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    • 1. 发明申请
    • Variable speed motor
    • 变速电机
    • US20050237022A1
    • 2005-10-27
    • US11113171
    • 2005-04-25
    • Dong KimByoung MinByung ChoiTae Lee
    • Dong KimByoung MinByung ChoiTae Lee
    • H02P25/04H02P27/06H02P5/06
    • H02P25/04
    • A variable speed motor includes first and second main windings wound on a stator, and a relay for performing a switching operation between serial/parallel connections of the first and second main windings to control motor speed. The variable speed motor further includes a tap winding connected in series to the main windings, or an additional capacitor, such that it can greatly extend the range of a variable speed without using a drive unit capable of changing the motor speed at an external location, resulting in reduced production costs of the motor, reduced electromagnetic vibration noise, and reduced power consumption.
    • 变速电动机包括缠绕在定子上的第一和第二主绕组以及用于在第一和第二主绕组的串联/并联连接之间执行开关操作以控制电动机速度的继电器。 变速电动机还包括与主绕组串联连接的抽头绕组或附加电容器,使得其可以在不使用能够改变外部位置处的电动机速度的驱动单元的情况下大大地扩展可变速度的范围, 导致电机的生产成本降低,电磁振动噪声降低,功耗降低。
    • 3. 发明申请
    • Variable speed motor
    • 变速电机
    • US20050269979A1
    • 2005-12-08
    • US11138465
    • 2005-05-27
    • Byoung MinByung ChoiTae Lee
    • Byoung MinByung ChoiTae Lee
    • H02K17/08H02P1/42H02P23/00H02P25/02H02P25/04H02P7/08
    • H02P25/18H02P25/04H02P25/188
    • An outer-rotor variable-speed motor, to which single-phase AC power is applied and on which a rotor is provided outside a stator, comprises first and second main windings provided on a stator of the motor to form a plurality of poles, a frequency detector for detecting the frequency of AC power applied to the motor, and a relay for connecting the first and second main windings in series if the detected frequency is 60 Hz and connecting the first and second main windings in parallel if the detected frequency is 50 Hz. The speed of the motor is kept constant even when power at different frequencies is applied, so that it is possible to reduce the manufacturing cost of the motor and reduce the power consumption, and also to reduce electromagnetic noise from the motor.
    • 一个外转子变速电动机,其上施加有单相交流电源并且在定子外部设置转子,包括设置在电动机的定子上以形成多个极的第一和第二主绕组, 频率检测器,用于检测施加到电动机的交流电力的频率;以及继电器,用于如果检测到的频率为60Hz,则将第一和第二主绕组串联连接,并且如果检测到的频率为50,则并联第一和第二主绕组 赫兹。 即使施加不同频率的电力,电动机的速度也保持恒定,从而可以降低电动机的制造成本并降低功率消耗,并且还可以降低电动机的电磁噪声。
    • 4. 发明申请
    • Variable speed motor
    • 变速电机
    • US20060181238A1
    • 2006-08-17
    • US11287207
    • 2005-11-28
    • Byung ChoiDong LeeByoung MinDong Kim
    • Byung ChoiDong LeeByoung MinDong Kim
    • H02P1/42
    • H02P25/20H02P25/04H02P25/18
    • A variable speed motor is disclosed. The variable speed motor includes: a main winding including first and second main windings, and an auxiliary winding including first and second auxiliary windings, wherein the main winding and the auxiliary winding are wound on a stator to form a plurality of poles; and a plurality of relays for performing a switching operation between serial/parallel connections of the first and second main windings or the first and second auxiliary windings. The variable speed motor includes: a stator on which a 4-pole winding and a 12-pole winding are wound; a plurality of tap windings connected in series to a 4-pole main winding forming 4 poles, for extending a variable range of rotation speed of the motor during a 4-pole operation mode; and a phase control circuit for varying rotation speed of the motor by controlling a phase of an input power-supply signal during a 12-pole operation mode. Therefore, the variable speed motor greatly extends the range of a variable speed of the motor, and does not require an additional drive unit for varying the motor speed, such that production costs are greatly reduced, and electromagnetic vibration noise caused by a low-speed control mode of the motor is also greatly reduced. Rotation speed of the motor is controlled by a phase control operation and a winding switching operation, such that the variable speed motor effectively controls the motor speed, and greatly reduces power consumption.
    • 公开了一种变速电动机。 变速马达包括:包括第一和第二主绕组的主绕组和包括第一和第二辅助绕组的辅助绕组,其中主绕组和辅助绕组缠绕在定子上以形成多个极; 以及用于在第一和第二主绕组或第一和第二辅助绕组的串联/并联连接之间进行切换操作的多个继电器。 变速电动机包括:四极绕组和12极绕组缠绕的定子; 与4极主绕组串联连接的多个抽头绕组,形成4极,用于在4极运行模式期间延长电动机的可变转速范围; 以及用于通过在12极运行模式期间控制输入电源信号的相位来改变电动机的转速的相位控制电路。 因此,变速电动机极大地延长了电动机的变速范围,不需要额外的驱动单元来改变电动机速度,从而大大降低了生产成本,并且由低速度引起的电磁振动噪声 电机的控制方式也大大降低。 电动机的转速通过相位控制运行和绕组切换动作进行控制,使得变速电动机有效地控制电动机转速,大大降低功耗。