CN206149117U - Harmonic self -excitation constant voltage mixed excitation permanent -magnet machine - Google Patents
Harmonic self -excitation constant voltage mixed excitation permanent -magnet machine Download PDFInfo
- Publication number
- CN206149117U CN206149117U CN201621038357.XU CN201621038357U CN206149117U CN 206149117 U CN206149117 U CN 206149117U CN 201621038357 U CN201621038357 U CN 201621038357U CN 206149117 U CN206149117 U CN 206149117U
- Authority
- CN
- China
- Prior art keywords
- magnetic pole
- rotor
- winding
- permanent
- permanent magnetism
- 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
Links
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model provides a harmonic self -excitation constant voltage mixed excitation permanent -magnet machine, includes casing, stator core, stator armature winding, rotor core, permanent magnet, rotor harmonic winding, rotor excitation winding and pivot. The stator armature winding distribute in the stator slot, rotor core is become with ferromagnetic permanent magnetic polar elements by the permanent magnetism magnetic pole, the permanent magnetism magnetic pole adopts nonuniform air gap, every permanent magnetism magnetic pole has inlayed the permanent magnet with built -in mode, the permanent magnet is about permanent magnetism pole center line symmetric distribution, one side along the circumferencial direction fluting of permanent magnetism pole center line, the rotor harmonic winding is arranged in the groove that the permanent magnetism magnetic pole was seted up, rotor excitation winding cover is at ferromagnetic magnetic pole pole body, it is direct continuous that rotor harmonic winding and rotor excitation winding pass through diode rectifier circuit. Compared with the prior art, the utility model discloses a mixed excitation permanent -magnet machine has the air gap field adjustment ability of wide region to and advantages such as self -excitation, constant voltage output and high efficiency.
Description
Technical field
This utility model belongs to technical field of motors, is related to a kind of magneto.
Background technology
The harmonic exitation hybrid excitation permanent magnet motor that harmonic exitation is formed in combination with permanent magnet excitation, not only can solve existing
With the presence of the exciting power of harmonic exitation is not enough and the problems such as the long motor excitation time, and the harmonic exitation power for obtaining can
For realizing the regulation of magneto air-gap field, therefore the advantage of both harmonic exitation and permanent magnet excitation can be given full play to.This
Outward, because the presence of permanent magnet, and permanent magnet excitation play a leading role, required harmonic exitation power is less, therefore, such motor
The high power density and high efficiency of magneto can be kept.
For common alternating current generator, what stator was typically slotted, Chinese patent ZL201110118451.1 proposes one
The hybrid excitation permanent magnet motor of tooth harmonic excitation is planted, while control signal is delivered to by stator by Radio Transmission Technology turning
Son, by the exciting current for controlling the output of tooth harmonic excitation system, to realize that electromotor is exported with constant pressure during different loads.But
The motor rotor construction is more complicated, needs to arrange wireless receiving module and chopper circuit, installs difficult in maintenance, while reducing fortune
Capable reliability.
Utility model content
The purpose of this utility model is to be directed to the deficiencies in the prior art, there is provided a kind of harmonic wave self-excited constant voltage composite excitation is forever
Magneto, the motor carries out excitation, and harmonic wave using the harmonic wave electromotive force that air-gap harmonic magnetic field senses in rotor harmonic winding
Electromotive force can change with the change of generator loading.
What the technical solution of the utility model was realized in.
A kind of harmonic wave self-excited constant voltage hybrid excitation permanent magnet motor described in the utility model, including a casing（1）, casing
（1）Built with by stator core（2）, stator armature winding（3）The stator of composition and by rotor core（4）, permanent magnet（5）, turn
Sub- harmonic winding（6）, rotor field coil（7）And rotating shaft（8）The rotor of composition；Stator core（2）Internal circular surfaces are uniformly slotted
（9）, stator armature winding（3）It is distributed in stator core（2）On the groove that along the circumferential direction uniformly opens up（9）In, rotor core（4）
By permanent magnetism magnetic pole（10）With ferromagnetic magnetic pole（11）Composition, permanent magnetism magnetic pole（10）Using non-uniform gap, the air gap at the top of magnetic pole compared with
Little, the air gap of magnetic pole both sides is larger, each permanent magnetism magnetic pole（10）Permanent magnet is embedded with built-in manner（5）, permanent magnet（5）With regard to forever
Magnetic magnetic pole（10）Centrage is symmetrical, permanent magnetism magnetic pole（10）Along the circumferential direction slot the side of centrage（12）, rotor harmonic wave
Winding（6）It is arranged in permanent magnetism magnetic pole（10）The groove for opening up（12）In, rotor field coil（7）It is enclosed within ferromagnetic magnetic pole（11）Pole body,
Rotor harmonic winding（6）And rotor field coil（7）It is joined directly together by diode rectifier circuit.
Stator armature winding described in the utility model（3）It can be multiphase symmetric winding；It can also be single-phase winding.
Permanent magnetism magnetic pole described in the utility model（10）With ferromagnetic magnetic pole（11）Quantity can be according to voltage regulation limits
It is determined that.
Motor described in the utility model can be inner rotor motor or external rotor electric machine.
Motor described in the utility model can be rotary pole formula motor or revolving-armature type machine.
Harmonic wave self-excited constant voltage hybrid excitation permanent magnet motor stator core of the present utility model（2）It is upper to arrange a set of stator armature
Winding（3）, for energy converting between mechanical.Rotor core（4）By permanent magnetism magnetic pole（10）With ferromagnetic magnetic pole（11）Composition, permanent magnet
（5）, rotor harmonic winding（6）It is arranged in permanent magnetism magnetic pole（10）, rotor field coil（7）It is arranged in ferromagnetic magnetic pole（11）Pole body.
The harmonic field that stator teeth notching is produced is in rotor harmonic winding（6）Middle induced harmonics electromotive force, the harmonic wave electromotive force Jing diodes
Directly to rotor field coil after rectification（7）Exciting current is provided.Permanent magnetism magnetic pole（10）With ferromagnetic magnetic pole（11）Number of poles sum
With stator armature winding（3）Number of poles it is identical, stator armature winding（3）With permanent magnet（5）And rotor field coil（7）Relatively
Should, electromagnetic induction effect is produced, equivalent to the synchronous motor of a rotary pole.
During electromotor no-load running, permanent magnet（5）And rotor field coil（7）It is common to produce excitation magnetomotive force, set up empty
Air-gap field is carried, due to rotor harmonic winding（6）It is arranged only at permanent magnetism magnetic pole（10）Centrage side is closeqThe position of axle, this
Time-harmonic wave electromotive force is less.When generator loading runs, permanent magnet（5）, rotor field coil（7）And stator armature winding
（3）Air-gap field is set up jointly, and due to the friendship magnetic action of armature-reaction, the spatial distribution of air-gap field can offset pole center line
(dAxle) certain angle so that with rotor harmonic winding（6）Corresponding harmonic field than it is unloaded when it is big, correspondingly, harmonic wave
Electromotive force is also bigger, so as to compensate the demagnetizing effect of armature-reaction, to ensure the constant of generator voltage.
Compared with prior art, hybrid excitation permanent magnet motor of the present utility model has following features.
1st, the harmonic wave electromotive force of the hybrid excitation permanent magnet motor is that permanent magnetism magnetomotive force acts on product in stator slot ripples magnetic conductance
Raw harmonic field sensing is obtained, and is solved conventional harmonic excitation magnetic synchronization motor excitation time length or is needed special excitation unit
Problem, possess the ability of self-excitation.
2nd, position and the number of turn of the hybrid excitation permanent magnet motor by harmonic winding on appropriate design permanent magnetism magnetic pole, brushless
In the case of without AC exciter and no-voltage actuator, the constant pressure output of electromotor is realized.
3rd, the hybrid excitation permanent magnet motor due to the presence of permanent magnet, required harmonic exitation power it is less, maintain permanent magnetism
The high efficiency of motor and the advantage of high power density.
Description of the drawings
Fig. 1 is harmonic wave self-excited constant voltage hybrid excitation permanent magnet motor structural representation of the present utility model, is also the A-A of Fig. 2
Sectional view.Wherein 1 is casing, and 2 is stator core, and 3 is stator armature winding, and 4 is rotor core, and 5 is permanent magnet, and 7 is rotor
Exciting Windings for Transverse Differential Protection, 8 is rotating shaft, and 10 is permanent magnetism magnetic pole, and 11 is ferromagnetic magnetic pole, and 13 is bearing.
Fig. 2 is the sectional view of motor shown in this utility model Fig. 1, with 6 extremely examples.Wherein 2 is stator core, and 3 is stator
Armature winding, 4 is rotor core, and 5 is permanent magnet, and 6 is rotor harmonic winding, and 7 is rotor field coil, and 8 is rotating shaft, and 9 is fixed
Pilot trench, 10 is permanent magnetism magnetic pole, and 11 is ferromagnetic magnetic pole, and 12 is rotor slot.
Fig. 3 is circuit theory diagrams of the present utility model.
Fig. 4 is the unloaded air gap flux density spatial distribution waveform that this utility model considers stator teeth notching.
The harmonic flux density spatial distribution waveform that stator teeth notching is produced when Fig. 5 is this utility model no-load running.
Fig. 6 is the load air gap flux density spatial distribution waveform that this utility model considers stator teeth notching.
The harmonic flux density spatial distribution waveform that stator teeth notching is produced when Fig. 7 is this utility model load running.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further detail with specific embodiment.
From Fig. 1-Fig. 3, harmonic wave self-excited constant voltage hybrid excitation permanent magnet motor of the present utility model, including casing 1, casing
Stator core 2 is configured with 1,9 are along the circumferential direction slotted on stator core 2, in groove 9 stator armature winding 3 is disposed with.Casing 1
Maintain static with stator core 2.Rotating shaft 8 is configured with casing 1, rotating shaft 8 is connected by bearing 13 with casing 1.Configure in rotating shaft 8
Rotor core 4, rotor core 4 is made up of permanent magnetism magnetic pole 10 and ferromagnetic magnetic pole 11, and permanent magnetism magnetic pole 10 adopts non-uniform gap, magnetic pole
The air gap at top is less, and the air gap of magnetic pole both sides is larger, and each permanent magnetism magnetic pole 10 is embedded with the permanent magnet 5 in V-shape arrangement, permanent magnetism
Body 5 is symmetrical with regard to the centrage of permanent magnetism magnetic pole 10, and the right side of the centrage of permanent magnetism magnetic pole 10 is along the circumferential direction closeqAxle is slotted
12, the particular location of fluting is relevant with electromotor internal impedance and load characteristic, and rotor harmonic winding 6 is arranged in permanent magnetism magnetic pole 10 and opens
If groove 12 in, rotor field coil 7 is enclosed within the pole body of ferromagnetic magnetic pole 11, and rotor harmonic winding 6 and rotor field coil 7 pass through two
Pole pipe rectification circuit is joined directly together.Rotor core 4, permanent magnet 5, rotor harmonic winding 6 and rotor field coil 7 can together with turn
The rotation in stator core 2 of axle 8.
Operation principle of the present utility model is：When electromotor no-load running, the counter clockwise direction of rotating shaft 7 is with synchronous speed rotation
Turn, permanent magnet 5 and rotor field coil 7 produce excitation magnetomotive force jointly, set up non-load air gap field, Fig. 4 is opened to consider stator
The unloaded air gap flux density spatial distribution waveform of groove, the harmonic flux density spatial distribution ripple that stator teeth notching is produced when Fig. 5 is no-load running
Shape.As shown in Figure 5, due to rotor harmonic winding 6 be arranged in the centrage of permanent magnetism magnetic pole 10 right side it is closeqThe position of axle, harmonic wave magnetic
Close less, correspondingly, harmonic wave electromotive force is also less.When generator loading runs, permanent magnet 5, rotor field coil 7 and stator
Armature winding 3 sets up air-gap field jointly, due to the friendship magnetic action of armature-reaction, in the spatial distribution opposing polarities of air-gap field
Heart line (dAxle) certain angle is offset, as shown in Figure 6.The harmonic flux density space that stator teeth notching is produced when Fig. 7 is load running
Distribution waveform, from the contrast of Fig. 5 and Fig. 7, the harmonic field corresponding with rotor harmonic winding 6 than it is unloaded when it is big, accordingly
Ground, harmonic wave electromotive force is also big than during zero load, such that it is able to compensate the demagnetizing effect of armature-reaction, realizes ensureing the constant pressure of electromotor
Output.
When this utility model is used as electromotor, stator armature winding 3 is connected with load, during as motor, stator armature
Winding 3 is connected with driving power supply.
Claims (5)
1. a kind of harmonic wave self-excited constant voltage hybrid excitation permanent magnet motor, an including casing（1）, it is characterized in that casing（1）Built with by
Stator core（2）, stator armature winding（3）The stator of composition and by rotor core（4）, permanent magnet（5）, rotor harmonic winding
（6）, rotor field coil（7）And rotating shaft（8）The rotor of composition；Stator core（2）Internal circular surfaces are uniformly slotted（9）, stator electricity
Pivot winding（3）It is distributed in stator core（2）On the groove that along the circumferential direction uniformly opens up（9）In, rotor core（4）By permanent magnetism magnetic pole
（10）With ferromagnetic magnetic pole（11）Composition, permanent magnetism magnetic pole（10）Using non-uniform gap, the air gap at the top of magnetic pole is less, magnetic pole both sides
Air gap it is larger, each permanent magnetism magnetic pole（10）Permanent magnet is embedded with built-in manner（5）, permanent magnet（5）With regard to permanent magnetism magnetic pole（10）
Centrage is symmetrical, permanent magnetism magnetic pole（10）Along the circumferential direction slot the side of centrage（12）, rotor harmonic winding（6）Arrangement
In permanent magnetism magnetic pole（10）The groove for opening up（12）In, rotor field coil（7）It is enclosed within ferromagnetic magnetic pole（11）Pole body, rotor harmonic winding
（6）And rotor field coil（7）It is joined directly together by diode rectifier circuit.
2. motor according to claim 1, is characterized in that described stator armature winding（3）For multiphase symmetric winding or list
Phase winding.
3. motor according to claim 1, is characterized in that described permanent magnetism magnetic pole（10）With ferromagnetic magnetic pole（11）Quantity
Determined according to voltage regulation limits.
4. motor according to claim 1, is characterized in that described motor for inner rotor motor or external rotor electric machine.
5. motor according to claim 1, is characterized in that described motor for rotary magnetic pole type motor or rotating armature
Formula motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038357.XU CN206149117U (en) | 2016-09-06 | 2016-09-06 | Harmonic self -excitation constant voltage mixed excitation permanent -magnet machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038357.XU CN206149117U (en) | 2016-09-06 | 2016-09-06 | Harmonic self -excitation constant voltage mixed excitation permanent -magnet machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206149117U true CN206149117U (en) | 2017-05-03 |
Family
ID=58619429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621038357.XU Expired - Fee Related CN206149117U (en) | 2016-09-06 | 2016-09-06 | Harmonic self -excitation constant voltage mixed excitation permanent -magnet machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206149117U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533105A (en) * | 2016-09-06 | 2017-03-22 | 南昌大学 | Harmonic self-excitation constant-voltage hybrid excitation permanent magnet motor |
| CN109327125A (en) * | 2018-10-26 | 2019-02-12 | 路明 | A kind of electricity-generating method and generator of generator |
-
2016
- 2016-09-06 CN CN201621038357.XU patent/CN206149117U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533105A (en) * | 2016-09-06 | 2017-03-22 | 南昌大学 | Harmonic self-excitation constant-voltage hybrid excitation permanent magnet motor |
| CN106533105B (en) * | 2016-09-06 | 2020-04-24 | 南昌大学 | Harmonic self-excitation constant-voltage hybrid excitation permanent magnet motor |
| CN109327125A (en) * | 2018-10-26 | 2019-02-12 | 路明 | A kind of electricity-generating method and generator of generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102185448B (en) | Hybrid excitation permanent magnet motor for wireless transmission and tooth harmonic excitation | |
| CN104682648B (en) | The hybrid excitation permanent magnet motor of biharmonic excitation | |
| CN101651394A (en) | Mixed excitation magnetoelectric machine adopting harmonic excitation | |
| CN103560637B (en) | A kind of mixed excitation synchronous generator of high power density | |
| CN103199662B (en) | The composite excitation permanent magnet synchronous motor of third harmonic excitation | |
| KR101091436B1 (en) | Permanent magnet motor | |
| CN101969257B (en) | Hybrid excitation permanent magnet motor with tooth harmonic excitation | |
| CN102005879B (en) | Electric excitation part double stator brushless mixed excitation synchronous generator | |
| CN107872134B (en) | Surface-mounted hybrid excitation brushless synchronous generator and operation method thereof | |
| CN102005875B (en) | Brushless parallel-structure hybrid excitation synchronous generator without additional air gap | |
| CN201860217U (en) | Parallel-structured brushless composite-excitation synchronous motor without additional air gap | |
| CN105896833A (en) | Hybrid excitation three-phase brushless synchronous generator based on full wave induction excitation | |
| CN202889138U (en) | Parallel type composite excitation brushless direct-current motor | |
| CN206149117U (en) | Harmonic self -excitation constant voltage mixed excitation permanent -magnet machine | |
| CN103095085A (en) | Four-phase doubly-salient motor | |
| CN201860232U (en) | Hybrid excitation synchronous generator in parallel structure without electric excitation rotor | |
| CN103904856B (en) | A kind of brushless Harmonic Wave Excited Generator with initial self-excitation ability | |
| CN101976923B (en) | Hybrid excitation permanent magnet motor with secondary harmonic excitation | |
| CN204538925U (en) | The hybrid excitation permanent magnet motor of biharmonic excitation | |
| CN201956856U (en) | Mixed excitation permanent-magnet motor with quintuple harmonic excitation | |
| CN106787564A (en) | A kind of brushless hybrid excitation magneto based on harmonic exitation | |
| CN102013779B (en) | Hybrid excitation permanent magnet motor of quintuple harmonic excitation | |
| CN103023242A (en) | Stator-free brushless double-rotor inner-ring permanent magnet synchronous motor with rotary controller | |
| CN206432872U (en) | A kind of brushless hybrid excitation magneto based on harmonic exitation | |
| CN102832768B (en) | Parallel hybrid excitation brushless direct-current motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20170906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |