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    • 1. 发明申请
    • AC/DC CONVERTER WITH GALVANIC INSULATION AND SIGNAL CORRECTOR
    • 交流/直流转换器与电声绝缘和信号校正器
    • WO2013023925A3
    • 2013-10-10
    • PCT/EP2012065071
    • 2012-08-01
    • SAGEM DEFENSE SECURITEKITTEL RIES LISANDRAPONTRUCHER MARCDOMBLIDES NICOLASFOURMONT TONY
    • KITTEL RIES LISANDRAPONTRUCHER MARCDOMBLIDES NICOLASFOURMONT TONY
    • H02M3/335
    • H02M3/33507H02M1/4258H02M3/33523H02M3/33546H02M2001/0009
    • The invention relates to an AC/DC converter comprising, at the inlet thereof, a rectifier circuit connected in series to a primary winding (5) of an isolating transformer (6) and to a splitting switch (T1) controlled by a control circuit (10) by pulse-width modulation of a signal representing a primary current, the isolating transformer comprising a first secondary winding (7) in the same direction as the primary winding and connected to an output line (8) of the converter via a diode (D4) and a filter coil (L1), and a secondary winding (9) in the opposite direction to the primary winding and directly connected to the output line via a diode (D2), the output line being connected to an output capacitor (Cout). The converter comprises an analog circuit for correction of the primary current, which is connected to the control circuit and to a measuring element (30) that supplies a signal representing the primary current and is arranged so as to transform said signal into a triangular signal able to control the control circuit.
    • 本发明涉及一种AC / DC变换器,其在其入口处包括与隔离变压器(6)的初级绕组(5)串联连接的整流器电路和由控制电路控制的分离开关(T1) 10)通过对表示初级电流的信号进行脉宽调制,所述隔离变压器包括与所述初级绕组处于相同方向的第一次级绕组(7),并经由二极管(8)连接到所述转换器的输出线路(8) D4)和滤波器线圈(L1);以及次级绕组(9),其与初级绕组相反,并且经由二极管(D2)直接连接到输出线,输出线连接到输出电容器(Cout )。 该转换器包括用于校正初级电流的模拟电路,其连接到控制电路和测量元件(30),该测量元件提供表示初级电流的信号并且被布置成将所述信号转换成能够提供三角形信号 来控制控制电路。