Axial flow fan structure and axial flow fan
A technology of axial flow wind and fan blades, which is applied to components of pumping devices for elastic fluids, non-variable pumps, machines/engines, etc., and can solve problems such as the inability to improve the performance of axial flow fans as a whole. Achieve the effect of improving fan vibration, increasing cooling capacity and reducing noise
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[0023] The solution of the embodiment of the present invention is mainly as follows: at least five V-shaped sawtooth grooves with different sizes and non-continuous arrangement are arranged on the trailing edge of the fan blade, the bottom point of each V-shaped sawtooth groove and the two ends of the trailing edge are in a straight line, and at the same time Optimize the linear distance and arc length between the V-shaped sawtooth groove and the end point of the fan blade trailing edge to improve the air volume and efficiency of the axial fan, reduce fan noise and design costs, so that the axial fan can be used in air conditioners When the outdoor unit is on, the cooling capacity, heating capacity and energy efficiency ratio of the air conditioner can be improved.
[0024] like figure 1 as shown, figure 1 It is a structural schematic diagram of a preferred embodiment of the axial flow wind wheel structure of the present invention; an axial flow wind wheel structure proposed ...
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