公开(公告)号：US08952112B2

公开(公告)日：2015-02-10

申请号：US13503825

申请日：2010-10-13

申请人： Chuanfeng Li ,  Hongping Ren ,  Xiaoli Yao ,  Zhonglin Ma ,  Feng Guo ,  Kaixiu Wang ,  Jingwei Liu ,  Yaming Wang ,  Lijuan Yang

发明人： Chuanfeng Li ,  Hongping Ren ,  Xiaoli Yao ,  Zhonglin Ma ,  Feng Guo ,  Kaixiu Wang ,  Jingwei Liu ,  Yaming Wang ,  Lijuan Yang

IPC分类号： C08F4/50 ,  C08F4/52 ,  C08F4/64 ,  C08F4/76 ,  B01J31/38

CPC分类号： C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  C08F4/02 ,  C08F2500/03 ,  C08F2500/18 ,  C08F210/14 ,  C08F4/64137 ,  C08F4/6411 ,  C08F4/64124 ,  C08F4/64131 ,  C08F4/6543 ,  C08F4/6548

摘要： This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.

公开(公告)号：US20140191670A1

公开(公告)日：2014-07-10

申请号：US14000501

申请日：2011-07-21

申请人： Liang'an Ge ,  Xiaoli Yao

发明人： Liang'an Ge ,  Xiaoli Yao

IPC分类号： H05B33/08

CPC分类号： H05B33/0815 ,  H05B33/0827 ,  H05B33/0866 ,  Y02B20/347

摘要： Provided is a circuit for adjusting light-emitting diode (LED) current; the circuit comprises: a single-output constant current source (21), a multi-path LED output circuit (22) and a control bus (20) connected to the multi-path LED output circuit (22); any given LED output circuit comprises: a load circuit (23), an adjustment circuit (24), a current regulation circuit (25) and an adjustment control circuit (26). The circuit for adjusting LED current provided in the technical solution of the present invention adjusts the current of each LED output circuit via the load circuit, the adjustment circuit, the current regulation circuit and the adjustment control circuit, thus adjusting characteristic parameters such as color, color temperature, color rendering index, brightness and the like of the LED light source, thereby avoiding the problem of high cost caused by using multi-path constant current DC/DC circuit to adjust the current of each path.

摘要翻译： 提供了用于调节发光二极管（LED）电流的电路; 该电路包括：单输出恒流源（21），连接到多路LED输出电路（22）的多路LED输出电路（22）和控制总线（20）。 任何给定的LED输出电路包括：负载电路（23），调节电路（24），电流调节电路（25）和调节控制电路（26）。 本发明的技术方案中提供的用于调节LED电流的电路通过负载电路，调节电路，电流调节电路和调节控制电路调节每个LED输出电路的电流，从而调整诸如颜色， 色温，显色指数，亮度等，从而避免了使用多路恒流DC / DC电路调节各路径的电流引起的成本高的问题。

公开(公告)号：US08629664B2

公开(公告)日：2014-01-14

申请号：US13511059

申请日：2010-11-15

申请人： Liang'an Ge ,  Xiaoli Yao ,  Guichao Hua ,  Xinke Wu ,  Lijun Ren

发明人： Liang'an Ge ,  Xiaoli Yao ,  Guichao Hua ,  Xinke Wu ,  Lijun Ren

IPC分类号： H02M3/24 ,  G05F1/14

CPC分类号： H05B33/0815 ,  H02M3/33523 ,  H02M2001/0064 ,  H02M2001/008 ,  H05B33/0827 ,  Y10T307/414

摘要： A multi-path constant current drive circuit includes a DC/AC converter, a main transformer and at least two rectifying and filtering units. The main transformer includes at least one assistant side winding with a tap; together with the assistant side winding of the main transformer, each of the at least two rectifying and filtering units respectively forms a power supply loop; each power supply loop includes a first rectifying loop and a second rectifying loop, which are relatively used for the rectification of the positive and the negative half-cycle alternating voltage; a current-equalizing transformer is arranged between the adjacent first power supply loop and second power supply loop, the windings of the current-equalizing transformer are respectively in the rectifying loops contained in the first power supply loop and the second power supply loop, thus realizing the current equalization between the different rectifying loops in which the adjacent rectifying and filtering units are contained. The multi-path constant current drive circuit performs a good current equalization, and can reduce the volume of the current-equalizing transformer and decrease the cost.

摘要翻译： 多路恒流驱动电路包括DC / AC转换器，主变压器和至少两个整流滤波单元。 主变压器包括至少一个带有水龙头的辅助侧绕组; 连同主变压器的辅助侧绕组，至少两个整流滤波单元中的每一个分别形成电源回路; 每个电源回路包括第一整流回路和第二整流回路，其相对用于正和负半周期交流电压的整流; 在相邻的第一电源回路和第二电源回路之间布置有电流均衡变压器，电流均衡变压器的绕组分别在包含在第一电源回路和第二电源回路中的整流回路中，从而实现 其中包含相邻整流和滤波单元的不同整流回路之间的电流均衡。 多路恒流驱动电路实现良好的电流均衡，可以减小电流均衡变压器的体积，降低成本。

公开(公告)号：US20130285625A1

公开(公告)日：2013-10-31

申请号：US13995817

申请日：2011-08-23

申请人： Liang'an Ge ,  Guichao Hua ,  Xiaoli Yao ,  Yang Liu

发明人： Liang'an Ge ,  Guichao Hua ,  Xiaoli Yao ,  Yang Liu

IPC分类号： H05B33/08

CPC分类号： H05B33/0815 ,  H05B33/0827 ,  Y02B20/347

摘要： A load driving device and system, and a limiting point control method and device. The load driving device comprising: a voltage/current regulative main circuit placed under the control of an output current controller, for use in conducting a voltage conversion on an input voltage, and in supplying electric power to a subsequent load unit; a sampling unit connected to an output terminal of the main circuit, for use in sampling an output feature parameter of the main circuit; the output current controller, for use in controlling a limiting point of the main circuit, and on the basis of the adjustment direction of the limiting point and on changes of the output feature parameters of the main circuit before and after an adjustment, determining a steady working point for the main circuit, and controlling the main circuit to work at the steady working point. The load driving device and system enable an increase in driver reliability and a reduction in circuit complexity.

摘要翻译： 负载驱动装置和系统，以及限制点控制方法和装置。 所述负载驱动装置包括：电压/电流调节主电路，其设置在输出电流控制器的控制下，用于对输入电压进行电压转换，并向随后的负载单元供电; 连接到主电路的输出端的采样单元，用于对主电路的输出特性参数进行采样; 输出电流控制器，用于控制主电路的限制点，并且基于限制点的调节方向以及调整之前和之后的主电路的输出特征参数的变化，确定稳定的 主电路工作点，控制主电路工作在稳定工作点。 负载驱动装置和系统能够提高驱动器的可靠性和降低电路复杂度。

公开(公告)号：US08552942B2

公开(公告)日：2013-10-08

申请号：US12831239

申请日：2010-07-06

申请人： Guichao Hua ,  Xinke Wu ,  Xiaoli Yao ,  Liangan Ge

发明人： Guichao Hua ,  Xinke Wu ,  Xiaoli Yao ,  Liangan Ge

IPC分类号： G09G3/32

CPC分类号： H05B33/0815 ,  H02M3/156 ,  H02M3/33507 ,  Y02B20/346 ,  Y02B20/347 ,  Y02B20/348 ,  Y02B20/383

摘要： A LED drive circuit for SCR dimming including an external controller configured to receive AC voltage from a power network to convert the AC voltage to an AC voltage with a lacked phase by phase controlling the voltage through a thyristor, and a LED driver that includes a bridge rectifier configured to shape the AC voltage with the lacked phase output into a unidirectional pulse DC voltage, and a phase angle detecting circuit configured to shape the AC voltage signal output with lacked phase from the external controller into a saw-tooth wave pulse signal.

摘要翻译： 一种用于SCR调光的LED驱动电路，包括外部控制器，该外部控制器被配置为从电力网络接收AC电压，通过相位控制通过晶闸管的电压将AC电压转换为具有缺相的AC电压;以及包括桥接器的LED驱动器 整流器被配置成将具有缺相输出的交流电压整形为单向脉冲直流电压;以及相位角检测电路，其被配置为将来自外部控制器的缺相输出的交流电压信号成形为锯齿波脉冲信号。

公开(公告)号：US20120214955A1

公开(公告)日：2012-08-23

申请号：US13504098

申请日：2010-10-13

申请人： Hongping Ren ,  Chuanfeng Li ,  Xiaoli Yao ,  Feng Guo ,  Zhonglin Ma ,  Haibin Chen ,  Kaixiu Wang ,  Jingwei Liu ,  Yaming Wang

发明人： Hongping Ren ,  Chuanfeng Li ,  Xiaoli Yao ,  Feng Guo ,  Zhonglin Ma ,  Haibin Chen ,  Kaixiu Wang ,  Jingwei Liu ,  Yaming Wang

IPC分类号： C08F110/02 ,  C08F210/14 ,  C08F4/646 ,  C08F4/42 ,  C08F4/76

CPC分类号： C08F10/00 ,  C08F4/02 ,  C08F4/6411 ,  C08F4/64127 ,  C08F4/64131 ,  C08F4/64137

摘要： This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.

摘要翻译： 本发明涉及负载型非茂金属催化剂及其制备方法。 负载的非金属茂催化剂可以用简单和可行的方法生产，其特征在于易于控制的聚合活性。 本发明还涉及负载的非金属茂催化剂在烯烃均聚/共聚中的用途，其特征在于与现有技术相比较，助催化剂的假定较低。

公开(公告)号：US20080054819A1

公开(公告)日：2008-03-06

申请号：US11469926

申请日：2006-09-05

申请人： Xiaoli Yao ,  Rajendra Kumar Pokharna ,  Viktor Karoly Varga ,  Chao Yang ,  Yingqi Zhang

发明人： Xiaoli Yao ,  Rajendra Kumar Pokharna ,  Viktor Karoly Varga ,  Chao Yang ,  Yingqi Zhang

IPC分类号： H05B41/16

CPC分类号： H05B41/042 ,  H05B41/2827

摘要： A circuit such as may be used for igniting and operating a gas discharge lamp is provided. The circuit includes a resonant circuit connected to receive a variable voltage output signal from an inverter. The resonant circuit includes a first circuit stage and a second circuit stage. The second circuit stage includes a resonant tank circuit configured to generate a resonant output voltage when a switching frequency of the inverter matches a resonant frequency of the resonant circuit. The first circuit stage includes at least one current-suppressing element for reducing an effect of a resonant current that flows in the resonant circuit on a switching current that flows in the inverter.

摘要翻译： 提供诸如可用于点燃和操作气体放电灯的电路。 电路包括连接以从逆变器接收可变电压输出信号的谐振电路。 谐振电路包括第一电路级和第二电路级。 第二电路级包括谐振回路，其被配置为当反相器的开关频率与谐振电路的谐振频率匹配时产生谐振输出电压。 第一电路级包括至少一个电流抑制元件，用于减小在谐振电路中流动的谐振电流对在逆变器中流动的开关电流的影响。

公开(公告)号：US09018845B2

公开(公告)日：2015-04-28

申请号：US14000501

申请日：2011-07-21

申请人： Liang'an Ge ,  Xiaoli Yao

发明人： Liang'an Ge ,  Xiaoli Yao

IPC分类号： H05B37/00 ,  H05B39/00 ,  H05B41/00 ,  H05B33/08

CPC分类号： H05B33/0815 ,  H05B33/0827 ,  H05B33/0866 ,  Y02B20/347

摘要： Provided is a circuit for adjusting light-emitting diode (LED) current; the circuit comprises: a single-output constant current source (21), a multi-path LED output circuit (22) and a control bus (20) connected to the multi-path LED output circuit (22); any given LED output circuit comprises: a load circuit (23), an adjustment circuit (24), a current regulation circuit (25) and an adjustment control circuit (26). The circuit for adjusting LED current provided in the technical solution of the present invention adjusts the current of each LED output circuit via the load circuit, the adjustment circuit, the current regulation circuit and the adjustment control circuit, thus adjusting characteristic parameters such as color, color temperature, color rendering index, brightness and the like of the LED light source, thereby avoiding the problem of high cost caused by using multi-path constant current DC/DC circuit to adjust the current of each path.

摘要翻译： 提供了用于调节发光二极管（LED）电流的电路; 该电路包括：单输出恒流源（21），连接到多路LED输出电路（22）的多路LED输出电路（22）和控制总线（20）。 任何给定的LED输出电路包括：负载电路（23），调节电路（24），电流调节电路（25）和调节控制电路（26）。 本发明的技术方案中提供的用于调节LED电流的电路通过负载电路，调节电路，电流调节电路和调节控制电路调节每个LED输出电路的电流，从而调整诸如颜色， 色温，显色指数，亮度等，从而避免了使用多路恒流DC / DC电路调节各路径的电流引起的成本高的问题。

公开(公告)号：US08866409B2

公开(公告)日：2014-10-21

申请号：US13700352

申请日：2010-11-10

申请人： Liang'an Ge ,  Xiaoli Yao ,  Guichao Hua ,  Lijun Ren

发明人： Liang'an Ge ,  Xiaoli Yao ,  Guichao Hua ,  Lijun Ren

IPC分类号： G05F1/00

CPC分类号： G05F1/10 ,  H05B33/0815 ,  H05B33/0827 ,  H05B37/02 ,  Y02B20/347

摘要： A constant-current Light Emitting Diode (LED) driver circuit is provided, and the circuit includes: an output voltage adjustable circuit and at least one path of LED load, wherein the output voltage adjustable circuit comprises: a switch converting main circuit, an output characteristic parameter sampling circuit, and an output voltage controller. The output voltage controller is used to adjust the output voltage of the switch converting main circuit according to the variation relationship between the sampling signal output by the output characteristic parameter sampling circuit and the output voltage, determine the adjustive direction of the output voltage magnitude of the switch converting main circuit according to the change of the sampling signal, adjust the magnitude of the output voltage of the switch converting main circuit according to the preset step, and finally make the output voltage equal to the voltage of one path of LED load with the highest voltage or the difference between the output voltage and the voltage of one path of LED load voltage with the highest voltage within the predetermined range. The present solution implements reducing the connection complexity and power dissipation on the base of controlling the multi-path constant-current LED.

摘要翻译： 提供恒流发光二极管（LED）驱动器电路，该电路包括：输出电压可调节电路和至少一个LED负载路径，其中输出电压可调电路包括：开关转换主电路，输出 特征参数采样电路和输出电压控制器。 输出电压控制器用于根据输出特性参数采样电路输出的采样信号与输出电压之间的变化关系来调节开关转换主电路的输出电压，确定输出电压幅度的调整方向 根据采样信号的变化开关转换主电路，根据预设步骤调整开关转换主电路的输出电压幅值，最后使输出电压等于LED负载的一路径电压 最高电压或输出电压与LED负载电压的一个路径的电压之间的差异，具有在预定范围内的最高电压。 本解决方案在控制多路恒流LED的基础上降低了连接复杂性和功耗。

公开(公告)号：US08674621B2

公开(公告)日：2014-03-18

申请号：US12896445

申请日：2010-10-01

申请人： Liangan Ge ,  Guichao Hua ,  Xiaoli Yao ,  Xinke Wu

发明人： Liangan Ge ,  Guichao Hua ,  Xiaoli Yao ,  Xinke Wu

IPC分类号： H05B37/02 ,  H05B41/36

CPC分类号： H05B33/0812 ,  H05B33/0824 ,  Y02B20/345

摘要： A constant current control circuit with multiple outputs for a LED driver, the circuit including a single-output constant current power supply, and multiple output circuits, each output circuit comprising a current sharing circuit, a current sharing control circuit and a LED load. The LED load and the current sharing circuit are in series and form a series loop with a first terminal and a second terminal of the series loop connected to a first output terminal and a second output terminal of the constant current power supply.

摘要翻译： 一种用于LED驱动器的多个输出的恒定电流控制电路，包括单输出恒流电源的电路和多个输出电路，每个输出电路包括电流共享电路，电流共享控制电路和LED负载。 LED负载和电流共享电路串联并形成串联回路，其中串联回路的第一端子和第二端子连接到恒流电源的第一输出端子和第二输出端子。