High-efficiency energy-saving fan blade structure

Abstract

The application relates to a high-efficiency energy-saving fan blade structure, which comprises a hub and a plurality of blades installed on the hub, the blade surface is provided with a plurality of concave lines, and a convex reinforcing rib is arranged between the blade and the hub. The application has the effect of improving the air volume under the condition of equal power.

Description

Technical Field

[0001] This application relates to the field of wind turbine equipment, and in particular to a high-efficiency and energy-saving wind turbine blade structure. Background Technology

[0002] Wind turbine blades are one of the core components of a wind turbine, directly affecting the efficiency of wind energy capture.

[0003] The fan blades are connected to the motor via the fan hub and are driven to rotate by the motor. During the rotation, the fan blades can push the air to flow and thus generate wind. However, at high speed or high load, the smooth surface of the fan blades may result in poor airflow adhesion, which can easily separate and form eddies, increasing energy loss and thus reducing the air volume. Utility Model Content

[0004] To increase airflow, this application provides a high-efficiency and energy-saving fan blade structure.

[0005] The high-efficiency and energy-saving fan blade structure provided in this application adopts the following technical solution:

[0006] A high-efficiency and energy-saving fan blade structure includes a hub and several blades mounted on the hub. The surface of the blades is provided with several recessed textures, and raised reinforcing ribs are provided between the blades and the hub.

[0007] By adopting the above technical solution, the smoothness of the blade surface is changed by the concave texture and the raised reinforcing ribs, thereby improving the airflow adhesion, reducing the probability of gas separating from the blade and forming vortices, thus reducing energy loss and increasing air volume under the same energy consumption. The reinforcing ribs can also strengthen the connection between the blade and the hub.

[0008] Optionally, the reinforcing rib is installed on the wheel hub, and the blade is detachably installed on the reinforcing rib.

[0009] By adopting the above technical solution, the detachable blades can ensure the normal use of the high-efficiency and energy-saving wind turbine blade structure by replacing the damaged blades when they are damaged, without having to replace the entire wind turbine blade structure when the blades are damaged, thus saving resources.

[0010] Optionally, the hub is provided with a number of rotating platforms that rotate circumferentially, the number of which is the same as the number of blades, and the reinforcing ribs are fixed on the rotating platforms respectively.

[0011] By adopting the above technical solution, the rotating platform can be set up to easily adjust the blade angle, thereby adjusting the amount of air pushed by the blades according to actual needs and regulating the airflow.

[0012] Optionally, a drive gear is mounted on the rotating platform, a rotating ring is rotatably mounted on the hub, and an annular gear ring is mounted on the rotating ring, the annular gear ring meshing with the drive gear.

[0013] By adopting the above technical solution, the rotating ring drives the ring gear, which in turn drives the drive gear to achieve synchronous adjustment of all blades, thus facilitating blade adjustment.

[0014] Optionally, the rotating ring is provided with a drive groove.

[0015] By adopting the above technical solution, the drive groove is used to provide gripping space, thereby facilitating the rotation adjustment of the rotating ring.

[0016] Optionally, a fixing bolt is threaded onto the rotating ring, and the fixing bolt passes through the rotating ring and abuts against the hub.

[0017] By adopting the above technical solution, the fixing bolts are used to reinforce the rotating ring, reducing the probability of the rotating ring rotating due to external force.

[0018] In summary, this application includes at least one of the following beneficial technical effects:

[0019] 1. By altering the smoothness of the blade surface through recessed textures and raised reinforcing ribs, the adhesion of airflow is improved, the probability of gas separating from the blade and forming vortices is reduced, thereby reducing energy loss and increasing airflow under the same energy consumption. The reinforcing ribs can also strengthen the connection between the blade and the hub.

[0020] 2. The detachable blades allow for the replacement of damaged blades to ensure the normal operation of the high-efficiency and energy-saving fan blade structure, saving resources by eliminating the need to replace the entire fan blade structure when a blade is damaged;

[0021] 3. The rotating platform allows for easy adjustment of the blade angle, thereby adjusting the amount of air propelled by the blades according to actual needs and regulating the airflow.

[0022] 4. The rotating ring drives the ring gear, which in turn drives the drive gear to achieve synchronous adjustment of all blades, facilitating blade adjustment. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0024] Figure 2 This is a cross-sectional view of the overall structure of an embodiment of this application.

[0025] Explanation of reference numerals in the attached drawings: 1. Hub; 2. Blade; 3. Texture; 4. Reinforcing rib; 5. Rotating platform; 6. Drive gear; 7. Rotating ring; 8. Annular gear ring; 9. Drive groove; 10. Fixing bolt; 11. Mounting hole. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1-2 This application will be described in further detail.

[0027] First, it should be noted that in the description of this application, the use of directional terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" indicates the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used solely for descriptive purposes and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the use of numerical quantifiers such as "first," "second," and "third" is for descriptive purposes only and should not be construed as indicating or implying relative importance. Additionally, in this application, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, interference fits, transition fits, or integral connections; they can refer to direct connections or indirect connections through an intermediate medium. Therefore, those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0028] This application discloses a high-efficiency and energy-saving fan blade structure, referring to... Figure 1 The device includes a cylindrical hub 1 and several blades 2 mounted around the hub 1. A mounting hole 11 is provided in the center of the hub 1 for mounting the motor shaft. In this embodiment, five blades 2 are provided. Several recessed textures 3 are provided on the surface of the blades 2. A raised reinforcing rib 4 is provided between the blades 2 and the hub 1. The smoothness of the surface of the blades 2 is changed by the recessed textures 3 and the raised reinforcing rib 4, thereby improving the airflow adhesion, reducing the probability of gas separating from the blades 2 to form vortices, thereby reducing energy loss and increasing the air volume under the same energy consumption. The reinforcing rib 4 can also strengthen the connection strength between the blades 2 and the hub 1.

[0029] Reference Figure 1 and Figure 2The hub 1 is circumferentially rotatable and has several rotating platforms 5, the number of which is the same as the number of blades 2. Reinforcing ribs 4 are fixed to the rotating platforms 5 and mounted to the hub 1 via the rotating platforms 5. The blades 2 are detachably mounted to the reinforcing ribs 4 via bolts. This detachable configuration allows for replacement of damaged blades, ensuring the normal operation of the high-efficiency, energy-saving fan blade structure without requiring replacement of the entire blade structure, thus saving resources. The rotating platforms 5 facilitate adjustment of the blade angle, allowing for adjustment of the air volume driven by the blades according to actual needs. A drive gear 6 is mounted on the rotating platform 5; in this embodiment, the drive gear 6 is a bevel gear. A rotating ring 7 is rotatably mounted on the hub 1, and an annular gear ring 8 is mounted on the rotating ring 7. The annular gear ring 8 meshes with the drive gear 6. The rotation of the rotating ring 7 drives the annular gear ring 8, which in turn drives the drive gear 6 to achieve synchronous adjustment of all blades 2, facilitating blade adjustment.

[0030] Reference Figure 1 and Figure 2 The rotating ring 7 has a drive groove 9, which provides a gripping space to facilitate the rotation adjustment of the rotating ring 7. The rotating ring 7 is threaded with a fixing bolt 10, which passes through the rotating ring 7 and abuts against the hub 1. The fixing bolt 10 is used to reinforce the rotating ring 7 and reduce the probability of the rotating ring 7 rotating due to external force.

[0031] The implementation principle of this application embodiment is as follows: the blade 2 is installed on the reinforcing rib 4 by bolts, and then the angle of the blade 2 is adjusted by gripping the drive groove 9. After the angle of the blade 2 is adjusted, the fixing bolt 10 is tightened. Then the roller with the blade 2 is installed on the motor shaft to complete the installation of the wind turbine structure.

[0032] It should be noted that the above embodiments are only used to illustrate this application and are not intended to limit the technical solutions described in this application. Although this specification has described this application in detail with reference to the above embodiments, those skilled in the art should understand that they can still make modifications or equivalent substitutions to this application. All technical solutions and improvements that do not depart from the spirit and scope of this application should be covered within the scope of the claims of this application.

Claims

1. A high-efficiency and energy-saving wind turbine blade structure, comprising a hub (1) and a plurality of blades (2) mounted on the hub (1), characterized in that: The blade (2) has several recessed textures (3) on its surface, and a raised reinforcing rib (4) is provided between the blade (2) and the hub (1).

2. The high-efficiency and energy-saving fan blade structure according to claim 1, characterized in that: The reinforcing rib (4) is installed on the hub (1), and the blade (2) is detachably installed on the reinforcing rib (4).

3. The high-efficiency and energy-saving fan blade structure according to claim 2, characterized in that: The hub (1) is provided with several rotating platforms (5) for circumferential rotation. The number of rotating platforms (5) is the same as the number of blades (2). The reinforcing ribs (4) are fixed on the rotating platforms (5).

4. The high-efficiency and energy-saving fan blade structure according to claim 3, characterized in that: A drive gear (6) is installed on the rotating platform (5), and a rotating ring (7) is rotatably arranged on the hub (1). An annular gear ring (8) is arranged on the rotating ring (7), and the annular gear ring (8) meshes with the drive gear (6).

5. The high-efficiency and energy-saving fan blade structure according to claim 4, characterized in that: The rotating ring (7) is provided with a drive groove (9).

6. The high-efficiency and energy-saving fan blade structure according to claim 5, characterized in that: A fixing bolt (10) is threaded onto the rotating ring (7), and the fixing bolt (10) passes through the rotating ring (7) and abuts against the hub (1).

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