CN117347268A - Detection method and device for welding misalignment defect of pipeline - Google Patents

Detection method and device for welding misalignment defect of pipeline Download PDF

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Publication number
CN117347268A
CN117347268A CN202311110222.4A CN202311110222A CN117347268A CN 117347268 A CN117347268 A CN 117347268A CN 202311110222 A CN202311110222 A CN 202311110222A CN 117347268 A CN117347268 A CN 117347268A
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China
Prior art keywords
pipeline
misalignment
detected
height difference
welded
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CN202311110222.4A
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Chinese (zh)
Inventor
于德水
王永辉
张文亮
秦志庄
齐国超
杨伯文
李翔
谭鹏博
王敏
陈施乐
贠卓越
魏弋宸
刘顺
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China Nuclear Engineering Consulting Co Ltd
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China Nuclear Engineering Consulting Co Ltd
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Priority to CN202311110222.4A priority Critical patent/CN117347268A/en
Publication of CN117347268A publication Critical patent/CN117347268A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention relates to the technical field of pipeline detection, in particular to a method and a device for detecting a pipeline welding misalignment defect. The method comprises the following steps: acquiring three-dimensional scanning data of a welded pipeline to be detected by non-contact measuring equipment; determining the heights of the pipelines on two sides of all the pipeline grooves based on the three-dimensional scanning data; calculating to obtain the height difference of each pipeline positioned at the pipeline groove based on the pipeline heights at the two sides of each pipeline groove; and comparing the height difference of each pipeline with a preset misalignment amount to obtain a detection result of whether the welded pipeline to be detected has misalignment defects. The invention aims to solve the problems of low accuracy and efficiency of detecting the welding misalignment defect of the pipeline in the existing method.

Description

Detection method and device for welding misalignment defect of pipeline
Technical Field
The invention relates to the technical field of pipeline detection, in particular to a method and a device for detecting a pipeline welding misalignment defect.
Background
In the process of manufacturing and constructing the pipeline, the pipeline welding misalignment defect can cause the problems of unstable pipeline connection, leakage and the like. Therefore, detection of the welding misalignment defect of the pipeline is very important.
At present, the traditional detection method of the welding misalignment defect of the pipeline comprises visual detection, X-ray flaw detection and ultrasonic detection. However, the existing detection method is manually operated, so that the manual detection process is complex, the cost is high, and the measurement result is easily influenced; meanwhile, the problems of mechanical loss, deformation and the like are easy to generate by adopting X-ray flaw detection and ultrasonic detection. In addition, for the occasions of inconvenient implementation of the traditional detection method such as high temperature and high pressure, the method has larger limitation, so that the detection accuracy and the detection efficiency of the welding misalignment defect of the pipeline are poor.
Disclosure of Invention
The invention provides a detection method for a pipeline welding misalignment defect, which is used for solving the problems of low accuracy and efficiency of detecting the pipeline welding misalignment defect in the existing method.
The invention provides a detection method for a pipeline welding misalignment defect, which comprises the following steps:
acquiring three-dimensional scanning data of a welded pipeline to be detected by non-contact measuring equipment;
determining the heights of the pipelines on two sides of all the pipeline grooves based on the three-dimensional scanning data;
calculating to obtain the height difference of each pipeline positioned at the pipeline groove based on the pipeline heights at the two sides of each pipeline groove;
and comparing the height difference of each pipeline with a preset misalignment amount to obtain a detection result of whether the welded pipeline to be detected has misalignment defects.
According to the method for detecting the welding misalignment defect of the pipeline, provided by the invention, the acquisition non-contact measurement equipment acquires three-dimensional scanning data of the pipeline to be detected, and the method comprises the following steps:
acquiring an original image and point cloud of the surface of a pipeline of a welded pipeline to be detected by non-contact measurement equipment;
and adjusting the original image and the point cloud of the pipeline surface to obtain three-dimensional scanning data.
According to the detection method of the pipeline welding misalignment defect, provided by the invention, the pipeline heights at two sides of all pipeline grooves are determined based on the three-dimensional scanning data, and the detection method comprises the following steps:
and performing data processing on the three-dimensional scanning data by using a machine vision algorithm to obtain the heights of the pipelines at two sides of the pipeline groove.
According to the method for detecting the welding misalignment defect of the pipeline, provided by the invention, each pipeline height difference is compared with the preset misalignment amount to obtain a detection result of whether the misalignment defect exists in the pipeline to be detected, and the detection result comprises the following steps:
and comparing each pipeline height difference with a preset misalignment amount, and if the absolute value of any pipeline height difference is larger than the preset misalignment amount, obtaining a detection result of the misalignment defect of the welded pipeline to be detected.
According to the method for detecting the welding misalignment defect of the pipeline, provided by the invention, each pipeline height difference is compared with the preset misalignment amount, and if the absolute value of any pipeline height difference is larger than the preset misalignment amount, the method further comprises the following steps:
and marking the position of the pipeline groove with the absolute value of the pipeline height difference larger than the preset misalignment amount.
The invention also provides a device for detecting the welding misalignment defect of the pipeline, which comprises the following steps:
the acquisition module is used for acquiring three-dimensional scanning data of the welded pipeline to be detected by the non-contact measurement equipment;
the processing module is used for determining the heights of the pipelines at two sides of all the pipeline grooves based on the three-dimensional scanning data;
the calculating module is used for calculating the height difference of each pipeline positioned at the pipeline groove based on the pipeline heights at the two sides of each pipeline groove;
and the detection module is used for comparing the height difference of each pipeline with a preset misalignment amount to obtain a detection result of whether the welded pipeline to be detected has a misalignment defect.
According to the detection device for the welding misalignment defect of the pipeline, the acquisition module is specifically used for:
acquiring an original image and point cloud of the surface of a pipeline of a welded pipeline to be detected by non-contact measurement equipment;
and adjusting the original image and the point cloud of the pipeline surface to obtain three-dimensional scanning data.
According to the detection device for the welding misalignment defect of the pipeline, the processing module is specifically used for:
and performing data processing on the three-dimensional scanning data by using a machine vision algorithm to obtain the heights of the pipelines at two sides of the pipeline groove.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the detection method of the pipeline welding misalignment defect according to any one of the above when executing the program.
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method of detecting a pipe welding misalignment defect as described in any one of the above.
According to the detection method and the detection device for the welding misalignment defect of the pipeline, the three-dimensional scanning data of the pipeline to be detected are acquired through the non-contact measurement equipment, so that the acquired three-dimensional scanning data can be more accurate; after the three-dimensional scanning data are processed, the heights of the pipelines on the two sides of the pipeline groove can be obtained rapidly, so that after the height difference of each pipeline located at the pipeline groove is obtained by calculation, the height difference of each pipeline is compared with the preset offset to obtain the detection result of whether the to-be-detected welding pipeline has the offset defect, the offset defect of the to-be-detected welding pipeline can be judged rapidly, and the detection precision and efficiency are improved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for detecting a pipe welding misalignment defect.
Fig. 2 is a schematic structural diagram of a device for detecting a welding misalignment defect of a pipe according to the present invention.
Fig. 3 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The following describes a method for detecting a pipe welding misalignment defect according to the present invention with reference to fig. 1, including:
s1, acquiring three-dimensional scanning data of a welded pipeline to be detected by non-contact measuring equipment.
Specifically, the non-contact type measuring equipment is a laser profile scanner, and before the laser profile scanner acquires three-dimensional scanning data of a welded pipeline to be detected, the installation drawing of the welded pipeline to be detected is inquired, after the diameter of the welded pipeline to be detected is acquired, a proper track is selected, and the track is erected on the welded pipeline to be detected.
And installing the laser profile scanner on a support of the track, setting relevant scanning parameters of scanning profile lines such as laser intensity, scanning speed, resolution and the like of the laser profile scanner according to the deviation precision requirement and the installation environment of the welded pipeline to be detected so as to obtain an ideal profile line, and then adjusting the parameters related to the image and the point cloud so as to obtain accurate three-dimensional scanning data. Because the laser profile scanner has the characteristics of high precision, high efficiency, automation and the like, compared with the traditional measuring tool, the laser profile scanner can not generate the problems of mechanical loss, deformation and the like, and meanwhile, the influence of manual operation on the measuring result can be avoided. Therefore, the detection efficiency and accuracy are improved, and errors and risks caused by manual operation can be effectively reduced.
S2, determining the heights of the pipelines on two sides of all the pipeline grooves based on the three-dimensional scanning data.
And S3, calculating the height difference of each pipeline positioned at the pipeline groove based on the pipeline heights at the two sides of each pipeline groove.
In this embodiment, the calculation formula of the difference Δz between the heights of the pipes located at the groove of the pipe is:
△Z＝Z 1 -Z 2 ；
wherein Z is 1 And Z 2 Two grooves of the pipeline respectivelySide duct height.
S4, comparing the height difference of each pipeline with a preset misalignment amount to obtain a detection result of whether the welded pipeline to be detected has misalignment defects.
According to the invention, the non-contact measuring equipment is acquired to acquire the three-dimensional scanning data of the welded pipeline to be detected, so that more accurate three-dimensional scanning data can be obtained. After the three-dimensional scanning data are processed, the heights of the pipelines on the two sides of the pipeline groove can be obtained rapidly, so that after the height difference of each pipeline positioned at the pipeline groove is obtained by calculation, the height difference of each pipeline is compared with the preset offset, and the detection result of whether the welded pipeline to be detected has the offset defect or not is obtained. The method and the device can rapidly judge the misalignment defect of the welded pipeline to be detected, and further improve the precision and the efficiency of the misalignment defect detection of the welded pipeline to be detected.
On the basis of the above embodiment, the acquiring the three-dimensional scan data of the welded pipe to be detected by the non-contact measurement device includes:
and acquiring an original image and point cloud of the pipeline surface of the welded pipeline to be detected by non-contact measuring equipment. Specifically, a laser profile scanner and a track moving device are started by marking the initial position of a track, and the laser profile scanner scans the pipeline to be detected along the track for one circle according to a set path, so that an original image and point cloud of the pipeline surface of the pipeline to be detected are obtained.
And adjusting the original image and the point cloud of the pipeline surface to obtain three-dimensional scanning data. The method can obtain more accurate three-dimensional scanning data.
On the basis of the above embodiment, determining the pipe heights of both sides of all the pipe grooves based on the three-dimensional scan data includes:
and performing data processing on the three-dimensional scanning data by using a machine vision algorithm to obtain the heights of the pipelines at two sides of the pipeline groove. Specifically, the acquired three-dimensional scanning data is processed and analyzed by using a machine Vision algorithm in Mech-Vision software or third-party machine Vision software, so that the heights of the pipelines on two sides of all pipeline grooves can be obtained more quickly.
On the basis of the above embodiment, comparing each pipe height difference with a preset misalignment amount to obtain a detection result of whether a misalignment defect exists in a welded pipe to be detected, including:
and comparing each pipeline height difference with a preset misalignment amount, and if the absolute value of any pipeline height difference is larger than the preset misalignment amount, obtaining a detection result of the misalignment defect of the welded pipeline to be detected. In the embodiment, the preset misalignment amount is B, the absolute value of the height difference of each pipeline is compared with B, and if B is not less than or equal to B, the detection result that no misalignment defect exists in the welded pipeline to be detected is obtained, and the centering of the welded pipeline to be detected is qualified; if B is present<And (3) obtaining a detection result of the misalignment defect of the welded pipeline to be detected, wherein the detection result is indicative of disqualification in centering of the welded pipeline to be detected. For example: the preset offset is B=0.2, and the heights of the pipelines at the two sides of the pipeline groove at the position 0.4 cm away from the measurement starting point are Z respectively 1 ＝1.1，Z 2 Because 0.3 is larger than 0.2, the defect that the groove of the pipeline at the position of 0.4 cm is provided with the misalignment defect is obtained, and the detection result that the welded pipeline to be detected is provided with the misalignment defect is obtained.
At the same time, also pass through the formula B 2 ≥△Z 2 And obtaining a detection result that the welding pipeline to be detected does not have the misalignment defect, and indicating that the centering of the welding pipeline to be detected is qualified. If B is present 2 <△Z 2 And obtaining a detection result of the misalignment defect of the welded pipeline to be detected, wherein the detection result indicates that the centering of the welded pipeline to be detected is unqualified.
On the basis of the above embodiment, comparing each pipe height difference with a preset misalignment amount, and if the absolute value of any pipe height difference is greater than the preset misalignment amount, obtaining a detection result of the misalignment defect of the welded pipe to be detected, further includes:
and marking the position of the pipeline groove with the absolute value of the pipeline height difference larger than the preset misalignment amount. Specifically, the identified locations are: the laser profile scanner starts with a measurement start position and characterizes the distance from the groove position of the pipeline in the measurement direction. So that a detector can quickly obtain the position of the welding pipeline to be detected with the misalignment defect.
The device for detecting the welding misalignment defect of the pipeline provided by the invention is described below, and the device for detecting the welding misalignment defect of the pipeline and the method for detecting the welding misalignment defect of the pipeline described below can be correspondingly referred to each other.
Referring to fig. 2, a device for detecting a welding misalignment defect of a pipeline includes: the device comprises an acquisition module 210, a processing module 220, a calculation module 230 and a detection module 240.
The acquisition module 210 is used for acquiring three-dimensional scanning data of the welded pipeline to be detected by the non-contact measurement device.
The processing module 220 is configured to determine the pipe heights of both sides of all the pipe grooves based on the three-dimensional scan data.
The calculating module 230 is configured to calculate, based on the pipe heights at both sides of each of the pipe grooves, a pipe height difference at each of the pipe grooves.
The detection module 240 is configured to compare each pipe height difference with a preset misalignment amount, and obtain a detection result of whether the welded pipe to be detected has a misalignment defect.
The invention acquires three-dimensional scanning data through the acquisition module 210; the processing module 220 obtains the pipe heights of both sides of all the pipe grooves; the calculation module 230 calculates the height difference of each pipeline positioned at the pipeline groove, and the detection module 240 obtains the detection result of whether the welding pipeline to be detected has the misalignment defect, so that the misalignment defect of the welding pipeline to be detected can be rapidly judged, and the detection precision and efficiency are improved.
Specifically, the obtaining module 210 is specifically configured to: and acquiring an original image and point cloud of the pipeline surface of the welded pipeline to be detected by non-contact measuring equipment.
And adjusting the original image and the point cloud of the pipeline surface to obtain three-dimensional scanning data.
The processing module 220 is specifically configured to: and performing data processing on the three-dimensional scanning data by using a machine vision algorithm to obtain the heights of the pipelines at two sides of the pipeline groove.
The detection module 240 specifically is configured to: and comparing each pipeline height difference with a preset misalignment amount, and if the absolute value of any pipeline height difference is larger than the preset misalignment amount, obtaining a detection result of the misalignment defect of the welded pipeline to be detected.
In this embodiment, the device further includes an identification module. The identification module is used for identifying the position of the pipeline groove with the absolute value of the pipeline height difference being larger than a preset misalignment amount.
Fig. 3 illustrates a physical schematic diagram of an electronic device, as shown in fig. 3, where the electronic device may include: processor 310, communication interface (Communications Interface) 320, memory 330 and communication bus 340, wherein processor 310, communication interface 320, memory 330 accomplish communication with each other through communication bus 340. The processor 310 may invoke logic instructions in the memory 330 to perform a method of detecting a pipe weld misalignment defect, the method comprising:
s1, acquiring three-dimensional scanning data of a welded pipeline to be detected by non-contact measuring equipment.
S2, determining the heights of the pipelines on two sides of all the pipeline grooves based on the three-dimensional scanning data.
And S3, calculating the height difference of each pipeline positioned at the pipeline groove based on the pipeline heights at the two sides of each pipeline groove.
S4, comparing the height difference of each pipeline with a preset misalignment amount to obtain a detection result of whether the welded pipeline to be detected has misalignment defects.
Further, the logic instructions in the memory 330 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, where the computer program product includes a computer program, where the computer program can be stored on a non-transitory computer readable storage medium, and when the computer program is executed by a processor, the computer can execute the method for detecting the pipe welding misalignment defect provided by the above methods, and the method includes:
s1, acquiring three-dimensional scanning data of a welded pipeline to be detected by non-contact measuring equipment.
S2, determining the heights of the pipelines on two sides of all the pipeline grooves based on the three-dimensional scanning data.
And S3, calculating the height difference of each pipeline positioned at the pipeline groove based on the pipeline heights at the two sides of each pipeline groove.
S4, comparing the height difference of each pipeline with a preset misalignment amount to obtain a detection result of whether the welded pipeline to be detected has misalignment defects.
In yet another aspect, the present invention provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the method for detecting a pipe welding misalignment defect provided by the above methods, the method comprising:
s1, acquiring three-dimensional scanning data of a welded pipeline to be detected by non-contact measuring equipment.
S2, determining the heights of the pipelines on two sides of all the pipeline grooves based on the three-dimensional scanning data.
And S3, calculating the height difference of each pipeline positioned at the pipeline groove based on the pipeline heights at the two sides of each pipeline groove.
S4, comparing the height difference of each pipeline with a preset misalignment amount to obtain a detection result of whether the welded pipeline to be detected has misalignment defects.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The method for detecting the welding misalignment defect of the pipeline is characterized by comprising the following steps of:
acquiring three-dimensional scanning data of a welded pipeline to be detected by non-contact measuring equipment;
determining the heights of the pipelines on two sides of all the pipeline grooves based on the three-dimensional scanning data;
calculating to obtain the height difference of each pipeline positioned at the pipeline groove based on the pipeline heights at the two sides of each pipeline groove;
and comparing the height difference of each pipeline with a preset misalignment amount to obtain a detection result of whether the welded pipeline to be detected has misalignment defects.
2. The method for detecting a welding misalignment defect of a pipeline according to claim 1, wherein the acquiring the three-dimensional scan data of the welded pipeline to be detected by the non-contact measurement device includes:
acquiring an original image and point cloud of the surface of a pipeline of a welded pipeline to be detected by non-contact measurement equipment;
and adjusting the original image and the point cloud of the pipeline surface to obtain three-dimensional scanning data.
3. The method for detecting a pipe welding misalignment defect according to claim 1, wherein determining pipe heights on both sides of all pipe grooves based on the three-dimensional scan data comprises:
and performing data processing on the three-dimensional scanning data by using a machine vision algorithm to obtain the heights of the pipelines at two sides of the pipeline groove.
4. A method for detecting a pipe welding misalignment defect according to any one of claims 1 to 3, wherein comparing each pipe height difference with a preset misalignment amount to obtain a detection result of whether a misalignment defect exists in a pipe to be welded, comprising:
and comparing each pipeline height difference with a preset misalignment amount, and if the absolute value of any pipeline height difference is larger than the preset misalignment amount, obtaining a detection result of the misalignment defect of the welded pipeline to be detected.
5. The method for detecting a pipe welding misalignment defect according to claim 3, wherein comparing each pipe height difference with a preset misalignment amount, and if the absolute value of any pipe height difference is greater than the preset misalignment amount, obtaining a detection result of the pipe welding misalignment defect to be detected, further comprising:
and marking the position of the pipeline groove with the absolute value of the pipeline height difference larger than the preset misalignment amount.
6. The utility model provides a detection device of pipeline welding misalignment defect which characterized in that includes:
the acquisition module is used for acquiring three-dimensional scanning data of the welded pipeline to be detected by the non-contact measurement equipment;
the processing module is used for determining the heights of the pipelines at two sides of all the pipeline grooves based on the three-dimensional scanning data;
the calculating module is used for calculating the height difference of each pipeline positioned at the pipeline groove based on the pipeline heights at the two sides of each pipeline groove;
and the detection module is used for comparing the height difference of each pipeline with a preset misalignment amount to obtain a detection result of whether the welded pipeline to be detected has a misalignment defect.
7. The device for detecting a pipe welding misalignment defect according to claim 6, wherein the obtaining module is specifically configured to:
acquiring an original image and point cloud of the surface of a pipeline of a welded pipeline to be detected by non-contact measurement equipment;
and adjusting the original image and the point cloud of the pipeline surface to obtain three-dimensional scanning data.
8. The device for detecting a pipe welding misalignment defect according to claim 6, wherein the processing module is specifically configured to:
and performing data processing on the three-dimensional scanning data by using a machine vision algorithm to obtain the heights of the pipelines at two sides of the pipeline groove.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for detecting a pipe welding misalignment defect according to any one of claims 1 to 5 when the program is executed by the processor.
10. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the method of detecting a pipe welding misalignment defect according to any of claims 1 to 5.
CN202311110222.4A 2023-08-30 2023-08-30 Detection method and device for welding misalignment defect of pipeline Pending CN117347268A (en)

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CN202311110222.4A CN117347268A (en) 2023-08-30 2023-08-30 Detection method and device for welding misalignment defect of pipeline

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Application Number Priority Date Filing Date Title
CN202311110222.4A CN117347268A (en) 2023-08-30 2023-08-30 Detection method and device for welding misalignment defect of pipeline

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