CN201393096Y - Intermediate-frequency permanent magnet generator - Google Patents
Intermediate-frequency permanent magnet generator Download PDFInfo
- Publication number
- CN201393096Y CN201393096Y CN200920142573U CN200920142573U CN201393096Y CN 201393096 Y CN201393096 Y CN 201393096Y CN 200920142573 U CN200920142573 U CN 200920142573U CN 200920142573 U CN200920142573 U CN 200920142573U CN 201393096 Y CN201393096 Y CN 201393096Y
- Authority
- CN
- China
- Prior art keywords
- fan
- permanent magnets
- generator
- intermediate frequency
- winding
- 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 - Lifetime
Links
Images
Abstract
An intermediate-frequency permanent magnet generator is characterized in that a set of three-phase intermediate-frequency windings is connected with a stator core slot of the generator; the intermediate-frequency winding is a fractional winding; permanent magnets, a non-magnetic yoke, fan-shaped magnetic poles, a front fan and a rear fan form a permanent magnet rotor; even-numbered n dovetail grooves are formed on the outer circumference of the non-magnetic yoke; the fan-shaped magnetic poles have dovetail-shaped small heads; n fan-shaped magnetic poles are inlaid in the grooves of the non-magnetic yoke; n rectangular permanent magnets are sandwiched by the fan-shaped magnetic poles; the permanent magnets are distributed in such a manner that the N pole and the S pole of the adjacent magnet are arranged in sequence; and the number n is determined according to the requirement of the generator. The intermediate-frequency permanent magnet generator can achieve intermediate-frequency power generate through the permanent magnets so as to output three-phase intermediate-frequency AC current, and has the advantages of high stability of terminal voltage (smaller than 5%), high sine performance of the intermediate-frequency voltage waveform, high power quality, simple structure, small size, light weight and high efficiency.
Description
Technical field
The present invention relates to a kind of rotary power source, relate in particular to a kind of intermediate frequency permanent magnet generator.
Background technology
Fast development along with rare earth permanent-magnetic material, rare earth permanent-magnetic material has begun to use at machine field, the permanent magnet generator that rare earth permanent-magnetic material is made has characteristics such as volume is little, in light weight, efficient height, and the permanent magnet generator of existing zero intermediate frequency must a kind of intermediate frequency permanent magnet generator of research.
Summary of the invention
The object of the present invention is to provide a kind of intermediate frequency permanent magnet generator, this intermediate frequency permanent magnet generator is a kind of alternating current generator, realizes intermediate frequency generating, generating voltage lasting accuracy height by permanent magnetism.
The present invention is achieved like this, it comprises the intermediate frequency winding, stator core, permanent magnets, fan-shaped magnetic pole, non-conductive magnetic yoke, p-m rotor, fan, the stator core that it is characterized in that this generator is overrided to form by the high magnetic conduction cold rolled silicon steel ring segment of the uniform 1.5n of having in inner periphery place opening pyriform flat-bottom slot, connect a cover three-phase intermediate frequency winding in the stator coring groove, two conductor limits that the out-phase winding coil is arranged in the groove, the spacer insulator paper on every different phase winding coil-conductor limit injects a trapezoidal copper tube, the intermediate frequency main winding is the mark winding, permanent magnets, non-conductive magnetic yoke, fan-shaped magnetic pole and front and back fan are formed p-m rotor, have n dovetail Baltimore groove in the non-conductive magnetic yoke cylindrical into even number, the microcephaly of fan-shaped magnetic pole is a swallow-tail form, be packed with n fan-shaped magnetic pole in the non-conductive magnetic yoke groove, sandwich n rectangle permanent magnets between fan-shaped magnetic pole, the permanent magnets magnetic direction distributes the magnetic direction of adjacent pole is distributed successively by the N utmost point and the S utmost point, and magnetic pole number of poles n determines according to the generator needs.
Technique effect of the present invention is: 1, the intermediate frequency permanent magnet generator is realized the intermediate frequency generating by permanent magnet, output three-phase midfrequent AC power supply; 2, intermediate frequency permanent magnet generator set end voltage stability height, less than 5%, voltage of intermediate frequency waveform sine is good, and power supply quality is good; 3, electric generator structure is simple, and volume is little, and is in light weight, the efficient height.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an intermediate frequency winding distribution map of the present invention.
Fig. 3 is permanent magnet rotor structure figure of the present invention.
Front end housing 2, intermediate frequency winding 3, stator core 4, permanent magnets 5, fan-shaped magnetic pole 6, non-conductive magnetic yoke 7, p-m rotor 8, fan 9, aluminium support 10, protective cover in the drawings, 1,
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, this practicality is to realize like this, it comprises front end housing 1, intermediate frequency winding 2, stator core 3, permanent magnets 4, fan-shaped magnetic pole 5, non-conductive magnetic yoke 6, p-m rotor 7, fan 8, aluminium support 9, protective cover 10, it is characterized in that, the stator core 3 of this generator is overrided to form by the high magnetic conduction cold rolled silicon steel ring segment of the uniform 1.5n of having in inner periphery place opening pyriform flat-bottom slot, connect a cover three-phase intermediate frequency winding 2 in the stator coring groove, two conductor limits that the out-phase winding coil is arranged in the groove, the spacer insulator paper on every different phase winding coil-conductor limit injects a trapezoidal copper tube, the intermediate frequency main winding is the mark winding, permanent magnets 4, non-conductive magnetic yoke 6, fan-shaped magnetic pole 5 and front and back fan 8 are formed p-m rotor 7, have n dovetail Baltimore groove in non-conductive magnetic yoke 6 cylindricals into even number, the microcephaly of fan-shaped magnetic pole 5 is a swallow-tail form, be packed with n fan-shaped magnetic pole 5 in non-conductive magnetic yoke 6 grooves, 5 of fan-shaped magnetic poles sandwich n rectangle permanent magnets, the permanent magnets magnetic direction distributes the magnetic direction of adjacent pole is distributed successively by the N utmost point and the S utmost point, magnetic pole number of poles n determines according to the generator needs, the front and back end of motor connects front end housing 1 and protective cover 10 respectively, and the motor upper end connects aluminium support 9.After motor driven intermediate frequency permanent magnet generator reached rated speed, intermediate frequency winding cutting permanent magnetic field induced three-phase midfrequent AC voltage.The stator core 3 of this generator is overrided to form by the uniform high magnetic conduction cold rolled silicon steel ring segment that has 24 opening pyriform flat-bottom slots in inner periphery place, be furnished with three-phase intermediate frequency winding 2 in stator core 3 grooves, intermediate frequency winding 2 is a fractional slot winding, every phase intermediate frequency winding 2 has 8 coil aperture to be in series, the coil of U phase intermediate frequency winding is striden a tooth every bidentate and is distributed in the groove successively, the U phase, the V phase, the coil of W phase intermediate frequency winding successively adjacent distributions in groove, two conductor limits that the out-phase winding coil is arranged in the groove, the spacer insulator paper on every groove out-phase winding coil conductor limit injects a trapezoidal copper tube and is used for intermediate frequency winding ventilation and heat, permanent magnets 4, non-conductive magnetic yoke 6, fan-shaped magnetic pole 5 and two fans 8 are formed p-m rotor 7, having in non-conductive magnetic yoke 6 cylindricals is 16 dovetail Baltimore grooves, the microcephaly of fan-shaped magnetic pole 5 is a swallow-tail form, embed 16 fan-shaped magnetic poles 5 in non-conductive magnetic yoke 6 grooves respectively, 5 of fan-shaped magnetic poles sandwich 16 rectangle permanent magnets, the permanent magnets magnetic direction distributes the magnetic direction of adjacent pole is distributed successively by the N utmost point and the S utmost point, fan-shaped number of magnetic poles also can be determined according to the generator needs, can constitute the intermediate frequency permanent magnet generator of 400Hz electricity output, non-conductive magnetic yoke front end center is a bellmouth, the center also has a screwed hole, be used for matching and accept the engine transmitting rotary power with the diminished shaft of engine, screwed hole is used to eject rotor, four curved waist holes of the same Zhou Kaiyou of non-conductive magnetic yoke are as the air inlet of generator front end internal heat dissipating, front end face is adorned a fan with screw, rear end face is adorned a fan with screw, be used for the generator internal heat dissipating, especially reduce the permanent magnets temperature and avoid the heat demagnetization, fan is welded with non-magnetic stainless steel plate can avoid permanent magnets two ends leakage field, front end is stamped an inner stopper and male half coupling, the front end housing inner stopper is used for generator and docks with the engine male half coupling, hot jacket is equipped with the stator core of band intermediate frequency winding in the aluminium support 9, aluminium support 9 front ends have inner stopper to dock with the front end housing male half coupling, aluminium support 9 front end urceolus have a circle mounting hole as the generator outlet opening that dispels the heat, aluminium support and front end housing that the stator core of band intermediate frequency winding will be housed with bolt are assembled into one, protective cover 10 is equipped with screw in aluminium support 9 rear ends, has the air inlet that the blinds hole is used for the generator internal heat dissipating in the fan external diameter scope in protective cover 10 centres.
Claims (1)
1, a kind of intermediate frequency permanent magnet generator, it comprises the intermediate frequency winding, stator core, permanent magnets, fan-shaped magnetic pole, non-conductive magnetic yoke, p-m rotor, fan, the stator core that it is characterized in that this generator is overrided to form by the high magnetic conduction cold rolled silicon steel ring segment of the uniform 1.5n of having in inner periphery place opening pyriform flat-bottom slot, connect a cover three-phase intermediate frequency winding in the stator coring groove, two conductor limits that the out-phase winding coil is arranged in the groove, the spacer insulator paper on every different phase winding coil-conductor limit injects a trapezoidal copper tube, the intermediate frequency main winding is the mark winding, permanent magnets, non-conductive magnetic yoke, fan-shaped magnetic pole and front and back fan are formed p-m rotor, have n dovetail Baltimore groove in the non-conductive magnetic yoke cylindrical into even number, the microcephaly of fan-shaped magnetic pole is a swallow-tail form, be packed with n fan-shaped magnetic pole in the non-conductive magnetic yoke groove, sandwich n rectangle permanent magnets between fan-shaped magnetic pole, the permanent magnets magnetic direction distributes the magnetic direction of adjacent pole is distributed successively by the N utmost point and the S utmost point, and magnetic pole number of poles n determines according to the generator needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920142573U CN201393096Y (en) | 2009-04-28 | 2009-04-28 | Intermediate-frequency permanent magnet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920142573U CN201393096Y (en) | 2009-04-28 | 2009-04-28 | Intermediate-frequency permanent magnet generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201393096Y true CN201393096Y (en) | 2010-01-27 |
Family
ID=41599917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920142573U Expired - Lifetime CN201393096Y (en) | 2009-04-28 | 2009-04-28 | Intermediate-frequency permanent magnet generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201393096Y (en) |
-
2009
- 2009-04-28 CN CN200920142573U patent/CN201393096Y/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI451667B (en) | Permanent magnet generator and wind power generator using the same | |
| EP2190103B1 (en) | Axial gap type coreless rotating machine | |
| Soderlund et al. | A permanent-magnet generator for wind power applications | |
| CN103390978B (en) | A kind of bimorph transducer disc type mixed excitation electric machine | |
| CN103208893B (en) | Induced excitation formula composite excitation brushless synchronous motor | |
| CN101299560B (en) | Flux switching type axial magnetic field permanent magnet brushless motor | |
| WO2009070333A1 (en) | Wind turbine generator | |
| CN105048740A (en) | Permanent magnet and variable reluctance parallel hybrid excitation brushless motor | |
| TW201440389A (en) | High efficiency permanent magnet machine | |
| CN103795202A (en) | Novel wind generator with axial-magnetic-flux multiple stator/rotor structure | |
| US10644577B2 (en) | Rotor and motor having rotor | |
| CN109600010A (en) | A kind of bimorph transducer mixed excitation electric machine with Halbach permanent magnet array | |
| CN101546930B (en) | Intermediate frequency dynamo magneto | |
| CN105743309A (en) | Permanent magnet excitation electric generator | |
| CN104184234A (en) | Hybrid excitation double-air-gap claw pole motor | |
| CN106981937B (en) | A kind of rotor misconstruction motor | |
| US11336163B2 (en) | Low profile axial, flux permanent magnet synchronous motor | |
| CN104377930A (en) | Low-speed totally-closed type double-permanent-magnet single-phase brushless synchronous generator | |
| US20100289368A1 (en) | Alternator with angularly staggered stator stages | |
| Morimura et al. | Single Halbach field magnet desined from dual Halbach field magnet for rotating machines | |
| CN106655553B (en) | A kind of composite structure motor | |
| US7671509B2 (en) | Rotor and stator assemblies for permanent magnet electric generator | |
| CN104767336A (en) | Single-phase separately-excited magneto-resistive power generator | |
| Ocak et al. | Performance aspects and verifications of in-runner and out-runner permanent magnet synchronous generator designs of the same magnet structure for low speed wind systems | |
| CN201393096Y (en) | Intermediate-frequency permanent magnet generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100127 Effective date of abandoning: 20090428 |