CN108859729A - A kind of single motor hybrid automobile power Multiple modes coupling power drive system - Google Patents
A kind of single motor hybrid automobile power Multiple modes coupling power drive system Download PDFInfo
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- CN108859729A CN108859729A CN201810689364.3A CN201810689364A CN108859729A CN 108859729 A CN108859729 A CN 108859729A CN 201810689364 A CN201810689364 A CN 201810689364A CN 108859729 A CN108859729 A CN 108859729A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to a kind of single motor hybrid automobile power Multiple modes coupling power drive systems, belong to new-energy automobile power assembly component technology field, including engine, motor, two sets of planetary gear mechanisms, two clutches, two brakes, several gears and transmission shaft, main reducing gear and differential assembly etc..The coupled modes for changing motor and engine whether engagement that the present invention passes through two clutches of control and two brakes, to realize that motor is coupled with engine speed, motor is coupled with motor torque, it solves the problems, such as engine low load low efficiency, and reduces the loss of system path transfer efficiency.
Description
Technical field
The invention belongs to new-energy automobile power assembly component technology fields, are related to the driving of electricity, hydraulic hybrid type power system
With brake apparatus, and in particular to a kind of single motor hybrid automobile power Multiple modes coupling power drive system.
Background technique
The advantages that new-energy automobile is with its low consumption, low pollution, becomes the important directions of current development of automobile.Wherein pure electricity
The disadvantages of electrical automobile is limited to battery technology bottleneck, and course continuation mileage is short, vehicle manufacture is at high cost is that pure electric automobile cannot be extensive
Using the main reason for.And transition vehicle of the hybrid vehicle as conventional fuel oil automobile and pure electric automobile, have both tradition
Fuel-engined vehicle and pure electric automobile certain advantages.Compared to conventional fuel oil automobile, Fuel Economy for Hybrid Electric Vehicles is shown
It writes and is promoted, disposal of pollutants significantly reduces, and the automaker of mainstream has carried out the research and development and manufacture of hybrid vehicle.
At present in hybrid power system, single motor adds hybrid power system of the engine as power source, and there are engines
The problems such as efficiency is low when underload, energy-saving effect are relatively limited.And bi-motor adds hybrid power system of the engine as power source
The problems such as system, it is more that there are power sources, at high cost, and control is complicated, is not easy to practice.
Application No. is 201720789572.1 Chinese patents to provide a kind of hybrid power coupled system of automobile, the vapour
Vehicle hybrid power coupled system includes at least two clutches and transmission device identical with clutch quantity.It is different by closure
Clutch may be implemented smooth shift, and electronic cutting with mixed dynamic model formula is realized by control clutch whether disconnection
It changes.Program structure is compact to design, and shift process is simple and fast；But engine speed decoupling is not implemented in the program, and uses
Bi-motor, power source is more, at high cost.
Application No. is the Chinese patents of CN201711127609.5 to provide a kind of hybrid power coupled system of automobile, should
Automobile hybrid power coupled system includes an axis, two axis, main reducing gear, clutch, engine and motor；Engine passes through clutch
Device couples with an axis.The configuration is simple, and a variety of torque coupling modes may be implemented, reduce oil consumption and row to a certain extent
It puts.But when system is in underload, the operation interval of engine can not be adjusted by electric machine speed regulation, so that engine efficiency is low
Under, influence the economic performance of whole system.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of single motor hybrid automobile power Multiple modes coupling powertrain
System, can be improved the efficiency and system path energy conversion rate when engine low load, and promote hybrid power system
Economy.
In order to achieve the above objectives, the present invention provides the following technical solutions：
A kind of single motor hybrid automobile power Multiple modes coupling power drive system provided by the invention, including engine,
One planetary gear mechanism, the second planetary gear mechanism, motor, main reducing gear and differential assembly, first planetary gear mechanism by
First gear ring, the first planetary gear, first planet carrier, the first sun gear composition, the second planetary gear mechanism is by the second gear ring, second
Planetary gear, the second planet carrier, the second sun gear composition, engine output shaft is sequentially connected with second driving shaft respectively and third passes
Moving axis；Motor output shaft and first planet carrier are sequentially connected；The one end for the first sun wheel shaft being arranged on first sun gear and master
Retarder and differential assembly transmission connection, the other end and the second planet carrier are sequentially connected；Second be arranged on second sun gear
One end of sun wheel shaft and the first gear ring are sequentially connected, and the other end is connected with third transmission shaft by second clutch；Second tooth
Circle is sequentially connected with the first transmission shaft, and the first transmission shaft is connected with second driving shaft by first clutch, on the first transmission shaft
Equipped with the first brake；Second sun wheel shaft is equipped with second brake.
Further, it is coaxially arranged with the 9th gear, the 5th respectively on first gear ring, the second gear ring and the second planet carrier
Gear, the 6th gear；First sun wheel shaft is in one end setting the tenth with main reducing gear and differential assembly transmission connection
The 7th gear with the 6th gear engaged transmission is arranged in the one end being sequentially connected with the second planet carrier in gear；Described second too
Positive wheel shaft is in one end setting and the eighth gear of the 9th gear engaged transmission being sequentially connected with the first gear ring；First transmission
Axis is in one end setting and the 4th gear of the 5th gear engaged transmission being sequentially connected with the second gear ring；The engine output end
Equipped with first gear, the second driving shaft is equipped with the second tooth with first gear engaged transmission away from one end of first clutch
Wheel, the third transmission shaft are equipped with the third gear with first gear engaged transmission away from one end of second clutch.
Further, the tenth gear, motor, the first sun gear, the 9th gear and the 7th gear are coaxial arrangement；Institute
Eighth gear, the 6th gear, the second sun gear, the 5th gear and the third gear stated are coaxial arrangement.
Further, first gear ring and the 9th gear, the first sun gear and the first sun wheel shaft, the second sun gear with
Second sun wheel shaft, the second planet carrier and the 6th gear, the second gear ring and the 5th gear, second gear and second driving shaft,
Three gears are respectively structure as a whole with third transmission shaft, the 4th gear with the first transmission shaft.
Further, the motor is electrically connected by inverter and power battery, and the power battery is electric vehicle
Battery.
Further, the locking part of first brake passes through spline and the first transmission axis connection；Second system
The locking part of dynamic device is connect by spline with the second sun wheel shaft.
Compared with prior art, the present invention its remarkable advantage is：The present invention passes through two clutches of control and two systems
The coupled modes for changing motor and engine whether the engagement of dynamic device, realize motor coupled with engine speed, motor with start
Machine torque coupling improves the accelerating ability of the system, solves the problems, such as engine low load low efficiency, and by using list
Electric machine mixed power system reduces the loss of system path transfer efficiency.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, connection with figures makees the present invention below excellent
The detailed description of choosing, wherein：
Fig. 1 is single motor hybrid automobile power Multiple modes coupling power drive system of the present invention；
Fig. 2 is the energy flow schematic diagram of revolving speed coupling work mode；
Fig. 3 is the energy flow schematic diagram of torque coupling operating mode；
Fig. 4 is the energy flow schematic diagram of EV1 operating mode；
Fig. 5 is the energy flow schematic diagram of EV2 operating mode；
Appended drawing reference：Power battery 1, inverter 2, the first gear ring 3, eighth gear 4, the 6th gear 5, the second planet carrier 6,
Second gear ring 7, the 4th gear 8, the first transmission shaft 9, the first brake 10, first clutch 11, second driving shaft 12, the second tooth
Wheel 13, first gear 14, engine 15, third gear 16, third transmission shaft 17, second clutch 18, second brake 19, the
Two sun wheel shafts 20, the 5th gear 21, the second sun gear 22, the second planetary gear 23, the 7th gear 24, the 9th gear 25, first
Planetary gear 26, first planet carrier 27, the first sun gear 28, the first sun wheel shaft 29, the tenth gear 30, main reducing gear and differential mechanism
Assembly 31, motor 32.
Specific embodiment
Below by connection with figures, a preferred embodiment of the present invention will be described in detail；It should be appreciated that preferred embodiment
Only for illustrating the present invention, rather than limiting the scope of protection of the present invention.
This implementation is substantially as described in Figure 1, single motor hybrid automobile power Multiple modes coupling power drive system, including engine
15, first planetary gear mechanism, the second planetary gear mechanism, the first brake 10, second brake 19, power battery 1, motor
32, main reducing gear and differential assembly 31, first planetary gear mechanism is by the first gear ring 3, the first planetary gear 26, first planet carrier
27, the first sun gear 28 forms, and the second planetary gear mechanism is by the second gear ring 7, the second planetary gear 23, the second planet carrier 6, second
Sun gear 22 forms, and engine 15 is connected with second gear 13, third gear 15 respectively by first gear 14, and second gear can
It is connected by first clutch 11 with the 4th gear 8, the second gear ring 7 engages the 4th gear 8, the second planet by the 5th gear 21
Frame 6 engages the 7th gear 24 by the 6th gear 5, and one end of the first sun gear 28 passes through the first sun wheel shaft 29 and the 7th gear
24 connections, the other end are connect by the first sun wheel shaft with the tenth gear 30, the tenth gear and main reducing gear and differential assembly
31 connections；Motor 32 is electrically connected by inverter 4 and power battery 1, and output shaft is connected with first planet carrier 27, the first tooth
Circle 3 is connect by the 9th gear 25 with eighth gear 4, and eighth gear is connected by the second sun wheel shaft 20 and the second sun gear 22
It connects, the second sun gear 22 is connect by second clutch 18 with third gear 16；On first transmission shaft 9, the 4th gear and first
The first brake 10 is equipped between clutch 11；In second sun wheel shaft 20, between the second sun gear 22 and second clutch 18
Equipped with second brake 19.Using the above scheme, the present invention by control two clutches and two brakes engagement with
The no coupled modes for changing motor and engine realize that motor is coupled with engine speed, motor is coupled with motor torque, is mentioned
The high accelerating ability of the system, solves the problems, such as engine low load low efficiency, and by using single motor hybrid power
System reduces the loss of system path transfer efficiency.
The locking part of the first brake 10 is connect by spline (not shown) with the first transmission shaft 9 in the present embodiment, fixed
Portion is connect by flange (not shown) with planetary gear mechanism shell；The locking part of second brake 19 passes through spline (not shown)
It is connect with the second sun wheel shaft 20, fixed part is connect by flange (not shown) with planetary gear mechanism shell.
The tenth gear 30, motor 32, the first sun gear 28, the 9th gear 25 and the 7th gear 24 in the present embodiment is coaxial
Setting, eighth gear 4, the 6th gear 5 and the second sun gear 22, the 5th gear 21, third gear 16 are coaxially disposed；First gear ring
3 and second sun gear 22 constant speed gear drive, the first sun gear and the second planet realized by the 9th gear 25, eighth gear 4
Frame realizes constant speed gear drive, the 21 constant speed gear drive of the 4th gear 8 and the 5th gear by the 6th gear 5, the 7th gear 24.
First gear 14 is respectively constant speed gear drive with second gear 13, third gear 16.
Power battery in the present embodiment is electromobile battery, such as lead-acid accumulator.
The first gear ring 3 and the 9th gear 25, the first sun gear 28 and the first sun wheel shaft 29, second in the present embodiment are too
Sun wheel 22 and the second sun wheel shaft 20, the second planet carrier 6 and the 6th gear 5, the second gear ring 7 and the 5th gear 21, second gear
13 are respectively integrated knot with second driving shaft 12, third gear 16 and third transmission shaft 17, the 4th gear 8 and the first transmission shaft 9
Structure, convenient for assembly, and stable structure is reliable.
In detail below illustrate the working principle of the invention, as described in Fig. 2-5, single motor electric car of the invention
Multiple modes coupling power drive system shares 4 kinds of operating modes, it can be achieved that the different drive form of motor, engine and motor speed
Coupling and torque coupling, executing agency's working condition is shown in Table 1 under each operating mode, wherein C1 is first clutch 11, C2
For second clutch 18, B1 is the first brake 10；B2 is second brake 19；Details are as follows for specific mode：
1 operating mode executive component subordinate list of table
(1) revolving speed coupled mode：I.e. motor couples common driving method with engine speed；Motor 32 and engine 15 are all
In driving condition.First clutch 11 engages, and second clutch 18, the first brake 10 and second brake 19 separate.The
One clutch 11 links together second driving shaft 12 and the first transmission shaft 9, and the power that motor 32 exports is in the first planetary gear
26 punishment are two paths, and first transmission path is：First planetary gear 26, the first sun gear 28, the first sun wheel shaft 29.The
Two paths be the first planetary gear 26, the first gear ring 3, the 9th gear 25, eighth gear 4, the second sun gear 22, the second planet
Wheel 23.At the second planetary gear 23, the power of motor 32 is by the power coupling with engine 15.The power of engine 15 transmits road
Diameter is：First gear 14, second gear 13, second driving shaft 12, first clutch 11, the first transmission shaft 9, the 4th gear 8,
Five gears 21, the second gear ring 7, the second planetary gear 23.The power and 15 power of engine of 32 second paths of motor are in the second row
After converging at star-wheel 23, common transmission path is：Second planetary gear 23, the second planet carrier 6, the 6th gear 5, the 7th gear 24,
First sun wheel shaft 29.At the first sun wheel shaft, the power of three paths will be merged together, after together through the tenth gear 30
Pass to main reducing gear and differential assembly 31.Motor 32 is coupled with 15 revolving speed of engine realizes engine governed speed, by engine
15 operating points are adjusted to high efficient district, are obviously improved fuel economy, reduce pollution.Under revolving speed coupling driving mode, pass through system
Energy flow path is as shown in Figure 2.
(2) torque coupling mode：I.e. motor couples common driving method with engine speed；Motor 32 and engine 15 are all
In driving condition.Second clutch 18 and the engagement of the first brake 10, first clutch 11 and second brake 19 separate, the
One clutch 11 links together third transmission shaft 17 and the second sun wheel shaft 20, and the first brake 10 is passed by braking first
For moving axis 9 by 8 locking of the 4th gear, the 4th gear 8 passes through the 5th gear 21 for 7 locking of the second gear ring.The power that motor 32 exports
It is two paths by first planet carrier 27, the first planetary gear 26, and in the punishment of the first planetary gear 26.First paths are：The
One planetary gear 26, the first sun gear 28, the first sun wheel shaft 29.Second paths are the first planetary gear 26, the first gear ring 3, the
Nine gears 25, eighth gear 4, the second sun gear 22, the second sun wheel shaft 20.At the second sun wheel shaft 20, motor 32 is moved
Power is by the power coupling with engine 15.The power transfer path of engine 15 is：First gear 14, third gear 16, second
Clutch 18, the second sun wheel shaft 20.The power of 32 second paths of motor and the power of engine 15 are in the second sun wheel shaft
After converging at 20, common transmission path is：Second sun wheel shaft 20, the second planetary gear 23, the second planet carrier 6, the 6th gear 5,
7th gear 24, the first sun wheel shaft 29.At the first sun wheel shaft 29, the power of three paths will be merged together, latter
It rises and passes to main reducing gear and differential assembly 31 through the tenth gear 30.Motor 32 and 15 torque coupling of engine realize engine
15 operating point of engine is adjusted to high efficient district by bending moment, is obviously improved fuel economy, reduces pollution.Torque coupling drive mode
Under, the energy flow path of system is as shown in Figure 3.
(3) EV1 mode：I.e. mode is operated alone in motor；Motor 32 is in driving condition, and the first brake 10 engages, the
One clutch 11, second clutch 18 and second brake 19 separate.First brake 10 is by the first transmission shaft 9 of braking by the
Four gears, 8 locking, the 4th gear 8 is by braking the 5th gear 21 for 7 locking of the second gear ring.The power that motor 32 exports is by the
One planet carrier 27, the first planetary gear 26, and be two paths in the punishment of the first planetary gear 26.First paths are：First planet
Take turns the 26, first sun gear 28, the first sun wheel shaft 29.The power of two paths will converge at the first sun wheel shaft 29, the
Two paths are the first planetary gear 26, the first gear ring 3, the 9th gear 25, eighth gear 4, the second sun gear 22, the second sun gear
Axis 20, the second planetary gear 23, the second planet carrier 6, the 6th gear 5, the 7th gear 24, the first sun wheel shaft 29.In first sun
At wheel shaft 29, the power of two paths will be merged together, after pass to main reducing gear and differential mechanism through the tenth gear 30 together
Assembly 31.Under EV1 mode, the energy flow path of system is as shown in Figure 4.
(4) EV2 mode：I.e. mode is operated alone in motor；Motor 32 is in driving condition, and second brake 19 engages, the
One clutch 11, second clutch 18 and the separation of the first brake 10.Second brake 19 passes through the second sun wheel shaft 20 of braking
By 4 locking of eighth gear, eighth gear 4 passes through the 9th gear 25 for 3 locking of the first gear ring.The power that motor 32 exports transmits road
Diameter is：First planet carrier 27, the first planetary gear 26, the first sun gear 28, the first sun wheel shaft 29, the tenth gear 30, main deceleration
Device and differential assembly 31.Under EV1 mode, the energy flow path of system is as shown in Figure 5.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (6)
1. a kind of single motor hybrid automobile power Multiple modes coupling power drive system, including engine (15), first planetary gear
Mechanism, the second planetary gear mechanism, motor (32), main reducing gear and differential assembly (31), first planetary gear mechanism is by
One gear ring (3), the first planetary gear (26), first planet carrier (27), the first sun gear (28) composition, the second planetary gear mechanism by
Second gear ring (7), the second planetary gear (23), the second planet carrier (6), the second sun gear (22) composition, which is characterized in that engine
Output shaft is sequentially connected with second driving shaft (12) and third transmission shaft (17) respectively；Motor output shaft and first planet carrier are driven
Connection；The one end for the first sun wheel shaft (29) being arranged on first sun gear and main reducing gear and differential assembly are sequentially connected,
The other end and the second planet carrier are sequentially connected；The one end for the second sun wheel shaft (20) being arranged on second sun gear and the first gear ring
Transmission connection, the other end are connected with third transmission shaft by second clutch (18)；Second gear ring is sequentially connected with the first transmission
Axis (9), the first transmission shaft are connected with second driving shaft by first clutch (11), and the first transmission shaft is equipped with the first brake
(10)；Second sun wheel shaft is equipped with second brake (19).
2. single motor hybrid automobile power Multiple modes coupling power drive system according to claim 1, which is characterized in that institute
It states and is coaxially arranged with the 9th gear (25), the 5th gear (21), the 6th on the first gear ring, the second gear ring and the second planet carrier respectively
Gear (5)；The tenth tooth is arranged in one end with main reducing gear and differential assembly transmission connection in first sun wheel shaft (29)
The 7th gear (24) with the 6th gear engaged transmission is arranged in the one end being sequentially connected with the second planet carrier in wheel (30)；It is described
Second sun wheel shaft (20) is in one end setting and the eighth gear of the 9th gear engaged transmission being sequentially connected with the first gear ring
(4)；First transmission shaft is in one end setting and the 4th gear of the 5th gear engaged transmission being sequentially connected with the second gear ring
(9)；The engine output end be equipped with first gear (14), the second driving shaft away from first clutch one end be equipped with
The second gear (13) of first gear engaged transmission, the third transmission shaft are equipped with and the first tooth away from one end of second clutch
Take turns the third gear (16) of engaged transmission.
3. single motor hybrid automobile power Multiple modes coupling power drive system according to claim 2, which is characterized in that institute
The tenth gear, motor, the first sun gear, the 9th gear and the 7th gear stated are coaxial arrangement；The eighth gear, the 6th
Gear, the second sun gear, the 5th gear and third gear are coaxial arrangement.
4. single motor hybrid automobile power Multiple modes coupling power drive system according to claim 2, which is characterized in that institute
The first gear ring and the 9th gear, the first sun gear and the first sun wheel shaft, the second sun gear and the second sun wheel shaft, second stated
Planet carrier and the 6th gear, the second gear ring and the 5th gear, second gear and second driving shaft, third gear and third are driven
Axis, the 4th gear are respectively structure as a whole with the first transmission shaft.
5. single motor hybrid automobile power Multiple modes coupling power drive system according to claim 1, which is characterized in that institute
The motor stated is electrically connected by inverter (2) and power battery (1), and the power battery is electromobile battery.
6. single motor hybrid automobile power Multiple modes coupling power drive system according to claim 1, which is characterized in that institute
The locking part for the first brake stated passes through spline and the first transmission axis connection；The locking part of the second brake passes through flower
Key is connect with the second sun wheel shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689364.3A CN108859729B (en) | 2018-06-28 | 2018-06-28 | Multimode coupling power transmission system of single-motor hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689364.3A CN108859729B (en) | 2018-06-28 | 2018-06-28 | Multimode coupling power transmission system of single-motor hybrid electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108859729A true CN108859729A (en) | 2018-11-23 |
| CN108859729B CN108859729B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810689364.3A Active CN108859729B (en) | 2018-06-28 | 2018-06-28 | Multimode coupling power transmission system of single-motor hybrid electric vehicle |
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| CN108859729B (en) | 2021-04-06 |
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