CN2777828Y - Three-phase AC permanent magnetic synchronous motor for vehicle - Google Patents
Three-phase AC permanent magnetic synchronous motor for vehicle Download PDFInfo
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- CN2777828Y CN2777828Y CN 200520095797 CN200520095797U CN2777828Y CN 2777828 Y CN2777828 Y CN 2777828Y CN 200520095797 CN200520095797 CN 200520095797 CN 200520095797 U CN200520095797 U CN 200520095797U CN 2777828 Y CN2777828 Y CN 2777828Y
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model relates to a three-phase AC permanent magnetic synchronous motor for vehicles, which belongs to the technical field of AC permanent magnetic synchronous motors. The utility model mainly solves the problems of large starting current, small starting torque, insufficient rigidity of a rotor in the existing AC permanent magnetic synchronous motors. The utility model is characterized in that the rotor is a solid rotor; the solid rotor is symmetrically provided with permanent magnet grooves and hollow grooves which are determined by the number of poles of a motor; the permanent magnet grooves are enchased with permanent magnets inside; groove wedges made of nonmagnetic materials are arranged outside the permanent magnets; both ends of the solid rotor are provided with round ring type nonmagnetic material baffle plates; a rotor magnetic pole separating sleeve is arranged between the rotor and a shaft. When the utility model is used in electric automobiles, a casing body of a machine seat is made of aluminum alloy. When the utility model is used in motors, the casing body of a machine seat is made of cast iron. The utility model has the advantages of small starting current, large overload capacity, large starting torque, strong rigidity of rotors, low electromagnetic noise, etc. The utility model is mainly used in electric automobiles, machine tools, pumps, blowers, air compressors, etc.
Description
Technical field
The utility model relates to the AC permanent-magnet synchronous motor, and particularly a kind of can the use as motor again can be as the Thee-phase alternating current permanent-magnetic synchronous machine of generator use.Belong to the AC permanent magnet synchronous motor technical field.
Background technology
At present, the AC permanent-magnet motor overwhelming majority is applied to power frequency, slow-revving situation, thereby its rotor is not to adopt solid rotor and be arranged on permanent magnet on the solid rotor, but the rotor that adopts jet-bedding silicon steel sheet and rotor coil to constitute, because the AC permanent-magnet synchronous motor is provided with started squirrel-cage, thereby its ubiquity two big defectives: one, starting current is excessive, and power supply capacity increases relatively; Its two, starting torque is too small, rotor structure is unreasonable, the silicon steel sheet jet-bedding is many, rotor rigidity deficiency, particularly under high-power, high-revolving situation, poor reliability.In addition, existing AC permanent-magnet synchronous motor can only be made motor and use, and it is not high to make the efficient that engine uses simultaneously.
Summary of the invention
The purpose of this utility model is exactly to provide at above-mentioned weak point that a kind of starting current is little, the rotor rigidity strong, starting is level and smooth, both can make motor and use, and can make the Thee-phase alternating current permanent-magnetic synchronous machine that generator uses again.
Technical solution of the present utility model is: a kind of automobile-used Thee-phase alternating current permanent-magnetic synchronous machine comprises axle, bearing end cover; Internal bearing cover, casing, front end housing, bearing, rear end cap, stator core, stator coil and rotor is characterized in that: described rotor is a solid rotor; Symmetry has permanent magnet trough and the dead slot of determining according to motor pole number on this solid rotor, and permanent magnet trough is embedded with permanent magnet; Permanent magnet is provided with the slot wedge of being made by nonmagnetic substance outward; The solid rotor two ends are provided with circular ring type nonmagnetic substance baffle plate; Be provided with the rotor magnetic pole spacer between solid rotor and the axle; The casing housing adopts aluminium alloy to make.
Solid rotor described in the utility model technical solution is outer can be provided with cranse.
Can be provided with the cooling duct in the frame shell described in the utility model technical solution.
Permanent magnet described in the utility model technical solution can be sintered Nd-Fe-B permanent magnet.
Technical solution of the present utility model can also be: a kind of Thee-phase alternating current permanent-magnetic synchronous machine comprises axle, bearing end cover; Internal bearing cover, casing, front end housing, bearing, rear end cap, stator core, stator coil, rotor fan and fan housing is characterized in that: described rotor is a solid rotor; Symmetry has permanent magnet trough and the dead slot of determining according to motor pole number on this solid rotor, and permanent magnet trough is embedded with permanent magnet; Permanent magnet is provided with the slot wedge of being made by nonmagnetic substance outward; The solid rotor two ends are provided with circular ring type nonmagnetic substance baffle plate; Be provided with the rotor magnetic pole spacer between solid rotor and the axle; The casing housing adopts cast iron to make.
The utility model is because on the basis of existing AC permanent-magnet motor, change rotor into solid rotor, and symmetry has permanent magnet trough and dead slot on this solid rotor, permanent magnet trough is embedded with permanent magnet, permanent magnet trough is several to be determined according to motor pole number, between rotor and axle, be provided with the rotor magnetic pole spacer, and be provided with cranse outside rotor, thereby solid rotor is simple in structure because of it, the Mechanical Reliability height of rotor, be particularly suitable at a high speed even the ultrahigh speed operation, the starting stream TV university that makes motor is for reducing, and torque is big during starting, starting performance is good, be applicable to heavy-load start, vibration and noise are low during operation, its speed-regulating range width, the stator radiating condition is good, and stator copper loss is less during low cruise.Simultaneously, solid rotor and outer cranse thereof can make the rotor rigidity strong, even under high-power, high-revolving situation, reliability is also very good.When low-speed running, cranse can be do not wanted, cranse must be added during high speed.The solid rotor two ends are provided with circular ring type nonmagnetic substance baffle plate, and baffle plate is provided with counterweight screws.Rotor adopts solid rotor, utilizes eddy current to produce starting torque.Magnetic circuit adopts built-in tangential formula structure.On solid rotor,, can obtain bigger every utmost point magnetic and differ bigger, utilize reluctance torque to improve starting performance by tangential fluting dress permanent magnet.Adopt multiplely, reduce rotor leakage every the magnetic measure.The permanent magnetic material of selecting ultra-high coercive force for use is a permanent magnet.The utility model is owing to be provided with certain gradient with the stator core notch, and its gradient size is determined by the starting torque size, thereby can increase starting performance of the present utility model.When the utility model was used for electric automobile, the casing housing adopted aluminium alloy, steel plateelement etc. to make, and mainly was to dwindle motor volume and alleviate motor weight.When the utility model was used for lathe, water pump, blower fan, air compressor machine etc., the casing housing adopted cast iron to make, and the rear end cap place is provided with fan and fan housing, and frame shell, fan, fan housing are the same with common triphase AC synchronous permanent-magnet motor machine.Make and the utlity model has advantages such as starting current is little, overload capacity is big, starting torque is big, the rotor rigidity is good, electromagnetic noise is little.Thereby, both can be used as motor, can be used as generator simultaneously again, and efficient and power factor are all very high.The utility model is mainly used in electric automobile and lathe, water pump, blower fan, air compressor machine etc.
Description of drawings
Fig. 1 is the electric machine structure schematic diagram that the utility model is used for electric automobile; Fig. 2 is the structural representation of Fig. 1 rotor; Fig. 3 is an A-A sectional structure schematic diagram among Fig. 2; Fig. 4 is the electric machine structure schematic diagram that the utility model is used for motor.
Embodiment
As shown in Figure 1 to Figure 3.Axle 1, bearing end cover, front end housing 3, bearing 2, internal bearing cover 11, stator core 8 and stator coil 5 are corresponding identical with each parts in the existing triphase AC synchronous permanent-magnet motor machine, are that casing 6, rear end cap 12 are different with rotor.Casing 6 housings adopt aluminium alloy, steel plateelement etc. to make, and mainly are to dwindle motor volume and alleviate motor weight.Can be provided with cooling water, oily passage in casing 6 housings.Be provided with the flange that connects with the automobile part behind the rear end cap 12.Connect with bolt and nut 4 between casing 6 and front end housing 3, the rear end cap 12.Rotor core 9 is a solid rotor, and symmetry has permanent magnet trough 13 and dead slot 17 on it, and permanent magnet trough 13 and dead slot 17 numbers are determined by the number of poles of motor, 2 grooves of 2 utmost point motors, and 4 grooves of 4 utmost point motors by that analogy, are 8 grooves of 8 utmost point motors among the figure.Permanent magnet trough 13 is embedded with permanent magnet 16, and permanent magnet 16 is a sintered Nd-Fe-B permanent magnet, also can be the permanent magnet of other material.Dead slot 17 is opened the centre of the rotor core 9 between two adjacent magnet slot 13, works to cut off magnetic circuit.Rotor core 9 and axle are provided with rotor magnetic pole spacer 10 between 1, and spacer 10 is made by nonmagnetic substance.Rotor magnetic pole spacer 10 can be the integral type spacer, also can be three spacers that are separated from each other shown in the figure.Be provided with every magnetic stripe 24 between spacer 10 and the rotor.Rotor magnetic pole spacer 10 plays the blocking-up magnetic circuit.Rotor core 9 two ends are provided with circular ring type nonmagnetic substance baffle plate 23, and baffle plate 23 is provided with counterweight screws 22.The rotor core 9 outer cranses 15 that are provided with, cranse 15 is made by the nonmagnetic substance that certain intensity is arranged, and has both played the blocking-up magnetic circuit, plays making permanent magnet 16 combine firmer effect with rotor core 9 again, make the whole rigidity of rotor good, be fit to high-power, high-revolving application.Stator structure of the present utility model and common asynchronous motor stator structure are basic identical.Stator core 8 is fixed on the casing 6 through screw 7.Stator core 8 notches have certain gradient, and the size of its gradient is by the decision of staring torque size.
The utility model can be used as motor, generator uses.When using as motor, under the situation of energising, stator coil 5 drives the rotor rotation under the action of a magnetic field of permanent magnet 16, and driving automobile travels; When using as generator, because automobile does not need power at descending, when sliding, under the situation of outage, rotor makes the rotor rotation with the operation of automobile, and under the action of a magnetic field that rotor permanent magnet 16 produces, stator coil 5 will produce electric current, is high charge in batteries.Being extensive use of of AC permanent magnet synchronous motor will be reduced environmental pollution greatly, and energy conservation and consumption reduction effects is remarkable, is a kind of exceedingly beautiful product that has a extensive future.
The electric machine structure that the utility model is used for motor as shown in Figure 4.Permanent magnet trough 13 on axle 1, the bearing end cover, front end housing 3, bearing 2, internal bearing cover 11, stator core 8, stator coil 5, rear end cap 19, rotor core 9, rotor core 9, permanent magnet 16, dead slot 17, magnetic pole spacer 10, cranse 15 are corresponding identical with each parts of motor among Fig. 1, are that casing 18, fan 20 are different with fan housing 21.Casing 6 housings adopt cast iron to make.Rear end cap 19 outer fan 20 and the fan housings 21 of being provided with.Casing 18, fan 20 and fan housing 21 are identical with common triphase AC synchronous permanent-magnet motor machine.
Claims (8)
1, a kind of automobile-used Thee-phase alternating current permanent-magnetic synchronous machine, comprise axle (1), bearing end cover, internal bearing cover (11), casing (6), front end housing (3), bearing (2), rear end cap (12), stator core (8), stator coil (5) and rotor, it is characterized in that: described rotor is solid rotor (9); This solid rotor (9) is gone up symmetry and is had permanent magnet trough (13) and the dead slot of determining according to motor pole number (17), and permanent magnet trough (13) is embedded with permanent magnet (16); The outer slot wedge of making by nonmagnetic substance (14) that is provided with of permanent magnet (16); Solid rotor (9) two ends are provided with circular ring type nonmagnetic substance baffle plate (23); Be provided with rotor magnetic pole spacer (10) between solid rotor (9) and the axle (1); Casing (6) housing adopts aluminium alloy to make.
2, a kind of automobile-used Thee-phase alternating current permanent-magnetic synchronous machine according to claim 1 is characterized in that: be provided with cranse (15) outside solid rotor (9).
3, a kind of automobile-used Thee-phase alternating current permanent-magnetic synchronous machine according to claim 1 and 2 is characterized in that: be provided with the cooling duct in described casing (6) housing.
4, a kind of automobile-used Thee-phase alternating current permanent-magnetic synchronous machine according to claim 1 and 2, it is characterized in that: described permanent magnet (16) is a sintered Nd-Fe-B permanent magnet.
5, a kind of automobile-used Thee-phase alternating current permanent-magnetic synchronous machine according to claim 3, it is characterized in that: described permanent magnet (16) is a sintered Nd-Fe-B permanent magnet.
6, a kind of Thee-phase alternating current permanent-magnetic synchronous machine, comprise axle (1), bearing end cover, internal bearing cover (11), casing (18), front end housing (3), bearing (2), rear end cap (19), stator core (8), stator coil (5), rotor fan (20) and fan housing (21), it is characterized in that: described rotor is solid rotor (9); This solid rotor (9) is gone up symmetry and is had permanent magnet trough (13) and the dead slot of determining according to motor pole number (17), and permanent magnet trough (13) is embedded with permanent magnet (16); The outer slot wedge of making by nonmagnetic substance (14) that is provided with of permanent magnet (16); Solid rotor (9) two ends are provided with circular ring type nonmagnetic substance baffle plate; Be provided with rotor magnetic pole spacer (10) between solid rotor (9) and the axle (1); Casing (6) housing adopts cast iron to make.
7, a kind of Thee-phase alternating current permanent-magnetic synchronous machine according to claim 6 is characterized in that: be provided with cranse (15) outside solid rotor (9).
8, according to claim 6 or 7 described a kind of automobile-used Thee-phase alternating current permanent-magnetic synchronous machines, it is characterized in that: described permanent magnet (16) is a sintered Nd-Fe-B permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520095797 CN2777828Y (en) | 2005-03-31 | 2005-03-31 | Three-phase AC permanent magnetic synchronous motor for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520095797 CN2777828Y (en) | 2005-03-31 | 2005-03-31 | Three-phase AC permanent magnetic synchronous motor for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777828Y true CN2777828Y (en) | 2006-05-03 |
Family
ID=36745202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520095797 Expired - Lifetime CN2777828Y (en) | 2005-03-31 | 2005-03-31 | Three-phase AC permanent magnetic synchronous motor for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777828Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697443A (en) * | 2009-10-30 | 2010-04-21 | 无锡新大力电机有限公司 | Rotor terminal structure of three-phase permanent magnet synchronous motor |
| CN102244447A (en) * | 2010-05-16 | 2011-11-16 | 襄阳宇清传动科技有限公司 | Three-phase AC (alternating current) PMSM (permanent magnet synchronous motor) for vehicle |
| CN101860100B (en) * | 2009-04-08 | 2013-12-18 | 金亦石 | Permanent magnetic synchronous motor |
-
2005
- 2005-03-31 CN CN 200520095797 patent/CN2777828Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860100B (en) * | 2009-04-08 | 2013-12-18 | 金亦石 | Permanent magnetic synchronous motor |
| CN101697443A (en) * | 2009-10-30 | 2010-04-21 | 无锡新大力电机有限公司 | Rotor terminal structure of three-phase permanent magnet synchronous motor |
| CN102244447A (en) * | 2010-05-16 | 2011-11-16 | 襄阳宇清传动科技有限公司 | Three-phase AC (alternating current) PMSM (permanent magnet synchronous motor) for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIANGYANG YUQING TRANSMISSION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XIANGFAN SPECIAL MOTOR CO., LTD. Effective date: 20110715 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 441002 NO. 232, RENMIN ROAD, XIANGFAN CITY, HUBEI PROVINCE TO: 441058 NO. 5, XINXING ROAD, HIGH-TECH. DEVELOPMENT ZONE, XIANGYANG CITY, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110715 Address after: 441058 No. 5 Xinxing Road, hi tech Development Zone, Hubei, Xiangyang Patentee after: Xiangyang Yuqing Transmission Technology Co., Ltd. Address before: 441002 No. 232 Renmin Road, Hubei, Xiangfan Patentee before: Xiangfan Special Motor Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150331 Granted publication date: 20060503 |