CN105927928B - 智能led路灯 - Google Patents

智能led路灯 Download PDF

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CN105927928B
CN105927928B CN201610330397.XA CN201610330397A CN105927928B CN 105927928 B CN105927928 B CN 105927928B CN 201610330397 A CN201610330397 A CN 201610330397A CN 105927928 B CN105927928 B CN 105927928B
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CN105927928A (zh
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朱小菊
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Jilin Wanhe Optoelectronics Group Co ltd
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Jilin Vanward Photoelectric Group Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00Lighting devices or systems producing a varying lighting effect
    • F21S10/02Lighting devices or systems producing a varying lighting effect changing colors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/08Lighting devices intended for fixed installation with a standard
    • F21S8/085Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0471Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
    • F21V23/0478Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person by means of an image recording device, e.g. a camera
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Led Device Packages (AREA)

Abstract

本发明提供一种智能LED路灯,包括灯杆、灯头;所述灯头包括共同朝向路面的主LED灯头及副LED灯头;所述灯杆的下部设有水平朝向公路侧的取景模块,所述取景模块与LED控制器、所述副LED灯头顺序耦合;所述LED控制器使所述副LED灯头发出与所述取景模块取到的图景的主色调相同的色光。该智能LED路灯可以在汽车经过路灯时,形成照明亮度和颜色的变化,从而在低能见度状况下为后方的车辆做出提醒。

Description

智能LED路灯
技术领域
本发明涉及照明领域,特别地,涉及一种LED路灯。
背景技术
对于目前的路灯,其照明亮度和颜色是固定不变的,在晴朗天气状况下,可以给路面提供良好的照明;然而,在大雾天气下,则夜间照明能力十分有限,很多情况下能见度仅有数十米,容易造成追尾事故。
发明内容
针对上述问题,本发明的目的在于提供一种智能LED路灯,该智能LED路灯可以在汽车经过路灯时,形成照明亮度和颜色的变化,从而在低能见度状况下为后方的车辆做出提醒。
本发明解决其技术问题所采用的技术方案是:该智能LED路灯包括灯杆、灯头;所述灯头包括共同朝向路面的主LED灯头及副LED灯头;所述灯杆的下部设有水平朝向公路侧的取景模块,所述取景模块与LED控制器、所述副LED灯头顺序耦合;所述LED控制器使所述副LED灯头发出与所述取景模块取到的图景的主色调相同的色光。
作为优选,所述取景模块包括摄像头、图像处理模块;所述图像处理模块对所述摄像头所摄取的实时图像中的各像素点的颜色值进行统计,并得出图像中各像素点的平均颜色值,使该平均颜色值作为所述主色调,并输出给所述LED控制器。
作为优选,所述取景模块包括三个以上颜色不同的滤光镜,各滤光镜仅允许与其颜色接近的色光通过;各所述滤光镜后方分别设有一个光电传感模块;各所述光电传感模块同时耦合至所述LED控制器;所述LED控制器将输出信号最强的所述光电传感模块所对应的滤光镜的颜色识别为所述主色调。
作为优选,所述取景模块包括顺序耦合的光电传感模块、交流放大模块、整流滤波模块,所述整流滤波模块耦合所述LED控制器,所述LED控制器使所述副LED灯头的照明亮度正比于所述整流滤波模块的输出电流。
作为优选,所述主LED灯头包括均匀分布的单色LED晶片;所述副LED灯头包括均匀分布的三色LED晶片;且所述单色LED晶片和三色LED晶片均匀分布于同一面板上,从而使所述副LED灯头产生的变色灯光均匀地糅合在主LED灯头的光照中。
本发明的有益效果在于:该智能LED路灯在浓雾状态下进行照明时,当汽车经过路灯灯杆时,由于车体离灯杆较近,车体颜色可被所述取景模块轻易获取,从而使所述副LED灯头向下投射与车体颜色基本一致的色光,则后方车辆即便透过浓雾看不见前方车辆,也可以从前方路灯形成的光影的明显变化而发觉前方车辆,从而了解车距,降低追尾风险。
附图说明
图1是本智能LED路灯的示意图。
图2是本智能LED路灯的电气结构的实施例一示意图。
图3是本智能LED路灯的电气结构的实施例二示意图。
图4是本智能LED路灯的电气结构的实施例三示意图。
具体实施方式
下面结合附图和实施例对本发明进一步说明:
如图1所示,该智能LED路灯包括灯杆1、灯头2;所述灯头2包括共同朝向路面的主LED灯头及副LED灯头;所述灯杆1的下部设有水平朝向公路侧的取景模块3。
所述取景模块3与LED控制器、所述副LED灯头顺序耦合;所述LED控制器使所述副LED灯头发出与所述取景模块取到的图景的主色调相同的色光。
对于本智能LED路灯的电气结构,其实施例一如图2所示,所述取景模块包括摄像头31、图像处理模块32;所述图像处理模块32对所述摄像头31所摄取的实时图像中的各像素点的颜色值进行统计,并得出图像中各像素点的平均颜色值,使该平均颜色值作为所述主色调,并输出给所述LED控制器4。这样,当汽车经过路灯灯杆1时,所述摄像头所摄取的图像基本上都被车体所占据,故而所述主色调与车体颜色基本相同。而且在浓雾状态下,汽车经过路灯灯杆1时,由于车体离灯杆1较近(一般在三米以内),车体颜色可被所述取景模块3轻易获取,从而使所述副LED灯头22向下投射与车体颜色基本一致的色光,则后方车辆即便透过浓雾看不见前方车辆,也可以从前方路灯形成的光影的明显变化而发觉前方车辆,从而了解车距,降低追尾风险。值得指出的是,当车体为黑色时,使所述副LED灯头22不发光,即等同于黑光,则整个灯头2形成的光影变暗,形成一团暗影,表面前方具有黑色汽车。
本智能LED路灯的电气结构的实施例二如图3所示,所述取景模块3包括多个并列的、颜色不同的滤光镜33、33‘、33“,各滤光镜为单色透明镜片,仅允许与其颜色接近的色光通过;各所述滤光镜33、33‘、33“后方分别设有光电传感模块34、34‘、34“;各所述光电传感模块同时耦合至所述LED控制器4;所述LED控制器4将输出信号最强的所述光电传感模块所对应的滤光镜的颜色识别为所述主色调。当各所述光电传感器的输出信号的差值小于设定值时,则所述主色调识别为黑色,所述副LED灯头22不发光。按照该方案,当单色汽车经过灯杆1时,与汽车颜色最接近的滤光镜后方的光强最大,从而与该滤光镜对应的光电传感模块的输出信号最强,从而可确定所述主色调。与实施例一相比,实施例二中的零件更为简单,硬件成本远比摄像头和图像处理模块便宜,并且响应速度更快。
本智能LED路灯的电气结构的实施例三如图4所示,其中,所述取景模块包括顺序耦合的光电传感模块34、交流放大模块35、整流滤波模块36,所述整流滤波模块36耦合所述LED控制器4,所述LED控制器4使所述副LED灯头22的照明亮度正比于所述整流滤波模块36的输出电流。按照实施例三,当取景模块前方有车辆经过时,则所述光电传感模块34的采光发生变化,形成一个波动输出,该波动输出被后续的所述交流放大模块35、整流滤波模块36整理后,形成直流电流,从而决定副LED灯头22的照明亮度。这里,无论经过灯杆的车体颜色如何,只要取景模块的取景图像发生变化,光电传感模块34均产生波动输出,具体地,当车体为深色时,则光电传感模块34的输出减弱,即形成一个下脉冲波,而车体颜色反射性能大于环境时,即车身较亮时,光电传感模块34的输出增强,形成上脉冲波;而无论下脉冲波或上脉冲波,均促使所述副LED灯头22的照明亮度发生变化,从而对后方车辆形成警示。实施例三相对于实施例二,其电路结构更为简洁,成本更低。
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,均应包含在本发明的保护范围之内。

Claims (3)

1.一种智能LED路灯,包括灯杆(1)、灯头(2);其特征在于:所述灯头(2)包括共同朝向路面的主LED灯头及副LED灯头;所述灯杆(1)的下部设有水平朝向公路侧的取景模块(3),所述取景模块(3)与LED控制器(4)、所述副LED灯头顺序耦合;所述LED控制器(4)使所述副LED灯头发出与所述取景模块(3)取到的图景的主色调相同的色光。
2.根据权利要求1所述的智能LED路灯,其特征在于:所述取景模块包括摄像头(31)、图像处理模块(32);所述图像处理模块(32)对所述摄像头(31)所摄取的实时图像中的各像素点的颜色值进行统计,并得出图像中各像素点的平均颜色值,使该平均颜色值作为所述主色调,并输出给所述LED控制器(4)。
3.根据权利要求1所述的智能LED路灯,其特征在于:所述取景模块(3)包括三个以上颜色不同的滤光镜(33、33‘、33“),各滤光镜仅允许与其颜色接近的色光通过;各所述滤光镜(33、33‘、33“)后方分别设有一个光电传感模块(34、34’、34”);各所述光电传感模块同时耦合至所述LED控制器(4);所述LED控制器(4)将输出信号最强的所述光电传感模块所对应的滤光镜的颜色识别为所述主色调。
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CN111853640B (zh) * 2019-09-23 2022-08-19 扬州恒润光电科技有限公司 一种具有智能调光功能的led路灯

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