CN204243943U - Permanent magnet machine rotor - Google Patents
Permanent magnet machine rotor Download PDFInfo
- Publication number
- CN204243943U CN204243943U CN201420817845.5U CN201420817845U CN204243943U CN 204243943 U CN204243943 U CN 204243943U CN 201420817845 U CN201420817845 U CN 201420817845U CN 204243943 U CN204243943 U CN 204243943U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- isolation channel
- permanent magnetism
- rotating shaft
- silicon steel
- Prior art date
- 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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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a kind of permanent magnet machine rotor, its drip irrigation device comprises several silicon steel sheets laminated, rotating shaft, described rotating shaft is through the silicon steel sheet center of circle, described silicon steel sheet side surface circumference array has the permanent magnetism groove of several rectangles, described permanent magnetism groove internal fixtion is connected with permanent magnet, several cage grooves are equipped with between described permanent magnetism groove, mouse cage sliver is provided with in described cage grooves, described permanent magnetism slot length and width are all greater than cage grooves length and width, described each permanent magnetism groove is equipped with the first isolation channel of rectangle near rotating shaft one end, the second isolation channel is equipped with between described first isolation channel, isolation sliver is all fixedly connected with in described first isolation channel and the second isolation channel, operational reliability is effectively raised when high-speed cruising, noise reduces, Loss reducing, improve the efficiency of work, effectively raise the maximum speed of magneto.
Description
Technical field
The utility model relates to a kind of rotor, and more particularly, it relates to a kind of permanent magnet machine rotor.
Background technology
It is simple that magneto has structure, reliable, volume is little, quality is light, loss is little, the feature that efficiency is high, and these benefits of magneto mainly depend on the internal structure with magneto, wherein rotor structure improves has larger effect to the effect improved of magneto, rotor structure mainly comprises several silicon steel sheets laminated, rotating shaft is through silicon steel sheet, on silicon steel sheet, Circle-Array shows several cage grooves, and current magneto is owing to adopting the permanent magnet of high magnetic to produce necessary motor-field, and multiple permanent magnet is near rotating shaft, although the magnetic field magnetic force produced is stronger, but the magnetic interference produced between permanent magnet and very strong, especially the impact that the magnetic field that two permanent magnets in opposite directions produce produces global magnetic field is larger, cause magnetic field unstable, thus affect the normal operation of magneto, the magnetic field relativity produced when electromagnetic field and the permanent magnet of winding generation on stator is unstable, thus cause magneto rotating speed higher, operational reliability is lower, the noise produced becomes large, loss increases, and the efficiency of the relative work that decreases, the maximum speed of magneto is made to create certain restriction.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of stable magnetic field, and during high speed rotating, operational reliability is high, and noise is little, the permanent magnetism of loss, loss are little, the rotor that operating efficiency is high.
For achieving the above object, the utility model provides following technical scheme: a kind of permanent magnet machine rotor, comprise the silicon steel sheet that several laminate, rotating shaft, described rotating shaft is through the silicon steel sheet center of circle, described silicon steel sheet side surface circumference array has the permanent magnetism groove of several rectangles, described permanent magnetism groove internal fixtion is connected with permanent magnet, several cage grooves are equipped with between described permanent magnetism groove, mouse cage sliver is provided with in described cage grooves, described permanent magnetism slot length and width are all greater than cage grooves length and width, described each permanent magnetism groove is equipped with the first isolation channel of rectangle near rotating shaft one end, the second isolation channel is equipped with between described first isolation channel, isolation sliver is all fixedly connected with in described first isolation channel and the second isolation channel.
Preferably, described permanent magnetism groove is provided with breach away from rotating shaft one end, and described gap width is less than permanent magnetism well width.
Preferably, described second isolation channel is circular.
Preferably, described second isolation channel is circular arc.
Preferably, described permanent magnet is Nd-Fe-B permanent magnet.
Compared with prior art, the beneficial effects of the utility model are: mouse cage sliver is between permanent magnet, mouse cage sliver is made to be in the magnetic field of permanent magnet generation completely, and effectively raise the magnetic flux in the mouse cage sliver of permanent magnet, effectively decrease loss, and mouse cage sliver is identical with the magnetic line of force direction that permanent magnet produces, the direction effectively avoiding magnetic line of force direction and mouse cage sliver produces and offsets, improve the conversion efficiency of energy, and the magnetic fields that permanent magnet produces is evenly distributed at the action intensity of mouse cage sliver, effectively raise the stability of running, and the isolation sliver in the first isolation channel has effectively completely cut off the magnetic interference that two permanent magnets in opposite directions produce, isolation sliver in second isolation channel is the isolated magnetic interference passed through from the gap between the first isolation channel effectively, and the magnetic interference avoiding two adjacent permanent magnets to produce, effectively raise the uniformity of Distribution of Magnetic Field, mutual magnetic is avoided to produce interference, improve the stability of running, and the magnetic interference between the permanent magnet greatly reduced, the magnetic field that the fixed magnetic field of generation and winding are produced coordinates more stable, operational reliability is effectively raised when high-speed cruising, noise reduces, Loss reducing, improve the efficiency of work, effectively raise the maximum speed of magneto.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model permanent magnet machine rotor embodiment silicon steel sheet;
Fig. 2 is the stereogram of the utility model permanent magnet machine rotor embodiment;
Fig. 3 is the stereogram of a kind of embodiment silicon steel plate stacking of the utility model permanent magnet machine rotor;
Fig. 4 is the stereogram of the another kind of embodiment silicon steel plate stacking of the utility model permanent magnet machine rotor.
Reference numeral: 1, silicon steel sheet; 2, permanent magnetism groove; 21, permanent magnet; 3, breach; 4, cage grooves; 41, mouse cage sliver; 5, the first isolation channel; 51, sliver is isolated; 6, the second isolation channel; 7, rotating shaft.
Embodiment
Referring to figs. 1 through Fig. 4, the utility model permanent magnet machine rotor embodiment is described further.
A kind of permanent magnet machine rotor, comprise the silicon steel sheet that several laminate, rotating shaft, described rotating shaft is through the silicon steel sheet center of circle, described silicon steel sheet side surface circumference array has the permanent magnetism groove of several rectangles, described permanent magnetism groove internal fixtion is connected with permanent magnet, several cage grooves are equipped with between described permanent magnetism groove, mouse cage sliver is provided with in described cage grooves, described permanent magnetism slot length and width are all greater than cage grooves length and width, described each permanent magnetism groove is equipped with the first isolation channel of rectangle near rotating shaft one end, the second isolation channel is equipped with between described first isolation channel, isolation sliver is all fixedly connected with in described first isolation channel and the second isolation channel, mouse cage sliver is between permanent magnet, mouse cage sliver is made to be in the magnetic field of permanent magnet generation completely, and effectively raise the magnetic flux in the mouse cage sliver of permanent magnet, effectively decrease loss, and mouse cage sliver is identical with the magnetic line of force direction that permanent magnet produces, the direction effectively avoiding magnetic line of force direction and mouse cage sliver produces and offsets, improve the conversion efficiency of energy, and the magnetic fields that permanent magnet produces is evenly distributed at the action intensity of mouse cage sliver, effectively raise the stability of running, and the isolation sliver in the first isolation channel has effectively completely cut off the magnetic interference that two permanent magnets in opposite directions produce, isolation sliver in second isolation channel is the isolated magnetic interference passed through from the gap between the first isolation channel effectively, and the magnetic interference avoiding two adjacent permanent magnets to produce, effectively raise the uniformity of Distribution of Magnetic Field, mutual magnetic is avoided to produce interference, improve the stability of running, and the magnetic interference between the permanent magnet greatly reduced, the magnetic field that the fixed magnetic field of generation and winding are produced coordinates more stable, operational reliability is effectively raised when high-speed cruising, noise reduces, Loss reducing, improve the efficiency of work, effectively raise the maximum speed of magneto, prove through many experiments, when permanent magnet is 12, when being equipped with 5 cage grooves between permanent magnetism groove, magneto operational reliability is best, noise is low, loss is little, operating efficiency is high, maximum speed is the highest.
Described permanent magnetism groove is provided with breach away from rotating shaft one end, described gap width is less than permanent magnetism well width, effectively decrease the obstruct to permanent magnetism groove, effectively raise the magnetic field intensity of permanent magnet away from rotating shaft one end, the magnetic field produced with winding is better coordinated, effectively decrease loss, increase work efficiency.
Described second isolation channel is circular, makes isolation sliver effectively change the shape of Distribution of Magnetic Field, makes Distribution of Magnetic Field more even, improves the stability that magneto runs.
Described second isolation channel is circular arc, improves the isolation range of isolation sliver, effectively prevents magnetic field from diffusing near rotating shaft side, effective minimizing 2 permanent magnets in opposite directions produce interference mutually, and noise is reduced, and loss reduces, operating efficiency improves, and maximum speed improves.
Described permanent magnet is Nd-Fe-B permanent magnet, very hard and crisp, so that the neodymium iron boron precision that mull technique manufactures is high, magnetic property is splendid, good corrosion resistance, temperature stability are good, effectively raises magnetic field magnetic force, and improves useful life.
Claims (5)
1. a permanent magnet machine rotor, comprise the silicon steel sheet that several laminate, rotating shaft, described rotating shaft is through the silicon steel sheet center of circle, it is characterized in that: described silicon steel sheet side surface circumference array has the permanent magnetism groove of several rectangles, described permanent magnetism groove internal fixtion is connected with permanent magnet, several cage grooves are equipped with between described permanent magnetism groove, mouse cage sliver is provided with in described cage grooves, described permanent magnetism slot length and width are all greater than cage grooves length and width, described each permanent magnetism groove is equipped with the first isolation channel of rectangle near rotating shaft one end, the second isolation channel is equipped with between described first isolation channel, isolation sliver is all fixedly connected with in described first isolation channel and the second isolation channel.
2. permanent magnet machine rotor according to claim 1, is characterized in that: described permanent magnetism groove is provided with breach away from rotating shaft one end, and described gap width is less than permanent magnetism well width.
3. permanent magnet machine rotor according to claim 2, is characterized in that: described second isolation channel is for circular.
4. permanent magnet machine rotor according to claim 2, is characterized in that: described second isolation channel is circular arc.
5. the permanent magnet machine rotor according to claim 3 or 4, is characterized in that: described permanent magnet is Nd-Fe-B permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420817845.5U CN204243943U (en) | 2014-12-20 | 2014-12-20 | Permanent magnet machine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420817845.5U CN204243943U (en) | 2014-12-20 | 2014-12-20 | Permanent magnet machine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204243943U true CN204243943U (en) | 2015-04-01 |
Family
ID=52773387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420817845.5U Expired - Fee Related CN204243943U (en) | 2014-12-20 | 2014-12-20 | Permanent magnet machine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204243943U (en) |
-
2014
- 2014-12-20 CN CN201420817845.5U patent/CN204243943U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20181220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |