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Core material structure and fan blade

A technology for wind turbine blades and core materials, which is applied in the field of wind power generation and can solve the problems of complex processing procedures and low flexibility

Pending Publication Date: 2022-06-28
YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although these methods can reduce the waste of pouring materials to a certain extent, the flexibility of these slotting methods is low, and the processing procedures are relatively complicated

Method used

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  • Core material structure and fan blade
  • Core material structure and fan blade
  • Core material structure and fan blade

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Embodiment Construction

[0031] In the following description, the present invention is described with reference to various examples. However, one skilled in the art will recognize that the various embodiments may be practiced without one or more of the specific details or with other alternative and / or additional methods, materials or components. In other instances, well-known structures, materials, or operations are not shown or described in detail so as not to obscure the concepts of the present invention. Similarly, for purposes of explanation, specific quantities, materials and configurations are set forth in order to provide a thorough understanding of the embodiments of the invention. However, the invention is not limited to these specific details. Furthermore, it is to be understood that the various embodiments shown in the drawings are illustrative representations and have not necessarily been drawn to correct scale.

[0032] In the present invention, unless otherwise specified, "arranged on,...

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Abstract

The invention discloses a core material structure. The core material structure comprises a main body and grooves distributed in the main body, wherein the grooves comprise at least one first groove which is formed in the first surface of the main body and extends in the length direction of the fan blade; and the at least one second groove is formed in the first surface of the main body and extends in the chordwise direction of the fan blade.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to a core material structure and a fan blade. Background technique [0002] The wind turbine blade is the key component in the wind turbine. The key components are the main beam, the trailing edge beam, the web and the shell. The shell is a sandwich structure composed of core material and upper and lower skins. The proportion is the largest, and the core material in the sandwich structure is one of the key materials of the fan blade. [0003] In the process of manufacturing wind turbine blades, in order to ensure the infusion effect of the core material and improve its mechanical properties, it is usually necessary to perform processing such as slotting and punching, so that the resin can smoothly flow in it during the infusion process, and The skins laid on the upper and lower surfaces are infiltrated, and after co-curing, a sandwich structure with significantly impr...

Claims

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Application Information

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IPC IPC(8): F03D1/06
CPCF03D1/0675F05B2240/302Y02E10/72
Inventor 张靖婧马豪张向阳眭建军孙建旭
Owner YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD
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