CN102361380B - Transverse-radial magnetic flux structure brushless combined type permanent magnet motor - Google Patents
Transverse-radial magnetic flux structure brushless combined type permanent magnet motor Download PDFInfo
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- CN102361380B CN102361380B CN 201110365248 CN201110365248A CN102361380B CN 102361380 B CN102361380 B CN 102361380B CN 201110365248 CN201110365248 CN 201110365248 CN 201110365248 A CN201110365248 A CN 201110365248A CN 102361380 B CN102361380 B CN 102361380B
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Abstract
The invention relates to a transverse-radial magnetic flux structure brushless combined type permanent magnet motor and belongs to the technical field of permanent magnet motors. The transverse-radial magnetic flux structure brushless combined type permanent magnet motor solves the problems that the whole system has large volume, a complex structure and limited performance, cannot effectively output power, and is high in cost because the engines in the conventional series, parallel and series-parallel combined type drive devices cannot be matched with other parts of the system simply and efficiently. The transverse-radial magnetic flux structure brushless combined type permanent magnet motor comprises a shell and end covers, wherein the end covers are arranged at two ends of the shell; a transverse magnetic flux double-rotor motor and a radial torque adjusting motor are arranged in the shell in parallel; power is supplied through two motors with different frequency; variable torque difference can be provided by a stator winding for adjusting the radial torque adjusting motor; and variable rotating speed difference can be provided through a stator winding for adjusting the transverse magnetic flux double-rotor motor and the stator winding for adjusting the radial torque adjusting motor simultaneously. Constantly-changing rotating speed and torque are provided by the vehicle engine according to the actual road condition requirement.
Description
Technical field
The present invention relates to transverse-radial magnetic flux structure brushless combined type permanent magnet motor, belong to the technical field of magneto.
Background technology
The fuel consume of traditional combustion engine automobile and tail gas pollution are the hot issues of worldwide attention.Comparatively speaking, electric automobile then has the characteristics of low energy consumption, low emission.Yet on-vehicle battery still has the problems such as energy density is low, the life-span is short, price is high as one of critical component of electric automobile, so that the cost performance of electric automobile and traditional internal-combustion engines vehicle have larger gap.In order to address this is that, merge the hybrid vehicle of internal-combustion engines vehicle and electric automobile advantage, become the focus scheme of new automobile exploitation, and obtained rapidly development.
The existing tandem drive unit of hybrid vehicle is characterized in: can make engine not be subjected to the impact of automobile running working condition, operate in all the time best service area, and optionally use lower-powered engine, but require the power of generator and motor enough large.In this structure, the output of engine will all be converted into electric energy and be converted to the mechanical energy that drives automobile again, be subject to lower energy converting between mechanical and the efficient of battery charging and discharging, so that the utilance of fuel oil energy is lower.Relatively, parallel drive unit then has the higher characteristics of capacity usage ratio, but its engine can be subject to the impact of automobile running working condition, therefore is unsuitable for changing frequently driving cycle.In addition, than series-mode frame, parallel structure also needs more complicated speed change gear, Power compound device and transmission mechanism.Different from above two kinds of type of drive, the series parallel type drive unit adopts two motors to realize simultaneously the torque and rotational speed control of engine, and can improve the efficient of engine and reduce discharging, has preferably runnability, but need to realize by planetary gear the distribution of power, complex structure, cost is higher.Therefore in above-mentioned drive unit, the problem that exists engine and system's miscellaneous part simply efficiently not to cooperate, thus make whole system have the problems such as volume heaviness, complex structure, high expensive, performance be limited, and can not effectively output power.
Summary of the invention
Engine and system's miscellaneous part can not simply efficiently cooperate in existing tandem, the parallel and series parallel type drive unit in order to solve in the present invention, thereby make whole system exist volume heaviness, complex structure, high expensive, performance limited, and the problem that can not effectively output power the invention provides a kind of transverse-radial magnetic flux structure brushless combined type permanent magnet motor.
The brushless composite permanent magnet motor of transverse radial flux structure of the present invention, it comprises housing and end cap, the two ends of housing are provided with end cap, in housing, be set side by side with transverse magnetic flux double-rotor machine and torque adjustment motor radially, described transverse magnetic flux double-rotor machine comprises the first stator, the transverse magnetic flux rotor, the first p-m rotor, p-m rotor output shaft and transverse magnetic flux rotor of output shaft axle, described radially torque adjustment motor comprises the second stator and the second p-m rotor, the simultaneously conduct of transverse magnetic flux rotor of output shaft axle is the armature spindle of torque adjustment motor radially
The second stator of described radially torque adjustment motor is fixed on the madial wall of housing, and the second p-m rotor is fixed on the transverse magnetic flux rotor of output shaft axle, between the second stator and the second p-m rotor air gap is arranged radially, and described width of air gap is L3; The second stator is comprised of the second stator winding and the second stator core;
The first stator of described transverse magnetic flux double-rotor machine is fixed on the madial wall of housing, the first p-m rotor is fixed on the p-m rotor output shaft, the transverse magnetic flux rotor is between the first stator and the first p-m rotor, described transverse magnetic flux rotor is fixed on the transverse magnetic flux rotor of output shaft axle, and described transverse magnetic flux rotor is connected with the p-m rotor output shaft rotation by bearing; Between transverse magnetic flux rotor and the first stator air gap is arranged, described width of air gap is L1; Between described transverse magnetic flux rotor and the first p-m rotor air gap is arranged, described width of air gap is L2;
The first stator by the identical facies unit of m structure vertically close-packed arrays form; Each facies unit consists of by the first stator core and the first stator winding; The cross section of each the first stator core is " recessed " font, and the opening surface of " recessed " font is to the transverse magnetic flux rotor, and the first stator winding is embedded in the opening of described " recessed " font;
The transverse magnetic flux rotor is comprised of support section and m transverse magnetic flux unit, and each transverse magnetic flux unit contains n to the transverse magnetic flux rotor tooth, and all transverse magnetic flux rotor tooths are fixed on the support section; M transverse magnetic flux unit is evenly arranged along the axial, and each transverse magnetic flux unit is corresponding with a facies unit in the first stator respectively,
The n of each transverse magnetic flux unit to the transverse magnetic flux rotor tooth be divided into parallel about two row, every row transverse magnetic flux rotor tooth is circular along the even circumferential distribution and constitution; Spacing in the same column between adjacent two transverse magnetic flux rotor tooths is d, and two corresponding transverse magnetic flux rotor tooths of position are positioned on the same bus of transverse magnetic flux rotor in two row, and forms a pair of utmost point of transverse magnetic flux rotor; The both sides projection of " recessed " font opening of the first stator core that two annulus that two row transverse magnetic flux rotor tooths in each transverse magnetic flux unit form along circumference are corresponding with the position aligns respectively;
Adjacent transverse magnetic current element 1/m adjacent two the shared space angles of transverse magnetic flux rotor tooth spacing d of same column doubly that stagger in the circumferential direction of the circle;
The first p-m rotor is made of the first p-m rotor iron core and m the first permanent magnet unit, the external peripheral surface of the first p-m rotor iron core is provided with m the first permanent magnet unit, m the first permanent magnet unit evenly distributes vertically, and each first permanent magnet unit is corresponding with a transverse magnetic flux unit
Each first permanent magnet unit is provided with the unshakable in one's determination and n of m the first rotor to the first rotor permanent magnet, described n to the first rotor permanent magnet be divided into parallel about two row, the first rotor permanent magnet in every row is circular along the even circumferential distribution and constitution; The corresponding the first rotor permanent magnet in position is positioned on the same bus of the first p-m rotor in two row, and forms a pair of utmost point of the first p-m rotor; Two row the first rotor permanent magnets in each first permanent magnet unit align respectively the shape of the first rotor permanent magnet end face and transverse magnetic flux rotor tooth bottom surface, measure-alike along two row transverse magnetic flux rotor tooths in two annulus of circumference composition transverse magnetic flux unit corresponding with the position along two annulus that circumference forms; Described the first rotor permanent magnet radially magnetizes, and the magnetizing direction of every pair of two the first rotor permanent magnets in extremely is opposite, and the magnetizing direction of the adjacent two the first rotor permanent magnets of same column is also opposite; The first rotor permanent magnet embeds in the outer surface of the first rotor iron core or is fixed on the outer surface of the first rotor iron core; The shared space angle of spacing of adjacent two the first rotor permanent magnets of same column is half of adjacent two the shared space angles of transverse magnetic flux rotor tooth spacing d of same column in the transverse magnetic flux rotor;
Described m and n are the integer greater than 0.
Advantage of the present invention: transverse-radial magnetic flux structure brushless combined type permanent magnet motor of the present invention is powered to the first stator and the second stator respectively by two power supplys of different frequency; Winding on the second stator produces a rotating magnetic field, drags the synchronized in the same way rotation of p-m rotor; Whole the first stator forms the annular magnetic pole that m changes alternating polarity, modulate by the transverse magnetic flux rotor in annular magnetic pole magnetic field, form the magnetic pole of the alternating polarity variation of a plurality of circumferencial directions distributions at the transverse magnetic flux rotor inner surface, produce relatively rotation between the principle transverse magnetic flux rotor of inhaling mutually according to homopolar-repulsion, heteropole and the p-m rotor, so just formed the speed discrepancy between transverse magnetic flux rotor and the p-m rotor; Electromagnetic torque between transverse magnetic flux rotor and the p-m rotor is equal and opposite in direction, opposite direction; Can at the additional electromagnetic torque (can just can bear) of p-m rotor, so just form the torque differences between transverse magnetic flux rotor and the p-m rotor after the energising of the second stator.
Transverse-radial magnetic flux structure brushless combined type permanent magnet motor of the present invention is brushless structure, the armature winding of two stators does not all need rotation, has overcome that the operational efficiency that adopts brush structure to cause descends, reliability reduces and often need to the problem such as safeguard to parts such as brushes.
Transverse-radial magnetic flux structure brushless combined type permanent magnet motor of the present invention is applicable to need to be in the industrial technology that two mechanical rotating shafts of different rotating speeds are worked simultaneously.
For example: when transverse-radial magnetic flux structure brushless combined type permanent magnet motor of the present invention is applied in the hybrid vehicle, it can be installed between engine and the main reducing gear, can provide variable torque differences by the electric current of regulating the second stator winding, by regulating the frequency of supply of the first stator and the second stator winding, can provide variable speed discrepancy simultaneously.Actual road conditions need automobile engine that rotating speed and the torque of continuous variation are provided, and existing automobile engine can only realize in torque rotary speed district very among a small circle high efficiency and low emission work, the present invention can provide the difference of the torque and rotational speed between engine and the road conditions actual needs, thereby do not need frequently to change the acceptable operating point of engine, make it all the time in efficient district's work, reached the effect of energy-saving and emission-reduction.In addition, can also realize by Electronic Control Driving control, the wide region stepless speed control of automobile; Also have advantages of simultaneously do not need complicated cooling device, simple in structure, volume is little, with low cost.
Description of drawings
Fig. 1 is the structural representation of embodiment one described transverse-radial magnetic flux structure brushless combined type permanent magnet motor;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the B-B profile of Fig. 1;
Fig. 4 is the expanded view of the transverse magnetic flux rotor among Fig. 1;
Fig. 5 is the expanded view of the first p-m rotor among Fig. 1.
Embodiment
Embodiment one, below in conjunction with Fig. 1 to Fig. 5 present embodiment is described, the described transverse-radial magnetic flux structure brushless combined type permanent magnet motor of present embodiment, it comprises housing 4 and end cap 3, the two ends of housing 4 are provided with end cap 3, it is characterized in that, in housing 4, be set side by side with transverse magnetic flux double-rotor machine and torque adjustment motor radially, described transverse magnetic flux double-rotor machine comprises the first stator 5, transverse magnetic flux rotor 6, the first p-m rotor 1, p-m rotor output shaft 2 and transverse magnetic flux rotor of output shaft axle 9, described radially torque adjustment motor comprises the second stator 8 and the second p-m rotor 7, simultaneously conduct of transverse magnetic flux rotor of output shaft axle 9 is the armature spindle of torque adjustment motor radially
The second stator 8 of described radially torque adjustment motor is fixed on the madial wall of housing 4, and the second p-m rotor 7 is fixed on the transverse magnetic flux rotor of output shaft axle 9, between the second stator 8 and the second p-m rotor 7 air gap is arranged radially, and described width of air gap is L3; The second stator 8 is comprised of the second stator winding 8-2 and the second stator core 8-1;
The first stator 5 of described transverse magnetic flux double-rotor machine is fixed on the madial wall of housing 4, the first p-m rotor 1 is fixed on the p-m rotor output shaft 2, transverse magnetic flux rotor 6 is between the first stator 5 and the first p-m rotor 1, described transverse magnetic flux rotor 6 is fixed on the transverse magnetic flux rotor of output shaft axle 9, and described transverse magnetic flux rotor 6 is rotationally connected by bearing and p-m rotor output shaft 2; Between transverse magnetic flux rotor 6 and the first stator 5 air gap is arranged, described width of air gap is L1; Between described transverse magnetic flux rotor 6 and the first p-m rotor 1 air gap is arranged, described width of air gap is L2;
The first stator 5 by the identical facies unit of m structure vertically close-packed arrays form; Each facies unit consists of by the first stator core 5-1 and the first stator winding 5-2; The cross section of each the first stator core 5-1 is " recessed " font, and the opening surface of " recessed " font is embedded in the opening of described " recessed " font to transverse magnetic flux rotor 6, the first stator winding 5-2;
Transverse magnetic flux rotor 6 is comprised of support section 6-1 and m transverse magnetic flux unit 6-2, and each transverse magnetic flux unit 6-2 contains n to transverse magnetic flux rotor tooth 6-2-1, and all transverse magnetic flux rotor tooth 6-2-1 are fixed on the support section 6-1; M transverse magnetic flux unit 6-2 is evenly arranged along the axial, and each transverse magnetic flux unit 6-2 is corresponding with a facies unit in the first stator 5 respectively,
The n of each transverse magnetic flux unit 6-2 to transverse magnetic flux rotor tooth 6-2-1 be divided into parallel about two row, every row transverse magnetic flux rotor tooth 6-2-1 is circular along the even circumferential distribution and constitution; Spacing in the same column between adjacent two transverse magnetic flux rotor tooth 6-2-1 is d, and two corresponding transverse magnetic flux rotor tooth 6-2-1 of position are positioned on the same bus of transverse magnetic flux rotor 6 in two row, and forms a pair of utmost point of transverse magnetic flux rotor 6; The both sides projection of " recessed " font opening of the first stator core 5-1 that two annulus that two row transverse magnetic flux rotor tooth 6-2-1 among each transverse magnetic flux unit 6-2 form along circumference are corresponding with the position aligns respectively;
Adjacent transverse magnetic current element 6-2 1/m adjacent two the shared space angles of transverse magnetic flux rotor tooth 6-2-1 spacing d of same column doubly that stagger in the circumferential direction of the circle;
The first p-m rotor 1 is made of the first p-m rotor 1-1 unshakable in one's determination and m the first permanent magnet unit 1-2, the external peripheral surface of the first p-m rotor 1-1 unshakable in one's determination is provided with m the first permanent magnet unit 1-2, m the first permanent magnet unit 1-2 evenly distributes vertically, and each first permanent magnet unit 1-2 is corresponding with a transverse magnetic flux unit 6-2
Each first permanent magnet unit 1-2 is provided with m the first rotor 1-2-1 unshakable in one's determination and 2n to the first rotor permanent magnet 1-2-2, described 2n to the first rotor permanent magnet 1-2-2 be divided into parallel about two row, the first rotor permanent magnet 1-2-2 in every row is circular along the even circumferential distribution and constitution; The corresponding the first rotor permanent magnet 1-2-2 in position is positioned on the same bus of the first p-m rotor 1 in two row, and forms a pair of utmost point of the first p-m rotor 1; Two row the first rotor permanent magnet 1-2-2 among each first permanent magnet unit 1-2 align respectively the shape of the first rotor permanent magnet 1-2-2 end face and transverse magnetic flux rotor tooth 6-2-1 bottom surface, measure-alike along two row transverse magnetic flux rotor tooth 6-2-1 among two annulus of circumference composition transverse magnetic flux unit 6-2 corresponding with the position along two annulus that circumference forms; Described the first rotor permanent magnet 1-2-2 radially magnetizes, and the magnetizing direction of every couple of two the first rotor permanent magnet 1-2-2 in extremely is opposite, and the magnetizing direction of the adjacent two the first rotor permanent magnet 1-2-2 of same column is also opposite; The first rotor permanent magnet 1-2-2 embeds in the outer surface of the first rotor 1-2-1 unshakable in one's determination or is fixed on the outer surface of the first rotor 1-2-1 unshakable in one's determination; The shared space angle of spacing of adjacent two the first rotor permanent magnet 1-2-2 of same column is half of adjacent two the shared space angles of transverse magnetic flux rotor tooth 6-2-1 spacing d of same column in the transverse magnetic flux rotor 6;
Described m and n are the integer greater than 0.
Operation principle:
Every couple of transverse magnetic flux rotor tooth 6-2-1 in the rotor of transverse magnetic flux described in the present embodiment forms a pair of magnetic pole after passing into the magnetic line of force, this has four end faces to tooth, be respectively end face and the bottom surface of each transverse magnetic flux rotor tooth 6-2-1, wherein two end faces of two transverse magnetic flux rotor tooth 6-2-1 are relative with the first stator 5, two bottom surfaces of described two transverse magnetic flux rotor tooth 6-2-1 are relative with the first p-m rotor 1, when machine operation, the path of the magnetic line of force is: the first permanent magnet 1-2-2 output of the described magnetic line of force from the first p-m rotor 1, through the air gap L2 between transverse magnetic flux rotor 6 and the first p-m rotor 1, enter the bottom surface of a transverse magnetic flux rotor tooth 6-2-1 in a pair of tooth of respective transversal magnetic flux rotor 6, and from the end face output process transverse magnetic flux rotor 6 of this transverse magnetic flux rotor tooth 6-2-1 and the air gap L1 between the first stator 5, and behind the first stator core 5-1 in the facies unit of the first stator 5 of correspondence, get back to again the end face of another transverse magnetic flux rotor tooth 6-2-1 in the described a pair of tooth through the air gap L1 between transverse magnetic flux rotor 6 and the first stator 5, then export from the bottom surface of this transverse magnetic flux rotor tooth 6-2-1, again pass through the air gap L2 between transverse magnetic flux rotor 6 and the first p-m rotor 1, enter another the first permanent magnet 1-2-2 in first p-m rotor 1 corresponding with this transverse magnetic flux rotor tooth 6-2-1, and get back to the permanent magnet of this magnetic line of force of output from this first permanent magnet 1-2-2, form the closed magnetic line of force.
According to the path of the above-mentioned magnetic line of force as can be known: in the present embodiment in the transverse magnetic flux rotor 6 with listing the identical magnetic pole of all transverse magnetic flux rotor tooth 6-2-1 bottom surface polarizations; The spacing of same column adjacent transverse magnetic flux rotor tooth 6-2-1 is d on the described transverse magnetic flux rotor 6, whenever list and contain 2n transverse magnetic flux rotor tooth 6-2-1, the spacing of two the first permanent magnet 1-2-2 that same column is adjacent in the first p-m rotor 1 is 0.5d, whenever list and contain 4n permanent magnet 1-2-2, therefore the first permanent magnet 1-2-2 magnetic pole that the bottom surface of all the transverse magnetic flux rotor tooth 6-2-1 in the described same row is faced at one time is identical; Per two the first permanent magnet 1-2-2 that same column is adjacent on the first p-m rotor 1 form circumferential south poles; The two row teeth of each transverse magnetic flux unit 6-2 form two annulus, form altogether 2m annulus, and a described 2m annulus is arranged vertically; The annulus that the transverse magnetic flux rotor tooth 6-2-1 of adjacent two transverse magnetic flux unit 6-2 the forms 1/m shared space angle of transverse magnetic flux rotor tooth spacing d doubly that staggers.
Modulate by transverse magnetic flux rotor 6 in the magnetic field that electric current among the first stator winding 5-2 of the first stator 5 produces, and makes the m on the first stator core 5-1 surface of the first stator 5 induce the magnetic pole of a plurality of circumferencial directions distributions in the bottom surface of m transverse magnetic flux unit 6-2 to the magnetic pole of axial arranging.
Brushless-fed compound machine of the present invention is powered to the first stator 5 and the second stator 8 respectively by two power supplys of different frequency; Winding on the second stator 8 produces a rotating magnetic field, drags the synchronized in the same way rotation of the first p-m rotor 1; Whole the first stator 5 forms the annular magnetic pole that m changes alternating polarity, modulate by transverse magnetic flux rotor 6 in annular magnetic pole magnetic field, form the magnetic pole of the alternating polarity variation of a plurality of circumferencial directions distributions at transverse magnetic flux rotor 6 inner surfaces, produce relatively rotation between the principle transverse magnetic flux rotor 6 of inhaling mutually according to homopolar-repulsion, heteropole and the first p-m rotor 1, so just formed the speed discrepancy between transverse magnetic flux rotor 6 and the first p-m rotor 1; Electromagnetic torque between transverse magnetic flux rotor 6 and the first p-m rotor 1 is equal and opposite in direction, opposite direction; Can just can bear at the first p-m rotor 1 additional electromagnetic torque after 8 energisings of the second stator, so just form the torque differences between transverse magnetic flux rotor 6 and the first p-m rotor 1.
When brushless composite permanent magnet motor of transverse-axial flux structure of the present invention is applied in the hybrid vehicle, it can be installed between engine and the main reducing gear, can provide variable torque differences by the electric current of regulating the second stator winding 8-2, by regulating the frequency of supply of the first stator winding 5-2 and the second stator winding 8-2, can provide variable speed discrepancy simultaneously.Actual road conditions need automobile engine that rotating speed and the torque of continuous variation are provided.
The difference of embodiment two, present embodiment and execution mode one is, the first stator winding 5-2 and the second stator winding 8-2 all adopt star connection or dihedral connection, and other is identical with execution mode one.
The difference of embodiment three, present embodiment and execution mode one is, the second stator core 8-1 is annular, have a plurality of grooves on its inner surface, the axial line that the open centre line of described a plurality of grooves all centers on the second stator 8 evenly distributes, and the second stator winding 8-2 is embedded in the described groove; The outer surface of the second p-m rotor 7 is fixed with a plurality of the second rotor permanent magnet piece 7-1, described a plurality of the second rotor permanent magnet piece 7-1 evenly distributes in the circumferential direction of the circle, described the second rotor permanent magnet piece 7-1 radially magnetizes, and the magnetizing direction of adjacent two the second rotor permanent magnet piece 7-1 is opposite, and other is identical with execution mode one.
The difference of embodiment four, present embodiment and execution mode three is, the second rotor permanent magnet piece 7-1 embeds in the outer surface of the second p-m rotor 7 or is fixed on the outer surface of described the second p-m rotor 7, and other is identical with execution mode three.
The difference of embodiment five, present embodiment and execution mode one is, bottom surface, end face and the longitudinal section of transverse magnetic flux rotor tooth 6-2-1 are polygons, and other is identical with execution mode one.
The difference of embodiment six, present embodiment and execution mode one is, the bottom surface of transverse magnetic flux rotor tooth 6-2-1 and end face are the axial symmetry polygons, and other is identical with execution mode one.
The difference of embodiment seven, present embodiment and execution mode one is, bottom surface, end face and the longitudinal section of the first rotor permanent magnet 1-2-2 are polygons, and other is identical with execution mode one.
The difference of embodiment eight, present embodiment and execution mode one is, the bottom surface of the first rotor permanent magnet 1-2-2 and end face can be the axial symmetry polygons, and other is identical with execution mode one.
The difference of embodiment nine, present embodiment and execution mode one is, the first rotor permanent magnet 1-2-2 is flat magnetic pole or magneticfocusing magnetic pole, and other is identical with execution mode one.
Claims (9)
1. transverse-radial magnetic flux structure brushless combined type permanent magnet motor, it comprises housing (4) and end cap (3), the two ends of housing (4) are provided with end cap (3), it is characterized in that, in housing (4), be set side by side with transverse magnetic flux double-rotor machine and torque adjustment motor radially, described transverse magnetic flux double-rotor machine comprises the first stator (5), transverse magnetic flux rotor (6), the first p-m rotor (1), p-m rotor output shaft (2) and transverse magnetic flux rotor of output shaft axle (9), described radially torque adjustment motor comprises the second stator (8) and the second p-m rotor (7), simultaneously conduct of transverse magnetic flux rotor of output shaft axle (9) is the armature spindle of torque adjustment motor radially
Second stator (8) of described radially torque adjustment motor is fixed on the madial wall of housing (4), the second p-m rotor (7) is fixed on the transverse magnetic flux rotor of output shaft axle (9), between the second stator (8) and the second p-m rotor (7) air gap is arranged radially, described width of air gap is L3; The second stator (8) is comprised of the second stator winding (8-2) and the second stator core (8-1);
First stator (5) of described transverse magnetic flux double-rotor machine is fixed on the madial wall of housing (4), the first p-m rotor (1) is fixed on the p-m rotor output shaft (2), transverse magnetic flux rotor (6) is positioned between the first stator (5) and the first p-m rotor (1), described transverse magnetic flux rotor (6) is fixed on the transverse magnetic flux rotor of output shaft axle (9), and described transverse magnetic flux rotor (6) is rotationally connected by bearing and p-m rotor output shaft (2); Between transverse magnetic flux rotor (6) and the first stator (5) air gap is arranged, described width of air gap is L1; Between described transverse magnetic flux rotor (6) and the first p-m rotor (1) air gap is arranged, described width of air gap is L2;
The first stator (5) by the identical facies unit of m structure vertically close-packed arrays form; Each facies unit consists of by the first stator core (5-1) and the first stator winding (5-2); The cross section of each the first stator core (5-1) is " recessed " font, and the opening surface of " recessed " font is to transverse magnetic flux rotor (6), and the first stator winding (5-2) is embedded in the opening of described " recessed " font;
Transverse magnetic flux rotor (6) is comprised of support section (6-1) and m transverse magnetic flux unit (6-2), each transverse magnetic flux unit (6-2) contains n to transverse magnetic flux rotor tooth (6-2-1), and all transverse magnetic flux rotor tooths (6-2-1) are fixed on the support section (6-1); M transverse magnetic flux unit (6-2) is evenly arranged along the axial, and each transverse magnetic flux unit (6-2) is corresponding with a facies unit in the first stator (5) respectively,
The n of each transverse magnetic flux unit (6-2) to transverse magnetic flux rotor tooth (6-2-1) be divided into parallel about two row, every row transverse magnetic flux rotor tooth (6-2-1) is circular along the even circumferential distribution and constitution; Spacing in the same column between adjacent two transverse magnetic flux rotor tooths (6-2-1) is d, corresponding two the transverse magnetic flux rotor tooths (6-2-1) in position are positioned on the same bus of transverse magnetic flux rotor (6) in two row, and form a pair of utmost point of transverse magnetic flux rotor (6); The both sides projection of " recessed " font opening of the first stator core (5-1) that two annulus that two row transverse magnetic flux rotor tooths (6-2-1) in each transverse magnetic flux unit (6-2) form along circumference are corresponding with the position aligns respectively;
Adjacent transverse magnetic current element (6-2) the 1/m shared space angle of adjacent two the transverse magnetic flux rotor tooths of same column (6-2-1) spacing d doubly that staggers in the circumferential direction of the circle;
The first p-m rotor (1) is made of the first p-m rotor (1-1) unshakable in one's determination and m the first permanent magnet unit (1-2), the external peripheral surface of the first p-m rotor (1-1) unshakable in one's determination is provided with m the first permanent magnet unit (1-2), m the first permanent magnet unit (1-2) evenly distributes vertically, and each first permanent magnet unit (1-2) is corresponding with a transverse magnetic flux unit (6-2)
Each first permanent magnet unit (1-2) is provided with m the first rotor (1-2-1) unshakable in one's determination and 2n to the first rotor permanent magnet (1-2-2), described 2n to the first rotor permanent magnet (1-2-2) be divided into parallel about two row, the first rotor permanent magnet (1-2-2) in every row is circular along the even circumferential distribution and constitution; The corresponding the first rotor permanent magnet (1-2-2) in position is positioned on the same bus of the first p-m rotor (1) in two row, and forms a pair of utmost point of the first p-m rotor (1); Two row the first rotor permanent magnets (1-2-2) in each first permanent magnet unit (1-2) align respectively the shape of the first rotor permanent magnet (1-2-2) end face and transverse magnetic flux rotor tooth (6-2-1) bottom surface, measure-alike along two row transverse magnetic flux rotor tooths (6-2-1) in two annulus of circumference composition transverse magnetic flux unit (6-2) corresponding with the position along two annulus that circumference forms; Described the first rotor permanent magnet (1-2-2) radially magnetizes, and the magnetizing direction of every pair of two the first rotor permanent magnets (1-2-2) in extremely is opposite, and the magnetizing direction of the adjacent two the first rotor permanent magnets of same column (1-2-2) is also opposite; The first rotor permanent magnet (1-2-2) embeds in the outer surface of the first rotor (1-2-1) unshakable in one's determination or is fixed on the outer surface of the first rotor iron core (1-2-1); The shared space angle of spacing of adjacent two the first rotor permanent magnets of same column (1-2-2) is half of adjacent two the shared space angles of transverse magnetic flux rotor tooth (6-2-1) spacing d of same column in the transverse magnetic flux rotor (6);
Described m and n are the integer greater than 0.
2. transverse-radial magnetic flux structure brushless combined type permanent magnet motor according to claim 1 is characterized in that, the first stator winding (5-2) and the second stator winding (8-2) all adopt star connection or dihedral connection.
3. transverse-radial magnetic flux structure brushless combined type permanent magnet motor according to claim 1, it is characterized in that, the second stator core (8-1) is annular, have a plurality of grooves on its inner surface, the axial line that the open centre line of described a plurality of grooves all centers on the second stator (8) evenly distributes, and the second stator winding (8-2) is embedded in the described groove; The outer surface of the second p-m rotor (7) is fixed with a plurality of the second rotor permanent magnet pieces (7-1), described a plurality of the second rotor permanent magnet piece (7-1) evenly distributes in the circumferential direction of the circle, described the second rotor permanent magnet piece (7-1) radially magnetizes, and the magnetizing direction of adjacent two the second rotor permanent magnet pieces (7-1) is opposite.
4. transverse-radial magnetic flux structure brushless combined type permanent magnet motor according to claim 3, it is characterized in that, the second rotor permanent magnet piece (7-1) embeds in the outer surface of the second p-m rotor (7) or is fixed on the outer surface of described the second p-m rotor (7).
5. transverse-radial magnetic flux structure brushless combined type permanent magnet motor according to claim 1 is characterized in that, bottom surface, end face and the longitudinal section of transverse magnetic flux rotor tooth (6-2-1) are polygons.
6. transverse-radial magnetic flux structure brushless combined type permanent magnet motor according to claim 1 is characterized in that, the bottom surface of transverse magnetic flux rotor tooth (6-2-1) and end face are the axial symmetry polygons.
7. transverse-radial magnetic flux structure brushless combined type permanent magnet motor according to claim 1 is characterized in that, bottom surface, end face and the longitudinal section of the first rotor permanent magnet (1-2-2) are polygons.
8. transverse-radial magnetic flux structure brushless combined type permanent magnet motor according to claim 1 is characterized in that, the bottom surface of the first rotor permanent magnet (1-2-2) and end face can be the axial symmetry polygons.
9. transverse-radial magnetic flux structure brushless combined type permanent magnet motor according to claim 1 is characterized in that, the first rotor permanent magnet (1-2-2) is flat magnetic pole or magneticfocusing magnetic pole.
Priority Applications (1)
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| CN104836398B (en) * | 2015-05-26 | 2017-03-29 | 哈尔滨工业大学 | Rotor magneticfocusing bimorph transducer transverse magnetic field permanent-magnet synchronous motor |
| CN105553202B (en) * | 2016-03-04 | 2018-11-23 | 重庆大学 | Multistage stator and rotor combination type motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1972078A (en) * | 2006-10-31 | 2007-05-30 | 哈尔滨工业大学 | Composite permanent magnet motor with shaft radial-radical magnetic flux structure |
| CN1980005A (en) * | 2006-11-08 | 2007-06-13 | 哈尔滨工业大学 | Axial-radial, axial flux structural composite permanent-magnet motor |
| CN101127463A (en) * | 2007-07-13 | 2008-02-20 | 哈尔滨工业大学 | Compound permanent magnetic electromotor for axis radial -axis radial magnetic pass structure |
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| JP2010213509A (en) * | 2009-03-11 | 2010-09-24 | Univ Of Fukui | Horizontal magnetic flux type synchronous machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1972078A (en) * | 2006-10-31 | 2007-05-30 | 哈尔滨工业大学 | Composite permanent magnet motor with shaft radial-radical magnetic flux structure |
| CN1980005A (en) * | 2006-11-08 | 2007-06-13 | 哈尔滨工业大学 | Axial-radial, axial flux structural composite permanent-magnet motor |
| CN101127463A (en) * | 2007-07-13 | 2008-02-20 | 哈尔滨工业大学 | Compound permanent magnetic electromotor for axis radial -axis radial magnetic pass structure |
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