DSP (digital signal processor) based detection system for steel wire rope defects
A defect detection and steel wire rope technology, applied in the direction of material magnetic variables, etc., can solve the problems of poor reliability, large volume, high cost, etc., and achieve the effects of low equipment cost, convenient disassembly, and simple structure
Inactive Publication Date: 2017-03-08
CHINA UNIV OF MINING & TECH
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Problems solved by technology
The current systems used for wire rope defect detection have shortcomings such as large size, high cost, low precision, and poor reliability. Therefore, it is urgent to develop an efficient, reliable, and portable wire rope defect detection system
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[0009] Such as figure 1 Shown, a kind of steel wire rope defect detection system based on DSP has a magnetization device for carrying out magnetization to steel wire rope, the signal acquisition device for collecting magnetic flux leakage signal and the DSP signal processor for data processing; Described signal acquisition device A plurality of Hall sensors 2 are adopted, and a plurality of Hall sensors are arranged in a matrix to form a circular detection circle, and the wire rope passes through the circular detection circle; the magnetization device includes two excitation mechanisms 1, two excitation mechanisms 1 Symmetrically arranged above and below the circular detection circle; the DSP signal processor sends the processed signal to the PC through the data acquisition card.
[0010] Such as figure 1 As shown, the excitation mechanism 1 is composed of a soft magnet 12 and a permanent magnet 11 arranged at both ends of the soft magnet. The two permanent magnets correspond...
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The invention as a DSP (digital signal processor) based detection system for steel wire rope defects, and relates to the technical field of detection of steel wire rope defects. The detection system comprises a magnetizing device for magnetizing a steel wire rope, a signal acquisition device for acquiring signals and a DSP for data processing, wherein the signal acquisition device adopts a plurality of hall sensors which are arranged according to matrices to form a circular detection ring, and the steel wire rope passes through the circular detection ring; the magnetizing device comprises two excitation mechanisms which are symmetrically arranged respectively above and below the circular detection ring; and the DSP transmits processed signals to a PC through a data acquisition card. The DSP based detection system has a simple structure and convenience in disassembly, and can acquire and process defect signals of the steel wire rope conveniently and effectively, thereby evaluating the safety in use of the steel wire rope; and the DSP based detection system has relatively low equipment cost and small limitation in detection, and is applicable to a complicated working environment.
Description
technical field [0001] The invention relates to the technical field of steel wire rope defect detection, in particular to a DSP-based steel wire rope defect detection system. Background technique [0002] Steel wire rope is widely used in many industrial fields, so its safety has always been a concern of everyone. The current systems used for wire rope defect detection have shortcomings such as large size, high cost, low precision, and poor reliability. Therefore, it is urgent to develop an efficient, reliable, and portable wire rope defect detection system. Contents of the invention [0003] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a DSP-based wire rope defect detection system, which can conveniently and efficiently collect and analyze wire rope defect signals, thereby evaluating the safety of the wire rope. [0004] The present invention is realized by the following technical scheme: a DSP-based steel wire ro...
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Inventor 刘伟超田浩元徐桂云赵志科孙佳圣孙国帅李立军
Owner CHINA UNIV OF MINING & TECH