CN112701826A - Modularized magnetic pole unit structure of wind driven generator - Google Patents
Modularized magnetic pole unit structure of wind driven generator Download PDFInfo
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- CN112701826A CN112701826A CN202011511690.9A CN202011511690A CN112701826A CN 112701826 A CN112701826 A CN 112701826A CN 202011511690 A CN202011511690 A CN 202011511690A CN 112701826 A CN112701826 A CN 112701826A
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Abstract
The utility model provides a modularization aerogenerator magnetic pole unit structure, includes the spider, the spider is whole to be circular-arc rectangle, is equipped with several crossbeams along the long limit interval of rectangle, is fixed with the magnetic pole layering at every crossbeam, is fixed with the base plate between two adjacent magnetic pole layering, is fixed with the magnetic pole module on the base plate. The magnetic pole layering is equipped with a plurality of recesses along crossbeam direction interval, the base plate is equipped with a plurality of bosss along crossbeam direction interval, the shape and the size of boss with the recess phase-match. An elastic cushion strip is arranged between the base plate and the rotor support. The magnetic pole module is one side and levels, the concave shape in one side, and smooth one side and base plate laminating are inside to be the cavity, and it has magnetic material to fill, and the magnetic pole module shell body itself is non-magnet material. The wind driven generator is modularized in design, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the field of motors, and particularly relates to a magnetic pole unit structure of a modularized wind driven generator.
Background
Wind power generation is an important component of clean energy. The wind driven generator is an important component of a wind power generation system, and the reliability and the economy of the wind driven generator are a vital part for industrial upgrading; under the large background of ' wind and fire with the same price ', the concept of reducing cost, improving quality and efficiency ' is produced. For example, the structure of the magnetic pole units is optimized to be modularized, namely, each column of magnetic pole units in the longitudinal direction form a module in a column; the base plate and the magnetic pole pressing strip are in rectangular meshing, so that the design precision is reduced on the premise of not influencing the product quality, the manufacturing cost is reduced, and the assembly efficiency is improved.
The application numbers are: 20151098187.9 (title: rotor pole fixing method and rotor) discloses a pole fixing method and a rotor, which comprises using fiber material laid on the surface of a yoke to which the poles are adhered: fastening the fiber material by using a pressing strip so that the fiber material fixes the magnetic pole on the surface of the magnetic yoke; and (3) performing vacuum infusion on the magnetic pole and the fiber material and the pressing strip for fixing the magnetic pole by using resin, and curing the resin to seal the magnetic pole on the surface of the magnetic yoke. The technical scheme of the patent protection has the following defects: in the assembling process, the magnetic pole pushed in first can extrude and incline the pressing strip, so that the space of the adjacent magnetic pole becomes narrow, the magnetic pole cannot be pushed smoothly, the assembling efficiency is reduced, and the assembling method is contrary to the lean production concept.
The application numbers are: 20171012813.9 (title: magnetic pole module, rotor, electric machine and wind generating set) discloses a magnetic pole module, rotor, electric machine and wind generating set. The magnetic pole module includes: a carrier plate having a first contour formed on one of two ends thereof and a second contour formed on the other end thereof, the first and second contours having shapes corresponding to each other that are capable of forming a fit with each other; a magnetic pole case fixed to one of upper and lower surfaces of the carrier plate, the magnetic pole case having an opening opened toward the one surface of the carrier plate; a magnet disposed in the pole case. The technical scheme of the patent protection has the following defects: the permanent magnet is assembled in a magnetizing state, and due to the influence of magnetic attraction, the magnet module is easy to turn over during assembly; the magnetic pole is fixed at one side and unfixed at the other side, and the unfixed end is easy to cause position slippage; the carrier plate is provided with a boss and a groove on one side, and the unfixed end which is possibly influenced by magnetic force is easy to tilt due to asymmetry.
Based on the above background, it is necessary to provide a structure of a modular wind turbine magnetic pole unit.
Disclosure of Invention
The invention aims to modularize the design of a wind driven generator, improve the working efficiency and provide a magnetic pole unit structure of the modularized wind driven generator.
The technical scheme adopted by the invention is as follows:
the utility model provides a modularization aerogenerator magnetic pole unit structure, includes the spider, the spider is whole to be circular-arc rectangle, is equipped with several crossbeams along the long limit interval of rectangle, is fixed with the magnetic pole layering at every crossbeam, is fixed with the base plate between two adjacent magnetic pole layering, is fixed with the magnetic pole module on the base plate.
Furthermore, a plurality of grooves are formed in the magnetic pole pressing strip at intervals along the direction of the cross beam.
Furthermore, the base plate is provided with a plurality of bosses at intervals along the direction of the cross beam, and the shape and the size of each boss are matched with those of the corresponding groove.
Furthermore, an elastic cushion strip is arranged between the base plate and the rotor support.
Furthermore, the elastic filler strip is made of a heat-sensitive expansion material, and the volume expansion of the elastic filler strip is increased after the rotor is filled with glue, so that the gap between the contact surface of the substrate and the rotor support is completely eliminated.
Further, the magnetic pole module is flat in one surface and concave in one surface, the flat surface is attached to the substrate, a cavity is formed inside the magnetic pole module and filled with magnetic materials, and the outer shell of the magnetic pole module is made of non-magnetic materials.
Furthermore, a plurality of magnetic pole modules are assembled on the substrate respectively and then are arranged in a row, the concave surface of each magnetic pole module is arc-shaped, and the inner cavity of the rotor forms a circle after the magnetic pole modules are integrally assembled.
The invention has the beneficial effects that:
the magnetic pole unit structure is optimized to be modularized, namely each column of magnetic pole units in the longitudinal direction form a module, the base plate and the magnetic pole pressing strip are in rectangular meshing (grooves and bosses), the design precision is reduced on the premise of not influencing the product quality, the manufacturing cost is reduced, and the assembly efficiency is improved. The design structure is optimized, the assembly efficiency is improved, when the motor rotor is repaired due to faults, the tandem magnetic pole unit devices are dismounted and replaced, the operation efficiency is improved, and the manufacturing and maintenance period is shortened.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
in the figure: 1-a rotor support; 2-a cross beam; 3-a substrate; 4-magnetic pole layering; 5-a magnetic pole module; 6-elastic cushion strip, 7-cavity.
Detailed Description
As shown in fig. 1 and 2, a magnetic pole unit structure of a modularized wind driven generator comprises a rotor support 1, wherein the whole rotor support 1 is in an arc-shaped rectangle, a plurality of cross beams 2 are arranged at intervals along the long side of the rectangle, a magnetic pole pressing strip 4 is fixed on each cross beam 2, a base plate 3 is fixed between two adjacent magnetic pole pressing strips 4, and a magnetic pole module 5 is fixed on the base plate 3.
The magnetic pole pressing strips 4 are provided with a plurality of grooves at intervals along the direction of the cross beam 2. The base plate 3 is provided with a plurality of bosses at intervals along the direction of the cross beam 2, and the shape and the size of each boss are matched with those of the corresponding groove. An elastic cushion strip 6 is arranged between the substrate 3 and the rotor support 1, the elastic cushion strip 6 is made of a heat sensitive expansion material, and the volume expansion of the elastic cushion strip is increased after the rotor is filled with glue, so that the gap between the substrate and the contact surface of the rotor support is completely eliminated.
The magnetic pole module 5 is flat in one surface and concave in one surface, the flat surface is attached to the substrate, a cavity 7 is formed inside the magnetic pole module and filled with magnetic materials, and the outer shell of the magnetic pole module is made of non-magnetic materials. The magnetic pole modules 5 are assembled on the substrate respectively and then are arranged in a row, the concave surface of each magnetic pole module is arc-shaped, and the inner cavity of the rotor forms a circle after the magnetic pole modules are integrally assembled.
Claims (7)
1. The utility model provides a modularization aerogenerator magnetic pole unit structure, its characterized in that, includes rotor support (1), rotor support (1) wholly is circular-arc rectangle, is equipped with several crossbeam (2) along the long limit interval of rectangle, is fixed with magnetic pole layering (4) at every crossbeam (2), is fixed with base plate (3) between two adjacent magnetic pole layering (4), is fixed with magnetic pole module (5) on base plate (3).
2. A modular wind generator pole unit structure according to claim 1, characterized in that the pole beads (4) are provided with a plurality of grooves at intervals along the beam (2).
3. A modular wind generator pole unit structure according to claim 1, characterised in that the base plate (3) is provided with a plurality of bosses spaced along the cross beam (2), the shape and size of the bosses matching the recesses.
4. A modular wind generator pole unit structure according to claim 1, characterised in that elastic filler strips (6) are provided between the base plate (3) and the rotor support (1).
5. Modular wind turbine pole unit structure, according to claim 4, characterised in that said elastic filler strip (6) is made of a heat sensitive intumescent material.
6. A modular wind generator pole unit structure according to claim 1, wherein the pole module (5) is flat and concave, the flat surface is attached to the substrate, the inside of the pole module is a cavity (7) filled with magnetic material, and the outside shell of the pole module is made of non-magnetic material.
7. A modular wind generator pole unit structure according to claim 1, wherein a plurality of pole modules (5) are assembled to the base plate and arranged in a row, and the concave surface is arc-shaped, so that the rotor cavity forms a circle after the whole assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011511690.9A CN112701826A (en) | 2020-12-18 | 2020-12-18 | Modularized magnetic pole unit structure of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011511690.9A CN112701826A (en) | 2020-12-18 | 2020-12-18 | Modularized magnetic pole unit structure of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112701826A true CN112701826A (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011511690.9A Pending CN112701826A (en) | 2020-12-18 | 2020-12-18 | Modularized magnetic pole unit structure of wind driven generator |
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| CN (1) | CN112701826A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204179783U (en) * | 2014-11-25 | 2015-02-25 | 南车株洲电机有限公司 | A kind of magneto magnetic pole box |
| CN107017717A (en) * | 2017-06-06 | 2017-08-04 | 北京金风科创风电设备有限公司 | Rotor, method of manufacturing rotor, and motor including rotor |
| CN209545286U (en) * | 2019-05-22 | 2019-10-25 | 北京金风科创风电设备有限公司 | Magnetic pole module, rotor and motor |
| CN209823528U (en) * | 2019-05-17 | 2019-12-20 | 北京金风科创风电设备有限公司 | Magnetic pole module, rotor, motor and wind generating set |
| CN210867320U (en) * | 2019-12-10 | 2020-06-26 | 新疆金风科技股份有限公司 | Magnetic pole module, rotor, motor and wind generating set |
-
2020
- 2020-12-18 CN CN202011511690.9A patent/CN112701826A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204179783U (en) * | 2014-11-25 | 2015-02-25 | 南车株洲电机有限公司 | A kind of magneto magnetic pole box |
| CN107017717A (en) * | 2017-06-06 | 2017-08-04 | 北京金风科创风电设备有限公司 | Rotor, method of manufacturing rotor, and motor including rotor |
| CN209823528U (en) * | 2019-05-17 | 2019-12-20 | 北京金风科创风电设备有限公司 | Magnetic pole module, rotor, motor and wind generating set |
| CN209545286U (en) * | 2019-05-22 | 2019-10-25 | 北京金风科创风电设备有限公司 | Magnetic pole module, rotor and motor |
| CN210867320U (en) * | 2019-12-10 | 2020-06-26 | 新疆金风科技股份有限公司 | Magnetic pole module, rotor, motor and wind generating set |
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