| 管材挤出机超声波测厚系统的研究 |
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| 引用本文： | 常源,王伟明,刘继红.管材挤出机超声波测厚系统的研究[J].塑料,2008,37(5). |
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| 作者姓名： | 常源 王伟明 刘继红 |
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| 作者单位： | 北京化工大学机电工程学院,北京,100029 |
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| 摘 要： | 围绕超声波的接受和发射的电路设计,讨论了基于单片机的系统硬件和软件的构成,重点研究了如何采集超声信号和对脉冲信号的处理,并设计了PLC和单片机之间的通信协议和硬件接口电路,利用RS485芯片将PLC自由口和单片机的串口连接起来,将壁厚数据送到建立在PLC平台上的控制系统,可以提高管材生产线的自动化水平和生产效率。
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| 关 键 词： | PLC 单片机 超声波 测厚系统 挤出机 |
Ultrasonic System for Thickness Measure of Plastics Extruder |
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| CHANG Yuan,WANG Wei-ming,LIU Ji-hong.Ultrasonic System for Thickness Measure of Plastics Extruder[J].Plastics,2008,37(5). |
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| Authors: | CHANG Yuan WANG Wei-ming LIU Ji-hong |
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| Abstract: | The system,which was based on the single chip microcomputer and PLC introduced ultrasonic thickness measurement system online detailedly.Construction the ultrasonic transmits and receives circuit based on C51 SCM.Design the communication protocol between the MCU and PLC.RS-485 chip could be used to communicate the free port of PLC and MCU serial port,reducing system cost and easy to implement. |
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| Keywords: | PLC single chip ultrasonic thickness measurement system extruder |
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