CN105720771B - Tractor permanent-magnet disk generator - Google Patents
Tractor permanent-magnet disk generator Download PDFInfo
- Publication number
- CN105720771B CN105720771B CN201610256093.3A CN201610256093A CN105720771B CN 105720771 B CN105720771 B CN 105720771B CN 201610256093 A CN201610256093 A CN 201610256093A CN 105720771 B CN105720771 B CN 105720771B
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- China
- Prior art keywords
- stator
- permanent magnet
- core
- rotor
- permanent
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/38—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary
-
- 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
- H02K1/17—Stator cores with permanent magnets
-
- 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
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The present invention proposes a kind of tractor permanent-magnet disk generator, including axis, radiator fan, bearing, end cap, permanent magnet, stator core, stator fixing bolt, armature winding, rotor core and shell；Rotor core is in the form of annular discs, is fixed on axis；Rotor core has the rotor pole of 4N circle ring sector protrusion in the axial direction；It is fixed on end cap in the stator core of circular ring shape, the hollow part of stator core is sleeved on axis；The inside circumference of the stator core stator poles that are on one side evenly equipped with 6N circle ring sector protrusion opposite with rotor pole, every 3 stator poles is embedding there are one permanent magnet, and the magnetizing direction of adjacent permanent magnet is opposite；Each stator poles are there are one the armature coil around axial coiling, and three armature coils in three stator poles on the outside of the same permanent magnet are around to identical, and armature coil on the outside of adjacent permanent magnet is around to opposite；Armature winding can be divided into three-phase, be made of the armature coil of same-phase per phase armature coil.The permanent-magnet disk generator of the present invention has tray type structure, and rotor contact surface is big, and generated output is high, and uses permanent magnet excitation, and generator efficiency is high.
Description
Technical field
The present invention relates to a kind of tractor permanent-magnet disk generators, belong to car electrics technical field.
Background technology
Tendency of Agricultural Machinery in Chinaization development at present is in intermediate stage, compared with National agricultural Mechanization Development strategic requirement,
Still there is larger gap.China's tractor market space is bigger, and the domestic large and middle tractor market demand continues run at high level；It is small
Continue persistently to rise with double-digit amplitude in type tractor market.At the same time, tractor safety, manipulate portability and relax
Adaptive is increasingly paid attention to.Therefore, the electrical equipment of tractor becomes more and more important, for the generator of electrical equipment energy supply
Just become the emphasis of current research.
As automobile tire is not fully suitable for tractor, electric generators for automobile is also not properly suited for tractor.It drags
Machine drawing generator should while meeting the requirements emphasized reliability and for ease of maintenaince.Permanent magnet generator have be lost it is small, efficient,
Simple in structure, high reliability；Single disc-type generator have it is simple in structure for ease of maintenaince, axial dimension is small, power density
Advantage relatively high, ventilating and cooling is good.Therefore, the present invention has taken into account that single disc-type generator is efficient with permanent magnet generator, power is close
The advantages of degree height, rapid heat dissipation, meet the requirement of tractor generators.
In presently disclosed technology, permanent-magnet disk generator is used on wind-driven generator mostly, it is only a small number of by with
On automobile, even more lacking on tractor can be used.In similar patent, application No. is 201410697450.0 inventions
Patent application：Integral direct-drive disc type wheel hub motor, it is proposed that a kind of rotor is directly connected with wheel hub, using the side of liquid-cooling heat radiation
Formula radiates and is conducive to the generator of sound Insulation Design, but this application is only suitable only for automobile use, and tractor then and is not suitable for.
On stator embed permanent magnet generator in, existing related application mainly have application No. is：
201510786946.X application for a patent for invention：Stator permanent magnetic type double-salient-pole disc type electric machine, it is double that this application is related to a kind of stator type
Salient pole disc type electric machine is gathered around there are two stator, a rotor, permanent magnet, armature winding and rotor field spider.The motor can not only be used for sending out
Motor use is used but also as motor, but its rotor core be fixed on rotor field spider it cannot be guaranteed that rotor mechanical strength and
The reliability of motor meets requirement.
The present invention proposes a kind of generator that can comprehensively utilize permanent magnet generator and disk generator advantage, and each of which is fixed
Son extremely on all there are one the armature coils around axial coiling, three armatures of three stator poles on the outside of the same rectangular permanent magnet
Coil winding-direction is identical, and the armature coil on the outside of adjacent permanent magnet is around on the contrary, this makes the power density of generator and torque close
Degree is improved.The belt pulley of permanent-magnet disk generator can drive rotor core and radiator fan to rotate jointly, this to send out
Motor can radiate in time at runtime.
Applicant not yet retrieves used with tractor permanent-magnet disk generator involved in the present invention through retrieval both at home and abroad at present
It is embedded on the inside of stator core using rectangular magnet on stator and embedding on the inside of every three stator poles there are one the structures of permanent magnet.
Invention content
The defects such as the present invention is directed to poor reliability existing for current used with tractor motor, not easy to repair, efficiency is low, propose
A kind of each mutually complementary permanent-magnet disk generator of used with tractor.
The present invention adopts the following technical scheme that：
Tractor permanent-magnet disk generator, it is characterised in that：
It is fixed by axis (1), radiator fan (2), bearing (3), end cap (4), permanent magnet (5), stator core (6), stator
Bolt (7), armature winding (8), rotor core (9) and shell (10) composition；
Rotor core (9) is in the form of annular discs, is fixed on axis (1)；One end of axis (1) is fixed with radiator fan (2), another
End is fixed with belt pulley；
Rotor core (9) has the rotor pole of a raised circle ring sectors in an axial direction of 4N, and N is natural number；
It is fixed on end cap (4) in the stator core (6) of circular ring shape, the hollow part of stator core (6) is sleeved on axis (1)
On；One layer of air gap is separated between stator core (6) and rotor core (9) in the axial direction；
Stator core (6) stator poles that are on one side evenly equipped with 6N circle ring sector protrusion opposite with rotor pole, every 3 stators
The inside circumference of pole is embedding there are one permanent magnet (5), and the magnetizing direction of adjacent permanent magnet (5) is opposite；
Each three stators there are one stator poles on the outside of the armature coil of axial coiling, the same permanent magnet (5)
Three armature coils on extremely are around to identical, and armature coil on the outside of adjacent permanent magnet (5) is around to opposite；
Armature winding (8) can be divided into three-phase, be made of the armature coil of same-phase per phase armature coil；
The stator core (6) and rotor core (9) are all made of non orientation permeability magnetic material.
Tractor permanent-magnet disk generator as described above, it is characterised in that：
Belt pulley can drive rotor core (9) and radiator fan (2) to rotate jointly, and realize generator and radiator fan
(2) integrated.
Beneficial effects of the present invention are as follows：
(1) the present invention uses permanent magnetism simple disc structure, has many advantages, such as that simple in structure, reliability is high, loss is small, and it is dilatory to meet
The requirement of machine；
(2) the permanent-magnet disk generator provided in the present invention can effectively reduce generator volume, and it is close to increase power
Degree；
(3) rectangular permanent magnet is embedded in stator core, is embedded in and turns rather than ventional disc permanent magnet generator permanent magnet
Son improves generator amature mechanical strength.
Description of the drawings
Fig. 1 is tractor permanent-magnet disk generator sectional side elevation of the present invention.Wherein：1, axis, 2, radiator fan, 3, bearing,
4, end cap, 5, permanent magnet, 6, stator core, 7, stator fixing bolt, 8, armature winding, 9, rotor core, 10, shell.
Fig. 2 is stator sectional side elevation of the present invention, wherein：1, axis, 5, permanent magnet, 6, stator core, 8, armature winding, 11, fixed
Sub- pole.
Fig. 3 is rotor sectional side elevation of the present invention, wherein：1, axis, 9, rotor core, 12, rotor pole.
Fig. 4 is fundamental diagram of the present invention.
Specific implementation mode
The invention is described in further details below in conjunction with the accompanying drawings.
Fig. 1 is the sectional side elevation of the permanent-magnet disk generator of the present invention.Shown in tractor permanent-magnet disk generator by axis
(1), radiator fan (2), bearing (3), end cap (4), permanent magnet (5), stator core (6), stator fixing bolt (7), armature
Winding (8), rotor core (9) and shell (10) composition；Rotor core (9) is fixed on axis (1)；One end of axis (1) is fixed with
Radiator fan (2), the other end is fixed with belt pulley；It is fixed on end cap (4) in the stator core (6) of circular ring shape, stator iron
The hollow part of the heart (6) is sleeved on axis (1)；One layer of air gap is separated between stator core (6) and rotor core (9) in the axial direction.
Embedding there are one permanent magnet (5) in the inside circumference of stator poles, the magnetizing direction of adjacent permanent magnet (5) is opposite；Each
All there are one the armature coils around axial coiling for stator poles, three electricity in three stator poles on the outside of the same permanent magnet (5)
Pivot coil winding-direction is identical, and the armature coil on the outside of adjacent permanent magnet (5) is around to opposite.
The stator core (6) and rotor core (9) are all made of non orientation permeability magnetic material.
Belt pulley can drive rotor core (9) and radiator fan (2) to rotate jointly, and realize generator and radiator fan
(2) integrated.
Fig. 2 is the stator side view of the permanent-magnet disk generator of the present invention.Permanent magnet (5) is embedded in the circle of three stator poles
All insides, the magnetizing direction of adjacent permanent magnet (5) are opposite.Permanent magnet (5) is parallel to axis and radially magnetizes.
Each three stators there are one stator poles on the outside of the armature coil of axial coiling, the same permanent magnet (5)
Three armature coils on extremely are around to identical, and armature coil on the outside of adjacent permanent magnet (5) is around to opposite.
Fig. 3 is the rotor side view of the permanent magnet disk generator of the present invention.Rotor core (9) is axially having 4N annulus
Fan-shaped stator poles.In the present embodiment, N=2.
Fig. 4 is tractor permanent-magnet disk generator operation schematic diagram of the present invention.Rotor is along the circumferential direction unfolded can be with
Obtain the rotor location drawing as shown in Figure 4.When a phase stator poles and rotor pole are aligned, the magnetic linkage of the phase is maximum, and inductance is also most
Greatly；When a phase stator poles and rotor pole are staggered completely, the magnetic linkage of the phase is minimum, and inductance is also minimum；Due to stator poles and rotor
The particularity of pole design, three-phase windings just differ 120 ° of electrical angles.
The explanation of operation principle is carried out to used with tractor permanent-magnet disk generator proposed by the present invention below.
Permanent-magnet disk generator of the present invention drives rotor rotation by the rotation of axis, is embedded in stator core
Permanent magnet generates magnetic field, and when raised rotor pole faces certain mutually stator poles of protrusion on rotor, the magnetic resistance of the phase magnetic circuit is minimum,
Magnetic flux is maximum in circle ring sector armature winding, increases as rotor rotates the phase magnetic resistance, magnetic flux reduces, reciprocal with this.At this point, should
Changing magnetic field is generated in phase armature winding, to induce the potential of variation.
It should be pointed out that the above description is merely a specific embodiment, but protection scope of the present invention is not
Be confined to this, any one skilled in the art in the technical scope disclosed by the present invention, the change that can be readily occurred in
Change and replace, should all cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the claim
Subject to protection domain.
Claims (2)
1. tractor permanent-magnet disk generator, it is characterised in that：
By axis (1), radiator fan (2), bearing (3), end cap (4), permanent magnet (5), stator core (6), stator fixing bolt
(7), armature winding (8), rotor core (9) and shell (10) composition；
Rotor core (9) is in the form of annular discs, is fixed on axis (1)；One end of axis (1) is fixed with radiator fan (2), and the other end is solid
Surely there is belt pulley；
Rotor core (9) has the rotor pole of a raised circle ring sectors in an axial direction of 4N, and N is natural number；
It is fixed on end cap (4) in the stator core (6) of circular ring shape, the hollow part of stator core (6) is sleeved on axis (1)；It is fixed
It is separated with one layer of air gap between sub- iron core (6) and rotor core (9) in the axial direction；
Stator core (6) stator poles that are on one side evenly equipped with 6N circle ring sector protrusion opposite with rotor pole, every three stator poles
Inside circumference it is embedding there are one permanent magnet (5), the magnetizing direction of adjacent permanent magnet (5) is opposite；
Each there are one stator poles in three stator poles on the outside of the armature coil of axial coiling, the same permanent magnet (5)
Three armature coils around to identical, armature coil on the outside of adjacent permanent magnet (5) is around to opposite；
Armature winding (8) is divided into three-phase, is made of the armature coil of same-phase per phase armature coil；
The stator core (6) and rotor core (9) are all made of non orientation permeability magnetic material.
2. tractor permanent-magnet disk generator as described in claim 1, it is characterised in that：
Belt pulley drives rotor core (9) and radiator fan (2) to rotate jointly, realization generator and radiator fan (2)
It is integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256093.3A CN105720771B (en) | 2016-04-25 | 2016-04-25 | Tractor permanent-magnet disk generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256093.3A CN105720771B (en) | 2016-04-25 | 2016-04-25 | Tractor permanent-magnet disk generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105720771A CN105720771A (en) | 2016-06-29 |
| CN105720771B true CN105720771B (en) | 2018-09-04 |
Family
ID=56161487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610256093.3A Active CN105720771B (en) | 2016-04-25 | 2016-04-25 | Tractor permanent-magnet disk generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105720771B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365723A (en) * | 2018-05-03 | 2018-08-03 | 包头天工电机有限公司 | Disc type permanent magnet synchronous electric motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105798U (en) * | 1991-11-09 | 1992-05-27 | 河北省文安县实用技术事务所 | Mixed excited integrated ac generator |
| CN2235674Y (en) * | 1994-10-27 | 1996-09-18 | 陈志强 | Mechanical structure of disc type magnetoelectric generator |
| CN2274840Y (en) * | 1996-08-30 | 1998-02-18 | 黄富贵 | Electric power generator with axial permanent magnet voltage stabilizing disc |
| CN2307309Y (en) * | 1997-08-08 | 1999-02-10 | 王彬 | Automatic magnetic regulation voltage stabilizer |
| CN2388770Y (en) * | 1999-09-23 | 2000-07-19 | 杨志坚 | Double-disk magnetoelectric generator |
| CN201107842Y (en) * | 2006-12-04 | 2008-08-27 | 袁会文 | Disc type switch reluctance motor |
| CN103647484A (en) * | 2013-12-24 | 2014-03-19 | 南京航空航天大学 | Full-speed position-less sensor technology for aviation starting power generation system |
-
2016
- 2016-04-25 CN CN201610256093.3A patent/CN105720771B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105798U (en) * | 1991-11-09 | 1992-05-27 | 河北省文安县实用技术事务所 | Mixed excited integrated ac generator |
| CN2235674Y (en) * | 1994-10-27 | 1996-09-18 | 陈志强 | Mechanical structure of disc type magnetoelectric generator |
| CN2274840Y (en) * | 1996-08-30 | 1998-02-18 | 黄富贵 | Electric power generator with axial permanent magnet voltage stabilizing disc |
| CN2307309Y (en) * | 1997-08-08 | 1999-02-10 | 王彬 | Automatic magnetic regulation voltage stabilizer |
| CN2388770Y (en) * | 1999-09-23 | 2000-07-19 | 杨志坚 | Double-disk magnetoelectric generator |
| CN201107842Y (en) * | 2006-12-04 | 2008-08-27 | 袁会文 | Disc type switch reluctance motor |
| CN103647484A (en) * | 2013-12-24 | 2014-03-19 | 南京航空航天大学 | Full-speed position-less sensor technology for aviation starting power generation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105720771A (en) | 2016-06-29 |
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