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利用磁流变液体的可控特性,设计了一种外侧圆环阻尼间隙双线圈磁流变阀,同时计算了双线圈磁流变阀的磁路。采用ANSYS有限元仿真软件对双线圈磁流变阀进行了建模仿真分析,比较了绕线筒直径、有效阻尼长度及阻尼间隙对磁场特性的影响,得出了最佳磁力线分布和磁感应强度大小。建立了双线圈磁流变阀的压差数学模型,分析了磁流变阀结构参数对压降特性的影响。相关结论的应用可有效地提高阀的工作效率。
Based on the controllable property of magnetorheological fluid, a double loop magnetorheological valve with outer annular ring damping gap was designed, and the magnetic circuit of the dual coil magnetorheological valve was also calculated. The finite element simulation software ANSYS was used to simulate and analyze the dual coil magnetorheological valve. The effects of bobbin diameter, effective damping length and damping gap on the magnetic field characteristics were compared. The best magnetic field distribution and magnetic flux density size. The mathematical model of differential pressure in a two-coil magnetorheological valve was established, and the influence of structural parameters of the magnetorheological valve on pressure drop characteristics was analyzed. The application of relevant conclusions can effectively improve the working efficiency of the valve.