CN204459019U - A kind of electric vehicle dual-motor four-speed gear shift device - Google Patents
A kind of electric vehicle dual-motor four-speed gear shift device Download PDFInfo
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- CN204459019U CN204459019U CN201520108860.7U CN201520108860U CN204459019U CN 204459019 U CN204459019 U CN 204459019U CN 201520108860 U CN201520108860 U CN 201520108860U CN 204459019 U CN204459019 U CN 204459019U
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Abstract
The utility model provides a kind of electric vehicle dual-motor four-speed gear shift device, belong to technical field of electric vehicle transmission, these both sides, speed changer two ends are connected with two motor, comprise and engage with gear II first gear pair formed by gear I, engage with gear VII second gear pair formed by gear III, and by gear VI and duplicate gear IV, gear V to engage with duplicate gear IV form three keep off and four keep off gear mesh, clutch collar I, clutch collar II, clutch collar III, transmission input shaft I, transmission input shaft II and transmission output shaft.The utility model can provide four gears for every platform motor, ensures that shift process power does not interrupt simultaneously, also vehicle can be travelled the kinetic energy produced and be converted into part electric energy when braking.
Description
Technical field
The utility model belongs to technical field of electric vehicle transmission, is specifically related to a kind of electric vehicle dual-motor four-speed gear shift device.
Background technique
How to reduce the theme that the energy consumption of automobile and environmental pollution become current automobile industry development.The development of Jin Liangnian China pure electric automobile is rapid, and multiple enterprise commercially releases pure electric automobile, and pure electric automobile enters industrialization.
The driving mechanism of pure electric automobile has multiple, such as the conventional ADS driving system of configuration many gears transmission device and clutch, the list gear transmission device of no-clutch, two independently motor and the fixed stop transmission devices with live axle.The conventional ADS driving cording of configuration many gears transmission device and clutch has multiple gear acceleration good, but dynamic interruption during gearshift; The list gear transmission device of no-clutch can realize stepless change, but acceleration, grade ability are poor, and the efficiency of motor does not give full play to.Visible for common electric car, in the urgent need to the automatic transmission not having power interruption that transmission efficiency is higher.
On the other hand, automobile is different with the demand of the stage of running at high speed to power in the stage of giving it the gun, low speed driving stage, if adopt single motor to drive, motor is difficult to be operated in high-efficiency operation district always, thus easily causes the waste of electric energy.
Chinese patent CN 103939535A discloses a kind of dual-motor two shift transmission of electric vehicle, this patent is suitable for passenger car, because the changes in demand scope of passenger car to power is not very large, but for commercial car, because its load situation is indefinite, therefore the changes in demand scope for power is comparatively large, and two shift transmissions can not ensure that motor operates in efficient district always, cause the waste of electric energy.
Summary of the invention
In order to solve existing electric vehicle dual-motor two shift transmission when power demand excursion is larger, can not ensure that motor operates in efficient district always, thus cause the problem of the waste of electric energy, the utility model provides a kind of electric vehicle dual-motor four-speed gear shift device, its two ends are connected with motor I 3 and motor II 12, this speed changer comprises and engages with gear II 4 first gear pair formed by gear I 1, by gear III 6 to engage with gear VII 15 form three keep off gear mesh, the second gear be made up of gear VI 14 and duplicate gear IV 8 and gear V 10 engage with duplicate gear IV 8 form four keep off gear mesh, and clutch collar I 5, clutch collar II 7, clutch collar III 13, transmission input shaft I 9, transmission input shaft II 11 and transmission output shaft 2 form, described gear I 1 and gear VII 15 are connected with transmission output shaft 2, gear VI 14 empty set is on transmission output shaft 2, all empty set is on transmission input shaft I 9 for described gear II 4, gear III 6 and duplicate gear IV 8, and described gear V 10 is connected on transmission input shaft II 11.The output shaft of described electric motor I 3 is connected with transmission input shaft I 9, the output shaft of described motor II 12 is connected with transmission input shaft II 11, clutch collar I 5 to be fixed on transmission input shaft I 9 and adjacent with gear III 6 with gear II 4, clutch collar I 5 can combine with gear II 4 with gear III 6 or be separated respectively, described clutch collar II 7 to be fixed on transmission input shaft I 9 and adjacent with duplicate gear IV 8, clutch collar II 7 can combine with duplicate gear IV 8 or be separated, described clutch collar III 13 to be fixed on transmission output shaft 2 and adjacent with gear V 10 with gear VI 14, clutch collar III 13 can combine with gear VI 14 with gear V 10 or be separated respectively.
The utility model provides a kind of shift control method of electric vehicle dual-motor four-speed gear shift device simultaneously, this speed changer is that the Power output of motor I 3 and motor II 12 provides four gears, by being coupled of motor I 3 and motor II 12 and this speed changer, in Dual-motors Driving and battery electric quantity is sufficient time, can realize the conversion of four effective gears, four gears are respectively that dual-motor 1 keeps off, dual-motor 2 keeps off, dual-motor 3 keeps off and dual-motor 4 keeps off.
The working principle of electric vehicle dual-motor four-speed gear shift device:
Under dual-motor 1 keeps off drive pattern, clutch collar I 5 is combined with gear II 4, gear II 4 and transmission input shaft I 9 are connected, clutch collar II 7 is combined with duplicate gear IV 8, duplicate gear IV 8 and transmission input shaft I 9 are connected, clutch collar III 13 is not combined with gear V 10 or gear VI 14, the rotating speed of motor I 3, motor II 12 with turn to identical.Power transmission line is now: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear II 4, gear I 1; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, clutch collar II 7, transmission input shaft I 9, clutch collar I 5, gear II 4 and gear I 1, is exported by transmission output shaft 2.
Under dual-motor 2 keeps off drive pattern, clutch collar II 7 is combined with duplicate gear IV 8, duplicate gear IV 8 and transmission input shaft I 9 are connected, clutch collar III 13 is combined with gear VI 14, gear VI 14 and transmission output shaft 2 are connected, clutch collar I 5 is not combined with gear II 4 or gear III 6, and gear II 4 and gear III 6 dally, the rotating speed of motor I 3, motor II 12 with turn to identical.Now power transmission line is: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear VI 14, clutch collar III 13; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, is exported by transmission output shaft 2.
Under dual-motor 3 keeps off drive pattern, clutch collar I 5 is combined with gear III 6, gear III 6 and transmission input shaft I 9 are connected, clutch collar II 7 is combined with duplicate gear IV 8, duplicate gear IV 8 and transmission input shaft I 9 are connected, clutch collar III 13 is not combined with gear V 10 or gear VI 14, the rotating speed of motor I 3, motor II 12 with turn to identical.Power transmission line is now: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, clutch collar II 7, transmission input shaft I 9, clutch collar I 5, gear III 6 and gear VII 15, is exported by transmission output shaft 2.
Under dual-motor 4 keeps off drive pattern, clutch collar II 7 is combined with duplicate gear IV 8, duplicate gear IV 8 and transmission input shaft I 9 are connected, clutch collar III 13 is combined with gear V 10, gear V 10 and transmission output shaft 2 are connected, clutch collar I 5 is not combined with gear II 4 or gear III 6, and gear II 4 and gear III 6 dally, the rotating speed of motor I 3, motor II 12 with turn to identical.Now power transmission line is: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear V 10, clutch collar III 13; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, clutch collar III 13, is exported by transmission output shaft 2.
In the utility model, electric vehicle dual-motor four-speed gear shift device realize the reversing gear step of controlling method is specific as follows:
Motor I 3 works independently, and motor reversion, clutch collar I 5 is combined with gear II 4, gear II 4 and transmission input shaft I 9 are connected, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 idle running, clutch collar III 13 is not combined with gear V 10 or gear VI 14.Power transmission line is now: power is exported by motor I 3, through transmission input shaft I 9, clutch collar I 5, gear II 4, gear I 1, is exported by transmission output shaft 2.
In the utility model, electric vehicle dual-motor four-speed gear shift device realizes being kept off by dual-motor 1 that to be converted to the step that dual-motor 2 keeps off specific as follows:
One, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 is dallied.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear II 4, gear I 1.Now motor I 3 works independently in 1 gear, and motor II 12 does not participate in Power output.
Two, regulate the rotating speed of motor II 12, when gear VI 14 is identical with gear I 1 rotating speed, clutch collar III 13 is combined with gear VI 14, and gear VI 14 and transmission output shaft 2 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear II 4, gear I 1; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, is exported by transmission output shaft 2.Now motor I 3 works in 1 gear, and motor II 12 works in 2 gears.
Three, clutch collar I 5 and gear II 4 depart from and combine, and power transmission line becomes: by the power of motor II 12 output, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, exported by transmission output shaft 2.Now motor II 12 works independently in 2 gears, and motor I 3 does not participate in Power output.
Four, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with motor II 12 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear VI 14, clutch collar III 13; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, is exported by transmission output shaft 2.So far, gearshift terminates, and motor I 3, motor II 12 all work in 2 gears.
In the utility model, electric vehicle dual-motor four-speed gear shift device realizes being kept off by dual-motor 2 that to be converted to the step that dual-motor 3 keeps off specific as follows:
One, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 is dallied.Power transmission line becomes: the power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, is exported by transmission output shaft 2.Now motor II 12 works independently in 2 gears, and motor I 3 does not participate in Power output.
Two, regulate the rotating speed of motor I 3, when gear VII 15 is identical with gear VI 14 rotating speed, clutch collar I 5 is combined with gear III 6, gear III 6 and transmission input shaft I 9 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, is exported by transmission output shaft 2.Now motor I 3 works in 3 gears, and motor II 12 works in 2 gears.
Three, clutch collar III 13 and gear VI 14 depart from and combine, and gear VI 14 is dallied.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15.Now motor I 3 works independently in 3 gears, and motor II 12 does not participate in Power output.
Four, regulate the rotating speed of motor II 12, when motor I 3 turns to identical with tooth motor II 12 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, clutch collar II 7, transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15, is exported by transmission output shaft 2.So far, gearshift terminates, and motor I 3, motor II 12 all work in 3 gears.。
In the utility model, electric vehicle dual-motor four-speed gear shift device realizes being kept off by dual-motor 3 that to be converted to the step that dual-motor 4 keeps off specific as follows:
One, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 is dallied.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15.Now motor I 3 works independently in 3 gears, and motor II 12 does not participate in Power output.
Two, regulate the rotating speed of motor II 12, when motor II 12 is identical with transmission output shaft 2 rotating speed, clutch collar III 13 is combined with gear V 10, and gear V 10 and transmission output shaft 2 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, clutch collar III 13, is exported by transmission output shaft 2.Now motor I 3 works in 3 gears, and motor II 12 works in 4 gears.
Three, clutch collar I 5 and gear III 6 depart from and combine, and power transmission line becomes: by the power of motor II 12 output, through transmission input shaft II 11, gear V 10, clutch collar III 13, exported by transmission output shaft 2.Now motor II 12 works independently in 4 gears, and motor I 3 does not participate in Power output.
Four, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with motor II 12 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission output shaft 2 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear V 10, clutch collar III 13; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, clutch collar III 13, is exported by transmission output shaft 2.So far, gearshift terminates, and motor I 3, motor II 12 all work in 4 gears.
In the utility model, electric vehicle dual-motor four-speed gear shift device realizes being kept off by dual-motor 4 that to reduce to the step that dual-motor 3 keeps off specific as follows:
One, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 is dallied.Now motor II 12 works independently in 4 gears, and motor I 3 does not participate in Power output.
Two, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with gear III 6 rotating speed, clutch collar I 5 is combined with gear III 6, and gear III 6 and transmission input shaft I 9 are connected.Now motor I 3 works in 3 gears, and motor II 12 works in 4 gears.
Three, clutch collar III 13 and gear V 10 depart from and combine, and now motor I 3 works independently in 3 and keeps off, and motor II 12 does not participate in Power output.
Four, regulate the rotating speed of motor II 12, when motor II 12 turns to identical with motor I 3 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.So far, gearshift terminates, and dual-motor all works in 3 gears.
In the utility model, electric vehicle dual-motor four-speed gear shift device realizes being kept off by dual-motor 3 that to reduce to the step that dual-motor 2 keeps off specific as follows:
One, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and now motor I 3 works independently in 3 and keeps off, and motor II 12 does not participate in Power output.
Two, regulate the rotating speed of motor II 12, when gear VI 14 turns to identical with gear VII 15 rotating speed, clutch collar III 13 is combined with gear VI 14, and gear VI 14 and transmission output shaft 2 are connected.Now motor I 3 works in 3 gears, and motor II 12 works in 2 gears.
Three, clutch collar I 5 and gear III 6 depart from and combine, and now motor II 12 works independently in 2 and keeps off, and motor I 3 does not participate in Power output.
Four, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with motor II 12 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.So far, gearshift terminates, and dual-motor all works in 2 gears.
In the utility model, electric vehicle dual-motor four-speed gear shift device realizes being kept off by dual-motor 2 that to reduce to the step that dual-motor 1 keeps off specific as follows:
One, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 is dallied.Now motor II 12 works independently in 2 gears, and motor I 3 does not participate in Power output.
Two, regulate the rotating speed of motor I 3, when motor I 3 is identical with gear II 4 rotating speed, clutch collar I 5 is combined with gear II 4, and gear III 6 and transmission input shaft I 9 are connected.Now motor I 3 works in 1 gear, and motor II 12 works in 2 gears.
Three, clutch collar III 13 and gear VI 14 depart from and combine, and now motor I 3 works independently in 1 and keeps off, and motor II 12 does not participate in Power output.
Four, regulate the rotating speed of motor II 12, when motor II 12 turns to identical with motor I 3 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.So far, gearshift terminates, and dual-motor all works in 1 gear.
The controlling method that the utility model is braked under each gear pattern is specific as follows:
One, when vehicle double electric machine 1 keeps off mode activated traveling, step on brake petal to brake, now power transmission line is: the power of input is successively after transmission output shaft 2, gear I 1, gear II 4, clutch collar I 5, and road drive motor I 3 after transmission input shaft I 9 generates electricity; Another road is through transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear V 10, transmission input shaft II 11, and drive motor II 12 generates electricity.When battery electric quantity is full of, change mechanical braking into.
Two, when vehicle double electric machine 2 keeps off mode activated traveling, step on brake petal to brake, now power transmission line is: the power of input is successively after transmission output shaft 2, clutch collar III 13, gear VI 14, and road drive motor I 3 after duplicate gear IV 8, clutch collar II 7, transmission input shaft I 9 generates electricity; Another road is through duplicate gear IV 8, gear V 10, transmission input shaft II 11, and drive motor II 12 generates electricity.When battery electric quantity is full of, change mechanical braking into.
Three, when vehicle double electric machine 3 keeps off mode activated traveling, step on brake petal to brake, now power transmission line is: the power of input is successively after transmission output shaft 2, gear VII 15, gear III 6, clutch collar I 5, and road drive motor I 3 after transmission input shaft I 9 generates electricity; Another road is through transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear V 10, transmission input shaft II 11, and drive motor II 12 generates electricity.When battery electric quantity is full of, change mechanical braking into.
Four, when vehicle double electric machine 4 keeps off mode activated traveling, step on brake petal to brake, now power transmission line is: the power of input is successively by after transmission output shaft 2, clutch collar III 13, one tunnel is through gear V 10, duplicate gear IV 8, clutch collar II 7, transmission input shaft I 9, and drive motor I 3 generates electricity; Another road is through gear V 10, transmission input shaft II 11, and drive motor II 12 generates electricity.When battery electric quantity is full of, change mechanical braking into.
By improving technical solutions of the utility model further, described a kind of electric vehicle dual-motor four-speed gear shift device also comprise by gear VIII 16 and gear Ⅸ 17 engage form five gear gear mesh, gear VIII 16 between gear III 6 and clutch collar II 7 and empty set on transmission input shaft I 9, gear VIII 16 can combine with clutch collar II 7 or be separated, and gear Ⅸ 17 is between gear VII 15 and gear VI 14 and be connected with transmission output shaft 2.
In improvement project of the present utility model, by increasing by five gear gear mesh, can realize single motor 5 gear and driving as overgear, its step realizing being converted to from dual-motor 4 gear overgear driving is specific as follows:
One, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and now motor II 12 works independently in 4 and keeps off, and motor I 3 does not participate in Power output.
Two, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with the rotating speed of gear VIII 16, clutch collar II 7 is combined with gear VIII 16, and gear VIII 16 and transmission input shaft I 9 are connected.Now power transmission line is: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar II 7, gear VIII 16, gear Ⅸ 17; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, clutch collar III 13, is exported by transmission output shaft 2.Now motor I 3 works in 5 gears, and motor II 12 works in 4 gears, and so far, gearshift terminates.
Its step realizing reducing to from overgear dual-motor 4 gear is specific as follows:
One, clutch collar II 7 and gear VIII 16 depart from and combine, and now motor II 12 works independently in 4 and keeps off, and motor I 3 does not participate in Power output.
Two, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with the rotating speed of motor II 12, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.Now dual-motor works in 4 gears.So far, gearshift terminates.
Advantage of the present utility model:
1. effectively can utilize the high-efficiency operation district of motor, power failure-free during gearshift, it is good to climb accelerating grade ability, and structure is simple, and cost is lower.
2. automatic speed changer for machine is arranged to 4 gears, and improve acceleration performance and the grade ability of automobile, rational allocation Power output, makes full use of motor power, thus reaches the object of energy-conserving and environment-protective and reduction user cost.
3. adopt Dual-motors Driving, under making commercial car no matter be in which kind of load of which kind of operating mode, can be driven by single motor and switch with the pattern of Dual-motors Driving, make motor be operated in high-efficiency operation district always, thus avoid the waste of electric energy.
4. motor I 3 can forward and reversely rotate, and during reversing, extension one gear motor I 3 rotates backward and realizes reverse travel, and now, motor II 12 can not work.
5. carry out Brake energy recovery during braking, namely output terminal is former input end, i.e. motor; Input end is former output terminal, i.e. the rotating speed of wheel, and motor becomes generating state from drive condition, and energy, from wheel to motor, realizes Brake energy recovery.The energy loss of battery can be reduced like this, also can reduce battery cost, improve the continual mileage of electric motor car.
6. control strategy adaptability of the present utility model is stronger, if increase by a pair gear and gear VIII 16 and gear Ⅸ 17 on the basis of original two shift transmissions again, motor I 3 so just can be made a gear is increased, as overgear when not increasing control mechanism.
Accompanying drawing explanation
Fig. 1 is that the utility model 4 keeps off structural representation;
Fig. 2 is power transmission line figure under 1 gear;
Fig. 3 is power transmission line figure under 2 gears;
Fig. 4 is power transmission line figure under 3 gears;
Fig. 5 is power transmission line figure under 4 gears;
Fig. 6 is the power transmission line conversion process that dual-motor 1 gear changes to dual-motor 2 gear;
Fig. 7 is the power transmission line conversion process that dual-motor 2 gear changes to dual-motor 3 gear;
Fig. 8 is the power transmission line conversion process that dual-motor 3 gear changes to dual-motor 4 gear;
Fig. 9 is the power transmission line conversion process that dual-motor 4 gear changes to dual-motor 3 gear;
Figure 10 is the power transmission line conversion process that dual-motor 3 gear changes to dual-motor 2 gear;
Figure 11 is the power transmission line conversion process that dual-motor 2 gear changes to dual-motor 1 gear;
Figure 12 is the lower power transmission line figure that reverses gear;
Figure 13 is that dual-motor 1 keeps off brake power transfer route figure;
Figure 14 is that dual-motor 2 keeps off brake power transfer route figure;
Figure 15 is that dual-motor 3 keeps off brake power transfer route figure;
Figure 16 is that dual-motor 4 keeps off brake power transfer route figure;
Figure 17 is the structural representation that the utility model motor I 3 has overgear;
Figure 18 is that motor I 3 changes to 5 gear power transmission line figure by 4 gears;
Figure 19 is that motor I 3 changes to 4 gear power transmission line figure by 5 gears;
Shown in figure: gear I 1, transmission output shaft 2, motor I 3, gear II 4, clutch collar I 5, gear III 6, clutch collar II 7, duplicate gear IV 8, transmission input shaft I 9, gear V 10, transmission input shaft II 11, motor II 12, clutch collar III 13, gear VI 14, gear VII 15, gear VIII 16 and gear Ⅸ 17.
Embodiment
The utility model mode of execution is illustrated below in conjunction with Figure of description.
Embodiment 1
As shown in Figure 1, a kind of electric vehicle dual-motor of the utility model four-speed gear shift device, its both sides, two ends are connected with motor I 3 and motor II 12, this speed changer comprises and engages with gear II 4 first gear pair formed by gear I 1, by gear III 6 to engage with gear VII 15 form three keep off gear mesh, and by gear VI 14 and duplicate gear IV 8, gear V 10 to engage with duplicate gear IV 8 form two keep off and four keep off gear mesh, clutch collar I 5, clutch collar II 7, clutch collar III 13, transmission input shaft I 9, transmission input shaft II 11 and transmission output shaft 2; Gear I 1 and gear VII 15 are connected with transmission output shaft 2, and gear VI 14 empty set is on transmission output shaft 2, and all empty set is on transmission input shaft I 9 for gear II 4, gear III 6 and duplicate gear IV 8, and gear V 10 is connected on transmission input shaft II 11.The output shaft of electric motor I 3 is connected with transmission input shaft I 9, the output shaft of motor II 12 is connected with transmission input shaft II 11, clutch collar I 5 to be fixed on transmission input shaft I 9 and adjacent with gear III 6 with gear II 4, clutch collar I 5 can combine with gear II 4 with gear III 6 or be separated respectively, clutch collar II 7 to be fixed on transmission input shaft I 9 and adjacent with duplicate gear IV 8, clutch collar II 7 can combine with duplicate gear IV 8 or be separated, clutch collar III 13 to be fixed on transmission output shaft 2 and adjacent with gear V 10 with gear VI 14, clutch collar III 13 can combine with gear VI 14 with gear V 10 or be separated respectively.
Being separated with corresponding gear and combining by control clutch collar I 5, clutch collar II 7, clutch collar III 13, and the rotating speed of motor I 3, motor II 12 is regulated, power failure-free gearshift can be realized.
As shown in Figure 2, under dual-motor 1 keeps off drive pattern, clutch collar I 5 is combined with gear II 4, gear II 4 and transmission input shaft I 9 are connected, clutch collar II 7 is combined with duplicate gear IV 8, duplicate gear IV 8 and transmission input shaft I 9 are connected, and clutch collar III 13 is not combined with gear V 10 or gear VI 14, the rotating speed of motor I 3, motor II 12 with turn to identical.Power transmission line is now: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear II 4, gear I 1; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, clutch collar II 7, transmission input shaft I 9, clutch collar I 5, gear II 4, gear I 1, is exported by transmission output shaft 2.
As shown in Figure 3, under dual-motor 2 keeps off drive pattern, clutch collar II 7 is combined with duplicate gear IV 8, duplicate gear IV 8 and transmission input shaft I 9 are connected, clutch collar III 13 is combined with gear VI 14, and gear VI 14 and transmission output shaft 2 are connected, and clutch collar I 5 is not combined with gear II 4 or gear III 6, gear II 4 and gear III 6 dally, the rotating speed of motor I 3, motor II 12 with turn to identical.Now power transmission line is: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear VI 14, clutch collar III 13; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, is exported by transmission output shaft 2.
As shown in Figure 4, under dual-motor 3 keeps off drive pattern, clutch collar I 5 is combined with gear III 6, gear III 6 and transmission input shaft I 9 are connected, clutch collar II 7 is combined with duplicate gear IV 8, duplicate gear IV 8 and transmission input shaft I 9 are connected, and clutch collar III 13 is not combined with gear V 10 or gear VI 14, the rotating speed of motor I 3, motor II 12 with turn to identical.Power transmission line is now: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, clutch collar II 7, transmission input shaft I 9, clutch collar I 5, gear III 6 and gear VII 15, is exported by transmission output shaft 2.
As shown in Figure 5, under dual-motor 4 keeps off drive pattern, clutch collar II 7 is combined with duplicate gear IV 8, duplicate gear IV 8 and transmission input shaft I 9 are connected, clutch collar III 13 is combined with gear V 10, and gear V 10 and transmission output shaft 2 are connected, and clutch collar I 5 is not combined with gear II 4 or gear III 6, gear II 4 and gear III 6 dally, the rotating speed of motor I 3, motor II 12 with turn to identical.Now power transmission line is: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear V 10, clutch collar III 13; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, clutch collar III 13, is exported by transmission output shaft 2.
The utility model shift process is specifically described below in conjunction with Fig. 6 to Figure 11:
As shown in Figure 6, dual-motor 1 keeps off and becomes dual-motor 2 when keeping off, and first, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 is dallied.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear II 4, gear I 1.Now motor I 3 works independently in 1 gear, and motor II 12 does not participate in Power output.Secondly, regulate the rotating speed of motor II 12, when gear VI 14 is identical with gear I 1 rotating speed, clutch collar III 13 is combined with gear VI 14, and gear VI 14 and transmission output shaft 2 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear II 4, gear I 1; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, is exported by transmission output shaft 2.Now motor I 3 works in 1 gear, and motor II 12 works in 2 gears.Again, clutch collar I 5 and gear II 4 depart from and combine, and power transmission line becomes: by the power of motor II 12 output, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, exported by transmission output shaft 2.Now motor II 12 works independently in 2 gears, and motor I 3 does not participate in Power output.Finally, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with motor II 12 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear VI 14, clutch collar III 13; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, is exported by transmission output shaft 2.So far, gearshift terminates, and motor I 3, motor II 12 all work in 2 gears.
As shown in Figure 7, dual-motor 2 keeps off and becomes dual-motor 3 when keeping off, and first, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 is dallied.Power transmission line becomes: the power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, is exported by transmission output shaft 2.Now motor II 12 works independently in 2 gears, and motor I 3 does not participate in Power output.Secondly, regulate the rotating speed of motor I 3, when gear VII 15 is identical with gear VI 14 rotating speed, clutch collar I 5 is combined with gear III 6, gear III 6 and transmission input shaft I 9 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, gear VI 14, clutch collar III 13, is exported by transmission output shaft 2.Now motor I 3 works in 3 gears, and motor II 12 works in 2 gears.Again, clutch collar III 13 and gear VI 14 depart from and combine, and gear VI 14 is dallied.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15.Now motor I 3 works independently in 3 gears, and motor II 12 does not participate in Power output.Finally, regulate the rotating speed of motor II 12, when motor I 3 turns to identical with tooth motor II 12 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, duplicate gear IV 8, clutch collar II 7, transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15, is exported by transmission output shaft 2.So far, gearshift terminates, and motor I 3, motor II 12 all work in 3 gears.
As shown in Figure 8, dual-motor 3 keeps off and becomes dual-motor 4 when keeping off, and first, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 is dallied.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15.Now motor I 3 works independently in 3 gears, and motor II 12 does not participate in Power output.Secondly, regulate the rotating speed of motor II 12, when motor II 12 is identical with transmission output shaft 2 rotating speed, clutch collar III 13 is combined with gear V 10, and gear V 10 and transmission output shaft 2 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar I 5, gear III 6, gear VII 15; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, clutch collar III 13, is exported by transmission output shaft 2.Now motor I 3 works in 3 gears, and motor II 12 works in 4 gears.Again, clutch collar I 5 and gear III 6 depart from and combine, and power transmission line becomes: by the power of motor II 12 output, through transmission input shaft II 11, gear V 10, clutch collar III 13, exported by transmission output shaft 2.Now motor II 12 works independently in 4 gears, and motor I 3 does not participate in Power output.Finally, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with motor II 12 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission output shaft 2 are connected.Power transmission line becomes: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear V 10, clutch collar III 13; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, clutch collar III 13, is exported by transmission output shaft 2.So far, gearshift terminates, and motor I 3, motor II 12 all work in 4 gears.
As shown in Figure 9, dual-motor 4 gear falls process that dual-motor 3 keeps off and just in time keeps off with dual-motor 3 that to rise the process that dual-motor 4 keeps off contrary.First, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 is dallied.Now motor II 12 works independently in 4 gears, and motor I 3 does not participate in Power output.Secondly, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with gear III 6 rotating speed, clutch collar I 5 is combined with gear III 6, and gear III 6 and transmission input shaft I 9 are connected.Now motor I 3 works in 3 gears, and motor II 12 works in 4 gears.Again, clutch collar III 13 and gear V 10 depart from and combine, and now motor I 3 works independently in 3 and keeps off, and motor II 12 does not participate in Power output.Finally, regulate the rotating speed of motor II 12, when motor II 12 turns to identical with motor I 3 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.So far, gearshift terminates, and dual-motor all works in 3 gears.
As shown in Figure 10, dual-motor 3 gear falls process that dual-motor 2 keeps off and just in time keeps off with dual-motor 2 that to rise the process that dual-motor 3 keeps off contrary.First, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and now motor I 3 works independently in 3 and keeps off, and motor II 12 does not participate in Power output.Secondly, regulate the rotating speed of motor II 12, when gear VI 14 turns to identical with gear VII 15 rotating speed, clutch collar III 13 is combined with gear VI 14, and gear VI 14 and transmission output shaft 2 are connected.Now motor I 3 works in 3 gears, and motor II 12 works in 2 gears.Again, clutch collar I 5 and gear III 6 depart from and combine, and now II 12 work independently in 2 and keep off, motor I 3 does not participate in Power output.Finally, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with motor II 12 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.So far, gearshift terminates, and dual-motor all works in 2 gears.
As shown in figure 11, dual-motor 2 gear falls process that dual-motor 1 keeps off and just in time keeps off with dual-motor 1 that to rise the process that dual-motor 2 keeps off contrary.First, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and duplicate gear IV 8 is dallied.Now motor II 12 works independently in 2 gears, and motor I 3 does not participate in Power output.Secondly, regulate the rotating speed of motor I 3, when motor I 3 is identical with gear II 4 rotating speed, clutch collar I 5 is combined with gear II 4, and gear III 6 and transmission input shaft I 9 are connected.Now motor I 3 works in 1 gear, and motor II 12 works in 2 gears.Again, clutch collar III 13 and gear VI 14 depart from and combine, and now motor I 3 works independently in 1 and keeps off, and motor II 12 does not participate in Power output.Finally, regulate the rotating speed of motor II 12, when motor II 12 turns to identical with motor I 3 rotating speed, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.So far, gearshift terminates, and dual-motor all works in 1 gear.
The implementation method of pattern of reversing gear of the present utility model is as shown in figure 12:
When reversing gear, motor I 3 works independently, and motor reversion, clutch collar I 5 is combined with gear II 4, and gear II 4 and transmission input shaft I 9 are connected, and clutch collar II 7 and duplicate gear IV 8 depart from and combine, duplicate gear IV 8 dallies, and clutch collar III 13 is not combined with gear V 10 or gear VI 14.Power transmission line is now: power is exported by motor I 3, through transmission input shaft I 9, clutch collar I 5, gear II 4, gear I 1, is exported by transmission output shaft 2.
Below in conjunction with Figure 13 to Figure 16, the utility model braking principle under each gear pattern is described:
As shown in figure 13, when vehicle double electric machine 1 keeps off mode activated traveling, step on brake petal to brake, now power transmission line is: the power of input is successively after transmission output shaft 2, gear I 1, gear II 4, clutch collar I 5, and road drive motor I 3 after transmission input shaft I 9 generates electricity; Another road is through transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear V 10, transmission input shaft II 11, and drive motor II 12 generates electricity.When battery electric quantity is full of, change mechanical braking into.
As shown in figure 14, when vehicle double electric machine 2 keeps off mode activated traveling, step on brake petal to brake, now power transmission line is: the power of input is successively after transmission output shaft 2, gear VII 15, gear III 6, clutch collar I 5, and road drive motor I 3 after transmission input shaft I 9 generates electricity; Another road is through transmission input shaft I 9, clutch collar II 7, duplicate gear IV 8, gear V 10, transmission input shaft II 11, and drive motor II 12 generates electricity.When battery electric quantity is full of, change mechanical braking into.
As shown in figure 15, when vehicle double electric machine 3 keeps off mode activated traveling, step on brake petal to brake, now power transmission line is: the power of input is successively after transmission output shaft 2, clutch collar III 13, gear VI 14, and road drive motor I 3 after duplicate gear IV 8, clutch collar II 7, transmission input shaft I 9 generates electricity; Another road is through duplicate gear IV 8, gear V 10, transmission input shaft II 11, and drive motor II 12 generates electricity.When battery electric quantity is full of, change mechanical braking into.
As shown in figure 16, when vehicle double electric machine 4 keeps off mode activated traveling, step on brake petal to brake, now power transmission line is: the power of input is successively by after transmission output shaft 2, clutch collar III 13, one tunnel is through gear V 10, duplicate gear IV 8, clutch collar II 7, transmission input shaft I 9, and drive motor I 3 generates electricity; Another road is through gear V 10, transmission input shaft II 11, and drive motor II 12 generates electricity.When battery electric quantity is full of, change mechanical braking into.
Because 4 gears of now automatic mechanical transmission are through speed ratio optimal design, improve the operational efficiency of motor, make car load power character and Economy all be better than single and two gear electric motor car.Because commercial car is comparatively large for the changes in demand scope of power, it is comparatively suitable for being therefore arranged to four gears.Meanwhile, cooperatively interacted by motor I 3 and motor II 12 and shift gears, power failure-free in shift process can be realized, improve shift quality, improve the run smoothness of vehicle.Motor I 3 can be realized forward and rotate backward by the direction changing input voltage, when motor I 3 rotates backward, can realize the sternway of vehicle in such a mode.
As can be seen from the above description, the utility model achieves the power coupling of two motor with the structure of the higher gear-shift transmission in upright arrangement of transmission efficiency, and the Power output for motor provides 4 gears, meets the real work demand of motor.And by the conversion of plurality of operating modes, can the speed characteristics of effective sharp motor and high-efficiency operation district.This apparatus structure is simple, cost is lower, and can realize active synchronization speed governing and power failure-free control when shifting gears, and improves power character and the Economy of automobile.
Embodiment 2
As shown in figure 17, the utility model increases by a pair gear on the basis of embodiment 1, i.e. gear VIII 16 and gear Ⅸ 17, gear VIII 16 empty set is on transmission input shaft I 9, clutch collar II 7 can optionally be combined with gear VIII 16 or duplicate gear IV 8, gear Ⅸ 17 and transmission output shaft 2 are connected, and gear VIII 16 engages with gear Ⅸ 17, and gear VIII 16 number of teeth is greater than the number of teeth of gear Ⅸ 17.
In the present embodiment, motor I 3 just can be made to increase a gear when not increasing control mechanism, as overgear, but now motor II 12 gear number is not increased.
In the present embodiment, dual-motor 1 keeps off dual-motor 4 to keep off the operating process of power transmission line and upshift downshift constant, only illustrates dual-motor 4 in conjunction with Figure 18 and Figure 19 and keeps off shift control method between the gear of overgear 5.
As shown in figure 18, if motor I 3 is for being upgraded to overgear 5 keeping off from 4 gears, first, clutch collar II 7 and duplicate gear IV 8 depart from and combine, and now motor II 12 works independently in 4 and keeps off, and motor I 3 does not participate in Power output.Finally, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with the rotating speed of gear VIII 16, clutch collar II 7 is combined with gear VIII 16, and gear VIII 16 and transmission input shaft I 9 are connected.Now power transmission line is: the power exported by motor I 3, is exported by transmission output shaft 2 after transmission input shaft I 9, clutch collar II 7, gear VIII 16, gear Ⅸ 17; The power exported by motor II 12, through transmission input shaft II 11, gear V 10, clutch collar III 13, is exported by transmission output shaft 2.So far, gearshift terminates.
As shown in figure 19, if motor I 3 is for reducing to 4 gears from overgear 5 gear, first, clutch collar II 7 and gear VIII 16 depart from and combine, and now motor II 12 works independently in 4 and keeps off, and motor I 3 does not participate in Power output.Finally, regulate the rotating speed of motor I 3, when motor I 3 turns to identical with the rotating speed of motor II 12, clutch collar II 7 is combined with duplicate gear IV 8, and duplicate gear IV 8 and transmission input shaft I 9 are connected.Now dual-motor works in 4 gears.So far, gearshift terminates.
As can be seen from the above description, control strategy adaptability of the present utility model is stronger, if increase by a pair gear again on the basis of original 4 shift transmissions, motor I 3 so just can be made a gear is increased when not increasing control mechanism, as overgear, be extremely significant for vehicle in need.
Claims (2)
1. an electric vehicle dual-motor four-speed gear shift device, its both sides, two ends are connected with motor I (3) and motor II (12), it is characterized in that: described speed changer engages with gear II (4) first gear pair formed by gear I (1), by gear III (6) to engage with gear VII (15) form three keep off gear mesh, the second gear pair be made up of gear VI (14) and duplicate gear IV (8), by gear V (10) to engage with duplicate gear IV (8) form four keep off gear mesh, and clutch collar I (5), clutch collar II (7), clutch collar III (13), transmission input shaft I (9), transmission input shaft II (11) and transmission output shaft (2) composition, described gear I (1) and gear VII (15) are connected with transmission output shaft (2), described gear VI (14) empty set is on transmission output shaft (2), the equal empty set of described gear II (4), gear III (6) and duplicate gear IV (8) is on transmission input shaft I (9), and described gear V (10) is connected on transmission input shaft II (11), the output shaft of described electric motor I (3) is connected with transmission input shaft I (9), the output shaft of described motor II (12) is connected with transmission input shaft II (11), it is upper and adjacent with gear III (6) with gear II (4) that described clutch collar I (5) is fixed on transmission input shaft I (9), clutch collar I (5) combines with gear II (4) with gear III (6) or is separated respectively, it is upper and adjacent with duplicate gear IV (8) that described clutch collar II (7) is fixed on transmission input shaft I (9), clutch collar II (7) combines with duplicate gear IV (8) or is separated, it is upper and adjacent with gear V (10) with gear VI (14) that described clutch collar III (13) is fixed on transmission output shaft (2), clutch collar III (13) combines with gear VI (14) with gear V (10) or is separated respectively.
2. a kind of electric vehicle dual-motor four-speed gear shift device as claimed in claim 1, it is characterized in that: its also comprise by gear VIII (16) and gear Ⅸ (17) engage form five gear gear mesh, gear VIII (16) to be positioned between gear III (6) and clutch collar II (7) and empty set on transmission input shaft I (9), gear VIII (16) can combine with clutch collar II (7) or be separated, and gear Ⅸ (17) to be positioned between gear VII (15) and gear VI (14) and to be connected with transmission output shaft (2).
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| CN201520108860.7U CN204459019U (en) | 2015-02-13 | 2015-02-13 | A kind of electric vehicle dual-motor four-speed gear shift device |
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| CN201520108860.7U CN204459019U (en) | 2015-02-13 | 2015-02-13 | A kind of electric vehicle dual-motor four-speed gear shift device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633020A (en) * | 2015-02-13 | 2015-05-20 | 吉林大学 | Double-motor four-gear gearbox for electric car and gear shifting control method of double-motor four-gear gearbox |
| WO2019019292A1 (en) * | 2017-07-27 | 2019-01-31 | 精进电动科技股份有限公司 | Vehicle dual power source and dual drive assembly |
-
2015
- 2015-02-13 CN CN201520108860.7U patent/CN204459019U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633020A (en) * | 2015-02-13 | 2015-05-20 | 吉林大学 | Double-motor four-gear gearbox for electric car and gear shifting control method of double-motor four-gear gearbox |
| WO2019019292A1 (en) * | 2017-07-27 | 2019-01-31 | 精进电动科技股份有限公司 | Vehicle dual power source and dual drive assembly |
| US11738629B2 (en) | 2017-07-27 | 2023-08-29 | Jing-Jin Electric Technologies Co., Ltd. | Vehicle two-power-source dual driving assembly |
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