Monocular vision three-D ultrasonic nondestructive detection system and detection method
Technical field
The present invention relates to the novel three-dimensional ultrasonic nondestructive testing to complex-curved form workpiece, and in particular to Yi Zhongdan
Visually feel three-D ultrasonic nondestructive detection system, Non-Destructive Testing result is corresponded with the theoretical digital-to-analogue of examined workpiece, realize lossless
Testing result three-dimensional visualization, belongs to nondestructive detection system field.
Background technology
With the continuous improvement of industrial automation level, mechanical structure processing technology is also constantly improving, irregular free
Curved-surface structure is widely applied in every field, and corresponding Non-Destructive Testing work encounters new technological challenge.Traditional
During Ultrasonic NDT, in order to more accurately be detected to structural test piece, generally ultrasonic probe is fixed on different
On two-dimentional scanner, the numerical value that encoder is read respectively obtains the defect situation of institute's detection zone, after detection to be done, by defect
The positioning of position is given in the form of marking pen to be marked.For different structural members, it is necessary to be equipped with different scanning equipments to protect
The integrality of measurement data is demonstrate,proved, and because the setting of scanning equipment also causes Ultrasonic NDT result to have been limited to X-Y scheme
As display.For large-sized structural parts, it will usually which the corresponding mechanical hand-motion ultrasonic probe of design detects that system is huge to it
Greatly, it is not portable.With continuing to develop for ultrasonic non-destructive inspection techniques, testing result can carry out later stage spelling by software analysis
Connect, show the relative position information of defect.But this defect location mode largely relies on the work of testing staff
Make experience, there is very big position error, it is impossible to be accurately determined the position of defect.Moreover, with regard to ultrasonic nondestructive testing
Speech, when part curvature is changed greatly, structure is complex, being designed and manufactured as of ultrasonic scan device originally will significantly carry
Height, but detection Reachability question can not still be improved.
Non-Destructive Testing work is technique composition essential in the various fields such as Aeronautics and Astronautics, railway, automobile and ship
Part, Ultrasonic NDT is then the most ripe, reliably quality testing and control device in field of non destructive testing, and different necks
The appearance of various large complicated carved structures in domain, which makes their Non-Destructive Testing work, becomes problem.
The content of the invention
The present invention provides a kind of large complicated carved structural member monocular vision three-D ultrasonic nondestructive detection system, for difference
Various complex-curved structural members in field carry out three-D ultrasonic Non-Destructive Testing work, breach the limitation of conventional two-dimensional ultrasound
Property, while ensureing measurement accuracy, improve detection efficiency.Complex-curved structural member monocular vision three-D ultrasonic nondestructive detection system knot
The technical advantage of conventional ultrasound Non-Destructive Testing and the high accuracy positioning and collimation technique of light pen monocular coordinate measuring system have been closed,
Make nondestructive detection system lighter, more accurate, more ripe, more reliable, can apply to the lossless of large complicated carved structural member
Detection field.
The purpose of the present invention is realized by following scheme:
A kind of monocular vision three-D ultrasonic nondestructive detection system, including monocular vision measuring system, ultrasonic phase array probe
Reflectance target and ultrasonic nondestructive testing composition, monocular vision measuring system are made up of camera support and CCD high-speed cameras;
Ultrasonic nondestructive testing is made up of senior vortex, ultrasonic phase array host computer system and processing system work station;CCD high-speed cameras
Machine is fixed on camera support and CCD high-speed cameras are connected with processing system work station by data wire, CCD high-speed cameras
The position real-time Transmission between ultrasonic conventional phased array probe reflectance target and measured workpiece is obtained in real time to work station, will be detected
To positional information correspond to the design theory digital-to-analogue of Workpiece structure;It is senior vortex, ultrasonic phase array host computer system with
Ultrasonic phase array probe reflectance target is connected by data line, and ultrasonic testing results are shown in real time;Senior vortex, ultrasonic phase
Control battle array host computer system is connected by netting twine with processing system work station, realizes the function of real-time transmission data,;After being measured,
Select detection image result to be restored to one by one under the theory three-dimensional digital-to-analogue of workpiece in ultrasonic testing results, carry out Non-Destructive Testing number
According to splicing, the Ultrasonic NDT data three-dimensional visual based on workpiece digital-to-analogue is realized.
A kind of described monocular vision three-D ultrasonic nondestructive detection system, wherein, ultrasonic phase array probe reflectance target is
Ultrasonic conventional phased array probe reflectance target or ultrasonic wheel phased array probe reflectance target.
A kind of described monocular vision three-D ultrasonic nondestructive detection system, wherein, ultrasonic conventional phased array probe reflection mesh
Mark includes superhigh brightness LED formula light pen, conventional transducer light pen link, the ultrasonic lossless inspection of 64 chip conventional phased array
Probing head, ultrasonic probe voussoir, a position coder;Superhigh brightness LED formula light pen is fixed on conventional transducer light pen
Link one end, the conventional transducer light pen link other end is connected with ultrasonic probe voussoir, and ultrasonic 64 chip is routinely phased
Battle array non-destructive control probe is fixed under the pretightning force of conventional transducer light pen link and ultrasonic probe voussoir, a position coder
Installed in ultrasonic probe voussoir side.
A kind of described monocular vision three-D ultrasonic nondestructive detection system, wherein, ultrasonic wheel phased array probe reflection mesh
Mark includes high reflection target identification point type light pen, laser guidance device, stepping clicker button, wheel seach unit handle, No. two positions
Put encoder, encoder fifth wheel, transparent tire material roller and wheel seach unit light pen link;Laser guidance device and stepping
Clicker button is arranged at wheel seach unit handle front end, and high reflection target identification point type light pen passes through wheel with wheel seach unit handle
Formula probe light pen link connection;Transparent tire material roller and encoder fifth wheel are each attached on bearing support, and ensure to compile
Code device fifth wheel is contacted with transparent tire material roller with measured workpiece, and bearing support is connected with wheel seach unit handle, and position is compiled
Code device is contacted with encoder fifth wheel.
Present invention simultaneously provides a kind of detection method of monocular vision three-D ultrasonic nondestructive detection system, including following step
Suddenly:
Step one:CCD high-speed cameras are installed, measured workpiece and reflectance target are placed on regarding for CCD high-speed cameras
In the range of;
Step 2:CCD high-speed cameras are connected with processing system work station by data wire, senior vortex, ultrasonic phase
Control battle array host computer system is connected with ultrasonic phase array probe reflectance target by data line, senior vortex, ultrasonic phase array master
Machine system is connected by netting twine with processing system work station;
Step 3:The senior vortex of connection, ultrasonic phase array host computer system and processing system work station is respectively started;
Step 4:Light pen in reflectance target of being popped one's head in ultrasonic phase array is demarcated, and is obtained in light pen between pip
Position relationship;By light pen linking probe, the characteristic point on measured workpiece is detected, then is aligned to by characteristic point tested
Under the theoretical digital-to-analogue of workpiece;
Step 5:Light pen is connected with ultrasonic probe, ultrasonic phase array probe reflectance target is installed, by CCD high-speed cameras
Machine measures the target pip on light pen, and then obtains the accurate location information that ultrasonic probe measures measured workpiece;
Step 6:Hand-held ultrasound phased array probe reflectance target carries out scanning measurement test on measured workpiece and path is pre-
If, it is ensured that visibility of the hand-held ultrasound phased array probe reflectance target in CCD high-speed cameras reaches 98%;
Step 7:Scanning measurement is carried out to curved surface measured workpiece according to preset path, testing result is uploaded to system work
In standing, meanwhile, CCD high-speed cameras measure the position relationship between light pen and measured workpiece in real time, and transmit to processing system
In system work station;
Step 8:Non-Destructive Testing result is restored under the theoretical digital-to-analogue of measured workpiece by processing system work station, will be detected
As a result image mosaic is carried out, and shows result, the Ultrasonic NDT visualization based on cube theory digital-to-analogue is realized.
System main operational principle is:Light pen monocular system is demarcated first, it is therefore an objective to obtain light pen reflection mesh
The position relationship of distributed point is marked, the influence of camera imaging quality is reduced;Light pen is connected with ultrasonic probe;Then, it is flat to curved surface
Characteristic point on the measured workpiece of face detected, then is aligned to by corresponding characteristic point information the pure mathematics digital-to-analogue of design
Under;Distributed point in the reflectance target that CCD high-speed cameras directly catch on connection ultrasonic probe and frock, works as so as to obtain
Preceding ultrasonic probe relevant position coordinate measured on workpiece, the position coordinates now i.e. can be anti-with ultrasonic phase array probe
Penetrate the design theory mathematics digital-to-analogue alignment of object construction.After measurement terminates, by senior vortex, ultrasonic phase array host computer system
Ultrasound detection data convert to the corresponding three-dimensional digital-to-analogue of measured workpiece under, in processing system work station, to Non-Destructive Testing number
According to being spliced, the Non-destructive Testing Data three-dimensional visible based on measured workpiece cube theory digital-to-analogue is completed by defect recognition technology
Chemical industry is made, so as to further lift the visualization of the Ultrasonic NDT of complex-curved structural member.
Advantages of the present invention and beneficial effect:
Present invention is generally directed to large-scale flat work pieces or complex-curved component, the size of this form workpiece is much larger than super
Sound detection is popped one's head in, and designs complicated, less efficient and somewhat expensive for the scanning equipment of this component, most importantly its inspection
Survey result is confined to two dimensional image and shown, there is the manually participation such as line, mark in detection process, and accuracy of detection is relatively low, is not inconsistent
Close the requirement of modern industry automatization level.The present invention proposes a kind of monocular vision three-D ultrasonic nondestructive detection system, mainly adopts
With light pen monocular vision measuring system, multi-wafer Ultrasonic NDT conventional transducer, multi-wafer phased array supersonic Non-Destructive Testing
Wheel seach unit and phased array supersonic Non-Destructive Testing measuring system are used cooperatively, and phased-array technique can not be moved in scanning workpiece
Dynamic probe changes acoustic beam angle in itself and quickly, detection performance is given full play to instead of multiple probes and mechanical part, to complexity
The detection of geometry has very big flexibility, and can high speed scanning.It is integrated by said system, realize that view-based access control model is positioned
Three-D ultrasonic nondestructive detection system, improve the defect location precision and Non-destructive Testing Data result of ultrasonic nondestructive testing
Integrality and accuracy, effectively solve the flexibility of detection, and can realize that testing result three dimensional stress is shown, improve inspection
Precision and detection efficiency are surveyed, gathers around and has wide practical use.
Main innovation point in invention is:
The 1 cube theory digital-to-analogue based on measured workpiece, by Ultrasonic NDT data result to it to cube theory digital-to-analogue
Under realize that data three-dimensional visual is shown;
2 measure the positional information of light pen by high-speed CCD camera in real time, by coordinates transformation method, can obtain in real time
Measurement position information of the ultrasonic probe on measured workpiece.In actual measurement process, in order to ensure the integrality of measurement, generally
There is the situation of overlapping measurement in measurement stroke borderline region, ultrasonic probe is by the knot obtained by the close stroke of measurement twice
Really, using real-time position by software to it in measured workpiece cube theory digital-to-analogue, solve can in measurement stroke twice
The position covering problem that can occur, and scanning measurement result automatically saves and has the positional information corresponding to measured workpiece, surveys
Preferentially splice during amount result splicing, it is ensured that testing result is accurately and reliably;
Superhigh brightness LED formula light pen and high reflection target identification point type light pen structure in 3 inventions can bases
The structure of phased array supersonic probe, redesigns link, and flexible structure, conveniently does not limit the use scope of system, and solve
The confinement problems of different scanning equipments are needed due to different structure in conventional ultrasound.
Brief description of the drawings
Fig. 1 is the principle schematic of the embodiment of the present invention one;
Fig. 2 is the principle schematic of the embodiment of the present invention two;
Fig. 3 is the ultrasonic conventional phased array probe reflectance target structural representation of the embodiment of the present invention one;
Fig. 4 is the ultrasonic conventional phased array probe reflectance target superhigh brightness LED formula light pen of the embodiment of the present invention one
Structural representation;
Fig. 5 is the ultrasonic wheel phased array probe reflectance target structural representation of the embodiment of the present invention two
Fig. 6 is the ultrasonic wheel phased array probe reflectance target high reflection target identification point type light pen knot of the embodiment of the present invention two
Structure schematic diagram;
Fig. 7 is that the ultrasonic wheel phased array probe reflectance target wheel seach unit light pen link structure of the embodiment of the present invention two is shown
It is intended to.
In figure:
1- camera supports;2-CCD high-speed cameras;3- measured workpieces;4- ultrasound conventional phased array probe reflectance targets;5-
Senior vortex, ultrasonic phase array host computer system;6- processing system work stations;7- ultrasonic wheel phased array probe reflectance targets;8-
Superhigh brightness LED formula light pen;9- conventional transducer light pen links;10- 64 chip conventional phased array Non-Destructive Testings of ultrasound
Probe;11- ultrasonic probe voussoirs;Number position coder of 12-;13- superhigh brightness LEDs;14- LED-types
Space light pen plate;15- high reflection target identification point type light pens;16- laser guidance devices;17- stepping clicker buttons;18- takes turns
Formula probe handle;No. bis- position coders of 19-;20- encoder fifth wheels;The transparent tire material rollers of 21-;22- wheel seach units
Light pen link;23- high reflections target identification point;24- high reflection target identification point type plane light pen plates;25- functional holes;26-
Fixing screwed hole;27- structure holes
Embodiment
Complex-curved structural member monocular vision three-D ultrasonic nondestructive detection system can be used for the ultrasonic non-destructive of multiple material to examine
Survey, including metal, nonmetallic and composite etc..The present invention is further described with reference to the accompanying drawings and examples.
The present invention basic ideas be:Before measuring, it is necessary to position between calibrating the reflectance target distributed point of light pen
Relation, at regular intervals, it is necessary to carry out primary calibration to light pen, calibration method is one probe of installation below light pen,
Less parallel moves multiple positions in viewing field of camera three-dimensional space, and system demarcates light pen to the position coordinates extracted
Reflectance target distributed point.
After demarcation light pen, light pen linking probe is detected to the characteristic point being detected on workpiece, then pass through spy
Levy a little under its extremely theoretical digital-to-analogue.Then, connection light pen and ultrasonic probe, the reflection mesh on light pen is directly caught by CCD camera
Distributed point is marked, so that the relevant position that ultrasonic probe is currently located on workpiece is obtained, now, the reason of the position just with Workpiece structure
By digital-to-analogue correspondence.Then, ultrasonic testing results image is restored under three-dimensional digital-to-analogue according to coordinate, completes to be based on cube theory number
The three-dimensional visualization of the Ultrasonic NDT data of mould.
Refering to Fig. 1, Fig. 2, monocular vision three-D ultrasonic nondestructive detection system, mainly by monocular vision measuring system, ultrasound
Phased array probe reflectance target and ultrasonic nondestructive testing composition, monocular vision measuring system is by camera support 1 and CCD high speeds
Video camera 2 is constituted;Ultrasonic nondestructive testing is by 6 groups of senior vortex, ultrasonic phase array host computer system 5 and processing system work station
Into.
The ultrasonic phase array probe reflectance target is that ultrasonic conventional phased array probe reflectance target 4 or ultrasonic wheel are phased
Battle array probe reflectance target 7.
The ultrasonic conventional phased array pops one's head in reflectance target 4 by superhigh brightness LED formula light pen 8, conventional transducer light
Link 9, ultrasonic 64 chip conventional phased array non-destructive control probe 10, ultrasonic probe voussoir 11, a position coder 12
Composition.
The ultrasonic wheel phased array probe reflectance target 7 is filled by high reflection target identification point type light pen 15, laser guide
Put 16, stepping clicker button 17, wheel seach unit handle 18, No. two position coders 19, encoder fifth wheel 20, transparent tires
Material caster 21 and wheel seach unit light pen link 22 are constituted.
Above-mentioned superhigh brightness LED formula light pen 8 and high reflection target identification point type light pen 15 sets for the preliminary of light pen
Counting model includes light pen structure and light pen identification point distribution form, can design a variety of light pen forms by changing connecting tooling,
It is common to ultrasonic phase array conventional transducer and wheel seach unit.
System main operational principle is:Light pen monocular system is demarcated first, it is therefore an objective to obtain light pen reflection mesh
The position relationship of distributed point is marked, the influence of camera imaging quality is reduced.By superhigh brightness LED formula light pen 8 or high anti-
Penetrate target identification point type light pen 15 brilliant by conventional transducer light pen link 9 or wheel seach unit light pen link 22 and ultrasound 64
Piece conventional phased array non-destructive control probe 10 or ultrasonic wheel phased array probe are connected.Then, work is tested to curved surface/plane
Characteristic point on part 3 is detected, then is aligned to by corresponding characteristic point information under the pure mathematics digital-to-analogue of design;By CCD
High-speed camera 2 directly catches the distributed point in the reflectance target in connection ultrasonic probe and frock, so as to obtain current ultrasonic
Pop one's head in measured relevant position coordinate on workpiece, the position coordinates is now i.e. and ultrasonic conventional phased array probe reflectance target
The design theory mathematics digital-to-analogue alignment of 4 structures., will be super in senior vortex, ultrasonic phase array host computer system 5 after measurement terminates
Under sound detection data convert to the corresponding three-dimensional digital-to-analogue of measured workpiece 3, in processing system work station 6, pass through defect recognition skill
Art completes the Non-destructive Testing Data three-dimensional visualization work based on the cube theory digital-to-analogue of measured workpiece 3, so as to further be lifted multiple
The visualization of the Ultrasonic NDT of miscellaneous curved-surface structure part.
Embodiment 1
As shown in figure 1, monocular vision three-D ultrasonic nondestructive detection system, including camera support 1, CCD high-speed cameras 2,
Curved surface/plane measured workpiece 3, ultrasonic conventional phased array probe reflectance target 4, senior vortex, ultrasonic phase array host computer system 5,
Processing system work station 6.Wherein, CCD high-speed cameras 2, which are connected through a screw thread, is fixed on camera support 1 and CCD high-speed cameras
Machine 2 is connected with processing system work station 6 by data wire, and it is anti-that CCD high-speed cameras 2 obtain ultrasonic conventional phased array probe in real time
The position relationship penetrated between target 4 and curved surface/plane measured workpiece 3, testing result is transmitted into work station;Senior vortex,
Ultrasonic phase array host computer system 5 and ultrasonic conventional phased array probe reflectance target 4 are connected by data line, and display is super in real time
Sound detection result;Senior vortex, ultrasonic phase array host computer system 5 are connected by netting twine with processing system work station 6, are realized real-time
The function of data is transmitted, the positional information detected is corresponded to the design theory digital-to-analogue of Workpiece structure;Measuring
Cheng Hou, in ultrasonic testing results, selection detection quality is gone back one by one compared with artificial, the less detection image result of ambient influnence of feeling better
As far as under the theory three-dimensional digital-to-analogue of workpiece, data splicing is carried out, the Ultrasonic NDT data three-dimensional based on workpiece digital-to-analogue is realized
Visualization.
As shown in Figure 3, Figure 4, the ultrasonic conventional phased array pops one's head in reflectance target 4 by superhigh brightness LED formula light
Pen 8, conventional transducer light pen link 9, ultrasonic 64 chip conventional phased array non-destructive control probe 10, ultrasonic probe voussoir 11, one
Number position coder 12 is constituted, wherein, superhigh brightness LED formula light pen 8 by superhigh brightness LED 13 with it is luminous
Diode-type space light pen plate 14 is assemblied.Superhigh brightness LED formula light pen 8 is fixed by screws in conventional transducer
The one end of light pen link 9, the other end of conventional transducer light pen link 9 is connected with ultrasonic probe voussoir 11, ultrasonic 64 chip
Conventional phased array non-destructive control probe 10 is fixed under the pretightning force of conventional transducer light pen link 9 and ultrasonic probe voussoir 11.
In addition, ultrasound detection image result is obtained in order to be able to preliminary, in the lateral layout screwed hole of ultrasonic probe voussoir 11, by a position
The side that encoder 12 is arranged on ultrasonic probe voussoir 11 is put, two-dimensional ultrasound detection imaging is realized.
The present embodiment describes monocular vision three-D ultrasonic nondestructive detection system by taking Olympus multi-wafer conventional transducer as an example
Detection method, its specific detecting step is as follows:
Step one:CCD high-speed cameras 2 are fixed on camera support 1, measured workpiece 3 is placed on CCD and taken the photograph at a high speed as far as possible
In the field range of camera 2;
Step 2:CCD high-speed cameras 2 and processing system work station 6 are connected respectively;Processing system work station 6 with it is senior
Vortex, ultrasonic phase array host computer system 5;And senior vortex, ultrasonic phase array host computer system 5 are popped one's head in ultrasonic conventional phased array
Power line, netting twine and the data line of reflectance target 4;
Step 3:The power supply of senior vortex, ultrasonic phase array host computer system 5 and processing system work station 6 is respectively turned on, is beaten
Open three-D ultrasonic Non-Destructive Testing operation software and the operation software of host computer system in processing system work station;
Step 4:Superhigh brightness LED formula light pen 8 is carried out to demarcate:By superhigh brightness LED formula light pen 8
Linking probe, is detected to the characteristic point on measured workpiece 3, then is aligned to by characteristic point the theoretical digital-to-analogue of measured workpiece
Under;
Step 5:Ultrasonic conventional phased array probe reflectance target 4 is installed according to Fig. 3 schematic diagrames and fixed;By CCD at a high speed
Video camera 2 measures the target pip on superhigh brightness LED formula light pen 8, and then determines that ultrasonic 64 chip is routinely phased
Battle array non-destructive control probe 10 measures the accurate location information of measured workpiece 3;
Step 6:Hand-held ultrasound conventional phased array probe reflectance target 4 is carried out on measured workpiece 3 scanning measurement test with
Path is preset, and ensures that target pip can be by CCD at a high speed in superhigh brightness LED formula light pen 8 in measuring route as far as possible
Video camera is received, it is ensured that visibility of the hand-held ultrasound conventional phased array probe reflectance target 4 in CCD high-speed cameras 2 reaches
98%;
Step 7:Scanning measurement is carried out to curved surface measured workpiece 3 according to preset path, testing result passes through processing system work
Make station 6 and senior vortex, the transmission line of ultrasonic phase array host computer system 5 be uploaded in three-D ultrasonic Non-Destructive Testing operation software,
Meanwhile, the position relationship of CCD high-speed cameras 2 in real time between measurement light pen and measured workpiece 3, and transmit to processing system work
Make in station 6;
Step 8:It can be measured for the region for measuring undesirable with more than seven scanning of repeat step;
Step 9:Screen Non-destructive Testing Data in can evident from the quality problems of measured workpiece 3 testing result, other
Testing result stays shelves standby;
Step 10:Non-Destructive Testing result is restored to the theoretical digital-to-analogue of measured workpiece by the software in processing system work station 6
Under, testing result is subjected to image mosaic, and result is shown, realize that the Ultrasonic NDT based on cube theory digital-to-analogue is visual
Change.
Embodiment 2
As shown in Fig. 2 monocular vision three-D ultrasonic nondestructive detection system, including camera support 1, CCD high-speed cameras 2,
Curved surface/plane measured workpiece 3, senior vortex, ultrasonic phase array host computer system 5, processing system work station 6, ultrasonic wheel are phased
Battle array probe reflectance target 7.Wherein, CCD high-speed cameras 2, which are connected through a screw thread, is fixed on camera support 1;It is senior to be vortexed, surpass
Sound phased array host computer system 5 and ultrasonic wheel phased array probe reflectance target 7 are connected by data line, in real time display ultrasound
Testing result;Senior vortex, ultrasonic phase array host computer system 5 are connected with processing system work station 6 by data wire simultaneously, will be examined
Result is surveyed to transmit into work station.
As shown in figure 5, the ultrasonic wheel phased array probe reflectance target 7 by high reflection target identification point type light pen 15,
Laser guidance device 16, stepping clicker button 17, wheel seach unit handle 18, No. two position coders 19, encoder fifth wheels
20th, transparent tire material roller 21 and wheel seach unit light pen link 22 is constituted, wherein, high reflection target identification point type light pen 15
Assemblied by high reflection target identification point 23 with high reflection target identification point type plane light pen plate 24.The He of laser guidance device 16
Stepping clicker button 17 is arranged at the front end of wheel seach unit handle 18, high reflection target identification point type light pen 15 and wheel seach unit
Handle 18 is connected by wheel seach unit light pen link 22.Wherein, the detail view of wheel seach unit light pen link 22 such as Fig. 7 institutes
Show, wheel seach unit light pen link about 22 top surface be respectively equipped with corresponding functional hole 25 and structure hole 27, wheel seach unit light pen
The side of link 22 is rectified provided with fixing screwed hole, and fixing screwed hole 26 is used to fix high reflection target identification point type light pen 15 and wheel
Formula probe handle 18, laser guidance device 16 passes through functional hole 25 and structure hole 27 in wheel seach unit light pen link 22, refers to
Lead survey crew and ensure line measurement path.In addition, stepping clicker button 17 be control measurement process in starting measurement with
Stop measurement.Transparent tire material roller 21 and encoder fifth wheel 20 are each attached on bearing support, bearing support and wheel seach unit
Handle 18 is connected, and position coder 19 is contacted with encoder fifth wheel 20, it is ensured that encoder fifth wheel 20 and measured workpiece 3 are close
Contact, now testing result can be tentatively imaged, and have ultrasonic measurement chip and couplant water in transparent tire material roller 21,
In measurement process, transparent tire material roller 21 is contacted with measured workpiece 3.
The present embodiment describes monocular vision three-D ultrasonic lossless detection method by taking Olympus multi-wafer wheel seach unit as an example,
Its specific detecting step is same as Example 1, only in steps of 5 shows ultrasonic wheel phased array probe reflectance target 7 according to Fig. 5
It is intended to install and fixes.