CN109435673A - Electromechanical hybrid power system - Google Patents
Electromechanical hybrid power system Download PDFInfo
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- CN109435673A CN109435673A CN201811478854.5A CN201811478854A CN109435673A CN 109435673 A CN109435673 A CN 109435673A CN 201811478854 A CN201811478854 A CN 201811478854A CN 109435673 A CN109435673 A CN 109435673A
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- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 239000007787 solid Substances 0.000 claims description 11
- 230000008450 motivation Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract description 10
- 238000010168 coupling process Methods 0.000 abstract description 10
- 238000005859 coupling reaction Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000007935 neutral effect Effects 0.000 description 38
- 230000009467 reduction Effects 0.000 description 28
- 238000005516 engineering process Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 8
- 238000010248 power generation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
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- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011982 device technology Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- 230000001172 regenerating effect Effects 0.000 description 1
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Classifications
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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
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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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- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
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Abstract
A kind of electromechanical hybrid power system of vehicle drive system technical field, including engine and it is arranged in intracorporal first motor of shell, the second motor, the first planet row, the second planet row, the first mechanical changeover mechanism, the second mechanical changeover mechanism, third mechanical changeover mechanism, wherein, first mechanical changeover mechanism is equipped with the first tooth set, second mechanical changeover mechanism is equipped with the second tooth set, and third mechanical changeover mechanism is equipped with one or two tooth set.The present invention carries out the transmission of multi power source power coupling using planet row, and uses the clutch of mechanical changeover mechanism controls and braking, and structure is simple, and system effectiveness is high.
Description
Technical field
The present invention relates to a kind of technology in vehicle drive system field, specifically a kind of electromechanical hybrid power system
System.
Background technique
It is faced with the challenge for constantly reducing pollutant emission in development process as the automobile of power using internal combustion engine, automobile is dynamic
Power just develops towards renewable, clean energy resource direction.Technology of Hybrid Electric Vehicle is a kind of by combustion engine powered and motor power
The technology to drive automobile is coupled in a certain way, it is that automobile power trend is completely free of to fossil fuel dependence, percent
Hundred by a kind of middle transition technology before clean energy resource.
Compared with traditional combustion engine powered technology, Technology of Hybrid Electric Vehicle can significantly improve energy utilization efficiency, reduce
Discharge.Since energy storage technology is yet to be completed, there is also expensive or small energy density deficiencies for vehicle-mounted clean energy resource, mix
The short slab of current clean energy resource actuation techniques can be made up to a certain extent by closing power technology, meet vehicle in terms of discharge
Government constantly becomes harsh laws and regulations requirement, and then can satisfy the requirement of user vehicle in terms of continual mileage, avoids
There is mileage anxiety.
The prior art mainly includes two major classes.One kind is usually adopted using technology of the planetary gear train as coupling device
It is connected in different ways with multiple power sources of input with 1 to 3 planetary gear trains, wherein typical representative patents
Including United States Patent (USP) US3566717, USB35B264 and Chinese patent CN2008100B2B20.7, CN201110185854.8.
Another major class is using technology of parallel axes (Layshaft) the formula gear train as coupling device, such as patent
CN200B301C1069.1, CN200910199960.4 etc..
In order to further increase the efficiency of hybrid power system, it is intended to increase the gear number of hybrid power system at present
Amount.In the hybrid power system using above-mentioned planetary gear train, multi-plate wet clutch or multi-sheet wet-type braking are generallyd use
The hydraulic gear-shiftings system such as device controls planetary gear, and in the hybrid power system of above-mentioned parallel-axis type gear train, lead to
It shifts gears frequently with electromechanical shift system.
The shortcomings that above-mentioned first kind planetary gear train coupling device technology, is main are as follows:
1) hydraulic oil in plunger shaft is needed to keep high pressure to provide to piston when the multi-plate wet clutch work used
Enough pressure, it is therefore desirable to which high-pressure oil pump continues fuel feeding, to improve the loss of dynamical system, and to controller and vehicle
Harness has higher requirement；
2) each executive component is required to a control oil circuit, therefore the quantity of clutch or brake is increased same
When, it can directly increase the complexity of hydraulic circuit, to improve the cost of power assembly；
3) it when pure electric vehicle operating condition is run, since engine is not involved in driving, is highly coupled by planetary gear train with it
Engine control motor (i.e. dynamotor) can not participate in driving, limit the power performance of whole device；
4) under pure electric vehicle operating condition, when only being driven with driver motor, it can only be run, not can guarantee with fixed drive ratio
Motor is often run in high efficient district, and system effectiveness is not high；
5) when speed is lower, under hybrid mode, engine control motor can only when engine participates in driving
With dynamotor mode operation, the electricity supply driver motor of sending is used, this working method makes one that engine provides
Partial power experienced mechanical energy to electric energy, again by the conversion of electric energy to mechanical energy, inefficient；
6) when speed is higher, under hybrid mode, engine control motor can only when engine participates in driving
It is run with electric motor mode, and driver motor will be with dynamotor mode operation, the electric supply engine of sending controls electricity
Motivation use, this working method also make engine provide a part of power experienced mechanical energy to electric energy, again by electric energy to
The conversion of mechanical energy, it is inefficient；
7) when engine driving dynamotor charges the battery, the operating point of engine and dynamotor is run by vehicle
The containing of operating point, the freedom degree for choosing operating point is smaller, and generating efficiency is made to be affected；
8) under coasting mode, only driver motor can participate in the recycling of energy, and at engine control motor
In idling conditions, become negatively affected the effect of braking energy feedback；
9) under braking energy feedback operating condition, in order to maximize effect, it is dynamic to generate electricity that engine controls motor needs
The operation of machine operating condition, and engine then has to enter into engine braking operation mode, this is wasted to a certain extent originally can return
The kinetic energy of receipts influences the effect of energy regenerating；
The defect of above-mentioned second class parallel-axis type coupling device technology specifically includes that
1) power transmission of motor to wheel is typically only capable to be fixed drive ratio under pure electric drive operating condition, not can guarantee
Motor is often run in high efficient district, and system effectiveness is not high；
If 2) using two motors cooperation synchronizer shift, although then may be implemented under pure electric drive operating condition double acting
Switching or double motor between power source drive jointly, but the power transmission of every motor to wheel can only be fixed biography
Dynamic ratio not can guarantee motor and often run in high efficient district, and system effectiveness is not high；
3) when system works under hybrid mode, although engine can participate in driving, due to engine
Transmission ratio to wheel be it is fixed, can not be continuously adjusted that (i.e. electric stepless variable-speed works to its operating point according to operating condition
Mode), engine-driven performance, efficiency and discharge index all can be very poor, can not play its efficiency；
4) only has the scheme of a motor for system, in the operating condition that engine driving dynamotor charges the battery
Under, containing of the operating point of engine and dynamotor by vehicle acceptable operating point chooses operating point and lacks freedom degree, make to send out
Motivation, the efficiency of dynamotor are all affected；
5) under braking energy feedback operating condition, although double motor can recover energy into power generation mode simultaneously,
Part energy can be consumed in dragging engine, thus reduce energy feedback ratio.
Summary of the invention
The present invention In view of the above shortcomings of the prior art, proposes a kind of electromechanical hybrid power system, using row
Star discharges into the transmission of row multi power source power coupling, and uses the clutch of mechanical changeover mechanism controls and braking, and structure is simple, system
It is high-efficient.
The present invention is achieved by the following technical solutions:
The present invention includes being arranged in the intracorporal engine of shell, the first motor, the second motor, the first planet row, second
Planet row, the first mechanical changeover mechanism, the second mechanical changeover mechanism and third mechanical changeover mechanism, wherein the first mechanical changeover
Mechanism is equipped with the first tooth set, and the second mechanical changeover mechanism is equipped with the second tooth set, and third mechanical changeover mechanism is equipped with one or two
Tooth set.
First planet row is equipped with the first sun gear, the first gear ring, several first planetary gears and first planet carrier, wherein
First sun gear is fixedly connected with an output end on the first motor.
Second planet row is equipped with the second sun gear, the second gear ring, several second planetary gears and the second planet carrier, wherein
Second sun gear is fixedly connected with an output end on the second motor.
For first tooth set along moving axially back and forth, the output end of the first gear ring and engine covers circumferentially fixed company by the first tooth
It is constituted when connecing when first clutch, the first gear ring and shell cover circumferentially fixed connection by the first tooth and constitutes the first brake；The
For two teeth set along moving axially back and forth, the first sun gear and first planet carrier constitute second when covering circumferentially fixed connection by the second tooth
Clutch, the first sun gear and shell constitute second brake when covering circumferentially fixed connection by the second tooth；
To which there are three operating positions: a first clutch closed position, a neutral gear position for the first gearshift tool
With a first arrester close position, the second gearshift equally has there are three operating position: a second clutch closure
Position, a neutral gear position and a second brake closed position.
According to the needs of vehicle driving-cycle, one or two settable tooth set of third mechanical changeover mechanism, specifically:
1) a tooth set is arranged in third mechanical changeover mechanism；Third tooth set edge is moved axially back and forth, the second gear ring and second
Planet carrier constitutes third clutch, the second gear ring and shell when covering circumferentially fixed connection by third tooth circumferential by third tooth set
It is constituted when being fixedly connected when third brake, the second planet carrier and shell cover circumferentially fixed connection by third tooth and constitutes the 4th system
Dynamic device, so that there are five operating positions: a third clutch closed position, two neutral gear positions for third mechanical changeover mechanism tool
It sets, a third arrester close position and a 4th arrester close position；
2) a tooth set is arranged in third mechanical changeover mechanism；Third tooth set along moving axially back and forth, the second gear ring with it is described
Third clutch, the second gear ring and shell are constituted when another output end covers circumferentially fixed connection by third tooth on first motor
Third brake is constituted when covering circumferentially fixed connection by third tooth, so that there are three working positions for third mechanical changeover mechanism tool
It sets: a third clutch closed position, a neutral gear position and a third arrester close position；
3) two tooth sets, a third tooth set, a 4th tooth set is arranged in third mechanical changeover mechanism；Third tooth set is along axis
It moves forwards, backwards, the second gear ring is constituted when covering circumferentially fixed connection by third tooth with another output end on first motor
Third clutch；For 4th tooth set along moving axially back and forth, the second gear ring and shell pass through structure when the set circumferentially fixed connection of the 4th tooth
At third brake, the second gear ring and the second planet carrier constitute the 4th clutch when covering circumferentially fixed connection by the 4th tooth, from
And there are four operating positions for third mechanical changeover mechanism tool: third tooth set is at neutral gear position, the 4th tooth set in first position
In third arrester close position, third tooth set is in third clutch closed position, the 4th tooth set in the in the second position
Three arrester close positions, third tooth set is in neutral gear position in third clutch closed position, the 4th tooth set in the third place
It sets, third tooth set is in the 4th clutch closed position in third clutch closed position, the 4th tooth set in the 4th position.
Technical effect
Compared with prior art, the present invention has the following technical effect that
1) using the power in planet row coupling different dynamic source, and mechanical changeover mechanism is used rather than hydraulic gear-shifting mechanism pair
Planet row is controlled, and needs to be independently arranged for clutch, brake relative to hydraulic gear-shifting mechanism, using mechanical changeover machine
Structure can control 1 clutch and 1 brake, simplifies system, improves operation stability；
2) the first motor and the second motor can independently drive under pure electric vehicle operating condition, and all have two gears
Position, by temporarily switch to another motor drive can be realized gear switching when power without interrupt output；
3) real by the revolving speed and torque that adjust the first motor using eCVT operating mode under hybrid power operating condition
Existing engine operating condition point and vehicle operating condition decouple, so that no matter equal when vehicle is run at a low speed or when running at high speed engine is
It can work in maximum efficiency areas；
4) it can realize start and stop function at vehicle when driving by the first motor starting engine, reduce engine idling
Energy consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2；
Fig. 3 is the structural schematic diagram of embodiment 3；
In figure:
First motor 1, the first motor output end 19, the second motor 2, output shaft 3；
First sun gear 11, first planet carrier 12, the first gear ring 13, first planetary gear 14；
Second sun gear 21, the second planet carrier 22, the second gear ring 23, the second planetary gear 24；
First tooth covers the 40, second tooth set 50, third tooth covers the 60, the 4th tooth set 70；
Engine 8, engine output end 81.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention will be described in detail.
Embodiment 1
As shown in Figure 1, the present embodiment is related to a kind of electromechanical hybrid power system, including engine 8 and setting in shell
Interior the first motor 1, the second motor 2, the first planet row, the second planet row, the first mechanical changeover mechanism, the second machinery change
Retaining device, third mechanical changeover mechanism, wherein the first mechanical changeover mechanism is equipped with the first tooth set 40, the second mechanical changeover mechanism
Equipped with the second tooth set 50, third mechanical changeover mechanism is equipped with third tooth set 60；
First planet row is equipped with the first sun gear 11, the first gear ring 13, several first planetary gears 14 and the first row
Carrier 12, wherein the first sun gear 11 is fixedly connected with one output end of the first motor；First tooth set 40 is along axial direction to moving to left
Dynamic, the first gear ring 13 constitutes first clutch when covering 40 circumferentially fixed connection by the first tooth with engine output end 81；First
For tooth set 40 along axially to the right, the first gear ring 13 constitutes the first braking when covering 40 circumferentially fixed connection by the first tooth with shell
Device；When the first tooth set 40 is in an intermediate position, when the first gear ring 13 is not connect with engine output end 81 or shell, for neutral gear position
It sets.
Second tooth set 50 moves axially to the left, and the first sun gear 11 is circumferential by the second tooth set 50 with first planet carrier 12
Second clutch is constituted when being fixedly connected；For second tooth set 50 along axially to the right, the first sun gear 11 passes through second with shell
Tooth constitutes second brake when covering 50 circumferentially fixed connection；When the second tooth set is 50 in an intermediate position, the first sun gear 11 not with
It is neutral gear position when first planet carrier 12 or shell connect.
Second planet row is equipped with the second sun gear 21, the second gear ring 23, several second planetary gears 24 and the second planet carrier
22, wherein the second sun gear 21 is fixedly connected with the second motor output end；Third tooth covers 60 edges axially to the right, and second
Gear ring 23 and the second planet carrier 22 constitute third clutch when covering 60 circumferentially fixed connection by third tooth；Third tooth set 60 is along axis
To continuing to move right, the second planet carrier 22 constitutes the 4th brake when covering 60 circumferentially fixed connection by third tooth with shell；
Third tooth set 60 moves axially to the left, and the second gear ring 23 constitutes third when covering 60 circumferentially fixed connection by third tooth with shell
Brake；When third tooth set 60 be in third brake and third clutch middle positions, the second gear ring 23 not with the second row
It is neutral gear position N3 when carrier 22 or shell connect；When third tooth set 60 is in the centre of the 4th brake and third clutch
Position is neutral gear position N4 when the second planet carrier 22 is not connect with the second gear ring 23 or shell.
The output end of the first planet carrier 12 is connect with 22 axial restraint of the second planet carrier, and the second planet carrier 22 is axial solid
Surely it is connected with output shaft 3.
First motor 1 is arranged between the first planet row and the second planet row, and second motor 2 is arranged in
Far from first planet row one end on second planet row.
The present embodiment at work, including following working condition:
1) the pure power mode that the first motor 1 is operated alone；
I. the first tooth set 40 is located at the first arrester close position B1, and the first gear ring 13 is locked up, and the second tooth set 50 is located at
Neutral gear position N2, third tooth set 60 are located at neutral gear position N3；The power output of first motor 1 is passed through to the first sun gear 11
Output shaft 3 is passed through to vehicle output power, the at this time deceleration of the first planet row from first planet carrier 12 after the deceleration of first planet row
Than for (K1+1)；
Ii. the first tooth set 40 is located at neutral gear position N1, and the second tooth set 50 is located at second clutch closed position C 2, and first too
Sun wheel 11 and 12 axial restraint of first planet carrier, third tooth set 60 are located at neutral gear position N3；The power output of first motor 1 arrives
First sun gear 11 passes through output shaft 3 to vehicle output power, at this time from first planet carrier 12 after the deceleration of the first planet row
The reduction ratio of first planet row is 1；
2) the pure power mode that the second motor 2 is operated alone；
I. the first tooth set 40 is located at neutral gear position N1, and the second tooth set 50 is located at neutral gear position N2, and third tooth set 60 is located at the
Three arrester close position B3, the second gear ring 23 are locked up；The power output of second motor 2 is passed through to the second sun gear 21
Output shaft 3 is passed through to vehicle output power, the at this time deceleration of the second planet row from the second planet carrier 22 after the deceleration of second planet row
Than for (K2+1)；
Ii. the first tooth set 40 is located at neutral gear position N1, and the second tooth set 50 is located at neutral gear position N2, and third tooth set 60 is located at the
Three clutch closed position Cs 3, the second planet carrier 22 and the second gear ring 23 are circumferentially fixed；The power output of second motor 2 is to
Two sun gears 21, after the deceleration of the second planet row from the second planet carrier 22 by output shaft 3 to vehicle output power, at this time the
The reduction ratio of two planet rows is 1；
3) the pure power mode of the first motor and the joint driving of the second motor；
I. the first tooth set 40 is located at the first arrester close position B1, and the first gear ring 13 is locked up, and the second tooth set 50 is located at
Neutral gear position N2, third tooth set 60 are located at third arrester close position B3, and the second gear ring 23 is locked up；First motor 1
Power output is defeated to vehicle by output shaft 3 from first planet carrier 12 after the deceleration of the first planet row to the first sun gear 11
Power out, the power output of the second motor 2 is to the second sun gear 21, by the second planet carrier 22 after the deceleration of the second planet row
By output shaft 3 to vehicle output power, the reduction ratio of the first planet row is (K at this time1+ 1), the reduction ratio of the second planet row is
(K2+1)；
Ii. the first tooth set 40 is located at neutral gear position N1, and the second tooth set 50 is located at second clutch closed position C 2, and first too
Sun wheel 11 and 12 axial restraint of first planet carrier, third tooth set 60 are located at third arrester close position B3,23 quilt of the second gear ring
Locking；The power output of first motor 1 is led to after the deceleration of the first planet row by first planet carrier 12 to the first sun gear 11
Output shaft 3 is crossed to vehicle output power, the power output of the second motor 2 subtracts to the second sun gear 21 by the second planet row
Output shaft 3 is passed through to vehicle output power from the second planet carrier 22 after speed, the reduction ratio of the first planet row is 1 at this time, the second row
The reduction ratio of star row is (K2+1)；
Iii. the first tooth set 40 is located at the first arrester close position B1, and the first gear ring 13 is locked up, and the second tooth covers 50
In neutral gear position N2, third tooth set 60 is located at third clutch closed position C 3, and the second planet carrier 22 and the second gear ring 23 are circumferential
It is fixed；The power output of first motor 1 is led to after the deceleration of the first planet row by first planet carrier 12 to the first sun gear 11
Output shaft 3 is crossed to vehicle output power, the power output of the second motor 2 subtracts to the second sun gear 21 by the second planet row
Output shaft 3 is passed through to vehicle output power from the second planet carrier 22 after speed, the reduction ratio of the first planet row is (K at this time1+ 1),
The reduction ratio of two planet rows is 1；
Iiii. the first tooth set 40 be located at neutral gear position N1, the second tooth set 50 be located at second clutch closed position C 2, first
12 axial restraint of sun gear 11 and first planet carrier, third tooth set 60 are located at third clutch closed position C 3, the second planet carrier
22 is circumferentially fixed with the second gear ring 23；The power output of first motor 1 is slowed down to the first sun gear 11 by the first planet row
Afterwards from first planet carrier 12 by output shaft 3 to vehicle output power, the power output of the second motor 2 to the second sun gear
21, after the deceleration of the second planet row from the second planet carrier 22 by output shaft 3 to vehicle output power, the first planet row at this time
Reduction ratio be 1, the reduction ratio of the second planet row is 1；
4) the pure fuel oil mode that engine 8 is operated alone；
I. the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 is circumferential solid with engine output end 81
Fixed connection, the second tooth set 50 are located at second brake closed position B2, and the first sun gear 11 is fixed, and third tooth set 60 is located at sky
Gear sets N3；The power output of engine 8 is passed through after the deceleration of the first planet row by first planet carrier 12 to the first gear ring 13
Output shaft 3 is to vehicle output power, and the reduction ratio of the first planet row is (K at this time1+1)/K1；
Ii. the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 and engine output end 81 are circumferential
It is fixedly connected, the second tooth set 50 is located at second clutch closed position C 2, and the first sun gear 11 and first planet carrier 12 are axial solid
Fixed, third tooth set 60 is located at neutral gear position N3；The power output of engine 8 is slowed down to the first gear ring 13 by the first planet row
Output shaft 3 is passed through to vehicle output power from first planet carrier 12 afterwards, the reduction ratio of the first planet row is 1 at this time；
5) engine 8 combines the mixed dynamic model formula of driving with the first motor 1；
First tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 and engine output end 81 are circumferentially fixed
Connection, the second tooth set 50 are located at neutral gear position N2, and third tooth set 60 is located at neutral gear position N3；The power output of engine 8 is to
One gear ring 13, the power output of the first motor 1 to the first sun gear 11, the first planet row 10 couple engine 8 and first electric
Output shaft 3 is passed through to vehicle output power from first planet carrier 12 after the power of motivation 1, the first planet row is in eCVT mould at this time
Formula；
First tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 and engine output end 81 are circumferentially fixed
Connection, the second tooth set 50 are located at second clutch closed position C 2,12 axial restraint of the first sun gear 11 and first planet carrier, and the
Three teeth set 60 is located at the first neutral gear position N3；For the power output of engine 8 to the first gear ring 13, the power of the first motor 1 is defeated
Out to the first sun gear 11, the first planet row coupling engine 8 is passed through with after the power of the first motor 1 by first planet carrier 12
Output shaft 3 is to vehicle output power, and the reduction ratio of the first planet row is 1 at this time；
6) engine 8 combines the mixed dynamic model formula of driving with the second motor 2；
I. the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 is circumferential solid with engine output end 81
Fixed connection, the second tooth set 50 are located at second brake closed position B2, and the first sun gear 11 is fixed, and third tooth set 60 is located at the
Three arrester close position B3, the second gear ring 23 are locked up；The power output of engine 8 is to the first gear ring 13, by the first row
Star row slow down after from first planet carrier 12 by output shaft 3 to vehicle output power, the power output of the second motor 2 to second
Sun gear 21, after the deceleration of the second planet row from the second planet carrier 22 by output shaft 3 to vehicle output power, at this time first
The reduction ratio of planet row is (K1+1)/K1, the reduction ratio of the second planet row is (K2+1)；
Ii. the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 and engine output end 81 are circumferential
It is fixedly connected, the second tooth set 50 is located at second brake closed position B2, and the first sun gear 11 is fixed, and third tooth set 60 is located at
Third clutch closed position C 3, the second planet carrier 22 and the second gear ring 23 are circumferentially fixed；The power output of engine 8 is to first
Gear ring 13 passes through output shaft 3 to vehicle output power, the second motor from first planet carrier 12 after the deceleration of the first planet row
2 power output to the second sun gear 21 passes through output shaft 3 to vehicle from the second planet carrier 22 after the deceleration of the second planet row
Output power, the reduction ratio of the first planet row is (K at this time1+1)/K1, the reduction ratio of the second planet row is 1；
Iii. the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 and engine output end 81 are circumferential
It is fixedly connected, the second tooth set 50 is located at second clutch closed position C 2, and the first sun gear 11 and first planet carrier 12 are axial solid
Fixed, third tooth set 60 is located at third arrester close position B3, and the second gear ring 23 is locked up；The power output of engine 8 is to
One gear ring 13, it is electronic to vehicle output power, second by output shaft 3 from first planet carrier 12 after the deceleration of the first planet row
The power output of machine 2 to the second sun gear 21, after the deceleration of the second planet row from the second planet carrier 22 by output shaft 3 to whole
Vehicle output power, the reduction ratio of the first planet row is 1 at this time, and the reduction ratio of the second planet row is (K2+1)。
Iiii. the first tooth set 40 is located at first clutch closed position C 1, the first gear ring 13 with engine output end 81 weeks
To being fixedly connected, the second tooth set 50 is located at second clutch closed position C 2, and the first sun gear 11 and first planet carrier 12 are axial
Fixed, third tooth set 60 is located at third clutch closed position C 3, and the second planet carrier 22 and the second gear ring 23 are circumferentially fixed；Start
The power output of machine 8 passes through output shaft 3 to vehicle from first planet carrier 12 after the deceleration of the first planet row to the first gear ring 13
Output power, the power output of the second motor 2 is to the second sun gear 21, by the second planet carrier after the deceleration of the second planet row
22 pass through output shaft 3 to vehicle output power, and the reduction ratio of the first planet row is 1 at this time, and the reduction ratio of the second planet row is 1；
7) engine 8 combines the mixed dynamic model formula of driving with the first motor 1, the second motor 2；
I. the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 is circumferential solid with engine output end 81
Fixed connection, the second tooth set 50 are located at neutral gear position N2, and third tooth set 60 is located at third arrester close position B3, the second gear ring 23
It is locked up；The power output of engine 8 is to the first gear ring 13, the power output of the first motor 1 to the first sun gear 11, and first
It is dynamic to vehicle output by output shaft 3 from first planet carrier 12 after the power of planet row coupling engine 8 and the first motor 1
Power, the power output of the second motor 2 are passed through after the deceleration of the second planet row by the second planet carrier 22 to the second sun gear 21
Output shaft 3 is to vehicle output power, and the first planet row is in eCVT mode at this time, and the reduction ratio of the second planet row is (K2+1)；
Ii. the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 and engine output end 81 are circumferential
It is fixedly connected, the second tooth set 50 is located at neutral gear position N2, and the first sun gear 11 is fixed, and third tooth set 60 is located at third clutch
Closed position C 3, the second planet carrier 22 and the second gear ring 23 are circumferentially fixed；The power output of engine 8 is to the first gear ring 13, and
The power output of one motor 1 is to the first sun gear 11, after the first planet row couples the power of engine 8 and the first motor 1
From first planet carrier 12 by output shaft 3 to vehicle output power, the power output of the second motor 2 to the second sun gear 21,
Output shaft 3 is passed through to vehicle output power, at this time at the first planet row from the second planet carrier 22 after the deceleration of the second planet row
In eCVT mode, the reduction ratio of the second planet row is 1；
Iii. the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 and engine output end 81 are circumferential
It is fixedly connected, the second tooth set 50 is located at second clutch closed position C 2, and the first sun gear 11 and first planet carrier 12 are axial solid
Fixed, third tooth set 60 is located at third arrester close position B3, and the second gear ring 23 is locked up；The power output of engine 8 is to
One gear ring 13, the power output of the first motor 1 to the first sun gear 11, the first planet row couple engine 8 and first electronic
After the power of machine 1 from first planet carrier 12 by output shaft 3 to vehicle output power, the power output of the second motor 2 to the
Two sun gears 21, after the deceleration of the second planet row from the second planet carrier 22 by output shaft 3 to vehicle output power, at this time the
The reduction ratio of one planet row is 1, and the reduction ratio of the second planet row is (K2+1)；
Iiii. the first tooth set 40 is located at first clutch closed position C 1, the first gear ring 13 with engine output end 81 weeks
To being fixedly connected, the second tooth set 50 is located at second clutch closed position C 2, and the first sun gear 11 and first planet carrier 12 are axial
Fixed, third tooth set 60 is located at third clutch closed position C 3, and the second planet carrier 22 and the second gear ring 23 are circumferentially fixed；Start
The power output of machine 8 is to the first gear ring 13, the power output of the first motor 1 to the first sun gear 11, the coupling of the first planet row
It is electronic to vehicle output power, second by output shaft 3 from first planet carrier 12 after the power of engine 8 and the first motor 1
The power output of machine 2 to the second sun gear 21, after the deceleration of the second planet row from the second planet carrier 22 by output shaft 3 to whole
Vehicle output power, the reduction ratio of the first planet row is 1 at this time, and the reduction ratio of the second planet row is 1；
8) the pure power generation mode of the first motor 1 power generation is operated alone in engine 8；
First tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 and engine output end 81 are circumferentially fixed
Connection, the second tooth set 50 are located at neutral gear position N2, and third tooth set 60 is located at the 4th arrester close position B4；Engine 8 moves
Power is output to the first gear ring 13, drives the power generation of the first motor 1, the torque of engine 8 at this time and the by the first sun gear 11
The torque ratio of one motor 1 is K1；
9) the mixed dynamic model formula of the driving of engine 8 and the power generation of the first motor 1；
I. the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 is circumferential solid with engine output end 81
Fixed connection, the first gear ring 13 and the circumferentially fixed connection of engine output end 81, the second tooth set 50 are located at neutral gear position N2, third tooth
Set 60 is located at neutral gear position N3；To the first gear ring 13, a part of power is passed through the power output of engine 8 by first planet carrier 12
Output shaft 3 is output to the first motor 1 by the first sun gear 11 and generates electricity to vehicle output power, excess power, at this time the first row
Star row is in eCVT mode；
Ii. the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 and engine output end 81 are circumferential
It is fixedly connected, the second tooth set 50 is located at second clutch closed position C 2, and the first sun gear 11 and first planet carrier 12 are axial solid
Fixed, third tooth set 60 is located at neutral gear position N3, and the power output of engine 8 is to the first gear ring 13, and a part of power is by the first row
By output shaft 3 to vehicle output power, excess power is output to the first motor 1 by the first sun gear 11 and generates electricity carrier 12,
The reduction ratio of the first planet row is 1 at this time；
10) feedback braking mode；
It can be only with the braking energy feedback that the first motor 1 generates electricity or the system to generate electricity only with the second motor 2
Energy feedback or the braking energy feedback to be generated electricity using double motor；The above-mentioned electric-only mode of state reference of each tooth set or
State in mixed dynamic model formula, only corresponding motor becomes power generation operation mode from driving operating mode；
11) engine start and stop mode；
When vehicle stops and does not need power generation, engine 8 can be shut down to save engine idling energy consumption；It needs to start
When engine 8, the first tooth set 40 is located at first clutch closed position C 1, and the first gear ring 13 is circumferential solid with engine output end 81
Fixed connection, the second tooth set 50 are in neutral gear position N2, and the first planet row is in eCVT mode at this time, can be by the first motor 1
Start engine 8.
Embodiment 2
As shown in Fig. 2, embodiment 2 is the difference from embodiment 1 is that third gearshift is different；Third is changed in the present embodiment
Third tooth set 60 is provided in retaining device；
When third tooth set 60 is moved to the left, the second gear ring 23 of the second planet row 20 is electronic by third tooth set 60 and first
The circumferentially fixed connection of machine output end 19 constitutes third clutch；When third tooth set 60 moves right, the second of the second planet row 20
Gear ring 23 is connect by third tooth set 60 with shell, and third brake is constituted；Third tooth covers 60 in an intermediate position, the second gear rings
23 with the first motor output end 19 or shell when not connecting, and is neutral gear position.
In the present embodiment, when the first motor 1 and the second motor 2 drive simultaneously, third tooth set 60 can be made to be in
Third clutch closed position C 3, the second planet row is in eCVT mode at this time, and the first motor 1 and the second motor 2 can roots
It is in peak efficiency area in real time according to its efficiency characteristic.
Embodiment 3
As shown in figure 3, embodiment 3 is on third gearshift the difference from example 2 is that be simutaneously arranged there are two tooth set,
Respectively third tooth set 60 and the 4th tooth set 70.
When third tooth set 60 moves right, the second gear ring 23 of the second planet row 20 is electronic by third tooth set 60 and first
The circumferentially fixed connection of 1 output end of machine 19 constitutes third clutch；Third tooth set 60 is when being moved to the left, and the of the second planet row 20
Two gear rings 23 are not neutral gear position with the circumferentially fixed connection of the first motor output end 19；
When 4th tooth set 70 is moved to the left, the second gear ring 23 of the second planet row 20 is circumferential by the 4th tooth set 70 and shell
It is fixedly connected, constitutes third brake, when the 4th tooth set 70 moves right, the second gear ring 23 of the second planet row 20 passes through the 4th
Tooth set 70 is connect with the second planet carrier 22 of the second planet row 20, constitutes the 4th clutch；4th tooth set 70 is in an intermediate position,
It is neutral gear position when second gear ring 23 is not connect with the second planet carrier 22 or shell of the second planet row 20.
Since third gearshift drives third tooth set 60 and the 4th tooth set 70 simultaneously, by the row of third gearshift
Journey is divided into 4 positions, the position of corresponding third tooth set 60 be respectively neutral gear position N, third clutch closed position C 3, third from
The position of clutch closed position C 3, third clutch closed position C 3, corresponding 4th tooth set 70 is respectively third arrester close
Position B3, third arrester close position B3, neutral gear position N, the 4th clutch closed position B4.
It is emphasized that: the above is only presently preferred embodiments of the present invention, not make in any form to the present invention
Limitation, any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
All of which are still within the scope of the technical scheme of the invention.
Claims (8)
1. a kind of electromechanical hybrid power system, which is characterized in that including engine and setting intracorporal first motor of shell,
Second motor, the first planet row, the second planet row, the first mechanical changeover mechanism, the second mechanical changeover mechanism, third machinery change
Retaining device, wherein the first mechanical changeover mechanism is equipped with the first tooth set, and the second mechanical changeover mechanism is equipped with the second tooth set, third machine
Tool gearshift is equipped with third tooth set；
First planet row is equipped with the first sun gear, the first gear ring, several first planetary gears and first planet carrier, wherein
First sun gear is fixedly connected with an output end on the first motor；First tooth set edge is moved axially back and forth, the first gear ring and hair
The output end of motivation constitutes first clutch when covering circumferentially fixed connection by the first tooth, the first gear ring and shell pass through the first tooth
The first brake is constituted when covering circumferentially fixed connection；Second tooth set edge is moved axially back and forth, the first sun gear and first planet carrier
Second clutch is constituted when covering circumferentially fixed connection by the second tooth, the first sun gear covers with shell by the second tooth circumferentially fixed
Second brake is constituted when connection；
Second planet row is equipped with the second sun gear, the second gear ring, several second planetary gears and the second planet carrier, wherein second
Sun gear is fixedly connected with an output end on the second motor；Third tooth set edge is moved axially back and forth, the second gear ring and the second row
Carrier constitutes third clutch, the second gear ring and shell when covering circumferentially fixed connection by third tooth circumferential solid by third tooth set
It is constituted when connecting surely when third brake, the second planet carrier and shell cover circumferentially fixed connection by third tooth and constitutes the 4th braking
Device；
For the output end of the first planet carrier with the second planet carrier shaft to being fixedly connected, the second planet carrier shaft is defeated to being fixedly connected with
Shaft.
2. electromechanical hybrid power system according to claim 1, characterized in that first, second, third and fourth system
Dynamic device is mechanical brake, and the mechanical brake is in dog brake, synchronizer and controllable uni-directional brake
Any one.
3. a kind of electromechanical hybrid power system, which is characterized in that including engine and setting intracorporal first motor of shell,
Second motor, the first planet row, the second planet row, the first mechanical changeover mechanism, the second mechanical changeover mechanism, third machinery change
Retaining device, wherein the first mechanical changeover mechanism is equipped with the first tooth set, and the second mechanical changeover mechanism is equipped with the second tooth set, third machine
Tool gearshift is equipped with third tooth set；
First planet row is equipped with the first sun gear, the first gear ring, several first planetary gears and first planet carrier, wherein
First sun gear is fixedly connected with an output end on the first motor；First tooth set edge is moved axially back and forth, the first gear ring and hair
The output end of motivation constitutes first clutch when covering circumferentially fixed connection by the first tooth, the first gear ring and shell pass through the first tooth
The first brake is constituted when covering circumferentially fixed connection；Second tooth set edge is moved axially back and forth, the first sun gear and first planet carrier
Second clutch is constituted when covering circumferentially fixed connection by the second tooth, the first sun gear covers with shell by the second tooth circumferentially fixed
Second brake is constituted when connection；
Second planet row is equipped with the second sun gear, the second gear ring, several second planetary gears and the second planet carrier, wherein second
Sun gear is fixedly connected with an output end on the second motor；Third tooth set along moving axially back and forth, the second gear ring and described the
Third clutch is constituted when another output end covers circumferentially fixed connection by third tooth on one motor, the second gear ring and shell are logical
It crosses when third tooth covers circumferentially fixed connection and constitutes third brake；
For the output end of the first planet carrier with the second planet carrier shaft to being fixedly connected, the second planet carrier shaft is defeated to being fixedly connected with
Shaft.
4. according to claim 1 or the 3 electromechanical hybrid power systems, characterized in that first, second, and third clutch
Device is mechanical clutch, and the mechanical clutch is to appoint in dog clutch, synchronizer and controllable one-way clutch device
It anticipates one kind.
5. a kind of electromechanical hybrid power system, which is characterized in that including engine and intracorporal first motor of setting shell, the
Two motor, the first planet row, the second planet row, the first mechanical changeover mechanism, the second mechanical changeover mechanism, third mechanical changeover
Mechanism, wherein the first mechanical changeover mechanism is equipped with the first tooth set, and the second mechanical changeover mechanism is equipped with the second tooth set, and third is mechanical
Gearshift is equipped with third tooth set and the 4th tooth set；
First planet row is equipped with the first sun gear, the first gear ring, several first planetary gears and first planet carrier, wherein
First sun gear is fixedly connected with an output end on the first motor；First tooth set edge is moved axially back and forth, the first gear ring and hair
The output end of motivation constitutes first clutch when covering circumferentially fixed connection by the first tooth, the first gear ring and shell pass through the first tooth
The first brake is constituted when covering circumferentially fixed connection；Second tooth set edge is moved axially back and forth, the first sun gear and first planet carrier
Second clutch is constituted when covering circumferentially fixed connection by the second tooth, the first sun gear covers with shell by the second tooth circumferentially fixed
Second brake is constituted when connection；
Second planet row is equipped with the second sun gear, the second gear ring, several second planetary gears and the second planet carrier, wherein second
Sun gear is fixedly connected with an output end on the second motor；Third tooth set along moving axially back and forth, the second gear ring and described the
Third clutch is constituted when another output end covers circumferentially fixed connection by third tooth on one motor；4th tooth set is before axial direction
After move, the second gear ring and shell constitute third brake, the second gear ring and second when covering circumferentially fixed connection by the 4th tooth
Planet carrier constitutes the 4th clutch when covering circumferentially fixed connection by the 4th tooth；
For the output end of the first planet carrier with the second planet carrier shaft to being fixedly connected, the second planet carrier shaft is defeated to being fixedly connected with
Shaft.
6. electromechanical hybrid power system according to claim 5, characterized in that described first, second, third and fourth from
Clutch is mechanical clutch, and the mechanical clutch is in dog clutch, synchronizer and controllable one-way clutch device
Any one.
7. according to the electromechanical hybrid power system of claim 2 or 5, characterized in that first, second, and third braking
Device is mechanical brake, and the mechanical brake is to appoint in dog brake, synchronizer and controllable uni-directional brake
It anticipates one kind.
8. according to claim 1, the 3 or 5 electromechanical hybrid power system, characterized in that first motor arrangement in
Between first planet row and the second planet row, second motor arrangement is in the first planet row one separate on the second planet row
End.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109835342A (en) * | 2019-03-21 | 2019-06-04 | 浙江鑫可精密机械有限公司 | The method of one mode control new energy vehicle retarder system |
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