CN206226149U - A kind of permanent magnet machine rotor and magneto - Google Patents
A kind of permanent magnet machine rotor and magneto Download PDFInfo
- Publication number
- CN206226149U CN206226149U CN201621107084.XU CN201621107084U CN206226149U CN 206226149 U CN206226149 U CN 206226149U CN 201621107084 U CN201621107084 U CN 201621107084U CN 206226149 U CN206226149 U CN 206226149U
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- permanent magnet
- rotor
- magneto
- magnetic
- machine rotor
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Abstract
The utility model is related to magneto technical field, in particular discloses a kind of permanent magnet machine rotor and magneto.The permanent magnet machine rotor, outside permanent magnet is provided with the outside of rotor core, the ring-shaped yoke portion region between outside permanent magnet and rotor inner hole is located on the rotor core, it is provided with the relative inner side permanent magnet of multiple head and the tail, two adjacent different magnetic poles of the inner side permanent magnet are relative, and the inner side permanent magnet is located on rotor magnetic circuit.Inner side permanent magnet both can carry out benefit magnetic to flux loop, and magnetic line of force leakage loss is reduced again.After magneto mends magnetic, can lifting motor torque output capability, lifting motor overload capacity, and improve original structure motor because overload capacity it is not enough caused by problem of temperature rise, demagnetization problem, and the load range width of magneto is wider, runs relatively reliable.The invention also discloses a kind of magneto with above-mentioned permanent magnet machine rotor.
Description
Technical field
The utility model is related to magneto technical field, more particularly to a kind of permanent magnet machine rotor.The utility model is also
It is related to a kind of magneto with above-mentioned permanent magnet machine rotor.
Background technology
Magneto provides excitation with permanent magnet so that electric machine structure is relatively simple, reduces processing and assembly costs, carries
The reliability of motor running high；Again because without exciting current, not having excitation loss, the efficiency and power that improve motor are close
Degree, as in every field using a kind of more and more extensive motor.
Easily occurs the problem of magnetic line of force leakage in the magneto course of work, because leakage field causes the magnetic line of force not interlink
Stator and rotor and self-closing, result in magnetic loss of energy.If magnetic force is not enough, the output torque of magneto will reduction, rotating speed change
Slowly, power output reduces, and then the overload capacity of magneto is not enough, and magneto can also cause temperature rise because of overload capacity deficiency
Problem, demagnetization problem.
Therefore, the magnetic line of force leakage loss of magneto how is reduced, the torque output capability of magneto is lifted, is turned into
Those skilled in the art's technical barrier urgently to be resolved hurrily.
Utility model content
First purpose of the present utility model is to provide permanent magnet machine rotor, is leaked with the magnetic line of force for reducing magneto and damaged
Lose, lift the torque output capability of magneto.Second purpose of the present utility model is to provide a kind of with above-mentioned Permanent Magnet and Electric
The magneto of machine rotor.
In order to realize above-mentioned first purpose, the utility model provides a kind of permanent magnet machine rotor, including rotor core,
Outside permanent magnet is provided with the outside of the rotor core, is located between outside permanent magnet and rotor inner hole on the rotor core
Ring-shaped yoke portion region, is provided with the relative inner side permanent magnet of multiple head and the tail, two adjacent different magnetic poles of the inner side permanent magnet
Relatively, and the inner side permanent magnet be located at rotor magnetic circuit on.
Preferably, the inner side permanent magnet envelope is in the unit magnetic circuit of connecting stator and rotor.
Preferably, the magnetic line of force direction one that the magnetic line of force that the inner side permanent magnet is produced is produced with the outside permanent magnet
Cause.
Preferably, the rotor core is provided with multiple slotted eyes, and the inner side permanent magnet is embedded in the slotted eye.
Preferably, the slotted eye is through hole or blind hole, and the through hole or blind hole are shaped as circular, square, bar
Shape, sector or irregular shape.
Preferably, the inner side permanent magnet is rubidium iron boron body, ferrite body, aluminium nickel cobalt body or SmCo body.
The permanent magnet machine rotor that the utility model is provided, is located at outside permanent magnet and rotor inner hole on the rotor core
Between ring-shaped yoke portion region, be provided with the relative inner side permanent magnets of multiple head and the tail, two adjacent inner side permanent magnets are not
It is relative with magnetic pole, and the inner side permanent magnet is in the flux loop of motor.
When the magnetic line of force enters the yoke portion region of rotor core through stator core, the inner side permanent magnet in yoke portion region is arranged on
The magnetic potential in flux loop where it can be lifted, meanwhile, inner side permanent magnet serves the effect for attracting the magnetic line of force and constraining.
So, inner side permanent magnet both can carry out benefit magnetic to flux loop, and magnetic line of force leakage loss is reduced again.For Permanent Magnet and Electric
Machine, mend magnetic after, can lifting motor torque output capability, lifting motor overload capacity, and improve original structure motor because overload
Problem of temperature rise, demagnetization problem caused by scarce capacity, and the load range width of magneto is wider, runs relatively reliable.
To realize above-mentioned second purpose, the utility model additionally provides a kind of magneto, and the magneto includes upper
State permanent magnet machine rotor.Because above-mentioned permanent magnet machine rotor has above-mentioned technique effect, with the permanent magnet machine rotor forever
Magneto should also have corresponding technique effect.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only described in the utility model
Some embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the permanent magnet machine rotor that Fig. 1 is provided for a kind of embodiment of the utility model；
Fig. 2 is operation principle schematic diagram when permanent magnet machine rotor is in the 0 ° of anglec of rotation (original position) in Fig. 1；
Fig. 3 is operation principle schematic diagram when permanent magnet machine rotor is in 60 ° of anglecs of rotation in Fig. 1.
Wherein, in Fig. 1-Fig. 3：
Rotor core 1, outside permanent magnet 2, inner side permanent magnet 3, stator core 4.
Specific embodiment
The utility model is described below based on embodiment, but the utility model is not restricted to these implementations
Example.
Refer to Fig. 1, the structural representation of the permanent magnet machine rotor that Fig. 1 is provided for a kind of embodiment of the utility model.
As shown in figure 1, the permanent magnet machine rotor that the utility model is provided includes rotor core 1, outside the rotor core 1
Side is provided with outside permanent magnet 2, it is characterised in that the ring between outside permanent magnet 2 and rotor inner hole is located on the rotor core 1
Shape yoke portion region, is provided with the relative inner side permanent magnet 3 of multiple head and the tail, two adjacent different magnetic poles of the inner side permanent magnet 3
Relatively, and the inner side permanent magnet 3 be located at rotor magnetic circuit on.
During motor rotation, as shown in Figure 2 and Figure 3, interlinkage stator core 4, the main field of rotor core 1 are also transported towards motor
The direction for turning is rotated, and the size and Orientation in each position magnetic field is changed over time on stator core 4, but different from stator
Iron core 4, although the size in each position magnetic field has difference because of the running status of motor on rotor core 1, its directionality is single
One is constant, and this is just for the inner side permanent magnet 3 that rotor yoke region is inserted with fixed magnetic field provides possibility to supplement main field.
When the magnetic line of force enters the yoke portion region of rotor core 1 through stator core 4, the inner side permanent magnetism in yoke portion region is arranged on
Body 3 can lift the magnetic potential in flux loop where it, meanwhile, inner side permanent magnet 3 serves what is the magnetic line of force attracted and is constrained
Effect.So, inner side permanent magnet 3 both can carry out benefit magnetic to flux loop, and magnetic line of force leakage loss is reduced again.For forever
Magneto, mend magnetic after, can lifting motor torque output capability, lifting motor overload capacity, and improve original structure motor because
Problem of temperature rise, demagnetization problem caused by overload capacity is not enough, and the load range width of magneto is wider, and operation more may be used
Lean on.
In preferred scheme, the envelope of inner side permanent magnet 3 is in the unit magnetic circuit of connecting stator and rotor.The magnetic line of force from
The N poles of an outside permanent magnet 2 on rotor core 1 are set out, and through stator core 4, pass back through adjacent outside permanent magnet 2
S poles return to above-mentioned outside permanent magnetism N poles loop, referred to as element loop.The envelope of inner side permanent magnet 3 is described
In element loop, the magnetic line of force can be subject to the traction of inner side permanent magnet 3 to absorb after passing through the inner side permanent magnet 3 in element loop, magnetic
The line of force is tightly accommodated in inside the permanent magnet 3 of inner side, and inner side permanent magnet 3 can be constrained and compensated to the magnetic line of force in element loop,
Reduce leakage field loss.
In more excellent scheme, the magnetic line of force that the magnetic line of force that the inner side permanent magnet 3 is produced is produced with the outside permanent magnet 2
Direction is consistent.Inner side permanent magnet 3 preferably inner side permanent magnet 3 can be constrained and compensated to the magnetic line of force in element loop.
In specific scheme, the rotor core 1 is provided with multiple slotted eyes, and the slotted eye is through hole, and the inner side is forever
Magnet 3 is embedded in the through hole.
The scheme that the utility model is provided, inner side permanent magnet 3 is not limited to a kind of above-mentioned mode installed in rotor core 1
On, the slotted eye on the rotor core 1 can also be blind hole, and the inner side permanent magnet 3 is embedded in the blind hole.
In specific scheme, in scheme provided by the utility model, the inner side permanent magnet 3 can use rubidium iron boron
The permanent magnets such as body, ferrite body, aluminium nickel cobalt body or SmCo body, all should be in protection domain of the present utility model.
The utility model additionally provides a kind of magneto, and the magneto includes above-mentioned permanent magnet machine rotor.Due to upper
The permanent magnet machine rotor stated has above-mentioned technique effect, and the magneto with the permanent magnet machine rotor should also have corresponding skill
Art effect.
In a kind of specific scheme, the magneto that the utility model is provided can be processed by the following method.
First, the stator core of magneto, rotor core laminate shaping, the yoke portion of rotor core by high velocity ram machine punching
Also punching is completed the slotted eye in region in the lump；Stator core is transferred to stator making, and stator core squeezes into slot insulation, two ends insertion insulation
Skeleton is fixed；Then the machine coil winding machine gradually coiling on magnetic pole of the stator, coil by electrical contact power supply terminal, tied up
Knot is fixed, or stator making is completed after dipping lacquer；Rotor core by Low Temperature Heat Treatment cooling after, respectively insertion outside permanent magnet and
Inner side permanent magnet, and note magnetic pole sequentially；It is locked by magnet steel end plate, rotor completes.Similarly, stator turns
Sub- trap constitutes contactless magneto, after stator side accesses power supply through frequency-variable controller, by the control of signal, stator
The magnetic line of force of interlinkage rotor is set up in inside, pulls rotor to be rotated.
At this moment, the magnetic line of force is motion relative to stator, is static relative to rotor, and the inner side in rotor yoke region is forever
Magnet serves magnetic line of force constraint and mends the effect of magnetic, can show compared to without the magneto for mending magnetic structure, stronger
Overload capacity：Under equal overload situations, undercapacity occur without the magneto for mending magnetic structure causes heating, temperature rise to be disliked
Change, or even during demagnetization, have the magneto load range width for mending magnetic structure wider, run relatively reliable.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this area
For technical staff, the utility model can have various changes and change.All institutes within spirit of the present utility model and principle
Any modification, equivalent substitution and improvements of work etc., should be included within protection domain of the present utility model.
Claims (7)
1. a kind of permanent magnet machine rotor, including rotor core (1), is provided with outside permanent magnet on the outside of the rotor core (1)
(2), it is characterised in that ring-shaped yoke portion area of the outside permanent magnet (2) and rotor inner hole between is located on the rotor core (1)
Domain, is provided with the relative inner side permanent magnet (3) of multiple head and the tail, and two adjacent different magnetic poles of the inner side permanent magnet (3) are relative,
And the inner side permanent magnet (3) is on rotor magnetic circuit.
2. permanent magnet machine rotor according to claim 1, it is characterised in that inner side permanent magnet (3) envelope is in connection
In the unit magnetic circuit of stator and rotor.
3. permanent magnet machine rotor according to claim 2, it is characterised in that the magnetic force that the inner side permanent magnet (3) produces
Line is consistent with the magnetic line of force direction that the outside permanent magnet (2) produces.
4. the permanent magnet machine rotor according to claim any one of 1-3, it is characterised in that set on the rotor core (1)
There are multiple slotted eyes, in inner side permanent magnet (3) insertion slotted eye.
5. permanent magnet machine rotor according to claim 4, it is characterised in that the slotted eye is through hole or blind hole, institute
State through hole or blind hole is shaped as circular, square, bar shaped, sector or irregular shape.
6. permanent magnet machine rotor according to claim 1, it is characterised in that the inner side permanent magnet (3) is rubidium iron boron body,
Ferrite body, aluminium nickel cobalt body or SmCo body.
7. a kind of magneto, it is characterised in that including the permanent magnet machine rotor described in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621107084.XU CN206226149U (en) | 2016-10-09 | 2016-10-09 | A kind of permanent magnet machine rotor and magneto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621107084.XU CN206226149U (en) | 2016-10-09 | 2016-10-09 | A kind of permanent magnet machine rotor and magneto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206226149U true CN206226149U (en) | 2017-06-06 |
Family
ID=58782951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621107084.XU Active CN206226149U (en) | 2016-10-09 | 2016-10-09 | A kind of permanent magnet machine rotor and magneto |
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| Country | Link |
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| CN (1) | CN206226149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571704A (en) * | 2016-10-09 | 2017-04-19 | 武汉凌达压缩机有限公司 | Permanent magnet motor rotor and permanent magnet motor |
-
2016
- 2016-10-09 CN CN201621107084.XU patent/CN206226149U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571704A (en) * | 2016-10-09 | 2017-04-19 | 武汉凌达压缩机有限公司 | Permanent magnet motor rotor and permanent magnet motor |
| CN106571704B (en) * | 2016-10-09 | 2024-04-09 | 武汉凌达压缩机有限公司 | Permanent magnet motor rotor and permanent magnet motor |
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