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    • 3. 发明授权
    • System and method for regulating an open circuit voltage of an HID lamp ballast
    • 用于调节HID灯镇流器的开路电压的系统和方法
    • US08638042B1
    • 2014-01-28
    • US12979929
    • 2010-12-28
    • Yiyoung Tony SunKenichi Fukuda
    • Yiyoung Tony SunKenichi Fukuda
    • G05F1/00
    • H05B41/2883Y02B20/204
    • A lamp ballast is provided for igniting and operating an HID lamp. A buck inverter circuit includes a pair of high-frequency and a pair of low-frequency switches. A capacitor and an inductor are series-connected between a first node between the low frequency switches and a second node between the high frequency switches. A lamp igniting circuit is coupled between the first node and a first lamp output terminal, and a second lamp output terminal is coupled to a third node between the capacitor and the inductor. A control circuit turns on and off the switches to regulate low frequency square wave voltage generated across the lamp output terminals to be less than an input DC voltage from the positive rail, wherein the buck inverter operates in either of a critical discontinuous mode or a discontinuous mode during an open circuit operation, and in a critical discontinuous mode during other operations.
    • 提供灯泡镇流器用于点亮和操作HID灯。 降压逆变器电路包括一对高频和一对低频开关。 电容器和电感器串联连接在低频开关之间的第一节点和高频开关之间的第二节点之间。 灯点燃电路耦合在第一节点和第一灯输出端之间,第二灯输出端耦合到电容器和电感器之间的第三节点。 控制电路接通和断开开关,以调节灯输出端子两端产生的低频方波电压小于正轨的输入直流电压,其中降压逆变器工作在临界不连续模式或不连续模式 在开路操作期间,在其他操作期间处于关键不连续模式。
    • 4. 发明申请
    • Discharge lamp lighting device and illiminator
    • 放电灯照明装置和照明器
    • US20060164842A1
    • 2006-07-27
    • US10562217
    • 2004-01-14
    • Takeshi GorikiAkihiro KishimotoKenichi Fukuda
    • Takeshi GorikiAkihiro KishimotoKenichi Fukuda
    • F21V15/00
    • H05K5/0013H05B41/02H05K5/0247
    • In a discharge lamp lighting apparatus for lighting a lighting system using a discharge lamp, a housing used for containing a printed circuit board on which a discharge lamp lighting circuit is mounted is formed by resin molding. In order to put out wires connected to the printed circuit board from an inside to outside of the housing, protruding portions are protruded outward from upper end portions of a front face and a rear face of side walls of a base member which constitute the housing, and wire putting grooves are formed on upper faces of the protruding portions. Furthermore, reinforcing ribs are provided for coupling the protruding portions and portions of the side walls except the protruding portions so as to reinforce mechanical strength of the protruding portions by the reinforcing ribs.
    • 在使用放电灯照明的照明系统的放电灯点灯装置中,通过树脂成型形成用于容纳安装有放电灯点亮电路的印刷电路板的壳体。 为了从壳体的内部向外部排出与印刷电路板连接的电线,突起部从构成壳体的基座的侧壁的前端面和背面的上端部突出, 并且在所述突出部的上表面上形成放线槽。 此外,提供加强肋用于联接突出部分和除了突出部分之外的侧壁的部分,以通过加强肋来增强突出部分的机械强度。
    • 5. 发明授权
    • Discharge lamp lighting device and illuminator
    • 放电灯照明装置和照明器
    • US07416314B2
    • 2008-08-26
    • US10562217
    • 2004-01-14
    • Takeshi GorikiAkihiro KishimotoKenichi Fukuda
    • Takeshi GorikiAkihiro KishimotoKenichi Fukuda
    • F21V23/02
    • H05K5/0013H05B41/02H05K5/0247
    • In a discharge lamp lighting apparatus for lighting a lighting system using a discharge lamp, a housing used for containing a printed circuit board on which a discharge lamp lighting circuit is mounted is formed by resin molding. In order to put out wires connected to the printed circuit board from an inside to outside of the housing, protruding portions are protruded outward from upper end portions of a front face and a rear face of side walls of a base member which constitute the housing, and wire putting grooves are formed on upper faces of the protruding portions. Furthermore, reinforcing ribs are provided for coupling the protruding portions and portions of the side walls except the protruding portions so as to reinforce mechanical strength of the protruding portions by the reinforcing ribs.
    • 在使用放电灯照明的照明系统的放电灯点灯装置中,通过树脂成型形成用于容纳安装有放电灯点亮电路的印刷电路板的壳体。 为了从壳体的内部向外部排出与印刷电路板连接的电线,突起部从构成壳体的基座的侧壁的前端面和背面的上端部突出, 并且在所述突出部的上表面上形成放线槽。 此外,提供加强肋用于联接突出部分和除了突出部分之外的侧壁的部分,以通过加强肋来增强突出部分的机械强度。
    • 6. 发明申请
    • Discharge Lamp Lighting Device, and Lighting Equipment and Lighting System Using the Device
    • 放电灯照明装置,照明设备及照明系统
    • US20080030143A1
    • 2008-02-07
    • US11577891
    • 2005-09-16
    • Takeshi GorikiKoji NoroNoriyuki FukumoriKenichi Fukuda
    • Takeshi GorikiKoji NoroNoriyuki FukumoriKenichi Fukuda
    • H05B37/02G01R31/00
    • H05B41/2923G01R31/028G01R31/24H02M7/48H05B41/2886H05B41/2926Y02B20/202Y02B20/208
    • A level shift IC (3b) of a power supply/shutoff section (3) is operable, when a shutoff signal (Sa) is input from a timer circuit (8) for a time T during an ON state of a discharge lamp (7), to turn off a MOSFET (3a) so as to shut off power supply to a smoothing capacitor (4). When a detection signal (Sb) of a capacitor voltage is lowered to a value less than a reference voltage Vr1 during input of the shutoff signal (Sa), an output of a comparator (10) is changed from an H level to an L level in an inverted manner. In conjunction with this change, respective outputs of an auxiliary control circuit (12) and a NOT element (12a, 12b) are changed from an L level to an H level in an inverted manner. As a result, a current flows from the NOT element (12a) to an LED (13b) through a resistor (13a) to turn on the LED (13b). Thus, a life end of the smoothing capacitor 4 is annunciated, and a main control circuit (6) is operable to suppress an output of an inverter main circuit (5).
    • 当在放电灯的导通状态期间从定时器电路(8)输入一截止信号(Sa)一段时间T时,可操作电源/截止部分(3)的电平移位IC(3b) 7),关断MOSFET(3a),以便切断对平滑电容器(4)的电源。 当在关断信号(Sa)的输入期间电容器电压的检测信号(Sb)降低到小于参考电压Vr 1的值时,比较器(10)的输出从H电平变为L 水平反转。 结合该变化,辅助控制电路(12)和NOT元件(12a,12b)的各个输出以反相方式从L电平变为H电平。 结果,电流通过电阻器(13a)从NOT元件(12a)流向LED(13b),以接通LED(13b)。 因此,平滑电容器4的寿命结束,并且主控制电路(6)可操作以抑制逆变器主电路(5)的输出。
    • 7. 发明授权
    • Discharge lamp lighting device, and lighting equipment and lighting system using the device
    • 放电灯照明装置,照明设备及照明系统使用该装置
    • US07557523B2
    • 2009-07-07
    • US11577891
    • 2005-09-16
    • Takeshi GorikiKoji NoroNoriyuki FukumoriKenichi Fukuda
    • Takeshi GorikiKoji NoroNoriyuki FukumoriKenichi Fukuda
    • H05B41/36
    • H05B41/2923G01R31/028G01R31/24H02M7/48H05B41/2886H05B41/2926Y02B20/202Y02B20/208
    • A level shift IC (3b) of a power supply/shutoff section (3) is operable, when a shutoff signal (Sa) is input from a timer circuit (8) for a time T during an ON state of a discharge lamp (7), to turn off a MOSFET (3a) so as to shut off power supply to a smoothing capacitor (4). When a detection signal (Sb) of a capacitor voltage is lowered to a value less than a reference voltage Vr1 during input of the shutoff signal (Sa), an output of a comparator (10) is changed from an H level to an L level in an inverted manner. In conjunction with this change, respective outputs of an auxiliary control circuit (12) and a NOT element (12a, 12b) are changed from an L level to an H level in an inverted manner. As a result, a current flows from the NOT element (12a) to an LED (13b) through a resistor (13a) to turn on the LED (13b). Thus, a life end of the smoothing capacitor 4 is annunciated, and a main control circuit (6) is operable to suppress an output of an inverter main circuit (5).
    • 当在放电灯(7)的导通状态期间从定时器电路(8)输入关闭时间T的关闭信号(Sa)时,电源/截止部分(3)的电平转换IC(3b) ),以关断MOSFET(3a)以便切断对平滑电容器(4)的电源。 当在关断信号(Sa)的输入期间电容器电压的检测信号(Sb)降低到小于参考电压Vr1的值时,比较器(10)的输出从H电平变为L电平 以倒置的方式。 结合该变化,辅助控制电路(12)和NOT元件(12a,12b)的各个输出以反相方式从L电平变为H电平。 结果,电流通过电阻器(13a)从NOT元件(12a)流向LED(13b),以导通LED(13b)。 因此,平滑电容器4的寿命结束,并且主控制电路(6)可操作以抑制逆变器主电路(5)的输出。
    • 9. 发明授权
    • Discharge lamp lighting device and lighting fixture
    • 放电灯照明装置和照明灯具
    • US08164269B2
    • 2012-04-24
    • US12438582
    • 2007-07-23
    • Kenichi FukudaNobutoshi Matsuzaki
    • Kenichi FukudaNobutoshi Matsuzaki
    • H05B41/16
    • H05B41/386H05B41/2928H05B41/388Y02B20/204
    • One output power characteristic curve for supplying constant power is provided with respect to a raging voltage range of a discharge lamp, and in addition, a plurality of output power characteristic curves W1, W2 and W3 are provided with respect to a lamp voltage before the rating voltage range. There is provided minimum lamp voltage detecting means for detecting a minimum lamp voltage after a high intensity discharge lamp shifts to an arc discharge in an event where lamp power is supplied to a high intensity discharge lamp based on any initially set output power characteristic curve after the high intensity discharge lamp is started. As the minimum lamp voltage detected by the minimum lamp voltage detecting means is larger in a predetermined minimum lamp voltage range, any larger output power characteristic curve is reset from the plurality of output power characteristic curves W1, W2 and W3, and subsequent power control is performed.
    • 针对放电灯的炽热电压范围提供一个用于提供恒定功率的输出功率特性曲线,此外,相对于额定值之前的灯电压设置多个输出功率特性曲线W1,W2和W3 电压范围 提供了最低灯电压检测装置,用于在高强度放电灯转换到电弧放电之后检测灯电压的最小值,在灯功率被提供给高强度放电灯的情况下,基于任何初始设定的输出功率特性曲线 高亮度放电灯启动。 由于最小灯电压检测装置检测出的最小灯电压在预定的最小灯电压范围内较大,因此,从多个输出功率特性曲线W1,W2和W3中复位更大的输出功率特性曲线,随后的功率控制为 执行。