本文介绍了电容法测量水箱水位的方法,用自制的平板式电容传感器进行水位测量实验,根据极板之间介质量的变化引起电容量随之发生变化,设计了相应的测量电路,得出传感器电容值、转换频率、输出电压等多种参量的变化规律和相关实验数据。 This paper introduces the method of capacitance measuring tank water level, with homemade flat-panel capacitance sensor for water level measurement experiments, according to changes in the dielectric between the plates caused by capacitance changes, the corresponding measurement circuit design, the sensor Capacitance, switching frequency, output voltage and other parameters of the variation and related experimental data.