JPH01151246U - - Google Patents

Info

Publication number
JPH01151246U
JPH01151246U JP4662188U JP4662188U JPH01151246U JP H01151246 U JPH01151246 U JP H01151246U JP 4662188 U JP4662188 U JP 4662188U JP 4662188 U JP4662188 U JP 4662188U JP H01151246 U JPH01151246 U JP H01151246U
Authority
JP
Japan
Prior art keywords
heating
bar
pipe
radiation sensitivity
infrared detector
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.)
Pending
Application number
JP4662188U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4662188U priority Critical patent/JPH01151246U/ja
Publication of JPH01151246U publication Critical patent/JPH01151246U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の表面欠陥探傷装置を示すブ
ロツク図、第2図は欠陥深さ検知回路の信号濃度
と欠陥深さの関係を示す図、第3図は従来の表面
欠陥探傷装置のブロツク図を示す。図において、
1は被検材、2は被検材1ま輸送方向、3は加熱
装置、4は加熱制御装置、5は加熱制御装置の基
準入力、6は赤外線検出器、7は信号処理回路、
8は信号処理回路7の基準入力、9は欠陥深さ検
知回路、10は被検材1の欠陥深さである。なお
、図中同一あるいは相当部分には同一符号を付し
て示してある。

Claims (1)

    【実用新案登録請求の範囲】
  1. パイプ、棒材、板材の表面を連続的に探傷する
    表面欠陥探傷装置において、パイプ、棒材、板材
    を加熱する加熱手段と、前記加熱手段の加熱パワ
    ーを制御する加熱制御手段と、パイプ、棒材、板
    材の欠陥部の外線放射感度を検出する赤外線検出
    器と、前記赤外線検出器の出力信号であるパイプ
    、棒材、板材の赤外線放射感度を信号処理する信
    号処理回路と、前記赤外線検出器の出力信号であ
    る被検材の赤外線放射感度の信号濃度を欠陥深さ
    に変換する欠陥深さ検知回路とを具備したことを
    特徴とする表面欠陥探傷装置。
JP4662188U 1988-04-06 1988-04-06 Pending JPH01151246U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4662188U JPH01151246U (ja) 1988-04-06 1988-04-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4662188U JPH01151246U (ja) 1988-04-06 1988-04-06

Publications (1)

Publication Number Publication Date
JPH01151246U true JPH01151246U (ja) 1989-10-19

Family

ID=31272888

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4662188U Pending JPH01151246U (ja) 1988-04-06 1988-04-06

Country Status (1)

Country Link
JP (1) JPH01151246U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008014959A (ja) * 2007-10-01 2008-01-24 Toshiba Corp コーティング部材の界面欠陥検査方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008014959A (ja) * 2007-10-01 2008-01-24 Toshiba Corp コーティング部材の界面欠陥検査方法

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