CN106100173A - A kind of wheel hub electric motor of electric vehicle - Google Patents
A kind of wheel hub electric motor of electric vehicle Download PDFInfo
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- CN106100173A CN106100173A CN201610667745.2A CN201610667745A CN106100173A CN 106100173 A CN106100173 A CN 106100173A CN 201610667745 A CN201610667745 A CN 201610667745A CN 106100173 A CN106100173 A CN 106100173A
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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
- H02K1/22—Rotating 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
-
- 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
- H02K1/14—Stator cores with salient poles
-
- 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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
-
- 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a kind of wheel hub electric motor of electric vehicle, including stator, rotor and connecting shaft, stator is circumferentially positioned with connecting shaft, rotor is set in outside stator, wheel hub motor is 10 cun of motors, and rotor magnetic guiding loop internal diameter is 212.1mm ~ 212.9mm, and stator outer diameter is 205.1mm ~ 208mm.The wheel hub electric motor of electric vehicle of the present invention is on the premise of ensureing the wheel rim valve port punching property grasped and not affecting wheel rim use function, by strengthening wheel rim welding inner ring, add greater trochanter magnetic guiding loop internal diameter and stator outer diameter simultaneously, optimize stator inner support structure, both the motor arm of force had been increased, add again effective air gap magnetic flux, obtain bigger electromagnetic force, not only increase output torque performance and the work efficiency of motor, also improve power density and the stock utilization of motor, and space in bigger motor, it is beneficial to motor radiating, reduce motor temperature rise, slow down the high temperature ageing speed of motor, motor load ability is strong, security reliability is high, and more energy-conserving and environment-protective.
Description
Technical field
The invention belongs to vehicle technology field, relate to a kind of wheel hub electric motor of electric vehicle.
Background technology
Electric motor car with its environmental protection, energy-conservation, easy to use, use cost is low, is applicable to the advantages such as various environment extensively applies
In daily life traffic trip aspect, the most popular with consumers.The core component of electric motor car is wheel hub motor, the property of wheel hub motor
Safety when electric motor car is normally ridden, reliability, lifting capacity, climbing characteristic and course continuation mileage can be determined, additionally take turns
The daily freedom from repairs characteristic Ye Shi consumer of hub motor compares to be valued, and while therefore improving motor performance, also should focus on fall
The fault rate of low motor and extend its service life.
Existing wheel hub motor includes the parts such as rotor, stator and stator connecting shaft, such as, Chinese patent [application number
201120375525.5；Authorization Notice No. CN202260955U] disclosed in a kind of wheel hub motor, this wheel hub motor includes motor
Axle and stator, the outer sheathed rotor case of stator, its forward and backward two ends are respectively by rotor endcap with bearing is rotatable is fixed on motor
On axle, the outside of rotor endcap is connected with rousing assembly of stopping, and rotor case is connected with wheel hub, and the correspondence position of wheel hub motor is provided with position
Put detection device.
The most such as, Chinese patent [patent No. ZL 201120375525.5；Authorization Notice No. CN201113723Y] in public
A kind of wheel hub electric motor of electric vehicle opened, this wheel hub motor includes rotor, motor stator, axle and bearing, and motor is wheel hub
Type outer rotor and three-phase winding structure, in the middle of this device successively order be the winding on motor stator, stator line embedding groove, magnet steel and
Wheel hub, a diameter of 205 millimeters of motor wheel hub, magnet steel is set to 44, and electromagnetic structure is rotor 22 number of pole-pairs and stator 48 groove three
Mutually quadrupole coiling coordinates, and magnet steel is circumferentially distributed along wheel hub inner ring.
Along with the development of electric motor car, electric motor car is more and more universal as green traffic instrument, flat by original city etc.
Smooth road conditions area gradually to rural area, Deng Duo mountain, mountain area, the area popularization of the complex road condition such as many slopes, be especially applicable to rural area some
Agricultural loading traffic aspect, there is problems with in some conventional electric car for city in the past: 1, motor power is not enough, climbing
Unable, cannot heavy duty；2, motor temperature rise, easily heating burns out line bag, and internal electronic element high temperature failure, permanent magnet high temperature move back
Magnetic；3, during heavy duty, structural strength is not enough；4, high, the motor length in service life of fault rate etc..The high fault rate of electric motor car, low heavy burden
The problems such as ability, seriously hinder electric motor car in rural area, the using and universal of mountain area.For electrical vehicular power deficiency problem, can
To select the wheel hub of bigger specification, such as original 10 cun selected, it is adjusted to the wheel hub motor of 12 cun or 16 cun equidimensions, but
Since Ru Ci, add motor cost, and the vehicle that large scale motor is suitable for also can change accordingly, it is impossible to use at small and exquisite car
In type.Therefore, wanting to maintain the vivosphere of small and exquisite vehicle, particularly universal 10 cun of the widest electric motor cars, its tire size is
10 cun, the spare and accessory parts highly versatile such as tire, production technology are ripe, it is necessary to assure do not change or change motor spare and accessory parts less
On the basis of dimensions, design motor, neither change vehicle, it is simple to ordinary maintenance is maintained, control cost that also can be suitable.
Summary of the invention
It is an object of the invention to provide a kind of wheel hub electric motor of electric vehicle, ask for existing the above-mentioned of 10 cun of wheel hub motors
Topic, it is proposed that a kind of brand-new electric motor car framework scheme, on the basis of ensureing the punching of motor wheel rim valve inside, reduces in wheel rim
Heart depth of groove, adjusts the gradient of central recess two side, expands wheel rim welding inner ring, in existing motor wheel hub size not
In the case of change, expand rotor magnetic guiding loop internal diameter, increase the effectively interior space of motor, select suitable pole groove proportioning, rationally simultaneously
Design electric machine rotor structure, optimizes stator grooved, had both improved motor performance, and improve again the power density of motor, reduces
Motor temperature rise, extends motor service life.
The purpose of the present invention and function, can be realized by following technical proposal: a kind of wheel hub electric motor of electric vehicle, described takes turns
Hub motor includes stator, rotor and connecting shaft, and described stator is circumferentially positioned with connecting shaft, and described rotor is set in outside stator,
It is characterized in that, described wheel hub motor is 10 cun of motors, and the magnetic guiding loop internal diameter of described rotor is 212.1mm ~ 212.9mm, described
Stator outer diameter is 205.1mm ~ 208mm.
This wheel hub electric motor of electric vehicle is that 10 cun of wheel hub motors are optimized design, by adjusting motor wheel rim moulding process
And compact dimensions, on the premise of ensureing the wheel rim valve port punching property grasped and not affecting wheel rim use function, by adding bull wheel
Rim welding inner ring concedes space in wheel rim, simultaneously in the space expanded, optimizes electric machine rotor structure, size, lifting motor
Serviceability: according to the saturated principle of magnetic circuit, magnetic guiding loop thickness reasonable in design, increase rotor magnetic guiding loop interior diameter；Optimize motor
Stator support structure, it is ensured that the dimensional accuracy of motor stator and structural stability, reduces rotor air gap, strengthens stator outer diameter,
Both having increased motor magnetic head arm, and added again effective air gap magnetic flux, and obtained bigger electromagnetic force, the comprehensive output improving motor turns
Square performance and work efficiency；By optimizing magnetic circuit, tooth slot structure reasonable in design, strengthens the effective groove area of stator, beneficially in groove
Place more enamel-covered wire, improve the single-phase cross-sectional area of conductor of stator winding and amass and groove utilization rate, improve what motor can bear
Maximum current, improves the anti-overload ability of motor, increases power of motor, rational teeth groove ratio, effectively reduces stator
Characteristics Size, thus improve power density and the stock utilization of motor；Space in bigger motor, beneficially motor radiating, fall
Low motor temperature rise, slows down the high temperature ageing speed of motor, the security reliability of lifting motor, extends electrical machinery life.This is electronic
Vehicle motor is applicable to the roads such as the poor rural area of road conditions complexity, heavy duty, environment, mountain area, and motor load ability is strong, safety can
High by property, the efficiency of motor and more common 10 cun of wheel hub motors in service life are significantly improved, and more energy-conserving and environment-protective.
As preferably, in above-mentioned wheel hub electric motor of electric vehicle, described rotor magnetic guiding loop (7) internal diameter is 212.5mm, described
Stator (1) external diameter is 206.9mm, and the motor performance using this parameter to produce is best.
In above-mentioned wheel hub electric motor of electric vehicle, described stator includes iron core and support, and described iron core is wound with coil, institute
Stating support uses two different discoid gripper shoes by from the pore structure location make-up attaching of riveting location, said two gripper shoe
For tight fit, fixed to rivet clasp by rivet interlacement or local, said two gripper shoe center is circular hole turnup limit, and above-mentioned two is propped up
Fagging center hole turnup limit is welded in same axle sleeve, and said two gripper shoe is positioned at axle sleeve two ends near-end with welding of axle sleeve
Place.Such structure makes the enabling capabilities of support higher, it is ensured that the dimensional accuracy of stator and structural stability, enhances electricity
Machine structure anti-impact force performance, motor entirety weight capacity is higher, can effectively ensure that motor is for a long time on various complicated roads simultaneously
Under condition, possessing efficient big torque output, the security reliability of motor is protected, and the life-span is longer.
In above-mentioned wheel hub electric motor of electric vehicle, the facewidth of described iron core is 5.5mm ~ 7.5mm.
As preferably, in above-mentioned wheel hub electric motor of electric vehicle, the facewidth of described iron core is 6.7mm.
In above-mentioned wheel hub electric motor of electric vehicle, the yoke portion thickness of described iron core is 4.5mm ~ 6.0mm.
As preferably, in above-mentioned wheel hub electric motor of electric vehicle, the yoke portion thickness of described iron core is 5mm.
In above-mentioned wheel hub electric motor of electric vehicle, the internal diameter 157mm ~ 165mm of described iron core.
As preferably, in above-mentioned wheel hub electric motor of electric vehicle, the internal diameter of described iron core is 161.5mm.
In above-mentioned wheel hub electric motor of electric vehicle, described iron core is 45 grooves, 48 grooves, 51 grooves or 54 grooves.
By strengthening stator internal-and external diameter, enlarged slot area, reduce stator characteristics Size, reduce iron loss, increase power density,
Improve groove utilization rate, increase phase conductor sectional area, reduce copper loss, increase current of electric anti-overload ability, inside expanded motor
Cavity, increases heat dispersion, reduces motor temperature rise, slows down component ageing, extends the life-span.
In above-mentioned wheel hub electric motor of electric vehicle, described stator includes iron core and support, and described iron core is wound with coil, institute
Stating support uses two different discoid gripper shoes to be formed by the pore structure location make-up attaching from riveting location.It is fixed to use from riveting
Position hole, beneficially being accurately positioned during press mounting stator and rotor, reduce stator deformability dislocation, simultaneously from hole, riveting location to riveting, strengthens
The press-fit tightness of frame, prevents axial deformation vibration between iron core and support, optimizes stator press-loading technique, improves stator good
Product rate.
In above-mentioned wheel hub electric motor of electric vehicle, the height of described magnetic guiding loop is 35mm ~ 60mm, it is adaptable to different voltages,
Different rotating speeds, power, the motor of torque demand.
According to wheel rim drilling technology, adjust the depth of groove of wheel rim, both ensure that the installation requirement of 10 cun of accessories, have so that
The interior space of motor is strengthened, and can effectively improve power of motor density, it is possible to design more high pulling torque, more powerful electricity
Machine.
Compared with prior art, the rotor advantage of this wheel hub electric motor of electric vehicle is:
1, this wheel hub electric motor of electric vehicle is on the premise of ensureing the wheel rim valve port punching property grasped and not affecting wheel rim use function,
By strengthening wheel rim welding inner ring, add greater trochanter magnetic guiding loop internal diameter and stator outer diameter simultaneously, both increased the motor arm of force, and increased again
Effective air gap magnetic flux, obtains bigger electromagnetic force, improves output torque performance and the work efficiency of motor.
2, space in this wheel hub electric motor of electric vehicle has bigger motor, beneficially motor radiating, reduce motor temperature rise, subtract
The high temperature ageing speed of slow motor, the security reliability of lifting motor, extend electrical machinery life.
3, this wheel hub electric motor of electric vehicle is optimized design to the tooth slot structure of stator support structure and rotor,
Improve structural strength and the weight capacity of stator, optimize stator press-loading technique, improve stator precision so that motor
Efficiency gets a promotion, and ensure that certain quality stability.
4, this wheel hub electric motor of electric vehicle also optimizes motor tooth slot structure, grooved reasonable in design, oversized slots sectional area, increases
Big single-phase cross-sectional area of conductor amasss, and improves the anti-overload ability of electric current, the most reasonably profile of tooth, improves the utilization rate of groove, reduces copper
Damage.
5, this wheel hub electric motor of electric vehicle is applicable to the roads such as the poor rural area of road conditions complexity, heavy duty, environment, mountain area, electricity
Machine load capacity is strong, security reliability is high, and electric efficiency and more common 10 cun of wheel hub motors in service life are significantly improved, and
And more energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structural representation of this wheel hub electric motor of electric vehicle.
Fig. 2 is the stator structure schematic diagram of this wheel hub electric motor of electric vehicle.
Fig. 3 is the stator sectional structure schematic diagram of this wheel hub electric motor of electric vehicle.
Fig. 4 is the wheel hub structure schematic diagram of this wheel hub electric motor of electric vehicle.
Fig. 5 is the partial enlarged drawing in Fig. 3 at A.
Fig. 6 is the Performance comparision curve table of wheel hub electric motor of electric vehicle and existing wheel hub motor.
In figure, 1, stator；2, rotor；3, connecting shaft；4, support；5, iron core；6, wheel rim；7, magnetic guiding loop；8, permanent magnet；9、
Attachment screw；10, rivet；21, wheel hub；211, screwed hole；212 valve inside installing holes；41, gripper shoe；42 gripper shoes；43, axle
Set；44, internal cavity；45, hole is positioned from riveting；46, lightening hole；47, reinforcement；48, binding strap fixing hole；49, press mounting hole；50、
Hole, coiling location；411, circular hole turnup limit；412, anti-convulsion inner concave；413, anti-convulsion.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one:
This wheel hub electric motor of electric vehicle designs for 10 cun of wheel hub motors, and this wheel hub electric motor of electric vehicle includes stator 1, rotor 2 and connects
Spindle 3.
Specifically, as it is shown in figure 1, stator 1 is circumferentially positioned with connecting shaft 3, rotor 2 is set in outside stator 1.Stator 1
Including support 4 and iron core 5, iron core 5 is wound with coil.Rotor 2 includes wheel rim 6, magnetic guiding loop 7 and permanent magnet 8, outside magnetic guiding loop 7
Surface and wheel rim 6 inner ring are by being welded to connect, if magnetic guiding loop 7 inner surface has dry tablet permanent magnet 8 uniformly to mount, and the two of magnetic guiding loop 7
Individual end face has several fixing screwed holes 211, and magnetic guiding loop 7 both ends of the surface are coordinated with screwed hole 211 be fixed to by end cap by screw 9
Wheel hub motor both sides.In the present embodiment, stator 1 external diameter is 206.9mm, and the internal diameter of rotor 2 is 212.5mm,；The internal diameter of iron core 5
For 161.5mm, iron core is 48 grooves, and the facewidth of iron core 5 is 6.7mm, and the yoke portion thickness of iron core 5 is 5mm；Permanent magnet 8 quantity is 52
Sheet, monolithic permanent magnet width is 12.6mm, thickness 2.3mm.
The degree of depth of kerve in reduction wheel rim, by the angle of inclination of kerve two sides in adjustment wheel rim 6, reduces the gas of wheel rim
The punching space of door core installing hole, thus realize wheel rim 6 and weld the increasing of inner ring, reduce the usage amount of wheel rim moulding material, both
Meet the versatility matching requirements of the spare and accessory parts such as 10 cun of motor tires, expand again the interior space of motor, it is possible to design bigger
The stator and rotor sructure of size.Coordinate wheel rim 6 to weld the increasing of inner ring, increase the internal-and external diameter of magnetic guiding loop 7, optimize stator support 4
Structure, it is ensured that stator dimensions precision, thus reduce the air gap between motor stator 1 and rotor 2, strengthen the external diameter surface of stator
Long-pending, on the one hand increase the magnetic field arm of force of motor, on the other hand increase motor effective air gap magnetic flux of knowing clearly, increase magnetic field force,
Comprehensively improve output torque characteristics and the work efficiency of motor.It addition, the motor stator external diameter strengthened, it is simple to designing high-power
The stator tooth slot structure of density, increases the effective groove area of stator, improves groove utilization rate, reduces copper loss and iron loss, increases phase line and leads
Body section amasss, and the maximum improving motor bears electric current and power.And space is more beneficial for motor enamel-covered wire in bigger motor
Heat radiation, reduce motor temperature rise, slow down the high temperature ageing speed of interior accessory, increase the service life.As it is shown in figure 5, to this wheel hub
Motor and existing wheel hub motor, do contrast test, by electricity under conditions of rated voltage 60V, rated power 800W respectively
Parameter comparison analysis to electric current, output, efficiency and the torque of motor draws, the performance of this wheel hub motor is taken turns than existing
Hub motor is more prominent.This wheel hub electric motor of electric vehicle is applicable to the roads such as the poor rural area of road conditions complexity, heavy duty, environment, mountain area,
Motor load ability is strong, security reliability is high.
In actual mass manufacturing process, the external diameter of stator 1 can be 205.1mm ~ 208mm, the magnetic guiding loop of rotor 1
The internal diameter of 7 can be 212.1mm ~ 212.9mm；The facewidth of stator core 5 can be 5.5mm ~ 7.5mm；The yoke portion thickness of iron core 5
Can be 4.5mm ~ 6.0mm；The internal diameter of iron core 5 can be 157mm ~ 165mm；Iron core 5 can also be 45 grooves, 51 grooves or 54 grooves；
Height 35mm ~ the 60mm of magnetic guiding loop 7.
As shown in Figures 2 and 3, the support 4 of stator 1 uses two the first different gripper shoes 41 and the second gripper shoe 42 to lead to
Crossing and position hole 45 make-up attaching from riveting, the first gripper shoe 41 and the second gripper shoe 42 position hole 45 admittedly by rivet 10 with from riveting
Fixed, each gripper shoe center is circular hole turnup limit 411, and circular hole turnup limit 411 inner face is welded with axle sleeve 43.Preferably,
First gripper shoe 41 and the second gripper shoe 42 are in the form of annular discs, and side radially has several concavo-convex irregular reinforcements 47, on
State reinforcement 47 the most radially radial distribution, extend to turnup limit 411, gripper shoe center in irregular concavo-convex change attached
Closely, above-mentioned reinforcement 47 make-up forms the internal cavity 44 of irregular polygon, and above-mentioned polygon internal cavity 44 is in middle broad edge
Narrow rule distribution, the rivet 10 in above-mentioned two gripper shoe is positioned at chassis plane rest position, above-mentioned first gripper shoe 41
Positioning hole 50 with having several coilings in the second gripper shoe 42, the first gripper shoe 41 and the second gripper shoe 42 are by positioning from riveting
The riveting of location, hole 45, positioning precision is high, improves integrated support intensity and the non-deformability of support 4, reduces support and shears position
Move and cause the disqualification rate of stator, thus affect the overall mass of motor.Support is provided with lightening hole 46, reduces materials'use
Amount, alleviates stator weight, reduces energy consumption.Owing to support 4 have employed concavo-convex irregular polygon reinforcement 47 structure, reducing should
Power centrostigma, shares stress impact, it is possible to bears the various of generation in motor driving process and irregularly rushes attack, improves electricity
The stability of machine and safety, heavy burden ability simultaneously is higher.And irregular concave-convex polygonal inner-cavity structure, add dissipating of support
Hotlist area, more conducively stator heat radiation, reduces motor temperature rise.
Embodiment two:
Technical scheme in the present embodiment is essentially identical with the technical scheme in embodiment 1, and difference is, the present embodiment
In, stator 1 external diameter is 206.8mm, and the groove number of stator core 5 is 54 grooves, and iron core 5 facewidth is 5.3mm；Permanent magnet 8 is 60, single
Sheet width 13.65mm, thickness 2.3mm.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing stator 1, rotor 2, connecting shaft 3, support 4, iron core 5, wheel rim 6, magnetic guiding loop 7, forever
Magnet 8, attachment screw 9, rivet 10, wheel hub 21, screwed hole 211, valve inside installing hole 212, gripper shoe 41, gripper shoe 42, axle
Set 43, internal cavity 44, from riveting location hole 45, lightening hole 46, reinforcement 47, binding strap fixing hole 48, press mounting hole 49, coiling location
The terms such as hole 50, circular hole turnup limit 411, anti-convulsion inner concave 412, anti-convulsion 413, but be not precluded from using other term can
Can property.Use these terms to be only used to more easily to describe and explain the essence of the present invention；It is construed as any one
It is all contrary with spirit of the present invention for planting additional restriction.
Claims (12)
1. a wheel hub electric motor of electric vehicle, described wheel hub motor includes stator (1), rotor (2) and connecting shaft (3), described stator
(1) circumferentially positioned with connecting shaft (3), described rotor (2) is set in stator (1) outside, it is characterised in that described wheel hub motor is
10 cun of motors, magnetic guiding loop (7) internal diameter of described rotor (2) is 212.1mm ~ 212.9mm.
Wheel hub electric motor of electric vehicle the most according to claim 1, it is characterised in that described stator (1) external diameter be 205.1mm ~
208mm。
3. according to the wheel hub electric motor of electric vehicle described in claim 1 to 2, it is characterised in that the magnetic guiding loop (7) of described rotor (2)
Internal diameter is 212.5 ~ 212.6mm, described stator (1) external diameter 206.75mm ~ 206.9mm.
Wheel hub electric motor of electric vehicle the most according to claim 1, it is characterised in that described stator (1) includes iron core (5) and props up
Frame (4), iron core (5) is wound with coil, described support (4) two different discoid first gripper shoes (41) of employing and second
Fagging (42) is by from hole (45) the structure location make-up attaching of riveting location, described first gripper shoe (41) and the second gripper shoe
(42) it is tight fit, fixed, in described first gripper shoe (41) and the second gripper shoe (42) to rivet clasp by rivet interlacement or local
The heart is circular hole turnup limit (411), and above-mentioned two gripper shoe center hole turnup limit (411) is welded in same axle sleeve (43), institute
State two gripper shoes and be positioned at axle sleeve (43) proximal end, two ends with welding of axle sleeve (43).
Wheel hub electric motor of electric vehicle the most according to claim 4, it is characterised in that the facewidth of iron core (5) is 5.5mm ~ 7.5mm.
Wheel hub electric motor of electric vehicle the most according to claim 4, it is characterised in that the yoke portion thickness of iron core (5) be 4.5mm ~
6.0mm。
Wheel hub electric motor of electric vehicle the most according to claim 4, it is characterised in that the internal diameter of described iron core (5) be 157mm ~
165mm。
8. according to the wheel hub electric motor of electric vehicle described in claims 4, it is characterised in that described iron core (5) be 45 grooves, 48 grooves,
51 grooves or 54 grooves.
Wheel hub electric motor of electric vehicle the most according to claim 4, it is characterised in that described gripper shoe (41) and gripper shoe (42)
In the form of annular discs, described gripper shoe (41) and gripper shoe (42) side radially have several concavo-convex irregular reinforcements (47),
Above-mentioned reinforcement (47) the most radially radial distribution, extends to turnup limit, gripper shoe center in irregular concavo-convex change attached
Closely, two described gripper shoes by described gripper shoe from hole (45) the structure location make-up attaching of riveting location, and described reinforcement
(47) make-up forms the internal cavity (44) of irregular polygon, the rule that above-mentioned polygon internal cavity (44) is narrow in middle broad edge
Distribution；Rivet (10) in said two gripper shoe is positioned at chassis plane rest position.
Wheel hub electric motor of electric vehicle the most according to any one of claim 1 to 9, it is characterised in that described rotor (2) wraps
Including wheel rim (6), magnetic guiding loop (7) and several permanent magnets (8), described wheel rim (6) inner ring passes through to weld with magnetic guiding loop (7) outer surface
Connecting, described magnetic guiding loop (7) is if medial surface is adsorbed with dry tablet permanent magnet (8), and described permanent magnet (8) is the most uniform, described takes turns
Having valve inside installing hole (212) on rim (6), pass from wheel rim (6) for valve inside, described wheel rim (6) is ensureing that valve port is beaten
Hole feasibility and do not affect wheel rim and use on the premise of function and increase inner ring.
11. wheel hub electric motor of electric vehicle according to claim 10, it is characterised in that described magnetic guiding loop (7) external diameter is
225mm-228mm。
12. wheel hub electric motor of electric vehicle according to claim 10, it is characterised in that the height of described magnetic guiding loop (7) is
35mm~60mm。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610667745.2A CN106100173A (en) | 2016-08-15 | 2016-08-15 | A kind of wheel hub electric motor of electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610667745.2A CN106100173A (en) | 2016-08-15 | 2016-08-15 | A kind of wheel hub electric motor of electric vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539945A (en) * | 2018-06-27 | 2018-09-14 | 沈阳工业大学 | A kind of hub motor for electric automobile lightweight structure |
| CN108599451A (en) * | 2018-06-27 | 2018-09-28 | 沈阳工业大学 | A kind of augmentation of heat transfer structure of hub motor for electric automobile |
| CN109256877A (en) * | 2018-10-12 | 2019-01-22 | 台州市金宇机电有限公司 | A kind of wheel hub and hub motor of hub for electric vehicle motor |
| WO2019128182A1 (en) * | 2017-12-29 | 2019-07-04 | 台州市金宇机电有限公司 | Hub motor for electric vehicle |
| CN111146879A (en) * | 2018-11-06 | 2020-05-12 | 日本电产株式会社 | Motor for electric vehicle |
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| CN108539945A (en) * | 2018-06-27 | 2018-09-14 | 沈阳工业大学 | A kind of hub motor for electric automobile lightweight structure |
| CN108599451A (en) * | 2018-06-27 | 2018-09-28 | 沈阳工业大学 | A kind of augmentation of heat transfer structure of hub motor for electric automobile |
| CN108599451B (en) * | 2018-06-27 | 2024-01-26 | 沈阳工业大学 | Enhanced heat transfer structure of hub motor for electric automobile |
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| CN109256877B (en) * | 2018-10-12 | 2024-04-02 | 台州市金宇机电有限公司 | Hub of hub motor for electric vehicle and hub motor |
| CN111146879A (en) * | 2018-11-06 | 2020-05-12 | 日本电产株式会社 | Motor for electric vehicle |
| CN111146879B (en) * | 2018-11-06 | 2023-03-10 | 日本电产株式会社 | Motor for electric vehicle |
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