Cooking device

A cooking device comprising:

• an induction heating module including a case, a cover plate coupled with the case to form an inner space, a heating area formed on an upper plate portion of the cover plate, a working coil disposed in the inner space at a position corresponding to the heating area, a power supply unit configured to supply power to the working coil, and a control unit configured to control power supply to the working coil by applying a control signal to the power supply unit;
• and
• a knob module configured to set a heating power level or a cooking time of the heating area,
• wherein the knob module includes:
• a knob to which the heating power level is assigned, the knob rotating in a first direction or a second direction, corresponding to each rotational position, and being set to have preset intervals;
• a knob ring which returns to an initial position thereof after being moved in the first direction or the second direction, and increases or decreases the cooking time by a preset adjustment unit;
• and
• a display unit which is formed at one side of the knob ring and displays the heating power level or the cooking time.