CN221240235U - Double-rotor multi-armature winding stator brushless motor - Google Patents
Double-rotor multi-armature winding stator brushless motor Download PDFInfo
- Publication number
- CN221240235U CN221240235U CN202322004265.6U CN202322004265U CN221240235U CN 221240235 U CN221240235 U CN 221240235U CN 202322004265 U CN202322004265 U CN 202322004265U CN 221240235 U CN221240235 U CN 221240235U
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- rotor
- base
- outer rotor
- armature winding
- magnets
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- 238000004804 winding Methods 0.000 title claims abstract description 57
- 230000009977 dual effect Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 2
- 230000005672 electromagnetic field Effects 0.000 abstract description 11
- 239000010410 layer Substances 0.000 description 10
- 239000000696 magnetic material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- Permanent Magnet Type Synchronous Machine (AREA)
- Brushless Motors (AREA)
Abstract
The utility model relates to the technical field of brushless motors and discloses a double-rotor multi-armature-winding stator brushless motor, which comprises a base, wherein a stator and a rotor are arranged on the base, the stator is a plurality of armature windings, the rotor comprises an inner rotor and an outer rotor, the circle centers of the inner rotor and the outer rotor are concentric, the inner rotor and the outer rotor are fixedly arranged on a shaft rod, the shaft rod is fixedly arranged on the base through a first bearing, the armature windings are positioned between the inner rotor and the outer rotor, the armature windings are enclosed into a circle, the armature windings are fixedly arranged on the base, a plurality of inner rotor magnets are arranged on the outer wall of the inner rotor, a plurality of outer rotor magnets are arranged on the inner wall of the outer rotor, and the magnetic poles of the outer rotor magnets are opposite to the magnetic poles of the inner rotor magnets. The double-rotor multi-armature winding stator brushless motor effectively utilizes the electromagnetic fields of the inner layer and the outer layer, increases the rotation moment of the motor, and greatly improves the working efficiency.
Description
Technical Field
The utility model relates to the technical field of brushless motors, in particular to a double-rotor multi-armature-winding stator brushless motor.
Background
At present, the existing brushless motor has two structures, a coil is arranged on the inner layer of a stator, a coil is arranged on the outer layer of the stator, and the structure is single. The stator coils use only the inner electromagnetic field or the outer single layer electromagnetic field, one of which is not used, and therefore the efficiency is very low. Therefore, there is a need for a dual rotor multiple armature winding stator brushless motor that improves operating efficiency.
Disclosure of Invention
The utility model aims at overcoming the defects of the technology, and provides a double-rotor multi-armature winding stator brushless motor, which effectively utilizes the electromagnetic fields of the inner layer and the outer layer, increases the rotation moment of the motor and greatly improves the working efficiency.
In order to achieve the above purpose, the double-rotor multi-armature winding stator brushless motor comprises a base, wherein a stator and a rotor are arranged on the base, the stator is a plurality of armature windings, the rotor comprises an inner rotor and an outer rotor, the circle centers of the inner rotor and the outer rotor are concentric, the inner rotor and the outer rotor are fixedly arranged on a shaft rod, the shaft rod is fixedly arranged on the base through a first bearing, the armature windings are arranged between the inner rotor and the outer rotor, the armature windings are enclosed into a circle, the armature windings are fixedly arranged on the base, a plurality of inner rotor magnets are arranged on the outer wall of the inner rotor, a plurality of outer rotor magnets are arranged on the inner wall of the outer rotor, and the magnetic poles of the outer rotor magnets and the magnets on the opposite sides of the inner rotor magnets are opposite.
Preferably, the number of the inner rotor magnets is equal to the number of the outer rotor magnets, and the outer rotor magnets and the inner rotor magnets are arranged in a one-to-one correspondence manner
Preferably, the armature winding is fixed on the base through a screw rod made of non-magnetic material for punching, and the base is made of non-magnetic material.
Preferably, a casing covering the outer rotor and the base is arranged outside the outer rotor, so that the brushless motor is safe and reliable in working operation.
Preferably, a mounting bearing is arranged between the outer rotor and the casing, so that the running reliability of the brushless motor is improved.
Preferably, a gap is left between two adjacent armature windings.
Preferably, the outer rotor and the inner rotor are directly connected into a whole and then fixed on the shaft rod.
Preferably, a cooling fan is arranged at one end of the shaft lever away from the base.
Preferably, the base is provided with a base heat dissipation hole.
Preferably, the shell is provided with a shell heat dissipation hole.
Compared with the prior art, the utility model has the following advantages: the electromagnetic fields of the inner layer and the outer layer are effectively utilized, the rotation moment of the motor is increased, and the working efficiency is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a dual-rotor multiple-armature winding stator brushless motor according to the present utility model;
fig. 2 is an enlarged view of the armature winding of fig. 1;
fig. 3 is a cross-sectional view of the inner rotor and the outer rotor of fig. 2.
The reference numerals of the components in the drawings are as follows:
Base 1, armature winding 2, inner rotor 3, outer rotor 4, axostylus axostyle 5, first bearing 6, inner rotor magnet 7, outer rotor magnet 8, screw rod 9, casing 10, installation bearing 11, radiator fan 12, base louvre 13, casing louvre 14.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples. As shown in fig. 1, fig. 2 and fig. 3, a double-rotor multi-armature winding stator brushless motor comprises a base 1, wherein a stator and a rotor are installed on the base 1, the stator is a plurality of armature windings 2, the rotor comprises an inner rotor 3 and an outer rotor 4, the circle centers of the inner rotor 3 and the outer rotor 4 are concentric, the inner rotor 3 and the outer rotor 4 are fixedly installed on a shaft rod 5, the shaft rod 5 is fixedly installed on the base 1 through a first bearing 6, the armature windings 2 are located between the inner rotor 3 and the outer rotor 4, the armature windings 2 are enclosed into a circle, the armature windings 2 are fixedly installed on the base 1, a plurality of inner rotor magnets 7 are arranged on the outer wall of the inner rotor 3, a plurality of outer rotor magnets 8 are arranged on the inner wall of the outer rotor 4, and the magnetic poles of the outer rotor magnets 8 and the magnets 7 on opposite sides of the inner rotor magnets are opposite.
As shown in fig. 2, the armature winding 2 is fixed to the base 1 by a screw 9 made of a non-magnetic material for punching, and the base 1 is made of a non-magnetic material.
The outer rotor 4 is provided with a housing 10 for housing the outer rotor 4 and the base 1, and a mounting bearing 11 is provided between the outer rotor 4 and the housing 10.
In this embodiment, a gap is left between two adjacent armature windings 2.
In this embodiment, the outer rotor 4 and the inner rotor 3 are directly joined together and then fixed to the shaft 5.
Finally, the end of the shaft lever 5 far away from the base 1 is provided with a cooling fan 12, the base 1 is provided with a base cooling hole 13, and the shell 10 is provided with a shell cooling hole 14, which is beneficial to cooling of the motor.
When the embodiment is used, the armature winding 2 is electrified, electromagnetic fields are generated at two ends of the armature winding 2, the inner magnetic poles and the outer magnetic poles are opposite, the inner rotor magnet 7 and the outer rotor magnet 8 cater for the inner electromagnetic field and the outer electromagnetic field of the armature winding 2, and acting force is generated to enable the rotor to rotate.
Specifically, one armature winding 2 is electrified to generate magnetic force so that the inner rotor magnet 7 and the outer rotor magnet 8 on one side are attracted to drive the inner rotor 3 and the outer rotor 4 to rotate, the next armature winding 2 is electrified in time after the armature winding rotates to a balance position, and the magnetic pole direction of the armature winding 2 and the magnetic pole direction of the inner rotor magnet 7 and the magnetic pole direction of the outer rotor magnet 8 are always in the mutual attraction positions, so that the inner rotor 3 and the outer rotor 4 can be continuously attracted to rotate, and the armature winding 2 can be continuously and circularly electrified in sequence to realize the continuous rotation of the rotor.
In this embodiment, since the electromagnetic field magnetic poles generated by the inner layer and the outer layer of the armature winding 2 are opposite, the electromagnetic field of the armature winding 2 is met by the inner rotor 3, the outer rotor 4, the inner rotor magnet 7 and the outer rotor magnet 8 arranged above, the continuous rotation of the motor can be controlled by reasonably controlling the energizing sequence of the armature winding 2, meanwhile, the adjacent armature windings 2 have current, the attractive force is generated by one armature winding 2, and the repulsive force is generated by the other armature winding 2, so that the rotation moment can be doubled.
In other embodiments, the number of the inner rotor magnets 7 is equal to the number of the outer rotor magnets 8, and the outer rotor magnets 8 and the inner rotor magnets 7 are arranged in a one-to-one correspondence manner, so that the stability of the motor is improved.
The double-rotor multi-armature winding stator brushless motor effectively utilizes the electromagnetic fields of the inner layer and the outer layer, increases the rotation moment of the motor, and greatly improves the working efficiency.
Claims (8)
1. The utility model provides a birotor multi-armature winding stator brushless motor, includes base (1), install stator and rotor on base (1), its characterized in that: the stator is a plurality of armature windings (2), the rotor comprises an inner rotor (3) and an outer rotor (4), the centers of the circles of the inner rotor (3) and the outer rotor (4) are concentric, the inner rotor (3) and the outer rotor (4) are fixedly arranged on a shaft rod (5), the shaft rod (5) is fixedly arranged on the base (1) through a first bearing (6), the armature windings (2) are all arranged between the inner rotor (3) and the outer rotor (4), the armature windings (2) are enclosed into a circle, the armature windings (2) are fixedly arranged on the base (1), a plurality of inner rotor magnets (7) are arranged on the outer wall of the inner rotor (3), a plurality of outer rotor magnets (8) are arranged on the inner wall of the outer rotor (4), and the magnetic poles of the outer rotor magnets (8) and the inner rotor magnets (7) are opposite to the side magnets;
The number of the inner rotor magnets (7) is equal to that of the outer rotor magnets (8), and the outer rotor magnets (8) and the inner rotor magnets (7) are arranged in a one-to-one correspondence manner;
The armature winding (2) is fixedly penetrated on the base (1) through a screw rod (9) made of non-magnetic-conductive materials for punching, and the base (1) is made of the non-magnetic-conductive materials.
2. The dual rotor, multiple armature winding stator brushless motor of claim 1, wherein: and a shell (10) for covering the outer rotor (4) and the base (1) is arranged outside the outer rotor (4).
3. The dual rotor, multiple armature winding stator brushless motor of claim 2, wherein: and a mounting bearing (11) is arranged between the outer rotor (4) and the shell (10).
4. The dual rotor, multiple armature winding stator brushless motor of claim 1, wherein: a gap is reserved between two adjacent armature windings (2).
5. The dual rotor, multiple armature winding stator brushless motor of claim 1, wherein: the outer rotor (4) and the inner rotor (3) are directly connected into a whole and then fixed on the shaft lever (5).
6. The dual rotor, multiple armature winding stator brushless motor of claim 1, wherein: and a cooling fan (12) is arranged at one end, far away from the base (1), of the shaft lever (5).
7. The dual rotor, multiple armature winding stator brushless motor of claim 1, wherein: the base (1) is provided with base heat dissipation holes (13).
8. The dual rotor, multiple armature winding stator brushless motor of claim 2, wherein: the shell (10) is provided with a shell radiating hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322004265.6U CN221240235U (en) | 2023-07-27 | 2023-07-27 | Double-rotor multi-armature winding stator brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322004265.6U CN221240235U (en) | 2023-07-27 | 2023-07-27 | Double-rotor multi-armature winding stator brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221240235U true CN221240235U (en) | 2024-06-28 |
Family
ID=91594602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322004265.6U Active CN221240235U (en) | 2023-07-27 | 2023-07-27 | Double-rotor multi-armature winding stator brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221240235U (en) |
-
2023
- 2023-07-27 CN CN202322004265.6U patent/CN221240235U/en active Active
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