CN110001376A - Realize the Vehicular hybrid power system of multi power source coupling - Google Patents
Realize the Vehicular hybrid power system of multi power source coupling Download PDFInfo
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- CN110001376A CN110001376A CN201910204126.3A CN201910204126A CN110001376A CN 110001376 A CN110001376 A CN 110001376A CN 201910204126 A CN201910204126 A CN 201910204126A CN 110001376 A CN110001376 A CN 110001376A
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- motor
- gear
- input shaft
- engine
- power source
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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
- 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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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
- 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
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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
- 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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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
- 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
- B60K6/383—One-way clutches or freewheel devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention belongs to a kind of vehicular transmissions, provide a kind of Vehicular hybrid power system for realizing multi power source coupling, solve existing mixed connection dynamical system since motor torque is excessive, revolving speed is too low, so that the problem that system bulk is big, weight is big, at high cost.The system includes engine, first motor, the second motor, retarder, output flange；Retarder includes reduction case, input shaft, output shaft, and the one-way clutch, planetary gear train, the first motor gear pair, the second motor gear pair that are located in reduction-gear housing body；Planetary gear train includes sun gear, planet carrier, gear ring, planetary gear；Input shaft one end is located on reduction case and is connected with engine output, and the other end is arranged on gear ring；Output shaft one end and gear ring are connected, and the other end and output flange are connected, each planetary gear external tooth respectively with tooth engagement outside gear ring internal tooth, sun gear；First motor driven gear is arranged in gear ring lateral surface；Second motor driven gear is coaxially connected with sun gear.
Description
Technical field
The invention belongs to a kind of vehicular transmission, in particular to a kind of Vehicular hybrid power system for realizing multi power source coupling
System.
Background technique
Since current energy shortage and environmental pollution are got worse, energy-saving and environmental protection become the only way of development of automobile.It is mixed
Power vehicle is closed as a kind of emerging energy-efficient, environment-friendly automobiles, technology and market are in a kind of vigorous growth stage.
Hybrid vehicle is maximum the difference is that dynamical system compared with orthodox car and pure electric automobile.For simultaneously
Connection and parallel-serial hybrid power automobile, dynamic coupling system are responsible for multiple power combinations together, between realization multi power source rationally
Power distribution and power is transmitted to drive axle, dynamic coupling system is in critical role in hybrid vehicle exploitation,
Performance is directly related to whether vehicle performance reaches design requirement, is the most crucial part of hybrid vehicle.Planetary gear train has
The flexible controllable feature of multiple degrees of freedom, input and output, and it is compact-sized, small in size, speed ratio is big, therefore more and more mixed
It closes power vehicle dynamic coupling system to be used, this is also a kind of trend of current hybrid power automobile power assembly development.
A set of planetary gear mechanism is usually used in existing mixed connection dynamical system, and planet carrier is connect with engine, the sun
Wheel is connect with generator, and gear ring is connect with motor, and is provided with the power output interface for driving vehicle, and this structure can
To play tandem and parallel advantage.But since the revolving speed of gear ring is lower, required motor torque certainly will be very big,
The motor of this low-speed big makes that mixed connection dynamical system volume is big, weight is big, at high cost.
Summary of the invention
In order to solve existing mixed connection dynamical system since motor torque is excessive, revolving speed is too low, so that mixed connection dynamical system
The problem that volume is big, weight is big, at high cost.The present invention provides a kind of Vehicular hybrid power systems for realizing multi power source coupling
System realizes efficient transmission by internal structure design, while reducing requirement of the transmission system to motor speed and torque, energy
Enough realize the coupling of hybrid vehicle multi power source.
To achieve the above object, present invention provide the technical scheme that
A kind of Vehicular hybrid power system for realizing multi power source coupling, is characterized in that including engine, first
Motor, the second motor, retarder, output flange；The retarder includes reduction case, input shaft, output shaft, Yi Jishe
Set one-way clutch, planetary gear train, first motor gear pair, the second motor gear pair in reduction-gear housing body；The planet
Train includes sun gear, planet carrier, gear ring and multiple planetary gears；One end of the input shaft is arranged by bearing in reduction-gear housing
On body, and it is connected with engine output, the other end is arranged on gear ring by coaxial bearing；One end of the output shaft
It is connected with gear ring, the other end and output flange are connected；The one-way clutch, sun gear, planet carrier from close to engine to
It is successively set on input shaft far from engine, sun gear is set on input shaft, and planet carrier is connected with input shaft, and sun gear
With planet carrier be coaxially disposed, at least three planetary gears along planet carrier circumferencial direction be distributed, the external tooth of each planetary gear respectively with tooth
The outer tooth engagement of the internal tooth of circle, sun gear；The first motor gear pair includes intermeshing first motor driving gear,
One motor driven gear；First motor input shaft is arranged on reduction case；First motor driving gear setting is the
On one motor input shaft, the lateral surface of gear ring is arranged in the first motor driven gear；The second motor gear pair includes
Intermeshing second motor driving gear, the second motor driven gear；Second motor input shaft is arranged on reduction case；
Second motor driving gear is arranged on the second motor output shaft, and the second motor driven gear is coaxially connected with sun gear；
The input shaft is passed through from the shaft of the second motor driven gear.
Further, the first motor and the second motor are arranged at side of the reduction case far from engine, and
Be respectively positioned on the upside of output flange, lateral dimension can be shortened, facilitate space layout, reduce transmission system to the design of motor and
Manufacture requires.
Further, the first motor and the second motor are symmetrical by symmetry axis of output flange.
Further, the reduction ratio of the first motor gear pair is greater than 3, using a pair of big retarding device ratio greater than 3
Gear pair with parallel axes realizes that the drop of substantially degree turns round speedup to first motor end；The reduction ratio of the second motor gear pair is big
In 1, using the parallel-axes gears of a pair of small reduction ratio greater than 1, certain drop, which turns round speedup, to be realized to the second motor side.
Further, the reduction ratio of the first motor gear pair is greater than 3 and less than 4；The second motor gear pair
Reduction ratio is greater than 1 and less than 1.5.
It further, further include torsion vibration absorber；The torsion vibration absorber is arranged on input shaft, and be located at engine with
Between retarder.
Further, the one-way clutch inner ring and input shaft are connected, and outer ring and reduction case are connected.
Further, the one-way clutch is Wedge type over running clutch.
Further, the quantity of planetary gear is 5, uniformly distributed along planet carrier circumferencial direction.
Further, electromotor cooling system and control system are equipped on the first motor and the second motor.
Compared with prior art, the invention has the advantages that
1, hybrid power system of the invention, under Dual-motors Driving mode, same power source can export bigger drive
Kinetic moment；Identical driving force condition can select the lesser engine of peak torque and motor；Internal structure is compact, axial
Size is short, so that hybrid power system volume is less than normal, light weight and cost is low；
Meanwhile by the control of two motors, it can be achieved that electronics electrodeless variable-speed function, control engine always work in most
Jia Ranyoujingjiqu, improve vehicle fuel economy, realize low emission, overcome existing Series-Parallel HEV to motor according to
Lai Xing great needs large torque low speed motor come the shortcomings that providing enough driving forces.
2, first motor of the invention and the second motor are arranged in reduction case far from engine side, reduce power train
System designs and manufactures requirement to motor.
3, the gear pair with parallel axes of big retarding device ratio of the first motor gear pair of the present invention using a pair greater than 3, to first
Motor side realizes that the drop of substantially degree turns round speedup；Second motor gear pair of the invention is flat using a pair of small reduction ratio greater than 1
Row shaft gear realizes that certain drop turns round speedup to the second motor side of hair.
4, the present invention is provided with torsion vibration absorber on input shaft, and having reduces engine crankshaft and power train bonding part
Torsion stiffness, to reduce power train Torsional Vibration Natural Frequency；Increase power train torsion damping, torsional resonance is inhibited to shake accordingly
Width, and the transient state torsional oscillation generated by impact of decaying；The torsional oscillation of engine and retarder shafting when controlling power transmission assembly idling,
Eliminate retarder idling torsional oscillation and noise；The torsional pulse load of unsteady-stage conditions underdrive system is mitigated, improves engine and subtracts
The smoothness of pick-up of fast device.
5, one-way clutch, one-way clutch inner ring are provided on input shaft of the present invention between engine and planet carrier
With input axis connection, outer ring is affixed with reduction case, increases Dual-motors Driving operating mode for the hybrid power system,
Under the premise of meeting same output torque, further to torque needed for reducing motor terminal.
6, one-way clutch structure type of the invention is Wedge type over running clutch, when engine output revolving speed is more than one
Voussoir can be achieved after definite value and clutch Internal and external cycle is contactless is completely separated, the energy loss of one-way clutch is down to most
It is low.
7, first motor of the invention and the second motor are independently arranged, are respectively arranged with electromotor cooling system and control system
System, to effectively reduce the processing and manufacturing difficulty and production cost of motor, improves the reliability and stability of motor, simultaneously
Facilitate the maintenance of motor.
8, under hybrid power system of the invention, motor drive mode and Dual-motors Driving mode, pass through one-way clutch
Device forward direction separation, counteresteer characteristic, can avoid engine reverse, simplify transmission system control.
9, hybrid power system internal structure of the invention is compact, and axial dimension is short, while two motor connecting interfaces are located at
Retarder rear end face position on the upper side, lateral dimension is short, facilitates space layout.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hybrid power system of the present invention；
Fig. 2 is the schematic diagram in unified direction of hybrid power system of the present invention.
Wherein, appended drawing reference is as follows:
1- engine, 2- torsion vibration absorber, 3- one-way clutch, 4- input shaft, 5- sun gear, 6- reduction case, 7-
Planetary gear, 8- first motor input shaft, 9- first motor driving gear, 10- first motor, 11- planet carrier, 12- output shaft,
13- output flange, 14- gear ring, 15- first motor driven gear, the second motor of 16-, the second motor of 17- input shaft, 18-
Two motor driving gears, the second motor of 19- driven gear, the second motor of 20- seam allowance, 21- first motor seam allowance.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
The Vehicular hybrid power system provided by the invention for realizing multi power source coupling is, it can be achieved that with planet differential structure work
For the series-parallel hybrid electric system of electric coupling apparatus, electronic infinite variable speed function is realized, control engine always works in
Best fuel-economy area, improves vehicle fuel economy, realizes low emission, and Series-Parallel HEV is overcome to rely on motor
Property is big, needs large torque low speed motor come the shortcomings that providing enough driving forces.
The technical scheme is that planet row is planet differential using " planet differential structure+parallel axes " kind of drive
Structure, including sun gear, planet carrier, gear ring and multiple planetary gears, planet carrier are connect with engine, and sun gear is by the second electricity
Machine gear pair is connect with the second motor, and gear ring is connect by first motor gear pair with first motor, while passing through output shaft one
End is connect with gear ring, and the other end is connected to output flange output power；First motor gear pair is using a pair of subtracting greatly greater than 3
The gear pair with parallel axes of fast device ratio realizes that the drop of substantially degree turns round speedup to first motor end；Second motor gear pair uses one
To the parallel-axes gears of the small reduction ratio greater than 1, certain drop, which turns round speedup, to be realized to the second motor side；Engine and planet carrier it
Between input shaft on be provided with one-way clutch, one-way clutch inner ring is connect with input shaft spline, outer ring and reduction case
It is fixedly connected, increases Dual-motors Driving operating mode for the hybrid power system, under the premise of meeting same output torque,
Further to torque needed for reducing motor terminal.
As shown in Figure 1, the Vehicular hybrid power system of multi power source coupling is realized, mainly by engine 1, first motor
10, the second motor 16, retarder, output flange 13 form, and retarder includes reduction case 6, input shaft 4, output shaft 12,
And one-way clutch 3, planet differential structure, first motor gear pair, the second motor gear in reduction case 6 are set
It is secondary；Planet differential structure includes sun gear 5, planet carrier 11, gear ring 14 and multiple planetary gears 7；First motor gear pair includes phase
The first motor driving gear 9 and first motor driven gear 15 mutually engaged；Second motor gear pair includes intermeshing
Two motor driving gears 18, the second motor driven gear 19.
For 4 one end of input shaft through bearing support on reduction case 6, the other end passes through bearing support on gear ring 14,
Input shaft 4 one-way clutch 3, the second motor driven gear 19, sun gear 5 and planet carrier 11 from controlling to being sequentially arranged, it is single
It is connect to the inner ring of clutch 3 with input shaft 4 by spline, the outer ring of one-way clutch 3 and reduction case 6 are connected；Second
Motor driven gear 19 is integrally welded with sun gear 5 and passes through bearing support on input shaft 4；Planet carrier 11 and input shaft 4
It is connected by spline, the identical planetary gear 7 of 5 structures is uniformly mounted on planet carrier 11 by 7 pin shaft of planetary gear, planetary gear
The 7 external tooth interior tooth engagement with the external tooth of sun gear 5 and gear ring 14 respectively.Gear ring 14 and the first motor being disposed thereon are passive
Gear 15 is fixed together by a circle bolt.
Retarder is provided with first motor input shaft 8, and first motor input shaft 8 is by bearing support in reduction case 6
On, first motor input shaft 8 is the gear shaft structure of included first motor driving gear 9, first motor driving gear 9 and first
Motor driven gear 15 is connect with first motor 10 by spline by outer tooth engagement, 8 rear end of first motor input shaft, receives the
The power of one motor 10 inputs.Retarder is provided with the second motor input shaft 17, and the second motor input shaft 17 passes through bearing support
On reduction case 6, generator driving gear is connected on the second motor input shaft 17 by interference fit, the second motor master
Moving gear 18 and the second motor driven gear 19 pass through outer tooth engagement, 17 rear end of the second motor input shaft the second motor 16 of reserved hair
Spline is connected, the power input for receiving the second motor 16 or output power are to the second motor 16.The gear ring of planet differential structure
14 connect output shaft 12 by spline, and output shaft 12 on reduction case 6, connects output method by spline by bearing support
Blue disk 13.
The present invention is additionally provided with torsion vibration absorber on input shaft, and between engine and retarder, and having reduces hair
The torsion stiffness of motivation crankshaft and power train bonding part, to reduce power train Torsional Vibration Natural Frequency；Increase power train torsion
Damping inhibits the corresponding amplitude of torsional resonance, and the transient state torsional oscillation generated by impact of decaying；When controlling power transmission assembly idling
The torsional oscillation of engine and retarder shafting eliminates retarder idling torsional oscillation and noise；Mitigate the torsion of unsteady-stage conditions underdrive system
Turn shock loading, improves the smoothness of pick-up of engine and retarder.
Using motor driving of parallel axes structure, (motor transmits power to flange by a pair of of gear pair to the present invention
Disk), the second motor 16 for connecting with sun gear 5, the first motor 10 connecting with gear ring 14 are set to the rear end face of retarder, far
From 1 side of engine, from output flange 13 towards 1 direction of engine in terms of, two motors arranged offset upward, as shown in Fig. 2, second
Motor seam allowance 20 and first motor seam allowance 21 are located at the upside of output flange 13, and the second motor and first motor are to export
The axis of ring flange 13 is symmetry axis, is distributed the left and right sides of output flange 13, can shorten lateral dimension, facilitate space cloth
It sets.Two motors are independently arranged, electromotor cooling system and control system can be respectively arranged with, to effectively reduce the processing of motor
Manufacture difficulty and production cost, improve the reliability and stability of two motors, while facilitating the maintenance of motor.
One-way clutch 3 is provided on 1 end input shaft 4 of inventive engine, the function of one-way clutch 3 is to realize to start
Separation when machine 1 rotates forward direction, locking when engine 1 rotates reversed.3 structure type of one-way clutch is Wedge type over running clutch
Device, inner ring connect input shaft 4, and outer ring connects reduction case 6, and wedge can be achieved when engine 1 exports after revolving speed is more than certain value
Block with Internal and external cycle is contactless is completely separated, the energy loss of one-way clutch 3 is minimized.
First motor gear pair is greater than the gear pair with parallel axes of the 3 big retarding device ratio less than 4 using a pair in the present embodiment,
The drop of substantially degree, which turns round speedup, to be realized to first motor end；Second motor gear pair is greater than the 1 small deceleration less than 1.5 using a pair of
The parallel-axes gears of ratio realizes that certain drop turns round speedup to the second motor side；It is preferred that the reduction ratio of the first motor gear pair
Greater than 3.1；The reduction ratio of the second motor gear pair is greater than 1.2.
The course of work of hybrid power system operating mode of the present invention is illustrated:
1) engine 1 starts: when engine 1 starts, the second motor 16 starting engine 1, the second motor can be used
16 rotations and output torque, power pass through the second motor driving gear 18, the second motor driven gear 19, sun gear 5, planet carrier
11, input shaft 4 passes to engine 1, drives engine 1 to start, stationary vehicle, gear ring 14 are in lockup state at this time.
2) 10 drive mode of first motor: under this operating mode, engine 1 it is flame-out and because of itself towing astern torque and unidirectionally from
The effect of 3 moment of resistance of clutch remains static, and the rotation of first motor 10 and output torque, power pass through first motor driving gear
9, first motor driven gear 15, gear ring 14, output shaft 12, output flange 13 pass to vehicle.At this point, planet carrier 11 is in
It is static, the idle running of the second motor 16；Using 10 drive mode of first motor of dynamical system of the present invention, first motor 10 passes through parallel
For axis connection to gear ring 14, gear ring 14 is connected to 13 output power of output flange, therefore power transmission line by output shaft 12
Short, transmission efficiency is high.Under this operating mode, freewheel clutch automatic locking input shaft 4 avoids the reversing of 1 crankshaft of engine, protects
Hair care motivation 1.
3) Dual-motors Driving mode: under this operating mode, engine 1 is flame-out and because of itself towing astern torque and one-way clutch
3 locking effects are in lockup state, first motor 10 and the common output torque of the second motor 16, and first motor 10 is rotated and exported
Torque, power pass through first motor driving gear 9, first motor driven gear 15, gear ring 14, output shaft 12, output flange
13 pass to vehicle；The power output route of second generator 16 are as follows: power passes through the second motor driving gear 18, the second motor
Driven gear 19, sun gear 5, planetary gear 7, gear ring 14, output shaft 12, output flange 13 pass to vehicle.Dual-motors Driving
In mode, two motor output torques carry out torque couple by planet differential mechanism, at this time the exportable peak torque of system, vehicle
Dynamic property is most strong.
It is single on the basis of above-mentioned 10 drive mode of first motor using the Dual-motors Driving mode of transmission system of the present invention
To 3 automatic locking input shaft 4 of clutch, generator passes through the planet differential structure output power of 11 locking of planet carrier, with first
Motor 10 is driven together, and the dynamic property of entire transmission system can be substantially improved.Since freewheel clutch locking input shaft 4 is
The characteristic of clutch itself does not need control system and is controlled, and control system only needs to control two motors.
4) hybrid mode: under this operating mode, engine 1 starts, power by input shaft 4 and planet carrier 11,
A part on gear ring 14 with first motor 10 export by motor gear pair increase torque couple, through output shaft 12,
Output flange 13 passes to vehicle, and another part power passes through sun gear 5, the second motor driven gear 19, the second motor master
Moving gear 18, the second motor input shaft 17 pass to the second motor 16, the power generation of the second motor 16.Pass through control first motor 10
Revolving speed can control speed, controls the revolving speed of the second motor 16, always works in engine 1 and be maintained at best fuel-economy
Area.
5) Brake energy recovery mode: when vehicle descending or deceleration, the inertia of automobile passes through output flange 13, output
Axis 12 is transmitted to gear ring 14, and gear ring 14 at this time is inputted as power, and torque can be applied to first motor 10 and the second electricity
Machine 16 generates electricity, and for the charging of battery, realizes that energy regenerating recycles.
6) stopping for charging mode: when vehicle is in parked state, the parking lock device of vehicle locks output flange 13
Only, gear ring 14 at this time is in lockup state, and the second motor 16 is in generating state, the power of engine 1 by input shaft 4,
Planet carrier 11, sun gear 5, the second motor driven gear 19, the second motor driving gear 18, the second motor input shaft 17 are transmitted to
The power generation of second motor 16, the charging for battery.
The above is only the preferred embodiment of the present invention is described, technical solution of the present invention is not limited to
This, those skilled in the art's made any known deformation on the basis of major technique of the present invention is conceived belongs to institute of the present invention
Technology scope to be protected.
Claims (10)
1. realizing the Vehicular hybrid power system of multi power source coupling, it is characterised in that: including engine (1), first motor
(10), the second motor (16), retarder, output flange (13)；
The retarder includes reduction case (6), input shaft (4), output shaft (12), and is arranged in reduction case (6)
Interior one-way clutch (3), planet differential structure, first motor gear pair, the second motor gear pair；
The planet differential structure includes sun gear (5), planet carrier (11), gear ring (14) and multiple planetary gears (7)；
One end of the input shaft (4) by bearing be arranged on reduction case (6), and with the engine (1) output phase
Even, the other end is arranged on gear ring (14) by coaxial bearing；
One end and gear ring (14) of the output shaft (12) are connected, and the other end and output flange (13) are connected；
The one-way clutch (3), sun gear (5), planet carrier (11) from close to engine (1) to separate engine (1) successively
It is arranged on input shaft (4), sun gear (5) is set on input shaft (4), and planet carrier (11) is connected with input shaft (4), and the sun
Take turns (5) and planet carrier (11) coaxial arrangement；
At least three planetary gears (7) along planet carrier (11) circumferencial direction be distributed, the external tooth of each planetary gear (7) respectively with gear ring
(14) the outer tooth engagement of internal tooth, sun gear (5)；
The first motor gear pair includes intermeshing first motor driving gear (9) and first motor driven gear
(15)；First motor input shaft (8) is arranged on reduction case (6)；The first motor driving gear (9) is arranged first
On motor input shaft (8), lateral surface of first motor driven gear (15) setting in gear ring (14)；
The second motor gear pair includes intermeshing second motor driving gear (18), the second motor driven gear
(19)；Second motor output shaft (17) is arranged on reduction case (6)；The setting of second motor driving gear (18) is in the second electricity
On machine output shaft (17), the second motor driven gear (19) is coaxial connected with sun gear (5)；The input shaft (4) is from
It is passed through in the shaft of two motor driven gears (19).
2. the Vehicular hybrid power system according to claim 1 for realizing multi power source coupling, it is characterised in that: described the
One motor (10) and the second motor (16) are arranged at the side of reduction case (6) far from engine (1), and are respectively positioned on output
The upside of ring flange (13).
3. the Vehicular hybrid power system according to claim 2 for realizing multi power source coupling, it is characterised in that: described the
One motor (10) and the second motor (16) are symmetrical with output flange (13).
4. the Vehicular hybrid power system according to claim 1 or 2 or 3 for realizing multi power source coupling, it is characterised in that:
The reduction ratio of the first motor gear pair is greater than 3；
The reduction ratio of the second motor gear pair is greater than 1.
5. the Vehicular hybrid power system according to claim 4 for realizing multi power source coupling, it is characterised in that:
The reduction ratio of the first motor gear pair is greater than 3 and less than 4；
The reduction ratio of the second motor gear pair is greater than 1 and less than 1.5.
6. the Vehicular hybrid power system according to claim 5 for realizing multi power source coupling, it is characterised in that: further include
Torsion vibration absorber (2)；
The torsion vibration absorber (2) is arranged on input shaft (4), and between engine (1) and retarder.
7. the Vehicular hybrid power system according to claim 1 for realizing multi power source coupling, it is characterised in that:
One-way clutch (3) inner ring and input shaft (4) are connected, and outer ring and reduction case (6) are connected.
8. the Vehicular hybrid power system according to claim 7 for realizing multi power source coupling, it is characterised in that: the list
It is Wedge type over running clutch to clutch (3).
9. the Vehicular hybrid power system according to claim 1 for realizing multi power source coupling, it is characterised in that: the row
The quantity of star-wheel (7) is 5, and along planet carrier (11), circumferencial direction is uniformly distributed.
10. the Vehicular hybrid power system according to claim 1 for realizing multi power source coupling, it is characterised in that: described
Electromotor cooling system and control system are equipped on first motor (10) and the second motor (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204126.3A CN110001376A (en) | 2019-03-18 | 2019-03-18 | Realize the Vehicular hybrid power system of multi power source coupling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204126.3A CN110001376A (en) | 2019-03-18 | 2019-03-18 | Realize the Vehicular hybrid power system of multi power source coupling |
Publications (1)
| Publication Number | Publication Date |
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| CN110001376A true CN110001376A (en) | 2019-07-12 |
Family
ID=67167284
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910204126.3A Withdrawn CN110001376A (en) | 2019-03-18 | 2019-03-18 | Realize the Vehicular hybrid power system of multi power source coupling |
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| Country | Link |
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| CN (1) | CN110001376A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111059230A (en) * | 2019-12-24 | 2020-04-24 | 西安法士特汽车传动有限公司 | Hybrid power transmission |
| CN111409441A (en) * | 2020-03-03 | 2020-07-14 | 浙江吉利汽车研究院有限公司 | Hybrid power system and automobile |
| CN111497593A (en) * | 2020-05-18 | 2020-08-07 | 康兴梅 | Hybrid electric vehicle system based on one-way clutch |
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| CN112693306A (en) * | 2021-01-25 | 2021-04-23 | 重庆胜特佳机械有限公司 | Dual-motor driven multimode stepless speed change coupling output system and electric drive assembly |
| CN112747090A (en) * | 2021-01-25 | 2021-05-04 | 重庆胜特佳机械有限公司 | Double-power multi-mode stepless speed change coupling output mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111059230A (en) * | 2019-12-24 | 2020-04-24 | 西安法士特汽车传动有限公司 | Hybrid power transmission |
| CN111409441A (en) * | 2020-03-03 | 2020-07-14 | 浙江吉利汽车研究院有限公司 | Hybrid power system and automobile |
| CN111409441B (en) * | 2020-03-03 | 2022-08-02 | 浙江吉利汽车研究院有限公司 | Hybrid power system and automobile |
| CN111497593A (en) * | 2020-05-18 | 2020-08-07 | 康兴梅 | Hybrid electric vehicle system based on one-way clutch |
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| CN112747090A (en) * | 2021-01-25 | 2021-05-04 | 重庆胜特佳机械有限公司 | Double-power multi-mode stepless speed change coupling output mechanism |
| CN112693306A (en) * | 2021-01-25 | 2021-04-23 | 重庆胜特佳机械有限公司 | Dual-motor driven multimode stepless speed change coupling output system and electric drive assembly |
| CN112693306B (en) * | 2021-01-25 | 2023-02-03 | 重庆胜特佳机械有限公司 | Dual-motor drive multimode stepless speed change coupling output system and electric drive assembly |
| CN113147355A (en) * | 2021-05-25 | 2021-07-23 | 段志辉 | Hybrid power system, control method and vehicle |
| CN113147355B (en) * | 2021-05-25 | 2024-01-02 | 段志辉 | Hybrid power system, control method and vehicle |
| CN113864411A (en) * | 2021-10-26 | 2021-12-31 | 中南大学 | Unpowered-interruption continuously variable transmission |
| CN113864411B (en) * | 2021-10-26 | 2024-04-12 | 中南大学 | Powerless interruption stepless speed changing box |
| CN115355284A (en) * | 2022-10-19 | 2022-11-18 | 河南蒲瑞精密机械有限公司 | Planetary reducer for hoisting equipment |
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Application publication date: 20190712 |
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