CN109435674A - A kind of hybrid power stepless speed change device and its control method - Google Patents
A kind of hybrid power stepless speed change device and its control method Download PDFInfo
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- CN109435674A CN109435674A CN201811240420.1A CN201811240420A CN109435674A CN 109435674 A CN109435674 A CN 109435674A CN 201811240420 A CN201811240420 A CN 201811240420A CN 109435674 A CN109435674 A CN 109435674A
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- output shaft
- stepless speed
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- motor
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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
- B60K6/22—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 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 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 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 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 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 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 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
- B60K6/442—Series-parallel switching type
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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
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
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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)
- Arrangement Of Transmissions (AREA)
- Structure Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a kind of hybrid power stepless speed change devices, including transmission input shaft, driving motor, stepless speed changing mechanism, planetary gear set and output shaft of gear-box, driving motor is connect by planetary gear set with output shaft of gear-box, transmission input shaft is connect with stepless speed changing mechanism, and stepless speed changing mechanism is connect by planetary gear set with output shaft of gear-box.Further include multiple clutches, different operating modes is realized by different types of Combined clutch.One end of transmission input shaft is connect by torsional vibration damper with engine, and the other end passes through the input axis connection of C1 clutch and stepless speed changing mechanism, and the output shaft of stepless speed changing mechanism is connect with planetary gear set.Structure of the invention is compact, takes into account multiple-working mode, has cost advantage and easily controllable, and due to taking into account multiple-working mode, compared with other hybrid dynamic systems, the comprehensive operating condition oil consumption of vehicle can be greatly reduced.The invention also discloses a kind of control methods of hybrid power stepless speed change device.
Description
Technical field
The invention belongs to technical field of hybrid power, are related to vehicle and carry hybrid power gearbox field, and in particular to one
Kind hybrid power stepless speed change device and its control method.
Background technique
It is further stringent with national fuel economy regulation, new energy electric motor vehicle and hybrid power system vehicle passenger car at home
Market accounting rises year by year, and domestic each producer is preferably mixed dynamic in order to realize all in the exploitation hybrid power system done one's utmost
Oil-saving effect is all constantly carrying out structure and performance optimization, and the single motor mixing for being designed exploitation based on CVT gearbox is dynamic
Power stepless speed-changing system realizes more operating modes compared to generic other hybrid dynamic systems, possesses more preferably fuel-economizing effect
Can, have lower cost advantage, in dynamic market mixed at present, has broader practice prospect.
The main purpose for developing hybrid power is to obtain more preferably oil-saving effect.But due to hybrid power currently on the market
The shortcomings that organization plan, majority are P2 structures, and achievable operating mode is again less, P2 structure is that motor driving force will be through
It crosses inside gear, and then output power, in this course due to the influence of gearbox transmission efficiency, motor power loss
More, electric energy conversion ratio is low；P2 arrangement works mode is single, and the speed change system of most of P2 structures cannot achieve pure engine mould
Formula and idling power generation, therefore a kind of operating mode multiplicity, the high mixed dynamic speed change system demand of running efficiency of system seem very urgent
It cuts.
For the selection of hybrid dynamic system single motor, bi-motor scheme, based on structure arrangement, cost and cost performance aspect point
Analysis, bi-motor scheme is with high costs, arranges more difficult, it is most important that bi-motor hybrid dynamic system is due to logic control difficulty, electricity
The composite factors such as machine operational efficiency section limitation also fail to obtain ideal in terms of oil-saving effect as a result, cost effectiveness is bad,
ECVT system is limited by the limitation of Toyota's patented technology, and the hybrid dynamic system solution development of ECVT can not technically be gone beyond.
Based on the above analysis, a kind of operating mode multiplicity is developed, system oil-saving effect is obvious, and has cost advantage, takes
Effect is than high hybrid dynamic system by with broader prospect and advantage, and here it is hybrid power stepless speed-changing systems
Summary of the invention
For the deficiencies in the prior art, the purpose of the present invention is to provide it is a kind of it is compact-sized, take into account a variety of works
Operation mode has cost advantage and easily controllable hybrid power stepless speed change device；It is filled based on the hybrid power electrodeless variable-speed
It sets, the present invention also provides a kind of control methods of hybrid power stepless speed change device.
To achieve the above object, the technical solution of the present invention is as follows: a kind of hybrid power stepless speed change device, including gearbox
Input shaft, driving motor, stepless speed changing mechanism, planetary gear set and output shaft of gear-box, the driving motor pass through planet tooth
Wheel group is connect with output shaft of gear-box, and transmission input shaft is connect with stepless speed changing mechanism, and stepless speed changing mechanism passes through planet tooth
Wheel group is connect with output shaft of gear-box.
Further, one end of the transmission input shaft is connect by torsional vibration damper with engine, gearbox input
The other end of axis passes through the input axis connection of C1 clutch and stepless speed changing mechanism, the output shaft and planet tooth of stepless speed changing mechanism
The connection of wheel group.
Further, the driving motor includes rotor, motor stator and motor output shaft, inside driving motor
Rotor is connect with motor output shaft, and motor stator is connected on driving motor shell.
Further, the planetary gear set includes sun gear, planetary gear, gear ring and planet stent, and gear ring is defeated with motor
The output axis connection of axis connection out, sun gear and stepless speed changing mechanism, sun gear are connect by planetary gear with gear ring, planet stent
It is connect with planetary gear, planet stent is connect with output shaft of gear-box.
Further, the motor output shaft is nested in the outer rim of transmission input shaft, and motor output shaft is defeated with gearbox
Entering between axis is clearance fit and nothing interferes with each other.
Further, the motor output shaft is connected close to one end of engine by C0 clutch and transmission input shaft
It connects, the other end of motor output shaft is connect with planetary gear set.
Further, the motor output shaft is equipped with gear far from the other end of engine, and motor output shaft is separate to be started
One end of machine is connected by gear and the gear ring of planetary gear set.
Further, the output shaft of the stepless speed changing mechanism is connect by C2 clutch with the shaft on sun gear.
Further, it is connected between the sun gear and gear ring by C3 clutch, the half of C3 clutch is connected to too
In the shaft of sun wheel, the other half of C3 clutch is connected on gear ring, and sun gear is fixedly connected by C3 clutch with gear ring.
The invention further relates to a kind of control method of hybrid power stepless speed change device, the control method includes:
A) electric-only mode: C3 clutch is closed, and the gear ring in planetary gear set is fixed with sun gear, the electricity of driving motor
Machine output shaft is connect by gear with gear ring, in motor power driven gear ring and then is pushed planet stent rotation, is crossed stepless
The motor power of driving motor is directly transported to output shaft of gear-box by gear, at this point, C2 clutch separation, driving motor
Power do not dragged interference by the counter of stepless speed change mechanism；
B) pure engine mode: C1 clutch closure, the input axis connection of parameter case input shaft and stepless speed change mechanism, C2
Clutch is closed, and the sun gear connection in the output shaft and planetary gear set of stepless speed change mechanism, parameter case input shaft will start
The power of machine is transmitted on stepless speed change mechanism through input shaft, power is passed in planetary gear set by output shaft, in turn
Engine power is transported to output shaft of gear-box；
C) mix dynamic model formula: C1 clutch, C2 clutch and C3 clutch are closed, and the power of engine is through stepless speed changer
Structure is transmitted to sun gear, and the power of driving motor is transmitted to gear ring, gear ring when C3 clutch is closed through motor output shaft and gear
It is fixed with sun gear, the power of engine and the power of driving motor are fused together and are transmitted on planet stent through planetary gear,
And then it is transported to output shaft of gear-box；
D) idling power generation mode: C0 clutch closure, motor output shaft close to one end of engine by C0 clutch with
Transmission input shaft connection, and then connect with engine, the power of engine is transmitted to motor output shaft through transmission input shaft,
Motor output shaft rotates drive motor rotor rotation, and rotor rotates relative to motor stator and realizes power generation；
E) driving power generation mode: C1 clutch, C2 clutch and C0 clutch are closed, and power one of engine generation
Lease making stepless speed change mechanism and planetary gear set are transported to output shaft of gear-box driving vehicle driving, and the power that engine generates is another
A part is transmitted to motor output shaft through transmission input shaft, and motor output shaft rotation drive motor rotor rotation generates electricity.
The advantages of using technical solution of the present invention are as follows:
1, driving motor is arranged in after engine and C0 clutch in the present invention, before 3 input terminal of stepless speed changing mechanism, electricity
Machine output shaft is nested in the outer rim of transmission input shaft, for clearance fit and without phase between motor output shaft and transmission input shaft
The arrangement of mutually interference, driving motor is P1 arragement construction, and space layout is good, output of the motor output shaft far from engine
End connects output shaft of gear-box across stepless speed change mechanism, realizes P3 function, hybrid power stepless speed change device operation effect
Rate is high, and single motor scheme, has more cost advantage.
2, the present invention is by setting C0 clutch, first is that realizing that the power of driving motor is loaded onto transmission input shaft and hair
Motivation output end realizes engine start；Second is that C0 clutch be closed, motor output shaft close to one end of engine by C0 from
Clutch is connect with transmission input shaft, and then is connect with engine, and the power of engine is transmitted to motor through transmission input shaft
Output shaft, motor output shaft rotate drive motor rotor rotation, and rotor is rotated relative to motor stator, realize idling power generation
Function.
3, for the present invention under electric-only mode, the power of C2 clutch separation, driving motor will not be by stepless speed change mechanism
Counter drag interference；The setting of C3 clutch is fixed together sun gear with gear ring, then pushes planet stent rotation, C3
Clutch fixes sun gear with gear ring, it is ensured that planet stent rotation is synchronous with the rotation of gear ring, avoids sun gear and gear ring
When being not fixed to together, when sun gear own rotation, causes to interfere to the rotation of planet stent, star holder pivots and gear ring occurs
The nonsynchronous phenomenon of rotation.
4, hybrid power stepless speed change device of the invention is compact-sized, takes into account multiple-working mode, has cost advantage
And it is easily controllable, since hybrid power stepless speed change device of the invention takes into account multiple-working mode, so with other mixed dynamic systems
System is compared, and the comprehensive operating condition oil consumption of vehicle can be greatly reduced.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is the structural schematic diagram of hybrid power stepless speed change device.
Label in above-mentioned figure is respectively as follows: 1, transmission input shaft；2, driving motor；3, stepless speed changing mechanism；4, planet
Gear set；5, output shaft of gear-box；6, torsional vibration damper；70, C0 clutch；71, C1 clutch；72, C2 clutch；73,C3
Clutch；8, engine；9, differential mechanism；10, electrodynamic pump.
Specific embodiment
In the present invention, it is to be understood that term " length ", " width ", "upper", "lower", "front", "rear", " left side ",
" right side ", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " in-plane ", " week
To " etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
As shown in Figure 1, a kind of hybrid power stepless speed change device, including transmission input shaft 1, driving motor 2, stepless change
Fast mechanism 3, planetary gear set 4 and output shaft of gear-box 5, driving motor 2 are connected by planetary gear set 4 and output shaft of gear-box 5
It connects, transmission input shaft 1 is connect with stepless speed changing mechanism 3, and stepless speed changing mechanism 3 is exported by planetary gear set 4 and gearbox
Axis 5 connects.Hybrid power stepless speed change device of the invention further includes multiple clutches, passes through different types of Combined clutch
Realize different operating modes.One end of transmission input shaft 1 is connect by torsional vibration damper 6 with engine 8, gearbox input
The other end of axis 1 is connect by C1 clutch 71 with the input shaft 31 of stepless speed changing mechanism 3, the output shaft of stepless speed changing mechanism 3
32 connect with planetary gear set 4.
Planetary gear set 4 includes sun gear 41, planetary gear 42, gear ring 43 and planet stent 44, and gear ring 43 and motor export
Axis 23 connects, and sun gear 41 is connect with the output shaft 32 of stepless speed changing mechanism 3, and sun gear 41 is connected by planetary gear 42 and gear ring 43
It connects, planet stent 44 is connect with planetary gear 42, and planet stent 44 is connect with output shaft of gear-box 5.
Hybrid power stepless speed change device of the invention is compact-sized, takes into account multiple-working mode, have cost advantage and
It is easily controllable, since hybrid power stepless speed change device of the invention takes into account multiple-working mode, so with other hybrid dynamic systems
It compares, the comprehensive operating condition oil consumption of vehicle can be greatly reduced.
Driving motor 2 includes rotor 21, motor stator 22 and motor output shaft 23, in 2 motor internal of driving motor
Rotor 21 is connect with motor output shaft 23, and motor stator 22 is connected on driving motor shell.Motor output shaft 23 is nested in change
The outer rim of fast case input shaft 1, is clearance fit between motor output shaft 23 and transmission input shaft 1 and nothing interferes with each other.Motor
Output shaft 23 is connect by C0 clutch 70 with transmission input shaft 1 close to one end of engine 8, motor output shaft 23 it is another
End is connect with planetary gear set 4.Motor output shaft 23 is equipped with gear 24 far from the other end of engine 8, and motor output shaft 23 is remote
One end from engine 8 is connect by gear 24 with the gear ring 43 of planetary gear set 4.
Driving motor 2 is arranged in after engine 8 and C0 clutch 70 in the present invention, before 3 input terminal of stepless speed changing mechanism,
Motor output shaft 23 is nested in the outer rim of transmission input shaft 1, matches between motor output shaft 23 and transmission input shaft 1 for gap
It closes and nothing interferes with each other, the arrangement of driving motor 2 is P1 arragement construction, and space layout is good, and motor output shaft 23 is separate
The output end of engine connects output shaft of gear-box 5 across stepless speed change mechanism 3, realizes P3 function, the hybrid power is electrodeless
Speed change gear operational efficiency is high, and single motor scheme, has more cost advantage.
By the way that C0 clutch 70 is arranged, first is that realizing that the power of driving motor 2 is loaded onto transmission input shaft 1 and engine
Output end realizes engine start；There are two types of modes for the starting of engine in the present invention: first way is using traditional
Starter starts engine, and the second way is to pass through C0 clutch in the case where C1 clutch 71 and C2 clutch 72 are closed
70 closure starting engines.Second is that C0 clutch 70 is closed, motor output shaft 23 passes through C0 clutch close to one end of engine 8
70 connect with transmission input shaft 1, and then connect with engine, and the power of engine is transmitted to motor through transmission input shaft 1
Output shaft 23, motor output shaft 23 rotate drive motor rotor 21 and rotate, and rotor 21 is rotated relative to motor stator 22, real
Existing idling generating function.
The output shaft 32 of stepless speed changing mechanism 3 is connect by C2 clutch 72 with the shaft 411 on sun gear 41.In pure electricity
Under dynamic model formula, C2 clutch 72 is separated, and the power of driving motor 2 will not be dragged interference by the counter of stepless speed change mechanism.Sun gear 41
Connect between gear ring 43 by C3 clutch 73, the half of C3 clutch 73 is connected in the shaft 411 of sun gear 41, C3 from
The other half of clutch 73 is connected on gear ring 43, and sun gear 41 is fixedly connected by C3 clutch 73 with gear ring 43.C3 clutch
73 setting is fixed together sun gear 41 with gear ring 43, then planet stent 44 is pushed to rotate, and C3 clutch 73 makes
Sun gear 41 and gear ring 43 are fixed, it is ensured that the rotation of planet stent 44 is synchronous with the rotation of gear ring 43, avoids sun gear 41 and tooth
Circle 43 is when being not fixed to together, and when 41 own rotation of sun gear causes to interfere to the rotation of planet stent 44, prong frame 44 occurs
The nonsynchronous phenomenon of rotation of rotation and gear ring 43.
Hybrid power stepless speed change device further includes differential mechanism 9 and provides lubrication and oil pressure to close power stepless speed change device
Electrodynamic pump 10, differential mechanism 9 connect with output shaft of gear-box 5, and output shaft of gear-box 5 is equipped with gear I 51 and gear II 52, tooth
Take turns I 51 and gear II 52 be socketed on output shaft of gear-box 5, output shaft of gear-box 5 is connected by gear I 51 and planet stent 44
It connects, output shaft of gear-box 5 is connect by gear II 52 with differential mechanism 9.
Based on above-mentioned hybrid power stepless speed change device, the present invention also provides a kind of hybrid power stepless speed change devices
Control method, the control method include:
A) electric-only mode: C3 clutch 73 is closed, and the gear ring 43 and sun gear 41 in planetary gear set 4 are fixed, driving
The motor output shaft 23 of motor 2 is connect by gear 24 with gear ring 43, in motor power driven gear ring 43 and then pushes planet
Bracket 44 rotates, and crosses stepless speed changing mechanism 3 and the motor power of driving motor 2 is directly transported to output shaft of gear-box 5, this
When, C2 clutch 72 separates, and the power of driving motor 2 is not dragged interference by the counter of stepless speed change mechanism；
B) pure engine mode: C1 clutch 71 is closed, the input shaft 31 of parameter case input shaft 1 and stepless speed change mechanism 3
Connection, C2 clutch 72 are closed, and the output shaft 32 of stepless speed change mechanism 3 is connect with the sun gear 41 in planetary gear set 4, parameter
The power of engine is transmitted on stepless speed change mechanism 3 by case input shaft 1 through input shaft 31, by output shaft 32 by power through transmitting
Output shaft of gear-box 5 is transported to onto planetary gear set 4, and then by engine power；
C) mix dynamic model formula: C1 clutch 71, C2 clutch 72 and C3 clutch 73 are closed, and the power of engine is through stepless
Gear 3 is transmitted to sun gear 41, and the power of driving motor 2 is transmitted to gear ring 43, C3 through motor output shaft 23 and gear 24
Gear ring 43 and sun gear 41 are fixed when clutch 73 is closed, the power of engine and the power of driving motor 2 be fused together through
Planetary gear 42 is transmitted on planet stent 44, and then is transported to output shaft of gear-box 5；
D) idling power generation mode: C0 clutch 70 is closed, and motor output shaft 23 passes through C0 clutch close to one end of engine 8
Device 70 is connect with transmission input shaft 1, and then is connect with engine, and the power of engine is transmitted to electricity through transmission input shaft 1
Machine output shaft 23, motor output shaft 23 rotate drive motor rotor 21 and rotate, and rotor 21 is rotated relative to motor stator 22
Realize power generation；
E) driving power generation mode: C1 clutch 71, C2 clutch 72 and C0 clutch 70 are closed, and engine generates dynamic
Power a part is transported to output shaft of gear-box 5 through stepless speed change mechanism 3 and planetary gear set 4 and drives vehicle driving, and engine produces
Raw power another part is transmitted to motor output shaft 23 through transmission input shaft 1, and the rotation of motor output shaft 23 drives motor to turn
21 rotation of son generates electricity.
The present invention is exemplarily described in conjunction with attached drawing above, it is clear that the present invention implements not by aforesaid way
Limitation, as long as use technical solution of the present invention carry out various unsubstantialities improvement, or it is not improved will be of the invention
Conception and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (10)
1. a kind of hybrid power stepless speed change device, it is characterised in that: including transmission input shaft (1), driving motor (2), nothing
Grade gear (3), planetary gear set (4) and output shaft of gear-box (5), the driving motor (2) pass through planetary gear set (4)
It is connect with output shaft of gear-box (5), transmission input shaft (1) is connect with stepless speed changing mechanism (3), and stepless speed changing mechanism (3) is logical
Planetary gear set (4) is crossed to connect with output shaft of gear-box (5).
2. a kind of hybrid power stepless speed change device as described in claim 1, it is characterised in that: the transmission input shaft
(1) one end is connect by torsional vibration damper (6) with engine (8), and the other end of transmission input shaft (1) passes through C1 clutch
(71) it is connect with the input shaft (31) of stepless speed changing mechanism (3), the output shaft (32) and planetary gear set of stepless speed changing mechanism (3)
(4) it connects.
3. a kind of hybrid power stepless speed change device as claimed in claim 2, it is characterised in that: driving motor (2) packet
Rotor (21), motor stator (22) and motor output shaft (23) are included, in driving motor (2) motor internal rotor (21) and electricity
Machine output shaft (23) connection, motor stator (22) are connected on driving motor shell.
4. a kind of hybrid power stepless speed change device as claimed in claim 3, it is characterised in that: the planetary gear set (4)
Including sun gear (41), planetary gear (42), gear ring (43) and planet stent (44), gear ring (43) and motor output shaft (23) are even
It connects, sun gear (41) is connect with the output shaft (32) of stepless speed changing mechanism (3), and sun gear (41) passes through planetary gear (42) and gear ring
(43) it connects, planet stent (44) is connect with planetary gear (42), and planet stent (44) is connect with output shaft of gear-box (5).
5. a kind of hybrid power stepless speed change device as claimed in claim 4, it is characterised in that: the motor output shaft (23)
It is nested in the outer rim of transmission input shaft (1), is clearance fit and nothing between motor output shaft (23) and transmission input shaft (1)
It interferes with each other.
6. a kind of hybrid power stepless speed change device as claimed in claim 5, it is characterised in that: the motor output shaft (23)
One end close to engine (8) is connect by C0 clutch (70) with transmission input shaft (1), motor output shaft (23) it is another
End is connect with planetary gear set (4).
7. a kind of hybrid power stepless speed change device as claimed in claim 6, it is characterised in that: the motor output shaft (23)
The other end far from engine (8) is equipped with gear (24), and motor output shaft (23) passes through gear far from the one end of engine (8)
(24) it is connect with the gear ring (43) of planetary gear set (4).
8. a kind of hybrid power stepless speed change device as claimed in claim 7, it is characterised in that: the stepless speed changing mechanism
(3) output shaft (32) is connect by C2 clutch (72) with the shaft (411) on sun gear (41).
9. a kind of hybrid power stepless speed change device as claimed in claim 8, it is characterised in that: the sun gear (41) and tooth
It encloses between (43) and is connected by C3 clutch (73), the half of C3 clutch (73) is connected to the shaft (411) of sun gear (41)
On, the other half of C3 clutch (73) is connected on gear ring (43), and sun gear (41) passes through C3 clutch (73) and gear ring (43)
It is fixedly connected.
10. a kind of a kind of control method of hybrid power stepless speed change device as claimed in any one of claims 1 to 9,
Be characterized in that: the control method includes:
A) electric-only mode: C3 clutch (73) is closed, and the gear ring (43) and sun gear (41) in planetary gear set (4) are fixed,
The motor output shaft (23) of driving motor (2) is connect by gear (24) with gear ring (43), in motor power driven gear ring (43)
When so push planet stent (44) to rotate, cross stepless speed changing mechanism (3) and directly convey the motor power of driving motor (2)
To output shaft of gear-box (5), at this point, C2 clutch (72) separates, the power of driving motor (2) is not by the anti-of stepless speed change mechanism
Drag interference；
B) pure engine mode: C1 clutch (71) closure, the input shaft of parameter case input shaft (1) and stepless speed change mechanism (3)
(31) it connects, C2 clutch (72) closure, the output shaft (32) and the sun in planetary gear set (4) of stepless speed change mechanism (3)
(41) connection is taken turns, the power of engine is transmitted on stepless speed change mechanism (3) by parameter case input shaft (1) through input shaft (31),
Power is passed on planetary gear set (4) by output shaft (32), and then engine power is transported to output shaft of gear-box
(5)；
C) mix dynamic model formula: C1 clutch (71), C2 clutch (72) and C3 clutch (73) are closed, and the power of engine is through nothing
Grade gear (3) is transmitted to sun gear (41), and the power of driving motor (2) is transmitted through motor output shaft (23) and gear (24)
To gear ring (43), gear ring (43) and sun gear (41) are fixed when C3 clutch (73) is closed, the power and driving motor of engine
(2) power is fused together to be transmitted on planet stent (44) through planetary gear (42), and then is transported to output shaft of gear-box
(5)；
D) idling power generation mode: C0 clutch (70) closure, motor output shaft (23) close to engine (8) one end by C0 from
Clutch (70) is connect with transmission input shaft (1), and then is connect with engine, and the power of engine is through transmission input shaft (1)
It is transmitted to motor output shaft (23), motor output shaft (23) rotates drive motor rotor (21) rotation, and rotor (21) is opposite
It is rotated in motor stator (22) and realizes power generation；
E) driving power generation mode: C1 clutch (71), C2 clutch (72) and C0 clutch (70) are closed, what engine generated
Power a part is transported to output shaft of gear-box (5) driving vehicle driving through stepless speed change mechanism (3) and planetary gear set (4),
Power another part that engine generates is transmitted to motor output shaft (23) through transmission input shaft (1), motor output shaft (23)
Rotation drive motor rotor (21) rotation generates electricity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811240420.1A CN109435674B (en) | 2018-10-24 | 2018-10-24 | Hybrid power stepless speed change device and control method thereof |
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| CN201811240420.1A CN109435674B (en) | 2018-10-24 | 2018-10-24 | Hybrid power stepless speed change device and control method thereof |
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| CN114953959A (en) * | 2022-07-29 | 2022-08-30 | 浙江万里扬新能源驱动有限公司杭州分公司 | CVT-based hybrid power system |
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