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    • 3. 发明申请
    • MAGNETIC ACTUATOR
    • 磁力执行器
    • US20160111238A1
    • 2016-04-21
    • US14784445
    • 2013-07-11
    • Jilong YAOChao YANGYinghua SONGYanfeng ZHAOLanjin WANGJian CHENG
    • Jian CHENGYing Hua SONGLan Jin WANGChao YANGJi Long YAOYan Feng ZHAO
    • H01H50/18H01H50/64H01H50/42
    • H01F7/1646H01F7/081H01H3/22H01H3/28H01H50/18H01H50/42H01H50/64H01H2235/01
    • A magnetic actuator includes: a movable unit, movable between a first position and a second position, and including an integrally formed eddy-current component and first magnet yoke component; a second magnet yoke component to form a magnetic circuit with the first magnet yoke component; an electromagnetic coil capable of generating an exciting magnetic field when being energized, magnetic lines generated thereby being energized penetrating the magnetic circuit formed by the first and second magnet yoke components; an eddy-current coil to enable an eddy current to be generated in the eddy-current component, to produce an electromagnetic repulsive force to the movable unit; and a permanent magnetic holding component to hold the movable unit in the first position or the second position. The magnetic actuator can simplify the actuator, reduce the number of components and the size thereof, as well as reducing the energy consumption and improving the stability thereof.
    • 磁致动器包括:可移动单元,可在第一位置和第二位置之间移动,并且包括一体形成的涡流部件和第一磁轭部件; 第二磁轭组件,用于与第一磁轭组件形成磁路; 能够在被通电时产生励磁磁场的电磁线圈,由此产生的磁线穿过由第一和第二磁轭部件形成的磁路; 涡流线圈,用于在涡电流分量中产生涡电流,以产生对可移动单元的电磁排斥力; 以及永磁保持部件,用于将可动单元保持在第一位置或第二位置。 磁致动器可以简化致动器,减少部件数量及其尺寸,并且降低能量消耗并提高其稳定性。