基于单片机的恒温控制器的设计和实现  

Design and Implementation of Constant Temperature Controller Based on Singlechip

作　　者：李善寿[1,2] 方潜生[1,2] 肖本贤[3] 汪小龙[1,2] 

机构地区：[1]安徽建筑工业学院电子与信息工程学院,安徽合肥230022 [2]安徽省智能建筑重点实验室,安徽合肥230022 [3]合肥工业大学电气与自动化工程学院,安徽合肥230009

出　　处：《计算机技术与发展》2008年第12期197-199,共3页Computer Technology and Development

基　　金：建设部重点计划项目(06-K9-61)

摘　　要：为了实现微生物分析仪中的恒温控制,从而实现检测样品在恒温环境内的检测,介绍了基于PID算法和PWM(脉冲宽度调制)技术的嵌入式恒温控制器的设计和实现方法。该系统采用新型单片机P89V51RD2作为系统控制器,采用基于单总线协议的DS18B20温度传感器作为检测元件,简化了系统的接口电路。该系统在微生物分析仪中的应用结果证明了系统设计方法的有效性。In order to implement the control of constant temperature in instrument of Microbe,and the examination of the sample can be performed in it, the design and implementation of embedded controller which based on the algorithm of PID and the technology of PWM was introduced. In the system, the miero- controller of P89V51RD2 was used, and the temperature sensor of DS18B20 which is based on the singlebus protocol was used as the sensing part, which simplified the interface circuit in the system. The result of the application in instrument of Microbe indicated the validity of the design and implementation of embedded constant temperature controller.

关 键 词：恒温控制 PID算法 PWM 单总线协议 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构] TH811[自动化与计算机技术—计算机科学与技术]