公开(公告)号：US09392656B2

公开(公告)日：2016-07-12

申请号：US14123237

申请日：2012-05-31

申请人： Francesco Angelin ,  Paolo De Anna ,  Felix Franck ,  Enrico Raniero

发明人： Francesco Angelin ,  Paolo De Anna ,  Felix Franck ,  Enrico Raniero

IPC分类号： H05B37/00 ,  H05B33/08

CPC分类号： H05B33/0821 ,  H05B33/0815 ,  H05B33/0827

摘要： An arrangement for driving a light source, including a plurality of LED strings by means of a current generator, wherein each said LED string forms a respective current mesh with said current generator, includes: at least one inductor acting on said current meshes, in each of said current meshes, an electronic switch having a first, working node towards the LED string and a second, reference node opposed to the LED string.All the reference nodes of all the electronic switches are connected together, and the working node of each electronic switch is connected to the work node of at least another one of the electronic switches via at least one current averaging capacitor.The electronic switches can be selectively rendered conductive, each one at a respective time interval, thereby selectively distributing the current of the current generator over the LED strings.

摘要翻译： 一种用于驱动光源的装置，包括借助于电流发生器的多个LED串，其中每个所述LED串与所述电流发生器形成相应的电流网格，包括：至少一个电感器，其作用在所述电流网格上 的电流开关，具有朝向LED串的第一工作节点和与LED串相对的第二参考节点的电子开关。 所有电子开关的所有参考节点连接在一起，并且每个电子开关的工作节点经由至少一个电流平均电容器连接到至少另一个电子开关的工作节点。 电子开关可以以相应的时间间隔选择性地导通，从而选择性地将电流发生器的电流分配在LED串上。

公开(公告)号：US20140111102A1

公开(公告)日：2014-04-24

申请号：US14123237

申请日：2012-05-31

申请人： Francesco Angelin ,  Paolo De Anna ,  Felix Franck ,  Enrico Raniero

发明人： Francesco Angelin ,  Paolo De Anna ,  Felix Franck ,  Enrico Raniero

IPC分类号： H05B33/08

CPC分类号： H05B33/0821 ,  H05B33/0815 ,  H05B33/0827

摘要： An arrangement for driving a light source, including a plurality of LED strings by means of a current generator, wherein each said LED string forms a respective current mesh with said current generator, includes: at least one inductor acting on said current meshes, in each of said current meshes, an electronic switch having a first, working node towards the LED string and a second, reference node opposed to the LED string.All the reference nodes of all the electronic switches are connected together, and the working node of each electronic switch is connected to the work node of at least another one of the electronic switches via at least one current averaging capacitor.The electronic switches can be selectively rendered conductive, each one at a respective time interval, thereby selectively distributing the current of the current generator over the LED strings.

摘要翻译： 一种用于驱动光源的装置，包括借助于电流发生器的多个LED串，其中每个所述LED串与所述电流发生器形成相应的电流网格，包括：至少一个电感器，其作用在所述电流网格上 的电流开关，具有朝向LED串的第一工作节点和与LED串相对的第二参考节点的电子开关。 所有电子开关的所有参考节点连接在一起，并且每个电子开关的工作节点经由至少一个电流平均电容器连接到至少另一个电子开关的工作节点。 电子开关可以以相应的时间间隔选择性地导通，从而选择性地将电流发生器的电流分配在LED串上。

公开(公告)号：US20120139423A1

公开(公告)日：2012-06-07

申请号：US13308566

申请日：2011-12-01

申请人： Francesco Angelin ,  Paolo De Anna

发明人： Francesco Angelin ,  Paolo De Anna

IPC分类号： H05B37/02 ,  G05F1/10

CPC分类号： H05B37/00 ,  H05B33/0818

摘要： A converter for feeding a load via an inductor with a current having a controlled intensity between a maximum level and a minimum level may include: a switch switchable on and off to permit or prevent, respectively, feeding of current towards said inductor; first and second current sensors sensitive to the current flowing through said switch when said switch is on or off, respectively; comparator circuitry to identify if the current intensity detected by said first current sensor and said second current sensor reaches said maximum level and said minimum level, respectively, by generating respective logical signals; and drive circuitry for said switch sensitive to said logical signals and configured to turn off said switch when the current intensity detected by said first sensor reaches said maximum level and turning on said switch when the current intensity detected by said second current sensor reaches said minimum level.

摘要翻译： 用于通过电感器馈送具有在最大电平和最小电平之间的受控强度的电流的负载的转换器可以包括：可切换的开关，以分别允许或防止向所述电感器馈送电流; 第一和第二电流传感器分别对所述开关分别开启或关闭时流经所述开关的电流敏感; 比较器电路，用于识别所述第一电流传感器和所述第二电流传感器检测到的电流强度是否分别通过产生相应的逻辑信号而达到所述最大电平和所述最小电平; 以及用于所述开关的驱动电路，对所述逻辑信号敏感，并配置为当所述第一传感器检测到的电流强度达到所述最大电平时关闭所述开关，并且当由所述第二电流传感器检测到的电流强度达到所述最小电平时接通所述开关 。

公开(公告)号：US08674614B2

公开(公告)日：2014-03-18

申请号：US13308566

申请日：2011-12-01

申请人： Francesco Angelin ,  Paolo De Anna

发明人： Francesco Angelin ,  Paolo De Anna

IPC分类号： H05B37/00 ,  H05B37/02

CPC分类号： H05B37/00 ,  H05B33/0818

摘要： A converter for feeding a load via an inductor with a current having a controlled intensity between a maximum level and a minimum level may include: a switch switchable on and off to permit or prevent, respectively, feeding of current towards said inductor; first and second current sensors sensitive to the current flowing through said switch when said switch is on or off, respectively; comparator circuitry to identify if the current intensity detected by said first current sensor and said second current sensor reaches said maximum level and said minimum level, respectively, by generating respective logical signals; and drive circuitry for said switch sensitive to said logical signals and configured to turn off said switch when the current intensity detected by said first sensor reaches said maximum level and turning on said switch when the current intensity detected by said second current sensor reaches said minimum level.

摘要翻译： 用于通过电感器馈送具有在最大电平和最小电平之间的受控强度的电流的负载的转换器可以包括：可切换的开关，以分别允许或防止向所述电感器馈送电流; 第一和第二电流传感器分别对所述开关分别开启或关闭时流经所述开关的电流敏感; 比较器电路，用于识别所述第一电流传感器和所述第二电流传感器检测到的电流强度是否分别通过产生相应的逻辑信号而达到所述最大电平和所述最小电平; 以及用于所述开关的驱动电路，对所述逻辑信号敏感，并配置为当所述第一传感器检测到的电流强度达到所述最大电平时关闭所述开关，并且当由所述第二电流传感器检测到的电流强度达到所述最小电平时接通所述开关 。

公开(公告)号：US08339812B2

公开(公告)日：2012-12-25

申请号：US12746195

申请日：2007-12-07

申请人： Francesco Martini ,  Paolo De Anna

发明人： Francesco Martini ,  Paolo De Anna

IPC分类号： H02M3/22 ,  H02M3/335

CPC分类号： H02M3/3376 ,  H02M2001/0058 ,  H05B33/0815 ,  Y02B20/348 ,  Y02B70/1433 ,  Y02B70/1491

摘要： A power converter is provided, which may include_a transformer having primary and secondary windings; a primary side switching bridge arrangement including at least two switches switcheable at a switching frequency to drive the primary winding of said transformer, said primary side switching bridge arrangement including at least one decoupling capacitor; and a secondary side rectifying and filtering stage coupled to the secondary winding of said transformer, wherein said secondary side rectifying and filtering stage includes a current doubler with at least one inductor, wherein said at least one decoupling capacitor and said at least one inductor in said current doubler comprise a resonant tank circuit having a resonant frequency range encompassing said switching frequency, whereby said converter exhibits a gain defined by the position of said switching frequency within said resonant frequency range.

摘要翻译： 提供了一种功率转换器，其可以包括具有初级和次级绕组的变压器; 初级侧开关桥式装置，其包括至少两个开关，其以切换频率切换以驱动所述变压器的初级绕组，所述初级侧开关桥式装置包括至少一个去耦电容器; 以及耦合到所述变压器的次级绕组的次级侧整流和滤波级，其中所述次级侧整流和滤波级包括具有至少一个电感器的电流倍增器，其中所述至少一个去耦电容器和所述至少一个电感器 电流倍增器包括具有包围所述开关频率的谐振频率范围的谐振回路，由此所述转换器表现出由所述开关频率在所述谐振频率范围内的位置所限定的增益。

公开(公告)号：US20100254163A1

公开(公告)日：2010-10-07

申请号：US12746195

申请日：2007-12-07

申请人： Francesco Martini ,  Paolo De Anna

发明人： Francesco Martini ,  Paolo De Anna

IPC分类号： H02M3/337

CPC分类号： H02M3/3376 ,  H02M2001/0058 ,  H05B33/0815 ,  Y02B20/348 ,  Y02B70/1433 ,  Y02B70/1491

摘要： A power converter is provided, which may include_a transformer having primary and secondary windings; a primary side switching bridge arrangement including at least two switches switcheable at a switching frequency to drive the primary winding of said transformer, said primary side switching bridge arrangement including at least one decoupling capacitor; and a secondary side rectifying and filtering stage coupled to the secondary winding of said transformer, wherein said secondary side rectifying and filtering stage includes a current doubler with at least one inductor, wherein said at least one decoupling capacitor and said at least one inductor in said current doubler comprise a resonant tank circuit having a resonant frequency range encompassing said switching frequency, whereby said converter exhibits a gain defined by the position of said switching frequency within said resonant frequency range.

摘要翻译： 提供了一种功率转换器，其可以包括具有初级和次级绕组的变压器; 初级侧开关桥式装置，其包括至少两个开关，其以切换频率切换以驱动所述变压器的初级绕组，所述初级侧开关桥式装置包括至少一个去耦电容器; 以及耦合到所述变压器的次级绕组的次级侧整流和滤波级，其中所述次级侧整流和滤波级包括具有至少一个电感器的电流倍增器，其中所述至少一个去耦电容器和所述至少一个电感器 电流倍增器包括具有包围所述开关频率的谐振频率范围的谐振回路，由此所述转换器表现出由所述开关频率在所述谐振频率范围内的位置所限定的增益。

公开(公告)号：US20060043904A1

公开(公告)日：2006-03-02

申请号：US11204055

申请日：2005-08-16

申请人： Paolo De Anna ,  Ugo Francescutti

发明人： Paolo De Anna ,  Ugo Francescutti

IPC分类号： H05B37/00

CPC分类号： H05B33/0809 ,  H05B33/0815 ,  Y02B20/342 ,  Y02B20/347

摘要： An arrangement for supplying a constant current to at least one LED includes a current source (2; 2a, 2b) with an output capacitor (3) connected across the terminals of the current source. An output inductor (4) is associated with the output capacitor (3) whereby the current supplied flows through the inductor (4). A smoothing resistor (5) is preferably connected in parallel to the output inductor (4).

摘要翻译： 用于向至少一个LED提供恒定电流的装置包括具有连接在电流源的端子上的输出电容器（3）的电流源（2; 2a，2b）。 输出电感器（4）与输出电容器（3）相关联，由此所提供的电流流过电感器（4）。 平滑电阻器（5）优选与输出电感器（4）并联连接。

公开(公告)号：US08514528B2

公开(公告)日：2013-08-20

申请号：US12919767

申请日：2008-02-27

申请人： Paolo De Anna ,  Francesco Martini

发明人： Paolo De Anna ,  Francesco Martini

IPC分类号： H02H5/04

CPC分类号： H02M1/32

摘要： A method of protecting from over-temperature a device associated with an electronic converter including a feedback path for regulating the output signal of said electronic converter may include providing a thermal sensitive component sensitive to the temperature of said device, and including said thermal sensitive component in said feedback path of said electronic converter, whereby said output signal of said electronic converter is reduced as a function of the temperature of said device as sensed by said thermal sensitive component.

摘要翻译： 防止与包括用于调节所述电子转换器的输出信号的反馈路径的电子转换器相关联的装置的过温保护的方法可以包括提供对所述装置的温度敏感的热敏部件，并且包括所述热敏部件 所述电子转换器的所述反馈路径，由此所述电子转换器的所述输出信号作为由所述热敏元件感测的所述装置的温度的函数而减小。

公开(公告)号：US08415894B2

公开(公告)日：2013-04-09

申请号：US12809075

申请日：2007-12-20

申请人： Paolo De Anna ,  Michele Menegazzi ,  Oskar Schallmoser ,  Nicola Zanforlin

发明人： Paolo De Anna ,  Michele Menegazzi ,  Oskar Schallmoser ,  Nicola Zanforlin

IPC分类号： H05B41/16

CPC分类号： H05B37/0263 ,  H05B33/0818 ,  H05B33/0845

摘要： A drive arrangement for light sources may include: a connection line to feed a light source, a switch element coupled to said line to apply on/off signals to said line, and a controller to control operation of said switch, said controller being sensitive to at least one of a dimming signal representative of a desired dimming level for said light source and an information-carrying digital signal, wherein said controller is configured to control operation of said switch to: a) PWM modulate an on/off signal applied to said line as a function of said dimming signal, whereby the average current conveyed towards said light source and determined by said PWM modulated on/off signal controls the brightness of said light source, b) transmit said information-carrying digital signal as an on/off information signal applied to said line, whereby the information carried by said information-carrying digital signal is transmitted over said line.

摘要翻译： 用于光源的驱动装置可以包括：用于馈送光源的连接线，耦合到所述线的开关元件以对所述线施加开/关信号，以及控制器来控制所述开关的操作，所述控制器敏感地 代表所述光源的期望调光电平的调光信号和信息携带数字信号中的至少一个，其中所述控制器被配置为控制所述开关的操作，以：a）PWM调制施加到所述光源的开/关信号 作为所述调光信号的函数，由此朝向所述光源传送并由所述PWM调制的开/关信号确定的平均电流控制所述光源的亮度，b）将所述信息携带数字信号作为开/关 信息信号，由此由所述信息携带数字信号承载的信息通过所述线路发送。

公开(公告)号：US20130015777A1

公开(公告)日：2013-01-17

申请号：US13548257

申请日：2012-07-13

申请人： Paolo De Anna ,  Ilan D'Incà

发明人： Paolo De Anna ,  Ilan D'Incà

IPC分类号： H05B37/00

CPC分类号： H05B37/02 ,  H02M3/335 ,  H05B33/0815 ,  H05B33/0884 ,  H05B41/28 ,  H05B41/2853 ,  H05B41/2923 ,  H05B41/2983

摘要： In various embodiments, a method for powering light sources from a input power supply through a converter circuit is provided including a primary side and a secondary side separated by a galvanic barrier, wherein the primary side includes a power factor control block with an output capacitor. The method may include providing save circuitry on said secondary side for saving operational data of the converter upon failure of said input power supply; and powering said save circuitry during saving said operational data with energy derived from said output capacitor of said power factor control block.

摘要翻译： 在各种实施例中，提供了一种用于通过转换器电路从输入电源供电光源的方法，包括由电隔离层隔开的初级侧和次级侧，其中初级侧包括具有输出电容器的功率因数控制块。 该方法可以包括在所述次级侧提供保存电路，以便在所述输入电源故障时保存转换器的操作数据; 以及在利用从所述功率因数控制块的所述输出电容器获得的能量来保存所述操作数据期间为所述保存电路供电。