High-strength light fan blade

By introducing an adjustment mechanism on the fan blades and adjusting the angle of the fan blades according to the size of the wind force, the problem of poor rotation effect due to small wind force is solved, and the wind power utilization rate and power generation efficiency are improved.

CN222208157UActive Publication Date: 2024-12-20LUOYANG DONGBEI NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202420326734.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-22
Publication Date
2024-12-20
Estimated Expiration
2034-02-22

AI Technical Summary

Technical Problem

The existing fan blades have little rotation effect when the wind is low, and the wind is prone to slide off the side, resulting in low wind utilization and affecting power generation efficiency.

Method used

A high-strength light-duty fan blade is designed, and the adjustment mechanism is used to adjust the wind receiving surface of the fan blade. The angle of the fan blade is adjusted according to the wind size through the servo motor and gear system to prevent the wind from sliding away from the periphery of the fan blade and increase the wind force. Utilization.

Benefits of technology

It effectively improves the utilization rate of wind power, increases the rotation frequency of the vertical axis, and improves the efficiency of wind power generation.

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Patent Text Reader

Abstract

A high-strength light fan blade relates to the technical field of wind power generation and is characterized in that fan blades arranged at equal intervals are mounted on a rod body, adjusting ends of the fan blades are positioned in the rod body, an adjusting mechanism is mounted in the rod body, and a transmission end of the adjusting mechanism is in meshed connection with the adjusting ends of the fan blades; the input end of the adjusting mechanism is electrically connected with the output end of the conductive sliding ring, the position of the central axis of the fan blades coincides with the position of the central axis of the rod body, the fan blade frame bodies are arranged on the rod body at equal intervals and fixedly connected with the rod body, and fan blade areas and supporting areas are arranged on the fan blade frame bodies; according to the high-strength light fan blade, the wind receiving face of the fan blade is adjusted through the adjusting mechanism, the fan blade is effectively adjusted according to the magnitude of wind power, the fan blade can better rotate along with the wind, the wind is prevented from sliding away from the periphery of the fan blade, the utilization rate of the wind power is effectively improved, and the rotating frequency of a vertical shaft is increased; and the power generation efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of wind power generation, in particular to a high-strength and light-weight wind turbine blade. Background Art

[0002] In the process of wind power generation, electricity is mainly generated by wind turbine blades, which convert wind energy into electrical energy and are driven to rotate by natural wind. Existing wind turbine blades are propeller-shaped, and are overall slender and heavy. They cannot be driven to rotate when the wind is weak.

[0003] Existing fan blades, such as the vertical fan blade module of the wind turbine disclosed in Publication (Announcement) No.: CN201635923U, have curved blades, and the wind can easily slide away from the edges, and the rotation effect is not obvious, especially in the case of low wind force. Utility Model Content

[0004] In order to overcome the deficiencies in the background technology, the utility model discloses a high-strength and lightweight fan blade. The utility model adjusts the wind-receiving surface of the fan blade through an adjusting mechanism, and effectively adjusts the fan blade according to the size of the wind force, so that the fan blade can rotate better with the wind, avoiding the wind from slipping away from the periphery of the fan blade, effectively improving the utilization rate of the wind force, increasing the rotation frequency of the vertical axis, and improving the efficiency of power generation.

[0005] In order to achieve the purpose of the utility model, the utility model adopts the following technical solutions:

[0006] A high-strength light wind turbine blade comprises a rod body, in which a conductive slip ring is installed, on which blades arranged equidistantly are installed, and the adjusting ends of the blades are located in the rod body, an adjusting mechanism is installed in the rod body, and the transmission end of the adjusting mechanism is meshedly connected with the adjusting end of the blade, and the input end of the adjusting mechanism is electrically connected with the output end of the conductive slip ring.

[0007] The position of the central axis of the fan blade coincides with the position of the central axis of the rod body.

[0008] The fan blades include a fan blade frame, a rotating rod, a transmission blade, a gear and a fixed rod. The fan blade frame is equidistantly arranged on the rod body and fixedly connected. The fan blade frame is provided with a fan blade area and a support area. The support area of ​​the fan blade frame is fixedly connected with equidistantly arranged fixed rods, and the fixed rod is rotatably connected with the rotating rod. One end of the rotating rod is located in the fan blade area of ​​the fan blade frame and is rotatably connected to the frame wall of the fan blade area. The other end of the rotating rod passes through the rod body and the gear, and the gear is meshed with the transmission end of the adjusting mechanism. The rotating rod is fixedly connected with a transmission blade, and the transmission blade is located in the fan blade area of ​​the fan blade frame.

[0009] The position of the central axis of the adjustment mechanism coincides with the position of the central axis of the rod body.

[0010] The adjustment mechanism includes a fixed block, a servo motor, a sliding frame and a screw rod. The fixed blocks are equidistantly arranged in the rod body and fixedly connected, and the servo motor is fixedly connected to the fixed block. The servo motor is connected to the screw rod through a motor shaft. The sliding frame is equidistantly arranged in the frame body and slidably connected. The sliding frame corresponds to the screw rod and is threadedly connected. The sliding frame is provided with equidistantly arranged gear teeth, and the sliding frame is meshed with the gear through the gear teeth.

[0011] The servo motor is fixedly connected with two sliding rods, and the top ends of the two sliding rods are fixedly connected with the inner wall of the top end of the frame body. The positions of the sliding rods correspond to the position of the sliding frame and are slidably connected.

[0012] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0013] The utility model discloses a high-strength and light fan blade, which adjusts the wind receiving surface of the fan blade through an adjusting mechanism, and effectively adjusts the fan blade according to the size of the wind force, so that the fan blade can rotate better with the wind, and avoids the wind from slipping away from the periphery of the fan blade, thereby effectively improving the utilization rate of the wind force, increasing the rotation frequency of the vertical axis, and improving the efficiency of power generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model;

[0017] 1. Rod body; 2. Fan blade; 201. Fan blade frame; 202. Rotating rod; 203. Transmission blade; 204. Gear; 205. Fixed rod; 3. Adjusting mechanism; 301. Fixed block; 302. Servo motor; 303. Sliding frame; 304. Screw; 4. Conductive slip ring. DETAILED DESCRIPTION

[0018] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0019] Combined with Figures 1 to 3The high-strength lightweight wind turbine blade comprises a rod body 1, and a conductive slip ring 4 is installed in the rod body 1, and blades 2 arranged equidistantly are installed on the rod body 1, and the adjustment end of the blade 2 is located in the rod body 1, and an adjustment mechanism 3 is installed in the rod body 1, and the transmission end of the adjustment mechanism 3 is meshed and connected with the adjustment end of the blade 2, and the force surface of the blade 2 is adjusted by the adjustment mechanism 3, the input end of the adjustment mechanism 3 is electrically connected to the output end of the conductive slip ring 4, and the electrical equipment in the adjustment mechanism 3 is electrically connected to the main control equipment through the conductive slip ring 4, and the main control equipment supplies power to the electrical equipment in the adjustment mechanism 3 through the conductive slip ring 4 and controls the electrical equipment in the adjustment mechanism 3 to work.

[0020] The position of the central axis of the fan blade 2 coincides with the position of the central axis of the rod body 1 .

[0021] The fan blade 2 includes a fan blade frame 201, a rotating rod 202, a transmission blade 203, a gear 204 and a fixed rod 205. The fan blade frame 201 is equidistantly arranged on the rod body 1 and fixedly connected. The fan blade frame 201 is provided with a fan blade area and a support area. The support area of ​​the fan blade frame 201 is fixedly connected with equidistantly arranged fixed rods 205, and the fixed rod 205 is rotatably connected with the rotating rod 202. One end of the rotating rod 202 is located in the fan blade area of ​​the fan blade frame 201 and is rotatably connected to the frame wall of the fan blade area. The other end of the rotating rod 202 passes through the rod body 1 and the gear 204. The gear 204 is meshed with the transmission end of the adjustment mechanism 3. The transmission blade 203 is fixedly connected to the rotating rod 202, and the transmission blade 203 is located in the fan blade area of ​​the fan blade frame 201.

[0022] The position of the central axis of the adjusting mechanism 3 coincides with the position of the central axis of the rod body 1 .

[0023] The adjustment mechanism 3 includes a fixed block 301, a servo motor 302, a sliding frame 303 and a screw rod 304. The fixed block 301 is equidistantly arranged in the rod body 1 and fixedly connected, and the servo motor 302 is fixedly connected to the fixed block 301. The servo motor 302 is connected to the screw rod 304 through a motor shaft. The sliding frame 303 is equidistantly arranged in the frame body 1 and slidably connected. The sliding frame 303 corresponds to the screw rod 304 and is threadedly connected. The sliding frame 303 is provided with equidistantly arranged gear teeth, and the sliding frame 303 is meshed with the gear 204 through the gear teeth.

[0024] The servo motor 302 is fixedly connected to two sliding rods, and the top ends of the two sliding rods are fixedly connected to the inner wall of the top end of the frame 1. The positions of the sliding rods correspond to the position of the sliding frame 303 and are slidably connected. The sliding rods limit the movement trajectory of the sliding frame 303.

[0025] The high-strength light wind turbine blade is installed on the main pole of the wind power station by the staff when in use, and the control end and the power supply end of the conductive slip ring 4 in the rod body 1 are connected to the main control device. The staff starts the servo motor 302 through the main control device according to the size of the wind force, drives the screw 304 to rotate through the servo motor 302, drives the sliding frame 303 to move up and down through the screw 304, drives the gear 204 to rotate through the movement of the sliding frame 303, drives the rotating rod 202 to rotate through the gear 204, changes the angle of the transmission blade 203 through the rotating rod 202, and adjusts the wind-bearing surface of the fan blade 2 by changing the angle of the transmission blade 203, thereby increasing the rotation frequency of the high-strength light wind turbine blade.

[0026] The parts of the present invention that are not described in detail are prior art. Although the present invention is specifically demonstrated and introduced in conjunction with the preferred implementation scheme, there are many methods and ways to implement the technical solution. The above is only a preferred implementation scheme of the present invention. However, technical personnel in the relevant field should understand that various changes can be made to the present invention in form and details without departing from the spirit and scope of the present invention as defined in the attached claims, which are all within the scope of protection of the present invention.

Claims

1. A high-strength, lightweight wind turbine blade, comprising a rod body (1), wherein a conductive slip ring (4) is installed in the rod body (1), wherein: The rod body (1) is provided with equidistantly arranged fan blades (2), and the adjusting end of the fan blade (2) is located inside the rod body (1). An adjusting mechanism (3) is installed inside the rod body (1), and the transmission end of the adjusting mechanism (3) is meshingly connected with the adjusting end of the fan blade (2), and the input end of the adjusting mechanism (3) is electrically connected with the output end of the conductive slip ring (4).

2. The high-strength and lightweight wind turbine blade according to claim 1 is characterized in that: The position of the central axis of the fan blade (2) coincides with the position of the central axis of the rod body (1).

3. The high-strength and lightweight wind turbine blade according to claim 1 is characterized in that: The fan blade (2) comprises a fan blade frame (201), a rotating rod (202), a transmission blade (203), a gear (204) and a fixed rod (205); the fan blade frame (201) is equidistantly arranged on the rod body (1) and is fixedly connected to the rod body (1); a fan blade area and a support area are provided on the fan blade frame (201); the support area of ​​the fan blade frame (201) is fixedly connected to the fixed rods (205) arranged equidistantly, and the fixed rods (205) are rotatably connected to the rotating rods. A movable rod (202), one end of the rotating rod (202) is located in the blade area of ​​the blade frame (201) and is rotatably connected to the frame wall of the blade area, the other end of the rotating rod (202) passes through the rod body (1) and is connected to a gear (204), the gear (204) is meshingly connected to the transmission end of the adjustment mechanism (3), and a transmission blade (203) is fixedly connected to the rotating rod (202), and the transmission blade (203) is located in the blade area of ​​the blade frame (201).

4. The high-strength and lightweight wind turbine blade according to claim 1 is characterized in that: The position of the central axis of the adjustment mechanism (3) coincides with the position of the central axis of the rod body (1).

5. The high-strength and lightweight wind turbine blade according to claim 1 is characterized in that: The adjustment mechanism (3) comprises a fixed block (301), a servo motor (302), a sliding frame (303) and a screw rod (304); the fixed block (301) is equidistantly arranged in the rod body (1) and fixedly connected to the rod body (1); the servo motor (302) is fixedly connected to the fixed block (301); the servo motor (302) is connected to the screw rod (304) via a motor shaft; the sliding frame (303) is equidistantly arranged in the rod body (1) and slidably connected to the rod body (1); the sliding frame (303) corresponds to the screw rod (304) and is threadedly connected; the sliding frame (303) is provided with gear teeth equidistantly arranged, and the sliding frame (303) is meshedly connected to the gear (204) via the gear teeth.

6. The high-strength and lightweight wind turbine blade according to claim 5 is characterized in that: The servo motor (302) is fixedly connected to two sliding rods, and the top ends of the two sliding rods are fixedly connected to the inner wall of the top end of the rod body (1). The positions of the sliding rods correspond to the position of the sliding frame (303) and are slidably connected.