CN113212143A - 一种双电机混合动力驱动***及汽车 - Google Patents
一种双电机混合动力驱动***及汽车 Download PDFInfo
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- 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
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- 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
- B60K6/36—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
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- 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
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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
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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Abstract
一种双电机混合动力驱动***,包括驱动***箱体、发动机、第一电机、差速器,一输入轴、中间轴、第一传动轴、第二传动轴相互平行支承于驱动***箱体内,输入轴的一端通过一离合器连接发动机的曲轴输出端,离合器设置在第二电机的转子内,离合器的外毂与第二电机的转子固定连接;输入轴与中间轴之间分别通过发动机一挡齿轮副、发动机二挡齿轮副相连,发动机一挡齿轮副、发动机二挡齿轮副之间设置用于换挡的第一同步器;第一传动轴上固定设置电动机一挡主动齿轮、电动机二挡主动齿轮,第二传动轴上分别空套设置电动机一挡从动齿轮、电动机二挡从动齿轮,电动机一挡从动齿轮、电动机二挡从动齿轮之间设置用于换挡的第二同步器。
Description
技术领域
本发明涉及混合动力汽车领域,具体涉及一种双电机混合动力驱动***及汽车。
背景技术
传统的燃油汽车通常以石油作为能量源,随着资源的匮乏和汽车尾气排放带来的环境污染,国家对汽车尾气排放的限制越来越严格,因此许多汽车制造商的研发方向逐渐倾向于低排放、低油耗的新能源汽车。但是,新能源汽车中的纯电动汽车,具有整车成本较高、充电时间长、电池寿命不稳定等难以短期解决的问题,而混合动力汽车同样作为新能源汽车一种,同时具有传统燃油汽车和纯电动汽车两者的优点,具有多种高效的驱动模式,既可以通过发动机和第一电机同时驱动,也能够通过发动机或第一电机单独驱动。
目前,混合动力汽车通常采用一个发动机和一个电机提供驱动力,挡位有五个甚至更多,极易造成挡位冗余,且成本较高、整车布置困难,推广的局限性较大,此外,还有多数混合动力汽车不能在行进间启动发动机,节油效果较差,甚至在换挡时动力极易中断,不但驾驶体验感不好,还容易造成事故发生。
发明内容
本发明的目的是针对现有技术对应的不足,提供一种双电机混合动力驱动***,将第二电机与离合器集成在一起,结构简单、空间尺寸小,驱动***趋向于小型化设计,能够适应市场所有的三缸发动机及四缸发动机机仓布置,能适应更多的车型,而采用本发明的双电机混合动力驱动***的汽车,不但解决了电控机械式自动变速器换挡过程中动力中断问题,保证动力不会中断,还可以在加速过程中通过第一电机进行动力辅助,并在行进间启动发动机,不但具有良好的动力性能和驾驶性能,也具有更好的适应性从而提高其燃油经济性,降低排放。
本发明的目的是采用下述方案实现的:一种双电机混合动力驱动***,包括驱动***箱体、发动机、第一电机、差速器,一输入轴、中间轴、第一传动轴、第二传动轴相互平行支承于驱动***箱体内,所述输入轴的一端通过一离合器连接发动机的曲轴输出端,所述离合器设置在第二电机的转子内,离合器的外毂与第二电机的转子固定连接,所述发动机的曲轴输出端与离合器的外毂周向固定连接,所述离合器的主动摩擦盘与外毂固定连接,从动摩擦盘与输入轴固定连接;
所述输入轴与中间轴之间分别通过发动机一挡齿轮副、发动机二挡齿轮副相连,所述发动机一挡齿轮副、发动机二挡齿轮副之间设置用于换挡的第一同步器,所述中间轴上周向固定第一传动齿轮与差速器的减速齿轮啮合;
所述第一传动轴上固定设置电动机一挡主动齿轮、电动机二挡主动齿轮,所述第二传动轴上分别空套设置电动机一挡从动齿轮、电动机二挡从动齿轮,所述电动机一挡从动齿轮、电动机二挡从动齿轮之间设置用于换挡的第二同步器,所述电动机一挡从动齿轮与电动机一挡主动齿轮啮合,电动机二挡从动齿轮与电动机二挡主动齿轮啮合,所述第二传动轴上周向固定第二传动齿轮与差速器的减速齿轮啮合;
所述第一电机的电机轴上周向固定的电机传动齿轮与电动机二挡主动齿轮啮合。
优选地,所述输入轴分别空套设置发动机一挡齿轮副的发动机一挡主动齿轮、发动机二挡齿轮副的发动机二挡主动齿轮,所述发动机一挡主动齿轮和发动机二挡主动齿轮之间设置第一同步器。
优选地,所述中间轴上分别空套设置发动机一挡齿轮副的发动机一挡从动齿轮、发动机二挡齿轮副的发动机二挡从动齿轮,所述发动机一挡从动齿轮和发动机二挡从动齿轮之间设置第一同步器。
本发明包含如下有益效果:一输入轴、中间轴、第一传动轴、第二传动轴相互平行支承于驱动***箱体内,所述输入轴的一端通过一离合器连接发动机的曲轴输出端,所述离合器设置在第二电机的转子内,离合器的外毂与第二电机的转子固定连接,所述发动机的曲轴输出端与离合器的外毂周向固定连接,所述离合器的主动摩擦盘与外毂固定连接,从动摩擦盘与输入轴固定连接;无论离合器是否接合,第二电机在发动机运转过程中均可实现发电功能,提高能量回收效率。
所述输入轴与中间轴之间分别通过发动机一挡齿轮副、发动机二挡齿轮副相连,所述发动机一挡齿轮副、发动机二挡齿轮副之间设置用于换挡的第一同步器,所述中间轴上周向固定第一传动齿轮与差速器的减速齿轮啮合,差速器输出的动力能够改善换挡时出现扭矩中断的现象,提高驾驶舒适性。
所述第一传动轴上固定设置电动机一挡主动齿轮、电动机二挡主动齿轮,所述第二传动轴上分别空套设置电动机一挡从动齿轮、电动机二挡从动齿轮,所述电动机一挡从动齿轮、电动机二挡从动齿轮之间设置用于换挡的第二同步器,所述电动机一挡从动齿轮与电动机一挡主动齿轮啮合,电动机二挡从动齿轮与电动机二挡主动齿轮啮合,所述第二传动轴上周向固定第二传动齿轮与差速器的减速齿轮啮合,差速器输出的动力能够改善换挡时出现扭矩中断的现象,提高驾驶舒适性。
所述第一电机的电机轴上周向固定的电机传动齿轮与电动机二挡主动齿轮啮合,通过第一电机的电机轴反转实现倒挡功能。
优选地,所述输入轴分别空套设置发动机一挡齿轮副的发动机一挡主动齿轮、发动机二挡齿轮副的发动机二挡主动齿轮,所述发动机一挡主动齿轮和发动机二挡主动齿轮之间设置第一同步器,发动机通过第一同步器在一挡、二挡之间切换,发动机一挡齿轮副的发动机一挡从动齿轮、发动机二挡齿轮副的发动机二挡从动齿轮均周向固定在中间轴上。
优选地,所述中间轴上分别空套设置发动机一挡齿轮副的发动机一挡从动齿轮、发动机二挡齿轮副的发动机二挡从动齿轮,所述发动机一挡从动齿轮和发动机二挡从动齿轮之间设置第一同步器,发动机通过第一同步器在一挡、二挡之间切换,发动机一挡齿轮副的发动机一挡主动齿轮、发动机二挡齿轮副的发动机二挡主动齿轮周向固定在输入轴上。
所述发动机一挡主动齿轮与发动机一挡从动齿轮啮合,所述发动机二挡主动齿轮与发动机二挡从动齿轮啮合。
所述第一电机、第二电机可以共用同一组电池,也可以分别使用不同组电池,所述发动机可采用三缸或四缸发动机,或其它功能相似的发动机。
所述输入轴、中间轴、第一传动轴、第二传动轴均通过轴承相互平行支承于驱动***箱体内。
附图说明
图1为本发明的结构示意图;
图2为本发明中实施例的结构示意图。
具体实施方式
如图1至图2所示,一种双电机混合动力驱动***,包括驱动***箱体、发动机1、第一电机3、差速器15,一输入轴5、中间轴7、第一传动轴6、第二传动轴8相互平行支承于驱动***箱体内,所述输入轴5的一端通过一离合器2连接发动机1的曲轴输出端,所述离合器2设置在第二电机4的转子内,离合器2的外毂与第二电机4的转子固定连接,所述发动机1的曲轴输出端与离合器2的外毂周向固定连接,所述离合器2的主动摩擦盘与外毂固定连接,从动摩擦盘与输入轴5固定连接;
实施例中,所述离合器2是普通的单离合器,主动摩擦盘、从动摩擦盘均设置在离合器2内部,离合器2与第二电机4集成于一体,位于输入轴5和发动机1的曲轴输出端之间,所述输入轴5和发动机1的曲轴位于同一轴心线上;
所述输入轴5与中间轴7之间分别通过发动机一挡齿轮副、发动机二挡齿轮副相连,所述发动机一挡齿轮副、发动机二挡齿轮副之间设置用于换挡的第一同步器13,所述中间轴7上周向固定第一传动齿轮17与差速器15的减速齿轮18啮合;
实施例中,所述发动机一挡齿轮副包括发动机一挡主动齿轮10、发动机一挡从动齿轮12,所述发动机二挡齿轮副包括发动机二挡主动齿轮9、发动机二挡从动齿轮11;所述发动机一挡主动齿轮10与发动机一挡从动齿轮12啮合,所述发动机二挡主动齿轮9与发动机二挡从动齿轮11啮合。
所述输入轴5分别空套设置发动机一挡齿轮副的发动机一挡主动齿轮10、发动机二挡齿轮副的发动机二挡主动齿轮9,所述发动机一挡主动齿轮10和发动机二挡主动齿轮9之间设置第一同步器13,所述发动机一挡从动齿轮12、发动机二挡从动齿轮11均周向固定在中间轴7上;
或者,所述中间轴7上分别空套设置发动机一挡齿轮副的发动机一挡从动齿轮12、发动机二挡齿轮副的发动机二挡从动齿轮11,所述发动机一挡从动齿轮12和发动机二挡从动齿轮11之间设置第一同步器13,所述发动机一挡主动齿轮10、发动机二挡主动齿轮9均周向固定在输入轴5上;
所述第一传动轴6上固定设置电动机一挡主动齿轮16、电动机二挡主动齿轮14,所述第二传动轴8上分别空套设置电动机一挡从动齿轮23、电动机二挡从动齿轮24,所述电动机一挡从动齿轮23、电动机二挡从动齿轮24之间设置用于换挡的第二同步器22,所述电动机一挡从动齿轮23与电动机一挡主动齿轮16啮合,电动机二挡从动齿轮24与电动机二挡主动齿轮14啮合,所述第二传动轴8上周向固定第二传动齿轮21与差速器15的减速齿轮18啮合;
所述第一电机3的电机轴上周向固定的电机传动齿轮19与电动机二挡主动齿轮14啮合。
本发明的运行模式如下所示:
纯发动机模式:
所述离合器2接合,发动机1向输入轴5传递扭矩,第一同步器13与发动机一挡主动齿轮10/发动机二挡主动齿轮9结合,动力通过发动机一挡从动齿轮12/发动机二挡从动齿轮11,依次传递给中间轴7、第一传动齿轮17,最后传递到差速器15的减速齿轮18上,由差速器15输出动力到半轴上。所述发动机1通过离合器2将动力传递到第二电机4上,驱动第二电机4对电池进行充电。
纯电模式:
发动机1和第二电机4停止运转,所述第一电机3通过电机传动齿轮19向第一传动轴6传递扭矩,第二同步器22与电动机一挡从动齿轮23/电动机二挡从动齿轮24结合,动力通过第一传动轴6上的电动机一挡主动齿轮16/电动机二挡主动齿轮14传递给第二传动轴8,由周向固定在第二传动轴8上的第二传动齿轮21将扭矩传递到差速器15的减速齿轮18上,差速器15输出动力。
混合驱动模式:
当离合器2的主动摩擦盘与从动摩擦盘接合时,所述发动机1通过离合器2向输入轴5传递扭矩,第一同步器13与发动机一挡主动齿轮10/发动机二挡主动齿轮9结合,动力通过发动机一挡从动齿轮12/发动机二挡从动齿轮11,依次传递给中间轴7、第一传动齿轮17,最后传递到差速器15的减速齿轮18上,由差速器15输出动力到半轴上;所述第一电机3通过电机传动齿轮19向第一传动轴6传递扭矩,第二同步器22与电动机一挡从动齿轮23/电动机二挡从动齿轮24结合,动力通过第一传动轴6上的电动机一挡主动齿轮16/电动机二挡主动齿轮14传递给第二传动轴8,由周向固定在第二传动轴8上的第二传动齿轮21将扭矩传递到差速器15的减速齿轮18上,差速器15输出动力。所述发动机1通过离合器2将动力传递到第二电机4上,驱动第二电机4对电池进行充电。
当离合器2的主动摩擦盘与从动摩擦盘没有接合时,所述的第一电机3通过电机传动齿轮19向第一传动轴6传递扭矩,第二同步器22与电动机一挡从动齿轮23/电动机二挡从动齿轮24结合,动力通过第一传动轴6上的电动机一挡主动齿轮16/电动机二挡主动齿轮14传递给第二传动轴8,由周向固定在第二传动轴8上的第二传动齿轮21将扭矩传递到差速器15的减速齿轮18上,差速器15输出动力。所述发动机1通过离合器2将动力传递到第二电机4上,驱动第二电机4对电池进行充电。
能量回收模式:
整车制动,离合器2的主动摩擦盘与从动摩擦盘没有接合,在发动机1处于运行状态,第一电机3运行,第二电机4处于运行状态时,所述发动机1通过离合器2将动力传递给第二电机4的电机轴,驱动第二电机4对电池进行充电。
由于惯性,汽车继续行驶使车轮产生的动力通过半轴传递给差速器15,差速器15的减速齿轮18将动力传递给第二传动齿轮21,所述第二传动齿轮21将动力传递给第二传动轴8,第二同步器22与电动机一挡从动齿轮23/电动机二挡从动齿轮24结合时,动力通过第二传动轴8上的电动机一挡从动齿轮23/电动机二挡从动齿轮24传递给第一传动轴6上的电动机一挡主动齿轮16/电动机二挡主动齿轮14,再由电动机一挡主动齿轮16/电动机二挡主动齿轮14将动力传递给第一传动轴6,第一传动轴6上周向固定的电动机二挡主动齿轮14将动力依次传递给电机传动齿轮19,通过第一电机3的电机轴驱动第一电机3对电池进行充电。
若发动机1与第二电机4均处于停止状态,第一电机3处于运行状态,由于惯性,汽车继续行驶使车轮产生的动力通过半轴传递给差速器15,差速器15的减速齿轮18将动力传递给第二传动齿轮21,所述第二传动齿轮21将动力传递给第二传动轴8,第二同步器22与电动机一挡从动齿轮23/电动机二挡从动齿轮24结合时,动力通过第二传动轴8上的电动机一挡从动齿轮23/电动机二挡从动齿轮24传递给第一传动轴6上的电动机一挡主动齿轮16/电动机二挡主动齿轮14,再由电动机一挡主动齿轮16/电动机二挡主动齿轮14将动力传递给第一传动轴6,第一传动轴6上周向固定的电动机二挡主动齿轮14将动力传递给电机传动齿轮19,通过第一电机3的电机轴驱动第一电机3对电池进行充电。
整车怠速时,发动机1处于怠速状态,第一电机3停止运行,第二电机4处于运行状态,当离合器2的主动摩擦盘与从动摩擦盘没有接合时,发动机1通过离合器2将动力传递到第二电机4的电机轴,驱动第二电机4对电池进行充电。
启动发动机:
当发动机1处于停止运行状态时,使离合器2的主动摩擦盘与从动摩擦盘不接合,第一电机3停止运行,第二电机4处于运行状态,第二电机4的电机轴输出的动力通过离合器2传递到发动机1的曲轴上,用于启动发动机1。
换挡过程的动力补偿模式:
在发动机挡位的换挡过程中,所述第一电机3通过电机传动齿轮19向第一传动轴6传递扭矩,第二同步器22与电动机一挡从动齿轮23/电动机二挡从动齿轮24结合,动力通过第一传动轴6上的电动机一挡主动齿轮16/电动机二挡主动齿轮14传递给第二传动轴8,由周向固定在第二传动轴8上的第二传动齿轮21将扭矩传递到差速器15的减速齿轮18上,差速器15输出动力用于驱动车轮从而实现动力补偿。
在纯电动挡位的换挡过程中,使离合器2的主动摩擦盘与从动摩擦盘接合,所述发动机1通过离合器2向输入轴5传递扭矩,第一同步器13与发动机一挡主动齿轮10/发动机二挡主动齿轮9结合,动力通过发动机一挡从动齿轮12/发动机二挡从动齿轮11,依次传递给中间轴7、第一传动齿轮17,最后传递到差速器15的减速齿轮18上,由差速器15输出动力到半轴上,用于驱动车轮从而实现动力补偿。
以上所述仅为本发明的优选实施例,并不用于限制本发明,本领域的技术人员在不脱离本发明的精神的前提下,对本发明进行的改动均落入本发明的保护范围。
Claims (4)
1.一种双电机混合动力驱动***,包括驱动***箱体、发动机(1)、第一电机(3)、差速器(15),其特征在于:一输入轴(5)、中间轴(7)、第一传动轴(6)、第二传动轴(8)相互平行支承于驱动***箱体内,所述输入轴(5)的一端通过一离合器(2)连接发动机(1)的曲轴输出端,所述离合器(2)设置在第二电机(4)的转子内,离合器(2)的外毂与第二电机(4)的转子固定连接,所述发动机(1)的曲轴输出端与离合器(2)的外毂周向固定连接,所述离合器(2)的主动摩擦盘与外毂固定连接,从动摩擦盘与输入轴(5)固定连接;
所述输入轴(5)与中间轴(7)之间分别通过发动机一挡齿轮副、发动机二挡齿轮副相连,所述发动机一挡齿轮副、发动机二挡齿轮副之间设置用于换挡的第一同步器(13),所述中间轴(7)上周向固定第一传动齿轮(17)与差速器(15)的减速齿轮(18)啮合;
所述第一传动轴(6)上固定设置电动机一挡主动齿轮(16)、电动机二挡主动齿轮(14),所述第二传动轴(8)上分别空套设置电动机一挡从动齿轮(23)、电动机二挡从动齿轮(24),所述电动机一挡从动齿轮(23)、电动机二挡从动齿轮(24)之间设置用于换挡的第二同步器(22),所述电动机一挡从动齿轮(23)与电动机一挡主动齿轮(16)啮合,电动机二挡从动齿轮(24)与电动机二挡主动齿轮(14)啮合,所述第二传动轴(8)上周向固定第二传动齿轮(21)与差速器(15)的减速齿轮(18)啮合;
所述第一电机(3)的电机轴上周向固定的电机传动齿轮(19)与电动机二挡主动齿轮(14)啮合。
2.根据权利要求1所述的双电机混合动力驱动***,其特征在于:所述输入轴(5)分别空套设置发动机一挡齿轮副的发动机一挡主动齿轮(10)、发动机二挡齿轮副的发动机二挡主动齿轮(9),所述发动机一挡主动齿轮(10)和发动机二挡主动齿轮(9)之间设置第一同步器(13)。
3.根据权利要求1所述的双电机混合动力驱动***,其特征在于:所述中间轴(7)上分别空套设置发动机一挡齿轮副的发动机一挡从动齿轮(12)、发动机二挡齿轮副的发动机二挡从动齿轮(11),所述发动机一挡从动齿轮(12)和发动机二挡从动齿轮(11)之间设置第一同步器(13)。
4.采用权利要求1所述双电机混合动力驱动***的汽车。
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