High-performance composite glass fiber wind power plate
By introducing a triangular support structure consisting of a main beam, web, and load-bearing columns into the wind turbine panels, and combining it with carbon fiber materials, the stress concentration problem of wind turbine panels under extreme wind loads was solved, achieving structural stability and lightweight design, and improving power generation efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 山西宇德新材料科技有限公司
- Filing Date
- 2025-05-29
- Publication Date
- 2026-05-01
AI Technical Summary
Existing wind turbine panels are prone to stress concentration, deformation, or even fracture under extreme wind loads, affecting the safe operation of the unit. Furthermore, as the single-unit capacity of wind turbines increases and the length of the rotor blades increases, the wind turbine load increases, reducing power generation efficiency.
The main beam, web, transverse load-bearing columns, and vertical load-bearing columns are formed by a triangular structure. Combined with carbon fiber reinforced composite materials, the structural strength and stiffness of the wind turbine panels are enhanced, ensuring the stability of the blades under extreme wind conditions.
It improves the structural stability and load-bearing capacity of wind turbine plates, reduces blade weight, lowers wind turbine load, and improves power generation efficiency.
Smart Images

Figure CN224183916U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wind power sheet technology, specifically a high-performance composite fiberglass wind power sheet. Background Technology
[0002] High-performance composite fiberglass wind turbine panels are a new type of material made by combining fiberglass as the core reinforcing material with a resin matrix, such as epoxy resin or polyester resin, through a composite process. They are specifically designed for high-load and weather-resistant applications such as wind turbine blades.
[0003] Existing wind turbine plates are prone to stress concentration, deformation, and even breakage when subjected to extreme wind loads during actual operation, which seriously affects the safe operation of the unit. In addition, as the single unit capacity of wind turbines continues to increase, the length of wind turbine blades is also getting longer, which increases the wind turbine load and reduces power generation efficiency. Utility Model Content
[0004] This invention provides a high-performance composite fiberglass wind turbine sheet material, which has the advantages of enhancing the ability of wind turbine sheet material to withstand wind loads and bending moments, and ensuring the structural stability of blades under extreme wind conditions. This solves the problem that existing wind turbine sheet materials are prone to stress concentration, deformation, or even breakage when subjected to extreme wind loads during actual operation, which seriously affects the safe operation of the unit. It also addresses the problem that as the single unit capacity of wind turbines continues to increase, the length of wind turbine blades is also getting longer, which increases the wind turbine load and reduces power generation efficiency.
[0005] To enhance the wind turbine sheet's ability to withstand wind loads and bending moments, and to ensure the structural stability of the blades under extreme wind conditions, this utility model provides the following technical solution: a high-performance composite fiberglass wind turbine sheet, comprising a wind turbine sheet, wherein an outer layer structure is installed on the inner wall of the wind turbine sheet, and a middle layer structure is installed on the inner wall of the outer layer structure, wherein:
[0006] The middle layer structure includes a main beam that enhances the structural strength of the wind turbine panels to withstand wind loads and bending moments, and determines the direction of blade flapping.
[0007] The inner wall of the middle layer structure is equipped with a support structure, which includes a web that bears the bending load on the wind turbine plate and improves the overall stiffness of the blade.
[0008] The inner wall of the support structure is equipped with an inner layer structure, which includes transverse and vertical bearing columns for the main load-bearing of the wind turbine panels and for providing blade stiffness.
[0009] As a preferred technical solution of this utility model, the outer structure further includes a shell, which is the outermost layer of the wind turbine panel, and the shell is made of fiberglass. The inner wall of the shell is fixedly connected to the outer surface of the main beam.
[0010] As a preferred technical solution of this utility model, the middle layer structure further includes a triangular structure, wherein there are several triangular structures, and the several triangular structures are arranged in a ring array on the inner wall of the shell.
[0011] As a preferred technical solution of this utility model, several of the triangular structures are fixedly connected to each other to form a main beam. The main beam is made of carbon fiber reinforced composite material. The main beam is disposed between the shell and the supporting structure. The supporting structure also includes connecting columns.
[0012] In a preferred embodiment of this utility model, there are two webs, which are fixedly connected to each other by a number of connecting columns, and the outer surface of the webs is fixedly connected to the inner wall of the main beam.
[0013] As a preferred embodiment of this utility model, there are several transverse bearing columns, which are equidistantly arranged on the inner wall of the web, and each transverse bearing column is fixedly connected to the inner wall of the web.
[0014] As a preferred embodiment of this utility model, there are several vertical bearing columns, which are equidistantly fixedly installed between each horizontal bearing column, and the two ends of each vertical bearing column are fixedly connected to the inner wall of the web.
[0015] Compared with the prior art, this utility model provides a high-performance composite fiberglass wind turbine material, which has the following beneficial effects:
[0016] This high-performance composite fiberglass wind turbine panel, with its triangular structure forming a main beam and supported by the web, transverse bearing columns, and vertical bearing columns, possesses extremely high structural strength, enabling it to withstand large wind loads and bending moments, and ensuring the structural stability of the blades in the flapping direction.
[0017] The main beam is made of carbon fiber reinforced composite material, which has lower density and higher strength compared to traditional materials, enabling a lightweight design for wind turbine panels. This helps reduce blade weight, lower turbine load, and improve power generation efficiency. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the external structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of this utility model;
[0020] Figure 3 This is a schematic diagram of the internal structure of this utility model from another angle;
[0021] Figure 4 This is a schematic diagram of the middle layer structure and inner layer structure of this utility model;
[0022] Figure 5 This utility model provides Figure 3 Enlarged schematic diagram of part A in the middle.
[0023] In the diagram: 1. Wind turbine panel; 2. Outer structure; 20. Shell; 3. Middle structure; 30. Triangular frame; 31. Main beam; 4. Support structure; 40. Web; 41. Connecting column; 5. Inner structure; 50. Horizontal load-bearing column; 51. Vertical load-bearing column. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1
[0025] Please see Figures 1-2 This utility model discloses a high-performance composite fiberglass wind turbine sheet, comprising a wind turbine sheet 1, an outer layer structure 2 installed on the inner wall of the wind turbine sheet 1, and a middle layer structure 3 installed on the inner wall of the outer layer structure 2, wherein:
[0026] The middle structure 3 includes a main beam 31 for reinforcing the wind turbine plate 1 to withstand wind loads and bending moments, and for determining the structural strength of the blade flapping direction;
[0027] The inner wall of the middle structure 3 is equipped with a support structure 4, which includes a web 40 that bears the bending load on the wind turbine plate 1 and improves the overall stiffness of the blade.
[0028] The inner wall of the support structure 4 is equipped with an inner structure 5, which includes a transverse bearing column 50 and a vertical bearing column 51 for the main bearing of the wind turbine plate 1 and to provide blade stiffness.
[0029] The outer structure 2 also includes a shell 20, which is the outermost layer of the wind turbine panel 1. The shell 20 is made of fiberglass, and the inner wall of the shell 20 is fixedly connected to the outer surface of the main beam 31.
[0030] The middle structure 3 also includes a triangular structure 30, which consists of several triangular structures 30 arranged in a ring array on the inner wall of the shell 20.
[0031] The shell 20 is impregnated and cured with resin to form a hard and durable outer structure. The triangular frame 30 is manufactured using carbon fiber reinforced composite material through processes such as molding. Several triangular frames 30 are then assembled in a circular array to form the main beam 31. The main beam 31, as the middle structure 3, will enhance the wind turbine panel 1's ability to withstand wind loads and bending moments. Example 2
[0032] Based on the above embodiment 1, please refer to Figures 3-5 Several triangular structures 30 are fixedly connected to each other to form a main beam 31. The main beam 31 is made of carbon fiber reinforced composite material. The main beam 31 is located between the shell 20 and the support structure 4. The support structure 4 also includes a connecting column 41.
[0033] There are two web plates 40, which are fixedly connected to each other by several connecting columns 41. The outer surface of the web plate 40 is fixedly connected to the inner wall of the main beam 31.
[0034] There are several transverse bearing columns 50, which are equidistantly arranged on the inner wall of the web 40, and each transverse bearing column 50 is fixedly connected to the inner wall of the web 40.
[0035] There are several vertical support columns 51, which are fixedly installed at equal intervals between each horizontal support column 50. The two ends of the vertical support columns 51 are fixedly connected to the inner wall of the web plate 40.
[0036] Using composite materials and through processes such as molding, two webs 40 and several connecting columns 41 are manufactured. The two webs 40 are fixedly connected to each other by the connecting columns 41 to form a support structure 4. The support structure 4 will be used to bear the bending load on the wind turbine blade 1 and improve the overall stiffness of the blade. Transverse bearing columns 50 and vertical bearing columns 51 are manufactured using metal materials or composite materials and through processes such as machining. The transverse bearing columns 50 are equidistantly installed on the inner wall of the webs 40, and several vertical bearing columns 51 are fixedly installed equidistantly between each transverse bearing column 50 to form an inner layer structure 5. The inner layer structure 5 will be used for the main load bearing of the wind turbine blade 1 and to provide blade stiffness.
[0037] The working principle and usage process of this utility model are as follows: Prepare raw materials such as glass fiber, carbon fiber, and resin that meet quality standards.
[0038] Outer structure production: The shell 20 is impregnated and cured with resin to form a rigid and durable outer structure. The triangular frames 30 are manufactured using carbon fiber reinforced composite materials and through processes such as molding to produce several triangular frames 30. These triangular frames 30 are assembled in a circular array to form the main beam 31. The main beam 31, as the middle structure 3, will enhance the wind turbine panel 1's ability to withstand wind loads and bending moments.
[0039] Support structure production: Manufacturing webs 40 and connecting columns 41: Using composite materials, two webs 40 and several connecting columns 41 are manufactured through processes such as mold forming. The two webs 40 are then fixedly connected to each other via the connecting columns 41 to form the support structure 4. The support structure 4 will be used to bear the bending load on the wind turbine blade 1, improving the overall stiffness of the blade.
[0040] Inner structure production: Transverse load-bearing columns 50 and vertical load-bearing columns 51 are manufactured using metal or composite materials and through machining and other processes. The transverse load-bearing columns 50 are equidistantly installed on the inner wall of the web 40, and the vertical load-bearing columns 51 are fixedly installed equidistantly between each transverse load-bearing column 50, forming the inner structure 5. The inner structure 5 will be used for the main load-bearing of the wind turbine plate 1 and to provide blade stiffness.
[0041] Assembly and Integration: The outer structure 2, middle structure 3, supporting structure 4, and inner structure 5 are assembled according to design requirements to form a complete wind turbine panel 1. The assembled wind turbine panel 1 undergoes necessary debugging and testing to ensure its performance meets design requirements.
Claims
1. A high-performance composite fiberglass wind turbine material, comprising a wind turbine material (1), wherein an outer layer structure (2) is installed on the inner wall of the wind turbine material (1), characterized in that: The inner wall of the outer structure (2) is fitted with a middle structure (3), wherein: The middle structure (3) includes a main beam (31) for reinforcing the wind turbine plate (1) to withstand wind loads and bending moments, and for determining the structural strength of the blade flapping direction. The inner wall of the middle layer structure (3) is equipped with a support structure (4), which includes a web (40) that bears the bending load on the wind turbine plate (1) and improves the overall stiffness of the blade. The inner wall of the support structure (4) is equipped with an inner structure (5), which includes a transverse bearing column (50) and a vertical bearing column (51) for the main bearing of the wind turbine plate (1) and to provide blade stiffness.
2. The high-performance composite fiberglass wind turbine material according to claim 1, characterized in that: The outer structure (2) also includes a shell (20), which is the outermost layer of the wind turbine plate (1). The shell (20) is made of fiberglass, and the inner wall of the shell (20) is fixedly connected to the outer surface of the main beam (31).
3. The high-performance composite fiberglass wind turbine material according to claim 2, characterized in that: The middle layer structure (3) also includes a triangular structure (30), which consists of several triangular structures (30) arranged in a ring array on the inner wall of the shell (20).
4. The high-performance composite fiberglass wind power panel of claim 3, wherein: Several of the triangular structures (30) are fixedly connected to each other to form a main beam (31). The main beam (31) is made of carbon fiber reinforced composite material. The main beam (31) is located between the shell (20) and the support structure (4). The support structure (4) also includes a connecting column (41).
5. The high-performance composite fiberglass wind turbine sheet according to claim 1, characterized in that: There are two web plates (40), and the two web plates (40) are fixedly connected to each other by several connecting columns (41). The outer surface of the web plate (40) is fixedly connected to the inner wall of the main beam (31).
6. The high-performance composite fiberglass wind turbine material according to claim 5, characterized in that: There are several transverse bearing columns (50), and the several transverse bearing columns (50) are equidistantly arranged on the inner wall of the web plate (40). Each transverse bearing column (50) is fixedly connected to the inner wall of the web plate (40).
7. The high-performance composite fiberglass wind turbine sheet according to claim 5, characterized in that: There are several vertical support columns (51), and several vertical support columns (51) are fixedly installed at equal intervals between each horizontal support column (50). The two ends of the vertical support columns (51) are fixedly connected to the inner wall of the web plate (40).