JP5487381B2 - 被覆層異常検出方法 - Google Patents
被覆層異常検出方法 Download PDFInfo
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- JP5487381B2 JP5487381B2 JP2009029040A JP2009029040A JP5487381B2 JP 5487381 B2 JP5487381 B2 JP 5487381B2 JP 2009029040 A JP2009029040 A JP 2009029040A JP 2009029040 A JP2009029040 A JP 2009029040A JP 5487381 B2 JP5487381 B2 JP 5487381B2
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Description
W=σT(γ)4=εσT(t)4 +(1−ε)σT(e)4
式において、
W :放射エネルギー
T(γ):前記被覆体の放射率が1の場合の絶対温度
ε :放射率
σ :ステファン・ボルツマン定数
5.67×10−8W/m2K4
T(t):前記被覆体の絶対温度
T(e):前記被覆体以外の周辺環境の絶対温度(背景輻射等の影響)
2 撮影領域
3 熱赤外画像撮影カメラ
4 被覆体
5 剥離部分(空隙)
6 覆装体のない側面
7 カメラ支持体
8 覆装体面
9 覆装体のない面
10 熱赤外画像撮影カメラ
11 撮影中の領域
12 撮影対象全体の被覆体
13 カメラ支持体
Claims (4)
- 被覆層表面を熱赤外画像撮影装置で撮影することで、該被覆層の異常を検出する方法において、
覆装体を設置して、前記被覆層表面の少なくとも一部を覆う覆装体設置工程と、
前記覆装体の温度と前記被覆層の温度が、同等になるまで待機する待機工程と、
前記待機工程後に、前記被覆層表面を前記熱赤外画像撮影装置で撮影する撮影工程と、
前記撮影工程で得られた画像に基づいて、異常を検出する検出工程と、を備え、
前記熱赤外画像撮影装置が、温度調節機能を具備し、
前記待機工程には、前記温度調節機能によって前記覆装体の温度調整を行う温度調整工程が含まれることを特徴とする被覆層異常検出方法。 - 前記覆装体は、その形状が直方体又は略直方体であり、上面のみが覆われ又は上面と側面が覆われてなることを特徴とする請求項1記載の被覆層異常検出方法。
- 前記覆装体は、その形状が直方体又は略直方体であり、上面と側面が覆われてなり、
前記熱赤外画像撮影装置が、前記覆装体の内空間に配置されたことを特徴とする請求項2記載の被覆層異常検出方法。 - 前記被覆層表面が空港の滑走路または誘導路の表面であることを特徴とする請求項1乃至請求項3のいずれかに記載の被覆層異常検出方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009029040A JP5487381B2 (ja) | 2009-02-10 | 2009-02-10 | 被覆層異常検出方法 |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2009029040A JP5487381B2 (ja) | 2009-02-10 | 2009-02-10 | 被覆層異常検出方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010185723A JP2010185723A (ja) | 2010-08-26 |
| JP5487381B2 true JP5487381B2 (ja) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2009029040A Active JP5487381B2 (ja) | 2009-02-10 | 2009-02-10 | 被覆層異常検出方法 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103733234B (zh) * | 2011-02-21 | 2017-05-10 | 斯特拉特克系统有限公司 | 用于检测飞机场中的外物、碎片或损坏的监视系统和方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4910593A (en) * | 1989-04-14 | 1990-03-20 | Entech Engineering, Inc. | System for geological defect detection utilizing composite video-infrared thermography |
| JPH10281881A (ja) * | 1997-04-09 | 1998-10-23 | Sony Corp | 赤外線カメラによる温度測定装置 |
| JP2004020336A (ja) * | 2002-06-14 | 2004-01-22 | Osaka Gas Co Ltd | サーモグラフィー検査装置 |
| JP4526570B2 (ja) * | 2008-03-10 | 2010-08-18 | 西日本高速道路エンジニアリング四国株式会社 | 赤外線カメラによる構造物調査方法 |
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| JP2010185723A (ja) | 2010-08-26 |
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