【作者】 刘彦华； 乔建伟； 席东河；

【Author】 LIU Yan-hua~1,QIAO Jian-wei~2,XI Dong-he~1 (1.School of Electrical Engineering,Henan Industry Vocational Technique College,Nanyang 473009,China; 2.Technique Centre,Nanyang Explosion Prevention Group,Nanyang 473009,China)

【机构】 河南工业职业技术学院电子工程系； 南阳防爆集团技术中心；

【摘要】 以STC12C5628AD单片机为核心,设计本质安全型电机温度监控仪的硬件电路和控制程序。监控仪不仅具有检测、放大、A/D转换、报警、按键、显示等功能,而且采用PID控制,提高了控制精度。该监控仪经检测,符合国家相关标准规定,防爆标志ibⅡCT4。更多还原

【Abstract】 Make the STC12C5628AD SCM(Single Chip Microcontroller) as the core,the hardware circuit and control programme of the intrinsically safe motor temperature monitor instrument are designed.This monitor instrument does not only have the functions of testing,enlarging,A/D transformation,and alarming,buttoning, display and so on,but also use PID control to improve the control precision.By detecting,this monitor instrument meet the relevant national standards,the explosion-proof mark is ibⅡCT4.更多还原