CN204118880U - Wheel hub electric motor of electric vehicle and Electricmotor car wheel - Google Patents
Wheel hub electric motor of electric vehicle and Electricmotor car wheel Download PDFInfo
- Publication number
- CN204118880U CN204118880U CN201420565755.1U CN201420565755U CN204118880U CN 204118880 U CN204118880 U CN 204118880U CN 201420565755 U CN201420565755 U CN 201420565755U CN 204118880 U CN204118880 U CN 204118880U
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- wheel hub
- permanent magnet
- wheel
- electric motor
- electric vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model is applicable to machine field, provides a kind of wheel hub electric motor of electric vehicle and uses the Electricmotor car wheel of this wheel hub electric motor of electric vehicle; Wherein wheel hub electric motor of electric vehicle comprises the supporting disk of wheel shaft, wheel hub, the rotor be installed on described wheel hub, stator and the described stator of support, and described supporting disk is fixedly installed on described wheel shaft; Described rotor comprises at least two circle permanent magnets, coaxial and the interval of the described permanent magnet of two circles is arranged, described stator comprises the conductor wire coordinating and insert some Energizing unit between permanent magnet described in two adjacent rings, be electrical connected in the carriage that supports each described Energizing unit respectively and with each described Energizing unit, and described carriage is fixed on the relative inner of described supporting disk.Compared with the wheel hub motor of prior art, wheel hub electric motor of electric vehicle of the present utility model can provide stronger motive force when same volume and input current.Can provide stronger motive force for vehicle, the heat of generation is less, and power consumption is less, and efficiency is higher.
Description
Technical field
The utility model belongs to machine field, particularly relates to a kind of wheel hub electric motor of electric vehicle and uses the Electricmotor car wheel of this wheel hub electric motor of electric vehicle.
Background technology
Wheel hub motor is integrated directly in the wheel hub of car by power set, and the mechanical part of electric motor car therefore can be made to be simplified greatly.Due to the restriction of the wheel size by different vehicle, the size of corresponding wheel hub motor is general corresponding with wheel size.When wheel hub motor is used for driving vehicle, need that there is larger thrust.The magnetic field of wheel hub motor thrust size and its rotor and and the magnetic field of stator have direct relation, in general the magnetic field of rotor and the magnetic field of stator larger, the motive force of wheel hub motor also can be larger.Prior art is generally the magnetic field increasing the coil winding of stator by increasing input current, but increase input current, wheel hub motor caloric value can be caused to increase, and increase the power consumption of wheel hub motor, thus generally understand the size of control inputs electric current in prior art, prevent wheel hub motor from burning out.Also the wheel hub motor motive force that just result in prior art is less.
Utility model content
The purpose of this utility model is to provide a kind of wheel hub electric motor of electric vehicle, is intended to solve the less problem of prior art wheel hub motor motive force.
The utility model realizes like this, a kind of wheel hub electric motor of electric vehicle, comprise wheel shaft, the wheel hub be articulated on described wheel shaft, be installed on described wheel hub and the rotor rotated with described hub rotation, with the stator of described rotor engagement and the supporting disk supporting described stator, described supporting disk is fixedly installed on described wheel shaft; Described rotor comprises the magnetic field of generation all along at least two circle permanent magnets that the radial direction of described wheel shaft is arranged, coaxial and the spaced radial of the described permanent magnet of two circles is arranged, described stator comprises the some Energizing unit, the carriage supporting each described Energizing unit respectively and the conductor wire be electrical connected with each described Energizing unit that coordinate and insert described in two adjacent rings between permanent magnet, and described carriage is fixed on the inner side in the face of described wheel hub of described supporting disk.
Further, often enclose described permanent magnet and comprise multiple permanent magnets that magnetic induction line arranges along the radial and annular array of this circle permanent magnet, adjacent two described permanent magnet polarity are towards the opposite; The polarity of permanent magnet corresponding on the same straight line of radial direction of the described permanent magnet of each circle is towards identical.
Further, described rotor also comprises the iron hoop supporting the described permanent magnet of each circle respectively, and the medial surface of each described iron hoop and described wheel hub is fixedly linked, and each described iron hoop is around described wheel shaft.
Further, the centre of described wheel hub is provided with clutch shaft bearing, and described clutch shaft bearing is set on described wheel shaft.
Further, each described Energizing unit is iron-less core coil.
Further, each described Energizing unit comprises at least four layer line circles, and every layer of described coil is multiturn, and side by side and recline mutually, and the winding direction of the described coil of each layer is identical for coil described in every layer of adjacent two circle.
Further, at least four layers of described coil of each described Energizing unit are closely entwined in the same direction by solid conductor.
Further, also comprise the end cap being placed on described supporting disk opposite exterior lateral sides, the centre of described end cap is articulated on described wheel shaft, and periphery and the described wheel hub of described end cap are fixedly linked.
Further, the axis of described wheel shaft near one end of described supporting disk opposite exterior lateral sides offers blind hole, and the side of described wheel shaft offers the perforate be connected with described blind hole, and described perforate is between described end cap and described supporting disk.
The utility model by arranging at least two circle permanent magnets in wheel hub, thus can provide the magnetic field of more high strength; Energizing unit plug-in mounting is entered between two adjacent rings permanent magnet simultaneously, and use carriage to fix and support Energizing unit; The magnetic field that then Energizing unit produces can produce active force with two adjacent rings permanent magnet simultaneously, thus provides stronger motive force for rotor.Compared with the wheel hub motor of prior art, wheel hub electric motor of electric vehicle of the present utility model can provide stronger motive force when same volume and input current.
Another object of the present utility model is to provide a kind of Electricmotor car wheel, and comprise wheel rim and be installed on the tire on described wheel rim, also comprise wheel hub electric motor of electric vehicle as above, described wheel rim is fixed on described wheel hub electric motor of electric vehicle.
Electricmotor car wheel of the present utility model employs above-mentioned wheel hub electric motor of electric vehicle, thus can provide stronger motive force for vehicle, and the heat of generation is less, and power consumption is less, and efficiency is higher.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of a kind of wheel hub electric motor of electric vehicle that the utility model embodiment one provides;
Fig. 2 is the sectional structure schematic diagram of wheel hub and rotor in the wheel hub electric motor of electric vehicle of Fig. 1;
Fig. 3 is the wheel hub of Fig. 2 and the plan structure schematic diagram of rotor;
Fig. 4 is the sectional structure schematic diagram of the combination of wheel shaft, supporting disk and stator in the wheel hub electric motor of electric vehicle of Fig. 1;
Fig. 5 is the sectional structure schematic diagram along Fig. 4 center line A-A;
Fig. 6 is the perspective view of Energizing unit in Fig. 4.
Fig. 7 is the sectional structure schematic diagram of a kind of wheel hub electric motor of electric vehicle that the utility model embodiment two provides;
Fig. 8 is the right TV structure schematic diagram of wheel hub and rotor in Fig. 7.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment one:
Refer to Fig. 1 and Fig. 2, a kind of wheel hub electric motor of electric vehicle that the utility model embodiment provides, comprise wheel shaft 1, wheel hub 2, rotor 3, stator 5 and supporting disk 6; Wherein, the centre of wheel hub 2 is articulated on wheel shaft 1, so that wheel hub 2 can rotate around wheel shaft 1; Rotor 3 is installed on the hub 2, is specifically arranged on the relative inner face of wheel hub 2; Stator 5 coordinates with rotor 3, rotates to drive rotor 3; Supporting disk 6 is fixedly mounted on wheel shaft 1, is used for support stator 5, and stator 5 is arranged on supporting disk 6, and stator 5 is fixed on supporting disk 6 on the side of the side of wheel hub 2 particularly, is namely arranged on the relative inner face of supporting disk 6.The present embodiment rotor 3 comprises two circle permanent magnets 31, and the coaxial and interval of this two circles permanent magnet 31 is arranged, and this two circles permanent magnet 31 comprises outer ring permanent magnet 311 and inner ring permanent magnet 312; The direction in the magnetic field often produced in circle permanent magnet 31 is all the radial directions along this circle permanent magnet 31, namely along the radial direction of wheel shaft 1.See also Fig. 4, the conductor wire 53 that stator 5 comprises some Energizing unit 51, supports the carriage 52 of each Energizing unit 51 respectively and be electrical connected with each Energizing unit 51; Carriage 52 is fixed on supporting disk 6, and carriage 52 is fixed on supporting disk 6 on the side of the side of wheel hub 2 particularly, is namely arranged on the relative inner face of supporting disk 6; Energizing unit 51 is arranged in carriage 52, thus is fixedly linked with supporting disk 6.Carriage 52 coordinates between the above-mentioned spaced two circle permanent magnets 31 of insertion, and make Energizing unit 51 insert between this two circles permanent magnet 31, then when Energizing unit 51 is energized, its generation magnetic field, two ends, and simultaneously enclose permanent magnet 31 with two and produce interaction force, promote two circle permanent magnets 31 to rotate, namely drive rotor 3 rotates.
In the present embodiment, by arranging two circle permanent magnets 31 in wheel hub 2, thus make stator 5 can provide the magnetic field of more high strength; Energizing unit 51 plug-in mounting is entered between two circle permanent magnets 31 simultaneously, and use carriage 52 to fix and support Energizing unit 51; And Energizing unit 51 is when producing magnetic field, its one end is N pole, and the other end is S pole, then the magnetic field that produces of Energizing unit 51 two can be enclosed permanent magnet 31 and produces active force simultaneously with this, thus provides stronger motive force for rotor 3.Compared with the wheel hub motor of prior art, the wheel hub electric motor of electric vehicle of the present embodiment can provide stronger motive force when same volume and input current, and when motive force is close, the heat that the wheel hub electric motor of electric vehicle of the present embodiment produces is less, energy consumption is lower, and efficiency is higher.
Refer to Fig. 2 and Fig. 3, often enclose multiple permanent magnets that permanent magnet 31 comprises annular array setting, and adjacent two permanent magnet polarity are towards the opposite; The permanent magnet 31a that in the present embodiment, outer ring permanent magnet 311 is arranged on the contrary by polarity and permanent magnet 31b is arranged alternately and forms, and the permanent magnet 31c that inner ring permanent magnet 312 is arranged on the contrary by polarity and permanent magnet 31d is arranged alternately and forms.The polarity of two permanent magnets corresponding on the same straight line of the radial direction of two circle permanent magnets 31 is towards identical, namely in two circle permanent magnets 31, in outer ring permanent magnet 311, the N pole (arctic of magnet) of certain permanent magnet 31a is positioned at the relative inner of this outer ring permanent magnet 311, the N pole of then corresponding in inner ring permanent magnet 312 permanent magnet 31c is also positioned at the relative inner of this inner ring permanent magnet 312, the permanent magnet 31a that the permanent magnet 31c of this inner ring permanent magnet 312 correspondence is corresponding with this outer ring permanent magnet 311 is positioned at the radial direction of this inner ring permanent magnet 312 or this outer ring permanent magnet 311 and is be located along the same line, the S pole of the permanent magnet 31b on the outer ring permanent magnet 311 that then corresponding with this outer ring permanent magnet 311 permanent magnet 31a is adjacent is positioned at the relative inner of this outer ring permanent magnet 311, and the S pole (South Pole of magnet) of permanent magnet 31d on the adjacent inner ring permanent magnet 312 of the permanent magnet 31c corresponding with this inner ring permanent magnet 312 of correspondence is positioned at the relative inner of this inner ring permanent magnet 312.Thus on the straight line of the same radial direction of two circle permanent magnets 31, the magnetic field of two corresponding permanent magnets superposes at gap place, betwixt as in figure, the magnetic field of permanent magnet 31a superposes betwixt with the magnetic field of permanent magnet 31c, to improve the intensity in magnetic field.
Further, stator 5 also comprises the iron hoop 32 being respectively used to support each circle permanent magnet 31, and the side of each iron hoop 32 and the relative inner face of wheel hub 2 are fixedly linked.Iron hoop 32 is set to facilitate the permanent magnet fixedly mounting each circle, the weight of wheel hub 2 can be alleviated simultaneously.In addition, when outer ring permanent magnet 311 is arranged on the relative inner of outer ring iron hoop 32, and inner ring permanent magnet 31 is arranged on the opposite exterior lateral sides of inner ring iron hoop 32, then respectively enclose adjacent two permanent magnets (as permanent magnet 31a and permanent magnet 31b) and this iron hoop 32 in permanent magnet 31 and can form U-shaped magnet, the intensity in the magnetic field produced with the permanent magnet improving each circle permanent magnet 31.In the present embodiment, iron hoop 32 is one-body molded with wheel hub 2, manufactures processing, improve the intensity of wheel hub 2 and iron hoop 32 simultaneously to facilitate.
Referring to Fig. 1 and Fig. 2, further, rotating more neatly on wheel shaft 1 to make wheel hub 2, the centre of wheel hub 2 is provided with clutch shaft bearing 21, and clutch shaft bearing 21 is set on wheel shaft 1, arranges clutch shaft bearing 21, to reduce the frictional force between wheel hub 2 and wheel shaft 1, facilitate wheel hub 2 flexible rotating.
Refer to Fig. 5 and Fig. 6, each Energizing unit 51 is iron-less core coil 511.Use iron-less core coil 511, more multiturn coil 511 can be wound around under same volume, to improve the intensity of excitation field.
Further, each Energizing unit 51 comprises at least four layer line circles 511, and every layer line circle 511 is multiturn, and side by side and recline mutually, and the winding direction of each layer line circle 511 is identical for every layer of adjacent two circle coil 511.Arrange at least four layer line circles 511, the magnetic field that each layer line circle 511 produces superposes better in the center of this Energizing unit 51, thus strengthens the magnetic field intensity of Energizing unit 51 generation further.Every layer of adjacent two circle coil 511 side by side and recline mutually and can be wound around the coil 511 of more multiturn, produce magnetic field intensity, and the winding direction of each layer line circle 511 are identical, can be wound around more easily, are convenient to industry manufacture, to reduce costs to be improved coil 511.
Further, at least four layer line circles 511 of each Energizing unit 51 are closely entwined in the same direction by solid conductor 512.Namely at least four layer line circles 511 forming Energizing unit 51 are closely entwined in the same direction by solid conductor 512.Be wound around direction of rotation when refering in particular to winding wire 512 herein in the same direction identical, as being wound around all along clockwise direction or being wound around all in the counterclockwise direction.At least four layer line circles 511 are entwined by solid conductor 512, the internal resistance of coil 511 can be reduced as far as possible, to reduce the caloric value of this Energizing unit 51.Preferably, wire 512 can use enamelled wire, and like this, the wire 512 of same diameter, resistance is lower.Wire 512 can use copper wire 512, also can use aluminum wire 512 etc.
Each layer line circle 511 can fill bonded adhesives 54 in gap betwixt when being wound around, so that better fixing each layer line circle 511, and fixes the shape of this Energizing unit 51.In addition, be arranged on after in carriage 52 at Energizing unit 51, bonded adhesives 54 can also be filled in frame, stably Energizing unit 51 is fixed in carriage 52, and when bonded adhesives 54 is filled between adjacent supports frame 52, can by each carriage 52 of annular array and each Energizing unit 51 be bonding circularizes, so that Energizing unit 51 is fixing more firm.Bonded adhesives 54 preferably uses hot-setting adhesive.
Further, refer to Fig. 1, Fig. 4 and Fig. 5, supporting disk 6 is stepped, namely the centre of this supporting disk 6 is protruded to its relative inner and is arranged, like this when supporting disk 6 is fixed on wheel shaft 1, the centre of supporting disk 6 can be fixed on the middle part of wheel shaft 1, more stably to support supporting disk 6.Supporting disk 6 can use pin key 41 to be fixed on wheel shaft 1.
Further, this wheel hub electric motor of electric vehicle also comprises end cap 6, the centre of end cap 6 is articulated on wheel shaft 1 and end cap 6 is placed on the opposite exterior lateral sides of supporting disk 6, and periphery and the wheel hub 2 of end cap 6 are fixedly linked, and namely wheel hub 2 and end cap 6 are placed on the relative both sides of supporting disk 6 respectively.The effect that end cap 6 can play protection supporting disk 6 and stator 5 is set.
End cap 6 can use screw 62 and wheel hub 2 to be fixedly linked, and particularly, the iron hoop 32 of end cap 6 with outer ring can be fixedly linked.In some other embodiment, screw 62 also can be used directly to be connected the periphery of end cap 6 with wheel hub 2.
Further, rotate on wheel shaft 1 for convenience of end cap 6, the centre of end cap 6 is provided with the second bearing 61, second bearing 61 and is set on wheel shaft 1, arranges the second bearing 61, to reduce the frictional force between end cap 6 and wheel shaft 1, facilitates end cap 6 flexible rotating.
Further, the axis of wheel shaft 1 near one end of supporting disk 6 opposite exterior lateral sides offers blind hole 11, and the side of wheel shaft 1 offers the perforate 12 be connected with blind hole 11, and perforate 12 is between end cap 6 and supporting disk 6.Wheel shaft 1 offered blind hole 11 and offers perforate 12 at wheel shaft 1 side, the conductor wire 53 be electrical connected with each Energizing unit 51 can be drawn outside this wheel hub electric motor of electric vehicle through this blind hole 11 by this perforate 12, to be energized to each conductor wire 53 again.Also can prevent from conductor wire 53 from affecting end cap 6 to rotate simultaneously.
Embodiment two:
Refer to Fig. 7 and Fig. 8, the difference of the wheel hub electric motor of electric vehicle of the present embodiment and the wheel hub electric motor of electric vehicle of embodiment one is: rotor 3 ＇ of this wheel hub electric motor of electric vehicle comprises three circle permanent magnet 31 ＇, coaxial and the interval of three circle permanent magnet 31 ＇ is arranged, outer ring permanent magnet 311 ＇ is specially, centre circle permanent magnet 313 ＇ and inner ring permanent magnet 312 ＇ in the present embodiment; And Energizing unit 51 ＇ and two that stator 5 ＇ correspondence comprises two circle annular arrays encloses carriage 52 ＇ supporting each Energizing unit 51 ＇ respectively, two circle Energizing unit 51 ＇ insert between two gaps of three circle permanent magnet 31 ＇ formation respectively, like this, the opposite end that three circle permanent magnet 31 ＇ can enclose Energizing unit 51 ＇ with two produces electromagnetic force, thus improves the motive force to rotor 3 ＇ further.
Multiple permanent magnets that permanent magnet 31 ＇ comprises annular array setting are often enclosed in three circle permanent magnet 31 ＇, and adjacent two permanent magnet polarity are towards the opposite, the permanent magnet 31a ＇ that in the present embodiment, outer ring permanent magnet 311 ＇ is arranged on the contrary by polarity and permanent magnet 31b ＇ is arranged alternately and forms, the permanent magnet 31c ＇ that inner ring permanent magnet 312 ＇ is arranged on the contrary by polarity and permanent magnet 31d ＇ is arranged alternately and forms, and the permanent magnet 31e ＇ that centre circle permanent magnet 313 ＇ is arranged on the contrary by polarity and permanent magnet 31f ＇ is arranged alternately and forms.To there being three permanent magnets on same straight line in the radial direction of each circle permanent magnet 31 ＇, as permanent magnet 31a ＇, permanent magnet 31e ＇, permanent magnet 31c ＇, these three permanent magnets are respectively permanent magnet 31a ＇ corresponding on outer ring permanent magnet 311 ＇, permanent magnet 31c ＇ corresponding on permanent magnet 31e ＇ corresponding on centre circle permanent magnet 313 ＇ and inner ring permanent magnet 312 ＇, and the polarity of these three permanent magnets is towards identical, the N pole of namely corresponding on outer ring permanent magnet 311 ＇ permanent magnet 31a ＇ is positioned at the relative inner of this outer ring permanent magnet 311 ＇, the N pole of permanent magnet 31e ＇ corresponding on centre circle permanent magnet 313 ＇ is positioned at the relative inner of this centre circle permanent magnet 313 ＇, the N pole of permanent magnet 31c ＇ corresponding on inner ring permanent magnet 312 ＇ is positioned at the relative inner of this inner ring permanent magnet 312 ＇.The S pole of the permanent magnet 31b ＇ that the permanent magnet 31a ＇ corresponding with on this outer ring permanent magnet 311 ＇ is adjacent is positioned at the relative inner of this outer ring permanent magnet 311 ＇, the S pole of the permanent magnet 31f ＇ that the permanent magnet 31e ＇ corresponding with on this centre circle permanent magnet 313 ＇ is adjacent is positioned at the relative inner of this centre circle permanent magnet 313 ＇, and the S pole of the permanent magnet 31d ＇ that the permanent magnet 31c ＇ corresponding with on this inner ring permanent magnet 312 ＇ is adjacent is positioned at the relative inner of this inner ring permanent magnet 312 ＇.Thus on the same straight line of the radial direction of two adjacent rings permanent magnet 31 ＇, the magnetic field of two corresponding permanent magnets superposes at gap place, betwixt to improve the intensity in magnetic field.
In other embodiments, rotor 3 ＇ also can comprise permanent magnet 31 ＇ of more multi-turn, and corresponding stator 5 ＇ also can comprise Energizing unit 51 ＇ of more multi-turn, so that each circle permanent magnet 31 ＇ at least more can produce electromagnetic force by circle Energizing unit 51 ＇.Further, to increase magnetic field intensity between two adjacent rings permanent magnet 31 ＇, along the polarity of each permanent magnet corresponding on the same straight line in each circle permanent magnet 3 ＇ 1 radial direction towards identical.
Other structure of the wheel hub electric motor of electric vehicle of the present embodiment is identical with other structure of the wheel hub electric motor of electric vehicle of embodiment one, in a little no longer burden.
The utility model embodiment also provides a kind of Electricmotor car wheel, this Electricmotor car wheel comprises wheel rim, be installed on the wheel hub motor of tire on wheel rim and support wheel rim, wheel rim is fixed on wheel hub motor, the wheel hub electric motor of electric vehicle that this wheel hub motor provides for such as embodiment one.This Electricmotor car wheel employs above-mentioned wheel hub electric motor of electric vehicle, thus can provide stronger motive force for vehicle, and the heat of generation is less, and power consumption is less, and efficiency is higher.
The utility model embodiment still provides another kind of Electricmotor car wheel, and comprise wheel rim, be installed on the wheel hub motor of tire on wheel rim and support wheel rim, wheel rim is fixed on wheel hub motor, the wheel hub electric motor of electric vehicle that this wheel hub motor provides for such as embodiment two.This Electricmotor car wheel employs above-mentioned wheel hub electric motor of electric vehicle, thus can provide stronger motive force for vehicle, and the heat of generation is less, and power consumption is less, and efficiency is higher.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a wheel hub electric motor of electric vehicle, comprise wheel shaft, the wheel hub be articulated on described wheel shaft, be installed on described wheel hub and the rotor rotated with described hub rotation, with the stator of described rotor engagement and the supporting disk supporting described stator, described supporting disk is fixedly installed on described wheel shaft; It is characterized in that: described rotor comprises the magnetic field of generation all along at least two circle permanent magnets that the radial direction of described wheel shaft is arranged, coaxial and the spaced radial of the described permanent magnet of two circles is arranged, described stator comprises the some Energizing unit, the carriage supporting each described Energizing unit respectively and the conductor wire be electrical connected with each described Energizing unit that coordinate and insert described in two adjacent rings between permanent magnet, and described carriage is fixed on the inner side in the face of described wheel hub of described supporting disk.
2. wheel hub electric motor of electric vehicle as claimed in claim 1, is characterized in that, often enclose described permanent magnet and comprise multiple permanent magnets that magnetic induction line arranges along the radial and annular array of this circle permanent magnet, adjacent two described permanent magnet polarity are towards the opposite; The polarity of permanent magnet corresponding on the same straight line of radial direction of the described permanent magnet of each circle is towards identical.
3. wheel hub electric motor of electric vehicle as claimed in claim 2, it is characterized in that, described rotor also comprises the iron hoop supporting the described permanent magnet of each circle respectively, and the medial surface of each described iron hoop and described wheel hub is fixedly linked, and each described iron hoop is around described wheel shaft.
4. wheel hub electric motor of electric vehicle as claimed in claim 1, it is characterized in that, the centre of described wheel hub is provided with clutch shaft bearing, and described clutch shaft bearing is set on described wheel shaft.
5. the wheel hub electric motor of electric vehicle as described in any one of claim 1-4, is characterized in that, each described Energizing unit is iron-less core coil.
6. wheel hub electric motor of electric vehicle as claimed in claim 5, it is characterized in that, each described Energizing unit comprises at least four layer line circles, and every layer of described coil is multiturn, and side by side and recline mutually, and the winding direction of the described coil of each layer is identical for coil described in every layer of adjacent two circle.
7. wheel hub electric motor of electric vehicle as claimed in claim 6, it is characterized in that, at least four layers of described coil of each described Energizing unit are closely entwined in the same direction by solid conductor.
8. the wheel hub electric motor of electric vehicle as described in any one of claim 1-4, is characterized in that, also comprises the end cap being placed on described supporting disk opposite exterior lateral sides, and the centre of described end cap is articulated on described wheel shaft, and periphery and the described wheel hub of described end cap are fixedly linked.
9. wheel hub electric motor of electric vehicle as claimed in claim 8, it is characterized in that, the axis of described wheel shaft near one end of described supporting disk opposite exterior lateral sides offers blind hole, and the side of described wheel shaft offers the perforate be connected with described blind hole, and described perforate is between described end cap and described supporting disk.
10. an Electricmotor car wheel, comprise wheel rim and be installed on the tire on described wheel rim, it is characterized in that, also comprise the wheel hub electric motor of electric vehicle as described in any one of claim 1-9, described wheel rim is fixed on described wheel hub electric motor of electric vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565755.1U CN204118880U (en) | 2014-09-28 | 2014-09-28 | Wheel hub electric motor of electric vehicle and Electricmotor car wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565755.1U CN204118880U (en) | 2014-09-28 | 2014-09-28 | Wheel hub electric motor of electric vehicle and Electricmotor car wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118880U true CN204118880U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420565755.1U Expired - Fee Related CN204118880U (en) | 2014-09-28 | 2014-09-28 | Wheel hub electric motor of electric vehicle and Electricmotor car wheel |
Country Status (1)
| Country | Link |
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| CN (1) | CN204118880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529848A (en) * | 2014-09-28 | 2016-04-27 | 深圳市祥益节能科技有限公司 | Electric vehicle in-wheel motor and electric vehicle wheel |
-
2014
- 2014-09-28 CN CN201420565755.1U patent/CN204118880U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529848A (en) * | 2014-09-28 | 2016-04-27 | 深圳市祥益节能科技有限公司 | Electric vehicle in-wheel motor and electric vehicle wheel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20190928 |