CN108725176A - A kind of mixed dynamic power transmission of power dividing type - Google Patents
A kind of mixed dynamic power transmission of power dividing type Download PDFInfo
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- CN108725176A CN108725176A CN201810716925.4A CN201810716925A CN108725176A CN 108725176 A CN108725176 A CN 108725176A CN 201810716925 A CN201810716925 A CN 201810716925A CN 108725176 A CN108725176 A CN 108725176A
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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
- B60K6/445—Differential gearing distribution 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
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to a kind of mixed dynamic power transmissions of power dividing type, to be separately connected engine and odd or even number quantity motor, including：Single planetary row, shifting element and ordinary gear, wherein：The single planetary row includes that the planetary gear described in sun gear, external toothing, planetary gear and planet carrier is engaged with the external toothing and the sun gear respectively；There are two rotational freedoms for the single planetary row tool, and each component speed can be determined by two rotational freedoms；The engaging element includes two clutches；The ordinary gear has single rotational freedom, directly or indirectly can determine each component speed by single planetary row degree of freedom.Compared with prior art, the advantages such as the present invention has mechanical complexity low, at low cost, and control difficulty is low.
Description
Technical field
The present invention relates to electromechanical mixing dynamic force field of vehicle drive, become more particularly, to a kind of mixed dynamic power of power dividing type
Fast device.
Background technology
Electromechanical mixing dynamic force vehicle is generally included using internal combustion engine and one or more motor/generators.Existing mixing
Power transmission scheme can substantially be divided into two major class：What additional one to two motors were constituted on the basis of traditional speed change is mixed
The hybrid power scheme closed power scheme and specially designed for hybrid power, wherein exclusively for the speed change of hybrid vehicle design
Device scheme includes mainly the hybrid gearbox with connection in series-parallel for main drive mode from the point of view of existing development trend
Scheme and the power dividing hybrid gearbox scheme based on planet row.It is moved with the mixing that connection in series-parallel is main drive mode
Power speed changer scheme is comparatively relatively simple for structure, and R&D costs are relatively low, and the meshing efficiency between general gear is higher, but right
The regulating power of engine working point is limited, and the hybrid gearbox of power dividing is then according to planet row number and machinery
The difference of point number, includes single mode, and the power dividing hybrid gearbox of bimodulus and multimode, structure is more compact,
It is more flexibly effective to engine working point adjusting using the advantage of planet row power dividing, so as to improve fuel economy, but
With the increase of planet row number, speed changer structure is complex.So the existing dedicated hybrid transmission of two classes all exists respectively
From advantage and disadvantage, how to be effectively combined this two classes hybrid gearbox scheme, integrating respective advantage becomes in this patent
The maximum bright spot of described novel hybrid speed changer scheme.
Application No. is the Chinese invention patent application of CN 201110405238, variable proportion dynamic branch hybrid power becomes
Fast device is engaged using single planet row and general gear, by different connection topological structures and combination, be may be implemented different
Power dividing pattern, but excessive torque-transmitting mechanisms have been used, the utilization rate of element is relatively low, and the pattern of realization is opposite to be had
Limit.In addition, design scheme connection is complex, in turn result in cost increase, control difficulty increases.
Invention content
It is mixed that it is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of power dividing types
Dynamic power transmission can be reduced effective in existing power dividing hybrid transmission scheme using single planet row, by
The speed changer structure and connect complex problem that multiple planet rows are brought, while making full use of the input power of single planetary row
The advantage of shunting fully adjusts engine working point, realizes vehicle vehicle preferably fuel economy under different vehicle speed conditions.
When vehicle is in relatively low speed state, hybrid mode work can be shunted by pure electric vehicle or input power；
When vehicle is in high speed state, vehicle can pass through bi-motor pure electric vehicle, parallel mixed dynamic dynamic mode or output work
Rate shunts hybrid mode work, realizes vehicle in the preferable fuel economy of high speed.
The hybrid gearbox scheme of the combination using single planetary row and general gear, drive path it is relatively simple and
With higher gear mesh efficiency.The complexity of hybrid gearbox not only can be effectively reduced in structure, reduced and become
The volume and weight of fast device, and variable speed functionally may be implemented, realizes the consecutive variations of transmission ratio, so as to
The matching of engine operating condition reaches optimum state, improves vehicle fuel economy and dynamic property, improves maneuverability and comfort.It is logical
The change of planet row transmission ratio parameter is crossed, the range of choice etc. to motor speed can also be relaxed, to reduce the volume of motor
And cost, further decrease the volume and cost of hybrid gearbox.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of mixed dynamic power transmission of power dividing type, to be separately connected engine and odd or even number quantity electricity
Machine, including：Single planetary row, shifting element and ordinary gear, wherein：
The single planetary row include planetary gear described in sun gear, external toothing, planetary gear and planet carrier respectively with institute
External toothing and sun gear engagement are stated, the planetary gear is mounted on planet carrier；There are two turn for the single planetary row tool
Dynamic degree of freedom, each component speed can be determined by two rotational freedoms；
The engaging element includes two clutches；
The ordinary gear has single rotational freedom, can be directly or indirectly true by single planetary row degree of freedom
Fixed each component speed；
The transmission output includes main reducing gear, and the main reducing gear is driven by the ordinary gear to be connected
It connects.
Preferably, the motor includes first motor and the second motor, the first motor and second motor
It uses as generator or engine, and is charged accordingly to it using power storage battery energy.
Preferably, the engine, the first motor and the transmission output component, with a certain setting value
Fixed speed ratio is connect with a rotatable parts of the single planetary row；Second motor then passes through different gear shift members
Part is with the rotatable parts where the fixed speed ratio of a certain setting value and the engine or turn where the transmission output
Dynamic component is connected.
Preferably, the power dividing type hybrid gearbox by with the engine, the first motor and
The different connection type of second motor can be realized including following operating mode：
Electric-only mode：It is energized by second motor or is energized jointly by the first motor and second motor,
And the engine remains static；
Power dividing hybrid mode：It is energized jointly by the engine, the first motor and second motor；
Parallel mixed dynamic dynamic mode：It is energized jointly by the engine, the first motor and second motor；
Parking charge mode：By the engine as energizing, the first motor or second motor absorb it
Corresponding energy.
Preferably, the electric-only mode includes：Single motor electric-only mode and bi-motor electric-only mode, wherein：
The single motor electric-only mode, specially：Second motor is in drive mode at this time, and only described second
Motor pure electric vehicle drives vehicle traveling, ensures the starting of vehicle pure electric vehicle and the low speed pure motor driving in；
The bi-motor electric-only mode, specially：The first motor and second motor are in driving at this time
Pattern, two motors vehicle traveling of pure electric vehicle driving simultaneously, ensure vehicle in the pure electric vehicle starting of higher load and
In middle high speed pure motor driving.
Preferably, the power dividing hybrid mode includes：Input power shunts hybrid mode and output
Power dividing hybrid mode, wherein：
The input power shunts hybrid mode, specially：The output power of the engine passes through in input terminal
The single planetary row is shunted, and the first motor and second motor are respectively as generator or motor to described
Engine working point is adjusted, and ensures that vehicle low speed in has preferable fuel economy；
The output power shunts hybrid mode, specially：The output power of the engine passes through in output end
The single planetary row is shunted, and the first motor and second motor are respectively as generator or motor to described
Engine working point is adjusted, and ensures that vehicle has preferable fuel economy in higher speed.
Preferably, the parallel mixed dynamic dynamic mode, specially：Pass through the first motor and second motor
Directly engine working point is effectively adjusted without power dividing link, ensures that vehicle has preferable combustion in high speed
Oily economy.
Preferably, the parking charge mode, specially：The case where the power accumulator electricity is less than setting value
Under, the first motor absorbs the engine output as generator, charges to the power accumulator, by
This completes parking charging.
Preferably, dynamic model formula is mixed there are a mechanical balance parameter point for the power dividing, the mechanical balance is joined
It is several, specially：Power accumulator input or the electrical power for being output to system are that 0 (mechanical points refer to that system does not need
Outside provides electric energy), the engine whole power passes through the operating point that mechanical path is transmitted to wheel, at this time system effectiveness
Highest；Under the mixed dynamic dynamic mode of the power dividing, by designing the biography between planetary gear and other meshing gears
Dynamic ratio makes the mechanical balance ginseng of the mixed dynamic dynamic mode of the input power shunting and the mixed dynamic dynamic mode of output power shunting
Several points overlap, and the mechanical balance parameter point is as the engine fixed speed ratio or in the parallel mixed dynamic power mould
It is used under formula.
Preferably, in different mixed dynamic dynamic mode handoff procedures, including electric-only mode and input power shunting mix
Pattern switching switching, the work(are carried out between dynamic dynamic mode and between input power shunting and output power shunt mode
The principal and subordinate end speed discrepancy of the engaging element of the mixed dynamic power transmission of rate shunting can be adjusted by the active of motor realizes that nature is same
The problem of step, there is no shifting shock and power interruptions, and complexity and the abrasion of clutch control are reduced, thus reduce
The difficulty of pattern switching, increases the comfort of pattern switching.
Compared with prior art, the present invention has the following advantages：
One, mechanical complexity is relatively low：Novel hybrid speed changer scheme described in the invention, transmission element is by a
Number is less, includes only single planetary gear group, the general gear of certain amount, single one-way clutch realization, two clutches.
Under the entire each gear of hybrid gearbox or pattern, drive path is relatively simple, and meshing efficiency is higher between gear, favorably
In reducing hybrid gearbox machine-building and application cost, the volume and weight of speed changer is further reduced.
Two, control difficulty is low：The novel hybrid speed changer scheme of the present invention, in different mode handover procedures,
Do not need or only need to operate one of engaging element, and before and after pattern switching engaging element principal and subordinate end rotating speed
The problems such as achievable nature of difference synchronizes, shifting shock and power interruption is not present.
Three, multi-mode：The present invention contains pure electric vehicle, power dividing hybrid power drive mode, parallel mixed dynamic power mould
Formula.Different patterns can fully meet different driving duty requirements, can flexibly be adjusted to engine working point, protect
It demonstrate,proves it and is operated in the higher operating point of its efficiency, to which system effectiveness be effectively ensured, and it is dynamic there is no tandem mixing is similar to
The problem of second energy conversion of Force system.
Description of the drawings
Fig. 1 is the first embodiment structure figure of power dividing type hybrid gearbox provided by the invention.
Fig. 2 is second of embodiment structure figure of power dividing type hybrid gearbox provided by the invention.
Fig. 3 is the third embodiment structure figure of power dividing type hybrid gearbox provided by the invention.
Fig. 4 is the 4th kind of embodiment structure figure of power dividing type hybrid gearbox provided by the invention.
Fig. 5 is the 5th kind of embodiment structure figure of power dividing type hybrid gearbox provided by the invention.
Fig. 6 is the 6th kind of embodiment structure figure of power dividing type hybrid gearbox provided by the invention.
Fig. 7 is the 7th kind of embodiment structure figure of power dividing type hybrid gearbox provided by the invention.
Fig. 8 is the 8th kind of embodiment structure figure of power dividing type hybrid gearbox provided by the invention.
Fig. 9 is the 9th kind of embodiment structure figure of power dividing type hybrid gearbox provided by the invention.
Figure label explanation：
1, engine, 2, first motor, the 3, second motor, 4, sun gear, 5, planetary gear, 6, external toothing, 7, planet carrier, 8,
First gear, the 10, second engaging element, the 12, the 4th gear, the 13, the 6th gear, the 14, first engaging element, 16, third gear,
17, second gear, the 18, the 5th gear, the 19, first transmission shaft, 20, second driving shaft, 21, third transmission shaft, the 22, the 4th transmission
Axis, 23, one-way clutch, the 25, the 9th gear, the 26, the 7th gear, 27, eighth gear, the 28, the 5th transmission shaft, the 29, the tenth tooth
Wheel, the 30, the 11st gear, the 31, the 6th transmission shaft.
Specific implementation mode：
The characteristics of for above-mentioned novel mixed dynamic power transmission and advantage, will be carried out specifically by following specific examples
Bright and description.The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.Obviously, described is only this hair
Bright a part of preferred embodiment, rather than whole embodiments.Man skilled in the art is easy to be based on team's inventive principle
Many changes are made, therefore the present invention is not secured to shown and described details, but is intended to being included in claims
All changes in range and modification.
For the first embodiment described in Fig. 1：
As shown in figure 1 and table 1, Fig. 1 is a kind of embodiment party of power dividing type hybrid gearbox provided by the invention
Formula, including
Single planetary row and 7 general gears：The single planetary row include external toothing 6, sun gear 4 and respectively with external tooth
The planetary gear 5 and planet carrier 7 that circle 6 and sun gear 4 engage, wherein there is also external gear pumps outside external toothing 6；Described 7
General gear contains first gear 8, second gear 17, third gear 16, the 4th gear 12, the 5th gear 18, the 6th gear
13 and the 9th gear 25, wherein single planetary row sun gear 4 and first gear 8 respectively fixed and empty set on the first transmission shaft 19,
4th gear 12 and third gear 16, the 9th gear 25, second gear 17, respectively on fixed and empty set second driving shaft 20, the
Six gears 13 are fixed on third transmission shaft 21, and the 5th gear 18 is fixed on the 4th transmission shaft 22.Planet in single planetary row
Frame 7 and first gear 8 are connected directly by axis, and the 9th gear 25 and second gear 17 can be connected directly or be become by axis
Be connected gear, the 9th gear 25 and the intermeshing of the 4th gear 12, the external toothing on third gear 16 and single planetary row external toothing 6
Gear external toothing, the 4th gear 12 and the intermeshing of the 6th gear 13, second gear 17 and the intermeshing of the 5th gear 18, as
Level-one main reducing gear, output end of the 4th transmission shaft 22 as hybrid gearbox；Engine 1：Engine 1 and with uniline star
Exclusive gear ring 6 connects, and one-way clutch 23 connects single planetary row external toothing 6 and case of transmission 11；First motor 2：With first
Transmission shaft 19 connects；Second motor 3：It is connect with third transmission shaft 21.First engaging element 14 is clutch, can be by third tooth
Wheel 16 is connected on second driving shaft 20；Second engaging element 10 is clutch, can the 4th gear 25 be connected to the second biography
On moving axis 20；
In the present embodiment, different work may be used under different driving cycles in novel hybrid gearbox
Pattern, as shown in table 1, including：Electric-only mode：Single motor pure electric vehicle is energized by the second motor 3, at this time the second engaging element 10
It closes, first motor 2 is in idling conditions or bi-motor pure electric vehicle by first motor 2 and the second energy supply jointly of motor 3, at this time
One-way clutch 23 is in and is locked up state, and engine is locked up, and will not be continued to close by towing astern, the second engaging element 10；It is defeated
Enter power dividing hybrid mode and output power shunting hybrid mode：By engine 1, first motor 2 and the second electricity
Machine 3 energizes jointly.In the mixed dynamic dynamic mode of input power shunting, one-way clutch 23 is in non-lockup state, the second gear shift member
Part 10 is closed.In the mixed dynamic dynamic mode of output power shunting, one-way clutch 23 is in non-lockup state, the first engaging element 14
It closes；Parallel mixed dynamic dynamic mode：It is energized jointly by engine 1, first motor 2 and the second motor 3, at this time one-way clutch
23 are in non-lockup state, and the first engaging element 14 and low two engaging element 10 be turned off, engine can with fixed speed ratio or
The parallel mixed dynamic mode activated vehicle of person.
For starting-up process：
Higher in Vehicular battery SOC, when vehicle remains static, it is pure that single motor may be used in vehicle at this time
Electronic subpattern carries out pure electric vehicle starting, and vehicle pure motor driving is operated alone by the second motor 3；When vehicle power demand is larger
When, when the subpattern of single motor pure electric vehicle cannot provide required power, or when using single motor pure electric vehicle subpattern system effectiveness
When relatively low, bi-motor pure electric vehicle subpattern may be used, be closed the second engaging element 10 first in the process, unidirectionally from
For clutch by 1 locking of engine, engine 1 will not be dragged.Certainly, if removing one-way clutch 23, there is no gear shift members
Part, but only exist single motor pure electric vehicle subpattern at this time, or engine 1 will be in and drag in bi-motor pure electric vehicle subpattern
Drag state.
Lower in Vehicular battery SOC, when vehicle remains static, vehicle can pass through input power at this time
Shunting hybrid mode starts to walk.In this mode, the one-way clutch 23 is in and is not locked up state, closes simultaneously
The second engaging element 10 is closed, the output power of engine is shunted by single planetary row, and first motor 2 and the second motor 3 divide
Not Zuo Wei generator or motor 1 operating point of engine is adjusted, while ensureing higher starting dynamic property, raising
The fuel consumption rate of engine；
For middling speed operational process：
When vehicle is started to walk by electric-only mode and is travelled after a certain period of time, when battery SOC is higher, vehicle can pass through list
Motor pure motor driving is then switched to bi-motor pure electric vehicle drive mode to certain speed, ensures vehicle in full speed range
Pure motor driving.When SOC value of battery drops to certain level or system effectiveness is relatively low, vehicle can be pure by single motor
Either the subpattern of bi-motor pure electric vehicle switches to input power shunting hybrid mode or by input power for electronic subpattern
Shunting hybrid mode switches to parallel mixed dynamic dynamic mode.
For high-speed cruising process：
When vehicle is started to walk by electric-only mode and is travelled after a certain period of time, when battery SOC is higher, vehicle can be by double
Motor pure electric vehicle drive mode.When SOC value of battery drops to certain level or parallel mixed dynamic model formula system effectiveness relatively
When low, vehicle can be shunted hybrid mode by parallel type hybrid dynamic pattern switching to output power, defeated when avoiding high speed
Enter the problem of power dividing pattern causes efficiency to reduce due to power cycle.
For mode handover procedure：
Input power, which is switched to, for single motor pure electric vehicle subpattern shunts hybrid mode：First with first motor
2 pairs of engines start.After utilizing first motor 2 to pull engine 1 to certain rotating speed at this time, engine 1 carries out oil spout
Igniting starts.Torque to reduce the outburst of engine start moment influences vehicle comfort, and first motor is needed to carry out at this time
Of short duration power generation is balanced the outburst torque of engine start moment, and then vehicle enters input power shunting hybrid power mould
Formula.
Parallel mixed dynamic dynamic mode is switched to for input power shunting hybrid mode：Input power shunting mixing
Dynamic mode is compared with parallel mixed dynamic dynamic mode, and a mechanical constraint is lacked on mechanical connection, is thus caused the 4th
In the case that 22 rotating speed of transmission shaft remains unchanged, can by first motor 2 to engine speed or will engage first
14 principal and subordinate end speed discrepancy of engaging element carries out active adjusting, while ensureing vehicle power output, can fast and effeciently by
The engaging element principal and subordinate end speed discrepancy that will be engaged is contracted to certain level, then passes through the executing agency of the first engaging element 14
Engage corresponding clutch.
Output power shunt mode is switched to for parallel mixed dynamic dynamic mode：Gradually open the second engaging element 10 just
Proportionately pattern switching, in the process can be by effectively controlling the opening speed and the second motor 3 of the second engaging element 10
Output torque, it is constant to be effectively ensured 22 power of transmission output shaft, ensures power performance and comfort.
Output power shunt mode is switched to for the mixed dynamic dynamic mode of input power shunting：It needs to open the second gear shift member
Part 10 is then shut off the first engaging element 14.In the process, directly can effectively control two engaging elements beats on and off
Velocity interpolation pattern switching is closed, or utilizes input power shunting and output power divergent die in the mixed dynamic speed changer of the power dividing
Formula mechanical points overlap and under parallel mixed dynamic model formulas, and fixed speed ratio when output power of motor is 0 is used as transition mode, elder generation from
Input power shunt mode switches to fixed speed ratio pattern, then further switches to output power shunting and mixes dynamic model formula, herein
In handoff procedure, before and after pattern switching, speed discrepancy, pattern switching is all not present in engaging element principal and subordinate end part and two motors
Comfort is splendid.
For second of embodiment described in Fig. 2：
On the basis of the first embodiment, increase the 7th gear 26, eighth gear 27 and the 5th transmission shaft 28, is formed
Second of embodiment.The 7th gear 26 is directly connected and the first transmission shaft 19 at this time.Eighth gear 27 is directly connected and is passed with the 5th
Moving axis 27.7th gear 26 and eighth gear 27 are in internal messing state.5th transmission shaft 27 is directly connected with first motor 2.
The function that the embodiment is realized at this time is consistent with the first embodiment, and details are not described herein, but can effectively carry
The maximum speed of high first motor 2 limits, and realizes higher pure electric vehicle max. speed and effectively reduces the maximum of first motor 2
Torque-demand, to reduce the size of first motor 2.
For the third embodiment described in Fig. 3：
On the basis of embodiment in second, one-way clutch 23 is removed, rest part is consistent.The embodiment is realized at this time
Pattern compared with the first embodiment, lacked bi-motor electric-only mode, remaining pattern remains unchanged.
For the 4th kind of embodiment described in Fig. 4：
On the basis of the first embodiment, it is connected with the external toothing 6 of single planetary row by original engine 1 and becomes and send out
Motivation 1 is connected with planet carrier 7, and the rest of the brush head remains unchanged, realize pattern lacked parking charge mode, remaining pattern and
The first embodiment is completely the same, and only engaging element opening and closing situation is different, is specifically shown in Table 2.
For the 5th kind of embodiment described in Fig. 5：
On the basis of the 4th kind of embodiment, increase the 7th gear 26, eighth gear 27 and the 5th transmission shaft 28, is formed
Second of embodiment.The 7th gear 26 is directly connected and the first transmission shaft 19 at this time.Eighth gear 27 is directly connected and is passed with the 5th
Moving axis 27.7th gear 26 and eighth gear 27 are in internal messing state.5th transmission shaft 27 is directly connected with first motor 2.
The function that the embodiment is realized at this time is consistent with the 4th kind of embodiment, and details are not described herein, but can effectively carry
The maximum speed of high first motor 2 limits, and realizes higher pure electric vehicle max. speed and effectively reduces the maximum of first motor 2
Torque-demand, to reduce the size of first motor 2.
For the 6th kind of embodiment described in Fig. 6：
On the basis of embodiment in the 5th, one-way clutch 23 is removed, rest part is consistent.The embodiment is realized at this time
Pattern compared with the 5th kind of embodiment, lacked bi-motor electric-only mode, remaining pattern remains unchanged.
For the 7th kind of embodiment described in Fig. 7：
Increase the position for changing the second motor 3 on the basis of a kind of embodiment, the second motor 3 is still passed with third at this time
Moving axis 21 connects, and the 6th gear 13 is consolidated on third transmission shaft 21, and third transmission shaft 21 is hollow shaft, is placed in the first transmission
On axis 19, the 6th gear 13 and the 9th gear 12 outer or internal messing (being illustrated as external toothing), first motor 2 and the second motor 3
It is coaxially arranged.Its function of realizing and first embodiment are consistent, and details are not described herein.On further including in this certain embodiment
It states in embodiment, changing the second motor position using identical means is formed by speed changer scheme.
For the 8th kind of embodiment described in Fig. 8：
On the basis of the first embodiment, increase the tenth gear 29, the 11st gear 30 and the 6th transmission shaft 31.
Engine 1 is connect with the 11st gear 30 at this time, by one-way clutch or brake 23, can with locking engine 1, the tenth
Gear 29 and the 11st gear 30 are meshed, the tenth gear 29 be consolidated on the 6th transmission shaft 31 and with the gear ring of single planetary gear
6 connections.Its function of realizing and first embodiment are consistent.Certainly, this embodiment further includes that above-mentioned all embodiments (are implemented
Example 1- embodiments 7) by identical change, dynamic power transmission scheme mixed accordingly is obtained, details are not described herein.
For the 9th kind of embodiment described in Fig. 9：
On the basis of the 8th kind of embodiment, original one-way clutch or 23 position of common brake are changed
Become, the one-way clutch or common brake 23 are located at the 6th transmission shaft 31 at this time, equally can be with locking engine.It is realized
Function and first embodiment be consistent.Certainly, this embodiment further includes above-mentioned all embodiments (embodiment 1- embodiment 7)
By identical change, dynamic power transmission scheme mixed accordingly is obtained, details are not described herein.
For this New Multi-mode hybrid gearbox, described is only that the part of the present invention is preferably implemented
Example, rather than whole embodiments, therefore, every content without departing from technical solution of the present invention, according to the technical essence of the invention
To any simple modifications, equivalents, and modifications made by above example, the protection domain of technical solution of the present invention is belonged to.
Include the efficient combination of different embodiments, or by the external toothing formal argument of which part gear at internal messing form etc., or
Person increases torsion vibration absorber element after engine 1, and the arrangement position or the form by covering axis for either changing gear change
Become the position of engaging element, or the obtained part speed changer scheme etc. of removal part engaging element, but essence connection is consistent etc.
The hybrid gearbox of formation.
1 operating mode of table and its corresponding operating mode table
| Operating mode | One-way clutch 23 | First engaging element 14 | Second engaging element 10 |
| Single motor pure electric vehicle drive mode | In not lockup state | It closes | |
| Bi-motor pure electric vehicle drives subpattern | In lockup state | It closes | |
| Input power shunts hybrid mode | In not lockup state | It closes | |
| Output power shunts hybrid mode | In not lockup state | It closes | |
| Parallel mixed dynamic dynamic mode | In not lockup state | It closes | It closes |
| Parking charge mode | In not lockup state |
2 operating mode of table and its corresponding operating mode table
| Operating mode | One-way clutch 23 | First engaging element 14 | Second engaging element 10 |
| Single motor pure electric vehicle drive mode | In not lockup state | It closes | |
| Bi-motor pure electric vehicle drives subpattern | In lockup state | It closes | |
| Input power shunts hybrid mode | In not lockup state | It closes | |
| Output power shunts hybrid mode | In not lockup state | It closes | |
| Parallel mixed dynamic dynamic mode | In not lockup state | It closes | It closes |
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain subject to.
Claims (10)
1. the mixed dynamic power transmission of a kind of power dividing type, to be separately connected engine (1) and odd or even number quantity electricity
Machine, which is characterized in that including：Single planetary row, shifting element and ordinary gear, wherein：
The single planetary row includes the planetary gear described in sun gear (4), external toothing (6), planetary gear (5) and planet carrier (7)
(5) it is engaged respectively with the external toothing (6) and the sun gear (4), the planetary gear (5) is mounted on planet carrier (7)；Institute
There are two rotational freedoms for the single planetary row tool stated, and each component speed can be determined by two rotational freedoms；
The engaging element includes two clutches；
The ordinary gear has single rotational freedom, can directly or indirectly be determined by single planetary row degree of freedom each
Component speed.
2. a kind of mixed dynamic power transmission of power dividing type according to claim 1, which is characterized in that the motor includes
First motor (2) and the second motor (3), the first motor (2) and second motor (3) can be used as generator or hair
Motivation uses, and is charged accordingly to it using power storage battery energy.
3. a kind of mixed dynamic power transmission of power dividing type according to claim 2, which is characterized in that the engine
(1), the first motor (2) and the transmission output component, with the fixed speed ratio of a certain setting value and the uniline
The rotatable parts connection of star row；Second motor (3) is then by the different engaging elements with a certain setting value
Fixed speed ratio be connected with the rotatable parts where the engine (1) or the rotatable parts where the transmission output.
4. a kind of mixed dynamic power transmission of power dividing type according to claim 2, which is characterized in that the power point
Streaming hybrid gearbox by with the engine (1), the first motor (2) and second motor (3) are different
Connection type can be realized including following operating mode：
Electric-only mode：It is energized by second motor (3) or common by the first motor (2) and second motor (3)
Energy supply, and the engine (1) remains static；
Power dividing hybrid mode：It is common by the engine (1), the first motor (2) and second motor (3)
Energy supply；
Parallel mixed dynamic dynamic mode：It is supplied jointly by the engine (1), the first motor (2) and second motor (3)
Energy；
Parking charge mode：By the engine (1) as energizing, the first motor (2) or second motor (3) are inhaled
Receive its corresponding energy.
5. a kind of mixed dynamic power transmission of power dividing type according to claim 4, which is characterized in that the pure electric vehicle
Pattern includes：Single motor electric-only mode and bi-motor electric-only mode, wherein：
The single motor electric-only mode, specially：Second motor (3) is in drive mode at this time, and only described second
Motor (3) pure electric vehicle drives vehicle traveling, ensures the starting of vehicle pure electric vehicle and the low speed pure motor driving in；
The bi-motor electric-only mode, specially：The first motor (2) and second motor (3) are in drive at this time
Dynamic model formula, two motors vehicle traveling of pure electric vehicle driving simultaneously, ensure vehicle in the case that the pure electric vehicle of higher load start to walk with
And in middle high speed pure motor driving.
6. a kind of mixed dynamic power transmission of power dividing type according to claim 4, which is characterized in that the power point
Flowing hybrid mode includes：Input power shunts hybrid mode and output power shunts hybrid mode, wherein：
The input power shunts hybrid mode, specially：The output power of the engine (1) passes through institute in input terminal
It states single planetary row to be shunted, the first motor (2) and second motor (3) are respectively as generator or motor pair
Engine (1) operating point is adjusted, and ensures that vehicle low speed in has preferable fuel economy；
The output power shunts hybrid mode, specially：The output power of the engine (1) passes through institute in output end
It states single planetary row to be shunted, the first motor (2) and second motor (3) are respectively as generator or motor pair
Engine (1) operating point is adjusted, and ensures that vehicle has preferable fuel economy in higher speed.
7. a kind of mixed dynamic power transmission of power dividing type according to claim 4, which is characterized in that described is parallel
Mixed dynamic dynamic mode, specially：It is straight without power dividing link by the first motor (2) and second motor (3)
It connects and engine working point is effectively adjusted, ensure that vehicle has preferable fuel economy in high speed.
8. a kind of mixed dynamic power transmission of power dividing type according to claim 4, which is characterized in that the parking is filled
Power mode, specially：In the case where the power accumulator electricity is less than setting value, the first motor (2) is as power generation
Machine absorbs the engine (1) output power, charges to the power accumulator, thus completes parking charging.
9. a kind of mixed dynamic power transmission of power dividing type according to claim 4, which is characterized in that be directed to the power
Shunting mixes dynamic model formula there are a mechanical balance parameter point, the mechanical balance parameter point, specially：The power accumulator is defeated
The electrical power for entering or being output to system is 0, and the whole power of the engine (1) pass through the work that mechanical path is transmitted to wheel
Make a little, at this time system effectiveness highest；Under the mixed dynamic dynamic mode of the power dividing, by design planetary gear and other
Transmission ratio between meshing gear makes the mixed dynamic dynamic mode of the input power shunting and the mixed dynamic power of output power shunting
The mechanical balance parameter point of pattern overlaps, the mechanical balance parameter point as the engine (1) fixed speed ratio or
It is used under the parallel mixed dynamic dynamic mode.
10. a kind of mixed dynamic power transmission of power dividing type according to claim 4, which is characterized in that mixed in different
In dynamic dynamic mode handoff procedure, the principal and subordinate end speed discrepancy of the engaging element of the mixed dynamic power transmission of the power dividing type can lead to
The active for crossing motor adjusts the problem of realizing that nature synchronizes, shifting shock and power interruption is not present, and reduces clutch
The complexity of control and abrasion.
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| CN201810716925.4A CN108725176A (en) | 2018-07-03 | 2018-07-03 | A kind of mixed dynamic power transmission of power dividing type |
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| CN201810716925.4A CN108725176A (en) | 2018-07-03 | 2018-07-03 | A kind of mixed dynamic power transmission of power dividing type |
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| CN110588322A (en) * | 2019-10-08 | 2019-12-20 | 宁波上中下自动变速器有限公司 | Hybrid power transmission and vehicle |
| CN110978989A (en) * | 2019-11-25 | 2020-04-10 | 苏州格特钠汽车技术有限公司 | Novel hybrid power transmission |
| CN111806217A (en) * | 2020-07-17 | 2020-10-23 | 西安交通大学 | Double-gear-shifting series-parallel hybrid power system with input and output shunting switching |
| CN111873780A (en) * | 2020-07-06 | 2020-11-03 | 东风汽车集团有限公司 | Single-motor single-planet-row multi-gear hybrid power transmission, system and vehicle |
| CN112046267A (en) * | 2020-07-27 | 2020-12-08 | 西安交通大学 | Input split-flow type two-gear transmission system for hybrid electric vehicle and vehicle |
| CN112265439A (en) * | 2020-10-21 | 2021-01-26 | 恒大新能源汽车投资控股集团有限公司 | Electric drive system and method based on planet wheel and vehicle |
| CN113459789A (en) * | 2021-07-27 | 2021-10-01 | 东风商用车有限公司 | Single-motor hybrid power assembly and hybrid power automobile |
| CN113775712A (en) * | 2021-09-23 | 2021-12-10 | 华南理工大学 | Mechanical transmission and control |
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| CN113775712A (en) * | 2021-09-23 | 2021-12-10 | 华南理工大学 | Mechanical transmission and control |
| CN113775712B (en) * | 2021-09-23 | 2023-07-18 | 华南理工大学 | Mechanical transmission and control |
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