CN202524256U - Double-layer permanent magnet gear transmission - Google Patents
Double-layer permanent magnet gear transmission Download PDFInfo
- Publication number
- CN202524256U CN202524256U CN2012200752546U CN201220075254U CN202524256U CN 202524256 U CN202524256 U CN 202524256U CN 2012200752546 U CN2012200752546 U CN 2012200752546U CN 201220075254 U CN201220075254 U CN 201220075254U CN 202524256 U CN202524256 U CN 202524256U
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- double
- stator
- deck
- rotor
- permanent magnet
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Abstract
The utility model belongs to the mechanical and electrical engineering field and relates to a double-layer permanent magnet gear transmission. The transmission comprises double layers of internal rotors, double layers of stators and an external rotor which are sleeved radially and concentrically and in an embedded mode. There are gaps between the internal rotors and the stators, and between the external rotors and the stators so as to form non-contact structures. The double layers of internal rotor are located on an inner layer and are radially arranged in parallel. The each layer of internal rotor is provided with at least one pair of internal rotor poles which are arranged in pairs and are made of a permanent magnet material. The double layers of stators are located on a middle layer and are provided with pairs of comb tooth structures which are uniformly distributed and a stator pole which is formed by a ferromagnetic material. The external rotor of the ferromagnetic material is located on an outer layer and is provided with the continuous comb tooth structures. Internal and external rotor poles and the stator comb teeth are in a same plane. By using the transmission of the utility model, design difficulty in a usual technology is reduced. The transmission possesses the following advantages that: efficiency is high; a torque is large and stable; noise is low and the transmission is easy to be maintained; a service life is long and so on.
Description
Technical field
The utility model belongs to the electromechanical engineering field, relates to a kind of double-deck permanent magnet gear transmission device.
Background technology
Existing gear-shift mechanism basically all is mechanical gear interlock direct contact type, and shortcoming is that efficient is low, and noise is big, needs lubricated, fragile etc.The permanent magnetic speed-adjusting system produces magnetic field with permanent magnet mostly, and magnetic field is passed air gap and is coupled master and slave moving axis, regulates coupled magnetic field size realization speed governing through regulating air gap or relative area.The defective of this type magnetic coupled system is: complex structure has increased design difficulty; The magnet contact area is limited, and it is little to produce moment, and slewing range is limited.
The utility model content
To the technical problem of above-mentioned existence, the purpose of the utility model is to provide a kind of double-deck efficiently permanent magnet gear transmission device, improves transmission efficiency and torque stability, reduces loss.This permanent magnet gear transmission device adopts double-deck stator and double-deck inner rotor core, has improved torque and efficient greatly.
For realizing above-mentioned purpose, the utility model is realized through following technical scheme:
A kind of double-deck permanent magnet gear transmission device comprises double-deck internal rotor, double-deck stator and external rotor, and radial concentric, inserting type suit leave the contactless structure in gap between internal rotor and stator, external rotor and the stator; Double-deck internal rotor is positioned at internal layer, radially is set up in parallel, and has that be provided with, permanent magnet material the in pairs internal rotor magnetic pole of at least one pair on every layer of internal rotor; Double-deck stator is positioned at the middle level, has the comb structure that is uniformly distributed with in pairs, the magnetic pole of the stator that is made up of ferromagnetic material; The ferromagnetic material external rotor is positioned at skin, has continuous comb structure; Inside and outside rotor magnetic pole and stator broach are positioned on the same plane.
The inner surface of said external rotor has the comb structure that is uniformly distributed with continuously.
The broach that is had on the said external rotor magnetic poles has identical electrical degree with the stator broach, and the magnetic pole of the stator width is greater than 2.4 °～7.2 ° of internal rotor magnet pole widths.
The N utmost point of said double-deck internal rotor permanent-magnetic body and the S utmost point are alternately placed; Stator radially double-decker has different magnet pole widths, differs 28.6 °～34.6 °.
Said external rotor tooth depth is identical with the stator tooth depth.
The utlity model has following advantage:
The utility model has adopted the permanent magnet gear transmission device with double-deck internal rotor, double-deck stator and external rotor, has improved torque and efficient greatly, has reduced the design difficulty in the common technology, and noise is little, easy care, advantages such as long service life.
The utility model adopts the N utmost point of internal rotor permanent-magnetic body and the S utmost point alternately to place, and has strengthened magnetic field intensity, has increased the contact area of magnet, has realized the variation of different rotating speeds.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the A-A cross-sectional schematic of Fig. 1;
Fig. 3 is the B-B cross-sectional schematic of Fig. 1;
Among the figure: 1. external rotor, 2. stator axis, 3. external rotor broach, 4. stator broach, 5. internal rotor permanent-magnetic body magnetic pole, 6. internal rotor, 7. inner rotor shaft, 8. stator.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is done further explain.
Embodiment 1
The double-layer gear speed changer is meant that unofficial biography of output can rotate with different speed when a power shaft drives internal rotor with a speed rotation.The utility model is the variation that realizes different rotating speeds with the theory in magnetic field.As shown in Figure 1, the said double-deck internal rotor of the utility model comprises the magnetic pole that is made up of permanent magnetic material.
As shown in Figures 2 and 3, present embodiment comprises double-deck internal rotor, double-deck stator and external rotor, through pedestal radial concentric, inserting type suit, leaves the contactless structure in gap between internal rotor and external rotor, external rotor and the stator; Double-deck internal rotor is positioned at internal layer, radially is set up in parallel, and has that be provided with, permanent magnet material the in pairs internal rotor magnetic pole of at least one pair on every layer of internal rotor; Double-deck stator is positioned at the middle level, has the comb structure that is uniformly distributed with in pairs, the magnetic pole of the stator that is made up of ferromagnetic material; The ferromagnetic material external rotor is positioned at skin, has continuous comb structure; Inside and outside rotor magnetic pole and stator broach are positioned on the same plane.
The said double-deck internal rotor of the utility model is made up of internal rotor pedestal, inner rotor shaft, internal rotor magnetic pole, internal rotor magnetic pole mounted in pairs with inner rotor shaft be on the internal rotor pedestal of one, said double-deck inner rotor shaft is through the pivot joint of bearing and stator;
The broach that is had on the said external rotor magnetic poles has identical electrical degree with the stator broach, and the magnetic pole of the stator width is greater than 4.4 ° of internal rotor magnet pole widths.
The N utmost point of said double-deck internal rotor permanent-magnetic body and the S utmost point are alternately placed.Stator radially double-decker has different magnet pole widths, differs 32.2 °.
Said double-deck stator is made up of stator base, stator axis, stator broach, and stator axis (through stator base) and external rotor articulate, with stator axis be that the stator base of one is provided with comb structure; Said external rotor is extremely gone up the comb structure that the broach that had and stator broach have the same electrical angle.
The operation principle of the utility model is the comprehensive of magneto and reaction equation reluctance motor, has utilized magnetic flux to try hard to walk the characteristics of magnetic resistance minimal path.During work; The magnetic pole of working simultaneously always works in pairs, and the outer torque that produces mainly is the principle of reluctance machine, i.e. the position of torque electrical degree and internal rotor permanent magnet poles orientation independent; When internal rotor rotates pole span of internal rotor magnetic pole, broach of external rotor rotation.
Embodiment 2
This example is with the difference of embodiment 1:
The broach that is had on the said external rotor magnetic poles has identical electrical degree with the stator broach, and the magnetic pole of the stator width is greater than 2.4 ° of internal rotor magnet pole widths.
The N utmost point of said double-deck internal rotor permanent-magnetic body and the S utmost point are alternately placed.Stator radially double-decker has different magnet pole widths, differs 28.6 °.
This example is with the difference of embodiment 1:
The broach that is had on the said external rotor magnetic poles has identical electrical degree with the stator broach, and the magnetic pole of the stator width is greater than 6.4 ° of internal rotor magnet pole widths.
The N utmost point of said double-deck internal rotor permanent-magnetic body and the S utmost point are alternately placed.Stator radially double-decker has different magnet pole widths, differs 30.2 °.
Claims (5)
1. double-deck permanent magnet gear transmission device is characterized in that: comprise double-deck internal rotor, double-deck stator and external rotor, radial concentric, inserting type suit leave the contactless structure in gap between internal rotor and stator, external rotor and the stator; Said double-deck internal rotor is positioned at internal layer, radially is set up in parallel, and has that be provided with, permanent magnet material the in pairs internal rotor magnetic pole of at least one pair on every layer of internal rotor; Said double-deck stator is positioned at the middle level, has the comb structure that is uniformly distributed with in pairs, the magnetic pole of the stator that is made up of ferromagnetic material; The ferromagnetic material external rotor is positioned at skin, has continuous comb structure; Inside and outside rotor magnetic pole and stator broach are positioned on the same plane.
2. double-deck permanent magnet gear transmission device according to claim 1, it is characterized in that: the inner surface of said external rotor has the comb structure that is uniformly distributed with continuously.
3. double-deck permanent magnet gear transmission device according to claim 2, it is characterized in that: the broach that is had on the said external rotor magnetic poles has identical electrical degree with the stator broach, and the magnetic pole of the stator width is greater than 2.4 °～7.2 ° of internal rotor magnet pole widths.
4. double-deck permanent magnet gear transmission device according to claim 1 is characterized in that: the N utmost point of said double-deck internal rotor permanent-magnetic body and the S utmost point are alternately placed; Stator radially double-decker has different magnet pole widths, differs 28.6 °～34.6 °.
5. double-deck permanent magnet gear transmission device according to claim 1 is characterized in that: said external rotor tooth depth is identical with the stator tooth depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200752546U CN202524256U (en) | 2012-03-01 | 2012-03-01 | Double-layer permanent magnet gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200752546U CN202524256U (en) | 2012-03-01 | 2012-03-01 | Double-layer permanent magnet gear transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524256U true CN202524256U (en) | 2012-11-07 |
Family
ID=47107185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200752546U Expired - Fee Related CN202524256U (en) | 2012-03-01 | 2012-03-01 | Double-layer permanent magnet gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202524256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059223A (en) * | 2016-05-25 | 2016-10-26 | 东南大学 | Complementary type magnetic gear double-rotor motor |
| CN112968585A (en) * | 2021-02-05 | 2021-06-15 | 上海理工大学 | High-reduction-ratio harmonic magnetic gear reducer with torque measurement capability |
-
2012
- 2012-03-01 CN CN2012200752546U patent/CN202524256U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059223A (en) * | 2016-05-25 | 2016-10-26 | 东南大学 | Complementary type magnetic gear double-rotor motor |
| CN106059223B (en) * | 2016-05-25 | 2018-06-15 | 东南大学 | A kind of complementary type magnetic gear double-rotor machine |
| CN112968585A (en) * | 2021-02-05 | 2021-06-15 | 上海理工大学 | High-reduction-ratio harmonic magnetic gear reducer with torque measurement capability |
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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: 20121107 Termination date: 20140301 |