Breeze generator capable of being connected in parallel

Abstract

The utility model discloses a gentle breeze generator capable of being connected in parallel, which relates to the technical field of generators, and comprises a hollow shaft vertically fixed on a support shaft; the stator is fixed on the hollow shaft; the outer rotor structure is arranged on the hollow shaft in a penetrating mode, the stator is located in the outer rotor structure, the two ends of the outer rotor structure are rotationally connected with the hollow shaft through a lower bearing and an upper bearing, and the fan blade structure is fixed to the outer rotor structure. According to the small breeze generator provided by the utility model, the structural design of the vertical shaft is adopted, so that the wind power loss is reduced, the starting difficulty of a fan is reduced, the power generation efficiency of the fan is improved, meanwhile, a plurality of breeze generators can be vertically distributed on the same supporting shaft and are connected with a fan blade structure, and high-power wind power generation is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of generators, in particular to a micro wind generator that can be paralleled. Background Art

[0002] Wind energy is a clean and renewable energy source, and wind power generation has received extensive attention around the world. Traditional horizontal-axis power generation equipment uses inefficient gearboxes, mechanical bearings, and synchronous generators, resulting in high wind speeds at startup, severe mechanical wear, and very low utilization rates of wind turbines.

[0003] Based on this, we have proposed a new micro wind generator that can be paralleled to solve the above problems. Summary of the Utility Model

[0004] In order to solve the problems existing in the prior art, the utility model provides a new micro wind generator that can be paralleled.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A micro wind generator that can be paralleled, characterized by comprising:

[0007] A hollow shaft, which is vertically fixed on a support shaft;

[0008] A stator, which is fixed on the hollow shaft; and,

[0009] An outer rotor structure, which is sleeved on the hollow shaft, the stator is located inside the outer rotor structure, and both ends of the outer rotor structure are rotatably connected to the hollow shaft through a lower bearing and an upper bearing, and a blade structure is fixed on the outer rotor structure.

[0010] Further, the outer rotor structure includes a rotor hub and a lower end cover and an upper end cover arranged at both ends of the rotor hub.

[0011] Further, the lower end cover and the upper end cover are fixed to the rotor hub by bolts.

[0012] Further, one of the lower end cover or the upper end cover is integrally formed with the rotor hub, and the other end cover is fixed to the rotor hub by bolts.

[0013] Further, a limiting ring is arranged on the opposite side of the lower end cover and the upper end cover, and the limiting ring is attached to the inner side of the rotor hub.

[0014] Further, a plurality of mounting screw holes connected to the blade structure are evenly distributed on the top of the upper end cover.

[0015] Further, a positioning baffle is arranged at the top of the hollow shaft.

[0016] Further, a plurality of mounting holes are evenly formed at the bottom of the hollow shaft.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The small-scale breeze generator provided by the utility model adopts a vertical-axis structural design, thereby reducing wind power loss, reducing the starting difficulty of the fan and improving the power generation efficiency of the fan. At the same time, a plurality of breeze generators can be vertically distributed on the same support shaft and connected to the blade structure to achieve high-power wind power generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural view of an embodiment of the utility model.

[0020] Figure 2 It is a schematic structural view of the parallel connection of the breeze generators in the embodiment of the utility model.

[0021] Reference numerals in the drawings:

[0022] 1, upper bearing; 2, upper end cover; 3, rotor hub; 4, stator; 5, lower end cover; 6, lower bearing; 7, hollow shaft; 8, mounting hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments.

[0024] The embodiment of the utility model discloses a breeze generator capable of being connected in parallel.

[0025] As Figure 1 and Figure 2 shown, the breeze generator capable of being connected in parallel includes a hollow shaft 7, a stator 4, an outer rotor structure, a lower bearing 6 and an upper bearing 1. Among them, the hollow shaft 7 is fixed on a vertical support shaft, the stator 4 is fixed on the hollow shaft 7, the outer rotor structure is sleeved on the hollow shaft 7, the stator 4 is located inside the outer rotor structure, and both ends of the outer rotor structure are rotatably connected to the hollow shaft 7 through the lower bearing 6 and the upper bearing 1, and the blade structure is fixed on the outer rotor structure.

[0026] In this embodiment, the generator adopts a vertical-axis design. The wind blows the blade structure at the top of the outer rotor structure, thereby driving the rotation of the outer rotor structure to achieve wind power generation. The generator in this embodiment can reduce wind power loss, reduce the starting difficulty of the fan and improve the power generation efficiency of the fan.

[0027] The following is a further elaboration of the outer rotor structure. The outer rotor structure includes a rotor hub 3, a lower end cover 5 and an upper end cover 2 provided at both ends of the rotor hub 3. Preferably, the lower end cover 5 and the upper end cover 2 are separately provided from the rotor hub 3, and the lower end cover 5 and the upper end cover 2 are fixed to the rotor hub 3 by bolts.

[0028] Meanwhile, in order to facilitate the assembly of the outer rotor structure, limiting rings are integrally formed on the opposite sides of the lower end cover 5 and the upper end cover 2, and the limiting rings are fitted to the inner side of the rotor hub 3.

[0029] In a possible embodiment, the lower end cover 5 or the upper end cover 2 is integrally formed with the rotor hub 3, and the other end cover is fixed to the rotor hub 3 by bolts.

[0030] In this embodiment, a plurality of mounting screw holes for connecting with the blade structure are evenly distributed on the top of the upper end cover 2, so that the micro wind turbine is connected with the blade structure.

[0031] In this embodiment, a positioning baffle is integrally formed at the top of the hollow shaft 7. A plurality of mounting holes 8 are evenly formed at the bottom of the hollow shaft 7. Generally, the number of the mounting holes 8 is four, and bolts pass through the mounting holes 8 and are threadedly fixed to the support shaft.

[0032] The generator of this embodiment can be arranged according to actual needs. After the support shaft is vertically fixed at the installation position, 2 or 3 generators of this embodiment are fixed on the support shaft, and then the generators are jointly connected to the blade structure to achieve high-power power generation.

[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A parallel-connected micro wind generator, characterized in that Comprising: A hollow shaft vertically fixed on a support shaft; A stator fixed on the hollow shaft; And, An outer rotor structure sleeved on the hollow shaft, with the stator located inside the outer rotor structure. Both ends of the outer rotor structure are rotatably connected to the hollow shaft through a lower bearing and an upper bearing, and a blade structure is fixed on the outer rotor structure.

2. The parallel-connected breeze generator according to claim 1, characterized in that, The outer rotor structure includes a rotor hub and lower end caps and upper end caps provided at both ends of the rotor hub.

3. The parallel-connected micro wind turbine according to claim 2, characterized in that, The lower end caps and upper end caps are fixed to the rotor hub by bolts.

4. The parallel-connected breeze generator according to claim 2, wherein One of the lower end cap or upper end cap is integrally formed with the rotor hub, and the other end cap is fixed to the rotor hub by bolts.

5. The parallel - connectable gentle - breeze generator according to claim 3, characterized in that, Limit rings are provided on the opposite sides of the lower end cap and the upper end cap, and the limit rings are in fit with the inner side of the rotor hub.

6. The parallel - connectable breeze generator according to claim 2, wherein, A plurality of mounting screw holes connected to the blade structure are evenly distributed on the top of the upper end cap.

7. A parallelizable gentle wind generator according to claim 1, characterized in that, A positioning baffle is provided at the top of the hollow shaft.

8. A parallelizable gentle wind generator according to claim 1, wherein, A plurality of mounting holes are evenly opened at the bottom of the hollow shaft.

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