CN210225214U - Horizontal-shaft double-port double-group-blade permanent magnet direct-drive wind driven generator - Google Patents

Abstract

The utility model discloses a horizontal axis double-port double-group paddle permanent magnet direct drive wind driven generator, which comprises an outer casing, an inner casing, a left outer end cover, a right outer end cover, an inner end cover, an outer ring generator winding stator core, an outer ring generator rotor body, an outer ring generator rotor core, an outer ring generator permanent magnet, an inner ring generator winding stator core, an inner ring generator rotating shaft, an inner ring generator rotor core, an inner ring generator permanent magnet, an outer ring generator left side bearing, an outer ring generator right side bearing, an inner ring generator left side bearing, an inner ring generator right side bearing, a group of paddles, another group of paddles, a group of brakes, another group of brakes and a yaw mechanism; the outer ring generator rotor iron core is fixed with the outer ring generator permanent magnet and mutually induces with the outer ring generator stator iron core with a winding to form a generator; and the inner ring generator rotor core is fixed with the inner ring generator permanent magnet and mutually inducts with the inner ring generator stator core with a winding to form another generator.

Description

Horizontal-shaft double-port double-group-blade permanent magnet direct-drive wind driven generator

Technical Field

The utility model relates to a permanent magnetism directly drives aerogenerator, in particular to horizontal axis double-port two group paddle permanent magnetism directly drives aerogenerator.

Background

The traditional wind driven generator adopts a group of blades and a generator, the rated power of the generator corresponds to the rated wind speed, when the natural wind speed changes, the power of the generator changes, under the condition of the wind speed lower than the optimal wind speed section, the power of the generator is reduced at a large rate, and the low wind speed cannot be effectively and fully utilized, which is the maximum restriction factor of the annual low total power generation of the wind driven generator.

Disclosure of Invention

The utility model aims at providing a horizontal axis double-port double-group paddle permanent magnet direct drive wind driven generator to the above-mentioned characteristics that current wind driven generator can not be less than rated wind speed than make full use of, technical scheme as follows:

a horizontal shaft dual-port dual-group blade permanent magnet direct-drive wind driven generator comprises an outer shell, an inner shell, a left outer end cover, a right outer end cover, an inner end cover, an outer ring generator stator core, an outer ring generator rotor body, an outer ring generator rotor core, an outer ring generator permanent magnet, an inner ring generator stator core, an inner ring generator rotating shaft, an inner ring generator rotor core, an inner ring generator permanent magnet, an outer ring generator left bearing, an outer ring generator right bearing, an inner ring generator left bearing, an inner ring generator right bearing, a group of blades, another group of blades, a group of brakes, another group of brakes and a yaw mechanism; the outer casing is fixedly connected with the left-side outer end cover and the right-side outer end cover, the inner casing is fixedly connected with the inner end cover and the right-side outer end cover, the inner wall of the outer casing is fixedly connected with the outer ring generator provided with a winding stator core, the inner wall of the inner casing is fixedly provided with the inner ring generator provided with the winding stator core, the outer ring of the left-side bearing of the outer ring generator is fixedly arranged in the bearing chamber of the left-side outer end cover, the outer ring of the right-side bearing of the outer ring generator is fixedly arranged in the outer bearing chamber of the right-side outer end cover, the inner ring of the left-side bearing of the outer ring generator and the inner ring of the right-side bearing of the outer ring generator are respectively fixedly arranged on the outer ring generator rotor body, the outer, the stator core and the outer ring generator are provided with windings which are mutually induced to form a generator; the outer ring of the left bearing of the inner ring generator is fixed in the bearing chamber of the inner end cover, the outer ring of the right bearing of the inner ring generator is fixed in the inner bearing chamber of the right outer end cover, the inner ring of the left bearing of the inner ring generator and the inner ring of the right bearing of the inner ring generator are respectively fixed on the rotating shaft of the inner ring generator, the rotating shaft of the inner ring generator is fixedly connected with the rotor core of the inner ring generator, the permanent magnet of the inner ring generator is fixed on the rotor core of the inner ring generator, and the permanent magnet of the inner ring generator and the stator core of the inner ring generator; the group of blades are fixedly connected with the left extending part of the outer ring generator rotor body, and the outer ring generator rotor body is driven to rotate and generate electric energy under the action of wind energy; the other group of blades are fixedly connected with the part, extending out to the right, of the rotating shaft of the inner ring generator, and the other group of blades drive the rotating shaft of the inner ring generator to rotate and generate electric energy under the action of wind energy; a group of brakes are fixedly connected on the outer side surface of the left outer end cover; another group of brakes are connected and fixed on the outer side surface of the right outer end cover; and fixing the yaw mechanism at the tail end of the outer ring generator rotor body extending leftwards.

The outer ring generator rotor body and the group of blades connected with the outer ring generator rotor body, the inner ring generator rotating shaft and the other group of blades connected with the inner ring generator rotating shaft run independently of each other.

The utility model provides a pair of two group paddle permanent magnetism of horizontal axis double-port directly drives aerogenerator, constitute by the generator and two sets of blade oar of two sets of different powers and rotational speed, it is many to be suitable for the wind speed classification, it is wide to be suitable for the region area, both can fully effectively utilize the wind-force of high wind speed period, also can fully effectively utilize the wind-force of low wind speed period, realize wind power generation's high productivity, greatly improve aerogenerator efficiency, reduce the power generation cost, provide brand-new generation aerogenerator for the low wind speed region of china.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a horizontal-axis dual-port dual-group blade permanent magnet direct-drive wind driven generator according to the present invention;

in the drawings, the reference numerals represent the following list of components:

11 outer machine shell, 12 inner machine shell, 13 left side outer end cover, 14 right side outer end cover, 15 inner end cover, 16 outer ring generator has winding stator core, 17 outer ring generator rotor body, 18 outer ring generator rotor core, 19 outer ring generator permanent magnet, 20 inner ring generator has winding stator core, 21 inner ring generator rotating shaft, 22 inner ring generator rotor core, 23 inner ring generator permanent magnet, 24 outer ring generator left side bearing, 25 outer ring generator right side bearing, 26 inner ring generator left side bearing, 27 inner ring generator right side bearing, 28 a group of blades, 29 another group of blades, 30 a group of brakes, 31 another group of brakes, 32 yaw mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, the horizontal-axis dual-port dual-group blade permanent magnet direct-drive wind driven generator comprises an outer casing 11, an inner casing 12, a left-side outer end cover 13, a right-side outer end cover 14, an inner end cover 15, an outer-ring generator wound stator core 16, an outer-ring generator rotor body 17, an outer-ring generator rotor core 18, an outer-ring generator permanent magnet 19, an inner-ring generator wound stator core 20, an inner-ring generator rotating shaft 21, an inner-ring generator rotor core 22, an inner-ring generator permanent magnet 23, an outer-ring generator left-side bearing 24, an outer-ring generator right-side bearing 25, an inner-ring generator left-side bearing 26, an inner-ring generator right-side bearing 27, a group of blades 28, another group of; the outer housing 11 is fixedly connected with the left outer end cover 13 and the right outer end cover 14, the inner housing 12 is fixedly connected with the inner end cover 15 and the right outer end cover 14, the inner wall of the outer housing 11 is fixedly connected with the outer ring generator wound stator core 16, the inner wall of the inner housing 12 is fixedly connected with the inner ring generator wound stator core 20, the outer ring of the outer ring generator left bearing 24 is fixed in the bearing chamber of the left outer end cover 13, the outer ring of the outer ring generator right bearing 25 is fixed in the outer bearing chamber of the right outer end cover 14, the inner ring of the outer ring generator left bearing 24 and the inner ring of the outer ring generator right bearing 25 are respectively fixed on the outer ring generator rotor body 17, the outer ring generator rotor body 17 is fixedly connected with the outer ring generator rotor core 18, and the outer ring generator permanent magnet 19 is fixed on the outer ring generator rotor core 18, the stator core 16 with the winding of the outer ring generator is mutually induced to form a generator; the outer ring of the inner ring generator left side bearing 26 is fixed in the bearing chamber of the inner end cover 15, the outer ring of the inner ring generator right side bearing 27 is fixed in the inner bearing chamber of the right side outer end cover 14, the inner ring of the inner ring generator left side bearing 26 and the inner ring of the inner ring generator right side bearing 27 are respectively fixed on the inner ring generator rotating shaft 21, the inner ring generator rotor core 22 is fixedly connected on the inner ring generator rotating shaft 21, the inner ring generator permanent magnet 23 is fixed on the inner ring generator rotor core 22, and the inner ring generator left side bearing and the inner ring generator right side bearing are mutually induced with the winding stator core 20 of the inner ring generator to form; the group of blades 28 is fixedly connected to the left extending part of the outer ring generator rotor body 17, and the group of blades 28 drives the outer ring generator rotor body 17 to rotate and generate electric energy under the action of wind energy; the other group of blades 29 is fixedly connected with the part, extending out to the right, of the inner ring generator rotating shaft 21, and the other group of blades 29 drives the inner ring generator rotating shaft 21 to rotate and generate electric energy under the action of wind energy; a group of brakes 30 are fixedly connected on the outer side surface of the left outer end cover 13; another set of brake 31 is connected and fixed on the outer side surface of the right outer end cover 14; the yaw mechanism 32 is fixed to the end of the outer ring generator rotor body 17 projecting to the left.

The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (3)

1. A horizontal-axis dual-port double-group blade permanent magnet direct-drive wind driven generator is characterized by comprising an outer shell, an inner shell, a left outer end cover, a right outer end cover, an inner end cover, an outer ring generator stator core, an outer ring generator rotor body, an outer ring generator rotor core, an outer ring generator permanent magnet, an inner ring generator stator core, an inner ring generator rotating shaft, an inner ring generator rotor core, an inner ring generator permanent magnet, an outer ring generator left bearing, an outer ring generator right bearing, an inner ring generator left bearing, an inner ring generator right bearing, a group of blades, another group of blades, a group of brakes, another group of brakes and a yaw mechanism; the outer casing is fixedly connected with the left-side outer end cover and the right-side outer end cover, the inner casing is fixedly connected with the inner end cover and the right-side outer end cover, the inner wall of the outer casing is fixedly connected with the outer ring generator provided with a winding stator core, the inner wall of the inner casing is fixedly provided with the inner ring generator provided with the winding stator core, the outer ring of the left-side bearing of the outer ring generator is fixedly arranged in the bearing chamber of the left-side outer end cover, the outer ring of the right-side bearing of the outer ring generator is fixedly arranged in the outer bearing chamber of the right-side outer end cover, the inner ring of the left-side bearing of the outer ring generator and the inner ring of the right-side bearing of the outer ring generator are respectively fixedly arranged on the outer ring generator rotor body, the outer, the stator core and the outer ring generator are provided with windings which are mutually induced to form a generator; the outer ring of the left bearing of the inner ring generator is fixed in the bearing chamber of the inner end cover, the outer ring of the right bearing of the inner ring generator is fixed in the inner bearing chamber of the right outer end cover, the inner ring of the left bearing of the inner ring generator and the inner ring of the right bearing of the inner ring generator are respectively fixed on the rotating shaft of the inner ring generator, the rotating shaft of the inner ring generator is fixedly connected with the rotor core of the inner ring generator, the permanent magnet of the inner ring generator is fixed on the rotor core of the inner ring generator, and the permanent magnet of the inner ring generator and the stator core of the inner ring generator; the group of blades are fixedly connected with the left extending part of the outer ring generator rotor body, and the outer ring generator rotor body is driven to rotate and generate electric energy under the action of wind energy; the other group of blades are fixedly connected with the part, extending out to the right, of the rotating shaft of the inner ring generator, and the other group of blades drive the rotating shaft of the inner ring generator to rotate and generate electric energy under the action of wind energy; a group of brakes are fixedly connected on the outer side surface of the left outer end cover; another group of brakes are connected and fixed on the outer side surface of the right outer end cover; and fixing the yaw mechanism at the tail end of the outer ring generator rotor body extending leftwards.

2. The horizontal-axis dual-port dual-group blade permanent magnet direct-drive wind driven generator as claimed in claim 1, wherein the outer ring generator rotor body and the group of blades connected thereto operate independently of the inner ring generator shaft and the other group of blades connected thereto.

3. The horizontal-axis dual-port dual-group blade permanent magnet direct-drive wind driven generator as claimed in claim 1, wherein the outer ring generator permanent magnet is fixed on the outer side surface of the outer ring generator rotor core, and the inner ring generator permanent magnet is fixed on the outer side surface of the inner ring generator rotor core.

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