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介绍了利用磁通法进行混合型永久磁铁的设计方法,相比传统的利用磁路的设计方法要精确了很多。结合加速器磁铁的设计原理,利用辐向磁化以及轴向永磁体和高磁导率铁钴钒极头对磁场的收拢作用,设计和制造出场强高于2.4 T的混合型永久磁铁。借助二维及三维磁场设计程序的计算和优化,可以设计制造出场强高且均匀度更好的永久磁铁。利用永久磁铁所产生的强磁场,可使磁铁的制造运行费用低,它们在加速器磁铁、材料科学研究、永磁电机、核磁共振成像技术中具有广阔的应用前景。
Introduced the use of magnetic flux method for hybrid permanent magnet design method, compared to the traditional use of magnetic circuit design method to be much more accurate. Combining with the design principle of accelerator magnet, a hybrid permanent magnet whose field strength is higher than 2.4 T is designed and manufactured by using radial magnetization and axial permanent magnet and high permeability Fe-Cr vanadium pole. With the calculation and optimization of two-dimensional and three-dimensional magnetic field design programs, it is possible to design and manufacture permanent magnets with high field intensity and better uniformity. The use of a strong magnetic field produced by permanent magnets can make the magnets less expensive to manufacture and operate and have broad application prospects in accelerator magnets, material science research, permanent magnet motors and nuclear magnetic resonance imaging technology.