CN201846216U - 12-phase brushless DC motor - Google Patents
12-phase brushless DC motor Download PDFInfo
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- CN201846216U CN201846216U CN2010206101200U CN201020610120U CN201846216U CN 201846216 U CN201846216 U CN 201846216U CN 2010206101200 U CN2010206101200 U CN 2010206101200U CN 201020610120 U CN201020610120 U CN 201020610120U CN 201846216 U CN201846216 U CN 201846216U
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- motor
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- phase brushless
- winding coil
- laminated core
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Abstract
A 12-phase brushless DC motor comprises a laminated core (1), winding coils (3) are arranged on the laminated core (1), the 12-phase brushless DC motor is characterized in that each winding coil (3) is provided with a 12-phase coil, and the winding coils (3) are evenly distributed on the laminated core (1) in sequence. The 12-phase windings of each winding coil (3) form a 24-vector star-type vector map in the space, and the included angle of adjacent vectors is 15 degrees. Tooth sockets (2) are arranged on the laminated core (1), and each electrical angle of adjacent tooth sockets (2) is 15 degrees or 165 degrees. Compared with a conventional 3-phase or 6-phase brushless motor, the 12-phase brushless DC motor provided by the utility model has the advantages of more positioning points, small location torque, smooth output torque, less noises caused by phase change impacts and high efficiency. The 12-phase brushless DC motor is particularly suitable to be used on electric motorcars and ship systems of which the power is higher than 5 KW and the requirements for reliability are high.
Description
Technical field
The present invention relates to a kind of 12 phase brushless DC motors (being designated hereinafter simply as this motor).The technology that this motor adopted belongs to technical field of motors.Its application class belongs to motor vehicle, boats and ships Driving technique.This motor is specially adapted to use storage battery or other various energy-accumulating power stations high power electric vehicle (comprising electric motor coach, electric automobile, electric four-wheel vehicle, battery-operated motor cycle etc.), the ship as power.The utility model relates to cable connecting arrangement, the special-purpose intermediate connector of especially a kind of fireproof cable.
Background technology
At present, along with the development of vehicle technology, three-phase brushless dc motor has replaced brush motor to obtain utilization the most widely.Six phase brushless DC motors have also been gone out on the nearly 2 years markets.The favourable development that promotes electric motor car.Simultaneously, the development of electric vehicle engineering is to the demands for higher performance of drive motors.Mainly comprise: have more high-power grade; Drive steadily, noise is little; Has high conversion efficiency, the utilization rate of electrical height; Location torque is little, and resistance is little when sliding; Reduction is to the requirement of controller; Require motor and controller to have higher reliability.
Though it is ripe that the three-phase brushless motor technology has been tending towards, owing to heavy-duty motor is had relatively high expectations to controller, and the commutation noise is big, and location torque is big.Controlled device technology limitation, real electrical machinery power is less, mainly uses on electric bicycle and part battery-operated motor cycle.Seldom the drive motors as electric automobile uses.
Existing six phase brushless DC motors make moderate progress on above every performance than three-phase brushless dc motor.But its location torque is big, and sliding performance is poor.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of 12 phase brushless DC motors, this motor is by reaching shake and the noise that reduces motor to determining of motor windings vector number and the number of magnetic poles and the number of phases, reduce location torque, guarantee that the same power grade controller that cooperates with it is easy to make, reduce the purpose of drive system cost.
The technical solution of the utility model is:
A kind of 12 phase brushless DC motors comprise laminated core, and laminated core is provided with winding coil, and described winding coil has ten diphase windings and evenly distribution of order on laminated core.
Ten two-phase winding of described winding coil constitute the star-like polar plot of 24 vectors in the space, the angle of adjacent two vectors is 15 degree.
Described laminated core is provided with the groove tooth, and the electrical degree of adjacent two groove teeth is 15 degree or 165 degree.
The quantity of the permanent magnetism magnetic pole of described motor and groove tooth corresponding relation are: 1 pair of corresponding 24 groove tooth of permanent magnetism magnetic pole, 2 pairs of corresponding 48 groove teeth of permanent magnetism magnetic pole, 5 pairs of corresponding 48 groove teeth of permanent magnetism magnetic pole, 11 pairs of corresponding 24 groove teeth of permanent magnetism magnetic pole, 19 pairs of corresponding 48 groove teeth of permanent magnetism magnetic pole or 22 pairs of corresponding 48 groove teeth of permanent magnetism magnetic pole.
Described laminated core and winding coil constitute armature, as the stator of motor, also comprise mandrel, and mandrel is provided with casing cylinder outward, and casing cylinder is provided with thulium permanent magnet outward, and casing cylinder is as the rotor of motor.
The version of described this motor is armature or internal magnetic field external armature in the external magnetic field.
Described motor is a motor, be power supply with the direct current by with controller cooperate to come output mechanical energy, perhaps described motor is a generator, is dragged by other external equipments, outwards exports electric energy by the 12-phase rectification device.
Described motor is electronic and the generating all-in-one, and part three-phase winding coil connects power supply as the winding coil of motor, and part three-phase winding coil is as winding coil (3) the output electric energy of generator.
The beneficial effects of the utility model are:
12 phase brushless DC motors of the utility model adopt 24 vectors at interval 15 degree arrange, the adjacent two grooves electricity of iron core angle is 165 degree, has effectively increased rotor and has located weekly and count, and has reduced location torque.Under the constant situation of every phase power, because the number of phases increases, power of motor strengthens.Under the constant situation of the every phase power output of controller, ten two-phase power outputs strengthen.Under equal power output situation, the manufacturing of controller becomes simple and realizes easily.Simultaneously because the number of phases is more, if motor or controller have part to damage mutually, remaining all then can remaining in operation of complete three-phase structure that possess.Thereby increased the reliability of drive system.
The utility model and existing three-phase and six brushless electric machine are mutually compared, and the location is counted many, and location torque is little, and output torque is steady, and the commutation impact noise is little, the efficient height.The utility model is particularly suitable for power needs reliability requirement than higher electric motor car, boat system more than 5KW.
Description of drawings
Fig. 1 is the cross section and the ten two-phase winding distribution schematic diagrams of motor of the present utility model.
Fig. 2 is the star-like polar plot of this motor of motor of the present utility model.
Among the figure: 1 is that laminated core, 2 is that groove tooth, 3 is that winding coil, 4 is that mandrel, 5 is that motor housing body, 6 is that thulium permanent magnet, 7 is a casing cylinder.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
A kind of 12 phase brushless DC motors comprise laminated core 1, and laminated core 1 is provided with winding coil 3, and every winding coil 3 has ten diphase windings and evenly distribution of order on laminated core 1.Ten two-phase winding of every winding coil 3 constitute the star-like polar plot of 24 vectors in the space, the angle of adjacent two vectors is 15 degree.Laminated core 1 is provided with groove tooth 2, and the electrical degree of adjacent two groove teeth 2 is 15 degree or 165 degree.
The quantity of the permanent magnetism magnetic pole of motor and groove tooth 2 corresponding relations are: 1 pair of corresponding 48 groove tooth 2 of 2,19 pairs of permanent magnetism magnetic poles of corresponding 24 the groove teeth of 2,11 pairs of permanent magnetism magnetic poles of corresponding 48 the groove teeth of 2,5 pairs of permanent magnetism magnetic poles of corresponding 48 the groove teeth of 2,2 pairs of permanent magnetism magnetic poles of corresponding 24 the groove teeth of permanent magnetism magnetic pole or 22 pairs of corresponding 48 groove teeth 2 of permanent magnetism magnetic pole.Laminated core 1 and winding coil 3 constitute armature, as the stator of motor, also comprise mandrel 4, and the mandrel 4 outer casing cylinders 7 that are provided with are provided with thulium permanent magnet 6 outside the casing cylinder 7, and casing cylinder 7 is as the rotor of motor.The version of this motor is armature or internal magnetic field external armature in the external magnetic field.
Motor is a motor, be power supply with the direct current by with controller cooperate to come output mechanical energy, perhaps described motor is a generator, is dragged by other external equipments, outwards exports electric energy by the 12-phase rectification device.Motor is electronic and the generating all-in-one, and part three-phase winding coil connects power supply as the winding coil of motor, and part three-phase winding coil is as the winding coil 3 output electric energy of generator.
Motor of the present utility model can be electronic and the generating one, promptly can feed DC power supply with 6,9 phase coils 3, and realize the motor rotation, and 9,6,3 phase coils are in addition externally exported electric energy in order to generate electricity by 9,6,3 commutating phase devices.
Motor of the present utility model can be realized electronic and generating simultaneously, can use dragging of self to realize measurement of power.Motor of the present utility model can generate electricity externally power supply when providing power so that the DC power supply realization is electronic.Realize direct current DC input, machine power and direct current DC output.
General motor and generator are reversible, are motor when exporting electric energy when external force driving rotor rotation; When the input electric energy, be motor during output mechanical energy by rotor rotation; But can not only make motor but also make generator simultaneously.
Motor of the present utility model is owing to have 12 phases, as long as and have the most basic 3 to feed DC power supply mutually, motor is promptly rotatable.And when motor rotates, but all the other 9 equal cutting magnetic lines and produce electric current and generate electricity mutually.Because real at present practical motor is an elementary cell with 3 mutually all.Be 3 multiple so participate in the generating or the electronic number of phases.Even other modes have also impracticable.
Be that same 12 phase motor synchronizations of the present utility model have the part winding element electronic, the other unit is in generating.Be prime mover be again load.
As Fig. 1, the formation and the principle of 12 phase brushless DC motors of the utility model:
Iron core 1 is built up by silicon steel punched chip, be evenly distributed with groove tooth 2 above, be wound with ten diphase winding windings 3 on each groove tooth 2 respectively, every phase winding is by the designing requirement ordered arrangement, ten two-phase winding systems can be linked to be 4 three-phase systems, each three-phase system stagger 15 the degree.Iron core is through just becoming motor stator after rule and cored axle 4.22 or 26 thulium permanent magnets 6 are sticking to be posted on casing cylinder 7 surfaces, and casing cylinder 7 be silicon steel sheet lamination or low carbon materials, also makes magnetic guiding loop, radially N, the cross arrangement of the S utmost point, formation rotor.Keep concentricity by electric motor end cap support rotor and motor stator, keep certain air-gap between permanent magnetic steel inner surface and the stator cylindrical.Motor mandrel 4 and stator do not change after the assembling, casing cylinder 7 and magnet steel 6 and end cap rotation.
It is fixing that the utility model can be made mandrel 4, the wheel hub motor of motor housing body 5 rotations.In Fig. 1, mandrel 1 is fixed with vehicle frame, motor housing body 5 and the fixing then directly drive wheels rotation of wheel, and then the drive vehicle advances or retreats.
If motor housing body 5 is associated in wheel hub, refilling tire on the wheel hub just becomes electric vehicle hub.Energising can the powered vehicle advance and retreat.
12 phase brushless DC motors of the utility model are installed according to the technical merit of controller or installation site transducer not.Hall position sensor is generally arranged according to 120 degree or 60 degree.
The utility model is because magnetic pole logarithm and number of slots are the 1 pair of utmost point 24 groove, the 5 pairs of utmost point 48 grooves, the 11 pairs of utmost point 24 grooves, the 19 pairs of utmost point 48 grooves, the star-like polar plot of motor does not repeat, the groove number of teeth is vector and counts (see figure 2), the 2 pairs of utmost point 48 grooves of the present utility model, the 22 pairs of utmost point 48 grooves, star-like polar plot only repeats once.Under the situation of the same groove number of teeth, count and reach at most in motor revolution location, and it is minimum that the torque pulsation of motor reaches.The adjacent two groove electrical degrees of this motor are 165 degree (15 degree), more approach 180 degree equilibrium valves than most comparing at 150 degree on the market, so the motor location torque are very little.
4 groups of three-phase structures of ten two-phases, 24 states of the present utility model stagger successively 15 the degree electrical degrees, 12 phase sequences are devoted oneself to work during real work, total commutation number of times is 4 times of common three phase electric machine, but the commutation number of times of every phase winding does not change, with each commutation power reduction under the constant power, rush of current is also corresponding less.Help the motor even running.It also is favourable that less current is impacted controller.
In the middle of Fig. 1, laminated core 1 is fixed on the mandrel 4, is wound with winding coil 3 on the groove tooth 2 of iron core 1, constitutes motor stator.Thulium permanent magnet 6 glues and is posted on casing cylinder 7 surfaces, and casing cylinder 7 is a low carbon materials, also makes magnetic guiding loop, and the radially N of thulium permanent magnet 6, the cross arrangement of the S utmost point constitute rotor.Every phase winding coil 3 becomes ten two-phase winding systems by the designing requirement ordered arrangement, and the electrical degree between adjacent two coils is 165 degree.
In the middle of Fig. 2, the star-like polar plot of motor windings shows that the adjacent vector angle of motor is 15 degree, and the vector number is 24, does not repeat.
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; do not breaking away under the utility model design concept prerequisite; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement; all should fall into protection range of the present utility model, the technology contents that the utility model is asked for protection all is documented in claims.
Claims (8)
1. a phase brushless DC motor comprises laminated core (1), and laminated core (1) is provided with winding coil (3), it is characterized in that described every winding coil (3) has ten diphase windings and goes up evenly distribution of order at laminated core (1).
2. 12 phase brushless DC motors according to claim 1 is characterized in that ten two-phase winding of described every winding coil (3) constitute the star-like polar plot of 24 vectors in the space, and the angle of adjacent two vectors is 15 degree.
3. 12 phase brushless DC motors according to claim 1 is characterized in that described laminated core (1) is provided with groove tooth (2), and the electrical degree of adjacent two groove teeth (2) is 15 degree or 165 degree.
4. 12 phase brushless DC motors according to claim 3 is characterized in that the quantity and groove tooth (2) corresponding relation of the permanent magnetism magnetic pole of described motor is: 1 pair of corresponding 24 groove tooth (2) of permanent magnetism magnetic pole, 2 pairs of corresponding 48 groove teeth (2) of permanent magnetism magnetic pole, 5 pairs of corresponding 48 groove teeth (2) of permanent magnetism magnetic pole, 11 pairs of corresponding 24 groove teeth (2) of permanent magnetism magnetic pole, 19 pairs of corresponding 48 groove teeth (2) of permanent magnetism magnetic pole or 22 pairs of corresponding 48 groove teeth (2) of permanent magnetism magnetic pole.
5. 12 phase brushless DC motors according to claim 1, it is characterized in that described laminated core (1) and winding coil (3) constitute armature, stator as motor, also comprise mandrel (4), the outer casing cylinder (7) that is provided with of mandrel (4), casing cylinder (7) is outer to be provided with thulium permanent magnet (6), and casing cylinder (7) is as the rotor of motor.
6. 12 phase brushless DC motors according to claim 1, the version that it is characterized in that described this motor are armature or internal magnetic field external armatures in the external magnetic field.
7. 12 phase brushless DC motors according to claim 1, it is characterized in that described motor is a motor, be power supply with the direct current by with controller cooperate to come output mechanical energy, perhaps described motor is a generator, dragged by other external equipments, outwards export electric energy by the 12-phase rectification device.
8. 12 phase brushless DC motors according to claim 1, it is characterized in that described motor is electronic and the generating all-in-one, part three-phase winding coil connects power supply as the winding coil of motor, and part three-phase winding coil is as winding coil (3) the output electric energy of generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206101200U CN201846216U (en) | 2010-11-17 | 2010-11-17 | 12-phase brushless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206101200U CN201846216U (en) | 2010-11-17 | 2010-11-17 | 12-phase brushless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201846216U true CN201846216U (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206101200U Expired - Fee Related CN201846216U (en) | 2010-11-17 | 2010-11-17 | 12-phase brushless DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201846216U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259359A (en) * | 2013-05-15 | 2013-08-21 | 苏州益高电动车辆制造有限公司 | Direct current polyphase machine |
| CN103280902A (en) * | 2013-05-06 | 2013-09-04 | 东南大学 | Twelve-phase stator permanent magnet type magnetic flux switching motor |
-
2010
- 2010-11-17 CN CN2010206101200U patent/CN201846216U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280902A (en) * | 2013-05-06 | 2013-09-04 | 东南大学 | Twelve-phase stator permanent magnet type magnetic flux switching motor |
| CN103280902B (en) * | 2013-05-06 | 2016-03-23 | 东南大学 | A kind of ten two-phase stator permanent magnetic type flux switch motors |
| CN103259359A (en) * | 2013-05-15 | 2013-08-21 | 苏州益高电动车辆制造有限公司 | Direct current polyphase machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20141117 |
|
| EXPY | Termination of patent right or utility model |