JPH03127207U - - Google Patents
Info
- Publication number
- JPH03127207U JPH03127207U JP3593990U JP3593990U JPH03127207U JP H03127207 U JPH03127207 U JP H03127207U JP 3593990 U JP3593990 U JP 3593990U JP 3593990 U JP3593990 U JP 3593990U JP H03127207 U JPH03127207 U JP H03127207U
- Authority
- JP
- Japan
- Prior art keywords
- inspected
- magnetic poles
- magnets
- group
- magnet group
- 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
- 239000000523 sample Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 238000002604 ultrasonography Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002592 echocardiography Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
第１図は本考案の第１の実施例に係る電磁超音
波探触子の側面図、第２図は本考案の第２の実施
例に係る電磁超音波探触子の側面図、第３図は従
来の電磁超音波探触子の配置状態と受信エコーの
波形との関係を示す説明図、第４図は本考案の電
磁超音波探触子において第２磁石を用いない場合
の配置状態と受信エコーの波形との関係を示す説
明図、第５図は本考案の電磁超音波探触子の配置
状態と受信エコーの波形との関係を示す説明図、
第６図は電磁超音波探触子による受信感度の測定
に使用した測定回路のブロツク図、第７図は板厚
が異なる複数の被検査材３について前記受信エコ
ーの測定を行つた結果を示すグラフ、第８図は従
来の電磁超音波探触子の側面図である。
１……探触子用コイル、３……被検査材、２１
……第１磁石、２２……第２磁石。
FIG. 1 is a side view of an electromagnetic ultrasound probe according to a first embodiment of the present invention, FIG. 2 is a side view of an electromagnetic ultrasound probe according to a second embodiment of the present invention, and FIG. The figure is an explanatory diagram showing the relationship between the arrangement of a conventional electromagnetic ultrasound probe and the waveform of the received echo. Figure 4 is the arrangement of the electromagnetic ultrasound probe of the present invention when the second magnet is not used. FIG. 5 is an explanatory diagram showing the relationship between the arrangement state of the electromagnetic ultrasound probe of the present invention and the waveform of the received echo,
Fig. 6 is a block diagram of a measurement circuit used to measure reception sensitivity with an electromagnetic ultrasonic probe, and Fig. 7 shows the results of measuring the reception echoes of a plurality of inspected materials 3 with different plate thicknesses. The graph and FIG. 8 are side views of a conventional electromagnetic ultrasonic probe. 1... Coil for probe, 3... Material to be inspected, 21
...first magnet, 22...second magnet.
Claims (1)
した複数の磁石とを備え、Ｓ０モードの電磁超音
波の送受信を行う電磁超音波探触子において、 前記被検査材の一側に、その対向する磁極が相
異なるように被検査材に沿つて対向配置した第１
の磁石群と、 前記被検査材の他側に、その対向する磁極が相
異なるように被検査材に沿つて対向配置した第２
の磁石群と、 前記第１の磁石群又は第２の磁石群の対向する
磁石間に配置した探触子用コイルと を備え、前記第１の磁石群と第２の磁石群とを、
被検査材を介して向かい合う磁極が同一となるよ
うに対向配置してあることを特徴とする電磁超音
波探触子。[Scope of Claim for Utility Model Registration] An electromagnetic ultrasonic probe that is equipped with a probe coil and a plurality of magnets arranged oppositely through a material to be inspected, and that transmits and receives electromagnetic ultrasonic waves in S0 mode, On one side of the inspected material, first magnetic poles are arranged oppositely along the inspected material so that the opposing magnetic poles are different from each other.
a group of magnets, and a second group of magnets arranged oppositely along the material to be inspected on the other side of the material to be inspected so that the opposing magnetic poles thereof are different from each other.
a probe coil disposed between opposing magnets of the first magnet group or the second magnet group, the first magnet group and the second magnet group,
An electromagnetic ultrasonic probe characterized in that magnetic poles facing each other across a material to be inspected are arranged to face each other so that they are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3593990U JPH0612489Y2 (en) | 1990-04-02 | 1990-04-02 | Electromagnetic ultrasonic probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3593990U JPH0612489Y2 (en) | 1990-04-02 | 1990-04-02 | Electromagnetic ultrasonic probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03127207U true JPH03127207U (en) | 1991-12-20 |
| JPH0612489Y2 JPH0612489Y2 (en) | 1994-03-30 |
Family
ID=31541729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3593990U Expired - Lifetime JPH0612489Y2 (en) | 1990-04-02 | 1990-04-02 | Electromagnetic ultrasonic probe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0612489Y2 (en) |
-
1990
- 1990-04-02 JP JP3593990U patent/JPH0612489Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0612489Y2 (en) | 1994-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2196256A1 (en) | Fastener Characterization with an Electromagnetic Acoustic Transducer | |
| CA2331904A1 (en) | Detecting tool motion effects on spin echoes obtained with nuclear magnetic resonance measurements | |
| JPS6292455U (en) | ||
| JPH0612489Y2 (en) | Electromagnetic ultrasonic probe | |
| JPH0612359B2 (en) | Integrated non-contact ultrasonic transducer | |
| JPS5598304A (en) | Thickness meter | |
| JPH02131656U (en) | ||
| JPS6327809U (en) | ||
| JPS6415959U (en) | ||
| JPS61123981U (en) | ||
| JPS63175856U (en) | ||
| JPH0333362U (en) | ||
| JPS5854554U (en) | Continuous acoustic emission wave measurement device | |
| JPH0317519U (en) | ||
| JPS6327810U (en) | ||
| JPH01140109U (en) | ||
| JPH01112151A (en) | electromagnetic ultrasound probe | |
| JPS6410656U (en) | ||
| Nikitin et al. | Effect of Inclination on Output Signals of Eddy Current Transducer | |
| JPS62140360U (en) | ||
| JPH0424062U (en) | ||
| JPS62180706U (en) | ||
| SILK | Ultrasonic transducers for nondestructive testing(Book) | |
| JPS6291272U (en) | ||
| JPH03128850U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |