Patent ID: 8074637

Claim:
A high frequency heating apparatus with a range hood having an opening for exhausting air and a cover for closing the opening, comprising: a heating chamber for accommodating an object to be heated therein; a heating unit for heating the object to be heated; a cooling unit for cooling the heating unit; a microcomputer control unit for controlling the heating unit and an automatic opening/closing operation of the cover; a control panel for setting an operation of the apparatus; a display unit for displaying a control status; and a detecting unit for detecting an exhaust direction of a blower, wherein the exhaust direction of the blower alternates between indoor circulation and outdoor ventilation; wherein the control unit opens the cover only when the detected exhaust direction of the blower is the indoor circulation and the cooling unit is stopped; and wherein the control unit closes the cover when the detected exhaust direction of the blower is the outdoor ventilation or the cooling unit operates.