CN106712450B - Middle tone magnetic-type axial direction integrated form electric stepless gear - Google Patents
Middle tone magnetic-type axial direction integrated form electric stepless gear Download PDFInfo
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- CN106712450B CN106712450B CN201710042456.8A CN201710042456A CN106712450B CN 106712450 B CN106712450 B CN 106712450B CN 201710042456 A CN201710042456 A CN 201710042456A CN 106712450 B CN106712450 B CN 106712450B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
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Abstract
Middle tone magnetic-type axial direction integrated form electric stepless gear, belongs to field of hybrid electric vehicles, and the present invention is to solve existing brushless composite structure motor scheme existing the problems such as structure is complicated, volume is larger, integrated level is low.The present invention program: including casing, two double winding stators, p-m rotor, modulation rotor, p-m rotor output shaft and modulation rotor output shaft；Rotor is modulated between double winding stator and p-m rotor, there are axial air-gap L1 between modulation rotor and double winding stator；There are axial air-gap L2 between modulation rotor and p-m rotor；There are two independent shafts for present invention tool, and the torque rotary speed of two axis is completely independent, and double winding stator forms ps1The rotating armature magnetic field of number of pole-pairs and ps2The rotating armature magnetic field of number of pole-pairs, meets condition ps1=| kpPM+jpm| and ps2=kpPM。
Description
Technical field
The invention belongs to field of hybrid electric vehicles.
Background technique
Hybrid vehicle is the new-energy automobile of current most development potentiality and market value.Due to hybrid vehicle
It can be good at combining engine technology and electric drive technology, therefore hybrid vehicle is in fuel economy and energy-saving and emission-reduction side
Face has very big advantage.
It mainly include two kinds in Technology of Hybrid Electric Vehicle, one is using mechanical planetary gear as the mechanical hybrid power of core
System (such as Prius system), one is using composite structure motor as the pure electric hybrid power system of core.Planetary gear is
A kind of mechanical part of precision, therefore mechanical hybrid power system inevitably vibrate, noise, abrasion and regular
The problems such as maintenance.In contrast, composite structure motor is not only without the above problem, but also simple, easily controllable with structure excellent
Gesture.
Brushless composite structure motor scheme has higher reliability and practical value in composite structure motor, is the field
Hot research direction.Chinese patent CN101938201B, CN101951089B and CN101938200B describe a kind of brushless
Compound machine scheme, such scheme are actually in series by a brushless double-rotor machine and a permanent magnet synchronous motor
Composite structure motor scheme.Although the program realizes composite structure motor non-brushing, it also has, and structure is complicated, volume compared with
Greatly, the disadvantages such as integrated level is low.
Summary of the invention
The invention aims to solve existing for existing brushless composite structure motor scheme structure is complicated, volume is larger,
The problems such as integrated level is low provides a kind of middle tone magnetic-type axial direction integrated form electric stepless gear.
The first structure of middle tone magnetic-type axial direction integrated form electric stepless gear of the present invention:
Middle tone magnetic-type axial direction integrated form electric stepless gear includes casing, two double winding stators, p-m rotor, tune
Rotor, p-m rotor output shaft and modulation rotor output shaft processed；
Each outer toroid end face of two double winding stators is separately fixed on the left and right end face inner wall of casing, double winding
Region ecto-entad is disposed with modulation rotor and p-m rotor between stator；P-m rotor is fixed on p-m rotor output
On axis, one end of p-m rotor output shaft passes through second bearing and fourth bearing and modulation rotor rotation connection, p-m rotor
The other end of output shaft is stretched out from an end cap of casing, and is rotatablely connected by first bearing and casing；
Rotor is modulated between double winding stator and p-m rotor, one end of modulation rotor output shaft is fixed on tune
On rotor processed, the other end for modulating rotor output shaft is stretched out from another end cap of casing, and passes through 3rd bearing and machine
Shell rotation connection；
There are axial air-gap L1 between modulation rotor and double winding stator；Exist between modulation rotor and p-m rotor
Axial air-gap L2；The axis for modulating rotor output shaft and p-m rotor output shaft is overlapped；
Double winding stator is made of stator core, the first stator winding and the second stator winding；First stator winding is one
A m1Phase stator winding, when the first stator winding is connected with m1When phase alternating current, p will forms1The rotating armature magnetic field of number of pole-pairs,
m1、ps1For positive integer；Second stator winding is a m2Phase stator winding, when the second stator winding is connected with m2When phase alternating current,
It will form ps2The rotating armature magnetic field of number of pole-pairs, m2、ps2For positive integer；
P-m rotor is made of p-m rotor iron core and multiple permanent magnet units, and p-m rotor iron core is disc, permanent magnetism
Permanent magnet unit is symmetrical arranged on two side discs end faces of rotor core, it is p that each nose circle face, which is formed by magnetic field number of pole-pairs,PM,
pPMFor positive integer；
Rotor is modulated by pmA magnetic inductive block, pmA non-magnetic piece and rotor field spider composition, pmFor positive integer；Rotor field spider
It is the closed frame being made of two nose circle faces and an annulus, be staggered p on each nose circle facemA magnetic inductive block and pmIt is a non-
Magnetic inductive block, and uniformly arranged centered on p-m rotor output shaft in radial line；Magnetic inductive block selects soft-magnetic composite material, silicon steel
Piece, solid-iron or soft magnetic ferrite；
And above-mentioned parameter meets ps1=| kpPM+jpm| and ps2=kpPM, wherein k is positive integer, and j is integer.
Preferably, the 2p that Surface Mount setting or insertion are arranged on each disk end face of p-m rotor iron corePMA permanent magnet list
Member is uniformly arranged centered on p-m rotor output shaft in radial line, and permanent magnet unit is along axial charging, same disk end face
The magnetizing direction of adjacent two pieces of permanent magnet units is on the contrary, on two side discs end faces the symmetrical two pieces of permanent magnet unit sides of magnetizing in position
To identical.
Preferably, magnetic inductive block selects soft-magnetic composite material, silicon steel sheet, solid-iron or soft magnetic ferrite.
Preferably, be staggered p on each disk end face of p-m rotor iron corePMA permanent magnet unit and pPMA iron core
Protrusion element, while they are uniformly arranged centered on p-m rotor output shaft in radial line, permanent magnet unit is filled along axial direction
The magnetizing direction of magnetic, the same all permanent magnet units in disk end face is identical, the symmetrical two blocks of permanent magnetism in position on two side discs end faces
Body unit magnetizing direction is identical.
Second structure of middle tone magnetic-type axial direction integrated form electric stepless gear of the present invention:
Middle tone magnetic-type axial direction integrated form electric stepless gear, which is characterized in that including casing, double winding stator, forever
Magnet rotor, modulation rotor, p-m rotor output shaft and modulation rotor output shaft,
Double winding stator is fixed on the end cap inner wall of casing；P-m rotor is fixed on one end of p-m rotor output shaft,
The other end of p-m rotor output shaft is stretched out from an end cap of casing, and is rotatablely connected by 3rd bearing and casing；
Rotor is modulated between double winding stator and p-m rotor, modulation rotor is fixed on modulation rotor output
On axis, one end of modulation rotor output shaft is rotatablely connected by second bearing and p-m rotor, modulation rotor output shaft
The other end is stretched out from another end cap of casing, and is rotatablely connected by first bearing and casing；
There are axial air-gap L1 between modulation rotor and double winding stator；Exist between modulation rotor and p-m rotor
Axial air-gap L2；The axis for modulating rotor output shaft and p-m rotor output shaft is overlapped；
Double winding stator is made of stator core, the first stator winding and the second stator winding；First stator winding is one
A m1Phase stator winding, when the first stator winding is connected with m1When phase alternating current, p will forms1The rotating armature magnetic field of number of pole-pairs,
m1、ps1For positive integer；Second stator winding is a m2Phase stator winding, when the second stator winding is connected with m2When phase alternating current,
It will form ps2The rotating armature magnetic field of number of pole-pairs, m2、ps2For positive integer；
P-m rotor number of pole-pairs is pPM, pPMFor positive integer；P-m rotor is by p-m rotor iron core and multiple permanent magnet units
It constitutes, p-m rotor iron core is disc, and permanent magnet unit is arranged on the inboard disc end face of p-m rotor iron core；
Rotor is modulated by pmA magnetic inductive block, pmA non-magnetic piece and rotor field spider composition, pmFor positive integer；Rotor field spider
On be along the circumferential direction staggered magnetic inductive block and non-magnetic piece；Magnetic inductive block selects soft-magnetic composite material, silicon steel sheet, solid-iron or soft
Magnetic ferrites；
And above-mentioned parameter meets ps1=| kpPM+jpm| and ps2=kpPM, wherein k is positive integer, and j is integer.
Preferably, magnetic inductive block selects soft-magnetic composite material, silicon steel sheet, solid-iron or soft magnetic ferrite.
Preferably, the 2p that Surface Mount setting or insertion are arranged on the inboard disc end face of p-m rotor iron corePMA permanent magnet list
Member is uniformly arranged centered on p-m rotor output shaft in radial line, and permanent magnet unit is along axial charging, adjacent two blocks of permanent magnetism
The magnetizing direction of body unit is opposite.
Preferably, be staggered p on the inboard disc end face of p-m rotor iron corePMA permanent magnet unit and pPMA iron core
Protrusion element, while they are uniformly arranged centered on p-m rotor output shaft in radial line, permanent magnet unit is filled along axial direction
The magnetizing direction of magnetic, all permanent magnet units is identical.
Advantages of the present invention: there are two independent for middle tone magnetic-type axial direction integrated form electric stepless gear tool of the invention
Shaft, and the torque rotary speed of two axis is completely independent, therefore, present invention is particularly suitable for applications in electric car, wind-power electricity generation, fishes
Thunder propulsion etc. needs the occasion of double shaft independent controls.
The invention belongs to brushless structure scheme, there is no electric brush slip ring mechanism in scheme, has brush composite junction compared to existing
For structure motor scheme, efficiency of the invention, reliability are obviously improved.Simultaneously compared to existing brushless composite structure side
For case, the present invention has the advantages such as apparent structure is simple, small in size, integrated level is high.
Motor of the present invention has the advantages that power density is high, torque density is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of middle tone magnetic-type axial direction integrated form electric stepless gear described in embodiment one；
Fig. 2 is the C-C cross-sectional view of Fig. 1；
Fig. 3 is the D-D cross-sectional view of Fig. 1；
Fig. 4 is the structural schematic diagram of middle tone magnetic-type axial direction integrated form electric stepless gear described in embodiment two；
Fig. 5 is the E-E cross-sectional view of Fig. 6；
Fig. 6 is the F-F cross-sectional view of Fig. 6；
Fig. 7 is the structural schematic diagram of middle tone magnetic-type axial direction integrated form electric stepless gear described in embodiment three；
Fig. 8 is the G-G cross-sectional view of Figure 11；
Fig. 9 is the H-H cross-sectional view of Figure 11；
Figure 10 is the structural schematic diagram of middle tone magnetic-type axial direction integrated form electric stepless gear described in example IV；
Figure 11 is the I-I cross-sectional view of Figure 16；
Figure 12 is the J-J cross-sectional view of Figure 16；
Figure 13 is the A-A cross-sectional view of Fig. 1；
Figure 14 is a quarter enlarged drawing of Figure 13；
Figure 15 is the B-B cross-sectional view of Fig. 1；
Figure 16 is 1/6th enlarged drawings of Figure 15；
Figure 17 is the winding arrangement schematic diagram of the first stator winding；
Figure 18 is the winding arrangement schematic diagram of the second stator winding.
Specific embodiment
Below with reference to Fig. 1~Figure 18, the invention will be further described.
Speed changer in hybrid vehicle has a kind of brushless compound machine using composite structure motor in the prior art, such as
Scheme disclosed in Chinese patent CN101938201B, CN101951089B and CN101938200B, such scheme be actually by
One brushless double-rotor machine and permanent magnet synchronous motor composite structure motor scheme in series.Although the program is realized
Composite structure motor non-brushing, but it also has disadvantages such as structure is complicated, volume is larger, integrated level is low.The present invention proposes one kind
Middle tone magnetic-type axial direction integrated form electric stepless gear, independent shaft that there are two stepless transmission tools of the present invention, and two
The torque rotary speed of axis is completely independent, and the invention belongs to brushless structure scheme, does not have electric brush slip ring mechanism in scheme, compared to existing
Have brush composite structure motor scheme for, efficiency of the invention, reliability are obviously improved.
Embodiment one:
FIG. 1 to FIG. 3 is the structural schematic diagram of the middle tone magnetic-type axial direction integrated form electric stepless gear in embodiment one.
Middle tone magnetic-type axial direction integrated form electric stepless gear includes 4, two double winding stators 5, p-m rotor of casing
7, rotor 6, p-m rotor output shaft 1 and modulation rotor output shaft 9 are modulated；
Each outer toroid end face of two double winding stators 5 is separately fixed on the left and right end face inner wall of casing 4, double wrap
Region ecto-entad is disposed with modulation rotor 6 and p-m rotor 7 between group stator 5；P-m rotor 7 is fixed on permanent magnetism and turns
On sub- output shaft 1, one end of p-m rotor output shaft 1 is connected by second bearing 3 and fourth bearing 10 and the modulation rotation of rotor 6
It connects, the other end of p-m rotor output shaft 1 is stretched out from an end cap of casing 4, and is connected by first bearing 2 and the rotation of casing 4
It connects；
Rotor 6 is modulated between double winding stator 5 and p-m rotor 7, one end of modulation rotor output shaft 9 is fixed
On modulation rotor 6, the other end for modulating rotor output shaft 9 is stretched out from another end cap of casing 4, and passes through third axis
8 are held to be rotatablely connected with casing 4；
There are axial air-gap L1 between modulation rotor 6 and double winding stator 5；It modulates between rotor 6 and p-m rotor 7
There are axial air-gap L2；The axis for modulating rotor output shaft 9 and p-m rotor output shaft 1 is overlapped；
Double winding stator 5 is made of stator core 5-3, the first stator winding 5-1 and the second stator winding 5-2；First is fixed
Sub- winding 5-1 is a m1Phase stator winding, when the first stator winding 5-1 is connected with m1When phase alternating current, p will forms1It is extremely right
Several rotating armature magnetic field, m1、ps1For positive integer；Second stator winding 5-2 is a m2Phase stator winding, when the second stator around
Group 5-2 is connected with m2When phase alternating current, p will forms2The rotating armature magnetic field of number of pole-pairs, m2、ps2For positive integer；
P-m rotor 7 is made of p-m rotor iron core 7-2 and multiple permanent magnet unit 7-1, and p-m rotor iron core 7-2 is circle
Dish type is symmetrical arranged permanent magnet unit 7-1 on the two side discs end faces of p-m rotor iron core 7-2, and each nose circle face is formed by
Magnetic field number of pole-pairs is pPM, pPMFor positive integer；The 2p of Surface Mount setting or insertion setting on each disk end facePMA permanent magnet unit
7-1 is uniformly arranged centered on p-m rotor output shaft 1 in radial line, and permanent magnet unit 7-1 is along axial charging, same disk
The magnetizing direction of the adjacent two pieces of permanent magnet unit 7-1 in end face is on the contrary, symmetrical two pieces of permanent magnet lists in position on two side discs end faces
First 7-1 magnetizing direction is identical；
Rotor 6 is modulated by pmA magnetic inductive block 6-1, pmA non-magnetic piece of 6-2 and rotor field spider 6-3 is constituted, pmIt is positive whole
Number；Rotor field spider 6-3 is the closed frame being made of two nose circle faces and an annulus, and be staggered p on each nose circle facemIt is a
Magnetic inductive block 6-1 and pmA non-magnetic piece of 6-2, and uniformly arranged centered on p-m rotor output shaft 1 in radial line；Magnetic inductive block
6-1 selects soft-magnetic composite material, silicon steel sheet, solid-iron or soft magnetic ferrite；
And above-mentioned parameter meets ps1=| kpPM+jpm| and ps2=kpPM, wherein k is positive integer, and j is integer.
In order to illustrate the working principle of the invention, it is illustrated for structure shown in Fig. 1~3, Figure 13~Figure 18 below.
If p-m rotor number of pole-pairs is pPM, revolving speed ΩPM, starting phase angle θPM, then p-m rotor is formed by permanent magnetism
Magnetomotive force FPM(θ, t) is represented by
F in formulak--- each harmonic magnetomotive force amplitude；
K --- permanent magnetism magnetomotive force overtone order；
θ --- mechanical angle；
T --- the time.
If the magnetic conduction block number for modulating rotor is pm, revolving speed Ωm, starting phase angle θm, then modulate under rotor effect
The space changed over time is represented by than magnetic conductance λ (θ, t)
λ in formula0、λi--- each harmonic is than magnetic conductance amplitude；
I --- harmonic ratio magnetic conductance number.
The permanent magnetic field that permanent magnet magnetic kinetic potential generates under modulation rotor effect is represented by
B in formulak--- natural harmonic field amplitude, and Bk=Fkλ0；
Bk,i--- modulation harmonic field amplitude, and Bk,i=Fkλi。
By formula (3) it is found that two class magnetic fields will be generated under the collective effect of p-m rotor and modulation rotor.The first kind is
The characteristics of natural harmonic field, such magnetic field be it magnetic field number of pole-pairs and revolving speed and the magnetomotive number of pole-pairs of p-m rotor and turn
Speed is identical, and the amplitude in such magnetic field is Bk.The characteristics of second class is to modulate harmonic field, such magnetic field is its magnetic field number of pole-pairs
Related to magnetic conduction block number in p-m rotor number of pole-pairs and modulation rotor, its rotational speed of magnetic field also turns with p-m rotor and modulation ring
Both sub revolving speed is related, and the amplitude in such magnetic field is Bk,i, it is as follows:
pk,j=| kpPM+jpm| (4)
J=0, ± 1, ± 2 ... (6)
P in formulak,j、Ωk,j--- the number of pole-pairs and synchronous angular velocity of modulation harmonic field.
According to principle of electromechanical energy conversion it is found that only under the number of pole-pairs and revolving speed same case in two magnetic field, ability
Constant torque is generated, to realize energy converting between mechanical.Therefore, the first stator winding 5-1 is designed to by winding arrangement
It can produce the armature field of identical as modulation harmonic field number of pole-pairs and revolving speed.So, the first stator winding 5-1, modulation ring turn
Son and p-m rotor just constitute the double-rotor machine of magnetic field modulation type, concrete operating principle and Chinese patent
CN101938201B, CN101951089B are identical with CN101938200B.In this case, the electromagnetism on modulation ring is acted on
Torque is equal to the sum of the electromagnetic torque of the two for acting on stator and p-m rotor, and their electromagnetic torque is contrary.
Meanwhile it modulating the torque relationship between rotor and p-m rotor and between modulation rotor and the first stator winding 5-1 and beginning
It is proportional eventually.In addition, the armature field revolving speed that the first stator winding 5-1 is generated is equal with modulation harmonic field revolving speed, because
This, can refer to formula (5) and adjusted the speed.Therefore, under being interacted by the first stator winding 5-1, modulation rotor and p-m rotor,
Modulation rotor and p-m rotor can only realize that revolving speed decouples, but the torque between them is still coupling.
The second stator winding 5-2 further be can produce into number of pole-pairs identical as natural harmonic field by winding arrangement design
With the armature field of revolving speed.So, the second stator winding 5-2 and p-m rotor just constitute a permanent magnet synchronous motor.At this point,
Second stator winding 5-2, which is only acted on p-m rotor, generates torque, without generating torque with modulation rotor.Further, since the
The armature field number of pole-pairs that one stator winding 5-1 and the second stator winding 5-2 is generated is different, therefore will not generate and turn between them
In other words, between them square will not have an impact.Therefore, it is interacted by the second stator winding 5-2 and p-m rotor, it can
Realize the torque decoupler of modulation rotor and p-m rotor.
By above-mentioned analysis it is found that the electromagnetic torque on modulation rotor is only related to the first stator winding 5-1, ring is modulated
Rotor speed is related to the revolving speed of the armature field of the first stator winding 5-1 and p-m rotor；And electromagnetic torque on p-m rotor
It is not only related to the first stator winding 5-1, but also influenced by the second stator winding 5-2, at the same the revolving speed of p-m rotor only with
The armature field revolving speed of second stator winding 5-2 is identical.Therefore, for middle tone magnetic-type axial direction integrated form electric stepless gear
For, the torque rotary speed of the torque rotary speed and p-m rotor of modulating rotor is completely independent, and which achieves from a mechanical end
Stepless shift function of the mouth (modulation rotor or p-m rotor) to another mechanical ports (p-m rotor or modulation rotor).
Compared to the brushless compound machine side in Chinese patent CN101938201B, CN101951089B and CN101938200B
For case, the present invention can save the torque in these schemes and adjust motor, therefore, this programme is simpler than these scenario-frames,
It is small in size, integrated level is high.
It is specific as follows in conjunction with FIG. 1 to FIG. 3, Figure 13~Figure 18:
The number of pole-pairs of p-m rotor is 6 in FIG. 1 to FIG. 3, and modulating magnetic conduction block number in rotor is 10.By formula (4) it is found that gas
A series of modulation harmonic field can be generated in gap.In these modulation harmonic fields, when usually k=1, j=-1, is corresponding
Modulate harmonic field amplitude maximum, that is to say, that 4 pairs of pole field amplitude maximums in modulation harmonic field.Therefore, by the first stator
Winding 5-1 can produce 4 pairs of Polar armature magnetic fields by winding arrangement design, as shown in Figure 13, Figure 14, Figure 17.And pass through control the
One stator winding 5-1 generates the revolving speed of armature field and to modulate the revolving speeds of harmonic field identical 4 pairs of poles, thus make the first stator around
Group 5-1, modulation rotor and p-m rotor realize energy converting between mechanical.
It will also realize that simultaneously by formula (4), a series of natural harmonic field can be generated in air gap, these natural harmonic fields are worked as
In, when k=1 corresponding natural harmonic field amplitude maximum, that is to say, that p-m rotor generates the natural harmonic field width of 6 pairs of pole
Value is maximum.Therefore, by the second stator winding 5-2 by winding arrangement design can produce 6 pairs of Polar armature magnetic fields, as Figure 15, Figure 16,
Shown in Figure 18.And the revolving speed of armature field and 6 pairs of extremely nature harmonic wave harmonic fields are generated by the second stator winding 5-2 of control
Revolving speed is identical, then the second stator winding 5-2 and p-m rotor achieve that energy converting between mechanical.
Further, since the armature field number of pole-pairs difference (one that the first stator winding 5-1 and the second stator winding 5-2 is generated
A is 4 pairs of Polar armature magnetic fields, the other is 6 pairs of Polar armature magnetic fields), it will not be produced according to principle of electromechanical energy conversion, between them
Raw torque.In other words, it can't interact between them.Final effect is equivalent to, the first stator winding 5-1, modulation ring
Rotor and p-m rotor are a double-rotor machines；And to be equivalent to traditional permanent magnetism same for the second stator winding 5-2 and p-m rotor
Walk motor.In this way, modulation rotor and the decoupling of p-m rotor revolving speed, but two can be achieved by the control of the first stator winding 5-1
The torque of person is coupling (not being independent)；Modulation rotor further can be achieved by the control of the second stator winding 5-2
Torque decoupler between p-m rotor.To realize the complete solution of torque rotary speed between modulation rotor and p-m rotor
Coupling.And in hybrid power system, the torque rotary speed for exactly needing to connect two shafts between engine and vehicle load is complete
Decoupling.But it is characteristic of the invention that than previous brushless composite structure motor (brushless double-rotor machine and one it is traditional
Motor is simply connected realization) it is simple and compact for structure, integrated level is much higher.
Embodiment two:
Fig. 4~Fig. 6 is the structural schematic diagram of the middle tone magnetic-type axial direction integrated form electric stepless gear in embodiment two.
The difference is that only with embodiment one: p-m rotor 7 includes pPMA permanent magnet unit 7-1, pPMA iron core protrusion
Unit 7-3 and p-m rotor iron core 7-2；Be staggered p on each disk end facePMA permanent magnet unit 7-1 and pPMA iron core is convex
Unit 7-3 is played, while they are uniformly arranged centered on p-m rotor output shaft 1 in radial line, permanent magnet unit 7-1 is along axis
To magnetizing, the magnetizing direction of the same all permanent magnet unit 7-1 in disk end face is identical, and on two side discs end faces position symmetrical two
Block permanent magnet unit 7-1 magnetizing direction is identical, and other structures and connection type are identical as embodiment one.
Iron core protrusion element 7-3 and p-m rotor iron core 7-2 is silicon steel sheet or solid-iron.
The advantages of present embodiment is the permanent magnet dosage that half is saved under the permanent magnetic field of same number of pole-pairs.
Embodiment three:
Fig. 7~Fig. 9 is the structural schematic diagram of the middle tone magnetic-type axial direction integrated form electric stepless gear in embodiment three.
Middle tone magnetic-type axial direction integrated form electric stepless gear includes casing 4, double winding stator 5, p-m rotor 7, adjusts
Rotor 6, p-m rotor output shaft 1 and modulation rotor output shaft 9 processed,
Double winding stator 5 is fixed on the end cap inner wall of casing 4；P-m rotor 7 is fixed on the one of p-m rotor output shaft 1
The other end at end, p-m rotor output shaft 1 is stretched out from an end cap of casing 4, and is connected by 3rd bearing 8 and the rotation of casing 4
It connects；
Rotor 6 is modulated between double winding stator 5 and p-m rotor 7, modulation rotor 6 is fixed on modulation rotor
On output shaft 9, one end of modulation rotor output shaft 9 is rotatablely connected by second bearing 3 and p-m rotor 7, modulates rotor
The other end of output shaft 9 is stretched out from another end cap of casing 4, and is rotatablely connected by first bearing 2 and casing 4；
There are axial air-gap L1 between modulation rotor 6 and double winding stator 5；It modulates between rotor 6 and p-m rotor 7
There are axial air-gap L2；The axis for modulating rotor output shaft 9 and p-m rotor output shaft 1 is overlapped；
Double winding stator 5 is made of stator core 5-3, the first stator winding 5-1 and the second stator winding 5-2；First is fixed
Sub- winding 5-1 is a m1Phase stator winding, when the first stator winding 5-1 is connected with m1When phase alternating current, p will forms1It is extremely right
Several rotating armature magnetic field, m1、ps1For positive integer；Second stator winding 5-2 is a m2Phase stator winding, when the second stator around
Group 5-2 is connected with m2When phase alternating current, p will forms2The rotating armature magnetic field of number of pole-pairs, m2、ps2For positive integer；
7 number of pole-pairs of p-m rotor is pPM, pPMFor positive integer；P-m rotor 7 is by p-m rotor iron core 7-2 and multiple permanent magnetism
Body unit 7-1 is constituted, and p-m rotor iron core 7-2 is disc, is symmetrical arranged on a side discs end face of p-m rotor iron core 7-2
Permanent magnet unit 7-1, the 2p of Surface Mount setting or insertion setting on disk end facePMA permanent magnet unit 7-1 is exported with p-m rotor
It uniformly arranges centered on axis 1 in radial line, along axial charging, adjacent two pieces of permanent magnet unit 7-1's fills permanent magnet unit 7-1
Magnetic direction is opposite；
Rotor 6 is modulated by pmA magnetic inductive block 6-1, pmA non-magnetic piece of 6-2 and rotor field spider 6-3 is constituted, pmIt is positive whole
Number；Along the circumferential direction be staggered magnetic inductive block 6-1 and non-magnetic piece of 6-2 on rotor field spider 6-3；Magnetic inductive block 6-1 selects soft magnetism multiple
Condensation material, silicon steel sheet, solid-iron or soft magnetic ferrite；
And above-mentioned parameter meets ps1=| kpPM+jpm| and ps2=kpPM, wherein k is positive integer, and j is integer.
The working principle of the present embodiment is the same as example 1.
Example IV:
Figure 10~Figure 12 is the structural representation of the middle tone magnetic-type axial direction integrated form electric stepless gear in example IV
Figure.
The difference is that only with embodiment three: p-m rotor 7 includes pPMA permanent magnet unit 7-1, pPMA iron core protrusion
Unit 7-3 and p-m rotor iron core 7-2；Be staggered p on disk end facePMA permanent magnet unit 7-1 and pPMA iron core protrusion is single
First 7-3, while they are uniformly arranged centered on p-m rotor output shaft 1 in radial line, permanent magnet unit 7-1 is filled along axial direction
The magnetizing direction of magnetic, all permanent magnet unit 7-1 is identical.
Iron core protrusion element 7-3 and p-m rotor iron core 7-2 is silicon steel sheet or solid-iron.
The advantages of present embodiment is the permanent magnet dosage that half is saved under the permanent magnetic field of same number of pole-pairs.
Claims (10)
1. middle tone magnetic-type axial direction integrated form electric stepless gear, which is characterized in that fixed including casing (4), two double windings
Sub (5), p-m rotor (7), modulation rotor (6), p-m rotor output shaft (1) and modulation rotor output shaft (9)；
Each outer toroid end face of two double winding stators (5) is separately fixed on the left and right end face inner wall of casing (4), double wrap
Region ecto-entad is disposed with modulation rotor (6) and p-m rotor (7) between group stator (5)；P-m rotor (7) is fixed
On p-m rotor output shaft (1), one end of p-m rotor output shaft (1) by second bearing (3) and fourth bearing (10) and
Rotor (6) rotation connection is modulated, the other end of p-m rotor output shaft (1) is stretched out from an end cap of casing (4), and is passed through
First bearing (2) and casing (4) are rotatablely connected；
Modulation rotor (6) is located between double winding stator (5) and p-m rotor (7), modulates the one end of rotor output shaft (9)
It being fixed in modulation rotor (6), the other end for modulating rotor output shaft (9) is stretched out from another end cap of casing (4), and
It is rotatablely connected by 3rd bearing (8) and casing (4)；
There are axial air-gap L1 between modulation rotor (6) and double winding stator (5)；Modulate rotor (6) and p-m rotor (7)
Between there are axial air-gap L2；The axis for modulating rotor output shaft (9) and p-m rotor output shaft (1) is overlapped；
Double winding stator (5) is made of stator core (5-3), the first stator winding (5-1) and the second stator winding (5-2)；The
One stator winding (5-1) is a m1Phase stator winding, when the first stator winding (5-1) is connected with m1When phase alternating current, it will form
ps1The rotating armature magnetic field of number of pole-pairs, m1、ps1For positive integer；Second stator winding (5-2) is a m2Phase stator winding, when
Two stator winding (5-2) are connected with m2When phase alternating current, p will forms2The rotating armature magnetic field of number of pole-pairs, m2、ps2For positive integer；
P-m rotor (7) is made of p-m rotor iron core (7-2) and multiple permanent magnet units (7-1), p-m rotor iron core (7-2)
For disc, it is symmetrical arranged permanent magnet unit (7-1) on two side discs end faces of p-m rotor iron core (7-2), each nose circle face
Being formed by magnetic field number of pole-pairs is pPM, pPMFor positive integer；
Rotor (6) are modulated by pmA magnetic inductive block (6-1), pmA non-magnetic piece (6-2) and rotor field spider (6-3) are constituted, pmIt is positive
Integer；Rotor field spider (6-3) is the closed frame being made of two nose circle faces and an annulus, is staggered on each nose circle face
pmA magnetic inductive block (6-1) and pmA non-magnetic piece (6-2), and uniformly arranged centered on p-m rotor output shaft (1) in radial line
Cloth；
And above-mentioned parameter meets ps1=| kpPM+jpm| and ps2=kpPM, wherein k is positive integer, and j is integer.
2. middle tone magnetic-type axial direction integrated form electric stepless gear according to claim 1, which is characterized in that p-m rotor
The 2p of Surface Mount setting or insertion setting on each disk end face of iron core (7-2)PMA permanent magnet unit (7-1) is defeated with p-m rotor
It uniformly arranges centered on shaft (1) in radial line, permanent magnet unit (7-1) is along axial charging, same disk end face adjacent two
The magnetizing direction of block permanent magnet unit (7-1) is on the contrary, the symmetrical two pieces of permanent magnet units (7-1) in position are filled on two side discs end faces
Magnetic direction is identical.
3. middle tone magnetic-type axial direction integrated form electric stepless gear according to claim 1, which is characterized in that p-m rotor
Be staggered p on each disk end face of iron core (7-2)PMA permanent magnet unit (7-1) and pPMA iron core protrusion element (7-3),
They are uniformly arranged centered on p-m rotor output shaft (1) in radial line simultaneously, and permanent magnet unit (7-1) is filled along axial direction
The magnetizing direction of magnetic, the same all permanent magnet units in disk end face (7-1) is identical, symmetrical two pieces of position on two side discs end faces
Permanent magnet unit (7-1) magnetizing direction is identical.
4. middle tone magnetic-type axial direction integrated form electric stepless gear according to claim 1, which is characterized in that magnetic inductive block
(6-1) selects soft-magnetic composite material.
5. middle tone magnetic-type axial direction integrated form electric stepless gear according to claim 1, which is characterized in that magnetic inductive block
(6-1) selects silicon steel sheet, solid-iron or soft magnetic ferrite.
6. middle tone magnetic-type axial direction integrated form electric stepless gear, which is characterized in that including casing (4), double winding stator
(5), p-m rotor (7), modulation rotor (6), p-m rotor output shaft (1) and modulation rotor output shaft (9),
Double winding stator (5) is fixed on the end cap inner wall of casing (4)；P-m rotor (7) is fixed on p-m rotor output shaft (1)
One end, the other end of p-m rotor output shaft (1) is stretched out from an end cap of casing (4), and passes through 3rd bearing (8) and machine
Shell (4) rotation connection；
Modulation rotor (6) is located between double winding stator (5) and p-m rotor (7), and modulation rotor (6) is fixed on modulation ring
In rotor of output shaft axle (9), one end of modulation rotor output shaft (9) is connected by second bearing (3) and p-m rotor (7) rotation
It connects, the other end for modulating rotor output shaft (9) is stretched out from another end cap of casing (4), and passes through first bearing (2) and machine
Shell (4) rotation connection；
There are axial air-gap L1 between modulation rotor (6) and double winding stator (5)；Modulate rotor (6) and p-m rotor (7)
Between there are axial air-gap L2；The axis for modulating rotor output shaft (9) and p-m rotor output shaft (1) is overlapped；
Double winding stator (5) is made of stator core (5-3), the first stator winding (5-1) and the second stator winding (5-2)；The
One stator winding (5-1) is a m1Phase stator winding, when the first stator winding (5-1) is connected with m1When phase alternating current, it will form
ps1The rotating armature magnetic field of number of pole-pairs, m1、ps1For positive integer；Second stator winding (5-2) is a m2Phase stator winding, when
Two stator winding (5-2) are connected with m2When phase alternating current, p will forms2The rotating armature magnetic field of number of pole-pairs, m2、ps2For positive integer；
P-m rotor (7) number of pole-pairs is pPM, pPMFor positive integer；P-m rotor (7) is by p-m rotor iron core (7-2) and multiple permanent magnetism
Body unit (7-1) is constituted, and p-m rotor iron core (7-2) is disc, is set on the inboard disc end face of p-m rotor iron core (7-2)
Set permanent magnet unit (7-1)；
Rotor (6) are modulated by pmA magnetic inductive block (6-1), pmA non-magnetic piece (6-2) and rotor field spider (6-3) are constituted, pmIt is positive
Integer；Along the circumferential direction be staggered magnetic inductive block (6-1) and non-magnetic piece (6-2) on rotor field spider (6-3)；
And above-mentioned parameter meets ps1=| kpPM+jpm| and ps2=kpPM, wherein k is positive integer, and j is integer.
7. middle tone magnetic-type axial direction integrated form electric stepless gear according to claim 6, which is characterized in that p-m rotor
The 2p of Surface Mount setting or insertion setting on the inboard disc end face of iron core (7-2)PMA permanent magnet unit (7-1) is defeated with p-m rotor
It uniformly arranges centered on shaft (1) in radial line, permanent magnet unit (7-1) is along axial charging, adjacent two pieces of permanent magnet units
The magnetizing direction of (7-1) is opposite.
8. middle tone magnetic-type axial direction integrated form electric stepless gear according to claim 6, which is characterized in that p-m rotor
Be staggered p on the inboard disc end face of iron core (7-2)PMA permanent magnet unit (7-1) and pPMA iron core protrusion element (7-3),
They are uniformly arranged centered on p-m rotor output shaft (1) in radial line simultaneously, and permanent magnet unit (7-1) is filled along axial direction
The magnetizing direction of magnetic, all permanent magnet units (7-1) is identical.
9. middle tone magnetic-type axial direction integrated form electric stepless gear according to claim 6, which is characterized in that magnetic inductive block
(6-1) selects soft-magnetic composite material.
10. middle tone magnetic-type axial direction integrated form electric stepless gear according to claim 6, which is characterized in that magnetic inductive block
(6-1) selects silicon steel sheet, solid-iron or soft magnetic ferrite.
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| CN201710042456.8A CN106712450B (en) | 2017-01-20 | 2017-01-20 | Middle tone magnetic-type axial direction integrated form electric stepless gear |
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| CN109921601A (en) * | 2019-03-18 | 2019-06-21 | 湖南大学 | A kind of contactless axial magnetic shaft coupling of novel high torque density |
| CN110380548B (en) * | 2019-07-25 | 2021-01-08 | 哈尔滨工业大学 | Low harmonic winding arrangement method of integrated electric stepless speed changer |
| CN112688516A (en) * | 2020-12-29 | 2021-04-20 | 福州大学 | Permanent magnet surface-mounted stator permanent magnet type axial magnetic field permanent magnet motor |
| CN114089013B (en) * | 2022-01-21 | 2022-04-29 | 华中科技大学 | Zero offset suppression method based on magnetization micro-asymmetric magnetic core group mirror image matching |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102006040118A1 (en) * | 2006-08-26 | 2008-04-10 | Zf Friedrichshafen Ag | Hybrid drive unit |
| CN102979837A (en) * | 2012-11-30 | 2013-03-20 | 江苏大学 | Permanent magnet disc brake and braking method thereof |
| CN105656283A (en) * | 2016-03-04 | 2016-06-08 | 湖南众合节能环保有限公司 | Permanent magnet flexible speed regulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006040118A1 (en) * | 2006-08-26 | 2008-04-10 | Zf Friedrichshafen Ag | Hybrid drive unit |
| CN102979837A (en) * | 2012-11-30 | 2013-03-20 | 江苏大学 | Permanent magnet disc brake and braking method thereof |
| CN105656283A (en) * | 2016-03-04 | 2016-06-08 | 湖南众合节能环保有限公司 | Permanent magnet flexible speed regulator |
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