CN113085527B - 一种双电机功率分流混动变速器结构 - Google Patents

一种双电机功率分流混动变速器结构 Download PDF

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CN113085527B
CN113085527B CN202110388715.9A CN202110388715A CN113085527B CN 113085527 B CN113085527 B CN 113085527B CN 202110388715 A CN202110388715 A CN 202110388715A CN 113085527 B CN113085527 B CN 113085527B
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gear
power
transmission structure
assembly
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CN113085527A (zh
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王征
吴萍
龚丽萍
任广福
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Zhejiang Xuanfu Technology Co ltd
Zhejiang Geely Holding Group Co Ltd
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Zhejiang Geely Holding Group Co Ltd
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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
    • 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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    • B60K6/36—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
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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
    • B60K6/26—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
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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
    • 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
    • B60K6/30—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 chargeable mechanical accumulators, e.g. flywheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
    • 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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Abstract

本发明提供了一种双电机功率分流混动变速器结构，属于混动汽车变速器技术领域。它解决了现有混动结构在工作过程中能耗较高且输出功率低的问题。本变速器结构包括差速器总成、电机一、电机二以及与发动机曲轴连接的飞轮，电机二与差速器总成传动连接，飞轮与电机一之间通过行星排总成相连接且能够实现动力耦合，本变速器结构还包括与行星排总成连接且能够对行星排总成实现制动的制动器，行星排总成与差速器总成之间传动连接且两者之间设有能够控制离合的离合器。本变速器结构具有多种运动模式通过在各个模式之间的切换来满足降低能耗以及提高输出功率的效果。

Description

一种双电机功率分流混动变速器结构
技术领域
本发明属于混动汽车变速器技术领域，涉及一种变速器结构，尤其涉及一种双电机功率分流混动变速器结构。
背景技术
混合动力驱动系统是一种具有纯电力驱动、纯发动机驱动和混合驱动能力的混合动力驱动系统，主要是通过变速器结构来实现各个动力之间的切换。现有变速器结构种类繁多但是输出动力普遍较弱，随着发展在众多变速器结构中拥有较大的输出功率的功率分流混动变速器脱颖而出，现有的功率分流变速器都是通过发动机与电机进行串联，电机能与发动机同时进行功率输出来增强整个变速器的动力输出，但是现有的功率分流变速器在能耗方面的表现都有所欠缺。如申请号为：201821044214.9所介绍的功率分流式混动动力变速器，该变速器也采用功率分流的混动模式，但是车辆在使用的过程中如果是纯电模式发动机通过离合器来切断动力输入整个变速器结构，通过电池对电机供电驱动车辆行驶，但是发动机仍处于运转状态会造成能耗浪费，让整个变速器的能耗升高。而且发动机与电机之间的传动太过于复杂，动力在专递过程中浪费较多，动力传递效率不高使得混动系统的能耗升高。
发明内容
本发明的目的是针对现有技术存在的上述问题，提出了一种双电机功率分流混动变速器结构。它所解决的是现有混动结构在工作过程中能耗较高且输出功率低的技术问题。
本发明的目的可通过下列技术方案来实现：
一种双电机功率分流混动变速器结构，包括差速器总成、电机一、电机二以及与发动机曲轴连接的飞轮，所述电机二与差速器总成传动连接，其特征在于，所述飞轮与电机一之间通过行星排总成相连接且能够实现动力耦合，本变速器结构还包括与行星排总成连接且能够对行星排总成实现制动的制动器，所述行星排总成与差速器总成之间传动连接且两者之间设有能够控制离合的离合器。
本变速器结构在电机一和飞轮之间设计有制动器、离合器以及行星排总成等独特的传动结构，使得汽车能够在以下几种驱动模式间进行切换，
汽车在静止起步或低速低负荷状态时，能够进入纯电驱动模式：离合器断开，制动器结合，发动机和电机一都不工作，电机二通过电池来直接供电将动力输入差速器总成供车辆行驶，倒档操作时直接通过使电机二反向转动即可，发动机不工作，使得整个变速器的能耗较低。
混合驱动模式：离合器断开，制动器结合，断开行星排总成与差速器总成之间的联动状态，发动机的动力通过行星排总成传动给电机一进行发电，电机一发出的电可以供电机二转动对差速器总成输入动力驱动车辆行驶，在电机一对电机二供电多余的情况下可以输入电池进行回收储存，这样设计在驱动车辆的同时回收电能使得本变速器能耗较低。
本驱动模式下如果遇到急加速的情况，电机一发出的电全部供电机二驱动，同时电池也会对电机二进行供电，这样双向供电下让电机二输出强劲的动力，使得本变速器在混动模式下车辆加速时的输出功率得到提升。
功率分流驱动模式：制动器断开，离合器闭合，发动机工作，电机一通电也处于运转状态，发动机和电机一的转速可以同时输入到行星排总成上耦合叠加再输入到差速器总成上，本变速器结构能通过耦合发动机和电机一两个的转速并输出，电机一与发动机一起参与输出功率使得变速器在输出功率提升的同时能耗较低。在功率分流的模式中还可以通过电池对电机二进行通电对耦合了发动机和电机一的输出转速再进行一次曾程，进一步的增加输入到差速器总成上的输出转速，进一步的提高了本变速器的输出功率。
在上述的一种双电机功率分流混动变速器结构中，所述行星排总成包括外齿圈、太阳轮、设置在行星架上的行星轮，所述飞轮与行星架相固连，所述电机一的转轴与所述太阳轮相连接，所述制动器和离合器均与所述外齿圈相连接。
制动器和离合器均与外齿圈相连接，当制动器断开时即可实现发动机动力与电机一动力的叠加，叠加后需要通过离合器的闭合才能将动力传动到差速器总成上，从而实现动力分流的工作状态，这样设计提升整个变速器的输出功率且相对能耗较低。
而在制动器闭合时，发动机只能通过行星轮将动力传动到太阳轮上从而实现转速降低传动给电机一进行发电，这样能让电机一处于最佳工作转速提高发电效率，从而降低能耗。电机一发电供电机二驱动，这时离合器是处于断开状态避免动力反向传动到行星架总上。
在上述的一种双电机功率分流混动变速器结构中，本变速器结构还包括主动齿轮、从动轴、以及分别设置在从动轴两端的被动齿轮和输出齿轮，所述外齿圈通过上述离合器与所述主动齿轮传动连接，所述主动齿轮与所述被动齿轮相啮合，所述输出齿轮与所述差速器总成传动连接。
在上述的一种双电机功率分流混动变速器结构中，所述电机二的转轴上连接有齿轮一和齿轮二，所述齿轮一和齿轮二之间通过同步器连接，所述齿轮一与被动齿轮啮合，所述齿轮二与输出齿轮啮合。
在功率分流驱动的模式下电机二可以有两个档位对输出的转速进行进一步的曾程，齿轮一和齿轮二代表着电机二有两个介入输出的功率，通过同步器的切换来实现电机二输出是通过齿轮一与被动齿轮啮合输出动力还是通过齿轮二与输出齿轮啮合输出动力，两档的输出选择使得本变速器的输出功率进一步得到加强。如果外齿圈输出的转速过大时通过从动轴上的被动齿轮或输出齿轮能将动力输入到电机二处带动电机二发电从而实现动力回收，降低变速器的能耗，同样也可以有两档来变换电机二发电的效率。
在上述的一种双电机功率分流混动变速器结构中，所述电机一与所述飞轮同轴设置。
电机一与飞轮同轴设置这样传动效率较高，且电机一与飞轮之间传动部件较少，传动效率高，能有效地降低能耗。
在上述的一种双电机功率分流混动变速器结构中，所述电机一的轴线与所述电机二的轴线相平行，且所述电机一与所述电机二电联。
在上述的一种双电机功率分流混动变速器结构中，所述离合器为液压耦合离合器。
与现有技术相比，本产品的优点在于：
1、纯电驱动模式电机二通过电池来直接供电将动力输入差速器总成供车辆行驶，倒档操作时直接通过使电机二反向转动即可，发动机不工作，使得整个变速器的能耗较低。
2、混合驱动模式发动机的动力通过行星排总成传动给电机一进行发电，电机一发出的电可以供电机二转动对差速器总成输入动力驱动车辆行驶，在电机一对电机二供电多余的情况下可以输入电池进行回收储存，这样设计在驱动车辆的同时回收电能使得本变速器能耗较低。
3、功率分流驱动模式发动机工作，电机一通电也处于运转状态，发动机和电机一的转速可以同时输入到行星排总成上耦合叠加再输入到差速器总成上，本变速器结构能通过耦合发动机和电机一两个的转速并输出，电机一与发动机一起参与输出功率使得变速器在输出功率提升的同时能耗较低。
附图说明
图1是本发明的结构简化图。
图中，1、飞轮；2、差速器总成；3、行星排总成；31、外齿圈；32、太阳轮；33、行星架；34、行星轮；4、电机一；5、主动齿轮；6、从动轴；61、被动齿轮；62、输出齿轮；7、电机二；81、齿轮一；82、齿轮二；9、同步器；10、制动器；11、离合器。
具体实施方式
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。
如图1所示的一种双电机功率分流混动变速器结构，本变速器结构的发动机动力输入端为飞轮1，飞轮1通过与发动机上的曲轴刚性连接来传导动力，差速器总成2的作用是控制动力输入到汽车轮上使其行驶。本变速器的飞轮1上连接有行星排总成3，行星排总成3上连接有电机一4，行星排总成3通过行星架33、太阳轮32、外齿圈31和数个行星轮34组成，数个行星轮34固定在行星架33上，太阳轮32位于数个行星轮34之间，太阳轮32与电机一4的输出轴固定，行星架33与飞轮1固连。行星轮34均匀分布在行星架33上且太阳轮32位于行星轮34之间且与每个行星轮34都处于啮合状态，只要同时转动行星轮34和太阳轮32则两个转动的动力则会耦合叠加在外齿圈31上，这样设计结构简单，方便实用，而且飞轮1与电机一4之间传动的结构较为简单在传动过程中浪费的动能较少，所有能耗进一步的得到降低。电机一4上连接有动力电池，飞轮1和电机一4能同时转动耦合动力至外齿圈31，外齿圈31上通过离合器11连接主动齿轮5，差速器总成2与主动齿轮5之间设有齿轮组6。
本飞轮1上通过行星排总成3连接有电机一4，飞轮1与行星排总成3的输入端连接，电机一4与行星排总成3的输出端连接，而电机一4上还连接着动力电池，电机一4在动力电池的通电下转动对行星排总成3输入动力，发动机再工作通过飞轮1也对行星排总成3输入动力，两个动力则会耦合叠加在行星排总成3的外齿圈31上，外齿圈31再通过主动齿轮5与齿轮组6将动力传导到差速器总成2上从而带动车辆行动，这样的发动机与动力电池配合的输出动力使得发动机在工作过程中的能耗大幅度降低。
在车辆的行驶过程中，发动机的转速是不断变化的，但是发动机是存在最佳的工作状态的，在该状态下保持转速不变发动机高效工作且油耗最低，但是我们平时在行车过程中需要刹车或加速所以无法长久保持该状态。本变速器结构通过行星排总成3来将发动机的转速与电机一4的转速耦合叠加来输入差速器总成2上供车辆驱动行驶，本设计可以通过设置让发动机始终保持最佳工作状态下的功率输出，然后通过调节电机一4的转速来调节整体的功率输出大小，这样设计发动机始终保持在最佳工作状态，整个混动结构的能耗得到大幅度下降。
齿轮组6包括被动齿轮61和输出齿轮62，被动齿轮61与输出齿轮62同轴固定连接，输出齿轮62与差速器总成2啮合，被动齿轮61与主动齿轮5啮合。飞轮1与电机一4的耦合叠加的动力通过同轴固定在一起的被动齿轮61和输出齿轮62来进行传动给差速器总成2，这两者之间的传动部件较少传动效率较高，进一步的降低了整个变速器的能耗。本变速器结构还包括电机二7，电机二7与动力电池电联，电机二7上设有电机齿轮组，电机齿轮组包括齿轮一81和齿轮二82，齿轮一81和齿轮二82同轴固定在电机二7上，齿轮一81与被动齿轮61啮合，齿轮二72与输出齿轮62啮合，齿轮一81和齿轮二82之间设有同步器9。齿轮一81和齿轮二82代表着电机二7有两个档位可以干预整个变速器的输出转速，齿轮一81和齿轮二82可以通过同步器9来切换档位，这样设计结构简单，方便实用，使得本变速器的混动模式变得丰富多样。
电机二7的设计的作用具有两点：其一是电机二7如果通过动力电池输入动力的情况下可以在被动齿轮61处再次输入动力与飞轮1和电机一4耦合叠加了的动力再次叠加进一步的增加整个变速器的输出功率，提供给车辆更加出色动力；其二是动力电池不对电机二7输入动力，而电机二7由于电机齿轮组与被动齿轮61或输出齿轮62之间的啮合会带着电机二7发电，这样设计会对发动机和电机一4叠加的输出动力进行回收，回收回来的电能则会输入到动力电池处储存，有效的降低了本变速器的能耗。
本变速器结构包括制动器10，制动器10连接在外齿圈31上，外齿圈31与主动齿轮5之间设有离合器11。离合器11为液压耦合离合器，耦合离合器11结构简单，工作稳定。制动器10和离合器11的组合可以让本变速器具有多种混动模式，比如制动器10闭合，离合器11断开的情况下，发动机动力输入行星排总成3则会带着电机一4进行发电对动力电池进行充电。动力电池可以直接对电机二7进行供电让电机二7带动被动齿轮61转动动力输入差速器总成2，由于主动齿轮5上的离合器11断开所以主动齿轮5处于空转状态不影响传动，这样的状态下发动机也可以停止工作，整个变速器单纯以纯电的模式进行输出动力，该模式应用于车辆起步状态，大大的降低了能耗。电机一4与电机二7电联，在当离合器11断开，制动器10闭合的时候，电机一4发出的电能直接带动电机二7转动输出动力，如果电机一4发出电量有多则可以通过动力电池进行储存，将发动机的工作状态调整到最佳，车辆一边行驶一边充电，大幅度的降低了能耗。有制动器10和离合器11的存在发动机可以始终保持工作状态给予整个变速器结构带来不同的作用，要么直接干预动力输出要么可以给予电机充电回收动力，大大的降低了整个变速器结构的能耗。
本变速器结构可以分以下三种驱动模式：
1、纯电模式，就是由动力电池供电的纯电动驾驶模式，它适用于从静止起步及低速低负荷状态的情况。此模式下发动机不运转，电机一4也不工作，离合器11断开，制动器10结合，仅由动力电池向电机二7提供电力供车辆行驶。纯电驱动模式动力流为：同步器9与齿轮一连接，电机二7旋转，动力传输至齿轮一上，齿轮一将电机二7的动力传送到被动齿轮61和输出齿轮62以及差速器总成2上，从而驱动车辆运动。倒档操作通过使电机二7反向转动实现。
2、混合驱动模式，离合器11断开，制动器10结合，由发动机通过行星减速机构带动电机一4发电，直接为电机二7供电驱动车轮，适合高负载急加速的工况。根据电池充放电状态可细分为两种模式，即ECVT充电模式和ECVT辅助模式。ECVT充电模式就是介于纯电和ECVT辅助模式之间的状态，电机二7负载较大，但还不需要电池和发动机一起供电。这时候发动机启动，根据驾驶条件被主动控制，在最佳转速范围内工作，发动机带动电机一4发电，电机一4产生的电能直接向电机二7供电，多余的电能用于对动力电池充电，而动力电池不向电机二7供电。ECVT辅助模式主要在加速期间使用，是本混动系统最强动力模式。此时发动机通过行星减速机构带动电机一4发电，电机一4发出来的电直接全数用来驱动电机二7，但是还不够，动力电池也参与进来，共同供给电机而，使电机二7功率和扭矩达到巅峰。
3、功率分流驱动模式，在功率分流驱动模式期间，制动器10断开，离合器11结合，发动机和电机一4共同输出功率，发动机始终保持在高效区，用电机一4来调节。
主动齿轮5的输出转速；电机二7可以有2个档位用于辅助驱动或发电，是根据输入条件和电机二7的发电高效区来选择档位。发动机驱动模式的动力流为：发动机运转，从飞轮1输出的发动机动力驱动行星排总成3，电机一4驱动太阳轮，两者耦合动力后由外齿圈31输出动力。对离合器11施加液压，然后离合器11将外齿圈31和主动齿轮5接合在一起。动力能够从主动齿轮5传递到被动齿轮61上，再从输出轴传送到差速器总成2上，从而驱动车辆运动。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (7)

1.一种双电机功率分流混动变速器结构，包括差速器总成(2)、电机一(4)、电机二(7)以及与发动机曲轴连接的飞轮(1)，所述电机二(7)与差速器总成(2)传动连接，其特征在于，所述飞轮(1)与电机一(4)之间通过行星排总成(3)相连接且能够实现动力耦合，本变速器结构还包括与行星排总成(3)连接且能够对行星排总成(3)实现制动的制动器(10)，所述行星排总成(3)与差速器总成(2)之间传动连接且两者之间设有能够控制离合的离合器(11)；所述行星排总成(3)包括外齿圈(31)、太阳轮(32)、设置在行星架(33)上的行星轮(34)，所述飞轮(1)与行星架(33)相固连，所述电机一(4)的转轴与所述太阳轮(32)相连接，所述制动器(10)和离合器(11)均与所述外齿圈(31)相连接。
2.根据权利要求1所述的一种双电机功率分流混动变速器结构，其特征在于，本变速器结构还包括主动齿轮(5)、从动轴(6)、以及分别设置在从动轴(6)两端的被动齿轮(61)和输出齿轮(62)，所述外齿圈(31)通过上述离合器(11)与所述主动齿轮(5)传动连接，所述主动齿轮(5)与所述被动齿轮(61)相啮合，所述输出齿轮(62)与所述差速器总成(2)传动连接。
3.根据权利要求2所述的一种双电机功率分流混动变速器结构，其特征在于，所述电机二的转轴上连接有齿轮一(81)和齿轮二(82)，所述齿轮一(81)和齿轮二(82)之间通过同步器(9)连接，所述齿轮一(81)与被动齿轮(61)啮合，所述齿轮二(82)与输出齿轮(62)啮合。
4.根据权利要求1-3任一所述的一种双电机功率分流混动变速器结构，其特征在于，所述电机一(4)与所述飞轮(1)同轴设置。
5.根据权利要求4所述的一种双电机功率分流混动变速器结构，其特征在于，所述电机一(4)的轴线与所述电机二(7)的轴线相平行。
6.根据权利要求5所述的一种双电机功率分流混动变速器结构，其特征在于，所述电机一(4)与所述电机二(7)电联。
7.根据权利要求6所述的一种双电机功率分流混动变速器结构，其特征在于，所述离合器(11)为液压耦合离合器。
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