The invention discloses a system and a method for adjusting automobile instrument backlight. The system comprises an instrument master control MCU, an illumination sensor, a clock unit, a network communication unit, a dimming drive single-chip microcomputer and an LED drive array; the illumination sensor is in communication connection with the instrument master control MCU, and the clock unit is in interactive connection with the instrument master control MCU; the instrument master control MCU is in interactive connection with the dimming drive single-chip microcomputer and the network communication unit; and the LED drive array is connected with the dimming drive single-chip microcomputer. The instrument master control MUC is used as a core unit, exterior illuminance, the vehicle speed and calendar signals are acquired, the backlight brightness and chromaticity are dynamically adjusted according to different time, vehicle speed and illumination scenes to create different in-vehicle atmospheres, and the backlight brightness and color backlight which a driver likes can be manually switched to through external keys, and are stored to create a comfortable in-vehicle driving environment for the driver.

    本发明公开了一种汽车仪表背光调节系统及方法,包括仪表主控MCU、光照传感器、时钟单元、网络通讯单元、调光驱动单片机、LED驱动阵列;所述光照传感器与仪表主控MCU通信连接,所述时钟单元与仪表主控MCU交互式相连接;所述仪表主控MCU分别与调光驱动单片机、网络通讯单元进行交互式相连接;所述LED驱动陈列与调光驱动单片机相连接;本发明是以仪表主控MUC为核心单元,通过获取外部光照度,车速,及日历信号,并根据不同的时间,车速,光照场景,动态的调节背光的亮度及色度,烘托出不同的车内氛围,还可以通过外部按键人工切换到驾驶员喜欢的背光亮度、彩色背光存保存下来,营造驾驶员舒适的车内驾驶环境。


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    Title :

    System and method for adjusting automobile instrument backlight


    Additional title:

    一种汽车仪表背光调节系统及方法


    Contributors:
    ZHANG HAINING (author) / MA ZHIHUI (author) / GUAN LISONG (author) / LI HEGAO (author) / WU CHENGJIA (author) / LUO YANGYANG (author) / CAO DASHENG (author) / ZHANG FUWEN (author) / JIANG LE (author)

    Publication date :

    2020-04-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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