公开(公告)号：US09913346B1

公开(公告)日：2018-03-06

申请号：US15234006

申请日：2016-08-11

Applicant: Universal Lighting Technologies, Inc.

Inventor： Wei Xiong ,  Scott Price

IPC: H05B33/08 ,  H05B41/282 ,  H05B37/03 ,  H05B41/285

CPC classification number: H05B33/0887 ,  H05B37/03 ,  H05B41/2828 ,  H05B41/2851

Abstract: A protection system for an LED driver includes a voltage rail, an input voltage source, and a surge protector connected between the input voltage source and the voltage rail. The voltage change sensing block detects a change in a voltage associated with the input voltage source. The protection system further includes a voltage sensing block connected to the voltage change sensor. A half-bridge switching circuit may include a switch controller, a first switching element, and a second switching element. The switch controller controls an operating state of each of the first switching element and the second switching element. A reset block disables at least one of the switch controller, the first sensing element, and the second switching element, responsive to a control signal associated with at least one of the voltage change sensing block and the voltage sensing block.

公开(公告)号：US09660436B2

公开(公告)日：2017-05-23

申请号：US14377504

申请日：2013-07-01

Applicant: OSRAM SYLVANIA Inc.

Inventor： Christian Breuer ,  Keng Chen

IPC: H02H3/20 ,  G01R21/00 ,  H05B41/285 ,  G01R31/28 ,  H05B37/02 ,  G01R31/40

CPC classification number: H02H3/20 ,  G01R21/00 ,  G01R31/2853 ,  G01R31/40 ,  H05B37/0209 ,  H05B41/2851 ,  Y10T307/438

Abstract: Systems and methods for detection of interconnected outputs of a power supply are provided. A first channel of a power supply is activated, such that power is supplied to a first load connected to the first channel. A first load voltage is measured for the first load. A second load voltage is measured for a second load connected to a second channel of the power supply. The second load voltage is compared to the first load voltage to generate an interconnection result. The power supply is shut down when the interconnection result indicates that the second load voltage matches the first load voltage, such that all channels of the power supply do not supply power to any load connected thereto.

公开(公告)号：US09642229B2

公开(公告)日：2017-05-02

申请号：US14257427

申请日：2014-04-21

Applicant: Seiko Epson Corporation

Inventor： Junichi Suzuki ,  Satoshi Kito

IPC: H05B37/02 ,  H05B41/36 ,  H05B41/285 ,  G03B21/20

CPC classification number: H05B41/36 ,  G03B21/2026 ,  G03B21/206 ,  H05B41/2858

Abstract: In at least one embodiment, a light source apparatus includes a discharge lamp with a pair of electrodes and a driving unit that supplies a driving current to the pair of electrodes. The driving unit includes an AC supplier that supplies an alternating current to the pair of electrodes and a DC supplier that supplies a direct current to the pair of electrodes. The AC supplier is configured to alternately repeat an AC supply section in which the alternating current is supplied and an AC stop section in which the supply of the alternating current is stopped. The DC supplier is configured to supply the direct current during a period corresponding to the AC stop section. A frequency of the direct current is not lower than 10 Hz and not higher than 1 kHz.

公开(公告)号：US09553482B2

公开(公告)日：2017-01-24

申请号：US14376207

申请日：2013-02-01

Applicant: TRIDONIC UK LTD

Inventor： Ian Wilson

IPC: H05B37/02 ,  H02J9/02 ,  H05B41/285 ,  H05B41/292

CPC classification number: H02J9/02 ,  H05B37/0254 ,  H05B37/0263 ,  H05B41/2853 ,  H05B41/2923 ,  Y10T307/625

Abstract: Lighting power supply system (1) including a mains input converter (11) operable to provide power, a controller (17) operable to control at least one element of the lighting system, a controller bus (26) and a controller interface (25) operable to provide control signals from the bus to the lighting system. An auxiliary converter (43) powers the lighting system from the bus and it may allow the controller to continue to be powered when the mains input is absent and an emergency battery (19) is depleted.

Abstract translation: 照明电源系统（1）包括可操作以提供电力的电源输入转换器（11），可操作以控制所述照明系统的至少一个元件的控制器（17），控制器总线（26）和控制器接口（25） 可操作地提供从总线到照明系统的控制信号。 辅助转换器（43）从总线为照明系统供电，并且当电力输入不存在并且紧急电池（19）耗尽时，它可以允许控制器继续供电。

公开(公告)号：US09468075B1

公开(公告)日：2016-10-11

申请号：US14851014

申请日：2015-09-11

Applicant: Wipro Limited

Inventor： Thomas Chittakattu Ninan ,  Vijay Kumar

IPC: H05B41/285 ,  H05B37/03 ,  F21S9/02 ,  H05B37/02 ,  H02J9/06

CPC classification number: H05B37/0227 ,  H02J9/061 ,  H05B37/0263 ,  H05B37/03 ,  Y02B20/48

Abstract: A method to provide emergency lighting, the method comprising: detecting absence of current in the emergency lighting system; determining state of a main power switch connecting the emergency lighting system with a main power supply; and switching to backup power to provide emergency lighting based on the determination of the state of the main power switch. A system, the system comprising: a signal generator to generate a control signal; a switching unit to connect and disconnect a light emitting element; a control signal sensor to detect the control signal in the emergency lighting system; and a switching controller linked to the switching unit to: detect absence of current in the emergency lighting system; determine state of a main power switch not tied to the emergency lighting system; and switch to backup-up power to provide the emergency lighting based on the determination of the state of the main power switch.

Abstract translation: 一种提供应急照明的方法，该方法包括：检测应急照明系统中的电流不存在; 确定将应急照明系统与主电源连接的主电源开关的状态; 并根据确定主电源开关的状态切换到备用电源以提供应急照明。 一种系统，所述系统包括：信号发生器，用于产生控制信号; 用于连接和断开发光元件的切换单元; 用于检测应急照明系统中的控制信号的控制信号传感器; 以及切换控制器，其连接到所述切换单元以检测所述应急照明系统中的电流不存在; 确定不连接到应急照明系统的主电源开关的状态; 并切换到备用电源，根据主电源开关状态的确定提供应急照明。

公开(公告)号：US20160286635A1

公开(公告)日：2016-09-29

申请号：US14545066

申请日：2015-03-23

Applicant: Guy J. Lestician

Inventor： Guy J. Lestician

IPC: H05B41/285 ,  H05B33/08 ,  H05B37/02 ,  H05B41/282

CPC classification number: H05B41/2858 ,  H05B33/0809 ,  H05B33/0827 ,  H05B33/0887 ,  H05B37/0272 ,  H05B37/0281 ,  H05B41/2822 ,  H05B41/2824 ,  H05B41/2827 ,  Y02B20/42

Abstract: An electronic lighting system with a driver includes transformers that are dedicated to particular lamp receptacles that include interloper diode and resistor sets that fine tune the functioning of the driver. A buck converter and power factor correction, and a zeta scan are included. A comparator circuitry receives an external control signal and compares it to feedback from the output side of the circuitry, and thereby controls a Pulse Width Modulation (PWM) circuitry, which cooperates with feedback-based MOSFETs and a MOSFET gate driver circuit. This aids in dimming capabilities, recognizes and corrects for outages and recognizes and corrects for changes in the different size lamps that a user may install.

Abstract translation: 具有驱动器的电子照明系统包括专用于特定灯插座的变压器，其包括微调驱动器功能的中间二极管和电阻器组。 包括降压转换器和功率因数校正以及ζ扫描。 比较器电路接收外部控制信号并将其与来自电路的输出端的反馈进行比较，从而控制脉冲宽度调制（PWM）电路，其与基于反馈的MOSFET和MOSFET栅极驱动器电路配合。 这有助于调光功能，识别和更正中断，并识别和更正用户可能安装的不同尺寸的灯具的更改。

公开(公告)号：US20150305128A1

公开(公告)日：2015-10-22

申请号：US14254312

申请日：2014-04-16

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Hongbin Wei ,  Youmin Zhang

IPC: H05B41/285 ,  H05B41/282

CPC classification number: H05B41/2856

Abstract: Provided is a method to detect an arcing condition in an arc discharge lamp ballasts is disclosed. An AC current signal flows from the lamp load to ground via at least one ring core. The ring core is provided for detecting an arcing condition in AC current signal and the ballast circuit by detecting a current spike along the ring core. When there is a current spike in the primary core, created by the arcing condition, a proportional increase in voltage within a control signal occurs on the secondary core. A rectifier circuit is used for conditioning the increase in voltage within the control signal. A control circuit, responsive to the increase in voltage within the control signal, dynamically adjusts the operating frequency of a resonant inverter so that the arcing condition is extinguished.

Abstract translation: 提供了一种在电弧放电灯镇流器中检测电弧状态的方法。 AC电流信号通过至少一个环形芯从灯负载流向地。 环芯被提供用于通过检测沿着环形芯的电流尖峰来检测交流电流信号中的电弧状态和镇流器电路。 当通过电弧条件产生的主芯中存在电流尖峰时，在次级芯上发生控制信号内的电压成比例的增加。 整流电路用于调节控制信号内电压的增加。 响应于控制信号内的电压的增加的控制电路动态地调节谐振逆变器的工作频率，使得电弧状态熄灭。

公开(公告)号：US08970220B2

公开(公告)日：2015-03-03

申请号：US13179276

申请日：2011-07-08

Applicant: Jonathan P. Morrow ,  Evans H. Nguyen ,  Hu Zenghong ,  Lin Jianqin

Inventor： Jonathan P. Morrow ,  Evans H. Nguyen ,  Hu Zenghong ,  Lin Jianqin

IPC: G01R31/44 ,  G01R31/24 ,  H05B37/03 ,  H05B41/285

CPC classification number: G01R31/24 ,  G01R31/44 ,  H05B37/03 ,  H05B41/2851

Abstract: A combination lighting tester tool. The combination lighting tester tool includes at least three independent testing tools for identifying and diagnosing a problem in a lighting system. For example, the tester includes a lamp testing function in which a high voltage test signal is generated and transmitted using an antenna. When the test signal is in proximity to a gas filled lamp, the voltage is of sufficient magnitude to ionize the gas inside the lamp, causing the lamp to illuminate. The tester also includes a ballast testing function in which the power lines or wires connecting a ballast to a lamp or lighting fixture are tested, and a filament tester for testing the filaments in a lamp for continuity or resistance. The tester also includes a worklight for illuminating an area under test and one or more display devices (e.g., LEDs, an LCD display, or the like) which provide an indication of, for example, a test being performed or a result of a test.

Abstract translation: 组合照明测试仪工具。 组合照明测试仪工具包括至少三个用于识别和诊断照明系统中的问题的独立测试工具。 例如，测试器包括灯测试功能，其中使用天线产生和发送高电压测试信号。 当测试信号接近充满气体的灯时，电压足够大以使灯内的气体电离，导致灯点亮。 测试仪还包括镇流器测试功能，其中测试将镇流器连接到灯或照明器材的电源线或电线，以及用于测试灯中的灯丝以进行连续性或电阻的灯丝测试器。 测试器还包括用于照亮被测区域的工作灯和提供例如正在执行的测试或测试结果的指示的一个或多个显示设备（例如，LED，LCD显示器等） 。

公开(公告)号：US08866405B2

公开(公告)日：2014-10-21

申请号：US13593547

申请日：2012-08-24

Applicant: Yoshihisa Umezawa ,  Kensuke Kaneko ,  Tomokazu Osato

Inventor： Yoshihisa Umezawa ,  Kensuke Kaneko ,  Tomokazu Osato

IPC: H05B37/02 ,  H05B41/285

CPC classification number: H05B41/2858

Abstract: A lighting device has a direct-current power generation circuit, a rectangular-wave generation circuit, a pulse generating circuit, lamp-voltage detection means, and pulse-generation command means. The direct-current power generation circuit generates direct-current power from external power. The rectangular-wave generation circuit converts the direct-current power to rectangular-wave alternating-current power. The pulse generating circuit superposes high-voltage pulses on the rectangular-wave power output from the rectangular-wave generation circuit and starts a discharge lamp. The lamp-voltage detection means detects, in digital form, a lamp voltage supplied to the discharge lamp. The pulse-generation command means issues a pulse generation command to the pulse generating circuit when the value detected by the lamp-voltage detection means reaches a predetermined no-load-voltage determination level.

Abstract translation: 照明装置具有直流发电电路，矩形波发生电路，脉冲发生电路，灯电压检测装置和脉冲发生指令装置。 直流发电电路从外部电力产生直流电力。 矩形波生成电路将直流电力转换为矩形波交流电力。 脉冲发生电路在矩形波发生电路输出的矩形波功率上叠加高电压脉冲，并启动放电灯。 灯电压检测装置以数字形式检测提供给放电灯的灯电压。 当由灯电压检测装置检测到的值达到预定的空载电压确定水平时，脉冲发生指令装置向脉冲发生电路发出脉冲产生命令。

公开(公告)号：US20120200233A1

公开(公告)日：2012-08-09

申请号：US13310405

申请日：2011-12-02

Applicant: Manfred PAURITSCH ,  Peter TRATTLER

Inventor： Manfred PAURITSCH ,  Peter TRATTLER

IPC: H05B41/285 ,  H02M7/537

CPC classification number: H05B41/2827 ,  H01L41/044

Abstract: The invention relates to a circuit arrangement (20) for a piezo transformer (22) comprising a driver circuit (23), to which the piezo transformer (22) can be connected, and a current sensor (21) for the determining an incoming power signal (IM), which is subject to an incoming current (IE) flowing through the piezo transformer (22). The invention further relates to the circuit arrangement (20) of a control unit (24) for providing a control signal (ST), which is subject the incoming power signal (IM); and an oscillator (25) having an oscillator output (43) for emitting an oscillator signal (SO) to a driver signal input (44) of the driver circuit (23) subject to the control signal (ST).

Abstract translation: 本发明涉及一种用于压电变压器（22）的电路装置（20），该电路装置包括可连接压电变压器（22）的驱动电路（23）和用于确定输入功率的电流传感器（21） 信号（IM），其经受流过压电变压器（22）的入射电流（IE）。 本发明还涉及一种用于提供控制信号（ST）的控制单元（24）的电路装置（20），该控制信号（ST）经受输入功率信号（IM）; 以及振荡器（25），其具有用于根据控制信号（ST）向驱动器电路（23）的驱动器信号输入（44）发射振荡器信号（SO）的振荡器输出（43）。