CN110869257B - 用于运行拖挂车组的电动气动的驻车制动设备的方法 - Google Patents

用于运行拖挂车组的电动气动的驻车制动设备的方法 Download PDF

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CN110869257B
CN110869257B CN201880035798.XA CN201880035798A CN110869257B CN 110869257 B CN110869257 B CN 110869257B CN 201880035798 A CN201880035798 A CN 201880035798A CN 110869257 B CN110869257 B CN 110869257B
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parking brake
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乌韦·本施
阿克塞尔·高
亚历山大·文德兰特
托尔斯滕·弗兰克
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66Electrical control in fluid-pressure brake systems
    • B60T13/68Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/683Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66Electrical control in fluid-pressure brake systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66Electrical control in fluid-pressure brake systems
    • B60T13/68Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00Brake-action initiating means
    • B60T7/12Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00Brake-action initiating means
    • B60T7/12Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/20Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger specially for trailers, e.g. in case of uncoupling of or overrunning by trailer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66Electrical control in fluid-pressure brake systems
    • B60T13/662Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18Safety devices; Monitoring
    • B60T17/22Devices for monitoring or checking brake systems; Signal devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2201/00Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
    • B60T2201/06Hill holder; Start aid systems on inclined road
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2201/00Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
    • B60T2201/10Automatic or semi-automatic parking aid systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17Using electrical or electronic regulation means to control braking
    • B60T8/1701Braking or traction control means specially adapted for particular types of vehicles
    • B60T8/1708Braking or traction control means specially adapted for particular types of vehicles for lorries or tractor-trailer combinations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/321Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/323Systems specially adapted for tractor-trailer combinations

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

本发明涉及用于运行拖挂车组的电动气动的驻车制动设备的方法,该拖挂车组由牵引车和挂车构成,其中,在泊车过程并且确认该拖挂车组静止不动之后激活挂车监控功能,该挂车监控功能能够查验:在挂车的制动作用减弱时,拖挂车组是否能够仅通过牵引车的驻车制动器的制动作用来保持驻定。在此,根据本发明来设置的是,当已通过自动驻车功能自主地刹驻拖挂车组时,自动地执行该挂车监控功能。

Description

用于运行拖挂车组的电动气动的驻车制动设备的方法
技术领域
本发明涉及一种用于运行拖挂车组的电动气动的驻车制动设备的方法,该拖挂车组由牵引车和挂车构成,其中,在泊车过程并且确认拖挂车组静止不动之后激活挂车监控功能,该挂车监控功能能够查验:在挂车的制动作用减弱时拖挂车组是否能够仅通过牵引车的驻车制动器的制动作用来保持驻定。
背景技术
拖挂车组的常常也被称作泊车制动系统或者手刹制动系统的这种电动气动的驻车制动设备是众所周知的。例如在DE 10 2005 060 225 A1中描述了这种驻车制动设备的工作原理和控制。
在此,驻车制动设备的如下状态被视为挂车监控功能,其中,在驻车制动器本身起作用的情况下将与牵引车连接的挂车的制动器松开,以便给予牵引车的驾驶员查验:在车辆停放时是否仅牵引车的驻车制动器的制动作用就足以防止整个拖挂车组滚溜。这种查验尤其是在有挂车的情况下是必需的,其中,比如由于在车辆长时间停放时的缓慢发生的压力损失,使得挂车的制动器可能被松开。在这种情况下,也就必须保证:拖挂车组没有滚溜,这一结果因此必须由牵引车的驻车制动器来导致。挂车监控功能通常由驾驶员在将拖挂车组停放并且操纵驻车制动器之后紧接着手动地用手通过操纵像杆或开关那样的操作元件来触发并且由电子的控制部来执行。
由EP 2 379 386 B1公知有一种用于商用车辆的泊车制动系统的操纵装置,该操纵装置具有能手动操纵的用于操纵泊车制动器的操作元件。操纵装置能够由驾驶员在事先挂入泊车制动器的情况下手动地置于特定的切换状态下,在该切换状态下提供挂车监控功能。为此,驾驶员能够将开关翘板从弹簧加载的中立定位枢转出来。
由EP 1 997 700 B1公知一种用于商用车辆的泊车制动系统的具有操纵元件的操纵装置,其中,操纵装置具有挂车监控位置,其中,在操纵元件的多个可用的偏转定位中的一个偏转定位中能激活挂车监控功能。为此,驾驶员能够使弹簧加载的转动开关在其角度位置方面进行扭转。当操纵元件处在挂车监控位置中时,则泊车制动系统的电子的控制部在车辆停下或者泊车制动器已经被激活的情况下促使对挂车监控阀的操纵,由此给挂车控制阀的气动的控制接口加载以储备压力。基于挂车控制阀的反转的工作原理,使得由于压力加载而将挂车的制动器松开。只要操纵装置保持在挂车监控位置,该状态就一直持续。在此,被配属给挂车的牵引车的泊车制动器保持被挂入。一旦脱离挂车监控位置,控制部就将挂车监控阀又切换到其最初的切换位置中。经此,挂车控制阀的控制接口被放气,并且挂车的制动器被调回到在激活挂车监控位置之前的操纵状态。该控制部忽视了在车辆行驶时可能将操纵装置操纵到挂车监控位置中。
DE 103 36 611 A1描述了一种车辆的驻车制动设备,其中,能由驾驶员操作的操纵杆以能手动枢转的方式来布置。操纵杆具有锁止位置,在其中,驻车制动功能被激活。通过将操纵杆继续枢转得超过锁止位置,使得操纵杆能够被操纵到挂车监控位置中,并且由此使挂车监控功能能够被激活。将操纵杆从该挂车监控位置释放使得由于复位弹簧力而引起了操纵杆复位到锁止位置中。
此外,其控制部包含自动驻车功能的驻车制动设备也已经在研发中。当识别出泊车过程时并且当控制部接收到与此相关的信号时,该功能引起了对泊车制动器的自动应用。这种功能能够辅助商用车辆的驾驶员,并且使驾驶员的日常工作变得容易。在利用自动驻车功能来运行的拖挂车组中,不需要驾驶员主动地操纵手动制动器或者说泊车制动器。经此,可能发生,驾驶员忘记了操纵挂车监控功能而且使拖挂车组因此可能不足够安全。
发明内容
在该背景下,本发明所基于的任务是,提出一种用于运行拖挂车组的具有挂车监控功能的电动气动的驻车制动设备的方法,该方法提高了拖挂车组的操作舒适性而且同时确保了高的运行安全性。
该任务的解决方案从独立权利要求的特征中得到,而本发明的有利的设计方案和改进方案能从所配属的从属权利要求中得知。
本发明所基于的认识在于,在能用自动驻车功能来运行的拖挂车组中,强制性的挂车监控功能能像以前一样通过驾驶员的手动操作来激活。然而,这可能损害了这种自动驻车功能的高舒适性并且甚至可能诱发操作错误。这种操作错误能通过对驻车制动设备的现有的自动控制的扩展来可靠地避免。
因而,本发明的出发点是一种用于运行拖挂车组的电动气动的驻车制动设备的方法,该拖挂车组由牵引车和挂车构成,其中,在泊车过程并且确认该拖挂车组静止不动之后激活挂车监控功能,该挂车监控功能能够查验:在挂车的制动作用减弱时该拖挂车组是否能够仅通过牵引车的驻车制动器的制动作用来保持驻定。
为了解决所提出的任务,本发明设置的是,当已通过自动驻车功能自主地刹驻拖挂车组时,自动地执行挂车监控功能。
由于挂车监控功能自动地被激活,使得对车辆的操作简化。由于取消了接通和关断挂车监控功能的工作步骤,使得驾驶员在其工作方面减轻负担。拖挂车组本来就配备有将拖挂车组刹驻在制动定位中的自动驻车功能,这方面尤其是有利的。因此,驾驶员不会承受在将拖挂车组停下之后忘记所需的挂车制动监控的危险。
如果在对驻车制动器的自动操纵之后优选地立即自动执行挂车监控功能的情况下发现,拖挂车组在挂车制动器松开时发生运动或滚动,则驾驶员应当具有进行干预并且保护拖挂车组以防意外的滚溜的可能性。在进行制动检查之后,挂车监控功能被自动地停用,而且挂车制动器又起作用,从而使整个车辆组合都被制动。自动的挂车监控功能能够作为软件功能地实施到电动气动的驻车制动设备的现有的电子的控制部中。不需要额外的硬件花费。
根据本发明的实施方式,能够设置的是,当牵引车的驱动发动机的点火设备在车辆静止不动时被关断并且将之发信号告知给驻车制动设备的控制部时,则自动驻车功能识别出拖挂车组的泊车过程并且接着刹驻拖挂车组,并且紧接在这之后,挂车监控功能自动地被激活并且在监控过程之后自动地又被停用。由此保证了,挂车监控功能在拖挂车组的未针对此所设置的运行情况下没有意外地被执行。
还能够设置的是,只要拖挂车组具备带有用于手动操纵驻车制动设备以及用于手动操纵挂车监控功能的操作元件的操纵装置,那么当也能够阻止自动驻车功能并且能够手动地操纵驻车功能时,就能够阻止对挂车监控功能的自动的激活和停用以及能够手动地操纵挂车监控功能。
由此,当在当前不希望或无法实现对挂车监控功能的激活或停用时,驾驶员获得了在特别的运行情况下手动地操纵该挂车监控功能的可能性。例如,通过对操作元件的操纵能够关断自动的功能,而通过对操作元件的再次操纵又能够接通该自动功能。因此,例如能够值得期待的是,即使点火设备未关断或者不应该被关断,拖挂车组也仍被驻车并且执行挂车制动功能。如有疑虑,驾驶员也能够在时间上延长制动监控。另一方面,在特定的状况下,例如当原本只是设置短暂停留而且驾驶员在此时并未离开车辆时,也能够有意省去对挂车的制动监控。
还能够设置的是,对挂车监控功能的自动激活和停用被光学地、声音地和/或触觉地显示给驾驶员。为此,例如能够在驾驶室的仪表区的适当的位置上布置有灯光显示器。由此,驾驶员始终被告知挂车监控功能是否已由自动的控制部来执行,以及该驾驶员所负责的安全地停下的拖挂车组是否合乎规定地被保障安全。
最后,本发明还涉及一种拖挂车组的电动气动的驻车制动设备、诸如具有鞍式挂车的鞍式牵引车的或者具有载重挂车的载重车辆的电动气动的驻车制动设备,该电动气动的驻车制动设备构造为使得借助于该电动气动的驻车制动设备能运行所描述的方法。
附图说明
在下文,本发明依据在随附的附图中示出的实施例详细予以阐述。在附图中,唯一的附图示出了用于阐明根据本发明的对挂车监控功能的自动激活的流程图表。
具体实施方式
根据迄今的现有技术,驾驶员在挂入驻车制动器之后手动地激活具有电动气动的驻车制动设备的由牵引车和挂车构成的拖挂车组的挂车监控功能。这例如能够像在开头提及的EP 2 379 386 B1那样借助于开关翘板来实现,该开关翘板由驾驶员从弹簧加载的中立定位出发被侧翻到特定的切换位置中,或者这能够像在开头提及的EP 1 997 700 B1中那样通过驾驶员将弹簧加载的转动开关在其角度位置方面扭转到特定的切换位置中来实现,或者这能够像在开头提及的DE 103 36 611 A1中那样通过驾驶员将弹簧加载的操纵杆枢转到特定的切换位置中来实现。
在该切换状态下,在对操作元件进行操纵的时长内,只要驾驶员没有将操作元件再次释放并且没有使该操作元件再次返回到中立定位中,就一直将挂车的驻车制动器松开。因此能够确认,牵引车的驻车制动器是否能够使包括未经制动的挂车在内的整个拖挂车组驻车。尤其是当拖挂车组应该停得时间较长而且在挂车上的制动缸换气的情况下实现制动作用时,这是必需的。当在较长时间之后由于压力损失,使该制动缸被放气时,那么就因为挂车的制动作用消失,从而使拖挂车组必须仅仅借助于牵引车的驻车制动器的制动作用来停留。借助于电子的控制部经由电动气动的系统来实现对于检查来说所需的对挂车驻车制动器的测试性松开并且实现在检查之后挂车驻车制动器重新起作用,该电动气动的系统以公知的方式经由阀和调整机构来驱控相关的制动缸,例如像在所提及的出版文献中所描述的那样。
当现在拖挂车组配备有自动驻车功能,由此在拖挂车组泊车时并且在点火器关断之后自动地挂入驻车制动器时,则驾驶员实际上紧接着仍必须手动地激活挂车监控功能,以便监控牵引车的驻车制动器是否能够使包括未制动的挂车在内的整个拖挂车组驻车。
不同于此地,根据本发明,当驻车制动器已经自动地被挂入,则驾驶员为此现在不必再手动地操纵操作元件。如从根据唯一的附图的流程图表得知的那样,现在根据本发明自动地激活挂车监控功能。
因此,如果拖挂车组的电动气动的驻车制动设备具有自动驻车功能并且激活该自动驻车功能的话,该方法就在识别出泊车过程的情况下开始第一方法步骤S1。在泊车并且将驱动机的点火器关断之后,在第二方法步骤S2使拖挂车组自动地驻车或刹驻拖挂车组。紧接着,在第三方法步骤S3,自动地激活挂车监控功能。在此,电子的控制部暂时将挂车的驻车制动器松开。因此能够确认,牵引车的驻车制动器是否能够使包括未制动的挂车在内的整个拖挂车组驻车。在第四方法步骤S4中,挂入挂车的驻车制动器并且自动地停用挂车监控功能。该方法在第五方法步骤S5结束。
这五个方法步骤S1~S5可以是拖挂车组的电动气动的驻车制动设备的整个控制流程的部分。如果确认了拖挂车组仅通过牵引车自己的驻车制动器不足以保障安全的话,则驾驶员能够引入或执行附加的措施,以用于保护拖挂车组以防滚溜。

Claims (4)

1.用于运行拖挂车组的电动气动的驻车制动设备的方法,所述拖挂车组由牵引车和挂车构成,其中,在泊车过程并且确认所述拖挂车组静止不动之后激活挂车监控功能,所述挂车监控功能能够查验:在所述挂车的制动作用减弱时,所述拖挂车组是否能够仅通过所述牵引车的驻车制动器的制动作用来保持驻定,其特征在于,当已通过自动驻车功能自主地刹驻拖挂车组时,自动地执行所述挂车监控功能,
当在车辆静止不动时关断所述牵引车的驱动发动机的点火设备并且将之发信号告知给所述驻车制动设备的控制部时,则自动驻车功能识别出所述拖挂车组的泊车过程并且接着刹驻所述拖挂车组;并且紧接在这之后,自动地激活所述挂车监控功能并且在监控过程之后自动地又停用所述挂车监控功能。
2.根据权利要求1所述的方法,其特征在于,只要所述拖挂车组具备带有用于手动操纵所述驻车制动设备以及用于手动操纵所述挂车监控功能的操作元件的操纵装置,那么当能够阻止自动驻车功能并且能够手动地操纵驻车功能时,同样能够阻止对所述挂车监控功能的自动激活和停用以及能够手动地操纵所述挂车监控功能。
3.根据权利要求1至2中任一项所述的方法,其特征在于,向驾驶员光学地、声音地和/或触觉地显示对所述挂车监控功能的自动激活和停用。
4.拖挂车组的电动气动的驻车制动设备,所述电动气动的驻车制动设备能运行以执行根据方法权利要求中任一项所述的方法。
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