【摘要】 为提高混凝土的质量,提出了利用圆筒型电容传感器测量沙子质量的设计方案,并设计了电容传感器的结构,采用了新型的微弱电容检测电路。经实验证明:该方法简便,可行,为沙子质量的检测提供了一种新的参考方法。更多还原

【Abstract】 To improve concrete quality,a design project for detecting sand weight using the cylindrical capacitive sensor is proposed.The configuration of the sensor is designed,and a new type of measurement circuit of small capacitance is adopted.This method is convenient and feasible proved by experiment.So a new reference method to measure sand weight is provided.更多还原