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    • 7. 发明授权
    • Induction motor having reverse-rotation preventing function
    • 异步电动机具有防转动功能
    • US07459815B2
    • 2008-12-02
    • US11340627
    • 2006-01-27
    • Seung-Do HanHyoun-Jeong ShinJae-Hong AhnSeung-Suk OhDong-Il Lee
    • Seung-Do HanHyoun-Jeong ShinJae-Hong AhnSeung-Suk OhDong-Il Lee
    • H02K7/10H02K17/30H02K16/02H02K17/16
    • H02K7/125H02K7/1185H02K16/02H02K17/16H02K21/14
    • An induction motor having a reverse-rotation preventing function, comprises: a stator provided with a winding coil generating flux by a current; an induction rotor provided with a cage and rotatably inserted in the stator, wherein a rotary shaft is coupled to its inside; a synchronous rotor provided with a permanent magnet and rotatably coupled between the stator and the induction rotor; an induction-force generating unit generating a force for moving the synchronous rotor in an axial direction; and a rotation preventing unit preventing a reverse rotation by fixing the synchronous rotor moved by the induction-force generating unit at the time of reverse rotation of the synchronous rotor. When a reverse rotation of the induction motor occurs as a reverse-rotation force is applied to the induction rotor due to a phase of a voltage which is initially applied and an unparallel rotating magnetic field at the time of initial driving of the motor, the load inertia of the synchronous rotor is increased, and the reverse rotation of the synchronous rotor and the induction rotor is prevented. Also, the construction for preventing the reverse rotation of the motor is simplified, and a small number of components are required.
    • 一种具有反转防止功能的感应电动机,包括:定子,其设置有通过电流产生磁通的绕组线圈; 感应转子,其设置有保持架并且可旋转地插入定子中,其中旋转轴联接到其内部; 设置有永磁体并可旋转地联接在定子和感应转子之间的同步转子; 感应力产生单元,其产生用于沿轴向移动同步转子的力; 以及旋转防止单元,通过在同步转子的反转时固定由感应力产生单元移动的同步转子来防止反转。 当由于最初施加的电压的相位和在电动机的初始驱动时的不平行的旋转磁场而使感应电动机的反转力作用于感应转子时发生反转,所以负载 同步转子的惯性增加,并且防止同步转子和感应转子的反向旋转。 此外,用于防止马达反向旋转的结构简化,并且需要少量的部件。
    • 9. 发明申请
    • Induction motor having reverse-rotation preventing function
    • 异步电动机具有防转动功能
    • US20060175924A1
    • 2006-08-10
    • US11340627
    • 2006-01-27
    • Seung-Do HanHyoun-Jeong ShinJae-Hong AhnSeung-Suk OhDong-Il Lee
    • Seung-Do HanHyoun-Jeong ShinJae-Hong AhnSeung-Suk OhDong-Il Lee
    • H02K17/00
    • H02K7/125H02K7/1185H02K16/02H02K17/16H02K21/14
    • An induction motor having a reverse-rotation preventing function, comprises: a stator provided with a winding coil generating flux by a current; an induction rotor provided with a cage and rotatably inserted in the stator, wherein a rotary shaft is coupled to its inside; a synchronous rotor provided with a permanent magnet and rotatably coupled between the stator and the induction rotor; an induction-force generating unit generating a force for moving the synchronous rotor in an axial direction; and a rotation preventing unit preventing a reverse rotation by fixing the synchronous rotor moved by the induction-force generating unit at the time of reverse rotation of the synchronous rotor. When a reverse rotation of the induction motor occurs as a reverse-rotation force is applied to the induction rotor due to a phase of a voltage which is initially applied and an unparallel rotating magnetic field at the time of initial driving of the motor, the load inertia of the synchronous rotor is increased, and the reverse rotation of the synchronous rotor and the induction rotor is prevented. Also, the construction for preventing the reverse rotation of the motor is simplified, and a small number of components are required.
    • 一种具有反转防止功能的感应电动机,包括:定子,其设置有通过电流产生磁通的绕组线圈; 感应转子,其设置有保持架并且可旋转地插入定子中,其中旋转轴联接到其内部; 设置有永磁体并可旋转地联接在定子和感应转子之间的同步转子; 感应力产生单元,其产生用于沿轴向移动同步转子的力; 以及旋转防止单元,通过在同步转子的反转时固定由感应力产生单元移动的同步转子来防止反转。 当由于最初施加的电压的相位和在电动机的初始驱动时的不平行的旋转磁场而使感应电动机的反转力作用于感应转子时发生反转,所以负载 同步转子的惯性增加,并且防止同步转子和感应转子的反向旋转。 此外,用于防止马达反向旋转的结构简化,并且需要少量的部件。