Wind power generation mechanism

Abstract

The utility model discloses a wind power generation mechanism which comprises a permanent magnet suspension motor, two wind wings, a main shaft and a plurality of connecting rods, the bottom of the main shaft is connected with a rotating shaft flange of the permanent magnet suspension motor, and the two wind wings are fixedly connected with the main shaft through the connecting rods respectively. The two wind wings are arranged along the circumference of the main shaft in an array mode, located on the left side and the right side of the main shaft respectively and staggered along the main shaft, and the main shaft is located on the inner front side of the wind wing on the right side. Each wind wing is in a vertically-placed semi-ellipsoid shape, the interior of each wind wing is hollow, the top and the bottom of each wind wing are each provided with an opening, the opening located in the top of each wind wing accounts for one tenth of the total height of the wind wing, and the opening located in the bottom of each wind wing accounts for two tenths of the total height of the wind wing. And the upper end of each wind wing is inwards provided with an arc-shaped recess along the side wall. The utility model has the advantages of light weight and high wind wing strength.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power generation, in particular to a wind power generation structure. Background Art

[0002] Wind power generation is to set up a power plant in a relatively open area. The large wind blades rotate with the wind, and the mechanical energy of the rotation of the wind blades is converted into electrical energy through the generator for users' daily electricity use.

[0003] like Figure 1 As shown, it is a small household wind power generation mechanism in the prior art, which includes an upper bracket plate A, a main rod B, a lower bracket plate C, a bracket bolt D, and a permanent magnet suspension motor, wherein the permanent magnet suspension motor is flange-connected to the lower bracket plate C through the bracket bolt D, and the main rod B is located between the upper bracket plate A and the lower bracket plate C, wherein the permanent magnet suspension motor includes an end cover E, a bearing F, an upper magnetic steel G, a stator coil H, a bolt I, a lower magnetic steel J, a generator housing K, a rotor bearing L, a bearing retaining ring M, and a flange rotating body N.

[0004] The existing wind blades are in the shape of straight plates or inclined curved plates. If plastic wind blades are used, their shape will result in lower strength of the wind blades. Therefore, general wind blades are made of aluminum alloy. Although aluminum alloy is lighter in weight, it still requires a thicker connecting rod, which ultimately increases the weight of the small household wind turbine. Utility Model Content

[0005] The utility model aims to provide a wind power generation structure, which has the advantages of light weight and high wind wing strength.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A wind power generation mechanism comprises a permanent magnet suspension motor, two wind blades, a main shaft, and a plurality of connecting rods, wherein the bottom of the main shaft is connected to a flange of the permanent magnet suspension motor, and the two wind blades are fixedly connected to the main shaft through a plurality of connecting rods;

[0008] The two wind wings are arranged in an array along the circumference of the main axis, and the two wind wings are respectively located on the left and right sides of the main axis, the two wind wings are staggered along the main axis, and the main axis is located on the inner front side of the wind wing on the right side;

[0009] Each of the wind wings is in the form of a vertically placed semi-ellipsoid, and the interior of each wind wing is hollow. Each of the wind wings is provided with openings at the top and bottom, the opening at the top of the wind wing accounts for one tenth of the total height of the wind wing, and the opening at the bottom of the wind wing accounts for two tenths of the total height of the wind wing. The upper end of each wind wing is provided with an arc-shaped depression inward along the side wall.

[0010] The preferred solutions are as follows:

[0011] Preferably, each of the wind wings is made of ABS plastic by one-step injection molding.

[0012] Preferably: each of the connecting rods is a threaded rod, the main shaft is a stainless steel pipe, the main shaft is provided with five threaded through holes in an array along the vertical direction, the front side and the rear side of each of the two wind wings are provided with circular through holes corresponding to the five threaded through holes, each threaded through hole is threadedly connected with a connecting rod, each of the wind wings is passed through the circular through holes on the five connecting rods, and the two wind wings are fixedly connected to the corresponding connecting rods through the circular through holes;

[0013] Nuts are provided on the front and rear sides of the connection between each of the wind wings and the five connecting rods.

[0014] In summary, the utility model has the following beneficial effects:

[0015] 1. Through the setting of ABS plastic one-time injection molding material, it can achieve the effects of light weight, high strength and easy processing;

[0016] 2. By providing an arc-shaped depression inwardly along the side wall at the upper end of the wind wing, the upper opening of the wind wing can be made small, thereby increasing the strength of the blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the prior art drawings of the background art;

[0018] Figure 2 It is a schematic diagram of the overall structure of the embodiment;

[0019] Figure 3 yes Figure 2 Magnified image of P.

[0020] In the figure, A, upper bracket plate; B, main rod; C, lower bracket plate; D, bracket bolt; E, end cover; F, bearing; G, upper magnetic steel; H, stator coil; I, bolt; J, lower magnetic steel; K, generator housing; L, rotor shaft; M, bearing retaining ring; N, flange rotating body;

[0021] 1. Permanent magnet levitation motor; 2. Wind blade; 3. Main shaft; 4. Connecting rod; 5. Nut; 6. First nut; 7. Second nut; 8. Third nut; 9. Fourth nut. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0023] The same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings.

[0024] A wind power generation mechanism, such as Figure 2 , Figure 3 As shown, it includes a permanent magnet suspension motor 1, two wind wings 2, a main shaft 3, and a plurality of connecting rods 4, wherein the permanent magnet suspension motor 1 is fixedly connected to the roof, the bottom of the main shaft 3 is flange-connected to the permanent magnet suspension motor 1, and the two wind wings 2 are fixedly connected to the main shaft 3 through a plurality of connecting rods 4 respectively.

[0025] The two wind wings 2 are arranged in a circular array along the main axis 3, and the two wind wings 2 are respectively located on the left and right sides of the main axis 3. The two wind wings 2 are staggered along the main axis 3, and the main axis 3 is located at the inner front side of the wind wing 2 on the right side;

[0026] Each wind wing 2 is in the form of a vertically placed semi-ellipsoid, and the interior of each wind wing 2 is hollow. Each wind wing 2 is provided with openings at the top and bottom. The opening at the top of the wind wing 2 accounts for one tenth of the total height of the wind wing 2, and the opening at the bottom of the wind wing 2 accounts for two tenths of the total height of the wind wing 2. The wind can be intercepted more effectively, and the wind can increase the time it stays on the wind wing 2, thereby greatly improving the efficiency of wind energy utilization. An arc-shaped depression is provided inwardly along the side wall at the upper end of each wind wing 2, and each wind wing 2 is injection molded of ABS plastic in one step, which can increase the strength of each wind wing 2.

[0027] Among them, ABS has excellent mechanical properties and excellent impact strength. It can be used at extremely low temperatures. It has high toughness, excellent wear resistance, good dimensional stability, and oil resistance. It can be used in a temperature range of -40 to 100°C.

[0028] Each connecting rod 4 is a threaded rod, the main shaft 3 is a stainless steel pipe, the lengths of the five connecting rods 4 are not the same, and the lengths of the five connecting rods 4 are respectively consistent with the distance between the arcs of the outer sides of the two corresponding wind wings 2, the main shaft 3 is provided with five threaded through holes in an array along the vertical direction, and the front and rear sides of each of the two wind wings 2 are provided with circular through holes corresponding to the five threaded through holes, and a connecting rod 4 is threadedly connected in each threaded through hole, and each wind wing 2 is passed through the five connecting rods 4 through the circular through holes, and the two wind wings 2 are fixedly connected to the corresponding connecting rods 4 through the circular through holes;

[0029] Nuts 5 are provided at the front and rear sides of the connection between each wind blade 2 and the five connecting rods 4. The nuts 5 are anti-loosening nuts 5, which can ensure that the two wind blades 2 will not loosen under long-term working conditions.

[0030] Among them, the plurality of nuts 5 include ten first nuts 6, ten second nuts 7, ten third nuts 8, and ten fourth nuts 9. The first nut 6 abuts against the inner front side of the right wind wing 2 and the inner rear side of the left wind wing 2, the second nut 7 abuts against the front side of the right wind wing 2 and the rear side of the left wind wing 2; the third nut 8 abuts against the inner front side of the left wind wing 2 and the inner rear side of the right wind wing 2, and the fourth nut 9 abuts against the front side of the left wind wing 2 and the rear side of the right wind wing 2.

[0031] Specific implementation process:

[0032] Step 1: Connect the bottom of the main shaft 3 to the top flange of the permanent magnet suspension motor 1, so that the main shaft 3 can drive the permanent magnet suspension motor 1 to rotate and generate electricity;

[0033] Step 2: Corresponding connecting rods 4 are respectively threadedly connected in the five threaded through holes of the main shaft 3;

[0034] Step 3: The front and rear sides of the five connecting rods 4 are respectively connected with first nuts 6 through threads, and the ten first nuts 6 are against the main shaft 3;

[0035] Step 4: Insert the rear side of the left wind wing 2 into the rear side of the five connecting rods 4, and insert the front side of the right wind wing into the front side of the five connecting rods 4. At this time, push the left wind wing 2 forward and push the right wind wing 2 backward;

[0036] Step 5: The second nut 7 and the third nut 8 are respectively connected to the front and rear threads of the five connecting rods 4 in sequence. At this time, the second nut 7 and the third nut 8 located at the rear side of the connecting rod 4 are located in the middle position of the connecting rod 4 located at the rear side of the main shaft 3. At this time, the second nut 7 and the third nut 8 located at the front side of the connecting rod 4 are located in the middle position of the connecting rod 4 located at the front side of the main shaft 3;

[0037] Step six: Insert the front side of the left wind wing 2 into the front sides of the five connecting rods 4, and insert the rear side of the right wind wing 2 into the rear sides of the five connecting rods 4, and adjust the positions of the two wind wings 2. At this time, rotate each first nut 6 and the second nut 7 to fix the two wind wings 2. At the same time, rotate each third nut 8 to limit the two wind wings 2. At this time, the fourth nut 9 is threadedly connected to the front and rear sides of the connecting rod 4 respectively, and the two wind wings 2 are further fixed by the third nut 8 and the fourth nut 9.

[0038] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A wind power generation mechanism, characterized in that: It comprises a permanent magnet suspension motor (1), two wind wings (2), a main shaft (3), and a plurality of connecting rods (4), wherein the bottom of the main shaft (3) is flange-connected to the permanent magnet suspension motor (1), and the two wind wings (2) are respectively fixedly connected to the main shaft (3) via the plurality of connecting rods (4); The two wind wings (2) are arranged in a circular array along the main axis (3), and the two wind wings (2) are respectively located on the left and right sides of the main axis (3), the two wind wings (2) are staggered with each other along the main axis (3), and the main axis (3) is located on the inner front side of the wind wing (2) on the right side; Each of the wind wings (2) is in the form of a vertically placed semi-ellipsoid, and the interior of each wind wing (2) is hollow. Each of the wind wings (2) is provided with openings at the top and bottom, the opening at the top of the wind wing (2) accounts for one tenth of the total height of the wind wing (2), and the opening at the bottom of the wind wing (2) accounts for two tenths of the total height of the wind wing (2). The upper end of each of the wind wings (2) is provided with an arc-shaped depression inwardly along the side wall.

2. A wind power generation mechanism according to claim 1, characterized in that: Each of the wind wings (2) is made of ABS plastic by one-step injection molding.

3. A wind power generation mechanism according to claim 1, characterized in that: Each of the connecting rods (4) is a threaded rod, the main shaft (3) is a stainless steel pipe, the main shaft (3) is provided with five threaded through holes in an array along the vertical direction, the front side and the rear side of each of the two wind wings (2) are provided with circular through holes corresponding to the five threaded through holes, each threaded through hole is threadedly connected with a connecting rod (4), each of the wind wings (2) is passed through the five connecting rods (4) through the circular through holes, and the two wind wings (2) are fixedly connected to the corresponding connecting rods (4) through the circular through holes; Nuts (5) are provided on the front and rear sides of the connection between each wind wing (2) and the five connecting rods (4).

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