CN207896749U - Asymmetric magnetic pole rare earth permanent-magnetic generator - Google Patents
Asymmetric magnetic pole rare earth permanent-magnetic generator Download PDFInfo
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- CN207896749U CN207896749U CN201820335357.9U CN201820335357U CN207896749U CN 207896749 U CN207896749 U CN 207896749U CN 201820335357 U CN201820335357 U CN 201820335357U CN 207896749 U CN207896749 U CN 207896749U
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- rare earth
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Abstract
The utility model is related to electrical generator fields, especially a kind of to be mainly used in the asymmetric magnetic pole rare earth permanent-magnetic generator for reducing reluctance force in generator in the case of low torque.Asymmetric magnetic pole rare earth permanent-magnetic generator, including tubular stator, permanent magnet piece is circumferentially provided on the inner wall of the tubular stator;The center of the cavity of tubular stator is provided with armature spindle, iron core bracket is arranged on the armature spindle, rotor core corresponding with permanent magnet piece is provided on iron core bracket, winding coil is provided on rotor core;The quantity of rotor core is different from the quantity of permanent magnet piece.The asymmetric magnetic pole rare earth permanent-magnetic generator of the utility model, by using asymmetric pole design, the quantity of rotor core is different from the quantity of permanent magnet piece, it is mainly characterized by utilizing asymmetric field structure, change the magnetic pole of traditional permanent magnet generator symmetrically caused by magnetic attachment resistance, be suitable for various low torque power fields.
Description
Technical field
The utility model is related to electrical generator fields, especially one kind to be mainly used in generator and be reduced in the case of low torque
The asymmetric magnetic pole rare earth permanent-magnetic generator of reluctance force.
Background technology
Power generation utilizes generation power device by water energy, thermal energy, the nuclear energy of fossil fuel (coal, oil, natural gas etc.)
And solar energy, wind energy, geothermal energy, ocean energy etc. are converted to electric power.Since 20th century, the demand to electric power almost increases for every 10 years
Add 1 times.To mid-term the 1990s, main forms of electricity generation is hydroelectric generation, thermal power generation and nuclear energy power generation.The United States, Russia,
Based on thermal power generation, generated energy proportion is 70% or more for the states such as English, meaning, China.Day, the thermoelectricity proportion of moral exists
60% or more.Norway, Switzerland, Brazil hydroelectric generation amount account for 90% or so of gross generation, Canada is more than 60%, Sweden
Also above 60%.Then water power respectively accounts for 1/2 with thermoelectricity for Finland and Yugoslavia.Based on nuclear power, generated energy accounts for total power generation for France
70% or more of amount.The whole world is between 1980~1986 years, and thermoelectricity proportion drops to 63.73% year by year by 70.2%, water
Electric proportion is down to 20.34% by 21.29%, and nuclear power proportion rises to 15.6% by 8.2%.
In power field, current conventional permanent magnet generator generally use symmetric poles structure, i.e., normal permanent magnet generator
Machine is that pairs of magnetic pole is corresponding, and if stator 12 is to magnetic pole, rotor is also 12 pairs of magnetic poles.After designing in this way, since magnetic pole is symmetrical,
Will have a reluctance force for being difficult to exclude, low torque can lead to generator difficulty in starting when starting, low torque power field by
Limitation.
Utility model content
In view of this, the purpose of the utility model is to overcome the deficiencies in the prior art, provides and a kind of reducing reluctance force
Asymmetric magnetic pole rare earth permanent-magnetic generator.
The utility model solves its technical problem institute:Asymmetric magnetic pole rare earth permanent-magnetic generator, packet
Tubular stator is included, permanent magnet piece is circumferentially provided on the inner wall of the tubular stator;In the cavity of the tubular stator
Heart position is provided with armature spindle, and iron core bracket is arranged on the armature spindle, is provided on the iron core bracket and permanent magnetism
The corresponding rotor core of body piece, winding coil is provided on the rotor core;The quantity of the rotor core and institute
The quantity for the permanent magnet piece stated is different.
Further, for the utility model is better achieved, following setting structures are especially used:The rotor core
Quantity differs 5%~15% with the quantity of the permanent magnet piece.
Further, for the utility model is better achieved, following setting structures are especially used:The permanent magnet piece
Quantity is 27, and the quantity of the rotor core is 24.
Further, for the utility model is better achieved, following setting structures are especially used:The permanent magnet piece
Quantity is 20, and the quantity of the rotor core is 18.
Further, for the utility model is better achieved, following setting structures are especially used:The permanent magnet piece
Quantity is 20, and the quantity of the rotor core is 19.
Further, for the utility model is better achieved, following setting structures are especially used:The permanent magnet piece
Quantity is 13, and the quantity of the rotor core is 12.
Further, for the utility model is better achieved, following setting structures are especially used:Rotor core surface spraying
There is antirust paint.
Further, for the utility model is better achieved, following setting structures are especially used:On the iron core bracket
It is evenly arranged with heat emission hole.
Further, for the utility model is better achieved, following setting structures are especially used:It is set on the armature spindle
It is equipped with the key mapping for facilitating transmission.
Further, for the utility model is better achieved, following setting structures are especially used:The winding coil is adopted
With fine copper enameled wire.
The utility model has the beneficial effects that:The asymmetric magnetic pole rare earth permanent-magnetic generator of the utility model, by using
Asymmetric pole design, the quantity of the rotor core is different from the quantity of the permanent magnet piece, is mainly characterized by utilizing
Asymmetric field structure, change the magnetic pole of traditional permanent magnet generator symmetrically caused by magnetic attachment resistance, be suitable for various low torsions
Square power field.
Since the quantity of the rotor core differs 5%~15% with the quantity of the permanent magnet piece, in this model
Reluctance force can be efficiently reduced by enclosing, if being less than 5%, do not had the effect for reducing resistance, if being higher than 15%, can be influenced
Normal power generation.
Since rotor core surface spraying has antirust paint, rotor core can be prevented to be rusted, extend service life.
Due to being evenly arranged with heat emission hole on the iron core bracket, heat dissipation can be facilitated, reduce component caused by high temperature
Damage.
Since the winding coil uses fine copper enameled wire, there is preferable electric conductivity, generation loss is small, electric energy profit
With rate height.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the asymmetric magnetic pole rare earth permanent-magnetic generator of the utility model;
In figure, 1-tubular stator;2-rotor cores;3-permanent magnet pieces;4-iron core brackets;5-winding coils;6—
Armature spindle;7-heat emission holes.
Specific implementation mode
It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than comprehensively
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Embodiment 1:
As shown in Figure 1, the asymmetric magnetic pole rare earth permanent-magnetic generator of the utility model, including tubular stator 1, in the tubular
Permanent magnet piece 3 is circumferentially provided on the inner wall of stator 1;The center of the cavity of the tubular stator 1 is provided with rotor
Axis 6 is arranged with iron core bracket 4 on the armature spindle 6, and corresponding with permanent magnet piece 3 turn is provided on the iron core bracket 4
Sub- iron core 2 is provided with winding coil 5 on the rotor core 2;The quantity of the rotor core 2 and the permanent magnetism
The quantity of body piece 3 is different.The asymmetric magnetic pole rare earth permanent-magnetic generator of the utility model, by using asymmetric pole design,
The quantity of the rotor core 2 is different from the quantity of permanent magnet piece 3, is mainly characterized by utilizing asymmetric magnetic pole knot
Structure, change the magnetic pole of traditional permanent magnet generator symmetrically caused by magnetic attachment resistance, be suitable for various low torque power fields.It needs
It is noted that the overall structure of the asymmetric magnetic pole rare earth permanent-magnetic generator of the utility model and existing electrification structure are basic
It is identical, mainly achieve the purpose that asymmetric magnetic pole by the way that rotor core 2 and the permanent magnet piece 3 of different number is arranged, to drop
The reluctance force of low low torque power generation, improves generating efficiency.
Embodiment 2:
Preferably, for the utility model is better achieved, advanced optimize on the basis of the above embodiments, especially
Using following setting structures:The quantity of the rotor core 2 differs 5%~15% with the quantity of the permanent magnet piece 3.By
Differ 5%~15% with the quantity of the permanent magnet piece 3 in the quantity of the rotor core 2, this range can
Reluctance force is efficiently reduced, if being less than 5%, the effect for reducing resistance is not had, if being higher than 15%, can influence normally to send out
Electricity.
Embodiment 3:
Preferably, for the utility model is better achieved, advanced optimize on the basis of the above embodiments, especially
Using following setting structures:The quantity of the permanent magnet piece 3 is 27, and the quantity of the rotor core 2 is 20
Four.The quantity of the rotor core 2 differs three with the quantity of the permanent magnet piece 3, forms asymmetric magnetic pole, effectively
Ground reduces low torque reluctance force, improves generating efficiency.
Embodiment 4:
Preferably, for the utility model is better achieved, advanced optimize on the basis of the above embodiments, especially
Using following setting structures:The quantity of the permanent magnet piece 3 is 20, and the quantity of the rotor core 2 is 18.
The quantity of the rotor core 2 differs two with the quantity of the permanent magnet piece 3, forms asymmetric magnetic pole, effectively subtracts
Small low torque reluctance force, improves generating efficiency.
Embodiment 5:
Preferably, for the utility model is better achieved, advanced optimize on the basis of the above embodiments, especially
Using following setting structures:The quantity of the permanent magnet piece 3 is 20, and the quantity of the rotor core 2 is 19.
The quantity of the rotor core 2 differs one with the quantity of the permanent magnet piece 3, forms asymmetric magnetic pole, effectively subtracts
Small low torque reluctance force, improves generating efficiency.
Embodiment 6:
Preferably, for the utility model is better achieved, advanced optimize on the basis of the above embodiments, especially
Using following setting structures:The quantity of the permanent magnet piece 3 is 13, and the quantity of the rotor core 2 is 12.
The quantity of the rotor core 2 differs one with the quantity of the permanent magnet piece 3, forms asymmetric magnetic pole, effectively subtracts
Small low torque reluctance force, improves generating efficiency.
Embodiment 7:
Preferably, for the utility model is better achieved, advanced optimize on the basis of the above embodiments, especially
Using following setting structures:2 surface spraying of rotor core has antirust paint.It, can since 2 surface spraying of rotor core has antirust paint
It prevents rotor core 2 to be rusted, extends service life.
Embodiment 8:
Preferably, for the utility model is better achieved, advanced optimize on the basis of the above embodiments, especially
Using following setting structures:It is evenly arranged with heat emission hole 7 on the iron core bracket 4.Due to uniform on the iron core bracket 4
It is provided with heat emission hole 7, heat dissipation can be facilitated, reduces components damage caused by high temperature.
Embodiment 9:
Preferably, for the utility model is better achieved, advanced optimize on the basis of the above embodiments, especially
Using following setting structures:It is provided with the key mapping for facilitating transmission on the armature spindle 6.In this way design after, can facilitate with
The drive connection of other transmission mechanisms.
Embodiment 10:
Preferably, for the utility model is better achieved, advanced optimize on the basis of the above embodiments, especially
Using following setting structures:The winding coil 5 uses fine copper enameled wire.Since the winding coil 5 uses fine copper paint
Envelope curve has preferable electric conductivity, and generation loss is small, and utilization rate of electrical is high.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
1. asymmetric magnetic pole rare earth permanent-magnetic generator, it is characterised in that:Including tubular stator (1), in the interior of the tubular stator (1)
Permanent magnet piece (3) is circumferentially provided on wall;The center of the cavity of the tubular stator (1) is provided with armature spindle (6),
It is arranged with iron core bracket (4) on the armature spindle (6), is provided on the iron core bracket (4) corresponding with permanent magnet piece (3)
Rotor core (2), be provided with winding coil (5) on the rotor core (2);The quantity of the rotor core (2)
It is different from the quantity of permanent magnet piece (3).
2. asymmetric magnetic pole rare earth permanent-magnetic generator according to claim 1, it is characterised in that:The rotor core
(2) quantity differs 5%~15% with the quantity of the permanent magnet piece (3).
3. asymmetric magnetic pole rare earth permanent-magnetic generator according to claim 2, it is characterised in that:The permanent magnet piece
(3) quantity is 27, and the quantity of the rotor core (2) is 24.
4. asymmetric magnetic pole rare earth permanent-magnetic generator according to claim 2, it is characterised in that:The permanent magnet piece
(3) quantity is 20, and the quantity of the rotor core (2) is 18.
5. asymmetric magnetic pole rare earth permanent-magnetic generator according to claim 2, it is characterised in that:The permanent magnet piece
(3) quantity is 20, and the quantity of the rotor core (2) is 19.
6. asymmetric magnetic pole rare earth permanent-magnetic generator according to claim 2, it is characterised in that:The permanent magnet piece
(3) quantity is 13, and the quantity of the rotor core (2) is 12.
7. asymmetric magnetic pole rare earth permanent-magnetic generator according to claim 1, it is characterised in that:Rotor core (2) surface
It is coated with antirust paint.
8. asymmetric magnetic pole rare earth permanent-magnetic generator according to claim 1, it is characterised in that:The iron core bracket
(4) heat emission hole (7) is evenly arranged on.
9. asymmetric magnetic pole rare earth permanent-magnetic generator according to claim 1, it is characterised in that:The armature spindle (6)
On be provided with the key mapping for facilitating transmission.
10. asymmetric magnetic pole rare earth permanent-magnetic generator according to claim 1, it is characterised in that:The winding coil
(5) fine copper enameled wire is used.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820335357.9U CN207896749U (en) | 2018-03-12 | 2018-03-12 | Asymmetric magnetic pole rare earth permanent-magnetic generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820335357.9U CN207896749U (en) | 2018-03-12 | 2018-03-12 | Asymmetric magnetic pole rare earth permanent-magnetic generator |
Publications (1)
Publication Number | Publication Date |
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CN207896749U true CN207896749U (en) | 2018-09-21 |
Family
ID=63541581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820335357.9U Active CN207896749U (en) | 2018-03-12 | 2018-03-12 | Asymmetric magnetic pole rare earth permanent-magnetic generator |
Country Status (1)
Country | Link |
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CN (1) | CN207896749U (en) |
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2018
- 2018-03-12 CN CN201820335357.9U patent/CN207896749U/en active Active
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