CN112172507A - 一种同轴布置的增程式混动系统 - Google Patents

一种同轴布置的增程式混动系统 Download PDF

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CN112172507A
CN112172507A CN202011070965.XA CN202011070965A CN112172507A CN 112172507 A CN112172507 A CN 112172507A CN 202011070965 A CN202011070965 A CN 202011070965A CN 112172507 A CN112172507 A CN 112172507A
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battery
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王树荣
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Wuxi Mingheng Hybrid Power Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • 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
    • 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
    • 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)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

本发明涉及一种同轴布置的增程式混动系统，它包括：发动机、与所述发动机同轴布置的发电机、与所述发电机相连的输入组件和电池、与所述电池相连且与所述发电机同轴布置的驱动电机以及与所述驱动电机相连的输出组件，所述输入组件还与所述发动机相连，它具备至少以下五种工作模式：增程驱动模式、纯电驱动模式、停车充电模式、发动机启动模式和能量回收模式。本发明同轴布置的增程式混动系统，将发电机、驱动电机及齿轮副集成在合成箱内，集成度高、便于匹配安装；使用平行轴式两级减速机构，结构简单可靠；发动机与发电机耦合，实现增程发电功能；发动机与驱动系统解耦，发动机稳定工作在高效功率点，获得更高的燃油经济性，降低车辆的使用成本。

Description

一种同轴布置的增程式混动系统
技术领域
本发明属于汽车传动技术领域，具体涉及一种同轴布置的增程式混动系统。
背景技术
近些年随着国家政策的引导以及车辆排放法规的要求，各厂商推出了多种纯电动汽车。纯电动汽车由于续航里程短以及电池成本较高等问题，市场在没有政府补贴的情况下接受度较低，针对以上问题，增程式混动汽车应运而生，通过增程器发电，解决了电动车辆的里程焦虑问题。
增程式混动汽车以电能为车辆直接动力源。在电池电量低于SOC（State ofCharge）值后，发动机带动发电机发电，提供电能驱动车辆。目前市场上增程式混动系统种类单一：发动机与发电机连接，用来发电，驱动电机单独布置。缺点是集成度低；发电机与驱动电机缺少有效的减速装置，选用低速大扭矩电机，成本高。基于上述缺陷，本发明人提出本技术手段以解决现有的技术难题。
发明内容
本发明目的是为了克服现有技术的不足而提供一种同轴布置的增程式混动系统。
为达到上述目的，本发明采用的技术方案是：一种同轴布置的增程式混动系统，它包括：
发动机、与所述发动机同轴布置的发电机、与所述发电机相连的输入组件和电池、与所述电池相连且与所述发电机同轴布置的驱动电机以及与所述驱动电机相连的输出组件，所述输入组件还与所述发动机相连，它具备至少以下五种工作模式：
增程驱动模式，在车辆行驶，电池的soc值较低的工况下，发动机将动力通过输入组件传至发电机上，并将电能分配至电池和驱动电机上以驱动车辆行驶；
纯电驱动模式，在电池的soc值较高，车辆需求功率较低的工况下，仅仅驱动电机通过输出组件输出动力，驱动车辆行驶；
停车充电模式，在电池的soc值较低，车辆停车的工况下，驱动电机不工作，发动机将动力通过输入组件传至发电机，并将电能存储至电池内；
发动机启动模式，电池给发电机供电，发电机的电机转子旋转，通过输入组件将动力传至发动机，发动机启动；
能量回收模式，在车辆制动的工况下，车辆存在惯性，通过输出组件将动力传给驱动电机的转子，驱动电机发电，将电能存储在电池内，以此来回收车辆制动时的能量。
优化地，所述输入组件包括与所述发动机飞轮通过花键连接的输入齿轮轴、与所述输入齿轮轴通过齿轮相啮合的输入中间轴、通过花键支撑在所述输入中间轴上的输入二级主动齿轮以及与所述输入二级主动齿轮相啮合的输入二级从动齿轮，所述输入二级从动齿轮通过花键支撑在所述发电机的电机转子上。
优化地，所述输出组件包括通过花键支撑在所述驱动电机的电机转子上的输出主动齿轮、与所述输出主动齿轮相啮合的输出从动齿轮、通过花键以支撑所述输出从动齿轮的输出中间轴以及与所述输出中间轴通过齿轮相啮合的输出轴。
优化地，所述发电机的电机转子为空心轴设计。
优化地，所述输入齿轮轴从发电机的电机转子的中间孔内穿过。
优化地，它还包括与所述电池相连的逆变器，所述发电机与所述驱动电机均通过逆变器与所述电池相连。
优化地，所述发电机、驱动电机以及所有齿轮副均集合在合成箱内。
由于上述技术方案运用，本发明与现有技术相比具有下列优点：本发明同轴布置的增程式混动系统，将发电机、驱动电机及齿轮副集成在合成箱内，集成度高、便于匹配安装；使用平行轴式两级减速机构，结构简单、可靠；发动机与发电机耦合，实现增程发电功能；发动机与驱动系统解耦，发动机稳定工作在高效功率点，获得更高的燃油经济性，降低车辆的使用成本。
附图说明
图1为本发明同轴布置的增程式混动系统的结构示意图；
图2为本发明增程驱动模式下的能量传递路线示意图；
图3为本发明纯电驱动模式下的能量传递路线示意图；
图4为本发明停车驱动模式下的能量传递路线示意图；
图5为本发明发动机启动模式下的能量传递路线示意图；
图6为本发明能量回收模式下的能量传递示意图；
附图标记说明：
1、发动机；2、发电机；3、输入组件；31、输入齿轮轴；32、输入中间轴；33、输入二级主动齿轮；34、输入二级从动齿轮；4、电池；5、驱动电机；6、输出组件；61、输出主动齿轮；62、输出从动齿轮；63、输出中间轴；64、输出轴；7、逆变器。
具体实施方式
下面结合附图所示的实施例对本发明作进一步描述。
如图1所示，本发明同轴布置的增程式混动系统主要包括发动机1、发电机2、输入组件3、电池4、驱动电机5、输出组件6和逆变器7等。
其中发动机1通常为车辆行驶提供动力输入，发电机2与发动机1同轴布置（在本实施例中，发电机2的电机转子为空心轴设计）。输入组件3主要包括输入齿轮轴31、输入中间轴32、输入二级主动齿轮33和输入二级从动齿轮34等。输入齿轮轴31通过花键与发动机1飞轮连接，从而实现发动机1的动力输入。输入中间轴32的齿轮与输入齿轮轴31的另一端通过齿轮相啮合。输入二级主动齿轮33通过花键支撑在输入中间轴32上。输入二级从动齿轮34与输入二级主动齿轮33相啮合。
电池4与发电机2相连，驱动电机5与电池4相连且与发电机2同轴布置。输出组件6与驱动电机5相连，用于将动力输出以供车辆行驶用。输出组件6主要包括输出主动齿轮61、输出从动齿轮62、输出中间轴63和输出轴64等。输出主动齿轮61通过花键支撑在驱动电机5的电机转子上。输出从动齿轮62与输出主动齿轮61相啮合。输出中间轴63通过花键以支撑输出从动齿轮62。输出轴64的齿轮与输出中间轴63的齿轮相啮合。
逆变器7与电池4相连（逆变器7是一种将直流电转化为交流电的装置，在整个系统中用于交直流的转换）；在本实施例中，发电机2与驱动电机5均通过逆变器7与电池4相连。
进一步地，输入二级从动齿轮34通过花键支撑在发电机2的电机转子上，随着输入二级从动齿轮34的转动带动发电机2的转子转动。
进一步地，输入齿轮轴31从发电机2的电机转子的中间孔内穿过。
进一步地，所述发电机2、驱动电机5以及所有齿轮副均集合在合成箱内，集合在合成箱内，集成度高，便于匹配安装。
如图2至图6所示，所述发动机1动力与发电机2耦合，与混动箱的输出动力解耦，根据车辆的不同需求，实现至少以下五种工作模式：増程驱动模式、纯电驱动模式、停车充电模式、发动机启动模式和能量回收模式。
下面对同轴布置的增程式混动系统的工作模式进行具体的说明：
如图2所示，増程驱动模式：在车辆行驶、电池的soc值较低的工况下，发动机1带动输入齿轮轴31转动，通过输入组件3将动力传给发电机2的电机转子，发电机2发电，根据车辆功率需求及电池的soc值，并在逆变器7的作用下，将电能合理分配至电池4和驱动电机5，驱动电机5驱动车辆行驶。
如图3所示，纯电驱动模式：在电池的soc值较高，车辆需求功率较低的工况下，发动机1及发电机2不工作，驱动电机5通过输出组件6输出动力，驱动车辆行驶。
如图4所示，停车充电模式：在电池的soc值较低，车辆停车的工况下，驱动电机5不工作，发动机1带动输入齿轮轴31转动，通过输入组件3将动力传给发电机2的电机转子，发电机2发电，并在逆变器7的作用下，将电能存储在电池4内。
如图5所示，发动机启动模式：电池4给发电机2供电，发电机2的电机转子旋转，通过输入组件3将动力传给发动机1，发动机1启动。
如图6所示，能量回收模式：在车辆制动的工况下，车辆存在惯性，带动输出轴64旋转，通过输出组件6将动力传给驱动电机5的转子，驱动电机5发电，并在逆变器7的作用下，将电能存储在电池4内，回收车辆制动时的能量。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (7)

1.一种同轴布置的增程式混动系统，其特征在于，它包括：
发动机（1）、与所述发动机（1）同轴布置的发电机（2）、与所述发电机（2）相连的输入组件（3）和电池（4）、与所述电池（4）相连且与所述发电机（2）同轴布置的驱动电机（5）以及与所述驱动电机（5）相连的输出组件（6），所述输入组件还与所述发动机（1）相连，它具备至少以下五种工作模式：
增程驱动模式，在车辆行驶，电池的soc值较低的工况下，发动机（1）将动力通过输入组件（3）传至发电机（2）上，并将电能分配至电池（4）和驱动电机（5）上以驱动车辆行驶；
纯电驱动模式，在电池的soc值较高，车辆需求功率较低的工况下，仅仅驱动电机（5）通过输出组件（6）输出动力，驱动车辆行驶；
停车充电模式，在电池的soc值较低，车辆停车的工况下，驱动电机（5）不工作，发动机（1）将动力通过输入组件（3）传至发电机（2），并将电能存储至电池（4）内；
发动机启动模式，电池（4）给发电机（2）供电，发电机（2）的电机转子旋转，通过输入组件（3）将动力传至发动机（1），发动机（1）启动；
能量回收模式，在车辆制动的工况下，车辆存在惯性，通过输出组件（6）将动力传给驱动电机（5）的转子，驱动电机（5）发电，将电能存储在电池（4）内，以此来回收车辆制动时的能量。
2.根据权利要求1所述的一种同轴布置的增程式混动系统，其特征在于：所述输入组件（3）包括与所述发动机（1）飞轮通过花键连接的输入齿轮轴（31）、与所述输入齿轮轴（31）通过齿轮相啮合的输入中间轴（32）、通过花键支撑在所述输入中间轴（32）上的输入二级主动齿轮（33）以及与所述输入二级主动齿轮（33）相啮合的输入二级从动齿轮（34），所述输入二级从动齿轮（34）通过花键支撑在所述发电机（2）的电机转子上。
3.根据权利要求1所述的一种同轴布置的增程式混动系统，其特征在于：所述输出组件（6）包括通过花键支撑在所述驱动电机（5）的电机转子上的输出主动齿轮（61）、与所述输出主动齿轮（61）相啮合的输出从动齿轮（62）、通过花键以支撑所述输出从动齿轮（62）的输出中间轴（63）以及与所述输出中间轴（63）通过齿轮相啮合的输出轴（64）。
4.根据权利要求1所述的一种同轴布置的增程式混动系统，其特征在于：所述发电机（2）的电机转子为空心轴设计。
5.根据权利要求2所述的一种同轴布置的增程式混动系统，其特征在于：所述输入齿轮轴（31）从发电机（2）的电机转子的中间孔内穿过。
6.根据权利要求1所述的一种同轴布置的增程式混动系统，其特征在于：它还包括与所述电池（4）相连的逆变器（7），所述发电机（2）与所述驱动电机（5）均通过逆变器（7）与所述电池（4）相连。
7.根据权利要求1所述的一种同轴布置的增程式混动系统，其特征在于：所述发电机（2）、驱动电机（5）以及所有齿轮副均集合在合成箱内。
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