CN1757533A - Epicyclie gearing type electro-mechanical driving mechanism for electro-mechanical drivnig system of automobile - Google Patents
Epicyclie gearing type electro-mechanical driving mechanism for electro-mechanical drivnig system of automobile Download PDFInfo
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- CN1757533A CN1757533A CN 200510085775 CN200510085775A CN1757533A CN 1757533 A CN1757533 A CN 1757533A CN 200510085775 CN200510085775 CN 200510085775 CN 200510085775 A CN200510085775 A CN 200510085775A CN 1757533 A CN1757533 A CN 1757533A
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Abstract
An electro-mechanical drive mechanism with epicyclic gear train for the electro-mechanical drive system of car is composed of an engine, a start motor, a drive motor, and an epicyclic gear train which consists of the first sun gear with rotating shaft connected to the shaft of engine, the second sun gear with rotating shaft connected to the shaft of drive motor, planetary gear with rotating shaft for driving the wheels via gear drive mechanism, and the planetary frame. Its advantage is that all output torque of engine and drive motor is used to drive the car.
Description
Affiliated technical field
The present invention relates to the dynamo-electric hybrid drive system of a kind of automobile, specifically, it is a kind of dynamo-electric driver train of making a concerted effort of epicyclic train that is used for the dynamo-electric hybrid drive system of automobile, is applicable to large and small passenger vehicle, cross-country car and light truck.
Background technology
The driving of existing general-utility car is to lean on driving engine that the chemical energy of fuel oil is transformed into mechanical energy, be delivered on the axletree by transmission device, thereby rotating-wheel comes powered vehicle again.Vehicle is very uneven to the demand of power in the process of moving, for example: when acceleration and climbing, big to power demand, and when at the uniform velocity travelling on the level land, then the demand to power is little, in general, the time that high-power demand continues is short, and the time that miniwatt continues is long.For satisfy vehicle quicken and during climbing to high-performance demand, general-utility car must dispose high-output engine.Yet the power of driving engine is big more, and the energy of consumption is just many more, has both made at automobile at the uniform velocity to travel and when needing miniwatt, the energy that its consumes is still more, and this has just caused energy dissipation; Moreover when car retardation, the kinetic energy of vehicle also converts heat energy to and discharges, and has also caused bigger energy dissipation, and therefore, excessive fuel consumption is the shortcoming of general-utility car.
In order to solve the excessive fuel consumption problem of above-mentioned general-utility car, people begin to develop dynamo-electric hybrid drive system, its mentality of designing is: when automobile at the uniform velocity travels and needs miniwatt, with the small power motor powered vehicle that is complementary with its power, and need when high-power in car acceleration or climbing, with the electric energy drive motor of storage battery, produce auxiliary torque, assist motor-powered vehicle; And when car retardation, provide retarding moment with motor again, and simultaneously, utilize wheel to give the kinetic energy generating of motor and deposit storage battery in, thereby reduce the waste of power of vehicle, improve its capacity usage ratio, finally reach the purpose of saving fuel oil.
For example; US Patent 5,643,119 provide a kind of automobile dynamo-electric hybrid drive system (referring to the accompanying drawing 1 of this patent), its dynamo-electric hybrid drive comprises a driving engine, a starter motor, a drive motor and an epicyclic train, described epicyclic train is by the first sun wheel S (hereinafter to be referred as center gear), the second sun wheel R (hereinafter to be referred as the outer shroud wheel), satellite gear P and pinion carrier CR form, wherein satellite gear and center gear and outer shroud wheel engagement, and the rotating shaft of center gear and outer shroud wheel and pinion carrier is on same axis, wherein the rotating shaft of pinion carrier CR links as the moment input shaft and the engine shaft of this epicyclic train, the rotating shaft of center gear S links as another moment input shaft of this epicyclic train and the rotating shaft of starter motor, the rotating shaft of outer shroud wheel R links as the moment output shaft of this epicyclic train axle drive shaft 36 by gear transmission and wheel, and described drive motor rotates by gear and the axle drive shaft 36 of wheel links.The moment of three rotating shafts of epicyclic train has following relation in this patent:
n
S·Z
S+n
R·Z
R＝n
CR·(Z
S+Z
R)……(2)
T in the formula
SThe expression starter motor is input to the moment on the center-wheel arbor, n
SThe rotating speed of expression center-wheel arbor, T
RThe moment of expression outer shroud wheel output, n
RThe rotating speed of expression outer shroud wheel shaft, T
CRThe expression driving engine is input to the moment of pinion carrier CR, n
CRThe rotating speed of the capable frame axle of expression star, wherein Z
S, Z
RIt is respectively the number of teeth of center gear and outer shroud wheel.
During vehicle launch, starter motor work (motoring condition), output torque is delivered on the center gear S, and under the cooperation of outer shroud wheel R, rotate pinion carrier CR and start the engine, behind engine starting, engine output torque drives pinion carrier and rotates, and be delivered on center gear S and the outer shroud wheel R by satellite gear, its moment is divided into two, and the allocation proportion of this moment determined by the number of teeth of center gear and outer shroud wheel, generally with about 80% moment T
RDistribute to the outer shroud wheel shaft, and remaining 20% moment T
SDistribute to center-wheel arbor, the moment of distributing to the outer shroud wheel shaft is delivered on the axle drive shaft 36 of wheel powered vehicle and advances by gear drive; And the moment of distributing to center-wheel arbor drives the rotor rotation of starter motor, makes the starter motor generating; In engine starting, drive motor work (motoring condition), the moment of its output also is delivered on the axle drive shaft 36 of wheel by gear drive, the powered vehicle thereby realization driving engine and drive motor are made a concerted effort.When at the uniform velocity travelling, drive motor can controlled no-load run or is closed, by the moment independent drive vehicle of driving engine output; When vehicle brake slows down, kill engine earlier, controlling and driving motor output opposing torque is delivered on the axle drive shaft again, make car retardation, drive motor converts the vehicle energy that is absorbed to electric energy (generating state) again simultaneously, and deposits storage battery, recuperated energy in by inverter (alternation is straight).
The in addition US Patent 5,904,631 similar with principle of work to above-mentioned US Patent structure.
The problem that existing US Patent exists is:
One, the moment of driving engine output is divided into two, and 80 percent the moment of only having an appointment is used for powered vehicle, and the division of this drive torque makes driving engine be delivered to that thrust reduces on the axle drive shaft, and acceleration capacity descends.If will guarantee the acceleration capability of vehicle, power that must corresponding increasing driving engine perhaps strengthens the power of drive motor, and the result is cost, the volume and weight that has increased system.
Two, as can be seen, be input to moment T on the center gear when starter motor by formula (1)
SWhen being zero, the moment T of outer shroud wheel output
R(drive torque) also is zero, and therefore, this epicyclic train is when work, for making the moment T of driving engine output
CRBe delivered to outer shroud and take turns up powered vehicle, starter motor must be given center gear to moment of all train inputs, thereby guarantee the transmission of above-mentioned moment, therefore, the power of starter motor will according to required input week train moment determine that and can not determine according to the required starting power of driving engine, often the required starting power of the required power ratio driving engine of this input torque is much bigger, the result is and has increased the power of starter motor, increased cost, the volume and weight of system again.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming in the prior art, a kind of improved dynamo-electric driver train of making a concerted effort of epicyclic train that is used for the dynamo-electric hybrid drive system of automobile is provided, make it be issued to better driveability in the condition that cost, long-pending body and weight all do not increase, perhaps keeping reducing manufacturing cost, the volume and weight of system under the former driveability unmodified condition.
For achieving the above object, solution of the present invention is as follows:
It has a driving engine, a starter motor, a drive motor and an epicyclic train, described epicyclic train is at least by first sun wheel, second sun wheel and satellite gear and pinion carrier are formed, the described satellite gear and first sun wheel and the engagement of second sun wheel, and the rotating shaft of described first sun wheel and second sun wheel and pinion carrier is on same axis, its improvement is: the rotating shaft of described first sun wheel links as the moment input shaft and the engine shaft of epicyclic train, the rotating shaft of starter motor simultaneously also links with engine shaft, the rotating shaft of described second sun wheel links as the second moment input shaft of epicyclic train and the rotating shaft of drive motor, perhaps the first moment input shaft of described epicyclic train and the rotating shaft of drive motor link, its second moment input shaft and engine shaft link, the rotating shaft of starter motor (3) simultaneously also links with engine shaft (2), and the rotating shaft of described pinion carrier links as the moment output shaft of the epicyclic train axle drive shaft by gear transmission and wheel.
The further improvement project of the present invention is:
On above-mentioned engine shaft, be provided with a free-wheel clutch or automatic brake, be used to prevent the driving engine reversing.
In above-mentioned epicyclic train, be provided with a power-transfer clutch, be used for first sun wheel, second sun wheel and pinion carrier are locked together, they are rotated with same speed.
Be provided with a mechanical commutator in the driver train dynamo-electric making a concerted effort in above-mentioned epicyclic train, be used to change the rotation direction of described wheel drive shaft.
Compared with the prior art the present invention has following characteristics:
One, as can be seen by above-mentioned solution, though the structure of epicyclic train of the present invention is identical with prior art, and the moment of three rotating shafts concerns still coincidence formula (1), but because the change of input, output torque relation, driving engine is input to the moment T on the center-wheel arbor
SBe input to moment T on the outer shroud wheel shaft with drive motor
RSum equals the drive torque T of pinion carrier axle output
CRTherefore, the moment of driving engine output is used for powered vehicle fully, overcome the shortcoming that the moment that driving engine is exported in the prior art is divided into two, so the driveability of system can improve in this mechanism under the situation that does not increase driving engine and drive motor power, perhaps keeping under original driveability unmodified condition, original power of driving engine and drive motor be can reduce, thereby manufacturing cost, the volume and weight of system reduced.
Two, by after the above-mentioned improvement, the moment output shaft of epicyclic train also is simplified to the gear drive between the wheel drive shaft, thereby can further reduce system cost, volume and weight.
Three, the further improvement project of the present invention can make the even more ideal and simplified system control of driveability of native system, wherein first improvement project can be imported a fixing moment to the first or second moment input shaft of epicyclic train by free-wheel clutch and automatic brake, thus simplified system control.Second improvement project can be implemented in vehicle when at the uniform velocity travelling with driving engine direct drive vehicle, thereby improved the driving efficiency of system.The 3rd improvement project can realize reversing with mechanical commutator, and system's control is simplified.
Description of drawings
One of Fig. 1, structure principle chart of the present invention.
Two of the structural representation of Fig. 2, epicyclic train.
Three of the structural representation of Fig. 3, epicyclic train.
Four of the structural representation of Fig. 4, epicyclic train.
Fig. 5, system's control principle block scheme.
Two of Fig. 6, structure principle chart of the present invention.
Three of Fig. 7, structure principle chart of the present invention.
Four of Fig. 8, structure principle chart of the present invention.
Five of Fig. 9, structure principle chart of the present invention.
Figure 10, the integrated structural representation in epicyclic train of commutator.
The specific embodiment
According to embodiment structure of the present invention and principle of work are described below.
Referring to Fig. 1, this example is by driving engine 1, starter motor 3, drive motor 5 and epicyclic train 4 are formed, wherein epicyclic train 4 is at least by first sun wheel (to call center gear in the following text) S, second sun wheel (to call the outer shroud wheel in the following text) R and satellite gear P and pinion carrier CR form, described satellite gear P and center gear S and outer shroud wheel R engagement, and center gear S, the rotating shaft of outer shroud wheel R and pinion carrier CR is on same axis, the rotating shaft of center gear S links as an end of the rotating shaft of the first moment input shaft of epicyclic train 4 and starter motor 3, and the other end of the rotating shaft of starter motor 3 and engine shaft 2 link, the rotating shaft of described outer shroud wheel R links as the second moment input shaft of epicyclic train 4 and the rotating shaft of drive motor 5, and the rotating shaft of described pinion carrier CR links as the axle drive shaft 6 of moment output shaft by gear transmission and wheel.Each direction of arrow is represented three the rotating shaft moment of epicyclic train 4 and the positive dirction of rotating speed among the figure.Described epicyclic train 4 can also be replaced by existing similar structures, as the structure among Fig. 2, Fig. 3, Fig. 4 etc.In these systems, driving engine 1 and starter motor 3 can exchange with the position of drive motor 5, as shown in Figure 9, the first moment input shaft of the rotating shaft of drive motor 5 and epicyclic train 4 links, the second moment input shaft of one end of the rotating shaft of starter motor 3 and epicyclic train 4 links, and the other end of the rotating shaft of starter motor 3 and engine shaft 2 link, and its action principle is identical with Fig. 1.
The moment relation of 4 three rotating shafts of epicyclic train still meets aforesaid formula (1), but because this epicyclic train changed with being connected of three propulsions source, so the moment of its input, output is concerned essential variation has taken place also.According to formula (1) as can be seen, as driving engine (or starter motor) and drive motor (T during all to this epicyclic train input forward moment or opposing torque
S, T
RBe not equal to zero and the direction unanimity), this epicyclic train output drive torque T forward or backwards
CR, and T
CR=T
S+ T
R, this characteristic can be used for driving engine and the drive motor powered vehicle of making a concerted effort and advance or fall back; And when the some propulsions source in driving engine (or starter motor) and the drive motor when the moment of epicyclic train input is zero, that is to say TS be zero or TR be zero, the output torque T of this epicyclic train then
CRAlso be zero, can be when the parking or a start the engine of advancing with this characteristic.
Referring to Fig. 5, this mechanism is applicable to the dynamo-electric hybrid drive system of automobile, provides the block diagram structure that this mechanism is used in the dynamo-electric hybrid drive system of certain existing automobile among the figure.Wherein starter motor and drive motor all can adopt existing AC induction motor or other motors, for the ease of understanding, are that example illustrates its principle of work below with the AC induction motor.AC induction motor has such characteristic, when the rotating speed of stator winding rotating field is higher than rotor speed, motor is motoring condition, otherwise, motor then is generating state, simultaneously, the difference of the rotating speed of described stator winding rotating field and rotor speed in certain scope (it is poor to be called for short speed) is big more, its output torque is big more, if differential is zero, its output torque also is zero, and system can change the rotating speed of stator winding rotating field by the line frequency of control motor, thereby the state (electronic or generating) and the speed that change motor are poor.Motor is a motoring condition and when exporting corresponding positive torque, can powered vehicle and start the engine; And motor is a generating state and when exporting the respective opposed moment of torsion, can abrupt deceleration vehicle and be battery charge.This electromechanics hybrid drive system can be finished following function:
1, when stopping or a start the engine of advancing;
2, driving engine and the motor powered vehicle of making a concerted effort;
3, electric power independent drive vehicle;
4, driving engine independent drive vehicle at the uniform velocity travels for a long time, and without electric power;
5, when brake converts the kinetic energy of vehicle to electric energy and deposits storage battery in;
Generating when 6, stopping.
Concrete working process is as follows:
When chaufeur starts vehicle, the signal that electric machine controller A provides according to start sensor, be starter motor 3 power supplies, and control its line frequency from zero increase gradually, then starter motor 3 is motoring condition, and output forward moment, at this moment, drive motor 5 is a halted state, makes the moment T of its input epicyclic train
RBe zero, then according to formula (1), starter motor is to the moment T of epicyclic train input
SAlso be zero, therefore, the forward moment of starter motor 3 outputs all acts on the engine shaft 2 and start the engine 1, and when rotating speed reached toggle speed, driving engine 1 was started working.
Pattern 2---driving engine and drive motor make a concerted effort to drive:
Hang at vehicle under the situation of D Drive and driving engine 1 rotation, if chaufeur is stepped on throttle, driving engine 1 output torque T
SAct on the sun wheel S, simultaneously, Acceleration Signal controlling and driving motor 5 outputs that electric machine controller B provides according to throttle sensor suitable forward moment T
RAct on the outer shroud wheel R, according to formula (1), the moment sum of driving engine and drive motor output acts on the pinion carrier CR, then pinion carrier axle output boost torque T
CR, powered vehicle is advanced.In this process, the size of throttle has determined the rotating speed of engine shaft 2, thereby has determined the rotation speed n of center-wheel arbor S
SThe rotation speed n of the capable frame CR of star
CRDetermine by car speed; Electric machine controller B makes the rotation speed n of outer shroud wheel shaft according to the rotating speed of formula (2) controlling and driving motor 5
RSatisfy formula (2).The rotating speed of drive motor 5 can be a forward, also can be oppositely directed, but the moment of output forward always.The rotating speed of drive motor 5 can change continuously, thereby realizes the continually varying transmission velocity ratio (n of system
S: n
CR).
After vehicle entered at the uniform velocity motoring condition, vehicle reduced significantly to the requirement of boost torque, and the power that driving engine 1 produces is enough to keep the speed of vehicle, did not need to continue to use energy stored in the battery.At this moment, the generating of starter motor 3 usefulness engine shafts 2 energy delivered enters generating state, and the electric energy that drive motor 5 uses starter motor to produce is kept the moment that acts on the outer shroud wheel.Like this, vehicle can be under the situation that does not need the battery consumption self-energy long-play, storage battery can not exhaust, and can also utilize unnecessary electric energy charging.
Pattern 4---pure electric startup, the powered vehicle and a starter-generator of advancing:
When the direct step on the accelerator of chaufeur started vehicle, driving engine 1 cut out, and its axle 2 speed are zero, the rotation speed n of sun wheel
SBe zero, at this moment, the certain forward moment of electric machine controller A control starter motor 3 outputs, it is the same to be equivalent to catch axle 2 that it is rotated, this moment acts on the sun wheel S on the one hand, acts on the other hand on the engine shaft 2, prevents its reversing, meanwhile, electric machine controller B controlling and driving motor 5 output boost torque act on the outer shroud wheel R, at this moment, the moment sum of starter motor 3 and drive motor 5 outputs acts on the pinion carrier CR, output boost torque T
CRPowered vehicle is advanced, starter motor output torque limiting engine reversing at this moment, and the drive motor output torque is used for powered vehicle, thus realize that pure electricity drives.
After the pure electricity of vehicle starts, when needing start the engine 1 between advancing when reaching a certain speed (as: tachogen by drive motor record the speed of a motor vehicle), electric machine controller B is low load of controlling and driving motor or no-load run (promptly reduce motor speed difference or reduce to zero) at first, makes the moment T of drive motor to outer shroud wheel R input
RVery little or be zero, according to above-mentioned formula (1), the moment T of pinion carrier axle output then
CRAlso drop to very little thereupon or be zero and (because required time of start the engine is very short, be no more than 0.5 second, therefore can ignore the variation of car speed, promptly can think n
CRIt is constant to keep former speed), and then control starter motor 3 continues output forward moment, then this moment mainly acts on the engine shaft 2, make its rotation, when its rotating speed reached the toggle speed of driving engine, driving engine 1 started, behind engine starting, electric machine controller B controlling and driving motor 5 again recovers output torques, and then driving engine 1 is with drive motor 5 powered vehicle of making a concerted effort.
When vehicle need slow down, be that chaufeur is stepped on brake pedal, signal control driving engine 1 free-runing operation or shutdown that electric machine controller B provides according to brake sensor, no longer export forward moment, simultaneously, electric machine controller A, B control starter motor 3 and drive motor 5 output opposing torques, then pinion carrier output opposing torque, act on the axle drive shaft, make car retardation.When control starter motor and drive motor output opposing torque, two motors all are generating state (kinetic energy that is about to vehicle converts electric energy to), and the alternating current of their output deposits storage battery in through the inversion (alternation is straight) of inverter.
Pattern 6---reversing
Moveing backward under the situation of engine cutoff: when the chaufeur extension reverses gear also step on the accelerator reversing, the sensor that reverses gear provides reverse signal, the throttle acceleration sensor provides actuation signal, then electric machine controller A, B control starter motor 3 and drive motor 5 are exported opposing torque simultaneously, according to formula (1), pinion carrier CR exports opposing torque, the powered vehicle reversing.Wherein the opposing torque of starter motor 3 output is for the balance satellite gear acts on moment on the sun wheel S, gives satellite gear with the moment of reaction, thereby prevents turn of engine, and the moment of drive motor 5 outputs is used for the powered vehicle reversing.
Move backward under the situation that driving engine 1 rotates: electric machine controller B makes driving engine 1 no-load run earlier according to the signal that reverses gear, i.e. output torque not, and then export opposing torque simultaneously by electric machine controller A, B control starter motor 3 and drive motor 5, then pinion carrier CR exports opposing torque, the powered vehicle reversing.Wherein the opposing torque of starter motor 3 outputs is used to keep the rotating speed of sun wheel S idle running.
Mode 7---the generating of stopping
When dead ship condition, if providing, the storage battery level sensor needs electrically-charged signal, then as pattern 1, system will after driving engine 1 starts, drive starter motor 3 generatings, and deposit storage battery in by the conversion of inverter at start the engine under the dead ship condition 1.
Embodiment 2
Referring to Fig. 6, this example is on the basis of embodiment 1, on described engine shaft 2, be provided with a free-wheel clutch or automatic brake 9, free-wheel clutch is used to prevent driving engine 1 reversing, but limiting engine 1 positive dirction does not freely rotate, and automatic brake 9 is used to catch engine shaft, does not make its rotation.This kind improvement can be simplified the control of said system pattern 4 (pure electricity drives) and pattern 6 (reversing), promptly starter motor 3 is not worked in control process, only need power-transfer clutch work or the action of control automatic brake, be equivalent to catch axle 2, do not make its reversing or rotate to get final product.
Referring to Fig. 7, this example is on the basis of embodiment 1 or 2, between outer shroud wheel R and pinion carrier CR, be provided with a power-transfer clutch 7, its function is: enter when at the uniform velocity travelling at vehicle, secondary sun wheel (outer shroud wheel R) and pinion carrier CR are locked together, they are rotated with same speed, and then the moment of driving engine 1 output can be directly delivered on the axle drive shaft, thereby improves driving efficiency.Mode 3 (at the uniform velocity travelling), the brake deceleration when at the uniform velocity travelling in this system's control process are different with embodiment 1,2, and other control process is identical.Promptly after vehicle entered at the uniform velocity motoring condition, electric machine controller B adjusted the rotating speed of drive motor 5, makes it consistent with the rotating speed of pinion carrier CR and sun wheel, and when the rotating speed of three axles reached unanimity, control clutch 7 closed, then driving engine 1 direct drive vehicle.Unloaded or the shutdown of control driving engine earlier of brake deceleration when at the uniform velocity travelling, electric machine controller B, and then controlling and driving motor 5 output opposing torques, this opposing torque is directly delivered to pinion carrier and affacts on the axle drive shaft, then car retardation; If desired, also can control starter motor 3 output opposing torques simultaneously, this opposing torque also is directly delivered to pinion carrier and affacts on the axle drive shaft, and the control vehicle of making a concerted effort slows down.Described power-transfer clutch 7 also can be installed between pinion carrier CR and the sun wheel S, can also be installed between sun wheel S and the outer shroud wheel R, and its function is constant.
Embodiment 4
Referring to Fig. 8, this example can add a mechanical commutator 8 on axle drive shaft 6 on the basis of embodiment 1,2 or 3, can change the rotation direction of driving by it, this mechanical commutator 8 links with the backward gear direct mechanical, when extension reverses gear, pinion carrier CR is forward rotation still, and axle drive shaft 6 backward rotation realize reversing.This example except that reversing mode with the foregoing description is different, other pattern is all identical.
Moreover the mechanical commutator 8 among Fig. 8 also can be installed between engine shaft 2 and the sun wheel S.When hanging reverse gear, the moment of torsion of engine shaft 2 outputs acts on the sun wheel S after oppositely, drives its reversing, and simultaneously, electric machine controller B controlling and driving motor 5 output reactive torques act on the outer shroud wheel R, and then pinion carrier CR output reactive torque is driven into car.Referring to Figure 10, described commutator also can be integrated in the epicyclic train 4, method has multiple, here lift an example explanation: in epicyclic train, increase a sun gear S1 and a cover planetary wheel P1, sun wheel S1 is coaxial with sun wheel S, and with satellite gear P1 engagement, satellite gear P1 and satellite gear P mesh, and their rotating shaft by bearing fixing on the pinion carrier CR of ring-type; In addition, between engine output shaft and sun wheel S and sun wheel S1, increase a power-transfer clutch again.When hanging D Drive, described power-transfer clutch is connected engine shaft 2 with sun wheel S, and engine shaft 2 forwards (cw) rotate, and driving sun wheel S just changes, and sun wheel S drives satellite gear P and swings to (conter clockwise) rotation; When hanging reverse gear, power-transfer clutch is connected engine shaft 2 with sun wheel S1, engine shaft 2 forward rotation, driving sun wheel S1 just changes, sun wheel S1 drives satellite gear P1 reversing, and satellite gear P1 drives satellite gear P and is just changeing, thus realized engine shaft 2 outputs oppositely, play the effect of mechanical commutator 8.
Claims (5)
1, a kind of dynamo-electric driver train of making a concerted effort of epicyclic train that is used for the dynamo-electric hybrid drive system of automobile, it has a driving engine (1), a starter motor (3), a drive motor (5) and an epicyclic train (4), described epicyclic train is at least by first sun wheel (S), second sun wheel (R) and satellite gear (P) and pinion carrier (CR) are formed, the described satellite gear and first sun wheel and the engagement of second sun wheel, and the rotating shaft of described first sun wheel and second sun wheel and pinion carrier is on same axis, it is characterized in that: the rotating shaft of described first sun wheel (S) links as the first moment input shaft and the engine shaft (2) of epicyclic train (4), the rotating shaft of starter motor (3) simultaneously also links with engine shaft (2), the rotating shaft of described second sun wheel (R) links as the second moment input shaft of epicyclic train (4) and the rotating shaft of drive motor (5), the first moment input shaft of perhaps described epicyclic train (4) and the rotating shaft of drive motor (5) link, its second moment input shaft and engine shaft (2) link, the rotating shaft of starter motor (3) simultaneously also links with engine shaft (2), and the rotating shaft of described pinion carrier (CR) links as the moment output shaft of epicyclic train (4) axle drive shaft (6) by gear transmission and wheel.
2, the dynamo-electric driver train of making a concerted effort of epicyclic train that is used for the dynamo-electric hybrid drive system of automobile according to claim 1, it is characterized in that: on described engine shaft (2), be provided with a free-wheel clutch or automatic brake (9), be used to prevent the driving engine reversing.
3, the dynamo-electric driver train of making a concerted effort of epicyclic train that is used for the dynamo-electric hybrid drive system of automobile according to claim 1 and 2, it is characterized in that: in described epicyclic train (4), be provided with a power-transfer clutch (7), be used for first sun wheel (S), second sun wheel (R) and pinion carrier (CR) are locked together, they are rotated with same speed.
4, the dynamo-electric driver train of making a concerted effort of epicyclic train that is used for the dynamo-electric hybrid drive system of automobile according to claim 1 and 2, it is characterized in that: in this electromechanics is made a concerted effort driver train, be provided with a mechanical commutator (8), be used to change the rotation direction of described wheel drive shaft.
5, the dynamo-electric driver train of making a concerted effort of epicyclic train that is used for the dynamo-electric hybrid drive system of automobile according to claim 3, it is characterized in that: in this electromechanics is made a concerted effort driver train, be provided with a mechanical commutator (8), be used to change the rotation direction of described wheel drive shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510085775 CN1757533A (en) | 2004-08-13 | 2005-08-09 | Epicyclie gearing type electro-mechanical driving mechanism for electro-mechanical drivnig system of automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200410026395 | 2004-08-13 | ||
| CN200410026395.9 | 2004-08-13 | ||
| CN 200510085775 CN1757533A (en) | 2004-08-13 | 2005-08-09 | Epicyclie gearing type electro-mechanical driving mechanism for electro-mechanical drivnig system of automobile |
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