电子科技 ›› 2020, Vol. 33 ›› Issue (6): 46-51.doi: 10.16180/j.cnki.issn1007-7820.2020.06.009

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一种多区域空冷式高低温精确温控系统的研究

陈明方,臧家秀,张永霞   

  1. 昆明理工大学 机电工程学院,云南 昆明 650500
  • 收稿日期:2019-04-07 出版日期:2020-06-15 发布日期:2020-06-18
  • 作者简介:陈明方(1975-),男,博士,副教授。研究方向:机器人系统集成及应用。
  • 基金资助:
    国家重点研发计划项目(2017YFC1702503);国家自然科学基金(61873115);云南省重大科技专项(2017RA010);昆明理工大学引进人才科研启动基金项目(KKZ3201601002)

Research on A Multi-area Air-cooled Precise Temperature Control System with High and Low Temperature

CHEN Mingfang,ZANG Jiaxiu,ZHANG Yongxia   

  1. School of Mechanical and Electrical Engineering,Kunming University of Science and Technology,Kunming 650500,China
  • Received:2019-04-07 Online:2020-06-15 Published:2020-06-18
  • Supported by:
    National Key Research and Development Program(2017YFC1702503);National Natural Science Foundation of China(61873115);Major Science and Technology Projects in Yunnan Province(2017RA010);Kunming University of Science and Technology Initiated Fund Project of Introducing Talents for Scientific Research(KKZ3201601002)

摘要:

为解决多区域空冷式高低温高精度控制问题,文中设计了一种新型大空间、多区域的控制方法。该方法采用PLC作为控制核心,以PT100温度传感器作为测温元件,以冷热机组作为温度调节元件,结合宏观PID控制算法、快速PWM调节及冷热机组混合调节控制实现对多区域温度的精确控制。该方法基于组态软件开发了用户登录功能,实验样机测试结果表明,该系统可以实现-520 ℃范围内温度精度为±0.5 ℃,2060 ℃范围内温度精度为±0.1 ℃的温度控制,其比常规PID算法的控制精度更高、可靠性更好且操作简便,具有良好的推广价值。

关键词: 高低温精确控制, 宏观PID控制, 快速PWM调节, 冷热机组混调, MCGS组态登录管理

Abstract:

In order to solve the problem of high-temperature and high-temperature control of multi-zone air-cooling, this study designed a new large-space and multi-area control method. The method adopted PLC as the control core, using PT100 temperature sensor as the temperature measuring component, and the temperature as the temperature of the cooling and heating unit. Adjusting components, combined with macro PID control algorithm, fast PWM regulation and hybrid control of the heating and cooling unit to achieve precise control of multi-zone temperature. The user login function was developed based on MCGS configuration software. The experimental prototype test showed that the system could achieve temperature accuracy of ±0.5 ℃ in the range of -520 ℃ and temperature accuracy of ±0.1 ℃ in the range of 2060 ℃.The practical application verified that the proposed method had higher control precision, better reliability and simple operation than the conventional PID algorithm, indicating it had good promotional value.

Key words: high and low temperature precise control, macroscopic PID control, fast PWM regulation, mixing of hot and cold units, MCGS configuration login management

中图分类号: 

  • TP271+.4