JPS6286551U - - Google Patents
Info
- Publication number
- JPS6286551U JPS6286551U JP17969485U JP17969485U JPS6286551U JP S6286551 U JPS6286551 U JP S6286551U JP 17969485 U JP17969485 U JP 17969485U JP 17969485 U JP17969485 U JP 17969485U JP S6286551 U JPS6286551 U JP S6286551U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- signal
- tested
- plate
- transmission
- 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
- 239000000523 sample Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
第１図はこの考案の一実施例を示す超音波探傷
装置の構成図、第２図はこの考案による探傷装置
の主要部における出力波形を示す図、第３図は従
来の超音波探傷装置を示す図、第４図および第５
図は従来の探傷装置の主要部における出力波形図
である。
図において、１は被探傷板である鋼板、２は搬
送ローラー、３は鋼板の搬送方向、４は機構部、
５ａ及び５ｂは上部探触子保持機構及び下部探触
子保持機構、６ａ及び６ｂは上部探触子及び下部
探触子、９ａ及び９ｂは送受信回路、１０ａ及び
１０ｂはゲート回路、１１ａ及び１１ｂは判定回
路、１２は同期信号発生回路、１４は表示器、１
５ａ及び１５ｂは接触媒体である。なお各図中同
一符号は同一又は相当部分を示す。
Fig. 1 is a block diagram of an ultrasonic flaw detection device showing an embodiment of this invention, Fig. 2 is a diagram showing output waveforms of the main parts of the flaw detection device according to this invention, and Fig. 3 is a diagram showing a conventional ultrasonic flaw detection device. Figures 4 and 5
The figure is an output waveform diagram of the main parts of a conventional flaw detection device. In the figure, 1 is a steel plate to be tested, 2 is a conveyance roller, 3 is a conveyance direction of the steel plate, 4 is a mechanism section,
5a and 5b are an upper probe holding mechanism and a lower probe holding mechanism, 6a and 6b are an upper probe and a lower probe, 9a and 9b are transmitting/receiving circuits, 10a and 10b are gate circuits, 11a and 11b are Determination circuit; 12 is a synchronization signal generation circuit; 14 is a display; 1
5a and 15b are contact media. Note that the same reference numerals in each figure indicate the same or equivalent parts.
Claims (1)
同期信号発生回路から生じる同期信号に同期して
送信する送受信回路と、この送受信回路からの送
信信号を超音波信号に変換して、その超音波信号
を接触媒体を介して被探傷板の表面より入射し、
かつ上記被探傷板から反射された超音波信号を電
気信号に変換する超音波探触子と、前記超音波探
触子と同時に上記被探傷板の裏面より超音波信号
を入射し、同様に上記被探傷板から反射された超
音波信号を電気信号に変換する超音波探触子と、
上記２つの超音波探触子により得られた超音波信
号をそれぞれ受信する送受信回路とを備えた超音
波探傷装置において、上記被探傷板の表面より超
音波信号を入射する超音波探触子と、被探傷板の
裏面より超音波信号を入射する超音波探触子の相
対的位置を、上記超音波探触子の走査方向にずら
したことを特徴とする超音波探傷装置。 A synchronization signal generation circuit that generates a synchronization signal, a transmission and reception circuit that transmits in synchronization with the synchronization signal generated from the synchronization signal generation circuit, and a transmission and reception circuit that converts the transmission signal from this transmission and reception circuit into an ultrasonic signal and generates the ultrasonic signal. is incident from the surface of the plate to be tested through the contact medium,
and an ultrasonic probe that converts an ultrasonic signal reflected from the plate to be tested into an electric signal; an ultrasonic probe that converts the ultrasonic signal reflected from the plate to be tested into an electrical signal;
In an ultrasonic flaw detection apparatus comprising a transmitting/receiving circuit that receives ultrasonic signals obtained by the two ultrasonic probes, an ultrasonic probe that injects an ultrasonic signal from the surface of the plate to be tested; An ultrasonic flaw detection apparatus characterized in that the relative position of an ultrasonic probe that injects an ultrasonic signal from the back surface of a plate to be tested is shifted in the scanning direction of the ultrasonic probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17969485U JPS6286551U (en) | 1985-11-21 | 1985-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17969485U JPS6286551U (en) | 1985-11-21 | 1985-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6286551U true JPS6286551U (en) | 1987-06-02 |
Family
ID=31122976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17969485U Pending JPS6286551U (en) | 1985-11-21 | 1985-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6286551U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58211655A (en) * | 1982-06-04 | 1983-12-09 | Nippon Mining Co Ltd | Ultrasonic flaw detection |
-
1985
- 1985-11-21 JP JP17969485U patent/JPS6286551U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58211655A (en) * | 1982-06-04 | 1983-12-09 | Nippon Mining Co Ltd | Ultrasonic flaw detection |
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