CN101992775A - 混合动力车动力***制动控制装置 - Google Patents

混合动力车动力***制动控制装置 Download PDF

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CN101992775A
CN101992775A CN200910194471XA CN200910194471A CN101992775A CN 101992775 A CN101992775 A CN 101992775A CN 200910194471X A CN200910194471X A CN 200910194471XA CN 200910194471 A CN200910194471 A CN 200910194471A CN 101992775 A CN101992775 A CN 101992775A
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power system
brake
hybrid vehicle
vehicle power
braking force
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CN101992775B (zh
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李书福
杨健
张彤
余卫
马智涛
于海生
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Jiangxi Dingsheng New Material Technology Co ltd
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SHANGHAI HUAPU GUORUN AUTO CO Ltd
Zhejiang Geely Holding Group Co Ltd
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Priority to PCT/CN2010/001282 priority patent/WO2011022939A1/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18109—Braking
    • 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
    • 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
    • B60K6/445—Differential gearing distribution type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/11—Stepped gearings
    • B60W10/115—Stepped gearings with planetary gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • 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
    • 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
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/10—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts
    • F16H2037/103—Power split variators with each end of the CVT connected or connectable to a Ravigneaux set
    • 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)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

本发明涉及一种混合动力车动力***的控制装置。包括制动器、制动器控制装置，混合动力车的动力***包括发动机、小电机、大电机，三者通过一个行星齿轮装置相连，发动机的动力输出轴与行星架转轴相连，该行星架上的行星齿轮分别与小太阳轮相啮合，小太阳轮的转轴即为小电机转轴，星架上的行星齿轮分别与长行星轮相啮合，长行星轮分别与大太阳轮相啮合，所述的小太阳轮转轴上设有电机制动器；所述的行星架上设有发动机制动器。具有结构巧妙、操作方便、能源利用率高的特点。

Description

混合动力车动力***制动控制装置
技术领域
本发明涉及一种混合动力车的动力***，尤其是涉及一种混合动力车动力***的控制装置。
背景技术
混合动力车在机械结构设计方面增加了电机***，根据整车控制策略合理控制电机和发动机的工作和停止，对降低整车油耗和提高***能量转换效率显得尤其重要。电机和发动机作为运动件必需通过制动器的锁止和松开，来控制其是否运转，根据汽车不同的行驶需求对发动机和电动机进行制动，从而协调控制发动机和双电机的转矩分配，使得其更有利于提高能源利用率。需要解决的主要技术问题包括：
1.车辆高速行驶时电机的锁止问题；
2.纯电动时发动机的锁止问题；
3.电机制动器和发动机制动器的锁止问题。
在现有的技术方案中(如图1)，动力传动装置包括发动机、发电机、电动机、辛普森行星齿轮系。在行星齿轮的外齿圈与电动机之间设置一个离合器，以便它们两者可以分离和结合，同时设置一个制动器以便当离合器分离时锁止该外齿圈。目的是当离合器结合时实现并联混合动力车辆的构成，而当离合器分离而齿圈被制动器固定时实现串联混合动力车辆的构成。根据车辆的行驶状态来切换这些方式，从而发挥每种方式的优点而进行行驶。
但是该动力传动装置以改进型辛普森行星齿轮为基础，电动机通过离合器直接与外齿圈相连，发电机直接和太阳轮相连。发动机的转速通过发电机进行控制，与电动机无关。由于发电机无法锁止，始终存在充放电过程，始终有能量的转换，***效率降低。
申请号为200710152568.5的发明专利公开了一种混合动力车辆的模式切换控制装置，在伴随再生制动的运行中，在高效的能量回收的基础上，执行从HEV模式向EV模式的切换。针对如下情况进行说明，即在EV行驶中，在t0时蓄电池蓄电状态(SOC)小于SOC(L)，其结果进行EV→HEV模式切换，希望减速而在t1后保持加速度开度为0，通过HEV模式使SOC上升，在t3时大于或等于SOC(H)。在加速器踏板释放t1后，判断处于低负载运行的t2时，通过SOC(H)消失，取代SOC(H)而基于SOC(L)进行HEV→EV模式切换判断，在t3前进行切换。由此使在牵引发动机的同时进行再生制动时间变短，不牵引发动机的再生制动时间相应地变长，提高能量回收率。申请号为200710092939.5的发明专利公开了一种混合动力车及其控制方法，其中该混合动力车包括：内燃机、双转子电机、电动/发电机、锁止离合器、差速器、蓄电池、控制单元、内燃机管理***、电子油门踏板、制动踏板、选档器；双转子电机第一转子与内燃机曲轴机械连接，双转子电机第二转子直接通过差速器驱动车辆，电动/发电机直接通过差速器驱动车辆；通过双转子电机和电动/发电机实现内燃机动力分路(机械和电力)驱动车辆；可以实现多种组合：纯电力驱动、纯机械驱动、机械电力混合传动、制动再生发电和调峰发电。这两种技术方案都表达了对电机和发动机的工作状态的切换的愿望，但都没有对发电机的锁上结构进行具体描述。
发明内容
本发明主要是解决现有技术所存在的发电机无法锁止造成能源的转换效率低等的技术问题，提供一种结构巧妙、操作方便、能源利用率高的混合动力车动力***制动控制装置。
本发明的上述技术问题主要是通过下述技术方案得以解决的：一种混合动力车动力***制动控制装置，包括制动器、制动器控制装置，其特征在于所述的混合动力车的动力***包括发动机、小电机、大电机，三者通过一个行星齿轮装置相连，发动机的动力输出轴与行星架转轴相连，该行星架上的行星齿轮分别与小太阳轮相啮合，小太阳轮的转轴即为小电机转轴，星架上的行星齿轮分别与长行星轮相啮合，长行星轮分别与大太阳轮相啮合，所述的小太阳轮转轴上设有电机制动器；所述的行星架上设有发动机制动器。小太阳轮与小电机相连，大太阳轮和大电机相连，发动机与行星架相连，整个***的输出转矩通过外齿圈输出。双行星排共用行星架和外齿圈，长短行星轮互相啮合。当整车运行在高速工况时，此时发动机处在经济运行区，且发动机输出功率能满足整车工况需求，此时利用电机制动器将小电机锁止，减少中间环节能量传递过程，从而减小能量损耗，提高了***能量转换效率；当整车运行在纯电动工况下，通过发动机制动器将发动机锁止，整车动力完全由电池提供。锁止发动机，可以防止发动机反转，同时降低了纯电动工况下整车***控制的复杂度。
作为优选，所述的制动器控制装置设有一个液压***，电机制动器和发动机制动器均由一个制动油路控制。
作为优选，所述的液压***包括两个锁止阀，两个电磁控制阀以及两个恒压源，两个锁止阀分别设有控制油路和制动油路，控制油路的进油口与一个恒压源相连通，出油口与电磁控制阀的油路相连通；制动油路的进油口与另一个恒压源相连通，出端口与制动器想连通。通过控制电磁阀的开启和闭合控制液压油路。当电磁阀通过后，锁止阀的弹簧被压缩，由于恒压源的压力恒定，其中一个恒压源通过制动油路控制制动器锁止；当电磁阀断电，控制油路卸压，弹簧将恢复原始长度，制动油路卸压，制动力消失。
作为优选，制动油路上设有一个单向卸压油路。在制动油路卸压时，该单向卸压油路工作，完成卸压，而由于其具有单向性，所以在任何性况下都不会出现倒吸。
作为优选，所述的制动器控制装置还包括一电控单元，所述的电磁控制阀的控制电路与电控单元相连，该电控单元与整车电控单元电连接。小电机与发动机的锁止与松开需要根据连速和车上的能源情况进行适时调整，所以需要与整车的控制时行协调。
作为优选，所述的电控单元通过CAN总线与整车电控单元相连。它是一种有效支持分布式控制或实时控制的串行通信网络。基于CAN总线的分布式控制***在以下方面具有明显的优越性：
首先，CAN控制器工作于多主方式，网络中的各节点都可根据总线访问优先权(取决于报文标识符)采用无损结构的逐位仲裁的方式竞争向总线发送数据，且CAN协议废除了站地址编码，而代之以对通信数据进行编码，这可使不同的节点同时接收到相同的数据，这些特点使得CAN总线构成的网络各节点之间的数据通信实时性强，并且容易构成冗余结构，提高***的可靠性和***的灵活性。其次，CAN总线通过CAN收发器接口芯片82C250的两个输出端CANH和CANL与物理总线相连，而CANH端的状态只能是高电平或悬浮状态，CANL端只能是低电平或悬浮状态。另外，与其它现场总线比较而言，CAN总线是具有通信速率高、容易实现、且性价比高等诸多特点的一种已形成国际标准的现场总线。
作为优选，所述的小电机和大电机的线圈分别与一个变频器相连，变频器与蓄电池电连接。高速时发动机运行在经济区，不需要充放电，锁止电机E1，整个***能量转换效率高。在纯电动时利用发动机制动器对发动机锁止控制，整车动力源完全由电池、小电机和大电机通过蓄电池放电转动，作为驱动力，可以避免发动机转速为负值。当汽车在低速运行时，大小电机同时发电对蓄电池进行充电。
作为优选，所述的电机制动器和发动机制动器均为液压制动器。液压制动器具有操作方便，锁止稳定可靠的特点。
本发明的带来的有益效果是，解决了现有技术所存在的发电机无法锁止造成能源的转换效率低等的技术问题，实现了一种结构巧妙、操作方便、能源利用率高的混合动力车动力***制动控制装置。
附图说明
附图1是现有的混合动力车动力***抽动控制装置；
附图2是本发明的一种结构示意图；
附图3是本发明的制动油路的一种结构示意图；
附图4是本发明的制动油路的控制电路示意图。
具体实施方式
下面通过实施例，并结合附图，对本发明的技术方案作进一步具体的说明。
实施例：附图1是现有的混合动力车动力***抽动控制装置；附图2是本发明的一种结构示意图；附图3是本发明的制动油路的一种结构示意图；附图4是本发明的制动油路的控制电路示意图。本发明是一种混合动力车动力***制动控制装置，包括制动器、制动器控制装置，该制动器为液压制动器，包括电机制动器10和发动机制动器7。该动力***包括发动机、小电机9、大电机8，三者通过一个行星齿轮装置相连。小电机和大电机的线圈分别与一个变频器相连，变频器与蓄电池电连接。发动机的动力输出轴1与行星架2转轴相连，该行星架上的行星齿轮5分别与小太阳轮3相啮合，小太阳轮的转轴11即为小电机转轴，星架上的行星齿轮分别与长行星轮6相啮合，长行星轮分别与大太阳轮4相啮合，所述的小太阳轮转轴上设有电机制动器10；所述的行星架上设有发动机制动器7。制动器控制装置设有一个液压***和电控单元。电机制动器和发动机制动器均由一个制动油路控制。该液压***包括两个锁止阀14、15，两个电磁控制阀12、13以及两个恒压源，两个锁止阀分别设有控制油路和制动油路，控制油路的进油口与一个恒压源相连通，出油口与电磁控制阀的油路相连通；制动油路的进油口与另一个恒压源相连通，出端口与制动器想连通。制动油路上设有一个单向卸压油路；电磁控制阀的控制电路与电控单元相连，该电控单元通过CAN总线与整车电控单元电连接。
小太阳轮与小电机相连，大太阳轮和大电机相连，发动机与行星架相连，整个***的输出转矩通过外齿圈输出。双行星排共用行星架和外齿圈，长短行星轮互相啮合。当整车运行在高速工况时，此时发动机处在经济运行区，且发动机输出功率能满足整车工况需求，此时利用电机制动器将小电机锁止，减少中间环节能量传递过程，从而减小能量损耗，提高了***能量转换效率；当整车运行在纯电动工况下，通过发动机制动器将发动机锁止，整车动力完全由电池提供。锁止发动机，可以防止发动机反转，同时降低了纯电动工况下整车***控制的复杂度。
所以本发明具有结构巧妙、操作方便、能源利用率高等特征。

Claims (9)

1.一种混合动力车动力***制动控制装置，包括制动器、制动器控制装置，其特征在于所述的混合动力车的动力***包括发动机、小电机(9)、大电机(8)，三者通过一个行星齿轮装置相连，发动机的动力输出轴(1)与行星架(2)转轴相连，该行星架上的行星齿轮(5)分别与小太阳轮(3)相啮合，小太阳轮的转轴即为小电机转轴，星架上的行星齿轮分别与长行星轮(6)相啮合，长行星轮分别与大太阳轮(4)相啮合，所述的小太阳轮转轴(11)上设有电机制动器(10)；所述的行星架上设有发动机制动器(7)。
2.根据权利要求1所述的混合动力车动力***制动控制装置，其特征在于所述的制动器控制装置设有一个液压***，电机制动器和发动机制动器均由一个制动油路控制。
3.根据权利要求2所述的混合动力车动力***制动控制装置，其特征在于所述的液压***包括两个锁止阀(14、15)，两个电磁控制阀(12、13)以及两个恒压源，两个锁止阀分别设有控制油路和制动油路，控制油路的进油口与一个恒压源相连通，出油口与电磁控制阀的油路相连通；制动油路的进油口与另一个恒压源相连通，出端口与制动器想连通。
4.根据权利要求3所述的混合动力车动力***制动控制装置，其特征在于所述的制动油路上设有一个单向卸压油路。
5.根据权利要求4所述的混合动力车动力***制动控制装置，其特征在于所述的制动器控制装置还包括一电控单元，所述的电磁控制阀的控制电路与电控单元相连，该电控单元与整车电控单元电连接。
6.根据权利要求5所述的混合动力车动力***制动控制装置，其特征在于所述的电控单元通过CAN总线与整车电控单元相连。
7.根据权利要求1或2或3或4或5或6所述的混合动力车动力***制动控制装置，其特征在于所述的小电机和大电机的线圈分别与一个变频器相连，变频器与蓄电池电连接。
8.根据权利要求1或2或3或4或5或6所述的混合动力车动力***制动控制装置，其特征在于所述的电机制动器和发动机制动器均为液压制动器。
9.根据权利要求7所述的混合动力车动力***制动控制装置，其特征在于所述的电机制动器和发动机制动器均为液压制动器。
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