CN101868390B - 用于运行混合动力车辆的方法和装置 - Google Patents

用于运行混合动力车辆的方法和装置 Download PDF

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CN101868390B
CN101868390B CN200880117888XA CN200880117888A CN101868390B CN 101868390 B CN101868390 B CN 101868390B CN 200880117888X A CN200880117888X A CN 200880117888XA CN 200880117888 A CN200880117888 A CN 200880117888A CN 101868390 B CN101868390 B CN 101868390B
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CN101868390A (zh
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K·菲利普
J·里林
M·沃伦伯格
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Abstract

用于运行混合动力车辆(1)的方法和装置(8),其中,假如混合动力车辆(1)处于准备行驶模式中并且混合动力车辆的发动机安装室上盖(4)的打开被检测到,则自动地启动混合动力车辆的内燃机(2)。

Description

用于运行混合动力车辆的方法和装置
技术领域
本发明涉及用于运行混合动力车辆(Hybridfahrzeug)的方法和装置,以用于提醒潜在的危险(potentiellen 
Figure GSB00000948080300011
)、尤其是由混合动力车辆的未被使用者所识别的运行预备或行驶预备(Fahrbereitschaft)造成的危险。
背景技术
现代的混合动力车辆通常具有启动/停止设备(Start/Stopp-Einrichtung),一旦混合动力车辆停下长于预定的时间间隔(例如1秒),则混合动力车辆的发动机通过该启动/停止设备而被停止,以便由此节约燃料。一旦随后驾驶员操纵混合动力车辆的加速踏板、操纵离合器或挂入档位,发动机又自动地起动,以便继续驱动混合动力车辆。此外,在现代的带有内燃机(Verbrennungsmotor)和电机(Elektromotor)的混合动力车辆上,通常地,在一定的前提条件下,尤其当混合动力车辆检测到其电池的充电状态低于预定的阈值时,自动地启动混合动力车辆的内燃机。
然而,除先前已经提及的节约燃料的优点外,这种发动机的自动的启动同样具有不可忽略的潜在危险,因为在一定的情形中,例如当小孩(该小孩在该混合动力车辆中玩耍)在玩耍时操纵加速踏板或例如当在发动机舱(Motorraum)中进行一定的维修工作时,并不希望发动机被启动。
从文件DE10211463A1中已知,在混合动力车辆中监视车辆的发动机罩(Motorhaube)的状态,并且,针对已识别到发动机罩的打开的情况而禁止内燃机的启动。
然而,这种方式带有如下问题,即,在损坏的发动机罩传感器的情形下,车辆可能停滞在所谓的准备行驶模式(Fahrbereitschaftsmodus)或电动模式(在该准备行驶模式或电动模式中内燃机尚未被启动)中,因为,在这种情况中内燃机的启动是不可能的。
发明内容
因此,本发明的目的在于,提供用于运行混合动力车辆的改进的方法和改进的装置,以此降低对用户而言的潜在危险。
根据本发明,该目的通过根据本发明的方法和根据本发明的装置而实现。在本发明的范围中,提供了一种用于运行混合动力车辆的方法。在此,如果潜在的危险情况(该危险情况与内燃机的自动的启动有关或可能由自动地启动的内燃机所引起)被检测到,则自动地启动混合动力车辆的内燃机。
通过自动地启动发动机的方式,举例而言,借助于已启动的发动机的噪音生成或借助于由已启动的发动机产生的振动而使混合动力车辆的驾驶员注意到潜在的危险。在这种情况中,驾驶员通常会通过如下方式来停止发动机,即,其使混合动力车辆的行驶预备失效(例如通过操纵混合动力车辆的启动/停止-按钮),由此,发动机被停止并且发动机的再次的自动启动被防止。
在此,混合动力车辆的行驶预备理解为混合动力车辆的这样的状态(该状态同样称作电动模式),即,在该状态中,内燃机不运转,然而,电机处于与传统的车辆中的接通点火相对应的状态中,从而使得,通过操纵混合动力车辆的加速踏板,可由电机施加驱动力矩到混合动力车辆上。
那么,在根据本发明的一种优选的实施形式中,当混合动力车辆的发动机安装室上盖(Motorabdeckung)被打开时,存在该潜在的危险,从而,在这种情况中为进行提醒而启动内燃机。优选地,在此,相应的发动机罩传感器的输出信号如此地被使用,即,使得,倘若该输出信号没有显示出发动机安装室上盖或发动机罩的关闭状态,则内燃机自动地启动。由此,在这种情况中,在上文所提及的条件下,当发动机罩传感器失效时,同样实现内燃机的自动的启动,从而使得,混合动力车辆的在准备行驶模式中的非所期望的停滞被防止。
突然起动的发动机可能导致严重的伤害——如果在该时刻正好在执行在混合动力车辆的发动机舱中的工作的话。发动机安装室上盖不仅具有覆盖发动机的目的,而且还由此提供保护(以防发动机舱中的旋转部件)。因此,在良好的发动机安装室上盖的情形下,不打开发动机安装室上盖就到达发动机舱中的旋转部件是不可能的。那么,在这种实施方式中,通过如下做法,即,当发动机安装室上盖(假定混合动力车辆的行驶预备是激活的)被打开时,启动发动机,则,有利地通过发动机的起动而提醒了使用者。通过使发动机在发动机罩被打开时立即起动,则使用者不会对内燃机的突然的启动感到吃惊。有利的是,这不依赖于驾驶员是否确定无疑地落坐在驾驶员座位上或不落坐在驾驶员座位上。通过直接在打开发动机安装室上盖时的发动机的起动,维修工作的执行人获得了如下提醒指示,即,为了执行维修工作,值得推荐的是,将发动机停止(例如,通过使混合动力车辆的行驶预备失效)。由此,有利地提高了防止受伤害(该伤害可能由自动地起动的发动机所引起)的保护。
在根据本发明的另一实施形式中,当检测到混合动力车辆的驾驶员离开混合动力车辆或驾驶员并不确定无疑地在场时,潜在危险被识别出。在此,可通过如下方式识别出驾驶员离开车辆,即,检测到在驾驶员座位处混合动力车辆的安全带的扣舌(Schnallenzunge)被与混合动力车辆的安全带锁分离。举例而言,当驾驶员解扣(通常在离开混合动力车辆前不久被实施的一种操作(Handgriff))时,安全带的带扣被混合动力车辆的驾驶员与安全带锁分离或从安全带锁中拉出。同样可通过如下方式检测驾驶员离开车辆的过程,即,检测混合动力车辆的驾驶员车门的打开。在运行准备就绪(betriebsbereit)的混合动力车辆上,驾驶员车门的打开是指示出驾驶员想要离开混合动力车辆的一种良好的指示。
在本发明的范围中,还提供了一种用于运行混合动力车辆的装置。在此,该装置包括启动器件(Startmittel),以用于在混合动力车辆的准备行驶模式中在识别出上文所述的危险情况时自动地启动混合动力车辆的内燃机。存在有评价器件(Auswertungsmittel),以用于识别这种由于混合动力车辆的行驶预备(该行驶预备也许未被用户所识别)而引起的危险。在此,如此设计该装置,即,使得,一旦评价器件在混合动力车辆的准备行驶模式中识别出了该危险,则借助于启动器件自动地启动混合动力车辆的内燃机。
发动机罩传感器检测混合动力车辆的发动机罩或发动机安装室上盖的状态。如此地设计该评价器件,即,使得,一旦发动机罩传感器没有显示出接触,也就是说,没有显示出发动机罩的关闭状态,则该评价器件检测到该危险。
在根据本发明的另一实施形式中,如此地设计该评价器件,即,使得,一旦混合动力车辆的驾驶员安全带的扣舌被从安全带锁松开(例如,当混合动力车辆的驾驶员进行解扣时,就是这种情况),则该评价器件检测到危险。不过,评价器件同样可在驾驶员车门打开时识别出危险。
根据本发明的装置的优点基本上与根据本发明的方法的优点相符,这些优点在之前已详细地被讨论,因此,在此将重述省去。
附图说明
在下文中借助于附图阐述一种优选的根据本发明的实施形式。
该唯一的附图示意性地示出了带有根据本发明的装置的根据本发明的混合动力车辆。
具体实施方式
在该唯一的附图中,示出了根据本发明的混合动力车辆1,该混合动力车辆1包括用于自动地启动混合动力车辆1的内燃机2的、根据本发明的装置8。除内燃机2外,混合动力车辆1还包括电机3以用于驱动混合动力车辆,其中,借助于发动机安装室上盖或发动机罩4,内燃机2和电机3都被覆盖。该装置8一方面包括启动器件10,以用于启动内燃机2,且另一方面包括评价器件9,以用于检测起因于内燃机2的危险情况和/或这样的危险情况——该危险情况起因于混合动力车辆1的、未被识别出的行驶预备。此外,示意性地示出了用于混合动力车辆1的(未被显示的)驾驶员座位的安全带锁6、驾驶员车门7和发动机罩传感器5。
在下文中阐述根据本发明的混合动力车辆1的运行。
为了利用混合动力车辆1来行驶,混合动力车辆1的驾驶员激活混合动力车辆1的行驶预备(例如通过如下方式,即,该驾驶员按压混合动力车辆1的启动/停止按钮(未示出))。如果混合动力车辆1运行准备就绪,即,当存在混合动力车辆1的行驶预备时,操纵混合动力车辆1的加速踏板(未示出)足够用于产生涉及混合动力车辆1的驱动力矩。如果在混合动力车辆1的静止状态中操纵加速踏板,则驱动力矩一般由电机3产生。通常,当由驾驶员所要求的理论力矩高于由电机3所提供的最大转矩时或当混合动力车辆1的未示出的电池(通过该电池,电机3被供以能量)的充电状态低于预定的阈值时,内燃机2被启动。那么,在后一种情况中,借助于内燃机2对电池充电。
混合动力车辆1具有自动设备(Automatik),通常,一旦混合动力车辆1进入静止状态中,该自动装置停止内燃机2。此后,通过操纵加速踏板,可再次自动地启动内燃机2而无需其它的操作(例如按压任何按钮)——只要混合动力车辆1的该行驶预备还存在。此外,在所存在的行驶预备的情形下,在混合动力车辆1的静止状态中同样可能的是,自动地启动内燃机2,以用于给电池充电,以避免电池低于其充电状态的预给定的阈值。
由此,恰恰是在运行准备就绪的混合动力车辆1的静止状态中在其内燃机2方面出现了与传统的混合动力车辆(在传统的混合动力车辆上,发动机仅通过专门地以其为目的的手动过程、例如通过点火钥匙或启动/停止-按钮的操纵而被启动)中的情况相比更大的潜在危险。这同样还基于以下原因,即,在传统的混合动力车辆上,相应的混合动力车辆的行驶预备在任何情况中都通过运转的内燃机而干脆明确地被向混合动力车辆的驾驶员示出,而在根据本发明的混合动力车辆1中,在静止状态中,出于经济原因(为节约燃料),这种标志(内燃机2运转)被取消。出于这种原因,根据本发明的混合动力车辆1会对确定的、在其中潜在危险(该潜在危险起因于自动地启动的内燃机2)特别地大的情况进行提醒。混合动力车辆1通过如下方式产生这种提醒,即,在这种确定的情况中混合动力车辆1自己将内燃机2启动,以用于通过内燃机2的振动和噪音生成来提醒注意运转的内燃机2本身或显示混合动力车辆1的该行驶预备。基于用于保护以防中毒(该中毒在停放的混合动力车辆的情形下由于废气而引起,因为,如之前已叙述的那样,在运行准备就绪的混合动力车辆中,内燃机经常在电池的充电状态低于预定的阈值时起动并因此放出有毒的废气)的要求,同样进行这种对混合动力车辆1的行驶预备(该行驶预备或许未被混合动力车辆1的驾驶员所识别到)的提醒。
当在混合动力车辆1中没有驾驶员或当内燃机2的发动机罩4敞开时,存在这种确定的情况。出于这种原因,当该混合动力车辆1或者通过发动机罩传感器5而检测到发动机罩4被打开时,并且/或者当混合动力车辆1通过安全带锁6或驾驶员车门7而检测到混合动力车辆1的驾驶员即将离开混合动力车辆1时,该混合动力车辆1(如果该混合动力车辆1是运行准备就绪的)自动地启动其内燃机2。由此,当驾驶员坐在混合动力车辆1中(也就是说,通过安全带锁6和驾驶员车门7检测到了驾驶员的确定无疑的存在)而另一人打开发动机罩4时,同样自动地启动内燃机2,以便由此保护该另一人以防止由于内燃机2的突然的起动而受到伤害。换而言之,运转的内燃机2告知了混合动力车辆1的该行驶预备,并且尤其在打开的发动机罩4的情况下人们不会由于内燃机2的突然的起动而感到吃惊或有危险。
如果使用者结束该准备行驶模式(例如通过操纵启动/停止-按钮或其它的操纵元件),则内燃机2再次自动地由上文所阐述的装置8来停止。
参考标号列表
1混合动力车辆
2内燃机
3电机
4发动机罩
5发动机罩传感器
6安全带锁
7驾驶员车门
8装置
9评价器件
10启动器件

Claims (8)

1.一种用于运行混合动力车辆的方法,
其中,所述混合动力车辆(1)包括用于驱动所述混合动力车辆(1)的电机(3)和内燃机(2),
其特征在于,
在所述混合动力车辆(1)的准备行驶模式中,借助于传感器(5)监视所述混合动力车辆(1)的发动机安装室上盖(4),并且,假如所述传感器(5)没有显示出所述发动机安装室上盖(4)的关闭状态,则自动地启动所述内燃机(2);
或者,
在所述混合动力车辆(1)的准备行驶模式中,假如检测到所述混合动力车辆(1)的驾驶员即将离开所述混合动力车辆(1),则自动地启动所述内燃机(2)。
2.根据权利要求1所述的方法,其特征在于,在存在下列条件中的至少一个时,检测到所述混合动力车辆(1)的驾驶员即将离开所述混合动力车辆(1):
·在所述混合动力车辆(1)的驾驶员座位中,所述混合动力车辆(1)的安全带的扣舌被从与安全带锁(6)的接合中松开,或
·所述混合动力车辆(1)的驾驶员车门(7)被打开。
3.根据前述权利要求中任一项所述的方法,其特征在于,假如离开了所述混合动力车辆(1)的准备行驶模式,则,自动地停止所述内燃机(2)。
4.一种用于运行混合动力车辆的装置,
其中,所述混合动力车辆(1)包括用于驱动所述混合动力车辆(1)的电机(3)和内燃机(2),
其特征在于,
所述装置(8)包括用于自动地启动内燃机(2)的启动器件(10)并包括评价器件(9),
其中,所述装置(8)还包括用于监视所述混合动力车辆(1)的发动机安装室上盖(4)的传感器(5)且所述评价器件(9)用于评价所述传感器(5)的输出信号,其中,如此地设计所述评价器件(9),即,使得,假如所述混合动力车辆处于准备行驶模式中且所述传感器(5)的输出信号没有显示出所述发动机安装室上盖(4)的关闭状态,则,所述评价器件(9)触发所述用于自动地启动内燃机(2)的启动器件(10);
或者,
如此地设计所述评价器件(9),即,使得,假如所述混合动力车辆处于准备行驶模式中并且所述评价器件(9)识别出所述混合动力车辆(1)的驾驶员离开所述混合动力车辆(1),则,所述评价器件(9)触发所述用于自动地启动内燃机(2)的启动器件(10)。
5.根据权利要求4所述的装置,其特征在于,如此地设计所述评价器件(9),即,使得,假如与所述驾驶员相关联的安全带的扣舌被从与安全带锁(6)的接合中松开或如果所述混合动力车辆(1)的驾驶员车门(7)被打开,则,所述评价器件(9)识别到所述驾驶员离开所述混合动力车辆(1)。
6.根据权利要求4至5中任一项所述的装置,其特征在于,如此地设计所述评价器件(9),即,使得,在所述混合动力车辆(1)的准备行驶模式中在所述内燃机(2)的自动的启动之后,假如所述混合动力车辆(1)的准备行驶模式被使用者结束,则,所述评价器件(9)引起所述内燃机(2)的自动的停止。
7.根据权利要求4至5中任一项所述的装置,其特征在于,所述装置(8)设计用于执行根据权利要求1至3中任一项所述的方法。
8.一种混合动力车辆,所述混合动力车辆带有用于驱动所述混合动力车辆的电机(3)和内燃机(2)并带有根据权利要求4至7中任一项所述的装置。
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