CN103219851B - Motor for automobile idle-free system - Google Patents
Motor for automobile idle-free system Download PDFInfo
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- CN103219851B CN103219851B CN201310174948.4A CN201310174948A CN103219851B CN 103219851 B CN103219851 B CN 103219851B CN 201310174948 A CN201310174948 A CN 201310174948A CN 103219851 B CN103219851 B CN 103219851B
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Abstract
The invention provides a motor for an automobile idle-free system. The motor comprises a permanent magnet rotor, a stator, a power converter, an end cover, a position sensor and a belt wheel, and is characterized in that the number of stator poles is 12k, and the number of rotor poles is 2p; 2p is more than or equal to 10k and less than or equal to 14k; k and p are natural numbers; an included angle of 5-12 degrees is formed between the axial center line of the permanent magnet on the upper planes of the rotor poles and the axial direction of the motor; a stator coil is coiled on each of the 12k stator poles according to a concentrated winding coiling mode; a phase difference of the stator coils is 30 degrees per k; the stator coils with phase angles within every 30-degree sector are connected in series to form a phase of stator winding; three phases of stator windings with the phase difference of 120 degrees are connected together according to a star-shaped connection method to form two three-phase stator windings; and the other ends of the stator windings are connected with the three-phase power converter. The motor can run in a power generation manner and run in an electric manner and is suitable for a starting power generator of the idle-free system. An air gap magnetic field of the motor is closer to sine; the number of flux density harmonic components of a stator iron core is small; the iron consumption of the motor is low; the motor nearly does not have positioning torque, so that the electromagnetic vibration is small, and the noise is low; two windings form a dual-Y-shift 30-degree six-phase winding; higher harmonics are few; and the efficiency of the motor is high.
Description
Technical field
The present invention relates to a kind of motor for automobile idle-free system, belong to electric motor of automobile technical field.
Background technology
Without lost motion system, automobile refers to that engine can not dally under the state of auto idle speed, that is automatically kill engine during auto idle speed, thus reaches the object of saving fuel oil and reducing discharge.At present, some countries and regions have required that engine idle must be closed more than 3 minutes.That brings into use both at home and abroad at present mainly contains two classes without lost motion system motor, one class utilizes traditional vehicle starting system and power-supply system transformation, by improve starter materials and structures, increase the life-span that generator and battery capacity extend starting system, because this starter has carbon brush and current-collector, therefore this type still there is life-span too short problem at present without lost motion system, and the flywheel of meeting and engine engages during the starting of this starter, noise is large; Being realized by belt-type starter-generator without lost motion system of another type, this belt-type starter-generator achieves the integrated of starter and generator, and improve stock utilization, starting system does not have carbon brush and current-collector, life-span is long, is therefore the development trend of automobile without lost motion system.The invention discloses a kind of automobile without lost motion system magneto, there is the advantages such as generating efficiency is high, harmonic wave is few.
In prior art, the patent of invention of authorizing: ZL200780042653.4, a kind of hybrid engine assist system for vehicle, comprise a converter be connected by the three-phase power terminal of distribution and generator motor and whirler, when electricity generation and electromotion pusher side connects, convert the described three-phase alternating current that generator motor produces to direct current, when being connected with rotation pusher side, the direct current of battery being converted to three-phase alternating current, supplying to whirler.Application number is the Chinese invention patent of 201110441696.8: a kind of Novel automatic start-stop system, this system realizes engine auto extinguishing and automatic engage a gear and starting by mechanical automatic gearbox AMT (120), and according to driver, whether using air-condition, starter motor heat condition, gas pedal and brake signal determine whether to enable automatic start-stop function described automatic start-stop system.The Chinese invention patent of bulletin: engine intelligent start stop system and the intelligent start/stop method application number for automobile: 201110306317.4, give a kind of engine intelligent start stop system and the intelligent start/stop method for automobile.This system comprises: the first switch, for controlling the first switch motor control module, second switch and controlling the intelligent sensing control unit of second switch; Wherein, the first switch and second switch are in series to control starter, if clutch is complete released state or gearbox is neutral position state, then intelligent sensing control unit makes second switch close; Otherwise intelligent sensing control unit makes second switch disconnect.
Above patent gives automobile or the hybrid vehicle operation control principle without lost motion system, but does not relate to a kind of applicable motor used without lost motion system.And motor is as a critical component without lost motion system, its performance directly has influence on actual efficiency without lost motion system and reliability.Motor winding of the present invention is novel fractional-slot concentratred winding, and its end is shorter, and copper loss is less; Because this motor permanent magnetism magnetic pole adopts oblique pole, therefore air-gap field is closer to sine, and its mmf harmonics is few, and the iron loss of motor is few, and electric and magnetic oscillation is little, and noise is low; The double winding of motor constitutes two Y and moves 30 ° of six phase winding, and its output waveform harmonic component is few, and the location torque of motor is little.
Summary of the invention
The object of this invention is to provide that a kind of power density is large, generating efficiency is high, torque pulsation is little, noise is low without lost motion system motor.Specifically:
A kind of motor for automobile idle-free system, comprise the rotor be made up of axle, rotor core, permanent magnet, pole shoe, non-magnetic screw, the stator be made up of stator core, coil windings and power inverter, front end housing, rear end cap, position transducer, bearing and belt pulley etc., it is characterized in that: stator poles is 12k, rotor number of poles is 2p, and to meet 10k≤2p≤14k, k, p be natural number, each rotor pole is provided with the permanent magnet with pole shoe, pole shoe is positioned at the periphery of permanent magnet, permanent magnet and the non-magnetic screw of pole shoe are fixed, permanent magnet is plane permanent magnetic body, the composition surface of rotor core and permanent magnet is also plane, there is certain angle between permanent magnet longitudinal center line and motor axial direction, and angle is between 5 ° to 12 °, 12k stator poles is tied with a stator coil respectively by concentratred winding canoe, the phase difference of each stator coil is 30 °/k, phase angle is at [0 °, 30 °) k stator coil series connection of sector again with phase angle at [180 °, 210 °) k stator coil differential concatenation composition A phase stator winding of sector, phase angle is at [30 °, 60 °) k stator coil series connection of sector again with phase angle at [210 °, 240 °) k stator coil differential concatenation composition D phase stator winding of sector, phase angle is at [240 °, 270 °) k stator coil series connection of sector again with phase angle at [60 °, 90 °) k stator coil differential concatenation composition C phase stator winding of sector, phase angle is at [270 °, 300 °) k stator coil series connection of sector again with phase angle at [90 °, 120 °) k stator coil differential concatenation composition F phase stator winding of sector, phase angle is at [120 °, 150 °) k stator coil series connection of sector again with phase angle at [300 °, 330 °) k stator coil differential concatenation composition B phase stator winding of sector, phase angle is at [150 °, 180 °) k stator coil series connection of sector again with phase angle at [330 °, 0 °) k stator coil differential concatenation composition E phase stator winding of sector, the A phase stator winding of phase 120 °, one end of B phase stator winding and C phase stator winding is connected on one composition the first threephase stator winding by star connection, phase place differs the D phase stator winding of 30 ° with A phase stator winding, phase place differs the E phase stator winding of 30 ° and phase place differ the F phase stator winding of 30 ° one end with C phase stator winding and is also connected on one by star connection and forms the second threephase stator winding with B phase stator winding, the mid point of another termination power inverter first brachium pontis of A phase stator winding, D phase stator winding, the mid point of another termination power inverter second brachium pontis of B phase stator winding, E phase stator winding, the mid point of another termination power inverter the 3rd brachium pontis of C phase stator winding, F phase stator winding, when needing automobile to work without lost motion system, engine can stop idle running to save fuel oil, when stopping without lost motion system, when needing car engine start, described motor becomes electric motor state work, pilots engine, after car engine start, described motor switches to Generator Status work, and the electricity sent is charged a battery after Voltage stabilizing module voltage stabilizing or electricity supply and use equipment uses.
According to above technical scheme, relative to prior art, the present invention has following beneficial effect:
1. motor winding of the present invention is novel fractional-slot concentratred winding, and therefore its end is shorter saves a large amount of copper materials, and reduce the motor feels hot, improve electric efficiency;
2., because this motor permanent magnetism magnetic pole adopts the oblique pole that angle is suitable, therefore air-gap field is closer to sine, and the close harmonic component of magnetic of stator core is few, and the iron loss of motor is little, and electric efficiency is high;
3. the permanent magnetism magnetic pole of motor adopt tiltedly extremely after, its mmf harmonics is few, and motor does not almost have location torque, and the electric and magnetic oscillation of motor is little, and noise is low;
4. the double winding of motor constitutes two Y and moves 30 ° of six phase winding, effectively can reduce high order harmonic component, improve electric efficiency, and improve motor power-carrying;
5. only have a coil outside each stator tooth of motor invented, copper factor is high, expands air-gap diameter, improves power of motor density;
6. the magnetic pole of the motor of invention adopts plane permanent magnetic body, can use Linear cut manufacture, than traditional circular arc type permanent magnet low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is motor for automobile idle-free system catenation principle figure of the present invention, wherein: 1, the first threephase stator winding; 2, the second threephase stator winding; 3, power inverter; 4, Voltage stabilizing module; 5, change over switch.
Fig. 2 is motor for automobile idle-free system structural representation of the present invention, wherein: 1, axle; 2, bearing; 3, rear end cap; 4, power inverter; 5, nut; 6, rotor core; 7, permanent magnet; 8, pole shoe; 9, stator core; 10, stator winding; 11, front end housing; 12, catching plate; 13, position transducer; 14, belt pulley.
Fig. 3 is the structural representation of rotor plane magnet steel of the present invention, wherein: 1, rotor core; 2, plane permanent magnetic body; 3, non-magnetic screw; 4, pole shoe.
The potential vector figure that Fig. 4 is motor stator number of poles of the present invention when being 12.
The potential vector figure that Fig. 5 is motor stator number of poles of the present invention when being 24.
Fig. 6 is motor wire-inserting of the present invention and skewed-rotor schematic diagram.
Embodiment
Fig. 1 is motor for automobile idle-free system catenation principle figure of the present invention;
In winding, one end of the A phase stator winding of phase 120 °, B phase stator winding and C phase stator winding is connected on one composition the first threephase stator winding by star connection, and phase place differs 30 ° D phase stator winding, phase place with A phase stator winding differ the E phase stator winding of 30 ° and phase place differ the F phase stator winding of 30 ° one end with C phase stator winding and be also connected on by star connection and integrally form the second threephase stator winding with B phase stator winding; The mid point of another termination power inverter first brachium pontis of A phase stator winding, D phase stator winding, the mid point of another termination power inverter second brachium pontis of B phase stator winding, E phase stator winding, the mid point of another termination power inverter the 3rd brachium pontis of C phase stator winding, F phase stator winding; When needing automobile to work without lost motion system, engine can stop idle running to save fuel oil; When stopping without lost motion system, when needing car engine start, described motor utilizes position transducer detection position and is controlled commutation by controller, changes electric motor state work into, pilots engine; After car engine start, described motor switches to Generator Status work, and the electricity sent is charged a battery after Voltage stabilizing module voltage stabilizing or electricity supply and use equipment uses.
Fig. 2 is motor for automobile idle-free system structural representation of the present invention; The motor of invention comprises the rotor be made up of axle, rotor core, permanent magnet, pole shoe, non-magnetic screw, the stator be made up of stator core, coil windings and power inverter, front end housing, rear end cap, position transducer, bearing and belt pulley etc.
Fig. 3 is the structural representation of rotor plane magnet steel of the present invention; As can be seen from the figure, each rotor pole is provided with the permanent magnet with pole shoe, pole shoe is positioned at the outside of permanent magnet, and permanent magnet and pole shoe utilize non-magnetic screw to fix, and permanent magnet is plane permanent magnetic body.
The potential vector figure that Fig. 4 is motor stator number of poles of the present invention when being 12, when stator poles is 12, current potential angle between the potential vector of each coil of motor is 30 °, stator coil A and stator coil-A differential concatenation composition A phase stator winding, stator coil B and stator coil-B differential concatenation composition B phase stator winding, stator coil C and stator coil-C differential concatenation composition C phase stator winding, stator coil D and stator coil-D differential concatenation composition D phase stator winding, stator coil E and stator coil-E differential concatenation composition E phase stator winding, stator coil F and stator coil-F differential concatenation composition F phase stator winding, the A phase stator winding of phase 120 °, one end of B phase stator winding and C phase stator winding is connected on one composition the first threephase stator winding by star connection, phase place differs the D phase stator winding of 30 ° with A phase stator winding, phase place differs the E phase stator winding of 30 ° and phase place differ the F phase stator winding of 30 ° one end with C phase stator winding and is also connected on one by star connection and forms the second threephase stator winding with B phase stator winding.
The potential vector figure that Fig. 5 is motor stator number of poles of the present invention when being 24.When stator poles is 24, current potential angle between the potential vector of each coil of motor is 15 °, phase angle is at [0 °, 30 °) 2 stator coils series connection of sector again with phase angle at [180 °, 210 °) 2 stator coil differential concatenations composition A phase stator winding of sector, phase angle is at [30 °, 60 °) 2 stator coils series connection of sector again with phase angle at [210 °, 240 °) 2 stator coil differential concatenations composition D phase stator winding of sector, sector, phase angle is at [240 °, 270 °) 2 stator coils series connection of sector again with phase angle at [60 °, 90 °) 2 stator coil differential concatenations composition C phase stator winding of sector, phase angle is at [270 °, 300 °) 2 stator coils series connection of sector again with phase angle at [90 °, 120 °) 2k stator coil differential concatenation composition F phase stator winding of sector, phase angle is at [120 °, 150 °) 2 stator coils series connection of sector again with phase angle at [300 °, 330 °) 2 stator coil differential concatenations composition B phase stator winding of sector, phase angle is at [150 °, 180 °) 2 stator coils series connection of sector again with phase angle at [330 °, 0 °) 2 stator coil differential concatenations composition E phase stator winding, the A phase stator winding of phase 120 °, one end of B phase stator winding and C phase stator winding is connected on one composition the first threephase stator winding by star connection, phase place differs the D phase stator winding of 30 ° with A phase stator winding, phase place differs the E phase stator winding of 30 ° and phase place differ the F phase stator winding of 30 ° one end with C phase stator winding and is also connected on one by star connection and forms the second threephase stator winding with B phase stator winding.
Fig. 6 is motor wire-inserting of the present invention and skewed-rotor schematic diagram; Motor stator number of poles 12k=24 in figure, k=2; Rotor number of poles 2p=22, p=11, meet 10k≤2p≤14k.There is certain angle between permanent magnet longitudinal center line and motor axial direction, and angle is between 5 ° to 12 °, 24 stator poles are tied with a stator coil respectively by concentratred winding canoe, the phase difference of each stator coil is 15 °, 1st stator coil of carrier phase shift 15 °, 2nd stator coil series connection, again with 13rd stator coil, 14th stator coil differential concatenation composition A phase stator winding, 3rd stator coil of carrier phase shift 15 °, 4th stator coil series connection, again with 15th stator coil, 16th stator coil differential concatenation composition D phase stator winding, 1st stator coil of carrier phase shift 15 °, 2nd stator coil series connection, again with 13rd stator coil, 14th stator coil differential concatenation composition A phase stator winding, 1st stator coil of carrier phase shift 15 °, 2nd stator coil series connection, again with 13rd stator coil, 14th stator coil differential concatenation composition A phase stator winding, 1st stator coil of carrier phase shift 15 °, 2nd stator coil series connection, again with 13rd stator coil, 14th stator coil differential concatenation composition A phase stator winding, one end of the A phase stator winding of phase 120 °, B phase stator winding and C phase stator winding is connected on one composition the first threephase stator winding by star connection, and phase place differs 30 ° D phase stator winding, phase place with A phase stator winding differ the E phase stator winding of 30 ° and phase place differ the F phase stator winding of 30 ° one end with C phase stator winding and be also connected on by star connection and integrally form the second threephase stator winding with B phase stator winding.
Claims (1)
1. a motor for automobile idle-free system, comprise the rotor be made up of axle, rotor core, permanent magnet, pole shoe, non-magnetic screw, the stator be made up of stator core, coil windings and power inverter, front end housing, rear end cap, position transducer, bearing and belt pulley, it is characterized in that: stator poles is 12k, rotor number of poles is 2p, and to meet 10k≤2p≤14k, k, p be natural number, each rotor pole is provided with the permanent magnet with pole shoe, pole shoe is positioned at the periphery of permanent magnet, permanent magnet and the non-magnetic screw of pole shoe are fixed, permanent magnet is plane permanent magnetic body, the composition surface of rotor core and permanent magnet is also plane, there is certain angle between permanent magnet longitudinal center line and motor axial direction, and angle is between 5 ° to 12 °, 12k stator poles is tied with a stator coil respectively by concentratred winding canoe, the phase difference of each stator coil is 30 °/k, phase angle is at [0 °, 30 °) k stator coil series connection of sector again with phase angle at [180 °, 210 °) k stator coil differential concatenation composition A phase stator winding of sector, phase angle is at [30 °, 60 °) k stator coil series connection of sector again with phase angle at [210 °, 240 °) k stator coil differential concatenation composition D phase stator winding of sector, phase angle is at [240 °, 270 °) k stator coil series connection of sector again with phase angle at [60 °, 90 °) k stator coil differential concatenation composition C phase stator winding of sector, phase angle is at [270 °, 300 °) k stator coil series connection of sector again with phase angle at [90 °, 120 °) k stator coil differential concatenation composition F phase stator winding of sector, phase angle is at [120 °, 150 °) k stator coil series connection of sector again with phase angle at [300 °, 330 °) k stator coil differential concatenation composition B phase stator winding of sector, phase angle is at [150 °, 180 °) k stator coil series connection of sector again with phase angle at [330 °, 0 °) k stator coil differential concatenation composition E phase stator winding of sector, the A phase stator winding of phase 120 °, one end of B phase stator winding and C phase stator winding is connected on one composition the first threephase stator winding by star connection, phase place differs the D phase stator winding of 30 ° with A phase stator winding, phase place differs the E phase stator winding of 30 ° and phase place differ the F phase stator winding of 30 ° one end with C phase stator winding and is also connected on one by star connection and forms the second threephase stator winding with B phase stator winding, the mid point of another termination power inverter first brachium pontis of A phase stator winding, D phase stator winding, the mid point of another termination power inverter second brachium pontis of B phase stator winding, E phase stator winding, the mid point of another termination power inverter the 3rd brachium pontis of C phase stator winding, F phase stator winding, when needing automobile to work without lost motion system, engine can stop idle running to save fuel oil, when stopping without lost motion system, when needing car engine start, described motor becomes electric motor state work, pilots engine, after car engine start, described motor switches to Generator Status work, and the electricity sent is charged a battery after Voltage stabilizing module voltage stabilizing or electricity supply and use equipment uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310174948.4A CN103219851B (en) | 2013-05-14 | 2013-05-14 | Motor for automobile idle-free system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310174948.4A CN103219851B (en) | 2013-05-14 | 2013-05-14 | Motor for automobile idle-free system |
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| Publication Number | Publication Date |
|---|---|
| CN103219851A CN103219851A (en) | 2013-07-24 |
| CN103219851B true CN103219851B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310174948.4A Expired - Fee Related CN103219851B (en) | 2013-05-14 | 2013-05-14 | Motor for automobile idle-free system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9932204B2 (en) * | 2014-01-13 | 2018-04-03 | Otis Elevator Company | Drive unit for multiphase permanent magnet synchronous motor |
| CN106887916B (en) * | 2016-12-04 | 2017-11-10 | 浙江达可尔汽车电子科技有限公司 | The phase starting-generating all-in-one of automobile using belt driven type six |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080442A (en) * | 1992-06-13 | 1994-01-05 | 福州大学 | Electric circuit for high-efficiency ac generator of vehicle |
| CN2935612Y (en) * | 2006-06-22 | 2007-08-15 | 江苏超力电器有限公司 | Electric power-assisted steering permanent-magnet brushless DC motor for automobile |
| CN101527469A (en) * | 2009-04-22 | 2009-09-09 | 湖南大学 | Automobile Lundell motor AC-generator |
| CN101535611A (en) * | 2006-11-15 | 2009-09-16 | 三菱电机株式会社 | Hybrid engine assist system for vehicle |
| CN101986514A (en) * | 2010-12-09 | 2011-03-16 | 江西泰豪特种电机有限公司 | Six-phase winding of small high-speed permanent magnet motor |
-
2013
- 2013-05-14 CN CN201310174948.4A patent/CN103219851B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080442A (en) * | 1992-06-13 | 1994-01-05 | 福州大学 | Electric circuit for high-efficiency ac generator of vehicle |
| CN2935612Y (en) * | 2006-06-22 | 2007-08-15 | 江苏超力电器有限公司 | Electric power-assisted steering permanent-magnet brushless DC motor for automobile |
| CN101535611A (en) * | 2006-11-15 | 2009-09-16 | 三菱电机株式会社 | Hybrid engine assist system for vehicle |
| CN101527469A (en) * | 2009-04-22 | 2009-09-09 | 湖南大学 | Automobile Lundell motor AC-generator |
| CN101986514A (en) * | 2010-12-09 | 2011-03-16 | 江西泰豪特种电机有限公司 | Six-phase winding of small high-speed permanent magnet motor |
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| CN103219851A (en) | 2013-07-24 |
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Effective date of registration: 20151105 Address after: 537000, the Guangxi Zhuang Autonomous Region Yulin Economic Development Zone, East (2nd Ring Road, No. 33) Patentee after: Guangxi Yuchai Bonaite Electric Appliance Co., Ltd. Address before: 255086 Zibo high tech Industrial Development Zone, Shandong Province, Chuang Chuang D block, 1012 Patentee before: Shandong University of Technology |
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Granted publication date: 20150311 Termination date: 20170514 |
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