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    • 1. 发明申请
    • ELECTRONIC BALLAST FOR DISCHARGE LAMP
    • 放电灯电子镇流器
    • US20100194305A1
    • 2010-08-05
    • US12669538
    • 2008-07-25
    • Shinji MakimuraHiroshi Kido
    • Shinji MakimuraHiroshi Kido
    • H05B41/26
    • H05B41/2806H05B41/2828Y02B20/22Y10S315/05
    • An electronic ballast for a discharge lamp includes a predictive circuit and a correction circuit in addition to a power conversion circuit including an inverter circuit and a resonant circuit, a drive circuit and a frequency control circuit. The inverter circuit applies load voltage across a load circuit including the lamp via the resonant circuit. The predictive circuit predicts a resonance frequency of the combination of the resonant circuit and the load circuit after ignition of the lamp. The resonance frequency is predicted based on an input signal representing the load voltage in the period of time from the start of sweep of the inverter circuit's operating frequency through a time point immediately after ignition of the lamp. The correction circuit changes the end frequency of the sweep to the resonance frequency.
    • 用于放电灯的电子镇流器除了包括逆变器电路和谐振电路,驱动电路和频率控制电路的功率转换电路之外还包括预测电路和校正电路。 逆变器电路通过谐振电路在包括灯的负载电路两端施加负载电压。 预测电路预测了在点灯之后谐振电路和负载电路的组合的谐振频率。 基于表示在从逆变器电路的工作频率开始扫描直到灯点火之后的时间点的时间段内的负载电压的输入信号来预测谐振频率。 校正电路将扫描的结束频率改变为谐振频率。
    • 2. 发明授权
    • Electrodeless discharge lamp lighting device and luminaire
    • 无极放电灯照明装置及灯具
    • US07365498B2
    • 2008-04-29
    • US10577717
    • 2004-11-25
    • Shinji MakimuraHiroshi KidoShingo Masumoto
    • Shinji MakimuraHiroshi KidoShingo Masumoto
    • H05B41/36
    • H05B41/2806Y02B20/22
    • Electrodeless discharge lamp lighting device. Start circuit 19 sweeps operating frequency of resonance circuit 16 from start frequency to end frequency of resonance frequency side through drive circuit 18 and DC/AC conversion circuit 15, and starts electrodeless discharge lamp 13. Control circuit 10 increases or decreases variable power into circuit 18 so that detection current comes to equal prescribed current for shifting the operating frequency to middle range frequency between the start frequency and the end frequency. The prescribed current is set so that the detection voltage in case of the middle range frequency becomes lower than that in case of the end frequency. Capacitor 106 constituting integration circuit starts suppression of operation of circuit 10 when lamp 13 is started, and holds the suppression during at least start mode. Accordingly, it is possible to stably start lamp 13 and control stress on circuit(s) after lamp 13 is successfully started.
    • 无极放电灯照明装置。 启动电路19通过驱动电路18和DC / AC变换电路15从谐振频率侧的起始频率到结束频率扫描谐振电路16的工作频率,并启动无电极放电灯13。 控制电路10将可变功率增加或减小到电路18,使得检测电流达到相等的规定电流,以将工作频率移动到起始频率和结束频率之间的中等频率频率。 设定规定的电流,使得在中等范围频率的情况下的检测电压变得低于结束频率的情况下的检测电压。 构成积分电路的电容器106在灯13启动时开始抑制电路10的动作,并且在至少起动模式期间保持抑制。 因此,在灯13成功启动之后,可以稳定地启动灯13并控制电路上的应力。
    • 3. 发明授权
    • Induction lamp lighting device and illumination apparatus
    • 感应灯照明装置及照明装置
    • US08247987B2
    • 2012-08-21
    • US12457864
    • 2009-06-24
    • Akira NakajoHiroshi KidoShinji Makimura
    • Akira NakajoHiroshi KidoShinji Makimura
    • H05B41/16H05B41/24H05B37/02H05B39/02H05B39/04H05B41/36
    • H05B41/2806Y02B20/22
    • An induction lamp lighting device includes an induction coil arranged adjacent to an induction lamp; a direct current power supply circuit for outputting a direct current voltage; a high-frequency power supply circuit for converting the direct current voltage to an alternating current voltage and supplying the alternating current voltage to the induction coil; and a control circuit for controlling the direct current power supply circuit and the high-frequency power supply circuit. The control circuit performs a startup preparation operation by which to control the high-frequency power supply circuit so that, immediately after the alternating current voltage begins to be outputted from the high-frequency power supply circuit to the induction coil, the alternating current voltage is gradually increased to such a voltage value as not to generate arc discharge in the induction lamp and then kept at the voltage value for a specified time.
    • 感应灯照明装置包括:与感应灯相邻布置的感应线圈; 用于输出直流电压的直流电源电路; 高频电源电路,用于将直流电压转换成交流电压,并将交流电压提供给感应线圈; 以及用于控制直流电源电路和高频电源电路的控制电路。 控制电路进行启动准备操作,通过该操作来控制高频电源电路,使得在交流电压开始从高频电源电路输出到感应线圈之后,交流电压为 逐渐增加到不会在感应灯中产生电弧放电的电压值,然后在一定时间内保持在电压值。
    • 4. 发明授权
    • Electric-discharge lamp lighting device and lighting fixture
    • 放电灯照明装置及照明灯具
    • US08207688B2
    • 2012-06-26
    • US12668515
    • 2007-09-05
    • Shinji MakimuraHiroshi Kido
    • Shinji MakimuraHiroshi Kido
    • H05B37/02
    • H05B41/2806H05B41/2828Y02B20/186Y02B20/22
    • An electric-discharge lamp lightning device includes a first frequency controller for sweeping a switching frequency so that the output of an inverter is gradually increased in order to allow an electric-discharge lamp to be started and lighted, and a second frequency controller for detecting the output power of the inverter by a current flowing in a resonant circuit and controlling the switching frequency so that the output power is set to be a target value after the discharge lamp is started and lighted. The first frequency controller includes a holding means for holding the switching frequency just after the lighting detection when the output power is smaller than the target value at the lighting detection of the electric-discharge lamp by a lighting detection circuit.
    • 放电灯避雷装置包括:第一频率控制器,用于扫描开关频率,使得逆变器的输出逐渐增加,以允许放电灯起动和点亮;以及第二频率控制器,用于检测 通过在谐振电路中流动的电流对逆变器的输出功率进行控制,并控制开关频率,使得在放电灯起动和点亮之后将输出功率设定为目标值。 第一频率控制器包括保持装置,用于当通过点亮检测电路在放电灯的点亮检测时输出功率小于目标值时,保持恰好在点亮检测之后的开关频率。
    • 5. 发明授权
    • Dimmable electronic ballast for electrodeless discharge lamp and luminaire
    • 可调光电子镇流器,用于无电极放电灯和灯具
    • US07772783B2
    • 2010-08-10
    • US12067287
    • 2005-09-28
    • Shinji MakimuraHiroshi Kido
    • Shinji MakimuraHiroshi Kido
    • H05B41/24
    • H05B41/2806H05B41/3925Y02B20/22Y10S315/04
    • A dimmable electronic ballast for an electrodeless discharge lamp comprises an inverter circuit, a resonance circuit, an induction coil and a start circuit. The start circuit has a variable time constant. The start circuit sweeps a drive frequency of the inverter circuit through a time constant for start or restart so that the voltage applied across the coil is raised from voltage lower than start voltage and restart voltage for starting and restarting the lamp to voltage higher than the start voltage and the restart voltage. The time constant for start during a start period for starting the lamp is larger than the time constant for restart during a restart period for restarting the lamp.
    • 一种无电极放电灯的可调光电子镇流器包括逆变器电路,谐振电路,感应线圈和启动电路。 启动电路具有可变时间常数。 启动电路通过时间常数扫描逆变器电路的驱动频率,以启动或重新启动,使得施加在线圈上的电压从低于启动电压的电压升高,并将启动和重新启动灯的电压重新启动到高于启动的电压 电压和重启电压。 启动灯的启动期间启动的时间常数大于重新启动灯的重启期间的重启时间常数。
    • 6. 发明申请
    • Induction lamp lighting device and illumination apparatus
    • 感应灯照明装置及照明装置
    • US20090322239A1
    • 2009-12-31
    • US12457864
    • 2009-06-24
    • Akira NakajoHiroshi KidoShinji Makimura
    • Akira NakajoHiroshi KidoShinji Makimura
    • H05B41/24
    • H05B41/2806Y02B20/22
    • An induction lamp lighting device includes an induction coil arranged adjacent to an induction lamp; a direct current power supply circuit for outputting a direct current voltage; a high-frequency power supply circuit for converting the direct current voltage to an alternating current voltage and supplying the alternating current voltage to the induction coil; and a control circuit for controlling the direct current power supply circuit and the high-frequency power supply circuit. The control circuit performs a startup preparation operation by which to control the high-frequency power supply circuit so that, immediately after the alternating current voltage begins to be outputted from the high-frequency power supply circuit to the induction coil, the alternating current voltage is gradually increased to such a voltage value as not to generate arc discharge in the induction lamp and then kept at the voltage value for a specified time.
    • 感应灯照明装置包括:与感应灯相邻布置的感应线圈; 用于输出直流电压的直流电源电路; 高频电源电路,用于将直流电压转换成交流电压,并将交流电压提供给感应线圈; 以及用于控制直流电源电路和高频电源电路的控制电路。 控制电路进行启动准备操作,通过该操作来控制高频电源电路,使得在交流电压开始从高频电源电路输出到感应线圈之后,交流电压为 逐渐增加到不会在感应灯中产生电弧放电的电压值,然后在一定时间内保持在电压值。
    • 7. 发明授权
    • Dimmable ballast for an electrodeless discharge lamp
    • 可调光镇流器,用于无电极放电灯
    • US07339329B2
    • 2008-03-04
    • US10544720
    • 2003-11-21
    • Shinji MakimuraHiroshi KidoShingo MasumotoYuji KumagaiAkira Nakajo
    • Shinji MakimuraHiroshi KidoShingo MasumotoYuji KumagaiAkira Nakajo
    • H05B41/24
    • H05B41/2806H05B41/3925H05B41/3927Y02B20/22Y10S315/04
    • A ballast for an electrodeless discharge lamp includes a high frequency power supply that supplies a high frequency electric power to an induction coil for operating the lamp. A dimmer controller generates a control signal in response to a dimmer command designating a varying dimming ratio. The control signal defines a first period Ton in which the power supply is controlled to apply a coil voltage of a first level V1 to the induction coil for operating the lamp. The first period is followed by a second period Toff in which the power supply is controlled to apply the coil voltage of a second level V2 that is lower than the first level and fails to sustain the lamp. The control signal defines, between the second period and the first period, a starting period Tst in which the coil voltage increases continuously for smooth transition from an off-condition to an on-condition of the lamp.
    • 无电极放电灯的镇流器包括向用于操作灯的感应线圈供给高频电力的高频电源。 调光器控制器响应于指示变化的调光比的调光器命令产生控制信号。 控制信号限定第一时段Ton,其中控制电源以将第一电平V 1的线圈电压施加到用于操作灯的感应线圈。 第一时段之后是第二时段Toff,其中控制电源以施加低于第一电平的第二电平V 2的线圈电压,并且不能维持灯。 控制信号在第二周期和第一周期之间定义起始周期Tst,其中线圈电压连续增加以从灯的关闭状态到状态的平滑过渡。
    • 8. 发明授权
    • Electronic ballast for discharge lamp
    • 放电灯电子镇流器
    • US08179057B2
    • 2012-05-15
    • US12669538
    • 2008-07-25
    • Shinji MakimuraHiroshi Kido
    • Shinji MakimuraHiroshi Kido
    • G05F1/00
    • H05B41/2806H05B41/2828Y02B20/22Y10S315/05
    • An electronic ballast for a discharge lamp includes a predictive circuit and a correction circuit in addition to a power conversion circuit including an inverter circuit and a resonant circuit, a drive circuit and a frequency control circuit. The inverter circuit applies load voltage across a load circuit including the lamp via the resonant circuit. The predictive circuit predicts a resonance frequency of the combination of the resonant circuit and the load circuit after ignition of the lamp. The resonance frequency is predicted based on an input signal representing the load voltage in the period of time from the start of sweep of the inverter circuit's operating frequency through a time point immediately after ignition of the lamp. The correction circuit changes the end frequency of the sweep to the resonance frequency.
    • 用于放电灯的电子镇流器除了包括逆变器电路和谐振电路,驱动电路和频率控制电路的功率转换电路之外还包括预测电路和校正电路。 逆变器电路通过谐振电路在包括灯的负载电路两端施加负载电压。 预测电路预测了在点灯之后谐振电路和负载电路的组合的谐振频率。 基于表示在从逆变器电路的工作频率开始扫描直到灯点火之后的时间点的时间段内的负载电压的输入信号来预测谐振频率。 校正电路将扫描的结束频率改变为谐振频率。
    • 9. 发明申请
    • ELECTRIC-DISCHARGE LAMP LIGHTING DEVICE AND LIGHTING FIXTURE
    • 电动放电灯照明装置和照明灯具
    • US20100231134A1
    • 2010-09-16
    • US12668515
    • 2007-09-05
    • Shinji MakimuraHiroshi Kido
    • Shinji MakimuraHiroshi Kido
    • H05B41/36
    • H05B41/2806H05B41/2828Y02B20/186Y02B20/22
    • An electric-discharge lamp lightning device includes a first frequency controller for sweeping a switching frequency so that the output of an inverter is gradually increased in order to allow an electric-discharge lamp to be started and lighted, and a second frequency controller for detecting the output power of the inverter by a current flowing in a resonant circuit and controlling the switching frequency so that the output power is set to be a target value after the discharge lamp is started and lighted. The first frequency controller includes a holding means for holding the switching frequency just after the lighting detection when the output power is smaller than the target value at the lighting detection of the electric-discharge lamp by a lighting detection circuit.
    • 放电灯避雷装置包括:第一频率控制器,用于扫描开关频率,使得逆变器的输出逐渐增加,以允许放电灯起动和点亮;以及第二频率控制器,用于检测 通过在谐振电路中流动的电流对逆变器的输出功率进行控制,并控制开关频率,使得在放电灯起动和点亮之后将输出功率设定为目标值。 第一频率控制器包括保持装置,用于当通过点亮检测电路在放电灯的点亮检测时输出功率小于目标值时,保持恰好在点亮检测之后的开关频率。