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    • 3. 发明申请
    • HEAT DISSIPATION APPARATUS FOR MEDIUM-VOLTAGE DRIVE
    • 用于中压驱动的散热装置
    • US20130083485A1
    • 2013-04-04
    • US13314700
    • 2011-12-08
    • Ai-Xing TongHong-Jian Gan
    • Ai-Xing TongHong-Jian Gan
    • H05K7/20
    • H01L23/427F28D15/0275H01L2924/0002H01L2924/00
    • A heat dissipation apparatus is suitable for dissipating heat from heat-generating elements in a medium-voltage drive. The heat dissipation apparatus comprises: a heat-dissipating substrate, wherein the heat-generating elements are placed on at least one of a first surface and a second surface of the heat-dissipating substrate; at least one heat pipe group each of which includes a plurality of heat pipes, each heat pipe having an evaporation section and a condensation section, wherein the evaporation section is buried in an inner layer of the heat-dissipating substrate for absorbing heat from the heat-generating elements; and a plurality of fins arranged to be intersected with each heat pipe and connected to the condensation sections of the heat pipes, so as to transfer the heat released from the condensation sections to air. The contact portions between the heat pipe group and the fins are arranged in triangle staggered arrangements.
    • 散热装置适用于从中压驱动器中的发热元件散热。 散热装置包括:散热基板,其中发热元件放置在散热基板的第一表面和第二表面中的至少一个上; 至少一个热管组,每个热管组包括多个热管,每个热管具有蒸发部分和冷凝部分,其中所述蒸发部分被埋在所述散热基板的内层中以从所述热量吸收热量 生成元素 以及多个翅片,其布置成与每个热管相交并连接到热管的冷凝部分,以将从冷凝部分释放的热量转移到空气中。 热管组和散热片之间的接触部分布置成三角形交错布置。
    • 4. 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。
    • 6. 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。
    • 9. 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
    • US08923018B2
    • 2014-12-30
    • US13424387
    • 2012-03-20
    • Pei-Qing HuHong-Yuan JinHong-Jian GanJian-Ping Ying
    • Pei-Qing HuHong-Yuan JinHong-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 having a load, a rectangular wave generator having a bridge arm, a resonant tank, a detection unit and a control unit. The bridge arm includes a first and a second switches connected each other. The detection unit detects a signal related to a state of the load. When the state of the load is a light-load or a no-load, the control unit controls ON/OFF state of the first and second switches by pulse width modulation mode to convert an input voltage into at least one rectangular wave for the resonant tank. A duty ratio of the first switch is within a first or second predetermined range, and a duty ratio of the second switch is complementary to the duty ratio of the first switch, whereby a voltage gain of the DC/DC converter is greater than 1.
    • 公开了一种DC / DC转换器,功率转换器及其控制方法,其中DC / DC转换器包括具有负载的输出电路,具有桥臂的矩形波发生器,谐振槽,检测单元和控制 单元。 桥臂包括彼此连接的第一和第二开关。 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无负载时,控制单元通过脉宽调制模式控制第一和第二开关的接通/断开状态,以将输入电压转换为至少一个矩形波,用于谐振 坦克。 第一开关的占空比在第一或第二预定范围内,第二开关的占空比与第一开关的占空比互补,由此DC / DC转换器的电压增益大于1。