CN203522360U - Automotive permanent-magnet synchronous motor - Google Patents
Automotive permanent-magnet synchronous motor Download PDFInfo
- Publication number
- CN203522360U CN203522360U CN201320629997.8U CN201320629997U CN203522360U CN 203522360 U CN203522360 U CN 203522360U CN 201320629997 U CN201320629997 U CN 201320629997U CN 203522360 U CN203522360 U CN 203522360U
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- Prior art keywords
- permanent magnet
- millimeters
- rotor
- stator
- synchronous motor
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 26
- 238000004080 punching Methods 0.000 claims abstract description 28
- 230000005415 magnetization Effects 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to an automotive permanent-magnet synchronous motor comprising a stator and a rotor. The stator includes a stator punching sheet; and 48 flat-bottomed grooves are arranged at the stator punching sheet. A rotor includes a rotor punching sheet; and 16 permanent magnet grooves and 16 air gap arcs are arranged at the rotor punching sheet. One permanent magnet is embedded into each permanent magnet groove; each two adjacent permanent magnet grooves form one pair of permanent magnet grooves, wherein the two permanent magnet grooves in the pair of permanent magnet grooves are arranged in a V-shaped mode and the opposite angle is 120 degrees; and the opening direction of each pair of permanent magnet grooves faces the external boundary of the rotor punching sheet. The 16 air gap arcs are respectively arranged at the positions, approaching the 16 permanent magnet grooves, of the external boundary of the rotor punching sheet. According to the scheme, because the structures of the stator punching sheet and the rotor punching sheet and the arrangement structure of the permanent magnets optimized, the overload capacity of the motor is effectively improved; the iron core loss and the stray loss are reduced; and the power density, the work efficiency, and the power factor are improved.
Description
Technical field
The utility model relates to permagnetic synchronous motor field, relates in particular to a kind of automobile permanent magnet synchronous motor.
Background technology
Along with scientific and technological progress and social development; automobile starts to enter huge numbers of families; sale of automobile amount is for many years high; when offering convenience for people's trip; the development of auto industry has also aggravated global energy crisis, and brings severe contamination to environment, so; finding novel energy becomes the focus of current research as the power of automobile, wherein using permagnetic synchronous motor is an important solution route to adopt electric power mode to drive vehicle.
In recent years, as energy-conserving product, the application of rare earth permanent-magnet synchronization motor is more and more extensive, is the main contents of countries in the world electrical equipment and electrical related industry and Research Center's research to the properties analysis of rare earth permanent-magnet synchronization motor.Owing to introducing permanent magnet in permanent-magnetic synchronous motor rotor, its shape and placement location are varied, and magnetic structure is complicated, and the excitation property of motor also has a very large change, so the analytical calculation of permagnetic synchronous motor is more complicated than common electric machine.Therefore, select suitable stator structure, rotor structure and permanent magnet arrangement mode just to become difficult point.
In the prior art, because stator structure, rotor structure are reasonable not, often there is following problem: the overload capacity of motor is poor, core loss is large, stray loss is large, power density is low, operating efficiency and power factor high not, so a kind of effective automobile permanent magnet synchronous motor method for designing of current needs, improve the properties of automobile permanent magnet synchronous motor, thereby explore market actively for the application of new-energy automobile.
Utility model content
The technological deficiency that the utility model exists for prior art, the technical problem solving is, improve the inferior current condition of the unreasonable motor performance causing of original automobile permanent magnet synchronous motor structural design, by optimizing the structure of automobile permanent magnet synchronous motor, effectively improve the properties of motor, improved the market competitiveness of automobile permanent magnet synchronous motor.
The utility model is to realize like this, a kind of automobile permanent magnet synchronous motor, comprise stator and rotor, described stator comprises stator punching, on described stator punching, be provided with 48 flat-bottom slots, described rotor comprises rotor punching, on described rotor punching, be provided with 16 permanent magnet trough and 16 air gap arcs, the groove of each permanent magnet trough is embedded with 1 permanent magnet, every 2 adjacent permanent magnet trough form 1 permanent magnet trough pair, 2 permanent magnet trough that each permanent magnet trough is right adopt V-type to arrange and relative angle is 120 °, the opening direction that each permanent magnet trough is right is faced the external boundary of rotor punching, 16 air gap arcs lay respectively at the position that rotor punching external boundary approaches 16 permanent magnet trough.Further, the internal diameter of described stator is 305 millimeters, and external diameter is 445 millimeters, and the internal diameter of described rotor is 178 millimeters, and external diameter is 302.6 millimeters.Further, the slot opening of described flat-bottom slot is 3 millimeters, and notch is 0.89 millimeter deeply, and groove shoulder breadth is 6.5 millimeters, and groove shoulder height is 0.61 millimeter, and groove depth is 40.59 millimeters, and bottom land is wide is 11.8 millimeters.Further, the diameter of described air gap arc is 80 millimeters.Further, the magnetization thickness of described permanent magnet is 10 millimeters, and magnetization width is 40 millimeters.
Accompanying drawing explanation
Fig. 1 is the stator of a kind of automobile permanent magnet synchronous motor of the utility model, the structural representation of rotor;
Fig. 2 is the structural representation of the air gap arc of a kind of automobile permanent magnet synchronous motor rotor of the utility model;
Fig. 3 is the structural representation of the flat-bottom slot of a kind of automobile permanent magnet synchronous motor stator of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Shown in Figure 1, a kind of automobile permanent magnet synchronous motor rotor, described rotor comprises stator and rotor, described stator comprises stator punching 2, on described stator punching 2, be provided with 48 flat-bottom slots 1, described rotor comprises rotor punching 3, on described rotor punching 3, be provided with 16 permanent magnet trough and 16 air gap arcs 4, the groove of each permanent magnet trough is embedded with 1 permanent magnet 5, every 2 adjacent permanent magnet trough form 1 permanent magnet trough pair, 2 permanent magnet trough that each permanent magnet trough is right adopt V-type to arrange and relative angle is 120 °, the opening direction that each permanent magnet trough is right is faced the external boundary of rotor punching 3, 16 air gap arcs 4 lay respectively at the position that rotor punching 3 external boundaries approach 16 permanent magnet trough.Wherein, the internal diameter of described stator is 305 millimeters, and external diameter is 445 millimeters, and the internal diameter of described rotor is 178 millimeters, and external diameter is 302.6 millimeters; The slot opening of described flat-bottom slot 1 is 3 millimeters, and notch is 0.89 millimeter deeply, and groove shoulder breadth is 6.5 millimeters, and groove shoulder height is 0.61 millimeter, and groove depth is 40.59 millimeters, and bottom land is wide is 11.8 millimeters; The diameter of described air gap arc 4 is 80 millimeters; The magnetization thickness of described permanent magnet 5 is 10 millimeters, and magnetization width is 40 millimeters.
Shown in Figure 2, be the structure of the air gap arc 4 of described automobile permanent magnet synchronous motor rotor, the circular diameter of described air gap arc 4 is 80 millimeters, described air gap arc 4 is positioned at the position that approaches certain permanent magnet trough on rotor external boundary.
Shown in Figure 3, be the structure of the flat-bottom slot 1 of described automobile permanent magnet synchronous motor stator, 3 millimeters of the slot openings of described flat-bottom slot 1, dark 0.89 millimeter of notch, 6.5 millimeters of groove shoulder breadths, 0.61 millimeter of groove shoulder height, 40.59 millimeters of groove depth, bottom land is wide 11.8 millimeters.
The utility model is by optimizing the arrangement of the stator punching of automobile permanent magnet synchronous motor, the structure of rotor punching and permanent magnet, effectively improved motor overload capacity, reduced core loss and stray loss, improved power density, operating efficiency and power factor, improved the combination property of existing new energy motor, to substituting early with serious pollution traditional power automobile, improve environment and energy savings has certain good effect.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. an automobile permanent magnet synchronous motor, it is characterized in that, described motor comprises stator and rotor, described stator comprises stator punching, on described stator punching, be provided with 48 flat-bottom slots, described rotor comprises rotor punching, on described rotor punching, be provided with 16 permanent magnet trough and 16 air gap arcs, the groove of each permanent magnet trough is embedded with 1 permanent magnet, every 2 adjacent permanent magnet trough form 1 permanent magnet trough pair, 2 permanent magnet trough that each permanent magnet trough is right adopt V-type to arrange and relative angle is 120 °, the opening direction that each permanent magnet trough is right is faced the external boundary of rotor punching, 16 air gap arcs lay respectively at the position that rotor punching external boundary approaches 16 permanent magnet trough.
2. automobile permanent magnet synchronous motor according to claim 1, is characterized in that: the internal diameter of described stator is 305 millimeters, and external diameter is 445 millimeters, and the internal diameter of described rotor is 178 millimeters, and external diameter is 302.6 millimeters.
3. automobile permanent magnet synchronous motor according to claim 1, is characterized in that: the slot opening of described flat-bottom slot is 3 millimeters, and notch is 0.89 millimeter deeply, groove shoulder breadth is 6.5 millimeters, groove shoulder height is 0.61 millimeter, and groove depth is 40.59 millimeters, and bottom land is wide is 11.8 millimeters.
4. automobile permanent magnet synchronous motor according to claim 1, is characterized in that: the diameter of described air gap arc is 80 millimeters.
5. automobile permanent magnet synchronous motor according to claim 1, is characterized in that: the magnetization thickness of described permanent magnet is 10 millimeters, and magnetization width is 40 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320629997.8U CN203522360U (en) | 2013-10-12 | 2013-10-12 | Automotive permanent-magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320629997.8U CN203522360U (en) | 2013-10-12 | 2013-10-12 | Automotive permanent-magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522360U true CN203522360U (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320629997.8U Expired - Lifetime CN203522360U (en) | 2013-10-12 | 2013-10-12 | Automotive permanent-magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522360U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300849A (en) * | 2016-10-11 | 2017-01-04 | 合肥国轩高科动力能源有限公司 | Permanent magnet synchronous motor rotor punching sheet for electric automobile |
| CN107528400A (en) * | 2017-09-30 | 2017-12-29 | 广东美芝制冷设备有限公司 | Rotor, magneto and compressor |
| CN112865366A (en) * | 2021-01-15 | 2021-05-28 | 珠海格力电器股份有限公司 | Driving motor and electric automobile with same |
-
2013
- 2013-10-12 CN CN201320629997.8U patent/CN203522360U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300849A (en) * | 2016-10-11 | 2017-01-04 | 合肥国轩高科动力能源有限公司 | Permanent magnet synchronous motor rotor punching sheet for electric automobile |
| CN107528400A (en) * | 2017-09-30 | 2017-12-29 | 广东美芝制冷设备有限公司 | Rotor, magneto and compressor |
| CN107528400B (en) * | 2017-09-30 | 2021-07-30 | 广东美芝制冷设备有限公司 | Motor rotor, permanent magnet motor and compressor |
| CN112865366A (en) * | 2021-01-15 | 2021-05-28 | 珠海格力电器股份有限公司 | Driving motor and electric automobile with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190710 Granted publication date: 20140402 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220710 Granted publication date: 20140402 |
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| PD01 | Discharge of preservation of patent | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |