CN201270437Y - Permanent magneto generator rotor - Google Patents
Permanent magneto generator rotor Download PDFInfo
- Publication number
- CN201270437Y CN201270437Y CNU2008201000530U CN200820100053U CN201270437Y CN 201270437 Y CN201270437 Y CN 201270437Y CN U2008201000530 U CNU2008201000530 U CN U2008201000530U CN 200820100053 U CN200820100053 U CN 200820100053U CN 201270437 Y CN201270437 Y CN 201270437Y
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- CN
- China
- Prior art keywords
- rotor
- permanent
- pole
- piece
- power generator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a permanent-magnet generator rotor whose magnetic circuit can be closed for solving the problems in the prior art of lower efficiency and waste resources and the like brought by a miniature permanent-magnet generator which adopts a'pole alternating design'. When a rotor of the permanent-magnet generator rotor is static, a closed magnetic pole piece contacts with a pole shoe of the rotor, and a magnetic circuit is led to be closed, permanent magnet field attractive force between a permanent-magnet generator stator and a permanent-magnet generator rotor is reduced, and the rotor can be driven to rotate when the generator is started. The closed magnetic pole piece leaves off the pole shoe of the rotor after the rotor is rotated, and an effective magnetic circuit is formed by a rotor permanent magnet, the pole shoe and the stator iron core. The quantities of pole pair number of the permanent-magnet generator rotor and the pole pair number of the permanent-magnet generator stator are same, power generating efficiency is improved, and raw material consumption is reduced.
Description
Invention field
The utility model relates to a kind of small generator, specially refers to magneto small power generation machine rotor.
Background technology
The prior art small generator often adopts permanent magnet as magnetic field sources, reduces required iron core of excitation and coil with this, has reduced the volume and weight of generator greatly.Owing to reduced required iron core and the coil of excitation, the minitype permanent magnetism generator often is designed to flat structure, and promptly the axial dimension of generator is little many than radial dimension.Owing to adopt permanent magnet as magnetic field sources, whether minitype permanent magnetism generator no matter rotor all exists magnetic field between rotary rotor and the stator, promptly has bigger permanent magnetic field attraction between stator and the rotor.If the stator poles logarithm of permanent magnet generator is identical with the quantity of rotor pole logarithm, promptly rotor pole to stator poles to corresponding one by one, the permanent magnetic field attraction between stator and the rotor will quite big, rotate together so that engine can not drive rotor when startup.For addressing the above problem, prior art adopts the mode of " wrong utmost point design " usually, the quantity that is the rotor pole logarithm of permanent magnet generator and stator poles logarithm is inequality, rotor pole to stator poles to the correspondence that differs, make that the permanent magnetic field attraction between permanent magnet generator machine stator and the rotor is less, together rotate so that when engine start, can drive generator amature, and, guarantee that rotor when rotating to a certain angle, can form effective magnetic circuit with stator core.Obviously, " wrong utmost point design " also brought efficient than problems such as low and the wastings of resources although mode can solve the problem that the minitype permanent magnetism generator is difficult for startup simultaneously.
Summary of the invention
For solving problem such as the low and wasting of resources of efficient that prior art minitype permanent magnetism generator adopts " wrong utmost point design " to bring, the utility model proposes the rotor of permanent-magnetic power generator that a kind of magnetic circuit can be closed.The utility model rotor of permanent-magnetic power generator is provided with in adjacent pole shoe and closes pole piece, and closes pole piece and can or rotate along with the static of rotor, contact or leave rotating pole-piece.The utility model rotor of permanent-magnetic power generator closes pole piece contact rotating pole-piece when stationary rotor, make magnetic circuit be closed, and has reduced the permanent magnetic field attraction between permanent magnet generator machine stator and the rotor, can drive the rotor rotation during engine start.After the rotor rotation, close pole piece and leave rotating pole-piece, rotor permanent magnet, pole shoe and stator core form effective magnetic circuit.The number of pole-pairs of the utility model rotor of permanent-magnetic power generator is identical with the quantity of stator poles logarithm, has improved generating efficiency, has reduced waste of raw materials.
The utility model rotor of permanent-magnetic power generator adopts pole shoe and permanent magnet to assemble formation at interval, and, the corresponding assembling of the polarity that permanent magnet is identical during assembling.
The perpendicular pin of the pole shoe of the utility model rotor of permanent-magnetic power generator can be a cube, also can be prismatoid.
The permanent magnet of the utility model rotor of permanent-magnetic power generator can be a prismatoid, also can be cube.
The utility model rotor of permanent-magnetic power generator is provided with in adjacent pole shoe and closes pole piece, and closes pole piece and can or rotate along with the static of rotor, contact or leave rotating pole-piece.
The utility model rotor of permanent-magnetic power generator can be arranged on rotor radially at the pole piece that closes of adjacent pole shoe setting, also can be arranged on the axial of rotor.
The utility model rotor of permanent-magnetic power generator close pole piece, can or move axially along circumference, perhaps can radially outwards move.
Description of drawings
Fig. 1 is the utility model rotor of permanent-magnetic power generator pole shoe shape schematic three dimensional views;
Fig. 2 is the utility model rotor of permanent-magnetic power generator permanent magnet shape schematic three dimensional views;
Fig. 3 is the front elevational schematic that the utility model rotor of permanent-magnetic power generator pole shoe and permanent magnet assembling back form rotor magnetic pole;
Fig. 4 is the schematic three dimensional views that the utility model rotor of permanent-magnetic power generator pole shoe and permanent magnet assembling back form rotor magnetic pole;
Fig. 5 is that the utility model radial mode closes pole piece shape schematic three dimensional views;
Fig. 6 is that the utility model rotor of permanent-magnetic power generator adopts the schematic three dimensional views of radially closing pole piece closed magnetic circuit embodiment;
Fig. 7 is that the utility model rotor of permanent-magnetic power generator radially closes the schematic three dimensional views that the pole piece circumference moves away rotating pole-piece embodiment;
Fig. 8 is that the utility model rotor of permanent-magnetic power generator radially closes pole piece and moves axially the schematic three dimensional views of leaving rotating pole-piece embodiment;
Fig. 9 is that the utility model rotor of permanent-magnetic power generator radially closes the schematic three dimensional views that pole piece radially outwards moves away rotating pole-piece embodiment;
Figure 10 is that the utility model axially closes pole piece shape schematic three dimensional views;
Figure 11 is that the utility model rotor of permanent-magnetic power generator adopts the schematic three dimensional views of axially closing pole piece closed magnetic circuit embodiment;
Figure 12 is that the utility model rotor of permanent-magnetic power generator axially closes the schematic three dimensional views that the pole piece circumference moves away rotating pole-piece embodiment;
Figure 13 is that the utility model rotor of permanent-magnetic power generator axially closes pole piece and moves axially the schematic three dimensional views of leaving rotating pole-piece embodiment;
Figure 14 is that the utility model rotor of permanent-magnetic power generator axially closes the schematic three dimensional views that pole piece radially outwards moves away rotating pole-piece embodiment.
Below in conjunction with drawings and the specific embodiments the utility model rotor of permanent-magnetic power generator is further described.
Embodiment:
Specific embodiment 1:
Accompanying drawing 1 is the utility model rotor of permanent-magnetic power generator pole shoe shape embodiment schematic three dimensional views.Among the figure, the 1st, the pole shoe of present embodiment rotor.As seen from the figure, the pole shoe shape of present embodiment is similar to the T-shape structure.Wherein, the transverse part end face of T-shape body is curved, and the perpendicular pin of T-shape body is cube shaped.
Accompanying drawing 2 is the utility model rotor of permanent-magnetic power generator permanent magnet embodiment shape schematic three dimensional views.Among the figure, the 2nd, the permanent magnet of present embodiment rotor.As seen from the figure, the similar prismatoid of the shape of present embodiment permanent magnet.
Obviously, also the perpendicular pin of rotor T-shape pole shoe can be designed to prismatoid, and permanent magnet is designed to cube, form certain included angle as long as both make up the back, and, can form an annulus after the pole shoe of requirement and the permanent magnet assembling and get final product.
Accompanying drawing 3 is front elevational schematic that the utility model rotor of permanent-magnetic power generator pole shoe and permanent magnet assembling back form rotor magnetic pole, and Fig. 4 is the schematic three dimensional views that the utility model rotor of permanent-magnetic power generator pole shoe and permanent magnet assembling back form rotor magnetic pole.Among the figure, the 1st, the pole shoe of rotor, the 2nd, the permanent magnet of rotor.As seen from the figure, the utility model rotor of permanent-magnetic power generator adopts the structure of pole shoe and permanent magnet assembled formation, permanent magnet and pole piece spacing combination, the corresponding assembling of the identical polar of permanent magnet, make pole shoe form the spaced apart of the N utmost point, the S utmost point, and finally form the rotor that an inner periphery has polarity.
Specific embodiment 2:
Accompanying drawing 5 is that the utility model radial mode closes pole piece shape schematic three dimensional views.Among the figure, the 3rd, radially be arranged on the pole piece that closes of the adjacent pole shoe of rotor.As seen from the figure, the shape of closing pole piece of present embodiment is similar to a watt type, and radius of circular arc is identical with the radius of the cylindrical of the circumference of rotating pole-piece formation in it.
Accompanying drawing 6 is that the utility model rotor of permanent-magnetic power generator adopts the schematic three dimensional views of radially closing pole piece closed magnetic circuit embodiment.Among the figure, the 1st, the pole shoe of rotor, the 2nd, the permanent magnet of rotor, the 3rd, what radially be provided with closes pole piece.As seen from the figure, closing pole piece two pole shoes adjacent with rotor contacts, the magnetic flux of permanent magnet forms closed between two pole shoes by closing pole piece, therefore, the magnetic flux of circulation between rotating pole-piece and stator core is less, also be that permanent magnetic field attraction between rotating pole-piece and the stator core is less, make under the rotor pole logarithm situation identical, still can drive the rotor rotation during engine start with the quantity of stator poles logarithm.After the rotor rotation, close pole piece and leave rotating pole-piece, make rotor permanent magnet, pole shoe and stator core form effective magnetic circuit.
Accompanying drawing 7 is that the utility model rotor of permanent-magnetic power generator radially closes the schematic three dimensional views that the pole piece circumference moves away rotating pole-piece embodiment.Among the figure, the 1st, the pole shoe of rotor, the 2nd, the permanent magnet of rotor, the 3rd, what radially be provided with closes pole piece.As seen from the figure, present embodiment is to move radially closing the pole piece circumference, makes that closing pole piece does not contact two adjacent pole shoes of rotor simultaneously, makes rotor permanent magnet, pole shoe and stator core form effective magnetic circuit.
Accompanying drawing 8 is that the utility model rotor of permanent-magnetic power generator radially closes pole piece and moves axially the schematic three dimensional views of leaving rotating pole-piece embodiment.Among the figure, the 1st, the pole shoe of rotor, the 2nd, the permanent magnet of rotor, the 3rd, what radially be provided with closes pole piece.As seen from the figure, present embodiment is to move axially radially closing pole piece, makes that closing pole piece does not contact two adjacent pole shoes of rotor simultaneously, makes rotor permanent magnet, pole shoe and stator core form effective magnetic circuit.
Accompanying drawing 9 is that the utility model rotor of permanent-magnetic power generator radially closes the schematic three dimensional views that pole piece radially outwards moves away rotating pole-piece embodiment.Among the figure, the 1st, the pole shoe of rotor, the 2nd, the permanent magnet of rotor, the 3rd, what radially be provided with closes pole piece.As seen from the figure, present embodiment is radially outward to move radially closing pole piece, makes that closing pole piece does not contact two adjacent pole shoes of rotor simultaneously, makes rotor permanent magnet, pole shoe and stator core form effective magnetic circuit.
Specific embodiment 3:
Accompanying drawing 10 is that the utility model axially closes pole piece shape schematic three dimensional views.Among the figure, the 4th, be axially disposed within the pole piece that closes of the adjacent pole shoe of rotor.As seen from the figure, the circular arc type that is shaped as that closes pole piece of present embodiment.The interior radius of circle of the circumference that radius of circular arc and rotating pole-piece form in it is basic identical, and the exradius of the circumference that the radius of external arc and rotating pole-piece form is basic identical.
Accompanying drawing 11 is that the utility model rotor of permanent-magnetic power generator adopts the schematic three dimensional views of axially closing pole piece closed magnetic circuit embodiment.Among the figure, the 1st, the pole shoe of rotor, the 2nd, the permanent magnet of rotor, the 4th, what axially be provided with closes pole piece.As seen from the figure, closing pole piece two pole shoes adjacent with rotor contacts, the magnetic flux of permanent magnet forms closed between two pole shoes by closing pole piece, therefore, the magnetic flux of circulation between rotating pole-piece and stator core is less, also be that permanent magnetic field attraction between rotating pole-piece and the stator core is less, make under the rotor pole logarithm situation identical, still can drive the rotor rotation during engine start with the quantity of stator poles logarithm.After the rotor rotation, close pole piece and leave rotating pole-piece, make rotor permanent magnet, pole shoe and stator core form effective magnetic circuit.
Accompanying drawing 12 is that the utility model rotor of permanent-magnetic power generator axially closes the schematic three dimensional views that the pole piece circumference moves away rotating pole-piece embodiment.Among the figure, the 1st, the pole shoe of rotor, the 2nd, the permanent magnet of rotor, the 4th, what axially be provided with closes pole piece.As seen from the figure, present embodiment is to move axially closing the pole piece circumference, makes that closing pole piece does not contact two adjacent pole shoes of rotor simultaneously, makes rotor permanent magnet, pole shoe and stator core form effective magnetic circuit.
Figure 13 is that the utility model rotor of permanent-magnetic power generator axially closes pole piece and moves axially the schematic three dimensional views of leaving rotating pole-piece embodiment.Among the figure, the 1st, the pole shoe of rotor, the 2nd, the permanent magnet of rotor, the 3rd, what axially be provided with closes pole piece.As seen from the figure, present embodiment is to move axially axially closing pole piece, makes that closing pole piece does not contact two adjacent pole shoes of rotor simultaneously, makes rotor permanent magnet, pole shoe and stator core form effective magnetic circuit.
Figure 14 is that the utility model rotor of permanent-magnetic power generator axially closes the schematic three dimensional views that pole piece radially outwards moves away rotating pole-piece embodiment.Among the figure, the 1st, the pole shoe of rotor, the 2nd, the permanent magnet of rotor, the 3rd, what axially be provided with closes pole piece.As seen from the figure, present embodiment is radially outwards to move axially closing pole piece, makes that closing pole piece does not contact two adjacent pole shoes of rotor simultaneously, makes rotor permanent magnet, pole shoe and stator core form effective magnetic circuit.
Obviously, it can be diversified realizing closing the mode that the pole piece circumference moves, moves axially or radially outwards move, and can adopt modes such as mechanical lever, spiral, also can adopt mode of Electromagnetic Control or the like.
Claims (6)
1, a kind of rotor of permanent-magnetic power generator is characterized in that: adopt pole shoe and permanent magnet to assemble formation at interval, and, the corresponding assembling of the polarity that permanent magnet is identical during assembling.
2, according to the described rotor of permanent-magnetic power generator of claim 1, it is characterized in that: the perpendicular pin of the pole shoe of described rotor can be a cube, also can be prismatoid.
3, according to the described rotor of permanent-magnetic power generator of claim 1, it is characterized in that: the permanent magnet of described rotor can be a prismatoid, also can be cube.
4, according to the described rotor of permanent-magnetic power generator of claim 1, it is characterized in that: described rotor is provided with in adjacent pole shoe and closes pole piece, and closes pole piece and can or rotate along with the static of rotor, contact or leave rotating pole-piece.
5, according to the described rotor of permanent-magnetic power generator of claim 1, it is characterized in that: the described pole piece that closes can be arranged on rotor radially, also can be arranged on the axial of rotor.
6, according to the described rotor of permanent-magnetic power generator of claim 1, it is characterized in that: the described pole piece that closes can or move axially along circumference, perhaps can radially outwards move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201000530U CN201270437Y (en) | 2008-09-22 | 2008-09-22 | Permanent magneto generator rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201000530U CN201270437Y (en) | 2008-09-22 | 2008-09-22 | Permanent magneto generator rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201270437Y true CN201270437Y (en) | 2009-07-08 |
Family
ID=40843047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201000530U Expired - Fee Related CN201270437Y (en) | 2008-09-22 | 2008-09-22 | Permanent magneto generator rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201270437Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558931A (en) * | 2015-09-24 | 2017-04-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and its tangential permanent magnetic rotor |
| CN103378663B (en) * | 2012-04-17 | 2018-03-30 | 西门子公司 | Pole shoe structure for the machine parts of motor |
| CN113098216A (en) * | 2019-12-23 | 2021-07-09 | 新疆金风科技股份有限公司 | Magnetic conduction tool, sleeving tool of motor and sleeving method |
-
2008
- 2008-09-22 CN CNU2008201000530U patent/CN201270437Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103378663B (en) * | 2012-04-17 | 2018-03-30 | 西门子公司 | Pole shoe structure for the machine parts of motor |
| CN106558931A (en) * | 2015-09-24 | 2017-04-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and its tangential permanent magnetic rotor |
| CN106558931B (en) * | 2015-09-24 | 2019-12-24 | 珠海格力电器股份有限公司 | Motor and tangential permanent magnet rotor thereof |
| US10630124B2 (en) | 2015-09-24 | 2020-04-21 | Gree Electric Appliances, Inc. Of Zhuhai | Electric motor and tangential type permanent magnet rotor thereof |
| CN113098216A (en) * | 2019-12-23 | 2021-07-09 | 新疆金风科技股份有限公司 | Magnetic conduction tool, sleeving tool of motor and sleeving 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: 20090708 Termination date: 20130922 |