CN102303517A - Extended range hybrid electric vehicle power system with modes switched by synchronizer - Google Patents
Extended range hybrid electric vehicle power system with modes switched by synchronizer Download PDFInfo
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- CN102303517A CN102303517A CN201110170803A CN201110170803A CN102303517A CN 102303517 A CN102303517 A CN 102303517A CN 201110170803 A CN201110170803 A CN 201110170803A CN 201110170803 A CN201110170803 A CN 201110170803A CN 102303517 A CN102303517 A CN 102303517A
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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
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Abstract
The invention aims to provide an extended range hybrid electric vehicle power system with modes switched by a synchronizer. The system comprises a first motor and a second motor, an engine, a planetary gear train, the synchronizer, a fixed canine tooth ring which is fixedly connected with a box, a shaft gear canine tooth ring which is fixedly connected with a gear of an output shaft of the first motor, and a battery and an inverter; the engine is connected with a planet carrier of the planetary gear train; the second motor is connected with a sun gear of the planetary gear train through a sleeve; annular internal gears of the planetary gear train can be fixed on the box through the synchronizer and can also be connected with the output shaft of the first motor through the synchronizer, and the output shaft of the first motor is connected with a main change gear; the synchronizer is positioned between the fixed canine tooth ring and the shaft gear canine tooth ring; the annular internal gears of the planetary gear train are connected with a shaft sleeve spline of the synchronizer; the extended range hybrid electric vehicle power system can run in a pure motor-driven way to realize zero oil consumption and emission, and if the extended range hybrid electric vehicle power system needs to run for a long distance, the extended range hybrid electric vehicle system can run in an extended range mode, and the motor controls the position of the synchronizer to realize mode switching.
Description
Technical field
the present invention relates to a kind of automobile dynamic system, particularly a kind of extended-range hybrid power automobile power system that adopts the synchro implementation pattern to switch.
Background technology
hybrid vehicle has the advantage of fuel-economizing and anti-emission carburetor, but still relies on fuel oil that power is provided.Pure electric automobile then need not fuel oil, but under the current battery engineering factor, the mileage that once charges is limited.The extended-range hybrid vehicle is the advantage of electronlmobil and orthodox car comprehensively, and in certain design mileage, it can pure motor driving, realizes zero oil consumption and zero-emission.Long if desired distance travel then can be moved increasing under the journey pattern.Generally be serial hybrid system or parallelly connected mixed system at the hybrid power system (comprise and increase the journey design) that auto-industry circle adopted at present, its mode switch is realized by magnetic clutch, complex structure, and manufacturing cost is expensive, and operational mode is limited.
Summary of the invention
the object of the invention provides a kind of extended-range hybrid power automobile power system that adopts the synchro implementation pattern to switch; It can be by pure motor driving; Realize zero oil consumption and zero-emission; Long if desired distance travel then can be moved increasing under the journey pattern, and its mode switch is realized by electric machine control synchro position.
a kind of extended-range hybrid power automobile power system that adopts the synchro implementation pattern to switch, it comprises: first motor and second motor, driving engine; Planet circular system, synchro, the fixedly canine tooth ring that is connected mutually with casing; With the shaft gear canine tooth ring that the gear of first motor output shaft is connected mutually, battery and inverter, driving engine links to each other with the pinion carrier of planet circular system; Second motor links to each other with the sun wheel of planet circular system through sleeve; The ring inner gear of planet circular system can be fixed on the casing by synchro, also can be linked to each other with first motor output shaft by synchro, and first motor output shaft links to each other with main; Said synchro is between said fixedly canine tooth ring and shaft gear canine tooth ring, and the ring inner gear of planet circular system is connected with the axle sleeve spline of synchro.When synchro is positioned at neutral gear position; First motor separates with the ring inner gear, and when synchro was positioned at right end position, the sliding hub of its this synchro engaged with shaft gear canine tooth ring; First motor is connected with the ring inner gear; When synchro was positioned at left position, the sliding hub of this synchro engaged with fixing canine tooth ring, and the ring inner gear is fixed on the casing; In the casing that comprises planet circular system and synchro, this power system also is provided with and includes a tongue axle by the rotation of mode switch control motor-driven, and the axis of its axis and synchro parallels; Has a gearshift groove on the said tongue axle; The removable shift fork contact that is inserted with the synchro shifting fork bar in this gearshift groove; This shifting fork bar is connected with synchro and allows synchro to rotate to it; Said gearshift groove has the first retaining portion corresponding to said synchro right end position, corresponding to the second retaining portion and the neutral corner portion between the said first retaining portion and the second retaining portion of synchro left position; When said shift fork contact was positioned at the first retaining portion of said gearshift groove, said synchro linked to each other with shaft gear canine tooth ring; When said shift fork contact was positioned at the second retaining portion of said gearshift groove, said synchro linked to each other with fixing canine tooth ring; When said shift fork contact was positioned at the neutral corner portion of said gearshift groove, said shift fork contact remained in circumferencial direction around the axis of tongue axle so that synchro is positioned at neutral gear position;
The present invention has three operational modes: pure electronic, and series hybrid-power, parallelly connected hybrid power;
Pure electric operation pattern: automobile is when this mode operation, and synchro is positioned at neutral gear position, and the driving engine and second motor are all closed; Automobile is by first motor-driven; All propulsive efforts are provided by battery, and according to design demand, this pattern can guarantee that automobile is pure electronic in certain voyage;
Series hybrid mode: automobile is when this mode operation, and synchro is positioned at left position (promptly second gear is put), and the ring inner gear of planet circular system is fixed on the casing; When this pattern of entering, driving engine provides power to second electric power generation through planet circular system at first by second electric motor starting then; Under this pattern, automobile is still by first motor-driven, and this pattern is actually the series operation pattern; That is to say, engine drive second electric power generation, the electric energy that is sent offers first electromobile; Unnecessary electric energy can also charge the battery through inverter, during this pattern is fit to during the low-power requirements operating mode to increase the journey mode operation;
parallelly connected hybrid mode: automobile is when this mode operation; Synchro is positioned at right end position (promptly first gear is put); The ring inner gear is connected with first motor output shaft; This pattern is fit to automobile high power requirements operating mode, and this pattern is actually a kind of electronic CVT pattern, moves when the superpower operating mode mainly as increasing the journey pattern.
preferably; Driving engine links to each other with the pinion carrier of planet circular system; Second motor links to each other with the sun wheel of planet circular system, and the ring inner gear of planet circular system can be connected through synchro and casing, also can link to each other with first motor output shaft through synchro.
preferably; It has three operational modes, i.e. electric-only mode, series hybrid mode and parallelly connected hybrid mode; Because have this three patterns; The vehicle of equipping this system can be by pure electric operation in certain mileage, and when needing long distance running, available extended-range pattern (series hybrid-power or parallelly connected hybrid mode) is moved.
preferably, its operational mode is switched by synchro and is realized that the position of synchro i.e. first gear is put, the neutral gear position and second gear are put by the motor-driven tongue axle control of single control.
preferably; Be processed with the gearshift groove on the said tongue axle; The first retaining portion of said gearshift groove comprise that first gear is put and said first gear put and said neutral corner portion between the first retaining slope, first corner of this corresponding gearshift in first retaining slope groove.
preferably, the second retaining portion of said gearshift groove comprise that second gear is put and said second gear put and said neutral corner portion between the second retaining slope, second corner of this corresponding gearshift in second retaining slope groove.
preferably; Said automatic gear shift apparatus has neutral corner portion between the first retaining portion that is in and the second retaining portion so that synchro is in neutral gear position in shift process; Power motor is carried out speed control, switch synchronously steadily, thereby optimize gearshift agility and stationarity with implementation pattern; And greatly reduce the synchro wearing and tearing, the life-span of significantly improving synchro.
The power system of the extended-range hybrid vehicle that the employing synchro implementation pattern that
the present invention proposes switches adopts the satellite gear design; Its mode switch is realized by electric machine control synchro position; Simple in structure, possess pure electronic, series hybrid-power; Three kinds of operational modes of parallel connection hybrid power are extended-range hybrid power systems of a kind of Almightiness type.It is low that the present invention has a cost than the hybrid vehicle of present existence and pure electric automobile, the mileage technological merit that waits long and simple in structure.
Description of drawings
accompanying drawing 1 is a structural representation of the present invention.
accompanying drawing 2 is nodel line expansion drawings of gearshift groove of the present invention.
accompanying drawing 3 is electric-only mode principle of work scheme drawings of the present invention.
accompanying drawing 4 is series hybrid mode principle of work scheme drawings of the present invention.
accompanying drawing 5 is parallelly connected hybrid mode principle of work scheme drawings of the present invention.
In
accompanying drawing: 1, first motor; 2, second motor; 3, pinion carrier; 4, the second retaining portion; 41 second gears are put; 42, the second retaining slope; 43 second corners; 5 first retaining portions; 51 first gears are put; 52 first retaining slopes; 53, first corner; 6, driving engine; 7, battery; 8, sun wheel; 9, ring inner gear; 10, inverter; 11, sleeve; 12, first motor output shaft; 13, main; 14, synchro; 15, fixing canine tooth ring; 16, shaft gear canine tooth ring; 17, tongue axle; 18, gear shift groove; 19, fork bar; 20, fork contact; 21, neutral corner portion; 211, neutral corner; 22, casing.
The specific embodiment
Set forth preferred embodiment of the present invention below in conjunction with accompanying drawing 1-5 in detail
; Thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to those skilled in the art will recognize that.
proposed by the invention a kind ofly adopt extended-range hybrid power automobile power system structure that the synchro implementation pattern switches shown in accompanying drawing 1.This system comprises a driving engine 6, the first motors 1 and 2, one planet circular systems of second motor, synchro 14, fixing canine tooth ring 15, shaft gear canine tooth ring 16, one Battery packs 7 and drive electronic systems (being inverter 10).Driving engine 6 is connected with the pinion carrier 3 of planet circular system; Second motor 2 is connected through sleeve 11 with the sun wheel 8 of planet circular system; The ring inner gear 9 of planet circular system can be connected through synchro 14 and casing 22, also can link to each other with first motor output shaft 12 through synchro 14.Said shaft gear canine tooth ring 16 places on first motor output shaft 12, and said first motor output shaft 12 links to each other with the drive wheel of automobile main 13.Said synchro 14 is between the shaft gear canine tooth ring 16 on said fixedly canine tooth ring 15 and said first motor output shaft 12; The ring inner gear 9 of planet circular system is connected with the axle sleeve spline of synchro 14, and when synchro 14 was positioned at neutral gear position, first motor 1 separated with ring inner gear 9; When synchro 14 is positioned at right end position (promptly first gear is put); Its sliding hub engages with shaft gear canine tooth ring 16, and first motor 1 is connected with ring inner gear 9, when synchro 14 is positioned at right end position (second gear is put); The sliding hub of this synchro 14 engages with fixing canine tooth ring 15, and ring inner gear 9 is fixed on the casing 22.In the casing 22 that comprises planet circular system and synchro 14, be provided with the tongue axle 17 of mode switch control motor-driven rotation, the axis of the axis of this tongue axle 17 and synchro 14 parallels.Has a gearshift groove 18 on the said tongue axle 17; Its nodel line expansion drawing is shown in accompanying drawing 2; Be inserted with the shift fork contact 20 of shifting fork bar 19 in the said gearshift groove 18 movably; This shifting fork bar 19 is connected with synchro 14 and allows synchro 14 to rotate to it; Said gearshift groove 18 has the first retaining portion 5 corresponding to synchro 14 right end position, corresponding to the second retaining portion 4 and the neutral corner portion 21 between said first retaining portion 5 and the said second retaining portion 4 of synchro 14 left positions, said shift fork contact 20 is positioned at the first retaining portion, 5 one gears of said gearshift groove 18 to be put 51 o'clock, said synchro 14 links to each other with shaft gear canine tooth ring 16; Said shift fork contact 20 is positioned at the second retaining portion, 4 two gears of said gearshift groove 18 to be put 41 o'clock, and said synchro 14 links to each other with fixing canine tooth ring 9; When said shift fork contact 20 was positioned at the neutral corner portion 21 of said gearshift groove 18, said shift fork contact 20 remained in around the circumferencial direction of tongue axle 17 axis so that synchro 14 is positioned at neutral gear position.
The power system of
extended-range hybrid vehicle of the present invention has three operational modes, and is pure electronic, and series hybrid-power is with parallelly connected hybrid power.Because have this three patterns, the vehicle of equipping this system can be by pure electric operation in certain mileage, and when needing long distance running, available extended-range pattern (series hybrid-power or parallelly connected hybrid mode) is moved.Its mode switch is realized by electric machine control synchro position.The system works principle of being invented is described below:
Electric-only mode:
Under this pattern, the driving engine 6 and second motor 2 are closed
.Synchro 14 is in neutral gear position, and first motor output shaft 12 breaks away from ring inner gear 9, this mode adaptive vehicle starting, reversing, low cruise and cruising condition.Be fit to speed-30 kilometer/hour to 60 kilometers/hour, 0 to 30 kilowatt of power demand scope.This pattern power is all provided by battery 7, and its power transmission line is shown in accompanying drawing 3.
Final ratio as behind first motor output shaft 12 does
, then the relation between moment and the rotating speed is between the drive wheel and first motor 1:
Here, 
With
Be the rotating speed and the moment of first motor 1,
With
Rotating speed and moment for drive wheel.
Series hybrid mode:
under this pattern, synchro 14 is in left position (promptly second gear is put), and first motor output shaft 12 breaks away from the ring inner gear, and the ring inner gear 9 of planet circular system is fixed on the casing 22.When automobile got into this operational mode, driving engine 6 was at first started by second motor 2.Driving engine 6 drives 2 generatings of second motor through planet circular system then.The electric power that is sent can direct drive first motor 1 drive or give battery 7 chargings.This pattern is fit to speed range and is approximately 0 ~ 60 kilometer/hour, and power range is for being approximately 30 ~ 50Kw.
The power transmission line of
this pattern is shown in accompanying drawing 4.
Motor under this pattern, driving engine exists following rotating speed and moment relation between the drive wheel:
Here, 
,
With
Be respectively wheel, driving engine 6 and pinion carrier 3 rotating speeds,
,
With
Be respectively second motor 2, driving engine 6 and wheel torque,
Be the satellite gear parameter, its number of teeth that equals to encircle inner gear 9 is divided by sun wheel 8 numbers of teeth.
Parallel connection mixed pattern:
under this pattern, synchro is in right end position (promptly first gear is put), and first motor output shaft 12 links to each other with ring inner gear 9.This pattern is fit to the high power requirements operating mode, and the suitable speed range of institute is greater than 50 kilometers/hour, and the power demand scope is more than 50 kilowatts.Power transmission line is shown in accompanying drawing 5 under this pattern.
Under this pattern, driving engine 6, the first motors 1 and second motor 2 exist following rotating speed and moment of torsion relation between the drive wheel:
Operational mode is switched:
are convenient for describing, and electric-only mode are defined as pattern one, and series hybrid mode is defined as pattern two, and hybrid mode is defined as pattern three side by side at present.
According to different operating modes and battery 7 charge volumes, automobile switches between three patterns
.Switch between three kinds of patterns and be described below.
pattern one → pattern two: when automobile moves in pattern one, driving engine 6, the second motors 2, planet circular system is static.Because of satellite gear has two degree of freedom, synchro 14 sliding hubs pulsation-free easily engage fixedly canine tooth ring 15, so that after ring inner gear 15 fixed, second motor, 2 first start the engines 6 got into pattern two operations then.
pattern two → pattern three: when pattern two switches to pattern three; Synchro 14 breaks away from fixedly canine tooth ring 15; After making the rotating speed of ring inner gear 9 rotating speeds and first motor output shaft 12 reach synchronously through the rotating speed of controlling second motor 2 then; With synchro 14 sliding hub engages axle gear canine tooth rings 16, so just can arrive steadily switching efficiently of pattern three by implementation pattern two again.
pattern one → pattern three: under vehicle control unit controls, automobile switches to pattern two from pattern one earlier, and then switches to pattern three from pattern two.
pattern two → pattern one: only need make synchro 14 sliding hubs break away from fixedly canine tooth ring 15 and place neutral gear position, driving engine 6 is flame-out, and second motor 2 cuts off the power supply and gets final product.
pattern three → pattern one: only need make synchro 14 sliding hubs break away from the shaft gear canine tooth ring 16 on first motor output shaft 12 and place neutral gear position, driving engine 6 is flame-out, and 2 outages of second motor get final product.
pattern three → pattern two: at first make synchro 14 break away from the shaft gear canine tooth ring 16 on first motor output shaft 12 and place neutral gear position; To make the rotating speed of the ring inner gear 9 of planet circular system be zero through controlling second motor, 2 rotating speeds then, makes synchro 14 sliding hubs not have the pulsation-free of impact then and combine fixedly canine tooth ring 15.
various as stated patterns are selected according to vehicle behavior and battery 7 charge volumes, to reach dynamic property, traveling comfort, low energy consumption, the Optimization result of anti-emission carburetor.Because electric-only mode can reach the stroke about 100 kilometers according to designing requirement; The power system of this kind extended-range hybrid vehicle can guarantee pure electric operation under most of situations; Extended-range operation in case of necessity; Thereby realize convenience to the full extent, low energy consumption, zero-emission (or minimum discharging).
The position control of
synchro 14: the operational mode of power system is switched by synchro 14 realizations, and the position of synchro 14 i.e. first gear puts 51, and the neutral gear position and second gear put 41 by motor-driven tongue axle 17 controls of single control.Be processed with gearshift groove 18 on the said tongue axle 17; The first retaining portion 5 of said gearshift groove 18 comprise first gear put 51 and said first gear put 51 and said neutral corner portion 21 between the first retaining slope 52, first corner 53 of these first retaining slope, 52 corresponding gearshift grooves 18.The second retaining portion 4 of said gearshift groove 18 comprise second gear put 41 and said second gear put 41 and said neutral corner portion 21 between the second retaining slope 42, second corner 43 of these second retaining slope, 42 corresponding gearshift grooves 18.
this tongue axle 18 has neutral corner portion 21 between the first retaining portion 5 that is in and the second retaining portion 4 so that synchro 14 is in neutral gear position in shift process; Power motor is carried out speed control; Switch synchronously steadily with implementation pattern; Thereby optimize gearshift agility and stationarity, and greatly reduce the wearing and tearing of synchro 14, the life-span of significantly improving synchro 14.
Control process with pattern one → pattern two and pattern two → pattern three below
is that example is described the extended-range hybrid vehicle power system mode switch control of being invented.
automobile is when pattern one operation; Shift fork contact 20 is in neutral gear position 21; First motor output shaft 12 breaks away from ring inner gear 9, and automobile is by first motor-driven, receive that pattern one → pattern two is switched indication after; Gear shift control driven by motor tongue axle 17 rotates, and about 0.2 second, shift fork contact 20 is in sloping 42 bottoms of second retaining.Get into the second retaining slope 42 then, gear shift control driven by motor tongue axle 17 continues rotation second corner 43, so that synchro 14 sliding hubs engage fixedly canine tooth ring 15, thereby completion pattern one is to the switching of pattern two.
automobile is when pattern two operations, and shift fork contact 20 is in second gear and puts 41, and the sliding hub of synchro 14 engages with planet canine tooth ring 15; After receiving that pattern two → pattern three is switched indication; Shift motor drives tongue axle 17 and rotates, and about 0.2 second, makes shift fork contact 20 be in the bottom on the second retaining slope 42, makes synchro 14 sliding hubs break away from fixedly canine tooth ring 15; This moment, synchro 14 was in neutral, and shift motor drives the 17 continuation rotations of tongue axle simultaneously.Because be provided with neutral corner portion 21; Shift fork contact 20 keeps its axial location, still is in neutral gear position, turns in the time of neutral corner 211 at gearshift tongue axle 17; Through to second motor 2 in addition voltage control make the rotating speed of ring inner gear 9 consistent with first rotating speed of motor; Shift fork contact 20 arrives first gear along the first retaining slope 52 and puts 51 under the control driven by motor then, and the sliding hub of synchro 14 is engaged with shaft gear canine tooth ring 16, thus the switching of completion pattern two to pattern three.A little speed discrepancy in the handoff procedure is synchronous by synchro 14 in first corner 53 on the first retaining slope 52.
other handoff procedure principles are similar with the handoff procedure in the foregoing description.
The power system of the extended-range hybrid vehicle that employing synchro 14 implementation patterns that
the present invention proposes switch adopts the design of satellite gear; Its mode switch is realized by electric machine control synchro 14 positions; Simple in structure, possess pure electronic, series hybrid-power; Three kinds of operational modes of parallel connection hybrid power are extended-range hybrid power systems of a kind of Almightiness type.It is low that the present invention has a cost than the hybrid vehicle of present existence and pure electric automobile, the mileage technological merit that waits long and simple in structure.
The power system structure of the extended-range hybrid vehicle that more than
the present invention is proposed and principle and embodiment have been carried out detailed technology and have been set forth.Clearly, on the basis of not leaving scope of the present invention and spirit, can make amendment to existing invention (comprising technical matters).Technical field under the present invention, a GPRS technical minimum just can carry out various changes in technological main idea scope of the present invention.
Claims (7)
1. extended-range hybrid power automobile power system that adopts the synchro implementation pattern to switch, it is characterized in that: it comprises: first motor and second motor, driving engine; Planet circular system, synchro, the fixedly canine tooth ring that is connected mutually with casing; With the shaft gear canine tooth ring that the gear of first motor output shaft is connected mutually, battery and inverter, driving engine links to each other with the pinion carrier of planet circular system; Second motor links to each other with the sun wheel of planet circular system through sleeve; The ring inner gear of planet circular system can be fixed on the casing by synchro, also can be linked to each other with first motor output shaft by synchro, and first motor output shaft links to each other with main; Said synchro is between said fixedly canine tooth ring and shaft gear canine tooth ring, and the ring inner gear of planet circular system is connected with the axle sleeve spline of synchro; When synchro is positioned at neutral gear position; First motor separates with the ring inner gear, and when synchro was positioned at right end position, the sliding hub of this synchro engaged with shaft gear canine tooth ring; First motor is connected with the ring inner gear; When synchro was positioned at left position, the sliding hub of this synchro engaged with fixing canine tooth ring, and the ring inner gear is fixed on the casing; In the casing that comprises planet circular system and synchro, this power system also comprises a tongue axle by the rotation of mode switch control motor-driven, and the axis of its axis and synchro parallels; Has a gearshift groove on the said tongue axle; The removable shift fork contact that is inserted with the synchro shifting fork bar in this gearshift groove; This shifting fork bar is connected with synchro and allows synchro to rotate to it; Said gearshift groove has the first retaining portion corresponding to said synchro right end position, corresponding to the second retaining portion and the neutral corner portion between the said first retaining portion and the second retaining portion of synchro left position; When said shift fork contact was positioned at the first retaining portion of said gearshift groove, said synchro linked to each other with shaft gear canine tooth ring; When said shift fork contact was positioned at the second retaining portion of said gearshift groove, said synchro linked to each other with fixing canine tooth ring; When said shift fork contact was positioned at the neutral corner portion of said gearshift groove, said shift fork contact remained in circumferencial direction around the axis of tongue axle so that synchro is positioned at neutral gear position;
The present invention has three operational modes: pure electronic, and series hybrid-power, parallelly connected hybrid power;
Pure electric operation pattern: automobile is when this mode operation, and synchro is positioned at neutral gear position, and the driving engine and second motor are all closed; Automobile is by first motor-driven; All propulsive efforts are provided by battery, and according to design demand, this pattern can guarantee that automobile is pure electronic in certain voyage;
Series hybrid mode: automobile is when this mode operation, and synchro is positioned at left position (promptly second gear is put), and the ring inner gear of planet circular system is fixed on the casing; When this pattern of entering, driving engine provides power to second electric power generation through planet circular system at first by second electric motor starting then; Under this pattern, automobile is still by first motor-driven, and this pattern is actually the series operation pattern; That is to say, engine drive second electric power generation, the electric energy that is sent offers first electromobile; Unnecessary electric energy can also charge the battery through inverter, during this pattern is fit to during the low-power requirements operating mode to increase the journey mode operation;
The parallel connection hybrid mode: automobile is when this mode operation; Synchro is positioned at right end position (promptly first gear is put); The ring inner gear is connected with first motor output shaft; This pattern is fit to automobile high power requirements operating mode, and this pattern is actually a kind of electronic CVT pattern, moves when the superpower operating mode mainly as increasing the journey pattern.
2. require 1 described extended-range hybrid power automobile power system according to patent; It is characterized in that: driving engine links to each other with the pinion carrier of planet circular system; Second motor links to each other with the sun wheel of planet circular system; The ring inner gear of planet circular system can be connected through synchro and casing, also can link to each other with first motor output shaft through synchro.
3. require 1 described extended-range hybrid power automobile power system according to patent; It is characterized in that: it has three operational modes, i.e. electric-only mode, series hybrid mode and parallelly connected hybrid mode; Because have this three patterns; The vehicle of equipping this system can be by pure electric operation in certain mileage, and when needing long distance running, available extended-range pattern (series hybrid-power or parallelly connected hybrid mode) is moved.
4. extended-range hybrid power automobile power system according to claim 1; It is characterized in that: its operational mode switching is realized by synchro; Put the position of synchro i.e. first gear, and the neutral gear position and second gear are put by the motor-driven tongue axle control of single control.
5. extended-range hybrid vehicle power system according to claim 1; It is characterized in that: be processed with the gearshift groove on the said tongue axle; The first retaining portion of said gearshift groove comprise that first gear is put and said first gear put and said neutral corner portion between the first retaining slope, first corner of this corresponding gearshift in first retaining slope groove.
6. according to the said extended-range hybrid power automobile power system of claim 1; It is characterized in that: the second retaining portion of said gearshift groove comprise that second gear is put and said second gear put and said neutral corner portion between the second retaining slope, second corner of this corresponding gearshift in second retaining slope groove.
7. extended-range hybrid vehicle power system according to claim 1; It is characterized in that: said automatic gear shift apparatus has neutral corner portion between the first retaining portion that is in and the second retaining portion so that synchro is in neutral gear position in shift process; Power motor is carried out speed control, switch synchronously steadily, thereby optimize gearshift agility and stationarity with implementation pattern; And greatly reduce the synchro wearing and tearing, the life-span of significantly improving synchro.
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| CN201110170803.8A CN102303517B (en) | 2011-06-23 | 2011-06-23 | Extended range hybrid electric vehicle power system with modes switched by synchronizer |
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|---|---|---|---|
| CN201110170803.8A CN102303517B (en) | 2011-06-23 | 2011-06-23 | Extended range hybrid electric vehicle power system with modes switched by synchronizer |
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