采用AT89S52单片机为核心部件，用温度传感器DS18B20及超声波进行采集，控制水温、水位及报警电路的工作，传感器DS18B20测量温度范围-55～+125℃，精度可达±0.5℃，超声波测距范围宽，误差小于1 ，自动的温差补偿功能使其工作更加稳定可靠。-USES the AT89S52 single chip microcomputer as the core components, using temperature sensor DS18B20 and acquisition of ultrasonic water temperature, water level control and alarm circuit, sensor DS18B20 measurement- 55 ~+ 125 ℃ temperature range, accuracy of plus or minus 0.5 ℃, a wide range of ultrasonic ranging error is less than 1 , automatic temperature compensation function to make it work more stable and reliable.