CN108715130A - 一种混合动力驱动装置 - Google Patents

一种混合动力驱动装置 Download PDF

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CN108715130A
CN108715130A CN201810695488.2A CN201810695488A CN108715130A CN 108715130 A CN108715130 A CN 108715130A CN 201810695488 A CN201810695488 A CN 201810695488A CN 108715130 A CN108715130 A CN 108715130A
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motor
engine
drive device
hybrid drive
generator
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梁艳春
张天锷
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Xinlian Power Qufu Co ltd
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Shanghai Xin Lian Kinetic Systems Inc
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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
    • B60K6/40—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 assembly or relative disposition of components
    • 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
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/442—Series-parallel switching type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

本发明涉及一种混合动力驱动装置，包括：平行轴布置的发动机及电动机，惰轮轴，经电动机驱动力传递齿轮组与电动机连接，经发动机驱动力传递齿轮组与发动机连接，差速器，经传动齿轮组与惰轮轴连接，与惰轮轴连接的第一离合器，与电动机轴连接的第二离合器。与现有技术相比，本发明不仅可以满足纯电动模式下的车速和动力性要求，还可以依靠混合动力模式实现长距离的里程需求，实现混合动力模式下的高效传动和大扭矩输出。

Description

一种混合动力驱动装置
技术领域
本发明涉及一种驱动装置，尤其是涉及一种混合动力驱动装置。
背景技术
纯电动汽车和混合动力汽车利用电能作为动力源，相比于只能依靠汽油作为动力源的传统汽车，具有节约能源，减少排放污染，更加环保等优点。在排放政策日加严厉，绿色环保势在必行的当下，新能源汽车成为汽车行业技术发展的新趋势。
当前，由于电池技术的限制，纯电动汽车很难大力普及开来，而作为兼顾纯电动和传统汽车优点的混合动力汽车成为目前最好的过渡性产品。混合动力车中所用的混合动力驱动装置也就是配有双电机的机电耦合箱，在传统汽车发动机作为动力源的基础上，增加了发电机和电动机。
中国专利201280004842.3公开了一种配有双电机的混合动力驱动装置，其发电机主要用来发电，也用来启动发动机，电动机作为驱动电机给车轮提供驱动力。在动力的传输路径上，有发动机将驱动力传至车轮，电动机将驱动力传至车轮，发动机带动发电机发电，发电机驱动力传至发动机启动发动机。装置中有切换工作模式的换挡元件离合器，离合器的闭合打开决定动力源的输入与否。该混合动力驱动装置有三种工作模式，纯电动行驶模式，此时电动机作为唯一动力源将驱动力传至车轮驱动车辆行驶。发动机工作模式，此时离合器闭合，发动机直接输出动力到车轮驱动车辆行驶。混合动力工作模式，发动机连接发电机，发电机发电供电动机输出动力驱动车辆前进。
然而，上述专利两个电机同轴布置，在汽车狭小的前机舱，轴向空间有限，同轴布置的电机，使得每个电机的性能无法达到最优，特别是匹配SUV等比较重的车型时，要想达到较高的性能指标，例如百公里加速时间、爬坡度等，需要电机具备很大的扭矩和功率，这跟电机的尺寸成正比。因此，在给SUV等大型车设计混动变速箱时，较高的车重要求很高的性能指标与有限的前机舱轴向空间无法给电机提供足够的设计余地，成为了最主要的矛盾点，是设计中最难克服的。此外，电机在持续高转速情况下会出现反电动势，转速越高，电压越高，控制器有烧坏的风险，好在该系统的电机控制器用的是定制的1200V的高压芯片，不会出现上述问题。但是在国内目前只能买到950V的电控模块，在电机持续高转速下电机控制器会烧坏。
发明内容
本发明的目的就是为了克服上述现有技术存在的缺陷而提供一种混合动力驱动装置。
本发明的目的可以通过以下技术方案来实现：
一种混合动力驱动装置，包括：
平行轴布置的发动机及电动机，
惰轮轴，经电动机驱动力传递齿轮组与电动机连接，经发动机驱动力传递齿轮组与发动机连接，
差速器，经传动齿轮组与惰轮轴连接，
与惰轮轴连接的第一离合器，
与电动机轴连接的第二离合器。
所述电动机包括发电电动机和牵引电动机。
所述发电电动机的发电机轴及牵引电动机的电动机轴均与发动机的输入轴平行布置。
所述发电电动机的转子固定于发电机轴，并与该轴一起旋转，发电电动机的定子与转子对置配置。发动机输入轴的驱动力通过发动机主从轮齿轮组带动转子旋转，由此，能够借助发电电动机将发动机的驱动力转换为电力，此外，在发动机起动时，由发电电动机的驱动力引起的发动机输入轴的旋转将动力传递至发动机，由此，能够借助发电电动机的驱动力起动发动机，
所述牵引电动机的转子固定在电动机轴上，牵引电动机的定子与转子对置配置。
所述电动机轴上的电动机主动齿轮和惰轮轴上的电动机从动齿轮啮合连接构成电动机驱动力传递齿轮组，用于将牵引动电动机的驱动力传递至惰轮轴，进而从差速器传至车轮。
所述发动机的输入轴上设有发动机主动齿轮，与惰轮轴上的电动机从动齿轮啮合连接构成发动机驱动力传递齿轮组，用于将发动机的驱动力传递至惰轮轴。
所述惰轮轴上设有二级减速主动齿轮，与差速器上设置的差速器输出齿轮啮合连接构成传动齿轮组，第一离合器闭合，此时，传动齿轮组用于将惰轮轴的驱动力从差速器传递至车轮。
在纯电动驱动模式时，第一离合器打开，切断发动机的动力输出，由电动机通过减速齿轮输出动力。在中低速行驶时采用纯电动模式达到零油耗，零排放。在发动机驱动模式时，控制第一离合器闭合，发动机动力输出至齿轮驱动车辆，同时带动发电机发电，此时第二离合器断开电动机的动力，防止电动机转速过高升压对控制器造成损坏。这种工作模式只有在车速较高时，即发动机工作在最省油最高效区间时才启动发动机直接输出动力。在混合动力模式时，第一离合器打开，发动机没有直接输出动力，而是带动发电机发电，电动机提供驱动力驱动车辆行驶，这种工作模式在车辆急加速时能够提供非常即时的动力输出，在保证了动力性的同时降低油耗。
与现有技术相比，本发明采用双电机平行布置，可以给电机预留足够的轴向尺寸，可以发挥电机的最大性能；驱动电机前加离合器，在电动机高速运转时可以切断电动机的动力，防止因电机长时间高转速工作导致反电动势过高造成电机控制器的损坏，避免电机控制器烧坏风险。另外本发明结构紧凑，集成多种工作模式，不仅可以满足大中型SUV纯电动模式下的车速和动力性要求，还可以依靠混合动力模式实现长距离的里程需求，实现混合动力模式下的高效传动和大扭矩输出，可以同时满足深度混合动力系统和插电混合动力系统的使用要求。
附图说明
图1为本发明的结构示意图。
图中，1-发动机、2-发动机输入轴、3-发电机轴、3a-发电机主动齿轮、3b-发电机从动齿轮、4-惰轮轴、4a-发动机主动齿轮、4b-电动机从动齿轮、4c-电动机主动齿轮、5-电动机轴、5a-二级减速主动齿轮、5b-差速器输出齿轮、6-电动机定子、7-电动机转子、8-发电机定子、9-发电机转子、EM1-发电机、EM2-电动机、C1-第一离合器、C2-第二离合器、Diff-差速器。
具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明，但不以任何形式限制本发明。应当指出的是，对本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进。这些都属于本发明的保护范围。
实施例
一种混合动力驱动装置，其结构如图1所示，包括作为驱动源的发动机1；发电机EM1(第1电动机)，其主要用于进行发电；以及牵引电动机EM2(第2电动机)，其主要用于进行对车辆的驱动。
发电机EM1包括有发电机转子9和发电机定子8，发电机转子9固定于发电机轴3并与该轴一体地旋转，发电机定子8与发电机转子9对置配置。发动机轴2的驱动力通过齿轮传递到发电机轴3带动发电机转子9旋转。由此，能够借助发电机EM1将发动机1的驱动力转换为电力。此外，在发动机启动时，由发电机EM1的驱动力引起的发动机输入轴2的旋转将动力传递至发动机1。由此，能够借助发电机EM1的驱动力起动发动机1。
电动机EM2包括有其具备电动机转子7和电动机定子6，电动机转子7固定于电动机轴5上，电动机定子6与电动机转子7对置配置。由电动机轴5上的电动机主动齿轮4c和惰轮轴4上的电动机从动齿轮4b构成了电动机驱动力传递齿轮组，电动机驱动力传递齿轮组用于将电动机EM2的驱动力传递至惰轮轴4，进而从差速器Diff传至车轮。
此外，发动机1的一侧设置有发动机主动齿轮4a，与惰轮轴4上的电动机从动齿轮4b啮合。由发动机输入轴2上的发动机主动齿轮4a和惰轮轴4上的电动机从动齿轮4b构成了发动机驱动力传递齿轮组，发动机驱动力传递齿轮组用于将发动机1的驱动力传递至惰轮轴4。第一离合器C1闭合，此时，由惰轮轴4上的二级减速主动齿轮5a和差速器输出齿轮5b构成传动齿轮组，传动齿轮组用于将惰轮轴4的驱动力从差速器Diff传递至车轮。
在纯电动驱动模式时，第一离合器打开，切断发动机的动力输出，由电动机通过减速齿轮输出动力。在中低速行驶时采用纯电动模式达到零油耗，零排放。在发动机驱动模式时，控制第一离合器闭合，发动机动力输出至齿轮驱动车辆，同时带动发电机发电，此时第二离合器断开电动机的动力，防止电动机转速过高升压对控制器造成损坏。这种工作模式只有在车速较高时，即发动机工作在最省油最高效区间时才启动发动机直接输出动力。在混合动力模式时，第一离合器打开，发动机没有直接输出动力，而是带动发电机发电，电动机提供驱动力驱动车辆行驶，这种工作模式在车辆急加速时能够提供非常即时的动力输出，在保证了动力性的同时降低油耗。
以上，对本发明的实施方式进行了说明，但本发明并不限定于上述实施方式，其能够在权利要求书以及说明书和附图中记载的技术思想的范围内进行各种变更。由上可以看出，由于将两个电机平行轴布置，使得系统轴向更加紧凑。
当然上述实例只是为了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。凡根据本发明主要技术方案的精神实质所做的等效变换或修饰，都应涵盖在本发明的保护范围之内。

Claims (8)

1.一种混合动力驱动装置，其特征在于，该装置包括：
平行轴布置的发动机及电动机，
惰轮轴，经电动机驱动力传递齿轮组与电动机连接，经发动机驱动力传递齿轮组与发动机连接，
差速器，经传动齿轮组与惰轮轴连接，
与惰轮轴连接的第一离合器，
与电动机轴连接的第二离合器。
2.根据权利要求1所述的一种混合动力驱动装置，其特征在于，所述电动机包括发电电动机和牵引电动机。
3.根据权利要求2所述的一种混合动力驱动装置，其特征在于，所述发电电动机的发电机轴及牵引电动机的电动机轴均与发动机的输入轴平行布置。
4.根据权利要求3所述的一种混合动力驱动装置，其特征在于，所述发电电动机的转子固定于发电机轴，并与该轴一起旋转，发电电动机的定子与转子对置配置。
5.根据权利要求3所述的一种混合动力驱动装置，其特征在于，所述牵引电动机的转子固定在电动机轴上，牵引电动机的定子与转子对置配置。
6.根据权利要求3所述的一种混合动力驱动装置，其特征在于，所述电动机轴上的电动机主动齿轮和惰轮轴上的电动机从动齿轮啮合连接构成电动机驱动力传递齿轮组。
7.根据权利要求3所述的一种混合动力驱动装置，其特征在于，所述发动机的输入轴上设有发动机主动齿轮，与惰轮轴上的电动机从动齿轮啮合连接构成发动机驱动力传递齿轮组。
8.根据权利要求1所述的一种混合动力驱动装置，其特征在于，所述的惰轮轴上设有二级减速主动齿轮，与差速器上设置的差速器输出齿轮啮合连接构成传动齿轮组。
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