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    • 1. 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。
    • 2. 发明申请
    • POWER SUPPLY, SOLID-STATE LIGHT-EMITTING ELEMENT LIGHTING DEVICE, AND LUMINAIRE
    • 电源,固态发光元件照明装置和灯管
    • US20140015432A1
    • 2014-01-16
    • US13618814
    • 2012-09-14
    • Hirokazu OTAKENoriyuki KITAMURAYuji TAKAHASHIHiroshi AKAHOSHI
    • Hirokazu OTAKENoriyuki KITAMURAYuji TAKAHASHIHiroshi AKAHOSHI
    • H02M3/335H05B37/00
    • H02M1/4208H02M1/425Y02B70/126
    • According to one embodiment, a power supply device includes a full-wave rectifier, a power converting circuit, and a partial smoothing circuit. The power converting circuit converts an output of the full-wave rectifier into a direct-current voltage according to a switching action of a switching element. The partial smoothing circuit includes, in series, a capacitor and a first diode connected in polarity opposite to output polarity of the full-wave rectifier. The partial smoothing circuit is provided on an output side of the full-wave rectifier in parallel to the power converting circuit. In the partial smoothing circuit, the capacitor is charged according to the switching action of the switching element of the power converting circuit. The partial smoothing circuit supplies charged electric of the capacitor to the power converting circuit via the first diode in a trough portion of an output voltage of the full-wave rectifier.
    • 根据一个实施例,电源装置包括全波整流器,功率转换电路和部分平滑电路。 功率转换电路根据开关元件的开关动作将全波整流器的输出转换成直流电压。 部分平滑电路串联包括电容器和与全波整流器的输出极性相反的极性连接的第一二极管。 该部分平滑电路与功率转换电路并联地设置在全波整流器的输出侧。 在部分平滑电路中,电容器根据功率转换电路的开关元件的开关动作进行充电。 部分平滑电路在全波整流器的输出电压的谷部分经由第一二极管向电力转换电路提供电容器的充电电。
    • 3. 发明申请
    • POWER FACTOR CONTROL CIRCUIT AND POWER SOURCE DEVICE
    • 功率因数控制电路和电源设备
    • US20130170260A1
    • 2013-07-04
    • US13608869
    • 2012-09-10
    • Noriyuki KITAMURAYuji TakahashiHirokazu Otake
    • Noriyuki KITAMURAYuji TakahashiHirokazu Otake
    • H02M7/155H02M7/06
    • H02M1/4225H02M3/135H02M3/1563Y02B70/126
    • A power factor control circuit of an embodiment includes an inductor, a switching element, a constant current element, a feedback coil, and a control circuit. The switching element is connected to one end of the inductor in series, performs a switching operation of repeating an on-state and an off-state when an input voltage is relatively high, continues the on-state when the input voltage is relatively low, and causes an input current to flow through the inductor. The constant current element is connected to the switching element in series and limits the current of the switching element. The feedback coil is magnetically coupled to the inductor, supplies a voltage to a control terminal of the switching element, and controls the switching element. The control circuit controls a constant current value of the constant current element depending on the input voltage.
    • 实施例的功率因数控制电路包括电感器,开关元件,恒流元件,反馈线圈和控制电路。 开关元件串联连接到电感器的一端,当输入电压相对较高时执行重复导通状态和截止状态的开关操作,当输入电压相对较低时继续导通状态, 并使输入电流流过电感器。 恒流元件串联连接到开关元件,并限制开关元件的电流。 反馈线圈磁耦合到电感器,向开关元件的控制端提供电压,并控制开关元件。 控制电路根据输入电压控制恒流元件的恒定电流值。
    • 4. 发明申请
    • INTEGRATED SWITCHING POWER SUPPLY DEVICE AND ELECTRIC APPARATUS
    • 集成开关电源装置和电器
    • US20140313783A1
    • 2014-10-23
    • US14282192
    • 2014-05-20
    • Yuji TAKAHASHINoriyuki KITAMURA
    • Yuji TAKAHASHINoriyuki KITAMURA
    • H02M3/335
    • H02M3/335H02M3/00
    • An integrated switching power supply device includes a series-connected body, a driving control element, and external terminals. In the series-connected body, a switching element, a constant current element, and a diode are connected in series. The driving control element controls to drive the constant current element. The external terminals include first to seventh external terminals. The first and second external terminals are connected to main terminals of elements of the series-connected body. The third external terminal is connected to a connection point of main terminals of the switching element or the constant current element and a main terminal of the diode. The fourth external terminal is connected to a control terminal of the switching element. The fifth external terminal supplies electric power to the driving control element. The sixth external terminal inputs reference potential. The seventh external terminal inputs a signal to the driving control element.
    • 集成开关电源装置包括串联连接体,驱动控制元件和外部端子。 在串联体中,串联连接开关元件,恒流元件和二极管。 驱动控制元件控制驱动恒流元件。 外部端子包括第一至第七外部端子。 第一和第二外部端子连接到串联连接体的元件的主端子。 第三外部端子连接到开关元件或恒流元件的主端子和二极管的主端子的连接点。 第四外部端子连接到开关元件的控制端子。 第五外部端子向驱动控制元件供电。 第六个外部端子输入参考电位。 第七外部端子将信号输入到驱动控制元件。
    • 5. 发明申请
    • Switching Power Supply and Luminaire
    • 开关电源和灯具
    • US20130002160A1
    • 2013-01-03
    • US13425034
    • 2012-03-20
    • Yuji TAKAHASHINoriyuki KITAMURA
    • Yuji TAKAHASHINoriyuki KITAMURA
    • H05B37/00H02M3/335
    • H02M3/1563H05B33/0815
    • A switching power supply includes a first switching element, a rectifying element, a first inductor and a second inductor. The first switching element supplies a power supply voltage to the first inductor and al lows a current to flow when the first switching element is on. The rectifying element is connected in series to the first switching element, and allows a current of the first inductor to flow when the first switching element is turned off. The second inductor is electromagnetically coupled to the first inductor, a potential to turn on the first switching element is induced when the current of the first inductor increases, and a potential to turn off the first switching element is induced when the current of the first inductor decreases. The induced potential is supplied to a control terminal of the first switching element. The rectifying element includes a diode and a second switching element.
    • 开关电源包括第一开关元件,整流元件,第一电感器和第二电感器。 当第一开关元件接通时,第一开关元件向第一电感器提供电源电压并使电流流过低电平。 整流元件与第一开关元件串联连接,并且当第一开关元件断开时允许第一电感器的电流流动。 第二电感器电磁耦合到第一电感器,当第一电感器的电流增加时,感应导通第一开关元件的电位,并且当第一电感器的电流被激发时,感应关闭第一开关元件的电位 减少 感应电位被提供给第一开关元件的控制端子。 整流元件包括二极管和第二开关元件。
    • 6. 发明申请
    • SWITCHING POWER-SUPPLY DEVICE AND LUMINAIRE
    • 切换电源设备和灯泡
    • US20120248999A1
    • 2012-10-04
    • US13424073
    • 2012-03-19
    • Noriyuki KITAMURAYuji Takahashi
    • Noriyuki KITAMURAYuji Takahashi
    • H05B37/00
    • H05B33/0815
    • According to one embodiment, a switching power-supply device includes a switching element, a constant current element, a rectifying element, first and second inductors, and a constant voltage circuit. The switching element supplies, when the switching element is on, a power-supply voltage of a direct-current power supply to and feeds an electric current to the first inductor. The constant current element is connected to the switching element in series and turns off the switching element when the electric current of the switching element exceeds a predetermined current value. The rectifying element is connected to any one of the switching element and the constant current element in series. The second inductor is magnetically coupled to the first inductor and supplies induced potential to a control terminal of the switching element. The constant voltage circuit applies control potential to a control terminal of the constant current element.
    • 根据一个实施例,开关电源装置包括开关元件,恒流元件,整流元件,第一和第二电感器以及恒压电路。 当开关元件接通时,开关元件提供直流电源的电源电压并向第一电感器馈送电流。 恒流元件串联连接到开关元件,当开关元件的电流超过预定电流值时,断开开关元件。 整流元件串联连接到开关元件和恒流元件中的任一个。 第二电感器磁耦合到第一电感器,并将感应电位提供给开关元件的控制端子。 恒压电路向恒流元件的控制端施加控制电位。
    • 7. 发明申请
    • SWITCHING POWER SUPPLY DEVICE AND LIGHTING APPARATUS
    • 切换电源设备和照明设备
    • US20120249007A1
    • 2012-10-04
    • US13424115
    • 2012-03-19
    • Noriyuki KITAMURAYuji TAKAHASHI
    • Noriyuki KITAMURAYuji TAKAHASHI
    • H05B37/02H02M3/335
    • H05B33/0815H02M3/156Y02B20/347
    • According to one embodiment, a switching power supply device includes a direct-current power supply and a switching operation conversion circuit. The switching operation conversion circuit is connected to the direct-current power supply, and includes an inductor, a switching element, a diode, a gate drive circuit, an input end and an output end. The switching element allows an increasing current to flow to the inductor from the direct-current power supply at an on time of the switching element. The diode allows a decreasing current to flow to the inductor at an off time of the switching element. The gate drive circuit controls a gate voltage of the switching element to turns off the switching element when the increasing current reaches a saturated state relative to a source-drain voltage of the switching element. The input end is connected to the direct-current power supply. The output end is connected with a load.
    • 根据一个实施例,开关电源装置包括直流电源和开关操作转换电路。 开关操作转换电路连接到直流电源,并且包括电感器,开关元件,二极管,栅极驱动电路,输入端和输出端。 开关元件允许增加的电流在开关元件的导通时间从直流电源流向电感器。 二极管允许在开关元件的截止时间内减小电流流向电感器。 当增加的电流相对于开关元件的源极 - 漏极电压达到饱和状态时,栅极驱动电路控制开关元件的栅极电压以关断开关元件。 输入端连接到直流电源。 输出端与负载相连。
    • 8. 发明申请
    • INTEGRATED SWITCHING POWER SUPPLY DEVICE AND ELECTRIC APPARATUS
    • 集成开关电源装置和电器
    • US20130083561A1
    • 2013-04-04
    • US13565680
    • 2012-08-02
    • Yuji TAKAHASHINoriyuki KITAMURA
    • Yuji TAKAHASHINoriyuki KITAMURA
    • H02M3/335
    • H02M3/335H02M3/00
    • An integrated switching power supply device includes a series-connected body, a driving control element, and external terminals. In the series-connected body, a switching element, a constant current element, and a diode are connected in series. The driving control element controls to drive the constant current element. The external terminals include first to seventh external terminals. The first and second external terminals are connected to main terminals of elements of the series-connected body. The third external terminal is connected to a connection point of main terminals of the switching element or the constant current element and a main terminal of the diode. The fourth external terminal is connected to a control terminal of the switching element. The fifth external terminal supplies electric power to the driving control element. The sixth external terminal inputs reference potential. The seventh external terminal inputs a signal to the driving control element.
    • 集成开关电源装置包括串联连接体,驱动控制元件和外部端子。 在串联体中,串联连接开关元件,恒流元件和二极管。 驱动控制元件控制驱动恒流元件。 外部端子包括第一至第七外部端子。 第一和第二外部端子连接到串联连接体的元件的主端子。 第三外部端子连接到开关元件或恒流元件的主端子和二极管的主端子的连接点。 第四外部端子连接到开关元件的控制端子。 第五外部端子向驱动控制元件供电。 第六个外部端子输入参考电位。 第七外部端子将信号输入到驱动控制元件。