CN1843796A - Hybrid powered electric car capable of changing speed automatically - Google Patents

Hybrid powered electric car capable of changing speed automatically Download PDF

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Publication number
CN1843796A
CN1843796A CN 200610035477 CN200610035477A CN1843796A CN 1843796 A CN1843796 A CN 1843796A CN 200610035477 CN200610035477 CN 200610035477 CN 200610035477 A CN200610035477 A CN 200610035477A CN 1843796 A CN1843796 A CN 1843796A
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CN
China
Prior art keywords
motor
auxiliary
control unit
main
driving engine
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Granted
Application number
CN 200610035477
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Chinese (zh)
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CN100497024C (en
Inventor
张景新
邓先泉
王扬满
黄雪萌
蒋海军
陆士云
张振宏
邓小明
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SHENZHEN WUZHOULONG MOTORS CORP Ltd
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SHENZHEN WUZHOULONG MOTORS CORP Ltd
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Application filed by SHENZHEN WUZHOULONG MOTORS CORP Ltd filed Critical SHENZHEN WUZHOULONG MOTORS CORP Ltd
Priority to CN 200610035477 priority Critical patent/CN100497024C/en
Publication of CN1843796A publication Critical patent/CN1843796A/en
Application granted granted Critical
Publication of CN100497024C publication Critical patent/CN100497024C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • Y02T10/6295

Abstract

The invention relates to an automatic shift mixed-power electric vehicle, which is characterized in that: it comprises a engine, a auxiliary motor, a clutch, a main motor, a transmission axle, a rear bridge, a front axle, a arrester controller, a accelerator controller, a shift controller, an auxiliary energy transformer, a main energy transformer, a energy storage device and a control unit. Wherein, the engine is mechanically connected to the auxiliary motor; the auxiliary motor via clutch is connected to the main motor; the main motor via transmission axle is connected to the rear bridge or front axle; the main energy transformer is connected to the main motor, energy storage device and the control unit; the auxiliary energy transformer is connected to the auxiliary motor, energy storage device and the control unit; the engine via accelerator control signal, the arrester controller via arrest signal, and the accelerator controller via accelerating signal, are independently connected to the control unit; the signal of shift controller is connected to the control unit. The invention has simple structure, better economic benefit, high reality and long service life, without shift, while it can apply mixed-power electric vehicle.

Description

Hybrid powered electric car capable of changing speed automatically
Technical field
The present invention relates to a kind of hybrid powered electric car capable of changing speed automatically, belong to the hybrid-power electric vehicle technical field.
Background technology
For solving global environment and energy problem, the clean environment firendly and the energy-conservation vehicle all dropping into great amount of manpower and material resources, are sought by each state, solve automotive traffic global environmental pollution that causes and the consumption that reduces the energy.Therefore, battery-driven car has become the emphasis of research.But be subjected to the restriction of power battery of electric vehicle technology, the pure electric vehicle continual mileage is short, cost is also higher, therefore, is difficult to promote the use of.Hybrid-power electric vehicle can solve the short problem of pure electric vehicle continual mileage, and relative orthodox car has, and discharging is low, less cost of power obtains swift and violent development in recent years.
Exploitation at present mostly is tandem power coupled modes hybrid-power electric vehicle, and the special generating of tandem electric vehicle engine drive electrical generator charges the battery or gives drive motor, and automobile power is from motor.The total inefficiency of tandem hybrid electric vehicle, system cost height, strong to the dependence of closed-center system, functional reliability is low, so, also be difficult to promote.
And in the present disclosed series parallel hybrid power battery-driven car patent, system complex will be developed special-purpose power collector-shoe gear and speed-changing mechanism, and system's control is complicated.As the disclosed a kind of partition type multipotency driving source system that is used for mixed power electric car of Chinese patent, use the power split device of electromechanical integration and the driving device that confluxes, the system cost height is installed complicated.
In the disclosed a kind of hybrid-power electric vehicle of Chinese patent, drive motor is at the gearbox output end, and drive motor can not serve as the electrical generator role, and the electric weight of its battery replenishes the special electrical generator that drives from driving engine.Its mechanical connection mechanism head, electrical generator can not be controlled according to operating mode, and takeoff output has the greatest impact.
In the straight driving mixed power device of the disclosed a kind of driving engine of Chinese patent, driving engine output by power-transfer clutch with after motor is connected, the direct drive back axle; This patent motor only could generate electricity as deceleration, descending etc. under the special status in vehicle ', and to the closed-center system charging, therefore, the continual mileage of vehicle is subjected to the restriction of closed-center system electric weight.
In Chinese patent 200420043113.1 disclosed a kind of hybrid-power electric vehicles, the output of driving engine and motor is through change-speed box driving rear axle again; Driving engine will come the generating of driving machine helper motor, this mechanical connection more complicated by belt.
Summary of the invention
The objective of the invention is at the problems referred to above, provide a kind of simple in structure, cost is low, functional reliability is high, continual mileage is long, can realize the series, parallel function, without the hybrid powered electric car capable of changing speed automatically of change-speed box.
The object of the present invention is achieved like this: comprise the driving engine, auxiliary-motor, power-transfer clutch, main motor, transmission shaft, back axle, propons, drg steering unit, accelerator manipulating mechanism, selector gear, secondary energy conversion device, main energy conversion device, closed-center system and the control unit that are arranged in the vehicle body, driving engine and auxiliary-motor mechanical connection, auxiliary-motor is connected with main motor by power-transfer clutch, and main motor is connected with back axle or propons by transmission shaft; Main energy conversion device is electrically connected with main motor, closed-center system, control unit respectively; Secondary energy conversion device is electrically connected with auxiliary-motor, closed-center system, control unit respectively; Driving engine is electrically connected with control unit respectively by Acceleration Signal by speed-slackening signal, accelerator manipulating mechanism by throttle control signal, drg steering unit; Selector gear signal and control unit are electrically connected.
The present invention, driving engine can adopt electric spraying diesel engine or electro jet car oil turbine, and driving engine can be connected by elastic coupling with auxiliary-motor.
The present invention, power-transfer clutch can adopt dry single disc clutch or magnetic clutch.
The present invention, auxiliary-motor or and main motor can adopt alternating current dynamo or DC machine.
The present invention, secondary energy conversion device or and main energy conversion device can adopt two-way DC/AC or two-way DC/DC electric machine controller; Closed-center system can adopt the device of various store electrical energy such as lead-acid battery, Ni-MH battery, lithium cell, super capacitor or flying wheel battery.
Beneficial effect of the present invention is:
1), when vehicle parking, control unit can be according to the electric weight situation of closed-center system, automatically controlled engine drives auxiliary-motor and generates electricity and charge to closed-center system; May command driving engine and auxiliary-motor work in optimum condition during generating, engine fuel efficient height;
2), driving engine, auxiliary-motor and main motor be connected to single shaft single clutch structure, connection structure is simple;
3), do not need change-speed box.Vehicle speed variation control of the present invention: vehicle is according to the signal of Das Gaspedal, and control unit is controlled main motor-driven vehicle and started to walk by dead ship condition, and this moment, engine behavior was determined by the mode of operation of auxiliary-motor; When reaching certain speed of a motor vehicle, main motor speed is greater than or equal to the current rotating speed of driving engine, and both speed errors are when changeing less than 100, closed power-transfer clutch, driving engine and auxiliary-motor power insert and drive, the auxiliary-motor generation outage, and this moment, the engine oil gate control signal was given Das Gaspedal.Driving engine and main motor multi-power driven vehicle reach maximum speed of revolution up to driving engine, and vehicle reaches maximum speed.Moderating process is just in time opposite with above-mentioned steps;
4), have characteristics of series connection and two kinds of electromechanical coupling modes in parallel: when power-transfer clutch disconnects, the engine drive auxiliary-motor generates electricity to the closed-center system charging, and vehicle is cascade machine electrical hookup mode during by main motor independent drive; After reaching certain speed of a motor vehicle behind the vehicle start, vehicle is driven jointly by driving engine and main motor, is parallel machine electrical hookup mode.
Therefore, have simple in structure, cost is low, functional reliability is high, continual mileage is long, without the advantage of change-speed box, and have the characteristics of series connection and parallel machine electrical hookup mode, be applicable to the hybrid-power electric vehicle use.
The present invention is further illustrated for following embodiment accompanying drawings.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is an engine starting control flow chart of the present invention;
Fig. 3 is an engine throttle control flow chart of the present invention;
Fig. 4 is an auxiliary-motor generating state control flow chart of the present invention;
Fig. 5 is a clutch state control flow chart of the present invention;
Fig. 6 is a main electric machine operation state control flow chart of the present invention;
Fig. 7 is a control unit system block diagram of the present invention.
Among the figure, 1, driving engine, 2, auxiliary-motor, 3, power-transfer clutch, 4, main motor, 5, transmission shaft, 6, back axle, 8, the drg steering unit, 9, accelerator manipulating mechanism, 10, secondary energy conversion device, 11, main energy conversion device, 12, closed-center system, 13, control unit, 14, elastic coupling, 15, selector gear;
SOC, electric weight, SOCL, electric weight lower limit, SOCH, electric weight higher limit.
The specific embodiment
With reference to Fig. 1, present embodiment comprises driving engine 1, auxiliary-motor 2, power-transfer clutch 3, main motor 4, transmission shaft 5, back axle 6, propons 7, drg steering unit 8, accelerator manipulating mechanism 9, selector gear 15, secondary energy conversion device 10, main energy conversion device 11, closed-center system 12 and the control unit 13 that is arranged in the vehicle body, driving engine 1 and auxiliary-motor 2 mechanical connections, auxiliary-motor 2 is connected with main motor 4 by power-transfer clutch 3, and main motor 4 is connected with back axle 6 by transmission shaft 5; Main energy conversion device 11 is electrically connected with main motor 4, closed-center system 12, control unit 13 respectively; Secondary energy conversion device 10 is electrically connected with auxiliary-motor 2, closed-center system 12, control unit 13 respectively; Driving engine 1 is electrically connected with control unit 13 respectively by Acceleration Signal by speed-slackening signal, accelerator manipulating mechanism 9 by throttle control signal, drg steering unit 8; Selector gear 15 is electrically connected such as the gear signal and the control unit 13 of gear change hand lever; Driving engine 1 is electric spraying diesel engine or electro jet car oil turbine, and driving engine is connected by elastic coupling 14 with auxiliary-motor 2; Power-transfer clutch 3 is dry single disc clutch or magnetic clutch; Auxiliary-motor 2 or and main motor 4 adopt alternating current dynamo or DC machine; Secondary energy conversion device 10 or and main energy conversion device 11 adopt two-way DC/AC or two-way DC/DC electric machine controllers; Closed-center system 12 can adopt the device of various store electrical energy such as lead-acid battery, Ni-MH battery, lithium cell, super capacitor or flying wheel battery.
With reference to Fig. 1, use of the present invention:
1), driving engine 1 and auxiliary-motor 2, main motor 4 all can driving rear axle 6, and auxiliary-motor 2 and main motor 4 are under the control of secondary energy conversion device 10, main energy conversion device 11 and control unit 13, can serve as electrical motor or electrical generator role according to operating mode, can charge to closed-center system 12 under generating state, driving engine 1 is controlled by control unit 13;
2), control unit 13 receive accelerator manipulating mechanisms 9 such as accelerator pedal, drg steering unit 8 such as brake pedal and selector gear 15 signal such as the gear signal of gear change hand lever and secondary energy conversion device 10, main energy conversion device 11 feedbacks, secondary energy conversion device 10 of automatic guidance and main energy conversion device 11, the electronic and generating of control auxiliary-motor 2 and main motor 4;
3), vehicle need not change-speed box just can reach the effect of automatic speed changing driving: during driving by main motor 4 powered vehicle starting, reach certain rotating speed after, power-transfer clutch 3 closures, driving engine 1 adds and drives until maximum speed;
4), vehicle possesses combination drive and two kinds of patterns of pure motorized motions: during pure motorized motions, power-transfer clutch 3 disconnects, by main motor independent drive vehicle; When the combination drive pattern, vehicle is started to walk by main motor 4 powered vehicle, reach certain rotating speed after, power-transfer clutch 3 closures, driving engine 1 adds and carries out combination drive;
5), vehicle possesses the characteristics of series connection and two kinds of electromechanical coupling modes in parallel: when power-transfer clutch 3 disconnects, driving engine 1 drives auxiliary-motor 2 generatings and gives closed-center system 12 chargings, and vehicle is cascade machine electrical hookup mode during by main motor 4 independent drive; After reaching certain speed of a motor vehicle behind the vehicle start, vehicle is driven jointly by driving engine 1 and main motor 4, is parallel machine electrical hookup mode;
6), driving engine 1 adopts electric spraying diesel engine or electro jet car oil turbine, driving engine 1 is connected by elastic coupling 14 with auxiliary-motor 2; Power-transfer clutch 3 is dry single disc clutch or magnetic clutch; Auxiliary-motor 2 or and main motor 4 adopt alternating current dynamo or DC machine; Secondary energy conversion device 10 or and main energy conversion device 11 adopt two-way DC/AC or two-way DC/DC electric machine controllers; Closed-center system 12 can adopt the device of various store electrical energy such as lead-acid battery, Ni-MH battery, lithium cell, super capacitor or flying wheel battery.
With reference to Fig. 2, the startup power of driving engine 1 of the present invention has two kinds: the one, and drive turn of engine by auxiliary-motor 2 and start, the startup of driving engine 1 is undertaken by auxiliary-motor 2 usually; The 2nd, in the situation of auxiliary-motor 2 faults, the starter motor that carries by driving engine 1 starts, and when starting by auxiliary-motor 2, driving engine 1 can start under higher rotation speed, avoids low speed maximum discharge zone.The startup of driving engine 1 of the present invention has two kinds of patterns: the one, and after system was ready, if system detects the electric weight SOC of closed-center system 12 when being lower than electric weight lower limit SOCL, system drove auxiliary-motor 2 with automatic actuation engine 1 and generates electricity; The 2nd, if when the electric weight SOC of closed-center system 12 is higher than electric weight higher limit SOCH, place at gear change hand lever under the situation of N shelves, when accelerator manipulating mechanism 9, starts by auxiliary-motor 2 driving machine turn of engines during greater than minimum accelerator open degree such as the accelerator open degree of accelerator pedal.
With reference to Fig. 3, the Throttle Opening Control of driving engine 1 is divided two kinds: the one, and before power-transfer clutch 3 closures, the throttle of driving engine 1 carries out automatic guidance by control unit 13 according to the generating state of auxiliary-motor 2; The 2nd, after power-transfer clutch 3 closures, the Throttle Opening Control of driving engine 1 power is given accelerator manipulating mechanism 9 such as accelerator pedal, is controlled by the driver.
With reference to Fig. 4, after system was ready, when the electric weight SOC of closed-center system 12 was lower than electric weight lower limit SOCL, system drove auxiliary-motor 2 with automatic actuation engine 1 and generates electricity, when the electric weight SOC of closed-center system 12 is higher than electric weight higher limit SOCH, stop the generating of auxiliary-motor 2 automatically; After power-transfer clutch 3 closures, auxiliary-motor 2 will not generate electricity.
With reference to Fig. 5, after system is ready, system's first step will be pushed power-transfer clutch 3 open; When pure motor mode, gear change hand lever place R shelves or main motor 4 rotating speeds to be lower than driving engine 1 current rotating speed, all will push power-transfer clutch 3 open; Only be higher than driving engine 1 current rotating speed and both speed errors and be no more than 100 when changeing, closed power-transfer clutch 3 at main motor 4 rotating speeds.
With reference to Fig. 6, need under the situation of takeoff output at vehicle acceleration, climbing, vehicle start etc., main motor 4 drives horsepower output; Under situations such as car retardation, descending, braking, main motor 4 will be in the dynamic brake state, and kinetic energy is converted to electrical power storage in closed-center system 12; When the common powered vehicle driving of driving engine 1 and main motor 4, less when vehicle power demand, when driving engine 1 had power more than needed, driving engine 1 a part of power was used for powered vehicle, and a part of power is used for generating electricity to main motor 4; When vehicle need be moveed backward, main motor 4 carried out reversal of poles automatically, and the motor counter-rotating is moveed backward.
The control unit 13 that the present invention mentions is an electronic control unit; abbreviation ECU; at this moment auto electronic control technology known in this field; the present invention does not ask for protection; as the mixed control unit of mentioning at Chinese patent 00810057.8 is mixing ECU; for a person skilled in the art, can implement the mentioned control unit of the present invention 13.With reference to Fig. 6, the present invention further describes control unit 13, and this control unit 13 comprises with power supply handles the bonded assembly center processor, and the center processor feedback connects communication interface; The analog quantity input is sent into center processor after the conversion of modulus mould; The digital signal of center processor output is exported analog signals after digital to analogy conversion; Switching value is isolated back input center processor through light; The switching value output signal is isolated back output through light, through power gain rear drive load.

Claims (5)

1, a kind of hybrid powered electric car capable of changing speed automatically, comprise the driving engine (1) that is arranged in the vehicle body, auxiliary-motor (2), power-transfer clutch (3), main motor (4), transmission shaft (5), back axle (6), propons (7), drg steering unit (8), accelerator manipulating mechanism (9), selector gear (15), secondary energy conversion device (10), main energy conversion device (11), closed-center system (12) and control unit (13), it is characterized in that: described driving engine (1) and described auxiliary-motor (2) mechanical connection, described auxiliary-motor (2) is connected with described main motor (4) by power-transfer clutch (3), and described main motor (4) is connected with described back axle (6) or propons (7) by transmission shaft (5); Described main energy conversion device (11) is electrically connected with main motor (4), closed-center system (12), control unit (13) respectively; Described secondary energy conversion device (10) is electrically connected with auxiliary-motor (2), closed-center system (12), control unit (13) respectively; Described driving engine (1) is electrically connected with described control unit (13) respectively by Acceleration Signal by speed-slackening signal, described accelerator manipulating mechanism 9 by throttle control signal, described drg steering unit (8); Described selector gear (15) signal and control unit (13) are electrically connected.
2, hybrid powered electric car capable of changing speed automatically according to claim 1, it is characterized in that: described driving engine (1) is electric spraying diesel engine or EFI engine petrol, and described driving engine (1) is connected by elastic coupling (14) with described auxiliary-motor (2).
3, hybrid powered electric car capable of changing speed automatically according to claim 1 and 2 is characterized in that: described power-transfer clutch (3) is dry single disc clutch or magnetic clutch.
4, hybrid powered electric car capable of changing speed automatically according to claim 1 and 2 is characterized in that: described auxiliary-motor (2) or and main motor (4) adopt alternating current dynamo or DC machine.
5, hybrid powered electric car capable of changing speed automatically according to claim 1 and 2 is characterized in that: described secondary energy conversion device (10) or and main energy conversion device (11) adopt two-way DC/AC or two-way DC/DC electric machine controller; Closed-center system (12) adopts lead-acid battery, Ni-MH battery, lithium cell, super capacitor or flying wheel battery.
CN 200610035477 2006-05-12 2006-05-12 Hybrid powered electric car capable of changing speed automatically Expired - Fee Related CN100497024C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610035477 CN100497024C (en) 2006-05-12 2006-05-12 Hybrid powered electric car capable of changing speed automatically

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Application Number Priority Date Filing Date Title
CN 200610035477 CN100497024C (en) 2006-05-12 2006-05-12 Hybrid powered electric car capable of changing speed automatically

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CN100497024C CN100497024C (en) 2009-06-10

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102001276A (en) * 2009-09-02 2011-04-06 北京长征天民高科技有限公司 Coaxial hybrid system and vehicle with same
CN102055389A (en) * 2010-12-31 2011-05-11 东莞洲亮通讯科技有限公司 Stepless speed regulating method of double-speed brushless direct current motor for electric automobile
CN101564985B (en) * 2008-06-30 2012-12-19 罗治辉 Electricity generating and energy storing system for hybrid vehicle
CN102910065A (en) * 2012-11-02 2013-02-06 上海中科深江电动车辆有限公司 Hybrid middle bus power system and corresponding control method
CN103770777A (en) * 2012-10-19 2014-05-07 福特全球技术公司 Vehicle
WO2019062880A1 (en) * 2017-09-29 2019-04-04 比亚迪股份有限公司 Hybrid vehicle and power generation control method and device thereof
TWI737921B (en) 2017-09-29 2021-09-01 大陸商比亞迪股份有限公司 Hybrid vehicle, its power generation control method and power generation controller and non-transitory computer readable storage medium

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101564985B (en) * 2008-06-30 2012-12-19 罗治辉 Electricity generating and energy storing system for hybrid vehicle
CN102001276A (en) * 2009-09-02 2011-04-06 北京长征天民高科技有限公司 Coaxial hybrid system and vehicle with same
CN102055389A (en) * 2010-12-31 2011-05-11 东莞洲亮通讯科技有限公司 Stepless speed regulating method of double-speed brushless direct current motor for electric automobile
CN102055389B (en) * 2010-12-31 2012-10-03 东莞洲亮通讯科技有限公司 Stepless speed regulating method of double-speed brushless direct current motor for electric automobile
CN103770777A (en) * 2012-10-19 2014-05-07 福特全球技术公司 Vehicle
CN103770777B (en) * 2012-10-19 2016-03-02 福特全球技术公司 Vehicle
CN102910065A (en) * 2012-11-02 2013-02-06 上海中科深江电动车辆有限公司 Hybrid middle bus power system and corresponding control method
CN102910065B (en) * 2012-11-02 2015-08-12 上海中科深江电动车辆有限公司 Hybrid power minibus power system and corresponding control method
WO2019062880A1 (en) * 2017-09-29 2019-04-04 比亚迪股份有限公司 Hybrid vehicle and power generation control method and device thereof
TWI737921B (en) 2017-09-29 2021-09-01 大陸商比亞迪股份有限公司 Hybrid vehicle, its power generation control method and power generation controller and non-transitory computer readable storage medium

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Assignee: Shenyang Wuzhoulong New Energy Automobile Co. Ltd.

Assignor: Shenzhen Wuzhoulong Motors Corp. Ltd.

Contract record no.: 2011440020026

Denomination of invention: Hybrid powered electric car capable of changing speed automatically

Granted publication date: 20090610

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Assignee: Chongqing Wuzhoulong New Energy Automobile Co., Ltd.

Assignor: Shenzhen Wuzhoulong Motors Corp. Ltd.

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Denomination of invention: Hybrid powered electric car capable of changing speed automatically

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