阅读说明：本技术 一种具有过载保护功能的垂直轴风力发电机 (Vertical axis wind turbine with overload protection function ) 是由 曾贵 于 2020-04-17 设计创作，主要内容包括：本发明涉及风力发电技术领域,且公开了一种具有过载保护功能的垂直轴风力发电机,包括塔架,所述塔架的内部开设有空腔,空腔的底部固定连接有电机,台风等强对流天气来临时,控制电机运行使其输出轴顶部固定连接的螺杆旋转,螺杆旋转带动其外壁螺纹连接的螺母运动,因为螺母的外壁插接有插杆,所以螺母在螺杆的带动下只能够水平上升,螺母水平上升通过连接杆和竖杆带动第一磁圈水平上升,第一磁圈水平上升逐渐靠近第二磁圈,因为第一磁圈的磁性与第二磁圈的磁性相同,所述第一磁圈与第二磁圈相互排斥,此时第二磁圈会受到向上的推力,而转盘在向上的推力的作用下转速会显著降低,防止发生过载。(The invention relates to the technical field of wind power generation, and discloses a vertical axis wind power generator with an overload protection function, which comprises a tower frame, wherein a cavity is formed in the tower frame, the bottom of the cavity is fixedly connected with a motor, when strong convection weather such as typhoon comes, the motor is controlled to operate to rotate a screw rod fixedly connected with the top of an output shaft of the motor, the screw rod rotates to drive a nut in threaded connection with the outer wall of the screw rod to move, the nut can only horizontally rise under the drive of the screw rod because an inserted rod is inserted in the outer wall of the nut, the horizontal rise of the nut drives a first magnetic ring to horizontally rise through a connecting rod and a vertical rod, the horizontal rise of the first magnetic ring gradually approaches a second magnetic ring, the magnetism of the first magnetic ring is the same as that of the second magnetic ring, the first magnetic ring and the second magnetic ring are mutually exclusive, at the moment, the second magnetic ring can bear upward thrust, and the rotating speed of a rotary, preventing overload from occurring.)

1. A vertical axis wind turbine with overload protection function, comprising a tower (1), characterized in that: the tower is characterized in that a cavity (2) is formed in the tower (1), a bottom plate (3) is fixedly connected to the inner bottom wall of the cavity (2), a motor (4) is fixedly connected to the top of the bottom plate (3), a screw rod (5) is fixedly connected to the top of an output shaft of the motor (4), a bearing (6) is movably connected to the top of the screw rod (5), the bearing (6) is fixedly connected to the bottom of a top plate (13), a nut (7) is connected to the outer wall of the screw rod (5) in a threaded manner, an inserted rod (8) is inserted into the nut (7), a limiting plate (9) is movably connected to the bottom of the nut (7), a connecting rod (10) is fixedly connected to the outer wall of the nut (7), a movable groove (11) is movably connected to the outer wall of the connecting rod (10), and a, the utility model discloses a wind power generation device, including montant (12), the first magnetosphere of top fixedly connected with (15) of montant (12), the top fixedly connected with electricity generation cabinet (14) of roof (13), the top of electricity generation cabinet (14) is provided with wind wheel axle (16), the outer wall fixedly connected with carousel (17) of wind wheel axle (16), the bottom fixedly connected with second magnetosphere (18) of carousel (17), the outer wall fixedly connected with leaf pole (19) of carousel (17), the top fixedly connected with blade (20) of leaf pole (19).

2. A vertical axis wind turbine with overload protection according to claim 1, wherein: the inserted bar (8) is fixedly connected between the bearing (6) and the limiting plate (9).

3. A vertical axis wind turbine with overload protection according to claim 1, wherein: the limiting plate (9) is positioned below the movable groove (11).

4. A vertical axis wind turbine with overload protection according to claim 1, wherein: the first magnetic ring (15) and the second magnetic ring (18) have the same magnetism.

5. A vertical axis wind turbine with overload protection according to claim 1, wherein: the rotary table (17) and the blade rods (19) are provided with two groups.

6. A vertical axis wind turbine with overload protection according to claim 1, wherein: the outer wall of the nut (7) is provided with a slot matched with the inserted rod (8).

7. A vertical axis wind turbine with overload protection according to claim 1, wherein: the movable groove (11) is formed in the outer wall of the tower frame (1).

Technical Field

The invention relates to the technical field of wind power generation, in particular to a vertical axis wind driven generator with an overload protection function.

Background

Wind power generators can convert wind energy into electric energy, are an environment-friendly, pollution-free and renewable new energy technology, and can be generally divided into an asynchronous type, a synchronous type, a horizontal shaft and a vertical shaft according to the type of the generator, wherein the vertical shaft wind power generator is widely used due to the advantages of high efficiency, no noise and simple maintenance, and contributes huge electric quantity to production and construction of China, but in actual use, the traditional vertical shaft wind power generator still has certain defects, such as:

1. when strong convection weather such as typhoon comes, the blades of the vertical axis wind driven generator are rapidly rotated by strong wind power and accelerated by the planet accelerating gears in the power generation cabinet, the total output power is very large and far exceeds the maximum power of the power generation cabinet, overload is very easy to occur, and a circuit can be damaged.

2. Some vertical axis aerogenerator's the inside decelerator that is provided with of power generation cabinet, but set up decelerator in power generation cabinet inside one and design very complicacy, break down easily, the second occupation space is also bigger, has increased the volume of power generation cabinet.

Based on the above, a vertical axis wind turbine with an overload protection function is provided, and the problems in the prior art are solved hopefully.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the vertical axis wind driven generator with the overload protection function, which has the advantage of the overload protection function and solves the problem that the vertical axis wind driven generator is easy to overload under strong wind power.

(II) technical scheme

In order to achieve the purpose of having the overload protection function, the invention provides the following technical scheme: a vertical axis wind driven generator with an overload protection function comprises a tower frame, wherein a cavity is formed in the tower frame, a bottom plate is fixedly connected to the inner bottom wall of the cavity, a motor is fixedly connected to the top of the bottom plate, a screw rod is fixedly connected to the top of an output shaft of the motor, a bearing is movably connected to the top of the screw rod, the bearing is fixedly connected to the bottom of a top plate, a nut is in threaded connection with the outer wall of the screw rod, an inserted rod is inserted into the nut, a limiting plate is movably connected to the bottom of the nut, a connecting rod is fixedly connected to the outer wall of the nut, a movable groove is movably connected to the outer wall of the connecting rod, a vertical rod is fixedly connected to the top of the connecting rod, a first magnetic ring is fixedly connected to the top of the vertical rod, a power generation, the outer wall of the wind wheel shaft is fixedly connected with a rotary table, the bottom of the rotary table is fixedly connected with a second magnetic ring, the outer wall of the rotary table is fixedly connected with a blade rod, and the top end of the blade rod is fixedly connected with a blade.

Preferably, the inserted bar is fixedly connected between the bearing and the limiting plate, and the inserted bar limits the movement of the nut, so that the nut can only horizontally ascend or descend under the driving of the screw rod.

Preferably, the limiting plate is located below the movable groove, so that the movement of the nut is limited, and the nut is prevented from moving downwards and being separated from the screw rod too much.

Preferably, the first magnetic ring and the second magnetic ring have opposite magnetism, like magnetic poles repel each other, and the rotating speed of the rotating disk can be remarkably reduced under the action of magnetic force.

Preferably, the turntable and the blade rods are both provided with two groups, so that the position of the blade can be stably fixed, and the overall structure is more stable and reliable.

Preferably, the outer wall of the nut is provided with a slot matched with the inserted rod, so that the movement of the nut is more stable.

Preferably, the movable groove is formed in the outer wall of the tower frame, and the connecting rod has sufficient movable space and cannot block a moving path.

(III) advantageous effects

Compared with the prior art, the invention provides a vertical axis wind turbine with an overload protection function, which has the following beneficial effects:

1. this vertical axis aerogenerator with overload protection function, strong convection weather such as typhoon comes temporarily, the control motor operation is rotatory with its output shaft top fixed connection's screw rod, the rotatory nut motion that drives its outer wall threaded connection of screw rod, because the outer wall of nut is pegged graft and is had the inserted bar, so the nut can only the level rise under the drive of screw rod, the nut level rises and drives first magnetic ring level through connecting rod and montant and rises, slow down the blade, through the motor, the screw rod, the nut, the inserted bar, the connecting rod, the montant, cooperation between first magnetic ring and the blade is used, thereby the effect with overload protection function has been reached.

2. This vertical axis aerogenerator with overload protection function, first magnetosphere level rise is close to the second magnetosphere gradually, because the magnetism of first magnetosphere is the same with the magnetism of second magnetosphere, first magnetosphere and second magnetosphere repel each other, and the second magnetosphere can receive ascending thrust this moment, and the carousel is showing the reduction at the effect of ascending thrust down rotational speed, prevents to take place the overload, uses through the cooperation between first magnetosphere, second magnetosphere and the carousel to the effect that has overload protection function has been reached.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention.

In the figure: 1-tower, 2-cavity, 3-bottom plate, 4-motor, 5-screw, 6-bearing, 7-nut, 8-inserted rod, 9-limiting plate, 10-connecting rod, 11-movable groove, 12-vertical rod, 13-top plate, 14-power generation cabinet, 15-first magnetic ring, 16-wind wheel shaft, 17-rotary table, 18-second magnetic ring, 19-blade rod and 20-blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a vertical axis wind turbine with overload protection function includes a tower frame 1, a cavity 2 is formed inside the tower frame 1, a bottom plate 3 is fixedly connected to an inner bottom wall of the cavity 2, a motor 4 is fixedly connected to a top of the bottom plate 3, the motor 4 can be a motor 4 of a begeda brand 57BG76 model, a screw 5 is fixedly connected to a top of an output shaft of the motor 4, a bearing 6 is movably connected to a top of the screw 5, the bearing 6 is fixedly connected to a bottom of a top plate 13, a nut 7 is connected to an outer wall of the screw 5 in a threaded manner, a slot matched with an inserted rod 8 is formed in an outer wall of the nut 7, so that the movement of the nut 7 is more stable, the inserted rod 8 is inserted into the nut 7, the inserted rod 8 is fixedly connected between the bearing 6 and a limiting plate 9, the movement of the nut 7 is limited by the inserted rod 8, the bottom of the nut 7 is movably connected with a limiting plate 9, the limiting plate 9 is positioned below a movable groove 11 to prevent the nut 7 from excessively moving downwards to separate from the screw rod 5, the outer wall of the nut 7 is fixedly connected with a connecting rod 10, the outer wall of the connecting rod 10 is movably connected with the movable groove 11, the movable groove 11 is arranged on the outer wall of the tower frame 1, the connecting rod 10 has sufficient movable space and cannot block a movement path, the top of the connecting rod 10 is fixedly connected with a vertical rod 12, the top of the vertical rod 12 is fixedly connected with a first magnetic ring 15, the top of a top plate 13 is fixedly connected with a power generation cabinet 14, the top of the power generation cabinet 14 is provided with a wind wheel shaft 16, the outer wall of the wind wheel shaft 16 is fixedly connected with a turntable 17, the bottom of the turntable 17 is fixedly connected with a second magnetic ring 18, the first magnetic ring 15 and the second magnetic ring 18 have the same magnetism, like magnetic, the outer wall fixedly connected with leaf pole 19 of carousel 17, carousel 17 and leaf pole 19 all are provided with two sets ofly, the position of fixing blade 20 that can be stable, make overall structure more reliable and stable, the top fixedly connected with blade 20 of leaf pole 19.

The working principle is that when strong convection weather such as typhoon comes, the motor 4 is controlled to rotate the screw rod 5 fixedly connected with the top of the output shaft of the motor, the screw rod 5 rotates to drive the nut 7 in threaded connection with the outer wall of the screw rod 5 to move, the outer wall of the nut 7 is inserted with the inserted rod 8, the nut 7 can only be horizontally lifted under the drive of the screw rod 5, the nut 7 horizontally lifts through the connecting rod 10 and the vertical rod 12 to drive the first magnetic ring 15 to horizontally lift, the first magnetic ring 15 horizontally lifts to be gradually close to the second magnetic ring 18, the magnetism of the first magnetic ring 15 is the same as that of the second magnetic ring 18, the first magnetic ring 15 and the second magnetic ring 18 repel each other, the second magnetic ring 18 can bear upward thrust, the rotating speed of the rotating disc 17 can be obviously reduced under the effect of the upward thrust, and overload is prevented.

In summary, in the vertical axis wind turbine with the overload protection function, when strong convection weather such as typhoon comes, the motor 4 is controlled to rotate the screw 5 fixedly connected to the top of the output shaft of the motor, the screw 5 rotates to drive the nut 7 in threaded connection with the outer wall of the screw to move, because the outer wall of the nut 7 is inserted with the insertion rod 8, the nut 7 can only horizontally rise under the driving of the screw 5, the nut 7 horizontally rises to drive the first magnetic ring 15 to horizontally rise through the connecting rod 10 and the vertical rod 12, the blade 20 is decelerated, and the motor 4, the screw 5, the nut 7, the insertion rod 8, the connecting rod 10, the vertical rod 12, the first magnetic ring 15 and the blade 20 are used in a matched manner, so that the effect of the overload protection function is achieved; the first magnetic ring 15 rises horizontally and is gradually close to the second magnetic ring 18, because the magnetism of the first magnetic ring 15 is the same as that of the second magnetic ring 18, the first magnetic ring 15 and the second magnetic ring 18 repel each other, the second magnetic ring 18 can bear upward thrust at the moment, the rotating speed of the rotary table 17 is obviously reduced under the action of the upward thrust, overload is prevented, and the first magnetic ring 15, the second magnetic ring 18 and the rotary table 17 are matched for use, so that the effect of overload protection is achieved.

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.