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    • 1. 发明申请
    • DRIVING CIRCUIT FOR RELAY
    • 驱动电路继电器
    • US20130201594A1
    • 2013-08-08
    • US13365556
    • 2012-02-03
    • Pao-Hung LINHung-Lung Wang
    • Pao-Hung LINHung-Lung Wang
    • H01H47/22
    • H01H47/22H01H47/12
    • The present invention relates to a driving circuit for relay, which uses N relays with their coils coupled to each other. One of the relays is coupled to a driving power supply. A switching control circuit is coupled to a second relay and a reference voltage for controlling on/off of the plurality of relays. A driving control circuit is coupled to the plurality of relays for controlling excitation of the plurality of relays. After the coils of the relays are excited by the driving control circuit, the voltage of a single coil is dropped to one Nth of the driving voltage. Thereby, the power consumption of the coils of the relays can be reduced, and hence enhancing the lifetime and reliability of the relays.
    • 本发明涉及一种用于继电器的驱动电路,其使用N个继电器,它们的线圈彼此耦合。 其中一个继电器耦合到驱动电源。 开关控制电路耦合到第二继电器和用于控制多个继电器的开/关的参考电压。 驱动控制电路耦合到多个继电器,用于控制多个继电器的激励。 在继电器的线圈被驱动控制电路激励之后,单个线圈的电压下降到驱动电压的十分之一。 因此,可以减少继电器的线圈的功耗,从而提高继电器的寿命和可靠性。
    • 2. 发明申请
    • Interleaved Bridgeless Power Factor Corrector and Controlling Method thereof
    • 交错无桥功率因数校正器及其控制方法
    • US20110149622A1
    • 2011-06-23
    • US12644015
    • 2009-12-22
    • Pao-Hung LIN
    • Pao-Hung LIN
    • H02M7/219
    • H02M1/4208H02M1/4225H02M3/1584Y02B70/126Y02P80/112
    • In an interleaved bridgeless power factor corrector and a controlling method thereof, the interleaved bridgeless power factor corrector includes an AC input power supply, two input inductors, four active components, two passive components, an output capacitor, and an output resistor, wherein the four active components are cascaded in a full bridge form to act as control switches and rectifying switches having different phases; besides, the interleaved bridgeless power factor corrector is connected to a control signal processor and a control circuit, which can output complementary switch signals to control the interleaved bridgeless power factor corrector, thereby achieving output/input ripple cancellation and frequency multiplication.
    • 在交错无桥功率因数校正器及其控制方法中,交错无桥功率因数校正器包括AC输入电源,两个输入电感器,四个有源元件,两个无源元件,输出电容器和输出电阻器,其中四 有源组件以全桥形式级联,用作具有不同相位的控制开关和整流开关; 此外,交错无桥功率因数校正器连接到控制信号处理器和控制电路,其可输出互补开关信号以控制交错的无桥功率因数校正器,从而实现输出/输入纹波消除和倍频。