CN2836317Y - Rotor with salient poles of linear synchronous motor - Google Patents
Rotor with salient poles of linear synchronous motor Download PDFInfo
- Publication number
- CN2836317Y CN2836317Y CN 200520077977 CN200520077977U CN2836317Y CN 2836317 Y CN2836317 Y CN 2836317Y CN 200520077977 CN200520077977 CN 200520077977 CN 200520077977 U CN200520077977 U CN 200520077977U CN 2836317 Y CN2836317 Y CN 2836317Y
- Authority
- CN
- China
- Prior art keywords
- rotor
- rotor core
- air gap
- electric motors
- linear
- 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.)
- Expired - Fee Related
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model has been announced a kind of linear synchronous generator field spider that uses in magnetic suspension industry, comprises rotor core, is arranged with the rotor-exciting winding on rotor core, it is characterized in that being provided with air gap in the protruding bottom of rotor core.The utility model is to keep having reduced cost on electromagnetic linear motor power and the basic basis of invariable of air-gap field; Simultaneously, this scheme is compared with German TR08 type linear electric motors magnetic suspension structure, and rotor structure is still kept salient pole, has weakened the distance between the rotor, makes air gap even, thereby makes the field waveform of keeping air gap constant; Therefore core rotor is saved material and is meaned required linear electric motors suspending power minimizing on locomotive; The suspending power of normal conduction linear electric motors is not high with the ratio of tractive effort, and along with increasing of speed, this ratio also can descend, and therefore alleviates the about 1/7 times of weight of rotor core part, and is very favourable to system.
Description
Technical field
The utility model relates to a kind of rotor, relates in particular to a kind of linear synchronous generator field spider that uses in magnetic suspension industry.
Background technology
High-speed maglev train is a traffic technique advanced in the world, and it is with the long stator synchronous linear motor traction, and with large-scale AC frequency conversion power supply power supply, locomotive and interorbital are carried out contactless moving.This operational mode is compared with traditional railway vehicles such as High-speed Wheel, advantage has does not have friction between stator and rotor, adopt the electric energy power supply pollution-free, energy-efficient, be current unique can reach 500 kilometers/time overall trip speed the ground passenger vehicles, the high speed passenger transportation in mainly being applicable to, between long distance, bus's flow, big city.The primary structure of high-speed magnetic levitation technology is a powerful long stator linear motor, and in initial model, rotor is a salient-pole structure, and the stator and rotor winding is connected with 1～3.0A/mm
2Electric current, in air gap, produce very high air-gap field.Magnetic density is very little in the bottom of protruding level structure, so this part material is little to the contribution of electromagnetic field, also has the phenomenon of waste of material simultaneously
Summary of the invention
The utility model provides a kind of and is keeping on electromagnetic linear motor power and the basic basis of invariable of air-gap field the linear synchronous generator field spider that can reduce cost.
The utility model adopts following technical scheme:
A kind of linear synchronous generator field spider that uses in magnetic suspension industry comprises rotor core, is arranged with the rotor-exciting winding on rotor core, is provided with air gap in the protruding bottom of rotor core.
Compared with prior art, the utlity model has following advantage:
The utility model is provided with air gap in the bottom of rotor core, and material has been saved, and the magnetic field in the rotor does not all have big change, and through Numerical Calculation of Electromagnetic Fields, air-gap field is not affected, and the electromagnetic force of motor does not change yet, and difference is less than 1%.This scheme is saved 1/7 ferromagnetic material approximately, for expensive every kilometer large project that reaches several hundred million yuan, has saved production cost greatly.Therefore, the utility model is to keep having reduced cost on electromagnetic linear motor power and the basic basis of invariable of air-gap field.Simultaneously, this scheme is compared with German TR08 type linear electric motors magnetic suspension structure, and rotor structure is still kept salient pole, has weakened the distance between the rotor, makes air gap even.Thereby make the field waveform of keeping air gap constant.Therefore core rotor is saved material and is meaned required linear electric motors suspending power minimizing on locomotive.The suspending power of normal conduction linear electric motors is not high with the ratio of tractive effort, and along with increasing of speed, this ratio also can descend, and therefore alleviates the about 1/7 times of weight of rotor core part, and is very favourable to system.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
A kind of linear synchronous generator field spider that uses in magnetic suspension industry, comprise rotor core 1, on rotor core 1, be arranged with rotor-exciting winding 2, protruding bottom at rotor core 1 is provided with air gap 3, the cross sectional shape that is provided with non-magnetizer 4 air gaps 3 in the air gap 3 at rotor core 1 is made of rectangle and triangle stack, is provided with linear electric generator 5 on the protruding top of rotor core 1.
Claims (4)
1, a kind of linear synchronous generator field spider that uses in magnetic suspension industry comprises rotor core (1), is arranged with rotor-exciting winding (2) on rotor core (1), it is characterized in that being provided with air gap (3) in the protruding bottom of rotor core (1).
2, linear synchronous generator field spider according to claim 1 is characterized in that being provided with non-magnetizer (4) in the air gap (3) in rotor core (1).
3, linear synchronous generator field spider according to claim 1 and 2 is characterized in that the cross sectional shape of air gap (3) is made of rectangle and triangle stack.
4, linear synchronous generator field spider according to claim 1 is characterized in that being provided with linear electric generator (5) on the protruding top of rotor core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520077977 CN2836317Y (en) | 2005-11-29 | 2005-11-29 | Rotor with salient poles of linear synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520077977 CN2836317Y (en) | 2005-11-29 | 2005-11-29 | Rotor with salient poles of linear synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2836317Y true CN2836317Y (en) | 2006-11-08 |
Family
ID=37300967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520077977 Expired - Fee Related CN2836317Y (en) | 2005-11-29 | 2005-11-29 | Rotor with salient poles of linear synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2836317Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977009A (en) * | 2010-10-09 | 2011-02-16 | 江苏中容电气有限公司 | Control method of sine wave linear motor for feed driving of high-precision numerical control machine |
-
2005
- 2005-11-29 CN CN 200520077977 patent/CN2836317Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977009A (en) * | 2010-10-09 | 2011-02-16 | 江苏中容电气有限公司 | Control method of sine wave linear motor for feed driving of high-precision numerical control machine |
| CN101977009B (en) * | 2010-10-09 | 2013-01-02 | 江苏中容电气有限公司 | Control method of sine wave linear motor for feed driving of high-precision numerical control machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061108 Termination date: 20091229 |