CN201398102Y - Rotor of permanent-magnet wind-driven generator - Google Patents
Rotor of permanent-magnet wind-driven generator Download PDFInfo
- Publication number
- CN201398102Y CN201398102Y CN2009201002155U CN200920100215U CN201398102Y CN 201398102 Y CN201398102 Y CN 201398102Y CN 2009201002155 U CN2009201002155 U CN 2009201002155U CN 200920100215 U CN200920100215 U CN 200920100215U CN 201398102 Y CN201398102 Y CN 201398102Y
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- permanent
- magnet
- rotor
- driven generator
- wedge
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
A rotor of a permanent-magnet wind driven generator belongs to the field of motors, and aims to solve the problems as follows: in the prior permanent-magnet wind driven generator, a magnet steel is embedded on the rotor body and causes serious magnetic leakage; and even though the technical scheme that an annular permanent-magnet is used to replace a plurality of magnet steels, the problems such as magnetic leakage and hard assembly still exist in the two-pole boundary part. The utility model provides three technical schemes as follows: (1) a hollow groove is formed between two adjacent permanent magnets, and the air is used to block the magnetic leakage between the two permanent magnets; (2) a magnet core between the two adjacent permanent magnets is changed into a pressure block made ofnon-magnetic materials, and the pressure block is fixedly connected with the magnet core; and (3) wedge blocks made of non-magnetic materials are arranged between the left side of each permanent magnet and the magnet core, as well as between the right side of each permanent magnet and the magnet core, and the wedge blocks are fixedly connected with the magnet core. The rotor is used to reduce themagnetic leakage of the permanent-magnet wind driven generator.
Description
Technical field
The utility model relates to a kind of rotor structure of permanent-magnetic wind driven generator, belongs to machine field.
Background technology
Because the rotating speed of permanent-magnetic wind driven generator is lower, so the number of poles of permanent-magnetic wind driven generator is more, ordinary circumstance permanent-magnetic wind driven generator rotor adopts the mounting means of surface-type.The mounting means of surface-type is divided into two kinds: first kind is that the tile type magnet steel is bonded at the rotor block surface with adhesive, but under inclement weather conditions (for example hurricane and high temperature etc.), magnet steel breaks away from the rotor block surface easily, and generator is damaged; Second kind is that a plurality of magnet steel are embedded on the rotor block, but the leakage field between adjacent two magnet steel is very big, has influenced the performance of generator.
At second kind of situation, Chinese patent " permanent-magnetic wind driven generator generator new type rotor technology " (publication number is CN1503429) in first to file discloses a kind of technical scheme, a plurality of magnet steel are become an annular permanent magnnet, adopt the method for interference fits and stickup to be fixed together with rotor block, though technology has become simply, the place still has very big leakage field in line of demarcation, the two poles of the earth.For the bigger generator of power, the assembling of annular permanent magnnet and rotor block is difficult for realizing, and annular permanent magnnet is broken easily in assembling process.
The utility model content
The purpose of this utility model is to solve magnet steel to be embedded in the phenomenon that exists leakage field big on the rotor block at present permanent-magnetic wind driven generator, adopt annular permanent magnnet to replace the technical scheme of a plurality of magnet steel to exist the two poles of the earth boundary still to have leakage field and assembling to be difficult for the problem that realizes, a kind of rotor of permanent-magnetic wind driven generator is provided.
Rotor block outer round surface of the present utility model along the circumferential direction evenly is inlaid with the permanent magnet of isosceles trapezoid, middle part between every two adjacent permanent magnets is provided with groove, groove is arranged on the iron core, and the radial height of groove is 1～1.3 times of radial thickness of permanent magnet.
Second kind of scheme that the utility model provides is: the rotor block outer round surface along the circumferential direction evenly is inlaid with the permanent magnet of isosceles trapezoid, be provided with the briquetting of non-magnet material between every two adjacent permanent magnets, the bottom surface and the iron core of briquetting are bonding, fixedly connected with staple between briquetting and the iron core, and utilize spot welding that the briquetting of the head of a nail of staple and non-magnet material is welded together, the bottom surface of briquetting and the bottom surface of permanent magnet are on the same circumference, and the radial height of briquetting is 60%～80% of a permanent magnet radial thickness.
The third scheme that the utility model provides is: the rotor block outer round surface along the circumferential direction evenly is inlaid with the permanent magnet of isosceles trapezoid, be provided with the wedge of non-magnet material between each permanent magnet left and right sides and the iron core, the side and the iron core of wedge are bonding, fixedly connected with staple between wedge and the iron core, and utilize spot welding that the wedge of the head of a nail of staple and non-magnet material is welded together, the end face of wedge and the cylindrical of iron core are on the same circumference, and the bottom surface of permanent magnet is in the same plane with the bottom surface of the wedge that is arranged on its both sides.
The utility model has the advantages that: effectively reduced the leakage field between the permanent-magnetic wind driven generator two adjacent permanent magnets, reduced loss, thereby improved the power generation performance and the efficient of permanent-magnetic wind driven generator; Assembling is simple, realizes easily.
Description of drawings
Fig. 1 is the structural representation of traditional permanent-magnetic wind driven generator, and Fig. 2 is the structural representation of execution mode one, and Fig. 3 is the structural representation of execution mode two, and Fig. 4 is the structural representation of execution mode three.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, the rotor block outer round surface of present embodiment along the circumferential direction evenly is inlaid with the permanent magnet 1 of isosceles trapezoid, middle part between every two adjacent permanent magnets 1 is provided with groove 4, groove 4 is arranged on the iron core 2, and the radial height of groove 4 is 1～1.3 times of radial thickness of permanent magnet 1.
Figure 1 shows that the structure chart of traditional permanent-magnetic wind driven generator, rotor block is provided with a plurality of lightening holes 3, and a plurality of permanent magnets 1 are embedded on the rotor block, but the leakage field between the two adjacent permanent magnets 1 is very big, has influenced the performance of permanent-magnetic wind driven generator.
Embodiment two: present embodiment is described below in conjunction with Fig. 3, the rotor block outer round surface of present embodiment along the circumferential direction evenly is inlaid with the permanent magnet 1 of isosceles trapezoid, be provided with the briquetting 5 of non-magnet material between every two adjacent permanent magnets 1, the bottom surface of briquetting 5 and iron core 2 are bonding, fixedly connected with staple 7 between briquetting 5 and the iron core 2, and utilize spot welding that the briquetting 5 of the head of a nail of staple 7 and non-magnet material is welded together, the bottom surface of the bottom surface of briquetting 5 and permanent magnet 1 is on the same circumference, and the radial height of briquetting 5 is 60%～90% of permanent magnet 1 radial thicknesss.
In the present embodiment, carry out bondingly between briquetting 5 and the iron core 2 with adhesive, use staple 7 fixedly connected again, utilize spot welding that the head of a nail and the briquetting 5 of staple 7 is welded together simultaneously.The leakage field that briquetting 5 blocking-up two adjacent permanent magnets by non-magnet material are 1, as shown in Figure 3.Briquetting 5 adopts stainless steel.
Embodiment three: present embodiment is described below in conjunction with Fig. 4, the rotor block outer round surface of present embodiment along the circumferential direction evenly is inlaid with the permanent magnet 1 of isosceles trapezoid, be provided with the wedge 6 of non-magnet material between each permanent magnet 1 left and right sides and the iron core 2, the side of wedge 6 and iron core 2 are bonding, fixedly connected with staple 7 between wedge 6 and the iron core 2, and utilize spot welding that the wedge 6 of the head of a nail of staple 7 and non-magnet material is welded together, the cylindrical of the end face of wedge 6 and iron core 2 is on the same circumference, and the bottom surface of permanent magnet 1 is in the same plane with the bottom surface of the wedge 6 that is arranged on its both sides.
The left and right sides of each permanent magnet 1 and iron core 2 contact positions are stained with the wedge 6 of non-magnet material, and with staple 7 in that wedge 6 and iron core 2 are carried out is further fixing, utilize spot welding that the head of a nail and the wedge 6 of staple 7 is welded together simultaneously, and then embed permanent magnet 1.As shown in Figure 4.Wedge 6 adopts stainless steel.
The surface of permanent magnet 1 can twine some does not have the dimension band, and permanent magnet 1 is played fixing and protective effect.
Claims (5)
1, a kind of rotor of permanent-magnetic wind driven generator, the rotor block outer round surface along the circumferential direction evenly is inlaid with the permanent magnet (1) of isosceles trapezoid, it is characterized in that, middle part between every two adjacent permanent magnets (1) is provided with groove (4), groove (4) is arranged on the iron core (2), and the radial height of groove (4) is 1～1.3 times of radial thickness of permanent magnet (1).
2, a kind of rotor of permanent-magnetic wind driven generator, the rotor block outer round surface along the circumferential direction evenly is inlaid with the permanent magnet (1) of isosceles trapezoid, it is characterized in that, be provided with the briquetting (5) of non-magnet material between every two adjacent permanent magnets (1), the bottom surface of briquetting (5) and iron core (2) are bonding, fixedly connected with staple (7) between briquetting (5) and the iron core (2), and utilize spot welding that the briquetting (5) of the head of a nail of staple (7) and non-magnet material is welded together, the bottom surface of the bottom surface of briquetting (5) and permanent magnet (1) is on the same circumference, and the radial height of briquetting (5) is 60%～90% of permanent magnet (a 1) radial thickness.
3, the rotor of a kind of permanent-magnetic wind driven generator according to claim 2 is characterized in that, briquetting (5) adopts stainless steel.
4, a kind of rotor of permanent-magnetic wind driven generator, the rotor block outer round surface along the circumferential direction evenly is inlaid with the permanent magnet (1) of isosceles trapezoid, it is characterized in that, be provided with the wedge (6) of non-magnet material between each permanent magnet (1) left and right sides and the iron core (2), the side of wedge (6) and iron core (2) are bonding, fixedly connected with staple (7) between wedge (6) and the iron core (2), and utilize spot welding that the wedge (6) of the head of a nail of staple (7) and non-magnet material is welded together, the cylindrical of the end face of wedge (6) and iron core (2) is on the same circumference, and the bottom surface of permanent magnet (1) is in the same plane with the bottom surface of the wedge (6) that is arranged on its both sides.
5, the rotor of a kind of permanent-magnetic wind driven generator according to claim 4 is characterized in that, wedge (6) adopts stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201002155U CN201398102Y (en) | 2009-06-22 | 2009-06-22 | Rotor of permanent-magnet wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201002155U CN201398102Y (en) | 2009-06-22 | 2009-06-22 | Rotor of permanent-magnet wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201398102Y true CN201398102Y (en) | 2010-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201002155U Expired - Fee Related CN201398102Y (en) | 2009-06-22 | 2009-06-22 | Rotor of permanent-magnet wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201398102Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158031A (en) * | 2011-03-30 | 2011-08-17 | 东元总合科技（杭州）有限公司 | High-power permanent magnet synchronous generator |
| CN102780294A (en) * | 2012-08-22 | 2012-11-14 | 南车株洲电机有限公司 | Permanent magnet motor |
| CN102956274A (en) * | 2011-08-17 | 2013-03-06 | 中国核动力研究设计院 | Hybrid linear reluctance motor type control rod drive mechanism |
| CN104158329A (en) * | 2014-09-01 | 2014-11-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and rotor thereof |
| CN108808917A (en) * | 2018-08-02 | 2018-11-13 | 浙江翔飞智能科技有限公司 | A kind of motor |
| CN110365142A (en) * | 2019-06-20 | 2019-10-22 | 徐州亚泰电机有限公司 | A kind of wound rotor asynchronous motor and manufacturing method |
-
2009
- 2009-06-22 CN CN2009201002155U patent/CN201398102Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158031A (en) * | 2011-03-30 | 2011-08-17 | 东元总合科技（杭州）有限公司 | High-power permanent magnet synchronous generator |
| CN102158031B (en) * | 2011-03-30 | 2013-08-21 | 东元总合科技（杭州）有限公司 | High-power permanent magnet synchronous generator |
| CN102956274A (en) * | 2011-08-17 | 2013-03-06 | 中国核动力研究设计院 | Hybrid linear reluctance motor type control rod drive mechanism |
| CN102956274B (en) * | 2011-08-17 | 2016-06-29 | 中国核动力研究设计院 | Mixing linear reluctance motor type control rod driving mechanism |
| CN102780294A (en) * | 2012-08-22 | 2012-11-14 | 南车株洲电机有限公司 | Permanent magnet motor |
| CN102780294B (en) * | 2012-08-22 | 2015-04-15 | 南车株洲电机有限公司 | Permanent magnet motor |
| CN104158329A (en) * | 2014-09-01 | 2014-11-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and rotor thereof |
| CN108808917A (en) * | 2018-08-02 | 2018-11-13 | 浙江翔飞智能科技有限公司 | A kind of motor |
| CN110365142A (en) * | 2019-06-20 | 2019-10-22 | 徐州亚泰电机有限公司 | A kind of wound rotor asynchronous motor and manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20110622 |