CN116141948A - 一种纵置混联式混合动力传动系统及控制方法 - Google Patents

一种纵置混联式混合动力传动系统及控制方法 Download PDF

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CN116141948A
CN116141948A CN202310337677.3A CN202310337677A CN116141948A CN 116141948 A CN116141948 A CN 116141948A CN 202310337677 A CN202310337677 A CN 202310337677A CN 116141948 A CN116141948 A CN 116141948A
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gear
drives
motor
rotate
engine
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尹良杰
方志勤
任翔
郭应清
郭海保
王铜奎
刘成文
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • 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
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    • 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
    • B60K6/38—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
    • 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
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • 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
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Abstract

本发明公开了一种纵置混联式混合动力传动系统及控制方法，包括发动机、P1电机、P3电机以及后桥；所述发动机与所述P1电机以及所述P3电机同轴设置，所述发动机与所述P1电机之间通过升速机构连接，以实现所述发动机与所述P1电机之间传递动力；所述P3电机与所述后桥之间通过减速机构连接，以实现车轮驱动；所述升速机构与所述减速机构之间通过离合器连接，以实现所述发动机与所述P3电机的连接或断开；本发明提供一种混动驱动传动系统，满足纯电驱动，发动机直驱，串联/并联混合动力传动等功能，满足整车节能降耗目标。采用圆柱齿轮实现升/减速，结构设计及零件工艺简单，技术成熟设计及工艺成本低，系统效率高。

Description

一种纵置混联式混合动力传动系统及控制方法
技术领域
本发明涉及混合动力传动技术领域，更具体地，涉及一种纵置混联式混合动力传动系统及控制方法。
背景技术
由于环境污染和能源危机问题日益突出，环保问题越来越受到国内外的重视，国家也一直在更新汽车尾气排放的相关法规。现有的传统燃油车驱动模式单一，动力系统的优化难以应对严格的法规，而纯电动汽车则受限于续航里程、电池、成本等问题无法完全替代传统动力汽车。
混合动力汽车以电池和燃油为能量源，以发动机和电动机提供驱动力，兼具传统燃油汽车长续航和纯电动汽车运行效率高、排放少的优点，混合动力汽车的油耗及排放水平有了很大的提升，对环境保护及能源节约具有重大意义。
现有技术一，齿轮与离合器分别在电机不同侧布置，不利于润滑设计；传动系统布置，壳体设计分段数量多，装配复杂；发动机直驱模式下，仅通过后桥速比降速，速比不能调整，影响发动机效率。
现有技术二：减速机构齿轮与离合器和升速机构齿轮分别在电机不同侧布置，不利于润滑设计；传动系统布置，壳体设计分段数量多，装配复杂；发动机直驱模式下，仅通过后桥速比降速，速比不能调整，影响发动机效率。
因此，如何提供一种满足纯电驱动，发动机直驱，串联/并联混合动力传动等功能，满足整车节能降耗目标的动力传动系统及控制方法成为本领域亟需解决的技术难题。
发明内容
本发明的目的是提供一种纵置混联式混合动力传动系统及控制方法，满足纯电驱动，发动机直驱，串联/并联混合动力传动等功能，满足整车节能降耗目标。采用圆柱齿轮实现升/减速，结构设计及零件工艺简单，技术成熟设计及工艺成本低，系统效率高。
根据本发明的第一方面，提供了一种纵置混联式混合动力传动系统，包括发动机、P1电机、P3电机以及后桥；
所述发动机与所述P1电机以及所述P3电机同轴设置，所述发动机与所述P1电机之间通过升速机构连接，以实现所述发动机与所述P1电机之间传递动力；
所述P3电机与所述后桥之间通过减速机构连接，以实现车轮驱动；所述升速机构与所述减速机构之间通过离合器连接，以实现所述发动机与所述P3电机的连接或断开；
所述升速机构包括第一齿轮、第二齿轮、第三齿轮以及第四齿轮，所述发动机的输入轴通过曲轴飞轮轴与所述第一齿轮连接，所述第二齿轮与所述第三齿轮通过第一中间轴同轴连接，且所述第一中间轴连接在所述离合器上；所述第一齿轮与所述第二齿轮啮合传动，所述第四齿轮与P1电机轴同轴连接，并与所述第三齿轮啮合传动。
可选地，根据本发明所述的纵置混联式混合动力传动系统，所述减速机构包括第五齿轮、第六齿轮、第七齿轮、第八齿轮，所述第五齿轮与P3电机轴连接，所述第六齿轮与所述第七齿轮通过第二中间轴同轴连接，且所述第二中间轴连接在所述离合器上；所述后桥与所述第八齿轮通过输出轴连接，所述第六齿轮与所述第五齿轮啮合传动，所述第八齿轮与所述第七齿轮啮合传动，以实现车轮驱动。
可选地，根据本发明所述的纵置混联式混合动力传动系统，所述离合器前端与第一中间轴花键连接、后端与所述第二中间轴连接，通过所述离合器结合与分离实现所述传动系统的模式切换。
根据本发明的第二方面，还提供了一种纵置混联式混合动力传动系统控制方法，采用上述实施例中所述的纵置混联式混合动力传动系统，并实现以下功能模式：
纯电行使：所述发动机停止工作，所述离合器分离，所述P3电机工作、驱动所述减速机构和所述后桥实现车轮驱动；
串联行使：所述发动机正常工作，通过所述升速机构驱动所述P1电机给电池系统供电；所述离合器分离，所述P3电机工作、驱动所述减速机构和所述后桥实现车轮驱动；
高速直驱：所述发动机正常工作，所述离合器结合，P1电机和P3电机停止工作；即所述发动机通过所述升速机构、第一中间轴、离合器、第二中间轴以及输出轴至后桥驱动车轮；
能量回收：所述发动机停止工作，所述离合器分离，车辆制动减速，车轮通过后桥反驱动减速机构，从而驱动P3电机实现能量回收。
可选地，根据本发明所述的纵置混联式混合动力传动系统控制方法，还包括耦合并联行驶模式，在该模式下，纯电行使和高速直驱模式能够独立存在或同时存在。
可选地，根据本发明所述的纵置混联式混合动力传动系统控制方法，在所述纯电行使模式下，所述P3电机通过P3电机轴驱动第五齿轮旋转，所述第五齿轮驱动第六齿轮旋转，所述第六齿轮经第二中间轴驱动所述第七齿轮旋转，所述第七齿轮驱动第八齿轮旋转，所述第八齿轮驱动输出轴转动，所述输出轴驱动后桥实现车轮驱动。
可选地，根据本发明所述的纵置混联式混合动力传动系统控制方法，在所述串联行使模式下，所述发动机通过曲轴飞轮组驱动输入轴转动，所述输入轴驱动第一齿轮旋转，所述第一齿轮驱动所述第二齿轮旋转，所述第二齿轮通过第一中间轴驱动所述第三齿轮旋转，所述第三齿轮驱动所述第四齿轮旋转，所述第四齿轮驱动P1电机轴转动从而驱动P1电机给电池系统充电；
同时P3电机通过P3电机轴驱动所述第五齿轮旋转，所述第五齿轮驱动第六齿轮旋转，所述第六齿轮经第二中间轴驱动所述第七齿轮旋转，所述第七齿轮驱动第八齿轮旋转，所述第八齿轮驱动输出轴转动，所述输出轴驱动后桥实现车轮驱动。
可选地，根据本发明所述的纵置混联式混合动力传动系统控制方法，在所述高速直驱模式下，发动机通过曲轴飞轮组驱动输入轴转动，输入轴驱动所述第一齿轮旋转，所述第一齿轮驱动所述第二齿轮旋转，所述第二齿轮驱动所述第一中间轴旋转，所述第一中间轴经离合器驱动第二中间轴转动，所述第二中间轴驱动第七齿轮旋转，所述第七齿轮驱动第八齿轮(旋转，所述第八齿轮驱动输出轴转动，所述输出轴驱动后桥实现车轮驱动。
可选地，根据本发明所述的纵置混联式混合动力传动系统控制方法，在所述能量回收模式下，所述车轮反驱动后桥，所述后桥驱动输出轴转动，所述输出轴带动第八齿轮旋转，所述第八齿轮带动第七齿轮旋转，所述第七齿轮经第二中间轴带动第六齿轮旋转，所述第六齿轮带动所述第五齿轮旋转，所述第五齿轮驱动P3电机轴转动从而驱动P3电机实现能量回收。
本发明技术方案带来的有益效果：
提供一种混动驱动传动系统，满足纯电驱动，发动机直驱，串联/并联混合动力传动等功能，满足整车节能降耗目标。采用圆柱齿轮实现升/减速，结构设计及零件工艺简单，技术成熟设计及工艺成本低，系统效率高：
1)将传动系统中的齿轮/离合器集中布置，轴向尺寸短，润滑设计简单；
2)各个动力模式下均为两对齿轮副实现速比变化，传动效率高；
3)平行轴升/减输入输出同轴设计，实现发动机/电机/离合器同轴传递动力，整体径向尺寸小，实现轻量化同时提升整车布置自由度；
4)升速机构提高转速，降低扭矩，从而减小离合器尺寸，控制成本；
5)发动机直驱模式动力流更适应速比匹配，便于调整，提高发动机效率。
通过以下参照附图对本发明的示例性实施例的详细描述，本发明的其它特征及其优点将会变得清楚。
附图说明
被结合在说明书中并构成说明书的一部分的附图示出了本发明的实施例，并且连同其说明一起用于解释本发明的原理。
图1为本发明所公开的纵置混联式混合动力传动系统的模块结构示意图；
图2为本发明所公开的纵置混联式混合动力传动系统的零部件结构示意图。
附图标记说明：A-发动机模块；B-发电机；C-升速机构；D-减速机构；E-电机；
1-发动机；2-曲轴飞轮组；3-P1电机；4-P3电机；5-后桥；6-输入轴；7-P1电机轴；8-第一中间轴；9-离合器；10-第二中间轴；11-P3电机轴；12-输出轴；13-第一齿轮；14-第二齿轮；15-第三齿轮；16-第四齿轮；17-第五齿轮；18-第六齿轮；19-第七齿轮；20-第八齿轮；
具体实施方式
现在将参照附图来详细描述本发明的各种示例性实施例。应注意到：除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。
以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本发明及其应用或使用的任何限制。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为说明书的一部分。
在这里示出和讨论的所有例子中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它例子可以具有不同的值。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
根据图1和图2所示的，本发明提供了一种纵置混联式混合动力传动系统，包括发动机1、P1电机3、P3电机4以及后桥5。
整体布置结构分几个功能模块：发动机模块A驱动升速机构C实现发电机B高效充电；电机E驱动通过减速机构D和后桥5实现车轮驱动；发电机B和电机E之间布置离合器9，实现发动机模块A动力与电机E动力连接或断开；以上各个模块功能采用控制模块控制实现DHT不同工作模式，达到高效驱动目标。此传动布置结构通过不同动力流组合。
发动机1与P1电机3以及P3电机4同轴设置，发动机1与P1电机3之间通过升速机构C连接，以实现发动机1与P1电机3之间传递动力。
P3电机4与后桥5之间通过减速机构D连接，以实现车轮驱动；升速机构C与减速机构D之间通过离合器9连接，以实现发动机1与P3电机4的连接或断开。
升速机构C包括第一齿轮13、第二齿轮14、第三齿轮15以及第四齿轮16，发动机1的输入轴6通过曲轴飞轮轴与第一齿轮13连接，第二齿轮14与第三齿轮15通过第一中间轴8同轴连接，且第一中间轴8连接在离合器9上；第一齿轮13与第二齿轮14啮合传动，第四齿轮16与P1电机轴7同轴连接，并与第三齿轮15啮合传动。
升速机构C的输入轴6与发动机1的曲轴飞轮组2连接，P1电机轴7与电机E转子轴共用设计，即P1电机轴7上布置第四齿轮16，同时与P1电机3转子装配；
升速机构C由两对圆柱齿轮实现，输入轴6与P1电机轴7同轴，第一齿轮13布置在输入轴6上，且与输入轴6一体设计。第二齿轮14/第三齿轮15与第一中间轴8一体，第四齿轮16布置在P1电机轴7，与P1电机轴7一体设计。
再进一步地，减速机构D包括第五齿轮17、第六齿轮18、第七齿轮19、第八齿轮20，第五齿轮17与P3电机轴11连接，第六齿轮18与第七齿轮19通过第二中间轴10同轴连接，且第二中间轴10连接在离合器9上；后桥5与第八齿轮20通过输出轴12连接，第六齿轮18与第五齿轮17啮合传动，第八齿轮20与第七齿轮19啮合传动，以实现车轮驱动。
减速机构D与P3电机4连接，P3电机轴11为电机E转子轴共用设计，即P3电机轴11上布置第五齿轮17，同时与P3电机4转子装配；
减速机构D由两对圆柱齿轮实现，P3电机轴11与输出轴12同轴，第五齿轮17布置在P3电机轴11上，且与P3电机轴11一体设计。第六齿轮18/第七齿轮19与第二中间轴10一体，第八齿轮20布置在输出轴12，与输出轴12一体设计。
再进一步地，离合器9前端与第一中间轴8花键连接、后端与第二中间轴10连接，通过离合器9结合与分离实现传动系统的模式切换。
根据本发明的第二方面，还提供了一种纵置混联式混合动力传动系统控制方法，采用上述实施例中的纵置混联式混合动力传动系统，并实现以下功能模式：
纯电行使：发动机1停止工作，离合器9分离，P3电机4工作、驱动减速机构D和后桥5实现车轮驱动；
串联行使：发动机1正常工作，通过升速机构C驱动P1电机3给电池系统供电；离合器9分离，P3电机4工作、驱动减速机构D和后桥5实现车轮驱动；
高速直驱：发动机1正常工作，离合器9结合，P1电机3和P3电机4停止工作；即发动机1通过升速机构C、第一中间轴8、离合器9、第二中间轴10以及输出轴12至后桥5驱动车轮；
能量回收：发动机1停止工作，离合器9分离，车辆制动减速，车轮通过后桥5反驱动减速机构D，从而驱动P3电机4实现能量回收。
可选地，根据本发明的纵置混联式混合动力传动系统控制方法，还包括耦合并联行驶模式，根据动力匹配需要，将以下两种模式通过控制器控制进行并联控制，在该模式下，纯电行使和高速直驱模式能够独立存在或同时存在。
可选地，根据本发明的纵置混联式混合动力传动系统控制方法，在纯电行使模式下，P3电机4通过P3电机轴11驱动第五齿轮17旋转，第五齿轮17驱动第六齿轮18旋转，第六齿轮18经第二中间轴10驱动第七齿轮19旋转，第七齿轮19驱动第八齿轮20旋转，第八齿轮20驱动输出轴12转动，输出轴12驱动后桥5实现车轮驱动。
可选地，根据本发明的纵置混联式混合动力传动系统控制方法，在串联行使模式下，发动机1通过曲轴飞轮组2驱动输入轴6转动，输入轴6驱动第一齿轮13旋转，第一齿轮13驱动第二齿轮14旋转，第二齿轮14通过第一中间轴8驱动第三齿轮15旋转，第三齿轮15驱动第四齿轮16旋转，第四齿轮16驱动P1电机轴7转动从而驱动P1电机3给电池系统充电；
同时P3电机4通过P3电机轴11驱动第五齿轮17旋转，第五齿轮17驱动第六齿轮18旋转，第六齿轮18经第二中间轴10驱动第七齿轮19旋转，第七齿轮19驱动第八齿轮20旋转，第八齿轮20驱动输出轴12转动，输出轴12驱动后桥5实现车轮驱动。
可选地，根据本发明的纵置混联式混合动力传动系统控制方法，在高速直驱模式下，发动机1通过曲轴飞轮组2驱动输入轴6转动，输入轴6驱动第一齿轮13旋转，第一齿轮13驱动第二齿轮14旋转，第二齿轮14驱动第一中间轴8旋转，第一中间轴8经离合器9驱动第二中间轴10转动，第二中间轴10驱动第七齿轮19旋转，第七齿轮19驱动第八齿轮20(旋转，第八齿轮20驱动输出轴12转动，输出轴12驱动后桥5实现车轮驱动。
可选地，根据本发明的纵置混联式混合动力传动系统控制方法，在能量回收模式下，车轮反驱动后桥5，后桥5驱动输出轴12转动，输出轴12带动第八齿轮20旋转，第八齿轮20带动第七齿轮19旋转，第七齿轮19经第二中间轴10带动第六齿轮18旋转，第六齿轮18带动第五齿轮17旋转，第五齿轮17驱动P3电机轴11转动从而驱动P3电机4实现能量回收。
虽然已经通过例子对本发明的一些特定实施例进行了详细说明，但是本领域的技术人员应该理解，以上例子仅是为了进行说明，而不是为了限制本发明的范围。本领域的技术人员应该理解，可在不脱离本发明的范围和精神的情况下，对以上实施例进行修改。本发明的范围由所附权利要求来限定。

Claims (9)

1.一种纵置混联式混合动力传动系统，其特征在于，包括发动机、P1电机、P3电机以及后桥；
所述发动机与所述P1电机以及所述P3电机同轴设置，所述发动机与所述P1电机之间通过升速机构连接，以实现所述发动机与所述P1电机之间传递动力；
所述P3电机与所述后桥之间通过减速机构连接，以实现车轮驱动；所述升速机构与所述减速机构之间通过离合器连接，以实现所述发动机与所述P3电机的连接或断开；
所述升速机构包括第一齿轮、第二齿轮、第三齿轮以及第四齿轮，所述发动机的输入轴通过曲轴飞轮轴与所述第一齿轮连接，所述第二齿轮与所述第三齿轮通过第一中间轴同轴连接，且所述第一中间轴连接在所述离合器上；所述第一齿轮与所述第二齿轮啮合传动，所述第四齿轮与P1电机轴同轴连接，并与所述第三齿轮啮合传动。
2.根据权利要求1所述的纵置混联式混合动力传动系统，其特征在于，所述减速机构包括第五齿轮、第六齿轮、第七齿轮、第八齿轮，所述第五齿轮与P3电机轴连接，所述第六齿轮与所述第七齿轮通过第二中间轴同轴连接，且所述第二中间轴连接在所述离合器上；所述后桥与所述第八齿轮通过输出轴连接，所述第六齿轮与所述第五齿轮啮合传动，所述第八齿轮与所述第七齿轮啮合传动，以实现车轮驱动。
3.根据权利要求2所述的纵置混联式混合动力传动系统，其特征在于，所述离合器前端与第一中间轴花键连接、后端与所述第二中间轴连接，通过所述离合器结合与分离实现所述传动系统的模式切换。
4.一种纵置混联式混合动力传动系统控制方法，其特征在于，采用权利要求3所述的纵置混联式混合动力传动系统，并实现以下功能模式：
纯电行使：所述发动机停止工作，所述离合器分离，所述P3电机工作、驱动所述减速机构和所述后桥实现车轮驱动；
串联行使：所述发动机正常工作，通过所述升速机构驱动所述P1电机给电池系统供电；所述离合器分离，所述P3电机工作、驱动所述减速机构和所述后桥实现车轮驱动；
高速直驱：所述发动机正常工作，所述离合器结合，P1电机和P3电机停止工作；即所述发动机通过所述升速机构、第一中间轴、离合器、第二中间轴以及输出轴至后桥驱动车轮；
能量回收：所述发动机停止工作，所述离合器分离，车辆制动减速，车轮通过后桥反驱动减速机构，从而驱动P3电机实现能量回收。
5.根据权利要求4所述的纵置混联式混合动力传动系统控制方法，其特征在于，还包括耦合并联行驶模式，在该模式下，纯电行使和高速直驱模式能够独立存在或同时存在。
6.根据权利要求4所述的纵置混联式混合动力传动系统控制方法，其特征在于，在所述纯电行使模式下，所述P3电机通过P3电机轴驱动第五齿轮旋转，所述第五齿轮驱动第六齿轮旋转，所述第六齿轮经第二中间轴驱动所述第七齿轮旋转，所述第七齿轮驱动第八齿轮旋转，所述第八齿轮驱动输出轴转动，所述输出轴驱动后桥实现车轮驱动。
7.根据权利要求4所述的纵置混联式混合动力传动系统控制方法，其特征在于，在所述串联行使模式下，所述发动机通过曲轴飞轮组驱动输入轴转动，所述输入轴驱动第一齿轮旋转，所述第一齿轮驱动所述第二齿轮旋转，所述第二齿轮通过第一中间轴驱动所述第三齿轮旋转，所述第三齿轮驱动所述第四齿轮旋转，所述第四齿轮驱动P1电机轴转动从而驱动P1电机给电池系统充电；
同时P3电机通过P3电机轴驱动所述第五齿轮旋转，所述第五齿轮驱动第六齿轮旋转，所述第六齿轮经第二中间轴驱动所述第七齿轮旋转，所述第七齿轮驱动第八齿轮旋转，所述第八齿轮驱动输出轴转动，所述输出轴驱动后桥实现车轮驱动。
8.根据权利要求4所述的纵置混联式混合动力传动系统控制方法，其特征在于，在所述高速直驱模式下，发动机通过曲轴飞轮组驱动输入轴转动，输入轴驱动所述第一齿轮旋转，所述第一齿轮驱动所述第二齿轮旋转，所述第二齿轮驱动所述第一中间轴旋转，所述第一中间轴经离合器驱动第二中间轴转动，所述第二中间轴驱动第七齿轮旋转，所述第七齿轮驱动第八齿轮旋转，所述第八齿轮驱动输出轴转动，所述输出轴驱动后桥实现车轮驱动。
9.根据权利要求4所述的纵置混联式混合动力传动系统控制方法，其特征在于，在所述能量回收模式下，所述车轮反驱动后桥，所述后桥驱动输出轴转动，所述输出轴带动第八齿轮旋转，所述第八齿轮带动第七齿轮旋转，所述第七齿轮经第二中间轴带动第六齿轮旋转，所述第六齿轮带动所述第五齿轮旋转，所述第五齿轮驱动P3电机轴转动从而驱动P3电机实现能量回收。
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