JPS58123361U - Eddy current flaw detection equipment - Google Patents
Eddy current flaw detection equipmentInfo
- Publication number
- JPS58123361U JPS58123361U JP2003382U JP2003382U JPS58123361U JP S58123361 U JPS58123361 U JP S58123361U JP 2003382 U JP2003382 U JP 2003382U JP 2003382 U JP2003382 U JP 2003382U JP S58123361 U JPS58123361 U JP S58123361U
- Authority
- JP
- Japan
- Prior art keywords
- eddy current
- flaw detection
- current flaw
- detection equipment
- signal
- 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
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、疵位相と謎信号の大きさとをベクトル表示し
たベクトル図である。第2図は、本考案実施例に係わる
線材探傷方法の説明図である。 ・1.2・・・・・・
疵、6・・・・・・線材、7・・・・・・励振コイル、
・8・・・・・・検出コイル、9・・・・・・ブリッジ
、10・・・・・・増巾器、11・・・・・・励振信号
、12・・・・・・同期検波回路、13・・・・・・フ
ィルター、14・・・・・・比較器、15・・・・・・
インターフェース、16・・・・・・処理回路、17・
・・・・・表示装置、18・・・・・・発振器。FIG. 1 is a vector diagram showing the flaw phase and the magnitude of the mystery signal as vectors. FIG. 2 is an explanatory diagram of the wire rod flaw detection method according to the embodiment of the present invention.・1.2・・・・・・
Defect, 6... Wire, 7... Excitation coil,
・8...detection coil, 9...bridge, 10...amplifier, 11...excitation signal, 12...synchronous detection Circuit, 13...Filter, 14...Comparator, 15...
Interface, 16... Processing circuit, 17.
... Display device, 18 ... Oscillator.
Claims (1)
を等ピッチに細分割して同期検波する複数個の同期検波
回路と、更に該回路の出力信号を複数の検出lノベルに
選別し出力する比較器と、該比較器出力をAND、OR
条件で最終的な疵判断を行う処理回路とを有することを
特徴とする渦流探傷装置。In eddy current flaw detection, at least 0 to 180° of the flaw detection signal
a plurality of synchronous detection circuits that finely divide the signal into equal pitches and perform synchronous detection;
An eddy current flaw detection device characterized by having a processing circuit that makes a final flaw judgment based on conditions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003382U JPS58123361U (en) | 1982-02-12 | 1982-02-12 | Eddy current flaw detection equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003382U JPS58123361U (en) | 1982-02-12 | 1982-02-12 | Eddy current flaw detection equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58123361U true JPS58123361U (en) | 1983-08-22 |
Family
ID=30032211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003382U Pending JPS58123361U (en) | 1982-02-12 | 1982-02-12 | Eddy current flaw detection equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58123361U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0839010A (en) * | 1994-07-27 | 1996-02-13 | Kumashiro Tekkosho:Kk | Different article sensing coil device for carrying selector, adjustment method and carrying selector |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4890584A (en) * | 1972-03-03 | 1973-11-26 |
-
1982
- 1982-02-12 JP JP2003382U patent/JPS58123361U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4890584A (en) * | 1972-03-03 | 1973-11-26 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0839010A (en) * | 1994-07-27 | 1996-02-13 | Kumashiro Tekkosho:Kk | Different article sensing coil device for carrying selector, adjustment method and carrying selector |
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