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    Fluorescent electronic ballast
    5.
    发明授权
    Fluorescent electronic ballast 有权
    荧光电子镇流器

    公开(公告)号：US09232619B2

    公开(公告)日：2016-01-05

    申请号：US14290669

    申请日：2014-05-29

    Applicant: DELTA ELECTRONICS, INC.

    Inventor： Ching-Ho Chou ,  Yung-Chuan Lu ,  Yen-Yu Chen

    IPC: H05B37/02 ,  H05B41/282

    CPC classification number: H05B41/2828 ,  H05B37/02

    Abstract: A fluorescent electronic ballast including: a rectifier circuit, for receiving an AC power supply and converting the AC power supply into a DC power supply; an inverter circuit, coupled to a fluorescent driver circuit, for converting the DC power supply into a high-frequency AC power supply for driving a fluorescent; and a detection protection circuit, coupled to the rectifier circuit and the inverter circuit, for detecting the DC power supply provided by the rectifier circuit, and cutting off the electric connection between a control chip of the inverter circuit and all of power supply when the voltage of the direct current power supply is lower than a predetermined value, wherein the power supply at least includes the direct current power supply provided by the rectifier circuit.

    Abstract translation: 一种荧光电子镇流器，包括：整流器电路，用于接收AC电源并将AC电源转换成DC电源; 耦合到荧光驱动电路的逆变器电路，用于将DC电源转换成用于驱动荧光的高频AC电源; 以及与整流电路和逆变器电路耦合的检测保护电路，用于检测由整流电路提供的直流电源，并且当电压为5V时，切断逆变电路的控制芯片与所有电源之间的电连接 所述直流电源低于预定值，其中所述电源至少包括由所述整流电路提供的直流电源。

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