A vertical axis wind generator

Abstract

The application discloses a vertical shaft wind driven generator and relates to the technical field of wind driven power generation. The bottom is provided with a hollow column which is rotationally connected to the top of the bottom, the inner wall of the hollow column is fixedly connected with a motor at the top, the output shaft of the motor is fixedly connected with a rotating column, two small screw grooves are formed in the lower outer wall of the rotating column, the two small screw grooves of the rotating column are both screw-connected with a screw sleeve one, and the outer wall of the screw sleeve one is fixedly connected with a hexagonal block. The motor, the rotating column, the screw sleeve one, the small screw groove, the hinged block one, the blade, the hollow column and the hinged block two are cooperated, the two hinged block ones and the hinged block two are cooperated, the blade moves in a downward arc track to the direction of the hollow column, the area of the blade impacted by the typhoon is reduced, the blade is prevented from generating large amplitude vibration or imbalance, the blade is prevented from suffering severe impact, and cracks, breakage or distortion are avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of wind power generation, in particular to a vertical axis wind turbine. BACKGROUND

[0002] A vertical axis wind turbine (VAWT) is a wind power generation device, its main feature is that the rotating shaft of the wind wheel is perpendicular to the ground. Compared with the traditional horizontal axis wind turbine (HAWT), the vertical axis wind turbine can better adapt to different wind directions and is not affected by the change of wind direction, so it is suitable for urban environment or areas with unstable wind.

[0003] The Chinese patent with patent publication number CN212250328U discloses a vertical axis wind turbine, which comprises a wind wheel, a generator and a support column; wherein: the wind wheel comprises upper and lower wind wheels with opposite rotating directions, and is fixed with an inner rotor and a motor housing, forming an inner rotor and an armature winding fixed on the housing rotating in opposite directions, and the generator speed is the sum of the upper and lower wind wheel speeds; the generator speed is increased and the torque is reduced, which can reduce the diameter of the wind wheel; combined with the angle adjustment of the wind blade, it can rotate in a small wind environment and ensure the safety of operation in a strong wind.

[0004] However, the current vertical axis wind turbine has the following problems: in the current vertical axis wind turbine, the strong wind brought by the typhoon will exceed the wind speed range designed to be borne by the vertical axis wind turbine, and the strong wind in the typhoon will bring severe wind fluctuation, which will cause the wind turbine blades to vibrate or be unbalanced to a large extent, so that the wind turbine blades will suffer serious impact, resulting in cracks, fractures or distortion, therefore, we propose a vertical axis wind turbine. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a vertical axis wind turbine, which solves the problems raised in the background art.

[0006] In order to achieve the above object, the vertical axis wind turbine is realized by the following technical scheme: a vertical axis wind turbine, comprising a base, the top of the base is rotationally connected with a hollow column, the inner wall top of the hollow column is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a rotating column, two small screw grooves are formed in the lower outer wall of the rotating column, the two small screw grooves of the rotating column are both threadedly connected with a threaded sleeve one, the outer wall of the threaded sleeve one is fixedly connected with a hexagonal block, the three sides of the hexagonal block are all fixedly connected with a hinged block one, the side of the three hinged block ones away from the hexagonal block is all hinged with a blade, the upper outer wall of the hollow column is fixedly connected with a hexagonal fixed block, the three sides of the hexagonal fixed block are all fixedly connected with a hinged block two, the side of the hinged block two away from the hexagonal fixed block is all fixedly connected on the outer wall of the three blades, the wind will push the plurality of blades to rotate, the rotation of the plurality of blades will make the hollow column rotate through the hinged block two, the hollow column will drive the motor in the base to generate electricity, when there is a typhoon, the staff starts the motor through the external controller, the output shaft of the motor will make the rotating column rotate, the rotation of the rotating column will make the two threaded sleeves one move upwards along the two small screw grooves, the upward movement of the two threaded sleeves one will drive the blades to move in the direction of the hollow column through the two hinged block ones, then under the cooperation of the two hinged block ones and the hinged block two, the blades will move in the direction of the hollow column with a downward arc trajectory, thereby reducing the area of the blades impacted by the typhoon, avoiding the blades to produce a large amplitude vibration or imbalance, causing the blades to suffer serious impact, causing cracks, fracture or distortion.

[0007] According to the above technical scheme, the outer wall of the hollow column is fixedly connected with a supporting hollow block, and the outer wall of the blade is fixedly connected with a placing block, when the blade moves in the direction of the hollow column, the placing block will move to the inside of the supporting hollow block.

[0008] According to the above technical scheme, the supporting hollow block is located on the displacement track of the placing block.

[0009] According to the above technical scheme, the inner wall of the blade is provided with an anti-winding device, the anti-winding device comprises a U-shaped block, the U-shaped block is fixedly installed on the inner wall of the blade, the two sides of the U-shaped block are both fixedly connected with a moving frame, the inner walls of the two moving frames are both slidingly connected with a cutting knife, and a spring two is arranged between the cutting knife and the moving frame, when the blade moves in the direction of the hollow column, the U-shaped block will be driven to move, the movement of the U-shaped block will drive the moving frame to move, and the movement of the moving frame will drive the cutting knife to move.

[0010] According to the technical scheme, the vertical rod is arranged to penetrate and slide on the top of the moving frame, the arc plate is fixedly connected to the top of the vertical rod, the spring one is arranged between the arc plate and the moving frame, the vertical rod is inserted into the top of the cutting knife, the L-shaped block is fixedly connected to the hinge seat on the side of the hexagonal fixed block one, the soft ring is fixedly connected to the middle of the outer wall of the hollow column, the movement of the moving frame drives the movement of the vertical rod, the movement of the vertical rod drives the movement of the arc plate, when the arc plate moves to the inclined surface of the L-shaped block, the L-shaped block limits the movement of the arc plate, so that the arc plate drives the vertical rod to be no longer inserted into the cutting knife, at this time, the cutting knife abuts against the soft ring, under the interaction force between the soft ring and the cutting knife, the soft ring drives the cutting knife to move to the inside of the moving frame and moves the spring two.

[0011] According to the technical scheme, the side of the L-shaped block is arranged as an inclined surface, the inclined surface of the L-shaped block is located on the displacement track of the arc plate, and the soft ring is located on the displacement track of the cutting knife.

[0012] According to the technical scheme, the bottom of the rotating column is provided with a dispersing device, the dispersing device comprises a large screw rod, the top of the large screw rod is fixedly connected to the bottom of the rotating column, the outer wall of the large screw rod is threadedly connected with a threaded sleeve two, the outer wall of the threaded sleeve two is fixedly connected with a fixed ring, the outer wall of the fixed ring is rotatably connected with a rotating ring, the outer wall of the rotating ring is fixedly connected with a connecting rod, one end, away from the rotating ring, of the connecting rod is fixedly connected with an arc-shaped dispersing plate, the bottom of the connecting rod is fixedly connected with a fixed rod, and the bottom of the fixed rod is fixedly connected with a wind direction indicator; the rotation of the rotating column drives the rotation of the large screw rod, the rotation of the large screw rod drives the movement of the threaded sleeve two, the movement of the threaded sleeve two drives the movement of the fixed ring, the movement of the fixed ring drives the movement of the rotating ring, the movement of the rotating ring drives the movement of the connecting rod, and the movement of the connecting rod drives the movement of the arc-shaped dispersing plate; in addition, the arc-shaped dispersing plate and the blade are arranged in a staggered mode, and the rotation of the large screw rod makes the threaded sleeve two move faster than the threaded sleeve one.

[0013] According to the technical scheme, the arc-shaped dispersing plate and the blade are arranged in a staggered mode.

[0014] The vertical axis wind turbine has the following beneficial effects:

[0015] (1) The motor, the rotating column, the threaded sleeve one, the small threaded groove, the articulated block one, the blade, the hollow column, the articulated block two cooperate, so that the two articulated block one and the articulated block two cooperate, the blade moves in a downward arc trajectory to the direction of the hollow column, thereby reducing the area of the blade impacted by the typhoon, avoiding the blade from producing a large amplitude vibration or imbalance, causing the blade to suffer severe impact, causing cracks, breakage or distortion; meanwhile, the cooperation of the blade, the hollow column, the supporting hollow block and the placement block provides an embedded support for the placement block, making the interaction force between the supporting hollow block and the placement block more balanced, and making the blade more stable, reducing the impact of the typhoon on the blade and improving the stability of the overall structure.

[0016] (2) The cooperation of the blade, the hollow column, the U-shaped block, the moving frame and the cutting knife makes the movement of the cutting knife cut off the plastic and other winding objects that are blown by the typhoon and wound on the surface of the articulated block one and the articulated block two, thereby avoiding the plastic and other winding objects remaining on the surface of the articulated block one and the articulated block two, causing the blade to consume more energy to rotate during use due to the accumulation of plastic and other winding objects on the surface of the articulated block one and the articulated block two, which will cause the efficiency of the device to decrease, and the output of the wind power generation or other power system to decrease, and even affect the running stability of the entire system; meanwhile, the cooperation of the moving frame, the cutting knife, the vertical rod, the arc plate, the spring one, the spring two, the L-shaped block and the soft ring makes the cutting knife stay in the moving frame, avoiding the cutting knife from being exposed to the typhoon environment, which helps to protect the cutting knife from being collided by objects blown by the typhoon or other unnecessary friction, thereby prolonging the service life of the cutting knife.

[0017] (3) The cooperation of the large threaded rod, the threaded sleeve two, the fixed ring, the rotating ring, the connecting rod and the arc-shaped dispersion plate makes the rotation of the large threaded rod move faster than the threaded sleeve one, so that when the blade is fixed, the arc-shaped dispersion plate can shield the blade, and the arc-shaped dispersion plate can disperse the wind force blown by the typhoon to the blade, thereby avoiding the problem of excessive wind force blown to the blade, causing damage to the blade; meanwhile, the cooperation of the rotating ring, the connecting rod, the arc-shaped dispersion plate, the fixed rod and the wind direction marker makes the wind direction change, causing the wind direction marker to rotate, the wind direction marker drives the connecting rod to rotate through the fixed rod, and the rotation of the connecting rod drives the rotating ring and the arc-shaped dispersion plate to rotate, so that the arc-shaped dispersion plate can keep the side facing the wind direction. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the whole invention;

[0019] Figure 2 Structure diagram of hollow column of the application;

[0020] Figure 3 Structure diagram of rotating column of the application;

[0021] Figure 4 Structure diagram of blade of the application;

[0022] Figure 5 Structure diagram of L-shaped block of the application;

[0023] Figure 6 Structure diagram of anti-winding device of the application;

[0024] Figure 7 Structure diagram of arc-shaped dispersion plate of the application.

[0025] In the figure: 1, base; 2, hollow column; 3, motor; 4, rotating column; 5, small thread groove; 6, thread sleeve one; 7, hexagonal block; 8, anti-winding device; 81, U-shaped block; 82, moving frame; 83, cutting knife; 84, vertical rod; 85, arc plate; 86, spring one; 87, spring two; 88, L-shaped block; 89, soft ring; 9, dispersion device; 91, large thread rod; 92, thread sleeve two; 93, fixed ring; 94, rotating ring; 95, connecting rod; 96, arc-shaped dispersion plate; 97, fixed rod; 98, wind direction indicator; 10, hinged block one; 11, blade; 12, hexagonal fixed block; 13, hinged block two; 14, supporting hollow block; 15, placing block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application.

[0027] Please refer to Figures 1-7One embodiment of the present application is: a vertical axis wind turbine, comprising a base 1, the top of the base 1 is rotatably connected with a hollow column 2, the inner wall top of the hollow column 2 is fixedly connected with a motor 3, the output shaft of the motor 3 is fixedly connected with a rotating column 4, two small screw grooves 5 are formed in the lower outer wall of the rotating column 4, the two small screw grooves 5 of the rotating column 4 are threadedly connected with a threaded sleeve one 6, the outer wall of the threaded sleeve one 6 is fixedly connected with a hexagonal block 7, the three sides of the hexagonal block 7 are fixedly connected with a hinged block one 10, the side away from the hexagonal block 7 of the three hinged block ones 10 is hingedly connected with a blade 11, the upper outer wall of the hollow column 2 is fixedly connected with a hexagonal fixed block 12, the three sides of the hexagonal fixed block 12 are fixedly connected with a hinged block two 13, the side away from the hexagonal fixed block 12 of the hinged block two 13 is fixedly connected on the outer wall of the three blades 11, through the setting of the above structure, the blade 11 will move in the direction of the hollow column 2 with a downward arc trajectory under the cooperation of the two hinged block ones 10 and the hinged block two 13, thereby reducing the area of the blade 11 impacted by the typhoon, avoiding the blade 11 from generating a large amplitude vibration or imbalance, leading to the blade 11 suffering a serious impact, causing cracks, fractures or distortion.

[0028] The outer wall of the hollow column 2 is fixedly connected with a supporting hollow block 14, the outer wall of the blade 11 is fixedly connected with a placing block 15, the supporting hollow block 14 is located on the displacement track of the placing block 15, through the setting of the above structure, the supporting hollow block 14 provides an embedded support for the placing block 15, the interaction force between the supporting hollow block 14 and the placing block 15 is more balanced, at the same time, the blade 11 is more stable, reducing the impact of the typhoon on the blade 11 thereby improving the stability of the overall structure.

[0029] The inner wall of the blade 11 is provided with an anti-winding device 8, the anti-winding device 8 comprises a U-shaped block 81, the U-shaped block 81 is fixedly installed on the inner wall of the blade 11, the two sides of the U-shaped block 81 are fixedly connected with a moving frame 82, the inner wall of the two moving frames 82 is slidably connected with a cutting knife 83, a spring two 87 is arranged between the cutting knife 83 and the moving frame 82, through the setting of the above structure, the movement of the cutting knife 83 will cut off the plastic winding material and the like which is blown by the typhoon and wound on the surface of the hinged block one 10 and the hinged block two 13, thereby avoiding the plastic winding material and the like remaining on the surface of the hinged block one 10 and the hinged block two 13, leading to the blade 11 consuming more energy to rotate due to the more and more accumulation of the plastic winding material and the like on the surface of the hinged block one 10 and the hinged block two 13 when in use, which will cause the efficiency of the equipment to be reduced, and the output of the wind power generation or other power system to be reduced, even affecting the operation stability of the whole system.

[0030] The top of the moving frame 82 is penetrated and slid with a vertical rod 84, the top of the vertical rod 84 is fixedly connected with an arc plate 85, a spring one 86 is arranged between the arc plate 85 and the moving frame 82, the vertical rod 84 is inserted on the top of the cutting knife 83, the hinge block two 13 is fixedly connected with an L-shaped block 88 on the hinge seat on the side of the hexagonal fixed block 12, the outer wall of the hollow column 2 is fixedly connected with a soft ring 89, the side of the L-shaped block 88 is arranged as an inclined surface, the inclined surface of the L-shaped block 88 is located on the displacement track of the arc plate 85, the soft ring 89 is located on the displacement track of the cutting knife 83, through the arrangement of the above structure, the cutting knife 83 stays in the moving frame 82, which avoids that the cutting knife 83 is exposed in the typhoon environment, helps to protect the cutting knife 83 from being collided by objects blown up by the typhoon or other unnecessary friction, thereby prolonging the service life of the cutting knife 83.

[0031] In use, natural wind will push the plurality of blades 11 to rotate, the rotation of the plurality of blades 11 will drive the hollow column 2 to rotate through the hinge block two 13, the hollow column 2 will drive the generator in the base 1 to generate electricity, when there is a typhoon, the staff starts the motor 3 through the external controller, the output shaft of the motor 3 will drive the rotating column 4 to rotate, the rotation of the rotating column 4 will drive the two threaded sleeves one 6 to move upwards along the two small threaded grooves 5, the upward movement of the two threaded sleeves one 6 will drive the blades 11 to move to the direction of the hollow column 2 through the two hinge blocks one 10, then under the cooperation of the two hinge blocks one 10 and the hinge block two 13, the blades 11 will move to the direction of the hollow column 2 in a downward arc track, thereby reducing the area of the blades 11 impacted by the typhoon, avoiding the blades 11 from generating a large amplitude vibration or imbalance, leading to that the blades 11 suffer serious impact, leading to cracks, fracture or distortion; when the blades 11 move to the direction of the hollow column 2, the placing block 15 will move to the inside of the supporting hollow block 14, therefore the supporting hollow block 14 provides an embedded support for the placing block 15, which makes the interaction force between the supporting hollow block 14 and the placing block 15 more balanced, at the same time makes the blades 11 more stable, reduces the impact of the typhoon on the blades 11, thereby improving the stability of the overall structure.

[0032] When the blade 11 moves towards the hollow column 2, the U-shaped block 81 is moved, the movement of the U-shaped block 81 drives the movement of the moving frame 82, the movement of the moving frame 82 drives the movement of the cutting knife 83, the movement of the cutting knife 83 cuts off the plastic and other winding objects that are blown by the typhoon and wound on the surface of the hinged block one 10 and the hinged block two 13, so as to avoid the plastic and other winding objects remaining on the surface of the hinged block one 10 and the hinged block two 13, causing the blade 11 to consume more energy to rotate when in use, which will cause the efficiency of the device to be reduced, and the output of the wind power generation or other power system will be reduced, even affecting the running stability of the whole system; the movement of the moving frame 82 drives the movement of the vertical rod 84, the movement of the vertical rod 84 drives the movement of the arc plate 85, when the arc plate 85 moves to the inclined surface of the L-shaped block 88, the L-shaped block 88 limits the movement of the arc plate 85, so that the arc plate 85 drives the vertical rod 84 not to be inserted in the cutting knife 83, at this time the cutting knife 83 will touch the soft ring 89, under the interaction force of the soft ring 89 and the cutting knife 83, the soft ring 89 will push the cutting knife 83 to move to the inside of the moving frame 82, and move the spring two 87, so that the cutting knife 83 stays in the moving frame 82, avoiding the cutting knife 83 exposed to the typhoon environment, which helps to protect the cutting knife 83 from being collided by the objects blown by the typhoon or other unnecessary friction, thereby prolonging the service life of the cutting knife 83.

[0033] Please refer to Figures 1-7On the basis of the above embodiment, in another embodiment of the application, the bottom of the rotating column 4 is provided with a dispersing device 9, which comprises a large threaded rod 91, the top of which is fixedly connected to the bottom of the rotating column 4, the outer wall of the large threaded rod 91 is threadedly connected with a threaded sleeve two 92, the outer wall of the threaded sleeve two 92 is fixedly connected with a fixed ring 93, the outer wall of the fixed ring 93 is rotatably connected with a rotating ring 94, the outer wall of the rotating ring 94 is fixedly connected with a connecting rod 95, one end of the connecting rod 95 away from the rotating ring 94 is fixedly connected with an arc-shaped dispersing plate 96, the bottom of the connecting rod 95 is fixedly connected with a fixed rod 97, the bottom of the fixed rod 97 is fixedly connected with a wind direction indicator 98, the arc-shaped dispersing plate 96 is arranged in a staggered manner with the blade 11, and through the arrangement of the above structure, the rotation of the large threaded rod 91 makes the threaded sleeve two 92 move faster than the threaded sleeve one 6, so that when the blade 11 is fixed, the arc-shaped dispersing plate 96 just shields the blade 11, the arc-shaped dispersing plate 96 can disperse the wind force blown by the typhoon to the blade 11, thereby avoiding the problem that the wind force blown to the blade 11 is too large, causing damage to the blade 11, and the arc-shaped dispersing plate 96 can also shield the objects blown by the typhoon, avoiding the problem that the objects hit the blade 11, causing damage to the blade 11, and when the wind direction of the typhoon changes, the wind direction indicator 98 will rotate, the wind direction indicator 98 will drive the connecting rod 95 to rotate through the fixed rod 97, the rotation of the connecting rod 95 will drive the rotating ring 94 and the arc-shaped dispersing plate 96 to rotate, so that the arc-shaped dispersing plate 96 can keep the side facing the wind direction.

[0034] In use, the rotation of the rotating column 4 will drive the large threaded rod 91 to rotate, the rotation of the large threaded rod 91 will make the threaded sleeve two 92 move, the movement of the threaded sleeve two 92 will drive the fixed ring 93 to move, the movement of the fixed ring 93 will drive the rotating ring 94 to move, the movement of the rotating ring 94 will drive the connecting rod 95 to move, the movement of the connecting rod 95 will drive the arc-shaped dispersing plate 96 to move, and at the same time, since the arc-shaped dispersing plate 96 is arranged in a staggered manner with the blade 11, and the rotation of the large threaded rod 91 makes the threaded sleeve two 92 move faster than the threaded sleeve one 6, so that when the blade 11 is fixed, the arc-shaped dispersing plate 96 just shields the blade 11, the arc-shaped dispersing plate 96 can disperse the wind force blown by the typhoon to the blade 11, thereby avoiding the problem that the wind force blown to the blade 11 is too large, causing damage to the blade 11, and the arc-shaped dispersing plate 96 can also shield the objects blown by the typhoon, avoiding the problem that the objects hit the blade 11, causing damage to the blade 11; at the same time, when the wind direction of the typhoon changes, the wind direction indicator 98 will rotate, the wind direction indicator 98 will drive the connecting rod 95 to rotate through the fixed rod 97, the rotation of the connecting rod 95 will drive the rotating ring 94 and the arc-shaped dispersing plate 96 to rotate, so that the arc-shaped dispersing plate 96 can keep the side facing the wind direction.

[0035] The above merely illustrates the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacements or changes according to the technical solutions and the inventive concept of the present application within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A vertical axis wind generator comprising a base (1) characterised in that: The top of the base (1) is rotatably connected with a hollow column (2), the inner wall top of the hollow column (2) is fixedly connected with a motor (3), the output shaft of the motor (3) is fixedly connected with a rotating column (4), two small thread grooves (5) are formed in the lower outer wall of the rotating column (4), the two small thread grooves (5) of the rotating column (4) are both threadedly connected with a threaded sleeve one (6), the outer wall of the threaded sleeve one (6) is fixedly connected with a hexagonal block (7), the three sides of the hexagonal block (7) are all fixedly connected with a hinged block one (10), the side, away from the hexagonal block (7), of the three hinged block ones (10) is all hingedly connected with a blade (11), the upper outer wall of the hollow column (2) is fixedly connected with a hexagonal fixed block (12), the three sides of the hexagonal fixed block (12) are all fixedly connected with a hinged block two (13), the side, away from the hexagonal fixed block (12), of the hinged block two (13) is all fixedly connected on the outer wall of the three blades (11); The inner wall of the blade (11) is provided with an anti-winding device (8), the anti-winding device (8) comprises a U-shaped block (81), the U-shaped block (81) is fixedly installed on the inner wall of the blade (11), the two sides of the U-shaped block (81) are both fixedly connected with a moving frame (82), the inner walls of the two moving frames (82) are both slidably connected with a cutting knife (83), a spring two (87) is arranged between the cutting knife (83) and the moving frame (82); The top of the moving frame (82) penetrates and slides a vertical rod (84), the top of the vertical rod (84) is fixedly connected with an arc plate (85), a spring one (86) is arranged between the arc plate (85) and the moving frame (82), the vertical rod (84) is inserted on the top of the cutting knife (83), the hinged block two (13) is fixedly connected with an L-shaped block (88) on the hinged seat on one side of the hexagonal fixed block (12), the outer wall of the hollow column (2) is fixedly connected with a soft ring (89); The side of the L-shaped block (88) is provided with an inclined surface, the inclined surface of the L-shaped block (88) is located on the displacement track of the arc plate (85), and the soft ring (89) is located on the displacement track of the cutting knife (83).

2. A vertical axis wind generator as claimed in claim 1, characterised in that: The outer wall of the hollow column (2) is fixedly connected with a supporting hollow block (14), and the outer wall of the blade (11) is fixedly connected with a placing block (15).

3. A vertical axis wind generator as claimed in claim 2, characterised in that: The supporting hollow block (14) is located on the displacement track of the placing block (15). The outer wall of the hollow column (2) is fixedly connected with a supporting hollow block (14), and the outer wall of the blade (11) is fixedly connected with a placing block (15). The supporting hollow block (14) is located on the displacement track of the placing block (15).

4. A vertical axis wind generator as claimed in claim 1, characterised in that: The bottom of the rotating column (4) is provided with a dispersing device (9), the dispersing device (9) comprises a large screw rod (91), the top of the large screw rod (91) is fixedly connected to the bottom of the rotating column (4), the outer wall of the large screw rod (91) is threadedly connected with a threaded sleeve two (92), the outer wall of the threaded sleeve two (92) is fixedly connected with a fixed ring (93), the outer wall of the fixed ring (93) is rotatably connected with a rotating ring (94), the outer wall of the rotating ring (94) is fixedly connected with a connecting rod (95), the end, away from the rotating ring (94), of the connecting rod (95) is fixedly connected with an arc-shaped dispersing plate (96), the bottom of the connecting rod (95) is fixedly connected with a fixed rod (97), and the bottom of the fixed rod (97) is fixedly connected with a wind direction indicator (98).

5. A vertical axis wind generator as claimed in claim 4, characterised in that: The arc-shaped dispersing plate (96) is arranged in a staggered manner with the blade (11).

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