CN110114239A - Method for operating the hybrid drive train with motor/generator device, internal combustion engine and gear mechanism - Google Patents
Method for operating the hybrid drive train with motor/generator device, internal combustion engine and gear mechanism Download PDFInfo
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- CN110114239A CN110114239A CN201780080574.6A CN201780080574A CN110114239A CN 110114239 A CN110114239 A CN 110114239A CN 201780080574 A CN201780080574 A CN 201780080574A CN 110114239 A CN110114239 A CN 110114239A
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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
- B60K6/42—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
- B60K6/48—Parallel type
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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
- B60K6/42—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
- B60K6/48—Parallel type
- B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
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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
- B60K6/42—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
- B60K6/48—Parallel type
- B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
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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)
- Electric Propulsion And Braking For Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
This application involves a kind of method for operating the especially hybrid drive train of motor vehicles, which includes: internal combustion engine (1)；It is couple to the motor/generator device (2) of battery (22)；Driven wheel (3)；Gear mechanism (4) therebetween, the gear mechanism include at least planetary gear set (5).According to the application, passing through engine (1) before parked accelerating weight (3), motor/generator device (2) is started engine (1) by battery (22) electric drive.
Description
Technical field
This application involves a kind of method for operating hybrid drive train, which has at least two originals dynamic
Machine, with load and therebetween with gear mechanism, a kind of driving system of the application more particularly to motor vehicles, the driving system
Including the internal combustion engine (ICE) with crankshaft, motor/generator (M/G) device with drive shaft and driven wheel.In this field
In, it has been proposed that several such hybrid drive trains, the structural complexity with wide scope simultaneously provide multiple modes of operation,
Such as battery power motor drive mode, petrol power ICE drive mode, the ICE of combination and motor drive mode, braking
Energy regenerating or generator mode etc..
Background technique
For example, 0 941 883 A of European Patent Publication EP discloses this hybrid drive train.In this known mixing
Driving system in, the gear mechanism include planetary gear set and provided between planetary gear set and driven wheel multiple speed ratios from
Dynamic speed changer.Planetary gear set is well-known and includes: the center contacted with one or more planetary gears engagements or too
Positive gear, planetary gear are rotatably carried by the planet carrier coaxially arranged with sun gear；And outer ring gear, with planet tooth
Wheel engagement contact and it is also coaxially arranged with sun gear.Rim gear wheel be couple to by first clutch or at least can by first from
Clutch is couple to the crankshaft of ICE, and planet carrier is couple to automatic transmission, and sun gear is couple to the drive shaft of M/G device.It mentions
For second clutch rim gear wheel is selectively couple to planet carrier.
This known hybrid drive train can be made in several mode of operation.Specifically, it is known that hybrid drive train mention
For traditional ICE, electricity auxiliary and all electric drive mode.However, passing through in 0 941 883 A of EP without anticipation motor vehicles
The case where ICE starts, accelerates from parked state.Still battery may occur to charge too low and cannot only open by M/G device
Capable situation.In order to take this possibility into account, in order to be started by ICE rather than by M/G device, known
Can include apparently in hybrid drive train torque-converters, (more) wet plate clutch or other it is traditional start device, such as it
A part of automatic transmission.
Summary of the invention
According to the application, by operating in a novel way, it may be advantageous to enhance the more of above-mentioned known hybrid drive train
It is functional.Particularly, according to the application, during starting motor vehicles by ICE, M/G device is controlled as reversely revolving
Turn, while generating positive positive torque, so that its generation can be used for the electric power to charge to the battery of hybrid drive train.Meanwhile ICE
Revolving speed increase (accelerate) or the reverse speed of M/G device reduces and (slows down), or both all carry out, to accelerate motor vehicle
?.By this novel operating method, starting for motor vehicles is advantageously achieved, traditional starts dress without described
It sets.
In the revolving speed of above-mentioned increase ICE also may be selected while increase M/G device in the particular methods of operation of accelerating vehicle
Reverse speed (that is, accelerating its reverse rotation).Therefore, the revolving speed of ICE increases faster relative to the speed of motor vehicles, and
Compared with the operating method that the speed of M/G device remains unchanged, ICE is allowed advantageously to generate more power so as to faster
Ground accelerates motor vehicles and/or is quickly charged to battery by M/G device.
Further according to the application and compared with known hybrid drive train, especially for the best of aforesaid operations method
Performance, the crankshaft of ICE is couple to sun gear, and the drive shaft of M/G device is couple to rim gear wheel.This in hybrid drive train is new
Grain husk arrangement in, relative to the speed and torque ratio of the fixation provided by planetary gear set, be most preferably utilized ICE's and especially
It is the typical power generation characteristic of M/G device.In hybrid drive train, nominal (rotation) speed of M/G device is usually more than ICE
Nominal (rotation) speed so that it is preferred that between M/G device and planetary gear set include reduction gearing so that by M/G
The torque that device generates is amplified, and the torque of usually more than ICE.Nominal (the i.e. most Dalian generated on sun gear by ICE
Continuous) torque level, i.e. T_nom_sun, and nominal (the i.e. maximum continuous) torque generated on rim gear wheel by M/G device
Horizontal, i.e. T_nom_ring, can most preferably be adjusted by being designed to have the planetary gear set of geometry gear set ratio Zpgs, several
What gear set ratio Zpgs is approximately equal to the ratio between described nominal torque level:
T_nom_ring/T_nom_sun ≈ Zpgs (1),
Wherein, the geometry gear set ratio Zpgs of planetary gear set is by the radius Rring of rim gear wheel and the radius of sun gear
The ratio between Rsun is determined:
Zpgs=Rring/Rsun (2).
Detailed description of the invention
The application is explained in greater detail by non-limitative illustration embodiment and with reference to the following drawings, in the accompanying drawings:
Fig. 1 is the schematic diagram of known hybrid drive train；
Fig. 2 is the chart for showing the operation of the planetary gear set of the hybrid drive train of Fig. 1 when operating according to the application；
Fig. 3 is suitable for the schematic diagram of the first embodiment of the hybrid drive train operated according to the application；And
Fig. 4 is suitable for the schematic diagram of the second embodiment of the hybrid drive train operated according to the application.
Specific embodiment
Fig. 1 shows the known example of the hybrid drive train of motor vehicles, which includes: with crankshaft 11
Internal combustion engine, i.e. ICE 1；Motor/generator (M/G) device 2, with drive shaft 21 and power electronics including battery
22；Driven wheel 3；Gear mechanism 4 therebetween.Gear mechanism 4 is including planetary gear set 5 and in planetary gear set 5 and driven wheel 3
Between the automatic transmission 6 of multiple speed ratios is provided.In general, automatic transmission 6 is provided with differential gear train 66, for driven
Distribution driving power between wheel 3.
Planetary gear set 5 it is also well known that, and include: in being contacted with one or more engagements of planetary gears 52
The heart or sun gear 51, planetary gear 52 are rotatably carried by the planet carrier 53 coaxially arranged with sun gear 51；With ring tooth
Wheel 54 contacts and also coaxially arranged with sun gear 51 with the engagement of planetary gear 52.Rim gear wheel 54 passes through 7 coupling of first clutch
It is connected to the crankshaft 11 of ICE 1, planet carrier 53 is couple to automatic transmission 6, and sun gear 51 is couple to the driving of M/G device 2
Axis 21.By means of first clutch 7, ICE 1 can be couple to the rest part, particularly rim gear wheel 54 of hybrid drive train, or with
Separation.In addition, planetary gear set 5 is equipped with second clutch 55 between planet carrier 53 and rim gear wheel 54, and within being closed
Planetary gear set 5 is locked to portion, is rotated integrally so that sun gear 51, planet carrier 53 and rim gear wheel 54 are used as.In fact, second
Clutch 55 may be provided between component as any two of planetary gear set, be used for its internal lock.
The known hybrid drive train of Fig. 1 can be made in several mode of operation.For example, by open first clutch 7 and
It is closed at second clutch 55, M/G device 2 is couple to driven wheel 3 via planetary gear set 5 and automatic transmission 6, simultaneously
ICE 1 and gear mechanism 4 disengage.In the operation mode, motor vehicles are also used to by 2 electric drive of M/G device, M/G device 2
Mechanical energy is recycled during braking, as power storage in battery 22.By being closed first clutch 7, the is opened simultaneously
Two clutches 55, ICE 1 and M/G device 2 are all couple to by the planetary gear set 5 of gear mechanism 4 and automatic transmission 6 driven
Wheel 3, to have in terms of providing the revolving speed in the controlled revolving speed of the controlled revolving speed of ICE 1 and M/G device 2 relative to driven wheel 3
There is the active parallel drive operation mode of natural.By being closed this first and second clutch 7,55, ICE 1 and M/G dress
It sets 2 and is still both coupled to driven wheel 3, however, only being coupled with fixed speed ratio, therefore parallel drive operation mode is provided and is not had
There is the flexibility in terms of the revolving speed, but there is less (dynamic) power loss.
It is motor-driven in order to be made by means of ICE 1 in the known hybrid drive train of Fig. 1, such as when battery 22 exhausts
Vehicle is started from parked, wherein must start device, such as multi-plate clutch or torque-converters including traditional, therefore increase
Its cost and complexity.However, according to the application, it, can be advantageous by operating known hybrid drive train in a novel way
Ground avoids this requirement.
According to the application, make load 3 from during parked initial acceleration by ICE 1 at least in hybrid drive train, M/G
The drive shaft 21 of device 2 is controlled so as to reversely rotate, and generates positive, i.e. forward driving torque simultaneously.Meanwhile turn of ICE 1
Speed increases or the reverse speed of M/G device reduces, or either way has.By this novel operating method, advantageously in fact
Showed and having been started by the motor vehicle that ICE 1 provides power, without and/or control be closed and traditional start device.In addition, logical
This novel operating method is crossed, M/G device 2 generates electric power, and can also be advantageously to the battery 22 exhausted even if when starting
Charging.
The above method for operating the hybrid drive train according to the application is further illustrated referring to Fig. 2.Fig. 2 is planet
The rotational speed omega -54 of the rotational speed omega -51 of the sun gear of gear set 50, the rotational speed omega -53 of planet carrier and rim gear wheel is plotted in three
Chart on horizontal X axis.The speed ring gear ω -54 equal or at least proportional to the revolving speed of ICE 1 (crankshaft 11) is drawn
In X-axis on most.Planet carrier speed omega -53 is plotted in intermediate X-axis, the revolving speed phase of the planet carrier speed omega -53 and load 3
Deng or it is at least proportional.Speed sun gear ω -51 be plotted in most under X-axis on, the speed sun gear ω -51 and M/G are filled
The revolving speed for setting 2 (drive shafts 21) is equal or at least proportional.Perpendicular separation between these three X-axis reflects rim gear wheel respectively
The speed ratio B between speed ratio A and planet carrier 53 and sun gear 51 between 54 and planet carrier 53.
Dotted line D1 in Fig. 2 shows the initial mode of operation of hybrid drive train.In the D1 operation mode, ICE 1 (
Crankshaft 11) with minimum speed ω -54D1 rotation, load 3 stop, i.e., rotational speed omega -53D1 is zero, and M/G device 2 be controlled so as to
Certain negative rotational speed omega -51D1 is reversely rotated.Preferably, in the initial D1 operation mode, M/G device 2 is controlled with being attached
System offsets the positive torque of its reverse rotation to apply, and thus generates the electric power being stored in battery 22.In this feelings
Under condition, it is necessary to apply (wheel) brake by automatic or manual to prevent 3 rotation of load.
From this D1 operation mode, loads 3 brake and be released, and the speed quilt of ICE 1 (crankshaft axis 11)
Increase (as shown in arrow W1 in Fig. 2) is controlled into higher speed omega -54D2, at the same M/G device 2 (drive shaft 21) by after
Continuous control is at reverse rotation, thus it is accelerated to load 3.Preferably, but not necessarily, in the acceleration period of load 3, M/G device 2
Reverse rotation described in specific speed omega -51D1 be controlled so as to it is constant, especially by the positive torque of control M/G-
It is controlled so as to constant.The dynamic operation mode is shown in Fig. 2 by chain-dotted line D2.In the D2 operation mode, 3 speed is loaded
ω -53D2 is determined by the speed omega -51D2 of speed omega -54D2 and the M/G device 2 of ICE 1.
Alternatively, it is controlled so as to reduce (such as arrow W2 institute in Fig. 2 by the reverse speed of M/G device 2 (drive shaft 21)
Show) to reversely rotate lower speed omega -51D3 carry out accelerating weight 3, to reduce the resulting electric power.Preferably,
But not necessarily, the speed of ICE 1 (crankshaft 11) increases to higher speed omega -54D3 simultaneously, to improve adding for load 3
Speed.D3 is shown the dynamic operation mode by a dotted line in Fig. 2.Equally in the D3 operation mode, 3 speed omega-is loaded
53D3 is determined by the speed omega -51D3 of speed omega -54D3 and the M/G device 2 of ICE 1.It should be noted that by make M/G device 2 (
Drive shaft 21) the speed omega -51 of reverse rotation be controlled so as to increase, load 3 can also reversely accelerate, such as making motor vehicle
Reversing.
Once battery 22 (again) is fully charged, the speed of M/G device 2 just rises to positive value, that is, rotates in the forward direction, such as
Increase to ω -51D4, to assist the driving of ICE 1 load 3, as shown in the solid line D4 in Fig. 2, or load 3 is even operated alone.
Therefore, effectively, the operation mode of M/G device 2 is changed into electric auxiliary mode (D4) or electric drive mould from (battery) charge mode
Formula (is not shown) in Fig. 2.It should be noted that the second clutch 55 can be closed internally to lock in the electric auxiliary mode
Planetary gear set 5, so that the power loss in gear 4 is reduced, and in the electric drive mode, additionally, openable first
Clutch 7 is to disengage and be shut down ICE 1 with gear mechanism 4.In this aspect, it should be noted that by be closed (again) this
One clutch 7 can start ICE 1 by the inertia (again) of hybrid drive train, so that not needing individually opening for ICE 1
Dynamic motor.So far, it is preferable that the first clutch 7 is the friction clutch with relatively low sliding torque capacity, such as
Cone clutch.
According to the application, for the performance of above-mentioned novel operation method advantageously, in hybrid drive train, ICE
The drive shaft 21 that 1 crankshaft 11 is couple to sun gear 51 and M/G device 2 is couple to the rim gear wheel 54 of planetary gear set 5.Especially
Be that in this first embodiment, the crankshaft 11 of ICE 1 is directly coupled to sun gear 51, and the drive shaft 21 of M/G device 2 via
Reduction gearing grade 23 is couple to rim gear wheel 54.It is shown in FIG. 3 according to the first embodiment of the hybrid drive train of the application.It removes
Except other aspects, the preferable of the first embodiment is related to considering as follows: the combination of M/G device 2 and reduction gearing grade 23
Torque producing capabilities usually by the torque producing capabilities more than ICE 1, and the torsion in planetary gear set 5, at rim gear wheel 54
Square level is more than the torque level at sun gear 51.
Additionally, in this first embodiment, the planet carrier 53 of planetary gear set 5 is couple to load via fixed gear train
3, fixed gear train includes differential gear mechanism 66 and possible one or more reduction gearing grade (not shown).More particularly,
In this aspect, it is not provided with speed change gear between planetary gear set 5 and load 3, such as traditional starts device or known
Automatic transmission 6, advantageously to reduce complexity, cost in the first embodiment of the hybrid drive train according to the application
(parasitism) power loss.
The second embodiment of the hybrid drive train according to the application is shown in Fig. 4.In this second embodiment, including two
A supplementary features, however, the two supplementary features can be realized independently of one another.
As the first supplementary features shown in Fig. 4, automatic locking mechanism 8 is included in hybrid drive train, with planet tooth
The planet carrier 53 of wheel group 5 is associated, can be automatically engaged externally to lock, i.e. the rotation for preventing planet carrier 53, Yi Jiyu
The rotation of its load 3 coupled.Automatic locking mechanism 8 for example can be used as park pawl, friction brake 8 or possibly as can
Automatically the wheel drag engaged is incorporated in gear mechanism 4.When automatic locking mechanism 8 engages, M/G device 2 can drive ICE
1, especially starting it or ICE 1 can drive M/G device 2 to charge to battery 22, and does not advantageously drive and/or add simultaneously
Speed load 3.
As the second supplementary features shown in Fig. 4, automatic transmission 9 is included in the crankshaft 11 and planet tooth of ICE 1
Between wheel group 5, particularly its sun gear 51.This specific arrangements of hybrid drive train have the advantage that changeable by ICE
1 revolving speed and torque generated, most preferably to match the operating condition of hybrid drive train and/or improve its performance.In Fig. 4, from
Dynamic speed changer 6 indicates by well-known stepless transmission, the stepless transmission be equipped be located on transmission input shaft 92 can
Become input belt wheel 91, equipped with the variable output pulley 93 being located on transmission output shaft 94, and is equipped with and surrounds and rotatably connect
The transmission belt 95 of the belt wheel 91,92.Such automatic transmission 9 can continuously change the biography in ratio coverage
Speed ratio between moving axis 92,94.It should be noted that small range of speed ratio has been combined drive by the arrangement of automatic transmission 9
Dynamic system provides the comparable speed compared with provided by the automatic transmission 6 of traditional arrangement between planetary gear set 5 and load 3
Degree/torque flexibility.More particularly, automatic transmission 9 is advantageously arranged between ICE 1 and the first clutch 7, so that
It can be disengaged with planetary gear set 5 together with ICE 1, to minimize power loss when ICE 1 stops.Additionally, this is specific
Arrangement allows speed changer 9 also can briefly disengage by the first clutch 7 with planetary gear set 5 when ICE 1 is run, with
Change its speed ratio without thus transmitting torque.
Other than all details of whole descriptions of front and attached drawing, the application further relates to and including appended claims
In all features.The bibliography in bracket in claim does not limit its scope, but only as the non-of individual features
Limitative examples provide.It depending on the circumstances, independent claimed feature can be used alone in given product or give during,
But it can also wherein applied simultaneously with any combination of feature as two or more.
Specifically mentioned embodiment and/or example herein are not limited to by the application that the application indicates, further include its change,
Change, modification and the practical application that modification and practical application, especially those those skilled in the relevant arts can contact.
Claims (7)
1. a kind of method for operating the hybrid drive train in motor vehicles, the hybrid drive train include: with crankshaft
(11) internal combustion engine (ICE (1))；Motor/generator (M/G) device (2) with drive shaft (21)；With driven wheel (3),
With automatic locking mechanism associated there (8), for selectively locking or the rotation of unlock driven wheel (3)；And it sets
The gear mechanism (4) between ICE (1), M/G device (2) and driven wheel (3) is set, the gear mechanism (4) includes planetary gear
Group (5), the planetary gear set (5) have center sun gear (51) and rim gear wheel (54), the sun gear (51) and
One or more planetary gears (52) of planetary gear set (5) engage contact, and the planetary gear (52) is by planetary gear set (5)
Planet carrier (53) rotatably carry, the planet carrier (53) and sun gear (51) are coaxially arranged, the rim gear wheel (54)
It is contacted with planetary gear (52) engagement, it is and also coaxially arranged with sun gear (51), wherein planet carrier (53) being capable of rotatably coupling
It is connected to driven wheel (3), and sun gear (51) and rim gear wheel (54) respectively can rotatably be couple to ICE (1) or M/G
Device (2), which is characterized in that during the operation of hybrid drive train, when driven wheel (3) is parked and ICE (1) stops, first
Engage automatic locking mechanism (8), with the rotation of locking driven wheel (3), secondly, M/G device (2) is electrically driven, to drive ICE
(1) crankshaft (11), to start ICE (1).
2. a kind of method for operating the hybrid drive train in motor vehicles, the hybrid drive train include: with crankshaft
(11) internal combustion engine (ICE (1))；Motor/generator (M/G) device (2) with drive shaft (21)；With driven wheel (3),
With automatic locking mechanism associated there (8), for selectively locking or the rotation of unlock driven wheel (3)；And it sets
The gear mechanism (4) between ICE (1), M/G device (2) and driven wheel (3) is set, the gear mechanism (4) includes planetary gear
Group (5), the planetary gear set (5) have center sun gear (51) and rim gear wheel (54), the sun gear (51) and
One or more planetary gears (52) of planetary gear set (5) engage contact, and the planetary gear (52) is by planetary gear set (5)
Planet carrier (53) rotatably carry, the planet carrier (53) and sun gear (51) are coaxially arranged, the rim gear wheel (54)
It is contacted with planetary gear (52) engagement, it is and also coaxially arranged with sun gear (51), wherein planet carrier (53) being capable of rotatably coupling
It is connected to driven wheel (3), and sun gear (51) and rim gear wheel (54) respectively can rotatably be couple to ICE (1) or M/G
Device (2), which is characterized in that during operation, the reverse speed and ICE of the drive shaft (21) by increasing M/G device (2)
(1) forward rotational speed of crankshaft (11), driven wheel (3) accelerate in the case where automatic locking mechanism (8) are engaged from parked state,
And ICE (1) makes the drive shaft (21) of M/G device (2) oppositely be rotated to produce electric power.
3. the method according to claim 2 for operating hybrid drive train, which is characterized in that the drive in M/G device (2)
After the reverse speed of moving axis (21) initially increases, this reverse speed of the drive shaft (21) of M/G device (2) is reduced to zero,
Subsequent M/G device is electrically driven, to drive driven wheel (3).
4. the method according to any one of the preceding claims for operating hybrid drive train, which is characterized in that described
Driven wheel (3) may can directly be rotated by gear train, such as reduction gearing and/or the differential gear mechanism (66) of fixed ratio
Ground is couple to the planet carrier (53) of the planetary gear set (5), but is not provided between the driven wheel (3) and planet carrier (53)
Speed change gear, for example speed changer or start device (such as fluid coupling, torque-converters or starting clutch).
5. the method according to any one of the preceding claims for operating hybrid drive train, which is characterized in that described
ICE (1) can rotatably be couple to the planetary gear set by speed changer (6) and the clutch (7) that can be selectively engaged
(5)。
6. the method according to any one of the preceding claims for operating hybrid drive train, which is characterized in that described
Planetary gear set (5) is equipped with the clutch (55) that can be selectively engaged, and the clutch (55) can be closed so that sun tooth
Wheel (51), planet carrier (53) and rim gear wheel (54) are used as and rotate integrally.
7. the method according to any one of the preceding claims for operating hybrid drive train, which is characterized in that described
ICE (1) can rotatably be couple to the sun gear (51) of planetary gear set (5), and the M/G device (2) being capable of rotatably coupling
It is connected to the rim gear wheel (54) of planetary gear set (5), and planetary gear set (5) is designed to have the inside radius in rim gear wheel (54)
The geometry gear set ratio Zpgs limited between Rring and the outer radius Rsun of sun gear (51), the geometry gear set ratio
Zpgs is approximately equal to the torque level T_nom_sun that can be generally produced on sun gear (51) by ICE (1) and can be by M/
The torque ratio limited between the torque level T_nom_ring that G device (2) generally produces on rim gear wheel (54):
T_nom_ring/T_nom_sun ≈ Zpgs=Rring/Rsun.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1042199A NL1042199B1 (en) | 2016-12-27 | 2016-12-27 | Method for operating a hybrid drive line with an electric motor/ generator device, an internal combustion engine and a gearing |
| NL1042199 | 2016-12-27 | ||
| PCT/EP2017/025372 WO2018121885A1 (en) | 2016-12-27 | 2017-12-27 | Method for operating a hybrid drive line with an electric motor/ generator device, an internal combustion engine and a gearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110114239A true CN110114239A (en) | 2019-08-09 |
Family
ID=57737923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780080574.6A Pending CN110114239A (en) | 2016-12-27 | 2017-12-27 | Method for operating the hybrid drive train with motor/generator device, internal combustion engine and gear mechanism |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3562698A1 (en) |
| CN (1) | CN110114239A (en) |
| NL (1) | NL1042199B1 (en) |
| WO (1) | WO2018121885A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021528311A (en) | 2018-06-22 | 2021-10-21 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ | Variable transmissions and hybrid powertrains for hybrid powertrains |
| EP3814185A1 (en) | 2018-06-27 | 2021-05-05 | Robert Bosch GmbH | Method for operating a hybrid powertrain with an electric machine, an internal combustion engine and a variable transmission |
| CN113544413A (en) | 2019-03-06 | 2021-10-22 | 罗伯特·博世有限公司 | Method for operating an electric vehicle powertrain with a continuously variable transmission |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3140492A1 (en) * | 1980-10-13 | 1982-06-09 | Ludwig Loesch | Hybrid drive, in particular for motor vehicles |
| EP2646711A1 (en) * | 2010-12-03 | 2013-10-09 | DTI Group B.V. | Transmission module for a hybrid drive as well as drive provided with the transmission module |
| WO2014003664A1 (en) * | 2012-06-27 | 2014-01-03 | Scania Cv Ab | Drive system and method of driving a vehicle |
| WO2014003668A1 (en) * | 2012-06-27 | 2014-01-03 | Scania Cv Ab | Method for moving off a hybrid vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19810374B4 (en) | 1998-03-10 | 2013-05-02 | Bayerische Motoren Werke Aktiengesellschaft | Hybrid drive for a motor vehicle |
-
2016
- 2016-12-27 NL NL1042199A patent/NL1042199B1/en not_active IP Right Cessation
-
2017
- 2017-12-27 EP EP17837854.3A patent/EP3562698A1/en not_active Withdrawn
- 2017-12-27 WO PCT/EP2017/025372 patent/WO2018121885A1/en unknown
- 2017-12-27 CN CN201780080574.6A patent/CN110114239A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3140492A1 (en) * | 1980-10-13 | 1982-06-09 | Ludwig Loesch | Hybrid drive, in particular for motor vehicles |
| EP2646711A1 (en) * | 2010-12-03 | 2013-10-09 | DTI Group B.V. | Transmission module for a hybrid drive as well as drive provided with the transmission module |
| WO2014003664A1 (en) * | 2012-06-27 | 2014-01-03 | Scania Cv Ab | Drive system and method of driving a vehicle |
| WO2014003668A1 (en) * | 2012-06-27 | 2014-01-03 | Scania Cv Ab | Method for moving off a hybrid vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018121885A1 (en) | 2018-07-05 |
| NL1042199B1 (en) | 2018-07-03 |
| EP3562698A1 (en) | 2019-11-06 |
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