CN105846621A - Electric rotating machine - Google Patents
Electric rotating machine Download PDFInfo
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- CN105846621A CN105846621A CN201610045257.8A CN201610045257A CN105846621A CN 105846621 A CN105846621 A CN 105846621A CN 201610045257 A CN201610045257 A CN 201610045257A CN 105846621 A CN105846621 A CN 105846621A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
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Abstract
An electric rotating machine (100) comprises a stator(10), an outer rotor (30), and an inner rotor (20), wherein the stator is provided with armature coils (14) which generate mangnetic flow due to connecting electricity; the outer rotor (30) rotates due to the passing through of the magnetic flow; and the inner rotor (20)is configured in the midway of the magnetic path of the magnetic flow passing through the inner rotor and rotates; in the electric rotating machine (100), multiple magnetic cores(32) are arranged along the periphery of the outer rotor, induction coils (34) and excitation coils(35) are enwound on the magnetic cores(32); induced current is generated in the induction coils (34) due to the interlinking of the magnetic flow generated in the armature coils, and magnetic fields are generated in the magnet exciting coils (35) due to the circulation of the induced current; multiple modulation components (21) of the soft magnet are arranged with a specified interval on the periphery on the inner rotor.
Description
Technical field
The present invention relates to the electric rotating machine of birotor type.
Background technology
Electric rotating machine is installed on various device as power source, such as, in the case of vehicle, be installed individually, as
The power source of electric automobile plays a role, or installs together with internal combustion engine, and the power source as hybrid electric vehicle plays a role.
Particularly in the case of hybrid electric vehicle, electric rotating machine, sometimes through planetary gear and combustion engine combination, is included in
It is used in the system generating electricity and driving.In this case, there are the following problems: due to be by internal combustion engine, generating motor with
And driving motor includes in system respectively together with planetary gear, thus can become to maximize, it is difficult to be equipped on dilly.
To this, in the electric rotating machine described in JP 2013-188065 publication (patent documentation 1), manage to make it have
The function of standby Composite, it is possible to play a role as generating motor, driving motor and planetary gear (gear).
Such as, as it is shown in figure 5, the electric rotating machine M described in JP 2013-188065 publication possesses: stator S is (the most right
Number A), it has the armature coil C that number of pole-pairs is 6；1st rotor R 1 (number of pole-pairs P), it has the permanent magnet that number of pole-pairs is 10
PM；And the 2nd rotor R 2 (number of poles H (A+P)), it has the magnetic pathway MP that number of poles is 16.This electric rotating machine M is following magnetic
Field modulation type dual-axle motor: magnetic field modulation principle can be utilized, make stator S, the 1st rotor R the 1 and the 2nd these 3 key elements of rotor R 2
Play a role equally with the central gear in planetary gear, interior grinding tooth wheel, carrier.
Prior art literature
Patent documentation
Patent documentation 1: JP 2013-188065 publication
Summary of the invention
The problem that invention is to be solved
But, in the case of the electric rotating machine M described in JP 2013-188065 publication, being difficult to picture can be by permanent
Ipm motor (the Interior Permanent Magnet Motor that the magnetic force former state of Magnet uses as Magnet torque；In
Put formula magneto) like that, increase torque density, obtain big output, in order to make up its torque, need to use relict flux close
Spend bigger expensive permanent magnet.
It addition, in the structure of electric rotating machine M, the variation of the magnetic flux interlinked with permanent magnet is relatively big, accordingly, it would be desirable to use
Coercive force is relatively big and heat the is demagnetized less terres rares that such as with the addition of Dy (dysprosium), Tb (terbium) such costliness expensive permanent
Magnet, such as Nd-Fe-B Magnet (neodium magnet).
Therefore, it is an object of the invention to, it is provided that do not use permanent magnet just can effectively utilize the magnetic field of Magnet torque
The electric rotating machine of modulation biaxial type.
For solving the scheme of problem
One mode of the invention solving the electric rotating machine of the problems referred to above is a kind of electric rotating machine, possesses: stator, and it has
The armature coil (sub-U イ Le) of magnetic flux is produced during energising；1st rotor, its above-mentioned magnetic flux by time rotate；And
2nd rotor, it is configured at the midway of magnetic circuit of above-mentioned magnetic flux by above-mentioned 1st rotor and rotates, in above-mentioned electric rotating machine,
Above-mentioned 2nd rotor is arranged with multiple soft magnetic bodies in a circumferential direction, is wound with induction coil and excitation wire in above-mentioned soft magnetic bodies
Circle, the interlinkage induction faradic current of the magnetic flux that above-mentioned induction coil is produced by above-mentioned armature coil, above-mentioned magnet exciting coil is above-mentioned
Producing magnetic field when faradic current passes through, be arranged with multiple flux path in above-mentioned 1st rotor, above-mentioned flux path is formed as making magnetic flux
From above-mentioned 2nd rotor-side interlinkage, and this magnetic flux is made to interlink to the 2nd rotor-side.
Thus, only by the armature coil supply of stator is driven electric current, the magnetic flux of armature coil just can be at the 2nd rotor
In interlink with the induction coil of soft magnetic bodies, produce faradic current, magnet exciting coil be energized, thus produce magnetic field (magnetic flux).
Further, the 1st rotor makes the magnetic flux produced by stator and the 2nd rotor by being arranged in the flux path of magnetic circuit midway.
Invention effect
So, according to a mode of the present invention, it is possible to produce with stator, the 1st rotor, the 2nd rotor rotate against (magnetic
Road length) corresponding torque, and as rotating torques.It addition, the magnetic field produced by the 2nd rotor can be utilized to make the 2nd turn
The magnetic pole core of son plays a role as electric magnet, utilizes Magnet torque to produce rotating torques.
Do not use what permanent magnet just can effectively utilize Magnet torque to possess the 1st rotor and the 2nd turn therefore, it is possible to provide
The electric rotating machine of the magnetic field modulation biaxial type of son.
Accompanying drawing explanation
Fig. 1 be 1/4 part of the schematic configuration representing the electric rotating machine involved by an embodiment of the invention with
The sectional view of rotating shaft direct cross.
Fig. 2 is for the cross section concept map parallel with rotary shaft that the outline of this electric rotating machine is monolithically fabricated is described.
Fig. 3 is the connection figure connecting Guan Bi circuit of the diode representing and being arranged at outer rotor.
Fig. 4 A and Fig. 4 B represents the Guan Bi circuit different from the Guan Bi circuit of Fig. 3, and Fig. 4 A is the reality representing the present invention
Executing the connection figure of the 1st Guan Bi circuit of 1/4 part of electric rotating machine involved by mode, Fig. 4 B is to represent the Guan Bi electricity with Fig. 4 A
The connection figure of the 2nd Guan Bi circuit of road difference arrangement.
Fig. 5 is that the outline of the electric rotating machine representing the magnetic field modulation biaxial type with present embodiment different structure is monolithically fabricated
The sectional view with rotating shaft direct cross.
Fig. 6 is the coordinate diagram of the torque characteristics of the electric rotating machine representing present embodiment.
Description of reference numerals
10 stators
12 stator tooths
14 armature coils
20 internal rotors (the 1st rotor)
21 modulation component (flux path)
22 spaces
30 outer rotors (the 2nd rotor)
32 magnetic pole core
34 induction coils
35 magnet exciting coils
37A, 37B diode
39,39q1,39q2 close circuit
100 electric rotating machines
101 inner rotary shaft
102 outer rotary shaft
G1, G2 air gap
Detailed description of the invention
Below, referring to the drawings, embodiments of the present invention are explained.Fig. 1～Fig. 6 is the reality that the present invention is described
Execute the figure of electric rotating machine involved by mode.
In fig. 1 and 2, electric rotating machine (double rotor type motor) 100 possesses: stator 10, it is shaped generally as cylindrical shape
Shape；Outer rotor (the 2nd rotor) 30, it is rotatably accommodated in this stator 10, is fixed with the outer rotary shaft consistent with axle center
(being also called for short rotary shaft) 102；And internal rotor (the 1st rotor) 20, it is rotatably accommodated in this outer rotor 30, is fixed with
The inner rotary shaft (be also called for short rotary shaft) 101 consistent with axle center.Fig. 1 illustrates the footpath of 90 degree (1/4) in mechanical angle 360 degree
To sectional view.
In stator 10, it is arranged with in the circumferential at the many radially extending stator tooths 12 towards axle center.Stator tooth
12 to make outer peripheral face 32a shape in the way of air gap G1 is relative of inner peripheral surface 12a side and the magnetic pole core 32 of outer rotor 30 described later
Become.
In stator 10, between the opposed facing side 12b of adjacent stator tooth 12, it is formed with groove 13, sets in groove 13
Have and winding coil is distributed the armature coil 14 being entwined.The magnetic flux making armature coil 14 is powered and produce and internal rotor
20, outer rotor 30 interlinks, thus drives these rotors 20,30 to rotate respectively.
In internal rotor 20, including the steel that permeability is high etc., the modulation component (magnetic circuit component) 21 of soft magnetic bodies is with its circumference
The mode that extends at direction of principal axis of both ends arrange in the circumferential.Modulation component 21 involved by present embodiment for example formed as
It is similar to the shape of U-shaped.It addition, modulation component 21 such as with the axial end side of internal rotor 20 by discoid 1st end
Plate 25A links support, and, another side axial is formed the 2nd end plate 25B of concentric annular and links the side supported
Formula is constituted, and is formed as the rotor form of so-called cage-shaped motor.
Internal rotor 20 is formed as follows: make the week modulating component 21 and this modulation component 21 that magnetic flux preferably passes through
The space 22 not allowing magnetic flux pass through between both ends upwards replaces continuous arrangement, the magnetic pole of outer rotor 30 described later in the circumferential
The outer face 21a at the both ends separated in the circumferential of the inner peripheral surface 32c of core 32 and modulation component 21 and modulation component 21
Two outer face 21a between space 22 relative.
In internal rotor 20, the armature coil 14 of stator 10 magnetic flux produced efficiently by modulation component 21, and
This magnetic flux by being hindered at space 22.The magnetic flux produced by the armature coil 14 of stator 10 is at the tune by internal rotor 20
Before and after component 21 processed, as described later, interlink with the outer peripheral face 32a of magnetic pole core 32, the inner peripheral surface 32c of outer rotor 30 and pass through, from
And form the magnetic loop returning stator 10.
Internal rotor 20 is drawn by outer rotor 30 described later and rotates against relative to stator 10, therefore, forms modulation structure
The magnetic loop that part 21 and space 22 switch repeatedly, above-mentioned modulation component 21 makes this magnetic flux pass through, above-mentioned space through outer rotor 30
22 limit magnetic flux passes through.
Therefore, in this internal rotor 20, produce make between internal rotor 20 and stator 10, outer rotor 30 through air gap G1, after
The air gap G2 that states and the shortest torque (revolving force) of the magnetic circuit of magnetic flux that passes through, therefore, outer rotor 30 can be relative to stator 10
Rotate against.
In outer rotor 30, being arranged with many magnetic pole core 32 in the circumferential, above-mentioned many magnetic pole core 32 are towards relative to axle
Radially extending of the heart, the soft magnetic bodies such as including the steel that permeability is high.The outer peripheral face 32a of magnetic pole core 32 and the stator tooth 12 of stator 10
Inner peripheral surface 12a relative across air gap G1, it addition, the two of the modulation component 21 of the inner peripheral surface 32c of magnetic pole core 32 and internal rotor 20
Outer face 21a is relative across air gap G2.
The magnetic pole core 32 of outer rotor 30 is such as positioned at discoid 1st end plate of the axial end side of outer rotor 30
35A and concentric the 2nd annular end plate 35B that is formed as being positioned at another side axial links support, is formed as so-called
The rotor form of cage-shaped motor.
Space between the relative side 32b of adjacent magnetic pole core 32 is used as groove 33, in stator 10 side of magnetic pole core 32
It is wound with induction coil 34, is wound with magnet exciting coil 35 in internal rotor 20 side of magnetic pole core 32.
Induction coil 34 at the winding being formed radially equidirectional of outer rotor 30, uses and concentrates in each magnetic pole core 32
The mode of winding, arranges in the circumference of outer rotor 30, and induction coil 34 is connected in series every 1 magnetic pole core 32, these 2 series connection
The both ends of connection line are connected in parallel.
In outer rotor 30, including the asynchronous magnetic flux from stator 10 of the composition do not modulated by the rotation of internal rotor 20
Interlink with the outer peripheral face 32a of magnetic pole core 32.Thus, in electric rotating machine 100, the magnetic interlinked with the induction coil 34 of outer rotor 30
Logical include not by internal rotor 20 modulate (rotation with outer rotor 30 is asynchronously) composition of changing, therefore, it is possible to
Faradic current is produced in induction coil 34.Further, utilize diode 37A, 37B described later that this faradic current is carried out rectification to make
It becomes DC excitation electric current and is energized magnet exciting coil 35 such that it is able to make magnetic pole core 32 play a role as electric magnet and produce
Raw magnetic flux.
Magnet exciting coil 35 forms rightabout winding in adjacent magnetic pole core 32, uses the mode concentrating winding,
Arranging in the circumference of outer rotor 30, the both ends of its coil connect outer circumferential side and the center axis of outer rotor 30, and magnet exciting coil 35 is complete
Portion is connected in series.This magnet exciting coil 35 is supplied exciting current, thus being excited, play a role as electric magnet.
As it is shown on figure 3, induction coil 34 and magnet exciting coil 35 form Guan Bi circuit 39 together with diode 37A, 37B, close
Closing circuit 39 is that the loop that is formed by connecting as follows is constituted: diode 37A, 37B are respectively by by every the induction coil of 1
The faradic current rectification of 34 produced exchanges is a direction, is supplied to magnet exciting coil 35 as DC excitation electric current.
This loop is utilized to constitute, it is possible to using the faradic current rectification produced by induction coil 34 and to make to encourage as exciting current
Magnetic coil 35 excitation, so that magnetic pole core 32 plays a role as electric magnet.
Even if diode 37A, 37B are in the case of making induction coil 34, magnet exciting coil 35 multipolarization, also it is by series connection
Connect and suppress usage quantity, use in order to avoid a large amount of, be not all wave rectification loop forming general H bridge type, but
Form the halfwave rectifier loop of Neutral Point Clamped, in the way of differing 180 degree of phase contrasts respectively, connect diode 37A, 37B,
The faradic current making a side is anti-phase and carries out halfwave rectifier output.
Electric rotating machine 100 can also be constructed in the way of mechanical angle 360 degree to be divided into 4 parts of each 90 degree.?
In this case, as shown in Figure 4 A and 4 B shown in FIG., Guan Bi circuit 39 is to be split to form by 1/4 part of respectively 90 degree of mechanical angles
Guan Bi circuit 39q1 or 39q2 loop constitute.In Guan Bi circuit 39q1,39q2,5 magnet exciting coil 35 all companies of series connection
Connecing, and induction coil 34 is divided into 3 to be connected in series with 2 is connected in series, these 2 series-connected wires are connected in parallel.
Specifically, as shown in Figure 4 A, Guan Bi circuit 39q1 is set to 3 sides being connected in series in a rotational direction exist
Front pattern, as shown in Figure 4 B, is set to 2 preceding moulds in the side being connected in series in a rotational direction by Guan Bi circuit 39q2
Formula, is respectively configured as the point-symmetric position relationship centered by axle center by Guan Bi circuit 39q1,39q2.In this case,
The faradism flow produced by induction coil 34 and phase relation thereof are also the number of poles according to stator 10 (armature), internal rotor 20
The number of poles of (magnetic pathway) and the difference of the number of poles of outer rotor 30 (electric magnet) and different, therefore, not necessarily by
The ratio of serial number determines.Further, since be that Guan Bi circuit 39q1,39q2 are configured at point-symmetric position, therefore, will not
Reduce gyrating mass.
In the magnet exciting coil 35 of Guan Bi circuit 39, adjacent magnetic pole core 32 coiling direction each other is reverse.Thus,
One magnetic pole core 32 of the outer rotor 30 constituting a part of magnetic loop is magnetized and as making the S pole electromagnetism relative with internal rotor 20
Ferrum plays a role, and S pole is the direction of the magnetic flux making interlinkage modulation component 21 sensing from internal rotor 20.It addition, adjacent another
Individual magnetic pole core 32 is magnetized and plays a role as the electric magnet making N pole relative with internal rotor 20, and N pole is to make magnetic flux to internal rotor
The direction of 20 side sensings.
As it has been described above, in outer rotor 30, including the composition do not modulated by the rotation of internal rotor 20 from stator 10
Asynchronous magnetic flux interlink with the outer peripheral face 32a of magnetic pole core 32.Thus, electric rotating machine 100 can make and the line of induction of outer rotor 30
The magnetic flux of circle 34 interlinkage changes, and produces faradic current in induction coil 34.Further, it is possible to utilize diode 37A, 37B
This faradic current carries out rectification become DC excitation electric current and magnet exciting coil 35 is energized, thus, make magnetic pole core 32 make
Play a role for electric magnet and produce magnetic flux.
And, in outer rotor 30, interior with the magnetic flux from stator 10 that modulation component 21 interlinks through magnetic pole core 32
The rotation of rotor 20 is modulated, and the magnetic flux after this modulation is Tong Bu with the rotation of outer rotor 30.Thus, electric rotating machine 100 can produce
Raw torque.
At this moment, from the stator tooth 12 of stator 10 and the magnetic flux that interlinks with the magnetic pole core 32 of outer rotor 30 be by alternating current power supply
The armature coil 14 being entwined distribution is powered and is produced.
In the present embodiment, armature coil 14 uses Distributed Winding, it is also possible to concentrate winding to arrange.Using
In the case of concentratred winding, compared with situation about being produced by the coil of Distributed Winding, it is possible to make more higher harmonic component weight
It is laminated on the magnetic flux interlinked with magnetic pole core 32.The higher harmonic component overlapping with magnetic flux should play the work making magnetic flux change
With, therefore, it is possible to effectively produce faradic current in induction coil 34, it is possible to magnet exciting coil 35 to be supplied bigger excitation electricity
Stream, produces electromagnetic force.
Therefore, electric rotating machine 100 makes to power the armature coil 14 of stator 10 and the tune of the magnetic flux that produces and internal rotor 20
Component 21 processed interlinkage ground passes through such that it is able to drive this internal rotor 20 to rotate.
At this moment, it is possible to make the higher hamonic wave magnetic flux overlapping with the magnetic flux produced by the armature coil 14 of stator 10 and outer rotor
The induction coil 34 of 30 interlinks and produces faradic current, it is possible to utilizes diode 37A, 37B that this faradic current is carried out rectification and makes
It becomes DC excitation electric current and is supplied to magnet exciting coil 35, thus produces magnetic flux.
And, the magnet exciting coil 35 of outer rotor 30 also serves as the inner peripheral surface making N pole or S pole with the stator tooth 12 of stator 10
Electric magnet relative for 12a plays a role, therefore, it is possible to utilize Magnet torque actuated outer rotor 30 to rotate relative to this stator 10.
That is, in electric rotating machine 100, it is not provided with permanent magnet and Magnet torque (revolving force) just can be utilized to make outer rotor 30 phase
Stator 10 is rotated against.In this outer rotor 30, make in the way of the direction of magnetization (N pole, S pole) circumferentially alternate
The magnetic pole core 32 of arrangement plays a role as electric magnet, thus, it is possible to make the magnetic interlinked between outer rotor 30 with internal rotor 20
Lead to successfully roundabout in groove 33 and join.
In electric rotating machine 100, internal rotor 20 rotates against relative to stator 10, it addition, via the internal rotor of this rotation
The outer rotor 30 that the magnetic flux of 20 (modulation components 21) is interlinked rotates against relative to internal rotor 20 due to Magnet torque, because of
This, it is possible to make internal rotor 20 low speed rotation and make outer rotor 30 high speed rotating.
It addition, electric rotating machine 100 produces above-mentioned rotation according to stator 10, internal rotor 20 and the structure of outer rotor 30
Torque needed for driving.Specifically, when the number of pole-pairs of the armature coil 14 of stator 10 is set to A, using as internal rotor 20
The quantity of the modulation component 21 of number of poles is set to H, using the number of pole-pairs of the magnetic pole core (electric magnet) 32 of the number of pole-pairs as outer rotor 30
When being set to P, obtain the combination making following formula (1) set up.
H=| A ± P | ... (1)
In the structure shown here, it is possible to effectively produce torque, internal rotor 20 and outer rotor 30 are made relative to stator 10 efficiently
Rotate against.Such as, in the electric rotating machine 100 of present embodiment, number of pole-pairs A=6 of the armature coil 14 of stator 10, interior turn
The modulation number of poles H=16 of component 21 of sub 20, number of pole-pairs P=10 of the magnetic pole core 32 of outer rotor 30, meet above-mentioned formula (1).
Further, in electric rotating machine 100, in stator 10, outer rotor 30 rotatably it is accommodated with, and, at this outer turn
Son 30 in be rotatably accommodated with internal rotor 20, be respectively equipped with in internal rotor 20 and outer rotor 30 coaxial rotating integratedly
Rotary shaft 101 and outer rotary shaft 102.
Therefore, as in figure 2 it is shown, electric rotating machine 100 becomes the structure of following magnetic field modulation type dual-axle motor: can be with planet
Accordingly, stator 10 is as central gear, and internal rotor 20 is as carrier, and outer rotor 30 plays as interior grinding tooth wheel to be made for gear
With, therefore, it is possible to utilize magnetic field modulation principle to transmit power.Additionally, in the electric rotating machine 100 involved by present embodiment, with
The mode that the internal rotor 20 that modulation component 21 is formed plays a role as carrier is constituted.
Utilize this structure, although eliminate diagram, but such as acted as with electromotor (internal combustion engine) by electric rotating machine 100
In the case of being installed on hybrid vehicle for driving source, it is possible to by by the inner rotary shaft 101 of internal rotor 20 and outer rotor 30
Outer rotary shaft 102 power transfer path with vehicle respectively directly link, via inverter by the battery of vehicle and stator 10
Armature coil 14 connect, thus, while as driving source, also serve as Poewr transmission mechanism play a role.
It addition, as it is shown in figure 5, the electric rotating machine M described in JP 2013-188065 publication is configured to following magnetic field tune
Type dual-axle motor processed: in number of pole-pairs A=6 of armature coil C of stator S, number of pole-pairs P=of the permanent magnet PM of outer rotor R1
10, in the structure of the number of poles H (A+P)=16 of modulation component (magnetic circuit) MP of internal rotor R2, magnetic field modulation principle is utilized, with planet
Central gear in gear, interior grinding tooth wheel, carrier play a role equally.
To this, electric rotating machine 100 meets above-mentioned formula (1), is configured with modulation component (magnetic circuit) 21 in internal rotor 20,
Outer rotor 30 is configured with electric magnet (magnetic pole core 32).Thus, electric rotating machine 100 can be with turning of being equal to this electric rotating machine M
Rectangular waveform carries out rotating driving.Fig. 6 represents the coordinate diagram of the torque characteristics of electric rotating machine 100.The outer rotor 30 of electric rotating machine 100
The electromagnetic force utilized the number of turn of induction coil 34 and magnet exciting coil 35 by being wound in magnetic pole core 32 can adjust its volume
Around amount, ratio, therefore, it is possible to produce optimal faradic current, exciting current, obtain sufficient torque.
So, in the electric rotating machine 100 of present embodiment, internal rotor 20 configures multiple modulation component 21, outside
Induction coil 34 and magnet exciting coil 35 is configured in the magnetic pole core 32 of rotor 30.Further, in outer rotor 30, including not by internal rotor
Interlinking from the asynchronous magnetic flux of stator 10 and the outer peripheral face 32a of magnetic pole core 32 of the composition that the rotation of 20 is modulated.Thus, rotate
The magnetic flux that motor 100 can make the induction coil 34 with outer rotor 30 interlink changes, and produces sensing in induction coil 34
Electric current.Further, it is possible to utilize diode 37A, 37B that this faradic current carries out rectification become DC excitation electric current and to encouraging
Magnetic coil 35 is energized, so that magnetic pole core 32 plays a role as electric magnet and produces magnetic flux.
Thus, in electric rotating machine 100, do not use permanent magnet just can make the magnetic flux produced by stator 10 and by turning outward
The magnetic flux that son 30 produces returns stator 10 via internal rotor 20 (modulation component 21), it is possible to form the magnetic loop of Guan Bi.
Therefore, electric rotating machine 100 can produce the torque making the length of magnetic path in this magnetic loop the shortest and as rotation
Walk around square.It addition, the Magnet torque that the magnetic pole core 32 making outer rotor 30 can be utilized to play a role as electric magnet and produce comes
Produce rotating torques.
Do not use what permanent magnet just can effectively utilize Magnet torque to possess internal rotor 20 He as a result of which it is, can provide
The electric rotating machine 100 of the magnetic field modulation biaxial type of outer rotor 30.
Induction coil 34 is to concentrate at the periphery lateral equidirectional of the magnetic pole core 32 of outer rotor 30 to be entwined, excitation
Coil 35 is to carry out concentrating being entwined with alternately changing coiling direction at the center axis of this magnetic pole core 32.Therefore, rotating
In motor 100, it is possible to make the magnetic flux produced by the armature coil 14 of stator 10 via internal rotor 20 (modulation component 21) and sensing
Coil 34 effectively interlinks and produces faradic current efficiently, it is possible to make the coiling direction according to magnet exciting coil 35 and be magnetized and
The N pole of the electric magnet become is alternately relative with the modulation component 21 of internal rotor 20 with S pole, forms suitable magnetic loop.
The 2nd mode as present embodiment, although eliminate diagram but it also may in the magnetic pole core 32 of outer rotor 30
Bury permanent magnet underground.So that magnetic pole (N pole, S pole) makes magnetic pole core 32 as electromagnetism with utilizing diode 37A, 37B to carry out rectification
The mode that direction of magnetization when ferrum plays a role is consistent configures this permanent magnet.In this case, it is possible to make magnetic pole core 32
The magnetic force of electric magnet plays a role plus the magnetic force of permanent magnet, it is possible to produce bigger magneticaction, drives outer rotor 30 (outer
Rotary shaft 102) rotate with bigger torque.As long as utilizing induction coil 34 to play a role additionally, this permanent magnet produces auxiliary
The magnetic force of electromagnetic force be sufficient to, therefore, it is not necessary to be the permanent magnet that such as neodium magnet is the most rare and expensive, as long as using
Can stably supply and cheap kind.In addition it is also possible to use the permanent magnet that neodium magnet is the most rare and expensive,
In this case, it is possible to stablized and bigger torque.
And, as the 3rd mode of present embodiment, it is not limited to electric rotating machine 100 and is so being formed radially air gap G1, G2
Radial clearance structure, it is also possible to constituted with the axial gap structure in formation gap, rotary shaft direction.In this case,
Also it is to be respectively configured armature coil, magnetic circuit component, induction coil in stator and the 2 group rotor sides of direction of principal axis arrangement.
It addition, in the case of electric rotating machine 100 such radial clearance structure, be not limited to be tied by the stacking of electromagnetic steel plate
Structure constitutes stator 10, internal rotor 20, outer rotor 30, such as, can also use following so-called SMC core, it may be assumed that have iron powder etc.
The surface of the granule of magnetic carries out insulating wrapped process and obtains soft magnetism composite powder material (Soft Magnetic
Composites), the press-powder magnetic this soft magnetism composite powder material being carried out iron powder compression forming and heat treatment further and produce
Core.This easy molding of SMC core, is consequently adapted to axial gap structure.
It addition, electric rotating machine 100 is not limited to vehicle-mounted, such as, can suitably be used as driving of wind-power electricity generation, work mechanism etc.
Dynamic source.
Although disclosing embodiments of the present invention, it will be apparent that those skilled in the art can be without departing from the present invention
Scope in the case of change.It is intended to all such amendments and equivalent are all contained in claim above.
Claims (3)
1. an electric rotating machine, possesses:
Stator, it produces the armature coil of magnetic flux when having energising；
1st rotor, its above-mentioned magnetic flux by time rotate；And
2nd rotor, it is configured at the midway of magnetic circuit of above-mentioned magnetic flux by above-mentioned 1st rotor and rotates,
Above-mentioned electric rotating machine is characterised by,
Above-mentioned 2nd rotor is arranged with multiple soft magnetic bodies in a circumferential direction, is wound with induction coil and encourages in above-mentioned soft magnetic bodies
Magnetic coil, the interlinkage induction faradic current of the magnetic flux that above-mentioned induction coil is produced by above-mentioned armature coil, above-mentioned magnet exciting coil exists
Magnetic field is produced when above-mentioned faradic current passes through,
Being arranged with multiple flux path in above-mentioned 1st rotor, above-mentioned flux path is formed as making magnetic flux from above-mentioned 2nd rotor top-cross
Chain, and make this magnetic flux interlink to the 2nd rotor-side.
Electric rotating machine the most according to claim 1, wherein,
In above-mentioned 2nd rotor, above-mentioned induction coil is configured at said stator side, and above-mentioned magnet exciting coil is configured at above-mentioned 1st turn
Sub-side.
Electric rotating machine the most according to claim 1 and 2, wherein,
It is identical that above-mentioned induction coil is formed as the winding direction of this induction coil of winding in adjacent above-mentioned soft magnetic bodies, above-mentioned
The winding direction that magnet exciting coil is formed as at this magnet exciting coil of adjacent above-mentioned soft magnetic bodies winding is contrary.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015015430A JP6476920B2 (en) | 2015-01-29 | 2015-01-29 | Rotating electric machine |
| JP2015-015430 | 2015-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105846621A true CN105846621A (en) | 2016-08-10 |
| CN105846621B CN105846621B (en) | 2019-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610045257.8A Active CN105846621B (en) | 2015-01-29 | 2016-01-22 | Rotating electric machine |
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| Country | Link |
|---|---|
| JP (1) | JP6476920B2 (en) |
| CN (1) | CN105846621B (en) |
| DE (1) | DE102016201094A1 (en) |
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| DE102021123212A1 (en) | 2021-09-08 | 2023-03-09 | Albert Lankl | Electric machine with two stators and two rotors |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103312102A (en) * | 2012-03-09 | 2013-09-18 | 株式会社电装 | Magnetic modulation motor and electric transmission |
| CN103730997A (en) * | 2014-01-06 | 2014-04-16 | 南京航空航天大学 | Excitation integrated type brushless synchronous motor |
| JP2014166023A (en) * | 2013-02-25 | 2014-09-08 | Toyota Central R&D Labs Inc | Rotary electric machine system |
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| JP5573769B2 (en) * | 2011-05-13 | 2014-08-20 | 株式会社デンソー | Rotating electrical machine apparatus, vehicle driving apparatus, rotating electrical machine control method, and vehicle driving apparatus control method |
| JP5761084B2 (en) * | 2012-03-09 | 2015-08-12 | 株式会社デンソー | Magnetic modulation motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103312102A (en) * | 2012-03-09 | 2013-09-18 | 株式会社电装 | Magnetic modulation motor and electric transmission |
| JP2014166023A (en) * | 2013-02-25 | 2014-09-08 | Toyota Central R&D Labs Inc | Rotary electric machine system |
| CN103730997A (en) * | 2014-01-06 | 2014-04-16 | 南京航空航天大学 | Excitation integrated type brushless synchronous motor |
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| JP2016140220A (en) | 2016-08-04 |
| CN105846621B (en) | 2019-03-26 |
| DE102016201094A1 (en) | 2016-08-04 |
| JP6476920B2 (en) | 2019-03-06 |
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