JP4774409B2 - 材料をモニタする方法及び装置 - Google Patents
材料をモニタする方法及び装置 Download PDFInfo
- Publication number
- JP4774409B2 JP4774409B2 JP2007545791A JP2007545791A JP4774409B2 JP 4774409 B2 JP4774409 B2 JP 4774409B2 JP 2007545791 A JP2007545791 A JP 2007545791A JP 2007545791 A JP2007545791 A JP 2007545791A JP 4774409 B2 JP4774409 B2 JP 4774409B2
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- JP
- Japan
- Prior art keywords
- sensor
- calibration
- heat
- heater
- sensors
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title description 45
- 238000000034 method Methods 0.000 title description 30
- 238000012544 monitoring process Methods 0.000 title description 11
- 238000002834 transmittance Methods 0.000 claims description 19
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 31
- 230000008569 process Effects 0.000 description 22
- 230000001681 protective effect Effects 0.000 description 12
- 230000004044 response Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 11
- 238000011088 calibration curve Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- -1 polydimethylsiloxane Polymers 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004441 surface measurement Methods 0.000 description 1
- 239000002470 thermal conductor Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
Landscapes
- 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)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Description
ここで、
R=与えられた温度におけるセンサの抵抗(オーム)
R0=0℃におけるセンサの抵抗(オーム)
T=温度(℃)
A=勾配(オーム/℃)
A〜0.05−0.15オーム/℃の範囲
R0〜20−25オームの範囲
A=R0・TCR (2)
ここで、
TCR=抵抗率の温度係数で、測定した温度範囲でほぼ一定と仮定する。
T=(R−R0)/A (3)
R=V0/I (4)
R=V0 2/P (5)
ここで、Rは前記温度で測定されたセンサ抵抗、Iは電流、Pは電力である。
注:式(6)における定数は無視する。
ΔR=R−R0=A・ΔT (7)
ΔV=I・ΔR=I・A・ΔT (8)
1/m=M・Eff2+C (14)
ここで、Mは透過率較正の勾配で、下記の式で表される。
M=1/(I・A・G)(m2・℃/W・Amp・Ω) (15)
Eff2=((1/m)−C)/M (17)
ここで、1/mはこの材料のために測定される電圧対√t勾配の逆数で、M及びCはそのセンサ用の透過率較正曲線の勾配及び遮断(intercept)である。
真空をセンサ透過率の較正プロセスに用いることは前述したが、1点では十分でないため、1以上の材料を同様に使用し(PDMS(ポリジメチルシロキサン)及び場合により水ゲル(water gel))、較正線を作成する。
(Eff2)1=((1/m1)−C1)/M1 (26)
(Eff2)2=((1/m2)−C2)/M2 (27)
12 熱線
14 防護ヒータ
26 螺旋ヒータ
28 防護ヒータ
50 V型混合機
100 熱透過率/伝導率測定システム
110 計器応答受信器
120 計器応答受分析器
120 計器応答分析器
120 分析器
122 較正要素判定器
124 補償器
130 熱透過率計算器
140 センサ
150 同期パルス発生器
Claims (9)
- 熱透過率及び熱伝導率のうち少なくとも1つを測定するセンサであって、
第1のエリアヒータと、
第1のエリアヒータによって生成される熱を防護するために第1のエリアヒータを囲む第2のエリアヒータとを含む、センサ。 - センサは円形である、請求項1に記載のセンサ。
- 第1のエリアヒータは螺旋トラックを含む、請求項2に記載のセンサ。
- 第1のエリアヒータは蛇行トラックを含む、請求項2に記載のセンサ。
- センサは長方形である、請求項1に記載のセンサ。
- 第1のエリアヒータはシート抵抗である、請求項5に記載のセンサ。
- 第1のエリアヒータは長方形の螺旋トラックである、請求項5に記載のセンサ。
- 第1のエリアヒータは蛇行トラックである、請求項5に記載のセンサ。
- 第2エリアヒータは第1のエリアヒータの最外周に配列される、請求項1に記載のセンサ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CA2004/002136 WO2006063427A1 (en) | 2004-12-16 | 2004-12-16 | Method and apparatus for monitoring materials |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011034574A Division JP5309370B2 (ja) | 2011-02-21 | 2011-02-21 | 材料をモニタする方法及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008524559A JP2008524559A (ja) | 2008-07-10 |
JP4774409B2 true JP4774409B2 (ja) | 2011-09-14 |
Family
ID=36587478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007545791A Expired - Fee Related JP4774409B2 (ja) | 2004-12-16 | 2004-12-16 | 材料をモニタする方法及び装置 |
Country Status (5)
Country | Link |
---|---|
US (2) | US8858071B2 (ja) |
EP (2) | EP1831675A4 (ja) |
JP (1) | JP4774409B2 (ja) |
CA (1) | CA2590610C (ja) |
WO (1) | WO2006063427A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2199792B1 (de) * | 2008-12-18 | 2012-08-08 | F. Hoffmann-La Roche AG | Verfahren zur Überprüfung der Qualität der thermischen Ankopplung einer Messzelle |
JP5055349B2 (ja) | 2009-12-28 | 2012-10-24 | 日立オートモティブシステムズ株式会社 | 熱式ガスセンサ |
US10585057B2 (en) | 2014-12-16 | 2020-03-10 | Oxford University Innovation Limited | Detecting composition of a sample based on thermal properties |
WO2017051424A1 (en) * | 2015-09-25 | 2017-03-30 | Verifood Ltd. | Spectral blender |
WO2017178817A1 (en) | 2016-04-15 | 2017-10-19 | Oxford University Innovation Limited | A needle probe, apparatus for sensing compositional information, medical drain, method of measuring a thermal property, and method of sensing compositional information |
US11268889B2 (en) * | 2018-12-20 | 2022-03-08 | Ta Instruments-Waters Llc | Thermogravimetric analysis components |
CN110907331A (zh) * | 2019-12-10 | 2020-03-24 | 桂林理工大学 | 土体一维热渗传递的模拟装置和实现方法 |
FR3143745A1 (fr) * | 2022-12-19 | 2024-06-21 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Dispositif de détection et de caractérisation d’un dépôt d’encrassement sur une paroi, comprenant une sonde thermique et au moins une garde thermique l’entourant. |
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WO2003002998A2 (en) * | 2001-06-27 | 2003-01-09 | Mathis Instruments Ltd. | Method and apparatus for monitoring substances |
JP2003059848A (ja) * | 1999-05-19 | 2003-02-28 | Applied Materials Inc | マルチゾーン抵抗ヒータ |
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-
2004
- 2004-12-16 CA CA2590610A patent/CA2590610C/en not_active Expired - Lifetime
- 2004-12-16 EP EP04802311.3A patent/EP1831675A4/en not_active Withdrawn
- 2004-12-16 EP EP14190537.2A patent/EP2840386A1/en not_active Withdrawn
- 2004-12-16 JP JP2007545791A patent/JP4774409B2/ja not_active Expired - Fee Related
- 2004-12-16 US US11/721,720 patent/US8858071B2/en active Active
- 2004-12-16 WO PCT/CA2004/002136 patent/WO2006063427A1/en active Application Filing
-
2014
- 2014-09-02 US US14/474,556 patent/US10753894B2/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3913379A (en) * | 1973-10-18 | 1975-10-21 | Tibor Rusz | Dynamic gas analyzer |
US5297868A (en) * | 1993-06-23 | 1994-03-29 | At&T Bell Laboratories | Measuring thermal conductivity and apparatus therefor |
US5795064A (en) * | 1995-09-29 | 1998-08-18 | Mathis Instruments Ltd. | Method for determining thermal properties of a sample |
GB2322273A (en) * | 1997-02-17 | 1998-08-19 | Strix Ltd | Thick film electric heater |
JP2002500356A (ja) * | 1997-12-31 | 2002-01-08 | ハネウェル・インコーポレーテッド | 対象となる流体の選択された特性を1つのヒータ・エレメントを用いて測定する方法および装置 |
US6502983B2 (en) * | 1999-03-30 | 2003-01-07 | The Regents Of The University Of California | Micro-machined thermo-conductivity detector |
JP2003059848A (ja) * | 1999-05-19 | 2003-02-28 | Applied Materials Inc | マルチゾーン抵抗ヒータ |
WO2003002998A2 (en) * | 2001-06-27 | 2003-01-09 | Mathis Instruments Ltd. | Method and apparatus for monitoring substances |
US6676287B1 (en) * | 2002-08-07 | 2004-01-13 | Mathis Instruments Ltd. | Direct thermal conductivity measurement technique |
JP2004325141A (ja) * | 2003-04-22 | 2004-11-18 | Rikogaku Shinkokai | 熱分析方法および熱分析装置 |
JP2006242734A (ja) * | 2005-03-03 | 2006-09-14 | National Institute Of Advanced Industrial & Technology | 高温液状物質の熱伝導度測定用センサー |
Also Published As
Publication number | Publication date |
---|---|
US10753894B2 (en) | 2020-08-25 |
EP2840386A1 (en) | 2015-02-25 |
US20110002356A1 (en) | 2011-01-06 |
EP1831675A1 (en) | 2007-09-12 |
CA2590610C (en) | 2016-09-06 |
JP2008524559A (ja) | 2008-07-10 |
US20140369379A1 (en) | 2014-12-18 |
WO2006063427A1 (en) | 2006-06-22 |
EP1831675A4 (en) | 2013-09-04 |
CA2590610A1 (en) | 2006-06-22 |
US8858071B2 (en) | 2014-10-14 |
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