CN108736676A - Penetration radial magnetic circuit double rotor single stator with no yoke high torque density magneto - Google Patents
Penetration radial magnetic circuit double rotor single stator with no yoke high torque density magneto Download PDFInfo
- Publication number
- CN108736676A CN108736676A CN201810709182.8A CN201810709182A CN108736676A CN 108736676 A CN108736676 A CN 108736676A CN 201810709182 A CN201810709182 A CN 201810709182A CN 108736676 A CN108736676 A CN 108736676A
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- Prior art keywords
- stator
- motor shaft
- hole
- pivoted frame
- several
- 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
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- 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
-
- 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
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of penetration radial magnetic circuit double rotor single stator with no yoke high torque density magneto, including motor shaft, the motor shaft is hollow shaft, and left bearing and right bearing are connected separately at left and right sides of the motor shaft；Left-handed pivoted frame and dextrorotation pivoted frame are connected separately on the left bearing and right bearing；It is connected with casing between the left-handed pivoted frame and dextrorotation pivoted frame；Stator module is connected on the motor shaft, the stator module is between left bearing and right bearing；The left-handed pivoted frame has extended to form internal rotor fixed frame inwardly；Several internal rotor magnetic steels are connected with by internal rotor yoke on the internal rotor fixed frame；The inside of the casing is connected with several outer rotor magnet steel by outer rotor yoke；The configuration of the present invention is simple makes the motor have high torque density, high reliability, high controllability by the respective outer side edges of birotor, single stator；Vibration when reducing motor operation and noise.
Description
Technical field
The present invention relates to technical field of motors more particularly to a kind of penetration radial magnetic circuit double rotor single stator with no yoke are high
Torque density magneto.
Background technology
In recent years, magneto has been more and more widely used in fields such as economy, national defence, technology also increasingly at
It is ripe.Motor, which has both high torque density, high linearity and efficient advantage, to be usually required that for magneto at present.
In terms of improving torque density, currently used method is that electric machine stator iron increases notch or uses straight-tooth knot
Structure reduces or removes the crown in traditional stator punching, its advantage is that notch leakage field can be substantially reduced, reduce motor magnetic circuit
Degree of saturation, while armature-reaction main flux can be increased, therefore can greatly improve the torque density of motor；But
The shortcomings that structure is that motor stator notch width is larger, and larger eddy-current loss is will produce on rotor permanent magnet, to concentrate around
For the Wound-rotor type stator core of group, big notch or straight tooth structure have lacked crown and have limited the position of coil-conductor, increase
Motor manufacturing difficulty.
Invention content
A kind of simple in structure, operation side is provided it is an object of the invention to overcome above-mentioned shortcoming in the prior art
Just, practical penetration radial magnetic circuit double rotor single stator with no yoke high torque density magneto.
The present invention realizes in the following way：
Penetration radial magnetic circuit double rotor single stator with no yoke high torque density magneto, it is characterised in that：Including motor
Axis, the motor shaft are hollow shaft, and left bearing and right bearing are connected separately at left and right sides of the motor shaft；The left bearing
With left-handed pivoted frame and dextrorotation pivoted frame are connected separately on right bearing；The left-handed pivoted frame and dextrorotation pivoted frame are respectively relative to motor shaft
It is rotatable；It is connected with casing between the left-handed pivoted frame and dextrorotation pivoted frame；Stator module is connected on the motor shaft, it is described fixed
Sub-component is between left bearing and right bearing；The left-handed pivoted frame has extended to form internal rotor fixed frame inwardly；In described
Several internal rotor magnetic steels are connected with by internal rotor yoke on rotor fixed frame；The internal rotor magnetic steel is located at the interior of stator module
Side；The inside of the casing is connected with several outer rotor magnet steel by outer rotor yoke；The outer rotor magnet steel is located at stator pack
The outside of part；
It is connected with rotation on the inside of the left end of the motor shaft and becomes stator；Become fixed frame by rotation on the left-handed pivoted frame to be connected with
Become the matched rotation change rotor of stator with putting；The coil lead of the stator module is connected with extraction cable, extraction cable
The inside and the lead-out wire of rotation change stator for being arranged in motor shaft are mutually converged to form output line, and output line is from set on motor shaft right end
Sealing ring extends to outside.
Further, the stator module includes stator fixed mount, and the stator fixed mount is set on motor shaft；It is described fixed
The left end of sub- fixed frame is connected with stator core fixed frame, and the stator core fixed frame is equipped with several for installing stator iron
Several stator slots of core；The stator slot is equipped with stator core；The stator fixed mount is equipped with several coil lead slots, institute
Coil lead slot is stated with corresponding stator slot to be connected；Coiling is wound with by plastic insulation sheath on the stator core
Packet, coiling, which is wrapped, extends coil lead, and coil lead is set in coil lead slot；
It is integrally formed in the stator fixed mount and is equipped with internal cavity ring and external cavity ring, the internal cavity ring is fixed with stator
Water inlet on frame is connected；The external cavity ring is connected with the water outlet in stator fixed mount；The stator core is fixed
By several inlet through hole and several water outlet through-holes are equipped at intervals in frame, every group of water channel is by an inlet through hole and a water outlet through-hole
Composition；One end of the inlet through hole is connected by inner waterway with internal cavity ring；One end of the water outlet through-hole passes through interior
Layer water channel is connected with external cavity ring；It is connected with cover board on the left of the stator core fixed frame；It is set by interval on the cover board
There are several water channel slots, end one water channel slot of correspondence of an inlet through hole and a water outlet through-hole so that water channel slot, water inlet are logical
Hole, water outlet through-hole, internal cavity ring, external cavity ring form a circulating cooling water channel.
Further, the inlet and outlet are connected with water inlet pipe on motor shaft and outlet pipe respectively.
The beneficial effects of the present invention are：It is simple in structure, so that the motor is had by the respective outer side edges of birotor, single stator
High torque density, high reliability, high controllability；Vibration when reducing motor operation and noise.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 schematic structural views of the invention；
Fig. 2 structure of the invention sectional views；
Fig. 3 stator fixed mount structural schematic diagrams of the present invention；
Fig. 4 stator fixed mount structure sectional views of the present invention；
Fig. 5 stator core construction schematic diagrames of the present invention.
Specific implementation mode
To keep the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit and wants below
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained without creative efforts belongs to this
Invent the range of protection.
In the description of the present invention, it should be noted that term "upper", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Have ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection, or one
Ground connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
Embodiment：
A kind of penetration radial magnetic circuit double rotor single stator with no yoke high torque density magneto, as Figure 1-Figure 5, packet
Motor shaft 1 is included, motor shaft 1 is hollow shaft, and the left and right sides of motor shaft 1 is connected separately with left bearing 2 and right bearing 3；Left bearing 2
With left-handed pivoted frame 4 and dextrorotation pivoted frame 5 are connected separately on right bearing 3；Left-handed pivoted frame 4 and dextrorotation pivoted frame 5 are respectively relative to motor
Axis 1 is rotatable；Casing 6 is connected between left-handed pivoted frame 4 and dextrorotation pivoted frame 5；Stator module 7, stator pack are connected on motor shaft 1
Part 7 is between left bearing 2 and right bearing 3；Left-handed pivoted frame 4 has extended to form internal rotor fixed frame 41 inwardly；Internal rotor is solid
Determine to be connected with several internal rotor magnetic steels 43 by internal rotor yoke 42 on frame 41；Internal rotor magnetic steel 43 is located at the interior of stator module 7
Side；The inside of casing 6 is connected with several outer rotor magnet steel 62 by outer rotor yoke 61；Outer rotor magnet steel 62 is located at stator module
7 outside；It is connected with rotation on the inside of the left end of motor shaft 1 and becomes stator 8；Become fixed frame 9 by rotation on left-handed pivoted frame 4 to be connected with and put
Become 8 matched rotation of stator and becomes rotor 10；The coil lead 11 of stator module 7 is connected with extraction cable 12, extraction cable
The lead-out wire that 12 inside for being arranged in motor shaft 1 become stator 8 with rotation mutually converges to form output line 13, and output line 13 is from set on motor
The sealing ring 14 of 1 right end of axis extends to outside.
In the present embodiment, as shown in Fig. 3, Fig. 4, Fig. 5, stator module 7 includes stator fixed mount 72, and stator fixed mount 72 is set
In on motor shaft 1；The left end of stator fixed mount 72 is connected with stator core fixed frame 76, if stator core fixed frame 76 is equipped with
Do several stator slots 77 for installing stator core 71；Stator slot 77 is equipped with stator core 71；It is set in stator fixed mount 72
There are several coil lead slots 711, coil lead slot 711 to be connected with corresponding stator slot 77；Pass through modeling on stator core 71
Material insulating sheath 713 is wound with coiling packet 712, extends coil lead 11 on coiling packet 712, coil lead 11 draws set on coil
In wire casing 711；It is integrally formed in the stator fixed mount 72 and is equipped with internal cavity ring 73 and external cavity ring 731, the internal cavity ring
73 are connected with the water inlet 74 in stator fixed mount 72；The external cavity ring 731 and the water outlet 75 in stator fixed mount 72
It is connected；By being equipped at intervals with several inlet through hole 78 and several water outlet through-holes 781, every group of water in the stator core fixed frame 76
Road is made of an inlet through hole 78 and a water outlet through-hole 781；One end of the inlet through hole 78 by inner waterway 732 with
Internal cavity ring 73 is connected；One end of the water outlet through-hole 781 is connected by inner waterway 733 with external cavity ring 731；It is described
The left side of stator core fixed frame 76 is connected with cover board 79；By being equipped at intervals with several water channel slots 710 on the cover board 79, one into
The end of water through-hole 78 and a water outlet through-hole 781 corresponds to a water channel slot 710 so that water channel slot 710, goes out inlet through hole 78
Water through-hole 781, internal cavity ring 73, external cavity ring 731 form a circulating cooling water channel.
When implementation, left-handed pivoted frame 4 and dextrorotation pivoted frame 5 and tumbler, such as driving motor are connected, filled by rotating
It sets and left-handed pivoted frame 4 and dextrorotation pivoted frame 5 is driven to rotate, and then internal rotor magnetic steel 43, outer rotor magnet steel 62 is driven to rotate, internal rotor magnetic
Steel 43, outer rotor magnet steel 62 form magnetic circuit, the power that magnetic circuit is formed in rotary course with the stator core 71 on stator module 7
It is exported by output line 13.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (3)
1. penetration radial magnetic circuit double rotor single stator with no yoke high torque density magneto, it is characterised in that：Including motor shaft
(1), the motor shaft (1) is hollow shaft, and left bearing (2) and right bearing are connected separately at left and right sides of the motor shaft (1)
(3)；It is connected separately with left-handed pivoted frame (4) and dextrorotation pivoted frame (5) on the left bearing (2) and right bearing (3)；The left-handed pivoted frame
(4) and dextrorotation pivoted frame (5) to be respectively relative to motor shaft (1) rotatable；Connect between the left-handed pivoted frame (4) and dextrorotation pivoted frame (5)
It is connected to casing (6)；Stator module (7) is connected on the motor shaft (1), the stator module (7) is located at left bearing (2) and the right side
Between bearing (3)；The left-handed pivoted frame (4) has extended to form internal rotor fixed frame (41) inwardly；The internal rotor fixed frame
(41) several internal rotor magnetic steels (43) are connected with by internal rotor yoke (42) on；The internal rotor magnetic steel (43) is located at stator pack
The inside of part (7)；The inside of the casing (6) is connected with several outer rotor magnet steel (62) by outer rotor yoke (61)；It is described
Outer rotor magnet steel (62) is located at the outside of stator module (7)；
It is connected with rotation on the inside of the left end of the motor shaft (1) and becomes stator (8)；Fixed frame is become by rotation on the left-handed pivoted frame (4)
(9) it is connected with and puts and become the matched rotation change rotor (10) of stator (8)；The coil lead (11) of the stator module (7) connects
There is extraction cable (12), extraction cable (12) is arranged in the inside of motor shaft (1) and the lead-out wire of rotation change stator (8) mutually converges
Conjunction forms output line (13), and output line (13) extends to outside from the sealing ring (14) set on motor shaft (1) right end.
2. penetration radial magnetic circuit double rotor single stator with no yoke high torque density magneto according to claim 1,
It is characterized in that：The stator module (7) includes stator fixed mount (72), and the stator fixed mount (72) is set on motor shaft (1)；
The left end of the stator fixed mount (72) is connected with stator core fixed frame (76), and the stator core fixed frame (76) is equipped with
Several several stator slots (77) for installing stator core (71)；The stator slot (77) is equipped with stator core (71)；Institute
It states stator fixed mount (72) and is equipped with several coil lead slots (711), the coil lead slot (711) and corresponding stator slot
(77) it is connected；Coiling packet (712), coiling packet are wound with by plastic insulation sheath (713) on the stator core (71)
(712) extend coil lead (11) on, coil lead (11) is set in coil lead slot (711)；
It is integrally formed in the stator fixed mount (72) and is equipped with internal cavity ring (73) and external cavity ring (731), the internal cavity ring
(73) it is connected with the water inlet (74) in stator fixed mount (72)；On the external cavity ring (731) and stator fixed mount (72)
Water outlet (75) be connected；By being equipped at intervals with several inlet through hole (78) and if doing in the stator core fixed frame (76)
Water through-hole (781), every group of water channel are made of an inlet through hole (78) and a water outlet through-hole (781)；The inlet through hole
(78) one end is connected by inner waterway (732) with internal cavity ring (73)；One end of the water outlet through-hole (781) passes through interior
Layer water channel (733) is connected with external cavity ring (731)；It is connected with cover board (79) on the left of the stator core fixed frame (76)；
By several water channel slots (710) are equipped at intervals on the cover board (79), an inlet through hole (78) and one are discharged through-hole (781)
End corresponds to a water channel slot (710) so that water channel slot (710), inlet through hole (78), water outlet through-hole (781), internal cavity ring
(73), external cavity ring (731) forms a circulating cooling water channel.
3. penetration radial magnetic circuit double rotor single stator with no yoke high torque density magneto according to claim 2,
It is characterized in that：The water inlet (74) and water outlet (75) respectively with water inlet pipe (15) on motor shaft (1) and outlet pipe (16) phase
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810709182.8A CN108736676B (en) | 2018-07-02 | 2018-07-02 | Penetrating radial magnetic circuit double-rotor single-stator yoke-free high-torque-density permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810709182.8A CN108736676B (en) | 2018-07-02 | 2018-07-02 | Penetrating radial magnetic circuit double-rotor single-stator yoke-free high-torque-density permanent magnet motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108736676A true CN108736676A (en) | 2018-11-02 |
| CN108736676B CN108736676B (en) | 2023-08-25 |
Family
ID=63925629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810709182.8A Active CN108736676B (en) | 2018-07-02 | 2018-07-02 | Penetrating radial magnetic circuit double-rotor single-stator yoke-free high-torque-density permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108736676B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560627A (en) * | 2018-12-15 | 2019-04-02 | 宁德时代电机科技有限公司 | The high reluctance torque external rotor type permanent magnetism driving motor of flat type copper wire shaping stator coil |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB242033A (en) * | 1924-09-17 | 1925-11-05 | John Johnston | Improvements in rotary compressors and exhausters |
| US20040061410A1 (en) * | 2002-07-16 | 2004-04-01 | Japan Servo Co., Ltd. | Permanent magnet type electric rotating machine |
| CN201349167Y (en) * | 2008-10-09 | 2009-11-18 | 广东工业大学 | Composite excitation brushless motor for driving electric car |
| US20100186687A1 (en) * | 2007-04-23 | 2010-07-29 | Byoung Kyu Kim | Stator for bldg motor bldc motor having double rotors/ single stator and vehicle cooler using the same |
| CN204615534U (en) * | 2015-04-20 | 2015-09-02 | 上海融德机电工程设备有限公司 | For the water-cooling structure of magnetic coupling |
| CN105720712A (en) * | 2016-04-19 | 2016-06-29 | 北京康城科技有限公司 | Disk-type hub motor adopting stator liquid cooling and having rotor magnetic steel being embedded |
-
2018
- 2018-07-02 CN CN201810709182.8A patent/CN108736676B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB242033A (en) * | 1924-09-17 | 1925-11-05 | John Johnston | Improvements in rotary compressors and exhausters |
| US20040061410A1 (en) * | 2002-07-16 | 2004-04-01 | Japan Servo Co., Ltd. | Permanent magnet type electric rotating machine |
| US20100186687A1 (en) * | 2007-04-23 | 2010-07-29 | Byoung Kyu Kim | Stator for bldg motor bldc motor having double rotors/ single stator and vehicle cooler using the same |
| CN201349167Y (en) * | 2008-10-09 | 2009-11-18 | 广东工业大学 | Composite excitation brushless motor for driving electric car |
| CN204615534U (en) * | 2015-04-20 | 2015-09-02 | 上海融德机电工程设备有限公司 | For the water-cooling structure of magnetic coupling |
| CN105720712A (en) * | 2016-04-19 | 2016-06-29 | 北京康城科技有限公司 | Disk-type hub motor adopting stator liquid cooling and having rotor magnetic steel being embedded |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560627A (en) * | 2018-12-15 | 2019-04-02 | 宁德时代电机科技有限公司 | The high reluctance torque external rotor type permanent magnetism driving motor of flat type copper wire shaping stator coil |
| CN109560627B (en) * | 2018-12-15 | 2024-04-09 | 宁德时代电机科技有限公司 | Flat copper wire formed stator coil high reluctance torque outer rotor type permanent magnet driving motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108736676B (en) | 2023-08-25 |
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