【摘要】 利用磁性液体既具有磁体磁性又具有液体流动性的特性设计出一种新型的一维磁性液体水平传感器。推导了水平传感器输出电压的表达式。对影响传感器灵敏度的各因素(激励信号频率、峰值电流、磁性液体磁化系数)进行了分析,并进行了相应的实验研究。理论计算结果与实验结果相符合。这种传感器具有高灵敏度的特性。更多还原

【Abstract】 A new kind of uniaxial level sensor is designed based on magnetic liquid’s unique property of the coexisting of magnetism and fluidity.Formulas describing the new sensor’s sensing voltage are deduced.The factors affecting the sensor sensitivity are inspected,which include the exciting signal frequency,the peak current and the magnetic liquid’s susceptibility.The experimental results fit well with the theoretical analysis.This new sensor is featured by its high sensitivity.更多还原