轻型飞机燃油油量表指示器的原理设计和定量分析

Principle Design and Quantitative Analysis of Indicator for Oil-fired Light Aircraft Oil-Volume-Meter

燃油油量的测量，方法很多。本文首先论述了浮子电位器式传感器与电阻电桥相匹配的测量原理以及计算方法，再引伸到利用晶体管输出阻抗的变化与电阻电桥相匹配的测量原理，达到测量目的，最后给出实用电路图。

Many methods are used to measuring the quantily of fuel oil. This paper deals with measuring principle of the matching of carburetor float electric potential instrumental sensor and electric resistance and bridge, and calculating method.Jhus making use of measuring principle of the matching of the change of transistor output impedance and eletric resistance and bridge can lead to achieving the goal of measuring.Also the paper provides a practical circuit diagram.