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    METHOD FOR CHECKING OUT-OF-STEP OF SYNCHRONOUS MOTOR
    331.
    发明申请
    METHOD FOR CHECKING OUT-OF-STEP OF SYNCHRONOUS MOTOR 有权
    检查同步电机不合格的方法

    公开(公告)号：US20140084826A1

    公开(公告)日：2014-03-27

    申请号：US14039984

    申请日：2013-09-27

    Applicant: BYD COMPANY LIMITED ,  SHENZHEN BYD AUTO R&D COMPANY LIMITED

    Inventor： Hui LUO ,  Zhiyong DU ,  Xuguang ZHOU ,  Xinxin ZHANG ,  Xing CHEN ,  Taotao YANG ,  Lipin CHENG

    IPC: H02P6/00 ,  H02P6/12

    CPC classification number: H02P6/12 ,  H02P6/34 ,  H02P29/0241

    Abstract: A method for checking an out-of-step of a synchronous motor includes detecting three-phase currents of the synchronous motor; determining whether a relationship between the three-phase currents satisfies a preset requirement; and if no, determining that the synchronous motor is out of step. It is determined that the synchronous motor is out of step when amplitudes of each current of the three-phase currents are not equal or when the phase difference between the three-phase currents is not 120°.

    Abstract translation: 用于检查同步电动机的失步的方法包括检测同步电动机的三相电流; 确定三相电流之间的关系是否满足预设要求; 并且如果否，则确定同步电动机不合格。 确定当三相电流的每个电流的幅度不相等时或当三相电流之间的相位差不是120°时，同步电动机失步。

    LED Lamp
    332.
    发明申请
    LED Lamp 有权
    点灯

    公开(公告)号：US20140003058A1

    公开(公告)日：2014-01-02

    申请号：US13930491

    申请日：2013-06-28

    Applicant: BYD Company Limited ,  Shenzhen BYD Auto R&D Company Limited

    Inventor： Feihong Long

    IPC: F21V5/04

    CPC classification number: F21V5/04 ,  F21K9/233 ,  F21V17/10 ,  F21V29/89 ,  F21Y2115/10

    Abstract: An LED lamp is provided. The LED lamp includes a heat radiation member having a cavity therein; an LED module disposed in the cavity; a mounting frame disposed in the cavity and being above the LED module; and a lens mounted on the mounting frame.

    Abstract translation: 提供LED灯。 LED灯包括其中具有空腔的散热构件; 设置在所述空腔中的LED模块; 安装框架，其设置在所述空腔中且位于所述LED模块的上方; 以及安装在安装框架上的透镜。

    QUASI-RESONANT DEVICE AND SYSTEM AND METHOD FOR QUASI-RESONANT CONTROL OF SWITCHING POWER
    333.
    发明申请
    QUASI-RESONANT DEVICE AND SYSTEM AND METHOD FOR QUASI-RESONANT CONTROL OF SWITCHING POWER 有权
    有限谐振器件及其开关电源的谐振控制系统及方法

    公开(公告)号：US20130329465A1

    公开(公告)日：2013-12-12

    申请号：US13914099

    申请日：2013-06-10

    Applicant: BYD COMPANY LIMITED ,  SHENZHEN BYD AUTO R&D COMPANY LIMITED

    Inventor： Yongjun Hou ,  Xiaohua Yang

    IPC: H02M1/14 ,  H02M3/335

    CPC classification number: H02M1/14 ,  H02M1/4258 ,  H02M3/33507 ,  H02M2001/0058 ,  Y02B70/126 ,  Y02B70/1433 ,  Y02B70/1491

    Abstract: A quasi-resonant device for a switching power, a quasi-resonant system for a switching power, and a method for a quasi-resonant control of a switching power are provided. The quasi-resonant device includes: a degaussing time sampling module, configured to sample a degaussing time Tds of a secondary coil of the transformer according to a feedback signal output by the switching power after the switching tube is turned off; a valley sampling module, configured to sample a resonant valley signal of the quasi-resonant module according to the feedback signal; a time producing module, configured to produce a time T with a predetermined ratio D by processing the degaussing time Tds; and a logic processing module, configured to obtain a first valley signal after the time T, and the first valley signal works as a switching signal T′ to turn on the switching tube.

    Abstract translation: 提供了一种用于开关电源的准谐振装置，用于开关电源的准谐振系统，以及用于开关电源的准谐振控制的方法。 准谐振装置包括：消磁时间采样模块，被配置为根据在开关管断开之后由开关电源输出的反馈信号对变压器的次级线圈的消磁时间Tds进行采样; 谷值采样模块，被配置为根据反馈信号对准谐振模块的谐振谷值信号进行采样; 时间生成模块，被配置为通过处理消磁时间Tds来产生具有预定比率D的时间T; 以及逻辑处理模块，被配置为在时间T之后获得第一谷值信号，并且所述第一谷值信号作为切换信号T'来导通开关管。

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