AC / DC microwave oven with automatic switching of input power and control method

摘要

An AC / DC combined microwave oven having an input power automatic switching function and a control method thereof are disclosed. The present invention provides a high voltage output by receiving a rotary AC conversion means for converting the DC power of the battery into an AC power by the rotation of the commutator, and the AC power converted from the rotary AC conversion means or normal commercial AC power. In the microwave combined AC / DC microwave oven having a high voltage transformer and a magnetron that is driven by a high voltage output from the high voltage transformer to emit microwaves, the input of the input through the voltage or current of the respective DC power supply and commercial AC power supply An input power detector for detecting a power source and a microcomputer to sense the voltage detected by the input power detector to selectively operate the DC power side power relay or the commercial AC power side power relay. Accordingly, by automatically detecting a plurality of input power and selecting any desired input power accordingly, the microwave is efficiently driven, thereby preventing the input of each AC or DC power at the same time, and overcurrent flowing in the high voltage transformer. In addition to preventing the malfunction of the device and to improve the convenience and safety of use.