Wind turbine generator blade vortex generator with improved structure

Abstract

The wind turbine generator blade vortex generator with the improved structure comprises a vortex assembly, the vortex assembly is composed of a blade set, a mounting plate, a supporting rod, a fixing plate, a vortex piece, a first belt, a first rotating shaft, a second rotating shaft, a rotating motor, a coupler, a supporting base, a sliding frame and a sliding block, and the blade set is fixedly connected with the mounting plate; the mounting plate is fixedly connected with one end of a supporting rod, and the other end of the supporting rod is fixedly connected with a fixing plate; according to the invention, through the vortex assembly, the height of the vortex piece can be flexibly adjusted, and different use conditions are met; through the cleaning assembly, the rotating base can be automatically cleaned through a cleaning brush, sundries are prevented from being accumulated at the rotating position of the rotating base, and the operation stability of the rotating base is guaranteed; and through the bird repelling assembly, birds can be automatically repelled, the birds are prevented from staying and nesting at the equipment, and the operation safety of the equipment is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of vortex generators for wind turbine blades, in particular to a vortex generator for wind turbine blades with an improved structure. Background Art

[0002] The vortex generator of a wind turbine blade is a device for improving the aerodynamic characteristics of a wind turbine blade. It is a small wing with a small aspect ratio installed vertically on the surface of a machine body at a certain installation angle. It can generate wingtip vortices in the oncoming airflow, and use the wingtip vortices to bring energy from the external airflow into the boundary layer, accelerate the flow of airflow in the boundary layer, and prevent the separation of airflow on the surface of the machine body. This principle is also applicable to wind turbine blades. By improving the airflow flow state on the blade surface, the aerodynamic performance of the blade is improved. However, the existing vortex generator of a wind turbine blade still has certain shortcomings. First, when the existing vortex generator of a wind turbine blade is used, it is impossible to flexibly adjust the vortex parts, and it is difficult to meet different use conditions; second, after the existing vortex generator of a wind turbine blade is used for a period of time, debris will accumulate at the rotating part of the equipment, affecting the operation stability of the equipment; third, the existing vortex generator of a wind turbine blade cannot automatically expel birds, and birds will stay at the equipment to build nests, affecting the operation safety of the equipment; therefore, it is necessary to design a vortex generator of a wind turbine blade with an improved structure. Summary of the invention

[0003] The object of the present invention is to provide a vortex generator for wind turbine blades with an improved structure to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a vortex generator for wind turbine blades with an improved structure, comprising a vortex assembly, wherein the vortex assembly is composed of a blade group, a mounting plate, a support rod, a fixed plate, a vortex member, a first belt, a first rotating shaft, a second rotating shaft, a rotating motor, a coupling, a support seat, a sliding frame and a slider, wherein the blade group is fixedly connected to the mounting plate, one end of the support rod is fixedly connected to the mounting plate, the other end of the support rod is fixedly connected to the fixed plate, the vortex member is slidably connected in the fixed plate, the vortex member is fixedly connected to the first belt, the first belt is wrapped with a first rotating shaft, the first rotating shaft is rotatably connected to the fixed plate, the fixed plate is arranged on the blade group, the blade group is rotatably connected to a rotating base in the cleaning assembly, the rotating base is fixedly connected to a low-speed shaft, the low-speed shaft is rotatably connected in the main housing, and the main housing is fixedly connected to the mounting box in the bird-repelling assembly.

[0005] As a further technical solution of the present invention, a second rotating shaft is wrapped around the first belt, one end of the second rotating shaft is fixedly connected to the output end of the rotating motor, the rotating motor is fixedly connected to the mounting plate, the other end of the second rotating shaft is rotatably connected to the mounting plate, the second rotating shaft is fixedly connected to a coupling, the coupling is rotatably connected to a support seat, and the support seat is fixedly connected to the mounting plate.

[0006] As a further technical solution of the present invention, a sliding frame is fixed on the fixed plate, a sliding block is slidably connected in the sliding frame, and the sliding block is fixedly connected to the vortex member.

[0007] As a further technical solution of the present invention, the cleaning assembly consists of a rotating base, a low-speed shaft, a main housing, a first gear, a second gear, a rotating ring, a rack, a connecting rod, a connecting piece and a cleaning brush, and the rotating base is rotatably connected to the main housing.

[0008] As a further technical solution of the present invention, a first gear is fixedly connected to the low-speed shaft, the first gear is meshingly connected to the second gear, the second gear is rotatably connected in the main housing, a rotating ring is rotatably connected in the main housing, a rack is fixedly connected to the rotating ring, and the rack is meshingly connected to the second gear.

[0009] As a further technical solution of the present invention, a connecting rod is rotatably connected to the rotating ring, a connecting piece is arranged on the connecting rod, and the connecting piece is arranged on the rotating ring.

[0010] As a further technical solution of the present invention, a cleaning brush is arranged on the connecting rod, and the cleaning brush is closely attached to the rotating base.

[0011] As a further technical solution of the present invention, the bird-repelling assembly consists of an installation box, a windmill, a first pulley, a second pulley, a second belt, a worm, a third rotating shaft, a third gear, a knocking plate, a fourth rotating shaft and a knocking plate. The installation box is rotatably connected to the windmill, the windmill is fixedly connected to the first pulley, the first pulley is rotatably connected to the installation box, the installation box is rotatably connected to the second pulley, and the second belt is wrapped around the second pulley and the first pulley.

[0012] As a further technical solution of the present invention, a worm is fixedly connected to the second pulley, the worm is rotatably connected in the installation box, a third rotating shaft is rotatably connected in the installation box, a knocking plate is fixedly connected to the third rotating shaft, a third gear is fixedly connected to the third rotating shaft, and the third gear is meshingly connected to the worm.

[0013] As a further technical solution of the present invention, a fourth rotating shaft is rotatably connected to the installation box, and a knocking plate is fixedly connected to the fourth rotating shaft.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the vortex generator of the blades of a wind turbine with an improved structure installs the vortex member on the blade group through a mounting plate and a fixing plate. When the height of the vortex member needs to be adjusted, the second rotating shaft is driven to rotate by the output of the rotating motor, and multiple second rotating shafts are connected by a coupling, so that the second rotating shaft drives the first rotating shaft and the first belt to move, and the vortex member is driven to move by the movement of the first belt, and the sliding frame provides support for the slider and the vortex member, so that the height of the vortex member can be flexibly adjusted to meet different usage conditions; when the blade group is rotated by wind force, the rotating base and the low-speed shaft are driven to rotate by the blade group, the second gear is driven to rotate by the first gear on the low-speed shaft, and the rotation of the second gear drives the rotation The ring and the gear rail move, and the angle of the cleaning brush is controlled by the connecting rod on the rotating ring, so that it can be tightly attached to the rotating base when in use, and the connecting rod is fixed by a connecting piece. The cleaning brush can move together with the rotating ring, and the rotation direction of the cleaning brush is opposite to that of the rotating base. The rotating base can be automatically cleaned by the cleaning brush, thereby avoiding the accumulation of debris at the rotating part of the rotating base and ensuring the operating stability of the rotating base; the windmill drives the first pulley, the second pulley and the second belt to move with the help of wind force, and the rotation of the second pulley drives the worm to move, and the movement of the worm drives the third gear to move, and the third gear drives the knocking plate to move, and the knocking plate moves to knock the knocking plate to make a sound, which can automatically expel birds and prevent birds from staying and nesting at the equipment, thereby ensuring the operating safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the position of the rotating motor in the present invention; Figure 3 It is a schematic diagram of the position of the slider in the present invention; Figure 4 It is a schematic diagram of the position of the knocking plate in the present invention; Figure 5 Schematic diagram of the position of the second gear in the present invention.

[0016] In the figure: 1. eddy current assembly; 3. cleaning assembly; 5. bird-repelling assembly; 11. blade group; 12. mounting plate; 13. support rod; 14. fixing plate; 15. eddy current member; 16. first belt; 17. first rotating shaft; 18. second rotating shaft; 19. rotating motor; 20. coupling; 21. support seat; 22. sliding frame; 23. slider; 31. rotating base; 32. low-speed shaft; 33. main box; 34. first gear; 35. second gear; 36. rotating ring; 37. rack; 38. connecting rod; 39. connecting member; 40. cleaning brush; 51. mounting box; 52. windmill; 53. first pulley; 54. second pulley; 55. second belt; 56. worm; 57. third rotating shaft; 58. third gear; 59. knocking plate; 60. fourth rotating shaft; 61. knocking plate. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] Please see attached Figure 1 -Attached Figure 5An embodiment of the present invention is as follows: a vortex generator for blades of a wind turbine with an improved structure comprises a vortex assembly 1, the vortex assembly 1 comprises a blade assembly 11, a mounting plate 12, a support rod 13, a fixing plate 14, a vortex member 15, a first belt 16, a first rotating shaft 17, a second rotating shaft 18, a rotating motor 19, a coupling 20, a support seat 21, a sliding frame 22 and a sliding block 23. The blade assembly 11 is fixedly connected with the mounting plate 12, and the blade assembly 11 is used to rotate by wind force. The mounting plate 12 is fixedly connected with one end of the support rod 13, and the support rod 13 is used to connect the mounting plate 12 and the fixing plate 14. The other end of the support rod 13 is fixedly connected with the fixing plate 14, and the fixing plate 14 is slidably connected with the vortex member 15. 5 is used to prevent the airflow separation on the blade surface, the vortex member 15 is fixedly connected to the first belt 16, the first belt 16 is wound with a first rotating shaft 17, the first rotating shaft 17 is rotatably connected to the fixed plate 14, the fixed plate 14 is used to provide support, the fixed plate 14 is arranged on the blade group 11, the blade group 11 is rotatably connected to the rotating base 31 in the cleaning component 3, the rotating base 31 is fixedly connected to the low-speed shaft 32, the low-speed shaft 32 is used to transfer kinetic energy, the low-speed shaft 32 is rotatably connected to the main box body 33, the main box body 33 is fixedly connected to the installation box 51 in the bird-repelling component 5, the first belt 16 is wound with a second rotating shaft 18, one end of the second rotating shaft 18 is fixedly connected to the output end of the rotating motor 19, the rotating motor 19 is used to drive the second The rotating shaft 18 and the rotating motor 19 are fixedly connected to the mounting plate 12. The other end of the second rotating shaft 18 is rotatably connected to the mounting plate 12. The second rotating shaft 18 is fixedly connected to a coupling 20. The coupling 20 is used to connect the second rotating shaft 18. The coupling 20 is rotatably connected to a support seat 21. The support seat 21 is fixedly connected to the mounting plate 12. The support seat 21 is used to provide support. A sliding frame 22 is fixed on the fixed plate 14. The sliding frame 22 is used to provide support for the slider 23. The slider 23 is slidably connected in the sliding frame 22. The slider 23 is fixedly connected to the vortex member 15. The cleaning assembly 3 consists of a rotating base 31, a low-speed shaft 32, a main housing 33, a first gear 34, a second gear 35, a rotating ring 36, a rack 37, a connecting rod 38, The main housing 33 is composed of a connecting piece 39 and a cleaning brush 40. A rotating base 31 is rotatably connected in the main housing 33. A first gear 34 is fixedly connected to the low-speed shaft 32. The first gear 34 is meshingly connected to the second gear 35. The second gear 35 is rotatably connected in the main housing 33. A rotating ring 36 is rotatably connected in the main housing 33. A rack 37 is fixedly connected to the rotating ring 36. The rack 37 is meshingly connected to the second gear 35. A connecting rod 38 is rotatably connected to the rotating ring 36. The connecting rod 38 is used to connect the cleaning brush 40 and the rotating ring 36. A connecting piece 39 is arranged on the connecting rod 38. The connecting piece 39 is arranged on the rotating ring 36. The connecting piece 39 is used to fix the connecting rod 38. A cleaning brush 40 is arranged on the connecting rod 38. The cleaning brush 40 is tightly attached to the rotating base 31.The cleaning brush 40 is used to clean the rotating base 31. The bird-repelling assembly 5 is composed of a mounting box 51, a windmill 52, a first pulley 53, a second pulley 54, a second belt 55, a worm 56, a third rotating shaft 57, a third gear 58, a knocking plate 59, a fourth rotating shaft 60 and a knocking plate 61. The mounting box 51 is rotatably connected to the windmill 52, and the windmill 52 is used to rotate by wind power. The windmill 52 is fixedly connected to the first pulley 53, and the first pulley 53 is rotatably connected to the mounting box 51. The mounting box 51 is rotatably connected to the second pulley 54, and the second pulley 54 and the first pulley 53 are both wound with a second belt 55. The second belt 55 is used to rotate. The second pulley 54 is connected to the first pulley 53. The second pulley 54 is fixedly connected with a worm 56. The worm 56 is rotatably connected in the installation box 51. The worm 56 is used to drive the third gear 58. The installation box 51 is rotatably connected with a third rotating shaft 57. The third rotating shaft 57 is fixedly connected with a knocking plate 59. The third rotating shaft 57 is fixedly connected with a third gear 58. The third rotating shaft 57 is used to provide support. The third gear 58 is meshedly connected with the worm 56. The installation box 51 is rotatably connected with a fourth rotating shaft 60. The fourth rotating shaft 60 is fixedly connected with a knocking plate 61. The knocking plate 61 is used to cooperate with the knocking plate 59 to make a sound.

[0019] Working principle: When in use, the vortex member 15 is installed on the blade group 11 through the mounting plate 12 and the fixing plate 14. When the height of the vortex member 15 needs to be adjusted, the second rotating shaft 18 is driven to rotate by the output of the rotating motor 19, and the plurality of second rotating shafts 18 are connected through the coupling 20, so that the second rotating shaft 18 drives the first rotating shaft 17 and the first belt 16 to move, and the movement of the first belt 16 drives the vortex member 15 to move, and the sliding frame 22 provides support for the slider 23 and the vortex member 15, so that the height of the vortex member 15 can be flexibly adjusted to meet different use conditions; when the blade group 11 is rotated by wind force, the rotating base 31 and the low-speed shaft 32 are driven to rotate by the blade group 11, and the second gear 35 is driven to rotate by the first gear 34 on the low-speed shaft 32, and then the rotating ring 36 and the rack 37 are driven to move by the rotation of the second gear 35, and the rotating ring 36 and the rack 37 are driven to move by the rotation The connecting rod 38 on the ring 36 controls the angle of the cleaning brush 40 so that it can be tightly attached to the rotating base 31 when in use, and the connecting rod 38 is fixed by the connecting piece 39. The cleaning brush 40 can move together with the rotating ring 36, and the rotation direction of the cleaning brush 40 is opposite to that of the rotating base 31. The rotating base 31 can be automatically cleaned by the cleaning brush 40, thereby avoiding the accumulation of debris at the rotating part of the rotating base 31 and ensuring the operating stability of the rotating base 31; the windmill 52 drives the first pulley 53, the second pulley 54 and the second belt 55 to move with the help of wind force, and the rotation of the second pulley 54 drives the worm 56 to move, and the movement of the worm 56 drives the third gear 58 to move, and the third gear 58 drives the knocking plate 59 to move, and the knocking plate 59 moves to knock the knocking plate 61 to make a sound, which can automatically expel birds and prevent birds from staying and nesting at the equipment, thereby ensuring the operating safety of the equipment.

[0020] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A vortex generator for a wind turbine blade with an improved structure, comprising a vortex component (1), characterized in that: The vortex assembly (1) comprises a blade group (11), a mounting plate (12), a support rod (13), a fixing plate (14), a vortex member (15), a first belt (16), a first rotating shaft (17), a second rotating shaft (18), a rotating motor (19), a coupling (20), a support seat (21), a sliding frame (22) and a sliding block (23); the blade group (11) is fixedly connected to the mounting plate (12); one end of the support rod (13) is fixedly connected to the mounting plate (12); the other end of the support rod (13) is fixedly connected to the fixing plate (14); a sliding block (23) is provided in the fixing plate (14); A vortex member (15) is rotatably connected to the vortex member (15), the vortex member (15) is fixedly connected to a first belt (16), a first rotating shaft (17) is wound around the first belt (16), the first rotating shaft (17) is rotatably connected to a fixed plate (14), the fixed plate (14) is arranged on a blade group (11), the blade group (11) is rotatably connected to a rotating base (31) in the cleaning component (3), the rotating base (31) is fixedly connected to a low-speed shaft (32), the low-speed shaft (32) is rotatably connected to a main housing (33), and a mounting box (51) in the bird-repelling component (5) is fixedly connected to the main housing (33).

2. A wind turbine blade vortex generator with an improved structure according to claim 1, characterized in that: A second rotating shaft (18) is wound around the first belt (16); one end of the second rotating shaft (18) is fixedly connected to the output end of a rotating motor (19); the rotating motor (19) is fixedly connected to the mounting plate (12); the other end of the second rotating shaft (18) is rotatably connected to the mounting plate (12); a coupling (20) is fixedly connected to the second rotating shaft (18); the coupling (20) is rotatably connected to a support seat (21); and the support seat (21) is fixedly connected to the mounting plate (12).

3. A wind turbine blade vortex generator with an improved structure according to claim 1, characterized in that: A sliding frame (22) is fixed on the fixed plate (14), a sliding block (23) is slidably connected to the sliding frame (22), and the sliding block (23) is fixedly connected to the vortex member (15).

4. A wind turbine blade vortex generator with an improved structure according to claim 1, characterized in that: The cleaning assembly (3) is composed of a rotating base (31), a low-speed shaft (32), a main housing (33), a first gear (34), a second gear (35), a rotating ring (36), a rack (37), a connecting rod (38), a connecting piece (39) and a cleaning brush (40), wherein the rotating base (31) is rotatably connected to the main housing (33).

5. A wind turbine blade vortex generator with an improved structure according to claim 4, characterized in that: The low-speed shaft (32) is fixedly connected to a first gear (34), the first gear (34) is meshingly connected to a second gear (35), the second gear (35) is rotatably connected to the main housing (33), a rotating ring (36) is rotatably connected to the main housing (33), a rack (37) is fixedly connected to the rotating ring (36), and the rack (37) is meshingly connected to the second gear (35).

6. A wind turbine blade vortex generator with an improved structure according to claim 5, characterized in that: A connecting rod (38) is rotatably connected to the rotating ring (36), a connecting piece (39) is provided on the connecting rod (38), and the connecting piece (39) is provided on the rotating ring (36).

7. A wind turbine blade vortex generator with an improved structure according to claim 6, characterized in that: A cleaning brush (40) is provided on the connecting rod (38), and the cleaning brush (40) is closely attached to the rotating base (31).

8. The wind turbine blade vortex generator with an improved structure according to claim 1, characterized in that: The bird-repelling assembly (5) comprises an installation box (51), a windmill (52), a first belt pulley (53), a second belt pulley (54), a second belt (55), a worm (56), a third rotating shaft (57), a third gear (58), a knocking plate (59), a fourth rotating shaft (60) and a knocking plate (61); the installation box (51) is rotatably connected to the windmill (52); the windmill (52) is fixedly connected to the first belt pulley (53); the first belt pulley (53) is rotatably connected to the installation box (51); the installation box (51) is rotatably connected to the second belt pulley (54); and the second belt pulley (54) and the first belt pulley (53) are both wound with a second belt (55).

9. A vortex generator for wind turbine blades with an improved structure according to claim 8, characterized in that: A worm (56) is fixedly connected to the second pulley (54), the worm (56) is rotatably connected to the installation box (51), a third rotating shaft (57) is rotatably connected to the installation box (51), a knocking plate (59) is fixedly connected to the third rotating shaft (57), a third gear (58) is fixedly connected to the third rotating shaft (57), and the third gear (58) is meshingly connected to the worm (56).

10. A wind turbine blade vortex generator with an improved structure according to claim 9, characterized in that: A fourth rotating shaft (60) is rotatably connected to the installation box (51), and a knocking plate (61) is fixedly connected to the fourth rotating shaft (60).

Images