CN210396958U

CN210396958U - Semi-direct-drive radial composite dual-port permanent magnet synchronous wind driven generator

Info

Publication number: CN210396958U
Application number: CN201921522076.5U
Authority: CN
Inventors: 冯家任; 田立红; 冯海曦
Original assignee: BEIJING MINGZHENG WEIYUAN MOTOR TECH Ltd
Current assignee: BEIJING MINGZHENG WEIYUAN MOTOR TECH Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-04-24
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a semi-direct drive radial compound dual-port permanent magnet synchronous wind driven generator belongs to the aerogenerator field. A semi-direct-drive radial composite dual-port permanent magnet synchronous wind driven generator comprises a generator, a left coupler, a right coupler, a left speed increaser, a right speed increaser, a group of blades, another group of blades and a yaw mechanism; the generator comprises an outer rotor generator with a winding stator core, an outer rotor generator rotor body, an inner rotor generator with a winding stator core, an inner rotor generator rotating shaft and an inner rotor generator rotor core; the rotor body of the outer rotor generator extends out leftwards and is connected with the left-side speed increaser through the left-side coupler, a group of blades are fixedly installed on the left side of the left-side speed increaser, and the left sides of the blades are connected with a yaw structure; the rotating shaft of the inner rotor generator stretches out rightwards, the right side coupler is connected with the right side speed increaser, and another group of blades are fixedly installed on the right side of the right side speed increaser.

Description

Semi-direct-drive radial composite dual-port permanent magnet synchronous wind driven generator

Technical Field

The utility model relates to a permanent magnet wind power generator, in particular to semi-direct drive radial compound dual-port permanent magnet synchronous wind power generator.

Background

Energy and environmental issues have become major issues facing global industrial sustainability, increasingly attracting widespread social attention and seeking active countermeasures. Wind energy is a renewable pollution-free green energy source, is inexhaustible and abundant. With the increasingly social acceptance of clean energy and the continuous progress of science and technology, the world wind power industry develops rapidly, the single machine power is increased continuously, the volume of the generator is increased, the length of the paddle is increased, the cost is greatly increased, and the difficulty degree of installation, transportation and the like is also increased. The semi-direct-drive double-port permanent magnet direct-drive wind driven generator with a special structure is adopted, so that the defects of the traditional single-unit single-group paddle wind driven generator can be effectively overcome, the cost is saved, the wind energy utilization rate is improved, and the power generation efficiency is improved.

Disclosure of Invention

The utility model aims at providing a characteristics to traditional aerogenerator can not be less than the wind energy of rated wind speed than make full use of, provide a semi-direct drive radial compound dual-port permanent magnetism synchronous aerogenerator, technical scheme as follows:

a semi-direct-drive radial composite dual-port permanent magnet synchronous wind driven generator comprises a generator, a left coupler, a right coupler, a left speed increaser, a right speed increaser, a group of blades, another group of blades and a yaw mechanism; the generator comprises an outer shell, an inner shell, a left outer end cover, a right outer end cover, an inner end cover, an outer rotor generator stator core with a winding, an outer rotor generator rotor body, an outer rotor generator permanent magnet, an inner rotor generator rotor core with a winding stator core, an inner rotor generator rotating shaft, an inner rotor generator rotor core, an inner rotor generator permanent magnet, an outer rotor generator left bearing, an outer rotor generator right bearing, an inner rotor generator left bearing and an inner rotor generator right bearing; the outer casing is fixedly connected with the left outer end cover and the right outer end cover, the inner casing is fixedly connected with the inner end cover and the right outer end cover, the outer wall of the inner casing is fixedly connected with the outer rotor generator which is provided with a winding stator core, the inner wall of the inner casing is fixedly provided with the winding stator core of the inner rotor generator, the outer ring of the left bearing of the outer rotor generator is fixedly arranged in the bearing chamber of the left outer end cover, the outer ring of the right bearing of the outer rotor generator is fixedly arranged in the outer bearing chamber of the right outer end cover, the inner ring of the left bearing of the outer rotor generator and the inner ring of the right bearing of the outer rotor generator are respectively fixed on the rotor body of the outer rotor generator, the inner side of the rotor body of the outer rotor generator is fixedly connected with the permanent magnet of the, the rotor body of the outer rotor generator is an input end of the wind driven generator; the inner rotor generator is characterized in that the outer ring of a left side bearing of the inner rotor generator is fixed in a bearing chamber of the inner end cover, the outer ring of a right side bearing of the inner rotor generator is fixed in an inner bearing chamber of the right side outer end cover, the inner ring of the left side bearing of the inner rotor generator and the inner ring of the right side bearing of the inner rotor generator are respectively fixed on a rotating shaft of the inner rotor generator, a rotor core of the inner rotor generator is fixedly connected on the rotating shaft of the inner rotor generator, a permanent magnet of the inner rotor generator is fixed on the rotor core of the inner rotor generator and mutually inducts with a winding stator core of the inner rotor generator to form a group; the rotor body of the outer rotor generator extends out leftwards and is connected with the left-side speed increaser through the left-side coupler, a group of blades are fixedly installed on the left side of the left-side speed increaser, and the left sides of the blades are connected with a yaw structure; the rotating shaft of the inner rotor generator stretches out rightwards, the right side coupler is connected with the right side speed increaser, and another group of blades are fixedly installed on the right side of the right side speed increaser.

The utility model discloses a radial compound dual port structure is directly driven to half, under the same condition of generator total power the same, wind energy condition, the effectual aerogenerator paddle length that has reduced, the volume of the generator that reduces has reduced the manufacturing cost, has reduced the installation transportation degree of difficulty, has improved aerogenerator's price/performance ratio and wind energy utilization ratio.

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 half-direct-drive radial composite dual-port permanent magnet synchronous wind turbine of the present invention;

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

a generator, b a left side coupler, c a right side coupler, d a left side speed increaser, e a right side speed increaser,

f one group of blades, g the other group of blades and h a yaw mechanism;

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 rotor generator with winding stator core, 17 outer rotor generator rotor body, 18 outer rotor generator permanent magnet, 19 inner rotor generator with winding stator core, 20 inner rotor generator rotating shaft, 21 inner rotor generator rotor core, 22 inner rotor generator permanent magnet, 23 outer rotor generator left side bearing, 24 outer rotor generator right side bearing, 25 inner rotor generator left side bearing, 26 inner rotor generator right side bearing.

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 wind driven generator comprises a generator a, a left coupler b, a right coupler c, a left speed increaser d, a right speed increaser e, a group of blades f, another group of blades g and a yaw mechanism h; the generator comprises an outer shell 11, an inner shell 12, a left outer end cover 13, a right outer end cover 14, an inner end cover 15, an outer rotor generator winding stator core 16, an outer rotor generator rotor body 17, an outer rotor generator permanent magnet 18, an inner rotor generator winding stator core 19, an inner rotor generator rotating shaft 20, an inner rotor generator rotor core 21, an inner rotor generator permanent magnet 22, an outer rotor generator left side bearing 23, an outer rotor generator right side bearing 24, an inner rotor generator left side bearing 25 and an inner rotor generator right side bearing 26; the outer casing 11 is fixedly connected with the left outer end cover 13 and the right outer end cover 14, the inner casing 12 is fixedly connected with the inner end cover 15 and the right outer end cover 14, the outer wall of the inner casing 12 is fixedly connected with the outer rotor generator wound stator core 16, the inner wall of the inner casing 12 is fixedly connected with the inner rotor generator wound stator core 19, the outer ring of the left bearing 23 of the outer rotor generator is fixed in the bearing chamber of the left outer end cover 13, the outer ring of the right bearing 24 of the outer rotor generator is fixed in the outer bearing chamber of the right outer end cover 14, the inner ring of the left bearing 23 of the outer rotor generator and the inner ring of the right bearing 24 of the outer rotor generator are respectively fixed on the rotor body 17 of the outer rotor generator, and the inner side of the rotor body 17 of the outer rotor generator is fixedly connected, a winding stator core 16 of the outer rotor generator is mutually induced to form a group of closed loops, and a rotor body 17 of the outer rotor generator is an input end of the wind driven generator a; the outer ring of the left bearing 25 of the inner rotor generator is fixed in the bearing chamber of the inner end cover 15, the outer ring of the right bearing 26 of the inner rotor generator is fixed in the inner bearing chamber of the right outer end cover 14, the inner ring of the left bearing 25 of the inner rotor generator and the inner ring of the right bearing 26 of the inner rotor generator are respectively fixed on the rotating shaft 20 of the inner rotor generator, the rotating shaft 20 of the inner rotor generator is fixedly connected with the rotor core 21 of the inner rotor generator, the permanent magnet 22 of the inner rotor generator is fixed on the rotor core 21 of the inner rotor generator, and mutually inducts with the stator core 19 of the inner rotor generator with a winding to form a group of closed loop, and the rotating shaft 20 of the inner rotor; the rotor body 17 of the outer rotor generator extends leftwards and is connected with the left-side speed increaser d through the left-side coupler b, a group of blades f are fixedly installed on the left side of the left-side speed increaser d, and the left side of the group of blades f is connected with a yaw structure h; and the rotating shaft 20 of the inner rotor generator extends out rightwards and is connected with the right speed increaser e through the right side coupler c, and the other group of blades g are fixedly arranged on the right side of the right side speed increaser e.

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

1. A semi-direct-drive radial composite dual-port permanent magnet synchronous wind driven generator is characterized in that the wind driven generator comprises a generator, a left side coupler, a right side coupler, a left side speed increaser, a right side speed increaser, a group of blades, another group of blades and a yaw mechanism; the generator comprises an outer shell, an inner shell, a left outer end cover, a right outer end cover, an inner end cover, an outer rotor generator stator core with a winding, an outer rotor generator rotor body, an outer rotor generator permanent magnet, an inner rotor generator rotor core with a winding stator core, an inner rotor generator rotating shaft, an inner rotor generator rotor core, an inner rotor generator permanent magnet, an outer rotor generator left bearing, an outer rotor generator right bearing, an inner rotor generator left bearing and an inner rotor generator right bearing; the outer casing is fixedly connected with the left outer end cover and the right outer end cover, the inner casing is fixedly connected with the inner end cover and the right outer end cover, the outer wall of the inner casing is fixedly connected with the outer rotor generator which is provided with a winding stator core, the inner wall of the inner casing is fixedly provided with the winding stator core of the inner rotor generator, the outer ring of the left bearing of the outer rotor generator is fixedly arranged in the bearing chamber of the left outer end cover, the outer ring of the right bearing of the outer rotor generator is fixedly arranged in the outer bearing chamber of the right outer end cover, the inner ring of the left bearing of the outer rotor generator and the inner ring of the right bearing of the outer rotor generator are respectively fixed on the rotor body of the outer rotor generator, the inner side of the rotor body of the outer rotor generator is fixedly connected with the permanent magnet of the, the rotor body of the outer rotor generator is an input end of the wind driven generator; the inner rotor generator is characterized in that the outer ring of a left side bearing of the inner rotor generator is fixed in a bearing chamber of the inner end cover, the outer ring of a right side bearing of the inner rotor generator is fixed in an inner bearing chamber of the right side outer end cover, the inner ring of the left side bearing of the inner rotor generator and the inner ring of the right side bearing of the inner rotor generator are respectively fixed on a rotating shaft of the inner rotor generator, a rotor core of the inner rotor generator is fixedly connected on the rotating shaft of the inner rotor generator, a permanent magnet of the inner rotor generator is fixed on the rotor core of the inner rotor generator and mutually inducts with a winding stator core of the inner rotor generator to form a group; the rotor body of the outer rotor generator extends out leftwards and is connected with the left-side speed increaser through the left-side coupler, a group of blades are fixedly installed on the left side of the left-side speed increaser, and the left sides of the blades are connected with a yaw structure; the rotating shaft of the inner rotor generator stretches out rightwards, the right side coupler is connected with the right side speed increaser, and another group of blades are fixedly installed on the right side of the right side speed increaser.