CN202737708U - Assembly type mixed excitation generator - Google Patents
Assembly type mixed excitation generator Download PDFInfo
- Publication number
- CN202737708U CN202737708U CN 201220326330 CN201220326330U CN202737708U CN 202737708 U CN202737708 U CN 202737708U CN 201220326330 CN201220326330 CN 201220326330 CN 201220326330 U CN201220326330 U CN 201220326330U CN 202737708 U CN202737708 U CN 202737708U
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- rotor
- magnetic pole
- stator
- magnetic
- pole tooth
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- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to a generator, especially relates to an assembly type mixed excitation generator comprising a stator and a rotor. The rotor is fixedly disposed on a rotary shaft, and an outer surface of the rotor is uniformly provided with a plurality of magnetic pole teeth, which are provided with excitation coils in a winded manner. The stator is disposed on an outer side of the rotor in an encircled manner, and an inner wall of the stator is provided with a stator groove. An armature coil is embedded in the stator groove. The utility model is characterized in that the rotor comprises a magnetic conductive shaft sleeve sleeved on the rotary shaft, the magnetic pole teeth fixedly connected with the magnetic conductive shaft sleeve, and permanent magnets disposed between adjacent magnetic pole teeth in an embedded manner; polarities of two adjacent permanent magnets are parallely connected together. The mixed excitation generator has advantages of simple structure, simple production assembly technology, high excitation efficiency, and convenient air gap magnetic field adjustment.
Description
Technical field
The utility model relates to a kind of generator, especially a kind of assembled hybrid excitation generator.
Background technology
Namely have excitation winding that permanent magnet is arranged again in the hybrid excitation generator, two magnetic potential sources exist simultaneously.The advantages such as it is integrated electric excitation synchronous motor adjustable magnetic is convenient and the adjustable magnetic capacity is little and the permanent magnet synchronous electric engine efficiency is high, torque/mass ratio is large have overcome again Magnetic Field for Permanent Magnet Electrical Machines simultaneously and have regulated difficult defective.But hybrid exciting synchronous motor exists complex structure in varying degrees at present, the combination assembling is difficult, the magnetic circuit additional air gap is many, main field is difficult to full adjusting, rotor and produces easily the problems such as torsional oscillation and heating demagnetization.
Summary of the invention
The purpose of this utility model provide a kind of simple in structure, produce that assembly technology is simple, air-gap field is easy to adjust, the high assembled hybrid excitation generator of the output quality of power supply.
For achieving the above object, the utility model adopts following technical scheme:
A kind of assembled hybrid excitation generator described in the utility model comprises stator and rotor, described rotor is fixedly mounted in the rotating shaft, the outer surface of rotor is evenly distributed with a plurality of magnetic pole tooths, magnet exciting coil is installed on the magnetic pole tooth, track ring is around the outside that is arranged on rotor, be provided with stator slot on the inwall of stator, armature coil is inlaid in the stator slot, it is characterized in that: described rotor comprises the magnetic conduction axle sleeve that is sleeved in the rotating shaft, be fixedly connected on the magnetic pole tooth that magnetic conductive axis puts, be embedded with permanent magnet between the two adjacent magnetic pole tooths, the polarity of two adjacent permanent magnets is in parallel.
Described magnetic pole tooth a plurality of damping cage bars extremely are installed, the two ends of damping cage bar are fixedly connected with connecting plate; Magnetic pole tooth is fixed by bolts to magnetic conductive axis and puts.
Adopt after the technique scheme, the utlity model has following advantage:
1, can effectively solve the low speed problems such as the easy loss of excitation of hybrid excitation generator, rotor torsion oscillation that are incorporated into the power networks.
2, air-gap induction is large, and motor can be realized high power density.
3, effective demagnetization, Accident prevention enlarges when internal fault of electric generator.
4, the assembled rotor structure is compact, and it is simple to produce assembly technology, is conducive to reduce cost and reduce trouble.Excitation winding adopts prefabricated mounting means, and copper factor significantly improves, and energy-saving effect is obvious.
5, excitation efficiency is high, air-gap field is easy to adjust, and output voltage is adjustable, and the output quality of power supply is high.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Embodiment
As shown in Figure 1, a kind of assembled hybrid excitation generator described in the utility model, comprise stator 8 and rotor, described rotor is fixedly mounted in the rotating shaft 3, the outer surface of rotor is evenly distributed with a plurality of magnetic pole tooths 2, magnet exciting coil 10 is installed on the magnetic pole tooth 2, track ring is around the outside that is arranged on rotor, be provided with stator slot on the inwall of stator 8, armature coil 9 is inlaid in the stator slot, it is characterized in that: described rotor comprises the magnetic conduction axle sleeve 7 that is sleeved in the rotating shaft 3, be fixedly mounted on the magnetic pole tooth 2 on the magnetic conduction axle sleeve 7, magnetic pole tooth 2 is fixed by bolts on the magnetic conduction axle sleeve 7.Be embedded with permanent magnet 1 between the two adjacent magnetic pole tooths 2, the polarity of two adjacent permanent magnets 1 is in parallel.
The damping cage bar 5 that a plurality of low-resistivities extremely are installed of described magnetic pole tooth 2, the two ends of damping cage bar 5 are fixedly connected with the connecting plate 4 of low-resistivity.Damping cage bar 5 can effectively reduce the space harmonics of resultant magnetic field and the rotor torsion oscillation problem that time harmonic produces, and reduces the magnetic pole caloric value, and the protection permanent magnet is avoided the high temperature demagnetization.Improve the generator output quality of power supply.
The specific works principle is as follows:
When magnet exciting coil 10 obstructed electric current, the magnetic flux path that permanent magnet 1 produces is: the S utmost point of another magnetic pole tooth 2 → permanent magnet 1 of the N utmost point → magnetic pole tooth 2 → magnetic conduction axle sleeve 7 of permanent magnet 1 → adjacent, permanent magnet flux forms magnetic short circuited ring in rotor core, does not provide main flux to air gap.
When magnet exciting coil 10 galvanization, magnet exciting coil 10 produces magnetic potential, and with respect to the machine operation air gap, permanent magnetism and electric magnetic excitation circuit are parallel-connection structure,
The electro-magnetic flux path is: magnetic pole tooth 2 → air gap → stator → air gap → magnetic pole tooth 2.
The permanent magnet flux path is divided into two groups, and one the tunnel is: the S utmost point of another magnetic pole tooth 2 → permanent magnet 1 of the N utmost point → magnetic pole tooth 2 → air gap of permanent magnet 1 → stator → air gap → adjacent; Another road is: the S utmost point of another magnetic pole tooth 2 → permanent magnet 1 of the N utmost point → magnetic pole tooth 2 → magnetic conduction axle sleeve 7 of permanent magnet 1 → adjacent.When electric magnet exciting coil electric current changed, permanent magnet flux changed in the ratio regular meeting of two-way magnetic flux, thereby played the purpose of regulating the air-gap flux size.
These two magnetic circuits are relatively independent, and both parallel connections provide the work magnetic flux, and acting in conjunction forms the air gap main field, and the magnetic potential that produces in air gap depends on the magnetic potential of magnet exciting coil, and the size of main flux depends on the magnetic potential of magnet exciting coil, and controllability is good.
Claims (2)
1. assembled hybrid excitation generator, comprise stator (8) and rotor, described rotor is fixedly mounted in the rotating shaft (3), the outer surface of rotor is evenly distributed with a plurality of magnetic pole tooths (2), magnet exciting coil (10) is installed on the magnetic pole tooth (2), track ring is around the outside that is arranged on rotor, be provided with stator slot on the inwall of stator (8), armature coil (9) is inlaid in the stator slot, it is characterized in that: described rotor comprises the magnetic conduction axle sleeve (7) that is sleeved in the rotating shaft (3), be fixedly connected on the magnetic pole tooth (2) on the magnetic conduction axle sleeve (7), be embedded with permanent magnet (1) between adjacent two magnetic pole tooths (2), the polarity of adjacent two permanent magnets (1) is in parallel.
2. a kind of assembled hybrid excitation generator according to claim 1 is characterized in that: described magnetic pole tooth (2) a plurality of damping cage bars (5) extremely are installed, the two ends of damping cage bar (5) are fixedly connected with connecting plate (4); Magnetic pole tooth (2) is fixed by bolts on the magnetic conduction axle sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326330 CN202737708U (en) | 2012-07-06 | 2012-07-06 | Assembly type mixed excitation generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326330 CN202737708U (en) | 2012-07-06 | 2012-07-06 | Assembly type mixed excitation generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737708U true CN202737708U (en) | 2013-02-13 |
Family
ID=47663367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220326330 Expired - Fee Related CN202737708U (en) | 2012-07-06 | 2012-07-06 | Assembly type mixed excitation generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737708U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738992A (en) * | 2012-07-06 | 2012-10-17 | 王光顺 | Assembled mixed excitation generator |
| CN103248276A (en) * | 2013-05-23 | 2013-08-14 | 刘中玉 | Novel power generator |
| CN113507176A (en) * | 2021-06-08 | 2021-10-15 | 南京航空航天大学 | Rotor multi-groove type induction excitation type hybrid excitation motor |
-
2012
- 2012-07-06 CN CN 201220326330 patent/CN202737708U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738992A (en) * | 2012-07-06 | 2012-10-17 | 王光顺 | Assembled mixed excitation generator |
| CN103248276A (en) * | 2013-05-23 | 2013-08-14 | 刘中玉 | Novel power generator |
| CN103248276B (en) * | 2013-05-23 | 2016-06-29 | 刘中玉 | A kind of novel electricity generator |
| CN113507176A (en) * | 2021-06-08 | 2021-10-15 | 南京航空航天大学 | Rotor multi-groove type induction excitation type hybrid excitation motor |
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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: 20130213 Termination date: 20130706 |