[go: up one dir, main page]

KR890702014A - Handheld particle analyzer - Google Patents

Handheld particle analyzer

Info

Publication number
KR890702014A
KR890702014A KR1019890701290A KR890701290A KR890702014A KR 890702014 A KR890702014 A KR 890702014A KR 1019890701290 A KR1019890701290 A KR 1019890701290A KR 890701290 A KR890701290 A KR 890701290A KR 890702014 A KR890702014 A KR 890702014A
Authority
KR
South Korea
Prior art keywords
radiation
particle analyzer
concave reflector
reflector
chamber
Prior art date
Application number
KR1019890701290A
Other languages
Korean (ko)
Other versions
KR0125916B1 (en
Inventor
케이쓰 루드로우 이안
렌리 케이예 폴
Original Assignee
로버트 윌리암 베캠
디 세크리터리 오브 스테이트 포 디펜스 인 허 브리태닉 머제스티스 거번먼트 오브 디 유나이티드 킹덤 오브 그레이트 브리튼 앤드 노던 아일랜드
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
Priority claimed from GB878726305A external-priority patent/GB8726305D0/en
Application filed by 로버트 윌리암 베캠, 디 세크리터리 오브 스테이트 포 디펜스 인 허 브리태닉 머제스티스 거번먼트 오브 디 유나이티드 킹덤 오브 그레이트 브리튼 앤드 노던 아일랜드 filed Critical 로버트 윌리암 베캠
Publication of KR890702014A publication Critical patent/KR890702014A/en
Application granted granted Critical
Publication of KR0125916B1 publication Critical patent/KR0125916B1/en

Links

Classifications

    • 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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • 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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1429—Signal processing
    • G01N15/1431—Signal processing the electronics being integrated with the analyser, e.g. hand-held devices for on-site investigation
    • 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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1434—Optical arrangements
    • 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
    • G01N2015/0238—Single particle scatter
    • 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
    • G01N2015/0294—Particle shape
    • 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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1404—Handling flow, e.g. hydrodynamic focusing
    • G01N2015/1413—Hydrodynamic focussing
    • 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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N2015/1493—Particle size
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N2021/6463—Optics
    • G01N2021/6469—Cavity, e.g. ellipsoid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (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)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

내용 없음No content

Description

휴대용 입자 분석기Handheld particle analyzer

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명 양호한 실시예의 측단면도이고, 제1A도는 제1도의 선을 따라 절취한 단면도이고, 제2도는 본 발명의 다른 실시예의 측단면도이고, 제3도는 본 발명의 부가 실시예의 측단면도이다.1 is a cross-sectional side view of a preferred embodiment of the present invention, FIG. 1A is a cross-sectional view taken along the line of FIG. 1, FIG. 2 is a side cross-sectional view of another embodiment of the present invention, and FIG. 3 is a side cross-sectional view of an additional embodiment of the present invention. to be.

Claims (18)

제1산란 챔버와, 제1산란 챔버를 통하여 유체 샘플을 층류의 형태로 제공하는 수단과, 제1오목 반사경이 초점에서 유체 흐름의 방향과 직각으로서 상기 샘플을 차단하기에 적합한 방사 비임과, 샘플내에 개별 입자에 의해 산란되는 방사선을 적어도 한 개의 방사선 콜렉터쪽으로 방향 설정하는데 사용되는 제1오목 반사경과, 모아진 방사선을 분류 및 분석을 위한 전기 신호롤 변환시키는 수단과, 제1오목 반사경내에 구멍이 제2산란 챔버로 인도 되는데, 비산란 방사선을 덤핑하는 수단을 포함하는 것을 특징으로 하는 입자 분석기.Means for providing a fluid sample in the form of a laminar flow through the first scattering chamber and through the first scattering chamber, a radiation beam suitable for blocking the sample with the first concave reflector perpendicular to the direction of fluid flow at the focal point; A first concave reflector used to direct the radiation scattered by the individual particles into at least one radiation collector, means for converting the collected radiation into electrical signals for sorting and analysis, and a hole in the first concave reflector A particle analyzer directed to a biscattering chamber, comprising means for dumping nonscattering radiation. 제1항에 있어서, 상기 방사선 비임은 레이저에 의해 공급되어지는 것을 특징으로 하는 입자 분석기.The particle analyzer of claim 1, wherein the radiation beam is supplied by a laser. 제2항에 있어서, 상기 레이저는 제1오목 반사경의 주축에 정열되고, 장착되는 것을 특징으로 하는 입자 분석기.3. The particle analyzer of claim 2, wherein the laser is aligned with and mounted to the main axis of the first concave reflector. 제1항 또는 제2항에 있어서, 작은 반사경이 오목 반사경의 주축상에 장착되어 주축에 일정 각도로 장착된 레이저로부터 나오는 비임을 반사 시키는 것을 특징으로 하는 입자 분석기.The particle analyzer according to claim 1 or 2, wherein a small reflector is mounted on the main axis of the concave reflector to reflect the beam from the laser mounted at a certain angle to the main axis. 제4항에 있어서, 상기 각도는 90°인 것을 특징으로 하는 입자 분석기.5. The particle analyzer of claim 4, wherein the angle is 90 degrees. 제2항에 있어서, 상기 레이저는, 샘플 흐름 방향과 반사경의 주축 모두에 대해 직각인 축을 가지고 정열되어, 장착되는 것을 특징으로 하는 입자 분석기.3. The particle analyzer of claim 2, wherein the laser is aligned and mounted with an axis perpendicular to both the sample flow direction and the principal axis of the reflector. 전항들중의 어느 한 항에 있어서, 상기 제1오목 반사경은 포물선 형태의 반사경인 것을 특징으로 하는 입자 분석기.The particle analyzer of any one of the preceding claims, wherein the first concave reflector is a parabolic reflector. 제1항 내지 제6항중의 어느 한 항에 있어서, 상기 제1오목 반사경은 근거리 초점에서 차단점을 갖고 원거리 초점에서 방사선 콜렉터를 갖는 타원체인 것을 특징으로 하는 입자 분석기.7. The particle analyzer of any one of claims 1 to 6, wherein the first concave reflector is an ellipsoid having a cutoff point at near focus and a radiation collector at far focus. 전항들중의 어느 한 항에 있어서, 상기 제2챔버는, 근거리 초점에는 방사선 콜렉터가 있고 원거리 초점은 방사선 비임과 샘플와 차단점이 되는 제2오목 반사경인 것을 특징으로 하는 입자 분석기.The particle analyzer of any one of the preceding claims, wherein the second chamber is a radiation collector at a near focus and a second concave reflector at which the far focus is a radiation beam and a sample and a cutoff point. 제9항에 있어서, 상기 제2오목 반사경은 포물선 형태의 반사경인 것을 특징으로 하는 입자 분석기.The particle analyzer of claim 9, wherein the second concave reflector is a parabolic reflector. 제9항에 있어서, 상기 제2오목 반사경은 타원 반사경인 것을 특징으로 하는 입자 분석기.10. The particle analyzer of claim 9, wherein the second concave reflector is an elliptical reflector. 제1항에 있어서, 제2챔버는 비산란 비임 둘레에 방사선 콜렉터를 포함하는 것을 특징으로 하는 입자 분석기.The particle analyzer of claim 1, wherein the second chamber comprises a radiation collector around the non-scattering beam. 전항들중의 어느 한 항에 있어서, 상기 방사선 콜렉터는 광전자 증배관식 유니트인 것을 특징으로 하는 입자 분석기.The particle analyzer of any one of the preceding claims, wherein the radiation collector is a photomultiplier tube unit. 제1항 내지 제12항 중의 어느 한 항에 있어서, 상기 방사선 콜렉터는 광전자 증배관식 유니트에 이르는 광섬유인 것을 특징으로 하는 입자 분석기.The particle analyzer according to any one of claims 1 to 12, wherein the radiation collector is an optical fiber leading to a photomultiplier tube unit. 제1항 내지 제12항 중의 어느 한 항에 있어서, 상기 방사선 콜렉터는 광전자 증배관식 유니트 또는 광섬유로 상기 방사선을 방향 설정하는 렌즈인 것을 특징으로 하는 입자 분석기.The particle analyzer according to any one of claims 1 to 12, wherein the radiation collector is a lens for directing the radiation with a photomultiplier unit or an optical fiber. 제1산란 챔버를 통하여 유체 샘플을 층류 형태로 통과시키고, 방사선을 적어도 한 개의 방사선 콜랙터로 방향 설정 하는데 사용되는 상기 제1오목 반사경의 초점에서 유체 흐름 방향과 직각인 샘플을 차단하기 위하여, 제1산란 챔버를 통하여 방사선의 비임을 통과시키며, 상기 제1오목 반사경내의 구멍 앞에 있는 제2챔버내에 놓여진 적어도 한 개의 방사선 콜레터로 산란 방사선을 모으고, 모아진 방사선을 전기 신호로 변환하고, 전기 신호를 분류 및 분석하고, 그리고 비산란 방사선을 덤핑하는 단계를 포함하는 을 특징으로 하는 입자 분석 방법.To block the sample perpendicular to the direction of fluid flow at the focal point of the first concave reflector used to direct the fluid sample through the first scattering chamber in laminar flow and direct radiation to the at least one radiation collector; Pass a beam of radiation through a scattering chamber, collect scattered radiation with at least one radiation collet placed in a second chamber in front of a hole in the first concave reflector, convert the collected radiation into an electrical signal, and convert the electrical signal Classifying and analyzing, and dumping non-scattered radiation. 제16항에 있어서, 상기 샘플은 에어로졸인 것을 특징으로 하는 입자 분석 방법.The method of claim 16, wherein the sample is an aerosol. 첨부된 다이어그램 도면을 참고로 설명되어진 입자 분석기.Particle analyzer described with reference to the accompanying diagram drawings. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890701290A 1987-11-10 1988-11-10 Handheld particle analyzer KR0125916B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8726305 1987-11-10
GB878726305A GB8726305D0 (en) 1987-11-10 1987-11-10 Portable particle analysers
PCT/GB1988/000974 WO1989004472A1 (en) 1987-11-10 1988-11-10 Portable particle analysers

Publications (2)

Publication Number Publication Date
KR890702014A true KR890702014A (en) 1989-12-22
KR0125916B1 KR0125916B1 (en) 1997-12-24

Family

ID=67742109

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890701290A KR0125916B1 (en) 1987-11-10 1988-11-10 Handheld particle analyzer

Country Status (1)

Country Link
KR (1) KR0125916B1 (en)

Also Published As

Publication number Publication date
KR0125916B1 (en) 1997-12-24

Similar Documents

Publication Publication Date Title
US5043591A (en) Portable particle analysers having plural detectors
CA1323995C (en) Particle asymmetry analyser
CA1117310A (en) Parabolic cell analyzer
US5739902A (en) Liquid flow cytometer
EP0316190A1 (en) Bush
RU2006108798A (en) OPTICAL FLOW METER FOR MEASURING GAS AND LIQUID FLOW IN PIPELINES
EP2264427A3 (en) Optical apparatus with focussing reflector for converging radiation onto a flow of particles, and related method of analysis
CA1135971A (en) Radiant energy reradiating flow cell system and method
KR890702014A (en) Handheld particle analyzer
JP2006250685A (en) Fluorescence detecting method, flow cell unit and flow site meter
JP2003004625A (en) Flow sight meter
US3564263A (en) Optical particle sensor having a light collector mounted on the photosensor
Ludlow et al. Portable Particle Analysers
JPH04369463A (en) Light scattering type particle detector
KR0125917B1 (en) Asymmetric particle analyzer
JPS6491036A (en) Measuring apparatus of particles in liquid
ES8404746A1 (en) Forward scattering laser particulate sensor

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19890708

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19930916

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19890708

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19970226

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
G160 Decision to publish patent application
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19970721

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 19971010

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 19971010

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20000923

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20010921

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20020919

Start annual number: 6

End annual number: 6

FPAY Annual fee payment

Payment date: 20030919

Year of fee payment: 7

PR1001 Payment of annual fee

Payment date: 20030919

Start annual number: 7

End annual number: 7

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

Termination category: Default of registration fee

Termination date: 20050709