parabolic/elliptical collector SG11202007454SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201801092S 2018-02-08
PCT/SG2019/050071 WO2019156632A1 (en) 2018-02-08 2019-02-08 Particulate matter sensor module using compound parabolic/elliptical collector

Publications (1)

Publication Number Publication Date
SG11202007454SA true SG11202007454SA (en) 2020-09-29

Family

ID=67548025

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202007454SA SG11202007454SA (en) 2018-02-08 2019-02-08 Particulate matter sensor module using compound parabolic/elliptical collector

Country Status (3)

Country Link
US (1) US20210255100A1 (en)
SG (1) SG11202007454SA (en)
WO (1) WO2019156632A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4815858A (en) * 1987-10-09 1989-03-28 The United States Of America As Represented By The Secretary Of The Navy Reflectometers
WO2015151502A1 (en) * 2014-04-03 2015-10-08 パナソニックＩｐマネジメント株式会社 Particle-detecting sensor, dust sensor, smoke detector, air purifier, fan, and air conditioner
CN106574889B (en) * 2014-10-31 2019-06-04 松下知识产权经营株式会社 Particle detection sensor, dust sensor, smoke detector, air cleaner, ventilation fan and air-conditioning
CN206420774U (en) * 2017-01-19 2017-08-18 大连理工大学 A kind of air microbe device for fast detecting

Also Published As

Publication number Publication date
US20210255100A1 (en) 2021-08-19
WO2019156632A1 (en) 2019-08-15

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