CN103332100A - Multimode hybrid power system and driving method thereof - Google Patents
Multimode hybrid power system and driving method thereof Download PDFInfo
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- CN103332100A CN103332100A CN2012105208651A CN201210520865A CN103332100A CN 103332100 A CN103332100 A CN 103332100A CN 2012105208651 A CN2012105208651 A CN 2012105208651A CN 201210520865 A CN201210520865 A CN 201210520865A CN 103332100 A CN103332100 A CN 103332100A
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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
- B60K6/44—Series-parallel type
- B60K6/442—Series-parallel switching 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
- B60K6/38—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
- B60K6/383—One-way clutches or freewheel devices
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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
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
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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
- B60K6/50—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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- 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
- B60K2006/4841—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range the gear provides shifting between multiple ratios
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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
Abstract
The invention discloses a multimode hybrid power system and a driving method thereof. An output shaft of an engine is connected with a first motor by a one-way clutch; an output shaft of the first motor is connected with a first input shaft of a gearbox; an output shaft of a second motor is connected with a second input shaft of the gearbox; the gearbox is internally provided with structures of at least three gears; the even gears and the odd gears are arranged on the first input shaft and the second input shaft respectively; and a synchronizer is used for gear shifting among the structures of the gears on one input shaft. With the adoption of the manner, the system can realize various driving modes and achieve the purposes of energy conservation and emission reduction; double advantages of extended-range electric and plug-in hybrid power driving are realized; the requirements on congestion electric driving under an urban condition and high-power driving output under a high-speed condition can be met; smooth transition of switch among various modes can be realized; power interruption does not exist; and the comfortability of a complete car is good.
Description
Technical field
The present invention relates to automobile power and drive the field, particularly relate to a kind of multi-mode hybrid system and driving method thereof.
Background technology
Hybrid electric drive system, with its good oil-saving effect by auto trade as research emphasis.
Because hybrid power system is to drive and regulating working conditions by increasing motor on conventional engines drive system basis, thereby optimize the system operation economic performance, driving system structure is comparatively complicated, and the pattern of multi-state is switched and transient control is the difficult point that realizes that hybrid power drives.Therefore how carrying out the hybrid electric drive system structure design becomes particularly important, and good drive system coupled structure can be simplified system complexity and operation difficulty, increases the realizability of system.
The deep hybrid power structure of current main-stream is the Prius of Toyota Motor and the Volt of General Motors, and they all adopt planetary gear construction, design ingenious, but structure is comparatively complicated; Wherein Volt compares with Prius has increased a plurality of power-transfer clutchs, though increased the extended-range drive pattern, makes system more complicated; Another kind of mix the ISG structure in general, increase drive motor between driving engine and change speed gear box, though simple in structure, fuel saving ratio is limited, and owing to there is the pattern switch clutch, makes the transient control of system response become complicated.
Summary of the invention
The technical matters that the present invention mainly solves provides a kind of multi-mode hybrid system and driving method thereof, can have multiple drive modes, can realize that the extended-range driving can realize that again plug-in hybrid drives, and obtain good oil-saving effect.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of multi-mode hybrid system is provided, comprise: driving engine, first electrical motor, second electrical motor and change speed gear box, be connected by a power-transfer clutch between the output shaft of described driving engine and first electrical motor, the output shaft of described first electrical motor is connected with first input shaft of described change speed gear box, the output shaft of described second electrical motor is connected with second input shaft of described change speed gear box, be provided with at least 3 mark structures in the described change speed gear box, even number shelves and odd number shelves are located at respectively on second input shaft of first input shaft of described change speed gear box and change speed gear box, carry out gear switch by synchro between each mark structure on the same input shaft, the output shaft of described change speed gear box is provided with main reduction gear, and described main reduction gear is connected with a diff.
In a preferred embodiment of the present invention, described power-transfer clutch is automatically controlled gear shift sleeve or free-wheel clutch.
In a preferred embodiment of the present invention, the output shaft of described driving engine also can be connected with second electrical motor by power-transfer clutch.
In a preferred embodiment of the present invention, also be provided with flywheel on the output shaft of described driving engine.
In a preferred embodiment of the present invention, be provided with 4 mark structures in the described change speed gear box, on 2 grades of even number shelves and 4 grades of first input shafts of being located at change speed gear box, on 1 grade of odd number shelves and 3 grades of second input shafts of being located at change speed gear box, be provided with even number shelves synchro between described 2 grades and 4 grades, be provided with odd number shelves synchro between 1 grade and 3 grades.
In a preferred embodiment of the present invention, be provided with 5 grades or 6 mark structures in the described change speed gear box.
In a preferred embodiment of the present invention, described first electrical motor and second electrical motor all comprise electric model and power generation mode.
Also relate to the driving method of a kind of multi-mode hybrid system, this driving method comprises
Pure motorized motions pattern, described driving engine is not worked, and first electrical motor and second electrical motor are electric model, and driving method comprises single motor-driven or double-motor driving in parallel;
Pure electronic reversing mode, described driving engine and first electrical motor are not worked, the counter-rotating of second electrical motor, driving method is single motor-driven;
Pure engine drive pattern, first electrical motor and second electrical motor are not all worked, engine operation, odd number shelves synchro places midway location, and even number shelves synchro carries out gear shift and switches;
The combination drive pattern, comprise combination drive pattern in parallel, series hybrid drive pattern, described combination drive pattern in parallel is engine operation, first electrical motor and second electrical motor are respectively electric model or power generation mode assistive drive, and first electrical motor is the driving in parallel of single motor-driven or double-motor with the second electrical motor assistive drive method;
The series hybrid drive pattern is engine operation, and second electrical motor is electric model, and first electrical motor is power generation mode, and even number shelves synchro places midway location, and odd number shelves synchro carries out gear shift and switches;
The braking take-back model is that driving engine is not worked, and first electrical motor and second electrical motor are power generation mode, and recovery method is that single motor reclaims or double-motor reclaims;
The parking power generation mode is engine operation, and first electrical motor is power generation mode, and second electrical motor is not worked, and odd number shelves synchro and even number shelves synchro all are located at midway location.
The invention has the beneficial effects as follows: multi-mode hybrid system of the present invention and driving method thereof can be realized multiple drive modes, have more different operating mode demands and optimize drive-train efficiency, reach the purpose of energy-saving and emission-reduction; Can pass through external charge, realize the double dominant that range-extended electric and plug-in hybrid drive, both can satisfy the pure motorized motions of blocking up of city operating mode, the high-power driving output in the time of can realizing high-speed working condition again; By the active speed control of electrical motor, can realize the smooth-going transition that various patterns are switched, power failure-free, the car load traveling comfort is good.
Description of drawings
Fig. 1 is the structural representation of multi-mode hybrid system of the present invention and driving method one preferred embodiment thereof;
Fig. 2 is the structural representation of multi-mode hybrid system of the present invention and another preferred embodiment of driving method thereof;
Fig. 3 is the structural representation of multi-mode hybrid system of the present invention and another preferred embodiment of driving method thereof;
The mark of each parts is as follows in the accompanying drawing: 1, driving engine, 2, first electrical motor, 3, second electrical motor, 4, the output shaft of driving engine, 5, power-transfer clutch, 6, first input shaft of change speed gear box, the output shaft of 7, second electrical motor, 8, second input shaft of change speed gear box, 9, even number shelves synchro, 10, odd number shelves synchro, 11, main reduction gear, 12, diff, 13, flywheel.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
See also Fig. 1-Fig. 3,
The embodiment of the invention 1:
A kind of multi-mode hybrid system, comprise: driving engine 1, first electrical motor 2, second electrical motor 3 and the change speed gear box, the output shaft 4 of described driving engine is provided with flywheel 13, be connected by a free-wheel clutch between the output shaft 4 of described driving engine and first electrical motor 2, the output shaft of described first electrical motor is connected with first input shaft 6 of described change speed gear box, and the output shaft 7 of described second electrical motor is connected with second input shaft 8 of described change speed gear box.
Be provided with 3 mark structures in the described change speed gear box, on first input shaft 6 that 1 grade and 3 grades is located at change speed gear box, on second input shaft 8 that 2 grades are located at described change speed gear box, carry out gear switch by odd number shelves synchro 10 between 1 grade and 3 grades, the output shaft of described change speed gear box is provided with main reduction gear 11, and described main reduction gear 11 is connected with a diff 12.
The embodiment of the invention 2:
A kind of multi-mode hybrid system, comprise: driving engine 1, first electrical motor 2, second electrical motor 3 and the change speed gear box, the output shaft 4 of described driving engine is provided with flywheel 13, be connected by a free-wheel clutch between the output shaft 4 of described driving engine and second electrical motor 3, the output shaft of described first electrical motor is connected with first input shaft 6 of described change speed gear box, and the output shaft 7 of described second electrical motor is connected with second input shaft 8 of described change speed gear box.
Be provided with 4 mark structures in the described change speed gear box, on 2 grades of even number shelves and 4 grades of first input shafts 6 of being located at change speed gear box, on 1 grade of odd number shelves and 3 grades of second input shafts 8 of being located at change speed gear box, be provided with even number shelves synchro 9 between described 2 grades and 4 grades and carry out gear switch, be provided with odd number shelves synchro 10 between 1 grade and 3 grades and carry out gear switch.The output shaft of described change speed gear box is provided with main reduction gear 11, and described main reduction gear 11 is connected with a diff 12.
The embodiment of the invention 3:
A kind of multi-mode hybrid system, comprise: driving engine 1, first electrical motor 2, second electrical motor 3 and the change speed gear box, the output shaft 4 of described driving engine is provided with flywheel 13, be connected by an automatically controlled gear shift sleeve between the output shaft 4 of described driving engine and first electrical motor 2, the output shaft of described first electrical motor is connected with first input shaft 6 of described change speed gear box, and the output shaft 7 of described second electrical motor is connected with second input shaft 8 of described change speed gear box.Combination that can be by controlling described automatically controlled gear shift sleeve 5 with separate, realize multiple mode of operation, can also realize the pattern of driving engine 1 starting and driven at low speed.
Be provided with 4 mark structures in the described change speed gear box, on 2 grades of even number shelves and 4 grades of first input shafts 6 of being located at change speed gear box, on 1 grade of odd number shelves and 3 grades of second input shafts 8 of being located at change speed gear box, be provided with even number shelves synchro 9 between described 2 grades and 4 grades and carry out gear switch, be provided with odd number shelves synchro 10 between 1 grade and 3 grades and carry out gear switch.The output shaft of described change speed gear box is provided with main reduction gear 11, and described main reduction gear 11 is connected with a diff 12.
According to the vehicle difference, the different gear quantity of coupling for example is provided with 5 grades, 6 grades or more gears in the change speed gear box of cart.
Above-mentioned described first electrical motor 2 and second electrical motor 3 all comprise electric model and power generation mode.
The invention still further relates to the driving method of a kind of multi-mode hybrid system, when power-transfer clutch 5 was free-wheel clutch, this driving method comprised:
Pure motorized motions pattern, described driving engine 1 is not worked, and first electrical motor 2 and second electrical motor 3 are electric model, and driving method comprises single motor-driven or double-motor driving in parallel; When little torque drive demand, can select single motor-driven, as adopt first electrical motor 2 to drive or second electrical motor 3 drives; When high pulling torque drives demand, can select two motor parallels to drive.And can select corresponding gear, and drive efficiency optimization by regulation stall, reach the optimum economic performance of pure motorized motions.Wherein owing to be provided with free-wheel clutch between first electrical motor 2 and the driving engine 1, can instead not drag driving engine 1 when guaranteeing 2 work of first electrical motor.
Pure electronic reversing mode, described driving engine 1 and first electrical motor 2 are not worked, 3 counter-rotatings of second electrical motor, driving method is single motor-driven;
The combination drive pattern comprises combination drive pattern in parallel, series hybrid drive pattern.
Described combination drive pattern in parallel is driving engine 1 work, and first electrical motor 2 and second electrical motor 3 are respectively electric model or power generation mode assistive drive, and first electrical motor 2 is the driving in parallel of single motor-driven or double-motor with second electrical motor, 3 assistive drive methods; Torque can be selected single motor or double-motor assistive drive or generating according to demand, regulate the operation interval of driving engine 1 to the work of optimum economic work curve, thereby optimize economy and the emission behavior of driving engine 1, and select to optimize motor-driven or generating efficiency according to gear simultaneously.During little torque drive demand, can select first electrical motor, 2 assistive drive or second electrical motor, 3 assistive drive, also can select two motors to carry out power-assisted simultaneously and drive, meanwhile can select corresponding gear.During the motor auxiliary power generation, drive pattern is the same, and machine operation can realize the generating of single electric power generation and double-motor at power generation mode.
The series hybrid drive pattern is driving engine 1 work, and second electrical motor 3 is electric model, and first electrical motor 2 is power generation mode, and even number shelves synchro 9 places midway location, and odd number shelves synchro 10 carries out gear shift and switches; Driving engine 1 drives 2 generatings of first electrical motor.The series hybrid drive pattern uses when the operating mode of city, driving engine 1 operation point can be optimized to the economic zone, improves system effectiveness, reduces fuel oil consumption and reduces discharging.
The braking take-back model is that driving engine 1 is not worked, and first electrical motor 2 and second electrical motor 3 are power generation mode, and according to the size of recuperated energy, can select recovery method is that single motor reclaims or double-motor reclaims, the maximization braking energy.When recuperated energy hour, can select second electrical motor 3, can select gear shift according to optimizing dynamo efficiency needs odd number shelves synchro 10, also can select first electrical motor 2, even number shelves synchro 9 can be selected gear shift.If recuperated energy is bigger, two motor parallel generatings.
The parking power generation mode is driving engine 1 work, and first electrical motor 2 is power generation mode, can give charging on-vehicle battery, and second electrical motor 3 is not worked, and odd number shelves synchro 10 and even number shelves synchro 9 all are located at midway location.
Shown in the following table table 1, be that power-transfer clutch of the present invention is the multiple driving method of free-wheel clutch.
Table 1:
When power-transfer clutch 5 was automatically controlled gear shift sleeve, this driving method comprised:
Pure motorized motions pattern, described driving engine 1 is not worked, and automatically controlled gear shift sleeve is released state, and first electrical motor 2 and second electrical motor 3 are electric model, and driving method comprises single motor-driven or double-motor driving in parallel; When little torque drive demand, can select single motor-driven, as adopt first electrical motor 2 to drive or second electrical motor 3 drives; When high pulling torque drives demand, can select two motor parallels to drive.And can select corresponding gear, and drive efficiency optimization by regulation stall, reach the optimum economic performance of pure motorized motions.
Pure electronic reversing mode, described driving engine 1 is not worked, first electrical motor 2 or 3 counter-rotatings of second electrical motor, automatically controlled gear shift sleeve is released state, according to driving torque demand size, can select single motor reversing or double-motor reversing.Concrete type of drive is identical with pure motorized motions pattern.
The combination drive pattern comprises combination drive pattern in parallel, series hybrid drive pattern.
Described combination drive pattern in parallel is driving engine 1 work, automatically controlled gear shift sleeve is bonding state, first electrical motor 2 and second electrical motor 3 are respectively electric model or power generation mode assistive drive, and first electrical motor 2 is the driving in parallel of single motor-driven or double-motor with second electrical motor, 3 assistive drive methods; Torque can be selected single motor or double-motor assistive drive or generating according to demand, regulate the operation interval of driving engine 1 to the work of optimum economic work curve, thereby optimize economy and the emission behavior of driving engine 1, and select to optimize motor-driven or generating efficiency according to gear simultaneously.During little torque drive demand, can select first electrical motor, 2 assistive drive or second electrical motor, 3 assistive drive, also can select two motors to carry out power-assisted simultaneously and drive, meanwhile can select corresponding gear.During the motor auxiliary power generation, drive pattern is the same, and machine operation can realize the generating of single electric power generation and double-motor at power generation mode.
The series hybrid drive pattern is driving engine 1 work, automatically controlled gear shift sleeve is bonding state, and second electrical motor 3 is electric model, and first electrical motor 2 is power generation mode, the synchro of being located on first input shaft places midway location, and the synchro of being located on second input shaft carries out the gear shift switching; Driving engine 1 drives 2 generatings of first electrical motor.The series hybrid drive pattern uses when the operating mode of city, driving engine 1 operation point can be optimized to the economic zone, improves system effectiveness, reduces fuel oil consumption and reduces discharging.
The braking take-back model is that driving engine 1 is not worked, automatically controlled gear shift sleeve is released state, and first electrical motor 2 and second electrical motor 3 are power generation mode, according to the size of recuperated energy, can select recovery method is that single motor reclaims or double-motor reclaims, the maximization braking energy.When recuperated energy hour, can select second electrical motor 3, can select gear shift according to optimizing dynamo efficiency needs odd number shelves synchro 10, also can select first electrical motor 2, even number shelves synchro 9 can be selected gear shift.If recuperated energy is bigger, two motor parallel generatings.
The parking power generation mode is driving engine 1 work, and automatically controlled gear shift sleeve is bonding state, and first electrical motor 2 is power generation mode, can give charging on-vehicle battery, and second electrical motor 3 is not worked, and the synchro on first input shaft and second input shaft all is located at midway location.
Shown in the following table table 2, be that power-transfer clutch 5 is the multiple driving method of automatically controlled gear shift sleeve among the present invention.
Table 2:
Multi-mode hybrid system of the present invention and driving method thereof can be realized multiple drive modes, have more different operating mode demands and optimize drive-train efficiency, reach the purpose of energy-saving and emission-reduction; Can pass through external charge, realize the double dominant that range-extended electric and plug-in hybrid drive, both can satisfy the pure motorized motions of blocking up of city operating mode, the high-power driving output in the time of can realizing high-speed working condition again can obtain good oil-saving effect; By the active speed control of motor, can realize the smooth-going transition between various patterns switchings, power failure-free, the car load traveling comfort is good.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification sheets of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. multi-mode hybrid system, it is characterized in that, comprise: driving engine, first electrical motor, second electrical motor and change speed gear box, be connected by power-transfer clutch between the output shaft of described driving engine and first electrical motor, the output shaft of described first electrical motor is connected with first input shaft of described change speed gear box, the output shaft of described second electrical motor is connected with second input shaft of described change speed gear box, be provided with at least 3 mark structures in the described change speed gear box, even number shelves and odd number shelves are located at respectively on second input shaft of first input shaft of described change speed gear box and change speed gear box, carry out gear switch by synchro between each mark structure on the same input shaft, the output shaft of described change speed gear box is provided with main reduction gear, and described main reduction gear is connected with a diff.
2. multi-mode hybrid according to claim 1 system is characterized in that described power-transfer clutch is automatically controlled gear shift sleeve or free-wheel clutch.
3. multi-mode hybrid according to claim 1 system is characterized in that the output shaft of described driving engine also can be connected with second electrical motor by power-transfer clutch.
4. multi-mode hybrid according to claim 1 system is characterized in that, also is provided with flywheel on the output shaft of described driving engine.
5. multi-mode hybrid according to claim 1 system, it is characterized in that, be provided with 4 mark structures in the described change speed gear box, on 2 grades of even number shelves and 4 grades of first input shafts of being located at change speed gear box, on 1 grade of odd number shelves and 3 grades of second input shafts of being located at change speed gear box, be provided with even number shelves synchro between described 2 grades and 4 grades, be provided with odd number shelves synchro between 1 grade and 3 grades.
6. multi-mode hybrid according to claim 1 system is characterized in that, is provided with 5 grades or 6 mark structures in the described change speed gear box.
7. multi-mode hybrid according to claim 1 system is characterized in that described first electrical motor and second electrical motor all comprise electric model and power generation mode.
8. according to the driving method of claim 5 or 7 described multi-mode hybrid systems, it is characterized in that this driving method comprises
Pure motorized motions pattern, described driving engine is not worked, and first electrical motor and second electrical motor are electric model, and driving method comprises single motor-driven or double-motor driving in parallel;
Pure electronic reversing mode, described driving engine and first electrical motor are not worked, the counter-rotating of second electrical motor, driving method is single motor-driven;
Pure engine drive pattern, first electrical motor and second electrical motor are not all worked, engine operation, odd number shelves synchro places midway location, and even number shelves synchro carries out gear shift and switches;
The combination drive pattern, comprise combination drive pattern in parallel, series hybrid drive pattern, described combination drive pattern in parallel is engine operation, first electrical motor and second electrical motor are respectively electric model assistive drive or power generation mode, and first electrical motor is the driving in parallel of single motor-driven or double-motor with the second electrical motor assistive drive method;
The series hybrid drive pattern is engine operation, and second electrical motor is electric model, and first electrical motor is power generation mode, is located at even number shelves synchro and places midway location, and odd number shelves synchro carries out gear shift and switches;
The braking take-back model is that driving engine is not worked, and first electrical motor and second electrical motor are power generation mode, and recovery method is that single motor reclaims or double-motor reclaims;
The parking power generation mode is engine operation, and first electrical motor is power generation mode, and second electrical motor is not worked, and odd number shelves synchro and even number shelves synchro all are located at midway location.
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