CN110217092A - Hybrid power system and hybrid vehicle - Google Patents
Hybrid power system and hybrid vehicle Download PDFInfo
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- CN110217092A CN110217092A CN201910357343.6A CN201910357343A CN110217092A CN 110217092 A CN110217092 A CN 110217092A CN 201910357343 A CN201910357343 A CN 201910357343A CN 110217092 A CN110217092 A CN 110217092A
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- crankshaft
- gear
- main reducing
- engine
- reducing gear
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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
- B60K6/24—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 combustion engines
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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
- B60K6/26—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 motors or the generators
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The present invention relates to automobile power assembly technical field, a kind of hybrid power system and hybrid vehicle are provided.Wherein hybrid power system includes generator, motor, main reducing gear, twin crankshaft engine, first planetary gear, first clutch and brake, twin crankshaft engine is single cylinder twin crankshaft engine, including the first crankshaft and the second crankshaft, first crankshaft is connected through first planetary gear with generator, first planetary gear is connected through first clutch with main reducing gear, brake is connected to adjust the working condition of generator with first planetary gear, it states the second crankshaft to be selectively engageable with main reducing gear, motor is connected with main reducing gear.Hybrid power is realized in hybrid power system provided by the invention, motor and twin crankshaft engine cooperation；Twin crankshaft engine improves transformation efficiency through the variable ratio transmission of first planetary gear；Twin crankshaft engine is single cylinder twin crankshaft engine, can eliminate lateral force, reduce mechanical loss.
Description
Technical field
The present invention relates to automobile power assembly technical field more particularly to a kind of hybrid power systems and hybrid electric vehicle
?.
Background technique
With oil consumption and emission regulation plus tight, major vehicle factor constantly researches and develops the advanced automobile skill being more energy-saving and environmentally friendly
Art.In order to realize enterprise's average fuel consumption of hundred kilometers of 4L in 2025, it is difficult to meet the requirements by traditional combustion engine merely, and pure electricity
Motor-car is since there are considerable hurdles in terms of continuation of the journey there are bottleneck and in the case where charging pile is not yet universal for battery technology.
The highest thermal efficiency of current gasoline engine is up to 50%, and the hybrid power mode that internal combustion engine and motor combine can be passed through
Motor improves the operating condition and mission of internal combustion engine, and internal combustion engine operation is allowed to be even up to efficient point in maximum efficiency areas.
Hybrid power system is broadly divided into tandem, parallel and series parallel type: series-mode frame is easy to arrange, but sends out
Secondary conversion is passed through in the energy demand of motivation output, and energy conversion efficiency is low；There are two sets of independent driving systems for parallel structure
System, high reliablity but be unable to give full play internal combustion engine operation advantage and maintenance cost it is high, system arrangement is complex；Series parallel type
The function of series and parallel structure had both may be implemented in structure, while internal combustion engine and Motor torque can be coupled, and improved vehicle power
Property, the high-efficiency operation advantage of internal combustion engine is sufficiently discharged, energy conversion loss is reduced, improves fuel economy, in energy conservation and control
It has a clear superiority in the flexibility of system.In currently used hybrid power system, each cylinder of engine uses single crank connecting rod
Mechanism causes to generate lateral force between piston and cylinder, increases the friction between piston and cylinder, increases the machine of engine
Tool loss.
Summary of the invention
An object of the present invention is to provide a kind of hybrid power system, starts to solve existing hybrid power system
The big problem of machine mechanical loss.
The second object of the present invention is to provide a kind of hybrid vehicle using the hybrid power system.
One of in order to solve the above-mentioned technical problem, the present invention provides a kind of hybrid power system, including generator, motor
And main reducing gear, it further include twin crankshaft engine, first planetary gear, first clutch and brake, the double-crankshaft starts
Machine is single cylinder twin crankshaft engine, including the first crankshaft and the second crankshaft, first crankshaft through the first planetary gear with
The generator is connected, and the first planetary gear is connected through the first clutch with the main reducing gear, the brake
It is connected with the first planetary gear to adjust the working condition of the generator, second crankshaft and the main reducing gear can
It is selectively engaged, the motor is connected with the main reducing gear.
In order to solve the above-mentioned technical problem two, the present invention provides a kind of hybrid vehicle, including mixes as described above
Close dynamical system.
Hybrid power system provided by the invention, motor are connected with main reducing gear, can provide power for vehicle, and first
Crankshaft is connected by first planetary gear, first clutch with main reducing gear, can be by double-crankshaft according to the traveling situation of vehicle
The power of engine is transferred to main reducing gear, and in addition the second crankshaft and main reducing gear selectively engage, and also can according to need
The power of twin crankshaft engine is transferred to vehicle through main reducing gear, to realize hybrid power；It can basis by brake
It needs that generator is made to generate electricity under the action of twin crankshaft engine, supplements electric power；Using twin crankshaft engine, eliminate by traditional
Lateral force caused by single crank engine reduces the mechanical loss of engine while improving the efficiency of engine；Benefit simultaneously
Gear ratio between engine and generator is connected with first planetary gear, the transfer efficiency of engine mechanical energy is improved, makes to send out
Motor can work in more wide in range high efficiency range.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of hybrid power system of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of twin crankshaft engine shown in Fig. 1.
In figure: 1, generator；2, motor；3, main reducing gear；31, reducer gear；4, twin crankshaft engine；41,
One crankshaft；42, the second crankshaft；43, piston；44, first connecting rod；45, second connecting rod；46, double link piston pin；47, first is bent
Handle pin；48, the second crank-pin；49, synchromesh gear；5, first planetary gear；51, output wheel；6, first clutch；61, it inputs
Gear；62, output gear；7, brake；8, second clutch；9, the second planetary gear；10, differential mechanism.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Hybrid power system provided in an embodiment of the present invention, as shown in Figure 1, including generator 1, motor 2, main reducing gear
3, twin crankshaft engine 4, first planetary gear 5, first clutch 6 and brake 7.Wherein, twin crankshaft engine 4 includes first
Crankshaft 41 and the second crankshaft 42, the first crankshaft 41 is connected through first planetary gear 5 with generator 1, and first planetary gear 5 is through
One clutch 6 is connected with main reducing gear 3, and brake 7 is connected to adjust the working condition of generator 1 with first planetary gear 5, the
Two crankshafts 42 are selectively engageable with main reducing gear 3, and motor 2 is connected with main reducing gear 3.
It should be noted that generator 1 does not work when brake 7 is in lockup state；When brake 7 is in unlock
When state, generator 1 generates electricity under the action of twin crankshaft engine 4.Second crankshaft 42 is selectively engageable with main reducing gear 3
It refers to be separated according to operation conditions selection power between the second crankshaft 42 and main reducing gear 3 or power engages, work as the two
When power separates, power transmission is interrupted；When the engagement of the two power, power is transmitted downwards.That is, according to fortune
Row situation, when the second crankshaft 42 is separated with 3 power of main reducing gear, the power of twin crankshaft engine 4, which transmits, to be interrupted, can not be by the
Two crankshafts 42 are transferred to main reducing gear 3；When the second crankshaft 42 is engaged with 3 power of main reducing gear, the power of twin crankshaft engine 4
Drive the wheel movement being connected with main reducing gear 3.
Hybrid power system provided in an embodiment of the present invention, motor 2 are connected with main reducing gear 3, can provide for vehicle
Power, the first crankshaft 41 is connected by first planetary gear 5, first clutch 6 with main reducing gear 3, according to the traveling shape of vehicle
The power of twin crankshaft engine 5 can be transferred to main reducing gear 3 by condition, in addition the selectivity of the second crankshaft 42 and main reducing gear 3
Engagement, also can according to need the power of twin crankshaft engine 4 being transferred to vehicle through main reducing gear 3, to realize motor 2
With the combination drive of twin crankshaft engine 4；It can according to need the work for making generator 1 in twin crankshaft engine 4 by brake 7
With lower power generation, electric power is supplemented；Twin crankshaft engine 4 is single cylinder hyperbolic axle construction, can eliminate and be led by single crank link mechanism
Lateral force caused by rubbing between the piston and cylinder of cause, reduces the mechanical loss of engine while improving the effect of engine
Rate.Preferably, the discharge capacity of twin crankshaft engine 4 is 2.0L, and best efficiency point torque is near 150NM；The peak of motor 2
It is worth torque near 150NM；The power of generator 1 is 50KW~60KW.
Specifically, as shown in Fig. 2, twin crankshaft engine 4 further includes piston 43, first connecting rod 44 and second connecting rod 45；It is living
Plug 43 is connected with first connecting rod 44 and second connecting rod 45 simultaneously through double link piston pin 46, and first connecting rod 44 is through the first crank-pin 47
It is connect with the first crankshaft 41, second connecting rod 45 is connected through the second crank-pin 48 with the second crankshaft 42.With the movement of piston 43, borrow
Help first connecting rod 44 and second connecting rod 45 that the driving force that piston 43 moves is delivered separately to the first crankshaft 41 and the second crankshaft 42.
In addition, being respectively arranged with synchromesh gear 49 on the first crankshaft 41 and the second crankshaft 42.
Specifically, first planetary gear 5 includes gear ring, sun gear and planet carrier, in the planetary gear on gear ring and planet carrier
It engages, planetary gear and sun gear external toothing on planet carrier.Further, the planet of the first crankshaft 41 and first planetary gear 5
Frame is connected, and the sun gear of first planetary gear 5 is connected through first clutch 6 with main reducing gear 3, the generator gear of generator 1
It is connected with the gear ring of first planetary gear 5, brake 7 is connected with the gear ring of first planetary gear 5.Wherein, first planetary gear 5
The matching relationship of middle planet carrier, sun gear and gear ring and other component can also be exchanged, for example the first crankshaft 41 can be with first
The sun gear of planetary gear 5 is connected, and the planet carrier of first planetary gear 5 is connected with first clutch 6, first planetary gear 5
Gear ring is connected with generator 1 and brake 7 respectively；In addition to this there can also be other connection types, will not enumerate.
In this embodiment by first planetary gear 5 and first clutch 6 realize the first crankshaft 41 and main reducing gear 3 it
Between selectively engage.The first clutch 6 is bidirectional clutch, can be bi-directionally connected with fixed wall or main reducing gear 3.
When first clutch 6 is connect with fixed wall, the power transmission between twin crankshaft engine 4 and main reducing gear 3 is interrupted；
When first clutch 6 is connected with main reducing gear 3, power can be transferred to main reducing gear 3 and drive vehicle by twin crankshaft engine 4
Movement.In addition to this, directly can also selectively engage by clutch and either be moved by the realization of other mechanical structures
The transmitting and interruption of power conveying.In addition, being transported by the companion between the adjustable generator 1 of brake 7 and first planetary gear 5
Emotionally condition.Specifically, when being connect when brake 7 with fixed wall in lockup state, even if first planetary gear 5 is in the first song
It is rotated under the drive of axis 41, generator 1 will not be with moving together, i.e., twin crankshaft engine 4 works, and the not work of generator 1
It does not generate electricity；When the disengaging fixed wall of brake 7 is in the unlocked state, if first planetary gear 5 is in the band of the first crankshaft 41
Dynamic rotation down, generator 1 understand movement power generation therewith.
Further, which further includes intermediate gearing, intermediate gearing include input gear 61,
Output gear 62 and first clutch 6, the sun gear of first planetary gear 5 are coaxially disposed output wheel 51, output wheel 51 and input
Gear 61 engages, and input gear 61 is connected through first clutch 6 with output gear 62, and output gear 62 is connected with main reducing gear 3.
When first clutch 6 is connect with fixed wall, the power transmission between input gear 61 and output gear 62 is interrupted；When
When first clutch 6 is connected with output gear 62, the power of input gear 61 is transferred to main reducing gear 3 by output gear 62.
In addition, main reducing gear 3 includes the reducer gear 31 being meshed with output gear 62, power transmitting is carried out by gear drive.
Hybrid power system in the embodiment of the present invention further includes second clutch 8 and the second planetary gear 9, the second crankshaft
42 are connected through second clutch 8 with the second planetary gear 9, and motor 2 is connected through the second planetary gear 9 with main reducing gear 3.Work as electricity
When motivation 2 works, the transmission output gear of motor 2 is directly by the power transmitting driving main reducing gear of the second planetary gear 9
3.When twin crankshaft engine 4 works, the selection of main reducing gear 3 and the second crankshaft 42 is realized by the adjusting of second clutch 8
Property engagement.The second clutch 8 is bidirectional clutch, and when it is abutted with fixed wall, the power of twin crankshaft engine 4 can not
It is transferred to main reducing gear 3；When second clutch 8, which is detached from fixed wall, to be connected with main reducing gear 3, twin crankshaft engine 4 is moved
Power can be transferred to main reducing gear 3 by the second planetary gear 9, and the output end of main reducing gear 3 is connected with differential mechanism 10, by power
It is transferred to wheel, drives wheel movement.Likewise, the second planetary gear 9 include sun gear, gear ring and planet carrier, sun gear with
Planetary gear engagement on planet carrier, gear ring and the planetary gear internal messing on planet carrier.Specifically, the second crankshaft 42 is through the second clutch
Device 8 is connected with the sun gear of the second planetary gear 9, and gear is arranged in the middle part of the planet carrier of the second planetary gear 9, which subtracts with master
Another reducer gear 31 in fast device 3 is connected, and motor 2 is connected with the gear ring of the second planetary gear 9.Certainly, the second planet
The connection relationship of sun gear, gear ring and planet carrier and other component can also exchange in gear 9.
In addition to this, the embodiment of the invention also provides a kind of hybrid vehicles, by using above-mentioned hybrid power system
System, the fuel-economizing potentiality of twin crankshaft engine 4 are given full play to by the power adjustment and auxiliary of generator 1 and motor 2, are reduced
The loss of energy conversion, improves energy conversion efficiency.
It is the better economy of realization while taking into account dynamic property, the fortune of the hybrid power system in the embodiment of the present invention
Row mode includes pure electric drive mode, increases journey drive mode, engine drive mode, combination drive mode, Brake energy recovery
Mode and power generation in parking mode.
In pure electric drive mode, the first crankshaft 41 is separated with 3 power of main reducing gear, the second crankshaft 42 and main reducing gear 3
Power separation, twin crankshaft engine 4 do not work, and generator 1 does not generate electricity, and motor 2 works.The required drive at this point, vehicle is advanced
Power drives main reducing gear 3 to provide by motor 2.Specifically, the transmission output gear of motor 2 drives the second planetary gear 9
Gear ring, the planet carrier driving reducer gear 31 of the second planetary gear 9 so that power is transferred to main reducing gear 3 makes its band
Dynamic differential mechanism 10 drives vehicle；First clutch 6 is abutted with fixed wall, and second clutch 8 is abutted with fixed wall, brake
7 are in the lock state.In vehicle travel process, when speed is lower than threshold speed, vehicle advances the torque needed less than the first torsion
When square threshold value and battery capacity are higher than the first power threshold, vehicle is controlled using pure electric vehicle drive mode.Threshold speed, first are turned round
Square threshold value and the first power threshold can be adjusted according to demand for control.For example, threshold speed can be set to 50km/h,
First torque threshold can be set to 100NM, and the first power threshold can be set to the 50% of battery total capacity, that is, work as speed
Less than 50km/h, vehicle demand torque is less than 100NM and when battery capacity is higher than 50% battery total capacity, and vehicle is in pure electricity
It is moved under drive mode.
In increasing journey drive mode, twin crankshaft engine 4 works, the work power generation of generator 1, to charge to battery；The
One crankshaft 41 is separated with 3 power of main reducing gear, and the second crankshaft 42 is separated with 3 power of main reducing gear, and motor 2 works.At this point, vehicle
The power advanced comes from motor 2, and generator 1 charges under the action of twin crankshaft engine 4.Specifically, first clutch 6
It is abutted with fixed wall, second clutch 8 is abutted with fixed wall, and brake 7 is in the unlocked state, and twin crankshaft engine 4 passes through
The engine gear of the planet carrier driven generator 1 of first crankshaft 41 and first planetary gear 5 moves, and makes the work hair of generator 1
Electricity simultaneously charges to battery, and generator 1 adjusts the traffic coverage of twin crankshaft engine 4 by adjusting the absorption power of itself in real time,
Make 4 continuous service of twin crankshaft engine in peak efficiency section.In vehicle travel process, when speed is lower than threshold speed, vehicle
The torque needed advance less than the first torque threshold and when battery capacity is lower than the first power threshold, using increasing journey drive mode control
Vehicle processed.Likewise, threshold speed, the first torque threshold and the first power threshold can be adjusted according to demand for control.
For example, threshold speed can be set to 50km/h, the first torque threshold can be set to 100NM, and the first power threshold can be with
It is set as the 50% of battery total capacity, i.e., when speed is less than 50km/h, vehicle demand torque is less than 100NM and battery capacity is low
When 50% battery total capacity, vehicle is moved in the case where increasing journey drive mode.
In engine drive mode, motor 2 does not work, and twin crankshaft engine 4 works, the first crankshaft 41 and main deceleration
Device 3 engages, and the second crankshaft 42 is separated with main reducing gear 3, and according to the electricity of battery, generator 1 selects work power generation or not work
Make.At this point, the power that vehicle is advanced is only from twin crankshaft engine 4.Specifically, first clutch 6 is connected with output gear 62,
Second clutch 8 is abutted with fixed wall, and when the electricity of battery is lower than the second power threshold, brake 7 is in the unlocked state；
When battery capacity is higher than the second power threshold, brake 7 is in the lock state.Wherein, the second power threshold is according to control need
Ask setting, for example can be set to the 70% of battery total capacity, naturally it is also possible to be set as battery total capacity 60%, 65% or
80%.Twin crankshaft engine 4 sequentially drives input gear 61, output through the planet carrier of the first crankshaft 41 and first planetary gear 5
The reducer gear 31 that gear 62, main reducing gear 3 are located at the side moves, and driving force is transferred to vehicle through differential mechanism 10.According to
The real time execution operating condition of twin crankshaft engine 4, generator 1, which adjusts own load, makes twin crankshaft engine 4 operate in efficient turn
Fast section.
In vehicle travel process, when the torque that speed is higher than threshold speed, vehicle, which is advanced, to be needed is greater than the first torque threshold
And when less than the second torque threshold, vehicle is controlled using engine drive mode.Likewise, threshold speed, the first torque threshold,
Second torque threshold can be adjusted according to demand for control.For example, threshold speed can be set to 50km/h, the first torque
Threshold value can be set to 100NM, and the second torque threshold can be set to 150NM.I.e. when speed is greater than 50km/h, vehicle is needed
When torque being asked to be greater than 100NM and be less than 150NM, vehicle moves under engine drive mode.And when battery capacity is low
When 70% battery total capacity, brake 7 is in the unlocked state, and generator 1 works hair under the drive of twin crankshaft engine 4
Electricity；When battery capacity is higher than 70% battery total capacity, brake 7 is in lockup state, and twin crankshaft engine 4 only drives master
Retarder 3, generator 1 do not work.
In combination drive mode, twin crankshaft engine 4 works, and generator 1, which adjusts own load, makes twin crankshaft engine 4
Efficient revolving speed section is operated in, the first crankshaft 41 is engaged with main reducing gear 3, and the second crankshaft 42 is engaged with main reducing gear 3, electronic
Machine 2 works.At this point, the power that vehicle is advanced is simultaneously from motor 2 and twin crankshaft engine 4.Specifically, first clutch 6
It is connected with output gear 62, second clutch 8 is connected with the second crankshaft 42, twin crankshaft engine 4 is through the first crankshaft 41, first
The planet carrier of planetary gear 5, the sun gear of first planetary gear 5, input gear 61, output gear 62 transmit power, meanwhile, it is double
Crank-axle engine 4 also provides power to main reducing gear 3 through the second crankshaft 42, the second planetary gear 9, in this way, twin crankshaft engine 4
Driving force divide two-way to be transferred to road wheel end；Motor 2 provides power to main reducing gear 3 through the second planetary gear 9.Vehicle driving
In the process, when speed is higher than threshold speed, and vehicle advances the torque needed greater than the second torque threshold, using combined drive dynamic model
Formula controls vehicle.Likewise, threshold speed, the second torque threshold can be adjusted according to design demand for control.For example, fast
Degree threshold value can be set to 50km/h, and the second torque threshold can be set to 150NM, i.e., when speed is greater than 50km/h, vehicle
Demand torque is greater than 150NM, and vehicle moves under combination drive mode, and generator 1, which adjusts own load, starts double-crankshaft
Machine 4 operates in efficient revolving speed section.
In Brake energy recovery mode, motor 2 is in power generation mode, twin crankshaft engine 4 and generator 1 not work
Make.At this point, vehicle is in braking or sliding, first clutch 6 is abutted with fixed wall, second clutch 8 and fixation wall
Face abuts, and motor 2 works under the drive of wheel in power generation mode, to realize the recycling of braking energy, and by recycling
Ability stores in the battery.The path of ability recycling is that wheel passes through the driving main reducing gear 3 of differential mechanism 10, reducer gear 31
Planet carrier of the driving force sequentially through the second planetary gear 9, the second planetary gear 9 gear ring drive the motor tooth on motor 2
Wheel, to drive the rotation power generation of motor 2.
In power generation in parking mode, twin crankshaft engine 4 works, and the work power generation of generator 1, motor 2 does not work, and first
Crankshaft 41 is separated with main reducing gear 3, and the second crankshaft 42 is separated with main reducing gear 3.At this point, vehicle stop motion, brake 7 is in
Unlocked state, first clutch 6, second clutch 8 are connect with fixed wall, and twin crankshaft engine 4 drives generator 1 to send out
Electricity.In general, vehicle uses parking when battery capacity is far below the first power threshold or in the case where there is electrical demand in the external world
Power generation mode.For example, when battery capacity lower than battery total capacity 10% or in the case where there is electrical demand in the external world, hyperbolic
Shaft generator 4 drives generator 1 to generate electricity through the first crankshaft 41, first planetary gear 5, and generator 1 is by adjusting itself load
Make the work of twin crankshaft engine 4 in optimum efficiency region.
In addition, the hybrid power system further includes start-up mode, in start-up mode, only motor 2 provides driving force, double
Crank-axle engine 4 and generator 1 do not work.
In the operation method of hybrid power system of the embodiment of the present invention, pure electric vehicle drive mode or increasing are used when low speed
Journey drive mode passes through generator 1 so that twin crankshaft engine 4 be avoided to run in low speed non-efficient section when load in middling speed
Twin crankshaft engine 4 is run in high efficiency range ensure that the real-time adjustment of the operation load of twin crankshaft engine 4, high-speed high-load
When introduce motor 2 torque compensation guarantee in large torque demand the still steady operation of twin crankshaft engine 4 in high efficiency range, from
And twin crankshaft engine 4 has been given full play in the advantage of high speed section efficient operation；In addition, being made by first planetary gear 5
Transmission ratio-variable between generator 1 and twin crankshaft engine 4, be further ensured that generator 1 work more efficient region simultaneously
Improve the conversion and utilization efficiency of energy.
The operation method of hybrid power system provided in an embodiment of the present invention, hybrid vehicle and hybrid power system into
One step has expanded the efficiency of hybrid dynamic system, improves the conversion and utilization efficiency of energy, can satisfy tightened up discharge and oil
Regulation is consumed, is had a good application prospect.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
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
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of hybrid power system, including generator, motor and main reducing gear, which is characterized in that further include double-crankshaft hair
Motivation, first planetary gear, first clutch and brake, the twin crankshaft engine are single cylinder twin crankshaft engine, including
First crankshaft and the second crankshaft, first crankshaft are connected through the first planetary gear with the generator, the first row
Star gear is connected through the first clutch with the main reducing gear, and the brake is connected with the first planetary gear, institute
It states the second crankshaft to be selectively engageable with the main reducing gear, the motor is connected with the main reducing gear.
2. hybrid power system according to claim 1, which is characterized in that the twin crankshaft engine further include piston,
First connecting rod and second connecting rod；The piston through double link piston pin simultaneously with the first connecting rod and the second connecting rod phase
Even, the first connecting rod connect through the first crank-pin with first crankshaft, the second connecting rod through the second crank-pin with it is described
Second crankshaft is connected.
3. hybrid power system according to claim 1, which is characterized in that first crankshaft and the first planet tooth
The planet carrier of wheel is connected, and the sun gear of the first planetary gear is connected through the first clutch with the main reducing gear, institute
It states generator to be connected with the gear ring of the first planetary gear, the brake is connected with the gear ring of the first planetary gear.
4. hybrid power system according to claim 3, which is characterized in that it further include intermediate gearing, the centre
Transmission device includes input gear, output gear and the first clutch, and the sun gear of the first planetary gear is coaxially set
Output wheel is set, the output wheel is engaged with the input gear, and the input gear is through the first clutch and the output
Gear is connected, and the output gear is connected with the main reducing gear.
5. hybrid power system according to claim 1, which is characterized in that further include second clutch and the second planet tooth
Wheel, second crankshaft are connected through the second clutch with second planetary gear, and the motor is through second row
Star gear is connected with the main reducing gear.
6. hybrid power system according to claim 5, which is characterized in that second crankshaft is through the second clutch
It is connected with the second planetary gear sun gear, the second planetary gear planet carrier is connected with the main reducing gear, institute
Motor is stated to be connected with the second planetary gear gear ring.
7. hybrid power system according to claim 1-6, which is characterized in that the fortune of the hybrid power system
Row mode includes pure electric drive mode, engine drive mode, combination drive mode, which further includes increasing journey to drive
The one or more of dynamic model formula, Brake energy recovery mode and power generation in parking mode；
Wherein, in the pure electric drive mode, first crankshaft is separated with the main reducing gear power, second crankshaft with
The main reducing gear power separation, the generator and the twin crankshaft engine are in off position, the motor
Work；
Wherein, in the increasing journey drive mode, the twin crankshaft engine work, the generator work power generation, described first
Crankshaft is separated with the main reducing gear power, and second crankshaft is separated with the main reducing gear power, the electric motor operation；
Wherein, in the engine drive mode, the motor does not work, the twin crankshaft engine work, and described first
Crankshaft is engaged with the main reducing gear, and second crankshaft is separated with the main reducing gear power, according to the electricity of battery；
Wherein, in combination drive mode, the twin crankshaft engine work, first crankshaft connects with the main reducing gear
It closes, second crankshaft is engaged with the main reducing gear, the electric motor operation；
In the Brake energy recovery mode, the motor is in power generation mode, the twin crankshaft engine and the power generation
Machine does not work；
In the power generation in parking mode, the twin crankshaft engine work, first crankshaft and the main reducing gear power divide
From second crankshaft is separated with the main reducing gear power, and the generator work power generation, the motor does not work.
8. hybrid power system according to claim 7, which is characterized in that in the engine drive mode, work as electricity
When pond electricity is higher than the second power threshold, the generator is in the lock state with first crankshaft, when battery capacity is lower than
When the second power threshold, the generator and first crankshaft are in the unlocked state.
9. a kind of hybrid vehicle, which is characterized in that the hybrid vehicle includes as described in claim any one of 1-8
Hybrid power system.
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| CN201910357343.6A CN110217092B (en) | 2019-04-29 | 2019-04-29 | Hybrid system and hybrid vehicle |
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| DE102016002868A1 (en) * | 2016-03-09 | 2016-11-03 | Daimler Ag | Powertrain for a hybrid vehicle |
| US20170314646A1 (en) * | 2016-04-29 | 2017-11-02 | Achates Power, Inc. | Transmissions for opposed-piston engines with two crankshafts |
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| CN1813117A (en) * | 2003-06-26 | 2006-08-02 | 冯志德 | A crank mechanism |
| US20080039259A1 (en) * | 2006-08-08 | 2008-02-14 | Gm Global Technology Operations, Inc. | Hybrid Powertrain |
| CN201367943Y (en) * | 2007-10-29 | 2009-12-23 | 福特环球技术公司 | Double-crankshaft engine having reverse rotation inertial mass and vehicle with the same |
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