充磁后粘接对永磁体表面磁感应强度影响研究

Effect of Bonding after Magnetization on Surface Magnetic Induction Intensity of Permanent Magnet

随着节能减排概念的推广及普及,非接触式永磁传动设备的应用日益广泛,但永磁体磁性能制约着永磁设备传动能力的发展。为提升永磁体扭矩传动能力,利用Ansys软件对矩形永磁体、瓦型永磁体整体充磁和先充磁后粘接两种工艺路线的表面磁感应强度进行比较,发现充磁后粘接与整体充磁相比可以提高永磁体表磁,而且分块越多,提升效果越明显。充磁后永磁体应用于磁场调制式永磁变速机研发中,大幅提高了永磁变速机的扭矩。

With the popularization of the concept of energy conservation and emission reduction, non-contact permanent magnet transmission equipment is widely used, but the magnetic properties of permanent magnets restrict the development of transmission capacity of permanent magnet equipment. In order to improve the torque transmission capacity of permanent magnet, the surface magnetic induction intensity of rectangular permanent magnet and tile permanent magnet is compared by ANSYS software. It is found that bonding after magnetization can improve the surface magnetism of permanent magnet compared with overall magnetization, and the more blocks, the more obvious the improvement effect. After magnetization, the permanent magnet is applied to the research and development of magnetic field modulated permanent magnet transmission, which greatly improves the torque of permanent magnet transmission.