Adjustable vertical axis wind turbine

Abstract

The adjustable vertical axis wind driven generator comprises a tubular column, a driving shaft is arranged at the top end of the tubular column, a connecting sleeve is installed outside the top end of the driving shaft, the outer surface of the connecting sleeve is rotationally connected with annularly-arranged rotating shafts, and blades are installed at the end, away from the connecting sleeve, of each rotating shaft. Through cooperation of the rotating shaft, the hanging plate, the telescopic rod, the connecting frame and the balancing weight, along with increase of wind power, the blades can deflect with the rotating shaft as the circle center, meanwhile, the telescopic rod is pulled to stretch, the blades gradually deflect to be in a straight state, the windward area is reduced, and wind resistance is reduced, so that the rotating speed of the blades is controlled; when the wind speed is small, the blades deflect and reset under the action of the balancing weights, the windward area of the blades is increased, the wind resistance is improved, the normal rotating speed of the blades is guaranteed, and the wind driven generator can adapt to different wind speed conditions and always keep efficient operation.

Description

TECHNICAL FIELD

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

[0002] The vertical axis wind turbine is a device for generating electricity by using wind energy, and its rotating shaft is perpendicular to the ground. Compared with the horizontal axis wind turbine, the vertical axis wind turbine has the advantages of simple structure, convenient maintenance and strong adaptability.

[0003] The blades of the traditional vertical axis wind turbine are fixed, when the wind is strong, the force acting on the blades increases, so that the rotating speed increases, and the vertical axis wind turbine with fixed blades may lose control due to excessive speed, and even the blades may be broken or the overall structure may be damaged, which may cause safety hazards. Therefore, the present application provides an adjustable vertical axis wind turbine to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The present application aims to provide an adjustable vertical axis wind turbine to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] The adjustable vertical axis wind turbine comprises a pipe column, a driving shaft is arranged at the top end of the pipe column, a connecting sleeve is mounted on the top end of the driving shaft, a plurality of rotating shafts are arranged in a ring shape and are rotatably connected to the outer surface of the connecting sleeve, a blade is mounted at the end of each rotating shaft away from the connecting sleeve, a plurality of hanging plates are arranged in a ring shape and are fixedly connected to the outer surface of the connecting sleeve, a sleeve is fixedly connected to the bottom ends of the two groups of hanging plates, a plurality of supporting plates are arranged in a ring shape and are fixedly connected to the outer surface of the sleeve, a group of telescopic rods are hingedly connected to the upper surfaces of each supporting plate, a connecting frame is hingedly connected to the telescopic end of each telescopic rod, the top end of each connecting frame is hingedly connected to the bottom surface of the blade, and a counterweight is hingedly connected to the bottom surface of each blade.

[0007] In a further embodiment, a ring-shaped groove is formed in the bottom surface of the sleeve, a ring-shaped plate is slidably connected to the inner wall of the ring-shaped groove, and a supporting ring is fixedly connected to the bottom surface of the ring-shaped plate.

[0008] In a further embodiment, the ends of the two groups of hanging plates away from each other are fixedly connected to a reinforcing ring.

[0009] In a further embodiment, a plurality of top rods are arranged in a ring shape and are hingedly connected to the outer surface of the pipe column, and a support is hingedly connected to the bottom end of each top rod.

[0010] In further embodiments, the inner wall of the sleeve is in sliding connection with the outer surface of the pipe column.

[0011] In further embodiments, the bottom end of the pipe column is provided with a mounting seat.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The present application is provided with the cooperation of the pivot, the hanging plate, the telescopic rod, the connecting frame and the counterweight, as the wind force increases, the blade will deflect with the pivot as the center, and the telescopic rod will be pulled to extend, the blade will gradually deflect to a flat state, the wind area is reduced, the wind resistance is reduced, so as to control the rotation speed of the blade, avoid the generator rotating too fast due to the too large wind speed, when the wind speed is small, the blade is deflected and reset under the action of the counterweight, the wind area of the blade is increased, the wind resistance is increased, the normal rotation speed of the blade is ensured, the wind driven generator can adapt to different wind speed conditions, and efficient operation is always maintained. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a perspective structural schematic view of the reinforcing ring top view of the adjustable vertical axis wind driven generator.

[0015] Fig. 2 It is a perspective structural schematic view of the reinforcing ring top view of the adjustable vertical axis wind driven generator.

[0016] Fig. 3 It is a perspective structural schematic view of the sleeve front view of the adjustable vertical axis wind driven generator.

[0017] In the figure: 1, drive shaft;2, reinforcing ring;3, counterweight;4, hanging plate;5, connecting sleeve;6, blade;7, connecting frame;8, telescopic rod;9, support plate;10, top rod;11, support;12, sleeve;13, pivot;14, annular groove;15, annular plate;16, support ring;17, pipe column. DETAILED DESCRIPTION

[0018] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 In the utility model, the adjustable vertical axis wind driven generator comprises a pipe column 17, the top end of the pipe column 17 is provided with a driving shaft 1, the bottom end of the pipe column 17 is installed with a mounting seat, the mounting seat can be used to fix the pipe column 17, and the pipe column 17 can be kept in a stable state.

[0021] The outer surface of the pipe column 17 is hingedly connected with top rods 10 arranged in a ring, the bottom end of each top rod 10 is hingedly connected with a support 11, the cooperation of the top rods 10 and the supports 11 can further stabilize the pipe column 17, and the pipe column 17 can be kept in a firm state.

[0022] The top end of the driving shaft 1 is externally installed with a connecting sleeve 5, the outer surface of the connecting sleeve 5 is rotatably connected with rotating shafts 13 arranged in a ring, one end of each rotating shaft 13 away from the connecting sleeve 5 is installed with a blade 6, when wind blows on the blade 6, the blade 6 will drive the driving shaft 1 to rotate through the connecting sleeve 5, so that the effect of power transmission can be realized.

[0023] The outer surface of the connecting sleeve 5 is fixedly connected with hanging plates 4 arranged in a ring, the bottom ends of the two groups of hanging plates 4 are fixedly connected with a sleeve 12, the sleeve 12 can be connected between the connecting sleeve 5 and the sleeve 12 through the hanging plates 4, so that the connecting sleeve 5 can drive the sleeve 12 to rotate synchronously.

[0024] The ends of the two groups of hanging plates 4 away from each other are fixedly connected with reinforcing rings 2, the reinforcing rings 2 can be used to connect the hanging plates 4, so that the firmness of the hanging plates 4 can be ensured.

[0025] The inner wall of the sleeve 12 is slidably connected with the outer surface of the pipe column 17, when the sleeve 12 rotates, the sleeve 12 can stably rotate around the pipe column 17, and the sleeve 12 can prevent the sleeve 12 from being stuck.

[0026] The outer surface of the sleeve 12 is fixedly connected with the annularly arranged supporting plates 9, the upper surface of each supporting plate 9 is hingedly connected with a group of telescopic rods 8, the telescopic end of each telescopic rod 8 is hingedly connected with a connecting frame 7, the top end of each connecting frame 7 is hingedly connected with the bottom surface of the blade 6, when the blade 6 is subjected to a relatively large wind force, the blade 6 will deflect around the rotating shaft 13, at the same time, the blade 6 will pull the telescopic rod 8 to stretch, the blade 6 will gradually deflect to a flat state, the windward area is reduced, the wind resistance is reduced, the rotating speed of the blade 6 is gradually reduced, the rotating speed of the blade 6 is controlled, the generator speed is prevented from being too fast due to the too large wind speed, so as to protect the generator and maintain the stable power generation efficiency.

[0027] The bottom surface of the sleeve 12 is provided with an annular groove 14, the inner wall of the annular groove 14 is slidably connected with an annular plate 15, the bottom surface of the annular plate 15 is fixedly connected with a supporting ring 16, the inner wall of the supporting ring 16 is connected with the outer surface of a pipe column 17, the annular plate 15 is supported by the supporting ring 16, at the same time, the annular plate 15 will stably support the sleeve 12, further ensuring the stability of the sleeve 12 supporting the supporting plate 9.

[0028] The bottom surface of each blade 6 is hingedly connected with a counterweight 3, when the wind speed is relatively small, the blade 6 will be deflected to reset under the influence of the counterweight 3, the windward area of the blade 6 is increased, the wind resistance is increased, and the normal rotating speed of the blade 6 is ensured.

[0029] The working principle of the application is that when the blade 6 is driven to rotate by the wind force, with the increase of the wind force, the blade 6 will deflect around the rotating shaft 13, at the same time, the blade 6 will pull the telescopic rod 8 to stretch, the blade 6 will gradually deflect to a flat state, the windward area is reduced, the wind resistance is reduced, the rotating speed of the blade 6 is gradually reduced, the rotating speed of the blade 6 is controlled, the generator speed is prevented from being too fast due to the too large wind speed, so as to protect the generator and maintain the stable power generation efficiency.

[0030] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, the skilled in the art should consider the specification as a whole, the technical solutions in each embodiment can also be appropriately combined to form other embodiments which can be understood by the skilled in the art.

Claims

1. An adjustable vertical axis wind generator characterised in that: The utility model relates to a kind of drilling machine, including pipe column (17), the top end of the pipe column (17) is provided with driving shaft (1), the top end outside of the driving shaft (1) is equipped with connecting sleeve (5), the outer surface of the connecting sleeve (5) is rotatably connected with annularly arranged rotating shaft (13), every rotating shaft (13) is equipped with blade (6) away from the end of connecting sleeve (5), the outer surface of the connecting sleeve (5) is fixedly connected with annularly arranged hanging plate (4), the bottom of two groups of hanging plate (4) is fixedly connected with sleeve (12) in common, the outer surface of the sleeve (12) is fixedly connected with annularly arranged support plate (9), the upper surface of every support plate (9) is hingedly connected with a group of telescopic link (8), the telescopic end of every telescopic link (8) is hingedly connected with connecting frame (7), the top of every connecting frame (7) is hingedly connected with the bottom of blade (6), the bottom of every blade (6) is hingedly connected with counterweight (3).

2. An adjustable vertical axis wind turbine according to claim 1, characterised in that: The bottom of the sleeve (12) is provided with annular groove (14), the inner wall of the annular groove (14) is slidably connected with annular plate (15), the bottom of the annular plate (15) is fixedly connected with support ring (16), the inner wall of the support ring (16) is connected with the outer surface of pipe column (17).

3. An adjustable vertical axis wind turbine according to claim 1, characterised in that: The end of two groups of hanging plate (4) away from each other is fixedly connected with reinforcing ring (2) in common.

4. An adjustable vertical axis wind turbine according to claim 1, characterised in that: The outer surface of the pipe column (17) is hingedly connected with annularly arranged top rod (10), the bottom of every top rod (10) is hingedly connected with support (11).

5. An adjustable vertical axis wind turbine according to claim 1, characterised in that: The inner wall of the sleeve (12) is slidably connected with the outer surface of pipe column (17).

6. An adjustable vertical axis wind turbine according to claim 1, characterised in that: The bottom of the pipe column (17) is equipped with mounting seat.

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