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. 发明申请
    • DRIVER CIRCUIT FOR DRIVING A LOAD CIRCUIT
    • 用于驱动负载电路的驱动电路
    • WO2011101761A3
    • 2011-12-08
    • PCT/IB2011050436
    • 2011-02-01
    • KONINKL PHILIPS ELECTRONICS NVPHILIPS INTELLECTUAL PROPERTYELFERICH REINHOLD
    • ELFERICH REINHOLD
    • H02M3/335
    • H02M3/33523H02M3/33561H05B33/0815
    • Driver circuits (1) for driving load circuits comprise transformer circuits (21) with primary side windings to be coupled to source circuits and with secondary side windings to be coupled to the load circuits. By providing the driver circuits (1) with determination circuits (22) for determining secondary side currents as functions of primary side currents, primary side voltages, primary side inductances and transformer ratios, the secondary side currents can be determined solely at primary sides of the transformer circuits (21). Functions may define secondary side currents to be proportional to differences between first signals proportional to integrals of primary side voltages divided by primary side inductances and second signals proportional to primary side currents, the differences being multiplied by the transformer ratios. The primary side inductances may be inductances measured at primary sides and the transformer ratios may be voltage ratios of the transformer circuits (21), both for open secondary sides of the transformer circuits (21).
    • 用于驱动负载电路的驱动器电路(1)包括具有初级侧绕组的变压器电路(21),其耦合到源电路,并且次级侧绕组耦合到负载电路。 通过为驱动器电路(1)提供用于确定次级侧电流作为初级侧电流,初级侧电压,初级侧电感和变压器比的函数的确定电路(22),次级侧电流可以仅在 变压器电路(21)。 功能可以将次级侧电流定义为与初级侧电压的积分成比例的第一信号与初级侧电感和与初级侧电流成比例的第二信号成比例的差异,该差异乘以变压器比。 初级侧电感可以是在一次侧测量的电感,并且变压器比可以是变压器电路(21)的电压比,两者都用于变压器电路(21)的开路次级侧。
    • 5. 发明申请
    • SWITCHING CIRCUIT ARRANGEMENT
    • 切换电路布置
    • WO2007138509A2
    • 2007-12-06
    • PCT/IB2007/051806
    • 2007-05-14
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHLOPEZ, ToniELFERICH, Reinhold
    • LOPEZ, ToniELFERICH, Reinhold
    • H03K17/16
    • H02M1/08H03K17/0822H03K17/166H03K17/687H03K2217/0036
    • A switching circuit arrangement (100) comprises a field effect transistor (40) and circuitry (50, 52, 54, 60, 62) for biasing the gate voltage of the field effect transistor (40), in particular forcing the gate voltage of the field effect transistor (40) under a certain threshold, in particular under a certain positive threshold level. In embodiments, reverse recovery as well as gate bounce are simultaneously mitigated. In one embodiment, the biasing circuitry comprises a biasing diode (52) connected in series to the gate (G) of the field effect transistor (40) to bias the gate voltage of the field effect transistor (40), as well as a clamping field effect transistor unit (62) connected between the gate (G) of the field effect transistor (40) and the source (S) of the field effect transistor (40) to force the gate voltage of the field effect transistor (40) under a certain threshold, in particular under a certain positive threshold level.
    • 开关电路装置(100)包括用于偏置场效应晶体管(40)的栅极电压的场效应晶体管(40)和电路(50,52,54,60,62),特别是迫使栅极电压 场效应晶体管(40)在特定阈值下,特别是在一定的正阈值电平下。 在实施例中,反向恢复以及门反弹同时被减轻。 在一个实施例中,偏置电路包括与场效应晶体管(40)的栅极(G)串联连接以偏置场效应晶体管(40)的栅极电压的偏置二极管(52)以及钳位 场效应晶体管单元(62)连接在场效应晶体管(40)的栅极(G)和场效应晶体管(40)的源极(S)之间,以迫使场效应晶体管(40)的栅极电压在 特定的阈值水平。
    • 7. 发明申请
    • SCHALTUNGSANORDNUNG MIT EINER REGELSCHALTUNG
    • 与规则电路电路
    • WO2002097958A2
    • 2002-12-05
    • PCT/IB2002/002067
    • 2002-05-30
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS CORPORATE INTELLECTUAL PROPERTY GMBHVAN BODEGRAVEN, Tijmen, C.ELFERICH, Reinhold
    • VAN BODEGRAVEN, Tijmen, C.ELFERICH, Reinhold
    • H02M3/337
    • H02M3/33507H02M2001/0012Y02B70/1433
    • Die Erfindung betrifft eine Schaltungsanordnung mit einer Regelschaltung, die insbesondere zur Regelung eines resonanten Konverters mit mehreren Ausgängen eingesetzt wird. Um eine Schaltungsanordnung mit einer Regelschaltung für Konverter mit mehreren Ausgängen zu schaffen, die eine mit möglichst wenig Schaltungs- und Rechenaufwand herstellbare Schutzschaltung enthält, die zuverlässig gegen Überlastfälle schützt, wird vorgeschlagen, dass die Regelschaltung zur Erzeugung eines pulsweitenmodulierten Regelsignals (20) in Abhängigkeit von zwei an Eingängen der Regelschaltung (20) anliegenden Messsignalen (Va, Vb) dient, und mit einer Vergleichsschaltung (212) zum Vergleich des Tastverhältnisses (() des Regelsignals (20) mit einem vorgebbaren Tastverhältnismaximalwert ((max) und Tastverhältnisminimalwert ((min), wobei bei einem außerhalb des Bereichs zwischen dem Tastverhältnismaximalwert ((max) und dem Tastverhältnisminimalwert ((min) liegenden Tastverhältnis (() die Abgabe einer zu dieser Bereichsüberschreitung korrespondierenden Steuerinformation durch die Schaltungsanordnung vorgesehen ist.
    • 本发明涉及与在特别用于控制与多个输出谐振转换器的控制电路的电路布置。 为了提供有用于与多个输出变换器的控制电路,其包含具有最小的电路和计算工作量保护电路能可靠防止过载的情况下可制造的电路装置中,提出的是,用于产生脉冲宽度调制的控制信号(20)作为一个功能的控制电路 的控制电路的输入端相邻的两个(20)测量信号(VA,VB)时,并用比较电路(212),用于将控制信号(20)的占空比(()可预定Tastverhältnismaximalwert((max)和Tastverhältnisminimalwert((分钟)比较 其中占空比躺在所述Tastverhältnismaximalwert((max)和(在Tastverhältnisminimalwert(分钟)之间的区域之外(()由所述电路装置提供时,相应的输出在该范围内被超过的控制信息。
    • 8. 发明申请
    • DC- DC DRIVER DEVICE HAVING INPUT AND OUTPUT FILTERS, FOR DRIVING A LOAD, IN PARTICULAR AN LED UNIT
    • 具有输入和输出滤波器的DC-DC驱动器件,用于驱动负载,特别是LED单元
    • WO2012172459A1
    • 2012-12-20
    • PCT/IB2012/052841
    • 2012-06-06
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHELFERICH, ReinholdLOPEZ, Toni
    • ELFERICH, ReinholdLOPEZ, Toni
    • H02M3/158H05B33/08
    • H05B33/0809H02M3/158H05B33/0815H05B33/0845Y02B20/348
    • The present invention relates to a driver device (50a-50f) and a corresponding method for driving a load (22), in particular an LED unit comprising one or more LEDs (23). The proposed driver device comprises power input terminals (51, 52) for receiving a rectified supply voltage (vr) from an external power supply, power output terminals (53, 54) for providing a drive voltage and/or current for driving a load (22), a half bridge unit (70) comprising a first (60) and second (61) switching element coupled in series between a high voltage node (57) and a low voltage node (58) and having a switch node (59) between said first and second switching elements, a buck-boost input filter unit (71) comprising a first inductor (Lm) and a series diode (Dm) coupled between a power input terminal (51, 52) and said half bridge unit (70), a buck output filter unit (72) comprising a second inductor (Lo, Lc) coupled between said half bridge unit (70) and a power output terminal (53, 54), an energy storage unit (73), and a control unit (64) for controlling said switching elements (60, 61).
    • 本发明涉及一种用于驱动负载(22)的驱动器装置(50a-50f)和相应的方法,特别是包括一个或多个LED(23)的LED单元。 所提出的驱动器装置包括用于从外部电源接收经整流的电源电压(vr)的电力输入端子(51,52),用于提供用于驱动负载的驱动电压和/或电流的电力输出端子(53,54) 包括在高压节点(57)和低压节点(58)之间串联耦合并具有开关节点(59)的第一(60)和第二(61)开关元件的半桥单元(70) 在所述第一和第二开关元件之间,包括耦合在电源输入端子(51,52)和所述半桥单元(70)之间的第一电感器(Lm)和串联二极管(Dm)的降压 - 升压输入滤波器单元 ),包括耦合在所述半桥单元(70)和功率输出端子(53,54)之间的第二电感器(Lo,Lc)的降压输出滤波器单元(72),能量存储单元(73)和控制 单元(64),用于控制所述开关元件(60,61)。
    • 10. 发明申请
    • CONVERTER FOR SUPPLYING PULSED POWER TO LIGHT SOURCE
    • 转换器将脉冲电源供应给光源
    • WO2010097752A1
    • 2010-09-02
    • PCT/IB2010/050778
    • 2010-02-23
    • PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHKONINKLIJKE PHILIPS ELECTRONICS N.V.DEPPE, CarstenELFERICH, Reinhold
    • DEPPE, CarstenELFERICH, Reinhold
    • H02M3/337H05B33/08
    • H02M3/337H02M2001/0058H05B33/0818Y02B20/346Y02B70/1491
    • Converters (1) for supplying pulsed power to light sources (8) comprise switching parts (2) and controlling parts (3) for adapting switching parameters of the switching parts (2) for improving a performance. The switching part (2) may comprise first / second switches (41, 42) that are in first / second modes during a first time interval of a cycle and vice versa during a second time intervals of a cycle. A group of cycles results in a pulse of the pulsed power. A switching parameter such as the first time interval of a first cycle may be shortened to reduce overshoot. A switching parameter such as the second time interval of the first cycle may be shortened or lengthened. A switching parameter such as the second time interval of a last cycle may be lengthened or shortened to reduce overshoot. A third switch (93) for switching the light source (8) is activated and de-activated delayedly to improve transient behavior.
    • 用于向光源(8)提供脉冲功率的转换器(1)包括用于调整开关部件(2)的开关参数的开关部件(2)和控制部件(3),以提高性能。 切换部分(2)可以包括在循环的第一时间间隔期间处于第一/第二模式的第一/第二开关(41,42),并且反之亦然,在循环的第二时间间隔期间。 一组循环产生脉冲功率的脉冲。 可以缩短诸如第一周期的第一时间间隔的切换参数以减少过冲。 可以缩短或延长诸如第一周期的第二时间间隔的切换参数。 诸如最后一个周期的第二时间间隔的切换参数可以被延长或缩短以减少过冲。 用于切换光源(8)的第三开关(93)被激活并被延迟地去激活以改善瞬态行为。