Sensor window pollution prevention structure of microwave oven

摘要

The present invention relates to a microwave oven equipped with an infrared sensor for sensing the temperature of the food being heated or cooked in the cavity, in particular that the contamination of the sensor window caused by steam or oil generated from the food after cooking is completed. A sensor window pollution prevention structure of a microwave oven is provided.;The present invention provides a sensor case provided with a sensor window facing the cavity sensor hole on the outside of the cavity sensor hole, and a fan for supplying strong wind toward the cavity sensor hole on the outside of the cavity, the cavity in the cavity sensor hole A sensor hole blocking plate is formed to enable the opening and closing of the sensor. The sensor hole blocking plate is opened by the solenoid to open the cavity sensor hole when the cooking operation is completed. The sensor hole blocking plate is returned to the original cavity sensor hole closing position by the spring force, which prevents water vapor or oil inside the cavity from sticking to the sensor window when cooking is completed, thereby eliminating contamination of the sensor window. There is this.