CN106655546A - Brushless DC generator and power generation technology - Google Patents
Brushless DC generator and power generation technology Download PDFInfo
- Publication number
- CN106655546A CN106655546A CN201610965283.2A CN201610965283A CN106655546A CN 106655546 A CN106655546 A CN 106655546A CN 201610965283 A CN201610965283 A CN 201610965283A CN 106655546 A CN106655546 A CN 106655546A
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- China
- Prior art keywords
- stator
- rotor
- pole
- salient
- brushless
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
Abstract
The invention provides a brushless DC generator. The structure of the generator is simple, the reliability and maintainability of a motor are high, and disadvantages that a present DC generator is low in reliability, complex in structure and limited by rotating speed are overcome. The generator comprises a stator and a rotor, the rotor is arranged in the inner side of the stator, the rotor can rotate, and an air gap is left between the rotor and the stator. The generator is characterized in that the stator comprises a stator body, the inner side of the stator body is provided with at least one pair of stator salient poles arranged symmetrically, each stator salient pole comprises a salient pole shoe and a salient pole body through which the salient pole shoe is connected with the stator body, a gap is left between the salient pole shoes, pole shoe grooves are arranged in the salient pole shoe, an armature winding is arranged in the pole shoe grooves, an excitation winding is arranged on the stator, two corresponding salient poles of the stator form an N pole and an S pole, and the rotor comprises at least one pair of rotor salient poles. The invention also provides a power generation technology in which the brushless DC generator is used.
Description
Technical field
The present invention relates to technical field of power generation, specially a kind of brushless DC generator and generation technology.
Background technology
At present dc generator, is broadly divided into brushed DC generator and rectification type dc generator.For brushed DC
Generator, stator forms magnetic field by electrical excitation or permanent magnet, and armature winding sends exchange in rotor, armature rotor cutting magnetic field
Electricity, by commutator and brush, by the alternating current that rotor sends direct current is changed out, because armature winding is in rotor, is additionally needed
Steering gear and brush, its complex structure, reliability is low, and cost is higher.
For rectification type dc generator, it is that alternating current generator passes through commutation system that it is actual, obtains direct current.Its reliability
Property and cost determination in alternating current generator and commutation system, now widely used alternating current generator adopt rotor-exciting mode,
I.e. excitation field results from rotor, and using permanent magnetism or electrical excitation form, for permanent magnetism form, excitation field cannot be adjusted excitation,
The regulation to output voltage cannot be realized, in addition permanent magnet loses magnetic wind danger, and high cost；For electrical excitation alternating current generator,
It passes through slip-ring brush or rotary rectifier module, direct current is passed through into rotor field coil to produce excitation field, complex structure,
High cost, also due to the damage of carbon brush or rectification module, causes reliability not high, in addition, excitation is on rotatable parts rotor, needs
Through complicated technology process, reliability is not high, and spinner velocity is also restrained.
The content of the invention
For the problems referred to above, the invention provides a kind of brushless DC generator, its simple structure, the reliability of motor and
Maintainable good, it is low to overcome existing dc generator reliability, complex structure, the shortcomings of rotating speed be limited, in addition the present invention and also
There is provided the technology generated electricity using the brushless DC generator.
Its technical scheme is such：A kind of brushless DC generator, including stator and rotor, the rotor is placed in described
The inner side of stator, the rotor can be rotated, and between the stator and the rotor air gap is left, it is characterised in that：It is described
Stator includes stator body, and the stator body inner side is provided with least one pair of stator salient poles being symmetrical set, the salient stator
Pole includes salient pole pole shoe, connects the salient pole pole body of the salient pole pole shoe and the stator body, leaves between the salient pole pole shoe
Space, is disposed with pole shoe groove on the salient pole pole shoe, armature winding is provided with the pole shoe groove, and Exciting Windings for Transverse Differential Protection is arranged in described fixed
On son so that two corresponding stator salient poles form respectively N poles and S poles, and the rotor symmetrically sets including at least one pair of
The rotor with salient pole put.
Further, one end of the armature winding is disposed therein in a pole shoe groove of a salient pole pole shoe,
The other end of the armature winding is placed in a pole shoe groove of the corresponding salient pole pole shoe.
Further, the Exciting Windings for Transverse Differential Protection is arranged at the salient pole pole body of stator.
Further, the Exciting Windings for Transverse Differential Protection is arranged at stator body yoke portion.
Further, the stator and the rotor are permeability magnetic material.
Further, the Exciting Windings for Transverse Differential Protection excitation is using electrical excitation, permanent magnet or electrical excitation and the composite excitation of permanent magnet.
A kind of technology generated electricity using a kind of above-mentioned brushless DC generator, it is characterised in that：Exciting Windings for Transverse Differential Protection structure
After building excitation field, rotated by outside plant equipment rotor driven, the distribution of the magnetic flux of Exciting Windings for Transverse Differential Protection in salient pole pole shoe with
Rotor-position changes, the corresponding armature winding of cutting rotor, produces induced electromotive force.
Further, when excitation mode is electrical excitation, Exciting Windings for Transverse Differential Protection is passed through direct current and produces magnetic flux, and magnetic flux is convex by one
Out, the air gap between stator and rotor into rotor, then is out entered between stator and rotor pole pole shoe from rotor
Air gap, reaches another salient pole pole shoe, flows through and formed after stator body closed-loop path, forms excitation field, and two are symmetrical arranged
Stator salient poles form the N poles and S poles in magnetic field respectively.
The brushless DC generator of the present invention, relative to existing rectification type dc generator, its simple structure, reliability
Well, Exciting Windings for Transverse Differential Protection and armature winding are placed on stator simultaneously, and Exciting Windings for Transverse Differential Protection sets up excitation field；Armature winding is distributed in stator slot
Interior, rotor need not install Exciting Windings for Transverse Differential Protection, only as magnetic circuit passage, so as to eliminate carbon brush slip-ring or rotary rectifier module, simplify
Generator component and structure, improve reliability and maintainability, and spinner velocity is unrestricted；Relative to existing brushed DC
Generator, the present invention brushless DC generator, its simple structure, can direct output of DC current, by Exciting Windings for Transverse Differential Protection set up
Excitation field, two salient pole pole shoes corresponding on stator form respectively N poles and S poles, and rotor rotation, the magnetic flux of Exciting Windings for Transverse Differential Protection exists
Distribution in the salient pole pole shoe of stator changes with rotor-position, the corresponding armature winding of cutting rotor, produces induced electromotive force, when
When rotor-position is turned at the clearance position between salient pole pole shoe, magnetic flux starts change location, by side armature winding
Being switched to the polarity of opposite side armature winding, excitation field and stator salient poles will not change, or original S, N pole, because
It is straight so as to solve without there occurs the change on magnetic flux direction as the armature winding of existing brushed DC generator
The commutation problem that stream generates electricity, realizes galvanic output, without the need for commutator and brush, simplifies generator component and structure,
Reduce cost and improve reliability.
Description of the drawings
Fig. 1 is the schematic diagram when brushless DC generator of the present invention generates electricity；
Fig. 2 is schematic diagram when rotor rotates to another position when the brushless DC generator of the present invention generates electricity；
Fig. 3 is showing when rotor is rotated at the clearance position between salient pole pole shoe when the brushless DC generator of the present invention generates electricity
It is intended to；
Fig. 4 is the schematic diagram of the brushless DC generator with another kind of rotor structure of the present invention；
Fig. 5 is the schematic diagram with another kind of rotor and the brushless DC generator of stator salient poles structure of the present invention.
Specific embodiment
The present invention is further described below in conjunction with accompanying drawing.
See Fig. 1 to Fig. 5, a kind of brushless DC generator of the present invention, including stator 1 and rotor 2, stator and rotor are to lead
Magnetic material, rotor 2 is placed in the inner side of stator 1, and rotor 2 can be rotated, and air gap is left between stator 1 and rotor 2, and stator 1 is wrapped
Stator body 3 is included, the inner side of stator body 3 is provided with a pair stator salient poles being symmetrical set, and stator salient poles include respectively salient pole pole
Boots 41, salient pole pole shoe 42, salient pole pole shoe 41 and salient pole pole shoe 42 are respectively by the connecting stator body 3 of salient pole pole body 5, salient pole pole shoe
Space is left between 41 and salient pole pole shoe 42, pole shoe groove 9, pole shoe groove 9 are respectively disposed with salient pole pole shoe 41 and salient pole pole shoe 42
Inside be provided with armature winding 6, one end of armature winding 6 is arranged in a pole shoe groove 9 of salient pole pole shoe 41, armature winding 6 it is another
One end is placed in a pole shoe groove 9 of corresponding salient pole pole shoe 42, and Exciting Windings for Transverse Differential Protection 7 is arranged on salient pole pole body 5, encouraging in figure
Magnetic winding excitation adopts electrical excitation so that two corresponding stator salient poles form respectively N poles and S poles.
In Fig. 1 to Fig. 3, rotor 2 is provided with a pair symmetrically arranged rotor with salient pole 8；In Fig. 4, rotor 2 is provided with two pairs symmetrically
The rotor with salient pole 8 of setting；See Fig. 5, rotor 2 is provided with two pairs of symmetrically arranged rotor with salient pole 8；Stator salient poles are provided with 2 pairs, salient pole
Pole shoe is corresponded to also 2 pairs, respectively salient pole pole shoe 41, salient pole pole shoe 42, salient pole pole shoe 43, salient pole pole shoe 44；Rotor with salient pole 8
Logarithm can be designed as desired, and the logarithm of stator salient poles can also be designed as desired.
See Fig. 1 to Fig. 3, a kind of technology that above-mentioned brushless DC generator is generated electricity in employing, Exciting Windings for Transverse Differential Protection is passed through
Direct current, Exciting Windings for Transverse Differential Protection be passed through direct current produce magnetic flux, magnetic flux by a salient pole pole shoe out, between stator and rotor
Air gap, into rotor, then the air gap out entered between stator and rotor from rotor, another salient pole pole shoe is reached, it is fixed to flow through
Closed-loop path is formed after sub- body, excitation field is formed, two symmetrically arranged stator salient poles form respectively S poles, N poles；
Rotor drives turn by outside plant equipment, and now air gap is also rotated with rotor, and air-gap flux is rotated together with rotor, and is cut
Armature winding is cut, according to electromagnetic induction principle, induced electromotive force is produced in armature winding.When rotor-position is rotated from Fig. 1 positions
During to Fig. 2, magnetic flux with rotor-position change, and on the salient pole pole shoe of the corresponding stator of cutting rotor armature and generate electricity, when
When rotor-position turns to the space between two salient pole pole shoes of Fig. 3 positions, magnetic flux starts change location, by figure
Right side armature winding is switched to left side armature winding, but now the polarity of excitation field and stator salient poles does not change, also
It is original S poles, N poles not there occurs the change on magnetic flux direction, and for armature winding, magnetic flux does not occur
Commutation will not be commutated, and so as to solve the problems, such as the commutation of DC generation, realize galvanic output.
The brushless DC generator and generation technology of the present invention has advantages below：
1., from dc generator commutation problem, brushless commutator and commutation system is electromagnetically realized, substantially increase direct current and send out
The reliability of motor.
2. Exciting Windings for Transverse Differential Protection is placed in stator, and in irrotational rotor, generator is not needed slip ring carbon brush or is rotated whole
Stream, structure simplifies, and cost is reduced, and reliability is high.
3. electrical excitation is adopted, by adjusting exciting current, excitation field is can adjust, makes output voltage adjustable, better than tradition
Magneto magnetic field is non-adjustable.
4. rotor only uses permeability magnetic material, without the need for special insulation and associated support, simple structure, improve generator high
Fast reliability so that the restriction of rotor speed is greatly reduced.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (8)
1. a kind of brushless DC generator, including stator and rotor, the rotor is placed in the inner side of the stator, the rotor energy
It is enough to rotate, leave air gap between the stator and the rotor, it is characterised in that：The stator includes stator body, described
Stator body inner side is provided with least one pair of stator salient poles being symmetrical set, and the stator salient poles include salient pole pole shoe, connection institute
The salient pole pole body of salient pole pole shoe and the stator body is stated, space, cloth on the salient pole pole shoe are left between the salient pole pole shoe
Pole shoe groove is equipped with, armature winding is provided with the pole shoe groove, Exciting Windings for Transverse Differential Protection is arranged on the stator so that corresponding two
The stator salient poles form respectively N poles and S poles, and the rotor includes at least one pair of symmetrically arranged rotor with salient pole.
2. a kind of brushless DC generator according to claim 1, it is characterised in that：One end arrangement of the armature winding
In a pole shoe groove of one of them salient pole pole shoe, the other end of the armature winding is placed in the corresponding salient pole
In one pole shoe groove of pole shoe.
3. a kind of brushless DC generator according to claim 2, it is characterised in that：The Exciting Windings for Transverse Differential Protection is arranged at stator
Salient pole pole body.
4. a kind of brushless DC generator according to claim 2, it is characterised in that：The Exciting Windings for Transverse Differential Protection is arranged at stator
Body yoke portion.
5. a kind of brushless DC generator according to claim 2, it is characterised in that：The stator and the rotor are to lead
Magnetic material.
6. a kind of brushless DC generator according to claim 2, it is characterised in that：The Exciting Windings for Transverse Differential Protection excitation is using electricity
The composite excitation of excitation, permanent magnet or electrical excitation and permanent magnet.
7. the technology that the above-mentioned a kind of brushless DC generator described in a kind of employing claim 1 is generated electricity, its feature exists
In：Exciting Windings for Transverse Differential Protection is built after excitation field, is rotated by outside plant equipment rotor driven, and the magnetic flux of Exciting Windings for Transverse Differential Protection is in salient pole pole
Distribution in boots changes with rotor-position, the corresponding armature winding of cutting rotor, produces induced electromotive force.
8. the technology that a kind of employing brushless DC generator according to claim 7 is generated electricity, it is characterised in that：When encouraging
Magnetic mode be electrical excitation when, Exciting Windings for Transverse Differential Protection be passed through direct current produce magnetic flux, magnetic flux by a salient pole pole shoe out, through stator with
Air gap between rotor, into rotor, then the air gap out entered between stator and rotor from rotor, reach another salient pole pole
Boots, flow through and formed after stator body closed-loop path, form excitation field, and two symmetrically arranged stator salient poles form respectively magnetic field
N poles and S poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610965283.2A CN106655546B (en) | 2016-10-31 | 2016-10-31 | A kind of brushless DC generator and electricity-generating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610965283.2A CN106655546B (en) | 2016-10-31 | 2016-10-31 | A kind of brushless DC generator and electricity-generating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106655546A true CN106655546A (en) | 2017-05-10 |
| CN106655546B CN106655546B (en) | 2019-03-15 |
Family
ID=58820820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610965283.2A Active CN106655546B (en) | 2016-10-31 | 2016-10-31 | A kind of brushless DC generator and electricity-generating method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106655546B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086749A (en) * | 2017-06-09 | 2017-08-22 | 罗寿元 | Electric car Dual-speed Single-winding magneto |
| CN107707092A (en) * | 2017-08-22 | 2018-02-16 | 高纯军 | A kind of brushless AC generator and generation technology |
| CN110707842A (en) * | 2019-12-03 | 2020-01-17 | 史政齐 | Servo motor for inhibiting reluctance torque pulsation |
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| WO2000033441A1 (en) * | 1998-12-02 | 2000-06-08 | Schuessler Werner | Electromagnetic machine |
| CN1263372A (en) * | 2000-03-02 | 2000-08-16 | 杨占岐 | Stator exciting brushless A. C. Generator for motor vehicles |
| CN1913290A (en) * | 2006-08-23 | 2007-02-14 | 南京航空航天大学 | Radial magnet steel double salient-pole mixed excitation electric machine |
| CN101154864A (en) * | 2006-09-25 | 2008-04-02 | 天津得鑫电机有限公司 | Direct driving reluctance motor |
| CN101267129A (en) * | 2007-03-13 | 2008-09-17 | 株式会社日立制作所 | Stepping motor and steel plate for manufacturing the stepping motor |
| CN202309464U (en) * | 2011-11-03 | 2012-07-04 | 江苏航天动力机电有限公司 | Electric excitation doubly salient pole high speed motor |
| CN102570647A (en) * | 2012-02-13 | 2012-07-11 | 中国矿业大学 | Hybrid excitation flux reversal motor |
| CN103490579A (en) * | 2013-09-09 | 2014-01-01 | 何嘉颖 | Novel multiphase doubly salient permanent magnet motor |
| CN104113150A (en) * | 2014-07-18 | 2014-10-22 | 西安交通大学 | Combined type multi-tooth stator iron hybrid field switch flux motor |
-
2016
- 2016-10-31 CN CN201610965283.2A patent/CN106655546B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000033441A1 (en) * | 1998-12-02 | 2000-06-08 | Schuessler Werner | Electromagnetic machine |
| CN1263372A (en) * | 2000-03-02 | 2000-08-16 | 杨占岐 | Stator exciting brushless A. C. Generator for motor vehicles |
| CN1913290A (en) * | 2006-08-23 | 2007-02-14 | 南京航空航天大学 | Radial magnet steel double salient-pole mixed excitation electric machine |
| CN101154864A (en) * | 2006-09-25 | 2008-04-02 | 天津得鑫电机有限公司 | Direct driving reluctance motor |
| CN101267129A (en) * | 2007-03-13 | 2008-09-17 | 株式会社日立制作所 | Stepping motor and steel plate for manufacturing the stepping motor |
| CN202309464U (en) * | 2011-11-03 | 2012-07-04 | 江苏航天动力机电有限公司 | Electric excitation doubly salient pole high speed motor |
| CN102570647A (en) * | 2012-02-13 | 2012-07-11 | 中国矿业大学 | Hybrid excitation flux reversal motor |
| CN103490579A (en) * | 2013-09-09 | 2014-01-01 | 何嘉颖 | Novel multiphase doubly salient permanent magnet motor |
| CN104113150A (en) * | 2014-07-18 | 2014-10-22 | 西安交通大学 | Combined type multi-tooth stator iron hybrid field switch flux motor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086749A (en) * | 2017-06-09 | 2017-08-22 | 罗寿元 | Electric car Dual-speed Single-winding magneto |
| CN107086749B (en) * | 2017-06-09 | 2023-09-05 | 河北双灿机械科技有限公司 | Single-winding double-speed permanent magnet motor for electric vehicle |
| CN107707092A (en) * | 2017-08-22 | 2018-02-16 | 高纯军 | A kind of brushless AC generator and generation technology |
| CN107707092B (en) * | 2017-08-22 | 2021-03-30 | 高纯军 | Brushless alternating-current generator and power generation technology |
| CN110707842A (en) * | 2019-12-03 | 2020-01-17 | 史政齐 | Servo motor for inhibiting reluctance torque pulsation |
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| Publication number | Publication date |
|---|---|
| CN106655546B (en) | 2019-03-15 |
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