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    • 12. 发明授权
    • DC/DC converter, power converter and control method thereof
    • DC / DC转换器,功率转换器及其控制方法
    • US09236807B2
    • 2016-01-12
    • US13427450
    • 2012-03-22
    • Hong-Yuan JinPei-Qing HuHong-Jian GanJian-Ping Ying
    • Hong-Yuan JinPei-Qing HuHong-Jian GanJian-Ping Ying
    • H02M3/335H02M1/00
    • H02M3/33569H02M2001/0035H02M2001/0058Y02B70/1433Y02B70/1491Y02B70/16
    • A DC/DC converter, a power converter and a control method thereof are disclosed, where the DC/DC converter includes an output circuit, a rectangular wave generator, a resonant tank, a detection unit and a control unit. The output circuit has a load. The rectangular wave generator converts an input voltage into at least one rectangular wave. The resonant tank provides a first voltage based on the rectangular wave for the output circuit. The detection unit detects a signal related to a state of the load. When the state of the load is light-load or a no-load, the control unit controls a working frequency or a duty ratio of the rectangular wave, so that the duty ratio of the rectangular wave is within a predetermined range, in which a voltage gain of the DC/DC converter is greater than another voltage gain under the condition of 50% duty ratio.
    • 公开了DC / DC转换器,功率转换器及其控制方法,其中DC / DC转换器包括输出电路,矩形波发生器,谐振回路,检测单元和控制单元。 输出电路有负载。 矩形波发生器将输入电压转换成至少一个矩形波。 谐振槽为输出电路提供基于矩形波的第一电压。 检测单元检测与负载状态有关的信号。 当负载状态为轻负载或空载时,控制单元控制矩形波的工作频率或占空比,使得矩形波的占空比在预定范围内,其中 在50%占空比的条件下,DC / DC转换器的电压增益大于另一个电压增益。
    • 17. 发明申请
    • ROTOR AND ROTARY ELECTRIC MACHINE CONTAINING THE SAME
    • 转子电机及其旋转电机
    • US20130043754A1
    • 2013-02-21
    • US13306749
    • 2011-11-29
    • Hong-Liu ZhuJian-Ping YingShi-Xiang Zhang
    • Hong-Liu ZhuJian-Ping YingShi-Xiang Zhang
    • H02K1/27
    • H02K1/2766H02K1/2706H02K1/2713H02K1/276H02K1/2773
    • A rotor and a rotary electric machine containing the rotor are provided. The rotor includes a shaft, a rotor core coaxially connected to the shaft, at least one tangential magnetic steel, a first axial magnetic steel, and a second axial magnetic steel. The tangential magnetic steel is fixed in the rotor core along a tangential direction of the rotor core, and has first and second magnetic poles. The first axial magnetic steel disposed at one end surface of the rotor core is adjacent to the first pole, and has a third pole facing the rotor core, wherein the third pole and first pole repel each other. The second axial magnetic steel disposed at the end surface of the rotor core is adjacent to the second pole, and has a fourth pole facing the rotor core, wherein the fourth pole and the second pole repel each other.
    • 提供了包含转子的转子和旋转电机。 转子包括轴,与轴同轴连接的转子芯,至少一个切向磁性钢,第一轴向磁钢和第二轴向磁钢。 切向磁钢沿着转子铁芯的切线方向固定在转子铁心中,并具有第一和第二磁极。 设置在转子铁心的一个端面的第一轴向磁钢与第一极相邻,并且具有面向转子铁芯的第三极,其中第三极和第一极彼此排斥。 设置在转子铁芯的端面的第二轴向磁钢与第二极相邻,并且具有面向转子铁心的第四极,其中第四极和第二极彼此排斥。
    • 18. 发明申请
    • DC/DC CONVERTER, POWER CONVERTER AND CONTROL METHOD THEREOF
    • DC / DC转换器,电源转换器及其控制方法
    • US20120250358A1
    • 2012-10-04
    • US13427450
    • 2012-03-22
    • Hong-Yuan JinPei-Qing HuHong-Jian GanJian-Ping Ying
    • Hong-Yuan JinPei-Qing HuHong-Jian GanJian-Ping Ying
    • H02M3/335
    • H02M3/33569H02M2001/0035H02M2001/0058Y02B70/1433Y02B70/1491Y02B70/16
    • A DC/DC converter, a power converter and a control method thereof are disclosed, where the DC/DC converter includes an output circuit, a rectangular wave generator, a resonant tank, a detection unit and a control unit. The output circuit has a load. The rectangular wave generator converts an input voltage into at least one rectangular wave. The resonant tank provides a first voltage based on the rectangular wave for the output circuit. The detection unit detects a signal related to a state of the load. When the state of the load is light-load or a no-load, the control unit controls a working frequency or a duty ratio of the rectangular wave, so that the duty ratio of the rectangular wave is within a predetermined range, in which a voltage gain of the DC/DC converter is greater than another voltage gain under the condition of 50% duty ratio.
    • 公开了DC / DC转换器,功率转换器及其控制方法,其中DC / DC转换器包括输出电路,矩形波发生器,谐振回路,检测单元和控制单元。 输出电路有负载。 矩形波发生器将输入电压转换成至少一个矩形波。 谐振槽为输出电路提供基于矩形波的第一电压。 检测单元检测与负载状态有关的信号。 当负载状态为轻负载或空载时,控制单元控制矩形波的工作频率或占空比,使得矩形波的占空比在预定范围内,其中 在50%占空比的条件下,DC / DC转换器的电压增益大于另一个电压增益。
    • 20. 发明申请
    • LIGHTING APPARATUS AND CONTROL METHOD THEREOF
    • 照明装置及其控制方法
    • US20120074866A1
    • 2012-03-29
    • US13046165
    • 2011-03-11
    • Wei-Qiang ZHANGLi-Zhi XuQi ZhangJian-Ping Ying
    • Wei-Qiang ZHANGLi-Zhi XuQi ZhangJian-Ping Ying
    • H05B37/02
    • H05B33/0815H05B33/0824Y02B20/347
    • A lighting apparatus includes a lighting unit, a converting circuit, a sensing circuit, and a current control circuit. The lighting unit includes at least one light emitting diode and a switching device connected with each other in series. The converting circuit has an output end electrically connected to the lighting unit for driving it. The sensing circuit includes a sensing element capable of indirectly detecting the current flowing through the light emitting diode and outputting a feedback signal. The current control circuit receives a reference current, the feedback signal and a dimming command, and sends a dimming control signal to the lighting unit and a current control signal to the converting circuit, capable of controlling the amplitude of the current flowing through the light emitting diode.
    • 照明装置包括照明单元,转换电路,感测电路和电流控制电路。 照明单元包括至少一个串联连接的发光二极管和开关装置。 转换电路具有电连接到照明单元用于驱动它的输出端。 感测电路包括能够间接检测流过发光二极管的电流并输出反馈信号的感测元件。 电流控制电路接收参考电流,反馈信号和调光命令,并向调光电路发送调光控制信号和向转换电路发送的电流控制信号,该电流控制信号能够控制流经发光的电流的振幅 二极管。