CN204055309U - Single-axle parallel hybrid mechanism - Google Patents

Single-axle parallel hybrid mechanism Download PDF

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Publication number
CN204055309U
CN204055309U CN201420369412.8U CN201420369412U CN204055309U CN 204055309 U CN204055309 U CN 204055309U CN 201420369412 U CN201420369412 U CN 201420369412U CN 204055309 U CN204055309 U CN 204055309U
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self
drive motor
acting clutch
driving engine
gear box
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CN201420369412.8U
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韩尔樑
于钦江
耿丽珍
桂经良
陈温国
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

Abstract

The utility model relates to a kind of single-axle parallel hybrid mechanism, it comprises driving engine, AMT change speed gear box, drive motor, transmission shaft and drive axle, the first self-acting clutch is connected between the output shaft of driving engine and the input shaft of AMT change speed gear box, the output shaft of AMT change speed gear box is connected with the input shaft of drive motor, the second self-acting clutch is connected between the output shaft of drive motor and the power intake of transmission shaft, the clutch end of transmission shaft is connected with drive axle, drive motor is electrically connected with electric machine controller, electric machine controller is electrically connected with electrokinetic cell, driving engine, first self-acting clutch, AMT change speed gear box, second self-acting clutch, electric machine controller and electrokinetic cell are all electrically connected with entire car controller.Power interruption problem when the utility model can solve AMT gearbox gear-shift and engine high-efficiency district can be made full use of, effects of energy saving and emission reduction is good.

Description

Single-axle parallel hybrid mechanism
Technical field
The utility model relates to the drive system field of hybrid electric vehicle, specifically a kind of single-axle parallel hybrid mechanism.
Background technology
Hybrid electric vehicle is as a kind of new-energy automobile, and it has merged the advantage of fuel-engined vehicle and pure electric automobile, and its propulsion source comprises driving engine and drive motor, and the drive form of existing hybrid electric vehicle is divided into series, parallel and series-parallel connection three kinds of forms.
The utility model is mainly for the drive form of single shaft parallel connection, be called " coaxial parallel-connection formula hybrid power assembly " in name, the patent No. is in the Chinese utility model patent of 201220682189.3, dynamic assembly comprises driving engine, power-transfer clutch, change-speed box, drive motor, elastic coupling, super capacitor group and control system, super capacitor provides the electric power of drive motor and super capacitor utilizes the charging unit in control system to charge, and charging unit can be electrically connected with city.In above-mentioned single shaft parallel type hybrid power assembly, driving engine, power-transfer clutch, change-speed box, elastic coupling and drive motor are installed on the same axis, power-transfer clutch is arranged between driving engine and change-speed box, elastic coupling is for the input shaft of the output shaft and drive motor that connect change-speed box, the mouth connection for transmission axle of drive motor, transmission shaft drives vehicle wheel rotation by drive axle.This kind of connection structure form can not realize driven by engine motor under vehicle idling state to the charging of closed-center system, energy regenerating when electric energy can only derive from external power charging or brake, significantly limit this kind of single shaft parallel system using and promoting at vehicle.Meanwhile, the dynamic assembly of this kind of structure can not utilize the efficient district of driving engine to carry out work fully, and effects of energy saving and emission reduction is bad, especially in the mixed dynamic power bus in city, can not make full use of the efficient district of driving engine when traffic light time and vehicle underload.In addition, in the hybrid power assembly using AMT change speed gear box, gear shift gap there will be power interruption phenomenon, and existing hybrid power assembly cannot solve power interruption problem during gear shift.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of power interruption problem when can solve AMT gearbox gear-shift and can makes full use of engine high-efficiency district, single-axle parallel hybrid mechanism that effects of energy saving and emission reduction is good.
For solving the problems of the technologies described above, single-axle parallel hybrid mechanism of the present utility model comprises driving engine, AMT change speed gear box, drive motor, transmission shaft and drive axle, its constructional feature connects the first self-acting clutch between the output shaft of described driving engine and the input shaft of AMT change speed gear box, the mouth of AMT change speed gear box is connected with the input shaft of drive motor, the second self-acting clutch is connected between the output shaft of drive motor and the power intake of transmission shaft, the clutch end of transmission shaft is connected with drive axle, drive motor is electrically connected with electric machine controller, electric machine controller is electrically connected with electrokinetic cell.
Described driving engine, the first self-acting clutch, AMT change speed gear box, the second self-acting clutch, electric machine controller and electrokinetic cell are all electrically connected with entire car controller.
Adopt said structure, the first self-acting clutch is for connecting or disconnecting the power connection between driving engine and AMT change speed gear box, and second clutch is connected with the power between drive motor for connecting or disconnecting AMT change speed gear box.Transmission shaft be connected transferring power mechanical with drive axle, power is finally passed to drive wheel vehicle and travels by drive axle.Wherein, electric machine controller can determine whether the electric energy stored in electrokinetic cell is converted into mechanical energy through drive motor according to the instruction of entire car controller, also can reclaim according to the braking energy of the instruction of entire car controller to vehicle and mechanical energy is converted into power storage in electrokinetic cell through drive motor.
Preferably, the clutch end of described drive motor is provided with speed reduction gearing, described second self-acting clutch is connected with the mouth of speed reduction gearing.Speed reduction gearing is preferably planet-gear speed reducer.Speed reduction gearing can play reduction of speed and increase the effect turned round when electrical motor outputting power, allow motor to run under high output speed state.Meanwhile, the effect of speedup can be played when energy regenerating, be more conducive to motor and realize energy regenerating preferably.
Single-axle parallel hybrid mechanism of the present utility model has following several mode of operation:
1) during pure motor driving, first self-acting clutch is separated, and the second self-acting clutch combines, and the electric energy supply drive motor in electrokinetic cell is converted into mechanical energy, mechanical power passes to transmission shaft through the second self-acting clutch and passes to drive axle, finally travels via drive wheel vehicle.
2) time under pure electronic starting to hybrid mode or engine mode, engine starting, the first self-acting clutch closes, driving engine is removed and is forced oil-break state, change-speed box keeps current gear, and drive motor provides drawing torque, to realize the suitable automatic start-up course of driving engine quick flat.
3) when driving engine and drive motor provide moment of torsion jointly, the first self-acting clutch, the second self-acting clutch are all closed, and the electric energy supply drive motor of electrokinetic cell, driving engine also rotates jointly for vehicle provides power simultaneously.
4) when driving engine provides separately moment of torsion, the first self-acting clutch, the second self-acting clutch are all closed, and drive motor does not work, and it only follows output shaft idle running of AMT change speed gear box, can realize driving engine separately for vehicle provides power.
5) during power battery charging, the first self-acting clutch closes, and the second self-acting clutch is separated, and the changes mechanical energy from driving engine is that power storage is in electrokinetic cell as electrical generator by drive motor.
6), during Brake energy recovery: the first self-acting clutch is separated, and the second self-acting clutch closes, control drive motor is that power storage is in electrokinetic cell as the changes mechanical energy of generator drive machine operation drive shaft in future.
Visible, owing to have employed power transmission structure of the present utility model, when vehicle needs gearshift, first self-acting clutch is separated, second self-acting clutch closes, drive motor works, and utilizes the electric energy that stores in electrokinetic cell to provide the power of needs for vehicle, and this state continues up to that AMT gearbox shifting is complete, the first self-acting clutch closes, start function to continue as till vehicle provides power.In whole shift process, there will not be the problem of power interruption when using the vehicle of AMT change speed gear box inevitably to shift gears like this, both can ensure that the dynamic property of car load is ensured, turn improved the traveling comfort of driver and crew.
Meanwhile, when vehicle travels, when especially vehicle is in low speed low load at this moment engine operation in non-efficient district.And adopt the vehicle of mechanism, utilize when the low load of low speed drive motor to carry out the overall load of generating raising vehicle, by the power storage of now drive motor generation in electrokinetic cell, carry out the release of electric energy when needed.
In addition, when especially public transit vehicle is in the state waited traffic lights to vehicle, general vehicle is in idling mode, and driving engine fuel consumption is not done work, and causes the waste of resource and the pollution of air.And the storage adopting the bus of this system that driven by engine drive motor can be utilized to carry out electric energy makes full use of the idling mode of driving engine, make driving engine be in efficient district always, realize the object of energy-saving and emission-reduction.
In sum, power interruption problem when the utility model can solve AMT gearbox gear-shift and engine high-efficiency district can be made full use of, effects of energy saving and emission reduction is good.
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 principle schematic diagram of the utility model wherein a kind of embodiment;
Fig. 2 is the structural principle schematic diagram of the another kind of embodiment of the utility model.
Detailed description of the invention
With reference to accompanying drawing, single-axle parallel hybrid mechanism of the present utility model comprises driving engine 1, AMT change speed gear box 2, drive motor 3, transmission shaft 4 and drive axle 5, the first self-acting clutch 6 is connected between the output shaft of driving engine 1 and the input shaft of AMT change speed gear box 2, the output shaft of AMT change speed gear box 2 is connected with the input shaft of drive motor 3, the second self-acting clutch 7 is connected between the mouth of drive motor 3 and the power intake of transmission shaft 4, the clutch end of transmission shaft 4 is connected with drive axle 5, drive motor 3 is electrically connected with electric machine controller 8, electric machine controller 8 is electrically connected with electrokinetic cell 9.Wherein, driving engine 1, first self-acting clutch 6, AMT change speed gear box 2, second self-acting clutch 7, electric machine controller 8 and electrokinetic cell 9 are all electrically connected with entire car controller 10.
In said structure, the first self-acting clutch 6 connects for connecting or disconnecting power between driving engine 1 and AMT change speed gear box 2, and second clutch 7 is for connect or the power disconnected between AMT change speed gear box 2 with drive motor 3 is connected.Transmission shaft 4 be connected transferring power mechanical with drive axle 5, power is finally passed to drive wheel 11 and drives vehicle to travel by drive axle 5.Wherein, electric machine controller 8 determines whether the electric energy stored in electrokinetic cell 9 is converted into mechanical energy through drive motor 3, also can reclaim according to the braking energy of the instruction of entire car controller 10 to vehicle and mechanical energy is converted into power storage in electrokinetic cell 9 through drive motor 3 according to the instruction of entire car controller 10.
Single-axle parallel hybrid mechanism of the present utility model has following several mode of operation:
1), during pure motor driving, entire car controller 10 controls the first self-acting clutch and is separated, and the second self-acting clutch combines.The electric energy of electrokinetic cell 9 supply drive motor 3 rotates and produces mechanical energy by electric machine controller 8, and mechanical power passes to transmission shaft 4 through the second self-acting clutch 7 and passes to drive axle 5 again, finally drives vehicle to travel via drive wheel 11.
2) time under pure electronic starting to hybrid mode or engine mode, entire car controller 10 controls vehicle to carry out driving engine and automatically starts, entire car controller 10 controls the first self-acting clutch 6 and is in closure state, control driving engine 1 and remove pressure oil-break state, control AMT change speed gear box 2 keeps current gear, control drive motor 3 and provide drawing torque, to realize the suitable automatic start-up course of driving engine quick flat.
3) when driving engine 1 and drive motor 3 provide moment of torsion jointly, entire car controller 10 controls the first self-acting clutch 6, second self-acting clutch 7 and is in closure state, control electric machine controller 8 by the electric energy of electrokinetic cell 9 supply drive motor 3, be converted into mechanical energy, jointly for vehicle provides power.
4) when driving engine provides separately moment of torsion, entire car controller 10 controls the first self-acting clutch 6, second self-acting clutch 7 and is in closure state, control electric machine controller 8 and allow drive motor 3 not work only to follow the output shaft idle running of AMT change speed gear box 2, driving engine 1 can be realized separately for vehicle provides power.
5) when electrokinetic cell 9 charges, entire car controller 10 controls the first self-acting clutch 6 and closes, second self-acting clutch 7 is in released state, controls electric machine controller 8 and allows drive motor 3 be that power storage is in electrokinetic cell 9 as electrical generator by the changes mechanical energy from driving engine 1.
6) during Brake energy recovery: entire car controller 10 controls the first self-acting clutch 6 and is separated, second self-acting clutch 7 closes, and controls electric machine controller 8 and allows drive motor 3 be that power storage is in electrokinetic cell 9 as the changes mechanical energy of electrical generator drive shaft 4 in future.
Visible, owing to have employed power transmission structure of the present utility model, when vehicle needs gearshift, first self-acting clutch 6 is separated, second self-acting clutch 7 closes, drive motor 3 works, and utilizes the electric energy that stores in electrokinetic cell 9 to provide the power of needs for vehicle, this state continue up to AMT change speed gear box 2 shift gears complete, the first self-acting clutch 6 is closed, driving engine 1 can continue as till vehicle provides power.Like this, in whole shift process, there will not be the problem of power interruption when using the vehicle of AMT change speed gear box inevitably to shift gears, both can ensure that the dynamic property of car load is ensured, turn improved the traveling comfort of driver and crew.
Meanwhile, when vehicle travels, when especially vehicle is in low speed low load at this moment engine operation in non-efficient district.And adopt the vehicle of mechanism, when low speed low load, utilization drives electricity, and 3 carry out generating electricity improves the overall load of vehicle, by the power storage of now drive motor generation in electrokinetic cell 9, carries out the release of electric energy when needed.
In addition, when especially public transit vehicle is in the state waited traffic lights to vehicle, general vehicle is in idling mode, and driving engine fuel consumption is not done work, and causes the waste of resource and the pollution of air.And the storage adopting the bus of this system that driven by engine drive motor can be utilized to carry out electric energy makes full use of the idling mode of driving engine, make driving engine be in efficient district always, realize the object of energy-saving and emission-reduction.
Fig. 2 shows another kind of embodiment of the present utility model, and the clutch end of drive motor 3 is provided with speed reduction gearing, and the second self-acting clutch 7 is connected with the mouth of speed reduction gearing.Wherein, speed reduction gearing is preferably planet-gear speed reducer 12.Speed reduction gearing can play reduction of speed and increase the effect turned round when drive motor outputting power, allow drive motor to run under high output speed state, generally, the high-speed state of motor is efficient state, and this kind of mechanism is conducive to motor and runs in efficient district.Meanwhile, the energy when energy regenerating, speed reduction gearing can play the effect of speedup, making the rotating speed of drive motor when using as electrical generator faster, being more conducive to motor and realizing energy regenerating preferably.The motor that can be used as electrical generator use used in the utility model is existing structure, and do not repeat them here, in addition, speed reduction gearing can be made of one structure with motor.
In the utility model, core of the present utility model is mechanical connecting structure and the circuit connection structure of dynamic assembly, instead of a kind of control process or control method.The above-mentioned description to control process is only used to introduce the function and effect that concrete structure brings, and it is interpreted as being a kind of function limitations to concrete structure parts.In the utility model, the control circuit in entire car controller 10 and electric machine controller 8 is prior art, does not repeat them here.
In sum, the utility model is not limited to above-mentioned detailed description of the invention.Those skilled in the art, under the prerequisite not departing from spirit and scope of the present utility model, can do some changes and modification.Protection domain of the present utility model should be as the criterion with claim of the present utility model.

Claims (4)

1. a single-axle parallel hybrid mechanism, comprise driving engine (1), AMT change speed gear box (2), drive motor (3), transmission shaft (4) and drive axle (5), it is characterized in that connecting the first self-acting clutch (6) between the output shaft of described driving engine (1) and the input shaft of AMT change speed gear box (2), the output shaft of AMT change speed gear box (2) is connected with the input shaft of drive motor (3), the second self-acting clutch (7) is connected between the mouth of drive motor (3) and the power intake of transmission shaft (4), the clutch end of transmission shaft (4) is connected with drive axle (5), drive motor (3) is electrically connected with electric machine controller (8), electric machine controller (8) is electrically connected with electrokinetic cell (9).
2. single-axle parallel hybrid mechanism as claimed in claim 1, is characterized in that described driving engine (1), the first self-acting clutch (6), AMT change speed gear box (2), the second self-acting clutch (7), electric machine controller (8) and electrokinetic cell (9) are all electrically connected with entire car controller (10).
3. single-axle parallel hybrid mechanism as claimed in claim 1 or 2, the clutch end that it is characterized in that described drive motor (3) is provided with speed reduction gearing, and described second self-acting clutch (7) is connected with the mouth of speed reduction gearing.
4. single-axle parallel hybrid mechanism as claimed in claim 3, is characterized in that described speed reduction gearing is planet-gear speed reducer (12).
CN201420369412.8U 2014-07-07 2014-07-07 Single-axle parallel hybrid mechanism Active CN204055309U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105539425A (en) * 2015-12-31 2016-05-04 清华大学苏州汽车研究院(吴江) Hybrid power bus AMT optimal economy gear shifting control system and control method
CN106976456A (en) * 2016-01-15 2017-07-25 上海汽车集团股份有限公司 Hybrid-vehicle control method and device
CN108583562A (en) * 2018-04-04 2018-09-28 北京福田戴姆勒汽车有限公司 Shift control method, entire car controller and the vehicle of entire car controller
CN109630670A (en) * 2018-12-25 2019-04-16 苏州绿控传动科技股份有限公司 A method of reducing coaxial parallel-connection AMT hybrid dynamic system shifting power and interrupts
CN112693299A (en) * 2021-03-12 2021-04-23 三一重型装备有限公司 Power system, power system control method and vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105539425A (en) * 2015-12-31 2016-05-04 清华大学苏州汽车研究院(吴江) Hybrid power bus AMT optimal economy gear shifting control system and control method
CN106976456A (en) * 2016-01-15 2017-07-25 上海汽车集团股份有限公司 Hybrid-vehicle control method and device
CN106976456B (en) * 2016-01-15 2019-06-14 上海汽车集团股份有限公司 Hybrid-vehicle control method and device
CN108583562A (en) * 2018-04-04 2018-09-28 北京福田戴姆勒汽车有限公司 Shift control method, entire car controller and the vehicle of entire car controller
CN109630670A (en) * 2018-12-25 2019-04-16 苏州绿控传动科技股份有限公司 A method of reducing coaxial parallel-connection AMT hybrid dynamic system shifting power and interrupts
CN109630670B (en) * 2018-12-25 2020-11-03 苏州绿控传动科技股份有限公司 Method for reducing gear shifting power interruption of coaxial parallel AMT hybrid system
CN112693299A (en) * 2021-03-12 2021-04-23 三一重型装备有限公司 Power system, power system control method and vehicle

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