Natural wind/warm wind dual-purpose electric circulation fan

Abstract

The invention discloses a natural wind / warm wind dual-purpose electric circulation fan. The fan includes a fan body shell (10), a pedestal assembly (70) for bearing the fan body shell, and a grillingor mesh front cover (60). The inside of the fan body shell successively includes a motor (20), a wind-guiding ring (30), a heat-generating body assembly (40) and a fan blade (50) from back to front ina coaxial line manner; the front part of the fan body shell is a wind channel (11), and the rear part, the bottom surface and the surface of the normal periphery of the central axis of the fan body shell are grilling or mesh wind intake structures; when the fan runs, the rear part of the wind blade can let wind in from the grilling or mesh fan body shell in radial and axial directions no matter the fan is used as the natural wind electric circulation fan or used as the warm wind electric circulation fan, so that enough wind amount can be guaranteed; and as the restriction effect of the wind channel, longer wind supply distance can be realized. The fan can choose the natural wind or the warm wind for use; and both working conditions can achieve the wind output and wind supply distance of natural wind electric circulation fans in the prior art, so that equipment use efficiency can be greatly enhanced, and large occupying space can be prevented from purchasing two pieces of equipment.

Description

technical field [0001] The present invention relates to a pumping device in which the working fluid is air, in particular to an air-conditioning fan provided with a heat-generating medium in which the air is in direct contact with the heat-generating medium, especially to an air-conditioning fan with a relatively large air inlet area, thereby increasing the amount of natural wind blowing out Natural wind / heating dual-purpose electric circulation fan. Background technique [0002] Prior Art Circulation Fan, see Figure 4 , is an electric circulation fan for blowing natural wind, equipped with axial flow blades, and an annular air duct is arranged around the radially forward part of the fan blades, or a part of the cylindrical shell is used as an air duct. During operation, the radial and axial air behind the fan blades enters the air from the grille or the mesh-shaped fuselage shell to ensure sufficient air volume, and due to the restriction of the air duct, a longer air supp...

AI Technical Summary

Problems solved by technology

During operation, natural air is inhaled from the grille or mesh at the rear corresponding to the air duct at the rear of the fuselage shell to ensure sufficient air volume for heat-generating components to dissipate heat, but the air volume and air supply distance and other indicators are far lower It is suitable for the natural wind power circulation fan with blades of the same diameter, so it is not suitable to be used as an ordinary natural wind power circulation fan

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