The railway transportation manufacturing space is very spacious, the height is also high, and the central air conditioning equipment is not suitable for such space due to product limitations and high cost. Charip wind large fan low speed and large air volume, driving the flow of air in the space in an all-round way, generating continuous, three-dimensional circulation wind. The large area of natural wind flow accelerates the evaporation rate of sweat on the human body surface in the space, and achieves the cooling effect of the human body.