Supersonic vortex and metal magnetic memory composite detecting system

A metal magnetic memory and detection system technology, applied in the direction of using sound wave/ultrasonic wave/infrasonic wave to analyze solids, material magnetic variables, instruments, etc., can solve the problems that are difficult to meet the needs of production, and achieve easy portability, light weight, and small size Effect

Inactive Publication Date: 2005-03-02
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

With the development of industry, the detection requirements for components in important industrial fields such as aerospace, nuclear power, ships, and petrochemicals are getting hig

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  • Supersonic vortex and metal magnetic memory composite detecting system
  • Supersonic vortex and metal magnetic memory composite detecting system
  • Supersonic vortex and metal magnetic memory composite detecting system

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with accompanying drawing, appended figure 1 It is a structural schematic diagram of an embodiment of the present invention, consisting of ultrasonic, eddy current and metal magnetic memory detection device 1, positioning scanning device 2, A / D converter 3, FPGA / CPLD4, CPU5, SDRAM6, LCD display screen 7, audio frequency 8, USB interface 9, network interface 10 and computer 11 are formed.

[0029] Operation process of the present invention is attached figure 2 As shown, the analog signal detected by the ultrasonic, eddy current and metal magnetic memory detection device 1 is filtered and amplified and converted into a digital signal through the A / D converter 3, and then the digital signal is filtered and transformed by the FPGA / CPLD4, and then transmitted to In SDRAM6, CPU5 performs image display and processing according to the data in SDRAM6, and can display one or more detection methods of ultrasoni...

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Abstract

The invention provides a compound detecting system with supersonic wave, vortex and metal magnetic memory. It is made up of detecting device, location scanning device, control system, displaying and recording device. The location scanning device is connected to the detecting device, the control system is connected to the detecting device, location scanning device, displaying and recording device respectively, its character lies in: the mentioned detecting device includes supersonic wave detecting device, vortex detecting device and metal magnetic memory detecting device. The invention carries on nondestructive testing by combining the supersonic wave, vortex and metal magnetic memory, and provides a detection method which is safer.

Description

technical field [0001] The invention belongs to the technical field of non-destructive testing, in particular to a composite testing system of ultrasonic wave, eddy current and metal magnetic memory. technical background [0002] Ultrasound has been used in flaw detection for a long time, because ultrasonic is generally suitable for detecting internal defects, and it is almost powerless for surface and near-surface defects; eddy current uses alternating signals, and due to the characteristics of electromagnetic waves, eddy current is suitable for detecting surface and near-surface defects. It cannot be used to detect internal defects; now there are also two kinds of ultrasonic and eddy current flaw detection devices combined for non-destructive flaw detection, but the two are just a simple combination, which can only detect macroscopic defects and internal stress concentration. powerless. [0003] The invention patent with the Chinese patent appli...

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Application Information

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IPC IPC(8): G01N27/90G01N29/04G01N35/00
Inventor 陈铁群谢宝忠
Owner SOUTH CHINA UNIV OF TECH
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