CN104079137A - Two-phase brushless direct current motor and sine stator - Google Patents
Two-phase brushless direct current motor and sine stator Download PDFInfo
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- CN104079137A CN104079137A CN201410326323.XA CN201410326323A CN104079137A CN 104079137 A CN104079137 A CN 104079137A CN 201410326323 A CN201410326323 A CN 201410326323A CN 104079137 A CN104079137 A CN 104079137A
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Abstract
The invention discloses a two-phase brushless direct current motor and a sine stator. A plurality of teeth 5 and a plurality of teeth 4 are distributed at intervals in a circumferential mode, and the width of tooth bodies of the teeth 5 is two times or more than two times that of tooth bodies of the teeth 4. Iron core poles are formed by arranging the teeth 5, as the main part, and the left teeth 4 and the right teeth 4, as the auxiliary part, and the pole cambered surfaces of the three types of teeth are distributed in a sinusoidal mode. According to the characteristic that the teeth 4 are shared by phases and phase poles, the function of integration and connection of the phases and a phase pole magnetic field is achieved, the effect similar to the effect of a circular rotating field is generated, and therefore the pulsation phenomenon of the motor is further lowered, the motor can be started stably, the manufacturing cost is lowered, the noise is lowered, the energy consumption is lowered, the efficiency is improved, and the torque is increased.
Description
Technical field
This technology relates to machine field, especially a kind of two phase brushless DC motors of electronics commutation.
Background technology
Existing two phase brushless DC motors are branches for permagnetic synchronous motor, in its motor stator core circle, are provided with convex tooth, and single double wedge is coiled into a utmost point, and salient pole is equal distribution on circle.One phase magnetic pole is for radially a pair of.Be generally that rotor is that 4 salient poles, stators are 2 double-salient-pole two phase brushless DC motors, rotor is provided with permanent magnet poles.In order to improve startup effect, the also use eccentric rotor having.When energising, by position transducer, electronic commutator, each phase coil on stator is switched in order one by one, on stator core, produce two symmetrical rotating magnetic fields, rotor driven rotation respectively.
Brshless DC motor, due to its wider speed adjustable range and energy-saving effect, is applied to the every field such as industry.Its shortcoming has pulsation phenomenon and startability not good while being motor operation, and main cause is the double-salient-pole structure of two-phase brushless direct-current, makes the electromagnetic torque producing in the time of commutation have jumping phenomenon, and has location torque etc. between rotor teeth groove.Therefore, limited the scope of application on high precise equipment.
And the stator core of permagnetic synchronous motor is multi-groove shape, the winding of the inside is distributed winding, and matching used commutation electronic installation, that is: servo controller, makes permagnetic synchronous motor have good sinusoidal mmf wave and speed adjusting performance.Therefore, be widely used on high precise equipment.Although there is fine speed governing operation performance, compare brshless DC motor, its shortcoming is that cost of manufacture is higher, torque, efficiency are inferior a bit.
Reduce and start at present good do not adopted method for two-phase torque pulsation of brushless DC motor and on body, mainly contain following several types: the methods such as stator fractional-slot, skewed slot or skewed-rotor, rotor eccentricity, but not ideal, also increase to a certain extent cost.
Summary of the invention
For existing two phase brushless DC motors or permagnetic synchronous motor Shortcomings, the technical program is by changing motor stator shape, makes that pole span shortens, three tooth polar arc face air gaps distribute similar in appearance to being sinusoidal rule changes shape.Change current permanent-magnetic synchronous motor stator one utmost point and need to can reach magnetic potential sinusoidal waveform compared with teeth cells.Utilizing tooth 4 is features total between phase and phase magnetic pole, there is the effect that phase and phase pole field merges handing-over, produce the effect similar in appearance to circular rotating field, thereby further reduce the electromagnetism pulsation phenomenon of double salient-pole electric machine, motor is operated steadily, reducing noise, efficiency, torque have further raising.
A kind of two phase brushless DC motors and sinusoidal stator technical scheme, comprise stator 9 and rotor permanent magnetic pole 10.Wherein, be installed on one end and rotor permanent magnetic pole 10 on stator 9 iron cores by hall position sensor and form the signal sampling part in two-phase electronics commutation device control circuit.
Please refer to Fig. 1, described one two phase brushless DC motors and sinusoidal stator, there are several teeth 5 to equate by the circular arc distance between circle-shaped alternate intervals arrangement and tooth 5 tooth bodies and the tooth 4 tooth body axle neutral lines with tooth 4, some A phase grooves 6,7 associations of B phase groove between several teeth 5, tooth 4 and groove area equate, tooth 5 tooth body width are the more than two times of tooth 4 tooth body width.
Because the power difference of motor, tooth 5 tooth body width and tooth 4 tooth body width are just determined according to power of motor size shape.
Between stator 9 winding iron core magnetic poles in the technical program and rotor permanent magnetic pole 10, polar arc face air gap 14 is non-homogeneous air gap, is similar in appearance to the air gap changing by sinusoidal rule.Wherein, tooth 5 cambered surfaces in stator are the mechanical configurations cambered surfaces that change by sinusoidal rule, tooth 5 cambered surface air gaps are the sinusoidal gradual change air gap that intermediate air gap is little, two ends air gap is large, that is: gradually air gap is become to large by sinusoidal rule in two ends taking the tooth 5 tooth body axle neutral lines to the left and right as line of demarcation along tooth 5 cambered surfaces, tooth 4 cambered surface air gaps are even air gap and are a bit larger tham tooth 5 cambered surface two ends air gaps.
The embedding method of single coil is that pole span one is holding taking tooth 4, tooth 5, tooth 4 three teeth as a utmost point across four, one mutually in some single coils connect into a phase winding, every phase winding connects into respectively some magnetic poles symmetrical to number of pole-pairs, and every every utmost point iron core in is mutually that main, left and right tooth 4 is that auxiliary three teeth rearrange and polar arc face air gap is sinusoidal rule distribution shape by tooth 5 respectively.
A phase winding 1 is embedded in 6 li of A phase grooves and is holding tooth 4, tooth 5, tooth 4 three teeth composition A phase core magnetic poles 11 and adjacent B phase winding 2 and be embedded in 7 li of B phase grooves and holding tooth 4, tooth 5, tooth 4 three teeth and form B phase core magnetic poles 22 90 ° of electrical degrees each other on locus.
Described one two phase brushless DC motors and sinusoidal stator also configure the electronics commutation circuit control device such as two-phase H bridge driver, different as required, can adopt closed loop, also can adopt controlling of open loop.
In described stator 9, every phase winding connects into some to symmetrical magnetic poles such as N/S.
The formation of described a kind of two phase brushless DC motors can have different number of stator slots and rotor number of poles.
Following table has been listed the corresponding relation of several number of stator slots and rotor number of poles.
| Stator teeth groove number | 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 |
| Rotor number of poles | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
Not only only have above-mentioned these corresponding relations, the ratio that can also be four times of rotor numbers of poles according to number of stator slots continues to extend the corresponding relation of stator and rotor.
Described stator 9 iron core width of rebate are 2mm to 3mm.
The pole span that tooth 4, tooth 5, tooth 4 on described rotor permanent magnetic pole 10 1 utmost point pole span >=stator 9 iron cores forms from or for (0.9～0.65) × π D/P.D is root diameter, and P is rotor number of poles.
Described rotor permanent magnetic pole 10 can be salient pole type or hidden pole type.
Described field spider permanent magnet poles 10 is circular cambered surface, and magnetic pole is radial magnetizing or parallel magnetization, is shaped as a watt shape, is bonded on rotor core.
In order to reduce cogging torque, there are two kinds of conventional methods, stator 9 teeth groove are that skewed slot or rotor permanent magnetic pole 10 are the oblique utmost point.
Described stator 9 teeth groove and rotor permanent magnetic pole 10 are oblique, are cross shaped head and skewed slot degree and equate.If when a utmost point polar arc face of rotor permanent magnetic pole 10 one end goes to stator 9 one utmost point winding iron core magnetic pole polar arc face 2 acute angle points when crossing, the maximum spacing 15 between the cambered surface of other end the two poles of the earth is two times of above width of rebate.This is as the reference of rotor skewed slot degree.Also will weigh in addition the impact of stator-rotor iron core length on skewed slot degree, length is longer, and its skewed slot degree is less, otherwise larger.This is again a kind of method.
In order to determine rotor permanent magnetic pole 10 positions, adopt in the two-phase position that the pole axis neutral line place of 90 ° of electrical degrees establishes a magnetosensitive position transducer and determine rotor permanent magnetic pole 10 each other.
Described rotor permanent magnetic pole 10 doubles as rotor-position permanent magnet poles, and its number of pole-pairs is identical with the number of pole-pairs of stator 9 every phase windings.
Not only magnetosensitive position transducer, photosensitive position transducer or utilize inductance value size on the every phase winding of stator 9 can determine equally the position of rotor permanent magnetic pole 10.
Two magnetosensitive position transducers are located at respectively the pole axis neutral line place of A phase core magnetic pole 11, B phase core magnetic pole 22 successively.In the time that rotor rotates, the permanent magnet poles N utmost point and the S utmost point are in turn by hall position sensor H1 and H2, thereby produce two of respective rotor position positive with two negative Hall voltages, after amplifying, control field effect transistor conducting, make two-phase stator winding switch current in turn.
Described one two phase brushless DC motors and sinusoidal stator can be internal stator or external stator.
Described one two phase brushless DC motors and sinusoidal stator profile can be square or circular.
Described one two phase brushless DC motors and sinusoidal stator can be motor or generator.
Described one two phase brushless DC motors and sinusoidal stator can be linear electric motors.
One two phase brushless DC motors and sinusoidal stator that described Linear motion actuator stator structure can be regarded a rotation as form by radially cutting also generate plane open.
In described one two phase brushless DC motors and sinusoidal stator, tooth 4, tooth 5, tooth 4 three teeth form a utmost point, three tooth machinery polar arc faces are sinusoidal rule distribution shape, and polar arc face air gap is also sinusoidal rule distribution shape, and the magnetic potential of air gap waveform producing when coil electricity is also close to sinusoidal waveform.Increase tooth 5 tooth bodies, dwindle tooth 4 tooth body width, pole span is shortened, but an extremely total iron core magnetic is close constant, pole span shortens, and coil is just less, and stator coil end length shortens, and coil resistance is little, loss just reduces; Due to only three teeth of the number of teeth of composition one utmost point, from motor on the whole, the stator slot number of teeth is fewer, and groove tooth utilance increases, and teeth groove harmonic content is fewer, and Cogging Torque will be less, and loss will further reduce.In addition, the two stator magnetic potentials that are combined to and rotor magnetic potential are 90 ° of electric angles, are maximum moment.This is a feature of two-phase electric machine.
In described one two phase brushless DC motors and sinusoidal stator, tooth 5 is main tooth, and tooth 4 is that auxiliary tooth is also for phase and phase magnetic pole is total.Utilizing tooth 4 is features total between phase and phase magnetic pole, has phase and phase pole field and merges the effect joining.Be that master, left and right tooth 4 are that auxiliary three teeth rearrange a utmost point owing to adopting tooth 5, polar arc face air gap is sinusoidal rule distribution shape, makes the mmf wave producing in coil electricity closer to Sine distribution shape, produces the effect similar in appearance to circular rotating field.
Adopt the technical program advantage to be: 1. every mutually every utmost point is taking tooth 5 as main, left and right tooth 4 as auxiliary three teeth rearrange and polar arc face air gap is sinusoidal rule distribution shape, there is good sinusoidal wave mmf wave, utilizing tooth 4 is features total between phase and phase magnetic pole, produce the effect similar in appearance to circular magnetic field, there is phase and phase homopolar field and merge the effect joining.Having overcome brshless DC motor and permagnetic synchronous motor deficiency, is one two phase brushless DC motors that integrate two kinds of advantages.2. stator two-phase composite magnetic power and rotor magnetic potential are always 90 ° of electric angles, and it is maximum that moment keeps forever.3. coil rule is simple, can use coil inserting apparatus embed wholly, reduces manual operation intensity.
Brief description of the drawings
Fig. 1 is stator, the rotor deployed configuration schematic diagram of a kind of two phase brushless DC motors and sinusoidal stator.
Figure 1A is a kind of two phase brushless DC motors and sinusoidal stator four utmost point embodiment schematic diagrames.
Figure 1B is a kind of two phase brushless DC motors and sinusoidal stator, rotor four utmost point embodiment schematic diagrames.
Fig. 2 is the motor general assembly structural representation of a kind of two phase brushless DC motors and sinusoidal stator.
Fig. 3 is a kind of two phase brushless DC motors and sinusoidal stator rotor intersection skewed slot deployed configuration schematic diagram.
Fig. 4 is a kind of two phase brushless DC motors and sinusoidal stator H bridge driver main circuit.
In figure: the 1st, A phase winding, the 2nd, B phase winding, the 4th, tooth, the 5th, tooth, the 6th, A phase groove, the 7th, B phase groove, the 9th, stator, the 10th, rotor permanent magnetic pole, the 11st, A phase core magnetic pole, the 14th, air gap, the 15th, spacing, the 22nd, B phase core magnetic pole.
Specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Please refer to Fig. 1, Figure 1B, Fig. 2, a kind of two phase brushless DC motors and sinusoidal stator, comprise stator 9, rotor permanent magnetic pole 10 etc.Wherein, the side and the rotor permanent magnetic pole 10 that are installed on stator 9 iron core inner circles by hall position sensor form the signal sampling part in two-phase electronics commutation circuit device.
Please refer to Figure 1A, described one two phase brushless DC motors and sinusoidal stator stator four utmost point models, have 16 tooth 16 grooves, and material is high magnetic conduction silicon steel sheet or silicon steel sheet.
16 grooves are divided into eight A phase grooves 6, eight B phase grooves 7 and groove area and equate, are embedded with respectively A phase winding 1, B phase winding 2 in groove.
16 teeth are divided into eight teeth 5, eight teeth 4 are arranged by circle-shaped alternate intervals, and the circular arc distance between tooth 5 tooth bodies and the tooth 4 tooth body axle neutral lines equates, tooth 5 tooth body width are the more than two times or two times of tooth 4 tooth body width.
In this example, taking tooth 5 tooth body width as 8mm, tooth 4 tooth body width design for 2.6mm.
Between described stator 9 winding iron core magnetic poles and rotor permanent magnetic pole 10, polar arc face air gap 14 is non-homogeneous air gap, is similar in appearance to the air gap changing by sinusoidal rule.Wherein, tooth 5 cambered surfaces are the mechanical configurations cambered surfaces that change by sinusoidal rule, and tooth 5 cambered surface air gaps are sinusoidal gradual change air gap, and that is: intermediate air gap minimum, two ends air gap maximum become large by air gap in two ends taking tooth 5 tooth body axis as line of demarcation along tooth 5 cambered surfaces to the left and right gradually; Tooth 4 cambered surface air gaps are even air gap, slightly larger than tooth 5 cambered surface air gaps.
To be pole span one holding tooth 4, tooth 5, tooth 4 three teeth across four to the embedding method of single coil is a utmost point, and A phase winding 1 is embedded in 6 li of eight A phase grooves and is holding tooth 4, tooth 5, four A phase core magnetic poles 11 of tooth 4 three teeth compositions and adjacent B phase winding 2 and be embedded in 7 li of eight B phase grooves and holding tooth 4, tooth 5, tooth 4 three teeth and form four B phase core magnetic poles 22,90 ° of electrical degrees each other on locus.
Four A phase core magnetic poles 11, four B phase core magnetic pole 22 polar arc faces are that main, left and right tooth 4 is that auxiliary three teeth rearrange and polar arc face air gap is sinusoidal rule distribution shape by tooth 5 respectively.
Please refer to Figure 1A, 1B, the described every phase winding of stator 9 connects into the symmetrical magnetic pole of N/S/N/S.
Please refer to Fig. 4, described one two phase brushless DC motors and sinusoidal stator also configure two-phase H bridge driver open loop or closed control circuit.
The formation of described a kind of two phase brushless DC motors can have different number of stator slots and rotor number of poles.
Following table has been listed the corresponding relation of several number of stator slots and rotor number of poles.
| Stator teeth groove number | 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 |
| Rotor number of poles | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
Not only only have above-mentioned these corresponding relations, the ratio that can also be four times of rotor numbers of poles according to number of stator slots continues to extend the corresponding relation of stator and rotor.
Described rotor permanent magnetic pole 10 is salient pole type or hidden pole type.
Described rotor permanent magnetic pole 10 is N/S/N/S tetra-utmost point permanent magnet poles.
Described rotor permanent magnetic pole 10 1 utmost point pole spans are (0.9～0.65) × π D/P.D is root diameter, and P is rotor number of poles.
Described field spider permanent magnet poles 10 is circular cambered surface, and magnetic pole is radial magnetizing or parallel magnetization, is shaped as a watt shape, is bonded on rotor core.
Described A phase core magnetic pole 11 and B phase core magnetic pole 22 be 45 ° of mechanical angles each other in locus.
Described hall position sensor H2 is bonded at A phase core magnetic pole 11 pole axis neutral line place one sides, and hall position sensor H1 is bonded at B phase core magnetic pole 22 pole axis neutral line place one sides, be separated by 45 ° of mechanical angles of hall position sensor H1 and H2.
Described rotor permanent magnetic pole 10 doubles as rotor-position permanent magnet poles, and its number of pole-pairs is identical with the number of pole-pairs of stator 9 every phase windings.
Described stator 9 width of rebate are 2mm to 3mm
In order to reduce cogging torque, there are two kinds of common methods, stator 9 teeth groove are that skewed slot or rotor permanent magnetic pole 10 are the oblique utmost point.
Please refer to Fig. 3, another kind of method is that described stator 9 teeth groove and rotor permanent magnetic pole 10 are oblique, are cross shaped head and skewed slot degree and equate.If when a utmost point polar arc face of rotor permanent magnetic pole 10 one end goes to stator 9 one utmost point polar arc face 2 acute angle points when crossing, the maximum spacing 15 between the cambered surface of other end the two poles of the earth is two times of above width of rebate.This is as the reference of rotor skewed slot degree.Also will weigh in addition the impact of stator-rotor iron core length on skewed slot degree, length is longer, and its skewed slot degree is less, otherwise larger.
Described here refers to identical concept taking tooth 5 as main, left and right tooth 4 as auxiliary three teeth rearrange a utmost point and rearrange a utmost point with tooth 4, tooth 5, tooth 4 three teeth.
Two described phase brushless DC motors and sinusoidal stator versatility are stronger, can be used for industrial automatic control field, as servomotor, and electric vehicle motor etc.
It should be noted that: the different motor of various numbers of poles has the Best Point of its work.
It should be noted that: this described embodiment is project optimization of the present invention, but invention is not limited in embodiment, any improvement, replacement or conversion under flesh and blood of the present invention all belongs to the scope of protection of the invention.
Claims (7)
1. a phase brushless DC motor and sinusoidal stator, comprise the two-phase stator core winding of 90 ° of electric angles each other, the electronics such as p-m rotor and position transducer thereof commutation device, it is characterized in that: described rotor is provided with some N/S rotor permanent magnetic poles (10) to parallel magnetization or radial magnetizing and doubles as rotor-position permanent magnet poles, described stator (9) has several teeth (5) to equate by the circular arc distance between circle-shaped alternate intervals arrangement and tooth (5) tooth body and tooth (4) the tooth body axle neutral line with tooth (4), some equal groove associations are between tooth (5) and tooth (4) and be embedded with two-phase winding in impartial groove, every phase winding connects into respectively the polar-symmetric magnetic pole of some N/S and on pole core, is provided with two-phase position transducer, every utmost point iron core in every phase winding is respectively by tooth (4), tooth (5), tooth (4) three teeth rearrange and polar arc face air gap is sinusoidal rule distribution shape, wherein, every phase winding number of poles or stator (9) groove number identical with rotor permanent magnetic pole (10) number of poles is four times of rotor permanent magnetic pole (10) number of poles, that is: the stator slot number of teeth and rotor number of poles have following corresponding relation,
2. a kind of two phase brushless DC motors according to claim 1 and sinusoidal stator, is characterized in that: described two-phase winding is that A phase winding (1) is embedded in inner tooth (4), tooth (5), tooth (4) three teeth composition A phase core magnetic poles (11) and the adjacent B phase winding (2) of holding of A phase groove (6) and is embedded in the inner tooth (4), tooth (5), tooth (4) three teeth of holding of B phase groove (7) and forms spatially 90 ° of electrical degrees each other of B phase core magnetic poles (22).
3. a kind of two phase brushless DC motors according to claim 1 and 2 and sinusoidal stator, it is characterized in that: described tooth 5 cambered surfaces are the mechanical configurations cambered surfaces that change by sinusoidal rule, tooth (5) cambered surface air gap is the sinusoidal gradual change air gap that the little two ends of intermediate air gap air gap is large, and tooth (4) cambered surface air gap is even air gap and is a bit larger tham tooth (5) cambered surface two ends air gap.
4. according to one two phase brushless DC motors and sinusoidal stator described in claim 1 or 2 or 3, it is characterized in that: described tooth (5) tooth body width is the more than two times or two times of tooth (4) tooth body width.
5. a kind of two phase brushless DC motors according to claim 1 and sinusoidal stator, is characterized in that: described rotor permanent magnetic pole (10) one utmost point pole spans are (0.9～0.65) × π D/P.
6. a kind of two phase brushless DC motors according to claim 1 and sinusoidal stator, is characterized in that: described stator 9 teeth groove and rotor permanent magnetic pole 10, for oblique, be cross shaped head and skewed slot degree and equate.
7. a kind of two phase brushless DC motors according to claim 1 and sinusoidal stator, it is characterized in that: described two-phase position transducer is hall position sensor H1, H2,90 ° of electrical degrees each other on locus, and be pasted on respectively the locus A phase core magnetic pole (11), the axle neutral line one side of B phase core magnetic pole (22) of 90 ° of electrical degrees each other.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326323.XA CN104079137A (en) | 2014-07-08 | 2014-07-08 | Two-phase brushless direct current motor and sine stator |
| CN201420744756.2U CN204258453U (en) | 2014-07-08 | 2014-12-02 | A kind of stator and accordingly brshless DC motor and three-phase switch reluctance machine |
| CN201410719607.5A CN104410177B (en) | 2014-07-08 | 2014-12-02 | A kind of stator and its corresponding brshless DC motor and three-phase switch reluctance machine |
| PCT/CN2015/082402 WO2016004823A1 (en) | 2014-07-08 | 2015-06-25 | Stator, brushless direct current motor, three-phase switch reluctance motor and shaded pole motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326323.XA CN104079137A (en) | 2014-07-08 | 2014-07-08 | Two-phase brushless direct current motor and sine stator |
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| Publication Number | Publication Date |
|---|---|
| CN104079137A true CN104079137A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410326323.XA Pending CN104079137A (en) | 2014-07-08 | 2014-07-08 | Two-phase brushless direct current motor and sine stator |
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| CN (1) | CN104079137A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016004823A1 (en) * | 2014-07-08 | 2016-01-14 | 顾明 | Stator, brushless direct current motor, three-phase switch reluctance motor and shaded pole motor |
| CN108933508A (en) * | 2018-08-31 | 2018-12-04 | 南京埃克锐特机电科技有限公司 | A kind of High speed SRM |
| CN109617324A (en) * | 2018-12-13 | 2019-04-12 | 湘电莱特电气有限公司 | A kind of permanent magnet machine rotor sine and cosine wave generating device |
| CN110544994A (en) * | 2018-05-28 | 2019-12-06 | 上海鸣志电器股份有限公司 | Stepping motor stator and stepping motor with same |
| CN110880820A (en) * | 2019-11-29 | 2020-03-13 | 西安交通大学 | Two-phase direct current bias current vernier reluctance motor |
| CN112600321A (en) * | 2020-12-01 | 2021-04-02 | 利欧集团浙江泵业有限公司 | Stator and rotor structure of permanent magnet control motor with positioning induction function |
| CN114050671A (en) * | 2022-01-11 | 2022-02-15 | 中国科学院宁波材料技术与工程研究所 | Homopolar same-slot three-phase permanent magnet motor |
| CN118117781A (en) * | 2024-04-28 | 2024-05-31 | 比亚迪股份有限公司 | Stator, suspension motor, suspension system and vehicle |
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- 2014-07-08 CN CN201410326323.XA patent/CN104079137A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016004823A1 (en) * | 2014-07-08 | 2016-01-14 | 顾明 | Stator, brushless direct current motor, three-phase switch reluctance motor and shaded pole motor |
| CN110544994A (en) * | 2018-05-28 | 2019-12-06 | 上海鸣志电器股份有限公司 | Stepping motor stator and stepping motor with same |
| CN108933508A (en) * | 2018-08-31 | 2018-12-04 | 南京埃克锐特机电科技有限公司 | A kind of High speed SRM |
| CN108933508B (en) * | 2018-08-31 | 2020-04-07 | 南京埃克锐特机电科技有限公司 | High-speed switched reluctance motor |
| CN109617324A (en) * | 2018-12-13 | 2019-04-12 | 湘电莱特电气有限公司 | A kind of permanent magnet machine rotor sine and cosine wave generating device |
| CN110880820A (en) * | 2019-11-29 | 2020-03-13 | 西安交通大学 | Two-phase direct current bias current vernier reluctance motor |
| CN112600321A (en) * | 2020-12-01 | 2021-04-02 | 利欧集团浙江泵业有限公司 | Stator and rotor structure of permanent magnet control motor with positioning induction function |
| CN114050671A (en) * | 2022-01-11 | 2022-02-15 | 中国科学院宁波材料技术与工程研究所 | Homopolar same-slot three-phase permanent magnet motor |
| CN118117781A (en) * | 2024-04-28 | 2024-05-31 | 比亚迪股份有限公司 | Stator, suspension motor, suspension system and vehicle |
| CN118117781B (en) * | 2024-04-28 | 2024-07-16 | 比亚迪股份有限公司 | Stator, suspension motor, suspension system and vehicle |
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Application publication date: 20141001 |