CN203259503U - Ultrasonic transit time measurement system for lesion detection - Google Patents
Ultrasonic transit time measurement system for lesion detection Download PDFInfo
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- CN203259503U CN203259503U CN 201320306636 CN201320306636U CN203259503U CN 203259503 U CN203259503 U CN 203259503U CN 201320306636 CN201320306636 CN 201320306636 CN 201320306636 U CN201320306636 U CN 201320306636U CN 203259503 U CN203259503 U CN 203259503U
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000005259 measurement Methods 0.000 title abstract description 9
- 230000003902 lesion Effects 0.000 title 1
- 230000005284 excitation Effects 0.000 claims abstract description 19
- 238000005086 pumping Methods 0.000 claims description 11
- 230000004807 localization Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 5
- 230000006378 damage Effects 0.000 abstract description 2
- 230000007704 transition Effects 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010061245 Internal injury Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012517 data analytics Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses an ultrasonic wave time of flight measurement system for damage is surveyed, it includes the computer, excitation signal generator, the excitation signal amplifier, signal multiplexer, signal amplifier and data detection display module and ultrasonic transmitter and ultrasonic receiver, the computer is connected with excitation signal generator, excitation signal generator's signal output part is connected with excitation signal amplifier's signal input part, excitation signal amplifier's signal output part is connected to ultrasonic transmitter, ultrasonic receiver is connected with signal multiplexer's signal input part, signal multiplexer's signal output part is connected with signal amplifier's signal input part, signal amplifier's signal output part is connected with data detection display module. The utility model discloses not only can come the quick accurate detection to the testee through the ultrasonic wave transit time through the testee, can provide the high resolution of waveform image moreover and show.
Description
Technical field
The utility model relates to a kind of ultrasonic time of flight measuring system for fault localization.
Background technology
At present, so-called ultrasonic time of flight refers to that ultrasound wave is issued to ultrasonic receiver from transmitter and receives the time interval that sound wave experiences, ultrasonic transmitter or title ultrasound wave emitting head and ultrasonic receiver or title ultrasound wave Receiver are referred to as ultrasonic transducer, and the Measurement accuracy ultrasonic time of flight has very important significance to ultrasound wave thermometric, range finding, velocity measurement flow and flaw detection etc.Ultrasonic transition time parameter is the basic data that ultrasonic signal is analyzed, and has a wide range of applications in the Non-Destructive Testing industry, and along with the requirement of accuracy of detection is more and more higher, Measurement accuracy and the scientific measurement of transition time parameter are more and more important.As detect at concrete inner structure, the preprosthetic damage judgement of timber cultural assets, when the steel internal soundness detects, transition time parameter is a significant data analytic target, shows that accurately ultrasonic time of flight is the target of pursuing at present.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of ultrasonic time of flight measuring system for fault localization is provided, it not only can detect testee fast and accurately by the hyperacoustic transit time through testee, and can provide the high resolving power of waveform image to show, clearly measure ultrasonic time of flight.
The utility model solves the problems of the technologies described above the technical scheme of taking: a kind of ultrasonic time of flight measuring system for fault localization, it comprises computing machine, excitation signal generator, the pumping signal amplifier, the signal traffic pilot, signal amplifier and Data Detection display module and the ultrasonic transmitter and the ultrasonic receiver that are arranged on the testee both sides, computing machine is connected with the signal input part of excitation signal generator, the signal output part of excitation signal generator is connected with the signal input part of pumping signal amplifier, the signal output part of pumping signal amplifier is connected to ultrasonic transmitter, ultrasonic receiver is connected with the signal input part of signal traffic pilot, the signal output part of signal traffic pilot is connected with the signal input part of signal amplifier, and the signal output part of signal amplifier is connected with the Data Detection display module.
Further, described Data Detection display module comprises the data that are connected successively temporary module, A/D converter and wave test module, and the temporary module of data is connected with the signal output part of described signal amplifier.
After having adopted technique scheme, the utility model produces excitation pulse signal by the computer control excitation signal generator, then the excitation ultrasonic transmitter sends ultrasonic signal after being amplified by the pumping signal amplifier, testee is detected, then through receiving detection signal and demonstrate clearly image information by the Data Detection display module after signal traffic pilot and the signal amplifier amplification processing, so just realized that the Quick Measurement ultrasonic time of flight is used for showing the internal injury situation of testee, data working storage in the data monitoring display module can directly be stored in detection signal in the computing machine, being convenient to computing machine calls, improve detection and the efficient of detection system, this measuring system can realize grouping mea-sure based on testee center angle simultaneously, satisfy the needs of measurement data fractional analysis, the piecewise analysis of being convenient to detect, also can satisfy the interpolation of the transition time parameter implementation data of group-based measurement, be convenient to further improve the image quality of image reconstruction, realize high resolution image reconstruction.
Description of drawings
Fig. 1 is the theory diagram of the ultrasonic time of flight measuring system for fault localization of the present utility model.
Embodiment
Content of the present utility model is easier to be expressly understood in order to make, and the below is described in further detail the utility model according to specific embodiment also by reference to the accompanying drawings.
As shown in Figure 1, a kind of ultrasonic time of flight measuring system for fault localization, it comprises computing machine, excitation signal generator, the pumping signal amplifier, the signal traffic pilot, signal amplifier and Data Detection display module and the ultrasonic transmitter and the ultrasonic receiver that are arranged on the testee both sides, computing machine is connected with the signal input part of excitation signal generator, the signal output part of excitation signal generator is connected with the signal input part of pumping signal amplifier, the signal output part of pumping signal amplifier is connected to ultrasonic transmitter, ultrasonic receiver is connected with the signal input part of signal traffic pilot, the signal output part of signal traffic pilot is connected with the signal input part of signal amplifier, and the signal output part of signal amplifier is connected with the Data Detection display module.The Data Detection display module comprises the data that are connected successively temporary module, A/D converter and wave test module, and the temporary module of data is connected with the signal output part of described signal amplifier.
Excitation signal generator can be AWG (Arbitrary Waveform Generator), except producing some detection waveform commonly used, outside sine wave, square wave, sawtooth wave and Gauss pulse ripple etc., can also export as the system incentive waveform with the various complicated wave forms of VC++ or Matlab program editing, maximum digital-to-analogue inversion frequency can reach 50MHz.
The output voltage that the pumping signal amplifier can provide maximum can reach 200V in the operating frequency range of 0～20MHz can satisfy the test experience requirement.
Two ultrasonic transducers are as one group, according to one transmit, mode that one receives signal scans detection.
In order to obtain detection signal by a larger margin, behind ultrasonic receiver, add again a signal amplifier, detection signal is amplified, this amplifier can amplify signal about 20 times in 100Hz～10MHz frequency range, can satisfy sampling request.
The Data Detection display module of acquisition testing data can be digital oscilloscope, its the highest sample frequency can reach 2.5GHz, can gather 10k sampled point at every turn, and it can directly communicate by GPIB and computing machine, sampled data is inputted in the computing machine, carried out various data and process and imaging.
Above-described specific embodiment; technical matters, technical scheme and beneficial effect to solution of the present utility model further describe; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. ultrasonic time of flight measuring system that is used for fault localization, it is characterized in that: it comprises computing machine, excitation signal generator, the pumping signal amplifier, the signal traffic pilot, signal amplifier and Data Detection display module and the ultrasonic transmitter and the ultrasonic receiver that are arranged on the testee both sides, computing machine is connected with the signal input part of excitation signal generator, the signal output part of excitation signal generator is connected with the signal input part of pumping signal amplifier, the signal output part of pumping signal amplifier is connected to ultrasonic transmitter, ultrasonic receiver is connected with the signal input part of signal traffic pilot, the signal output part of signal traffic pilot is connected with the signal input part of signal amplifier, and the signal output part of signal amplifier is connected with the Data Detection display module.
2. the ultrasonic time of flight measuring system for fault localization according to claim 1, it is characterized in that: described Data Detection display module comprises the data that are connected successively temporary module, A/D converter and wave test module, and the temporary module of data is connected with the signal output part of described signal amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320306636 CN203259503U (en) | 2013-05-30 | 2013-05-30 | Ultrasonic transit time measurement system for lesion detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320306636 CN203259503U (en) | 2013-05-30 | 2013-05-30 | Ultrasonic transit time measurement system for lesion detection |
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| CN203259503U true CN203259503U (en) | 2013-10-30 |
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| CN 201320306636 Expired - Fee Related CN203259503U (en) | 2013-05-30 | 2013-05-30 | Ultrasonic transit time measurement system for lesion detection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743820A (en) * | 2014-02-28 | 2014-04-23 | 江苏理工学院 | Concrete column quality ultrasonic detection device and method based on global transit time parameter |
| CN104391043A (en) * | 2014-12-10 | 2015-03-04 | 哈尔滨理工大学 | Device for ultrasonically detecting creep ratio of vermicular graphite cast iron with any size and using method of device |
| CN110836927A (en) * | 2019-11-27 | 2020-02-25 | 复旦大学 | Nonlinear ultrasonic guided wave detection system and method based on PWM coded excitation |
| CN114324608A (en) * | 2021-12-31 | 2022-04-12 | 中广核检测技术有限公司 | Full-digital nonlinear detection device and method |
-
2013
- 2013-05-30 CN CN 201320306636 patent/CN203259503U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743820A (en) * | 2014-02-28 | 2014-04-23 | 江苏理工学院 | Concrete column quality ultrasonic detection device and method based on global transit time parameter |
| CN103743820B (en) * | 2014-02-28 | 2016-08-17 | 江苏理工学院 | Concrete column quality ultrasonic detection device and method based on global transit time parameter |
| CN104391043A (en) * | 2014-12-10 | 2015-03-04 | 哈尔滨理工大学 | Device for ultrasonically detecting creep ratio of vermicular graphite cast iron with any size and using method of device |
| CN110836927A (en) * | 2019-11-27 | 2020-02-25 | 复旦大学 | Nonlinear ultrasonic guided wave detection system and method based on PWM coded excitation |
| CN110836927B (en) * | 2019-11-27 | 2022-07-12 | 复旦大学 | Nonlinear ultrasonic guided wave detection system and method based on PWM coded excitation |
| CN114324608A (en) * | 2021-12-31 | 2022-04-12 | 中广核检测技术有限公司 | Full-digital nonlinear detection device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20150530 |
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| EXPY | Termination of patent right or utility model |