Fan blade and air conditioner

By setting a wing-shaped flow guide at the junction of the axial flow blade and the outer rim of the air blade, the problems of air flow dispersion and eddy current noise during the operation of the air blade are solved, and a smoother air flow and noise reduction effect is achieved.

CN119687032APending Publication Date: 2025-03-25NINGBO AUX ELECTRIC CO LTD
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Patent Information

Application Number
CN202311197315.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-15
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

The existing air blades disperse severely during operation, resulting in poor air flow and vortex flow, which makes it very noise and affects the air volume.

Method used

A wing-shaped flow guide is provided at the joint between the tail edge of the axial flow blade and the outer rim of the air blade. By reducing the pressure difference between the pressure surface and the suction surface, the air flow state is improved, and the air flow separation and vortex formation are suppressed.

Benefits of technology

By reducing air flow disorders and improving the aura distribution, the air flow is smoother, reducing noise and increasing air output.

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Abstract

The embodiment of the invention provides a fan blade and an air conditioner, and relates to the field of air conditioners. The fan blade comprises a hub and a plurality of axial flow blades arranged in the circumferential direction of the hub at intervals. Each axial flow blade is provided with a front edge located on the windward side, a tail edge located on the leeward side, an outer edge connected to the front edge and the tail edge and a blade root. The roots of the blades are connected with the hub. And a wing-shaped flow guide part is arranged at the joint of the tail edge and the outer wheel edge. The problem that airflow dispersion in the blade operation process affects the smoothness of air flowing can be solved, and therefore the air outlet amount can be increased, and noise can be reduced.
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