超声波液位检测仪的设计

介绍了超声波测距的基本原理,对应超声波测距仪的误差产生原因,设计了一个以提高测量精度为目的的超声波液位测量仪原型系统,该系统包含脉冲发射电路,变增益接收电路,温度补偿电路和相应的控制电路.实验结果表明该设计方法可以提高超声波测距仪的测量精度并且硬件开销不大.

The Design of Ultrasonic Level Measurement Device

The principle of level measurement based on ultrasonic sensor is overviewed.A system aimed to enhance the accuracy of measurement is developed,which includes a pulse transmitter,a variable gain receiver,a temperature compensating circuit and related control logic.The result shows that the design methodology proposed in this paper could effective enhance the precision of the ultrasonic level measurement equipment with low cost.