CN114556271A - 用于激活可接触操作的操作屏的清洁模式的方法和装置 - Google Patents

用于激活可接触操作的操作屏的清洁模式的方法和装置 Download PDF

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CN114556271A
CN114556271A CN202080073266.2A CN202080073266A CN114556271A CN 114556271 A CN114556271 A CN 114556271A CN 202080073266 A CN202080073266 A CN 202080073266A CN 114556271 A CN114556271 A CN 114556271A
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E·塔拉扬
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Mercedes Benz Group AG
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Abstract

本发明涉及一种用于激活机动车的可接触操作的操作屏的清洁模式的方法，其中，在清洁模式中该操作屏至少部分被切换至不起效，以避免误操作。根据本发明，用摄像头监测操作屏。通过识别由使用者的手在操作屏上控制的清洁工具来探测激活清洁模式的操作。

Description

用于激活可接触操作的操作屏的清洁模式的方法和装置
技术领域
本发明涉及一种方法和一种装置，其设立用于识别操作屏的清洁过程并激活清洁模式。
背景技术
借助触敏操作屏的功能操控被用在现代机动车中。所述操作在操作屏表面上留下不可避免的指纹，由此需要频繁清洁。
从出版物US 20180136833 A1中知道了一种带有触屏的装置，该装置设计用于识别在触屏上用手指或输入部件所做的预定手势。在探测到预定手势时，清洁模式被激活，此时为了避免误操作，在清洁过程中将触屏切换至不起效。
所公开的装置的缺点是，利用清洁工具的清洁总是需要在先明确输入预定手势。在可以用清洁工具如抹布进行清洁之前，必须用手指或特殊操作件做出该手势。
发明内容
与之相比，本发明的任务是提供一种方法和一种装置，借此允许更舒适地激活清洁模式。
该任务通过一种具有权利要求1的特征的用于激活清洁模式的方法以及一种根据权利要求9的装置来完成。从属权利要求限定本发明的优选有利实施方式。
在本发明方法中，用摄像头监测该操作屏并且在识别到由使用者的手在操作屏上控制或保持的清洁工具时探测到激活清洁模式的操作。在识别由使用者的手在操作屏上控制的清洁工具时激活该清洁模式。摄像头检测使用者的手将清洁工具、即例如清洁抹布、海绵、纤网等放到操作屏表面上。随着识别在操作屏表面上的清洁工具，清洁模式被激活以避免由湿润清洁工具在电容式或感应式显示器上或因从抹布滑开的手指而造成的操作屏误操作。相应地，在压敏显示器例如电阻显示器的情况下避免误操作。所述一个或多个摄像头布置在车顶中以检测对象和乘客手势。例如摄像头在司机座与副驾座之间区域内布置在车顶中，使得司机手势和副驾手势尤其可从显示器上方被检测到。包括了相应控制器的摄像头被设立用于识别所习得的手势和对象。对此，例如训练控制器所包含的神经元网络，直到确保以足够高的概率识别手势和对象。操作屏包括配属于相应功能的操作区、如图标。伴随清洁模式的激活，操作区至少部分被切换至不起效，即触摸或按压操作区都不会执行配属于操作屏的功能。操作屏例如被设计成触控盘、触敏显示器或可接触操作的操作区。操作屏例如按照电容方法、感应方法或电阻方法工作。本发明的方法有利地允许清洁该操作屏表面而不必明确接通清洁模式。伴随清洁工具的识别，已经能提前、即在由于滑擦动作而造成误触发之前就激活清洁模式。尤其在借助或许部分湿润的清洁工具清洁时，在触敏显示器上可以不执行由现有技术所公知的激活手势。根据现有技术，使用者必须首先用其手指执行激活手势，随后才能用清洁工具进行清洁。
在该方法的设计中，用摄像头监测操作屏，并且一旦识别到使用者的手的对于清洁的典型动作，就激活清洁模式。典型动作例如是清洁过程所固有的滑擦动作或划圆动作。
通过借助摄像头除了识别清洁工具外还识别典型动作，有利地明显提高清洁过程的识别概率。识别概率越高，清洁模式的错误激活就越少。
在一个替代的或附加的实施方式中，该清洁模式因为借助可接触操作的操作盘识别到由使用者的手控制的清洁工具的典型运动而被激活。通过操作屏的接触传感器确定清洁工具的运动轨迹。当该轨迹与滑擦过程的预定的典型轨迹一致或相似时，可以认定为清洁过程并且激活清洁模式。通过借助接触传感器识别典型动作，可以补充于借助摄像头的识别还进一步提高清洁过程的识别概率。
在该方法的其它设计中，利用触觉反馈、视觉反馈和/或声音反馈来对清洁模式的激活加以确认。触觉反馈例如是由执行机构造成的操作屏振动。视觉反馈在触敏显示器上例如通过显示表示滑擦过程的图像、通过显示工作状态“清洁模式”来进行，或者屏幕也可被切换至暗淡。
在另一个优选实施方式中，该清洁模式仅在预定的行驶速度范围内被激活。如果例如司机在高于预定速度范围的情况下开始清洁屏幕，则其未被置于清洁模式以避免司机分心。在通过清洁工具或典型动作检测到清洁意图时，向司机输出警报。该警报包括关于“清洁模式不可用”的信息和/或关于专心于交通的要求。有利地，该方法减少由分心造成的交通危险。
在一个改动实施方式中，对于司机和副驾，设定不同的行驶速度范围用于激活清洁模式。在此情况下，该摄像头探测谁手持清洁工具或谁将清洁工具移动到操作屏的表面或谁执行典型的手部动作。在一个实施方式中，该清洁模式在由副驾操作的情况下在车辆的所有速度范围都被激活，而在司机操作情况下仅在达到规定速度阈值时被激活。该方法允许区分不同的操作者以使可用性最大化。
在一个改动实施方式中，一旦摄像头在预定持续时间内未识别到清洁工具和/或一旦识别到了用手指的操控，则该清洁模式被结束。根据本发明的方法提供清洁模式的自动结束。
根据本发明的装置包括摄像头，其检测激活清洁模式的操作，其中，该激活操作包括由使用者的手在显示器表面上控制的清洁工具。本发明的装置允许将操作屏自动切换到清洁模式以防止误操控。
其它的优点、特征和细节来自以下视情况参照附图对至少一个实施例详细描述的说明。所述的和/或如图所示的特征可以本身或在任何有意义的组合中形成本发明的主题，视情况也独立于权利要求书，并且尤其也还能够是一个或多个独立申请的主题。相同的、相似的和/或功能相同的零部件带有相同的附图标记。
附图说明
附图示出：
图1示出带有摄像头的车辆内室，
图2示出根据本发明的方法的过程图。
具体实施方式
图1示出车辆内室1，其由摄像头3监测。在中控台中设置有呈触敏显示器5形式的具有多个操作区7的操作屏，为清楚起见，仅其中一个操作区用附图标记标示。
多项车辆功能配属于操作区7，它们可通过使用者的手的接触来调用。车辆功能例如涉及音量控制、娱乐系统、导航系统激活、行李厢打开或门打开、紧急呼叫等。
因手指接触而在显示器上留下指纹。指纹或其它污垢要由使用者利用清洁工具11例如最好是湿抹布来清洁。
由箭头表示的由使用者的手或手指控制的清洁工具11的典型动作13会造成意外接触操作区7并且不希望地激活功能。为了避免这种误操作，借助摄像头3来监测触敏显示器5。
摄像头被训练识别手15的典型动作和/或还有清洁工具11本身。摄像头、即摄像头和相应评估单元的训练根据从现有技术中知道的方法进行，例如借助神经元网络。一旦识别到典型动作11和/或清洁工具11，则触敏显示器5被切换到清洁模式。清洁模式造成操作区7被切换至无效并且禁止利用清洁工具11或利用在清洁工具11旁的手15的手指的触控。
在另一个变型中，清洁过程的识别概率得到提高，因为借助触敏显示器5的传感器系统来额外评估清洁工具11的运动。从由清洁工具11的运动造成的且由触敏显示器的传感器确定的轨迹可以推断出对于清洁过程典型的动作。通过触敏显示器5识别的动作可以有利地利用通过摄像头3识别的动作和对象来加以验证。
图2示出可利用如图1所示的装置执行的方法的一个变型的过程图。在步骤S100中，在例如车辆起步时激活借助摄像头3对触敏显示器5的监测。在步骤S103中，摄像头3识别由使用者的手在触敏显示器5上所操控的、即安放的清洁工具11和/或以典型动作13所控制的清洁工具11。在步骤S104中检查清洁模式的条件是否被满足，即，车辆在预定的速度范围内行驶和/或例如司机或副驾在当前速度范围被允许清洁。如果未满足所述条件，则回跳至步骤S103。同时，向使用者输出关于“在当前行驶状态下不允许屏幕清洁”的通知。如果满足了这些条件，则在步骤S105中将触敏显示器5切换至无效、即切换至清洁模式。向清洁模式的切换被以视觉方式在触敏显示器5上显示给使用者。在步骤S107中检查是否继续满足关于清洁模式的条件。如果继续满足所述条件，则回跳至步骤S105，而如果不再满足所述条件，则触敏显示器5在步骤S109中又针对按照规定的操控被激活。当在预定期间内都未识别到清洁工具或未识别到在对于清洁过程典型的运动中所控制的清洁工具时，或者当摄像头3识别到只有使用者的手15的手指9操控触敏显示器5、即没有清洁工具11时，则不再满足用于清洁模式的条件。
虽然通过优选实施例详细具体说明和解释了本发明，但本发明不受所公开例子的限制，本领域技术人员可从中推导出其它变化而没有脱离本发明保护范围。因此显然存在许多变化可能性。所例举的实施方式也显然真的只是例子，其绝不应被理解为比如对保护范围、应用可能性或本发明配置的限制。相反，以上描述和附图说明使本领域技术人员能够具体实现实施例，在此，本领域技术人员在知晓公开的发明构思情况下可完成例如关于在实施例中提到的各个零部件的功能或布置的各种各样的改变，而没有脱离由权利要求书及其合法等同比如像说明书中的详述所限定的保护范围。

Claims (9)

1.一种用于激活机动车的可接触操作的操作屏的清洁模式的方法，其中，在清洁模式中该操作屏至少部分被切换至不起效(S105)，以避免误操作，
其特征是，
-用摄像头监测(S100)操作屏，并且
-借助摄像头探测激活清洁模式的操作，其中，该激活操作包括由使用者的手在操作屏上控制的清洁工具(S103)。
2.根据权利要求1所述的方法，其特征是，所述激活清洁模式的操作包括使用者的手的典型动作(S103)。
3.根据权利要求1或2所述的方法，其特征是，通过借助所述可接触操作的操作屏的传感器识别使用者的手的典型动作来探测激活清洁模式的操作。
4.根据权利要求1至3之一所述的方法，其特征是，利用触觉反馈或视觉反馈来确认操作屏的清洁模式的激活(S105)。
5.根据权利要求1至4之一所述的方法，其特征是，所述清洁模式仅在预先规定的行驶速度范围内被激活(S104)。
6.根据权利要求5所述的方法，其特征是，对于司机和副驾设定(S104)彼此不同的行驶速度范围。
7.根据权利要求1至6之一所述的方法，其特征是，一旦在规定持续时间都未识别到清洁工具和/或一旦借助摄像头识别到了手指的操控(S107)，就结束清洁模式。
8.一种机动车装置，该装置被设立用于识别对操作屏(5)的激活清洁模式的操作，其特征是，该装置包括检测该激活操作的摄像头(3)，其中，该激活操作包括由使用者的手(15)在操作屏(5)上控制的清洁工具(11)。
9.根据权利要求9所述的装置，其特征是，所述操作屏(5)被设计成触敏显示器。
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