硅钼棒电阻炉温度控制系统的设计  

Design of the Temperature Control System of MoSi_2 Rod Resistance Furnace

作　　者：邱秀金[1] 杨勇军[1] 姜宏伟[1] 李武[1] 王茂春[1] 

机构地区：[1]中国工程物理研究院,四川绵阳621900

出　　处：《自动化仪表》2013年第5期30-33,共4页Process Automation Instrumentation

摘　　要：对硅钼棒炉原有温度控制系统进行了研究,研制了一套以智能温度控制器为核心、具有双闭环负反馈的温度控制系统。设计了主回路过电压和过电流保护电路,并根据加热件材质特性给出了工艺建议。调试结果表明,系统具有操作简单、故障率低和控制品质好等优点。实践证明,该控制系统具有一定的推广应用价值。The existing temperature control system for silicon molybdenum rod furnace is studied, and the temperature control system with the intelligent temperature controller as the core, and possesses dual closed-loop feedback is researched and developed. The over-vohage and over- current protection circuits for main loop are designed, and the suggestion of technological process in accordance with the material property of heated element is given. Commissioning indictes that the system features easy operation, low fault rate and good control quality. The practice proves that this control system possesses certain promoting and applicable values.

关 键 词：控制系统 智能温度控制器 双闭环 负反馈 PID 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]