A fan efficiency device
Patent Information
- Application Number
- CN202521646221.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-05
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-08-05
AI Technical Summary
[0004]为了弥补以上不足,本实用新型提供了一种风机增效设备,旨在改善气流紊乱、湍流损失增加的状况,显著降低风机气动效率,同时不均匀的载荷分布会加速叶片磨损,缩短设备使用寿命的问题
1、本实用新型中,通过支撑框、第一电机、第一转动柱、第一齿轮、第一调节板、第二齿轮、第二转动柱、第二调节板和固定框之间的相互配合,能够优化气流分布,减少湍流和能量损失,直接提升风机气动效率,同时能降低运行噪声并减轻叶片负荷,延长设备使用寿命。
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Figure CN224664903U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the fields of fluid dynamics and aerodynamics, and in particular to a fan efficiency enhancement device. Background Technology
[0002] During the design process of a wind turbine, the actual operating efficiency may be lower than the theoretical value due to factors such as deviations between theoretical calculations and actual conditions, and limitations in design concepts. Wind turbine efficiency enhancement equipment can improve the operating efficiency of the wind turbine by optimizing airflow and other methods to better match the actual working conditions. Therefore, a wind turbine efficiency enhancement equipment is needed.
[0003] Wind turbine efficiency enhancement equipment is a device or system that improves the operating efficiency of wind turbines, increases power generation, or reduces energy consumption through technical means. In previous technologies, airflow turbulence and increased turbulence losses significantly reduced the aerodynamic efficiency of wind turbines. At the same time, uneven load distribution accelerated blade wear and shortened the service life of the equipment. Utility Model Content
[0004] To overcome the above deficiencies, this utility model provides a fan efficiency enhancement device, which aims to improve the situation of turbulent airflow and increased turbulent loss, significantly reduce the aerodynamic efficiency of the fan, and address the problem that uneven load distribution will accelerate blade wear and shorten the service life of the equipment.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a fan efficiency enhancement device, comprising a support frame, a first motor fixedly connected inside the support frame, a first rotating column fixedly mounted at the output end of the first motor, a first gear fixedly connected to the outer wall of the first rotating column, a fixed frame rotatably connected to the outer wall of the first rotating column, the outer wall of the fixed frame fixedly connected to the outer wall of the support frame, a first adjusting plate fixedly connected to the outer wall of the first rotating column, a second gear meshing with the tooth end of the first gear, a second rotating column fixedly connected inside the second gear, the outer wall of the second rotating column rotatably connected to the inside of the support frame and the fixed frame, a second adjusting plate fixedly connected to the outer wall of the second rotating column, and a drive assembly disposed inside the fixed frame.
[0006] Preferably, the drive assembly includes a second motor, the outer wall of which is fixedly connected to the inside of the fixed frame, and the output end of the second motor is fixedly provided with fan blades.
[0007] Preferably, a fixing box is fixedly connected inside the fixing frame, and a push rod is slidably connected inside the fixing box.
[0008] Preferably, a slider is fixedly connected to the outer wall of the push rod, and the outer wall of the slider is slidably connected to the inner wall of the fixed box.
[0009] Preferably, one end of a spring is fixedly connected to the outer wall of the slider, and the other end of the spring is fixedly connected to the inside of the fixing box.
[0010] Preferably, a first connecting shaft is fixedly connected to the outer wall of the slider, a connecting piece is rotatably connected to the outer wall of the first connecting shaft, a second connecting shaft is rotatably connected to the inside of the connecting piece, and a locking block is fixedly connected to the outer wall of the second connecting shaft.
[0011] Preferably, the card block is internally slidably connected to a slide rail, the outer wall of the slide rail is fixedly connected to the inner wall of the fixing box, and the outer wall of the card block is slidably connected to the inside of the fixing box.
[0012] Preferably, the outer wall of the card block is fitted with a filter screen, the inner wall of the filter screen is attached to the outer wall of the fixing box, and the outer wall of the filter screen is attached to the inner wall of the fixing frame.
[0013] This utility model has the following beneficial effects: 1. In this utility model, through the mutual cooperation between the support frame, the first motor, the first rotating column, the first gear, the first adjusting plate, the second gear, the second rotating column, the second adjusting plate and the fixed frame, the airflow distribution can be optimized, turbulence and energy loss can be reduced, the aerodynamic efficiency of the fan can be directly improved, the operating noise can be reduced and the blade load can be reduced, and the service life of the equipment can be extended.
[0014] 2. In this utility model, through the cooperation between the fixed box, push rod, slider, spring, first connecting shaft, connecting piece, second connecting shaft, card block, slide rail and filter screen, the filter screen can be quickly installed and removed to reduce maintenance downtime, improve operating efficiency, and the modular design ensures clean air intake and extends the life of the fan. Attached Figure Description
[0015] Figure 1 This is a perspective view of a fan efficiency enhancement device proposed in this utility model; Figure 2 This is a partial structural diagram of the fixing frame of a fan efficiency enhancement device proposed in this utility model; Figure 3 This is a cross-sectional schematic diagram of the internal structure of the support frame of a fan efficiency enhancement device proposed in this utility model; Figure 4 This is a cross-sectional view of the internal structure of the fixing box of a fan efficiency enhancement device proposed in this utility model.
[0016] Legend: 1. Support frame; 2. First motor; 3. First rotating column; 4. First gear; 5. First adjusting plate; 6. Second gear; 7. Second rotating column; 8. Second adjusting plate; 9. Fixed frame; 10. Second motor; 11. Fan blade; 12. Fixed box; 13. Push rod; 14. Slider; 15. Spring; 16. First connecting shaft; 17. Connecting piece; 18. Second connecting shaft; 19. Locking block; 20. Slide rail; 21. Filter screen. Detailed Implementation
[0017] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0018] Reference Figure 1 , Figure 2 and Figure 3 This utility model provides an embodiment of a fan efficiency enhancement device, comprising a support frame 1, a first motor 2 fixedly connected inside the support frame 1, a first rotating column 3 fixedly disposed at the output end of the first motor 2, a first gear 4 fixedly connected to the outer wall of the first rotating column 3, a fixed frame 9 rotatably connected to the outer wall of the first rotating column 3, the outer wall of the fixed frame 9 fixedly connected to the outer wall of the support frame 1, a first adjusting plate 5 fixedly connected to the outer wall of the first rotating column 3, a second gear 6 meshing with the tooth end of the first gear 4, a second rotating column 7 fixedly connected inside the second gear 6, the outer wall of the second rotating column 7 rotatably connected to the inside of the support frame 1 and the fixed frame 9, a second adjusting plate 8 fixedly connected to the outer wall of the second rotating column 7, and a drive assembly disposed inside the fixed frame 9; the drive assembly includes a second motor 10, the outer wall of the second motor 10 fixedly connected to the inside of the fixed frame 9, and a fan blade 11 fixedly disposed at the output end of the second motor 10; Specifically, the support frame 1 provides fixed support for the first motor 2, which in turn drives the first rotating column 3 to rotate inside the fixed frame 9. The fixed frame 9 provides auxiliary support and limits for the first rotating column 3, which in turn drives the first adjusting plate 5 for adjustment. Simultaneously, the first rotating column 3 drives the first gear 4, which in turn drives the second gear 6 to rotate. The rotation of the second gear 6 drives the second rotating column 7 to rotate inside the support frame 1 and the fixed frame 9. The support frame 1 and the fixed frame 9 provide auxiliary support and limits for the second rotating column 7, which in turn drives the second adjusting plate 8 for adjustment. At the same time, the second motor 10 drives the fan blade 11 to rotate, directly generating or regulating airflow through rotation.
[0019] Reference Figure 1 and Figure 4 The fixed frame 9 is fixedly connected to the fixed box 12, and the fixed box 12 is slidably connected to the push rod 13; the outer wall of the push rod 13 is fixedly connected to the slider 14, and the outer wall of the slider 14 is slidably connected to the inner wall of the fixed box 12; one end of the spring 15 is fixedly connected to the outer wall of the slider 14, and the other end of the spring 15 is fixedly connected to the inside of the fixed box 12. Specifically, the fixed frame 9 provides fixed support for the fixed box 12, the filter 21 ensures clean air intake and extends the life of the fan, the push rod 13 drives the slider 14 to slide on the inner wall of the fixed box 12, the fixed box 12 limits the slider 14, and the fixed box 12 compresses the spring 15.
[0020] Reference Figure 1 and Figure 4 A first connecting shaft 16 is fixedly connected to the outer wall of the slider 14. A connecting piece 17 is rotatably connected to the outer wall of the first connecting shaft 16. A second connecting shaft 18 is rotatably connected to the inside of the connecting piece 17. A locking block 19 is fixedly connected to the outer wall of the second connecting shaft 18. A slide rail 20 is slidably connected to the inside of the locking block 19. The outer wall of the slide rail 20 is fixedly connected to the inner wall of the fixing box 12. The outer wall of the locking block 19 is slidably connected to the inside of the fixing box 12. A filter screen 21 is snapped onto the outer wall of the locking block 19. The inner wall of the filter screen 21 is attached to the outer wall of the fixing box 12. The outer wall of the filter screen 21 is attached to the inner wall of the fixing frame 9. Specifically, the slider 14 drives the first connecting shaft 16, which in turn drives the connecting piece 17 to move. The connecting piece 17 drives the second connecting shaft 18, which in turn drives the locking block 19 to slide on the outer wall of the slide rail 20 and simultaneously slide inside the fixing box 12. The fixing box 12 provides fixed support for the slide rail 20, and the slide rail 20 and the fixing box 12 limit the locking block 19. The locking block 19 engages inside the filter screen 21, thereby achieving the function of quickly installing or removing the filter screen 21.
[0021] Working principle: When the device is needed, the filter screen 21 is driven to adhere to the inner wall of the fixed frame 9 and the outer wall of the fixed box 12. By pressing the push rod 13, the slider 14 is driven to slide on the inner wall of the fixed box 12. The fixed box 12 compresses the spring 15. The slider 14 drives the first connecting shaft 16, which in turn drives the connecting piece 17 to move. The connecting piece 17 drives the second connecting shaft 18, which in turn drives the locking block 19 to slide on the outer wall of the slide rail 20 and inside the fixed box 12. The locking block 19 then engages with the inside of the filter screen 21, enabling the filter screen 21 to be quickly installed or removed. The second motor 10 drives the fan blades 11, directly generating or regulating airflow through rotation. Simultaneously, the first motor 2 inside the support frame 1 is activated, driving the first rotating column 3 to rotate inside the fixed frame 9. The first rotating column 3 drives the first adjusting plate 5 for adjustment. At the same time, the first rotating column 3 drives the first gear 4, which in turn drives the second gear 6 to rotate. The rotation of the second gear 6 drives the second rotating column 7 to rotate inside the support frame 1 and the fixed frame 9. The second rotating column 7 drives the second adjusting plate 8 for adjustment. This device not only optimizes airflow distribution, reduces turbulence and energy loss, and directly improves the aerodynamic efficiency of the fan, but also reduces operating noise and blade load, extending the service life of the equipment. It also allows for quick installation and removal of the filter screen 21, reducing maintenance downtime and improving operating efficiency. The modular design ensures clean intake air and extends the fan's lifespan.
[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A fan efficiency enhancement device, comprising a support frame (1), characterized in that: A first motor (2) is fixedly connected inside the support frame (1). A first rotating column (3) is fixedly installed at the output end of the first motor (2). A first gear (4) is fixedly connected to the outer wall of the first rotating column (3). A fixed frame (9) is rotatably connected to the outer wall of the first rotating column (3). The outer wall of the fixed frame (9) is fixedly connected to the outer wall of the support frame (1). A first adjusting plate (5) is fixedly connected to the outer wall of the first rotating column (3). A second gear (6) is meshed with the tooth end of the first gear (4). A second rotating column (7) is fixedly connected inside the second gear (6). The outer wall of the second rotating column (7) is rotatably connected inside the support frame (1) and the fixed frame (9). A second adjusting plate (8) is fixedly connected to the outer wall of the second rotating column (7). A drive assembly is installed inside the fixed frame (9).
2. The fan efficiency enhancement device according to claim 1, characterized in that: The drive assembly includes a second motor (10), the outer wall of which is fixedly connected to the inside of the fixed frame (9), and the output end of the second motor (10) is fixedly provided with a fan blade (11).
3. The fan efficiency enhancement device according to claim 1, characterized in that: The fixed frame (9) is fixedly connected to a fixed box (12), and the fixed box (12) is slidably connected to a push rod (13).
4. The fan efficiency enhancement device according to claim 3, characterized in that: The outer wall of the push rod (13) is fixedly connected to a slider (14), and the outer wall of the slider (14) is slidably connected to the inner wall of the fixed box (12).
5. The fan efficiency enhancement device according to claim 4, characterized in that: One end of a spring (15) is fixedly connected to the outer wall of the slider (14), and the other end of the spring (15) is fixedly connected to the inside of the fixing box (12).
6. The fan efficiency enhancement device according to claim 5, characterized in that: The outer wall of the slider (14) is fixedly connected to a first connecting shaft (16), the outer wall of the first connecting shaft (16) is rotatably connected to a connecting piece (17), the inner side of the connecting piece (17) is rotatably connected to a second connecting shaft (18), and the outer wall of the second connecting shaft (18) is fixedly connected to a locking block (19).
7. The fan efficiency enhancement device according to claim 6, characterized in that: The card block (19) is slidably connected to a slide rail (20), the outer wall of the slide rail (20) is fixedly connected to the inner wall of the fixed box (12), and the outer wall of the card block (19) is slidably connected to the inside of the fixed box (12).
8. The fan efficiency enhancement device according to claim 7, characterized in that: The outer wall of the card block (19) is fitted with a filter screen (21), the inner wall of the filter screen (21) is attached to the outer wall of the fixing box (12), and the outer wall of the filter screen (21) is attached to the inner wall of the fixing frame (9).