FI130248B - Measuring device and method for a paper web - Google Patents
Measuring device and method for a paper web Download PDFInfo
- Publication number
- FI130248B FI130248B FI20195795A FI20195795A FI130248B FI 130248 B FI130248 B FI 130248B FI 20195795 A FI20195795 A FI 20195795A FI 20195795 A FI20195795 A FI 20195795A FI 130248 B FI130248 B FI 130248B
- Authority
- FI
- Finland
- Prior art keywords
- paper web
- optical radiation
- detector
- scattering element
- scattered
- Prior art date
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 137
- 230000005855 radiation Effects 0.000 claims abstract description 107
- 230000003595 spectral effect Effects 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 16
- 238000004590 computer program Methods 0.000 claims description 7
- 230000015654 memory Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000000463 material Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- KXNLCSXBJCPWGL-UHFFFAOYSA-N [Ga].[As].[In] Chemical compound [Ga].[As].[In] KXNLCSXBJCPWGL-UHFFFAOYSA-N 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 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
-
- 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
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
-
- 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
- G01N33/34—Paper
- G01N33/346—Paper sheets
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/003—Indicating or regulating the moisture content of the layer
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/06—Indicating or regulating the thickness of the layer; Signal devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G9/00—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00
- G01G9/005—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00 using radiations, e.g. radioactive
-
- 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
- G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
- G01N21/3559—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content in sheets, e.g. in paper
-
- 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
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N21/474—Details of optical heads therefor, e.g. using optical fibres
-
- 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
-
- 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
- G01N21/86—Investigating moving sheets
-
- 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
- G01N2021/4735—Solid samples, e.g. paper, glass
-
- 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
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N2021/4764—Special kinds of physical applications
- G01N2021/4773—Partly or totally translucent samples
-
- 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
- G01N21/86—Investigating moving sheets
- G01N2021/8609—Optical head specially adapted
-
- 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
- G01N21/86—Investigating moving sheets
- G01N2021/8663—Paper, e.g. gloss, moisture content
-
- 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
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- 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
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Textile Engineering (AREA)
- Toxicology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Paper (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20195795A FI130248B (en) | 2019-09-23 | 2019-09-23 | Measuring device and method for a paper web |
| CA3091889A CA3091889A1 (en) | 2019-09-23 | 2020-08-26 | Measurement apparatus and method of paper web |
| US17/004,697 US11841357B2 (en) | 2019-09-23 | 2020-08-27 | Measurement apparatus and method of paper web |
| DE102020122393.5A DE102020122393A1 (de) | 2019-09-23 | 2020-08-27 | Messgerät und Verfahren einer Papierbahn |
| JP2020153495A JP7291109B2 (ja) | 2019-09-23 | 2020-09-14 | 紙ウェブの測定装置及び方法 |
| CN202010971458.7A CN112540049A (zh) | 2019-09-23 | 2020-09-16 | 纸幅的测量装置和方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20195795A FI130248B (en) | 2019-09-23 | 2019-09-23 | Measuring device and method for a paper web |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI20195795A1 FI20195795A1 (en) | 2021-03-24 |
| FI130248B true FI130248B (en) | 2023-05-08 |
Family
ID=74846097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20195795A FI130248B (en) | 2019-09-23 | 2019-09-23 | Measuring device and method for a paper web |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11841357B2 (enExample) |
| JP (1) | JP7291109B2 (enExample) |
| CN (1) | CN112540049A (enExample) |
| CA (1) | CA3091889A1 (enExample) |
| DE (1) | DE102020122393A1 (enExample) |
| FI (1) | FI130248B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20185410A1 (en) * | 2018-05-03 | 2019-11-04 | Valmet Automation Oy | MEASUREMENT OF THE MOVING RAIN FACTOR |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3793524A (en) * | 1972-09-05 | 1974-02-19 | Measurex Corp | Apparatus for measuring a characteristic of sheet materials |
| JPS6246358U (enExample) * | 1985-09-04 | 1987-03-20 | ||
| US7199884B2 (en) * | 2004-12-21 | 2007-04-03 | Honeywell International Inc. | Thin thickness measurement method and apparatus |
| ES2419165T3 (es) * | 2007-08-13 | 2013-08-19 | Ndc Infrared Engineering Limited | Método y aparato para la detección electromagnética para su uso en la fabricación de una lámina fibrosa |
| US8975586B2 (en) | 2011-06-06 | 2015-03-10 | Honeywell Asca Inc. | Diffusing measurement window for near and mid IR multichannel sensor |
| FI125514B (en) * | 2012-05-25 | 2015-11-13 | Valmet Automation Oy | Apparatus and method for measuring a web containing cellulose and optionally lignin |
| FI125811B (en) * | 2013-05-29 | 2016-02-29 | Valmet Automation Oy | Web measurement |
| JP2016011920A (ja) * | 2014-06-30 | 2016-01-21 | 横河電機株式会社 | 赤外線水分計 |
| US9927366B2 (en) * | 2015-03-24 | 2018-03-27 | Honeywell Limited | Spectroscopic sensor for thickness or weight measurement of thin plastic films |
| CN110018092B (zh) * | 2018-01-09 | 2022-02-22 | 宝山钢铁股份有限公司 | 一种燃气锅炉烟气颗粒物检测装置 |
| US10935368B2 (en) * | 2018-03-14 | 2021-03-02 | Honeywell Limited | Scanning caliper and basis weight sensor for sheet products using terahertz |
-
2019
- 2019-09-23 FI FI20195795A patent/FI130248B/en active
-
2020
- 2020-08-26 CA CA3091889A patent/CA3091889A1/en active Pending
- 2020-08-27 US US17/004,697 patent/US11841357B2/en active Active
- 2020-08-27 DE DE102020122393.5A patent/DE102020122393A1/de active Pending
- 2020-09-14 JP JP2020153495A patent/JP7291109B2/ja active Active
- 2020-09-16 CN CN202010971458.7A patent/CN112540049A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA3091889A1 (en) | 2021-03-23 |
| US11841357B2 (en) | 2023-12-12 |
| JP2021051071A (ja) | 2021-04-01 |
| DE102020122393A1 (de) | 2021-03-25 |
| US20210088500A1 (en) | 2021-03-25 |
| FI20195795A1 (en) | 2021-03-24 |
| CN112540049A (zh) | 2021-03-23 |
| JP7291109B2 (ja) | 2023-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7969560B2 (en) | Optical property sensor | |
| US5477321A (en) | Dual beam tunable spectrometer | |
| JP6154812B2 (ja) | 光散乱による粒子径分布測定用装置及び方法 | |
| EP2905605B1 (en) | Apparatus for measuring light scattering | |
| CN108061722A (zh) | 一种一氧化碳浓度的检测装置及检测方法 | |
| JP2015049168A (ja) | ガス吸光度測定装置 | |
| US11385156B2 (en) | Particle size measuring apparatus and measuring method | |
| US20150160118A1 (en) | Method And System For Optical Measurements Of Contained Liquids Having A Free Surface | |
| FI130248B (en) | Measuring device and method for a paper web | |
| CN103354899A (zh) | 通过对渡越时间开窗口以消灭连续的织物和粉末中的散射来增加吸收测量的精确度 | |
| US3965356A (en) | Apparatus for measuring a predetermined characteristic of a material using two or more wavelengths of radiation | |
| US3597616A (en) | Infrared measurement technique | |
| Schwarz et al. | Investigations on the capability of the statistical extinction method for the determination of mean particle sizes in concentrated particle systems | |
| CN1300561C (zh) | 香烟用品或其部件的密度测定装置 | |
| FI128285B (en) | Multichannel optical measurement unit, multichannel optical detector unit and related measurement method | |
| US20240377305A1 (en) | Method, device and use thereof for measuring the size and/or concentration of particles of a dispersion | |
| CN104508458A (zh) | 片材测量 | |
| GB2639464A (en) | Particle detection device | |
| US20170307522A1 (en) | Optical detector module, measurement system and method of detecting presence of a substance in a test material | |
| CN115201224B (zh) | 一种眼镜光学镜片缺陷检测装置及方法 | |
| US5748304A (en) | Measuring instrument for reflectometric measurements | |
| CN111537414A (zh) | 一种液体光学腔增强测量系统 | |
| RU2321843C2 (ru) | Инфракрасный датчик влажности и массы бумажного полотна | |
| CN118408868A (zh) | 煤水混合物的固体浓度检测系统和固体浓度检测方法 | |
| Xiao et al. | New set of measuring terrain atmospheric visibility with optical fiber |