CN113580915A - Special power device for hybrid vehicle - Google Patents

Special power device for hybrid vehicle Download PDF

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Publication number
CN113580915A
CN113580915A CN202111032606.XA CN202111032606A CN113580915A CN 113580915 A CN113580915 A CN 113580915A CN 202111032606 A CN202111032606 A CN 202111032606A CN 113580915 A CN113580915 A CN 113580915A
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CN
China
Prior art keywords
gear
motor
power
vehicle
engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111032606.XA
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Chinese (zh)
Inventor
马静
柴召朋
甄帅
李晓宇
袁小星
邴纪秋
刘晓宁
王墨
张鹏
袁志强
贾海涛
冯时
谭望
于涛
冯咏军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Dongan Automotive Engine Manufacturing Co Ltd
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Harbin Dongan Automotive Engine Manufacturing Co Ltd
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Publication date
Application filed by Harbin Dongan Automotive Engine Manufacturing Co Ltd filed Critical Harbin Dongan Automotive Engine Manufacturing Co Ltd
Priority to CN202111032606.XA priority Critical patent/CN113580915A/en
Publication of CN113580915A publication Critical patent/CN113580915A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—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
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

A special power device for a hybrid power vehicle belongs to the technical field of hybrid power vehicles. The invention aims to solve the problem that the fuel consumption of an automobile can be effectively saved by selecting different working modes according to different working condition requirements of the automobile. The engine crankshaft is connected with one end of a transmission input shaft, the other end of the transmission input shaft is connected with a rotor shaft of the EM motor through a planetary gear train, a C clutch is arranged between the planetary gear train and a driving gear, the driving gear is meshed with a transmission gear, and the transmission gear is respectively connected with the EM motor and a differential. The invention realizes multiple driving modes of a pure electric mode, a series mode, a parallel mode and an energy recovery mode through the control of one clutch, the vehicle can select different working modes according to the working condition requirement to meet the requirement of the vehicle, and simultaneously, the hybrid power system and the engine can be in an efficient working area.

Description

Special power device for hybrid vehicle
Technical Field
The invention belongs to the technical field of hybrid vehicles, and particularly relates to a special power device for a hybrid vehicle.
Background
In recent years, with the shortage of global petroleum resources and increasingly strict national oil consumption and emission regulations, the demand for researching more environment-friendly, efficient and energy-saving automobile power systems is urgent. The hybrid vehicle is a branch of new energy technology, has the advantages of better fuel economy, low emission and the like, and becomes a competitive research and development novel vehicle. The research and development of the driving device of the hybrid vehicle integrates various new technologies, including key technologies such as hybrid configuration analysis, parameter matching, energy-saving analysis, battery technology and motor electric control technology, and basically covers general key technologies in the research and development process of most other new energy vehicles. The hybrid power system can enable the engine to operate in a high-efficiency area mainly through the coordinated work of the motor, so that the efficiency of the whole system is improved, and the hybrid power system is low in cost, light in weight and compact in structure.
Therefore, providing a fuel-saving device with better use effect and capable of saving the fuel consumption of the automobile more effectively is a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
The present invention has been developed in order to solve the problem of effectively saving fuel consumption of a vehicle by selecting different operation modes according to different requirements of vehicle operating conditions, and a brief summary of the present invention is provided below to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to determine the key or critical elements of the present invention, nor is it intended to limit the scope of the present invention.
The technical scheme adopted by the invention is as follows: a special power device for a hybrid vehicle comprises an engine, an EM1 motor, an EM2 motor, a C1 clutch, a driving gear, a transmission gear, a differential and a transmission input shaft; the engine crankshaft is connected with one end of a transmission input shaft, the other end of the transmission input shaft is connected with a rotor shaft of an EM2 motor through a planetary gear train, a C1 clutch is arranged between the planetary gear train and a driving gear, the driving gear is meshed with a transmission gear, and the transmission gear is respectively connected with the EM1 motor and a differential.
Compared with the prior art, the invention has the following beneficial effects:
the invention has simple structure, reasonable design and relatively low cost, realizes multiple driving modes of a pure electric mode, a series mode, a parallel mode and an energy recovery mode by controlling one clutch based on a simple planet row structure and a transmission part of a mature product in the market, can select different working modes to meet the requirements of the vehicle according to the working condition requirements, and can ensure that a hybrid power system and an engine are in an efficient working area. The fuel consumption performance of the whole vehicle can be improved, the purposes of energy conservation and emission reduction are achieved, and the emission regulation which is gradually tightened is met.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic axial view of the present invention;
wherein: 1. an engine; 2. a shock absorber; 3. an EM2 electric machine; 4. an EM1 electric machine; 5. a sun gear; 6. a planetary gear; 7. a planet carrier; 8. an outer ring gear; 9. a C1 clutch; 10. an output shaft; 11. a drive gear; 12. a transmission gear; 13. an output shaft gear; 14. a motor gear; 15. a main reduction gear; 16. a differential mechanism; 17. a main bearing; 18. a transmission input shaft; 19. a first axis; 20. a second axis; 21. a third axis; 22. a fourth axis.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and provides a power device special for a hybrid vehicle, which comprises an engine 1, an EM2 motor 3, an EM1 motor 4, a C1 clutch 9, a driving gear 11, a transmission gear 12, a differential 16 and a transmission input shaft 18; the crankshaft of the engine 1 is connected with one end of a transmission input shaft 18, the other end of the transmission input shaft 18 is connected with a rotor shaft of an EM2 motor 3 through a planetary gear train, a C1 clutch 9 is arranged between the planetary gear train and a driving gear 11, the driving gear 11 is in meshing connection with a transmission gear 12, and the transmission gear 12 is respectively connected with an EM1 motor 4 and a differential 16.
In the present embodiment, the EM1 motor 4 and the EM2 motor 3 stator are mounted on the transmission case.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1, and the present embodiment further defines the planetary gear train described in the first embodiment, and in the present embodiment, the planetary gear train includes a sun gear 5, a pinion gear 6, a carrier 7, and an outer ring gear 8; the transmission input shaft 18 is connected with the planet carrier 7, the sun gear 5, the planet gear 6 and the outer gear ring 8 are sequentially arranged on the planet carrier 7 in a gear meshing fit mode, the outer gear ring 8 is fixedly connected with the shell, the planet carrier 7 is arranged on an inner hub of the C1 clutch 9, an outer ring of the C1 clutch 9 is connected with the driving gear 11, and a rotor shaft of the EM2 motor 3 is arranged on the sun gear 5. Other components and connection modes are the same as those of the first embodiment.
In this embodiment, the connection mode of the external gear ring 8 and the housing includes but is not limited to spline connection, brake connection, one-way clutch connection, and the like.
In this embodiment, the input shaft 18 may be connected to the outer ring gear 8, and the planet carrier 7 is fixedly connected to the housing.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1, and the present embodiment further defines the first or second specific embodiments, in the present embodiment, the transmission gear 12 is engaged with the motor gear 14, the motor gear 14 is connected with the rotor of the EM1 motor 4, the transmission gear 12 is installed on one end of the output shaft 10, the output shaft gear 13 is installed on the other end of the output shaft 10, the output shaft gear 13 is engaged with the main reduction gear 15, and the main reduction gear 15 and the differential 16 are coaxially arranged. Other components and connection modes are the same as those of the first or second embodiment modes.
In the fourth embodiment, the third embodiment is further defined by referring to fig. 1 to 2, the transmission input shaft 18 is arranged on a first axis 19, the output shaft 10 is arranged on a second axis 20, the main reduction gear 15 and the differential 16 are arranged on a third axis 21, the rotor of the EM1 motor 4 is arranged on a fourth axis 22, and the first axis 19, the second axis 20, the third axis 21 and the fourth axis 22 are sequentially arranged in parallel with one another. The composition and the connection mode are the same as those of the third embodiment.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1, and the present embodiment further defines a fourth specific embodiment, and in the present embodiment, the hybrid vehicle-dedicated power unit further includes a damper 2 and a main bearing 17; the damper 2 is connected between a crankshaft of the engine 1 and one end of a transmission input shaft 18 of the transmission, and the driving gear 11 is sleeved on the transmission input shaft 18 through a main bearing 17. The other components and the connection mode are the same as those of the fourth embodiment.
In the present embodiment, the damper 2 installed between the carrier 7 and the engine 1 may be replaced with a clutch of a type including, but not limited to, a wet clutch, an electromagnetic clutch, and the like.
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Table 1 the drive device of the hybrid vehicle includes an operation mode table
Mode of operation C1 clutch Engine EM2 motor EM1 motor
Pure electric mode Disconnect Not working Not working Drive the
Series mode Disconnect Work by Power generation Drive the
Parallel mode Bonding of Work by Generating/driving Generating/driving
Parking power generation Disconnect Work by Power generation Not working
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 1, and the present embodiment is further limited to a fifth embodiment, in which when the power unit is in the electric only mode: the C1 clutch 9 does not work, the engine 1 does not work, and the power of the vehicle is provided by the work of the EM1 electric machine 4; the power flow path is that, EM1 motor 4 and motor gear 14 fixed connection carry out gear engagement with drive gear 12 on the output shaft 10, power transmission to output shaft 10, again through output shaft gear 13 through gear engagement transmit to main reducing gear 15 and differential 16, then reach the vehicle department, according to the speed of a vehicle and the torque demand of vehicle, adjust the operating mode point of EM1 motor 4 in order to satisfy the vehicle demand, because EM1 motor 4 itself possesses the operating characteristic of just reversing, according to the vehicle demand condition, can realize the function of the advancing gear and the reverse gear of vehicle. The other components and the connection mode are the same as the fifth embodiment mode.
In this embodiment, under pure electric mode, EM1 motor 3 reduces the highest rotational speed requirement of motor design through the second grade speed reduction to can promote the power performance of car. .
The seventh embodiment: the present embodiment is described with reference to fig. 1, and is further limited to the fifth embodiment, in the present embodiment, when the power plant is in the series mode, the C1 clutch 9 is not operated, the power of the vehicle is provided by the operation of the EM1 electric machine 4, the power flow path is the same as that of the pure electric mode, the engine 1 is operated in the high-efficiency region, the power of the engine 1 is transmitted by the crankshaft, reaches the transmission input shaft 18 and the planet carrier 7 through the damper 2, the power transmission path of the planetary gear mechanism is transmitted to the sun gear 5 from the planet carrier 7 due to the fixation of the external ring gear 8, the EM2 electric machine 3 is driven by the sun gear 5 to generate electricity, and the electric energy is supplied to the operation of the EM1 electric machine 4. The other components and the connection mode are the same as the fifth embodiment mode.
In the embodiment, because the engine 1 only bears the power generated by the EM2 motor 4, the load is small, and the engine 1 can be set in a high-efficiency working area to generate power through the planetary row design speed increase, so that the efficiency of the engine 1 is improved, and the fuel economy of the whole vehicle is improved.
The specific implementation mode is eight: the present embodiment will be described with reference to fig. 1, which further defines a fifth embodiment wherein the C1 clutch 9 is engaged when the power plant is in the parallel operating mode; the power of the vehicle is mainly provided by the work of the engine 1, the EM2 motor 3 selects to drive or generate power according to the requirement of the whole vehicle and the working condition of the engine 1, the working condition of the engine 1 is adjusted, the engine 1 is in a better fuel consumption area, according to the structural characteristics of a driving device, the power of the engine 1 passes through the planet carrier 7, due to the working combination of the C1 clutch 9, the rotating speed and the torque of the planet carrier 7 are directly transmitted to the driving gear 11, the driving gear 11 is meshed with the transmission gear 12, the power is transmitted to the output shaft 10, then the power is transmitted to the main reduction gear 15 and the differential 16 through the output shaft gear 13 and the gear meshing, and then the power reaches the vehicle. The other components and the connection mode are the same as the fifth embodiment mode.
The specific implementation method nine: the embodiment is described with reference to fig. 1, and is further limited to a fifth specific embodiment, in the embodiment, when the power plant is in an energy recovery mode, during deceleration of a vehicle, the C1 clutch 9 is not operated, power of the engine 1 is disconnected from wheels, the EM1 electric machine 4 stops driving, the wheels are transmitted to the main reduction gear 15 through the differential 16, the main reduction gear 15 is meshed and transmitted to the output shaft gear 13, the output shaft gear 13 is transmitted to the transmission gear 12 through the output shaft 10, the transmission gear 12 is meshed with the electric machine gear 14, power is transmitted to the rotor of the EM1 electric machine 4 through the electric machine gear 14, the rotor of the EM1 electric machine 4 generates counter electromotive force through rotation, a battery is charged, and part of mechanical energy during deceleration is converted into electric energy by the EM1 electric machine 4 and stored in the battery, so as to realize energy recovery of part of the mechanical energy. The other components and the connection mode are the same as the fifth embodiment mode.
The detailed implementation mode is ten: the embodiment is described with reference to fig. 1, and is further limited to the fifth embodiment, in the embodiment, when the power plant is in the parking/parking power generation mode, when the vehicle is stopped, the EM2 motor 3 may be controlled to start the engine 1 according to the motion characteristics of the power splitting mechanism and the planetary gear train, and when the engine 1 is started, the EM2 motor 3 is dragged to operate to start to generate power, and the electric energy is distributed into the battery system through the energy management system, so as to realize the battery charging function. The other components and the connection mode are the same as the fifth embodiment mode.
The power device is not provided with a mechanical reverse gear; under the selectable pure electric mode, the function of controlling the positive and negative rotation of the motor to realize the reverse gear of the vehicle is controlled according to the running characteristic of the motor.
The kinematics and dynamics of the power distribution mechanism of the power device and the energy efficiency of neglecting system transmission
The relative speed and torque relationship may be expressed as follows:
n1+λn3-1+λn2＝0
T1+T2+T3＝0
T1:T2:T3＝1:-(1+λ):λ
n1 is the rotation speed of the sun gear 4, n2 is the rotation speed of the planet carrier 7, and n3 is the rotation speed of the outer ring gear 6;
t1 is the torque of the sun gear 4, T2 is the torque of the carrier 7, T3 is the torque of the outer ring gear 6;
λ ═ Z3/Z1, Z1 and Z3 are the number of teeth of the sun gear 5 and the outer ring gear 8, respectively;
it is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. A special power device for a hybrid vehicle is characterized in that: the transmission comprises an engine (1), an EM2 motor (3), an EM1 motor (4), a C1 clutch (9), a driving gear (11), a transmission gear (12), a differential (16) and a transmission input shaft (18); the engine (1) crankshaft is connected with one end of a transmission input shaft (18), the other end of the transmission input shaft (18) is connected with a rotor shaft of an EM2 motor (3) through a planetary gear train, a C1 clutch (9) is arranged between the planetary gear train and a driving gear (11), the driving gear (11) is meshed and connected with a transmission gear (12), and the transmission gear (12) is respectively connected with the EM1 motor (4) and a differential mechanism (16).
2. The hybrid vehicle-specific power unit according to claim 1, characterized in that: the planetary gear train comprises a sun gear (5), a planetary gear (6), a planet carrier (7) and an outer gear ring (8); transmission input shaft (18) is connected the installation with planet carrier (7), and sun gear (5), planetary gear (6) and outer ring gear (8) gear engagement cooperation in proper order are installed on planet carrier (7), and outer ring gear (8) link firmly with the casing, and planet carrier (7) set up on the interior hub of C1 clutch (9), and C1 clutch (9) outer lane is connected the installation with drive gear (11), and the rotor shaft setting of EM2 motor (3) is on sun gear (5).
3. The hybrid vehicle-specific power unit according to claim 2, characterized in that: the transmission gear (12) is meshed with a motor gear (14), the motor gear (14) is connected with an EM1 motor (4) rotor, the transmission gear (12) is installed on one end of an output shaft (10), an output shaft gear (13) is installed at the other end of the output shaft (10), the output shaft gear (13) is meshed with a main reduction gear (15), and the main reduction gear (15) and a differential (16) are coaxially arranged.
4. The hybrid vehicle-specific power unit according to claim 3, characterized in that: the transmission is characterized in that the transmission input shaft (18) is arranged on a first axis (19), the output shaft (10) is installed on a second axis (20), the main reduction gear (15) and the differential (16) are arranged on a third axis (21), the rotor of the EM1 motor (4) is installed on a fourth axis (22), and the first axis (19), the second axis (20), the third axis (21) and the fourth axis (22) are sequentially arranged in parallel.
5. The hybrid vehicle-specific power unit according to claim 2 or 4, characterized in that: the special power device for the hybrid power vehicle further comprises a shock absorber (2) and a main bearing (17); the damper (2) is connected and arranged between a crankshaft of the engine (1) and one end of a transmission input shaft (18) of the transmission, and the driving gear (11) is sleeved on the transmission input shaft (18) through a main bearing (17).
6. The hybrid vehicle-specific power unit according to claim 5, characterized in that: when the power plant is in a purely electric mode: the C1 clutch (9) does not work, the engine (1) does not work, and the power of the vehicle is provided by the work of the EM1 motor (4); the power flow path is that, EM1 motor (4) and motor gear (14) fixed connection, carry out gear engagement with drive gear (12) on output shaft (10), power transmission to output shaft (10), pass through output shaft gear (13) again and pass through gear engagement and transmit main reducing gear (15) and differential mechanism (16), then reach the vehicle department, according to the speed of a vehicle and the torque demand of vehicle, adjust the operating mode point of EM1 motor (4) in order to satisfy the vehicle demand, because EM1 motor (4) itself possesses the operating characteristic of just reversing, according to the vehicle demand condition, can realize the function of advancing the shelves and reversing gears of vehicle.
7. The hybrid vehicle-specific power unit according to claim 5, characterized in that: when the power device is in a series mode, the C1 clutch (9) does not work, the power of a vehicle is provided by the work of the EM1 motor (4), the power flow path is the same as that of a pure electric mode, the engine (1) works in a high-efficiency area, the power of the engine (1) is transmitted by a crankshaft and reaches the input shaft (18) of the transmission and the planet carrier (7) through the shock absorber (2), the power of the planet carrier (7) is transmitted to the sun gear (5) due to the fact that the outer gear ring (8) is fixed, the EM2 motor (3) is driven by the sun gear (5) to generate electricity, and the electricity is supplied to the EM1 motor (4) to work.
8. The hybrid vehicle-specific power unit according to claim 5, characterized in that: when the power plant is in a parallel operating mode, the C1 clutch (9) is operatively engaged; the power of the vehicle is mainly provided by the work of an engine (1), an EM2 motor (3) selects to drive or generate power according to the requirement of the whole vehicle and the working condition of the engine (1), the working condition of the engine (1) is adjusted, the engine (1) is in a better fuel consumption area, according to the structural characteristics of a driving device, the power of the engine (1) passes through a planet carrier (7), the rotating speed and the torque of the planet carrier (7) are directly transmitted to a driving gear (11) due to the work combination of a C1 clutch (9), the driving gear (11) is meshed with a transmission gear (12), the power is transmitted to an output shaft (10), and then is transmitted to a main reduction gear (15) and a differential (16) through the gear meshing of an output shaft (13) and then reaches the vehicle.
9. The hybrid vehicle-specific power unit according to claim 5, characterized in that: when the power device is in an energy recovery mode, in the process of vehicle deceleration, the C1 clutch (9) does not work, the power of the engine (1) is disconnected with wheels, the EM1 motor (4) stops driving work, the wheels are transmitted to the main reduction gear (15) through the differential (16), the main reduction gear (15) is meshed and transmitted to the output shaft gear (13), the output shaft gear (13) is transmitted to the transmission gear (12) through the output shaft (10), the transmission gear (12) is meshed with the motor gear (14), the power is transmitted to the rotor of the EM1 motor (4) through the motor gear (14), the rotor of the EM1 motor (4) rotates to generate counter electromotive force, a battery is charged, part of mechanical energy in the deceleration process is converted into electric energy through the EM1 motor (4), and the electric energy is stored in the battery, and energy recovery of part of the mechanical energy is realized.
10. The hybrid vehicle-specific power unit according to claim 5, characterized in that: when the power device is in a parking/parking power generation mode and a vehicle stops, the EM2 motor (3) can be controlled to start the engine (1) according to the motion characteristics of the power distribution mechanism and the planetary gear train, the EM2 motor (3) is dragged to operate to start working and generating power after the engine (1) is started, and electric energy is distributed to enter a battery system through an energy management system to realize the function of charging the battery.
CN202111032606.XA 2021-09-03 2021-09-03 Special power device for hybrid vehicle Pending CN113580915A (en)

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