低成本可编程温度控制器  

Low Cost Programmable Temperature Controller

作　　者：吴东升[1] 邹吉峰[2] 周锡青[1] 任波[1] 

机构地区：[1]沈阳工业学院信息工程系,辽宁沈阳110045 [2]沈阳工业学院,辽宁沈阳110016

出　　处：《沈阳工业学院学报》2002年第3期40-44,共5页Journal of Shenyang Institute of Technology

摘　　要：介绍了微控制器 PIC1 6C62、热敏电阻和电容组成的温度测量电路及其测量方法 ,利用电容与热敏电阻组成充电电路将电阻值转换为时间 ,用微控制器测得时间算出电阻值 ,根据热敏电阻阻值与温度的关系得到温度值。并介绍了用此电路设计的可编程温度控制器及其工作原理 。This paper introduces the hardware structures ,systemic principle and characters of temperature Controller which is mainly consist of PIC16C62, thermosensitive resistor and capacitance. The converting circuit is composed of capacitance and resistance, which converts resistance and capacitance into time. The time is easy to be measured by microcontroller. According to the relation between temperature and thermosensitive resistor,the temperature can be get. The key hardware and software design techniques are also discussed.

关 键 词：低成本 可编程 温度控制器 微控制器 电容 热敏电阻 温度 

分 类 号：TK323[动力工程及工程热物理—热能工程] TP274.5[自动化与计算机技术—检测技术与自动化装置]