KR100681693B1 - 방사온도 계측기용 광학적 외란차단 시스템 및 방법 - Google Patents
방사온도 계측기용 광학적 외란차단 시스템 및 방법 Download PDFInfo
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- KR100681693B1 KR100681693B1 KR1020050099905A KR20050099905A KR100681693B1 KR 100681693 B1 KR100681693 B1 KR 100681693B1 KR 1020050099905 A KR1020050099905 A KR 1020050099905A KR 20050099905 A KR20050099905 A KR 20050099905A KR 100681693 B1 KR100681693 B1 KR 100681693B1
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- Prior art keywords
- lens
- temperature
- radiation thermometer
- infrared light
- radiation
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- 230000005855 radiation Effects 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title abstract description 23
- 230000003287 optical effect Effects 0.000 title abstract description 4
- 238000002955 isolation Methods 0.000 title description 4
- 238000005259 measurement Methods 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000035699 permeability Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000556 factor analysis Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/04—Casings
- G01J5/041—Mountings in enclosures or in a particular environment
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0806—Focusing or collimating elements, e.g. lenses or concave mirrors
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0856—Slit arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
Abstract
Description
구분 | Multi-wave pyrometer | ||
필터 미채용시 | 필터 채용시 | ||
정확도 | %Bias | 37.4% | 0.2% |
%Linearity | 60.2% | 1.0% | |
정밀도 | 580.0℃ | 56.56℃ | 1.503℃ |
620.0℃ | 28.2℃ | -1.162℃ | |
660.0℃ | 660.0℃ | 0.722℃ |
Claims (6)
- 직화식 또는 간접 가열식 가열로내 피가열물의 표면온도를 방사온도계를 이용한 측정에 있어서,측정 대상물로부터 반사, 방사 또는 중간 매개물에 의해 방사된 적외선 수평광을 집광하여 전달하는 전방렌즈;상기 전방렌즈로부터 지나온 적외선광중 측정 대상물에서 방사된 적외선광만을 받아들이는 받아들이는 핀홀;상기 전방렌즈와 동일한 사양으로 핀홀을 통과한 적외선 광을 수평광으로 만들어 주는 역할을 하는 후방렌즈;상기 후방렌즈로부터 지나온 광을 집광하는 집광렌즈; 및상기 집광렌즈를 지나온 광의 온도를 측정하는 방사온도계(Pyrometer)를 포함하는 것을 특징으로 하는 방사온도 계측기 사용시 거리선택을 이용한 외란차단 시스템.
- 제 1 항에 있어서, 상기 전방렌즈는재질이 상기 방사온도계의 관심파장영역에 대하여 통과율이 높은 재질을 사용하는 것을 특징으로 하는 방사온도 계측기 사용시 거리선택을 이용한 외란차단 시스템.
- 삭제
- 삭제
- 삭제
- 측정하고자 하는 대상물의 영역에서 방사되는 관심파장의 적외선 광만을 통과시킨 후 방사온도계의 집광렌즈로 집광을 시켜 외란 요소를 걸러내기 위하여 측정 대상물로부터 반사, 방사 또는 중간 매개물에 의해 방사된 적외선 수평광을 전방렌즈에 의해 집광하여 핀홀로 전달하는 단계;상기 전방렌즈와 동일한 사양의 후방렌즈에 의해 수평광을 유지시키는 단계;상기 후방렌즈로부터 지나온 광을 집광렌즈에 의해 집광하는 단계; 및상기 집광렌즈를 지나온 광의 온도를 방사온도계로 측정하는 단계;를 포함하는 것을 특징으로 하는 방사온도 계측기 사용시 거리선택을 이용한 외란차단 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050099905A KR100681693B1 (ko) | 2005-10-21 | 2005-10-21 | 방사온도 계측기용 광학적 외란차단 시스템 및 방법 |
US12/090,937 US20080259994A1 (en) | 2005-10-21 | 2006-02-27 | Infrared Radiation Temperature Measuring System with Error Source Radiance Optical Filtering System and Method Using the Same |
PCT/KR2006/000681 WO2007046574A1 (en) | 2005-10-21 | 2006-02-27 | Infrared radiation temperature measuring system with error source radiance optical filtering system and method using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050099905A KR100681693B1 (ko) | 2005-10-21 | 2005-10-21 | 방사온도 계측기용 광학적 외란차단 시스템 및 방법 |
Publications (1)
Publication Number | Publication Date |
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KR100681693B1 true KR100681693B1 (ko) | 2007-02-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050099905A KR100681693B1 (ko) | 2005-10-21 | 2005-10-21 | 방사온도 계측기용 광학적 외란차단 시스템 및 방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20080259994A1 (ko) |
KR (1) | KR100681693B1 (ko) |
WO (1) | WO2007046574A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101540248B1 (ko) * | 2013-12-26 | 2015-07-29 | 주식회사 포스코 | 고로용 취발 징후 감지장치 및 감지방법 |
Citations (8)
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2005
- 2005-10-21 KR KR1020050099905A patent/KR100681693B1/ko not_active IP Right Cessation
-
2006
- 2006-02-27 WO PCT/KR2006/000681 patent/WO2007046574A1/en active Application Filing
- 2006-02-27 US US12/090,937 patent/US20080259994A1/en not_active Abandoned
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KR970006517A (ko) * | 1995-07-26 | 1997-02-21 | 제임스 조셉 드롱 | 열처리 시스템의 적외선 고온계 교정 방법 및 장치 |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR101540248B1 (ko) * | 2013-12-26 | 2015-07-29 | 주식회사 포스코 | 고로용 취발 징후 감지장치 및 감지방법 |
Also Published As
Publication number | Publication date |
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WO2007046574A1 (en) | 2007-04-26 |
US20080259994A1 (en) | 2008-10-23 |
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