CN205059313U - Bi -motor multi -mode driving system of adjustable speed - Google Patents
Bi -motor multi -mode driving system of adjustable speed Download PDFInfo
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- CN205059313U CN205059313U CN201520856652.5U CN201520856652U CN205059313U CN 205059313 U CN205059313 U CN 205059313U CN 201520856652 U CN201520856652 U CN 201520856652U CN 205059313 U CN205059313 U CN 205059313U
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Abstract
The utility model discloses a bi -motor multi -mode driving system of adjustable speed, include: main motor, stand -by motor, first clutch, second clutch and the single planetary gear train of driving, single planetary gear train includes sun gear, planet wheel, planet carrier, ring gear and ring gear stopper, the planet wheel sets up on the planet carrier, sun gear and planetary gear meshing, planet wheel and ring gear meshing, main drive the motor pass through the transmission shaft connect in the sun gear, the stand -by motor passes through first clutch be coupled in the ring gear, and the stand -by motor passes through the second clutch be coupled in the sun gear, the planet carrier is bi -motor multi -mode driving system's power take off end. The utility model discloses improved the work efficiency of bi -motor greatly, made its performance by make full use of.
Description
Technical field
The utility model relates to motor and drives field, particularly relates to a kind of double-motor multi-mode power system of adjustable speed.
Background technology
At present, the driving system structure pattern of pure electric vehicle on the market mainly contains centralized single motor driven systems and discrete multi-motors drive system (wheel hub motor or wheel motor structure) 2 kinds.Centralized single electric system to exist under vehicle all speed of a motor vehicle operating mode motor high efficiency running cannot cause the on the low side and motor performance requirement high-technology problem of overall efficiency; And discrete multi-motors drive system exists that Integrated manufacture difficulty is large, multi-motor coordination controls the technical problem underlying such as difficulty high and motor oscillating fatigue life is short.For this reason, the novel centralized power system design based on double-motor becomes another kind of solution.
In prior art, patent CN101633305 discloses a kind of power assembly system of double-motor cascaded structure formula, utilizes 1 slowspeed machine and 1 high-speed electric expreess locomotive to operate under different speed of a motor vehicle operating mode, reaches the object that 2 motors are in high efficient area running as far as possible; Patent CN203739605U, CN102490599, CN201110257806 and ACN104015600 all adopt parallel way, utilize the torque coupling of double-motor or rotating speed coupling to optimize the operation interval of double-motor, reach energy-conservation object.There is following problem in existing motor-drive technique:
Shortcoming 1:
Patent CN101633305 realizes high-speed electric expreess locomotive and slowspeed machine switches running under the different speed of a motor vehicle, thus improves power system efficiency.Only have 1 motor participation work when vehicle operating, this just requires that 2 motors all possess relatively high power and under the different speed of a motor vehicle, all have good acceleration capability to meet vehicle.
Shortcoming 2:
Patent CN203739605U, CN102490599, CN201110257806 and ACN104015600 all adopt parallel way, its structure can only realize torque coupling or the rotating speed coupling driving mode of 2 motors, 2 kinds of coupled mode but have no idea integrated torque coupling and rotating speed are simultaneously coupled, cannot integrated for the performance of 2 motors advantage be performed to maximum, thus reduce the whole efficiency of double-motor power system.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of double-motor multi-mode power system of adjustable speed, for realizing double-motor torque coupling and rotating speed couple drive pattern, and improves the work efficiency of dual motors system under different speed of a motor vehicle operating mode.
The utility model is achieved in that
A double-motor multi-mode power system for adjustable speed, comprising: master drives motor, helper motor, first clutch, second clutch and single planet circular system;
Described single planet circular system comprises sun wheel, satellite gear, pinion carrier, gear ring and gear ring drg, and described satellite gear is arranged in pinion carrier, and described sun wheel engages with satellite gear, and satellite gear engages with gear ring;
Described master drives motor and is connected to described sun wheel by transmission shaft, described helper motor is coupled to described gear ring by described first clutch, and described helper motor is coupled to described sun wheel by described second clutch, described pinion carrier is the clutch end of double-motor multi-mode power system.
Further, the double-motor multi-mode power system of described adjustable speed also comprises power take-off shaft, main reduction gear and differential assembly;
Described power take-off shaft is connected to described pinion carrier, and the stage casing of power take-off shaft is provided with universal-joint, and the mouth of main reduction gear and differential assembly is connected to described power take-off shaft.
Further, described first clutch and second clutch are magnetic clutch or multi-disc wet clutch.
For solving the problems of the technologies described above, another technical scheme that the utility model provides is:
A double-motor multi-mode driving method for adjustable speed, described double-motor comprises the coupling of double-motor low speed torque, the coupling of double-motor mid-range torque and double-motor high speed rotating speed coupling work mode;
Described double-motor low speed torque coupling work mode is:
Master drives motor and helper motor all works on power, master drives the sun wheel that motor power is connected to single planet circular system, helper motor is connected to described sun wheel by clutch power, by the gear ring of the single planet circular system of gear ring drg locking, the pinion carrier of planetary gear train is the clutch end of double-motor;
Described double-motor mid-range torque coupling work mode is:
Master drives motor and helper motor all works on power, master drives the sun wheel that motor power is connected to single planet circular system, helper motor is connected to the gear ring of described sun wheel and planet circular system by power while of power-transfer clutch, release drg makes described gear ring be in free rotation state, and the pinion carrier of planetary gear train is the clutch end of double-motor;
Described double-motor high speed rotating speed coupling work mode is:
Master drives motor and helper motor all works on power, master drives the sun wheel that motor power is connected to single planet circular system, helper motor is connected to the gear ring of planet circular system by clutch power, release drg makes described gear ring be in free rotation state, and the pinion carrier of planetary gear train is the clutch end of double-motor.
Further, described double-motor also comprises the driving of single motor, reversing and Brake feedback power generation operation pattern.
Further, the double-motor multi-mode driving method of described adjustable speed comprises:
Gather automobile controling parameters, described automobile controling parameters comprises the power line voltage of acceleration pedal signal, brake pedal signal, the speed of a motor vehicle, motor speed and automobile;
According to the torque-demand of described automobile controling parameters estimation car load, and control the mode of operation of double-motor according to described torque-demand.
Further, the described torque-demand according to described automobile controling parameters estimation car load, and comprise according to the mode of operation of described torque-demand control double-motor:
Judge whether current vehicle speed is greater than default low speed value, if not, then judge whether acceleration pedal signal is greater than preset value, if acceleration pedal signal is greater than described preset value, then control double-motor to work with double-motor low speed torque coupling work mode, if acceleration pedal signal is less than or equal to described preset value, then controls double-motor and drive mode of operation with the main motor unit that drives;
If current vehicle speed is greater than default low speed value, then judge whether current vehicle speed is greater than default middling speed value, if, then control double-motor with double-motor high speed rotating speed coupling work mode, if current vehicle speed is less than or equal to default middling speed value, then controls double-motor and work with double-motor mid-range torque coupling work mode.
Further, described Brake feedback power generation operation pattern comprises:
Judge whether automobile battery voltage is greater than default threshold value, if so, then adopt machine moving plate to carry out positive mechanical braking;
If whether automobile battery voltage is less than or equal to default threshold value, then judge whether current vehicle speed is less than the default braking speed of a motor vehicle, if so, then adopt single motor braking to feed back generating, if not, then adopt the generating of double-motor Brake feedback.
The beneficial effects of the utility model are: the utility model comprises master and drives motor, helper motor, first clutch, second clutch and planet circular system, master drives the sun wheel that motor is connected to planet circular system, by controlling the different operating state of first clutch and second clutch and gear ring braking, can make main to drive motor and helper motor works in the coupling of double-motor low speed torque, the coupling of double-motor mid-range torque and double-motor high speed rotating speed coupling work mode, simultaneously integrated torque coupling and rotating speed are coupled 2 kinds of coupled mode not only can to make double-motor, but also the speed-regulating function of more than double-motor at least three gears can be realized, realize different mode of operations and meet the different driving cycle of vehicle, make full use of work efficiency and the performance of double-motor.Power system designed by the utility model easier, reliably can complete the real-time switching of each mode of operation, meets the power demand of each operating mode of car load.
Accompanying drawing explanation
Fig. 1 is the structure diagram of the double-motor multi-mode power system of the utility model embodiment adjustable speed;
Fig. 2 is the double-motor multi-mode driving method main flow chart of the utility model embodiment adjustable speed;
Fig. 3 is the double-motor multi-mode driving method driven element program flow diagram of utility model embodiment adjustable speed;
Fig. 4 is the double-motor multi-mode driving method braking subroutine flow chart of utility model embodiment adjustable speed;
Fig. 5 is the control logic constructional drawing of the double-motor multi-mode power system of the utility model embodiment adjustable speed.
Label declaration:
1, master drives motor; 2, helper motor; 3, first clutch; 4, second clutch; 5, gear ring drg; 6, universal-joint; 7, main reduction gear and differential assembly.
Detailed description of the invention
By describing technology contents of the present utility model, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Refer to Fig. 1, the double-motor multi-mode power system of a kind of adjustable speed of the utility model embodiment, it comprises master and drives motor 1, helper motor 2, first clutch 3, second clutch 4, gear ring drg 5 and single planet circular system (PG in Fig. 1).Described single planet circular system comprises sun wheel, satellite gear, pinion carrier, gear ring and gear ring drg, and described satellite gear is arranged in pinion carrier, and described sun wheel engages with satellite gear, and satellite gear engages with gear ring.Wherein, the sun wheel number of teeth be Zs, the characteristic parameter of the number of teeth of gear ring to be Zr, k=Zr/Zs be planet circular system.Master drives motor 1 and is connected with the sun wheel of planet circular system PG; Helper motor 2 is realized and the connection of planet circular system PG gear ring or disconnection by the combination of first clutch 3 or released state; Helper motor is realized and the connection of planet circular system PG sun wheel or disconnection by the combination of second clutch 4 or released state; The pinion carrier of planet circular system PG is the clutch end of double-motor, and pinion carrier sequentially passes through universal-joint 6, main reduction gear and differential assembly 7 by transmission of power to drive wheel.
The double-motor multi-mode power system of the utility model embodiment adjustable speed comprises multiple-working mode, refers to table one, is the control table of double-motor mode of operation:
Table one
The execution principle of various mode of operation is summarized as follows:
(1) master drives the independent drive pattern of motor: now first clutch separation 3, second clutch separation 4, gear ring drg 5 are braked.When main rotating shaft of driving motor 1 rotates clockwise (corresponding vehicle advances and travels), when drg gear ring brake gear ring, the function of planet circular system is as retarder (transmitting ratio is 1+k), and namely master's power of driving motor is delivered to pinion carrier from sun wheel and realizes deceleration increasing and turn round rear dragging motor vehicle and run.This pattern is applicable to vehicle low speed level land driving cycle (vehicle low-power requirements), and power system only has 1 motor participation work, and overall efficiency is higher.In addition, this pattern is applicable to ensure when helper motor is out of order that vehicle still can travel, and improves safety and maintenance convenience.
(2) the independent drive pattern of helper motor: now first clutch be separated 3, second clutch in conjunction with 4, gear ring drg 5 brakes.Under this pattern, master drives motor 1 and does not participate in work, and power is provided by helper motor completely.The power of helper motor 2 is delivered to sun wheel through second clutch, when the rotating shaft of helper motor 2 rotates clockwise (corresponding vehicle advances and travels), its power is delivered to pinion carrier from sun wheel and drives vehicle operating, and the function of planet circular system is as retarder (transmitting ratio is 1+k).Power transmission situation under this pattern is similar to 1, is applicable to ensure that vehicle still can travel when initiatively motor is out of order, and improves safety and maintenance convenience.
(3) two-shipper low speed (corresponding vehicle speed is less than 10Km/h interval) torque coupling drive pattern: now first clutch 3 is separated, second clutch 4 combines, gear ring drg 5 is braked.With 2 unlike, now master drives motor 1 and helper motor 2 participates in work simultaneously, and the power of helper motor 2 is superimposed upon in sun wheel through second clutch and the main power driving motor 1.Suppose T
1and ω
1, T
2and ω
2, T
sand ω
sbe respectively main and drive motor 1 output torque and cireular frequency, helper motor 2 output torque and cireular frequency, the input torque of sun wheel and cireular frequency, according to power conservation law T
1ω
1+ T
2ω
2=T
sω
sand ω
1=ω
2=ω
scondition of service can obtain T
1+ T
2=T
sresult, namely planet circular system moment of torsion input T
sit is the linear superposition of 2 Motor torques.Now, the function of planet circular system as retarder (transmitting ratio is 1+k), realize double-motor torque coupling and through planet circular system deceleration increase turn round rear dragging motor vehicle run, from pinion carrier export moment of torsion be: T
o=(K+1) g (T
1+ T
2).This pattern can meet vehicle start, climb the operating mode such as large slope and anxious accelerations under high pulling torque power demand, farthest utilize the Combination property of 2 motors, under guarantee power, reduce the coupling capacity of single motor.
(4) two-shipper middling speed (corresponding vehicle speed is interval at 10 ~ 30Km/h) torque coupling drive pattern: now first clutch 3 combines, second clutch 4 combines, gear ring drg 5 is separated.When first clutch and second clutch all in conjunction with, sun wheel and gear ring link together, running with rotating speed in the same way of the two causes pinion carrier to be seized on both sides by the arms running with rotating speed in the same way, and now the effect of planet circular system is as transmission shaft (transmitting ratio is 1).Now, the main stackable output of power of driving motor and helper motor, under same rotating speed, the two achieves torque coupling, and the torque just exported from pinion carrier is: T
o=T
1+ T
2.Under this pattern, can ensure that vehicle effectively utilizes the moment of torsion superposition of double-motor to improve the dynamic property of vehicle in middling speed, be applicable to vehicle climbing and anxious accelerating mode.
(5) two-shipper (corresponding vehicle speed is greater than 30Km/h interval) rotating speed couple drive pattern at a high speed: now first clutch 3 combines, second clutch 4 is separated, gear ring drg 5 discharges.Utilize the differential principle of planet circular system, master can be realized by the speed governing of helper motor 2 and drive the rotating speed of motor 1 and the decoupling zero of the vehicle operating speed of a motor vehicle, make the main motor that drives run on efficient district raising car load power system operation efficiency.Rotary speed property formula according to planet circular system: ω
s+ k ω
r-(1+k) ω
c=0 (wherein: ω
sfor sun wheel cireular frequency; ω
rfor gear ring cireular frequency; ω
wfor pinion carrier cireular frequency; K is the characteristic parameter of planet circular system) and ω
1=ω
sand ω
2=ω
rservice conditions under, can obtain pinion carrier place cireular frequency export be:
now, (ω is equivalent to when the main cireular frequency driving motor 1 is stabilized in efficient district
1size constant or fine setting when), as long as carry out to helper motor 2 the pinion carrier cireular frequency that dynamic speed adjustment (namely to gear ring speed governing) just can mate correspondence under the different speed of a motor vehicle.This pattern is applicable to vehicle high speed and cruises driving mode, ensure main drive the efficiency optimization of motor under make overall efficiency as far as possible the highest.
(6) reversing unit drive pattern: now first clutch 3 is separated, second clutch 4 is separated, gear ring drg 5 discharges.Operative scenario under this pattern is identical with (1), and the rotating shaft inhour that the master just in system drives motor 1 rotates (corresponding vehicle backing driving cycle), meets the general reverse travel of vehicle.
(7) reversing twin-engined drives pattern: now first clutch 3 is separated, second clutch 4 combines, gear ring drg 5 discharges.Operative scenario under this pattern is identical with (3), and the master just in system drives rotating shaft all inhours rotation (corresponding vehicle backing driving cycle) of motor 1 and helper motor 2, meets the travel situations of vehicle backing climbing high pulling torque demand.
(8) unit Brake feedback generating: now first clutch 3 is separated, second clutch 4 is separated, gear ring drg 5 is braked.Now, the inertia energy of vehicle is counter to be dragged and mainly drives motor 1 and operate, and the gear ring braking of planet circular system, the effect of planet circular system is equivalent to a speed increaser (over-speed gear ratio is: 1+K).Under the low speed of a motor vehicle of vehicle travels, the main rotor driving motor 1 due to the accelerating function of planet circular system still can realize main drive motor efficiently braking energy reclaim.This pattern is applicable to the braking driving operating mode under vehicle low speed.
(9) two-shipper Brake feedback generating: now first clutch 3 combines, second clutch 4 combines, gear ring drg 5 unclamps.Now, the effect of planet circular system is equivalent to a transmission shaft (transmitting ratio is: 1), and the inertia energy of vehicle is counter to be dragged and mainly drive motor 1 and helper motor 2 operates.Because 2 motors participate in regenerative brake simultaneously, farthest braking energy can be reclaimed.This pattern is used in drag driving cycle during vehicle high speed.
To sum up analyze, the utility model patent can realize different mode of operations and meet the different driving cycle of vehicle.The switching of various pattern, only need 2 power-transfer clutch firsts clutch and second clutch, and the mode of operation of 1 drg gear ring drg switches and can realize, can make main to drive motor and helper motor works in the coupling of double-motor low speed torque, the coupling of double-motor mid-range torque and double-motor high speed rotating speed coupling work mode, simultaneously integrated torque coupling and rotating speed are coupled 2 kinds of coupled mode not only can to make double-motor, but also the speed-regulating function of more than double-motor at least three gears can be realized, realize different mode of operations and meet the different driving cycle of vehicle, make full use of work efficiency and the performance of double-motor.Namely the power system designed by this patent easier, reliably can complete the real-time switching of each mode of operation, meets the power demand of each operating mode of car load.
Especially, in order to system is implemented easily, according to the actual conditions of its installing space and carry-over moment on dilly, the first clutch 3 in the power system shown in Fig. 1 and second clutch 4 preferentially should select magnetic clutch, have been easy to assembling and have controlled; At big-and-middle-sized vehicle as bus etc., in order to ensure life of clutch and transmitting large torque demand, the first clutch 3 in the power system shown in Fig. 1 and second clutch 4 preferentially should select multi-disc wet clutch.
Another embodiment of the present utility model is: a kind of double-motor multi-mode driving method of adjustable speed, double-motor in present embodiment is respectively main and drives motor and helper motor, this driving method can realize multiple-working mode by the single planet circular system of control and two power-transfer clutchs, and described mode of operation comprises the coupling of double-motor low speed torque, the coupling of double-motor mid-range torque and the coupling of double-motor high speed rotating speed, single motor and drives, moves backward and Brake feedback power generation operation pattern.
Described double-motor mid-range torque coupling work mode is:
Master drives motor and helper motor all works on power, master drives the sun wheel that motor power is connected to single planet circular system, helper motor is connected to the gear ring of described sun wheel and planet circular system by power while of power-transfer clutch, release drg makes described gear ring be in free rotation state, and the pinion carrier of planetary gear train is the clutch end of double-motor;
Described double-motor high speed rotating speed coupling work mode is:
Master drives motor and helper motor all works on power, master drives the sun wheel that motor power is connected to single planet circular system, helper motor is connected to the gear ring of planet circular system by clutch power, release drg makes described gear ring be in free rotation state, and the pinion carrier of planetary gear train is the clutch end of double-motor.
Described single motor driving comprises the main motor unit that drives and drives and the driving of helper motor unit; Described reversing mode of operation comprises the reversing of single motor and double-motor reversing; Described Brake feedback power generation operation pattern comprises the generating of unit Brake feedback and the generating of two-shipper Brake feedback.
Refer to Fig. 2, the double-motor multi-mode driving method of described adjustable speed comprises:
Gather automobile controling parameters, described automobile controling parameters comprises the power line voltage of acceleration pedal signal, brake pedal signal, the speed of a motor vehicle, motor speed and automobile;
According to the torque-demand of described automobile controling parameters estimation car load, and control the mode of operation of double-motor according to described torque-demand.
Wherein, the control for brake of automobile and drived control adopt interruption subroutine to control.
Refer to Fig. 3, for the subroutine flow chart that Dual-motors Driving is interrupted, in Fig. 3, SPD_pgc is current vehicle speed, LS_cockpit is acceleration pedal signal value, CL1_realse is first clutch, and CL1_realse is second clutch, and B_realse is gear ring drg, SPD_min is default low speed value, SPD_mid is default middling speed value, and SPD_M1 is that master drives motor speed, and SPD_M1opt is that default master drives motor speed value, T_M1 is that master drives motor torque, T_M2 is the torque of helper motor, and " 1 " represents work, and " 0 " representative does not work.
The described torque-demand according to described automobile controling parameters estimation car load, and comprise according to the mode of operation of described torque-demand control double-motor:
Judge whether current vehicle speed is greater than default low speed value, if not, then judge whether acceleration pedal signal is greater than preset value, if acceleration pedal signal is greater than described preset value, then control double-motor to work with double-motor low speed torque coupling work mode, if acceleration pedal signal is less than or equal to described preset value, then controls double-motor and drive mode of operation with the main motor unit that drives;
If current vehicle speed is greater than default low speed value, then judge whether current vehicle speed is greater than default middling speed value, if, then control double-motor with double-motor high speed rotating speed coupling work mode, if current vehicle speed is less than or equal to default middling speed value, then controls double-motor and work with double-motor mid-range torque coupling work mode.
Refer to Fig. 4, for braking interruption subroutine diagram of circuit, in Fig. 4, U_ps is cell pressure, and U_psmax is default voltage threshold, and Dsc represents mechanical braking, SPD_PGC is current vehicle speed, SPD_pgcmd is the default braking speed of a motor vehicle, and M1_gen is that main motor braking feedback of driving generates electricity, and M2_gen is the generating of helper motor Brake feedback.
Described Brake feedback power generation operation pattern comprises:
Judge whether automobile battery voltage is greater than default voltage threshold, if so, then adopt machine moving plate to carry out positive mechanical braking;
If whether automobile battery voltage is less than or equal to default threshold value, then judge whether current vehicle speed is less than the default braking speed of a motor vehicle, if so, then adopt single motor braking to feed back generating, if not, then adopt the generating of double-motor Brake feedback.
Refer to Fig. 5, for in present embodiment, the control logic constructional drawing of the double-motor multi-mode power system of adjustable speed, (1) parameter acquisition module---gather associated control parameters (acceleration/brake pedal, the speed of a motor vehicle, 2 signals such as motor speed, power line voltage); (2) secondary control module---utilize these parameters to carry out electric quantity of power supply state SOC estimation, the calculating of car load demand torque and the identification of propulsion source efficiency; (3) driving mode handover module---control the actuating unit actions such as corresponding power-transfer clutch and drg and 2 motors work in different modes; (4) torque distribution module---according to power system overall efficiency principle, the torque output that distributed power source is different and efficient work; (5) controling parameters output module---the controling parameters in (1) is exported and forms cycle control.
The different operating state that the utility model is braked by control two power-transfer clutchs and gear ring, can make main to drive motor and helper motor works in the coupling of double-motor low speed torque, the coupling of double-motor mid-range torque and double-motor high speed rotating speed coupling work mode, simultaneously integrated torque coupling and rotating speed are coupled 2 kinds of coupled mode not only can to make double-motor, but also the speed-regulating function of more than double-motor at least three gears can be realized, realize different mode of operations and meet the different driving cycle of vehicle, make full use of work efficiency and the performance of double-motor.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification sheets and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (3)
1. a double-motor multi-mode power system for adjustable speed, is characterized in that, comprising: master drives motor, helper motor, first clutch, second clutch and single planet circular system;
Described single planet circular system comprises sun wheel, satellite gear, pinion carrier, gear ring and gear ring drg, and described satellite gear is arranged in pinion carrier, and described sun wheel engages with satellite gear, and satellite gear engages with gear ring;
Described master drives motor and is connected to described sun wheel by transmission shaft, described helper motor is coupled to described gear ring by described first clutch, and described helper motor is coupled to described sun wheel by described second clutch, described pinion carrier is the clutch end of double-motor multi-mode power system.
2. the double-motor multi-mode power system of adjustable speed according to claim 1, is characterized in that, also comprise power take-off shaft, main reduction gear and differential assembly;
Described power take-off shaft is connected to described pinion carrier, and the stage casing of power take-off shaft is provided with universal-joint, and the mouth of main reduction gear and differential assembly is connected to described power take-off shaft.
3. the double-motor multi-mode power system of adjustable speed according to claim 1 and 2, is characterized in that, described first clutch and second clutch are magnetic clutch or multi-disc wet clutch.
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| CN105216653A (en) * | 2015-10-30 | 2016-01-06 | 福建万润新能源科技有限公司 | A kind of double-motor multi-mode power system of adjustable speed and driving method |
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| CN106627077A (en) * | 2016-12-02 | 2017-05-10 | 福建万润新能源科技有限公司 | Dual-input power coupler and automobile |
| CN106627077B (en) * | 2016-12-02 | 2023-10-03 | 福建万润新能源科技有限公司 | Dual-input power coupler and automobile |
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| CN108327497A (en) * | 2018-01-25 | 2018-07-27 | 北京长城华冠汽车科技股份有限公司 | Electric drive axle system |
| CN108638849A (en) * | 2018-06-29 | 2018-10-12 | 北汽福田汽车股份有限公司 | The drive system of vehicle and vehicle with it |
| CN111038239A (en) * | 2018-10-15 | 2020-04-21 | 郑州宇通客车股份有限公司 | Dual-motor driving system and vehicle |
| CN111216534A (en) * | 2018-11-23 | 2020-06-02 | 郑州宇通客车股份有限公司 | Pure electric double-motor driving system and vehicle |
| CN113650488A (en) * | 2021-08-20 | 2021-11-16 | 北方汤臣传动科技有限公司 | Transmission system with double-motor power coupling function |
| CN113650488B (en) * | 2021-08-20 | 2023-11-21 | 北方汤臣传动科技有限公司 | Transmission system with double-motor power coupling function |
| CN113696721A (en) * | 2021-09-14 | 2021-11-26 | 燕山大学 | Dual-motor coupling driving system based on double-row single sun wheel type planetary mechanism |
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