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    • 1. 发明授权
    • Lighting power source with controlled charging operation for driving capacitor
    • 照明电源,具有控制充电操作,用于驱动电容
    • US08686667B2
    • 2014-04-01
    • US13013999
    • 2011-01-26
    • Masanori MishimaKatunobu Hamamoto
    • Masanori MishimaKatunobu Hamamoto
    • H05B37/02H05B39/04H05B41/36G05F1/00H05B41/16H05B41/24
    • H05B33/0815H02M1/4225H02M3/1588H02M2001/008Y02B20/346Y02B70/126Y02B70/1466
    • A lighting power source provides AC or DC power as needed to power an electric light source. A first switching element and a diode are coupled in series across output ends of a DC power source, with a second switching element coupled across the diode. An inductor forms an output loop with the diode. A driving capacitor has a first end coupled to a node between the first switching element and the diode. A charging power source is coupled to a second end of the driving capacitor and supplied with power from the DC power source. During a charging operation, a control circuit charges the driving capacitor by turning on the second switching element while maintaining the first switching element in an OFF state. During a normal operation which follows the charging operation the control circuit repeatedly turns on/off the first switching element while maintaining the second switching element in the OFF state.
    • 照明电源根据需要提供AC或DC电力来为电光源供电。 第一开关元件和二极管串联连接在直流电源的输出端上,第二开关元件耦合在二极管两端。 电感器与二极管形成输出回路。 驱动电容器具有耦合到第一开关元件和二极管之间的节点的第一端。 充电电源耦合到驱动电容器的第二端并从DC电源供电。 在充电操作期间,控制电路通过接通第二开关元件同时将第一开关元件保持在断开状态来对驱动电容器充电。 在充电操作之后的正常操作期间,控制电路在将第二开关元件保持在OFF状态的同时,重复接通/断开第一开关元件。
    • 2. 发明申请
    • LIGHTING POWER SOURCE WITH CONTROLLED CHARGING OPERATION FOR DRIVING CAPACITOR
    • 用于驱动电容器的控制充电操作的照明电源
    • US20110193495A1
    • 2011-08-11
    • US13013999
    • 2011-01-26
    • Masanori MishimaKatunobu Hamamoto
    • Masanori MishimaKatunobu Hamamoto
    • H05B37/02
    • H05B33/0815H02M1/4225H02M3/1588H02M2001/008Y02B20/346Y02B70/126Y02B70/1466
    • A lighting power source provides AC or DC power as needed to power an electric light source. A first switching element and a diode are coupled in series across output ends of a DC power source, with a second switching element coupled across the diode. An inductor forms an output loop with the diode. A driving capacitor has a first end coupled to a node between the first switching element and the diode. A charging power source is coupled to a second end of the driving capacitor and supplied with power from the DC power source. During a charging operation, a control circuit charges the driving capacitor by turning on the second switching element while maintaining the first switching element in an OFF state. During a normal operation which follows the charging operation the control circuit repeatedly turns on/off the first switching element while maintaining the second switching element in the OFF state.
    • 照明电源根据需要提供AC或DC电力来为电光源供电。 第一开关元件和二极管串联连接在直流电源的输出端上,第二开关元件耦合在二极管两端。 电感器与二极管形成输出回路。 驱动电容器具有耦合到第一开关元件和二极管之间的节点的第一端。 充电电源耦合到驱动电容器的第二端并从DC电源供电。 在充电操作期间,控制电路通过接通第二开关元件同时将第一开关元件保持在断开状态来对驱动电容器充电。 在充电操作之后的正常操作期间,控制电路在将第二开关元件保持在OFF状态的同时,重复接通/断开第一开关元件。
    • 3. 发明授权
    • LED lighting device and illumination apparatus including same
    • LED照明装置及包括其的照明装置
    • US08564206B2
    • 2013-10-22
    • US13326379
    • 2011-12-15
    • Katunobu HamamotoMasafumi YamamotoKeisuke UedaHisaya Takikita
    • Katunobu HamamotoMasafumi YamamotoKeisuke UedaHisaya Takikita
    • H05B37/02
    • H05B33/0815H05B33/089
    • An LED lighting device includes a step-up chopper which includes a first switching element and increases an output voltage applied from a DC power supply, a step-down chopper which includes a second switching element and decreases the output voltage from the step-up chopper to apply the decreased output voltage to a light source unit having light emitting diodes, a controller which controls operations of the first and the second switching element, a current limiter which includes a current limiting element and a switch; and a voltage detection unit. The controller stops an operation of the first switching element when the voltage detection unit detects the voltage applied to the light source unit exceeding a predetermined voltage value, and the switch allows a current to flow through the path passing through the current limiting element when the operation of the first switching element is stopped.
    • LED照明装置包括升压斩波器,其包括第一开关元件并增加从直流电源施加的输出电压,降压斩波器,其包括第二开关元件并且降低来自升压斩波器的输出电压 将降低的输出电压施加到具有发光二极管的光源单元,控制第一和第二开关元件的操作的控制器,包括限流元件和开关的限流器; 和电压检测单元。 当电压检测单元检测到施加到光源单元的电压超过预定电压值时,控制器停止第一开关元件的操作,并且当操作时,开关允许电流流过通过限流元件的路径 的第一开关元件被停止。
    • 4. 发明申请
    • DISCHARGE LAMP LIGHTING DEVICE AND LIGHT FIXTURE
    • 放电灯照明装置和灯具
    • US20100253233A1
    • 2010-10-07
    • US12160677
    • 2007-01-16
    • Katunobu HamamotoKei MituyasuYosikazu KadoHirosi MurayamaHiroyuki Hirose
    • Katunobu HamamotoKei MituyasuYosikazu KadoHirosi MurayamaHiroyuki Hirose
    • H05B41/36
    • H05B41/2825H05B41/295H05B41/392H05B41/3922
    • In order to suppress cost of an initial investment by a user and running cost to the user to a low extent while substantially constantly maintaining an apparent illuminance, and further, to realize resource saving, in a case of using a fluorescent lamp FHF 32 as a discharge lamp La, a lamp supply power is started to be supplied from a value lower than 45 W as rated electric power at an initial period of an operation of the discharge lamp, a light adjustment signal is changed in response to an accumulated lighting time so that the lamp supply power can be a value higher than 45 W as the rated electric power on and after a rated lifetime of the discharge lamp La, whereby the lamp supply power (output of an inverter circuit 2) is adjusted. In the fluorescent lamp FHF 32, a light/electric power ratio becomes substantially constant when the lamp supply power is 41 W to 55 W, and accordingly, a light quantity is increased without impairing light emission efficiency of the discharge lamp La, and as a result, the apparent illuminance can be maintained substantially constantly.
    • 为了抑制用户的初始投入的成本,并且在大幅度地保持表观照度的同时以低的程度运行成本,并且进一步实现资源节省,在使用荧光灯FHF 32作为 放电灯La,在放电灯的操作的初始期间,从低于45W的值作为额定电力供应灯供给电力,调光信号响应于累积的点亮时间而变化,从而 灯电源功率可以是放电灯La的额定电力和额定寿命之后的高于45W的值,从而调节灯供电功率(逆变器电路2的输出)。 在荧光灯FHF32中,当灯供电功率为41W至55W时,光/功率比变得基本恒定,因此光量增加而不损害放电灯La的发光效率,并且作为 结果,可以基本上恒定地维持表观照度。
    • 5. 发明授权
    • LED lighting device and illumination apparatus including same
    • LED照明装置及包括其的照明装置
    • US08786201B2
    • 2014-07-22
    • US13326386
    • 2011-12-15
    • Katunobu HamamotoMasafumi YamamotoKeisuke UedaHisaya Takikita
    • Katunobu HamamotoMasafumi YamamotoKeisuke UedaHisaya Takikita
    • H05B37/02
    • H05B33/0887
    • An LED lighting device includes a power converter for outputting a variable output voltage, two LED lamps being connected in series between output terminals of the power converter; a current detector for detecting an output current from the power converter; a first detector for detecting the output voltage of the power converter and generating a first detection voltage corresponding to the output voltage; a second detector for detecting an applied voltage to one of the two LED lamps and generating a second detection voltage corresponding to the applied voltage; and a controller for controlling the power converter to adjust the output voltage to thereby make the output current coincide with a target value. The controller controls the power converter to decrease the output voltage if at least one of the second detection voltage and the deference between the first and the second detection voltage does not fall within a range.
    • LED照明装置包括用于输出可变输出电压的功率转换器,串联连接在功率转换器的输出端之间的两个LED灯; 电流检测器,用于检测来自功率转换器的输出电流; 第一检测器,用于检测功率转换器的输出电压并产生对应于输出电压的第一检测电压; 第二检测器,用于检测施加的电压到两个LED灯中的一个,并产生对应于所施加的电压的第二检测电压; 以及控制器,用于控制功率转换器来调节输出电压,从而使输出电流与目标值一致。 如果第二检测电压和第一和第二检测电压之间的差异中的至少一个不在一个范围内,则控制器控制功率转换器来降低输出电压。
    • 7. 发明申请
    • LED LIGHTING DEVICE AND ILLUMINATION APPARATUS INCLUDING SAME
    • LED照明装置和照明装置,包括它们
    • US20120153863A1
    • 2012-06-21
    • US13324219
    • 2011-12-13
    • Katunobu HAMAMOTOMasafumi YAMAMOTOKeisuke UEDAHisaya TAKIKITA
    • Katunobu HAMAMOTOMasafumi YAMAMOTOKeisuke UEDAHisaya TAKIKITA
    • H05B37/02
    • H05B33/0815
    • An LED lighting device includes a converter for converting a power source voltage into a DC voltage and outputting it to an LED unit; and a controller for controlling an output of the converter. The converter has a chopper circuit including a series circuit of an inductance element and a capacitor; a switching element connected to the inductance element in series and turned on/off by the controller; and a diode as discharging path of the inductance element during an OFF state of the switching element. The controller controls an on/off time of the switching element such that a current supplied to the LED unit during a specific time period after a lighting operation is started becomes smaller than a current supplied to the LED unit in a steady state by using a voltage generated in a secondary coil of the inductance coil as an operating voltage thereof.
    • LED照明装置包括用于将电源电压转换为直流电压并将其输出到LED单元的转换器; 以及用于控制转换器的输出的控制器。 该转换器具有包括电感元件和电容器的串联电路的斩波电路; 串联连接到电感元件并由控制器导通/断开的开关元件; 以及作为开关元件的OFF状态期间的电感元件的放电路径的二极管。 控制器控制开关元件的开/关时间,使得在点亮操作开始之后的特定时间段期间提供给LED单元的电流变得比通过使用电压在稳定状态下提供给LED单元的电流小 在电感线圈的次级线圈中产生的电感线圈作为其工作电压。
    • 8. 发明申请
    • Light source module and lighting apparatus, and illumination apparatus using same
    • 光源模块和照明装置,以及使用其的照明装置
    • US20110210675A1
    • 2011-09-01
    • US12929950
    • 2011-02-28
    • Katunobu HamamotoAkira HoriguchiHiroshi SugawaraKei Mitsuyasu
    • Katunobu HamamotoAkira HoriguchiHiroshi SugawaraKei Mitsuyasu
    • H05B37/02
    • H05B33/0806F21K9/27F21S8/031F21Y2103/10F21Y2115/10
    • A light source module includes a substrate unit for mounting multiple light emitting diodes thereon to electrically connecting them; first and second electrical connecting terminals for supplying a current to the light emitting diodes based on a voltage applied from outside the substrate unit; and a characteristic setting unit for presetting characteristic information corresponding to a electrical characteristic of the light emitting diodes. Further, the light source module includes a third electrical connecting terminal for outputting a setting signal based on the characteristic information preset in the characteristic setting unit, and the characteristic setting unit is connected at least between the third and first electrical connecting terminals or between the third and second electrical connecting terminals, and the characteristic setting unit responds to a set-up power inputted from the third electrical connecting terminal to generate the setting signal.
    • 光源模块包括用于在其上安装多个发光二极管以电连接它们的基板单元; 第一和第二电连接端子,用于基于从衬底单元外部施加的电压向电流发光二极管提供电流; 以及用于预设与发光二极管的电特性对应的特性信息的特性设定单元。 此外,光源模块包括第三电连接端子,用于基于在特性设定单元中预设的特性信息输出设定信号,并且特性设定单元至少连接在第三和第一电连接端子之间或第三 和第二电连接端子,并且特性设定单元响应从第三电连接端子输入的建立功率来产生设置信号。
    • 10. 发明授权
    • Light source module and lighting apparatus, and illumination apparatus using same
    • 光源模块和照明装置,以及使用其的照明装置
    • US08564210B2
    • 2013-10-22
    • US12929950
    • 2011-02-28
    • Katunobu HamamotoAkira HoriguchiHiroshi SugawaraKei Mitsuyasu
    • Katunobu HamamotoAkira HoriguchiHiroshi SugawaraKei Mitsuyasu
    • H05B37/02
    • H05B33/0806F21K9/27F21S8/031F21Y2103/10F21Y2115/10
    • A light source module includes a substrate unit for mounting multiple light emitting diodes thereon to electrically connecting them; first and second electrical connecting terminals for supplying a current to the light emitting diodes based on a voltage applied from outside the substrate unit; and a characteristic setting unit for presetting characteristic information corresponding to a electrical characteristic of the light emitting diodes. Further, the light source module includes a third electrical connecting terminal for outputting a setting signal based on the characteristic information preset in the characteristic setting unit, and the characteristic setting unit is connected at least between the third and first electrical connecting terminals or between the third and second electrical connecting terminals, and the characteristic setting unit responds to a set-up power inputted from the third electrical connecting terminal to generate the setting signal.
    • 光源模块包括用于在其上安装多个发光二极管以电连接它们的基板单元; 第一和第二电连接端子,用于基于从衬底单元外部施加的电压向电流发光二极管提供电流; 以及用于预设与发光二极管的电特性对应的特性信息的特性设定单元。 此外,光源模块包括第三电连接端子,用于基于在特性设定单元中预设的特性信息输出设定信号,并且特性设定单元至少连接在第三和第一电连接端子之间或第三 和第二电连接端子,并且特性设定单元响应从第三电连接端子输入的建立功率来产生设置信号。