Dual-frequency self-adaptive power regulation microwave oven

The utility model discloses a double-frequency self-adaptive power regulation microwave oven which comprises a power supply detection controller and a magnetron, and the power supply detection controller comprises a main control circuit, a power supply frequency detection circuit and a double-frequency driving circuit; the input end of the power supply frequency detection circuit is connected with the power supply input end of the microwave oven, and the output end of the power supply frequency detection circuit is connected to the frequency identification port of the main control circuit for converting a detected power supply AC signal into a frequency signal and sending the frequency signal to the main control circuit; the dual-frequency driving circuit is controlled by the main control circuit to drive the magnetron in a first frequency mode or a second frequency mode according to the identified frequency signal, and the magnetron has the same output power under the driving of the first frequency mode and