嵌入式冶炼设备温度控制系统  

Temperature control system of embedded smelting equipment

作　　者：廖长荣[1] 胡代洲[1] 

机构地区：[1]重庆文理学院电子电气工程学院,重庆永川402160

出　　处：《重庆文理学院学报（自然科学版）》2012年第6期27-30,共4页Journal of Chongqing University of Arts and Sciences

摘　　要：系统以AT89C51系列单片机为控制单元,采用PTC-100传感器采集多点温度数据,应用模拟开关CD4051快速对多个测试点切换并读取各个点的温度数据,该系统具有结构新颖、电路简单和控制方便等优点,其测试范围在-100℃～300℃,温度显示的精度为1℃.并可以根据需要设置温度的上限值和下限值,系统具有超过设置上限和下限值时自动控制和提示.系统可以应用于各个领域特别是温度较高人体无法接近的领域.The system uses AT89C51 series single chip computer as control unit,using PTC-100sensor to collect multi-point temperature data,and using analog switch CD4051 fast for multiple test point switch and to read each point temperature data.What＇s more,it has the advantages of novel structure,simple circuit and convenient control and so on,the test of which is in the range of-100 ℃ ~ 300 ℃,and temperature display precision of which is 1 ℃.And it may set the temperature of the upper limit and lower limit,which automatically control and point out when the system exceeds the upper limit and lower limit value.The system can be applied in various fields,especially inaccessible high temperature areas.

关 键 词：温度监控 多点温度测量与控制 模拟开关CD4051 

分 类 号：TN710.9[电子电信—电路与系统]