CN206306825U - The dynamical system of hybrid vehicle - Google Patents
The dynamical system of hybrid vehicle Download PDFInfo
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- CN206306825U CN206306825U CN201621197076.9U CN201621197076U CN206306825U CN 206306825 U CN206306825 U CN 206306825U CN 201621197076 U CN201621197076 U CN 201621197076U CN 206306825 U CN206306825 U CN 206306825U
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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
- Y02T10/62—Hybrid vehicles
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- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The utility model provides a kind of dynamical system of hybrid vehicle, including engine, speed changer, clutch, power-interruption device, power output shaft and motor.Power-interruption device is arrangement of clutch, brake or synchronizer, is connected between the output end of speed changer and power output shaft, is transmitted with the power of power output shaft for the output end of engagement or open slew device.Quiet car engine quickly start or vehicle parking generating state under, power-interruption device is remained off, and clutch remains engaged with state, and engine intercouples with the power of motor, realize quiet car engine quickly start, generating of stopping；When under shift of transmission state, power-interruption device remains engaged with state, and motor provides compensation moment of torsion, it is possible to achieve without torque break gearshift, and the utility model can simultaneously realize that quiet car engine quickly starts, generatings of stop, crawling generating and shifted gears without torque break.
Description
Technical field
The utility model is related to Development of HEV Technology field, more particularly to a kind of dynamical system of hybrid vehicle
System.
Background technology
With oil consumption and increasingly strict, economy and discharge performance the needs constantly lifting of automobile of Abgasgesetz.Mixing
Power vehicle as effective, the reliable new-energy automobile solution of one kind, with stronger energy-conservation, emission reduction ability and wide
Market prospects.
At present, two classes are divided into using single motor fixed shaft type parallel connection type hybrid power system of automatic transmission, the first kind is electricity
Machine is arranged between engine and speed changer, and motor decoupled by clutch and engine (clutch disconnects, motor with start
Machine separate) hybrid power system (hereinafter referred to as P2 types dynamical system), Equations of The Second Kind be motor be arranged on speed changer and differential
Hybrid power system (hereinafter referred to as P3 types dynamical system) between device.As shown in figure 1, in P2 type dynamical systems, motor
20 are arranged between engine 10 and speed changer 30, and are decoupled with engine 10 by clutch 40, and the torque of motor 20 passes through
Clutch 41 is exported to power output shaft 50 with speed changer 30, and the connected with differential 60 of power output shaft 50 transmits torque to A cars
Wheel 70 and B wheels 71, the requirement to motor peak power and torque is relatively low, while motor working efficiency gets a promotion, but by
Transmission input is arranged in motor, there are problems that torque break during gearshift, and, the axial arranged space of P2 type dynamical systems
Limited, power of motor is smaller.As shown in Fig. 2 in P3 type dynamical systems, motor 20 is arranged on the output end of speed changer 30, become
When fast device 30 is shifted gears, motor 20 provides compensation moment of torsion, it is possible to achieve without torque break gearshift, but, P3 type dynamical systems cannot
The quick engine that starts is with parking generating under realizing vehicle stationary state.
Accordingly, it would be desirable to design it is a kind of can both realize the quiet car of engine quickly start and parking generate electricity, again realize without moment of torsion
Interrupt the actuating unit of gearshift.
Utility model content
The purpose of this utility model is to provide a kind of dynamical system of hybrid vehicle, is passed with solving existing power
Dynamic device cannot simultaneously realize that the quiet car of engine quickly starts, stopping generates electricity and the problem without torque break gearshift.
In order to solve the above technical problems, the utility model provides a kind of dynamical system of hybrid vehicle, the mixing
The dynamical system of power vehicle includes engine, speed changer, clutch, power-interruption device, power output shaft and motor, its
In：
The engine is used to provide torque for the dynamical system of the hybrid vehicle；
The speed changer includes input and output end, the power of the dynamical system for controlling the hybrid vehicle
Output；
The clutch is connected between the input of the engine and the speed changer, for separating the engine
With the input of the speed changer；
The power-interruption device is connected between the output end of the speed changer and the power output shaft；
Described in the motor connection between the output end of speed changer and the power-interruption device, for output torque and hair
Electricity.
Optionally, in the dynamical system of described hybrid vehicle, the power-interruption device is arrangement of clutch, system
Dynamic device or synchronizer.
Optionally, in the dynamical system of described hybrid vehicle, the power-interruption device is in the speed changer
State is remained engaged with shift process.
Optionally, in the dynamical system of described hybrid vehicle, the power-interruption device is in the engine
Remained off in quiet car start-up course.
Optionally, in the dynamical system of described hybrid vehicle, the power-interruption device is stopped in the vehicle
Remained off in car power generation process.
In the dynamical system of the hybrid vehicle that the utility model is provided, power-interruption device is connected to speed changer
Between output end and power output shaft, the output end of engagement and open slew device is transmitted with the power of power output shaft.Starting
Under the quiet car startup of machine or vehicle parking generating state, power-interruption device disconnects, clutch engagement, the power of engine and motor
Intercouple, realize that quick startup, parking generate electricity；When under shift of transmission state, power-interruption device engagement, motor provides benefit
Repay moment of torsion, it is possible to achieve without torque break gearshift, can simultaneously realize that quick startup, parking generate electricity and without torque break gearshift.
The dynamical system that the utility model remains existing P3 types hybrid vehicle can realize that power failure-free is shifted gears
Advantage, while the quick quiet car of engine under realizing vehicle stationary state starts and vehicle parking generates electricity, improve existing
The performance of single motor fixed shaft type parallel hybrid electric transmission device.
Hybrid transmissions of the present utility model on the basis of traditional automatic transmission only by increasing a power
Interruption means, can effectively break away from automatic transmission (hereinafter referred to as AT) and double-clutch automatic gearbox is (hereinafter referred to as
The technical bottleneck such as DCT).Compared with the hybrid power system using AT/DCT as transmission device, integrated difficulty is low, increases cost
It is small.
Brief description of the drawings
Fig. 1 is existing hybrid vehicle P2 types actuating unit structure chart；
Fig. 2 is existing hybrid vehicle P3 types actuating unit structure chart；
Fig. 3 is the power system architecture figure of the hybrid vehicle of the utility model embodiment one；
Fig. 4 is the dynamical system schematic diagram of the hybrid vehicle of the utility model embodiment one, two and three；
Shown in figure：10- engines；20- motors；30- speed changers；31- inputs；32- output ends；33-A keeps off input shaft
Gear；34-B keeps off input shaft gear；35-A keeps off and B keeps off handoff synchronizer；36-A keeps off output shaft gear；37-B keeps off output shaft tooth
Wheel；40- clutches；50- power output shafts；60- differential mechanisms；70-A wheels；71-B wheels；80- power-interruption devices.
Specific embodiment
Below in conjunction with accompanying drawing 3~4 and specific embodiment to the utility model proposes hybrid vehicle dynamical system
It is described in further detail.According to following explanation and claims, advantages and features of the present utility model will become apparent from.Need
Bright, accompanying drawing in the form of simplifying very much and uses non-accurately ratio, is only used to conveniently, lucidly aid in illustrating
The purpose of the utility model embodiment.
Core concept of the present utility model is to provide a kind of dynamical system of hybrid vehicle, to realize realizing simultaneously
The quiet car of engine quickly starts, stopping generates electricity and without torque break gearshift.
To realize above-mentioned thought, the utility model provides a kind of dynamical system of hybrid vehicle, including engine,
Speed changer, clutch, power-interruption device, power output shaft and motor.
<Embodiment one>
In two kinds of situation, stationary vehicle one kind is driving to engine start when one kind is quiet car startup, i.e. engine start
Start, i.e., the engine start of (motor driving) in vehicular motion.The engine start state being related in the present embodiment refers to
Engine start during stationary vehicle.
Parking described in the present embodiment generates electricity, refer to vehicle under dead ship condition, engine generates electricity single with motor composition
Unit charges for battery.When engine is shut down, vehicle is likely to be in pure motorized motions state, i.e., only by motor-driven vehicle, no
Suitable for the present embodiment.
As shown in figure 3, Fig. 3 is the power system architecture figure of the hybrid vehicle of the utility model embodiment one, this implementation
Example provides a kind of dynamical system 1 of hybrid vehicle, and the dynamical system 1 of hybrid vehicle includes engine 10, speed change
Device 30, clutch 40, power-interruption device 80, power output shaft 50 and motor 20, wherein：Engine 10 is used to be hybrid power
The dynamical system 1 of automobile provides torque；The speed changer 30 includes input 31 and output end 32, and speed changer 30 is used to control to mix
Close the size of the power output of the dynamical system 1 of power vehicle, i.e. speed and torque output；Clutch 40 is connected to engine 10
And the input 31 of speed changer 30 between, the input 31 of escape engine 10 and speed changer 30 during for shifting gears；Power interruption
Device 80 is connected between the output end 32 of speed changer 30 and power output shaft 50, for engagement or the output of open slew device 30
Transmitted with the power of power output shaft 50 at end 32；Output end 32 and the power-interruption device 80 of the connection speed changer 30 of motor 20 it
Between, for output torque and generating；Power output shaft 50 exports the torque of actuating unit 1 to differential mechanism 60, and by difference
Fast device 60 passes to A wheels 70 and B wheels 71, to realize the operation of automobile.
As shown in figure 4, Fig. 4 is the dynamical system schematic diagram of the hybrid vehicle of the utility model embodiment one.Wherein, become
Fast device 30 includes A gear input shaft gear 33, B gear input shaft gear 34, A gears with B gear handoff synchronizer 35, A gear output shaft gears
36 and B keeps off output shaft gear 37.
Power-interruption device 80 can be arrangement of clutch, brake or synchronizer, such as dog-clutch, dry clutch,
Wet clutch etc., as long as the break-make of moment of torsion can be realized.
Power-interruption device 80 remains engaged with state in the shift process of speed changer 30.So that A gears change B gears as an example：Before gearshift,
Speed changer 30 is kept off in A, and clutch 40 is engaged, and A gears and B gear handoff synchronizers 35 are engaged with A gear input shaft gears 33, power interruption
Device 80 is engaged；After speed changer 30 in the dynamical system of hybrid vehicle receives shifting commands, speed changer 30 is shifted gears
Operation, wherein, the speed changer carries out gear shift operation and is disconnected including clutch 40, and (A keeps off and B gears handoff synchronizer 35 and A to pluck gear
Gear input shaft gear 33 is separated), put into gear (A is kept off and B gear handoff synchronizers 35 are engaged with B gear input shaft gears 34), last clutch
The engagement of device 40 completes gearshift.It is fully engaged during this section to clutch 40 since clutch 40 is separated, the power of engine 10
In the presence of interruption, the torque of motor 20 passes to wheel, i.e. motor by power-interruption device 80, power output shaft 50, differential mechanism 60
20 in above-mentioned whole shift process to the output torque of power output shaft 50, by exporting compensation moment of torsion, it is possible to achieve unpowered
Gearshift is interrupted, smooth gear shifting is improved.
Power-interruption device 80 is remained off in the quiet car start-up course of engine 10.Engine in the present embodiment
Quiet car start-up course refer to the process of engine speed from the zero to certain nonzero value, for the engine, starting-up process refers to car to pin
The fast process from the zero to certain nonzero value, for vehicle.It refers to just vehicle start that the quiet car of engine in the present embodiment starts
Preceding engine starting process, i.e., when speed is zero, the start-up course of engine.
When stationary vehicle and relatively low battery electric quantity, then the dynamical system of hybrid vehicle will receive the quiet car of engine and open
Dynamic demand, now the quiet car of engine 10 quickly start scheme and be：Power-interruption device 80 is separated, and clutch 40 is engaged, motor
20 quickly start engine 10 by power-assisted.
Power-interruption device 80 is remained off in vehicle parking power generation process.When vehicle parking generates electricity, power
Interruption means 80 is separated, and clutch 40 is engaged, and the torque of engine 10 passes to motor 20 by clutch 40 and speed changer 30,
Motor 20 is operated in generator mode, generator unit is constituted for battery charges with engine 10.
The existing P3 types hybrid transmissions that the present embodiment solves described in above-mentioned background technology face not
Foot, the utility model proposes a kind of power vehicle transmission device 1 as shown in Figure 3 and Figure 4, i.e., in existing P3 types hybrid power
On the basis of transmission device, a power-interruption device 80, control electricity are increased near one end of differential mechanism 60 in power output shaft 50
Machine 20 so as to both maintain the advantage without torque break gearshift, is realized again to the break-make of the power transmission line of wheel 70 (71)
The quick startup of engine and parking generate electricity under vehicle stationary state.
<Embodiment two>
The hybrid electric vehicle power drive method of the present embodiment comprises the following steps：The power of the hybrid vehicle
System receives the quiet car of engine and starts or vehicle parking power generation command；In power in the dynamical system of the hybrid vehicle
Disconnected device 80 disconnects；Clutch 40 in the dynamical system of the hybrid vehicle is engaged；The hybrid vehicle it is dynamic
Motor 20 in Force system generates electricity or output torque；The dynamical system of the hybrid vehicle complete the quiet car of engine start or
Vehicle parking generates electricity.
In two kinds of situation, one kind is that quiet car starts to engine start, i.e., engine start when stationary vehicle；One kind is driving
Start, i.e., the engine start of (motor driving) in vehicular motion.The engine start state being related in the present embodiment refers to
Engine start during stationary vehicle.
Parking described in the present embodiment generates electricity, refer to vehicle under dead ship condition, engine generates electricity single with motor composition
Unit charges for battery.When engine is shut down, vehicle is likely to be in pure motorized motions state, i.e., only by motor-driven vehicle, no
Suitable for the present embodiment.
Further, the hybrid electric vehicle power drive method in the present embodiment is used in the quiet car start-up course of engine
And in vehicle parking power generation process.The quiet car start-up course of engine in the present embodiment refers to engine speed from the zero to certain non-zero
The process of value, pin for the engine, starting-up process refer to the process of speed from the zero to certain nonzero value, for vehicle.This
The quiet car startup of engine in embodiment refers to just the engine starting process before vehicle start, i.e., when speed is zero, engine
Start-up course.
When stationary vehicle and relatively low battery electric quantity, if vehicle receives starting demand, the dynamical system of hybrid vehicle
System will receive startup demand, and engine 10 receives the quick enabled instruction of quiet car, and power-interruption device 80 disconnects and keeps the state,
Clutch 40 is engaged and keeps the state, and motor 20 is by the way that to the output torque of engine 10, power-assisted quickly starts engine 10, directly
Quiet car is completed to engine 10 to start.
In vehicle parking power generation process, the dynamical system of hybrid vehicle receives vehicle parking power generation command, in power
Disconnected device 80 disconnects and keeps the state.When vehicle parking generates electricity, the output torque of engine 10, power-interruption device 80 is separated simultaneously
The state is kept, clutch 40 is engaged and keeps the state, the output torque of engine 10 passes through clutch 40 and speed changer 30
Motor 20 is passed to, motor 20 is operated in generator mode, generator unit is constituted for battery charges with engine 10, until complete
Into vehicle parking power generation process.
Further, hybrid electric vehicle power drive method also includes：In the dynamical system of the hybrid vehicle
Power-interruption device be converted to cunning from off-state and rub state.Now power-interruption device is dry clutch or wet type clutch
Device, vehicle is converted to crawling state, the electric power generation in the dynamical system of hybrid vehicle by parking generating state.
When vehicle is relatively low in crawling operating mode, and battery electric quantity, the hybrid vehicle is in crawling power generation mode.It is compacted
Row generate electricity, i.e., congestion in road when, when and generatings of stopping, when and low speed move ahead, vehicle parking generate electricity and crawling both of which it
Between switch, while require parking power generation mode can be switched fast to crawling pattern.Do not have for synchronizer, dog-clutch etc.
Sliding rub state, only " logical ", the power-interruption device of " disconnected " two states, it is impossible to realize that crawling generates electricity；For in the presence of the sliding shape that rubs
For the power-interruption device of state, such as dry clutch and wet clutch, it is possible to achieve crawling generates electricity.Specifically, car is worked as
When parking generates electricity, power-interruption device 80 is separated, and clutch 40 is engaged, the output torque of engine 10 by clutch 40 and
Speed changer 30 passes to motor 20, motor 20 is operated in generator mode, and generator unit is constituted for battery fills with engine 10
Electricity.When from parking power generation mode to crawling pattern switching, power-interruption device 80 is converted to sliding rub state, motor torque one
Part passes to motor and is generated electricity (path is identical when being generated electricity with above-mentioned parking), and a part is by shift clutch 40, speed change
Case input shaft 31, gearbox 30, output shaft of gear-box 32, power-interruption device 80, power output shaft 50, differential mechanism 60, output
To wheel 70.According to vehicle demand, motor torque can pass to motor and be generated electricity with a part, and a part is exported to car
Wheel, it is also possible to all export to wheel.During crawling, cunning may be kept to rub, and (power interruption is filled state power-interruption device
Front and rear speed discrepancy is put to be not zero), it is also possible to (speed discrepancy is zero before and after power-interruption device to be changed into engagement state from the sliding state of rubbing
When).
<Embodiment three>
Difference with embodiment two is that the hybrid electric vehicle power drive method of the present embodiment is changed for speed changer 30
During gear.
Hybrid electric vehicle power drive method in the present embodiment comprises the following steps：The hybrid vehicle it is dynamic
Speed changer 30 in Force system receives shifting commands；Speed changer 30 in the dynamical system of the hybrid vehicle is shifted gears
Operation, wherein, the speed changer 30 carries out gear shift operation and is disconnected including clutch 40, and (A keeps off and B keeps off handoff synchronizer 35 to pluck gear
Separated with current shift gear 33), put into gear (A is kept off and B gear handoff synchronizers 35 are engaged with target gear gear 34), clutch 40
Engagement；Power-interruption device 80 in the dynamical system of the hybrid vehicle is in the hybrid electric vehicle power transmission side
State is remained engaged with shift process in method；Motor 20 in the dynamical system of the hybrid vehicle was shifted gears above-mentioned
To the output torque of power output shaft 50 in journey.
So that A gears change B gears as an example：Before gearshift, speed changer 30 is kept off in A, and clutch 40 is engaged, and A gears and B keep off handoff synchronizer 35
Engaged with A gear input shaft gears 33, power-interruption device 80 is engaged；Speed changer 30 in the dynamical system of hybrid vehicle is received
To after shifting commands, speed changer 30 carries out gear shift operation, wherein, it is disconnected including clutch 40 that the speed changer carries out gear shift operation
Open, pluck gear (A is kept off and B gear handoff synchronizers 35 are separated with A gear input shaft gears 33), putting into gear, (A keeps off and B keeps off handoff synchronizer 35
Engaged with B gear input shaft gears 34), the engagement of last clutch 40 completes gearshift.To clutch 40 since clutch 40 is separated
It is fully engaged during this section, the power of engine 10 has interruption, because power-interruption device 80 is protected all the time in shift process
Engagement state is held, so the torque of motor 20 is by power-interruption device 80, power output shaft 50, differential mechanism 60 passes to car
Wheel, i.e. motor 20, to the output torque of power output shaft 50, moment of torsion, Ke Yishi are compensated by exporting in above-mentioned whole shift process
Existing power failure-free gearshift, improves smooth gear shifting.If before gearshift, power-interruption device 80 is the state for disconnecting, then should
This engages power-interruption device 80 first, then is shifted gears.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, due to corresponding to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the utility model scope
Calmly, the those of ordinary skill in the utility model field does according to the disclosure above content any change, modification, belonging to right will
Seek the protection domain of book.
Claims (5)
1. a kind of dynamical system of hybrid vehicle, it is characterised in that the dynamical system of the hybrid vehicle includes hair
Motivation, speed changer, clutch, power-interruption device, power output shaft and motor, wherein：
The engine is used to provide torque for the dynamical system of the hybrid vehicle；
The speed changer includes input and output end, defeated for controlling the power of dynamical system of the hybrid vehicle
Go out；
The clutch is connected between the input of the engine and the speed changer, for separating the engine and institute
State the input of speed changer；
The power-interruption device is connected between the output end of the speed changer and the power output shaft；
Described in the motor connection between the output end of speed changer and the power-interruption device, for output torque and generating.
2. the dynamical system of hybrid vehicle as claimed in claim 1, it is characterised in that the power-interruption device be from
Attach together put, brake or synchronizer.
3. the dynamical system of hybrid vehicle as claimed in claim 1, it is characterised in that the power-interruption device is in institute
State and remain engaged with state during shift of transmission.
4. the dynamical system of hybrid vehicle as claimed in claim 1, it is characterised in that the power-interruption device is in institute
State and remain off in the quiet car start-up course of engine.
5. the dynamical system of hybrid vehicle as claimed in claim 1, it is characterised in that the power-interruption device is in institute
State and remain off in vehicle parking power generation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621197076.9U CN206306825U (en) | 2016-10-26 | 2016-10-26 | The dynamical system of hybrid vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621197076.9U CN206306825U (en) | 2016-10-26 | 2016-10-26 | The dynamical system of hybrid vehicle |
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| CN206306825U true CN206306825U (en) | 2017-07-07 |
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ID=59245412
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106608178A (en) * | 2016-10-26 | 2017-05-03 | 联合汽车电子有限公司 | A power system for a hybrid vehicle and a power transmission method thereof |
| CN111196150A (en) * | 2018-11-19 | 2020-05-26 | 上海汽车集团股份有限公司 | Automatic gearbox and automobile power system |
| CN112537195A (en) * | 2020-12-17 | 2021-03-23 | 联合汽车电子有限公司 | Hybrid electric vehicle power system and transmission method thereof |
-
2016
- 2016-10-26 CN CN201621197076.9U patent/CN206306825U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106608178A (en) * | 2016-10-26 | 2017-05-03 | 联合汽车电子有限公司 | A power system for a hybrid vehicle and a power transmission method thereof |
| CN111196150A (en) * | 2018-11-19 | 2020-05-26 | 上海汽车集团股份有限公司 | Automatic gearbox and automobile power system |
| CN111196150B (en) * | 2018-11-19 | 2022-04-12 | 上海汽车集团股份有限公司 | Automatic gearbox and automobile power system |
| CN112537195A (en) * | 2020-12-17 | 2021-03-23 | 联合汽车电子有限公司 | Hybrid electric vehicle power system and transmission method thereof |
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