CN112198223A - Double-sided fillet weld ultrasonic phased array detection device and method and electronic equipment - Google Patents

Double-sided fillet weld ultrasonic phased array detection device and method and electronic equipment Download PDF

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CN112198223A
CN112198223A CN202011077279.5A CN202011077279A CN112198223A CN 112198223 A CN112198223 A CN 112198223A CN 202011077279 A CN202011077279 A CN 202011077279A CN 112198223 A CN112198223 A CN 112198223A
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phased array
test block
ultrasonic
scanning
array probe
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陈志坚
罗旭辉
赖俊荣
梁天宇
贺景然
郭美贤
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Guangzhou Construction Quality And Safety Testing Center Co ltd
Guangzhou Construction Co Ltd
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Guangzhou Construction Quality And Safety Testing Center Co ltd
Guangzhou Construction Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • G01N29/043Analysing solids in the interior, e.g. by shear waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/24Probes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/30Arrangements for calibrating or comparing, e.g. with standard objects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/023Solids
    • G01N2291/0234Metals, e.g. steel
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • G01N2291/0289Internal structure, e.g. defects, grain size, texture
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/26Scanned objects
    • G01N2291/267Welds

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  • Life Sciences & Earth Sciences (AREA)
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  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The embodiment of the invention provides a double-sided fillet weld ultrasonic phased array detection device, a method and electronic equipment, wherein the detection device comprises the following steps: the ultrasonic phased array detection device comprises an ultrasonic phased array detector, a phased array probe, a sensitivity calibration test block which is made of the same material as that of an H-shaped component to be detected, and a fusion depth height reference test block which is made of the same material as that of the H-shaped component; the ultrasonic phased array detector is connected with the phased array probe; the sensitivity calibration test block and the fusion depth height reference test block are cuboid test blocks; the sensitivity calibration test block is provided with at least two round holes, and the round holes are parallel to the wide edge of the sensitivity calibration test block; and at least two notches are arranged on the melting depth height reference test block, and the notches are parallel to the wide edge of the melting depth height reference test block. By applying the scheme provided by the invention, the penetration depth of the double-sided fillet weld and the internal defects of the penetration region can be detected simultaneously.

Description

Double-sided fillet weld ultrasonic phased array detection device and method and electronic equipment
Technical Field
The invention relates to the technical field of buildings, in particular to a double-sided fillet weld ultrasonic phased array detection device and method and electronic equipment.
Background
The double-sided fillet weld is widely used as a weld form in a building steel structure, and is particularly widely used in an H-shaped member, such as an H-shaped steel column and an H-shaped steel beam, which are mainly used as a load bearing member in a steel structure building. However, due to the load characteristics of the partial node or non-node part, the double-sided fillet weld is often designed to be a partial penetration weld. And, H type component receives structural stress's influence when using as vertical component, leads to producing the inside inevitable defect that produces the welding seam in manufacturing process and use, and the main reason that leads to this defect is that the effective penetration depth of H type component pterygoid lamina, web combination department welding seam and the inside quality of welding seam are not up to standard.
At present, in the inspection and inspection standards of domestic buildings, the nondestructive inspection of partial penetration welding seams, such as steel structure engineering construction quality inspection and acceptance standard GB50205-2001 and steel structure field inspection technical standard GB/T50621-.
Disclosure of Invention
The embodiment of the invention provides a double-sided fillet weld ultrasonic phased array detection device, a double-sided fillet weld ultrasonic phased array detection method and electronic equipment, and aims to achieve the technical effect of detecting the internal quality of a double-sided fillet weld.
In one aspect of the present invention, a double-sided fillet weld ultrasonic phased array detection apparatus is provided, including: the device comprises an ultrasonic phased array detector, a phased array probe, a sensitivity checking test block which is made of the same material as an H-shaped component to be detected and a fusion depth height reference test block which is made of the same material as the H-shaped component;
the ultrasonic phased array detector is connected with the phased array probe;
the sensitivity calibration test block and the fusion depth height reference test block are cuboid test blocks;
the sensitivity calibration test block is provided with at least two round holes penetrating through the front surface and the back surface, the front surface and the back surface are surfaces formed by long edges and high edges of the sensitivity calibration test block, and the round holes are parallel to the wide edges of the sensitivity calibration test block;
the penetration height reference test block is provided with at least two notches which penetrate through the front surface and the back surface, the front surface and the back surface are surfaces formed by the long edge and the high edge of the penetration height reference test block, and the notches are parallel to the wide edge of the penetration height reference test block.
Optionally, the length, width and height of the sensitivity calibration test block are as follows: (9T/2+100) mm × 40mm × Tmm, T being the thickness of the web of the H-shaped member.
Optionally, the number of the circular holes is three, and the circular holes are uniformly distributed along the vertical center line of the front surface.
Optionally, the length, width and height of the sensitivity calibration test block are as follows: (9T/4+250) mm × 40mm × Tmm, T being the thickness of the web of the H-shaped member.
Optionally, the number of the circular holes is two, the horizontal distance between two circular holes is (9T/4+50) mm, the distance between two circular holes and the adjacent side face thereof is 100mm, and the distances between two circular holes and the top face are respectively: t/2mm, T/4 mm.
Optionally, the diameter of the circular hole is 3 × Φ 2.
Optionally, the length, width and height of the penetration height reference test block are as follows: 200mm × 40mm × Tmm, and T is the thickness of the web of the H-shaped member;
the number of the notches is 3, the width of each notch is H-delta, H and H + delta respectively, the notches are uniformly distributed on the horizontal center line of the front face, H represents the non-fusion height of the root of the joint, and delta represents a preset precision value.
In another aspect of the present invention, there is also provided a double-sided fillet weld ultrasonic phased array detection method, which is applied to the double-sided fillet weld ultrasonic phased array detection apparatus described above, and the method includes:
acquiring and setting parameters of the ultrasonic phased array detector, wherein the parameters comprise: the frequency, scanning type, resolution and scanning angle range of the phased array probe;
carrying out delay calibration, sound velocity calibration, angle compensation and distance compensation on the ultrasonic phased array detector by using an A-type phased array ultrasonic special test block;
scanning the sensitive checking test block by using the phased array probe, so that the amplitude of a reflected echo signal of a circular hole in the sensitive checking test block is adjusted to 80% of the full-screen height of the ultrasonic phased array detector;
scanning the melting depth height reference test block by using the phased array probe, adjusting the amplitude of a reflected echo signal of an engraved groove in the melting depth height reference test block to 80% of the full screen height of the ultrasonic phased array detector, and recording the horizontal distance between the phased array probe and the engraved groove;
carrying out sector scanning focusing on a web plate of the H-shaped component and a position, spaced by the horizontal distance, of a double-sided fillet weld by using the phased array probe to obtain upper and lower tip diffraction signals of a root non-penetration area of a weld joint and sound wave reflection signals of penetration areas on two sides of the weld joint;
and determining the welding quality of the double-sided fillet weld seam according to the upper tip diffraction signal, the lower tip diffraction signal and the sound wave reflection signal.
Optionally, the step of performing delay calibration, sound velocity calibration, angle compensation, and distance compensation on the ultrasonic phased array detector by using the special a-type phased array ultrasonic test block includes:
scanning on the special A-type phased array ultrasonic test block by using the phased array probe, adjusting the scanning angle range and the scanning gain, moving the starting point of the gate or the width of the gate to select an echo signal corresponding to the circular arc on the special A-type phased array ultrasonic test block, acquiring circular arc reflection time, moving the position of the phased array probe back and forth to find an echo signal with the highest peak value, and calculating the current delay parameter according to the found echo signal;
scanning on the center of a cambered surface of the A-type phased array ultrasonic special test block by using the phased array probe to obtain cambered surface echoes of R50 and R100, adjusting the scanning gain to ensure that the obtained cambered surface echoes are not more than a full screen, moving the phased array probe to find out the echoes with the highest cambered surface peak values of R50 and R100, and calculating by using the time difference between the found echoes to obtain the sound velocity;
finding out an arc echo of an R50 or R100 arc surface in a scanning angle range, sleeving the found arc echo, adjusting the width of the gate, enabling the found arc echo to be in the range of the gate, reducing gain, ensuring that the wave height of the found arc echo is not more than full screen in the scanning angle range, moving the phased array probe to find out the peak value peak wave of each angle in the scanning angle range, obtaining the wave height envelope curve of each angle of the found peak value peak wave in the scanning angle range, generating a gain curve of each angle according to the wave height envelope curve, and obtaining a compensation value of each wafer in the phased array probe according to the gain curve;
finding out the hole waves of the standard holes for curve manufacturing on the special test block for the A-type phased array ultrasound, enabling the gate to cover the hole waves, reducing the sensitivity, enabling the hole waves of all angles in the scanning angle range not to exceed the full screen, moving the phased array probe to find peak value highest reflection echoes of all angles in the same depth direction, obtaining an envelope graph of peak value memory of all angles according to the found peak value highest reflection echoes, obtaining peak value envelope curves in the envelope graph, recording peak values of the peak value envelope curves, and performing distance compensation according to the recorded peak values.
In another aspect of the present invention, an electronic device is further provided, which includes a processor, a communication interface, a memory, and a communication bus, where the processor, the communication interface, and the memory complete communication with each other through the communication bus;
a memory for storing processor-executable instructions;
and the processor is used for realizing the double-sided fillet weld ultrasonic phased array detection method when the instructions stored in the memory are executed.
The embodiment of the invention provides a double-sided fillet weld ultrasonic phased array detection device, a method and electronic equipment, wherein the detection device comprises the following steps: the device comprises an ultrasonic phased array detector, a phased array probe, a sensitivity checking test block which is made of the same material as an H-shaped component to be detected and a fusion depth height reference test block which is made of the same material as the H-shaped component; the ultrasonic phased array detector is connected with the phased array probe; the sensitivity calibration test block and the fusion depth height reference test block are cuboid test blocks; the sensitivity calibration test block is provided with at least two round holes penetrating through the front surface and the back surface, the front surface and the back surface are surfaces formed by long edges and high edges of the sensitivity calibration test block, and the round holes are parallel to the wide edges of the sensitivity calibration test block; the penetration height reference test block is provided with at least two notches which penetrate through the front surface and the back surface, the front surface and the back surface are surfaces formed by the long edge and the high edge of the penetration height reference test block, and the notches are parallel to the wide edge of the penetration height reference test block. By applying the scheme provided by the invention, the sensitivity of the ultrasonic phased array detector is adjusted through the sensitivity check test block, the penetration height is checked by using the penetration height reference test block, the horizontal distance from the front end of the phased array probe to the groove of the penetration height reference test block is recorded, then a detection line is drawn on the web plate of the H-shaped member according to the horizontal distance, and finally the phased array probe is adopted to carry out detection along the detection line, so that the penetration depth of the double-sided fillet weld and the internal defects of the penetration area are simultaneously detected.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of a double-sided fillet weld ultrasonic phased array detection device provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first sensitivity calibration test block according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second sensitivity calibration test block according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a penetration height reference block according to an embodiment of the present invention;
fig. 5 is a schematic structure of an a-type phased array ultrasound-dedicated test block according to an embodiment of the present invention;
FIG. 6 is a schematic flow chart of a double-sided fillet weld ultrasonic phased array detection method according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Referring to fig. 1, a schematic diagram of a double-sided fillet weld ultrasonic phased array detection apparatus provided in an embodiment of the present invention is shown, where the double-sided fillet weld ultrasonic phased array detection apparatus includes: the ultrasonic phased array detector comprises an ultrasonic phased array detector 1, a phased array probe 2, a sensitivity checking test block which is made of the same material as an H-shaped component to be detected, and a fusion depth height reference test block which is made of the same material as the H-shaped component. The sensitivity calibration test block and the penetration height reference test block are test blocks for calibrating the sensitivity and the penetration height of the ultrasonic phased array detector 1, respectively, and are not shown in fig. 1.
As shown in fig. 1, the H-shaped member to be detected includes: a double-sided fillet weld 3, a web 4 and a wing 5.
In implementation, the ultrasonic phased array detector 1 is connected with the phased array probe 2; the sensitivity check test block and the fusion depth height reference test block are cuboid test blocks.
In implementation, the sensitivity calibration test block is provided with at least two round holes penetrating through the front surface and the back surface, the front surface and the back surface are surfaces formed by long edges and high edges of the sensitivity calibration test block, and the round holes are parallel to the wide edges of the sensitivity calibration test block.
Referring to fig. 2, a schematic structural diagram of a first sensitivity calibration block provided in the embodiment of the present invention is shown, in this implementation manner, the length, width, and height of the sensitivity calibration block are as follows: (9T/2+100) mm × 40mm × Tmm, T being the thickness of the web of the H-shaped member; the number of the round holes is three, the round holes are uniformly distributed along the vertical central line of the front surface, namely the distance between two adjacent round holes is T/4, the distance between the round hole adjacent to the bottom surface and the bottom surface is T/4, and the distance between the round hole adjacent to the top surface and the top surface is T/4.
Referring to fig. 3, which is a schematic structural diagram of a second sensitivity calibration block provided in the embodiment of the present invention, in this implementation manner, the length, width, and height of the sensitivity calibration block are as follows: (9T/4+250) mm. times.40 mm. times.Tmm, T being the thickness of the web of the H-shaped member. The quantity of round hole is two, and the horizontal distance between two round holes is (9T/4+50) mm, and the distance between two round holes and its adjacent proximal surface is 100mm, and the distance of two round holes and top surface is respectively: t/2mm, T/4 mm.
In an implementation, the diameter of each circular hole may be 3 × Φ 2.
In the implementation, at least two notches penetrating through the front surface and the back surface are arranged on the melting depth height reference test block, the front surface and the back surface are surfaces formed by the long edge and the high edge of the melting depth height reference test block, and the notches are parallel to the wide edge of the melting depth height reference test block.
Referring to fig. 4, a schematic structural diagram of a penetration height reference block provided in an embodiment of the present invention is shown, where the length, width, and height dimensions of the penetration height reference block are as follows: 200mm multiplied by 40mm multiplied by Tmm, T is the thickness of the web of the H-shaped component;
the number of the notches is 3, the width of each notch is H-delta, H and H + delta respectively, each notch is uniformly distributed on the horizontal central line of the front face, H represents the non-penetration height of the root of the joint, namely the height of a part which cannot be welded thoroughly during welding, and delta represents a preset precision value and can be 0.02 mm.
In the figure, a represents a penetration depth, i.e., a depth that can be welded through at the time of welding, where a is (T-H)/2 because of the double-side welding used.
In the actual testing process, first select to need to calibrate ultrasonic phased array detector, it is specific, include:
1) acquiring and setting parameters of the ultrasonic phased array detector, wherein the parameters comprise: frequency, scan type, resolution, scan angle range of the phased array probe.
Specifically, the frequency of the phased array probe can be 10MHz, the performance of the phased array probe meets the requirements of 'Universal technical conditions for nondestructive testing ultrasonic phased array probe' JB/T11731-2013, the scanning type is fan scanning, the sound path is focused, and the resolution ratio is 0.50The scanning angle range is set to 350~850The ultrasonic sound velocity is consistent with the material of the H-shaped component to be detected.
2) And carrying out delay calibration, sound velocity calibration, angle compensation and distance compensation on the ultrasonic phased array detector by using the special A-type phased array ultrasonic test block.
Specifically, the phased array probe can be used for scanning on the special A-type phased array ultrasonic test block, the scanning angle range and the scanning gain are adjusted, the starting point of the gate or the width of the gate is moved to select the echo signal corresponding to the circular arc on the special A-type phased array ultrasonic test block, the circular arc reflection time is obtained, the phased array probe is moved back and forth, the echo signal with the highest peak value is found, and the current delay parameter is calculated according to the found echo signal.
Scanning on the center of a cambered surface of the A-type phased array ultrasonic special test block by using the phased array probe to obtain cambered surface echoes of R50 and R100, adjusting scanning gain to enable the obtained cambered surface echoes not to exceed a full screen, moving the phased array probe to find out the echoes with the highest peak values of the R50 cambered surfaces and the R100 cambered surfaces, and calculating by using the time difference between the found echoes to obtain the sound velocity.
Finding out the arc echo of an R50 or R100 arc surface in a scanning angle range, sleeving the found arc echo, adjusting the width of the gate to ensure that the found arc echo is in the range of the gate, reducing the gain, ensuring that the wave height of the found arc echo is not more than full screen in the scanning angle range, moving the phased array probe to find out the peak value highest wave of each angle in the scanning angle range, obtaining the wave height envelope curve of each angle of the found peak value highest wave in the scanning angle range, generating the gain curve of each angle according to the wave height envelope curve, and obtaining the compensation value of each wafer in the phased array probe according to the gain curve, wherein the compensation value is generally not more than 4 dB.
Finding out the hole wave of a curve manufacturing standard hole on an A-type phased array ultrasonic special test block, enabling a gate to cover the hole wave, reducing the sensitivity, enabling the hole wave of each angle in a scanning angle range not to exceed the full screen, moving a phased array probe to find peak value highest reflection echo of each angle in the same depth direction, obtaining an envelope diagram of peak value memory of each angle according to the found peak value highest reflection echo, obtaining a peak value envelope curve in the envelope diagram, recording the peak value of the peak value envelope curve, and performing distance compensation according to the recorded peak value.
Referring to fig. 5, a schematic structural diagram of a special a-type phased array ultrasound test block is shown, it should be noted that the test block is a general test block known in the field of ultrasound phased array detection, and a specific structure of the special a-type phased array ultrasound test block is not described herein again.
The above-mentioned gate is understood to mean a range of values, which is enclosed by the gate, i.e. values can only be read within the range of values defined by the gate, but not outside the range of values.
3) Scanning is carried out on the sensitive checking test block by using the phased array probe, so that the amplitude of a reflected echo signal of the inner circular hole of the sensitive checking test block is adjusted to 80% of the full-screen height of the ultrasonic phased array detector.
4) Scanning the melting depth height reference block by using the phased array probe, adjusting the amplitude of a reflected echo signal of an engraved groove in the melting depth height reference block to 80% of the full screen height of the ultrasonic phased array detector, and recording the horizontal distance between the phased array probe and the engraved groove.
The horizontal distance is the horizontal distance between the phased array probe and the double-sided fillet weld. In addition, when the penetration depth is measured by referring to the penetration depth of the test block joint and measuring the penetration depth of the H-shaped member weld joint, the focusing depth is set to be the corresponding intermediate value of the thickness of the parent metal at the distance of the same sound path or other proper depths.
After the ultrasonic phased array detector is calibrated, the quality of the double-sided fillet weld can be detected, and the method specifically comprises the following steps:
5) and carrying out sector scanning focusing on a web plate of the H-shaped member at a horizontal distance from the double-sided fillet weld by using a phased array probe to obtain diffraction signals of upper and lower tips of an infusible area at the root part of a weld joint and sound wave reflection signals of the infusible areas at two sides of the weld joint.
6) And determining the welding quality of the double-sided fillet weld seam according to the upper tip diffraction signal, the lower tip diffraction signal and the sound wave reflection signal.
Specifically, whether the double-side penetration of the double-sided fillet weld and the internal quality of the double-side penetration region meet the requirements can be judged according to the upper tip diffraction signal, the lower tip diffraction signal and the sound wave reflection signal by contrasting with the national technical specification or the design file requirements.
According to the scheme provided by the embodiment of the invention, the sensitivity of the equipment is adjusted by using the sensitivity check test block, the penetration depth height is checked by using the penetration depth reference test block, the horizontal distance from the front end of the phased array probe to the notch groove is recorded, then the detection line is scribed on the web plate of the H-shaped member, and finally the phased array probe is adopted to simultaneously detect the penetration depth of the double-sided fillet weld and the internal defects of the penetration depth area along the detection line.
Referring to fig. 6, a schematic flow chart of a double-sided fillet weld ultrasonic phased array detection method provided in an embodiment of the present invention includes:
s600, obtaining and setting parameters of the ultrasonic phased array detector, wherein the parameters comprise: the frequency, scanning type, resolution, and scanning angle range of the phased array probe.
And S610, utilizing the special A-type phased array ultrasonic test block to perform delay calibration, sound velocity calibration, angle compensation and distance compensation on the ultrasonic phased array detector.
S620, scanning the sensitive checking test block by using the phased array probe, and adjusting the amplitude of the reflected echo signal of the inner circular hole of the sensitive checking test block to 80% of the full-screen height of the ultrasonic phased array detector.
S630, scanning the penetration height reference test block by using the phased array probe, adjusting the amplitude of a reflected echo signal of an engraved groove in the penetration height reference test block to 80% of the full screen height of the ultrasonic phased array detector, and recording the horizontal distance between the phased array probe and the engraved groove.
And S640, performing sector scanning focusing on the web plate of the H-shaped member and the position, spaced by the horizontal distance, of the double-sided fillet weld by using the phased array probe to obtain upper and lower tip diffraction signals of the root non-penetration area of the weld joint and sound wave reflection signals of the penetration areas at two sides of the weld joint.
And S650, determining the welding quality of the double-sided fillet weld according to the upper tip diffraction signal, the lower tip diffraction signal and the sound wave reflection signal.
In implementation, S610 may specifically include:
scanning on the special A-type phased array ultrasonic test block by using the phased array probe, adjusting the scanning angle range and the scanning gain, moving the starting point of the gate or the width of the gate to select an echo signal corresponding to the circular arc on the special A-type phased array ultrasonic test block, acquiring circular arc reflection time, moving the position of the phased array probe back and forth to find an echo signal with the highest peak value, and calculating the current delay parameter according to the found echo signal;
scanning on the center of a cambered surface of the A-type phased array ultrasonic special test block by using the phased array probe to obtain cambered surface echoes of R50 and R100, adjusting the scanning gain to ensure that the obtained cambered surface echoes are not more than a full screen, moving the phased array probe to find out the echoes with the highest cambered surface peak values of R50 and R100, and calculating by using the time difference between the found echoes to obtain the sound velocity;
finding out an arc echo of an R50 or R100 arc surface in a scanning angle range, sleeving the found arc echo, adjusting the width of the gate, enabling the found arc echo to be in the range of the gate, reducing gain, ensuring that the wave height of the found arc echo is not more than full screen in the scanning angle range, moving the phased array probe to find out the peak value peak wave of each angle in the scanning angle range, obtaining the wave height envelope curve of each angle of the found peak value peak wave in the scanning angle range, generating a gain curve of each angle according to the wave height envelope curve, and obtaining a compensation value of each wafer in the phased array probe according to the gain curve;
finding out the hole waves of the standard holes for curve manufacturing on the special test block for the A-type phased array ultrasound, enabling the gate to cover the hole waves, reducing the sensitivity, enabling the hole waves of all angles in the scanning angle range not to exceed the full screen, moving the phased array probe to find peak value highest reflection echoes of all angles in the same depth direction, obtaining an envelope graph of peak value memory of all angles according to the found peak value highest reflection echoes, obtaining peak value envelope curves in the envelope graph, recording peak values of the peak value envelope curves, and performing distance compensation according to the recorded peak values.
According to the scheme provided by the embodiment of the invention, the sensitivity of the equipment is adjusted by using the sensitivity check test block, the penetration depth height is checked by using the penetration depth reference test block, the horizontal distance from the front end of the phased array probe to the notch groove is recorded, then the detection line is scribed on the web plate of the H-shaped member, and finally the phased array probe is adopted to simultaneously detect the penetration depth of the double-sided fillet weld and the internal defects of the penetration depth area along the detection line.
An embodiment of the present invention further provides an electronic device, as shown in fig. 7, including a processor 001, a communication interface 002, a memory 003 and a communication bus 004, where the processor 001, the communication interface 002 and the memory 003 complete mutual communication through the communication bus 004,
a memory 003 for storing a computer program;
the processor 001 is configured to implement the above-described double-sided fillet weld ultrasonic phased array detection method when executing the program stored in the memory 003, and the method includes:
acquiring and setting parameters of the ultrasonic phased array detector, wherein the parameters comprise: the frequency, scanning type, resolution and scanning angle range of the phased array probe;
carrying out delay calibration, sound velocity calibration, angle compensation and distance compensation on the ultrasonic phased array detector by using an A-type phased array ultrasonic special test block;
scanning the sensitive checking test block by using the phased array probe, so that the amplitude of a reflected echo signal of a circular hole in the sensitive checking test block is adjusted to 80% of the full-screen height of the ultrasonic phased array detector;
scanning the melting depth height reference test block by using the phased array probe, adjusting the amplitude of a reflected echo signal of an engraved groove in the melting depth height reference test block to 80% of the full screen height of the ultrasonic phased array detector, and recording the horizontal distance between the phased array probe and the engraved groove;
carrying out sector scanning focusing on a web plate of the H-shaped component and a position, spaced by the horizontal distance, of a double-sided fillet weld by using the phased array probe to obtain upper and lower tip diffraction signals of a root non-penetration area of a weld joint and sound wave reflection signals of penetration areas on two sides of the weld joint;
and determining the welding quality of the double-sided fillet weld seam according to the upper tip diffraction signal, the lower tip diffraction signal and the sound wave reflection signal.
According to the scheme provided by the embodiment of the invention, the sensitivity of the equipment is adjusted by using the sensitivity check test block, the penetration depth height is checked by using the penetration depth reference test block, the horizontal distance from the front end of the phased array probe to the notch groove is recorded, then the detection line is scribed on the web plate of the H-shaped member, and finally the phased array probe is adopted to simultaneously detect the penetration depth of the double-sided fillet weld and the internal defects of the penetration depth area along the detection line.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface is used for communication between the electronic equipment and other equipment.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the method and electronic device embodiments, since they are substantially similar to the device embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for relevant points.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a two-sided fillet weld ultrasonic phased array detection device which characterized in that includes: the device comprises an ultrasonic phased array detector, a phased array probe, a sensitivity checking test block which is made of the same material as an H-shaped component to be detected and a fusion depth height reference test block which is made of the same material as the H-shaped component;
the ultrasonic phased array detector is connected with the phased array probe;
the sensitivity calibration test block and the fusion depth height reference test block are cuboid test blocks;
the sensitivity calibration test block is provided with at least two round holes penetrating through the front surface and the back surface, the front surface and the back surface are surfaces formed by long edges and high edges of the sensitivity calibration test block, and the round holes are parallel to the wide edges of the sensitivity calibration test block;
the penetration height reference test block is provided with at least two notches which penetrate through the front surface and the back surface, the front surface and the back surface are surfaces formed by the long edge and the high edge of the penetration height reference test block, and the notches are parallel to the wide edge of the penetration height reference test block.
2. The detecting device according to claim 1, wherein the length, width and height of the sensitivity checking test block are as follows: (9T/2+100) mm × 40mm × Tmm, T being the thickness of the web of the H-shaped member.
3. The sensing device of claim 2, wherein the number of circular holes is three, each of the circular holes being evenly distributed along a vertical centerline of the front face.
4. The detecting device according to claim 1, wherein the length, width and height of the sensitivity checking test block are as follows: (9T/4+250) mm × 40mm × Tmm, T being the thickness of the web of the H-shaped member.
5. The detecting device for detecting the rotation of the motor rotor according to the claim 4, wherein the number of the round holes is two, the horizontal distance between two round holes is (9T/4+50) mm, the distance between two round holes and the adjacent near side surface is 100mm, and the distances between two round holes and the top surface are respectively as follows: t/2mm, T/4 mm.
6. A testing device according to claim 2 or 4 wherein the circular aperture has a diameter of 3 x 2.
7. The apparatus according to claim 1, wherein the depth-of-fusion height reference block has a length, a width and a height of: 200mm × 40mm × Tmm, and T is the thickness of the web of the H-shaped member;
the number of the notches is 3, the width of each notch is H-delta, H and H + delta respectively, the notches are uniformly distributed on the horizontal center line of the front face, H represents the non-fusion height of the root of the joint, and delta represents a preset precision value.
8. A double-sided fillet weld ultrasonic phased array detection method is applied to the double-sided fillet weld ultrasonic phased array detection device in claims 1-7, and is characterized by comprising the following steps:
acquiring and setting parameters of the ultrasonic phased array detector, wherein the parameters comprise: the frequency, scanning type, resolution and scanning angle range of the phased array probe;
carrying out delay calibration, sound velocity calibration, angle compensation and distance compensation on the ultrasonic phased array detector by using an A-type phased array ultrasonic special test block;
scanning the sensitive checking test block by using the phased array probe, so that the amplitude of a reflected echo signal of a circular hole in the sensitive checking test block is adjusted to 80% of the full-screen height of the ultrasonic phased array detector;
scanning the melting depth height reference test block by using the phased array probe, adjusting the amplitude of a reflected echo signal of an engraved groove in the melting depth height reference test block to 80% of the full screen height of the ultrasonic phased array detector, and recording the horizontal distance between the phased array probe and the engraved groove;
carrying out sector scanning focusing on a web plate of the H-shaped component and a position, spaced by the horizontal distance, of a double-sided fillet weld by using the phased array probe to obtain upper and lower tip diffraction signals of a root non-penetration area of a weld joint and sound wave reflection signals of penetration areas on two sides of the weld joint;
and determining the welding quality of the double-sided fillet weld seam according to the upper tip diffraction signal, the lower tip diffraction signal and the sound wave reflection signal.
9. The method of claim 8, wherein the step of performing delay calibration, sound speed calibration, angle compensation and distance compensation on the ultrasonic phased array detector by using the special A-type phased array ultrasonic test block comprises:
scanning on the special A-type phased array ultrasonic test block by using the phased array probe, adjusting the scanning angle range and the scanning gain, moving the starting point of the gate or the width of the gate to select an echo signal corresponding to the circular arc on the special A-type phased array ultrasonic test block, acquiring circular arc reflection time, moving the position of the phased array probe back and forth to find an echo signal with the highest peak value, and calculating the current delay parameter according to the found echo signal;
scanning on the center of a cambered surface of the A-type phased array ultrasonic special test block by using the phased array probe to obtain cambered surface echoes of R50 and R100, adjusting the scanning gain to ensure that the obtained cambered surface echoes are not more than a full screen, moving the phased array probe to find out the echoes with the highest cambered surface peak values of R50 and R100, and calculating by using the time difference between the found echoes to obtain the sound velocity;
finding out an arc echo of an R50 or R100 arc surface in a scanning angle range, sleeving the found arc echo, adjusting the width of the gate, enabling the found arc echo to be in the range of the gate, reducing gain, ensuring that the wave height of the found arc echo is not more than full screen in the scanning angle range, moving the phased array probe to find out the peak value peak wave of each angle in the scanning angle range, obtaining the wave height envelope curve of each angle of the found peak value peak wave in the scanning angle range, generating a gain curve of each angle according to the wave height envelope curve, and obtaining a compensation value of each wafer in the phased array probe according to the gain curve;
finding out the hole waves of the standard holes for curve manufacturing on the special test block for the A-type phased array ultrasound, enabling the gate to cover the hole waves, reducing the sensitivity, enabling the hole waves of all angles in the scanning angle range not to exceed the full screen, moving the phased array probe to find peak value highest reflection echoes of all angles in the same depth direction, obtaining an envelope graph of peak value memory of all angles according to the found peak value highest reflection echoes, obtaining peak value envelope curves in the envelope graph, recording peak values of the peak value envelope curves, and performing distance compensation according to the recorded peak values.
10. An electronic device is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor and the communication interface are used for realizing mutual communication by the memory through the communication bus;
a memory for storing processor-executable instructions;
a processor adapted to perform the method steps of claims 8-9 when executing instructions stored on a memory.
CN202011077279.5A 2020-10-10 2020-10-10 Double-sided fillet weld ultrasonic phased array detection device and method and electronic equipment Pending CN112198223A (en)

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