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    • 1. 发明授权
    • Power supply for lighting and luminaire
    • 照明和照明用电源
    • US08836234B2
    • 2014-09-16
    • US13533667
    • 2012-06-26
    • Noriyuki KitamuraHirokazu OtakeYuji Takahashi
    • Noriyuki KitamuraHirokazu OtakeYuji Takahashi
    • H05B37/02
    • H05B33/0809
    • According to one embodiment, a power supply for lighting includes a rectifying circuit, a smoothing capacitor, and a current control circuit. The rectifying circuit rectifies a phase-controlled alternating-current voltage supplied to between a pair of input terminals. The smoothing capacitor is connected to a high-potential terminal and a low-potential terminal of the rectifying circuit. A first electric current flows to the current control circuit in a period when an absolute value of the alternating-current voltage is lower than a specified value. After a second electric current larger than the first electric current flows when the absolute value of the alternating-current voltage increases to be equal to or larger than the specified value, the current control circuit is shut off to reduce a current value to be smaller than the second electric current until the absolute value of the alternating-current voltage decreases to be lower than the specified value.
    • 根据一个实施例,用于照明的电源包括整流电路,平滑电容器和电流控制电路。 整流电路对提供给一对输入端子之间的相位控制的交流电压进行整流。 平滑电容器连接到整流电路的高电位端子和低电位端子。 在交流电压的绝对值低于规定值的期间,第一电流流向电流控制电路。 当交流电压的绝对值增加到等于或大于规定值时,大于第一电流的第二电流流过时,电流控制电路被切断以将电流值减小到 直到交流电压的绝对值的第二电流降低到低于规定值。
    • 2. 发明授权
    • LED lighting device and illumination apparatus
    • LED照明装置和照明装置
    • US08610363B2
    • 2013-12-17
    • US12874282
    • 2010-09-02
    • Hirokazu OtakeKenichi Asami
    • Hirokazu OtakeKenichi Asami
    • H05B37/02
    • H05B33/0809H05B33/0815
    • The present invention provides a pair of input terminals to which AC voltage is input, the AC voltage being phase-controlled by a dimmer for phase-controlling AC voltage of an AC source; a damping circuit which has a resistor inserted to a position, into which input current flows from the AC source via the dimmer in series, and a capacitor and an inductor which form a closed circuit together with the AC source and the dimmer, and suppresses high-frequency vibration generated in the dimmer when a phase control element of the dimmer is turned on; and an LED lighting circuit which rectifies AC voltage phase-controlled and input via the pair of input terminals, converts DC output voltage, which is obtained by rectification, so that the voltage adapts to a load, and lights the LED.
    • 本发明提供输入交流电压的一对输入端子,交流电压由调光器进行相位控制,用于交流电源的交流电压的相位控制; 阻尼电路,其具有插入到输入电流经由串联的调光器从AC源流入的位置的电阻器以及与AC源和调光器一起形成闭合电路的电容器和电感器,并且抑制高 当调光器的相位控制元件接通时在调光器中产生的频率振动; 以及通过一对输入端对AC电压进行相位控制和输入整流的LED点亮电路,转换通过整流得到的直流输出电压,使得电压适应负载,并点亮LED。
    • 3. 发明申请
    • POWER SUPPLY FOR LIGHTING AND LUMINAIRE
    • 用于照明和灯管的电源
    • US20130234616A1
    • 2013-09-12
    • US13533667
    • 2012-06-26
    • Noriyuki KITAMURAHirokazu OTAKEYuji TAKAHASHI
    • Noriyuki KITAMURAHirokazu OTAKEYuji TAKAHASHI
    • H05B37/02
    • H05B33/0809
    • According to one embodiment, a power supply for lighting includes a rectifying circuit, a smoothing capacitor, and a current control circuit. The rectifying circuit rectifies a phase-controlled alternating-current voltage supplied to between a pair of input terminals. The smoothing capacitor is connected to a high-potential terminal and a low-potential terminal of the rectifying circuit. A first electric current flows to the current control circuit in a period when an absolute value of the alternating-current voltage is lower than a specified value. After a second electric current larger than the first electric current flows when the absolute value of the alternating-current voltage increases to be equal to or larger than the specified value, the current control circuit is shut off to reduce a current value to be smaller than the second electric current until the absolute value of the alternating-current voltage decreases to be lower than the specified value.
    • 根据一个实施例,用于照明的电源包括整流电路,平滑电容器和电流控制电路。 整流电路对提供给一对输入端子之间的相位控制的交流电压进行整流。 平滑电容器连接到整流电路的高电位端子和低电位端子。 在交流电压的绝对值低于规定值的期间,第一电流流向电流控制电路。 当交流电压的绝对值增加到等于或大于规定值时,大于第一电流的第二电流流过时,电流控制电路被切断以将电流值减小到 直到交流电压的绝对值的第二电流降低到低于规定值。
    • 4. 发明申请
    • Lighting Power Source and Luminaire
    • 照明电源和灯具
    • US20130119878A1
    • 2013-05-16
    • US13608177
    • 2012-09-10
    • Noriyuki KitamuraHirokazu OtakeYuji Takahashi
    • Noriyuki KitamuraHirokazu OtakeYuji Takahashi
    • H05B37/00
    • H05B33/0815
    • A lighting power source according to an embodiment includes a rectification circuit, a smoothing capacitor, a waveform shaping circuit, and a DC-DC converter. The rectification circuit rectifies an AC voltage input thereto.The waveform shaping circuit is connected between the rectification circuit and the smoothing capacitor, performs a switching operation to repeat an ON state and an OFF state when the voltage output from the rectification circuit is relatively high, continues to be in the ON state to allow the current to flow to the rectification circuit when the voltage output from the rectification circuit is relatively low. The DC-DC converter converts a voltage charged in the smoothing capacitor.
    • 根据实施例的照明电源包括整流电路,平滑电容器,波形整形电路和DC-DC转换器。 整流电路对输入的交流电压进行整流。 波形整形电路连接在整流电路和平滑电容器之间,当从整流电路输出的电压相对较高时,执行开关操作以重复ON状态和OFF状态,继续处于ON状态,以允许 当整流电路输出的电压相对较低时,电流流向整流电路。 DC-DC转换器转换在平滑电容器中充电的电压。