According to the control system and method for the vehicle ceiling lamp, the brightness of the ceiling lamp can be adjusted according to the time length of the touch switch, and therefore different requirements of users for the light brightness are met. The control system of the vehicle top lamp comprises a whole vehicle integration unit, the top lamp and a switch, the switch is in communication connection with the whole vehicle integration unit, the top lamp is in communication connection with the whole vehicle integration unit, and the switch is used for detecting touch operation of a user and continuously generating a target level signal within the touch duration of the touch operation; a target level signal is sent to the whole vehicle integration unit; the whole vehicle integration unit is used for acquiring the duration of the target level signal, determining a first target duty ratio corresponding to the duration based on the corresponding relation between the duration and the target duty ratio, modulating and sending a first pulse width modulation signal with the first target duty ratio to the ceiling lamp; and the ceiling lamp is used for driving and lightening based on the first pulse width modulation signal.
本申请实施例提供了一种车辆顶灯的控制系统及方法,能够通过触摸开关的时间长短来调整顶灯的亮度,从而满足用户对于灯光亮度的不同需求。其中,车辆顶灯的控制系统包括:整车集成单元、顶灯以及开关,开关与整车集成单元通信连接,顶灯与整车集成单元通信连接,其中,开关,用于检测用户的触摸操作,在触摸操作的触摸时长内持续生成目标电平信号,并向整车集成单元发送目标电平信号;整车集成单元,用于获取目标电平信号的持续时长,并基于持续时长与目标占空比之间的对应关系,确定出持续时长所对应的第一目标占空比,调制并向顶灯发送具有第一目标占空比的第一脉冲宽度调制信号;顶灯,用于基于第一脉冲宽度调制信号进行驱动点亮。
Control system and method for vehicle ceiling lamp
一种车辆顶灯的控制系统及方法
2023-07-21
Patent
Electronic Resource
Chinese
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 |
Ceiling lamp control system and in-vehicle lighting system
European Patent Office | 2023
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