【摘要】 超声波传感器是自动控制的重要元器件,其使用范围极广,然而对其性能的检测却较为困难。本文利用单片微机通过接口扩展,实现了对超声波传感器性能的测试。该测试装置由超声波发射电路、超声波接收电路、MCS-51单片机扩展的测试电路以及测试软件组成。本文介绍了测试装置的组成和工作原理。该测试装置具有结构简单、使用方便、测试结果可信等优点。更多还原

【Abstract】 The ultrasonic sensor is an important element of automatic control,which has a wide use,but its state is hard to test.This text makes use of singlechip through extending interface,to achieve judging the state of ultrasonic sensors.The testing device consists of ultrasonic transmitter circuit、ultrasonic receiver circuit、the testing circuit extended from singlechip MCS51 and the testing software.This paper expatiates the makeup and the working principle of the testing device.The testing device is characteristic of credible work and easy measure.更多还原