JP2016539340A - サーモグラフィ検査システム - Google Patents
サーモグラフィ検査システム Download PDFInfo
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- JP2016539340A JP2016539340A JP2016536829A JP2016536829A JP2016539340A JP 2016539340 A JP2016539340 A JP 2016539340A JP 2016536829 A JP2016536829 A JP 2016536829A JP 2016536829 A JP2016536829 A JP 2016536829A JP 2016539340 A JP2016539340 A JP 2016539340A
- Authority
- JP
- Japan
- Prior art keywords
- inspection system
- heat
- heat source
- thermographic inspection
- heating elements
- 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.)
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- 238000007689 inspection Methods 0.000 title claims abstract description 29
- 238000001931 thermography Methods 0.000 title claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 230000007547 defect Effects 0.000 claims abstract description 20
- 239000004642 Polyimide Substances 0.000 claims abstract description 3
- 229920001721 polyimide Polymers 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 16
- 239000002313 adhesive film Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 10
- 230000005284 excitation Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000009659 non-destructive testing Methods 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-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
- G01N25/72—Investigating presence of flaws
-
- 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
- G01J5/48—Thermography; Techniques using wholly visual means
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
Description
ここで、Tsurf(t)は、時間tにおける面温度であり、Tsurf(0)は、時間0における面温度であり、Qは単位面積当たりの入力熱エネルギーであり、kは熱伝導率であり、ρは密度であり、cは熱容量である。
Claims (20)
- 物体の外表面に着脱可能に取り付けられるように構成された熱源と、
前記物体の熱画像を取得する熱撮像装置と、
前記熱画像に基づいて、前記物体内にある欠陥の位置を決定する分析装置と、
を備えるサーモグラフィ検査システム。 - 前記熱源はシート形状を有するヒーターである、請求項1に記載のサーモグラフィ検査システム。
- 前記熱源は熱を生じ、該熱は熱伝導により前記物体の外表面に伝わる、請求項1又は2に記載のサーモグラフィ検査システム。
- 前記熱源は前記物体の外表面に直接接触した、請求項1から3のいずれか一項に記載のサーモグラフィ検査システム。
- 前記熱源は前記ヒーターを前記外表面に結合する接着フィルムをさらに含む、請求項1から4のいずれか一項に記載のサーモグラフィ検査システム。
- 前記熱源は独立的に制御可能な複数の加熱素子を含む、請求項1から5のいずれか一項に記載のサーモグラフィ検査システム。
- 前記複数の加熱素子は、前記物体の外表面に沿って配された、請求項6に記載のサーモグラフィ検査システム。
- 前記複数の加熱素子は異なって通電され、異なる熱エネルギーを提供する、請求項6又は7に記載のサーモグラフィ検査システム。
- 前記複数の加熱素子は、同時に通電される、請求項6又は7に記載のサーモグラフィ検査システム。
- 前記熱源は、ポリイミドヒーターを含む、請求項1から9のいずれか一項に記載のサーモグラフィ検査システム。
- 前記熱撮像装置は赤外線カメラを含む、請求項1から10のいずれか一項に記載のサーモグラフィ検査システム。
- 前記赤外線カメラは、所定の時間にわたって複数の熱画像を取得する、請求項11に記載のサーモグラフィ検査システム。
- 前記分析装置は、前記外表面の温度上昇に基づいて前記欠陥の場所を決定する、請求項1から12のいずれか一項に記載のサーモグラフィ検査システム。
- 物体を検査する方法であって、
着脱可能に物体の外表面に熱源を取り付ける工程と、
前記熱源を通電して、熱を生じさせる工程と
前記熱を熱伝導により前記物体の外表面に伝える工程と、
前記物体の外表面の熱画像を取得する工程と、
前記熱画像に基づいて、前記物体内にある欠陥の位置を決定する工程と、を備える方法。 - 接着フィルムを用いて、着脱可能に前記物体の外表面に前記熱源を取り付ける、請求項14に記載の方法。
- 前記熱源は、複数の抵抗加熱素子を含む、請求項14又は15に記載の方法。
- 前記複数の抵抗加熱素子を独立的に制御する工程をさらに備える、請求項16に記載の方法。
- 前記複数の抵抗加熱素子を前記物体の外表面に沿ってアレイ状に並べる構成をさらに備える、請求項16又は17に記載の方法。
- 前記複数の加熱素子の各々に対応する位置で前記外表面の温度を分析して、前記欠陥の位置を決定する工程をさらに備える、請求項14から18のいずれか一項に記載の方法。
- 物体を検査する方法であって、
熱伝導により、前記物体の外表面を通して前記物体に熱を入れる工程と、
前記物体の外表面の熱画像を取得する工程と、
前記熱画像に基づいて、前記物体内にある欠陥の位置を決定する工程と、を備える方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/097,143 US9518946B2 (en) | 2013-12-04 | 2013-12-04 | Thermographic inspection system |
US14/097,143 | 2013-12-04 | ||
PCT/US2014/068275 WO2015084909A1 (en) | 2013-12-04 | 2014-12-03 | Thermographic inspection system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2016539340A true JP2016539340A (ja) | 2016-12-15 |
JP2016539340A5 JP2016539340A5 (ja) | 2018-01-11 |
JP6273365B2 JP6273365B2 (ja) | 2018-01-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016536829A Active JP6273365B2 (ja) | 2013-12-04 | 2014-12-03 | サーモグラフィ検査システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US9518946B2 (ja) |
EP (1) | EP3077802B1 (ja) |
JP (1) | JP6273365B2 (ja) |
KR (1) | KR101927093B1 (ja) |
CN (2) | CN105793699A (ja) |
WO (1) | WO2015084909A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9518946B2 (en) * | 2013-12-04 | 2016-12-13 | Watlow Electric Manufacturing Company | Thermographic inspection system |
KR101759862B1 (ko) * | 2016-06-21 | 2017-07-31 | 한국기초과학지원연구원 | 위상잠금 열화상 기법을 이용한 열물성 측정방법 |
US10260953B2 (en) * | 2016-08-11 | 2019-04-16 | The Boeing Company | Applique and method for thermographic inspection |
US10175186B2 (en) * | 2016-09-28 | 2019-01-08 | Amazon Technologies, Inc. | Thermographic inspection process for composite vehicle and components |
US10168217B2 (en) | 2016-09-28 | 2019-01-01 | Amazon Technologies, Inc. | Automated thermographic inspection for composite structures |
US10634631B2 (en) * | 2017-02-14 | 2020-04-28 | Itt Manufacturing Enterprises Llc | Methods and systems for detecting defects in layered devices and other materials |
CN108760546B (zh) * | 2018-08-14 | 2020-05-08 | 湖南大学 | 一种基于红外热像技术的疲劳裂纹扩展速率测量方法 |
US11474058B2 (en) * | 2019-01-10 | 2022-10-18 | General Electric Company | Systems and methods for detecting water in a fan case |
WO2022087263A1 (en) * | 2020-10-21 | 2022-04-28 | The Regents Of The University Of California | Surface sensitization for high-resolution thermal imaging |
Citations (4)
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-
2013
- 2013-12-04 US US14/097,143 patent/US9518946B2/en active Active
-
2014
- 2014-12-03 CN CN201480066127.1A patent/CN105793699A/zh active Pending
- 2014-12-03 EP EP14815551.8A patent/EP3077802B1/en active Active
- 2014-12-03 JP JP2016536829A patent/JP6273365B2/ja active Active
- 2014-12-03 KR KR1020167017836A patent/KR101927093B1/ko active IP Right Grant
- 2014-12-03 WO PCT/US2014/068275 patent/WO2015084909A1/en active Application Filing
- 2014-12-03 CN CN202110491086.2A patent/CN113252723A/zh active Pending
Patent Citations (4)
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JPH05312745A (ja) * | 1992-05-15 | 1993-11-22 | Mitsubishi Denki Bill Techno Service Kk | 赤外線熱画像用投光装置 |
JPH09281064A (ja) * | 1996-04-09 | 1997-10-31 | Hitachi Plant Eng & Constr Co Ltd | 被測定物の内面状態の検出方法 |
JP2006189410A (ja) * | 2004-12-07 | 2006-07-20 | Raito Kogyo Co Ltd | 構造物の非破壊検査方法及びその装置 |
US9518946B2 (en) * | 2013-12-04 | 2016-12-13 | Watlow Electric Manufacturing Company | Thermographic inspection system |
Also Published As
Publication number | Publication date |
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CN113252723A (zh) | 2021-08-13 |
US20150153293A1 (en) | 2015-06-04 |
KR101927093B1 (ko) | 2018-12-10 |
CN105793699A (zh) | 2016-07-20 |
JP6273365B2 (ja) | 2018-01-31 |
EP3077802A1 (en) | 2016-10-12 |
US9518946B2 (en) | 2016-12-13 |
KR20160093701A (ko) | 2016-08-08 |
EP3077802B1 (en) | 2018-08-22 |
WO2015084909A1 (en) | 2015-06-11 |
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