JPH03123262U - - Google Patents
Info
- Publication number
- JPH03123262U JPH03123262U JP3361990U JP3361990U JPH03123262U JP H03123262 U JPH03123262 U JP H03123262U JP 3361990 U JP3361990 U JP 3361990U JP 3361990 U JP3361990 U JP 3361990U JP H03123262 U JPH03123262 U JP H03123262U
- Authority
- JP
- Japan
- Prior art keywords
- tube axis
- deformed
- deformed steel
- flaw detection
- eddy current
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000000197 pyrolysis Methods 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を示すセンサの斜視
図、第２図はそのセンサにおける差動コイルの模
式図、第３図はそのセンサを用いた探傷装置の電
気回路を模式的に示すブロツク図、第４図〜第６
図は本考案の他の実施例におけるコイルの模式図
、第７図はエチレンプラント用熱分解管に使用さ
れる従来のセンサの構成を説明するための模式図
である。
１０ａ，１０ｂ……コイル、２０……コイル保
持部材、３０ａ，３０ｂ……ガイド、４０……支
持棒、５０……鋼管、６０……ブリツジ回路。
Fig. 1 is a perspective view of a sensor showing an embodiment of the present invention, Fig. 2 is a schematic diagram of a differential coil in the sensor, and Fig. 3 is a schematic diagram of an electric circuit of a flaw detection device using the sensor. Block diagram, Figures 4 to 6
The figure is a schematic diagram of a coil in another embodiment of the present invention, and FIG. 7 is a schematic diagram for explaining the configuration of a conventional sensor used in a pyrolysis tube for an ethylene plant. 10a, 10b...Coil, 20...Coil holding member, 30a, 30b...Guide, 40...Support rod, 50...Steel pipe, 60...Bridge circuit.
Claims (1)
内面欠陥を検出する渦流探傷用センサであつて、
管軸対称な相対向する異形内面に臨むように巻線
されたコイルを、管軸方向同一位置において内面
異形位相角に応じて複数配設したことを特徴とす
る内面異形鋼管の渦流探傷用内挿型センサ。 An eddy current flaw detection sensor for detecting inner surface defects of an inner deformed steel pipe having a deformed inner surface symmetrical to the tube axis,
An interior for eddy current flaw detection of internally deformed steel pipes, characterized in that a plurality of coils are arranged so as to face oppositely opposed deformed internal surfaces that are symmetrical about the tube axis, and are arranged at the same position in the tube axis direction in accordance with the phase angle of the internally deformed steel pipes. Insert type sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3361990U JPH03123262U (en) | 1990-03-29 | 1990-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3361990U JPH03123262U (en) | 1990-03-29 | 1990-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03123262U true JPH03123262U (en) | 1991-12-16 |
Family
ID=31537421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3361990U Pending JPH03123262U (en) | 1990-03-29 | 1990-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03123262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5365742B2 (en) * | 2010-04-27 | 2013-12-11 | トヨタ自動車株式会社 | Eddy current sensor |
-
1990
- 1990-03-29 JP JP3361990U patent/JPH03123262U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5365742B2 (en) * | 2010-04-27 | 2013-12-11 | トヨタ自動車株式会社 | Eddy current sensor |
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