CN104002744A - 车辆的集成电子电力控制单元 - Google Patents

车辆的集成电子电力控制单元 Download PDF

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CN104002744A
CN104002744A CN201310475793.8A CN201310475793A CN104002744A CN 104002744 A CN104002744 A CN 104002744A CN 201310475793 A CN201310475793 A CN 201310475793A CN 104002744 A CN104002744 A CN 104002744A
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vehicle
inverter
control unit
power control
low voltage
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CN104002744B (zh
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尹在勋
全禹勇
朱正弘
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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
    • 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
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • 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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
    • 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
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    • 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
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    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • 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
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
    • 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
    • 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
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • 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
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • 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
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    • Y02T10/64—Electric machine technologies in electromobility
    • 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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Abstract

一种车辆的集成电子电力控制单元。环境友好车辆的集成电子电力控制单元包括共用DC输入端的逆变器和LDC（低压DC-DC转换器）。在所述集成电子电力控制单元中，所述逆变器为通过将DC电压转换成AC电压而驱动电动机的电子电力控制单元，并且所述低压DC-DC转换器作用为通过将DC高压转换成低压DC电压而给低压电池充电的另一个电子电力控制单元，此处所述逆变器包括由使输入电压变平坦的电容器和去除输入电压的噪声的电容器组成的电容器模块，并且集成了所述逆变器和所述低压DC-DC转换器，使得所述逆变器的电容器模块的输出变为所述低压DC-DC转换器的输出。

Description

车辆的集成电子电力控制单元
相关申请的交叉引用
本申请要求于2013年2月22日在韩国知识产权局提交的韩国专利申请No.10-2013-0019431在35U.S.C.§119(a)下的优先权和权益，并通过引用将其全部内容纳入本文。
技术领域
本发明涉及共用环境友好车辆的DC输入端的集成电子电力控制单元，其中在环境友好车辆中作为EPCU（电子电力控制单元）的逆变器和LDC（低压DC-DC转换器）共用DC输入端。
背景技术
已知的是要提供环境友好的车辆，也即，所述车辆具有改进的燃料效率，满足适用的政府法规（例如，关于排放气体的OBD（车载诊断）的法规），并且所述车辆最小化地利用化石燃料作为燃料源。
包括燃料电池车辆、电动车辆、插电式电动车辆以及混合动力车辆的这样的环境友好车辆配备有一个或更多个电动机和发动机。
例如，环境友好车辆可以包括电池、逆变器、LDC（低压DC-DC转换器）、发动机离合器以及各个电子动力控制单元，其中，所述电池在高压时充电，用于驱动电动机；所述逆变器为通过将电池的DC高压转换为AC电压而驱动电动机的电子电力控制单元；所述LDC（低压DC-DC转换器）也是电子电力控制单元，其通过将DC高压转换为低的DC电压（例如，12V）而给低压电池充电；所述发动机离合器设置在发动机和电动机之间以将发动机的动力传递至驱动轴；所述各个电子电力控制单元用于控制环境友好车辆的操作。
通常地，根据由驾驶员操作加速器踏板和制动器踏板、负荷、车辆速度以及电池的SOC（充电状态）确定的加速/减速意图，通过接合或分离发动机离合器而使环境友好车辆能够在HEV（混合电动车辆）模式和EV（电动车辆）模式下行驶。
当环境友好车辆的行驶模式从EV模式改变为HEV模式时，在发动机速度和电动机速度同步之后接合发动机离合器，以便在使用不同动力源的发动机和电动机之间传递动力的同时没有改变转矩，从而保证了驾驶性能。
如上所述，环境友好车辆通常包括逆变器和低压DC-DC转换器。逆变器和低压DC-DC转换器例如可以通过分开的单独电路来实施（如图1和图2所示），或者通过集成电路来实施（如图3所示）。
图1（相关技术）显示了逆变器的电路构造的实例，并且图2（相关技术）显示了低压DC-DC转换器的电路构造的实例。
图3（相关技术）显示了通过简单地集成在图1中所示的逆变器和在图2中所示的电压DC-DC转换器而获得的电路构造。
在车辆行业中，逆变器可以被称为MCU（电动机控制单元），这是因为逆变器是通过将DC高压转换为AC电压而驱动电动机的电子电力控制单元。
参照图1，配置逆变器10，使得输入至DC输入端的DC高压HV经过由多个电容器组成的电容器模块12，并且已经经过电容器模块12的DC高压通过电力转换模块14转换成AC，从而驱动电动机20。
对于本领域的技术人员显然的是，在逆变器10的电容器模块12中，作为使输入电压变平坦的电容器的DC电容器12a通常为大尺寸器件，并且作为降低在输入电压中的噪声的电容器的Y电容器12b通常为小尺寸器件。因此，逆变器10的电容器模块12由大尺寸的DC电容器12a和小尺寸的Y电容器12b组成。
参照图2，配置低压DC-DC转换器30，使得DC高压HV经过扼流线线圈31、Y电容器32b以及X电容器32c，并且穿过包括多个MOSFET33、线圈、变压器、电感器、二极管和电容器的多个各种器件而被转换，然后输出。
包括在低压DC-DC转换器30中的Y电容器32b和X电容器32c，其作为用于去除在输入电压中的噪声的电容器，通常为小尺寸器件。
参考图1至图3，可以看出，根据相关技术的逆变器和低压DC-DC转换器为分开的单独电子电力控制单元或者被简单地集成在一个封装内，使得它们不共用DC电压输入端。
因此，根据相关技术的实施方案的逆变器和低压DC-DC转换器的问题在于，它们降低了在环境友好车辆中的空间可用性，并且增加了制造成本。
对相关技术进行的描述旨在帮助理解本发明的背景，并且可以包括在对本领域的技术人员已知的相关技术之外的内容。
公开于该发明背景技术部分的上述信息仅仅旨在加深对发明背景的理解，因此其可以包含的信息并不构成在本国已为本领域技术人员所公知的现有技术。
发明内容
已作出的本发明致力于提供一种共用环境友好车辆的DC输入部件的集成电子电力控制单元，其优点为通过允许在环境友好车辆中作为EPCU（电子电力控制单元）的逆变器和LDC（低压DC-DC转换器）共用DC输入端，而能够减小电子电力控制单元的尺寸，改进性能并降低成本。
本发明的一个示例性实施方案提供了一种环境友好车辆的集成电子电力控制单元，其包括逆变器和低压DC-DC转换器，所述逆变器为通过将DC电压转换成AC电压而驱动电动机的电子电力控制单元，所述低压DC-DC转换器为通过将DC高压转换成低压DC电压而给低压电池充电的电子电力控制单元，其中所述逆变器可以包括由使输入电压变平坦的电容器和去除输入电压的噪声的电容器组成的电容器模块，并且可以集成所述逆变器和所述低压DC-DC转换器，使得所述逆变器的电容器模块的输出变为所述低压DC-DC转换器的输出。
所述逆变器的电容器模块可以负责在所述低压DC-DC转换器中的电容器的功能。
所述逆变器和所述低压DC-DC转换器可以共用冷却通道。
所述电容器模块可以设置成靠近所述冷却通道，或者在所述冷却通道之间。
如上所述，根据本发明的示例性实施方案，可以通过与低压DC-DC转换器共用作用为逆变器的DC输入端的电容器模块，并且通过允许所述逆变器和所述低压DC-DC转换器共用冷却通道而实现如下的效果。
首先，可以通过集成所述逆变器和所述低压DC-DC转换器来减小封装的尺寸，使得可以容易地利用环境友好车辆的发动机室的布局。
第二，由于所述逆变器的电容器模块既作用为在所述逆变器中的滤波器，又作用为所述低压DC-DC转换器的附加滤波器，因此与相关技术相比可以更加显著地降低噪声，因此可以改进并优化环境友好车辆的电磁波性能。
第三，通过共用所述冷却通道的方式，可以降低外壳的制造成本，并且利用所述冷却通道的简化来降低成本。
附图说明
图1（相关技术）为根据相关技术的在环境友好车辆中的逆变器的电路示意图。
图2（相关技术）为根据相关技术的在环境友好车辆中的低压DC-DC转换器的电路示意图。
图3（相关技术）为根据相关技术的逆变器和低压DC-DC转换器被简单地集成的电路示意图。
图4为根据本发明的示例性实施方案的在其中集成了逆变器和低压DC-DC转换器以共用输入端的环境友好车辆的集成电子电力控制单元的电路示意图。
图5为根据本发明的示例性实施方案的包括在环境友好车辆的集成电子电力控制单元中的低压DC-DC转换器的另一个电路示意图。
图6为根据本发明的示例性实施方案的环境友好车辆的集成电子电力控制单元的布局示意图。
图7为根据本发明的另一个示例性实施方案的环境友好车辆的集成电子电力控制单元的布局示意图。
具体实施方式
下面，将参考所附附图在下文中对本发明进行更为全面的描述，在这些附图中显示了本发明的示例性实施方案。然而，本发明并不限于本文中已描述的示例性实施方案，并且可以以其他方式来体现。
在整个说明书中，给同样的元件以同样的附图标记。
应了解本文所用的术语“车辆”或“车辆的”或其他类似术语一般包括机动车辆，如包括运动型多用途车辆（SUV）、公共汽车、卡车、各种商用车辆的客运汽车、包括各种小船和船舰的船只、飞机等，并包括混合动力车辆、电动车辆、插电式混合动力电动车辆、氢动力车辆和其他选择性的燃料车辆（例如衍生自除了石油之外的来源的燃料）。正如此处所提到的，混合动力车辆是具有两种或更多动力源的车辆，例如汽油动力和电力动力两者的车辆。
此外，如本文所提供的，包括燃料电池车辆、电动车辆、插电式电动车辆以及混合动力车辆等等的环境友好车辆优选地配备有一个或更多个电动机和发动机。
本文使用的术语仅为了描述特定实施方案，并不旨在限制本发明。如本文所使用的，单数形式“一”和“该”旨在也包括复数形式，除非文中明确地另有所指。还应理解，当在本说明书中使用术语“包含”和/或“包括”时，特指存在的状态特征、整体、步骤、操作、元件和/或成分，但是并不排除存在或附加一个或多个其他特征、整体、步骤、操作、元件、成分和/或其分组。如本文所使用的，术语“和/或”包括一个或多个相关联的列出项目的任意或所有组合。
图4为根据本发明的示例性实施方案的环境友好车辆的集成电子电力控制单元的电路示意图。
参照图4，根据本发明的示例性实施方案的集成电子电力控制单元包括逆变器110和低压DC-DC转换器130，其中，逆变器110通过将DC电压转换成AC电压来驱动电动机20，低压DC-DC转换器130通过将DC高压转换成低压DC电压而给低压电池150充电。
逆变器110可以包括由使输入高压HV变平坦的DC电容器112a以及去除输入高压的噪声的Y电容器112b组成的电容器模块112。
尽管根据本发明的示例性实施方案的电容器模块112和根据相关技术的示例性实施方案的电容器模块可以是相同的，但是应当理解，本发明的范围并不限于此。本发明的精神可以应用到使输入高压变平坦并且去除输入高压的噪声的构造，即使它是不同的构造。
如图4所示，逆变器110和低压DC-DC转换器130通过电路而连接，使得逆变器的电容器模块112的输出变为低压DC-DC转换器130的输入。
如图4所示，当逆变器110和低压DC-DC转换器130连接时，逆变器110的电容器模块112既能够作用为逆变器110的滤波器，又能够作用为低压DC-DC转换器130的附加滤波器。
因此，根据本发明的示例性实施方案，与相关技术相比，可以更有效地去除在输入电压中的噪声。
另一方面，如图4所示，当逆变器110和低压DC-DC转换器130连接，使得逆变器110的电容器模块112的输出变为低压DC-DC转换器130的输入时，逆变器110的电容器模块112能够作用为在低压DC-DC转换器130中的电容器，例如，如图2所示的Y电容器32b以及X电容器32c。
因此，如图5所示，在本发明的另一个示例性实施方案中，如在低压DC-DC转换器130’中，能够移除Y电容器32b以及X电容器32c。因而，根据本发明的另一个示例性实施方案，可以降低部件的成本并实现更加紧凑的尺寸。
图6为显示根据本发明的示例性实施方案的集成电子电力控制单元的封装布局的图。
参考图6，在根据本发明的示例性实施方案的集成电子电力控制单元100中的逆变器110和低压DC-DC转换器130能够共用由输入冷却剂管道160a和输出冷却剂管道160b形成的冷却通道。
具体地，如图6所示，在根据本发明的示例性实施方案的集成电子电力控制单元100中，共用由输入冷却剂管道160a和输出冷却剂管道160b形成的冷却通道，以冷却平行布置的电容器模块112、逆变器电力模块114以及低压DC-DC转换器的封装。
由于电容器模块112由逆变器110和低压DC-DC转换器130共用，电容器模块112可能生成过量的热量。
因此，在本发明的另一个示例性实施方案中，如图7所示，电容器模块112可以设置成靠近由输入冷却剂管道160a和输出冷却剂管道160b实施的冷却通道，或者在所述冷却通道之间，以便更加有效地除去电容器模块112的热量。
具体地，如图7所示，在本发明的另一个示例性实施方案中，电容器模块112可以设置成靠近低压DC-DC转换器130和逆变器电力模块114，或者在低压DC-DC转换器130和逆变器电力模块114之间。
因此，根据本发明的示例性实施方案，由于逆变器和低压DC-DC转换器能够共用同样是逆变器和冷却通道的DC输入端的电容器模块，因此可以减小集成有逆变器和低压DC-DC转换器的电子电力控制单元的尺寸，改进性能并降低成本。
尽管已经结合目前被认为是实用的示例性实施方案描述了本发明，但应该理解本发明不限于公开的实施方案，而相反地，其旨在涵盖包括在所附权利要求的精神和范围内的各种变化和等效布置。

Claims (10)

1.一种车辆的集成电子电力控制单元，包括：
逆变器和低压DC-DC转换器，所述逆变器为通过将DC电压转换成AC电压而驱动电动机的电子电力控制单元，所述低压DC-DC转换器为通过将DC高压转换成低压DC电压而给低压电池充电的另一个电子电力控制单元，
其中所述逆变器包括由使输入电压变平坦的电容器和去除输入电压的噪声的电容器组成的电容器模块，以及
集成了所述逆变器和所述低压DC-DC转换器，使得所述逆变器的电容器模块的输出变为所述低压DC-DC转换器的输出。
2.根据权利要求1所述的车辆的集成电子电力控制单元，其中所述逆变器的电容器模块负责在所述低压DC-DC转换器中的电容器的功能。
3.根据权利要求1所述的车辆的集成电子电力控制单元，其中所述逆变器和所述低压DC-DC转换器共用冷却通道。
4.根据权利要求3所述的车辆的集成电子电力控制单元，其中所述电容器模块设置成邻近所述冷却通道。
5.根据权利要求1所述的车辆的集成电子电力控制单元，其中所述集成电子电力控制单元配置成被安装在车辆内，所述车辆从包括以下类型的组中选择：燃料电池车辆、电动车辆、插电式电动车辆以及混合动力车辆。
6.根据权利要求1所述的车辆的集成电子电力控制单元，其中集成电子电力控制单元配置成被安装在车辆内，所述车辆能够在混合电动车辆模式下和电动车辆模式下操作。
7.一种车辆，其至少能够在混合电动车辆模式下和电动车辆模式下操作，包括：
集成电子电力控制单元，包括：
逆变器和低压DC-DC转换器，所述逆变器为通过将DC电压转换成AC电压而驱动电动机的电子电力控制单元，所述低压DC-DC转换器为通过将DC高压转换成低压DC电压而给低压电池充电的另一个电子电力控制单元，
其中所述逆变器包括由使输入电压变平坦的电容器和去除输入电压的噪声的电容器组成的电容器模块，以及
集成了所述逆变器和所述低压DC-DC转换器，使得所述逆变器的电容器模块的输出变为所述低压DC-DC转换器的输出。
8.根据权利要求7所述的车辆，其中所述逆变器的电容器模块负责在所述低压DC-DC转换器中的电容器的功能。
9.根据权利要求7所述的车辆，其中所述逆变器和所述低压DC-DC转换器共用冷却通道。
10.根据权利要求9所述的车辆，其中所述电容器模块设置成邻近所述冷却通道。
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CN106130367B (zh) * 2016-07-29 2018-09-28 芜湖迈特电子科技有限公司 自降温式多功能车载逆变器
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CN104002744B (zh) 2018-03-20
US9610846B2 (en) 2017-04-04

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