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    • 3. 发明授权
    • Power supply and method for regulating supply voltage
    • 电源和调节电源电压的方法
    • US07136292B1
    • 2006-11-14
    • US11192982
    • 2005-07-29
    • Tuck Meng ChanXiaowu GongJing HuMeng Kiat JeohKok Kee LimJunyang Luo
    • Tuck Meng ChanXiaowu GongJing HuMeng Kiat JeohKok Kee LimJunyang Luo
    • H02M3/335H02M7/44
    • H02M1/36H02M3/33523H02M2001/0032Y02B70/16
    • In a preferred embodiment, there is provided a switched mode power supply operable in start-up mode, normal mode and standby mode. The power supply may comprise a transformer having a primary winding on a primary side and a secondary winding on a secondary side, the primary winding being coupleable to a DC input voltage, and circuitry on the secondary side being arranged to provide a DC output voltage; and a power controller. The power controller may comprise a regulation controller for regulating a DC supply voltage on a supply line during standby mode, and a high voltage device coupled to the DC input voltage and the supply line. The current through the high voltage device to the supply line, during standby mode, may be controlled by the regulation controller. During standby mode, when the supply voltage is greater than or equal to a reference voltage, the current through the high voltage device to the supply line is substantially zero. When the supply voltage is less than the reference voltage, the greater the difference between the supply voltage and the reference voltage, the greater the current through the high voltage device to the supply line. In other preferred embodiments, there is also provided the power controller itself and a method for regulating a supply voltage during standby mode.
    • 在优选实施例中,提供了一种在启动模式,正常模式和待机模式下可操作的开关模式电源。 电源可以包括具有初级侧的初级绕组和次级侧的次级绕组的变压器,初级绕组可耦合到DC输入电压,并且次级侧上的电路布置成提供DC输出电压; 和电源控制器。 功率控制器可以包括用于在待机模式期间调节供电线路上的直流电源电压的调节控制器和耦合到直流输入电压和电源线的高压设备。 电流通过高压设备到电源线,在待机模式下,可由调节控制器控制。 在待机模式下,当电源电压大于或等于参考电压时,通过高压设备到电源线的电流基本为零。 当电源电压小于参考电压时,电源电压和参考电压之差越大,通过高压设备到电源线的电流越大。 在其他优选实施例中,还提供了功率控制器本身以及用于在待机模式期间调节电源电压的方法。
    • 10. 发明授权
    • Apparatus and method for detecting an error in a power signal
    • 用于检测功率信号中的误差的装置和方法
    • US07813097B2
    • 2010-10-12
    • US11459439
    • 2006-07-24
    • Jing Hu
    • Jing Hu
    • H02H3/08
    • H02M1/32H02M3/33507
    • An error detection apparatus for detecting an error in a power signal output by an external device switchable by a switching signal has a comparing unit for comparing the power signal with a reference signal to yield a comparison signal, a switching unit for providing the switching signal dependent on a control signal with the switching unit being designed to disregard the control signal and to ensure that the external device is switched off upon provision of a triggering signal to the switching unit, and a triggering unit for providing the triggering signal depending on the control signal and the comparison signal. Alternatively, the error detection apparatus has an influencing unit for influencing the power signal, such that the power signal fulfils a predetermined relationship to a reference signal in the case of an occurrence of the error, whereas the relationship is not fulfilled in the absence of the error.
    • 用于检测由切换信号切换的外部设备输出的功率信号中的误差的误差检测装置具有用于将功率信号与参考信号进行比较以产生比较信号的比较单元,用于提供切换信号的切换单元 在控制信号上,开关单元被设计成忽略控制信号,并确保在向开关单元提供触发信号时关闭外部设备;以及触发单元,用于根据控制信号提供触发信号 和比较信号。 或者,误差检测装置具有影响功率信号的影响单元,使得在发生错误的情况下,功率信号与参考信号达到预定的关系,而在没有 错误。