会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • DC converter
    • DC转换器
    • US07382633B2
    • 2008-06-03
    • US11369871
    • 2006-03-08
    • Shinji AsoRyuichi FurukoshiOsamu Ohtake
    • Shinji AsoRyuichi FurukoshiOsamu Ohtake
    • H02M3/335
    • H02M3/33507H02M3/335H02M2001/342Y02B70/1491
    • A DC converter includes a time difference detector to detect a time difference between a point around which a main switch provides a minimum voltage after an auxiliary switch turns off and a point at which the main switch turns on, an integrator to integrate the output of the time difference detector, and a first delay circuit to control a turn-on point of the main switch according to the output of the integrator and the output of the time difference detector. The first delay circuit operates to minimize the output of the time difference detector according to the output of the integrator and controls a turn-on point of the main switch in a pulse-by-pulse manner according to a pulse-by-pulse control signal based on the output of the time difference detector.
    • DC转换器包括:时间差检测器,用于检测主开关在辅助开关断开后提供最小电压的点与主开关导通的点之间的时间差;积分器, 时差检测器,以及根据积分器的输出和时差检测器的输出来控制主开关的接通点的第一延迟电路。 第一延迟电路用于根据积分器的输出使时差检测器的输出最小化,并根据逐脉冲控制信号以逐脉冲的方式控制主开关的接通点 基于时差检测器的输出。
    • 2. 发明申请
    • DC converter
    • DC转换器
    • US20060215424A1
    • 2006-09-28
    • US11369871
    • 2006-03-08
    • Shinji AsoRyuichi FurukoshiOsamu Ohtake
    • Shinji AsoRyuichi FurukoshiOsamu Ohtake
    • H02M3/335
    • H02M3/33507H02M3/335H02M2001/342Y02B70/1491
    • A DC converter includes a time difference detector to detect a time difference between a point around which a main switch provides a minimum voltage after an auxiliary switch turns off and a point at which the main switch turns on, an integrator to integrate the output of the time difference detector, and a first delay circuit to control a turn-on point of the main switch according to the output of the integrator and the output of the time difference detector. The first delay circuit operates to minimize the output of the time difference detector according to the output of the integrator and controls a turn-on point of the main switch in a pulse-by-pulse manner according to a pulse-by-pulse control signal based on the output of the time difference detector.
    • DC转换器包括:时间差检测器,用于检测主开关在辅助开关断开后提供最小电压的点与主开关导通的点之间的时间差;积分器, 时差检测器,以及根据积分器的输出和时差检测器的输出来控制主开关的接通点的第一延迟电路。 第一延迟电路用于根据积分器的输出使时差检测器的输出最小化,并根据逐脉冲控制信号以逐脉冲的方式控制主开关的接通点 基于时差检测器的输出。
    • 3. 发明申请
    • DC converter
    • DC转换器
    • US20060146584A1
    • 2006-07-06
    • US11320640
    • 2005-12-30
    • Shinji AsoRyuichi Furukoshi
    • Shinji AsoRyuichi Furukoshi
    • H02M3/24H02M5/42
    • H02M3/33507H02M3/33569
    • A DC converter has a main switch connected in series to a primary winding of a transformer, and a series circuit of a capacitor and an auxiliary switch that is connected to both ends of the primary winding of the transformer or to both ends of the main switch, and also rectifies and smoothes a voltage of a secondary winding of the transformer to provide a DC output by alternate ON/OFF operations of the main switch and the auxiliary switch. This DC converter includes an error detector that detects an error by comparing the DC output to a reference voltage, a control circuit that controls ON/OFF of the main switch and the auxiliary switch based on the error detected by the error detector, and an activator that activates the control circuit by supplying, as power, an output of a joint of the auxiliary switch and a capacitor to the control circuit.
    • DC转换器具有与变压器的初级绕组串联的主开关和连接到变压器的初级绕组的两端或主开关的两端的电容器和辅助开关的串联电路 并且还对变压器的次级绕组的电压进行整流和平滑,以通过主开关和辅助开关的交替的ON / OFF操作来提供DC输出。 该DC转换器包括:误差检测器,其通过将DC输出与参考电压进行比较来检测误差;控制电路,其基于由误差检测器检测到的误差来控制主开关和辅助开关的ON / OFF;以及激活器 通过将辅助开关和电容器的接头的输出作为功率提供给控制电路来激活控制电路。
    • 4. 发明授权
    • DC converter
    • DC转换器
    • US07203080B2
    • 2007-04-10
    • US11320640
    • 2005-12-30
    • Shinji AsoRyuichi Furukoshi
    • Shinji AsoRyuichi Furukoshi
    • H02M3/335
    • H02M3/33507H02M3/33569
    • A DC converter has a main switch connected in series to a primary winding of a transformer, and a series circuit of a capacitor and an auxiliary switch that is connected to both ends of the primary winding of the transformer or to both ends of the main switch, and also rectifies and smoothes a voltage of a secondary winding of the transformer to provide a DC output by alternate ON/OFF operations of the main switch and the auxiliary switch. This DC converter includes an error detector that detects an error by comparing the DC output to a reference voltage, a control circuit that controls ON/OFF of the main switch and the auxiliary switch based on the error detected by the error detector, and an activator that activates the control circuit by supplying, as power, an output of a joint of the auxiliary switch and a capacitor to the control circuit.
    • DC转换器具有与变压器的初级绕组串联的主开关和连接到变压器的初级绕组的两端或主开关的两端的电容器和辅助开关的串联电路 并且还对变压器的次级绕组的电压进行整流和平滑,以通过主开关和辅助开关的交替的ON / OFF操作来提供DC输出。 该DC转换器包括:误差检测器,其通过将DC输出与参考电压进行比较来检测误差;控制电路,其基于由误差检测器检测到的误差来控制主开关和辅助开关的ON / OFF;以及激活器 通过将辅助开关和电容器的接头的输出作为功率提供给控制电路来激活控制电路。
    • 5. 发明授权
    • LED driving apparatus
    • LED驱动装置
    • US08441201B2
    • 2013-05-14
    • US13083009
    • 2011-04-08
    • Shinji Aso
    • Shinji Aso
    • H05B41/16
    • H05B33/0815H05B33/0809H05B33/0827
    • An LED driving apparatus comprises a power supply unit that includes a transformer having a primary coil and a plurality of secondary coils and outputs alternating power from the plurality of secondary coils; a current balancing unit and a first rectification smoothing unit connected to a first secondary coil of the plurality of secondary coils; an LED load group that includes a plurality of LEDs connected in series and to which power smoothed from the first rectification smoothing unit is supplied; a power control unit that controls power to be supplied to the first and second LED loads, based on currents flowing in the first and second LED loads; and a direct current load that is connected to both ends of a second secondary coil of the plurality of secondary coils. The power supplying unit controls the alternating power, based on the power supplied to the direct current load.
    • LED驱动装置包括电源单元,其包括具有初级线圈和多个次级线圈的变压器,并且从多个次级线圈输出交流电力; 连接到所述多个次级线圈的第一次级线圈的电流平衡单元和第一整流平滑单元; 提供串联连接的多个LED并从第一整流平滑单元平滑的功率的LED负载组; 功率控制单元,其基于在所述第一和第二LED负载中流动的电流来控制供应到所述第一和第二LED负载的功率; 以及连接到所述多个次级线圈的第二次级线圈的两端的直流负载。 供电单元根据提供给直流负载的电力来控制交流电力。
    • 7. 发明申请
    • CURRENT BALANCING APPARATUS
    • 当前平衡装置
    • US20100295471A1
    • 2010-11-25
    • US12785769
    • 2010-05-24
    • Keita ISHIKURAShinji Aso
    • Keita ISHIKURAShinji Aso
    • H05B41/36
    • H05B33/0827
    • A current balancing apparatus includes a power supply unit 10 to output an alternating current and a plurality of series circuits connected to an output of the power supply unit. Each of the series circuits has at least one winding N1 (S1) and a voltage multiplier rectifier having rectifiers D1 and D11 (D2 and D12) and capacitors C1 and C11 (C2 and C12). Outputs of the voltage multiplier rectifiers are connected to loads LD1 and LD2, respectively. Each of the loads has loads LED1a to LED1e (LED2a to LED2e). Currents passing through the loads are balanced by electromagnetic force occurring on the at least one winding.
    • 电流平衡装置包括输出交流电的电源单元10和连接到电源单元的输出的多个串联电路。 每个串联电路具有至少一个绕组N1(S1)和具有整流器D1和D11(D2和D12)以及电容器C1和C11(C2和C12)的电压倍增器整流器。 电压倍增器整流器的输出分别连接到负载LD1和LD2。 每个负载都有LED1a到LED1e(LED2a到LED2e)的负载。 通过负载的电流由在至少一个绕组上产生的电磁力平衡。
    • 8. 发明申请
    • DC CONVERTER
    • 直流转换器
    • US20100232184A1
    • 2010-09-16
    • US12682623
    • 2008-09-18
    • Shinji Aso
    • Shinji Aso
    • H02M3/335
    • H02M3/3378Y02B70/1433
    • A DC converter includes: a transformer (T1) including a primary winding (P1) and a secondary winding (S1); a series resonant circuit in which a current resonant reactor (Lr), the primary winding (P1) of the transformer, and a current resonant capacitor (Cri) are connected in series; conversion circuits (Q1, Q2) for converting a DC voltage of a DC power supply (Vin) into a rectangular-wave voltage, so as to output the rectangular-wave voltage to the series resonant circuit; and a rectifier smoothing circuit (D3, D4, Co) for rectifying and smoothing a voltage generated at the secondary winding (S1) of the transformer, so as to output a DC output voltage to a load, wherein a capacitive element (Cr) including a capacitive component corresponding to a floating capacitance (Cp) equivalently present between the primary winding of the transformer was connected to the current resonant reactor (Lr) in parallel.
    • DC转换器包括:包括初级绕组(P1)和次级绕组(S1)的变压器(T1); 其中电流谐振电抗器(Lr),变压器的初级绕组(P1)和电流谐振电容器(Cri)串联连接的串联谐振电路; 用于将直流电源(Vin)的直流电压转换为矩形波电压的转换电路(Q1,Q2),以将矩形波电压输出到串联谐振电路; 以及整流平滑电路(D3,D4,Co),用于对所述变压器的次级绕组(S1)产生的电压进行整流和平滑,以将直流输出电压输出到负载,其中,电容元件(Cr)包括 对应于等效地存在于变压器的初级绕组之间的浮动电容(Cp)的电容分量并联连接到电流谐振电抗器(Lr)。
    • 9. 发明申请
    • DC converter
    • DC转换器
    • US20060193155A1
    • 2006-08-31
    • US11355166
    • 2006-02-16
    • Shinji AsoMamoru TsuruyaMakoto Sato
    • Shinji AsoMamoru TsuruyaMakoto Sato
    • H02H7/122
    • H02M3/33592Y02B70/1475
    • A DC converter has a transformer with loosely coupled primary and secondary windings, a main switch connected in series with the primary winding of the transformer, and a series circuit connected to ends of one of the primary winding and main switch. The series circuit includes a clamp capacitor and an auxiliary switch. The main and auxiliary switches are alternately turned on/off so that a voltage of the secondary winding of the transformer is synchronously rectified with synchronous rectifiers and is smoothed with smoothing elements, to provide a DC output. The DC converter also includes a tertiary winding tightly coupled with the primary winding of the transformer, a voltage source to supply a voltage lower than a voltage generated by the tertiary winding of the transformer, and clamp diodes to clamp the voltage generated by the tertiary winding with the use of the voltage source. The clamp diodes provide voltage-clamped signals to drive the synchronous rectifiers.
    • DC转换器具有松耦合的初级和次级绕组的变压器,与变压器的初级绕组串联的主开关和连接到初级绕组和主开关之一的串联电路。 串联电路包括钳位电容器和辅助开关。 主开关和辅助开关交替地接通/断开,使得变压器的次级绕组的电压与同步整流器同步整流,并用平滑元件平滑,以提供直流输出。 DC转换器还包括与变压器的初级绕组紧密耦合的三级绕组,提供低于由变压器的三次绕组产生的电压的电压源,以及用于钳位由三级绕组产生的电压的钳位二极管 与使用电压源。 钳位二极管提供电压钳位信号来驱动同步整流器。