CN108482097A - 一种车用混合动力装置及其工作方法 - Google Patents

一种车用混合动力装置及其工作方法 Download PDF

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CN108482097A
CN108482097A CN201810539624.9A CN201810539624A CN108482097A CN 108482097 A CN108482097 A CN 108482097A CN 201810539624 A CN201810539624 A CN 201810539624A CN 108482097 A CN108482097 A CN 108482097A
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motor
axis
planet row
meshing gear
brake
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苏亮
齐晓云
林银聚
王喜明
吴国兵
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Xiamen King Long United Automotive Industry Co Ltd
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Xiamen King Long United Automotive Industry 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
    • B60K6/22—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
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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

Abstract

本发明公开的是一种车用混合动力装置，主要包括发动机、扭转减震器、第一电机、制动器、车身、行星排、第二电机、第一啮合齿轮、第二啮合齿轮、第一轴、第二轴、第三轴、第四轴；第一电机和第二电机都具有发电和电动两种状态，装置通过采用行星排机构和1个制动器组合执行动作，能够实现单电机纯电动驱动、双电机纯电动驱动、混合动力驱动、制动回馈四种工作状态，以适用车辆不同的运行工况。本发明结构简单，易于制造，便于装配，能够降低系统成本，同时，本系统的可靠性好，便于维护，能够显著降低使用成本。

Description

一种车用混合动力装置及其工作方法
技术领域
本发明涉及车辆混合动力驱动系统领域，更具体地说是一种车用混合动力装置及其工作方法。
背景技术
车用混合动力总成的发展趋势是高集成度和高电气化。现有混合动力系统中采用行星齿轮的功率分流构型，但大多只能实现单电机纯电动驱动和混联驱动，而不能实现发动机直接驱动。在混联混合动力装置中，如何实现双电机纯电动驱动，是一个比较困难的技术问题。
中国专利授权公告号为：CN105253006B公开的一种车用双模混合动力驱动装置，该发明专利采用行星排机构配合制动器、第一离合器、第二离合器实现单电机纯电动驱动、双电机纯电动驱动、混合动力驱动、发动机单独驱动以及制动回馈等五种工作方式，实现发动机单独驱动工作模式可由多种方式来实现，有效地降低了能耗和生产成本。
但是，该方案中的行星齿轮构型一般电机的转子轴为同轴空心轴结构，输入轴穿过所述电机的空心转子轴，不仅不容易维修，也不易于工程加工，而且也不利于系统装配，系统的可靠性比较差。
发明内容
本发明公开的是一种车用混合动力装置及其工作方法，其主要目的在于克服现有技术存在的上述不足和缺点。
本发明采用的技术方案如下：
一种车用混合动力装置，包括发动机、扭转减震器、制动器、车身、第一轴、第二轴、第三轴、第四轴、行星排、第一啮合齿轮、第二啮合齿轮、第一电机以及第二电机；
所述行星排包括行星排太阳轮、行星排行星轮、行星排行星架以及行星排齿圈；
所述第一电机的转子轴与所述第二轴连接，所述第一啮合齿轮与所述行星排太阳轮相啮合连接，所述第一电机、第二轴以及第一啮合齿轮为一体结构；
所述第二电机的转子轴与所述第三轴连接，所述第二啮合齿轮与所述行星排齿圈相啮合连接，所述第二电机、第三轴以及第二啮合齿轮为一体结构；
所述制动器的一端与所述行星排行星架的前端相固定连接，该制动器的另一端与所述车身相连接设置；
所述第一轴为所述发动机的动力输出轴，该第一轴的一端连接所述扭转减震器，另一端与所述制动器的一端相连接，所述制动器的另一端与所述行星排行星架相连接；
所述第二轴的两端分别与所述第一电机的转子轴和所述第一啮合齿轮相连接；
所述第三轴的两端分别与所述第二电机的转子轴和所述第二啮合齿轮相连接；
所述第四轴为输出轴，与所述行星排齿圈相连接。
更进一步，所述第一电机和第二电机采用的是电动和发电一体机。
更进一步，所述第三轴通过花键与所述第二啮合齿轮相连接。
一种车用混合动力装置的工作方法，
在单电机纯电动驱动方式下：所述制动器松开，所述发动机不工作，所述第一电机也不工作，所述第二电机以电动机方式工作，第二电机的输出动力经过所述第三轴输出，再经过所述第二啮合齿轮之后通过所述第四轴输出；
在双电机纯电动驱动方式下：所述制动器制动，所述行星排行星架锁止，所述发动机不工作，所述第一轴和所述行星排行星架被固定，所述第一电机以电动机方式工作，所述第二电机以电动机方式工作，上述两个电动机的输出动力耦合后经过所述第四轴输出；
在混合动力驱动方式下：所述制动器松开，所述发动机工作，所述第一电机以发电机方式工作，所述第二电机以电动机方式工作，所述发动机的部分动力直接通过所述行星排齿圈输出，再通过所述第四轴输出；所述第二电机动力经过所述第二啮合齿轮之后，通过所述第四轴输出；
在制动回馈方式下：所述第二电机以发电机方式工作，回收车辆制动动能。
通过上述对本发明的描述可知，和现有技术相比，本发明的优点在于：
本发明采用平行轴结构，由三个输入轴和一个输出轴组成，改变了现有技术中同轴空心轴结构，利用单个行星排机构配合制动器实现单电机纯电动驱动、双电机纯电动驱动、混合动力驱动以及制动回馈等四种工作方式。本方案结构简单，易于制造，便于装配，能够降低系统成本，同时，本系统的可靠性好，便于维护，能够显著降低使用成本。
附图说明
图1是本发明的结构示意图。
图中：
具体实施方式
下面参照附图说明来进一步地说明本发明的具体实施方式。
如图1所示，一种车用混合动力装置，包括发动机1、扭转减震器2、制动器3、车身4、第一轴5、第二轴8、第三轴11、第四轴13、行星排6、第一啮合齿轮10、第二啮合齿轮7、第一电机12以及第二电机9；
所述行星排6包括行星排太阳轮61、行星排行星轮63、行星排行星架62以及行星排齿圈64；
所述第一电机12的转子轴与所述第二轴8连接，所述第一啮合齿轮10与所述行星排太阳轮61相啮合连接，所述第一电机12、第二轴8以及第一啮合齿轮10为一体结构；
所述第二电机9的转子轴与所述第三轴11连接，所述第二啮合齿轮7与所述行星排齿圈64相啮合连接，所述第二电机9、第三轴11以及第二啮合齿轮7为一体结构；
所述制动器的3一端与所述行星排行星架62的前端相固定连接，该制动器3的另一端与所述车身4相连接设置；
所述第一轴5为所述发动机1的动力输出轴，该第一轴5的一端连接所述扭转减震器2，另一端与所述制动器3的一端相连接，所述制动器3的另一端与所述行星排行星架62相连接；
所述第二轴8的两端分别与所述第一电机12的转子轴和所述第一啮合齿轮10相连接；
所述第三轴11的两端分别与所述第二电机9的转子轴和所述第二啮合齿轮7相连接；
所述第四轴13为输出轴，与所述行星排齿圈64相连接。
更进一步，所述第一电机12和第二电机9采用的是电动和发电一体机。
更进一步，所述第三轴11通过花键与所述第二啮合齿轮7相连接。
一种车用混合动力装置的工作方法，
在单电机纯电动驱动方式下：所述制动器3松开，所述发动机1不工作，所述第一电机12也不工作，所述第二电机9以电动机方式工作，第二电机9的输出动力经过所述第三轴11输出，再经过所述第二啮合齿轮7之后通过所述第四轴13输出；
在双电机纯电动驱动方式下：所述制动器3制动，所述行星排行星架62锁止，所述发动机1不工作，所述第一轴5和所述行星排行星架62被固定，所述第一电机12以电动机方式工作，所述第二电机9以电动机方式工作，上述两个电动机（12、9）的输出动力耦合后经过所述第四轴13输出；
在混合动力驱动方式下：所述制动器3松开，所述发动机1工作，所述第一电机12以发电机方式工作，所述第二电机9以电动机方式工作，所述发动机1的部分动力直接通过所述行星排齿圈64输出，再通过所述第四轴13输出；所述第二电机9动力经过所述第二啮合齿轮10之后，通过所述第四轴13输出；
在制动回馈方式下：所述第二电机9以发电机方式工作，回收车辆制动动能。
本发明采用平行轴结构，由三个输入轴和一个输出轴组成，改变了现有技术中同轴空心轴结构，利用单个行星排机构配合制动器实现单电机纯电动驱动、双电机纯电动驱动、混合动力驱动以及制动回馈等四种工作方式。本方案结构简单，易于制造，便于装配，能够降低系统成本，同时，本系统的可靠性好，便于维护，能够显著降低使用成本。
上述仅为本发明的具体实施方式，但本发明的设计构思并不仅局限于此，凡是利用此构思对本发明进行非实质性地改进，均应该属于侵犯本发明保护范围的行为。

Claims (4)

1.一种车用混合动力装置，其特征在于：包括发动机、扭转减震器、制动器、车身、第一轴、第二轴、第三轴、第四轴、行星排、第一啮合齿轮、第二啮合齿轮、第一电机以及第二电机；
所述行星排包括行星排太阳轮、行星排行星轮、行星排行星架以及行星排齿圈；
所述第一电机的转子轴与所述第二轴连接，所述第一啮合齿轮与所述行星排太阳轮相啮合连接，所述第一电机、第二轴以及第一啮合齿轮为一体结构；
所述第二电机的转子轴与所述第三轴连接，所述第二啮合齿轮与所述行星排齿圈相啮合连接，所述第二电机、第三轴以及第二啮合齿轮为一体结构；
所述制动器的一端与所述行星排行星架的前端相固定连接，该制动器的另一端与所述车身相连接设置；
所述第一轴为所述发动机的动力输出轴，该第一轴的一端连接所述扭转减震器，另一端与所述制动器的一端相连接，所述制动器的另一端与所述行星排行星架相连接；
所述第二轴的两端分别与所述第一电机的转子轴和所述第一啮合齿轮相连接；
所述第三轴的两端分别与所述第二电机的转子轴和所述第二啮合齿轮相连接；
所述第四轴为输出轴，与所述行星排齿圈相连接。
2.根据权利要求1所述的一种车用混合动力装置，其特征在于：所述第一电机和第二电机采用的是电动和发电一体机。
3.根据权利要求1所述的一种车用混合动力装置，其特征在于：所述第三轴通过花键与所述第二啮合齿轮相连接。
4.根据权利要求1至3所述的一种车用混合动力装置的工作方法，其特征在于：
在单电机纯电动驱动方式下：所述制动器松开，所述发动机不工作，所述第一电机也不工作，所述第二电机以电动机方式工作，第二电机的输出动力经过所述第三轴输出，再经过所述第二啮合齿轮之后通过所述第四轴输出；
在双电机纯电动驱动方式下：所述制动器制动，所述行星排行星架锁止，所述发动机不工作，所述第一轴和所述行星排行星架被固定，所述第一电机以电动机方式工作，所述第二电机以电动机方式工作，上述两个电动机的输出动力耦合后经过所述第四轴输出；
在混合动力驱动方式下：所述制动器松开，所述发动机工作，所述第一电机以发电机方式工作，所述第二电机以电动机方式工作，所述发动机的部分动力直接通过所述行星排齿圈输出，再通过所述第四轴输出；所述第二电机动力经过所述第二啮合齿轮之后，通过所述第四轴输出；
在制动回馈方式下：所述第二电机以发电机方式工作，回收车辆制动动能。
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