CN105711511A - 用于运行平视显示器的方法、显示设备、车辆 - Google Patents
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Abstract
用于运行平视显示器的方法、显示设备、车辆。本发明涉及用于运行车辆(1)、特别是机动车的平视显示器(2)的方法,其中通过所述平视显示器(2)至少一种信息被显示并且其中所述方法包括下列步骤:确定驾驶员(15)的至少一个眼睛的视线方向,检查所述驾驶员(15)的至少一个眼睛的视线方向是否指向所述平视显示器(2)的方向以及如果所述驾驶员(15)的至少一个眼睛的视线方向指向所述平视显示器(2)的显示(11)的方向,则改变所述平视显示器(2)的显示(11)以改进所述至少一种信息的可读性。
Description
技术领域
本发明涉及用于运行车辆、特别是机动车的平视显示器的方法,其中通过所述平视显示器显示至少一种信息。
本发明此外涉及用于车辆、特别是机动车的具有平视显示器和控制设备的显示设备以及涉及具有所述显示设备的车辆、特别是机动车。
背景技术
开头提到的类型的平视显示器从现有技术中已知。平视显示器特别是增多地在机动车中被使用,以便使驾驶员容易控制最重要的行驶参数。一种从现有技术中已知的平视显示器为此将信息投射到挡风玻璃上,在驾驶员的视野的下部区域中。为了察觉由平视显示器所显示的信息,驾驶员因此不必将其视线完全从道路移开,而是可以将其视线方向仅仅轻微地向下对准,以便聚焦平视显示器的显示。
此外,从DE10338647A1中已知,驾驶员的头部的位置或该驾驶员的眼睛的视线方向可以通过传感器被检测,以便因此调节在机动车的反射镜中安置的发光信号的亮度。
发明内容
具有权利要求1的技术特征的根据本发明的方法具有自动化地识别驾驶员是看平视显示器的显示还是看道路的优点。特别是由此可能的是,设计平视显示器在静止状态、也就是说当驾驶员的视线方向不指向平视显示器的方向时的状态中的显示,使得平视显示器的显示几乎不或完全不被驾驶员察觉以及仅仅在驾驶员的至少一个眼睛的视线方向指向平视显示器的显示的方向时,该显示被改变,使得至少一种在该显示上所显示的信息对于驾驶员来说能够被良好地读取。至少一种所显示的信息因此应当在平视显示器的显示的静止状态中几乎不或者完全不能够被识别以及被读取并且通过改变该显示才被呈现给驾驶员,使得所述至少一种所显示的信息能够清楚地被识别以及读取。除此之外,可以通过检查驾驶员的至少一个眼睛的视线方向是否指向平视显示器的显示的方向被用于使其它的驾驶辅助功能与此配合。在驾驶员看平视显示器的显示时,例如通过改变平视显示器的显示和/或推迟警告信号时间点,该驾驶员例如可以被更特别地警告提防危险的交通情况。因此,通过根据本发明的方法,驾驶员通过平视显示器在静止状态中的显示被更少地分心并且此外对于该驾驶员看平视显示器的显示的情况来说具有更多的信任,因为该驾驶员知道:他通过平视显示器的显示的改变和/或通过借助于至少一个位于车辆中或上的传感器的警告信号被警告提防即将发生的危险的交通情况。这导致改进的用户体验。
根据本发明的一种优选改进方案规定,为了改变显示,该显示的对比度被提高。替代地或附加地,优选地规定,为了改变显示,该显示的亮度被提高。替代地或附加地,优选地规定,为了改变显示,该显示的清晰度被提高。替代地或附加地,优选地规定,为了改变显示,至少一种所显示的信息被放大。
在本发明的一种优选设计方案中,在驾驶员的至少一个眼睛的视线方向指向平视显示器的显示的方向时,平视显示器的显示被改变,使得与平视显示器的显示的静止状态相比较该显示的一种或多种特性、即对比度、亮度和清晰度被提高和/或至少一种在该显示上所显示的信息被放大。因此,在静止状态中平视显示器的显示与该平视显示器的显示的被改变的状态相比较是对比更不明显的、更不亮的和/或更不清晰的和/或在该显示上所显示的至少一种信息是更小的。仅在驾驶员朝平视显示器的方向看时,在该平视显示器上所投影的信息被示出给驾驶员,使得短的察觉持续时间就足以识别以及处理所述信息。有利地由此得出,驾驶员感觉平行显示器在静止状态中、也即在正常驾驶运行中的显示是更少干扰的并且该驾驶员更少地由此被分心。
如果替代地显示的对比度、亮度或清晰度被提高或所显示的信息的大小被放大,则上面提到的这种技术效果已经被实现。然而,假如显示的上面提到的特性中的多个或全部特性被改变,则附加地提高该显示的可识别性。特别是在该显示上投影的至少一种信息在非常短的时间内被驾驶员察觉。
根据本发明的一种优选改进方案规定,确定驾驶员的两个眼睛的视线方向并且仅在两个眼睛的视线方向的确定得出聚焦到平视显示器的显示上时才改变所述显示。为此,优选地确定驾驶员的两个眼睛的视线方向并且计算聚焦区域、特别是聚焦点。紧接着检查驾驶员的两个眼睛的聚焦区域、优选地聚焦点是否与平视显示器的显示叠合。术语“聚焦点”被理解为驾驶员的一个眼睛的视线方向直线和驾驶员的另一眼睛的视线方向直线的交点或者假如所述两条直线不相交,则被理解为两条直线彼此的最小间隔。术语“聚焦区域”被理解为围绕所述聚焦点伸展的区域。优选地,所述聚焦区域从聚焦点伸展最大5cm并且优选地形成球形区域,其中中心是聚焦点并且半径最大为5cm。
通过确定两个眼睛的视线方向和相应的所计算的到平视显示器的显示上的聚焦,平视显示器的显示仅仅在驾驶员看所述显示时才被改变。有利地,穿过平视显示器的显示的所谓的“看穿(Hindurchblicken)”在该实施方式中不导致平视显示器的显示的改变。
根据本发明的一种优选改进方案规定,假如即将发生的危险的交通情况借助于至少一个、优选地刚好一个位于车辆中或上的传感器被识别,则所述平视显示器被关断。与此相应地,即使该驾驶员看平视显示器的显示,驾驶员也有利地被提示即将发生的危险的交通情况。替代于本发明的该优选改进方案,也可能的是,假如危险的交通情况即将发生并且驾驶员的至少一个眼睛的视线方向指向平视显示器的显示的方向,则将平视显示器的显示置于静止状态中,以便如此将驾驶员的注意力转向险恶的交通情况。
具有权利要求8的特征的根据本发明的显示设备特别是以识别设备和控制设备而突出,所述控制设备在根据确定的应用中执行根据本发明的方法。由此得出先前已经提到的优点。根据本发明的显示设备特别是被集成在车辆、特别是机动车中。
具有权利要求9的特征的根据本发明的车辆、优选地机动车特别是以根据本发明的显示设备而突出。由此得出先前已经提到的优点。
附图说明
下面应当借助附图更详细地阐述本发明。为此唯一的图以侧视图示出在纵剖面中车辆的示意图。
具体实施方式
唯一的图示出具有平视显示器2的车辆1,所述平视显示器被安装在车辆1的仪表盘6中。平视显示器2的图像产生单元3通过投影光学器件2a、2b将光发射到挡风玻璃4上。挡风玻璃4朝驾驶员15的眼睛的方向反射未示出的光路的进行投影的光。平视显示器2通过挡风玻璃4投影所显示的(多种)信息的图像,使得驾驶员15可以检测平视显示器2的显示11。显示11被布置在驾驶员15的座位位置、方向盘8和组合仪表7的一排中,使得平视显示器2的显示11尤其在驾驶员15的视线中笔直地穿过挡风玻璃4被识别。此外,检测设备12布置在车辆1上的驾驶员15之上,所述检测设备特别是具有摄像机、传感器或视频摄像机,以及必要时也具有发出红外线的单元。识别设备12被定位和构造,使得该识别设备可以探测并且确定驾驶员15的至少一个眼睛的视线方向、优选地驾驶员15的两个眼睛的视线方向。优选地,识别设备12在此被定位在驾驶员的眼睛之下,使得虹膜和瞳孔不被眼睑遮盖。优选地,识别设备12因此以被集成到仪表盘中的方式被构造。替代地,可以规定,如在该图中所示出的那样,识别设备12被集成到A柱中。
此外,控制设备13存在于车辆1中。该控制设备13可以处理驾驶员的至少一个眼睛的由检测设备12确定的视线方向并且在此检查:驾驶员15的至少一个眼睛的视线方向是否指向平视显示器2的方向,特别是驾驶员15是否聚焦平视显示器2的显示11。优选地,也可以规定,识别设备12被集成在控制设备13中。
对于驾驶员15的至少一个眼睛、优选地两个眼睛的视线方向指向平视显示器2的显示11的方向(通过箭头A表明)、特别是聚焦该显示的情况来说,显示11(与静止状态相比较)被改变,也就是说特别是该显示的对比度、亮度和/或清晰度被提高和/或在那里所显示的至少一种信息的大小被放大,使得所述至少一种信息能够被更好地读取。如果驾驶员15的视线方向(通过箭头B表明)不指向平视显示器2的显示11,则平行显示器2的显示11要么停留在该显示的静止状态中要么返回到该状态中,假如驾驶员之前已经朝平行显示器2的显示11的方向看的话。
用于检测驾驶员的一个或两个眼睛的视线方向的方法从现有技术中已知。其中可以为此使用红外技术。在此,位置固定的、优选地固定在车辆1的仪表盘上的、发出红外线的单元的微弱的红外光线被对准驾驶员的眼睛。在检测设备的优选地所执行的校准之后,由视频摄像机记录驾驶员的眼睛中的至少一个眼睛的图像,所述图像不仅记录(两个)瞳孔,而且记录红外光在角膜上的反射点(所谓的角膜反射)。相应的软件紧接着从瞳孔和角膜反射的相对间隔算出视线方向。
红外源优选地非常近地、特别是以小于1cm的距离被布置在识别设备12的附近。因为然后对眼睛的照射在几乎与通过识别设备12的检测相同的光轴上进行,所以所检测的瞳孔在由识别设备12检测的图像中显现为白圆片,因为光被视网膜反射。替代地,优选地规定,红外源与识别设备进一步间隔地布置,特别是从摄像机移位至少10至15cm。所述红外源特别是相对于摄像机或识别设备12侧向地移位,使得该红外源例如被安置在车辆1的组合仪表的最外面的侧面位置处。红外源于是侧向地朝着眼睛辐射,由此瞳孔作为黑圆片在由识别设备12所绘制的图像中显现。
Claims (9)
1.用于运行车辆(1)、特别是机动车的平视显示器(2)的方法,其中通过所述平视显示器(2)至少一种信息被显示并且其中所述方法包括下列步骤:
a)确定驾驶员(15)的至少一个眼睛的视线方向,
b)检查所述驾驶员(15)的至少一个眼睛的视线方向是否指向所述平视显示器(2)的方向,以及
c)如果所述驾驶员(15)的至少一个眼睛的视线方向指向所述平视显示器(2)的显示(11)的方向,则改变所述平视显示器的显示(11)以改进所述至少一种信息的可读性。
2.根据前述权利要求之一所述的方法,其特征在于,为了改变所述显示(11),所述显示的对比度被提高。
3.根据前述权利要求之一所述的方法,其特征在于,为了改变所述显示(11),所述显示的亮度被提高。
4.根据前述权利要求之一所述的方法,其特征在于,为了改变所述显示(11),所述显示的清晰度被提高。
5.根据前述权利要求之一所述的方法,其特征在于,为了改变所述显示(11),至少一种所显示的信息被放大。
6.根据前述权利要求之一所述的方法,其特征在于,所述驾驶员(15)的两个眼睛的视线方向被确定并且仅在两个眼睛的视线方向的确定得出到所述平视显示器(2)的显示(11)上的聚焦时所述显示(11)才被改变。
7.根据前述权利要求之一所述的方法,其特征在于,假如即将发生的危险的交通情况借助于至少一个位于所述车辆(1)中或上的传感器被识别,则所述平视显示器(2)被关断。
8.用于车辆(1)、特别是机动车的显示设备,具有平视显示器(2)并且具有控制设备(13),其特征在于用于确定驾驶员(15)的至少一个眼睛的视线方向的检测设备(12),其中所述控制设备(13)在根据确定的应用中执行根据权利要求1至7之一所述的方法。
9.车辆(1),特别是机动车,具有根据权利要求8所述的显示设备。
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CN109109666A (zh) * | 2018-09-03 | 2019-01-01 | 王宣武 | 一种汽车前风窗视觉控制系统 |
WO2019127224A1 (zh) * | 2017-12-28 | 2019-07-04 | 深圳市大疆创新科技有限公司 | 调焦方法、装置及抬头显示设备 |
CN110114809A (zh) * | 2017-03-14 | 2019-08-09 | 宝马股份公司 | 用于在具有变化的输出功能的光信号设备处提醒驾驶员起动的方法和装置 |
CN110226196A (zh) * | 2017-01-20 | 2019-09-10 | Zf 腓德烈斯哈芬股份公司 | 用于检查车辆的显示器的方法和设备以及车辆的显示器 |
CN111873929A (zh) * | 2020-05-28 | 2020-11-03 | 江西江铃集团新能源汽车有限公司 | 一种车载hud投影自动调节方法、系统及汽车 |
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JP6865006B2 (ja) * | 2016-09-28 | 2021-04-28 | 矢崎総業株式会社 | 車両用表示装置 |
DE102016225639A1 (de) | 2016-12-20 | 2018-07-05 | Volkswagen Aktiengesellschaft | Head-up-Display-Vorrichtung für ein Kraftfahrzeug, Verfahren, Vorrichtung und computerlesbares Speichermedium mit Instruktionen zur Steuerung einer Anzeige einer Head-up-Display-Vorrichtung |
DE102019127170A1 (de) * | 2019-10-09 | 2021-04-15 | Bayerische Motoren Werke Aktiengesellschaft | Fortbewegungsmittel und Anordnung zur Information eines Anwenders eines Fortbewegungsmittels |
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CN109109666A (zh) * | 2018-09-03 | 2019-01-01 | 王宣武 | 一种汽车前风窗视觉控制系统 |
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