JPS63168854U - - Google Patents
Info
- Publication number
- JPS63168854U JPS63168854U JP6206687U JP6206687U JPS63168854U JP S63168854 U JPS63168854 U JP S63168854U JP 6206687 U JP6206687 U JP 6206687U JP 6206687 U JP6206687 U JP 6206687U JP S63168854 U JPS63168854 U JP S63168854U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- flaw detector
- coil
- multiplexer
- output 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
- 238000001514 detection method Methods 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
第１図は本考案の一実施例による探傷器の回路
構成を示すブロツク図、第２図は本考案回路構成
による信号情報説明図、第３図は高感度型内挿式
渦電流探傷検出コイル例を示す図、第４図は高感
度型検出コイル用探傷装置の構成を示す図、第５
図は従来のスイツチング型探傷器の回路構成を示
すブロツク図、第６図および第７図は従来回路構
成による信号波形を示す図である。
５５１……低域増幅器、５５２……Ａ／Ｄ変換
器、５５５……コイル番号データ作成回路。
Figure 1 is a block diagram showing the circuit configuration of a flaw detector according to an embodiment of the present invention, Figure 2 is a diagram explaining signal information based on the circuit configuration of the present invention, and Figure 3 is a high-sensitivity interpolation type eddy current flaw detection coil. Figure 4 is a diagram showing an example, and Figure 4 is a diagram showing the configuration of a high-sensitivity type detection coil flaw detection device. Figure 5 is a diagram showing an example.
The figure is a block diagram showing the circuit configuration of a conventional switching type flaw detector, and FIGS. 6 and 7 are diagrams showing signal waveforms according to the conventional circuit configuration. 551...Low band amplifier, 552...A/D converter, 555...Coil number data creation circuit.
Claims (1)
ブを有する渦電流探傷装置において、上記プロー
ブに内蔵され上記複数のコイルセグメントにより
並列的に発生する情報を時分割して直列信号に変
換しこれを共通の探傷器に入力する第１のマルチ
プレクサ回路と、上記第１のマルチプレクサ回路
に同期して上記探傷器の内部回路を切換える第２
のマルチプレクサ回路と、時定数が小さく設定さ
れ、上記探傷器からの出力信号を入力し、これを
上記第１および第２のマルチプレクサ回路と同期
して作動するＡ／Ｄ変換器に出力する低域増幅器
と、上記Ａ／Ｄ変換器から出力される出力信号の
出力タイミングおよびその出力信号を出力してい
る検出コイルのコイル番号を出力するコイル番号
データ作成回路とを具備してなることを特徴とす
る渦電流探傷装置。 In an eddy current flaw detection device having a highly sensitive probe consisting of a plurality of coil segments, information generated in parallel by the plurality of coil segments built into the probe is time-divided and converted into a serial signal, which is transmitted to a common flaw detector. a first multiplexer circuit that inputs input to the flaw detector, and a second multiplexer circuit that switches the internal circuit of the flaw detector in synchronization with the first multiplexer circuit.
multiplexer circuit, and a low frequency circuit whose time constant is set small, which inputs the output signal from the flaw detector and outputs it to an A/D converter that operates in synchronization with the first and second multiplexer circuits. It is characterized by comprising an amplifier, and a coil number data creation circuit that outputs the output timing of the output signal output from the A/D converter and the coil number of the detection coil outputting the output signal. Eddy current flaw detection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6206687U JPS63168854U (en) | 1987-04-25 | 1987-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6206687U JPS63168854U (en) | 1987-04-25 | 1987-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63168854U true JPS63168854U (en) | 1988-11-02 |
Family
ID=30895985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6206687U Pending JPS63168854U (en) | 1987-04-25 | 1987-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63168854U (en) |
-
1987
- 1987-04-25 JP JP6206687U patent/JPS63168854U/ja active Pending
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