CN202319855U

CN202319855U - Double-motor power driving system for electric automobile

Info

Publication number: CN202319855U
Application number: CN201120435589XU
Authority: CN
Inventors: 张永
Original assignee: SUZHOU RUIJIA NEW ENERGY POWER TECHNOLOGY Co Ltd
Current assignee: SUZHOU RUIJIA NEW ENERGY POWER TECHNOLOGY Co Ltd
Priority date: 2011-11-07
Filing date: 2011-11-07
Publication date: 2012-07-11
Anticipated expiration: 2021-11-07

Abstract

The utility model relates to a double-motor power driving system for an electric automobile. The driving system comprises a first driving motor, a first storage battery group opposite to the first driving motor, a second driving motor, a second storage battery group opposite to the second driving motor, an intelligent circuit controller and two centrifugal one-way automatic clutches, wherein the first driving motor and the second driving motor are parallelly arranged in the driving system in a connected mode; the two centrifugal one-way automatic clutches are respectively connected with the power output ends of the first driving motor and the second driving motor, are parallelly arranged, and are connected to the input ends of an electromechanical coupling gearbox through splined shafts; and the output end of the electromechanical coupling gearbox is connected with a transmission shaft of the automobile. The driving system can effectively solve the problem that the automobile is underpowered under the conditions of starting, overtaking, ascending, passing ditches and the like, and the underpowered motor in a double-motor group can be switched when the automobile dynamically moves forwards.

Description

A kind of electronlmobil double-motor power-driven system

Technical field

The utility model relates to a kind of drive arrangement of electronlmobil, relates to a kind of electronlmobil double-motor power-driven system especially.

Background technology

Now, because the exhausted day by day serious environmental pollution that is brought with motor vehicle exhaust emission of oil resources, exploitation has promoted the great state basic policy into country with the development new-energy automobile, is a long-term strategic objective.It is human bad according to living environment that the development new-energy automobile reduces the consumption of petroleum resources protection.Very urgent.

At present; The ubiquitous problem of pure electric automobile both domestic and external is: under power; Race is not hurried up not far; Vehicle can't be in dynamically going voluntarily charging replenish the energy, and therefore cause pure electric automobile be compelled stagnation of movement because of electrical source of power is not enough, be badly in need of fixedly filling electrical changing station simultaneously and accomplish the electric problems such as loaded down with trivial details operation of changing of filling by ground.In addition, because pure electric automobile need rely on the fixedly additional power source of battery-charging station of ground usually, thereby causes pure electric automobile in use to exist great limitation, directly have influence on the extensively universal and user's of pure electric automobile favor.

The utility model content

In order to solve above-mentioned technical matters; The utility model provides a kind of electronlmobil double-motor power-driven system; Comprise first drive motor and cooresponding first battery pack, second drive motor and cooresponding second battery pack; Wherein first drive motor and second drive motor are conjuncted in this drive system arranges side by side; This drive system also comprises intelligent circuit controller and two centrifugal unidirectional self-acting clutchs that are arranged in juxtaposition that are connected with the clutch end of first drive motor and second drive motor respectively; Said two centrifugal unidirectional self-acting clutchs are connected to the input end of electromechanical coupling change speed gear box jointly through castellated shaft, and the mouth of electromechanical coupling change speed gear box is connected with vehicular transmission shaft.

The utility model is through adopting the propulsion source of double-motor as car load; And control the light locomotive running pattern of switching mutually between parallel operation operational mode and two drive motor of double-motor by the vehicle intelligent circuit control system; Utilize common lead plumbate maintenance-free battery or the ferric phosphate lithium cell of low voltage power source simultaneously as drive motor; Thereby overcome because of the starting initial velocity that low voltage produced of drive motor is low the problem that moment of torsion is not enough.

This drive system can effectively overcome vehicle start to walk, overtake other vehicles, go up a slope, the problem of under power under the situation such as ditch power more; Can, vehicle dynamic switch in advancing simultaneously the not enough unit of double-motor group medium power; The not enough unit of the power supply of replacing provides intelligent fast charge by low moment of torsion efficient power generation unit of vehicle-mounted horizontal vane gentle breeze and vehicle-mounted energy feedback electrical generator, keeps subsequent use switching.Thus, continual propulsion source can be provided, with the work-hours that prolongs the drive motor group incessantly and greatly improve vehicle continuation of the journey mileage for the vehicle that dynamically goes to switching repeatedly of two drive motor.

This drive system efficiently solves the dynamic vehicle-mounted charging voluntarily of pure electric automobile; Reduce pure electric automobile and be compelled stagnation of movement because of electrical source of power is not enough; Urgent need is carried out ground and is fixedly filled the loaded down with trivial details operation of changing electricity; Broken the mode of operation of present pure electric automobile simple " battery+motor+charging pile " in fact; Solved the ubiquitous under power of pure electric automobile simultaneously, travelled distance is short, vehicle fills that to change the frequent operation of electricity loaded down with trivial details, too rely on the ground fixed mode fill change power supply, can't be vehicle-mounted the problems such as limitation and popularity rate of the dynamically self charging institute pure electric automobile that causes use.

Description of drawings

Accompanying drawing 1 is the structural representation of a kind of electronlmobil double-motor power-driven system of the utility model.

The specific embodiment

With reference to figure 1; The utility model provides a kind of electronlmobil double-motor power-driven system; Comprise first drive motor 1 and cooresponding first battery pack 3, second drive motor 2 and cooresponding second battery pack 4; Wherein first drive motor 1 and second drive motor 2 are conjuncted in drive system arranges that side by side wherein battery pack 3,4 can adopt the lead plumbate maintenance-free battery or the iron lithium phosphate battery of low voltage (48-60V).

This drive system comprises two centrifugal unidirectional self-acting clutchs 5 that are connected with the front end power take-off shaft of first drive motor 1 and second drive motor 2 respectively; Two centrifugal unidirectional self-acting clutchs 5 are connected to the input end of electromechanical coupling change speed gear box 6 jointly through castellated shaft; The mouth of electromechanical coupling change speed gear box 6 is connected with vehicular transmission shaft 7; Like this, the power of two drive motor, 1,2 common outputs can pass through the flower keyboard junction that exports transmission shaft 7 after coupling and the speed change of electromechanical coupling change speed gear box 6 to.

In this drive system, also being equipped with can be to 3, the 4 electrically-charged vehicle-mounted quick charger 8 of two battery packs, and this battery charger 8 for example can be that specification is 65V, 20A and can be intelligent the high-power quick charger of regulating control output voltage stabilization and current stabilization.

In this drive system, also be equipped with and vehicle-mounted quick charger 8 bonded assembly vehicular high-power energy feedback electrical generators 9 and the low moment of torsion efficient power generation unit 10 of horizontal vane gentle breeze; The low moment of torsion efficient power generation unit 10 of wherein vehicle-mounted horizontal vane gentle breeze is the two-shipper configuration set and places electronlmobil front end ventilation inlet place with superposeing; And vehicular high-power energy feedback electrical generator 9 is installed in an end of electromechanical coupling change speed gear box 6, wherein the rotor shaft in the electrical generator 9 be connected with transmission shaft 7 and with transmission shaft 7 run-in synchronisms.

In addition, Vehicular solar charging unit 11 is housed also in this drive system, its solar panel by 0.8 * 1.2 specification constitutes these solar charging device 11 exportable 65V voltages, the electric energy of 7A electric current.

In this drive system, be provided with intelligent circuit controller 12; Its may command first drive motor 1 and second drive motor 2 adopt the mode of operation of parallel operation operation or the running of unit group; Also can between first drive motor 1 and two drive motor 2, automatically switch; And the not enough storage battery of electric energy carried out fast charge, in order to next round unit cut-in stand-by.

In addition; This circuit controller 12 can also the low moment of torsion efficient power generation unit 10 of controlling level vane gentle breezes the automatic voltage regulation constant current, and cooperate vehicular high-power energy feedback electrical generator 9 and 11 pairs of electronlmobils of Vehicular solar charging unit supply and the balance of fast charge of networking with the car load power supply energy that keeps electronlmobil.

In addition, this circuit controller 12 also can be controlled the rotating speed of each drive motor 1,2 through the acceleration pedal 13 of vehicle, thereby improves the power and the normal mode of operation that moves of assurance vehicle of electronlmobil.

Vehicle can be realized following control policy through adopting above-described drive system:

Behind the starting vehicle; When chaufeur to put one's foot down 13 when reaching 4/5 stroke; The power that two groups of power driven motors 1,2 in this power-driven system produce exports electromechanical coupling change speed gear box 6 to via separately unidirectional centrifugal type automatic clutch 5 respectively; The power of output can make the driving power of car load be in the mode of operation of double-motor parallel connection after over coupling, can improve vehicle like this and start to walk, overtakes other vehicles, climbs, paddles in moment and get over the power-handling capability under the situation such as ditch.

About 2 hours of the limit time of double-motor parallel running, and should under emergency condition, use as far as possible.When chaufeur lifts acceleration pedal 13; This moment acceleration pedal 13 depression degree less than 4/5 stroke; This drive system is automatically converted to the mode of operation that first drive motor, 1 unit group drives from the Dual-motors Driving state; This moment, second drive motor 2 shut down gradually, and second drive motor, 2 cooresponding unidirectional centrifugal type automatic clutchs 5 separate automatically, at this moment the vehicle speed of a motor vehicle motoring condition that is in the normal state; But it passed through first drive motor, 1 unit group type of drive stream time about 2 hours, and travelled distance is about about 150km.

After 1 continuous working of first drive motor; When if first drive motor, 1 cooresponding first battery pack 3 is about to be in limit working energy state; This moment first battery pack 3 dump energy less than 1/3, the circuit controller 12 in this power-driven system automatically switches to second drive motor, 2 unit groups with type of drive and continues as vehicle driving power is provided.At this moment; The low moment of torsion efficient power generation unit 10 of horizontal vane gentle breeze in this power-driven system can charge for automatically first drive motor, 1 cooresponding first battery pack 3 via vehicle-mounted quick charger 8 with vehicular high-power energy feedback electrical generator 9; Can be full of 80% electric energy after charging about 1 hour, can continue as behind such first storage battery, 3 sufficient electric weight and switch second drive motor 2 and subsequent use.In this way; Vehicle in dynamically advancing can be that two battery packs 3,4 carry out charging operations thus repeatedly; Thereby at first and second drive motor 1, automatically switch between 2; Thereby the failure-free propulsion source can be provided for vehicle is continual, thereby can prolong the work-hours of drive motor and greatly improve the ability that increases Cheng Xu navigation of pure electric automobile.This mode can be through the dynamic vehicle-mounted charge of pure electric automobile; Reduce vehicle effectively because of the not enough compelled stagnation of movement of electrical source of power; And through ground charging station fill change the electricity loaded down with trivial details operation; Greatly prolong the continuation of the journey mileage of pure electric automobile, broken through the mode of operation of present pure electric automobile simple " battery+motor+charging pile ".

In actual vehicular applications, consider the factors such as expenditure of energy (like light, sound equipment, air-conditioning etc.) that energy output is brought less than each item loss function of energy input and onboard system usually; Need ground regularly to charge like this and replenish institute power consumption source; But because this power-driven system adopts the storage battery of the little electric current of low voltage that power source is provided; Visual vehicle (like taxicar, minivan etc.); Configuration Vehicular solar cell panel replenishes energy input as opto-electronic conversion, thus the storage capacity of the car load energy that reduces owing to energy loss that effectively improved balance.

Claims

1. electronlmobil double-motor power-driven system; Comprise first drive motor (1) and cooresponding first battery pack (3), second drive motor (2) and cooresponding second battery pack (4); Wherein first drive motor (1) and second drive motor (2) are conjuncted in this drive system arranges side by side; It is characterized in that: this drive system also comprises intelligent circuit controller (12) and two centrifugal unidirectional self-acting clutchs (5) that are arranged in juxtaposition that are connected with the clutch end of first drive motor (1) and second drive motor (2) respectively; Described two centrifugal unidirectional self-acting clutchs (5) are connected to the input end of electromechanical coupling change speed gear box (6) jointly through castellated shaft, and the mouth of electromechanical coupling change speed gear box (6) is connected with vehicular transmission shaft (7).

2. electronlmobil double-motor power-driven system according to claim 1 is characterized in that in this drive system, also being equipped with to two battery packs (3,4) electrically-charged vehicle-mounted quick chargers (8).

3. electronlmobil double-motor power-driven system according to claim 2 is characterized in that in this drive system, also being equipped with and vehicle-mounted quick charger (8) bonded assembly vehicular high-power energy feedback electrical generator (9) and the low moment of torsion efficient power generation unit (10) of horizontal vane gentle breeze.

4. electronlmobil double-motor power-driven system according to claim 3 is characterized in that the low moment of torsion efficient power generation unit (10) of vehicle-mounted horizontal vane gentle breeze is two-shipper configuration set and the front end ventilation inlet place that places electronlmobil with superposeing.

5. electronlmobil double-motor power-driven system according to claim 4; It is characterized in that vehicular high-power energy feedback electrical generator (9) is installed in an end of electromechanical coupling change speed gear box (6), wherein the rotor shaft in the feedback electrical generator (9) be connected with transmission shaft (7) and with transmission shaft (7) run-in synchronism.

6. electronlmobil double-motor power-driven system according to claim 5 is characterized in that in this drive system, also being equipped with Vehicular solar charging unit (11).

7. electronlmobil double-motor power-driven system according to claim 6 is characterized in that said solar charging device (11) constitutes and output 65V voltage the electric energy of 7A electric current by the solar panel of 0.8 * 1.2 specification.

8. electronlmobil double-motor power-driven system according to claim 7 is characterized in that said battery pack (3,4) adopts the lead plumbate maintenance-free battery or the iron lithium phosphate battery of the low voltage of 48-60V.

9. electronlmobil double-motor power-driven system according to claim 8 is characterized in that said battery charger (8) is that output parameter is voltage 65V and electric current 20A and the high-power quick charger of exporting voltage stabilization and current stabilization.