CN106828073A - Hybrid electric drive system and vehicle - Google Patents
Hybrid electric drive system and vehicle Download PDFInfo
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- CN106828073A CN106828073A CN201510885874.4A CN201510885874A CN106828073A CN 106828073 A CN106828073 A CN 106828073A CN 201510885874 A CN201510885874 A CN 201510885874A CN 106828073 A CN106828073 A CN 106828073A
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- Prior art keywords
- electric drive
- hybrid electric
- motor
- drive system
- clutch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of hybrid electric drive system and vehicle.Hybrid electric drive system includes engine, gearbox, coupling device, main reducing gear, generator, battery and the first motor, gearbox and generator are connected with engine respectively, generator is connected with battery respectively with the first motor, coupling device includes many input shafts and receives many output shafts of the moment of torsion of input shaft transmission, many input shafts include the first input shaft and the second input shaft, first input shaft is connected with gearbox, second input shaft is connected with the first motor, output shaft is connected with main reducing gear, wherein, there is connection status and off-state between engine and output shaft.Engine and the power coupling of the first motor can be overcome the problem that cannot meet power and torque demand present in prior art when changes in demand of the driving cycle change to output torque by hybrid electric drive system of the invention by coupling device.
Description
Technical field
The present invention relates to vehicular field, more particularly to a kind of hybrid electric drive system and vehicle.
Background technology
Sweeper with sweeping road and high and low pressure water pre-washing function, with road surface cleaning quality it is high,
The advantages of not producing airborne dust, can be effectively reduced the labour intensity of sanitationman, in city and height
Fast highway road field of keeping a public place clean is widely used.
Prior art discloses oil electric mixed dynamic sweeper, row of the sweeper under work pattern
Power is sailed by motor-driven, the electric energy needed for motor is provided by generator or battery.It is large-scale
Power demand when power demand of the sweeper when road conditions are climbed to motor is level land road conditions
7-8 times, be 10 of torque demand when level land travels to motor torque demand during climbing road conditions
Times or so.In order to meet climbing road conditions demand, to configure that one high-power and high pulling torque it is electronic
Machine, however most of level land traveling need small-power and small moment of torsion operating mode under, it is high-power and
The electric motor operation efficiency of high pulling torque is low, it is big to take up room, and arrangement is inconvenient.
For problem above, disclose a kind of by motor and hydraulic motor coupling in the prior art
The hybrid power gearbox of the electric cleaning car of conjunction, the gearbox has two input shafts, connects respectively
Connect travel driving motor and hydraulic motor.When electric cleaning car needs less driving power operating mode
When, travel driving motor provides power.When electric cleaning car need travel driving motor provide compared with
During big power, hydraulic motor is started working, with travel driving motor jointly for gearbox is provided
Power.But because the power of hydraulic motor is provided by accumulator, the energy that accumulator is provided is
It is limited, gradually decay, hydraulic motor power can gradually decay, therefore, when high-power work
It is more long the time required to condition, such as when climbing slope long, then this scheme is not just applied to, therefore existing
Traveling road condition change is worked as in scheme presence in technology causes the changes in demand to output torque larger
Shi Wufa meets the problem of power and torque demand.
In addition, there is also motor and liquid by the scheme of motor and the power coupling of hydraulic motor
The big problem of pressure motor Synchronization Control difficulty.
The content of the invention
It is existing to solve it is an object of the invention to provide a kind of hybrid electric drive system and vehicle
Work as row present in the technical scheme for having the power coupling for passing through motor and hydraulic motor in technology
The problem of power demand cannot be met when sailing working conditions change.
To achieve these goals, the first aspect of the present invention provides a kind of hybrid drive train
System, including engine, gearbox, coupling device, main reducing gear, generator, battery and the
One motor, gearbox and generator are connected with engine respectively, and generator and first drives
Motor is connected with battery respectively, and coupling device includes many input shafts and receives many input shafts biographies
The output shaft of the moment of torsion passed, many input shafts include the first input shaft and the second input shaft, first
Input shaft is connected with gearbox, and the second input shaft is connected with the first motor, output shaft and master
Decelerator is connected, wherein, there is connection status and off-state between engine and output shaft.
Further, coupling device includes be arranged between the first input shaft and output shaft first
Clutch.
Further, many input shafts also include the 3rd input shaft, the 3rd input shaft and generator
Connection.
Further, the 3rd input shaft is coaxially disposed with the second input shaft.
Further, generator has connection status and off-state with output shaft.
Further, coupling device includes be arranged between the 3rd input shaft and output shaft second
Clutch.
Further, hybrid electric drive system includes the 3rd clutch, and generator and first drive
Connected by the 3rd clutch between dynamic motor.
Further, transmitted by gear between each input shaft and output shaft of coupling device and turned round
Square.
Further, hybrid electric drive system also includes the second motor, wherein, second
Motor is coaxially connected with the first motor；Or multiple input shafts also include the 4th input
Axle, the second motor is connected with the 4th input shaft.
Further, hybrid electric drive system includes the 4th clutch, engine and gearbox
Connected by the 4th clutch.
Further, there is connection status and off-state between generator and engine.
Further, hybrid power system also includes the 5th clutch, and generator leads to engine
Cross the connection of the 5th clutch.
Further, hybrid power system also include operating system and transfer case, operating system and
Generator is connected by transfer case with the 5th clutch respectively.
Further, hybrid power system also includes the 6th clutch, and generator leads to transfer case
Cross the connection of the 6th clutch.
Further, hybrid power system also includes Full-power takeoff, the 5th clutch and hair
Motivation is connected by Full-power takeoff.
Further, hybrid electric drive system also includes electric machine controller, generator and first
Motor is connected by electric machine controller with battery respectively.
Further, hybrid electric drive system also includes battery management system, battery management system
System is connected with battery.
The second aspect of the present invention provides a kind of vehicle, including the mixing of first aspect present invention is moved
Power-driven system.
Further, vehicle is sweeper.
Based on hybrid electric drive system and vehicle that the present invention is provided, hybrid electric drive system
Driven including engine, gearbox, coupling device, main reducing gear, generator, battery and first
Dynamic motor, gearbox, operating system and generator are connected with engine respectively, generator and the
One motor is connected with battery respectively, and coupling device includes that many input shafts and many of reception are defeated
Enter the output shaft of the moment of torsion of axle transmission, many input shafts include the first input shaft and the second input shaft,
First input shaft is connected with gearbox, and the second input shaft is connected with the first motor, output shaft
It is connected with main reducing gear, wherein, there is connection status between engine and output shaft and shape is disconnected
State.When connection status is between engine and output shaft, the driving dynamics of vehicle can be by
Engine is provided separately or is provided jointly by engine and the first motor；When engine with
When being off between output shaft, the driving dynamics of vehicle are provided by the first motor,
Therefore the driving dynamics of the vehicle of the technical scheme both can individually by the first motor or
Engine is provided, and can be provided by the first motor assisted engine again, so when vehicle
When traveling road condition change causes larger to the output torque changes in demand of hybrid electric drive system,
Technical scheme can meet the power demand of vehicle.
By referring to the drawings to the detailed description of exemplary embodiment of the invention, the present invention
Further feature and its advantage will be made apparent from.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, schematic description and description of the invention is used to explain the present invention, not structure
Into inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the principle schematic of the hybrid electric drive system of first embodiment of the invention；
Fig. 2 is the principle schematic of the hybrid electric drive system of second embodiment of the invention；
Fig. 3 is the principle schematic of the hybrid electric drive system of third embodiment of the invention；
Fig. 4 is the principle schematic of the hybrid electric drive system of fourth embodiment of the invention.
Each reference is represented respectively：
2- couplers；The input shafts of 21- first；The input shafts of 22- second；The input shafts of 23- the 3rd；25-
Gear assembly；251- first gears；252- second gears；The gears of 253- the 3rd；26- output shafts；
27- first clutches；28- second clutches；The clutches of 3- the 3rd；The clutches of 4- the 4th；5-
5th clutch；The clutches of 6- the 6th.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that described embodiment is only the present invention one
Divide embodiment, rather than whole embodiments.At least one exemplary embodiment is retouched below
State only actually be it is illustrative, never as to the present invention and its application or use it is any
Limitation.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
Unless specifically stated otherwise, the part and the phase of step for otherwise illustrating in these embodiments
Arrangement, numerical expression and numerical value are not limited the scope of the invention.Simultaneously, it should be appreciated that
For the ease of description, the size of the various pieces shown in accompanying drawing is not according to actual ratio
Example relation is drawn.For technology, method and apparatus known to person of ordinary skill in the relevant
May be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be by
It is considered as the part for authorizing specification.In all examples shown here and discussion, any tool
Body value should be construed as merely exemplary, not as limitation.Therefore, exemplary reality
The other examples for applying example can have different values.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once it is defined in a certain Xiang Yi accompanying drawing,
It need not be then further discussed in subsequent accompanying drawing.
For the ease of description, space relative terms can be used herein, such as " ... on ",
" in ... top ", " in ... upper surface ", " above " etc., for describing such as the institute in figure
The device or feature for showing and other devices or the spatial relation of feature.It should be understood that
It is that space relative terms were intended to comprising making in addition to orientation of the device described in figure
With or operation in different azimuth.If for example, the device in accompanying drawing is squeezed, be described as
Will after the device of " above other devices or construction " or " on other devices or construction "
It is positioned as " below other devices or construction " or " under other devices or construction ".Thus,
Exemplary term " ... top " can include " ... top " and " ... lower section " two
Plant orientation.The device can also other different modes positioning (be rotated by 90 ° or in its other party
Position), and respective explanations are made to the relative description in space used herein above.
In Fig. 1 to Fig. 4, solid line connecting line is represented and mechanically connected, and dashed connection line represents electric
Connection.
In as shown in Figure 1 to Figure 4, the hybrid electric drive system in each embodiment includes engine,
Gearbox, coupling device 2, main reducing gear, operating system, generator, battery and first drives
Dynamic motor, gearbox, operating system and generator all be connecteds with engine respectively, generator with
First motor is connected with battery respectively, and coupling device 2 includes many input shafts and output shaft
26, as shown in Figures 1 to 4, many input shafts include the first input shaft 21 and the second input shaft
22, the first input shaft 21 and gearbox are connected, and the second input shaft 22 and the first motor connect
Connect, output shaft 26 is connected with main reducing gear, also, have between engine and output shaft 26
Connection status and off-state.
In the technical scheme, coupling device 2 can be by the dynamic of the first motor and engine
Couple of force is closed.Therefore, when vehicle traveling is little to the demand of moment of torsion, engine and output shaft
It is off between 26, the power of the first motor is transferred to by coupling device 2
Output shaft 26, and then it is transferred to main reducing gear driving vehicle traveling；When vehicle traveling is to moment of torsion
Demand when becoming big, be in connection status between engine and output shaft 26, engine it is dynamic
Power is transferred to output shaft 26 by gearbox by the first input shaft 21 of coupling device 2, then
It is transferred to main reducing gear and drives trailing wheel traveling；When vehicle is in climbing or accelerating mode, the
One motor assisted engine exports power, i.e. the power of engine and the first motor
Given by coupled transfer by first input shaft 21 and the second input shaft 22 of coupling device 2 respectively
Output shaft 26, is transmitted further to main reducing gear and drives vehicle traveling.Wherein, the first motor
Electric energy obtained from battery.In summary, the driving dynamics of vehicle individually can both be driven by first
Dynamic motor or engine are provided, and can be provided by the first motor assisted engine again, institute
With when the change of the driving cycle of vehicle is to the output torque changes in demand of hybrid electric drive system
When big, technical scheme can meet the power demand of vehicle.
Various embodiments of the present invention are specifically described below in conjunction with Fig. 1 to Fig. 4.First is real
Apply example
First embodiment is by taking the hybrid electric drive system for being applied to sweeper as an example to the present invention
Hybrid electric drive system illustrate.
As shown in figure 1, the hybrid electric drive system of first embodiment includes engine, speed change
Case, coupling device 2, main reducing gear, operating system, generator, battery and first drives electricity
Machine, generator and the first motor are connected with battery respectively, gearbox, generator, operation
System is all connected with engine.
Wherein, coupling device 2 include the first input shaft 21, the second input shaft 22, the 3rd is defeated
Enter axle 23, output shaft 26, first clutch 27 and second clutch 28, in the first input
First clutch 27 is provided between axle 21 and output shaft 26, in the 3rd input shaft 23 and output
Second clutch 28 is provided between axle 26.
First input shaft 21 is connected with gearbox, and the second input shaft 22 and the first motor connect
Connect, the 3rd input shaft 23 is connected with generator, output shaft 26 is connected with main reducing gear.
In the present embodiment, hybrid electric drive system also includes transfer case, operating system and hair
Motor is connected by transfer case with engine.
In the present embodiment, by battery, the first motor and generator constitute hybrid power
The electric drive system of drive system.
As shown in figure 1, hybrid electric drive system also includes the 4th clutch 4, the 5th clutch
The clutch of device the 5, the 6th, and Full-power takeoff.Engine is by the 4th clutch 4 and change
Fast case connection., engine is connected by Full-power takeoff with the 5th clutch 5, transfer case
It is connected with the 5th clutch 5.Generator is connected by the 6th clutch 6 with transfer case.Operation
System is connected with transfer case.
Therefore when sweeper be in wash sweep pattern when, can be by the 5th clutch 5 and the 6th clutch
6 closures, first clutch 27 and second clutch 28 disconnect, then the power of operating system
There is provided by engine, the driving dynamics of sweeper are provided by electric drive system, hereby be achieved that row
The full decoupled of power and operation power is sailed, the change of speed does not interfere with the performance of operating system.
When sweeper is in transition, the 4th clutch 4 and first clutch 27 are closed, and are started
The power of machine passes to main reducing gear by gearbox and coupling device 2, and then drives sweeper
Traveling；When sweeper is in starting, when climbing and accelerating mode, the power of the first motor
Main reducing gear is passed to by coupling device 2, the first motor assisted engine is realized
Function.Therefore, hybrid electric drive system can just be controlled to the operation interval of engine,
Engine is always worked in economic zone, save fuel oil, reduce discharge.
When sweeper be in wash sweep pattern when, the 4th clutch 4 and first clutch 27 disconnect,
Power needed for sweeper traveling is main by electric drive system offer.
When sweeper is washed in level land sweeps pattern, second clutch 28 disconnects, sweeper
Driving dynamics are only provided by the first motor.Now power needed for sweeper is little, Ke Yixuan
Power demand needed for traveling is met with low power first motor, operating efficiency is higher.
When sweeper be in climbing etc. to travel moment of torsion big the washing of demand sweep pattern when, second from
Clutch 28 is closed, and generator is in electric motor mode, and now, generator just drives with first
Motor provides power for sweeper together, drives sweeper traveling.Therefore the mixing of the present embodiment
Power-driven system can solve the problem that sweeper because road condition change is to the power and moment of torsion of electric drive system
The big problem of changes in demand.Further, since generator and the first motor in the present embodiment
Driving dynamics can be provided for sweeper, so the hybrid power of the present embodiment drives can select
With small-power and the generator and the first motor of small moment of torsion.Therefore the small volume of system unit,
The compact in design of whole hybrid electric drive system is flexible.
As shown in figure 1, hybrid electric drive system also includes battery management system, battery management
System is connected with battery, is monitored and protects for the state to battery, can real-time detection go out
The dump energy of battery.Dump energy according to battery may be such that the first motor auxiliary engine
Machine works, and makes engine long time service in economic zone, saves fuel oil, reduces discharge, reduces
Noise.
Preferably, battery is by electric machine controller and generator, the connection of the first motor.Electricity
Machine controller can control the rotating speed of generator and the first motor, therefore generator and first
The control of the rotating speed of motor is completely independent.Compared to the prior art, generator and first drives
The Synchronization Control difficulty reduction of dynamic motor.
In the present embodiment, coupling device 2 transmitted by gear assembly 25 each input shaft with
Moment of torsion between output shaft 26.
Specifically, in the present embodiment, as shown in figure 1, gear assembly 25 includes the first tooth
The engagement system of wheel 251 and second gear 252, first gear 251 and second gear 252 can
Being external toothing, or internal messing.
Specifically, the sweeper of the hybrid electric drive system with first embodiment is worked
Journey is as follows：
Under transition pattern, the 4th clutch 4 and first clutch 27 are closed, the second clutch
Device 28, the 5th clutch 5 and the 6th clutch 6 disconnect, and now the power of engine passes through
4th clutch 4, gearbox is transferred directly to main reducing gear and drives trailing wheel after coupling device 2
Traveling.When vehicle is under starting, climbing and accelerating mode, the first motor auxiliary engine
Machine works, wherein, the electric energy of the first motor is obtained from battery.When vehicle be in descending or
During on-position, first clutch 27 is disconnected, and second clutch 28 is closed, the kinetic energy of vehicle
With potential energy by trailing wheel, main reducing gear, coupling device 2 passes to electrical power generators, recovery
Energy is stored in the battery in the form of electric energy.
In the case where the pattern of sweeping is washed, the power needed for vehicle traveling is main by electric drive system offer, with reality
Existing driving dynamics and operation power it is full decoupled.When the road conditions of vehicle traveling drive electricity to first
Under the little occasion of the power and torque demand of machine, first clutch 27 and second clutch 28
Disconnect, the 5th clutch 5 and the 6th clutch 6 are closed, the power of engine output is by complete
Power power takeoff, the 5th clutch 5 passes to transfer case, the power one after transfer case decomposition
Divide and pass to operating system, another part passes to electrical power generators by the 6th clutch 6.
The electric energy that generator is produced is transferred to the first motor, the first motor through electric machine controller
The power of output passes to main reducing gear by coupling device 2, realizes driving the mesh of vehicle traveling
's.The unnecessary electric energy that generator is produced can also be stored in the battery.When the operating mode of vehicle traveling
(such as climb very steep slopes), first clutch under the occasion very big to the power and torque demand of motor
27 and the 6th clutch 6 disconnect, the 5th clutch 5 and second clutch 28 are closed, now
Generator operation in electric motor state, the electric energy of battery is transferred to by electric machine controller and is in
The generator of electric motor state and the first motor, generator and the output of the first motor
Power drives the first gear 251 in coupling device to rotate jointly, and first gear 251 is by power
Passing to main reducing gear by second gear 252 drives vehicle to travel.
It should be noted that in first embodiment, if only for realizing engine and output shaft
There is connection status and off-state, the clutch 4 two of first clutch 27 and the 4th between 26
Person only sets one.But first clutch 27 and the are set simultaneously in first embodiment
The advantage of four clutches 4 is, can also from the 4th clutch 4 and first clutch 27 it
Between obtain power taken for the equipment of other dynamic demands, for example, can be by side power takeoff
Power taking provides power for pump from gearbox.
Second embodiment
Second embodiment is still to this hair by taking the hybrid electric drive system for being applied to sweeper as an example
Bright hybrid electric drive system is illustrated.
As shown in Fig. 2 second embodiment is with the difference of first embodiment, the second input shaft
Changed over by being coaxially disposed in first embodiment with the 3rd input shaft and be not coaxially disposed.Therefore phase
Answering ground will change the gear assembly 25 in coupling device 2, and gear assembly 25 includes first gear
251, the gear 253 of second gear 252 and the 3rd.The power of the first motor passes through second
Input shaft 22 and first gear 251 pass to second gear 252, and then pass to output
Axle 26.The power of generator is by the 3rd input shaft 23, the gear of second clutch 28 and the 3rd
253 pass to second gear 252, and then pass to output shaft 26.
Annexation, work(between other unaccounted each parts of second embodiment and each part
Energy, effect etc. can refer to first embodiment.
3rd embodiment
3rd embodiment is still to this hair by taking the hybrid electric drive system for being applied to sweeper as an example
Bright hybrid electric drive system is illustrated.
As shown in figure 3, coupling device 2 include the first input shaft 21, the second input shaft 22,
Output shaft 26 and first clutch 27, are provided between the first input shaft 21 and output shaft 26
One clutch 27.
First motor is connected with the second input shaft 22, gearbox and the first input shaft 21
Connection, output shaft 26 is connected with main reducing gear.
In the present embodiment, as shown in figure 3, hybrid electric drive system also includes the 3rd clutch
Device 3, generator is connected by the 3rd clutch 3 with the first motor.This embodiment is realized
Generator is installed with the coaxial homonymy of the first motor.
The course of work of the hybrid electric drive system of 3rd embodiment is briefly described as follows：
When sweeper wash sweep pattern when, the 4th clutch 4 and first clutch 27 disconnect,
5th clutch 5 and the 6th clutch 6 are closed, and the power of engine output takes by total power
Power device, the 5th clutch 5 passes to transfer case, and the power part after transfer case is decomposed is transmitted
To operating system, another part passes to electrical power generators by the 6th clutch 6.Generator
The electric energy of generation is transferred to the first motor through electric machine controller, the output of the first motor
Power passes to main reducing gear by coupling device 2, realizes driving the purpose of vehicle traveling.Hair
The unnecessary electric energy that motor is produced can also be stored in the battery.
(such as climbed when under the operating mode of the vehicle traveling occasion very big to the power and torque demand of motor
Abrupt slope), the 6th clutch 6 is disconnected, and the 3rd clutch 3 is closed, generator operation now
In electric motor state, the electric energy of battery is transferred in electric motor state by electric machine controller
The power of generator and the first motor, generator and the output of the first motor drives jointly
First gear 251 in coupling device is rotated, and first gear 251 is by power by second gear
252 pass to main reducing gear drives vehicle traveling.
Annexation, work(between other unaccounted each parts of 3rd embodiment and each part
Energy, effect etc. can refer to first embodiment.
Fourth embodiment
Fourth embodiment is still to this hair by taking the hybrid electric drive system for being applied to sweeper as an example
Bright hybrid electric drive system is illustrated.
As shown in figure 4, the hybrid electric drive system in fourth embodiment includes battery, generate electricity
Machine, the first motor and the second motor, wherein, generator, the first motor and
Second motor is all connected with battery respectively, constitutes the hybrid drive train of the present embodiment
The electric drive system of system.
In the present embodiment, coupling device 2 include the first input shaft 21, the second input shaft 22,
Output shaft 26 and first clutch 27, are provided between the first input shaft 21 and output shaft 26
One clutch 27.
First input shaft 21 is connected with gearbox, and the second input shaft 22 and the first motor connect
Connect, output shaft 26 is connected with main reducing gear.Second motor coaxially connects with the first motor
Connect.From first embodiment also unlike, generator is directly connected with transfer case, in addition, hair
Motor is connected with the first motor and the equal mechanical of the second motor.
Preferably, generator, the first motor and the second motor all pass through motor control
Device is connected with battery.The control of the rotating speed of generator, the first motor and the second motor
It is completely independent.So just the first motor can respectively be controlled according to the change of driving cycle
With the second motor.
Therefore when the driving cycle of sweeper is little to the power demand of electric drive system, Ke Yiyou
First motor or the second driving motor supplies power；When driving cycle is to the work(of electric drive system
When rate demand is larger, the first motor and the second motor drive simultaneously.
In the present embodiment, the power of the first motor and the second motor can be according to need
Ask to select.For example the first motor can be set to low-power machine, second is driven
Motor is set to heavy-duty motor, then when driving cycle is little to the power demand of electric drive system
When, by the first driving motor supplies power；When driving cycle the power of electric drive system is needed compared with
When big, by the second driving motor supplies power, it is also possible to driven jointly by two motors.
The arrangement of the first motor and the second motor is not limited in the present embodiment
Coaxial homonymy arrangement.Can also be that twin shaft is arranged, for example, coupling device 2 can increase the 4th
Input shaft, the second motor is connected with the 4th input shaft.First motor and second drives
Motor can be arranged in the homonymy of coupling device 2, it is also possible to be arranged in the both sides of coupling device.
Annexation, work(between other unaccounted each parts of fourth embodiment and each part
Energy, effect etc. can refer to first embodiment.
Clutch in above example can also be substituted using other switchover apparatus, such as be dialled
Fork etc..
From the above description, it can be seen that the hybrid electric drive system in various embodiments above of the present invention
Have the following advantages that：
The driving dynamics of vehicle both can be provided individually by the first motor or engine, and
Can be provided by the first motor assisted engine, so when the traveling road condition change of vehicle is led
When cause is big to the output torque changes in demand of hybrid electric drive system, technical scheme
The power demand of vehicle can be met.
Additionally, driving dynamics of the sweeper in the case where the pattern of sweeping is washed can be carried only by the first motor
For, it is also possible to provided with the generator in electric motor mode by the first motor, it is also possible to
There is provided jointly by the first motor and the second motor.Therefore the mixing of the embodiment of the present invention
Power-driven system can meet traveling from the generator and motor of small-power and small moment of torsion
Required power demand.
System unit small volume in above example, compact in design is flexible.
The rotating speed of the motor of the electric drive system in above example by motor controller controls, with
Prior art is compared, the reduction of Synchronization Control difficulty.
Hybrid power system in above example can allow engine long time service in economic zone,
Fuel oil is saved, discharge is reduced, noise is reduced.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention and
It is non-that it is limited；It is affiliated although being described in detail to the present invention with reference to preferred embodiment
The those of ordinary skill in field should be understood：Specific embodiment of the invention can still be entered
Row modification carries out equivalent to some technical characteristics；Without deviating from technical solution of the present invention
Spirit, it all should cover in the middle of claimed technical scheme scope of the invention.
Claims (19)
1. a kind of hybrid electric drive system, it is characterised in that including engine, gearbox,
Coupling device, main reducing gear, generator, battery and the first motor, the gearbox and
The generator is connected with the engine respectively, the generator and first motor
It is connected with the battery respectively, the coupling device includes many input shafts and receives described many
The output shaft of the moment of torsion of input shaft transmission, many input shafts include the first input shaft and second
Input shaft, first input shaft is connected with the gearbox, second input shaft with it is described
First motor is connected, and the output shaft is connected with the main reducing gear, wherein, the hair
There is connection status and off-state between motivation and the output shaft.
2. hybrid electric drive system according to claim 1, it is characterised in that institute
Stating coupling device includes the first clutch being arranged between first input shaft and the output shaft
Device.
3. hybrid electric drive system according to claim 1, it is characterised in that institute
Stating many input shafts also includes the 3rd input shaft, and the 3rd input shaft is connected with the generator.
4. hybrid electric drive system according to claim 3, it is characterised in that institute
The 3rd input shaft is stated to be coaxially disposed with second input shaft.
5. hybrid electric drive system according to claim 3, it is characterised in that institute
State generator has connection status and off-state with the output shaft.
6. hybrid electric drive system according to claim 5, it is characterised in that institute
Stating coupling device includes the second clutch being arranged between the 3rd input shaft and the output shaft
Device.
7. hybrid electric drive system according to claim 1, it is characterised in that institute
Stating hybrid electric drive system includes the 3rd clutch, and the generator drives electricity with described first
Connected by the 3rd clutch between machine.
8. hybrid electric drive system according to any one of claim 1 to 7, its
It is characterised by, is transmitted by gear between each input shaft and output shaft of the coupling device and turned round
Square.
9. hybrid electric drive system according to any one of claim 1 to 7, its
It is characterised by, the hybrid electric drive system also includes the second motor, wherein, it is described
Second motor is coaxially connected with first motor；Or the multiple input shaft is also
Including the 4th input shaft, second motor is connected with the 4th input shaft.
10. hybrid electric drive system according to any one of claim 1 to 7, its
It is characterised by, the hybrid electric drive system includes the 4th clutch, the engine and institute
Gearbox is stated to be connected by the 4th clutch.
11. hybrid electric drive systems according to any one of claim 1 to 7, its
It is characterised by that there is connection status and off-state between the generator and the engine.
12. hybrid electric drive systems according to claim 11, it is characterised in that institute
Stating hybrid power system also includes the 5th clutch, and the generator passes through institute with the engine
State the connection of the 5th clutch.
13. hybrid electric drive systems according to claim 12, it is characterised in that institute
Stating hybrid power system also includes operating system and transfer case, the operating system and the generating
Machine is connected by the transfer case with the 5th clutch respectively.
14. hybrid electric drive systems according to claim 13, it is characterised in that institute
Stating hybrid power system also includes the 6th clutch, and the generator passes through institute with the transfer case
State the connection of the 6th clutch.
15. hybrid electric drive systems according to claim 12, it is characterised in that institute
Stating hybrid power system also includes Full-power takeoff, the 5th clutch and the engine
Connected by the Full-power takeoff.
16. hybrid electric drive systems according to any one of claim 1 to 7, its
Be characterised by, the hybrid electric drive system also include electric machine controller, the generator and
First motor is connected by the electric machine controller with the battery respectively.
17. hybrid electric drive systems according to any one of claim 1 to 7, its
It is characterised by, the hybrid electric drive system also includes battery management system, the cell tube
Reason system is connected with the battery.
18. a kind of vehicles, it is characterised in that including according to any one of claim 1 to 17
Described hybrid electric drive system.
19. vehicles according to claim 18, it is characterised in that the vehicle is swept to wash
Car.
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| CN201510885874.4A CN106828073A (en) | 2015-12-04 | 2015-12-04 | Hybrid electric drive system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885874.4A CN106828073A (en) | 2015-12-04 | 2015-12-04 | Hybrid electric drive system and vehicle |
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| CN106828073A true CN106828073A (en) | 2017-06-13 |
Family
ID=59150642
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510885874.4A Pending CN106828073A (en) | 2015-12-04 | 2015-12-04 | Hybrid electric drive system and vehicle |
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| CN107399319A (en) * | 2017-07-12 | 2017-11-28 | 长沙中联重科环境产业有限公司 | Power control unit, hybrid power system and its control method and cleaning vehicle |
| CN107554281A (en) * | 2017-08-31 | 2018-01-09 | 福建龙马环卫装备股份有限公司 | Clean car hybrid power system and cleaning car |
| CN108032723A (en) * | 2017-11-30 | 2018-05-15 | 三汽车制造有限公司 | Transfer case, hybrid power system and vehicle |
| CN108789843A (en) * | 2018-05-11 | 2018-11-13 | 中国煤炭科工集团太原研究院有限公司 | A kind of oil electric mixed dynamic stirring drive system and concrete mixing and transporting car |
| CN110154786A (en) * | 2019-06-26 | 2019-08-23 | 三一专用汽车有限责任公司 | Concrete mixer truck and its control method |
| CN110203068A (en) * | 2019-06-21 | 2019-09-06 | 中国民用航空飞行学院 | A kind of pure electric vehicle airport Special fire-fighting vehicle dynamical system and vehicle |
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| CN110822061A (en) * | 2019-11-13 | 2020-02-21 | 徐州重型机械有限公司 | Power takeoff and vehicle |
| CN110901371A (en) * | 2019-12-03 | 2020-03-24 | 徐州重型机械有限公司 | Special operation vehicle and control method thereof |
| CN110949115A (en) * | 2019-11-27 | 2020-04-03 | 中国第一汽车股份有限公司 | Hybrid power driving system and vehicle |
| CN112109696A (en) * | 2020-09-28 | 2020-12-22 | 芜湖安行汽车科技有限公司 | Electric control system of chassis of parallel oil-electricity hybrid airport fire engine |
| CN112959509A (en) * | 2021-04-01 | 2021-06-15 | 吉林大学 | Concrete mixer truck upper-mounted hybrid driving system and driving method thereof |
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| CN108789843A (en) * | 2018-05-11 | 2018-11-13 | 中国煤炭科工集团太原研究院有限公司 | A kind of oil electric mixed dynamic stirring drive system and concrete mixing and transporting car |
| CN110203068B (en) * | 2019-06-21 | 2021-12-07 | 中国民用航空飞行学院 | Fire engine power system and vehicle special for pure electric motor field |
| CN110203068A (en) * | 2019-06-21 | 2019-09-06 | 中国民用航空飞行学院 | A kind of pure electric vehicle airport Special fire-fighting vehicle dynamical system and vehicle |
| CN110154786A (en) * | 2019-06-26 | 2019-08-23 | 三一专用汽车有限责任公司 | Concrete mixer truck and its control method |
| CN110254204A (en) * | 2019-06-26 | 2019-09-20 | 吉林大学 | Dress and walking combination drive environmental protection working vehicle and its control method in one kind |
| CN110254204B (en) * | 2019-06-26 | 2023-05-23 | 吉林大学 | Loading and walking hybrid driving sanitation operation vehicle and control method thereof |
| CN110481539A (en) * | 2019-09-20 | 2019-11-22 | 安徽合力股份有限公司 | A kind of hybrid power system |
| CN110822061A (en) * | 2019-11-13 | 2020-02-21 | 徐州重型机械有限公司 | Power takeoff and vehicle |
| CN110949115A (en) * | 2019-11-27 | 2020-04-03 | 中国第一汽车股份有限公司 | Hybrid power driving system and vehicle |
| CN110901371A (en) * | 2019-12-03 | 2020-03-24 | 徐州重型机械有限公司 | Special operation vehicle and control method thereof |
| CN112109696A (en) * | 2020-09-28 | 2020-12-22 | 芜湖安行汽车科技有限公司 | Electric control system of chassis of parallel oil-electricity hybrid airport fire engine |
| CN112959509A (en) * | 2021-04-01 | 2021-06-15 | 吉林大学 | Concrete mixer truck upper-mounted hybrid driving system and driving method thereof |
| CN113443012A (en) * | 2021-06-30 | 2021-09-28 | 北京航天发射技术研究所 | Chassis hybrid driving mechanism of extra-heavy special vehicle |
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