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Rapid scanning method and system for detecting microcracks on surface of pressure equipment

A technology for detecting pressure and scanning method, applied in measurement devices, instruments, material analysis by electromagnetic means, etc., can solve problems such as safety accidents, missed inspections and improper disposal, and achieve the effect of overcoming engineering technical defects and shortening scanning distance.

Pending Publication Date: 2021-04-06
江苏安泰安全技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the distribution of multiple cracks is not accurately judged, it is easy to cause missed inspection and improper disposal, leading to serious safety accidents

Method used

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  • Rapid scanning method and system for detecting microcracks on surface of pressure equipment
  • Rapid scanning method and system for detecting microcracks on surface of pressure equipment
  • Rapid scanning method and system for detecting microcracks on surface of pressure equipment

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Embodiment Construction

[0027]In order to make the objects, technical solutions, and advantages of the present invention more clearly, the present invention will be described in further detail below by way of illustration and examples. It should be understood, however,, however, as used herein is intended to explain the invention, and is not intended to limit the scope of the invention.

[0028]Unless otherwise defined, all technical terms and scientific terms used herein are generally understood by those skilled in the art of the present invention, and the terms used in the specification of the present invention are intended to describe specific implementation purposes only. The purpose of the example is not intended to limit the invention.

[0029]Such asfigure 1 As shown, a system for detecting a surface microcrack of a pressure device comprising a subject; a substantial vehicle having a exciting coil vortex sensing device; the excitation magnetic coil vortex sensing device is driven by an excitation signal g...

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Abstract

The invention discloses a rapid scanning method and system for detecting microcracks on the surface of pressure equipment, and the scanning system at least comprises a probe combination which comprises probes with similar signal sensitivity but reduced spot size in equal ratio, wherein each probe has a working mode and a standby mode during detection; an excitation signal generator module and a displacement driving module which control the working probe to scan the surface of the detected body; a signal conditioning module, wherein the working probe receives a feedback signal of the surface of the detected body, converts the feedback signal into an electric signal and inputs the electric signal into the signal conditioning module; a signal acquisition module which is used for receiving the conditioned signal; an output module which is used for outputting a final scanning result; and a manual operation input module which provides a manual control input function. According to the method and the system, the scanning distance with the same defect resolution is greatly shortened, the scanning height is linear, the method and the system are suitable for computer processing planning, and the execution reliability can be relatively better guaranteed.

Description

Technical field[0001]The present invention relates to a rapid scanning method and system for detecting surface microcracks of a pressure device, belonging to the field of early detection technology.Background technique[0002]Metal and other material fatigue is an irreversible structure damage caused by circulating stress. According to statistics, 90% of mechanical accidents and metallic fatigue, including more than 60% of the aircraft crash and industrial equipment explosion. Fatigue accumulation is the direct cause of the structure suddenly breaking and even exploding. Material fatigue is also coupled to corrosion, stress corrosion. This is the phenomenon of failure under the effect of the corrosion environment and the stress, which is the main form of environmental fracture failure in nuclear power structural materials (several alloys).[0003]Metal and other materials are difficult to predict, and actually some extent is unpredictable. There are many factors affecting fatigue failur...

Claims

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Application Information

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IPC IPC(8): G01N27/90G01N27/9093G01B11/24
CPCG01N27/902G01N27/904G01N27/9093G01B11/24
Inventor 岑丽娟黄晖
Owner 江苏安泰安全技术有限公司
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