An energy-feeding variable constant current value positive and negative pulse fast charging device and method
A positive and negative pulse, fast charging technology, applied in the electrical field, can solve the problems of large instantaneous impact of the battery, unadjustable discharge current, energy waste, etc., to achieve the effect of short charging time, convenient operation, and reducing switching loss
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[0029]The main structure of the energy-feeding variable constant current positive and negative pulse fast charging device of the present invention includes an air switch 1, an EMI filter circuit 2, a full-bridge rectification filter circuit 3, a power factor correction circuit 4, and a battery charge and discharge management main circuit 5, The first voltage detection circuit 6, the second voltage detection circuit 7, the current transformer 8, the first auxiliary power supply 9, the second auxiliary power supply 10, the controller 11, the comparison conditioning circuit 12, the first optocoupler 13, the second optocoupler Coupler 14, single-chip microcomputer control circuit 15, bias circuit 16, drive circuit 17 and display circuit 18; air switch 1 is connected to an external 220V AC, and the 220V AC passes through air switch 1, EMI filter circuit 2, and full-bridge rectifier filter circuit in sequence 3 and a power factor correction circuit 4, wherein the EMI filter circuit 2...
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