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1. 发明申请

US20120274136A1 MULTI-PATH CONSTANT CURRENT DRIVING CIRCUIT 有权
标题翻译：多路恒流驱动电路
公开(公告)号：US20120274136A1
公开(公告)日：2012-11-01
申请号：US13511049
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： H02J1/00
CPC分类号： H05B33/0815 , H02M3/33523 , H02M2001/0064 , H02M2001/008 , H05B33/0827 , Y10T307/414
摘要： A multi-path constant current driving circuit. In the multi-path constant current driving circuit, a current sharing transformer (T31, T32, T33, T3(n−1)) is provided in power supply circuits which are provided with adjacent rectifier and filter units (Z31, Z32, Z33, Z3n). A first winding of the current sharing transformer (T31, T32, T33, T3(n−1)) is connected between a first terminal of a secondary winding of a first power supply circuit and the rectifier and filter unit (Z31, Z32, Z33, Z3n) of the first power supply circuit. A second winding of the current sharing transformer (T31, T32, T33, T3(n−1)) is connected between a first terminal of a secondary winding of a second power supply circuit and the rectifier and filter unit (Z31, Z32, Z33, Z3n) of the second power supply circuit. In-phase current flows through the dotted terminal of the first winding and the synonym terminal of the second winding of the current sharing transformer (T31, T32, T33, T3(n−1)). The current sharing transformer (T31, T32, T33, T3(n−1)) is used for sharing the current between the power supply circuits which are provided with the adjacent rectifier and filter units (Z31, Z32, Z33, Z3n). The driving circuit is provided with high current sharing efficiency, a small size and a low cost.
摘要翻译：多路恒流驱动电路。在多路恒流驱动电路中，在配置有相邻的整流器和滤波器单元（Z31，Z32，Z33，...，Z33，...）的电源电路中设置电流共享变压器（T31，T32，T33，T3（n-1） Z3n）。电流共享变压器（T31，T32，T33，T3（n-1））的第一绕组连接在第一电源电路的次级绕组的第一端和整流器和滤波器单元（Z31，Z32，Z33 ，Z3n）。电流共享变压器（T31，T32，T33，T3（n-1））的第二绕组连接在第二电源电路的次级绕组的第一端和整流器和滤波器单元（Z31，Z32，Z33 ，Z3n）。同相电流流过第一绕组的虚线端子和电流共享变压器（T31，T32，T33，T3（n-1））的第二绕组的同义端子。电流共享变压器（T31，T32，T33，T3（n-1））用于共享设置有相邻整流器的电源电路和滤波器单元（Z31，Z32，Z33，Z3n）之间的电流。驱动电路具有高的分流效率，体积小，成本低。

2. 发明申请

US20100309701A1 SYNCHRONOUS RECTIFYING DRIVE CIRCUIT WITH ENERGY FEEDBACK FOR VOLTAGE DOUBLER RECTIFER 有权
标题翻译：具有用于电压双重振荡器的能量反馈的同步整流驱动电路
公开(公告)号：US20100309701A1
公开(公告)日：2010-12-09
申请号：US12796662
申请日：2010-06-08
申请人： Xinke Wu , Delai Jiang , Xiaojun Guo , Guichao Hua
发明人： Xinke Wu , Delai Jiang , Xiaojun Guo , Guichao Hua
IPC分类号： H02M7/217
CPC分类号： H02M3/33592 , H02M7/103 , Y02B70/1475
摘要： A current-driven synchronous rectifying drive circuit designed for a T-type voltage doubler rectifier with an energy feedback circuit including a clamp and energy feedback circuit, a high frequency transformer, a current transducer, an energy storage capacitor, an output capacitor, a first and a second synchronous rectifier, and a first drive circuit connected to the first synchronous rectifier and a second drive circuit connected to the second synchronous rectifier.
摘要翻译：一种用于具有能量反馈电路的T型倍压整流器的电流驱动同步整流驱动电路，包括钳位和能量反馈电路，高频变压器，电流传感器，储能电容器，输出电容器，第一和第二同步整流器，以及连接到第一同步整流器的第一驱动电路和连接到第二同步整流器的第二驱动电路。

3. 发明授权

US08674621B2 Constant current control circuit with multiple outputs for LED driver 有权
标题翻译： LED驱动器的多路输出恒流控制电路
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。

4. 发明申请

US20120286678A1 DRIVE CIRCUIT FOR REALIZING ACCURATE CONSTANT CURRENT OF MULTIPLE LEDS 有权
标题翻译：用于实现多个LED的精确恒定电流的驱动电路
公开(公告)号：US20120286678A1
公开(公告)日：2012-11-15
申请号：US13519476
申请日：2010-12-09
申请人： Xinke Wu , Liang'an Ge
发明人： Xinke Wu , Liang'an Ge
IPC分类号： H05B37/00
CPC分类号： H05B33/0815 , H05B33/0818 , H05B37/02
摘要： A drive circuit for realizing accurate constant current of multiple LEDs is disclosed. The drive circuit comprises a high-frequency impulse Alternating Current (AC) power carrying N circuit units with same structure. Each of the circuit unit comprises a rectifier filter circuit, a blocking capacitor C1 and two LED loads. The rectifier filter circuit comprises two independent half-wave rectifier circuits, and two filter capacitors. Each of the two half-wave rectifier circuits comprises two diodes connected in series to supply power for the corresponding LED load. The filter capacitor is connected in parallel with the two ends of an LED load respectively, and the blocking capacitor C1 is connected in series with the input end of the rectifier filter circuit. The circuit also comprises N−1 equalizing transformers, each of which connects in series between two adjacent circuit units. A drive circuit for constant output current of multiple LEDs with high efficient, low cost and great flow equalization is provided in the embodiment of the invention. When the differential voltage of the two LED loads is large, high efficiency can also be achieved.
摘要翻译：公开了一种用于实现多个LED的精确恒定电流的驱动电路。驱动电路包括具有相同结构的N个电路单元的高频脉冲交流（AC）电力。每个电路单元包括整流滤波电路，阻塞电容器C1和两个LED负载。整流滤波电路包括两个独立的半波整流电路和两个滤波电容器。两个半波整流电路中的每一个包括串联连接的两个二极管，用于为相应的LED负载供电。滤波电容器分别与LED负载的两端并联连接，隔离电容器C1与整流滤波电路的输入端串联连接。电路还包括N-1个均衡变压器，每个变压器串联连接在两个相邻的电路单元之间。在本发明的实施例中提供了用于具有高效，低成本和大流量均衡的多个LED的恒定输出电流的驱动电路。当两个LED负载的差分电压大时，也可以实现高效率。

5. 发明授权

US09155141B2 Multi-path constant current driving circuit 有权
标题翻译：多路恒流驱动电路
公开(公告)号：US09155141B2
公开(公告)日：2015-10-06
申请号：US13511049
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： H02J1/00 , H02J3/00 , H05B33/08 , H02M3/335 , H02M1/00
CPC分类号： H05B33/0815 , H02M3/33523 , H02M2001/0064 , H02M2001/008 , H05B33/0827 , Y10T307/414
摘要： A multi-path constant current driving circuit. In the multi-path constant current driving circuit, a current sharing transformer (T31, T32, T33, T3(n−1)) is provided in power supply circuits which are provided with adjacent rectifier and filter units (Z31, Z32, Z33, Z3n). A first winding of the current sharing transformer (T31, T32, T33, T3(n−1)) is connected between a first terminal of a secondary winding of a first power supply circuit and the rectifier and filter unit (Z31, Z32, Z33, Z3n) of the first power supply circuit. A second winding of the current sharing transformer (T31, T32, T33, T3(n−1)) is connected between a first terminal of a secondary winding of a second power supply circuit and the rectifier and filter unit (Z31, Z32, Z33, Z3n) of the second power supply circuit. In-phase current flows through the dotted terminal of the first winding and the synonym terminal of the second winding of the current sharing transformer (T31, T32, T33, T3(n−1)). The current sharing transformer (T31, T32, T33, T3(n−1)) is used for sharing the current between the power supply circuits which are provided with the adjacent rectifier and filter units (Z31, Z32, Z33, Z3n ). The driving circuit is provided with high current sharing efficiency, a small size and a low cost.
摘要翻译：多路恒流驱动电路。在多路恒流驱动电路中，在配置有相邻的整流器和滤波器单元（Z31，Z32，Z33，...，Z33，...）的电源电路中设置电流共享变压器（T31，T32，T33，T3（n-1） Z3n）。电流共享变压器（T31，T32，T33，T3（n-1））的第一绕组连接在第一电源电路的次级绕组的第一端和整流器和滤波器单元（Z31，Z32，Z33 ，Z3n）。电流共享变压器（T31，T32，T33，T3（n-1））的第二绕组连接在第二电源电路的次级绕组的第一端和整流器和滤波器单元（Z31，Z32，Z33 ，Z3n）。同相电流流过第一绕组的虚线端子和电流共享变压器（T31，T32，T33，T3（n-1））的第二绕组的同义端子。电流共享变压器（T31，T32，T33，T3（n-1））用于共享设置有相邻整流器的电源电路和滤波器单元（Z31，Z32，Z33，Z3n）之间的电流。驱动电路具有高的分流效率，体积小，成本低。

6. 发明授权

US08369118B2 Synchronous rectifying drive circuit with energy feedback for voltage doubler rectifer 有权
标题翻译：具有能量反馈的同步整流驱动电路，用于倍压整流器
公开(公告)号：US08369118B2
公开(公告)日：2013-02-05
申请号：US12796662
申请日：2010-06-08
申请人： Xinke Wu , Delai Jiang , Xiaojun Guo , Guichao Hua
发明人： Xinke Wu , Delai Jiang , Xiaojun Guo , Guichao Hua
IPC分类号： H02M7/217
CPC分类号： H02M3/33592 , H02M7/103 , Y02B70/1475
摘要： A current-driven synchronous rectifying drive circuit designed for a T-type voltage doubler rectifier with an energy feedback circuit including a clamp and energy feedback circuit, a high frequency transformer, a current transducer, an energy storage capacitor, an output capacitor, a first and a second synchronous rectifier, and a first drive circuit connected to the first synchronous rectifier and a second drive circuit connected to the second synchronous rectifier.
摘要翻译：一种用于具有能量反馈电路的T型倍压整流器的电流驱动同步整流驱动电路，包括钳位和能量反馈电路，高频变压器，电流传感器，储能电容器，输出电容器，第一和第二同步整流器，以及连接到第一同步整流器的第一驱动电路和连接到第二同步整流器的第二驱动电路。

7. 发明申请

US20120274291A1 MULTI-PATH CONSTANT CURRENT DRIVING CIRCUIT 有权
标题翻译：多路恒流驱动电路
公开(公告)号：US20120274291A1
公开(公告)日：2012-11-01
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： G05F1/577
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。

8. 发明申请

US20110080115A1 CONSTANT CURRENT CONTROL CIRCUIT WITH MULTIPLE OUTPUTS FOR LED DRIVER 有权
标题翻译：具有多个LED驱动器输出的恒定电流控制电路
公开(公告)号：US20110080115A1
公开(公告)日：2011-04-07
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： 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。

9. 发明申请

US20110001766A1 LED Drive Circuit For SCR Dimming 有权
标题翻译： LED驱动电路用于SCR调光
公开(公告)号：US20110001766A1
公开(公告)日：2011-01-06
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： G09G5/10
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。

10. 发明授权

US08866394B2 Drive circuit for realizing accurate constant current of multiple LEDs 有权
标题翻译：用于实现多个LED的精确恒定电流的驱动电路
公开(公告)号：US08866394B2
公开(公告)日：2014-10-21
申请号：US13519476
申请日：2010-12-09
申请人： Xinke Wu , Liang'an Ge
发明人： Xinke Wu , Liang'an Ge
IPC分类号： H05B37/00 , H05B33/08 , H05B37/02
CPC分类号： H05B33/0815 , H05B33/0818 , H05B37/02
摘要： A drive circuit for realizing accurate constant current of multiple LEDs is disclosed. The drive circuit comprises a high-frequency impulse Alternating Current (AC) power carrying N circuit units with same structure. Each of the circuit unit comprises a rectifier filter circuit, a blocking capacitor C1 and two LED loads. The rectifier filter circuit comprises two independent half-wave rectifier circuits, and two filter capacitors. Each of the two half-wave rectifier circuits comprises two diodes connected in series to supply power for the corresponding LED load. The filter capacitor is connected in parallel with the two ends of an LED load respectively, and the blocking capacitor C1 is connected in series with the input end of the rectifier filter circuit. The circuit also comprises N−1 equalizing transformers, each of which connects in series between two adjacent circuit units. A drive circuit for constant output current of multiple LEDs with high efficient, low cost and great flow equalization is provided in the embodiment of the invention. When the differential voltage of the two LED loads is large, high efficiency can also be achieved.
摘要翻译：公开了一种用于实现多个LED的精确恒定电流的驱动电路。驱动电路包括具有相同结构的N个电路单元的高频脉冲交流（AC）电力。每个电路单元包括整流滤波电路，阻塞电容器C1和两个LED负载。整流滤波电路包括两个独立的半波整流电路和两个滤波电容器。两个半波整流电路中的每一个包括串联连接的两个二极管，用于为相应的LED负载供电。滤波电容器分别与LED负载的两端并联连接，隔离电容器C1与整流滤波电路的输入端串联连接。电路还包括N-1个均衡变压器，每个变压器串联连接在两个相邻的电路单元之间。在本发明的实施例中提供了用于具有高效，低成本和大流量均衡的多个LED的恒定输出电流的驱动电路。当两个LED负载的差分电压大时，也可以实现高效率。

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