CN106941286A - Four groups of three power supply external rotor permanent magnet motor - Google Patents
Four groups of three power supply external rotor permanent magnet motor Download PDFInfo
- Publication number
- CN106941286A CN106941286A CN201710360070.1A CN201710360070A CN106941286A CN 106941286 A CN106941286 A CN 106941286A CN 201710360070 A CN201710360070 A CN 201710360070A CN 106941286 A CN106941286 A CN 106941286A
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- groups
- permanent magnet
- power supply
- magnet motor
- stator
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Links
- 238000004804 winding Methods 0.000 claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 102200082907 rs33918131 Human genes 0.000 claims description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 2
- PXAWCNYZAWMWIC-UHFFFAOYSA-N [Fe].[Nd] Chemical compound [Fe].[Nd] PXAWCNYZAWMWIC-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The present invention relates to electric motors, specifically 4 groups three power supply external rotor permanent magnet motor.Including stator assembly and rotor assembly；Armature winding is 4 groups, is energized by 4 groups of three phase supplies；Every group of armature winding is drawn 3 lead-out wires by fairlead respectively and is connected with A-battery group；4 groups of three phase supplies are connected using parallel way with A-battery group.By the design of 4 groups of three phase supplies, the electric current of armature winding is reduced；Meanwhile, motor has under conditions of 4 power amplifier boards, at least one power amplifier board energy normal work, motor still can low power run, improve the stability of motor.
Description
Technical field
The present invention relates to electric motors, specifically four groups three power supply external rotor permanent magnet motor.
Background technology
Motor applications field is quite varied, and according to different actual demands, the species of motor, model are various.But
Under the application conditions for being related to some emerging fields, specific environment, special operation condition, although existing motor can complete to appoint
Business, but has many unstable, uneasy congruent factors.
For example, certain autonomous underwater vehicle project, according to practical application request, it is necessary to powered by A-battery group.Simultaneously in choosing
In the parameter of type motor, corresponding standard is also reached.Due to the limitation of cell voltage, if choosing common permanent-magnet electric
Machine, is energized using 1 group of three-phase windings for motor, it is difficult to meet the design requirement of A-battery group.Can even reach makes
Demand, then in order to ensure corresponding motor parameter, would have to improve the electric current of motor.Excessive electric current application
Into autonomous underwater vehicle, the unstability of motor, even autonomous underwater vehicle can be increased；And in order to ensure the smooth reality of the project
Test, apply, it is necessary to increase a variety of guarantees, monitoring means, causing the overall cost of autonomous underwater vehicle increases.
Accordingly, it would be desirable to design a under A-battery group condition of power supply, the motor of actual demand can adapt to, it is desirable to
Motor excludes the factors of instability as caused by electric current is excessive as far as possible, total demand to practical application motor, into
This requirement is smaller.
The content of the invention
In order to solve the technical problem in the prior art, existed, the present invention puts forward a kind of improved permanent magnet motor.
Technical scheme is as follows：
4 groups of three power supply external rotor permanent magnet motor, including stator assembly and rotor assembly；
The stator module includes the stator support with outer circumference surface, the stator iron being centered around on the outer circumference surface of stator support
Core, the axle of tubulose, on stator core mean array multiple armature winding；
The center of circle and axle that the axial line of the axle is supported perpendicular to stator are fixedly connected with stator support, and the middle part of axle has outlet
Hole, the exit of armature winding is connected by lead-out wire through wire hole with A-battery group；
The rotor assembly includes bearing, the rotor case with inner periphery, the rotor core of toroidal, is centered around rotor iron
The multiple magnet steel being fixedly installed on the inner periphery of core；
It is described to be stator assembly and rotor assembly flexibly connected respectively by axle and bearing；
The armature winding is 4 groups, is energized by 4 groups of three phase supplies；
Every group of armature winding is drawn 3 lead-out wires by fairlead respectively and is connected with A-battery group；
4 groups of three phase supplies are connected using parallel way with A-battery group.
The present invention has advantages below：
1, by the design of 4 groups of three phase supplies, the electric current of armature winding is reduced, the stability of motor is improved.
2, motor has under conditions of 4 power amplifier boards, at least one power amplifier board energy normal work, and motor still can
Enough low power runs, improve the stability of motor.
3, technical scheme is simple and reliable for structure, low cost of manufacture, it is easy to large-scale promotion.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the present invention.
Fig. 2 is the side structure schematic view of the present invention.
Fig. 3 is 4 groups of three phase supply circuit diagrams of the present invention.
Fig. 4 is the rotor structure schematic diagram of the present invention.
Fig. 5 is the armature winding structure schematic diagram of the present invention.
Wherein, 1, stator support, 2, stator core, 3, axle, 4, armature winding, 5, wire hole, 6, rotor, 7, outside rotor
Shell, 8, rotor core, 9, magnet steel, 10, bearing.
Embodiment
The present invention is illustrated with reference to the accompanying drawings and examples.
Embodiment 1：
4 groups of three power supply external rotor permanent magnet motor, including stator assembly and rotor assembly.
The stator module includes the stator support with outer circumference surface, is wound on determining on the outer circumference surface of stator support outside
Sub- iron core, the axle of tubulose, on stator core mean array multiple armature winding；The axial line of the axle is perpendicular to stator branch
The center of circle of support and axle is fixedly connected with stator support, the middle part of axle has wire hole, and the exit of armature winding passes through lead-out wire
It is connected through wire hole with A-battery group；The rotor assembly includes bearing, the rotor case with inner periphery, toroidal
Rotor core, be centered around the multiple magnet steel being fixedly installed on the inner periphery of rotor core；It is described stator assembly and rotor assembly
It is flexibly connected respectively by axle and bearing；The armature winding is 4 groups, is energized by 4 groups of three phase supplies；Every group of armature winding
3 lead-out wires are drawn by fairlead respectively to be connected with A-battery group；4 groups of three phase supplies use parallel way and low pressure
Battery pack is connected.
Selection external rotor permanent magnet motor is used as improved basis, on the one hand, external rotor permanent magnet motor is special at some
It is adapted to application in field, especially there is many phase series, the slow-speed of revolution, high torque (HT), on the other hand, external rotor permanent magnet is electronic
Machine also has the advantages that energy-conservation, efficient, meanwhile, also allow for maintenance.
Together with the axle of motor and stator core are supported and fixed on by stator, the axle that the rotor of motor passes through axle two ends
Hold positioning uniform to ensure the air gap between stator, rotor.
In the power supply environment of A-battery group, motor power parameter is met under conditions of demand, enhancing motor
Stability is the problem of having to solve.Wherein, primary the problem of be solve motor current value it is larger the problem of.
In order to solve in the technical problem, the technical scheme of the present embodiment, 4 groups of three phase supplies are devised, pass through parallel connection
Mode, reduces the electric current of each armature winding lead-out wire, while also reducing the pressure of motor power (output) plate, improves electricity
The stability of motivation work.
Each group of three phase supply, one group of armature winding of correspondence, therefore the conceptual design of the present embodiment is 4 groups of armature winding.
Each group of armature winding has three lead-out wires, is drawn by fairlead；4 groups of armature winding have 12 lead-out wires.
In order to meet the design requirement of certain autonomous underwater vehicle, further, by 4 groups three external rotor permanent magnet motor of powering
It is designed as：52 numbers of poles, 48 slot numbers；Each group of armature winding three is altogether around 12 around tooth, and 4 groups three altogether around 48 around tooth.
Under conditions of power output is not changed, the number of poles of motor is more, and the moment of torsion of motor is bigger, can be adapted to certain
The design requirement of autonomous underwater vehicle.
Further, in 4 groups of armature winding, U1, U2, U3 and U4 have same power supplies phase；Similarly, V1, V2, V3, V4
Or W1, W2, W3, W4 equally have same power supplies phase；
Because each group of armature winding three-phase is altogether around 12 around tooth, therefore, by the coil of the same-phase in each group using in parallel
Mode exit is joined together, i.e.,：In each group of armature winding：The exit of 4 U1 coils is in parallel, similarly, 4
U2 ... or 4 V2 or 4 V3 ... or 4 W3 or 4 W4 coil exit is in parallel, and the exit after parallel connection with it is every
The lead-out wire connection of item.
Meanwhile, U1, U2, U3 and U4 continuous arrangement counterclockwise on the excircle of stator core as a coil group；Together
Reason, V1, V2, V3 and V4 are as a coil group and W1, W2, W3 and W4 as a coil group in the cylindrical of stator core
Continuous arrangement counterclockwise on week；Each coil group is spaced counterclockwise on the excircle of stator core.
Relative to the mode that each group is concentrated to arrangement with phase sequence coil, the method for the arrangement of this coil can eliminate electronic
Machine is under the inwhole electric power thus supplieds of 4 groups of power supplys, the unbalanced magnetic pull between motor stator, rotor.
Certain autonomous underwater vehicle is designed as 52 numbers of poles, therefore by 52 numbers of poles is 26 N poles and 26 S poles, and N poles and S poles exist
It is spaced on the inner periphery of rotor core, i.e. N-S-N-S ... circumferential arrangement.
In order to coordinate the design of 4 groups of three phase supplies, further, also including 4 power amplifier boards, the extraction of every group of armature winding
Line connects a power amplifier board respectively.Due to there is 4 power amplifier boards, even some power amplifier board breaks down, other power amplifier boards
Still being capable of normal work, i.e. even if in the case that only 1 group armature winding of motor is powered, can still maintain low-power to transport
OK, whole drive system, the stability of motor are further improved.
Also include 4 inverters, every group of armature winding is connected by an inverter with A-battery group.
Motor is powered by 36V batteries, nominal torque 400Nm, rated power 5kW, peak torque 900Nm.
A-battery group described in the present embodiment can be excellent using the different battery pack of voltage class of the prior art
Choosing is 36V battery packs.
Magnet steel described in the present embodiment can be made of magnetic material of the prior art, preferably by N50SH neodymium iron
B permanent magnetic material is made.
Rotor core described in the present embodiment can be made of multiple material of the prior art, preferably by S10C
Low-carbon steel material is made.
Bearing described in the present embodiment can use a variety of water-sealed bearings of the prior art, be preferable to waterproof
Ceramic bearing.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State it is bright the present invention is made many variations example.Thus, some of embodiment details should not constitute limitation of the invention, this
Invention regard the scope defined using appended claims as protection scope of the present invention.
Claims (10)
1. four groups of three power supply external rotor permanent magnet motor, including stator assembly and rotor assembly；
The stator module includes the stator support with outer circumference surface, the stator iron being centered around on the outer circumference surface of stator support
Core, the axle of tubulose, on stator core mean array multiple armature winding；
The center of circle and axle that the axial line of the axle is supported perpendicular to stator are fixedly connected with stator support, and the middle part of axle has outlet
Hole, the exit of armature winding is connected by lead-out wire through wire hole with A-battery group；
The rotor assembly includes bearing, the rotor case with inner periphery, the rotor core of toroidal, is centered around rotor iron
The multiple magnet steel being fixedly installed on the inner periphery of core；
It is described to be stator assembly and rotor assembly flexibly connected respectively by axle and bearing；
It is characterized in that：
The armature winding is 4 groups, is energized by 4 groups of three phase supplies；
Every group of armature winding is drawn 3 lead-out wires by fairlead respectively and is connected with A-battery group；
4 groups of three phase supplies are connected using parallel way with A-battery group.
2. four groups of three power supply external rotor permanent magnet motor according to claim 1, it is characterised in that：Described 4 groups three
The number of poles of the permanent magnet motor of power supply is 52, and slot number is 48；
Every group three altogether around 12 around tooth, 4 groups three altogether around 48 around tooth.
3. four groups of three power supply external rotor permanent magnet motor according to claim 2, it is characterised in that：4 groups of armature winding
In, U1, U2, U3 and U4 have same power supplies phase；
V1, V2, V3 and V4 have same power supplies phase；
W1, W2, W3 and W4 have same power supplies phase；
4 U1 or 4 U2 ... or 4 V2 or 4 V3 ... or 4 W3 or 4 W4 coil exit is in parallel, and simultaneously
Exit after connection is connected with the lead-out wire of each；
U1, U2, U3 and U4 continuous arrangement counterclockwise on the excircle of stator core as a coil group；
V1, V2, V3 and V4 continuous arrangement counterclockwise on the excircle of stator core as a coil group；
W1, W2, W3 and W4 continuous arrangement counterclockwise on the excircle of stator core as a coil group；
Each coil group is spaced counterclockwise on the excircle of stator core.
4. four groups of three power supply external rotor permanent magnet motor according to claim 2, it is characterised in that：The number of poles is 26
Individual N poles and 26 S poles, N poles and S poles are looked on the inner periphery of rotor core and are spaced.
5. four groups of three power supply external rotor permanent magnet motor according to claim 1, it is characterised in that：Also include 4 work(
Rate plate, the lead of every group of armature winding connects a power amplifier board respectively.
6. four groups of three power supply external rotor permanent magnet motor according to claim 1, it is characterised in that：It is also inverse including 4
Become device, every group of armature winding is connected by an inverter with A-battery group.
7. four groups of three power supply external rotor permanent magnet motor according to claim 1, it is characterised in that：The A-battery
Group is 36V battery packs.
8. four groups of three power supply external rotor permanent magnet motor according to claim 1, it is characterised in that：The magnet steel be by
N50SH Nd-Fe-B permanent magnet materials are made.
9. four groups of three power supply external rotor permanent magnet motor according to claim 1, it is characterised in that：The rotor core
It is made up of S10C low-carbon steel materials.
10. four groups of three power supply external rotor permanent magnet motor according to claim 1, it is characterised in that：The bearing is
It is capable of the ceramic bearing of waterproof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710360070.1A CN106941286A (en) | 2017-05-20 | 2017-05-20 | Four groups of three power supply external rotor permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710360070.1A CN106941286A (en) | 2017-05-20 | 2017-05-20 | Four groups of three power supply external rotor permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106941286A true CN106941286A (en) | 2017-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710360070.1A Pending CN106941286A (en) | 2017-05-20 | 2017-05-20 | Four groups of three power supply external rotor permanent magnet motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN106941286A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373542A (en) * | 2001-03-06 | 2002-10-09 | 刘粤荣 | Rotary motor with rotor having great number distribution structure of magnetic poles |
| US6590312B1 (en) * | 1999-11-18 | 2003-07-08 | Denso Corporation | Rotary electric machine having a permanent magnet stator and permanent magnet rotor |
| CN101895180A (en) * | 2010-07-06 | 2010-11-24 | 毕磊 | Three-phase alternating current permanent magnet motor |
| CN103248158A (en) * | 2013-05-10 | 2013-08-14 | 东南大学 | Six-phase flux switching type permanent magnet motor |
| DE202016001273U1 (en) * | 2016-02-26 | 2016-03-15 | Toroidion Oy | Electric machine for electric vehicle |
| CN206742991U (en) * | 2017-05-20 | 2017-12-12 | 沈阳航天新光集团有限公司 | Four groups of three power supply external rotor permanent magnet motor |
-
2017
- 2017-05-20 CN CN201710360070.1A patent/CN106941286A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6590312B1 (en) * | 1999-11-18 | 2003-07-08 | Denso Corporation | Rotary electric machine having a permanent magnet stator and permanent magnet rotor |
| CN1373542A (en) * | 2001-03-06 | 2002-10-09 | 刘粤荣 | Rotary motor with rotor having great number distribution structure of magnetic poles |
| CN101895180A (en) * | 2010-07-06 | 2010-11-24 | 毕磊 | Three-phase alternating current permanent magnet motor |
| CN103248158A (en) * | 2013-05-10 | 2013-08-14 | 东南大学 | Six-phase flux switching type permanent magnet motor |
| DE202016001273U1 (en) * | 2016-02-26 | 2016-03-15 | Toroidion Oy | Electric machine for electric vehicle |
| CN206742991U (en) * | 2017-05-20 | 2017-12-12 | 沈阳航天新光集团有限公司 | Four groups of three power supply external rotor permanent magnet motor |
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Application publication date: 20170711 |