Novel multilayer ventilation waveguide window

The utility model discloses a novel multilayer ventilation waveguide window, including positive square wire otter board, be provided with a plurality of square through hole on the positive square wireotter board, just be provided with outline around the positive square wire otter board, outline sets up the inside at the waveguide window frame, the right -hand member of positive square wire otterboard is provided with the shielding tuber pipe, shielding tuber pipe " L " type for invering, the inside of shielding tuber pipe is provided with fan, absorbing material layer, honeycomb otter boardand filter screen, the right -hand member of positive square wire otter board is provided with the fan, the right -hand member of fan is provided with absorbing material layer, absorbing material layer sets up the right angle department at the shielding tuber pipe, just absorbing material layer's lower extreme is provided with the honeycomb otter board, be provided with a plurality of cellular through hole on the honeycomb