CN104833367A - 车载投影系统 - Google Patents
车载投影系统 Download PDFInfo
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Abstract
本发明公开了一种车载投影系统,属于车辆技术领域。所述系统包括:传输模块、处理模块和激光显示装置,其中,传输模块用于接收导航数据;处理模块用于对所述导航数据进行处理,得到导航画面;激光显示装置用于将所述导航画面投射至车辆前方路面的指定位置上。本发明通过将车辆的导航画面通过激光显示方式投影至车辆前方路面,提高了可视性,保证了投影效果。
Description
技术领域
本发明涉及汽车电子领域,特别涉及一种车载投影系统。
背景技术
近些年来,随着汽车电子迅速发展,车载设备的功能越来越多,通过车载设备不仅能够实现影音功能,甚至还可以实现投影功能。例如,为了对车辆行驶进行直观的导航,现有技术提供了一种用于导航的车载投影方案,在该技术中,可以通过将车载设备所规划的导航画面投影至前挡风玻璃上,从而使得车辆驾驶员能够不用为了查看导航仪而降低视线,而是直视挡风玻璃即可,在一定程度上避免了由于视线转移而造成的危险。但是,在该种车载投影方案中,由于导航画面的载体是挡风玻璃,挡风玻璃的可视性很容易受到车内车外光线差异的影响,且由于其本身是透明质地,因此,在可视性上很不稳定,且画面的对比度低,投影效果比较差。
发明内容
为了解决现有技术的问题,本发明实施例提供了一种车载投影系统。所述技术方案如下:一种车载投影系统,所述系统包括:传输模块,用于接收导航数据;处理模块,用于对所述导航数据进行处理,得到导航画面;激光显示装置,用于将所述导航画面投射至车辆前方路面的指定位置上。
本发明实施例提供的技术方案带来的有益效果是:通过将车辆的导航画面通过激光显示方式投影至车辆前方路面,提高了可视性,保证了投影效果。
附图说明
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的一种车载投影系统的结构示意图;
图2A示出了从驾驶员位置看出去的投射效果;
图2B示出了俯视的投射效果;
图3是本发明实施例提供的又一种车载投影系统的结构示意图;
图4是本发明实施例提供的另一种车载投影系统的结构示意图;
图5A是本发明实施例提供的一种激光显示单元安装位置的示意图;
图5B是本发明实施例提供的另一种激光显示单元安装位置的示意图;
图6是本发明实施例提供的一种显示区域和视线区域的示意图;
图7是本发明实施例提供的再一种车载投影系统的结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明实施方式作进一步地详细描述。
图1是本发明实施例提供的一种车载投影系统的结构示意图。参见图1,该系统包括:传输模块101、处理模块102和激光显示装置103;
其中,传输模块101用于接收导航数据;处理模块102用于对该导航数据进行处理,得到导航画面;激光显示装置103用于将该导航画面投射至车辆前方路面的指定位置上。
如图2A所示,该图2A示出了从驾驶员位置看出去的投射效果。图2B示出了俯视的投射效果,其中,车前的显示区域即为导航画面的投影位置。
本发明实施例提供的车载投影系统,通过将车辆的导航画面通过激光显示方式投影至车辆前方路面,提高了可视性,保证了投影效果。
下面对各个组成部分的功能进行详细介绍:
传输模块101:
该传输模块101可以是收发器或传输接口。该传输模块101可以与其他设备建立连接,从而获取由其他设备提供的数据。如,该传输模块101可以通过与互联网上的导航服务器等建立连接,以通过3G、Wifi等传输方式接收由导航服务器发送的导航数据,或者,该传输模块101还可以与车辆内部的导航设备或数据收发设备建立连接,从而接收导航数据。该车辆内部的导航设备可以为导航仪,数据收发设备可以为车载终端等。
处理模块102:
该处理模块102可以根据对该导航数据进行处理,得到导航画面。其中,图像处理过程可以包括导航数据编解码以及画面显示参数调整等过程,在此不作赘述。
进一步地,该处理模块102用于调整导航画面的画面显示参数。所述画面显示参数包括色彩参数、亮度参数中的至少一项。
进一步地,在本发明提供的另一实施例中,该车载投影系统还可以包括探测模块104(如图3所示),该探测模块104用于对车辆的外界环境进行探测,并将探测到的环境参数发送至所述处理模块。其中,环境参数是指温度、湿度、亮度、前方障碍物信息等参数。相应地,探测模块104可以为用于探测上述任一种环境参数的传感器。
基于探测模块104所得到的环境参数,该处理模块102还可以用于根据所述环境参数,调整所述导航画面的画面显示参数。
例如,该探测模块104可以探测得到外界环境的亮度,如果外界环境的亮度较低,则处理模块102可以提高导航画面的亮度或将画面的色彩参数从黑白改为彩色,以使得后续投影所得到的画面对比度较大,可辨识度高。
又如,如果探测模块104探测得到外界环境的温度较高,较高的地表温度容易使得投影效果失真,因此,处理模块102可以调整导航画面的亮度,使得导航画面的失真度较小,不影响导航画面的视觉效果。
当然,上述调整均是为了保证投影效果,在实际场景中,可以设置自动调整模式,使得处理模块102能够实时根据探测模块104所获取到的环境参数对导航画面进行调整,以达到更好的投影效果。
需要说明的是,该探测模块104还可以基于激光显示装置103所发送的控制指令,进行环境参数的探测,并将探测得到的环境数据发送至处理模块102进行数据处理。
激光显示装置103:
参见图4,该激光显示装置103可以包括控制模块103A和至少一套激光显示单元103B,每个激光显示单元103B由激光器和透镜组组成;其中,所述控制模块103A用于根据用户指定的目标显示模式,调整所述至少一套激光显示单元103B的投影参数;所述至少一套激光显示单元103B用于根据所述控制模块103A的控制,将所述导航画面投射车辆前方路面的指定位置上。可选地,该激光显示单元103B的安装位置可以位于车辆的前车灯下面,如图5A所示。当然,该激光显示单元103B还可以与车辆的照明系统整合,如该激光显示单元可以集成于车辆的前车灯,具体安装方式可以为并排安装或嵌入式安装,本发明实施例对此不作限定,如图5B所示,该激光显示单元可以安装于前车灯内。
在本发明实施例中,目标显示模式可以是车载投影系统所提供的任一种模式。在车载投影系统中,可以通过接收用户的显示模式设置指令,将显示模式设置指令中所携带的显示模式获取为目标显示模式。例如,车载投影系统还可以包括设置界面,该设置界面上提供多个显示模式的选择,根据用户的选择,确定目标显示模式。该多个显示模式可以包括:强光模式(即投影对比度较大的模式)、夜晚模式(即外界环境亮度较低的模式)、基于不同投影位置的模式等等,本发明实施例在此不作限定。
其中,所述投影参数包括激光显示单元的角度参数、位置参数、亮度参数、投影焦距和色彩参数中至少一项。所述激光器为红绿蓝三色激光器或单色激光器。
例如,当用户在设置界面上选择了强光模式,则控制模块103A接收到该强光模式指令,可以调整激光显示单元的色彩参数,或关闭激光显示单元中的红绿蓝三色激光器并启动单色激光器,以使得激光投影可以从彩色变成单色,从而通过光源的干涉作用,形成干涉条纹,增加投影对比度,以便提供更清晰的投影画面。
又如,当用户在设置界面上选择了夜晚模式,则控制模块103A接收到该夜晚模式指令,在夜晚模式下,设置界面可以为用户提供多个色彩方案,以使得用户从中选择自己感兴趣的色彩方案,从而由控制模块103A控制激光显示单元进行投影。
再如,当用户在设置界面上选择调整模式时,可以认为用户想要设置导航画面的投影位置,该调整模式的选择可以是由用户调整座椅高度的操作触发的,由于不同高度用户的视线范围不同,如图6所示,为了保证不同高度用户均可以看到全部投影显示区域,需要将用户的视线区域与投影显示区域重合,因此,该调整模式可以提供投影位置的调整模式,如控制模块103A可以根据当前座椅高度的调整参数,估计该用户的视线范围,从而根据其视线范围,调整激光显示单元的角度参数、位置参数以及投影焦距等信息,从而保证不同高度的司机都可以看到全部投影区域,提高了投影系统的灵活性。其中,根据当前座椅高度的调整参数,估计该用户的视线范围,从而根据其视线范围,调整激光显示单元的角度参数、位置参数以及投影焦距等信息的过程可以通过预设估计算法实现,当然也可以通过查询预先保存在控制模块中的对应关系表实现,本发明实施例对此不做限定。
进一步地,在本发明提供的另一实施例中,该车载投影系统还可以包括:冷却模块105(如图7所示),用于对所述激光显示装置103进行冷却。该冷却模块105可以根据激光显示装置103中的控制模块103A的控制,对激光显示装置中的激光显示单元进行冷却,需要说明的是,该冷却模块105可以是单独存在的物理实体,如风扇等冷却设备,当然,该冷却模块105还可以通过车辆内部的水冷系统实现,或集成在车辆内部的水冷系统中。
上述所有可选技术方案,可以采用任意结合形成本公开的可选实施例,在此不再一一赘述。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成,也可以通过程序来指令相关的硬件完成,所述的程序可以存储于一种计算机可读存储介质中,上述提到的存储介质可以是只读存储器,磁盘或光盘等。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种车载投影系统,其特征在于,所述系统包括:
传输模块,用于接收导航数据;
处理模块,用于对所述导航数据进行处理,得到导航画面;
激光显示装置,用于将所述导航画面投射至车辆前方路面的指定位置上。
2.根据权利要求1所述的系统,其特征在于,所述处理模块用于调整所述导航画面的画面显示参数。
3.根据权利要求3所述的系统,其特征在于,所述画面显示参数包括色彩参数、亮度参数中的至少一项。
4.根据权利要求1所述的系统,其特征在于,所述系统还包括:
探测模块,用于对车辆的外界环境进行探测,并将探测到的环境参数发送至所述处理模块。
5.根据权利要求4所述的系统,其特征在于,所述处理模块还用于根据所述环境参数,调整所述导航画面的画面显示参数。
6.根据权利要求1所述的系统,其特征在于,所述激光显示装置包括:控制模块和至少一套激光显示单元,每个激光显示单元由激光器和透镜组组成;
其中,所述控制模块用于根据用户指定的目标显示模式,调整所述至少一套激光显示单元的投影参数;
所述至少一套激光显示单元,用于根据所述控制模块的控制,将所述导航画面投射车辆前方路面的指定位置上。
7.根据权利要求6所述的系统,其特征在于,所述投影参数包括激光显示单元的角度参数、位置参数、亮度参数、投影焦距和色彩参数中至少一项。
8.根据权利要求6所述的系统,其特征在于,所述激光器为红绿蓝三色激光器或单色激光器。
9.根据权利要求1所述的系统,其特征在于,所述导航数据为通过3G或蓝牙或Wifi传输的导航数据;或,所述导航数据为车辆系统车内导航仪的导航数据。
10.根据权利要求1所述的系统,其特征在于,所述系统还包括:
冷却模块,用于对所述激光显示装置进行冷却。
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CN115118951A (zh) * | 2022-06-06 | 2022-09-27 | 东软集团股份有限公司 | 数据投影方法、装置、存储介质及车辆 |
CN115052200B (zh) * | 2022-06-06 | 2023-09-29 | 中国第一汽车股份有限公司 | 一种新型车载视频投影方法、系统及车辆 |
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WO2016179980A1 (zh) | 2016-11-17 |
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EP3296696A1 (en) | 2018-03-21 |
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