CN110261484A - Wheel seach unit boundary wave tracking in a kind of detection of ultrasound phase-control array composite material - Google Patents
Wheel seach unit boundary wave tracking in a kind of detection of ultrasound phase-control array composite material Download PDFInfo
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- CN110261484A CN110261484A CN201910624386.6A CN201910624386A CN110261484A CN 110261484 A CN110261484 A CN 110261484A CN 201910624386 A CN201910624386 A CN 201910624386A CN 110261484 A CN110261484 A CN 110261484A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/225—Supports, positioning or alignment in moving situation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2493—Wheel shaped probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/024—Mixtures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
- G01N2291/2698—Other discrete objects, e.g. bricks
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention relates to composite material detection technique fields, wheel seach unit boundary wave tracking in especially a kind of ultrasound phase-control array composite material detection, wheel seach unit is connected with ultrasonic phased array detector, moving wheeled type probe, adjust the water pocket interface location of wheel seach unit, so that the water pocket interface of probe and detected workpiece surface are overlapped, starting ultrasonic phased array detector samples detection workpiece, sampled data will show the defect of workpiece by image mode, and workpiece, defect is accurately positioned and is calculated using boundary wave track algorithm.The present invention also provides a kind of systems of ultrasonic phase array excitation wheel seach unit detection composite material.The configuration of the present invention is simple is worthy to be popularized.
Description
Technical field
The present invention relates to take turns in composite material detection technique field more particularly to a kind of detection of ultrasound phase-control array composite material
Formula probe boundary wave tracking.
Background technique
Composite material is a kind of mixture.Very big effect is all played in many fields, instead of many traditional materials
Material, structural composite material is the material used as load-carrying construction, substantially by that load bearing reinforcement constituent element and can connect
Connect the matrix constituent element composition that reinforcement plays transmission force as integral material again simultaneously.
Composite material is commonly used for profiled member, the surface texture of arc-shaped equal out-of-flatnesses, so wheel of popping one's head in wheel seach unit
It is flexible contact with workpiece surface, probe wheel is bonded with the variation of workpiece surface bumps.Corresponding phased array probe is apart from work
The height of the couplant layer on part surface can also change.At this moment the ultrasonic wave excited in probe reaches workpiece surface, workpiece
Defect, the time of workpiece bottom can all occur constantly to change.If necessary to accurately detect and position defect, detect
Thickness of workpiece, it is necessary to the acoustic transit time of variation be verified, solving workpiece surface out-of-flatness leads to medium layer height
Change bring deviation.Boundary wave tracking is exactly the method for solving this deviation in real time.
In order to guarantee safety that composite material uses, need to detect composite material, it is ensured that composite material surface
Flawless, existing detection method can not accurately detect composite part.
Summary of the invention
The problem of the purpose of the present invention is to solve above-mentioned technical backgrounds, and a kind of ultrasonic phase array proposed
Wheel seach unit boundary wave tracking in composite material detection.
To achieve the goals above, present invention employs following technical solutions:
Wheel seach unit boundary wave tracking in a kind of detection of ultrasound phase-control array composite material is designed, is included the following steps:
S1: wheel seach unit is connected with ultrasonic phased array detector；
S2: moving wheeled type probe, adjust the water pocket interface location of wheel seach unit so that probe water pocket interface and be detected
Workpiece surface is overlapped；
S3: starting ultrasonic phased array detector samples detection workpiece, and sampled data will be shown by image mode
Show the defect of workpiece；
S4: workpiece, defect is accurately positioned and is calculated using boundary wave track algorithm.
Preferably, in the S1, ultrasonic phased array detector is attached with external computer, and by computer control
Ultrasonic phased array detector starting processed, controls the scanning speed of ultrasonic phased array detector.
Preferably, the calculating process in the S4 is to set frequency probe as F, cycle of oscillation number be N, acoustic velocity of material C,
The leading edge time of upper surface echo is T1, and the starting time of workpiece, defect echo is T2, and flaw echo leading edge time is T3, defect
The echo highest time is T4, and the bottom wavefront time is T5, and the workpiece lower surface echo highest time is T6, workpiece, defect echo starting point
Should be always after the complete cycle of boundary wave, the time deviation of start position and boundary wave starting point are as follows:
Δ T=N/F；
Therefore, red thresholding starting time position should be
T2=T1+ Δ T；
During atual detection, the position of T1 can change with the variation of workpiece surface smooth degree, if T1
The shifting deviation time be Δ t, to guarantee to realize tracking, T2 in the detection process time location by real-time change T2 ',
T2 '=T2+ Δ t；
T2 ' real-time tracking the variation of boundary wave (T1), to obtain correct T3 and T5, and defect is accurately calculated with this
Depth and workpiece thickness,
Depth of defect is
D=((T3-T1) × C)/2；
Thickness of workpiece is
D=((T5-T1) × C)/2.
The present invention also provides wheel seach unit boundary wave tracking systems in a kind of detection of ultrasound phase-control array composite material, including
Processor, the processor are electrically connected with data reception module, and the data reception module is electrically connected with Ultrasonic Phased Array
Battle array detector, the processor are electrically connected with memory module, and the processor is electrically connected with display module, the processor
It is electrically connected with data outputting module, the data outputting module is electrically connected with data processing unit, the data processing list
Member includes microprocessor, and the microprocessor is electrically connected with picture recognition module, and the microprocessor is electrically connected
There is database, the microprocessor is electrically connected with matching module, and the matching module is electrically connected with verification module, described
Verification module is electrically connected with labeling module, and the labeling module is electrically connected with computing module, and picture recognition module is to data
Output module output image data identified, the information that matching module is identified according to picture recognition module, out of database
The correct scanning figure of identical parts is transferred out, module is checked and checks the scanning figure of correct scanning figure and input, input
Sweep not exist together in figure with correct scanning figure and be labeled using labeling module, computing module is by the data of mark to part
It is calculated.
Preferably, the verification module includes microchip, and the microchip is electrically connected the matching module, described
Microchip is electrically connected with characteristic extracting module, and the microchip is electrically connected with arrangement module, the arrangement module electricity
Property be connected with checking module, characteristic extracting module extracts the characteristic point on the figure of input, arrangement module will input figure
Shape and the correct characteristic point for scheming upper same position are arranged together, and checking module proofreads the characteristic point of same position.
Preferably, it is equipped with multiple numerical data bases in the database, the scanning of same workpiece is stored in each database
Figure, workpiece scanning figure are stored separately, and it is convenient to extract.
Wheel seach unit boundary wave tracking in a kind of ultrasound phase-control array composite material detection proposed by the present invention, beneficial to effect
Fruit is:
1, using boundary wave tracking technique, the whole region in entire detected workpiece can be completely detected, is reduced
Blind area eliminates the interference problem of boundary wave, while in detected workpiece surface out-of-flatness, completely can detect and show
The complete information of real inside workpiece, positioning and confirmation to defect have preferable effect.
Detailed description of the invention
Fig. 1 is wheel seach unit boundary wave tracking in a kind of ultrasound phase-control array composite material detection proposed by the present invention
System block diagram；
Fig. 2 is the system block diagram of data processing unit in the present invention；
Fig. 3 is the system block diagram that module is checked in the present invention；
Fig. 4 is workpiece, defect echo curve figure in the present invention；
Fig. 5 is practical work piece flaw echo curve graph in the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, wheel seach unit boundary wave tracking in a kind of ultrasound phase-control array composite material detection, including it is as follows
Step:
S1: wheel seach unit is connected with ultrasonic phased array detector, ultrasonic phased array detector and external calculating
Machine is attached, and is started by computer controlled ultrasonic phased array detector, and the scanning of ultrasonic phased array detector is controlled
Speed；
S2: moving wheeled type probe, adjust the water pocket interface location of wheel seach unit so that probe water pocket interface and be detected
Workpiece surface is overlapped, and using boundary wave tracking technique, can completely be detected the whole region in entire detected workpiece, be subtracted
Blind area is lacked, has eliminated the interference problem of boundary wave, while in detected workpiece surface out-of-flatness, can completely detect
With the complete information of real inside workpiece, positioning and confirmation to defect have preferable effect；
S3: starting ultrasonic phased array detector samples detection workpiece, and sampled data will be shown by image mode
Show the defect of workpiece；
S4: being accurately positioned and calculated to workpiece, defect using boundary wave track algorithm, and calculating process is setting probe
Frequency is F, and cycle of oscillation number is N, and acoustic velocity of material C, the leading edge time of upper surface echo is T1, the starting point of workpiece, defect echo
Time is T2, and flaw echo leading edge time is T3, and the flaw echo highest time is T4, and the bottom wavefront time is T5, workpiece following table
The face echo highest time is T6, and workpiece, defect echo starting point should be always after the complete cycle of boundary wave, start position and boundary
The time deviation of surface wave starting point are as follows:
Δ T=N/F；
Therefore, red thresholding starting time position should be
T2=T1+ Δ T；
During atual detection, the position of T1 can change with the variation of workpiece surface smooth degree, if T1
The shifting deviation time be Δ t, to guarantee to realize tracking, T2 in the detection process time location by real-time change T2 ',
T2 '=T2+ Δ t；
T2 ' real-time tracking the variation of boundary wave (T1), to obtain correct T3 and T5, and defect is accurately calculated with this
Depth and workpiece thickness,
Depth of defect is
D=((T3-T1) × C)/2；
Thickness of workpiece is
D=((T5-T1) × C)/2.
The present invention also provides wheel seach unit boundary wave tracking systems in a kind of detection of ultrasound phase-control array composite material, including
Processor, processor are electrically connected with data reception module, and data reception module receives the scanning of ultrasonic phased array detector
Workpiece image data, data reception module are electrically connected with ultrasonic phased array detector, and ultrasonic phased array detector is pair
Detection workpiece is scanned, and processor is electrically connected with memory module, and memory module is the received data information of storage, processor
It is electrically connected with display module, display module is the received data information of display, and processor is electrically connected with data outputting module,
Data outputting module is electrically connected with data processing unit, and data processing unit is handled received image data, obtains
To depth of defect, data processing unit includes microprocessor, and picture recognition module is identified to received image data,
Microprocessor is electrically connected with picture recognition module, and microprocessor is electrically connected with database, is equipped in database multiple
Numerical data base stores the scanning figure of same workpiece in each database, and workpiece scanning figure is stored separately, and it is convenient to extract.
Microprocessor is electrically connected with matching module, and matching module is the picture number of the image data and storage that will input
According to being matched, convenient to compare to image data, matching module is electrically connected with verification module, and verification module is according to just
True image data checks the image data of input, judges the data information of fault location in the image data of input,
Verification module includes microchip, and microchip is electrically connected matching module, and microchip is electrically connected with characteristic extracting module,
Characteristic extracting module is the characteristic information for extracting characteristic point in image data, and microchip is electrically connected with arrangement module, row
Column module is electrically connected with checking module, and checking module is proofreaded to the data of same characteristic point, characteristic extracting module pair
Characteristic point on the figure of input extracts, and arrangement module arranges tablet pattern and the correct characteristic point for scheming upper same position
Together, checking module proofreads the characteristic point of same position, judges the different data on input picture.
Verification module is electrically connected with labeling module, and labeling module is labeled to data different on input picture,
Labeling module is electrically connected with computing module, and computing module is that calculating depth of defect is carried out by the information of characteristic point, and image is known
The image data that other module exports data outputting module identifies, the letter that matching module is identified according to picture recognition module
Breath transfers out the correct scanning figure of identical parts out of database, checks module for the scanning figure of correct scanning figure and input
It is checked, the sweeping not exist together in figure with correct scanning figure of input is labeled using labeling module, and computing module passes through mark
The data of note calculate part.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. wheel seach unit boundary wave tracking in a kind of ultrasound phase-control array composite material detection, which is characterized in that including as follows
Step:
S1: wheel seach unit is connected with ultrasonic phased array detector；
S2: moving wheeled type probe adjusts the water pocket interface location of wheel seach unit, so that the water pocket interface of probe and detected workpiece
Upper surface is overlapped；
S3: starting ultrasonic phased array detector samples detection workpiece, and sampled data will show work by image mode
The defect of part；
S4: workpiece, defect is accurately positioned and is calculated using boundary wave track algorithm.
2. wheel seach unit boundary wave tracking in a kind of ultrasound phase-control array composite material detection according to claim 1,
It is characterized in that, ultrasonic phased array detector is attached with external computer in the S1, and is controlled and surpassed by computer
The starting of sound wave phased array detector, controls the scanning speed of ultrasonic phased array detector.
3. wheel seach unit boundary wave tracking in a kind of ultrasound phase-control array composite material detection according to claim 1,
It is characterized in that, the calculating process in the S4 is to set frequency probe as F, cycle of oscillation number is N, acoustic velocity of material C, upper table
The leading edge time of face echo is T1, and the starting time of workpiece, defect echo is T2, and flaw echo leading edge time is T3, flaw echo
The highest time is T4, and the bottom wavefront time is T5, and the workpiece lower surface echo highest time is T6, and workpiece, defect echo starting point should begin
Eventually after the complete cycle of boundary wave, the time deviation of start position and boundary wave starting point are as follows:
Δ T=N/F；
Therefore, red thresholding starting time position should be
T2=T1+ Δ T；
During atual detection, the position of T1 can change with the variation of workpiece surface smooth degree, if T1's is flat
Shifting deviation time is Δ t, to guarantee to realize tracking, T2 in the detection process time location by real-time change T2 ',
T2 '=T2+ Δ t；
T2 ' real-time tracking the variation of boundary wave (T1), to obtain correct T3 and T5, and accurately calculate with this depth of defect
The thickness of degree and workpiece,
Depth of defect is
D=((T3-T1) × C)/2；
Thickness of workpiece is
D=((T5-T1) × C)/2.
4. wheel seach unit boundary wave tracking system in a kind of detection of ultrasound phase-control array composite material described in one of -3 according to claim 1
System, which is characterized in that including processor, the processor is electrically connected with data reception module, the data reception module electricity
Property is connected with ultrasonic phased array detector, and the processor is electrically connected with memory module, and the processor is electrically connected with
Display module, the processor are electrically connected with data outputting module, and the data outputting module is electrically connected with data processing
Unit, the data processing unit include microprocessor, and the microprocessor is electrically connected with picture recognition module, described
Microprocessor is electrically connected with database, and the microprocessor is electrically connected with matching module, and the matching module is electrical
It is connected with verification module, the verification module is electrically connected with labeling module, and the labeling module is electrically connected with computing module,
The image data that picture recognition module exports data outputting module identifies that matching module is identified according to picture recognition module
Information, transfer out the correct scanning figure of identical parts out of database, check module and sweep correct scanning figure with what is inputted
Tracing is checked, and the sweeping not exist together in figure with correct scanning figure of input is labeled using labeling module, and computing module is logical
The data for crossing mark calculate part.
5. wheel seach unit boundary wave tracking system in a kind of ultrasound phase-control array composite material detection according to claim 4,
It is characterized in that, the verification module includes microchip, the microchip is electrically connected the matching module, described miniature
Chip is electrically connected with characteristic extracting module, and the microchip is electrically connected with arrangement module, and the arrangement module electrically connects
Be connected to checking module, characteristic extracting module extracts the characteristic point on the figure of input, arrangement module by tablet pattern and
The correct characteristic point for scheming upper same position is arranged together, and checking module proofreads the characteristic point of same position.
6. wheel seach unit boundary wave tracking system in a kind of ultrasound phase-control array composite material detection according to claim 4,
It is characterized in that, being equipped with multiple numerical data bases in the database, the scanning figure of same workpiece, work are stored in each database
Part scanning figure is stored separately, and it is convenient to extract.
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| CN201910624386.6A CN110261484A (en) | 2019-07-11 | 2019-07-11 | Wheel seach unit boundary wave tracking in a kind of detection of ultrasound phase-control array composite material |
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| CN111413410A (en) * | 2020-03-24 | 2020-07-14 | 何海生 | Wheel type probe detection method in ultrasonic phased array composite material detection |
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Application publication date: 20190920 |