CN106451828A - A permanent magnet motor, a rotor and a permanent magnet thereof - Google Patents
A permanent magnet motor, a rotor and a permanent magnet thereof Download PDFInfo
- Publication number
- CN106451828A CN106451828A CN201610951134.0A CN201610951134A CN106451828A CN 106451828 A CN106451828 A CN 106451828A CN 201610951134 A CN201610951134 A CN 201610951134A CN 106451828 A CN106451828 A CN 106451828A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- segments
- rotor
- magnetoes
- magnet segments
- 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.)
- Granted
Links
- 230000004323 axial length Effects 0.000 claims description 28
- 230000005347 demagnetization Effects 0.000 abstract description 18
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a permanent magnet motor, a rotor and a permanent magnet thereof. The anti-demagnetization capability of the intermediate portion of the permanent magnet is higher than that of the both ends of the permanent magnet. According to the permanent magnet provided by the invention, since the anti-demagnetization capability of the intermediate portion of the permanent magnet is higher than that of the both ends of the permanent magnet, by making the anti-demagnetization capability of the intermediate portion of the permanent magnet higher than the anti-demagnetization capability of the two ends of the permanent magnet, the demagnetization of various parts of the permanent magnet is more uniform, thereby reducing the occurrence of partial demagnetization of the permanent magnet, raising the overall anti-demagnetization capability of a permanent magnet motor, and further improving the usage life of the permanent magnet motor.
Description
Technical field
The present invention relates to motor device technical field, particularly to a kind of magneto, rotor and its permanent magnet.
Background technology
At present, magneto has the advantages that high efficiency, high power density, is widely used.
But, the rotor of magneto has permanent magnet, in the environment of life-time service or bad working environments, by stator
The opposing magnetic field that winding is applied, permanent magnet easily demagnetizes, once permanent magnet occurs irreversible demagnetization, magneto will
Cannot operate, have a strong impact on its service life.
Therefore, how to improve the service life of magneto, be those skilled in the art's problem demanding prompt solution.
Content of the invention
In view of this, the invention provides a kind of permanent magnet, to improve the service life of magneto.The present invention also provides
A kind of rotor with above-mentioned permanent magnet and magneto.
For achieving the above object, the present invention provides following technical scheme：
A kind of permanent magnet, the anti-demagnetization capability of the mid portion of described permanent magnet is higher than the anti-of described permanent magnet two end portions
Demagnetization capability.
Preferably, in above-mentioned permanent magnet, the thickness of the mid portion of described permanent magnet is more than described permanent magnet two end portions
Thickness.
Preferably, in above-mentioned permanent magnet, described permanent magnet be multistage hierarchic structure permanent magnet, it include middle permanent magnet segments and
It is arranged at the end permanent magnet segments at described middle permanent magnet segments two ends.
Preferably, in above-mentioned permanent magnet, D1 >=1.1D；
Wherein, D1 is the thickness of described middle permanent magnet segments, and D is described first end permanent magnet segments and described the second end permanent magnetism
The thickness of section.
Preferably, in above-mentioned permanent magnet, 1.8D >=D1 >=1.3D.
Preferably, in above-mentioned permanent magnet, described permanent magnet is three sections of hierarchic structure permanent magnets.
Preferably, in above-mentioned permanent magnet, described permanent magnet is five sections of hierarchic structure permanent magnets.
Preferably, in above-mentioned permanent magnet, the coercivity of the mid portion of described permanent magnet is more than described permanent magnet both ends
The coercivity dividing.
Preferably, in above-mentioned permanent magnet, 0.6L >=L1 >=0.2L；
Wherein, L is the axial overall length of described permanent magnet, and L1 is the axial length of described middle permanent magnet segments.
Preferably, in above-mentioned permanent magnet, 0.55L >=L1 >=0.4L.
Present invention also offers a kind of rotor, including rotor core and permanent magnet, described permanent magnet is as any of the above-described
Described permanent magnet.
Present invention also offers a kind of magneto, including rotor and stator, described rotor is rotor as above.
Preferably, in above-mentioned magneto, the axial length phase of the axial length of described rotor core and described permanent magnet
Deng and described rotor core axially align with described permanent magnet.
Preferably, in above-mentioned magneto, L=S；
Wherein, L is the axial overall length of described rotor, and S is the axial length of described stator.
Preferably, in above-mentioned magneto, L ＞ S；
Wherein, L is the axial overall length of described rotor, and S is the axial length of described stator.
Preferably, in above-mentioned magneto, the equal length of described stator is stretched out at the two ends of described rotor.
Preferably, in above-mentioned magneto, described permanent magnet is multistage hierarchic structure permanent magnet, and it includes middle permanent magnet segments
And it is arranged at the end permanent magnet segments at described middle permanent magnet segments two ends；
[0.6S+0.5*(L-S)]≥L1≥[0.2*S+0.5*(L-S)]；
Wherein, L1 is the axial length of described middle permanent magnet segments.
Preferably, in above-mentioned magneto, [0.55S+0.5* (L-S)] >=L1 >=[0.4*S+0.5* (L-S)].
Preferably, in above-mentioned magneto, the length that described stator is stretched out at the two ends of described rotor is unequal.
Preferably, in above-mentioned magneto, described permanent magnet is multistage hierarchic structure permanent magnet, and it includes middle permanent magnet segments
And it is arranged at the end permanent magnet segments at described middle permanent magnet segments two ends；
(0.6S+L2)≥L1≥(0.2*S+L2)；
Wherein, L1 is the axial length of described middle permanent magnet segments, and L2 is the minimum that described rotor tip stretches out described stator
Length.
Preferably, in above-mentioned magneto, (0.55S+L2) >=L1 >=(0.4*S+L2).
It can be seen from above-mentioned technical scheme that, the permanent magnet that the present invention provides, due to the moving back of middle part of permanent magnet
Magnetic degree be more than permanent magnet two end portions, by make permanent magnet mid portion anti-demagnetization capability be higher than permanent magnet both ends
Point anti-demagnetization capability so that the demagnetization of permanent magnet each several part evenly, and then decreases the situation of permanent magnet local demagnetization and sends out
Raw, improve the anti-demagnetization capability of entirety of magneto, and then improve the service life of magneto.
Present invention also offers a kind of rotor with above-mentioned permanent magnet and magneto.On being had due to above-mentioned permanent magnet
State technique effect, there is the rotor of above-mentioned permanent magnet and magneto also should have same technique effect, here is no longer one by one
Tire out and state.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the close variation diagram of permanent magnet surfaces longitudinal center line magnetic under different externally-applied magnetic fields；
Fig. 2 is the structural representation of rotor provided in an embodiment of the present invention；
Fig. 3 is the structural representation of the first rotor provided in an embodiment of the present invention；
Fig. 4 is first combination diagram of the first rotor provided in an embodiment of the present invention and stator；
Fig. 5 is second combination diagram of the first rotor provided in an embodiment of the present invention and stator；
Fig. 6 is the 3rd combination diagram of the first rotor provided in an embodiment of the present invention and stator；
Fig. 7 is the structural representation of second rotor provided in an embodiment of the present invention；
Fig. 8 is another kind of structural representation of the first rotor provided in an embodiment of the present invention；
Fig. 9 is the graph of a relation of permanent magnet thickness ratio provided in an embodiment of the present invention and demagnetization current.
Specific embodiment
The invention discloses a kind of permanent magnet, to improve the service life of magneto.Present invention also offers a kind of tool
There are rotor and the magneto of above-mentioned permanent magnet.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The invention provides a kind of permanent magnet, the anti-demagnetization capability of the mid portion of permanent magnet is higher than permanent magnet two end portions
Anti- demagnetization capability.
Research finds, when bearing outside opposing magnetic field, the magnetic at the axial each position of permanent magnet is close and uneven for permanent magnet,
There is larger local demagnetization situation.Always see along armature spindle, the demagnetization degree of the middle part of permanent magnet is substantially greater than forever
Under the two end portions of magnet, and different demagnetization current, the degree of the close skewness of permanent magnet magnetic also differs, as shown in Figure 1.
Permanent magnet provided in an embodiment of the present invention, the demagnetization degree due to the middle part of permanent magnet is more than the two of permanent magnet
End part, by make permanent magnet mid portion anti-demagnetization capability be higher than permanent magnet two end portions anti-demagnetization capability so that
The demagnetization of permanent magnet each several part evenly, and then decrease permanent magnet local demagnetization situation occur, improve magneto
Overall anti-demagnetization capability, and then improve the service life of magneto.
In the first embodiment, the thickness of the mid portion of permanent magnet is more than the thickness of permanent magnet two end portions.Pass through
The thickness of mid portion making permanent magnet, more than the thickness of permanent magnet two end portions, can effectively improve the mid portion of permanent magnet
Anti- demagnetization capability so that the mid portion of magnet anti-demagnetization capability be higher than permanent magnet two end portions anti-demagnetization capability.Can
To be understood by, in this embodiment, the coercivity of permanent magnet can be the same or different.Preferably, the centre of permanent magnet
Partial coercivity is more than or equal to the coercivity of the two end portions of permanent magnet.
As shown in figures 3 to 6, permanent magnet is multistage hierarchic structure permanent magnet, during it includes middle permanent magnet segments 11 and is arranged at
Between permanent magnet segments 11 two ends end permanent magnet segments；The thickness of multistage hierarchic structure permanent magnet is successively decreased from middle permanent magnet segments 11 to two ends.
By above-mentioned setting so that the stepped structure of permanent magnet surfaces, in order to control multistage hierarchic structure permanent magnet every section forever
The thickness of magnetic section.Permanent magnet can also be made to be to seamlessly transit structure, e.g., permanent magnet is set to the structures such as rhombus or ellipse.
In order to preferably lift the anti-demagnetization capability of middle permanent magnet segments 11, D1 >=1.1D；Wherein, D1 is middle permanent magnet segments 11
Thickness, D is the thickness of first end permanent magnet segments 12 and the second end permanent magnet segments 13.That is, first end permanent magnet segments 12 and second
The thickness of end permanent magnet segments 13 is identical, and, the thickness of middle permanent magnet segments 11 is more than or equal to 1.1 times of first end permanent magnet segments
12 with the thickness of the second end permanent magnet segments 13.
As shown in figure 9, with the increase of middle permanent magnet segments 11 thickness, the cost of permanent magnet also can substantially increase.Therefore, exist
It is preferable that 1.8D >=D1 >=1.3D in the case of considering the lifting of the anti-demagnetization capability of middle permanent magnet segments 11 and production cost.
As shown in figure 3, permanent magnet is three sections of hierarchic structure permanent magnets.That is, it includes middle permanent magnet segments 11, first end forever
Magnetic section 12 and the second end permanent magnet segments 13.First end permanent magnet segments 12 are connected with one end of middle permanent magnet segments 11, and the second end is forever
Magnetic section 13 is connected with the other end of middle permanent magnet segments 11.Wherein, the thickness of middle permanent magnet segments 11 is more than first end permanent magnet segments 12
And the thickness of the second end permanent magnet segments 13.
As shown in figure 8, in order to make permanent magnet demagnetization more uniform further, permanent magnet is five sections of hierarchic structure permanent magnets.
That is, it includes middle permanent magnet segments 11, first end permanent magnet segments 12, the second end permanent magnet segments 13, the 3rd end permanent magnet segments 14 and
Four end permanent magnet segments 15.First end permanent magnet segments 12 and the second end permanent magnet segments 13 are located at the two ends of middle permanent magnet segments 11, and the 3rd
End permanent magnet segments 14 are connected away from one end of middle permanent magnet segments 11 with first end permanent magnet segments 12, the thickness of first end permanent magnet segments 12
Degree is more than the thickness of the 3rd end permanent magnet segments 14；4th end permanent magnet segments 15 are with the second end permanent magnet segments 13 away from middle permanent magnet segments
11 one end connects, and the thickness of the second end permanent magnet segments 13 is more than the thickness of the 4th end permanent magnet segments 15.
Permanent magnet can also be set to seven sections of hierarchic structure permanent magnets or nine sections of hierarchic structure permanent magnets.Certainly, also may be used
So that permanent magnet is set to even number section hierarchic structure permanent magnet, here is no longer tired one by one to be stated and all within protection domain.
As shown in fig. 7, in second embodiment, the coercivity of the mid portion of permanent magnet is more than permanent magnet two end portions
Coercivity.It is more than the coercivity of permanent magnet two end portions by making the coercivity of the mid portion of permanent magnet, can effectively carry
The anti-demagnetization capability of the mid portion of high permanent magnet is so that the anti-demagnetization capability of the mid portion of magnet is higher than permanent magnet both ends
The anti-demagnetization capability dividing.It is understood that in this embodiment, the thickness of permanent magnet can be the same or different.Preferably
Ground, the thickness of the mid portion of permanent magnet is more than or equal to the thickness of the two end portions of permanent magnet.As shown in fig. 7, the present embodiment
In, for the ease of processing, the thickness of the mid portion of permanent magnet is equal to the thickness of the two end portions of permanent magnet
In order to lift the uniformity of the anti-demagnetization of permanent magnet, 0.6L >=L1 >=0.2L；Wherein, L is the axial overall length of permanent magnet,
L1 is the axial length of middle permanent magnet segments 11.Wherein, after axial length is correctly installed in rotor core 2 for permanent magnet, permanent magnetism
Body is along the axial length of rotor core 2.
Further, 0.55L >=L1 >=0.4L.
The embodiment of the present invention additionally provides a kind of rotor, and including rotor core 2 and permanent magnet 1, permanent magnet 1 is such as above-mentioned
A kind of permanent magnet.Because above-mentioned permanent magnet has above-mentioned technique effect, have above-mentioned permanent magnet rotor also should have same
Technique effect, here is no longer tired one by one to be stated.
Preferably, in the present embodiment, permanent magnet 1 dorsad the center of rotor core 2 one side be plane.
The embodiment of the present invention additionally provides a kind of magneto, and including rotor and stator 3, rotor is as above turning
Son.Because above-mentioned rotor has above-mentioned technique effect, the magneto with above-mentioned rotor also should have same technique effect,
Here is no longer discussed in detail.
The axial length of rotor core 2 is equal with the axial length of permanent magnet 1 and rotor core 2 is axially right with permanent magnet 1
Together, and then ensure that the fiting effect of rotor and stator 3.It is the problem of process requirements for assembling, the axial direction of rotor core 2 is long
Degree is of substantially equal with the axial length of permanent magnet 1, and the axial length of rotor core 2 is slightly larger than the axial length of permanent magnet 1, the two
The difference of axial length is about 2mm.
As shown in figure 4, for the ease of processing, L=S；Wherein, L is the axial overall length of rotor, and S is that the axial direction of stator 3 is long
Degree.
In order to motor produces bigger output torque, L ＞ S under identical winding current；Wherein, L is the axial overall length of rotor,
S is the axial length of stator 3.Wherein, the axial length of permanent magnet 1 is also L.
By above-mentioned setting so that stator 3 is stretched out at the two ends of rotor, this can make permanent magnet difference portion in the axial direction
The anti-demagnetization uniformity of position reduces.Therefore, as shown in figure 5, preferably making the two ends of rotor stretch out the equal length of stator 3, so that
In the anti-demagnetization uniformity improving permanent magnet different parts in the axial direction.
Further, permanent magnet is multistage hierarchic structure permanent magnet, and it includes middle permanent magnet segments 11 and is arranged at centre forever
The end permanent magnet segments at magnetic section 11 two ends；[0.6S+0.5*(L-S)]≥L1≥[0.2*S+0.5*(L-S)]；Wherein, L1 is centre
The axial length of permanent magnet segments 11.By above-mentioned setting, the anti-of different parts moves back in the axial direction to further increase permanent magnet
Magnetic uniformity, on the premise of considering processing cost, effectively alleviates the demagnetization of middle permanent magnet segments 11.
The axial length of the middle permanent magnet segments of table 1 and the numerical value of demagnetization current
Further, [0.55S+0.5* (L-S)] >=L1 >=[0.4*S+0.5* (L-S)].
As shown in Figure 6 it is also possible to make rotor two ends stretch out stator 3 length unequal.
Permanent magnet is multistage hierarchic structure permanent magnet, and it includes middle permanent magnet segments 11 and is arranged at middle permanent magnet segments 11 two ends
End permanent magnet segments.In order to lift the uniformity of the anti-demagnetization of permanent magnet, (0.6S+L2) >=L1 >=(0.2*S+L2)；Wherein, L1 is
The axial length of middle permanent magnet segments 11, L2 stretches out the minimum length of stator 3 for rotor tip.That is, stator 3 is stretched out in one end of rotor
Shorter, it is longer that the other end of rotor stretches out stator 3.L2 stretches out, for rotor, the length that stator 3 is stretched out in the shorter one end of stator 3.
Further, (0.55S+L2) >=L1 >=(0.4*S+L2).
It is understood that the rotor structure in Fig. 3-Fig. 8 all can be understood as Fig. 2 along the sectional view in B-B face.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (21)
1. a kind of permanent magnet is it is characterised in that the anti-demagnetization capability of the mid portion of described permanent magnet is higher than described permanent magnet two
The anti-demagnetization capability of end part.
2. permanent magnet as claimed in claim 1 it is characterised in that the mid portion of described permanent magnet thickness be more than described forever
The thickness of magnet two end portions.
3. it is characterised in that described permanent magnet is multistage hierarchic structure permanent magnet, it wraps permanent magnet as claimed in claim 2
The end permanent magnet segments including middle permanent magnet segments (11) and being arranged at described middle permanent magnet segments (11) two ends.
4. permanent magnet as claimed in claim 3 is it is characterised in that D1 >=1.1D；
Wherein, D1 is the thickness of described middle permanent magnet segments (11), and D is described first end permanent magnet segments (12) and described the second end
The thickness of permanent magnet segments (13).
5. permanent magnet as claimed in claim 4 is it is characterised in that 1.8D >=D1 >=1.3D.
6. permanent magnet as claimed in claim 3 is it is characterised in that described permanent magnet is three sections of hierarchic structure permanent magnets.
7. permanent magnet as claimed in claim 3 is it is characterised in that described permanent magnet is five sections of hierarchic structure permanent magnets.
8. permanent magnet as claimed in claim 1 is it is characterised in that the coercivity of the mid portion of described permanent magnet is more than described
The coercivity of permanent magnet two end portions.
9. the permanent magnet as described in any one of claim 3-8 is it is characterised in that 0.6L >=L1 >=0.2L；
Wherein, L is the axial overall length of described permanent magnet, and L1 is the axial length of described middle permanent magnet segments (11).
10. permanent magnet as claimed in claim 9 is it is characterised in that 0.55L >=L1 >=0.4L.
A kind of 11. rotors, including rotor core (2) and permanent magnet (1) it is characterised in that described permanent magnet (1) is that right such as will
Seek the permanent magnet described in any one of 1-10.
A kind of 12. magnetoes, including rotor and stator (3) it is characterised in that described rotor is as claimed in claim 11
Rotor.
13. magnetoes as claimed in claim 12 it is characterised in that the axial length of described rotor core (2) with described
The axial length of permanent magnet (1) is equal and described rotor core (2) is axially aligned with described permanent magnet (1).
14. magnetoes as claimed in claim 13 are it is characterised in that L=S；
Wherein, L is the axial overall length of described rotor, and S is the axial length of described stator (3).
15. magnetoes as claimed in claim 13 are it is characterised in that L ＞ S；
Wherein, L is the axial overall length of described rotor, and S is the axial length of described stator (3).
16. magnetoes as claimed in claim 15 are it is characterised in that described stator (3) is stretched out at the two ends of described rotor
Equal length.
17. magnetoes as claimed in claim 16 it is characterised in that described permanent magnet be multistage hierarchic structure permanent magnet,
Its end permanent magnet segments including middle permanent magnet segments (11) and being arranged at described middle permanent magnet segments (11) two ends；
[0.6S+0.5*(L-S)]≥L1≥[0.2*S+0.5*(L-S)]；
Wherein, L1 is the axial length of described middle permanent magnet segments (11).
18. magnetoes as claimed in claim 17 are it is characterised in that [0.55S+0.5* (L-S)] >=L1 >=[0.4*S+
0.5*(L-S)].
19. magnetoes as claimed in claim 15 are it is characterised in that described stator (3) is stretched out at the two ends of described rotor
Length is unequal.
20. magnetoes as claimed in claim 19 it is characterised in that described permanent magnet be multistage hierarchic structure permanent magnet,
Its end permanent magnet segments including middle permanent magnet segments (11) and being arranged at described middle permanent magnet segments (11) two ends；
(0.6S+L2)≥L1≥(0.2*S+L2)；
Wherein, L1 is the axial length of described middle permanent magnet segments (11), and L2 stretches out described stator (3) for described rotor tip
Little length.
21. magnetoes as claimed in claim 20 are it is characterised in that (0.55S+L2) >=L1 >=(0.4*S+L2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951134.0A CN106451828B (en) | 2016-10-26 | 2016-10-26 | Magneto, rotor and its permanent magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951134.0A CN106451828B (en) | 2016-10-26 | 2016-10-26 | Magneto, rotor and its permanent magnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106451828A true CN106451828A (en) | 2017-02-22 |
| CN106451828B CN106451828B (en) | 2019-08-23 |
Family
ID=58179186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610951134.0A Active CN106451828B (en) | 2016-10-26 | 2016-10-26 | Magneto, rotor and its permanent magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451828B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111373633A (en) * | 2017-11-16 | 2020-07-03 | Lg伊诺特有限公司 | Electric machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005354899A (en) * | 2005-09-09 | 2005-12-22 | Mitsubishi Electric Corp | Permanent magnet type motor |
| JP2009038930A (en) * | 2007-08-03 | 2009-02-19 | Daikin Ind Ltd | Rotor and embedded magnet type motor |
| CN103166346A (en) * | 2011-12-19 | 2013-06-19 | 上海日立电器有限公司 | Magnetic steel group for IPM type permanent magnet motor rotor of hermetic compressor |
| CN203219034U (en) * | 2012-04-06 | 2013-09-25 | 三菱电机株式会社 | Rotor and synchronous motor |
| EP2843805A1 (en) * | 2013-09-03 | 2015-03-04 | Aisin Seiki Kabushiki Kaisha | Electric motor |
| CN205610359U (en) * | 2016-04-15 | 2016-09-28 | 安吉县宏铭磁性器材有限公司 | A ferrite bead for motor |
| CN206389185U (en) * | 2016-10-26 | 2017-08-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Magneto, rotor and its permanent magnet |
-
2016
- 2016-10-26 CN CN201610951134.0A patent/CN106451828B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005354899A (en) * | 2005-09-09 | 2005-12-22 | Mitsubishi Electric Corp | Permanent magnet type motor |
| JP2009038930A (en) * | 2007-08-03 | 2009-02-19 | Daikin Ind Ltd | Rotor and embedded magnet type motor |
| CN103166346A (en) * | 2011-12-19 | 2013-06-19 | 上海日立电器有限公司 | Magnetic steel group for IPM type permanent magnet motor rotor of hermetic compressor |
| CN203219034U (en) * | 2012-04-06 | 2013-09-25 | 三菱电机株式会社 | Rotor and synchronous motor |
| EP2843805A1 (en) * | 2013-09-03 | 2015-03-04 | Aisin Seiki Kabushiki Kaisha | Electric motor |
| CN205610359U (en) * | 2016-04-15 | 2016-09-28 | 安吉县宏铭磁性器材有限公司 | A ferrite bead for motor |
| CN206389185U (en) * | 2016-10-26 | 2017-08-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Magneto, rotor and its permanent magnet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111373633A (en) * | 2017-11-16 | 2020-07-03 | Lg伊诺特有限公司 | Electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106451828B (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101501967B (en) | Permanent magnet type rotary electric device rotor | |
| CN102545436B (en) | Magnetic pole structure of permanent magnet synchronous direct-driven motor and design method thereof | |
| JP6114031B2 (en) | Three-phase motor with low detent torque | |
| CN108566006A (en) | Rotor structure, permanent magnetism assist in synchronization reluctance motor and electric vehicle | |
| CN202142926U (en) | Motor rotor and motor with same | |
| CN105449968A (en) | Composite magnetic pole type surface-mounted permanent magnet synchronous motor | |
| CN102761183A (en) | Motor rotor and motor with motor rotor | |
| CN108336845A (en) | Rotor structure, permanent magnetism assist in synchronization reluctance motor and electric vehicle | |
| CN204442139U (en) | Permanent magnet type synchronous reluctance motor and compressor | |
| CN206077099U (en) | Motor and its rotor structure | |
| CN104659940A (en) | Rotor of rotating motor | |
| CN203674829U (en) | Permanent-magnet motor rotor | |
| CN107124053B (en) | A kind of Consequent pole permanent magnet motor rotor using hybrid permanent-magnet | |
| CN103915921B (en) | Magneto | |
| CN108321955A (en) | Rotor structure, permanent magnetism assist in synchronization reluctance motor and electric vehicle | |
| CN107516953A (en) | A kind of mixed type permanent-magnet pole rotor | |
| CN204465184U (en) | A kind of rotary motor rotor | |
| CN104682653A (en) | Permanent magnet synchronous reluctance motor and compressor | |
| CN202068244U (en) | Ferrite three-segment three-phase permanent magnet motor | |
| CN102064619B (en) | Series motor, series motor stator structure and series motor stator chip structure | |
| CN106451828A (en) | A permanent magnet motor, a rotor and a permanent magnet thereof | |
| CN206389185U (en) | Magneto, rotor and its permanent magnet | |
| CN103501067B (en) | The rotor of motor | |
| CN105429409B (en) | Composite poles formula axial flux permanent magnet synchronous motor | |
| CN107086686B (en) | A kind of built-in permanent magnet motor rotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190815 Address after: 519000 Guangdong city of Zhuhai Province Qianshan Co-patentee after: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI Patentee after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Address before: 519070 Science and Technology Building, 789 Jinji Road, Qianshan, Zhuhai City, Guangdong Province Patentee before: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI |