CN216851488U - Magnetic steel rotor motor with non-magnetic material partition combination - Google Patents
Magnetic steel rotor motor with non-magnetic material partition combination Download PDFInfo
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- CN216851488U CN216851488U CN202123096824.8U CN202123096824U CN216851488U CN 216851488 U CN216851488 U CN 216851488U CN 202123096824 U CN202123096824 U CN 202123096824U CN 216851488 U CN216851488 U CN 216851488U
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Abstract
The utility model relates to a magnet steel rotor motor, in particular to non-magnetic material cuts off magnet steel rotor motor of combination, including rotor (1) and magnet steel (2), magnet steel (2) are the slice magnet steel, magnet steel (2) bond with the surface of rotor (1), still include non-magnetic material and cut off (3), non-magnetic material cuts off (3) and is located between adjacent magnet steel (2), non-magnetic material cuts off the surface bonding of (3) and rotor (1), non-magnetic material cuts off (3) and bonds still between magnet steel (2); engineering plastics or other non-magnetic conducting materials are used as interpolar partitions of permanent magnet steel in the motor rotor, so that the assembly process of the partitioned combined magnetic steel rotor can be easily realized; the highest efficiency and the high-efficiency platform of the motor adopting the separated combined magnetic steel rotor compared with the full-attached magnetic steel rotor motor with the same size are basically the same, the maximum power under the same driving current is basically the same, the product cost performance is high, and the manufacturing cost is lower.
Description
Technical Field
The utility model relates to a magnet steel rotor motor, in particular to non-magnetic material cuts off magnet steel rotor motor who makes up.
Background
The drive of the brushless direct current motor in the prior art usually adopts the design of the surface bonding magnet steel of the rotor part, and the method of bonding the magnet steel is to bond each antipodal magnet steel of the rotor on the circumferential surface of the rotor (hereinafter fully attached) directly in a manner of clinging to the adjacent magnet steel, and the theory of electromagnetism and test data can be proved: because of the interpolar leakage between adjacent magnets, the magnetic flux provided by each antipodal magnet of all the fully attached magnet rotors in the width direction is not uniform, wherein the magnetic flux at the edge part of the magnet is obviously lower than that at the middle part of the magnet due to the interpolar leakage. Therefore, the small size in the width direction of the magnetic steel is reduced, the magnetic steel is separated and replaced by the non-magnetic-conductive material with the same size, the magnetic leakage between the poles of the adjacent magnetic steel is reduced, compared with a full-sticking rotor motor with the same stator and rotor size, the dynamic performance is basically the same, the magnetic steel consumption is obviously reduced, the manufacturing cost of the motor is effectively reduced, and the cost performance of the motor is obviously improved.
Meanwhile, because the magnetic leakage between the magnetic steel poles of the magnetic steel rotor motor combined by the non-magnetic-conductive material partition is reduced, the pole arc coefficient of the electromagnetic structure is changed, the counter electromotive force waveform of the motor during operation is closer to a sine wave, the electromagnetic harmonic wave is reduced, and the electromagnetic noise of the motor during operation is obviously reduced compared with that of a full-contact rotor motor.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the background art, the utility model aims at providing a non-magnetic material cuts off magnet steel rotor motor of combination to solve the problem mentioned in the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a non-magnetic material cuts off magnet steel rotor motor of combination, includes rotor and magnet steel, the magnet steel is the slice magnet steel, the magnet steel bonds with the surface of rotor, still includes the non-magnetic material and cuts off, the non-magnetic material cuts off and is located between the adjacent magnet steel, the non-magnetic material cuts off the surface bonding with the rotor, the non-magnetic material cuts off and bonds still with between the magnet steel.
Preferably, the magnetic circuit breaker further comprises a plurality of breaking installation chains, and the non-magnetic material breaking is connected with the breaking installation chains.
Preferably, the non-magnetic material partition and the partition installation chain may be of an integrally formed structure.
Preferably, the non-magnetic material partition can also be clamped with the magnetic steel.
Preferably, the magnetic steel may be rectangular magnetic steel.
To sum up, the utility model discloses mainly have following beneficial effect:
engineering plastics or other non-magnetic conducting materials are used as interpolar partitions of permanent magnet steel in the motor rotor, so that the assembly process of the partitioned combined magnetic steel rotor can be easily realized;
the highest efficiency and the high-efficiency platform of the motor adopting the separated combined magnetic steel rotor compared with the full-attached magnetic steel rotor motor with the same size are basically the same, and the maximum power under the same driving current is also basically the same; the requirement of traction power performance of the electric vehicle can be met through electromagnetic design under the conditions of the same current limiting and the same rotating speed; the cost performance is high, and the manufacturing cost is lower.
Meanwhile, compared with a motor fully attached with a magnetic steel rotor, the motor adopting the partition combined magnetic steel rotor has the advantage that the electromagnetic noise is obviously reduced when the motor runs.
Drawings
Fig. 1 is a schematic structural view of a magnetic steel rotor motor with a non-magnetic material partition combination according to the present invention;
FIG. 2 is a partially enlarged schematic view of the non-magnetic material partition and the magnetic steel of the present invention;
fig. 3 is a schematic structural diagram of the magnetic steel of the present invention;
FIG. 4 is a schematic view of the assembly of the magnetic steel and the partition mounting chain of the present invention;
fig. 5 is an assembly view of the partition mounting chain of the present invention.
Reference numerals: 1. a rotor; 2. magnetic steel; 3. separating the non-magnetic conductive material; 4. and (5) installing the chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, when concrete implementation, the utility model discloses a non-magnetic material cuts off magnet steel rotor motor of combination, including rotor 1 and magnet steel 2, magnet steel 2 is the rectangle piece magnet steel, magnet steel 2 still cuts off 3 including non-magnetic material with rotor 1's surface bonding, and non-magnetic material cuts off 3 and can adopt engineering plastics or other non-magnetic material to cut off as the interelectrode of the magnet steel 2 of motor rotor permanent magnet, can effectively reduce the interelectrode magnetic leakage of adjacent magnet steel, and a small amount of compensations are because it reduces (the magnetic flux descends) to increase the magnet steel magnetic flux sectional area that interelectrode cuts off and leads to, obviously practice thrift rotor magnet steel quantity simultaneously, reduce the manufacturing cost of motor. Meanwhile, because the pole arc coefficient of the magnetic steel rotor motor electromagnetic structure combined by the non-magnetic material partition is changed, the counter electromotive force waveform of the motor during operation is closer to a sine wave, the electromagnetic harmonic wave is reduced, and the electromagnetic noise of the motor during operation is obviously reduced compared with that of a full-contact rotor motor; the non-magnetic material partition 3 is positioned between the adjacent magnetic steels 2, the non-magnetic material partition 3 is bonded with the surface of the rotor 1, and the non-magnetic material partition 3 is also bonded with the magnetic steels 2; the magnetic separation device further comprises a plurality of installation chains 4, and the non-magnetic material partition pieces 3 are connected with the installation chains 4; non-magnetic conductive material cuts off 3 and installation chain 4 can be integrated into one piece structure, specifically can be chain structure, when specifically installing, install magnet steel 2 on installation chain 4 earlier, and magnet steel 2 cuts off 3 between the joint with adjacent non-magnetic conductive material respectively, the coating is connected gluey on magnet steel 2's lateral wall in the joint, guarantee the fastness of connecting, the coating is connected gluey on the connection face of taking magnet steel 2's installation chain 4 and rotor 1 simultaneously, and bond between the rotor inner wall, according to actual performance and production needs, magnet steel 2 is the rectangle magnet steel usually.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a non-magnetic material cuts off magnet steel rotor motor of combination, includes rotor (1) and magnet steel (2), magnet steel (2) are the slice magnet steel, the surface bonding of magnet steel (2) and rotor (1), its characterized in that: the rotor is characterized by further comprising a non-magnetic material partition (3), wherein the non-magnetic material partition (3) is located between the adjacent magnetic steels (2), the non-magnetic material partition (3) is bonded with the surface of the rotor (1), and the non-magnetic material partition (3) is further bonded with the magnetic steels (2).
2. The non-magnetic permeable material partition combined magnetic steel rotor motor according to claim 1, wherein: the magnetic separation device is characterized by further comprising a plurality of separation mounting chains (4), wherein the non-magnetic material separation devices (3) are connected with the separation mounting chains (4).
3. A non-magnetic material partition assembled magnetic steel rotor electric machine as claimed in claim 2, wherein: the non-magnetic material partition (3) and the partition installation chain (4) can be of an integrally formed structure.
4. The non-magnetic permeable material partition combined magnetic steel rotor motor according to claim 1, wherein: the non-magnetic material partition (3) can also be clamped with the magnetic steel (2).
5. The non-magnetic permeable material partition combined magnetic steel rotor motor according to claim 1, wherein: the magnetic steel (2) can be rectangular magnetic steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096824.8U CN216851488U (en) | 2021-12-10 | 2021-12-10 | Magnetic steel rotor motor with non-magnetic material partition combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096824.8U CN216851488U (en) | 2021-12-10 | 2021-12-10 | Magnetic steel rotor motor with non-magnetic material partition combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216851488U true CN216851488U (en) | 2022-06-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123096824.8U Active CN216851488U (en) | 2021-12-10 | 2021-12-10 | Magnetic steel rotor motor with non-magnetic material partition combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216851488U (en) |
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2021
- 2021-12-10 CN CN202123096824.8U patent/CN216851488U/en active Active
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