CN106864248A - A kind of hybrid power drive assembly and it is provided with the automobile of the assembly - Google Patents
A kind of hybrid power drive assembly and it is provided with the automobile of the assembly Download PDFInfo
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- CN106864248A CN106864248A CN201710153606.2A CN201710153606A CN106864248A CN 106864248 A CN106864248 A CN 106864248A CN 201710153606 A CN201710153606 A CN 201710153606A CN 106864248 A CN106864248 A CN 106864248A
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- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 230000005611 electricity Effects 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 5
- 210000000515 tooth Anatomy 0.000 claims description 4
- 230000009194 climbing Effects 0.000 abstract description 12
- 230000001133 acceleration Effects 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 16
- 230000009467 reduction Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present embodiments relate to hybrid power actuation techniques field, there is provided a kind of hybrid power drive assembly and be provided with the automobile of the assembly.Wherein hybrid power drive assembly includes：Engine, the second motor and hybrid power gearbox；Wherein hybrid power gearbox includes the rotor of first motor of two gear gears and connection of the first motor, the first planetary mechanism of connection engine and the first motor, one-level driving gear, the second motor of connection and one-level driving gear and the coupled clutch of two gear gears, and the first planetary mechanism constitutes a speed increasing mechanism.Hybrid power drive assembly provided in an embodiment of the present invention and it is provided with the automobile of the assembly, by using the first planetary mechanism, engine output minimum speed ratio can be reduced while grade climbing performance and starting acceleration performance is ensured, engine and motor efficiency is effectively improved, overall economy quality is improved；Integrated structure is used simultaneously, makes compact overall structure, beneficial to Arrangement of Engine-room.
Description
Technical field
The present embodiments relate to hybrid power actuation techniques field, driven more particularly, to a kind of hybrid power total
Into and be provided with the automobile of the assembly.
Background technology
Hybrid vehicle refers to can be while the vehicle of the power source for operating with least two.Most commonly oil is electric
Hybrid vehicle, i.e., using traditional internal combustion engine and motor as power source automobile.Only pass through internal combustion with orthodox car
The mode that machine is driven is compared, and the oil consumption of hybrid vehicle and emission level have greatly improved, to environmental protection and energy
Source saving is significant.
At present, a part of hybrid vehicle is turned round by slow down increasing using two shift transmissions or single reduction gear group
To drive vehicle.The drive system of this vehicle, although compact conformation, but there is also problem, i.e.,：Ensure that the starting of vehicle adds
Fast performance and grade climbing performance by system output slowest ratio it is necessary to be arranged on higher value；And because gear number is less, system output
The ratio of slowest ratio and minimum speed ratio can not be too big, because too conference causes gearshift difficult, reduces shift quality；The ratio
Can not greatly require very much that system exports minimum speed than larger, it is less economical so as to cause engine operating efficiency low.It can be seen that, adopt
Exist with the drive system of two shift transmissions or single reduction gear group and be difficult to while taking into account the starting acceleration performance of vehicle, climbing
The problem of performance and overall economy quality.
The content of the invention
(1) technical problem to be solved
One purpose of the embodiment of the present invention is to provide a kind of hybrid power drive assembly, difficult in the prior art to solve
To take into account the problem of starting acceleration performance, grade climbing performance and the overall economy quality of vehicle simultaneously.
Another purpose of the embodiment of the present invention is to provide a kind of automobile.
(2) technical scheme
In order to overcome above mentioned problem or solve the above problems at least in part, it is dynamic that the embodiment of the present invention provides a kind of mixing
Power drive assembly, including：Engine, the second motor and hybrid power gearbox；The hybrid power gearbox includes the first row
Star mechanism, the first motor, coupled clutch, two gear gear and one-level driving gears.Wherein, the engine is by described
First planetary mechanism connects first motor, and first planetary mechanism constitutes a speed increasing mechanism；The coupled clutch
Drive end connect the rotor of first motor, the driven end connection two gears gear of the coupled clutch；Institute
State two gear gears connection second motor and the one-level driving gear.
Wherein, first planetary mechanism includes the first planet carrier, the first sun gear, the first ring gear and installed in described
The first planetary gear on first planet carrier.Wherein described the first row carrier connects the engine, and first sun gear is fixed
It is installed on the hybrid power gearbox housing, first ring gear connects the rotor of first motor.
Wherein, the two gears gear includes：Second planetary mechanism, a gear brake and two gear clutches；Described
Two planetary mechanisms include the second planet carrier, the second sun gear, the second ring gear and on second planet carrier second
Planetary gear.Wherein, second sun gear connects the rotor of second motor, and connects with the driven end of the coupled clutch
Connect, second ring gear connects the one-level driving gear.The one gear brake is fixedly installed in the hybrid power and becomes
On the housing of fast case, and selectivity braking second planet carrier.The drive end connection described second of the two gears clutch is too
Sun wheel, the driven end of the two gears clutch connects second ring gear.
Wherein, the two gears clutch is arranged in the internal rotor of second motor.
Further, the hybrid power drive assembly also includes：Countershaft assembly and differential assembly；The jackshaft
Assembly at least includes one-level driven gear and two grades of driving gears, and the differential assembly at least includes two grades of driven gears.Its
In, the one-level driven gear is engaged with the one-level driving gear, two grades of driving gears and the one-level driven gear
Connection, and engaged with two grades of driven gears.
Further, the hybrid power drive assembly also includes hydraulic valve block assembly, and the hydraulic valve block assembly is used for
Control the separation of the coupled clutch, a gear brake and the two gears clutch and engage.
Further, the hydraulic valve block assembly also includes electric oil pump assembly.
Wherein, first motor and/or second motor are arranged in the enclosure interior of the hybrid power gearbox.
Wherein, first planetary mechanism and/or the coupled clutch are arranged in the internal rotor of first motor.
The embodiment of the present invention also provides a kind of automobile, including above-mentioned hybrid power drive assembly.
(3) beneficial effect
Hybrid power drive assembly provided in an embodiment of the present invention and the automobile of the assembly is provided with, by using the first planet
Mechanism, can reduce the ratio of the minimum speed ratio of engine output, increase output slowest ratio and minimum speed ratio, be risen vehicle is taken into account
While step acceleration and grade climbing performance, make engine there are more chances to be operated in high efficient district, improve overall economy.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment of the present invention hybrid power drive assembly；
Fig. 2 is the structural representation of the planetary mechanism of the embodiment of the present invention first.
In figure：1 is engine；2 is the first planetary mechanism；21 is the first sun gear；22 is the first planetary gear；23 is first
Planet carrier；24 is the first ring gear；3 is the first motor；4 is coupled clutch；5 is two gear gears；51 is second sun
Wheel；52 is the second planet carrier；53 is a gear brake；54 is the second ring gear；55 is the second planetary gear；56 is two gear clutches
Device；6 is one-level driving gear；7 is the second motor；8 is countershaft assembly；81 is one-level driven gear；82 is two grades of driving tooths
Wheel；9 is differential assembly；10 is hydraulic valve block assembly；11 is electric oil pump assembly.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, be the structural representation of embodiment of the present invention hybrid power drive assembly, including：Engine 1,
Two motors 7 and hybrid power gearbox.The hybrid power gearbox include the first planetary mechanism 2, the first motor 3, couple from
Clutch 4, two keeps off gear 5 and one-level driving gear 6.Wherein, engine 1 connects the first motor by the first planetary mechanism 2
3, the first planetary mechanism 2 constitutes a speed increasing mechanism；The drive end of coupled clutch 4 connects the rotor of the first motor 3, couple from
The driven end connection two of clutch 4 keeps off gear 5；Two gear gear 5 connection the second motor 7 and one-level driving gears 6.
Specifically, the motor 7 of engine 1 and second as power source for system provides driving force.The rotor of the second motor 7
Connection two keep off gears 5, by speed pass to two gear gears 5 and through two gear the speed changes of gear 5 after through one-level actively
Gear 6 is exported, for driving vehicle.First planetary mechanism 2 constitutes a speed increasing mechanism, and the speed of engine 1 is through the first planet
The first motor 3 is delivered to after the speedup of mechanism 2.By controlling the separation of the drive end of coupled clutch 4 and driven end and engaging, control
Removal or input engine 1 drive the driving force of vehicle.
When the driving force of the second motor 7 is not enough, control starts engine and makes the drive end of coupled clutch 4 and driven end
Engagement, driving force is delivered to two gear gears 5 by the first motor 3, by after the two gear speed changes of gear 5 through one-level driving gear
6 outputs, for driving vehicle.Now engine is in lower-speed state, and the first motor 3 is in fast state.When battery electric quantity not
When foot needs to charge, control starts engine and separates the drive end of coupled clutch 4 and driven end, and engine 1 is through the first row
The accelerating function of star mechanism 2 drives the high-speed cruising of the first motor 3 to generate electricity.
Thus, when engine comes into operation, according to motor and the characteristic of engine, motor efficiency when rotating speed is higher
Height, engine efficiency high when rotating speed is relatively low.When charging, the first planetary mechanism 2 carries out to be driven after speedup to engine 1
Power is delivered to the first motor 3, even if engine 1 is operated in lower-speed state, the first motor 3 and is operated in fast state, thus starts
The motor 3 of machine 1 and first can simultaneously between high efficient area.
The hybrid power drive assembly that the present embodiment is provided, by setting the first planetary mechanism 2, increases to engine 1
Speed, can make to be constantly in height under various operating modes of the engine 1 when putting into operation in the case where vehicle drive force is not influenceed
Efficiency operating condition, overall economy quality is improved.
On the basis of above-described embodiment, in order to shorten the axial length of assembly, make compact conformation, the first motor 3 and/
Or second motor 7 be arranged in the enclosure interior of hybrid power gearbox.Likewise, the first planetary mechanism 2 and/or coupling clutch
Device 4 is arranged in the inside of the rotor of the first motor 3.
The present embodiment makes full use of the inner space of hybrid power gearbox and motor, can effectively shorten the axial direction of assembly
Length, reduction physical dimension, make compact overall structure, beneficial to Arrangement of Engine-room.
According to above-described embodiment, as shown in Fig. 2 be the structural representation of the first planetary mechanism of the present embodiment 2, including first
Sun gear 21, the first planet carrier 23, the first ring gear 24 and the first planetary gear 22 on the first planet carrier 23.Wherein
One planet carrier 23 connects engine 1, and the first sun gear 21 is fixedly installed on the housing of hybrid power gearbox, the first ring gear
The rotor of 24 the first motors 3 of connection.
Specifically, the first sun gear 21 is fixed on the housing of hybrid power gearbox, and rotating speed is zero；First planet carrier
23 are connected in the output end of engine 1, and speed is consistent with the speed of engine 1；First ring gear 24 is fixedly connected on
On the rotor of the first motor 3, speed is consistent with the speed of the first motor 3.Based on this annexation, engine 1 and
The rotating ratio of one motor 3 is equal to the rotating ratio of the first planet carrier 23 and the first ring gear 24.
Characteristic equation can be obtained by the planetary gears characteristics of motion：
nT1+a1nQ1-(1+a1)nJ1=0；
Wherein, nT1It is the rotating speed of the first sun gear 21, nQ1It is the rotating speed of first gear circle 24, nJ1It is the first planet carrier 23
Rotating speed, a1It is the first ring gear 24 and the gear ratio of the first sun gear 21.
First sun gear 21 is fixed, then nT1Value be zero, the then rotating speed of the motor 3 of engine 1 and second from the above
Than the rotating ratio equal to the first planet carrier 23 and the first ring gear 24, size is：
Wherein, nQ1It is the rotating speed of first gear circle 24, nJ1It is the rotating speed of the first planet carrier 23, a1For the first ring gear 24 with
The gear ratio of the first sun gear 21.
The hybrid power drive assembly that the present embodiment is provided, the driving force of engine 1 by the first planetary mechanism 2 the first row
Carrier 23 is input into, and is exported by the first ring gear 24, can realize the accelerating function to engine 1.It can be seen that the first planetary mechanism 2 pairs
Engine 1 plays accelerating function.
According to above-described embodiment, two gear gears 5 include：Second planetary mechanism, a gear gear clutch of brake 53 and two
Device 56.Wherein the second planetary mechanism includes the second sun gear 51, the second planet carrier 52, the second ring gear 54 and installed in the second row
The second planetary gear 55 in carrier.Wherein, the second sun gear 51 connects the rotor of the second motor 7, and the second sun gear 51 and coupling
Close the driven end connection of clutch 4, the connection one-level of the second ring gear 54 driving gear 6.One gear brake 53 is fixedly installed in mixed
Close on the housing of power transmission-gear box, and selectivity the second planet carrier 52 of braking.The drive end connection second of two gear clutches 56 is too
Sun wheel 51, driven end connects the second ring gear 54.
Wherein, in order to shorten hybrid power gearbox axial dimension, space is made full use of, two gear clutches 56 is arranged in
The internal rotor of the second motor 7.
Specifically, the drive end of coupled clutch 4 connects the first motor 3, and driven end connects the second sun gear 51, second
Sun gear 51 connects the rotor of the second motor 7 simultaneously, is the input of hybrid power gearbox.One-level driving gear 6 is fixed and connected
It is connected on the second ring gear 54, constitutes the output end of hybrid power gearbox.
One gear brake 53 is fixedly installed on the housing of hybrid power gearbox, and selectivity the second planet carrier of connection
52, annexation is controllable.Two gear clutches 56 are arranged in the internal rotor of the second motor 7, and drive end connects the second sun gear
51, driven end connects the second ring gear 54.
The kinetic characteristic equation of the second planetary mechanism is：
nT2-a2nQ2+(a2-1)nJ2=0；
Wherein, nT2It is the rotating speed of the second sun gear 51, nQ2It is the rotating speed of second gear circle 54, nJ2It is the second planet carrier 53
Rotating speed, a2It is the second ring gear 54 and the gear ratio of the second sun gear 51.
Control one keeps off brake 53 and engages, then the second planet carrier 52 is fixed, and the velocity amplitude of the second planet carrier 52 is zero.Together
When two gear clutches 56 disconnect, the driving force of the motor 7 of engine 1 or second is input into from the second sun gear 51, by the second ring gear
54 outputs, and finally the one-level driving gear 6 through being attached thereto is exported.Now two gear gears 5 are a gear state.If
The number of teeth of the second ring gear 54 is Zr2, the second sun gear 51 the number of teeth be Zs2, then motion according to above-mentioned second planetary mechanism is special
Property equation can obtain a fast ratio of gear of two gear gears 5 and be：
Wherein, nT2It is the rotating speed of the second sun gear 51, nQ2It is the rotating speed of second gear circle 54, a2For the second ring gear 54 with
The gear ratio of the second sun gear 51.
One gear speed of i.e. two gear gears 5 is than the gear ratio for the second ring gear 54 and the second sun gear 51.
The gear brake 53 of control one is disconnected, two gear clutches 56 are engaged, then the second sun gear 51 and the second ring gear 54 connect
It is connected together, now two gear gears 5 are two gear states.According to planetary mechanism characteristic, the rotating speed being now input into and output
Rotating speed is identical, i.e., the fast ratio of two gears of two gear gears 5 is：i2=1.
The hybrid power drive assembly of the present embodiment, using two gear gears, can carry out gear shift speed governing to vehicle, drop
It is low to motor power and the demand of moment of torsion；Two gear clutches 56 are arranged in the internal rotor of the second motor 7 simultaneously, enter one
Step reduces physical dimension.
Further, on the basis of above-described embodiment, the hybrid power drive assembly also includes：Countershaft assembly 8
With differential assembly 9；Wherein, countershaft assembly 8 at least includes one-level driven gear 81 and two grades of driving gears 82, and differential mechanism is total
At least include two grades of driven gears into 9；One-level driven gear 81 is engaged with one-level driving gear 6, two grades of driving gears 82 and
Level driven gear 81 is coaxially connected, and is engaged with two grades of driven gears.
Specifically, countershaft assembly 8 and differential assembly 9 are increased on the basis of above-described embodiment.Countershaft assembly 8
Including the one-level driven gear 81 engaged with one-level driving gear 6, one-level driven gear 81 connects two by intermediate connecting ring section
Level driving gear 82.Differential assembly 9 includes the two grades of driven gears engaged with two grades of driving gears 82.
After the power of the motor 7 of engine 1 or second is exported by one-level driving gear 6, one-level driven gear 81 is delivered to, then
Two grades of driving gears 82 are delivered to through intermediate connecting ring section；Two grades of driving gears 82 drive two grades of driven gears being engaged with,
Power is transferred to wheel through differential assembly 9, double reduction, i.e., main deceleration is formed.
The speed reducing ratio of above-mentioned double reduction is respectively：The gear ratio of one-level driven gear 81 and one-level driving gear 6, comprising
Two grades of driven gears and two grades of gear ratios of driving gear 82 in differential assembly 9, the two product are base ratio i0。
Therefore, it is i when the first motor 3 and the second motor 7 arrive the speed of differential assembly 9 than a gear0i1, it is i during two gears0i2.Engine 1
To differential assembly 9 speed than one keep off when be i0i1ip, it is i during two gears0i2ip。
When climbing, start to walk and running at a low speed, two gear gears 5 are in a gear, the moment of torsion or engine of the second motor 7
1 and second motor 7 synthesis moment of torsion be delivered to differential assembly 9 speed reducing ratio be imax=i0i1.According to automobile theory, the numerical value
Bigger, the grade climbing performance and starting acceleration performance of vehicle are better.When speed is higher, typically using engine drive mode, two
Gear gear 5 is in two gears, and the speed reducing ratio of engine 1 is imin=i0i2ip.According to automobile theory, the numerical value is smaller to be more beneficial to
The fuel economy of engine.
It can be seen that, the maximum deceleration of drive system output compares imaxCompare i with minimum decelerationminRatio imax/iminIt is bigger, more have
Beneficial to the raising of vehicle grade climbing performance and starting acceleration performance while the fuel economy of engine is taken into account.Using common
Two shift transmissions, imax/iminIt is worth and is：
Wherein, imaxIt is the maximum deceleration ratio of drive system, iminIt is the minimum speed ratio of drive system, i0It is drive system
Base ratio, i1For two shift transmissions one keeps off speed reducing ratio, i2For two shift transmissions two keep off speed reducing ratio.
To take into account the combustion using common two shift transmissions vehicle good starting acceleration performance, grade climbing performance and engine
Oily economy, i1/i2Value should maintain higher value.But, i1/i2Value is excessive, and gearshift can be caused difficult, reduces shift quality.
The present embodiment increases by the first planetary mechanism 2, i on the basis of two gear gears 5max/iminThe calculation of value
For：
Wherein, imaxIt is the maximum deceleration ratio of drive system, iminIt is the minimum speed ratio of drive system, i0It is drive system
Base ratio, i1For two shift transmissions one keeps off speed reducing ratio, i2For two shift transmissions two keep off speed reducing ratio, ipIt is the first planet machine
The speed reducing ratio of structure 1.
By adjusting base ratio i0Value, can be by imax=i0i1Higher value is arranged on, makes vehicle that there is preferably climbing
Performance and starting acceleration performance.On the other hand i is passed throughpThe selection of value, can not influence base ratio i0In the case of reduce
imin=i0i2ipValue, so as to improve the fuel economy of engine.It can be seen that, the introducing of the first planetary mechanism 2 makes imax/iminValue phase
More common two shift transmissions numerical value increase, reaches the combustion for taking into account the good starting acceleration performance of vehicle, grade climbing performance and engine
The purpose of oily economy.
The present embodiment increases countershaft assembly 8 and differential assembly 9 on the basis of above-described embodiment, forms two-stage and subtracts
Speed, i.e., main deceleration.Base ratio i needed for by setting0The value of value and the first planetary mechanism 2, can take into account vehicle start acceleration
The fuel economy of performance, grade climbing performance and engine.
Further, on the basis of above-described embodiment, the hybrid power drive assembly also includes hydraulic valve block assembly
10, wherein hydraulic valve block assembly 10 is used to control the separation of the gear gear clutch 56 of brake 53 and two of coupled clutch 4, one and connects
Close.
Specifically, under corresponding operating mode, the respective valves action included in hydraulic valve block assembly 10, control is separated or engaged
Coupled clutch 4 and two keeps off the drive end and driven end of clutch 56, so as to cut off or connect the motor 7 of engine 1 and second
Driving force bang path；The engagement and cut-out of a gear brake 53 are also can control, gearshift control is carried out.
The present embodiment can flexibly control clutch and brake in drive assembly by adding hydraulic valve block assembly 10
Separate and engage, so as to adjust the driving structure composition under different operating modes.
Further, on the basis of above-described embodiment, hydraulic valve block assembly 10 also includes electric oil pump assembly 11.
Specifically, the output power drive hydraulic valve block of electric oil pump assembly 11 assembly 10, makes in hydraulic valve block assembly 10
Respective valves are acted, the different driving structure composition of control adjustment.In addition, electric oil pump assembly 11 includes cooling body and lubrication
Each parts of vehicle can be cooled down and lubricated by mechanism.
The electric oil pump assembly 11 that the present embodiment is used, can provide power, while can be right for hydraulic valve block assembly 10
Each parts of vehicle are cooled down and lubricated.
Generally speaking, for above-described embodiment, the motor 7 of engine 1 and second is as power source for system provides driving force.
The speed of engine 1 is delivered to the first motor 3 after the speedup of the first planetary mechanism 2.By control the drive end of coupled clutch 4 and
The separation of driven end with engage, control removal or input engine 1 driving force, so as to realize following several drive patterns：
(1) pure electric Drive Mode：Engine 1 does not work, and coupled clutch 4 disconnects；The speed of the output of the second motor 7 is defeated
Enter to two shift transmissions 5, through being exported by one-level driving gear 6 after the speed change of two shift transmission 5, and transmitted through countershaft assembly 8
Vehicle is driven to differential assembly 9.Compared with conventional engines drive, the drive pattern is conducive to the work for improving engine to imitate
Rate, and motor start and stop are convenient, it is to avoid energy waste during idling.
(2) serial mixed power pattern：When the electricity of battery is relatively low, engine 1 starts, through the first planetary mechanism 2
The first motor 3 is driven to generate electricity after speedup, generating electricity can be used to drive the second motor 7.The speed of the output of the second motor 7 is input to
Two shift transmissions 5, through being exported by one-level driving gear 6 after the speed change of two shift transmission 5, and are delivered to difference through countershaft assembly 8
Fast device assembly 9 drives vehicle.Coupled clutch 4 disconnects under this pattern, output speed and moment of torsion and speed and the vehicle of engine 1
Resistance is unrelated, therefore transmitter 1 can be arranged on into efficiency operation state.
(3) engine drive mode：Engine 1 starts, and the engagement of coupled clutch 4 makes the rotor and two gears of the first motor 3
Speed changer 5 forms connection.The driving force of the output of engine 1 is delivered to the first motor 3 through the first planetary mechanism 2, is then passed to
Two shift transmissions 5 of connection are formed therewith, through being exported by one-level driving gear 6 after the speed change of two shift transmission 5, and through jackshaft
Assembly 8 is delivered to differential assembly 9 and drives vehicle.Under this pattern, due to the accelerating function of the first planetary mechanism 2, engine 1 can
To be constantly in efficiency operation state, the second motor 7 then has three kinds of states：When moment of torsion and driving vehicle that engine 1 is provided
Moment of torsion at that time, the second motor 7 dallies；When the moment of torsion that engine 1 is provided is not enough to drive vehicle, the second motor 7 does work
Power-assisted；When the torque drive vehicle that engine 1 is provided also has surplus, unnecessary the second motor of drive force 7 generates electricity.
Before vehicle launch, Vehicular battery electricity is first checked.When battery electric quantity is not enough, the first motor 3 starts and passes through
First planetary mechanism 2 drives engine 1 to start, and after engine 1 starts, drives the first electricity by the first planetary mechanism 2 in turn
Machine 3 generates electricity.Now the second motor 7 is not worked, and vehicle parking is charged.
When battery electric quantity is sufficient, start the second motor 7, control one keeps off brake 53 and engages, two gear clutches 56 disconnect,
Two gear gears 5 are in a gear state.Now a gear speed of two gear gears 5 is than being the second ring gear 54 and second sun
The gear ratio of wheel 51, vehicle has larger driving force.Vehicle is driven to start and exercise with electric-only mode by the second motor 7.
When vehicle needs in uphill starting or needs anxious acceleration starting, the second motor 7 starts, and driving force is delivered into two
Shift transmission 5；Control one keeps off brake 53 and engages, and two gear clutches 56 disconnect, and two gear gears 5 are in a gear state.Together
When the first motor 3 start and by the first planetary mechanism 2 drive engine 1 start.Coupled clutch 4 is engaged, into engine
Drive pattern drives vehicle start.Now the motor 7 of engine 1 and second drives vehicle jointly.When engine 1 runs, first
Planetary mechanism 2 carries out speedup to engine 1, the speed that engine 1 need not be very high just can be met the moment of torsion of driving vehicle, from
And improve the efficiency of engine 1.
When vehicle is run at a low speed with pure electric Drive Mode, control one keeps off brake 53 and engages, and two gear clutches 56 break
Open, vehicle overcomes vehicle vehicle drag with larger driving force.When speed increases to certain value, control one keeps off brake 53 and breaks
Open, two gear clutches 56 are engaged, two gear gears 5 are switched to 2 gears, now two gear speed of two gear gears 5 are than being 1, two
The speed for keeping off the ring gear 54 of gear 5 second is equal to the speed being input into by the second sun gear 51.
Meanwhile, the first motor 3 starts and drives engine 1 to start by the first planetary mechanism 2, and coupled clutch 4 is engaged,
Into the drive pattern of engine 1.Now driving output speed ratio makes the driving force of engine 1 still have surplus, and remaining energy drives
Second motor 7 generates electricity, and engine 1 maintains high-efficiency operation.When speed is further raised, the power phase of vehicle drag and engine 1
To balance, engine 1 maintains high-efficiency operation, the second motor 7 to dally.When vehicle further speeds up, engine 1 is short of power, the
Two motor 7 starts power-assisted, common to drive vehicle to accelerate and maintain to run at high speed.
Under the common driving of 1 and second motor of engine 7, the second motor 7 keeps synchronized with the first motor 3, then starts
The rotating ratio of the motor 7 of machine 1 and second is equal to the rotating ratio of the motor 3 of engine 1 and first, the i.e. slow-speed of revolution of engine 1, the second motor
7 rotating speeds high.No matter engine 1 drives the second motor 7 to generate electricity or during the second 7 power-assisted of motor, engine 1, the first motor 3 and the
Two motors 7 can simultaneously between high efficient area.
It is on the premise of brake safe is met, the first motor 3 and the second motor 7 is single respectively when vehicle needs braking
Generator mode solely or all is switched to, for vehicle provides braking torque, while vehicle energy is converted into electrical power storage extremely
Battery, it is to avoid energy waste.
Used as another embodiment of the invention, the present embodiment provides a kind of automobile, and the automobile includes above-described embodiment
Hybrid power drive assembly.The automobile can be realized in various running statuses by setting above-mentioned hybrid power drive assembly
Under can obtain best power source, reduce the demand to motor power and moment of torsion, at the same make engine have preferably warp
Ji property, automobile has more chances to be operated in high efficient district, improves the integral working of automobile.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should be understood：It still can be right
Technical scheme described in foregoing embodiments is modified, or carries out equivalent to which part technical characteristic；And this
A little modifications are replaced, and do not make the spirit and model of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution
Enclose.
Claims (10)
1. a kind of hybrid power drive assembly, it is characterised in that including：Engine, the second motor and hybrid power gearbox；Institute
Stating hybrid power gearbox includes the first planetary mechanism, the first motor, coupled clutch, two gear gear and one-level driving tooths
Wheel；
The engine connects first motor by first planetary mechanism, and first planetary mechanism constitutes an increasing
Fast mechanism；The drive end of the coupled clutch connects the rotor of first motor, and the driven end of the coupled clutch connects
Connect the two gears gear, two gears gear connection second motor and the one-level driving gear.
2. hybrid power drive assembly according to claim 1, it is characterised in that first planetary mechanism includes：The
One planet carrier, the first sun gear, the first ring gear and the first planetary gear on first planet carrier；The first row
Carrier connects the engine, and first sun gear is fixedly installed on the housing of the hybrid power gearbox, and described the
One ring gear connects the rotor of first motor.
3. hybrid power drive assembly according to claim 1, it is characterised in that the two gears gear includes：The
Two planetary mechanisms, a gear brake and two gear clutches；Second planetary mechanism include the second planet carrier, the second sun gear,
Second ring gear and the second planetary gear on second planet carrier；
Second sun gear connects the rotor of second motor, and is connected with the driven end of the coupled clutch, described
Second ring gear connects the one-level driving gear；
The one gear brake is fixedly installed on the housing of the hybrid power gearbox, and selectivity braking second row
Carrier；
The drive ends of the two gears clutch connect second sun gears, the driven ends connection of the two gears clutch described the
Two ring gears.
4. hybrid power drive assembly according to claim 3, it is characterised in that the two gears clutch is arranged in described
The internal rotor of the second motor.
5. hybrid power drive assembly according to claim 1, it is characterised in that also include：Countershaft assembly and differential
Device assembly；The countershaft assembly at least includes one-level driven gear and two grades of driving gears, and the differential assembly is at least wrapped
Include two grades of driven gears；
The one-level driven gear is engaged with the one-level driving gear, two grades of driving gears and the one-level driven gear
Connection, and engaged with two grades of driven gears.
6. hybrid power drive assembly according to claim 3, it is characterised in that described also including hydraulic valve block assembly
Hydraulic valve block assembly is used to control the separation of the coupled clutch, a gear brake and the two gears clutch and connect
Close.
7. hybrid power drive assembly according to claim 6, it is characterised in that the hydraulic valve block assembly also includes electricity
Dynamic oil pump assy.
8. hybrid power drive assembly according to claim 1, it is characterised in that first motor and/or described
Two motors are arranged in the enclosure interior of the hybrid power gearbox.
9. hybrid power drive assembly according to claim 1, it is characterised in that first planetary mechanism and/or institute
State the internal rotor that coupled clutch is arranged in first motor.
10. a kind of automobile, it is characterised in that：Including the hybrid power drive assembly as described in any in claim 1~9.
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| CN201710153606.2A CN106864248B (en) | 2017-03-15 | 2017-03-15 | Hybrid power drive assembly and be equipped with car of this assembly |
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| CN201710153606.2A CN106864248B (en) | 2017-03-15 | 2017-03-15 | Hybrid power drive assembly and be equipped with car of this assembly |
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| CN106864248B CN106864248B (en) | 2023-08-15 |
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| CN113459797A (en) * | 2021-07-21 | 2021-10-01 | 义乌吉利自动变速器有限公司 | Multi-speed-ratio hybrid transmission and vehicle with same |
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