JPH03125256U - - Google Patents
Info
- Publication number
- JPH03125256U JPH03125256U JP3518590U JP3518590U JPH03125256U JP H03125256 U JPH03125256 U JP H03125256U JP 3518590 U JP3518590 U JP 3518590U JP 3518590 U JP3518590 U JP 3518590U JP H03125256 U JPH03125256 U JP H03125256U
- Authority
- JP
- Japan
- Prior art keywords
- support
- transmitting coil
- cylindrical body
- axis
- receiving coils
- 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.)
- Granted
Links
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
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の断面図、第２図は
第１図の切断面線−から見た断面図、第３図
は減肉部の各種の断面形状を示す断面図、第４図
〜第６図は本件考案者の実験による受信コイル１
４の各検出信号の波形図、第７図〜第９図は筒体
１６を用いない比較例における各受信コイル１４
の検出信号の波形図である。
１……管、２……離隔渦流探傷装置、３……送
信コイル、１３……支持体、１４……受信コイル
、１５……仮想円、１６……筒体、１７，１８…
…リード線、１９……磁束。
Fig. 1 is a cross-sectional view of one embodiment of the present invention, Fig. 2 is a cross-sectional view taken from the cutting plane line - in Fig. 1, Fig. 3 is a cross-sectional view showing various cross-sectional shapes of thinned parts, Figures 4 to 6 show receiving coil 1 according to experiments by the inventor of the present invention.
4, and FIGS. 7 to 9 are waveform diagrams of each detection signal of each receiving coil 14 in a comparative example that does not use the cylindrical body 16.
FIG. 3 is a waveform diagram of a detection signal of FIG. DESCRIPTION OF SYMBOLS 1...Pipe, 2...Remote eddy current flaw detection device, 3...Transmission coil, 13...Support, 14...Reception coil, 15...Virtual circle, 16...Cylinder, 17, 18...
...Lead wire, 19...Magnetic flux.
Claims (1)
て支持体に取付けられる複数の受信コイルであつ
て、これらの受信コイルは、支持体の軸線上に中
心を有し、かつその軸線に垂直な仮想円の周方向
に相互に間隔をあけて配置される、そのような受
信コイルと、 前記仮想円と同軸に、その仮想円よりも半径方
向内方に配置されて支持体に取付けられる筒体と
、 送信コイルに電力を供給し、筒体内に挿通する
リード線とを含むことを特徴とする離隔渦流探傷
装置。[Claims for Utility Model Registration] A transmitting coil, a longitudinal support supporting the transmitting coil, and a plurality of receiving coils attached to the support at intervals from the transmitting coil in the axial direction of the support, which the receiving coils are arranged circumferentially spaced apart from each other in the circumferential direction of an imaginary circle having a center on the axis of the support and perpendicular to the axis; , a cylindrical body disposed radially inward from the virtual circle and attached to a support; and a lead wire that supplies power to a transmitting coil and is inserted into the cylindrical body. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3518590U JP2502078Y2 (en) | 1990-03-31 | 1990-03-31 | Separated eddy current flaw detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3518590U JP2502078Y2 (en) | 1990-03-31 | 1990-03-31 | Separated eddy current flaw detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03125256U true JPH03125256U (en) | 1991-12-18 |
| JP2502078Y2 JP2502078Y2 (en) | 1996-06-19 |
Family
ID=31540323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3518590U Expired - Lifetime JP2502078Y2 (en) | 1990-03-31 | 1990-03-31 | Separated eddy current flaw detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2502078Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010016854A (en) * | 2009-09-01 | 2010-01-21 | Okaya Electric Ind Co Ltd | Noise filter |
| KR101477191B1 (en) * | 2013-07-17 | 2014-12-29 | (주) 테크로스 | Encapsulated type transformer |
-
1990
- 1990-03-31 JP JP3518590U patent/JP2502078Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010016854A (en) * | 2009-09-01 | 2010-01-21 | Okaya Electric Ind Co Ltd | Noise filter |
| KR101477191B1 (en) * | 2013-07-17 | 2014-12-29 | (주) 테크로스 | Encapsulated type transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2502078Y2 (en) | 1996-06-19 |
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