CN207320978U - A kind of distribution composite excitation type motor rotor construction - Google Patents
A kind of distribution composite excitation type motor rotor construction Download PDFInfo
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- CN207320978U CN207320978U CN201721372090.2U CN201721372090U CN207320978U CN 207320978 U CN207320978 U CN 207320978U CN 201721372090 U CN201721372090 U CN 201721372090U CN 207320978 U CN207320978 U CN 207320978U
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Abstract
The utility model discloses a kind of distributed composite excitation type motor rotor construction, including rotor core and multiple permanent magnets, and multiple permanent magnets, which are matched somebody with somebody, is combined into one group；Every group of permanent magnet includes V-arrangement magnet pair and U magnet pair, and the V-arrangement magnet is to the first permanent magnet including being symmetrical arranged and V-arrangement is distributed；The U magnet to including with V-arrangement magnet to the second permanent magnet arranged in parallel, and the orthogonal three permanent magnet of symmetrical plane with V-arrangement magnet pair；The opening direction of the V-arrangement and U magnet pair is the side for being directed away from rotor core center.The magnet of the utility model is divided into two layers, and the distribution in magnetic field can be adjusted；The Distribution of Magnetic Field waveform of sine wave can be effectively formed；V-arrangement, to different permanent-magnet materials can be used to make, by artificially combining, integral rotor is controlled in cost or efficiency from U magnet；The structure forms a binary channels, by increasing capacitance it is possible to increase the torque of motor and power, bring up to more than 3 times weak magnetic multiplying powers.
Description
Technical field
It the utility model is related to motor device field, more particularly to a kind of rotor structure of motor.
Background technology
In permanent magnet type motor, the Surface Magnet construction that permanent magnet is sticked on the surface of rotor is roughly divided into
Motor (SPMM：Surface Permanent Magnet Motor), and burying the inside of permanent magnetic baried rotor
Enter the motor (IPMM of magnet construction：Interior Permanent Magnet Motor).
It is existing generally to use U/W types magnet arrangement or arc-shaped magnet structure, all it is single magnetic structure, this structure is consolidated
It is fixed, complete sine wave magnetic circuit distribution can not be formed, leakage field is serious, and magnetic torque is small, so as to cause that whole electricity cannot be improved
The output power of machine, and the magnet of this structure need to be made using same material, ensures Distribution of Magnetic Field stability.
It is known as weak-magnetic speed-regulating by varying the mode of exciting current speed governing, the rotating speed of motor is directly proportional to armature voltage, with magnetic flux into anti-
Than existing weak-magnetic speed-regulating multiplying power can only achieve 1~2 times, can not meet for the bigger motor of running speed scope
Expansion speed requirement.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of rotor that Distribution of Magnetic Field adjustment is carried out using permanent magnet
Structure.
It is achieved through the following technical solutions above-mentioned purpose：
A kind of distribution composite excitation type motor rotor construction, including rotor core and multiple permanent magnets, the rotor
There are multiple mounting grooves, the permanent magnet is respectively arranged in the multiple mounting groove, and multiple permanent magnets are matched somebody with somebody on iron core
One group is combined into, every group of permanent magnet is consistent with the centre distance of rotor core；Every group of permanent magnet includes V-arrangement magnet pair and U-shaped magnetic
Iron pair, the V-arrangement magnet to including be symmetrical arranged on symmetrical plane where rotor core center and V-arrangement distribution first forever
Magnet, the opening direction of V-arrangement magnet pair are the side for being directed away from rotor core center；The U magnet is to including and V-arrangement
Magnet is to the second permanent magnet arranged in parallel, and the 3rd be arranged in a mutually vertical manner with the symmetrical plane of V-arrangement magnet pair is forever
Magnet, the opening direction of U magnet pair are the side for being directed away from rotor core center, the U magnet pair and rotor iron
The distance at core center is less than V-arrangement magnet pair and the distance at rotor core center.
Further described as to a kind of above-mentioned distributed composite excitation type motor rotor construction, each group permanent magnet on
The axis axial symmetry of rotor core is set.
Further described as to a kind of above-mentioned distributed composite excitation type motor rotor construction, the permanent magnet material
Matter is ferrite or neodymium iron boron or soft magnetic material.
Further described as to a kind of above-mentioned distributed composite excitation type motor rotor construction, the V-arrangement magnet
To the cavity end and rotor core outer edge, U magnet at place to the cavity end at place and the outer peripheral magnetic of rotor core
Bridge thickness is 0.2-2.5MM.
Further described as to a kind of above-mentioned distributed composite excitation type motor rotor construction, the V-arrangement magnet
To angle be 20-180 degree (not including 180 degree).
It is further described as to above-mentioned V-arrangement magnet pair, the angle of the V-arrangement magnet pair is preferably 30-150
Degree.
The beneficial effects of the utility model are：1. the magnet of a structure is divided into two layers, the distribution in magnetic field can be adjusted
Section；2. the Distribution of Magnetic Field waveform of output sine wave can be corresponded to effectively, 3.V shapes are from U magnet to that can use different materials
Material makes, and as needed, the quality of integral rotor is controlled in cost or efficiency by artificially combining；4. the magnetic circuit of a structure
Formed a binary channels, it can increase the torque of motor, improve the output power of motor so that torque force bring up to it is general
More than 1.5 times.5. weaken main pole magnetic flux Φ speed governing, rotating speed and can the multiplying power of weak magnetic increase to more than 3 times.
Brief description of the drawings
Fig. 1 is the cross section structure figure of the utility model.
Embodiment
The utility model is further described below：
With reference to Fig. 1, embodiment one：
A kind of distribution composite excitation type motor rotor construction, including rotor core 4 and multiple permanent magnets, the rotor
There are multiple mounting grooves, the permanent magnet is respectively arranged in the multiple mounting groove, and multiple permanent magnets are matched somebody with somebody on iron core
One group is combined into, every group of permanent magnet is consistent with the centre distance of rotor core；Every group of permanent magnet includes V-arrangement magnet to 1 and U-shaped magnetic
Iron pair, the V-arrangement magnet to including be symmetrical arranged on symmetrical plane where rotor core center and V-arrangement distribution first forever
Magnet, the opening direction of V-arrangement magnet pair are the side for being directed away from rotor core center；The U magnet is to including and V-arrangement
Magnet is to the second permanent magnet 2 arranged in parallel, and the 3rd be arranged in a mutually vertical manner with the symmetrical plane of V-arrangement magnet pair is forever
Magnet 3, the opening direction of U magnet pair are the side for being directed away from rotor core center, the U magnet pair and rotor iron
The distance at core center is less than V-arrangement magnet pair and the distance at rotor core center.
Further described as to a kind of above-mentioned distributed composite excitation type motor rotor construction, each group permanent magnet on
The axis axial symmetry of rotor core is set.
Further described as to a kind of above-mentioned distributed composite excitation type motor rotor construction, the permanent magnet material
Matter is ferrite or neodymium iron boron or soft magnetic material.
Further described as to a kind of above-mentioned distributed composite excitation type motor rotor construction, the V-arrangement magnet
To the cavity end and rotor core outer edge, U magnet at place to the cavity end at place and the outer peripheral magnetic of rotor core
Bridge thickness is preferably all 0.2-2.5MM.
Further described as to a kind of above-mentioned distributed composite excitation type motor rotor construction, the V-arrangement magnet
To angle be 20-180 degree (not including 180 degree).
Embodiment two：
For above-mentioned V-arrangement magnet pair, its angle is preferably designed as 30-150 degree, and V-arrangement magnet is to the cavity at place
End and rotor core outer edge, U magnet are then preferred to the cavity end at place and the outer peripheral magnetic bridge thickness of rotor core
For 0.3-2MM.And other features are then identical with embodiment one, it is not repeated to describe herein.
The above is not limit the technical scope of the present invention, all according to the utility model technical spirit
Any modification, equivalent variations and the modification that embodiment to more than is made, still fall within the model of the technical solution of the utility model
In enclosing.
Claims (6)
1. a kind of distribution composite excitation type motor rotor construction, including rotor core and multiple permanent magnets, the rotor iron
There are multiple mounting grooves, the permanent magnet is respectively arranged in the multiple mounting groove on core, it is characterised in that：Described in multiple
For permanent magnet with being combined into one group, every group of permanent magnet is consistent with the centre distance of rotor core；Every group of permanent magnet includes V-arrangement magnet pair
With U magnet pair, the V-arrangement magnet on symmetrical plane where rotor core center to including being symmetrical arranged and V-arrangement is distributed
The first permanent magnet, the opening direction of V-arrangement magnet pair is the side for being directed away from rotor core center；The U magnet pair
Including being arranged in a mutually vertical manner with V-arrangement magnet to the second permanent magnet arranged in parallel, and with the symmetrical plane of V-arrangement magnet pair
Three permanent magnet, the opening direction of U magnet pair is the side for being directed away from rotor core center, the U magnet pair
It is less than V-arrangement magnet pair and the distance at rotor core center with the distance at rotor core center.
A kind of 2. distributed composite excitation type motor rotor construction according to claim 1, it is characterised in that：Each group permanent magnetism
Body is set on the axis axial symmetry of rotor core.
A kind of 3. distributed composite excitation type motor rotor construction according to claim 1, it is characterised in that：It is described forever
Magnet material is ferrite or neodymium iron boron or soft magnetic material.
A kind of 4. distributed composite excitation type motor rotor construction according to claim 1, it is characterised in that：The V
Shape magnet is to the cavity end at place with rotor core outer edge, U magnet to the cavity end at place and rotor core outside
The magnetic bridge thickness of edge is 0.2-2.5MM.
A kind of 5. distributed composite excitation type motor rotor construction according to claim 1, it is characterised in that：The V
The angle of shape magnet pair is 20-180 degree.
A kind of 6. distributed composite excitation type motor rotor construction according to claim 5, it is characterised in that：The V
The angle of shape magnet pair is 30-150 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721372090.2U CN207320978U (en) | 2017-10-24 | 2017-10-24 | A kind of distribution composite excitation type motor rotor construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721372090.2U CN207320978U (en) | 2017-10-24 | 2017-10-24 | A kind of distribution composite excitation type motor rotor construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207320978U true CN207320978U (en) | 2018-05-04 |
Family
ID=62381977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721372090.2U Active CN207320978U (en) | 2017-10-24 | 2017-10-24 | A kind of distribution composite excitation type motor rotor construction |
Country Status (1)
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| CN (1) | CN207320978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194078A (en) * | 2018-09-21 | 2019-01-11 | 东南大学 | A kind of bilayer permanent magnetism composite magnetic circuit memory electrical machine |
| WO2020191815A1 (en) * | 2019-03-28 | 2020-10-01 | 东南大学 | Series magnetic circuit-type double-layer hybrid permanent magnet memory motor |
-
2017
- 2017-10-24 CN CN201721372090.2U patent/CN207320978U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194078A (en) * | 2018-09-21 | 2019-01-11 | 东南大学 | A kind of bilayer permanent magnetism composite magnetic circuit memory electrical machine |
| CN109194078B (en) * | 2018-09-21 | 2020-04-24 | 东南大学 | Double-layer permanent magnet composite magnetic circuit memory motor |
| WO2020191815A1 (en) * | 2019-03-28 | 2020-10-01 | 东南大学 | Series magnetic circuit-type double-layer hybrid permanent magnet memory motor |
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