Wind wheel wind guide device of wind generating set

By designing the wind wheel wind guide device of the wind turbine unit, using the carefully designed air flow path is optimized, the problem that traditional wind wheels cannot effectively capture wind energy in low wind speed or unstable wind direction environments is solved, and efficient wind energy capture is achieved and improve power generation efficiency.

CN222478853UActive Publication Date: 2025-02-14DAYAO YUNNENG NEW ENERGY DEV CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420985235.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-02-14
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

Traditional wind wheel designs cannot effectively capture wind energy in environments with low wind speeds or unstable wind directions, resulting in reduced wind power generation efficiency and reliability.

Method used

A wind wheel wind guide device for wind turbines is designed, including cover plate, fixing ring, bracket, rotating shaft, blade, ball, reinforcement rib, connector, ring hollow plate, base and air guide plate, through carefully designed guide The wind structure optimizes the air flow path and improves the concentration and acceleration of wind energy.

Benefits of technology

The device can efficiently rotate the wind wheel under low wind speed, significantly improving the wind power generation capacity and overall power generation efficiency of the wind turbine, improving the stability and reliability of the system, extending the service life of the equipment and reducing maintenance cost.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222478853U_ABST
    Figure CN222478853U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of wind power generation, and discloses a wind wheel wind guide device of a wind generating set, which comprises a cover plate, a fixing ring, a support, a rotating shaft, blades, balls, reinforcing ribs, a connecting piece, an annular hollow plate, a base and a wind guide plate, the wind wheel is driven to rotate to generate power. According to the wind wheel wind guide device of the wind generating set, through the well-designed wind guide structure such as the wind guide plate and the annular hollow plate, natural wind can be effectively concentrated and accelerated to flow to the wind wheel through the wind wheel wind guide device, and the concentrated wind energy enables the wind wheel to efficiently rotate even under the condition that the wind speed is low; and the wind energy capturing capacity and the overall power generation efficiency of the wind generating set are remarkably improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of wind power generation, in particular to a wind wheel wind guide device of a wind power generator set. Background Art

[0002] The wind rotor wind guide device is an innovative technology used in the field of wind power generation to improve the efficiency of wind energy utilization. Through sophisticated design, it effectively concentrates and guides natural wind energy to the wind rotor to enhance the wind turbine's ability to capture wind energy. This device usually includes wind guide plates, rotating shafts, blades and other components. It uses aerodynamic principles to optimize the wind flow path and accelerate the wind speed, so that the wind rotor is subjected to greater wind force and rotates more efficiently. Especially in an environment with low wind speed or unstable wind direction, the wind rotor wind guide device can significantly improve the stability and power generation of wind power generation, which is of great significance to improving the economy and feasibility of wind power projects.

[0003] Traditional wind rotor designs often fail to fully consider the guidance and concentration of wind flow, resulting in insufficient wind energy capture. Especially in complex terrain or urban environments, wind flow is affected by surrounding buildings or terrain, resulting in increased instability in wind speed and direction, which in turn affects power generation efficiency and system reliability. In addition, traditional wind rotor designs often pursue structural simplification and cost control, neglecting the effective management and utilization of wind energy, resulting in greatly reduced performance under non-ideal wind conditions. Utility Model Content

[0004] The utility model aims to provide a wind wheel wind guide device for a wind turbine generator set, so as to solve the problem that the traditional wind wheel mentioned in the above background technology cannot effectively capture wind energy.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wind wheel wind guide device of a wind turbine generator set, the wind wheel wind guide device of the wind turbine generator set comprises a cover plate, a fixing ring, a bracket, a rotating shaft, blades, balls, reinforcing ribs, a connecting piece, an annular hollow plate, a base and a wind guide plate, a fixing ring is arranged on the lower side of the cover plate, the cover plate is a circular ring with a hollow middle, a bracket is arranged between the cover plate and the fixing ring, the bracket is arranged around the cover plate, a rotating shaft is arranged at the center position of the bracket, the cover plate provides covering protection for the top of the device to prevent the wind flow entering directly from the top from interfering with the rotating shaft and blades, and also protects the internal components from the influence of the external environment, the fixing ring surrounds the cover plate, provides additional stable structural support for the device, ensures the stable connection between the wind guide device and the wind wheel, the bracket connects the fixing ring and the rotating shaft, provides solid support for the rotating shaft, ensures that it can rotate stably under the action of wind, and the rotating shaft is the central axis of the blade rotation, transmits wind energy to the blades, drives the wind wheel to rotate and generates electricity.

[0006] Preferably, a plurality of blades are arranged around the rotating shaft, and the blades are square. A plurality of balls are arranged between the rotating shaft and the blades. The blades directly capture part of the wind energy, and their design shape and structure determine the wind capture efficiency and rotational power. The balls are located at the connection between the rotating shaft and the blades to reduce friction when the blades rotate and ensure that the blades can rotate smoothly.

[0007] Preferably, a plurality of reinforcing ribs are provided at one end of the blade close to the rotating shaft. The reinforcing ribs are long metal sheets. The reinforcing ribs enhance the structural strength of the blade to prevent deformation or damage of the blade in strong winds.

[0008] Preferably, a connecting piece is provided at the bottom of the rotating shaft, and the connecting piece is connected to the wind turbine components. An annular hollow plate is provided at the lower end of the fixing ring. The connecting piece connects the rotating shaft and the blades to ensure stable installation and effective force transmission between the blades and the rotating shaft. The annular hollow plate position helps to guide the wind flow evenly through the blades while providing structural support.

[0009] Preferably, a base is provided on the lower side of the annular hollow plate, and the base is in the shape of a circular ring with a hollow middle. The base provides a stable installation foundation for the entire air guide device, ensuring the stability of the device under various environmental conditions.

[0010] Preferably, a plurality of wind guide plates are arranged around the annular hollow plate, and the angle between the wind guide plates and the annular hollow plate is the tangent of the circle. The wind guide plates are used to effectively guide the direction of wind flow to ensure that wind energy is efficiently delivered to the blades.

[0011] Preferably, the positions between the adjacent air guide plates and close to the annular hollow plates are air ducts, and several air ducts are interconnected.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The wind turbine wind guide device of the wind turbine can effectively concentrate and accelerate the natural wind to flow to the wind turbine through the carefully designed wind guide structure, such as the wind guide plate and the annular hollow plate. This concentrated wind energy enables the wind turbine to rotate efficiently even under low wind speed conditions, significantly improving the wind turbine's ability to capture wind energy and overall power generation efficiency;

[0014] 2. The wind turbine wind guide device optimizes the utilization of wind energy and reduces the loss of wind energy during the conversion process by effectively managing and guiding the wind flow. This optimization not only increases the amount of electricity generated per unit of wind energy, but also helps to improve the operating stability and reliability of the generator set, thereby extending the service life of the equipment and reducing maintenance costs;

[0015] 3. The wind turbine's rotor wind guide device is designed with different wind conditions and environmental factors in mind, including wind speed changes and wind direction variability. This adaptability allows the wind turbine to be deployed and effectively operated in a wider range of geographical locations and environmental conditions, especially in cities or complex terrains where traditional wind power generation is inefficient, thereby expanding the scope of application of wind power generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the blade module structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the air guide plate module of the utility model;

[0019] Figure 4 This is a schematic diagram of the blade structure of the utility model;

[0020] Figure 5 For this utility model Figure 4 A is an enlarged view of the middle image.

[0021] In the figure: 1. cover plate; 2. fixing ring; 3. bracket; 4. rotating shaft; 5. blade; 6. ball bearing; 7. reinforcing rib; 8. connecting piece; 9. annular hollow plate; 10. base; 11. air guide plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5The utility model provides a technical solution: a wind wheel wind guide device of a wind turbine generator set, the wind wheel wind guide device of the wind turbine generator set comprises a cover plate 1, a fixing ring 2, a bracket 3, a rotating shaft 4, a blade 5, a ball 6, a reinforcing rib 7, a connecting piece 8, an annular hollow plate 9, a base 10 and an air guide plate 11, a fixing ring 2 is arranged on the lower side of the cover plate 1, the cover plate 1 is a circular ring with a hollow middle, a bracket 3 is arranged between the cover plate 1 and the fixing ring 2, the bracket 3 is arranged around the cover plate 1, and a rotating shaft 4 is arranged at the center position of the bracket 3, the cover plate 1 is located at the top of the device, and is connected to the bracket 3 through the fixing ring 2 on the lower side thereof to form the main structure of the device, the cover plate 1 is designed as a circular ring shape with a hollow middle, allowing wind energy to pass freely, and the fixing ring 2 provides stable support for it, the bracket 3 surrounds the cover plate 1 and supports the rotating shaft 4 at its center position.

[0024] Several blades 5 are arranged around the rotating shaft 4. The blades 5 are square. A plurality of ball bearings 6 are arranged between the rotating shaft 4 and the blades 5. Several reinforcing ribs 7 are arranged at one end of the blade 5 close to the rotating shaft 4. The reinforcing ribs 7 are long metal sheets. A connecting piece 8 is arranged at the bottom of the rotating shaft 4. The connecting piece 8 is connected to the wind turbine components. An annular hollow plate 9 is arranged at the lower end of the fixing ring 2. This rotating shaft is the installation base point of the blades 5. The blades 5 are arranged around the rotating shaft 4 and adopt a square design to maximize the area for capturing wind energy. Ball bearings 6 are installed between the rotating shaft 4 and the blades 5 to reduce friction during rotation and ensure the smoothness of the blade rotation. The reinforcing ribs 7 at one end of the blade 5 close to the rotating shaft 4 enhance the structural stability of the blade and resist distortion or deformation caused by wind. The bottom of the rotating shaft 4 is connected to other components of the wind turbine through the connecting piece 8, so that the entire wind wheel wind guide device can effectively convert wind energy into rotational power to drive the generator to generate electricity. The annular hollow plate 9 at the lower end of the fixing ring 2 further stabilizes the structure.

[0025] A base 10 is provided on the lower side of the annular hollow plate 9. The base 10 is a circular ring with a hollow center. Several wind guide plates 11 are provided around the annular hollow plate 9. The angle between the wind guide plates 11 and the annular hollow plate 9 is the tangent of the circle. The position between adjacent wind guide plates 11 close to the annular hollow plate 9 is an air duct, and several air ducts are connected. The base 10 is also a circular ring with a hollow center, providing a solid foundation for the entire device. The wind guide plates 11 around the annular hollow plate 9 are designed to be the tangent angle of the circle. This arrangement forms several air ducts, which can effectively guide wind to the blades 5. The air ducts formed between adjacent wind guide plates 11 close to the annular hollow plate 9 not only accelerate the wind flow, but also ensure the uniform distribution of wind energy.

[0026] Working principle: the cover plate 1 is located at the top of the device and is connected to the bracket 3 through the fixing ring 2 on the lower side to form the main structure of the device. The cover plate 1 is designed as a circular ring with a hollow middle, allowing wind energy to pass freely. At the same time, the fixing ring 2 provides stable support for it. The bracket 3 surrounds the cover plate 1 and supports the shaft 4 at its center. This shaft is the installation base point of the blade 5. The blade 5 is arranged around the shaft 4 and adopts a square design to maximize the area for capturing wind energy. Ball bearings 6 are installed between the shaft 4 and the blade 5 to reduce friction during rotation and ensure the smoothness of the blade rotation. The reinforcing rib 7 at one end of the blade 5 close to the shaft 4 enhances the structural stability of the blade and resists distortion or deformation caused by wind. The bottom of the shaft 4 is connected by The connector 8 is connected to other components of the wind turbine, so that the entire wind wheel wind guide device can effectively convert wind energy into rotational power to drive the generator to generate electricity. The annular hollow plate 9 at the lower end of the fixed ring 2 further stabilizes the structure and is connected to the base 10. The base 10 is also a circular ring with a hollow middle, providing a solid foundation for the entire device. The wind guide plates 11 around the annular hollow plate 9 are designed to be the tangent angle of the circle. This arrangement forms a number of wind ducts, which can effectively guide the wind to the blades 5. The wind ducts formed between adjacent wind guide plates 11 near the annular hollow plate 9 not only accelerate the wind flow, but also ensure the uniform distribution of wind energy, ensuring that each blade can receive sufficient wind force, thereby improving the efficiency and stability of the entire wind power generation system.

[0027] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A wind turbine wind guide device for a wind turbine generator set, the wind turbine wind guide device for a wind turbine generator set comprising a cover plate (1), a fixing ring (2) and a bracket (3), characterized in that: A fixing ring (2) is arranged at the lower side of the cover plate (1), the cover plate (1) is a circular ring with a hollow center, a bracket (3) is arranged between the cover plate (1) and the fixing ring (2), the bracket (3) is arranged around the cover plate (1), a rotating shaft (4) is arranged at the center position of the bracket (3), an annular hollow plate (9) is arranged at the lower end of the fixing ring (2), a base (10) is arranged at the lower side of the annular hollow plate (9), the base (10) is a circular ring with a hollow center, a plurality of air guide plates (11) are arranged around the annular hollow plate (9), the angle between the air guide plates (11) and the annular hollow plate (9) is a tangent of the circle, the position between adjacent air guide plates (11) close to the annular hollow plate (9) is an air duct, and the plurality of air ducts are connected.

2. The wind wheel wind guide device of a wind turbine generator set according to claim 1, characterized in that: A plurality of blades (5) are arranged around the rotating shaft (4); the blades (5) are square in shape; and a plurality of balls (6) are arranged between the rotating shaft (4) and the blades (5).

3. The wind wheel wind guide device of a wind turbine generator set according to claim 2, characterized in that: A plurality of reinforcing ribs (7) are provided at one end of the blade (5) close to the rotating shaft (4), and the reinforcing ribs (7) are long metal sheets.

4. The wind wheel wind guide device of a wind turbine generator set according to claim 1, characterized in that: A connecting piece (8) is provided at the bottom of the rotating shaft (4), and the connecting piece (8) is connected to wind turbine components.