CN209511048U - The modular integrated dynamical system of electric car - Google Patents

Abstract

The modular integrated dynamical system of a kind of electric car provided by the utility model, including shell, driving motor, controller, wheel hub, rotatable support in the shell and the first jackshaft and the second jackshaft that are parallel to each other；Power is transferred to first jackshaft by metal band type stepless speed variator by the output shaft of the driving motor；First jackshaft is transferred to the second jackshaft by reduction gearing adjutant's power；Second jackshaft is transferred to the wheel shaft for being fixed on the wheel hub by the different at least two groups power shift gear adjutant's power of transmission ratio；Synchronizer is equipped between power shift gear pair described in two adjacent groups；This system can either realize variable speed, and motor is made to always work in the operation interval of greater efficiency, to save traveling energy consumption, while can greatly improve the transmission ratio of vehicle drive system in vehicle driving up again.

Description

The modular integrated dynamical system of electric car

Technical field

The utility model relates to a kind of power system of electric automobile more particularly to a kind of modular integrated dynamical systems of electric car System.

Background technique

With the high speed development of science and technology, energy-saving and environment-friendly requirement is also increasingly improved, electric vehicle is as cleaning energy Driving source locomotive obtains relatively broad application；Especially in two-wheeled, tricycle field, application is more increasing.

In the prior art, two grades more of use of electric three-wheel, two-wheeled motor vehicle or more gear structure driven structures, mainly In order to solve the disadvantage of common hub motor climbing capacity difference, by manually controlling or two grades of fluid drive and multi gear speed reducer Structure, Lai Zengjia output torque achieve the purpose that increase climbing capacity.For the cruising ability for further increasing vehicle, existing minority Power is also transmitted using stepless transmission in electric vehicle, when the transmission ratio variation range of existing stepless transmission is limited, for The biggish road conditions of the running resistances such as abrupt slope, existing stepless transmission can not provide enough driving forces still for vehicle.

Therefore, it is necessary to one kind can either realize variable speed, and motor is made to always work in the operation interval of greater efficiency, from And traveling energy consumption is saved, increase mileages of continuation, while vehicle can be greatly improved under the big resistance road conditions such as vehicle driving up again The modular integrated dynamical system of the electric car of the transmission ratio of transmission system.

Summary of the invention

In view of this, the present invention provides one kind can either realize variable speed, always work in motor higher The operation interval of efficiency increases mileages of continuation to save traveling energy consumption, while again can be on the big resistance road such as vehicle driving up The modular integrated dynamical system of electric car of the transmission ratio of vehicle drive system is greatly improved under condition.

The modular integrated dynamical system of a kind of electric car provided by the utility model, including shell, driving motor, control Device, wheel hub, rotatable support are in the shell and the first jackshaft and the second jackshaft that are parallel to each other；The driving motor Output shaft power is transferred to by first jackshaft by metal band type stepless speed variator；First jackshaft is by subtracting Power is transferred to the second jackshaft by fast gear pair；Second jackshaft passes through the different at least two groups shift tooth of transmission ratio Wheel adjutant's power is transferred to the wheel shaft for being fixed on the wheel hub；Synchronizer is equipped between power shift gear pair described in two adjacent groups；

Further, the power shift gear pair is two groups, and is respectively fast gear gear pair and slow gear gear pair；

Further, the driving gear of the fast gear gear pair and slow gear gear pair, which is driven, is matched among described second Axis, the fast driven gear for keeping off gear pair and keeping off gear pair slowly are rotatably matched with the wheel shaft；The synchronizer is with axial cunning The dynamic mode being circumferentially driven is matched with the wheel shaft；

Further, the axle block for wheel shaft described in rotatable support is formed in the shell；The wheel shaft passes through axis Rotatable support is held in axle block；

Further, the driving gear of the fast gear gear pair as the speed reducing gear pair driven gear and be fixed on the The driving gear of the speed reducing gear pair of one jackshaft engages.

The utility model has the beneficial effects that the modular integrated dynamical system of the electric car of the utility model, motor are defeated Power is transmitted using existing steel band type stepless transmission between shaft and the first jackshaft, the second jackshaft and vehicle axles it Between power transmitted using step type gear, stepless transmission can make motor begin according to running resistance adjust automatically reduction ratio Work increases mileages of continuation to save traveling energy consumption in the operation interval of greater efficiency eventually；Raising is ridden comfortable Property, and vehicle go up a slope etc. high-drags road conditions when driving, the maximum transmission ratio of stepless transmission is still unable to satisfy vehicle power When demand, using the driving synchronizer movement of existing shifting fork gear-shifting mechanism, make to select high pass between the second jackshaft and wheel shaft The power shift gear auxiliary driving of dynamic ratio, to improve the power performance of vehicle.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the transmission schematic diagram between the second jackshaft and wheel shaft；

Fig. 3 is drive path figure when synchronizer moves to left；

Fig. 4 is drive path figure when synchronizer moves to right.

Specific embodiment

Fig. 1 is the structural schematic diagram of the utility model, as shown, the electric car of the utility model is modular integrated dynamic Force system in the shell 6 and is parallel to each other including shell 6, driving motor 1, controller, wheel hub 11, rotatable support First jackshaft 4 and the second jackshaft 5；The output shaft 2 of the driving motor 1 is passed power by metal band type stepless speed variator It is handed to first jackshaft 4；Power is transferred to the second jackshaft 5 by speed reducing gear pair 12 by first jackshaft 4； Second jackshaft 5 is transferred to by the different at least two groups power shift gear adjutant's power of transmission ratio is fixed on the wheel hub Wheel shaft 10；Synchronizer is equipped between power shift gear pair described in two adjacent groups；Between motor output shaft 2 and the first jackshaft 4 Power is transmitted using existing steel band type stepless transmission 3, step type speed change is used between the second jackshaft 5 and vehicle axles 10 Mechanism transmits power, and stepless transmission can make motor 1 always work in greater efficiency according to running resistance adjust automatically reduction ratio Operation interval increase mileages of continuation to save traveling energy consumption；The comfort ridden is improved, and vehicle is in upward slope etc. High-drag road conditions when driving, when the maximum transmission ratio of stepless transmission is still unable to satisfy vehicle power demand, using existing Shifting fork gear-shifting mechanism driving synchronizer movement, make between the second jackshaft 5 and wheel shaft 10 select high transmission ratio power shift gear Auxiliary driving, to improve the power performance of vehicle.

Controller in the present embodiment can use Publication No.: a kind of closed-loop disclosed in the patent of 104859485B The controller for electric vehicle of control comprising anti-tampering data exchange submodule, sense signals module, motor performance parameter feedback Module and motor driven submodule；The anti-tampering data exchange submodule is connected with external equipment, for according to different motors The control program of model online updating motor driven submodule and to motor driven submodule send configuration the parameter of electric machine；The biography Sensor submodule passes through the load-carrying parameter and load conditions of sensor detected vehicle, and the data that will test are sent to motor drive Mover module；The sensor is load measuring sensor and acceleration transducer；The motor performance parameter feedback submodule is used for The operating parameter of motor is sent to the motor driven submodule；The motor driven submodule is used for according to anti-tampering data It exchanges the parameter of electric machine that submodule is sent and configures the parameter of electric machine, or submodule is fed back according to sense signals module and motor performance parameter Data and parameter the output control signal control motor work that block is sent.

In the present embodiment, the power shift gear pair is two groups, and is respectively fast gear gear pair 9 and slow gear gear pair 7；Work as electricity Motor-car normal road surface and normal slope when driving, be driven using fast gear gear pair 9, when vehicle is in non-paved road or big The gradient when driving, is driven, to improve the dynamic property of vehicle using slow gear gear pair 7.

In the present embodiment, the driving gear of the fast gear gear pair 9 and slow gear gear pair 7, which is driven, is matched with described second Jackshaft 5, the fast driven gear for keeping off gear pair 9 and keeping off gear pair 7 slowly are rotatably matched with the wheel shaft 10；The synchronizer The wheel shaft 10 is matched in a manner of sliding axially and circumferentially be driven.

In the present embodiment, the axle block 8 for wheel shaft 10 described in rotatable support is formed in the shell 6；The wheel Axis 10 in axle block 8, in existing electric vehicle, needs that wheel shaft is individually fixedly mounted on vehicle frame by bearing rotatable support Axle block 8 is directly arranged in the shell 6 of speed changer in the present embodiment, can be further simplified the structure of vehicle by seat 8.

In the present embodiment, it is described it is fast gear gear pair 9 driving gear as the speed reducing gear pair 12 driven gear with It is fixed on the driving gear engagement of the speed reducing gear pair 12 of the first jackshaft 4, this arrangement makes speed reducing gear pair 12 Driving gear of the driven gear simultaneously as fast gear gear pair 9 uses, reduces the amount of parts of this system, reduction manufacture at This.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application,

Although the utility model is described in detail referring to preferred embodiment, those skilled in the art should Understand, it can be with the technical solution of the present invention is modified or equivalently replaced, without departing from the utility model technical side The objective and range of case, should all cover in the scope of the claims of the utility model.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of modular integrated dynamical system of electric car, it is characterised in that: including shell, driving motor, controller, wheel Hub, rotatable support are in the shell and the first jackshaft and the second jackshaft that are parallel to each other；The driving motor it is defeated Power is transferred to first jackshaft by metal band type stepless speed variator by shaft；First jackshaft passes through reducing gear Wheel adjutant's power is transferred to the second jackshaft；Second jackshaft passes through the different at least two groups power shift gear pair of transmission ratio Power is transferred to the wheel shaft for being fixed on the wheel hub；Synchronizer is equipped between power shift gear pair described in two adjacent groups.

2. the modular integrated dynamical system of electric car according to claim 1, it is characterised in that: the power shift gear pair is Two groups, and be respectively fast gear gear pair and slow gear gear pair.

3. the modular integrated dynamical system of electric car according to claim 2, it is characterised in that: the fast gear gear pair and The driving gear of slow gear gear pair, which is driven, is matched with second jackshaft, the fast driven tooth for keeping off gear pair and slow gear gear pair Wheel is rotatably matched with the wheel shaft；The synchronizer is matched with the wheel shaft in a manner of sliding axially and circumferentially be driven.

4. the modular integrated dynamical system of electric car according to claim 3, it is characterised in that: be formed in the shell Axle block for wheel shaft described in rotatable support；The wheel shaft is by bearing rotatable support in axle block.

5. the modular integrated dynamical system of electric car according to claim 4, it is characterised in that: the fast gear gear pair Driving gear of the driving gear as the driven gear and the speed reducing gear pair for being fixed on the first jackshaft of the speed reducing gear pair Engagement.