The hot air circulating oven air circulation system adopts a fan circulating air supply mode, and the air circulation is uniform and efficient. The wind source is driven by the circulating air supply motor (using the non-contact switch) to drive the wind wheel through the heater, and the hot air is sent out, and then the air is taken into the air chamber through the air passage, and then the used air is sucked into the air passage to be recirculated as a wind source. Use for heating. Ensure indoor temperature uniformity. When the temperature value swings due to the operation of the switch door, the air circulation system quickly resumes the operation state until the set temperature value is reached.
