Blade deicing device for wind driven generator
By setting heat conductor sheets and thermal columns inside the blades of the wind turbine, and setting a heater box and heater inside the turntable, convenient deicing of wind turbine blades is achieved, and the existing external deicing mechanism is difficult to move. Problem, improving the efficiency and convenience of deicing.
Patent Information
- Application Number
- CN202421380222.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-18
AI Technical Summary
Existing wind turbines mainly use external ice removal mechanisms to deicate the blades. Due to the large changes in the shape of the wind blades, it is difficult for the external ice removal mechanism to move, resulting in low convenience of deicing.
Design a blade deicing device for wind turbines, including a wind turbine main engine, a turntable, a shaft, a blade, a heat conduction sheet, a thermal column, a heater box and a heater. By setting a heat conductor sheet and a thermal column inside the blade and setting a heater inside the turntable, convenient deicing of the blade is achieved.
It improves the convenience of deicing of fan blades, ensures the deicing effect of the blades, and solves the problem that external deicing mechanisms are difficult to move.
Smart Images
Figure CN222457654U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wind turbines, in particular to a blade deicing device for wind turbines. Background Art
[0002] A wind turbine is an electric device that converts wind energy into mechanical work, which drives the rotor to rotate and finally outputs alternating current. A wind turbine generally consists of a wind rotor, a generator, a stabiliser (tail), a tower, a speed limit safety mechanism and an energy storage device. The working principle of a wind turbine is relatively simple. The wind rotor rotates under the action of wind force, which converts the kinetic energy of the wind into the mechanical energy of the wind rotor shaft. The generator rotates and generates electricity under the drive of the wind rotor shaft.
[0003] Existing wind turbines mainly use external deicing mechanisms to de-ice blades. Since the shapes of wind blades vary greatly, the external deicing mechanisms are difficult to move. Therefore, we propose a blade deicing device for wind turbines. Utility Model Content
[0004] The utility model aims to provide a blade deicing device for a wind turbine, so as to achieve the effect of conveniently deicing the fan blades, so as to solve the problem that the existing wind turbines mainly use an external deicing mechanism to deicer the blades, and the external deicing mechanism is difficult to move due to the large changes in the shape of the wind blades.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blade deicing device for a wind turbine, comprising a wind turbine main unit and a turntable, wherein a rotating shaft is installed in the middle of one side of the wind turbine main unit, a turntable is installed at the end of the rotating shaft, a mounting seat is installed on the outer surface of the turntable, a blade is installed on the outer surface of the mounting seat, a heat conducting sheet is installed inside the blade, a support ring is provided inside the blade in the middle of the heat conducting sheet, a heat conducting column is installed inside the turntable at the position of the mounting seat, a heating box is installed in the middle of the turntable, one end of the heat conducting column is plugged into the heating box, and a heater is installed in the middle of one side of the heating box.
[0006] Preferably, a heat preservation tank is provided in the middle of the heating box, and the heat preservation tank is filled with heat preservation cotton.
[0007] Preferably, a heating wire is provided on one side of the heater inside the heating box.
[0008] Preferably, a generator is installed inside the wind power generator main unit, the generator output shaft is connected to a transmission box, and the rotating shaft is inserted into the transmission box.
[0009] Preferably, an insulating sleeve is installed on the middle outer surface of the rotating shaft through a sliding groove, a conductive ring B is installed on the outer surface of the insulating sleeve on one side of the rotating shaft, and a conductive ring A is installed on the outer surface of the insulating sleeve on the other side of the rotating shaft.
[0010] Preferably, a support frame is installed inside the wind power generator at the top of the conductive ring A and the conductive ring B, a connecting seat is installed at the bottom of the support frame, and a flip frame is installed inside the connecting seat through positioning pins.
[0011] Preferably, a wire A is installed on the inner surface of the conductive ring A, a conductive wire B is installed on the inner surface of the conductive ring B, and the wire A and the wire B are connected to a heater.
[0012] Preferably, a spring is installed at the gap between the flip frame and the support frame through a spring slot, a conductive sheet is installed at the bottom of the flip frame, and the conductive sheets on both sides are respectively connected to the positive and negative electrodes of the power supply.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] 1. The utility model achieves the effect of conveniently deicing fan blades by arranging a heating box, a heater, a heat-conducting column and a heat-conducting sheet. A heat-conducting sheet is arranged inside the blade, a support ring is arranged in the middle of the heat-conducting sheet inside the blade, a heat-conducting column is arranged inside the turntable at the position of the mounting seat, a heating box is arranged in the middle of the turntable, one end of the heat-conducting column is plugged into the heating box, and a heater is arranged in the middle of one side of the heating box, so as to solve the problem that the existing wind turbine mainly uses an external deicing mechanism to de-ice the blades, and the external deicing mechanism is difficult to move due to the large change in the shape of the wind blades. The convenience of deicing the fan blades is improved, thereby ensuring the deicing effect of the blades.
[0015] 2. The utility model achieves the effect of facilitating power supply to the heater by arranging a conductive ring A, a conductive ring B, a flip frame and a conductive sheet. A conductive ring B is arranged on the outer surface of the insulating sleeve on one side of the rotating shaft, and a conductive ring A is arranged on the outer surface of the insulating sleeve on the other side of the rotating shaft. A support frame is arranged on the top of the conductive ring A and the conductive ring B inside the wind turbine main engine, a connecting seat is arranged at the bottom of the support frame, and a flip frame is arranged inside the connecting seat through a positioning pin to solve the problem that the heater is arranged inside the blade and is in a rotating state when in use, making it difficult to supply electricity. The heater is convenient for heating the blade, thereby ensuring normal de-icing of the blade.
[0016] 3. The utility model achieves the effect of insulating the heating box by arranging an insulation groove and insulation cotton. An insulation groove is arranged in the middle of the heating box, and insulation cotton is filled in the insulation groove to solve the problem that the existing blades are greatly affected by the external ambient temperature in winter, the heating efficiency is poor, and the de-icing efficiency of the blades is affected. The insulation performance of the heating box is improved, thereby improving the de-icing efficiency of the blades. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0018] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;
[0019] Figure 3 for Figure 2 The enlarged structural diagram of A;
[0020] Figure 4 It is a side view structural diagram of the rotating shaft and the turning frame of the utility model;
[0021] Figure 5 for Figure 2 The enlarged structural diagram of B;
[0022] Figure 6 for Figure 2 Schematic diagram of the enlarged structure of C.
[0023] Figure numerals: 1. Wind turbine generator; 2. Rotating shaft; 3. Turntable; 4. Blade; 5. Generator; 6. Transmission box; 7. Slide; 8. Insulating sleeve; 9. Conductive sheet; 10. Spring; 11. Turning frame; 12. Support frame; 13. Connecting seat; 14. Positioning pin; 15. Wire A; 16. Conductive ring A; 17. Wire B; 18. Conductive ring B; 19. Heating box; 20. Insulation cotton; 21. Insulation tank; 22. Heating wire; 23. Heat-conducting column; 24. Heater; 25. Mounting seat; 26. Heat-conducting sheet; 27. Support ring. DETAILED DESCRIPTION
[0024] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0025] Embodiment 1
[0026] like Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, in order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blade deicing device for a wind turbine, comprising a wind turbine main unit 1 and a turntable 3, a rotating shaft 2 is installed in the middle of one side of the wind turbine main unit 1, a turntable 3 is installed at the end of the rotating shaft 2, a mounting seat 25 is installed on the outer surface of the turntable 3, a blade 4 is installed on the outer surface of the mounting seat 25, a heat conducting sheet 26 is installed inside the blade 4, a support ring 27 is provided in the middle of the heat conducting sheet 26 inside the blade 4, a heat conducting column 23 is installed inside the turntable 3 at the position of the mounting seat 25, a heating box 19 is installed in the middle of the turntable 3, one end of the heat conducting column 23 is plugged into the heating box 19, a heater 24 is installed in the middle of one side of the heating box 19, a heating wire 22 is provided on one side of the heater 24 located inside the heating box 19, a generator 5 is installed inside the wind turbine main unit 1, the output shaft of the generator 5 is connected to the transmission box 6, and the rotating shaft 2 is plugged into the transmission box 6.
[0027] like Figure 2 and Figure 5 As shown, a heat preservation tank 21 is provided in the middle of the heating box 19, and the heat preservation tank 21 is filled with heat preservation cotton 20. The heat preservation tank 21 and the heat preservation cotton 20 are provided to insulate the interior of the heating box 19.
[0028] The working principle of a blade deicing device for a wind turbine based on Example 1 is: after the utility model is installed, when the surface of the blade 4 needs to be de-iced, the heating wire 22 is turned on by the heater 24, the heat-conducting column 23 is heated by the heating wire 22, the conductive sheet 9 is heated by the provided heat-conducting column 23, and the heated heat-conducting sheet 26 is used to conduct heat to the blade 4, thereby de-icing the surface of the blade 4. At this point, the working process of the device is completed.
[0029] Embodiment 2
[0030] like Figure 2-4 As shown, the utility model proposes a blade deicing device for a wind turbine. Compared with the first embodiment, the present embodiment further includes: an insulating sleeve 8 is installed on the middle outer surface of the rotating shaft 2 through a slide groove 7, a conductive ring B18 is installed on the outer surface of the insulating sleeve 8 on one side of the rotating shaft 2, and a conductive ring A16 is installed on the outer surface of the insulating sleeve 8 on the other side of the rotating shaft 2. A support frame 12 is installed on the top of the conductive ring A16 and the conductive ring B18 inside the wind turbine main unit 1, a connecting seat 13 is installed at the bottom of the support frame 12, and a flip frame 11 is installed inside the connecting seat 13 through a positioning pin 14. A wire A15 is installed on the inner surface of the conductive ring A16, and a conductive B is installed on the inner surface of the conductive ring B18. The wire A15 and the wire B17 are connected to the heater 24. A spring 10 is installed at the gap between the flip frame 11 and the support frame 12 through a spring groove. A conductive sheet 9 is installed at the bottom of the flip frame 11. The conductive sheets 9 on both sides are respectively connected to the positive and negative electrodes of the power supply, and electricity is conducted to the heater 24 through the arranged conductive sheets 9.
[0031] In this embodiment, when in use, the flip frame 11 is squeezed by the set spring 10, thereby driving the conductive sheet 9 to move downward, and the conductive ring A16, the conductive ring B18, the wire A15, the wire B17 and the heater 24 are connected through the set conductive sheet 9, so that the heater 24 is powered, and the interior of the heating box 19 is heated through the heating wire 22 on one side of the heater 24.
[0032] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.
Claims
1. A blade deicing device for a wind turbine generator, comprising a wind turbine generator main unit (1) and a rotating disk (3), characterized in that: A rotating shaft (2) is installed in the middle of one side of the wind power generator (1), a rotating disc (3) is installed at the end of the rotating shaft (2), a mounting seat (25) is installed on the outer surface of the rotating disc (3), a blade (4) is installed on the outer surface of the mounting seat (25), a heat conducting sheet (26) is installed inside the blade (4), a supporting ring (27) is provided inside the blade (4) and located in the middle of the heat conducting sheet (26), a heat conducting column (23) is installed inside the rotating disc (3) at the position of the mounting seat (25), a heating box (19) is installed in the middle of the rotating disc (3), one end of the heat conducting column (23) is plugged into the heating box (19), and a heater (24) is installed in the middle of one side of the heating box (19).
2. A blade deicing device for a wind turbine according to claim 1, characterized in that: A heat preservation tank (21) is provided in the middle of the heating box (19), and the heat preservation tank (21) is filled with heat preservation cotton (20).
3. The blade deicing device for a wind turbine according to claim 1, characterized in that: A heating wire (22) is provided on one side of the heater (24) located inside the heating box (19).
4. The blade deicing device for a wind turbine according to claim 1, characterized in that: A generator (5) is installed inside the wind power generation main unit (1); the output shaft of the generator (5) is connected to a transmission box (6); and the rotating shaft (2) is plugged into the transmission box (6).
5. A blade deicing device for a wind turbine according to claim 4, characterized in that: An insulating sleeve (8) is installed on the middle outer surface of the rotating shaft (2) through a sliding groove (7), a conductive ring B (18) is installed on the outer surface of the insulating sleeve (8) on one side of the rotating shaft (2), and a conductive ring A (16) is installed on the outer surface of the insulating sleeve (8) on the other side of the rotating shaft (2).
6. The blade deicing device for a wind turbine according to claim 1, characterized in that: A support frame (12) is installed inside the wind power generator (1) at the top of the conductive ring A (16) and the conductive ring B (18), a connecting seat (13) is installed at the bottom of the support frame (12), and a flip frame (11) is installed inside the connecting seat (13) via a positioning pin (14).
7. A blade deicing device for a wind turbine according to claim 6, characterized in that: A conductor A (15) is installed on the inner surface of the conductive ring A (16), and a conductor B is installed on the inner surface of the conductive ring B (18). The conductor A (15) and the conductor B (17) are connected to a heater (24).
8. The blade deicing device for a wind turbine according to claim 6, characterized in that: A spring (10) is installed at the gap between the flip frame (11) and the support frame (12) through a spring slot, and a conductive sheet (9) is installed at the bottom of the flip frame (11). The conductive sheets (9) on both sides are respectively connected to the positive and negative electrodes of the power supply.