Patent ID: 7688026

Claim:
An energy storage mobile charging adapter comprising: a plastic housing, an AC/DC isolated converter circuit board ( 3 ) and a charging adapter circuit board ( 5 ); wherein output terminals of the AC/DC isolated converter circuit board ( 3 ) are connected with input terminals of the charging adapter circuit board ( 5 ), a commercial plug ( 1 ) is connected with input terminals of the AC/DC isolated converter circuit board ( 3 ), the energy storage mobile charging adapter is characterized in that: a lithium chargeable battery ( 2 ) is electrically connected to the output terminals of the AC/DC isolated converter circuit board ( 3 ) and the input terminals of the charging adapter circuit board ( 5 ), and the charging adapter plug ( 6 ) is electrically connected to output terminals of the charging adapter circuit board ( 5 ); and the energy storage mobile charging adapter is characterized in that, in the AC/DC isolated converter circuit board ( 3 ), a commercial power flows through safety resistors (F 1 ), (F 2 ), and a rectifier and a filter ( 4 D) and (C 1 ) and then is divided into two routes, one route is connected a collector of a transistor (Q 2 ) through a primary coil of an isolating transformer (B 1 ), the other route is connected to a base of the transistor (Q 2 ) through a resistor (R 1 ), a positive feedback coil in the isolating transformer (B 1 ) is connected to the base of the transistor (Q 2 ) through a capacitor (C 3 ), a capacitor (C 2 ), a resistor (R 2 ) and a resistor (R 3 ), a secondary coil of the isolating transformer (B 1 ), an induced current of a secondary coil of the isolating transformer (B 1 ) is outputted though a rectifier and a filter (D 3 ) and (C 5 ).