CN110281760A - Hybrid electric drive system and application - Google Patents
Hybrid electric drive system and application Download PDFInfo
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- CN110281760A CN110281760A CN201910577883.5A CN201910577883A CN110281760A CN 110281760 A CN110281760 A CN 110281760A CN 201910577883 A CN201910577883 A CN 201910577883A CN 110281760 A CN110281760 A CN 110281760A
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- 238000011084 recovery Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 48
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000010248 power generation Methods 0.000 claims description 7
- 230000009897 systematic effect Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000001172 regenerating effect Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating 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
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a kind of hybrid electric drive system and applications, belong to Automobile drive technical field.The system has the hybrid electric drive system of engine, first motor and second three power sources of motor, by being applied in Automobile drive, it pure electric drive mode, combination drive mode, engine direct may be implemented drives mode and to slide the/various modes such as Brake energy recovery mode, efficiently to utilize engine and battery, energy consumption is reduced.Meanwhile pure electric drive mode is used in vehicle starting acceleration and low-speed stage, motor is not only utilized and responds fast, low-speed big characteristic, promotes dynamic property, moreover it is possible to avoid the energy loss of engine frequent start-stop, raising rate of economizing gasoline；In middling speed and the intervention driving of high speed stage engine, which may be implemented more gear speed ratios and further increases rate of economizing gasoline so that transmitter always works at high efficient district.
Description
Technical field
The present invention relates to Automobile drive technical field, in particular to a kind of hybrid electric drive system and application.
Background technique
With continuing to increase for car ownership, automobile exhaust pollution has become the main source of urban air pollution.
In order to reduce automobile exhaust pollution, country encourages Zhi Che enterprise to accelerate transition, to develop new-energy automobile.Hybrid vehicle is made
Gradually obtain the majority of consumers' for a kind of new-energy automobile with superior energy-saving and emission-reduction performance and preferable user experience
Favor.
In hybrid vehicle, used drive system is different from traditional fuel-engined vehicle, also different from pure electricity
Electrical automobile belongs to a kind of hybrid electric drive system.Current hybrid electric drive system is mostly based on traditional fluid drive
What case was developed, by front end or rear end that motor is simply integrated in AT, AMT, CVT or DCT iso-variable velocity case.
Although the technical difficulty of current hybrid electric drive system is told somebody what one's real intentions are, required Innovation Input is less, its work
Mode is single, cannot be adjusted according to user's actual condition demand, influence rate of economizing gasoline；Requirement for motor, engine compared with
Height leads to higher cost；Easily leading to when high voltage fault perhaps battery capacity deficiency occurs in system can not drive or dynamic property
It is poor.
Summary of the invention
In consideration of it, the present invention provides a kind of hybrid electric drive system and application, both it had been adapted to make under middle speed operation
Vehicle driving is driven with pure electric drive mode, is also adapted under high speed operating condition drive mode activated vehicle row using engine direct
It sails, so that each power source more works in high efficient district, improves rate of economizing gasoline.
Specifically, including technical solution below:
In a first aspect, the embodiment of the invention provides a kind of hybrid electric drive system, the system comprises: engine,
Single planetary row, double planet wheel rows of mixing, transmission shaft, first motor, the second motor, the first brake, second brake, first clutch,
Second clutch, third clutch and battery；
The single planetary row is connected with the engine, the first motor and second motor respectively, and described second
Motor is connected with the transmission shaft；
The double planet wheel rows of mixing includes the first sun gear, the second sun gear, first planet carrier/gear ring, the second planet carrier/tooth
Circle, multiple first planetary gears and multiple second planetary gears；Each first planetary gear is outer with first sun gear simultaneously
The inner circle tooth engagement of gear ring in knuckle-tooth and the first planet carrier/gear ring, and multiple first planetary gears are rotationally set
It sets on the planet carrier of the first planet carrier/gear ring；Each second planetary gear is outer with second sun gear simultaneously
The inner circle tooth engagement of gear ring in knuckle-tooth and second planet carrier/gear ring, and multiple second planetary gears are rotationally set
It sets on second planet carrier/gear ring planet carrier；First planet carrier/the gear ring and the multiple second planetary gear phase
Even；
The first clutch is arranged between first sun gear and the transmission shaft, the second clutch setting
Between second sun gear and the transmission shaft, the third clutch is arranged in second planet carrier/gear ring and institute
It states between transmission shaft, the first planet carrier/gear ring couples with wheel drive；
First brake is connected with first sun gear, the second brake and the second sun gear phase
Even；
The battery is the first motor, second motor provides electric energy, and the first motor and described second
Motor parallel connection.
Optionally, the single planetary row includes multiple the third line star-wheels, third planet carrier, third sun gear and third tooth
Circle；
Each the third line star-wheel simultaneously with the outer knuckle-tooth of the third sun gear and the inner circle of the third gear ring
Tooth engagement, and multiple the third line star-wheels are rotatably arranged in the third planet carrier；
The third sun gear is connected with the first motor, and the third gear ring is connected with the engine, and described
The rotor of three planet carriers and second motor is integrated.
Optionally, the system also includes the first one-way clutch and the second one-way clutch；
First one-way clutch is arranged between the engine and the third gear ring, for preventing described start
The axis of machine inverts；
Second one-way clutch is arranged on second planet carrier/gear ring, for prevent second planet carrier/
Axis where gear ring inverts.
Optionally, the system also includes differential mechanisms；
The differential mechanism is arranged between the first planet carrier/gear ring and the wheel.
Optionally, the system also includes inverters；
One end of the inverter is electrically connected with the battery, the other end and the first motor in parallel and described second
Motor electrical connection.
Second aspect, the embodiment of the invention also provides application of the above-mentioned first aspect in Automobile drive, the systems
Application model include: pure electric drive mode, combination drive mode, engine direct drive mode, slide/Brake energy recovery mould
Formula.
Optionally, in the pure electric drive mode, engine and first motor do not work, first clutch closure, the
A closure in one brake or second brake, battery are the power supply of the second motor, pass through the second motor driven wheel
Rotation；
Alternatively, the engine and the first motor do not work, and the first clutch and third clutch closure, institute
Battery is stated as second motor power supply, passes through vehicle wheel rotation described in second motor driven；
Alternatively, the engine and the first motor do not work, the third clutch and the second brake are closed
It closes, the battery is second motor power supply, passes through vehicle wheel rotation described in second motor driven；
Alternatively, the engine and the first motor do not work, the second clutch and first brake are closed
It closes, the battery is second motor power supply, passes through vehicle wheel rotation described in second motor driven.
Optionally, in the combination drive mode, engine operation, battery is that first motor and the second motor are powered,
First clutch and the first arrester close drive vehicle by the engine, the first motor, second motor jointly
Wheel rotation.
Optionally, in the engine direct drive mode, engine operation, battery is first motor power supply, the first clutch
Device and the first arrester close drive vehicle wheel rotation by the engine and the first motor.
Optionally, it is described slide/Brake energy recovery mode in, generator and first motor do not work, the first clutch
Device and the first arrester close, the second motor of control open power generation mode, and wheel provides mechanical energy for second motor, described
Mechanical energy is converted electric energy by second motor, and stores in the battery.
The beneficial effect of technical solution provided in an embodiment of the present invention includes at least:
Hybrid power provided in an embodiment of the present invention with three engine, first motor and the second motor power sources drives
Dynamic system may be implemented pure electric drive mode, combination drive mode, engine direct and drive by being applied in Automobile drive
Mode and slide/various modes such as Brake energy recovery mode reduce energy consumption efficiently to utilize engine and battery.
Meanwhile pure electric drive mode is used in vehicle starting acceleration and low-speed stage, it is fast, low that motor response is not only utilized
The characteristic of fast large torque promotes dynamic property, moreover it is possible to avoid the energy loss of engine frequent start-stop, improve rate of economizing gasoline；In middling speed
And the intervention driving of high speed stage engine, the hybrid electric drive system may be implemented keep off speed ratios so that transmitter work always
Make to further increase rate of economizing gasoline in high efficient district.
Hybrid electric drive system provided in an embodiment of the present invention it is simple and compact for structure, set convenient for integrated on vehicle
Meter.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structure chart of hybrid electric drive system provided in an embodiment of the present invention；
Fig. 2 is a kind of hybrid electric drive system provided in an embodiment of the present invention gear driving under pure electric drive mode
Energy transmission schematic diagram；
Fig. 3 is that a kind of hybrid electric drive system provided in an embodiment of the present invention second gear under pure electric drive mode drives
Energy transmission schematic diagram；
Fig. 4 is a kind of hybrid electric drive system provided in an embodiment of the present invention three gear driving under pure electric drive mode
Energy transmission schematic diagram；
Fig. 5 is a kind of hybrid electric drive system provided in an embodiment of the present invention four gear driving under pure electric drive mode
Energy transmission schematic diagram；
Fig. 6 is that a kind of hybrid electric drive system provided in an embodiment of the present invention reverses gear driving under pure electric drive mode
Energy transmission schematic diagram；
Fig. 7 is a kind of hybrid electric drive system provided in an embodiment of the present invention gear driving under combination drive mode
Energy transmission schematic diagram；
Fig. 8 is a kind of hybrid electric drive system provided in an embodiment of the present invention gear driving under engine direct drive mode
Energy transmission schematic diagram；
Fig. 9 be a kind of hybrid electric drive system provided in an embodiment of the present invention slide/Brake energy recovery mode under
Energy transmission schematic diagram.
Appended drawing reference in figure respectively indicates are as follows:
1- engine,
2- single planetary row, 21- the third line star-wheel, 22- third planet carrier, 23- third sun gear, 24- third gear ring,
3- double planet wheel rows of mixing, the first sun gear of 31-, the second sun gear of 32-, 33- first planet carrier/gear ring, the second planet of 34-
Frame/gear ring, the first planetary gear of 35-, the second planetary gear of 36-,
4- transmission shaft,
5- first motor,
The second motor of 6-,
The first brake of 7-,
8- second brake,
9- first clutch,
10- second clutch,
11- third clutch,
12- battery,
13- wheel,
The first one-way clutch of 14-,
The second one-way clutch of 15-,
16- differential mechanism,
17- inverter.
Specific embodiment
Unless otherwise defined, all technical terms used in the embodiment of the present invention all have usual with those skilled in the art
The identical meaning understood.
To keep technical solution of the present invention and advantage clearer, below in conjunction with attached drawing to embodiment of the present invention make into
One step it is described in detail.
The embodiment of the invention provides a kind of hybrid electric drive system, structure chart is as shown in Figure 1, the system includes:
Engine 1, single planetary row 2, double planet wheel rows of mixing 3, transmission shaft 4, first motor 5, the second motor 6, the braking of the first brake 7, second
Device 8, first clutch 9, second clutch 10, third clutch 11 and battery 12.
Wherein, single planetary row 2 is connected with engine 1, first motor 5 and the second motor 6 respectively, the second motor 6 and transmission
Axis 4 is connected.
Double planet wheel rows of mixing 3 include the first sun gear 31, the second sun gear 32, first planet carrier/gear ring 33, the second planet carrier/
Gear ring 34, multiple first planetary gears 35 and multiple second planetary gears 36；Each first planetary gear 35 simultaneously with the first sun gear 31
Outer knuckle-tooth and first planet carrier/gear ring 33 in gear ring inner circle tooth engagement, and multiple first planetary gears 35 are rotationally set
It sets on the planet carrier of first planet carrier/gear ring 33；Each second planetary gear 36 simultaneously with the outer knuckle-tooth of the second sun gear 32 with
And the inner circle tooth engagement of the middle gear ring of the second planet carrier/gear ring 34, and multiple second planetary gears 36 are rotatably arranged in second
On planet carrier/gear ring 34；First planet carrier/gear ring 33 is connected with multiple second planetary gears 36；
It is understood that first planet carrier/gear ring 33 includes planet carrier and gear ring, the first planet is formed after the two connection
Frame/gear ring 33；Similarly, the second planet carrier/gear ring page 34 include planet carrier and gear ring, form the second planet after the two connection
Frame/gear ring 34, it is therefore an objective to which four transmission ratios are realized by double planet wheel rows of mixing 3.
First clutch 9 is arranged between the first sun gear 31 and transmission shaft 4, and second clutch 10 is arranged in second sun
Between wheel 32 and transmission shaft 4, third clutch 11 is arranged between the second planet carrier/gear ring 34 and transmission shaft 4, the first planet
Frame/gear ring 33 and 13 driving coupling of wheel.
First brake 7 is connected with the first sun gear 31, and second brake 8 is connected with the second sun gear 32.
Battery 12 is first motor 5, the second motor 6 provides electric energy, and first motor 5 and the second motor 6 are connected in parallel.
It should be noted that battery 12 be can charge-discharge battery, can be power battery pack.
It can be with it will be appreciated by persons skilled in the art that different components is connected/braked by clutch/brake
It is combined into different rotation ratios, to meet the traveling demand of wheel.
Application principle of the hybrid electric drive system provided in an embodiment of the present invention in Automobile drive are as follows:
Pure electric drive mode, combination drive mode, engine direct may be implemented in application in the hybrid electric drive system
Drive mode slides/four kinds of modes of Brake energy recovery mode.
It will be appreciated by persons skilled in the art that being controlled by the way that control module in the car or control assembly is arranged
The working condition of engine 1 processed, first motor 5 and the second motor 6；It connects/brakes by controlling each clutch/brake
Different components can be combined into different rotation ratios.
In pure electric drive mode, engine 1 and first motor 5 do not work, and first clutch 9 and the first brake 7 close
It closes, battery 12 is the power supply of the second motor 6, and power is sequentially transferred to transmission shaft 4, first clutch 9, first too by the second motor 6
The 31, first planetary gear 35 of sun wheel, first planet carrier/gear ring 33 and wheel 13, to drive wheel 13 to rotate, as shown in Figure 2；
Alternatively, engine 1 and first motor 5 do not work, first clutch 9 and second brake 8 are closed, and battery 12 is the
The power supply of two motors 6, it is that power is sequentially transferred to transmission that power is divided to two paths to be transferred to wheel 13: one by the second motor 6
Axis 4, first clutch 9, the first sun gear 31, the first planetary gear 35, first planet carrier/gear ring 33 and wheel 13；Another is
By by power from transmission shaft 4, first clutch 9, the first sun gear 31, the first planetary gear 35, first planet carrier/gear ring 33
Afterwards, power is transferred to the second planetary gear 36, the second planet carrier/gear ring 34, then is transferred to the first planetary gear 35, the first planet
Frame/gear ring 33 and wheel 13, to drive wheel 13 to rotate, as shown in Figure 3；
Alternatively, engine 1 and first motor 5 do not work, first clutch 9 and third clutch 11 are closed, at this point, duplicate rows
Relative motion in star row 3 is lockable, and entire double planet wheel rows of mixing 3 is run as a whole, and battery 12 is the power supply of the second motor 6,
Power is sequentially transferred to transmission shaft 4, the first planetary gear 35, first planet carrier/gear ring 33 and wheel 13 by the second motor 6, to drive
Motor car wheel 13 rotates, as shown in Figure 4；
Alternatively, engine 1 and first motor 5 do not work, third clutch 11 and second brake 8 are closed, and battery 12 is
Power is sequentially transferred to transmission shaft 4, third clutch 11, the second planet carrier/gear ring by the power supply of the second motor 6, the second motor 6
34, the second planetary gear 36, first planet carrier/gear ring 33 and wheel 13, to drive wheel 13 to rotate, as shown in Figure 5；
Alternatively, engine 1 and first motor 5 do not work, second clutch 10 and the first brake 7 closure, battery 12 are
Power is sequentially transferred to transmission shaft 4, second clutch 10, the second sun gear 32, second by the power supply of the second motor 6, the second motor 6
Planetary gear 36, first planet carrier/gear ring 33 realize commutation, to drive wheel 13 to rotate, as shown in Figure 6.
In combination drive mode, engine 1 works, and battery 12 is that first motor 5 and the second motor 6 are powered, first from
The torque of clutch 9 and the first brake 7 closure, engine 1 can be transmitted to transmission shaft 4, first motor 5 by single planetary row 2
Power can be also passed into transmission shaft 4 by single planetary row 2, the power of the second motor 6 can be electric with first at transmission shaft 4
The power of machine 5 combines and the torque couple of engine 1, and the power after triplicity is using first clutch 9, first sun
The 31, first planetary gear 35, first planet carrier/gear ring 33 and wheel 13 are taken turns, to drive wheel 13 to rotate, realizes that three power sources are total
With driving vehicle driving, as shown in Figure 7.
In engine direct drive mode, engine 1 works, and battery 12 is that first motor 5 is powered, first clutch 9 and the
The torque of one brake 7 closure, engine 1 can be transmitted to transmission shaft 4 by single planetary row 2, and first motor 5 passes through uniline star
Also pass to transmission shaft 4 after row 2, the power that the two combines by after transmission axle 4 using first clutch 9, the first sun gear
31, the first planetary gear 35, first planet carrier/gear ring 33 and wheel 13 realize that two power sources are common to drive wheel 13 to rotate
Vehicle driving is driven, as shown in Figure 8.
Slide/Brake energy recovery mode in, generator 1 and first motor 5 do not work, first clutch 9 and first
Brake 7 is closed, and the second motor 6 of control opens power generation mode, and vehicle kinetic energy passes through wheel 13, first planet carrier/gear ring 33, the
One planetary gear 35, the first sun gear 31, first clutch 9 and transmission shaft 4 are transmitted at the second motor 6, driving the second motor 6 hair
Electricity, electric energy are stored in battery 12, realize energy regenerating.
Hybrid electric drive system provided in an embodiment of the present invention, is applied in Automobile drive, and pure electricity may be implemented
Drive mode, combination drive mode, engine direct, which drive, mode and slides the/various modes such as Brake energy recovery mode, with height
Effect utilizes engine 1 and battery 12, reduces energy consumption.Meanwhile pure electric drive mode is used in vehicle starting acceleration and low-speed stage,
Motor is not only utilized and responds fast, low-speed big characteristic, promotes dynamic property, moreover it is possible to avoid the energy of engine frequent start-stop
Loss improves rate of economizing gasoline；Keep off may be implemented in middling speed and the intervention driving of high speed stage engine, the hybrid electric drive system more
Speed ratio further increases rate of economizing gasoline so that transmitter always works at high efficient district.Hybrid power provided in an embodiment of the present invention drives
Dynamic system it is simple and compact for structure, convenient for the Integrated design on vehicle.
In the hybrid electric drive system, by using single planetary row 2 and engine 1, first motor 5 and the second motor
6 cooperate, and are easy to implement multiple power sources and drive vehicle driving jointly.
Wherein, in structure setting, single planetary row 2 includes multiple the third line star-wheels 21, third planet carrier 22, the third sun
Wheel 23 and third gear ring 24；Each the third line star-wheel 21 is simultaneously and in the outer knuckle-tooth and third gear ring 24 of third sun gear 23
Knuckle-tooth engagement, and multiple the third line star-wheels 21 are rotatably arranged in third planet carrier 22；Third sun gear 23 and the first electricity
Machine 5 is connected, and third gear ring 24 is connected with engine 1, and the rotor of third planet carrier 22 and the second motor 6 is integrated.
By matching three power sources, switch different gears according to duty requirements, the torque that can reduce each power source is wanted
It asks, while each power source is more worked in high efficient district.
When in use, axis inverts engine 1 in order to prevent, so that engine 1 inverts, the present invention is real
Apply the hybrid electric drive system of example further include: the first one-way clutch 14, as shown in Figure 1.
Wherein, the first one-way clutch 14 is arranged between engine 1 and third gear ring 24, and is fixed on the shell of vehicle
On, for preventing the axis of engine 1 from inverting.
Similarly, the axis in order to prevent where the second planet carrier/gear 34 inverts, and the mixing of the embodiment of the present invention is dynamic
Power-driven system further include: the second one-way clutch 15, as shown in Figure 1.
Wherein, the second one-way clutch 15 is arranged on the second planet carrier/gear ring 34, for preventing the second planet carrier/tooth
Axis where circle 34 inverts.
In order to rotate left and right (or forward and backward) driving wheel realization with different rotating speeds each other, the embodiment of the present invention
Hybrid electric drive system further include: differential mechanism 16.
Wherein, differential mechanism 16 is arranged between first planet carrier/gear ring 33 and wheel 13.
Make first motor 5 and the second motor 6 just for alternating current to first motor 5 and the second motor 6 for the ease of battery 12
Often work, as shown in Figure 1, hybrid electric drive system provided in an embodiment of the present invention further include: inverter 17；
One end of inverter 17 can be electrically connected by cable with battery 12, the other end and first motor 5 in parallel and
The electrical connection of two motors 6.
Meanwhile inverter 17 is set and is also convenient for the alternating current that first motor 5 and the second motor 6 provide being changed into direct current
It is stored in battery 12.
The embodiment of the invention also provides application of the above-mentioned hybrid electric drive system in Automobile drive, which is answered
Include: pure electric drive mode with mode, combination drive mode, engine direct drive mode, slide/Brake energy recovery mode.
The hybrid electric drive system is applied in Automobile drive, by the mating reaction of above-mentioned various modes, with height
Effect utilizes engine 1 and battery 12, reduces energy consumption, and can realize multiple gear ratios, can large-scale promotion application.
The application with regard to hybrid electric drive system provided in an embodiment of the present invention in Automobile drive is given below retouches in detail
It states bright:
No matter it will be appreciated by persons skilled in the art that being driven in pure electric drive mode, combination drive mode, engine direct
Mode, slide/Brake energy recovery mode under, can there are multiple gears to be adjusted.
The rotation of motor driven wheel 13 is namely used only in pure electric drive mode, we can limit motor as second here
Motor 6.
When vehicle operating modes are the gear drive mode under pure electric drive mode, as shown in Fig. 2, 1 He of engine
First motor 5 does not work, and the first one-way clutch 14 closure is with for preventing engine 1 from inverting, first clutch 9 and the
One brake 7 closure, remaining clutch, brake and one-way clutch do not work, cutting engine 1, first motor 5 with
Power transmitting between wheel 13 is that the second motor 6 is powered by battery 12, so that the second motor 6 drives vehicle driving.
Wherein, battery 12 discharges, and drives the second motor 6 main after direct current is converted to three-phase alternating current by inverter 17
Axis rotation, the second motor 6 convert electrical energy into mechanical energy sequentially through transmission shaft 4, first clutch 9, the first sun gear 31, the
One planetary gear 35, first planet carrier/gear ring 33 and differential mechanism 16, pass to wheel 13, to drive wheel 13 to rotate, realize second
Motor 6 is operated alone vehicle one and keeps off driving mode.
When vehicle operating modes are the second gear drive mode under pure electric drive mode, as shown in figure 3,1 He of engine
First motor 5 does not work, and the first one-way clutch 14 closure is with for preventing engine 1 from inverting, first clutch 9 and the
Two brakes 8 closure, remaining clutch, brake and one-way clutch do not work, and battery 12 is the power supply of the second motor 6,
The power cut off between engine 1, first motor 5 and wheel 13 transmits, and is that the second motor 6 is powered by battery 12, so that second
Motor 6 drives vehicle driving.
Wherein, battery 12 discharges, and drives the second motor 6 main after direct current is converted to three-phase alternating current by inverter 17
Axis rotation, the second motor 6 can convert electrical energy into mechanical energy and two paths are divided to be transmitted: one is sequentially to transmit power
To transmission shaft 4, first clutch 9, the first sun gear 31, the first planetary gear 35, first planet carrier/gear ring 33；Another be through
It crosses by power after transmission shaft 4, first clutch 9, the first sun gear 31, the first planetary gear 35, first planet carrier/gear ring 33,
Power is transferred to the second planetary gear 36, the second planet carrier/gear ring 34, then is transferred to the first planetary gear 35, first planet carrier/tooth
Circle 33 reduces speed ratio on the basis of a gear at this point, being equivalent to.Finally, two paths pass through first planet carrier/gear ring 33
Differential mechanism 16 is passed to, differential mechanism 16 passes to wheel 13, to drive wheel 13 to rotate, realizes that vehicle is operated alone in the second motor 6
Second gear driving mode.
When vehicle operating modes are the three gear drive mode under pure electric drive mode, as shown in figure 4,1 He of engine
First motor 5 does not work, and the first one-way clutch 14 closure is with for preventing engine 1 from inverting, first clutch 9 and the
Three clutches 11 closure, at this point, the relative motion in double planet wheel rows of mixing 3 is lockable, entire double planet wheel rows of mixing 3 is transported as a whole
Row, remaining clutch, brake and one-way clutch do not work, between cutting engine 1, first motor 5 and wheel 13
Power transmitting, by battery 12 be the second motor 6 power so that the second motor 6 drive vehicle driving.
Wherein, battery 12 discharges, and drives the second motor 6 main after direct current is converted to three-phase alternating current by inverter 17
Axis rotation, the second motor 6 convert electrical energy into mechanical energy sequentially through transmission shaft 4, the first planetary gear 35, first planet carrier/tooth
Circle 33 and differential mechanism 16, pass to wheel 13, to drive wheel 13 to rotate, realize that the gear row of vehicle three is operated alone in the second motor 6
Sail mode.
When vehicle operating modes are the four gear drive mode under pure electric drive mode, as shown in figure 5,1 He of engine
First motor 5 does not work, and the first one-way clutch 14 closure is to be used to prevent engine 1 from inverting, 11 He of third clutch
Second brake 8 is closed, remaining clutch, brake and one-way clutch do not work, cuts off engine 1, first motor 5
Power transmitting between wheel 13 is that the second motor 6 is powered by battery 12, so that the second motor 6 drives vehicle driving.
Wherein, battery 12 discharges, and drives the second motor 6 main after direct current is converted to three-phase alternating current by inverter 17
Axis rotation, the second motor 6 convert electrical energy into mechanical energy sequentially through transmission shaft 4, third clutch 11, the second planet carrier/tooth
The 34, second planetary gear 36, first planet carrier/gear ring 33 and differential mechanism 16 are enclosed, wheel 13 is passed to, to drive wheel 13 to rotate,
Realize that the second motor 6 is operated alone vehicle four and keeps off driving mode.
Based on above-mentioned four kinds of gear modes, it is to be understood that driving of reversing gear also may be implemented under pure electric drive mode
Mode, to adapt to driver to the different demands of vehicle.Wherein, the second motor 6 both can be rotated forward or be inverted, to realize
It moves ahead and moves backward.
When vehicle operating modes be under pure electric drive mode reverse gear drive mode when, as shown in fig. 6,1 He of engine
First motor 5 does not work, and the first one-way clutch 14 closure is to be used to prevent engine 1 from inverting, 10 He of second clutch
First brake 7 closure, remaining clutch, brake and one-way clutch do not work, cut off engine 1, first motor 5
Power transmitting between wheel 13 is that the second motor 6 is powered by battery 12, so that the second motor 6 drives vehicle driving.
Wherein, battery 12 discharges, and drives the second motor 6 main after direct current is converted to three-phase alternating current by inverter 17
Axis rotation, the second motor 6 convert electrical energy into mechanical energy sequentially through transmission shaft 4, second clutch 10, the second sun gear 32,
Second planetary gear 36, first planet carrier/gear ring 33 realize commutation, pass to wheel 13 using differential mechanism 16, realize the second electricity
Machine 6 is operated alone vehicle and reverses gear driving mode.
Above-mentioned pure electric drive mode can be applicable to vehicle starting and accelerate and low-speed stage, be not only utilized motor response it is fast,
The characteristic of low-speed big promotes dynamic property, moreover it is possible to avoid the energy loss of 1 frequent start-stop of engine, improve rate of economizing gasoline.
Combination drive mode passes through engine 1, first motor 5 and the second motor 6, and driving wheel 13 rotates jointly.
Since combination drive mode is to carry out under three power source collective effects, thus can export biggish function
Rate improves vehicle dynamic property.Simultaneously as third sun gear 23 is connected with first motor 5 in connection relationship, third gear ring 24
It is connected with engine 1, the rotor of third planet carrier 22 and the second motor 6 is integrated, is determined by the characteristic of single planetary row 2, and three dynamic
The revolving speed in power source can be adjusted at any time, guarantee that power source operates in high efficiency range.In order to realize that the revolving speed at transmission shaft 4 is wanted
It asks, three power sources can have infinite combinations, i.e., so-called E-CVT in certain range of speeds.The prior art is in difference
If speed section to guarantee that three power sources work in higher efficiency range, the single planetary row structure having by it can not be real
It is existing thus of the existing technology in order to solve the problems, such as, double planet wheel rows of mixing 3 is increased, on the basis of existing structure to guarantee three
A power source works in different speed sections in high efficient district.
Since gear is more, thus following the case where only describing a gear drive mode, other gears are similar to above-mentioned pure electric vehicle
Five gears under drive mode (4 forward gear+1 reverses gear).
Specifically, by taking vehicle operating modes are when the one of combination drive mode keeps off drive mode as an example, as shown in fig. 7,
The state of each actuator are as follows: engine 1 works, and battery 12 is that first motor 5 and the second motor 6 are powered, first clutch 9 and the
One brake 7 closure, remaining clutch, brake and one-way clutch do not work, by engine 1, first motor 5 and second
Motor 6 drives vehicle driving jointly.
Wherein, battery 12 discharges, and drives the second motor 6 main after direct current is converted to three-phase alternating current by inverter 17
Axis rotation, first motor 5 can be in power generation or motoring condition according to speed and the demand of torque.The torque of engine 1 passes through
Third gear ring 24, the third line star-wheel 21 are transferred to third planet carrier 22, since third planet carrier 22 and the rotor of the second motor 6 are rigid
Property connection, here can with the second motor 6 provide torque couple, by three power sources provide energy by transmission shaft 4,
First clutch 9, the first sun gear 31, the first planetary gear 35, first planet carrier/gear ring 33 and differential mechanism 16, pass to wheel
13, to drive wheel 13 to rotate, realize that three power sources drive vehicle one to keep off driving mode jointly.
Under a gear state of the mode, engine 1 and first motor 5 can be with stepless time adjustments, so that the work always of engine 1
Make to achieve the effect that energy-saving and emission-reduction, while dynamic property is also improved in high efficiency range.
Same principle, under combination drive mode two, three, four gear drive mode when, by stepless time adjustment, can also protect
Card engine 1 operates in high efficiency range, has achieved the purpose that vehicle can guarantee 1 efficient operation of engine in full speed section, keep off more
Also ensure the dynamic property of vehicle.
Engine direct drives mode, that is, engine 1 and first motor 5 work, and the second motor 6 does not work, by engine 1
Power drive vehicle start is provided and traveling, first motor 5 operate in power generation or electric model according to speed and torque demand.
It is similar with combination drive mode, since gear is more, engine direct is also only described below and drives the gear driving mould of mode one
The case where formula, other gears are similar to five gears under above-mentioned pure electric vehicle drive mode (4 forward gear+1 reverses gear).
Specifically, by taking vehicle operating modes are when engine direct drives a gear drive mode of mode as an example, such as Fig. 8 institute
Show, the state of each actuator are as follows: engine 1 works, and battery 12 is the power supply of first motor 5, first clutch 9 and the first brake
7 closures, remaining clutch, brake and one-way clutch do not work, drive vehicle jointly by engine 1 and first motor 5
Traveling.
Wherein, battery 12 discharges, and drives first motor 5 main after direct current is converted to three-phase alternating current by inverter 17
Axis rotation, first motor 5 are in power generation or motoring condition according to speed and torque demand.The torque of engine 1 passes through third tooth
Circle 24, the third line star-wheel 21 are transferred to third planet carrier 22, then through transmission shaft 4, first clutch 9, the first sun gear 31, first
Planetary gear 35, first planet carrier/gear ring 33 and differential mechanism 16, pass to wheel 13, to drive wheel 13 to rotate, realize that two are moved
Power source drives vehicle driving jointly.
Under a gear state of the mode, engine 1 and first motor 5 can be with stepless time adjustments, so that the work always of engine 1
Make to achieve the effect that energy-saving and emission-reduction, while dynamic property is also improved in high efficiency range.
Same principle, under combination drive mode two, three, four gear drive mode when, by stepless time adjustment, can also protect
Card engine 1 operates in high efficiency range, has achieved the purpose that vehicle can guarantee 1 efficient operation of engine in full speed section, keep off more
Also ensure the dynamic property of vehicle.
Further, when 12 electricity of battery is low, first motor 5 operates in generating state, can charge for battery 12.By
In the setting of double planet wheel rows of mixing 3, when first motor 5 is in generating state, it also can guarantee that engine 1 operates in high efficiency range.
Slide/Brake energy recovery mode, i.e. vehicle sliding or when braking, dynamical system can give vehicle to provide opposite force
The part kinetic energy of vehicle is converted to electric energy via the second motor 6, is deposited into spare in battery 12 by square.
It is similar with combination drive mode and engine direct drive mode, since gear is more, also only describe to drive in a gear below
Situation under dynamic model formula, other gears are similar to five gears under above-mentioned pure electric vehicle drive mode (4 forward gear+1 reverses gear).
Specifically, by vehicle operating modes be one gear drive mode when slide/Brake energy recovery for, such as Fig. 9 institute
To show, generator 1 and first motor 5 do not work, and the first one-way clutch 14 is closed to be used to prevent engine 1 from inverting, the
One clutch 9 and the first brake 7 closure, remaining clutch, brake and one-way clutch do not work.
Slide or damped condition under, control the second motor 6 open power generation mode, vehicle kinetic energy pass through wheel 13, differential
Device 16, first planet carrier/gear ring 33, the first planetary gear 35, the first sun gear 31, first clutch 9 and transmission shaft 4 are transferred to
Three planet carriers 22, the second motor 6 of driving generate electricity, and electric energy is stored in battery 12 by inverter 17, realizes the second motor 6
In the energy recovery function of a gear.
Above only describes vehicle be in one gear when energy regenerating when energy stream transmitting, remaining two, three, four gear under
Energy regenerating can be obtained with respective class ratio.
In the present invention, term " first ", " second " and " third " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.Term " multiple " refers to two or more, unless otherwise restricted clearly.
The above is merely for convenience of it will be understood by those skilled in the art that technical solution of the present invention, not to limit
The present invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of hybrid electric drive system, which is characterized in that the system comprises: engine (1), single planetary row (2), duplicate rows
Star arrange (3), transmission shaft (4), first motor (5), the second motor (6), the first brake (7), second brake (8), first from
Clutch (9), second clutch (10), third clutch (11) and battery (12)；
The single planetary row (2) is connected with the engine (1), the first motor (5) and second motor (6) respectively,
Second motor (6) is connected with the transmission shaft (4)；
The double planet wheel rows of mixing (3) includes the first sun gear (31), the second sun gear (32), first planet carrier/gear ring (33), second
Planet carrier/gear ring (34), multiple first planetary gears (35) and multiple second planetary gears (36)；Each first planetary gear (35)
It is nibbled simultaneously with the internal-round gear of gear ring in the outer knuckle-tooth and the first planet carrier/gear ring (33) of first sun gear (31)
It closes, and multiple first planetary gears (35) are rotatably arranged on the planet carrier of the first planet carrier/gear ring (33)；Often
A second planetary gear (36) outer knuckle-tooth and second planet carrier/gear ring with second sun gear (32) simultaneously
(34) the inner circle tooth engagement of gear ring in, and multiple second planetary gears (36) be rotatably arranged in second planet carrier/
On the planet carrier of gear ring (34)；First planet carrier/the gear ring (33) is connected with the multiple second planetary gear (36)；
The first clutch (9) is arranged between first sun gear (31) and the transmission shaft (4), second clutch
Device (10) is arranged between second sun gear (32) and the transmission shaft (4), and the third clutch (11) is arranged in institute
It states between the second planet carrier/gear ring (34) and the transmission shaft (4), the first planet carrier/gear ring (33) and wheel (13) pass
Dynamic connection；
First brake (7) is connected with first sun gear (31), the second brake (8) and second sun
(32) are taken turns to be connected；
The battery (12) be the first motor (5), second motor (6) provide electric energy, and the first motor (5) and
Second motor (6) is connected in parallel.
2. hybrid electric drive system according to claim 1, which is characterized in that the single planetary row (2) includes multiple
The third line star-wheel (21), third planet carrier (22), third sun gear (23) and third gear ring (24)；
Each the third line star-wheel (21) outer knuckle-tooth and the third gear ring with the third sun gear (23) simultaneously
(24) inner circle tooth engagement, and multiple the third line star-wheels (21) are rotatably arranged on the third planet carrier (22)；
The third sun gear (23) is connected with the first motor (5), the third gear ring (24) and the engine (1) phase
Even, the rotor of the third planet carrier (22) and second motor (6) is integrated.
3. hybrid electric drive system according to claim 2, which is characterized in that the system also includes: first is unidirectional
Clutch (14) and the second one-way clutch (15)；
First one-way clutch (14) is arranged between the engine (1) and the third gear ring (24), for preventing
The axis of the engine (1) inverts；
Second one-way clutch (15) is arranged on second planet carrier/gear ring (34), for preventing second row
Axis where carrier/gear ring (34) inverts.
4. hybrid electric drive system according to claim 1, which is characterized in that the system also includes: differential mechanism
(16)；
The differential mechanism (16) is arranged between the first planet carrier/gear ring (33) and the wheel (13).
5. hybrid electric drive system according to claim 1, which is characterized in that the system also includes: inverter
(17)；
One end of the inverter (17) is electrically connected with the battery (12), the other end and the first motor (5) in parallel and
Second motor (6) electrical connection.
6. application of the described in any item hybrid electric drive systems of claim 1-5 in Automobile drive, which is characterized in that institute
Systematic difference mode is stated to include: pure electric drive mode, combination drive mode, engine direct drive mode, slide/braking energy time
Receipts mode.
7. application of the hybrid electric drive system according to claim 6 in Automobile drive, which is characterized in that described
In pure electric drive mode, engine (1) and first motor (5) do not work, first clutch (9) closure, the first brake (7) or
A closure in second brake (8), battery (12) are the second motor (6) power supply, drive vehicle by second motor (6)
Take turns (13) rotation；
Alternatively, the engine (1) and the first motor (5) do not work, the first clutch (9) and third clutch
(11) it is closed, the battery (12) is second motor (6) power supply, drives the wheel by second motor (6)
(13) it rotates；
Alternatively, the engine (1) and the first motor (5) do not work, the third clutch (11) and second system
Dynamic device (8) closure, the battery (12) are second motor (6) power supply, drive the wheel by second motor (6)
(13) it rotates；
Alternatively, the engine (1) and the first motor (5) do not work, the second clutch (10) and first system
Dynamic device (7) closure, the battery (12) are second motor (6) power supply, drive the wheel by second motor (6)
(13) it rotates.
8. application of the hybrid electric drive system according to claim 6 in Automobile drive, which is characterized in that described
In combination drive mode, engine (1) work, battery (12) is first motor (5) and the second motor (6) is powered, the first clutch
Device (9) and the first brake (7) closure, altogether by the engine (1), the first motor (5), second motor (6)
With driving wheel (13) rotation.
9. application of the hybrid electric drive system according to claim 6 in Automobile drive, which is characterized in that described
In engine direct drive mode, engine (1) work, battery (12) is first motor (5) power supply, first clutch (9) and first
Brake (7) closure passes through the engine (1) and the first motor (5) driving wheel (13) rotation.
10. application of the hybrid electric drive system according to claim 6 in Automobile drive, which is characterized in that in institute
State slide/Brake energy recovery mode in, generator (1) and first motor (5) do not work, first clutch (9) and first system
Power generation mode is opened in dynamic device (7) closure, control the second motor (6), and wheel (13) is that second motor (6) provides mechanical energy,
Mechanical energy is converted electric energy by second motor (6), and is stored in battery (12).
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Application publication date: 20190927 |
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