Electricity taking circuit of power battery of electric vehicle

The utility model discloses an electricity-taking circuit of a power battery of an electric automobile. The electricity-taking circuit comprises a charging gun head which is in physical connection with the electric automobile for electric power and communication; the inverter circuit takes electricity from the power battery of the electric vehicle through the charging gun head, inverts direct current of the power battery of the electric vehicle into alternating current and outputs the alternating current through the power supply port; the main control MCU is used for monitoring and controlling the inverter circuit; the auxiliary control MCU is in communication with the electric vehicle through the charging gun head, is in communication connection with the main control MCU and is used for performing auxiliary control on the power taking circuit; the auxiliary power supply takes electricity from a power battery of the electric vehicle through the charging gun head and supplies power to the interior of the elect