CN200984966Y - Coaxial type power system for mixed power electric automobile - Google Patents
Coaxial type power system for mixed power electric automobile Download PDFInfo
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- CN200984966Y CN200984966Y CNU200620016420XU CN200620016420U CN200984966Y CN 200984966 Y CN200984966 Y CN 200984966Y CN U200620016420X U CNU200620016420X U CN U200620016420XU CN 200620016420 U CN200620016420 U CN 200620016420U CN 200984966 Y CN200984966 Y CN 200984966Y
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Abstract
The utility model discloses a coaxial power system of hybrid power electric automobile. The utility model is characterized in that the internal combustion engine, the dynamo, the clutch and the electric motor are arranged on the same axle line in sequence; the internal combustion engine is in rotating connection with the dynamo; the dynamo and the electric motor are in rotating connection through the clutch. When the internal combustion engine drives the dynamo to generate electricity, the electric motor receives the energy torque output from the dynamo, this procedure is to form the tandem hybrid power system; when the torque of the internal combustion engine is output through the dynamo, the clutch and the electric motor, this procedure is to form the direct driving power system; and when the torque of the internal combustion engine and the torque of the electric motor which receives electricity from the energy storing system are superimposed and output through the electric motor and the clutch, this procedure is to form the parallel hybrid power system. The utility model has no power synthesizer and speed variator, thereby, the utility model has a tight and simple structure; moreover, the utility model cam reduce the mechanical loss and the weight of the system, and the horizontal installment dimension is shortened, therefore, the utility model is applicable for the standard car chassis.
Description
Technical field
The utility model relates to the general vehicle technical field of communications and transportation, especially relates to the layout of vehicular propulsion.Be applicable to electronlmobil, be specially adapted to the series parallel hybrid power electronlmobil that combustion engine and electrical motor are formed.
Background technology
Mixed power electric car is a kind of vehicle between internal-combustion engines vehicle and pure electric automobile, is the vehicle of internal-combustion engines vehicle to the pure electric automobile transition.It mainly be solve existing internal-combustion engines vehicle oil consumption and discharging bigger, and technical matters such as pure electric automobile is restricted by capacity of cell, and the mileage that travels is limited, and charging is inconvenient, power is lower.On mixed power electric car, adopted internal combustion engine drive systems, also adopt electric motor drive system simultaneously, combustion engine and electrical motor are formed hybrid power system jointly and are come powered vehicle to travel, and the pernicious gas that is discharged in the fuel discharge of vehicle and the waste gas is reduced in large quantities.
The power of the combustion engine that is adopted on mixed power electric car, generally the internal-combustion engines vehicle than same level is little, but the pollution of fuel discharge and exhaust emission is had higher requirement.Except having taked various latest modern technological technology that combustion engine often is under the efficient higher state the running, give full play to the characteristics of the low speed high torque of electrical motor, making combustion engine avoid the unfavorable operating mode that fuel discharge increases and exhaust emission increases when starting, acceleration and climbing, is the principal feature of mixed power electric car.
The power system of traditional mixed power electric car, as shown in Figure 1.Wherein the output torque of combustion engine 1 and electrical motor 4 is respectively by power- transfer clutch 3A, 3B, and stack in power synthesizer 10 is again by transmission shaft 7 and diff 8 output drive wheels 9.The driving efficiency of electronlmobil is affected, structure more complicated, and productive costs height, and the maintenance capacity in later stage is also big.
The power system of another kind of mixed power electric car, as shown in Figure 2.Though wherein combustion engine 1, electrical generator 2, power-transfer clutch 3 and electrical motor 4 are installed on the same axis, but still to be in transmission connection between power-transfer clutch 3 and the electrical motor 4 by change speed gear box 11, the output torque of combustion engine 1 will be through the loss of change-speed box, could superpose with the output torque of electrical motor 4, be delivered to transmission shaft 7 and diff 8 output drive wheels 9.System is complicated, and axial dimension is long.
Because of containing dynamic synthesizer or mechanical variable speed device in the power system, there is complex structure in the mixed power electric car of prior art, and driving efficiency is low, and defectives such as longer dimension have influenced the economic and technical norms of car load.
The utility model content
The technical problems to be solved in the utility model is, for the weak point of the power system of the mixed power electric car that remedies prior art, and provides a kind of coaxial type power system that is used for mixed power electric car of simple in structure, good economy performance.
The utility model is to solve the problems of the technologies described above to adopt following technical scheme:
Be used for the coaxial type power system of mixed power electric car, comprise combustion engine, electrical generator, power-transfer clutch, electrical motor, control system and closed-centre system.The key feature of this technical scheme is that combustion engine and electrical generator, power-transfer clutch and electrical motor are installed on the same axis successively.And combustion engine is connected with the electrical generator through-coupling, is in transmission connection by power-transfer clutch between electrical generator and the electrical motor.
When electronlmobil at starting and low cruise state, the microprocessing unit of control system instruction disengaging of clutch, the internal-combustion engine drives generator for electricity generation, electrical motor obtains the electric energy output torque from electrical generator, powered vehicle is travelled, and constitutes series connection type hybrid power system at this moment.
When electronlmobil in middle and high fast running state, the microprocessing unit instruction power-transfer clutch combination of control system, internal-combustion torque is by bonded assembly electrical generator, power-transfer clutch and electric motor drive output successively on the same axis, and powered vehicle is travelled, and constitutes combustion engine direct drive power system this moment.
When electronlmobil needs more high-power state quicken or climbing etc., the microprocessing unit instruction power-transfer clutch combination of control system, internal-combustion torque and the moment of torsion that obtains the electrical motor of electric energy from closed-centre system, by electrical generator on the same axis and power-transfer clutch stack back output, powered vehicle is travelled, and constitutes parallel connection type hybrid power system this moment.
Control system also comprises the inverter circuit of closed-centre system to the electrical motor electric energy transmitting, electrical generator is to the rectifying circuit of closed-centre system electric energy transmitting, with the energy management module of control electric energy generated, and accept each sensor signal and the imput output circuit that is connected power element.Under the series hybrid pattern, energy management module is according to the electric weight situation that has stored of closed-centre system, and the horsepower output of adjusting, control electrical generator equals the horsepower input of electrical motor and the charge power of closed-centre system.
Use the advantage of technical solutions of the utility model to be:
1. compare with the power system of traditional mixed power electric car, the technical solution of the utility model has reduced the power synthesizer, and it is much simple that structure becomes, and weight significantly reduces, and mechanical wear reduces, and driving efficiency improves.
2. compare with the power system of another kind of mixed power electric car, the technical solution of the utility model has reduced the change speed gear box before the electrical motor, and it is simple, compact that structure becomes, and reliability promotes, vertically installation dimension significantly shortens, but direct mount is in the standard automobile chassis.
3. adopt the utility model to be used for the technical scheme of the power system of mixed power electric car, power of IC engine can further reduce, and tractive performance does not fall, and the car load energy-saving effect shows chopsticks, and fuel economy is better, more helps realizing the target of minimum discharge.The mechanicalness noise of system has reduced many, and the cost of making, keeping in repair also significantly reduces.
Description of drawings
Description of drawings of the present utility model is as follows:
Fig. 1 is the layout scheme drawing of the power system of existing mixed power electric car.
Fig. 2 is the layout scheme drawing of the power system of existing another kind of mixed power electric car.
Fig. 3 is used for the layout scheme drawing of the coaxial type power system embodiment of mixed power electric car for the utility model.
Fig. 4 is used for the logic theory block scheme of control system 5 of the coaxial type power system embodiment of mixed power electric car for the utility model
Fig. 5 is used for the rotating speed-twisting moment diagram of electrical motor 4 of the coaxial type power system embodiment of mixed power electric car for the utility model.
Fig. 6 is used for the rotating speed-twisting moment diagram of combustion engine 1 of the coaxial type power system embodiment of mixed power electric car for the utility model.
Fig. 7 is used for the combustion engine 1 of coaxial type power system embodiment of mixed power electric car and the rotating speed-twisting moment diagram after the stack of electrical motor 4 power for the utility model.
The specific embodiment
Further specify the utility model below in conjunction with embodiment and accompanying drawing.
The utility model is used for the coaxial type power system of mixed power electric car, and embodiment as shown in Figure 3.Comprise combustion engine 1, electrical generator 2, power-transfer clutch 3, electrical motor 4, control system 5 and closed-centre system 6 among the figure.Wherein, combustion engine 1 is installed on the same axis successively with electrical generator 2, power-transfer clutch 3 and electrical motor 4.And combustion engine 1 is connected with electrical generator 2 through-couplings, is in transmission connection by power-transfer clutch 3 between electrical generator 2 and the electrical motor 4.Just, the front end direct connection of the input shaft of the mouth of combustion engine 1 and electrical generator 2; The input end direct connection of the rear end of the input shaft of electrical generator 2 and power-transfer clutch 3; The front end direct connection of the output shaft of the mouth of power-transfer clutch 3 and electrical motor 4; The rear end of the output shaft of electrical motor 4 is connected to diff 8 on the back axle by transmission shaft 7.Do not have change speed gear box in the system, eliminated the mechanical wear of change speed gear box.
The control system 5 of present embodiment comprises: microprocessing unit 5A, inverter circuit 5B to electrical motor 4 electric energy transmittings, rectifying circuit 5C to closed-centre system 6 electric energy transmittings, the energy management module 5D of control electric energy generated, and accept from the status signal of electronlmobil each component sensors 1A, 4A with the imput output circuit 5E that is connected power element.Fig. 4 is the logic theory block scheme of control system 5.
Closed-centre system 6 can adopt chargeable battery, also can adopt the combination of super capacitor or battery and super capacitor.Closed-centre system 6 is mainly used to the store regenerated electric energy and a small amount of electric weight of the adjustment electric energy balance that provided by electrical generator 4, and provides direct supply for the inverter circuit 5B of control system 5.
Power-transfer clutch adopts Ortlinghaus plate clutch, and the moment of torsion between combustion engine 1 and the electrical motor 4 is by the friction lining transmission or the stack of power-transfer clutch 3.The separation device of friction lining is the electric-controlled pneumatic type structure, by stretching of solenoid directional control valve 32 control cylinders 31, drives the separation or the combination of friction lining.Separation device also can be designed to electric-controlled hydraulic formula structure or electromagnetic type structure.
The principle of work of this coaxial type power system is:
When electronlmobil in starting or during low cruise, the microprocessing unit 5A of control system 5 instruction power-transfer clutch 3 separates.Combustion engine 1 drives electrical generator 2 generatings, and the electric energy that electrical generator 2 sends directly is transferred to the electrical motor 4 in the system.Electrical motor 4 output torques are delivered to diff 8 drive wheels 9 on the back axle by transmission shaft 7, and this moment, system works was in series hybrid mode.Under the polyphone pattern, energy management module 5D is according to the electric weight situation that has stored of closed-centre system, adjust the charging of 2 pairs of closed-centre systems 6 of electrical generator, controlling combustion engine 1 drives the horsepower output of electrical generator 2 generatings, the horsepower input that is consumed with electrical motor 4 powered vehicle and balance each other to closed-centre system 6 electrically-charged power.
When electronlmobil in middle and high when operation speed, 3 combinations of the microprocessing unit 5A of control system 5 instruction power-transfer clutch.The moment of torsion of combustion engine 1 is by bonded assembly electrical generator 2, power-transfer clutch 3 and electrical motor 4 outputs successively on the same axis, is delivered to diff 8 drive wheels 9 on the back axle by transmission shaft 7, and this moment, system works was at combustion engine 1 direct drive dynamic mode.Its rotating speed-moment of torsion relation curve as shown in Figure 6, horizontal coordinate is an output speed among the figure, vertical coordinate is a driving torque.
When electronlmobil needs when more high-power quicken or climbing etc., required additional energy is provided by closed-centre system 6, and the microprocessing unit 5A of control system 5 instructs the power-transfer clutch combination equally.Pass through the output shaft of electrical motor 4 on the same axis this moment except the moment of torsion of combustion engine 1, process transmission shaft 7 is delivered to diff 8 drive wheels 9 on the back axle, and microprocessing unit 5A is according to the information of sensor, instruction closed-centre system 6 provides electric energy by inverter circuit 5B to electrical motor 4, the output torque of electrical motor 4 is on same axis, and also process transmission shaft 7 is delivered to diff 8 drive wheels 9 on the back axle.On same axis, two kinds of moments of torsion superpose fully, and this moment, system works was in hybrid mode in parallel.Rotating speed-moment of torsion relation curve after the torque power stack of combustion engine 1 and electrical motor 4, as shown in Figure 7, horizontal coordinate is an output speed among the figure, vertical coordinate is a driving torque.
Claims (9)
1. the coaxial type power system that is used for mixed power electric car comprises combustion engine (1), electrical generator (2), power-transfer clutch (3), electrical motor (4), control system (5) and closed-centre system (6), it is characterized in that:
Described combustion engine (1) is installed on the same axis successively with described electrical generator (2), described power-transfer clutch (3) and described electrical motor (4), combustion engine (1) is connected with electrical generator (2) through-coupling, is in transmission connection by power-transfer clutch (3) between electrical generator (2) and the electrical motor (4);
Need start to walk and low cruise at electronlmobil, control system (5) instruction power-transfer clutch (3) separates, and combustion engine (1) drives electrical generator (2) generating, obtains electrical motor (4) output torque of electric energy from electrical generator (2), powered vehicle is travelled, and constitutes series connection type hybrid power system this moment;
Need middle and high speed operation at electronlmobil, the combination of control system (5) instruction power-transfer clutch (3), the moment of torsion of combustion engine (1) is by bonded assembly electrical generator (2), power-transfer clutch (3) and electrical motor (4) transmission output successively on the same axis, powered vehicle is travelled, and constitutes combustion engine direct drive power system this moment;
Need quicken or climbing etc. needs more high-power at electronlmobil, the combination of control system (5) instruction power-transfer clutch (3), the moment of torsion of combustion engine (1) and the moment of torsion that obtains the electrical motor (4) of electric energy from closed-centre system (6), by same axis stack back output, powered vehicle is travelled, and constitutes parallel connection type hybrid power system this moment.
2. coaxial type power system according to claim 1, it is characterized in that: described control system (5) comprises the microprocessing unit (5A) of handling various information, closed-centre system (6) is to the inverter circuit (5B) of electrical motor (4) electric energy transmitting, electrical generator (2) is to the rectifying circuit (5C) of closed-centre system (6) electric energy transmitting, the energy management module (5D) of control electric energy generated, and accept each sensor signal and the imput output circuit that is connected power element (5E).
3. coaxial type power system according to claim 2, it is characterized in that: under the series hybrid pattern, horsepower output and the horsepower input of electrical motor (4) and the charge power balance of closed-centre system (6) of electrical generator (2) adjusted, controlled to described energy management module (5D) according to the existing electric weight situation of closed-centre system (6).
4. coaxial type power system according to claim 2 is characterized in that: described electrical generator (2) is mag-dynamo, asynchronous generator or synchronous electric generator.
5. coaxial type power system according to claim 2 is characterized in that: when the starting state of combustion engine (1), described electrical generator (2) is converted to electric motor mode, is used for starting apparatus combustion engine (1).
6. coaxial type power system according to claim 2 is characterized in that: described electrical motor (4) is converted to generator mode at electronlmobil descending, deceleration and glancing impact, and the electric energy of regeneration is stored in closed-centre system (6) by control system (5).
7. coaxial type power system according to claim 6, it is characterized in that: described electrical motor (4) is turned round asynchronous dynamo or permanent magnet motor for the three-phase alternating current frequency conversion becomes, and the inverter circuit (5B) of control system (5) provides the voltage and current that adapts according to the rotating speed-torque characteristics of electrical motor (4).
8. coaxial type power system according to claim 2 is characterized in that: described closed-centre system (6) is the combination of chargeable battery, super capacitor or battery and super capacitor.
9. coaxial type power system according to claim 2 is characterized in that: described power-transfer clutch (3) separates friction lining dry type clutch or oil bath liquid clutch for ecp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620016420XU CN200984966Y (en) | 2006-12-12 | 2006-12-12 | Coaxial type power system for mixed power electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620016420XU CN200984966Y (en) | 2006-12-12 | 2006-12-12 | Coaxial type power system for mixed power electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN200984966Y true CN200984966Y (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620016420XU Expired - Fee Related CN200984966Y (en) | 2006-12-12 | 2006-12-12 | Coaxial type power system for mixed power electric automobile |
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| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452389A (en) * | 2010-12-29 | 2012-05-16 | 郭革委 | Electric-power assisted automobile |
| CN101564985B (en) * | 2008-06-30 | 2012-12-19 | 罗治辉 | Electricity generating and energy storing system for hybrid vehicle |
| CN103057394A (en) * | 2012-12-12 | 2013-04-24 | 宁波吉江汽车制造有限责任公司 | Front-engine parallel hybrid power bus |
| CN104648172A (en) * | 2015-02-03 | 2015-05-27 | 刘岩 | Gasoline-electric hybrid conversion speed change device for prolonging driving mileage of motor vehicle |
| CN111252064A (en) * | 2018-11-30 | 2020-06-09 | 湖南中车时代电动汽车股份有限公司 | Hybrid vehicle control method and system |
| CN113056623A (en) * | 2018-11-19 | 2021-06-29 | 舍弗勒技术股份两合公司 | Method for determining a characteristic variable of a clutch during operation of a generator |
-
2006
- 2006-12-12 CN CNU200620016420XU patent/CN200984966Y/en not_active Expired - Fee Related
Cited By (8)
| 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 |
| CN102452389A (en) * | 2010-12-29 | 2012-05-16 | 郭革委 | Electric-power assisted automobile |
| CN103057394A (en) * | 2012-12-12 | 2013-04-24 | 宁波吉江汽车制造有限责任公司 | Front-engine parallel hybrid power bus |
| CN104648172A (en) * | 2015-02-03 | 2015-05-27 | 刘岩 | Gasoline-electric hybrid conversion speed change device for prolonging driving mileage of motor vehicle |
| CN104648172B (en) * | 2015-02-03 | 2016-11-30 | 刘岩 | Oil electricity mixing conversion speed change gear and the control method of oil electricity mixing conversion speed change gear |
| CN113056623A (en) * | 2018-11-19 | 2021-06-29 | 舍弗勒技术股份两合公司 | Method for determining a characteristic variable of a clutch during operation of a generator |
| CN111252064A (en) * | 2018-11-30 | 2020-06-09 | 湖南中车时代电动汽车股份有限公司 | Hybrid vehicle control method and system |
| CN111252064B (en) * | 2018-11-30 | 2022-03-15 | 湖南中车时代电动汽车股份有限公司 | Hybrid vehicle control method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA ENVIROPOWER CO., LTD Free format text: FORMER OWNER: LUO ZHONGZHU Effective date: 20100625 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518052 6TH FLOOR, NO.16, XINWUFANG, NANYUAN VILLAGE, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 SOUTH SEGMENT, 3RD FLOOR, NO. 4 WORKSHOP, TONGFUYU INDUSTRIAL VILLAGE, TONGSHENG COMMUNITY, DALANG STREET, BAO AN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100625 Address after: 518000, Guangdong, Shenzhen Province, Baoan District large wave street, Tong Sheng community with the rich industrial Village No. 4 workshop, third layers of South compartment Patentee after: Shenzhen Central Power Co., Ltd. Address before: 518052 Guangdong city of Shenzhen province Nanshan District Nanyuan village new five square No. ten six floor Patentee before: Luo Zhongzhu |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20141212 |
|
| EXPY | Termination of patent right or utility model |