CN105722716B - 内部显示系统和方法 - Google Patents

内部显示系统和方法 Download PDF

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Publication number
CN105722716B
CN105722716B CN201480062762.2A CN201480062762A CN105722716B CN 105722716 B CN105722716 B CN 105722716B CN 201480062762 A CN201480062762 A CN 201480062762A CN 105722716 B CN105722716 B CN 105722716B
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vehicle
projecting apparatus
image
desired location
controller
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CN105722716A (zh
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J.A.博赫内克
J.C.迪德里希
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Optics & Photonics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Instrument Panels (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Traffic Control Systems (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

用于在车辆中使用内部显示设备的系统和方法。内部显示设备包括投影设备和控制器。控制器配置成接收多个车辆参数,并且基于多个车辆参数确定车辆内部内的预期位置。预期位置对应于驾驶员将期望看到的车辆的内部区域。控制器还配置成基于多个车辆参数选择图像(515,520),并且操作投影设备以在车辆内部内的预期位置处投影图像。

Description

内部显示系统和方法
相关申请
本申请要求2013年11月18日提交的并且题为“INTERIOR DISPLAY SYSTEM ANDMETHODS”的美国临时申请No. 61/905,656的优先权,该美国临时申请的完整内容通过引用并入。
背景技术
本发明涉及用于使用车辆内部作为显示器的方法和系统。
在驾驶时,驾驶员可能不总是专注于仪表板或者安装在车辆前方(例如,当驾驶员向前挡风玻璃外看时,在驾驶员前方)的其它显示器。例如,当倒车时,驾驶员可以转动其头部并且向后挡风玻璃外看。在这些情况期间,驾驶员不能够观看包括在车辆中的许多显示器。因此,当反向驾驶或者执行其它车辆操纵时,驾驶员可能看不到提供在显示器上的警报或其它有用信息。因此,车辆的其它内部表面可以用于向驾驶员显示信息以将显示器置于驾驶员的视场内。
发明内容
本发明提供一种用于车辆的内部显示设备。内部显示设备包括投影设备和控制器。控制器配置成接收多个车辆参数并且基于多个车辆参数确定车辆内部内的预期位置。预期位置对应于驾驶员将预期看到的车辆的内部区域。控制器还配置成基于多个车辆参数选择图像并且操作投影设备以在预期位置处投影图像。
本发明还提供一种使用车辆内部作为显示器的方法。方法包括在控制器处接收多个车辆参数并且使用控制器基于多个车辆参数来确定车辆内部内的预期位置。预期位置对应于驾驶员将预期看到的车辆的内部区域。方法还包括用控制器基于多个车辆参数来选择图像并且用投影设备在预期位置处显示图像。
本发明的其它方面将通过考虑详细描述和附图而变得显而易见。
附图说明
图1是用于车辆的内部显示系统的框图。
图2是能够在图1的内部显示系统中使用的内部显示设备的框图。
图3是包括能够在图2的内部显示设备中使用的投影设备的车辆的内部的图。
图4是包括能够在图2的内部显示设备中使用的投影设备的车辆的内部的图。
图5是车辆的内部的图。
具体实施方式
在详细解释本发明的任何实施例之前,要理解到,本发明在其应用方面不限于在以下描述中阐述或者在以下附图中图示的部件的布置和构造的细节。本发明能够具有其它实施例并且能够以各种方式实践或实施。
而且,要理解到,本文中使用的短语和术语出于描述的目的并且不应当视为限制性。在本文中“包括”、“包含”或“具有”及其变形的使用意在涵盖其后所列出的项目及其等同物以及附加项目。术语“安装”、“连接”和“耦合”被宽泛地使用并且涵盖即直接又间接安装、连接和耦合。另外,“连接”和“耦合”不受限于物理或机械连接或耦合,并且可以包括电气连接或耦合,无论是直接的还是间接的。而且,可以使用任何已知的方式(包括直接连接、无线连接等)执行电子通信和通知。
还应当指出,多个基于硬件和软件的设备,以及多个不同的结构部件,可以被利用来实现本发明。此外,并且如在随后段落中所描述的,在附图中图示的具体配置旨在例示本发明的实施方式。可替换的配置是可能的。
除其它部件之外,用于车辆的内部显示系统100包括内部显示设备110、控制器区域网络(“CAN”)总线120、多个车辆传感器130和多个检测传感器140,如图1中所图示的那样。多个车辆传感器130感测或提供多个车辆参数,该多个车辆参数包括例如转向角、车辆速度、排挡选择(例如前进或倒退)、车辆速度、方向灯状态、刹车状态和位置数据(例如GPS)。多个检测传感器140提供涉及位于车辆周围的所检测或感测的对象的信息或参数。多个检测传感器140可以包括例如相机、雷达(RADAR)单元和激光雷达(LIDAR)单元。相机可以定位成捕获车辆周围的视场的图像或一系列图像。例如,一个或多个相机可以捕获车辆的盲点的图像。雷达单元和激光雷达单元检测位于车辆周围的对象(例如其它车辆、行人、树木等)的存在和位置。在所示出的实施方式中,多个车辆传感器130和多个检测传感器140经由CAN总线120与内部显示设备110通信。可以使用不同类型的通信或其它连接,包括无线和有线连接。
图2图示了图1的内部显示设备110,除其它部件之外,该内部显示设备110包括控制器200、投影设备205、电源模块210、用户接口215和通信模块220。
控制器200包括或连接到外部设备(例如计算机),其包括可操作成尤其控制投影设备205的操作的软件和硬件的组合。在一个实施方式中,控制器200或外部设备包括印刷电路板(“PCB”),其填充有向内部显示设备110提供电力、操作控制和投影的多个电气和电子部件。在一些实施方式中,PCB包括例如处理单元225(例如微处理器、微控制器或者另一适合的可编程设备)、存储器230和总线。总线将包括存储器230的PCB的各种部件连接到处理单元225。存储器230包括例如只读存储器(“ROM”)、随机存取存储器(“RAM”)、电气可擦除可编程只读存储器(“EEPROM”)、闪速存储器、硬盘或者另一适合的磁性、光学、物理或电子存储器设备。处理单元225连接到存储器230并且执行能够存储在RAM(例如在执行期间)、ROM(例如在大体永久的基础上)或另一非暂时性计算机可读介质(诸如另一存储器或磁盘)中的软件。另外或可替换地,存储器230被包括在处理单元225中。控制器200还包括输入/输出(“I/O”)单元235,其包括用于在控制器200内的部件与内部显示设备110或内部显示系统100的其它部件之间传递信息的例程。例如,通信模块220配置成提供内部显示设备110与CAN总线120之间的通信。
包括在内部显示设备110的一些实施方式中的软件被存储在控制器200的存储器230中。软件包括例如固件、一个或多个应用、程序数据、一个或多个程序模块和其它可执行指令。控制器200配置成从存储器230检索并且执行(除其它部件之外)涉及以下所描述的控制过程和方法的指令。在一些实施方式中,控制器200或外部设备包括附加的、更少的或者不同的部件。
除其它部件之外,PCB还包括多个附加的无源和有源部件,诸如电阻器、电容器、电感器、集成电路和放大器。这些部件布置并连接成向PCB提供多个电气功能,尤其包括滤波、信号调节或电压调整。出于描述目的,PCB和填充在PCB上的电气部件统称为控制器200。
电源模块210向内部显示设备110供应标称AC或DC电压。在一些实施方式中,电源模块210由车辆的交流发电机供电。在一些实施方式中,电源模块210由一个或多个电池或电池组(诸如车用蓄电池)供电。电源模块210还配置成供应较低电压以操作内部显示设备110内的电路和部件。
用户接口215被包括以控制内部显示设备110。用户接口215可操作地耦合到控制器200以控制例如由投影设备205投影的图像的位置。用户接口215可以包括实现针对系统的期望水平的控制所要求的数字和模拟输入设备的任何组合。例如,用户接口215可以包括计算机,其具有显示器和输入设备、触摸屏显示器以及多个旋钮、刻度盘、开关、按钮、衰减器等。在一些实施方式中,用户接口215与内部显示设备110分离。
通信模块220向一个或多个分离的通信模块发送和/或从一个或多个分离的通信模块接收信号。除其它分量之外,信号包括信息、数据、串行数据和数据包。通信模块220可以经由电线、光纤和/或无线地耦合到一个或多个分离的通信模块。经由电线和/或光纤的通信可以是本领域技术人员所已知的任何适当的网络拓扑,诸如以太网。无线通信可以是本领域技术人员所已知的任何适当的无线网络拓扑,诸如Wi-Fi。
投影设备205包括一个或多个投影仪。一个或多个投影仪可以被安装到车辆内部以在车辆内部显示图像。一个或多个投影仪可以包括由Optima、LG和AAXA制造的PICO投影仪。在一些智能电话和其它手持设备中找到PICO投影仪。因此,在一些实施方式中,并非直接在车辆中安装投影仪,而是投影设备205可以包括用于智能电话的插接站,其将被包括在智能电话中的投影仪定位成投影如本文所描述的图像。
投影仪用于在原本不包括显示器的车辆的内部表面上投影一个或多个图像。例如,投影仪可以用于在前或后挡风玻璃的内部表面、侧窗的内部表面、后座的表面、车顶、车辆支柱、底盘、门板、车辆控制台等上投影一个或多个图像。
图3图示了车辆内部中的投影设备205的实施方式。除其它部件之外,投影设备205包括多个投影仪300A-300C。多个投影仪300A-300C定位成分别在箭头305A-305C所指示的方向上投影图像。投影仪300A在后挡风玻璃310或者后挡风玻璃310上方的车顶区域315上投影图像。投影仪300B在驾驶员侧的后支柱320上投影图像。投影仪300C在乘客侧的后支柱325上投影图像。在一些实施方式中,投影仪300A在中间的后座330上投影图像。
图4图示了车辆内部中的投影设备205的实施方式。除其它部件之外,投影设备205包括具有电机405的投影仪400。电机405配置成使投影仪取向成在车辆内部内的不同位置(例如,后挡风玻璃410、后挡风玻璃410上方的车顶区域415、驾驶员侧的后支柱420、乘客侧的后支柱425和后排中座430)处投影图像。例如,为了在后挡风玻璃410上投影图像,电机405使投影仪400取向成在由箭头435指示的方向上投影图像。同样例如,为了在驾驶员侧的后支柱420上投影图像,电机405使投影仪400取向成在由箭头440指示的方向上投影图像。此外例如,为了在乘客侧的后支柱425上投影图像,电机405使投影仪400取向成在由箭头445指示的方向上投影图像。使用机动化的投影仪可以消除与具有多个投影仪来在不同位置处投影图像相关联的成本。而且,机动化的投影仪允许驾驶员手动调节所投影的图像的位置。在一些实施方式中,驾驶员可以使用用户接口215手动调节所投影的图像的位置。
控制器200配置成从多个车辆传感器130和多个检测传感器140接收多个车辆参数。控制器200还配置成基于多个车辆参数确定车辆内的预期位置。预期位置对应于驾驶员将预期看到的车辆的内部区域。例如,如果控制器200确定车辆正倒退,则可以朝向车辆后部显示图像,该车辆后部是当车辆正倒退时驾驶员看到的地方(例如直接地通过转动其头部或者间接地通过一个或多个后视镜)。类似地,如果控制器200确定车辆正执行车道变换,则图像可以被显示在前挡风玻璃或车辆的前支柱(例如最接近车辆正进入的车道的支柱)上。
在确定预期位置之后,控制器200确定要投影哪个或哪些图像。在一些实施方式中,所投影的图像包括由安装在车辆上的一个或多个相机捕获的图像。例如,图像可以包括一个或多个相机的完整视场或者相机的视场的部分(例如车辆的盲点中诸如在车辆的后挡风玻璃下方的视场的部分)。在其它实施方式中,所投影的图像包括表示所检测的对象(例如使用雷达、激光雷达、图像处理等所检测的对象)的图标或加亮区的投影。当所检测的对象移动时,图标可以随着对象移动。图标的特性还可以基于对象变化。例如,如果对象看起来是人或动物(在此之后称为“行人”),则图标可以具有特定形状、颜色、动画等。可替换地,如果对象看起来是固定对象(例如树木、标志、停车计时器),则图标具有不同形状、颜色、动画等。否则,如果所检测的对象看起来是另一车辆,则图标可以具有又一形状、颜色、动画等。图5图示了其中行人505(即移动对象)和树木510(即固定对象)位于车辆后方的示例性情况下的车辆500的后部区域的视图。圆形515被投影在后挡风玻璃上以警告驾驶员行人505的存在。方形520被投影在后挡风玻璃上以警告驾驶员树木510存在。投影的不同形状使得驾驶员能够区分移动对象和固定对象。
而且在一些实施方式中,如果所检测的对象进入距车辆的预确距离内,则图标形状、颜色、动画等改变以指示所检测的对象与车辆之间的距离。在一些实施方式中,距离的不同范围可以与不同图标特性相关联。例如,绿色图标可以表示被检测的对象距车辆为“安全”距离。黄色图标可以表示被检测的对象距车辆为“警戒”距离,并且红色图标可以表示被检测的对象距车辆为“警告”距离。因此,随着对象更接近车辆时,图标可以从绿色改变(morph)为红色。
而且,如果控制器200确定车辆正过快地行进(例如基于速度限制或者道路的曲率或状况),则可以在车辆的前支柱上显示图像。应当理解到,可以显示多于一个图像。例如,在一些实施方式中,在盲点检测期间,图像可以被显示在车辆的一侧上的前支柱和后支柱二者上。此外,图像可以被投影在表示通过其可以看到或者将很快可观察到的感兴趣的对象的窗口的车辆的侧窗上。
在一些实施方式中,投影仪用于连续地投影图像(例如每当车辆运行或者驾驶车辆时)。在其它实施方式中,投影仪用于在执行特定车辆操作(例如执行车道变换、停车、倒退等)时投影图像。在又其它的实施方式中,投影仪用于在需要警告驾驶员时投影图像。
在确定投影哪些图像之后,控制器200操作投影设备205以在预期位置处显示图像。在其中投影设备205包括多个静态安装的投影仪(诸如图3中图示的那样)的一些实施方式中,控制器200选择并且操作多个投影仪300A-300C中的一个或多个以在预期位置处投影所选择的图像。在其它实施方式中,在投影设备205包括机动化投影(诸如图4中图示的那样)的情况下,控制器200确定针对电机405的一组坐标以使投影仪400取向成投影所选择的图像。该组坐标基于预期位置。
在一些实施方式中,当投影图像时,驾驶员能够关断所投影的图像。例如,在一些实施方式中,在最初投影图像之后,驾驶员可以点击刹车以确认并且关断所投影的图像。在其它实施方式中,驾驶员可以与用户接口215交互以确认并且关断所投影的图像。
在一些实施方式中,充当针对所投影的图像的背景的内部表面被处置成增强所投影的图像的质量。例如,表面可以是平滑且平坦的。表面还可以是至少部分透明的,或者如果半透明,则可以是浅色(例如白色、奶油色或者灰白色)的,这使得所投影的光更容易观看。一个或多个涂层或膜也可以被应用到表面以提高表面的反射质量。膜或涂层还可以被提供在表面上,膜或涂层使得所投影的图像的视图根据不同角度或方向而不同(例如以使得所投影的图像对于道路上的其他驾驶员或车辆中的乘客不可见)。
在其它实施方式中,车辆的其它部件可以用于增强所投影的图像。例如,在一些实施方式中,可以提供背光照明用于所显示的图像。当在侧窗上显示图像时,可以从侧视镜提供背光照明。特别地,在镜子与用于镜子的外壳之间的间隙中可见的照明可以提供针对投影在侧窗上的图像的背光照明。
因而,本发明尤其提供一种用于车辆的内部显示系统。在所附权利要求中阐述本发明的各种特征和优点。

Claims (20)

1.一种用于车辆的内部显示设备,包括:
投影设备;以及
控制器,配置成
接收多个车辆参数,
基于多个车辆参数确定车辆内部内的预期位置,所述预期位置对应于驾驶员将期望看到的车辆的内部区域,
基于多个车辆参数选择图像,以及
操作投影设备以在预期位置处投影图像。
2.根据权利要求1的内部显示设备,其中多个车辆参数包括选自包含以下的组的至少一个车辆参数:排挡选择、车辆速度、方向灯状态、刹车状态、转向角和GPS数据。
3.根据权利要求1的内部显示设备,其中投影设备包括第一投影仪和第二投影仪,第一投影仪和第二投影仪配置成在车辆内部内的不同位置处投影图像。
4.根据权利要求3的内部显示设备,其中控制器还配置成
基于预期位置选择第一投影仪和第二投影仪中的一个,并且
操作所选择的投影仪以在预期位置处投影图像。
5.根据权利要求1的内部显示设备,其中投影设备包括
投影仪,以及
配置成控制投影仪的位置的电机。
6.根据权利要求5的内部显示设备,其中控制器还配置成
基于预期位置确定针对投影仪的一组坐标,以及
操作电机以基于该组坐标改变投影仪的位置。
7.根据权利要求1的内部显示设备,其中图像包括选自包含以下的组的至少一个图像:图标、安装在车辆上的相机的完整视场、以及安装在车辆上的相机的视场的部分。
8.根据权利要求1的内部显示设备,其中控制器还配置成
从车辆的驾驶员接收信号,以及
操作投影设备以在接收到信号时停止在预期位置处显示图像。
9.根据权利要求1的内部显示设备,其中多个车辆参数包括位于车辆周围的所检测的对象。
10.根据权利要求9的内部显示设备,其中所检测的对象通过选自包含雷达、激光雷达和相机的组的至少一个检测设备来检测。
11.一种用于将车辆内部用作显示器的方法,所述方法包括:
在控制器处接收多个车辆参数;
通过控制器基于多个车辆参数来确定车辆内部内的预期位置,所述预期位置对应于驾驶员将预期看到的车辆的内部区域;
通过控制器基于多个车辆参数来选择图像;以及
通过投影设备在预期位置处显示图像。
12.根据权利要求11的方法,其中多个车辆参数包括选自包含以下的组的至少一个车辆参数:排挡选择、车辆速度、方向灯状态、刹车状态、转向角和GPS数据。
13.根据权利要求11的方法,其中投影设备包括第一投影仪和第二投影仪,第一投影仪和第二投影仪配置成在车辆内部内的不同位置处投影图像。
14.根据权利要求13的方法,还包括
通过控制器基于预期位置来选择第一投影仪和第二投影仪中的一个;
当选择第一投影仪时,通过第一投影仪在预期位置处显示图像;以及
当选择第二投影仪时,通过第二投影仪在预期位置处显示图像。
15.根据权利要求11的方法,其中投影设备包括
投影仪,以及
配置成控制投影仪的位置的电机。
16.根据权利要求15的方法,还包括
通过控制器基于预期位置来确定针对投影仪的一组坐标,以及
通过电机基于该组坐标来改变投影仪的位置。
17.根据权利要求11的方法,其中图像包括选自包含以下的组的至少一个图像:图标、安装在车辆上的相机的完整视场、以及安装在车辆上的相机的视场的部分。
18.根据权利要求11的方法,还包括
通过控制器从车辆的驾驶员接收信号,以及
通过投影设备在接收到信号时停止在预期位置处显示图像。
19.根据权利要求11的方法,其中多个车辆参数包括位于车辆周围的所检测的对象。
20.根据权利要求19的方法,其中所检测的对象通过选自包含雷达、激光雷达和相机的组的至少一个检测设备来检测。
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