半导体车载冰箱的智能温控系统设计  

Design of intelligent temperature control system for car refrigerator

作　　者：王千贵 杨永跃[1] 

机构地区：[1]合肥工业大学仪器科学与光电工程学院,安徽合肥230009

出　　处：《电子设计工程》2012年第17期132-134,共3页Electronic Design Engineering

摘　　要：文中采用模块化设计方法,以STC单片机为控制核心,运用PID算法进行运算,用数字式传感器DS18B20测量温度,大电流放大器OPA549驱动半导体制冷器TEC1-12706控制箱体温度,液晶显示屏TDJM1602实时显示,设计出用于车载冰箱的智能温控系统。该系统也能应用于饮水机,医疗恒温箱等器件中。Depended on the modular design method, an intelligent temperature control system is designed for car refrigerator which is based on core control-a STC microcontroller, PID algorithm for operation , a digital sensor DS18B20 for measuring temperature ,a large current amplifier OPA549 for driving a semiconductor cooler TEC1-12706 to control temperature, liquid crystal display TDJM1602 for real-time display. The system can also be used in water dispenser, medical devices such as the constant temperature box.

关 键 词：STC单片机 半导体制冷器 PID控制 实时显示 

分 类 号：TN7[电子电信—电路与系统]