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    • 8. 发明授权
    • Fan speed control device and method detailed description of the invention
    • 风机转速控制装置及方法
    • US07447423B2
    • 2008-11-04
    • US11606089
    • 2006-11-30
    • Chun-Lung ChiuMing-Shi TsaiWen-Shi Huang
    • Chun-Lung ChiuMing-Shi TsaiWen-Shi Huang
    • G05F1/10
    • H02P7/2913H02P7/2885
    • A fan speed control device includes a controller, a switch and a voltage regulator. The controller detects a rotation speed signal of the fan to generate a first driving signal when the rotation speed signal is relatively higher than a predetermined rotation speed signal and generates the first driving signal and a second driving signal when the rotation speed signal is relatively lower than the predetermined rotation speed signal. The switch is electrically connected with the controller and receives the first driving signal. The voltage regulator, which is electrically connected with the controller, the switch and the fan, receives the second driving signal, and controls the rotation speed of the fan in accordance with the first driving signal and the second driving signal.
    • 风扇速度控制装置包括控制器,开关和电压调节器。 当转速信号相对高于预定转速信号时,控制器检测风扇的转速信号以产生第一驱动信号,并且当转速信号相对低于预定转速信号时产生第一驱动信号和第二驱动信号 预定转速信号。 开关与控制器电连接并接收第一驱动信号。 与控制器,开关和风扇电连接的电压调节器接收第二驱动信号,并且根据第一驱动信号和第二驱动信号来控制风扇的转速。
    • 9. 发明申请
    • Fan speed control device and method detailed description of the invention
    • 风机转速控制装置及方法
    • US20070133956A1
    • 2007-06-14
    • US11606089
    • 2006-11-30
    • Chun-Lung ChiuMing-Shi TsaiWen-Shi Huang
    • Chun-Lung ChiuMing-Shi TsaiWen-Shi Huang
    • G05F1/10
    • H02P7/2913H02P7/2885
    • A fan speed control device includes a controller, a switch and a voltage regulator. The controller detects a rotation speed signal of the fan to generate a first driving signal when the rotation speed signal is relatively higher than a predetermined rotation speed signal and generates the first driving signal and a second driving signal when the rotation speed signal is relatively lower than the predetermined rotation speed signal. The switch is electrically connected with the controller and receives the first driving signal. The voltage regulator, which is electrically connected with the controller, the switch and the fan, receives the second driving signal, and controls the rotation speed of the fan in accordance with the first driving signal and the second driving signal.
    • 风扇速度控制装置包括控制器,开关和电压调节器。 当转速信号相对高于预定转速信号时,控制器检测风扇的转速信号以产生第一驱动信号,并且当转速信号相对低于预定转速信号时产生第一驱动信号和第二驱动信号 预定转速信号。 开关与控制器电连接并接收第一驱动信号。 与控制器,开关和风扇电连接的电压调节器接收第二驱动信号,并且根据第一驱动信号和第二驱动信号来控制风扇的转速。