CN201937420U - Speed-variable motor of high-speed train - Google Patents
Speed-variable motor of high-speed train Download PDFInfo
- Publication number
- CN201937420U CN201937420U CN2010206771819U CN201020677181U CN201937420U CN 201937420 U CN201937420 U CN 201937420U CN 2010206771819 U CN2010206771819 U CN 2010206771819U CN 201020677181 U CN201020677181 U CN 201020677181U CN 201937420 U CN201937420 U CN 201937420U
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Abstract
The utility model relates to a speed-variable motor of a high-speed train, which comprises a front end cover, a shell, a rotor assembly and a rear end cover. A motor stator is fixed on the inner wall of the shell; the rotor assembly capable of rotating in the motor stator is arranged in the shell; a stator winding is arranged in the motor stator; a motor electrical connector for being connected with external power source is arranged on the shell; squirrel cage conducting bars are evenly embedded on the outer surface of the rotor assembly; end rings are cast on the two ends of the conducting bars; the end rings and the conducting bars form a rotor cage; the two ends of the end rings are further provided with vanes which are used for heat radiation of the surface of a rotor; and heat-radiation ribs are cast on the outer surfaces of both the shell and the end covers. According to the need of a cooling system, the rotating speed of a motor in a working condition is changed, thus the motor is ensured not to be affected by an inverter during the process of operation; and because the speed-variable motor of the high-speed train has a compact structure and the heat-radiation ribs are cast on the outer surfaces of both the shell and the end covers, the heat radiation performance of the motor is improved. Compared with the general asynchronous motor, the resistance of the speed-variable motor is small, the loss is less and the cost is low. The utility model has the advantages of low noise, good heat radiation, low temperature rising, convenience in use, and safety and reliability in operation.
Description
Technical field:
The utility model relates to a kind of bullet train variable speed electric motors, particularly of motor, and particularly a kind of rated frequency is the double-speed motor of 50Hz, and it is the driving arrangement as motorcycle cooling system.
Background technology:
Bullet train fast development both at home and abroad at present, F-Zero can reach 500km/h, and mileage number has also reached 15,000 kilometers, and China just occupies nearly 8,000 kilometers, in the coming years, all will increase input on bullet train in countries in the world.Complex structure, volume are big, loss is high, noise is big, heat dispersion is relatively poor, temperature rise is higher, degree of protection is low and existing variable speed electric motors, particularly exists.
The utility model content:
The purpose of this utility model is to overcome above-mentioned technical problem, provides a kind of compact conformation, degree of protection height, loss is low, noise is little, perfect heat-dissipating, temperature rise are low, low cost of manufacture, bullet train variable speed electric motors, particularly easy to use; It is that cooling blower as the bullet train traction electric machine provides actuating force.
The technical scheme that the utility model adopted is: plant the variable speed electric motors, particularly that bullet train is used, comprise front end housing, casing, rotor assembling and rear end cap, it is characterized in that:
The casing internal fixation of described this variable speed electric motors, particularly has motor stator, it is the inwall that motor stator is fixed on casing, have one can in stator, rotor rotated assemble in it, motor stator is built-in with the stator winding of anticorona and corona-resistant insulation, casing is provided with the motor electric connector that is connected with external power source, and fan is not put in the rear end of motor;
Described rotor assembling is made up of rotating shaft, fore bearing, rotor core, rear bearing, the assembling of this rotor by rotating shaft and forward and backward bearing fixing in the axis hole of front end housing and rear end cap, the outer surface of rotor assembling is inlayed mouse cage sliver sliver two ends equably and is cast with end ring, form the rotor mouse cage with sliver, the end ring two ends also are furnished with the blade to the rotor surface heat radiation; Casing and end cap outer surface all are cast with radiating ribs.The forward and backward bearing of this motor is a self-lubricating deep groove ball bearing.The major parameter of variable speed electric motors, particularly: rated power Pn=0.6kw when rated power Pn=2.4kw, four utmost points during two utmost points; Rated voltage Un=440V; Rated frequency f=50Hz.
Motor stator is built-in with anticorona enamel insulated round copper wire and corona-resistant insulation material; Be inlaid with the cast aluminium sliver at the rotor core outer surface, the sliver two ends are cast with end ring, form cage rotor with the cast aluminium sliver, and the end ring two ends also are furnished with blade, and motor can effectively dispel the heat to rotor surface in operation process; Self-lubricating deep groove ball sealed bearing is adopted at the motor two ends; The rear end of motor is furnished with self-cooling fan, and motor can effectively be given motor radiating in operation process; Motor is connected with external power source by electric connector.
The stator core of motor and rotor core adopt the silicon steel plate stacking of 0.5mm to form, and the stator core two ends are added with end plate and trim ring, and trim ring welds together by stator peripheral groove and cramp.
Rotating speed of motor
F is the operating frequency of motor in the formula, and p is the motor stator number of pole-pairs, and the nominal operation frequency of motor is 50Hz, changes number of pole-pairs P, can change motor speed.
The utility model is as the actuating force of motorcycle cooling system, and its operating state changes rotating speed along with the needs of cooling system, and what its inner insulation material adopted all is anticorona material, has just guaranteed that also it is not subjected to the influence of inverter in running; Compact conformation, casing and end cap outer surface all are cast with radiating ribs, thereby have just improved the heat dispersion of motor; Design is reasonable, can not occur with the power electric motor noise big, the phenomenon of electromagnetic noise particularly; Its resistance is compared to that general asynchronous motor is little, and loss is few, and manufacturing cost is also just corresponding to be reduced; Easy to use, safe and reliable to operation.
Description of drawings:
Fig. 1 is a sectional structure schematic diagram of the present utility model;
Fig. 2 is a plan structure schematic diagram of the present utility model;
Among the figure: 1-front end housing, 2-fore bearing, 3-casing, 4-motor stator, 5-stator core, the assembling of 6-rotor, 7-rotor core, 8-rotating shaft, 9-mouse cage sliver, 10-stator winding, 11-rear bearing, 12-rear end cap, 13-fan, 14-fan housing, 15-electric connector.
Embodiment:
Referring to above-mentioned accompanying drawing, plant the variable speed electric motors, particularly that bullet train is used, comprise front end housing 1, casing 3, rotor assembling 6, rear end cap 12, fan 1) and fan housing 14, it is characterized in that casing 3 internal fixation of this variable speed electric motors, particularly have motor stator 4, it is the inwall that motor stator 4 is fixed on casing 3, have one can in stator, rotor rotated assemble 6 in it, motor stator is built-in with the stator winding 10 of anticorona and corona-resistant insulation, casing 3 is provided with the motor electric connector 15 that is connected with external power source, and fan 14 is not put in the rear end of motor;
Rotor assembling 6 is made up of rotating shaft 8, fore bearing 2, rotor core 7, rear bearing 11, this rotor assembling 6 is fixed in the axis hole of front end housing 1 and rear end cap 12 by rotating shaft 8 and forward and backward bearing 2,11, the outer surface of rotor assembling 6 is inlayed mouse cage sliver 9 equably, sliver 9 two ends are cast with end ring, form the rotor mouse cage with sliver 9, the rotor mouse cage cooperates AC asynchronous motor of formation with motor stator 4.The end ring two ends also are furnished with the blade to the rotor surface heat radiation.Forward and backward bearing 2,11 adopts self-lubricating deep groove ball bearing.
The major parameter of this variable speed electric motors, particularly: rated power Pn=0.6kw when rated power Pn=2.4kw, four utmost points during two utmost points; Rated voltage Un=440V; Rated frequency f=50Hz.
The material selection silicon steel sheet 50w470 of stator core 5 and rotor core 7 wherein, stator winding 10 is made up of stator coil and insulating material, stator coil adopts enamel insulated round copper wire QP/2-200, and insulating material adopts 0.25CR NHN and 0.05 polyimide film 6050 to form.Forward and backward bearing 2,11 is fixed in the bearing chamber of front end housing 1 and rear end cap 12, adopts self-lubricating.The stator core of motor and rotor core adopt the silicon steel plate stacking of 0.5mm to form, and the stator core two ends are added with end plate and trim ring, and trim ring welds together by stator peripheral groove and cramp.This variable speed electric motors, particularly compact conformation, degree of protection height, loss is low, noise is little, perfect heat-dissipating, low, the low cost of manufacture of temperature rise.
Claims (3)
1. variable speed electric motors, particularly that bullet train is used comprises front end housing (1), casing (3), rotor assembling (6), rear end cap (12), fan (13) and fan housing (14), it is characterized in that:
The casing of A, described this variable speed electric motors, particularly (3) internal fixation has motor stator (4), it is the inwall that motor stator (4) is fixed on casing (3), have one can in stator, rotor rotated assemble (6) in it, motor stator is built-in with the stator winding (10) of anticorona and corona-resistant insulation, casing (3) is provided with the motor electric connector (15) that is connected with external power source, fan (14) is not put in the rear end of motor
B, described rotor assembling (6) are made up of rotating shaft (8), fore bearing (2), rotor core (7), rear bearing (11), this rotor assembling (6) is fixed in the axis hole of front end housing (1) and rear end cap (12) by rotating shaft (8) and forward and backward bearing (2,11), the outer surface of rotor assembling (6) is inlayed mouse cage sliver (9) sliver (9) two ends equably and is cast with end ring, form the rotor mouse cage with sliver (9), the end ring two ends also are furnished with the blade to the rotor surface heat radiation.
2. bullet train variable speed electric motors, particularly according to claim 1 is characterized in that described forward and backward bearing (2,11) is a self-lubricating deep groove ball bearing.
3. bullet train variable speed electric motors, particularly according to claim 1 is characterized in that the major parameter of this variable speed electric motors, particularly: rated power Pn=0.6kw when rated power Pn=2.4kw, four utmost points during two utmost points; Rated voltage Un=440V; Rated frequency f=50Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206771819U CN201937420U (en) | 2010-12-23 | 2010-12-23 | Speed-variable motor of high-speed train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206771819U CN201937420U (en) | 2010-12-23 | 2010-12-23 | Speed-variable motor of high-speed train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201937420U true CN201937420U (en) | 2011-08-17 |
Family
ID=44448925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206771819U Expired - Lifetime CN201937420U (en) | 2010-12-23 | 2010-12-23 | Speed-variable motor of high-speed train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201937420U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100200A (en) * | 2016-06-06 | 2016-11-09 | 襄阳航力机电技术发展有限公司 | A kind of high-voltage brushless DC generator structure |
| CN107681855A (en) * | 2017-10-20 | 2018-02-09 | 中车永济电机有限公司 | Power concentration EMUs asynchronous traction motor |
-
2010
- 2010-12-23 CN CN2010206771819U patent/CN201937420U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100200A (en) * | 2016-06-06 | 2016-11-09 | 襄阳航力机电技术发展有限公司 | A kind of high-voltage brushless DC generator structure |
| CN107681855A (en) * | 2017-10-20 | 2018-02-09 | 中车永济电机有限公司 | Power concentration EMUs asynchronous traction motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhuzhou Electric Locomotive Motor Repair Manufacture Co., Ltd Assignor: Liancheng Group Co., Ltd., Zhuzhou Contract record no.: 2012430000035 Denomination of utility model: Speed-variable motor of high-speed train Granted publication date: 20110817 License type: Exclusive License Record date: 20120418 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |
|
| CX01 | Expiry of patent term |