公开(公告)号：US06411045B1

公开(公告)日：2002-06-25

申请号：US09736994

申请日：2000-12-14

申请人： Louis R. Nerone

发明人： Louis R. Nerone

IPC分类号： H05B3700

CPC分类号： H05B33/0818 ,  H02M7/538 ,  H02M2007/4815 ,  Y02B70/1441

摘要： A space efficient circuit arrangement for supplying power to an LED array, the power supply circuit (100) has a rectifier (105), a starting circuit coupled to the rectifier (105), a gate drive arrangement coupled to the starting circuit, and a resonant converter circuit (120, 125) coupled between the rectifier (105) and a resonant load circuit (135). The resonant load circuit includes a resonant inductance (150), a resonant capacitance (155) coupled to the resonant inductance (150), and a load connected in parallel to the resonant capacitance (155). A plurality of light emitting elements (170, 175) and a capacitor (160) define at least a portion of the load. All of the circuit components may be placed on the same circuit board as the light emitting elements (170, 175), thereby taking up less space in a traffic signal housing and making retrofitting a traditional incandescent lamp traffic signal easier.

摘要翻译： 一种用于向LED阵列供电的空间高效电路装置，所述电源电路（100）具有整流器（105），耦合到所述整流器（105）的启动电路，耦合到所述启动电路的栅极驱动装置，以及 谐振转换器电路（120,125），其耦合在整流器（105）和谐振负载电路（135）之间。 谐振负载电路包括谐振电感（150），耦合到谐振电感（150）的谐振电容（155）和与谐振电容（155）并联连接的负载。 多个发光元件（170,175）和电容器（160）限定了负载的至少一部分。 所有电路部件可以放置在与发光元件（170,175）相同的电路板上，从而在交通信号外壳中占据较少的空间，并且更容易地改造传统的白炽灯交通信号灯。

公开(公告)号：US6144173A

公开(公告)日：2000-11-07

申请号：US437546

申请日：1999-11-10

申请人： Louis R. Nerone

发明人： Louis R. Nerone

IPC分类号： H05B41/24 ,  H02M7/537 ,  H05B41/282 ,  H05B37/02

CPC分类号： H05B41/2821 ,  Y02B20/185

摘要： A lighting circuit (A) includes an input (10), which supplies a single switch ballast (12), which in turn powers a lamp (14). Ballast (12) is in a self-starting, self-oscillating class E converter configuration, which allows for adjustment of the switching duty ratio. Self-oscillation occurs due to the use of regenerative feedback path consisting of a first winding (36), feedback inductor (40), and charging capacitor 42. Increasing output to MOSFET switch (34) occurs once MOSFET switch (34) has been biased to an on state through inputs from input circuit (12), which have been supplied from current source (32). Adjustment of the switching ratio for MOSFET switch (34) is accomplished by selection of appropriate values for zener diodes (48, 50), wherein the voltage breakdown of the zener diode 50 is greater than zener diode 48 reduce the duty ratio to less than 50%, thereby reducing the voltage rating of the switch. Control of the switching ratio allows for switches with lower voltage ratings when driving lamp (14) in this single switching configuration.

摘要翻译： 照明电路（A）包括输入（10），其供应单个开关镇流器（12），所述单个开关镇流器又对灯（14）供电。 镇流器（12）处于自启动，自振荡E类转换器配置，允许调节开关占空比。 由于使用由第一绕组（36），反馈电感器（40）和充电电容器42组成的再生反馈路径，发生自振荡。一旦MOSFET开关（34）被偏置，就产生MOSFET开关（34）的输出。 通过从电流源（32）提供的来自输入电路（12）的输入而导通到导通状态。 通过为齐纳二极管（48,50）选择合适的值来实现MOSFET开关（34）的开关比的调节，其中齐纳二极管50的电压击穿大于齐纳二极管48，将占空比降低到小于50 ％，从而降低开关的额定电压。 在这种单一开关配置中驱动灯（14）时，开关比的控制允许具有较低额定电压的开关。

公开(公告)号：US5965985A

公开(公告)日：1999-10-12

申请号：US52504

申请日：1998-03-31

申请人： Louis R. Nerone

发明人： Louis R. Nerone

IPC分类号： H05B41/282 ,  H05B41/285 ,  H05B41/392 ,  H05B37/02

CPC分类号： H05B41/2825 ,  H05B41/2856 ,  H05B41/3921

摘要： A dimmable ballast circuit for a gas discharge lamp comprises a resonant load circuit with a resonant inductance, a resonant capacitance and circuitry for connecting to a gas discharge lamp. A d.c.-to-a.c. converter circuit is coupled to the resonant load circuit for inducing a.c. current therein, and comprises a pair of switches serially connected between a bus conductor at a d.c. voltage and a reference conductor. The voltage between a reference node and a control node of each switch determines the conduction state of the associated switch. The respective reference nodes of the switches are interconnected at a common node through which the a.c. current flows, and the respective control nodes of the switches are substantially directly interconnected. A gate drive arrangement for regeneratively controlling the switches comprises a driving inductor connected between the common node and the control nodes and mutually coupled to the resonant inductor for sensing current therein. A second inductor is serially connected to the driving inductor, and together with the driving inductor is connected between the common node and the control nodes. A clamping circuit limits the voltage across the second inductor to achieve desired lamp output, and includes a control winding mutually coupled to the second inductor. A control circuit controls voltage across the control winding in response to an error signal representing difference between a user-selectable set point signal and a feedback signal representing a time-averaged value of a lamp operating parameter.

摘要翻译： 用于气体放电灯的可调光镇流器电路包括具有谐振电感的谐振负载电路，用于连接到气体放电灯的谐振电容和电路。 一个d.c.到a.c。 转换器电路耦合到谐振负载电路，用于诱发交流电。 电流，并且包括串联连接在总线导体之间的一对开关。 电压和参考导体。 每个开关的参考节点和控制节点之间的电压决定了相关开关的导通状态。 交换机的各个参考节点在公共节点处互连，通过该节点，交换机 电流流动，并且开关的相应控制节点基本上直接相互连接。 用于再生控制开关的栅极驱动装置包括连接在公共节点和控制节点之间的驱动电感器，并且相互耦合到谐振电感器以感测其中的电流。 第二电感器串联连接到驱动电感器，并且与驱动电感器一起连接在公共节点和控制节点之间。 钳位电路限制第二电感器两端的电压以实现期望的灯输出，并且包括相互耦合到第二电感器的控制绕组。 控制电路响应于表示用户可选设定点信号和表示灯操作参数的时间平均值的反馈信号之间的差异的误差信号来控制控制绕组两端的电压。

公开(公告)号：US5406177A

公开(公告)日：1995-04-11

申请号：US228850

申请日：1994-04-18

申请人： Louis R. Nerone

发明人： Louis R. Nerone

IPC分类号： H05B41/24 ,  G05F1/30 ,  H02M7/5383 ,  H05B41/28 ,  H05B41/282 ,  G05F1/00

CPC分类号： G05F1/30 ,  H02M7/53832 ,  H05B41/2806 ,  H05B41/2825 ,  H05B41/2827 ,  Y02B20/22 ,  Y02B70/1441 ,  Y10S315/05 ,  Y10S315/07

摘要： In accordance with the invention, there is provided a ballast circuit for a gas discharge lamp. The circuit comprises means for providing a d.c. bus voltage on a bus conductor with respect to ground. The circuit includes a resonant load circuit incorporating a gas discharge lamp and including first and second resonant impedances whose values determine the operating frequency of the resonant load circuit. Further included is a converter circuit coupled to the resonant load circuit so as to impress a bidirectional voltage thereacross and thereby induce a bidirectional current in the resonant load circuit. The converter comprises first and second switches serially connected between the bus conductor and ground, and having a common node coupled to a first end of the resonant load circuit and through which the bidirectional load current flows. A current-sensing winding senses at least a portion of the current flowing in the resonant load circuit. A feedback arrangement generates a feedback signal in response to current flowing in the current-sensing winding, and regeneratively controls the first and second switches in response to the feedback signal. A starting circuit superimposes a starting current pulse through the current-sensing winding, so as to achieve the regenerative control of the first and second switches.

摘要翻译： 根据本发明，提供了一种用于气体放电灯的镇流器电路。 该电路包括用于提供直流电压的装置。 总线电压相对于地面的总线电压。 电路包括一个并入气体放电灯的谐振负载电路，并包括第一和第二谐振阻抗，其值确定谐振负载电路的工作频率。 进一步包括耦合到谐振负载电路的转换器电路，以便在其上施加双向电压，从而在谐振负载电路中引起双向电流。 该转换器包括串联连接在总线导体和地之间的第一和第二开关，并且具有耦合到谐振负载电路的第一端并且双向负载电流通过该共同节点的公共节点。 电流感测绕组感测在谐振负载电路中流动的电流的至少一部分。 反馈装置响应于在电流感测绕组中流动的电流产生反馈信号，并且响应于反馈信号再生地控制第一和第二开关。 启动电路通过电流感应绕组叠加起动电流脉冲，以实现第一和第二开关的再生控制。

公开(公告)号：US5270620A

公开(公告)日：1993-12-14

申请号：US719695

申请日：1991-06-25

申请人： John G. Basch ,  Louis R. Nerone

发明人： John G. Basch ,  Louis R. Nerone

IPC分类号： H05B41/292 ,  H05B41/36

CPC分类号： H05B41/2928 ,  Y10S315/05

摘要： A method and a ballast circuit are disclosed for operating a metal halide lamp particularly suited for horizontal applications that provides signals capable of being varied so as to control the power applied to the metal halide lamp while still providing a uniform arc. The ballast circuit has a filter which passes a selected band of frequencies for the operating signals of the metal halide lamp.

摘要翻译： 公开了一种用于操作特别适用于水平应用的金属卤化物灯的方法和镇流器电路，其提供能够变化的信号，以便控制施加到金属卤化物灯的功率同时仍然提供均匀的电弧。 镇流器电路具有通过金属卤化物灯的操作信号的选定频带的滤波器。

公开(公告)号：US4928038A

公开(公告)日：1990-05-22

申请号：US248882

申请日：1988-09-26

申请人： Louis R. Nerone

发明人： Louis R. Nerone

IPC分类号： H05B41/282 ,  H02M3/155 ,  H05B41/288 ,  H05B41/392

CPC分类号： H05B41/2883 ,  H05B41/2882 ,  H05B41/3925 ,  Y10S315/04 ,  Y10S315/07

摘要： Circuits, and methods of using the same, are disclosed for controlling the power supplied to a discharge lamp of the type having a closed inductive loop, such as the resonant ballast circuit for a fluorescent lamp or the inductive ballast loop of a high pressure sodium lamp, wherein the closed inductive loop is operated by an electrical power supply having a d-c input stage and an output power controlled by the switching frequency of a switch means within the power supply itself whereby current flows to the closed inductive loop when the switch means is conductive and no current flows from the power supply to the closed loop when the switch means is non-conductive. This power control circuit comprises means for sensing the instantaneous current flowing through the switch means itself, means controlled by this instantaneous current for creating a first signal with a value that is proportional to the actual power being supplied by the power supply to the closed loop, means for creating a second signal with a value proportional to the desired set point power for the lamp, means for creating an error signal having a value indicative of the difference between the first and second signals, and means for adjusting the switching frequency of the switch means in accordance with the value of the error signal, whereby the output power of the power supply is continuously adjusted toward the set point power for controlling the power actually supplied to the lamp circuit irrespective of the parameters of the lamp circuit itself. The disclosed circuits provide for constant power to a high pressure discharge lamp to yield a constant color temperature. Further, the disclosed circuits provide for dimming of the discharge lamp to selective power levels.

公开(公告)号：US4587604A

公开(公告)日：1986-05-06

申请号：US698924

申请日：1985-02-06

申请人： Louis R. Nerone

发明人： Louis R. Nerone

IPC分类号： H02M3/337 ,  H02M3/335

CPC分类号： H02M3/3376 ,  Y02B70/1433 ,  Y10T307/707 ,  Y10T307/735

摘要： A power supply is provided for supplying regulated power to an output from an unregulated DC voltage source. The supply includes low and high power series resonant converters, each including a pair of power switches which are alternately turned on and off for completing a series resonant circuit with the source and with a primary winding of a transformer coupled to the output. A switch control responds to loading of the output and drives the switches on and off at an operating frequency that varies with the loading. A converter control monitors the operating frequency and controls operation of the converters such that one or both converters operate in dependence upon loading to avoid operation within a particular frequency range.

摘要翻译： 提供电源，用于向未调节的DC电压源的输出提供稳定的电力。 该电源包括低功率和高功率串联谐振转换器，每个包括一对电源开关，其交替地导通和截止以完成与源极串联谐振电路以及耦合到输出的变压器的初级绕组。 开关控制器响应输出的负载并以随负载变化的工作频率来驱动开关的开关。 A转换器控制器监视工作频率并控制转换器的操作，使得一个或两个转换器根据负载工作以避免在特定频率范围内的操作。

公开(公告)号：US08212498B2

公开(公告)日：2012-07-03

申请号：US12486086

申请日：2009-06-17

申请人： Louis R. Nerone

发明人： Louis R. Nerone

IPC分类号： G05F1/00 ,  H05B37/02 ,  H05B39/04 ,  H05B41/36

CPC分类号： H05B41/2985 ,  H05B41/3925

摘要： A dimmable ballast and methods are presented in which the operating frequency of a self-oscillating inverter is controlled according to a sensed lamp current for dimming control or cathode heating, and an AC bus voltage of the inverter is controlled to be at or below a voltage threshold value to prevent over driving operating lamps when one or more lamps are being replaced.

摘要翻译： 提出了一种可调光镇流器和方法，其中根据用于调光控制或阴极加热的感测灯电流来控制自振荡逆变器的工作频率，并且将逆变器的AC母线电压控制在等于或低于电压 阈值以防止在更换一个或多个灯时过度驱动工作灯。

公开(公告)号：US07839094B2

公开(公告)日：2010-11-23

申请号：US12114332

申请日：2008-05-02

申请人： Louis R. Nerone

发明人： Louis R. Nerone

IPC分类号： H05B37/02

CPC分类号： H05B41/2827 ,  H05B41/295

摘要： A lighting ballast (10) includes an inverter portion (12) and a resonant portion (14). During a preheat phase, a filament transformer (110) supplies preheat glow currents to lamp cathodes. Also during the preheat phase, the filament transformer boosts the oscillation frequency of the inverter portion (12) to a frequency above a resonant frequency of the resonant portion (14). Once the lamp cathodes are sufficiently heated, the filament transformer (110) is removed from the circuit and the inverter (12) is allowed to start oscillating. A feedback network (150) monitors a high frequency bus (26) and provides input to a shunt regulator (170). The shunt regulator drives the gate of a switch (128) of a bias network (126) and adds or removes the filament transformer (110) to the circuit depending on the conductive state of the switch (128).

摘要翻译： 照明镇流器（10）包括逆变器部分（12）和谐振部分（14）。 在预热阶段期间，灯丝变压器（110）向灯阴极提供预热辉光电流。 此外，在预热阶段期间，灯丝变压器将逆变器部分（12）的振荡频率升高到高于谐振部分（14）的谐振频率的频率。 一旦灯阴极被充分加热，则灯丝变压器（110）从电路中移除，逆变器（12）被允许开始振荡。 反馈网络（150）监视高频总线（26）并向并联调节器（170）提供输入。 分流调节器驱动偏压网络（126）的开关（128）的栅极，并根据开关（128）的导电状态将灯丝变压器（110）添加或去除到电路。

公开(公告)号：US20090224691A1

公开(公告)日：2009-09-10

申请号：US12044129

申请日：2008-03-07

申请人： Louis R. Nerone ,  Laszlo S. IIyes

发明人： Louis R. Nerone ,  Laszlo S. IIyes

IPC分类号： H05B37/02

CPC分类号： H05B41/39

摘要： The present application discloses a method and apparatus for providing an isolated set point from an input signal. The set point can control the amount of power applied to a lamp via a lamp ballast. An AC output signal from the ballast powers a dimming circuit. The AC signal is coupled across an isolation transformer and subsequently converted into a DC signal. This DC signal is loaded by a variable resistor, which creates a voltage differential across the resistor. This voltage differential is then seen across DC input terminals of the ballast, and it is across the DC input terminals that the set point is created. By varying the value of the resistor, the ballast set point is varied ultimately changing the power that is applied to the lamp by the ballast.

摘要翻译： 本申请公开了一种从输入信号提供隔离设定点的方法和装置。 设定点可以通过灯泡镇流器控制施加到灯的功率。 镇流器的交流输出信号为调光电路供电。 交流信号跨隔离变压器耦合，随后转换为直流信号。 该直流信号由可变电阻器加载，从而在电阻器两端产生电压差。 然后在镇流器的直流输入端子上看到该电压差，并且跨越直流输入端子创建设定点。 通过改变电阻器的值，​​镇流器设定点的变化最终改变通过镇流器施加到灯的功率。