CN219865331U - Novel wind driven generator - Google Patents

Abstract

The utility model relates to the field of wind power generation, a traditional wind power generator adopts C-shaped resistance type blades, has the characteristics of low starting wind speed, large rotating torque, high wind power utilization rate and the like, but is difficult to directly drive with a generator due to low rotating speed, and in order to solve the technical problems, the utility model provides a novel wind power generator which comprises a cylindrical shell and blades arranged outside the shell, wherein a rotor winding is arranged on the inner wall of the shell, a stator shaft is arranged inside the shell, and a stator winding is arranged on the outer circumferential surface of the stator shaft; the end covers are respectively arranged at the two ends of the shell, the two ends of the stator shaft respectively penetrate through the central shaft holes of the end covers, the starting wind speed is low, the rotating torque is large, the rotating speed of the blades is not high, so that the safety of the low rotating speed is guaranteed, the aerodynamic performance of the blades is improved, the wind energy utilization rate is high, a speed increasing system with a complex structure is not arranged, the mechanical failure rate is reduced, and the production cost is low.

Description

Novel wind driven generator

Technical Field

The utility model relates to the field of wind power generation, in particular to a novel wind power generator.

Background

Along with the gradual shortage of non-renewable energy sources, abrupt change of climate and increasing deterioration of environment, wind energy is taken as renewable and green environment-friendly energy sources, the application of the wind energy is more and more extensive, wind energy is adopted for generating electricity, and the wind energy is one of modes of utilizing wind energy sources. In order to improve the utilization rate of wind energy, designers have improved on conventional wind turbines. For example: changing the traditional blade wing profile, adopting the wing profiles in NACA and Gottigen series to increase the rotation speed of the blade, while improving the working efficiency of the blade, the improvement of the rotation speed relatively reduces the safety performance; the pitch system is added to the blades of the wind driven generator to improve the wind energy utilization rate, so that the structure of the wind driven generator is more complex, and the production cost is increased.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the defects of the technology and provide a novel wind driven generator.

In order to solve the technical problems, the technical scheme provided by the utility model is that the novel wind driven generator comprises a cylindrical shell and blades arranged outside the shell, wherein a rotor winding is arranged on the inner wall of the shell, a stator shaft is arranged inside the shell, and a stator winding is arranged on the outer peripheral surface of the stator shaft;

the two ends of the shell are respectively provided with an end cover, the two ends of the stator shaft respectively penetrate through the inside of a central shaft hole of the end cover, and a bearing is arranged between the shaft journals at the two ends of the stator shaft and the inner wall of the shaft hole.

As an improvement, the transverse section of the blade is of an arch structure, one side of the blade is fixed along the axial direction of the outer peripheral surface of the shell, the arc inner side of the blade is provided with a reinforcing rib, and the blades are arranged in a circumferential array around the central shaft of the shell.

As an improvement, the top end of the stator shaft is provided with a rain cover, and the rain cover is in a conical structure.

As an improvement, the stator winding is composed of a coil and a permanent magnet.

The beneficial effects of the utility model are that

1. The wind driven generator has the advantages that the starting wind speed is low, the rotation torque is large, the blades of the wind driven generator can be started at a lower wind speed, the rotating speed of the blades is not high, so that the safety of low rotating speed is guaranteed, the air resistance of the blades is greatly reduced when the blades rotate, the aerodynamic performance of the blades is improved, the wind energy utilization rate is high, a speed increasing system with a complex structure is not provided, the mechanical failure rate is reduced, and the production cost is low;

2. the single body has small area, is light and easy to install and use, and can realize the maximum space utilization rate under the same area;

3. the fairing can protect animals and avoid damage to human body, livestock and fowl caused by rotation of blades.

Drawings

FIG. 1 is a schematic perspective view of a wind turbine;

FIG. 2 is a schematic top view of a wind turbine;

FIG. 3 is a schematic cross-sectional view of A-A;

fig. 4 is a schematic diagram of the exploded construction of the components.

As shown in the figure: 1. the motor comprises a machine shell, 2, blades, 201, reinforcing ribs, 3, rotor windings, 4, a stator shaft, 5, stator windings, 6, an end cover, 601, a shaft hole, 7, a bearing, 8 and a rain cover.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The novel wind driven generator is further described in detail below with reference to the accompanying drawings.

1-4, a novel wind driven generator comprises a cylindrical shell 1 and blades 2 arranged outside the shell 1, wherein a rotor winding 3 is arranged on the inner wall of the shell 1, a stator shaft 4 is arranged inside the shell 1, and a stator winding 5 is arranged on the outer peripheral surface of the stator shaft 4;

the two ends of the shell 1 are respectively provided with an end cover 6, the two ends of the stator shaft 4 respectively penetrate through the inside of a central shaft hole 601 of the end cover 6, and a bearing 7 is arranged between the shaft necks of the two ends of the stator shaft 4 and the inner wall of the shaft hole 601.

In the implementation of the utility model, the transverse section of the blade 2 is of an arch structure, one side of the blade 2 is fixed along the axial direction of the outer peripheral surface of the shell 1, the arc inner side of the blade 2 is provided with a reinforcing rib 201, and the blade 2 is arranged in an array around the central axis circumference of the shell 1.

In the implementation of the utility model, the top end of the stator shaft 4 is provided with the rain cover 8, and the rain cover 8 is in a conical structure.

The stator winding 5 consists of coils and permanent magnets in the implementation of the utility model.

In the concrete implementation of the utility model, the center of the wind driven generator is a stator shaft 4, the stator shaft 4 is fixed and does not rotate, a cylindrical shell 1 is sleeved outside the stator shaft 5, blades 2 are arranged on the outer circumference of the shell 1 in an array mode, when wind blows the blades 2, the shell 1 rotates around the center of the stator shaft 4, end covers are arranged at two ends of the shell 1, a shaft hole 601 is arranged at the center of the end cover 6, a bearing 7 is arranged between the inner wall of the shaft hole 601 and the shaft necks at two ends of the stator shaft 4, a rain cover 8 is arranged at the top of the shell, and the rain cover 8 is fixedly connected with the top end of the stator shaft 4 through a bracket.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (4)

1. The utility model provides a novel aerogenerator which characterized in that: the motor rotor comprises a cylindrical casing (1) and blades (2) arranged outside the casing (1), wherein a rotor winding (3) is arranged on the inner wall of the casing (1), a stator shaft (4) is arranged inside the casing (1), and a stator winding (5) is arranged on the outer peripheral surface of the stator shaft (4);

the motor is characterized in that end covers (6) are respectively arranged at two ends of the machine shell (1), two ends of the stator shaft (4) respectively penetrate through the inner parts of central shaft holes (601) of the end covers (6), and bearings (7) are arranged between shaft necks at two ends of the stator shaft (4) and the inner walls of the shaft holes (601).

2. A novel wind power generator as claimed in claim 1, wherein: the horizontal cross section of blade (2) sets up to the arch structure, blade (2) one side is fixed along casing (1) outer peripheral face axis direction, blade (2) arc inboard is equipped with stiffening rib (201), blade (2) are around casing (1) center pin circumference array setting.

3. A novel wind power generator as claimed in claim 1, wherein: the top of the stator shaft (4) is provided with a rain cover (8), and the rain cover (8) is in a conical structure.

4. A novel wind power generator as claimed in claim 1, wherein: the stator winding (5) consists of a coil and a permanent magnet.