CN105634157A - Built-in high-power-density permanent magnet motor integrated to 8AT transmission box - Google Patents
Built-in high-power-density permanent magnet motor integrated to 8AT transmission box Download PDFInfo
- Publication number
- CN105634157A CN105634157A CN201610157523.6A CN201610157523A CN105634157A CN 105634157 A CN105634157 A CN 105634157A CN 201610157523 A CN201610157523 A CN 201610157523A CN 105634157 A CN105634157 A CN 105634157A
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- Prior art keywords
- stator
- rotor
- built
- permanent magnet
- magnet motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/06—Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a built-in high-power-density permanent magnet motor integrated to an 8AT transmission box. The built-in high-power-density permanent magnet motor comprises a transmission box flange, a transmission box housing, a built-in permanent magnet motor stator, a rotor and a transmission box hub, wherein the transmission box flange is connected to the left end of the transmission box housing; a back end cover of the transmission box housing is arranged at the right end of the transmission box flange; the motor stator is arranged on the inner wall of the transmission box housing; a flat wire forming winding is arranged on the motor stator; the rotor is arranged on the transmission box hub; rotor magnetic steel is arranged in the rotor; the flat wire forming winding is connected with a wire outlet box; a rotary transformer rotor is arranged on the transmission box hub; a rotary transformer stator is arranged on the back end cover of the transmission box housing; the rotary transformer stator is connected with the wire outlet box; each stator punching sheet adopts a structure that a stator yoke and stator teeth are separated first and then combined; the stator punching sheet is a closed slot without teeth harmonics; and the rotor adopts a V-shaped insertion type magnetic steel structure and a cosine air gap design, so that the magnetism gathering is remarkable. The built-in high-power-density permanent magnet motor is novel in structure, can generate vibration and is small in noise, small in loss and high in efficiency.
Description
Technical field
The present invention relates to energy device field, refer more particularly to and a kind of be integrated in the built-in high power density permanent magnet motor of 8AT wheel box.
Background technology
Current interior permanent magnet machines has high torque density, high power density, high starting torque, high-level efficiency, the features such as speed-regulating range width. But in prior art, interior permanent magnet machines torque density and power density are low, and volume is relatively big, cannot meet the structure requirement of wheel box interior permanent magnet machines, groove torque and tooth harmonic wave are big, loss is big, efficiency is on the low side, motor rotation vibratory noise height, and structural manufacturing process is complicated, it is difficult to realize automatic production, tooling cost height, the consumption of permanent magnet is big, material cost height.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point of the prior art and provide a kind of structure simple, practical is integrated in the built-in high power density permanent magnet motor of 8AT wheel box.
The present invention realizes in the following way:
A kind of it is integrated in the built-in high power density permanent magnet motor of 8AT wheel box, it is characterized in that: comprising gearbox flange 1, wheel box housing 2, built-in permanent magnet motor stator 3, rotor 11, wheel box wheel hub 12, described gearbox flange 1 is connected to the left end of wheel box housing 2; The right-hand member of described gearbox flange 1 is provided with wheel box housing rear end lid 21; Described built-in permanent magnet motor stator 3 is located on the inwall of wheel box housing 2; Described built-in permanent magnet motor stator 3 is provided with flat line shaping winding 9; Described rotor 11 is located on wheel box wheel hub 12, is provided with rotor magnetic steel 10 in described rotor 11; Described rotor 11 is positioned at the ring of built-in permanent magnet motor stator 3; Described flat line shaping winding 9 is connected by extraction cable 5 with the outlet box 4 being located on wheel box housing 2; Described wheel box wheel hub 12 is provided with to revolve and becomes rotor 8; Described wheel box housing rear end lid 21 is provided with to revolve and becomes stator 7; Described revolve become stator 7 by revolve become shielding outlet line 6 be connected with outlet box 4; The described change rotor 8 that revolves is positioned at the ring revolving and becoming stator 7;
Described built-in permanent magnet motor stator 3 comprises stator yoke punching 31 and stator teeth punching 32, in annular array mode by being interval with some closed slots 323 in described stator teeth punching 32, is formed with teeth portion 322 between adjacent two closed slots 323; Some stator teeth punchings 32 laminate and form stator tooth iron core, and some stator yoke punchings 31 laminate and form stator yoke iron core; Flat line shaping winding 9 embeds in the teeth portion 322 of stator tooth iron core, is formed with wound stator tooth unshakable in one's determination, then by stator yoke iron core heating, shrink-on enters on wound stator tooth iron core so that it is form built-in permanent magnet motor stator 3; The inner circle of described stator yoke punching 31 is Polygons 311, and itself and teeth portion 322 faces engage, and are overlapped into by heat and are integrated;
Described flat line shaping winding 9 adopts flat copper enameled wire material, and shaping with mould coiling, adopts 2/3 short square, fractional-slot winding during winding, and winding pitch is 1, and winding end is the shortest; Described rotor 11 is provided with V shape steel groove 111, is inserted with rotor magnetic steel 10 in described V shape steel groove 111;
Described rotor 11 laminates shaping by some rotor punchings 112, and the external diameter of rotor punching 112 is connected by cambered surface 113 by interval, forms cosine gap structure.
The useful effect of the present invention is: 1, stator teeth punching is designed to closed slot, and motor does not have tooth harmonic influence, and motor torque ripple is little, and harmonic wave loss is little, and motor effect is higher. 2, flat copper enameled wire material is adopted, and shaping with mould coiling, and winding frock size ensures, neatly, reliable in quality, adopts 2/3 short square, fractional-slot winding during winding, winding pitch is 1, and winding end is the shortest, and copper olse consumption is minimum. 3, rotor adopts V shape insert magnetic steel structure, and poly-magnetic effect is remarkable, and rotor leakage field is few, and the rotor punching of rotor adopts cosine kind of air-gap design, and higher harmonic content is few, reliably rational in infrastructure, and electromagnetic noise small vibration is little. 4, the power density of superelevation.
Accompanying drawing explanation
Fig. 1 present configuration schematic diagram;
The built-in permanent magnet motor stator of Fig. 2 the present invention and rotor structural representation;
Fig. 3 the present invention flat line shaping winding front view;
Fig. 4 the present invention flat line shaping winding sectional view;
Line figure between the flat line shaping winding of Fig. 5 the present invention;
Fig. 6 rotor punching structure schematic diagram of the present invention;
Fig. 7 stator yoke lamination structure schematic diagram of the present invention;
Fig. 8 stator teeth lamination structure schematic diagram of the present invention.
Embodiment
Now by reference to the accompanying drawings, the specific embodiment of the invention is described in detail in detail:
As Figure 1-Figure 8, a kind of it is integrated in the built-in high power density permanent magnet motor of 8AT wheel box, comprising gearbox flange 1, wheel box housing 2, built-in permanent magnet motor stator 3, rotor 11, wheel box wheel hub 12, gearbox flange 1 is connected to the left end of wheel box housing 2; The right-hand member of gearbox flange 1 is provided with wheel box housing rear end lid 21; Built-in permanent magnet motor stator 3 is located on the inwall of wheel box housing 2; Built-in permanent magnet motor stator 3 is provided with flat line shaping winding 9; Rotor 11 is located on wheel box wheel hub 12, is provided with rotor magnetic steel 10 in rotor 11; Rotor 11 is positioned at the ring of built-in permanent magnet motor stator 3; Flat line shaping winding 9 is connected by extraction cable 5 with the outlet box 4 being located on wheel box housing 2; Wheel box wheel hub 12 is provided with to revolve and becomes rotor 8; Wheel box housing rear end lid 21 is provided with to revolve and becomes stator 7; Change shielding outlet line 6 is connected with outlet box 4 by revolving to revolve change stator 7; Revolve change rotor 8 and it is positioned at the ring revolving and becoming stator 7; Built-in permanent magnet motor stator 3 comprises stator yoke punching 31 and stator teeth punching 32, in annular array mode by being interval with some closed slots 323 in stator teeth punching 32, is formed with teeth portion 322 between adjacent two closed slots 323; Some stator teeth punchings 32 laminate and form stator tooth iron core, and some stator yoke punchings 31 laminate and form stator yoke iron core; Flat line shaping winding 9 embeds in the teeth portion 322 of stator tooth iron core, is formed with wound stator tooth unshakable in one's determination, then by stator yoke iron core heating, shrink-on enters on wound stator tooth iron core so that it is form built-in permanent magnet motor stator 3; The inner circle of stator yoke punching 31 is Polygons 311, and itself and teeth portion 322 faces engage, and are overlapped into by heat and are integrated; Flat line shaping winding 9 adopts flat copper enameled wire material, and shaping with mould coiling, adopts 2/3 short square, fractional-slot winding during winding, and winding pitch is 1, and winding end is the shortest; Rotor 11 is provided with V shape steel groove 111, is inserted with rotor magnetic steel 10 in described V shape steel groove 111; Rotor 11 laminates shaping by some rotor punchings 112, and the external diameter of rotor punching 112 is connected by cambered surface 113 by interval, forms cosine gap structure.
As Figure 6-Figure 8, stator teeth punching 32 of the present invention is designed to closed slot 323, and motor does not have tooth harmonic influence, and motor torque ripple is little, and harmonic wave loss is little, and motor effect is higher; Flat line shaping winding 9 adopts flat copper enameled wire material, and shaping with mould coiling, and winding frock size ensures, neatly, reliable in quality, adopts 2/3 short square, fractional-slot winding during winding, winding pitch is 1, and winding end is the shortest, and copper olse consumption is minimum; Rotor 11 adopts V shape insert magnetic steel structure, and poly-magnetic effect is remarkable, and rotor leakage field is few, and the rotor punching 112 of rotor 11 adopts cosine kind of air-gap design, and higher harmonic content is few, reliably rational in infrastructure, and electromagnetic noise small vibration is little.
The present invention is integrated in the main function of the built-in high power density permanent magnet motor of 8AT wheel box (being called for short: built-in integral permanent-magnet motor): 1, have starting engine function, that engine adopts is G02-1.4T, requires pull-in torque >=150Nm0��750rpm during startup; Normal start time is 3s, time length 8S during the longest startup. 2, having low speed anxious acceleration auxiliarypower function, except, except one grade of state, under low speed anxious acceleration operating mode, built-in integral permanent-magnet motor can provide omnidistance power-assisted, continuing moment output is 100Nm0��1500rpm, time length >=30s. 3, having low speed slow acceleration auxiliarypower function, under lower-speed state, under low speed slow acceleration operating mode, built-in integral permanent-magnet motor can provide omnidistance power-assisted, continues moment and exports as 130Nm0��1500rpm, time length >=30s; 4, low speed at the uniform velocity operating mode: under low speed at the uniform velocity operating mode, the built-in integral permanent-magnet motor of driven by engine generates electricity, and continues moment and exports as 75Nm0��1500rpm, power requirement >=12KW, time length >=30min; Time length depends on oily cold effect; 5, middling speed at the uniform velocity operating mode: under middling speed at the uniform velocity operating mode, the built-in integral permanent-magnet motor of driven by engine generates electricity, and continues moment and exports as-100Nm0��1500rpm, and power requires 15KW, continues >=3min; Continuous rating can arrive 12KW, 6, suddenly operating mode is accelerated at a high speed: accelerating operating mode anxious at a high speed, driven by engine built-in integral permanent-magnet motor carries out driving whole car to run, require that running torque is 55Nm5100rpm, time length >=30s, 7, pure electricity runs: built-in integral permanent-magnet driven by motor wheel box runs in this state, now needs to export torque capacity 130Nm; The long-play time is as the criterion to survey, 130Nm, time length >=30s, 8, energy recovery: in vehicle braking process, built-in integral permanent-magnet motor can provide negative torque to assist vehicle braking, and now built-in integral permanent-magnet motor provides the peak torque (concrete parameter is determined) of generating state according to the test of whole car.
The foregoing is only embodiments of the invention; not thereby the patent scope of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all it is included in the scope of patent protection of the present invention with reason.
Claims (1)
1. one kind is integrated in the built-in high power density permanent magnet motor of 8AT wheel box, it is characterized in that: comprising gearbox flange (1), wheel box housing (2), built-in permanent magnet motor stator (3), rotor (11), wheel box wheel hub (12), described gearbox flange (1) is connected to the left end of wheel box housing (2); The right-hand member of described gearbox flange (1) is provided with wheel box housing rear end lid (21); Described built-in permanent magnet motor stator (3) is located on the inwall of wheel box housing (2); Described built-in permanent magnet motor stator (3) is provided with flat line shaping winding (9); Described rotor (11) is located on wheel box wheel hub (12), is provided with rotor magnetic steel (10) in described rotor (11); Described rotor (11) is positioned at the ring of built-in permanent magnet motor stator (3); Described flat line shaping winding (9) is connected by extraction cable (5) with the outlet box (4) being located on wheel box housing (2); Described wheel box wheel hub (12) is provided with to revolve and becomes rotor (8); Described wheel box housing rear end lid (21) is provided with to revolve and becomes stator (7); Described revolve become stator (7) by revolve become shielding outlet line (6) be connected with outlet box (4); Described revolve become rotor (8) be positioned at revolve become stator (7) ring;
Described built-in permanent magnet motor stator (3) comprises stator yoke punching (31) and stator teeth punching (32), in annular array mode by being interval with some closed slots (323) on described stator teeth punching (32), between adjacent two closed slots (323), it is formed with teeth portion (322); Some stator teeth punchings (32) laminate and form stator tooth iron core, and some stator yoke punchings (31) laminate and form stator yoke iron core; Flat line shaping winding (9) embeds in the teeth portion (322) of stator tooth iron core, it is formed with wound stator tooth unshakable in one's determination, again by stator yoke iron core heating, shrink-on enters on wound stator tooth iron core so that it is form built-in permanent magnet motor stator (3); The inner circle of described stator yoke punching (31) is Polygons (311), and it engages with teeth portion (322) face, face, is overlapped into by heat and is integrated;
Described flat line shaping winding (9) adopts flat copper enameled wire material, and shaping with mould coiling, adopts 2/3 short square, fractional-slot winding during winding, and winding pitch is 1, and winding end is the shortest; Described rotor (11) is provided with V shape steel groove (111), is inserted with rotor magnetic steel (10) in described V shape steel groove (111);
Described rotor (11) laminates shaping by some rotor punchings (112), and the external diameter of rotor punching (112) is connected by cambered surface (113) by interval, forms cosine gap structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157523.6A CN105634157A (en) | 2016-03-20 | 2016-03-20 | Built-in high-power-density permanent magnet motor integrated to 8AT transmission box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157523.6A CN105634157A (en) | 2016-03-20 | 2016-03-20 | Built-in high-power-density permanent magnet motor integrated to 8AT transmission box |
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| CN105634157A true CN105634157A (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610157523.6A Pending CN105634157A (en) | 2016-03-20 | 2016-03-20 | Built-in high-power-density permanent magnet motor integrated to 8AT transmission box |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655672A (en) * | 2017-03-03 | 2017-05-10 | 福建亚南电机有限公司 | Permanent magnet double-stator-rotor high-torque-density hub motor device |
| CN107994750A (en) * | 2017-12-19 | 2018-05-04 | 卧龙电气集团股份有限公司 | A kind of high power density high-speed permanent magnetic synchronous motor |
| CN109038888A (en) * | 2018-07-02 | 2018-12-18 | 宁德时代电机科技有限公司 | A kind of penetration radial magnetic circuit double rotor single stator orientation magnetic circuit magneto magnetic circuit |
| CN109075683A (en) * | 2016-05-10 | 2018-12-21 | 三菱电机株式会社 | Permanent magnet-type motor |
| CN109768683A (en) * | 2018-12-28 | 2019-05-17 | 江苏大学 | A kind of bimorph transducer magnetic field modulation magneto suitable for electric tractor |
| CN111313586A (en) * | 2020-03-24 | 2020-06-19 | 上海大学 | Coil assembly, centralized winding and axial flux motor |
| CN112821700A (en) * | 2021-01-29 | 2021-05-18 | 东南大学盐城新能源汽车研究院 | Double cosine air gap flux switching servo motor |
| CN112865356A (en) * | 2021-01-29 | 2021-05-28 | 东南大学盐城新能源汽车研究院 | Double cosine air gap stator electric excitation servo motor |
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| CN104882978A (en) * | 2015-05-07 | 2015-09-02 | 东南大学 | Low-torque-ripple high-efficient permanent magnetic motor stator and rotor structure |
| CN205583868U (en) * | 2016-03-20 | 2016-09-14 | 福建亚南电机有限公司 | Integrated high power density permanent -magnet machine who embeds in 8AT gearbox |
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2016
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| JP2001119874A (en) * | 1999-10-19 | 2001-04-27 | Hitachi Ltd | Stator of rotating electric machine |
| JP2001298883A (en) * | 2000-04-13 | 2001-10-26 | Hitachi Ltd | Stator and motor |
| JP2006314155A (en) * | 2005-05-06 | 2006-11-16 | Ckd Corp | Stator for outer rotor |
| CN1949628A (en) * | 2006-11-01 | 2007-04-18 | 宁波骏腾国际工贸有限公司 | Magnetic concentrated low wave permanent magnetic brushless wheel electric machine |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109075683B (en) * | 2016-05-10 | 2020-07-07 | 三菱电机株式会社 | Permanent magnet type motor |
| CN109075683A (en) * | 2016-05-10 | 2018-12-21 | 三菱电机株式会社 | Permanent magnet-type motor |
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| CN106655672A (en) * | 2017-03-03 | 2017-05-10 | 福建亚南电机有限公司 | Permanent magnet double-stator-rotor high-torque-density hub motor device |
| CN107994750A (en) * | 2017-12-19 | 2018-05-04 | 卧龙电气集团股份有限公司 | A kind of high power density high-speed permanent magnetic synchronous motor |
| CN109038888A (en) * | 2018-07-02 | 2018-12-18 | 宁德时代电机科技有限公司 | A kind of penetration radial magnetic circuit double rotor single stator orientation magnetic circuit magneto magnetic circuit |
| CN109038888B (en) * | 2018-07-02 | 2024-02-02 | 宁德时代电机科技有限公司 | Penetrating radial magnetic circuit double-rotor single-stator oriented magnetic circuit permanent magnet motor magnetic circuit |
| CN109768683A (en) * | 2018-12-28 | 2019-05-17 | 江苏大学 | A kind of bimorph transducer magnetic field modulation magneto suitable for electric tractor |
| CN111313586B (en) * | 2020-03-24 | 2022-05-03 | 上海大学 | Coil assembly, centralized winding and axial flux motor |
| CN111313586A (en) * | 2020-03-24 | 2020-06-19 | 上海大学 | Coil assembly, centralized winding and axial flux motor |
| CN112865356A (en) * | 2021-01-29 | 2021-05-28 | 东南大学盐城新能源汽车研究院 | Double cosine air gap stator electric excitation servo motor |
| CN112865356B (en) * | 2021-01-29 | 2023-11-24 | 东南大学盐城新能源汽车研究院 | Double cosine air gap stator electric excitation servo motor |
| CN112821700B (en) * | 2021-01-29 | 2023-11-24 | 东南大学盐城新能源汽车研究院 | Double cosine air gap magnetic flux switching servo motor |
| CN112821700A (en) * | 2021-01-29 | 2021-05-18 | 东南大学盐城新能源汽车研究院 | Double cosine air gap flux switching servo motor |
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Application publication date: 20160601 |