CN106451828B - Magneto, rotor and its permanent magnet - Google Patents
Magneto, rotor and its permanent magnet Download PDFInfo
- Publication number
- CN106451828B CN106451828B CN201610951134.0A CN201610951134A CN106451828B CN 106451828 B CN106451828 B CN 106451828B CN 201610951134 A CN201610951134 A CN 201610951134A CN 106451828 B CN106451828 B CN 106451828B
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- magneto
- rotor
- segments
- 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.)
- Active
Links
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 kind of magneto, rotor and its permanent magnet, the anti-demagnetization capability of the middle section of permanent magnet is higher than the anti-demagnetization capability of permanent magnet both ends part.Permanent magnet provided by the invention, since the demagnetization degree at the intermediate position of permanent magnet is greater than the both ends part of permanent magnet, by making the anti-demagnetization capability of the middle section of permanent magnet be higher than the anti-demagnetization capability of permanent magnet both ends part, so that the demagnetization of permanent magnet each section is more evenly, and then the case where reducing permanent magnet local demagnetization generation, the anti-demagnetization capability of entirety of magneto is improved, and then improves the service life of magneto.
Description
Technical field
The present invention relates to motor device technical field, in particular to a kind of magneto, rotor and its permanent magnet.
Background technique
Currently, magneto has many advantages, such as high efficiency, high power density, it is widely used.
But there is permanent magnet on the rotor of magneto, in the environment of long-time service or bad working environments, by stator
The opposing magnetic field that winding is applied, permanent magnet easily demagnetize, once irreversible demagnetization occurs for permanent magnet, magneto will
It can not operate, seriously affect its service life.
Therefore, the service life for how improving magneto is those skilled in the art's urgent problem to be solved.
Summary of the invention
In view of this, the present invention provides a kind of permanent magnet, to improve the service life of magneto.The present invention also provides
A kind of rotor and magneto with above-mentioned permanent magnet.
To achieve the above object, the invention provides the following technical scheme:
A kind of permanent magnet, the anti-demagnetization capability of the middle section of the permanent magnet are higher than the anti-of permanent magnet both ends part
Demagnetization capability.
Preferably, in above-mentioned permanent magnet, the thickness of the middle section of the permanent magnet is greater than permanent magnet both ends part
Thickness.
Preferably, in above-mentioned permanent magnet, the permanent magnet be multistage hierarchic structure permanent magnet comprising intermediate permanent magnet segments and
It is set to the end permanent magnet segments at the intermediate permanent magnet segments both ends.
Preferably, in above-mentioned permanent magnet, D1 >=1.1D；
Wherein, D1 is the thickness of the intermediate permanent magnet segments, and D is the first end permanent magnet segments and 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, the permanent magnet is three sections of hierarchic structure permanent magnets.
Preferably, in above-mentioned permanent magnet, the permanent magnet is five sections of hierarchic structure permanent magnets.
Preferably, in above-mentioned permanent magnet, the coercivity of the middle section of the permanent magnet is greater than the permanent magnet both ends
The coercivity divided.
Preferably, in above-mentioned permanent magnet, 0.6L >=L1 >=0.2L；
Wherein, L is the axial overall length of the permanent magnet, and L1 is the axial length of the intermediate permanent magnet segments.
Preferably, in above-mentioned permanent magnet, 0.55L >=L1 >=0.4L.
The present invention also provides a kind of rotor, including rotor core and permanent magnet, the permanent magnet is such as any of the above-described
The permanent magnet.
The present invention also provides a kind of magneto, including rotor and stator, the rotor is rotor as described above.
Preferably, in above-mentioned magneto, the axial length phase of the axial length of the rotor core and the permanent magnet
Deng and the rotor core axially align with the permanent magnet.
Preferably, in above-mentioned magneto, L=S；
Wherein, L is the axial overall length of the rotor, and S is the axial length of the stator.
Preferably, in above-mentioned magneto, L > S；
Wherein, L is the axial overall length of the rotor, and S is the axial length of the stator.
Preferably, in above-mentioned magneto, the equal length of the stator is stretched out at the both ends of the rotor.
Preferably, in above-mentioned magneto, the permanent magnet is multistage hierarchic structure permanent magnet comprising intermediate permanent magnet segments
And it is set to the end permanent magnet segments at the intermediate permanent magnet segments both ends；
[0.6S+0.5*(L-S)]≥L1≥[0.2*S+0.5*(L-S)]；
Wherein, L1 is the axial length of the intermediate 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 the stator is stretched out at the both ends of the rotor is unequal.
Preferably, in above-mentioned magneto, the permanent magnet is multistage hierarchic structure permanent magnet comprising intermediate permanent magnet segments
And it is set to the end permanent magnet segments at the intermediate permanent magnet segments both ends；
(0.6S+L2)≥L1≥(0.2*S+L2)；
Wherein, L1 is the axial length of the intermediate permanent magnet segments, and L2 is the minimum that the rotor tip stretches out the stator
Length.
Preferably, in above-mentioned magneto, (0.55S+L2) >=L1 >=(0.4*S+L2).
It can be seen from the above technical scheme that permanent magnet provided by the invention, since the intermediate position of permanent magnet is moved back
Magnetic degree is greater than the both ends part of permanent magnet, by making the anti-demagnetization capability of middle section of permanent magnet be higher than permanent magnet both ends
Point anti-demagnetization capability so that the demagnetization of permanent magnet each section is more evenly, and then hair the case where reduce permanent magnet local demagnetization
It is raw, the anti-demagnetization capability of entirety of magneto is improved, and then improve the service life of magneto.
The present invention also provides a kind of rotor and magneto with above-mentioned permanent magnet.Since above-mentioned permanent magnet is with upper
Technical effect is stated, rotor and magneto with above-mentioned permanent magnet should also have same technical effect, herein no longer one by one
It is tired to state.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is permanent magnet surfaces longitudinal center line flux density variation diagram under different externally-applied magnetic fields；
Fig. 2 is the structural schematic diagram of rotor provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram 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 third combination diagram of the first rotor provided in an embodiment of the present invention and stator；
Fig. 7 is the structural schematic diagram of second of rotor provided in an embodiment of the present invention；
Fig. 8 is another structural schematic diagram of the first rotor provided in an embodiment of the present invention；
Fig. 9 is the relational graph of permanent magnet thickness ratio and demagnetization current provided in an embodiment of the present invention.
Specific embodiment
The invention discloses a kind of permanent magnets, to improve the service life of magneto.The present invention also provides a kind of tools
There are the rotor and magneto of above-mentioned permanent magnet.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of permanent magnet, the anti-demagnetization capability of the middle section of permanent magnet is higher than permanent magnet both ends part
Anti- demagnetization capability.
The study found that permanent magnet is when bearing external opposing magnetic field, the axial flux density at each position and uneven of permanent magnet,
There are biggish local demagnetization situations.It is always seen along armature spindle, the demagnetization degree at the intermediate position of permanent magnet is obviously greater than forever
The both ends part of magnet, and under different demagnetization currents, the degree that permanent magnet flux density is unevenly distributed is not also identical, as shown in Figure 1.
Permanent magnet provided in an embodiment of the present invention, since the demagnetization degree at the intermediate position of permanent magnet is greater than the two of permanent magnet
End part, by making the anti-demagnetization capability of middle section of permanent magnet be higher than the anti-demagnetization capability of permanent magnet both ends part, so that
More evenly, and then generation the case where reduce permanent magnet local demagnetization improves magneto for the demagnetization of permanent magnet each section
Whole anti-demagnetization capability, and then improve the service life of magneto.
In the first embodiment, the thickness of the middle section of permanent magnet is greater than the thickness of permanent magnet both ends part.Pass through
So that the thickness of the middle section of permanent magnet is greater than the thickness of permanent magnet both ends part, can effectively improve the middle section of permanent magnet
Anti- demagnetization capability so that the anti-demagnetization capability of the middle section of magnet be higher than permanent magnet both ends part anti-demagnetization capability.It can
With understanding, in this embodiment, the coercivity of permanent magnet can be the same or different.Preferably, the centre of permanent magnet
Partial coercivity is greater than or equal to the coercivity of the both ends part of permanent magnet.
As shown in figures 3 to 6, permanent magnet is multistage hierarchic structure permanent magnet comprising intermediate permanent magnet segments 11 and is set to
Between 11 both ends of permanent magnet segments end permanent magnet segments；The thickness of multistage hierarchic structure permanent magnet is successively decreased from intermediate permanent magnet segments 11 to both ends.
By above-mentioned setting, so that the stepped structure of permanent magnet surfaces, in order to control every section of multistage hierarchic structure permanent magnet forever
The thickness of magnetic section.Permanent magnet smooth transition structure can also be made e.g. to set the structures such as diamond shape or ellipse for permanent magnet.
In order to preferably promote the anti-demagnetization capability of intermediate permanent magnet segments 11, D1 >=1.1D；Wherein, D1 is intermediate permanent magnet segments 11
Thickness, D be first end permanent magnet segments 12 and the second end permanent magnet segments 13 thickness.That is, first end permanent magnet segments 12 and second
The thickness of end permanent magnet segments 13 is identical, also, the thickness of intermediate permanent magnet segments 11 is greater 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 intermediate 11 thickness of permanent magnet segments, the cost of permanent magnet can also be obviously increased.Therefore, exist
In the case of the promotion and the production cost that comprehensively consider the anti-demagnetization capability of intermediate permanent magnet segments 11, it is preferable that 1.8D >=D1 >=1.3D.
As shown in figure 3, permanent magnet is three sections of hierarchic structure permanent magnets.I.e. comprising intermediate permanent magnet segments 11, first end are forever
Magnetic section 12 and the second end permanent magnet segments 13.First end permanent magnet segments 12 are connect with one end of intermediate permanent magnet segments 11, and the second end is forever
Magnetic section 13 is connect with the other end of intermediate permanent magnet segments 11.Wherein, the thickness of intermediate permanent magnet segments 11 is greater than first end permanent magnet segments 12
And the thickness of the second end permanent magnet segments 13.
As shown in figure 8, permanent magnet is five sections of hierarchic structure permanent magnets in order to further make permanent magnet demagnetization more uniform.
I.e. comprising intermediate permanent magnet segments 11, first end permanent magnet segments 12, the second end permanent magnet segments 13, third 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 both ends of intermediate permanent magnet segments 11, third
End permanent magnet segments 14 are connect with first end permanent magnet segments 12 far from one end of intermediate permanent magnet segments 11, the thickness of first end permanent magnet segments 12
Degree is greater than the thickness of third end permanent magnet segments 14；4th end permanent magnet segments 15 are with the second end permanent magnet segments 13 far from intermediate permanent magnet segments
11 one end connection, the thickness of the second end permanent magnet segments 13 are greater than the thickness of the 4th end permanent magnet segments 15.
It can also set permanent magnet to seven sections of hierarchic structure permanent magnets or nine sections of hierarchic structure permanent magnets.Certainly, may be used
To set even number section hierarchic structure permanent magnet for permanent magnet, not repeated them here and within protection scope.
As shown in fig. 7, the coercivity of the middle section of permanent magnet is greater than permanent magnet both ends part in second of embodiment
Coercivity.By making the coercivity of the middle section of permanent magnet be greater than the coercivity of permanent magnet both ends part, can effectively mention
The anti-demagnetization capability of the middle section of high permanent magnet, so that the anti-demagnetization capability of the middle section of magnet is higher than permanent magnet both ends
The anti-demagnetization capability divided.It is understood that in this embodiment, the thickness of permanent magnet can be the same or different.It is preferred that
Ground, the thickness of the middle section of permanent magnet are greater than or equal to the thickness of the both ends part of permanent magnet.As shown in fig. 7, the present embodiment
In, for the ease of processing, the thickness of the middle section of permanent magnet is equal to the thickness of the both ends part of permanent magnet
In order to promote 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 intermediate permanent magnet segments 11.Wherein, axial length is permanent magnetism after permanent magnet is correctly installed in rotor core 2
Axial length of the body along rotor core 2.
Further, 0.55L >=L1 >=0.4L.
The embodiment of the invention also provides a kind of rotor, including rotor core 2 and permanent magnet 1, permanent magnet 1 is such as above-mentioned
A kind of permanent magnet.Since above-mentioned permanent magnet has above-mentioned technique effect, the rotor with above-mentioned permanent magnet should also have similarly
Technical effect, not repeated them here.
Preferably, in the present embodiment, one side of the permanent magnet 1 backwards to the center of rotor core 2 is plane.
The embodiment of the invention also provides a kind of magneto, including rotor and stator 3, rotor is as described above turns
Son.Since above-mentioned rotor has above-mentioned technique effect, the magneto with above-mentioned rotor should also have same technical effect,
It is no longer discussed in detail herein.
The axial length of rotor core 2 is equal with the axial length of permanent magnet 1 and rotor core 2 and permanent magnet 1 are axial right
Together, and then the fiting effect of rotor Yu stator 3 is ensured.For the problem of assembling i.e. process requirements, the axial direction of rotor core 2 is long
Spend, the axial length axial length slightly larger than permanent magnet 1 of rotor core 2 of substantially equal with 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 which motor generates 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 both ends of rotor, this meeting is so that permanent magnet difference portion in the axial direction
The anti-demagnetization uniformity of position reduces.Therefore, as shown in figure 5, it is preferred that make rotor both ends stretch out stator 3 equal length, so as to
In the anti-demagnetization uniformity for improving permanent magnet different parts in the axial direction.
Further, permanent magnet is multistage hierarchic structure permanent magnet comprising intermediate permanent magnet segments 11 and be set to it is intermediate forever
The end permanent magnet segments at 11 both ends of magnetic section；[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, further improving permanent magnet, the anti-of different parts is moved back in the axial direction
The demagnetization of intermediate permanent magnet segments 11 is effectively relieved under the premise of considering processing cost in magnetic uniformity.
The axial length of the intermediate 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 fig. 6, the length that the both ends of rotor can also be made to stretch out stator 3 is unequal.
Permanent magnet is multistage hierarchic structure permanent magnet comprising intermediate permanent magnet segments 11 and is set to intermediate 11 both ends of permanent magnet segments
End permanent magnet segments.In order to promote the uniformity of the anti-demagnetization of permanent magnet, (0.6S+L2) >=L1 >=(0.2*S+L2)；Wherein, L1 is
The axial length of intermediate permanent magnet segments 11, L2 are the minimum length that rotor tip stretches out stator 3.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 is the length that rotor stretches out 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 can be understood as Fig. 2 along the cross-sectional view in the face B-B.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (16)
1. a kind of magneto, including rotor and stator (3), the rotor includes rotor core (2) and permanent magnet (1), spy
Sign is that the rotor core (2) that the permanent magnet (1) is placed on rotor is internal, the middle part of the permanent magnet (1)
The anti-demagnetization capability divided is higher than the anti-demagnetization capability of permanent magnet both ends part, the axially intermediate portion of the permanent magnet (1)
Thickness be greater than the permanent magnet (1) axial ends part thickness, the permanent magnet (1) backwards to rotor core (2) center
One side be plane；
L > S；Wherein, L is the axial overall length of the rotor, and S is the axial length of the stator (3)；
The equal length of the stator (3) is stretched out at the both ends of the rotor；
The permanent magnet is multistage hierarchic structure permanent magnet comprising intermediate permanent magnet segments (11) and is set to the intermediate permanent magnet segments
(11) the end permanent magnet segments at both ends；
[0.6S+0.5*(L-S)]≥L1≥[0.2*S+0.5*(L-S)]；
Wherein, L1 is the axial length of the intermediate permanent magnet segments (11).
2. magneto as described in claim 1, which is characterized in that D1 >=1.1D；
Wherein, D1 is the thickness of the intermediate permanent magnet segments (11), and D is the first end of intermediate permanent magnet segments (11) opposite end
The thickness of permanent magnet segments (12) and the second end permanent magnet segments (13).
3. magneto as claimed in claim 2, which is characterized in that 1.8D >=D1 >=1.3D.
4. magneto as described in claim 1, which is characterized in that the permanent magnet is three sections of hierarchic structure permanent magnets.
5. magneto as described in claim 1, which is characterized in that the permanent magnet is five sections of hierarchic structure permanent magnets.
6. magneto as described in any one in claim 1-5, which is characterized in that 0.6L >=L1 >=0.2L；
Wherein, L is the axial overall length of the permanent magnet, and L1 is the axial length of the intermediate permanent magnet segments (11).
7. magneto as claimed in claim 6, which is characterized in that 0.55L >=L1 >=0.4L.
8. magneto as described in claim 1, which is characterized in that [0.55S+0.5* (L-S)] >=L1 >=[0.4*S+0.5*
(L-S)]。
9. a kind of magneto, including rotor and stator (3), the rotor includes rotor core (2) and permanent magnet (1), spy
Sign is that the rotor core (2) that the permanent magnet (1) is placed on rotor is internal, the middle part of the permanent magnet (1)
The anti-demagnetization capability divided is higher than the anti-demagnetization capability of permanent magnet both ends part, the axially intermediate portion of the permanent magnet (1)
Thickness be greater than the permanent magnet (1) axial ends part thickness, the permanent magnet (1) backwards to rotor core (2) center
One side be plane；
L > S；Wherein, L is the axial overall length of the rotor, and S is the axial length of the stator (3)；
The length that the stator (3) is stretched out at the both ends of the rotor is unequal；
The permanent magnet is multistage hierarchic structure permanent magnet comprising intermediate permanent magnet segments (11) and is set to the intermediate permanent magnet segments
(11) the end permanent magnet segments at both ends；
(0.6S+L2)≥L1≥(0.2*S+L2)；
Wherein, L1 is the axial length of the intermediate permanent magnet segments (11), and L2 is that the rotor tip stretches out the stator (3) most
Small length.
10. magneto as claimed in claim 9, which is characterized in that D1 >=1.1D；
Wherein, D1 is the thickness of the intermediate permanent magnet segments (11), and D is the first end of intermediate permanent magnet segments (11) opposite end
The thickness of permanent magnet segments (12) and the second end permanent magnet segments (13).
11. magneto as claimed in claim 10, which is characterized in that 1.8D >=D1 >=1.3D.
12. magneto as claimed in claim 9, which is characterized in that the permanent magnet is three sections of hierarchic structure permanent magnets.
13. magneto as claimed in claim 9, which is characterized in that the permanent magnet is five sections of hierarchic structure permanent magnets.
14. such as the described in any item magnetoes of claim 9-13, which is characterized in that 0.6L >=L1 >=0.2L；
Wherein, L is the axial overall length of the permanent magnet, and L1 is the axial length of the intermediate permanent magnet segments (11).
15. magneto as claimed in claim 14, which is characterized in that 0.55L >=L1 >=0.4L.
16. magneto as claimed in claim 9, which is characterized 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 CN106451828A (en) | 2017-02-22 |
| CN106451828B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102523837B1 (en) * | 2017-11-16 | 2023-04-21 | 엘지이노텍 주식회사 | Motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (3)
| 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 |
-
2016
- 2016-10-26 CN CN201610951134.0A patent/CN106451828B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106451828A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | An improved coaxial magnetic gear using flux focusing | |
| Chen et al. | Design and analysis of a new magnetic gear with multiple gear ratios | |
| US9502934B2 (en) | Motor rotor and motor having same | |
| CN105449968B (en) | Composite poles formula Surface Mount permagnetic synchronous motor | |
| CN112564346B (en) | High-torque-density axial magnetic field permanent magnet motor rotor structure and motor thereof | |
| CN109347229B (en) | Motor rotor structure and permanent magnet motor | |
| CN107294243B (en) | Low-torque-fluctuation built-in permanent magnet motor rotor and motor magnetic density optimization method | |
| CN108880039A (en) | A kind of aggregate surface plug-in permanent magnet motor and Consequent pole permanent magnet motor | |
| CN103929026B (en) | Magneto | |
| CN104659940A (en) | Rotor of rotating motor | |
| CN109962551B (en) | Double-winding permanent magnet fault-tolerant motor | |
| CN106451828B (en) | Magneto, rotor and its permanent magnet | |
| CN105375726A (en) | Combined magnetic pole type built-in radial linear permanent magnet synchronous motor | |
| CN103915921B (en) | Magneto | |
| CN202679099U (en) | Rotor of rare earth permanent magnet generator | |
| CN105932846A (en) | Low-torque pulsation permanent magnet synchronous motor rotor structure | |
| Ma et al. | Effect of stator and rotor notches on cogging torque of permanent magnet synchronous motor | |
| CN105429409B (en) | Composite poles formula axial flux permanent magnet synchronous motor | |
| CN202513694U (en) | Permanent magnet motor | |
| CN101741213A (en) | Cylindrical permanent magnet linear motor | |
| CN204066960U (en) | The incremental transformer of permanent magnetism | |
| JP2017212863A (en) | Pole-oriented anisotropic injection molding bond magnet and manufacturing method thereof | |
| CN207926302U (en) | A kind of mixed type permanent-magnet pole rotor and motor | |
| CN103501067B (en) | The rotor of motor | |
| JP2011147288A (en) | Rotor of synchronous motor |
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 |
Effective date of registration: 20190815 Address after: 519000 Guangdong city of Zhuhai Province Qianshan Co-patentee after: Zhuhai Gree Energy Saving & Refrigerating Technology Resarch Center Co., Ltd. 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: Zhuhai Gree Energy Saving & Refrigerating Technology Resarch Center Co., Ltd. |
|
| TR01 | Transfer of patent right |