Patent ID: 8110779

Claim:
A door lock control device in a heating cooker comprising: a cooker body having a heating chamber formed therein; an open/close door that can close an opening of the heating chamber; a drive motor that drives a lock member for alternately locking and unlocking the open/close door and switches between a lock position and an unlock position; and a circuit that supplies power to the drive motor, wherein the circuit comprises: a motor control relay being turned on to lock or unlock the door when the drive motor is driven; a detection switch that switches between a lock side and an unlock side according to the lock position and the unlock position occupied by the lock member respectively, and a lock detection and thermal switch portion that is connected in series on the lock side of the detection switch with a thermal switch that is opened when a temperature inside the heating chamber is equal to or higher than a predetermined temperature, and on the unlock side of the detection switch directly, and the lock side and the unlock side are joined thereafter, wherein the motor control relay and the lock detection and thermal switch portion are connected in series with a power supply line to the drive motor, respectively.