Energy-saving and consumption-reducing fresh air circulating device for clean room

The utility model discloses an energy-saving consumption-reducing clean room fresh air circulating device which comprises a clean room body, a first connecting pipe is installed above the surface of one end of the clean room body, a heating cavity is installed at one end of the first connecting pipe, a second connecting pipe is installed at one end of the heating cavity, and an air inlet pipeline is installed at one end of the second connecting pipe. An air feeder is fixedly installed in the air inlet pipeline, a filter plate is installed on one side of the air feeder and located in the air inlet pipeline, a cleaning mechanism is installed on the side, close to the air feeder, of the filter plate, and a first sensor is installed on the other side of the air feeder and located above the air inlet pipeline. The air volume of air passing through the filter screen is detected through the second sensor, when the second sensor detects that the air volume of the air passing through the filter screen is too small, th