混合式生丝断丝检测传感器设计
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摘要
针对生丝直径很细导致无法准确检测出生丝断丝的问题,依据光电管对射原理,设计出一种检测生丝断丝的传感器。传感器由机械部分和电路部分组成:机械部分包括生丝断丝间接测量机构、光电管安装机构和安装外壳;电路部分包括信号发送、信号接收、信号处理等电路,单片机电路,LED驱动电路。将传感器安装在纤度机上进行实验,并对生丝断丝前后的输出信号进行采集。结果表明:传感器成功将生丝断丝产生的微弱光信号转换成单片机可识别和处理的电信号,实现了生丝断丝故障的准确检测和报警提醒功能;该传感器在生丝断丝故障检测中具有较高的实用性和有效性。
For the problem of difficult detection on broken raw silk due to the very tiny diameter of the raw silk,a hybrid sensor for detecting the broken raw silk was designed based on the theory of photoelectric diode. The sensor is composed of a mechanical part and a circuit part. The mechanical part includes an indirect measurement mechanism of broken raw silk, a photoelectric diode installation mechanism and an installation shell. The circuit part includes several circuits about signal transmission,signal reception,signal processing and other modules,such as SCM module and LED drive module. The measurement was conducted after the sensor was installed on a denier machine. The optical signals before and after the raw silk broken were collected. The results show that the sensor can convert the faint optical signals into electrical signals which can be recognized and processed directly by SCM. The sensor has high practicability and effectiveness in the detection of broken raw silk.
For the problem of difficult detection on broken raw silk due to the very tiny diameter of the raw silk,a hybrid sensor for detecting the broken raw silk was designed based on the theory of photoelectric diode. The sensor is composed of a mechanical part and a circuit part. The mechanical part includes an indirect measurement mechanism of broken raw silk, a photoelectric diode installation mechanism and an installation shell. The circuit part includes several circuits about signal transmission,signal reception,signal processing and other modules,such as SCM module and LED drive module. The measurement was conducted after the sensor was installed on a denier machine. The optical signals before and after the raw silk broken were collected. The results show that the sensor can convert the faint optical signals into electrical signals which can be recognized and processed directly by SCM. The sensor has high practicability and effectiveness in the detection of broken raw silk.
引文
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[2]胡巍,汪良敏.生丝自动化检测的限制分析[J].仪器仪表学报,2006,27(6):365-377.HU Wei,WANG Liangmin.Analysis of raw silk present automatic inspection[J].Chinese Journal of Scientific Instrument,2006,27(6):365-377.
[3]沈丹峰,赵宁,张华安,等.纬纱红外光电检测方法与可靠性[J].纺织学报,2012,33(12):75-79.SHEN Danfeng,ZHAO Ning,ZHANG Hua'an,et al.Study of methods and reliability of weft signal detection with infrared photoelectric sensor[J].Journal of Textile Research,2012,33(12):75-79.
[4]陆永良,杨海军,何良,等.光电法毛条纤维长度和直径测试方法研究[J].毛纺科技,2014,42(8):49-52.LU Yongliang,YANG Haijun,HE Liang,et al.Research on test method for fiber length and diameter of wool top of optical analyser[J].Wool Textile Journal,2014,42(8):49-52.
[5]宋晓亮,刘建立,徐阳,等.光电式环锭断纱在线监测系统[J].纺织学报,2014,35(8):94-98.SONG Xiaoliang,LIU Jianli,XU Yang,et al.On-line detecting system based on optoelectronic technology for ring spun-yarn breakage[J].Journal of Textile Research,2014,35(8):94-98.
[6]FEI Wanchun.Photoelectric measurement of the fineness of raw silk[J].Journal of Measurement Science and Instrumentation,2010,1(3):205-207.
[7]陈庆官,冯国平.用SD-I型细度仪测量缫制中的生丝纤度[J].苏州丝绸工学院学报,1995,15(2):87-92.CHEN Qingguan,FENG Guoping.Size measurement of silk in reeling with model SD-1 size tester[J].Journal of Suzhou Institute of Silk Textile Technology,1995,15(2/3):87-92.
[8]王晨.基于机器视觉的生丝电子检测方法[D].苏州:苏州大学,2016.WANG Chen.A method of raw silk electronic detection based on machine vision[D].Suzhou:Soochow University,2016.
[9]魏为柱,陈庆官.基于NI CRIO平台的生丝电子实时检测系统的开发[J].丝绸,2010(3):24-26.WEI Weizhu,CHEN Qingguan.Development of realtime electronic detection system for raw silk based on NIcRIO[J].Journal of Silk,2010(3):24-26.
[10]刘凤娇,周望.生丝细度非接触式实时动态测量[J].纺织学报,2012,33(11):127-131.LIU Fengjiao,ZHOU Wang.Real-time dynamic measurement of raw silk fineness[J].Journal of Textile Research,2012,33(11):127-131.
[11]费万春,朱亚一,崔晓丽,等.生丝截面积的光电检测方法研究[J].纺织学报,2002,23(3):17-19.FEI Wanchun,ZHU Yayi,CUI Xiaoli,et al.Study on photoelectric detection method of raw silk sectional area[J].Journal of Textile Research,2002,23(3):17-19.