公开(公告)号：US20150357920A1

公开(公告)日：2015-12-10

申请号：US14301084

申请日：2014-06-10

申请人： Ayan Choudhury ,  Nitin Kumar ,  Markus Ziegler

发明人： Ayan Choudhury ,  Nitin Kumar ,  Markus Ziegler

IPC分类号： H02M3/335 ,  H05B33/08

CPC分类号： H02M3/33507 ,  H02M3/3385 ,  H02M2001/007 ,  H05B33/08

摘要： An inverter for a lighting device including one or more solid state light sources is used to power a secondary load, such as a cooling device, sensor, or control with an auxiliary power circuit that provides a selectable auxiliary voltage to the secondary load. The auxiliary power circuit includes a voltage regulation circuit and a voltage selection circuit. The voltage selection circuit provides a feedback voltage to the voltage regulation circuit which his indicative of auxiliary output voltage. The voltage regulation circuit operates based on the feedback voltage and a reference voltage to adjust the auxiliary voltage to a level that differs from the input voltage from the inverter.

摘要翻译： 用于包括一个或多个固态光源的照明装置的逆变器用于通过辅助电源电路为诸如冷却装置，传感器或控制器的次级负载供电，该辅助电源电路为次级负载提供可选择的辅助电压。 辅助电源电路包括电压调节电路和电压选择电路。 电压选择电路向调压电路提供反馈电压，其指示辅助输出电压。 电压调节电路基于反馈电压和参考电压进行工作，以将辅助电压调整到与逆变器的输入电压不同的电平。

公开(公告)号：US20140049159A1

公开(公告)日：2014-02-20

申请号：US14064837

申请日：2013-10-28

申请人： Nitin Kumar ,  Markus Ziegler ,  Shashank Bakre ,  Ayan Choudhury

发明人： Nitin Kumar ,  Markus Ziegler ,  Shashank Bakre ,  Ayan Choudhury

IPC分类号： H05B41/16 ,  H01J65/04

CPC分类号： H05B41/16 ,  H01J65/048 ,  H05B41/2806 ,  Y02B20/22

摘要： A multi-strike ballast to ignite an electrodeless lamp is disclosed, and includes an inverter circuit, a protection circuit, and a controller. The inverter circuit, upon activation, sends an ignition pulse to the lamp. The inverter circuit shuts down upon receiving a deactivation signal, and activates upon receiving an activation signal, triggering another ignition pulse. The protection circuit senses a change in a voltage associated with the lamp. The sensed changed may indicate that the lamp has not yet ignited or that the lamp is broken. The controller receives the sensed change in voltage and, in response, sends a deactivation signal to the inverter circuit. The controller waits a predetermined time and then sends an activation signal to the inverter circuit. The controller repeats until a change in voltage associated with the lamp is not sensed, or until a predefined number of repeats occur, providing multiple ignition pulses to the lamp.

摘要翻译： 公开了一种点燃无电极灯的多冲击镇流器，包括逆变器电路，保护电路和控制器。 逆变器电路在激活时向灯发出点火脉冲。 逆变器电路在接收到去激活信号时关闭，并在接收到激活信号时激活，触发另一个点火脉冲。 保护电路检测与灯相关的电压的变化。 所感测到的变化可能指示灯还没有被点燃或灯被破坏。 控制器接收感测到的电压变化，作为响应，向逆变器电路发送去激活信号。 控制器等待预定时间，然后将激活信号发送到逆变器电路。 控制器重复，直到没有检测到与灯相关的电压变化，或直到发生预定数量的重复，向灯提供多个点火脉冲。

公开(公告)号：US20140001971A1

公开(公告)日：2014-01-02

申请号：US13539402

申请日：2012-06-30

申请人： Nitin Kumar ,  Markus Ziegler ,  Robert Martin ,  Shashank Bakre

发明人： Nitin Kumar ,  Markus Ziegler ,  Robert Martin ,  Shashank Bakre

IPC分类号： H05B37/02

CPC分类号： H05B41/2883 ,  H05B41/36

摘要： A ballast for energizing a lamp at a lighting level selected from a plurality of lamp lighting levels. The ballast includes a buck converter circuit configured to receive a DC voltage signal having a substantially constant magnitude. The buck converter circuit has a duty cycle for generating a lamp voltage output signal from the DC voltage signal. The lamp voltage output signal has a magnitude that is varied by the duty cycle to energize the lamp at the plurality of lamp lighting levels. A controller is configured to receive a dim input signal indicative of the selected lamp lighting level and to provide a control signal to the buck converter circuit as a function of the dim input signal. The control signal indicates a particular duty cycle corresponding to a lamp voltage output signal having a magnitude for energizing the lamp at the selected lamp lighting level.

摘要翻译： 一种镇流器，用于在从多个灯照明水平中选择的照明水平上激发灯。 镇流器包括被配置为接收具有基本恒定幅度的DC电压信号的降压转换器电路。 降压转换器电路具有用于从直流电压信号产生灯电压输出信号的占空比。 灯电压输出信号具有由占空比变化的大小，以在多个灯照明电平下给灯供电。 控制器被配置为接收指示所选择的灯点亮电平的暗淡输入信号，并且作为所述暗淡输入信号的函数向所述降压转换器电路提供控制信号。 控制信号表示对应于灯电压输出信号的特定占空比，该灯电压输出信号具有在选定的灯照明电平下对灯进行激励的幅度。

公开(公告)号：US08569966B2

公开(公告)日：2013-10-29

申请号：US13302075

申请日：2011-11-22

申请人： Nitin Kumar ,  Shashank Bakre ,  Markus Ziegler

发明人： Nitin Kumar ,  Shashank Bakre ,  Markus Ziegler

IPC分类号： H05B37/02 ,  H05B41/36

CPC分类号： H05B41/042 ,  H05B41/2806 ,  Y02B20/22

摘要： A ballast to energize a lamp is provided. The ballast comprises a buck converter connected to an inverter via a switching component. The buck converter includes a transistor, a capacitor, a diode, and an inductor. The switching component has a predetermined breakover voltage value and is configured to provide a start up signal to the inverter when voltage at the switching component increases to the predetermined breakover voltage value. A control circuit is configured to monitor the voltage at the switching component while the voltage at the switching component increases to the predetermined breakover voltage, and is configured to generate a gate drive pulse at a gate terminal of the transistor when the voltage at the switching component reaches a predetermined voltage that is less than the breakover voltage of the switching component.

摘要翻译： 提供了一个用于激励灯的镇流器。 镇流器包括通过开关部件连接到逆变器的降压转换器。 降压转换器包括晶体管，电容器，二极管和电感器。 开关部件具有预定的分解电压值，并且被配置为当开关部件的电压增加到预定的转折电压值时，向逆变器提供启动信号。 控制电路被配置为在切换部件处的电压升高到预定的断开电压时监视开关部件的电压，并且被配置为当开关部件的电压为阈值时，在晶体管的栅极端产生栅极驱动脉冲 达到小于开关部件的断流电压的预定电压。

公开(公告)号：US20170303355A1

公开(公告)日：2017-10-19

申请号：US15641318

申请日：2017-07-04

申请人： Nitin Kumar ,  Markus Ziegler ,  Naveen Tumula ,  Thomas Schalton

发明人： Nitin Kumar ,  Markus Ziegler ,  Naveen Tumula ,  Thomas Schalton

IPC分类号： H05B33/08 ,  H02M3/24 ,  H02M3/335 ,  H02M1/00

CPC分类号： H05B33/0815 ,  H02M3/24 ,  H02M3/33507 ,  H02M2001/0025 ,  H05B33/08 ,  Y02B20/348

摘要： A driver port that provides selectable output currents based on connections thereto, and a driver including the same, is provided. A plurality of shunt resistors are connected in series between a negative output of a driver and a ground. A driver port having a plurality of connection points is provided, each respective connection point connected to a different connection between two of the plurality of shunt resistors. A load including one or more solid state light sources is capable of being connected between one of the connection points of the driver port and a positive output of the driver.

公开(公告)号：US09084322B2

公开(公告)日：2015-07-14

申请号：US14312919

申请日：2014-06-24

申请人： Nitin Kumar ,  Markus Ziegler

发明人： Nitin Kumar ,  Markus Ziegler

IPC分类号： H05B33/08 ,  H02M3/24

CPC分类号： H05B33/0815 ,  H02M3/24 ,  H02M3/33507 ,  H02M2001/0025 ,  H05B33/08 ,  Y02B20/348

摘要： A bi-level current configurable driver is provided. The driver includes a feedback circuit, a driver circuit providing a driver signal to a half bridge inverter, and a step-dim interface coupled to a first alternating current input line, a second alternating current input line, and a neutral line, providing voltage to the driver circuit. The driver also includes a first feedforward circuit coupled to the step-dim interface, where the first feedforward circuit receives a first signal from the step-dim interface based on the states of the first alternating current input line, the second alternating current input line, and the neutral line. In a first state, the driver provides full current to a load, and in a second state, the driver provides less than full current to the load.

摘要翻译： 提供双电平电流可配置驱动器。 驱动器包括反馈电路，向半桥逆变器提供驱动器信号的驱动器电路，以及耦合到第一交流输入线，第二交流输入线和中性线的阶梯形接口，提供电压到 驱动电路。 所述驱动器还包括耦合到所述渐变接口的第一前馈电路，其中所述第一前馈电路基于所述第一交流电输入线，所述第二交流输入线，所述第二交流输入线， 和中性线。 在第一状态下，驱动器向负载提供全电流，而在第二状态下，驱动器向负载提供小于满电流。

公开(公告)号：US20150043246A1

公开(公告)日：2015-02-12

申请号：US14312951

申请日：2014-06-24

申请人： Nitin Kumar ,  Markus Ziegler

发明人： Nitin Kumar ,  Markus Ziegler

IPC分类号： H02M1/32 ,  H02M3/335

摘要： A no load detection and shutdown circuit in an isolated driver is provided. A no load condition is detected by primary side evaluation of a reflected voltage. If a determination is made that a no load condition is present, the no load detection circuit signals a half bridge driver of the driver to cease oscillations, shutting down the driver.

摘要翻译： 提供了隔离驱动器中的空载检测和关断电路。 通过反射电压的初级侧评估来检测无负载状态。 如果确定存在空载条件，则空载检测电路向驾驶员的半桥驱动器发出信号以停止振荡，关闭驾驶员。

公开(公告)号：US20120313538A1

公开(公告)日：2012-12-13

申请号：US13155104

申请日：2011-06-07

申请人： Nitin Kumar ,  Markus Ziegler ,  Shashank Bakre

发明人： Nitin Kumar ,  Markus Ziegler ,  Shashank Bakre

IPC分类号： H05B37/02

CPC分类号： H05B41/2806 ,  Y02B20/22

摘要： A ballast to energize a lamp at a selected lighting level is provided. The ballast includes a rectifier, a buck converter, and a controller. The rectifier produces a DC voltage with a substantially constant magnitude. The buck converter generates a lamp voltage output from the DC voltage based on a duty cycle. The output has a magnitude that is varied based on the duty cycle to energize the lamp at a selected lighting level. The controller receives a dim input signal indicating the selected lighting level, and provides an appropriate control signal to the buck converter. The appropriate control signal indicates a particular duty cycle corresponding to magnitude of the output to produce the selected lighting level. In response to receiving the control signal, the buck converter adjusts the duty cycle accordingly, producing the output having the magnitude to energize the lamp at the selected lighting level.

摘要翻译： 提供了在选定的照明级别对灯进行通电的镇流器。 镇流器包括整流器，降压转换器和控制器。 整流器产生具有基本恒定幅度的直流电压。 降压转换器基于占空比产生从直流电压输出的灯电压。 输出具有基于占空比而变化的幅度，以在所选择的照明水平激励灯。 控制器接收指示所选择的照明电平的暗淡的输入信号，并向降压转换器提供适当的控制信号。 适当的控制信号指示对应于输出的幅度的特定占空比以产生所选择的照明电平。 响应于接收到控制信号，降压转换器相应地调节占空比，产生具有在所选择的照明电平下激励灯的幅度的输出。

公开(公告)号：US10686363B2

公开(公告)日：2020-06-16

申请号：US14312951

申请日：2014-06-24

申请人： Nitin Kumar ,  Markus Ziegler

发明人： Nitin Kumar ,  Markus Ziegler

IPC分类号： H02M1/32 ,  H02M1/36 ,  H02M3/337 ,  H05B45/50 ,  H02M1/00

摘要： A no load detection and shutdown circuit in an isolated driver is provided. A no load condition is detected by primary side evaluation of a reflected voltage. If a determination is made that a no load condition is present, the no load detection circuit signals a half bridge driver of the driver to cease oscillations, shutting down the driver.

公开(公告)号：US20130127355A1

公开(公告)日：2013-05-23

申请号：US13302075

申请日：2011-11-22

申请人： Nitin Kumar ,  Shashank Bakre ,  Markus Ziegler

发明人： Nitin Kumar ,  Shashank Bakre ,  Markus Ziegler

IPC分类号： H05B37/02

CPC分类号： H05B41/042 ,  H05B41/2806 ,  Y02B20/22

摘要： A ballast to energize a lamp is provided. The ballast comprises a buck converter connected to an inverter via a switching component. The buck converter includes a transistor, a capacitor, a diode, and an inductor. The switching component has a predetermined breakover voltage value and is configured to provide a start up signal to the inverter when voltage at the switching component increases to the predetermined breakover voltage value. A control circuit is configured to monitor the voltage at the switching component while the voltage at the switching component increases to the predetermined breakover voltage, and is configured to generate a gate drive pulse at a gate terminal of the transistor when the voltage at the switching component reaches a predetermined voltage that is less than the breakover voltage of the switching component.

摘要翻译： 提供了一个用于激励灯的镇流器。 镇流器包括通过开关部件连接到逆变器的降压转换器。 降压转换器包括晶体管，电容器，二极管和电感器。 开关部件具有预定的分解电压值，并且被配置为当开关部件的电压增加到预定的转折电压值时，向逆变器提供启动信号。 控制电路被配置为在切换部件处的电压升高到预定的断开电压时监视开关部件的电压，并且被配置为当开关部件的电压为阈值时，在晶体管的栅极端产生栅极驱动脉冲 达到小于开关部件的断流电压的预定电压。