Heating apparatus of microwave oven

摘要

A heating apparatus of a microwave oven includes: a heater installed at an upper portion of a cooking chamber into which foodstuff is received; a ventilating fan installed at one side of the heater, for circulating air inside the cooking chamber to pass the heater; a panel having a suction hole installed at an upper portion of the cooking chamber, through which the air inside the cooking chamber is sucked into the ventilating fan, and a discharge hole, through which the air which has passed the heater is again supplied to the cooking chamber; and an air guide unit mounted at an upper side of the panel, for guiding an air flow from the ventilating fan to the heater.