CN211692709U

CN211692709U - Multilayer arc-shaped shielding vertical shaft type wind driven generator

Info

Publication number: CN211692709U
Application number: CN202020398988.2U
Authority: CN
Inventors: 袁杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-10-16
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a convex vertical axis formula aerogenerator that shelters from of multilayer, including generator system and shielding plate system framework, the generator system includes generator pillar and steel sheet tray, fixed mounting has the generator on the steel sheet tray, the generator top is stretched out to have and is connected with the inside pivot of generator, can dismantle the dwang by the multistage and pass through the hollow dwang that the screw thread connects the constitution, be fixed with four generator blade along radial evenly distributed on every section dwang, shielding plate system framework includes a plurality of framework pillars that shelter from, every shelters from the framework pillar on the installation be fixed with multilayer support bracket and upper and lower guide slot, be equipped with the rail in the lower guide slot, set the steamboat on the rail, the steamboat passes through the bearing and is connected and drives through the small-size motor with the arc deep bead, can do. The fan is provided with a plurality of layers of horizontal blades, the wind energy utilization and power generation effects can be greatly improved through optimized arrangement of a plurality of fans, and the fan is low in starting wind power, safe, economical and easy to maintain.

Description

Multilayer arc-shaped shielding vertical shaft type wind driven generator

Technical Field

The utility model relates to a wind power generation technical field, concretely relates to convex vertical axis formula aerogenerator that shelters from of multilayer.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The inventor of the utility model discovers through research that all kinds of wind driven generators appearing on the market at present need just can start rotary power generation at wind power more than at least level four, and wind power energy utilization is low, and the efficiency that leads to wind driven generator is not high. The reason is that the existing wind driven generator has certain defects in structural design, when all wind-receiving surfaces rotate under the action of wind power, negative torque always exists in part of blades, so that resistance or internal consumption is generated on the rotation of a rotating shaft of the generator, the rotation torque is weakened, the requirement for starting wind power is high, meanwhile, the generated energy is inevitably reduced by slowing down the rotation speed of the rotating shaft, and the generating efficiency of the wind driven generator is further reduced. Therefore, there is a need for an improvement of this current situation of wind power generators.

SUMMERY OF THE UTILITY MODEL

To current aerogenerator to wind-force energy utilization low, there is partial blade to have negative torque, not only start wind-force requirement to aerogenerator from this higher, still can reduce the generated energy and lead to the technical problem that aerogenerator efficiency is not high, the utility model provides a multilayer is convex shelters from vertical axis formula aerogenerator.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the multilayer arc-shaped shielding vertical shaft type wind driven generator comprises a generator system framework and a shielding plate system framework, wherein the generator system framework comprises a generator support fixedly arranged on the ground, a steel plate tray is fixedly arranged at the top of the generator support, a generator is fixedly arranged on the steel plate tray, a hollow rotating rod connected with a rotating shaft in the generator stretches out of the top of the generator, the hollow rotating rod is formed by connecting a plurality of sections of detachable rotating rods, and four generator blades uniformly distributed along the radial direction are fixedly connected to each section of rotating rod; baffle system framework interval sets up the periphery at generator system framework, baffle system framework includes a plurality of framework struts that shelter from that vertical being fixed in ground, every shelter from the framework strut and can dismantle by the multistage pillar and connect and constitute, every shelter from on the lateral wall of framework strut fixedly connected with and the corresponding multilayer of hollow dwang segment number support bracket, every layer support the outside fixedly connected with of bracket and go up guide slot and lower guide slot, it constructs for ring shape steel with lower guide slot to go up the guide slot, be equipped with the rail in the guide slot down, set the steel wheel on the rail, the left and right sides of steel wheel is passed through the bearing connecting piece and is connected with a small-size motor and an arc deep bead, and small-size motor drives bearing and steel wheel and rotates to promote the arc deep bead and do the circumference operation along the guide slot.

Compared with the prior art, the utility model provides a convex vertical axis formula aerogenerator that shelters from of multilayer, firstly, through setting up the annular upper and lower guide slot of multilayer around the horizontal blade of generator, and the arc deep bead is under the micromotor that sets, bearing and steel wheel drive, can realize 360 circumference operations along the rail in the lower guide slot, when moving the arc deep bead to the left side 1/4 circular arc position of the windward side shown in fig. 1, wind-force only applys anticlockwise pivoted drive power to the generator blade in the right side scope, and the left side makes wind have reverse negative effect to this side generator blade because of the sheltering from of arc deep bead, thereby greatly increased vertical axis aerogenerator's power; secondly, the multi-layer arc wind shield is erected, so that the wind shield can be developed into the air without increasing the floor area, more wind power resources are obtained, the generated energy which is multiple times is obtained, the cost is increased little, and the fan cost of the three-layer generator blade is increased by less than 20% compared with that of the one-layer generator blade; thirdly, the generator blades are layered, and gaps with certain distances are formed between the upper layer and the lower layer, so that the smooth airflow of the blades during rotation is facilitated compared with the whole large blades with the same height as the wind shield, and meanwhile, the phenomenon that the blades generate large torque due to the fact that the area of a single blade is too large during rotation is reduced, the thickness and the weight of the blades need to be increased, and the power generation efficiency of a fan is reduced; finally, based on the technical characteristics, the wind power strength grade required by the power generation starting of the wind driven generator provided by the application only needs 1-2 grades, because the number of layers of the generator blade is increased, the torque obtained by driving the generator rotating shaft by the hollow rotating rod can be increased exponentially, and the increase of all mechanism resistance (mainly the friction force between the spherical bead body at the bottom end of the rotating rod and the spherical concave surface of the generator bottom plate and each section of rotating bearing) is not more than 10%, so that the starting wind power requirement of the wind driven generator is not high, the generated energy is multiplied, the cost performance is high, the wind driven generator is safe and reliable, and the wind driven generator is convenient to. The wind driven generator only needs 1-2 levels of wind for starting, so that the wind driven generator can be suitable for various wind field environments, such as coastal areas, plain areas, plateau areas, valleys, hilly areas and the like.

Further, the lower end and the upper end of the adjacent sections of the rotating rods are connected with each other through screw joints.

Further, the upper portion pole wall welding of every section dwang has the connecting piece, the one end that the rotating lever wall was kept away from to the connecting piece is equipped with the trompil, the generator blade passes through perforation bolt and trompil fixed connection.

Further, the horizontal safety distance between the outermost end of the generator blade and the innermost side of the shielding plate system framework is generally 30-100 cm according to the local maximum wind power, the height of the framework system and the strength of the components.

Furthermore, each shielding framework strut is composed of multiple sections of steel pipes, and adjacent steel pipes are connected through flanges.

Furthermore, the arc wind shield is mainly made of glass fiber reinforced plastic materials.

Further, the internal surface of arc deep bead is the roughness surface, the surface of arc deep bead is smooth surface, set up the punchhole that the diameter is 1 ~ 2cm on the arc deep bead, just the punchhole area is no longer than 10% of arc deep bead total area.

Further, the circular arc wind shield is connected with the small motor and a bearing of the steel wheel through a bottom connecting piece and can circumferentially run.

Furthermore, through the configuration of the steel rail and the steel wheel in the lower guide groove, the circular arc wind shield can circumferentially run along the steel rail and can limit the left and right movement of the bottom of the circular arc wind shield, and the brake is arranged at the top of the circular arc wind shield and brakes through friction force between the wear-resistant rubber blocks and the inner walls of the two sides of the upper guide groove.

Furthermore, the tail end of the arc-shaped wind shield extends to form a curved wind deflector deviating from the hollow rotating rod, and the curved wind deflector is favorable for guiding wind blocked by the windward side of the wind shield to the blades which are not blocked on the adjacent wind driven generators of the same model, so that the wind power is additionally increased.

Drawings

Fig. 1 is the utility model provides a vertical axis formula aerogenerator structure sketch map is sheltered from to the convex multilayer.

Fig. 2 is a schematic view of the connection structure of the generator blade and the hollow rotary rod in fig. 1.

Fig. 3 is a schematic sectional view taken along line a-a in fig. 1.

Fig. 4 is a schematic plan view of a brake actuator according to the present invention.

Fig. 5 is a schematic plan view of a plurality of wind power generator field arrangements provided by the present invention.

In the figure, 10, the generator strut; 11. a steel plate tray; 12. a generator; 13. a hollow rotating rod; 14. a generator blade; 15. a screw joint; 16. a blade attachment; 17. a perforated bolt; 20. shielding the framework strut; 21. supporting the bracket; 22. a lower guide groove; 23. an upper guide groove; 24. a steel rail; 25. a steel wheel; 26. a bearing; 27. an arc wind deflector; 28. a small-sized motor; 29. a flange; 30. a hybrid stepper motor; 31. a support arm; 32. a rubber block; 33. a curved air deflector; 34. connecting the rod pieces.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a multilayer arc-shaped shielding vertical axis wind turbine, including a generator system framework and a shielding plate system framework, wherein the generator system framework includes a generator support post 10 fixedly disposed on the ground, a steel plate tray 11 is fixed on the top of the generator support post 10, a generator 12 is fixedly mounted on the steel plate tray 11, a hollow rotating rod 13 fixedly connected to an internal rotating shaft of the generator extends from the top of the generator 12, the hollow rotating rod 13 is formed by detachably connecting multiple sections (e.g., three sections) of rotating rods, and four generator blades 14 uniformly distributed along a radial direction are fixedly connected to an upper rod wall of each section of rotating rod, so that the generator blades 14 are driven by wind to rotate the hollow rotating rod 13, thereby generating electricity by wind; the baffle plate system framework interval sets up the periphery at generator system framework, promptly be equipped with predetermined safe interval between baffle plate system framework and the generator system framework, baffle plate system framework includes vertical a plurality of (if six) sheltering from framework pillar 20 that are fixed in ground, every shelter from framework pillar 20 and can dismantle by the multistage pillar and connect and constitute, every shelter from on the inner wall of framework pillar 20 fixedly connected with and the corresponding multilayer of hollow dwang 13 segment number support bracket 21, promptly the number of piles that supports bracket 21 is the same with the segment number of hollow dwang 13, for example the number of piles that supports bracket 21 is the three-layer when the segment number of hollow dwang 13 is the three-section, every layer the inboard fixed connection (like the welding) that supports bracket 21 has lower guide slot 22 and upper guide slot 23, lower guide slot 22 and upper guide slot 23 are the channel-section steel that the whole is annular, specifically, the notch of the upper guide groove 23 faces downwards, the notch of the lower guide groove 22 faces upwards, a steel rail 24 is arranged in the lower guide groove 22, a steel wheel 25 is arranged on the steel rail 24, the left side and the right side of the steel wheel 25 are connected with a small motor 28 and an arc wind shield 27 through bearings 26, specifically, the arc wind shield 27 is an 1/4 arc wind shield with the circumference of the upper guide groove or the lower guide groove, the lower end of the arc wind shield 27 is opposite to the steel wheel section and is made of inverted U-shaped steel, the outer ring of the bearing 26 is nested in openings preset in the left side plate and the right side plate of the inverted U-shaped steel, the motor shaft of the small motor 28 passes through the center hole of the bearing 26 and is fixedly connected with the center of the steel wheel 25, the electric control of the small motor 28 and the brake can be controlled by a remote controller or a control plate installed below a fan support, and the rotation of the motor shaft of the small motor 28 and, the arc wind deflector 27 connected to the bearing 26 is driven to move circularly in the upper and lower guide grooves, and the specific position of the arc wind deflector 27 is determined and adjusted according to the current wind direction, for example, the current wind is 15 degrees in the northwest, one end of the arc wind deflector 27 moves to 15 degrees in the west of the north and stops, and the other end of the arc wind deflector 27 is naturally at 75 degrees in the east of the north.

Compared with the prior art, the utility model provides a convex vertical axis formula aerogenerator advantage that shelters from of multilayer, firstly through setting up the annular upper and lower guide slot of multilayer around the horizontal blade of generator, and the arc deep bead is under the micromotor that sets, bearing and steel wheel drive, can realize 360 circumference operations along the rail in the lower guide slot, when moving the arc deep bead to the left side 1/4 circular arc position of the windward side shown in fig. 1, wind-force only applys anticlockwise pivoted drive power to the generator blade in the right side scope, and the left side makes wind have reverse negative effect to this side generator blade because of the sheltering from of arc deep bead, thereby greatly increased vertical axis aerogenerator's power; secondly, the multi-layer arc wind shield is erected, so that the wind shield can be developed into the air without increasing the floor area, more wind power resources are obtained, the generated energy which is multiple times is obtained, the cost is increased little, and the fan cost of the three-layer generator blade is increased by less than 20% compared with that of the one-layer generator blade; thirdly, the generator blades are layered, and gaps with certain distances are formed between the upper layer and the lower layer, so that the smooth airflow of the blades during rotation is facilitated compared with the whole large generator blade with the same height as the wind shield, and meanwhile, the phenomenon that the blades generate large torque due to the fact that the area of a single blade is too large during rotation is reduced, the thickness and the weight of the blades need to be increased, and the generating efficiency of a fan is reduced; finally, based on the technical characteristics, the wind power strength grade required by the power generation starting of the wind driven generator provided by the application only needs 1-2 grades, because the number of layers of the generator blade is increased, the torque obtained by driving the generator rotating shaft by the hollow rotating rod can be increased exponentially, and the increase of all mechanism resistance (mainly the friction force between the spherical ball body at the bottom end of the rotating rod and the spherical concave surface of the generator bottom plate and each section of rotating bearing) is not more than 10%, so that the wind power requirement for starting the wind driven generator is low, the cost performance is high, the wind driven generator is safe and reliable, and the wind driven generator is convenient to build and. The wind driven generator only needs 1-2 levels of wind for starting, so that the wind driven generator can be suitable for various wind field environments, such as coastal areas, plain areas, plateau areas, valleys, hilly areas and the like.

As a specific embodiment, please refer to fig. 2, the upper and lower ends of the adjacent sections of the rotating rods are connected with each other through a screw joint 15, so as to realize that the hollow rotating rod 13 is formed by detachably connecting a plurality of sections of rotating rods; and the multistage dwang adopts and can dismantle the connection, can select the dwang 13 of suitable segment number (the number of piles) from this according to actual conditions, has satisfied the needs of multiple site conditions.

As a specific embodiment, please refer to fig. 2, a connecting piece 16 is welded on the upper shaft wall of each rotating shaft, an opening is formed at one end of the connecting piece 16 away from the rotating shaft wall, and the generator blade 14 is fixedly connected with the opening through a perforated bolt 17, that is, the generator blade 14 is fixedly connected with the upper shaft wall of each rotating shaft through the perforated bolt 17 and the connecting piece 16; of course, the fixed connection of the generator blades 14 to each rotating rod can be realized in other ways based on the field.

As a specific embodiment, the horizontal safety distance between the outermost end of the generator blade 14 and the innermost side of the shielding plate system framework is calculated according to the local maximum wind power, the height of the framework, the strength of the components and the like, and generally can be 30-100 cm, so that a preset safety distance can be kept between the shielding plate system framework and the generator system framework, and the shielding plate system framework is prevented from being damaged in the rotating process of the generator blade 14.

As a specific example, referring to fig. 3, each of the shielding frame struts 20 is formed by a plurality of steel pipes (preferably, the steel pipes are rectangular), and adjacent steel pipes are connected by flanges 29, so that the shielding frame struts 20 can be formed by selecting an appropriate number of steel pipes and an appropriate type of steel pipes according to the field situation.

In a specific embodiment, the curved wind deflector 27 and the blades 14 are mainly made of glass fiber reinforced plastic, and the glass fiber reinforced plastic has the characteristics of light weight, hardness, non-conductivity, acid and alkali resistance, stable performance, good toughness and the like, so that the curved wind deflector is particularly suitable for being used in the application. Other frame materials are steel and alloy products.

As a specific embodiment, the inner surface of the arc wind deflector 27 is a rough surface, the outer surface of the arc wind deflector 27 is a smooth surface, holes with the diameter of 1-2 cm are formed in the arc wind deflector, and the occupied area of the holes is not more than 10% of the total area of the arc wind deflector, so that the influence of the counter-acting force generated by the fact that the generator blades 14 rotate anticlockwise to the left side to shield the part can be reduced, and the influence of the back rebound of the arc wind deflector 27 on the rotation of the generator blades 14 can be reduced.

In a specific embodiment, by the configuration of the steel rail 24 and the steel wheel 25 in the lower guide groove 22, the circular arc wind deflector 27 can circumferentially run along the steel rail 24 and can limit the left and right movement of the bottom of the circular arc wind deflector, and the brake is installed at the top of the circular arc wind deflector 27, and brakes are applied by the friction force between the wear-resistant rubber blocks and the inner walls of the two sides of the upper guide groove 23, and meanwhile, the top of the circular arc wind deflector is prevented from shaking. Specifically referring to fig. 3 and 4, the brake includes a hybrid stepping motor 30 disposed on the top of the circular arc wind deflector 27, a support arm 31 is fixedly connected to a motor shaft of the hybrid stepping motor 30, and wear-resistant rubber blocks 32 are fixed to both ends of the support arm 31, so that when the circular arc wind deflector 27 is operated to a predetermined position, the small motor 28 is powered off and stops rotating, and meanwhile, the hybrid stepping motor 30 rotates clockwise by an angle α according to a set number of control pulses, and is perpendicular to the advancing direction (i.e. tangent line), at this time, the rubber blocks 32 rotate clockwise by the angle α under the driving of the hybrid stepping motor 30 and the stainless steel support arm 31 and cling to the inner walls of the guide grooves 23 on the left and right sides, thereby realizing braking and stopping of the circular arc wind deflector 27, and achieving powerful support of wind for stopping the wind deflector without shaking, further, the surface of the rubber block 32 in close contact with the inner wall of the upper guide groove 23 may be formed as an inclined surface, whereby friction between the two can be increased. On the contrary, when the circular wind deflector 27 needs to be restarted for operation, the small motor 28 can be started to rotate reversely first, so that the wind deflector can back backwards, meanwhile, the hybrid stepping motor 30 rotates anticlockwise by an angle of alpha, so that the rubber block 32 is loosened from the inner walls of the two sides of the upper guide groove 23, the support arm rod 31 and the rubber block 32 are restored to the original positions, the small motor 28 rotates forwards or reversely again, the wind deflector is operated to a new preset position, and the brake stopping operation is repeated.

As a specific embodiment, please refer to fig. 5, a curved air deflector 33 (a cubic curve or a quartic curve) is extended from the end of the curved air deflector 27, and the curved air deflector 33 is adapted to guide the wind blocked by the windward side of the air deflector to the blades of the adjacent wind power generators of the same model that are not blocked by the curved air deflector 27, so that when the multiple multi-layer circular arc-shaped blocked vertical axis wind power generators provided by the present application are arranged in parallel (the horizontal included angle with the wind direction is 90 ° to 60 °), the curved air deflector 33 can guide the wind to the blade of the previous wind power generator that is not blocked by the curved air deflector 27, thereby increasing the generated power of the single wind power generator, and through such an optimized arrangement, the rated power of the single multi-layer blocked vertical axis wind power generator can be increased to more than 1 MW.

As a specific embodiment, when the multilayer arc-shaped shielding vertical axis wind turbine provided by the application encounters a strong wind exceeding the rated power of the wind turbine, such as a strong wind of more than 10 levels, the arc wind deflector shown in fig. 1 can be moved by a proper radian from the left half side to the right half side to reduce the wind-receiving area of the right half side windward blade and increase the reverse rotation wind-receiving area of the left side windward blade, so that the rotating speed of the left side windward blade under the action of the strong wind is reduced and controlled, and the wind turbine can normally and continuously generate power within the rated power.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The multi-layer arc-shaped shielding vertical shaft type wind driven generator is characterized by comprising a generator system framework and a shielding plate system framework, wherein the generator system framework comprises a generator support fixedly arranged on the ground, a steel plate tray is fixedly arranged at the top of the generator support, a generator is fixedly arranged on the steel plate tray, a hollow rotating rod fixedly connected with a rotating shaft in the generator extends out of the top of the generator, the hollow rotating rod is formed by connecting a plurality of sections of detachable rotating rods, and four generator blades uniformly distributed along the radial direction are fixedly connected to each section of rotating rod; baffle plate system framework interval sets up the periphery at generator system framework, baffle plate system framework includes a plurality of framework struts that shelter from that vertical being fixed in ground, every shelter from the framework strut and can dismantle by the multistage pillar and connect and constitute, every shelter from on the inner wall of framework strut fixedly connected with and the corresponding multilayer of hollow dwang segment number support bracket, every layer support bracket fixedly connected with and go up guide slot and lower guide slot, it constructs for the ring steel structure with lower guide slot to go up the guide slot, be equipped with the rail in the guide slot down, set the steel wheel on the rail, the left and right sides of steel wheel is passed through the bearing connecting piece and is connected with a small-size motor and an arc deep bead, and small-size motor drives bearing and steel wheel and rotates to promote the arc deep bead and do the circumference operation along the guide slot.

2. The multi-layer circular arc shielding vertical shaft wind driven generator according to claim 1, wherein the lower end and the upper end of the adjacent rotating rod sections are connected through a screw joint.

3. The multi-layer circular arc shielding vertical shaft type wind driven generator according to claim 1, wherein 4 connecting pieces are welded on the wall of each rotating rod section, and the other ends of the connecting pieces are connected with the blades through perforated bolts.

4. The multi-layer circular arc shielding vertical axis wind driven generator according to claim 1, wherein the horizontal safety distance between the outermost end of the generator blade and the innermost side of the shielding plate system framework strut is generally 30-100 cm according to the local maximum wind power and the height of the framework system and the component strength.

5. The multi-deck circular arc shielding vertical axis wind power generator as claimed in claim 1, wherein each of the shielding framework struts is formed by flange-connecting a plurality of steel pipes, and the adjacent steel pipes are reinforced by connecting members and annular upper and lower guide grooves.

6. The multi-layer circular arc shielding vertical shaft type wind driven generator according to claim 1, wherein the arc wind shielding plate is mainly made of glass fiber reinforced plastic, the inner surface of the arc wind shielding plate is a rough surface, the outer surface of the arc wind shielding plate is a smooth surface, holes with the diameter of 1-2 cm are formed in the arc wind shielding plate, and the area occupied by the holes is not more than 10% of the total area of the arc wind shielding plate.

7. The multi-layer circular arc shielding vertical shaft type wind driven generator according to claim 1, wherein the circular arc wind shielding plate is connected with a motor and a bearing of a steel wheel through a bottom connecting piece and can perform circular motion.

8. The multi-layer circular arc shielding vertical shaft type wind driven generator according to claim 1, wherein the circular arc wind shield can run along the circumference of the steel rail and can limit the left and right movement of the bottom of the circular arc wind shield by the arrangement of the steel rail and the steel wheel in the lower guide groove, the top of the circular arc wind shield is provided with a brake, and the brake is realized by the friction force between the wear-resistant rubber block and the inner walls at the two sides of the upper guide groove.

9. The multi-layer circular arc shielding vertical shaft wind driven generator according to claim 1, wherein the operation control of the arc wind shield is controlled by a remote controller or an electric control switch arranged below the supporting column.

10. The multi-layer circular arc shielding vertical shaft type wind driven generator according to claim 1, wherein a curved wind deflector which deviates from the hollow rotating rod extends from the tail end of the arc wind shielding plate, the curved wind deflector is beneficial to guiding wind blocked by the windward side of the wind shielding plate to unshielded generator blades on adjacent wind driven generators of the same type, so that the wind power is additionally enhanced, and a plurality of fans are combined and arranged in a straight line shape, and the horizontal included angle between the fans and the wind direction is 90-60 degrees.