自闭环车灯表面的电控变色膜光强调节系统及控制方法

• Format: Patent
• Language: Chinese
• Published: 22.08.2025
• Subjects: BLASTING; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS; LIGHTING; MECHANICAL ENGINEERING; NON-LINEAR OPTICS; NON-PORTABLE LIGHTING DEVICES; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

本发明公开了一种自闭环车灯表面的电控变色膜光强调节系统及控制方法，属于汽车照明技术领域。自闭环车灯表面的电控变色膜光强调节系统包括灯罩、摄像头模组、EC膜、EC驱动电路和图像处理模块；摄像头模组用于采集车辆外部环境和道路图像；图像处理模块用于根据摄像头模组采集的车辆外部环境和道路图像，计算摄像头模组的当前入射光强，根据摄像头模组的当前入射光强动态调节EC驱动电路的输出电压；EC膜用于在EC驱动电路的输出电压的作用下调整透光率。本发明提供一种自闭环车灯表面的电控变色膜光强调节系统及控制方法，实现了对摄像头模组入射光强的削弱，具有较高的空间集成度和超宽的透光率调节范围，提高了对瞬态光强的响应速度。