CN106059131B - A kind of mixed magnetic circuit driving motor - Google Patents
A kind of mixed magnetic circuit driving motor Download PDFInfo
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- CN106059131B CN106059131B CN201610517462.XA CN201610517462A CN106059131B CN 106059131 B CN106059131 B CN 106059131B CN 201610517462 A CN201610517462 A CN 201610517462A CN 106059131 B CN106059131 B CN 106059131B
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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
- H02K1/16—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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The present invention relates to electric motor of automobile technical field of electric appliances more particularly to a kind of mixed magnetic circuit driving motors.The present invention provides a kind of mixed magnetic circuit driving motors comprising: main shaft, stator, rotor and lead-out wire, stator include stator core and the stator winding that is embedded in stator core；Rotor is set to the periphery of stator and is rotatably connected by bearing and main shaft, including rotor core, combined type radial permanent magnet body and axial pole pair；Combined type radial permanent magnet body and axial pole are set in rotor core to stator core is corresponded to, and are equipped with gap with stator core.The present invention is by being arranged high performance combined type radial permanent magnet body, and power factor is high, efficient operation range is big, and realizes that air gap permanent magnet magnetic flux is adjustable, and torque output capability is strong when low speed, and weak magnetism speed expansion performance is good when high speed；And by setting radial-axial mixed magnetic circuit and the stator winding being correspondingly arranged with mixed magnetic circuit, realization makes full use of winding overhang, and torque density and power density are high.
Description
Technical field
The present invention relates to electric motor of automobile technical field of electric appliances more particularly to a kind of mixed magnetic circuit driving motors, and in particular to
It is a kind of to promote electric efficiency, power density and low speed high torque fan-out capability, and the mixing magnetic of high speed weak magnetic property can be improved
Road driving motor.
Background technique
It is a kind of electric car driving method with development potential that wheel hub, which directly drives, and the important hair of the following electric car
Direction is opened up, there are other automobile-used unrivaled advantages of driving method, and the driving motor haveing excellent performance is then to guarantee that wheel hub is straight
Drive electric automobile possesses the key point of good dynamics performance.In conjunction with the characteristics of electric vehicle operating condition, wheel hub direct-driving electric
Machine must satisfy following performance requirement: biggish torque be provided when low speed, needs when meeting automobile starting or climbing；Have
Wider torque and rotational speed regulation range, to meet the power performance under automobile difference operating condition.In addition, to improve in vehicle driving
Journey, motor answer efficiency with higher；It is reduction motor size to adapt to the limited space of inside wheel, further decreases vehicle
Nonspring carried mass, motor answer power and torque density with higher etc..
Domestic and international electric wheel hub direct driving motor is first choice with permanent magnetic brushless at present, and uses high performance permanent magnetic materials,
To improve power density and efficiency.As the permanent magnetic brushless of hub direct-drive motor first choice, though have high efficiency, high power because
Several advantages, but it is uncontrollable due to permanent magnetic field, and electric machine speed regulation range is relatively narrow, need to take control strategy to expand its revolving speed model
It encloses.And be to improve maximum (top) speed, magneto is controlled frequently with weak magnetic, but is often difficult to achieve the desired results in implementation, and companion
With a series of new problems: (1) direct-axis current Id constantly increases when weak-magnetic speed-regulating, to keep higher electromagnetic torque, inverter
It must have enough capacity；(2) due to the influence of Id, stator copper loss is larger, and efficiency reduces；(3) if inversion occurs in when weak magnetic
Failure, system lose weak magnetic control ability, and high-speed rotating permanent magnetic field can induce too high voltages in machine winding, may
Damage transducer power device.While to existing electric system scheme optimization, domestic and international researchers are also dedicated to newly open up
Structural electromotor research is flutterred, to better conform to the requirement that electric automobile hub directly drives.As transverse flux motor, double salient-pole electric machine,
Magnetic field modulation magneto, synchronous magnetic resistance motor, combined type motor etc..Researchers are seeking new topological structure and optimisation strategy
When focus, focus mostly on greatly lay particular emphasis on improve hub direct-drive motor efficiency, power density, or improve the slow-speed of revolution section dynamic
Characteristic, and to the comprehensive performance of its low speed high torque and wide speed regulating range is taken into account in terms of, do not give enough attention and comprehensive
Consider.
Patent of invention CN201410140691.5 discloses a kind of electric car permanent magnetism and electromagnetic hybrid excitation wheel hub drives
Electrical excitation winding coil is wrapped on rotor core by device, and the magnetic field in hub drive device air gap is encouraged by permanent-magnet steel and electricity
Magnetic coil provides jointly, and magnetic field strength is big, and power density is high；It is radial that patent of invention CN201510323643.4 discloses a kind of axis
Magnetic flow permanent magnet motor is mixed, rotor is arranged in the outside of stator, multiple radial permanent magnet bodies is evenly equipped on the inner circle wall surface of rotor, and
It is evenly distributed around axis, multiple axial permanent magnetics are evenly equipped in radial line respectively on the inner surface on the both sides of the face of rotor
Body, the invention main purpose be to promote the space utilization rate of existing magneto, further promotes the torque density of motor
And power density.The above patented technology is the power density to improve motor, and is taking into account low speed high torque output and width
Fail to provide effective solution on the problem of torque, rotational speed regulation range.
Summary of the invention
(1) technical problems to be solved
Electric efficiency, power density and low speed high torque fan-out capability can be promoted the object of the present invention is to provide a kind of, and
The mixed magnetic circuit driving motor of high speed weak magnetic property can be improved, the power density of motor can only be improved to solve existing motor,
And it cannot be considered in terms of the problem of low speed high torque output is with wide torque and rotational speed regulation range.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of mixed magnetic circuit driving motors comprising:
Main shaft；
Stator, the stator include stator core and stator winding, and the stator core is circular cylinder, the stator around
Group is embedded in the stator core, and the stator core is fixed on the main shaft；
Rotor, set on the periphery of the stator, including rotor core, combined type radial permanent magnet body and axial pole pair, institute
It states rotor core and is circular cylinder and is rotatably connected by bearing and the main shaft that the combined type radial permanent magnet body corresponds to
The outer circle upper surface of the stator core is set on the inner circle upper surface of the rotor core, and the axial pole is to corresponding to institute
The outer circle side for stating stator core is set on the inner circle side of the rotor core；The combined type radial permanent magnet body and axial magnetic
Extremely gap is equipped with to the stator core；
Lead-out wire, the lead-out wire are connect with the stator winding.
Wherein, the combined type radial permanent magnet body includes multiple permanent magnet units circumferentially arranged, each permanent magnet list
Member includes two adjacent and the first permanent magnets and two the second permanent magnets circumferentially, described two second permanent magnet diameters
To the both ends for arranging and being respectively arranged on described two first permanent magnets.
Wherein, to including at least one set of magnetic pole sub-unit, magnetic pole sub-unit described in every group wraps the axial pole
The first magnetic pole and the second magnetic pole are included, and first magnetic pole and the second magnetic pole are asymmetric magnetic system structure.
Wherein, the stator core is equipped with along the spaced apart inverted U groove of its circumferencial direction, the inverted U groove
For installing the stator winding, and the size of the groove and the size of the stator winding match.
Wherein, which further includes the cooling device for being arranged in the stator core.
Wherein, the stator core is equipped with multiple axially extending bores circumferentially, and the cooling device includes more water
Cold copper pipe, the water-cooled copper are threaded through in the axially extending bore.
Wherein, the both ends of the cooling device are respectively equipped with the first water jacket, the second water jacket, and the two of the more water-cooled coppers
End is connected to second water jacket of the first water sleeve respectively.
Wherein, mutually independent inner-layer channel and outer layer channel, a part of water-cooled copper are equipped in first water jacket
Pipe is connected to the inner-layer channel, and water-cooled copper described in another part is connected to the outer layer channel；It is set on first water jacket
The water inlet for having the water outlet being connected to the inner-layer channel and being connected to the outer layer channel.
Wherein, the main shaft offers conducting wire blind hole, and the lead-out wire stretches to the stator along the conducting wire blind hole
It is connect between iron core and cooling device and with the stator winding.
Wherein, the stator core is fixed on the main shaft by stator support.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the advantages that the present invention provides a kind of mixed magnetic circuit driving motor,
It include: main shaft；Stator, stator include stator core and stator winding, and stator core is circular cylinder, and stator winding is embedded at fixed
In sub- iron core, stator core is fixed on main shaft；Rotor, set on the periphery of stator, including rotor core, combined type radial permanent magnet
Body and axial pole pair, rotor core are rotatably connected for circular cylinder and by bearing and main shaft, combined type radial permanent magnet body
Outer circle upper surface corresponding to stator core is set on the inner circle upper surface of rotor core, and axial pole is to corresponding to stator core
Outer circle side be set to rotor core inner circle side on；Combined type radial permanent magnet body and axial pole pair are all provided with stator core
There is gap；Lead-out wire, lead-out wire are connect with stator winding.The present invention is by being arranged high performance combined type radial permanent magnet body, function
Rate factor is high, efficient operation range is big, and realizes that air gap permanent magnet magnetic flux is adjustable, and torque output capability is strong when low speed, and when high speed is weak
Magnetism speed expansion performance is good；And pass through setting radial-axial mixed magnetic circuit and the stator winding being correspondingly arranged with mixed magnetic circuit, realization pair
Winding overhang makes full use of, and torque density and power density are high；Meanwhile mixed magnetic circuit driving motor provided by the present application is available
It in all kinds of electric vehicles, and is expected to be extended to the electrified propulsion of the delivery vehicles such as engineering machinery, naval vessel, before there is wide application
Scape.
Detailed description of the invention
Fig. 1 is a kind of the schematic diagram of the section structure of the driving motor of mixed magnetic circuit driving motor embodiment of the present invention；
Fig. 2 is a kind of specific structure signal of combined type radial permanent magnet body of mixed magnetic circuit driving motor embodiment of the present invention
Figure；
Fig. 3 is a kind of concrete structure schematic diagram of the axial pole pair of mixed magnetic circuit driving motor embodiment of the present invention；
Fig. 4 is a kind of concrete structure schematic diagram of the stator core of mixed magnetic circuit driving motor embodiment of the present invention；
Fig. 5 is a kind of concrete structure schematic diagram of the stator winding of mixed magnetic circuit driving motor embodiment of the present invention；
Fig. 6 is that a kind of stator core of mixed magnetic circuit driving motor embodiment of the present invention and the connection type of stator winding are shown
It is intended to；
Fig. 7 is a kind of arrangement of the axially extending bore of mixed magnetic circuit driving motor embodiment of the present invention in stator core
Schematic diagram；
Fig. 8 is a kind of concrete structure schematic diagram of the cooling device of mixed magnetic circuit driving motor embodiment of the present invention；
Fig. 9 is that a kind of cooling device of mixed magnetic circuit driving motor embodiment of the present invention and the connection type of stator core are shown
It is intended to.
In figure: 1: main shaft；2: rotor core；3: combined type radial permanent magnet body；3-1: the first permanent magnet；3-2: the second permanent magnetism
Body；4: axial pole pair；4-1: the first magnetic pole；4-2: the second magnetic pole；5: stator winding；5-1: axial winding；5-2: radially about
Group；6: stator core；6-1: axial notch；6-2: radial groove；7: lead-out wire；8: bearing；9: axially extending bore；10: water-cooled copper
Pipe；11: the second water jackets；12: outer layer channel；13: inner-layer channel；14: water inlet；15: water outlet；16: cooling device.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in Figures 1 to 9, the embodiment of the invention provides a kind of mixed magnetic circuit driving motors comprising main shaft 1；It is fixed
Son, stator include stator core 6 and stator winding 5, and stator core 6 is circular cylinder, and stator winding 5 is embedded at stator core 6
Interior, stator core 6 is fixed on main shaft 1, and in the present embodiment, specifically, stator core 6 is fixed on main shaft by stator support
On 1；Rotor, set on the periphery of stator, including rotor core 2, combined type radial permanent magnet body 3 and axial pole be to 4, rotor core
2 are rotatably connected for circular cylinder and by bearing 8 with main shaft 1, and combined type radial permanent magnet body 3 corresponds to the outer of stator core 6
Circle upper surface is set on the inner circle upper surface of rotor core 2, and the present invention, which passes through, is arranged high performance combined type radial permanent magnet body 3,
Power factor is high, efficient operation range is big, and realizes that air gap permanent magnet magnetic flux is adjustable, and torque output capability is strong when low speed, when high speed
Weak magnetism speed expansion performance is good；The outer circle side that axial pole corresponds to stator core 6 to 4 is set on the inner circle side of rotor core 2；
Wherein, upper surface refers to that illustrated orientation in attached drawing 1, outer circle refer to the outer surface of cylinder, and opposite, inner circle refers to cylinder
Inner surface；Combined type radial permanent magnet body 3 and axial pole are equipped with gap with stator core 6 to 4；Lead-out wire 7, lead-out wire 7
It is connect with stator winding 5.Particularly, the present invention by setting radial-axial mixed magnetic circuit (i.e. combined type radial permanent magnet body 3 and
Axial pole realizes to the abundant of winding overhang the stator winding 5 4) and with above-mentioned radial-axial mixed magnetic circuit being correspondingly arranged
It utilizes, substantially increases torque density and power density；In addition, mixed magnetic circuit driving motor structure provided by the present application is simple,
It is practical using simplicity, it can be not only used for all kinds of electric vehicles, and be expected to be extended to the delivery vehicles such as engineering machinery, naval vessel
Electrification promotes, and has broad prospect of application.
Specifically, combined type radial permanent magnet body 3 includes multiple permanent magnet units circumferentially arranged, each permanent magnet unit
It include two adjacent and the first permanent magnet 3-1 and two second permanent magnets 3-2, two the second permanent magnet 3- circumferentially
The 2 radial both ends for arranging and being respectively arranged on two the first permanent magnet 3-1.In the present embodiment, combined type radial permanent magnet body 3 includes
8 built-in hybrid permanent magnet body units；Each permanent magnet unit by two adjacent radial magnetizings Nd-Fe-B permanent magnet 3-1
Collectively formed with the Al-Ni-Co permanent magnet 3-2 of two cutting orientation magnetizings, wherein arrangement be a cutting orientation magnetizing alnico forever
The Al-Ni-Co permanent magnet 3-2 of magnet 3-2, the Nd-Fe-B permanent magnet 3-1 of two adjacent radial magnetizings and a cutting orientation magnetizing.Tool
Body, the first permanent magnet 3-1 of radial magnetizing provides air gap main flux as main excitation；Second permanent magnet of cutting orientation magnetizing
The forward and reverse magnetization of d-axis armature magnetomotive force that 3-2 can be generated by the forward and reverse Id pulse applied in stator winding 5, plays adjusting magnetic
The effect of field.
Specifically, axial pole includes at least one set of magnetic pole sub-unit to 4, and every group of magnetic pole sub-unit includes first
Magnetic pole 4-1 and the second magnetic pole 4-2, and the first magnetic pole 4-1 and the second magnetic pole 4-2 is asymmetric magnetic system structure.Specifically, outer rotor
Axial pole eight groups of magnetic pole sub-units are provided with altogether in the present embodiment using two-way asymmetric tiltedly pole structure to 4,
And eight groups of magnetic pole sub-units along the circumferential direction arrange, the inclined direction phase of the first magnetic pole 4-1 and the second magnetic pole 4-2 internal magnetic pole
Instead.By using the first magnetic pole 4-1 and the second magnetic pole 4-2 of asymmetric magnetic system structure, cogging torque is substantially weakened, is facilitated
Improve the running stability of entire motor.
Specifically, stator core 6 is equipped with along the spaced apart inverted U groove of its circumferencial direction, and inverted U groove is for pacifying
Stator winding 5 is filled, and the size of groove and the size of stator winding 5 match.In the present embodiment, stator winding 5 includes axis
It is integrally formed to winding 5-1 and two radial direction winding 5-2, axial winding 5-1 and radial direction winding 5-2 and constitutes inverted U-shaped structure；It is fixed
The outer circumference surface of sub- iron core 6 is provided with axial notch 6-1, and the both ends of the surface outer ring of stator core 6 is provided with radial groove 6-2；Stator around
Group 5 is embedded in the groove of stator core 6, wherein axial direction winding 5-1, in axial notch 6-1, radial winding 5-2 is embedded in diameter
Into groove 6-2.
Further, which further includes the cooling device 16 for being arranged in stator core 6, for fixed
Sub- iron core 6 and stator winding carry out effectively cooling.
Specifically, stator core 6 is equipped with multiple axially extending bores 9 circumferentially, and cooling device 16 includes more water coolings
Copper pipe 10, water-cooled copper 10 are threaded through in axially extending bore 9；The both ends of cooling device 16 are respectively equipped with the first water jacket, the second water jacket
11, the both ends of more water-cooled coppers 10 are connected to first the second water jacket of water sleeve 11 respectively.Axially extending bore 9 and water-cooled copper as a result,
Pipe 10, first the second water jacket of water sleeve 11 constitute cooling circuit.
Further, mutually independent inner-layer channel 13 and outer layer channel 12, a part of water-cooled copper are equipped in the first water jacket
Pipe 10 is connected to inner-layer channel 13, and another part water-cooled copper 10 is connected to outer layer channel 12；First water jacket is equipped with and internal layer
The water outlet 15 that channel 13 is connected to and the water inlet 14 being connected to outer layer channel 12, constitute two-way hydrologic cycle cooling system.Wherein,
Second water jacket 11 is all connected to all water-cooled coppers 10.Using the embedded stator water-cooling structure of above-mentioned bilayer, heat dissipation effect
It is good, be conducive to the normal operation for safeguarding driving motor.
Further, main shaft 1 offers conducting wire blind hole, and lead-out wire 7 stretches to stator core 6 and cooling along conducting wire blind hole
It is connect between device 16 and with stator winding 5.It is simple for structure, and be conducive to improve security performance again.
In conclusion the present invention provides a kind of mixed magnetic circuit driving motors comprising: main shaft；Stator, stator include fixed
Sub- iron core and stator winding, stator core are circular cylinder, and stator winding is embedded in stator core, and master is fixed in stator core
On axis；Rotor is set on the periphery of stator, including rotor core, combined type radial permanent magnet body and axial pole pair, rotor core
It circular cylinder and is rotatably connected by bearing and main shaft, combined type radial permanent magnet body corresponds to the outer circle upper surface of stator core
On the inner circle upper surface of rotor core, axial pole is set in rotor core the outer circle side for corresponding to stator core
On circle side；Combined type radial permanent magnet body and axial pole pair and stator core are equipped with gap；Lead-out wire, lead-out wire and stator
Winding connection.The present invention is by being arranged high performance combined type radial permanent magnet body, and power factor is high, efficient operation range is big, and
Realize that air gap permanent magnet magnetic flux is adjustable, torque output capability is strong when low speed, and weak magnetism speed expansion performance is good when high speed；And pass through setting diameter
To-axial backmixing magnetic circuit and the stator winding being correspondingly arranged with mixed magnetic circuit, realization makes full use of winding overhang, and torque is close
Degree and power density are high；Meanwhile mixed magnetic circuit driving motor provided by the present application can be used for all kinds of electric vehicles, and be expected to promote
It is promoted in the electrification of the delivery vehicles such as engineering machinery, naval vessel, there is broad prospect of application.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (7)
1. a kind of mixed magnetic circuit driving motor, it is characterised in that: including
Main shaft；
Stator, the stator include stator core and stator winding, and the stator core is circular cylinder, and the stator winding is embedding
In the stator core, the stator core is fixed on the main shaft；
Rotor, set on the periphery of the stator, including rotor core, combined type radial permanent magnet body and axial pole pair, described turn
Sub- iron core is circular cylinder and is rotatably connected by bearing and the main shaft that the combined type radial permanent magnet body corresponds to described
The outer circle upper surface of stator core is set on the inner circle upper surface of the rotor core, and the axial pole is described fixed to corresponding to
The outer circle side of sub- iron core is set on the inner circle side of the rotor core；The combined type radial permanent magnet body and axial pole pair
Gap is equipped with the stator core；
Lead-out wire, the lead-out wire are connect with the stator winding；
It is arranged in the cooling device of the stator core, the stator core is equipped with multiple axially extending bores circumferentially, institute
Stating cooling device includes more water-cooled coppers, and the water-cooled copper is threaded through in the axially extending bore；
The combined type radial permanent magnet body includes multiple permanent magnet units circumferentially arranged, each permanent magnet unit includes two
A adjacent and the first permanent magnet and two the second permanent magnets circumferentially, described two second permanent magnets radially arrangement and point
Not She Yu described two first permanent magnets both ends.
2. mixed magnetic circuit driving motor according to claim 1, it is characterised in that: the axial pole is to including at least one
Group magnetic pole sub-unit, magnetic pole sub-unit described in every group includes the first magnetic pole and the second magnetic pole, and first magnetic pole and
Second magnetic pole is asymmetric magnetic system structure.
3. mixed magnetic circuit driving motor according to claim 1, it is characterised in that: the stator core is equipped with along its circle
The spaced apart inverted U groove of circumferential direction, the inverted U groove is for installing the stator winding, and the size of the groove
Match with the size of the stator winding.
4. mixed magnetic circuit driving motor according to claim 1, it is characterised in that: the both ends of the cooling device are set respectively
There are the first water jacket, the second water jacket, the both ends of the more water-cooled coppers are connected to second water jacket of the first water sleeve respectively.
5. mixed magnetic circuit driving motor according to claim 4, it is characterised in that: be equipped in first water jacket mutually solely
Vertical inner-layer channel and outer layer channel, a part of water-cooled copper are connected to the inner-layer channel, water cooling described in another part
Copper pipe is connected to the outer layer channel；First water jacket be equipped with the water outlet that be connected to the inner-layer channel and with it is described outside
The water inlet of layer channel connection.
6. mixed magnetic circuit driving motor according to claim 1, it is characterised in that: the main shaft offers conducting wire blind hole,
The lead-out wire stretches between the stator core and cooling device along the conducting wire blind hole and connects with the stator winding
It connects.
7. mixed magnetic circuit driving motor according to claim 1, it is characterised in that: the stator core passes through stator support
It is fixed on the main shaft.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110336407A (en) * | 2019-05-31 | 2019-10-15 | 贵州航天林泉电机有限公司 | A kind of triple-spool mixing magnetic flow permanent magnet synchronous hub motor drive assembly |
| CN111541324A (en) * | 2020-04-30 | 2020-08-14 | 南京理工大学 | Radial-axial bidirectional mixed magnetic circuit frameless permanent magnet synchronous motor |
| CN113937927A (en) * | 2021-10-15 | 2022-01-14 | 北京锐速嘉科技有限公司 | Motor stator and rotor structure and disc motor |
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| CN102510191A (en) * | 2011-11-17 | 2012-06-20 | 哈尔滨工业大学 | Brushless composite permanent magnet motor with transverse-axial and radial magnetic flux structure |
| CN104753291A (en) * | 2015-04-22 | 2015-07-01 | 哈尔滨工业大学 | Radio and axial hybrid magnetic circuit permanent-magnet synchronous-side rotor motor |
| CN104753292A (en) * | 2015-04-22 | 2015-07-01 | 哈尔滨工业大学 | Mixed-magnetic-circuit, permanent-magnet-synchronous and outer-rotor motor |
| CN104883018A (en) * | 2015-06-12 | 2015-09-02 | 华中科技大学 | Axial-radial hybrid flux permanent magnet machine |
| CN105914981A (en) * | 2016-04-25 | 2016-08-31 | 山东理工大学 | Electric vehicle hybrid excitation hub motor |
| CN205882877U (en) * | 2016-07-04 | 2017-01-11 | 湖南大学 | Mix magnetic circuit driving motor |
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