CN110365140A - A kind of synchronous magnetic resistance motor rotor - Google Patents
A kind of synchronous magnetic resistance motor rotor Download PDFInfo
- Publication number
- CN110365140A CN110365140A CN201910649675.1A CN201910649675A CN110365140A CN 110365140 A CN110365140 A CN 110365140A CN 201910649675 A CN201910649675 A CN 201910649675A CN 110365140 A CN110365140 A CN 110365140A
- Authority
- CN
- China
- Prior art keywords
- motor rotor
- resistance motor
- magnetic resistance
- magnetic
- iron core
- 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
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
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
- H02K1/246—Variable reluctance rotors
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Abstract
The present invention discloses a kind of synchronous magnetic resistance motor rotor, and the synchronous magnetic resistance motor rotor includes iron core, and the middle position of the iron core is provided with circular hole；N component is evenly arranged on the iron core, n is identical as the number of poles of motor；Wherein, for each component, the component sets gradually cambered first layer air magnetic barrier, second layer air magnetic barrier and third layer air magnetic barrier from the inside to the outside；The first layer air magnetic barrier and second layer air magnetic barrier middle position are provided with magnetic bridge；The most external setting of the component is fluted.Synchronous magnetic resistance motor rotor of the present invention can solve the problems such as motor leakage inductance is serious, mechanical strength is low, salient pole is smaller and electromagnetic torque is insufficient.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of synchronous magnetic resistance motor rotor.
Background technique
With the development of power electronics technology with the raising of permanent magnetic material performance, in the occasion more demanding to control performance
Permanent magnet synchronous motor is widely used, but that there are temperature limitings is excessively stringent for permanent magnet synchronous motor, and overload capacity is poor,
Be difficult to weak magnetic control the disadvantages of, while in recent years rare earth resources consumption it is too fast, future very likely face it is in short supply, will hinder forever
The development of magnetic-synchro motor, however do not have on synchronous magnetic resistance motor rotor permanent magnet, the processing is simple, cost is lower, it is difficult without weak magnetic,
The problem of high temperature loss of excitation, these advantages make synchronous magnetic resistance motor have unique advantage in some fields, therefore by extensive
Concern, and there is development and application potential well.
But there is still a need for raisings for the electromagnetic power and salient pole ratio due to synchronous magnetic resistance motor, and because multi-layer air magnetic barrier causes
Fail to be well solved always the problems such as mechanical strength is relatively low and leakage inductance is serious, therefore limit synchronous magnetic resistance motor
Development.
Summary of the invention
That the object of the present invention is to provide a kind of solution motor leakage inductances is serious, mechanical strength is relatively low, salient pole is smaller and electromagnetism
The synchronous magnetic resistance motor rotor for the problems such as torque is insufficient.
To achieve the above object, the present invention provides a kind of synchronous magnetic resistance motor rotor, the synchronous magnetic resistance motor rotors
Including iron core, the middle position of the iron core is provided with circular hole；N component, the pole of n and motor are evenly arranged on the iron core
Number is identical；
Wherein, for each component, the component sets gradually cambered first layer air magnetic barrier, second from the inside to the outside
Layer air magnetic barrier and third layer air magnetic barrier；
The first layer air magnetic barrier and second layer air magnetic barrier middle position are provided with magnetic bridge；
The most external setting of the component is fluted.
Preferably, the groove is back taper slot or arcuate recess.
Preferably, the width of each magnetic bridge is all the same.
Preferably, the width of the magnetic bridge is less than the opening width of the groove.
Preferably, the second layer air magnetic barrier is identical with third layer air magnetic barrier radian.
Preferably, the quantity of the iron core is multiple, and each iron core is punching laminated structure.
Preferably, connecting hole is offered on each iron core, the synchronous magnetic resistance motor rotor further includes connector, institute
It states connector and each iron core is fixed together by the connecting hole.
Preferably, the junction of adjacent component is arranged in the connecting hole.
Preferably, the connector is rivet.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
Iron core periphery is provided with groove, and quantity is identical as the number of poles of motor, can effectively reduce the leakage inductance of electrode, and first layer is empty
Gas magnetic barrier and second layer air magnetic barrier centerline are equipped with magnetic bridge, and the design of magnetic bridge can make mechanical strength be greatly improved,
Groove is symmetrically distributed in rotor periphery, it is ensured that the symmetry in magnetic field, while improving electromagnetic torque.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of synchronous magnetic resistance motor rotor of the present invention；
Either component schematic diagram in the synchronous magnetic resistance motor rotor of the present invention of the position Fig. 2.
Symbol description: 1- iron core, 2- first layer Confucius's magnetic barrier, 3- second layer Confucius's magnetic barrier, 4- third layer Confucius's magnetic barrier, 5-
Magnetic bridge, 6- groove, 7- connecting hole.
Specific embodiment
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 object of the present invention is to provide the synchronous reluctance of a kind of high magnetic strength, high mechanical strength, high salient pole, high electromagnetic torque is electric
Machine rotor.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As described in Figure 1, a kind of synchronous magnetic resistance motor rotor of the present invention includes iron core 1.
The middle position of the iron core 1 is provided with circular hole, be evenly arranged on the iron core n component (as shown in Figure 2),
N connecting hole and n groove, n are identical as the number of poles of motor.
In the present embodiment, the numerical value of n takes 4.
Wherein, for each component, the component is empty by being disposed with first layer air magnetic barrier 2, the second layer except interior
Gas magnetic barrier 3 and third layer air magnetic barrier 4, the first layer air magnetic barrier 2, second layer air magnetic barrier 3 and the third layer
The center line of air magnetic barrier 4 is overlapped, for avoiding the electromagnetic induction of frequency electromagnetic waves.
Wherein the second layer air magnetic barrier 3 is identical with the opening radian of third layer air magnetic barrier 4, increases the straight of electrode
Axle inductance obtains higher salient pole ratio.The middle position of the first layer air magnetic barrier 2 and second layer air magnetic barrier 3 is respectively provided with
There is magnetic bridge 5, the width of the magnetic bridge 5 is all the same, and the magnetic bridge 5 makes mechanical strength be greatly improved.
The most external of each component is provided with the groove 6, and the leakage of electrode can be effectively reduced in the groove 6
Sense.Wherein, the groove 6 is symmetrical, guarantees the symmetry in magnetic field, improves electromagnetic torque.Preferably, the groove 6 is to fall
Cone tank or arcuate recess.
Preferably, the width of the magnetic bridge 5 and the opening width of the groove 6 are as shown in Fig. 2, the wherein magnetic bridge 5
Width is less than the opening width of the groove 6, i.e. h2 < h1.
The quantity of the iron core 1 be it is multiple, each iron core be punching laminated structure.
Connecting hole 7 is provided on the iron core 1, multiple iron cores 1 are fixed on by the connecting hole 7 and connector
Together.In the present embodiment, the connector is rivet, but is not limited thereto, and can select connector according to actual needs.
Wherein, the junction of the adjacent component is arranged in the connecting hole 7.
In rotor structure of the invention, iron core 1 is punching laminated structure, and periphery is provided with groove 6, the number of poles of quantity and motor
It is identical, the leakage inductance of electrode can be effectively reduced, first layer air magnetic barrier 2 and second layer air magnetic hinder 3 centerlines and is equipped with magnetic bridge
5, magnetic bridge 5 it is of same size, the design of magnetic bridge 5 can make mechanical strength be greatly improved, third layer air magnetic hinder 4 open arcs
Degree is identical as 3 opening radian of second layer air magnetic barrier, increases the d-axis inductance of motor, so that higher salient pole ratio is obtained, it is recessed
Slot is symmetrically distributed in rotor periphery, it is ensured that the symmetry in magnetic field, while improving electromagnetic torque.
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.For system disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of synchronous magnetic resistance motor rotor, which is characterized in that the synchronous magnetic resistance motor rotor includes iron core, the iron core
Middle position is provided with circular hole；N component is evenly arranged on the iron core, n is identical as the number of poles of motor；
Wherein, for each component, it is empty that the component sets gradually cambered first layer air magnetic barrier, the second layer from the inside to the outside
Gas magnetic barrier and third layer air magnetic barrier；
The first layer air magnetic barrier and second layer air magnetic barrier middle position are provided with magnetic bridge；
The most external setting of the component is fluted.
2. a kind of synchronous magnetic resistance motor rotor as described in claim 1, which is characterized in that the groove be back taper slot or
Arcuate recess.
3. a kind of synchronous magnetic resistance motor rotor as described in claim 1, which is characterized in that the width of each magnetic bridge is homogeneous
Together.
4. a kind of synchronous magnetic resistance motor rotor as described in claim 1, which is characterized in that the width of the magnetic bridge is less than described
The opening width of groove.
5. a kind of synchronous magnetic resistance motor rotor as described in claim 1, which is characterized in that the second layer air magnetic barrier and institute
It is identical to state third layer air magnetic barrier radian.
6. a kind of synchronous magnetic resistance motor rotor as described in claim 1, which is characterized in that the quantity of the iron core be it is multiple,
Each iron core is punching laminated structure.
7. a kind of synchronous magnetic resistance motor rotor as claimed in claim 6, which is characterized in that the equal company of offering on each iron core
Hole is connect, the synchronous magnetic resistance motor rotor further includes connector, and the connector is consolidated each iron core by the connecting hole
It is scheduled on together.
8. a kind of synchronous magnetic resistance motor rotor as claimed in claim 7, which is characterized in that the connecting hole is arranged in adjacent portions
The junction of part.
9. a kind of synchronous magnetic resistance motor rotor as claimed in claim 7, which is characterized in that the connector is rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649675.1A CN110365140B (en) | 2019-07-18 | 2019-07-18 | Synchronous reluctance motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649675.1A CN110365140B (en) | 2019-07-18 | 2019-07-18 | Synchronous reluctance motor rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110365140A true CN110365140A (en) | 2019-10-22 |
| CN110365140B CN110365140B (en) | 2020-12-18 |
Family
ID=68220055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910649675.1A Active CN110365140B (en) | 2019-07-18 | 2019-07-18 | Synchronous reluctance motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110365140B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817481A (en) * | 2020-08-25 | 2020-10-23 | 常州市南方电机有限公司 | Novel explosion-proof synchronous reluctance motor and manufacturing method thereof |
| CN112510869A (en) * | 2020-11-25 | 2021-03-16 | 中车永济电机有限公司 | Novel synchronous reluctance motor rotor |
| CN113078750A (en) * | 2020-01-03 | 2021-07-06 | 哈尔滨理工大学 | Novel synchronous reluctance motor rotor structure |
| CN114337017A (en) * | 2021-12-29 | 2022-04-12 | 安徽皖南新维电机有限公司 | Synchronous reluctance motor rotor punching sheet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203014522U (en) * | 2012-12-17 | 2013-06-19 | 中国电子科技集团公司第二十一研究所 | Synchronous reluctance motor rotor structure |
| WO2015170352A1 (en) * | 2014-05-09 | 2015-11-12 | Tecnomatic S.P.A. | Rotor for a switched or assisted reluctance machine |
| CN204794417U (en) * | 2015-04-24 | 2015-11-18 | 天津市松正电动汽车技术股份有限公司 | Hybrid power system of synchronous reluctance machine rotor and applied this rotor |
| CN109983676A (en) * | 2016-10-07 | 2019-07-05 | 东芝产业机器系统株式会社 | Synchronous reluctance type rotating electric machine |
-
2019
- 2019-07-18 CN CN201910649675.1A patent/CN110365140B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203014522U (en) * | 2012-12-17 | 2013-06-19 | 中国电子科技集团公司第二十一研究所 | Synchronous reluctance motor rotor structure |
| WO2015170352A1 (en) * | 2014-05-09 | 2015-11-12 | Tecnomatic S.P.A. | Rotor for a switched or assisted reluctance machine |
| CN204794417U (en) * | 2015-04-24 | 2015-11-18 | 天津市松正电动汽车技术股份有限公司 | Hybrid power system of synchronous reluctance machine rotor and applied this rotor |
| CN109983676A (en) * | 2016-10-07 | 2019-07-05 | 东芝产业机器系统株式会社 | Synchronous reluctance type rotating electric machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078750A (en) * | 2020-01-03 | 2021-07-06 | 哈尔滨理工大学 | Novel synchronous reluctance motor rotor structure |
| CN111817481A (en) * | 2020-08-25 | 2020-10-23 | 常州市南方电机有限公司 | Novel explosion-proof synchronous reluctance motor and manufacturing method thereof |
| CN112510869A (en) * | 2020-11-25 | 2021-03-16 | 中车永济电机有限公司 | Novel synchronous reluctance motor rotor |
| CN114337017A (en) * | 2021-12-29 | 2022-04-12 | 安徽皖南新维电机有限公司 | Synchronous reluctance motor rotor punching sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110365140B (en) | 2020-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110365140A (en) | A kind of synchronous magnetic resistance motor rotor | |
| CN102223040B (en) | Permanent magnet rotary electric machine | |
| EP3675329B1 (en) | Motor rotor and permanent magnet motor | |
| CN108110980A (en) | Mid-series type has the adjustable flux electric machine of hybrid permanent magnet of passive adjustable magnetic magnetic barrier | |
| EP3598619B1 (en) | Permanent magnet motor | |
| CN103208894B (en) | Automatic start type synchronous magnetic resistance motor and rotor thereof | |
| CN106169822A (en) | Motor and rotor structure thereof | |
| WO2020125066A1 (en) | Tangential motor, motor rotor and rotor core | |
| CN110601481A (en) | Birotor permanent magnet synchronous reluctance motor and configuration method | |
| CN106961174A (en) | Permanent magnet machine rotor and motor | |
| CN108768027A (en) | Rotor and magneto | |
| CN216216145U (en) | Permanent magnet synchronous motor rotor punching sheet structure, rotor and motor thereof | |
| CN206077099U (en) | Motor and its rotor structure | |
| EP3355441B1 (en) | Electric motor and tangential type permanent magnet rotor thereof | |
| CN106451852A (en) | Rotor and permanent magnet motor | |
| CN107425629B (en) | Permanent magnet motor rotor | |
| CN104184284B (en) | Double magnetic circuit asynchronous starting permanent magnet synchronous motor rotor | |
| CN211830364U (en) | Synchronous motor with permanent magnet reluctance hybrid rotor structure | |
| WO2020093773A1 (en) | Motor rotor structure and permanent magnet motor | |
| CN209046391U (en) | Permanent-magnetic synchronous motor rotor with air magnetic barrier | |
| CN208835858U (en) | Rotor and magneto | |
| CN206149052U (en) | Rotor and permanent -magnet machine | |
| CN210007497U (en) | non-rare earth motor rotor structure for new energy automobile | |
| CN209963847U (en) | High-performance permanent magnet synchronous motor rotor with tangential magnetic circuit structure | |
| CN110611386B (en) | Motor rotor, motor and compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |