Wind power blade, wind generating set and wind power blade forming method

By providing a reinforcement assembly in the inner cavity of the wind power blade, extending in the chord direction and spaced from the leading edge end and trailing edge auxiliary beam of the blade body, the problem of increasing blade weight in the prior art is solved, the chord rigidity and deformation resistance of the blade are improved, the risk of damage is reduced and the power generation efficiency is improved.

CN119755000AActive Publication Date: 2025-04-04SINOMATECH WIND POWER BLADE
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Patent Information

Application Number
CN202411885604.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-04-04
Estimated Expiration
2044-12-19

AI Technical Summary

Technical Problem

The prior art improves chord rigidity and deformation resistance by increasing the core material thickness or fiber material usage of the blade shell, resulting in a significant increase in the weight of the blade, affecting the power generation efficiency of the wind turbine.

Method used

A wind power blade is designed, which includes a blade body and a reinforcement rib structure. The reinforcement rib structure is arranged in the inner cavity of the blade, extends in the chord direction, and is arranged at intervals from the leading edge end and trailing edge auxiliary beam of the blade body to improve the chord rigidity and deformation resistance of the blade while reducing the weight of the blade.

Benefits of technology

By increasing the chord rigidity and deformation resistance of the blade, the risk of damage to the blade during operation is reduced, while reducing the weight of the blade and improving the power generation efficiency of the wind turbine.

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Abstract

The invention relates to the technical field of wind power equipment, in particular to a wind power blade, a wind generating set and a wind power blade forming method. The wind power blade comprises a blade body and a reinforcing rib structure. The blade body comprises a shell, a web plate and a trailing edge auxiliary beam, and the web plate and the trailing edge auxiliary beam are arranged in a blade inner cavity defined by the shell and are arranged at intervals in the chordwise direction of the blade body; the reinforcing rib structure is arranged in the blade inner cavity and comprises a reinforcing rib assembly, and the reinforcing rib assembly extends in the chordwise direction; reinforcing rib assemblies are arranged on at least one side of the web plate in the chordwise direction, the reinforcing rib assemblies, the front edge end of the blade body and the rear edge auxiliary beam are arranged at intervals, and the reinforcing rib assemblies are arranged on at least part of the inner wall face of the shell in an attached mode, connected with the shell and close to the blade root of the blade body relative to the blade tip of the blade body. According to the wind power blade, the damage risk can be reduced, the weight is reduced, and therefore the power generation efficiency of a wind generating set is improved.
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