本系统用一种新型的可编程温度传感器（DS18B20），不需复杂的信号调理电路和A／D转换电路能直接与单片机完成数据采集和处理，实现方便、精度高，可根据不同需要用于各种场合本系统采用单片机作为核心部件，采用DS18B20集成温度传感器对温度进行实时采样，通过对采集到的温度值与人工设定的值进行比较，控制电热器的加热功率和自动注入冷水来实现温度控制，并显示当前值与设定值。-The system with a new type of programmable temperature sensor (DS18B20), without the complexity of the signal conditioning circuitry and A/D converter circuit can be completed directly with the single-chip data acquisition and processing, to facilitate the achievement of high precision, according to different the need for a variety of occasions, the system uses a single-chip microcomputer as the core component, the integrated temperature sensor DS18B20 temperature in real-time sampling, collected by the temperature and artificial values set to control the electric heater and the heating power into cold water to achieve automatic temperature control, and display the current value and set value.