CN203543617U - Dual-motor driving system for electric automobile - Google Patents

Dual-motor driving system for electric automobile Download PDF

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Publication number
CN203543617U
CN203543617U CN201320624258.XU CN201320624258U CN203543617U CN 203543617 U CN203543617 U CN 203543617U CN 201320624258 U CN201320624258 U CN 201320624258U CN 203543617 U CN203543617 U CN 203543617U
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China
Prior art keywords
motor
power
dual
electronlmobil
automobile
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Expired - Fee Related
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CN201320624258.XU
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Chinese (zh)
Inventor
时培成
孙阳敏
解文辰
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Anhui Polytechnic University
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Anhui Polytechnic University
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Abstract

The utility model discloses a dual-motor driving system for an electric automobile. The dual-motor driving system is characterized in that in the driving system, the output end of an integrated control unit is connected with a high-power driving motor and a low-power driving motor respectively; after the high-power driving motor and the low-power driving motor are integrated through a power coupler, power is output to a transmission shaft of the automobile; the input end of the integrated control unit is connected with a super capacitor, a flywheel battery and a wireless charging device respectively. Due to the adoption of the structure, the dual-motor driving system has the advantages that 1, motors of different power are adjusted in real time according to the running state of the automobile, so that energy is utilized fully; 2, a better electric energy recovering function is realized; 3, the adaptability of the automobile to the running environment is improved.

Description

A kind of dual-motor drive system of electronlmobil
Technical field
The utility model relates to design and the manufacture of electronlmobil, particularly a kind of dual-motor drive system of electronlmobil.
Background technology
Battery-driven car, as the main force of new-energy automobile, has good development prospect.At present, the actuating device of battery-driven car mainly contains two kinds, and a kind of is by single-stage or two-stage speed-changing gear box, and the transmission of power of drive motor, to diff, then is delivered to wheel; Another kind is In-wheel motor driving, and motor is arranged on wheel nave, by wheel, directly drives vehicle.
Traditional electronlmobil has retained the physical construction of most of fuel-engined vehicle, and some electronlmobil only replaces to electrical motor by driving engine, makes car chassis still have heavy and complicated physical construction, is unfavorable for energy-conservation and reduces costs.Although wheel hub motor has saved change-speed box, transmission shaft and the diff etc. of orthodox car, significantly simplified automobile chassis structures, but its control system is complicated, at aspects such as vibration damping and brakings, has still open question, and wheel hub motor is also difficult to large-scale promotion application.The present also existing organization plan that adopts Dual-motors Driving, but owing to adopting the motor of two formed objects, not enough to some extent in the distribution of propulsive effort and energy utilization rate, the adaptive capacity of running environment is had much room for improvement.
For above-mentioned problem, for electronlmobil provides a kind of novel dual-motor drive system, when making full use of the energy, improving vehicle is the problem that prior art need to solve to the comformability of running environment.
Utility model content
Technical problem to be solved in the utility model is, a kind of dual-motor drive system of electronlmobil is provided, and to reach when making full use of the energy, improves vehicle to the adaptive object of running environment.
For achieving the above object, the technical solution of the utility model is that a kind of dual-motor drive system of electronlmobil, is characterized in that: the mouth that described drive system is integrated control unit connects respectively high-power driving motor and miniwatt drive motor; High-power driving motor and miniwatt drive motor output power on the transmission shaft of automobile after power coupler is integrated; The input end of integrated control unit connects respectively super capacitor, flying wheel battery and wireless charging device.
Described transmission shaft can be front propeller shaft or the rear propeller shaft of automobile.
Described transmission shaft is sent to power respectively the left and right wheels of automobile by drive axle.
Described drive system can also make heavy-duty motor directly drive the rear drive shaft of electronlmobil, and low-power machine directly drives electronlmobil drive axle, and the output shaft of these two electrical motors is directly connected with propeller-shaft.
Described super capacitor is relation in parallel with flying wheel battery.
The input end of described integrated control unit is connected with Driving Operation of Motor Vehicles system; Integrated control unit intelligence regulates the operational mode of two motors, when electronlmobil starting, climbing or accelerate, while needing larger power, high-power driving motor and miniwatt drive motor turn round simultaneously; When automobile balance travels, integrated control unit only has the running of miniwatt drive motor, and now high-power driving electric motor loop disconnects; Along with the lifting of power demand, the in good time control high-power driving motor of integrated control unit adds operation.
A dual-motor drive system for electronlmobil, owing to adopting above-mentioned structure, the utility model has the advantage of: 1, according to motoring condition, adjust in real time the electrical motor work of different capacity, work makes full use of the energy; 2, there is good electric energy recovery function; 3, improve vehicle to running environment adaptive faculty.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail;
Fig. 1 is the structural representation of the dual-motor drive system scheme one of a kind of electronlmobil of the utility model;
Fig. 2 is the structural representation of the dual-motor drive system scheme two of a kind of electronlmobil of the utility model;
Fig. 3 is the structural representation of the dual-motor drive system scheme three of a kind of electronlmobil of the utility model;
In Fig. 1-3,1, high-power driving motor; 2, miniwatt drive motor; 3, power coupler; 4, flying wheel battery; 5, super capacitor; 6, wireless charging device; 7, integrated control unit; 8, drive axle; 9, front propeller shaft; 10, rear propeller shaft.
The specific embodiment
The utility model proposes a kind of dual-motor drive system of electronlmobil, comprise a high-power driving motor 1, miniwatt drive motor 2, integrated control unit 7, super capacitor 5, flying wheel battery 4 and a wireless charging device 6.Wherein the mouth of integrated control unit 7 connects respectively high-power driving motor 1 and miniwatt drive motor 2; High-power driving motor 1 and miniwatt drive motor 2 output power on the transmission shaft of automobile after power coupler 3 is integrated; The input end of integrated control unit 7 connects respectively super capacitor 5, flying wheel battery 4 and wireless charging device 6.Transmission shaft can be front propeller shaft 9 or the rear propeller shaft 10 of automobile.Transmission shaft is sent to power respectively the left and right wheels of automobile again by drive axle.The present invention can also make heavy-duty motor 1 directly drive the rear propeller shaft 10 of electronlmobil, and low-power machine 2 directly drives electronlmobil front propeller shaft 9.
Integrated control unit 7 mouths are connected with motor, and input end connects power supply and Driving Operation of Motor Vehicles system.Integrated control unit 7 intelligence regulate the operational mode of double-motors, automatically according to the instruction of the operating condition of vehicle and chaufeur, between single motor rotation and double-motor turn round simultaneously, switch.When electronlmobil starting, climbing or acceleration, need larger power, now high-power driving motor 1 and miniwatt drive motor 2 can turn round simultaneously; When automobile balance travels, the power needing is less, only has 2 runnings of miniwatt drive motor, and now high-power driving motor 1 circuit disconnects; When chaufeur bend the throttle, automobile power demand promotes, and control high-power driving motor 1 operation that integrated control unit 7 is in good time, cuts off miniwatt drive motor 2 circuit; If the violent stepping on accelerator pedal of chaufeur, sends anxious assisted instruction signal, high-power driving motor 1 and miniwatt drive motor 2 move simultaneously, for electronlmobil provides enough power.
Super capacitor 5 is in parallel with flying wheel battery 4 by integrated control unit 7, and super capacitor 5 can fluctuate by mild circuital current, instantaneous large-current is provided when automobile starting, and can reclaims fast the electric energy producing while braking.When automobile downhill and braking, by transmission shaft dragging motor, rotate generating, gained electric power stores super capacitor 5 into through controller.This drive system adopts flying wheel battery 4 as power supply.Now widely used chemical cell, its principle of work is to change electric energy into chemical power to store, then is converted into electric energy output.Chemical cell is cheap, and technology is comparatively ripe, but efficiency is low, and seriously polluted, charging duration is long, and volume and quality are excessive, and in use procedure, electric energy is wayward, and has the danger of the even spontaneous combustion of leaking electricity.Flying wheel battery energy density is high, energy conversion efficiency is high, volume is little, lightweight, good environmental adaptability, long service life, and safety and environmental protection.The wireless charging device 6 that simultaneously the utility model adopts, has improved the charging security of electronlmobil, even if inclement weather also can charge smoothly.
Below in conjunction with three kinds of accompanying drawing 1-3 different embodiment, be specifically described:
As shown in Figure 1, the present embodiment comprises high-power driving motor 1, miniwatt drive motor 2, power coupler 3, integrated control unit 7, super capacitor 5, flying wheel battery 4 and wireless charging device 6.Wherein high-power driving motor 1 and miniwatt drive motor 2 are installed in parallel on power coupler 3, drive electronlmobil front propeller shaft 9 to rotate.
The operative condition of high-power driving motor 1 and miniwatt drive motor 2 is controlled by integrated control unit 7, when electronlmobil starting, climbing or acceleration, need larger power, now high-power driving motor 1 and miniwatt drive motor 2 turn round simultaneously, propulsive effort outputs to front propeller shaft 9 after integrating by power coupler 3, then by front driving axle 8, power is sent to respectively to left and right wheels; When automobile balance travels, only have 2 runnings of miniwatt drive motor, now high-power driving motor 1 loop disconnects; Along with the lifting of power demand, the in good time automatic control high-power driving motor 1 of integrated control unit 7 adds operation.High-power driving motor 1 and miniwatt drive motor 2 are when electronlmobil descending or braking, driven by transmission shaft generates electricity, gained electric power is recovered to super capacitor 5 fast via the energy management unit in integrated control unit 7, and when electronlmobil accelerates, electric power is controlledly delivered to drive motor from super capacitor 5.
Super capacitor 5 is in parallel with flying wheel battery 4 by energy management unit.Super capacitor 5 power densities are large, electric current fast charging and discharging greatly, and safety and environmental protection, long service life, control circuit is comparatively simple.When electronlmobil starts, super capacitor 5 offers drive motor by the electric energy obtaining from flying wheel battery 4 with enough large power; When electronlmobil brake snub, can reclaim rapidly again the electric energy of feedback.Flying wheel battery 4 energy densities are high, energy conversion efficiency is high, volume is little, lightweight, good environmental adaptability, long service life, and safety and environmental protection.In flying wheel battery 4, have a motor, during charging this motor as motor operation, under the driving of external power, driven by motor flywheel High Rotation Speed, i.e. electricity consumption, to flying wheel battery " charging ", has increased the rotating speed of flywheel, thereby increases its energy; During electric discharge, motor, with the running of electrical generator state, is externally exported electric energy under the drive of flywheel, completes mechanical energy (kinetic energy) to the conversion of electric energy.Wireless charging device 6, owing to not being exposed to outer plug, is not affected by sleet during charging.And position and flexible form are various, can adopt induction or magnetic resonance type wireless charging technology.
As shown in Figure 2, the utility model comprises high-power driving motor 1, miniwatt drive motor 2, power coupler 3, integrated control unit 7, super capacitor 5, flying wheel battery 4 and wireless charging device 6.Wherein high-power driving motor 1 and miniwatt drive motor 2 are installed in parallel on power coupler 3, drive electronlmobil rear propeller shaft 10 to rotate, then by rear driving axle 8, power are sent to respectively to left and right wheels.
As shown in Figure 3, high-power driving motor 1 is directly connected with automobile rear propeller shaft 10, and miniwatt drive motor 2 is directly connected with automobile front propeller shaft 9.Integrated control unit 7 is controlled the running state of two drive motor according to the operating order of electronlmobil operating condition and chaufeur, realize single front wheel and drive, separately back-wheel drive or four wheel drive.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as the various improvement that adopted technical solutions of the utility model to carry out; or directly apply to other occasion without improvement, all within protection domain of the present utility model.

Claims (5)

1. a dual-motor drive system for electronlmobil, is characterized in that: described drive system is that the mouth of integrated control unit (7) connects respectively high-power driving motor (1) and miniwatt drive motor (2); High-power driving motor (1) and miniwatt drive motor (2) output power on the transmission shaft of automobile after power coupler (3) is integrated; The input end of integrated control unit (7) connects respectively super capacitor (5), flying wheel battery (4) and wireless charging device (6).
2. the dual-motor drive system of a kind of electronlmobil according to claim 1, is characterized in that: described transmission shaft can be the front propeller shaft of automobile (9) or rear propeller shaft (10).
3. the dual-motor drive system of a kind of electronlmobil according to claim 1 and 2, is characterized in that: described transmission shaft is sent to power respectively the left and right wheels of automobile by drive axle (8).
4. the dual-motor drive system of a kind of electronlmobil according to claim 1, it is characterized in that: described drive system can also make heavy-duty motor (1) directly drive the rear propeller shaft (10) of electronlmobil, low-power machine (2) directly drives electronlmobil front propeller shaft (9), and two motor output shafts are directly connected with propeller-shaft.
5. the dual-motor drive system of a kind of electronlmobil according to claim 1, is characterized in that: described super capacitor (5) is relation in parallel with flying wheel battery (4).
CN201320624258.XU 2013-10-10 2013-10-10 Dual-motor driving system for electric automobile Expired - Fee Related CN203543617U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103552477A (en) * 2013-10-10 2014-02-05 安徽工程大学 Electromobile double-motor driving system
CN105416095A (en) * 2015-12-29 2016-03-23 罗公祥 Multi-motor electric automobile
CN105584343A (en) * 2014-10-22 2016-05-18 上海馨联动力系统有限公司 Blade electric vehicle power assembly with double permanent magnet synchronous motors
CN105922853A (en) * 2016-05-13 2016-09-07 杨勇 Hybrid drive device provided with motors and one-way clutches
CN105922858A (en) * 2016-05-13 2016-09-07 杨勇 Combined electric vehicle drive device
CN107284212A (en) * 2016-04-13 2017-10-24 江苏陆地方舟新能源电动汽车有限公司 A kind of power assembly of electric automobile and its control method
CN107985119A (en) * 2017-10-24 2018-05-04 山东理工大学 A kind of flywheel mixes bi-motor four-wheeled electric vehicle drive control method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103552477A (en) * 2013-10-10 2014-02-05 安徽工程大学 Electromobile double-motor driving system
CN105584343A (en) * 2014-10-22 2016-05-18 上海馨联动力系统有限公司 Blade electric vehicle power assembly with double permanent magnet synchronous motors
CN105416095A (en) * 2015-12-29 2016-03-23 罗公祥 Multi-motor electric automobile
CN107284212A (en) * 2016-04-13 2017-10-24 江苏陆地方舟新能源电动汽车有限公司 A kind of power assembly of electric automobile and its control method
CN105922853A (en) * 2016-05-13 2016-09-07 杨勇 Hybrid drive device provided with motors and one-way clutches
CN105922858A (en) * 2016-05-13 2016-09-07 杨勇 Combined electric vehicle drive device
CN107985119A (en) * 2017-10-24 2018-05-04 山东理工大学 A kind of flywheel mixes bi-motor four-wheeled electric vehicle drive control method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140416

Termination date: 20151010

EXPY Termination of patent right or utility model