公开(公告)号：US06937486B2

公开(公告)日：2005-08-30

申请号：US10916306

申请日：2004-08-11

申请人： Teng Liu ,  Xingkuan Guo ,  Jianping Ying ,  Jianhong Zeng

发明人： Teng Liu ,  Xingkuan Guo ,  Jianping Ying ,  Jianhong Zeng

IPC分类号： H02M3/335 ,  H02M7/5387 ,  H02M1/12

CPC分类号： H02M7/5387 ,  H02M3/33569

摘要： The power converters employing the provided methods and controllers are proposed. The controller includes: a signal preprocessor for generating a current signal according to a sensed current of the transformer, an integrator electrically connected to the signal preprocessor for integrating the current signal and offering an integrated signal, a synthesizer electrically connected to the integrator for receiving and synthesizing the integrated signal and a slope compensation signal to generate a synthesized signal, an operational amplifier of a control loop for generating an amplified error signal, and a PWM comparator electrically connected to the operational amplifier and the synthesizer for comparing the amplified error signal and the synthesized signal and generating a PWM signal to turn on and off a switch of the transformer accordingly.

摘要翻译： 提出了采用所提供的方法和控制器的功率转换器。 该控制器包括：信号预处理器，用于根据变压器的感测电流产生电流信号;电连接到信号预处理器的积分器，用于积分电流信号并提供积分信号;合成器，电连接到积分器，用于接收和 合成积分信号和斜率补偿信号以产生合成信号，用于产生放大误差信号的控制环路的运算放大器和电连接到运算放大器和合成器的PWM比较器，用于将放大的误差信号和 合成信号并产生PWM信号以相应地导通和关断变压器的开关。

公开(公告)号：US20050036337A1

公开(公告)日：2005-02-17

申请号：US10916307

申请日：2004-08-11

申请人： Qingyou Zhang ,  Aibin Qiu ,  Jianping Ying ,  Jianhong Zeng

发明人： Qingyou Zhang ,  Aibin Qiu ,  Jianping Ying ,  Jianhong Zeng

IPC分类号： H02M3/158 ,  H02M3/335

CPC分类号： H02M3/1584 ,  H02M1/4225 ,  H02M2003/1586 ,  Y02B70/126 ,  Y02P80/112

摘要： The provided method and control circuit are employed to alternately control the dual boost PFC circuits. The control circuit for alternately controlling parallel-connected first and second boost circuits of a dual boost PFC circuit to achieve a current-sharing of the first and the second boost circuits includes: a first control circuit having a first current control loop for employing an output voltage of the PFC circuit, a feed-forward voltage, and an input reference voltage to generate a current reference, and sending the current reference to an input terminal of the first current control loop to generate a first PWM signal to drive the first boost circuit, and a second control circuit having a second current control loop for receiving the current reference through an input terminal of the second current control loop to generate a second PWM signal to drive the second boost circuit.

摘要翻译： 所提供的方法和控制电路用于交替地控制双升压PFC电路。 用于交替地控制双升压PFC电路的并联连接的第一和第二升压电路以实现第一和第二升压电路的电流共享的控制电路包括：第一控制电路，具有用于采用输出 PFC电路的电压，前馈电压和输入参考电压以产生电流参考，并且将电流基准发送到第一电流控制环路的输入端以产生第一PWM信号以驱动第一升压电路 以及具有第二电流控制回路的第二控制电路，用于通过第二电流控制回路的输入端接收电流基准，以产生驱动第二升压电路的第二PWM信号。

公开(公告)号：US20050024803A1

公开(公告)日：2005-02-03

申请号：US10902356

申请日：2004-07-27

申请人： Jianping Ying ,  Teng Liu ,  Xingkuan Guo ,  Jianhong Zeng ,  Yue Fu

发明人： Jianping Ying ,  Teng Liu ,  Xingkuan Guo ,  Jianhong Zeng ,  Yue Fu

IPC分类号： H02M1/34 ,  H02M3/335 ,  H02H3/26

CPC分类号： H02M1/34 ,  H02M3/33576 ,  H02M2001/342 ,  Y02B70/1491

摘要： An energy-feedback clamping circuit of a power converter is proposed. The converter includes a transformer coupled to a full-wave rectifier circuit. The clamping circuit includes: two clamping diodes having two anodes coupled to each other at a common-anode terminal and two cathodes coupled to two terminals of a secondary winding of the transformer, a first clamping capacitor having a first terminal coupled to a cathode of a first rectifying diode of the rectifier circuit and a second terminal coupled to the common-anode terminal, a second clamping capacitor having a first terminal coupled to a connecting node of the output filtering inductor and capacitor of the rectifier circuit and a second terminal coupled to the common-anode terminal, and a converter circuit having an input terminal coupled to the second clamping capacitor and an output terminal for offering a power source.

摘要翻译： 提出了一种功率转换器的能量反馈钳位电路。 该转换器包括耦合到全波整流电路的变压器。 钳位电路包括：两个钳位二极管，其具有在共阳极端子处彼此耦合的两个阳极和耦合到变压器的次级绕组的两个端子的两个阴极;第一钳位电容器，具有耦合到 整流电路的第一整流二极管和耦合到共阳极端子的第二端子，第二钳位电容器，其具有耦合到输出滤波电感器和整流器电路的电容器的连接节点的第一端子，以及耦合到整流电路的第二端子 公共阳极端子和具有耦合到第二钳位电容器的输入端子的转换器电路和用于提供电源的输出端子。

公开(公告)号：US09263939B2

公开(公告)日：2016-02-16

申请号：US13466670

申请日：2012-05-08

申请人： Hongyuan Jin ,  Baochen Wang ,  Hongjian Gan ,  Jianping Ying

发明人： Hongyuan Jin ,  Baochen Wang ,  Hongjian Gan ,  Jianping Ying

IPC分类号： H02M3/335 ,  H02M1/42 ,  H02H3/14 ,  H02M1/32

CPC分类号： H02M1/4225 ,  H02H3/14 ,  H02M1/4258 ,  H02M2001/322 ,  Y02B70/126 ,  Y02P80/112

摘要： A capacitor discharging circuit and a converter are disclosed. The converter comprises: a capacitor connected between the live line and null line of an AC power input terminals, a conversion module coupled to the capacitor and comprising an energy storage component at least, an energy transfer unit coupled with the energy storage component and the capacitor, an AC power-off detecting unit and a control unit; wherein the energy transfer unit comprises a switch device; when AC power is disconnected, the AC power-off signal triggers the control unit to output a switch driving signal, controlling the operation of the energy transfer unit to transfer the energy stored in the capacitor to the energy storage component to discharge the capacitor.

摘要翻译： 公开了电容器放电电路和转换器。 该转换器包括：连接在交流电源输入端的实线和零线之间的电容器，耦合到电容器的转换模块，至少包括能量存储部件，与能量存储部件和电容器耦合的能量传递单元 AC电源关闭检测单元和控制单元; 其中所述能量传递单元包括开关装置; 当交流电源断开时，交流断电信号触发控制单元输出开关驱动信号，控制能量转移单元的运行，将存储在电容器中的能量转移到能量存储组件以对电容器进行放电。

公开(公告)号：US09136201B2

公开(公告)日：2015-09-15

申请号：US13557158

申请日：2012-07-24

申请人： Aixing Tong ,  Teng Liu ,  Jianping Ying

发明人： Aixing Tong ,  Teng Liu ,  Jianping Ying

IPC分类号： H01L23/427 ,  H05K7/20 ,  H01L23/467 ,  F28D15/02

CPC分类号： H01L23/427 ,  F28D15/0275 ,  H01L23/467 ,  H01L2924/0002 ,  H05K7/2039 ,  H05K7/20909 ,  H05K7/20918 ,  H05K7/20936 ,  H01L2924/00

摘要： Disclosed are a hybrid heat sink and a hybrid heat sink assembly for a power module. The hybrid heat sink comprises a base provided with at least one power module on one side thereof, a first heat dissipation unit being a first heat dissipation fin group which is composed of a plurality of heat dissipation fins intervally arranged and is located on the other side of the base, and a second heat dissipation unit comprising a plurality of heat pipes and a second heat dissipation fin group. Each of the heat pipes comprises an evaporating section provided in the base and close to the power module, a condensing section, and an adiabatic section located between the evaporating section and the condensing section and comprises an extension portion and a folding portion, the second heat dissipation fin group is provided on the condensing sections.

摘要翻译： 公开了一种用于功率模块的混合散热器和混合散热器组件。 所述混合散热器包括在其一侧上设置有至少一个功率模块的基座，第一散热单元，第一散热单元，所述第一散热单元由多个隔热布置并位于另一侧的散热翅片组成， 以及包括多个热管和第二散热翅片组的第二散热单元。 每个热管包括设置在基座中并靠近功率模块的蒸发部分，冷凝部分和位于蒸发部分和冷凝部分之间的绝热部分，并且包括延伸部分和折叠部分，第二热量 冷凝段上设有散热片组。

公开(公告)号：US08953347B2

公开(公告)日：2015-02-10

申请号：US13482750

申请日：2012-05-29

申请人： Hongyuan Jin ,  Baochen Wang ,  Hongjian Gan ,  Jianping Ying

发明人： Hongyuan Jin ,  Baochen Wang ,  Hongjian Gan ,  Jianping Ying

IPC分类号： H02M1/00

CPC分类号： H02M1/32 ,  H02M7/217 ,  H02M2001/322

摘要： A capacitor discharging circuit and a power converter having the capacitor discharging circuit are disclosed. The capacitor discharging circuit comprises a conversion module connected with the two terminals of the capacitor, an AC power-off detecting unit used to detect on-off state of AC power, and a control unit. The conversion module comprises an energy consumption unit. When AC power is disconnected, the AC power-off signal generated by the AC power-off detecting unit intervenes the control unit to control the energy consumption unit to consume the energy stored in the capacitor.

摘要翻译： 公开了具有电容器放电电路的电容器放电电路和功率转换器。 电容器放电电路包括与电容器的两个端子连接的转换模块，用于检测交流电源的开关状态的AC断电检测单元和控制单元。 转换模块包括能量消耗单元。 当交流电源断开时，由交流断电检测单元产生的交流断电信号插入控制单元以控制能量消耗单元以消耗存储在电容器中的能量。

公开(公告)号：US20130307416A1

公开(公告)日：2013-11-21

申请号：US13688703

申请日：2012-11-29

申请人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying

发明人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying

IPC分类号： H05B37/02

CPC分类号： H05B37/02 ,  H05B33/089 ,  Y02B20/341

摘要： The present application discloses an open circuit protecting circuit, an open circuit protecting method and an illuminating apparatus. The open circuit protecting circuit is configured in an apparatus with a LED load being supplied with power by a current source, and comprises: a switch circuit, a timer circuit and a detecting circuit. When the LED load malfunctions, the open circuit protecting circuit carries out the following operations: the detecting circuit sends an enabling signal to the timer circuit, the timer circuit sends a driving signal with a set time to the switch circuit and the switch circuit is in the on-state during the set time, so as to make the LED load be short circuited to protect the circuit from being damaged. The open circuit protecting circuit can also resume to normal work automatically after the open circuited malfunction is cleared, and thus a hot-plugging function can be realized.

摘要翻译： 本申请公开了一种开路保护电路，开路保护方法和照明装置。 开路保护电路配置在LED负载由电流源供电的装置中，包括：开关电路，定时器电路和检测电路。 当LED负载发生故障时，开路保护电路进行以下操作：检测电路向定时器电路发送使能信号，定时器电路向开关电路发送设定时间的驱动信号，开关电路处于 在设定时间内的导通状态，以使LED负载短路，以保护电路免受损坏。 开路保护电路也可以在断路故障后自动恢复正常工作，从而实现热插拔功能。

公开(公告)号：US08564221B2

公开(公告)日：2013-10-22

申请号：US13242094

申请日：2011-09-23

申请人： Qi Zhang ,  Weiqiang Zhang ,  Jianping Ying

发明人： Qi Zhang ,  Weiqiang Zhang ,  Jianping Ying

IPC分类号： G05F1/00

CPC分类号： H05B41/38

摘要： A driving circuit system for a gas discharge lamp includes a power circuit having a switch for converting an input voltage into a lamp voltage for driving the gas discharge lamp, a lamp current detecting circuit connected to the power circuit or the gas discharge lamp for detecting a lamp current, a feedback circuit connected to the lamp current detecting circuit for generating a lamp current feedback signal, a constant power control circuit for generating a corrected current reference signal, and a power control circuit connected to the feedback circuit, the constant power control circuit, and the switch of the power circuit for generating a first modulating signal in accordance with the lamp current feedback signal and the corrected current reference signal for driving the switch to turn on or off, thereby substantially maintaining a lamp power of the gas discharge lamp at a constant value.

摘要翻译： 一种用于气体放电灯的驱动电路系统包括电源电路，其具有用于将输入电压转换为用于驱动气体放电灯的灯电压的开关，连接到电源电路的灯电流检测电路或用于检测气体放电灯的气体放电灯 连接到用于产生灯电流反馈信号的灯电流检测电路的反馈电路，用于产生校正的电流参考信号的恒功率控制电路和连接到反馈电路的功率控制电路，恒功率控制电路 以及用于根据灯电流反馈信号产生第一调制信号的电源电路的开关和用于驱动开关导通或关断的校正电流参考信号，从而基本上将气体放电灯的灯功率维持在 恒定值。

公开(公告)号：US20130188405A1

公开(公告)日：2013-07-25

申请号：US13482750

申请日：2012-05-29

申请人： Hongyuan Jin ,  Baochen Wang ,  Hongjian Gan ,  Jianping Ying

发明人： Hongyuan Jin ,  Baochen Wang ,  Hongjian Gan ,  Jianping Ying

IPC分类号： H02M1/36 ,  H02J7/00

CPC分类号： H02M1/32 ,  H02M7/217 ,  H02M2001/322

摘要： A capacitor discharging circuit and a power converter having the capacitor discharging circuit are disclosed. The capacitor discharging circuit comprises a conversion module connected with the two terminals of the capacitor, an AC power-off detecting unit used to detect on-off state of AC power, and a control unit. The conversion module comprises an energy consumption unit. When AC power is disconnected, the AC power-off signal generated by the AC power-off detecting unit intervenes the control unit to control the energy consumption unit to consume the energy stored in the capacitor.

摘要翻译： 公开了具有电容器放电电路的电容器放电电路和功率转换器。 电容器放电电路包括与电容器的两个端子连接的转换模块，用于检测交流电源的开关状态的AC断电检测单元和控制单元。 转换模块包括能量消耗单元。 当交流电源断开时，由交流断电检测单元产生的交流断电信号插入控制单元以控制能量消耗单元以消耗存储在电容器中的能量。

公开(公告)号：US08400787B2

公开(公告)日：2013-03-19

申请号：US13267186

申请日：2011-10-06

申请人： Hongyang Wu ,  Bin Wang ,  Jianhong Zeng ,  Jianping Ying ,  Xiaoni Xin

发明人： Hongyang Wu ,  Bin Wang ,  Jianhong Zeng ,  Jianping Ying ,  Xiaoni Xin

IPC分类号： H02M3/335 ,  H02M7/217

CPC分类号： H02M3/33592 ,  H02M3/3378 ,  Y02B70/1433 ,  Y02B70/1475 ,  Y02P80/112

摘要： The configurations of a resonant converter system and a controlling method thereof are provided. The proposed resonant converter system includes a resonant converter receiving an input voltage for outputting an output voltage, a rectifying device having a first rectifying switch and a synchronous rectification control circuit coupled to the resonant converter and including a signal generation apparatus generating a weighted turn-off signal to turn off the first rectifying switch at a zero crossing point of a first current flowing through the first rectifying switch.

摘要翻译： 提供了一种谐振转换器系统的结构及其控制方法。 所提出的谐振转换器系统包括接收用于输出输出电压的输入电压的谐振变换器，具有第一整流开关和耦合到谐振转换器的同步整流控制电路的整流装置，并且包括产生加权关断的信号产生装置 信号以在流过第一整流开关的第一电流的过零点处关闭第一整流开关。