CN110022015A - A kind of surface-mount type magnetic suspension motor rotor and its processing technology - Google Patents
A kind of surface-mount type magnetic suspension motor rotor and its processing technology Download PDFInfo
- Publication number
- CN110022015A CN110022015A CN201910306259.1A CN201910306259A CN110022015A CN 110022015 A CN110022015 A CN 110022015A CN 201910306259 A CN201910306259 A CN 201910306259A CN 110022015 A CN110022015 A CN 110022015A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- rotor
- mount type
- suspension motor
- permanent magnet
- 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.)
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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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
-
- 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
Abstract
The present invention provides a kind of surface-mount type magnetic suspension motor rotor and its processing technology, the surface-mount type magnetic suspension motor rotor includes mandrel, rotor set and 2n permanent magnet, wherein n is the integer more than or equal to 1；The axial middle part of the mandrel is provided with gain, and the permanent magnet is embedded in the gain, and the magnetic pole of the adjacent permanent magnet is oppositely arranged；The rotor set is set in the outer surface of the mandrel.The present invention uses integrated core shaft structure, realizes that more magnetic poles of rotor are arranged using the processing technology of surface-mount type, can guarantee the structural strength and stability of rotor, guarantee efficient, the stable operation of magnetic suspension motor；The processing technology of surface-mount type efficiently solves the problems, such as that more magnetic pole magnetic suspension motor rotor machinings are difficult, improves processing efficiency, can produce in batches, provides strong support for the universal of magnetic levitation technology.
Description
Technical field
The present invention relates to magnetic levitation technology field more particularly to a kind of surface-mount type magnetic suspension motor rotor and its processing works
Skill.
Background technique
With the development of science and technology with the demand of production, magnetic suspension high speed motor has become International Power area research
One of hot spot.Since magnetic suspension high speed motor has many advantages, such as that energy density is high, structure size is small, high-efficient, at present
It is widely used in the industrial circles such as miniature gas turbine, high speed centrifugation compressor, molecular pump, high-speed machining center, flywheel energy storage,
And its application field and range are still constantly expanding.
During the work time, the structural stability of rotor is to the even running of entire motor to Guan Chong for magnetic suspension motor
It wants.The number of magnetic pole pairs of rotor permanent magnet are an important parameters of magnetic suspension motor, secondly magnetic property, the rotor of permanent magnet
Itself dynamic balance performance and rotor structure stability all directly affect the working performance of magnetic suspension motor.Therefore, one is researched and developed
Kind can facilitate the magnetic suspension motor rotor of more magnetic poles of realization, stable structure to become a technical problem urgently to be resolved.
Summary of the invention
Present invention seek to address that problem as described above.It is an object of the present invention to provide in a kind of solution problem above
Any one magnetic suspension motor rotor.Specifically, the present invention provides a kind of more magnetic poles, the magnetic suspension motor of stable structure turns
Son and its processing technology.
According to the first aspect of the invention, the present invention provides a kind of surface-mount type magnetic suspension motor rotor, the surface-mount types
Magnetic suspension motor rotor includes mandrel, rotor set and 2n permanent magnet, wherein n is the integer more than or equal to 1；The mandrel
Axial middle part is provided with gain, and the permanent magnet is embedded in the gain, and the magnetic pole of the adjacent permanent magnet is oppositely arranged；
The rotor set is set in the outer surface of the mandrel.
Wherein, the surface-mount type magnetic suspension motor rotor further includes magnetic shield, and the magnetic shield is arranged in the permanent magnet
Between the mandrel, the inner surface of the permanent magnet passes through the magnetic shield with end face is isolated with the mandrel.
Wherein, the magnetic shield is split type structure, and including half ring set that a pair is mutually butted, the vertical of half ring set is cut
Face is U-shaped structure.
Wherein, the length of the rotor set is greater than the width of the gain.
Wherein, the surface-mount type magnetic suspension motor rotor further includes two displacement sensors and two magnetic bearings, the magnetic
Bearing and institute's displacement sensors are sequentially arranged in the both ends of the rotor set and are arranged on the mandrel.
Wherein, the surface-mount type magnetic suspension motor rotor further includes thrust disc, and the thrust disc is set in the mandrel
One end.
Wherein, the mandrel uses alloy steel material, and the rotor set uses non-magnetic alloy material.
According to another aspect of the present invention, the present invention also provides a kind of processing works of surface-mount type magnetic suspension motor rotor
Skill, the processing technology include:
Magnetic shield is fixed in the gain of mandrel, then 2n permanent magnet is sequentially fixed to the groove of the magnetic shield
It is interior, form sub-assembly；Wherein, n is the integer more than or equal to 1, and the pole orientation of the adjacent permanent magnet is opposite；
After being ground to the sub-assembly outer circle, rotor set is arranged on the mandrel, the permanent magnet is formed
Covering；
Magnetic bearing and displacement sensor are respectively successively arranged at the both ends of the mandrel using hot charge practice, then in the mandrel
One end thrust disc is arranged using hot charge practice.
Wherein, include: in the gain that magnetic shield is fixed on to the mandrel
Two and half ring sets are successively bonded in the gain of the mandrel, and two half ring sets is enabled to be connected to each other.
The present invention uses integrated core shaft structure, realizes that more magnetic poles of rotor are arranged using the processing technology of surface-mount type,
The structural strength and stability that can guarantee rotor guarantee efficient, the stable operation of magnetic suspension motor；The processing technology of surface-mount type
It efficiently solves the problems, such as that more magnetic pole magnetic suspension motor rotor machinings are difficult, improves processing efficiency, can produce in batches, be magnetic suspension
The universal of technology provides strong support.
Being described below for exemplary embodiment is read with reference to the drawings, other property features of the invention and advantage will
It is apparent from.
Detailed description of the invention
It is incorporated into specification and the attached drawing for constituting part of specification shows the embodiment of the present invention, and with
Principle for explaining the present invention together is described.In the drawings, similar appended drawing reference is for indicating similar element.Under
Attached drawing in the description of face is some embodiments of the present invention, rather than whole embodiments.Those of ordinary skill in the art are come
It says, without creative efforts, other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 schematically illustrates the cross-sectional view of surface-mount type magnetic suspension motor rotor of the invention；
Fig. 2 schematically illustrates the A-A sectional view of Fig. 1；
Fig. 3 schematically illustrates the processing process figure of surface-mount type magnetic suspension motor rotor of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.It needs
Illustrate, in the absence of conflict, the features in the embodiments and the embodiments of the present application can mutual any combination.
The present invention uses integrated core shaft structure, and the surface perimeter in the middle part of mandrel is embedded multiple permanent magnets, and guarantees
The magnetic pole of adjacent permanent magnet is on the contrary, realize more magnetic poles setting of rotor；And utilize magnetic shield and rotor set to the magnetic field of permanent magnet
It is shielded, reduces the added losses of high frequency magnetic field, while thermally conductive, heat dissipation is carried out to permanent magnet, avoid rotor because of overheat
And generate the danger of loss of excitation.The structure and processing technology of this surface-mount type are, it can be achieved that property is high, convenient for operation, and stable structure,
Intensity is high, efficiently solves the problems, such as that more magnetic pole magnetic suspension motor rotor machinings are difficult, intensity is low, improves processing efficiency, guarantee magnetic
Floatation electric motor can it is long-term, efficiently, stable operation, forcefully supported for universal provide of magnetic levitation technology.
With reference to the accompanying drawing, provided surface-mount type magnetic suspension motor rotor and its processing technology according to the present invention are carried out
It is described in detail.
Fig. 1 shows a kind of cross-sectional view of embodiment of surface-mount type magnetic suspension motor rotor of the invention, and Fig. 2 shows figures
1 A-A sectional view, referring to Figures 1 and 2 shown in, which includes that mandrel 1, rotor cover 2 and 2n forever
Magnet 3, wherein n is the integer more than or equal to 1.Specifically, gain 11 is provided in the middle part of the axial direction of mandrel 1, gain 11 is ring
Shape structure；Permanent magnet 3 is embedded in gain 11, and the magnetic pole of adjacent permanent magnet 3 is oppositely arranged.2n permanent magnet 3 is embedded
Magnet ring is formed in gain 11, and the magnetic pole of adjacent permanent magnet 3 is on the contrary, realize the arrangement of more magnetic poles, while being effectively ensured forever
The structural stability of magnet 3.
Specifically, the section of permanent magnet 3 is sector structure, to guarantee to form magnet ring after 2n permanent magnet 3 is embedded, in core
The circumference of axis 1 forms equally distributed magnetic field, to guarantee the stable operation of rotor.In the embodiment shown in Figure 2, n=
2, i.e., it is provided with 4 permanent magnets 3 in gain 11, in a further embodiment, also can be set 2,6 or 8 etc. occasionally
Several permanent magnets 3 only need to guarantee that the magnetic pole of adjacent permanent magnet 3 is reversed, to guarantee the Distribution of Magnetic Field of rotor
Uniformly, stablize.
Rotor set 2 is set in the outer surface of mandrel 1, covers and protects to mandrel 1 and the formation of permanent magnet 3, on the one hand to forever
The high frequency magnetic field of magnet 3 is shielded, and is reduced the high frequency added losses in permanent magnet 3, is on the other hand avoided permanent magnet 3 and mandrel
1 causes damage by collision and influences service performance.
Surface-mount type magnetic suspension motor rotor of the invention further includes magnetic shield 4, and magnetic shield 4 is arranged in permanent magnet 3 and mandrel 1
Between, permanent magnet 3 is isolated with the formation of mandrel 1, is shielded.Specifically, the inner surface of permanent magnet 3 and end face pass through magnetic shield 4
It is isolated with mandrel 1.Specifically, magnetic shield 4 is cyclic structure, and setting is fluted in the middle part of the outer circle of magnetic shield 4, every magnetic
After set 4 is embedded in the gain 11 of mandrel 1, permanent magnet 3 is embedded in the groove of magnetic shield 4, thus the inner surface of permanent magnet 3,
Both ends of the surface are isolated with mandrel 1.
In Fig. 1 and embodiment shown in Fig. 2, magnetic shield 4 is split type structure.As shown in Fig. 2, the magnetic shield 4 includes
Half ring set 41 that a pair is mutually butted, as shown in Figure 1, the longitudinal section of half ring set 41 is U-shaped structure, and permanent magnet 3 is then embedded
In the groove of the U-shaped structure.In other embodiments, magnetic shield 4 also may include three or three or more fan-shaped knots
Structure, and the identical groove of same position setting structure on the outer ring surface of each sector structure, to ensure that sector structure is spelled
The unification of the annular groove position after forming magnetic shield 4 is connect, guarantees that the installation of permanent magnet 3 and position are stablized.In addition, if to permanent magnetism
The working environment that specific demand is distributed with of body 3, for example, the end face of 2n permanent magnet 3 is not concordant, (such as adjacent permanent magnet is staggeredly set
Set or successively tilt arrangement etc.), according to circumstances groove location and shape on magnetic shield 4 can also be set.
Magnetic shield 4 uses non-magnetic alloy material, such as stainless steel, can play very well to the high frequency magnetic field of permanent magnet 3
Shielding action, effectively reduce the high frequency added losses of the permanent magnet 3 of rotor.
In the present invention, permanent magnet 3 uses rare earth permanent-magnetic material, such as Nd-Fe-B permanent magnet material, samarium-cobalt permanent-magnetic material, dilute
The magnetism of native permanent-magnet material is than strong 5 times of the magnetism or more of general magnet, and compression strength reaches 1000MP, and tensile strength is generally low
In 1/10th of its compression strength, it can provide intensity enough and stable magnetic field for the stable operation of rotor.Using
The permanent magnet of rare earth permanent-magnetic material is not easy to demagnetize, and risk caused by reducing because of demagnetization substantially increases magnetic suspension motor
Efficiency and service life.
In order to guarantee the connective stability of magnetic shield 4, the internal diameter of magnetic shield 4 and the base diameter of the gain 11 on mandrel 1
It is equal, and the length of magnetic shield 4 is equal with the width of gain 11, and the outer diameter of magnetic shield 4 is equal with the diameter of mandrel 1.Permanent magnetism
The internal diameter of body 3 is equal with the recess base diameter of magnetic shield 4, and the outer diameter of permanent magnet 3 is equal with the diameter of mandrel 1.
Specifically, the length of rotor set 2 is greater than the width of gain 11, to ensure that rotor covers 2 pairs of permanent magnets 3 and magnetic shield 4
It is formed simultaneously covering protection, shielding protection on the one hand is formed to the magnetic field of permanent magnet 3, on the other hand ensures magnetic shield 4 and permanent magnetism
The connective stability of body 3 and mandrel 1 guarantees the stability and structural strength of motor rotor construction.
Surface-mount type magnetic suspension motor rotor of the invention further includes two displacement sensors 5 and two magnetic bearings 6, magnetic axis
Hold 6 and displacement sensor 5 be sequentially arranged in rotor set 2 both ends and be set on mandrel 1, i.e., the both ends of mandrel 1 respectively according to
It is secondary to be arranged with a magnetic bearing 6 and a displacement sensor 5.Wherein, magnetic bearing 6 is radial direction magnetic bearing, to rotor
Both ends formed support protection, it is ensured that smooth, the stable operation of rotor；Displacement sensor 5 is then used for real-time detection motor
The position deviation of two ends of rotor, to monitor the stability of rotor operation.
In addition, the surface-mount type magnetic suspension motor rotor further includes thrust disc 7, thrust disc 7 is set in one end of mandrel 1.It pushes away
Electromagnetism force transmission element of the power disk 7 as magnetic suspension motor, to realize the control to the axial position of rotor.
Specifically, mandrel 1 uses alloy steel material, and by heat treatment guarantee the hardness of material in 30~35HRC,
To guarantee the intensity of rotor mandrel.In design scheme of the invention, mandrel 1 is designed using integrated structure, intensity and knot
Structure stability is obviously superior to split type structure.
On the one hand rotor set 2 is formed shielding to the high frequency magnetic field of permanent magnet 3 and is protected using high-intensitive non-magnetic alloy material
Shield, reduces the high frequency added losses of the permanent magnet 3 of rotor, and on the other hand can bear rotor high speed rotation is to generate
Huge centrifugal force, with achieve the purpose that protect permanent magnet 3, the stable connection of permanent magnet 3, separation sleeve 4 and mandrel 1 is effectively ensured
Property；In addition, non-magnetic alloy material also has good heating conduction, be conducive to the heat dissipation of permanent magnet 3, reduce rotor because
Overheat and generate the danger of loss of excitation.
It is adapted in above-mentioned surface-mount type magnetic suspension motor rotor, the present invention also provides the surface-mount type magnetic suspension motors to turn
The processing technology of son, Fig. 3 show a kind of processing process figure of the rotor, referring to shown in Fig. 3, the processing technology packet
It includes:
Magnetic shield 4 is fixed in the gain 11 of mandrel 1,2n permanent magnet 3 is then sequentially fixed at the recessed of magnetic shield 4
In slot, sub-assembly is formed；Wherein, n is the integer more than or equal to 1, and the pole orientation of adjacent permanent magnet 3 is opposite；
After being ground to sub-assembly outer circle, rotor set 2 is set on mandrel 1, permanent magnet 3 is formed and is covered；
Magnetic bearing 6 and displacement sensor 5 are respectively successively arranged at the both ends of mandrel 1 using hot charge practice, then the one of mandrel 1
End is arranged thrust disc 7 using hot charge practice.
Specifically, magnetic shield 4 passes through together with strong metallic glue or other adhesive bondings between mandrel 1, with effective
Guarantee its connective stability.It, need to be by the sub-assembly after in the gain 11 that magnetic shield 4 and permanent magnet 3 are adhered to mandrel 1
Outer circle be ground to being sized, and to ensure its concentricity, while convenient for the installation of rotor set 2 and guaranteeing rotor
Overall structure stability.
In a typical embodiment, magnetic shield 4 is fixed in the gain 11 of mandrel 1 and is specifically included: by two and half
Ring set 41 is successively bonded in the gain 11 of mandrel 1, and two and half ring sets 41 is enabled to be connected to each other.
Descriptions above can combine implementation individually or in various ways, and these variants all exist
Within protection scope of the present invention.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment comprising a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of surface-mount type magnetic suspension motor rotor, which is characterized in that the surface-mount type magnetic suspension motor rotor includes mandrel
(1), rotor set (2) and 2n permanent magnet (3), wherein n is the integer more than or equal to 1；
The axial middle part of the mandrel (1) is provided with gain (11), and the permanent magnet (3) is embedded in the gain (11), and
The magnetic pole of the adjacent permanent magnet (3) is oppositely arranged；
The rotor set (2) is set in the outer surface of the mandrel (1).
2. surface-mount type magnetic suspension motor rotor as described in claim 1, which is characterized in that the surface-mount type magnetic suspension motor turns
Son further includes magnetic shield (4), and the magnetic shield (4) is arranged between the permanent magnet (3) and the mandrel (1), the permanent magnetism
The inner surface of body (3) passes through the magnetic shield (4) with end face is isolated with the mandrel (1).
3. surface-mount type magnetic suspension motor rotor as claimed in claim 2, which is characterized in that the magnetic shield (4) is split type
Structure, including half ring set (41) that a pair is mutually butted, the longitudinal section of half ring set (41) is U-shaped structure.
4. surface-mount type magnetic suspension motor rotor as described in claim 1, which is characterized in that the length of the rotor set (2) is big
Width in the gain (11).
5. surface-mount type magnetic suspension motor rotor as described in claim 1, which is characterized in that the surface-mount type magnetic suspension motor turns
Son further includes two displacement sensors (5) and two magnetic bearings (6), and the magnetic bearing (6) and institute's displacement sensors (5) are successively
It is arranged in the both ends of the rotor set (2) and is set on the mandrel (1).
6. surface-mount type magnetic suspension motor rotor as described in claim 1, which is characterized in that the surface-mount type magnetic suspension motor turns
Son further includes thrust disc (7), and the thrust disc (7) is set in one end of the mandrel (1).
7. surface-mount type magnetic suspension motor rotor as described in claim 1, which is characterized in that the mandrel (1) uses steel alloy
Material, the rotor set (2) use non-magnetic alloy material.
8. a kind of processing technology of surface-mount type magnetic suspension motor rotor, which is characterized in that the processing technology includes:
Magnetic shield (4) is fixed in the gain (11) of mandrel (1), then by 2n permanent magnet (3) be sequentially fixed at described in every
In the groove of magnetosheath (4), sub-assembly is formed；Wherein, n is the integer more than or equal to 1, the magnetic pole side of the adjacent permanent magnet (3)
To opposite；
After being ground to the sub-assembly outer circle, rotor set (2) is set on the mandrel (1), to the permanent magnet (3)
Form covering；
Magnetic bearing (6) and displacement sensor (5) are respectively successively arranged at the both ends of the mandrel (1) using hot charge practice, then in institute
The one end for stating mandrel (1) is arranged thrust disc (7) using hot charge practice.
9. processing technology as claimed in claim 8, which is characterized in that described that magnetic shield (4) is fixed on the mandrel (1)
Include: in gain (11)
Two and half ring sets (41) are successively bonded in the gain (11) of the mandrel (1), and enable two half ring sets (41)
It is connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910306259.1A CN110022015B (en) | 2019-04-17 | 2019-04-17 | Surface-mounted magnetic suspension motor rotor and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910306259.1A CN110022015B (en) | 2019-04-17 | 2019-04-17 | Surface-mounted magnetic suspension motor rotor and processing technology thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110022015A true CN110022015A (en) | 2019-07-16 |
| CN110022015B CN110022015B (en) | 2020-03-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910306259.1A Active CN110022015B (en) | 2019-04-17 | 2019-04-17 | Surface-mounted magnetic suspension motor rotor and processing technology thereof |
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| Country | Link |
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| CN (1) | CN110022015B (en) |
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|---|---|---|---|---|
| JP2001078378A (en) * | 1999-09-09 | 2001-03-23 | Hitachi Ltd | Permanent magnet synchronous motor and air compressor |
| JP2004208489A (en) * | 2002-12-13 | 2004-07-22 | Asmo Co Ltd | Rotor for brushless motor, and brushless motor |
| CN101826763A (en) * | 2010-04-23 | 2010-09-08 | 浙江大学 | Rotor structure of permanent magnet motor |
| JP2016192877A (en) * | 2015-03-31 | 2016-11-10 | 株式会社豊田自動織機 | Rotary electric machine and compressor |
| CN106505780A (en) * | 2016-12-15 | 2017-03-15 | 南通金驰机电有限公司 | A kind of magnetic suspension permanent magnet direct-drive high-speed motor |
| CN107093938A (en) * | 2017-06-15 | 2017-08-25 | 深圳麦格动力技术有限公司 | Magnetic suspension motor and domestic air conditioning |
| CN107579615A (en) * | 2017-10-30 | 2018-01-12 | 南京磁谷科技有限公司 | A kind of interpolar filling block arrangement of durface mounted permanent magnet rotor |
| CN109510382A (en) * | 2018-12-11 | 2019-03-22 | 上海航天控制技术研究所 | A kind of novel magnetically levitated accumulated energy flywheel rotor |
-
2019
- 2019-04-17 CN CN201910306259.1A patent/CN110022015B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001078378A (en) * | 1999-09-09 | 2001-03-23 | Hitachi Ltd | Permanent magnet synchronous motor and air compressor |
| JP2004208489A (en) * | 2002-12-13 | 2004-07-22 | Asmo Co Ltd | Rotor for brushless motor, and brushless motor |
| CN101826763A (en) * | 2010-04-23 | 2010-09-08 | 浙江大学 | Rotor structure of permanent magnet motor |
| JP2016192877A (en) * | 2015-03-31 | 2016-11-10 | 株式会社豊田自動織機 | Rotary electric machine and compressor |
| CN106505780A (en) * | 2016-12-15 | 2017-03-15 | 南通金驰机电有限公司 | A kind of magnetic suspension permanent magnet direct-drive high-speed motor |
| CN107093938A (en) * | 2017-06-15 | 2017-08-25 | 深圳麦格动力技术有限公司 | Magnetic suspension motor and domestic air conditioning |
| CN107579615A (en) * | 2017-10-30 | 2018-01-12 | 南京磁谷科技有限公司 | A kind of interpolar filling block arrangement of durface mounted permanent magnet rotor |
| CN109510382A (en) * | 2018-12-11 | 2019-03-22 | 上海航天控制技术研究所 | A kind of novel magnetically levitated accumulated energy flywheel rotor |
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| Publication number | Publication date |
|---|---|
| CN110022015B (en) | 2020-03-03 |
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Denomination of invention: A surface mounted magnetic levitation motor rotor and its processing technology Effective date of registration: 20220620 Granted publication date: 20200303 Pledgee: China Construction Bank Corporation Weifang Kuiwen sub branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY Co.,Ltd. Registration number: Y2022370000069 |
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