CN108508087A - Lap weld molten wide detection method, device and system - Google Patents
Lap weld molten wide detection method, device and system Download PDFInfo
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- CN108508087A CN108508087A CN201810209753.1A CN201810209753A CN108508087A CN 108508087 A CN108508087 A CN 108508087A CN 201810209753 A CN201810209753 A CN 201810209753A CN 108508087 A CN108508087 A CN 108508087A
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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
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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
- G01N2291/267—Welds
- G01N2291/2675—Seam, butt welding
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Abstract
A kind of lap weld molten wide detection method of offer of the embodiment of the present invention, device and system.The method includes：It controls ultrasonic probe and ultrasonic scanning is carried out to overlapping regions, record the corresponding ultrasonic echo of each scanning point；According to the corresponding ultrasonic echo of each scanning point, the weld pool width of the overlapping regions is determined.The detection scheme provided through the embodiment of the present invention can realize the non-destructive testing of lap weld molten wide, improve accuracy in detection.
Description
Technical field
The present embodiments relate to welding technology field more particularly to a kind of lap weld molten wide detection method, device and
System.
Background technology
The characteristics of stainless steel laser welding technique starts to widely apply in urban rail metro project, weld seam is weld seam fusion
Area is especially narrower, and by the way of partial penetrated, in the whole welding process since welding parameter unusual fluctuations, workpiece assemble
Etc. factors easily cause the defects of rosin joint, incomplete fusion, molten wide are too narrow or fusion penetration is too shallow, seriously affect the quality of weld seam, may
Cause great economic loss and safety accident.
The welding quality of sheet lap bead weld is evaluated, by design requirement, in addition to fusing situation, it is also necessary to be melted to weld seam
Width measures, insufficient width, influences the overall construction intensity of weld seam, and molten wide is too wide, influences appearance；At present for weld pool width
Measurement the molten wide of a certain section of weld seam is measured by metallographic detection substantially by destructive testing；And do not have
Feasible lossless detection method can directly detect the molten wide of weld seam.
Invention content
For the defects in the prior art, the embodiment of the present invention provide a kind of lap weld molten wide detection method, device and
System can realize the non-destructive testing of lap weld molten wide, improve accuracy in detection, accurate to be provided for weldquality assessment
Data supporting.
On the one hand, the embodiment of the present invention provides a kind of lap weld molten wide detection method, including：
It controls ultrasonic probe and ultrasonic scanning is carried out to overlapping regions, record the corresponding ultrasonic wave of each scanning point and return
Wave；
According to the corresponding ultrasonic echo of each scanning point, the weld pool width of the overlapping regions is determined.
On the other hand, the embodiment of the present invention provides a kind of lap weld molten wide detection device, including：
Ultrasonic scanning module carries out ultrasonic scanning to overlapping regions for controlling ultrasonic probe, records each scanning
The corresponding ultrasonic echo of point；
Weld pool width detection module, for according to the corresponding ultrasonic echo of each scanning point, determining the overlap
The weld pool width in domain.
Another aspect, the embodiment of the present invention provide a kind of lap weld molten wide detecting system, including：
Ultrasonic probe and the lap weld molten wide detection device.
Lap weld molten wide detection method provided in an embodiment of the present invention, device and system pass through and control ultrasonic probe
Ultrasonic scanning is carried out to overlapping regions, records the corresponding ultrasonic echo of each scanning point；It is respectively right according to each scanning point
The ultrasonic echo answered determines the weld pool width of the overlapping regions, easy to operate, and can realize the nothing of lap weld molten wide
Damage detection, improves accuracy in detection, to provide accurate data supporting for weldquality assessment.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 shows the structural schematic diagram of lap weld molten wide detecting system according to an embodiment of the invention；
Fig. 2 shows the exemplary process diagrams of lap weld molten wide detection method according to an embodiment of the invention；
Fig. 3 shows the schematic diagram of scanning path according to an embodiment of the invention；
Fig. 4 shows the reflection echo schematic diagram in no-welding-seam region according to an embodiment of the invention；
Fig. 5 shows the reflection echo schematic diagram according to an embodiment of the invention for having welded seam area
Fig. 6 shows the echo character curve synoptic diagram of cross section according to an embodiment of the invention；
Fig. 7 shows the structural schematic diagram of lap weld molten wide detection device according to an embodiment of the invention；
Fig. 8 shows the entity structure schematic diagram of electronic equipment according to an embodiment of the invention.
Specific implementation mode
Clear, complete description is carried out to technical scheme of the present invention below with reference to attached drawing, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff obtained all other embodiment without making creative work belongs to the present invention and is protected
The range of shield.
The terms such as " module " used in this application, " device " be intended to include with computer-related entity, such as it is but unlimited
In hardware, firmware, combination thereof, software or software in execution.For example, module can be, it is not limited to：Processing
Process, processor, object, executable program, the thread of execution, program and/or the computer run on device.For example, it counts
It can be module to calculate the application program run in equipment and this computing device.One or more modules can be located in execution
In one process and/or thread, a module can also be located on a computer and/or be distributed in two or more platforms and calculate
Between machine.
The technical solution that the invention will now be described in detail with reference to the accompanying drawings.
With reference to figure 1, it illustrates the structural schematic diagrams of lap weld molten wide detecting system according to an embodiment of the invention.
As shown in Figure 1, lap weld molten wide detecting system provided in an embodiment of the present invention, may include：Ultrasonic probe
101 and lap weld molten wide detection device 102.
Wherein, ultrasonic probe 101 has ultrasonic wave transmitting and receive capabilities.
Lap weld molten wide detection device 102 is used to control the movement of ultrasonic probe 101, encourages ultrasonic probe 101
Emit ultrasonic wave in overlapping regions to carry out ultrasonic scanning to the overlapping regions, record ultrasonic probe 101 is received
Ultrasonic echo and the weld pool width that overlapping regions is determined based on ultrasonic echo.
In practical application, consider that the weld width of thin plate stainless steel laser plumb joint is very narrow, generally at 1 millimeter hereinafter, very
Average molten wide to some weld seams only has 0.2 millimeter.In order to meet the accuracy of molten wide detection, ultrasonic probe 101 needs to have
There is higher resolution ratio.
Further, consider the structure design that water immersion focusing probe is focused using physics, the ultrasonic wave acoustic beam of transmitting
Very narrow and energy is concentrated, and has very high resolution ratio and sensitivity, and water immersion focusing probe can be preferable by sound translative performance
Material carries out water immersion focusing, it can be achieved that probe is enclosed in a cavity, improves high resolution and concentrates energy.
Therefore, optionally, in the embodiment of the present invention, the ultrasonic probe 101 can be specially that water immersion focusing probe is visited
Head.
Further, in the embodiment of the present invention, the ultrasonic probe 101 can be specially high frequency water immersion focusing probe.
Wherein, high frequency water immersion focusing probe is used to emit the ultrasonic wave of high frequency, during the frequency of ultrasonic wave can be according to ultrasonic scanning
Minimum scanning spacing be arranged, to ensure that ultrasonic wavelength is less than minimum scanning spacing.
With reference to figure 2, it illustrates the exemplary flows of lap weld molten wide detection method according to an embodiment of the invention
Figure.The lap weld molten wide detection method is suitable for lap weld molten wide detection device 102.
As shown in Fig. 2, a kind of lap weld molten wide detection method provided in an embodiment of the present invention, may include walking as follows
Suddenly：
S210：It controls ultrasonic probe and ultrasonic scanning is carried out to overlapping regions, it is corresponding super to record each scanning point
Sound echo.
In the embodiment of the present invention, it can be directed to overlapping regions in advance and corresponding multiple scanning points and scanning path are set.
Correspondingly, lap weld molten wide detection device 102 can control ultrasonic probe 101 and be moved according to the scanning path
It is dynamic, and the corresponding position transmitting ultrasonic wave of each scanning point in the overlapping regions of ultrasonic probe 101 is encouraged, to be surpassed
Sound wave scanning.
In practical application, after ultrasonic probe 101 emits ultrasonic wave, the ultrasonic echo received can be transmitted to
Lap weld molten wide detection device 102.Correspondingly, it is respectively right can to record each scanning point for lap weld molten wide detection device 102
The ultrasonic echo answered, for subsequent detection weld pool width.
In the embodiment of the present invention, scanning path can be specially scanning longitudinal after first transverse direction；Or scanning path can be with
Lateral scanning behind specially first longitudinal direction；Or scanning path can be specially the scanning for laterally and longitudinally intersecting progress, such as Fig. 3
It is shown.With reference to figure 3, it illustrates the schematic diagrames of scanning path according to an embodiment of the invention.
Optionally, in the embodiment of the present invention, it can be directed to overlapping regions, swept according to preset lateral scanning step pitch and longitudinal direction
Step pitch is looked into multiple scanning points and scanning path is arranged.
Optionally, in the embodiment of the present invention, it may be predetermined that the cross-sectional direction of weld seam is laterally, to determine the length of weld seam
It is longitudinal to spend direction.
Optionally, in the embodiment of the present invention, width is fused according to the target of preset lap weld, determines transverse direction scanning step
Away from；According to the target length of the lap weld, longitudinal direction scanning step pitch is determined.
S220：According to the corresponding ultrasonic echo of each scanning point, the weld pool width of the overlapping regions is determined.
Consider that ultrasonic propagation encounters the interface of different acoustic impedance mediums in the process, sound wave can reflect, and lead to ultrasound
Welded seam area is different with the reflection echo in no-welding-seam region for wave having in overlapping regions, as shown in Figure 4 and Figure 5.With reference to figure 4,
It illustrates the reflection echo schematic diagrames in no-welding-seam region according to an embodiment of the invention；With reference to figure 5, it illustrates according to this
Invent the reflection echo schematic diagram for having welded seam area of an embodiment.
Therefore, in the embodiment of the present invention, lap weld molten wide detection device 102 is completed by step S210 to overlap
After the ultrasonic scanning in domain, it can be identified in the overlapping regions according to the corresponding ultrasonic echo of each scanning point
There is welded seam area, and further has identification the melting area of welding seam domain in welded seam area from described；Then, according to the melting area of welding seam
The position of each scanning point determines the weld pool width of the overlapping regions in domain.
In practical application, lap weld molten wide detection device 102 can be directed to each transversal of each the melting area of welding seam domain
Face filters out the maximum two scannings point of horizontal spacing from the scanning point that the cross section in the melting area of welding seam domain is covered, will
Horizontal spacing between the two scanning points filtered out is determined as the molten wide of the cross section in the melting area of welding seam domain；According to each transversal
The molten wide in face determines the weld pool width of the overlapping regions.For example, it is institute that can choose maximum value from the molten wide of each cross section
State the weld pool width of overlapping regions.
Lap weld molten wide detection method provided in an embodiment of the present invention, by control ultrasonic probe to overlapping regions into
Row ultrasonic scanning records the corresponding ultrasonic echo of each scanning point；It is returned according to the corresponding ultrasonic wave of each scanning point
Wave determines the weld pool width of the overlapping regions, easy to operate, and can realize the non-destructive testing of lap weld molten wide, improves
Accuracy in detection, to provide accurate data supporting for weldquality assessment.
On the basis of the above embodiments, in the lap weld molten wide detection method that further embodiment of this invention provides, institute
It states according to the corresponding ultrasonic echo of each scanning point, determines the weld pool width of the overlapping regions, including：
According to the corresponding ultrasonic echo of each scanning point on each cross section of the overlapping regions, taken described in determination
Connect the echo character data of each cross section in region；According to the echo character data of each cross section, determine on each cross section
Weld seam fusion cross section molten wide；The molten wide that cross section is fused according to each weld seam, determines the weld pool width of the overlapping regions.
Consider in practical application, in the no-welding-seam region in overlapping regions, the lower surface of upper plate and the upper surface of lower plate
It is in direct contact, and having in welded seam area in overlapping regions, there are weld seam between the lower surface of upper plate and the upper surface of lower plate,
Therefore, ultrasonic wave is by no-welding-seam region and the process for having welded seam area, the reflection echo that the lower surface of upper plate generates not
Together.
In the embodiment of the present invention, lap weld molten wide detection device 102 can be directed to each scanning point, from the scanning point pair
The reflection echo that the upper plate lower surface of the overlapping regions generates is extracted in the ultrasonic echo answered；Determine the reflection echo of extraction
Signal amplitude, and as the corresponding echo character amplitude of the scanning point；It, will for each cross section of the overlapping regions
Each corresponding echo character amplitude of scanning point on the cross section is recorded as the echo character data of the cross section.
Wherein, the position for the boundary wave that the reflection echo generated about upper plate lower surface can be generated based on upper plate upper surface
It is extracted with the plate thickness of upper plate.
Optionally, in the embodiment of the present invention, lap weld molten wide detection device 102 generates anti-in extraction upper plate lower surface
The removal of noise signal is carried out during being emitted back towards wave.Wherein, noise signal can include but is not limited to：Construct noise, instrument
Noise and ambient noise etc..
In practical application, the echo character data of cross section can be recorded in a manner of indicatrix, as shown in Figure 6.Ginseng
Fig. 6 is examined, it illustrates the echo character curve synoptic diagrams of cross section according to an embodiment of the invention.
Then, lap weld molten wide detection device 102 can be directed to each cross section of the overlapping regions, according to the cross
Each corresponding echo character amplitude of scanning point on section is compared, and determines that weld seam fuses cross section；According to the weldering
The position of the corresponding each scanning point in seam fusion cross section, measures the molten wide of weld seam fusion cross section.
Consider that the difference in no-welding-seam region between each corresponding echo character amplitude of scanning point is smaller, and has weldering
Stitch region in the corresponding echo character amplitude of scanning point echo character amplitude difference corresponding with scanning point in no-welding-seam region compared with
Greatly.
In the embodiment of the present invention, lap weld molten wide detection device 102 can be according to the corresponding echo of each scanning point
Difference between feature amplitude and maximum echo character amplitude is determined in weld seam fusion cross section and weld seam fusion cross section
Each scanning point.Then, cross section is fused for the weld seam of each cross section, respectively sweeping in cross section can be fused according to the weld seam
The position made an inventory of measure the weld seam fuse cross section molten wide.For example, the horizontal spacing between each scanning point can be calculated, select
The maximum value for taking out horizontal spacing is the molten wide that the weld seam fuses cross section.
Optionally, in the embodiment of the present invention, lap weld molten wide detection device 102 can fuse transversal according to the weld seam
It is transversal to measure the weld seam fusion for the position of the corresponding each scanning point in face and the corresponding echo character amplitude of each scanning point
The molten wide in face.
For example, echo character amplitude mean value can be determined according to each scanning point corresponding echo character amplitude；It will be each
The corresponding echo character amplitude of scanning point is compared with the echo character amplitude, chooses the echo character of difference minimum
Two scanning points corresponding to amplitude；According to the position of scanning point, the horizontal spacing between two scanning points of selection is calculated, and
The horizontal spacing is determined as the molten wide that weld seam fuses cross section.
In the embodiment of the present invention, after the weld seam for each cross section for determining overlapping regions fuses the molten wide of cross section,
It can determine the average value of the fusion width of each weld seam fusion cross section, and average value is determined as the weldering in the overlapping regions
The fusion width of seam.
Other steps of the embodiment of the present invention are similar to previous embodiment step, and the embodiment of the present invention repeats no more.
Lap weld molten wide detection method provided in an embodiment of the present invention, by detect weld seam multiple interfaces molten wide come
The molten wide for determining weld seam improves the accuracy of molten wide detection.
Further, on the basis of the above embodiments, the weld seam of the overlapping regions is determined by above-described embodiment
After molten wide, the method further includes：According to the weld pool width, the weldquality of the overlapping regions is evaluated.
In practical application, can may include for the setting of the opinion rating of weldquality：It is qualified with it is unqualified；Alternatively,
Can also multiple opinion ratings be set according to actual demand, for example, very poor, poor, qualified, good and excellent.Certainly, correspondingly,
Different opinion ratings can be directed to, corresponding judgment condition is set.
If for example, the weld pool width of the overlapping regions is within preset molten wide acceptability limit, taken described in evaluation
The weldquality for connecing region is qualification, is otherwise evaluated as unqualified.
On the basis of the above embodiments, in the lap weld molten wide detection method that further embodiment of this invention provides, institute
The method of stating further includes：According to the corresponding ultrasonic echo of each scanning point, C-scan image is generated.
In the embodiment of the present invention, lap weld molten wide detection device 102 is recording the corresponding ultrasonic wave of each scanning point
After echo, C-scan image can be generated, according to the corresponding ultrasonic echo of each scanning point intuitively to show overlap
Weld seam in domain fuses situation.
In practical application, lap weld molten wide detection device 102 is additionally operable to show C-scan image.
Further, on the basis of the above embodiments, lap weld molten wide detection device 102 can be swept based on the C
Trace designs picture, judges the whether non-penetration of the overlapping regions；If so, measuring the weld seam incomplete fusion length of the overlapping regions；Root
According to the weld seam incomplete fusion length, the weldquality of the overlapping regions is evaluated.If for example, the weld seam incomplete fusion is long
Degree is more than the first preset length, it is determined that the weldquality is unqualified；If the weld seam incomplete fusion length is less than described the
One preset length, it is determined that the weldquality is qualification.
It optionally, can be molten according to the weld seam of the overlapping regions if non-penetration situation is not present in the overlapping regions
Width evaluates the weldquality of the overlapping regions.
Optionally, if judging the non-penetration of the overlapping regions, method the overlapping regions can be determined according to Fig.2,
Weld pool width；Then, according to the weld pool width of the fusion area in the weld seam incomplete fusion length and the overlapping regions, come
The weldquality of the overlapping regions is evaluated.
If for example, the weld seam incomplete fusion length is less than the fusion area in first preset length and the overlapping regions
The weld pool width in domain is in preset molten wide acceptability limit, it is determined that the weldquality is qualification.If the weld seam incomplete fusion
Length is less than first preset length and the weld pool width of the fusion area in the overlapping regions is not at preset molten wide
Acceptability limit, it is determined that the weldquality is unqualified.
It is understood that the opinion rating setting for weldquality may include：It is qualified with it is unqualified；Alternatively, also
Can multiple grades be set according to actual demand, for example, very poor, poor, qualified, good and excellent.It certainly, correspondingly, can be with needle
Corresponding judgment condition is arranged to different brackets.
Other steps of the embodiment of the present invention are similar to previous embodiment step, and the embodiment of the present invention repeats no more.
Lap weld molten wide detection method provided in an embodiment of the present invention evaluates weldquality, energy in conjunction with C-scan image
It enough improves weldquality and evaluates accuracy.
On the basis of the various embodiments described above, further embodiment of this invention provides a kind of lap weld molten wide detection dress
It sets.
With reference to figure 7, it illustrates the structural schematic diagrams of lap weld molten wide detection device according to an embodiment of the invention.
As shown in fig. 7, lap weld molten wide detection device 700 provided in an embodiment of the present invention may include：Ultrasonic wave is swept
Look into module 701 and weld pool width detection module 702.
Wherein, ultrasonic scanning module 701 carries out ultrasonic scanning, record for controlling ultrasonic probe to overlapping regions
The corresponding ultrasonic echo of each scanning point.
Weld pool width detection module 702 is used to, according to the corresponding ultrasonic echo of each scanning point, determine the overlap joint
The weld pool width in region.
Optionally, weld pool width detection module 702 is specifically used for according to respectively sweeping on each cross section of the overlapping regions
Corresponding ultrasonic echo is made an inventory of, determines the echo character data of each cross section of the overlapping regions；According to described each
The echo character data of cross section determine the molten wide of the weld seam fusion cross section on each cross section；It is fused according to each weld seam transversal
The molten wide in face determines the weld pool width of the overlapping regions.
Optionally, weld pool width detection module 702 is specifically used for being directed to each scanning point, from the corresponding ultrasound of scanning point
The reflection echo that the upper plate lower surface of the overlapping regions generates is extracted in wave echo；Determine the signal width of the reflection echo of extraction
Value, and as the corresponding echo character amplitude of the scanning point；For each cross section of the overlapping regions, by the cross section
On each corresponding echo character amplitude of scanning point be recorded as the echo character data of the cross section.
Optionally, weld pool width detection module 702 is specifically used for each cross section for the overlapping regions, according to this
Each corresponding echo character amplitude of scanning point on cross section is compared, and determines that weld seam fuses cross section；According to described
Weld seam fuses the position of the corresponding each scanning point in cross section, measures the molten wide of weld seam fusion cross section.
Optionally, lap weld molten wide detection device 700 can also include：Weldquality evaluation module.Wherein, the weldering
Quality assessment module is stitched to be used to, according to the weld pool width, evaluate the weldquality of the overlapping regions.
Optionally, lap weld molten wide detection device 700 can also include：C sweeps image generation module.Wherein, the C is swept
Image generation module is used to, according to the corresponding ultrasonic echo of each scanning point, generate C-scan image.
Further, lap weld molten wide detection device 700 can also include：Incomplete fusion length detection module.Wherein, institute
State incomplete fusion length detection module for be based on the C-scan image, judge the whether non-penetration of the overlapping regions；If so,
Measure the weld seam incomplete fusion length of the overlapping regions.Correspondingly, the weldquality evaluation module is additionally operable to according to the weldering
Incomplete fusion length is stitched, the weldquality of the overlapping regions is evaluated.
Lap weld molten wide detection device provided in an embodiment of the present invention, by control ultrasonic probe to overlapping regions into
Row ultrasonic scanning records the corresponding ultrasonic echo of each scanning point；It is returned according to the corresponding ultrasonic wave of each scanning point
Wave determines the weld pool width of the overlapping regions, easy to operate, and can realize the non-destructive testing of lap weld molten wide, improves
Accuracy in detection, to provide accurate data supporting for weldquality assessment.
The embodiment of lap weld molten wide detection provided by the invention specifically can be used for executing above-mentioned each method embodiment
Process flow, details are not described herein for function, is referred to the detailed description of above method embodiment.
In practical application, the ultrasonic scanning module 701 in lap weld molten wide detection device may include：Mobile control
Unit and ultrasonic signal encourage recording unit.Wherein, mobile control unit is used to control the movement of ultrasonic probe；Ultrasonic signal
Excitation recording unit is for encouraging ultrasonic probe to send ultrasonic wave and recording the ultrasonic echo that ultrasonic probe is received.
Further, ultrasonic scanning module 701 can also include：Parameter set unit, for scanning point, scanning to be arranged
The parameters such as track, ultrasonic frequency.
Weld pool width detection module 702 can be specially data processing unit, data storage cell, image-display units
Deng.Wherein, data processing unit is used to, according to the corresponding ultrasonic echo of each scanning point, determine the weldering of the overlapping regions
Stitch molten wide.Data storage cell is for storing preset parameter, the corresponding ultrasonic echo of each scanning point, weld pool width etc.
Data.Image-display units are for showing C-scan image, echo character curve etc..
With reference to figure 8, it illustrates the entity structure schematic diagrames of electronic equipment according to an embodiment of the invention.Such as Fig. 8 institutes
Show, which may include：Processor (processor) 801, memory (memory) 802 and bus 803,
In, processor 801, memory 802 completes mutual communication by bus 803.Processor 801 can call memory 802
In computer program, to execute the method that above-mentioned each method embodiment is provided, for example, including：
It controls ultrasonic probe and ultrasonic scanning is carried out to overlapping regions, record the corresponding ultrasonic wave of each scanning point and return
Wave；According to the corresponding ultrasonic echo of each scanning point, the weld pool width of the overlapping regions is determined.
In another embodiment, following method is realized when the processor 801 executes the computer program：It is described
According to the corresponding ultrasonic echo of each scanning point, the weld pool width of the overlapping regions is determined, including：
According to the corresponding ultrasonic echo of each scanning point on each cross section of the overlapping regions, taken described in determination
Connect the echo character data of each cross section in region；According to the echo character data of each cross section, determine on each cross section
Weld seam fusion cross section molten wide；The molten wide that cross section is fused according to each weld seam, determines the weld pool width of the overlapping regions.
In another embodiment, following method is realized when the processor 801 executes the computer program：It is described
According to the corresponding ultrasonic echo of each scanning point on each cross section of the overlapping regions, the overlapping regions is determined
The echo character data of each cross section, including：
For each scanning point, the upper plate following table of the overlapping regions is extracted from the corresponding ultrasonic echo of scanning point
The reflection echo that face generates；Determine the signal amplitude of the reflection echo of extraction, and as the corresponding echo character of the scanning point
Amplitude；For each cross section of the overlapping regions, by each corresponding echo character width of scanning point on the cross section
Value is recorded as the echo character data of the cross section.
In another embodiment, following method is realized when the processor 801 executes the computer program：It is described
According to the echo character data of each cross section, the molten wide of the weld seam fusion cross section on each cross section is determined, including：
It is special according to the corresponding echo of each scanning point on the cross section for each cross section of the overlapping regions
Sign amplitude is compared, and determines that weld seam fuses cross section；The position of the corresponding each scanning point in cross section is fused according to the weld seam,
Measure the molten wide of weld seam fusion cross section.
In another embodiment, following method is realized when the processor 801 executes the computer program：It is described
Method further includes：
According to the weld pool width, the weldquality of the overlapping regions is evaluated.
In another embodiment, following method is realized when the processor 801 executes the computer program：It is described
Method further includes：
According to the corresponding ultrasonic echo of each scanning point, C-scan image is generated.
In another embodiment, following method is realized when the processor 801 executes the computer program：It is described
Method further includes：
Based on the C-scan image, the whether non-penetration of the overlapping regions is judged；If so, measuring the overlapping regions
Weld seam incomplete fusion length；According to the weld seam incomplete fusion length, the weldquality of the overlapping regions is evaluated.
Electronic equipment provided in an embodiment of the present invention, at least has the following technical effects：By controlling ultrasonic probe pair
Overlapping regions carries out ultrasonic scanning, records the corresponding ultrasonic echo of each scanning point；It is respectively corresponded to according to each scanning point
Ultrasonic echo, determine the weld pool width of the overlapping regions, it is easy to operate, and can realize the lossless of lap weld molten wide
Detection improves accuracy in detection, to provide accurate data supporting for weldquality assessment.
The embodiment of the present invention discloses a kind of computer program product, and the computer program product is non-transient including being stored in
Computer program on computer readable storage medium, the computer program include program instruction, when described program instructs quilt
When computer executes, computer is able to carry out the method that above-mentioned each method embodiment is provided, such as including：
It controls ultrasonic probe and ultrasonic scanning is carried out to overlapping regions, record the corresponding ultrasonic wave of each scanning point and return
Wave；According to the corresponding ultrasonic echo of each scanning point, the weld pool width of the overlapping regions is determined.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage
Medium storing computer program, the computer program make the computer execute the side that above-mentioned each method embodiment is provided
Method, such as including：
It controls ultrasonic probe and ultrasonic scanning is carried out to overlapping regions, record the corresponding ultrasonic wave of each scanning point and return
Wave；According to the corresponding ultrasonic echo of each scanning point, the weld pool width of the overlapping regions is determined.
In addition, the logical order in above-mentioned memory can be realized by the form of SFU software functional unit and be used as independence
Product sale or in use, can be stored in a computer read/write memory medium.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer installation (can be personal computer, server or network equipment etc.) executes each embodiment institute of the present invention
State all or part of step of method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with
Store the medium of program code.
The apparatus embodiments described above are merely exemplary, wherein the unit illustrated as separating component can
It is physically separated with being or may not be, the component shown as unit may or may not be physics list
Member, you can be located at a place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of module achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case of, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be expressed in the form of software products in other words, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
It enables and using so that a computer installation (can be personal computer, server or network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of lap weld molten wide detection method, which is characterized in that including：
It controls ultrasonic probe and ultrasonic scanning is carried out to overlapping regions, record the corresponding ultrasonic echo of each scanning point；
According to the corresponding ultrasonic echo of each scanning point, the weld pool width of the overlapping regions is determined.
2. according to the method described in claim 1, it is characterized in that, described return according to the corresponding ultrasonic wave of each scanning point
Wave determines the weld pool width of the overlapping regions, including：
According to the corresponding ultrasonic echo of each scanning point on each cross section of the overlapping regions, the overlap is determined
The echo character data of each cross section in domain；
According to the echo character data of each cross section, the molten wide of the weld seam fusion cross section on each cross section is determined；
The molten wide that cross section is fused according to each weld seam, determines the weld pool width of the overlapping regions.
3. according to the method described in claim 2, it is characterized in that, each on each cross section according to the overlapping regions
The corresponding ultrasonic echo of scanning point determines the echo character data of each cross section of the overlapping regions, including：
For each scanning point, the upper plate lower surface production of the overlapping regions is extracted from the corresponding ultrasonic echo of scanning point
Raw reflection echo；
Determine the signal amplitude of the reflection echo of extraction, and as the corresponding echo character amplitude of the scanning point；
For each cross section of the overlapping regions, by each corresponding echo character amplitude of scanning point on the cross section
It is recorded as the echo character data of the cross section.
4. according to the method described in claim 3, it is characterized in that, the echo character data according to each cross section,
Determine the molten wide of the weld seam fusion cross section on each cross section, including：
For each cross section of the overlapping regions, according to each corresponding echo character width of scanning point on the cross section
Value is compared, and determines that weld seam fuses cross section；
The position that the corresponding each scanning point in cross section is fused according to the weld seam measures the molten wide of weld seam fusion cross section.
5. according to any methods of claim 1-4, which is characterized in that the method further includes：
According to the weld pool width, the weldquality of the overlapping regions is evaluated.
6. according to any methods of claim 1-4, which is characterized in that the method further includes：
According to the corresponding ultrasonic echo of each scanning point, C-scan image is generated.
7. according to the method described in claim 6, it is characterized in that, the method further includes：
Based on the C-scan image, the whether non-penetration of the overlapping regions is judged；
If so, measuring the weld seam incomplete fusion length of the overlapping regions；
According to the weld seam incomplete fusion length, the weldquality of the overlapping regions is evaluated.
8. a kind of lap weld molten wide detection device, which is characterized in that including：
Ultrasonic scanning module carries out ultrasonic scanning to overlapping regions for controlling ultrasonic probe, it is each to record each scanning point
Self-corresponding ultrasonic echo；
Weld pool width detection module, for according to the corresponding ultrasonic echo of each scanning point, determining the overlapping regions
Weld pool width.
9. a kind of lap weld molten wide detecting system, which is characterized in that including：Ultrasonic probe and as claimed in claim 8
Lap weld molten wide detection device.
10. system according to claim 9, which is characterized in that the ultrasonic probe is water immersion focusing probe.
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| CN117268297B (en) * | 2023-11-22 | 2024-02-02 | 国营川西机器厂 | Method and device for detecting transverse size of welding spot of double-layer catheter based on ultrasonic longitudinal wave |
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