JPS5854554U - Continuous acoustic emission wave measurement device - Google Patents
Continuous acoustic emission wave measurement deviceInfo
- Publication number
- JPS5854554U JPS5854554U JP15032481U JP15032481U JPS5854554U JP S5854554 U JPS5854554 U JP S5854554U JP 15032481 U JP15032481 U JP 15032481U JP 15032481 U JP15032481 U JP 15032481U JP S5854554 U JPS5854554 U JP S5854554U
- Authority
- JP
- Japan
- Prior art keywords
- time
- acoustic emission
- probes
- measurement device
- wave measurement
- 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
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図はζ本考案の一実施例を示すブロック線図、第２
図ａおよびｂは、探触子で検出される連続型ＡＥ波の波
形を示す線図である。
２Ａ、 ２Ｂ・・・探触子、４Ａ、 ４Ｂ−・・タ
イムカウンタ、５Ａ、 ５Ｂ・・−・タイムゲート１
．１０・・・時間差計測装置、１２・・・位置標定装置
。Figure 1 is a block diagram showing one embodiment of the present invention;
Figures a and b are diagrams showing the waveform of a continuous AE wave detected by a probe. 2A, 2B...Probe, 4A, 4B--Time counter, 5A, 5B...Time gate 1
．． 10... Time difference measuring device, 12... Position locating device.
Claims (1)
出する２以上の探触子と、前記探触子の゛ 各々に接続
されて所定レベルを越えたアコースティックエミッショ
ン波が該探触子に到達した到達時刻および前記所定レベ
ルを越えたアコースティックエミッション波が連続して
発生している継続時間を測定するタイムカウンタと、前
記タイムカウンタに接続されて前記継続時間が所定時間
以上となった場合のみ到達時刻信号を出力するタイムゲ
ートと、前記タイムゲートより出力された少りくとも２
つの到達時刻信号の間で時間差を求める時間差計測装置
とを含む連続型アコースティックエミッション波の計測
装置。two or more probes for detecting acoustic emission waves generated in a subject; and an arrival time at which the acoustic emission waves exceeding a predetermined level reached the probes connected to each of the probes; A time counter that measures the duration of continuous generation of acoustic emission waves exceeding a predetermined level; and a time counter that is connected to the time counter and outputs an arrival time signal only when the duration exceeds a predetermined time. a time gate and at least two outputs from said time gate;
A continuous acoustic emission wave measuring device including a time difference measuring device for determining a time difference between two arrival time signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15032481U JPS5854554U (en) | 1981-10-09 | 1981-10-09 | Continuous acoustic emission wave measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15032481U JPS5854554U (en) | 1981-10-09 | 1981-10-09 | Continuous acoustic emission wave measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5854554U true JPS5854554U (en) | 1983-04-13 |
Family
ID=29943057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15032481U Pending JPS5854554U (en) | 1981-10-09 | 1981-10-09 | Continuous acoustic emission wave measurement device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5854554U (en) |
-
1981
- 1981-10-09 JP JP15032481U patent/JPS5854554U/en active Pending
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