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Investigation on Electromagnetic Models of High-Speed Solenoid Valve for Common Rail Injector

机译：共轨喷油器高速电磁阀电磁模型研究

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摘要

A novel formula easily applied with high precision is proposed in this paper to fit the B-H curve of soft magnetic materials, and it is validated by comparison with predicted and experimental results. It can accurately describe the nonlinear magnetization process and magnetic saturation characteristics of soft magnetic materials. Based on the electromagnetic transient coupling principle, an electromagnetic mathematical model of a high-speed solenoid valve (HSV) is developed in Fortran language that takes the saturation phenomena of the electromagnetic force into consideration. The accuracy of the model is validated by the comparison of the simulated and experimental static electromagnetic forces. Through experiment, it is concluded that the increase of the drive current is conducive to improving the electromagnetic energy conversion efficiency of the HSV at a low drive current, but it has little effect at a high drive current. Through simulation, it is discovered that the electromagnetic energy conversion characteristics of the HSV are affected by the drive current and the total reluctance, consisting of the gap reluctance and the reluctance of the iron core and armature soft magnetic materials. These two influence factors, within the scope of the different drive currents, have different contribution rates to the electromagnetic energy conversion efficiency.
机译：提出了一种易于应用的高精度公式，以拟合软磁材料的B-H曲线，并与预测和实验结果进行了比较。它可以准确地描述软磁材料的非线性磁化过程和磁饱和特性。基于电磁瞬态耦合原理，用Fortran语言开发了一种高速电磁阀（HSV）的电磁数学模型，该模型考虑了电磁力的饱和现象。通过仿真和实验静态电磁力的比较验证了模型的准确性。通过实验可以得出结论，驱动电流的增加有利于在低驱动电流下提高HSV的电磁能转换效率，而在高驱动电流下几乎没有作用。通过仿真发现，HSV的电磁能转换特性受驱动电流和总磁阻的影响，总磁阻由间隙磁阻，铁芯和电枢软磁材料的磁阻组成。在不同的驱动电流的范围内，这两个影响因素对电磁能量转换效率具有不同的贡献率。

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  • 来源
    《Mathematical Problems in Engineering》 |2017年第6期|9078598.1-9078598.10|共10页
  • 作者

    Zhao Jianhui; Fan Liyun; Liu Peng; Grekhov Leonid; Ma Xiuzhen; Song Enzhe;

  • 作者单位

    Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Peoples R China;

    Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Peoples R China;

    Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Peoples R China;

    Bauman State Tech Univ, Coll Power Engn, Moscow 115569, Russia;

    Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Peoples R China;

    Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Peoples R China;

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