JPS60163305U - Longitudinal wave electromagnetic ultrasonic generation detector - Google Patents
Longitudinal wave electromagnetic ultrasonic generation detectorInfo
- Publication number
- JPS60163305U JPS60163305U JP5240484U JP5240484U JPS60163305U JP S60163305 U JPS60163305 U JP S60163305U JP 5240484 U JP5240484 U JP 5240484U JP 5240484 U JP5240484 U JP 5240484U JP S60163305 U JPS60163305 U JP S60163305U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic generation
- coil
- electromagnetic ultrasonic
- longitudinal wave
- generation 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.)
- Granted
Links
Landscapes
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (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ａは外部磁界を使丸しない電磁超音波発生検出器
の概略図と原理を示す。第１図す及びＣは、外部磁界を
使用する電磁超音波発生検出器の概略図と原理を示す。
第２図は電磁超音波・検出信号波形の模式図を示す。第
３図ａは本考案による縦波電磁超音波発生検出器の概略
図と原理を示す。第３図す及びＣは、本考案による超音
波発生用コイル及び検出コイルの概略図を示す。
１：導電性測定対象材、２．２′、２＃：電磁超音波発
生検出器、３．３／、ａ＃：マグネットコアー、４．４
’、４″：磁界発生用コ、イル、５．−５／、５＃：超
音波発生用コイル、ｅ、ｅ’、、ｅ″：検出コイ“ル、
７：パルス磁界、８，８／、ｓ＃：渦電流、９．９／、
ｓ＃：振動力、１０，１０’、１０＃：発生超音波進
行方向、１１．１１’、１１″二反射超音波進行方向、
１２．１２″：振動力、１３． １３’、 １３’：
静磁界、１４，１４″：渦電流、１５．１５″：回転対
称軸、１６：誘導ノイズ、１７．１７’、１７“：底面
反射エコー、１８：不感帯、１９．１９’、１９″：伝
播時間、２０：磁界発生用コイル、２１：マグネットコ
アー、２２：磁界発生用電源、２３：静磁界、 、２
４：超音波発生用コイル、２５：高周波パルス電磁、２
６，２６’：渦電流、２７．２７’：パルス磁界、２８
．２８’：振動力、２９．２９’：発生超音波進行方向
、３０：反射超音波進行方向、３１：振動力、３６，３
６’：コイル電流、３７．３７’：誘導電流、３３：超
音波検出コイル。
補正 昭５９． ＆ １
一゛ 考秦の名称を次のように補正子る。′−［相］考
案の名称 縦波電磁超音波発生検出器−図面の簡単な説
明を次のように補正する。
明細書第校貞９行〜ｌＯ行の一１超音波検出コイル。４
を１検出コイル、３２：誘導電流、３４：増幅器、３５
：―。１に補正する。Figure 1a shows a schematic diagram and principle of an electromagnetic ultrasonic generation detector that does not use an external magnetic field. Figures 1 and 1C show a schematic diagram and principle of an electromagnetic ultrasonic generation detector using an external magnetic field. FIG. 2 shows a schematic diagram of the electromagnetic ultrasound/detection signal waveform. FIG. 3a shows a schematic diagram and principle of a longitudinal wave electromagnetic ultrasonic generation detector according to the present invention. FIGS. 3A and 3C show schematic diagrams of an ultrasonic wave generation coil and a detection coil according to the present invention. 1: Conductivity measurement target material, 2.2', 2#: Electromagnetic ultrasonic generation detector, 3.3/, a#: Magnet core, 4.4
', 4'': Magnetic field generation coil, 5.-5/, 5#: Ultrasonic generation coil, e, e', e'': Detection coil,
7: Pulse magnetic field, 8,8/, s#: Eddy current, 9.9/,
s#: vibration force, 10, 10', 10#: generated ultrasound traveling direction, 11.11', 11'' double reflected ultrasound traveling direction,
12.12″: Vibration force, 13. 13′, 13′:
Static magnetic field, 14, 14": Eddy current, 15.15": Rotational symmetry axis, 16: Induced noise, 17.17', 17": Bottom reflection echo, 18: Dead zone, 19.19', 19": Propagation Time, 20: Magnetic field generation coil, 21: Magnet core, 22: Magnetic field generation power supply, 23: Static magnetic field, , 2
4: Ultrasonic generation coil, 25: High frequency pulse electromagnetic, 2
6, 26': Eddy current, 27.27': Pulse magnetic field, 28
．． 28': Vibration force, 29.29': Generated ultrasound traveling direction, 30: Reflected ultrasound traveling direction, 31: Vibration force, 36,3
6': Coil current, 37.37': Induced current, 33: Ultrasonic detection coil. Correction 1982. & 1 ゛ The name of Qin is amended as follows. ′- [Phase] Name of the device Longitudinal wave electromagnetic ultrasonic generation detector - The brief description of the drawing is amended as follows. Ultrasonic detection coil No. 11 from lines 9 to 10 of the specification. 4
1 detection coil, 32: induced current, 34: amplifier, 35
:-. Correct to 1.
Claims (1)
電流を測定対象に発生させる超音波発生用コイルと、測
定対象からの反射超音波により励起さしめられる渦電流
を検出する検出コイルと、゛前記超音波発生用コイルに
高周波パルス電流を流す高周波パルス電源とよりなる電
磁超音波発生検出器において、前記渦電流発生コイルを
渦巻状とし、検出コイルを直線状として、両コイルを重
ね合わせた構造をもたせてなる縦波電磁超音波発生検出
器。a magnetic field generator disposed near a conductive object to be measured, an ultrasonic generation coil that generates eddy currents in the object to be measured, and a detection coil that detects eddy currents excited by ultrasound reflected from the object to be measured;゛In an electromagnetic ultrasonic generation detector comprising a high-frequency pulse power source that passes a high-frequency pulse current through the ultrasonic generation coil, the eddy current generation coil is spiral-shaped, the detection coil is linear, and both coils are superimposed. A longitudinal wave electromagnetic ultrasonic generation detector with a structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5240484U JPS60163305U (en) | 1984-04-10 | 1984-04-10 | Longitudinal wave electromagnetic ultrasonic generation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5240484U JPS60163305U (en) | 1984-04-10 | 1984-04-10 | Longitudinal wave electromagnetic ultrasonic generation detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60163305U true JPS60163305U (en) | 1985-10-30 |
| JPH039013Y2 JPH039013Y2 (en) | 1991-03-06 |
Family
ID=30572328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5240484U Granted JPS60163305U (en) | 1984-04-10 | 1984-04-10 | Longitudinal wave electromagnetic ultrasonic generation detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60163305U (en) |
-
1984
- 1984-04-10 JP JP5240484U patent/JPS60163305U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH039013Y2 (en) | 1991-03-06 |
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