CN109367383A - Stepless speed regulation drive system suitable for commercial multifunctional vehicle - Google Patents
Stepless speed regulation drive system suitable for commercial multifunctional vehicle Download PDFInfo
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- CN109367383A CN109367383A CN201811295326.6A CN201811295326A CN109367383A CN 109367383 A CN109367383 A CN 109367383A CN 201811295326 A CN201811295326 A CN 201811295326A CN 109367383 A CN109367383 A CN 109367383A
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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
- B60K6/22—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
- B60K6/38—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 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 driveline clutches
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for 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 present invention relates to a kind of stepless speed regulation drive system suitable for commercial multifunctional vehicle, which includes that engine, two motors, planetary gear set, damper, wet clutch and master subtract driven gear etc..By controlling engine, first motor, the working condition of the second motor, and the combination or separation of wet clutch, first motor assistant starting engine may be implemented, motor-powered vehicle travels and pass through first motor vehicle is operated alone to battery charging, the second motor and advances, realizes that Brake energy recovery, engine and the second motor drive that vehicle advances and engine directly drives the various modes such as vehicle advance jointly by the second motor, to reduce complete-vehicle oil consumption, promote vehicle accelerating ability, and driving experience in Assured Mode switching.
Description
Technical field
The present invention relates to a kind of stepless speed regulation drive systems suitable for commercial multifunctional vehicle, and a kind of includes the nothing
The vehicle of grade speed-adjusting driving system.
Background technique
As enterprise and society are to environmental protection and energy saving attention, and increasingly harsh national environmental protection and energy conservation
Laws and regulations requirement, hybrid vehicle will be increasingly becoming main market players in following a period of time.
Existing hybrid power transmission system mainly includes planetary gear shaft type and parallel-axes gears formula two types.The two is simultaneously
No superiority and inferiority can say that enterprise can select different technology paths according to self-technique accumulation, can to guarantee that product itself is durable
It leans on, accelerating ability, oil-saving effect, driver comfort etc. are had excellent performance.
The present invention relates to a kind of stepless speed regulation drive system suitable for commercial multifunctional vehicle, which includes starting
Machine, two motors, planetary gear set, damper, wet clutch and several secondary parallel-axis type gear sets etc..Started by control
The combination or separation of machine, the working condition of two motors and wet clutch, to realize that first motor assistant starting starts
Machine, motor-powered vehicle, which travel and pass through first motor vehicle is operated alone to battery charging, the second motor, to advance, by the
Two motors realize that Brake energy recovery, engine and the second motor drive vehicle advance and engine to directly drive vehicle jointly
The various modes such as advance promote vehicle accelerating ability, and driving experience in Assured Mode switching to reduce complete-vehicle oil consumption.
Summary of the invention
The present invention relates to a kind of stepless speed regulation drive system suitable for commercial multifunctional vehicle, it is capable of providing effective
Power transmission and improved user experience.The invention further relates to a kind of vehicles including above-mentioned stepless speed regulation driving.Of the invention
Stepless speed regulation drive system suitable for commercial multifunctional vehicle, comprising: engine, two motors, planetary gear set, vibration dampings
Device, wet clutch, master subtract driven gear；
Planetary gear set includes sun gear, several planetary gears, outer gear ring and planet carrier；Planetary gear is arranged around sun gear,
And planetary gear is engaged with sun gear, outer gear ring inner ring gear, pin shaft is fixed on planet carrier, planetary gear is rotatably installed on
On pin shaft (such as planetary gear passes through needle bearing empty set on pin shaft respectively)；
Engine is successively connected with the planet carrier of a mechanical axis, damper, mechanical two axis, planetary gear set；
The spoke of outer gear ring can be connected as one with mechanical two axis by wet clutch；
First motor is connected by an electronic axis with the sun gear in planetary gear set；
Outer gear ring in planetary gear set subtracts driven gear with master by first path and is connected；
Second motor subtracts driven gear with master by the second path and is connected；
The first path and the second path passes through several secondary parallel-axis type gear sets and realizes；
By controlling the combination of engine, first motor, the working condition of the second motor and wet clutch or dividing
From, it can be achieved that plurality of operating modes.
In above-mentioned technical proposal, it is preferred that the first path includes mechanical level-one driven gear, mechanical second level active
Gear, mechanical level-one driven gear, mechanical second level driving gear are connected by first axle, the outer ring gear and machinery one of outer gear ring
Grade driven gear is connected by gear pair, and mechanical second level driving gear subtracts driven gear with master and is connected by gear pair.
Preferably, second path include electronic two axis, electronic level-one driving gear, electronic level-one driven gear,
Electronic second level driving gear, wherein electronic two axis and electronic level-one driving gear are connected, electronic level-one driving gear and electronic one
Grade driven gear is connected by gear pair, and electronic level-one driven gear, electronic second level driving gear are connected by the second axis, electronic
Second level driving gear subtracts driven gear with master and is connected by gear pair.
Preferably, the outer ring gear Yu outer gear ring spoke of the outer gear ring are connected.
The invention further relates to a kind of vehicles comprising above-mentioned stepless speed regulation drive system.
Specifically, in the embodiment shown in fig. 1, at least one of engine, motor MG1 and motor MG2 are mentioned
It is inputted for power.Planetary gear set and gear pair with parallel axes cooperate power selectively by engine, motor MG1 and motor
At least one of MG2 power and/or be output to master subtract driven gear.
Although in the illustrated embodiment, being connected between electronic input shaft and electronic output shaft by eg gear gear set,
It will be readily appreciated, however, that between electronic input shaft and electronic output shaft settable more gear sets or using other transmission knot
Structure.
In addition, the gear quantity in planetary gear can also increase or decrease according to actual needs.
In addition, the pin shaft quantity in pin shaft can also increase or decrease according to actual needs.
It is easily understood that respectively the number of gears in gear gear set can increase or decrease according to actual needs, and tooth
Wheel group gear number can also be set according to actual needs.For example, outer ring gear can be not arranged in outer gear ring, can pass through
Needle bearing empty set is connected on two axis of mechanical input with outer gear ring spoke.The quantity of mechanical primary transmission gear set can increase
It adds deduct few, the invention is intended to cover these variations and modifications.
By controlling engine, MG1 motor, the working condition of MG2 motor and the combination or separation of wet clutch,
Plurality of operating modes may be implemented, include but is not limited to the mixed dynamic drive mode, pure electric drive mould that will be described below
Mode and energy regenerating etc. is operated alone in formula, idling charge mode, motor assist starting engine mode, engine.
Detailed description of the invention
The present invention is explained in further detail below with reference to attached drawing and preferred embodiment, but art technology
Personnel it will be appreciated that, these attached drawings are drawn for the purpose for explaining preferred embodiment, and therefore should not be made
For limiting the scope of the invention.In addition, unless otherwise indicated, attached drawing is only intended to the group for conceptually indicating described object
At or construct and expansiveness can have been can be carried out show, and attached drawing is also not necessarily drawn to scale.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of stepless speed regulation drive system of the invention.
Specific embodiment
Carry out detailed description of the present invention preferred embodiment below with reference to attached drawing.Skilled artisans will appreciate that
These descriptions are only descriptive, illustrative, and should not be interpreted as limiting protection scope of the present invention.
Firstly, it is necessary to explanation, the top that is previously mentioned herein, bottom, upward, towards inferior positional terms be opposite
Come what is defined, they are opposite concepts in direction in each attached drawing, and therefore being capable of different positions according at it
It sets and changes with different practical states.So restricted term should not be interpreted as these or other positional terms.
Furthermore, it should be further noted that for any single technical characteristic for describing or implying in the embodiments herein, or
Any single technical characteristic for being shown in the accompanying drawings or implying still is able to continue between these technical characteristics (or its equivalent)
It is combined, to obtain the other embodiment of the present invention not referred to directly herein.
In addition, in different drawings, identical reference label indicates same or about component.
Fig. 1 is the structure of one embodiment of the stepless speed regulation drive system for being suitable for commercial multifunctional vehicle of the invention
Schematic diagram.Wherein, hybrid power transmission system according to the present invention includes:
Engine Engine is connected by one axis 1A of machinery with damper 2, and damper 2 passes through two axis 1B of machinery and row
Carrier 4 is connected, while two axis 1B of machinery are connected by wet clutch 3 with 5 spoke 6 of outer gear ring.
Several pin shafts are arranged on planet carrier 4, as shown in 7A, 7B in planetary gear set；Several planetary gears, such as 8A, 8B institute
Show, respectively through needle bearing empty set on pin shaft.It is connected on the inside of planetary gear 8A, 8B with sun gear 9 simultaneously, planetary gear
It is connected on the outside of 8A, 8B with inner ring gear 6ri in outer gear ring 5.Sun gear 9 is connected by an electronic axis 10 with first motor MG1.
Mechanical secondary transmission gear pair, outer ring gear 6ro is connected with mechanical level-one driven gear 11 in outer gear ring 5, machinery
Second level driving gear g1 subtracts driven gear g2 with master and is connected, while mechanical level-one driven gear 11, mechanical second level driving gear g1
It is connected with first axle 12.
Electronic secondary transmission gear pair, the second motor MG2 pass through electronic two axis 13 and electronic level-one driving gear eg1 phase
Even, electronic level-one driving gear eg1 is connected with electronic level-one driven gear eg2, and electronic second level driving gear g3 subtracts driven with master
Gear g2 is connected, while electronic level-one driven gear eg2, electronic second level driving gear g3 are connected with the second axis 14.
Optionally, two axis 1B of machinery are configured to combine or separate with outer gear ring spoke 6, as passed through the wet type in this example
Clutch.
The invention further relates to a kind of vehicles comprising the above-mentioned stepless speed regulation for being suitable for commercial multifunctional vehicle drives system
System.
Specifically, in the embodiment shown in fig. 1, engine Engine, first motor MG1 and the second motor MG2
At least one of provide power input.Planetary gear set and gear pair with parallel axes cooperate power selectively by engine
At least one of Engine, first motor MG1 and the second motor MG2 power and/or be output to master subtract driven gear g2.
Although in the illustrated embodiment, being connected between electronic two axis 13 and the second axis 14 by eg gear gear set,
It is easily understood that between electronic two axis 13 and the second axis 14 settable more gear sets or use other drive mechanisms.
In addition, the gear quantity in planetary gear 8A, 8B can also increase or decrease according to actual needs.
In addition, the pin shaft quantity in pin shaft 7A, 7B can also be increased or decreased according to actual needs it is easily understood that each
Number of gears in gear gear set can increase or decrease according to actual needs, and gear set gear number can also be according to reality
It needs to set.For example, outer ring gear 6ro can be not arranged in outer gear ring 5, it can be by needle bearing empty set in machinery two
On axis 1B, it is connected with outer gear ring spoke 5.The quantity of mechanical primary transmission gear set can increase or decrease, and the invention is intended to cover
Lid these variations and modifications.
Pass through the combination of control engine, first motor MG1, the working condition of the second motor MG2 and wet clutch
Or separation, plurality of operating modes may be implemented, include but is not limited to the mixed dynamic drive mode, pure electricity that will be described below
Mode and energy regenerating etc. is operated alone in drive mode, idling charge mode, motor assist starting engine mode, engine.
It will carry out detailed description of the present invention hybrid variable-speed transmission system by taking embodiment shown in Fig. 1 as an example below
Each operational mode:
Mode 1.1: mixed dynamic drive mode
1) engine Engine and the second motor MG2 is main multi-power driven vehicle driving mode:
In the embodiment shown in fig. 1, engine Engine output power passes through machinery one axis 1A, damper 2 and machinery
Power is transferred to planet carrier 4 by two axis 1B, so that planetary gear 8A, 8B be driven to rotate.The transmitting of engine output power a part
First motor MG1 power generation is driven, is charged for battery by an electronic axis 10 to sun gear 9；First motor MG1 can also be at this time
Idle running, does not generate electricity；Engine output power another part is transferred to outer gear ring, and by outer gear ring internal gear 6ri, outer gear ring outside
Gear 6ro, mechanical level-one driven gear 11, will move by power transmission to first axle 12, then by machinery second level driving gear g1
Power is transmitted to master and subtracts driven gear g2.
At the same time, battery power is converted mechanical energy by the second motor MG2, and passes through electronic two axis 13 and electronic level-one
Power is transferred to the second axis 14 by driving gear eg1, then by electronic second level driving gear g3 by power be transferred to it is main subtract it is driven
Gear g2.
It exports from engine Engine to planet carrier 4 and planetary gear 8A, 8B, outer gear ring internal gear 6ri, outer gear ring external tooth
Power transmission to master is subtracted driven gear g2 by wheel 6ro, mechanical level-one driven gear 11, machinery second level driving gear g1；Second electricity
Power is transferred to master by electronic level-one driving gear eg1, electronic second level driving gear g3 and subtracts driven gear g2 by machine MG2.Hair
Motivation Engine and the second motor MG2 output power are coupled in main subtract at driven gear g2, to be passed by differential mechanism and semiaxis
It is handed to wheel, driving vehicle advances.
According to above-mentioned operational mode, it can be realized engine Engine and the second motor MG2 multi-power driven vehicle travel, together
When first motor MG1 selectively charge according to demand.
2) engine Engine and first motor MG1 is main multi-power driven vehicle driving mode:
In the embodiment shown in fig. 1, engine Engine output power passes through machinery one axis 1A, damper 2 and machinery
Power is transferred to planet carrier 4 by two axis 1B, so that planetary gear 8A, 8B be driven to rotate.
At the same time, battery power is converted to by mechanical energy by first motor MG1, power is transmitted by an electronic axis 10
To sun gear 9, so that engine output power couples at planetary gear 8A, 8B with first motor MG1 output power.
And by outer gear ring internal gear 6ri, outer gear ring external gear 6ro, mechanical level-one driven gear 11, extremely by power transmission
First axle 12, then power transmission to master is subtracted by driven gear g2 by machinery second level driving gear g1.To by differential mechanism and
Semiaxis is transferred to wheel, and driving vehicle advances.
The second motor MG2 may be at off position at this time, can also be in charged state.
If being in charged state, by the main power for subtracting driven gear g2, pass through electronic second level driving gear g3, the second axis
14, electronic level-one driven gear eg2, electronic level-one driving gear eg1, electronic two axis 13 are successively transferred to the second motor MG2, from
And electric energy is converted mechanical energy into, it charges for battery.
3) engine Engine and first motor MG1, the second motor MG2 are main multi-power driven vehicle driving mode:
In the embodiment shown in fig. 1, engine Engine output power passes through machinery one axis 1A, damper 2 and machinery
Power is transferred to planet carrier 4 by two axis 1B, so that planetary gear 8A, 8B be driven to rotate.
At the same time, battery power is converted to by mechanical energy by first motor MG1, power is transmitted by an electronic axis 10
To sun gear 9, so that engine output power couples at planetary gear 8A, 8B with first motor MG1 output power.
And by outer gear ring internal gear 6ri, outer gear ring external gear 6ro, mechanical level-one driven gear 11, extremely by power transmission
First axle 12, then power transmission to master is subtracted by driven gear g2 by machinery second level driving gear g1.
At the same time, battery power is converted mechanical energy by the second motor MG2, passes through electronic two axis 13 and electronic level-one master
Power is transferred to the second axis 14 by moving gear eg1, then power is transferred to master by electronic second level driving gear g3 and subtracts driven tooth
Take turns g2.
It exports from engine Engine and first motor MG1 to planet carrier 4 and planetary gear 8A, 8B, outer gear ring internal gear
6ri, outer gear ring external gear 6ro, mechanical level-one driven gear 11, machinery second level driving gear g1 subtract power transmission to master driven
Gear g2.Power is transferred to master by electronic level-one driving gear eg1, electronic second level driving gear g3 and subtracted by the second motor MG2
Driven gear g2.
The power of engine Engine and first motor MG1 and the second motor MG2 output subtracts at driven gear g2 in master
Coupling, to be transferred to wheel by differential mechanism and semiaxis, driving vehicle advances.
Therefore, engine Engine and first motor MG1, the second motor MG2 drive vehicle driving jointly.
Mode 1.2: pure electric drive mode
In the embodiment shown in fig. 1, it can be driven by first motor MG1, the second motor MG2 can also be passed through
It is driven.
1) first motor MG1 passes through planetary gear set drives mode:
Battery power is converted into mechanical energy by first motor MG1, power is transferred to sun gear by an electronic axis 10
9, and by planetary gear 8A, 8B, outer gear ring internal gear 6ri, outer gear ring external gear 6ro, mechanical level-one driven gear 11 will move
Power is transmitted to first axle 12, then power transmission to master is subtracted driven gear g2 by machinery second level driving gear g1.To pass through
Differential mechanism and semiaxis are transferred to wheel, and driving vehicle moves forward or back.
2) the second motor MG2 drive mode:
Battery power is converted mechanical energy by second motor MG2, passes through electronic two axis 13 and electronic level-one driving gear eg1
Power is transferred to the second axis 14, then power is transferred to by master by electronic second level driving gear g3 and subtracts driven gear g2.To
It is transferred to wheel by differential mechanism and semiaxis, driving vehicle moves forward or back.
3) first motor MG1 and the second motor MG2 drive mode simultaneously
Battery power is converted into mechanical energy by first motor MG1, power is transferred to sun gear by an electronic axis 10
9, and by planetary gear 8A, 8B, outer gear ring internal gear 6ri, outer gear ring external gear 6ro, mechanical level-one driven gear 11 will move
Power is transmitted to first axle 12, then power transmission to master is subtracted driven gear g2 by machinery second level driving gear g1.
At the same time, battery power is converted mechanical energy by the second motor MG2, passes through electronic two axis 13 and electronic level-one master
Power is transferred to the second axis 14 by moving gear eg1, then power is transferred to master by electronic second level driving gear g3 and subtracts driven tooth
Take turns g2.The power exported from first motor MG1 and the second motor MG2 is coupled in main subtract at driven gear g2, to pass through difference
Fast device and semiaxis are transferred to wheel, and driving vehicle moves forward or back.
Mode 1.3: idling charge mode
In the embodiment shown in fig. 1, when vehicle stops, when battery needs to charge.Engine Engine output power is led to
Two axis 1B of one axis 1A of machinery, damper 2 and machinery are crossed, power is transferred to planet carrier 4, so that planetary gear 8A, 8B be driven to turn
It is dynamic.Engine output power a part is transferred to sun gear 9, by an electronic axis 10, first motor MG1 power generation is driven, for electricity
Pond charging.
At this point, being transferred to planetary gear 8A, 8B since partial power passes through planet carrier 4, and pass through outer gear ring internal gear
6ri, outer gear ring external gear 6ro, mechanical level-one driven gear 11, by power transmission to first axle 12, then pass through mechanical second level master
Power transmission to master is subtracted driven gear g2 by moving gear g1, and the tendency of traveling will be present in vehicle.In order to avoid the non-phase occurs for vehicle
The traveling of prestige can keep vehicle original place static by controlling electronic brake system,electronic antiskid system.
It can also will be moved by the second motor MG2 output power by electronic two axis 13 and electronic level-one driving gear eg1
Power is transferred to the second axis 14, then power is transferred to master by electronic second level driving gear g3 and subtracts driven gear g2.Pass through second
Motor MG2 output power is balanced the power of output to driven gear g2, to keep vehicle original place static.
Above-mentioned refer to is moved with keeping vehicle original place static with by the second motor MG2 output by control electronic brake system,electronic antiskid system
Power is to keep vehicle original place is static can come into force simultaneously.
Engine charging power can also be effectively controlled, the torque for branching to wheel is made to be not enough to that vehicle is driven to advance.
It can also be by full-vehicle control, so that being not turned on idling charge function when vehicle is in neutral position state.
Mode 1.4: electric motor starting engine mode
1) when the vehicle is still, the operating mode of electric motor starting engine:
Battery power is converted into mechanical energy by first motor MG1, MG1 output power is transferred to by an electronic axis 10
Sun gear 9, and by planetary gear 8A, 8B, power is transferred to planet carrier 4, and pass through two axis 1B of machinery, damper 2, machinery
An axis 1A is inputted, power is transferred to engine Engine, to realize first motor MG1 assistant starting engine Engine.
At this point, being transferred to outer gear ring 5 since partial power passes through planet carrier 4, and pass through outer gear ring internal gear 6ri, external tooth
External gear 6ro, mechanical level-one driven gear 11 are enclosed, by power transmission to first axle 12, then passes through mechanical second level driving gear g1
Power transmission to master is subtracted into driven gear g2.Vehicle will be made to there is the tendency of traveling in this way, it can be by controlling electric brake
System keeps vehicle original place static.
It can also will be moved by the second motor MG2 output power by electronic two axis 13 and electronic level-one driving gear eg1
Power is transferred to the second axis 14, then power is transferred to master by electronic second level driving gear g3 and subtracts driven gear g2.Pass through second
Motor MG2 output power is balanced the power of output to driven gear g2, to keep vehicle original place static.
Above-mentioned refer to is moved with keeping vehicle original place static with by the second motor MG2 output by control electronic brake system,electronic antiskid system
Power is to keep vehicle original place is static can come into force simultaneously.
Engine charging power can also be effectively controlled, the torque for branching to wheel is made to be not enough to that vehicle is driven to advance.
It can also be by full-vehicle control, so that being not turned on idling charge function when vehicle is in neutral position state.
2) when vehicle in the process of moving, electric motor starting engine mode:
Battery power is converted into mechanical energy by first motor MG1, MG1 output power is transferred to by an electronic axis 10
Sun gear 9, and by planetary gear 8A, 8B, power is transferred to planet carrier 4, and pass through two axis 1B of machinery, damper 2, machinery
Power is transferred to engine Engine by one axis 1A, to realize first motor MG1 assistant starting engine Engine.
During startup, due to the intervention of first motor MG1, vehicle traction torque is caused to change.At this point, passing through
Power is transferred to the second axis 14 by electronic two axis 13 and electronic level-one driving gear eg1 by the second motor MG2 output power,
Power is transferred to by master by electronic second level driving gear g3 again and subtracts driven gear g2.It is right by the second motor MG2 output power
It exports to the power of driven gear g2 and is balanced, to keep vehicle smooth-ride.
Mode 1.5: mode is operated alone in engine
1) engine Engine drives vehicle to advance, and charges to first motor MG1:
In the embodiment shown in fig. 1, engine Engine output power passes through machinery one axis 1A, damper 2 and machinery
Two axis 1B, wet clutch 3 is in bonding state at this time, then planet carrier 4, outer gear ring 5, planetary gear 8A and 8B, 9 revolving speed of sun gear
Identical, engine output power a part is transferred to sun gear 9, by an electronic axis 10, drives first motor MG1 power generation, presses
It need to charge for battery.
Meanwhile engine output power another part is transferred to outer gear ring, and passes through outer gear ring internal gear 6ri, outer gear ring
External gear 6ro, mechanical level-one driven gear 11, by power transmission to first axle 12, then will by machinery second level driving gear g1
Power transmission subtracts driven gear g2 to master, to be transferred to wheel by differential mechanism and semiaxis, driving vehicle advances.
2) engine Engine drives vehicle to advance:
In the embodiment shown in fig. 1, engine Engine output power passes through machinery one axis 1A, damper 2 and machinery
Two axis 1B, wet clutch 3 is in bonding state at this time, then planet carrier 4, outer gear ring 5, planetary gear 8A and 8B, 9 revolving speed of sun gear
It is identical.Engine speed drives first motor MG1 rotation, at this time controls first motor MG1 on the one hand by an electronic axis 10
System idle running, does not consume power；On the other hand pass through outer gear ring internal gear 6ri, outer gear ring external gear 6ro, mechanical level-one driven tooth
Power transmission to master is subtracted driven gear g2 by power transmission to first axle 12, then by machinery second level driving gear g1 by wheel 11,
To be transferred to wheel by differential mechanism and semiaxis, driving vehicle advances.
Mode 1.6: Brake energy recovery mode
In the embodiment shown in fig. 1, during vehicle braking, wheel drives differential mechanism, and master is driven to subtract driven tooth
G2 rotation is taken turns, so that first axle 12 and machinery second level driving gear g1 be driven to rotate；And second axis 14 and electronic second level actively
Gear g3 rotation.
If carrying out energy regenerating by the second motor MG2, energy passes sequentially through electronic second level driving gear g3, the second axis
14, electronic level-one driven gear eg2, electronic level-one driving gear eg1 and electronic two axis 13, are transferred to the second motor MG2, pass through
Mechanical energy when braking is recovered as electric energy by MG2, is charged the battery.
If carrying out energy regenerating by first motor MG1, energy passes sequentially through mechanical second level driving gear g1, first axle
12, mechanical level-one driven gear 11, outer gear ring external gear 6ro, outer gear ring internal gear 6ri, planetary gear 8A and 8B, sun gear 9
With an electronic axis 10, it is transferred to first motor MG1, mechanical energy when braking is recovered as by electric energy by MG1, battery is filled
Electricity.The separation and combination of wet clutch can be controlled according to actual needs.
Energy regenerating is carried out above by first motor MG1, carrying out energy regenerating by the second motor MG2 can also be simultaneously
Work, details are not described herein.
According to above disclosure, those skilled in the art are easy to get comprising hybrid power transmission system of the invention
Vehicle.
The technical solution of the application on the basis of realizing variable speed, passes through the straight of novelty by planetary gear mechanism
Drive the design of gear structure and pure electric gear and subtract with mechanical gear transmitting power in master and is coupled at gear, control motor, engine and
The working condition of separating mechanism realizes engine start, engine direct drive, combination drive, pure electric drive, Brake energy recovery etc.
Mode, to promote vehicle fuel economy and drive impression.
Claims (6)
1. a kind of stepless speed regulation drive system suitable for commercial multifunctional vehicle characterized by comprising engine, two
Motor, planetary gear set, damper, wet clutch, master subtract driven gear；
Planetary gear set includes sun gear, several planetary gears, outer gear ring and planet carrier；Planetary gear is arranged around sun gear, and row
Star-wheel is engaged with sun gear, outer gear ring inner ring gear, pin shaft is fixed on planet carrier, planetary gear is rotatably installed on pin shaft
On；
Engine (Engine) successively with a mechanical axis (1A), damper (2), mechanical two axis (1B), planetary gear set planet
Frame (4) is connected；
The spoke (6) of outer gear ring can be connected as one with mechanical two axis (1B) by wet clutch (3)；
First motor (MG1) is connected by an electronic axis (10) with the sun gear (9) in planetary gear set；
Outer gear ring in planetary gear set subtracts driven gear (g2) with master by first path and is connected；
Second motor (MG2) subtracts driven gear (g2) with master by the second path and is connected；
The first path and the second path passes through several secondary parallel-axis type gear sets and realizes；
It, can by the combination or separation of control engine, first motor, the working condition of the second motor and wet clutch
Realize plurality of operating modes.
2. the stepless speed regulation drive system according to claim 1 for being suitable for commercial multifunctional vehicle, which is characterized in that the
One path includes mechanical level-one driven gear (11), mechanical second level driving gear (g1), mechanical level-one driven gear (11), machinery
Second level driving gear (g1) is connected by first axle (12), the outer ring gear (6ro) of outer gear ring and mechanical level-one driven gear
(11) it is connected by gear pair, mechanical second level driving gear (g1) subtracts driven gear (g2) with master and is connected by gear pair.
3. the stepless speed regulation drive system according to claim 1 for being suitable for commercial multifunctional vehicle, which is characterized in that the
Two paths include electronic two axis (13), electronic level-one driving gear (eg1), electronic level-one driven gear (eg2), electronic second level master
Moving gear (g3), wherein electronic two axis (13) and electronic level-one driving gear (eg1) are connected, electronic level-one driving gear (eg1)
It is connected with electronic level-one driven gear (eg2) by gear pair, electronic level-one driven gear (eg2), electronic second level driving gear
(g3) it is connected by the second axis (14), electronic second level driving gear (g3) subtracts driven gear (g2) with master and is connected by gear pair.
4. the stepless speed regulation drive system according to claim 1 for being suitable for commercial multifunctional vehicle, which is characterized in that institute
The outer ring gear (6ro) for the outer gear ring stated and outer gear ring spoke (6) are connected.
5. the stepless speed regulation drive system according to claim 1 for being suitable for commercial multifunctional vehicle, which is characterized in that institute
The plurality of operating modes stated includes mixed dynamic drive mode, pure electric drive mode, idling charge mode, motor assist starting engine
Mode and energy recuperation mode is operated alone in mode, engine.
6. a kind of vehicle, which is characterized in that be suitable for commercial multi-function vehicle including according to any one of claims 1-5
Stepless speed regulation drive system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295326.6A CN109367383A (en) | 2018-11-01 | 2018-11-01 | Stepless speed regulation drive system suitable for commercial multifunctional vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811295326.6A CN109367383A (en) | 2018-11-01 | 2018-11-01 | Stepless speed regulation drive system suitable for commercial multifunctional vehicle |
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| CN109367383A true CN109367383A (en) | 2019-02-22 |
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| CN201811295326.6A Pending CN109367383A (en) | 2018-11-01 | 2018-11-01 | Stepless speed regulation drive system suitable for commercial multifunctional vehicle |
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