CN208576415U - A kind of double-motor power system and a kind of vehicle - Google Patents

A kind of double-motor power system and a kind of vehicle Download PDF

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Publication number
CN208576415U
CN208576415U CN201820845971.XU CN201820845971U CN208576415U CN 208576415 U CN208576415 U CN 208576415U CN 201820845971 U CN201820845971 U CN 201820845971U CN 208576415 U CN208576415 U CN 208576415U
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motor
clutch
driving motor
driving
double
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严二冬
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Borgward Automotive China Co Ltd
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Borgward Automotive China Co Ltd
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Abstract

The utility model relates to Vehicle Engineering technical fields, disclose a kind of double-motor power system, comprising: front motor drive system, rear motor driven systems and transmission device;One end of transmission device is connected with front motor drive system, and the other end is connected with rear motor driven systems;Front clutch is provided in front motor drive system, the preceding driving motor output end in front motor drive system is connected by front clutch with front driving wheel;And/or rear clutch is provided in rear motor driven systems, the rear driving motor output end in rear motor driven systems is connected by rear clutch with rear drive sprocket.Multiple-working mode may be implemented in the double-motor power system, can use different operating modes according to different surface conditions and driving cycle selection, realize dynamic property, handling taking into account with economy.The invention also discloses a kind of vehicles, have above-mentioned beneficial effect, details are not described herein.

Description

A kind of double-motor power system and a kind of vehicle
Technical field
The utility model relates to Vehicle Engineering technical field, in particular to a kind of double-motor power system and a kind of vehicle ?.
Background technique
To guarantee that enough power and drive mode mostly use double-motor power system to cope with different road conditions, pass at present The dual motors system structural schematic diagram of system as shown in Figure 1, front motor is connect by clutch with front driving wheel, rear motor by from Clutch is connect with rear drive sprocket, and front and back drive system is mutually incoherent, respectively individually completes respective driving task, this bi-motor Front motor forerunner mode, rear motor rear-guard mode and bi-motor 4 wheel driven mode may be implemented under power system architecture.
Guarantee that front and back driving wheel there are enough power cars to will start 4 wheel driven when the road conditions such as reply climbing or low-lying place The realization of mode, 4 wheel driven mode provides power support by front motor for front driving wheel, and rear motor provides power for rear drive sprocket It supports, bi-motor works at the same time.Although this implementation method can provide powerful power to cope with extreme road conditions, mostly Road conditions are more steady in number situation, even if having hill start or low-lying place, four-driving-force required for vehicle is also far smaller than practical In two motors work at the same time bring four-driving-force, current this double-motor power system model bring is in most cases Only excess drive force, energy loss is big, is unfavorable for the energy-saving and emission-reduction of vehicle entirety.
In addition, the realization of current single drive mode (forerunner or rear-guard) can only be it by the motor being correspondingly connected with Power is provided, i.e. front motor works, and rear motor, which does not work, provides forerunner's mode, and rear motor work, front motor does not work after offer Drive mode.Front and back driving wheel can only receive the power support of single motor offer in this single drive mode, in the limit Enough power can not be provided under operating condition for driving wheel, the ability of getting rid of poverty has certain limitation.
Existing double-motor power system can not provide enough power in the severe limiting condition of reply, relatively rugged Excess drive force when rugged operating condition, loss is big, is not able to satisfy power demand of the driver under different driving cycles.
Therefore, how to meet power demand and economy of the vehicle under different driving cycles simultaneously under dual motors system Demand is those skilled in the art's technical issues that need to address.
Utility model content
The purpose of the utility model is to provide a kind of double-motor power systems, can be realized multiple-working mode, Ke Yigen Different operating modes is used according to different surface conditions and driving cycle selection, realizes dynamic property, handling and economy Take into account, the utility model also provides a kind of vehicle, have above-mentioned beneficial effect, details are not described herein.
In order to solve the above technical problems, the utility model provides a kind of double-motor power system, comprising: front motor driving system System, rear motor driven systems and transmission device;One end of the transmission device is connected with the front motor drive system, another End is connected with the rear motor driven systems;
Front clutch is provided in the front motor drive system, the preceding driving motor in the front motor drive system is defeated Outlet is connected by the front clutch with front driving wheel;
And/or
Rear clutch is provided with after described in motor driven systems, the rear driving motor in the rear motor driven systems is defeated Outlet is connected by the rear clutch with rear drive sprocket.
Optionally, the transmission device specifically: planetary gear train and the idle output for braking the planetary gear train The brake apparatus at end.
Optionally, the brake apparatus is planetary carrier brake, and the sun gear of the planetary gear train and the preceding driving The input terminal of motor is connected, and the gear ring of the planetary gear train is connected with the input terminal of the rear driving motor.
Optionally, the brake apparatus is gear ring brake, and the sun gear of the planetary gear train and the preceding driving are electric The input terminal of machine is connected, and the planet carrier of the planetary gear train is connected with the input terminal of the rear driving motor.
Optionally, the brake apparatus is sun gear brake, and the gear ring of the planetary gear train and the preceding driving are electric The input terminal of machine is connected, and the planet carrier of the planetary gear train is connected with the input terminal of the rear driving motor.
Optionally, the preceding driving motor and the rear driving motor specifically: mixed dynamic drive motor.
Optionally, the transmission device specifically: clutch.
The utility model discloses a kind of vehicle, including the double-motor power system.
Front motor drive system and rear motor driven systems pass through biography in double-motor power system provided by the utility model Dynamic device connection, allows two drive systems to send power to distal end by transmission device, i.e., before driving motor can will Also rear drive sprocket can be sent to while power is sent to front driving wheel, rear driving motor can send power to rear drive sprocket While can also be sent to front driving wheel;By the cooperation control to transmission device and clutch, bi-motor may be implemented not Same operating mode (single drive mode of 4 wheel driven mode, single motor including single motor, single drive mode of bi-motor and bi-motor 4 wheel driven mode) conversion.Wherein, the 4 wheel driven mode, that is, front motor 4 wheel driven and rear motor 4 wheel driven of single motor, the 4 wheel driven of single motor Mode can not only guarantee to provide four-driving-force in relatively rugged road conditions, but also only be driven by single motor, required consuming Energy it is small, can satisfy the economic needs of vehicle.Furthermore it is also possible to realize the single drive mode i.e. bi-motor forerunner of bi-motor with And bi-motor rear-guard drives forerunner or rear-guard simultaneously by two motors, driving wheel can receive when coping with limiting condition It is equivalent to twice of existing system of power, power is more powerful, it is easier to meet the normally travel under limit road conditions, can satisfy The power demand of vehicle.In addition, above-mentioned power system architecture can also realize single drive and the 4 wheel driven of bi-motor of single motor, lead to Above-mentioned power system architecture is crossed, different operating modes can be used according to different surface conditions and driving cycle selection, And then realize dynamic property, handling taking into account with economy.
The utility model also provides a kind of vehicle, has above-mentioned beneficial effect, details are not described herein.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is traditional dual motors system structural schematic diagram;
Fig. 2 is double-motor power system structure diagram provided by the embodiment of the utility model;
Fig. 3 is planetary gear train structural schematic diagram provided by the embodiment of the utility model;
Fig. 4 is that schematic diagram is arranged in rear clutch provided by the embodiment of the utility model;
Fig. 5 is that schematic diagram is arranged in double clutch provided by the embodiment of the utility model;
Fig. 6 is another double-motor power system structure diagram provided by the embodiment of the utility model.
Specific embodiment
The core of the utility model is to provide a kind of double-motor power system, which can meet simultaneously Power demand and economic needs of the vehicle under different driving cycles.The utility model also provides a kind of vehicle, has above-mentioned Beneficial effect, details are not described herein.
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
Traditional dual motors system structure is as shown in Figure 1, equal in drive mode and feedback mode under this kind of structure type Can only realize three kinds of operating modes, for example, drive mode (when driver step on the throttle pedal or under the low speed crawling at present may be used To enter drive mode) when, including three kinds of drive modes of motor driven and pure electric 4 wheel driven after pure electric front motor driving, pure electricity; Also can only at feedback mode (when that can enter feedback mode under the driving cycle of driver's accelerator releasing or brake pedal) Realize three kinds of operating modes: including three kinds of feedback modes of motor feedback and pure electric 4 wheel driven after pure electric front motor feedback, pure electricity.
This double-motor power system can not achieve bi-motor forerunner and bi-motor rear-guard mode, under limiting condition The ability of getting rid of poverty have certain limitation, single motor 4 wheel driven mode can not be realized, it cannot be guaranteed that economy.For disadvantage mentioned above, How different operating modes can be used according to different surface conditions and driving cycle selection, realize dynamic property, manipulation Property and taking into account for economy are particularly important.
Referring to FIG. 2, Fig. 2 is double-motor power system structure diagram provided by the embodiment of the utility model, this pair electricity Motor-driven Force system includes front motor drive system 100, rear motor driven systems 200 and transmission device 300.
Front motor drive system 100 is connect by transmission device 300 with rear motor driven systems 200.
Concrete type of transmission device 300 is not construed as limiting at this, may be implemented power conducting effect, such as can be with For gear, clutch, cam and turbine worm etc..Optionally, transmission device 300 can be clutch.Using clutch as It can guarantee the power conduction that front and back motor driven systems are realized while overall system structure is simple when transmission device.
It wherein, is the alignment for guaranteeing input shaft and output shaft, it is small in size by occupying in the case where receiving load is big Device guarantee conduction efficiency and transmission ratio, improve stability and impact resistance, it is preferable that transmission device is specifically as follows The brake apparatus of planetary gear train and the idle output port for braking planetary gear train.
The structural schematic diagram of planetary gear train is as shown in Fig. 2, include gear ring 401 on the outermost side, the centrally located sun Wheel 402 and the planet carrier 403 between gear ring 401 and sun gear 402.Any two in three ports in planetary gear train Port can be respectively as input terminal and output end, and port in addition is the idle output port of planetary gear train.Work as the sun When wheel and gear ring are respectively as input terminal and output end, planet carrier is idle output port;When gear ring and planet carrier are respectively When input terminal and output end, sun gear is idle output port, and details are not described herein for other situations.
Brake apparatus is used cooperatively with planetary gear train, and brake apparatus is used to brake the idle output port of planetary gear train, that is, is worked as When sun gear and gear ring are respectively as input terminal and output end, brake apparatus is specially planetary carrier brake, passes through planet carrier The control of the power conduction of planetary gear train may be implemented in the braking of brake control planet carrier and locking state;When gear ring and row When carrier is respectively input terminal and output end, brake apparatus is specially sun gear brake, too by the control of sun gear brake The control of the power conduction of planetary gear train may be implemented in the braking of sun wheel and locking state, and details are not described herein for other situations.
Without limitation to the specific connection relationship of planetary gear train and front and back driving motor at this, variant portion in planetary gear train Part and front and back, which are drivingly connected, can be achieved above-mentioned power conduction function.
It optionally, can be the sun gear and preceding driving motor of planetary gear train when brake apparatus is planetary carrier brake Input terminal is connected, and the gear ring of planetary gear train is connected with the input terminal of rear driving motor;Or the gear ring of planetary gear train is with before The input terminal of driving motor is connected, and the sun gear of planetary gear train is connected with the input terminal of rear driving motor.Brake controls planet Frame, which is in locking state, may be implemented conduction of the power of motor between front motor drive system and rear motor driven systems, system The power that dynamic device control planet carrier is in conducted state and can not achieve between the motor driven systems of front and back conducts, and brake passes through control The locked or conduction of planet carrier processed can control the conversion of a variety of working conditions of automobile.
In addition, when double-motor power system is in 4 wheel driven state, it is preceding since the torque of two motor transmitting power is different The speed of rear wheel can be different, can be because of the speed difference of front and back wheel if realizing that simple power transmits using clutch And lead to problems such as tire wear serious.
It is specially the structure of planetary carrier brake for above-mentioned brake apparatus, when generating speed difference between front-wheel, rear-wheel, Preceding driving motor drives sun gear to rotate with First Speed, and rear driving motor drives gear ring to rotate with second speed, then planet carrier It can dally under the driving of the speed difference, thus the problems such as eliminating the speed difference bring abrasion between front-wheel, rear-wheel.System When dynamic device is planetary carrier brake, sun gear can be connect with preceding driving motor, and sun gear can also connect with rear driving motor It connects.Above two structure may be implemented to adjust front and back wheel speed difference, reduce abrasion, the strong effect of stability.
It optionally, can be the defeated of sun gear and the preceding driving motor of planetary gear train when brake apparatus is gear ring brake Enter end to be connected, the planet carrier of planetary gear train is connected with the input terminal of rear driving motor;Or planetary gear train planet carrier with The input terminal of preceding driving motor is connected, and the sun gear of planetary gear train is connected with the input terminal of rear driving motor, and brake passes through control The locked or conduction of gear ring processed can control the conversion of a variety of working conditions of automobile.
It optionally, can be the defeated of gear ring and the preceding driving motor of planetary gear train when brake apparatus is sun gear brake Enter end to be connected, the planet carrier of planetary gear train is connected with the input terminal of rear driving motor;Or planetary gear train planet carrier with The input terminal of preceding driving motor is connected, and the gear ring of planetary gear train is connected with the input terminal of rear driving motor, and brake passes through control The locked or conduction of sun gear can control the conversion of a variety of working conditions of automobile.
Different speed ratios may be implemented in the different connection type of planetary gear train, can according to need voluntarily selection and specifically connects Connect mode.
The connection type of planetary gear train and front and back motor driven systems without limitation, the selection of brake apparatus concrete type with The connection type of planetary gear train is related, therefore also without limitation to the concrete type of planetary gear train brake apparatus.
It is not limited here, clutch can be one for the quantity of clutch and position setting in double-motor power system, It may be two.
When clutch is one, clutch is specifically as follows front clutch or rear clutch, that is, is set to front motor In drive system or in rear motor driven systems.Assembly may be implemented simply in single clutch, reduces failure.
Specifically, when clutch is front clutch, front motor drive system 100 may include preceding driving motor 101 with And front clutch 103, rear motor driven systems include rear driving motor 201.The set-up mode of front clutch 103 can refer to Fig. 2, The input terminal of front clutch is connect with the output end of preceding driving motor, and the output end of front clutch is connect with front driving wheel.It is preceding from Front motor forerunner, front motor rear-guard, rear motor rear-guard, bi-motor rear-guard, rear motor may be implemented in clutch and transmission device cooperation Seven kinds of 4 wheel driven, front motor 4 wheel driven and bi-motor 4 wheel driven modes.
When clutch is rear clutch, front motor drive system may include preceding driving motor 101, rear motor driven system System includes rear driving motor 201 and rear clutch 203.The set-up mode of clutch 203 can refer to Fig. 4 afterwards, and Fig. 4 show one Schematic diagram is arranged in clutch after kind, and the input terminal of rear clutch is connect with the output end of rear driving motor, the output of rear clutch End is connect with rear drive sprocket.After front motor forerunner, rear motor forerunner, rear motor may be implemented in clutch and transmission device cooperation afterwards Seven kinds of drive, bi-motor forerunner, rear motor 4 wheel driven, front motor 4 wheel driven and bi-motor 4 wheel driven modes.
When clutch is two, i.e., be respectively set a clutch in the motor driven systems of front and back, front clutch 110 with The set-up mode of clutch 210 can refer to Fig. 5 afterwards, and Fig. 5 show a kind of double clutch setting schematic diagram, the input of front clutch End is connect with the output end of preceding driving motor, and the output end of front clutch is connect with front driving wheel;Afterwards the input terminal of clutch with The output end connection of driving motor, the output end of rear clutch are connect with rear drive sprocket afterwards.Former and later two clutches and transmission fill It sets after front motor forerunner, front motor rear-guard, rear motor forerunner, rear motor rear-guard, bi-motor forerunner, bi-motor may be implemented in cooperation Drive, rear motor 4 wheel driven, front motor 4 wheel driven and nine kinds of modes of bi-motor 4 wheel driven.
Due to transmission device can serve as clutch as front and back motor driven systems power conduct, for save at This, a clutch can only be assembled when the operating mode of dynamical system is of less demanding by reducing system structure complexity.I.e. When transmission device is used as the power conduction in front drive system, clutch can not be assembled in front motor drive system, only A clutch is assembled in rear drive system;When transmission device is used as the power conduction in rear drive system, rear Clutch can not be assembled in motor driven systems, and a clutch is only assembled in front drive system.The number of clutch Amount and position setting difference can generate different driving mode types, can according to need voluntarily select clutch quantity with And position.
Achieved operating mode is specifically introduced with the structure type of total system shown in Fig. 2 herein, is wrapped Include drive mode and feedback mode.Wherein, before pure electric front motor forerunner operating mode, pure electricity may be implemented at any driving condition Motor rear-guard operating mode, pure electric bi-motor rear-guard operating mode, pure electric bi-motor 4 wheel driven after motor rear-guard operating mode, pure electricity Motor 4 wheel driven operating mode and pure electric front motor 4 wheel driven operating mode after operating mode, pure electricity.
Wherein, the realization of above-mentioned operating mode specifically:
Pure electricity front motor forerunner's operating mode, preceding driving motor driven, rear driving motor do not work, and clutch combines, and passes Dynamic device transmission, preceding driving motor transfers power to front driving wheel by clutch at this time;
Pure electricity front motor rear-guard operating mode, preceding driving motor driven, rear driving motor do not work, and clutch is opened, and is passed Dynamic device is locked, and preceding driving motor transfers power to rear drive sprocket by transmission device at this time;
Motor rear-guard operating mode after pure electricity, preceding driving motor do not work, and drive motor driven afterwards, clutch is opened or knot It closes, drive, rear driving motor transfers power to rear drive sprocket by transmission device at this time;
Pure electricity bi-motor rear-guard operating mode, preceding driving motor driven drive motor driven afterwards, and clutch is opened, transmission Device is locked, and preceding driving motor transfers power to rear drive sprocket by transmission device with rear driving motor at this time;
Pure electricity front motor 4 wheel driven operating mode, preceding driving motor driven, rear driving motor do not work, and clutch combines, and passes Dynamic device is locked, and preceding driving motor transfers power to front driving wheel and rear drive sprocket by clutch and transmission device at this time;
Motor 4 wheel driven operating mode after pure electricity, preceding driving motor do not work, and drive motor driven afterwards, and clutch combines, and pass Dynamic device is locked, and rear driving motor transfers power to front driving wheel and rear drive sprocket by clutch and transmission device at this time;
Pure electricity bi-motor 4 wheel driven operating mode, preceding driving motor driven drive motor driven afterwards, and clutch combines, transmission Device is locked, and preceding driving motor and rear driving motor lead to clutch at this time and transmission device transfers power to front driving wheel with after Driving wheel;
It is similar with above-mentioned braking mode, under feedback mode, it is double that pure electric front motor rear-guard feedback mode, pure electricity may be implemented Motor 4 wheel driven feedback mode and pure electric front motor after motor rear-guard feedback mode, pure electric bi-motor 4 wheel driven feedback mode, pure electricity 4 wheel driven feedback mode, details are not described herein for specific implementation process.
In addition, being specifically situated between with the structure type of total system shown in fig. 5 to achieved operating mode herein It continues, including drive mode and feedback mode.Wherein, may be implemented at any driving condition pure electric front motor forerunner operating mode, Motor rear-guard operating mode, pure electricity are double electric after motor forerunner operating mode, pure electricity after pure electric front motor rear-guard operating mode, pure electricity Motor 4 wheel driven work after machine rear-guard operating mode, pure electric bi-motor forerunner operating mode, pure electric bi-motor 4 wheel driven operating mode, pure electricity Operation mode and pure electric front motor 4 wheel driven operating mode.
Wherein, the realization of above-mentioned operating mode is specifically as follows:
Pure electricity front motor forerunner's operating mode, preceding driving motor driven, rear driving motor do not work, and clutch 110 combines, Clutch 210 is combined or is opened, and transmission device 300 is driven, before preceding driving motor is transferred power to by clutch 110 at this time Driving wheel;
Pure electricity front motor rear-guard operating mode, preceding driving motor driven, rear driving motor do not work, and clutch 110 is opened, Clutch 210 combines, the transmission of transmission device 300 or locked, after preceding driving motor is transferred power to by transmission device at this time Driving wheel;
Motor forerunner's operating mode after pure electricity, preceding driving motor do not work, and drive motor driven afterwards, and clutch 110 combines, Clutch 210 is opened, and transmission device 300 is locked, and rear driving motor transfers power to front driving wheel by transmission device at this time;
Motor rear-guard operating mode after pure electricity, preceding driving motor do not work, and drive motor driven afterwards, and clutch 110 combines, Clutch 210 is opened, and transmission device 300 is locked, and preceding driving motor transfers power to rear drive sprocket by transmission device at this time;
Pure electricity bi-motor rear-guard operating mode, preceding driving motor driven drive motor driven afterwards, and clutch 110 is opened, from Clutch 210 combines, and transmission device 300 is locked, and preceding driving motor and rear driving motor pass through transmission device and clutch at this time 210 transfer power to rear drive sprocket;
Pure electricity bi-motor forerunner's operating mode, preceding driving motor driven drive motor driven afterwards, and clutch 210 is opened, from Clutch 110 combines, and transmission device 300 is locked, and preceding driving motor and rear driving motor pass through transmission device and clutch at this time 110 transfer power to front driving wheel;
Pure electricity front motor 4 wheel driven operating mode, preceding driving motor driven, rear driving motor do not work, and clutch 110 combines, Clutch 210 combines, and transmission device 300 is locked, and preceding driving motor is transferred power to by clutch and transmission device at this time Front driving wheel and rear drive sprocket;
Motor 4 wheel driven operating mode after pure electricity, preceding driving motor do not work, and drive motor driven afterwards, and clutch 110 combines, Clutch 210 combines, and transmission device 300 is locked, and rear driving motor is transferred power to by clutch and transmission device at this time Front driving wheel and rear drive sprocket;
Pure electricity bi-motor 4 wheel driven operating mode, preceding driving motor driven drive motor driven afterwards, and clutch combines 110 knots It closes, clutch 210 combines, and transmission device 300 is locked, and preceding driving motor and rear driving motor lead to clutch and transmission device at this time Transfer power to front driving wheel and rear drive sprocket.
Current motor failure, which may be implemented, in front motor rear-guard and rear motor forerunner mode cannot achieve forerunner or rear electricity When machine failure cannot achieve rear-guard, the normal use of single motor forerunner or rear-guard.
Twice of power of single driven wheel may be implemented in bi-motor forerunner and bi-motor rear-guard mode, meets power demand.
Single motor 4 wheel driven mode both can satisfy the power demand of 4 wheel driven, and only single motor work reduces energy consumption and can expire again Sufficient economic needs.
Similar with above-mentioned braking mode, details are not described herein for the specific implementation process under feedback mode.
The device type and quantity that include in motor driven systems of front and back are not construed as limiting at this, for example can also include poor The devices such as fast device, universal joint can according to need selection device and be assembled.
It is described in detail for the course of work to whole double-motor power system, herein with whole system shown in fig. 6 It is introduced for system, including preceding driving motor 101, rear driving motor 201, front clutch 103, front driving wheel 102, rear driving Wheel 202, planetary gear train 300, planetary carrier brake 206, preceding universal joint 104, rear universal joint 204, front differential mechanism 105 and rear poor Fast device 205.
The one end preceding driving motor MG1 is connected with the sun gear of planetary gear train, and the other end is connected with clutch input;Clutch Device output end is connected with forerunner's universal joint, and the output of forerunner's universal joint is connected with forerunner's differential mechanism, forerunner's differential mechanism and front driving wheel It is connected.The one end driving motor MG2 is connected with the gear ring of planetary gear train afterwards, and the other end is connected with rear-guard universal joint, rear-guard universal joint Output is connected with rear-guard differential mechanism, and rear-guard differential mechanism is connected with rear drive sprocket, the planet carrier of planetary carrier brake and planetary gear train It is connected.
The driving operating mode that may be implemented includes:
EVF1: pure electricity front motor forerunner's operating mode, preceding driving motor MG1 driving, rear driving motor MG2 do not work, from Clutch combines, and planetary carrier brake is opened, and driving force is transmitted to preceding driving by clutch and forerunner's universal joint by MG1 at this time Wheel.
EVR1: pure electricity front motor rear-guard operating mode, preceding driving motor MG1 driving, rear driving motor MG2 do not work, from Clutch is opened, and planetary carrier brake braking, MG1 transfers power to rear drive sprocket by planetary gear train at this time;Pure electricity front motor The rear-guard driving mode when rear electrical fault cannot achieve driving condition may be implemented in rear-guard operating mode.
EVR2: motor rear-guard operating mode after pure electricity, preceding driving motor MG1 do not work, rear driving motor MG2 driving, from Clutch is opened, and planetary carrier brake braking, MG2 transfers power to rear drive sprocket by planetary gear train at this time.
EVR3: pure electricity bi-motor rear-guard operating mode, preceding driving motor MG1 driving, rear driving motor MG2 driving, clutch Device is opened, and planetary carrier brake braking, MG1 and MG2 transfers power to rear drive sprocket by planetary gear train at this time;The pure double electricity of electricity Rear drive sprocket can receive the power of two motors simultaneously in machine rear-guard operating mode, and it is enough to guarantee that rear drive sprocket can have Power is to cope with limiting condition.
EVA1: pure electricity front motor 4 wheel driven operating mode, preceding driving motor MG1 driving, rear driving motor MG2 do not work, from Clutch combines, and planetary carrier brake is opened, and MG1 transfers power to front driving wheel with after by clutch and planetary gear train at this time Driving wheel.
EVA2: motor 4 wheel driven operating mode after pure electricity, preceding driving motor MG1 do not work, rear driving motor MG2 driving, from Clutch combines, and planetary carrier brake is opened, and MG2 transfers power to front driving wheel with after by clutch and planetary gear train at this time Driving wheel;After pure electricity front motor 4 wheel driven operating mode and pure electricity motor 4 wheel driven operating mode may be implemented in lesser hill start or The power of the needs such as the lesser low-lying place of person is smaller, but the state for needing front and back driving wheel to drive simultaneously, the 4 wheel driven mould of single motor Formula can not only guarantee to provide four-driving-force in relatively rugged road conditions, but also only be driven by single motor, required consuming Energy is small, while meeting the power demand and economic needs of vehicle.
EVA3: pure electricity bi-motor 4 wheel driven operating mode, preceding driving motor MG1 driving, rear driving motor MG2 driving, clutch Device combines, and planetary carrier brake is opened, and MG1 and MG2, which leads to clutch and crosses planetary gear train, at this time transfers power to front driving wheel With rear drive sprocket.
The feedback operating mode that may be implemented includes:
RGF1: pure electricity front motor forerunner's feedback mode, preceding driving motor MG1 feedback, rear driving motor MG2 do not work, from Clutch combines, and planetary carrier brake is opened, and MG1 passes through clutch and forerunner's universal joint for the braking FORCE FEEDBACK of front driving wheel at this time To power battery.
RGR1: pure electricity front motor rear-guard feedback mode, preceding driving motor MG1 feedback, rear driving motor MG2 do not work, from Clutch is opened, and planetary carrier brake braking, MG1 passes through clutch and rear-guard universal joint for the braking FORCE FEEDBACK of rear drive sprocket at this time To power battery.
RGR2: motor rear-guard feedback mode after pure electricity, preceding driving motor MG1 do not work, rear driving motor MG2 feedback, from Clutch is opened, planetary carrier brake braking, and MG2 is returned the brake force of rear drive sprocket by planetary gear train and rear-guard universal joint at this time It is fed to power battery.
RGR3: pure electricity bi-motor rear-guard feedback mode, preceding driving motor MG1 feedback, rear driving motor MG2 feedback, clutch Device is opened, and planetary carrier brake braking, MG1 and MG2 electricity pass through planetary gear train and rear-guard universal joint for the system of rear drive sprocket at this time Dynamic feedbacks are to power battery.
RGA1: pure electricity front motor 4 wheel driven feedback mode, preceding driving motor MG1 feedback, rear driving motor MG2 do not work, from Clutch combines, and planetary carrier brake is opened, and MG1 passes through clutch and planetary gear train for the system of front driving wheel and rear drive sprocket at this time Dynamic feedbacks are to power battery.
RGA2: motor 4 wheel driven feedback mode after pure electricity, preceding driving motor MG1 do not work, rear driving motor MG2 feedback, from Clutch combines, and planetary carrier brake is opened, and MG2 passes through clutch and planetary gear train for the system of front driving wheel and rear drive sprocket at this time Dynamic feedbacks are to power battery.
RGA3: pure electricity bi-motor 4 wheel driven feedback mode, preceding driving motor MG1 feedback, rear driving motor MG2 feedback, clutch Device combines, and planetary carrier brake is opened, and MG1 and MG2 lead to clutch and planetary gear train for front driving wheel and rear drive sprocket at this time Brake force feeds back to power battery.
Based on the above-mentioned technical proposal, front and back motor driven systems pass through in double-motor power system provided by the utility model Transmission device connection, allow two systems by transmission device send power to distal end, by transmission device and from The cooperation of clutch controls, and bi-motor different working modes may be implemented, and (the single of 4 wheel driven mode, single motor including single motor drives mould Formula, single drive mode of bi-motor and the 4 wheel driven mode of bi-motor) conversion.System can be selected according to different driving cycles Different operating modes adjusts the operating point of front and back driving motor, drives front and back by switching different operating modes in traveling Dynamic motor always works at efficient region, reduces power consumption, with the driving performance being optimal.
The concrete type of front and back driving motor is not construed as limiting in the utility model, to lower energy consumption, reduces discharge.It is preferred that Ground, preceding driving motor and rear driving motor are specifically as follows mixed dynamic drive motor.
It should be noted that connection among the above is not limited to be directly connected to or to be indirectly connected with, it can be according to reality Border situation is selected.
Include above-mentioned double-motor power system in vehicle the invention also discloses a kind of vehicle, passes through above-mentioned double electricity Motor-driven power-driven system provides power support for vehicle.The mounting means of specific double-motor power system in the car can refer to The mounting means of dynamical system in the car in the prior art, details are not described herein.
Double-motor power driving system provided by the utility model and vehicle are described in detail above.Herein In apply specific case the principles of the present invention and embodiment be expounded, the explanation of above embodiments is only used The method and its core concept of the utility model are understood in help.It should be pointed out that for those skilled in the art For, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these Improvement and modification are also fallen into the protection scope of the utility model claims.

Claims (8)

1. a kind of double-motor power system characterized by comprising front motor drive system, rear motor driven systems and biography Dynamic device;One end of the transmission device is connected with the front motor drive system, the other end and the rear motor driven systems It is connected;
Front clutch, the preceding driving motor output end in the front motor drive system are provided in the front motor drive system It is connected by the front clutch with front driving wheel;
And/or
Rear clutch, the rear driving motor output end in the rear motor driven systems are provided with after described in motor driven systems It is connected by the rear clutch with rear drive sprocket.
2. double-motor power system according to claim 1, which is characterized in that the transmission device specifically: planetary gear The brake apparatus of system and the idle output port for braking the planetary gear train.
3. double-motor power system according to claim 2, which is characterized in that the brake apparatus is planet carrier braking Device, and the sun gear of the planetary gear train is connected with the input terminal of the preceding driving motor, the gear ring of the planetary gear train and institute The input terminal for stating rear driving motor is connected.
4. double-motor power system according to claim 2, which is characterized in that the brake apparatus is gear ring brake, And the sun gear of the planetary gear train is connected with the input terminal of the preceding driving motor, the planet carrier of the planetary gear train with it is described The input terminal of driving motor is connected afterwards.
5. double-motor power system according to claim 2, which is characterized in that the brake apparatus is sun gear braking Device, and the gear ring of the planetary gear train is connected with the input terminal of the preceding driving motor, the planet carrier of the planetary gear train and institute The input terminal for stating rear driving motor is connected.
6. double-motor power system according to claim 1, which is characterized in that the preceding driving motor and the rear-guard Dynamic motor specifically: mixed dynamic drive motor.
7. double-motor power system according to claim 1, which is characterized in that the transmission device specifically: clutch.
8. a kind of vehicle, which is characterized in that including the described in any item double-motor power systems of such as claim 1-7.
CN201820845971.XU 2018-06-01 2018-06-01 A kind of double-motor power system and a kind of vehicle Active CN208576415U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110843492A (en) * 2019-11-27 2020-02-28 洛阳智能农业装备研究院有限公司 Tractor power confluence reposition of redundant personnel transmission system based on bi-motor configuration
CN113619375A (en) * 2021-09-02 2021-11-09 上海光引科技有限公司 Four-wheel drive driving system of electric automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110843492A (en) * 2019-11-27 2020-02-28 洛阳智能农业装备研究院有限公司 Tractor power confluence reposition of redundant personnel transmission system based on bi-motor configuration
CN113619375A (en) * 2021-09-02 2021-11-09 上海光引科技有限公司 Four-wheel drive driving system of electric automobile

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Denomination of utility model: Dual motor power system and vehicle

Effective date of registration: 20211213

Granted publication date: 20190305

Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd.

Pledgor: Borgward Automotive (China) Co., Ltd.

Registration number: Y2021990001167

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Date of cancellation: 20231201

Granted publication date: 20190305

Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd.

Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd.

Registration number: Y2021990001167

PC01 Cancellation of the registration of the contract for pledge of patent right