CN205986384U - Two antipodal motor and electric automobile - Google Patents
Two antipodal motor and electric automobile Download PDFInfo
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- CN205986384U CN205986384U CN201620508024.2U CN201620508024U CN205986384U CN 205986384 U CN205986384 U CN 205986384U CN 201620508024 U CN201620508024 U CN 201620508024U CN 205986384 U CN205986384 U CN 205986384U
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- magnet steel
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- punching body
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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
Abstract
The utility model discloses a two antipodal motors and the electric automobile who uses this two antipodal motor, two antipodal batteries include casing (400), install electric motor rotor (300) and motor stator (500) in this casing (400), electric motor rotor includes rotor core (310) of being made by amorphous alloy material, and this rotor core has two antipodally, motor stator (500) include the stator core who is made by silicon steel material. The utility model provides a two antipodal motors can provide great power output with less size. The driving motor who is particularly useful for the hypervelocity operation.
Description
Technical field
The utility model is related to motor component field, in particular it relates to a kind of two to pole motor and using this two to pole
The electric automobile of motor.
Background technology
Motor is extensively applied with various fields as driving means.The rise of electric automobile therewith in recent years, to conduct
Drive the importance of the motor of vehicle traveling self-evident.Wherein, well known, motor mainly includes shell, stator and turns
Son.For example in some prior arts, shell is the cylinder of front opening, and inside the shell is provided with stator, and stator includes stator iron
Core and iron core winding, rotor then includes rotating shaft, permanent magnet and rotor core；Rotor core is set on rotating shaft, rotor core
Periphery is evenly equipped with multiple permanent magnets；The front end of shell is provided with end face, and shell upper end is provided with terminal box and thinks winding power.From
And realize the rotation driving function of motor.Wherein the motor as electric automobile typically requires power small volume greatly, such as
What solves this contradiction is also important topic to be studied in the art.
Utility model content
The purpose of this utility model is to provide a kind of two to pole motor and use this two electric automobile to pole motor.
To achieve these goals, the utility model provides a kind of two to pole motor, including housing, is arranged in this housing
Rotor and motor stator, described rotor includes the rotor core being made up of amorphous alloy material, this rotor core
Have two to pole, described motor stator includes the stator core being made up of silicon steel material.
Alternatively, described rotor core is stacked by multiple rotor punchings and forms, and described rotor punching includes punching body, should
Magnet steel groove for magnet steel insertion is formed with punching body, described magnet steel groove is multiple, and the plurality of magnet steel groove is formed with composition
The described two magnet steel groove groups to extremely middle rotor magnetic pole, this magnet steel groove group includes the first diameter symmetry cloth with regard to described punching body
The the first magnet steel groove put and the second magnet steel groove, this first magnet steel groove and the second magnet steel groove are in outwardly open first V-type arrangement.
Alternatively, described magnet steel groove group also includes the 3rd magnet steel groove with regard to described first diameter symmetry arrangement and the 4th magnetic
Steel tank, the 3rd magnet steel groove and the 4th magnet steel groove are arranged in outwardly open second V-type and are arranged at intervals at described first magnetic
Steel tank and the radially inner side of the second magnet steel groove.
Alternatively, the angle of described second V-type is less than the angle of described first V-type.
Alternatively, described magnet steel groove group is four, and this four magnet steel groove groups are uniformly distributed circumferentially in described punching body
On to constitute described two to pole.
Alternatively, described punching body is formed with the oilhole being uniformly distributed circumferentially, this oilhole is located at adjacent described
Between magnet steel groove group.
Alternatively, the centre of gyration of described punching body is formed with shaft hole, and the side wall of this shaft hole is asymmetrically formed
There is a pair for the keyway with rotating shaft cooperation, this keyway protrudes towards the center of circle and the pair of keyway is located at described first diameter
On.
Alternatively, in described magnet steel groove group, between the described magnet steel groove being arranged symmetrically, it is provided with reinforcement, and described
It is provided with every magnetic bridge or every bore between the edge of magnet steel groove and described punching body.
Alternatively, described magnet steel groove has straightway and is located at this straightway both sides along the surface direction of described punching body
Inclination angle section, described inclination angle section leans outward from the end of described straightway away from the first lateral margin of the described punching body centre of gyration
Tiltedly.
Alternatively, two described inclination angle sections are arranged with regard to the Central Symmetry of described straightway.
Alternatively, the angle between described first lateral margin of described inclination angle section and described straightway is 0.5 ° -2 °.
Alternatively, described inclination angle section is close to the second lateral margin of the described punching body centre of gyration and the conllinear cloth of described straightway
Put.
Alternatively, described straightway accounts for the magnet steel being contained in described magnet steel groove along the length of described punching body surface
1/2-3/4.
Alternatively, described rotor also includes the rotating shaft being connected with the transmission of described rotor core, the inner of described rotating shaft
Installed by ceramic balls zanjon bearing, described housing is provided with terminal box.
Alternatively, described two is super high speed motor to pole motor.
The utility model also provides a kind of electric automobile, and including motor, this motor provides for the utility model
Two to pole motor.
By technique scheme, the two of the utility model offer can be larger with the offer of less size to pole motor
Power output.It is particularly suited for the motor of ultrahigh speed operation.
Other feature and advantage of the present utility model will be described in detail in subsequent specific embodiment part.
Brief description
Accompanying drawing is used to provide and further understands to of the present utility model, and constitutes a part for specification, and following
Specific embodiment be used for together explaining the utility model, but do not constitute to restriction of the present utility model.In the accompanying drawings：
Fig. 1 is the first view stereo figure of the motor that the utility model specific embodiment provides；
Fig. 2 is the second view stereo figure of the motor that the utility model specific embodiment provides；
Fig. 3 is the configuration schematic diagram of the motor that the utility model specific embodiment provides；
Fig. 4 is the structural representation of the motor rotor punching sheet that the utility model specific embodiment provides；
Fig. 5 is the structural representation of the magnet steel groove that the utility model specific embodiment provides, wherein in order to clearly show that
Angle, in the case of other feature invariants, this angle is exaggerated several times and shows；
Fig. 6 is the structure diagram of the electric automobile that the utility model specific embodiment provides.
Specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in detail.It should be appreciated that herein
Described specific embodiment is merely to illustrate and explains the utility model, is not limited to the utility model.
In the utility model, in the case of illustrating on the contrary, the noun of locality such as " upper and lower, left and right " of use is generally
It is to be defined on the basis of the page of accompanying drawing, " inside and outside " refers to the inner and outer of corresponding component profile.
As shown in Figures 1 to 6, the utility model provides at a kind of motor rotor punching sheet, a kind of rotor, Yi Zhong electricity
Machine 1000 and a kind of electric automobile 2000.Wherein motor 1000 can for two to pole motor, permagnetic synchronous motor or two to pole
Permagnetic synchronous motor, motor of the present utility model can also be other motor types well known in the art in addition, for example asynchronous
The motor of motor etc. type, especially a kind of super high speed motor, that is, rotating speed is in the motor of more than 20000rpm (rev/min),
The motor that the various motors that the utility model is mentioned are also particularly suitable for electric automobile uses.
Wherein, " two to pole ", " permanent-magnet synchronous " described in the utility model is term well known in the art, for example, two
Pole is referred to two pairs of magnetic poles are provided with rotor.Wherein because magnetic pole logarithm is more, when motor speed is high, especially originally
When motor in utility model is super high speed motor, the alternative frequency in magnetic field is higher, and produced by motor, heat is more, to cold
But the requirement of system is also higher, and in addition the iron loss of motor also can increase.Therefore, using two, ultrahigh speed is more suitable for pole motor
The motor running uses.Certainly, in other possible embodiments, it would however also be possible to employ three to pole or four to pole etc..
In addition permagnetic synchronous motor is also more suitable for the motor use of electric automobile.In performance, it can include
Efficiency high, power factor (PF) is high, in addition small volume, lightweight, the low advantage of temperature rise.Specifically for example, permagnetic synchronous motor is turning
After embedding permanent magnet on son, rotor field is set up by permanent magnet, rotor and stator field run simultaneously in normal work, turn
, there is not rotor resistance loss, electric efficiency be greatly improved in non-inductive electric current in son.In addition, when starting, motor has sufficiently large
Starting torque, and be not required to starting current too big it is adaptable to the motor that moved by electrokinetic cell band.Additionally, permanent magnetism is same
The efficiency high of step motor, in rotor windings, resistance loss is relatively low, rarer or there's almost no reactive current in stator winding, makes
Motor temperature rise low it is also possible to extend motor service life.The advantage that other permagnetic synchronous motors bring is not done and is excessively repeated.Always
It, permanent magnetic synchronous motor structure is simple, and processing and distribution cost reduce, and run relatively reliable, increase using after rare earth permanent magnet
Air gap flux density, and motor speed is brought up to most preferably, thus being reduced significantly the volume of motor, improve power-mass ratio；Separately
Outward due to eliminating excitation copper loss, electric efficiency is significantly improved.
In structure, as shown in Figure 1 to Figure 3, the motor that the utility model embodiment provides includes housing 400, installs
Rotor 300 in this housing 400 and motor stator 500, wherein rotor 300 include being stacked by multiple rotor punchings
Rotor core 310, also include and rotor core 310 rotating shaft 320 that is connected of transmission, specifically in the present embodiment,
The centre of gyration of the punching body 100 of rotor core is formed with shaft hole 101, and the side wall of this shaft hole 101 is asymmetrically formed
There is a pair for the keyway 102 with rotating shaft cooperation, that is, rotor core 310 and rotating shaft 320 are bonded mode.In other embodiment party
In formula, the two can also be attached, for example with not rounded using the mode of being in transmission connection known to other skilled in the art
The type face connected mode of section.In addition, oilhole 103 can also be formed with rotor punching, to form one of rotor oil circuit
Point.
In addition, housing 400 has end cap 800 away from clutch end, this end cap 800 could be formed with bearing chamber, turn
The inner of axle 320 is arranged on this bearing interior by ceramic balls zanjon bearing 600, and the outer end stretching out housing 400 then can be made
For clutch end.In addition, terminal box 700 is provided with housing for example can be electrically connected with electrokinetic cell bag with external power supply
Can be by producing magnetic field such that it is able to realize the work of motor for winding 900 is powered.In addition, the rotor of motor and stator
Between be additionally provided with air gap so that motor being capable of normal work.
In embodiment of the present utility model, as shown in figure 4, the motor rotor punching sheet being provided includes punching body
100, this punching body 100 is formed with the magnet steel groove 200 for magnet steel insertion, is formed by the use of magnet steel as permanent magnet and turn
Sub- magnetic pole, that is, the permanent magnet in present embodiment adopt Embedded mounting means, so can be effectively ensured in rotor superelevation
Stability during speed rotation, the permanent magnet mounting means comparing surface-mount type is more suitable for the rotor of ultrahigh speed operating.Wherein, turning
Son at a high speed especially ultrahigh speed operating when, the magnet steel being contained in magnet steel groove can have the trend of deformation under the action of the centrifugal force,
I.e. internally produce tension, and the resistance due to magnet steel groove and bear compression, wherein the tensile strength of magnet steel is far low
In its compression strength.In a kind of embodiment of magnet steel, its tensile strength only has 85Mpa, and compression strength then can reach
More than 1000Mpa.The tension of therefore generation can impact to the life-span of magnet steel.Based on this, in order to carry in present embodiment
In the life-span of high magnet steel, the grooved of magnet steel groove is improved, its mode can include being changed into the tension suffered by magnet steel
Compression.
Wherein, as shown in figure 5, magnet steel groove 200 along punching body 100 surface direction have straightway 201 and be located at should
The inclination angle section 202 of straightway 201 both sides, inclination angle section 202 away from punching body 100 centre of gyration the first lateral margin from straightway
201 end is outward-dipping.So, by the inclination angle section outward-dipping in the setting of straightway 201 both sides, can be magnet steel groove
Magnet steel two ends in 200 provide the buffering area producing micro-deformation, that is, when rotor rotates it is allowed to magnet steel is in magnet steel groove 200
Micro-deformation produces tension thus discharging inside magnet steel, then lift the life-span of magnet steel.
Specifically, in the present embodiment, in order to realize the improvement of magnet steel groove 200, can be in existing yi word pattern magnet steel
On groove, angle of release forms.Wherein, because the deformation of magnet steel is more micro and excessive in order to avoid causing to the intensity of rotor punching
Impact, in the present embodiment, the angle α between the first lateral margin of inclination angle section 202 and straightway 201 is 0.5 ° -2 °, for example, adopt
With 1 ° of inclination.Herein it should be noted that Fig. 5 is in the case of other feature invariants, this angle α is exaggerated several times
View afterwards, schematically to clearly show that this inclination angle section 202.This improvement to magnet steel groove 200 can be effectively increased magnet steel
Life-span, but can the intensity of punching body 100 be caused necessarily to affect.Therefore, the punching body 100 in present embodiment is by non-
Peritectic alloy material is made, and that is, the rotor core in the utility model embodiment is made up of amorphous alloy material.
Well known, in the characteristic of amorphous alloy material, tensile strength is tens times of common silicon steel material, therefore to magnet steel
The intensity that the improvement of groove 200 is sacrificed can be made up by this material, and is much higher than the rotor of silicon steel material in prior art
Punching, thus can either ensure that life-span of magnet steel can also ensure that intensity and the life-span of rotor core.
In addition, in embodiment of the present utility model, because rotor core is made up of amorphous alloy material, also can make to turn
Sub- iron core has the features such as magnetic conductivity is high, electrical conductivity is high, eddy-current loss is little, more greatly improves the performance of motor.Wherein it is desired to
It is mentioned that, makes rotor core using amorphous alloy material, inventor of the present utility model finds that this material not only can
Rotor ability is got a promotion, also solves the key issue how realizing high-power output by small size, this technology
On breakthrough enable to the motor in electric automobile field and achieve rapid progress.
Specifically, the mentality of designing of inventor of the present utility model is, inventor finds in electric automobile field, for
The consideration of space layout, is difficult to the volume of motor is maximum, that is, is difficult to the moment of torsion of lifting motor.So for hoisting power, root
Understand according to formula p=T*n/9550, in the case of small size, powerful output can be realized by increasing rotating speed.Cause
This, the motor that inventor of the present utility model creates using the motor of the big rotating speed of small size is used as electric automobile is used
Motivation.Wherein, inventor is additionally contemplates that after motor speed reaches the ultrahigh speed of 20000rpm, is bent by common silicon steel sheet
Take the restriction of intensity, the motor volume designing can be too small.When motor volume is too small, although rotating speed is higher but still meeting is straight
Connect the torque of impact motor output, thus the requirement of motor can not be met.
In view of these factors, present inventor employs amorphous alloy material and does rotor to solve limited by rotor diameter
Problem, that is, can ensure motor can operate with ultrahigh speed while, as much as possible increase motor volume thus increasing torsion
Square and further lifting motor power.Further, all parts are not simply all used by the motor that the utility model provides
Amorphous alloy material manufactures.Except cost factor, the utility model also finds under present technological conditions, amorphous alloy strips
Restricted width, if also doing motor stator with amorphous alloy strips, will also result in produced motor too small and affect motor
Power output.Further, since the magnetostriction coefficient of amorphous alloy material is larger, this will lead to motor oscillating noise larger.
Therefore, rotor core is only made by the various motors that the utility model embodiment is provided using amorphous alloy material, depending on
Son then can select to make using existing silicon steel material.Therefore, non-using using rotor in the utility model embodiment
Peritectic alloy material and stator adopt the structure of original silicon steel material, are by considering the structure of each side factor, need to send out
A person of good sense carries out a large amount of creative works.
And further, this just with above-mentioned employing amorphous alloy material manufacture rotor core thus elevating ultrahigh speed fortune
When turning, the idea in magnet steel life-span is perfectly in harmony.So, amorphous alloy material is dexterously used for the manufacture of rotor by the utility model,
The beneficial effect improving the magnet steel life-span when ultrahigh speed operates can not only be reached additionally it is possible to simultaneously so that the motor designing
Small volume and not too small, also create unexpected technology effect by rotor core is manufactured using amorphous alloy material
Fruit is it is achieved that the multi-effect of a feature.Be particularly suited for needing the requirement of the high-power and motor of small size so that
The performance of motor is significantly enhanced.
Return on the motor rotor punching sheet of present embodiment offer, as shown in figure 5, for the deformation one ensureing magnet steel both sides
Cause, two inclination angle sections 202 can be designed as the Central Symmetry setting with regard to straightway 201.The i.e. structure of two inclination angle sections 202
Essentially identical.In addition, for the structure realizing magnet steel, inclination angle section 202 close to the second lateral margin of punching body 100 centre of gyration with
Straightway 201 is collinearly arranged.I.e. in the section of inclination angle, the first lateral margin line in only outside tilts with respect to straightway 201, thus can either
Ensure the outside micro-deformation in magnet steel two ends under the action of the centrifugal force additionally it is possible to preferably make magnet steel accommodate be maintained at magnet steel
In groove 200.Further, in order to better adapt to the deformation of magnet steel, straightway 201 can be designed account for and be contained in magnet steel groove
The 1/2-3/4 of the length along punching body 100 surface for the magnet steel.So that the deformation of magnet steel is preferably buffered, and avoid
Magnet steel groove applies destructive power unnecessary to magnet steel.
The grooved above describing magnet steel groove 200 improves, below to motor rotor punching sheet in the utility model embodiment
In the improvement of magnetic pole arrangement aspect be described.
Wherein, in order to form rotor magnetic pole, as shown in figure 4, magnet steel groove 200 is multiple, the plurality of magnet steel groove 200 is formed with
Constitute the magnet steel groove group of rotor magnetic pole, i.e. a magnet steel groove group can form a rotor magnetic pole, wherein, this magnet steel groove group bag
Include with regard to punching body first diameter symmetry arrangement the first magnet steel groove 210 and the second magnet steel groove 220, this first magnet steel groove and
Second magnet steel groove is in outwardly open first V-type arrangement.In other words, magnet steel arrangement of the present utility model is V-structure.With
In order to produce larger magnetic field in less size, in the present embodiment, magnet steel groove group is also included with regard to the first diameter sample
The 3rd magnet steel groove 230 being arranged symmetrically and the 4th magnet steel groove 240, the 3rd magnet steel groove and the 4th magnet steel groove are in outwardly open the
The radially inner side of the first magnet steel groove and the second magnet steel groove is arranged and be arranged at intervals to two V-types.An i.e. magnetic in the utility model
Four magnet steel extremely can be included, thus making full use of the space of punching body, this is particularly suited for the motor of small volume.
In order to optimize the layout of four magnet steel in same group, reasonable utilization space, alternatively, the angle of the second V-type is less than the folder of the first V-type
Angle.In such manner, it is possible to the magnet steel outside making better profits from the space in punching body string of a musical instrument direction, and make inner side magnet steel more preferable
Using the space of punching body radial direction, layout is more reasonable on ground, more effectively produces magnetic field.
In order to produce uniform magnetic field, in the present embodiment, magnet steel groove group is multiple to respectively constitute multiple rotor magnetic
Pole, the plurality of magnet steel groove group is even number and is uniformly distributed circumferentially on punching body.Wherein provide in the utility model
In two pairs of pole motors, accordingly, magnet steel groove group be four with constitute rotor two to pole.In other embodiments, with
The difference of magnetic pole logarithm, can arrange the magnet steel groove group of varying number.
In the present embodiment, in order to ensure the intensity of punching body, punching body 100 is formed with and circumferentially uniformly divides
The oilhole 103 of cloth, this oilhole 103 is located between adjacent magnet steel groove group, with fully sharp punching body plenum, in addition opens up oilhole
103 can carry out loss of weight to rotor and reduce rotor moment of inertia.In addition, in the present embodiment, the revolution of punching body 100
It is centrally formed with shaft hole 101, the side wall of this shaft hole 101 is asymmetrically formed a pair for the keyway with rotating shaft cooperation
102, this keyway 102 protrudes towards the center of circle and this pair of keyway 102 is located at first diametrically.That is, this keyway is the structure protruded
And non-re-entrant structure, thus convenient coordinate transmitting torque with spindle keyway.
In addition, for the intensity ensureing punching body, in the present embodiment, in magnet steel groove group, the magnetic that is arranged symmetrically
It is provided with reinforcement, to strengthen the intensity of punching body between steel tank.In addition, and between the edge of magnet steel groove and punching body
It is provided with every magnetic bridge or every bore.Therein can be the smaller the better every magnetic bridge, thus leakage field can be reduced, increase air gap flux density.Separately
Air gap magnetic density waveform can be improved every bore outward, thus lifting motor performance.
The motor that the utility model provides is more suitable for the motor of electric automobile, and iron loss ratio therein is relatively low, improves
Power output, turn avoid the big problem of the noise that amorphous motor brings.Stator, rotor structures are redesigned.Improve rotor knot
The intensity of structure, not only can make ultrahigh rotating speed motor, and have excellent electromagnetic performance.Only rotor core uses amorphous
Alloy, reduces difficulty of processing, reduces the cost of technique.Volume is not restricted by amorphous alloy material, and motor then can play
Go out bigger moment of torsion and power.At high speed, minimize the alternative frequency in magnetic field, reduce iron loss, decrease radiating, and
And it is easy to the control of motor so that the performance of motor is significantly improved, so that the performance of electric automobile is also obtained significantly
Lifting, practicality is more preferable.
Describe preferred embodiment of the present utility model above in association with accompanying drawing in detail, but, the utility model does not limit
Detail in above-mentioned embodiment, in range of the technology design of the present utility model, can be to skill of the present utility model
Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
Plant possible combination no longer separately to illustrate.
Additionally, can also be combined, as long as it is not disobeyed between various different embodiment of the present utility model
Carry on the back thought of the present utility model, it equally should be considered as content disclosed in the utility model.
Claims (13)
1. one kind two is to pole motor, including housing (400), the rotor (300) that is arranged in this housing (400) and motor fixed
Sub (500), it is characterised in that described two is super high speed motor to pole motor, described rotor is included by amorphous alloy material
The rotor core (310) made, this rotor core has two to pole, and described motor stator (500) includes being made up of silicon steel material
Stator core, described rotor core (310) by multiple rotor punchings be stacked form, described rotor punching includes punching body
(100), this punching body (100) is formed with the magnet steel groove (200) for magnet steel insertion, described magnet steel groove (200) is multiple,
The plurality of magnet steel groove (200) be formed with composition the described two magnet steel groove groups to extremely middle rotor magnetic pole, this magnet steel groove group include with regard to
The first magnet steel groove (210) of the first diameter symmetry arrangement of described punching body and the second magnet steel groove (220), this first magnet steel groove
It is in outwardly open first V-type arrangement with the second magnet steel groove.
2. according to claim 1 two to pole motor it is characterised in that described magnet steel groove group is also included with regard to described first
3rd magnet steel groove (230) of diameter symmetry arrangement and the 4th magnet steel groove (240), the 3rd magnet steel groove and the 4th magnet steel groove are outwards in
Second V-type of opening is arranged and is arranged at intervals at the radially inner side of described first magnet steel groove and the second magnet steel groove.
3. according to claim 2 two to pole motor it is characterised in that the angle of described second V-type be less than a described V
The angle of type.
4. two according to any one in claim 1-3 to pole motor it is characterised in that described magnet steel groove group be four
Individual, this four magnet steel groove groups are uniformly distributed circumferentially on described punching body to constitute described two to pole.
5. according to claim 4 two to pole motor it is characterised in that be formed with described punching body (100) along week
To equally distributed oilhole (103), this oilhole is located between adjacent described magnet steel groove group.
6. according to claim 5 two to pole motor it is characterised in that the centre of gyration shape of described punching body (100)
Become to have shaft hole (101), the side wall of this shaft hole (101) is asymmetrically formed a pair for the keyway with rotating shaft cooperation
(102), this keyway (102) protrudes towards the center of circle and the pair of keyway (102) is located at described first diametrically.
7. two according to any one in claim 1-3 to pole motor it is characterised in that in described magnet steel groove group,
It is provided between the described magnet steel groove being arranged symmetrically and set between reinforcement, and the edge of described magnet steel groove and described punching body
It is equipped with every magnetic bridge or every bore.
8. according to claim 1 two to pole motor it is characterised in that described magnet steel groove (200) is along described punching body
(100) the inclination angle section (202) that surface direction has straightway (201) and is located at this straightway (201) both sides, described inclination angle section
(202) the first lateral margin away from described punching body (100) centre of gyration is outward-dipping from the end of described straightway (201).
9. according to claim 8 two to pole motor it is characterised in that two described inclination angles section (202) are with regard to described straight
The Central Symmetry setting of line segment (201).
10. two according to claim 8 or claim 9 to pole motor it is characterised in that described the first of described inclination angle section (202)
Angle between lateral margin and described straightway (201) is 0.5 ° -2 °.
11. according to claim 8 or claim 9 two to pole motor it is characterised in that described inclination angle section is close to described punching body
(100) the second lateral margin of the centre of gyration is conllinear with described straightway (201) arranges.
12. according to claim 8 or claim 9 two to pole motor it is characterised in that described straightway (201) accounts for and is contained in institute
State the 1/2-3/4 of magnet steel in the magnet steel groove length along described punching body (100) surface.
A kind of 13. electric automobiles, including motor it is characterised in that this motor is to appoint according in claim 1-12
Described in meaning one two are to pole motor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620508024.2U CN205986384U (en) | 2016-05-27 | 2016-05-27 | Two antipodal motor and electric automobile |
| PCT/CN2017/085589 WO2017202317A1 (en) | 2016-05-27 | 2017-05-23 | Double-antipode motor and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620508024.2U CN205986384U (en) | 2016-05-27 | 2016-05-27 | Two antipodal motor and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205986384U true CN205986384U (en) | 2017-02-22 |
Family
ID=58019217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620508024.2U Active CN205986384U (en) | 2016-05-27 | 2016-05-27 | Two antipodal motor and electric automobile |
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| Country | Link |
|---|---|
| CN (1) | CN205986384U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202319A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Permanent magnet synchronous motor and electric vehicle |
| WO2017202317A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Double-antipode motor and electric vehicle |
| WO2017202316A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Double-antipode permanent magnet synchronous motor and electric vehicle |
| WO2017202318A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Punching plate for motor rotor, motor rotor, motor, and electric vehicle |
| WO2017202320A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Motor rotor, motor, and electric vehicle |
| WO2017202321A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Motor and electric vehicle |
| CN107437857A (en) * | 2016-05-27 | 2017-12-05 | 比亚迪股份有限公司 | Two pairs of pole motors and electric automobile |
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2016
- 2016-05-27 CN CN201620508024.2U patent/CN205986384U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202319A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Permanent magnet synchronous motor and electric vehicle |
| WO2017202317A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Double-antipode motor and electric vehicle |
| WO2017202316A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Double-antipode permanent magnet synchronous motor and electric vehicle |
| WO2017202318A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Punching plate for motor rotor, motor rotor, motor, and electric vehicle |
| WO2017202320A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Motor rotor, motor, and electric vehicle |
| WO2017202321A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Motor and electric vehicle |
| CN107437857A (en) * | 2016-05-27 | 2017-12-05 | 比亚迪股份有限公司 | Two pairs of pole motors and electric automobile |
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