CN109228843B - 具有两个电动机的动力系统 - Google Patents

具有两个电动机的动力系统 Download PDF

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CN109228843B
CN109228843B CN201711307127.8A CN201711307127A CN109228843B CN 109228843 B CN109228843 B CN 109228843B CN 201711307127 A CN201711307127 A CN 201711307127A CN 109228843 B CN109228843 B CN 109228843B
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motor
output shaft
rotor
power
power system
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CN109228843A (zh
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林盛晔
苏铉俊
任廷彬
申政旼
李荣浚
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Hyundai Motor Co
Kia Corp
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Kia Motors 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • 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
    • 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
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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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • 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
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
    • 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
    • B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/225—Detecting coils
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/02—Additional mass for increasing inertia, e.g. flywheels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/108—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches
    • H02K7/1085—Magnetically influenced friction clutches
    • 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
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/42—Electrical machine applications with use of more than one motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles
    • H—ELECTRICITY
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    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • 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
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    • Y02T10/00—Road transport of goods or passengers
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Abstract

本发明涉及一种具有两个电动机的动力系统，包括：第一电动机，其将动力传递到发动机的输出轴，或者从发动机的输出轴接收动力；第一离合器，其选择性地将第一电动机的第一转子连接到输出轴，并且安装到可操作地连接输出轴与第一电动机的第一转子的第一动力传递部件上；第二电动机，其将动力输出到变速器的输入轴；以及第二离合器，其选择性地将输出轴连接到第二电动机的第二转子，并且安装到可操作地连接输出轴与第二电动机的第二转子的第二动力传递部件上。

Description

具有两个电动机的动力系统
技术领域
本发明涉及一种设置在混合动力电动车辆(HEV)或插电式混合动力电动车辆(PHEV)中的动力系统，本发明更具体涉及一种具有两个电动机的动力系统，其利用发动机的动力和电动机的动力来有效地产生驱动力并且减少燃料消耗。
背景技术
混合动力电动车辆是使用两个或多个动力源的车辆，并且一般使用发动机和电动机作为动力源。可根据发动机和电动机的布置，以各种布局来实现混合动力电动车辆。
混合动力电动车辆中的发动机和电动机的一种布置类型是TMED(装配变速器的电气装置，Transmission Mounted Electric Device)型。基于TMED型，发动机、电动机和变速器串联连接在驱动轴上。
发动机离合器布置在发动机与电动机之间。可以基于发动机离合器的接合和分离，以电动车辆(EV)模式或混合动力电动车辆(HEV)模式操作混合动力电动车辆。
车辆在EV模式下仅通过电动机的驱动转矩行驶，并且在HEV模式下通过电动机和发动机的驱动扭矩行驶，并且通过发动机离合器的接合和分离来实现EV模式和HEV模式。
近年来，混合动力电动车辆或插电式混合动力电动车辆的使用正在增加，并且混合动力电动车辆或插电式混合动力电动车辆能够以EV模式行驶的区域的扩展需求也在增加，以减少燃料消耗。
为了扩展混合动力电动车辆以EV模式行驶的区域，有必要增大置于混合动力电动车辆中的电动机的容量。因此，人们致力于研发增加TMED系统中的电动机的容量，或者使用两个或多个电动机。
该背景部分中公开的上述信息仅用于增强对本发明背景的理解，因此其可以包含本国内的本领域普通技术人员已知的未形成现有技术的信息。
发明内容
本发明致力于提供一种具有两个电动机的动力系统，其优点在于，通过在TMED系统中将两个电动机有效地布置在发动机与变速器之间来增加行驶距离和电动机的输出。
根据本发明的示例性实施方式的具有两个电动机的动力系统可以包括：第一电动机，其将动力传递到发动机的输出轴，或者从发动机的输出轴接收动力；第一离合器，其选择性地将第一电动机的第一转子连接到输出轴，并且安装到可操作地连接输出轴与第一电动机的第一转子的第一动力传递部件上；第二电动机，其将动力输出到变速器的输入轴；以及第二离合器，其选择性地将输出轴连接到第二电动机的第二转子，并且安装到可操作地连接输出轴与第二电动机的第二转子的第二动力传递部件上。
动力系统，还包括：第一分隔件，其布置在第一电动机与第二电动机之间，并且沿动力系统的径向向内方向，从固定布置在第一电动机与第二电动机外侧的壳体向内延伸；第二分隔件，其布置在第二电动机与变速器之间，并且沿径向向内方向从壳体向内延伸；第一轴承，其介于第一分隔件与输出轴之间；以及第二轴承，其介于第二分隔件与输入轴之间。
动力系统，还包括：第一旋转变压器，其检测第一转子的转速并且安装在第一分隔件上；以及第二旋转变压器，其检测第二转子的转速并且安装在第二分隔件上。
根据本发明的另一个示例性实施方式，一种具有两个电动机的动力系统，包括：第一电动机，其将动力传递到发动机的输出轴，或者从发动机的输出轴接收动力；第一动力传递部件，其将发动机的输出轴可操作地连接到第一电动机的第一转子；第二电动机，其将动力输出到变速器的输入轴；以及离合器，其选择性地将输出轴连接到第二电动机的第二转子，并且安装到可操作地连接输出轴与第二电动机的第二转子的第二动力传递部件上。
动力系统，还包括：第一分隔件，其布置在第一电动机与第二电动机之间，并且沿动力系统的径向向内方向，从固定布置在第一电动机和第二电动机外侧的壳体向内延伸；伸长部，其沿动力系统的轴向，从第一分隔件的径向内端延伸；以及第一轴承，其布置在伸长部与输出轴之间。
在一个方面，第一电动机的旋转部的重心线可位于第一轴承的区域内。
在另一个方面，第一电动机的旋转部的重心线穿过第一轴承的中心。
第一电动机的旋转部包括将第一转子连接到输出轴的旋转部件。
旋转部件包括：第一部件，其花键连接到输出轴上；第二部件，其一体连接到第一部件的端部，并且沿动力系统的径向向外方向从第一部件的端部向外延伸；以及第三部件，其从第二部件的径向外端延伸以面向伸长部，并且其中第一轴承介于第一部件与伸长部之间。
动力系统，还包括安装在第一电动机的侧面上的质量块。
质量块可沿着转子的旋转方向被布置。
质量块可沿着转子的旋转方向连续地或不连续地布置。
根据本发明的示例性实施方式，发动机、第一电动机、第二电动机和变速器按顺序地布置在一个驱动轴上，并且使用第一电动机和第二电动机来产生驱动转矩。因此，可以获得更多的输出。
在车辆通过两个电动机中的一个电动机行驶的情况下，另一个电动机可通过发动机来发电。因此，电动机的行驶距离可以显著增加。
附图说明
图1是根据本发明的第一示例性实施方式的具有两个电动机的动力系统的示意图；
图2是根据本发明的第二示例性实施方式的具有两个电动机的动力系统的示意图；
图3是根据本发明的第三示例性实施方式的具有两个电动机的动力系统的示意图；
图4是本发明的第三示例性实施方式的局部放大图；
图5是根据本发明的第四示例性实施方式的具有两个电动机的动力系统的示意图。
具体实施方式
在下文中，将参考附图对本发明的示例性实施方式进行详细描述。
为了便于说明而任意地呈现附图所示的每个部件的尺寸和厚度，因此本发明不限于附图。许多部件和区域的厚度被放大了。
将省略对于解释本示例性实施方式不必要的部件的描述，并且在本说明书中通过相同的附图标记来表示相同的组成元件。
在以下描述中，因为部件名称彼此相同，并且其顺序不受特别限制，因此将部件名称划分为第一、第二等进行区分。
图1是根据本发明第一示例性实施方式的具有两个电动机的动力系统的示意图。
参考图1，动力系统包括：发动机100、输出轴105、第一动力传递部件122、第一电动机125、第一旋转变压器160、第一轴承150、第二动力传递部件172、第一离合器120、第二离合器170、第二电动机135、第二旋转变压器165、第二轴承155、输入轴110、变速器115、壳体140、第一分隔件130和第二分隔件145。
发动机100的输出轴105被布置成与变速器115的输入轴110平行或在相同轴线上，并且第一电动机125被布置成通过第一动力传递部件122将动力传递到输出轴105。
在此，第一电动机125包括第一转子R1和第一定子S1。由于转子和定子的结构和功能是本领域普通技术人员所熟知的，因此将省略其详细描述。
第一离合器120布置在第一动力传递部件122上，并且将第一电动机125的第一转子R1连接到输出轴105，或者将第一转子R1从输出轴105断开。
第二电动机135被布置成将动力传递到变速器115的输入轴110，并且包括第二转子R2和第二定子S2。第二转子R2直接连接到输入轴110，以便与输入轴110一起旋转。
第二动力传递部件172将输出轴105的动力传递到第二电动机135的第二转子R2。第二离合器170布置在输出轴105与第二转子R2之间的第二动力传递部件172上，并且将输出轴105连接到第二转子R2，或者将输出轴105从第二转子R2断开。
壳体140固定布置到第一电动机125和第二电动机135的径向外部，并且第一分隔件130在第一电动机125与第二电动机135之间从壳体140径向向内延伸，以及将安装第一电动机125的空间与安装第二电动机135的空间分开。
此外，第二分隔件145在变速器115与第二电动机135之间从壳体140径向向内延伸，并且将安装第二电动机135的空间与安装变速器115的空间分开。
第一轴承150布置在第一分隔件130的端部处，并且可旋转地支撑输出轴105。第二轴承155布置在第二分隔件145的端部处并且可旋转地支撑输入轴110。
第一旋转变压器160安装在第一分隔件130上，并且检测第一电动机125的第一转子R1的旋转，以检测第一电动机125的转速。第二旋转变压器165安装在第二分隔件145上，并且检测第二电动机135的第二转子R2的旋转，以检测第二电动机135的转速。由于旋转变压器的结构和功能是本领域普通技术人员所熟知的，因此将省略其详细描述。
基于图1和以上描述，根据本发明第一示例性实施方式的第一电动机125，可基于第一离合器120的操作将动力传递到输出轴105。此外，第一电动机125可以通过发动机100的动力来产生电能，并且可以将所产生的能量填充在额外的电池中。
基于第二离合器170的操作，可以将发动机100或第一电动机125的动力传递到第二电动机135的第二转子R2。此外，第二电动机135可以将动力传递到变速器115的输入轴110。当第二离合器170被释放时，第二电动机135可以仅将动力传递到变速器115的输入轴110。
此外，当第一电动机125通过发动机产生电能时，第二电动机135可以仅将动力传递到变速器115的输入轴110。
图2是根据本发明的第二示例性实施方式的具有两个电动机的动力系统的示意图，并且将主要描述第一示例性实施方式与第二示例性实施方式之间的差异。
第二动力传递部件172被布置成将输出轴105的动力传递到第二电动机135的第二转子R2。离合器174设置在输出轴105与第二转子R2之间的第二动力传递部件172上，并且将输出轴105连接到第二转子R2，或者将输出轴105从第二转子R2断开。
基于图1、图2和以上描述，根据本发明的第二示例性实施方式的第一电动机125将动力传递到输出轴105，并且第一电动机125可以通过发动机100的动力来产生电能。
基于离合器174的操作，可以将发动机100的动力或第一电动机125的动力传递到第二电动机135的转子R2。此外，第二电动机135可以传递变速器115的输入轴110的动力。当离合器174被释放时，第二电动机135可以仅将动力传递到变速器115的输入轴110。
图3是根据本发明的第三示例性实施方式的具有两个电动机的动力系统的示意图。将省略对相同或类似部件的描述，并且将主要描述差异。
参考图3，伸长部132与第一分隔件130的径向内端一体形成，并且沿轴向与输出轴105平行地延伸。
此外，第一轴承150介于伸长部132与输出轴105之间，并且输出轴105通过第一轴承150可旋转地布置在伸长部132上。
此外，第一电动机125的旋转部的重心线(图4中的附图标记‘310’)位于第一轴承150的中央部。因此，即使第一转子R1以高速旋转，第一轴承150也可以牢固地支撑第一电动机125的旋转部。
在此，第一电动机125的旋转部可包括第一转子R1和旋转部件(图4中的附图标记‘320’)，该旋转部件布置在将第一转子R1与输出轴105连接的第一动力传递部件122上。
图4是本发明的第三示例性实施方式的局部放大图。
参考图4，旋转部件320包括第一部件322、第二部件324和第三部件326。
第一部件322沿轴向形成，并且通过花键连接到输出轴105。第二部件324与第一部件322的端部一体形成，并且沿径向向外延伸。第三部件326与第二部件324的径向外端一体形成，并且沿轴向与第一部件322平行延伸。
伸长部132与第一分隔件130的径向内端一体连接，并且沿轴向延伸。伸长部132布置在第一部件322与第二部件324之间，并且第一轴承150插置在伸长部132与第一部件322之间。
如上所述，作为第一电动机125的旋转部的第一转子R1以及布置在用于将第一转子R1与输出轴105连接的第一动力传递部件122上的旋转部件(图4中的附图标记‘320’)的重心线310，位于第一轴承150的中央部。
因此，即使第一转子R1高速旋转，第一轴承150也牢固地支撑第一电动机125的旋转部。
图5是根据本发明的第四示例性实施方式的具有两个电动机的动力系统的示意图。将省略对第二示例性实施方式的相同或类似部件的描述，并且将主要描述差异。
参考图5，质量块400布置在第一电动机125的旋转部中的第一转子R1的侧面。
由于第一转子R1的转矩因添加质量块400而增大，因此增大了输出轴105的旋转安全性，并且可有效地减小因发动机100的输出波动引起的振动和噪音。
可以沿着第一转子R1的旋转方向连续或不连续地布置质量块400。
尽管已经结合目前被认为是实际的示例性实施方式描述了本发明，但是应该理解，本发明不限于所公开的实施方式。相反地，本发明旨在涵盖所附权利要求的精神和范围内包括的各种修改和等同布置。

Claims (5)

1.一种具有两个电动机的动力系统，包括：
第一电动机，其将动力传递到发动机的输出轴，或者从所述发动机的输出轴接收动力；
第一动力传递部件，其将所述发动机的输出轴可操作地连接到所述第一电动机的第一转子；
第二电动机，其将动力输出到变速器的输入轴；
离合器，其选择性地将所述输出轴连接到所述第二电动机的第二转子，并且安装到可操作地连接所述输出轴与所述第二电动机的第二转子的第二动力传递部件上；
第一分隔件，其布置在所述第一电动机与所述第二电动机之间，并且沿所述动力系统的径向向内方向，从固定布置在所述第一电动机和所述第二电动机外侧的壳体向内延伸；
伸长部，其沿所述动力系统的轴向，从所述第一分隔件的径向内端延伸；以及
第一轴承，其布置在所述伸长部与所述输出轴之间，
其中所述发动机的输出轴设置在与所述变速器的输入轴相同的轴线上，
其中所述第一电动机的旋转部的重心线位于所述第一轴承的区域内，并且
其中所述第一电动机的旋转部的重心线穿过所述第一轴承的中心。
2.根据权利要求1所述的动力系统，其中所述第一电动机的旋转部包括将所述第一转子连接到所述输出轴的旋转部件，
其中所述旋转部件包括：
第一部件，其花键连接到所述输出轴上；
第二部件，其一体连接到所述第一部件的端部，并且沿所述动力系统的径向向外方向从所述第一部件的端部向外延伸；以及
第三部件，其从所述第二部件的径向外端并沿轴向与所述第一部件平行延伸以面对所述伸长部，并且
其中所述第一轴承介于所述第一部件与所述伸长部之间。
3.根据权利要求1所述的动力系统，还包括安装在所述第一电动机的侧面上的质量块。
4.根据权利要求3所述的动力系统，其中沿着所述转子的旋转方向布置所述质量块。
5.根据权利要求4所述的动力系统，其中沿着所述转子的旋转方向连续地或不连续地布置所述质量块。
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