公开(公告)号：US20150163877A1

公开(公告)日：2015-06-11

申请号：US14350566

申请日：2012-08-27

申请人： Luca Bordin ,  Yuli Chen ,  Wuqiang Liao ,  Wei Tan

发明人： Luca Bordin ,  Yuli Chen ,  Wuqiang Liao ,  Wei Tan

IPC分类号： H05B33/08

CPC分类号： H05B33/0827 ,  H05B33/0815 ,  H05B33/0818 ,  H05B33/083 ,  H05B33/0848

摘要： An LED control circuit for controlling an LED illuminating device is disclosed. The LED illuminating device includes at least serially connected load group, and the LED control circuit includes: a conversion module configured to convert an input voltage to an output voltage, and to output a working current as a sample current; a reference voltage generating module configured to generate a reference voltage; a control module configured to compare a sample voltage corresponding to the sample current with the reference voltage, and to output a control signal to the conversion module according to a comparison result; and a load short circuit module including a plurality of switches each connected in parallel with respective load group for performing a short circuit control on respective load group in response to a switching signal. A controlling method of such LED control circuit is also disclosed.

摘要翻译： 公开了一种用于控制LED照明装置的LED控制电路。 LED照明装置至少包括串联连接的负载组，LED控制电路包括：转换模块，被配置为将输入电压转换为输出电压，并输出作为电流的工作电流; 配置为产生参考电压的参考电压产生模块; 控制模块，其被配置为将与所述采样电流相对应的采样电压与所述参考电压进行比较，并且根据比较结果将控制信号输出到所述转换模块; 以及负载短路模块，其包括多个开关，每个开关与相应的负载组并联连接，用于响应于开关信号对各个负载组进行短路控制。 还公开了这种LED控制电路的控制方法。

公开(公告)号：US09370067B2

公开(公告)日：2016-06-14

申请号：US14350566

申请日：2012-08-27

申请人： Luca Bordin ,  Yuli Chen ,  Wuqiang Liao ,  Wei Tan

发明人： Luca Bordin ,  Yuli Chen ,  Wuqiang Liao ,  Wei Tan

IPC分类号： H05B33/08

CPC分类号： H05B33/0827 ,  H05B33/0815 ,  H05B33/0818 ,  H05B33/083 ,  H05B33/0848

摘要： An LED control circuit for controlling an LED illuminating device is disclosed. The LED illuminating device includes at least serially connected load group, and the LED control circuit includes: a conversion module configured to convert an input voltage to an output voltage, and to output a working current as a sample current; a reference voltage generating module configured to generate a reference voltage; a control module configured to compare a sample voltage corresponding to the sample current with the reference voltage, and to output a control signal to the conversion module according to a comparison result; and a load short circuit module including a plurality of switches each connected in parallel with respective load group for performing a short circuit control on respective load group in response to a switching signal. A controlling method of such LED control circuit is also disclosed.

摘要翻译： 公开了一种用于控制LED照明装置的LED控制电路。 LED照明装置至少包括串联连接的负载组，LED控制电路包括：转换模块，被配置为将输入电压转换为输出电压，并输出工作电流作为采样电流; 配置为产生参考电压的参考电压产生模块; 控制模块，其被配置为将与所述采样电流相对应的采样电压与所述参考电压进行比较，并且根据比较结果将控制信号输出到所述转换模块; 以及负载短路模块，其包括多个开关，每个开关与相应的负载组并联连接，用于响应于开关信号对各个负载组进行短路控制。 还公开了这种LED控制电路的控制方法。

公开(公告)号：US20110266967A1

公开(公告)日：2011-11-03

申请号：US13097115

申请日：2011-04-29

申请人： Luca Bordin ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

发明人： Luca Bordin ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

IPC分类号： H05B37/02

CPC分类号： H05B33/0815 ,  Y02B20/383

摘要： The present invention discloses an LED driving method and an LED driving system, the method comprising: generating a PWM control signal with a PWM dimming signal; and controlling a PWM DC/DC converter with the PWM control signal, so as to generate a driving voltage of the LED.

摘要翻译： 本发明公开了一种LED驱动方法和LED驱动系统，该方法包括：利用PWM调光信号产生PWM控制信号; 以及利用所述PWM控制信号来控制PWM DC / DC转换器，以产生所述LED的驱动电压。

公开(公告)号：US08947018B2

公开(公告)日：2015-02-03

申请号：US14115200

申请日：2012-05-03

申请人： Luca Bordin ,  Shaoping Chen ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

发明人： Luca Bordin ,  Shaoping Chen ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

IPC分类号： H05B37/02 ,  H05B33/08

摘要： A dimmable LED driver adapted to be operated with a dimmer that is configured to generate a predetermined conductive angle, wherein the dimmable LED driver comprises: a rectifier configured to convert an alternating current output by the dimmer to a direct current, a buck PFC block configured to adjust an output voltage of the direct current so as to obtain a stable output voltage, a second buck DC/DC block configured to realize output of a constant current after the stable output voltage is realized, a dimming block configured to, after realizing output of the constant current, accomplish a dimming function jointly with the second buck DC/DC block, and an MCU configured to control the buck PFC block, the second buck DC/DC block and the dimming block.

公开(公告)号：US20110266968A1

公开(公告)日：2011-11-03

申请号：US13097143

申请日：2011-04-29

申请人： Luca Bordin ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

发明人： Luca Bordin ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

IPC分类号： H05B37/02

CPC分类号： H05B33/0815 ,  Y02B20/346

摘要： In various embodiments, a method for obtaining a conduction angle of a trailing edge dimmer is provided. The method may include determining a time point t0 when the trailing edge dimmer starts to be conductive; determining an earliest time point t1 when a deviation from an ideal waveform appears; and determining the conduction angle t1-t0 of the trailing edge dimmer based on the earliest time point t1 when the deviation from the ideal waveform appears and the time point t0 when the trailing edge dimmer starts to be conductive.

摘要翻译： 在各种实施例中，提供了一种用于获得后缘调光器的导通角的方法。 该方法可以包括当后沿调光器开始导通时确定时间点t0; 当出现与理想波形的偏差时，确定最早的时间点t1; 并且当出现与理想波形的偏离时的最早时间点t1和后沿调光器开始导通的时间点t0时，确定后沿调光器的导通角t1-t0。

公开(公告)号：US09113516B2

公开(公告)日：2015-08-18

申请号：US14115200

申请日：2012-05-03

申请人： Luca Bordin ,  Shaoping Chen ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

发明人： Luca Bordin ,  Shaoping Chen ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

IPC分类号： H05B37/02 ,  H05B33/08

CPC分类号： H05B33/0809 ,  H05B33/0815 ,  H05B33/0845

摘要： A dimmable LED driver adapted to be operated with a dimmer that is configured to generate a predetermined conductive angle, wherein the dimmable LED driver comprises: a rectifier configured to convert an alternating current output by the dimmer to a direct current, a buck PFC block configured to adjust an output voltage of the direct current so as to obtain a stable output voltage, a second buck DC/DC block configured to realize output of a constant current after the stable output voltage is realized, a dimming block configured to, after realizing output of the constant current, accomplish a dimming function jointly with the second buck DC/DC block, and an MCU configured to control the buck PFC block, the second buck DC/DC block and the dimming block.

摘要翻译： 一种可调光LED驱动器，其适用于被配置为产生预定导电角度的调光器操作，其中所述可调光LED驱动器包括：整流器，被配置为将由所述调光器输出的交流电转换成直流电;降压PFC块配置 调整直流电流的输出电压以获得稳定的输出电压;第二降压DC / DC模块，被配置为在实现稳定的输出电压之后实现恒定电流的输出;调光模块，被配置为在实现输出之后 的恒定电流，与第二降压DC / DC模块一起实现调光功能，以及配置成控制降压PFC模块的MCU，第二降压DC / DC模块和调光模块。

公开(公告)号：US20140125240A1

公开(公告)日：2014-05-08

申请号：US14115200

申请日：2012-05-03

申请人： Luca Bordin ,  Shaoping Chen ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

发明人： Luca Bordin ,  Shaoping Chen ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

IPC分类号： H05B33/08

CPC分类号： H05B33/0809 ,  H05B33/0815 ,  H05B33/0845

摘要： A dimmable LED driver adapted to be operated with a dimmer that is configured to generate a predetermined conductive angle, wherein the dimmable LED driver comprises: a rectifier configured to convert an alternating current output by the dimmer to a direct current, a buck PFC block configured to adjust an output voltage of the direct current so as to obtain a stable output voltage, a second buck DC/DC block configured to realize output of a constant current after the stable output voltage is realized, a dimming block configured to, after realizing output of the constant current, accomplish a dimming function jointly with the second buck DC/DC block, and an MCU configured to control the buck PFC block, the second buck DC/DC block and the dimming block.

摘要翻译： 一种可调光LED驱动器，其适用于被配置为产生预定导电角度的调光器操作，其中所述可调光LED驱动器包括：整流器，被配置为将由所述调光器输出的交流电转换成直流电;降压PFC块配置 调整直流电流的输出电压以获得稳定的输出电压;第二降压DC / DC模块，被配置为在实现稳定的输出电压之后实现恒定电流的输出;调光模块，被配置为在实现输出之后 的恒定电流，与第二降压DC / DC模块一起实现调光功能，以及配置成控制降压PFC模块的MCU，第二降压DC / DC模块和调光模块。

公开(公告)号：US08558477B2

公开(公告)日：2013-10-15

申请号：US13097143

申请日：2011-04-29

申请人： Luca Bordin ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

发明人： Luca Bordin ,  Yuli Chen ,  Shijun Nie ,  Wei Tan

IPC分类号： H05B41/16

CPC分类号： H05B33/0815 ,  Y02B20/346

摘要： In various embodiments, a method for obtaining a conduction angle of a trailing edge dimmer is provided. The method may include determining a time point t0 when the trailing edge dimmer starts to be conductive; determining an earliest time point t1 when a deviation from an ideal waveform appears; and determining the conduction angle t1-t0 of the trailing edge dimmer based on the earliest time point t1 when the deviation from the ideal waveform appears and the time point t0 when the trailing edge dimmer starts to be conductive.

摘要翻译： 在各种实施例中，提供了一种用于获得后缘调光器的导通角的方法。 该方法可以包括当后沿调光器开始导通时确定时间点t0; 当出现与理想波形的偏差时，确定最早的时间点t1; 并且当出现与理想波形的偏离时的最早时间点t1和后沿调光器开始导通的时间点t0时，确定后沿调光器的导通角t1-t0。

公开(公告)号：US20140009956A1

公开(公告)日：2014-01-09

申请号：US14006608

申请日：2012-02-24

申请人： Luca Bordin ,  Zhenjian Liang ,  Jing Lin ,  Junhua Zeng

发明人： Luca Bordin ,  Zhenjian Liang ,  Jing Lin ,  Junhua Zeng

IPC分类号： F21V8/00

CPC分类号： G02B6/0096 ,  F21K9/232 ,  F21K9/61 ,  F21V3/00 ,  F21Y2115/10

摘要： An omnidirectional lighting apparatus including a lamp housing and a light source provided in the lamp housing. The omni-directional lighting apparatus further includes at least one light pipe provided in the lamp housing. A light from the light source strikes in the light pipe (2) and escapes through the lamp housing in a direction of 360° after at least one time of total internal reflection by the light pipe.

摘要翻译： 一种全向照明装置，包括设置在灯壳体中的灯壳体和光源。 全向照明装置还包括设置在灯壳体中的至少一个光管。 来自光源的光在光管的全内反射至少一次之后撞击光管（2），并通过灯壳体360°方向逸出。

公开(公告)号：US20110085362A1

公开(公告)日：2011-04-14

申请号：US12996979

申请日：2008-06-11

申请人： Luca Bordin

发明人： Luca Bordin

IPC分类号： H02M7/217

CPC分类号： H02M3/33592 ,  Y02B70/1475

摘要： A drive unit for electrical loads is provided. The drive unit may include an insulating transformer having a secondary winding for an alternate current to flow therethrough, wherein said secondary winding of said insulating transformer is coupled to electronic switches in a synchronous rectifier arrangement, said electronic switches to be alternatively switched on and off as a function of a trigger signal to produce a rectified output signal from said alternate current flowing through said secondary winding, wherein the unit includes a sense inductance coupled via a set of conductive strips to the secondary winding of said insulating transformer to sense the zero crossings of said alternate current flowing through said secondary winding and generate therefrom said trigger signal for said synchronous rectifier arrangement.

摘要翻译： 提供用于电力负载的驱动单元。 所述驱动单元可以包括具有用于流过其中的交流电流的次级绕组的绝缘变压器，其中所述绝缘变压器的所述次级绕组以同步整流器装置耦合到电子开关，所述电子开关被交替地接通和断开为 触发信号的功能，用于产生来自流过所述次级绕组的所述交流电流的整流输出信号，其中所述单元包括通过一组导电条耦合到所述绝缘变压器的次级绕组的感测电感，以感测 所述交流电流流过所述次级绕组并从其产生用于所述同步整流装置的所述触发信号。