CN108233597A - The wheel driver that a kind of no frame permanent magnet synchronous motor directly drives - Google Patents
The wheel driver that a kind of no frame permanent magnet synchronous motor directly drives Download PDFInfo
- Publication number
- CN108233597A CN108233597A CN201810095024.8A CN201810095024A CN108233597A CN 108233597 A CN108233597 A CN 108233597A CN 201810095024 A CN201810095024 A CN 201810095024A CN 108233597 A CN108233597 A CN 108233597A
- Authority
- CN
- China
- Prior art keywords
- rotary shaft
- synchronous motor
- permanent magnet
- magnet synchronous
- frame permanent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Abstract
The present invention discloses the wheel driver that a kind of no frame permanent magnet synchronous motor directly drives, including rotary shaft, the rotary shaft is connected to by bearing on stent, one end of the rotary shaft is fixedly connected with wheel, the rotary shaft is directly driven by no frame permanent magnet synchronous motor, and the motor includes stator module and rotor assembly；The stator module provides magnetic field for the rotor assembly；The stator module includes stator core and the stator winding being wrapped on stator core, the circular cylindrical structure or ring discoid structure that the stator core is integrally formed；The stator module is fixedly mounted on the bracket；The rotor assembly is fixedly connected in the rotary shaft, and one end without frame permanent magnet synchronous motor in the rotary shaft is fixedly connected with fan.The configuration of the present invention is simple, easy to repair, the fan in rotary shaft substantially increases heat dissipation effect.
Description
Technical field
The invention belongs to the vehicles that wheel actuation techniques field more particularly to a kind of no frame permanent magnet synchronous motor are directly driven
Wheel drive unit, suitable for technical fields such as automobile, electric vehicles.
Background technology
For existing automobile using wheel hub motor technology, also known as wheel inner electric machine technology, its maximum feature is exactly will
Power, transmission and brake apparatus are all integrated into wheel hub, therefore the mechanical part of electric vehicle is greatly simplified.Relative to tradition
Vehicle traction mode for, the structure of wheel hub motor is more simple, compact, traditional efficiency higher, and can realize
The type of drive of Various Complex.
But wheel hub motor is mounted in inside wheel, inconvenience repair by motor；And existing wheel hub motor generally use
Natural air cooled structure disclosure satisfy that the operation under normal operating conditions, but when encountering special circumstances, as wheel hub motor loads
Increase, generate heat can also increase therewith, existing water cooling system is difficult to meet above-mentioned radiating requirements, may be led
Phenomena such as wheel hub motor is caused to burn；Improvement is made to more than technical problem therefore, it is necessary to those skilled in the art.
Invention content
In view of the above shortcomings of the prior art, it is directly driven the object of the present invention is to provide a kind of no frame permanent magnet synchronous motor
Wheel driver, the present invention detach motor with wheel, while are turned using no frame permanent magnet synchronous motor direct drive of wheel
It is dynamic, so i.e. convenient for the repair to motor, while it still can simplify the mechanical part of vehicle.
The present invention is achieved by the following technical programs.
The wheel driver that a kind of no frame permanent magnet synchronous motor directly drives, including rotary shaft, the rotary shaft passes through axis
It holds and is connected in rack, one end of the rotary shaft is fixedly connected with wheel, and the rotary shaft is by no frame permanent magnet synchronous motor
It directly drives, the no frame permanent magnet synchronous motor includes stator module and rotor assembly；The stator module is the rotor
Component provides magnetic field；The stator module includes stator core and the stator winding being wrapped on stator core, the stator iron
The circular cylindrical structure or ring discoid structure that core is integrally formed；The stator module is fixedly mounted in the rack；Institute
It states rotor assembly to be fixedly connected in the rotary shaft, one end without frame permanent magnet synchronous motor in the rotary shaft is fixedly connected
There is fan.The fan is mainly used for the heat dissipation to no frame permanent magnet synchronous motor.After powering on, the no frame permanent magnetism is same
It walks motor and drives the rotary shaft rotation, the fan in the rotary shaft can also rotate together, reduce the dynamic of fan
Power source increases the circulation of air, improves heat dissipation effect.Due to car in motion, wheel is constantly in the shape to run at high speed
State, it is therefore desirable to which the radiating mode of good heat dissipation effect, heretofore described fan can improve heat dissipation effect and simple in structure
It is easy for installation.
The stator core of the integrally formed circular cylindrical structure is the first stator core, described to be wrapped in the first stator
Stator winding on iron core is the first stator winding；The stator core of the integrally formed ring discoid is the second stator iron
Core, the stator winding being wrapped on the second stator core are the second stator winding.
After powering on, rotary shaft is directly driven by no frame permanent magnet synchronous motor and drives vehicle wheel rotation.
Specifically, the fan includes stent, fan leaf, the fan leaf is circumferentially distributed on stent, the stent with
The rotary shaft is fixedly connected by key.It is keyed simple and reliable, is convenient to mount and dismount and of low cost.
Preferably, the rotary shaft is equipped with the end cap with the fixed fan axial position, and the end cap passes through screw
It is fixed on the end face of the rotary shaft.
Preferably, the stator module further includes stator base, and the stator base is in circular ring structure, the stator core
It is arranged circumferentially in stator base, the stator base is fixedly mounted in the rack.
For installing the stator base of first stator core as arcuate stator pedestal；For installing second stator
The stator base of iron core is dish type stator base.
Preferably, the rotor assembly includes rotor pedestal and magnet steel substrate, and the rotor pedestal is fixedly mounted on described
In rotation, the magnet steel substrate is axially distributed on rotor pedestal.It is intended that the rotor pedestal can be magnet steel substrate
An installation form is provided, in assembling, the rotor pedestal can assemble completion in advance with magnet steel substrate, as an entirety
It is easy for installation into the installation procedure of next step, installation effectiveness is improved, is omitted prevented also from scattered component, bad management
Problem.
The magnet steel substrate provides rotating excitation field for the stator core；Rotating excitation field is provided for first stator core
Magnet steel substrate for arc magnet steel substrate, for installing the rotor pedestal of the arc magnet steel substrate as arc rotor pedestal；For
The magnet steel substrate that second stator core provides rotating excitation field is dish type magnet steel substrate, for installing the dish type magnet steel substrate
Rotor pedestal be disk type rotor pedestal.
Preferably, the no frame permanent magnet synchronous motor is equipped with protective cover, and the protective cover is mounted in the rack,
The protective cover is equipped with the grid of ventilation.It is same that the protective cover can effectively prevent external foreign matter to touch the no frame permanent magnetism
Motor and the fan are walked, reduces and is injured caused by extraneous factor is the no frame permanent magnet synchronous motor, extend motor
Service life；Grid on the protective cover is mainly used for divulging information, and grid also has flow-disturbing effect, and air enters institute by grid
Protective cover is stated around passing through fan, is then discharged from the grid, increases the circulation of air, so as to further improve heat dissipation effect
Fruit.
Preferably, the stator base is equipped with the multi-sheet structure for heat dissipation.The stator module needs electric power to generate
The magnetic field of rotation while rotating excitation field is tested and the rotation of the nut, can generate a large amount of heat, influence equipment just
Often operation, the multi-sheet structure can quickly take away heat, ensure the stable of equipment.Using the multi-sheet structure and institute
It states fan and heat dissipation work is carried out to the no frame permanent magnet synchronous motor jointly, greatly improve the effect of heat dissipation, effectively extend institute
State the service life of no frame permanent magnet synchronous motor.
Preferably, the rotary shaft is equipped with the limiting device for the rotor pedestal to be prevented to be axially moved.The vehicle
Wheel will appear play in the process of running, and increased limiting device can effectively prevent the rotor pedestal and be taken off from the rotary shaft
It falls, effectively prevents the generation of safety accident.
Preferably, the limiting device is nut.
First stator core, the first stator winding, arcuate stator pedestal, arc rotor pedestal, arc magnet steel substrate
It is combined as no frame permanent-magnet synchronous arc-shaped motor；Second stator core, the second stator winding, dish type stator base, dish type
Rotor pedestal, dish type magnet steel substrate in combination are no frame permanent-magnet synchronous disc-type machine.
Compared with prior art, the beneficial effects of the present invention are：1st, it is wheel and motor is separately installed, convenient for the later stage
Maintenance；2nd, the fan installed in rotary shaft improves the effect of heat dissipation, and simple in structure, and convenient disassembly does not need to
Additional power source, fan can also rotate together while no frame permanent magnet synchronous motor drives rotary shaft rotation, same to stepping
Row heat dissipation work；3rd, rotary shaft is directly driven using no frame permanent magnet synchronous motor and drives vehicle wheel rotation, enormously simplify machinery
Structure.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art do simple introduction, it should be apparent that, in being described below
Attached drawing is some embodiments of the invention, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is front view of the present invention.
End view drawings of the Fig. 2 for no frame permanent magnet synchronous motor.
Fig. 3 is the structure diagram of the first stator core.
Fig. 4 is the structure diagram of arc magnet steel substrate
Fig. 5 is the structure diagram of embodiment 2.
Fig. 6 is the structure diagram of the second stator core.
Fig. 7 is the structure diagram of dish type magnet steel substrate.
Fig. 8 is the structure diagram of embodiment 3.
Fig. 9 is the structure diagram of embodiment 4.
Figure 10 is A direction views in Fig. 9.
In figure：1st, rotary shaft；101st, end cap；2nd, bearing；3rd, rack；4th, wheel；5th, without frame permanent magnet synchronous motor；51、
Stator module；511st, the first stator core；512nd, the first stator winding；513rd, arcuate stator pedestal；514th, multi-sheet structure；515、
Second stator core；516th, the second stator winding；517th, dish type stator base；52nd, rotor assembly；521st, arc rotor pedestal；
522nd, arc magnet steel substrate；523rd, disk type rotor pedestal；524th, dish type magnet steel substrate；6th, fan；61st, stent；62nd, fan leaf；
7th, protective cover；71st, grid；8th, key；9th, limiting device；10th, without frame permanent-magnet synchronous arc-shaped motor；11st, without frame permanent-magnet synchronous
Disc-type machine.
Specific embodiment
Clear, complete description is carried out to the technical solution of various embodiments of the present invention below with reference to attached drawing, it is clear that retouched
The embodiment stated is only the part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, sheet
Field those of ordinary skill obtained all other embodiment under the premise of creative work is not made, belongs to this hair
Bright protected range.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figs 1-4, the wheel driver that a kind of no frame permanent magnet synchronous motor directly drives, it is described including rotary shaft 1
Rotary shaft 1 is connected to by bearing 2 in rack 3, and one end of the rotary shaft 1 is fixedly connected with wheel 4, the rotary shaft 1 by
No frame permanent magnet synchronous motor 5 directly drives, and the no frame permanent magnet synchronous motor 5 includes stator module 51 and rotor assembly
52；The stator module 51 provides magnetic field for the rotor assembly 52；The stator module 51 include the first stator core 511 and
The first stator winding 512 being wrapped on the first stator core 511, first stator core 511 are integrated machine-shaping
Circular cylindrical structure；The stator module 51 is fixedly mounted in the rack 3；The rotor assembly 52 is fixedly connected on described
In rotary shaft 1, one end without frame permanent magnet synchronous motor 5 is fixedly connected with fan 6 in the rotary shaft 1.
After powering on, the no frame permanent magnet synchronous motor 5 drives the rotary shaft 1 to rotate, mounted on the rotation
Fan 6 on axis 1 can also rotate together, reduce the power source of fan 6, increase the circulation of air, improve heat dissipation effect.By
In car in motion, wheel is constantly in the state to run at high speed, it is therefore desirable to the radiating mode of good heat dissipation effect, the present invention
Described in fan 6 can improve heat dissipation effect and simple in structure easy for installation.
The fan 6 includes stent 61, fan leaf 62, and the fan leaf 62 is circumferential to be distributed on stent 61, the stent
61 are fixedly connected with the rotary shaft 1 by key 8.It is keyed simple and reliable, is convenient to mount and dismount and of low cost.
The rotary shaft 1 is equipped with the end cap 101 with fixed 6 axial position of fan, and the end cap 101 passes through screw
It is fixed on the end face of the rotary shaft 1.
The stator module 51 further includes arcuate stator pedestal 513, and the arcuate stator pedestal 513 is in circular ring structure, institute
It states the first stator core 511 to be arranged circumferentially on arcuate stator pedestal 513, the arcuate stator pedestal 513 is fixedly mounted
In the rack 3.
The rotor assembly 52 includes arc rotor pedestal 521 and arc magnet steel substrate 522, the arc rotor pedestal
521 are fixedly connected in the rotary shaft 1, and the arc magnet steel substrate 522 is circumferential to be distributed on arc rotor pedestal 521.Institute
It can be that arc magnet steel substrate 522 provides an installation form to state arc rotor pedestal 521, in assembling, the arc rotor
Pedestal 521 can assemble completion in advance with arc magnet steel substrate 522, and the installation procedure of next step is entered as an entirety, pacify
The problem of dress is convenient, improves installation effectiveness, is omitted prevented also from scattered component, bad management.
It is connected between 4 inner wall of the arc rotor pedestal 521 and wheel by key 8.The wheel 4 in rotation process,
It needs to undertake very huge driving torque, on the one hand can enhance the torque-transfer capability of the rotary shaft by the connection of key 8,
Ensure the reliability that torque transmits, on the other hand can facilitate the location and installation of the arc rotor pedestal 521, and keyway is processed
Convenient, transmission torque is reliable and stable, and the relevant technologies and specification are ripe.
The arcuate stator pedestal 513 is equipped with the multi-sheet structure 514 for heat dissipation.The stator module 51 is to need electricity
Power generates the magnetic field of rotation, while rotating excitation field is tested and the rotation of the rotary shaft 1, can supervene a large amount of heat
Amount influences the normal operation of equipment, and the multi-sheet structure 514 can quickly take away heat, ensure the stable of equipment.It adopts
Heat dissipation work is carried out to the no frame permanent magnet synchronous motor 5 jointly with the multi-sheet structure 514 and the fan 6, is carried significantly
The effect of height heat dissipation effectively extends the service life of the no frame permanent magnet synchronous motor 5.
It can be connected between the arc rotor pedestal 521 and the rotary shaft 1 by key 8.The wheel 4 is in rotation process
In, need to undertake very huge driving torque, the torque that on the one hand can enhance the wheel 4 by the connection of key 8 transmits energy
Power ensures the reliability that torque transmits, and on the other hand can facilitate the location and installation of the arc rotor pedestal 521, and keyway
Easy to process, transmission torque is reliable and stable, and the relevant technologies and specification are ripe.
The rotary shaft 1 is equipped with the limiting device 9 for arc rotor pedestal 521 to be prevented to be axially moved.The wheel 4
It will appear play in the process of running, increased limiting device 9 can effectively prevent the arc rotor pedestal 521 from the rotation
It comes off on axis 1, effectively prevents the generation of safety accident.
The limiting device 9 is nut.
First stator core 511, the first stator winding 512, arcuate stator pedestal 513, arc rotor pedestal 521,
Arc magnet steel substrate 522 is combined as no frame permanent-magnet synchronous arc-shaped motor 10.
After powering on, the arc magnet steel substrate 522 is that first stator core 511 provides a radial rotary
Magnetic field promotes the stator module 51 and rotor assembly 52 to provide the power rotated around 1 axial line of rotary shaft for the wheel 4
Square, direct drive of wheel 4 rotate.
Embodiment 2
As illustrated in figs. 5-7, the wheel driver that a kind of no frame permanent magnet synchronous motor directly drives, the present embodiment and embodiment
1 structure is similar with principle, and difference lies in the stator module 51 includes the second stator core to the present embodiment with embodiment 1
515 and the second stator winding 516 for being wrapped on the second stator core 515, second stator core 515, which is integrated, to be processed into
The ring discoid structure of type；The stator module 51 is fixedly mounted in the rack 3；The rotor assembly 52 is fixedly connected on
In the rotary shaft 1.
The stator module 51 further includes dish type stator base 517, and the dish type stator base 517 is in circular ring structure, institute
It states the second stator core 515 to be arranged circumferentially in dish type stator base 517, the dish type stator base 517 is fixedly mounted
In the rack 3.
The rotor assembly 52 includes disk type rotor pedestal 523 and dish type magnet steel substrate 524, the disk type rotor pedestal
523 are fixedly mounted in the rotary shaft 1, and the dish type magnet steel substrate 524 is to being distributed on disk type rotor pedestal 523.
It can be connected between the disk type rotor pedestal 523 and the rotary shaft 1 by key 8.The wheel 4 is in rotation process
In, need to undertake very huge driving torque, the torque that on the one hand can enhance the wheel 4 by the connection of key 8 transmits energy
Power ensures the reliability that torque transmits, and on the other hand can facilitate the location and installation of the disk type rotor pedestal 523, and keyway
Easy to process, transmission torque is reliable and stable, and the relevant technologies and specification are ripe.
The dish type stator base 517 is equipped with the multi-sheet structure 514 for heat dissipation.The stator module 51 needs electric power
The magnetic field of rotation is generated, while rotating excitation field is tested and the rotation of the rotary shaft 1, a large amount of heat can be supervened,
The normal operation of equipment is influenced, the multi-sheet structure 514 can quickly take away heat, ensure the stable of equipment.Using
The multi-sheet structure 514 and the fan 6 carry out heat dissipation work to the no frame permanent magnet synchronous motor 5 jointly, greatly improve
The effect of heat dissipation effectively extends the service life of the no frame permanent magnet synchronous motor 5.
The rotary shaft 1 is equipped with the limiting device 9 for disk type rotor pedestal 523 to be prevented to be axially moved.The wheel 4
It will appear play in the process of running, increased limiting device 9 can effectively prevent the disk type rotor pedestal 523 from the rotation
It comes off on axis 1, effectively prevents the generation of safety accident.
The limiting device 9 is nut.
Second stator core 515, the second stator winding 516, dish type stator base 517, disk type rotor pedestal 523,
Arc magnet steel substrate 524 is combined as no frame permanent-magnet synchronous disc-type machine 11.
After powering on, the dish type magnet steel substrate 524 is that second stator core 515 provides an axial-rotation
Magnetic field promotes the stator module 51 and rotor assembly 52 to provide the power rotated around 1 axial line of rotary shaft for the wheel 4
Square, direct drive of wheel 4 rotate.
Embodiment 3
As shown in figure 8, the wheel driver that a kind of no frame permanent magnet synchronous motor directly drives, the present embodiment and embodiment 1
Or the structure of embodiment 2 is similar with principle, difference lies in the no frame permanent magnetism for the present embodiment and embodiment 1 or embodiment 2
Combination of the synchronous motor for no frame permanent-magnet synchronous arc-shaped motor 10 and without frame permanent-magnet synchronous disc-type machine 11, the arc are determined
Sub-base 513 is fixedly connected with dish type stator base 517.
After powering on, first stator core 511 is that the arc magnet steel substrate 522 provides a radial rotary
Magnetic field, second stator core 515 provide the magnetic field of an axial-rotation for the dish type magnet steel substrate 524, and no frame is forever
Magnetic-synchro arc-shaped motor 10 and without the common rotary shaft 1 of frame permanent-magnet synchronous disc-type machine 11 with 4 vehicle wheel rotation of motor car wheel.
Embodiment 4
As shown in figs. 9-10, the wheel driver that a kind of no frame permanent magnet synchronous motor directly drives, the present embodiment is with implementing
Example 1 or the structure of embodiment 2 or embodiment 3 are similar with principle, the present embodiment and embodiment 1 or the area of embodiment 2 or embodiment 3
It is not, the no frame permanent magnet synchronous motor is equipped with protective cover 7, and the protective cover 7 is mounted in the rack, described anti-
Shield 7 is equipped with the grid 71 of ventilation.The protective cover 7 can effectively prevent external foreign matter to touch the no frame permanent-magnet synchronous
Motor and the fan 6 reduce and are injured caused by extraneous factor is to the no frame permanent magnet synchronous motor 5, increase motor
Service life；Grid 71 on the protective cover 7 is mainly used for divulging information, and grid 71 also has flow-disturbing effect, and air passes through grid
71 enter in the protective cover 7 around passing through fan 6, are then discharged from the grid 71, increase the circulation of air, so as to more into one
Step improves heat dissipation effect.
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
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
Either which part or all technical features are equal with modifying to the technical solution recorded in previous embodiment
It replaces；And these modifications or replacement, technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. the wheel driver that a kind of no frame permanent magnet synchronous motor directly drives, including rotary shaft, the rotary shaft passes through bearing
It is connected in rack, one end of the rotary shaft is fixedly connected with wheel, which is characterized in that the rotary shaft is by no frame permanent magnetism
Synchronous motor directly drives, and the no frame permanent magnet synchronous motor includes stator module and rotor assembly；The stator module is
The rotor assembly provides magnetic field；The stator module includes stator core and the stator winding being wrapped on stator core, institute
State circular cylindrical structure or the ring discoid structure that stator core is integrally formed；The stator module is fixedly mounted on the machine
On frame；The rotor assembly is fixedly connected in the rotary shaft, one end without frame permanent magnet synchronous motor in the rotary shaft
It is fixedly connected with fan.
A kind of 2. wheel driver that no frame permanent magnet synchronous motor directly drives according to claim 1, which is characterized in that institute
It states fan and includes stent, fan leaf, the fan leaf is circumferentially distributed on stent, and the stent is consolidated with the rotary shaft by key
Fixed connection.
A kind of 3. wheel driver that no frame permanent magnet synchronous motor directly drives according to claim 2, which is characterized in that institute
It states rotary shaft and is equipped with the end cap for using the fixed fan axial position, the end cap is fixed by screws in the rotary shaft
On end face.
A kind of 4. wheel driver that no frame permanent magnet synchronous motor directly drives according to claim 1, which is characterized in that institute
It states stator module and further includes stator base, the stator base is in circular ring structure, and the stator core is arranged circumferentially fixed
In sub-base, the stator base is fixedly mounted in the rack.
A kind of 5. wheel driver that no frame permanent magnet synchronous motor directly drives according to claim 1, which is characterized in that institute
It states rotor assembly and includes rotor pedestal and magnet steel substrate, the rotor pedestal is fixedly mounted in the rotary shaft, the magnet steel
Substrate is circumferentially distributed on rotor pedestal.
A kind of 6. wheel driver that no frame permanent magnet synchronous motor directly drives according to claim 1, which is characterized in that institute
No frame permanent magnet synchronous motor is stated equipped with protective cover, the protective cover is mounted in the rack, and the protective cover is equipped with
The grid of ventilation.
A kind of 7. wheel driver that no frame permanent magnet synchronous motor directly drives according to claim 4, which is characterized in that institute
It states stator base and is equipped with the multi-sheet structure for being used for heat dissipation.
A kind of 8. wheel driver that no frame permanent magnet synchronous motor directly drives according to claim 5, which is characterized in that institute
Rotary shaft is stated equipped with the limiting device for the rotor pedestal to be prevented to be axially moved.
A kind of 9. wheel driver that no frame permanent magnet synchronous motor directly drives according to claim 8, which is characterized in that institute
Limiting device is stated as nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095024.8A CN108233597A (en) | 2018-01-31 | 2018-01-31 | The wheel driver that a kind of no frame permanent magnet synchronous motor directly drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095024.8A CN108233597A (en) | 2018-01-31 | 2018-01-31 | The wheel driver that a kind of no frame permanent magnet synchronous motor directly drives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108233597A true CN108233597A (en) | 2018-06-29 |
Family
ID=62670225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810095024.8A Pending CN108233597A (en) | 2018-01-31 | 2018-01-31 | The wheel driver that a kind of no frame permanent magnet synchronous motor directly drives |
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| CN (1) | CN108233597A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639042A (en) * | 2018-10-30 | 2019-04-16 | 湖北环电磁装备工程技术有限公司 | A kind of pumping unit of well that no frame permanent magnet synchronous motor directly drives |
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| CN201663523U (en) * | 2010-04-13 | 2010-12-01 | 胡润行 | Brushless permanent-magnetic direct-current motor for electric automobiles |
| CN203784421U (en) * | 2014-04-02 | 2014-08-20 | 西安交通大学 | Flow valve direct-driven by taper permanent magnet synchronous motor |
| CN203872022U (en) * | 2014-04-09 | 2014-10-08 | 宁波莱姆格迪童车科技有限公司 | Motor used for a vehicle for children |
| CN106026592A (en) * | 2016-07-05 | 2016-10-12 | 肖红 | Frameless combined type permanent magnet synchronous motor |
| CN206237248U (en) * | 2016-11-16 | 2017-06-09 | 名泰机械制造有限公司 | A kind of permanent magnet synchronous type electric vehicle hub |
| CN206742983U (en) * | 2017-01-10 | 2017-12-12 | 广州红森伺服电机有限公司 | A kind of permanent magnet synchronous servo motor |
| CN207819655U (en) * | 2018-01-31 | 2018-09-04 | 湖北环一电磁装备工程技术有限公司 | A kind of wheel driver that no frame permanent magnet synchronous motor directly drives |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639042A (en) * | 2018-10-30 | 2019-04-16 | 湖北环电磁装备工程技术有限公司 | A kind of pumping unit of well that no frame permanent magnet synchronous motor directly drives |
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