CN213928634U

CN213928634U - Protective wind turbine

Info

Publication number: CN213928634U
Application number: CN202022416019.8U
Authority: CN
Inventors: 张晓林; 张明宇; 李善耀; 朱凯青; 曹若鹏
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-08-10
Anticipated expiration: 2030-10-27

Abstract

The utility model belongs to the technical field of wind energy conversion system, especially, be a protection type wind energy conversion system, including the tower pole, the top fixedly connected with sleeve of tower pole, the connecting axle is installed in telescopic internal rotation, the top fixedly connected with yaw gear of connecting axle, the motor case, two are all installed at telescopic top both ends the yaw driving motor is all installed, two in the motor case the output shaft of yaw driving motor all runs through telescopic top fixedly connected with axis of rotation, two the equal fixedly connected with yaw motor gear in bottom of axis of rotation, two the yaw motor gear is located respectively the both ends of yaw gear, and intermeshing between the three, telescopic top one end fixed mounting control ware. The utility model discloses convenient to use can effectually prevent that generator and blade from receiving the harm, can improve the efficiency of acquireing of wind energy simultaneously.

Description

Protective wind turbine

Technical Field

The utility model relates to a wind energy conversion system technical field especially relates to a protection type wind energy conversion system.

Background

Wind turbines are devices that convert the kinetic energy of wind into mechanical energy, and one of the most important applications of wind turbines is to form a wind turbine generator together with a generator and other devices. The wind driven generator can be divided into a horizontal axis wind driven generator and a vertical axis wind driven generator according to the structure, the axis of the wind wheel of the horizontal axis wind driven generator is parallel to the wind direction, and the rotating shaft and the blades of the wind wheel of the vertical axis wind driven generator are both vertically arranged. Wind power generators are classified into a lift type wind power generator using a lift force as a driving force and a drag type wind power generator using a drag force as a driving force according to a driving force. The horizontal axis lift type wind driven generator is the mainstream of the existing wind power generation equipment, and compared with the vertical axis wind driven generator, the horizontal axis wind driven generator has the advantages of high wind energy conversion efficiency, mature processing technology and the like.

However, in the prior art, the generator part of the wind turbine is easily corroded by rainwater, and meanwhile, most of the wind turbines fix the orientation of the fan blades in advance according to the wind direction, but the wind direction of part of regions is not fixed, so that the wind turbine obtains low wind power, and therefore, a protective wind turbine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a protective wind turbine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a protective wind turbine comprises a tower rod, wherein a sleeve is fixedly connected to the top end of the tower rod, a connecting shaft is rotatably arranged in the sleeve, a yaw gear is fixedly connected to the top end of the connecting shaft, motor boxes are respectively arranged at two ends of the top of the sleeve, yaw driving motors are respectively arranged in the two motor boxes, output shafts of the two yaw driving motors respectively penetrate through the top of the sleeve and are fixedly connected with a rotating shaft, yaw motor gears are respectively fixedly connected to the bottom ends of the two rotating shafts, the two yaw motor gears are respectively arranged at two ends of the yaw gear and are mutually meshed, a controller is fixedly arranged at one end of the top of the sleeve, a supporting shaft is fixedly arranged at the top of the yaw gear, a generator is fixedly arranged at the top of the supporting shaft, a protective cover with a downward opening is sleeved on the surface of the generator, the wind direction sensor is installed on one side of the tower pole, and the controller is electrically connected with the wind direction sensor and the yaw driving motor.

Preferably, a bearing is fixedly mounted on the inner wall of the bottom of the sleeve, and an inner ring at the top end of the bearing is fixedly connected with the bottom end of the connecting shaft.

Preferably, a support is fixedly installed in the motor box, and the driving motor is fixed in the motor box through the support.

Preferably, the four vanes are annularly distributed on the surface of the rotor.

Preferably, one side of the protective cover is provided with a connecting hole, and the rotor penetrates through the connecting hole.

Preferably, a supporting plate is fixedly mounted on one side of the tower rod, and the wind direction sensor is fixed to the supporting plate through a bolt.

Preferably, the anti-corrosion layer is a polyurethane finish.

Compared with the prior art, the beneficial effects of the utility model are that: when the wind power drives the blades to rotate, the rotor and the generator convert wind energy into electric energy, the anti-corrosion layer is laid on the surfaces of the blades, the blades can be effectively prevented from being damaged by rainwater and long-time insolation, meanwhile, the surface of the generator is sleeved with a protective cover which can effectively prevent the generator from being eroded by rainwater, the wind direction sensor monitors the wind direction in the using process, the controller can control the yaw driving motor to rotate, the yaw driving motor rotates to drive the rotating shaft to rotate so as to drive the yaw motor gears to rotate, the two yaw motor gears simultaneously drive the same yaw gear to rotate, thereby driving the support shaft to rotate, the support shaft rotates to enable the generator to drive the blades to rotate through the rotor, therefore, the orientation of the blade is changed, the blade can be always aligned with the wind direction, and the wind turbine can acquire wind energy to the maximum extent.

The utility model discloses convenient to use can effectually prevent that generator and blade from receiving the harm, can improve the efficiency of acquireing of wind energy simultaneously.

Drawings

FIG. 1 is a schematic side view of the cross-sectional structure of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a partially enlarged structural diagram of a portion a in fig. 1.

In the figure: 1. a tower pole; 2. a sleeve; 3. a connecting shaft; 4. a yaw gear; 5. a motor case; 6. a yaw drive motor; 7. A rotating shaft; 8. a yaw motor gear; 9. a controller; 10. a support shaft; 11. a generator; 12. a protective cover; 13. a rotor; 14. a blade; 15. an anti-corrosion layer; 16. a wind direction sensor; 17. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a protective wind turbine comprises a tower rod 1, a sleeve 2 is welded at the top end of the tower rod 1, a connecting shaft 3 is rotatably installed inside the sleeve 2, a yaw gear 4 is welded at the top end of the connecting shaft 3, motor boxes 5 are installed at two ends of the top of the sleeve 2, yaw driving motors 6 are installed in the two motor boxes 5, output shafts of the two yaw driving motors 6 penetrate through the top of the sleeve 2 and are welded with rotating shafts 7, yaw motor gears 8 are welded at the bottom ends of the two rotating shafts 7, the two yaw motor gears 8 are respectively located at two ends of the yaw gear 4 and are mutually meshed, a controller 9 is welded at one end of the top of the sleeve 2, a supporting shaft 10 is welded at the top of the yaw gear 4, a generator 11 is welded at the top of the supporting shaft 10, a protective cover 12 with a downward opening is sleeved on the surface of the generator 11, and a rotor 13 is inserted at one end of the generator 11, the surface of one end of the rotor 13 is welded with four blades 14, the surface of each blade 14 is paved with an anti-corrosion layer 15, one side of the tower pole 1 is provided with a wind direction sensor 16, and the controller 9 is electrically connected with the wind direction sensor 16 and the yaw driving motor 6; the welding has bearing 17 on sleeve 2's the bottom inner wall, bearing 17's top inner circle and connecting axle 3's bottom welding, the welding has the support in the motor case 5, driving motor passes through the support to be fixed in motor case 5, and four blades 14 are the annular and distribute on rotor 13's surface, and the connecting hole has been seted up to one side of protection casing 12, and rotor 13 runs through the connecting hole, and the welding of one side of tower pole 1 has the backup pad, and wind direction sensor 16 passes through the bolt fastening in the backup pad, and anti-corrosion coating 15 is the polyurethane finish paint, the utility model discloses convenient to use can effectually prevent that generator and blade from receiving the harm, can improve the efficiency of acquireing of wind energy simultaneously.

The working principle is as follows: when wind power drives the blades 14 to rotate, wind energy is converted into electric energy through the rotor 13 and the generator 11, an anti-corrosion layer 15 is laid on the surface of each blade 14, so that damage to the blades 14 caused by rainwater and long-term insolation can be effectively prevented, meanwhile, a protective cover 12 is sleeved on the surface of the generator 11, so that the generator 11 can be effectively prevented from being corroded by the rainwater, a wind direction sensor 16 monitors the wind direction in the use process and transmits signals to a controller 9, the controller 9 can control the yaw driving motor 6 to rotate, the yaw driving motor 6 rotates to drive the rotating shaft 7 to rotate so as to drive the yaw motor gears 8 to rotate, two yaw motor gears 8 simultaneously drive the same yaw gear 4 to rotate, so as to drive the supporting shaft 10 to rotate, the supporting shaft 10 rotates to drive the generator 11 to rotate, the rotating direction of the generator 11 enables the rotor 13 connected with the generator 11 to drive the blades 14 to rotate, thereby change the orientation of blade 14 for blade 14 can aim at the wind direction all the time, thereby makes the acquisition wind energy that the wind energy machine can furthest, the utility model discloses convenient to use can effectually prevent that generator and blade from receiving the harm, can improve the acquisition efficiency of wind energy simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A protection type wind turbine comprises a tower pole (1), and is characterized in that: the tower comprises a tower rod (1), a sleeve (2) is fixedly connected to the top end of the tower rod (1), a connecting shaft (3) is installed inside the sleeve (2) in a rotating mode, a yaw gear (4) is fixedly connected to the top end of the connecting shaft (3), motor boxes (5) are installed at two ends of the top of the sleeve (2), yaw driving motors (6) are installed in the two motor boxes (5), output shafts of the two yaw driving motors (6) penetrate through the top of the sleeve (2) and are fixedly connected with rotating shafts (7), yaw motor gears (8) are fixedly connected to the bottom ends of the two rotating shafts (7), the two yaw motor gears (8) are respectively located at two ends of the yaw gear (4) and are meshed with one another, a controller (9) is fixedly installed at one end of the top of the sleeve (2), and a supporting shaft (10) is fixedly installed at the top of the yaw gear (4), the top fixed mounting of back shaft (10) has generator (11), the surface cover of generator (11) is equipped with opening protection casing (12) down, the one end of generator (11) is pegged graft and is had rotor (13), the one end fixed surface of rotor (13) is connected with four blades (14), anti-corrosion coating (15) have been laid on the surface of blade (14), wind direction sensor (16) are installed to one side of tower pole (1), controller (9) with equal electric connection between wind direction sensor (16), driftage driving motor (6).

2. The protective wind turbine according to claim 1, wherein: and a bearing (17) is fixedly mounted on the inner wall of the bottom of the sleeve (2), and an inner ring at the top end of the bearing (17) is fixedly connected with the bottom end of the connecting shaft (3).

3. The protective wind turbine according to claim 1, wherein: the support is fixedly installed in the motor box (5), and the driving motor is fixed in the motor box (5) through the support.

4. The protective wind turbine according to claim 1, wherein: the four blades (14) are distributed on the surface of the rotor (13) in an annular shape.

5. The protective wind turbine according to claim 1, wherein: a connecting hole is formed in one side of the protective cover (12), and the rotor (13) penetrates through the connecting hole.

6. The protective wind turbine according to claim 1, wherein: a supporting plate is fixedly mounted on one side of the tower rod (1), and the wind direction sensor (16) is fixed to the supporting plate through bolts.

7. The protective wind turbine according to claim 1, wherein: the anti-corrosion layer (15) is polyurethane finish.