CN202806426U - Electronic stepless speed regulator for hybrid electric vehicle - Google Patents
Electronic stepless speed regulator for hybrid electric vehicle Download PDFInfo
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- CN202806426U CN202806426U CN2012203997390U CN201220399739U CN202806426U CN 202806426 U CN202806426 U CN 202806426U CN 2012203997390 U CN2012203997390 U CN 2012203997390U CN 201220399739 U CN201220399739 U CN 201220399739U CN 202806426 U CN202806426 U CN 202806426U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
An electronic stepless speed regulator of a hybrid electric vehicle comprises an engine, a clutch, a compound magnetic flux switching permanent magnet motor, an electric power module, a battery pack, a main speed reducer, a wheel and a control unit. The electronic stepless speed regulator of the hybrid electric vehicle adopts the compound magnetic flux switching permanent magnet motor as a power distribution device, is without a planetary gear and mechanical devices such as a sliding ring and a carbon electric brush, is low in loss and simple in structure. One motor is needed to achieve operation in various modes, the space is saved, and the comfort is improved. According to the electronic stepless speed regulator of the hybrid electric vehicle, the engine always works in an efficient-running area, and the efficiency of the whole vehicle is effectively improved.
Description
Technical field
The utility model belongs to the automobile power field, is a kind of speed regulating device of input power distribution type hybrid electric vehicle.
Background technology
In recent years, along with the worsening shortages of global environment deterioration and oil resources, the orthodox car industry is faced with baptism.Therefore, the research and development of energy-conserving and environment-protective new-energy automobile have become one of focus of the strategic industry of countries in the world government and experts and scholars' concern both at home and abroad.As a class of new-energy automobile, hybrid vehicle is shown one's talent with the remarkable advantage that its fuel economy is high, exhaust emissions is low, course continuation mileage is long, and has obtained the fast speed development.
And one of gordian technique that effectively realizes the hybrid vehicle basic function is the performance-oriented electronic stepless speed regulation of research and development (electronically continuously variable transmission is called for short E-CVT) system.According to whether adopting mechanical gear, the E-CVT system that has listing and domestic and international experts and scholars' broad research now can be divided into two large classes: a class is to adopt the E-CVT system of mechanical gear (planetary wheel), and is another kind of for there not being the gearless E-CVT system of gear engagement.All there is a problem in E-CVT system with the mechanical gear power distribution unit, namely must adopt planetary wheel to regulate engine and the energy that is connected between the motor on the automobile driving axle transmits.The same with all mechanical gears, planetary wheel exists the shortcoming of transmission loss and gear noise, and must artificially add lubricant to gear termly and safeguard.And the E-CVT system of machinery-free gear power distribution unit adopts a double-rotor machine to realize power division usually, namely adopts electric bind mode to overcome the problems referred to above.Then, the electronic stepless speed regulation system of this electric connection has also produced a new problem when overcoming the planetary wheel shortcoming: the double-rotor machine that adopts in the system must input or output electric flux by slip ring and carbon brush processed from rotor.And well-known, slip ring and carbon brush processed will produce extra loss, and need periodical maintenance.In addition, the heat dissipation problem that is in innermost inner rotor motor also is a Main Bottleneck of this system's practical application of restriction.Therefore, research and develop a kind of planetary wheel that neither needs, also do not need slip ring and carbon brush processed, and the new E that efficient is high, control is convenient, stable-CVT system becomes the hot issue in present hybrid vehicle speed governing field.
Summary of the invention
Technical matters:The utility model is to propose a kind of Hybrid Vehicle electronics electrodeless speed regulator based on combined type magnetic flux switch permanent magnet motor.This governor is gearless both, also without slip ring and carbon brush processed.Both solve the shortcoming that exists transmission loss and gear noise with the gear power distribution unit, solved again the excess loss, periodical maintenance and the heat dissipation problem that produce with brush double-rotor machine system.
Technical scheme:Hybrid Vehicle electronics electrodeless speed regulator based on compound flux switch permanent magnet motor of the present utility model, comprise driving engine, power-transfer clutch, main reduction gear, wheel, it is characterized in that also comprising compound flux switch permanent magnet motor, electric power module, battery pack, control unit; Driving engine connects the internal rotor of compound flux switch permanent magnet motor by power-transfer clutch, the electric power module is connected between the internal stator and external stator of compound flux switch permanent magnet motor, and battery pack links to each other with internal stator and the electric power module of compound flux switch permanent magnet motor; The outer rotor of compound flux switch permanent magnet motor is connected with wheel through main reduction gear.; Control unit links to each other with driving engine, electric power module, battery pack respectively.
Compound flux switch permanent magnet motor is comprised of internal rotor, internal stator, external stator, outer rotor, and internal stator is connected as a whole with external stator by magnetism-isolating loop.
The electric power module comprises the first power inverter, DC-DC translation circuit, the second power inverter, and the first power inverter and the second power inverter all possess biphase rectification, invert function; Battery pack is through electric power module and the output of the second power inverter or stored energy.
Compound flux switch permanent magnet motor, utilize the characteristics of double-salient-pole structural electromotor, the stator of placing permanent magnet and armature loop is integrated, and the outer rotor of outer motor is coupled through the wheel of main reduction gear and suitable low speed, the internal rotor of interior motor is through power-transfer clutch and the driving engine coupling that is fit at a high speed.
With three slewings on the automobile: driving engine, E-CVT and wheel transmission height are integrated, link without direct mechanical between driving engine and the wheel transmission, to realize the electronic stepless speed regulation system of electric connection.
When working as power divider, the internal rotor of the compound flux switch motor of engine drive, by the electromagnetic coupled effect, the internal stator winding obtains a gross electric capacity, this electric power will be divided into two parts, a part becomes the direct current (DC) that is complementary with batteries charging voltage to be transferred to battery pack AC rectification by the internal stator winding through the second power inverter, is stored in the battery pack with the form of chemical power; Another part with the form of electric power through the DC-DC translation circuit, vdc is adjusted into suitable external stator winding work, again by the first power inverter inversion, with electrical energy transfer in the external stator winding of compound flux switch motor, by electromagnetic coupled, so that outer rotor produces machine torque and drives wheel with the form of mechanical energy.Above-mentioned two-part power stream size and direction can be according to demand, by the control unit reasonable distribution.Its total control policy is: when the electric power that (1) is converted into compound flux switch motor internal stator when the mechanical horsepower by driving engine surpass to drive the required mechanical horsepower of wheel, control unit is controlled the first power inverter distribute energy, provide electric power with a part of electric power through DC-DC changer, the outside stator winding of the first power inverter, change into again the required mechanical horsepower of vehicular drive; The remaining electric power of another part is then passed through the second power inverter to batteries charging, the storage excess energy; (2) electric power that is converted into compound flux switch motor internal stator when the mechanical horsepower by driving engine is when driving the required mechanical horsepower of wheel, control unit is controlled the second power inverter whole electric energy is delivered to the external stator winding through DC-DC changer, the first power inverter, control simultaneously battery pack through DC-DC changer, the first power inverter also outwards stator winding not enough electric energy is provided, this moment, the wheel required energy that travels was provided jointly by battery pack and driving engine two aspects.Except above-mentioned two kinds of groundwork patterns, also there are a lot of other mode of operations, only power to the external stator winding by battery pack, realize electric-only mode; When vehicle descending or brake, realize the energy back of mechanical energy etc.
Beneficial effect:
1, both gearless of the utility model without physical constructions such as charcoal brush processed, slip rings, can make driving engine be operated in efficient region always, thereby significantly improve the work efficiency of car load again.
2, creativeness has proposed a kind of design philosophy of compound flux switch permanent magnet motor, utilize the characteristics of double-salient-pole structural electromotor, the inside and outside stator of placing permanent magnet and armature loop is integrated, and the coupling of the wheel transmission of the outer rotor of motor and suitable low speed, internal rotor and the driving engine coupling that is fit at a high speed, thus avoided internal rotor in the traditional double rotor electric machine be difficult to dispel the heat can't practical application technical bottleneck.
The E-CVT system of 3, building based on compound flux switch permanent magnet motor, can be with three slewing (driving engines on the automobile by ingehious design, E-CVT and wheel legacy system) highly integrated, realizing the electronic stepless speed regulation system of electric connection, thereby has the advantage of high power density, high efficiency and quiet operation.Not only can realize the repertoire of existing electronic stepless speed regulation system, and all have comparatively significantly advantage at aspects such as structure, volume, performance, heat radiation, manufacturing process, practicality, and method of designing is flexible and changeable, can be according to the system requirements adjustment.
Description of drawings
Fig. 1 is the constructional drawing of the compound flux switch permanent magnet motor that adopts in the utility model, internal rotor 3, internal stator 4, external stator 5, outer rotor 6 is wherein arranged, every magnetic aluminium ring 16.
Fig. 2 is that the utility model is based on the Hybrid Vehicle electronics stepless time adjustment system topology block diagram of compound flux switch permanent magnet motor, comprising driving engine 1, power-transfer clutch 2, compound flux switch permanent magnet motor 7, the first power inverter 8, DC-DC translation circuit 9, the second power inverter 10, battery pack 12, control unit 13, main reduction gear 14, wheel 15.
The specific embodiment
Such as Fig. 2, the utility model comprises that driving engine 1, power-transfer clutch 2, compound flux switch permanent magnet motor 7, electric power module 11, battery pack 12, control unit 13, main reduction gear 14(can not need, and adopts the outer rotor direct driving mode), wheel 15.Driving engine 1 connects the internal rotor 3 of compound flux switch permanent magnet motor 7 by power-transfer clutch 2, internal stator 4 links to each other with the second power inverter 10 and connects with DC-DC translation circuit 9, the first power inverter 8, external stator 5, and outer rotor 6 links to each other with wheel 15 through main reduction gear 14.Control unit 13 links to each other with driving engine 1, electric power module 11, battery pack 12 respectively.Battery pack 12 can by the second power inverter 10 or the first power inverter 8 and DC-DC translation circuit 9 stores or the output electric energy.
Hybrid Vehicle electronics stepless time adjustment system based on combined type magnetic flux switch permanent magnet motor of the present utility model comprises: driving engine, power-transfer clutch, main reduction gear, combined type magnetic flux switch permanent magnet motor, electric power module, battery pack, control unit and driving wheel.Driving engine is connected by the internal rotor of power-transfer clutch with combined type magnetic flux switch permanent magnet motor, and electric power module, battery pack are between inside and outside stator armature winding, and outer rotor connects the driving wheel through main reduction gear (also can not need, directly drive).Control unit links to each other with driving engine, electric power module, battery pack respectively.Combined type magnetic flux switch permanent magnet motor is comprised of inside and outside two independent rotors and an integrated stator, wherein integrated stator is comprised of magnetism-isolating loop three parts between internal stator, external stator, the inside and outside stator core, and all is wound with heterogeneous centralized armature loop and the permanent magnet that tangentially alternately magnetizes on inside and outside stator.This electronic stepless speed regulation system comprises that two overlap independently power stream: first set power stream flows between driving engine, internal rotor and internal stator, for the mechanical energy of driving engine passes to internal rotor, again through the electromagnetic induction coupling, changing into electric energy is input in the internal stator winding, the internal stator winding connects battery pack, and electric energy conversion is become the chemical power storage.The second cover power stream flows between battery pack, external stator and outer rotor, for the chemical power of battery pack changes into electrical energy transfer to the external stator winding, through the electromagnetic induction coupling, changes into mechanical energy and is input to outer rotor again, passes to the driving wheel again.In addition, according to different operating modes, between internal stator and external stator double winding, also can realize by the power conversion transposition transmission of direct electric energy.
Electric power module of the present utility model comprises: the first power inverter, DC-DC translation circuit, the second power inverter.First, second power inverter is respectively rectification/inverter that a power can two-way flow, and the DC-DC translation circuit is a DC boosting/reducing transformer.The first power inverter one side links to each other with the external stator winding, and opposite side links to each other with battery pack through the DC-DC translation circuit.The second power inverter one side links to each other with the internal stator winding, and opposite side directly links to each other with battery pack.In addition, battery pack, the first power inverter, DC-DC translation circuit, the second power inverter all link to each other with control unit, realize the detection of state, exchange and the real-time transfer control signal of data.
Operational mode of the present utility model comprises:
1, cold start mode:
2, electric-only mode:
3, hybrid mode:
This pattern is mainly used in the high-power situations of travelling such as acceleration, climbing.The internal stator 4 of motor provides energy via the second power inverter 10, DC-DC translation circuit 9, the first power inverter 8 for external stator 5, and outer rotor 6 drives wheel 15 through main reduction gear 14.When the energy that provides was lower than external stator 5 needed energy, battery pack 12 was replenished this energy difference through DC-DC translation circuit 9, the first power inverter 8.Simultaneously, at the hybrid power run duration, internal stator 4 can be according to state (SOC) real time charging of battery pack 12.
4, regenerative brake pattern:
When car retardation or braking, wheel 15 drives outer rotor 6 through main reduction gear 14, and external stator 5 sends electric energy and charges to battery pack 12 through the first power inverter 8, DC-DC changer 9.The kinetic transformation of vehicle is the electric energy of battery pack 12.Whole power of driving engine 1 are through the second power inverter 10, to battery pack 12 chargings.
5, power generation in parking pattern:
This pattern mainly runs on the situation of battery pack 12 electric weight deficiencies.Driving engine 1 drives internal rotor 3 through power-transfer clutch 2, and internal stator 4 generatings give battery pack 12 chargings through the second power inverter 10.
6, high-performance cruise pattern:
To external stator 5, outer rotor 6 drives wheel 15 through main reduction gear 14 and travels the energy that internal stator 4 provides via the second power inverter 10, DC-DC translation circuit 9, the first power inverter 8.This pattern mainly runs on cruising speed, if driving engine 1 provides energy greater than 15 energy requirements of wheel, excess energy can be charged to battery pack 12 with the electric energy form.Bang path is: driving engine 1-power-transfer clutch 2-internal rotor 3-internal stator the 4-the second power inverter 10-battery pack 12.
The utility model adopts compound flux switch permanent magnet motor as power distribution unit, and advantage applies exists: (1) only just can realize the operation scheme of several functions with a compound machine, simple in structure, it is little to take up room.(2) battery pack can absorb unnecessary engine power or the deficiency of additional engine power according to actual conditions, and driving engine is operated in efficient region, the operating efficiency raising of car load always.
Claims (4)
1. Hybrid Vehicle electronic stepless speed regulation device, comprise driving engine (1), power-transfer clutch (2), main reduction gear (14), wheel (15), it is characterized in that also comprising compound flux switch permanent magnet motor (7), electric power module (11), battery pack (12), control unit (13); Driving engine (1) connects the internal rotor (3) of compound flux switch permanent magnet motor (7) by power-transfer clutch (2), electric power module (11) is connected between the internal stator (4) and external stator (5) of compound flux switch permanent magnet motor (7), and battery pack (12) links to each other with internal stator (4) and the electric power module (11) of compound flux switch permanent magnet motor (7); The outer rotor (6) of compound flux switch permanent magnet motor (7) is connected with wheel (15) through main reduction gear (14).; Control unit (13) links to each other with driving engine (1), electric power module (11), battery pack (12) respectively.
2. a kind of Hybrid Vehicle electronic stepless speed regulation device according to claim 1, it is characterized in that compound flux switch permanent magnet motor (7) is comprised of internal rotor (3), internal stator (4), external stator (5), outer rotor (6), and internal stator (4) is connected by magnetism-isolating loop with external stator (5) as a whole.
3. described a kind of Hybrid Vehicle electronic stepless speed regulation device according to claim 1, it is characterized in that electric power module (11) comprises the first power inverter (8), DC-DC translation circuit (9), the second power inverter (10), and the first power inverter (8) all possess biphase rectification, invert function with the second power inverter (9); Battery pack (12) is through electric power module (11) and the second power inverter (10) output or stored energy.
4. a kind of Hybrid Vehicle electronic stepless speed regulation device according to claim 1 and 2, it is characterized in that compound flux switch permanent magnet motor, utilize the characteristics of double-salient-pole structural electromotor, the stator of placing permanent magnet and armature loop is integrated, and the outer rotor of outer motor (6) is coupled through the wheel (15) of main reduction gear (14) with suitable low speed, and the internal rotor of interior motor (3) is through power-transfer clutch (2) and driving engine (1) coupling that is fit at a high speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203997390U CN202806426U (en) | 2012-08-13 | 2012-08-13 | Electronic stepless speed regulator for hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203997390U CN202806426U (en) | 2012-08-13 | 2012-08-13 | Electronic stepless speed regulator for hybrid electric vehicle |
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| Publication Number | Publication Date |
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| CN202806426U true CN202806426U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203997390U Expired - Fee Related CN202806426U (en) | 2012-08-13 | 2012-08-13 | Electronic stepless speed regulator for hybrid electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848897A (en) * | 2012-08-13 | 2013-01-02 | 东南大学 | Electronic stepless speed regulating system for hybrid electric vehicle |
| CN104648111A (en) * | 2013-11-21 | 2015-05-27 | 扬州市新港电机有限公司 | Power driving and power generation integrated stepless speed regulating system of automobile |
-
2012
- 2012-08-13 CN CN2012203997390U patent/CN202806426U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848897A (en) * | 2012-08-13 | 2013-01-02 | 东南大学 | Electronic stepless speed regulating system for hybrid electric vehicle |
| CN104648111A (en) * | 2013-11-21 | 2015-05-27 | 扬州市新港电机有限公司 | Power driving and power generation integrated stepless speed regulating system of automobile |
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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: 20130320 Termination date: 20150813 |
|
| EXPY | Termination of patent right or utility model |