CN203933311U - Can realize the motor of synchronous asynchronous conversion - Google Patents
Can realize the motor of synchronous asynchronous conversion Download PDFInfo
- Publication number
- CN203933311U CN203933311U CN201420233586.1U CN201420233586U CN203933311U CN 203933311 U CN203933311 U CN 203933311U CN 201420233586 U CN201420233586 U CN 201420233586U CN 203933311 U CN203933311 U CN 203933311U
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- China
- Prior art keywords
- motor
- case body
- bellows
- bearing
- synchronous asynchronous
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- Expired - Fee Related
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A kind of motor of realizing synchronous asynchronous conversion, the two ends of bearing are respectively equipped with a motor, two motor are respectively connected with a bearing, a motor is connected with motor case body, another motor is connected with bellows, the lower end of motor case body is provided with three phase mains interface, and the upper end of motor case body is provided with thread-changing interface, and motor body is positioned at the inside of motor case body.The utility model has been realized pure asynchronous operation and two kinds of operational modes of asynchronous starting synchronous operation of motor, and the multi-state of having realized a motor is used.
Description
Technical field
The utility model belongs to motor device field, particularly a kind of motor of realizing synchronous asynchronous conversion.
Background technology
It is larger that synchronous motor is used for power draw, and rotating speed does not require the manufacturing machine of adjusting, or require the load of constant rotational speed operation, as large pump, air compressor, Mine Ventilator etc.; Because synchronous machine has advantages of power factor, can regulate, therefore synchronous compensator can regulate the reactive power of electrical network, to improve the power factor of electrical network, improve the performance driving economy of electrical network and the stability of voltage; But synchronous machine cannot directly start, need be by amortisseur bar asynchronous starting, and the manufacturing cost of same power synchronous machine exceeds 1/3 left and right than asynchronous machine; It is large that wound rotor asynchronous machine can adopt the method that accesses resistance in rotor winding to reach detent torque, the effect that starting current is little, thus obtain good startability; But asynchronous machine need to, from electrical network absorbing reactive power to rotor-exciting, so there is the shortcomings such as power factor is low, power factor hysteresis, reduce electric network source quality.
Summary of the invention
The purpose of this utility model is to overcome above-described problem.
The purpose of this utility model is achieved in that a kind of motor of realizing synchronous asynchronous conversion, comprise bearing, bellows, motor body, it is characterized in that: the two ends of described bearing are respectively equipped with a motor, two motor are respectively connected with a bearing, a motor is connected with motor case body, and another motor is connected with bellows; The lower end of motor case body is provided with three phase mains interface, and the upper end of motor case body is provided with thread-changing interface, and motor body is positioned at the inside of motor case body.
The centre of described motor body is provided with stator core, and stator core scatters stator slot around, is embedding three-phase symmetric winding in stator slot; Magnetic pole is housed on stator core, on magnetic pole, is wound with excitation resistance.
The surface of described bellows is provided with shutter, and the upper end of bellows is provided with exhaust pipe mouth.
On described bearing, be provided with fin, fin is positioned at the below of bellows.
The utility model has been realized pure asynchronous operation and two kinds of operational modes of asynchronous starting synchronous operation of motor, and the multi-state of having realized a motor is used.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Rotor wiring schematic diagram when Fig. 2 is the utility model asynchronous starting.
Rotor wiring schematic diagram when Fig. 3 is the utility model synchronous operation.
In figure: 1. bearing; 2. bearing; 3. motor; 4. bellows; 5. exhaust pipe mouth; 6. shutter; 7. motor case body; 8. thread-changing interface; 9. stator core; 10. stator slot; 11. three-phase symmetric windings; 12. magnetic poles; 13. excitation resistances; 14. three phase mains interfaces; 15. motor bodies; 16. fin.
Embodiment
Below in conjunction with accompanying drawing, provide the utility model preferred embodiment, to describe the technical solution of the utility model in detail.
A kind of motor of realizing synchronous asynchronous conversion, comprise bearing 1, bellows 4, motor body 15, the two ends of described bearing 1 are respectively equipped with 3, two motor of a motor 3 and are respectively connected with a bearing 2, a motor 3 is connected with motor case body 7, and another motor 3 is connected with bellows 4; The lower end of motor case body 7 is provided with three phase mains interface 14, and the upper end of motor case body 7 is provided with thread-changing interface 8, and motor body 15 is positioned at the inside of motor case body 7; The centre of motor body 15 is provided with stator core 9, and stator core 9 scatters stator slot 10 around, is embedding three-phase symmetric winding 11 in stator slot 10; Magnetic pole 12 is housed on stator core 9, on magnetic pole 12, is wound with excitation resistance 13; The surface of bellows 4 is provided with shutter 6, and the upper end of bellows 4 is provided with exhaust pipe mouth 5; On bearing 1, be provided with fin 16, fin 16 is positioned at the below of bellows 4, and fin 16 further improves heat dispersion.
During concrete enforcement, the structure of motor line winding rotor is identical with asynchronous machine, and after rotor wiring, every phase initial and end lead wire all leads to slip ring and picks out, and distinguishes mark K1, M1, N1, K2, M2, N2; When motor starts as asynchronous machine, lane changing equipment connects rotor wiring as shown in Figure 2, and now motor is the wound rotor asynchronous machine that a rotor " △ " connects; When motor needs synchronous operation, lane changing equipment connects rotor wiring as shown in Figure 3, accesses DC excitation power on rotor wiring simultaneously, and now motor is equal to hidden pole type synchronous machine.
Above-described specific embodiment; the technical problem of solution of the present utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (4)
1. can realize the motor that synchronous asynchronous is changed for one kind, comprise bearing (1), bellows (4), motor body (15), it is characterized in that: the two ends of described bearing (1) are respectively equipped with a motor (3), each is connected two motor (3) with a bearing (2), a motor (3) is connected with motor case body (7), and another motor (3) is connected with bellows (4); The lower end of motor case body (7) is provided with three phase mains interface (14), and the upper end of motor case body (7) is provided with thread-changing interface (8), and motor body (15) is positioned at the inside of motor case body (7).
2. the motor of realizing synchronous asynchronous conversion as claimed in claim 1, it is characterized in that: the centre of described motor body (15) is provided with stator core (9), stator core (9) scatters stator slot (10) around, is embedding three-phase symmetric winding (11) in stator slot (10); Magnetic pole (12) is housed on stator core (9), on magnetic pole (12), is wound with excitation resistance (13).
3. the motor of realizing synchronous asynchronous conversion as claimed in claim 1, is characterized in that: the surface of described bellows (4) is provided with shutter (6), and the upper end of bellows (4) is provided with exhaust pipe mouth (5).
4. the motor of realizing synchronous asynchronous conversion as claimed in claim 1, is characterized in that: on described bearing (1), be provided with fin (16), fin (16) is positioned at the below of bellows (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233586.1U CN203933311U (en) | 2014-05-08 | 2014-05-08 | Can realize the motor of synchronous asynchronous conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233586.1U CN203933311U (en) | 2014-05-08 | 2014-05-08 | Can realize the motor of synchronous asynchronous conversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203933311U true CN203933311U (en) | 2014-11-05 |
Family
ID=51829063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420233586.1U Expired - Fee Related CN203933311U (en) | 2014-05-08 | 2014-05-08 | Can realize the motor of synchronous asynchronous conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203933311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997173A (en) * | 2014-05-08 | 2014-08-20 | 江苏航天动力机电有限公司 | Synchronous and asynchronous switched motor |
-
2014
- 2014-05-08 CN CN201420233586.1U patent/CN203933311U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997173A (en) * | 2014-05-08 | 2014-08-20 | 江苏航天动力机电有限公司 | Synchronous and asynchronous switched motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 |