CN1862928A - Modularized stator structure low-speed DC brushless motor - Google Patents
Modularized stator structure low-speed DC brushless motor Download PDFInfo
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- CN1862928A CN1862928A CN 200610014291 CN200610014291A CN1862928A CN 1862928 A CN1862928 A CN 1862928A CN 200610014291 CN200610014291 CN 200610014291 CN 200610014291 A CN200610014291 A CN 200610014291A CN 1862928 A CN1862928 A CN 1862928A
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Abstract
The invention discloses the blocking stator structure low speed direct current brushless motor. It divides evenly the inner diameter circle of the stator iron core into the K1 fan section group, the A, B, C three phases of each fan section group accounts for the same superficial one fan section respectively, the stator iron core of each fan section are mounted with K2 canine tooth, the tooth distance between the border canine tooth is one polar distance, the stator iron core between the said border two fan sections are mounted with one the small slot respectively, one small tooth is mounted between the said two small slots, the settling distance collecting loop are coiled on each canine tooth, the poles of the electric machine of the invention can be designed largely, the ends of the electric machine stator winding don't fold each other, the ends are shorter, the winding modulus is one, the process of the coiling is easy, and the stator iron core of the electric machine can depress the permanent magnet guiding humorous wave torque availably without the flume, the efficiency of the electric machine is high.
Description
Technical field
The present invention relates to a kind of low-speed DC brushless motor, the invention particularly relates to a kind of modular stator structural low-speed DC brushless motor.
Background technology
Low-speed DC brushless motor should be able to be exported torque under low speed big, and stable operation.This just requires the number of pole-pairs of motor to want a lot, selects for use flat structure to make motor can produce bigger torque and lower rotating speed under certain armature volume and armature voltage simultaneously.The DC Brushless Motor winding overhang of traditional stator structure laminates mutually, the end is longer, simultaneously in order to reduce the torque of permanent magnetism tooth magnetic conductance, the common oblique stator tooth distance of stator slot, the basic electromagnetic torque reduction that motor can be exported, electric efficiency reduction.Though and general modularization permanent-magnetism synchronous machine stator is without skewed slot, and adopts fractional-slot, winding overhang does not laminate mutually, the end is shorter, and the stator winding coefficient is less than normal, influences motor energy index and efficient.Select for use which kind of stator structure could be at an easy rate a lot of with the number of poles design of motor, the motor stator winding end does not laminate mutually, the end is shorter, winding technique technology is simple, stator core just can reduce the torque of permanent magnetism tooth magnetic conductance effectively without skewed slot, stator winding coefficient height, the electric efficiency height is the focus of low-speed DC brushless motor technical research.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, a kind of modular stator structural low-speed DC brushless motor is provided.This end, motor stator winding end is short, be easy to machinery coiling continuously, be easy to replacing, light weight, efficient height, magnetic conductance harmonic torque are little.
Modular stator structural low-speed DC brushless motor, forward and backward end cap, armature spindle, terminal box, position transducer, position transducer terminal box, the Y that it comprises support, support both sides connect three phase windings, be fixed on modular stator iron core in the described support, be installed in the rotor on the described armature spindle, described rotor circumference is provided with the main pole Nd-Fe-B permanent magnet, and the internal diameter circumference of described stator core is divided into k uniformly
1Set of sectors respectively accounts for 1 sector of the same area at each set of sectors A, B, C three-phase, and 1 sector belongs to a phase, is provided with k in the stator core of each sector uniformly
2Individual canine tooth, between described adjacent two canine tooths, be provided with 1 vat, the tooth pitch of described adjacent canine tooth is a pole span, be respectively arranged with 1 sulculus in the stator core between described adjacent two sectors, be provided with a little tooth between described two sulculuses, the distance of the centreline space of the adjacent canine tooth of the center line of described little tooth and sector, both sides all is 2/3 pole span, the distance of two canine tooth centreline spaces of both sides, sector then is 4/3 pole span, be equivalent to little toothed portion and spatially occupy 1/3 pole span, be wound with whole on each canine tooth apart from concentrating coil, on the adjacent teeth in sector or on the part adjacent teeth each is whole can be by the identical rule series connection of electromotive force direction apart from concentrating coil, also can be by the identical rule parallel connection of electromotive force size same phase, can also connection in series-parallel adopt simultaneously, constitute the modular stator phase winding assembly of a phase, described every phase winding is in series or in parallel to form by the modular stator phase winding assembly of same phase, and promptly the modular stator phase winding assembly of same phase is according to the synchronous principle series connection of electromotive force or according to every principle formation in parallel that parallel branch electromotive force size same phase is identical.
It is a lot of that the number of poles of motor of the present invention can design, the motor stator winding end does not laminate mutually, the end is shorter, and winding coefficient is 1, and winding technique technology is simple, and the stator core of motor just can reduce permanent magnetism magnetic conductance harmonic torque, electric efficiency height effectively without skewed slot.
Description of drawings
Fig. 1 is a modular stator structural low-speed DC brushless motor structural representation front view of the present invention;
Fig. 2 is the left view of motor shown in Figure 1;
Fig. 3 is example 1 of the present invention (m=3, k
1=1, k
2=8,2p=22) modular stator structural low-speed DC brushless motor magnetic structure profile;
Fig. 4 is example 2 of the present invention (m=3, k
1=2, k
2=4,2p=26) modular stator structural low-speed DC brushless motor magnetic structure profile.
Embodiment
Be modular stator structural low-speed DC brushless motor structural representation of the present invention as shown in Figure 1, 2, its preceding 3, rear end cap 13, armature spindle 1, terminal box 9, position transducer, position transducer terminal box 12, Y of comprising support 6, support both sides of this motor connects three phase windings, be fixed on modular stator iron core 5 in the described support, be installed in the rotor on the described armature spindle, described rotor circumference is provided with main pole Nd-Fe-B permanent magnet 7, and the internal diameter circumference of described stator core is divided into k uniformly
1Set of sectors respectively accounts for 1 sector of the same area at each set of sectors A, B, C three-phase, and 1 sector belongs to a phase, has k in the stator core of each sector uniformly
2 Individual canine tooth 15, between described adjacent two canine tooths, be provided with 1 vat 14, the tooth pitch of described adjacent canine tooth is a pole span, stator core between two adjacent sectors is provided with 1 little tooth 16 and 2 sulculuses 17, the area of sulculus be slightly larger than vat 1/2nd so that the coiling of coil.Little tooth only is the part of magnetic circuit, not coiling winding on the little tooth, the distance of the centreline space of the adjacent canine tooth of the center line of little tooth and sector, both sides all is 2/3 pole span, the distance of two canine tooth centreline spaces of both sides, sector then is 4/3 pole span, be equivalent to little toothed portion and spatially occupy 1/3 pole span, be wound with whole on each canine tooth apart from concentrating coil, whole identical on adjacent two canine tooths in sector apart from the induced electromotive force size of concentrating coil, phase place is opposite, these are put in order apart from concentrating coil according to the series connection of electromotive force same-phase and the every identical principle composition module stator phase winding assembly of parallel branch electromotive force size same phase, the modular stator phase winding assembly serial or parallel connection of same phase, constitute a phase winding, three-phase winding Y connects.Described position transducer is preferably and is the magnetosensitive position transducer.Described magnetosensitive position transducer is the Hall switch position transducer, it comprises stator 11 and rotor 10, stator 11 is provided with three switching Hall components, described rotor is for evenly being arranged on the fan-shaped permanent magnet of polylith of the profile circumference side of the corresponding rotor wheel hub 8 of described back end cover for motor, described stator is fixed on the described back end cover for motor inboard, three switching Hall components on the described stator are provided with corresponding to the position of A, B, C three phase windings respectively, and riding position all lags behind phase winding axis π/6 electrical degrees separately.The Hall switch position transducer can be buied from market.Motor stator three-phase Y connection winding links to each other with the DC Brushless Motor driver output end by power cable through terminal box 9, the given power supply of position transducer is connected with the position input port of DC Brushless Motor driver by signal cable through position transducer terminal box 12 with position output signal, constitutes complete Closed-Loop Speed Governing System.
Lift specific embodiment below technical scheme of the present invention and principle are described.
Shown in Fig. 1,2,3,4, the armature spindle 1 of modularized motor structure direct driving type low-speed permanent magnet synchro wind generator is formed by the common medium-carbon steel machine work.Rotor hub 8 can adopt various technologies to be securely fixed on the armature spindle 1.Rotor hub 8 can be to be made by a kind of material; Also can be assembled into a complete integral body, that is to say that the spoke of rotor hub 8 is that part of can select the material that has certain mechanical strength separately for use by multiple material, but the profile of rotor hub 10 that part of must be magnetic conduction.Profile is the part of permanent magnetic circuit, because the permanent magnet flux substantially constant of process profile, as long as magnetic permeability is higher.On the profile cylindrical of rotor hub 8, be pasted with 2p piece main pole Nd-Fe-B permanent magnet 7 uniformly.Main pole Nd-Fe-B permanent magnet 7 before stickup, permanent magnet surfaces should be earlier through preservative treatment such as platings grade, the radial direction that the is parallel to the permanent magnet center more in advance magnetic of substituting the bad for the good.Main pole Nd-Fe-B permanent magnet 7 outside the profile of rotor hub 8 polarity on the space of circles according to N, S, N, S ... rule is placed.For modular stator, 2p N, S, N, S have just been formed ... the rotor permanent magnetism magnetic pole that magnetic pole is alternate.The p-m rotor of this spline structure is called as surperficial adhesive type.Obviously p-m rotor also can adopt versions such as permanent magnet embedded or hybrid.Adopt such stator structure, motor can be designed to a lot of numbers of poles at an easy rate, thereby realizes the motor low cruise easily.When the polar arc size and dimension of appropriate design permanent magnet and stator profile of tooth, should consider very little with the design of three tooth magnetic conductances, to reduce the torque of tooth magnetic conductance; Simultaneously topmost when guaranteeing that still motor at the uniform velocity rotates, the linear increase of magnetic flux in each canine tooth is wide with the linear interval that reduces, thereby make that the emf phase waveform of threephase stator winding is a trapezoidal wave, and the flat part of trapezoidal wave approaches even greater than 2 π/3 electrical degrees.When each phase winding of stator logical respectively with each mutually the emf phase waveform be the top width of trapezoidal wave same-phase or antiphase when being the square wave electric current of 2 π/3 electrical degrees, modular stator structural low-speed DC brushless motor produces the electromagnetic torque that plays driving or formulation effect stably.Electromagnetic torque fluctuation on the motor shaft is little, and vibration, the noise of generator are low.
For three-phase (m=3) modularized motor structure direct stream brushless motor, by punching silicon-steel, laminate on the internal diameter circumference of the modular stator iron core made from special security measure 5 and be divided into k uniformly according to specific rule
1Set of sectors respectively accounts for 1 sector of the same area at each set of sectors A, B, C three-phase, and 1 sector belongs to a phase, has k in the stator core of each sector uniformly
2 Individual canine tooth 14 is provided with 1 vat 15 between adjacent two canine tooths, and the tooth pitch of adjacent canine tooth is a pole span; Have 1 little tooth and 2 sulculuses between two sectors, the distance of the centreline space of the adjacent canine tooth of the center line of little tooth and sector, both sides all is 2/3 pole span, the distance of two canine tooth centreline spaces of both sides, sector then is 4/3 pole span, be equivalent to little toothed portion and spatially occupy 1/3 pole span, little tooth only is the part of magnetic circuit, not coiling winding on the little tooth.Twining concentrating coil on each canine tooth, obviously is whole apart from concentrating coil.Whole induced electromotive force size apart from concentrating coil is identical on adjacent two canine tooths in sector, phase place is opposite, and whole on each tooth can be according to the identical principle parallel connection of electromotive force phase place apart from concentrating coil; Whole two ends apart from the concentrating coil lead-out wire on the adjacent teeth in the sector can be connect branch road of rule connection that initial and end connects tail according to head; Equally also the whole two ends apart from the concentrating coil lead-out wire on the inner branch adjacent teeth in a sector can be connect many identical parallel branches of electromotive force size of rule connection that initial and end connects tail according to head, according to every identical rule of parallel branch electromotive force phase place each the bar parallel branch in this sector is together in parallel again, obtain the phase winding in the sector, the maximum parallel branch number of the phase winding in sector can be the big number of teeth in the sector.Each sector belongs to a certain phase, each phase winding is independently arranged in a sector mutually, each sector promptly is arranged in the stator circumference as building blocks between each phase, thereby the stator of this structure is known as modular stator structural, and a phase winding is called modular stator phase winding assembly in the sector.After adhering to each sector separately the connection rule that all adopts by series, parallel or connection in series-parallel again of the winding of institute's symbolic animal of the birth year connecting separately, then constitute each phase module stator phase winding, the induced electromotive force that should guarantee every parallel branch when it should be noted that parallel connection is with big or small same-phase.Each phase stator phase winding assembly of all sectors is formed modular stator winding 4.Obviously, it is 1 that modular stator winding 4 this whole distances are concentrated the winding coefficient of winding, and overhang is the shortest, and the concentrating coil end on each tooth does not laminate mutually; Whole on each tooth twined to a last tooth continuously apart from concentrating coil from first tooth, is fit to very much mechanical coiling, labor productivity height not only, and be convenient to maintenance and change; If each tooth windings in series connects, the coil potential difference on then adjacent two teeth is little, also is convenient to very much winding insulation between groove, labor and material saving.Under identical stator core length situation, because the end of winding is short, the electric machine stand axial length can shorten, light weight, efficient height.Mutual deviation 2 π/3 electrical degrees on the induced electromotive force phase place of three phase windings, three-phase winding Y connects, and three phase winding outputs are received respectively on the binding post in the connection box for motor 9, link to each other with the DC Brushless Motor driver output end by power cable through terminal box 9.
If regard adjacent three sectors that belong to A, B, C three-phase respectively as a set of sectors, suppose to place altogether in the motor stator k
1Individual set of sectors has k in each sector of stator core 4
2Individual canine tooth.The number of poles 2p that considers motor simultaneously must be an even number, and little toothed portion spatially occupies 1/3 pole span, then k
1With k
2Between to satisfy following two kinds of relations:
1. working as the stator number of phases is three-phase m=3, and k
2=2k-1 (k=1 wherein, 2,3 ...) when being odd number, consider that little toothed portion spatially occupies 1/3 pole span, then the number of poles 2p of p-m rotor and set of sectors k
1, the canine tooth k in sector
2Between the pass be
2p＝mk
1(k
2+1/3)＝3k
1(2k-1+1/3)＝2k
1(3k-1)
Obviously, k
1It can be any natural number.
The example that Fig. 2 lifted meets the said structure rule, m=3 wherein, k
1=2, k
2=9,2p=56.
The example that Fig. 3 lifted also meets the said structure rule, m=3 wherein, k
1=1, k
2=7,2p=22.
Under said structure rule situation, a stator tooth spatially occupies θ apart from being a pole span
Ze=π electrical degree, whole on first tooth separately on the adjacent two-phase modular stator phase winding assembly of front and back apart from the phasic difference of concentrating coil induced electromotive force phase
(k
2+1/3)π＝(2k-1+1/3)π＝2kπ-2π/3
Be mutual deviation-2 π/3 electrical degrees.At this moment, the modular stator phase winding assembly that adheres to three-phase separately at stator space by A, B, C ... rule is arranged.
Because the stator teeth groove exists, and can cause the torque of tooth magnetic conductance between stator teeth groove and rotor permanent magnetic field, a stator tooth is apart from volume exclusion θ for the torque of tooth magnetic conductance
Ze=2 π space electrical degrees, and the torque of tooth magnetic conductance is electrical degree θ between p-m rotor field axis and stator tooth axis
ZeFunction.The tooth magnetic conductance torque of a stator tooth can be formulated as
In the formula, v---the harmonic number of tooth magnetic conductance harmonic torque, v=1,2,3
θ
Ze---electrical degree between p-m rotor field axis and stator tooth axis, the rad of unit
T
Zmv---the peak value of the v time tooth magnetic conductance harmonic torque, the Nm of unit;
T
Z---the tooth magnetic conductance torque of a stator tooth, the Nm of unit.
The modular stator phase winding assembly that adheres to three-phase separately at stator space by A, B, C ... when rule is arranged, no matter the polarity of rotor permanent magnetism magnetic pole is if the space electrical degree between the stator tooth axis on p-m rotor field axis and the A phase module stator phase winding assembly is θ
Ze, then the space electrical degree between the stator tooth axis on p-m rotor field axis and B, the C two-phase modular stator phase winding assembly is respectively (θ
Ze-2 π/3) and (θ
Ze-4 π/3).
When v=1, on the stator on the modular stator assembly of all A, B, C three-phase separately i.e. 1 the tooth magnetic conductance torque of low order cancel out each other after synthetic
T
Z1＝k
1k
2(T
ZA1+T
ZB1+T
ZC1)
＝k
1k
2T
Zm1[sinθ
Ze+sin(θ
Ze-2π/3)+sin(θ
Ze-4π/3)]
＝0
In like manner, when v=6k ± 1 (k=1 wherein, 2,3 ...) time, i.e. v=5,7,11,13 ... the time, each time tooth magnetic conductance harmonic torque after synthesizing is cancelled out each other, promptly
T
Z(6k±1)＝0(k＝1，2，3……)
And when v=2, on the stator on the modular stator assembly of all A, B, C three-phase separately 2 tooth magnetic conductance harmonic torques also cancel out each other after synthetic
T
Z2＝T
ZA2+T
ZB2+T
ZC2
＝k
1k
2T
Zm2[sin2θ
Ze+sin2(θ
Ze-2π/3)+sin2(θ
Ze-4π/3)]
＝k
1k
2T
Zm2[sin2θ
Ze+sin(2θ
Ze-4π/3)+sin(2θ
Ze-2π/3)]
＝0
In like manner, when v=6k ± 2 (k=1 wherein, 2,3 ...) time, i.e. v=4,8,10,14 ... the time, also can obtain, each time tooth magnetic conductance harmonic torque after synthesizing is also cancelled out each other, promptly
T
Z(6k+2)＝0(k＝1，2，3……)
And when v=3k (k=1 wherein, 2,3 ...) time, i.e. v=3,6,9 ... the time, on the stator on the modular stator phase winding assembly of all A, B, C three-phase separately 3 times and 3 multiple time tooth magnetic conductance harmonic torque after synthetic be
T
Z3k＝T
ZA3k+T
ZB3k+T
ZC3k
＝k
1k
2T
Zm3k[sin3kθ
Ze+sin3k(θ
Ze-2π/3)+sin3k(θ
Ze-4π/3)]
＝3k
1k
2T
Zm3ksin3kθ
Ze (k＝1，2，3……)
Obviously, only exist 3 times and 3 multiple time tooth magnetic conductance harmonic torque at whole motor internal.And other number of times, 1 tooth magnetic conductance torque the strongest in particularly traditional magneto has not existed.
2. working as the stator number of phases is three-phase m=3, k
2=2k (k=1 wherein, 2,3 ...) when being even number, consider that little toothed portion spatially occupies 1/3 pole span, then the number of poles 2p of p-m rotor and set of sectors k
1, the canine tooth k in sector
2Between the pass be
2p=mk
1(k
2+ 1/3)=3k
1(2k+1/3)=k
1(6k+1) obvious, k
1It must be even number.
The example that Fig. 4 lifted meets the said structure rule, m=3 wherein, k
1=2, k
2=4,2p=26.
Under said structure rule situation, the whole induced electromotive force phase phasic difference in concentrating coil on the adjacent two-phase modular stator phase winding assembly of front and back on first tooth
(k
2+1/3)π＝(2k+1/3)π＝2kπ+π/3
Be mutual deviation+π/3 electrical degrees.The modular stator phase winding assembly that is equivalent to adhere to separately three-phase stator space by A ,-B, C ,-A, B ,-C ... rule is arranged.
In like manner can prove at whole motor internal and also only exist 3 times and time tooth magnetic conductance torque of 3 multiple.
By above-mentioned two kinds of situations as seen, for the three-phase modular stator structural low-speed DC brushless motor,, place k altogether in the stator core 4 internal diameter circumference when regarding adjacent three sectors that belong to A, B, C three-phase respectively as a set of sectors
1Individual set of sectors has k in each sector
2Individual teeth groove considers that the little toothed portion between the sector spatially occupies 1/3 pole span, for the number of poles 2p that guarantees motor must be an even number, and set of sectors k then
1, the canine tooth k in sector
2Between the pass that should satisfy be: k
2K during for odd number
1It can be any natural number; k
2K during for even number
1It must be even number.Motor internal only exists 3 times and time tooth magnetic conductance torque of 3 multiple.If when stator profile of tooth and rotating pole-piece design, take into account very little with 3 tooth magnetic conductances design of stator tooth simultaneously, then the tooth magnetic conductance torque of modular stator structural low-speed DC brushless motor will be very little, need not need take measures such as stator iron core chute or oblique permanent magnetism magnetic pole to reduce the torque of permanent magnetism tooth magnetic conductance as traditional magneto.
In the three-phase modular stator structural low-speed DC brushless motor, position transducer plays a part to measure rotor magnetic pole position, it provides correct commutation information for the logic switching circuit in the DC Brushless Motor driver, the position signalling that is about to the p-m rotor main pole converts the signal of telecommunication to, goes to control the stator winding commutation then.Wherein position transducer rotor 10 is arranged in the side with the profile of the corresponding rotor wheel hub 8 of back end cover for motor 13 those sides, promptly the fan-shaped permanent magnet of p (motor number of pole-pairs) piece evenly is installed in the whole circumference space of that side of the profile of rotor hub 8, the magnetizing direction unanimity of p piece permanent magnet, it all is the electrical axis direction, development all is the N utmost point for position transducer stator 10 polarity, and the space magnetic field that can detected every position transducer permanent magnet produces at the switching Hall components at position sensor stator 11 places should just in time be a pole span in the circumference range of rotation, and the center line of every position transducer permanent magnet and the axis of rotor main pole N utmost point permanent magnet should be on the same rotor radial plane simultaneously.Position transducer stator 11 is installed in rear end cap 13 inboards, position transducer stator 11 mainly is made up of circuit and support component thereof that 3 switching Hall components constitute, the p piece permanent magnet that 3 switching Hall components and rotor sensor 10 are arranged in the profile side of rotor wheel hub 8 is on the same rotor radius of turn position, respectively with A, B, 3 switching Hall components that are welded on the printed substrate of C three phase winding correspondences are gone up 2 π/3 electrical degrees of being separated by on the circumferential position with rotation, and riding position all lags behind phase winding axis 2 π/3 electrical degrees separately, with guarantee when each phase winding of stator logical respectively with each mutually the emf phase waveform be the top width of trapezoidal wave same-phase or antiphase when being the square wave electric current of 2 π/3 electrical degrees, the electromagnetic torque of driving or formulation effect is played in the generation of modularized motor structure direct stream brushless motor stably.The power supply line and the output signal line thereof that are welded on 3 switching Hall components on the printed substrate are received on the position transducer terminal box 12 that is installed in back end cover for motor 13 outsides.Position transducer terminal box 12 is connected with the position input port of DC Brushless Motor driver by signal cable.After armature spindle 1 two ends install bearing 2, again by front end housing 3 and rear end cap 13 support, location and installation is in the support 6 that installs stator core 5 and modular stator winding 4.
Claims (3)
1. modular stator structural low-speed DC brushless motor, forward and backward end cap, armature spindle, terminal box, position transducer, position transducer terminal box, the Y that it comprises support, support both sides connect three phase windings, be fixed on modular stator iron core in the described support, be installed in the rotor on the described armature spindle, described rotor circumference is provided with the main pole Nd-Fe-B permanent magnet, it is characterized in that: the internal diameter circumference of described stator core is divided into k uniformly
1Set of sectors respectively accounts for 1 sector of the same area at each set of sectors A, B, C three-phase, and 1 sector belongs to a phase, is provided with k in the stator core of each sector uniformly
2Individual canine tooth, between described adjacent two canine tooths, be provided with 1 vat, the tooth pitch of described adjacent canine tooth is a pole span, be respectively arranged with 1 sulculus in the stator core between described adjacent two sectors, be provided with a little tooth between described two sulculuses, the distance of the centreline space of the adjacent canine tooth of the center line of described little tooth and sector, both sides all is 2/3 pole span, the distance of two canine tooth centreline spaces of both sides, sector then is 4/3 pole span, be equivalent to little toothed portion and spatially occupy 1/3 pole span, be wound with whole on each canine tooth apart from concentrating coil, on the adjacent teeth in sector or on the part adjacent teeth each is whole can be by the identical rule series connection of electromotive force direction apart from concentrating coil, also can be by the identical rule parallel connection of electromotive force size same phase, can also connection in series-parallel adopt simultaneously, constitute the modular stator phase winding assembly of a phase, described every phase winding is in series or in parallel to form by the modular stator phase winding assembly of same phase, and promptly the modular stator phase winding assembly of same phase is according to the synchronous principle series connection of electromotive force or according to every principle formation in parallel that parallel branch electromotive force size same phase is identical.
2. modular stator structural low-speed DC brushless motor according to claim 1 is characterized in that: described position transducer is the magnetosensitive position transducer.
3. modular stator structural low-speed DC brushless motor according to claim 2, it is characterized in that: described magnetosensitive position transducer is the Hall switch position transducer, it comprises stator and rotor, described rotor is for evenly being arranged on the fan-shaped permanent magnet of polylith of the profile circumference side of the corresponding rotor wheel hub of described back end cover for motor, described stator is fixed on the described back end cover for motor inboard, three switching Hall components on the described stator are respectively corresponding to A, B, the axial location setting of C three phase windings, and riding position all lags behind phase winding axis 2 π/3 electrical degrees separately.
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| WO2009055956A1 (en) * | 2007-10-29 | 2009-05-07 | Shenzhen Academy Of Aerospace Technology | Square-wave three-phase brushless permanent magnet dc motor |
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| US8089192B2 (en) * | 2007-10-29 | 2012-01-03 | Shenzhen Academy Of Aerospace Technology | Three-phase square-wave permanent magnet brushless DC motor |
| CN106230139A (en) * | 2016-08-12 | 2016-12-14 | 上海樱洛机电科技有限公司 | A kind of split-phase high pressure slow-speed motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009055956A1 (en) * | 2007-10-29 | 2009-05-07 | Shenzhen Academy Of Aerospace Technology | Square-wave three-phase brushless permanent magnet dc motor |
| CN101371425B (en) * | 2007-10-29 | 2011-05-04 | 深圳航天科技创新研究院 | Square wave three-phase brushless permanent magnetic DC motor |
| US8089192B2 (en) * | 2007-10-29 | 2012-01-03 | Shenzhen Academy Of Aerospace Technology | Three-phase square-wave permanent magnet brushless DC motor |
| WO2009149596A1 (en) * | 2008-06-10 | 2009-12-17 | 深圳航天科技创新研究院 | Exercising apparatus for two people |
| CN106230139A (en) * | 2016-08-12 | 2016-12-14 | 上海樱洛机电科技有限公司 | A kind of split-phase high pressure slow-speed motor |
| CN106230139B (en) * | 2016-08-12 | 2019-01-04 | 上海樱洛机电科技有限公司 | A kind of split-phase high pressure slow-speed motor |
| CN110098708A (en) * | 2019-05-20 | 2019-08-06 | 南京航空航天大学 | A kind of durface mounted permanent magnet synchronous motor of stator-sectional |
| CN113890221A (en) * | 2021-10-08 | 2022-01-04 | 哈尔滨工业大学 | Single-double-layer winding radial flux five-phase motor with high third harmonic current utilization rate |
| CN113890221B (en) * | 2021-10-08 | 2022-10-11 | 哈尔滨工业大学 | Single-double layer winding radial flux five-phase motor with high third harmonic current utilization rate |
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