采用DS18B20作温度补偿的超声波液位计

Development of Sensor Development of an Ultrasonic Liquidometer Based on DS18B20 Temperature Sensor

介绍一种利用 DS18B20 温度传感器作温度补偿实现超声波液位计的设计方案,在分析超声波测量液位的误差来源之后,详细介绍了系统硬件和软件的设计方法。实验结果表明,本测量方案工作稳定,性能良好,较之以往的测量方案有许多优点。

A design approach of an ultrasonic liquidometer by DS18B20 temperature sensor is introduced. After analyzing the source of uncertainty in measuring, the detailed hardware and software design methods are dwelt on. Experiment results show that the instrument works stably, and its quality is better than former measure schemes.