CN101037086A - 用于带-交流发电机-起动机混合电动车辆的附件驱动系统及方法 - Google Patents
用于带-交流发电机-起动机混合电动车辆的附件驱动系统及方法 Download PDFInfo
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- 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
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- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
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- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
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- B60W20/00—Control systems specially adapted for hybrid vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
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Abstract
本发明的方法和设备提供了用于带-交流发电机-起动机混合电动车辆的附件驱动系统。该设备包括一连接到发动机输出轴上的驱动轮;分别可操作地被连接到多个被驱动轮中的一个上的多个附件;位于发动机曲轴及变速器之间的可选择性接合的力矩传递装置;可操作地被连接到另一被驱动轮上的带-交流发电机-起动机系统;传动带,可操作性地连接驱动轮和从动轮,并可操作地在驱动轮和多个从动轮之间传递力矩;可操作地连接到力矩传递装置上、发动机和带-交流发电机-起动机系统上的控制器,该控制器用来控制力矩传递装置、发动机和带-交流发电机-起动机系统以确保附件足以被驱动。
Description
技术领域
本发明总的涉及到一种用于驱动混合电动车辆上具有带-交流发电机-起动机(belt-alternator-starter,BAS)系统的混合动力车辆附件的方法和设备。
背景技术
传统的机动车辆上的附件由发动机输出的动力所驱动。混合电动车辆通常包括一内燃机发动机和一个或多个电动马达/发电机。混合动力车辆中的某些附件可能在发动机关闭且车辆由电动马达/发电机驱动时需要动力供给。通常,为了在发动机关闭时驱动混合动力车辆附件,就需要给各个此类附件提供一电动机。
典型的汽车附件驱动系统包括一连接到发动机输出轴-通常为曲轴-上的驱动轮。围绕该驱动轮的是一柔性驱动带,该驱动带依次围绕多个从动轮。该柔性驱动带在驱动轮和从动轮之间传递力。这些从动轮可被固定附着在本领域公知的附件上,例如动力转向泵、空调压缩机、发电机和水泵。
一种带-交流发电机-起动机(BAS)系统使用一相对于附件驱动系统的其它组件安装的组合式起动机和交流发电机马达/发电机。该系统将起动机和电动机马达/发电机组合成一个装置,从而可如同传统的起动机一样以有效的方式安装到一同样有效的空间内。
发明内容
本发明的方法和设备提供了用于带-交流发电机-起动机混合电动车辆的附件驱动系统。该设备包括可选择地将发动机连接于变速器的力矩传递装置。驱动轮连接到发动机曲轴上。多个从动轮分别被连接到多个附件中的一个上。带-交流发电机-起动机系统被连接到另一从动轮上。传动带与驱动轮和从动轮可连接结合并可操作地在驱动轮和从动轮之间传递力矩。控制器可操作地连接到力矩传递装置、发动机和带-交流发电机-起动机系统上。该控制器可用于控制力矩传递装置、发动机和带-发电机-起动机系统以确保附件足以被驱动。
通过要求混合动力链即使在输送给发动机的燃油被切断和/或车辆停止的情况下也能够保持最小的输入(发动机)速度,本发明的方法使得附件能够在所有运行条件下被发动机或带-交流发电机-起动机系统的动力驱动,而无需通常所需的各个附件的驱动电机。动力或是从发动机或是从带-交流发电机-起动机系统传递给多个附件。发动机、带-交流发电机-起动机系统、和力矩传递装置例如用电子控制器进行控制,以保证每个附件都能够吸收到足够的动力以维持全速运转。
根据本发明的一个方面,该设备包括可操作地连接于带-交流发电机-起动机系统的储能装置,例如电池,该储能装置用于在发动机产生的动力过多或动力通过制动恢复时存储来自带-交流发电机-起动机系统的动力。
根据本发明的另一方面,混合动力链被控制以确保车辆运行中输入速度(也即发动机曲轴转速和附件驱动轮转速)不在预定最小发动机转速之下运行,包括输送给发动机的燃油被切断以减小油料消耗的情况下。
根据本发明的另一方面,对于配备了可变阀致动的发动机,该方法包括当输送给发动机的燃油被切断且附件被带-交流发电机-起动机系统的动力所驱动时正确地操控吸入、排出阀(例如,保持吸入、排出阀的关闭),从而减小转动阻抗和泵送损失、提高附件驱动系统的效率。
上面的特征及优点以及本发明的其它特征和优点根据下面对实现本发明的最佳方式的详细描述及附图而显而易见。
附图说明
图1是根据本发明的具有一附件驱动系统的混合电动车辆的简图。
具体实施方式
参考附图,同样的组件用同样的数字表示。图1所示为具有一附件驱动系统11的电力混合动力链10的示意简图。附件驱动系统11包括一发动机12,用于传递输出动力给驱动轮16和/或变速器18。驱动轮16可操作地通过一曲柄或输出轴14连接到发动机12上。发动机12连接到控制器,例如控制器14上并由其控制。控制器34可包括一复合控制模块、发动机控制模块、变速器控制模块、电动机/发电机控制模块和必要的电力驱动或动力电子电路。
例如离合器20的可选择性接合的力矩传递装置安置在发动机12和变速器18之间。离合器20有效地与控制器24连接并被其控制。离合器20配置成可操作地将发动机曲轴14与变速器18接合或脱离接合,使得动力可在其中选择性地传递。更精确的是,当离合器20处于接合状态时,发动机曲轴14传出的力矩或动力就可以通过变速器18通过一末级传动21来驱动混合动力车辆。相反地,当离合器20处于脱离状态时,发动机曲轴14传出的力矩或动力就不能传递给变速器18。
驱动轮16可操作性地通过一驱动带24连接到多个驱动轮26、26’及一从动轮28上。各个从动轮26、26’可操作性地分别连接到多个附件30、30’中的一个上。从动轮28可操作性地连接到一带-交流发电机-起动机(BAS)系统32上。附件30,30’例如可包括动力转向泵、水泵、或空调压缩机。BAS系统32优选地包括一组合的交流发电机和起动机/发电机(未示出),并可操作性地连接到控制器34和储能装置36上。储能装置36适于当发动机12产生多余的动力或当车辆制动而恢复动力时储存来自BAS系统32的动力。根据此优选实施例,储能装置36是一电池,然而,也可预想使用一备用的储能装置。
来自发动机12的动力可通过曲轴14、驱动轮16和驱动带24传递给附件30、30’和BAS系统32。传递给BAS系统32的动力可通过BAS系统32的发电机部分从驱动带24的旋转运动转变成电能,并且该电能可存储于存储装置36内。另外,BAS系统32可操作地通过从动轮28、驱动带24及从动轮26、26’传递给附件30,30’。为了在发动机12关闭时驱动混合动力车辆的附件,通常需要为各个此类附件提供一单独的电机。因此,通过控制BAS系统32在发动机12关闭时驱动所有的附件30、30’,本发明省去了需要用来驱动附件30、30’的多个电机相关制造及安装的费用。
附件30、30’必须以高于预定的最小速度分别被驱动以保持完全运转。因此,根据一优选实施例,本发明设立了一预设算出的最小发动机速度Vm以保证附件30、30’被完全驱动。为实现本发明的目的,附件30、30’当接收到足够动力保持完全运转时被“完全驱动”,并且“发动机速度”定义为使用附着在曲轴14上的常规速度传感器(未示出)测出的曲轴14的转速。应推荐的是当发动机速度被监测及控制以保证附件30、30’被完全驱动,可选实施例可监测及控制附件驱动系统11的其它特性,例如一个或多个轮16、26、26’、28和/或驱动带24的转动速度。
在发动机12加油后正常运转的情况下,如同常规的车辆,附件30,30’被发动机12所驱动。
在车辆的发动机12将要被关闭的情况下,控制器34关闭输送给发动机12的燃油,这时BAS系统32运转以驱动附件30、30’。更精确地,在燃油的输送关闭后,控制器34控制BAS系统32的从动轮28、驱动带24及从动轮26、26’传递给附件30、30’。由于BAS系统32通过驱动带24传递动力给附件30、30’,固定于其上的驱动轮16和曲轴14同样需要被驱动。对于配置了可变阀致动的发动机,为了减少曲轴转速阻抗及发动机泵送损失,以及因此提高附件驱动系统11的效率,当输送给发动机12的燃油被切断后,控制器34可正确地操纵吸气阀13a和排气阀13b(例如,但不限于,同时保持吸气阀13a和排气阀13b关闭),并且驱动附件30,30’被BAS系统32驱动。
如果发动机12被关闭,车辆减速至停止,离合器20脱离从而将发动机12与变速器18分离。因此,控制器34可控制BAS系统32以传递附加动力以保持发动机曲轴转速高于预定的最小转速值Vm,使得附件30,30’保持全速运行而不影响车辆性能。但如车辆由BAS系统32驱动,离合器20必须适于由控制器34控制以全部或部分接合,并且BAS系统32由控制器34控制以提供足够的动力来驱动附件30、30’同时满足驾驶员要求以保持车辆的输出。换句话说,附件30,30’被驱动以保持全速运转而不牺牲车辆的输出需求,例如,车速和加速需求。
一种用于驱动具有一带-交流发电机-起动机(BAS)系统上电动附件的方法,包括以下步骤。来自发动机12和/或BAS系统32的动力通过传动带24被传递给附件30、30’,由于动力被传送给附件30、30’,发动机12和/或BAS系统32由控制器34控制以保持发动机转速高于预定的最小转速值Vm,使得附件30、30’保持全速运行。这些通过增加发动机12和/或BAS系统32的输出以提供足够的动力给附件30、30’同时满足驾驶员需求。
虽然在上面详细地说明了实现本发明的最好方式,那些熟悉本发明所涉及领域的技术人员可以认识到,其它实现本发明的可选设计和实施例都落于所附权利要求的保护范围内。
Claims (17)
1、一种混合电动车辆的附件驱动系统,包括:
发动机,具有可操作地与变速器相连的发动机曲轴;
可选择性接合的力矩传递装置,位于发动机曲轴及变速器之间;
连接到发动机曲轴上的驱动轮;
可操作地连接于多个驱动轮之一上的附件;
可操作地连接于另一所述驱动轮上的带-交流发电机-起动机系统;
柔性传动带,可操作性地连接所述驱动轮和多个从动轮,并可操作地在驱动轮和多个从动轮之间传递力矩;
控制器,可操作地连接到力矩传递装置、发动机和带-发电机-起动机系统上,所述控制器用来控制力矩传递装置、发动机和带-发电机-起动机系统以确保发动机运转中附件足以被发动机驱动,或发动机关闭时足以能被带-交流发电机-起动机系统驱动。
2、根据权利要求1所述的附件驱动系统,其中发动机包括多个吸入阀和多个排出阀。
3、根据权利要求2所述的附件驱动系统,其中当附件被带-发电机-起动机系统的动力所驱动时控制器用来操控吸入阀和排出阀,从而减小转动阻抗和泵送损失,提高附件驱动系统的效率。
4、根据权利要求1所述的附件驱动系统,其中还包括一储能装置,可操作地被连接到带-交流发电机-起动机系统,所述储能装置用来在发动机产生的动力过多或是动力通过制动恢复时存储带-交流发电机-起动机系统的动力。
5、根据权利要求4所述的附件驱动系统,其中储能装置是电池。
6、根据权利要求5所述的附件驱动系统,其中选择性地结合力矩传递装置的是离合器。
7、根据权利要求6所述的附件驱动系统,其中该离合器可操作地传递足够的动力以确保附件足以被驱动而不牺牲驾驶员对于车辆输出的需求。
8、一种用于带-交流发电机-起动机混合电动车辆的附件驱动系统,包括:
发动机,具有可操作地与变速器相连的发动机曲轴;
可选择性接合的力矩传递装置,位于发动机曲轴及变速器之间;
连接到发动机曲轴上的驱动轮;
分别可操作地被连接到多个驱动轮中的一个上的多个附件;
可操作地被连接到另一所述多个从动轮上的带-交流发电机-起动机系统;
可操作地被连接到带-交流发电机-起动机系统的储能装置,所述储能装置用来在发动机产生的动力过多或是动力通过制动恢复时存储带-交流发电机-起动机系统的动力;
柔性传动带,可操作性地连接所述驱动轮和多个从动轮,并可操作地在驱动轮和多个从动轮之间传递力矩;
可操作地连接到力矩传递装置上、发动机和带-交流发电机-起动机系统上的控制器,所述控制器用来控制力矩传递装置、发动机和带-交流发电机-起动机系统以确保所述多个附件足以被发动机或被带-交流发电机-起动机系统中的一个驱动并确保附件被驱动的转速不低于预定的最小速度。
9、根据权利要求8所述的附件驱动系统,其中发动机包括多个吸入阀和多个排出阀。
10、根据权利要求9所述的附件驱动系统,其中当附件被带-交流发电机-起动机系统的动力所驱动时控制器用来操控吸入、排出阀,从而减小转动阻抗和泵送损失,提高附件驱动系统的效率。
11、根据权利要求10所述的附件驱动系统,其中储能装置是一电池。
12、根据权利要求11所述的附件驱动系统,其中选择性地接合力矩传递装置的是离合器。
13、根据权利要求12所述的附件驱动系统,其中该离合器可操作地传递足够的动力以确保附件足以被驱动而不牺牲驾驶员对于车辆输出的需求。
14、一种操作带-交流发电机-起动机混合电动车辆的方法,包括:
提供发动机,具有可操作地与变速器相连的发动机曲轴;
提供可操作地连接到发动机的带-交流发电机-起动机系统;
提供位于发动机曲轴及变速器之间的可选择性接合的力矩传递装置;
传递发动机和带-交流发电机-起动机系统中的一个的动力给多个附件;
建立预定的最小速度,其中多个附件必须被驱动以保持完全运转;以及
控制力矩传递装置和动力从发动机和带-交流发电机-起动机系统的传递以确保附件被驱动的转速不低于预定的最小速度。
15、根据权利要求14的方法,其中还包括当附件被带-交流发电机-起动机系统的动力所驱动时操控发动机的多个吸入、排出阀,从而减小曲轴转动阻抗和泵送损失,提高附件驱动系统的效率。
16、根据权利要求14的方法,其中还包括控制可选择性接合的力矩传递装置以传递足够的动力以确保附件足以被驱动而不牺牲驾驶员对于车辆输出的需求。
17、根据权利要求14的方法,其中还包括在发动机产生的动力过多或是动力通过制动恢复时将带-交流发电机-起动机系统的动力存入电池。
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US11/372,909 US7954580B2 (en) | 2006-03-10 | 2006-03-10 | Accessory drive system and method for a belt-alternator-starter electric hybrid vehicle |
US11/372909 | 2006-03-10 |
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CN104421016B (zh) * | 2013-09-05 | 2019-10-18 | 福特环球技术公司 | 用于运转车辆配件的方法和系统 |
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