吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (增刊1): 293-296.

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Automatic detection system for blocking state of viscose fibre spinneret

LIN Xiao-long, ZHANG Tie-qiang, ZHANG Jia-quan, HE Li-qiao   

  1. College of Physics, Jilin University, Changchun 130022, China
  • Received:2010-09-23 Online:2011-09-01 Published:2011-09-01

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Abstract:

This essay introduces an automatic detection system for blocking state of viscose fibre spinneret.This system applies parallel light transmission and illuminates on the spinneret,amplification imaging to CCD through optical system,and collects data through data card.It utilizes variable step size Laplace focusing evaluation function to realize the auto-focus of the system.It utilizes optical intensity adjustment method to achieve an automatic selection of optical intensity and maximumally eliminate the measurement tolerance arisen by diffraction.It uses self-developed image processing software to analyze the state of pushing holes,measuring the diameter for the unblocked pushing holes and calculating the percentage of blocking area for blocked pushing holes.Detection time for the whole spinneret is less than 10 seconds,and detection precision is greater than 2 μm.This system applies to the detection of blocking state of viscose fibre spinneret in the chemical fabrics industry.

Key words: computer application, viscose fibre, spinneret, blocking of pushing holes, photo-electronic detection, image processing

CLC Number: 

  • TP391.41


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