CN207257353U - Planet row hybrid electric drive system and the vehicle using the system - Google Patents
Planet row hybrid electric drive system and the vehicle using the system Download PDFInfo
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- CN207257353U CN207257353U CN201720976456.0U CN201720976456U CN207257353U CN 207257353 U CN207257353 U CN 207257353U CN 201720976456 U CN201720976456 U CN 201720976456U CN 207257353 U CN207257353 U CN 207257353U
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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Abstract
It the utility model is related to planet row hybrid electric drive system and the vehicle using the system, drive system includes three lock-up clutches, the preceding first end of planet row before driving engine connection, the preceding second end of planet row before the connection of first motor, dynamic structure after preceding first end is connected by the first lock-up clutch, preceding 3rd end of preceding planet row connects housing, dynamic structure after preceding 3rd end is also connected by the second lock-up clutch by the 3rd lock-up clutch.In engine start and stop; the first lock-up clutch is controlled to separate; second lock-up clutch separates; 3rd lock-up clutch locking; preceding planet row just connects separation with the rear dynamic structure machinery of drive system, and only preceding planet toothrow wheel is in driving torque, so as to effectively reduce the quantity of driving torque gear; it effectively prevent the rear planet row of rear dynamic structure and vehicle bridge master subtract end gear vibration caused by gear clearance, so that the vibration noise that system occurs when effectively reducing engine start and stop.
Description
Technical field
Planet row hybrid electric drive system and the vehicle using the system are the utility model is related to, belongs to planet row mixing
Power technology field.
Background technology
Environmental pollution and energy crisis in face of getting worse, energy conservation and environmental protection become the theme in epoch, motor vehicle driven by mixed power
Due to its outstanding energy-saving effect, distance travelled is unrestricted and has the factors such as pure electric running function concurrently and is therefore subject to the public's
Favor.Vehicle hybrid system is divided into three kinds of series, parallel, series-parallel connection, wherein, combined hybrid system due to all energy be required to through
Two times transfer is crossed, causes energy loss excessive, therefore at present using the relatively fewer of application.Parallel system energy is changed relatively
It is few, but engine can not work long hours in one after another peak.But parallel connection can be solved using the combined hybrid system of planetary mechanism
The shortcomings that system, therefore it is now subjected to the heat handful of each vehicle and parts producer.
Existing hybrid power system configuration is based on two kinds of configurations of planetary mechanism series-parallel connection and Double-motor direct drive series-parallel connection.Bi-motor
It is straight drive configuration be limited to Motor torque can not cost of implementation and dynamic property compromise, therefore cause the configuration to subtract using large speed ratio master
To ensure vehicles dynamic performance, but vehicle high-speed performance is sacrificed, while engine speed and speed are linearly related so as to cause
Engine can not work long hours in high efficient district, therefore the configuration is mainly used in bus field.Publication No.
The Chinese patent application of CN103112346A discloses a kind of combined hybrid system using double-planet mechanism, as shown in Figure 1, the system
The decoupling of engine speed and speed can be caused to cause engine long time service in high efficient district, while planet after motor passes through
The torque of row can suitably increase output torque so as to lift vehicle climbing capacity, therefore this is configured as current planet hybrid mechanism
Mainstream configuration.In addition, Fig. 1 is directly intercepted from above-mentioned patent application, since the system shown in Fig. 1 is existing system
System, the part 1-15 of the system have given detailed description in above-mentioned patent application, have not just introduced one by one here.
But the configuration of above-mentioned patent application publication still suffers from problems with：
1st, start and stop vibration noise, in the configuration of the patent application, between engine and motor and two planet rows
It is gear mechanism connection, since gear drive engagement is there are gear clearance, when in motor rapid starting/stopping engine process, because
The transmission step by step of gear clearance will cause gears at different levels to vibrate, so as to occur being difficult to the vibration noise overcome.Also, send out
Motivation start and stop is that motor is dragged and opened, and front and rear planet row is gear mechanism connection, since gear is engaged there are gap, from preceding planet
Being discharged to rear planet row gear clearance can be progressively amplified, and motor, which drags, to be opened or drag when stopping paying out motivation due to the gear clearance gradually amplified
The motor that heel row sun gear connects and the transmission shaft that heel row planet carrier connects can be caused rotating vibration occur, so as to occur bright
Aobvious vibration noise.
2nd, in pure motor driving, motor-driven vehicle traveling, can cause all gears of former and later two planet rows turning
It is dynamic, while the sun gear of preceding planet row is also rotating, therefore system loss is larger when can cause pure motor driving, pure electricity running gear
Efficiency of uniting is low.
3rd, motor shaft is hollow shaft, and dynamical system output shaft is pierced by from motor-hollow axle, and escort vehicle load it is different and
Road conditions difference can cause transmission shaft to jump up and down, so as to cause system output shaft vertical tremor.And due to current existing axis
The axis class of class sealing ring sealing is that side rotates, i.e., is rotated on the outside of sealing ring or sealing ring inner side rotates, if in sealing ring
Outside, which rotates, can cause the sealing ring service life drastically to shorten so as to cause oil leak.Therefore, there are output shaft leakage for the configuration
The problem of oil or output Simmer ring short life.
4th, vehicle is without broken row returning function, when two motors or electric machine controller either component of vehicle break down,
Vehicle will be unable to travel.
Utility model content
The purpose of this utility model is to provide a kind of planet row hybrid electric drive system, to solve existing planet row
The problem of obvious vibration noise occurs in engine shutdown process in hybrid power configuration.The utility model provides one at the same time
Kind uses the vehicle of the system.
To achieve the above object, the embodiment of the utility model includes a kind of planet row hybrid electric drive system, including preceding
Dynamic structure and rear dynamic structure, preceding dynamic structure includes engine, preceding planet row and the first motor, after rear dynamic structure includes
Planet row and system output shaft, it is preceding first to have one in the preceding sun gear, preceding planet carrier and front ring gear in the preceding planet row
End, one is preceding second end, and one is preceding 3rd end, in the rear sun gear, rear planet carrier and rear gear ring in the rear planet row
It is rear first end to have one, and one is rear second end, and one is rear 3rd end, and the drive system further includes the first locking clutch
Device, the second lock-up clutch and the 3rd lock-up clutch, the driving engine connect the preceding first end, first motor
Connect the preceding second end, the preceding first end by the first lock-up clutch connect it is described after dynamic structure, the described preceding 3rd
End connects housing by the 3rd lock-up clutch, and preceding 3rd end also connects the rear power knot by the second lock-up clutch
Structure.
In engine start and stop, control the first lock-up clutch separation, the separation of the second lock-up clutch, the 3rd locking clutch
Device locking, then, preceding planet row just connects separation with the rear dynamic structure machinery of drive system, no matter engine is opening machine still
During shutdown, open machine and drag and stop moment of torsion and only transmitted in preceding planet row, that is to say, that only preceding planet toothrow wheel is kept away in driving torque
Exempt from the situation that existing configuration moment of torsion transmits in front and rear planet row occur, so as to effectively reduce the number of driving torque gear
Measure, that is, torque transmitting gear chain number when effectively reducing start and stop, the gear clearance of power transmission is reduced, after effectively prevent
The rear planet row of dynamic structure and vehicle bridge master subtract end gear vibration caused by gear clearance, start so as to effectively reduce
The vibration noise that system occurs during machine start and stop.
Inspire motivation to realize that the quick of engine opens machine moreover, quickly being dragged by motor, quickly dragged and stopped by motor
Engine can realize the quick shutdown of engine.
Dynamic structure further includes the second motor and the 4th lock-up clutch after described, after the system output shaft connection is described
First end, second end after the second motor connection is described, preceding 3rd end connects institute by second lock-up clutch
Rear second end is stated, the preceding first end connects rear 3rd end by first lock-up clutch, and rear 3rd end is also
Housing is connected by the 4th lock-up clutch.
The preceding first end is preceding planet carrier, and preceding second end is preceding sun gear, and preceding 3rd end is front ring gear.
The preceding first end is preceding planet carrier, and preceding second end is preceding sun gear, and preceding 3rd end is front ring gear, described rear first
It is rear sun gear to hold as rear planet carrier, rear second end, and rear 3rd end is rear gear ring.
The drive system has following operating mode：Engine start and stop pattern, electric-only mode, engine and motor
Joint drive pattern, engine direct drive pattern, parking power generation mode, Brake energy recovery pattern and broken row and return field mode, wherein,
The control mode of engine start and stop pattern is：First lock-up clutch separates, the separation of the second lock-up clutch, the
Three lock-up clutch lockings；
The control mode of electric-only mode is：First lock-up clutch separates, the separation of the second lock-up clutch, the 4th locking
Clutch locking；
Engine and motor joint drive pattern are divided into two patterns, and the control mode of first mode is：First locking from
Clutch separates, the second lock-up clutch locking, the separation of the 3rd lock-up clutch, the 4th lock-up clutch locking, second mode
Control mode is：First lock-up clutch locking, the separation of the second lock-up clutch, the separation of the 3rd lock-up clutch or locking, the
Four lock-up clutches separate；
Engine direct drive pattern control mode be：First lock-up clutch locking, the second lock-up clutch locking, the 3rd
Lock-up clutch locking, the separation of the 4th lock-up clutch；
Parking power generation mode control mode be：First lock-up clutch separates, the separation of the second lock-up clutch, the 3rd lock
Only clutch locking, the separation of the 4th lock-up clutch；
The control mode of Brake energy recovery pattern is：First lock-up clutch separates, the separation of the second lock-up clutch, the
Three lock-up clutches separate, the 4th lock-up clutch locking；
Breaking the control mode of row time field mode is：First lock-up clutch locking, the separation of the second lock-up clutch, the 3rd lock
Only clutch separation, the separation of the 4th lock-up clutch.
The utility model also provides a kind of vehicle, including a kind of planet row hybrid electric drive system, the drive system
Including preceding dynamic structure and rear dynamic structure, preceding dynamic structure includes engine, preceding planet row and the first motor, rear dynamic structure
Including rear planet row and system output shaft, there is one to be in the preceding sun gear, preceding planet carrier and front ring gear in the preceding planet row
Preceding first end, one is preceding second end, and one is preceding 3rd end, it is described after rear sun gear in planet row, rear planet carrier and after
It is rear first end to have one in gear ring, and one is rear second end, and one is rear 3rd end, and the drive system further includes the first lock
Only clutch, the second lock-up clutch and the 3rd lock-up clutch, the driving engine connect the preceding first end, and described the
One motor connects the preceding second end, and the preceding first end connects the rear dynamic structure by the first lock-up clutch, described
Preceding 3rd end by the 3rd lock-up clutch connect housing, preceding 3rd end also by the second lock-up clutch connection it is described after
Dynamic structure.
Dynamic structure further includes the second motor and the 4th lock-up clutch after described, after the system output shaft connection is described
First end, second end after the second motor connection is described, preceding 3rd end connects institute by second lock-up clutch
Rear second end is stated, the preceding first end connects rear 3rd end by first lock-up clutch, and rear 3rd end is also
Housing is connected by the 4th lock-up clutch.
The preceding first end is preceding planet carrier, and preceding second end is preceding sun gear, and preceding 3rd end is front ring gear.
The preceding first end is preceding planet carrier, and preceding second end is preceding sun gear, and preceding 3rd end is front ring gear, described rear first
It is rear sun gear to hold as rear planet carrier, rear second end, and rear 3rd end is rear gear ring.
The drive system has following operating mode：Engine start and stop pattern, electric-only mode, engine and motor
Joint drive pattern, engine direct drive pattern, parking power generation mode, Brake energy recovery pattern and broken row and return field mode, wherein,
The control mode of engine start and stop pattern is：First lock-up clutch separates, the separation of the second lock-up clutch, the
Three lock-up clutch lockings；
The control mode of electric-only mode is：First lock-up clutch separates, the separation of the second lock-up clutch, the 4th locking
Clutch locking；
Engine and motor joint drive pattern are divided into two patterns, and the control mode of first mode is：First locking from
Clutch separates, the second lock-up clutch locking, the separation of the 3rd lock-up clutch, the 4th lock-up clutch locking, second mode
Control mode is：First lock-up clutch locking, the separation of the second lock-up clutch, the separation of the 3rd lock-up clutch or locking, the
Four lock-up clutches separate；
Engine direct drive pattern control mode be：First lock-up clutch locking, the second lock-up clutch locking, the 3rd
Lock-up clutch locking, the separation of the 4th lock-up clutch；
Parking power generation mode control mode be：First lock-up clutch separates, the separation of the second lock-up clutch, the 3rd lock
Only clutch locking, the separation of the 4th lock-up clutch；
The control mode of Brake energy recovery pattern is：First lock-up clutch separates, the separation of the second lock-up clutch, the
Three lock-up clutches separate, the 4th lock-up clutch locking；
Breaking the control mode of row time field mode is：First lock-up clutch locking, the separation of the second lock-up clutch, the 3rd lock
Only clutch separation, the separation of the 4th lock-up clutch.
Brief description of the drawings
Fig. 1 is the combined hybrid system structure chart disclosed in the Chinese patent application file of Publication No. CN103112346A；
Fig. 2 is the structure diagram of planet row hybrid electric drive system provided by the utility model；
Fig. 3 is the control flow chart of each operating mode of planet row hybrid electric drive system；
In Fig. 2,1 is engine, and 2 be torsion vibration absorber, and 3 be the first motor, and 4 be preceding planet row, and 5 be the second motor, and 6 are
Planet row afterwards, 7 be the 4th lock-up clutch, and 8 be the 3rd lock-up clutch, and 9 be the second lock-up clutch, 10 for the first locking from
Clutch, 11 be electric machine controller, and 12 be electrical source of power.
Embodiment
Vehicle embodiments
The present embodiment provides a kind of vehicle, the dynamical system of the vehicle is a kind of planet row hybrid electric drive system, by
In the other components of vehicle be not the emphasis of the application, therefore, below emphatically to planet row hybrid electric drive system into
Row is described in detail.
Planet row hybrid electric drive system generally comprises two large divisions, preceding dynamic structure and rear dynamic structure, such as Fig. 2
Shown, preceding dynamic structure includes engine 1, preceding 4 and first motor 3 of planet row, and rear dynamic structure includes rear planet row 6 and system
Output shaft.
Preceding planet row 4 includes three ends, preceding first end, preceding second end and preceding 3rd end is referred to as, due to preceding planet row 4
Three ends be preceding sun gear, preceding planet carrier and front ring gear respectively, therefore, preceding first end, preceding second end and preceding 3rd end difference
With one of one-to-one corresponding in preceding sun gear, preceding planet carrier and front ring gear.Similarly, rear planet row 6 includes three ends, respectively
First end, rear second end and rear 3rd end after referred to as, since three ends of rear planet row 6 are rear sun gear, rear planet carrier respectively
With rear gear ring, therefore, rear first end, rear second end and rear 3rd end respectively with rear sun gear, rear planet carrier and rear gear ring
It is one of to correspond.
The drive system further includes the first lock-up clutch 10, the second lock-up clutch 9 and the 3rd lock-up clutch 8, preceding
Preceding first end, preceding second end and preceding 3rd end correspondence in planet row 4 is connected with associated mechanisms, wherein, the transmission of engine 1 connects
Connecing preceding first end, the first motor 3 connects preceding second end, dynamic structure after preceding first end is connected by the first lock-up clutch 10,
Preceding 3rd end connects housing, power knot after preceding 3rd end is also connected by the second lock-up clutch 9 by the 3rd lock-up clutch 8
Structure.
Wherein, preceding first end, preceding second end and preceding 3rd end and the correspondence of preceding sun gear, preceding planet carrier and front ring gear
Not unique, a total of six kinds of correspondences, different correspondences represent machine driving no-load voltage ratio difference in principle, therefore,
It on the premise of meeting service requirement, can be set specific corresponding to relation according to actual needs, in the present embodiment, provide one
Kind is specific corresponding to relation：Preceding first end is preceding planet carrier, and preceding second end is preceding sun gear, and preceding 3rd end is front ring gear.So,
As shown in Fig. 2, engine 1 be sequentially connected before planet row 4 preceding planet carrier, the first motor 3 connects preceding sun gear, and preceding planet carrier leads to
Dynamic structure after the first lock-up clutch 10 connects is crossed, front ring gear connects housing, also, nipper by the 3rd lock-up clutch 8
Dynamic structure after circle is also connected by the second lock-up clutch 9.
It can effectively reduce and send out according to the first lock-up clutch 10, the second lock-up clutch 9 and the 3rd lock-up clutch 8
The vibration noise that system occurs during motivation start and stop.Specially：In engine start and stop, the first lock-up clutch 10 of control separates,
Second lock-up clutch 9 separates, 8 locking of the 3rd lock-up clutch, then, preceding planet row just and drive system rear dynamic structure
Separation is mechanically connected, only preceding planet toothrow wheel is in driving torque, torque transmitting gear chain number when effectively reducing start and stop, reduction
The gear clearance of power transmission, effectively prevent the rear planet row of rear dynamic structure and vehicle bridge master subtracts end due to gear clearance and
Caused gear vibration, so that the vibration noise that system occurs when effectively reducing engine start and stop.
That is, only by the first lock-up clutch 10, the second lock-up clutch 9 and the 3rd lock-up clutch 8 with regard to energy
Enough effectively to reduce the vibration noise that system occurs in engine start and stop, the configuration of rear dynamic structure has no effect on preceding dynamic structure
Function, therefore, the present embodiment is not limited to the specific configuration of rear dynamic structure, for convenience of description, a kind of tool is given below
The structure of body.
As shown in Fig. 2, rear dynamic structure in addition to rear planet row 6 and system output shaft, further includes the second motor 5 and the
Four lock-up clutches 7, the rear first end of planet row 6 after system output shaft connection, second end after the connection of the second motor 5, the preceding 3rd
End is by second end after the connection of the second lock-up clutch 9, the 3rd end after preceding first end is connected by the first lock-up clutch 10, after
3rd end also connects housing by the 4th lock-up clutch 7.
With preceding planet row 4 similarly, the rear first end, rear second end in rear planet row 6 and rear 3rd end respectively with the rear sun
The correspondence of wheel, rear planet carrier and rear gear ring is not unique, and different correspondences represents machine driving no-load voltage ratio difference, because
This, can set according to being actually needed, and in the present embodiment, provide one kind specific corresponding to relation：First end is rear planet carrier afterwards,
Second end is rear sun gear afterwards, and rear 3rd end is rear gear ring.So, as shown in Fig. 2, the rear planet carrier connection system of rear planet row 6
System output shaft is so as to export power, the second motor 5 connection rear sun gear, front ring gear connected by the second lock-up clutch 9 after too
Sun wheel, gear ring after preceding planet carrier is connected by the first lock-up clutch 10, rear gear ring also connect shell by the 4th lock-up clutch 7
Body.
For electrical source of power 12 by controlling harness to be connected with electric machine controller 11, electric machine controller 11 passes through high-voltage wiring harness and
One motor 3 is connected with the second motor 5.In addition, the output shaft of engine 1 moving ahead by torsion vibration absorber 2 and preceding planet row 4
Carrier is connected.
The planet row hybrid electric drive system mainly includes following several operating modes：Engine rapid starting/stopping machine mould
Formula, electric-only mode, engine and motor joint drive pattern, engine direct drive pattern, Brake energy recovery pattern and broken row
Return field mode.It is specific as follows：
Engine rapid starting/stopping machine pattern：Engine idle stop is one of energy saving important measures of motor vehicle driven by mixed power,
Especially public transit vehicle, since vehicle needs frequently parking, engine long time to be in idling work.Vehicle has idling
Stopping function just needs engine frequent start-stop, and existing vehicle motor, which starts motor, can not meet vehicle frequent start-stop machine need
Ask, the utility model is quickly dragged by motor inspires motivation to realize that the quick of engine opens machine, dragged by motor stop paying out it is dynamic
Machine can realize the quick shutdown of engine.Being separated at the same time by the first lock-up clutch 10, the second lock-up clutch 9 separates,
3rd lock-up clutch, 8 locking so that only preceding 4 gear of planet row is in driving torque during 1 rapid starting/stopping machine of engine, so that effectively
The quantity for reducing driving torque gear, effectively prevent rear planet row 6 and vehicle bridge master subtracted end and caused due to gear clearance
Gear vibration so that when effectively reducing 1 start and stop of engine system occur vibration noise.
Electric-only mode：This pattern is operated alone for motor, and the first lock-up clutch 10 separates under this pattern, the second locking
Clutch 9 separates, 7 locking of the 4th lock-up clutch, passes through the preceding planet row 4 of the cooperation of three lock-up clutches and rear planet
Row 6, which mechanically connects, to be disconnected, then, when driving, the second motor 5 provides driving energy, 4 gears of preceding planet row and the first electricity to pure electricity
Machine 3 is static not to be rotated, so as to effectively reduce mechanical loss, reduces energy consumption of vehicles.Whether system is more than V according to vehicle velocity V at this timePure electricity
And whether vehicle demand power is more than PLTo determine whether vehicle is operated in electric-only mode, wherein VPure electricityAnd PLRespectively pure electricity
The speed limit and power limit of mode decision condition.
Engine and motor joint drive pattern are divided into two patterns by different according to speed, wherein,
Engine and motor joint drive pattern 1：The first lock-up clutch 10 separates under this pattern, the second lock-up clutch
9 lockings, the 3rd lock-up clutch 8 separate, 7 locking of the 4th lock-up clutch.1 output torque T of engine at this timeEngIt is divided into two
Point, the preceding sun gear and front ring gear of planet row 4 before being transferred to respectively, the moment of torsion of sun gear is before being transferred to(k1 is
The characteristic value of preceding planet row), for drive the first motor 3 generate electricity, the electric energy sent be used for the second motor 5 driving vehicle traveling or
Person is stored into electrical source of power 12；The moment of torsion for being transferred to front ring gear isFor driving vehicle to travel.Under this pattern
The moment of torsion of 1 output driving vehicle of engineWith 5 output torque T of the second motorMotAfter being transferred to rear planet row 6
Sun gear, planet carrier exports after after 6 deceleration torque of planet row later, and rear planet row 6 act as first class reducer at this time, speed
Than being the characteristic value of rear planet row for 1+k2, wherein k2, the rotation speed relation of preceding planet row 4 is：(1+k1)nr=k1nEng+ns, its
In, nrFor preceding planet carrier output shaft rotating speed, nEngFor engine speed, nsFor the first motor speed, turn by adjusting the first motor
Fast ns, engine 1 can be caused to be in any rotary speed working, so as to ensure that engine 1 is chronically at efficient region work.Cause
This, realizes 1 rotating speed moment of torsion of engine and speed and the bilingual coupling of vehicle demand torque, realizes engine 1 and grow under this pattern
Phase works in high efficiency region, so as to effectively lift vehicle economy.
Engine and motor joint drive pattern 2：First lock-up clutch, 10 locking under this pattern, the second lock-up clutch
9 separation, the 3rd lock-up clutch 8 separates or locking, and the 4th lock-up clutch 7 separates.1 output torque T of engine at this timeEngEntirely
Portion is transferred to the rear gear ring of rear planet row 6, for driving vehicle.According to 5 power of 12 electricity of vehicle power power supply and the second motor
Demand determines that the first motor 3 is in power generation mode or idle mode.Second motor 5 is determined according to vehicle moment of torsion and power demand
Whether output torque drives vehicle or follows idle running.Energy conversion, 1 output torque of engine have been reduced or eliminated under this pattern
It is completely used for directly driving vehicle, needs not move through electric energy conversion, so as to effectively improve energy utilization efficiency, improves vehicle warp
Ji property.
Engine direct drives pattern：First lock-up clutch, 10 locking under this pattern, 9 locking of the second lock-up clutch, the 3rd
8 locking of lock-up clutch, the 4th lock-up clutch 7 separate.1 output torque T of engine at this timeEngAll it is transferred to rear planet row 6
Rear gear ring, for driving vehicle, torque relationship is at this time：Wherein ToutExport and turn round for rear planet carrier
Square, TEngFor 1 input torque of engine, k2 is rear planet row characteristic parameter.Under this state according to the electricity of electrical source of power 12 and
Two motors, 5 power demand determines that the first motor 3 is in power generation mode or idle mode.It is quiet that second motor 5 is in lockup state
Only do not rotate, so that mechanical damage and the loss of motor weak magnetic that 5 free-running belt of the second motor is come are effectively reduced, so as to be lifted whole
Car economy.
Stop power generation mode：When 12 electricity of vehicle power power supply is relatively low and during stationary vehicle, vehicle enters parking power generation mould
Formula, the first lock-up clutch 10 separates under this pattern, and the second lock-up clutch 9 separates, 8 locking of the 3rd lock-up clutch, and the 4th
Lock-up clutch 7 separates.1 output torque of engine is entirely delivered to the first motor 3 at this time, for generating electricity.
Brake energy recovery pattern：The first lock-up clutch 10 separates under this pattern, and the second lock-up clutch 9 separates, the
Three lock-up clutches 8 separate, 7 locking of the 4th lock-up clutch.Engine 1 does not work at this time, and the second motor 5 is in power generation mould
Formula, the second motor 5 provide vehicle braking moment, vehicle energy are recovered as power storage into electrical source of power 12.This Brake Energy
Measure the braking procedure that take-back model is suitable for during normal vehicle operation.
Broken row returns field mode：When vehicle bi-motor or electric machine controller either component failure, motor can not participate in vehicle
Work is driven, broken row can be used to return field mode at this time and travelled to repair shop's progress fault restoration.Under this pattern the first locking from
10 locking of clutch, the second lock-up clutch 9 separate, and the 3rd lock-up clutch 8 separates, and the 4th lock-up clutch 7 separates.Send out at this time
1 output torque of motivation is used to drive vehicle after after 6 deceleration torque of planet row.The speed reducing ratio of planet row 6 is after under this pattern
K2/ (1+k2), k2 are rear planet row characteristic value.It can realize that vehicle breaks row with 5-20km/h speeds and goes back to field under this pattern.
Fig. 3 provides the control flow chart of each operating mode of planet row hybrid electric drive system, and certainly, this is simply a kind of
Specific embodiment, definitive requirement is not done then for the sequencing of wherein each operating mode.Wherein, V is speed；VPure electricity
For electric-only mode and mixed dynamic model formula (i.e. engine and motor combine drive pattern) switch speed limit value, i.e. electric-only mode row
The maximum speed limit value sailed；SOCLFor vehicle power power supply SOC lower limits；SOCbrkFor on Brake energy recovery electrical source of power SOC
Limit value；PnedFor vehicle demand power；PLFor electric-only mode and mixed dynamic model formula power switched limit value, i.e. pure motor driving power
Upper limit value；PEngFor engine high-efficiency area output power.
As shown in figure 3, the first step, during normal vehicle operation, judge to be according to the state of brake pedal and gas pedal
It is no to belong to Brake energy recovery pattern, when brake pedal is operated or gas pedal is not operated, into second step,
Otherwise the 3rd step is entered.
Whether second step, be less than electrical source of power SOC upper limit values SOC according to vehicle electrical source of power SOC valuebrkTo judge vehicle
Whether Brake energy recovery pattern is entered, as electrical source of power SOC ＜ SOCbrkWhen, into Brake energy recovery pattern, otherwise cancel
Electric braking feedback.
Whether the 3rd step, be less than electrical source of power SOC lower limits SOC according to vehicle electrical source of power SOC valueLTo judge that vehicle is
It is no to enter engine and motor joint drive pattern 1, as electrical source of power SOC≤SOCLWhen, driven into engine and motor joint
Dynamic model formula 1, under this pattern under the premise of vehicle power demand is met, engine 1 is to the 3 extra output power power generation pair of the first motor
Electrical source of power 12 charges；Otherwise the 4th step is entered.
4th step, according to vehicle demand power PnedJudge whether vehicle enters pure electric mode with vehicle velocity V, when whole
Car demand power PnedLess than or equal to pure motor driving upper limit of the power value PLAnd vehicle velocity V is less than or equal to electric-only mode and travels most
High speed limit value VPure electricityWhen, vehicle enters pure electric mode, otherwise into the 5th step.
5th step, according to vehicle demand power PnedWhether engine high-efficiency area output power P is more thanEngAnd engine 1
Whether high efficiency region is operated in judge whether vehicle enters engine and motor joint drive pattern 1.When vehicle demand work(
Rate PnedMore than or equal to engine high-efficiency area output power PEngAnd engine, when being not at high efficiency region, vehicle enters engine
Combine drive pattern 1 with motor, otherwise into the 6th step.
6th step, loses to determine whether driving operating mode into engine direct according to the second motor 5 with the presence or absence of weak magnetic.
When the second motor 5 is there are during weak magnetic loss, vehicle enters engine direct and drives operating mode, otherwise combines into engine and motor
Drive pattern 2.
Therefore, which has the following effects that：
(1) cooperating of first, second, and third lock-up clutch is passed through so that open machine during engine rapid starting/stopping machine
Stop moment of torsion only in preceding planet row transmission with dragging, so as to effectively prevent the feelings that existing configuration moment of torsion is transmitted in front and rear planet row
Condition, effectively reduces torque transmitting gear chain number, effectively reduces the gear clearance of power transmission, start so as to effectively reduce
The vibration noise of machine start and stop.
(2) two motors and planet row output shaft are arranged in juxtaposition, and avoid the hollow shaft power output of axle sleeve axis, output shaft
Seal form can be identical with conventional gearbox output shaft seal form, is leaked so as to avoid output shaft present in existing configuration
Oil or output Simmer ring short life problem.
(3) during pure motor driving, the phase of the first lock-up clutch, the second lock-up clutch and the 4th lock-up clutch is passed through
Mutually coordinating realizes the mechanical connection separation of front and rear planet row, so that existing configuration is effectively prevent in pure motor driving, it is preceding
Planet row mechanically connects motor afterwards and preceding planet toothrow train follows the mechanical loss of idle running, reduces energy expenditure, improves
Pure electricity continual mileage.
(4) by the cooperating of four lock-up clutches, engine output torque and the second motor can be caused to export
The deceleration torque of planet row after moment of torsion passes through, so as to lift output shaft output torque, lifts vehicle maximum gradeability；Or
On the premise of keeping dynamic property constant, reduce motor model, reduce system cost.In addition, it can be reduced by gearbox effect
Motor torque demand, ensures to reduce Motor torque on the premise of vehicle climbing capacity, reduces motor cost.
(5) possess broken row returning function, when the motor or electric machine controller of vehicle break down, by four lockings from
The cooperating of clutch, can cause planet row deceleration torque after engine output power warp, independent so as to fulfill engine
Drive vehicle so that vehicle can be broken row with 5-20km/h speeds and go home to carry out fault repair.
Planet row hybrid electric drive system embodiment
The present embodiment provides a kind of planet row hybrid electric drive system, since the drive system is in above-mentioned vehicle embodiments
In be described in detail, the present embodiment just repeats no more.
Specific embodiment is presented above, but the utility model is not limited to described embodiment.This practicality
New basic ideas are above-mentioned basic scheme, for those of ordinary skill in the art, teaching according to the present utility model,
Design the models of various modifications, formula, parameter and creative work need not be spent.The principle of the utility model is not being departed from
The scope of protection of the utility model is still fallen within the change, modification, replacement and modification carried out in the case of spirit to embodiment
It is interior.
Claims (8)
1. a kind of planet row hybrid electric drive system, including preceding dynamic structure and rear dynamic structure, preceding dynamic structure includes hair
Motivation, preceding planet row and the first motor, rear dynamic structure include rear planet row and system output shaft, in the preceding planet row before
It is preceding first end to have one in sun gear, preceding planet carrier and front ring gear, and one is preceding second end, and one is preceding 3rd end, described
It is rear first end to have one in the rear sun gear in planet row, rear planet carrier and rear gear ring afterwards, and one is rear second end, and one is
3rd end afterwards, it is characterised in that the drive system further includes the first lock-up clutch, the second lock-up clutch and the 3rd locking
Clutch, the driving engine connection preceding first end, the first motor connection preceding second end, described preceding first
End connects the rear dynamic structure by the first lock-up clutch, and preceding 3rd end passes through the 3rd lock-up clutch and connects shell
Body, preceding 3rd end also connect the rear dynamic structure by the second lock-up clutch.
2. planet row hybrid electric drive system according to claim 1, it is characterised in that dynamic structure also wraps after described
The second motor and the 4th lock-up clutch, first end after the system output shaft connection is described are included, second motor connects institute
Rear second end is stated, preceding 3rd end connects the rear second end by second lock-up clutch, and the preceding first end is led to
The first lock-up clutch connection rear 3rd end is crossed, rear 3rd end also passes through the 4th lock-up clutch and connects shell
Body.
3. planet row hybrid electric drive system according to claim 1, it is characterised in that the preceding first end is forward
Carrier, preceding second end are preceding sun gear, and preceding 3rd end is front ring gear.
4. planet row hybrid electric drive system according to claim 2, it is characterised in that the preceding first end is forward
Carrier, preceding second end are preceding sun gear, and preceding 3rd end is front ring gear, and the rear first end is rear planet carrier, after rear second end is
Sun gear, rear 3rd end are rear gear ring.
5. a kind of vehicle, including a kind of planet row hybrid electric drive system, the drive system includes preceding dynamic structure with after
Dynamic structure, preceding dynamic structure include engine, preceding planet row and the first motor, and rear dynamic structure includes rear planet row and system
Output shaft, it is preceding first end to have one in the preceding sun gear, preceding planet carrier and front ring gear in the preceding planet row, and one is preceding
Two ends, one is preceding 3rd end, first after having one to be in the rear sun gear, rear planet carrier and rear gear ring in the rear planet row
End, one is rear second end, one be after the 3rd end, it is characterised in that the drive system further include the first lock-up clutch,
Second lock-up clutch and the 3rd lock-up clutch, the driving engine connect the preceding first end, and first motor connects
The preceding second end is connect, the preceding first end connects the rear dynamic structure, preceding 3rd end by the first lock-up clutch
Housing is connected by the 3rd lock-up clutch, preceding 3rd end also connects the rear power knot by the second lock-up clutch
Structure.
6. vehicle according to claim 5, it is characterised in that dynamic structure further includes the second motor and the 4th lock after described
Only clutch, first end after system output shaft connection is described, second end after the second motor connection is described, described preceding the
Three ends connect the rear second end by second lock-up clutch, and the preceding first end passes through first lock-up clutch
Rear 3rd end is connected, rear 3rd end also passes through the 4th lock-up clutch and connects housing.
7. vehicle according to claim 5, it is characterised in that the preceding first end is preceding planet carrier, before preceding second end is
Sun gear, preceding 3rd end are front ring gear.
8. vehicle according to claim 6, it is characterised in that the preceding first end is preceding planet carrier, before preceding second end is
Sun gear, preceding 3rd end are front ring gear, and the rear first end is rear planet carrier, and rear second end is rear sun gear, and rear 3rd end is
Gear ring afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720976456.0U CN207257353U (en) | 2017-08-07 | 2017-08-07 | Planet row hybrid electric drive system and the vehicle using the system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720976456.0U CN207257353U (en) | 2017-08-07 | 2017-08-07 | Planet row hybrid electric drive system and the vehicle using the system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207257353U true CN207257353U (en) | 2018-04-20 |
Family
ID=61924122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720976456.0U Withdrawn - After Issue CN207257353U (en) | 2017-08-07 | 2017-08-07 | Planet row hybrid electric drive system and the vehicle using the system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207257353U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109383266A (en) * | 2017-08-07 | 2019-02-26 | 郑州宇通客车股份有限公司 | A kind of planet row hybrid electric drive system and the vehicle using the system |
| CN110422045A (en) * | 2019-08-22 | 2019-11-08 | 科力远混合动力技术有限公司 | Transmission device for hybrid vehicle |
| CN112689574A (en) * | 2018-11-08 | 2021-04-20 | 舍弗勒技术股份两合公司 | Hybrid module and vehicle |
-
2017
- 2017-08-07 CN CN201720976456.0U patent/CN207257353U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109383266A (en) * | 2017-08-07 | 2019-02-26 | 郑州宇通客车股份有限公司 | A kind of planet row hybrid electric drive system and the vehicle using the system |
| CN109383266B (en) * | 2017-08-07 | 2024-04-19 | 宇通客车股份有限公司 | Planet row hybrid power driving system and vehicle using same |
| CN112689574A (en) * | 2018-11-08 | 2021-04-20 | 舍弗勒技术股份两合公司 | Hybrid module and vehicle |
| CN110422045A (en) * | 2019-08-22 | 2019-11-08 | 科力远混合动力技术有限公司 | Transmission device for hybrid vehicle |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180420 Effective date of abandoning: 20240419 |
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| AV01 | Patent right actively abandoned |
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