CN104377921B - A kind of permanent-magnet magnetic resistance type double-rotor machine - Google Patents
A kind of permanent-magnet magnetic resistance type double-rotor machine Download PDFInfo
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- CN104377921B CN104377921B CN201410641669.9A CN201410641669A CN104377921B CN 104377921 B CN104377921 B CN 104377921B CN 201410641669 A CN201410641669 A CN 201410641669A CN 104377921 B CN104377921 B CN 104377921B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
Abstract
The invention discloses a kind of permanent-magnet magnetic resistance type double-rotor machine, including stator, outer rotor, internal rotor, interior rotating shaft, outer shaft, keel, casing, outer shaft, interior rotating shaft, slip ring, interior power of motor converter, outer power of motor converter, energy storage device and two supports.The present invention meets the needs of electric stepless time adjustment system by combining the advantages of magneto power density is high and reluctance motor radiator structure is good.
Description
Technical field
The invention belongs to technical field of motors, is related to a kind of double-rotor machine, and in particular to a kind of permanent-magnet magnetic resistance type is double to be turned
Sub-motor.
Background technology
As a most important part in hybrid vehicle, double-rotor machine turns into the focus of research naturally.At present, it is right
In double-rotor machine, research has had many.Including permanent-magnet type double-rotor machine, magnetic resistance type double-rotor machine, asynchronous type is double to be turned
Sub-motor.The double-rotor machine of above structure, while having its advantage, also there is many drawbacks.Permanent-magnet type birotor electricity
Machine, although power density is high, its is expensive；Magnetic resistance type double-rotor machine, although its radiator structure is good, its torque
Fluctuation is big, and power density is low；Asynchronous type double-rotor machine, although its is cheap, its efficiency is low.
The patent No. CN103219842A and CN1945939A patent document all disclose a kind of double-mechanical-port motor, category
In double-rotor machine.Double-mechanical-port motor disclosed in patent No. CN10321984A patent document include stator, outer rotor,
Internal rotor.In order to solve the problems, such as that motor reliability is low caused by brush, its outer rotor uses multiphase short circuit winding, interior turn
Permanent magnet is posted on son.Brush can so be saved.But this structure the problem of existing, is formed by internal rotor and outer rotor
Interior motor it is uncontrollable when double-mechanical-port motor works, cause the inefficient of double-mechanical-port motor.The patent No.
CN1945939A patent document discloses a kind of double-mechanical-port motor of permanent-magnet type.The advantages of this motor is power density
Height, small volume, but this structure thermal diffusivity is bad.Patent No. CN101106308A patent discloses a kind of end of reluctance type four
Mouth electromechanical energy convertor, substantially a kind of magnetic resistance type double-rotor machine, stator, outer rotor and internal rotor are all double-salient-pole knots
Structure.This structure good heat dissipation, but this structural volume is big, torque ripple is big, can not especially meet that hybrid vehicle exists
The demand of interior electric stepless time adjustment system.
The content of the invention
A kind of the shortcomings that it is an object of the invention to overcome above-mentioned prior art, there is provided permanent-magnet magnetic resistance type birotor electricity
Machine, the motor meet electric stepless time adjustment by combining the advantages of magneto power density is high and reluctance motor radiator structure is good
The demand of system.
To reach above-mentioned purpose, permanent-magnet magnetic resistance type double-rotor machine of the present invention include stator, outer rotor, interior turn
Sub, interior rotating shaft, outer shaft, keel, casing, outer shaft, interior rotating shaft, slip ring, interior power of motor converter, the conversion of outer power of motor
Device, energy storage device and two supports；
The support, stator, outer rotor, interior rotating shaft and outer shaft may be contained within housing, the both ends of stator, outer rotor
Both ends and the both ends of internal rotor are respectively flexibly connected with two supports, and stator, outer rotor and internal rotor are coaxially set from outside to inside
Put, stator is fixed on the inner side of casing, outer air gap between outer rotor and stator be present, interior gas between outer rotor and internal rotor be present
Gap, one end of outer shaft pass through the rear end cap of casing and are connected by keel with outer rotor, and one end of interior rotating shaft passes through casing
Drive end bearing bracket and a support be connected with interior rotating shaft, keel pass through another support；
The iron core of the stator is wound with stator winding respectively with the iron core of internal rotor and internal rotor winding, slip ring are socketed on
In interior rotating shaft, the slip ring that is drawn through of internal rotor winding is connected with interior power of motor converter, the extraction of stator winding with it is outer
Power of motor converter is connected, and interior power of motor converter is connected with outer power of motor converter with energy storage device.
The iron core of the stator and the iron core of outer rotor are double-salient-pole structure；
The iron core of the internal rotor is columnar structured.
The outer rotor offers some necks, and permanent magnet is embedded with each neck, and the polarity of each permanent magnet turns along outer
The circumferencial direction unshakable in one's determination of son is alternately arranged and tangentially magnetized.
The permanent magnet is cube permanent magnet.
The number of pole-pairs of the permanent magnet is 2, and stator and outer rotor are 12/8 double-salient-pole structure.
The stator winding is three-phase concentratred winding, and three-phase is arranged in order with 60 ° of electrical angles in the three-phase concentratred winding.
The internal rotor winding is three-phase symmetric winding, and three-phase is arranged successively with 120 ° of electrical angles in the three-phase symmetric winding
Row.
Also include the rotary transformer for being used for the positional information and velocity information for detecting outer rotor and internal rotor.
The outer rotor is provided with through hole, and outer rotor is connected by the through hole with keel.
The interior rotating shaft is connected by clutch shaft bearing with the drive end bearing bracket of casing；
The interior rotating shaft is connected by second bearing with support；
The outer shaft is connected by 3rd bearing with the rear end cap of casing.
The invention has the advantages that：
Permanent-magnet magnetic resistance type double-rotor machine of the present invention includes stator, outer rotor, internal rotor, and wherein stator turns with outer
Son forms magneto, and outer rotor forms magneto with internal rotor, and stator, outer rotor and internal rotor are coaxially set from outside to inside
Put, small volume, and be easy to radiate, the iron core of stator be wound with respectively on the iron core of internal rotor stator winding and internal rotor around
Group, the extraction of internal rotor winding are connected with interior power of motor converter, the spilling of stator winding and outer power of motor converter
It is connected, at work, engine exports energy by the present invention to automobile, when the energy residual of engine output, then will
Unnecessary energy stores are in energy storage device, and when the energy deficiency of generator output, energy storage device can supplement engine not
The dump energy of foot, while by the coupling between internal rotor and outer rotor, reach the transmission and distribution of energy, meet electricity
The demand of stepless time adjustment system.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view of body of the present invention radially；
Fig. 3 is the sectional view of body of the present invention in axial direction；
Fig. 4 is the sectional view of internal rotor 3 in axial direction in the present invention；
Fig. 5 is the sectional view of internal rotor 3 radially in the present invention；
Fig. 6 is the sectional view of stator 1 in axial direction in the present invention；
Fig. 7 is the sectional view of stator 1 radially in the present invention.
Wherein, 1 it is stator, 2 be outer rotor, 3 be internal rotor, 4 be interior air gap, 5 be outer air gap, 6 be interior rotating shaft, 7 is outer
Rotating shaft, 8 be casing, 9 be that drive end bearing bracket 9,10 is rear end cap, 11 is support, 12 is keel, 131 is clutch shaft bearing, 132 is second
Bearing, 133 be 3rd bearing, 14 be slip ring, 15 be interior power of motor converter, 16 be outer power of motor converter, 17 be storage
Can device, 18 be through hole, 19 be stator winding, 20 be permanent magnet, 21 be internal rotor winding.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, permanent-magnet magnetic resistance type double-rotor machine of the present invention includes
It is stator 1, outer rotor 2, internal rotor 3, interior rotating shaft 6, outer shaft 7, keel 12, casing 8, outer shaft 7, interior rotating shaft 6, slip ring 14, interior
Power of motor converter 15, outer power of motor converter 16, energy storage device 17 and two supports 11；The support 11, stator 1,
Outer rotor 2, interior rotating shaft 6 and outer shaft 7 may be contained within housing, the both ends of stator 1, the two of the both ends of outer rotor 2 and internal rotor 3
End is respectively flexibly connected with two supports 11, and stator 1, outer rotor 2 and internal rotor 3 are coaxially disposed from outside to inside, and stator 1 is fixed
In the inner side of casing 8, outer air gap 5 between outer rotor 2 and stator 1 be present, interior air gap 4 between outer rotor 2 and internal rotor 3 be present,
One end of outer shaft 7 passes through the rear end cap 10 of casing 8 and is connected by keel 12 with outer rotor 2, and one end of interior rotating shaft 6 passes through
The drive end bearing bracket 9 of casing 8 and a support 11 are connected with interior rotating shaft 6, and keel 12 pass through another support 11；The stator 1
Iron core unshakable in one's determination with internal rotor 3 is wound with stator winding 19 and internal rotor winding 21 respectively, and slip ring 14 is socketed in interior rotating shaft 6,
The slip ring 14 that is drawn through of internal rotor winding 21 is connected with interior power of motor converter 15, the extraction of stator winding 19 and dispatch from foreign news agency
Acc power converter 16 is connected, and interior power of motor converter 15 is connected with outer power of motor converter 16 with energy storage device 17
Connect.
It should be noted that the iron core of the stator 1 and the iron core of outer rotor 2 are double-salient-pole structure, the iron of internal rotor 3
The heart is columnar structured, and outer rotor 2 offers some necks, and permanent magnet 20, the pole of each permanent magnet 20 are embedded with each neck
Property is alternately arranged along the circumferencial direction unshakable in one's determination of outer rotor 2 and tangentially magnetized, and permanent magnet 20 is cube permanent magnet, permanent magnet 20
Number of pole-pairs be 2, stator 1 and outer rotor 2 are 12/8 double-salient-pole structure, and stator winding 19 is three-phase concentratred winding, the three-phase
Three-phase is arranged in order with 60 ° of electrical angles in concentratred winding, and internal rotor winding 21 is three-phase symmetric winding, the three-phase symmetric winding
Middle three-phase is arranged in order with 120 ° of electrical angles.Present invention additionally comprises the positional information and speed for detecting outer rotor 2 and internal rotor 3
The rotary transformer of information is spent, outer rotor 2 is provided with through hole 18, and outer rotor 2 is connected by the through hole 18 with keel 12, interior
Rotating shaft 6 is connected by clutch shaft bearing 131 with the drive end bearing bracket 9 of casing 8, and interior rotating shaft 6 is connected by second bearing 132 with support 11
Connect, outer shaft 7 is connected by 3rd bearing 133 with the rear end cap 10 of casing 8.
When permanent-magnet magnetic resistance type double-rotor machine of the present invention is applied to hybrid vehicle, outer shaft 7 is output
Axle, it is joined directly together with power transmission shaft, interior rotating shaft 6 is input shaft, is joined directly together with the output end of engine, interior power of motor converter
15 are connected with outer power of motor converter 16 by energy storage device 17, and when hybrid vehicle works, engine passes through this hair
Bright to export energy to automobile, when the energy residual of engine output, unnecessary energy can be stored in energy storage device 17, when
During the energy deficiency of engine output, energy storage device 17 can provide the energy of remaining deficiency for the present invention.
In the embodiment of reality, the number of pole-pairs of permanent magnet 20 is not limited to two pairs of poles, as long as accomplishing the matching of number of pole-pairs
, meanwhile, the shape of permanent magnet 20 is also not necessarily limited to cube, and other shapes of permanent magnet 20 can also be attempted.
Claims (7)
1. a kind of permanent-magnet magnetic resistance type double-rotor machine, it is characterised in that including stator (1), outer rotor (2), internal rotor (3), interior
Rotating shaft (6), outer shaft (7), keel (12), casing (8), slip ring (14), interior power of motor converter (15), outer power of motor become
Parallel operation (16), energy storage device (17) and two supports (11)；
The support (11), stator (1), outer rotor (2), interior rotating shaft (6) and outer shaft (7) may be contained within casing (8), keel
(12) one end is connected with a support (11), and the other end of keel (12) passes through outer rotor (2) and another support (11)
It is connected, the both ends at the both ends of stator (1), the both ends of outer rotor (2) and internal rotor (3) are respectively movable with two supports (11)
Connection, stator (1), outer rotor (2) and internal rotor (3) are coaxially disposed from outside to inside, and stator (1) is fixed on the inner side of casing (8),
Outer air gap (5) between outer rotor (2) and stator (1) be present, interior air gap (4) between outer rotor (2) and internal rotor (3) be present, outside
Rear end cap (10) of the one end of rotating shaft (7) through casing (8) and the support (11) by rear end cap (10) side and outer rotor (2)
It is connected, one end of interior rotating shaft (6) connects through the drive end bearing bracket (9) of casing (8) and support (11) activity of drive end bearing bracket (9) side
Connect；
The iron core of the stator (1) is wound with stator winding (19) and internal rotor winding (21) respectively with the iron core of internal rotor (3),
Slip ring (14) is socketed in interior rotating shaft (6), and internal rotor winding (21) is drawn through slip ring (14) and interior power of motor converter
(15) it is connected, the extraction of stator winding (19) is connected with outer power of motor converter (16), interior power of motor converter
(15) it is connected with outer power of motor converter (16) with energy storage device (17)；
The interior rotating shaft (6) is connected by clutch shaft bearing (131) with the drive end bearing bracket (9) of casing (8)；
The interior rotating shaft (6) is connected by second bearing (132) with support (11)；
The iron core of the stator (1) and the iron core of outer rotor (2) are double-salient-pole structure；
The iron core of the internal rotor (3) is columnar structured；
The outer rotor (2) offers some necks, and permanent magnet (20), the polarity of each permanent magnet (20) are embedded with each neck
It is alternately arranged along the circumferencial direction unshakable in one's determination of outer rotor (2) and tangentially magnetizes.
2. permanent-magnet magnetic resistance type double-rotor machine according to claim 1, it is characterised in that the permanent magnet (20) is cube
Body permanent magnet.
3. permanent-magnet magnetic resistance type double-rotor machine according to claim 1, it is characterised in that the permanent magnet (20) it is extremely right
Number is 2, and stator (1) and outer rotor (2) are 12/8 double-salient-pole structure.
4. permanent-magnet magnetic resistance type double-rotor machine according to claim 1, it is characterised in that the stator winding (19) is three
Phase concentratred winding, three-phase is arranged in order with 60 ° of electrical angles in the three-phase concentratred winding.
5. permanent-magnet magnetic resistance type double-rotor machine according to claim 1, it is characterised in that the internal rotor winding (21) is
Three-phase symmetric winding, three-phase is arranged in order with 120 ° of electrical angles in the three-phase symmetric winding.
6. permanent-magnet magnetic resistance type double-rotor machine according to claim 1, it is characterised in that also include being used to detect outer rotor
And the rotary transformer of the positional information of internal rotor (3) and velocity information (2).
7. permanent-magnet magnetic resistance type double-rotor machine according to claim 1, it is characterised in that
The outer shaft (7) is connected by 3rd bearing (133) with the rear end cap (10) of casing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641669.9A CN104377921B (en) | 2014-11-13 | 2014-11-13 | A kind of permanent-magnet magnetic resistance type double-rotor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641669.9A CN104377921B (en) | 2014-11-13 | 2014-11-13 | A kind of permanent-magnet magnetic resistance type double-rotor machine |
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| Publication Number | Publication Date |
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| CN104377921A CN104377921A (en) | 2015-02-25 |
| CN104377921B true CN104377921B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410641669.9A Active CN104377921B (en) | 2014-11-13 | 2014-11-13 | A kind of permanent-magnet magnetic resistance type double-rotor machine |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406670A (en) * | 2015-12-10 | 2016-03-16 | 皖西学院 | Switched reluctance motor of double-rotor structure |
| CN106341013A (en) * | 2016-09-18 | 2017-01-18 | 重庆大学 | Permanent magnet-magnetic resistance radial magnetic-flux compound double-rotor motor |
| CN107196574A (en) * | 2017-05-08 | 2017-09-22 | 西安交通大学 | A kind of outer power of motor translation circuit of permanent-magnet magnetic resistance type double-rotor machine |
| CN106972719A (en) * | 2017-05-19 | 2017-07-21 | 宁德时代电机科技有限公司 | A kind of high-power density permanent magnetic double external rotor air compressor motor device |
| CN109104009A (en) * | 2018-08-31 | 2018-12-28 | 重庆大学 | A kind of birotor permanent magnetic vernier motor |
| CN110571996A (en) * | 2019-10-22 | 2019-12-13 | 青岛厚德新能源科技开发有限公司 | Double-rotor motor |
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| CN203537093U (en) * | 2013-09-12 | 2014-04-09 | 江苏大学 | Magnetic-isolation squirrel cage outer rotor structure of stator permanent magnet double-rotor motor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07250458A (en) * | 1994-03-11 | 1995-09-26 | Okuma Mach Works Ltd | Reluctance motor |
| BRPI0402045B1 (en) * | 2004-05-12 | 2021-04-13 | Oscar Rolando Avilla Cusicanqui | HYBRID RELUCTANCE ELECTRIC MOTOR |
| KR101310529B1 (en) * | 2011-09-01 | 2013-09-23 | 삼성전기주식회사 | Switched reluctance motor |
| CN103904846B (en) * | 2013-09-12 | 2016-06-15 | 江苏大学 | A kind of Hybrid Vehicle stator permanent magnetic type double-rotor machine structure |
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2014
- 2014-11-13 CN CN201410641669.9A patent/CN104377921B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203537093U (en) * | 2013-09-12 | 2014-04-09 | 江苏大学 | Magnetic-isolation squirrel cage outer rotor structure of stator permanent magnet double-rotor motor |
Non-Patent Citations (1)
| Title |
|---|
| Design Analysis and experimental Validation of a Double Rotor Synchronous PM Machine Used for HEV;peter 等;《IEEE TRANSACTIONS ON MAGNETICS》;20130131;第49卷(第1期);全文第152页第2栏至第153页第2栏，附图1-2 * |
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