公开(公告)号：US08022678B2

公开(公告)日：2011-09-20

申请号：US12748713

申请日：2010-03-29

申请人： Mingzhu Li ,  Qinglin Zhao ,  Zhihong Ye ,  Chunlin Zhang ,  Xuezheng Ding

发明人： Mingzhu Li ,  Qinglin Zhao ,  Zhihong Ye ,  Chunlin Zhang ,  Xuezheng Ding

IPC分类号： G05F5/00

CPC分类号： H02M7/23 ,  H02M1/4208 ,  Y02B70/126 ,  Y02B70/1441

摘要： A power supply device includes first and second power factor correctors, and first and second resonant circuits. The first and second power factor correctors are for receiving an alternating current (AC) input voltage, and are driven by first and second driving signals for rectifying the AC input voltage to generate first and second driving voltages, respectively. The first and second resonant circuits are coupled to the first and second power factor correctors for receiving the first and second driving voltages, respectively, and have output sides that are coupled in parallel for outputting an output voltage. The first power factor corrector and the first resonant circuit in combination is parallel-connected to the second power factor corrector and the second resonant circuit in combination.

摘要翻译： 电源装置包括第一和第二功率因数校正器以及第一和第二谐振电路。 第一和第二功率因数校正器用于接收交流（AC）输入电压，并且由第一和第二驱动信号驱动，用于整流AC输入电压以分别产生第一和第二驱动电压。 第一和第二谐振电路耦合到第一和第二功率因数校正器，用于分别接收第一和第二驱动电压，并且具有并联耦合的输出侧以输出输出电压。 组合的第一功率因数校正器和第一谐振电路并联并联到第二功率因数校正器和第二谐振电路。

公开(公告)号：US07944715B2

公开(公告)日：2011-05-17

申请号：US12213708

申请日：2008-06-24

申请人： Qingyou Zhang ,  Xiaoyi Jin ,  Yuli Feng ,  Zhihong Ye ,  Qinglin Zhao

发明人： Qingyou Zhang ,  Xiaoyi Jin ,  Yuli Feng ,  Zhihong Ye ,  Qinglin Zhao

IPC分类号： H02M3/335

CPC分类号： H02M3/33507 ,  H02M3/33523 ,  Y02B70/1433

摘要： A controller is adapted for controlling a switch of a resonant direct current/direct current converter, and includes: a pulse width modulation controlling unit for detecting an output voltage of the resonant direct current/direct current converter, and for generating a pulse width modulation signal according to the output voltage detected thereby; a fixed frequency signal generating unit for generating a fixed frequency signal; and a logic synthesizing unit for synthesizing the pulse width modulation signal and the fixed frequency signal so as to generate a driving signal that is adapted to drive the switch of the resonant direct current/direct current converter.

摘要翻译： 控制器适于控制谐振直流/直流转换器的开关，并且包括：脉宽调制控制单元，用于检测谐振直流/直流转换器的输出电压，并用于产生脉宽调制信号 根据检测到的输出电压; 固定频率信号产生单元，用于产生固定频率信号; 以及逻辑合成单元，用于合成脉宽调制信号和固定频率信号，以产生适于驱动谐振直流/直流转换器的开关的驱动信号。

公开(公告)号：US20110080146A1

公开(公告)日：2011-04-07

申请号：US12654949

申请日：2010-01-11

申请人： Jingyan Li ,  Qinglin Zhao ,  Zhihong Ye ,  Mingzhu Li ,  Fei Luo

发明人： Jingyan Li ,  Qinglin Zhao ,  Zhihong Ye ,  Mingzhu Li ,  Fei Luo

IPC分类号： G05F1/10

CPC分类号： H02M3/285 ,  H02M2001/007

摘要： A power supply device for providing an output voltage includes a first resonant converter, a second resonant converter, a first converting circuit, and a current regulating circuit. The first resonant converter is for converting a first input voltage into the output voltage. The second resonant converter is for converting a second input voltage into the output voltage. The output ends of the first and second resonant converters are coupled in parallel. The first converting circuit is coupled to the first resonant converter and is operable to provide the first input voltage to the first resonant converter. The current regulating circuit receives signals related to output currents of the first and second resonant converters, and drives operation of the first converting circuit according to the signals received thereby such that the output currents of the first and second resonant converters have substantially equal magnitudes.

摘要翻译： 用于提供输出电压的电源装置包括第一谐振转换器，第二谐振转换器，第一转换电路和电流调节电路。 第一谐振转换器用于将第一输入电压转换成输出电压。 第二谐振转换器用于将第二输入电压转换成输出电压。 第一和第二谐振转换器的输出端并联耦合。 第一转换电路耦合到第一谐振转换器，并且可操作以将第一输入电压提供给第一谐振转换器。 电流调节电路接收与第一和第二谐振变换器的输出电流相关的信号，并且根据由其接收的信号驱动第一转换电路的操作，使得第一和第二谐振转换器的输出电流具有基本相等的幅度。

公开(公告)号：US07916506B2

公开(公告)日：2011-03-29

申请号：US12395887

申请日：2009-03-02

申请人： Qingyou Zhang ,  Xiaoyi Jin ,  Xin Guo ,  Zhihong Ye ,  Qinglin Zhao

发明人： Qingyou Zhang ,  Xiaoyi Jin ,  Xin Guo ,  Zhihong Ye ,  Qinglin Zhao

IPC分类号： H02M3/335

CPC分类号： H03L7/00 ,  H02M3/3376 ,  H02M2001/0058 ,  Y02B70/1433 ,  Y02B70/1491

摘要： A control device for controlling a switch unit of a resonant direct current/direct current converter includes a frequency modulation controller and a pulse selector. The frequency modulation controller is adapted to be coupled electrically to the converter for receiving a correcting threshold value and output information of the converter, and for generating a synchronization signal according to the correcting threshold value and the output information received thereby. The pulse selector is adapted to be coupled electrically to the converter and the frequency modulation controller for receiving the correcting threshold value, the output information and the synchronization signal, and for generating a driving signal according to the correcting threshold value, the output information and the synchronization signal received thereby. The driving signal is adapted to drive the switch unit and has a working period. The driving signal switches between high and low signal levels at a frequency that is substantially equal to that of the synchronization signal during the working period.

摘要翻译： 用于控制谐振直流/直流电转换器的开关单元的控制装置包括频率调制控制器和脉冲选择器。 频率调制控制器适于与转换器电耦合，用于接收校正阈值并输出转换器的信息，并且用于根据校正阈值和由此接收的输出信息产生同步信号。 脉冲选择器适于电耦合到转换器和频率调制控制器，用于接收校正阈值，输出信息和同步信号，并用于根据校正阈值，输出信息和 同步信号由此接收。 驱动信号适于驱动开关单元并具有工作周期。 驱动信号在工作时段内的频率基本上等于同步信号的频率在高低信号电平之间切换。

公开(公告)号：US20090219070A1

公开(公告)日：2009-09-03

申请号：US12395887

申请日：2009-03-02

申请人： QINGYOU ZHANG ,  XIAOYI JIN ,  XIN GUO ,  ZHIHONG YE ,  QINGLIN ZHAO

发明人： QINGYOU ZHANG ,  XIAOYI JIN ,  XIN GUO ,  ZHIHONG YE ,  QINGLIN ZHAO

IPC分类号： H03L7/00

CPC分类号： H03L7/00 ,  H02M3/3376 ,  H02M2001/0058 ,  Y02B70/1433 ,  Y02B70/1491

摘要： A control device for controlling a switch unit of a resonant direct current/direct current converter includes a frequency modulation controller and a pulse selector. The frequency modulation controller is adapted to be coupled electrically to the converter for receiving a correcting threshold value and output information of the converter, and for generating a synchronization signal according to the correcting threshold value and the output information received thereby. The pulse selector is adapted to be coupled electrically to the converter and the frequency modulation controller for receiving the correcting threshold value, the output information and the synchronization signal, and for generating a driving signal according to the correcting threshold value, the output information and the synchronization signal received thereby. The driving signal is adapted to drive the switch unit and has a working period. The driving signal switches between high and low signal levels at a frequency that is substantially equal to that of the synchronization signal during the working period.

摘要翻译： 用于控制谐振直流/直流电转换器的开关单元的控制装置包括频率调制控制器和脉冲选择器。 频率调制控制器适于与转换器电耦合，用于接收校正阈值并输出转换器的信息，并且用于根据校正阈值和由此接收的输出信息产生同步信号。 脉冲选择器适于电耦合到转换器和频率调制控制器，用于接收校正阈值，输出信息和同步信号，并用于根据校正阈值，输出信息和 同步信号由此接收。 驱动信号适于驱动开关单元并具有工作周期。 驱动信号在工作时段内的频率基本上等于同步信号的频率在高低信号电平之间切换。

公开(公告)号：US08456875B2

公开(公告)日：2013-06-04

申请号：US12654949

申请日：2010-01-11

申请人： Jingyan Li ,  Qinglin Zhao ,  Zhihong Ye ,  Mingzhu Li ,  Fei Luo

发明人： Jingyan Li ,  Qinglin Zhao ,  Zhihong Ye ,  Mingzhu Li ,  Fei Luo

IPC分类号： H02M7/00

CPC分类号： H02M3/285 ,  H02M2001/007

摘要： A power supply device for providing an output voltage includes a first resonant converter, a second resonant converter, a first converting circuit, and a current regulating circuit. The first resonant converter is for converting a first input voltage into the output voltage. The second resonant converter is for converting a second input voltage into the output voltage. The output ends of the first and second resonant converters are coupled in parallel. The first converting circuit is coupled to the first resonant converter and is operable to provide the first input voltage to the first resonant converter. The current regulating circuit receives signals related to output currents of the first and second resonant converters, and drives operation of the first converting circuit according to the signals received thereby such that the output currents of the first and second resonant converters have substantially equal magnitudes.

摘要翻译： 用于提供输出电压的电源装置包括第一谐振转换器，第二谐振转换器，第一转换电路和电流调节电路。 第一谐振转换器用于将第一输入电压转换成输出电压。 第二谐振转换器用于将第二输入电压转换成输出电压。 第一和第二谐振转换器的输出端并联耦合。 第一转换电路耦合到第一谐振转换器，并且可操作以将第一输入电压提供给第一谐振转换器。 电流调节电路接收与第一和第二谐振变换器的输出电流相关的信号，并且根据由其接收的信号驱动第一转换电路的操作，使得第一和第二谐振转换器的输出电流具有基本相等的幅度。

公开(公告)号：US08194418B2

公开(公告)日：2012-06-05

申请号：US12591460

申请日：2009-11-20

申请人： Mingzhu Li ,  Qinglin Zhao ,  Zhihong Ye ,  Xuefeng Tang ,  Dinghui Cai

发明人： Mingzhu Li ,  Qinglin Zhao ,  Zhihong Ye ,  Xuefeng Tang ,  Dinghui Cai

IPC分类号： H02M3/335

CPC分类号： H02M3/3376

摘要： A frequency-hopping control method is performed by a frequency-hopping control module that generates a driving signal for driving a voltage converting circuit to generate an output voltage. The method includes, generating a control signal according to a regulating signal inversely proportional to the output voltage of the voltage converting circuit. The control signal is cyclical, and each cycle of which includes an off-time having a variable duration with an inverse relation to magnitude of the regulating signal, and an on-time having a substantially fixed duration. The driving signal is generated according to the control signal and a periodic pulse signal. Therefore, the output voltage can be stabilized, and the voltage converting circuit can perform voltage conversion with reduced power loss and improved voltage conversion efficiency.

摘要翻译： 跳频控制模块由跳频控制模块执行，该跳频控制模块产生用于驱动电压转换电路的驱动信号以产生输出电压。 该方法包括：根据与电压转换电路的输出电压成反比的调节信号产生控制信号。 控制信号是循环的，并且其每个周期包括具有与调节信号的幅度成反比关系的可变持续时间的关闭时间，以及具有基本上固定的持续时间的接通时间。 根据控制信号和周期脉冲信号产生驱动信号。 因此，可以稳定输出电压，并且电压转换电路可以以降低的功率损耗和改善的电压转换效率进行电压转换。

公开(公告)号：US20110089913A1

公开(公告)日：2011-04-21

申请号：US12748713

申请日：2010-03-29

申请人： MINGZHU LI ,  QINGLIN ZHAO ,  ZHIHONG YE ,  CHUNLIN ZHANG ,  XUEZHENG DING

发明人： MINGZHU LI ,  QINGLIN ZHAO ,  ZHIHONG YE ,  CHUNLIN ZHANG ,  XUEZHENG DING

IPC分类号： G05F1/70

CPC分类号： H02M7/23 ,  H02M1/4208 ,  Y02B70/126 ,  Y02B70/1441

摘要： A power supply device includes first and second power factor correctors, and first and second resonant circuits. The first and second power factor correctors are for receiving an alternating current (AC) input voltage, and are driven by first and second driving signals for rectifying the AC input voltage to generate first and second driving voltages, respectively. The first and second resonant circuits are coupled to the first and second power factor correctors for receiving the first and second driving voltages, respectively, and have output sides that are coupled in parallel for outputting an output voltage. The first power factor corrector and the first resonant circuit in combination is parallel-connected to the second power factor corrector and the second resonant circuit in combination

摘要翻译： 电源装置包括第一和第二功率因数校正器以及第一和第二谐振电路。 第一和第二功率因数校正器用于接收交流（AC）输入电压，并且由第一和第二驱动信号驱动，用于整流AC输入电压以分别产生第一和第二驱动电压。 第一和第二谐振电路耦合到第一和第二功率因数校正器，用于分别接收第一和第二驱动电压，并且具有并联耦合的输出侧以输出输出电压。 组合的第一功率因数校正器和第一谐振电路并联连接到第二功率因数校正器和第二谐振电路

公开(公告)号：US20110026279A1

公开(公告)日：2011-02-03

申请号：US12591460

申请日：2009-11-20

申请人： Mingzhu Li ,  Qinglin Zhao ,  Zhihong Ye ,  Xuefeng Tang ,  Dinghui Cai

发明人： Mingzhu Li ,  Qinglin Zhao ,  Zhihong Ye ,  Xuefeng Tang ,  Dinghui Cai

IPC分类号： H02M3/335

CPC分类号： H02M3/3376

摘要： A frequency-hopping control method is performed by a frequency-hopping control module that generates a driving signal for driving a voltage converting circuit to generate an output voltage. The method includes, generating a control signal according to a regulating signal inversely proportional to the output voltage of the voltage converting circuit. The control signal is cyclical, and each cycle of which includes an off-time having a variable duration with an inverse relation to magnitude of the regulating signal, and an on-time having a substantially fixed duration. The driving signal is generated according to the control signal and a periodic pulse signal. Therefore, the output voltage can be stabilized, and the voltage converting circuit can perform voltage conversion with reduced power loss and improved voltage conversion efficiency.

摘要翻译： 跳频控制模块由跳频控制模块执行，该跳频控制模块产生用于驱动电压转换电路的驱动信号以产生输出电压。 该方法包括：根据与电压转换电路的输出电压成反比的调节信号产生控制信号。 控制信号是循环的，并且其每个周期包括具有与调节信号的幅度成反比关系的可变持续时间的关闭时间，以及具有基本上固定的持续时间的接通时间。 根据控制信号和周期脉冲信号产生驱动信号。 因此，可以稳定输出电压，并且电压转换电路可以以降低的功率损耗和改善的电压转换效率进行电压转换。

公开(公告)号：US20090196080A1

公开(公告)日：2009-08-06

申请号：US12213708

申请日：2008-06-24

申请人： Qingyou Zhang ,  Xiaoyi Jin ,  Yuli Feng ,  Zhihong Ye ,  Qinglin Zhao

发明人： Qingyou Zhang ,  Xiaoyi Jin ,  Yuli Feng ,  Zhihong Ye ,  Qinglin Zhao

IPC分类号： H02M7/5383

CPC分类号： H02M3/33507 ,  H02M3/33523 ,  Y02B70/1433

摘要： A controller is adapted for controlling a switch of a resonant direct current/direct current converter, and includes: a pulse width modulation controlling unit for detecting an output voltage of the resonant direct current/direct current converter, and for generating a pulse width modulation signal according to the output voltage detected thereby; a fixed frequency signal generating unit for generating a fixed frequency signal; and a logic synthesizing unit for synthesizing the pulse width modulation signal and the fixed frequency signal so as to generate a driving signal that is adapted to drive the switch of the resonant direct current/direct current converter.

摘要翻译： 控制器适于控制谐振直流/直流转换器的开关，并且包括：脉宽调制控制单元，用于检测谐振直流/直流转换器的输出电压，并用于产生脉宽调制信号 根据检测到的输出电压; 固定频率信号产生单元，用于产生固定频率信号; 以及逻辑合成单元，用于合成脉宽调制信号和固定频率信号，以产生适于驱动谐振直流/直流转换器的开关的驱动信号。