CN109768643A - A kind of mixed magnetic circuit automobile AC rotor structure and generator - Google Patents
A kind of mixed magnetic circuit automobile AC rotor structure and generator Download PDFInfo
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- CN109768643A CN109768643A CN201811616644.8A CN201811616644A CN109768643A CN 109768643 A CN109768643 A CN 109768643A CN 201811616644 A CN201811616644 A CN 201811616644A CN 109768643 A CN109768643 A CN 109768643A
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- pole
- permanent magnet
- pawl
- pawl pole
- magnetic circuit
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
A kind of mixed magnetic circuit automobile AC rotor structure and generator, its rotor structure includes the pole N pawl pole, the pole S pawl pole, field coil, axis body and collector ring, it is characterized by also including permanent magnets, pawl pole gap is constituted between the pole N pawl pole and the adjacent claw of the pole S pawl pole, the permanent magnet is filled in the pawl pole gap, the quantity in the vacant pawl pole gap is 0 or twice of quantity that is equal with the quantity of the permanent magnet or being the permanent magnet between the adjacent permanent magnet, the pole S of the permanent magnet is connect with the claw of the pole S pawl pole, the pole N of the permanent magnet is connect with the claw of the pole N pawl pole.Generator described in the invention uses the structure of composite excitation, reduces leakage field by adding permanent magnet in pawl pole interpolar, improves the output performance and efficiency of motor.
Description
Technical field
The present invention relates to electric machine technical fields, and in particular to a kind of mixed magnetic circuit automobile AC rotor structure and power generation
Machine.
Background technique
As modern automobile industry develops, electrical equipment it is more and more, electricity consumption is increasing.However automobile engine
Cabin is more and more compacter, and there are also the light-weighted requirements of vehicle, so that generator volume becomes small, power is become greatly, and efficiency is got over
It does higher.Along with other requirements such as energy-saving, so the power density and efficiency of raising AC generator for vehicle have become
One important need.However existing AC generator for vehicle is all Lundell structure, although claw-pole type generator structure is mature,
And it is at low cost, manufacturing process is simple, but it the shortcomings that be exactly that leakage field is bigger and not can avoid, electric efficiency can not be promoted,
Small-volume large-power high efficient design encounters bottleneck.
A kind of for another example bimorph transducer composite construction disclosed in the Chinese invention patent of Chinese Publication No. CN205681195U
Rotor diameter axial direction mixed magnetic circuit permanent magnet synchronous motor and electric car, including radial stator, axial stator and rotor, wherein institute
It states rotor to be set in inside radial stator, coaxially be laid with radial stator, the one or both ends of the rotor are provided with axial fixed
Son, axial stator with rotor is concentric lays；Radial winding, the stator of the axial stator are provided in the stator slot of radial stator
Axial winding is provided in slot；It is provided with rotor slot on rotor, permanent magnet is placed in rotor slot, the permanent magnet makes on rotor
Magnet radial poles and axial pole are generated, the magnet radial poles are towards motor radial stator, and the axial pole is towards motor axial direction
Stator forms mixed magnetic circuit so that motor radially, axially generates torque.The practical effect of the technical solution is bad
Summary of the invention
It is described in the invention the object of the present invention is to provide a kind of mixed magnetic circuit automobile AC rotor structure and generator
Generator uses the structure of composite excitation, reduces leakage field by adding permanent magnet in pawl pole interpolar, improves the output of motor
Energy and efficiency.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of mixed magnetic circuit automobile exchange
Rotor structure, including the pole N pawl pole, the pole S pawl pole, field coil, axis body and collector ring, it is characterised in that: it further include permanent magnet,
Pawl pole gap is constituted between the pole N pawl pole and the adjacent claw of the pole S pawl pole, the permanent magnet is filled in the pawl
In clearance between poles, the quantity in the vacant pawl pole gap is 0 or the quantity with the permanent magnet between the adjacent permanent magnet
The pole S of twice of quantity equal or for the permanent magnet, the permanent magnet is connect with the claw of the pole S pawl pole, described
The pole N of permanent magnet connect with the claw of the pole N pawl pole.
As a preference of the present invention, the two sides of the claw are provided with link slot, the pole the N side of the permanent magnet and S
Pole side is inserted into respectively in the link slot of the adjacent claw.
As a preference of the present invention, the thickness of the permanent magnet is greater than the pawl of the pole N pawl pole and the pole S pawl pole
The average thickness of son is equal.
As a preference of the present invention, the two sides side wall of the claw slopes inwardly close to described field coil one end, institute
Spring leaf is provided between the permanent magnet and the field coil stated.
As a preference of the present invention, the outer surface of the permanent magnet or inside and outside surface be provided with magnetic isolation plate.
As a preference of the present invention, the permanent magnet is rubber magnet or ferrite sintered body or rare-earth magnet.
As a preference of the present invention, two centres of arbitrary neighborhood have the vacant pawl pole gap the permanent magnet it
Between the vacant pawl pole gap quantity it is equal.
As a preference of the present invention, the permanent magnet is powered, the magnetic field generated and the field coil energization are generated
Magnetic field forms parallel circuits.
A kind of mixed magnetic circuit AC generator for vehicle, the generator are equipped with above-mentioned mixed magnetic circuit automobile AC rotor structure.
In conclusion the invention has the following beneficial effects:
1. performance output is high under the slow-speed of revolution, it can effectively meet big charging electricity needed for the use of idling heavy load and battery
Stream.
2. carrying out excitation jointly due to the electrical excitation for using permanent magnet and coil windings, output voltage can letter
Single-pass overregulates the size of exciting current to be controlled.Make alternating current generator while there is voltage controllability and magneto
High power, high efficiency output the advantages of.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of rotor structure embodiment of the present invention；
Fig. 2 is the first example structure schematic diagram of the fixed form of the permanent magnet of the embodiment of the present invention；
Fig. 3 is second of example structure schematic diagram of the fixed form of the permanent magnet of the embodiment of the present invention；
Fig. 4 is the pole the N pawl pole and the pole S pawl pole closed configuration flowering structure schematic diagram of the embodiment of the present invention；
In figure: the pawl pole of the pole 1-N；The pole 2-S pawl pole；3- field coil；4- axis body；5- collector ring；6- permanent magnet；Between 7- pawl pole
Gap；8- claw；9- link slot；10- spring leaf；11- magnetic isolation plate.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
As Figure 1 and Figure 4, the rotor structure of the embodiment of the present invention include the pole N pawl pole 1, the pole S pawl pole 2, field coil 3,
Axis body 4 and collector ring 5, collector ring 5 are mounted on one end of axis body 4, and the pole N pawl pole 1, field coil 3 and the pole S pawl pole 2 cover
It connects and is fixed on axis body 4, two outlets of field coil 3 are connect with collector ring 5, and field coil 3 is located at the pole N pawl pole 1 and the pole S pawl
Between pole 2, magnetic yoke is arranged in field coil 3, the pole N pawl pole 1, the pole S pawl pole 2 are by just determining its polarity, this reality when rotor design
Applying example further includes permanent magnet 6, and pawl pole gap 7 is constituted between the pole N pawl pole 1 and the adjacent claw 8 of the pole S pawl pole 2, and permanent magnet 6 is filled
In pawl pole gap 7, the quantity in vacant pawl pole gap 7 is 0 or equal with the quantity of permanent magnet 6 between adjacent permanent magnet 6
Or twice of the quantity for permanent magnet 6, the pole S of permanent magnet 6 are connect with the claw 8 of the pole S pawl pole 2, the pole N of permanent magnet 6 and the pole N pawl
The claw 8 of pole 1 connects.Permanent magnet 6 is rubber magnet or ferrite sintered body or rare-earth magnet.The magnetic field that the energization of permanent magnet 6 generates
Be powered the magnetic field formation parallel circuits generated with field coil 3.Two centres of arbitrary neighborhood have vacant pawl pole gap 7 forever
The quantity in the vacant pawl pole gap 7 between magnet 6 is equal.It is both that permanent magnet 6 can be constituted one group with two or more, phase
The quantity in the vacant pawl pole gap 7 between adjacent group is equal, and vacant pawl pole gap 7 is not present between permanent magnet 6 in organizing.
As shown in Fig. 2, the two sides that the first embodiment of the fixed form of permanent magnet of the embodiment of the present invention 6 is claw 8 are set
It is equipped with link slot 9, link slot 9 machines fluting, the pole N of permanent magnet 6 after the completion of pawl pole is cast on the side wall of claw 8
Side and the pole S side are inserted into respectively in the link slot 9 of adjacent claw 8.The thickness of permanent magnet 6 is greater than the pole N pawl pole 1 and the pole S pawl
The average thickness of the claw 8 of pole 2 is equal.
As shown in figure 3, second of embodiment of the fixed form of permanent magnet of the embodiment of the present invention 6 is the two sides side of claw 8
3 one end of close field coil of wall slopes inwardly, which can directly be cast due to not having invagination structure using pawl pole
One-pass molding significantly simplifies difficulty of processing, and it is trapezoidal resistance that this setup, which makes pawl pole gap 7 form a section,
Structure is kept off, trapezoidal close pawl pole lateral ends are short side, are long side close to inner opposite end, set between permanent magnet 6 and field coil 3
It is equipped with spring leaf 10, is pushed up permanent magnet 6 outward by the deformation power of spring leaf 10, since the shape in pawl pole gap 7 forms resistance
Structure is kept off, causes permanent magnet 6 to be sticked into, when working rotor, centrifugal force is outside, and permanent magnet 6 will not loosen, while the structure
Paint-dipping process is carried out together with rotor after the completion, further secures permanent magnet 6 by painting body.Rubber is used in the embodiment
Magnet significantly promotes yield rate as permanent magnet 6.
As shown in Figure 2 and Figure 3, the embodiment of the present invention permanent magnet 6 outer surface or inside and outside surface be provided with every magnetic
Plate 11, magnetic isolation plate 11 are the epoxy resin board with a thickness of 0.5mm~1.5mm, and the present embodiment is preferably outer surface, outer surface
Both it had been directed towards one side on the outside of rotor.
The embodiment of the motor of the embodiment of the present invention is to replace original rotor using the rotor in rotor structure embodiment
A kind of motor, the rotor structure of the rotor in the motor include the pole N pawl pole 1, the pole S pawl pole 2, field coil 3, axis body 4 and
Collector ring 5, collector ring 5 are mounted on one end of axis body 4, and the pole N pawl pole 1, field coil 3 and the pole S pawl pole 2 are sleeved and fixed in axis
On body 4, two outlets of field coil 3 are connect with collector ring 5, and field coil 3 is located between the pole N pawl pole 1 and the pole S pawl pole 2, magnetic
Magnetic yoke is arranged in field coil 3, the pole N pawl pole 1, the pole S pawl pole 2 further include permanent magnet 6, N by just determining its polarity when rotor design
Pawl pole gap 7 is constituted between pole pawl pole 1 and the adjacent claw 8 of the pole S pawl pole 2, permanent magnet 6 is filled in pawl pole gap 7, it is adjacent forever
Between magnet 6 quantity in vacant pawl pole gap 7 be 0 or quantity that is equal with the quantity of permanent magnet 6 or being permanent magnet 6 two
Times, the pole S of permanent magnet 6 is connect with the claw 8 of the pole S pawl pole 2, and the pole N of permanent magnet 6 is connect with the claw 8 of the pole N pawl pole 1.Permanent magnet
6 be rubber magnet or ferrite sintered body or rare-earth magnet.Permanent magnet 6 is powered what the magnetic field generated was generated with the energization of field coil 3
Magnetic field forms parallel circuits.Two centres of arbitrary neighborhood have the vacant pawl pole between the permanent magnet 6 in vacant pawl pole gap 7
The quantity in gap 7 is equal.It is both that permanent magnet 6 can be constituted one group with two or more, the vacant pawl pole between adjacent sets
The quantity in gap 7 is equal, and vacant pawl pole gap 7 is not present between permanent magnet 6 in organizing.Permanent magnet 6 is filled with pawl pole gap 7
Afterwards, leakage magnetic flux greatly reduces, and more magnetic fluxs is forced to enter stator winding from rotor, to improve the output of alternating current generator
Efficiency.The opposite original scheme that whole pawl pole gaps 7 are filled up completely using rare-earth magnet of applicant, the technical solution of the application
It is controllable with cost, while production process yield rate effectively improves, the advantages of high production efficiency.The technical solution, which has, more increases
Commercialization ability, while using vacant 7 regulation power of pawl pole gap can have reasonably motor size and power of motor it
Between make balance, so as to apply in the automobile generating system with actual design demand.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of mixed magnetic circuit automobile AC rotor structure, including the pole N pawl pole (1), the pole S pawl pole (2), field coil (3), axis body
(4) and collector ring (5), it is characterised in that: it further include permanent magnet (6), the pole N pawl pole (1) and the pole S pawl pole (2)
Pawl pole gap (7) are constituted between adjacent claw (8), the permanent magnet (6) is filled in the pawl pole gap (7), adjacent
The quantity of the vacant pawl pole gap (7) is 0 or equal with the quantity of the permanent magnet (6) between the permanent magnet (6)
Or twice of the quantity for the permanent magnet (6), the pole S of the permanent magnet (6) and the claw (8) of the pole S pawl pole (2) connect
It connects, the pole N of the permanent magnet (6) is connect with the claw (8) of the pole N pawl pole (1).
2. a kind of mixed magnetic circuit automobile AC rotor structure according to claim 1, it is characterised in that: the claw (8)
Two sides be provided with link slot (9), the adjacent claw is inserted into the pole the N side of the permanent magnet (6) and the pole S side respectively
(8) in the link slot (9).
3. a kind of mixed magnetic circuit automobile AC rotor structure according to claim 2, it is characterised in that: the permanent magnet
(6) average thickness that thickness is greater than the claw (8) of the pole N pawl pole (1) and the pole S pawl pole (2) is equal.
4. a kind of mixed magnetic circuit automobile AC rotor structure according to claim 1, it is characterised in that: the claw (8)
Two sides side wall slope inwardly close to the field coil (3) one end, the permanent magnet (6) and the field coil (3)
Between be provided with spring leaf (10).
5. a kind of mixed magnetic circuit automobile AC rotor structure according to claim 1, it is characterised in that: the permanent magnet
(6) outer surface or inside and outside surface be provided with magnetic isolation plate (11).
6. a kind of mixed magnetic circuit automobile AC rotor structure according to claim 1 or 3, it is characterised in that: it is described forever
Magnet (6) is rubber magnet.
7. a kind of mixed magnetic circuit automobile AC rotor structure according to claim 1, it is characterised in that: arbitrary neighborhood two
Centre has the quantity of the vacant pawl pole gap (7) between the permanent magnet (6) of the vacant pawl pole gap (7)
It is equal.
8. a kind of mixed magnetic circuit automobile AC rotor structure according to claim 1, it is characterised in that: the permanent magnet
(6) the magnetic field formation parallel circuits that the magnetic field and field coil (3) energization that energization generates generate.
9. a kind of mixed magnetic circuit AC generator for vehicle, it is characterised in that: the generator includes claim 1 to 8 any one
A kind of mixed magnetic circuit automobile AC rotor structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811616644.8A CN109768643A (en) | 2018-12-28 | 2018-12-28 | A kind of mixed magnetic circuit automobile AC rotor structure and generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811616644.8A CN109768643A (en) | 2018-12-28 | 2018-12-28 | A kind of mixed magnetic circuit automobile AC rotor structure and generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109768643A true CN109768643A (en) | 2019-05-17 |
Family
ID=66451071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811616644.8A Pending CN109768643A (en) | 2018-12-28 | 2018-12-28 | A kind of mixed magnetic circuit automobile AC rotor structure and generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109768643A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994286A (en) * | 2019-12-13 | 2021-06-18 | 三菱电机株式会社 | Rotating electrical machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000134888A (en) * | 1998-10-02 | 2000-05-12 | Valeo Equip Electric Moteur | Alternator for automobile |
| US20040178696A1 (en) * | 2002-04-26 | 2004-09-16 | Hitachi, Ltd. | Vehicle alternator and its rotor |
| CN1805249A (en) * | 2006-01-24 | 2006-07-19 | 王春 | Intelligent permanent magnet generator |
| CN101394113A (en) * | 2007-09-21 | 2009-03-25 | 株式会社电装 | Alternator with rotor for vehicle |
| CN105763010A (en) * | 2014-12-16 | 2016-07-13 | 北京佩特来电器有限公司 | Double-magnetic-circuit AC generator |
-
2018
- 2018-12-28 CN CN201811616644.8A patent/CN109768643A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000134888A (en) * | 1998-10-02 | 2000-05-12 | Valeo Equip Electric Moteur | Alternator for automobile |
| US20040178696A1 (en) * | 2002-04-26 | 2004-09-16 | Hitachi, Ltd. | Vehicle alternator and its rotor |
| CN1805249A (en) * | 2006-01-24 | 2006-07-19 | 王春 | Intelligent permanent magnet generator |
| CN101394113A (en) * | 2007-09-21 | 2009-03-25 | 株式会社电装 | Alternator with rotor for vehicle |
| CN105763010A (en) * | 2014-12-16 | 2016-07-13 | 北京佩特来电器有限公司 | Double-magnetic-circuit AC generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994286A (en) * | 2019-12-13 | 2021-06-18 | 三菱电机株式会社 | Rotating electrical machine |
| CN112994286B (en) * | 2019-12-13 | 2023-09-12 | 三菱电机株式会社 | Rotary electric machine |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190517 |
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| RJ01 | Rejection of invention patent application after publication |