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    • 1. 发明申请
    • A SUPPLY CIRCUIT FOR SUPPLYING A LOAD
    • 用于提供负载的电源电路
    • WO2010095070A2
    • 2010-08-26
    • PCT/IB2010/050552
    • 2010-02-08
    • PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHKONINKLIJKE PHILIPS ELECTRONICS N.V.SAUERLAENDER, Georg, S.
    • SAUERLAENDER, Georg, S.
    • H02M1/32
    • H02M1/32
    • Supply circuits (1) for supplying loads (40) are provided with rectification circuits (20) comprising first AC terminals (2) for exchanging first AC signals with AC sources (50) and comprising second AC terminals (3) for exchanging second AC signals with the loads (40) and with protection circuits (30) for protecting the loads (40) against spikes. The protection circuits (30) comprise inputs (6) for receiving first DC signals from first DC terminals (4) of the rectification circuits (20) and comprise outputs (7) for providing second DC signals to second DC terminals (5) of the rectification circuits (20). These supply circuits (1) have relatively fast responses. The protection circuits (30) may comprise detector circuits (31) for detecting values of (parts of) the first DC signals crossing threshold values and limiter circuits (32) for, in response to detection results, limiting values of the second DC signals. The rectification circuits (20) may comprise four diodes (21-24).
    • 用于提供负载(40)的供电电路(1)设置有整流电路(20),其包括用于与AC源(50)交换第一AC信号的第一AC端子(2),并且包括用于交换第二AC信号的第二AC端子 具有负载(40)和用于保护负载(40)抵抗尖峰的保护电路(30)。 保护电路(30)包括用于从整流电路(20)的第一直流端(4)接收第一直流信号的输入(6),并且包括用于向第二直流端(5)提供第二直流信号的输出(7) 整流电路(20)。 这些电源电路(1)具有相对较快的响应。 保护电路(30)可以包括检测器电路(31),用于检测跨越阈值的第一DC信号(部分)和限制器电路(32)的值,用于响应于检测结果,第二DC信号的限制值。 整流电路(20)可以包括四个二极管(21-24)。
    • 2. 发明申请
    • HARMONIC COMPENSATION CIRCUIT AND METHOD FOR AN LED LIGHT UNIT
    • 谐波补偿电路和LED灯组件的方法
    • WO2009153696A1
    • 2009-12-23
    • PCT/IB2009/052417
    • 2009-06-08
    • PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHKONINKLIJKE PHILIPS ELECTRONICS N. V.SAUERLAENDER, Georg, S.
    • SAUERLAENDER, Georg, S.
    • H02J3/01G05F1/70H05B33/08
    • H02J3/01H05B33/0815Y02E40/40
    • The present invention relates to a harmonic compensation circuit for compensating at least the third harmonic in the input current (I mains ) drawn by an LED light source (1) from a mains voltage supply (2), comprising: a signal input (21, 22) for receiving a first input signal proportional to the input voltage (V in ) of said LED light source (1) and a second input signal (V sh ) proportional to the LED current (I LED ) of said LED light source (1), a signal output (25) for outputting a compensation current (Icomp), a processing unit (24a, 24b) for comparing said second input signal (V sh ) to a reference signal (V Rb , V R7 ) and for generating said compensation current (I comp ) based on said comparison, the sum of said compensation current (I comp ) and said LED current (I LED ) being proportional to the input voltage (V in ) of said LED light source (1) and said compensation current (I comp ) being provided for minimizing at least the third harmonic in the input current (I mains ) drawn by said LED light source (1) from said mains voltage supply (2).
    • 谐波补偿电路技术领域本发明涉及一种谐波补偿电路,用于至少补偿由LED光源(1)从电源电压(2)引出的输入电流(Imains)中的三次谐波,包括:信号输入端 ),用于接收与所述LED光源(1)的输入电压(Vin)成比例的第一输入信号和与所述LED光源(1)的LED电流(ILED)成比例的第二输入信号(Vsh),信号 用于输出补偿电流(Icomp)的输出(25),用于将所述第二输入信号(Vsh)与参考信号(VRb,VR7)进行比较并用于产生所述补偿电流(Icomp)的处理单元(24a,24b) 所述比较,所述补偿电流(Icomp)和所述LED电流(ILED)与所述LED光源(1)的输入电压(Vin)和所述补偿电流(Icomp)成比例的和被提供用于使至少 由所述LED灯所绘制的输入电流(Imains)中的三次谐波 (1)从电源电压(2)。
    • 3. 发明申请
    • A SUPPLY CIRCUIT FOR SUPPLYING A LOAD
    • 供应负载的电源电路
    • WO2010095070A3
    • 2010-10-28
    • PCT/IB2010050552
    • 2010-02-08
    • PHILIPS INTELLECTUAL PROPERTYKONINKL PHILIPS ELECTRONICS NVSAUERLAENDER GEORG S
    • SAUERLAENDER GEORG S
    • H02M1/32
    • H02M1/32
    • Supply circuits (1) for supplying loads (40) are provided with rectification circuits (20) comprising first AC terminals (2) for exchanging first AC signals with AC sources (50) and comprising second AC terminals (3) for exchanging second AC signals with the loads (40) and with protection circuits (30) for protecting the loads (40) against spikes. The protection circuits (30) comprise inputs (6) for receiving first DC signals from first DC terminals (4) of the rectification circuits (20) and comprise outputs (7) for providing second DC signals to second DC terminals (5) of the rectification circuits (20). These supply circuits (1) have relatively fast responses. The protection circuits (30) may comprise detector circuits (31) for detecting values of (parts of) the first DC signals crossing threshold values and limiter circuits (32) for, in response to detection results, limiting values of the second DC signals. The rectification circuits (20) may comprise four diodes (21-24).
    • 用于提供负载(40)的供电电路(1)设置有整流电路(20),所述整流电路包括用于与AC源(50)交换第一AC信号的第一AC端子(2),并且包括用于交换第二AC信号 与负载(40)和用于保护负载(40)防止尖峰的保护电路(30)。 保护电路(30)包括用于从整流电路(20)的第一直流端子(4)接收第一直流信号的输入端(6),并且包括用于向第二直流端子(5)提供第二直流信号的输出端 整流电路(20)。 这些供电电路(1)具有相对较快的响应。 保护电路(30)可以包括检测器电路(31),用于检测第一DC信号(的部分)与阈值相交的值和限制器电路(32),用于响应检测结果限制第二DC信号的值。 整流电路(20)可以包括四个二极管(21-24)。