CN101206813A - Virtual supersonic flaw detector and experimental platform for testing probe head performance - Google Patents
Virtual supersonic flaw detector and experimental platform for testing probe head performance Download PDFInfo
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Abstract
The invention provides a virtual ultrasonic flaw detector and probe performance testing experimental platform. The invention comprises a virtual hardware and a modular software which are used for experimental operation, wherein, the virtual hardware is mainly composed of an A type virtual ultrasonic flaw detector, a virtual ultrasonic probe, and a virtual testing block for flaw detecting, the performance index and the function index of each virtual hardware are identical with a real hardware; the modular software is mainly composed of a plurality of combinations which are mutually interlocked with the virtual hardware and are controlled by a mouse, and a serial of experiments which can be visually displayed and are designed according to the requirements of ultrasonic flaw detector and probe performance testing. The experiment platform solves the problem that the ultrasonic flaw detecting personnel can not perform the experimental operation training without ultrasonic flaw detector, without probe, and without testing block; users are only required to install the platform in an ordinary computer, the serial ultrasonic flaw detector and probe performance testing experimental operation can be performed in the scene greatly approximating to the real ultrasonic experimental environment, and thereby the invention has values of popularization and application.
Description
Technical field
The present invention relates to the computer virtual reality technology field, particularly relate to a kind of virtual supersonic flaw detector that is used for the Non-Destructive Testing training and the experiment porch of testing probe head performance.
Background technology
Non-Destructive Testing is an emerging comprehensive application technology science, is the basis and the assurance of setting up modern industry, is referred to as meaning " industrial doctor " by image.Ultrasound examination can detect the workpiece inherent vice delicately because of it, and to the radiationless pollution of environment, to plurality of advantages such as test material are unrestricted, have wide range of applications, becomes current industrial product quality control and the most important means of production run safety supervision.But ultrasound wave is also invisible because of its communication process in workpiece inside, grasps Ultrasonic Detection theory and practice operative skill to the practitioner and is provided with very big obstacle; And the material of all kinds of workpiece and complex structure, the shape of defective, size, position and direction thousand differ from ten thousand changes, make practitioner's defect recognition signal difficulty more.It is very in short supply that these bottlenecks cause present China to hold Ultrasonic Detection personnel intermediate and above vocational certificate, and potential safety hazard is often disturbed China people's normal life.To improve and train Ultrasonic Detection personnel's technical merit energetically, except instrument and various probe are provided, the simulation test block and the counselor that also need have various reflecting bodys (defective), therefore, be necessary to develop a kind of novel " virtual supersonic flaw detector and the experimental platform for testing probe head performance " that be used for the Non-Destructive Testing training based on virtual technology.
Its essence of virtual reality technology is objective things a kind of The Realization of Simulation on computers.At present, virtual reality system mainly shows among engineering, scientific research and the educational training along with development is applied to every field just gradually.Virtual training is one of important application of virtual reality technology (asking for an interview list of references 1).
The research of virtual Ultrasonic Detection is related generally to the effect simulation of ultrasonic sound field distribution, sound field and each defect body in the different structure material abroad, calculate simulation as the sound field in sandwich, the austenite material, and echo prediction and imaging, mainly contain: (one) is used for the detection characteristic research of labyrinth and material, for explaining and the analyzing and testing result provides instrument, help is to the understanding of testing result and distinguish; (2) feasibility of checking method of detection and technology is determined its limitation, and certain method of detection is assessed, especially use in the nuclear power station more, to help to formulate defects detecting technology; Design and optimization is carried out in existing method of detection, and it is medium especially to be applied in the phased array method; Probe designs etc. (asking for an interview list of references 2 and 3).
China also has many researchers to carry out the modeling effort of Ultrasonic Detection.People such as Zhang Weizhi, iron and steel utilizes transonic principle and geometrical optics simplified model, has developed Ultrasonic Detection analytical calculation and analog simulation software based on VB, has realized the simulation (asking for an interview list of references 4) in transonic path.People such as Ma Yongguang, Liu Yuliang is from the sound wave theory, with the single step tracing Ultrasonic Detection process has been carried out computer simulation, realize ultrasound wave visual (asking for an interview list of references 5) of communication process in media environment, but these researchs are used for Spectrum Analysis just.Domestic research only only limits to structural member and detects research such as property prediction and characterization processes design and use, though the animation simulation of multimedia training to Ultrasonic Detection mechanism and process also arranged, can be used for the virtual supersonic flaw detector of real interactivity operation and experimental platform for testing probe head performance and study carefully and yet there are no report.
Not appearing in the newspapers both at home and abroad has the virtual supersonic flaw detector of carrying out and experimental platform for testing probe head performance.
Summary of the invention
Technical matters to be solved by this invention is: utilize LabVIEW (laboratory Virtual Instrument Development instrument) to develop a cover on computers with the be mutually related experiment porch of virtual supersonic flaw detector and testing probe head performance of UT (Ultrasonic Testing) instrument, probe, test block, to help the trainee on the spot in person on computers, carry out analog ultrasonic wave flaw detection operation, understand and grasp the key points for operation of instrument and probe all-round property testing.
The present invention solves its technical matters by following technical scheme: comprise being used to test training required virtual hardware and module software.Wherein: virtual hardware mainly is made of virtual A-mode ultrasonic wave inspection instrument, virtual ultrasonic probe and virtual test block, virtual ultrasonic probe is moved in virtual test block by mouse control, and virtual ultrasonic probe just excites a simulate signal to pass on the virtual supersonic flaw detector by data channel to show when sound wave runs into reflecting body; Module software mainly by mouse control to the multiple combination of being mutually related of described virtual hardware, and require designed serial experiment according to ultra-sonic defect detector and probe all-round property testing with visual representing.
The experiment porch of virtual supersonic flaw detector provided by the invention and testing probe head performance (hereinafter to be referred as experiment porch) compared with prior art has following major advantage:
The core and the innovative point of this experiment porch are: allow the trainee under the situation that does not have real reflectoscope, probe, test block and teacher (because of the decision of ultrasonic propagation invisibility), by computing machine and the present invention, carry out ultra-sonic defect detector and the training of probe all-round property testing experimental implementation; Understand and grasp the performance and the use of A-mode ultrasonic wave inspection instrument, the waveform characteristics and the use of three kinds of probes, the characteristics and the purposes of reference block, reference block and simulation test block.The trainee uses click virtual (the CTS-22 pattern is intended defectoscope) knob or button (HS510 digital flaw detector), can adjust and show the state of defectoscope, can also control virtual probe moving and scanning in virtual test block with mouse, Real Time Observation is to the propagation law of acoustic beam, variation on various reflecting interfaces, and corresponding with it the defectoscope signal amplitude and the position that show.
The invention solves the Ultrasonic Detection trainee under the situation that does not have reflectoscope, probe, test block and teacher to instruct, the problem of the operation training that can not experimentize.The degree of association between the constructed instrument by mouse control, probe and the test block of this experiment porch has determined it powerful interactive, determined the self-study that it is good by the corresponding relation between acoustic beam, reflecting body and the echoed signal of visual representing, only needing to install in common computer this platform can carry out serial Ultrasonic Detection experiment training and determined the economy that it is considerable to have application value especially.
Description of drawings
Fig. 1 is an experiment porch frame diagram of the present invention.
Fig. 2 is the realization figure of each experiment module.
Fig. 3 is that sound wave is propagated visualization model figure in workpiece.
Fig. 4 is the function module figure that sound wave and reflecting body interaction produce waveform signal.
The module map that Fig. 5 moves for the virtual ultrasonic probe of mouse control.
Embodiment
The invention discloses a cover virtual supersonic flaw detector and an experimental platform for testing probe head performance that utilizes the LabVIEW software development, virtual ultra-sonic defect detector (CTS-22 type analog meter and HS510 digital instrument), virtual ultrasonic probe (compressional wave normal probe, transverse wave double-bevel detector and surface wave angle probe probe) and virtual test block (reference block, reference block and simulation test block) performance index are identical with the real hardware of functional parameter and its, can control the function and the state (meeting true experiment) of described virtual hardware with mouse, corresponding to related by the ultrasonic propagation rule between the virtual hardware, the virtual ultra-sonic defect detector of this experiment porch is consistent with testing probe head performance experimentation and actual experiment process.
The invention will be further described below in conjunction with embodiment and accompanying drawing, but do not limit the present invention.
One. the framework of whole experiment porch (referring to Fig. 1)
Comprise and be used to test training required virtual hardware and module software.Wherein: virtual hardware mainly is made of virtual A-mode ultrasonic wave inspection instrument, virtual ultrasonic probe and virtual test block, virtual ultrasonic probe is moved in virtual test block by mouse control, and virtual ultrasonic probe just excites a simulate signal to pass on the virtual supersonic flaw detector by data channel to show when sound wave runs into reflecting body; The performance index of each virtual hardware are identical with real hardware with functional parameter.Module software mainly by mouse control to the multiple combination of being mutually related of described virtual hardware, and require designed serial experiment according to ultra-sonic defect detector and probe all-round property testing with visual representing.
The main serial experiment according to " ultra-sonic defect detector and testing probe head performance " of described module software requires design programming, realized with mouse the function of described virtual hardware and the control and the adjustment of state (meeting true experiment), visual representing related corresponding relation (meeting the ultrasonic propagation rule) between the virtual hardware.
Described virtual A type ultra-sonic defect detector comprises CTS-22 pattern plan defectoscope that is provided with virtual turn-knob and the HS510 type digital flaw detector that is provided with virtual key, they use mouse control respectively, wherein, adjust virtual CTS-22 pattern with the virtual turn-knob of mouse control and intend the defectoscope state, adjust virtual HS510 digital instrument state with the mouse control virtual key.
Described virtual ultrasonic probe comprises virtual compressional wave normal probe, transverse wave double-bevel detector and surface wave angle probe, in the experimentation they move and scanning by mouse control, and the communication process of different sound waves in workpiece that the variety classes probe is launched be presented in the trainee.Wherein: virtual normal probe can be done the experiment that the compressional wave scanning ratio is regulated, vertical linearity is tested, horizontal linearity is tested, the blind area is measured, resolving power is measured, surplus sensitivity is measured.Virtual transverse wave double-bevel detector is done the incidence point of probe and the experiment that K pH-value determination pH, shear wave scanning ratio are regulated.Virtual surface wave angle probe can be done the experiment that the surface wave scanning ratio is transferred.
The virtual flaw detection test block of described experiment porch comprises virtual UT (Ultrasonic Testing) reference block, reference block and simulation test block, and different test blocks contain different reflecting bodys and reflecting interface, satisfy the requirement of serial experiment in the described experiment porch.
Two. the structure of virtual hardware
Virtual reflectoscope (CTS-22 type analog meter and HS510 digital instrument) is mainly by a virtual waveform display, and several virtual knob or buttons with difference in functionality (as gain, decay, pulse displacement, scanning range etc.) are formed; The realization of knob (button) function mainly is to realize by the waveform signal in the data passage being carried out mathematics manipulation.Virtual ultrasonic probe (compressional wave normal probe, transverse wave double-bevel detector and surface wave angle probe probe) mainly is to be made of the picture of ultrasonic probe and the data channel of probe transmitted waveform signal.Virtual test block (reference block, reference block and simulation test block) mainly is made of the test block picture.
Two. the structure of each experiment module
The agent structure of each experiment all is bipartite, and as shown in Figure 2: the visual module of sound wave communication process in workpiece and sound wave and reflecting body interact and produce the function module of waveform signal.The coordinate of mouse makes shape, length and the position of control wave beam in the visualization model of sound wave communication process in workpiece as parameter, and controls virtual ultrasonic probe exciting simulate signal.Each experiment content all is according to the ultra-sonic defect detector of reality and testing probe head performance experimental procedure editor, is provided with different virtual ultrasonic probe and workpiece, and different operation indicatings and operation knob.
Three. sound wave is propagated the structure of visualization model in workpiece
As shown in Figure 3: realize acoustic beam visual in test block by draw arc in virtual test block, draw the visual function decision with reflecting body of parameter value (length and angle) in the arc by acoustic beam.Utilize the mouse attribute to obtain the coordinate of mouse, utilize the coordinate of mouse to edit out the visual function with reflecting body of acoustic beam then, the coordinate of mouse is an independent variable in this function, and the length of acoustic beam and angle are functional value, and functional relation is according to the propagation law editor of sound wave in test block.The propagation law of sound wave in test block is: sound wave is along rectilinear propagation, and carrying out direct reflection at reflecting surface is that reflection angle equals incident angle; The velocity of propagation of the sound wave that normal probe inspires in test block is at 5900m/s, and the velocity of propagation of the sound wave that angle probe inspires in test block is at 3200m/s.
Four. sound wave and reflecting body interact and produce the function module of waveform signal
As shown in Figure 4: editor's sound wave and reflecting body interact and produce the echoed signal function, when acoustic beam is met reflecting body, virtual ultrasonic probe just inspires a simulation waveform signal, and waveform signal is transferred on the virtual defectoscope by data channel and shows.The coordinate of virtual ultrasonic probe is as the variable of this function, and functional value is the wave amplitude and the waveform of waveform signal, and functional relation is to obtain according to the propagation law (wave amplitude and sound path are inversely proportional to, and are directly proportional with defect reflection face size) of sound wave in test block.
Five. the structure of the module that the virtual ultrasonic probe of mouse control moves
As shown in Figure 5: the position of virtual ultrasonic probe picture is controlled by additive operation in the position of test block picture and the coordinate of mouse, thereby realize function with the ultrasonic probe of mouse mobile virtual.At first utilize test block picture position in the attribute node to obtain the coordinate of picture, utilize mouse characteristic in the attribute node to obtain the coordinate of mouse then, two coordinates are carried out result that addition draws give coordinate into virtual ultrasonic probe picture, because the coordinate of test block remains unchanged, the coordinate of virtual ultrasonic probe also changes thereupon when mouse moves, thereby has realized the function that the virtual ultrasonic probe of mouse control moves.
List of references:
1. Jiang Xue intelligence, Li Zhonghua; The present Research [J] of domestic and international virtual reality technology; Liaoning Project Technology University's journal, 2004 (4): 238-240.
2.Niklasson?AI.Ultrasonic?three-dimensional?Probe?modeling?in?anisotropic[J].Journal?of?the?acoustical?Society?of?America，1998，103(5)：2432-2442。
3.Bucci?G.Numerical?method?for?transit?time?measurement?in?ultrasonic?sensorapplications[J].IEEE?transactions?on?Instrumentation?and?Measurement，1997，46(6)：1241-1246。
4. open big will, firm iron, Wang Jun; The ultrasound examination computer mould fits the research of emulation and uses present situation [J]; Applied acoustics, 2003, (3): 39-44.
5. horse light forever, Liu Liangyu, Wu Bo; The computer simulation of Ultrasonic Nondestructive [J]; North China Electric Power University's newspaper, 2002, (3): 98-101.
Claims (8)
1. the experiment porch of virtual supersonic flaw detector and testing probe head performance, comprise and be used for required virtual hardware of experimental implementation and module software, it is characterized in that virtual hardware mainly is made of virtual A-mode ultrasonic wave inspection instrument, virtual ultrasonic probe and virtual test block, virtual ultrasonic probe is moved in virtual test block by mouse control, and virtual ultrasonic probe just excites a simulate signal to pass on the virtual supersonic flaw detector by data channel to show when sound wave runs into reflecting body; Module software mainly by mouse control to the multiple combination of being mutually related of described virtual hardware, and require designed serial experiment with visual representing, foundation " ultra-sonic defect detector and testing probe head performance ".
2. experiment porch according to claim 1, it is characterized in that: virtual A type ultra-sonic defect detector comprises virtual CTS-22 pattern plan defectoscope that is provided with virtual turn-knob and the virtual HS510 type digital flaw detector that is provided with virtual key, they use mouse control respectively, wherein, adjust and control the analog meter state with the virtual turn-knob of mouse control, adjust and control figure instrument state with the mouse control virtual key.
3. experiment porch according to claim 1, it is characterized in that: virtual ultrasonic probe comprises virtual compressional wave normal probe, transverse wave double-bevel detector and surface wave angle probe, in the experimentation they move and scanning by mouse control, and the communication process of different sound waves in workpiece that the variety classes probe is launched be presented in the trainee.
4. experiment porch according to claim 1, it is characterized in that: virtual test block comprises virtual UT (Ultrasonic Testing) reference block, reference block and simulation test block, different test blocks contain different reflecting bodys and reflecting interface, satisfy the requirement of serial experiment in the experiment porch.
5. according to claim 1 or 3 or 4 described experiment porchs, it is characterized in that: described serial experiment is the experiment of corresponding relation mutually between acoustic beam, reflecting body and echoed signal with visual representing.
6. experiment porch according to claim 5 is characterized in that: described serial experiment comprises with virtual normal probe does the adjusting of compressional wave scanning ratio, vertical linearity test, horizontal linearity test, blind area mensuration, resolving power mensuration, surplus sensitivity mensuration.
7. experiment porch according to claim 5 is characterized in that: described serial experiment comprises with virtual transverse wave double-bevel detector does the incidence point of probe and K pH-value determination pH, shear wave scanning ratio are regulated.
8. experiment porch according to claim 5 is characterized in that: described serial experiment comprises with virtual surface wave angle probe does the experiment that the surface wave scanning ratio is transferred.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102662000A (en) * | 2012-05-23 | 2012-09-12 | 无锡化工装备有限公司（原无锡化工装备总厂) | Ultrasonic flaw detection method for computer-assisted examination |
| CN107703213A (en) * | 2017-09-29 | 2018-02-16 | 北京欧宁航宇检测技术有限公司 | Full automatic multiple parameter measuring system and its measuring method for assessment of popping one's head in |
| CN108918687A (en) * | 2018-05-18 | 2018-11-30 | 北京科安特无损检测公司 | The test method of A type pulse reflection digital ultrasound detection system horizontal linearity |
| CN108961903A (en) * | 2018-08-01 | 2018-12-07 | 刘宇齐 | Industrial X-ray defectoscope analogy method suitable for multi-operation mode selection |
| CN109549665A (en) * | 2018-11-15 | 2019-04-02 | 青岛海信医疗设备股份有限公司 | A kind of ultrasonic device detection system |
| CN111710207A (en) * | 2017-12-19 | 2020-09-25 | 无锡祥生医疗科技股份有限公司 | Ultrasonic demonstration device and system |
| CN112712740A (en) * | 2020-12-15 | 2021-04-27 | 中国铁路北京局集团有限公司唐山工务段 | Steel rail ultrasonic flaw detection simulation method and device |
| CN113834878A (en) * | 2021-08-18 | 2021-12-24 | 华电电力科学研究院有限公司 | Special test block and method for measuring horizontal linearity of combination of transverse wave angle probe and digital ultrasonic flaw detector |
| CN114067630A (en) * | 2021-10-29 | 2022-02-18 | 株洲时代电子技术有限公司 | Simulation operation method of steel rail flaw detection vehicle |
| CN114113343A (en) * | 2020-09-01 | 2022-03-01 | 云南缔邦检测有限公司 | Railway contact net operation vehicle axle detection block and detection method thereof |
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2007
- 2007-12-13 CN CNA2007101688803A patent/CN101206813A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662000A (en) * | 2012-05-23 | 2012-09-12 | 无锡化工装备有限公司（原无锡化工装备总厂) | Ultrasonic flaw detection method for computer-assisted examination |
| CN107703213A (en) * | 2017-09-29 | 2018-02-16 | 北京欧宁航宇检测技术有限公司 | Full automatic multiple parameter measuring system and its measuring method for assessment of popping one's head in |
| CN111710207A (en) * | 2017-12-19 | 2020-09-25 | 无锡祥生医疗科技股份有限公司 | Ultrasonic demonstration device and system |
| CN108918687A (en) * | 2018-05-18 | 2018-11-30 | 北京科安特无损检测公司 | The test method of A type pulse reflection digital ultrasound detection system horizontal linearity |
| CN108961903A (en) * | 2018-08-01 | 2018-12-07 | 刘宇齐 | Industrial X-ray defectoscope analogy method suitable for multi-operation mode selection |
| CN109549665A (en) * | 2018-11-15 | 2019-04-02 | 青岛海信医疗设备股份有限公司 | A kind of ultrasonic device detection system |
| CN109549665B (en) * | 2018-11-15 | 2021-06-22 | 青岛海信医疗设备股份有限公司 | Ultrasonic equipment detection system |
| CN114113343A (en) * | 2020-09-01 | 2022-03-01 | 云南缔邦检测有限公司 | Railway contact net operation vehicle axle detection block and detection method thereof |
| CN112712740A (en) * | 2020-12-15 | 2021-04-27 | 中国铁路北京局集团有限公司唐山工务段 | Steel rail ultrasonic flaw detection simulation method and device |
| CN113834878A (en) * | 2021-08-18 | 2021-12-24 | 华电电力科学研究院有限公司 | Special test block and method for measuring horizontal linearity of combination of transverse wave angle probe and digital ultrasonic flaw detector |
| CN113834878B (en) * | 2021-08-18 | 2023-06-16 | 华电电力科学研究院有限公司 | Special test block and method for measuring horizontal linearity of combination of transverse wave oblique probe and digital ultrasonic flaw detector |
| CN114067630A (en) * | 2021-10-29 | 2022-02-18 | 株洲时代电子技术有限公司 | Simulation operation method of steel rail flaw detection vehicle |
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