设计以89c52单片机为核心，采用了温度传感器AD590，A/D采样芯片ADC0804，可控硅MOC3041及PID算法对温度进行控制。该水温控制系统是一个典型的检测、控制型应用系统，它要求系统完成从水温检测、信号处理、输入、运算到输出控制电炉加热功率以实现水温控制的全过程。-89c52 microcontroller as the core design, using a temperature sensor AD590, A/D sampling chip ADC0804, triac MOC3041 and PID algorithm for temperature control. The temperature control system is a typical test, the control-type applications, it requires the system to complete from the temperature detection, signal processing, input, output control electric operation to the heating power in order to achieve temperature control of the entire process.