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鉴于原有的油罐液位测量方式存在工作效率和精度低的问题,提出了一种新的测量方法。这种测量方法将液位高度转换成电容传感器的移动距离,通过判断传感器的位置和检测电容值的变化量来计算罐内液位高度。介绍了新测量方法中的控制系统构成和工作原理,以及测量误差及其修正方法。
In view of the problems of low working efficiency and low accuracy, the original measurement method of tank level has proposed a new measurement method. This measurement method will be converted to a high degree of liquid level capacitance sensor moving distance, by determining the position of the sensor and the detection of capacitance changes to calculate the tank level. Introduced the new measurement method in the control system structure and working principle, as well as measurement error and its correction method.